com.wallstop-studios.unity-helpers
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Treasure chest of Unity developer tools
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content="Production-ready Unity utilities: 10-15x faster PRNGs, O(log n) spatial queries, zero-allocation pooling, Odin-level inspector tooling, and data-driven effects."><meta name=author content="Wallstop Studios"><link href=https://wallstop.github.io/unity-helpers/features/effects/effects-system/ rel=canonical><link href=../../spatial/spatial-tree-semantics/ rel=prev><link href=../effects-system-tutorial/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.6.1, mkdocs-material-9.7.3"><title>Overview - Unity Helpers</title><link rel=stylesheet href=../../../assets/stylesheets/main.484c7ddc.min.css><link rel=stylesheet 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rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Inter:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Inter";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../../css/timeago.css><link rel=stylesheet href=../../../stylesheets/custom.css><script>__md_scope=new URL("../../..",location),__md_hash=e=>[...e].reduce(((e,_)=>(e<<5)-e+_.charCodeAt(0)),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script></head> <body dir=ltr data-md-color-scheme=slate data-md-color-primary=teal data-md-color-accent=deep-orange> <input class=md-toggle data-md-toggle=drawer type=checkbox id=__drawer autocomplete=off> <input class=md-toggle data-md-toggle=search type=checkbox id=__search autocomplete=off> <label 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class=md-header__topic> <span class=md-ellipsis> Unity Helpers </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> Overview </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media data-md-color-scheme=slate data-md-color-primary=teal data-md-color-accent=deep-orange aria-label="Switch to light mode" type=radio name=__palette id=__palette_0> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_1 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="m17.75 4.09-2.53 1.94.91 3.06-2.63-1.81-2.63 1.81.91-3.06-2.53-1.94L12.44 4l1.06-3 1.06 3zm3.5 6.91-1.64 1.25.59 1.98-1.7-1.17-1.7 1.17.59-1.98L15.75 11l2.06-.05L18.5 9l.69 1.95zm-2.28 4.95c.83-.08 1.72 1.1 1.19 1.85-.32.45-.66.87-1.08 1.27C15.17 23 8.84 23 4.94 19.07c-3.91-3.9-3.91-10.24 0-14.14.4-.4.82-.76 1.27-1.08.75-.53 1.93.36 1.85 1.19-.27 2.86.69 5.83 2.89 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md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_2_label aria-expanded=false> <label class=md-nav__title for=__nav_3_2> <span class="md-nav__icon md-icon"></span> Relational Components </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../relational-components/relational-components/ class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3_3> <label class=md-nav__link for=__nav_3_3 id=__nav_3_3_label tabindex> <span class=md-ellipsis> Spatial Data Structures </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_3_label aria-expanded=false> <label class=md-nav__title for=__nav_3_3> <span class="md-nav__icon md-icon"></span> Spatial Data Structures </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../spatial/spatial-trees-2d-guide/ class=md-nav__link> <span class=md-ellipsis> 2D Spatial Trees </span> </a> </li> <li class=md-nav__item> <a href=../../spatial/spatial-trees-3d-guide/ class=md-nav__link> <span class=md-ellipsis> 3D Spatial Trees </span> </a> </li> <li class=md-nav__item> <a href=../../spatial/hulls/ class=md-nav__link> <span class=md-ellipsis> Hull Algorithms </span> </a> </li> <li class=md-nav__item> <a href=../../spatial/spatial-tree-semantics/ class=md-nav__link> <span class=md-ellipsis> Spatial Tree Semantics </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_3_4 checked> <label class=md-nav__link for=__nav_3_4 id=__nav_3_4_label tabindex> <span class=md-ellipsis> Effects System </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_4_label aria-expanded=true> <label class=md-nav__title for=__nav_3_4> <span class="md-nav__icon md-icon"></span> Effects System </label> <ul class=md-nav__list data-md-scrollfix> <li class="md-nav__item md-nav__item--active"> <input class="md-nav__toggle md-toggle" type=checkbox id=__toc> <label class="md-nav__link md-nav__link--active" for=__toc> <span class=md-ellipsis> Overview </span> <span class="md-nav__icon md-icon"></span> </label> <a href=./ class="md-nav__link md-nav__link--active"> <span class=md-ellipsis> Overview </span> </a> <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> Table of contents </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#tldr-what-problem-this-solves class=md-nav__link> <span class=md-ellipsis> TL;DR — What Problem This Solves </span> </a> <nav class=md-nav aria-label="TL;DR — What Problem This Solves"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#data-driven-effect-authoring class=md-nav__link> <span class=md-ellipsis> Data-Driven Effect Authoring </span> </a> </li> <li class=md-nav__item> <a href=#visual-reference class=md-nav__link> <span class=md-ellipsis> Visual Reference </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#concepts class=md-nav__link> <span class=md-ellipsis> Concepts </span> </a> </li> <li class=md-nav__item> <a href=#how-it-works class=md-nav__link> <span class=md-ellipsis> How It Works </span> </a> </li> <li class=md-nav__item> <a href=#authoring-guide class=md-nav__link> <span class=md-ellipsis> Authoring Guide </span> </a> </li> <li class=md-nav__item> <a href=#understanding-attributes-what-to-model-and-what-to-avoid class=md-nav__link> <span class=md-ellipsis> Understanding Attributes: What to Model and What to Avoid </span> </a> <nav class=md-nav aria-label="Understanding Attributes: What to Model and What to Avoid"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#what-makes-a-good-attribute class=md-nav__link> <span class=md-ellipsis> What Makes a Good Attribute? </span> </a> </li> <li class=md-nav__item> <a href=#what-makes-a-poor-attribute class=md-nav__link> <span class=md-ellipsis> What Makes a Poor Attribute? </span> </a> </li> <li class=md-nav__item> <a href=#attribute-best-practices class=md-nav__link> <span class=md-ellipsis> Attribute Best Practices </span> </a> </li> <li class=md-nav__item> <a href=#why-this-matters class=md-nav__link> <span class=md-ellipsis> Why This Matters </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#using-tags-without-attributes class=md-nav__link> <span class=md-ellipsis> Using Tags WITHOUT Attributes </span> </a> <nav class=md-nav aria-label="Using Tags WITHOUT Attributes"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#when-to-use-tags-without-attributes class=md-nav__link> <span class=md-ellipsis> When to Use Tags Without Attributes </span> </a> </li> <li class=md-nav__item> <a href=#example-pure-tag-effects class=md-nav__link> <span class=md-ellipsis> Example: Pure Tag Effects </span> </a> </li> <li class=md-nav__item> <a href=#example-tag-lifetimes-for-cosmetics class=md-nav__link> <span class=md-ellipsis> Example: Tag Lifetimes for Cosmetics </span> </a> </li> <li class=md-nav__item> <a href=#benefits-of-tag-only-usage class=md-nav__link> <span class=md-ellipsis> Benefits of Tag-Only Usage </span> </a> </li> <li class=md-nav__item> <a href=#tag-only-patterns class=md-nav__link> <span class=md-ellipsis> Tag-Only Patterns </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#cosmetic-effects-complete-guide class=md-nav__link> <span class=md-ellipsis> Cosmetic Effects - Complete Guide </span> </a> <nav class=md-nav aria-label="Cosmetic Effects - Complete Guide"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#architecture-overview class=md-nav__link> <span class=md-ellipsis> Architecture Overview </span> </a> </li> <li class=md-nav__item> <a href=#creating-a-cosmetic-effect class=md-nav__link> <span class=md-ellipsis> Creating a Cosmetic Effect </span> </a> </li> <li class=md-nav__item> <a href=#step-1-create-a-prefab-with-cosmeticeffectdata class=md-nav__link> <span class=md-ellipsis> Step 1: Create a prefab with CosmeticEffectData </span> </a> </li> <li class=md-nav__item> <a href=#step-2-implement-cosmeticeffectcomponent-subclasses class=md-nav__link> <span class=md-ellipsis> Step 2: Implement CosmeticEffectComponent subclasses </span> </a> </li> <li class=md-nav__item> <a href=#requiresinstance-shared-vs-instanced class=md-nav__link> <span class=md-ellipsis> RequiresInstance: Shared vs Instanced </span> </a> </li> <li class=md-nav__item> <a href=#cleansupself-automatic-vs-manual-cleanup class=md-nav__link> <span class=md-ellipsis> CleansUpSelf: Automatic vs Manual Cleanup </span> </a> </li> <li class=md-nav__item> <a href=#complete-cosmetic-examples class=md-nav__link> <span class=md-ellipsis> Complete Cosmetic Examples </span> </a> </li> <li class=md-nav__item> <a href=#combining-multiple-cosmetics class=md-nav__link> <span class=md-ellipsis> Combining Multiple Cosmetics </span> </a> </li> <li class=md-nav__item> <a href=#cosmetic-lifecycle class=md-nav__link> <span class=md-ellipsis> Cosmetic Lifecycle </span> </a> </li> <li class=md-nav__item> <a href=#best-practices class=md-nav__link> <span class=md-ellipsis> Best Practices </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#recipes class=md-nav__link> <span class=md-ellipsis> Recipes </span> </a> <nav class=md-nav aria-label=Recipes> <ul class=md-nav__list> <li class=md-nav__item> <a href=#1-buff-with-speed-for-5s-refreshable class=md-nav__link> <span class=md-ellipsis> 1) Buff with % Speed for 5s (refreshable) </span> </a> </li> <li class=md-nav__item> <a href=#2-poison-poisoned-tag-10s-with-periodic-damage class=md-nav__link> <span class=md-ellipsis> 2) Poison: "Poisoned" tag 10s with periodic damage </span> </a> </li> <li class=md-nav__item> <a href=#3-equipment-aura-10-defense-while-equipped class=md-nav__link> <span class=md-ellipsis> 3) Equipment Aura: +10 Defense while equipped </span> </a> </li> <li class=md-nav__item> <a href=#4-oneoff-permanent-bonus class=md-nav__link> <span class=md-ellipsis> 4) One‑off Permanent Bonus </span> </a> </li> <li class=md-nav__item> <a href=#5-stacking-multiple-instances class=md-nav__link> <span class=md-ellipsis> 5) Stacking Multiple Instances </span> </a> </li> <li class=md-nav__item> <a href=#6-shared-vs-instanced-cosmetics class=md-nav__link> <span class=md-ellipsis> 6) Shared vs. Instanced Cosmetics </span> </a> </li> <li class=md-nav__item> <a href=#periodic-tick-payloads class=md-nav__link> <span class=md-ellipsis> Periodic Tick Payloads </span> </a> </li> <li class=md-nav__item> <a href=#effect-behaviours class=md-nav__link> <span class=md-ellipsis> Effect Behaviours </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#best-practices_1 class=md-nav__link> <span class=md-ellipsis> Best Practices </span> </a> <nav class=md-nav aria-label="Best Practices"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#type-safe-effect-references-with-enums class=md-nav__link> <span class=md-ellipsis> Type-Safe Effect References with Enums </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#api-reference class=md-nav__link> <span class=md-ellipsis> API Reference </span> </a> <nav class=md-nav aria-label="API Reference"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#attributeeffect-query-methods class=md-nav__link> <span class=md-ellipsis> AttributeEffect Query Methods </span> </a> </li> <li class=md-nav__item> <a href=#taghandler-query-methods class=md-nav__link> <span class=md-ellipsis> TagHandler Query Methods </span> </a> </li> <li class=md-nav__item> <a href=#effecthandler-query-methods class=md-nav__link> <span class=md-ellipsis> EffectHandler Query Methods </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#faq class=md-nav__link> <span class=md-ellipsis> FAQ </span> </a> </li> <li class=md-nav__item> <a href=#troubleshooting class=md-nav__link> <span class=md-ellipsis> Troubleshooting </span> </a> </li> <li class=md-nav__item> <a href=#advanced-scenarios-beyond-buffs-and-debuffs class=md-nav__link> <span class=md-ellipsis> Advanced Scenarios: Beyond Buffs and Debuffs </span> </a> <nav class=md-nav aria-label="Advanced Scenarios: Beyond Buffs and Debuffs"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#understanding-the-capability-pattern class=md-nav__link> <span class=md-ellipsis> Understanding the Capability Pattern </span> </a> </li> <li class=md-nav__item> <a href=#when-to-use-this-pattern class=md-nav__link> <span class=md-ellipsis> When to Use This Pattern </span> </a> </li> <li class=md-nav__item> <a href=#pattern-1-invulnerability-system class=md-nav__link> <span class=md-ellipsis> Pattern 1: Invulnerability System </span> </a> </li> <li class=md-nav__item> <a href=#pattern-2-complex-ai-decision-making class=md-nav__link> <span class=md-ellipsis> Pattern 2: Complex AI Decision-Making </span> </a> </li> <li class=md-nav__item> <a href=#pattern-3-permission-and-unlock-systems class=md-nav__link> <span class=md-ellipsis> Pattern 3: Permission and Unlock Systems </span> </a> </li> <li class=md-nav__item> <a href=#pattern-4-elemental-interaction-systems class=md-nav__link> <span class=md-ellipsis> Pattern 4: Elemental Interaction Systems </span> </a> </li> <li class=md-nav__item> <a href=#pattern-5-state-machine-replacement class=md-nav__link> <span class=md-ellipsis> Pattern 5: State Machine Replacement </span> </a> </li> <li class=md-nav__item> <a href=#pattern-6-debugging-and-cheat-codes class=md-nav__link> <span class=md-ellipsis> Pattern 6: Debugging and Cheat Codes </span> </a> </li> <li class=md-nav__item> <a href=#comparison-to-other-approaches class=md-nav__link> <span class=md-ellipsis> Comparison to Other Approaches </span> </a> </li> <li class=md-nav__item> <a href=#best-practices-for-capability-systems class=md-nav__link> <span class=md-ellipsis> Best Practices for Capability Systems </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#performance-notes class=md-nav__link> <span class=md-ellipsis> Performance Notes </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../effects-system-tutorial/ class=md-nav__link> <span class=md-ellipsis> Tutorial </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3_5> <label class=md-nav__link for=__nav_3_5 id=__nav_3_5_label tabindex> <span class=md-ellipsis> Serialization </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_5_label aria-expanded=false> <label class=md-nav__title for=__nav_3_5> <span class="md-nav__icon md-icon"></span> Serialization </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../serialization/serialization/ class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> <li class=md-nav__item> <a href=../../serialization/serialization-types/ class=md-nav__link> <span class=md-ellipsis> Serializable Types </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3_6> <label class=md-nav__link for=__nav_3_6 id=__nav_3_6_label tabindex> <span class=md-ellipsis> Utilities </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_6_label aria-expanded=false> <label class=md-nav__title for=__nav_3_6> <span class="md-nav__icon md-icon"></span> Utilities </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../utilities/math-and-extensions/ class=md-nav__link> <span class=md-ellipsis> Math & Extensions </span> </a> </li> <li class=md-nav__item> <a href=../../utilities/data-structures/ class=md-nav__link> <span class=md-ellipsis> Data Structures </span> </a> </li> <li class=md-nav__item> <a href=../../utilities/random-generators/ class=md-nav__link> <span class=md-ellipsis> Random Generators </span> </a> </li> <li class=md-nav__item> <a href=../../utilities/singletons/ class=md-nav__link> <span class=md-ellipsis> Singletons </span> </a> </li> <li class=md-nav__item> <a href=../../utilities/reflection-helpers/ class=md-nav__link> <span class=md-ellipsis> Reflection Helpers </span> </a> </li> <li class=md-nav__item> <a href=../../utilities/helper-utilities/ class=md-nav__link> <span class=md-ellipsis> Helper Utilities </span> </a> </li> <li class=md-nav__item> <a href=../../utilities/pooling-guide/ class=md-nav__link> <span class=md-ellipsis> Pooling Guide </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3_7> <label class=md-nav__link for=__nav_3_7 id=__nav_3_7_label tabindex> <span class=md-ellipsis> Logging </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_7_label aria-expanded=false> <label class=md-nav__title for=__nav_3_7> <span class="md-nav__icon md-icon"></span> Logging </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../logging/logging-extensions/ class=md-nav__link> <span class=md-ellipsis> Logging Extensions </span> </a> </li> <li class=md-nav__item> <a href=../../logging/unity-main-thread-dispatcher/ class=md-nav__link> <span class=md-ellipsis> Main Thread Dispatcher </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3_8> <label class=md-nav__link for=__nav_3_8 id=__nav_3_8_label tabindex> <span class=md-ellipsis> Editor Tools </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_8_label aria-expanded=false> <label class=md-nav__title for=__nav_3_8> <span class="md-nav__icon md-icon"></span> Editor Tools </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../editor-tools/editor-tools-guide/ class=md-nav__link> <span class=md-ellipsis> Tools Guide </span> </a> </li> <li class=md-nav__item> <a href=../../editor-tools/unity-method-analyzer/ class=md-nav__link> <span class=md-ellipsis> Unity Method Analyzer </span> </a> </li> <li class=md-nav__item> <a href=../../editor-tools/asset-change-detection/ class=md-nav__link> <span class=md-ellipsis> Asset Change Detection </span> </a> </li> <li class=md-nav__item> <a href=../../editor-tools/failed-tests-exporter/ class=md-nav__link> <span class=md-ellipsis> Failed Tests Exporter </span> </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4> <label class=md-nav__link for=__nav_4 id=__nav_4_label tabindex=0> <span class=md-ellipsis> Performance </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_4_label aria-expanded=false> <label class=md-nav__title for=__nav_4> <span class="md-nav__icon md-icon"></span> Performance </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../performance/random-performance/ class=md-nav__link> <span class=md-ellipsis> Random Generators </span> </a> </li> <li class=md-nav__item> <a href=../../../performance/spatial-tree-2d-performance/ class=md-nav__link> <span class=md-ellipsis> Spatial Trees 2D </span> </a> </li> <li class=md-nav__item> <a href=../../../performance/spatial-tree-3d-performance/ class=md-nav__link> <span class=md-ellipsis> Spatial Trees 3D </span> </a> </li> <li class=md-nav__item> <a href=../../../performance/relational-components-performance/ class=md-nav__link> <span class=md-ellipsis> Relational Components </span> </a> </li> <li class=md-nav__item> <a href=../../../performance/reflection-performance/ class=md-nav__link> <span class=md-ellipsis> Reflection Helpers </span> </a> </li> <li class=md-nav__item> <a href=../../../performance/ilist-sorting-performance/ class=md-nav__link> <span class=md-ellipsis> IList Sorting </span> </a> </li> <li class=md-nav__item> <a href=../../../performance/baseline-tests-performance/ class=md-nav__link> <span class=md-ellipsis> Baseline Tests </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_5> <label class=md-nav__link for=__nav_5 id=__nav_5_label tabindex=0> <span class=md-ellipsis> Guides </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_5_label aria-expanded=false> <label class=md-nav__title for=__nav_5> <span class="md-nav__icon md-icon"></span> Guides </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../guides/odin-migration-guide/ class=md-nav__link> <span class=md-ellipsis> Odin Migration </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_6> <label class=md-nav__link for=__nav_6 id=__nav_6_label tabindex=0> <span class=md-ellipsis> Contributing </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_6_label aria-expanded=false> <label class=md-nav__title for=__nav_6> <span class="md-nav__icon md-icon"></span> Contributing </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../project/contributing/ class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> <li class=md-nav__item> <a href=../../../contributing/testing-patterns/ class=md-nav__link> <span class=md-ellipsis> Testing Patterns </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_7> <label class=md-nav__link for=__nav_7 id=__nav_7_label tabindex=0> <span class=md-ellipsis> Project </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_7_label aria-expanded=false> 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class=md-path__item> <a href=./ class=md-path__link> <span class=md-ellipsis> Effects System </span> </a> </li> </ol> </nav> <article class="md-content__inner md-typeset"> <a href=https://github.com/wallstop/unity-helpers/edit/main/docs/features/effects/effects-system.md title="Edit this page" class="md-content__button md-icon" rel=edit> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75z"/></svg> </a> <a href=https://github.com/wallstop/unity-helpers/raw/main/docs/features/effects/effects-system.md title="View source of this page" class="md-content__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 9a3 3 0 0 0-3 3 3 3 0 0 0 3 3 3 3 0 0 0 3-3 3 3 0 0 0-3-3m0 8a5 5 0 0 1-5-5 5 5 0 0 1 5-5 5 5 0 0 1 5 5 5 5 0 0 1-5 5m0-12.5C7 4.5 2.73 7.61 1 12c1.73 4.39 6 7.5 11 7.5s9.27-3.11 11-7.5c-1.73-4.39-6-7.5-11-7.5"/></svg> </a> <h1 id=effects-attributes-and-tags-deep-dive>Effects, Attributes, and Tags — Deep Dive<a class=headerlink href=#effects-attributes-and-tags-deep-dive title="Permanent link">¶</a></h1> <h2 id=tldr-what-problem-this-solves>TL;DR — What Problem This Solves<a class=headerlink href=#tldr-what-problem-this-solves title="Permanent link">¶</a></h2> <ul> <li><strong>⭐ Build buff/debuff systems without writing custom code for every effect.</strong></li> <li>Data‑driven ScriptableObjects: designers create 100s of effects, programmers build the system once.</li> <li><strong>Reduces boilerplate with data-driven effect definitions; designers can iterate without code changes.</strong></li> <li><strong>Note:</strong> Attributes are optional - use the system purely for tag-based state management and timed cosmetic effects.</li> </ul> <h3 id=data-driven-effect-authoring>Data-Driven Effect Authoring<a class=headerlink href=#data-driven-effect-authoring title="Permanent link">¶</a></h3> <p><strong>The Problem - Hardcoded Effects:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-0-1> 1</a></span>
<span class=normal><a href=#__codelineno-0-2> 2</a></span>
<span class=normal><a href=#__codelineno-0-3> 3</a></span>
<span class=normal><a href=#__codelineno-0-4> 4</a></span>
<span class=normal><a href=#__codelineno-0-5> 5</a></span>
<span class=normal><a href=#__codelineno-0-6> 6</a></span>
<span class=normal><a href=#__codelineno-0-7> 7</a></span>
<span class=normal><a href=#__codelineno-0-8> 8</a></span>
<span class=normal><a href=#__codelineno-0-9> 9</a></span>
<span class=normal><a href=#__codelineno-0-10>10</a></span>
<span class=normal><a href=#__codelineno-0-11>11</a></span>
<span class=normal><a href=#__codelineno-0-12>12</a></span>
<span class=normal><a href=#__codelineno-0-13>13</a></span>
<span class=normal><a href=#__codelineno-0-14>14</a></span>
<span class=normal><a href=#__codelineno-0-15>15</a></span>
<span class=normal><a href=#__codelineno-0-16>16</a></span>
<span class=normal><a href=#__codelineno-0-17>17</a></span>
<span class=normal><a href=#__codelineno-0-18>18</a></span>
<span class=normal><a href=#__codelineno-0-19>19</a></span>
<span class=normal><a href=#__codelineno-0-20>20</a></span>
<span class=normal><a href=#__codelineno-0-21>21</a></span>
<span class=normal><a href=#__codelineno-0-22>22</a></span>
<span class=normal><a href=#__codelineno-0-23>23</a></span>
<span class=normal><a href=#__codelineno-0-24>24</a></span>
<span class=normal><a href=#__codelineno-0-25>25</a></span>
<span class=normal><a href=#__codelineno-0-26>26</a></span>
<span class=normal><a href=#__codelineno-0-27>27</a></span>
<span class=normal><a href=#__codelineno-0-28>28</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-0-1><a id=__codelineno-0-1 name=__codelineno-0-1></a><span class=c1>// Every buff needs its own custom MonoBehaviour:</span>
</span><span id=__span-0-2><a id=__codelineno-0-2 name=__codelineno-0-2></a>
</span><span id=__span-0-3><a id=__codelineno-0-3 name=__codelineno-0-3></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>HasteEffect</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-0-4><a id=__codelineno-0-4 name=__codelineno-0-4></a><span class=p>{</span>
</span><span id=__span-0-5><a id=__codelineno-0-5 name=__codelineno-0-5></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>duration</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>5f</span><span class=p>;</span>
</span><span id=__span-0-6><a id=__codelineno-0-6 name=__codelineno-0-6></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>originalSpeed</span><span class=p>;</span>
</span><span id=__span-0-7><a id=__codelineno-0-7 name=__codelineno-0-7></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>PlayerStats</span><span class=w> </span><span class=n>player</span><span class=p>;</span>
</span><span id=__span-0-8><a id=__codelineno-0-8 name=__codelineno-0-8></a>
</span><span id=__span-0-9><a id=__codelineno-0-9 name=__codelineno-0-9></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Start</span><span class=p>()</span>
</span><span id=__span-0-10><a id=__codelineno-0-10 name=__codelineno-0-10></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-0-11><a id=__codelineno-0-11 name=__codelineno-0-11></a><span class=w> </span><span class=n>player</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>GetComponent</span><span class=o><</span><span class=n>PlayerStats</span><span class=o>></span><span class=p>();</span>
</span><span id=__span-0-12><a id=__codelineno-0-12 name=__codelineno-0-12></a><span class=w> </span><span class=n>originalSpeed</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>speed</span><span class=p>;</span>
</span><span id=__span-0-13><a id=__codelineno-0-13 name=__codelineno-0-13></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>speed</span><span class=w> </span><span class=o>*=</span><span class=w> </span><span class=mf>1.5f</span><span class=p>;</span><span class=w> </span><span class=c1>// Apply speed boost</span>
</span><span id=__span-0-14><a id=__codelineno-0-14 name=__codelineno-0-14></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-0-15><a id=__codelineno-0-15 name=__codelineno-0-15></a>
</span><span id=__span-0-16><a id=__codelineno-0-16 name=__codelineno-0-16></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-0-17><a id=__codelineno-0-17 name=__codelineno-0-17></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-0-18><a id=__codelineno-0-18 name=__codelineno-0-18></a><span class=w> </span><span class=n>duration</span><span class=w> </span><span class=o>-=</span><span class=w> </span><span class=n>Time</span><span class=p>.</span><span class=n>deltaTime</span><span class=p>;</span>
</span><span id=__span-0-19><a id=__codelineno-0-19 name=__codelineno-0-19></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>duration</span><span class=w> </span><span class=o><=</span><span class=w> </span><span class=mi>0</span><span class=p>)</span>
</span><span id=__span-0-20><a id=__codelineno-0-20 name=__codelineno-0-20></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-0-21><a id=__codelineno-0-21 name=__codelineno-0-21></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>speed</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>originalSpeed</span><span class=p>;</span><span class=w> </span><span class=c1>// Restore</span>
</span><span id=__span-0-22><a id=__codelineno-0-22 name=__codelineno-0-22></a><span class=w> </span><span class=n>Destroy</span><span class=p>(</span><span class=k>this</span><span class=p>);</span>
</span><span id=__span-0-23><a id=__codelineno-0-23 name=__codelineno-0-23></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-0-24><a id=__codelineno-0-24 name=__codelineno-0-24></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-0-25><a id=__codelineno-0-25 name=__codelineno-0-25></a><span class=p>}</span>
</span><span id=__span-0-26><a id=__codelineno-0-26 name=__codelineno-0-26></a>
</span><span id=__span-0-27><a id=__codelineno-0-27 name=__codelineno-0-27></a><span class=c1>// 20 effects × 50 lines each = 1000 lines of repetitive code</span>
</span><span id=__span-0-28><a id=__codelineno-0-28 name=__codelineno-0-28></a><span class=c1>// Designers can't create effects without programmer</span>
</span></code></pre></div></td></tr></table></div> <p><strong>The Solution - Data-Driven:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-1-1> 1</a></span>
<span class=normal><a href=#__codelineno-1-2> 2</a></span>
<span class=normal><a href=#__codelineno-1-3> 3</a></span>
<span class=normal><a href=#__codelineno-1-4> 4</a></span>
<span class=normal><a href=#__codelineno-1-5> 5</a></span>
<span class=normal><a href=#__codelineno-1-6> 6</a></span>
<span class=normal><a href=#__codelineno-1-7> 7</a></span>
<span class=normal><a href=#__codelineno-1-8> 8</a></span>
<span class=normal><a href=#__codelineno-1-9> 9</a></span>
<span class=normal><a href=#__codelineno-1-10>10</a></span>
<span class=normal><a href=#__codelineno-1-11>11</a></span>
<span class=normal><a href=#__codelineno-1-12>12</a></span>
<span class=normal><a href=#__codelineno-1-13>13</a></span>
<span class=normal><a href=#__codelineno-1-14>14</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-1-1><a id=__codelineno-1-1 name=__codelineno-1-1></a><span class=c1>// Programmers build system once (Unity Helpers provides this):</span>
</span><span id=__span-1-2><a id=__codelineno-1-2 name=__codelineno-1-2></a><span class=c1>// - AttributesComponent base class</span>
</span><span id=__span-1-3><a id=__codelineno-1-3 name=__codelineno-1-3></a><span class=c1>// - EffectHandler manages application/removal</span>
</span><span id=__span-1-4><a id=__codelineno-1-4 name=__codelineno-1-4></a><span class=c1>// - ScriptableObject authoring</span>
</span><span id=__span-1-5><a id=__codelineno-1-5 name=__codelineno-1-5></a>
</span><span id=__span-1-6><a id=__codelineno-1-6 name=__codelineno-1-6></a><span class=c1>// Designers create effects in Editor (NO CODE):</span>
</span><span id=__span-1-7><a id=__codelineno-1-7 name=__codelineno-1-7></a><span class=c1>// 1. Right-click → Create → Attribute Effect</span>
</span><span id=__span-1-8><a id=__codelineno-1-8 name=__codelineno-1-8></a><span class=c1>// 2. Name: "Haste"</span>
</span><span id=__span-1-9><a id=__codelineno-1-9 name=__codelineno-1-9></a><span class=c1>// 3. Add modification: Speed × 1.5</span>
</span><span id=__span-1-10><a id=__codelineno-1-10 name=__codelineno-1-10></a><span class=c1>// 4. Duration: 5 seconds</span>
</span><span id=__span-1-11><a id=__codelineno-1-11 name=__codelineno-1-11></a><span class=c1>// 5. Done!</span>
</span><span id=__span-1-12><a id=__codelineno-1-12 name=__codelineno-1-12></a>
</span><span id=__span-1-13><a id=__codelineno-1-13 name=__codelineno-1-13></a><span class=c1>// Apply at runtime (one line):</span>
</span><span id=__span-1-14><a id=__codelineno-1-14 name=__codelineno-1-14></a><span class=n>target</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>hasteEffect</span><span class=p>);</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Designer Workflow:</strong></p> <ol> <li>Create the effect asset in the editor (no code)</li> <li>Test in-game immediately</li> <li>Tweak values and iterate freely</li> <li>Create variations (Haste II, Haste III) by duplicating assets</li> </ol> <p><strong>Impact:</strong></p> <ul> <li><strong>Reduced boilerplate</strong>: Centralizes effect logic in a reusable system</li> <li><strong>Designer workflow</strong>: Create and modify effects without code changes</li> <li><strong>Faster iteration</strong>: Adjust values without recompiling</li> <li><strong>Maintainability</strong>: All effects in one system vs. scattered scripts</li> </ul> <p>Data‑driven gameplay effects that modify stats, apply tags, and drive cosmetic presentation.</p> <p>This guide explains the concepts, how they work together, authoring patterns, recipes, best practices, and FAQs.</p> <h3 id=visual-reference>Visual Reference<a class=headerlink href=#visual-reference title="Permanent link">¶</a></h3> <p><img alt="Effects Pipeline" src=../../../images/effects/effects-pipeline.svg></p> <p><img alt="Attribute Resolution" src=../../../images/effects/attribute-resolution.svg></p> <h2 id=concepts>Concepts<a class=headerlink href=#concepts title="Permanent link">¶</a></h2> <ul> <li><code>Attribute</code> — A dynamic numeric value with a base and a calculated current value. Current value applies all active modifications.</li> <li><code>AttributeModification</code> — Declarative change to an <code>Attribute</code>. Actions: Addition, Multiplication, Override. Applied in that order.</li> <li><code>AttributeEffect</code> — ScriptableObject asset bundling modifications, tags, cosmetic data, duration policy, periodic tick schedules, and optional runtime behaviours.</li> <li><code>EffectHandle</code> — Opaque identifier for a specific application instance (for Duration/Infinite effects). Used to remove one stack.</li> <li><code>AttributesComponent</code> — Base MonoBehaviour exposing modifiable <code>Attribute</code> fields (e.g., Health, Speed) on your character.</li> <li><code>EffectHandler</code> — Component that applies/removes effects, tracks durations, forwards modifications to <code>AttributesComponent</code>, applies tags and cosmetics.</li> <li><code>TagHandler</code> — Counts and queries string tags for gating gameplay (e.g., "Stunned"). Removes tags only when all sources are gone.</li> <li><code>CosmeticEffectData</code> — Prefab‑like container with <code>CosmeticEffectComponent</code> behaviours; reused or instanced per effect application.</li> </ul> <h2 id=how-it-works>How It Works<a class=headerlink href=#how-it-works title="Permanent link">¶</a></h2> <ol> <li>You author an <code>AttributeEffect</code> with modifications, tags, cosmetics, and duration.</li> <li>You apply it to a GameObject: <code>EffectHandle? handle = target.ApplyEffect(effect);</code></li> <li><code>EffectHandler</code> will:</li> <li>Create an <code>EffectHandle</code> (for Duration/Infinite) and track expiration</li> <li>Apply tags via <code>TagHandler</code> (counted; multiple sources safe)</li> <li>Apply cosmetic behaviours (<code>CosmeticEffectData</code>)</li> <li>Forward <code>AttributeModification</code>s to all <code>AttributesComponent</code>s on the GameObject</li> <li>On removal (manual or expiration), all of the above are cleanly reversed.</li> </ol> <p>Instant effects modify base values permanently and return <code>null</code> instead of a handle.</p> <h2 id=authoring-guide>Authoring Guide<a class=headerlink href=#authoring-guide title="Permanent link">¶</a></h2> <ol> <li>Define stats:</li> </ol> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-2-1>1</a></span>
<span class=normal><a href=#__codelineno-2-2>2</a></span>
<span class=normal><a href=#__codelineno-2-3>3</a></span>
<span class=normal><a href=#__codelineno-2-4>4</a></span>
<span class=normal><a href=#__codelineno-2-5>5</a></span>
<span class=normal><a href=#__codelineno-2-6>6</a></span>
<span class=normal><a href=#__codelineno-2-7>7</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-2-1><a id=__codelineno-2-1 name=__codelineno-2-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>CharacterStats</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>AttributesComponent</span>
</span><span id=__span-2-2><a id=__codelineno-2-2 name=__codelineno-2-2></a><span class=p>{</span>
</span><span id=__span-2-3><a id=__codelineno-2-3 name=__codelineno-2-3></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>Attribute</span><span class=w> </span><span class=n>MaxHealth</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>100f</span><span class=p>;</span>
</span><span id=__span-2-4><a id=__codelineno-2-4 name=__codelineno-2-4></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>Attribute</span><span class=w> </span><span class=n>Speed</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>5f</span><span class=p>;</span>
</span><span id=__span-2-5><a id=__codelineno-2-5 name=__codelineno-2-5></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>Attribute</span><span class=w> </span><span class=n>AttackDamage</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>10f</span><span class=p>;</span>
</span><span id=__span-2-6><a id=__codelineno-2-6 name=__codelineno-2-6></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>Attribute</span><span class=w> </span><span class=n>Defense</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>10f</span><span class=p>;</span>
</span><span id=__span-2-7><a id=__codelineno-2-7 name=__codelineno-2-7></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <ol> <li>Create an <code>AttributeEffect</code> asset (Project view → Create → Wallstop Studios → Unity Helpers → Attribute Effect):</li> <li>modifications: e.g., <code>{ attribute: "Speed", action: Multiplication, value: 1.5f }</code></li> <li>durationType: <code>Duration</code> with <code>duration = 5</code></li> <li>resetDurationOnReapplication: true to refresh timer on re-apply</li> <li>effectTags: e.g., <code>[ "Haste" ]</code></li> <li> <p>cosmeticEffects: prefab with <code>CosmeticEffectData</code> + <code>CosmeticEffectComponent</code> scripts</p> </li> <li> <p>Apply/remove at runtime:</p> </li> </ol> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-3-1>1</a></span>
<span class=normal><a href=#__codelineno-3-2>2</a></span>
<span class=normal><a href=#__codelineno-3-3>3</a></span>
<span class=normal><a href=#__codelineno-3-4>4</a></span>
<span class=normal><a href=#__codelineno-3-5>5</a></span>
<span class=normal><a href=#__codelineno-3-6>6</a></span>
<span class=normal><a href=#__codelineno-3-7>7</a></span>
<span class=normal><a href=#__codelineno-3-8>8</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-3-1><a id=__codelineno-3-1 name=__codelineno-3-1></a><span class=n>GameObject</span><span class=w> </span><span class=n>player</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=p>...;</span>
</span><span id=__span-3-2><a id=__codelineno-3-2 name=__codelineno-3-2></a><span class=n>AttributeEffect</span><span class=w> </span><span class=n>haste</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=p>...;</span><span class=w> </span><span class=c1>// ScriptableObject reference</span>
</span><span id=__span-3-3><a id=__codelineno-3-3 name=__codelineno-3-3></a><span class=n>EffectHandle</span><span class=o>?</span><span class=w> </span><span class=n>handle</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>haste</span><span class=p>);</span>
</span><span id=__span-3-4><a id=__codelineno-3-4 name=__codelineno-3-4></a><span class=c1>// ... later ...</span>
</span><span id=__span-3-5><a id=__codelineno-3-5 name=__codelineno-3-5></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>handle</span><span class=p>.</span><span class=n>HasValue</span><span class=p>)</span>
</span><span id=__span-3-6><a id=__codelineno-3-6 name=__codelineno-3-6></a><span class=p>{</span>
</span><span id=__span-3-7><a id=__codelineno-3-7 name=__codelineno-3-7></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>RemoveEffect</span><span class=p>(</span><span class=n>handle</span><span class=p>.</span><span class=n>Value</span><span class=p>);</span>
</span><span id=__span-3-8><a id=__codelineno-3-8 name=__codelineno-3-8></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <ol> <li>Query tags anywhere:</li> </ol> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-4-1>1</a></span>
<span class=normal><a href=#__codelineno-4-2>2</a></span>
<span class=normal><a href=#__codelineno-4-3>3</a></span>
<span class=normal><a href=#__codelineno-4-4>4</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-4-1><a id=__codelineno-4-1 name=__codelineno-4-1></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Stunned"</span><span class=p>))</span>
</span><span id=__span-4-2><a id=__codelineno-4-2 name=__codelineno-4-2></a><span class=p>{</span>
</span><span id=__span-4-3><a id=__codelineno-4-3 name=__codelineno-4-3></a><span class=w> </span><span class=c1>// Disable input, play animation, etc.</span>
</span><span id=__span-4-4><a id=__codelineno-4-4 name=__codelineno-4-4></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h2 id=understanding-attributes-what-to-model-and-what-to-avoid>Understanding Attributes: What to Model and What to Avoid<a class=headerlink href=#understanding-attributes-what-to-model-and-what-to-avoid title="Permanent link">¶</a></h2> <p><strong>Important: Attributes are NOT required!</strong> The Effects System works well when used solely for tag-based state management and cosmetic effects.</p> <h3 id=what-makes-a-good-attribute>What Makes a Good Attribute?<a class=headerlink href=#what-makes-a-good-attribute title="Permanent link">¶</a></h3> <p>Attributes work best for values that are:</p> <ul> <li><strong>Primarily modified by the effects system</strong> (buffs, debuffs, equipment)</li> <li><strong>Derived from a base value</strong> (MaxHealth, Speed, AttackDamage, Defense)</li> <li><strong>Calculated values</strong> where you need to see the result of all modifications</li> </ul> <h3 id=what-makes-a-poor-attribute>What Makes a Poor Attribute?<a class=headerlink href=#what-makes-a-poor-attribute title="Permanent link">¶</a></h3> <p><strong>❌ DON'T use Attributes for "current" values like CurrentHealth, CurrentMana, or CurrentAmmo!</strong></p> <p><strong>Why?</strong> These values are frequently modified by multiple systems:</p> <ul> <li>Combat system subtracts health upon damage</li> <li>Healing system adds health</li> <li>Regeneration ticks add health over time</li> <li>Death system resets health to zero</li> <li>Save/load system restores health</li> </ul> <p><strong>The Problem:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-5-1> 1</a></span>
<span class=normal><a href=#__codelineno-5-2> 2</a></span>
<span class=normal><a href=#__codelineno-5-3> 3</a></span>
<span class=normal><a href=#__codelineno-5-4> 4</a></span>
<span class=normal><a href=#__codelineno-5-5> 5</a></span>
<span class=normal><a href=#__codelineno-5-6> 6</a></span>
<span class=normal><a href=#__codelineno-5-7> 7</a></span>
<span class=normal><a href=#__codelineno-5-8> 8</a></span>
<span class=normal><a href=#__codelineno-5-9> 9</a></span>
<span class=normal><a href=#__codelineno-5-10>10</a></span>
<span class=normal><a href=#__codelineno-5-11>11</a></span>
<span class=normal><a href=#__codelineno-5-12>12</a></span>
<span class=normal><a href=#__codelineno-5-13>13</a></span>
<span class=normal><a href=#__codelineno-5-14>14</a></span>
<span class=normal><a href=#__codelineno-5-15>15</a></span>
<span class=normal><a href=#__codelineno-5-16>16</a></span>
<span class=normal><a href=#__codelineno-5-17>17</a></span>
<span class=normal><a href=#__codelineno-5-18>18</a></span>
<span class=normal><a href=#__codelineno-5-19>19</a></span>
<span class=normal><a href=#__codelineno-5-20>20</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-5-1><a id=__codelineno-5-1 name=__codelineno-5-1></a><span class=c1>// ❌ BAD: CurrentHealth as an Attribute</span>
</span><span id=__span-5-2><a id=__codelineno-5-2 name=__codelineno-5-2></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>PlayerStats</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>AttributesComponent</span>
</span><span id=__span-5-3><a id=__codelineno-5-3 name=__codelineno-5-3></a><span class=p>{</span>
</span><span id=__span-5-4><a id=__codelineno-5-4 name=__codelineno-5-4></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>Attribute</span><span class=w> </span><span class=n>CurrentHealth</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>100f</span><span class=p>;</span><span class=w> </span><span class=c1>// DON'T DO THIS!</span>
</span><span id=__span-5-5><a id=__codelineno-5-5 name=__codelineno-5-5></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>Attribute</span><span class=w> </span><span class=n>MaxHealth</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>100f</span><span class=p>;</span><span class=w> </span><span class=c1>// This is fine</span>
</span><span id=__span-5-6><a id=__codelineno-5-6 name=__codelineno-5-6></a><span class=p>}</span>
</span><span id=__span-5-7><a id=__codelineno-5-7 name=__codelineno-5-7></a>
</span><span id=__span-5-8><a id=__codelineno-5-8 name=__codelineno-5-8></a><span class=c1>// Multiple systems modify CurrentHealth:</span>
</span><span id=__span-5-9><a id=__codelineno-5-9 name=__codelineno-5-9></a><span class=k>void</span><span class=w> </span><span class=nf>TakeDamage</span><span class=p>(</span><span class=kt>float</span><span class=w> </span><span class=n>damage</span><span class=p>)</span>
</span><span id=__span-5-10><a id=__codelineno-5-10 name=__codelineno-5-10></a><span class=p>{</span>
</span><span id=__span-5-11><a id=__codelineno-5-11 name=__codelineno-5-11></a><span class=w> </span><span class=c1>// Direct mutation bypasses the effects system</span>
</span><span id=__span-5-12><a id=__codelineno-5-12 name=__codelineno-5-12></a><span class=w> </span><span class=n>playerStats</span><span class=p>.</span><span class=n>CurrentHealth</span><span class=p>.</span><span class=n>BaseValue</span><span class=w> </span><span class=o>-=</span><span class=w> </span><span class=n>damage</span><span class=p>;</span>
</span><span id=__span-5-13><a id=__codelineno-5-13 name=__codelineno-5-13></a>
</span><span id=__span-5-14><a id=__codelineno-5-14 name=__codelineno-5-14></a><span class=w> </span><span class=c1>// Problem 1: If an effect was modifying CurrentHealth,</span>
</span><span id=__span-5-15><a id=__codelineno-5-15 name=__codelineno-5-15></a><span class=w> </span><span class=c1>// it still applies! Now calculations are wrong.</span>
</span><span id=__span-5-16><a id=__codelineno-5-16 name=__codelineno-5-16></a><span class=w> </span><span class=c1>// Problem 2: If you remove an effect, it may restore</span>
</span><span id=__span-5-17><a id=__codelineno-5-17 name=__codelineno-5-17></a><span class=w> </span><span class=c1>// the ORIGINAL base value, undoing damage taken.</span>
</span><span id=__span-5-18><a id=__codelineno-5-18 name=__codelineno-5-18></a><span class=w> </span><span class=c1>// Problem 3: Save/load becomes complicated - do you save</span>
</span><span id=__span-5-19><a id=__codelineno-5-19 name=__codelineno-5-19></a><span class=w> </span><span class=c1>// base or current? What about active modifiers?</span>
</span><span id=__span-5-20><a id=__codelineno-5-20 name=__codelineno-5-20></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>The Solution - Separate Current and Max:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-6-1> 1</a></span>
<span class=normal><a href=#__codelineno-6-2> 2</a></span>
<span class=normal><a href=#__codelineno-6-3> 3</a></span>
<span class=normal><a href=#__codelineno-6-4> 4</a></span>
<span class=normal><a href=#__codelineno-6-5> 5</a></span>
<span class=normal><a href=#__codelineno-6-6> 6</a></span>
<span class=normal><a href=#__codelineno-6-7> 7</a></span>
<span class=normal><a href=#__codelineno-6-8> 8</a></span>
<span class=normal><a href=#__codelineno-6-9> 9</a></span>
<span class=normal><a href=#__codelineno-6-10>10</a></span>
<span class=normal><a href=#__codelineno-6-11>11</a></span>
<span class=normal><a href=#__codelineno-6-12>12</a></span>
<span class=normal><a href=#__codelineno-6-13>13</a></span>
<span class=normal><a href=#__codelineno-6-14>14</a></span>
<span class=normal><a href=#__codelineno-6-15>15</a></span>
<span class=normal><a href=#__codelineno-6-16>16</a></span>
<span class=normal><a href=#__codelineno-6-17>17</a></span>
<span class=normal><a href=#__codelineno-6-18>18</a></span>
<span class=normal><a href=#__codelineno-6-19>19</a></span>
<span class=normal><a href=#__codelineno-6-20>20</a></span>
<span class=normal><a href=#__codelineno-6-21>21</a></span>
<span class=normal><a href=#__codelineno-6-22>22</a></span>
<span class=normal><a href=#__codelineno-6-23>23</a></span>
<span class=normal><a href=#__codelineno-6-24>24</a></span>
<span class=normal><a href=#__codelineno-6-25>25</a></span>
<span class=normal><a href=#__codelineno-6-26>26</a></span>
<span class=normal><a href=#__codelineno-6-27>27</a></span>
<span class=normal><a href=#__codelineno-6-28>28</a></span>
<span class=normal><a href=#__codelineno-6-29>29</a></span>
<span class=normal><a href=#__codelineno-6-30>30</a></span>
<span class=normal><a href=#__codelineno-6-31>31</a></span>
<span class=normal><a href=#__codelineno-6-32>32</a></span>
<span class=normal><a href=#__codelineno-6-33>33</a></span>
<span class=normal><a href=#__codelineno-6-34>34</a></span>
<span class=normal><a href=#__codelineno-6-35>35</a></span>
<span class=normal><a href=#__codelineno-6-36>36</a></span>
<span class=normal><a href=#__codelineno-6-37>37</a></span>
<span class=normal><a href=#__codelineno-6-38>38</a></span>
<span class=normal><a href=#__codelineno-6-39>39</a></span>
<span class=normal><a href=#__codelineno-6-40>40</a></span>
<span class=normal><a href=#__codelineno-6-41>41</a></span>
<span class=normal><a href=#__codelineno-6-42>42</a></span>
<span class=normal><a href=#__codelineno-6-43>43</a></span>
<span class=normal><a href=#__codelineno-6-44>44</a></span>
<span class=normal><a href=#__codelineno-6-45>45</a></span>
<span class=normal><a href=#__codelineno-6-46>46</a></span>
<span class=normal><a href=#__codelineno-6-47>47</a></span>
<span class=normal><a href=#__codelineno-6-48>48</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-6-1><a id=__codelineno-6-1 name=__codelineno-6-1></a><span class=c1>// ✅ GOOD: CurrentHealth is a regular field, MaxHealth is an Attribute</span>
</span><span id=__span-6-2><a id=__codelineno-6-2 name=__codelineno-6-2></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>PlayerStats</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>AttributesComponent</span>
</span><span id=__span-6-3><a id=__codelineno-6-3 name=__codelineno-6-3></a><span class=p>{</span>
</span><span id=__span-6-4><a id=__codelineno-6-4 name=__codelineno-6-4></a><span class=w> </span><span class=c1>// Regular field - modified by combat/healing systems directly</span>
</span><span id=__span-6-5><a id=__codelineno-6-5 name=__codelineno-6-5></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>currentHealth</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>100f</span><span class=p>;</span>
</span><span id=__span-6-6><a id=__codelineno-6-6 name=__codelineno-6-6></a>
</span><span id=__span-6-7><a id=__codelineno-6-7 name=__codelineno-6-7></a><span class=w> </span><span class=c1>// Attribute - modified by buffs/effects</span>
</span><span id=__span-6-8><a id=__codelineno-6-8 name=__codelineno-6-8></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>Attribute</span><span class=w> </span><span class=n>MaxHealth</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>100f</span><span class=p>;</span>
</span><span id=__span-6-9><a id=__codelineno-6-9 name=__codelineno-6-9></a>
</span><span id=__span-6-10><a id=__codelineno-6-10 name=__codelineno-6-10></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>CurrentHealth</span>
</span><span id=__span-6-11><a id=__codelineno-6-11 name=__codelineno-6-11></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-6-12><a id=__codelineno-6-12 name=__codelineno-6-12></a><span class=w> </span><span class=k>get</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=n>currentHealth</span><span class=p>;</span>
</span><span id=__span-6-13><a id=__codelineno-6-13 name=__codelineno-6-13></a><span class=w> </span><span class=k>set</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=n>currentHealth</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>Mathf</span><span class=p>.</span><span class=n>Clamp</span><span class=p>(</span><span class=k>value</span><span class=p>,</span><span class=w> </span><span class=mi>0</span><span class=p>,</span><span class=w> </span><span class=n>MaxHealth</span><span class=p>.</span><span class=n>Value</span><span class=p>);</span>
</span><span id=__span-6-14><a id=__codelineno-6-14 name=__codelineno-6-14></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-6-15><a id=__codelineno-6-15 name=__codelineno-6-15></a>
</span><span id=__span-6-16><a id=__codelineno-6-16 name=__codelineno-6-16></a><span class=w> </span><span class=k>protected</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Awake</span><span class=p>()</span>
</span><span id=__span-6-17><a id=__codelineno-6-17 name=__codelineno-6-17></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-6-18><a id=__codelineno-6-18 name=__codelineno-6-18></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>Awake</span><span class=p>();</span>
</span><span id=__span-6-19><a id=__codelineno-6-19 name=__codelineno-6-19></a><span class=w> </span><span class=c1>// Initialize current health to max</span>
</span><span id=__span-6-20><a id=__codelineno-6-20 name=__codelineno-6-20></a><span class=w> </span><span class=n>currentHealth</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>MaxHealth</span><span class=p>.</span><span class=n>Value</span><span class=p>;</span>
</span><span id=__span-6-21><a id=__codelineno-6-21 name=__codelineno-6-21></a>
</span><span id=__span-6-22><a id=__codelineno-6-22 name=__codelineno-6-22></a><span class=w> </span><span class=c1>// When max health changes, clamp current health</span>
</span><span id=__span-6-23><a id=__codelineno-6-23 name=__codelineno-6-23></a><span class=w> </span><span class=n>OnAttributeModified</span><span class=w> </span><span class=o>+=</span><span class=w> </span><span class=p>(</span><span class=n>attributeName</span><span class=p>,</span><span class=w> </span><span class=n>oldVal</span><span class=p>,</span><span class=w> </span><span class=n>newVal</span><span class=p>)</span><span class=w> </span><span class=o>=></span>
</span><span id=__span-6-24><a id=__codelineno-6-24 name=__codelineno-6-24></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-6-25><a id=__codelineno-6-25 name=__codelineno-6-25></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>attributeName</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=k>nameof</span><span class=p>(</span><span class=n>MaxHealth</span><span class=p>))</span>
</span><span id=__span-6-26><a id=__codelineno-6-26 name=__codelineno-6-26></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-6-27><a id=__codelineno-6-27 name=__codelineno-6-27></a><span class=w> </span><span class=c1>// If max decreased, ensure current doesn't exceed new max</span>
</span><span id=__span-6-28><a id=__codelineno-6-28 name=__codelineno-6-28></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>currentHealth</span><span class=w> </span><span class=o>></span><span class=w> </span><span class=n>newVal</span><span class=p>)</span>
</span><span id=__span-6-29><a id=__codelineno-6-29 name=__codelineno-6-29></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-6-30><a id=__codelineno-6-30 name=__codelineno-6-30></a><span class=w> </span><span class=n>currentHealth</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>newVal</span><span class=p>;</span>
</span><span id=__span-6-31><a id=__codelineno-6-31 name=__codelineno-6-31></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-6-32><a id=__codelineno-6-32 name=__codelineno-6-32></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-6-33><a id=__codelineno-6-33 name=__codelineno-6-33></a><span class=w> </span><span class=p>};</span>
</span><span id=__span-6-34><a id=__codelineno-6-34 name=__codelineno-6-34></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-6-35><a id=__codelineno-6-35 name=__codelineno-6-35></a><span class=p>}</span>
</span><span id=__span-6-36><a id=__codelineno-6-36 name=__codelineno-6-36></a>
</span><span id=__span-6-37><a id=__codelineno-6-37 name=__codelineno-6-37></a><span class=c1>// Combat system can now safely modify current health</span>
</span><span id=__span-6-38><a id=__codelineno-6-38 name=__codelineno-6-38></a><span class=k>void</span><span class=w> </span><span class=nf>TakeDamage</span><span class=p>(</span><span class=kt>float</span><span class=w> </span><span class=n>damage</span><span class=p>)</span>
</span><span id=__span-6-39><a id=__codelineno-6-39 name=__codelineno-6-39></a><span class=p>{</span>
</span><span id=__span-6-40><a id=__codelineno-6-40 name=__codelineno-6-40></a><span class=w> </span><span class=n>playerStats</span><span class=p>.</span><span class=n>CurrentHealth</span><span class=w> </span><span class=o>-=</span><span class=w> </span><span class=n>damage</span><span class=p>;</span><span class=w> </span><span class=c1>// Simple and correct</span>
</span><span id=__span-6-41><a id=__codelineno-6-41 name=__codelineno-6-41></a><span class=p>}</span>
</span><span id=__span-6-42><a id=__codelineno-6-42 name=__codelineno-6-42></a>
</span><span id=__span-6-43><a id=__codelineno-6-43 name=__codelineno-6-43></a><span class=c1>// Effects system modifies max health</span>
</span><span id=__span-6-44><a id=__codelineno-6-44 name=__codelineno-6-44></a><span class=k>void</span><span class=w> </span><span class=nf>ApplyHealthBuff</span><span class=p>()</span>
</span><span id=__span-6-45><a id=__codelineno-6-45 name=__codelineno-6-45></a><span class=p>{</span>
</span><span id=__span-6-46><a id=__codelineno-6-46 name=__codelineno-6-46></a><span class=w> </span><span class=c1>// MaxHealth × 1.5 (buffs max, current stays same)</span>
</span><span id=__span-6-47><a id=__codelineno-6-47 name=__codelineno-6-47></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>healthBuffEffect</span><span class=p>);</span>
</span><span id=__span-6-48><a id=__codelineno-6-48 name=__codelineno-6-48></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=attribute-best-practices>Attribute Best Practices<a class=headerlink href=#attribute-best-practices title="Permanent link">¶</a></h3> <p><strong>✅ DO use Attributes for:</strong></p> <ul> <li><strong>MaxHealth, MaxMana, MaxStamina</strong> - caps that buffs modify</li> <li><strong>Speed, MovementSpeed</strong> - continuous values modified by effects</li> <li><strong>AttackDamage, Defense, CritChance</strong> - combat stats</li> <li><strong>CooldownReduction, CastSpeed</strong> - multiplicative modifiers</li> <li><strong>CarryCapacity, JumpHeight</strong> - gameplay parameters</li> </ul> <p><strong>❌ DON'T use Attributes for:</strong></p> <ul> <li><strong>CurrentHealth, CurrentMana</strong> - depleting resources with complex mutation</li> <li><strong>Position, Rotation</strong> - physics/transform state</li> <li><strong>Inventory count, Currency</strong> - discrete counts from multiple sources</li> <li><strong>Quest progress, Level</strong> - progression state</li> <li><strong>Input state, UI state</strong> - transient application state</li> </ul> <h3 id=why-this-matters>Why This Matters<a class=headerlink href=#why-this-matters title="Permanent link">¶</a></h3> <p>When you use Attributes for frequently mutated "current" values:</p> <ol> <li><strong>State conflicts</strong> - The effects system and other systems fight over the value</li> <li><strong>Save/load bugs</strong> - Unclear whether to save base value or current value with modifiers</li> <li><strong>Unexpected restorations</strong> - Removing an effect may restore old base value, losing damage/healing</li> <li><strong>Performance overhead</strong> - Recalculating modifications on every damage tick</li> <li><strong>Complexity</strong> - Need to carefully coordinate between effects and direct mutations</li> </ol> <p><strong>The Golden Rule:</strong> If a value is modified by systems outside the effects system regularly (combat, regeneration, consumption), it should NOT be an Attribute. Use a regular field instead and let Attributes handle the maximums/limits.</p> <h2 id=using-tags-without-attributes>Using Tags WITHOUT Attributes<a class=headerlink href=#using-tags-without-attributes title="Permanent link">¶</a></h2> <p>Even without any Attributes, the Effects System is useful for tag-based state management and cosmetic effects.</p> <h3 id=when-to-use-tags-without-attributes>When to Use Tags Without Attributes<a class=headerlink href=#when-to-use-tags-without-attributes title="Permanent link">¶</a></h3> <p>You should consider tag-only effects when:</p> <ul> <li>Managing categorical states ("Stunned", "Invisible", "InDialogue")</li> <li>Implementing temporary permissions ("CanDash", "CanDoubleJump")</li> <li>Coordinating system interactions ("InCombat", "InCutscene")</li> <li>Creating purely visual effects (particles, overlays) with timed lifetimes</li> <li>Building capability systems without numeric modifiers</li> </ul> <h3 id=example-pure-tag-effects>Example: Pure Tag Effects<a class=headerlink href=#example-pure-tag-effects title="Permanent link">¶</a></h3> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-7-1> 1</a></span>
<span class=normal><a href=#__codelineno-7-2> 2</a></span>
<span class=normal><a href=#__codelineno-7-3> 3</a></span>
<span class=normal><a href=#__codelineno-7-4> 4</a></span>
<span class=normal><a href=#__codelineno-7-5> 5</a></span>
<span class=normal><a href=#__codelineno-7-6> 6</a></span>
<span class=normal><a href=#__codelineno-7-7> 7</a></span>
<span class=normal><a href=#__codelineno-7-8> 8</a></span>
<span class=normal><a href=#__codelineno-7-9> 9</a></span>
<span class=normal><a href=#__codelineno-7-10>10</a></span>
<span class=normal><a href=#__codelineno-7-11>11</a></span>
<span class=normal><a href=#__codelineno-7-12>12</a></span>
<span class=normal><a href=#__codelineno-7-13>13</a></span>
<span class=normal><a href=#__codelineno-7-14>14</a></span>
<span class=normal><a href=#__codelineno-7-15>15</a></span>
<span class=normal><a href=#__codelineno-7-16>16</a></span>
<span class=normal><a href=#__codelineno-7-17>17</a></span>
<span class=normal><a href=#__codelineno-7-18>18</a></span>
<span class=normal><a href=#__codelineno-7-19>19</a></span>
<span class=normal><a href=#__codelineno-7-20>20</a></span>
<span class=normal><a href=#__codelineno-7-21>21</a></span>
<span class=normal><a href=#__codelineno-7-22>22</a></span>
<span class=normal><a href=#__codelineno-7-23>23</a></span>
<span class=normal><a href=#__codelineno-7-24>24</a></span>
<span class=normal><a href=#__codelineno-7-25>25</a></span>
<span class=normal><a href=#__codelineno-7-26>26</a></span>
<span class=normal><a href=#__codelineno-7-27>27</a></span>
<span class=normal><a href=#__codelineno-7-28>28</a></span>
<span class=normal><a href=#__codelineno-7-29>29</a></span>
<span class=normal><a href=#__codelineno-7-30>30</a></span>
<span class=normal><a href=#__codelineno-7-31>31</a></span>
<span class=normal><a href=#__codelineno-7-32>32</a></span>
<span class=normal><a href=#__codelineno-7-33>33</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-7-1><a id=__codelineno-7-1 name=__codelineno-7-1></a><span class=c1>// No AttributesComponent needed!</span>
</span><span id=__span-7-2><a id=__codelineno-7-2 name=__codelineno-7-2></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>StealthCharacter</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-7-3><a id=__codelineno-7-3 name=__codelineno-7-3></a><span class=p>{</span>
</span><span id=__span-7-4><a id=__codelineno-7-4 name=__codelineno-7-4></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>invisibilityEffect</span><span class=p>;</span>
</span><span id=__span-7-5><a id=__codelineno-7-5 name=__codelineno-7-5></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>stunnedEffect</span><span class=p>;</span>
</span><span id=__span-7-6><a id=__codelineno-7-6 name=__codelineno-7-6></a>
</span><span id=__span-7-7><a id=__codelineno-7-7 name=__codelineno-7-7></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Start</span><span class=p>()</span>
</span><span id=__span-7-8><a id=__codelineno-7-8 name=__codelineno-7-8></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-7-9><a id=__codelineno-7-9 name=__codelineno-7-9></a><span class=w> </span><span class=c1>// Apply invisibility for 5 seconds</span>
</span><span id=__span-7-10><a id=__codelineno-7-10 name=__codelineno-7-10></a><span class=w> </span><span class=c1>// InvisibilityEffect.asset:</span>
</span><span id=__span-7-11><a id=__codelineno-7-11 name=__codelineno-7-11></a><span class=w> </span><span class=c1>// - durationType: Duration (5 seconds)</span>
</span><span id=__span-7-12><a id=__codelineno-7-12 name=__codelineno-7-12></a><span class=w> </span><span class=c1>// - effectTags: ["Invisible", "Stealthy"]</span>
</span><span id=__span-7-13><a id=__codelineno-7-13 name=__codelineno-7-13></a><span class=w> </span><span class=c1>// - modifications: (EMPTY - no attributes needed!)</span>
</span><span id=__span-7-14><a id=__codelineno-7-14 name=__codelineno-7-14></a><span class=w> </span><span class=c1>// - cosmeticEffects: shimmer particles</span>
</span><span id=__span-7-15><a id=__codelineno-7-15 name=__codelineno-7-15></a><span class=w> </span><span class=k>this</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>invisibilityEffect</span><span class=p>);</span>
</span><span id=__span-7-16><a id=__codelineno-7-16 name=__codelineno-7-16></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-7-17><a id=__codelineno-7-17 name=__codelineno-7-17></a>
</span><span id=__span-7-18><a id=__codelineno-7-18 name=__codelineno-7-18></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-7-19><a id=__codelineno-7-19 name=__codelineno-7-19></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-7-20><a id=__codelineno-7-20 name=__codelineno-7-20></a><span class=w> </span><span class=c1>// Check tags to gate behavior</span>
</span><span id=__span-7-21><a id=__codelineno-7-21 name=__codelineno-7-21></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Stunned"</span><span class=p>))</span>
</span><span id=__span-7-22><a id=__codelineno-7-22 name=__codelineno-7-22></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-7-23><a id=__codelineno-7-23 name=__codelineno-7-23></a><span class=w> </span><span class=c1>// Prevent all actions</span>
</span><span id=__span-7-24><a id=__codelineno-7-24 name=__codelineno-7-24></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-7-25><a id=__codelineno-7-25 name=__codelineno-7-25></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-7-26><a id=__codelineno-7-26 name=__codelineno-7-26></a>
</span><span id=__span-7-27><a id=__codelineno-7-27 name=__codelineno-7-27></a><span class=w> </span><span class=c1>// AI can't detect invisible characters</span>
</span><span id=__span-7-28><a id=__codelineno-7-28 name=__codelineno-7-28></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=o>!</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invisible"</span><span class=p>))</span>
</span><span id=__span-7-29><a id=__codelineno-7-29 name=__codelineno-7-29></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-7-30><a id=__codelineno-7-30 name=__codelineno-7-30></a><span class=w> </span><span class=n>BroadcastPosition</span><span class=p>();</span>
</span><span id=__span-7-31><a id=__codelineno-7-31 name=__codelineno-7-31></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-7-32><a id=__codelineno-7-32 name=__codelineno-7-32></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-7-33><a id=__codelineno-7-33 name=__codelineno-7-33></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=example-tag-lifetimes-for-cosmetics>Example: Tag Lifetimes for Cosmetics<a class=headerlink href=#example-tag-lifetimes-for-cosmetics title="Permanent link">¶</a></h3> <p>Tags with durations provide automatic cleanup for visual effects:</p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-8-1> 1</a></span>
<span class=normal><a href=#__codelineno-8-2> 2</a></span>
<span class=normal><a href=#__codelineno-8-3> 3</a></span>
<span class=normal><a href=#__codelineno-8-4> 4</a></span>
<span class=normal><a href=#__codelineno-8-5> 5</a></span>
<span class=normal><a href=#__codelineno-8-6> 6</a></span>
<span class=normal><a href=#__codelineno-8-7> 7</a></span>
<span class=normal><a href=#__codelineno-8-8> 8</a></span>
<span class=normal><a href=#__codelineno-8-9> 9</a></span>
<span class=normal><a href=#__codelineno-8-10>10</a></span>
<span class=normal><a href=#__codelineno-8-11>11</a></span>
<span class=normal><a href=#__codelineno-8-12>12</a></span>
<span class=normal><a href=#__codelineno-8-13>13</a></span>
<span class=normal><a href=#__codelineno-8-14>14</a></span>
<span class=normal><a href=#__codelineno-8-15>15</a></span>
<span class=normal><a href=#__codelineno-8-16>16</a></span>
<span class=normal><a href=#__codelineno-8-17>17</a></span>
<span class=normal><a href=#__codelineno-8-18>18</a></span>
<span class=normal><a href=#__codelineno-8-19>19</a></span>
<span class=normal><a href=#__codelineno-8-20>20</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-8-1><a id=__codelineno-8-1 name=__codelineno-8-1></a><span class=c1>// Create a "ShowDamageIndicator" effect:</span>
</span><span id=__span-8-2><a id=__codelineno-8-2 name=__codelineno-8-2></a><span class=c1>// DamageIndicator.asset:</span>
</span><span id=__span-8-3><a id=__codelineno-8-3 name=__codelineno-8-3></a><span class=c1>// - durationType: Duration (1.5 seconds)</span>
</span><span id=__span-8-4><a id=__codelineno-8-4 name=__codelineno-8-4></a><span class=c1>// - effectTags: ["DamageIndicator"]</span>
</span><span id=__span-8-5><a id=__codelineno-8-5 name=__codelineno-8-5></a><span class=c1>// - modifications: (EMPTY)</span>
</span><span id=__span-8-6><a id=__codelineno-8-6 name=__codelineno-8-6></a><span class=c1>// - cosmeticEffects: DamageNumbersPrefab</span>
</span><span id=__span-8-7><a id=__codelineno-8-7 name=__codelineno-8-7></a>
</span><span id=__span-8-8><a id=__codelineno-8-8 name=__codelineno-8-8></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>CombatFeedback</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-8-9><a id=__codelineno-8-9 name=__codelineno-8-9></a><span class=p>{</span>
</span><span id=__span-8-10><a id=__codelineno-8-10 name=__codelineno-8-10></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>damageIndicator</span><span class=p>;</span>
</span><span id=__span-8-11><a id=__codelineno-8-11 name=__codelineno-8-11></a>
</span><span id=__span-8-12><a id=__codelineno-8-12 name=__codelineno-8-12></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>ShowDamage</span><span class=p>(</span><span class=kt>float</span><span class=w> </span><span class=n>amount</span><span class=p>)</span>
</span><span id=__span-8-13><a id=__codelineno-8-13 name=__codelineno-8-13></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-8-14><a id=__codelineno-8-14 name=__codelineno-8-14></a><span class=w> </span><span class=c1>// Apply effect - cosmetic spawns automatically</span>
</span><span id=__span-8-15><a id=__codelineno-8-15 name=__codelineno-8-15></a><span class=w> </span><span class=k>this</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>damageIndicator</span><span class=p>);</span>
</span><span id=__span-8-16><a id=__codelineno-8-16 name=__codelineno-8-16></a>
</span><span id=__span-8-17><a id=__codelineno-8-17 name=__codelineno-8-17></a><span class=w> </span><span class=c1>// After 1.5 seconds, cosmetic is automatically cleaned up</span>
</span><span id=__span-8-18><a id=__codelineno-8-18 name=__codelineno-8-18></a><span class=w> </span><span class=c1>// No manual cleanup code needed!</span>
</span><span id=__span-8-19><a id=__codelineno-8-19 name=__codelineno-8-19></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-8-20><a id=__codelineno-8-20 name=__codelineno-8-20></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=benefits-of-tag-only-usage>Benefits of Tag-Only Usage<a class=headerlink href=#benefits-of-tag-only-usage title="Permanent link">¶</a></h3> <ul> <li>✅ <strong>Simpler setup</strong> - No AttributesComponent required</li> <li>✅ <strong>Automatic cleanup</strong> - Duration-based tags clean up themselves</li> <li>✅ <strong>Reference counting</strong> - Multiple sources work naturally</li> <li>✅ <strong>Cosmetic integration</strong> - Visual effects lifecycle managed automatically</li> <li>✅ <strong>System decoupling</strong> - Any system can query tags without dependencies</li> </ul> <h3 id=tag-only-patterns>Tag-Only Patterns<a class=headerlink href=#tag-only-patterns title="Permanent link">¶</a></h3> <p><strong>1. Temporary Permissions:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-9-1> 1</a></span>
<span class=normal><a href=#__codelineno-9-2> 2</a></span>
<span class=normal><a href=#__codelineno-9-3> 3</a></span>
<span class=normal><a href=#__codelineno-9-4> 4</a></span>
<span class=normal><a href=#__codelineno-9-5> 5</a></span>
<span class=normal><a href=#__codelineno-9-6> 6</a></span>
<span class=normal><a href=#__codelineno-9-7> 7</a></span>
<span class=normal><a href=#__codelineno-9-8> 8</a></span>
<span class=normal><a href=#__codelineno-9-9> 9</a></span>
<span class=normal><a href=#__codelineno-9-10>10</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-9-1><a id=__codelineno-9-1 name=__codelineno-9-1></a><span class=c1>// PowerUpEffect.asset:</span>
</span><span id=__span-9-2><a id=__codelineno-9-2 name=__codelineno-9-2></a><span class=c1>// - durationType: Duration (10 seconds)</span>
</span><span id=__span-9-3><a id=__codelineno-9-3 name=__codelineno-9-3></a><span class=c1>// - effectTags: ["CanDash", "CanDoubleJump", "PoweredUp"]</span>
</span><span id=__span-9-4><a id=__codelineno-9-4 name=__codelineno-9-4></a><span class=c1>// - modifications: (EMPTY)</span>
</span><span id=__span-9-5><a id=__codelineno-9-5 name=__codelineno-9-5></a>
</span><span id=__span-9-6><a id=__codelineno-9-6 name=__codelineno-9-6></a><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>GrantPowerUp</span><span class=p>()</span>
</span><span id=__span-9-7><a id=__codelineno-9-7 name=__codelineno-9-7></a><span class=p>{</span>
</span><span id=__span-9-8><a id=__codelineno-9-8 name=__codelineno-9-8></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>powerUpEffect</span><span class=p>);</span>
</span><span id=__span-9-9><a id=__codelineno-9-9 name=__codelineno-9-9></a><span class=w> </span><span class=c1>// Player now has special abilities for 10 seconds</span>
</span><span id=__span-9-10><a id=__codelineno-9-10 name=__codelineno-9-10></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>2. State Management:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-10-1>1</a></span>
<span class=normal><a href=#__codelineno-10-2>2</a></span>
<span class=normal><a href=#__codelineno-10-3>3</a></span>
<span class=normal><a href=#__codelineno-10-4>4</a></span>
<span class=normal><a href=#__codelineno-10-5>5</a></span>
<span class=normal><a href=#__codelineno-10-6>6</a></span>
<span class=normal><a href=#__codelineno-10-7>7</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-10-1><a id=__codelineno-10-1 name=__codelineno-10-1></a><span class=c1>// DialogueStateEffect.asset:</span>
</span><span id=__span-10-2><a id=__codelineno-10-2 name=__codelineno-10-2></a><span class=c1>// - durationType: Infinite</span>
</span><span id=__span-10-3><a id=__codelineno-10-3 name=__codelineno-10-3></a><span class=c1>// - effectTags: ["InDialogue", "InputDisabled"]</span>
</span><span id=__span-10-4><a id=__codelineno-10-4 name=__codelineno-10-4></a>
</span><span id=__span-10-5><a id=__codelineno-10-5 name=__codelineno-10-5></a><span class=n>EffectHandle</span><span class=o>?</span><span class=w> </span><span class=n>dialogueHandle</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>dialogueState</span><span class=p>);</span>
</span><span id=__span-10-6><a id=__codelineno-10-6 name=__codelineno-10-6></a><span class=c1>// ... dialogue system runs ...</span>
</span><span id=__span-10-7><a id=__codelineno-10-7 name=__codelineno-10-7></a><span class=n>player</span><span class=p>.</span><span class=n>RemoveEffect</span><span class=p>(</span><span class=n>dialogueHandle</span><span class=p>.</span><span class=n>Value</span><span class=p>);</span>
</span></code></pre></div></td></tr></table></div> <p><strong>3. Visual-Only Effects:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-11-1>1</a></span>
<span class=normal><a href=#__codelineno-11-2>2</a></span>
<span class=normal><a href=#__codelineno-11-3>3</a></span>
<span class=normal><a href=#__codelineno-11-4>4</a></span>
<span class=normal><a href=#__codelineno-11-5>5</a></span>
<span class=normal><a href=#__codelineno-11-6>6</a></span>
<span class=normal><a href=#__codelineno-11-7>7</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-11-1><a id=__codelineno-11-1 name=__codelineno-11-1></a><span class=c1>// LevelUpEffect.asset:</span>
</span><span id=__span-11-2><a id=__codelineno-11-2 name=__codelineno-11-2></a><span class=c1>// - durationType: Duration (2 seconds)</span>
</span><span id=__span-11-3><a id=__codelineno-11-3 name=__codelineno-11-3></a><span class=c1>// - effectTags: ["LevelingUp"]</span>
</span><span id=__span-11-4><a id=__codelineno-11-4 name=__codelineno-11-4></a><span class=c1>// - cosmeticEffects: GlowParticles, LevelUpSound</span>
</span><span id=__span-11-5><a id=__codelineno-11-5 name=__codelineno-11-5></a>
</span><span id=__span-11-6><a id=__codelineno-11-6 name=__codelineno-11-6></a><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>levelUpEffect</span><span class=p>);</span>
</span><span id=__span-11-7><a id=__codelineno-11-7 name=__codelineno-11-7></a><span class=c1>// Particles and sound play, then clean up automatically</span>
</span></code></pre></div></td></tr></table></div> <h2 id=cosmetic-effects-complete-guide>Cosmetic Effects - Complete Guide<a class=headerlink href=#cosmetic-effects-complete-guide title="Permanent link">¶</a></h2> <p>Cosmetic effects handle the visual and audio presentation of effects. They provide a clean separation between gameplay logic (tags, attributes) and presentation (particles, sounds, UI).</p> <h3 id=architecture-overview>Architecture Overview<a class=headerlink href=#architecture-overview title="Permanent link">¶</a></h3> <p><strong>Component Hierarchy:</strong></p> <div class="language-text highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>Text Only</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-12-1>1</a></span>
<span class=normal><a href=#__codelineno-12-2>2</a></span>
<span class=normal><a href=#__codelineno-12-3>3</a></span>
<span class=normal><a href=#__codelineno-12-4>4</a></span>
<span class=normal><a href=#__codelineno-12-5>5</a></span>
<span class=normal><a href=#__codelineno-12-6>6</a></span>
<span class=normal><a href=#__codelineno-12-7>7</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-12-1><a id=__codelineno-12-1 name=__codelineno-12-1></a>CosmeticEffectData (Container GameObject/Prefab)
</span><span id=__span-12-2><a id=__codelineno-12-2 name=__codelineno-12-2></a> └─ CosmeticEffectComponent (Base class - abstract)
</span><span id=__span-12-3><a id=__codelineno-12-3 name=__codelineno-12-3></a> └─ Your custom implementations:
</span><span id=__span-12-4><a id=__codelineno-12-4 name=__codelineno-12-4></a> - ParticleCosmeticEffect
</span><span id=__span-12-5><a id=__codelineno-12-5 name=__codelineno-12-5></a> - AudioCosmeticEffect
</span><span id=__span-12-6><a id=__codelineno-12-6 name=__codelineno-12-6></a> - UICosmeticEffect
</span><span id=__span-12-7><a id=__codelineno-12-7 name=__codelineno-12-7></a> - AnimationCosmeticEffect
</span></code></pre></div></td></tr></table></div> <h3 id=creating-a-cosmetic-effect>Creating a Cosmetic Effect<a class=headerlink href=#creating-a-cosmetic-effect title="Permanent link">¶</a></h3> <h3 id=step-1-create-a-prefab-with-cosmeticeffectdata>Step 1: Create a prefab with CosmeticEffectData<a class=headerlink href=#step-1-create-a-prefab-with-cosmeticeffectdata title="Permanent link">¶</a></h3> <ol> <li>Create a new GameObject in the scene</li> <li>Add Component → <code>CosmeticEffectData</code></li> <li>Add your custom cosmetic components (particle systems, audio sources, etc.)</li> <li>Save as prefab</li> <li>Reference this prefab in your <code>AttributeEffect.cosmeticEffects</code> list</li> </ol> <h3 id=step-2-implement-cosmeticeffectcomponent-subclasses>Step 2: Implement CosmeticEffectComponent subclasses<a class=headerlink href=#step-2-implement-cosmeticeffectcomponent-subclasses title="Permanent link">¶</a></h3> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-13-1> 1</a></span>
<span class=normal><a href=#__codelineno-13-2> 2</a></span>
<span class=normal><a href=#__codelineno-13-3> 3</a></span>
<span class=normal><a href=#__codelineno-13-4> 4</a></span>
<span class=normal><a href=#__codelineno-13-5> 5</a></span>
<span class=normal><a href=#__codelineno-13-6> 6</a></span>
<span class=normal><a href=#__codelineno-13-7> 7</a></span>
<span class=normal><a href=#__codelineno-13-8> 8</a></span>
<span class=normal><a href=#__codelineno-13-9> 9</a></span>
<span class=normal><a href=#__codelineno-13-10>10</a></span>
<span class=normal><a href=#__codelineno-13-11>11</a></span>
<span class=normal><a href=#__codelineno-13-12>12</a></span>
<span class=normal><a href=#__codelineno-13-13>13</a></span>
<span class=normal><a href=#__codelineno-13-14>14</a></span>
<span class=normal><a href=#__codelineno-13-15>15</a></span>
<span class=normal><a href=#__codelineno-13-16>16</a></span>
<span class=normal><a href=#__codelineno-13-17>17</a></span>
<span class=normal><a href=#__codelineno-13-18>18</a></span>
<span class=normal><a href=#__codelineno-13-19>19</a></span>
<span class=normal><a href=#__codelineno-13-20>20</a></span>
<span class=normal><a href=#__codelineno-13-21>21</a></span>
<span class=normal><a href=#__codelineno-13-22>22</a></span>
<span class=normal><a href=#__codelineno-13-23>23</a></span>
<span class=normal><a href=#__codelineno-13-24>24</a></span>
<span class=normal><a href=#__codelineno-13-25>25</a></span>
<span class=normal><a href=#__codelineno-13-26>26</a></span>
<span class=normal><a href=#__codelineno-13-27>27</a></span>
<span class=normal><a href=#__codelineno-13-28>28</a></span>
<span class=normal><a href=#__codelineno-13-29>29</a></span>
<span class=normal><a href=#__codelineno-13-30>30</a></span>
<span class=normal><a href=#__codelineno-13-31>31</a></span>
<span class=normal><a href=#__codelineno-13-32>32</a></span>
<span class=normal><a href=#__codelineno-13-33>33</a></span>
<span class=normal><a href=#__codelineno-13-34>34</a></span>
<span class=normal><a href=#__codelineno-13-35>35</a></span>
<span class=normal><a href=#__codelineno-13-36>36</a></span>
<span class=normal><a href=#__codelineno-13-37>37</a></span>
<span class=normal><a href=#__codelineno-13-38>38</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-13-1><a id=__codelineno-13-1 name=__codelineno-13-1></a><span class=k>using</span><span class=w> </span><span class=nn>UnityEngine</span><span class=p>;</span>
</span><span id=__span-13-2><a id=__codelineno-13-2 name=__codelineno-13-2></a><span class=k>using</span><span class=w> </span><span class=nn>WallstopStudios.UnityHelpers.Tags</span><span class=p>;</span>
</span><span id=__span-13-3><a id=__codelineno-13-3 name=__codelineno-13-3></a>
</span><span id=__span-13-4><a id=__codelineno-13-4 name=__codelineno-13-4></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>ParticleCosmeticEffect</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>CosmeticEffectComponent</span>
</span><span id=__span-13-5><a id=__codelineno-13-5 name=__codelineno-13-5></a><span class=p>{</span>
</span><span id=__span-13-6><a id=__codelineno-13-6 name=__codelineno-13-6></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>ParticleSystem</span><span class=w> </span><span class=n>particles</span><span class=p>;</span>
</span><span id=__span-13-7><a id=__codelineno-13-7 name=__codelineno-13-7></a>
</span><span id=__span-13-8><a id=__codelineno-13-8 name=__codelineno-13-8></a><span class=w> </span><span class=c1>// RequiresInstance = true creates a new instance per application</span>
</span><span id=__span-13-9><a id=__codelineno-13-9 name=__codelineno-13-9></a><span class=w> </span><span class=c1>// RequiresInstance = false shares one instance across all applications</span>
</span><span id=__span-13-10><a id=__codelineno-13-10 name=__codelineno-13-10></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>RequiresInstance</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>true</span><span class=p>;</span>
</span><span id=__span-13-11><a id=__codelineno-13-11 name=__codelineno-13-11></a>
</span><span id=__span-13-12><a id=__codelineno-13-12 name=__codelineno-13-12></a><span class=w> </span><span class=c1>// CleansUpSelf = true means you handle destruction yourself</span>
</span><span id=__span-13-13><a id=__codelineno-13-13 name=__codelineno-13-13></a><span class=w> </span><span class=c1>// CleansUpSelf = false means EffectHandler destroys the GameObject</span>
</span><span id=__span-13-14><a id=__codelineno-13-14 name=__codelineno-13-14></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>CleansUpSelf</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>false</span><span class=p>;</span>
</span><span id=__span-13-15><a id=__codelineno-13-15 name=__codelineno-13-15></a>
</span><span id=__span-13-16><a id=__codelineno-13-16 name=__codelineno-13-16></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnApplyEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-13-17><a id=__codelineno-13-17 name=__codelineno-13-17></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-13-18><a id=__codelineno-13-18 name=__codelineno-13-18></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnApplyEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-13-19><a id=__codelineno-13-19 name=__codelineno-13-19></a>
</span><span id=__span-13-20><a id=__codelineno-13-20 name=__codelineno-13-20></a><span class=w> </span><span class=c1>// Attach cosmetic to target</span>
</span><span id=__span-13-21><a id=__codelineno-13-21 name=__codelineno-13-21></a><span class=w> </span><span class=n>transform</span><span class=p>.</span><span class=n>SetParent</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>transform</span><span class=p>);</span>
</span><span id=__span-13-22><a id=__codelineno-13-22 name=__codelineno-13-22></a><span class=w> </span><span class=n>transform</span><span class=p>.</span><span class=n>localPosition</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>Vector3</span><span class=p>.</span><span class=n>zero</span><span class=p>;</span>
</span><span id=__span-13-23><a id=__codelineno-13-23 name=__codelineno-13-23></a>
</span><span id=__span-13-24><a id=__codelineno-13-24 name=__codelineno-13-24></a><span class=w> </span><span class=c1>// Start visual effect</span>
</span><span id=__span-13-25><a id=__codelineno-13-25 name=__codelineno-13-25></a><span class=w> </span><span class=n>particles</span><span class=p>.</span><span class=n>Play</span><span class=p>();</span>
</span><span id=__span-13-26><a id=__codelineno-13-26 name=__codelineno-13-26></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-13-27><a id=__codelineno-13-27 name=__codelineno-13-27></a>
</span><span id=__span-13-28><a id=__codelineno-13-28 name=__codelineno-13-28></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnRemoveEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-13-29><a id=__codelineno-13-29 name=__codelineno-13-29></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-13-30><a id=__codelineno-13-30 name=__codelineno-13-30></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnRemoveEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-13-31><a id=__codelineno-13-31 name=__codelineno-13-31></a>
</span><span id=__span-13-32><a id=__codelineno-13-32 name=__codelineno-13-32></a><span class=w> </span><span class=c1>// Stop particles</span>
</span><span id=__span-13-33><a id=__codelineno-13-33 name=__codelineno-13-33></a><span class=w> </span><span class=n>particles</span><span class=p>.</span><span class=n>Stop</span><span class=p>();</span>
</span><span id=__span-13-34><a id=__codelineno-13-34 name=__codelineno-13-34></a>
</span><span id=__span-13-35><a id=__codelineno-13-35 name=__codelineno-13-35></a><span class=w> </span><span class=c1>// If CleansUpSelf = false, GameObject is destroyed automatically</span>
</span><span id=__span-13-36><a id=__codelineno-13-36 name=__codelineno-13-36></a><span class=w> </span><span class=c1>// If CleansUpSelf = true, you must handle destruction</span>
</span><span id=__span-13-37><a id=__codelineno-13-37 name=__codelineno-13-37></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-13-38><a id=__codelineno-13-38 name=__codelineno-13-38></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=requiresinstance-shared-vs-instanced>RequiresInstance: Shared vs Instanced<a class=headerlink href=#requiresinstance-shared-vs-instanced title="Permanent link">¶</a></h3> <p><strong>RequiresInstance = false (Shared):</strong></p> <ul> <li>One cosmetic instance is reused for all applications</li> <li>Best for: UI overlays, status icons, shared audio managers</li> <li>Lower memory footprint</li> <li>All targets share the same cosmetic GameObject</li> </ul> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-14-1> 1</a></span>
<span class=normal><a href=#__codelineno-14-2> 2</a></span>
<span class=normal><a href=#__codelineno-14-3> 3</a></span>
<span class=normal><a href=#__codelineno-14-4> 4</a></span>
<span class=normal><a href=#__codelineno-14-5> 5</a></span>
<span class=normal><a href=#__codelineno-14-6> 6</a></span>
<span class=normal><a href=#__codelineno-14-7> 7</a></span>
<span class=normal><a href=#__codelineno-14-8> 8</a></span>
<span class=normal><a href=#__codelineno-14-9> 9</a></span>
<span class=normal><a href=#__codelineno-14-10>10</a></span>
<span class=normal><a href=#__codelineno-14-11>11</a></span>
<span class=normal><a href=#__codelineno-14-12>12</a></span>
<span class=normal><a href=#__codelineno-14-13>13</a></span>
<span class=normal><a href=#__codelineno-14-14>14</a></span>
<span class=normal><a href=#__codelineno-14-15>15</a></span>
<span class=normal><a href=#__codelineno-14-16>16</a></span>
<span class=normal><a href=#__codelineno-14-17>17</a></span>
<span class=normal><a href=#__codelineno-14-18>18</a></span>
<span class=normal><a href=#__codelineno-14-19>19</a></span>
<span class=normal><a href=#__codelineno-14-20>20</a></span>
<span class=normal><a href=#__codelineno-14-21>21</a></span>
<span class=normal><a href=#__codelineno-14-22>22</a></span>
<span class=normal><a href=#__codelineno-14-23>23</a></span>
<span class=normal><a href=#__codelineno-14-24>24</a></span>
<span class=normal><a href=#__codelineno-14-25>25</a></span>
<span class=normal><a href=#__codelineno-14-26>26</a></span>
<span class=normal><a href=#__codelineno-14-27>27</a></span>
<span class=normal><a href=#__codelineno-14-28>28</a></span>
<span class=normal><a href=#__codelineno-14-29>29</a></span>
<span class=normal><a href=#__codelineno-14-30>30</a></span>
<span class=normal><a href=#__codelineno-14-31>31</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-14-1><a id=__codelineno-14-1 name=__codelineno-14-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>StatusIconCosmetic</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>CosmeticEffectComponent</span>
</span><span id=__span-14-2><a id=__codelineno-14-2 name=__codelineno-14-2></a><span class=p>{</span>
</span><span id=__span-14-3><a id=__codelineno-14-3 name=__codelineno-14-3></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>RequiresInstance</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>false</span><span class=p>;</span><span class=w> </span><span class=c1>// SHARED</span>
</span><span id=__span-14-4><a id=__codelineno-14-4 name=__codelineno-14-4></a>
</span><span id=__span-14-5><a id=__codelineno-14-5 name=__codelineno-14-5></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>Image</span><span class=w> </span><span class=n>iconImage</span><span class=p>;</span>
</span><span id=__span-14-6><a id=__codelineno-14-6 name=__codelineno-14-6></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>int</span><span class=w> </span><span class=n>activeCount</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mi>0</span><span class=p>;</span>
</span><span id=__span-14-7><a id=__codelineno-14-7 name=__codelineno-14-7></a>
</span><span id=__span-14-8><a id=__codelineno-14-8 name=__codelineno-14-8></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnApplyEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-14-9><a id=__codelineno-14-9 name=__codelineno-14-9></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-14-10><a id=__codelineno-14-10 name=__codelineno-14-10></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnApplyEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-14-11><a id=__codelineno-14-11 name=__codelineno-14-11></a><span class=w> </span><span class=n>activeCount</span><span class=o>++</span><span class=p>;</span>
</span><span id=__span-14-12><a id=__codelineno-14-12 name=__codelineno-14-12></a>
</span><span id=__span-14-13><a id=__codelineno-14-13 name=__codelineno-14-13></a><span class=w> </span><span class=c1>// Show icon if this is first application</span>
</span><span id=__span-14-14><a id=__codelineno-14-14 name=__codelineno-14-14></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>activeCount</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=mi>1</span><span class=p>)</span>
</span><span id=__span-14-15><a id=__codelineno-14-15 name=__codelineno-14-15></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-14-16><a id=__codelineno-14-16 name=__codelineno-14-16></a><span class=w> </span><span class=n>iconImage</span><span class=p>.</span><span class=n>enabled</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>true</span><span class=p>;</span>
</span><span id=__span-14-17><a id=__codelineno-14-17 name=__codelineno-14-17></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-14-18><a id=__codelineno-14-18 name=__codelineno-14-18></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-14-19><a id=__codelineno-14-19 name=__codelineno-14-19></a>
</span><span id=__span-14-20><a id=__codelineno-14-20 name=__codelineno-14-20></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnRemoveEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-14-21><a id=__codelineno-14-21 name=__codelineno-14-21></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-14-22><a id=__codelineno-14-22 name=__codelineno-14-22></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnRemoveEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-14-23><a id=__codelineno-14-23 name=__codelineno-14-23></a><span class=w> </span><span class=n>activeCount</span><span class=o>--</span><span class=p>;</span>
</span><span id=__span-14-24><a id=__codelineno-14-24 name=__codelineno-14-24></a>
</span><span id=__span-14-25><a id=__codelineno-14-25 name=__codelineno-14-25></a><span class=w> </span><span class=c1>// Hide icon when no more applications</span>
</span><span id=__span-14-26><a id=__codelineno-14-26 name=__codelineno-14-26></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>activeCount</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=mi>0</span><span class=p>)</span>
</span><span id=__span-14-27><a id=__codelineno-14-27 name=__codelineno-14-27></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-14-28><a id=__codelineno-14-28 name=__codelineno-14-28></a><span class=w> </span><span class=n>iconImage</span><span class=p>.</span><span class=n>enabled</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>false</span><span class=p>;</span>
</span><span id=__span-14-29><a id=__codelineno-14-29 name=__codelineno-14-29></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-14-30><a id=__codelineno-14-30 name=__codelineno-14-30></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-14-31><a id=__codelineno-14-31 name=__codelineno-14-31></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>RequiresInstance = true (Instanced):</strong></p> <ul> <li>New cosmetic instance created for each application</li> <li>Best for: Particles, per-effect animations, independent visuals</li> <li>Each application has an isolated state</li> <li>Higher memory cost, but full independence</li> </ul> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-15-1> 1</a></span>
<span class=normal><a href=#__codelineno-15-2> 2</a></span>
<span class=normal><a href=#__codelineno-15-3> 3</a></span>
<span class=normal><a href=#__codelineno-15-4> 4</a></span>
<span class=normal><a href=#__codelineno-15-5> 5</a></span>
<span class=normal><a href=#__codelineno-15-6> 6</a></span>
<span class=normal><a href=#__codelineno-15-7> 7</a></span>
<span class=normal><a href=#__codelineno-15-8> 8</a></span>
<span class=normal><a href=#__codelineno-15-9> 9</a></span>
<span class=normal><a href=#__codelineno-15-10>10</a></span>
<span class=normal><a href=#__codelineno-15-11>11</a></span>
<span class=normal><a href=#__codelineno-15-12>12</a></span>
<span class=normal><a href=#__codelineno-15-13>13</a></span>
<span class=normal><a href=#__codelineno-15-14>14</a></span>
<span class=normal><a href=#__codelineno-15-15>15</a></span>
<span class=normal><a href=#__codelineno-15-16>16</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-15-1><a id=__codelineno-15-1 name=__codelineno-15-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>FireParticleCosmetic</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>CosmeticEffectComponent</span>
</span><span id=__span-15-2><a id=__codelineno-15-2 name=__codelineno-15-2></a><span class=p>{</span>
</span><span id=__span-15-3><a id=__codelineno-15-3 name=__codelineno-15-3></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>RequiresInstance</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>true</span><span class=p>;</span><span class=w> </span><span class=c1>// INSTANCED</span>
</span><span id=__span-15-4><a id=__codelineno-15-4 name=__codelineno-15-4></a>
</span><span id=__span-15-5><a id=__codelineno-15-5 name=__codelineno-15-5></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>ParticleSystem</span><span class=w> </span><span class=n>fireParticles</span><span class=p>;</span>
</span><span id=__span-15-6><a id=__codelineno-15-6 name=__codelineno-15-6></a>
</span><span id=__span-15-7><a id=__codelineno-15-7 name=__codelineno-15-7></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnApplyEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-15-8><a id=__codelineno-15-8 name=__codelineno-15-8></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-15-9><a id=__codelineno-15-9 name=__codelineno-15-9></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnApplyEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-15-10><a id=__codelineno-15-10 name=__codelineno-15-10></a>
</span><span id=__span-15-11><a id=__codelineno-15-11 name=__codelineno-15-11></a><span class=w> </span><span class=c1>// Each instance is independent</span>
</span><span id=__span-15-12><a id=__codelineno-15-12 name=__codelineno-15-12></a><span class=w> </span><span class=n>transform</span><span class=p>.</span><span class=n>SetParent</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>transform</span><span class=p>);</span>
</span><span id=__span-15-13><a id=__codelineno-15-13 name=__codelineno-15-13></a><span class=w> </span><span class=n>transform</span><span class=p>.</span><span class=n>localPosition</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>Vector3</span><span class=p>.</span><span class=n>zero</span><span class=p>;</span>
</span><span id=__span-15-14><a id=__codelineno-15-14 name=__codelineno-15-14></a><span class=w> </span><span class=n>fireParticles</span><span class=p>.</span><span class=n>Play</span><span class=p>();</span>
</span><span id=__span-15-15><a id=__codelineno-15-15 name=__codelineno-15-15></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-15-16><a id=__codelineno-15-16 name=__codelineno-15-16></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=cleansupself-automatic-vs-manual-cleanup>CleansUpSelf: Automatic vs Manual Cleanup<a class=headerlink href=#cleansupself-automatic-vs-manual-cleanup title="Permanent link">¶</a></h3> <p><strong>CleansUpSelf = false (Automatic - Default):</strong></p> <ul> <li>EffectHandler destroys the GameObject when an effect is removed</li> <li>Simplest option for most cases</li> <li>Immediate cleanup</li> </ul> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-16-1> 1</a></span>
<span class=normal><a href=#__codelineno-16-2> 2</a></span>
<span class=normal><a href=#__codelineno-16-3> 3</a></span>
<span class=normal><a href=#__codelineno-16-4> 4</a></span>
<span class=normal><a href=#__codelineno-16-5> 5</a></span>
<span class=normal><a href=#__codelineno-16-6> 6</a></span>
<span class=normal><a href=#__codelineno-16-7> 7</a></span>
<span class=normal><a href=#__codelineno-16-8> 8</a></span>
<span class=normal><a href=#__codelineno-16-9> 9</a></span>
<span class=normal><a href=#__codelineno-16-10>10</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-16-1><a id=__codelineno-16-1 name=__codelineno-16-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>SimpleParticleEffect</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>CosmeticEffectComponent</span>
</span><span id=__span-16-2><a id=__codelineno-16-2 name=__codelineno-16-2></a><span class=p>{</span>
</span><span id=__span-16-3><a id=__codelineno-16-3 name=__codelineno-16-3></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>CleansUpSelf</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>false</span><span class=p>;</span><span class=w> </span><span class=c1>// AUTOMATIC</span>
</span><span id=__span-16-4><a id=__codelineno-16-4 name=__codelineno-16-4></a>
</span><span id=__span-16-5><a id=__codelineno-16-5 name=__codelineno-16-5></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnRemoveEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-16-6><a id=__codelineno-16-6 name=__codelineno-16-6></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-16-7><a id=__codelineno-16-7 name=__codelineno-16-7></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnRemoveEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-16-8><a id=__codelineno-16-8 name=__codelineno-16-8></a><span class=w> </span><span class=c1>// GameObject destroyed automatically by EffectHandler</span>
</span><span id=__span-16-9><a id=__codelineno-16-9 name=__codelineno-16-9></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-16-10><a id=__codelineno-16-10 name=__codelineno-16-10></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>CleansUpSelf = true (Manual Cleanup):</strong></p> <ul> <li>You are responsible for destroying the GameObject</li> <li>Use when you need delayed cleanup (fade out animations, particle finish)</li> <li>More control over cleanup timing</li> </ul> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-17-1> 1</a></span>
<span class=normal><a href=#__codelineno-17-2> 2</a></span>
<span class=normal><a href=#__codelineno-17-3> 3</a></span>
<span class=normal><a href=#__codelineno-17-4> 4</a></span>
<span class=normal><a href=#__codelineno-17-5> 5</a></span>
<span class=normal><a href=#__codelineno-17-6> 6</a></span>
<span class=normal><a href=#__codelineno-17-7> 7</a></span>
<span class=normal><a href=#__codelineno-17-8> 8</a></span>
<span class=normal><a href=#__codelineno-17-9> 9</a></span>
<span class=normal><a href=#__codelineno-17-10>10</a></span>
<span class=normal><a href=#__codelineno-17-11>11</a></span>
<span class=normal><a href=#__codelineno-17-12>12</a></span>
<span class=normal><a href=#__codelineno-17-13>13</a></span>
<span class=normal><a href=#__codelineno-17-14>14</a></span>
<span class=normal><a href=#__codelineno-17-15>15</a></span>
<span class=normal><a href=#__codelineno-17-16>16</a></span>
<span class=normal><a href=#__codelineno-17-17>17</a></span>
<span class=normal><a href=#__codelineno-17-18>18</a></span>
<span class=normal><a href=#__codelineno-17-19>19</a></span>
<span class=normal><a href=#__codelineno-17-20>20</a></span>
<span class=normal><a href=#__codelineno-17-21>21</a></span>
<span class=normal><a href=#__codelineno-17-22>22</a></span>
<span class=normal><a href=#__codelineno-17-23>23</a></span>
<span class=normal><a href=#__codelineno-17-24>24</a></span>
<span class=normal><a href=#__codelineno-17-25>25</a></span>
<span class=normal><a href=#__codelineno-17-26>26</a></span>
<span class=normal><a href=#__codelineno-17-27>27</a></span>
<span class=normal><a href=#__codelineno-17-28>28</a></span>
<span class=normal><a href=#__codelineno-17-29>29</a></span>
<span class=normal><a href=#__codelineno-17-30>30</a></span>
<span class=normal><a href=#__codelineno-17-31>31</a></span>
<span class=normal><a href=#__codelineno-17-32>32</a></span>
<span class=normal><a href=#__codelineno-17-33>33</a></span>
<span class=normal><a href=#__codelineno-17-34>34</a></span>
<span class=normal><a href=#__codelineno-17-35>35</a></span>
<span class=normal><a href=#__codelineno-17-36>36</a></span>
<span class=normal><a href=#__codelineno-17-37>37</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-17-1><a id=__codelineno-17-1 name=__codelineno-17-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>FadeOutEffect</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>CosmeticEffectComponent</span>
</span><span id=__span-17-2><a id=__codelineno-17-2 name=__codelineno-17-2></a><span class=p>{</span>
</span><span id=__span-17-3><a id=__codelineno-17-3 name=__codelineno-17-3></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>CleansUpSelf</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>true</span><span class=p>;</span><span class=w> </span><span class=c1>// MANUAL</span>
</span><span id=__span-17-4><a id=__codelineno-17-4 name=__codelineno-17-4></a>
</span><span id=__span-17-5><a id=__codelineno-17-5 name=__codelineno-17-5></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>fadeOutDuration</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>1f</span><span class=p>;</span>
</span><span id=__span-17-6><a id=__codelineno-17-6 name=__codelineno-17-6></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>isRemoving</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>false</span><span class=p>;</span>
</span><span id=__span-17-7><a id=__codelineno-17-7 name=__codelineno-17-7></a>
</span><span id=__span-17-8><a id=__codelineno-17-8 name=__codelineno-17-8></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnRemoveEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-17-9><a id=__codelineno-17-9 name=__codelineno-17-9></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-17-10><a id=__codelineno-17-10 name=__codelineno-17-10></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnRemoveEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-17-11><a id=__codelineno-17-11 name=__codelineno-17-11></a>
</span><span id=__span-17-12><a id=__codelineno-17-12 name=__codelineno-17-12></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=o>!</span><span class=n>isRemoving</span><span class=p>)</span>
</span><span id=__span-17-13><a id=__codelineno-17-13 name=__codelineno-17-13></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-17-14><a id=__codelineno-17-14 name=__codelineno-17-14></a><span class=w> </span><span class=n>isRemoving</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>true</span><span class=p>;</span>
</span><span id=__span-17-15><a id=__codelineno-17-15 name=__codelineno-17-15></a><span class=w> </span><span class=n>StartCoroutine</span><span class=p>(</span><span class=n>FadeOutAndDestroy</span><span class=p>());</span>
</span><span id=__span-17-16><a id=__codelineno-17-16 name=__codelineno-17-16></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-17-17><a id=__codelineno-17-17 name=__codelineno-17-17></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-17-18><a id=__codelineno-17-18 name=__codelineno-17-18></a>
</span><span id=__span-17-19><a id=__codelineno-17-19 name=__codelineno-17-19></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>IEnumerator</span><span class=w> </span><span class=nf>FadeOutAndDestroy</span><span class=p>()</span>
</span><span id=__span-17-20><a id=__codelineno-17-20 name=__codelineno-17-20></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-17-21><a id=__codelineno-17-21 name=__codelineno-17-21></a><span class=w> </span><span class=c1>// Fade out over time</span>
</span><span id=__span-17-22><a id=__codelineno-17-22 name=__codelineno-17-22></a><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>elapsed</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>0f</span><span class=p>;</span>
</span><span id=__span-17-23><a id=__codelineno-17-23 name=__codelineno-17-23></a><span class=w> </span><span class=n>SpriteRenderer</span><span class=w> </span><span class=n>sprite</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>GetComponent</span><span class=o><</span><span class=n>SpriteRenderer</span><span class=o>></span><span class=p>();</span>
</span><span id=__span-17-24><a id=__codelineno-17-24 name=__codelineno-17-24></a><span class=w> </span><span class=n>Color</span><span class=w> </span><span class=n>originalColor</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>sprite</span><span class=p>.</span><span class=n>color</span><span class=p>;</span>
</span><span id=__span-17-25><a id=__codelineno-17-25 name=__codelineno-17-25></a>
</span><span id=__span-17-26><a id=__codelineno-17-26 name=__codelineno-17-26></a><span class=w> </span><span class=k>while</span><span class=w> </span><span class=p>(</span><span class=n>elapsed</span><span class=w> </span><span class=o><</span><span class=w> </span><span class=n>fadeOutDuration</span><span class=p>)</span>
</span><span id=__span-17-27><a id=__codelineno-17-27 name=__codelineno-17-27></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-17-28><a id=__codelineno-17-28 name=__codelineno-17-28></a><span class=w> </span><span class=n>elapsed</span><span class=w> </span><span class=o>+=</span><span class=w> </span><span class=n>Time</span><span class=p>.</span><span class=n>deltaTime</span><span class=p>;</span>
</span><span id=__span-17-29><a id=__codelineno-17-29 name=__codelineno-17-29></a><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>alpha</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>1f</span><span class=w> </span><span class=o>-</span><span class=w> </span><span class=p>(</span><span class=n>elapsed</span><span class=w> </span><span class=o>/</span><span class=w> </span><span class=n>fadeOutDuration</span><span class=p>);</span>
</span><span id=__span-17-30><a id=__codelineno-17-30 name=__codelineno-17-30></a><span class=w> </span><span class=n>sprite</span><span class=p>.</span><span class=n>color</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=w> </span><span class=n>Color</span><span class=p>(</span><span class=n>originalColor</span><span class=p>.</span><span class=n>r</span><span class=p>,</span><span class=w> </span><span class=n>originalColor</span><span class=p>.</span><span class=n>g</span><span class=p>,</span><span class=w> </span><span class=n>originalColor</span><span class=p>.</span><span class=n>b</span><span class=p>,</span><span class=w> </span><span class=n>alpha</span><span class=p>);</span>
</span><span id=__span-17-31><a id=__codelineno-17-31 name=__codelineno-17-31></a><span class=w> </span><span class=k>yield</span><span class=w> </span><span class=k>return</span><span class=w> </span><span class=k>null</span><span class=p>;</span>
</span><span id=__span-17-32><a id=__codelineno-17-32 name=__codelineno-17-32></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-17-33><a id=__codelineno-17-33 name=__codelineno-17-33></a>
</span><span id=__span-17-34><a id=__codelineno-17-34 name=__codelineno-17-34></a><span class=w> </span><span class=c1>// Now safe to destroy</span>
</span><span id=__span-17-35><a id=__codelineno-17-35 name=__codelineno-17-35></a><span class=w> </span><span class=n>Destroy</span><span class=p>(</span><span class=n>gameObject</span><span class=p>);</span>
</span><span id=__span-17-36><a id=__codelineno-17-36 name=__codelineno-17-36></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-17-37><a id=__codelineno-17-37 name=__codelineno-17-37></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=complete-cosmetic-examples>Complete Cosmetic Examples<a class=headerlink href=#complete-cosmetic-examples title="Permanent link">¶</a></h3> <h4 id=example-1-buff-visual-with-particles-and-sound>Example 1: Buff Visual with Particles and Sound<a class=headerlink href=#example-1-buff-visual-with-particles-and-sound title="Permanent link">¶</a></h4> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-18-1> 1</a></span>
<span class=normal><a href=#__codelineno-18-2> 2</a></span>
<span class=normal><a href=#__codelineno-18-3> 3</a></span>
<span class=normal><a href=#__codelineno-18-4> 4</a></span>
<span class=normal><a href=#__codelineno-18-5> 5</a></span>
<span class=normal><a href=#__codelineno-18-6> 6</a></span>
<span class=normal><a href=#__codelineno-18-7> 7</a></span>
<span class=normal><a href=#__codelineno-18-8> 8</a></span>
<span class=normal><a href=#__codelineno-18-9> 9</a></span>
<span class=normal><a href=#__codelineno-18-10>10</a></span>
<span class=normal><a href=#__codelineno-18-11>11</a></span>
<span class=normal><a href=#__codelineno-18-12>12</a></span>
<span class=normal><a href=#__codelineno-18-13>13</a></span>
<span class=normal><a href=#__codelineno-18-14>14</a></span>
<span class=normal><a href=#__codelineno-18-15>15</a></span>
<span class=normal><a href=#__codelineno-18-16>16</a></span>
<span class=normal><a href=#__codelineno-18-17>17</a></span>
<span class=normal><a href=#__codelineno-18-18>18</a></span>
<span class=normal><a href=#__codelineno-18-19>19</a></span>
<span class=normal><a href=#__codelineno-18-20>20</a></span>
<span class=normal><a href=#__codelineno-18-21>21</a></span>
<span class=normal><a href=#__codelineno-18-22>22</a></span>
<span class=normal><a href=#__codelineno-18-23>23</a></span>
<span class=normal><a href=#__codelineno-18-24>24</a></span>
<span class=normal><a href=#__codelineno-18-25>25</a></span>
<span class=normal><a href=#__codelineno-18-26>26</a></span>
<span class=normal><a href=#__codelineno-18-27>27</a></span>
<span class=normal><a href=#__codelineno-18-28>28</a></span>
<span class=normal><a href=#__codelineno-18-29>29</a></span>
<span class=normal><a href=#__codelineno-18-30>30</a></span>
<span class=normal><a href=#__codelineno-18-31>31</a></span>
<span class=normal><a href=#__codelineno-18-32>32</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-18-1><a id=__codelineno-18-1 name=__codelineno-18-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>BuffCosmetic</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>CosmeticEffectComponent</span>
</span><span id=__span-18-2><a id=__codelineno-18-2 name=__codelineno-18-2></a><span class=p>{</span>
</span><span id=__span-18-3><a id=__codelineno-18-3 name=__codelineno-18-3></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>ParticleSystem</span><span class=w> </span><span class=n>buffParticles</span><span class=p>;</span>
</span><span id=__span-18-4><a id=__codelineno-18-4 name=__codelineno-18-4></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AudioSource</span><span class=w> </span><span class=n>audioSource</span><span class=p>;</span>
</span><span id=__span-18-5><a id=__codelineno-18-5 name=__codelineno-18-5></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AudioClip</span><span class=w> </span><span class=n>applySound</span><span class=p>;</span>
</span><span id=__span-18-6><a id=__codelineno-18-6 name=__codelineno-18-6></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AudioClip</span><span class=w> </span><span class=n>removeSound</span><span class=p>;</span>
</span><span id=__span-18-7><a id=__codelineno-18-7 name=__codelineno-18-7></a>
</span><span id=__span-18-8><a id=__codelineno-18-8 name=__codelineno-18-8></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>RequiresInstance</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>true</span><span class=p>;</span>
</span><span id=__span-18-9><a id=__codelineno-18-9 name=__codelineno-18-9></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>CleansUpSelf</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>false</span><span class=p>;</span>
</span><span id=__span-18-10><a id=__codelineno-18-10 name=__codelineno-18-10></a>
</span><span id=__span-18-11><a id=__codelineno-18-11 name=__codelineno-18-11></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnApplyEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-18-12><a id=__codelineno-18-12 name=__codelineno-18-12></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-18-13><a id=__codelineno-18-13 name=__codelineno-18-13></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnApplyEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-18-14><a id=__codelineno-18-14 name=__codelineno-18-14></a>
</span><span id=__span-18-15><a id=__codelineno-18-15 name=__codelineno-18-15></a><span class=w> </span><span class=c1>// Position cosmetic on target</span>
</span><span id=__span-18-16><a id=__codelineno-18-16 name=__codelineno-18-16></a><span class=w> </span><span class=n>transform</span><span class=p>.</span><span class=n>SetParent</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>transform</span><span class=p>);</span>
</span><span id=__span-18-17><a id=__codelineno-18-17 name=__codelineno-18-17></a><span class=w> </span><span class=n>transform</span><span class=p>.</span><span class=n>localPosition</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>Vector3</span><span class=p>.</span><span class=n>zero</span><span class=p>;</span>
</span><span id=__span-18-18><a id=__codelineno-18-18 name=__codelineno-18-18></a>
</span><span id=__span-18-19><a id=__codelineno-18-19 name=__codelineno-18-19></a><span class=w> </span><span class=c1>// Play effects</span>
</span><span id=__span-18-20><a id=__codelineno-18-20 name=__codelineno-18-20></a><span class=w> </span><span class=n>buffParticles</span><span class=p>.</span><span class=n>Play</span><span class=p>();</span>
</span><span id=__span-18-21><a id=__codelineno-18-21 name=__codelineno-18-21></a><span class=w> </span><span class=n>audioSource</span><span class=p>.</span><span class=n>PlayOneShot</span><span class=p>(</span><span class=n>applySound</span><span class=p>);</span>
</span><span id=__span-18-22><a id=__codelineno-18-22 name=__codelineno-18-22></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-18-23><a id=__codelineno-18-23 name=__codelineno-18-23></a>
</span><span id=__span-18-24><a id=__codelineno-18-24 name=__codelineno-18-24></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnRemoveEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-18-25><a id=__codelineno-18-25 name=__codelineno-18-25></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-18-26><a id=__codelineno-18-26 name=__codelineno-18-26></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnRemoveEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-18-27><a id=__codelineno-18-27 name=__codelineno-18-27></a>
</span><span id=__span-18-28><a id=__codelineno-18-28 name=__codelineno-18-28></a><span class=w> </span><span class=n>audioSource</span><span class=p>.</span><span class=n>PlayOneShot</span><span class=p>(</span><span class=n>removeSound</span><span class=p>);</span>
</span><span id=__span-18-29><a id=__codelineno-18-29 name=__codelineno-18-29></a><span class=w> </span><span class=n>buffParticles</span><span class=p>.</span><span class=n>Stop</span><span class=p>();</span>
</span><span id=__span-18-30><a id=__codelineno-18-30 name=__codelineno-18-30></a><span class=w> </span><span class=c1>// Automatic cleanup after this</span>
</span><span id=__span-18-31><a id=__codelineno-18-31 name=__codelineno-18-31></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-18-32><a id=__codelineno-18-32 name=__codelineno-18-32></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h4 id=example-2-status-ui-overlay-shared>Example 2: Status UI Overlay (Shared)<a class=headerlink href=#example-2-status-ui-overlay-shared title="Permanent link">¶</a></h4> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-19-1> 1</a></span>
<span class=normal><a href=#__codelineno-19-2> 2</a></span>
<span class=normal><a href=#__codelineno-19-3> 3</a></span>
<span class=normal><a href=#__codelineno-19-4> 4</a></span>
<span class=normal><a href=#__codelineno-19-5> 5</a></span>
<span class=normal><a href=#__codelineno-19-6> 6</a></span>
<span class=normal><a href=#__codelineno-19-7> 7</a></span>
<span class=normal><a href=#__codelineno-19-8> 8</a></span>
<span class=normal><a href=#__codelineno-19-9> 9</a></span>
<span class=normal><a href=#__codelineno-19-10>10</a></span>
<span class=normal><a href=#__codelineno-19-11>11</a></span>
<span class=normal><a href=#__codelineno-19-12>12</a></span>
<span class=normal><a href=#__codelineno-19-13>13</a></span>
<span class=normal><a href=#__codelineno-19-14>14</a></span>
<span class=normal><a href=#__codelineno-19-15>15</a></span>
<span class=normal><a href=#__codelineno-19-16>16</a></span>
<span class=normal><a href=#__codelineno-19-17>17</a></span>
<span class=normal><a href=#__codelineno-19-18>18</a></span>
<span class=normal><a href=#__codelineno-19-19>19</a></span>
<span class=normal><a href=#__codelineno-19-20>20</a></span>
<span class=normal><a href=#__codelineno-19-21>21</a></span>
<span class=normal><a href=#__codelineno-19-22>22</a></span>
<span class=normal><a href=#__codelineno-19-23>23</a></span>
<span class=normal><a href=#__codelineno-19-24>24</a></span>
<span class=normal><a href=#__codelineno-19-25>25</a></span>
<span class=normal><a href=#__codelineno-19-26>26</a></span>
<span class=normal><a href=#__codelineno-19-27>27</a></span>
<span class=normal><a href=#__codelineno-19-28>28</a></span>
<span class=normal><a href=#__codelineno-19-29>29</a></span>
<span class=normal><a href=#__codelineno-19-30>30</a></span>
<span class=normal><a href=#__codelineno-19-31>31</a></span>
<span class=normal><a href=#__codelineno-19-32>32</a></span>
<span class=normal><a href=#__codelineno-19-33>33</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-19-1><a id=__codelineno-19-1 name=__codelineno-19-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>StatusOverlayCosmetic</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>CosmeticEffectComponent</span>
</span><span id=__span-19-2><a id=__codelineno-19-2 name=__codelineno-19-2></a><span class=p>{</span>
</span><span id=__span-19-3><a id=__codelineno-19-3 name=__codelineno-19-3></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>SpriteRenderer</span><span class=w> </span><span class=n>overlaySprite</span><span class=p>;</span>
</span><span id=__span-19-4><a id=__codelineno-19-4 name=__codelineno-19-4></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>Color</span><span class=w> </span><span class=n>overlayColor</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>Color</span><span class=p>.</span><span class=n>red</span><span class=p>;</span>
</span><span id=__span-19-5><a id=__codelineno-19-5 name=__codelineno-19-5></a>
</span><span id=__span-19-6><a id=__codelineno-19-6 name=__codelineno-19-6></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>RequiresInstance</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>false</span><span class=p>;</span><span class=w> </span><span class=c1>// SHARED</span>
</span><span id=__span-19-7><a id=__codelineno-19-7 name=__codelineno-19-7></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>CleansUpSelf</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>false</span><span class=p>;</span>
</span><span id=__span-19-8><a id=__codelineno-19-8 name=__codelineno-19-8></a>
</span><span id=__span-19-9><a id=__codelineno-19-9 name=__codelineno-19-9></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>SpriteRenderer</span><span class=w> </span><span class=n>targetSprite</span><span class=p>;</span>
</span><span id=__span-19-10><a id=__codelineno-19-10 name=__codelineno-19-10></a>
</span><span id=__span-19-11><a id=__codelineno-19-11 name=__codelineno-19-11></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnApplyEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-19-12><a id=__codelineno-19-12 name=__codelineno-19-12></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-19-13><a id=__codelineno-19-13 name=__codelineno-19-13></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnApplyEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-19-14><a id=__codelineno-19-14 name=__codelineno-19-14></a>
</span><span id=__span-19-15><a id=__codelineno-19-15 name=__codelineno-19-15></a><span class=w> </span><span class=n>targetSprite</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>GetComponent</span><span class=o><</span><span class=n>SpriteRenderer</span><span class=o>></span><span class=p>();</span>
</span><span id=__span-19-16><a id=__codelineno-19-16 name=__codelineno-19-16></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>targetSprite</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=k>null</span><span class=p>)</span>
</span><span id=__span-19-17><a id=__codelineno-19-17 name=__codelineno-19-17></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-19-18><a id=__codelineno-19-18 name=__codelineno-19-18></a><span class=w> </span><span class=c1>// Tint the sprite</span>
</span><span id=__span-19-19><a id=__codelineno-19-19 name=__codelineno-19-19></a><span class=w> </span><span class=n>targetSprite</span><span class=p>.</span><span class=n>color</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>overlayColor</span><span class=p>;</span>
</span><span id=__span-19-20><a id=__codelineno-19-20 name=__codelineno-19-20></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-19-21><a id=__codelineno-19-21 name=__codelineno-19-21></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-19-22><a id=__codelineno-19-22 name=__codelineno-19-22></a>
</span><span id=__span-19-23><a id=__codelineno-19-23 name=__codelineno-19-23></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnRemoveEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-19-24><a id=__codelineno-19-24 name=__codelineno-19-24></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-19-25><a id=__codelineno-19-25 name=__codelineno-19-25></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnRemoveEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-19-26><a id=__codelineno-19-26 name=__codelineno-19-26></a>
</span><span id=__span-19-27><a id=__codelineno-19-27 name=__codelineno-19-27></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>targetSprite</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=k>null</span><span class=p>)</span>
</span><span id=__span-19-28><a id=__codelineno-19-28 name=__codelineno-19-28></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-19-29><a id=__codelineno-19-29 name=__codelineno-19-29></a><span class=w> </span><span class=c1>// Restore original color</span>
</span><span id=__span-19-30><a id=__codelineno-19-30 name=__codelineno-19-30></a><span class=w> </span><span class=n>targetSprite</span><span class=p>.</span><span class=n>color</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>Color</span><span class=p>.</span><span class=n>white</span><span class=p>;</span>
</span><span id=__span-19-31><a id=__codelineno-19-31 name=__codelineno-19-31></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-19-32><a id=__codelineno-19-32 name=__codelineno-19-32></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-19-33><a id=__codelineno-19-33 name=__codelineno-19-33></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h4 id=example-3-animation-trigger>Example 3: Animation Trigger<a class=headerlink href=#example-3-animation-trigger title="Permanent link">¶</a></h4> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-20-1> 1</a></span>
<span class=normal><a href=#__codelineno-20-2> 2</a></span>
<span class=normal><a href=#__codelineno-20-3> 3</a></span>
<span class=normal><a href=#__codelineno-20-4> 4</a></span>
<span class=normal><a href=#__codelineno-20-5> 5</a></span>
<span class=normal><a href=#__codelineno-20-6> 6</a></span>
<span class=normal><a href=#__codelineno-20-7> 7</a></span>
<span class=normal><a href=#__codelineno-20-8> 8</a></span>
<span class=normal><a href=#__codelineno-20-9> 9</a></span>
<span class=normal><a href=#__codelineno-20-10>10</a></span>
<span class=normal><a href=#__codelineno-20-11>11</a></span>
<span class=normal><a href=#__codelineno-20-12>12</a></span>
<span class=normal><a href=#__codelineno-20-13>13</a></span>
<span class=normal><a href=#__codelineno-20-14>14</a></span>
<span class=normal><a href=#__codelineno-20-15>15</a></span>
<span class=normal><a href=#__codelineno-20-16>16</a></span>
<span class=normal><a href=#__codelineno-20-17>17</a></span>
<span class=normal><a href=#__codelineno-20-18>18</a></span>
<span class=normal><a href=#__codelineno-20-19>19</a></span>
<span class=normal><a href=#__codelineno-20-20>20</a></span>
<span class=normal><a href=#__codelineno-20-21>21</a></span>
<span class=normal><a href=#__codelineno-20-22>22</a></span>
<span class=normal><a href=#__codelineno-20-23>23</a></span>
<span class=normal><a href=#__codelineno-20-24>24</a></span>
<span class=normal><a href=#__codelineno-20-25>25</a></span>
<span class=normal><a href=#__codelineno-20-26>26</a></span>
<span class=normal><a href=#__codelineno-20-27>27</a></span>
<span class=normal><a href=#__codelineno-20-28>28</a></span>
<span class=normal><a href=#__codelineno-20-29>29</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-20-1><a id=__codelineno-20-1 name=__codelineno-20-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>AnimationCosmetic</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>CosmeticEffectComponent</span>
</span><span id=__span-20-2><a id=__codelineno-20-2 name=__codelineno-20-2></a><span class=p>{</span>
</span><span id=__span-20-3><a id=__codelineno-20-3 name=__codelineno-20-3></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>applyTrigger</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"BuffApplied"</span><span class=p>;</span>
</span><span id=__span-20-4><a id=__codelineno-20-4 name=__codelineno-20-4></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>removeTrigger</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"BuffRemoved"</span><span class=p>;</span>
</span><span id=__span-20-5><a id=__codelineno-20-5 name=__codelineno-20-5></a>
</span><span id=__span-20-6><a id=__codelineno-20-6 name=__codelineno-20-6></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>RequiresInstance</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=k>false</span><span class=p>;</span>
</span><span id=__span-20-7><a id=__codelineno-20-7 name=__codelineno-20-7></a>
</span><span id=__span-20-8><a id=__codelineno-20-8 name=__codelineno-20-8></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnApplyEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-20-9><a id=__codelineno-20-9 name=__codelineno-20-9></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-20-10><a id=__codelineno-20-10 name=__codelineno-20-10></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnApplyEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-20-11><a id=__codelineno-20-11 name=__codelineno-20-11></a>
</span><span id=__span-20-12><a id=__codelineno-20-12 name=__codelineno-20-12></a><span class=w> </span><span class=n>Animator</span><span class=w> </span><span class=n>animator</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>GetComponent</span><span class=o><</span><span class=n>Animator</span><span class=o>></span><span class=p>();</span>
</span><span id=__span-20-13><a id=__codelineno-20-13 name=__codelineno-20-13></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>animator</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=k>null</span><span class=p>)</span>
</span><span id=__span-20-14><a id=__codelineno-20-14 name=__codelineno-20-14></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-20-15><a id=__codelineno-20-15 name=__codelineno-20-15></a><span class=w> </span><span class=n>animator</span><span class=p>.</span><span class=n>SetTrigger</span><span class=p>(</span><span class=n>applyTrigger</span><span class=p>);</span>
</span><span id=__span-20-16><a id=__codelineno-20-16 name=__codelineno-20-16></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-20-17><a id=__codelineno-20-17 name=__codelineno-20-17></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-20-18><a id=__codelineno-20-18 name=__codelineno-20-18></a>
</span><span id=__span-20-19><a id=__codelineno-20-19 name=__codelineno-20-19></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnRemoveEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-20-20><a id=__codelineno-20-20 name=__codelineno-20-20></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-20-21><a id=__codelineno-20-21 name=__codelineno-20-21></a><span class=w> </span><span class=k>base</span><span class=p>.</span><span class=n>OnRemoveEffect</span><span class=p>(</span><span class=n>target</span><span class=p>);</span>
</span><span id=__span-20-22><a id=__codelineno-20-22 name=__codelineno-20-22></a>
</span><span id=__span-20-23><a id=__codelineno-20-23 name=__codelineno-20-23></a><span class=w> </span><span class=n>Animator</span><span class=w> </span><span class=n>animator</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>GetComponent</span><span class=o><</span><span class=n>Animator</span><span class=o>></span><span class=p>();</span>
</span><span id=__span-20-24><a id=__codelineno-20-24 name=__codelineno-20-24></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>animator</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=k>null</span><span class=p>)</span>
</span><span id=__span-20-25><a id=__codelineno-20-25 name=__codelineno-20-25></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-20-26><a id=__codelineno-20-26 name=__codelineno-20-26></a><span class=w> </span><span class=n>animator</span><span class=p>.</span><span class=n>SetTrigger</span><span class=p>(</span><span class=n>removeTrigger</span><span class=p>);</span>
</span><span id=__span-20-27><a id=__codelineno-20-27 name=__codelineno-20-27></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-20-28><a id=__codelineno-20-28 name=__codelineno-20-28></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-20-29><a id=__codelineno-20-29 name=__codelineno-20-29></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=combining-multiple-cosmetics>Combining Multiple Cosmetics<a class=headerlink href=#combining-multiple-cosmetics title="Permanent link">¶</a></h3> <p>A single effect can have multiple cosmetic components with different behaviors:</p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-21-1>1</a></span>
<span class=normal><a href=#__codelineno-21-2>2</a></span>
<span class=normal><a href=#__codelineno-21-3>3</a></span>
<span class=normal><a href=#__codelineno-21-4>4</a></span>
<span class=normal><a href=#__codelineno-21-5>5</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-21-1><a id=__codelineno-21-1 name=__codelineno-21-1></a><span class=c1>// PoisonEffect prefab:</span>
</span><span id=__span-21-2><a id=__codelineno-21-2 name=__codelineno-21-2></a><span class=c1>// - CosmeticEffectData</span>
</span><span id=__span-21-3><a id=__codelineno-21-3 name=__codelineno-21-3></a><span class=c1>// - PoisonParticles (RequiresInstance = true) // One per stack</span>
</span><span id=__span-21-4><a id=__codelineno-21-4 name=__codelineno-21-4></a><span class=c1>// - PoisonStatusIcon (RequiresInstance = false) // Shared UI element</span>
</span><span id=__span-21-5><a id=__codelineno-21-5 name=__codelineno-21-5></a><span class=c1>// - PoisonAudioLoop (RequiresInstance = true) // One audio loop per stack</span>
</span></code></pre></div></td></tr></table></div> <h3 id=cosmetic-lifecycle>Cosmetic Lifecycle<a class=headerlink href=#cosmetic-lifecycle title="Permanent link">¶</a></h3> <p><strong>Application Flow:</strong></p> <ol> <li><code>AttributeEffect</code> applied to GameObject</li> <li><code>EffectHandler</code> checks <code>cosmeticEffects</code> list</li> <li>For each <code>CosmeticEffectData</code>:</li> <li>If <code>RequiresInstancing = true</code>: Instantiate and parent to target</li> <li>If <code>RequiresInstancing = false</code>: Reuse existing instance</li> <li>Call <code>OnApplyEffect(target)</code> on all components</li> <li>Cosmetics remain active while an effect is active</li> </ol> <p><strong>Removal Flow:</strong></p> <ol> <li>Effect expires or is manually removed</li> <li><code>EffectHandler</code> calls <code>OnRemoveEffect(target)</code> on all components</li> <li>For each component:</li> <li>If <code>CleansUpSelf = false</code>: EffectHandler destroys GameObject immediately</li> <li>If <code>CleansUpSelf = true</code>: Component handles its own destruction</li> </ol> <h3 id=best-practices>Best Practices<a class=headerlink href=#best-practices title="Permanent link">¶</a></h3> <p><strong>Performance:</strong></p> <ul> <li>✅ Prefer <code>RequiresInstance = false</code> when possible (lower overhead)</li> <li>✅ Use object pooling for frequently spawned instanced cosmetics</li> <li>✅ Keep <code>OnApplyEffect</code> and <code>OnRemoveEffect</code> lightweight</li> <li>❌ Avoid expensive operations in these callbacks</li> </ul> <p><strong>Architecture:</strong></p> <ul> <li>✅ One responsibility per cosmetic component (particles, audio, UI separate)</li> <li>✅ Store references in <code>OnApplyEffect</code>, use them in <code>OnRemoveEffect</code></li> <li>✅ Always call <code>base.OnApplyEffect()</code> and <code>base.OnRemoveEffect()</code></li> <li>❌ Don't access gameplay logic from cosmetics (maintain separation)</li> </ul> <p><strong>Cleanup:</strong></p> <ul> <li>✅ Use <code>CleansUpSelf = false</code> unless you need delayed cleanup</li> <li>✅ If using <code>CleansUpSelf = true</code>, ensure you always destroy the GameObject</li> <li>✅ Handle null targets gracefully (target may be destroyed early)</li> <li>❌ Don't leak GameObjects by forgetting to clean up</li> </ul> <h2 id=recipes>Recipes<a class=headerlink href=#recipes title="Permanent link">¶</a></h2> <h3 id=1-buff-with-speed-for-5s-refreshable>1) Buff with % Speed for 5s (refreshable)<a class=headerlink href=#1-buff-with-speed-for-5s-refreshable title="Permanent link">¶</a></h3> <ul> <li>Effect: Multiplication <code>Speed *= 1.5f</code>, <code>Duration=5</code>, <code>resetDurationOnReapplication=true</code>, tag <code>Haste</code>.</li> <li>Apply to extend: reapply before expiry to reset the timer.</li> </ul> <h3 id=2-poison-poisoned-tag-10s-with-periodic-damage>2) Poison: "Poisoned" tag 10s with periodic damage<a class=headerlink href=#2-poison-poisoned-tag-10s-with-periodic-damage title="Permanent link">¶</a></h3> <ul> <li>periodicEffects: add a definition with <code>interval = 1s</code>, <code>maxTicks = 10</code>, and an empty <code>modifications</code> array (ticks drive behaviours)</li> <li>behaviors: attach a <code>PoisonDamageBehavior</code> that applies damage during <code>OnPeriodicTick</code> (sample below)</li> <li>durationType: Duration <code>10s</code> (or Infinite if the periodic schedule should drive expiry)</li> <li>effectTags: <code>[ "Poisoned" ]</code></li> <li>cosmetics: particles + UI icon</li> <li>Optional: add an immediate modification for on-apply burst damage</li> </ul> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-22-1> 1</a></span>
<span class=normal><a href=#__codelineno-22-2> 2</a></span>
<span class=normal><a href=#__codelineno-22-3> 3</a></span>
<span class=normal><a href=#__codelineno-22-4> 4</a></span>
<span class=normal><a href=#__codelineno-22-5> 5</a></span>
<span class=normal><a href=#__codelineno-22-6> 6</a></span>
<span class=normal><a href=#__codelineno-22-7> 7</a></span>
<span class=normal><a href=#__codelineno-22-8> 8</a></span>
<span class=normal><a href=#__codelineno-22-9> 9</a></span>
<span class=normal><a href=#__codelineno-22-10>10</a></span>
<span class=normal><a href=#__codelineno-22-11>11</a></span>
<span class=normal><a href=#__codelineno-22-12>12</a></span>
<span class=normal><a href=#__codelineno-22-13>13</a></span>
<span class=normal><a href=#__codelineno-22-14>14</a></span>
<span class=normal><a href=#__codelineno-22-15>15</a></span>
<span class=normal><a href=#__codelineno-22-16>16</a></span>
<span class=normal><a href=#__codelineno-22-17>17</a></span>
<span class=normal><a href=#__codelineno-22-18>18</a></span>
<span class=normal><a href=#__codelineno-22-19>19</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-22-1><a id=__codelineno-22-1 name=__codelineno-22-1></a><span class=na>[CreateAssetMenu(menuName = "Combat/Effects/Poison Damage")]</span>
</span><span id=__span-22-2><a id=__codelineno-22-2 name=__codelineno-22-2></a><span class=k>public</span><span class=w> </span><span class=k>sealed</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>PoisonDamageBehavior</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>EffectBehavior</span>
</span><span id=__span-22-3><a id=__codelineno-22-3 name=__codelineno-22-3></a><span class=p>{</span>
</span><span id=__span-22-4><a id=__codelineno-22-4 name=__codelineno-22-4></a><span class=w> </span><span class=na>[SerializeField]</span>
</span><span id=__span-22-5><a id=__codelineno-22-5 name=__codelineno-22-5></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>damagePerTick</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>5f</span><span class=p>;</span>
</span><span id=__span-22-6><a id=__codelineno-22-6 name=__codelineno-22-6></a>
</span><span id=__span-22-7><a id=__codelineno-22-7 name=__codelineno-22-7></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>override</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnPeriodicTick</span><span class=p>(</span>
</span><span id=__span-22-8><a id=__codelineno-22-8 name=__codelineno-22-8></a><span class=w> </span><span class=n>EffectBehaviorContext</span><span class=w> </span><span class=n>context</span><span class=p>,</span>
</span><span id=__span-22-9><a id=__codelineno-22-9 name=__codelineno-22-9></a><span class=w> </span><span class=n>PeriodicEffectTickContext</span><span class=w> </span><span class=n>tickContext</span>
</span><span id=__span-22-10><a id=__codelineno-22-10 name=__codelineno-22-10></a><span class=w> </span><span class=p>)</span>
</span><span id=__span-22-11><a id=__codelineno-22-11 name=__codelineno-22-11></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-22-12><a id=__codelineno-22-12 name=__codelineno-22-12></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=o>!</span><span class=n>context</span><span class=p>.</span><span class=n>Target</span><span class=p>.</span><span class=n>TryGetComponent</span><span class=p>(</span><span class=k>out</span><span class=w> </span><span class=n>PlayerHealth</span><span class=w> </span><span class=n>health</span><span class=p>))</span>
</span><span id=__span-22-13><a id=__codelineno-22-13 name=__codelineno-22-13></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-22-14><a id=__codelineno-22-14 name=__codelineno-22-14></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-22-15><a id=__codelineno-22-15 name=__codelineno-22-15></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-22-16><a id=__codelineno-22-16 name=__codelineno-22-16></a>
</span><span id=__span-22-17><a id=__codelineno-22-17 name=__codelineno-22-17></a><span class=w> </span><span class=n>health</span><span class=p>.</span><span class=n>ApplyDamage</span><span class=p>(</span><span class=n>damagePerTick</span><span class=p>);</span>
</span><span id=__span-22-18><a id=__codelineno-22-18 name=__codelineno-22-18></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-22-19><a id=__codelineno-22-19 name=__codelineno-22-19></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p>Pair this with a health component that owns mutable current-health state instead of modelling <code>CurrentHealth</code> as an Attribute.</p> <h3 id=3-equipment-aura-10-defense-while-equipped>3) Equipment Aura: +10 Defense while equipped<a class=headerlink href=#3-equipment-aura-10-defense-while-equipped title="Permanent link">¶</a></h3> <ul> <li>durationType: Infinite</li> <li>modifications: Addition <code>{ attribute: "Defense", value: 10f }</code></li> <li>Apply on equip, store the handle, remove on unequip.</li> </ul> <h3 id=4-oneoff-permanent-bonus>4) One‑off Permanent Bonus<a class=headerlink href=#4-oneoff-permanent-bonus title="Permanent link">¶</a></h3> <ul> <li>durationType: Instant (returns null)</li> <li>modifications: Addition or Override on base value (no handle; cannot be removed).</li> </ul> <h3 id=5-stacking-multiple-instances>5) Stacking Multiple Instances<a class=headerlink href=#5-stacking-multiple-instances title="Permanent link">¶</a></h3> <ul> <li>Set <code>stackingMode</code> on the effect asset to control reapplication:</li> <li><code>Stack</code> keeps separate handles (respecting <code>maximumStacks</code>, trimming the oldest when the cap is reached).</li> <li><code>Refresh</code> reuses the first handle; set <code>resetDurationOnReapplication = true</code> if the timer should reset on reapplication.</li> <li><code>Replace</code> removes existing handles in the same group before adding a new one.</li> <li><code>Ignore</code> rejects duplicate applications.</li> <li>Use <code>stackGroup = CustomKey</code> with a shared <code>stackGroupKey</code> when different assets should share a stack identity.</li> <li>Inspect active stacks with <code>EffectHandler.GetEffectStackCount(effect)</code> or tag counts for debugging and UI.</li> </ul> <h3 id=6-shared-vs-instanced-cosmetics>6) Shared vs. Instanced Cosmetics<a class=headerlink href=#6-shared-vs-instanced-cosmetics title="Permanent link">¶</a></h3> <ul> <li>In <code>CosmeticEffectData</code>, set a component’s <code>RequiresInstance = true</code> for per‑application instances (e.g., particles).</li> <li>Keep <code>RequiresInstance = false</code> for shared presenters (e.g., status icon overlay).</li> </ul> <h3 id=periodic-tick-payloads>Periodic Tick Payloads<a class=headerlink href=#periodic-tick-payloads title="Permanent link">¶</a></h3> <ul> <li>Populate the <code>periodicEffects</code> list on an <code>AttributeEffect</code> to schedule damage/heal-over-time, resource regen, or scripted pulses without external coroutines.</li> <li>Each definition supports <code>initialDelay</code>, <code>interval</code>, and <code>maxTicks</code> (0 = infinite) plus its own <code>AttributeModification</code> bundle applied on every tick.</li> <li>Periodic payloads run only for Duration/Infinite effects; they automatically stop after <code>maxTicks</code> or when the effect handle is removed.</li> <li>Combine multiple definitions for mixed cadences (e.g., fast minor regen + slower burst heals).</li> </ul> <h3 id=effect-behaviours>Effect Behaviours<a class=headerlink href=#effect-behaviours title="Permanent link">¶</a></h3> <ul> <li>Attach <code>EffectBehavior</code> ScriptableObjects to the <code>behaviors</code> list for per-handle runtime logic.</li> <li>The system clones behaviours on application and calls <code>OnApply</code>, <code>OnTick</code> (each frame), <code>OnPeriodicTick</code> (after periodic payloads fire), and <code>OnRemove</code>.</li> <li>Behaviours are ideal for integrating bespoke systems (e.g., camera shakes, AI hooks, quest tracking) while keeping designer-authored effects data-driven.</li> <li>Keep behaviours stateless or store per-handle state on the cloned instance; clean up in <code>OnRemove</code>.</li> </ul> <h2 id=best-practices_1>Best Practices<a class=headerlink href=#best-practices_1 title="Permanent link">¶</a></h2> <ul> <li>Use Addition for flat changes; Multiplication for percentage changes; Override sparingly (wins last).</li> <li>Use the Attribute Metadata Cache generator to power editor dropdowns for <code>attribute</code> names and avoid typos.</li> <li>Centralize tag strings as constants to prevent mistakes and improve refactor safety.</li> <li>Prefer shared cosmetics where feasible; instantiate only when the state must be isolated per application.</li> <li>If reapplication should refresh timers, set <code>resetDurationOnReapplication = true</code> on the effect.</li> </ul> <h3 id=type-safe-effect-references-with-enums>Type-Safe Effect References with Enums<a class=headerlink href=#type-safe-effect-references-with-enums title="Permanent link">¶</a></h3> <p>Instead of managing effects through inspector references or Resources.Load calls, consider using an enum-based registry for centralized, type-safe access to all your effects:</p> <p><strong>The Pattern:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-23-1> 1</a></span>
<span class=normal><a href=#__codelineno-23-2> 2</a></span>
<span class=normal><a href=#__codelineno-23-3> 3</a></span>
<span class=normal><a href=#__codelineno-23-4> 4</a></span>
<span class=normal><a href=#__codelineno-23-5> 5</a></span>
<span class=normal><a href=#__codelineno-23-6> 6</a></span>
<span class=normal><a href=#__codelineno-23-7> 7</a></span>
<span class=normal><a href=#__codelineno-23-8> 8</a></span>
<span class=normal><a href=#__codelineno-23-9> 9</a></span>
<span class=normal><a href=#__codelineno-23-10>10</a></span>
<span class=normal><a href=#__codelineno-23-11>11</a></span>
<span class=normal><a href=#__codelineno-23-12>12</a></span>
<span class=normal><a href=#__codelineno-23-13>13</a></span>
<span class=normal><a href=#__codelineno-23-14>14</a></span>
<span class=normal><a href=#__codelineno-23-15>15</a></span>
<span class=normal><a href=#__codelineno-23-16>16</a></span>
<span class=normal><a href=#__codelineno-23-17>17</a></span>
<span class=normal><a href=#__codelineno-23-18>18</a></span>
<span class=normal><a href=#__codelineno-23-19>19</a></span>
<span class=normal><a href=#__codelineno-23-20>20</a></span>
<span class=normal><a href=#__codelineno-23-21>21</a></span>
<span class=normal><a href=#__codelineno-23-22>22</a></span>
<span class=normal><a href=#__codelineno-23-23>23</a></span>
<span class=normal><a href=#__codelineno-23-24>24</a></span>
<span class=normal><a href=#__codelineno-23-25>25</a></span>
<span class=normal><a href=#__codelineno-23-26>26</a></span>
<span class=normal><a href=#__codelineno-23-27>27</a></span>
<span class=normal><a href=#__codelineno-23-28>28</a></span>
<span class=normal><a href=#__codelineno-23-29>29</a></span>
<span class=normal><a href=#__codelineno-23-30>30</a></span>
<span class=normal><a href=#__codelineno-23-31>31</a></span>
<span class=normal><a href=#__codelineno-23-32>32</a></span>
<span class=normal><a href=#__codelineno-23-33>33</a></span>
<span class=normal><a href=#__codelineno-23-34>34</a></span>
<span class=normal><a href=#__codelineno-23-35>35</a></span>
<span class=normal><a href=#__codelineno-23-36>36</a></span>
<span class=normal><a href=#__codelineno-23-37>37</a></span>
<span class=normal><a href=#__codelineno-23-38>38</a></span>
<span class=normal><a href=#__codelineno-23-39>39</a></span>
<span class=normal><a href=#__codelineno-23-40>40</a></span>
<span class=normal><a href=#__codelineno-23-41>41</a></span>
<span class=normal><a href=#__codelineno-23-42>42</a></span>
<span class=normal><a href=#__codelineno-23-43>43</a></span>
<span class=normal><a href=#__codelineno-23-44>44</a></span>
<span class=normal><a href=#__codelineno-23-45>45</a></span>
<span class=normal><a href=#__codelineno-23-46>46</a></span>
<span class=normal><a href=#__codelineno-23-47>47</a></span>
<span class=normal><a href=#__codelineno-23-48>48</a></span>
<span class=normal><a href=#__codelineno-23-49>49</a></span>
<span class=normal><a href=#__codelineno-23-50>50</a></span>
<span class=normal><a href=#__codelineno-23-51>51</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-23-1><a id=__codelineno-23-1 name=__codelineno-23-1></a><span class=c1>// 1. Define an enum for all your effects</span>
</span><span id=__span-23-2><a id=__codelineno-23-2 name=__codelineno-23-2></a><span class=k>public</span><span class=w> </span><span class=k>enum</span><span class=w> </span><span class=n>EffectType</span>
</span><span id=__span-23-3><a id=__codelineno-23-3 name=__codelineno-23-3></a><span class=p>{</span>
</span><span id=__span-23-4><a id=__codelineno-23-4 name=__codelineno-23-4></a><span class=w> </span><span class=n>HastePotion</span><span class=p>,</span>
</span><span id=__span-23-5><a id=__codelineno-23-5 name=__codelineno-23-5></a><span class=w> </span><span class=n>StrengthBuff</span><span class=p>,</span>
</span><span id=__span-23-6><a id=__codelineno-23-6 name=__codelineno-23-6></a><span class=w> </span><span class=n>PoisonDebuff</span><span class=p>,</span>
</span><span id=__span-23-7><a id=__codelineno-23-7 name=__codelineno-23-7></a><span class=w> </span><span class=n>ShieldBuff</span><span class=p>,</span>
</span><span id=__span-23-8><a id=__codelineno-23-8 name=__codelineno-23-8></a><span class=w> </span><span class=n>FireDamageOverTime</span><span class=p>,</span>
</span><span id=__span-23-9><a id=__codelineno-23-9 name=__codelineno-23-9></a><span class=p>}</span>
</span><span id=__span-23-10><a id=__codelineno-23-10 name=__codelineno-23-10></a>
</span><span id=__span-23-11><a id=__codelineno-23-11 name=__codelineno-23-11></a><span class=c1>// 2. Create a centralized registry</span>
</span><span id=__span-23-12><a id=__codelineno-23-12 name=__codelineno-23-12></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>EffectRegistry</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>ScriptableObject</span>
</span><span id=__span-23-13><a id=__codelineno-23-13 name=__codelineno-23-13></a><span class=p>{</span>
</span><span id=__span-23-14><a id=__codelineno-23-14 name=__codelineno-23-14></a><span class=w> </span><span class=na>[System.Serializable]</span>
</span><span id=__span-23-15><a id=__codelineno-23-15 name=__codelineno-23-15></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>EffectEntry</span>
</span><span id=__span-23-16><a id=__codelineno-23-16 name=__codelineno-23-16></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-23-17><a id=__codelineno-23-17 name=__codelineno-23-17></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>EffectType</span><span class=w> </span><span class=n>type</span><span class=p>;</span>
</span><span id=__span-23-18><a id=__codelineno-23-18 name=__codelineno-23-18></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>effect</span><span class=p>;</span>
</span><span id=__span-23-19><a id=__codelineno-23-19 name=__codelineno-23-19></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-23-20><a id=__codelineno-23-20 name=__codelineno-23-20></a>
</span><span id=__span-23-21><a id=__codelineno-23-21 name=__codelineno-23-21></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>EffectEntry</span><span class=p>[]</span><span class=w> </span><span class=n>effects</span><span class=p>;</span>
</span><span id=__span-23-22><a id=__codelineno-23-22 name=__codelineno-23-22></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>Dictionary</span><span class=o><</span><span class=n>EffectType</span><span class=p>,</span><span class=w> </span><span class=n>AttributeEffect</span><span class=o>></span><span class=w> </span><span class=n>effectLookup</span><span class=p>;</span>
</span><span id=__span-23-23><a id=__codelineno-23-23 name=__codelineno-23-23></a>
</span><span id=__span-23-24><a id=__codelineno-23-24 name=__codelineno-23-24></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnEnable</span><span class=p>()</span>
</span><span id=__span-23-25><a id=__codelineno-23-25 name=__codelineno-23-25></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-23-26><a id=__codelineno-23-26 name=__codelineno-23-26></a><span class=w> </span><span class=n>effectLookup</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effects</span><span class=p>.</span><span class=n>ToDictionary</span><span class=p>(</span><span class=n>e</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>type</span><span class=p>,</span><span class=w> </span><span class=n>e</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>effect</span><span class=p>);</span>
</span><span id=__span-23-27><a id=__codelineno-23-27 name=__codelineno-23-27></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-23-28><a id=__codelineno-23-28 name=__codelineno-23-28></a>
</span><span id=__span-23-29><a id=__codelineno-23-29 name=__codelineno-23-29></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=nf>GetEffect</span><span class=p>(</span><span class=n>EffectType</span><span class=w> </span><span class=n>type</span><span class=p>)</span>
</span><span id=__span-23-30><a id=__codelineno-23-30 name=__codelineno-23-30></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-23-31><a id=__codelineno-23-31 name=__codelineno-23-31></a><span class=w> </span><span class=k>return</span><span class=w> </span><span class=n>effectLookup</span><span class=p>.</span><span class=n>TryGetValue</span><span class=p>(</span><span class=n>type</span><span class=p>,</span><span class=w> </span><span class=k>out</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>effect</span><span class=p>)</span>
</span><span id=__span-23-32><a id=__codelineno-23-32 name=__codelineno-23-32></a><span class=w> </span><span class=o>?</span><span class=w> </span><span class=n>effect</span>
</span><span id=__span-23-33><a id=__codelineno-23-33 name=__codelineno-23-33></a><span class=w> </span><span class=p>:</span><span class=w> </span><span class=k>null</span><span class=p>;</span>
</span><span id=__span-23-34><a id=__codelineno-23-34 name=__codelineno-23-34></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-23-35><a id=__codelineno-23-35 name=__codelineno-23-35></a><span class=p>}</span>
</span><span id=__span-23-36><a id=__codelineno-23-36 name=__codelineno-23-36></a>
</span><span id=__span-23-37><a id=__codelineno-23-37 name=__codelineno-23-37></a><span class=c1>// 3. Usage - type-safe and refactorable</span>
</span><span id=__span-23-38><a id=__codelineno-23-38 name=__codelineno-23-38></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>PlayerAbilities</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-23-39><a id=__codelineno-23-39 name=__codelineno-23-39></a><span class=p>{</span>
</span><span id=__span-23-40><a id=__codelineno-23-40 name=__codelineno-23-40></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>EffectRegistry</span><span class=w> </span><span class=n>effectRegistry</span><span class=p>;</span>
</span><span id=__span-23-41><a id=__codelineno-23-41 name=__codelineno-23-41></a>
</span><span id=__span-23-42><a id=__codelineno-23-42 name=__codelineno-23-42></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>DrinkHastePotion</span><span class=p>()</span>
</span><span id=__span-23-43><a id=__codelineno-23-43 name=__codelineno-23-43></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-23-44><a id=__codelineno-23-44 name=__codelineno-23-44></a><span class=w> </span><span class=c1>// Compiler ensures this effect exists</span>
</span><span id=__span-23-45><a id=__codelineno-23-45 name=__codelineno-23-45></a><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>haste</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effectRegistry</span><span class=p>.</span><span class=n>GetEffect</span><span class=p>(</span><span class=n>EffectType</span><span class=p>.</span><span class=n>HastePotion</span><span class=p>);</span>
</span><span id=__span-23-46><a id=__codelineno-23-46 name=__codelineno-23-46></a><span class=w> </span><span class=k>this</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>haste</span><span class=p>);</span>
</span><span id=__span-23-47><a id=__codelineno-23-47 name=__codelineno-23-47></a>
</span><span id=__span-23-48><a id=__codelineno-23-48 name=__codelineno-23-48></a><span class=w> </span><span class=c1>// Typos are caught at compile time</span>
</span><span id=__span-23-49><a id=__codelineno-23-49 name=__codelineno-23-49></a><span class=w> </span><span class=c1>// effectRegistry.GetEffect(EffectType.HastPotoin); // ❌ Won't compile</span>
</span><span id=__span-23-50><a id=__codelineno-23-50 name=__codelineno-23-50></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-23-51><a id=__codelineno-23-51 name=__codelineno-23-51></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Using DisplayName for Editor-Friendly Names:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-24-1> 1</a></span>
<span class=normal><a href=#__codelineno-24-2> 2</a></span>
<span class=normal><a href=#__codelineno-24-3> 3</a></span>
<span class=normal><a href=#__codelineno-24-4> 4</a></span>
<span class=normal><a href=#__codelineno-24-5> 5</a></span>
<span class=normal><a href=#__codelineno-24-6> 6</a></span>
<span class=normal><a href=#__codelineno-24-7> 7</a></span>
<span class=normal><a href=#__codelineno-24-8> 8</a></span>
<span class=normal><a href=#__codelineno-24-9> 9</a></span>
<span class=normal><a href=#__codelineno-24-10>10</a></span>
<span class=normal><a href=#__codelineno-24-11>11</a></span>
<span class=normal><a href=#__codelineno-24-12>12</a></span>
<span class=normal><a href=#__codelineno-24-13>13</a></span>
<span class=normal><a href=#__codelineno-24-14>14</a></span>
<span class=normal><a href=#__codelineno-24-15>15</a></span>
<span class=normal><a href=#__codelineno-24-16>16</a></span>
<span class=normal><a href=#__codelineno-24-17>17</a></span>
<span class=normal><a href=#__codelineno-24-18>18</a></span>
<span class=normal><a href=#__codelineno-24-19>19</a></span>
<span class=normal><a href=#__codelineno-24-20>20</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-24-1><a id=__codelineno-24-1 name=__codelineno-24-1></a><span class=k>using</span><span class=w> </span><span class=nn>System.ComponentModel</span><span class=p>;</span>
</span><span id=__span-24-2><a id=__codelineno-24-2 name=__codelineno-24-2></a>
</span><span id=__span-24-3><a id=__codelineno-24-3 name=__codelineno-24-3></a><span class=k>public</span><span class=w> </span><span class=k>enum</span><span class=w> </span><span class=n>EffectType</span>
</span><span id=__span-24-4><a id=__codelineno-24-4 name=__codelineno-24-4></a><span class=p>{</span>
</span><span id=__span-24-5><a id=__codelineno-24-5 name=__codelineno-24-5></a><span class=w> </span><span class=na>[Description("Haste Potion")]</span>
</span><span id=__span-24-6><a id=__codelineno-24-6 name=__codelineno-24-6></a><span class=w> </span><span class=n>HastePotion</span><span class=p>,</span>
</span><span id=__span-24-7><a id=__codelineno-24-7 name=__codelineno-24-7></a>
</span><span id=__span-24-8><a id=__codelineno-24-8 name=__codelineno-24-8></a><span class=w> </span><span class=na>[Description("Strength Buff (10s)")]</span>
</span><span id=__span-24-9><a id=__codelineno-24-9 name=__codelineno-24-9></a><span class=w> </span><span class=n>StrengthBuff</span><span class=p>,</span>
</span><span id=__span-24-10><a id=__codelineno-24-10 name=__codelineno-24-10></a>
</span><span id=__span-24-11><a id=__codelineno-24-11 name=__codelineno-24-11></a><span class=w> </span><span class=na>[Description("Poison DoT")]</span>
</span><span id=__span-24-12><a id=__codelineno-24-12 name=__codelineno-24-12></a><span class=w> </span><span class=n>PoisonDebuff</span><span class=p>,</span>
</span><span id=__span-24-13><a id=__codelineno-24-13 name=__codelineno-24-13></a>
</span><span id=__span-24-14><a id=__codelineno-24-14 name=__codelineno-24-14></a><span class=w> </span><span class=na>[Description("Shield (+50 Defense)")]</span>
</span><span id=__span-24-15><a id=__codelineno-24-15 name=__codelineno-24-15></a><span class=w> </span><span class=n>ShieldBuff</span><span class=p>,</span>
</span><span id=__span-24-16><a id=__codelineno-24-16 name=__codelineno-24-16></a><span class=p>}</span>
</span><span id=__span-24-17><a id=__codelineno-24-17 name=__codelineno-24-17></a>
</span><span id=__span-24-18><a id=__codelineno-24-18 name=__codelineno-24-18></a><span class=c1>// Custom PropertyDrawer can display Description in inspector</span>
</span><span id=__span-24-19><a id=__codelineno-24-19 name=__codelineno-24-19></a><span class=c1>// Or use Unity's [InspectorName] attribute in Unity 2021.2+:</span>
</span><span id=__span-24-20><a id=__codelineno-24-20 name=__codelineno-24-20></a><span class=c1>// [InspectorName("Haste Potion")] HastePotion,</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Cached Name Pattern for Performance:</strong></p> <p>If you're doing frequent lookups or displaying effect names in UI, cache the enum-to-string mappings:</p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-25-1> 1</a></span>
<span class=normal><a href=#__codelineno-25-2> 2</a></span>
<span class=normal><a href=#__codelineno-25-3> 3</a></span>
<span class=normal><a href=#__codelineno-25-4> 4</a></span>
<span class=normal><a href=#__codelineno-25-5> 5</a></span>
<span class=normal><a href=#__codelineno-25-6> 6</a></span>
<span class=normal><a href=#__codelineno-25-7> 7</a></span>
<span class=normal><a href=#__codelineno-25-8> 8</a></span>
<span class=normal><a href=#__codelineno-25-9> 9</a></span>
<span class=normal><a href=#__codelineno-25-10>10</a></span>
<span class=normal><a href=#__codelineno-25-11>11</a></span>
<span class=normal><a href=#__codelineno-25-12>12</a></span>
<span class=normal><a href=#__codelineno-25-13>13</a></span>
<span class=normal><a href=#__codelineno-25-14>14</a></span>
<span class=normal><a href=#__codelineno-25-15>15</a></span>
<span class=normal><a href=#__codelineno-25-16>16</a></span>
<span class=normal><a href=#__codelineno-25-17>17</a></span>
<span class=normal><a href=#__codelineno-25-18>18</a></span>
<span class=normal><a href=#__codelineno-25-19>19</a></span>
<span class=normal><a href=#__codelineno-25-20>20</a></span>
<span class=normal><a href=#__codelineno-25-21>21</a></span>
<span class=normal><a href=#__codelineno-25-22>22</a></span>
<span class=normal><a href=#__codelineno-25-23>23</a></span>
<span class=normal><a href=#__codelineno-25-24>24</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-25-1><a id=__codelineno-25-1 name=__codelineno-25-1></a><span class=k>public</span><span class=w> </span><span class=k>static</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>EffectTypeExtensions</span>
</span><span id=__span-25-2><a id=__codelineno-25-2 name=__codelineno-25-2></a><span class=p>{</span>
</span><span id=__span-25-3><a id=__codelineno-25-3 name=__codelineno-25-3></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=k>static</span><span class=w> </span><span class=k>readonly</span><span class=w> </span><span class=n>Dictionary</span><span class=o><</span><span class=n>EffectType</span><span class=p>,</span><span class=w> </span><span class=kt>string</span><span class=o>></span><span class=w> </span><span class=n>DisplayNames</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=p>()</span>
</span><span id=__span-25-4><a id=__codelineno-25-4 name=__codelineno-25-4></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-25-5><a id=__codelineno-25-5 name=__codelineno-25-5></a><span class=w> </span><span class=p>{</span><span class=w> </span><span class=n>EffectType</span><span class=p>.</span><span class=n>HastePotion</span><span class=p>,</span><span class=w> </span><span class=s>"Haste Potion"</span><span class=w> </span><span class=p>},</span>
</span><span id=__span-25-6><a id=__codelineno-25-6 name=__codelineno-25-6></a><span class=w> </span><span class=p>{</span><span class=w> </span><span class=n>EffectType</span><span class=p>.</span><span class=n>StrengthBuff</span><span class=p>,</span><span class=w> </span><span class=s>"Strength Buff"</span><span class=w> </span><span class=p>},</span>
</span><span id=__span-25-7><a id=__codelineno-25-7 name=__codelineno-25-7></a><span class=w> </span><span class=p>{</span><span class=w> </span><span class=n>EffectType</span><span class=p>.</span><span class=n>PoisonDebuff</span><span class=p>,</span><span class=w> </span><span class=s>"Poison"</span><span class=w> </span><span class=p>},</span>
</span><span id=__span-25-8><a id=__codelineno-25-8 name=__codelineno-25-8></a><span class=w> </span><span class=p>{</span><span class=w> </span><span class=n>EffectType</span><span class=p>.</span><span class=n>ShieldBuff</span><span class=p>,</span><span class=w> </span><span class=s>"Shield"</span><span class=w> </span><span class=p>},</span>
</span><span id=__span-25-9><a id=__codelineno-25-9 name=__codelineno-25-9></a><span class=w> </span><span class=p>};</span>
</span><span id=__span-25-10><a id=__codelineno-25-10 name=__codelineno-25-10></a>
</span><span id=__span-25-11><a id=__codelineno-25-11 name=__codelineno-25-11></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>static</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=nf>GetDisplayName</span><span class=p>(</span><span class=k>this</span><span class=w> </span><span class=n>EffectType</span><span class=w> </span><span class=n>type</span><span class=p>)</span>
</span><span id=__span-25-12><a id=__codelineno-25-12 name=__codelineno-25-12></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-25-13><a id=__codelineno-25-13 name=__codelineno-25-13></a><span class=w> </span><span class=k>return</span><span class=w> </span><span class=n>DisplayNames</span><span class=p>.</span><span class=n>TryGetValue</span><span class=p>(</span><span class=n>type</span><span class=p>,</span><span class=w> </span><span class=k>out</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>name</span><span class=p>)</span>
</span><span id=__span-25-14><a id=__codelineno-25-14 name=__codelineno-25-14></a><span class=w> </span><span class=o>?</span><span class=w> </span><span class=n>name</span>
</span><span id=__span-25-15><a id=__codelineno-25-15 name=__codelineno-25-15></a><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>type</span><span class=p>.</span><span class=n>ToString</span><span class=p>();</span>
</span><span id=__span-25-16><a id=__codelineno-25-16 name=__codelineno-25-16></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-25-17><a id=__codelineno-25-17 name=__codelineno-25-17></a><span class=p>}</span>
</span><span id=__span-25-18><a id=__codelineno-25-18 name=__codelineno-25-18></a>
</span><span id=__span-25-19><a id=__codelineno-25-19 name=__codelineno-25-19></a><span class=c1>// Usage in UI</span>
</span><span id=__span-25-20><a id=__codelineno-25-20 name=__codelineno-25-20></a><span class=k>void</span><span class=w> </span><span class=nf>UpdateEffectTooltip</span><span class=p>(</span><span class=n>EffectType</span><span class=w> </span><span class=n>effectType</span><span class=p>)</span>
</span><span id=__span-25-21><a id=__codelineno-25-21 name=__codelineno-25-21></a><span class=p>{</span>
</span><span id=__span-25-22><a id=__codelineno-25-22 name=__codelineno-25-22></a><span class=w> </span><span class=n>tooltipText</span><span class=p>.</span><span class=n>text</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effectType</span><span class=p>.</span><span class=n>GetDisplayName</span><span class=p>();</span>
</span><span id=__span-25-23><a id=__codelineno-25-23 name=__codelineno-25-23></a><span class=w> </span><span class=c1>// No allocations, no typos, refactor-safe</span>
</span><span id=__span-25-24><a id=__codelineno-25-24 name=__codelineno-25-24></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Benefits:</strong></p> <ul> <li>✅ <strong>Type safety</strong> - Compiler catches typos and missing effects</li> <li>✅ <strong>Refactoring</strong> - Rename effects across the entire codebase reliably</li> <li>✅ <strong>Autocomplete</strong> - IDE suggests all available effects</li> <li>✅ <strong>Performance</strong> - Dictionary lookup avoids Resources.Load overhead</li> <li>✅ <strong>No magic strings</strong> - Effect references are code symbols, not brittle strings</li> </ul> <p><strong>Drawbacks:</strong></p> <ul> <li>⚠️ <strong>Centralization</strong> - All effects must be registered in the enum and registry</li> <li>⚠️ <strong>Designer friction</strong> - Programmers must add enum entries for new effects</li> <li>⚠️ <strong>Scalability</strong> - With 100+ effects, enum becomes unwieldy (consider categories)</li> <li>⚠️ <strong>Asset decoupling</strong> - Effects are tied to code enum, harder to add via mods/DLC</li> </ul> <p><strong>When to Use:</strong></p> <ul> <li>✅ Small to medium projects (< 50 effects)</li> <li>✅ Programmer-driven effect creation</li> <li>✅ Need strong refactoring safety</li> <li>✅ Want compile-time validation</li> </ul> <p><strong>When to Avoid:</strong></p> <ul> <li>❌ Designer-driven workflows (they can't add enum entries)</li> <li>❌ Modding/DLC systems (effects defined outside codebase)</li> <li>❌ Very large effect catalogs (enums become bloated)</li> <li>❌ Rapid prototyping (slows iteration)</li> </ul> <hr> <p><strong>Integration with Unity Helpers' Built-in Enum Utilities:</strong></p> <p>This package already includes high-performance <code>EnumDisplayNameAttribute</code> and <code>ToCachedName()</code> extensions (see <code>EnumExtensions.cs:437-478</code>). You can use these for better performance:</p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-26-1> 1</a></span>
<span class=normal><a href=#__codelineno-26-2> 2</a></span>
<span class=normal><a href=#__codelineno-26-3> 3</a></span>
<span class=normal><a href=#__codelineno-26-4> 4</a></span>
<span class=normal><a href=#__codelineno-26-5> 5</a></span>
<span class=normal><a href=#__codelineno-26-6> 6</a></span>
<span class=normal><a href=#__codelineno-26-7> 7</a></span>
<span class=normal><a href=#__codelineno-26-8> 8</a></span>
<span class=normal><a href=#__codelineno-26-9> 9</a></span>
<span class=normal><a href=#__codelineno-26-10>10</a></span>
<span class=normal><a href=#__codelineno-26-11>11</a></span>
<span class=normal><a href=#__codelineno-26-12>12</a></span>
<span class=normal><a href=#__codelineno-26-13>13</a></span>
<span class=normal><a href=#__codelineno-26-14>14</a></span>
<span class=normal><a href=#__codelineno-26-15>15</a></span>
<span class=normal><a href=#__codelineno-26-16>16</a></span>
<span class=normal><a href=#__codelineno-26-17>17</a></span>
<span class=normal><a href=#__codelineno-26-18>18</a></span>
<span class=normal><a href=#__codelineno-26-19>19</a></span>
<span class=normal><a href=#__codelineno-26-20>20</a></span>
<span class=normal><a href=#__codelineno-26-21>21</a></span>
<span class=normal><a href=#__codelineno-26-22>22</a></span>
<span class=normal><a href=#__codelineno-26-23>23</a></span>
<span class=normal><a href=#__codelineno-26-24>24</a></span>
<span class=normal><a href=#__codelineno-26-25>25</a></span>
<span class=normal><a href=#__codelineno-26-26>26</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-26-1><a id=__codelineno-26-1 name=__codelineno-26-1></a><span class=k>using</span><span class=w> </span><span class=nn>WallstopStudios.UnityHelpers.Core.Attributes</span><span class=p>;</span>
</span><span id=__span-26-2><a id=__codelineno-26-2 name=__codelineno-26-2></a><span class=k>using</span><span class=w> </span><span class=nn>WallstopStudios.UnityHelpers.Core.Extension</span><span class=p>;</span>
</span><span id=__span-26-3><a id=__codelineno-26-3 name=__codelineno-26-3></a>
</span><span id=__span-26-4><a id=__codelineno-26-4 name=__codelineno-26-4></a><span class=k>public</span><span class=w> </span><span class=k>enum</span><span class=w> </span><span class=n>EffectType</span>
</span><span id=__span-26-5><a id=__codelineno-26-5 name=__codelineno-26-5></a><span class=p>{</span>
</span><span id=__span-26-6><a id=__codelineno-26-6 name=__codelineno-26-6></a><span class=w> </span><span class=na>[EnumDisplayName("Haste Potion")]</span>
</span><span id=__span-26-7><a id=__codelineno-26-7 name=__codelineno-26-7></a><span class=w> </span><span class=n>HastePotion</span><span class=p>,</span>
</span><span id=__span-26-8><a id=__codelineno-26-8 name=__codelineno-26-8></a>
</span><span id=__span-26-9><a id=__codelineno-26-9 name=__codelineno-26-9></a><span class=w> </span><span class=na>[EnumDisplayName("Strength Buff (10s)")]</span>
</span><span id=__span-26-10><a id=__codelineno-26-10 name=__codelineno-26-10></a><span class=w> </span><span class=n>StrengthBuff</span><span class=p>,</span>
</span><span id=__span-26-11><a id=__codelineno-26-11 name=__codelineno-26-11></a>
</span><span id=__span-26-12><a id=__codelineno-26-12 name=__codelineno-26-12></a><span class=w> </span><span class=na>[EnumDisplayName("Poison DoT")]</span>
</span><span id=__span-26-13><a id=__codelineno-26-13 name=__codelineno-26-13></a><span class=w> </span><span class=n>PoisonDebuff</span><span class=p>,</span>
</span><span id=__span-26-14><a id=__codelineno-26-14 name=__codelineno-26-14></a><span class=p>}</span>
</span><span id=__span-26-15><a id=__codelineno-26-15 name=__codelineno-26-15></a>
</span><span id=__span-26-16><a id=__codelineno-26-16 name=__codelineno-26-16></a><span class=c1>// High-performance cached display name (zero allocation after first call)</span>
</span><span id=__span-26-17><a id=__codelineno-26-17 name=__codelineno-26-17></a><span class=k>void</span><span class=w> </span><span class=nf>UpdateEffectTooltip</span><span class=p>(</span><span class=n>EffectType</span><span class=w> </span><span class=n>effectType</span><span class=p>)</span>
</span><span id=__span-26-18><a id=__codelineno-26-18 name=__codelineno-26-18></a><span class=p>{</span>
</span><span id=__span-26-19><a id=__codelineno-26-19 name=__codelineno-26-19></a><span class=w> </span><span class=n>tooltipText</span><span class=p>.</span><span class=n>text</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effectType</span><span class=p>.</span><span class=n>ToDisplayName</span><span class=p>();</span><span class=w> </span><span class=c1>// Uses EnumDisplayNameCache<T></span>
</span><span id=__span-26-20><a id=__codelineno-26-20 name=__codelineno-26-20></a><span class=p>}</span>
</span><span id=__span-26-21><a id=__codelineno-26-21 name=__codelineno-26-21></a>
</span><span id=__span-26-22><a id=__codelineno-26-22 name=__codelineno-26-22></a><span class=c1>// Or use ToCachedName() for the enum's field name without attributes</span>
</span><span id=__span-26-23><a id=__codelineno-26-23 name=__codelineno-26-23></a><span class=k>void</span><span class=w> </span><span class=nf>LogEffect</span><span class=p>(</span><span class=n>EffectType</span><span class=w> </span><span class=n>effectType</span><span class=p>)</span>
</span><span id=__span-26-24><a id=__codelineno-26-24 name=__codelineno-26-24></a><span class=p>{</span>
</span><span id=__span-26-25><a id=__codelineno-26-25 name=__codelineno-26-25></a><span class=w> </span><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>$"Applied: {effectType.ToCachedName()}"</span><span class=p>);</span><span class=w> </span><span class=c1>// Uses EnumNameCache<T></span>
</span><span id=__span-26-26><a id=__codelineno-26-26 name=__codelineno-26-26></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Performance characteristics:</strong></p> <ul> <li><code>ToDisplayName()</code>: O(1) lookup, zero allocations (array-based for enums ≤256 values)</li> <li><code>ToCachedName()</code>: O(1) lookup, zero allocations, thread-safe with concurrent dictionary</li> <li>Both use aggressive inlining and avoid boxing</li> </ul> <p>This eliminates the need to manually maintain a <code>DisplayNames</code> dictionary as shown in the earlier example—the package already provides optimized caching infrastructure.</p> <h2 id=api-reference>API Reference<a class=headerlink href=#api-reference title="Permanent link">¶</a></h2> <h3 id=attributeeffect-query-methods>AttributeEffect Query Methods<a class=headerlink href=#attributeeffect-query-methods title="Permanent link">¶</a></h3> <p><strong>Checking for Tags:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-27-1>1</a></span>
<span class=normal><a href=#__codelineno-27-2>2</a></span>
<span class=normal><a href=#__codelineno-27-3>3</a></span>
<span class=normal><a href=#__codelineno-27-4>4</a></span>
<span class=normal><a href=#__codelineno-27-5>5</a></span>
<span class=normal><a href=#__codelineno-27-6>6</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-27-1><a id=__codelineno-27-1 name=__codelineno-27-1></a><span class=c1>// Check if effect has a specific tag</span>
</span><span id=__span-27-2><a id=__codelineno-27-2 name=__codelineno-27-2></a><span class=kt>bool</span><span class=w> </span><span class=n>hasTag</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effect</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Haste"</span><span class=p>);</span>
</span><span id=__span-27-3><a id=__codelineno-27-3 name=__codelineno-27-3></a>
</span><span id=__span-27-4><a id=__codelineno-27-4 name=__codelineno-27-4></a><span class=c1>// Check if effect has any of the specified tags</span>
</span><span id=__span-27-5><a id=__codelineno-27-5 name=__codelineno-27-5></a><span class=kt>bool</span><span class=w> </span><span class=n>hasAny</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effect</span><span class=p>.</span><span class=n>HasAnyTag</span><span class=p>(</span><span class=k>new</span><span class=p>[]</span><span class=w> </span><span class=p>{</span><span class=w> </span><span class=s>"Haste"</span><span class=p>,</span><span class=w> </span><span class=s>"Speed"</span><span class=p>,</span><span class=w> </span><span class=s>"Boost"</span><span class=w> </span><span class=p>});</span>
</span><span id=__span-27-6><a id=__codelineno-27-6 name=__codelineno-27-6></a><span class=kt>bool</span><span class=w> </span><span class=n>hasAnyFromList</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effect</span><span class=p>.</span><span class=n>HasAnyTag</span><span class=p>(</span><span class=n>myTagList</span><span class=p>);</span><span class=w> </span><span class=c1>// IReadOnlyList<string> overload</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Checking for Attribute Modifications:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-28-1> 1</a></span>
<span class=normal><a href=#__codelineno-28-2> 2</a></span>
<span class=normal><a href=#__codelineno-28-3> 3</a></span>
<span class=normal><a href=#__codelineno-28-4> 4</a></span>
<span class=normal><a href=#__codelineno-28-5> 5</a></span>
<span class=normal><a href=#__codelineno-28-6> 6</a></span>
<span class=normal><a href=#__codelineno-28-7> 7</a></span>
<span class=normal><a href=#__codelineno-28-8> 8</a></span>
<span class=normal><a href=#__codelineno-28-9> 9</a></span>
<span class=normal><a href=#__codelineno-28-10>10</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-28-1><a id=__codelineno-28-1 name=__codelineno-28-1></a><span class=c1>// Check if effect modifies a specific attribute</span>
</span><span id=__span-28-2><a id=__codelineno-28-2 name=__codelineno-28-2></a><span class=kt>bool</span><span class=w> </span><span class=n>modifiesSpeed</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effect</span><span class=p>.</span><span class=n>ModifiesAttribute</span><span class=p>(</span><span class=s>"Speed"</span><span class=p>);</span>
</span><span id=__span-28-3><a id=__codelineno-28-3 name=__codelineno-28-3></a>
</span><span id=__span-28-4><a id=__codelineno-28-4 name=__codelineno-28-4></a><span class=c1>// Get all modifications for a specific attribute</span>
</span><span id=__span-28-5><a id=__codelineno-28-5 name=__codelineno-28-5></a><span class=k>using</span><span class=w> </span><span class=nn>var</span><span class=w> </span><span class=n>lease</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>Buffers</span><span class=o><</span><span class=n>AttributeModification</span><span class=o>></span><span class=p>.</span><span class=n>List</span><span class=p>.</span><span class=n>Get</span><span class=p>(</span><span class=k>out</span><span class=w> </span><span class=n>List</span><span class=o><</span><span class=n>AttributeModification</span><span class=o>></span><span class=w> </span><span class=n>mods</span><span class=p>);</span>
</span><span id=__span-28-6><a id=__codelineno-28-6 name=__codelineno-28-6></a><span class=n>effect</span><span class=p>.</span><span class=n>GetModifications</span><span class=p>(</span><span class=s>"Speed"</span><span class=p>,</span><span class=w> </span><span class=n>mods</span><span class=p>);</span>
</span><span id=__span-28-7><a id=__codelineno-28-7 name=__codelineno-28-7></a><span class=k>foreach</span><span class=w> </span><span class=p>(</span><span class=n>AttributeModification</span><span class=w> </span><span class=n>mod</span><span class=w> </span><span class=k>in</span><span class=w> </span><span class=n>mods</span><span class=p>)</span>
</span><span id=__span-28-8><a id=__codelineno-28-8 name=__codelineno-28-8></a><span class=p>{</span>
</span><span id=__span-28-9><a id=__codelineno-28-9 name=__codelineno-28-9></a><span class=w> </span><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>$"Action: {mod.action}, Value: {mod.value}"</span><span class=p>);</span>
</span><span id=__span-28-10><a id=__codelineno-28-10 name=__codelineno-28-10></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=taghandler-query-methods>TagHandler Query Methods<a class=headerlink href=#taghandler-query-methods title="Permanent link">¶</a></h3> <p><strong>Basic Tag Queries:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-29-1> 1</a></span>
<span class=normal><a href=#__codelineno-29-2> 2</a></span>
<span class=normal><a href=#__codelineno-29-3> 3</a></span>
<span class=normal><a href=#__codelineno-29-4> 4</a></span>
<span class=normal><a href=#__codelineno-29-5> 5</a></span>
<span class=normal><a href=#__codelineno-29-6> 6</a></span>
<span class=normal><a href=#__codelineno-29-7> 7</a></span>
<span class=normal><a href=#__codelineno-29-8> 8</a></span>
<span class=normal><a href=#__codelineno-29-9> 9</a></span>
<span class=normal><a href=#__codelineno-29-10>10</a></span>
<span class=normal><a href=#__codelineno-29-11>11</a></span>
<span class=normal><a href=#__codelineno-29-12>12</a></span>
<span class=normal><a href=#__codelineno-29-13>13</a></span>
<span class=normal><a href=#__codelineno-29-14>14</a></span>
<span class=normal><a href=#__codelineno-29-15>15</a></span>
<span class=normal><a href=#__codelineno-29-16>16</a></span>
<span class=normal><a href=#__codelineno-29-17>17</a></span>
<span class=normal><a href=#__codelineno-29-18>18</a></span>
<span class=normal><a href=#__codelineno-29-19>19</a></span>
<span class=normal><a href=#__codelineno-29-20>20</a></span>
<span class=normal><a href=#__codelineno-29-21>21</a></span>
<span class=normal><a href=#__codelineno-29-22>22</a></span>
<span class=normal><a href=#__codelineno-29-23>23</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-29-1><a id=__codelineno-29-1 name=__codelineno-29-1></a><span class=c1>// Check if a single tag is active</span>
</span><span id=__span-29-2><a id=__codelineno-29-2 name=__codelineno-29-2></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Stunned"</span><span class=p>))</span>
</span><span id=__span-29-3><a id=__codelineno-29-3 name=__codelineno-29-3></a><span class=p>{</span>
</span><span id=__span-29-4><a id=__codelineno-29-4 name=__codelineno-29-4></a><span class=w> </span><span class=n>DisableInput</span><span class=p>();</span>
</span><span id=__span-29-5><a id=__codelineno-29-5 name=__codelineno-29-5></a><span class=p>}</span>
</span><span id=__span-29-6><a id=__codelineno-29-6 name=__codelineno-29-6></a>
</span><span id=__span-29-7><a id=__codelineno-29-7 name=__codelineno-29-7></a><span class=c1>// Check if any of the tags are active</span>
</span><span id=__span-29-8><a id=__codelineno-29-8 name=__codelineno-29-8></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasAnyTag</span><span class=p>(</span><span class=k>new</span><span class=p>[]</span><span class=w> </span><span class=p>{</span><span class=w> </span><span class=s>"Stunned"</span><span class=p>,</span><span class=w> </span><span class=s>"Frozen"</span><span class=p>,</span><span class=w> </span><span class=s>"Sleeping"</span><span class=w> </span><span class=p>}))</span>
</span><span id=__span-29-9><a id=__codelineno-29-9 name=__codelineno-29-9></a><span class=p>{</span>
</span><span id=__span-29-10><a id=__codelineno-29-10 name=__codelineno-29-10></a><span class=w> </span><span class=n>PreventMovement</span><span class=p>();</span>
</span><span id=__span-29-11><a id=__codelineno-29-11 name=__codelineno-29-11></a><span class=p>}</span>
</span><span id=__span-29-12><a id=__codelineno-29-12 name=__codelineno-29-12></a>
</span><span id=__span-29-13><a id=__codelineno-29-13 name=__codelineno-29-13></a><span class=c1>// Check if all tags are active</span>
</span><span id=__span-29-14><a id=__codelineno-29-14 name=__codelineno-29-14></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasAllTags</span><span class=p>(</span><span class=k>new</span><span class=p>[]</span><span class=w> </span><span class=p>{</span><span class=w> </span><span class=s>"Wet"</span><span class=p>,</span><span class=w> </span><span class=s>"Grounded"</span><span class=w> </span><span class=p>}))</span>
</span><span id=__span-29-15><a id=__codelineno-29-15 name=__codelineno-29-15></a><span class=p>{</span>
</span><span id=__span-29-16><a id=__codelineno-29-16 name=__codelineno-29-16></a><span class=w> </span><span class=n>ApplyElectricShock</span><span class=p>();</span>
</span><span id=__span-29-17><a id=__codelineno-29-17 name=__codelineno-29-17></a><span class=p>}</span>
</span><span id=__span-29-18><a id=__codelineno-29-18 name=__codelineno-29-18></a>
</span><span id=__span-29-19><a id=__codelineno-29-19 name=__codelineno-29-19></a><span class=c1>// Check if none of the tags are active</span>
</span><span id=__span-29-20><a id=__codelineno-29-20 name=__codelineno-29-20></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasNoneOfTags</span><span class=p>(</span><span class=k>new</span><span class=p>[]</span><span class=w> </span><span class=p>{</span><span class=w> </span><span class=s>"Invulnerable"</span><span class=p>,</span><span class=w> </span><span class=s>"Untargetable"</span><span class=w> </span><span class=p>}))</span>
</span><span id=__span-29-21><a id=__codelineno-29-21 name=__codelineno-29-21></a><span class=p>{</span>
</span><span id=__span-29-22><a id=__codelineno-29-22 name=__codelineno-29-22></a><span class=w> </span><span class=n>AllowDamage</span><span class=p>();</span>
</span><span id=__span-29-23><a id=__codelineno-29-23 name=__codelineno-29-23></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Tag Count Queries:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-30-1> 1</a></span>
<span class=normal><a href=#__codelineno-30-2> 2</a></span>
<span class=normal><a href=#__codelineno-30-3> 3</a></span>
<span class=normal><a href=#__codelineno-30-4> 4</a></span>
<span class=normal><a href=#__codelineno-30-5> 5</a></span>
<span class=normal><a href=#__codelineno-30-6> 6</a></span>
<span class=normal><a href=#__codelineno-30-7> 7</a></span>
<span class=normal><a href=#__codelineno-30-8> 8</a></span>
<span class=normal><a href=#__codelineno-30-9> 9</a></span>
<span class=normal><a href=#__codelineno-30-10>10</a></span>
<span class=normal><a href=#__codelineno-30-11>11</a></span>
<span class=normal><a href=#__codelineno-30-12>12</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-30-1><a id=__codelineno-30-1 name=__codelineno-30-1></a><span class=c1>// Get the active count for a tag</span>
</span><span id=__span-30-2><a id=__codelineno-30-2 name=__codelineno-30-2></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>TryGetTagCount</span><span class=p>(</span><span class=s>"Poisoned"</span><span class=p>,</span><span class=w> </span><span class=k>out</span><span class=w> </span><span class=kt>int</span><span class=w> </span><span class=n>stacks</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>stacks</span><span class=w> </span><span class=o>>=</span><span class=w> </span><span class=mi>3</span><span class=p>)</span>
</span><span id=__span-30-3><a id=__codelineno-30-3 name=__codelineno-30-3></a><span class=p>{</span>
</span><span id=__span-30-4><a id=__codelineno-30-4 name=__codelineno-30-4></a><span class=w> </span><span class=n>TriggerCriticalPoisonWarning</span><span class=p>();</span>
</span><span id=__span-30-5><a id=__codelineno-30-5 name=__codelineno-30-5></a><span class=p>}</span>
</span><span id=__span-30-6><a id=__codelineno-30-6 name=__codelineno-30-6></a>
</span><span id=__span-30-7><a id=__codelineno-30-7 name=__codelineno-30-7></a><span class=c1>// Get all active tags</span>
</span><span id=__span-30-8><a id=__codelineno-30-8 name=__codelineno-30-8></a><span class=n>List</span><span class=o><</span><span class=kt>string</span><span class=o>></span><span class=w> </span><span class=n>activeTags</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>GetActiveTags</span><span class=p>();</span>
</span><span id=__span-30-9><a id=__codelineno-30-9 name=__codelineno-30-9></a><span class=k>foreach</span><span class=w> </span><span class=p>(</span><span class=kt>string</span><span class=w> </span><span class=n>tag</span><span class=w> </span><span class=k>in</span><span class=w> </span><span class=n>activeTags</span><span class=p>)</span>
</span><span id=__span-30-10><a id=__codelineno-30-10 name=__codelineno-30-10></a><span class=p>{</span>
</span><span id=__span-30-11><a id=__codelineno-30-11 name=__codelineno-30-11></a><span class=w> </span><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>$"Active tag: {tag}"</span><span class=p>);</span>
</span><span id=__span-30-12><a id=__codelineno-30-12 name=__codelineno-30-12></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Collection Type Support:</strong></p> <p>All tag query methods support multiple collection types with optimized implementations:</p> <ul> <li><code>IReadOnlyList<string></code> (optimized with index-based iteration)</li> <li><code>List<string></code></li> <li><code>HashSet<string></code></li> <li><code>SortedSet<string></code></li> <li><code>Queue<string></code></li> <li><code>Stack<string></code></li> <li><code>LinkedList<string></code></li> <li>Any <code>IEnumerable<string></code></li> </ul> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-31-1> 1</a></span>
<span class=normal><a href=#__codelineno-31-2> 2</a></span>
<span class=normal><a href=#__codelineno-31-3> 3</a></span>
<span class=normal><a href=#__codelineno-31-4> 4</a></span>
<span class=normal><a href=#__codelineno-31-5> 5</a></span>
<span class=normal><a href=#__codelineno-31-6> 6</a></span>
<span class=normal><a href=#__codelineno-31-7> 7</a></span>
<span class=normal><a href=#__codelineno-31-8> 8</a></span>
<span class=normal><a href=#__codelineno-31-9> 9</a></span>
<span class=normal><a href=#__codelineno-31-10>10</a></span>
<span class=normal><a href=#__codelineno-31-11>11</a></span>
<span class=normal><a href=#__codelineno-31-12>12</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-31-1><a id=__codelineno-31-1 name=__codelineno-31-1></a><span class=c1>// Example with different collection types</span>
</span><span id=__span-31-2><a id=__codelineno-31-2 name=__codelineno-31-2></a><span class=n>HashSet</span><span class=o><</span><span class=kt>string</span><span class=o>></span><span class=w> </span><span class=n>immunityTags</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=p>()</span><span class=w> </span><span class=p>{</span><span class=w> </span><span class=s>"Invulnerable"</span><span class=p>,</span><span class=w> </span><span class=s>"Immune"</span><span class=w> </span><span class=p>};</span>
</span><span id=__span-31-3><a id=__codelineno-31-3 name=__codelineno-31-3></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasAnyTag</span><span class=p>(</span><span class=n>immunityTags</span><span class=p>))</span>
</span><span id=__span-31-4><a id=__codelineno-31-4 name=__codelineno-31-4></a><span class=p>{</span>
</span><span id=__span-31-5><a id=__codelineno-31-5 name=__codelineno-31-5></a><span class=w> </span><span class=n>PreventDamage</span><span class=p>();</span>
</span><span id=__span-31-6><a id=__codelineno-31-6 name=__codelineno-31-6></a><span class=p>}</span>
</span><span id=__span-31-7><a id=__codelineno-31-7 name=__codelineno-31-7></a>
</span><span id=__span-31-8><a id=__codelineno-31-8 name=__codelineno-31-8></a><span class=n>List</span><span class=o><</span><span class=kt>string</span><span class=o>></span><span class=w> </span><span class=n>crowdControlTags</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=p>()</span><span class=w> </span><span class=p>{</span><span class=w> </span><span class=s>"Stunned"</span><span class=p>,</span><span class=w> </span><span class=s>"Rooted"</span><span class=p>,</span><span class=w> </span><span class=s>"Silenced"</span><span class=w> </span><span class=p>};</span>
</span><span id=__span-31-9><a id=__codelineno-31-9 name=__codelineno-31-9></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasNoneOfTags</span><span class=p>(</span><span class=n>crowdControlTags</span><span class=p>))</span>
</span><span id=__span-31-10><a id=__codelineno-31-10 name=__codelineno-31-10></a><span class=p>{</span>
</span><span id=__span-31-11><a id=__codelineno-31-11 name=__codelineno-31-11></a><span class=w> </span><span class=n>EnableAllAbilities</span><span class=p>();</span>
</span><span id=__span-31-12><a id=__codelineno-31-12 name=__codelineno-31-12></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=effecthandler-query-methods>EffectHandler Query Methods<a class=headerlink href=#effecthandler-query-methods title="Permanent link">¶</a></h3> <p><strong>Effect State Queries:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-32-1> 1</a></span>
<span class=normal><a href=#__codelineno-32-2> 2</a></span>
<span class=normal><a href=#__codelineno-32-3> 3</a></span>
<span class=normal><a href=#__codelineno-32-4> 4</a></span>
<span class=normal><a href=#__codelineno-32-5> 5</a></span>
<span class=normal><a href=#__codelineno-32-6> 6</a></span>
<span class=normal><a href=#__codelineno-32-7> 7</a></span>
<span class=normal><a href=#__codelineno-32-8> 8</a></span>
<span class=normal><a href=#__codelineno-32-9> 9</a></span>
<span class=normal><a href=#__codelineno-32-10>10</a></span>
<span class=normal><a href=#__codelineno-32-11>11</a></span>
<span class=normal><a href=#__codelineno-32-12>12</a></span>
<span class=normal><a href=#__codelineno-32-13>13</a></span>
<span class=normal><a href=#__codelineno-32-14>14</a></span>
<span class=normal><a href=#__codelineno-32-15>15</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-32-1><a id=__codelineno-32-1 name=__codelineno-32-1></a><span class=c1>// Check if a specific effect is currently active</span>
</span><span id=__span-32-2><a id=__codelineno-32-2 name=__codelineno-32-2></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>effectHandler</span><span class=p>.</span><span class=n>IsEffectActive</span><span class=p>(</span><span class=n>hasteEffect</span><span class=p>))</span>
</span><span id=__span-32-3><a id=__codelineno-32-3 name=__codelineno-32-3></a><span class=p>{</span>
</span><span id=__span-32-4><a id=__codelineno-32-4 name=__codelineno-32-4></a><span class=w> </span><span class=n>ShowHasteIndicator</span><span class=p>();</span>
</span><span id=__span-32-5><a id=__codelineno-32-5 name=__codelineno-32-5></a><span class=p>}</span>
</span><span id=__span-32-6><a id=__codelineno-32-6 name=__codelineno-32-6></a>
</span><span id=__span-32-7><a id=__codelineno-32-7 name=__codelineno-32-7></a><span class=c1>// Get the stack count for an effect</span>
</span><span id=__span-32-8><a id=__codelineno-32-8 name=__codelineno-32-8></a><span class=kt>int</span><span class=w> </span><span class=n>hasteStacks</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>effectHandler</span><span class=p>.</span><span class=n>GetEffectStackCount</span><span class=p>(</span><span class=n>hasteEffect</span><span class=p>);</span>
</span><span id=__span-32-9><a id=__codelineno-32-9 name=__codelineno-32-9></a><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>$"Haste stacks: {hasteStacks}"</span><span class=p>);</span>
</span><span id=__span-32-10><a id=__codelineno-32-10 name=__codelineno-32-10></a>
</span><span id=__span-32-11><a id=__codelineno-32-11 name=__codelineno-32-11></a><span class=c1>// Get remaining duration for a specific effect instance</span>
</span><span id=__span-32-12><a id=__codelineno-32-12 name=__codelineno-32-12></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>effectHandler</span><span class=p>.</span><span class=n>TryGetRemainingDuration</span><span class=p>(</span><span class=n>effectHandle</span><span class=p>,</span><span class=w> </span><span class=k>out</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>remaining</span><span class=p>))</span>
</span><span id=__span-32-13><a id=__codelineno-32-13 name=__codelineno-32-13></a><span class=p>{</span>
</span><span id=__span-32-14><a id=__codelineno-32-14 name=__codelineno-32-14></a><span class=w> </span><span class=n>UpdateDurationUI</span><span class=p>(</span><span class=n>remaining</span><span class=p>);</span>
</span><span id=__span-32-15><a id=__codelineno-32-15 name=__codelineno-32-15></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Effect Manipulation:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-33-1>1</a></span>
<span class=normal><a href=#__codelineno-33-2>2</a></span>
<span class=normal><a href=#__codelineno-33-3>3</a></span>
<span class=normal><a href=#__codelineno-33-4>4</a></span>
<span class=normal><a href=#__codelineno-33-5>5</a></span>
<span class=normal><a href=#__codelineno-33-6>6</a></span>
<span class=normal><a href=#__codelineno-33-7>7</a></span>
<span class=normal><a href=#__codelineno-33-8>8</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-33-1><a id=__codelineno-33-1 name=__codelineno-33-1></a><span class=c1>// Refresh an effect's duration</span>
</span><span id=__span-33-2><a id=__codelineno-33-2 name=__codelineno-33-2></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>effectHandler</span><span class=p>.</span><span class=n>RefreshEffect</span><span class=p>(</span><span class=n>effectHandle</span><span class=p>))</span>
</span><span id=__span-33-3><a id=__codelineno-33-3 name=__codelineno-33-3></a><span class=p>{</span>
</span><span id=__span-33-4><a id=__codelineno-33-4 name=__codelineno-33-4></a><span class=w> </span><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>"Effect duration refreshed"</span><span class=p>);</span>
</span><span id=__span-33-5><a id=__codelineno-33-5 name=__codelineno-33-5></a><span class=p>}</span>
</span><span id=__span-33-6><a id=__codelineno-33-6 name=__codelineno-33-6></a>
</span><span id=__span-33-7><a id=__codelineno-33-7 name=__codelineno-33-7></a><span class=c1>// Refresh effect ignoring reapplication policy</span>
</span><span id=__span-33-8><a id=__codelineno-33-8 name=__codelineno-33-8></a><span class=n>effectHandler</span><span class=p>.</span><span class=n>RefreshEffect</span><span class=p>(</span><span class=n>effectHandle</span><span class=p>,</span><span class=w> </span><span class=n>ignoreReapplicationPolicy</span><span class=p>:</span><span class=w> </span><span class=k>true</span><span class=p>);</span>
</span></code></pre></div></td></tr></table></div> <h2 id=faq>FAQ<a class=headerlink href=#faq title="Permanent link">¶</a></h2> <p>Q: Should I use an Attribute for CurrentHealth?</p> <ul> <li><strong>No!</strong> Use Attributes for values primarily modified by the effects system (MaxHealth, Speed, AttackDamage). CurrentHealth is modified by multiple systems (combat, healing, regeneration) and should be a regular field. See "Understanding Attributes: What to Model and What to Avoid" section above for details. Mixing direct mutations with effect modifications causes state conflicts and save/load bugs.</li> </ul> <p>Q: Why didn't I get an <code>EffectHandle</code>?</p> <ul> <li>Instant effects modify the base value permanently and do not return a handle (<code>null</code>). Duration/Infinite do.</li> </ul> <p>Q: Do modifications stack across multiple effects?</p> <ul> <li>Yes. Each <code>Attribute</code> applies all active modifications ordered by action: Addition → Multiplication → Override.</li> </ul> <p>Q: How do I remove just one instance of an effect?</p> <ul> <li>Keep the <code>EffectHandle</code> returned from <code>ApplyEffect</code> and pass it to <code>RemoveEffect(handle)</code>.</li> </ul> <p>Q: Two systems apply the same tag. Who owns removal?</p> <ul> <li>The tag is reference‑counted. Each application increments the count; removal decrements it. The tag is removed when the count reaches 0.</li> </ul> <p>Q: When should I use tags vs. checking stats?</p> <ul> <li>Use tags to represent categorical states (e.g., Stunned/Poisoned/Invulnerable) independent of numeric values. Check stats for numeric thresholds or calculations.</li> </ul> <p>Q: How do I check if an effect modifies a specific attribute?</p> <ul> <li>Use <code>effect.ModifiesAttribute("AttributeName")</code> to check if an effect contains modifications for a specific attribute, or <code>effect.GetModifications("AttributeName", buffer)</code> to retrieve all modifications for that attribute.</li> </ul> <p>Q: How do I query tag counts or check multiple tags at once?</p> <ul> <li>Use <code>TryGetTagCount(tag, out int count)</code> to get the active count for a tag, <code>HasAllTags(tags)</code> to check if all tags are active, or <code>HasNoneOfTags(tags)</code> to check if none are active.</li> </ul> <h2 id=troubleshooting>Troubleshooting<a class=headerlink href=#troubleshooting title="Permanent link">¶</a></h2> <ul> <li>Attribute name doesn’t apply</li> <li>Ensure the <code>attribute</code> field matches a public/private <code>Attribute</code> field name on an <code>AttributesComponent</code> subclass.</li> <li> <p>Regenerate the Attribute Metadata Cache to update editor dropdowns.</p> </li> <li> <p>Effect didn’t clean up cosmetics</p> </li> <li> <p>Confirm <code>RequiresInstance</code> is set correctly and components either clean up themselves (<code>CleansUpSelf</code>) or are destroyed by <code>EffectHandler</code>.</p> </li> <li> <p>Duration didn’t refresh on reapplication</p> </li> <li>Set <code>resetDurationOnReapplication = true</code> on the <code>AttributeEffect</code>.</li> </ul> <h2 id=advanced-scenarios-beyond-buffs-and-debuffs>Advanced Scenarios: Beyond Buffs and Debuffs<a class=headerlink href=#advanced-scenarios-beyond-buffs-and-debuffs title="Permanent link">¶</a></h2> <p>While the Effects System handles traditional buff/debuff mechanics well, it can also be used to build <strong>robust capability systems</strong> that drive complex gameplay decisions across your entire codebase. This section explores advanced patterns that use tags extensively for architectural purposes.</p> <h3 id=understanding-the-capability-pattern>Understanding the Capability Pattern<a class=headerlink href=#understanding-the-capability-pattern title="Permanent link">¶</a></h3> <p><strong>The Problem with Flags:</strong></p> <p>Many developers start with hardcoded boolean flags:</p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-34-1> 1</a></span>
<span class=normal><a href=#__codelineno-34-2> 2</a></span>
<span class=normal><a href=#__codelineno-34-3> 3</a></span>
<span class=normal><a href=#__codelineno-34-4> 4</a></span>
<span class=normal><a href=#__codelineno-34-5> 5</a></span>
<span class=normal><a href=#__codelineno-34-6> 6</a></span>
<span class=normal><a href=#__codelineno-34-7> 7</a></span>
<span class=normal><a href=#__codelineno-34-8> 8</a></span>
<span class=normal><a href=#__codelineno-34-9> 9</a></span>
<span class=normal><a href=#__codelineno-34-10>10</a></span>
<span class=normal><a href=#__codelineno-34-11>11</a></span>
<span class=normal><a href=#__codelineno-34-12>12</a></span>
<span class=normal><a href=#__codelineno-34-13>13</a></span>
<span class=normal><a href=#__codelineno-34-14>14</a></span>
<span class=normal><a href=#__codelineno-34-15>15</a></span>
<span class=normal><a href=#__codelineno-34-16>16</a></span>
<span class=normal><a href=#__codelineno-34-17>17</a></span>
<span class=normal><a href=#__codelineno-34-18>18</a></span>
<span class=normal><a href=#__codelineno-34-19>19</a></span>
<span class=normal><a href=#__codelineno-34-20>20</a></span>
<span class=normal><a href=#__codelineno-34-21>21</a></span>
<span class=normal><a href=#__codelineno-34-22>22</a></span>
<span class=normal><a href=#__codelineno-34-23>23</a></span>
<span class=normal><a href=#__codelineno-34-24>24</a></span>
<span class=normal><a href=#__codelineno-34-25>25</a></span>
<span class=normal><a href=#__codelineno-34-26>26</a></span>
<span class=normal><a href=#__codelineno-34-27>27</a></span>
<span class=normal><a href=#__codelineno-34-28>28</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-34-1><a id=__codelineno-34-1 name=__codelineno-34-1></a><span class=c1>// ❌ OLD WAY: Scattered boolean flags</span>
</span><span id=__span-34-2><a id=__codelineno-34-2 name=__codelineno-34-2></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>PlayerController</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-34-3><a id=__codelineno-34-3 name=__codelineno-34-3></a><span class=p>{</span>
</span><span id=__span-34-4><a id=__codelineno-34-4 name=__codelineno-34-4></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>isInvulnerable</span><span class=p>;</span>
</span><span id=__span-34-5><a id=__codelineno-34-5 name=__codelineno-34-5></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>canDash</span><span class=p>;</span>
</span><span id=__span-34-6><a id=__codelineno-34-6 name=__codelineno-34-6></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>hasDoubleJump</span><span class=p>;</span>
</span><span id=__span-34-7><a id=__codelineno-34-7 name=__codelineno-34-7></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>isInvisible</span><span class=p>;</span>
</span><span id=__span-34-8><a id=__codelineno-34-8 name=__codelineno-34-8></a><span class=w> </span><span class=c1>// 50+ booleans later...</span>
</span><span id=__span-34-9><a id=__codelineno-34-9 name=__codelineno-34-9></a>
</span><span id=__span-34-10><a id=__codelineno-34-10 name=__codelineno-34-10></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>TakeDamage</span><span class=p>(</span><span class=kt>float</span><span class=w> </span><span class=n>damage</span><span class=p>)</span>
</span><span id=__span-34-11><a id=__codelineno-34-11 name=__codelineno-34-11></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-34-12><a id=__codelineno-34-12 name=__codelineno-34-12></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>isInvulnerable</span><span class=p>)</span><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-34-13><a id=__codelineno-34-13 name=__codelineno-34-13></a><span class=w> </span><span class=c1>// ...</span>
</span><span id=__span-34-14><a id=__codelineno-34-14 name=__codelineno-34-14></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-34-15><a id=__codelineno-34-15 name=__codelineno-34-15></a>
</span><span id=__span-34-16><a id=__codelineno-34-16 name=__codelineno-34-16></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-34-17><a id=__codelineno-34-17 name=__codelineno-34-17></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-34-18><a id=__codelineno-34-18 name=__codelineno-34-18></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetKeyDown</span><span class=p>(</span><span class=n>KeyCode</span><span class=p>.</span><span class=n>Space</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>canDash</span><span class=p>)</span>
</span><span id=__span-34-19><a id=__codelineno-34-19 name=__codelineno-34-19></a><span class=w> </span><span class=n>Dash</span><span class=p>();</span>
</span><span id=__span-34-20><a id=__codelineno-34-20 name=__codelineno-34-20></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-34-21><a id=__codelineno-34-21 name=__codelineno-34-21></a><span class=p>}</span>
</span><span id=__span-34-22><a id=__codelineno-34-22 name=__codelineno-34-22></a>
</span><span id=__span-34-23><a id=__codelineno-34-23 name=__codelineno-34-23></a><span class=c1>// Problems:</span>
</span><span id=__span-34-24><a id=__codelineno-34-24 name=__codelineno-34-24></a><span class=c1>// 1. Every system needs direct references to check flags</span>
</span><span id=__span-34-25><a id=__codelineno-34-25 name=__codelineno-34-25></a><span class=c1>// 2. Adding temporary effects requires custom timers</span>
</span><span id=__span-34-26><a id=__codelineno-34-26 name=__codelineno-34-26></a><span class=c1>// 3. Multiple sources granting same capability = conflicts</span>
</span><span id=__span-34-27><a id=__codelineno-34-27 name=__codelineno-34-27></a><span class=c1>// 4. No centralized place to see what capabilities exist</span>
</span><span id=__span-34-28><a id=__codelineno-34-28 name=__codelineno-34-28></a><span class=c1>// 5. Difficult to debug "why can't I do X?"</span>
</span></code></pre></div></td></tr></table></div> <p><strong>The Solution - Tag-Based Capabilities:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-35-1> 1</a></span>
<span class=normal><a href=#__codelineno-35-2> 2</a></span>
<span class=normal><a href=#__codelineno-35-3> 3</a></span>
<span class=normal><a href=#__codelineno-35-4> 4</a></span>
<span class=normal><a href=#__codelineno-35-5> 5</a></span>
<span class=normal><a href=#__codelineno-35-6> 6</a></span>
<span class=normal><a href=#__codelineno-35-7> 7</a></span>
<span class=normal><a href=#__codelineno-35-8> 8</a></span>
<span class=normal><a href=#__codelineno-35-9> 9</a></span>
<span class=normal><a href=#__codelineno-35-10>10</a></span>
<span class=normal><a href=#__codelineno-35-11>11</a></span>
<span class=normal><a href=#__codelineno-35-12>12</a></span>
<span class=normal><a href=#__codelineno-35-13>13</a></span>
<span class=normal><a href=#__codelineno-35-14>14</a></span>
<span class=normal><a href=#__codelineno-35-15>15</a></span>
<span class=normal><a href=#__codelineno-35-16>16</a></span>
<span class=normal><a href=#__codelineno-35-17>17</a></span>
<span class=normal><a href=#__codelineno-35-18>18</a></span>
<span class=normal><a href=#__codelineno-35-19>19</a></span>
<span class=normal><a href=#__codelineno-35-20>20</a></span>
<span class=normal><a href=#__codelineno-35-21>21</a></span>
<span class=normal><a href=#__codelineno-35-22>22</a></span>
<span class=normal><a href=#__codelineno-35-23>23</a></span>
<span class=normal><a href=#__codelineno-35-24>24</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-35-1><a id=__codelineno-35-1 name=__codelineno-35-1></a><span class=c1>// ✅ NEW WAY: Tag-based capability system</span>
</span><span id=__span-35-2><a id=__codelineno-35-2 name=__codelineno-35-2></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>PlayerController</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-35-3><a id=__codelineno-35-3 name=__codelineno-35-3></a><span class=p>{</span>
</span><span id=__span-35-4><a id=__codelineno-35-4 name=__codelineno-35-4></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>TakeDamage</span><span class=p>(</span><span class=kt>float</span><span class=w> </span><span class=n>damage</span><span class=p>)</span>
</span><span id=__span-35-5><a id=__codelineno-35-5 name=__codelineno-35-5></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-35-6><a id=__codelineno-35-6 name=__codelineno-35-6></a><span class=w> </span><span class=c1>// Any system can grant "Invulnerable" tag</span>
</span><span id=__span-35-7><a id=__codelineno-35-7 name=__codelineno-35-7></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invulnerable"</span><span class=p>))</span><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-35-8><a id=__codelineno-35-8 name=__codelineno-35-8></a><span class=w> </span><span class=c1>// ...</span>
</span><span id=__span-35-9><a id=__codelineno-35-9 name=__codelineno-35-9></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-35-10><a id=__codelineno-35-10 name=__codelineno-35-10></a>
</span><span id=__span-35-11><a id=__codelineno-35-11 name=__codelineno-35-11></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-35-12><a id=__codelineno-35-12 name=__codelineno-35-12></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-35-13><a id=__codelineno-35-13 name=__codelineno-35-13></a><span class=w> </span><span class=c1>// Check capability before allowing action</span>
</span><span id=__span-35-14><a id=__codelineno-35-14 name=__codelineno-35-14></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetKeyDown</span><span class=p>(</span><span class=n>KeyCode</span><span class=p>.</span><span class=n>Space</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"CanDash"</span><span class=p>))</span>
</span><span id=__span-35-15><a id=__codelineno-35-15 name=__codelineno-35-15></a><span class=w> </span><span class=n>Dash</span><span class=p>();</span>
</span><span id=__span-35-16><a id=__codelineno-35-16 name=__codelineno-35-16></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-35-17><a id=__codelineno-35-17 name=__codelineno-35-17></a><span class=p>}</span>
</span><span id=__span-35-18><a id=__codelineno-35-18 name=__codelineno-35-18></a>
</span><span id=__span-35-19><a id=__codelineno-35-19 name=__codelineno-35-19></a><span class=c1>// Benefits:</span>
</span><span id=__span-35-20><a id=__codelineno-35-20 name=__codelineno-35-20></a><span class=c1>// 1. Decoupled - systems query tags, don't need direct references</span>
</span><span id=__span-35-21><a id=__codelineno-35-21 name=__codelineno-35-21></a><span class=c1>// 2. Multiple sources work automatically (reference-counted)</span>
</span><span id=__span-35-22><a id=__codelineno-35-22 name=__codelineno-35-22></a><span class=c1>// 3. Temporary effects are free - just apply/remove tag</span>
</span><span id=__span-35-23><a id=__codelineno-35-23 name=__codelineno-35-23></a><span class=c1>// 4. Debuggable - inspect TagHandler to see all active tags</span>
</span><span id=__span-35-24><a id=__codelineno-35-24 name=__codelineno-35-24></a><span class=c1>// 5. Designer-friendly - add capabilities via ScriptableObjects</span>
</span></code></pre></div></td></tr></table></div> <h3 id=when-to-use-this-pattern>When to Use This Pattern<a class=headerlink href=#when-to-use-this-pattern title="Permanent link">¶</a></h3> <p>✅ <strong>Well-suited for:</strong></p> <ul> <li><strong>State management</strong> - "Stunned", "Invisible", "Invulnerable", "Flying"</li> <li><strong>Capability gating</strong> - "CanDash", "CanDoubleJump", "CanCastSpells"</li> <li><strong>System coordination</strong> - "InCombat", "InCutscene", "InDialogue"</li> <li><strong>Permission systems</strong> - "HasQuestItem", "UnlockedArea", "CompletedTutorial"</li> <li><strong>AI behavior</strong> - "Aggressive", "Fleeing", "Alerted", "Patrolling"</li> <li><strong>Complex gameplay</strong> - "Burning", "Wet", "Electrified" (element interactions)</li> </ul> <p>❌ <strong>Not ideal for:</strong></p> <ul> <li><strong>Simple one-off checks</strong> - If you only check in one place, a boolean is fine</li> <li><strong>Continuous numeric values</strong> - Use Attributes for health, speed, damage</li> <li><strong>Performance-critical inner loops</strong> - Cache tag checks outside hot paths</li> </ul> <h3 id=pattern-1-invulnerability-system>Pattern 1: Invulnerability System<a class=headerlink href=#pattern-1-invulnerability-system title="Permanent link">¶</a></h3> <p><strong>The Problem:</strong> Many different sources need to grant invulnerability (power-ups, cutscenes, dash moves, debug mode). Without tags, you need complex logic to track all sources.</p> <p><strong>The Solution:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-36-1> 1</a></span>
<span class=normal><a href=#__codelineno-36-2> 2</a></span>
<span class=normal><a href=#__codelineno-36-3> 3</a></span>
<span class=normal><a href=#__codelineno-36-4> 4</a></span>
<span class=normal><a href=#__codelineno-36-5> 5</a></span>
<span class=normal><a href=#__codelineno-36-6> 6</a></span>
<span class=normal><a href=#__codelineno-36-7> 7</a></span>
<span class=normal><a href=#__codelineno-36-8> 8</a></span>
<span class=normal><a href=#__codelineno-36-9> 9</a></span>
<span class=normal><a href=#__codelineno-36-10> 10</a></span>
<span class=normal><a href=#__codelineno-36-11> 11</a></span>
<span class=normal><a href=#__codelineno-36-12> 12</a></span>
<span class=normal><a href=#__codelineno-36-13> 13</a></span>
<span class=normal><a href=#__codelineno-36-14> 14</a></span>
<span class=normal><a href=#__codelineno-36-15> 15</a></span>
<span class=normal><a href=#__codelineno-36-16> 16</a></span>
<span class=normal><a href=#__codelineno-36-17> 17</a></span>
<span class=normal><a href=#__codelineno-36-18> 18</a></span>
<span class=normal><a href=#__codelineno-36-19> 19</a></span>
<span class=normal><a href=#__codelineno-36-20> 20</a></span>
<span class=normal><a href=#__codelineno-36-21> 21</a></span>
<span class=normal><a href=#__codelineno-36-22> 22</a></span>
<span class=normal><a href=#__codelineno-36-23> 23</a></span>
<span class=normal><a href=#__codelineno-36-24> 24</a></span>
<span class=normal><a href=#__codelineno-36-25> 25</a></span>
<span class=normal><a href=#__codelineno-36-26> 26</a></span>
<span class=normal><a href=#__codelineno-36-27> 27</a></span>
<span class=normal><a href=#__codelineno-36-28> 28</a></span>
<span class=normal><a href=#__codelineno-36-29> 29</a></span>
<span class=normal><a href=#__codelineno-36-30> 30</a></span>
<span class=normal><a href=#__codelineno-36-31> 31</a></span>
<span class=normal><a href=#__codelineno-36-32> 32</a></span>
<span class=normal><a href=#__codelineno-36-33> 33</a></span>
<span class=normal><a href=#__codelineno-36-34> 34</a></span>
<span class=normal><a href=#__codelineno-36-35> 35</a></span>
<span class=normal><a href=#__codelineno-36-36> 36</a></span>
<span class=normal><a href=#__codelineno-36-37> 37</a></span>
<span class=normal><a href=#__codelineno-36-38> 38</a></span>
<span class=normal><a href=#__codelineno-36-39> 39</a></span>
<span class=normal><a href=#__codelineno-36-40> 40</a></span>
<span class=normal><a href=#__codelineno-36-41> 41</a></span>
<span class=normal><a href=#__codelineno-36-42> 42</a></span>
<span class=normal><a href=#__codelineno-36-43> 43</a></span>
<span class=normal><a href=#__codelineno-36-44> 44</a></span>
<span class=normal><a href=#__codelineno-36-45> 45</a></span>
<span class=normal><a href=#__codelineno-36-46> 46</a></span>
<span class=normal><a href=#__codelineno-36-47> 47</a></span>
<span class=normal><a href=#__codelineno-36-48> 48</a></span>
<span class=normal><a href=#__codelineno-36-49> 49</a></span>
<span class=normal><a href=#__codelineno-36-50> 50</a></span>
<span class=normal><a href=#__codelineno-36-51> 51</a></span>
<span class=normal><a href=#__codelineno-36-52> 52</a></span>
<span class=normal><a href=#__codelineno-36-53> 53</a></span>
<span class=normal><a href=#__codelineno-36-54> 54</a></span>
<span class=normal><a href=#__codelineno-36-55> 55</a></span>
<span class=normal><a href=#__codelineno-36-56> 56</a></span>
<span class=normal><a href=#__codelineno-36-57> 57</a></span>
<span class=normal><a href=#__codelineno-36-58> 58</a></span>
<span class=normal><a href=#__codelineno-36-59> 59</a></span>
<span class=normal><a href=#__codelineno-36-60> 60</a></span>
<span class=normal><a href=#__codelineno-36-61> 61</a></span>
<span class=normal><a href=#__codelineno-36-62> 62</a></span>
<span class=normal><a href=#__codelineno-36-63> 63</a></span>
<span class=normal><a href=#__codelineno-36-64> 64</a></span>
<span class=normal><a href=#__codelineno-36-65> 65</a></span>
<span class=normal><a href=#__codelineno-36-66> 66</a></span>
<span class=normal><a href=#__codelineno-36-67> 67</a></span>
<span class=normal><a href=#__codelineno-36-68> 68</a></span>
<span class=normal><a href=#__codelineno-36-69> 69</a></span>
<span class=normal><a href=#__codelineno-36-70> 70</a></span>
<span class=normal><a href=#__codelineno-36-71> 71</a></span>
<span class=normal><a href=#__codelineno-36-72> 72</a></span>
<span class=normal><a href=#__codelineno-36-73> 73</a></span>
<span class=normal><a href=#__codelineno-36-74> 74</a></span>
<span class=normal><a href=#__codelineno-36-75> 75</a></span>
<span class=normal><a href=#__codelineno-36-76> 76</a></span>
<span class=normal><a href=#__codelineno-36-77> 77</a></span>
<span class=normal><a href=#__codelineno-36-78> 78</a></span>
<span class=normal><a href=#__codelineno-36-79> 79</a></span>
<span class=normal><a href=#__codelineno-36-80> 80</a></span>
<span class=normal><a href=#__codelineno-36-81> 81</a></span>
<span class=normal><a href=#__codelineno-36-82> 82</a></span>
<span class=normal><a href=#__codelineno-36-83> 83</a></span>
<span class=normal><a href=#__codelineno-36-84> 84</a></span>
<span class=normal><a href=#__codelineno-36-85> 85</a></span>
<span class=normal><a href=#__codelineno-36-86> 86</a></span>
<span class=normal><a href=#__codelineno-36-87> 87</a></span>
<span class=normal><a href=#__codelineno-36-88> 88</a></span>
<span class=normal><a href=#__codelineno-36-89> 89</a></span>
<span class=normal><a href=#__codelineno-36-90> 90</a></span>
<span class=normal><a href=#__codelineno-36-91> 91</a></span>
<span class=normal><a href=#__codelineno-36-92> 92</a></span>
<span class=normal><a href=#__codelineno-36-93> 93</a></span>
<span class=normal><a href=#__codelineno-36-94> 94</a></span>
<span class=normal><a href=#__codelineno-36-95> 95</a></span>
<span class=normal><a href=#__codelineno-36-96> 96</a></span>
<span class=normal><a href=#__codelineno-36-97> 97</a></span>
<span class=normal><a href=#__codelineno-36-98> 98</a></span>
<span class=normal><a href=#__codelineno-36-99> 99</a></span>
<span class=normal><a href=#__codelineno-36-100>100</a></span>
<span class=normal><a href=#__codelineno-36-101>101</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-36-1><a id=__codelineno-36-1 name=__codelineno-36-1></a><span class=c1>// === Setup (done once by programmer) ===</span>
</span><span id=__span-36-2><a id=__codelineno-36-2 name=__codelineno-36-2></a>
</span><span id=__span-36-3><a id=__codelineno-36-3 name=__codelineno-36-3></a><span class=c1>// 1. Create invulnerability effects as ScriptableObjects</span>
</span><span id=__span-36-4><a id=__codelineno-36-4 name=__codelineno-36-4></a><span class=c1>// DashInvulnerability.asset:</span>
</span><span id=__span-36-5><a id=__codelineno-36-5 name=__codelineno-36-5></a><span class=c1>// - durationType: Duration (0.3 seconds)</span>
</span><span id=__span-36-6><a id=__codelineno-36-6 name=__codelineno-36-6></a><span class=c1>// - effectTags: ["Invulnerable", "Dashing"]</span>
</span><span id=__span-36-7><a id=__codelineno-36-7 name=__codelineno-36-7></a><span class=c1>// - cosmeticEffects: flash sprite white</span>
</span><span id=__span-36-8><a id=__codelineno-36-8 name=__codelineno-36-8></a>
</span><span id=__span-36-9><a id=__codelineno-36-9 name=__codelineno-36-9></a><span class=c1>// PowerStarInvulnerability.asset:</span>
</span><span id=__span-36-10><a id=__codelineno-36-10 name=__codelineno-36-10></a><span class=c1>// - durationType: Duration (10 seconds)</span>
</span><span id=__span-36-11><a id=__codelineno-36-11 name=__codelineno-36-11></a><span class=c1>// - effectTags: ["Invulnerable", "PowerStar"]</span>
</span><span id=__span-36-12><a id=__codelineno-36-12 name=__codelineno-36-12></a><span class=c1>// - cosmeticEffects: rainbow sparkles + music</span>
</span><span id=__span-36-13><a id=__codelineno-36-13 name=__codelineno-36-13></a>
</span><span id=__span-36-14><a id=__codelineno-36-14 name=__codelineno-36-14></a><span class=c1>// DebugInvulnerability.asset:</span>
</span><span id=__span-36-15><a id=__codelineno-36-15 name=__codelineno-36-15></a><span class=c1>// - durationType: Infinite</span>
</span><span id=__span-36-16><a id=__codelineno-36-16 name=__codelineno-36-16></a><span class=c1>// - effectTags: ["Invulnerable", "Debug"]</span>
</span><span id=__span-36-17><a id=__codelineno-36-17 name=__codelineno-36-17></a><span class=c1>// - cosmeticEffects: debug overlay</span>
</span><span id=__span-36-18><a id=__codelineno-36-18 name=__codelineno-36-18></a>
</span><span id=__span-36-19><a id=__codelineno-36-19 name=__codelineno-36-19></a><span class=c1>// === Usage (everywhere in codebase) ===</span>
</span><span id=__span-36-20><a id=__codelineno-36-20 name=__codelineno-36-20></a>
</span><span id=__span-36-21><a id=__codelineno-36-21 name=__codelineno-36-21></a><span class=c1>// Combat system</span>
</span><span id=__span-36-22><a id=__codelineno-36-22 name=__codelineno-36-22></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>CombatSystem</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-36-23><a id=__codelineno-36-23 name=__codelineno-36-23></a><span class=p>{</span>
</span><span id=__span-36-24><a id=__codelineno-36-24 name=__codelineno-36-24></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>TakeDamage</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>,</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>damage</span><span class=p>)</span>
</span><span id=__span-36-25><a id=__codelineno-36-25 name=__codelineno-36-25></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-26><a id=__codelineno-36-26 name=__codelineno-36-26></a><span class=w> </span><span class=c1>// One simple check - doesn't care WHY they're invulnerable</span>
</span><span id=__span-36-27><a id=__codelineno-36-27 name=__codelineno-36-27></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invulnerable"</span><span class=p>))</span>
</span><span id=__span-36-28><a id=__codelineno-36-28 name=__codelineno-36-28></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-29><a id=__codelineno-36-29 name=__codelineno-36-29></a><span class=w> </span><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>"Target is invulnerable!"</span><span class=p>);</span>
</span><span id=__span-36-30><a id=__codelineno-36-30 name=__codelineno-36-30></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-36-31><a id=__codelineno-36-31 name=__codelineno-36-31></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-32><a id=__codelineno-36-32 name=__codelineno-36-32></a>
</span><span id=__span-36-33><a id=__codelineno-36-33 name=__codelineno-36-33></a><span class=w> </span><span class=c1>// Apply damage...</span>
</span><span id=__span-36-34><a id=__codelineno-36-34 name=__codelineno-36-34></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-35><a id=__codelineno-36-35 name=__codelineno-36-35></a><span class=p>}</span>
</span><span id=__span-36-36><a id=__codelineno-36-36 name=__codelineno-36-36></a>
</span><span id=__span-36-37><a id=__codelineno-36-37 name=__codelineno-36-37></a><span class=c1>// Player dash ability</span>
</span><span id=__span-36-38><a id=__codelineno-36-38 name=__codelineno-36-38></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>DashAbility</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-36-39><a id=__codelineno-36-39 name=__codelineno-36-39></a><span class=p>{</span>
</span><span id=__span-36-40><a id=__codelineno-36-40 name=__codelineno-36-40></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>dashInvulnerability</span><span class=p>;</span>
</span><span id=__span-36-41><a id=__codelineno-36-41 name=__codelineno-36-41></a>
</span><span id=__span-36-42><a id=__codelineno-36-42 name=__codelineno-36-42></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Dash</span><span class=p>()</span>
</span><span id=__span-36-43><a id=__codelineno-36-43 name=__codelineno-36-43></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-44><a id=__codelineno-36-44 name=__codelineno-36-44></a><span class=w> </span><span class=c1>// Grant 0.3s of invulnerability during dash</span>
</span><span id=__span-36-45><a id=__codelineno-36-45 name=__codelineno-36-45></a><span class=w> </span><span class=k>this</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>dashInvulnerability</span><span class=p>);</span>
</span><span id=__span-36-46><a id=__codelineno-36-46 name=__codelineno-36-46></a><span class=w> </span><span class=c1>// Automatically removed after 0.3s</span>
</span><span id=__span-36-47><a id=__codelineno-36-47 name=__codelineno-36-47></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-48><a id=__codelineno-36-48 name=__codelineno-36-48></a><span class=p>}</span>
</span><span id=__span-36-49><a id=__codelineno-36-49 name=__codelineno-36-49></a>
</span><span id=__span-36-50><a id=__codelineno-36-50 name=__codelineno-36-50></a><span class=c1>// Debug menu</span>
</span><span id=__span-36-51><a id=__codelineno-36-51 name=__codelineno-36-51></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>DebugMenu</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-36-52><a id=__codelineno-36-52 name=__codelineno-36-52></a><span class=p>{</span>
</span><span id=__span-36-53><a id=__codelineno-36-53 name=__codelineno-36-53></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>debugInvulnerability</span><span class=p>;</span>
</span><span id=__span-36-54><a id=__codelineno-36-54 name=__codelineno-36-54></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>EffectHandle</span><span class=o>?</span><span class=w> </span><span class=n>debugHandle</span><span class=p>;</span>
</span><span id=__span-36-55><a id=__codelineno-36-55 name=__codelineno-36-55></a>
</span><span id=__span-36-56><a id=__codelineno-36-56 name=__codelineno-36-56></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>ToggleInvulnerability</span><span class=p>()</span>
</span><span id=__span-36-57><a id=__codelineno-36-57 name=__codelineno-36-57></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-58><a id=__codelineno-36-58 name=__codelineno-36-58></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>debugHandle</span><span class=p>.</span><span class=n>HasValue</span><span class=p>)</span>
</span><span id=__span-36-59><a id=__codelineno-36-59 name=__codelineno-36-59></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-60><a id=__codelineno-36-60 name=__codelineno-36-60></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>RemoveEffect</span><span class=p>(</span><span class=n>debugHandle</span><span class=p>.</span><span class=n>Value</span><span class=p>);</span>
</span><span id=__span-36-61><a id=__codelineno-36-61 name=__codelineno-36-61></a><span class=w> </span><span class=n>debugHandle</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>null</span><span class=p>;</span>
</span><span id=__span-36-62><a id=__codelineno-36-62 name=__codelineno-36-62></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-63><a id=__codelineno-36-63 name=__codelineno-36-63></a><span class=w> </span><span class=k>else</span>
</span><span id=__span-36-64><a id=__codelineno-36-64 name=__codelineno-36-64></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-65><a id=__codelineno-36-65 name=__codelineno-36-65></a><span class=w> </span><span class=n>debugHandle</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>debugInvulnerability</span><span class=p>);</span>
</span><span id=__span-36-66><a id=__codelineno-36-66 name=__codelineno-36-66></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-67><a id=__codelineno-36-67 name=__codelineno-36-67></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-68><a id=__codelineno-36-68 name=__codelineno-36-68></a><span class=p>}</span>
</span><span id=__span-36-69><a id=__codelineno-36-69 name=__codelineno-36-69></a>
</span><span id=__span-36-70><a id=__codelineno-36-70 name=__codelineno-36-70></a><span class=c1>// Cutscene controller</span>
</span><span id=__span-36-71><a id=__codelineno-36-71 name=__codelineno-36-71></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>CutsceneController</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-36-72><a id=__codelineno-36-72 name=__codelineno-36-72></a><span class=p>{</span>
</span><span id=__span-36-73><a id=__codelineno-36-73 name=__codelineno-36-73></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>cutsceneInvulnerability</span><span class=p>;</span>
</span><span id=__span-36-74><a id=__codelineno-36-74 name=__codelineno-36-74></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>EffectHandle</span><span class=o>?</span><span class=w> </span><span class=n>cutsceneHandle</span><span class=p>;</span>
</span><span id=__span-36-75><a id=__codelineno-36-75 name=__codelineno-36-75></a>
</span><span id=__span-36-76><a id=__codelineno-36-76 name=__codelineno-36-76></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>StartCutscene</span><span class=p>()</span>
</span><span id=__span-36-77><a id=__codelineno-36-77 name=__codelineno-36-77></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-78><a id=__codelineno-36-78 name=__codelineno-36-78></a><span class=w> </span><span class=c1>// Prevent player from taking damage during cutscenes</span>
</span><span id=__span-36-79><a id=__codelineno-36-79 name=__codelineno-36-79></a><span class=w> </span><span class=n>cutsceneHandle</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>cutsceneInvulnerability</span><span class=p>);</span>
</span><span id=__span-36-80><a id=__codelineno-36-80 name=__codelineno-36-80></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-81><a id=__codelineno-36-81 name=__codelineno-36-81></a>
</span><span id=__span-36-82><a id=__codelineno-36-82 name=__codelineno-36-82></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>EndCutscene</span><span class=p>()</span>
</span><span id=__span-36-83><a id=__codelineno-36-83 name=__codelineno-36-83></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-84><a id=__codelineno-36-84 name=__codelineno-36-84></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>cutsceneHandle</span><span class=p>.</span><span class=n>HasValue</span><span class=p>)</span>
</span><span id=__span-36-85><a id=__codelineno-36-85 name=__codelineno-36-85></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>RemoveEffect</span><span class=p>(</span><span class=n>cutsceneHandle</span><span class=p>.</span><span class=n>Value</span><span class=p>);</span>
</span><span id=__span-36-86><a id=__codelineno-36-86 name=__codelineno-36-86></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-87><a id=__codelineno-36-87 name=__codelineno-36-87></a><span class=p>}</span>
</span><span id=__span-36-88><a id=__codelineno-36-88 name=__codelineno-36-88></a>
</span><span id=__span-36-89><a id=__codelineno-36-89 name=__codelineno-36-89></a><span class=c1>// AI system</span>
</span><span id=__span-36-90><a id=__codelineno-36-90 name=__codelineno-36-90></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>EnemyAI</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-36-91><a id=__codelineno-36-91 name=__codelineno-36-91></a><span class=p>{</span>
</span><span id=__span-36-92><a id=__codelineno-36-92 name=__codelineno-36-92></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>ChooseTarget</span><span class=p>()</span>
</span><span id=__span-36-93><a id=__codelineno-36-93 name=__codelineno-36-93></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-36-94><a id=__codelineno-36-94 name=__codelineno-36-94></a><span class=w> </span><span class=c1>// Don't waste time attacking invulnerable targets</span>
</span><span id=__span-36-95><a id=__codelineno-36-95 name=__codelineno-36-95></a><span class=w> </span><span class=n>List</span><span class=o><</span><span class=n>GameObject</span><span class=o>></span><span class=w> </span><span class=n>validTargets</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>allTargets</span>
</span><span id=__span-36-96><a id=__codelineno-36-96 name=__codelineno-36-96></a><span class=w> </span><span class=p>.</span><span class=n>Where</span><span class=p>(</span><span class=n>t</span><span class=w> </span><span class=o>=></span><span class=w> </span><span class=o>!</span><span class=n>t</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invulnerable"</span><span class=p>))</span>
</span><span id=__span-36-97><a id=__codelineno-36-97 name=__codelineno-36-97></a><span class=w> </span><span class=p>.</span><span class=n>ToList</span><span class=p>();</span>
</span><span id=__span-36-98><a id=__codelineno-36-98 name=__codelineno-36-98></a>
</span><span id=__span-36-99><a id=__codelineno-36-99 name=__codelineno-36-99></a><span class=w> </span><span class=c1>// Attack closest valid target...</span>
</span><span id=__span-36-100><a id=__codelineno-36-100 name=__codelineno-36-100></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-36-101><a id=__codelineno-36-101 name=__codelineno-36-101></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Why This Works:</strong></p> <ul> <li>✅ <strong>Multiple sources</strong> - Dash, power-ups, debug mode all grant invulnerability independently</li> <li>✅ <strong>Reference-counted</strong> - All sources must end before invulnerability is removed</li> <li>✅ <strong>Decoupled</strong> - The combat system doesn't know about dash, debug, or cutscene systems</li> <li>✅ <strong>Designer-friendly</strong> - Create new invulnerability sources without code changes</li> <li>✅ <strong>Debuggable</strong> - Inspect TagHandler to see exactly why someone is invulnerable</li> </ul> <p><strong>Common Pitfall to Avoid:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-37-1> 1</a></span>
<span class=normal><a href=#__codelineno-37-2> 2</a></span>
<span class=normal><a href=#__codelineno-37-3> 3</a></span>
<span class=normal><a href=#__codelineno-37-4> 4</a></span>
<span class=normal><a href=#__codelineno-37-5> 5</a></span>
<span class=normal><a href=#__codelineno-37-6> 6</a></span>
<span class=normal><a href=#__codelineno-37-7> 7</a></span>
<span class=normal><a href=#__codelineno-37-8> 8</a></span>
<span class=normal><a href=#__codelineno-37-9> 9</a></span>
<span class=normal><a href=#__codelineno-37-10>10</a></span>
<span class=normal><a href=#__codelineno-37-11>11</a></span>
<span class=normal><a href=#__codelineno-37-12>12</a></span>
<span class=normal><a href=#__codelineno-37-13>13</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-37-1><a id=__codelineno-37-1 name=__codelineno-37-1></a><span class=c1>// ❌ DON'T: Check multiple specific tags</span>
</span><span id=__span-37-2><a id=__codelineno-37-2 name=__codelineno-37-2></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"DashInvulnerable"</span><span class=p>)</span><span class=w> </span><span class=o>||</span>
</span><span id=__span-37-3><a id=__codelineno-37-3 name=__codelineno-37-3></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"PowerStarInvulnerable"</span><span class=p>)</span><span class=w> </span><span class=o>||</span>
</span><span id=__span-37-4><a id=__codelineno-37-4 name=__codelineno-37-4></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"DebugInvulnerable"</span><span class=p>))</span>
</span><span id=__span-37-5><a id=__codelineno-37-5 name=__codelineno-37-5></a><span class=p>{</span>
</span><span id=__span-37-6><a id=__codelineno-37-6 name=__codelineno-37-6></a><span class=w> </span><span class=c1>// Now you need to update this everywhere you add a new invulnerability source!</span>
</span><span id=__span-37-7><a id=__codelineno-37-7 name=__codelineno-37-7></a><span class=p>}</span>
</span><span id=__span-37-8><a id=__codelineno-37-8 name=__codelineno-37-8></a>
</span><span id=__span-37-9><a id=__codelineno-37-9 name=__codelineno-37-9></a><span class=c1>// ✅ DO: Check one general capability tag</span>
</span><span id=__span-37-10><a id=__codelineno-37-10 name=__codelineno-37-10></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invulnerable"</span><span class=p>))</span>
</span><span id=__span-37-11><a id=__codelineno-37-11 name=__codelineno-37-11></a><span class=p>{</span>
</span><span id=__span-37-12><a id=__codelineno-37-12 name=__codelineno-37-12></a><span class=w> </span><span class=c1>// Works with all current and future invulnerability sources</span>
</span><span id=__span-37-13><a id=__codelineno-37-13 name=__codelineno-37-13></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h3 id=pattern-2-complex-ai-decision-making>Pattern 2: Complex AI Decision-Making<a class=headerlink href=#pattern-2-complex-ai-decision-making title="Permanent link">¶</a></h3> <p><strong>The Problem:</strong> AI needs to make decisions based on complex state (player stealth, environmental conditions, buffs, etc.). Without a unified system, you end up with brittle if/else chains.</p> <p><strong>The Solution:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-38-1> 1</a></span>
<span class=normal><a href=#__codelineno-38-2> 2</a></span>
<span class=normal><a href=#__codelineno-38-3> 3</a></span>
<span class=normal><a href=#__codelineno-38-4> 4</a></span>
<span class=normal><a href=#__codelineno-38-5> 5</a></span>
<span class=normal><a href=#__codelineno-38-6> 6</a></span>
<span class=normal><a href=#__codelineno-38-7> 7</a></span>
<span class=normal><a href=#__codelineno-38-8> 8</a></span>
<span class=normal><a href=#__codelineno-38-9> 9</a></span>
<span class=normal><a href=#__codelineno-38-10>10</a></span>
<span class=normal><a href=#__codelineno-38-11>11</a></span>
<span class=normal><a href=#__codelineno-38-12>12</a></span>
<span class=normal><a href=#__codelineno-38-13>13</a></span>
<span class=normal><a href=#__codelineno-38-14>14</a></span>
<span class=normal><a href=#__codelineno-38-15>15</a></span>
<span class=normal><a href=#__codelineno-38-16>16</a></span>
<span class=normal><a href=#__codelineno-38-17>17</a></span>
<span class=normal><a href=#__codelineno-38-18>18</a></span>
<span class=normal><a href=#__codelineno-38-19>19</a></span>
<span class=normal><a href=#__codelineno-38-20>20</a></span>
<span class=normal><a href=#__codelineno-38-21>21</a></span>
<span class=normal><a href=#__codelineno-38-22>22</a></span>
<span class=normal><a href=#__codelineno-38-23>23</a></span>
<span class=normal><a href=#__codelineno-38-24>24</a></span>
<span class=normal><a href=#__codelineno-38-25>25</a></span>
<span class=normal><a href=#__codelineno-38-26>26</a></span>
<span class=normal><a href=#__codelineno-38-27>27</a></span>
<span class=normal><a href=#__codelineno-38-28>28</a></span>
<span class=normal><a href=#__codelineno-38-29>29</a></span>
<span class=normal><a href=#__codelineno-38-30>30</a></span>
<span class=normal><a href=#__codelineno-38-31>31</a></span>
<span class=normal><a href=#__codelineno-38-32>32</a></span>
<span class=normal><a href=#__codelineno-38-33>33</a></span>
<span class=normal><a href=#__codelineno-38-34>34</a></span>
<span class=normal><a href=#__codelineno-38-35>35</a></span>
<span class=normal><a href=#__codelineno-38-36>36</a></span>
<span class=normal><a href=#__codelineno-38-37>37</a></span>
<span class=normal><a href=#__codelineno-38-38>38</a></span>
<span class=normal><a href=#__codelineno-38-39>39</a></span>
<span class=normal><a href=#__codelineno-38-40>40</a></span>
<span class=normal><a href=#__codelineno-38-41>41</a></span>
<span class=normal><a href=#__codelineno-38-42>42</a></span>
<span class=normal><a href=#__codelineno-38-43>43</a></span>
<span class=normal><a href=#__codelineno-38-44>44</a></span>
<span class=normal><a href=#__codelineno-38-45>45</a></span>
<span class=normal><a href=#__codelineno-38-46>46</a></span>
<span class=normal><a href=#__codelineno-38-47>47</a></span>
<span class=normal><a href=#__codelineno-38-48>48</a></span>
<span class=normal><a href=#__codelineno-38-49>49</a></span>
<span class=normal><a href=#__codelineno-38-50>50</a></span>
<span class=normal><a href=#__codelineno-38-51>51</a></span>
<span class=normal><a href=#__codelineno-38-52>52</a></span>
<span class=normal><a href=#__codelineno-38-53>53</a></span>
<span class=normal><a href=#__codelineno-38-54>54</a></span>
<span class=normal><a href=#__codelineno-38-55>55</a></span>
<span class=normal><a href=#__codelineno-38-56>56</a></span>
<span class=normal><a href=#__codelineno-38-57>57</a></span>
<span class=normal><a href=#__codelineno-38-58>58</a></span>
<span class=normal><a href=#__codelineno-38-59>59</a></span>
<span class=normal><a href=#__codelineno-38-60>60</a></span>
<span class=normal><a href=#__codelineno-38-61>61</a></span>
<span class=normal><a href=#__codelineno-38-62>62</a></span>
<span class=normal><a href=#__codelineno-38-63>63</a></span>
<span class=normal><a href=#__codelineno-38-64>64</a></span>
<span class=normal><a href=#__codelineno-38-65>65</a></span>
<span class=normal><a href=#__codelineno-38-66>66</a></span>
<span class=normal><a href=#__codelineno-38-67>67</a></span>
<span class=normal><a href=#__codelineno-38-68>68</a></span>
<span class=normal><a href=#__codelineno-38-69>69</a></span>
<span class=normal><a href=#__codelineno-38-70>70</a></span>
<span class=normal><a href=#__codelineno-38-71>71</a></span>
<span class=normal><a href=#__codelineno-38-72>72</a></span>
<span class=normal><a href=#__codelineno-38-73>73</a></span>
<span class=normal><a href=#__codelineno-38-74>74</a></span>
<span class=normal><a href=#__codelineno-38-75>75</a></span>
<span class=normal><a href=#__codelineno-38-76>76</a></span>
<span class=normal><a href=#__codelineno-38-77>77</a></span>
<span class=normal><a href=#__codelineno-38-78>78</a></span>
<span class=normal><a href=#__codelineno-38-79>79</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-38-1><a id=__codelineno-38-1 name=__codelineno-38-1></a><span class=c1>// === Setup effects that grant capability tags ===</span>
</span><span id=__span-38-2><a id=__codelineno-38-2 name=__codelineno-38-2></a>
</span><span id=__span-38-3><a id=__codelineno-38-3 name=__codelineno-38-3></a><span class=c1>// Stealth.asset:</span>
</span><span id=__span-38-4><a id=__codelineno-38-4 name=__codelineno-38-4></a><span class=c1>// - effectTags: ["Invisible", "Stealthy"]</span>
</span><span id=__span-38-5><a id=__codelineno-38-5 name=__codelineno-38-5></a><span class=c1>// - modifications: (none - just tags)</span>
</span><span id=__span-38-6><a id=__codelineno-38-6 name=__codelineno-38-6></a>
</span><span id=__span-38-7><a id=__codelineno-38-7 name=__codelineno-38-7></a><span class=c1>// InWater.asset:</span>
</span><span id=__span-38-8><a id=__codelineno-38-8 name=__codelineno-38-8></a><span class=c1>// - effectTags: ["Wet", "Swimming"]</span>
</span><span id=__span-38-9><a id=__codelineno-38-9 name=__codelineno-38-9></a><span class=c1>// - modifications: Speed × 0.5</span>
</span><span id=__span-38-10><a id=__codelineno-38-10 name=__codelineno-38-10></a>
</span><span id=__span-38-11><a id=__codelineno-38-11 name=__codelineno-38-11></a><span class=c1>// OnFire.asset:</span>
</span><span id=__span-38-12><a id=__codelineno-38-12 name=__codelineno-38-12></a><span class=c1>// - effectTags: ["Burning", "OnFire"]</span>
</span><span id=__span-38-13><a id=__codelineno-38-13 name=__codelineno-38-13></a><span class=c1>// - modifications: Health + (-5 per second)</span>
</span><span id=__span-38-14><a id=__codelineno-38-14 name=__codelineno-38-14></a>
</span><span id=__span-38-15><a id=__codelineno-38-15 name=__codelineno-38-15></a><span class=c1>// === AI uses tags to make robust decisions ===</span>
</span><span id=__span-38-16><a id=__codelineno-38-16 name=__codelineno-38-16></a>
</span><span id=__span-38-17><a id=__codelineno-38-17 name=__codelineno-38-17></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>EnemyAI</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-38-18><a id=__codelineno-38-18 name=__codelineno-38-18></a><span class=p>{</span>
</span><span id=__span-38-19><a id=__codelineno-38-19 name=__codelineno-38-19></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>UpdateAI</span><span class=p>()</span>
</span><span id=__span-38-20><a id=__codelineno-38-20 name=__codelineno-38-20></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-38-21><a id=__codelineno-38-21 name=__codelineno-38-21></a><span class=w> </span><span class=n>GameObject</span><span class=w> </span><span class=n>player</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>FindPlayer</span><span class=p>();</span>
</span><span id=__span-38-22><a id=__codelineno-38-22 name=__codelineno-38-22></a>
</span><span id=__span-38-23><a id=__codelineno-38-23 name=__codelineno-38-23></a><span class=w> </span><span class=c1>// 1. Visibility checks</span>
</span><span id=__span-38-24><a id=__codelineno-38-24 name=__codelineno-38-24></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invisible"</span><span class=p>))</span>
</span><span id=__span-38-25><a id=__codelineno-38-25 name=__codelineno-38-25></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-38-26><a id=__codelineno-38-26 name=__codelineno-38-26></a><span class=w> </span><span class=c1>// Can't see invisible targets - use last known position</span>
</span><span id=__span-38-27><a id=__codelineno-38-27 name=__codelineno-38-27></a><span class=w> </span><span class=n>PatrolToLastKnownPosition</span><span class=p>();</span>
</span><span id=__span-38-28><a id=__codelineno-38-28 name=__codelineno-38-28></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-38-29><a id=__codelineno-38-29 name=__codelineno-38-29></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-38-30><a id=__codelineno-38-30 name=__codelineno-38-30></a>
</span><span id=__span-38-31><a id=__codelineno-38-31 name=__codelineno-38-31></a><span class=w> </span><span class=c1>// 2. Threat assessment</span>
</span><span id=__span-38-32><a id=__codelineno-38-32 name=__codelineno-38-32></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invulnerable"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"PowerStar"</span><span class=p>))</span>
</span><span id=__span-38-33><a id=__codelineno-38-33 name=__codelineno-38-33></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-38-34><a id=__codelineno-38-34 name=__codelineno-38-34></a><span class=w> </span><span class=c1>// Player is powered up - flee!</span>
</span><span id=__span-38-35><a id=__codelineno-38-35 name=__codelineno-38-35></a><span class=w> </span><span class=n>Flee</span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>transform</span><span class=p>.</span><span class=n>position</span><span class=p>);</span>
</span><span id=__span-38-36><a id=__codelineno-38-36 name=__codelineno-38-36></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-38-37><a id=__codelineno-38-37 name=__codelineno-38-37></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-38-38><a id=__codelineno-38-38 name=__codelineno-38-38></a>
</span><span id=__span-38-39><a id=__codelineno-38-39 name=__codelineno-38-39></a><span class=w> </span><span class=c1>// 3. Environmental awareness</span>
</span><span id=__span-38-40><a id=__codelineno-38-40 name=__codelineno-38-40></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Burning"</span><span class=p>))</span>
</span><span id=__span-38-41><a id=__codelineno-38-41 name=__codelineno-38-41></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-38-42><a id=__codelineno-38-42 name=__codelineno-38-42></a><span class=w> </span><span class=c1>// On fire - prioritize finding water</span>
</span><span id=__span-38-43><a id=__codelineno-38-43 name=__codelineno-38-43></a><span class=w> </span><span class=n>GameObject</span><span class=w> </span><span class=n>water</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>FindNearestWater</span><span class=p>();</span>
</span><span id=__span-38-44><a id=__codelineno-38-44 name=__codelineno-38-44></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>water</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=k>null</span><span class=p>)</span>
</span><span id=__span-38-45><a id=__codelineno-38-45 name=__codelineno-38-45></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-38-46><a id=__codelineno-38-46 name=__codelineno-38-46></a><span class=w> </span><span class=n>MoveTowards</span><span class=p>(</span><span class=n>water</span><span class=p>.</span><span class=n>transform</span><span class=p>.</span><span class=n>position</span><span class=p>);</span>
</span><span id=__span-38-47><a id=__codelineno-38-47 name=__codelineno-38-47></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-38-48><a id=__codelineno-38-48 name=__codelineno-38-48></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-38-49><a id=__codelineno-38-49 name=__codelineno-38-49></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-38-50><a id=__codelineno-38-50 name=__codelineno-38-50></a>
</span><span id=__span-38-51><a id=__codelineno-38-51 name=__codelineno-38-51></a><span class=w> </span><span class=c1>// 4. Tactical decisions</span>
</span><span id=__span-38-52><a id=__codelineno-38-52 name=__codelineno-38-52></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Stunned"</span><span class=p>)</span><span class=w> </span><span class=o>||</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Slowed"</span><span class=p>))</span>
</span><span id=__span-38-53><a id=__codelineno-38-53 name=__codelineno-38-53></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-38-54><a id=__codelineno-38-54 name=__codelineno-38-54></a><span class=w> </span><span class=c1>// Player is vulnerable - aggressive pursuit</span>
</span><span id=__span-38-55><a id=__codelineno-38-55 name=__codelineno-38-55></a><span class=w> </span><span class=n>AggressiveAttack</span><span class=p>(</span><span class=n>player</span><span class=p>);</span>
</span><span id=__span-38-56><a id=__codelineno-38-56 name=__codelineno-38-56></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-38-57><a id=__codelineno-38-57 name=__codelineno-38-57></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-38-58><a id=__codelineno-38-58 name=__codelineno-38-58></a>
</span><span id=__span-38-59><a id=__codelineno-38-59 name=__codelineno-38-59></a><span class=w> </span><span class=c1>// 5. Element interactions</span>
</span><span id=__span-38-60><a id=__codelineno-38-60 name=__codelineno-38-60></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Wet"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"ElectricWeapon"</span><span class=p>))</span>
</span><span id=__span-38-61><a id=__codelineno-38-61 name=__codelineno-38-61></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-38-62><a id=__codelineno-38-62 name=__codelineno-38-62></a><span class=w> </span><span class=c1>// We're wet and player has electric weapon - dangerous!</span>
</span><span id=__span-38-63><a id=__codelineno-38-63 name=__codelineno-38-63></a><span class=w> </span><span class=n>MaintainDistance</span><span class=p>(</span><span class=n>player</span><span class=p>,</span><span class=w> </span><span class=n>minDistance</span><span class=p>:</span><span class=w> </span><span class=mf>10f</span><span class=p>);</span>
</span><span id=__span-38-64><a id=__codelineno-38-64 name=__codelineno-38-64></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-38-65><a id=__codelineno-38-65 name=__codelineno-38-65></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-38-66><a id=__codelineno-38-66 name=__codelineno-38-66></a>
</span><span id=__span-38-67><a id=__codelineno-38-67 name=__codelineno-38-67></a><span class=w> </span><span class=c1>// Default behavior</span>
</span><span id=__span-38-68><a id=__codelineno-38-68 name=__codelineno-38-68></a><span class=w> </span><span class=n>ChaseAndAttack</span><span class=p>(</span><span class=n>player</span><span class=p>);</span>
</span><span id=__span-38-69><a id=__codelineno-38-69 name=__codelineno-38-69></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-38-70><a id=__codelineno-38-70 name=__codelineno-38-70></a>
</span><span id=__span-38-71><a id=__codelineno-38-71 name=__codelineno-38-71></a><span class=w> </span><span class=c1>// Helper: Check multiple conditions easily</span>
</span><span id=__span-38-72><a id=__codelineno-38-72 name=__codelineno-38-72></a><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=nf>CanEngageInCombat</span><span class=p>()</span>
</span><span id=__span-38-73><a id=__codelineno-38-73 name=__codelineno-38-73></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-38-74><a id=__codelineno-38-74 name=__codelineno-38-74></a><span class=w> </span><span class=c1>// Can't fight if we're stunned, fleeing, or in a cutscene</span>
</span><span id=__span-38-75><a id=__codelineno-38-75 name=__codelineno-38-75></a><span class=w> </span><span class=k>return</span><span class=w> </span><span class=o>!</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Stunned"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span>
</span><span id=__span-38-76><a id=__codelineno-38-76 name=__codelineno-38-76></a><span class=w> </span><span class=o>!</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Fleeing"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span>
</span><span id=__span-38-77><a id=__codelineno-38-77 name=__codelineno-38-77></a><span class=w> </span><span class=o>!</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"InCutscene"</span><span class=p>);</span>
</span><span id=__span-38-78><a id=__codelineno-38-78 name=__codelineno-38-78></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-38-79><a id=__codelineno-38-79 name=__codelineno-38-79></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Why This Works:</strong></p> <ul> <li>✅ <strong>Readable</strong> - AI logic is self-documenting ("if player is invisible")</li> <li>✅ <strong>Extensible</strong> - Add new capabilities without modifying AI code</li> <li>✅ <strong>Composable</strong> - Combine multiple tags for complex conditions</li> <li>✅ <strong>Testable</strong> - Apply tags in tests to verify AI behavior</li> <li>✅ <strong>Designer-friendly</strong> - Designers can create new effects that AI automatically responds to</li> </ul> <h3 id=pattern-3-permission-and-unlock-systems>Pattern 3: Permission and Unlock Systems<a class=headerlink href=#pattern-3-permission-and-unlock-systems title="Permanent link">¶</a></h3> <p><strong>The Problem:</strong> Games have many gated systems (abilities, areas, features). Tracking all unlockables with individual booleans becomes unwieldy.</p> <p><strong>The Solution:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-39-1> 1</a></span>
<span class=normal><a href=#__codelineno-39-2> 2</a></span>
<span class=normal><a href=#__codelineno-39-3> 3</a></span>
<span class=normal><a href=#__codelineno-39-4> 4</a></span>
<span class=normal><a href=#__codelineno-39-5> 5</a></span>
<span class=normal><a href=#__codelineno-39-6> 6</a></span>
<span class=normal><a href=#__codelineno-39-7> 7</a></span>
<span class=normal><a href=#__codelineno-39-8> 8</a></span>
<span class=normal><a href=#__codelineno-39-9> 9</a></span>
<span class=normal><a href=#__codelineno-39-10> 10</a></span>
<span class=normal><a href=#__codelineno-39-11> 11</a></span>
<span class=normal><a href=#__codelineno-39-12> 12</a></span>
<span class=normal><a href=#__codelineno-39-13> 13</a></span>
<span class=normal><a href=#__codelineno-39-14> 14</a></span>
<span class=normal><a href=#__codelineno-39-15> 15</a></span>
<span class=normal><a href=#__codelineno-39-16> 16</a></span>
<span class=normal><a href=#__codelineno-39-17> 17</a></span>
<span class=normal><a href=#__codelineno-39-18> 18</a></span>
<span class=normal><a href=#__codelineno-39-19> 19</a></span>
<span class=normal><a href=#__codelineno-39-20> 20</a></span>
<span class=normal><a href=#__codelineno-39-21> 21</a></span>
<span class=normal><a href=#__codelineno-39-22> 22</a></span>
<span class=normal><a href=#__codelineno-39-23> 23</a></span>
<span class=normal><a href=#__codelineno-39-24> 24</a></span>
<span class=normal><a href=#__codelineno-39-25> 25</a></span>
<span class=normal><a href=#__codelineno-39-26> 26</a></span>
<span class=normal><a href=#__codelineno-39-27> 27</a></span>
<span class=normal><a href=#__codelineno-39-28> 28</a></span>
<span class=normal><a href=#__codelineno-39-29> 29</a></span>
<span class=normal><a href=#__codelineno-39-30> 30</a></span>
<span class=normal><a href=#__codelineno-39-31> 31</a></span>
<span class=normal><a href=#__codelineno-39-32> 32</a></span>
<span class=normal><a href=#__codelineno-39-33> 33</a></span>
<span class=normal><a href=#__codelineno-39-34> 34</a></span>
<span class=normal><a href=#__codelineno-39-35> 35</a></span>
<span class=normal><a href=#__codelineno-39-36> 36</a></span>
<span class=normal><a href=#__codelineno-39-37> 37</a></span>
<span class=normal><a href=#__codelineno-39-38> 38</a></span>
<span class=normal><a href=#__codelineno-39-39> 39</a></span>
<span class=normal><a href=#__codelineno-39-40> 40</a></span>
<span class=normal><a href=#__codelineno-39-41> 41</a></span>
<span class=normal><a href=#__codelineno-39-42> 42</a></span>
<span class=normal><a href=#__codelineno-39-43> 43</a></span>
<span class=normal><a href=#__codelineno-39-44> 44</a></span>
<span class=normal><a href=#__codelineno-39-45> 45</a></span>
<span class=normal><a href=#__codelineno-39-46> 46</a></span>
<span class=normal><a href=#__codelineno-39-47> 47</a></span>
<span class=normal><a href=#__codelineno-39-48> 48</a></span>
<span class=normal><a href=#__codelineno-39-49> 49</a></span>
<span class=normal><a href=#__codelineno-39-50> 50</a></span>
<span class=normal><a href=#__codelineno-39-51> 51</a></span>
<span class=normal><a href=#__codelineno-39-52> 52</a></span>
<span class=normal><a href=#__codelineno-39-53> 53</a></span>
<span class=normal><a href=#__codelineno-39-54> 54</a></span>
<span class=normal><a href=#__codelineno-39-55> 55</a></span>
<span class=normal><a href=#__codelineno-39-56> 56</a></span>
<span class=normal><a href=#__codelineno-39-57> 57</a></span>
<span class=normal><a href=#__codelineno-39-58> 58</a></span>
<span class=normal><a href=#__codelineno-39-59> 59</a></span>
<span class=normal><a href=#__codelineno-39-60> 60</a></span>
<span class=normal><a href=#__codelineno-39-61> 61</a></span>
<span class=normal><a href=#__codelineno-39-62> 62</a></span>
<span class=normal><a href=#__codelineno-39-63> 63</a></span>
<span class=normal><a href=#__codelineno-39-64> 64</a></span>
<span class=normal><a href=#__codelineno-39-65> 65</a></span>
<span class=normal><a href=#__codelineno-39-66> 66</a></span>
<span class=normal><a href=#__codelineno-39-67> 67</a></span>
<span class=normal><a href=#__codelineno-39-68> 68</a></span>
<span class=normal><a href=#__codelineno-39-69> 69</a></span>
<span class=normal><a href=#__codelineno-39-70> 70</a></span>
<span class=normal><a href=#__codelineno-39-71> 71</a></span>
<span class=normal><a href=#__codelineno-39-72> 72</a></span>
<span class=normal><a href=#__codelineno-39-73> 73</a></span>
<span class=normal><a href=#__codelineno-39-74> 74</a></span>
<span class=normal><a href=#__codelineno-39-75> 75</a></span>
<span class=normal><a href=#__codelineno-39-76> 76</a></span>
<span class=normal><a href=#__codelineno-39-77> 77</a></span>
<span class=normal><a href=#__codelineno-39-78> 78</a></span>
<span class=normal><a href=#__codelineno-39-79> 79</a></span>
<span class=normal><a href=#__codelineno-39-80> 80</a></span>
<span class=normal><a href=#__codelineno-39-81> 81</a></span>
<span class=normal><a href=#__codelineno-39-82> 82</a></span>
<span class=normal><a href=#__codelineno-39-83> 83</a></span>
<span class=normal><a href=#__codelineno-39-84> 84</a></span>
<span class=normal><a href=#__codelineno-39-85> 85</a></span>
<span class=normal><a href=#__codelineno-39-86> 86</a></span>
<span class=normal><a href=#__codelineno-39-87> 87</a></span>
<span class=normal><a href=#__codelineno-39-88> 88</a></span>
<span class=normal><a href=#__codelineno-39-89> 89</a></span>
<span class=normal><a href=#__codelineno-39-90> 90</a></span>
<span class=normal><a href=#__codelineno-39-91> 91</a></span>
<span class=normal><a href=#__codelineno-39-92> 92</a></span>
<span class=normal><a href=#__codelineno-39-93> 93</a></span>
<span class=normal><a href=#__codelineno-39-94> 94</a></span>
<span class=normal><a href=#__codelineno-39-95> 95</a></span>
<span class=normal><a href=#__codelineno-39-96> 96</a></span>
<span class=normal><a href=#__codelineno-39-97> 97</a></span>
<span class=normal><a href=#__codelineno-39-98> 98</a></span>
<span class=normal><a href=#__codelineno-39-99> 99</a></span>
<span class=normal><a href=#__codelineno-39-100>100</a></span>
<span class=normal><a href=#__codelineno-39-101>101</a></span>
<span class=normal><a href=#__codelineno-39-102>102</a></span>
<span class=normal><a href=#__codelineno-39-103>103</a></span>
<span class=normal><a href=#__codelineno-39-104>104</a></span>
<span class=normal><a href=#__codelineno-39-105>105</a></span>
<span class=normal><a href=#__codelineno-39-106>106</a></span>
<span class=normal><a href=#__codelineno-39-107>107</a></span>
<span class=normal><a href=#__codelineno-39-108>108</a></span>
<span class=normal><a href=#__codelineno-39-109>109</a></span>
<span class=normal><a href=#__codelineno-39-110>110</a></span>
<span class=normal><a href=#__codelineno-39-111>111</a></span>
<span class=normal><a href=#__codelineno-39-112>112</a></span>
<span class=normal><a href=#__codelineno-39-113>113</a></span>
<span class=normal><a href=#__codelineno-39-114>114</a></span>
<span class=normal><a href=#__codelineno-39-115>115</a></span>
<span class=normal><a href=#__codelineno-39-116>116</a></span>
<span class=normal><a href=#__codelineno-39-117>117</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-39-1><a id=__codelineno-39-1 name=__codelineno-39-1></a><span class=c1>// === Setup unlock effects ===</span>
</span><span id=__span-39-2><a id=__codelineno-39-2 name=__codelineno-39-2></a>
</span><span id=__span-39-3><a id=__codelineno-39-3 name=__codelineno-39-3></a><span class=c1>// UnlockDoubleJump.asset:</span>
</span><span id=__span-39-4><a id=__codelineno-39-4 name=__codelineno-39-4></a><span class=c1>// - durationType: Infinite (permanent unlock)</span>
</span><span id=__span-39-5><a id=__codelineno-39-5 name=__codelineno-39-5></a><span class=c1>// - effectTags: ["CanDoubleJump", "HasUpgrade"]</span>
</span><span id=__span-39-6><a id=__codelineno-39-6 name=__codelineno-39-6></a>
</span><span id=__span-39-7><a id=__codelineno-39-7 name=__codelineno-39-7></a><span class=c1>// QuestKeyItem.asset:</span>
</span><span id=__span-39-8><a id=__codelineno-39-8 name=__codelineno-39-8></a><span class=c1>// - durationType: Infinite</span>
</span><span id=__span-39-9><a id=__codelineno-39-9 name=__codelineno-39-9></a><span class=c1>// - effectTags: ["HasKeyItem", "CanEnterDungeon"]</span>
</span><span id=__span-39-10><a id=__codelineno-39-10 name=__codelineno-39-10></a>
</span><span id=__span-39-11><a id=__codelineno-39-11 name=__codelineno-39-11></a><span class=c1>// TutorialComplete.asset:</span>
</span><span id=__span-39-12><a id=__codelineno-39-12 name=__codelineno-39-12></a><span class=c1>// - durationType: Infinite</span>
</span><span id=__span-39-13><a id=__codelineno-39-13 name=__codelineno-39-13></a><span class=c1>// - effectTags: ["TutorialComplete", "CanAccessMultiplayer"]</span>
</span><span id=__span-39-14><a id=__codelineno-39-14 name=__codelineno-39-14></a>
</span><span id=__span-39-15><a id=__codelineno-39-15 name=__codelineno-39-15></a><span class=c1>// === Usage throughout game systems ===</span>
</span><span id=__span-39-16><a id=__codelineno-39-16 name=__codelineno-39-16></a>
</span><span id=__span-39-17><a id=__codelineno-39-17 name=__codelineno-39-17></a><span class=c1>// Ability system</span>
</span><span id=__span-39-18><a id=__codelineno-39-18 name=__codelineno-39-18></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>PlayerAbilities</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-39-19><a id=__codelineno-39-19 name=__codelineno-39-19></a><span class=p>{</span>
</span><span id=__span-39-20><a id=__codelineno-39-20 name=__codelineno-39-20></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-39-21><a id=__codelineno-39-21 name=__codelineno-39-21></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-22><a id=__codelineno-39-22 name=__codelineno-39-22></a><span class=w> </span><span class=c1>// Jump</span>
</span><span id=__span-39-23><a id=__codelineno-39-23 name=__codelineno-39-23></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetKeyDown</span><span class=p>(</span><span class=n>KeyCode</span><span class=p>.</span><span class=n>Space</span><span class=p>))</span>
</span><span id=__span-39-24><a id=__codelineno-39-24 name=__codelineno-39-24></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-25><a id=__codelineno-39-25 name=__codelineno-39-25></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>isGrounded</span><span class=p>)</span>
</span><span id=__span-39-26><a id=__codelineno-39-26 name=__codelineno-39-26></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-27><a id=__codelineno-39-27 name=__codelineno-39-27></a><span class=w> </span><span class=n>Jump</span><span class=p>();</span>
</span><span id=__span-39-28><a id=__codelineno-39-28 name=__codelineno-39-28></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-29><a id=__codelineno-39-29 name=__codelineno-39-29></a><span class=w> </span><span class=c1>// Double jump only works if unlocked</span>
</span><span id=__span-39-30><a id=__codelineno-39-30 name=__codelineno-39-30></a><span class=w> </span><span class=k>else</span><span class=w> </span><span class=nf>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"CanDoubleJump"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=o>!</span><span class=n>hasUsedDoubleJump</span><span class=p>)</span>
</span><span id=__span-39-31><a id=__codelineno-39-31 name=__codelineno-39-31></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-32><a id=__codelineno-39-32 name=__codelineno-39-32></a><span class=w> </span><span class=n>Jump</span><span class=p>();</span>
</span><span id=__span-39-33><a id=__codelineno-39-33 name=__codelineno-39-33></a><span class=w> </span><span class=n>hasUsedDoubleJump</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>true</span><span class=p>;</span>
</span><span id=__span-39-34><a id=__codelineno-39-34 name=__codelineno-39-34></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-35><a id=__codelineno-39-35 name=__codelineno-39-35></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-36><a id=__codelineno-39-36 name=__codelineno-39-36></a>
</span><span id=__span-39-37><a id=__codelineno-39-37 name=__codelineno-39-37></a><span class=w> </span><span class=c1>// Dash</span>
</span><span id=__span-39-38><a id=__codelineno-39-38 name=__codelineno-39-38></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetKeyDown</span><span class=p>(</span><span class=n>KeyCode</span><span class=p>.</span><span class=n>LeftShift</span><span class=p>))</span>
</span><span id=__span-39-39><a id=__codelineno-39-39 name=__codelineno-39-39></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-40><a id=__codelineno-39-40 name=__codelineno-39-40></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"CanDash"</span><span class=p>))</span>
</span><span id=__span-39-41><a id=__codelineno-39-41 name=__codelineno-39-41></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-42><a id=__codelineno-39-42 name=__codelineno-39-42></a><span class=w> </span><span class=n>Dash</span><span class=p>();</span>
</span><span id=__span-39-43><a id=__codelineno-39-43 name=__codelineno-39-43></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-44><a id=__codelineno-39-44 name=__codelineno-39-44></a><span class=w> </span><span class=k>else</span>
</span><span id=__span-39-45><a id=__codelineno-39-45 name=__codelineno-39-45></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-46><a id=__codelineno-39-46 name=__codelineno-39-46></a><span class=w> </span><span class=n>ShowMessage</span><span class=p>(</span><span class=s>"Unlock dash ability first!"</span><span class=p>);</span>
</span><span id=__span-39-47><a id=__codelineno-39-47 name=__codelineno-39-47></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-48><a id=__codelineno-39-48 name=__codelineno-39-48></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-49><a id=__codelineno-39-49 name=__codelineno-39-49></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-50><a id=__codelineno-39-50 name=__codelineno-39-50></a><span class=p>}</span>
</span><span id=__span-39-51><a id=__codelineno-39-51 name=__codelineno-39-51></a>
</span><span id=__span-39-52><a id=__codelineno-39-52 name=__codelineno-39-52></a><span class=c1>// Level gate</span>
</span><span id=__span-39-53><a id=__codelineno-39-53 name=__codelineno-39-53></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>DungeonGate</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-39-54><a id=__codelineno-39-54 name=__codelineno-39-54></a><span class=p>{</span>
</span><span id=__span-39-55><a id=__codelineno-39-55 name=__codelineno-39-55></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnTriggerEnter2D</span><span class=p>(</span><span class=n>Collider2D</span><span class=w> </span><span class=n>other</span><span class=p>)</span>
</span><span id=__span-39-56><a id=__codelineno-39-56 name=__codelineno-39-56></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-57><a id=__codelineno-39-57 name=__codelineno-39-57></a><span class=w> </span><span class=n>GameObject</span><span class=w> </span><span class=n>player</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>other</span><span class=p>.</span><span class=n>gameObject</span><span class=p>;</span>
</span><span id=__span-39-58><a id=__codelineno-39-58 name=__codelineno-39-58></a>
</span><span id=__span-39-59><a id=__codelineno-39-59 name=__codelineno-39-59></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"HasKeyItem"</span><span class=p>))</span>
</span><span id=__span-39-60><a id=__codelineno-39-60 name=__codelineno-39-60></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-61><a id=__codelineno-39-61 name=__codelineno-39-61></a><span class=w> </span><span class=c1>// Has the key - open gate</span>
</span><span id=__span-39-62><a id=__codelineno-39-62 name=__codelineno-39-62></a><span class=w> </span><span class=n>OpenGate</span><span class=p>();</span>
</span><span id=__span-39-63><a id=__codelineno-39-63 name=__codelineno-39-63></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-64><a id=__codelineno-39-64 name=__codelineno-39-64></a><span class=w> </span><span class=k>else</span>
</span><span id=__span-39-65><a id=__codelineno-39-65 name=__codelineno-39-65></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-66><a id=__codelineno-39-66 name=__codelineno-39-66></a><span class=w> </span><span class=c1>// Missing key - show hint</span>
</span><span id=__span-39-67><a id=__codelineno-39-67 name=__codelineno-39-67></a><span class=w> </span><span class=n>ShowMessage</span><span class=p>(</span><span class=s>"You need the Ancient Key to enter."</span><span class=p>);</span>
</span><span id=__span-39-68><a id=__codelineno-39-68 name=__codelineno-39-68></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-69><a id=__codelineno-39-69 name=__codelineno-39-69></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-70><a id=__codelineno-39-70 name=__codelineno-39-70></a><span class=p>}</span>
</span><span id=__span-39-71><a id=__codelineno-39-71 name=__codelineno-39-71></a>
</span><span id=__span-39-72><a id=__codelineno-39-72 name=__codelineno-39-72></a><span class=c1>// UI system</span>
</span><span id=__span-39-73><a id=__codelineno-39-73 name=__codelineno-39-73></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>MainMenuUI</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-39-74><a id=__codelineno-39-74 name=__codelineno-39-74></a><span class=p>{</span>
</span><span id=__span-39-75><a id=__codelineno-39-75 name=__codelineno-39-75></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>Button</span><span class=w> </span><span class=n>multiplayerButton</span><span class=p>;</span>
</span><span id=__span-39-76><a id=__codelineno-39-76 name=__codelineno-39-76></a>
</span><span id=__span-39-77><a id=__codelineno-39-77 name=__codelineno-39-77></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-39-78><a id=__codelineno-39-78 name=__codelineno-39-78></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-79><a id=__codelineno-39-79 name=__codelineno-39-79></a><span class=w> </span><span class=c1>// Disable multiplayer until tutorial is complete</span>
</span><span id=__span-39-80><a id=__codelineno-39-80 name=__codelineno-39-80></a><span class=w> </span><span class=n>multiplayerButton</span><span class=p>.</span><span class=n>interactable</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"TutorialComplete"</span><span class=p>);</span>
</span><span id=__span-39-81><a id=__codelineno-39-81 name=__codelineno-39-81></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-82><a id=__codelineno-39-82 name=__codelineno-39-82></a><span class=p>}</span>
</span><span id=__span-39-83><a id=__codelineno-39-83 name=__codelineno-39-83></a>
</span><span id=__span-39-84><a id=__codelineno-39-84 name=__codelineno-39-84></a><span class=c1>// Save system</span>
</span><span id=__span-39-85><a id=__codelineno-39-85 name=__codelineno-39-85></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>SaveSystem</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-39-86><a id=__codelineno-39-86 name=__codelineno-39-86></a><span class=p>{</span>
</span><span id=__span-39-87><a id=__codelineno-39-87 name=__codelineno-39-87></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=n>SaveData</span><span class=w> </span><span class=nf>CreateSaveData</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>player</span><span class=p>)</span>
</span><span id=__span-39-88><a id=__codelineno-39-88 name=__codelineno-39-88></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-89><a id=__codelineno-39-89 name=__codelineno-39-89></a><span class=w> </span><span class=c1>// Save all permanent unlocks</span>
</span><span id=__span-39-90><a id=__codelineno-39-90 name=__codelineno-39-90></a><span class=w> </span><span class=kt>var</span><span class=w> </span><span class=n>saveData</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=w> </span><span class=n>SaveData</span>
</span><span id=__span-39-91><a id=__codelineno-39-91 name=__codelineno-39-91></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-92><a id=__codelineno-39-92 name=__codelineno-39-92></a><span class=w> </span><span class=n>unlockedAbilities</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=w> </span><span class=n>List</span><span class=o><</span><span class=kt>string</span><span class=o>></span><span class=p>()</span>
</span><span id=__span-39-93><a id=__codelineno-39-93 name=__codelineno-39-93></a><span class=w> </span><span class=p>};</span>
</span><span id=__span-39-94><a id=__codelineno-39-94 name=__codelineno-39-94></a>
</span><span id=__span-39-95><a id=__codelineno-39-95 name=__codelineno-39-95></a><span class=w> </span><span class=c1>// Check all capability tags</span>
</span><span id=__span-39-96><a id=__codelineno-39-96 name=__codelineno-39-96></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"CanDoubleJump"</span><span class=p>))</span>
</span><span id=__span-39-97><a id=__codelineno-39-97 name=__codelineno-39-97></a><span class=w> </span><span class=n>saveData</span><span class=p>.</span><span class=n>unlockedAbilities</span><span class=p>.</span><span class=n>Add</span><span class=p>(</span><span class=s>"DoubleJump"</span><span class=p>);</span>
</span><span id=__span-39-98><a id=__codelineno-39-98 name=__codelineno-39-98></a>
</span><span id=__span-39-99><a id=__codelineno-39-99 name=__codelineno-39-99></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"CanDash"</span><span class=p>))</span>
</span><span id=__span-39-100><a id=__codelineno-39-100 name=__codelineno-39-100></a><span class=w> </span><span class=n>saveData</span><span class=p>.</span><span class=n>unlockedAbilities</span><span class=p>.</span><span class=n>Add</span><span class=p>(</span><span class=s>"Dash"</span><span class=p>);</span>
</span><span id=__span-39-101><a id=__codelineno-39-101 name=__codelineno-39-101></a>
</span><span id=__span-39-102><a id=__codelineno-39-102 name=__codelineno-39-102></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"HasKeyItem"</span><span class=p>))</span>
</span><span id=__span-39-103><a id=__codelineno-39-103 name=__codelineno-39-103></a><span class=w> </span><span class=n>saveData</span><span class=p>.</span><span class=n>unlockedAbilities</span><span class=p>.</span><span class=n>Add</span><span class=p>(</span><span class=s>"KeyItem"</span><span class=p>);</span>
</span><span id=__span-39-104><a id=__codelineno-39-104 name=__codelineno-39-104></a>
</span><span id=__span-39-105><a id=__codelineno-39-105 name=__codelineno-39-105></a><span class=w> </span><span class=k>return</span><span class=w> </span><span class=n>saveData</span><span class=p>;</span>
</span><span id=__span-39-106><a id=__codelineno-39-106 name=__codelineno-39-106></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-107><a id=__codelineno-39-107 name=__codelineno-39-107></a>
</span><span id=__span-39-108><a id=__codelineno-39-108 name=__codelineno-39-108></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>LoadSaveData</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>player</span><span class=p>,</span><span class=w> </span><span class=n>SaveData</span><span class=w> </span><span class=n>saveData</span><span class=p>)</span>
</span><span id=__span-39-109><a id=__codelineno-39-109 name=__codelineno-39-109></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-110><a id=__codelineno-39-110 name=__codelineno-39-110></a><span class=w> </span><span class=c1>// Reapply permanent unlocks</span>
</span><span id=__span-39-111><a id=__codelineno-39-111 name=__codelineno-39-111></a><span class=w> </span><span class=k>foreach</span><span class=w> </span><span class=p>(</span><span class=kt>string</span><span class=w> </span><span class=n>ability</span><span class=w> </span><span class=k>in</span><span class=w> </span><span class=n>saveData</span><span class=p>.</span><span class=n>unlockedAbilities</span><span class=p>)</span>
</span><span id=__span-39-112><a id=__codelineno-39-112 name=__codelineno-39-112></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-39-113><a id=__codelineno-39-113 name=__codelineno-39-113></a><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>unlock</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>LoadUnlockEffect</span><span class=p>(</span><span class=n>ability</span><span class=p>);</span>
</span><span id=__span-39-114><a id=__codelineno-39-114 name=__codelineno-39-114></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>unlock</span><span class=p>);</span>
</span><span id=__span-39-115><a id=__codelineno-39-115 name=__codelineno-39-115></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-116><a id=__codelineno-39-116 name=__codelineno-39-116></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-39-117><a id=__codelineno-39-117 name=__codelineno-39-117></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Why This Works:</strong></p> <ul> <li>✅ <strong>Persistent</strong> - Infinite duration effects work like permanent flags</li> <li>✅ <strong>Serializable</strong> - Easy to save/load by checking tags</li> <li>✅ <strong>Discoverable</strong> - Inspect TagHandler to see all unlockables</li> <li>✅ <strong>No hardcoded strings</strong> - Create unlock effects as assets</li> <li>✅ <strong>Prevents duplication</strong> - Reference-counting handles multiple unlock sources</li> </ul> <h3 id=pattern-4-elemental-interaction-systems>Pattern 4: Elemental Interaction Systems<a class=headerlink href=#pattern-4-elemental-interaction-systems title="Permanent link">¶</a></h3> <p><strong>The Problem:</strong> Complex element systems (wet + electric = shock, burning + ice = extinguish) require tracking multiple states and their interactions.</p> <p><strong>The Solution:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-40-1> 1</a></span>
<span class=normal><a href=#__codelineno-40-2> 2</a></span>
<span class=normal><a href=#__codelineno-40-3> 3</a></span>
<span class=normal><a href=#__codelineno-40-4> 4</a></span>
<span class=normal><a href=#__codelineno-40-5> 5</a></span>
<span class=normal><a href=#__codelineno-40-6> 6</a></span>
<span class=normal><a href=#__codelineno-40-7> 7</a></span>
<span class=normal><a href=#__codelineno-40-8> 8</a></span>
<span class=normal><a href=#__codelineno-40-9> 9</a></span>
<span class=normal><a href=#__codelineno-40-10> 10</a></span>
<span class=normal><a href=#__codelineno-40-11> 11</a></span>
<span class=normal><a href=#__codelineno-40-12> 12</a></span>
<span class=normal><a href=#__codelineno-40-13> 13</a></span>
<span class=normal><a href=#__codelineno-40-14> 14</a></span>
<span class=normal><a href=#__codelineno-40-15> 15</a></span>
<span class=normal><a href=#__codelineno-40-16> 16</a></span>
<span class=normal><a href=#__codelineno-40-17> 17</a></span>
<span class=normal><a href=#__codelineno-40-18> 18</a></span>
<span class=normal><a href=#__codelineno-40-19> 19</a></span>
<span class=normal><a href=#__codelineno-40-20> 20</a></span>
<span class=normal><a href=#__codelineno-40-21> 21</a></span>
<span class=normal><a href=#__codelineno-40-22> 22</a></span>
<span class=normal><a href=#__codelineno-40-23> 23</a></span>
<span class=normal><a href=#__codelineno-40-24> 24</a></span>
<span class=normal><a href=#__codelineno-40-25> 25</a></span>
<span class=normal><a href=#__codelineno-40-26> 26</a></span>
<span class=normal><a href=#__codelineno-40-27> 27</a></span>
<span class=normal><a href=#__codelineno-40-28> 28</a></span>
<span class=normal><a href=#__codelineno-40-29> 29</a></span>
<span class=normal><a href=#__codelineno-40-30> 30</a></span>
<span class=normal><a href=#__codelineno-40-31> 31</a></span>
<span class=normal><a href=#__codelineno-40-32> 32</a></span>
<span class=normal><a href=#__codelineno-40-33> 33</a></span>
<span class=normal><a href=#__codelineno-40-34> 34</a></span>
<span class=normal><a href=#__codelineno-40-35> 35</a></span>
<span class=normal><a href=#__codelineno-40-36> 36</a></span>
<span class=normal><a href=#__codelineno-40-37> 37</a></span>
<span class=normal><a href=#__codelineno-40-38> 38</a></span>
<span class=normal><a href=#__codelineno-40-39> 39</a></span>
<span class=normal><a href=#__codelineno-40-40> 40</a></span>
<span class=normal><a href=#__codelineno-40-41> 41</a></span>
<span class=normal><a href=#__codelineno-40-42> 42</a></span>
<span class=normal><a href=#__codelineno-40-43> 43</a></span>
<span class=normal><a href=#__codelineno-40-44> 44</a></span>
<span class=normal><a href=#__codelineno-40-45> 45</a></span>
<span class=normal><a href=#__codelineno-40-46> 46</a></span>
<span class=normal><a href=#__codelineno-40-47> 47</a></span>
<span class=normal><a href=#__codelineno-40-48> 48</a></span>
<span class=normal><a href=#__codelineno-40-49> 49</a></span>
<span class=normal><a href=#__codelineno-40-50> 50</a></span>
<span class=normal><a href=#__codelineno-40-51> 51</a></span>
<span class=normal><a href=#__codelineno-40-52> 52</a></span>
<span class=normal><a href=#__codelineno-40-53> 53</a></span>
<span class=normal><a href=#__codelineno-40-54> 54</a></span>
<span class=normal><a href=#__codelineno-40-55> 55</a></span>
<span class=normal><a href=#__codelineno-40-56> 56</a></span>
<span class=normal><a href=#__codelineno-40-57> 57</a></span>
<span class=normal><a href=#__codelineno-40-58> 58</a></span>
<span class=normal><a href=#__codelineno-40-59> 59</a></span>
<span class=normal><a href=#__codelineno-40-60> 60</a></span>
<span class=normal><a href=#__codelineno-40-61> 61</a></span>
<span class=normal><a href=#__codelineno-40-62> 62</a></span>
<span class=normal><a href=#__codelineno-40-63> 63</a></span>
<span class=normal><a href=#__codelineno-40-64> 64</a></span>
<span class=normal><a href=#__codelineno-40-65> 65</a></span>
<span class=normal><a href=#__codelineno-40-66> 66</a></span>
<span class=normal><a href=#__codelineno-40-67> 67</a></span>
<span class=normal><a href=#__codelineno-40-68> 68</a></span>
<span class=normal><a href=#__codelineno-40-69> 69</a></span>
<span class=normal><a href=#__codelineno-40-70> 70</a></span>
<span class=normal><a href=#__codelineno-40-71> 71</a></span>
<span class=normal><a href=#__codelineno-40-72> 72</a></span>
<span class=normal><a href=#__codelineno-40-73> 73</a></span>
<span class=normal><a href=#__codelineno-40-74> 74</a></span>
<span class=normal><a href=#__codelineno-40-75> 75</a></span>
<span class=normal><a href=#__codelineno-40-76> 76</a></span>
<span class=normal><a href=#__codelineno-40-77> 77</a></span>
<span class=normal><a href=#__codelineno-40-78> 78</a></span>
<span class=normal><a href=#__codelineno-40-79> 79</a></span>
<span class=normal><a href=#__codelineno-40-80> 80</a></span>
<span class=normal><a href=#__codelineno-40-81> 81</a></span>
<span class=normal><a href=#__codelineno-40-82> 82</a></span>
<span class=normal><a href=#__codelineno-40-83> 83</a></span>
<span class=normal><a href=#__codelineno-40-84> 84</a></span>
<span class=normal><a href=#__codelineno-40-85> 85</a></span>
<span class=normal><a href=#__codelineno-40-86> 86</a></span>
<span class=normal><a href=#__codelineno-40-87> 87</a></span>
<span class=normal><a href=#__codelineno-40-88> 88</a></span>
<span class=normal><a href=#__codelineno-40-89> 89</a></span>
<span class=normal><a href=#__codelineno-40-90> 90</a></span>
<span class=normal><a href=#__codelineno-40-91> 91</a></span>
<span class=normal><a href=#__codelineno-40-92> 92</a></span>
<span class=normal><a href=#__codelineno-40-93> 93</a></span>
<span class=normal><a href=#__codelineno-40-94> 94</a></span>
<span class=normal><a href=#__codelineno-40-95> 95</a></span>
<span class=normal><a href=#__codelineno-40-96> 96</a></span>
<span class=normal><a href=#__codelineno-40-97> 97</a></span>
<span class=normal><a href=#__codelineno-40-98> 98</a></span>
<span class=normal><a href=#__codelineno-40-99> 99</a></span>
<span class=normal><a href=#__codelineno-40-100>100</a></span>
<span class=normal><a href=#__codelineno-40-101>101</a></span>
<span class=normal><a href=#__codelineno-40-102>102</a></span>
<span class=normal><a href=#__codelineno-40-103>103</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-40-1><a id=__codelineno-40-1 name=__codelineno-40-1></a><span class=c1>// === Setup element effects ===</span>
</span><span id=__span-40-2><a id=__codelineno-40-2 name=__codelineno-40-2></a>
</span><span id=__span-40-3><a id=__codelineno-40-3 name=__codelineno-40-3></a><span class=c1>// Wet.asset:</span>
</span><span id=__span-40-4><a id=__codelineno-40-4 name=__codelineno-40-4></a><span class=c1>// - durationType: Duration (10 seconds)</span>
</span><span id=__span-40-5><a id=__codelineno-40-5 name=__codelineno-40-5></a><span class=c1>// - effectTags: ["Wet", "ConductsElectricity"]</span>
</span><span id=__span-40-6><a id=__codelineno-40-6 name=__codelineno-40-6></a><span class=c1>// - cosmeticEffects: water drips</span>
</span><span id=__span-40-7><a id=__codelineno-40-7 name=__codelineno-40-7></a>
</span><span id=__span-40-8><a id=__codelineno-40-8 name=__codelineno-40-8></a><span class=c1>// Burning.asset:</span>
</span><span id=__span-40-9><a id=__codelineno-40-9 name=__codelineno-40-9></a><span class=c1>// - durationType: Duration (5 seconds)</span>
</span><span id=__span-40-10><a id=__codelineno-40-10 name=__codelineno-40-10></a><span class=c1>// - effectTags: ["Burning", "OnFire"]</span>
</span><span id=__span-40-11><a id=__codelineno-40-11 name=__codelineno-40-11></a><span class=c1>// - modifications: Health + (-5 per second)</span>
</span><span id=__span-40-12><a id=__codelineno-40-12 name=__codelineno-40-12></a><span class=c1>// - cosmeticEffects: fire particles</span>
</span><span id=__span-40-13><a id=__codelineno-40-13 name=__codelineno-40-13></a>
</span><span id=__span-40-14><a id=__codelineno-40-14 name=__codelineno-40-14></a><span class=c1>// Frozen.asset:</span>
</span><span id=__span-40-15><a id=__codelineno-40-15 name=__codelineno-40-15></a><span class=c1>// - durationType: Duration (3 seconds)</span>
</span><span id=__span-40-16><a id=__codelineno-40-16 name=__codelineno-40-16></a><span class=c1>// - effectTags: ["Frozen", "Immobilized"]</span>
</span><span id=__span-40-17><a id=__codelineno-40-17 name=__codelineno-40-17></a><span class=c1>// - modifications: Speed × 0</span>
</span><span id=__span-40-18><a id=__codelineno-40-18 name=__codelineno-40-18></a>
</span><span id=__span-40-19><a id=__codelineno-40-19 name=__codelineno-40-19></a><span class=c1>// Electrified.asset:</span>
</span><span id=__span-40-20><a id=__codelineno-40-20 name=__codelineno-40-20></a><span class=c1>// - durationType: Duration (4 seconds)</span>
</span><span id=__span-40-21><a id=__codelineno-40-21 name=__codelineno-40-21></a><span class=c1>// - effectTags: ["Electrified", "Stunned"]</span>
</span><span id=__span-40-22><a id=__codelineno-40-22 name=__codelineno-40-22></a><span class=c1>// - modifications: Speed × 0</span>
</span><span id=__span-40-23><a id=__codelineno-40-23 name=__codelineno-40-23></a>
</span><span id=__span-40-24><a id=__codelineno-40-24 name=__codelineno-40-24></a><span class=c1>// === Interaction system ===</span>
</span><span id=__span-40-25><a id=__codelineno-40-25 name=__codelineno-40-25></a>
</span><span id=__span-40-26><a id=__codelineno-40-26 name=__codelineno-40-26></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>ElementalInteractions</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-40-27><a id=__codelineno-40-27 name=__codelineno-40-27></a><span class=p>{</span>
</span><span id=__span-40-28><a id=__codelineno-40-28 name=__codelineno-40-28></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>wetEffect</span><span class=p>;</span>
</span><span id=__span-40-29><a id=__codelineno-40-29 name=__codelineno-40-29></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>burningEffect</span><span class=p>;</span>
</span><span id=__span-40-30><a id=__codelineno-40-30 name=__codelineno-40-30></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>frozenEffect</span><span class=p>;</span>
</span><span id=__span-40-31><a id=__codelineno-40-31 name=__codelineno-40-31></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>electrifiedEffect</span><span class=p>;</span>
</span><span id=__span-40-32><a id=__codelineno-40-32 name=__codelineno-40-32></a>
</span><span id=__span-40-33><a id=__codelineno-40-33 name=__codelineno-40-33></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>OnEnvironmentalEffect</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>,</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>effectType</span><span class=p>)</span>
</span><span id=__span-40-34><a id=__codelineno-40-34 name=__codelineno-40-34></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-40-35><a id=__codelineno-40-35 name=__codelineno-40-35></a><span class=w> </span><span class=k>switch</span><span class=w> </span><span class=p>(</span><span class=n>effectType</span><span class=p>)</span>
</span><span id=__span-40-36><a id=__codelineno-40-36 name=__codelineno-40-36></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-40-37><a id=__codelineno-40-37 name=__codelineno-40-37></a><span class=w> </span><span class=k>case</span><span class=w> </span><span class=s>"Water"</span><span class=p>:</span>
</span><span id=__span-40-38><a id=__codelineno-40-38 name=__codelineno-40-38></a><span class=w> </span><span class=c1>// Apply wet</span>
</span><span id=__span-40-39><a id=__codelineno-40-39 name=__codelineno-40-39></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>wetEffect</span><span class=p>);</span>
</span><span id=__span-40-40><a id=__codelineno-40-40 name=__codelineno-40-40></a>
</span><span id=__span-40-41><a id=__codelineno-40-41 name=__codelineno-40-41></a><span class=w> </span><span class=c1>// Water puts out fire</span>
</span><span id=__span-40-42><a id=__codelineno-40-42 name=__codelineno-40-42></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Burning"</span><span class=p>))</span>
</span><span id=__span-40-43><a id=__codelineno-40-43 name=__codelineno-40-43></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-40-44><a id=__codelineno-40-44 name=__codelineno-40-44></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>RemoveEffects</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>GetHandlesWithTag</span><span class=p>(</span><span class=s>"Burning"</span><span class=p>));</span>
</span><span id=__span-40-45><a id=__codelineno-40-45 name=__codelineno-40-45></a><span class=w> </span><span class=n>CreateSteamParticles</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>transform</span><span class=p>.</span><span class=n>position</span><span class=p>);</span>
</span><span id=__span-40-46><a id=__codelineno-40-46 name=__codelineno-40-46></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-40-47><a id=__codelineno-40-47 name=__codelineno-40-47></a><span class=w> </span><span class=k>break</span><span class=p>;</span>
</span><span id=__span-40-48><a id=__codelineno-40-48 name=__codelineno-40-48></a>
</span><span id=__span-40-49><a id=__codelineno-40-49 name=__codelineno-40-49></a><span class=w> </span><span class=k>case</span><span class=w> </span><span class=s>"Fire"</span><span class=p>:</span>
</span><span id=__span-40-50><a id=__codelineno-40-50 name=__codelineno-40-50></a><span class=w> </span><span class=c1>// Fire dries wet targets</span>
</span><span id=__span-40-51><a id=__codelineno-40-51 name=__codelineno-40-51></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Wet"</span><span class=p>))</span>
</span><span id=__span-40-52><a id=__codelineno-40-52 name=__codelineno-40-52></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-40-53><a id=__codelineno-40-53 name=__codelineno-40-53></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>RemoveEffects</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>GetHandlesWithTag</span><span class=p>(</span><span class=s>"Wet"</span><span class=p>));</span>
</span><span id=__span-40-54><a id=__codelineno-40-54 name=__codelineno-40-54></a><span class=w> </span><span class=n>CreateSteamParticles</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>transform</span><span class=p>.</span><span class=n>position</span><span class=p>);</span>
</span><span id=__span-40-55><a id=__codelineno-40-55 name=__codelineno-40-55></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-40-56><a id=__codelineno-40-56 name=__codelineno-40-56></a><span class=w> </span><span class=k>else</span>
</span><span id=__span-40-57><a id=__codelineno-40-57 name=__codelineno-40-57></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-40-58><a id=__codelineno-40-58 name=__codelineno-40-58></a><span class=w> </span><span class=c1>// Set on fire if dry</span>
</span><span id=__span-40-59><a id=__codelineno-40-59 name=__codelineno-40-59></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>burningEffect</span><span class=p>);</span>
</span><span id=__span-40-60><a id=__codelineno-40-60 name=__codelineno-40-60></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-40-61><a id=__codelineno-40-61 name=__codelineno-40-61></a><span class=w> </span><span class=k>break</span><span class=p>;</span>
</span><span id=__span-40-62><a id=__codelineno-40-62 name=__codelineno-40-62></a>
</span><span id=__span-40-63><a id=__codelineno-40-63 name=__codelineno-40-63></a><span class=w> </span><span class=k>case</span><span class=w> </span><span class=s>"Ice"</span><span class=p>:</span>
</span><span id=__span-40-64><a id=__codelineno-40-64 name=__codelineno-40-64></a><span class=w> </span><span class=c1>// Ice freezes wet targets (stronger effect)</span>
</span><span id=__span-40-65><a id=__codelineno-40-65 name=__codelineno-40-65></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Wet"</span><span class=p>))</span>
</span><span id=__span-40-66><a id=__codelineno-40-66 name=__codelineno-40-66></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-40-67><a id=__codelineno-40-67 name=__codelineno-40-67></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>frozenEffect</span><span class=p>);</span>
</span><span id=__span-40-68><a id=__codelineno-40-68 name=__codelineno-40-68></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>RemoveEffects</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>GetHandlesWithTag</span><span class=p>(</span><span class=s>"Wet"</span><span class=p>));</span>
</span><span id=__span-40-69><a id=__codelineno-40-69 name=__codelineno-40-69></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-40-70><a id=__codelineno-40-70 name=__codelineno-40-70></a><span class=w> </span><span class=k>break</span><span class=p>;</span>
</span><span id=__span-40-71><a id=__codelineno-40-71 name=__codelineno-40-71></a>
</span><span id=__span-40-72><a id=__codelineno-40-72 name=__codelineno-40-72></a><span class=w> </span><span class=k>case</span><span class=w> </span><span class=s>"Electric"</span><span class=p>:</span>
</span><span id=__span-40-73><a id=__codelineno-40-73 name=__codelineno-40-73></a><span class=w> </span><span class=c1>// Electric shocks wet targets</span>
</span><span id=__span-40-74><a id=__codelineno-40-74 name=__codelineno-40-74></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Wet"</span><span class=p>))</span>
</span><span id=__span-40-75><a id=__codelineno-40-75 name=__codelineno-40-75></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-40-76><a id=__codelineno-40-76 name=__codelineno-40-76></a><span class=w> </span><span class=c1>// Extra damage and stun</span>
</span><span id=__span-40-77><a id=__codelineno-40-77 name=__codelineno-40-77></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>electrifiedEffect</span><span class=p>);</span>
</span><span id=__span-40-78><a id=__codelineno-40-78 name=__codelineno-40-78></a><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>TakeDamage</span><span class=p>(</span><span class=mf>20f</span><span class=p>);</span><span class=w> </span><span class=c1>// Bonus damage</span>
</span><span id=__span-40-79><a id=__codelineno-40-79 name=__codelineno-40-79></a><span class=w> </span><span class=n>CreateElectricParticles</span><span class=p>(</span><span class=n>target</span><span class=p>.</span><span class=n>transform</span><span class=p>.</span><span class=n>position</span><span class=p>);</span>
</span><span id=__span-40-80><a id=__codelineno-40-80 name=__codelineno-40-80></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-40-81><a id=__codelineno-40-81 name=__codelineno-40-81></a><span class=w> </span><span class=k>break</span><span class=p>;</span>
</span><span id=__span-40-82><a id=__codelineno-40-82 name=__codelineno-40-82></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-40-83><a id=__codelineno-40-83 name=__codelineno-40-83></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-40-84><a id=__codelineno-40-84 name=__codelineno-40-84></a>
</span><span id=__span-40-85><a id=__codelineno-40-85 name=__codelineno-40-85></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=nf>CalculateElementalDamageMultiplier</span><span class=p>(</span><span class=n>GameObject</span><span class=w> </span><span class=n>attacker</span><span class=p>,</span><span class=w> </span><span class=n>GameObject</span><span class=w> </span><span class=n>target</span><span class=p>)</span>
</span><span id=__span-40-86><a id=__codelineno-40-86 name=__codelineno-40-86></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-40-87><a id=__codelineno-40-87 name=__codelineno-40-87></a><span class=w> </span><span class=kt>float</span><span class=w> </span><span class=n>multiplier</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=mf>1f</span><span class=p>;</span>
</span><span id=__span-40-88><a id=__codelineno-40-88 name=__codelineno-40-88></a>
</span><span id=__span-40-89><a id=__codelineno-40-89 name=__codelineno-40-89></a><span class=w> </span><span class=c1>// Fire does extra damage to frozen targets (they thaw)</span>
</span><span id=__span-40-90><a id=__codelineno-40-90 name=__codelineno-40-90></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>attacker</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"FireWeapon"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Frozen"</span><span class=p>))</span>
</span><span id=__span-40-91><a id=__codelineno-40-91 name=__codelineno-40-91></a><span class=w> </span><span class=n>multiplier</span><span class=w> </span><span class=o>*=</span><span class=w> </span><span class=mf>1.5f</span><span class=p>;</span>
</span><span id=__span-40-92><a id=__codelineno-40-92 name=__codelineno-40-92></a>
</span><span id=__span-40-93><a id=__codelineno-40-93 name=__codelineno-40-93></a><span class=w> </span><span class=c1>// Electric does massive damage to wet targets</span>
</span><span id=__span-40-94><a id=__codelineno-40-94 name=__codelineno-40-94></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>attacker</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"ElectricWeapon"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Wet"</span><span class=p>))</span>
</span><span id=__span-40-95><a id=__codelineno-40-95 name=__codelineno-40-95></a><span class=w> </span><span class=n>multiplier</span><span class=w> </span><span class=o>*=</span><span class=w> </span><span class=mf>2.0f</span><span class=p>;</span>
</span><span id=__span-40-96><a id=__codelineno-40-96 name=__codelineno-40-96></a>
</span><span id=__span-40-97><a id=__codelineno-40-97 name=__codelineno-40-97></a><span class=w> </span><span class=c1>// Ice does extra damage to burning targets (extinguish)</span>
</span><span id=__span-40-98><a id=__codelineno-40-98 name=__codelineno-40-98></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>attacker</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"IceWeapon"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>target</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Burning"</span><span class=p>))</span>
</span><span id=__span-40-99><a id=__codelineno-40-99 name=__codelineno-40-99></a><span class=w> </span><span class=n>multiplier</span><span class=w> </span><span class=o>*=</span><span class=w> </span><span class=mf>1.5f</span><span class=p>;</span>
</span><span id=__span-40-100><a id=__codelineno-40-100 name=__codelineno-40-100></a>
</span><span id=__span-40-101><a id=__codelineno-40-101 name=__codelineno-40-101></a><span class=w> </span><span class=k>return</span><span class=w> </span><span class=n>multiplier</span><span class=p>;</span>
</span><span id=__span-40-102><a id=__codelineno-40-102 name=__codelineno-40-102></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-40-103><a id=__codelineno-40-103 name=__codelineno-40-103></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Why This Works:</strong></p> <ul> <li>✅ <strong>Composable</strong> - Elements interact naturally through tags</li> <li>✅ <strong>Discoverable</strong> - All active elements visible in TagHandler</li> <li>✅ <strong>Designer-friendly</strong> - Create new elements without code changes</li> <li>✅ <strong>Debuggable</strong> - See the exact element state at any moment</li> <li>✅ <strong>Extensible</strong> - Add new elements and interactions easily</li> </ul> <h3 id=pattern-5-state-machine-replacement>Pattern 5: State Machine Replacement<a class=headerlink href=#pattern-5-state-machine-replacement title="Permanent link">¶</a></h3> <p><strong>The Problem:</strong> Traditional state machines become complex with many states and transitions. Tags can represent state more flexibly.</p> <p><strong>Traditional Approach:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-41-1> 1</a></span>
<span class=normal><a href=#__codelineno-41-2> 2</a></span>
<span class=normal><a href=#__codelineno-41-3> 3</a></span>
<span class=normal><a href=#__codelineno-41-4> 4</a></span>
<span class=normal><a href=#__codelineno-41-5> 5</a></span>
<span class=normal><a href=#__codelineno-41-6> 6</a></span>
<span class=normal><a href=#__codelineno-41-7> 7</a></span>
<span class=normal><a href=#__codelineno-41-8> 8</a></span>
<span class=normal><a href=#__codelineno-41-9> 9</a></span>
<span class=normal><a href=#__codelineno-41-10>10</a></span>
<span class=normal><a href=#__codelineno-41-11>11</a></span>
<span class=normal><a href=#__codelineno-41-12>12</a></span>
<span class=normal><a href=#__codelineno-41-13>13</a></span>
<span class=normal><a href=#__codelineno-41-14>14</a></span>
<span class=normal><a href=#__codelineno-41-15>15</a></span>
<span class=normal><a href=#__codelineno-41-16>16</a></span>
<span class=normal><a href=#__codelineno-41-17>17</a></span>
<span class=normal><a href=#__codelineno-41-18>18</a></span>
<span class=normal><a href=#__codelineno-41-19>19</a></span>
<span class=normal><a href=#__codelineno-41-20>20</a></span>
<span class=normal><a href=#__codelineno-41-21>21</a></span>
<span class=normal><a href=#__codelineno-41-22>22</a></span>
<span class=normal><a href=#__codelineno-41-23>23</a></span>
<span class=normal><a href=#__codelineno-41-24>24</a></span>
<span class=normal><a href=#__codelineno-41-25>25</a></span>
<span class=normal><a href=#__codelineno-41-26>26</a></span>
<span class=normal><a href=#__codelineno-41-27>27</a></span>
<span class=normal><a href=#__codelineno-41-28>28</a></span>
<span class=normal><a href=#__codelineno-41-29>29</a></span>
<span class=normal><a href=#__codelineno-41-30>30</a></span>
<span class=normal><a href=#__codelineno-41-31>31</a></span>
<span class=normal><a href=#__codelineno-41-32>32</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-41-1><a id=__codelineno-41-1 name=__codelineno-41-1></a><span class=c1>// ❌ OLD WAY: Rigid state machine</span>
</span><span id=__span-41-2><a id=__codelineno-41-2 name=__codelineno-41-2></a><span class=k>public</span><span class=w> </span><span class=k>enum</span><span class=w> </span><span class=n>PlayerState</span>
</span><span id=__span-41-3><a id=__codelineno-41-3 name=__codelineno-41-3></a><span class=p>{</span>
</span><span id=__span-41-4><a id=__codelineno-41-4 name=__codelineno-41-4></a><span class=w> </span><span class=n>Idle</span><span class=p>,</span>
</span><span id=__span-41-5><a id=__codelineno-41-5 name=__codelineno-41-5></a><span class=w> </span><span class=n>Walking</span><span class=p>,</span>
</span><span id=__span-41-6><a id=__codelineno-41-6 name=__codelineno-41-6></a><span class=w> </span><span class=n>Running</span><span class=p>,</span>
</span><span id=__span-41-7><a id=__codelineno-41-7 name=__codelineno-41-7></a><span class=w> </span><span class=n>Jumping</span><span class=p>,</span>
</span><span id=__span-41-8><a id=__codelineno-41-8 name=__codelineno-41-8></a><span class=w> </span><span class=n>Attacking</span><span class=p>,</span>
</span><span id=__span-41-9><a id=__codelineno-41-9 name=__codelineno-41-9></a><span class=w> </span><span class=n>Stunned</span><span class=p>,</span>
</span><span id=__span-41-10><a id=__codelineno-41-10 name=__codelineno-41-10></a><span class=w> </span><span class=c1>// What if player is jumping AND attacking?</span>
</span><span id=__span-41-11><a id=__codelineno-41-11 name=__codelineno-41-11></a><span class=w> </span><span class=c1>// What if player is attacking AND stunned?</span>
</span><span id=__span-41-12><a id=__codelineno-41-12 name=__codelineno-41-12></a><span class=w> </span><span class=c1>// Need combinatorial explosion of states!</span>
</span><span id=__span-41-13><a id=__codelineno-41-13 name=__codelineno-41-13></a><span class=p>}</span>
</span><span id=__span-41-14><a id=__codelineno-41-14 name=__codelineno-41-14></a>
</span><span id=__span-41-15><a id=__codelineno-41-15 name=__codelineno-41-15></a><span class=k>private</span><span class=w> </span><span class=n>PlayerState</span><span class=w> </span><span class=n>currentState</span><span class=p>;</span>
</span><span id=__span-41-16><a id=__codelineno-41-16 name=__codelineno-41-16></a>
</span><span id=__span-41-17><a id=__codelineno-41-17 name=__codelineno-41-17></a><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-41-18><a id=__codelineno-41-18 name=__codelineno-41-18></a><span class=p>{</span>
</span><span id=__span-41-19><a id=__codelineno-41-19 name=__codelineno-41-19></a><span class=w> </span><span class=k>switch</span><span class=w> </span><span class=p>(</span><span class=n>currentState</span><span class=p>)</span>
</span><span id=__span-41-20><a id=__codelineno-41-20 name=__codelineno-41-20></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-41-21><a id=__codelineno-41-21 name=__codelineno-41-21></a><span class=w> </span><span class=k>case</span><span class=w> </span><span class=n>PlayerState</span><span class=p>.</span><span class=n>Stunned</span><span class=p>:</span>
</span><span id=__span-41-22><a id=__codelineno-41-22 name=__codelineno-41-22></a><span class=w> </span><span class=c1>// Can't do anything when stunned</span>
</span><span id=__span-41-23><a id=__codelineno-41-23 name=__codelineno-41-23></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-41-24><a id=__codelineno-41-24 name=__codelineno-41-24></a>
</span><span id=__span-41-25><a id=__codelineno-41-25 name=__codelineno-41-25></a><span class=w> </span><span class=k>case</span><span class=w> </span><span class=n>PlayerState</span><span class=p>.</span><span class=n>Attacking</span><span class=p>:</span>
</span><span id=__span-41-26><a id=__codelineno-41-26 name=__codelineno-41-26></a><span class=w> </span><span class=c1>// Can't move while attacking</span>
</span><span id=__span-41-27><a id=__codelineno-41-27 name=__codelineno-41-27></a><span class=w> </span><span class=c1>// But what if we want to allow movement during some attacks?</span>
</span><span id=__span-41-28><a id=__codelineno-41-28 name=__codelineno-41-28></a><span class=w> </span><span class=k>break</span><span class=p>;</span>
</span><span id=__span-41-29><a id=__codelineno-41-29 name=__codelineno-41-29></a>
</span><span id=__span-41-30><a id=__codelineno-41-30 name=__codelineno-41-30></a><span class=w> </span><span class=c1>// 50 more cases...</span>
</span><span id=__span-41-31><a id=__codelineno-41-31 name=__codelineno-41-31></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-41-32><a id=__codelineno-41-32 name=__codelineno-41-32></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Tag-Based Approach:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-42-1> 1</a></span>
<span class=normal><a href=#__codelineno-42-2> 2</a></span>
<span class=normal><a href=#__codelineno-42-3> 3</a></span>
<span class=normal><a href=#__codelineno-42-4> 4</a></span>
<span class=normal><a href=#__codelineno-42-5> 5</a></span>
<span class=normal><a href=#__codelineno-42-6> 6</a></span>
<span class=normal><a href=#__codelineno-42-7> 7</a></span>
<span class=normal><a href=#__codelineno-42-8> 8</a></span>
<span class=normal><a href=#__codelineno-42-9> 9</a></span>
<span class=normal><a href=#__codelineno-42-10>10</a></span>
<span class=normal><a href=#__codelineno-42-11>11</a></span>
<span class=normal><a href=#__codelineno-42-12>12</a></span>
<span class=normal><a href=#__codelineno-42-13>13</a></span>
<span class=normal><a href=#__codelineno-42-14>14</a></span>
<span class=normal><a href=#__codelineno-42-15>15</a></span>
<span class=normal><a href=#__codelineno-42-16>16</a></span>
<span class=normal><a href=#__codelineno-42-17>17</a></span>
<span class=normal><a href=#__codelineno-42-18>18</a></span>
<span class=normal><a href=#__codelineno-42-19>19</a></span>
<span class=normal><a href=#__codelineno-42-20>20</a></span>
<span class=normal><a href=#__codelineno-42-21>21</a></span>
<span class=normal><a href=#__codelineno-42-22>22</a></span>
<span class=normal><a href=#__codelineno-42-23>23</a></span>
<span class=normal><a href=#__codelineno-42-24>24</a></span>
<span class=normal><a href=#__codelineno-42-25>25</a></span>
<span class=normal><a href=#__codelineno-42-26>26</a></span>
<span class=normal><a href=#__codelineno-42-27>27</a></span>
<span class=normal><a href=#__codelineno-42-28>28</a></span>
<span class=normal><a href=#__codelineno-42-29>29</a></span>
<span class=normal><a href=#__codelineno-42-30>30</a></span>
<span class=normal><a href=#__codelineno-42-31>31</a></span>
<span class=normal><a href=#__codelineno-42-32>32</a></span>
<span class=normal><a href=#__codelineno-42-33>33</a></span>
<span class=normal><a href=#__codelineno-42-34>34</a></span>
<span class=normal><a href=#__codelineno-42-35>35</a></span>
<span class=normal><a href=#__codelineno-42-36>36</a></span>
<span class=normal><a href=#__codelineno-42-37>37</a></span>
<span class=normal><a href=#__codelineno-42-38>38</a></span>
<span class=normal><a href=#__codelineno-42-39>39</a></span>
<span class=normal><a href=#__codelineno-42-40>40</a></span>
<span class=normal><a href=#__codelineno-42-41>41</a></span>
<span class=normal><a href=#__codelineno-42-42>42</a></span>
<span class=normal><a href=#__codelineno-42-43>43</a></span>
<span class=normal><a href=#__codelineno-42-44>44</a></span>
<span class=normal><a href=#__codelineno-42-45>45</a></span>
<span class=normal><a href=#__codelineno-42-46>46</a></span>
<span class=normal><a href=#__codelineno-42-47>47</a></span>
<span class=normal><a href=#__codelineno-42-48>48</a></span>
<span class=normal><a href=#__codelineno-42-49>49</a></span>
<span class=normal><a href=#__codelineno-42-50>50</a></span>
<span class=normal><a href=#__codelineno-42-51>51</a></span>
<span class=normal><a href=#__codelineno-42-52>52</a></span>
<span class=normal><a href=#__codelineno-42-53>53</a></span>
<span class=normal><a href=#__codelineno-42-54>54</a></span>
<span class=normal><a href=#__codelineno-42-55>55</a></span>
<span class=normal><a href=#__codelineno-42-56>56</a></span>
<span class=normal><a href=#__codelineno-42-57>57</a></span>
<span class=normal><a href=#__codelineno-42-58>58</a></span>
<span class=normal><a href=#__codelineno-42-59>59</a></span>
<span class=normal><a href=#__codelineno-42-60>60</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-42-1><a id=__codelineno-42-1 name=__codelineno-42-1></a><span class=c1>// ✅ NEW WAY: Flexible tag-based state</span>
</span><span id=__span-42-2><a id=__codelineno-42-2 name=__codelineno-42-2></a><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-42-3><a id=__codelineno-42-3 name=__codelineno-42-3></a><span class=p>{</span>
</span><span id=__span-42-4><a id=__codelineno-42-4 name=__codelineno-42-4></a><span class=w> </span><span class=c1>// States can overlap naturally</span>
</span><span id=__span-42-5><a id=__codelineno-42-5 name=__codelineno-42-5></a><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>isGrounded</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>CheckGrounded</span><span class=p>();</span>
</span><span id=__span-42-6><a id=__codelineno-42-6 name=__codelineno-42-6></a><span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=n>isMoving</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>Input</span><span class=p>.</span><span class=n>GetAxis</span><span class=p>(</span><span class=s>"Horizontal"</span><span class=p>)</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=mi>0</span><span class=p>;</span>
</span><span id=__span-42-7><a id=__codelineno-42-7 name=__codelineno-42-7></a>
</span><span id=__span-42-8><a id=__codelineno-42-8 name=__codelineno-42-8></a><span class=w> </span><span class=c1>// Check capabilities, not rigid states</span>
</span><span id=__span-42-9><a id=__codelineno-42-9 name=__codelineno-42-9></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Stunned"</span><span class=p>)</span><span class=w> </span><span class=o>||</span><span class=w> </span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Frozen"</span><span class=p>))</span>
</span><span id=__span-42-10><a id=__codelineno-42-10 name=__codelineno-42-10></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-42-11><a id=__codelineno-42-11 name=__codelineno-42-11></a><span class=w> </span><span class=c1>// Can't act while crowd-controlled</span>
</span><span id=__span-42-12><a id=__codelineno-42-12 name=__codelineno-42-12></a><span class=w> </span><span class=k>return</span><span class=p>;</span>
</span><span id=__span-42-13><a id=__codelineno-42-13 name=__codelineno-42-13></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-42-14><a id=__codelineno-42-14 name=__codelineno-42-14></a>
</span><span id=__span-42-15><a id=__codelineno-42-15 name=__codelineno-42-15></a><span class=w> </span><span class=c1>// Movement</span>
</span><span id=__span-42-16><a id=__codelineno-42-16 name=__codelineno-42-16></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>isMoving</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=o>!</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Immobilized"</span><span class=p>))</span>
</span><span id=__span-42-17><a id=__codelineno-42-17 name=__codelineno-42-17></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-42-18><a id=__codelineno-42-18 name=__codelineno-42-18></a><span class=w> </span><span class=n>Move</span><span class=p>();</span>
</span><span id=__span-42-19><a id=__codelineno-42-19 name=__codelineno-42-19></a>
</span><span id=__span-42-20><a id=__codelineno-42-20 name=__codelineno-42-20></a><span class=w> </span><span class=c1>// Can attack while moving (if not attacking already)</span>
</span><span id=__span-42-21><a id=__codelineno-42-21 name=__codelineno-42-21></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetButtonDown</span><span class=p>(</span><span class=s>"Fire1"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=o>!</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Attacking"</span><span class=p>))</span>
</span><span id=__span-42-22><a id=__codelineno-42-22 name=__codelineno-42-22></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-42-23><a id=__codelineno-42-23 name=__codelineno-42-23></a><span class=w> </span><span class=n>Attack</span><span class=p>();</span>
</span><span id=__span-42-24><a id=__codelineno-42-24 name=__codelineno-42-24></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-42-25><a id=__codelineno-42-25 name=__codelineno-42-25></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-42-26><a id=__codelineno-42-26 name=__codelineno-42-26></a>
</span><span id=__span-42-27><a id=__codelineno-42-27 name=__codelineno-42-27></a><span class=w> </span><span class=c1>// Jumping</span>
</span><span id=__span-42-28><a id=__codelineno-42-28 name=__codelineno-42-28></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetButtonDown</span><span class=p>(</span><span class=s>"Jump"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>isGrounded</span><span class=p>)</span>
</span><span id=__span-42-29><a id=__codelineno-42-29 name=__codelineno-42-29></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-42-30><a id=__codelineno-42-30 name=__codelineno-42-30></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"CanJump"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=o>!</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Jumping"</span><span class=p>))</span>
</span><span id=__span-42-31><a id=__codelineno-42-31 name=__codelineno-42-31></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-42-32><a id=__codelineno-42-32 name=__codelineno-42-32></a><span class=w> </span><span class=n>Jump</span><span class=p>();</span>
</span><span id=__span-42-33><a id=__codelineno-42-33 name=__codelineno-42-33></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-42-34><a id=__codelineno-42-34 name=__codelineno-42-34></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-42-35><a id=__codelineno-42-35 name=__codelineno-42-35></a>
</span><span id=__span-42-36><a id=__codelineno-42-36 name=__codelineno-42-36></a><span class=w> </span><span class=c1>// Special abilities</span>
</span><span id=__span-42-37><a id=__codelineno-42-37 name=__codelineno-42-37></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetButtonDown</span><span class=p>(</span><span class=s>"Dash"</span><span class=p>))</span>
</span><span id=__span-42-38><a id=__codelineno-42-38 name=__codelineno-42-38></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-42-39><a id=__codelineno-42-39 name=__codelineno-42-39></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"CanDash"</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=o>!</span><span class=k>this</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Dashing"</span><span class=p>))</span>
</span><span id=__span-42-40><a id=__codelineno-42-40 name=__codelineno-42-40></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-42-41><a id=__codelineno-42-41 name=__codelineno-42-41></a><span class=w> </span><span class=n>Dash</span><span class=p>();</span>
</span><span id=__span-42-42><a id=__codelineno-42-42 name=__codelineno-42-42></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-42-43><a id=__codelineno-42-43 name=__codelineno-42-43></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-42-44><a id=__codelineno-42-44 name=__codelineno-42-44></a><span class=p>}</span>
</span><span id=__span-42-45><a id=__codelineno-42-45 name=__codelineno-42-45></a>
</span><span id=__span-42-46><a id=__codelineno-42-46 name=__codelineno-42-46></a><span class=c1>// Actions apply tags to themselves</span>
</span><span id=__span-42-47><a id=__codelineno-42-47 name=__codelineno-42-47></a><span class=k>void</span><span class=w> </span><span class=nf>Attack</span><span class=p>()</span>
</span><span id=__span-42-48><a id=__codelineno-42-48 name=__codelineno-42-48></a><span class=p>{</span>
</span><span id=__span-42-49><a id=__codelineno-42-49 name=__codelineno-42-49></a><span class=w> </span><span class=c1>// Apply "Attacking" tag for duration of attack</span>
</span><span id=__span-42-50><a id=__codelineno-42-50 name=__codelineno-42-50></a><span class=w> </span><span class=k>this</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>attackingEffect</span><span class=p>);</span><span class=w> </span><span class=c1>// 0.5s duration</span>
</span><span id=__span-42-51><a id=__codelineno-42-51 name=__codelineno-42-51></a><span class=w> </span><span class=c1>// Play animation...</span>
</span><span id=__span-42-52><a id=__codelineno-42-52 name=__codelineno-42-52></a><span class=p>}</span>
</span><span id=__span-42-53><a id=__codelineno-42-53 name=__codelineno-42-53></a>
</span><span id=__span-42-54><a id=__codelineno-42-54 name=__codelineno-42-54></a><span class=k>void</span><span class=w> </span><span class=nf>Dash</span><span class=p>()</span>
</span><span id=__span-42-55><a id=__codelineno-42-55 name=__codelineno-42-55></a><span class=p>{</span>
</span><span id=__span-42-56><a id=__codelineno-42-56 name=__codelineno-42-56></a><span class=w> </span><span class=c1>// Apply multiple tags during dash</span>
</span><span id=__span-42-57><a id=__codelineno-42-57 name=__codelineno-42-57></a><span class=w> </span><span class=k>this</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>dashingEffect</span><span class=p>);</span>
</span><span id=__span-42-58><a id=__codelineno-42-58 name=__codelineno-42-58></a><span class=w> </span><span class=c1>// Effect grants: ["Dashing", "Invulnerable", "FastMovement"]</span>
</span><span id=__span-42-59><a id=__codelineno-42-59 name=__codelineno-42-59></a><span class=w> </span><span class=c1>// All removed automatically after duration</span>
</span><span id=__span-42-60><a id=__codelineno-42-60 name=__codelineno-42-60></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Why This Works:</strong></p> <ul> <li>✅ <strong>Composable</strong> - Multiple states can be active simultaneously</li> <li>✅ <strong>Flexible</strong> - Easy to add conditional behavior based on tags</li> <li>✅ <strong>No spaghetti</strong> - Avoid complex state transition logic</li> <li>✅ <strong>Self-documenting</strong> - Tag names describe what's happening</li> <li>✅ <strong>Designer-friendly</strong> - Add new states via ScriptableObjects</li> </ul> <h3 id=pattern-6-debugging-and-cheat-codes>Pattern 6: Debugging and Cheat Codes<a class=headerlink href=#pattern-6-debugging-and-cheat-codes title="Permanent link">¶</a></h3> <p><strong>The Problem:</strong> Debug tools and cheat codes need to temporarily grant capabilities without affecting production code.</p> <p><strong>The Solution:</strong></p> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-43-1> 1</a></span>
<span class=normal><a href=#__codelineno-43-2> 2</a></span>
<span class=normal><a href=#__codelineno-43-3> 3</a></span>
<span class=normal><a href=#__codelineno-43-4> 4</a></span>
<span class=normal><a href=#__codelineno-43-5> 5</a></span>
<span class=normal><a href=#__codelineno-43-6> 6</a></span>
<span class=normal><a href=#__codelineno-43-7> 7</a></span>
<span class=normal><a href=#__codelineno-43-8> 8</a></span>
<span class=normal><a href=#__codelineno-43-9> 9</a></span>
<span class=normal><a href=#__codelineno-43-10>10</a></span>
<span class=normal><a href=#__codelineno-43-11>11</a></span>
<span class=normal><a href=#__codelineno-43-12>12</a></span>
<span class=normal><a href=#__codelineno-43-13>13</a></span>
<span class=normal><a href=#__codelineno-43-14>14</a></span>
<span class=normal><a href=#__codelineno-43-15>15</a></span>
<span class=normal><a href=#__codelineno-43-16>16</a></span>
<span class=normal><a href=#__codelineno-43-17>17</a></span>
<span class=normal><a href=#__codelineno-43-18>18</a></span>
<span class=normal><a href=#__codelineno-43-19>19</a></span>
<span class=normal><a href=#__codelineno-43-20>20</a></span>
<span class=normal><a href=#__codelineno-43-21>21</a></span>
<span class=normal><a href=#__codelineno-43-22>22</a></span>
<span class=normal><a href=#__codelineno-43-23>23</a></span>
<span class=normal><a href=#__codelineno-43-24>24</a></span>
<span class=normal><a href=#__codelineno-43-25>25</a></span>
<span class=normal><a href=#__codelineno-43-26>26</a></span>
<span class=normal><a href=#__codelineno-43-27>27</a></span>
<span class=normal><a href=#__codelineno-43-28>28</a></span>
<span class=normal><a href=#__codelineno-43-29>29</a></span>
<span class=normal><a href=#__codelineno-43-30>30</a></span>
<span class=normal><a href=#__codelineno-43-31>31</a></span>
<span class=normal><a href=#__codelineno-43-32>32</a></span>
<span class=normal><a href=#__codelineno-43-33>33</a></span>
<span class=normal><a href=#__codelineno-43-34>34</a></span>
<span class=normal><a href=#__codelineno-43-35>35</a></span>
<span class=normal><a href=#__codelineno-43-36>36</a></span>
<span class=normal><a href=#__codelineno-43-37>37</a></span>
<span class=normal><a href=#__codelineno-43-38>38</a></span>
<span class=normal><a href=#__codelineno-43-39>39</a></span>
<span class=normal><a href=#__codelineno-43-40>40</a></span>
<span class=normal><a href=#__codelineno-43-41>41</a></span>
<span class=normal><a href=#__codelineno-43-42>42</a></span>
<span class=normal><a href=#__codelineno-43-43>43</a></span>
<span class=normal><a href=#__codelineno-43-44>44</a></span>
<span class=normal><a href=#__codelineno-43-45>45</a></span>
<span class=normal><a href=#__codelineno-43-46>46</a></span>
<span class=normal><a href=#__codelineno-43-47>47</a></span>
<span class=normal><a href=#__codelineno-43-48>48</a></span>
<span class=normal><a href=#__codelineno-43-49>49</a></span>
<span class=normal><a href=#__codelineno-43-50>50</a></span>
<span class=normal><a href=#__codelineno-43-51>51</a></span>
<span class=normal><a href=#__codelineno-43-52>52</a></span>
<span class=normal><a href=#__codelineno-43-53>53</a></span>
<span class=normal><a href=#__codelineno-43-54>54</a></span>
<span class=normal><a href=#__codelineno-43-55>55</a></span>
<span class=normal><a href=#__codelineno-43-56>56</a></span>
<span class=normal><a href=#__codelineno-43-57>57</a></span>
<span class=normal><a href=#__codelineno-43-58>58</a></span>
<span class=normal><a href=#__codelineno-43-59>59</a></span>
<span class=normal><a href=#__codelineno-43-60>60</a></span>
<span class=normal><a href=#__codelineno-43-61>61</a></span>
<span class=normal><a href=#__codelineno-43-62>62</a></span>
<span class=normal><a href=#__codelineno-43-63>63</a></span>
<span class=normal><a href=#__codelineno-43-64>64</a></span>
<span class=normal><a href=#__codelineno-43-65>65</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-43-1><a id=__codelineno-43-1 name=__codelineno-43-1></a><span class=k>public</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>DebugConsole</span><span class=w> </span><span class=p>:</span><span class=w> </span><span class=n>MonoBehaviour</span>
</span><span id=__span-43-2><a id=__codelineno-43-2 name=__codelineno-43-2></a><span class=p>{</span>
</span><span id=__span-43-3><a id=__codelineno-43-3 name=__codelineno-43-3></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>godModeEffect</span><span class=p>;</span>
</span><span id=__span-43-4><a id=__codelineno-43-4 name=__codelineno-43-4></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>noclipEffect</span><span class=p>;</span>
</span><span id=__span-43-5><a id=__codelineno-43-5 name=__codelineno-43-5></a><span class=w> </span><span class=na>[SerializeField]</span><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>unlockAllEffect</span><span class=p>;</span>
</span><span id=__span-43-6><a id=__codelineno-43-6 name=__codelineno-43-6></a>
</span><span id=__span-43-7><a id=__codelineno-43-7 name=__codelineno-43-7></a><span class=w> </span><span class=k>private</span><span class=w> </span><span class=n>Dictionary</span><span class=o><</span><span class=kt>string</span><span class=p>,</span><span class=w> </span><span class=n>EffectHandle</span><span class=o>?></span><span class=w> </span><span class=n>activeDebugEffects</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=p>();</span>
</span><span id=__span-43-8><a id=__codelineno-43-8 name=__codelineno-43-8></a>
</span><span id=__span-43-9><a id=__codelineno-43-9 name=__codelineno-43-9></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>Update</span><span class=p>()</span>
</span><span id=__span-43-10><a id=__codelineno-43-10 name=__codelineno-43-10></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-43-11><a id=__codelineno-43-11 name=__codelineno-43-11></a><span class=w> </span><span class=c1>// God mode (invulnerable + infinite resources)</span>
</span><span id=__span-43-12><a id=__codelineno-43-12 name=__codelineno-43-12></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetKeyDown</span><span class=p>(</span><span class=n>KeyCode</span><span class=p>.</span><span class=n>F1</span><span class=p>))</span>
</span><span id=__span-43-13><a id=__codelineno-43-13 name=__codelineno-43-13></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-43-14><a id=__codelineno-43-14 name=__codelineno-43-14></a><span class=w> </span><span class=n>ToggleDebugEffect</span><span class=p>(</span><span class=s>"GodMode"</span><span class=p>,</span><span class=w> </span><span class=n>godModeEffect</span><span class=p>);</span>
</span><span id=__span-43-15><a id=__codelineno-43-15 name=__codelineno-43-15></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-43-16><a id=__codelineno-43-16 name=__codelineno-43-16></a>
</span><span id=__span-43-17><a id=__codelineno-43-17 name=__codelineno-43-17></a><span class=w> </span><span class=c1>// Noclip (fly through walls)</span>
</span><span id=__span-43-18><a id=__codelineno-43-18 name=__codelineno-43-18></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetKeyDown</span><span class=p>(</span><span class=n>KeyCode</span><span class=p>.</span><span class=n>F2</span><span class=p>))</span>
</span><span id=__span-43-19><a id=__codelineno-43-19 name=__codelineno-43-19></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-43-20><a id=__codelineno-43-20 name=__codelineno-43-20></a><span class=w> </span><span class=n>ToggleDebugEffect</span><span class=p>(</span><span class=s>"Noclip"</span><span class=p>,</span><span class=w> </span><span class=n>noclipEffect</span><span class=p>);</span>
</span><span id=__span-43-21><a id=__codelineno-43-21 name=__codelineno-43-21></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-43-22><a id=__codelineno-43-22 name=__codelineno-43-22></a>
</span><span id=__span-43-23><a id=__codelineno-43-23 name=__codelineno-43-23></a><span class=w> </span><span class=c1>// Unlock all abilities</span>
</span><span id=__span-43-24><a id=__codelineno-43-24 name=__codelineno-43-24></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>Input</span><span class=p>.</span><span class=n>GetKeyDown</span><span class=p>(</span><span class=n>KeyCode</span><span class=p>.</span><span class=n>F3</span><span class=p>))</span>
</span><span id=__span-43-25><a id=__codelineno-43-25 name=__codelineno-43-25></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-43-26><a id=__codelineno-43-26 name=__codelineno-43-26></a><span class=w> </span><span class=n>ApplyDebugEffect</span><span class=p>(</span><span class=s>"UnlockAll"</span><span class=p>,</span><span class=w> </span><span class=n>unlockAllEffect</span><span class=p>);</span>
</span><span id=__span-43-27><a id=__codelineno-43-27 name=__codelineno-43-27></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-43-28><a id=__codelineno-43-28 name=__codelineno-43-28></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-43-29><a id=__codelineno-43-29 name=__codelineno-43-29></a>
</span><span id=__span-43-30><a id=__codelineno-43-30 name=__codelineno-43-30></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>ToggleDebugEffect</span><span class=p>(</span><span class=kt>string</span><span class=w> </span><span class=n>name</span><span class=p>,</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>effect</span><span class=p>)</span>
</span><span id=__span-43-31><a id=__codelineno-43-31 name=__codelineno-43-31></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-43-32><a id=__codelineno-43-32 name=__codelineno-43-32></a><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>activeDebugEffects</span><span class=p>.</span><span class=n>TryGetValue</span><span class=p>(</span><span class=n>name</span><span class=p>,</span><span class=w> </span><span class=k>out</span><span class=w> </span><span class=n>EffectHandle</span><span class=o>?</span><span class=w> </span><span class=n>handle</span><span class=p>)</span><span class=w> </span><span class=o>&&</span><span class=w> </span><span class=n>handle</span><span class=p>.</span><span class=n>HasValue</span><span class=p>)</span>
</span><span id=__span-43-33><a id=__codelineno-43-33 name=__codelineno-43-33></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-43-34><a id=__codelineno-43-34 name=__codelineno-43-34></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>RemoveEffect</span><span class=p>(</span><span class=n>handle</span><span class=p>.</span><span class=n>Value</span><span class=p>);</span>
</span><span id=__span-43-35><a id=__codelineno-43-35 name=__codelineno-43-35></a><span class=w> </span><span class=n>activeDebugEffects</span><span class=p>.</span><span class=n>Remove</span><span class=p>(</span><span class=n>name</span><span class=p>);</span>
</span><span id=__span-43-36><a id=__codelineno-43-36 name=__codelineno-43-36></a><span class=w> </span><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>$"Debug: {name} OFF"</span><span class=p>);</span>
</span><span id=__span-43-37><a id=__codelineno-43-37 name=__codelineno-43-37></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-43-38><a id=__codelineno-43-38 name=__codelineno-43-38></a><span class=w> </span><span class=k>else</span>
</span><span id=__span-43-39><a id=__codelineno-43-39 name=__codelineno-43-39></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-43-40><a id=__codelineno-43-40 name=__codelineno-43-40></a><span class=w> </span><span class=n>EffectHandle</span><span class=o>?</span><span class=w> </span><span class=n>newHandle</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>effect</span><span class=p>);</span>
</span><span id=__span-43-41><a id=__codelineno-43-41 name=__codelineno-43-41></a><span class=w> </span><span class=n>activeDebugEffects</span><span class=p>[</span><span class=n>name</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>newHandle</span><span class=p>;</span>
</span><span id=__span-43-42><a id=__codelineno-43-42 name=__codelineno-43-42></a><span class=w> </span><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>$"Debug: {name} ON"</span><span class=p>);</span>
</span><span id=__span-43-43><a id=__codelineno-43-43 name=__codelineno-43-43></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-43-44><a id=__codelineno-43-44 name=__codelineno-43-44></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-43-45><a id=__codelineno-43-45 name=__codelineno-43-45></a>
</span><span id=__span-43-46><a id=__codelineno-43-46 name=__codelineno-43-46></a><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>ApplyDebugEffect</span><span class=p>(</span><span class=kt>string</span><span class=w> </span><span class=n>name</span><span class=p>,</span><span class=w> </span><span class=n>AttributeEffect</span><span class=w> </span><span class=n>effect</span><span class=p>)</span>
</span><span id=__span-43-47><a id=__codelineno-43-47 name=__codelineno-43-47></a><span class=w> </span><span class=p>{</span>
</span><span id=__span-43-48><a id=__codelineno-43-48 name=__codelineno-43-48></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>effect</span><span class=p>);</span>
</span><span id=__span-43-49><a id=__codelineno-43-49 name=__codelineno-43-49></a><span class=w> </span><span class=n>Debug</span><span class=p>.</span><span class=n>Log</span><span class=p>(</span><span class=s>$"Debug: Applied {name}"</span><span class=p>);</span>
</span><span id=__span-43-50><a id=__codelineno-43-50 name=__codelineno-43-50></a><span class=w> </span><span class=p>}</span>
</span><span id=__span-43-51><a id=__codelineno-43-51 name=__codelineno-43-51></a><span class=p>}</span>
</span><span id=__span-43-52><a id=__codelineno-43-52 name=__codelineno-43-52></a>
</span><span id=__span-43-53><a id=__codelineno-43-53 name=__codelineno-43-53></a><span class=c1>// GodMode.asset:</span>
</span><span id=__span-43-54><a id=__codelineno-43-54 name=__codelineno-43-54></a><span class=c1>// - durationType: Infinite</span>
</span><span id=__span-43-55><a id=__codelineno-43-55 name=__codelineno-43-55></a><span class=c1>// - effectTags: ["Invulnerable", "InfiniteResources", "Debug"]</span>
</span><span id=__span-43-56><a id=__codelineno-43-56 name=__codelineno-43-56></a><span class=c1>// - modifications: Health × 999, Stamina × 999</span>
</span><span id=__span-43-57><a id=__codelineno-43-57 name=__codelineno-43-57></a>
</span><span id=__span-43-58><a id=__codelineno-43-58 name=__codelineno-43-58></a><span class=c1>// Noclip.asset:</span>
</span><span id=__span-43-59><a id=__codelineno-43-59 name=__codelineno-43-59></a><span class=c1>// - durationType: Infinite</span>
</span><span id=__span-43-60><a id=__codelineno-43-60 name=__codelineno-43-60></a><span class=c1>// - effectTags: ["Noclip", "Flying", "Debug"]</span>
</span><span id=__span-43-61><a id=__codelineno-43-61 name=__codelineno-43-61></a><span class=c1>// - cosmeticEffects: ghost transparency</span>
</span><span id=__span-43-62><a id=__codelineno-43-62 name=__codelineno-43-62></a>
</span><span id=__span-43-63><a id=__codelineno-43-63 name=__codelineno-43-63></a><span class=c1>// UnlockAll.asset:</span>
</span><span id=__span-43-64><a id=__codelineno-43-64 name=__codelineno-43-64></a><span class=c1>// - durationType: Infinite</span>
</span><span id=__span-43-65><a id=__codelineno-43-65 name=__codelineno-43-65></a><span class=c1>// - effectTags: ["CanDoubleJump", "CanDash", "CanWallJump", "Debug"]</span>
</span></code></pre></div></td></tr></table></div> <p><strong>Why This Works:</strong></p> <ul> <li>✅ <strong>Non-invasive</strong> - Debug code doesn't pollute production code</li> <li>✅ <strong>Discoverable</strong> - Inspect TagHandler to see active debug effects</li> <li>✅ <strong>Reusable</strong> - Same effects can be used by actual gameplay</li> <li>✅ <strong>Safe</strong> - Easy to ensure debug effects don't ship (check for "Debug" tag)</li> </ul> <h3 id=comparison-to-other-approaches>Comparison to Other Approaches<a class=headerlink href=#comparison-to-other-approaches title="Permanent link">¶</a></h3> <table> <thead> <tr> <th>Approach</th> <th>Pros</th> <th>Cons</th> </tr> </thead> <tbody> <tr> <td><strong>Boolean Flags</strong></td> <td>Simple, fast</td> <td>Not composable, hard to debug, scattered</td> </tr> <tr> <td><strong>Enums</strong></td> <td>Type-safe, clear options</td> <td>Rigid, can't combine states</td> </tr> <tr> <td><strong>Bitflags</strong></td> <td>Combinable, fast</td> <td>Limited to 64 states, not designer-friendly</td> </tr> <tr> <td><strong>State Machines</strong></td> <td>Structured, predictable</td> <td>Complex with many states, rigid transitions</td> </tr> <tr> <td><strong>Tag System (this!)</strong></td> <td>Flexible, composable, designer-friendly</td> <td>Slightly slower than booleans, strings less type-safe</td> </tr> </tbody> </table> <p><strong>When to Use Tags vs Attributes:</strong></p> <table> <thead> <tr> <th>Use Case</th> <th>Solution</th> <th>Example</th> </tr> </thead> <tbody> <tr> <td><strong>Binary state</strong></td> <td>Tag</td> <td>"Invulnerable", "CanDash"</td> </tr> <tr> <td><strong>Numeric value</strong></td> <td>Attribute</td> <td>Health, Speed, Damage</td> </tr> <tr> <td><strong>Temporary state</strong></td> <td>Tag with Duration</td> <td>"Stunned" for 3 seconds</td> </tr> <tr> <td><strong>Stacking bonuses</strong></td> <td>Attribute with Multiplication</td> <td>Speed × 1.5 from multiple haste effects</td> </tr> <tr> <td><strong>Category membership</strong></td> <td>Tag</td> <td>"Enemy", "Friendly", "Neutral"</td> </tr> <tr> <td><strong>Resource management</strong></td> <td>Attribute</td> <td>Stamina, Mana</td> </tr> <tr> <td><strong>Permission/unlock</strong></td> <td>Tag with Infinite duration</td> <td>"CanEnterDungeon", "TutorialComplete"</td> </tr> <tr> <td><strong>Complex interactions</strong></td> <td>Multiple Tags</td> <td>"Wet" + "Electrified" = shocked</td> </tr> </tbody> </table> <h3 id=best-practices-for-capability-systems>Best Practices for Capability Systems<a class=headerlink href=#best-practices-for-capability-systems title="Permanent link">¶</a></h3> <ol> <li><strong>Namespace your tags</strong> - Use prefixes to avoid conflicts</li> </ol> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-44-1>1</a></span>
<span class=normal><a href=#__codelineno-44-2>2</a></span>
<span class=normal><a href=#__codelineno-44-3>3</a></span>
<span class=normal><a href=#__codelineno-44-4>4</a></span>
<span class=normal><a href=#__codelineno-44-5>5</a></span>
<span class=normal><a href=#__codelineno-44-6>6</a></span>
<span class=normal><a href=#__codelineno-44-7>7</a></span>
<span class=normal><a href=#__codelineno-44-8>8</a></span>
<span class=normal><a href=#__codelineno-44-9>9</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-44-1><a id=__codelineno-44-1 name=__codelineno-44-1></a><span class=c1>// ✅ Good: Clear categories</span>
</span><span id=__span-44-2><a id=__codelineno-44-2 name=__codelineno-44-2></a><span class=s>"Status_Stunned"</span>
</span><span id=__span-44-3><a id=__codelineno-44-3 name=__codelineno-44-3></a><span class=s>"Ability_CanDash"</span>
</span><span id=__span-44-4><a id=__codelineno-44-4 name=__codelineno-44-4></a><span class=s>"Quest_HasKeyItem"</span>
</span><span id=__span-44-5><a id=__codelineno-44-5 name=__codelineno-44-5></a><span class=s>"Element_Burning"</span>
</span><span id=__span-44-6><a id=__codelineno-44-6 name=__codelineno-44-6></a>
</span><span id=__span-44-7><a id=__codelineno-44-7 name=__codelineno-44-7></a><span class=c1>// ❌ Bad: Ambiguous</span>
</span><span id=__span-44-8><a id=__codelineno-44-8 name=__codelineno-44-8></a><span class=s>"Stunned"</span><span class=w> </span><span class=c1>// Status or ability?</span>
</span><span id=__span-44-9><a id=__codelineno-44-9 name=__codelineno-44-9></a><span class=s>"Fire"</span><span class=w> </span><span class=c1>// On fire or has fire weapon?</span>
</span></code></pre></div></td></tr></table></div> <ol> <li><strong>Create tag constants</strong> - Avoid string typos</li> </ol> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-45-1> 1</a></span>
<span class=normal><a href=#__codelineno-45-2> 2</a></span>
<span class=normal><a href=#__codelineno-45-3> 3</a></span>
<span class=normal><a href=#__codelineno-45-4> 4</a></span>
<span class=normal><a href=#__codelineno-45-5> 5</a></span>
<span class=normal><a href=#__codelineno-45-6> 6</a></span>
<span class=normal><a href=#__codelineno-45-7> 7</a></span>
<span class=normal><a href=#__codelineno-45-8> 8</a></span>
<span class=normal><a href=#__codelineno-45-9> 9</a></span>
<span class=normal><a href=#__codelineno-45-10>10</a></span>
<span class=normal><a href=#__codelineno-45-11>11</a></span>
<span class=normal><a href=#__codelineno-45-12>12</a></span>
<span class=normal><a href=#__codelineno-45-13>13</a></span>
<span class=normal><a href=#__codelineno-45-14>14</a></span>
<span class=normal><a href=#__codelineno-45-15>15</a></span>
<span class=normal><a href=#__codelineno-45-16>16</a></span>
<span class=normal><a href=#__codelineno-45-17>17</a></span>
<span class=normal><a href=#__codelineno-45-18>18</a></span>
<span class=normal><a href=#__codelineno-45-19>19</a></span>
<span class=normal><a href=#__codelineno-45-20>20</a></span>
<span class=normal><a href=#__codelineno-45-21>21</a></span>
<span class=normal><a href=#__codelineno-45-22>22</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-45-1><a id=__codelineno-45-1 name=__codelineno-45-1></a><span class=k>public</span><span class=w> </span><span class=k>static</span><span class=w> </span><span class=k>class</span><span class=w> </span><span class=nc>GameplayTags</span>
</span><span id=__span-45-2><a id=__codelineno-45-2 name=__codelineno-45-2></a><span class=p>{</span>
</span><span id=__span-45-3><a id=__codelineno-45-3 name=__codelineno-45-3></a><span class=w> </span><span class=c1>// States</span>
</span><span id=__span-45-4><a id=__codelineno-45-4 name=__codelineno-45-4></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>Invulnerable</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"Invulnerable"</span><span class=p>;</span>
</span><span id=__span-45-5><a id=__codelineno-45-5 name=__codelineno-45-5></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>Stunned</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"Stunned"</span><span class=p>;</span>
</span><span id=__span-45-6><a id=__codelineno-45-6 name=__codelineno-45-6></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>Invisible</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"Invisible"</span><span class=p>;</span>
</span><span id=__span-45-7><a id=__codelineno-45-7 name=__codelineno-45-7></a>
</span><span id=__span-45-8><a id=__codelineno-45-8 name=__codelineno-45-8></a><span class=w> </span><span class=c1>// Capabilities</span>
</span><span id=__span-45-9><a id=__codelineno-45-9 name=__codelineno-45-9></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>CanDash</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"CanDash"</span><span class=p>;</span>
</span><span id=__span-45-10><a id=__codelineno-45-10 name=__codelineno-45-10></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>CanDoubleJump</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"CanDoubleJump"</span><span class=p>;</span>
</span><span id=__span-45-11><a id=__codelineno-45-11 name=__codelineno-45-11></a>
</span><span id=__span-45-12><a id=__codelineno-45-12 name=__codelineno-45-12></a><span class=w> </span><span class=c1>// Elements</span>
</span><span id=__span-45-13><a id=__codelineno-45-13 name=__codelineno-45-13></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>Burning</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"Burning"</span><span class=p>;</span>
</span><span id=__span-45-14><a id=__codelineno-45-14 name=__codelineno-45-14></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>Wet</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"Wet"</span><span class=p>;</span>
</span><span id=__span-45-15><a id=__codelineno-45-15 name=__codelineno-45-15></a><span class=w> </span><span class=k>public</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=kt>string</span><span class=w> </span><span class=n>Frozen</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"Frozen"</span><span class=p>;</span>
</span><span id=__span-45-16><a id=__codelineno-45-16 name=__codelineno-45-16></a><span class=p>}</span>
</span><span id=__span-45-17><a id=__codelineno-45-17 name=__codelineno-45-17></a>
</span><span id=__span-45-18><a id=__codelineno-45-18 name=__codelineno-45-18></a><span class=c1>// Usage</span>
</span><span id=__span-45-19><a id=__codelineno-45-19 name=__codelineno-45-19></a><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=n>GameplayTags</span><span class=p>.</span><span class=n>Invulnerable</span><span class=p>))</span>
</span><span id=__span-45-20><a id=__codelineno-45-20 name=__codelineno-45-20></a><span class=p>{</span>
</span><span id=__span-45-21><a id=__codelineno-45-21 name=__codelineno-45-21></a><span class=w> </span><span class=c1>// Compiler will catch typos!</span>
</span><span id=__span-45-22><a id=__codelineno-45-22 name=__codelineno-45-22></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <ol> <li><strong>Document tag meanings</strong> - Keep a central registry</li> </ol> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-46-1> 1</a></span>
<span class=normal><a href=#__codelineno-46-2> 2</a></span>
<span class=normal><a href=#__codelineno-46-3> 3</a></span>
<span class=normal><a href=#__codelineno-46-4> 4</a></span>
<span class=normal><a href=#__codelineno-46-5> 5</a></span>
<span class=normal><a href=#__codelineno-46-6> 6</a></span>
<span class=normal><a href=#__codelineno-46-7> 7</a></span>
<span class=normal><a href=#__codelineno-46-8> 8</a></span>
<span class=normal><a href=#__codelineno-46-9> 9</a></span>
<span class=normal><a href=#__codelineno-46-10>10</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-46-1><a id=__codelineno-46-1 name=__codelineno-46-1></a><span class=c1>/// Tags Registry</span>
</span><span id=__span-46-2><a id=__codelineno-46-2 name=__codelineno-46-2></a><span class=c1>/// ===================================</span>
</span><span id=__span-46-3><a id=__codelineno-46-3 name=__codelineno-46-3></a><span class=c1>/// Invulnerable - Cannot take damage from any source</span>
</span><span id=__span-46-4><a id=__codelineno-46-4 name=__codelineno-46-4></a><span class=c1>/// Stunned - Cannot perform any actions (move, attack, cast)</span>
</span><span id=__span-46-5><a id=__codelineno-46-5 name=__codelineno-46-5></a><span class=c1>/// InCombat - Currently engaged in combat (prevents resting, saving)</span>
</span><span id=__span-46-6><a id=__codelineno-46-6 name=__codelineno-46-6></a><span class=c1>/// Invisible - Cannot be seen by AI or targeted</span>
</span><span id=__span-46-7><a id=__codelineno-46-7 name=__codelineno-46-7></a><span class=c1>/// CanDash - Has unlocked dash ability</span>
</span><span id=__span-46-8><a id=__codelineno-46-8 name=__codelineno-46-8></a><span class=c1>/// CanDoubleJump - Has unlocked double jump ability</span>
</span><span id=__span-46-9><a id=__codelineno-46-9 name=__codelineno-46-9></a><span class=c1>/// Wet - Conducts electricity, prevents fire, can be frozen</span>
</span><span id=__span-46-10><a id=__codelineno-46-10 name=__codelineno-46-10></a><span class=c1>/// Burning - Takes fire damage over time, can ignite others</span>
</span></code></pre></div></td></tr></table></div> <ol> <li><strong>Use effect tags for multiple purposes</strong></li> </ol> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-47-1> 1</a></span>
<span class=normal><a href=#__codelineno-47-2> 2</a></span>
<span class=normal><a href=#__codelineno-47-3> 3</a></span>
<span class=normal><a href=#__codelineno-47-4> 4</a></span>
<span class=normal><a href=#__codelineno-47-5> 5</a></span>
<span class=normal><a href=#__codelineno-47-6> 6</a></span>
<span class=normal><a href=#__codelineno-47-7> 7</a></span>
<span class=normal><a href=#__codelineno-47-8> 8</a></span>
<span class=normal><a href=#__codelineno-47-9> 9</a></span>
<span class=normal><a href=#__codelineno-47-10>10</a></span>
<span class=normal><a href=#__codelineno-47-11>11</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-47-1><a id=__codelineno-47-1 name=__codelineno-47-1></a><span class=c1>// effectTags serve multiple purposes:</span>
</span><span id=__span-47-2><a id=__codelineno-47-2 name=__codelineno-47-2></a><span class=c1>// - Internal organization (removable via GetHandlesWithTag + RemoveEffects)</span>
</span><span id=__span-47-3><a id=__codelineno-47-3 name=__codelineno-47-3></a><span class=c1>// - Gameplay queries (checked via HasTag)</span>
</span><span id=__span-47-4><a id=__codelineno-47-4 name=__codelineno-47-4></a><span class=c1>// - Effect identification and categorization</span>
</span><span id=__span-47-5><a id=__codelineno-47-5 name=__codelineno-47-5></a>
</span><span id=__span-47-6><a id=__codelineno-47-6 name=__codelineno-47-6></a><span class=c1>// Example effect:</span>
</span><span id=__span-47-7><a id=__codelineno-47-7 name=__codelineno-47-7></a><span class=c1>// HastePotion.asset:</span>
</span><span id=__span-47-8><a id=__codelineno-47-8 name=__codelineno-47-8></a><span class=c1>// - effectTags: ["Haste", "Potion", "Buff", "MovementBuff"]</span>
</span><span id=__span-47-9><a id=__codelineno-47-9 name=__codelineno-47-9></a><span class=c1>// - Use "Haste" for gameplay queries (player.HasTag("Haste"))</span>
</span><span id=__span-47-10><a id=__codelineno-47-10 name=__codelineno-47-10></a><span class=c1>// - Use "Potion" for finding/removing all potions</span>
</span><span id=__span-47-11><a id=__codelineno-47-11 name=__codelineno-47-11></a><span class=c1>// - Use "Buff" for UI categorization</span>
</span></code></pre></div></td></tr></table></div> <ol> <li><strong>Test tag combinations</strong> - Verify interactions work correctly</li> </ol> <div class="language-csharp highlight"><table class=highlighttable><tr><th colspan=2 class=filename><span class=filename>C#</span></th></tr><tr><td class=linenos><div class=linenodiv><pre><span></span><span class=normal><a href=#__codelineno-48-1> 1</a></span>
<span class=normal><a href=#__codelineno-48-2> 2</a></span>
<span class=normal><a href=#__codelineno-48-3> 3</a></span>
<span class=normal><a href=#__codelineno-48-4> 4</a></span>
<span class=normal><a href=#__codelineno-48-5> 5</a></span>
<span class=normal><a href=#__codelineno-48-6> 6</a></span>
<span class=normal><a href=#__codelineno-48-7> 7</a></span>
<span class=normal><a href=#__codelineno-48-8> 8</a></span>
<span class=normal><a href=#__codelineno-48-9> 9</a></span>
<span class=normal><a href=#__codelineno-48-10>10</a></span>
<span class=normal><a href=#__codelineno-48-11>11</a></span>
<span class=normal><a href=#__codelineno-48-12>12</a></span>
<span class=normal><a href=#__codelineno-48-13>13</a></span>
<span class=normal><a href=#__codelineno-48-14>14</a></span>
<span class=normal><a href=#__codelineno-48-15>15</a></span>
<span class=normal><a href=#__codelineno-48-16>16</a></span>
<span class=normal><a href=#__codelineno-48-17>17</a></span>
<span class=normal><a href=#__codelineno-48-18>18</a></span>
<span class=normal><a href=#__codelineno-48-19>19</a></span></pre></div></td><td class=code><div><pre><span></span><code><span id=__span-48-1><a id=__codelineno-48-1 name=__codelineno-48-1></a><span class=na>[Test]</span>
</span><span id=__span-48-2><a id=__codelineno-48-2 name=__codelineno-48-2></a><span class=k>public</span><span class=w> </span><span class=k>void</span><span class=w> </span><span class=nf>TestInvulnerability_MultipleSourcesStack</span><span class=p>()</span>
</span><span id=__span-48-3><a id=__codelineno-48-3 name=__codelineno-48-3></a><span class=p>{</span>
</span><span id=__span-48-4><a id=__codelineno-48-4 name=__codelineno-48-4></a><span class=w> </span><span class=n>GameObject</span><span class=w> </span><span class=n>player</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>CreateTestPlayer</span><span class=p>();</span>
</span><span id=__span-48-5><a id=__codelineno-48-5 name=__codelineno-48-5></a>
</span><span id=__span-48-6><a id=__codelineno-48-6 name=__codelineno-48-6></a><span class=w> </span><span class=c1>// Apply invulnerability from two sources</span>
</span><span id=__span-48-7><a id=__codelineno-48-7 name=__codelineno-48-7></a><span class=w> </span><span class=n>EffectHandle</span><span class=o>?</span><span class=w> </span><span class=n>dash</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>dashInvulnerability</span><span class=p>);</span>
</span><span id=__span-48-8><a id=__codelineno-48-8 name=__codelineno-48-8></a><span class=w> </span><span class=n>EffectHandle</span><span class=o>?</span><span class=w> </span><span class=n>powerup</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>ApplyEffect</span><span class=p>(</span><span class=n>powerupInvulnerability</span><span class=p>);</span>
</span><span id=__span-48-9><a id=__codelineno-48-9 name=__codelineno-48-9></a>
</span><span id=__span-48-10><a id=__codelineno-48-10 name=__codelineno-48-10></a><span class=w> </span><span class=n>Assert</span><span class=p>.</span><span class=n>IsTrue</span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invulnerable"</span><span class=p>));</span>
</span><span id=__span-48-11><a id=__codelineno-48-11 name=__codelineno-48-11></a>
</span><span id=__span-48-12><a id=__codelineno-48-12 name=__codelineno-48-12></a><span class=w> </span><span class=c1>// Remove one source - should still be invulnerable</span>
</span><span id=__span-48-13><a id=__codelineno-48-13 name=__codelineno-48-13></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>RemoveEffect</span><span class=p>(</span><span class=n>dash</span><span class=p>.</span><span class=n>Value</span><span class=p>);</span>
</span><span id=__span-48-14><a id=__codelineno-48-14 name=__codelineno-48-14></a><span class=w> </span><span class=n>Assert</span><span class=p>.</span><span class=n>IsTrue</span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invulnerable"</span><span class=p>));</span>
</span><span id=__span-48-15><a id=__codelineno-48-15 name=__codelineno-48-15></a>
</span><span id=__span-48-16><a id=__codelineno-48-16 name=__codelineno-48-16></a><span class=w> </span><span class=c1>// Remove second source - now vulnerable</span>
</span><span id=__span-48-17><a id=__codelineno-48-17 name=__codelineno-48-17></a><span class=w> </span><span class=n>player</span><span class=p>.</span><span class=n>RemoveEffect</span><span class=p>(</span><span class=n>powerup</span><span class=p>.</span><span class=n>Value</span><span class=p>);</span>
</span><span id=__span-48-18><a id=__codelineno-48-18 name=__codelineno-48-18></a><span class=w> </span><span class=n>Assert</span><span class=p>.</span><span class=n>IsFalse</span><span class=p>(</span><span class=n>player</span><span class=p>.</span><span class=n>HasTag</span><span class=p>(</span><span class=s>"Invulnerable"</span><span class=p>));</span>
</span><span id=__span-48-19><a id=__codelineno-48-19 name=__codelineno-48-19></a><span class=p>}</span>
</span></code></pre></div></td></tr></table></div> <h2 id=performance-notes>Performance Notes<a class=headerlink href=#performance-notes title="Permanent link">¶</a></h2> <ul> <li>Attribute field discovery is cached (and can be precomputed by the Attribute Metadata Cache generator).</li> <li>Tag queries provide overloads for lists to minimize allocations; prefer <code>IReadOnlyList<string></code> overloads in hot paths.</li> <li>Cosmetics can be a significant cost; prefer shared presenters when possible.</li> </ul> <hr> <p>Related:</p> <ul> <li>README section: "Effects, Attributes, and Tags"</li> <li>Attribute Metadata Cache (Editor Tools) for dropdowns and performance</li> </ul> <aside class=md-source-file> <span class=md-source-file__fact> <span class=md-icon title="Last update"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1zM12.5 7v5.2l4 2.4-1 1L11 13V7zM11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2z"/></svg> </span> <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-timeago" title="February 27, 2026 02:38:56 UTC"><span class=timeago datetime=2026-02-27T02:38:56+00:00 locale=en></span></span><span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-iso_date" title="February 27, 2026 02:38:56 UTC">2026-02-27</span> </span> <span class=md-source-file__fact> <span class=md-icon title=Created> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M14.47 15.08 11 13V7h1.5v5.25l3.08 1.83c-.41.28-.79.62-1.11 1m-1.39 4.84c-.36.05-.71.08-1.08.08-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8c0 .37-.03.72-.08 1.08.69.1 1.33.32 1.92.64.1-.56.16-1.13.16-1.72 0-5.5-4.5-10-10-10S2 6.5 2 12s4.47 10 10 10c.59 0 1.16-.06 1.72-.16-.32-.59-.54-1.23-.64-1.92M18 15v3h-3v2h3v3h2v-3h3v-2h-3v-3z"/></svg> </span> <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-timeago" title="October 11, 2025 22:50:56 UTC"><span class=timeago datetime=2025-10-11T22:50:56+00:00 locale=en></span></span><span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-iso_date" title="October 11, 2025 22:50:56 UTC">2025-10-11</span> </span> </aside> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var labels=set.querySelector(".tabbed-labels");for(var tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> <script>var target=document.getElementById(location.hash.slice(1));target&&target.name&&(target.checked=target.name.startsWith("__tabbed_"))</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg> Back to top </button> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../../spatial/spatial-tree-semantics/ class="md-footer__link md-footer__link--prev" aria-label="Previous: Spatial Tree Semantics"> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg> </div> <div class=md-footer__title> <span class=md-footer__direction> Previous </span> <div class=md-ellipsis> Spatial Tree Semantics </div> </div> </a> <a href=../effects-system-tutorial/ class="md-footer__link md-footer__link--next" aria-label="Next: Tutorial"> <div class=md-footer__title> <span class=md-footer__direction> Next </span> <div class=md-ellipsis> Tutorial </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2024-2026 Wallstop Studios - 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