@arcgis/core
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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
6 lines (5 loc) • 3.64 kB
JavaScript
/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{getOrCreateMapValue as t}from"../../../../../core/MapUtils.js";import s from"../../../../../core/PooledArray.js";import{BufferRange as e}from"./BufferRange.js";import{DrawCommand as i}from"./DrawCommand.js";import{defaultHighlightName as n}from"../../../../support/HighlightDefaults.js";class a{constructor(){this._numElements=0,this._instances=new Map,this.holes=new s({allocator:t=>t||new e,deallocator:null}),this.hasHiddenInstances=!1,this.hasOccludees=!1,this.drawCommandsDirty=!0,this.highlightNames=new Set,this.drawCommandsDefault=r(),this.drawCommandsHighlights=new Map,this.drawCommandsOccludees=r(),this.drawCommandsShadowHighlightRest=r()}get numElements(){return this._numElements}get instances(){return this._instances}get hasHighlights(){return this.highlightNames.size>0}resetInstanceSummary(){this.hasHiddenInstances=!1,this.hasOccludees=!1,this.highlightNames.clear()}updateIfDrawCommandsDirty(t,s){if(this.drawCommandsDirty){this.resetInstanceSummary();for(const t of this.instances.values())this.updateDrawState(t);this.updateDrawCommands(t,s)}}addInstance(t,s){this.deleteInstance(t),this._instances.set(t,s),this._numElements+=s.numElements}deleteInstance(t){const s=this._instances.get(t);s&&(this._numElements-=s.numElements,this._instances.delete(t))}updateInstance(t,s,e){const i=this._instances.get(t);i&&(this._numElements-=i.numElements,i.from=s,i.to=e,this._numElements+=i.numElements)}updateDrawState(t){if(t.isVisible){const{highlightName:s}=t;s&&this.highlightNames.add(s),t.hasOccludees&&(this.hasOccludees=!0)}else this.hasHiddenInstances=!0}updateDrawCommands(t,s){if(this.drawCommandsDefault.clear(),this.drawCommandsOccludees.clear(),this.drawCommandsDirty=!1,0===this._instances.size)return;const{sortedInstances:e}=this;if(this._updateHighlightDrawCommands(t,e),!this.needsMultipleCommands()){const t=this.drawCommandsDefault.pushNew(),e=this.holes.front();return this.vao&&1===this.holes.length&&e.to===Math.floor(this.vao.getByteLength("geometry")/s)?(t.first=0,void(t.count=e.from)):(t.first=1/0,t.count=0,this._instances.forEach((s=>{t.first=Math.min(t.first,s.from),t.count=Math.max(t.count,s.to)})),void(t.count-=t.first))}for(const i of e)i.isVisible&&m(i.hasOccludees?this.drawCommandsOccludees:this.drawCommandsDefault,i)}get sortedInstances(){return Array.from(this._instances.values()).sort(((t,s)=>t.from===s.from?t.to-s.to:t.from-s.from))}updateHighlights(t){this.highlightNames.clear();const s=this.sortedInstances;for(const e of s)e.updateHighlightOptions(t),e.isVisible&&e.highlightName&&this.highlightNames.add(e.highlightName);this._updateHighlightDrawCommands(t)}_updateHighlightDrawCommands(s,e=this.sortedInstances){const{drawCommandsHighlights:i,drawCommandsShadowHighlightRest:a}=this;i.clear(),a.clear();for(const h of e){if(h.updateHighlightOptions(s),!h.isVisible)continue;const{highlightName:e}=h;if(e){this.highlightNames.add(e);m(t(i,e,r),h)}e&&e===n||m(a,h)}}needsMultipleCommands(){return this.hasOccludees||this.hasHighlights||this.hasHiddenInstances}}class h extends a{}function o(t){return null!=t.vao}function r(){return new s({allocator:t=>t||new i,deallocator:t=>t})}function m(t,s){const e=t.back();if(null==e){const e=t.pushNew();return e.first=s.from,void(e.count=s.numElements)}if(l(e,s)){const t=s.from-e.first+s.numElements;e.count=t}else{const e=t.pushNew();e.first=s.from,e.count=s.numElements}}function l(t,s){return t.first+t.count>=s.from}export{a as PerBufferData,h as PerVaoData,o as hasVao};