seed-engine

Version:

A Lightweight 2D game engine using WebGL2. The engine is designed on the focus of creating a bridge between creating and publishing games to the Seed Network as modules.

github.com/JaegarSarauer/SeedGameEngine

JaegarSarauer/SeedGameEngine

318 lines (288 loc) • 24.8 kB

HTML

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <base data-ice="baseUrl" href="../../../"> <title data-ice="title">src/manager/TextureManager.js | seed-engine</title> <link type="text/css" rel="stylesheet" href="css/style.css"> <link type="text/css" rel="stylesheet" href="css/prettify-tomorrow.css"> <script src="script/prettify/prettify.js"></script> <script src="script/manual.js"></script> <meta name="description" content="A Lightweight 2D game engine using WebGL2. The engine is designed on the focus of creating a bridge between creating and publishing games to the Seed Network as modules."><meta property="twitter:card" content="summary"><meta property="twitter:title" content="seed-engine"><meta property="twitter:description" content="A Lightweight 2D game engine using WebGL2. The engine is designed on the focus of creating a bridge between creating and publishing games to the Seed Network as modules."></head> <body class="layout-container" data-ice="rootContainer"> <header> <a href="./">Home</a> <a href="identifiers.html">Reference</a> <a href="source.html">Source</a> <a href="test.html" data-ice="testLink">Test</a> <div class="search-box"> <img src="./image/search.png"> <input class="search-input"> <ul class="search-result"></ul> </div> <a style="position:relative; top:3px;" href="https://github.com/JaegarSarauer/SeedGameEngine"><img width="20px" src="./image/github.png"></a></header> <nav class="navigation" data-ice="nav"><div> <ul> <li data-ice="doc">C<a href="class/src/Engine.js~_Engine.html">_Engine</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-Engine">Engine</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#base">base</a>C<a href="class/src/base/Updateable.js~Updateable.html">Updateable</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#component">component</a>C<a href="class/src/component/Animation.js~Animation.html">Animation</a></li> <li data-ice="doc">C<a href="class/src/component/Audio.js~Audio.html">Audio</a></li> <li data-ice="doc">C<a href="class/src/component/BoxCollider.js~BoxCollider.html">BoxCollider</a></li> <li data-ice="doc">C<a href="class/src/component/CircleCollider.js~CircleCollider.html">CircleCollider</a></li> <li data-ice="doc">C<a href="class/src/component/ClickController.js~ClickController.html">ClickController</a></li> <li data-ice="doc">C<a href="class/src/component/Collider.js~Collider.html">Collider</a></li> <li data-ice="doc">C<a href="class/src/component/Collider2D.js~Collider2D.html">Collider2D</a></li> <li data-ice="doc">C<a href="class/src/component/Component.js~Component.html">Component</a></li> <li data-ice="doc">C<a href="class/src/component/Controller.js~Controller.html">Controller</a></li> <li data-ice="doc">C<a href="class/src/component/Physics.js~Physics.html">Physics</a></li> <li data-ice="doc">C<a href="class/src/component/Physics2D.js~Physics2D.html">Physics2D</a></li> <li data-ice="doc">C<a href="class/src/component/Renderable.js~Renderable.html">Renderable</a></li> <li data-ice="doc">C<a href="class/src/component/Renderable2D.js~Renderable2D.html">Renderable2D</a></li> <li data-ice="doc">C<a href="class/src/component/Renderable2DGrid.js~Renderable2DGrid.html">Renderable2DGrid</a></li> <li data-ice="doc">C<a href="class/src/component/Renderable2DMultitex.js~Renderable2DMultitex.html">Renderable2DMultitex</a></li> <li data-ice="doc">C<a href="class/src/component/RenderableSquare.js~RenderableSquare.html">RenderableSquare</a></li> <li data-ice="doc">C<a href="class/src/component/RenderableText.js~RenderableText.html">RenderableText</a></li> <li data-ice="doc">C<a href="class/src/component/TopDownController.js~TopDownController.html">TopDownController</a></li> <li data-ice="doc">C<a href="class/src/component/Transform.js~Transform.html">Transform</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#const">const</a>V<a href="variable/index.html#static-variable-DEFAULT_F">DEFAULT_F</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-TILEMAP_F">TILEMAP_F</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-KeyCode">KeyCode</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-DEFAULT_V">DEFAULT_V</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#internal">internal</a>C<a href="class/src/internal/Bounds.js~Bounds.html">Bounds</a></li> <li data-ice="doc">C<a href="class/src/internal/Color.js~Color.html">Color</a></li> <li data-ice="doc">C<a href="class/src/internal/Point.js~Point.html">Point</a></li> <li data-ice="doc">C<a href="class/src/internal/PostBoard.js~PostBoard.html">PostBoard</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#manager">manager</a>C<a href="class/src/manager/AudioManager.js~_AudioManager.html">_AudioManager</a></li> <li data-ice="doc">C<a href="class/src/manager/DOMManager.js~_DOMManager.html">_DOMManager</a></li> <li data-ice="doc">C<a href="class/src/manager/EngineManager.js~_EngineManager.html">_EngineManager</a></li> <li data-ice="doc">C<a href="class/src/manager/InputManager.js~_InputManager.html">_InputManager</a></li> <li data-ice="doc">C<a href="class/src/manager/Manager.js~Manager.html">Manager</a></li> <li data-ice="doc">C<a href="class/src/manager/PersistentManager.js~_PersistentManager.html">_PersistentManager</a></li> <li data-ice="doc">C<a href="class/src/manager/PhysicsManager.js~_PhysicsManager.html">_PhysicsManager</a></li> <li data-ice="doc">C<a href="class/src/manager/ProgramManager.js~_ProgramManager.html">_ProgramManager</a></li> <li data-ice="doc">C<a href="class/src/manager/RenderManager.js~_RenderManager.html">_RenderManager</a></li> <li data-ice="doc">C<a href="class/src/manager/SceneManager.js~_SceneManager.html">_SceneManager</a></li> <li data-ice="doc">C<a href="class/src/manager/TextureManager.js~_TextureManager.html">_TextureManager</a></li> <li data-ice="doc">C<a href="class/src/manager/UIManager.js~_UIManager.html">_UIManager</a></li> <li data-ice="doc">C<a href="class/src/manager/UpdateableManager.js~_UpdateableManager.html">_UpdateableManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-AudioManager">AudioManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-DOMManager">DOMManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-EngineManager">EngineManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-InputManager">InputManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-PersistentManager">PersistentManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-PhysicsManager">PhysicsManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-ProgramManager">ProgramManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-RenderManager">RenderManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-SceneManager">SceneManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-TextureManager">TextureManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-UIManager">UIManager</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-UpdateableManager">UpdateableManager</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#object">object</a>C<a href="class/src/object/GameObject.js~GameObject.html">GameObject</a></li> <li data-ice="doc">C<a href="class/src/object/PersistentObject.js~PersistentObject.html">PersistentObject</a></li> <li data-ice="doc">C<a href="class/src/object/SceneObject.js~SceneObject.html">SceneObject</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#prefab-ui">prefab/ui</a>C<a href="class/src/prefab/ui/UIButton.js~UIButton.html">UIButton</a></li> <li data-ice="doc">C<a href="class/src/prefab/ui/UIElement.js~UIElement.html">UIElement</a></li> <li data-ice="doc">C<a href="class/src/prefab/ui/UIPanel.js~UIPanel.html">UIPanel</a></li> <li data-ice="doc">C<a href="class/src/prefab/ui/UIText.js~UIText.html">UIText</a></li> <li data-ice="doc">C<a href="class/src/prefab/ui/UITextInput.js~UITextInput.html">UITextInput</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#render">render</a>C<a href="class/src/render/Viewport.js~Viewport.html">Viewport</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#render-webgl">render/WebGL</a>C<a href="class/src/render/WebGL/Matrix.js~Matrix.html">Matrix</a></li> <li data-ice="doc">C<a href="class/src/render/WebGL/Matrix3.js~Matrix3.html">Matrix3</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#scene">scene</a>C<a href="class/src/scene/BasicScene.js~BasicScene.html">BasicScene</a></li> <li data-ice="doc">C<a href="class/src/scene/Scene.js~Scene.html">Scene</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#utils">utils</a>C<a href="class/src/utils/Loader.js~Loader.html">Loader</a></li> <li data-ice="doc">C<a href="class/src/utils/Messager.js~Messager.html">Messager</a></li> <li data-ice="doc">F<a href="function/index.html#static-function-degToRad">degToRad</a></li> <li data-ice="doc">F<a href="function/index.html#static-function-radToDeg">radToDeg</a></li> </ul> </div> </nav> <div class="content" data-ice="content"><h1 data-ice="title">src/manager/TextureManager.js</h1> <pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import Manager from './Manager'; import DOMManager from './DOMManager'; import AudioManager from './AudioManager'; /** * Manages textures in the engine so the RendererManager and Renderables * can reference one location for Textures. Essentially a texture library. */ export class _TextureManager extends Manager { constructor() { super(); this.textures = {}; this.textureIDs = []; } /** * Returns a texture JSON Object containing the texture, texture data, name and id. * * @param {number} texID Name of the texture. * * @returns {Texture Object} Returns a JSON object with Texture data. */ getTexture(texID) { if (this.textures[texID] == null) return null; return this.textures[texID]; } _setAvailableTextureID() { for (let i = 0; i < this.textureIDs.length; i++) if (!this.textureIDs[i]) { this.textureIDs[i] = true; return i; } this.textureIDs.push(true); return this.textureIDs.length - 1; } /** * Creates a Texture JSON Object and initializes the Texture with WebGL. * The Texture is added to the textures array. * * @param {string} texName Name of the texture. * @param {string} textureImageAsset Path to the texture image to load. * @param {number} frameWidth Width of sprite in spritesheet. -1 for full. * @param {number} frameHeight Height of sprite in spritesheet. -1 for full. * @param {JSON Object} glyphInfo Object defining additional info for letters to be used as a mapping for writing text. * Fonts should have these for displaying letters. Format the ojject like so: * { * //height of all letters * height: 8, * * //letter corrosponding to the location and size defined inside. * 'A': { * //the x position in pixels for this character. * x: 0, * * //width in pixels for this character. * width: 8 * } * } * * @returns {Promise} A pending promise which will return the texture reference after complete. */ addTexture(texName, textureImageAsset, frameWidth, frameHeight, glyphInfo = null) { return this._createTextureFromAsset(textureImageAsset).then((textureData) => { let texObj = this.textures[texName] = Object.assign({ name: texName, id: this._setAvailableTextureID(), frameWidth, frameHeight, glyphInfo, }, textureData); this.textures[texName].framesWidth = texObj.width / texObj.frameWidth; this.textures[texName].framesHeight = texObj.height / texObj.frameHeight; return this.textures[texName]; }) } /** * * @param {string} texName The name of the texture. * @param {Array *} textureData An array object of data, array type depending on the textureInternalFormat. * @param {GLint} textureInternalFormat Internal texture format type. * @param {GLint} textureFormat Texture format type. * @param {number} frameWidth Width of each sub sprite frame. * @param {number} frameHeight Height of each sub sprite frame. * @param {number} width Width of the texture. * @param {number} height Height of the texture. */ addDataTexture(texName, textureData, textureInternalFormat, textureFormat, textureByteType, frameWidth, frameHeight, width, height) { let tex = this._createTextureFromData(textureData, textureInternalFormat, textureFormat, textureByteType, width, height); this.textures[texName] = Object.assign({ name: texName, id: this._setAvailableTextureID(), frameWidth, frameHeight, width, height, framesWidth: width / frameWidth, framesHeight: height / frameHeight, textureInternalFormat, textureFormat, textureByteType, }, {tex}); return this.textures[texName]; } removeTexture(texName) { if (this.textures[texName] == null) return; let id = this.textures[texName].id; this.textureIDs[id] = false; this.textures[texName] = null; } updateDataTexture(texName, textureData, x1, y1, width, height) { let texture = this.getTexture(texName); DOMManager.GL.bindTexture(DOMManager.GL.TEXTURE_2D, texture.tex); DOMManager.GL.texSubImage2D(DOMManager.GL.TEXTURE_2D, 0, x1, y1, width, height, texture.textureFormat, texture.textureByteType, textureData); return texture; } addGlyphInfoToTexture(texName, glyphInfo) { let texture = this.getTexture(texName); if (texture == null) { console.error('Texture does not exist!'); return false; } texture.glyphInfo = glyphInfo; } _createTextureFromData(texData, textureInternalFormat, textureFormat, textureByteType, width, height) { let tex = DOMManager.GL.createTexture(); DOMManager.GL.bindTexture(DOMManager.GL.TEXTURE_2D, tex); DOMManager.GL.pixelStorei(DOMManager.GL.UNPACK_FLIP_Y_WEBGL, false); DOMManager.GL.texParameteri(DOMManager.GL.TEXTURE_2D, DOMManager.GL.TEXTURE_MIN_FILTER, DOMManager.GL.NEAREST); DOMManager.GL.texParameteri(DOMManager.GL.TEXTURE_2D, DOMManager.GL.TEXTURE_MAG_FILTER, DOMManager.GL.NEAREST); DOMManager.GL.texParameteri(DOMManager.GL.TEXTURE_2D, DOMManager.GL.TEXTURE_WRAP_S, DOMManager.GL.CLAMP_TO_EDGE); DOMManager.GL.texParameteri(DOMManager.GL.TEXTURE_2D, DOMManager.GL.TEXTURE_WRAP_T, DOMManager.GL.CLAMP_TO_EDGE); DOMManager.GL.texImage2D(DOMManager.GL.TEXTURE_2D, 0, textureInternalFormat, width, height, 0, textureFormat, textureByteType, texData); return tex; } /** * Private function used for initializing a Texture from a path and * binding it with WebGL. * * @param {string} asset Path to texture file. * * @returns {Promise} Returns a pending promise. */ _createTextureFromAsset(asset) { let texInfo = { tex: DOMManager.GL.createTexture(), width: 0, height: 0, framesWidth: 0, framesHeight: 0, }; return new Promise((res, rej) => { let assetLoaded = new Image(); assetLoaded.addEventListener('load', () => { texInfo.width = assetLoaded.width; texInfo.height = assetLoaded.height; DOMManager.GL.bindTexture(DOMManager.GL.TEXTURE_2D, texInfo.tex); DOMManager.GL.texParameteri(DOMManager.GL.TEXTURE_2D, DOMManager.GL.TEXTURE_WRAP_S, DOMManager.GL.CLAMP_TO_EDGE); DOMManager.GL.texParameteri(DOMManager.GL.TEXTURE_2D, DOMManager.GL.TEXTURE_WRAP_T, DOMManager.GL.CLAMP_TO_EDGE); DOMManager.GL.bindTexture(DOMManager.GL.TEXTURE_2D, texInfo.tex); DOMManager.GL.texImage2D(DOMManager.GL.TEXTURE_2D, 0, DOMManager.GL.RGBA, DOMManager.GL.RGBA, DOMManager.GL.UNSIGNED_BYTE, assetLoaded); DOMManager.GL.generateMipmap(DOMManager.GL.TEXTURE_2D); return res(texInfo); }); assetLoaded.src = asset; }) } } /** * Singleton reference to the WebGL Program Manager. */ const TextureManager = new _TextureManager(); export default TextureManager;</code></pre> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc(1.1.0)<img src="./image/esdoc-logo-mini-black.png"></a> </footer> <script src="script/search_index.js"></script> <script src="script/search.js"></script> <script src="script/pretty-print.js"></script> <script src="script/inherited-summary.js"></script> <script src="script/test-summary.js"></script> <script src="script/inner-link.js"></script> <script src="script/patch-for-local.js"></script> </body> </html>