| 1 | {"version":3,"file":"CubeResource.js","sources":["../../../src/textures/resources/CubeResource.ts"],"sourcesContent":["import { TARGETS } from '@pixi/constants';\nimport { AbstractMultiResource } from './AbstractMultiResource';\n\nimport type { ISize } from '@pixi/math';\nimport type { ArrayFixed } from '@pixi/utils';\nimport type { Renderer } from '../../Renderer';\nimport type { BaseTexture } from '../BaseTexture';\nimport type { GLTexture } from '../GLTexture';\nimport type { Resource } from './Resource';\n\n/**\n * Constructor options for CubeResource.\n * @memberof PIXI\n */\nexport interface ICubeResourceOptions extends ISize\n{\n /** Whether to auto-load resources */\n autoLoad?: boolean;\n\n /** In case BaseTextures are supplied, whether to copy them or use. */\n linkBaseTexture?: boolean;\n}\n\n/**\n * Resource for a CubeTexture which contains six resources.\n * @memberof PIXI\n */\nexport class CubeResource extends AbstractMultiResource\n{\n items: ArrayFixed<BaseTexture, 6>;\n\n /**\n * In case BaseTextures are supplied, whether to use same resource or bind baseTexture itself.\n * @protected\n */\n linkBaseTexture: boolean;\n\n /**\n * @param {Array<string|PIXI.Resource>} [source] - Collection of URLs or resources\n * to use as the sides of the cube.\n * @param options - ImageResource options\n * @param {number} [options.width] - Width of resource\n * @param {number} [options.height] - Height of resource\n * @param {number} [options.autoLoad=true] - Whether to auto-load resources\n * @param {number} [options.linkBaseTexture=true] - In case BaseTextures are supplied,\n * whether to copy them or use\n */\n constructor(source?: ArrayFixed<string | Resource, 6>, options?: ICubeResourceOptions)\n {\n const { width, height, autoLoad, linkBaseTexture } = options || {};\n\n if (source && source.length !== CubeResource.SIDES)\n {\n throw new Error(`Invalid length. Got ${source.length}, expected 6`);\n }\n\n super(6, { width, height });\n\n for (let i = 0; i < CubeResource.SIDES; i++)\n {\n this.items[i].target = TARGETS.TEXTURE_CUBE_MAP_POSITIVE_X + i;\n }\n\n this.linkBaseTexture = linkBaseTexture !== false;\n\n if (source)\n {\n this.initFromArray(source, options);\n }\n\n if (autoLoad !== false)\n {\n this.load();\n }\n }\n\n /**\n * Add binding.\n * @param baseTexture - parent base texture\n */\n bind(baseTexture: BaseTexture): void\n {\n super.bind(baseTexture);\n\n baseTexture.target = TARGETS.TEXTURE_CUBE_MAP;\n }\n\n addBaseTextureAt(baseTexture: BaseTexture, index: number, linkBaseTexture?: boolean): this\n {\n if (linkBaseTexture === undefined)\n {\n linkBaseTexture = this.linkBaseTexture;\n }\n\n if (!this.items[index])\n {\n throw new Error(`Index ${index} is out of bounds`);\n }\n\n if (!this.linkBaseTexture\n || baseTexture.parentTextureArray\n || Object.keys(baseTexture._glTextures).length > 0)\n {\n // copy mode\n if (baseTexture.resource)\n {\n this.addResourceAt(baseTexture.resource, index);\n }\n else\n {\n throw new Error(`CubeResource does not support copying of renderTexture.`);\n }\n }\n else\n {\n // link mode, the difficult one!\n baseTexture.target = TARGETS.TEXTURE_CUBE_MAP_POSITIVE_X + index;\n baseTexture.parentTextureArray = this.baseTexture;\n\n this.items[index] = baseTexture;\n }\n\n if (baseTexture.valid && !this.valid)\n {\n this.resize(baseTexture.realWidth, baseTexture.realHeight);\n }\n\n this.items[index] = baseTexture;\n\n return this;\n }\n\n /**\n * Upload the resource\n * @param renderer\n * @param _baseTexture\n * @param glTexture\n * @returns {boolean} true is success\n */\n upload(renderer: Renderer, _baseTexture: BaseTexture, glTexture: GLTexture): boolean\n {\n const dirty = this.itemDirtyIds;\n\n for (let i = 0; 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