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{"version":3,"file":"spritesheetAsset.mjs","sources":["../../src/spritesheet/spritesheetAsset.ts"],"sourcesContent":["import { LoaderParserPriority } from '../assets/loader/parsers/LoaderParser';\nimport { Resolver } from '../assets/resolver/Resolver';\nimport { copySearchParams } from '../assets/utils/copySearchParams';\nimport { ExtensionType } from '../extensions/Extensions';\nimport { Texture } from '../rendering/renderers/shared/texture/Texture';\nimport { path } from '../utils/path';\nimport { Spritesheet } from './Spritesheet';\n\nimport type { AssetExtensionAdvanced } from '../assets/AssetExtension';\nimport type { Loader } from '../assets/loader/Loader';\nimport type { ResolvedAsset } from '../assets/types';\nimport type { SpritesheetData } from './Spritesheet';\n\nexport interface SpriteSheetJson extends SpritesheetData\n{\n meta: {\n image: string;\n scale: string;\n // eslint-disable-next-line camelcase\n related_multi_packs?: string[];\n };\n}\n\nconst validImages = ['jpg', 'png', 'jpeg', 'avif', 'webp',\n 'basis', 'etc2', 'bc7', 'bc6h', 'bc5', 'bc4', 'bc3', 'bc2', 'bc1', 'eac', 'astc'];\n\nfunction getCacheableAssets(keys: string[], asset: Spritesheet, ignoreMultiPack: boolean)\n{\n const out: Record<string, any> = {};\n\n keys.forEach((key: string) =>\n {\n out[key] = asset;\n });\n\n Object.keys(asset.textures).forEach((key) =>\n {\n out[key] = asset.textures[key];\n });\n\n if (!ignoreMultiPack)\n {\n const basePath = path.dirname(keys[0]);\n\n asset.linkedSheets.forEach((item: Spritesheet, i) =>\n {\n const out2 = getCacheableAssets([`${basePath}/${asset.data.meta.related_multi_packs[i]}`], item, true);\n\n Object.assign(out, out2);\n });\n }\n\n return out;\n}\n\n/**\n * Asset extension for loading spritesheets\n * @example\n * import { Assets } from 'pixi.js';\n *\n * Assets.load({\n * alias: 'spritesheet',\n * src: 'path/to/spritesheet.json',\n * data: {\n * ignoreMultiPack: true,\n * }\n * })\n * @type {AssetExtension}\n * @memberof assets\n */\nexport const spritesheetAsset = {\n extension: ExtensionType.Asset,\n /** Handle the caching of the related Spritesheet Textures */\n cache: {\n test: (asset: Spritesheet) => asset instanceof Spritesheet,\n getCacheableAssets: (keys: string[], asset: Spritesheet) => getCacheableAssets(keys, asset, false),\n },\n /** Resolve the resolution of the asset. */\n resolver: {\n extension: {\n type: ExtensionType.ResolveParser,\n name: 'resolveSpritesheet',\n },\n test: (value: string): boolean =>\n {\n const tempURL = value.split('?')[0];\n const split = tempURL.split('.');\n const extension = split.pop();\n const format = split.pop();\n\n return extension === 'json' && validImages.includes(format);\n },\n parse: (value: string) =>\n {\n const split = value.split('.');\n\n return {\n resolution: parseFloat(Resolver.RETINA_PREFIX.exec(value)?.[1] ?? '1'),\n format: split[split.length - 2],\n src: value,\n };\n },\n },\n /**\n * Loader plugin that parses sprite sheets!\n * once the JSON has been loaded this checks to see if the JSON is spritesheet data.\n * If it is, we load the spritesheets image and parse the data into Spritesheet\n * All textures in the sprite sheet are then added to the cache\n */\n loader: {\n name: 'spritesheetLoader',\n\n extension: {\n type: ExtensionType.LoadParser,\n priority: LoaderParserPriority.Normal,\n name: 'spritesheetLoader',\n },\n\n async testParse(asset: SpriteSheetJson, options: ResolvedAsset): Promise<boolean>\n {\n return (path.extname(options.src).toLowerCase() === '.json' && !!asset.frames);\n },\n\n async parse(\n asset: SpriteSheetJson,\n options: ResolvedAsset<{texture?: Texture, imageFilename?: string, ignoreMultiPack?: boolean}>,\n loader?: Loader\n ): Promise<Spritesheet>\n {\n const {\n texture: imageTexture, // if user need to use preloaded texture\n imageFilename // if user need to use custom filename (not from jsonFile.meta.image)\n } = options?.data ?? {};\n\n let basePath = path.dirname(options.src);\n\n if (basePath && basePath.lastIndexOf('/') !== (basePath.length - 1))\n {\n basePath += '/';\n }\n\n let texture: Texture;\n\n if (imageTexture instanceof Texture)\n {\n texture = imageTexture;\n }\n else\n {\n const imagePath = copySearchParams(basePath + (imageFilename ?? asset.meta.image), options.src);\n\n const assets = await loader.load<Texture>([imagePath]);\n\n texture = assets[imagePath];\n }\n\n const spritesheet = new Spritesheet(\n texture.source,\n asset,\n );\n\n await spritesheet.parse();\n\n // Check and add the multi atlas\n // Heavily influenced and based on https://github.com/rocket-ua/pixi-tps-loader/blob/master/src/ResourceLoader.js\n // eslint-disable-next-line camelcase\n const multiPacks = asset?.meta?.related_multi_packs;\n\n if (Array.isArray(multiPacks))\n {\n const promises: Promise<Spritesheet<SpriteSheetJson>>[] = [];\n\n for (const item of multiPacks)\n {\n if (typeof item !== 'string')\n {\n continue;\n }\n\n let itemUrl = basePath + item;\n\n // Check if the file wasn't already added as multipack\n if (options.data?.ignoreMultiPack)\n {\n continue;\n }\n\n itemUrl = copySearchParams(itemUrl, options.src);\n\n promises.push(loader.load<Spritesheet<SpriteSheetJson>>({\n src: itemUrl,\n data: {\n ignoreMultiPack: true,\n }\n }));\n }\n\n const res = await Promise.all(promises);\n\n spritesheet.linkedSheets = res;\n res.forEach((item) =>\n {\n item.linkedSheets = [spritesheet].concat(spritesheet.linkedSheets.filter((sp) => (sp !== item)));\n });\n }\n\n return spritesheet;\n },\n\n async unload(spritesheet: Spritesheet, _resolvedAsset, loader)\n {\n await loader.unload(spritesheet.textureSource._sourceOrigin);\n\n spritesheet.destroy(false);\n },\n }\n} satisfies AssetExtensionAdvanced<SpriteSheetJson, Spritesheet, Spritesheet, 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