{"ast":null,"code":"import { Texture } from \"@babylonjs/core/Materials/Textures/texture.js\";\nimport { GLTFLoader } from \"../glTFLoader.js\";\nconst NAME = \"KHR_texture_transform\";\n/**\n * [Specification](https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_texture_transform/README.md)\n */\n// eslint-disable-next-line @typescript-eslint/naming-convention\nexport class KHR_texture_transform {\n  /**\n   * @internal\n   */\n  constructor(loader) {\n    /**\n     * The name of this extension.\n     */\n    this.name = NAME;\n    this._loader = loader;\n    this.enabled = this._loader.isExtensionUsed(NAME);\n  }\n  /** @internal */\n  dispose() {\n    this._loader = null;\n  }\n  /**\n   * @internal\n   */\n  loadTextureInfoAsync(context, textureInfo, assign) {\n    return GLTFLoader.LoadExtensionAsync(context, textureInfo, this.name, (extensionContext, extension) => {\n      return this._loader.loadTextureInfoAsync(context, textureInfo, babylonTexture => {\n        if (!(babylonTexture instanceof Texture)) {\n          throw new Error(`${extensionContext}: Texture type not supported`);\n        }\n        if (extension.offset) {\n          babylonTexture.uOffset = extension.offset[0];\n          babylonTexture.vOffset = extension.offset[1];\n        }\n        // Always rotate around the origin.\n        babylonTexture.uRotationCenter = 0;\n        babylonTexture.vRotationCenter = 0;\n        if (extension.rotation) {\n          babylonTexture.wAng = -extension.rotation;\n        }\n        if (extension.scale) {\n          babylonTexture.uScale = extension.scale[0];\n          babylonTexture.vScale = extension.scale[1];\n        }\n        if (extension.texCoord != undefined) {\n          babylonTexture.coordinatesIndex = extension.texCoord;\n        }\n        assign(babylonTexture);\n      });\n    });\n  }\n}\nGLTFLoader.RegisterExtension(NAME, loader => new KHR_texture_transform(loader));","map":{"version":3,"names":["Texture","GLTFLoader","NAME","KHR_texture_transform","constructor","loader","name","_loader","enabled","isExtensionUsed","dispose","loadTextureInfoAsync","context","textureInfo","assign","LoadExtensionAsync","extensionContext","extension","babylonTexture","Error","offset","uOffset","vOffset","uRotationCenter","vRotationCenter","rotation","wAng","scale","uScale","vScale","texCoord","undefined","coordinatesIndex","RegisterExtension"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/loaders/glTF/2.0/Extensions/KHR_texture_transform.js"],"sourcesContent":["import { Texture } from \"@babylonjs/core/Materials/Textures/texture.js\";\nimport { GLTFLoader } from \"../glTFLoader.js\";\nconst NAME = \"KHR_texture_transform\";\n/**\n * [Specification](https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_texture_transform/README.md)\n */\n// eslint-disable-next-line @typescript-eslint/naming-convention\nexport class KHR_texture_transform {\n    /**\n     * @internal\n     */\n    constructor(loader) {\n        /**\n         * The name of this extension.\n         */\n        this.name = NAME;\n        this._loader = loader;\n        this.enabled = this._loader.isExtensionUsed(NAME);\n    }\n    /** @internal */\n    dispose() {\n        this._loader = null;\n    }\n    /**\n     * @internal\n     */\n    loadTextureInfoAsync(context, textureInfo, assign) {\n        return GLTFLoader.LoadExtensionAsync(context, textureInfo, this.name, (extensionContext, extension) => {\n            return this._loader.loadTextureInfoAsync(context, textureInfo, (babylonTexture) => {\n                if (!(babylonTexture instanceof Texture)) {\n                    throw new Error(`${extensionContext}: Texture type not supported`);\n                }\n                if (extension.offset) {\n                    babylonTexture.uOffset = extension.offset[0];\n                    babylonTexture.vOffset = extension.offset[1];\n                }\n                // Always rotate around the origin.\n                babylonTexture.uRotationCenter = 0;\n                babylonTexture.vRotationCenter = 0;\n                if (extension.rotation) {\n                    babylonTexture.wAng = -extension.rotation;\n                }\n                if (extension.scale) {\n                    babylonTexture.uScale = extension.scale[0];\n                    babylonTexture.vScale = extension.scale[1];\n                }\n                if (extension.texCoord != undefined) {\n                    babylonTexture.coordinatesIndex = extension.texCoord;\n                }\n                assign(babylonTexture);\n            });\n        });\n    }\n}\nGLTFLoader.RegisterExtension(NAME, (loader) => new 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