{"ast":null,"code":"import { GLTFLoader } from \"../glTFLoader.js\";\nconst NAME = \"ExtrasAsMetadata\";\n/**\n * Store glTF extras (if present) in BJS objects' metadata\n */\nexport class ExtrasAsMetadata {\n  _assignExtras(babylonObject, gltfProp) {\n    if (gltfProp.extras && Object.keys(gltfProp.extras).length > 0) {\n      const metadata = babylonObject.metadata = babylonObject.metadata || {};\n      const gltf = metadata.gltf = metadata.gltf || {};\n      gltf.extras = gltfProp.extras;\n    }\n  }\n  /**\n   * @internal\n   */\n  constructor(loader) {\n    /**\n     * The name of this extension.\n     */\n    this.name = NAME;\n    /**\n     * Defines whether this extension is enabled.\n     */\n    this.enabled = true;\n    this._loader = loader;\n  }\n  /** @internal */\n  dispose() {\n    this._loader = null;\n  }\n  /**\n   * @internal\n   */\n  loadNodeAsync(context, node, assign) {\n    return this._loader.loadNodeAsync(context, node, babylonTransformNode => {\n      this._assignExtras(babylonTransformNode, node);\n      assign(babylonTransformNode);\n    });\n  }\n  /**\n   * @internal\n   */\n  loadCameraAsync(context, camera, assign) {\n    return this._loader.loadCameraAsync(context, camera, babylonCamera => {\n      this._assignExtras(babylonCamera, camera);\n      assign(babylonCamera);\n    });\n  }\n  /**\n   * @internal\n   */\n  createMaterial(context, material, babylonDrawMode) {\n    const babylonMaterial = this._loader.createMaterial(context, material, babylonDrawMode);\n    this._assignExtras(babylonMaterial, material);\n    return babylonMaterial;\n  }\n}\nGLTFLoader.RegisterExtension(NAME, loader => new ExtrasAsMetadata(loader));","map":{"version":3,"names":["GLTFLoader","NAME","ExtrasAsMetadata","_assignExtras","babylonObject","gltfProp","extras","Object","keys","length","metadata","gltf","constructor","loader","name","enabled","_loader","dispose","loadNodeAsync","context","node","assign","babylonTransformNode","loadCameraAsync","camera","babylonCamera","createMaterial","material","babylonDrawMode","babylonMaterial","RegisterExtension"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/loaders/glTF/2.0/Extensions/ExtrasAsMetadata.js"],"sourcesContent":["import { GLTFLoader } from \"../glTFLoader.js\";\nconst NAME = \"ExtrasAsMetadata\";\n/**\n * Store glTF extras (if present) in BJS objects' metadata\n */\nexport class ExtrasAsMetadata {\n    _assignExtras(babylonObject, gltfProp) {\n        if (gltfProp.extras && Object.keys(gltfProp.extras).length > 0) {\n            const metadata = (babylonObject.metadata = babylonObject.metadata || {});\n            const gltf = (metadata.gltf = metadata.gltf || {});\n            gltf.extras = gltfProp.extras;\n        }\n    }\n    /**\n     * @internal\n     */\n    constructor(loader) {\n        /**\n         * The name of this extension.\n         */\n        this.name = NAME;\n        /**\n         * Defines whether this extension is enabled.\n         */\n        this.enabled = true;\n        this._loader = loader;\n    }\n    /** @internal */\n    dispose() {\n        this._loader = null;\n    }\n    /**\n     * @internal\n     */\n    loadNodeAsync(context, node, assign) {\n        return this._loader.loadNodeAsync(context, node, (babylonTransformNode) => {\n            this._assignExtras(babylonTransformNode, node);\n            assign(babylonTransformNode);\n        });\n    }\n    /**\n     * @internal\n     */\n    loadCameraAsync(context, camera, assign) {\n        return this._loader.loadCameraAsync(context, camera, (babylonCamera) => {\n            this._assignExtras(babylonCamera, camera);\n            assign(babylonCamera);\n        });\n    }\n    /**\n     * @internal\n     */\n    createMaterial(context, material, babylonDrawMode) {\n        const babylonMaterial = this._loader.createMaterial(context, material, babylonDrawMode);\n        this._assignExtras(babylonMaterial, material);\n        return babylonMaterial;\n    }\n}\nGLTFLoader.RegisterExtension(NAME, (loader) => new 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