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@@ -0,0 +1,3364 @@
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+/**
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+ * @author Rich Tibbett / https://github.com/richtr
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+ * @author mrdoob / http://mrdoob.com/
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+ * @author Tony Parisi / http://www.tonyparisi.com/
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+ * @author Takahiro / https://github.com/takahirox
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+ * @author Don McCurdy / https://www.donmccurdy.com
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+ */
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+
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+THREE.GLTFLoader = ( function () {
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+
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+ function GLTFLoader( manager ) {
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+
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+ this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
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+ this.dracoLoader = null;
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+
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+ }
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+
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+ GLTFLoader.prototype = {
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+
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+ constructor: GLTFLoader,
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+
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+ crossOrigin: 'anonymous',
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+
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+ load: function ( url, onLoad, onProgress, onError ) {
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+
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+ var scope = this;
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+
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+ var resourcePath;
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+
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+ if ( this.resourcePath !== undefined ) {
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+
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+ resourcePath = this.resourcePath;
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+
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+ } else if ( this.path !== undefined ) {
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+
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+ resourcePath = this.path;
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+
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+ } else {
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+
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+ resourcePath = THREE.LoaderUtils.extractUrlBase( url );
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+
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+ }
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+
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+ // Tells the LoadingManager to track an extra item, which resolves after
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+ // the model is fully loaded. This means the count of items loaded will
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+ // be incorrect, but ensures manager.onLoad() does not fire early.
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+ scope.manager.itemStart( url );
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+
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+ var _onError = function ( e ) {
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+
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+ if ( onError ) {
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+
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+ onError( e );
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+
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+ } else {
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+
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+ console.error( e );
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+
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+ }
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+
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+ scope.manager.itemError( url );
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+ scope.manager.itemEnd( url );
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+
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+ };
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+
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+ var loader = new THREE.FileLoader( scope.manager );
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+
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+ loader.setPath( this.path );
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+ loader.setResponseType( 'arraybuffer' );
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+
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+ loader.load( url, function ( data ) {
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+
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+ try {
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+
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+ scope.parse( data, resourcePath, function ( gltf ) {
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+
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+ onLoad( gltf );
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+
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+ scope.manager.itemEnd( url );
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+
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+ }, _onError );
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+
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+ } catch ( e ) {
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+
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+ _onError( e );
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+
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+ }
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+
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+ }, onProgress, _onError );
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+
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+ },
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+
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+ setCrossOrigin: function ( value ) {
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+
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+ this.crossOrigin = value;
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+ return this;
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+
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+ },
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+
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+ setPath: function ( value ) {
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+
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+ this.path = value;
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+ return this;
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+
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+ },
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+
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+ setResourcePath: function ( value ) {
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+
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+ this.resourcePath = value;
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+ return this;
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+
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+ },
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+
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+ setDRACOLoader: function ( dracoLoader ) {
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+
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+ this.dracoLoader = dracoLoader;
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+ return this;
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+
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+ },
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+
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+ parse: function ( data, path, onLoad, onError ) {
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+
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+ var content;
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+ var extensions = {};
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+
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+ if ( typeof data === 'string' ) {
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+
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+ content = data;
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+
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+ } else {
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+
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+ var magic = THREE.LoaderUtils.decodeText( new Uint8Array( data, 0, 4 ) );
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+
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+ if ( magic === BINARY_EXTENSION_HEADER_MAGIC ) {
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+
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+ try {
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+
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+ extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );
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+
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+ } catch ( error ) {
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+
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+ if ( onError ) onError( error );
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+ return;
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+
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+ }
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+
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+ content = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content;
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+
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+ } else {
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+
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+ content = THREE.LoaderUtils.decodeText( new Uint8Array( data ) );
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+
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+ }
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+
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+ }
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+
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+ var json = JSON.parse( content );
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+
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+ if ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) {
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+
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+ if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported. Use LegacyGLTFLoader instead.' ) );
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+ return;
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+
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+ }
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+
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+ if ( json.extensionsUsed ) {
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+
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+ for ( var i = 0; i < json.extensionsUsed.length; ++ i ) {
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+
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+ var extensionName = json.extensionsUsed[ i ];
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+ var extensionsRequired = json.extensionsRequired || [];
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+
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+ switch ( extensionName ) {
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+
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+ case EXTENSIONS.KHR_LIGHTS_PUNCTUAL:
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+ extensions[ extensionName ] = new GLTFLightsExtension( json );
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+ break;
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+
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+ case EXTENSIONS.KHR_MATERIALS_UNLIT:
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+ extensions[ extensionName ] = new GLTFMaterialsUnlitExtension( json );
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+ break;
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+
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+ case EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:
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+ extensions[ extensionName ] = new GLTFMaterialsPbrSpecularGlossinessExtension( json );
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+ break;
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+
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+ case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:
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+ extensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader );
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+ break;
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+
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+ case EXTENSIONS.MSFT_TEXTURE_DDS:
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+ extensions[ EXTENSIONS.MSFT_TEXTURE_DDS ] = new GLTFTextureDDSExtension( json );
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+ break;
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+
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+ case EXTENSIONS.KHR_TEXTURE_TRANSFORM:
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+ extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] = new GLTFTextureTransformExtension( json );
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+ break;
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+
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+ default:
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+
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+ if ( extensionsRequired.indexOf( extensionName ) >= 0 ) {
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+
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+ console.warn( 'THREE.GLTFLoader: Unknown extension "' + extensionName + '".' );
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+
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+ }
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+
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+ }
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+
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+ }
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+
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+ }
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+
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+ var parser = new GLTFParser( json, extensions, {
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+
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+ path: path || this.resourcePath || '',
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+ crossOrigin: this.crossOrigin,
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+ manager: this.manager
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+
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+ } );
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+
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+ parser.parse( function ( scene, scenes, cameras, animations, json ) {
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+
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+ var glTF = {
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+ scene: scene,
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+ scenes: scenes,
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+ cameras: cameras,
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+ animations: animations,
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+ asset: json.asset,
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+ parser: parser,
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+ userData: {}
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+ };
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+
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+ addUnknownExtensionsToUserData( extensions, glTF, json );
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+
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+ onLoad( glTF );
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+
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+ }, onError );
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+
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+ }
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+
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+ };
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+
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+ /* GLTFREGISTRY */
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+
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+ function GLTFRegistry() {
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+
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+ var objects = {};
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+
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+ return {
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+
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+ get: function ( key ) {
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+
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+ return objects[ key ];
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+
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+ },
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+
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+ add: function ( key, object ) {
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+
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+ objects[ key ] = object;
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+
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+ },
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+
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+ remove: function ( key ) {
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+
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+ delete objects[ key ];
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+
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+ },
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+
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+ removeAll: function () {
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+
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+ objects = {};
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+
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+ }
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+
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+ };
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+
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+ }
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+
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+ /*********************************/
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+ /********** EXTENSIONS ***********/
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+ /*********************************/
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+
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+ var EXTENSIONS = {
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+ KHR_BINARY_GLTF: 'KHR_binary_glTF',
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+ KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',
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+ KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',
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+ KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
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+ KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
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+ KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',
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+ MSFT_TEXTURE_DDS: 'MSFT_texture_dds'
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+ };
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+
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+ /**
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+ * DDS Texture Extension
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+ *
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+ * Specification:
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+ * https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/MSFT_texture_dds
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+ *
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+ */
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+ function GLTFTextureDDSExtension() {
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+
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+ if ( ! THREE.DDSLoader ) {
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+
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+ throw new Error( 'THREE.GLTFLoader: Attempting to load .dds texture without importing THREE.DDSLoader' );
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+
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+ }
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+
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+ this.name = EXTENSIONS.MSFT_TEXTURE_DDS;
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+ this.ddsLoader = new THREE.DDSLoader();
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+
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+ }
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+
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+ /**
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+ * Lights Extension
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+ *
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+ * Specification: PENDING
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+ */
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+ function GLTFLightsExtension( json ) {
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+
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+ this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL;
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+
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+ var extension = ( json.extensions && json.extensions[ EXTENSIONS.KHR_LIGHTS_PUNCTUAL ] ) || {};
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+ this.lightDefs = extension.lights || [];
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+
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+ }
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+
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+ GLTFLightsExtension.prototype.loadLight = function ( lightIndex ) {
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+
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+ var lightDef = this.lightDefs[ lightIndex ];
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+ var lightNode;
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+
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+ var color = new THREE.Color( 0xffffff );
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+ if ( lightDef.color !== undefined ) color.fromArray( lightDef.color );
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+
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+ var range = lightDef.range !== undefined ? lightDef.range : 0;
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+
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+ switch ( lightDef.type ) {
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+
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+ case 'directional':
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+ lightNode = new THREE.DirectionalLight( color );
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+ lightNode.target.position.set( 0, 0, -1 );
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+ lightNode.add( lightNode.target );
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+ break;
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+
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+ case 'point':
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+ lightNode = new THREE.PointLight( color );
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+ lightNode.distance = range;
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+ break;
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+
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+ case 'spot':
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+ lightNode = new THREE.SpotLight( color );
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+ lightNode.distance = range;
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+ // Handle spotlight properties.
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+ lightDef.spot = lightDef.spot || {};
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+ lightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;
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+ lightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;
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+ lightNode.angle = lightDef.spot.outerConeAngle;
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+ lightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;
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+ lightNode.target.position.set( 0, 0, -1 );
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+ lightNode.add( lightNode.target );
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+ break;
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+
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+ default:
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+ throw new Error( 'THREE.GLTFLoader: Unexpected light type, "' + lightDef.type + '".' );
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+
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+ }
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+
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+ lightNode.decay = 2;
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+
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+ if ( lightDef.intensity !== undefined ) lightNode.intensity = lightDef.intensity;
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+
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+ lightNode.name = lightDef.name || ( 'light_' + lightIndex );
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+
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+ return Promise.resolve( lightNode );
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+
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+ };
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+
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+ /**
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+ * Unlit Materials Extension (pending)
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+ *
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+ * PR: https://github.com/KhronosGroup/glTF/pull/1163
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+ */
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+ function GLTFMaterialsUnlitExtension( json ) {
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+
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+ this.name = EXTENSIONS.KHR_MATERIALS_UNLIT;
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+
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+ }
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+
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+ GLTFMaterialsUnlitExtension.prototype.getMaterialType = function ( material ) {
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+
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+ return THREE.MeshBasicMaterial;
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+
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+ };
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+
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+ GLTFMaterialsUnlitExtension.prototype.extendParams = function ( materialParams, material, parser ) {
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+
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+ var pending = [];
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+
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+ materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
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+ materialParams.opacity = 1.0;
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+
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+ var metallicRoughness = material.pbrMetallicRoughness;
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+
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+ if ( metallicRoughness ) {
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+
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+ if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
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+
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+ var array = metallicRoughness.baseColorFactor;
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+
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+ materialParams.color.fromArray( array );
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+ materialParams.opacity = array[ 3 ];
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+
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+ }
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+
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+ if ( metallicRoughness.baseColorTexture !== undefined ) {
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+
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+ pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture ) );
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+
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+ }
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+
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+ }
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+
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+ return Promise.all( pending );
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+
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+ };
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+
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+ /* BINARY EXTENSION */
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+
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+ var BINARY_EXTENSION_BUFFER_NAME = 'binary_glTF';
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+ var BINARY_EXTENSION_HEADER_MAGIC = 'glTF';
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+ var BINARY_EXTENSION_HEADER_LENGTH = 12;
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+ var BINARY_EXTENSION_CHUNK_TYPES = { JSON: 0x4E4F534A, BIN: 0x004E4942 };
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+
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+ function GLTFBinaryExtension( data ) {
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+
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+ this.name = EXTENSIONS.KHR_BINARY_GLTF;
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+ this.content = null;
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+ this.body = null;
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+
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+ var headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );
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+
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+ this.header = {
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+ magic: THREE.LoaderUtils.decodeText( new Uint8Array( data.slice( 0, 4 ) ) ),
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+ version: headerView.getUint32( 4, true ),
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+ length: headerView.getUint32( 8, true )
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+ };
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+
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+ if ( this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC ) {
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+
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+ throw new Error( 'THREE.GLTFLoader: Unsupported glTF-Binary header.' );
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+
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+ } else if ( this.header.version < 2.0 ) {
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+
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|
|
+ throw new Error( 'THREE.GLTFLoader: Legacy binary file detected. Use LegacyGLTFLoader instead.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH );
|
|
|
+ var chunkIndex = 0;
|
|
|
+
|
|
|
+ while ( chunkIndex < chunkView.byteLength ) {
|
|
|
+
|
|
|
+ var chunkLength = chunkView.getUint32( chunkIndex, true );
|
|
|
+ chunkIndex += 4;
|
|
|
+
|
|
|
+ var chunkType = chunkView.getUint32( chunkIndex, true );
|
|
|
+ chunkIndex += 4;
|
|
|
+
|
|
|
+ if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) {
|
|
|
+
|
|
|
+ var contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength );
|
|
|
+ this.content = THREE.LoaderUtils.decodeText( contentArray );
|
|
|
+
|
|
|
+ } else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) {
|
|
|
+
|
|
|
+ var byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;
|
|
|
+ this.body = data.slice( byteOffset, byteOffset + chunkLength );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Clients must ignore chunks with unknown types.
|
|
|
+
|
|
|
+ chunkIndex += chunkLength;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( this.content === null ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: JSON content not found.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * DRACO Mesh Compression Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/pull/874
|
|
|
+ */
|
|
|
+ function GLTFDracoMeshCompressionExtension( json, dracoLoader ) {
|
|
|
+
|
|
|
+ if ( ! dracoLoader ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: No DRACOLoader instance provided.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
|
|
|
+ this.json = json;
|
|
|
+ this.dracoLoader = dracoLoader;
|
|
|
+ THREE.DRACOLoader.getDecoderModule();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFDracoMeshCompressionExtension.prototype.decodePrimitive = function ( primitive, parser ) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+ var dracoLoader = this.dracoLoader;
|
|
|
+ var bufferViewIndex = primitive.extensions[ this.name ].bufferView;
|
|
|
+ var gltfAttributeMap = primitive.extensions[ this.name ].attributes;
|
|
|
+ var threeAttributeMap = {};
|
|
|
+ var attributeNormalizedMap = {};
|
|
|
+ var attributeTypeMap = {};
|
|
|
+
|
|
|
+ for ( var attributeName in gltfAttributeMap ) {
|
|
|
+
|
|
|
+ if ( ! ( attributeName in ATTRIBUTES ) ) continue;
|
|
|
+
|
|
|
+ threeAttributeMap[ ATTRIBUTES[ attributeName ] ] = gltfAttributeMap[ attributeName ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for ( attributeName in primitive.attributes ) {
|
|
|
+
|
|
|
+ if ( ATTRIBUTES[ attributeName ] !== undefined && gltfAttributeMap[ attributeName ] !== undefined ) {
|
|
|
+
|
|
|
+ var accessorDef = json.accessors[ primitive.attributes[ attributeName ] ];
|
|
|
+ var componentType = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
|
|
|
+
|
|
|
+ attributeTypeMap[ ATTRIBUTES[ attributeName ] ] = componentType;
|
|
|
+ attributeNormalizedMap[ ATTRIBUTES[ attributeName ] ] = accessorDef.normalized === true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return parser.getDependency( 'bufferView', bufferViewIndex ).then( function ( bufferView ) {
|
|
|
+
|
|
|
+ return new Promise( function ( resolve ) {
|
|
|
+
|
|
|
+ dracoLoader.decodeDracoFile( bufferView, function ( geometry ) {
|
|
|
+
|
|
|
+ for ( var attributeName in geometry.attributes ) {
|
|
|
+
|
|
|
+ var attribute = geometry.attributes[ attributeName ];
|
|
|
+ var normalized = attributeNormalizedMap[ attributeName ];
|
|
|
+
|
|
|
+ if ( normalized !== undefined ) attribute.normalized = normalized;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ resolve( geometry );
|
|
|
+
|
|
|
+ }, threeAttributeMap, attributeTypeMap );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Texture Transform Extension
|
|
|
+ *
|
|
|
+ * Specification:
|
|
|
+ */
|
|
|
+ function GLTFTextureTransformExtension( json ) {
|
|
|
+
|
|
|
+ this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFTextureTransformExtension.prototype.extendTexture = function ( texture, transform ) {
|
|
|
+
|
|
|
+ texture = texture.clone();
|
|
|
+
|
|
|
+ if ( transform.offset !== undefined ) {
|
|
|
+
|
|
|
+ texture.offset.fromArray( transform.offset );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( transform.rotation !== undefined ) {
|
|
|
+
|
|
|
+ texture.rotation = transform.rotation;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( transform.scale !== undefined ) {
|
|
|
+
|
|
|
+ texture.repeat.fromArray( transform.scale );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( transform.texCoord !== undefined ) {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Custom UV sets in "' + this.name + '" extension not yet supported.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ texture.needsUpdate = true;
|
|
|
+
|
|
|
+ return texture;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specular-Glossiness Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_pbrSpecularGlossiness
|
|
|
+ */
|
|
|
+ function GLTFMaterialsPbrSpecularGlossinessExtension() {
|
|
|
+
|
|
|
+ return {
|
|
|
+
|
|
|
+ name: EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
|
|
|
+
|
|
|
+ specularGlossinessParams: [
|
|
|
+ 'color',
|
|
|
+ 'map',
|
|
|
+ 'lightMap',
|
|
|
+ 'lightMapIntensity',
|
|
|
+ 'aoMap',
|
|
|
+ 'aoMapIntensity',
|
|
|
+ 'emissive',
|
|
|
+ 'emissiveIntensity',
|
|
|
+ 'emissiveMap',
|
|
|
+ 'bumpMap',
|
|
|
+ 'bumpScale',
|
|
|
+ 'normalMap',
|
|
|
+ 'displacementMap',
|
|
|
+ 'displacementScale',
|
|
|
+ 'displacementBias',
|
|
|
+ 'specularMap',
|
|
|
+ 'specular',
|
|
|
+ 'glossinessMap',
|
|
|
+ 'glossiness',
|
|
|
+ 'alphaMap',
|
|
|
+ 'envMap',
|
|
|
+ 'envMapIntensity',
|
|
|
+ 'refractionRatio',
|
|
|
+ ],
|
|
|
+
|
|
|
+ getMaterialType: function () {
|
|
|
+
|
|
|
+ return THREE.ShaderMaterial;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ extendParams: function ( params, material, parser ) {
|
|
|
+
|
|
|
+ var pbrSpecularGlossiness = material.extensions[ this.name ];
|
|
|
+
|
|
|
+ var shader = THREE.ShaderLib[ 'standard' ];
|
|
|
+
|
|
|
+ var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
|
|
|
+
|
|
|
+ var specularMapParsFragmentChunk = [
|
|
|
+ '#ifdef USE_SPECULARMAP',
|
|
|
+ ' uniform sampler2D specularMap;',
|
|
|
+ '#endif'
|
|
|
+ ].join( '\n' );
|
|
|
+
|
|
|
+ var glossinessMapParsFragmentChunk = [
|
|
|
+ '#ifdef USE_GLOSSINESSMAP',
|
|
|
+ ' uniform sampler2D glossinessMap;',
|
|
|
+ '#endif'
|
|
|
+ ].join( '\n' );
|
|
|
+
|
|
|
+ var specularMapFragmentChunk = [
|
|
|
+ 'vec3 specularFactor = specular;',
|
|
|
+ '#ifdef USE_SPECULARMAP',
|
|
|
+ ' vec4 texelSpecular = texture2D( specularMap, vUv );',
|
|
|
+ ' texelSpecular = sRGBToLinear( texelSpecular );',
|
|
|
+ ' // reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture',
|
|
|
+ ' specularFactor *= texelSpecular.rgb;',
|
|
|
+ '#endif'
|
|
|
+ ].join( '\n' );
|
|
|
+
|
|
|
+ var glossinessMapFragmentChunk = [
|
|
|
+ 'float glossinessFactor = glossiness;',
|
|
|
+ '#ifdef USE_GLOSSINESSMAP',
|
|
|
+ ' vec4 texelGlossiness = texture2D( glossinessMap, vUv );',
|
|
|
+ ' // reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture',
|
|
|
+ ' glossinessFactor *= texelGlossiness.a;',
|
|
|
+ '#endif'
|
|
|
+ ].join( '\n' );
|
|
|
+
|
|
|
+ var lightPhysicalFragmentChunk = [
|
|
|
+ 'PhysicalMaterial material;',
|
|
|
+ 'material.diffuseColor = diffuseColor.rgb;',
|
|
|
+ 'material.specularRoughness = clamp( 1.0 - glossinessFactor, 0.04, 1.0 );',
|
|
|
+ 'material.specularColor = specularFactor.rgb;',
|
|
|
+ ].join( '\n' );
|
|
|
+
|
|
|
+ var fragmentShader = shader.fragmentShader
|
|
|
+ .replace( 'uniform float roughness;', 'uniform vec3 specular;' )
|
|
|
+ .replace( 'uniform float metalness;', 'uniform float glossiness;' )
|
|
|
+ .replace( '#include <roughnessmap_pars_fragment>', specularMapParsFragmentChunk )
|
|
|
+ .replace( '#include <metalnessmap_pars_fragment>', glossinessMapParsFragmentChunk )
|
|
|
+ .replace( '#include <roughnessmap_fragment>', specularMapFragmentChunk )
|
|
|
+ .replace( '#include <metalnessmap_fragment>', glossinessMapFragmentChunk )
|
|
|
+ .replace( '#include <lights_physical_fragment>', lightPhysicalFragmentChunk );
|
|
|
+
|
|
|
+ delete uniforms.roughness;
|
|
|
+ delete uniforms.metalness;
|
|
|
+ delete uniforms.roughnessMap;
|
|
|
+ delete uniforms.metalnessMap;
|
|
|
+
|
|
|
+ uniforms.specular = { value: new THREE.Color().setHex( 0x111111 ) };
|
|
|
+ uniforms.glossiness = { value: 0.5 };
|
|
|
+ uniforms.specularMap = { value: null };
|
|
|
+ uniforms.glossinessMap = { value: null };
|
|
|
+
|
|
|
+ params.vertexShader = shader.vertexShader;
|
|
|
+ params.fragmentShader = fragmentShader;
|
|
|
+ params.uniforms = uniforms;
|
|
|
+ params.defines = { 'STANDARD': '' };
|
|
|
+
|
|
|
+ params.color = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
+ params.opacity = 1.0;
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ if ( Array.isArray( pbrSpecularGlossiness.diffuseFactor ) ) {
|
|
|
+
|
|
|
+ var array = pbrSpecularGlossiness.diffuseFactor;
|
|
|
+
|
|
|
+ params.color.fromArray( array );
|
|
|
+ params.opacity = array[ 3 ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( pbrSpecularGlossiness.diffuseTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( params, 'map', pbrSpecularGlossiness.diffuseTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ params.emissive = new THREE.Color( 0.0, 0.0, 0.0 );
|
|
|
+ params.glossiness = pbrSpecularGlossiness.glossinessFactor !== undefined ? pbrSpecularGlossiness.glossinessFactor : 1.0;
|
|
|
+ params.specular = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
+
|
|
|
+ if ( Array.isArray( pbrSpecularGlossiness.specularFactor ) ) {
|
|
|
+
|
|
|
+ params.specular.fromArray( pbrSpecularGlossiness.specularFactor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( pbrSpecularGlossiness.specularGlossinessTexture !== undefined ) {
|
|
|
+
|
|
|
+ var specGlossMapDef = pbrSpecularGlossiness.specularGlossinessTexture;
|
|
|
+ pending.push( parser.assignTexture( params, 'glossinessMap', specGlossMapDef ) );
|
|
|
+ pending.push( parser.assignTexture( params, 'specularMap', specGlossMapDef ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending );
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ createMaterial: function ( params ) {
|
|
|
+
|
|
|
+ // setup material properties based on MeshStandardMaterial for Specular-Glossiness
|
|
|
+
|
|
|
+ var material = new THREE.ShaderMaterial( {
|
|
|
+ defines: params.defines,
|
|
|
+ vertexShader: params.vertexShader,
|
|
|
+ fragmentShader: params.fragmentShader,
|
|
|
+ uniforms: params.uniforms,
|
|
|
+ fog: true,
|
|
|
+ lights: true,
|
|
|
+ opacity: params.opacity,
|
|
|
+ transparent: params.transparent
|
|
|
+ } );
|
|
|
+
|
|
|
+ material.isGLTFSpecularGlossinessMaterial = true;
|
|
|
+
|
|
|
+ material.color = params.color;
|
|
|
+
|
|
|
+ material.map = params.map === undefined ? null : params.map;
|
|
|
+
|
|
|
+ material.lightMap = null;
|
|
|
+ material.lightMapIntensity = 1.0;
|
|
|
+
|
|
|
+ material.aoMap = params.aoMap === undefined ? null : params.aoMap;
|
|
|
+ material.aoMapIntensity = 1.0;
|
|
|
+
|
|
|
+ material.emissive = params.emissive;
|
|
|
+ material.emissiveIntensity = 1.0;
|
|
|
+ material.emissiveMap = params.emissiveMap === undefined ? null : params.emissiveMap;
|
|
|
+
|
|
|
+ material.bumpMap = params.bumpMap === undefined ? null : params.bumpMap;
|
|
|
+ material.bumpScale = 1;
|
|
|
+
|
|
|
+ material.normalMap = params.normalMap === undefined ? null : params.normalMap;
|
|
|
+ if ( params.normalScale ) material.normalScale = params.normalScale;
|
|
|
+
|
|
|
+ material.displacementMap = null;
|
|
|
+ material.displacementScale = 1;
|
|
|
+ material.displacementBias = 0;
|
|
|
+
|
|
|
+ material.specularMap = params.specularMap === undefined ? null : params.specularMap;
|
|
|
+ material.specular = params.specular;
|
|
|
+
|
|
|
+ material.glossinessMap = params.glossinessMap === undefined ? null : params.glossinessMap;
|
|
|
+ material.glossiness = params.glossiness;
|
|
|
+
|
|
|
+ material.alphaMap = null;
|
|
|
+
|
|
|
+ material.envMap = params.envMap === undefined ? null : params.envMap;
|
|
|
+ material.envMapIntensity = 1.0;
|
|
|
+
|
|
|
+ material.refractionRatio = 0.98;
|
|
|
+
|
|
|
+ material.extensions.derivatives = true;
|
|
|
+
|
|
|
+ return material;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Clones a GLTFSpecularGlossinessMaterial instance. The ShaderMaterial.copy() method can
|
|
|
+ * copy only properties it knows about or inherits, and misses many properties that would
|
|
|
+ * normally be defined by MeshStandardMaterial.
|
|
|
+ *
|
|
|
+ * This method allows GLTFSpecularGlossinessMaterials to be cloned in the process of
|
|
|
+ * loading a glTF model, but cloning later (e.g. by the user) would require these changes
|
|
|
+ * AND also updating `.onBeforeRender` on the parent mesh.
|
|
|
+ *
|
|
|
+ * @param {THREE.ShaderMaterial} source
|
|
|
+ * @return {THREE.ShaderMaterial}
|
|
|
+ */
|
|
|
+ cloneMaterial: function ( source ) {
|
|
|
+
|
|
|
+ var target = source.clone();
|
|
|
+
|
|
|
+ target.isGLTFSpecularGlossinessMaterial = true;
|
|
|
+
|
|
|
+ var params = this.specularGlossinessParams;
|
|
|
+
|
|
|
+ for ( var i = 0, il = params.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ target[ params[ i ] ] = source[ params[ i ] ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return target;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ // Here's based on refreshUniformsCommon() and refreshUniformsStandard() in WebGLRenderer.
|
|
|
+ refreshUniforms: function ( renderer, scene, camera, geometry, material, group ) {
|
|
|
+
|
|
|
+ if ( material.isGLTFSpecularGlossinessMaterial !== true ) {
|
|
|
+
|
|
|
+ return;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var uniforms = material.uniforms;
|
|
|
+ var defines = material.defines;
|
|
|
+
|
|
|
+ uniforms.opacity.value = material.opacity;
|
|
|
+
|
|
|
+ uniforms.diffuse.value.copy( material.color );
|
|
|
+ uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );
|
|
|
+
|
|
|
+ uniforms.map.value = material.map;
|
|
|
+ uniforms.specularMap.value = material.specularMap;
|
|
|
+ uniforms.alphaMap.value = material.alphaMap;
|
|
|
+
|
|
|
+ uniforms.lightMap.value = material.lightMap;
|
|
|
+ uniforms.lightMapIntensity.value = material.lightMapIntensity;
|
|
|
+
|
|
|
+ uniforms.aoMap.value = material.aoMap;
|
|
|
+ uniforms.aoMapIntensity.value = material.aoMapIntensity;
|
|
|
+
|
|
|
+ // uv repeat and offset setting priorities
|
|
|
+ // 1. color map
|
|
|
+ // 2. specular map
|
|
|
+ // 3. normal map
|
|
|
+ // 4. bump map
|
|
|
+ // 5. alpha map
|
|
|
+ // 6. emissive map
|
|
|
+
|
|
|
+ var uvScaleMap;
|
|
|
+
|
|
|
+ if ( material.map ) {
|
|
|
+
|
|
|
+ uvScaleMap = material.map;
|
|
|
+
|
|
|
+ } else if ( material.specularMap ) {
|
|
|
+
|
|
|
+ uvScaleMap = material.specularMap;
|
|
|
+
|
|
|
+ } else if ( material.displacementMap ) {
|
|
|
+
|
|
|
+ uvScaleMap = material.displacementMap;
|
|
|
+
|
|
|
+ } else if ( material.normalMap ) {
|
|
|
+
|
|
|
+ uvScaleMap = material.normalMap;
|
|
|
+
|
|
|
+ } else if ( material.bumpMap ) {
|
|
|
+
|
|
|
+ uvScaleMap = material.bumpMap;
|
|
|
+
|
|
|
+ } else if ( material.glossinessMap ) {
|
|
|
+
|
|
|
+ uvScaleMap = material.glossinessMap;
|
|
|
+
|
|
|
+ } else if ( material.alphaMap ) {
|
|
|
+
|
|
|
+ uvScaleMap = material.alphaMap;
|
|
|
+
|
|
|
+ } else if ( material.emissiveMap ) {
|
|
|
+
|
|
|
+ uvScaleMap = material.emissiveMap;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( uvScaleMap !== undefined ) {
|
|
|
+
|
|
|
+ // backwards compatibility
|
|
|
+ if ( uvScaleMap.isWebGLRenderTarget ) {
|
|
|
+
|
|
|
+ uvScaleMap = uvScaleMap.texture;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( uvScaleMap.matrixAutoUpdate === true ) {
|
|
|
+
|
|
|
+ uvScaleMap.updateMatrix();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ uniforms.uvTransform.value.copy( uvScaleMap.matrix );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ uniforms.envMap.value = material.envMap;
|
|
|
+ uniforms.envMapIntensity.value = material.envMapIntensity;
|
|
|
+ uniforms.flipEnvMap.value = ( material.envMap && material.envMap.isCubeTexture ) ? - 1 : 1;
|
|
|
+
|
|
|
+ uniforms.refractionRatio.value = material.refractionRatio;
|
|
|
+
|
|
|
+ uniforms.specular.value.copy( material.specular );
|
|
|
+ uniforms.glossiness.value = material.glossiness;
|
|
|
+
|
|
|
+ uniforms.glossinessMap.value = material.glossinessMap;
|
|
|
+
|
|
|
+ uniforms.emissiveMap.value = material.emissiveMap;
|
|
|
+ uniforms.bumpMap.value = material.bumpMap;
|
|
|
+ uniforms.normalMap.value = material.normalMap;
|
|
|
+
|
|
|
+ uniforms.displacementMap.value = material.displacementMap;
|
|
|
+ uniforms.displacementScale.value = material.displacementScale;
|
|
|
+ uniforms.displacementBias.value = material.displacementBias;
|
|
|
+
|
|
|
+ if ( uniforms.glossinessMap.value !== null && defines.USE_GLOSSINESSMAP === undefined ) {
|
|
|
+
|
|
|
+ defines.USE_GLOSSINESSMAP = '';
|
|
|
+ // set USE_ROUGHNESSMAP to enable vUv
|
|
|
+ defines.USE_ROUGHNESSMAP = '';
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( uniforms.glossinessMap.value === null && defines.USE_GLOSSINESSMAP !== undefined ) {
|
|
|
+
|
|
|
+ delete defines.USE_GLOSSINESSMAP;
|
|
|
+ delete defines.USE_ROUGHNESSMAP;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /*********************************/
|
|
|
+ /********** INTERPOLATION ********/
|
|
|
+ /*********************************/
|
|
|
+
|
|
|
+ // Spline Interpolation
|
|
|
+ // Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation
|
|
|
+ function GLTFCubicSplineInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
|
|
|
+
|
|
|
+ THREE.Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype = Object.create( THREE.Interpolant.prototype );
|
|
|
+ GLTFCubicSplineInterpolant.prototype.constructor = GLTFCubicSplineInterpolant;
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype.copySampleValue_ = function ( index ) {
|
|
|
+
|
|
|
+ // Copies a sample value to the result buffer. See description of glTF
|
|
|
+ // CUBICSPLINE values layout in interpolate_() function below.
|
|
|
+
|
|
|
+ var result = this.resultBuffer,
|
|
|
+ values = this.sampleValues,
|
|
|
+ valueSize = this.valueSize,
|
|
|
+ offset = index * valueSize * 3 + valueSize;
|
|
|
+
|
|
|
+ for ( var i = 0; i !== valueSize; i ++ ) {
|
|
|
+
|
|
|
+ result[ i ] = values[ offset + i ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return result;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype.beforeStart_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype.afterEnd_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype.interpolate_ = function ( i1, t0, t, t1 ) {
|
|
|
+
|
|
|
+ var result = this.resultBuffer;
|
|
|
+ var values = this.sampleValues;
|
|
|
+ var stride = this.valueSize;
|
|
|
+
|
|
|
+ var stride2 = stride * 2;
|
|
|
+ var stride3 = stride * 3;
|
|
|
+
|
|
|
+ var td = t1 - t0;
|
|
|
+
|
|
|
+ var p = ( t - t0 ) / td;
|
|
|
+ var pp = p * p;
|
|
|
+ var ppp = pp * p;
|
|
|
+
|
|
|
+ var offset1 = i1 * stride3;
|
|
|
+ var offset0 = offset1 - stride3;
|
|
|
+
|
|
|
+ var s0 = 2 * ppp - 3 * pp + 1;
|
|
|
+ var s1 = ppp - 2 * pp + p;
|
|
|
+ var s2 = - 2 * ppp + 3 * pp;
|
|
|
+ var s3 = ppp - pp;
|
|
|
+
|
|
|
+ // Layout of keyframe output values for CUBICSPLINE animations:
|
|
|
+ // [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]
|
|
|
+ for ( var i = 0; i !== stride; i ++ ) {
|
|
|
+
|
|
|
+ var p0 = values[ offset0 + i + stride ]; // splineVertex_k
|
|
|
+ var m0 = values[ offset0 + i + stride2 ] * td; // outTangent_k * (t_k+1 - t_k)
|
|
|
+ var p1 = values[ offset1 + i + stride ]; // splineVertex_k+1
|
|
|
+ var m1 = values[ offset1 + i ] * td; // inTangent_k+1 * (t_k+1 - t_k)
|
|
|
+
|
|
|
+ result[ i ] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return result;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /*********************************/
|
|
|
+ /********** INTERNALS ************/
|
|
|
+ /*********************************/
|
|
|
+
|
|
|
+ /* CONSTANTS */
|
|
|
+
|
|
|
+ var WEBGL_CONSTANTS = {
|
|
|
+ FLOAT: 5126,
|
|
|
+ //FLOAT_MAT2: 35674,
|
|
|
+ FLOAT_MAT3: 35675,
|
|
|
+ FLOAT_MAT4: 35676,
|
|
|
+ FLOAT_VEC2: 35664,
|
|
|
+ FLOAT_VEC3: 35665,
|
|
|
+ FLOAT_VEC4: 35666,
|
|
|
+ LINEAR: 9729,
|
|
|
+ REPEAT: 10497,
|
|
|
+ SAMPLER_2D: 35678,
|
|
|
+ POINTS: 0,
|
|
|
+ LINES: 1,
|
|
|
+ LINE_LOOP: 2,
|
|
|
+ LINE_STRIP: 3,
|
|
|
+ TRIANGLES: 4,
|
|
|
+ TRIANGLE_STRIP: 5,
|
|
|
+ TRIANGLE_FAN: 6,
|
|
|
+ UNSIGNED_BYTE: 5121,
|
|
|
+ UNSIGNED_SHORT: 5123
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_TYPE = {
|
|
|
+ 5126: Number,
|
|
|
+ //35674: THREE.Matrix2,
|
|
|
+ 35675: THREE.Matrix3,
|
|
|
+ 35676: THREE.Matrix4,
|
|
|
+ 35664: THREE.Vector2,
|
|
|
+ 35665: THREE.Vector3,
|
|
|
+ 35666: THREE.Vector4,
|
|
|
+ 35678: THREE.Texture
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_COMPONENT_TYPES = {
|
|
|
+ 5120: Int8Array,
|
|
|
+ 5121: Uint8Array,
|
|
|
+ 5122: Int16Array,
|
|
|
+ 5123: Uint16Array,
|
|
|
+ 5125: Uint32Array,
|
|
|
+ 5126: Float32Array
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_FILTERS = {
|
|
|
+ 9728: THREE.NearestFilter,
|
|
|
+ 9729: THREE.LinearFilter,
|
|
|
+ 9984: THREE.NearestMipMapNearestFilter,
|
|
|
+ 9985: THREE.LinearMipMapNearestFilter,
|
|
|
+ 9986: THREE.NearestMipMapLinearFilter,
|
|
|
+ 9987: THREE.LinearMipMapLinearFilter
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_WRAPPINGS = {
|
|
|
+ 33071: THREE.ClampToEdgeWrapping,
|
|
|
+ 33648: THREE.MirroredRepeatWrapping,
|
|
|
+ 10497: THREE.RepeatWrapping
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_SIDES = {
|
|
|
+ 1028: THREE.BackSide, // Culling front
|
|
|
+ 1029: THREE.FrontSide // Culling back
|
|
|
+ //1032: THREE.NoSide // Culling front and back, what to do?
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_DEPTH_FUNCS = {
|
|
|
+ 512: THREE.NeverDepth,
|
|
|
+ 513: THREE.LessDepth,
|
|
|
+ 514: THREE.EqualDepth,
|
|
|
+ 515: THREE.LessEqualDepth,
|
|
|
+ 516: THREE.GreaterEqualDepth,
|
|
|
+ 517: THREE.NotEqualDepth,
|
|
|
+ 518: THREE.GreaterEqualDepth,
|
|
|
+ 519: THREE.AlwaysDepth
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_BLEND_EQUATIONS = {
|
|
|
+ 32774: THREE.AddEquation,
|
|
|
+ 32778: THREE.SubtractEquation,
|
|
|
+ 32779: THREE.ReverseSubtractEquation
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_BLEND_FUNCS = {
|
|
|
+ 0: THREE.ZeroFactor,
|
|
|
+ 1: THREE.OneFactor,
|
|
|
+ 768: THREE.SrcColorFactor,
|
|
|
+ 769: THREE.OneMinusSrcColorFactor,
|
|
|
+ 770: THREE.SrcAlphaFactor,
|
|
|
+ 771: THREE.OneMinusSrcAlphaFactor,
|
|
|
+ 772: THREE.DstAlphaFactor,
|
|
|
+ 773: THREE.OneMinusDstAlphaFactor,
|
|
|
+ 774: THREE.DstColorFactor,
|
|
|
+ 775: THREE.OneMinusDstColorFactor,
|
|
|
+ 776: THREE.SrcAlphaSaturateFactor
|
|
|
+ // The followings are not supported by Three.js yet
|
|
|
+ //32769: CONSTANT_COLOR,
|
|
|
+ //32770: ONE_MINUS_CONSTANT_COLOR,
|
|
|
+ //32771: CONSTANT_ALPHA,
|
|
|
+ //32772: ONE_MINUS_CONSTANT_COLOR
|
|
|
+ };
|
|
|
+
|
|
|
+ var WEBGL_TYPE_SIZES = {
|
|
|
+ 'SCALAR': 1,
|
|
|
+ 'VEC2': 2,
|
|
|
+ 'VEC3': 3,
|
|
|
+ 'VEC4': 4,
|
|
|
+ 'MAT2': 4,
|
|
|
+ 'MAT3': 9,
|
|
|
+ 'MAT4': 16
|
|
|
+ };
|
|
|
+
|
|
|
+ var ATTRIBUTES = {
|
|
|
+ POSITION: 'position',
|
|
|
+ NORMAL: 'normal',
|
|
|
+ TEXCOORD_0: 'uv',
|
|
|
+ TEXCOORD_1: 'uv2',
|
|
|
+ COLOR_0: 'color',
|
|
|
+ WEIGHTS_0: 'skinWeight',
|
|
|
+ JOINTS_0: 'skinIndex',
|
|
|
+ };
|
|
|
+
|
|
|
+ var PATH_PROPERTIES = {
|
|
|
+ scale: 'scale',
|
|
|
+ translation: 'position',
|
|
|
+ rotation: 'quaternion',
|
|
|
+ weights: 'morphTargetInfluences'
|
|
|
+ };
|
|
|
+
|
|
|
+ var INTERPOLATION = {
|
|
|
+ CUBICSPLINE: THREE.InterpolateSmooth, // We use custom interpolation GLTFCubicSplineInterpolation for CUBICSPLINE.
|
|
|
+ // KeyframeTrack.optimize() can't handle glTF Cubic Spline output values layout,
|
|
|
+ // using THREE.InterpolateSmooth for KeyframeTrack instantiation to prevent optimization.
|
|
|
+ // See KeyframeTrack.optimize() for the detail.
|
|
|
+ LINEAR: THREE.InterpolateLinear,
|
|
|
+ STEP: THREE.InterpolateDiscrete
|
|
|
+ };
|
|
|
+
|
|
|
+ var STATES_ENABLES = {
|
|
|
+ 2884: 'CULL_FACE',
|
|
|
+ 2929: 'DEPTH_TEST',
|
|
|
+ 3042: 'BLEND',
|
|
|
+ 3089: 'SCISSOR_TEST',
|
|
|
+ 32823: 'POLYGON_OFFSET_FILL',
|
|
|
+ 32926: 'SAMPLE_ALPHA_TO_COVERAGE'
|
|
|
+ };
|
|
|
+
|
|
|
+ var ALPHA_MODES = {
|
|
|
+ OPAQUE: 'OPAQUE',
|
|
|
+ MASK: 'MASK',
|
|
|
+ BLEND: 'BLEND'
|
|
|
+ };
|
|
|
+
|
|
|
+ var MIME_TYPE_FORMATS = {
|
|
|
+ 'image/png': THREE.RGBAFormat,
|
|
|
+ 'image/jpeg': THREE.RGBFormat
|
|
|
+ };
|
|
|
+
|
|
|
+ /* UTILITY FUNCTIONS */
|
|
|
+
|
|
|
+ function resolveURL( url, path ) {
|
|
|
+
|
|
|
+ // Invalid URL
|
|
|
+ if ( typeof url !== 'string' || url === '' ) return '';
|
|
|
+
|
|
|
+ // Absolute URL http://,https://,//
|
|
|
+ if ( /^(https?:)?\/\//i.test( url ) ) return url;
|
|
|
+
|
|
|
+ // Data URI
|
|
|
+ if ( /^data:.*,.*$/i.test( url ) ) return url;
|
|
|
+
|
|
|
+ // Blob URL
|
|
|
+ if ( /^blob:.*$/i.test( url ) ) return url;
|
|
|
+
|
|
|
+ // Relative URL
|
|
|
+ return path + url;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material
|
|
|
+ */
|
|
|
+ function createDefaultMaterial() {
|
|
|
+
|
|
|
+ return new THREE.MeshStandardMaterial( {
|
|
|
+ color: 0xFFFFFF,
|
|
|
+ emissive: 0x000000,
|
|
|
+ metalness: 1,
|
|
|
+ roughness: 1,
|
|
|
+ transparent: false,
|
|
|
+ depthTest: true,
|
|
|
+ side: THREE.FrontSide
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function addUnknownExtensionsToUserData( knownExtensions, object, objectDef ) {
|
|
|
+
|
|
|
+ // Add unknown glTF extensions to an object's userData.
|
|
|
+
|
|
|
+ for ( var name in objectDef.extensions ) {
|
|
|
+
|
|
|
+ if ( knownExtensions[ name ] === undefined ) {
|
|
|
+
|
|
|
+ object.userData.gltfExtensions = object.userData.gltfExtensions || {};
|
|
|
+ object.userData.gltfExtensions[ name ] = objectDef.extensions[ name ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @param {THREE.Object3D|THREE.Material|THREE.BufferGeometry} object
|
|
|
+ * @param {GLTF.definition} gltfDef
|
|
|
+ */
|
|
|
+ function assignExtrasToUserData( object, gltfDef ) {
|
|
|
+
|
|
|
+ if ( gltfDef.extras !== undefined ) {
|
|
|
+
|
|
|
+ if ( typeof gltfDef.extras === 'object' ) {
|
|
|
+
|
|
|
+ object.userData = gltfDef.extras;
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets
|
|
|
+ *
|
|
|
+ * @param {THREE.BufferGeometry} geometry
|
|
|
+ * @param {Array<GLTF.Target>} targets
|
|
|
+ * @param {GLTFParser} parser
|
|
|
+ * @return {Promise<THREE.BufferGeometry>}
|
|
|
+ */
|
|
|
+ function addMorphTargets( geometry, targets, parser ) {
|
|
|
+
|
|
|
+ var hasMorphPosition = false;
|
|
|
+ var hasMorphNormal = false;
|
|
|
+
|
|
|
+ for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var target = targets[ i ];
|
|
|
+
|
|
|
+ if ( target.POSITION !== undefined ) hasMorphPosition = true;
|
|
|
+ if ( target.NORMAL !== undefined ) hasMorphNormal = true;
|
|
|
+
|
|
|
+ if ( hasMorphPosition && hasMorphNormal ) break;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( ! hasMorphPosition && ! hasMorphNormal ) return Promise.resolve( geometry );
|
|
|
+
|
|
|
+ var pendingPositionAccessors = [];
|
|
|
+ var pendingNormalAccessors = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var target = targets[ i ];
|
|
|
+
|
|
|
+ if ( hasMorphPosition ) {
|
|
|
+
|
|
|
+ // TODO: Error-prone use of a callback inside a loop.
|
|
|
+ var accessor = target.POSITION !== undefined
|
|
|
+ ? parser.getDependency( 'accessor', target.POSITION )
|
|
|
+ .then( function ( accessor ) {
|
|
|
+ // Cloning not to pollute original accessor below
|
|
|
+ return cloneBufferAttribute( accessor );
|
|
|
+ } )
|
|
|
+ : geometry.attributes.position;
|
|
|
+
|
|
|
+ pendingPositionAccessors.push( accessor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( hasMorphNormal ) {
|
|
|
+
|
|
|
+ // TODO: Error-prone use of a callback inside a loop.
|
|
|
+ var accessor = target.NORMAL !== undefined
|
|
|
+ ? parser.getDependency( 'accessor', target.NORMAL )
|
|
|
+ .then( function ( accessor ) {
|
|
|
+ return cloneBufferAttribute( accessor );
|
|
|
+ } )
|
|
|
+ : geometry.attributes.normal;
|
|
|
+
|
|
|
+ pendingNormalAccessors.push( accessor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( [
|
|
|
+ Promise.all( pendingPositionAccessors ),
|
|
|
+ Promise.all( pendingNormalAccessors )
|
|
|
+ ] ).then( function ( accessors ) {
|
|
|
+
|
|
|
+ var morphPositions = accessors[ 0 ];
|
|
|
+ var morphNormals = accessors[ 1 ];
|
|
|
+
|
|
|
+ for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var target = targets[ i ];
|
|
|
+ var attributeName = 'morphTarget' + i;
|
|
|
+
|
|
|
+ if ( hasMorphPosition ) {
|
|
|
+
|
|
|
+ // Three.js morph position is absolute value. The formula is
|
|
|
+ // basePosition
|
|
|
+ // + weight0 * ( morphPosition0 - basePosition )
|
|
|
+ // + weight1 * ( morphPosition1 - basePosition )
|
|
|
+ // ...
|
|
|
+ // while the glTF one is relative
|
|
|
+ // basePosition
|
|
|
+ // + weight0 * glTFmorphPosition0
|
|
|
+ // + weight1 * glTFmorphPosition1
|
|
|
+ // ...
|
|
|
+ // then we need to convert from relative to absolute here.
|
|
|
+
|
|
|
+ if ( target.POSITION !== undefined ) {
|
|
|
+
|
|
|
+ var positionAttribute = morphPositions[ i ];
|
|
|
+ positionAttribute.name = attributeName;
|
|
|
+
|
|
|
+ var position = geometry.attributes.position;
|
|
|
+
|
|
|
+ for ( var j = 0, jl = positionAttribute.count; j < jl; j ++ ) {
|
|
|
+
|
|
|
+ positionAttribute.setXYZ(
|
|
|
+ j,
|
|
|
+ positionAttribute.getX( j ) + position.getX( j ),
|
|
|
+ positionAttribute.getY( j ) + position.getY( j ),
|
|
|
+ positionAttribute.getZ( j ) + position.getZ( j )
|
|
|
+ );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( hasMorphNormal ) {
|
|
|
+
|
|
|
+ // see target.POSITION's comment
|
|
|
+
|
|
|
+ if ( target.NORMAL !== undefined ) {
|
|
|
+
|
|
|
+ var normalAttribute = morphNormals[ i ];
|
|
|
+ normalAttribute.name = attributeName;
|
|
|
+
|
|
|
+ var normal = geometry.attributes.normal;
|
|
|
+
|
|
|
+ for ( var j = 0, jl = normalAttribute.count; j < jl; j ++ ) {
|
|
|
+
|
|
|
+ normalAttribute.setXYZ(
|
|
|
+ j,
|
|
|
+ normalAttribute.getX( j ) + normal.getX( j ),
|
|
|
+ normalAttribute.getY( j ) + normal.getY( j ),
|
|
|
+ normalAttribute.getZ( j ) + normal.getZ( j )
|
|
|
+ );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions;
|
|
|
+ if ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals;
|
|
|
+
|
|
|
+ return geometry;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @param {THREE.Mesh} mesh
|
|
|
+ * @param {GLTF.Mesh} meshDef
|
|
|
+ */
|
|
|
+ function updateMorphTargets( mesh, meshDef ) {
|
|
|
+
|
|
|
+ mesh.updateMorphTargets();
|
|
|
+
|
|
|
+ if ( meshDef.weights !== undefined ) {
|
|
|
+
|
|
|
+ for ( var i = 0, il = meshDef.weights.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ mesh.morphTargetInfluences[ i ] = meshDef.weights[ i ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // .extras has user-defined data, so check that .extras.targetNames is an array.
|
|
|
+ if ( meshDef.extras && Array.isArray( meshDef.extras.targetNames ) ) {
|
|
|
+
|
|
|
+ var targetNames = meshDef.extras.targetNames;
|
|
|
+
|
|
|
+ if ( mesh.morphTargetInfluences.length === targetNames.length ) {
|
|
|
+
|
|
|
+ mesh.morphTargetDictionary = {};
|
|
|
+
|
|
|
+ for ( var i = 0, il = targetNames.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ mesh.morphTargetDictionary[ targetNames[ i ] ] = i;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function isPrimitiveEqual( a, b ) {
|
|
|
+
|
|
|
+ var dracoExtA = a.extensions ? a.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] : undefined;
|
|
|
+ var dracoExtB = b.extensions ? b.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] : undefined;
|
|
|
+
|
|
|
+ if ( dracoExtA && dracoExtB ) {
|
|
|
+
|
|
|
+ if ( dracoExtA.bufferView !== dracoExtB.bufferView ) return false;
|
|
|
+
|
|
|
+ return isObjectEqual( dracoExtA.attributes, dracoExtB.attributes );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( a.indices !== b.indices ) {
|
|
|
+
|
|
|
+ return false;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return isObjectEqual( a.attributes, b.attributes );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function isObjectEqual( a, b ) {
|
|
|
+
|
|
|
+ if ( Object.keys( a ).length !== Object.keys( b ).length ) return false;
|
|
|
+
|
|
|
+ for ( var key in a ) {
|
|
|
+
|
|
|
+ if ( a[ key ] !== b[ key ] ) return false;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function isArrayEqual( a, b ) {
|
|
|
+
|
|
|
+ if ( a.length !== b.length ) return false;
|
|
|
+
|
|
|
+ for ( var i = 0, il = a.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ if ( a[ i ] !== b[ i ] ) return false;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function getCachedGeometry( cache, newPrimitive ) {
|
|
|
+
|
|
|
+ for ( var i = 0, il = cache.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var cached = cache[ i ];
|
|
|
+
|
|
|
+ if ( isPrimitiveEqual( cached.primitive, newPrimitive ) ) return cached.promise;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function getCachedCombinedGeometry( cache, geometries ) {
|
|
|
+
|
|
|
+ for ( var i = 0, il = cache.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var cached = cache[ i ];
|
|
|
+
|
|
|
+ if ( isArrayEqual( geometries, cached.baseGeometries ) ) return cached.geometry;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function getCachedMultiPassGeometry( cache, geometry, primitives ) {
|
|
|
+
|
|
|
+ for ( var i = 0, il = cache.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var cached = cache[ i ];
|
|
|
+
|
|
|
+ if ( geometry === cached.baseGeometry && isArrayEqual( primitives, cached.primitives ) ) return cached.geometry;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function cloneBufferAttribute( attribute ) {
|
|
|
+
|
|
|
+ if ( attribute.isInterleavedBufferAttribute ) {
|
|
|
+
|
|
|
+ var count = attribute.count;
|
|
|
+ var itemSize = attribute.itemSize;
|
|
|
+ var array = attribute.array.slice( 0, count * itemSize );
|
|
|
+
|
|
|
+ for ( var i = 0; i < count; ++ i ) {
|
|
|
+
|
|
|
+ array[ i ] = attribute.getX( i );
|
|
|
+ if ( itemSize >= 2 ) array[ i + 1 ] = attribute.getY( i );
|
|
|
+ if ( itemSize >= 3 ) array[ i + 2 ] = attribute.getZ( i );
|
|
|
+ if ( itemSize >= 4 ) array[ i + 3 ] = attribute.getW( i );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return new THREE.BufferAttribute( array, itemSize, attribute.normalized );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return attribute.clone();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Checks if we can build a single Mesh with MultiMaterial from multiple primitives.
|
|
|
+ * Returns true if all primitives use the same attributes/morphAttributes/mode
|
|
|
+ * and also have index. Otherwise returns false.
|
|
|
+ *
|
|
|
+ * @param {Array<GLTF.Primitive>} primitives
|
|
|
+ * @return {Boolean}
|
|
|
+ */
|
|
|
+ function isMultiPassGeometry( primitives ) {
|
|
|
+
|
|
|
+ if ( primitives.length < 2 ) return false;
|
|
|
+
|
|
|
+ var primitive0 = primitives[ 0 ];
|
|
|
+ var targets0 = primitive0.targets || [];
|
|
|
+
|
|
|
+ if ( primitive0.indices === undefined ) return false;
|
|
|
+
|
|
|
+ for ( var i = 1, il = primitives.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var primitive = primitives[ i ];
|
|
|
+
|
|
|
+ if ( primitive0.mode !== primitive.mode ) return false;
|
|
|
+ if ( primitive.indices === undefined ) return false;
|
|
|
+ if ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) return false;
|
|
|
+ if ( ! isObjectEqual( primitive0.attributes, primitive.attributes ) ) return false;
|
|
|
+
|
|
|
+ var targets = primitive.targets || [];
|
|
|
+
|
|
|
+ if ( targets0.length !== targets.length ) return false;
|
|
|
+
|
|
|
+ for ( var j = 0, jl = targets0.length; j < jl; j ++ ) {
|
|
|
+
|
|
|
+ if ( ! isObjectEqual( targets0[ j ], targets[ j ] ) ) return false;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /* GLTF PARSER */
|
|
|
+
|
|
|
+ function GLTFParser( json, extensions, options ) {
|
|
|
+
|
|
|
+ this.json = json || {};
|
|
|
+ this.extensions = extensions || {};
|
|
|
+ this.options = options || {};
|
|
|
+
|
|
|
+ // loader object cache
|
|
|
+ this.cache = new GLTFRegistry();
|
|
|
+
|
|
|
+ // BufferGeometry caching
|
|
|
+ this.primitiveCache = [];
|
|
|
+ this.multiplePrimitivesCache = [];
|
|
|
+ this.multiPassGeometryCache = [];
|
|
|
+
|
|
|
+ this.textureLoader = new THREE.TextureLoader( this.options.manager );
|
|
|
+ this.textureLoader.setCrossOrigin( this.options.crossOrigin );
|
|
|
+
|
|
|
+ this.fileLoader = new THREE.FileLoader( this.options.manager );
|
|
|
+ this.fileLoader.setResponseType( 'arraybuffer' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFParser.prototype.parse = function ( onLoad, onError ) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+
|
|
|
+ // Clear the loader cache
|
|
|
+ this.cache.removeAll();
|
|
|
+
|
|
|
+ // Mark the special nodes/meshes in json for efficient parse
|
|
|
+ this.markDefs();
|
|
|
+
|
|
|
+ // Fire the callback on complete
|
|
|
+ this.getMultiDependencies( [
|
|
|
+
|
|
|
+ 'scene',
|
|
|
+ 'animation',
|
|
|
+ 'camera'
|
|
|
+
|
|
|
+ ] ).then( function ( dependencies ) {
|
|
|
+
|
|
|
+ var scenes = dependencies.scenes || [];
|
|
|
+ var scene = scenes[ json.scene || 0 ];
|
|
|
+ var animations = dependencies.animations || [];
|
|
|
+ var cameras = dependencies.cameras || [];
|
|
|
+
|
|
|
+ onLoad( scene, scenes, cameras, animations, json );
|
|
|
+
|
|
|
+ } ).catch( onError );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Marks the special nodes/meshes in json for efficient parse.
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.markDefs = function () {
|
|
|
+
|
|
|
+ var nodeDefs = this.json.nodes || [];
|
|
|
+ var skinDefs = this.json.skins || [];
|
|
|
+ var meshDefs = this.json.meshes || [];
|
|
|
+
|
|
|
+ var meshReferences = {};
|
|
|
+ var meshUses = {};
|
|
|
+
|
|
|
+ // Nothing in the node definition indicates whether it is a Bone or an
|
|
|
+ // Object3D. Use the skins' joint references to mark bones.
|
|
|
+ for ( var skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) {
|
|
|
+
|
|
|
+ var joints = skinDefs[ skinIndex ].joints;
|
|
|
+
|
|
|
+ for ( var i = 0, il = joints.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ nodeDefs[ joints[ i ] ].isBone = true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Meshes can (and should) be reused by multiple nodes in a glTF asset. To
|
|
|
+ // avoid having more than one THREE.Mesh with the same name, count
|
|
|
+ // references and rename instances below.
|
|
|
+ //
|
|
|
+ // Example: CesiumMilkTruck sample model reuses "Wheel" meshes.
|
|
|
+ for ( var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {
|
|
|
+
|
|
|
+ var nodeDef = nodeDefs[ nodeIndex ];
|
|
|
+
|
|
|
+ if ( nodeDef.mesh !== undefined ) {
|
|
|
+
|
|
|
+ if ( meshReferences[ nodeDef.mesh ] === undefined ) {
|
|
|
+
|
|
|
+ meshReferences[ nodeDef.mesh ] = meshUses[ nodeDef.mesh ] = 0;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ meshReferences[ nodeDef.mesh ] ++;
|
|
|
+
|
|
|
+ // Nothing in the mesh definition indicates whether it is
|
|
|
+ // a SkinnedMesh or Mesh. Use the node's mesh reference
|
|
|
+ // to mark SkinnedMesh if node has skin.
|
|
|
+ if ( nodeDef.skin !== undefined ) {
|
|
|
+
|
|
|
+ meshDefs[ nodeDef.mesh ].isSkinnedMesh = true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.json.meshReferences = meshReferences;
|
|
|
+ this.json.meshUses = meshUses;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Requests the specified dependency asynchronously, with caching.
|
|
|
+ * @param {string} type
|
|
|
+ * @param {number} index
|
|
|
+ * @return {Promise<THREE.Object3D|THREE.Material|THREE.Texture|THREE.AnimationClip|ArrayBuffer|Object>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.getDependency = function ( type, index ) {
|
|
|
+
|
|
|
+ var cacheKey = type + ':' + index;
|
|
|
+ var dependency = this.cache.get( cacheKey );
|
|
|
+
|
|
|
+ if ( ! dependency ) {
|
|
|
+
|
|
|
+ switch ( type ) {
|
|
|
+
|
|
|
+ case 'scene':
|
|
|
+ dependency = this.loadScene( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'node':
|
|
|
+ dependency = this.loadNode( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'mesh':
|
|
|
+ dependency = this.loadMesh( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'accessor':
|
|
|
+ dependency = this.loadAccessor( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'bufferView':
|
|
|
+ dependency = this.loadBufferView( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'buffer':
|
|
|
+ dependency = this.loadBuffer( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'material':
|
|
|
+ dependency = this.loadMaterial( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'texture':
|
|
|
+ dependency = this.loadTexture( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'skin':
|
|
|
+ dependency = this.loadSkin( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'animation':
|
|
|
+ dependency = this.loadAnimation( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'camera':
|
|
|
+ dependency = this.loadCamera( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'light':
|
|
|
+ dependency = this.extensions[ EXTENSIONS.KHR_LIGHTS_PUNCTUAL ].loadLight( index );
|
|
|
+ break
|
|
|
+
|
|
|
+ default:
|
|
|
+ throw new Error( 'Unknown type: ' + type );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.cache.add( cacheKey, dependency );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return dependency;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Requests all dependencies of the specified type asynchronously, with caching.
|
|
|
+ * @param {string} type
|
|
|
+ * @return {Promise<Array<Object>>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.getDependencies = function ( type ) {
|
|
|
+
|
|
|
+ var dependencies = this.cache.get( type );
|
|
|
+
|
|
|
+ if ( ! dependencies ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var defs = this.json[ type + ( type === 'mesh' ? 'es' : 's' ) ] || [];
|
|
|
+
|
|
|
+ dependencies = Promise.all( defs.map( function ( def, index ) {
|
|
|
+
|
|
|
+ return parser.getDependency( type, index );
|
|
|
+
|
|
|
+ } ) );
|
|
|
+
|
|
|
+ this.cache.add( type, dependencies );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return dependencies;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Requests all multiple dependencies of the specified types asynchronously, with caching.
|
|
|
+ * @param {Array<string>} types
|
|
|
+ * @return {Promise<Object<Array<Object>>>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.getMultiDependencies = function ( types ) {
|
|
|
+
|
|
|
+ var results = {};
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = types.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var type = types[ i ];
|
|
|
+ var value = this.getDependencies( type );
|
|
|
+
|
|
|
+ // TODO: Error-prone use of a callback inside a loop.
|
|
|
+ value = value.then( function ( key, value ) {
|
|
|
+
|
|
|
+ results[ key ] = value;
|
|
|
+
|
|
|
+ }.bind( this, type + ( type === 'mesh' ? 'es' : 's' ) ) );
|
|
|
+
|
|
|
+ pending.push( value );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending ).then( function () {
|
|
|
+
|
|
|
+ return results;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
+ * @param {number} bufferIndex
|
|
|
+ * @return {Promise<ArrayBuffer>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadBuffer = function ( bufferIndex ) {
|
|
|
+
|
|
|
+ var bufferDef = this.json.buffers[ bufferIndex ];
|
|
|
+ var loader = this.fileLoader;
|
|
|
+
|
|
|
+ if ( bufferDef.type && bufferDef.type !== 'arraybuffer' ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // If present, GLB container is required to be the first buffer.
|
|
|
+ if ( bufferDef.uri === undefined && bufferIndex === 0 ) {
|
|
|
+
|
|
|
+ return Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var options = this.options;
|
|
|
+
|
|
|
+ return new Promise( function ( resolve, reject ) {
|
|
|
+
|
|
|
+ loader.load( resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () {
|
|
|
+
|
|
|
+ reject( new Error( 'THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".' ) );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
+ * @param {number} bufferViewIndex
|
|
|
+ * @return {Promise<ArrayBuffer>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadBufferView = function ( bufferViewIndex ) {
|
|
|
+
|
|
|
+ var bufferViewDef = this.json.bufferViews[ bufferViewIndex ];
|
|
|
+
|
|
|
+ return this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) {
|
|
|
+
|
|
|
+ var byteLength = bufferViewDef.byteLength || 0;
|
|
|
+ var byteOffset = bufferViewDef.byteOffset || 0;
|
|
|
+ return buffer.slice( byteOffset, byteOffset + byteLength );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors
|
|
|
+ * @param {number} accessorIndex
|
|
|
+ * @return {Promise<THREE.BufferAttribute|THREE.InterleavedBufferAttribute>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadAccessor = function ( accessorIndex ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+
|
|
|
+ var accessorDef = this.json.accessors[ accessorIndex ];
|
|
|
+
|
|
|
+ if ( accessorDef.bufferView === undefined && accessorDef.sparse === undefined ) {
|
|
|
+
|
|
|
+ // Ignore empty accessors, which may be used to declare runtime
|
|
|
+ // information about attributes coming from another source (e.g. Draco
|
|
|
+ // compression extension).
|
|
|
+ return Promise.resolve( null );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var pendingBufferViews = [];
|
|
|
+
|
|
|
+ if ( accessorDef.bufferView !== undefined ) {
|
|
|
+
|
|
|
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.bufferView ) );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ pendingBufferViews.push( null );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( accessorDef.sparse !== undefined ) {
|
|
|
+
|
|
|
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.indices.bufferView ) );
|
|
|
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.values.bufferView ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pendingBufferViews ).then( function ( bufferViews ) {
|
|
|
+
|
|
|
+ var bufferView = bufferViews[ 0 ];
|
|
|
+
|
|
|
+ var itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];
|
|
|
+ var TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
|
|
|
+
|
|
|
+ // For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
|
|
|
+ var elementBytes = TypedArray.BYTES_PER_ELEMENT;
|
|
|
+ var itemBytes = elementBytes * itemSize;
|
|
|
+ var byteOffset = accessorDef.byteOffset || 0;
|
|
|
+ var byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[ accessorDef.bufferView ].byteStride : undefined;
|
|
|
+ var normalized = accessorDef.normalized === true;
|
|
|
+ var array, bufferAttribute;
|
|
|
+
|
|
|
+ // The buffer is not interleaved if the stride is the item size in bytes.
|
|
|
+ if ( byteStride && byteStride !== itemBytes ) {
|
|
|
+
|
|
|
+ var ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType;
|
|
|
+ var ib = parser.cache.get( ibCacheKey );
|
|
|
+
|
|
|
+ if ( ! ib ) {
|
|
|
+
|
|
|
+ // Use the full buffer if it's interleaved.
|
|
|
+ array = new TypedArray( bufferView );
|
|
|
+
|
|
|
+ // Integer parameters to IB/IBA are in array elements, not bytes.
|
|
|
+ ib = new THREE.InterleavedBuffer( array, byteStride / elementBytes );
|
|
|
+
|
|
|
+ parser.cache.add( ibCacheKey, ib );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ bufferAttribute = new THREE.InterleavedBufferAttribute( ib, itemSize, byteOffset / elementBytes, normalized );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ if ( bufferView === null ) {
|
|
|
+
|
|
|
+ array = new TypedArray( accessorDef.count * itemSize );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ array = new TypedArray( bufferView, byteOffset, accessorDef.count * itemSize );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ bufferAttribute = new THREE.BufferAttribute( array, itemSize, normalized );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors
|
|
|
+ if ( accessorDef.sparse !== undefined ) {
|
|
|
+
|
|
|
+ var itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;
|
|
|
+ var TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ];
|
|
|
+
|
|
|
+ var byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;
|
|
|
+ var byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;
|
|
|
+
|
|
|
+ var sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices );
|
|
|
+ var sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize );
|
|
|
+
|
|
|
+ if ( bufferView !== null ) {
|
|
|
+
|
|
|
+ // Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.
|
|
|
+ bufferAttribute.setArray( bufferAttribute.array.slice() );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for ( var i = 0, il = sparseIndices.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var index = sparseIndices[ i ];
|
|
|
+
|
|
|
+ bufferAttribute.setX( index, sparseValues[ i * itemSize ] );
|
|
|
+ if ( itemSize >= 2 ) bufferAttribute.setY( index, sparseValues[ i * itemSize + 1 ] );
|
|
|
+ if ( itemSize >= 3 ) bufferAttribute.setZ( index, sparseValues[ i * itemSize + 2 ] );
|
|
|
+ if ( itemSize >= 4 ) bufferAttribute.setW( index, sparseValues[ i * itemSize + 3 ] );
|
|
|
+ if ( itemSize >= 5 ) throw new Error( 'THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return bufferAttribute;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures
|
|
|
+ * @param {number} textureIndex
|
|
|
+ * @return {Promise<THREE.Texture>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadTexture = function ( textureIndex ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var options = this.options;
|
|
|
+ var textureLoader = this.textureLoader;
|
|
|
+
|
|
|
+ var URL = window.URL || window.webkitURL;
|
|
|
+
|
|
|
+ var textureDef = json.textures[ textureIndex ];
|
|
|
+
|
|
|
+ var textureExtensions = textureDef.extensions || {};
|
|
|
+
|
|
|
+ var source;
|
|
|
+
|
|
|
+ if ( textureExtensions[ EXTENSIONS.MSFT_TEXTURE_DDS ] ) {
|
|
|
+
|
|
|
+ source = json.images[ textureExtensions[ EXTENSIONS.MSFT_TEXTURE_DDS ].source ];
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ source = json.images[ textureDef.source ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var sourceURI = source.uri;
|
|
|
+ var isObjectURL = false;
|
|
|
+
|
|
|
+ if ( source.bufferView !== undefined ) {
|
|
|
+
|
|
|
+ // Load binary image data from bufferView, if provided.
|
|
|
+
|
|
|
+ sourceURI = parser.getDependency( 'bufferView', source.bufferView ).then( function ( bufferView ) {
|
|
|
+
|
|
|
+ isObjectURL = true;
|
|
|
+ var blob = new Blob( [ bufferView ], { type: source.mimeType } );
|
|
|
+ sourceURI = URL.createObjectURL( blob );
|
|
|
+ return sourceURI;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.resolve( sourceURI ).then( function ( sourceURI ) {
|
|
|
+
|
|
|
+ // Load Texture resource.
|
|
|
+
|
|
|
+ var loader = THREE.Loader.Handlers.get( sourceURI );
|
|
|
+
|
|
|
+ if ( ! loader ) {
|
|
|
+
|
|
|
+ loader = textureExtensions[ EXTENSIONS.MSFT_TEXTURE_DDS ]
|
|
|
+ ? parser.extensions[ EXTENSIONS.MSFT_TEXTURE_DDS ].ddsLoader
|
|
|
+ : textureLoader;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return new Promise( function ( resolve, reject ) {
|
|
|
+
|
|
|
+ loader.load( resolveURL( sourceURI, options.path ), resolve, undefined, reject );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } ).then( function ( texture ) {
|
|
|
+
|
|
|
+ // Clean up resources and configure Texture.
|
|
|
+
|
|
|
+ if ( isObjectURL === true ) {
|
|
|
+
|
|
|
+ URL.revokeObjectURL( sourceURI );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ texture.flipY = false;
|
|
|
+
|
|
|
+ if ( textureDef.name !== undefined ) texture.name = textureDef.name;
|
|
|
+
|
|
|
+ // Ignore unknown mime types, like DDS files.
|
|
|
+ if ( source.mimeType in MIME_TYPE_FORMATS ) {
|
|
|
+
|
|
|
+ texture.format = MIME_TYPE_FORMATS[ source.mimeType ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var samplers = json.samplers || {};
|
|
|
+ var sampler = samplers[ textureDef.sampler ] || {};
|
|
|
+
|
|
|
+ texture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || THREE.LinearFilter;
|
|
|
+ texture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || THREE.LinearMipMapLinearFilter;
|
|
|
+ texture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || THREE.RepeatWrapping;
|
|
|
+ texture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || THREE.RepeatWrapping;
|
|
|
+
|
|
|
+ return texture;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Asynchronously assigns a texture to the given material parameters.
|
|
|
+ * @param {Object} materialParams
|
|
|
+ * @param {string} mapName
|
|
|
+ * @param {Object} mapDef
|
|
|
+ * @return {Promise}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.assignTexture = function ( materialParams, mapName, mapDef ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+
|
|
|
+ return this.getDependency( 'texture', mapDef.index ).then( function ( texture ) {
|
|
|
+
|
|
|
+ if ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) {
|
|
|
+
|
|
|
+ var transform = mapDef.extensions !== undefined ? mapDef.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] : undefined;
|
|
|
+
|
|
|
+ if ( transform ) {
|
|
|
+
|
|
|
+ texture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, transform );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materialParams[ mapName ] = texture;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials
|
|
|
+ * @param {number} materialIndex
|
|
|
+ * @return {Promise<THREE.Material>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadMaterial = function ( materialIndex ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var materialDef = json.materials[ materialIndex ];
|
|
|
+
|
|
|
+ var materialType;
|
|
|
+ var materialParams = {};
|
|
|
+ var materialExtensions = materialDef.extensions || {};
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ] ) {
|
|
|
+
|
|
|
+ var sgExtension = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ];
|
|
|
+ materialType = sgExtension.getMaterialType( materialDef );
|
|
|
+ pending.push( sgExtension.extendParams( materialParams, materialDef, parser ) );
|
|
|
+
|
|
|
+ } else if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) {
|
|
|
+
|
|
|
+ var kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ];
|
|
|
+ materialType = kmuExtension.getMaterialType( materialDef );
|
|
|
+ pending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ // Specification:
|
|
|
+ // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material
|
|
|
+
|
|
|
+ materialType = THREE.MeshStandardMaterial;
|
|
|
+
|
|
|
+ var metallicRoughness = materialDef.pbrMetallicRoughness || {};
|
|
|
+
|
|
|
+ materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
+ materialParams.opacity = 1.0;
|
|
|
+
|
|
|
+ if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
|
|
|
+
|
|
|
+ var array = metallicRoughness.baseColorFactor;
|
|
|
+
|
|
|
+ materialParams.color.fromArray( array );
|
|
|
+ materialParams.opacity = array[ 3 ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( metallicRoughness.baseColorTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;
|
|
|
+ materialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;
|
|
|
+
|
|
|
+ if ( metallicRoughness.metallicRoughnessTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture ) );
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.doubleSided === true ) {
|
|
|
+
|
|
|
+ materialParams.side = THREE.DoubleSide;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;
|
|
|
+
|
|
|
+ if ( alphaMode === ALPHA_MODES.BLEND ) {
|
|
|
+
|
|
|
+ materialParams.transparent = true;
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ materialParams.transparent = false;
|
|
|
+
|
|
|
+ if ( alphaMode === ALPHA_MODES.MASK ) {
|
|
|
+
|
|
|
+ materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.normalTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture ) );
|
|
|
+
|
|
|
+ materialParams.normalScale = new THREE.Vector2( 1, 1 );
|
|
|
+
|
|
|
+ if ( materialDef.normalTexture.scale !== undefined ) {
|
|
|
+
|
|
|
+ materialParams.normalScale.set( materialDef.normalTexture.scale, materialDef.normalTexture.scale );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.occlusionTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture ) );
|
|
|
+
|
|
|
+ if ( materialDef.occlusionTexture.strength !== undefined ) {
|
|
|
+
|
|
|
+ materialParams.aoMapIntensity = materialDef.occlusionTexture.strength;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.emissiveFactor !== undefined && materialType !== THREE.MeshBasicMaterial ) {
|
|
|
+
|
|
|
+ materialParams.emissive = new THREE.Color().fromArray( materialDef.emissiveFactor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.emissiveTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending ).then( function () {
|
|
|
+
|
|
|
+ var material;
|
|
|
+
|
|
|
+ if ( materialType === THREE.ShaderMaterial ) {
|
|
|
+
|
|
|
+ material = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].createMaterial( materialParams );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ material = new materialType( materialParams );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.name !== undefined ) material.name = materialDef.name;
|
|
|
+
|
|
|
+ // Normal map textures use OpenGL conventions:
|
|
|
+ // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#materialnormaltexture
|
|
|
+ if ( material.normalScale ) {
|
|
|
+
|
|
|
+ material.normalScale.y = - material.normalScale.y;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // baseColorTexture, emissiveTexture, and specularGlossinessTexture use sRGB encoding.
|
|
|
+ if ( material.map ) material.map.encoding = THREE.sRGBEncoding;
|
|
|
+ if ( material.emissiveMap ) material.emissiveMap.encoding = THREE.sRGBEncoding;
|
|
|
+ if ( material.specularMap ) material.specularMap.encoding = THREE.sRGBEncoding;
|
|
|
+
|
|
|
+ assignExtrasToUserData( material, materialDef );
|
|
|
+
|
|
|
+ if ( materialDef.extensions ) addUnknownExtensionsToUserData( extensions, material, materialDef );
|
|
|
+
|
|
|
+ return material;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @param {THREE.BufferGeometry} geometry
|
|
|
+ * @param {GLTF.Primitive} primitiveDef
|
|
|
+ * @param {GLTFParser} parser
|
|
|
+ * @return {Promise<THREE.BufferGeometry>}
|
|
|
+ */
|
|
|
+ function addPrimitiveAttributes( geometry, primitiveDef, parser ) {
|
|
|
+
|
|
|
+ var attributes = primitiveDef.attributes;
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ function assignAttributeAccessor( accessorIndex, attributeName ) {
|
|
|
+
|
|
|
+ return parser.getDependency( 'accessor', accessorIndex )
|
|
|
+ .then( function ( accessor ) {
|
|
|
+
|
|
|
+ geometry.addAttribute( attributeName, accessor );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for ( var gltfAttributeName in attributes ) {
|
|
|
+
|
|
|
+ var threeAttributeName = ATTRIBUTES[ gltfAttributeName ];
|
|
|
+
|
|
|
+ if ( ! threeAttributeName ) continue;
|
|
|
+
|
|
|
+ // Skip attributes already provided by e.g. Draco extension.
|
|
|
+ if ( threeAttributeName in geometry.attributes ) continue;
|
|
|
+
|
|
|
+ pending.push( assignAttributeAccessor( attributes[ gltfAttributeName ], threeAttributeName ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( primitiveDef.indices !== undefined && ! geometry.index ) {
|
|
|
+
|
|
|
+ var accessor = parser.getDependency( 'accessor', primitiveDef.indices ).then( function ( accessor ) {
|
|
|
+
|
|
|
+ geometry.setIndex( accessor );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ pending.push( accessor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ assignExtrasToUserData( geometry, primitiveDef );
|
|
|
+
|
|
|
+ return Promise.all( pending ).then( function () {
|
|
|
+
|
|
|
+ return primitiveDef.targets !== undefined
|
|
|
+ ? addMorphTargets( geometry, primitiveDef.targets, parser )
|
|
|
+ : geometry;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry
|
|
|
+ *
|
|
|
+ * Creates BufferGeometries from primitives.
|
|
|
+ * If we can build a single BufferGeometry with .groups from multiple primitives, returns one BufferGeometry.
|
|
|
+ * Otherwise, returns BufferGeometries without .groups as many as primitives.
|
|
|
+ *
|
|
|
+ * @param {Array<GLTF.Primitive>} primitives
|
|
|
+ * @return {Promise<Array<THREE.BufferGeometry>>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadGeometries = function ( primitives ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var cache = this.primitiveCache;
|
|
|
+
|
|
|
+ var isMultiPass = isMultiPassGeometry( primitives );
|
|
|
+ var originalPrimitives;
|
|
|
+
|
|
|
+ if ( isMultiPass ) {
|
|
|
+
|
|
|
+ originalPrimitives = primitives; // save original primitives and use later
|
|
|
+
|
|
|
+ // We build a single BufferGeometry with .groups from multiple primitives
|
|
|
+ // because all primitives share the same attributes/morph/mode and have indices.
|
|
|
+
|
|
|
+ primitives = [ primitives[ 0 ] ];
|
|
|
+
|
|
|
+ // Sets .groups and combined indices to a geometry later in this method.
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function createDracoPrimitive( primitive ) {
|
|
|
+
|
|
|
+ return extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ]
|
|
|
+ .decodePrimitive( primitive, parser )
|
|
|
+ .then( function ( geometry ) {
|
|
|
+
|
|
|
+ return addPrimitiveAttributes( geometry, primitive, parser );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = primitives.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var primitive = primitives[ i ];
|
|
|
+
|
|
|
+ // See if we've already created this geometry
|
|
|
+ var cached = getCachedGeometry( cache, primitive );
|
|
|
+
|
|
|
+ if ( cached ) {
|
|
|
+
|
|
|
+ // Use the cached geometry if it exists
|
|
|
+ pending.push( cached );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ var geometryPromise;
|
|
|
+
|
|
|
+ if ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) {
|
|
|
+
|
|
|
+ // Use DRACO geometry if available
|
|
|
+ geometryPromise = createDracoPrimitive( primitive );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ // Otherwise create a new geometry
|
|
|
+ geometryPromise = addPrimitiveAttributes( new THREE.BufferGeometry(), primitive, parser );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Cache this geometry
|
|
|
+ cache.push( { primitive: primitive, promise: geometryPromise } );
|
|
|
+
|
|
|
+ pending.push( geometryPromise );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending ).then( function ( geometries ) {
|
|
|
+
|
|
|
+ if ( isMultiPass ) {
|
|
|
+
|
|
|
+ var baseGeometry = geometries[ 0 ];
|
|
|
+
|
|
|
+ // See if we've already created this combined geometry
|
|
|
+ var cache = parser.multiPassGeometryCache;
|
|
|
+ var cached = getCachedMultiPassGeometry( cache, baseGeometry, originalPrimitives );
|
|
|
+
|
|
|
+ if ( cached !== null ) return [ cached.geometry ];
|
|
|
+
|
|
|
+ // Cloning geometry because of index override.
|
|
|
+ // Attributes can be reused so cloning by myself here.
|
|
|
+ var geometry = new THREE.BufferGeometry();
|
|
|
+
|
|
|
+ geometry.name = baseGeometry.name;
|
|
|
+ geometry.userData = baseGeometry.userData;
|
|
|
+
|
|
|
+ for ( var key in baseGeometry.attributes ) geometry.addAttribute( key, baseGeometry.attributes[ key ] );
|
|
|
+ for ( var key in baseGeometry.morphAttributes ) geometry.morphAttributes[ key ] = baseGeometry.morphAttributes[ key ];
|
|
|
+
|
|
|
+ var pendingIndices = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = originalPrimitives.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ pendingIndices.push( parser.getDependency( 'accessor', originalPrimitives[ i ].indices ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pendingIndices ).then( function ( accessors ) {
|
|
|
+
|
|
|
+ var indices = [];
|
|
|
+ var offset = 0;
|
|
|
+
|
|
|
+ for ( var i = 0, il = originalPrimitives.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var accessor = accessors[ i ];
|
|
|
+
|
|
|
+ for ( var j = 0, jl = accessor.count; j < jl; j ++ ) indices.push( accessor.array[ j ] );
|
|
|
+
|
|
|
+ geometry.addGroup( offset, accessor.count, i );
|
|
|
+
|
|
|
+ offset += accessor.count;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ geometry.setIndex( indices );
|
|
|
+
|
|
|
+ cache.push( { geometry: geometry, baseGeometry: baseGeometry, primitives: originalPrimitives } );
|
|
|
+
|
|
|
+ return [ geometry ];
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } else if ( geometries.length > 1 && THREE.BufferGeometryUtils !== undefined ) {
|
|
|
+
|
|
|
+ // Tries to merge geometries with BufferGeometryUtils if possible
|
|
|
+
|
|
|
+ for ( var i = 1, il = primitives.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ // can't merge if draw mode is different
|
|
|
+ if ( primitives[ 0 ].mode !== primitives[ i ].mode ) return geometries;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // See if we've already created this combined geometry
|
|
|
+ var cache = parser.multiplePrimitivesCache;
|
|
|
+ var cached = getCachedCombinedGeometry( cache, geometries );
|
|
|
+
|
|
|
+ if ( cached ) {
|
|
|
+
|
|
|
+ if ( cached.geometry !== null ) return [ cached.geometry ];
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ var geometry = THREE.BufferGeometryUtils.mergeBufferGeometries( geometries, true );
|
|
|
+
|
|
|
+ cache.push( { geometry: geometry, baseGeometries: geometries } );
|
|
|
+
|
|
|
+ if ( geometry !== null ) return [ geometry ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return geometries;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes
|
|
|
+ * @param {number} meshIndex
|
|
|
+ * @return {Promise<THREE.Group|THREE.Mesh|THREE.SkinnedMesh>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadMesh = function ( meshIndex ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+
|
|
|
+ var meshDef = json.meshes[ meshIndex ];
|
|
|
+ var primitives = meshDef.primitives;
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = primitives.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var material = primitives[ i ].material === undefined
|
|
|
+ ? createDefaultMaterial()
|
|
|
+ : this.getDependency( 'material', primitives[ i ].material );
|
|
|
+
|
|
|
+ pending.push( material );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending ).then( function ( originalMaterials ) {
|
|
|
+
|
|
|
+ return parser.loadGeometries( primitives ).then( function ( geometries ) {
|
|
|
+
|
|
|
+ var isMultiMaterial = geometries.length === 1 && geometries[ 0 ].groups.length > 0;
|
|
|
+
|
|
|
+ var meshes = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = geometries.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var geometry = geometries[ i ];
|
|
|
+ var primitive = primitives[ i ];
|
|
|
+
|
|
|
+ // 1. create Mesh
|
|
|
+
|
|
|
+ var mesh;
|
|
|
+
|
|
|
+ var material = isMultiMaterial ? originalMaterials : originalMaterials[ i ];
|
|
|
+
|
|
|
+ if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES ||
|
|
|
+ primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ||
|
|
|
+ primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ||
|
|
|
+ primitive.mode === undefined ) {
|
|
|
+
|
|
|
+ // .isSkinnedMesh isn't in glTF spec. See .markDefs()
|
|
|
+ mesh = meshDef.isSkinnedMesh === true
|
|
|
+ ? new THREE.SkinnedMesh( geometry, material )
|
|
|
+ : new THREE.Mesh( geometry, material );
|
|
|
+
|
|
|
+ if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) {
|
|
|
+
|
|
|
+ mesh.drawMode = THREE.TriangleStripDrawMode;
|
|
|
+
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) {
|
|
|
+
|
|
|
+ mesh.drawMode = THREE.TriangleFanDrawMode;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {
|
|
|
+
|
|
|
+ mesh = new THREE.LineSegments( geometry, material );
|
|
|
+
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) {
|
|
|
+
|
|
|
+ mesh = new THREE.Line( geometry, material );
|
|
|
+
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) {
|
|
|
+
|
|
|
+ mesh = new THREE.LineLoop( geometry, material );
|
|
|
+
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) {
|
|
|
+
|
|
|
+ mesh = new THREE.Points( geometry, material );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( Object.keys( mesh.geometry.morphAttributes ).length > 0 ) {
|
|
|
+
|
|
|
+ updateMorphTargets( mesh, meshDef );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ mesh.name = meshDef.name || ( 'mesh_' + meshIndex );
|
|
|
+
|
|
|
+ if ( geometries.length > 1 ) mesh.name += '_' + i;
|
|
|
+
|
|
|
+ assignExtrasToUserData( mesh, meshDef );
|
|
|
+
|
|
|
+ meshes.push( mesh );
|
|
|
+
|
|
|
+ // 2. update Material depending on Mesh and BufferGeometry
|
|
|
+
|
|
|
+ var materials = isMultiMaterial ? mesh.material : [ mesh.material ];
|
|
|
+
|
|
|
+ var useVertexColors = geometry.attributes.color !== undefined;
|
|
|
+ var useFlatShading = geometry.attributes.normal === undefined;
|
|
|
+ var useSkinning = mesh.isSkinnedMesh === true;
|
|
|
+ var useMorphTargets = Object.keys( geometry.morphAttributes ).length > 0;
|
|
|
+ var useMorphNormals = useMorphTargets && geometry.morphAttributes.normal !== undefined;
|
|
|
+
|
|
|
+ for ( var j = 0, jl = materials.length; j < jl; j ++ ) {
|
|
|
+
|
|
|
+ var material = materials[ j ];
|
|
|
+
|
|
|
+ if ( mesh.isPoints ) {
|
|
|
+
|
|
|
+ var cacheKey = 'PointsMaterial:' + material.uuid;
|
|
|
+
|
|
|
+ var pointsMaterial = parser.cache.get( cacheKey );
|
|
|
+
|
|
|
+ if ( ! pointsMaterial ) {
|
|
|
+
|
|
|
+ pointsMaterial = new THREE.PointsMaterial();
|
|
|
+ THREE.Material.prototype.copy.call( pointsMaterial, material );
|
|
|
+ pointsMaterial.color.copy( material.color );
|
|
|
+ pointsMaterial.map = material.map;
|
|
|
+ pointsMaterial.lights = false; // PointsMaterial doesn't support lights yet
|
|
|
+
|
|
|
+ parser.cache.add( cacheKey, pointsMaterial );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = pointsMaterial;
|
|
|
+
|
|
|
+ } else if ( mesh.isLine ) {
|
|
|
+
|
|
|
+ var cacheKey = 'LineBasicMaterial:' + material.uuid;
|
|
|
+
|
|
|
+ var lineMaterial = parser.cache.get( cacheKey );
|
|
|
+
|
|
|
+ if ( ! lineMaterial ) {
|
|
|
+
|
|
|
+ lineMaterial = new THREE.LineBasicMaterial();
|
|
|
+ THREE.Material.prototype.copy.call( lineMaterial, material );
|
|
|
+ lineMaterial.color.copy( material.color );
|
|
|
+ lineMaterial.lights = false; // LineBasicMaterial doesn't support lights yet
|
|
|
+
|
|
|
+ parser.cache.add( cacheKey, lineMaterial );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = lineMaterial;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Clone the material if it will be modified
|
|
|
+ if ( useVertexColors || useFlatShading || useSkinning || useMorphTargets ) {
|
|
|
+
|
|
|
+ var cacheKey = 'ClonedMaterial:' + material.uuid + ':';
|
|
|
+
|
|
|
+ if ( material.isGLTFSpecularGlossinessMaterial ) cacheKey += 'specular-glossiness:';
|
|
|
+ if ( useSkinning ) cacheKey += 'skinning:';
|
|
|
+ if ( useVertexColors ) cacheKey += 'vertex-colors:';
|
|
|
+ if ( useFlatShading ) cacheKey += 'flat-shading:';
|
|
|
+ if ( useMorphTargets ) cacheKey += 'morph-targets:';
|
|
|
+ if ( useMorphNormals ) cacheKey += 'morph-normals:';
|
|
|
+
|
|
|
+ var cachedMaterial = parser.cache.get( cacheKey );
|
|
|
+
|
|
|
+ if ( ! cachedMaterial ) {
|
|
|
+
|
|
|
+ cachedMaterial = material.isGLTFSpecularGlossinessMaterial
|
|
|
+ ? extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].cloneMaterial( material )
|
|
|
+ : material.clone();
|
|
|
+
|
|
|
+ if ( useSkinning ) cachedMaterial.skinning = true;
|
|
|
+ if ( useVertexColors ) cachedMaterial.vertexColors = THREE.VertexColors;
|
|
|
+ if ( useFlatShading ) cachedMaterial.flatShading = true;
|
|
|
+ if ( useMorphTargets ) cachedMaterial.morphTargets = true;
|
|
|
+ if ( useMorphNormals ) cachedMaterial.morphNormals = true;
|
|
|
+
|
|
|
+ parser.cache.add( cacheKey, cachedMaterial );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = cachedMaterial;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materials[ j ] = material;
|
|
|
+
|
|
|
+ // workarounds for mesh and geometry
|
|
|
+
|
|
|
+ if ( material.aoMap && geometry.attributes.uv2 === undefined && geometry.attributes.uv !== undefined ) {
|
|
|
+
|
|
|
+ console.log( 'THREE.GLTFLoader: Duplicating UVs to support aoMap.' );
|
|
|
+ geometry.addAttribute( 'uv2', new THREE.BufferAttribute( geometry.attributes.uv.array, 2 ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( material.isGLTFSpecularGlossinessMaterial ) {
|
|
|
+
|
|
|
+ // for GLTFSpecularGlossinessMaterial(ShaderMaterial) uniforms runtime update
|
|
|
+ mesh.onBeforeRender = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].refreshUniforms;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ mesh.material = isMultiMaterial ? materials : materials[ 0 ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( meshes.length === 1 ) {
|
|
|
+
|
|
|
+ return meshes[ 0 ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var group = new THREE.Group();
|
|
|
+
|
|
|
+ for ( var i = 0, il = meshes.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ group.add( meshes[ i ] );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return group;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras
|
|
|
+ * @param {number} cameraIndex
|
|
|
+ * @return {Promise<THREE.Camera>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadCamera = function ( cameraIndex ) {
|
|
|
+
|
|
|
+ var camera;
|
|
|
+ var cameraDef = this.json.cameras[ cameraIndex ];
|
|
|
+ var params = cameraDef[ cameraDef.type ];
|
|
|
+
|
|
|
+ if ( ! params ) {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Missing camera parameters.' );
|
|
|
+ return;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( cameraDef.type === 'perspective' ) {
|
|
|
+
|
|
|
+ camera = new THREE.PerspectiveCamera( THREE.Math.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 );
|
|
|
+
|
|
|
+ } else if ( cameraDef.type === 'orthographic' ) {
|
|
|
+
|
|
|
+ camera = new THREE.OrthographicCamera( params.xmag / - 2, params.xmag / 2, params.ymag / 2, params.ymag / - 2, params.znear, params.zfar );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( cameraDef.name !== undefined ) camera.name = cameraDef.name;
|
|
|
+
|
|
|
+ assignExtrasToUserData( camera, cameraDef );
|
|
|
+
|
|
|
+ return Promise.resolve( camera );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins
|
|
|
+ * @param {number} skinIndex
|
|
|
+ * @return {Promise<Object>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadSkin = function ( skinIndex ) {
|
|
|
+
|
|
|
+ var skinDef = this.json.skins[ skinIndex ];
|
|
|
+
|
|
|
+ var skinEntry = { joints: skinDef.joints };
|
|
|
+
|
|
|
+ if ( skinDef.inverseBindMatrices === undefined ) {
|
|
|
+
|
|
|
+ return Promise.resolve( skinEntry );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return this.getDependency( 'accessor', skinDef.inverseBindMatrices ).then( function ( accessor ) {
|
|
|
+
|
|
|
+ skinEntry.inverseBindMatrices = accessor;
|
|
|
+
|
|
|
+ return skinEntry;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations
|
|
|
+ * @param {number} animationIndex
|
|
|
+ * @return {Promise<THREE.AnimationClip>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadAnimation = function ( animationIndex ) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+
|
|
|
+ var animationDef = json.animations[ animationIndex ];
|
|
|
+
|
|
|
+ var pendingNodes = [];
|
|
|
+ var pendingInputAccessors = [];
|
|
|
+ var pendingOutputAccessors = [];
|
|
|
+ var pendingSamplers = [];
|
|
|
+ var pendingTargets = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = animationDef.channels.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var channel = animationDef.channels[ i ];
|
|
|
+ var sampler = animationDef.samplers[ channel.sampler ];
|
|
|
+ var target = channel.target;
|
|
|
+ var name = target.node !== undefined ? target.node : target.id; // NOTE: target.id is deprecated.
|
|
|
+ var input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input;
|
|
|
+ var output = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.output ] : sampler.output;
|
|
|
+
|
|
|
+ pendingNodes.push( this.getDependency( 'node', name ) );
|
|
|
+ pendingInputAccessors.push( this.getDependency( 'accessor', input ) );
|
|
|
+ pendingOutputAccessors.push( this.getDependency( 'accessor', output ) );
|
|
|
+ pendingSamplers.push( sampler );
|
|
|
+ pendingTargets.push( target );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( [
|
|
|
+
|
|
|
+ Promise.all( pendingNodes ),
|
|
|
+ Promise.all( pendingInputAccessors ),
|
|
|
+ Promise.all( pendingOutputAccessors ),
|
|
|
+ Promise.all( pendingSamplers ),
|
|
|
+ Promise.all( pendingTargets )
|
|
|
+
|
|
|
+ ] ).then( function ( dependencies ) {
|
|
|
+
|
|
|
+ var nodes = dependencies[ 0 ];
|
|
|
+ var inputAccessors = dependencies[ 1 ];
|
|
|
+ var outputAccessors = dependencies[ 2 ];
|
|
|
+ var samplers = dependencies[ 3 ];
|
|
|
+ var targets = dependencies[ 4 ];
|
|
|
+
|
|
|
+ var tracks = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = nodes.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var node = nodes[ i ];
|
|
|
+ var inputAccessor = inputAccessors[ i ];
|
|
|
+ var outputAccessor = outputAccessors[ i ];
|
|
|
+ var sampler = samplers[ i ];
|
|
|
+ var target = targets[ i ];
|
|
|
+
|
|
|
+ if ( node === undefined ) continue;
|
|
|
+
|
|
|
+ node.updateMatrix();
|
|
|
+ node.matrixAutoUpdate = true;
|
|
|
+
|
|
|
+ var TypedKeyframeTrack;
|
|
|
+
|
|
|
+ switch ( PATH_PROPERTIES[ target.path ] ) {
|
|
|
+
|
|
|
+ case PATH_PROPERTIES.weights:
|
|
|
+
|
|
|
+ TypedKeyframeTrack = THREE.NumberKeyframeTrack;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case PATH_PROPERTIES.rotation:
|
|
|
+
|
|
|
+ TypedKeyframeTrack = THREE.QuaternionKeyframeTrack;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case PATH_PROPERTIES.position:
|
|
|
+ case PATH_PROPERTIES.scale:
|
|
|
+ default:
|
|
|
+
|
|
|
+ TypedKeyframeTrack = THREE.VectorKeyframeTrack;
|
|
|
+ break;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var targetName = node.name ? node.name : node.uuid;
|
|
|
+
|
|
|
+ var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : THREE.InterpolateLinear;
|
|
|
+
|
|
|
+ var targetNames = [];
|
|
|
+
|
|
|
+ if ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) {
|
|
|
+
|
|
|
+ // node can be THREE.Group here but
|
|
|
+ // PATH_PROPERTIES.weights(morphTargetInfluences) should be
|
|
|
+ // the property of a mesh object under group.
|
|
|
+
|
|
|
+ node.traverse( function ( object ) {
|
|
|
+
|
|
|
+ if ( object.isMesh === true && object.morphTargetInfluences ) {
|
|
|
+
|
|
|
+ targetNames.push( object.name ? object.name : object.uuid );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ targetNames.push( targetName );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // KeyframeTrack.optimize() will modify given 'times' and 'values'
|
|
|
+ // buffers before creating a truncated copy to keep. Because buffers may
|
|
|
+ // be reused by other tracks, make copies here.
|
|
|
+ for ( var j = 0, jl = targetNames.length; j < jl; j ++ ) {
|
|
|
+
|
|
|
+ var track = new TypedKeyframeTrack(
|
|
|
+ targetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ],
|
|
|
+ THREE.AnimationUtils.arraySlice( inputAccessor.array, 0 ),
|
|
|
+ THREE.AnimationUtils.arraySlice( outputAccessor.array, 0 ),
|
|
|
+ interpolation
|
|
|
+ );
|
|
|
+
|
|
|
+ // Here is the trick to enable custom interpolation.
|
|
|
+ // Overrides .createInterpolant in a factory method which creates custom interpolation.
|
|
|
+ if ( sampler.interpolation === 'CUBICSPLINE' ) {
|
|
|
+
|
|
|
+ track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) {
|
|
|
+
|
|
|
+ // A CUBICSPLINE keyframe in glTF has three output values for each input value,
|
|
|
+ // representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize()
|
|
|
+ // must be divided by three to get the interpolant's sampleSize argument.
|
|
|
+
|
|
|
+ return new GLTFCubicSplineInterpolant( this.times, this.values, this.getValueSize() / 3, result );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ // Workaround, provide an alternate way to know if the interpolant type is cubis spline to track.
|
|
|
+ // track.getInterpolation() doesn't return valid value for custom interpolant.
|
|
|
+ track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ tracks.push( track );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var name = animationDef.name !== undefined ? animationDef.name : 'animation_' + animationIndex;
|
|
|
+
|
|
|
+ return new THREE.AnimationClip( name, undefined, tracks );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy
|
|
|
+ * @param {number} nodeIndex
|
|
|
+ * @return {Promise<THREE.Object3D>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadNode = function ( nodeIndex ) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var parser = this;
|
|
|
+
|
|
|
+ var meshReferences = json.meshReferences;
|
|
|
+ var meshUses = json.meshUses;
|
|
|
+
|
|
|
+ var nodeDef = json.nodes[ nodeIndex ];
|
|
|
+
|
|
|
+ return new Promise( function ( resolve ) {
|
|
|
+
|
|
|
+ // .isBone isn't in glTF spec. See .markDefs
|
|
|
+ if ( nodeDef.isBone === true ) {
|
|
|
+
|
|
|
+ resolve( new THREE.Bone() );
|
|
|
+
|
|
|
+ } else if ( nodeDef.mesh !== undefined ) {
|
|
|
+
|
|
|
+ parser.getDependency( 'mesh', nodeDef.mesh ).then( function ( mesh ) {
|
|
|
+
|
|
|
+ var node;
|
|
|
+
|
|
|
+ if ( meshReferences[ nodeDef.mesh ] > 1 ) {
|
|
|
+
|
|
|
+ var instanceNum = meshUses[ nodeDef.mesh ] ++;
|
|
|
+
|
|
|
+ node = mesh.clone();
|
|
|
+ node.name += '_instance_' + instanceNum;
|
|
|
+
|
|
|
+ // onBeforeRender copy for Specular-Glossiness
|
|
|
+ node.onBeforeRender = mesh.onBeforeRender;
|
|
|
+
|
|
|
+ for ( var i = 0, il = node.children.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ node.children[ i ].name += '_instance_' + instanceNum;
|
|
|
+ node.children[ i ].onBeforeRender = mesh.children[ i ].onBeforeRender;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ node = mesh;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ resolve( node );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } else if ( nodeDef.camera !== undefined ) {
|
|
|
+
|
|
|
+ parser.getDependency( 'camera', nodeDef.camera ).then( resolve );
|
|
|
+
|
|
|
+ } else if ( nodeDef.extensions
|
|
|
+ && nodeDef.extensions[ EXTENSIONS.KHR_LIGHTS_PUNCTUAL ]
|
|
|
+ && nodeDef.extensions[ EXTENSIONS.KHR_LIGHTS_PUNCTUAL ].light !== undefined ) {
|
|
|
+
|
|
|
+ parser.getDependency( 'light', nodeDef.extensions[ EXTENSIONS.KHR_LIGHTS_PUNCTUAL ].light ).then( resolve );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ resolve( new THREE.Object3D() );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } ).then( function ( node ) {
|
|
|
+
|
|
|
+ if ( nodeDef.name !== undefined ) {
|
|
|
+
|
|
|
+ node.name = THREE.PropertyBinding.sanitizeNodeName( nodeDef.name );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ assignExtrasToUserData( node, nodeDef );
|
|
|
+
|
|
|
+ if ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef );
|
|
|
+
|
|
|
+ if ( nodeDef.matrix !== undefined ) {
|
|
|
+
|
|
|
+ var matrix = new THREE.Matrix4();
|
|
|
+ matrix.fromArray( nodeDef.matrix );
|
|
|
+ node.applyMatrix( matrix );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ if ( nodeDef.translation !== undefined ) {
|
|
|
+
|
|
|
+ node.position.fromArray( nodeDef.translation );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( nodeDef.rotation !== undefined ) {
|
|
|
+
|
|
|
+ node.quaternion.fromArray( nodeDef.rotation );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( nodeDef.scale !== undefined ) {
|
|
|
+
|
|
|
+ node.scale.fromArray( nodeDef.scale );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return node;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes
|
|
|
+ * @param {number} sceneIndex
|
|
|
+ * @return {Promise<THREE.Scene>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadScene = function () {
|
|
|
+
|
|
|
+ // scene node hierachy builder
|
|
|
+
|
|
|
+ function buildNodeHierachy( nodeId, parentObject, json, parser ) {
|
|
|
+
|
|
|
+ var nodeDef = json.nodes[ nodeId ];
|
|
|
+
|
|
|
+ return parser.getDependency( 'node', nodeId ).then( function ( node ) {
|
|
|
+
|
|
|
+ if ( nodeDef.skin === undefined ) return node;
|
|
|
+
|
|
|
+ // build skeleton here as well
|
|
|
+
|
|
|
+ var skinEntry;
|
|
|
+
|
|
|
+ return parser.getDependency( 'skin', nodeDef.skin ).then( function ( skin ) {
|
|
|
+
|
|
|
+ skinEntry = skin;
|
|
|
+
|
|
|
+ var pendingJoints = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = skinEntry.joints.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ pendingJoints.push( parser.getDependency( 'node', skinEntry.joints[ i ] ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pendingJoints );
|
|
|
+
|
|
|
+ } ).then( function ( jointNodes ) {
|
|
|
+
|
|
|
+ var meshes = node.isGroup === true ? node.children : [ node ];
|
|
|
+
|
|
|
+ for ( var i = 0, il = meshes.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var mesh = meshes[ i ];
|
|
|
+
|
|
|
+ var bones = [];
|
|
|
+ var boneInverses = [];
|
|
|
+
|
|
|
+ for ( var j = 0, jl = jointNodes.length; j < jl; j ++ ) {
|
|
|
+
|
|
|
+ var jointNode = jointNodes[ j ];
|
|
|
+
|
|
|
+ if ( jointNode ) {
|
|
|
+
|
|
|
+ bones.push( jointNode );
|
|
|
+
|
|
|
+ var mat = new THREE.Matrix4();
|
|
|
+
|
|
|
+ if ( skinEntry.inverseBindMatrices !== undefined ) {
|
|
|
+
|
|
|
+ mat.fromArray( skinEntry.inverseBindMatrices.array, j * 16 );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ boneInverses.push( mat );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Joint "%s" could not be found.', skinEntry.joints[ j ] );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ mesh.bind( new THREE.Skeleton( bones, boneInverses ), mesh.matrixWorld );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ return node;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } ).then( function ( node ) {
|
|
|
+
|
|
|
+ // build node hierachy
|
|
|
+
|
|
|
+ parentObject.add( node );
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ if ( nodeDef.children ) {
|
|
|
+
|
|
|
+ var children = nodeDef.children;
|
|
|
+
|
|
|
+ for ( var i = 0, il = children.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var child = children[ i ];
|
|
|
+ pending.push( buildNodeHierachy( child, node, json, parser ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return function loadScene( sceneIndex ) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var sceneDef = this.json.scenes[ sceneIndex ];
|
|
|
+ var parser = this;
|
|
|
+
|
|
|
+ var scene = new THREE.Scene();
|
|
|
+ if ( sceneDef.name !== undefined ) scene.name = sceneDef.name;
|
|
|
+
|
|
|
+ assignExtrasToUserData( scene, sceneDef );
|
|
|
+
|
|
|
+ if ( sceneDef.extensions ) addUnknownExtensionsToUserData( extensions, scene, sceneDef );
|
|
|
+
|
|
|
+ var nodeIds = sceneDef.nodes || [];
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = nodeIds.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ pending.push( buildNodeHierachy( nodeIds[ i ], scene, json, parser ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending ).then( function () {
|
|
|
+
|
|
|
+ return scene;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ }();
|
|
|
+
|
|
|
+ return GLTFLoader;
|
|
|
+
|
|
|
+} )();
|
