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122 lines
2.2 KiB
122 lines
2.2 KiB
2 years ago
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( function () {
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class KMZLoader extends THREE.Loader {
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constructor( manager ) {
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super( manager );
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}
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load( url, onLoad, onProgress, onError ) {
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const scope = this;
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const loader = new THREE.FileLoader( scope.manager );
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loader.setPath( scope.path );
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loader.setResponseType( 'arraybuffer' );
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loader.setRequestHeader( scope.requestHeader );
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loader.setWithCredentials( scope.withCredentials );
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loader.load( url, function ( text ) {
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try {
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onLoad( scope.parse( text ) );
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} catch ( e ) {
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if ( onError ) {
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onError( e );
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} else {
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console.error( e );
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}
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scope.manager.itemError( url );
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}
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}, onProgress, onError );
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}
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parse( data ) {
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function findFile( url ) {
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for ( const path in zip ) {
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if ( path.slice( - url.length ) === url ) {
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return zip[ path ];
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}
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}
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}
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const manager = new THREE.LoadingManager();
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manager.setURLModifier( function ( url ) {
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const image = findFile( url );
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if ( image ) {
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console.log( 'Loading', url );
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const blob = new Blob( [ image.buffer ], {
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type: 'application/octet-stream'
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} );
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return URL.createObjectURL( blob );
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}
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return url;
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} );
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//
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const zip = fflate.unzipSync( new Uint8Array( data ) ); // eslint-disable-line no-undef
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if ( zip[ 'doc.kml' ] ) {
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const xml = new DOMParser().parseFromString( fflate.strFromU8( zip[ 'doc.kml' ] ), 'application/xml' ); // eslint-disable-line no-undef
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const model = xml.querySelector( 'Placemark Model Link href' );
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if ( model ) {
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const loader = new THREE.ColladaLoader( manager );
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return loader.parse( fflate.strFromU8( zip[ model.textContent ] ) ); // eslint-disable-line no-undef
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}
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} else {
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console.warn( 'KMZLoader: Missing doc.kml file.' );
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for ( const path in zip ) {
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const extension = path.split( '.' ).pop().toLowerCase();
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if ( extension === 'dae' ) {
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const loader = new THREE.ColladaLoader( manager );
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return loader.parse( fflate.strFromU8( zip[ path ] ) ); // eslint-disable-line no-undef
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}
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}
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}
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console.error( 'KMZLoader: Couldn\'t find .dae file.' );
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return {
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scene: new THREE.Group()
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};
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}
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}
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THREE.KMZLoader = KMZLoader;
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} )();
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