Merge pull request #723 from cx20/update_threejs_to_latest

Update three.js r156 to r157

libs/three.js/r157/examples/jsm/loaders/HDRCubeTextureLoader.js

@@ -0,0 +1,115 @@
+import {
+	CubeTexture,
+	DataTexture,
+	FileLoader,
+	FloatType,
+	HalfFloatType,
+	LinearFilter,
+	LinearSRGBColorSpace,
+	Loader
+} from 'three';
+import { RGBELoader } from '../loaders/RGBELoader.js';
+
+class HDRCubeTextureLoader extends Loader {
+
+	constructor( manager ) {
+
+		super( manager );
+
+		this.hdrLoader = new RGBELoader();
+		this.type = HalfFloatType;
+
+	}
+
+	load( urls, onLoad, onProgress, onError ) {
+
+		const texture = new CubeTexture();
+
+		texture.type = this.type;
+
+		switch ( texture.type ) {
+
+			case FloatType:
+
+				texture.colorSpace = LinearSRGBColorSpace;
+				texture.minFilter = LinearFilter;
+				texture.magFilter = LinearFilter;
+				texture.generateMipmaps = false;
+				break;
+
+			case HalfFloatType:
+
+				texture.colorSpace = LinearSRGBColorSpace;
+				texture.minFilter = LinearFilter;
+				texture.magFilter = LinearFilter;
+				texture.generateMipmaps = false;
+				break;
+
+		}
+
+		const scope = this;
+
+		let loaded = 0;
+
+		function loadHDRData( i, onLoad, onProgress, onError ) {
+
+			new FileLoader( scope.manager )
+				.setPath( scope.path )
+				.setResponseType( 'arraybuffer' )
+				.setWithCredentials( scope.withCredentials )
+				.load( urls[ i ], function ( buffer ) {
+
+					loaded ++;
+
+					const texData = scope.hdrLoader.parse( buffer );
+
+					if ( ! texData ) return;
+
+					if ( texData.data !== undefined ) {
+
+						const dataTexture = new DataTexture( texData.data, texData.width, texData.height );
+
+						dataTexture.type = texture.type;
+						dataTexture.colorSpace = texture.colorSpace;
+						dataTexture.format = texture.format;
+						dataTexture.minFilter = texture.minFilter;
+						dataTexture.magFilter = texture.magFilter;
+						dataTexture.generateMipmaps = texture.generateMipmaps;
+
+						texture.images[ i ] = dataTexture;
+
+					}
+
+					if ( loaded === 6 ) {
+
+						texture.needsUpdate = true;
+						if ( onLoad ) onLoad( texture );
+
+					}
+
+				}, onProgress, onError );
+
+		}
+
+		for ( let i = 0; i < urls.length; i ++ ) {
+
+			loadHDRData( i, onLoad, onProgress, onError );
+
+		}
+
+		return texture;
+
+	}
+
+	setDataType( value ) {
+
+		this.type = value;
+		this.hdrLoader.setDataType( value );
+
+		return this;
+
+	}
+
+}
+
+export { HDRCubeTextureLoader };