import { CubeTexture, DataTexture, FileLoader, FloatType, HalfFloatType, LinearEncoding, LinearFilter, 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.encoding = LinearEncoding; texture.minFilter = LinearFilter; texture.magFilter = LinearFilter; texture.generateMipmaps = false; break; case HalfFloatType: texture.encoding = LinearEncoding; 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.encoding = texture.encoding; 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 };