103 lines
2.2 KiB
JavaScript
103 lines
2.2 KiB
JavaScript
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import { LinearFilter, LinearMipMapLinearFilter, ClampToEdgeWrapping } from '../constants.js';
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import { FileLoader } from './FileLoader.js';
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import { DataTexture } from '../textures/DataTexture.js';
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import { DefaultLoadingManager } from './LoadingManager.js';
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/**
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* @author Nikos M. / https://github.com/foo123/
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*
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* Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)
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*/
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function DataTextureLoader( manager ) {
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this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
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// override in sub classes
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this._parser = null;
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}
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Object.assign( DataTextureLoader.prototype, {
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load: function ( url, onLoad, onProgress, onError ) {
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var scope = this;
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var texture = new DataTexture();
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var loader = new FileLoader( this.manager );
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loader.setResponseType( 'arraybuffer' );
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loader.setPath( this.path );
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loader.load( url, function ( buffer ) {
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var texData = scope._parser( buffer );
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if ( ! texData ) return;
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if ( undefined !== texData.image ) {
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texture.image = texData.image;
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} else if ( undefined !== texData.data ) {
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texture.image.width = texData.width;
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texture.image.height = texData.height;
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texture.image.data = texData.data;
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}
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texture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;
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texture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;
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texture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;
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texture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;
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texture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;
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if ( undefined !== texData.format ) {
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texture.format = texData.format;
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}
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if ( undefined !== texData.type ) {
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texture.type = texData.type;
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}
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if ( undefined !== texData.mipmaps ) {
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texture.mipmaps = texData.mipmaps;
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}
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if ( 1 === texData.mipmapCount ) {
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texture.minFilter = LinearFilter;
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}
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texture.needsUpdate = true;
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if ( onLoad ) onLoad( texture, texData );
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}, onProgress, onError );
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return texture;
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},
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setPath: function ( value ) {
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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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export { DataTextureLoader };
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