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- import ChainMap from './ChainMap.js';
- import RenderObject from './RenderObject.js';
- class RenderObjects {
- constructor( renderer, nodes, geometries, pipelines, bindings, info ) {
- this.renderer = renderer;
- this.nodes = nodes;
- this.geometries = geometries;
- this.pipelines = pipelines;
- this.bindings = bindings;
- this.info = info;
- this.chainMaps = {};
- }
- get( object, material, scene, camera, lightsNode, renderContext, passId ) {
- const chainMap = this.getChainMap( passId );
- const chainArray = [ object, material, renderContext, lightsNode ];
- let renderObject = chainMap.get( chainArray );
- if ( renderObject === undefined ) {
- renderObject = this.createRenderObject( this.nodes, this.geometries, this.renderer, object, material, scene, camera, lightsNode, renderContext, passId );
- chainMap.set( chainArray, renderObject );
- } else {
- renderObject.updateClipping( renderContext.clippingContext );
- if ( renderObject.version !== material.version || renderObject.needsUpdate ) {
- if ( renderObject.initialCacheKey !== renderObject.getCacheKey() ) {
- renderObject.dispose();
- renderObject = this.get( object, material, scene, camera, lightsNode, renderContext, passId );
- } else {
- renderObject.version = material.version;
- }
- }
- }
- return renderObject;
- }
- getChainMap( passId = 'default' ) {
- return this.chainMaps[ passId ] || ( this.chainMaps[ passId ] = new ChainMap() );
- }
- dispose() {
- this.chainMaps = {};
- }
- createRenderObject( nodes, geometries, renderer, object, material, scene, camera, lightsNode, renderContext, passId ) {
- const chainMap = this.getChainMap( passId );
- const renderObject = new RenderObject( nodes, geometries, renderer, object, material, scene, camera, lightsNode, renderContext );
- renderObject.onDispose = () => {
- this.pipelines.delete( renderObject );
- this.bindings.delete( renderObject );
- this.nodes.delete( renderObject );
- chainMap.delete( renderObject.getChainArray() );
- };
- return renderObject;
- }
- }
- export default RenderObjects;
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