最新代码

public/sdk/three/jsm/renderers/common/RenderObjects.js

@@ -0,0 +1,93 @@
+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;