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node_modules/three/examples/jsm/renderers/common/RenderObject.js

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+let id = 0;
+
+export default class RenderObject {
+
+	constructor( nodes, geometries, renderer, object, material, scene, camera, lightsNode, renderContext ) {
+
+		this._nodes = nodes;
+		this._geometries = geometries;
+
+		this.id = id ++;
+
+		this.renderer = renderer;
+		this.object = object;
+		this.material = material;
+		this.scene = scene;
+		this.camera = camera;
+		this.lightsNode = lightsNode;
+		this.context = renderContext;
+
+		this.geometry = object.geometry;
+		this.version = material.version;
+
+		this.attributes = null;
+		this.pipeline = null;
+		this.vertexBuffers = null;
+
+		this.initialNodesCacheKey = this.getNodesCacheKey();
+		this.initialCacheKey = this.getCacheKey();
+
+		this._nodeBuilderState = null;
+		this._bindings = null;
+
+		this.onDispose = null;
+
+		this.isRenderObject = true;
+
+		this.onMaterialDispose = () => {
+
+			this.dispose();
+
+		};
+
+		this.material.addEventListener( 'dispose', this.onMaterialDispose );
+
+	}
+
+	getNodeBuilderState() {
+
+		return this._nodeBuilderState || ( this._nodeBuilderState = this._nodes.getForRender( this ) );
+
+	}
+
+	getBindings() {
+
+		return this._bindings || ( this._bindings = this.getNodeBuilderState().createBindings() );
+
+	}
+
+	getIndex() {
+
+		return this._geometries.getIndex( this );
+
+	}
+
+	getChainArray() {
+
+		return [ this.object, this.material, this.context, this.lightsNode ];
+
+	}
+
+	getAttributes() {
+
+		if ( this.attributes !== null ) return this.attributes;
+
+		const nodeAttributes = this.getNodeBuilderState().nodeAttributes;
+		const geometry = this.geometry;
+
+		const attributes = [];
+		const vertexBuffers = new Set();
+
+		for ( const nodeAttribute of nodeAttributes ) {
+
+			const attribute = nodeAttribute.node && nodeAttribute.node.attribute ? nodeAttribute.node.attribute : geometry.getAttribute( nodeAttribute.name );
+
+			attributes.push( attribute );
+
+			const bufferAttribute = attribute.isInterleavedBufferAttribute ? attribute.data : attribute;
+			vertexBuffers.add( bufferAttribute );
+
+		}
+
+		this.attributes = attributes;
+		this.vertexBuffers = Array.from( vertexBuffers.values() );
+
+		return attributes;
+
+	}
+
+	getVertexBuffers() {
+
+		if ( this.vertexBuffers === null ) this.getAttributes();
+
+		return this.vertexBuffers;
+
+	}
+
+	getMaterialCacheKey() {
+
+		const material = this.material;
+
+		let cacheKey = material.customProgramCacheKey();
+
+		for ( const property in material ) {
+
+			if ( /^(is[A-Z])|^(visible|version|uuid|name|opacity|userData)$/.test( property ) ) continue;
+
+			let value = material[ property ];
+
+			if ( value !== null ) {
+
+				const type = typeof value;
+
+				if ( type === 'number' ) value = value !== 0 ? '1' : '0'; // Convert to on/off, important for clearcoat, transmission, etc
+				else if ( type === 'object' ) value = '{}';
+
+			}
+
+			cacheKey += /*property + ':' +*/ value + ',';
+
+		}
+
+		return cacheKey;
+
+	}
+
+	get needsUpdate() {
+
+		return this.initialNodesCacheKey !== this.getNodesCacheKey();
+
+	}
+
+	getNodesCacheKey() {
+
+		// Environment Nodes Cache Key
+
+		return this._nodes.getCacheKey( this.scene, this.lightsNode );
+
+	}
+
+	getCacheKey() {
+
+		return this.getMaterialCacheKey() + ',' + this.getNodesCacheKey();
+
+	}
+
+	dispose() {
+
+		this.material.removeEventListener( 'dispose', this.onMaterialDispose );
+
+		this.onDispose();
+
+	}
+
+}