three
Version:
JavaScript 3D library
107 lines (59 loc) • 2.36 kB
JavaScript
import ChainMap from './ChainMap.js';
import RenderObject from './RenderObject.js';
const chainArray = [];
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, clippingContext, passId ) {
const chainMap = this.getChainMap( passId );
// reuse chainArray
chainArray[ 0 ] = object;
chainArray[ 1 ] = material;
chainArray[ 2 ] = renderContext;
chainArray[ 3 ] = lightsNode;
let renderObject = chainMap.get( chainArray );
if ( renderObject === undefined ) {
renderObject = this.createRenderObject( this.nodes, this.geometries, this.renderer, object, material, scene, camera, lightsNode, renderContext, clippingContext, passId );
chainMap.set( chainArray, renderObject );
} else {
renderObject.updateClipping( clippingContext );
if ( renderObject.needsGeometryUpdate ) {
renderObject.setGeometry( object.geometry );
}
if ( renderObject.version !== material.version || renderObject.needsUpdate ) {
if ( renderObject.initialCacheKey !== renderObject.getCacheKey() ) {
renderObject.dispose();
renderObject = this.get( object, material, scene, camera, lightsNode, renderContext, clippingContext, 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, clippingContext, passId ) {
const chainMap = this.getChainMap( passId );
const renderObject = new RenderObject( nodes, geometries, renderer, object, material, scene, camera, lightsNode, renderContext, clippingContext );
renderObject.onDispose = () => {
this.pipelines.delete( renderObject );
this.bindings.delete( renderObject );
this.nodes.delete( renderObject );
chainMap.delete( renderObject.getChainArray() );
};
return renderObject;
}
}
export default RenderObjects;