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263 lines
3.9 KiB
263 lines
3.9 KiB
import {
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Loader,
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FileLoader
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} from '../../../build/three.module.js';
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import * as Nodes from '../nodes/Nodes.js';
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class NodeMaterialLoader extends Loader {
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constructor( manager, library = {} ) {
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super( manager );
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this.nodes = {};
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this.materials = {};
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this.passes = {};
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this.names = {};
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this.library = library;
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}
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load( url, onLoad, onProgress, onError ) {
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const scope = this;
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const loader = new FileLoader( scope.manager );
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loader.setPath( scope.path );
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loader.load( url, function ( text ) {
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onLoad( scope.parse( JSON.parse( text ) ) );
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}, onProgress, onError );
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return this;
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}
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getObjectByName( uuid ) {
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return this.names[ uuid ];
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}
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getObjectById( uuid ) {
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return this.library[ uuid ] ||
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this.nodes[ uuid ] ||
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this.materials[ uuid ] ||
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this.passes[ uuid ] ||
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this.names[ uuid ];
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}
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getNode( uuid ) {
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const object = this.getObjectById( uuid );
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if ( ! object ) {
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console.warn( 'Node "' + uuid + '" not found.' );
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}
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return object;
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}
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resolve( json ) {
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switch ( typeof json ) {
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case 'boolean':
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case 'number':
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return json;
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case 'string':
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if ( /^\w{8}-\w{4}-\w{4}-\w{4}-\w{12}$/i.test( json ) || this.library[ json ] ) {
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return this.getNode( json );
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}
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return json;
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default:
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if ( Array.isArray( json ) ) {
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for ( let i = 0; i < json.length; i ++ ) {
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json[ i ] = this.resolve( json[ i ] );
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}
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} else {
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for ( const prop in json ) {
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if ( prop === 'uuid' ) continue;
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json[ prop ] = this.resolve( json[ prop ] );
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}
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}
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}
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return json;
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}
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declare( json ) {
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let uuid, node, object;
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for ( uuid in json.nodes ) {
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node = json.nodes[ uuid ];
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object = new Nodes[ node.nodeType + 'Node' ]();
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if ( node.name ) {
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object.name = node.name;
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this.names[ object.name ] = object;
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}
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this.nodes[ uuid ] = object;
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}
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for ( uuid in json.materials ) {
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node = json.materials[ uuid ];
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object = new Nodes[ node.type ]();
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if ( node.name ) {
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object.name = node.name;
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this.names[ object.name ] = object;
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}
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this.materials[ uuid ] = object;
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}
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for ( uuid in json.passes ) {
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node = json.passes[ uuid ];
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object = new Nodes[ node.type ]();
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if ( node.name ) {
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object.name = node.name;
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this.names[ object.name ] = object;
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}
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this.passes[ uuid ] = object;
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}
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if ( json.material ) this.material = this.materials[ json.material ];
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if ( json.pass ) this.pass = this.passes[ json.pass ];
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return json;
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}
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parse( json ) {
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let uuid;
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json = this.resolve( this.declare( json ) );
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for ( uuid in json.nodes ) {
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this.nodes[ uuid ].copy( json.nodes[ uuid ] );
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}
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for ( uuid in json.materials ) {
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this.materials[ uuid ].copy( json.materials[ uuid ] );
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}
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for ( uuid in json.passes ) {
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this.passes[ uuid ].copy( json.passes[ uuid ] );
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}
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return this.material || this.pass || this;
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}
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}
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class NodeMaterialLoaderUtils {
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static replaceUUIDObject( object, uuid, value, recursive ) {
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recursive = recursive !== undefined ? recursive : true;
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if ( typeof uuid === 'object' ) uuid = uuid.uuid;
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if ( typeof object === 'object' ) {
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const keys = Object.keys( object );
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for ( let i = 0; i < keys.length; i ++ ) {
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const key = keys[ i ];
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if ( recursive ) {
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object[ key ] = this.replaceUUIDObject( object[ key ], uuid, value );
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}
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if ( key === uuid ) {
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object[ uuid ] = object[ key ];
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delete object[ key ];
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}
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}
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}
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return object === uuid ? value : object;
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}
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static replaceUUID( json, uuid, value ) {
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this.replaceUUIDObject( json, uuid, value, false );
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this.replaceUUIDObject( json.nodes, uuid, value );
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this.replaceUUIDObject( json.materials, uuid, value );
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this.replaceUUIDObject( json.passes, uuid, value );
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this.replaceUUIDObject( json.library, uuid, value, false );
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return json;
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}
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}
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export { NodeMaterialLoader, NodeMaterialLoaderUtils };
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