first commit

public/sdk/three/jsm/nodes/loaders/NodeLoader.js

@@ -0,0 +1,108 @@
+import { createNodeFromType } from '../core/Node.js';
+import { nodeObject } from '../shadernode/ShaderNode.js';
+import { FileLoader, Loader } from 'three';
+
+class NodeLoader extends Loader {
+
+	constructor( manager ) {
+
+		super( manager );
+
+		this.textures = {};
+
+	}
+
+	load( url, onLoad, onProgress, onError ) {
+
+		const loader = new FileLoader( this.manager );
+		loader.setPath( this.path );
+		loader.setRequestHeader( this.requestHeader );
+		loader.setWithCredentials( this.withCredentials );
+		loader.load( url, ( text ) => {
+
+			try {
+
+				onLoad( this.parse( JSON.parse( text ) ) );
+
+			} catch ( e ) {
+
+				if ( onError ) {
+
+					onError( e );
+
+				} else {
+
+					console.error( e );
+
+				}
+
+				this.manager.itemError( url );
+
+			}
+
+		}, onProgress, onError );
+
+	}
+
+	parseNodes( json ) {
+
+		const nodes = {};
+
+		if ( json !== undefined ) {
+
+			for ( const nodeJSON of json ) {
+
+				const { uuid, type } = nodeJSON;
+
+				nodes[ uuid ] = nodeObject( createNodeFromType( type ) ); // @TODO: Maybe nodeObjectify the node in createNodeFromType?
+				nodes[ uuid ].uuid = uuid;
+
+			}
+
+			const meta = { nodes, textures: this.textures };
+
+			for ( const nodeJSON of json ) {
+
+				nodeJSON.meta = meta;
+
+				const node = nodes[ nodeJSON.uuid ];
+				node.deserialize( nodeJSON );
+
+				delete nodeJSON.meta;
+
+			}
+
+		}
+
+		return nodes;
+
+	}
+
+	parse( json ) {
+
+		const node = nodeObject( createNodeFromType( json.type ) );
+		node.uuid = json.uuid;
+
+		const nodes = this.parseNodes( json.nodes );
+		const meta = { nodes, textures: this.textures };
+
+		json.meta = meta;
+
+		node.deserialize( json );
+
+		delete json.meta;
+
+		return node;
+
+	}
+
+	setTextures( value ) {
+
+		this.textures = value;
+		return this;
+
+	}
+
+}
+
+export default NodeLoader;