62 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			62 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | import { addNodeClass } from '../core/Node.js'; | ||
|  | import TempNode from '../core/TempNode.js'; | ||
|  | 
 | ||
|  | class JoinNode extends TempNode { | ||
|  | 
 | ||
|  | 	constructor( nodes = [], nodeType = null ) { | ||
|  | 
 | ||
|  | 		super( nodeType ); | ||
|  | 
 | ||
|  | 		this.nodes = nodes; | ||
|  | 
 | ||
|  | 	} | ||
|  | 
 | ||
|  | 	getNodeType( builder ) { | ||
|  | 
 | ||
|  | 		if ( this.nodeType !== null ) { | ||
|  | 
 | ||
|  | 			return builder.getVectorType( this.nodeType ); | ||
|  | 
 | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return builder.getTypeFromLength( this.nodes.reduce( ( count, cur ) => count + builder.getTypeLength( cur.getNodeType( builder ) ), 0 ) ); | ||
|  | 
 | ||
|  | 	} | ||
|  | 
 | ||
|  | 	generate( builder, output ) { | ||
|  | 
 | ||
|  | 		const type = this.getNodeType( builder ); | ||
|  | 		const nodes = this.nodes; | ||
|  | 
 | ||
|  | 		const primitiveType = builder.getComponentType( type ); | ||
|  | 
 | ||
|  | 		const snippetValues = []; | ||
|  | 
 | ||
|  | 		for ( const input of nodes ) { | ||
|  | 
 | ||
|  | 			let inputSnippet = input.build( builder ); | ||
|  | 
 | ||
|  | 			const inputPrimitiveType = builder.getComponentType( input.getNodeType( builder ) ); | ||
|  | 
 | ||
|  | 			if ( inputPrimitiveType !== primitiveType ) { | ||
|  | 
 | ||
|  | 				inputSnippet = builder.format( inputSnippet, inputPrimitiveType, primitiveType ); | ||
|  | 
 | ||
|  | 			} | ||
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|  | 			snippetValues.push( inputSnippet ); | ||
|  | 
 | ||
|  | 		} | ||
|  | 
 | ||
|  | 		const snippet = `${ builder.getType( type ) }( ${ snippetValues.join( ', ' ) } )`; | ||
|  | 
 | ||
|  | 		return builder.format( snippet, type, output ); | ||
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 | ||
|  | 	} | ||
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 | ||
|  | } | ||
|  | 
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|  | export default JoinNode; | ||
|  | 
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|  | addNodeClass( 'JoinNode', JoinNode ); |