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import TempNode from '../core/TempNode.js';
import { addNodeClass } from '../core/Node.js';
import { addNodeElement, nodeArray, nodeObject, nodeObjects } from '../shadernode/ShaderNode.js';
class FunctionCallNode extends TempNode {
constructor( functionNode = null, parameters = {} ) {
super();
this.functionNode = functionNode;
this.parameters = parameters;
}
setParameters( parameters ) {
this.parameters = parameters;
return this;
}
getParameters() {
return this.parameters;
}
getNodeType( builder ) {
return this.functionNode.getNodeType( builder );
}
generate( builder ) {
const params = [];
const functionNode = this.functionNode;
const inputs = functionNode.getInputs( builder );
const parameters = this.parameters;
if ( Array.isArray( parameters ) ) {
for ( let i = 0; i < parameters.length; i ++ ) {
const inputNode = inputs[ i ];
const node = parameters[ i ];
params.push( node.build( builder, inputNode.type ) );
}
} else {
for ( const inputNode of inputs ) {
const node = parameters[ inputNode.name ];
if ( node !== undefined ) {
params.push( node.build( builder, inputNode.type ) );
} else {
throw new Error( `FunctionCallNode: Input '${inputNode.name}' not found in FunctionNode.` );
}
}
}
const functionName = functionNode.build( builder, 'property' );
return `${functionName}( ${params.join( ', ' )} )`;
}
}
export default FunctionCallNode;
export const call = ( func, ...params ) => {
params = params.length > 1 || ( params[ 0 ] && params[ 0 ].isNode === true ) ? nodeArray( params ) : nodeObjects( params[ 0 ] );
return nodeObject( new FunctionCallNode( nodeObject( func ), params ) );
};
addNodeElement( 'call', call );
addNodeClass( 'FunctionCallNode', FunctionCallNode );