You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
1.7 KiB
102 lines
1.7 KiB
import Node from '../core/Node.js';
|
|
import { vector } from '../core/NodeBuilder.js';
|
|
|
|
const vectorComponents = 'xyzw';
|
|
|
|
class SplitNode extends Node {
|
|
|
|
constructor( node, components = 'x' ) {
|
|
|
|
super();
|
|
|
|
this.node = node;
|
|
this.components = components;
|
|
|
|
}
|
|
|
|
getVectorLength() {
|
|
|
|
let vectorLength = this.components.length;
|
|
|
|
for ( const c of this.components ) {
|
|
|
|
vectorLength = Math.max( vector.indexOf( c ) + 1, vectorLength );
|
|
|
|
}
|
|
|
|
return vectorLength;
|
|
|
|
}
|
|
|
|
getNodeType( builder ) {
|
|
|
|
return builder.getTypeFromLength( this.components.length );
|
|
|
|
}
|
|
|
|
generate( builder, output ) {
|
|
|
|
const node = this.node;
|
|
const nodeTypeLength = builder.getTypeLength( node.getNodeType( builder ) );
|
|
|
|
let snippet = null;
|
|
|
|
if ( nodeTypeLength > 1 ) {
|
|
|
|
let type = null;
|
|
|
|
const componentsLength = this.getVectorLength();
|
|
|
|
if ( componentsLength >= nodeTypeLength ) {
|
|
|
|
// needed expand the input node
|
|
|
|
type = builder.getTypeFromLength( this.getVectorLength() );
|
|
|
|
}
|
|
|
|
const nodeSnippet = node.build( builder, type );
|
|
|
|
if ( this.components.length === nodeTypeLength && this.components === vectorComponents.slice( 0, this.components.length ) ) {
|
|
|
|
// unecessary swizzle
|
|
|
|
snippet = builder.format( nodeSnippet, type, output );
|
|
|
|
} else {
|
|
|
|
snippet = builder.format( `${nodeSnippet}.${this.components}`, this.getNodeType( builder ), output );
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// ignore .components if .node returns float/integer
|
|
|
|
snippet = node.build( builder, output );
|
|
|
|
}
|
|
|
|
return snippet;
|
|
|
|
}
|
|
|
|
serialize( data ) {
|
|
|
|
super.serialize( data );
|
|
|
|
data.components = this.components;
|
|
|
|
}
|
|
|
|
deserialize( data ) {
|
|
|
|
super.deserialize( data );
|
|
|
|
this.components = data.components;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export default SplitNode;
|
|
|