File: //var/www/aspa/three/addons/nodes/math/OperatorNode.js
import TempNode from '../core/TempNode.js';
import { addNodeClass } from '../core/Node.js';
import { addNodeElement, nodeProxy } from '../shadernode/ShaderNode.js';
class OperatorNode extends TempNode {
constructor( op, aNode, bNode, ...params ) {
super();
this.op = op;
if ( params.length > 0 ) {
let finalBNode = bNode;
for ( let i = 0; i < params.length; i ++ ) {
finalBNode = new OperatorNode( op, finalBNode, params[ i ] );
}
bNode = finalBNode;
}
this.aNode = aNode;
this.bNode = bNode;
}
getNodeType( builder, output ) {
const op = this.op;
const aNode = this.aNode;
const bNode = this.bNode;
const typeA = aNode.getNodeType( builder );
const typeB = typeof bNode !== 'undefined' ? bNode.getNodeType( builder ) : null;
if ( typeA === 'void' || typeB === 'void' ) {
return 'void';
} else if ( op === '%' ) {
return typeA;
} else if ( op === '~' || op === '&' || op === '|' || op === '^' || op === '>>' || op === '<<' ) {
return builder.getIntegerType( typeA );
} else if ( op === '!' || op === '==' || op === '&&' || op === '||' || op === '^^' ) {
return 'bool';
} else if ( op === '<' || op === '>' || op === '<=' || op === '>=' ) {
const typeLength = output ? builder.getTypeLength( output ) : Math.max( builder.getTypeLength( typeA ), builder.getTypeLength( typeB ) );
return typeLength > 1 ? `bvec${ typeLength }` : 'bool';
} else {
if ( typeA === 'float' && builder.isMatrix( typeB ) ) {
return typeB;
} else if ( builder.isMatrix( typeA ) && builder.isVector( typeB ) ) {
// matrix x vector
return builder.getVectorFromMatrix( typeA );
} else if ( builder.isVector( typeA ) && builder.isMatrix( typeB ) ) {
// vector x matrix
return builder.getVectorFromMatrix( typeB );
} else if ( builder.getTypeLength( typeB ) > builder.getTypeLength( typeA ) ) {
// anytype x anytype: use the greater length vector
return typeB;
}
return typeA;
}
}
generate( builder, output ) {
const op = this.op;
const aNode = this.aNode;
const bNode = this.bNode;
const type = this.getNodeType( builder, output );
let typeA = null;
let typeB = null;
if ( type !== 'void' ) {
typeA = aNode.getNodeType( builder );
typeB = typeof bNode !== 'undefined' ? bNode.getNodeType( builder ) : null;
if ( op === '<' || op === '>' || op === '<=' || op === '>=' || op === '==' ) {
if ( builder.isVector( typeA ) ) {
typeB = typeA;
} else {
typeA = typeB = 'float';
}
} else if ( op === '>>' || op === '<<' ) {
typeA = type;
typeB = builder.changeComponentType( typeB, 'uint' );
} else if ( builder.isMatrix( typeA ) && builder.isVector( typeB ) ) {
// matrix x vector
typeB = builder.getVectorFromMatrix( typeA );
} else if ( builder.isVector( typeA ) && builder.isMatrix( typeB ) ) {
// vector x matrix
typeA = builder.getVectorFromMatrix( typeB );
} else {
// anytype x anytype
typeA = typeB = type;
}
} else {
typeA = typeB = type;
}
const a = aNode.build( builder, typeA );
const b = typeof bNode !== 'undefined' ? bNode.build( builder, typeB ) : null;
const outputLength = builder.getTypeLength( output );
const fnOpSnippet = builder.getFunctionOperator( op );
if ( output !== 'void' ) {
if ( op === '<' && outputLength > 1 ) {
return builder.format( `${ builder.getMethod( 'lessThan' ) }( ${ a }, ${ b } )`, type, output );
} else if ( op === '<=' && outputLength > 1 ) {
return builder.format( `${ builder.getMethod( 'lessThanEqual' ) }( ${ a }, ${ b } )`, type, output );
} else if ( op === '>' && outputLength > 1 ) {
return builder.format( `${ builder.getMethod( 'greaterThan' ) }( ${ a }, ${ b } )`, type, output );
} else if ( op === '>=' && outputLength > 1 ) {
return builder.format( `${ builder.getMethod( 'greaterThanEqual' ) }( ${ a }, ${ b } )`, type, output );
} else if ( op === '!' || op === '~' ) {
return builder.format( `(${op}${a})`, typeA, output );
} else if ( fnOpSnippet ) {
return builder.format( `${ fnOpSnippet }( ${ a }, ${ b } )`, type, output );
} else {
return builder.format( `( ${ a } ${ op } ${ b } )`, type, output );
}
} else if ( typeA !== 'void' ) {
if ( fnOpSnippet ) {
return builder.format( `${ fnOpSnippet }( ${ a }, ${ b } )`, type, output );
} else {
return builder.format( `${ a } ${ op } ${ b }`, type, output );
}
}
}
serialize( data ) {
super.serialize( data );
data.op = this.op;
}
deserialize( data ) {
super.deserialize( data );
this.op = data.op;
}
}
export default OperatorNode;
export const add = nodeProxy( OperatorNode, '+' );
export const sub = nodeProxy( OperatorNode, '-' );
export const mul = nodeProxy( OperatorNode, '*' );
export const div = nodeProxy( OperatorNode, '/' );
export const remainder = nodeProxy( OperatorNode, '%' );
export const equal = nodeProxy( OperatorNode, '==' );
export const notEqual = nodeProxy( OperatorNode, '!=' );
export const lessThan = nodeProxy( OperatorNode, '<' );
export const greaterThan = nodeProxy( OperatorNode, '>' );
export const lessThanEqual = nodeProxy( OperatorNode, '<=' );
export const greaterThanEqual = nodeProxy( OperatorNode, '>=' );
export const and = nodeProxy( OperatorNode, '&&' );
export const or = nodeProxy( OperatorNode, '||' );
export const not = nodeProxy( OperatorNode, '!' );
export const xor = nodeProxy( OperatorNode, '^^' );
export const bitAnd = nodeProxy( OperatorNode, '&' );
export const bitNot = nodeProxy( OperatorNode, '~' );
export const bitOr = nodeProxy( OperatorNode, '|' );
export const bitXor = nodeProxy( OperatorNode, '^' );
export const shiftLeft = nodeProxy( OperatorNode, '<<' );
export const shiftRight = nodeProxy( OperatorNode, '>>' );
addNodeElement( 'add', add );
addNodeElement( 'sub', sub );
addNodeElement( 'mul', mul );
addNodeElement( 'div', div );
addNodeElement( 'remainder', remainder );
addNodeElement( 'equal', equal );
addNodeElement( 'notEqual', notEqual );
addNodeElement( 'lessThan', lessThan );
addNodeElement( 'greaterThan', greaterThan );
addNodeElement( 'lessThanEqual', lessThanEqual );
addNodeElement( 'greaterThanEqual', greaterThanEqual );
addNodeElement( 'and', and );
addNodeElement( 'or', or );
addNodeElement( 'not', not );
addNodeElement( 'xor', xor );
addNodeElement( 'bitAnd', bitAnd );
addNodeElement( 'bitNot', bitNot );
addNodeElement( 'bitOr', bitOr );
addNodeElement( 'bitXor', bitXor );
addNodeElement( 'shiftLeft', shiftLeft );
addNodeElement( 'shiftRight', shiftRight );
addNodeClass( 'OperatorNode', OperatorNode );