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111 lines
2.4 KiB
111 lines
2.4 KiB
import Node from '../core/Node.js';
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import OperatorNode from '../math/OperatorNode.js';
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import MaterialReferenceNode from './MaterialReferenceNode.js';
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class MaterialNode extends Node {
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static ALPHA_TEST = 'alphaTest';
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static COLOR = 'color';
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static OPACITY = 'opacity';
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static SPECULAR = 'specular';
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static SHININESS = 'shininess';
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constructor( scope = MaterialNode.COLOR ) {
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super();
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this.scope = scope;
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}
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getType( builder ) {
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const scope = this.scope;
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const material = builder.getContextParameter( 'material' );
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if ( scope === MaterialNode.COLOR ) {
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return material.map !== null ? 'vec4' : 'vec3';
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} else if ( scope === MaterialNode.OPACITY ) {
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return 'float';
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} else if ( scope === MaterialNode.SPECULAR ) {
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return 'vec3';
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} else if ( scope === MaterialNode.SHININESS ) {
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return 'float';
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}
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}
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generate( builder, output ) {
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const material = builder.getContextParameter( 'material' );
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const scope = this.scope;
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let node = null;
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if ( scope === MaterialNode.ALPHA_TEST ) {
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node = new MaterialReferenceNode( 'alphaTest', 'float' );
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} else if ( scope === MaterialNode.COLOR ) {
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const colorNode = new MaterialReferenceNode( 'color', 'color' );
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if ( material.map !== null && material.map !== undefined && material.map.isTexture === true ) {
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node = new OperatorNode( '*', colorNode, new MaterialReferenceNode( 'map', 'texture' ) );
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} else {
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node = colorNode;
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}
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} else if ( scope === MaterialNode.OPACITY ) {
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const opacityNode = new MaterialReferenceNode( 'opacity', 'float' );
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if ( material.alphaMap !== null && material.alphaMap !== undefined && material.alphaMap.isTexture === true ) {
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node = new OperatorNode( '*', opacityNode, new MaterialReferenceNode( 'alphaMap', 'texture' ) );
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} else {
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node = opacityNode;
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}
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} else if ( scope === MaterialNode.SPECULAR ) {
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const specularColorNode = new MaterialReferenceNode( 'specular', 'color' );
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if ( material.specularMap !== null && material.specularMap !== undefined && material.specularMap.isTexture === true ) {
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node = new OperatorNode( '*', specularColorNode, new MaterialReferenceNode( 'specularMap', 'texture' ) );
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} else {
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node = specularColorNode;
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}
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} else if ( scope === MaterialNode.SHININESS ) {
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node = new MaterialReferenceNode( 'shininess', 'float' );
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}
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return node.build( builder, output );
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}
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}
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export default MaterialNode;
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