419 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			419 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import Node, { addNodeClass } from '../core/Node.js';
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| import { reference } from './ReferenceNode.js';
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| import { materialReference } from './MaterialReferenceNode.js';
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| import { normalView } from './NormalNode.js';
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| import { nodeImmutable, float, vec2, mat2 } from '../shadernode/ShaderNode.js';
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| import { uniform } from '../core/UniformNode.js';
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| import { Vector2 } from 'three';
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| 
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| const _propertyCache = new Map();
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| 
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| class MaterialNode extends Node {
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| 
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| 	constructor( scope ) {
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| 
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| 		super();
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| 
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| 		this.scope = scope;
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| 
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| 	}
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| 
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| 	getCache( property, type ) {
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| 
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| 		let node = _propertyCache.get( property );
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| 
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| 		if ( node === undefined ) {
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| 
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| 			node = materialReference( property, type );
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| 
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| 			_propertyCache.set( property, node );
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| 
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| 		}
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| 
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| 		return node;
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| 
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| 	}
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| 
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| 	getFloat( property ) {
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| 
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| 		return this.getCache( property, 'float' );
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| 
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| 	}
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| 
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| 	getColor( property ) {
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| 
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| 		return this.getCache( property, 'color' );
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| 
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| 	}
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| 
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| 	getTexture( property ) {
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| 
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| 		return this.getCache( property === 'map' ? 'map' : property + 'Map', 'texture' );
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| 
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| 	}
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| 
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| 	setup( builder ) {
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| 
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| 		const material = builder.context.material;
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| 		const scope = this.scope;
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| 
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| 		let node = null;
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| 
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| 		if ( scope === MaterialNode.COLOR ) {
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| 
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| 			const colorNode = this.getColor( scope );
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| 
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| 			if ( material.map && material.map.isTexture === true ) {
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| 
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| 				node = colorNode.mul( this.getTexture( 'map' ) );
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| 
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| 			} else {
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| 
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| 				node = colorNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.OPACITY ) {
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| 
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| 			const opacityNode = this.getFloat( scope );
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| 
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| 			if ( material.alphaMap && material.alphaMap.isTexture === true ) {
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| 
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| 				node = opacityNode.mul( this.getTexture( 'alpha' ) );
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| 
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| 			} else {
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| 
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| 				node = opacityNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.SPECULAR_STRENGTH ) {
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| 
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| 			if ( material.specularMap && material.specularMap.isTexture === true ) {
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| 
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| 				node = this.getTexture( 'specular' ).r;
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| 
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| 			} else {
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| 
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| 				node = float( 1 );
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.SPECULAR_INTENSITY ) {
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| 
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| 			const specularIntensity = this.getFloat( scope );
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| 
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| 			if ( material.specularMap ) {
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| 
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| 				node = specularIntensity.mul( this.getTexture( scope ).a );
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| 
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| 			} else {
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| 
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| 				node = specularIntensity;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.SPECULAR_COLOR ) {
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| 
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| 			const specularColorNode = this.getColor( scope );
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| 
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| 			if ( material.specularColorMap && material.specularColorMap.isTexture === true ) {
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| 
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| 				node = specularColorNode.mul( this.getTexture( scope ).rgb );
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| 
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| 			} else {
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| 
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| 				node = specularColorNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.ROUGHNESS ) { // TODO: cleanup similar branches
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| 
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| 			const roughnessNode = this.getFloat( scope );
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| 
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| 			if ( material.roughnessMap && material.roughnessMap.isTexture === true ) {
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| 
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| 				node = roughnessNode.mul( this.getTexture( scope ).g );
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| 
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| 			} else {
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| 
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| 				node = roughnessNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.METALNESS ) {
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| 
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| 			const metalnessNode = this.getFloat( scope );
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| 
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| 			if ( material.metalnessMap && material.metalnessMap.isTexture === true ) {
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| 
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| 				node = metalnessNode.mul( this.getTexture( scope ).b );
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| 
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| 			} else {
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| 
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| 				node = metalnessNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.EMISSIVE ) {
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| 
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| 			const emissiveNode = this.getColor( scope );
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| 
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| 			if ( material.emissiveMap && material.emissiveMap.isTexture === true ) {
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| 
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| 				node = emissiveNode.mul( this.getTexture( scope ) );
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| 
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| 			} else {
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| 
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| 				node = emissiveNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.NORMAL ) {
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| 
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| 			if ( material.normalMap ) {
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| 
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| 				node = this.getTexture( 'normal' ).normalMap( this.getCache( 'normalScale', 'vec2' ) );
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| 
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| 			} else if ( material.bumpMap ) {
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| 
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| 				node = this.getTexture( 'bump' ).r.bumpMap( this.getFloat( 'bumpScale' ) );
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| 
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| 			} else {
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| 
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| 				node = normalView;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.CLEARCOAT ) {
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| 
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| 			const clearcoatNode = this.getFloat( scope );
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| 
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| 			if ( material.clearcoatMap && material.clearcoatMap.isTexture === true ) {
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| 
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| 				node = clearcoatNode.mul( this.getTexture( scope ).r );
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| 
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| 			} else {
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| 
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| 				node = clearcoatNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.CLEARCOAT_ROUGHNESS ) {
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| 
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| 			const clearcoatRoughnessNode = this.getFloat( scope );
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| 
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| 			if ( material.clearcoatRoughnessMap && material.clearcoatRoughnessMap.isTexture === true ) {
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| 
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| 				node = clearcoatRoughnessNode.mul( this.getTexture( scope ).r );
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| 
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| 			} else {
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| 
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| 				node = clearcoatRoughnessNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.CLEARCOAT_NORMAL ) {
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| 
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| 			if ( material.clearcoatNormalMap ) {
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| 
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| 				node = this.getTexture( scope ).normalMap( this.getCache( scope + 'Scale', 'vec2' ) );
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| 
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| 			} else {
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| 
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| 				node = normalView;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.SHEEN ) {
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| 
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| 			const sheenNode = this.getColor( 'sheenColor' ).mul( this.getFloat( 'sheen' ) ); // Move this mul() to CPU
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| 
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| 			if ( material.sheenColorMap && material.sheenColorMap.isTexture === true ) {
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| 
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| 				node = sheenNode.mul( this.getTexture( 'sheenColor' ).rgb );
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| 
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| 			} else {
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| 
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| 				node = sheenNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.SHEEN_ROUGHNESS ) {
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| 
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| 			const sheenRoughnessNode = this.getFloat( scope );
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| 
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| 			if ( material.sheenRoughnessMap && material.sheenRoughnessMap.isTexture === true ) {
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| 
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| 				node = sheenRoughnessNode.mul( this.getTexture( scope ).a );
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| 
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| 			} else {
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| 
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| 				node = sheenRoughnessNode;
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| 
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| 			}
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| 
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| 			node = node.clamp( 0.07, 1.0 );
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| 
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| 		} else if ( scope === MaterialNode.ANISOTROPY ) {
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| 
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| 			if ( material.anisotropyMap && material.anisotropyMap.isTexture === true ) {
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| 
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| 				const anisotropyPolar = this.getTexture( scope );
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| 				const anisotropyMat = mat2( materialAnisotropyVector.x, materialAnisotropyVector.y, materialAnisotropyVector.y.negate(), materialAnisotropyVector.x );
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| 
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| 				node = anisotropyMat.mul( anisotropyPolar.rg.mul( 2.0 ).sub( vec2( 1.0 ) ).normalize().mul( anisotropyPolar.b ) );
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| 
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| 			} else {
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| 
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| 				node = materialAnisotropyVector;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.IRIDESCENCE_THICKNESS ) {
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| 
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| 			const iridescenceThicknessMaximum = reference( '1', 'float', material.iridescenceThicknessRange );
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| 
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| 			if ( material.iridescenceThicknessMap ) {
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| 
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| 				const iridescenceThicknessMinimum = reference( '0', 'float', material.iridescenceThicknessRange );
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| 
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| 				node = iridescenceThicknessMaximum.sub( iridescenceThicknessMinimum ).mul( this.getTexture( scope ).g ).add( iridescenceThicknessMinimum );
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| 
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| 			} else {
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| 
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| 				node = iridescenceThicknessMaximum;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.TRANSMISSION ) {
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| 
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| 			const transmissionNode = this.getFloat( scope );
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| 
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| 			if ( material.transmissionMap ) {
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| 
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| 				node = transmissionNode.mul( this.getTexture( scope ).r );
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| 
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| 			} else {
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| 
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| 				node = transmissionNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.THICKNESS ) {
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| 
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| 			const thicknessNode = this.getFloat( scope );
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| 
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| 			if ( material.thicknessMap ) {
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| 
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| 				node = thicknessNode.mul( this.getTexture( scope ).g );
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| 
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| 			} else {
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| 
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| 				node = thicknessNode;
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| 
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| 			}
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| 
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| 		} else if ( scope === MaterialNode.IOR ) {
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| 
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| 			node = this.getFloat( scope );
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| 
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| 		} else {
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| 
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| 			const outputType = this.getNodeType( builder );
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| 
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| 			node = this.getCache( scope, outputType );
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| 
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| 		}
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| 
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| 		return node;
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| 
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| 	}
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| 
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| }
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| 
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| MaterialNode.ALPHA_TEST = 'alphaTest';
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| MaterialNode.COLOR = 'color';
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| MaterialNode.OPACITY = 'opacity';
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| MaterialNode.SHININESS = 'shininess';
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| MaterialNode.SPECULAR = 'specular';
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| MaterialNode.SPECULAR_STRENGTH = 'specularStrength';
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| MaterialNode.SPECULAR_INTENSITY = 'specularIntensity';
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| MaterialNode.SPECULAR_COLOR = 'specularColor';
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| MaterialNode.REFLECTIVITY = 'reflectivity';
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| MaterialNode.ROUGHNESS = 'roughness';
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| MaterialNode.METALNESS = 'metalness';
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| MaterialNode.NORMAL = 'normal';
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| MaterialNode.CLEARCOAT = 'clearcoat';
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| MaterialNode.CLEARCOAT_ROUGHNESS = 'clearcoatRoughness';
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| MaterialNode.CLEARCOAT_NORMAL = 'clearcoatNormal';
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| MaterialNode.EMISSIVE = 'emissive';
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| MaterialNode.ROTATION = 'rotation';
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| MaterialNode.SHEEN = 'sheen';
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| MaterialNode.SHEEN_ROUGHNESS = 'sheenRoughness';
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| MaterialNode.ANISOTROPY = 'anisotropy';
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| MaterialNode.IRIDESCENCE = 'iridescence';
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| MaterialNode.IRIDESCENCE_IOR = 'iridescenceIOR';
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| MaterialNode.IRIDESCENCE_THICKNESS = 'iridescenceThickness';
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| MaterialNode.IOR = 'ior';
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| MaterialNode.TRANSMISSION = 'transmission';
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| MaterialNode.THICKNESS = 'thickness';
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| MaterialNode.ATTENUATION_DISTANCE = 'attenuationDistance';
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| MaterialNode.ATTENUATION_COLOR = 'attenuationColor';
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| MaterialNode.LINE_SCALE = 'scale';
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| MaterialNode.LINE_DASH_SIZE = 'dashSize';
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| MaterialNode.LINE_GAP_SIZE = 'gapSize';
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| MaterialNode.LINE_WIDTH = 'linewidth';
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| MaterialNode.LINE_DASH_OFFSET = 'dashOffset';
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| MaterialNode.POINT_WIDTH = 'pointWidth';
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| 
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| export default MaterialNode;
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| 
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| export const materialAlphaTest = nodeImmutable( MaterialNode, MaterialNode.ALPHA_TEST );
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| export const materialColor = nodeImmutable( MaterialNode, MaterialNode.COLOR );
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| export const materialShininess = nodeImmutable( MaterialNode, MaterialNode.SHININESS );
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| export const materialEmissive = nodeImmutable( MaterialNode, MaterialNode.EMISSIVE );
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| export const materialOpacity = nodeImmutable( MaterialNode, MaterialNode.OPACITY );
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| export const materialSpecular = nodeImmutable( MaterialNode, MaterialNode.SPECULAR );
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| 
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| export const materialSpecularIntensity = nodeImmutable( MaterialNode, MaterialNode.SPECULAR_INTENSITY );
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| export const materialSpecularColor = nodeImmutable( MaterialNode, MaterialNode.SPECULAR_COLOR );
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| 
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| export const materialSpecularStrength = nodeImmutable( MaterialNode, MaterialNode.SPECULAR_STRENGTH );
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| export const materialReflectivity = nodeImmutable( MaterialNode, MaterialNode.REFLECTIVITY );
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| export const materialRoughness = nodeImmutable( MaterialNode, MaterialNode.ROUGHNESS );
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| export const materialMetalness = nodeImmutable( MaterialNode, MaterialNode.METALNESS );
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| export const materialNormal = nodeImmutable( MaterialNode, MaterialNode.NORMAL );
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| export const materialClearcoat = nodeImmutable( MaterialNode, MaterialNode.CLEARCOAT );
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| export const materialClearcoatRoughness = nodeImmutable( MaterialNode, MaterialNode.CLEARCOAT_ROUGHNESS );
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| export const materialClearcoatNormal = nodeImmutable( MaterialNode, MaterialNode.CLEARCOAT_NORMAL );
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| export const materialRotation = nodeImmutable( MaterialNode, MaterialNode.ROTATION );
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| export const materialSheen = nodeImmutable( MaterialNode, MaterialNode.SHEEN );
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| export const materialSheenRoughness = nodeImmutable( MaterialNode, MaterialNode.SHEEN_ROUGHNESS );
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| export const materialAnisotropy = nodeImmutable( MaterialNode, MaterialNode.ANISOTROPY );
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| export const materialIridescence = nodeImmutable( MaterialNode, MaterialNode.IRIDESCENCE );
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| export const materialIridescenceIOR = nodeImmutable( MaterialNode, MaterialNode.IRIDESCENCE_IOR );
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| export const materialIridescenceThickness = nodeImmutable( MaterialNode, MaterialNode.IRIDESCENCE_THICKNESS );
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| export const materialTransmission = nodeImmutable( MaterialNode, MaterialNode.TRANSMISSION );
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| export const materialThickness = nodeImmutable( MaterialNode, MaterialNode.THICKNESS );
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| export const materialIOR = nodeImmutable( MaterialNode, MaterialNode.IOR );
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| export const materialAttenuationDistance = nodeImmutable( MaterialNode, MaterialNode.ATTENUATION_DISTANCE );
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| export const materialAttenuationColor = nodeImmutable( MaterialNode, MaterialNode.ATTENUATION_COLOR );
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| export const materialLineScale = nodeImmutable( MaterialNode, MaterialNode.LINE_SCALE );
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| export const materialLineDashSize = nodeImmutable( MaterialNode, MaterialNode.LINE_DASH_SIZE );
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| export const materialLineGapSize = nodeImmutable( MaterialNode, MaterialNode.LINE_GAP_SIZE );
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| export const materialLineWidth = nodeImmutable( MaterialNode, MaterialNode.LINE_WIDTH );
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| export const materialLineDashOffset = nodeImmutable( MaterialNode, MaterialNode.LINE_DASH_OFFSET );
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| export const materialPointWidth = nodeImmutable( MaterialNode, MaterialNode.POINT_WIDTH );
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| export const materialAnisotropyVector = uniform( new Vector2() ).onReference( function ( frame ) {
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| 
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| 	return frame.material;
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| 
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| } ).onRenderUpdate( function ( { material } ) {
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| 
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| 	this.value.set( material.anisotropy * Math.cos( material.anisotropyRotation ), material.anisotropy * Math.sin( material.anisotropyRotation ) );
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| 
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| } );
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| 
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| addNodeClass( 'MaterialNode', MaterialNode );
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