853 lines
17 KiB
JavaScript
853 lines
17 KiB
JavaScript
import {
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FileLoader,
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Loader,
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TextureLoader,
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RepeatWrapping
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} from 'three';
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import {
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MeshBasicNodeMaterial, MeshPhysicalNodeMaterial,
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float, bool, int, vec2, vec3, vec4, color, texture,
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positionLocal, positionWorld, uv, vertexColor,
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normalLocal, normalWorld, tangentLocal, tangentWorld,
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add, sub, mul, div, mod, abs, sign, floor, ceil, round, pow, sin, cos, tan,
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asin, acos, atan2, sqrt, exp, clamp, min, max, normalize, length, dot, cross, normalMap,
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remap, smoothstep, luminance, mx_rgbtohsv, mx_hsvtorgb,
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mix,
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mx_ramplr, mx_ramptb, mx_splitlr, mx_splittb,
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mx_fractal_noise_float, mx_noise_float, mx_cell_noise_float, mx_worley_noise_float,
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mx_transform_uv,
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mx_safepower, mx_contrast,
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mx_srgb_texture_to_lin_rec709,
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saturation
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} from '../nodes/Nodes.js';
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const colorSpaceLib = {
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mx_srgb_texture_to_lin_rec709
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};
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class MXElement {
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constructor( name, nodeFunc, params = null ) {
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this.name = name;
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this.nodeFunc = nodeFunc;
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this.params = params;
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}
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}
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// Ref: https://github.com/mrdoob/three.js/issues/24674
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const mx_add = ( in1, in2 = float( 0 ) ) => add( in1, in2 );
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const mx_subtract = ( in1, in2 = float( 0 ) ) => sub( in1, in2 );
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const mx_multiply = ( in1, in2 = float( 1 ) ) => mul( in1, in2 );
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const mx_divide = ( in1, in2 = float( 1 ) ) => div( in1, in2 );
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const mx_modulo = ( in1, in2 = float( 1 ) ) => mod( in1, in2 );
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const mx_power = ( in1, in2 = float( 1 ) ) => pow( in1, in2 );
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const mx_atan2 = ( in1 = float( 0 ), in2 = float( 1 ) ) => atan2( in1, in2 );
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const MXElements = [
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// << Math >>
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new MXElement( 'add', mx_add, [ 'in1', 'in2' ] ),
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new MXElement( 'subtract', mx_subtract, [ 'in1', 'in2' ] ),
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new MXElement( 'multiply', mx_multiply, [ 'in1', 'in2' ] ),
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new MXElement( 'divide', mx_divide, [ 'in1', 'in2' ] ),
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new MXElement( 'modulo', mx_modulo, [ 'in1', 'in2' ] ),
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new MXElement( 'absval', abs, [ 'in1', 'in2' ] ),
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new MXElement( 'sign', sign, [ 'in1', 'in2' ] ),
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new MXElement( 'floor', floor, [ 'in1', 'in2' ] ),
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new MXElement( 'ceil', ceil, [ 'in1', 'in2' ] ),
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new MXElement( 'round', round, [ 'in1', 'in2' ] ),
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new MXElement( 'power', mx_power, [ 'in1', 'in2' ] ),
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new MXElement( 'sin', sin, [ 'in' ] ),
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new MXElement( 'cos', cos, [ 'in' ] ),
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new MXElement( 'tan', tan, [ 'in' ] ),
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new MXElement( 'asin', asin, [ 'in' ] ),
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new MXElement( 'acos', acos, [ 'in' ] ),
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new MXElement( 'atan2', mx_atan2, [ 'in1', 'in2' ] ),
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new MXElement( 'sqrt', sqrt, [ 'in' ] ),
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//new MtlXElement( 'ln', ... ),
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new MXElement( 'exp', exp, [ 'in' ] ),
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new MXElement( 'clamp', clamp, [ 'in', 'low', 'high' ] ),
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new MXElement( 'min', min, [ 'in1', 'in2' ] ),
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new MXElement( 'max', max, [ 'in1', 'in2' ] ),
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new MXElement( 'normalize', normalize, [ 'in' ] ),
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new MXElement( 'magnitude', length, [ 'in1', 'in2' ] ),
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new MXElement( 'dotproduct', dot, [ 'in1', 'in2' ] ),
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new MXElement( 'crossproduct', cross, [ 'in' ] ),
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//new MtlXElement( 'transformpoint', ... ),
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//new MtlXElement( 'transformvector', ... ),
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//new MtlXElement( 'transformnormal', ... ),
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//new MtlXElement( 'transformmatrix', ... ),
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new MXElement( 'normalmap', normalMap, [ 'in', 'scale' ] ),
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//new MtlXElement( 'transpose', ... ),
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//new MtlXElement( 'determinant', ... ),
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//new MtlXElement( 'invertmatrix', ... ),
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//new MtlXElement( 'rotate2d', rotateUV, [ 'in', radians( 'amount' )** ] ),
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//new MtlXElement( 'rotate3d', ... ),
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//new MtlXElement( 'arrayappend', ... ),
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//new MtlXElement( 'dot', ... ),
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// << Adjustment >>
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new MXElement( 'remap', remap, [ 'in', 'inlow', 'inhigh', 'outlow', 'outhigh' ] ),
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new MXElement( 'smoothstep', smoothstep, [ 'in', 'low', 'high' ] ),
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//new MtlXElement( 'curveadjust', ... ),
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//new MtlXElement( 'curvelookup', ... ),
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new MXElement( 'luminance', luminance, [ 'in', 'lumacoeffs' ] ),
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new MXElement( 'rgbtohsv', mx_rgbtohsv, [ 'in' ] ),
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new MXElement( 'hsvtorgb', mx_hsvtorgb, [ 'in' ] ),
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// << Mix >>
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new MXElement( 'mix', mix, [ 'bg', 'fg', 'mix' ] ),
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// << Channel >>
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new MXElement( 'combine2', vec2, [ 'in1', 'in2' ] ),
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new MXElement( 'combine3', vec3, [ 'in1', 'in2', 'in3' ] ),
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new MXElement( 'combine4', vec4, [ 'in1', 'in2', 'in3', 'in4' ] ),
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// << Procedural >>
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new MXElement( 'ramplr', mx_ramplr, [ 'valuel', 'valuer', 'texcoord' ] ),
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new MXElement( 'ramptb', mx_ramptb, [ 'valuet', 'valueb', 'texcoord' ] ),
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new MXElement( 'splitlr', mx_splitlr, [ 'valuel', 'valuer', 'texcoord' ] ),
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new MXElement( 'splittb', mx_splittb, [ 'valuet', 'valueb', 'texcoord' ] ),
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new MXElement( 'noise2d', mx_noise_float, [ 'texcoord', 'amplitude', 'pivot' ] ),
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new MXElement( 'noise3d', mx_noise_float, [ 'texcoord', 'amplitude', 'pivot' ] ),
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new MXElement( 'fractal3d', mx_fractal_noise_float, [ 'position', 'octaves', 'lacunarity', 'diminish', 'amplitude' ] ),
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new MXElement( 'cellnoise2d', mx_cell_noise_float, [ 'texcoord' ] ),
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new MXElement( 'cellnoise3d', mx_cell_noise_float, [ 'texcoord' ] ),
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new MXElement( 'worleynoise2d', mx_worley_noise_float, [ 'texcoord', 'jitter' ] ),
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new MXElement( 'worleynoise3d', mx_worley_noise_float, [ 'texcoord', 'jitter' ] ),
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// << Supplemental >>
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//new MtlXElement( 'tiledimage', ... ),
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//new MtlXElement( 'triplanarprojection', triplanarTextures, [ 'filex', 'filey', 'filez' ] ),
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//new MtlXElement( 'ramp4', ... ),
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//new MtlXElement( 'place2d', mx_place2d, [ 'texcoord', 'pivot', 'scale', 'rotate', 'offset' ] ),
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new MXElement( 'safepower', mx_safepower, [ 'in1', 'in2' ] ),
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new MXElement( 'contrast', mx_contrast, [ 'in', 'amount', 'pivot' ] ),
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//new MtlXElement( 'hsvadjust', ... ),
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new MXElement( 'saturate', saturation, [ 'in', 'amount' ] ),
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//new MtlXElement( 'extract', ... ),
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//new MtlXElement( 'separate2', ... ),
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//new MtlXElement( 'separate3', ... ),
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//new MtlXElement( 'separate4', ... )
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];
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const MtlXLibrary = {};
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MXElements.forEach( element => MtlXLibrary[ element.name ] = element );
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class MaterialXLoader extends Loader {
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constructor( manager ) {
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super( manager );
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}
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load( url, onLoad, onProgress, onError ) {
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const _onError = function ( e ) {
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if ( onError ) {
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onError( e );
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} else {
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console.error( e );
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}
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};
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new FileLoader( this.manager )
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.setPath( this.path )
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.load( url, async ( text ) => {
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try {
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onLoad( this.parse( text ) );
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} catch ( e ) {
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_onError( e );
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}
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}, onProgress, _onError );
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return this;
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}
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parse( text ) {
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return new MaterialX( this.manager, this.path ).parse( text );
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}
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}
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class MaterialXNode {
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constructor( materialX, nodeXML, nodePath = '' ) {
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this.materialX = materialX;
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this.nodeXML = nodeXML;
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this.nodePath = nodePath ? nodePath + '/' + this.name : this.name;
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this.parent = null;
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this.node = null;
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this.children = [];
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}
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get element() {
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return this.nodeXML.nodeName;
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}
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get nodeGraph() {
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return this.getAttribute( 'nodegraph' );
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}
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get nodeName() {
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return this.getAttribute( 'nodename' );
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}
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get interfaceName() {
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return this.getAttribute( 'interfacename' );
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}
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get output() {
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return this.getAttribute( 'output' );
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}
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get name() {
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return this.getAttribute( 'name' );
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}
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get type() {
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return this.getAttribute( 'type' );
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}
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get value() {
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return this.getAttribute( 'value' );
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}
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getNodeGraph() {
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let nodeX = this;
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while ( nodeX !== null ) {
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if ( nodeX.element === 'nodegraph' ) {
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break;
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}
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nodeX = nodeX.parent;
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}
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return nodeX;
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}
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getRoot() {
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let nodeX = this;
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while ( nodeX.parent !== null ) {
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nodeX = nodeX.parent;
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}
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return nodeX;
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}
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get referencePath() {
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let referencePath = null;
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if ( this.nodeGraph !== null && this.output !== null ) {
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referencePath = this.nodeGraph + '/' + this.output;
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} else if ( this.nodeName !== null || this.interfaceName !== null ) {
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referencePath = this.getNodeGraph().nodePath + '/' + ( this.nodeName || this.interfaceName );
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}
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return referencePath;
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}
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get hasReference() {
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return this.referencePath !== null;
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}
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get isConst() {
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return this.element === 'input' && this.value !== null && this.type !== 'filename';
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}
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getColorSpaceNode() {
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const csSource = this.getAttribute( 'colorspace' );
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const csTarget = this.getRoot().getAttribute( 'colorspace' );
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const nodeName = `mx_${ csSource }_to_${ csTarget }`;
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return colorSpaceLib[ nodeName ];
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}
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getTexture() {
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const filePrefix = this.getRecursiveAttribute( 'fileprefix' ) || '';
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let loader = this.materialX.textureLoader;
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const uri = filePrefix + this.value;
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if ( uri ) {
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const handler = this.materialX.manager.getHandler( uri );
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if ( handler !== null ) loader = handler;
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}
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const texture = loader.load( uri );
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texture.wrapS = texture.wrapT = RepeatWrapping;
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texture.flipY = false;
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return texture;
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}
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getClassFromType( type ) {
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let nodeClass = null;
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if ( type === 'integer' ) nodeClass = int;
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else if ( type === 'float' ) nodeClass = float;
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else if ( type === 'vector2' ) nodeClass = vec2;
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else if ( type === 'vector3' ) nodeClass = vec3;
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else if ( type === 'vector4' || type === 'color4' ) nodeClass = vec4;
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else if ( type === 'color3' ) nodeClass = color;
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else if ( type === 'boolean' ) nodeClass = bool;
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return nodeClass;
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}
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getNode() {
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let node = this.node;
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if ( node !== null ) {
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return node;
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}
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//
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const type = this.type;
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if ( this.isConst ) {
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const nodeClass = this.getClassFromType( type );
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node = nodeClass( ...this.getVector() );
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} else if ( this.hasReference ) {
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node = this.materialX.getMaterialXNode( this.referencePath ).getNode();
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} else {
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const element = this.element;
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if ( element === 'convert' ) {
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const nodeClass = this.getClassFromType( type );
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node = nodeClass( this.getNodeByName( 'in' ) );
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} else if ( element === 'constant' ) {
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node = this.getNodeByName( 'value' );
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} else if ( element === 'position' ) {
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const space = this.getAttribute( 'space' );
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node = space === 'world' ? positionWorld : positionLocal;
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} else if ( element === 'normal' ) {
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const space = this.getAttribute( 'space' );
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node = space === 'world' ? normalWorld : normalLocal;
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} else if ( element === 'tangent' ) {
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const space = this.getAttribute( 'space' );
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node = space === 'world' ? tangentWorld : tangentLocal;
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} else if ( element === 'texcoord' ) {
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const indexNode = this.getChildByName( 'index' );
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const index = indexNode ? parseInt( indexNode.value ) : 0;
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node = uv( index );
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} else if ( element === 'geomcolor' ) {
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const indexNode = this.getChildByName( 'index' );
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const index = indexNode ? parseInt( indexNode.value ) : 0;
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node = vertexColor( index );
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} else if ( element === 'tiledimage' ) {
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const file = this.getChildByName( 'file' );
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const textureFile = file.getTexture();
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const uvTiling = mx_transform_uv( ...this.getNodesByNames( [ 'uvtiling', 'uvoffset' ] ) );
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node = texture( textureFile, uvTiling );
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const colorSpaceNode = file.getColorSpaceNode();
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if ( colorSpaceNode ) {
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node = colorSpaceNode( node );
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}
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} else if ( element === 'image' ) {
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const file = this.getChildByName( 'file' );
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const uvNode = this.getNodeByName( 'texcoord' );
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const textureFile = file.getTexture();
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node = texture( textureFile, uvNode );
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const colorSpaceNode = file.getColorSpaceNode();
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if ( colorSpaceNode ) {
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node = colorSpaceNode( node );
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}
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} else if ( MtlXLibrary[ element ] !== undefined ) {
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const nodeElement = MtlXLibrary[ element ];
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node = nodeElement.nodeFunc( ...this.getNodesByNames( ...nodeElement.params ) );
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}
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}
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//
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if ( node === null ) {
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console.warn( `THREE.MaterialXLoader: Unexpected node ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` );
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node = float( 0 );
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}
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//
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const nodeToTypeClass = this.getClassFromType( type );
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if ( nodeToTypeClass !== null ) {
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node = nodeToTypeClass( node );
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}
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node.name = this.name;
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this.node = node;
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return node;
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}
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getChildByName( name ) {
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for ( const input of this.children ) {
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if ( input.name === name ) {
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return input;
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}
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}
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}
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getNodes() {
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const nodes = {};
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for ( const input of this.children ) {
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const node = input.getNode();
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nodes[ node.name ] = node;
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}
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return nodes;
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}
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getNodeByName( name ) {
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const child = this.getChildByName( name );
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return child ? child.getNode() : undefined;
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}
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getNodesByNames( ...names ) {
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const nodes = [];
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for ( const name of names ) {
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const node = this.getNodeByName( name );
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if ( node ) nodes.push( node );
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}
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return nodes;
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}
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getValue() {
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return this.value.trim();
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}
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getVector() {
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const vector = [];
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for ( const val of this.getValue().split( /[,|\s]/ ) ) {
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if ( val !== '' ) {
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vector.push( Number( val.trim() ) );
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}
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|
|
|
}
|
|
|
|
return vector;
|
|
|
|
}
|
|
|
|
getAttribute( name ) {
|
|
|
|
return this.nodeXML.getAttribute( name );
|
|
|
|
}
|
|
|
|
getRecursiveAttribute( name ) {
|
|
|
|
let attribute = this.nodeXML.getAttribute( name );
|
|
|
|
if ( attribute === null && this.parent !== null ) {
|
|
|
|
attribute = this.parent.getRecursiveAttribute( name );
|
|
|
|
}
|
|
|
|
return attribute;
|
|
|
|
}
|
|
|
|
setStandardSurfaceToGltfPBR( material ) {
|
|
|
|
const inputs = this.getNodes();
|
|
|
|
//
|
|
|
|
let colorNode = null;
|
|
|
|
if ( inputs.base && inputs.base_color ) colorNode = mul( inputs.base, inputs.base_color );
|
|
else if ( inputs.base ) colorNode = inputs.base;
|
|
else if ( inputs.base_color ) colorNode = inputs.base_color;
|
|
|
|
//
|
|
|
|
let roughnessNode = null;
|
|
|
|
if ( inputs.specular_roughness ) roughnessNode = inputs.specular_roughness;
|
|
|
|
//
|
|
|
|
let metalnessNode = null;
|
|
|
|
if ( inputs.metalness ) metalnessNode = inputs.metalness;
|
|
|
|
//
|
|
|
|
let clearcoatNode = null;
|
|
let clearcoatRoughnessNode = null;
|
|
|
|
if ( inputs.coat ) clearcoatNode = inputs.coat;
|
|
if ( inputs.coat_roughness ) clearcoatRoughnessNode = inputs.coat_roughness;
|
|
|
|
if ( inputs.coat_color ) {
|
|
|
|
colorNode = colorNode ? mul( colorNode, inputs.coat_color ) : colorNode;
|
|
|
|
}
|
|
|
|
//
|
|
|
|
let normalNode = null;
|
|
|
|
if ( inputs.normal ) normalNode = inputs.normal;
|
|
|
|
//
|
|
|
|
let emissiveNode = null;
|
|
|
|
if ( inputs.emission ) emissiveNode = inputs.emission;
|
|
if ( inputs.emissionColor ) {
|
|
|
|
emissiveNode = emissiveNode ? mul( emissiveNode, inputs.emissionColor ) : emissiveNode;
|
|
|
|
}
|
|
|
|
//
|
|
|
|
material.colorNode = colorNode || color( 0.8, 0.8, 0.8 );
|
|
material.roughnessNode = roughnessNode || float( 0.2 );
|
|
material.metalnessNode = metalnessNode || float( 0 );
|
|
material.clearcoatNode = clearcoatNode || float( 0 );
|
|
material.clearcoatRoughnessNode = clearcoatRoughnessNode || float( 0 );
|
|
if ( normalNode ) material.normalNode = normalNode;
|
|
if ( emissiveNode ) material.emissiveNode = emissiveNode;
|
|
|
|
}
|
|
|
|
/*setGltfPBR( material ) {
|
|
|
|
const inputs = this.getNodes();
|
|
|
|
console.log( inputs );
|
|
|
|
}*/
|
|
|
|
setMaterial( material ) {
|
|
|
|
const element = this.element;
|
|
|
|
if ( element === 'gltf_pbr' ) {
|
|
|
|
//this.setGltfPBR( material );
|
|
|
|
} else if ( element === 'standard_surface' ) {
|
|
|
|
this.setStandardSurfaceToGltfPBR( material );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
toBasicMaterial() {
|
|
|
|
const material = new MeshBasicNodeMaterial();
|
|
material.name = this.name;
|
|
|
|
for ( const nodeX of this.children.toReversed() ) {
|
|
|
|
if ( nodeX.name === 'out' ) {
|
|
|
|
material.colorNode = nodeX.getNode();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return material;
|
|
|
|
}
|
|
|
|
toPhysicalMaterial() {
|
|
|
|
const material = new MeshPhysicalNodeMaterial();
|
|
material.name = this.name;
|
|
|
|
for ( const nodeX of this.children ) {
|
|
|
|
const shaderProperties = this.materialX.getMaterialXNode( nodeX.nodeName );
|
|
shaderProperties.setMaterial( material );
|
|
|
|
}
|
|
|
|
return material;
|
|
|
|
}
|
|
|
|
toMaterials() {
|
|
|
|
const materials = {};
|
|
|
|
let isUnlit = true;
|
|
|
|
for ( const nodeX of this.children ) {
|
|
|
|
if ( nodeX.element === 'surfacematerial' ) {
|
|
|
|
const material = nodeX.toPhysicalMaterial();
|
|
|
|
materials[ material.name ] = material;
|
|
|
|
isUnlit = false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( isUnlit ) {
|
|
|
|
for ( const nodeX of this.children ) {
|
|
|
|
if ( nodeX.element === 'nodegraph' ) {
|
|
|
|
const material = nodeX.toBasicMaterial();
|
|
|
|
materials[ material.name ] = material;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return materials;
|
|
|
|
}
|
|
|
|
add( materialXNode ) {
|
|
|
|
materialXNode.parent = this;
|
|
|
|
this.children.push( materialXNode );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
class MaterialX {
|
|
|
|
constructor( manager, path ) {
|
|
|
|
this.manager = manager;
|
|
this.path = path;
|
|
this.resourcePath = '';
|
|
|
|
this.nodesXLib = new Map();
|
|
//this.nodesXRefLib = new WeakMap();
|
|
|
|
this.textureLoader = new TextureLoader( manager );
|
|
|
|
}
|
|
|
|
addMaterialXNode( materialXNode ) {
|
|
|
|
this.nodesXLib.set( materialXNode.nodePath, materialXNode );
|
|
|
|
}
|
|
|
|
/*getMaterialXNodeFromXML( xmlNode ) {
|
|
|
|
return this.nodesXRefLib.get( xmlNode );
|
|
|
|
}*/
|
|
|
|
getMaterialXNode( ...names ) {
|
|
|
|
return this.nodesXLib.get( names.join( '/' ) );
|
|
|
|
}
|
|
|
|
parseNode( nodeXML, nodePath = '' ) {
|
|
|
|
const materialXNode = new MaterialXNode( this, nodeXML, nodePath );
|
|
if ( materialXNode.nodePath ) this.addMaterialXNode( materialXNode );
|
|
|
|
for ( const childNodeXML of nodeXML.children ) {
|
|
|
|
const childMXNode = this.parseNode( childNodeXML, materialXNode.nodePath );
|
|
materialXNode.add( childMXNode );
|
|
|
|
}
|
|
|
|
return materialXNode;
|
|
|
|
}
|
|
|
|
parse( text ) {
|
|
|
|
const rootXML = new DOMParser().parseFromString( text, 'application/xml' ).documentElement;
|
|
|
|
this.textureLoader.setPath( this.path );
|
|
|
|
//
|
|
|
|
const materials = this.parseNode( rootXML ).toMaterials();
|
|
|
|
return { materials };
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export { MaterialXLoader };
|