super-three
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JavaScript 3D library
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JavaScript
import {
FileLoader, Loader, TextureLoader, RepeatWrapping, MeshBasicNodeMaterial,
MeshPhysicalNodeMaterial, DoubleSide,
} from 'three/webgpu';
import {
float, bool, int, vec2, vec3, vec4, color, texture,
positionLocal, positionWorld, uv, vertexColor,
normalLocal, normalWorld, tangentLocal, tangentWorld,
mul, abs, sign, floor, ceil, round, sin, cos, tan,
asin, acos, sqrt, exp, clamp, min, max, normalize, length, dot, cross, normalMap,
remap, smoothstep, luminance, mx_rgbtohsv, mx_hsvtorgb,
mix, saturation, transpose, determinant, inverse, log, reflect, refract, element,
mx_ramplr, mx_ramptb, mx_splitlr, mx_splittb,
mx_fractal_noise_float, mx_noise_float, mx_cell_noise_float, mx_worley_noise_float,
mx_transform_uv,
mx_safepower, mx_contrast,
mx_srgb_texture_to_lin_rec709,
mx_add, mx_atan2, mx_divide, mx_modulo, mx_multiply, mx_power, mx_subtract,
mx_timer, mx_frame, mat3, mx_ramp4,
mx_invert, mx_ifgreater, mx_ifgreatereq, mx_ifequal, distance,
mx_separate, mx_place2d, mx_rotate2d, mx_rotate3d, mx_heighttonormal,
mx_unifiednoise2d, mx_unifiednoise3d
} from 'three/tsl';
const colorSpaceLib = {
mx_srgb_texture_to_lin_rec709
};
class MXElement {
constructor( name, nodeFunc, params = [] ) {
this.name = name;
this.nodeFunc = nodeFunc;
this.params = params;
}
}
// Ref: https://github.com/mrdoob/three.js/issues/24674
// Enhanced separate node to support multi-output referencing (outx, outy, outz, outw)
// Type/arity-aware MaterialX node wrappers
const MXElements = [
// << Math >>
new MXElement( 'add', mx_add, [ 'in1', 'in2' ] ),
new MXElement( 'subtract', mx_subtract, [ 'in1', 'in2' ] ),
new MXElement( 'multiply', mx_multiply, [ 'in1', 'in2' ] ),
new MXElement( 'divide', mx_divide, [ 'in1', 'in2' ] ),
new MXElement( 'modulo', mx_modulo, [ 'in1', 'in2' ] ),
new MXElement( 'absval', abs, [ 'in1', 'in2' ] ),
new MXElement( 'sign', sign, [ 'in1', 'in2' ] ),
new MXElement( 'floor', floor, [ 'in1', 'in2' ] ),
new MXElement( 'ceil', ceil, [ 'in1', 'in2' ] ),
new MXElement( 'round', round, [ 'in1', 'in2' ] ),
new MXElement( 'power', mx_power, [ 'in1', 'in2' ] ),
new MXElement( 'sin', sin, [ 'in' ] ),
new MXElement( 'cos', cos, [ 'in' ] ),
new MXElement( 'tan', tan, [ 'in' ] ),
new MXElement( 'asin', asin, [ 'in' ] ),
new MXElement( 'acos', acos, [ 'in' ] ),
new MXElement( 'atan2', mx_atan2, [ 'in1', 'in2' ] ),
new MXElement( 'sqrt', sqrt, [ 'in' ] ),
new MXElement( 'ln', log, [ 'in' ] ),
new MXElement( 'exp', exp, [ 'in' ] ),
new MXElement( 'clamp', clamp, [ 'in', 'low', 'high' ] ),
new MXElement( 'min', min, [ 'in1', 'in2' ] ),
new MXElement( 'max', max, [ 'in1', 'in2' ] ),
new MXElement( 'normalize', normalize, [ 'in' ] ),
new MXElement( 'magnitude', length, [ 'in1', 'in2' ] ),
new MXElement( 'dotproduct', dot, [ 'in1', 'in2' ] ),
new MXElement( 'crossproduct', cross, [ 'in' ] ),
new MXElement( 'distance', distance, [ 'in1', 'in2' ] ),
new MXElement( 'invert', mx_invert, [ 'in', 'amount' ] ),
//new MtlXElement( 'transformpoint', ... ),
//new MtlXElement( 'transformvector', ... ),
//new MtlXElement( 'transformnormal', ... ),
new MXElement( 'transformmatrix', mul, [ 'in1', 'in2' ] ),
new MXElement( 'normalmap', normalMap, [ 'in', 'scale' ] ),
new MXElement( 'transpose', transpose, [ 'in' ] ),
new MXElement( 'determinant', determinant, [ 'in' ] ),
new MXElement( 'invertmatrix', inverse, [ 'in' ] ),
new MXElement( 'creatematrix', mat3, [ 'in1', 'in2', 'in3' ] ),
//new MtlXElement( 'rotate2d', rotateUV, [ 'in', radians( 'amount' )** ] ),
//new MtlXElement( 'rotate3d', ... ),
//new MtlXElement( 'arrayappend', ... ),
//new MtlXElement( 'dot', ... ),
new MXElement( 'length', length, [ 'in' ] ),
new MXElement( 'crossproduct', cross, [ 'in1', 'in2' ] ),
new MXElement( 'floor', floor, [ 'in' ] ),
new MXElement( 'ceil', ceil, [ 'in' ] ),
// << Adjustment >>
new MXElement( 'remap', remap, [ 'in', 'inlow', 'inhigh', 'outlow', 'outhigh' ] ),
new MXElement( 'smoothstep', smoothstep, [ 'in', 'low', 'high' ] ),
//new MtlXElement( 'curveadjust', ... ),
//new MtlXElement( 'curvelookup', ... ),
new MXElement( 'luminance', luminance, [ 'in', 'lumacoeffs' ] ),
new MXElement( 'rgbtohsv', mx_rgbtohsv, [ 'in' ] ),
new MXElement( 'hsvtorgb', mx_hsvtorgb, [ 'in' ] ),
// << Mix >>
new MXElement( 'mix', mix, [ 'bg', 'fg', 'mix' ] ),
// << Channel >>
new MXElement( 'combine2', vec2, [ 'in1', 'in2' ] ),
new MXElement( 'combine3', vec3, [ 'in1', 'in2', 'in3' ] ),
new MXElement( 'combine4', vec4, [ 'in1', 'in2', 'in3', 'in4' ] ),
// << Procedural >>
new MXElement( 'ramplr', mx_ramplr, [ 'valuel', 'valuer', 'texcoord' ] ),
new MXElement( 'ramptb', mx_ramptb, [ 'valuet', 'valueb', 'texcoord' ] ),
new MXElement( 'ramp4', mx_ramp4, [ 'valuetl', 'valuetr', 'valuebl', 'valuebr', 'texcoord' ] ),
new MXElement( 'splitlr', mx_splitlr, [ 'valuel', 'valuer', 'texcoord' ] ),
new MXElement( 'splittb', mx_splittb, [ 'valuet', 'valueb', 'texcoord' ] ),
new MXElement( 'noise2d', mx_noise_float, [ 'texcoord', 'amplitude', 'pivot' ] ),
new MXElement( 'noise3d', mx_noise_float, [ 'texcoord', 'amplitude', 'pivot' ] ),
new MXElement( 'fractal3d', mx_fractal_noise_float, [ 'position', 'octaves', 'lacunarity', 'diminish', 'amplitude' ] ),
new MXElement( 'cellnoise2d', mx_cell_noise_float, [ 'texcoord' ] ),
new MXElement( 'cellnoise3d', mx_cell_noise_float, [ 'texcoord' ] ),
new MXElement( 'worleynoise2d', mx_worley_noise_float, [ 'texcoord', 'jitter' ] ),
new MXElement( 'worleynoise3d', mx_worley_noise_float, [ 'texcoord', 'jitter' ] ),
new MXElement( 'unifiednoise2d', mx_unifiednoise2d, [ 'type', 'texcoord', 'freq', 'offset', 'jitter', 'outmin', 'outmax', 'clampoutput', 'octaves', 'lacunarity', 'diminish' ] ),
new MXElement( 'unifiednoise3d', mx_unifiednoise3d, [ 'type', 'texcoord', 'freq', 'offset', 'jitter', 'outmin', 'outmax', 'clampoutput', 'octaves', 'lacunarity', 'diminish' ] ),
// << Supplemental >>
//new MtlXElement( 'tiledimage', ... ),
//new MtlXElement( 'triplanarprojection', triplanarTextures, [ 'filex', 'filey', 'filez' ] ),
//new MtlXElement( 'ramp4', ... ),
new MXElement( 'place2d', mx_place2d, [ 'texcoord', 'pivot', 'scale', 'rotate', 'offset', 'operationorder' ] ),
new MXElement( 'safepower', mx_safepower, [ 'in1', 'in2' ] ),
new MXElement( 'contrast', mx_contrast, [ 'in', 'amount', 'pivot' ] ),
//new MtlXElement( 'hsvadjust', ... ),
new MXElement( 'saturate', saturation, [ 'in', 'amount' ] ),
new MXElement( 'extract', element, [ 'in', 'index' ] ),
new MXElement( 'separate2', mx_separate, [ 'in' ] ),
new MXElement( 'separate3', mx_separate, [ 'in' ] ),
new MXElement( 'separate4', mx_separate, [ 'in' ] ),
new MXElement( 'reflect', reflect, [ 'in', 'normal' ] ),
new MXElement( 'refract', refract, [ 'in', 'normal', 'ior' ] ),
new MXElement( 'time', mx_timer ),
new MXElement( 'frame', mx_frame ),
new MXElement( 'ifgreater', mx_ifgreater, [ 'value1', 'value2', 'in1', 'in2' ] ),
new MXElement( 'ifgreatereq', mx_ifgreatereq, [ 'value1', 'value2', 'in1', 'in2' ] ),
new MXElement( 'ifequal', mx_ifequal, [ 'value1', 'value2', 'in1', 'in2' ] ),
// Placeholder implementations for unsupported nodes
new MXElement( 'rotate2d', mx_rotate2d, [ 'in', 'amount' ] ),
new MXElement( 'rotate3d', mx_rotate3d, [ 'in', 'amount', 'axis' ] ),
new MXElement( 'heighttonormal', mx_heighttonormal, [ 'in', 'scale', 'texcoord' ] ),
];
const MtlXLibrary = {};
MXElements.forEach( element => MtlXLibrary[ element.name ] = element );
/**
* A loader for the MaterialX format.
*
* The node materials loaded with this loader can only be used with {@link WebGPURenderer}.
*
* ```js
* const loader = new MaterialXLoader().setPath( SAMPLE_PATH );
* const materials = await loader.loadAsync( 'standard_surface_brass_tiled.mtlx' );
* ```
*
* @augments Loader
* @three_import import { MaterialXLoader } from 'three/addons/loaders/MaterialXLoader.js';
*/
class MaterialXLoader extends Loader {
/**
* Constructs a new MaterialX loader.
*
* @param {LoadingManager} [manager] - The loading manager.
*/
constructor( manager ) {
super( manager );
}
/**
* Starts loading from the given URL and passes the loaded MaterialX asset
* to the `onLoad()` callback.
*
* @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.
* @param {function(Object<string,NodeMaterial>)} onLoad - Executed when the loading process has been finished.
* @param {onProgressCallback} onProgress - Executed while the loading is in progress.
* @param {onErrorCallback} onError - Executed when errors occur.
* @return {MaterialXLoader} A reference to this loader.
*/
load( url, onLoad, onProgress, onError ) {
const _onError = function ( e ) {
if ( onError ) {
onError( e );
} else {
console.error( e );
}
};
new FileLoader( this.manager )
.setPath( this.path )
.load( url, async ( text ) => {
try {
onLoad( this.parse( text ) );
} catch ( e ) {
_onError( e );
}
}, onProgress, _onError );
return this;
}
/**
* Parses the given MaterialX data and returns the resulting materials.
*
* Supported standard_surface inputs:
* - base, base_color: Base color/albedo
* - opacity: Alpha/transparency
* - specular_roughness: Surface roughness
* - metalness: Metallic property
* - specular: Specular reflection intensity
* - specular_color: Specular reflection color
* - ior: Index of refraction
* - specular_anisotropy, specular_rotation: Anisotropic reflection
* - transmission, transmission_color: Transmission properties
* - thin_film_thickness, thin_film_ior: Thin film interference
* - sheen, sheen_color, sheen_roughness: Sheen properties
* - normal: Normal map
* - coat, coat_roughness, coat_color: Clearcoat properties
* - emission, emissionColor: Emission properties
*
* @param {string} text - The raw MaterialX data as a string.
* @return {Object<string,NodeMaterial>} A dictionary holding the parse node materials.
*/
parse( text ) {
return new MaterialX( this.manager, this.path ).parse( text );
}
}
class MaterialXNode {
constructor( materialX, nodeXML, nodePath = '' ) {
if ( ! materialX || typeof materialX !== 'object' ) {
console.warn( 'MaterialXNode: materialX argument is not an object!', { materialX, nodeXML, nodePath } );
}
this.materialX = materialX;
this.nodeXML = nodeXML;
this.nodePath = nodePath ? nodePath + '/' + this.name : this.name;
this.parent = null;
this.node = null;
this.children = [];
}
get element() {
return this.nodeXML.nodeName;
}
get nodeGraph() {
return this.getAttribute( 'nodegraph' );
}
get nodeName() {
return this.getAttribute( 'nodename' );
}
get interfaceName() {
return this.getAttribute( 'interfacename' );
}
get output() {
return this.getAttribute( 'output' );
}
get name() {
return this.getAttribute( 'name' );
}
get type() {
return this.getAttribute( 'type' );
}
get value() {
return this.getAttribute( 'value' );
}
getNodeGraph() {
let nodeX = this;
while ( nodeX !== null ) {
if ( nodeX.element === 'nodegraph' ) {
break;
}
nodeX = nodeX.parent;
}
return nodeX;
}
getRoot() {
let nodeX = this;
while ( nodeX.parent !== null ) {
nodeX = nodeX.parent;
}
return nodeX;
}
get referencePath() {
let referencePath = null;
if ( this.nodeGraph !== null && this.output !== null ) {
referencePath = this.nodeGraph + '/' + this.output;
} else if ( this.nodeName !== null || this.interfaceName !== null ) {
referencePath = this.getNodeGraph().nodePath + '/' + ( this.nodeName || this.interfaceName );
}
return referencePath;
}
get hasReference() {
return this.referencePath !== null;
}
get isConst() {
return this.element === 'input' && this.value !== null && this.type !== 'filename';
}
getColorSpaceNode() {
const csSource = this.getAttribute( 'colorspace' );
const csTarget = this.getRoot().getAttribute( 'colorspace' );
const nodeName = `mx_${ csSource }_to_${ csTarget }`;
return colorSpaceLib[ nodeName ];
}
getTexture() {
const filePrefix = this.getRecursiveAttribute( 'fileprefix' ) || '';
let loader = this.materialX.textureLoader;
const uri = filePrefix + this.value;
if ( uri ) {
const handler = this.materialX.manager.getHandler( uri );
if ( handler !== null ) loader = handler;
}
const texture = loader.load( uri );
texture.wrapS = texture.wrapT = RepeatWrapping;
texture.flipY = false;
return texture;
}
getClassFromType( type ) {
let nodeClass = null;
if ( type === 'integer' ) nodeClass = int;
else if ( type === 'float' ) nodeClass = float;
else if ( type === 'vector2' ) nodeClass = vec2;
else if ( type === 'vector3' ) nodeClass = vec3;
else if ( type === 'vector4' || type === 'color4' ) nodeClass = vec4;
else if ( type === 'color3' ) nodeClass = color;
else if ( type === 'boolean' ) nodeClass = bool;
return nodeClass;
}
getNode( out = null ) {
let node = this.node;
if ( node !== null && out === null ) {
return node;
}
// Handle <input name="texcoord" type="vector2" ... />
if (
this.element === 'input' &&
this.name === 'texcoord' &&
this.type === 'vector2'
) {
// Try to get index from defaultgeomprop (e.g., "UV0" => 0)
let index = 0;
const defaultGeomProp = this.getAttribute( 'defaultgeomprop' );
if ( defaultGeomProp && /^UV(\d+)$/.test( defaultGeomProp ) ) {
index = parseInt( defaultGeomProp.match( /^UV(\d+)$/ )[ 1 ], 10 );
}
node = uv( index );
}
// Multi-output support for separate/separate3
if (
( this.element === 'separate3' || this.element === 'separate2' || this.element === 'separate4' ) &&
out && typeof out === 'string' && out.startsWith( 'out' )
) {
const inNode = this.getNodeByName( 'in' );
return mx_separate( inNode, out );
}
//
const type = this.type;
if ( this.isConst ) {
const nodeClass = this.getClassFromType( type );
node = nodeClass( ...this.getVector() );
} else if ( this.hasReference ) {
if ( this.element === 'output' && this.output && out === null ) {
out = this.output;
}
node = this.materialX.getMaterialXNode( this.referencePath ).getNode( out );
} else {
const element = this.element;
if ( element === 'convert' ) {
const nodeClass = this.getClassFromType( type );
node = nodeClass( this.getNodeByName( 'in' ) );
} else if ( element === 'constant' ) {
node = this.getNodeByName( 'value' );
} else if ( element === 'position' ) {
const space = this.getAttribute( 'space' );
node = space === 'world' ? positionWorld : positionLocal;
} else if ( element === 'normal' ) {
const space = this.getAttribute( 'space' );
node = space === 'world' ? normalWorld : normalLocal;
} else if ( element === 'tangent' ) {
const space = this.getAttribute( 'space' );
node = space === 'world' ? tangentWorld : tangentLocal;
} else if ( element === 'texcoord' ) {
const indexNode = this.getChildByName( 'index' );
const index = indexNode ? parseInt( indexNode.value ) : 0;
node = uv( index );
} else if ( element === 'geomcolor' ) {
const indexNode = this.getChildByName( 'index' );
const index = indexNode ? parseInt( indexNode.value ) : 0;
node = vertexColor( index );
} else if ( element === 'tiledimage' ) {
const file = this.getChildByName( 'file' );
const textureFile = file.getTexture();
const uvTiling = mx_transform_uv( ...this.getNodesByNames( [ 'uvtiling', 'uvoffset' ] ) );
node = texture( textureFile, uvTiling );
const colorSpaceNode = file.getColorSpaceNode();
if ( colorSpaceNode ) {
node = colorSpaceNode( node );
}
} else if ( element === 'image' ) {
const file = this.getChildByName( 'file' );
const uvNode = this.getNodeByName( 'texcoord' );
const textureFile = file.getTexture();
node = texture( textureFile, uvNode );
const colorSpaceNode = file.getColorSpaceNode();
if ( colorSpaceNode ) {
node = colorSpaceNode( node );
}
} else if ( MtlXLibrary[ element ] !== undefined ) {
const nodeElement = MtlXLibrary[ element ];
if ( ! nodeElement ) {
throw new Error( `THREE.MaterialXLoader: Unexpected node ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` );
}
if ( ! nodeElement.nodeFunc ) {
throw new Error( `THREE.MaterialXLoader: Unexpected node 2 ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` );
}
if ( out !== null ) {
node = nodeElement.nodeFunc( ...this.getNodesByNames( ...nodeElement.params ), out );
} else {
node = nodeElement.nodeFunc( ...this.getNodesByNames( ...nodeElement.params ) );
}
}
}
//
if ( node === null ) {
console.warn( `THREE.MaterialXLoader: Unexpected node ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` );
node = float( 0 );
}
//
const nodeToTypeClass = this.getClassFromType( type );
if ( nodeToTypeClass !== null ) {
node = nodeToTypeClass( node );
} else {
console.warn( `THREE.MaterialXLoader: Unexpected node ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` );
node = float( 0 );
}
node.name = this.name;
this.node = node;
return node;
}
getChildByName( name ) {
for ( const input of this.children ) {
if ( input.name === name ) {
return input;
}
}
}
getNodes() {
const nodes = {};
for ( const input of this.children ) {
const node = input.getNode();
nodes[ node.name ] = node;
}
return nodes;
}
getNodeByName( name ) {
const child = this.getChildByName( name );
return child ? child.getNode( child.output ) : undefined;
}
getNodesByNames( ...names ) {
const nodes = [];
for ( const name of names ) {
const node = this.getNodeByName( name );
if ( node ) nodes.push( node );
}
return nodes;
}
getValue() {
return this.value.trim();
}
getVector() {
const vector = [];
for ( const val of this.getValue().split( /[,|\s]/ ) ) {
if ( val !== '' ) {
vector.push( Number( val.trim() ) );
}
}
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 opacityNode = null;
if ( inputs.opacity ) opacityNode = inputs.opacity;
//
let roughnessNode = null;
if ( inputs.specular_roughness ) roughnessNode = inputs.specular_roughness;
//
let metalnessNode = null;
if ( inputs.metalness ) metalnessNode = inputs.metalness;
//
let specularIntensityNode = null;
if ( inputs.specular ) specularIntensityNode = inputs.specular;
//
let specularColorNode = null;
if ( inputs.specular_color ) specularColorNode = inputs.specular_color;
//
let iorNode = null;
if ( inputs.ior ) iorNode = inputs.ior;
//
let anisotropyNode = null;
let anisotropyRotationNode = null;
if ( inputs.specular_anisotropy ) anisotropyNode = inputs.specular_anisotropy;
if ( inputs.specular_rotation ) anisotropyRotationNode = inputs.specular_rotation;
//
let transmissionNode = null;
let transmissionColorNode = null;
if ( inputs.transmission ) transmissionNode = inputs.transmission;
if ( inputs.transmission_color ) transmissionColorNode = inputs.transmission_color;
//
let thinFilmThicknessNode = null;
let thinFilmIorNode = null;
if ( inputs.thin_film_thickness ) thinFilmThicknessNode = inputs.thin_film_thickness;
if ( inputs.thin_film_ior ) {
// Clamp IOR to valid range for Three.js (1.0 to 2.333)
thinFilmIorNode = clamp( inputs.thin_film_ior, float( 1.0 ), float( 2.333 ) );
}
//
let sheenNode = null;
let sheenColorNode = null;
let sheenRoughnessNode = null;
if ( inputs.sheen ) sheenNode = inputs.sheen;
if ( inputs.sheen_color ) sheenColorNode = inputs.sheen_color;
if ( inputs.sheen_roughness ) sheenRoughnessNode = inputs.sheen_roughness;
//
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.opacityNode = opacityNode || float( 1.0 );
material.roughnessNode = roughnessNode || float( 0.2 );
material.metalnessNode = metalnessNode || float( 0 );
material.specularIntensityNode = specularIntensityNode || float( 0.5 );
material.specularColorNode = specularColorNode || color( 1.0, 1.0, 1.0 );
material.iorNode = iorNode || float( 1.5 );
material.anisotropyNode = anisotropyNode || float( 0 );
material.anisotropyRotationNode = anisotropyRotationNode || float( 0 );
material.transmissionNode = transmissionNode || float( 0 );
material.transmissionColorNode = transmissionColorNode || color( 1.0, 1.0, 1.0 );
material.thinFilmThicknessNode = thinFilmThicknessNode || float( 0 );
material.thinFilmIorNode = thinFilmIorNode || float( 1.5 );
material.sheenNode = sheenNode || float( 0 );
material.sheenColorNode = sheenColorNode || color( 1.0, 1.0, 1.0 );
material.sheenRoughnessNode = sheenRoughnessNode || float( 0.5 );
material.clearcoatNode = clearcoatNode || float( 0 );
material.clearcoatRoughnessNode = clearcoatRoughnessNode || float( 0 );
if ( normalNode ) material.normalNode = normalNode;
if ( emissiveNode ) material.emissiveNode = emissiveNode;
// Auto-enable iridescence when thin film parameters are present
if ( thinFilmThicknessNode && thinFilmThicknessNode.value !== undefined && thinFilmThicknessNode.value > 0 ) {
material.iridescence = 1.0;
}
if ( opacityNode !== null ) {
material.transparent = true;
}
if ( transmissionNode !== null ) {
material.side = DoubleSide;
material.transparent = true;
}
}
/*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 };