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A JS/WebGL framework for 3D geospatial data visualization
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JavaScript
"use strict";
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
var THREE = _interopRequireWildcard(require("three"));
var _DDSLoader = _interopRequireDefault(require("./DDSLoader"));
// This file has been added and patched after installing the NPM modules (via NPM script 'prepare')
var threeExamples = {};
/**
* @author Rich Tibbett / https://github.com/richtr
* @author mrdoob / http://mrdoob.com/
* @author Tony Parisi / http://www.tonyparisi.com/
* @author Takahiro / https://github.com/takahirox
* @author Don McCurdy / https://www.donmccurdy.com
*/
threeExamples.GLTFLoader = function () {
function GLTFLoader(manager) {
THREE.Loader.call(this, manager);
this.dracoLoader = null;
this.ddsLoader = null;
}
GLTFLoader.prototype = Object.assign(Object.create(THREE.Loader.prototype), {
constructor: GLTFLoader,
load: function load(url, onLoad, onProgress, onError) {
var scope = this;
var resourcePath;
if (this.resourcePath !== '') {
resourcePath = this.resourcePath;
} else if (this.path !== '') {
resourcePath = this.path;
} else {
resourcePath = THREE.LoaderUtils.extractUrlBase(url);
} // Tells the LoadingManager to track an extra item, which resolves after
// the model is fully loaded. This means the count of items loaded will
// be incorrect, but ensures manager.onLoad() does not fire early.
scope.manager.itemStart(url);
var _onError = function (e) {
if (onError) {
onError(e);
} else {
console.error(e);
}
scope.manager.itemError(url);
scope.manager.itemEnd(url);
};
var loader = new THREE.FileLoader(scope.manager);
loader.setPath(this.path);
loader.setResponseType('arraybuffer');
if (scope.crossOrigin === 'use-credentials') {
loader.setWithCredentials(true);
}
loader.load(url, function (data) {
try {
scope.parse(data, resourcePath, function (gltf) {
onLoad(gltf);
scope.manager.itemEnd(url);
}, _onError);
} catch (e) {
_onError(e);
}
}, onProgress, _onError);
},
setDRACOLoader: function setDRACOLoader(dracoLoader) {
this.dracoLoader = dracoLoader;
return this;
},
setDDSLoader: function setDDSLoader(ddsLoader) {
this.ddsLoader = ddsLoader;
return this;
},
parse: function parse(data, path, onLoad, onError) {
var content;
var extensions = {};
if (typeof data === 'string') {
content = data;
} else {
var magic = THREE.LoaderUtils.decodeText(new Uint8Array(data, 0, 4));
if (magic === BINARY_EXTENSION_HEADER_MAGIC) {
try {
extensions[EXTENSIONS.KHR_BINARY_GLTF] = new GLTFBinaryExtension(data);
} catch (error) {
if (onError) onError(error);
return;
}
content = extensions[EXTENSIONS.KHR_BINARY_GLTF].content;
} else {
content = THREE.LoaderUtils.decodeText(new Uint8Array(data));
}
}
var json = JSON.parse(content);
if (json.asset === undefined || json.asset.version[0] < 2) {
if (onError) onError(new Error('threeExamples.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported. Use LegacyGLTFLoader instead.'));
return;
}
if (json.extensionsUsed) {
for (var i = 0; i < json.extensionsUsed.length; ++i) {
var extensionName = json.extensionsUsed[i];
var extensionsRequired = json.extensionsRequired || [];
switch (extensionName) {
case EXTENSIONS.KHR_LIGHTS_PUNCTUAL:
extensions[extensionName] = new GLTFLightsExtension(json);
break;
case EXTENSIONS.KHR_MATERIALS_UNLIT:
extensions[extensionName] = new GLTFMaterialsUnlitExtension();
break;
case EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:
extensions[extensionName] = new GLTFMaterialsPbrSpecularGlossinessExtension();
break;
case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:
extensions[extensionName] = new GLTFDracoMeshCompressionExtension(json, this.dracoLoader);
break;
case EXTENSIONS.MSFT_TEXTURE_DDS:
extensions[EXTENSIONS.MSFT_TEXTURE_DDS] = new GLTFTextureDDSExtension(this.ddsLoader);
break;
case EXTENSIONS.KHR_TEXTURE_TRANSFORM:
extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM] = new GLTFTextureTransformExtension();
break;
default:
if (extensionsRequired.indexOf(extensionName) >= 0) {
console.warn('threeExamples.GLTFLoader: Unknown extension "' + extensionName + '".');
}
}
}
}
var parser = new GLTFParser(json, extensions, {
path: path || this.resourcePath || '',
crossOrigin: this.crossOrigin,
manager: this.manager
});
parser.parse(onLoad, onError);
}
});
/* GLTFREGISTRY */
function GLTFRegistry() {
var objects = {};
return {
get: function get(key) {
return objects[key];
},
add: function add(key, object) {
objects[key] = object;
},
remove: function remove(key) {
delete objects[key];
},
removeAll: function removeAll() {
objects = {};
}
};
}
/*********************************/
/********** EXTENSIONS ***********/
/*********************************/
var EXTENSIONS = {
KHR_BINARY_GLTF: 'KHR_binary_glTF',
KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',
KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',
KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',
MSFT_TEXTURE_DDS: 'MSFT_texture_dds'
};
/**
* DDS Texture Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/MSFT_texture_dds
*
*/
function GLTFTextureDDSExtension(ddsLoader) {
if (!ddsLoader) {
throw new Error('threeExamples.GLTFLoader: Attempting to load .dds texture without importing DDSLoader');
}
this.name = EXTENSIONS.MSFT_TEXTURE_DDS;
this.ddsLoader = ddsLoader;
}
/**
* Punctual Lights Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual
*/
function GLTFLightsExtension(json) {
this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL;
var extension = json.extensions && json.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL] || {};
this.lightDefs = extension.lights || [];
}
GLTFLightsExtension.prototype.loadLight = function (lightIndex) {
var lightDef = this.lightDefs[lightIndex];
var lightNode;
var color = new THREE.Color(0xffffff);
if (lightDef.color !== undefined) color.fromArray(lightDef.color);
var range = lightDef.range !== undefined ? lightDef.range : 0;
switch (lightDef.type) {
case 'directional':
lightNode = new THREE.DirectionalLight(color);
lightNode.target.position.set(0, 0, -1);
lightNode.add(lightNode.target);
break;
case 'point':
lightNode = new THREE.PointLight(color);
lightNode.distance = range;
break;
case 'spot':
lightNode = new THREE.SpotLight(color);
lightNode.distance = range; // Handle spotlight properties.
lightDef.spot = lightDef.spot || {};
lightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;
lightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;
lightNode.angle = lightDef.spot.outerConeAngle;
lightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;
lightNode.target.position.set(0, 0, -1);
lightNode.add(lightNode.target);
break;
default:
throw new Error('threeExamples.GLTFLoader: Unexpected light type, "' + lightDef.type + '".');
} // Some lights (e.g. spot) default to a position other than the origin. Reset the position
// here, because node-level parsing will only override position if explicitly specified.
lightNode.position.set(0, 0, 0);
lightNode.decay = 2;
if (lightDef.intensity !== undefined) lightNode.intensity = lightDef.intensity;
lightNode.name = lightDef.name || 'light_' + lightIndex;
return Promise.resolve(lightNode);
};
/**
* Unlit Materials Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit
*/
function GLTFMaterialsUnlitExtension() {
this.name = EXTENSIONS.KHR_MATERIALS_UNLIT;
}
GLTFMaterialsUnlitExtension.prototype.getMaterialType = function () {
return THREE.MeshBasicMaterial;
};
GLTFMaterialsUnlitExtension.prototype.extendParams = function (materialParams, materialDef, parser) {
var pending = [];
materialParams.color = new THREE.Color(1.0, 1.0, 1.0);
materialParams.opacity = 1.0;
var metallicRoughness = materialDef.pbrMetallicRoughness;
if (metallicRoughness) {
if (Array.isArray(metallicRoughness.baseColorFactor)) {
var array = metallicRoughness.baseColorFactor;
materialParams.color.fromArray(array);
materialParams.opacity = array[3];
}
if (metallicRoughness.baseColorTexture !== undefined) {
pending.push(parser.assignTexture(materialParams, 'map', metallicRoughness.baseColorTexture));
}
}
return Promise.all(pending);
};
/* BINARY EXTENSION */
var BINARY_EXTENSION_HEADER_MAGIC = 'glTF';
var BINARY_EXTENSION_HEADER_LENGTH = 12;
var BINARY_EXTENSION_CHUNK_TYPES = {
JSON: 0x4E4F534A,
BIN: 0x004E4942
};
function GLTFBinaryExtension(data) {
this.name = EXTENSIONS.KHR_BINARY_GLTF;
this.content = null;
this.body = null;
var headerView = new DataView(data, 0, BINARY_EXTENSION_HEADER_LENGTH);
this.header = {
magic: THREE.LoaderUtils.decodeText(new Uint8Array(data.slice(0, 4))),
version: headerView.getUint32(4, true),
length: headerView.getUint32(8, true)
};
if (this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC) {
throw new Error('threeExamples.GLTFLoader: Unsupported glTF-Binary header.');
} else if (this.header.version < 2.0) {
throw new Error('threeExamples.GLTFLoader: Legacy binary file detected. Use LegacyGLTFLoader instead.');
}
var chunkView = new DataView(data, BINARY_EXTENSION_HEADER_LENGTH);
var chunkIndex = 0;
while (chunkIndex < chunkView.byteLength) {
var chunkLength = chunkView.getUint32(chunkIndex, true);
chunkIndex += 4;
var chunkType = chunkView.getUint32(chunkIndex, true);
chunkIndex += 4;
if (chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON) {
var contentArray = new Uint8Array(data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength);
this.content = THREE.LoaderUtils.decodeText(contentArray);
} else if (chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN) {
var byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;
this.body = data.slice(byteOffset, byteOffset + chunkLength);
} // Clients must ignore chunks with unknown types.
chunkIndex += chunkLength;
}
if (this.content === null) {
throw new Error('threeExamples.GLTFLoader: JSON content not found.');
}
}
/**
* DRACO Mesh Compression Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression
*/
function GLTFDracoMeshCompressionExtension(json, dracoLoader) {
if (!dracoLoader) {
throw new Error('threeExamples.GLTFLoader: No DRACOLoader instance provided.');
}
this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
this.json = json;
this.dracoLoader = dracoLoader;
}
GLTFDracoMeshCompressionExtension.prototype.decodePrimitive = function (primitive, parser) {
var json = this.json;
var dracoLoader = this.dracoLoader;
var bufferViewIndex = primitive.extensions[this.name].bufferView;
var gltfAttributeMap = primitive.extensions[this.name].attributes;
var threeAttributeMap = {};
var attributeNormalizedMap = {};
var attributeTypeMap = {};
for (var attributeName in gltfAttributeMap) {
var threeAttributeName = ATTRIBUTES[attributeName] || attributeName.toLowerCase();
threeAttributeMap[threeAttributeName] = gltfAttributeMap[attributeName];
}
for (attributeName in primitive.attributes) {
var threeAttributeName = ATTRIBUTES[attributeName] || attributeName.toLowerCase();
if (gltfAttributeMap[attributeName] !== undefined) {
var accessorDef = json.accessors[primitive.attributes[attributeName]];
var componentType = WEBGL_COMPONENT_TYPES[accessorDef.componentType];
attributeTypeMap[threeAttributeName] = componentType;
attributeNormalizedMap[threeAttributeName] = accessorDef.normalized === true;
}
}
return parser.getDependency('bufferView', bufferViewIndex).then(function (bufferView) {
return new Promise(function (resolve) {
dracoLoader.decodeDracoFile(bufferView, function (geometry) {
for (var attributeName in geometry.attributes) {
var attribute = geometry.attributes[attributeName];
var normalized = attributeNormalizedMap[attributeName];
if (normalized !== undefined) attribute.normalized = normalized;
}
resolve(geometry);
}, threeAttributeMap, attributeTypeMap);
});
});
};
/**
* Texture Transform Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform
*/
function GLTFTextureTransformExtension() {
this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;
}
GLTFTextureTransformExtension.prototype.extendTexture = function (texture, transform) {
texture = texture.clone();
if (transform.offset !== undefined) {
texture.offset.fromArray(transform.offset);
}
if (transform.rotation !== undefined) {
texture.rotation = transform.rotation;
}
if (transform.scale !== undefined) {
texture.repeat.fromArray(transform.scale);
}
if (transform.texCoord !== undefined) {
console.warn('threeExamples.GLTFLoader: Custom UV sets in "' + this.name + '" extension not yet supported.');
}
texture.needsUpdate = true;
return texture;
};
/**
* Specular-Glossiness Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_pbrSpecularGlossiness
*/
function GLTFMaterialsPbrSpecularGlossinessExtension() {
return {
name: EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
specularGlossinessParams: ['color', 'map', 'lightMap', 'lightMapIntensity', 'aoMap', 'aoMapIntensity', 'emissive', 'emissiveIntensity', 'emissiveMap', 'bumpMap', 'bumpScale', 'normalMap', 'displacementMap', 'displacementScale', 'displacementBias', 'specularMap', 'specular', 'glossinessMap', 'glossiness', 'alphaMap', 'envMap', 'envMapIntensity', 'refractionRatio'],
getMaterialType: function getMaterialType() {
return THREE.ShaderMaterial;
},
extendParams: function extendParams(materialParams, materialDef, parser) {
var pbrSpecularGlossiness = materialDef.extensions[this.name];
var shader = THREE.ShaderLib['standard'];
var uniforms = THREE.UniformsUtils.clone(shader.uniforms);
var specularMapParsFragmentChunk = ['#ifdef USE_SPECULARMAP', ' uniform sampler2D specularMap;', '#endif'].join('\n');
var glossinessMapParsFragmentChunk = ['#ifdef USE_GLOSSINESSMAP', ' uniform sampler2D glossinessMap;', '#endif'].join('\n');
var specularMapFragmentChunk = ['vec3 specularFactor = specular;', '#ifdef USE_SPECULARMAP', ' vec4 texelSpecular = texture2D( specularMap, vUv );', ' texelSpecular = sRGBToLinear( texelSpecular );', ' // reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture', ' specularFactor *= texelSpecular.rgb;', '#endif'].join('\n');
var glossinessMapFragmentChunk = ['float glossinessFactor = glossiness;', '#ifdef USE_GLOSSINESSMAP', ' vec4 texelGlossiness = texture2D( glossinessMap, vUv );', ' // reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture', ' glossinessFactor *= texelGlossiness.a;', '#endif'].join('\n');
var lightPhysicalFragmentChunk = ['PhysicalMaterial material;', 'material.diffuseColor = diffuseColor.rgb;', 'material.specularRoughness = clamp( 1.0 - glossinessFactor, 0.04, 1.0 );', 'material.specularColor = specularFactor.rgb;'].join('\n');
var fragmentShader = shader.fragmentShader.replace('uniform float roughness;', 'uniform vec3 specular;').replace('uniform float metalness;', 'uniform float glossiness;').replace('#include <roughnessmap_pars_fragment>', specularMapParsFragmentChunk).replace('#include <metalnessmap_pars_fragment>', glossinessMapParsFragmentChunk).replace('#include <roughnessmap_fragment>', specularMapFragmentChunk).replace('#include <metalnessmap_fragment>', glossinessMapFragmentChunk).replace('#include <lights_physical_fragment>', lightPhysicalFragmentChunk);
delete uniforms.roughness;
delete uniforms.metalness;
delete uniforms.roughnessMap;
delete uniforms.metalnessMap;
uniforms.specular = {
value: new THREE.Color().setHex(0x111111)
};
uniforms.glossiness = {
value: 0.5
};
uniforms.specularMap = {
value: null
};
uniforms.glossinessMap = {
value: null
};
materialParams.vertexShader = shader.vertexShader;
materialParams.fragmentShader = fragmentShader;
materialParams.uniforms = uniforms;
materialParams.defines = {
'STANDARD': ''
};
materialParams.color = new THREE.Color(1.0, 1.0, 1.0);
materialParams.opacity = 1.0;
var pending = [];
if (Array.isArray(pbrSpecularGlossiness.diffuseFactor)) {
var array = pbrSpecularGlossiness.diffuseFactor;
materialParams.color.fromArray(array);
materialParams.opacity = array[3];
}
if (pbrSpecularGlossiness.diffuseTexture !== undefined) {
pending.push(parser.assignTexture(materialParams, 'map', pbrSpecularGlossiness.diffuseTexture));
}
materialParams.emissive = new THREE.Color(0.0, 0.0, 0.0);
materialParams.glossiness = pbrSpecularGlossiness.glossinessFactor !== undefined ? pbrSpecularGlossiness.glossinessFactor : 1.0;
materialParams.specular = new THREE.Color(1.0, 1.0, 1.0);
if (Array.isArray(pbrSpecularGlossiness.specularFactor)) {
materialParams.specular.fromArray(pbrSpecularGlossiness.specularFactor);
}
if (pbrSpecularGlossiness.specularGlossinessTexture !== undefined) {
var specGlossMapDef = pbrSpecularGlossiness.specularGlossinessTexture;
pending.push(parser.assignTexture(materialParams, 'glossinessMap', specGlossMapDef));
pending.push(parser.assignTexture(materialParams, 'specularMap', specGlossMapDef));
}
return Promise.all(pending);
},
createMaterial: function createMaterial(params) {
// setup material properties based on MeshStandardMaterial for Specular-Glossiness
var material = new THREE.ShaderMaterial({
defines: params.defines,
vertexShader: params.vertexShader,
fragmentShader: params.fragmentShader,
uniforms: params.uniforms,
fog: true,
lights: true,
opacity: params.opacity,
transparent: params.transparent
});
material.isGLTFSpecularGlossinessMaterial = true;
material.color = params.color;
material.map = params.map === undefined ? null : params.map;
material.lightMap = null;
material.lightMapIntensity = 1.0;
material.aoMap = params.aoMap === undefined ? null : params.aoMap;
material.aoMapIntensity = 1.0;
material.emissive = params.emissive;
material.emissiveIntensity = 1.0;
material.emissiveMap = params.emissiveMap === undefined ? null : params.emissiveMap;
material.bumpMap = params.bumpMap === undefined ? null : params.bumpMap;
material.bumpScale = 1;
material.normalMap = params.normalMap === undefined ? null : params.normalMap;
if (params.normalScale) material.normalScale = params.normalScale;
material.displacementMap = null;
material.displacementScale = 1;
material.displacementBias = 0;
material.specularMap = params.specularMap === undefined ? null : params.specularMap;
material.specular = params.specular;
material.glossinessMap = params.glossinessMap === undefined ? null : params.glossinessMap;
material.glossiness = params.glossiness;
material.alphaMap = null;
material.envMap = params.envMap === undefined ? null : params.envMap;
material.envMapIntensity = 1.0;
material.refractionRatio = 0.98;
material.extensions.derivatives = true;
return material;
},
/**
* Clones a GLTFSpecularGlossinessMaterial instance. The ShaderMaterial.copy() method can
* copy only properties it knows about or inherits, and misses many properties that would
* normally be defined by MeshStandardMaterial.
*
* This method allows GLTFSpecularGlossinessMaterials to be cloned in the process of
* loading a glTF model, but cloning later (e.g. by the user) would require these changes
* AND also updating `.onBeforeRender` on the parent mesh.
*
* @param {THREE.ShaderMaterial} source
* @return {THREE.ShaderMaterial}
*/
cloneMaterial: function cloneMaterial(source) {
var target = source.clone();
target.isGLTFSpecularGlossinessMaterial = true;
var params = this.specularGlossinessParams;
for (var i = 0, il = params.length; i < il; i++) {
var value = source[params[i]];
target[params[i]] = value && value.isColor ? value.clone() : value;
}
return target;
},
// Here's based on refreshUniformsCommon() and refreshUniformsStandard() in WebGLRenderer.
refreshUniforms: function refreshUniforms(renderer, scene, camera, geometry, material) {
if (material.isGLTFSpecularGlossinessMaterial !== true) {
return;
}
var uniforms = material.uniforms;
var defines = material.defines;
uniforms.opacity.value = material.opacity;
uniforms.diffuse.value.copy(material.color);
uniforms.emissive.value.copy(material.emissive).multiplyScalar(material.emissiveIntensity);
uniforms.map.value = material.map;
uniforms.specularMap.value = material.specularMap;
uniforms.alphaMap.value = material.alphaMap;
uniforms.lightMap.value = material.lightMap;
uniforms.lightMapIntensity.value = material.lightMapIntensity;
uniforms.aoMap.value = material.aoMap;
uniforms.aoMapIntensity.value = material.aoMapIntensity; // uv repeat and offset setting priorities
// 1. color map
// 2. specular map
// 3. normal map
// 4. bump map
// 5. alpha map
// 6. emissive map
var uvScaleMap;
if (material.map) {
uvScaleMap = material.map;
} else if (material.specularMap) {
uvScaleMap = material.specularMap;
} else if (material.displacementMap) {
uvScaleMap = material.displacementMap;
} else if (material.normalMap) {
uvScaleMap = material.normalMap;
} else if (material.bumpMap) {
uvScaleMap = material.bumpMap;
} else if (material.glossinessMap) {
uvScaleMap = material.glossinessMap;
} else if (material.alphaMap) {
uvScaleMap = material.alphaMap;
} else if (material.emissiveMap) {
uvScaleMap = material.emissiveMap;
}
if (uvScaleMap !== undefined) {
// backwards compatibility
if (uvScaleMap.isWebGLRenderTarget) {
uvScaleMap = uvScaleMap.texture;
}
if (uvScaleMap.matrixAutoUpdate === true) {
uvScaleMap.updateMatrix();
}
uniforms.uvTransform.value.copy(uvScaleMap.matrix);
}
if (material.envMap) {
uniforms.envMap.value = material.envMap;
uniforms.envMapIntensity.value = material.envMapIntensity; // don't flip CubeTexture envMaps, flip everything else:
// WebGLRenderTargetCube will be flipped for backwards compatibility
// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture
// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future
uniforms.flipEnvMap.value = material.envMap.isCubeTexture ? -1 : 1;
uniforms.reflectivity.value = material.reflectivity;
uniforms.refractionRatio.value = material.refractionRatio;
uniforms.maxMipLevel.value = renderer.properties.get(material.envMap).__maxMipLevel;
}
uniforms.specular.value.copy(material.specular);
uniforms.glossiness.value = material.glossiness;
uniforms.glossinessMap.value = material.glossinessMap;
uniforms.emissiveMap.value = material.emissiveMap;
uniforms.bumpMap.value = material.bumpMap;
uniforms.normalMap.value = material.normalMap;
uniforms.displacementMap.value = material.displacementMap;
uniforms.displacementScale.value = material.displacementScale;
uniforms.displacementBias.value = material.displacementBias;
if (uniforms.glossinessMap.value !== null && defines.USE_GLOSSINESSMAP === undefined) {
defines.USE_GLOSSINESSMAP = ''; // set USE_ROUGHNESSMAP to enable vUv
defines.USE_ROUGHNESSMAP = '';
}
if (uniforms.glossinessMap.value === null && defines.USE_GLOSSINESSMAP !== undefined) {
delete defines.USE_GLOSSINESSMAP;
delete defines.USE_ROUGHNESSMAP;
}
}
};
}
/*********************************/
/********** INTERPOLATION ********/
/*********************************/
// Spline Interpolation
// Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation
function GLTFCubicSplineInterpolant(parameterPositions, sampleValues, sampleSize, resultBuffer) {
THREE.Interpolant.call(this, parameterPositions, sampleValues, sampleSize, resultBuffer);
}
GLTFCubicSplineInterpolant.prototype = Object.create(THREE.Interpolant.prototype);
GLTFCubicSplineInterpolant.prototype.constructor = GLTFCubicSplineInterpolant;
GLTFCubicSplineInterpolant.prototype.copySampleValue_ = function (index) {
// Copies a sample value to the result buffer. See description of glTF
// CUBICSPLINE values layout in interpolate_() function below.
var result = this.resultBuffer,
values = this.sampleValues,
valueSize = this.valueSize;
for (var i = 0; i !== valueSize; i++) {
result[i] = values[index * valueSize * 3 + valueSize + i];
}
return result;
};
GLTFCubicSplineInterpolant.prototype.beforeStart_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
GLTFCubicSplineInterpolant.prototype.afterEnd_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
GLTFCubicSplineInterpolant.prototype.interpolate_ = function (i1, t0, t, t1) {
var result = this.resultBuffer;
var values = this.sampleValues;
var stride = this.valueSize;
var stride3 = stride * 3;
var td = t1 - t0;
var p = (t - t0) / td;
var pp = p * p;
var ppp = pp * p;
var offset1 = i1 * stride3;
var offset0 = offset1 - stride3;
var s2 = -2 * ppp + 3 * pp;
var s3 = ppp - pp;
// Layout of keyframe output values for CUBICSPLINE animations:
// [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]
for (var i = 0; i !== stride; i++) {
var p0 = values[offset0 + i + stride]; // splineVertex_k
var m0 = values[offset0 + i + stride * 2] * td; // outTangent_k * (t_k+1 - t_k)
var p1 = values[offset1 + i + stride]; // splineVertex_k+1
var m1 = values[offset1 + i] * td; // inTangent_k+1 * (t_k+1 - t_k)
result[i] = (1 - s2) * p0 + (s3 - pp + p) * m0 + s2 * p1 + s3 * m1;
}
return result;
};
/*********************************/
/********** INTERNALS ************/
/*********************************/
/* CONSTANTS */
var WEBGL_CONSTANTS = {
FLOAT: 5126,
//FLOAT_MAT2: 35674,
FLOAT_MAT3: 35675,
FLOAT_MAT4: 35676,
FLOAT_VEC2: 35664,
FLOAT_VEC3: 35665,
FLOAT_VEC4: 35666,
LINEAR: 9729,
REPEAT: 10497,
SAMPLER_2D: 35678,
POINTS: 0,
LINES: 1,
LINE_LOOP: 2,
LINE_STRIP: 3,
TRIANGLES: 4,
TRIANGLE_STRIP: 5,
TRIANGLE_FAN: 6,
UNSIGNED_BYTE: 5121,
UNSIGNED_SHORT: 5123
};
var WEBGL_COMPONENT_TYPES = {
5120: Int8Array,
5121: Uint8Array,
5122: Int16Array,
5123: Uint16Array,
5125: Uint32Array,
5126: Float32Array
};
var WEBGL_FILTERS = {
9728: THREE.NearestFilter,
9729: THREE.LinearFilter,
9984: THREE.NearestMipmapNearestFilter,
9985: THREE.LinearMipmapNearestFilter,
9986: THREE.NearestMipmapLinearFilter,
9987: THREE.LinearMipmapLinearFilter
};
var WEBGL_WRAPPINGS = {
33071: THREE.ClampToEdgeWrapping,
33648: THREE.MirroredRepeatWrapping,
10497: THREE.RepeatWrapping
};
var WEBGL_TYPE_SIZES = {
'SCALAR': 1,
'VEC2': 2,
'VEC3': 3,
'VEC4': 4,
'MAT2': 4,
'MAT3': 9,
'MAT4': 16
};
var ATTRIBUTES = {
POSITION: 'position',
NORMAL: 'normal',
TANGENT: 'tangent',
TEXCOORD_0: 'uv',
TEXCOORD_1: 'uv2',
COLOR_0: 'color',
WEIGHTS_0: 'skinWeight',
JOINTS_0: 'skinIndex',
_BATCHID: '_BATCHID'
};
var PATH_PROPERTIES = {
scale: 'scale',
translation: 'position',
rotation: 'quaternion',
weights: 'morphTargetInfluences'
};
var INTERPOLATION = {
CUBICSPLINE: undefined,
// We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each
// keyframe track will be initialized with a default interpolation type, then modified.
LINEAR: THREE.InterpolateLinear,
STEP: THREE.InterpolateDiscrete
};
var ALPHA_MODES = {
OPAQUE: 'OPAQUE',
MASK: 'MASK',
BLEND: 'BLEND'
};
var MIME_TYPE_FORMATS = {
'image/png': THREE.RGBAFormat,
'image/jpeg': THREE.RGBFormat
};
/* UTILITY FUNCTIONS */
function resolveURL(url, path) {
// Invalid URL
if (typeof url !== 'string' || url === '') return ''; // Host Relative URL
if (/^https?:\/\//i.test(path) && /^\//.test(url)) {
path = path.replace(/(^https?:\/\/[^\/]+).*/i, '$1');
} // Absolute URL http://,https://,//
if (/^(https?:)?\/\//i.test(url)) return url; // Data URI
if (/^data:.*,.*$/i.test(url)) return url; // Blob URL
if (/^blob:.*$/i.test(url)) return url; // Relative URL
return path + url;
}
var defaultMaterial;
/**
* Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material
*/
function createDefaultMaterial() {
defaultMaterial = defaultMaterial || new THREE.MeshStandardMaterial({
color: 0xFFFFFF,
emissive: 0x000000,
metalness: 1,
roughness: 1,
transparent: false,
depthTest: true,
side: THREE.FrontSide
});
return defaultMaterial;
}
function addUnknownExtensionsToUserData(knownExtensions, object, objectDef) {
// Add unknown glTF extensions to an object's userData.
for (var name in objectDef.extensions) {
if (knownExtensions[name] === undefined) {
object.userData.gltfExtensions = object.userData.gltfExtensions || {};
object.userData.gltfExtensions[name] = objectDef.extensions[name];
}
}
}
/**
* @param {THREE.Object3D|THREE.Material|THREE.BufferGeometry} object
* @param {GLTF.definition} gltfDef
*/
function assignExtrasToUserData(object, gltfDef) {
if (gltfDef.extras !== undefined) {
if ((0, _typeof2["default"])(gltfDef.extras) === 'object') {
Object.assign(object.userData, gltfDef.extras);
} else {
console.warn('threeExamples.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras);
}
}
}
/**
* Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets
*
* @param {THREE.BufferGeometry} geometry
* @param {Array<GLTF.Target>} targets
* @param {GLTFParser} parser
* @return {Promise<THREE.BufferGeometry>}
*/
function addMorphTargets(geometry, targets, parser) {
var hasMorphPosition = false;
var hasMorphNormal = false;
for (var i = 0, il = targets.length; i < il; i++) {
var target = targets[i];
if (target.POSITION !== undefined) hasMorphPosition = true;
if (target.NORMAL !== undefined) hasMorphNormal = true;
if (hasMorphPosition && hasMorphNormal) break;
}
if (!hasMorphPosition && !hasMorphNormal) return Promise.resolve(geometry);
var pendingPositionAccessors = [];
var pendingNormalAccessors = [];
for (var i = 0, il = targets.length; i < il; i++) {
var target = targets[i];
if (hasMorphPosition) {
var pendingAccessor = target.POSITION !== undefined ? parser.getDependency('accessor', target.POSITION) : geometry.attributes.position;
pendingPositionAccessors.push(pendingAccessor);
}
if (hasMorphNormal) {
var pendingAccessor = target.NORMAL !== undefined ? parser.getDependency('accessor', target.NORMAL) : geometry.attributes.normal;
pendingNormalAccessors.push(pendingAccessor);
}
}
return Promise.all([Promise.all(pendingPositionAccessors), Promise.all(pendingNormalAccessors)]).then(function (accessors) {
var morphPositions = accessors[0];
var morphNormals = accessors[1]; // Clone morph target accessors before modifying them.
for (var i = 0, il = morphPositions.length; i < il; i++) {
if (geometry.attributes.position === morphPositions[i]) continue;
morphPositions[i] = cloneBufferAttribute(morphPositions[i]);
}
for (var i = 0, il = morphNormals.length; i < il; i++) {
if (geometry.attributes.normal === morphNormals[i]) continue;
morphNormals[i] = cloneBufferAttribute(morphNormals[i]);
}
for (var i = 0, il = targets.length; i < il; i++) {
var target = targets[i];
var attributeName = 'morphTarget' + i;
if (hasMorphPosition) {
// Three.js morph position is absolute value. The formula is
// basePosition
// + weight0 * ( morphPosition0 - basePosition )
// + weight1 * ( morphPosition1 - basePosition )
// ...
// while the glTF one is relative
// basePosition
// + weight0 * glTFmorphPosition0
// + weight1 * glTFmorphPosition1
// ...
// then we need to convert from relative to absolute here.
if (target.POSITION !== undefined) {
var positionAttribute = morphPositions[i];
positionAttribute.name = attributeName;
var position = geometry.attributes.position;
for (var j = 0, jl = positionAttribute.count; j < jl; j++) {
positionAttribute.setXYZ(j, positionAttribute.getX(j) + position.getX(j), positionAttribute.getY(j) + position.getY(j), positionAttribute.getZ(j) + position.getZ(j));
}
}
}
if (hasMorphNormal) {
// see target.POSITION's comment
if (target.NORMAL !== undefined) {
var normalAttribute = morphNormals[i];
normalAttribute.name = attributeName;
var normal = geometry.attributes.normal;
for (var j = 0, jl = normalAttribute.count; j < jl; j++) {
normalAttribute.setXYZ(j, normalAttribute.getX(j) + normal.getX(j), normalAttribute.getY(j) + normal.getY(j), normalAttribute.getZ(j) + normal.getZ(j));
}
}
}
}
if (hasMorphPosition) geometry.morphAttributes.position = morphPositions;
if (hasMorphNormal) geometry.morphAttributes.normal = morphNormals;
return geometry;
});
}
/**
* @param {THREE.Mesh} mesh
* @param {GLTF.Mesh} meshDef
*/
function updateMorphTargets(mesh, meshDef) {
mesh.updateMorphTargets();
if (meshDef.weights !== undefined) {
for (var i = 0, il = meshDef.weights.length; i < il; i++) {
mesh.morphTargetInfluences[i] = meshDef.weights[i];
}
} // .extras has user-defined data, so check that .extras.targetNames is an array.
if (meshDef.extras && Array.isArray(meshDef.extras.targetNames)) {
var targetNames = meshDef.extras.targetNames;
if (mesh.morphTargetInfluences.length === targetNames.length) {
mesh.morphTargetDictionary = {};
for (var i = 0, il = targetNames.length; i < il; i++) {
mesh.morphTargetDictionary[targetNames[i]] = i;
}
} else {
console.warn('threeExamples.GLTFLoader: Invalid extras.targetNames length. Ignoring names.');
}
}
}
function createPrimitiveKey(primitiveDef) {
var dracoExtension = primitiveDef.extensions && primitiveDef.extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION];
var geometryKey;
if (dracoExtension) {
geometryKey = 'draco:' + dracoExtension.bufferView + ':' + dracoExtension.indices + ':' + createAttributesKey(dracoExtension.attributes);
} else {
geometryKey = primitiveDef.indices + ':' + createAttributesKey(primitiveDef.attributes) + ':' + primitiveDef.mode;
}
return geometryKey;
}
function createAttributesKey(attributes) {
var attributesKey = '';
var keys = Object.keys(attributes).sort();
for (var i = 0, il = keys.length; i < il; i++) {
attributesKey += keys[i] + ':' + attributes[keys[i]] + ';';
}
return attributesKey;
}
function cloneBufferAttribute(attribute) {
if (attribute.isInterleavedBufferAttribute) {
var count = attribute.count;
var itemSize = attribute.itemSize;
var array = attribute.array.slice(0, count * itemSize);
for (var i = 0, j = 0; i < count; ++i) {
array[j++] = attribute.getX(i);
if (itemSize >= 2) array[j++] = attribute.getY(i);
if (itemSize >= 3) array[j++] = attribute.getZ(i);
if (itemSize >= 4) array[j++] = attribute.getW(i);
}
return new THREE.BufferAttribute(array, itemSize, attribute.normalized);
}
return attribute.clone();
}
/* GLTF PARSER */
function GLTFParser(json, extensions, options) {
this.json = json || {};
this.extensions = extensions || {};
this.options = options || {}; // loader object cache
this.cache = new GLTFRegistry(); // BufferGeometry caching
this.primitiveCache = {};
this.textureLoader = new THREE.TextureLoader(this.options.manager);
this.textureLoader.setCrossOrigin(this.options.crossOrigin);
this.fileLoader = new THREE.FileLoader(this.options.manager);
this.fileLoader.setResponseType('arraybuffer');
if (this.options.crossOrigin === 'use-credentials') {
this.fileLoader.setWithCredentials(true);
}
}
GLTFParser.prototype.parse = function (onLoad, onError) {
var parser = this;
var json = this.json;
var extensions = this.extensions; // Clear the loader cache
this.cache.removeAll(); // Mark the special nodes/meshes in json for efficient parse
this.markDefs();
Promise.all([this.getDependencies('scene'), this.getDependencies('animation'), this.getDependencies('camera')]).then(function (dependencies) {
var result = {
scene: dependencies[0][json.scene || 0],
scenes: dependencies[0],
animations: dependencies[1],
cameras: dependencies[2],
asset: json.asset,
parser: parser,
userData: {}
};
addUnknownExtensionsToUserData(extensions, result, json);
assignExtrasToUserData(result, json);
onLoad(result);
})["catch"](onError);
};
/**
* Marks the special nodes/meshes in json for efficient parse.
*/
GLTFParser.prototype.markDefs = function () {
var nodeDefs = this.json.nodes || [];
var skinDefs = this.json.skins || [];
var meshDefs = this.json.meshes || [];
var meshReferences = {};
var meshUses = {}; // Nothing in the node definition indicates whether it is a Bone or an
// Object3D. Use the skins' joint references to mark bones.
for (var skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex++) {
var joints = skinDefs[skinIndex].joints;
for (var i = 0, il = joints.length; i < il; i++) {
nodeDefs[joints[i]].isBone = true;
}
} // Meshes can (and should) be reused by multiple nodes in a glTF asset. To
// avoid having more than one THREE.Mesh with the same name, count
// references and rename instances below.
//
// Example: CesiumMilkTruck sample model reuses "Wheel" meshes.
for (var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex++) {
var nodeDef = nodeDefs[nodeIndex];
if (nodeDef.mesh !== undefined) {
if (meshReferences[nodeDef.mesh] === undefined) {
meshReferences[nodeDef.mesh] = meshUses[nodeDef.mesh] = 0;
}
meshReferences[nodeDef.mesh]++; // Nothing in the mesh definition indicates whether it is
// a SkinnedMesh or Mesh. Use the node's mesh reference
// to mark SkinnedMesh if node has skin.
if (nodeDef.skin !== undefined) {
meshDefs[nodeDef.mesh].isSkinnedMesh = true;
}
}
}
this.json.meshReferences = meshReferences;
this.json.meshUses = meshUses;
};
/**
* Requests the specified dependency asynchronously, with caching.
* @param {string} type
* @param {number} index
* @return {Promise<THREE.Object3D|THREE.Material|THREE.Texture|THREE.AnimationClip|ArrayBuffer|Object>}
*/
GLTFParser.prototype.getDependency = function (type, index) {
var cacheKey = type + ':' + index;
var dependency = this.cache.get(cacheKey);
if (!dependency) {
switch (type) {
case 'scene':
dependency = this.loadScene(index);
break;
case 'node':
dependency = this.loadNode(index);
break;
case 'mesh':
dependency = this.loadMesh(index);
break;
case 'accessor':
dependency = this.loadAccessor(index);
break;
case 'bufferView':
dependency = this.loadBufferView(index);
break;
case 'buffer':
dependency = this.loadBuffer(index);
break;
case 'material':
dependency = this.loadMaterial(index);
break;
case 'texture':
dependency = this.loadTexture(index);
break;
case 'skin':
dependency = this.loadSkin(index);
break;
case 'animation':
dependency = this.loadAnimation(index);
break;
case 'camera':
dependency = this.loadCamera(index);
break;
case 'light':
dependency = this.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL].loadLight(index);
break;
default:
throw new Error('Unknown type: ' + type);
}
this.cache.add(cacheKey, dependency);
}
return dependency;
};
/**
* Requests all dependencies of the specified type asynchronously, with caching.
* @param {string} type
* @return {Promise<Array<Object>>}
*/
GLTFParser.prototype.getDependencies = function (type) {
var dependencies = this.cache.get(type);
if (!dependencies) {
var parser = this;
var defs = this.json[type + (type === 'mesh' ? 'es' : 's')] || [];
dependencies = Promise.all(defs.map(function (def, index) {
return parser.getDependency(type, index);
}));
this.cache.add(type, dependencies);
}
return dependencies;
};
/**
* Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
* @param {number} bufferIndex
* @return {Promise<ArrayBuffer>}
*/
GLTFParser.prototype.loadBuffer = function (bufferIndex) {
var bufferDef = this.json.buffers[bufferIndex];
var loader = this.fileLoader;
if (bufferDef.type && bufferDef.type !== 'arraybuffer') {
throw new Error('threeExamples.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.');
} // If present, GLB container is required to be the first buffer.
if (bufferDef.uri === undefined && bufferIndex === 0) {
return Promise.resolve(this.extensions[EXTENSIONS.KHR_BINARY_GLTF].body);
}
var options = this.options;
return new Promise(function (resolve, reject) {
loader.load(resolveURL(bufferDef.uri, options.path), resolve, undefined, function () {
reject(new Error('threeExamples.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".'));
});
});
};
/**
* Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
* @param {number} bufferViewIndex
* @return {Promise<ArrayBuffer>}
*/
GLTFParser.prototype.loadBufferView = function (bufferViewIndex) {
var bufferViewDef = this.json.bufferViews[bufferViewIndex];
return this.getDependency('buffer', bufferViewDef.buffer).then(function (buffer) {
var byteLength = bufferViewDef.byteLength || 0;
var byteOffset = bufferViewDef.byteOffset || 0;
return buffer.slice(byteOffset, byteOffset + byteLength);
});
};
/**
* Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors
* @param {number} accessorIndex
* @return {Promise<THREE.BufferAttribute|THREE.InterleavedBufferAttribute>}
*/
GLTFParser.prototype.loadAccessor = function (accessorIndex) {
var parser = this;
var json = this.json;
var accessorDef = this.json.accessors[accessorIndex];
if (accessorDef.bufferView === undefined && accessorDef.sparse === undefined) {
// Ignore empty accessors, which may be used to declare runtime
// information about attributes coming from another source (e.g. Draco
// compression extension).
return Promise.resolve(null);
}
var pendingBufferViews = [];
if (accessorDef.bufferView !== undefined) {
pendingBufferViews.push(this.getDependency('bufferView', accessorDef.bufferView));
} else {
pendingBufferViews.push(null);
}
if (accessorDef.sparse !== undefined) {
pendingBufferViews.push(this.getDependency('bufferView', accessorDef.sparse.indices.bufferView));
pendingBufferViews.push(this.getDependency('bufferView', accessorDef.sparse.values.bufferView));
}
return Promise.all(pendingBufferViews).then(function (bufferViews) {
var bufferView = bufferViews[0];
var itemSize = WEBGL_TYPE_SIZES[accessorDef.type];
var TypedArray = WEBGL_COMPONENT_TYPES[accessorDef.componentType]; // For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
var elementBytes = TypedArray.BYTES_PER_ELEMENT;
var byteOffset = accessorDef.byteOffset || 0;
var byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[accessorDef.bufferView].byteStride : undefined;
var normalized = accessorDef.normalized === true;
var array, bufferAttribute; // The buffer is not interleaved if the stride is the item size in bytes.
if (byteStride && byteStride !== elementBytes * itemSize) {
// Each "slice" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own InterleavedBuffer
// This makes sure that IBA.count reflects accessor.count properly
var ibSlice = Math.floor(byteOffset / byteStride);
var ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;
var ib = parser.cache.get(ibCacheKey);
if (!ib) {
array = new TypedArray(bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes); // Integer parameters to IB/IBA are in array elements, not bytes.
ib = new THREE.InterleavedBuffer(array, byteStride / elementBytes);
parser.cache.add(ibCacheKey, ib);
}
bufferAttribute = new THREE.InterleavedBufferAttribute(ib, itemSize, byteOffset % byteStride / elementBytes, normalized);
} else {