///
var BABYLON;
(function (BABYLON) {
var GLTFLoaderCoordinateSystemMode;
(function (GLTFLoaderCoordinateSystemMode) {
/**
* Automatically convert the glTF right-handed data to the appropriate system based on the current coordinate system mode of the scene.
*/
GLTFLoaderCoordinateSystemMode[GLTFLoaderCoordinateSystemMode["AUTO"] = 0] = "AUTO";
/**
* Sets the useRightHandedSystem flag on the scene.
*/
GLTFLoaderCoordinateSystemMode[GLTFLoaderCoordinateSystemMode["FORCE_RIGHT_HANDED"] = 1] = "FORCE_RIGHT_HANDED";
})(GLTFLoaderCoordinateSystemMode = BABYLON.GLTFLoaderCoordinateSystemMode || (BABYLON.GLTFLoaderCoordinateSystemMode = {}));
var GLTFLoaderAnimationStartMode;
(function (GLTFLoaderAnimationStartMode) {
/**
* No animation will start.
*/
GLTFLoaderAnimationStartMode[GLTFLoaderAnimationStartMode["NONE"] = 0] = "NONE";
/**
* The first animation will start.
*/
GLTFLoaderAnimationStartMode[GLTFLoaderAnimationStartMode["FIRST"] = 1] = "FIRST";
/**
* All animations will start.
*/
GLTFLoaderAnimationStartMode[GLTFLoaderAnimationStartMode["ALL"] = 2] = "ALL";
})(GLTFLoaderAnimationStartMode = BABYLON.GLTFLoaderAnimationStartMode || (BABYLON.GLTFLoaderAnimationStartMode = {}));
var GLTFFileLoader = /** @class */ (function () {
function GLTFFileLoader() {
// #region Common options
/**
* Raised when the asset has been parsed.
* The data.json property stores the glTF JSON.
* The data.bin property stores the BIN chunk from a glTF binary or null if the input is not a glTF binary.
*/
this.onParsedObservable = new BABYLON.Observable();
// #endregion
// #region V2 options
/**
* The coordinate system mode (AUTO, FORCE_RIGHT_HANDED).
*/
this.coordinateSystemMode = GLTFLoaderCoordinateSystemMode.AUTO;
/**
* The animation start mode (NONE, FIRST, ALL).
*/
this.animationStartMode = GLTFLoaderAnimationStartMode.FIRST;
/**
* Set to true to compile materials before raising the success callback.
*/
this.compileMaterials = false;
/**
* Set to true to also compile materials with clip planes.
*/
this.useClipPlane = false;
/**
* Set to true to compile shadow generators before raising the success callback.
*/
this.compileShadowGenerators = false;
/**
* Raised when the loader creates a mesh after parsing the glTF properties of the mesh.
*/
this.onMeshLoadedObservable = new BABYLON.Observable();
/**
* Raised when the loader creates a texture after parsing the glTF properties of the texture.
*/
this.onTextureLoadedObservable = new BABYLON.Observable();
/**
* Raised when the loader creates a material after parsing the glTF properties of the material.
*/
this.onMaterialLoadedObservable = new BABYLON.Observable();
/**
* Raised when the asset is completely loaded, immediately before the loader is disposed.
* For assets with LODs, raised when all of the LODs are complete.
* For assets without LODs, raised when the model is complete, immediately after onSuccess.
*/
this.onCompleteObservable = new BABYLON.Observable();
/**
* Raised when the loader is disposed.
*/
this.onDisposeObservable = new BABYLON.Observable();
// #endregion
this._loader = null;
this.name = "gltf";
this.extensions = {
".gltf": { isBinary: false },
".glb": { isBinary: true }
};
}
Object.defineProperty(GLTFFileLoader.prototype, "onParsed", {
set: function (callback) {
if (this._onParsedObserver) {
this.onParsedObservable.remove(this._onParsedObserver);
}
this._onParsedObserver = this.onParsedObservable.add(callback);
},
enumerable: true,
configurable: true
});
Object.defineProperty(GLTFFileLoader.prototype, "onMeshLoaded", {
set: function (callback) {
if (this._onMeshLoadedObserver) {
this.onMeshLoadedObservable.remove(this._onMeshLoadedObserver);
}
this._onMeshLoadedObserver = this.onMeshLoadedObservable.add(callback);
},
enumerable: true,
configurable: true
});
Object.defineProperty(GLTFFileLoader.prototype, "onTextureLoaded", {
set: function (callback) {
if (this._onTextureLoadedObserver) {
this.onTextureLoadedObservable.remove(this._onTextureLoadedObserver);
}
this._onTextureLoadedObserver = this.onTextureLoadedObservable.add(callback);
},
enumerable: true,
configurable: true
});
Object.defineProperty(GLTFFileLoader.prototype, "onMaterialLoaded", {
set: function (callback) {
if (this._onMaterialLoadedObserver) {
this.onMaterialLoadedObservable.remove(this._onMaterialLoadedObserver);
}
this._onMaterialLoadedObserver = this.onMaterialLoadedObservable.add(callback);
},
enumerable: true,
configurable: true
});
Object.defineProperty(GLTFFileLoader.prototype, "onComplete", {
set: function (callback) {
if (this._onCompleteObserver) {
this.onCompleteObservable.remove(this._onCompleteObserver);
}
this._onCompleteObserver = this.onCompleteObservable.add(callback);
},
enumerable: true,
configurable: true
});
Object.defineProperty(GLTFFileLoader.prototype, "onDispose", {
set: function (callback) {
if (this._onDisposeObserver) {
this.onDisposeObservable.remove(this._onDisposeObserver);
}
this._onDisposeObserver = this.onDisposeObservable.add(callback);
},
enumerable: true,
configurable: true
});
/**
* Disposes the loader, releases resources during load, and cancels any outstanding requests.
*/
GLTFFileLoader.prototype.dispose = function () {
if (this._loader) {
this._loader.dispose();
this._loader = null;
}
this.onParsedObservable.clear();
this.onMeshLoadedObservable.clear();
this.onTextureLoadedObservable.clear();
this.onMaterialLoadedObservable.clear();
this.onCompleteObservable.clear();
this.onDisposeObservable.notifyObservers(this);
this.onDisposeObservable.clear();
};
GLTFFileLoader.prototype.importMeshAsync = function (meshesNames, scene, data, rootUrl, onSuccess, onProgress, onError) {
try {
var loaderData = this._parse(data);
this._loader = this._getLoader(loaderData);
this._loader.importMeshAsync(meshesNames, scene, loaderData, rootUrl, onSuccess, onProgress, onError);
}
catch (e) {
if (onError) {
onError(e.message, e);
}
else {
BABYLON.Tools.Error(e.message);
}
}
};
GLTFFileLoader.prototype.loadAsync = function (scene, data, rootUrl, onSuccess, onProgress, onError) {
try {
var loaderData = this._parse(data);
this._loader = this._getLoader(loaderData);
this._loader.loadAsync(scene, loaderData, rootUrl, onSuccess, onProgress, onError);
}
catch (e) {
if (onError) {
onError(e.message, e);
}
else {
BABYLON.Tools.Error(e.message);
}
}
};
GLTFFileLoader.prototype.canDirectLoad = function (data) {
return ((data.indexOf("scene") !== -1) && (data.indexOf("node") !== -1));
};
GLTFFileLoader.prototype.createPlugin = function () {
return new GLTFFileLoader();
};
GLTFFileLoader.prototype._parse = function (data) {
var parsedData;
if (data instanceof ArrayBuffer) {
parsedData = GLTFFileLoader._parseBinary(data);
}
else {
parsedData = {
json: JSON.parse(data),
bin: null
};
}
this.onParsedObservable.notifyObservers(parsedData);
return parsedData;
};
GLTFFileLoader.prototype._getLoader = function (loaderData) {
var _this = this;
var loaderVersion = { major: 2, minor: 0 };
var asset = loaderData.json.asset || {};
var version = GLTFFileLoader._parseVersion(asset.version);
if (!version) {
throw new Error("Invalid version: " + asset.version);
}
if (asset.minVersion !== undefined) {
var minVersion = GLTFFileLoader._parseVersion(asset.minVersion);
if (!minVersion) {
throw new Error("Invalid minimum version: " + asset.minVersion);
}
if (GLTFFileLoader._compareVersion(minVersion, loaderVersion) > 0) {
throw new Error("Incompatible minimum version: " + asset.minVersion);
}
}
var createLoaders = {
1: GLTFFileLoader.CreateGLTFLoaderV1,
2: GLTFFileLoader.CreateGLTFLoaderV2
};
var createLoader = createLoaders[version.major];
if (!createLoader) {
throw new Error("Unsupported version: " + asset.version);
}
var loader = createLoader();
loader.coordinateSystemMode = this.coordinateSystemMode;
loader.animationStartMode = this.animationStartMode;
loader.compileMaterials = this.compileMaterials;
loader.useClipPlane = this.useClipPlane;
loader.compileShadowGenerators = this.compileShadowGenerators;
loader.onMeshLoadedObservable.add(function (mesh) { return _this.onMeshLoadedObservable.notifyObservers(mesh); });
loader.onTextureLoadedObservable.add(function (texture) { return _this.onTextureLoadedObservable.notifyObservers(texture); });
loader.onMaterialLoadedObservable.add(function (material) { return _this.onMaterialLoadedObservable.notifyObservers(material); });
loader.onCompleteObservable.add(function () { return _this.onCompleteObservable.notifyObservers(_this); });
return loader;
};
GLTFFileLoader._parseBinary = function (data) {
var Binary = {
Magic: 0x46546C67
};
var binaryReader = new BinaryReader(data);
var magic = binaryReader.readUint32();
if (magic !== Binary.Magic) {
throw new Error("Unexpected magic: " + magic);
}
var version = binaryReader.readUint32();
switch (version) {
case 1: return GLTFFileLoader._parseV1(binaryReader);
case 2: return GLTFFileLoader._parseV2(binaryReader);
}
throw new Error("Unsupported version: " + version);
};
GLTFFileLoader._parseV1 = function (binaryReader) {
var ContentFormat = {
JSON: 0
};
var length = binaryReader.readUint32();
if (length != binaryReader.getLength()) {
throw new Error("Length in header does not match actual data length: " + length + " != " + binaryReader.getLength());
}
var contentLength = binaryReader.readUint32();
var contentFormat = binaryReader.readUint32();
var content;
switch (contentFormat) {
case ContentFormat.JSON: {
content = JSON.parse(GLTFFileLoader._decodeBufferToText(binaryReader.readUint8Array(contentLength)));
break;
}
default: {
throw new Error("Unexpected content format: " + contentFormat);
}
}
var bytesRemaining = binaryReader.getLength() - binaryReader.getPosition();
var body = binaryReader.readUint8Array(bytesRemaining);
return {
json: content,
bin: body
};
};
GLTFFileLoader._parseV2 = function (binaryReader) {
var ChunkFormat = {
JSON: 0x4E4F534A,
BIN: 0x004E4942
};
var length = binaryReader.readUint32();
if (length !== binaryReader.getLength()) {
throw new Error("Length in header does not match actual data length: " + length + " != " + binaryReader.getLength());
}
// JSON chunk
var chunkLength = binaryReader.readUint32();
var chunkFormat = binaryReader.readUint32();
if (chunkFormat !== ChunkFormat.JSON) {
throw new Error("First chunk format is not JSON");
}
var json = JSON.parse(GLTFFileLoader._decodeBufferToText(binaryReader.readUint8Array(chunkLength)));
// Look for BIN chunk
var bin = null;
while (binaryReader.getPosition() < binaryReader.getLength()) {
var chunkLength_1 = binaryReader.readUint32();
var chunkFormat_1 = binaryReader.readUint32();
switch (chunkFormat_1) {
case ChunkFormat.JSON: {
throw new Error("Unexpected JSON chunk");
}
case ChunkFormat.BIN: {
bin = binaryReader.readUint8Array(chunkLength_1);
break;
}
default: {
// ignore unrecognized chunkFormat
binaryReader.skipBytes(chunkLength_1);
break;
}
}
}
return {
json: json,
bin: bin
};
};
GLTFFileLoader._parseVersion = function (version) {
if (version === "1.0" || version === "1.0.1") {
return {
major: 1,
minor: 0
};
}
var match = (version + "").match(/^(\d+)\.(\d+)/);
if (!match) {
return null;
}
return {
major: parseInt(match[1]),
minor: parseInt(match[2])
};
};
GLTFFileLoader._compareVersion = function (a, b) {
if (a.major > b.major)
return 1;
if (a.major < b.major)
return -1;
if (a.minor > b.minor)
return 1;
if (a.minor < b.minor)
return -1;
return 0;
};
GLTFFileLoader._decodeBufferToText = function (buffer) {
var result = "";
var length = buffer.byteLength;
for (var i = 0; i < length; i++) {
result += String.fromCharCode(buffer[i]);
}
return result;
};
// #endregion
// #region V1 options
GLTFFileLoader.IncrementalLoading = true;
GLTFFileLoader.HomogeneousCoordinates = false;
return GLTFFileLoader;
}());
BABYLON.GLTFFileLoader = GLTFFileLoader;
var BinaryReader = /** @class */ (function () {
function BinaryReader(arrayBuffer) {
this._arrayBuffer = arrayBuffer;
this._dataView = new DataView(arrayBuffer);
this._byteOffset = 0;
}
BinaryReader.prototype.getPosition = function () {
return this._byteOffset;
};
BinaryReader.prototype.getLength = function () {
return this._arrayBuffer.byteLength;
};
BinaryReader.prototype.readUint32 = function () {
var value = this._dataView.getUint32(this._byteOffset, true);
this._byteOffset += 4;
return value;
};
BinaryReader.prototype.readUint8Array = function (length) {
var value = new Uint8Array(this._arrayBuffer, this._byteOffset, length);
this._byteOffset += length;
return value;
};
BinaryReader.prototype.skipBytes = function (length) {
this._byteOffset += length;
};
return BinaryReader;
}());
if (BABYLON.SceneLoader) {
BABYLON.SceneLoader.RegisterPlugin(new GLTFFileLoader());
}
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFFileLoader.js.map
///
var BABYLON;
(function (BABYLON) {
var GLTF1;
(function (GLTF1) {
/**
* Enums
*/
var EComponentType;
(function (EComponentType) {
EComponentType[EComponentType["BYTE"] = 5120] = "BYTE";
EComponentType[EComponentType["UNSIGNED_BYTE"] = 5121] = "UNSIGNED_BYTE";
EComponentType[EComponentType["SHORT"] = 5122] = "SHORT";
EComponentType[EComponentType["UNSIGNED_SHORT"] = 5123] = "UNSIGNED_SHORT";
EComponentType[EComponentType["FLOAT"] = 5126] = "FLOAT";
})(EComponentType = GLTF1.EComponentType || (GLTF1.EComponentType = {}));
var EShaderType;
(function (EShaderType) {
EShaderType[EShaderType["FRAGMENT"] = 35632] = "FRAGMENT";
EShaderType[EShaderType["VERTEX"] = 35633] = "VERTEX";
})(EShaderType = GLTF1.EShaderType || (GLTF1.EShaderType = {}));
var EParameterType;
(function (EParameterType) {
EParameterType[EParameterType["BYTE"] = 5120] = "BYTE";
EParameterType[EParameterType["UNSIGNED_BYTE"] = 5121] = "UNSIGNED_BYTE";
EParameterType[EParameterType["SHORT"] = 5122] = "SHORT";
EParameterType[EParameterType["UNSIGNED_SHORT"] = 5123] = "UNSIGNED_SHORT";
EParameterType[EParameterType["INT"] = 5124] = "INT";
EParameterType[EParameterType["UNSIGNED_INT"] = 5125] = "UNSIGNED_INT";
EParameterType[EParameterType["FLOAT"] = 5126] = "FLOAT";
EParameterType[EParameterType["FLOAT_VEC2"] = 35664] = "FLOAT_VEC2";
EParameterType[EParameterType["FLOAT_VEC3"] = 35665] = "FLOAT_VEC3";
EParameterType[EParameterType["FLOAT_VEC4"] = 35666] = "FLOAT_VEC4";
EParameterType[EParameterType["INT_VEC2"] = 35667] = "INT_VEC2";
EParameterType[EParameterType["INT_VEC3"] = 35668] = "INT_VEC3";
EParameterType[EParameterType["INT_VEC4"] = 35669] = "INT_VEC4";
EParameterType[EParameterType["BOOL"] = 35670] = "BOOL";
EParameterType[EParameterType["BOOL_VEC2"] = 35671] = "BOOL_VEC2";
EParameterType[EParameterType["BOOL_VEC3"] = 35672] = "BOOL_VEC3";
EParameterType[EParameterType["BOOL_VEC4"] = 35673] = "BOOL_VEC4";
EParameterType[EParameterType["FLOAT_MAT2"] = 35674] = "FLOAT_MAT2";
EParameterType[EParameterType["FLOAT_MAT3"] = 35675] = "FLOAT_MAT3";
EParameterType[EParameterType["FLOAT_MAT4"] = 35676] = "FLOAT_MAT4";
EParameterType[EParameterType["SAMPLER_2D"] = 35678] = "SAMPLER_2D";
})(EParameterType = GLTF1.EParameterType || (GLTF1.EParameterType = {}));
var ETextureWrapMode;
(function (ETextureWrapMode) {
ETextureWrapMode[ETextureWrapMode["CLAMP_TO_EDGE"] = 33071] = "CLAMP_TO_EDGE";
ETextureWrapMode[ETextureWrapMode["MIRRORED_REPEAT"] = 33648] = "MIRRORED_REPEAT";
ETextureWrapMode[ETextureWrapMode["REPEAT"] = 10497] = "REPEAT";
})(ETextureWrapMode = GLTF1.ETextureWrapMode || (GLTF1.ETextureWrapMode = {}));
var ETextureFilterType;
(function (ETextureFilterType) {
ETextureFilterType[ETextureFilterType["NEAREST"] = 9728] = "NEAREST";
ETextureFilterType[ETextureFilterType["LINEAR"] = 9728] = "LINEAR";
ETextureFilterType[ETextureFilterType["NEAREST_MIPMAP_NEAREST"] = 9984] = "NEAREST_MIPMAP_NEAREST";
ETextureFilterType[ETextureFilterType["LINEAR_MIPMAP_NEAREST"] = 9985] = "LINEAR_MIPMAP_NEAREST";
ETextureFilterType[ETextureFilterType["NEAREST_MIPMAP_LINEAR"] = 9986] = "NEAREST_MIPMAP_LINEAR";
ETextureFilterType[ETextureFilterType["LINEAR_MIPMAP_LINEAR"] = 9987] = "LINEAR_MIPMAP_LINEAR";
})(ETextureFilterType = GLTF1.ETextureFilterType || (GLTF1.ETextureFilterType = {}));
var ETextureFormat;
(function (ETextureFormat) {
ETextureFormat[ETextureFormat["ALPHA"] = 6406] = "ALPHA";
ETextureFormat[ETextureFormat["RGB"] = 6407] = "RGB";
ETextureFormat[ETextureFormat["RGBA"] = 6408] = "RGBA";
ETextureFormat[ETextureFormat["LUMINANCE"] = 6409] = "LUMINANCE";
ETextureFormat[ETextureFormat["LUMINANCE_ALPHA"] = 6410] = "LUMINANCE_ALPHA";
})(ETextureFormat = GLTF1.ETextureFormat || (GLTF1.ETextureFormat = {}));
var ECullingType;
(function (ECullingType) {
ECullingType[ECullingType["FRONT"] = 1028] = "FRONT";
ECullingType[ECullingType["BACK"] = 1029] = "BACK";
ECullingType[ECullingType["FRONT_AND_BACK"] = 1032] = "FRONT_AND_BACK";
})(ECullingType = GLTF1.ECullingType || (GLTF1.ECullingType = {}));
var EBlendingFunction;
(function (EBlendingFunction) {
EBlendingFunction[EBlendingFunction["ZERO"] = 0] = "ZERO";
EBlendingFunction[EBlendingFunction["ONE"] = 1] = "ONE";
EBlendingFunction[EBlendingFunction["SRC_COLOR"] = 768] = "SRC_COLOR";
EBlendingFunction[EBlendingFunction["ONE_MINUS_SRC_COLOR"] = 769] = "ONE_MINUS_SRC_COLOR";
EBlendingFunction[EBlendingFunction["DST_COLOR"] = 774] = "DST_COLOR";
EBlendingFunction[EBlendingFunction["ONE_MINUS_DST_COLOR"] = 775] = "ONE_MINUS_DST_COLOR";
EBlendingFunction[EBlendingFunction["SRC_ALPHA"] = 770] = "SRC_ALPHA";
EBlendingFunction[EBlendingFunction["ONE_MINUS_SRC_ALPHA"] = 771] = "ONE_MINUS_SRC_ALPHA";
EBlendingFunction[EBlendingFunction["DST_ALPHA"] = 772] = "DST_ALPHA";
EBlendingFunction[EBlendingFunction["ONE_MINUS_DST_ALPHA"] = 773] = "ONE_MINUS_DST_ALPHA";
EBlendingFunction[EBlendingFunction["CONSTANT_COLOR"] = 32769] = "CONSTANT_COLOR";
EBlendingFunction[EBlendingFunction["ONE_MINUS_CONSTANT_COLOR"] = 32770] = "ONE_MINUS_CONSTANT_COLOR";
EBlendingFunction[EBlendingFunction["CONSTANT_ALPHA"] = 32771] = "CONSTANT_ALPHA";
EBlendingFunction[EBlendingFunction["ONE_MINUS_CONSTANT_ALPHA"] = 32772] = "ONE_MINUS_CONSTANT_ALPHA";
EBlendingFunction[EBlendingFunction["SRC_ALPHA_SATURATE"] = 776] = "SRC_ALPHA_SATURATE";
})(EBlendingFunction = GLTF1.EBlendingFunction || (GLTF1.EBlendingFunction = {}));
})(GLTF1 = BABYLON.GLTF1 || (BABYLON.GLTF1 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFLoaderInterfaces.js.map
///
var BABYLON;
(function (BABYLON) {
var GLTF1;
(function (GLTF1) {
/**
* Tokenizer. Used for shaders compatibility
* Automatically map world, view, projection, worldViewProjection, attributes and so on
*/
var ETokenType;
(function (ETokenType) {
ETokenType[ETokenType["IDENTIFIER"] = 1] = "IDENTIFIER";
ETokenType[ETokenType["UNKNOWN"] = 2] = "UNKNOWN";
ETokenType[ETokenType["END_OF_INPUT"] = 3] = "END_OF_INPUT";
})(ETokenType || (ETokenType = {}));
var Tokenizer = /** @class */ (function () {
function Tokenizer(toParse) {
this._pos = 0;
this.isLetterOrDigitPattern = /^[a-zA-Z0-9]+$/;
this._toParse = toParse;
this._maxPos = toParse.length;
}
Tokenizer.prototype.getNextToken = function () {
if (this.isEnd())
return ETokenType.END_OF_INPUT;
this.currentString = this.read();
this.currentToken = ETokenType.UNKNOWN;
if (this.currentString === "_" || this.isLetterOrDigitPattern.test(this.currentString)) {
this.currentToken = ETokenType.IDENTIFIER;
this.currentIdentifier = this.currentString;
while (!this.isEnd() && (this.isLetterOrDigitPattern.test(this.currentString = this.peek()) || this.currentString === "_")) {
this.currentIdentifier += this.currentString;
this.forward();
}
}
return this.currentToken;
};
Tokenizer.prototype.peek = function () {
return this._toParse[this._pos];
};
Tokenizer.prototype.read = function () {
return this._toParse[this._pos++];
};
Tokenizer.prototype.forward = function () {
this._pos++;
};
Tokenizer.prototype.isEnd = function () {
return this._pos >= this._maxPos;
};
return Tokenizer;
}());
/**
* Values
*/
var glTFTransforms = ["MODEL", "VIEW", "PROJECTION", "MODELVIEW", "MODELVIEWPROJECTION", "JOINTMATRIX"];
var babylonTransforms = ["world", "view", "projection", "worldView", "worldViewProjection", "mBones"];
var glTFAnimationPaths = ["translation", "rotation", "scale"];
var babylonAnimationPaths = ["position", "rotationQuaternion", "scaling"];
/**
* Parse
*/
var parseBuffers = function (parsedBuffers, gltfRuntime) {
for (var buf in parsedBuffers) {
var parsedBuffer = parsedBuffers[buf];
gltfRuntime.buffers[buf] = parsedBuffer;
gltfRuntime.buffersCount++;
}
};
var parseShaders = function (parsedShaders, gltfRuntime) {
for (var sha in parsedShaders) {
var parsedShader = parsedShaders[sha];
gltfRuntime.shaders[sha] = parsedShader;
gltfRuntime.shaderscount++;
}
};
var parseObject = function (parsedObjects, runtimeProperty, gltfRuntime) {
for (var object in parsedObjects) {
var parsedObject = parsedObjects[object];
gltfRuntime[runtimeProperty][object] = parsedObject;
}
};
/**
* Utils
*/
var normalizeUVs = function (buffer) {
if (!buffer) {
return;
}
for (var i = 0; i < buffer.length / 2; i++) {
buffer[i * 2 + 1] = 1.0 - buffer[i * 2 + 1];
}
};
var getAttribute = function (attributeParameter) {
if (attributeParameter.semantic === "NORMAL") {
return "normal";
}
else if (attributeParameter.semantic === "POSITION") {
return "position";
}
else if (attributeParameter.semantic === "JOINT") {
return "matricesIndices";
}
else if (attributeParameter.semantic === "WEIGHT") {
return "matricesWeights";
}
else if (attributeParameter.semantic === "COLOR") {
return "color";
}
else if (attributeParameter.semantic && attributeParameter.semantic.indexOf("TEXCOORD_") !== -1) {
var channel = Number(attributeParameter.semantic.split("_")[1]);
return "uv" + (channel === 0 ? "" : channel + 1);
}
return null;
};
/**
* Loads and creates animations
*/
var loadAnimations = function (gltfRuntime) {
for (var anim in gltfRuntime.animations) {
var animation = gltfRuntime.animations[anim];
if (!animation.channels || !animation.samplers) {
continue;
}
var lastAnimation = null;
for (var i = 0; i < animation.channels.length; i++) {
// Get parameters and load buffers
var channel = animation.channels[i];
var sampler = animation.samplers[channel.sampler];
if (!sampler) {
continue;
}
var inputData = null;
var outputData = null;
if (animation.parameters) {
inputData = animation.parameters[sampler.input];
outputData = animation.parameters[sampler.output];
}
else {
inputData = sampler.input;
outputData = sampler.output;
}
var bufferInput = GLTF1.GLTFUtils.GetBufferFromAccessor(gltfRuntime, gltfRuntime.accessors[inputData]);
var bufferOutput = GLTF1.GLTFUtils.GetBufferFromAccessor(gltfRuntime, gltfRuntime.accessors[outputData]);
var targetID = channel.target.id;
var targetNode = gltfRuntime.scene.getNodeByID(targetID);
if (targetNode === null) {
targetNode = gltfRuntime.scene.getNodeByName(targetID);
}
if (targetNode === null) {
BABYLON.Tools.Warn("Creating animation named " + anim + ". But cannot find node named " + targetID + " to attach to");
continue;
}
var isBone = targetNode instanceof BABYLON.Bone;
// Get target path (position, rotation or scaling)
var targetPath = channel.target.path;
var targetPathIndex = glTFAnimationPaths.indexOf(targetPath);
if (targetPathIndex !== -1) {
targetPath = babylonAnimationPaths[targetPathIndex];
}
// Determine animation type
var animationType = BABYLON.Animation.ANIMATIONTYPE_MATRIX;
if (!isBone) {
if (targetPath === "rotationQuaternion") {
animationType = BABYLON.Animation.ANIMATIONTYPE_QUATERNION;
targetNode.rotationQuaternion = new BABYLON.Quaternion();
}
else {
animationType = BABYLON.Animation.ANIMATIONTYPE_VECTOR3;
}
}
// Create animation and key frames
var babylonAnimation = null;
var keys = [];
var arrayOffset = 0;
var modifyKey = false;
if (isBone && lastAnimation && lastAnimation.getKeys().length === bufferInput.length) {
babylonAnimation = lastAnimation;
modifyKey = true;
}
if (!modifyKey) {
babylonAnimation = new BABYLON.Animation(anim, isBone ? "_matrix" : targetPath, 1, animationType, BABYLON.Animation.ANIMATIONLOOPMODE_CYCLE);
}
// For each frame
for (var j = 0; j < bufferInput.length; j++) {
var value = null;
if (targetPath === "rotationQuaternion") {
value = BABYLON.Quaternion.FromArray([bufferOutput[arrayOffset], bufferOutput[arrayOffset + 1], bufferOutput[arrayOffset + 2], bufferOutput[arrayOffset + 3]]);
arrayOffset += 4;
}
else {
value = BABYLON.Vector3.FromArray([bufferOutput[arrayOffset], bufferOutput[arrayOffset + 1], bufferOutput[arrayOffset + 2]]);
arrayOffset += 3;
}
if (isBone) {
var bone = targetNode;
var translation = BABYLON.Vector3.Zero();
var rotationQuaternion = new BABYLON.Quaternion();
var scaling = BABYLON.Vector3.Zero();
// Warning on decompose
var mat = bone.getBaseMatrix();
if (modifyKey && lastAnimation) {
mat = lastAnimation.getKeys()[j].value;
}
mat.decompose(scaling, rotationQuaternion, translation);
if (targetPath === "position") {
translation = value;
}
else if (targetPath === "rotationQuaternion") {
rotationQuaternion = value;
}
else {
scaling = value;
}
value = BABYLON.Matrix.Compose(scaling, rotationQuaternion, translation);
}
if (!modifyKey) {
keys.push({
frame: bufferInput[j],
value: value
});
}
else if (lastAnimation) {
lastAnimation.getKeys()[j].value = value;
}
}
// Finish
if (!modifyKey && babylonAnimation) {
babylonAnimation.setKeys(keys);
targetNode.animations.push(babylonAnimation);
}
lastAnimation = babylonAnimation;
gltfRuntime.scene.stopAnimation(targetNode);
gltfRuntime.scene.beginAnimation(targetNode, 0, bufferInput[bufferInput.length - 1], true, 1.0);
}
}
};
/**
* Returns the bones transformation matrix
*/
var configureBoneTransformation = function (node) {
var mat = null;
if (node.translation || node.rotation || node.scale) {
var scale = BABYLON.Vector3.FromArray(node.scale || [1, 1, 1]);
var rotation = BABYLON.Quaternion.FromArray(node.rotation || [0, 0, 0, 1]);
var position = BABYLON.Vector3.FromArray(node.translation || [0, 0, 0]);
mat = BABYLON.Matrix.Compose(scale, rotation, position);
}
else {
mat = BABYLON.Matrix.FromArray(node.matrix);
}
return mat;
};
/**
* Returns the parent bone
*/
var getParentBone = function (gltfRuntime, skins, jointName, newSkeleton) {
// Try to find
for (var i = 0; i < newSkeleton.bones.length; i++) {
if (newSkeleton.bones[i].name === jointName) {
return newSkeleton.bones[i];
}
}
// Not found, search in gltf nodes
var nodes = gltfRuntime.nodes;
for (var nde in nodes) {
var node = nodes[nde];
if (!node.jointName) {
continue;
}
var children = node.children;
for (var i = 0; i < children.length; i++) {
var child = gltfRuntime.nodes[children[i]];
if (!child.jointName) {
continue;
}
if (child.jointName === jointName) {
var mat = configureBoneTransformation(node);
var bone = new BABYLON.Bone(node.name || "", newSkeleton, getParentBone(gltfRuntime, skins, node.jointName, newSkeleton), mat);
bone.id = nde;
return bone;
}
}
}
return null;
};
/**
* Returns the appropriate root node
*/
var getNodeToRoot = function (nodesToRoot, id) {
for (var i = 0; i < nodesToRoot.length; i++) {
var nodeToRoot = nodesToRoot[i];
for (var j = 0; j < nodeToRoot.node.children.length; j++) {
var child = nodeToRoot.node.children[j];
if (child === id) {
return nodeToRoot.bone;
}
}
}
return null;
};
/**
* Returns the node with the joint name
*/
var getJointNode = function (gltfRuntime, jointName) {
var nodes = gltfRuntime.nodes;
var node = nodes[jointName];
if (node) {
return {
node: node,
id: jointName
};
}
for (var nde in nodes) {
node = nodes[nde];
if (node.jointName === jointName) {
return {
node: node,
id: nde
};
}
}
return null;
};
/**
* Checks if a nodes is in joints
*/
var nodeIsInJoints = function (skins, id) {
for (var i = 0; i < skins.jointNames.length; i++) {
if (skins.jointNames[i] === id) {
return true;
}
}
return false;
};
/**
* Fills the nodes to root for bones and builds hierarchy
*/
var getNodesToRoot = function (gltfRuntime, newSkeleton, skins, nodesToRoot) {
// Creates nodes for root
for (var nde in gltfRuntime.nodes) {
var node = gltfRuntime.nodes[nde];
var id = nde;
if (!node.jointName || nodeIsInJoints(skins, node.jointName)) {
continue;
}
// Create node to root bone
var mat = configureBoneTransformation(node);
var bone = new BABYLON.Bone(node.name || "", newSkeleton, null, mat);
bone.id = id;
nodesToRoot.push({ bone: bone, node: node, id: id });
}
// Parenting
for (var i = 0; i < nodesToRoot.length; i++) {
var nodeToRoot = nodesToRoot[i];
var children = nodeToRoot.node.children;
for (var j = 0; j < children.length; j++) {
var child = null;
for (var k = 0; k < nodesToRoot.length; k++) {
if (nodesToRoot[k].id === children[j]) {
child = nodesToRoot[k];
break;
}
}
if (child) {
child.bone._parent = nodeToRoot.bone;
nodeToRoot.bone.children.push(child.bone);
}
}
}
};
/**
* Imports a skeleton
*/
var importSkeleton = function (gltfRuntime, skins, mesh, newSkeleton, id) {
if (!newSkeleton) {
newSkeleton = new BABYLON.Skeleton(skins.name || "", "", gltfRuntime.scene);
}
if (!skins.babylonSkeleton) {
return newSkeleton;
}
// Find the root bones
var nodesToRoot = [];
var nodesToRootToAdd = [];
getNodesToRoot(gltfRuntime, newSkeleton, skins, nodesToRoot);
newSkeleton.bones = [];
// Joints
for (var i = 0; i < skins.jointNames.length; i++) {
var jointNode = getJointNode(gltfRuntime, skins.jointNames[i]);
if (!jointNode) {
continue;
}
var node = jointNode.node;
if (!node) {
BABYLON.Tools.Warn("Joint named " + skins.jointNames[i] + " does not exist");
continue;
}
var id = jointNode.id;
// Optimize, if the bone already exists...
var existingBone = gltfRuntime.scene.getBoneByID(id);
if (existingBone) {
newSkeleton.bones.push(existingBone);
continue;
}
// Search for parent bone
var foundBone = false;
var parentBone = null;
for (var j = 0; j < i; j++) {
var jointNode_1 = getJointNode(gltfRuntime, skins.jointNames[j]);
if (!jointNode_1) {
continue;
}
var joint = jointNode_1.node;
if (!joint) {
BABYLON.Tools.Warn("Joint named " + skins.jointNames[j] + " does not exist when looking for parent");
continue;
}
var children = joint.children;
if (!children) {
continue;
}
foundBone = false;
for (var k = 0; k < children.length; k++) {
if (children[k] === id) {
parentBone = getParentBone(gltfRuntime, skins, skins.jointNames[j], newSkeleton);
foundBone = true;
break;
}
}
if (foundBone) {
break;
}
}
// Create bone
var mat = configureBoneTransformation(node);
if (!parentBone && nodesToRoot.length > 0) {
parentBone = getNodeToRoot(nodesToRoot, id);
if (parentBone) {
if (nodesToRootToAdd.indexOf(parentBone) === -1) {
nodesToRootToAdd.push(parentBone);
}
}
}
var bone = new BABYLON.Bone(node.jointName || "", newSkeleton, parentBone, mat);
bone.id = id;
}
// Polish
var bones = newSkeleton.bones;
newSkeleton.bones = [];
for (var i = 0; i < skins.jointNames.length; i++) {
var jointNode = getJointNode(gltfRuntime, skins.jointNames[i]);
if (!jointNode) {
continue;
}
for (var j = 0; j < bones.length; j++) {
if (bones[j].id === jointNode.id) {
newSkeleton.bones.push(bones[j]);
break;
}
}
}
newSkeleton.prepare();
// Finish
for (var i = 0; i < nodesToRootToAdd.length; i++) {
newSkeleton.bones.push(nodesToRootToAdd[i]);
}
return newSkeleton;
};
/**
* Imports a mesh and its geometries
*/
var importMesh = function (gltfRuntime, node, meshes, id, newMesh) {
if (!newMesh) {
newMesh = new BABYLON.Mesh(node.name || "", gltfRuntime.scene);
newMesh.id = id;
}
if (!node.babylonNode) {
return newMesh;
}
var subMaterials = [];
var vertexData = new BABYLON.VertexData();
var geometry = new BABYLON.Geometry(id, gltfRuntime.scene, vertexData, false, newMesh);
var verticesStarts = new Array();
var verticesCounts = new Array();
var indexStarts = new Array();
var indexCounts = new Array();
for (var meshIndex = 0; meshIndex < meshes.length; meshIndex++) {
var meshID = meshes[meshIndex];
var mesh = gltfRuntime.meshes[meshID];
if (!mesh) {
continue;
}
// Positions, normals and UVs
for (var i = 0; i < mesh.primitives.length; i++) {
// Temporary vertex data
var tempVertexData = new BABYLON.VertexData();
var primitive = mesh.primitives[i];
if (primitive.mode !== 4) {
// continue;
}
var attributes = primitive.attributes;
var accessor = null;
var buffer = null;
// Set positions, normal and uvs
for (var semantic in attributes) {
// Link accessor and buffer view
accessor = gltfRuntime.accessors[attributes[semantic]];
buffer = GLTF1.GLTFUtils.GetBufferFromAccessor(gltfRuntime, accessor);
if (semantic === "NORMAL") {
tempVertexData.normals = new Float32Array(buffer.length);
tempVertexData.normals.set(buffer);
}
else if (semantic === "POSITION") {
if (BABYLON.GLTFFileLoader.HomogeneousCoordinates) {
tempVertexData.positions = new Float32Array(buffer.length - buffer.length / 4);
for (var j = 0; j < buffer.length; j += 4) {
tempVertexData.positions[j] = buffer[j];
tempVertexData.positions[j + 1] = buffer[j + 1];
tempVertexData.positions[j + 2] = buffer[j + 2];
}
}
else {
tempVertexData.positions = new Float32Array(buffer.length);
tempVertexData.positions.set(buffer);
}
verticesCounts.push(tempVertexData.positions.length);
}
else if (semantic.indexOf("TEXCOORD_") !== -1) {
var channel = Number(semantic.split("_")[1]);
var uvKind = BABYLON.VertexBuffer.UVKind + (channel === 0 ? "" : (channel + 1));
var uvs = new Float32Array(buffer.length);
uvs.set(buffer);
normalizeUVs(uvs);
tempVertexData.set(uvs, uvKind);
}
else if (semantic === "JOINT") {
tempVertexData.matricesIndices = new Float32Array(buffer.length);
tempVertexData.matricesIndices.set(buffer);
}
else if (semantic === "WEIGHT") {
tempVertexData.matricesWeights = new Float32Array(buffer.length);
tempVertexData.matricesWeights.set(buffer);
}
else if (semantic === "COLOR") {
tempVertexData.colors = new Float32Array(buffer.length);
tempVertexData.colors.set(buffer);
}
}
// Indices
accessor = gltfRuntime.accessors[primitive.indices];
if (accessor) {
buffer = GLTF1.GLTFUtils.GetBufferFromAccessor(gltfRuntime, accessor);
tempVertexData.indices = new Int32Array(buffer.length);
tempVertexData.indices.set(buffer);
indexCounts.push(tempVertexData.indices.length);
}
else {
// Set indices on the fly
var indices = [];
for (var j = 0; j < tempVertexData.positions.length / 3; j++) {
indices.push(j);
}
tempVertexData.indices = new Int32Array(indices);
indexCounts.push(tempVertexData.indices.length);
}
vertexData.merge(tempVertexData);
// Sub material
var material_1 = gltfRuntime.scene.getMaterialByID(primitive.material);
subMaterials.push(material_1 === null ? GLTF1.GLTFUtils.GetDefaultMaterial(gltfRuntime.scene) : material_1);
// Update vertices start and index start
verticesStarts.push(verticesStarts.length === 0 ? 0 : verticesStarts[verticesStarts.length - 1] + verticesCounts[verticesCounts.length - 2]);
indexStarts.push(indexStarts.length === 0 ? 0 : indexStarts[indexStarts.length - 1] + indexCounts[indexCounts.length - 2]);
}
}
var material;
if (subMaterials.length > 1) {
material = new BABYLON.MultiMaterial("multimat" + id, gltfRuntime.scene);
material.subMaterials = subMaterials;
}
else {
material = new BABYLON.StandardMaterial("multimat" + id, gltfRuntime.scene);
}
if (subMaterials.length === 1) {
material = subMaterials[0];
}
if (!newMesh.material) {
newMesh.material = material;
}
// Apply geometry
geometry.setAllVerticesData(vertexData, false);
newMesh.computeWorldMatrix(true);
// Apply submeshes
newMesh.subMeshes = [];
var index = 0;
for (var meshIndex = 0; meshIndex < meshes.length; meshIndex++) {
var meshID = meshes[meshIndex];
var mesh = gltfRuntime.meshes[meshID];
if (!mesh) {
continue;
}
for (var i = 0; i < mesh.primitives.length; i++) {
if (mesh.primitives[i].mode !== 4) {
//continue;
}
BABYLON.SubMesh.AddToMesh(index, verticesStarts[index], verticesCounts[index], indexStarts[index], indexCounts[index], newMesh, newMesh, true);
index++;
}
}
// Finish
return newMesh;
};
/**
* Configure node transformation from position, rotation and scaling
*/
var configureNode = function (newNode, position, rotation, scaling) {
if (newNode.position) {
newNode.position = position;
}
if (newNode.rotationQuaternion || newNode.rotation) {
newNode.rotationQuaternion = rotation;
}
if (newNode.scaling) {
newNode.scaling = scaling;
}
};
/**
* Configures node from transformation matrix
*/
var configureNodeFromMatrix = function (newNode, node, parent) {
if (node.matrix) {
var position = new BABYLON.Vector3(0, 0, 0);
var rotation = new BABYLON.Quaternion();
var scaling = new BABYLON.Vector3(0, 0, 0);
var mat = BABYLON.Matrix.FromArray(node.matrix);
mat.decompose(scaling, rotation, position);
configureNode(newNode, position, rotation, scaling);
}
else if (node.translation && node.rotation && node.scale) {
configureNode(newNode, BABYLON.Vector3.FromArray(node.translation), BABYLON.Quaternion.FromArray(node.rotation), BABYLON.Vector3.FromArray(node.scale));
}
newNode.computeWorldMatrix(true);
};
/**
* Imports a node
*/
var importNode = function (gltfRuntime, node, id, parent) {
var lastNode = null;
if (gltfRuntime.importOnlyMeshes && (node.skin || node.meshes)) {
if (gltfRuntime.importMeshesNames && gltfRuntime.importMeshesNames.length > 0 && gltfRuntime.importMeshesNames.indexOf(node.name || "") === -1) {
return null;
}
}
// Meshes
if (node.skin) {
if (node.meshes) {
var skin = gltfRuntime.skins[node.skin];
var newMesh = importMesh(gltfRuntime, node, node.meshes, id, node.babylonNode);
newMesh.skeleton = gltfRuntime.scene.getLastSkeletonByID(node.skin);
if (newMesh.skeleton === null) {
newMesh.skeleton = importSkeleton(gltfRuntime, skin, newMesh, skin.babylonSkeleton, node.skin);
if (!skin.babylonSkeleton) {
skin.babylonSkeleton = newMesh.skeleton;
}
}
lastNode = newMesh;
}
}
else if (node.meshes) {
/**
* Improve meshes property
*/
var newMesh = importMesh(gltfRuntime, node, node.mesh ? [node.mesh] : node.meshes, id, node.babylonNode);
lastNode = newMesh;
}
else if (node.light && !node.babylonNode && !gltfRuntime.importOnlyMeshes) {
var light = gltfRuntime.lights[node.light];
if (light) {
if (light.type === "ambient") {
var ambienLight = light[light.type];
var hemiLight = new BABYLON.HemisphericLight(node.light, BABYLON.Vector3.Zero(), gltfRuntime.scene);
hemiLight.name = node.name || "";
if (ambienLight.color) {
hemiLight.diffuse = BABYLON.Color3.FromArray(ambienLight.color);
}
lastNode = hemiLight;
}
else if (light.type === "directional") {
var directionalLight = light[light.type];
var dirLight = new BABYLON.DirectionalLight(node.light, BABYLON.Vector3.Zero(), gltfRuntime.scene);
dirLight.name = node.name || "";
if (directionalLight.color) {
dirLight.diffuse = BABYLON.Color3.FromArray(directionalLight.color);
}
lastNode = dirLight;
}
else if (light.type === "point") {
var pointLight = light[light.type];
var ptLight = new BABYLON.PointLight(node.light, BABYLON.Vector3.Zero(), gltfRuntime.scene);
ptLight.name = node.name || "";
if (pointLight.color) {
ptLight.diffuse = BABYLON.Color3.FromArray(pointLight.color);
}
lastNode = ptLight;
}
else if (light.type === "spot") {
var spotLight = light[light.type];
var spLight = new BABYLON.SpotLight(node.light, BABYLON.Vector3.Zero(), BABYLON.Vector3.Zero(), 0, 0, gltfRuntime.scene);
spLight.name = node.name || "";
if (spotLight.color) {
spLight.diffuse = BABYLON.Color3.FromArray(spotLight.color);
}
if (spotLight.fallOfAngle) {
spLight.angle = spotLight.fallOfAngle;
}
if (spotLight.fallOffExponent) {
spLight.exponent = spotLight.fallOffExponent;
}
lastNode = spLight;
}
}
}
else if (node.camera && !node.babylonNode && !gltfRuntime.importOnlyMeshes) {
var camera = gltfRuntime.cameras[node.camera];
if (camera) {
if (camera.type === "orthographic") {
var orthoCamera = new BABYLON.FreeCamera(node.camera, BABYLON.Vector3.Zero(), gltfRuntime.scene);
orthoCamera.name = node.name || "";
orthoCamera.mode = BABYLON.Camera.ORTHOGRAPHIC_CAMERA;
orthoCamera.attachControl(gltfRuntime.scene.getEngine().getRenderingCanvas());
lastNode = orthoCamera;
}
else if (camera.type === "perspective") {
var perspectiveCamera = camera[camera.type];
var persCamera = new BABYLON.FreeCamera(node.camera, BABYLON.Vector3.Zero(), gltfRuntime.scene);
persCamera.name = node.name || "";
persCamera.attachControl(gltfRuntime.scene.getEngine().getRenderingCanvas());
if (!perspectiveCamera.aspectRatio) {
perspectiveCamera.aspectRatio = gltfRuntime.scene.getEngine().getRenderWidth() / gltfRuntime.scene.getEngine().getRenderHeight();
}
if (perspectiveCamera.znear && perspectiveCamera.zfar) {
persCamera.maxZ = perspectiveCamera.zfar;
persCamera.minZ = perspectiveCamera.znear;
}
lastNode = persCamera;
}
}
}
// Empty node
if (!node.jointName) {
if (node.babylonNode) {
return node.babylonNode;
}
else if (lastNode === null) {
var dummy = new BABYLON.Mesh(node.name || "", gltfRuntime.scene);
node.babylonNode = dummy;
lastNode = dummy;
}
}
if (lastNode !== null) {
if (node.matrix && lastNode instanceof BABYLON.Mesh) {
configureNodeFromMatrix(lastNode, node, parent);
}
else {
var translation = node.translation || [0, 0, 0];
var rotation = node.rotation || [0, 0, 0, 1];
var scale = node.scale || [1, 1, 1];
configureNode(lastNode, BABYLON.Vector3.FromArray(translation), BABYLON.Quaternion.FromArray(rotation), BABYLON.Vector3.FromArray(scale));
}
lastNode.updateCache(true);
node.babylonNode = lastNode;
}
return lastNode;
};
/**
* Traverses nodes and creates them
*/
var traverseNodes = function (gltfRuntime, id, parent, meshIncluded) {
if (meshIncluded === void 0) { meshIncluded = false; }
var node = gltfRuntime.nodes[id];
var newNode = null;
if (gltfRuntime.importOnlyMeshes && !meshIncluded && gltfRuntime.importMeshesNames) {
if (gltfRuntime.importMeshesNames.indexOf(node.name || "") !== -1 || gltfRuntime.importMeshesNames.length === 0) {
meshIncluded = true;
}
else {
meshIncluded = false;
}
}
else {
meshIncluded = true;
}
if (!node.jointName && meshIncluded) {
newNode = importNode(gltfRuntime, node, id, parent);
if (newNode !== null) {
newNode.id = id;
newNode.parent = parent;
}
}
if (node.children) {
for (var i = 0; i < node.children.length; i++) {
traverseNodes(gltfRuntime, node.children[i], newNode, meshIncluded);
}
}
};
/**
* do stuff after buffers, shaders are loaded (e.g. hook up materials, load animations, etc.)
*/
var postLoad = function (gltfRuntime) {
// Nodes
var currentScene = gltfRuntime.currentScene;
if (currentScene) {
for (var i = 0; i < currentScene.nodes.length; i++) {
traverseNodes(gltfRuntime, currentScene.nodes[i], null);
}
}
else {
for (var thing in gltfRuntime.scenes) {
currentScene = gltfRuntime.scenes[thing];
for (var i = 0; i < currentScene.nodes.length; i++) {
traverseNodes(gltfRuntime, currentScene.nodes[i], null);
}
}
}
// Set animations
loadAnimations(gltfRuntime);
for (var i = 0; i < gltfRuntime.scene.skeletons.length; i++) {
var skeleton = gltfRuntime.scene.skeletons[i];
gltfRuntime.scene.beginAnimation(skeleton, 0, Number.MAX_VALUE, true, 1.0);
}
};
/**
* onBind shaderrs callback to set uniforms and matrices
*/
var onBindShaderMaterial = function (mesh, gltfRuntime, unTreatedUniforms, shaderMaterial, technique, material, onSuccess) {
var materialValues = material.values || technique.parameters;
for (var unif in unTreatedUniforms) {
var uniform = unTreatedUniforms[unif];
var type = uniform.type;
if (type === GLTF1.EParameterType.FLOAT_MAT2 || type === GLTF1.EParameterType.FLOAT_MAT3 || type === GLTF1.EParameterType.FLOAT_MAT4) {
if (uniform.semantic && !uniform.source && !uniform.node) {
GLTF1.GLTFUtils.SetMatrix(gltfRuntime.scene, mesh, uniform, unif, shaderMaterial.getEffect());
}
else if (uniform.semantic && (uniform.source || uniform.node)) {
var source = gltfRuntime.scene.getNodeByName(uniform.source || uniform.node || "");
if (source === null) {
source = gltfRuntime.scene.getNodeByID(uniform.source || uniform.node || "");
}
if (source === null) {
continue;
}
GLTF1.GLTFUtils.SetMatrix(gltfRuntime.scene, source, uniform, unif, shaderMaterial.getEffect());
}
}
else {
var value = materialValues[technique.uniforms[unif]];
if (!value) {
continue;
}
if (type === GLTF1.EParameterType.SAMPLER_2D) {
var texture = gltfRuntime.textures[material.values ? value : uniform.value].babylonTexture;
if (texture === null || texture === undefined) {
continue;
}
shaderMaterial.getEffect().setTexture(unif, texture);
}
else {
GLTF1.GLTFUtils.SetUniform((shaderMaterial.getEffect()), unif, value, type);
}
}
}
onSuccess(shaderMaterial);
};
/**
* Prepare uniforms to send the only one time
* Loads the appropriate textures
*/
var prepareShaderMaterialUniforms = function (gltfRuntime, shaderMaterial, technique, material, unTreatedUniforms) {
var materialValues = material.values || technique.parameters;
var techniqueUniforms = technique.uniforms;
/**
* Prepare values here (not matrices)
*/
for (var unif in unTreatedUniforms) {
var uniform = unTreatedUniforms[unif];
var type = uniform.type;
var value = materialValues[techniqueUniforms[unif]];
if (value === undefined) {
// In case the value is the same for all materials
value = uniform.value;
}
if (!value) {
continue;
}
var onLoadTexture = function (uniformName) {
return function (texture) {
if (uniform.value && uniformName) {
// Static uniform
shaderMaterial.setTexture(uniformName, texture);
delete unTreatedUniforms[uniformName];
}
};
};
// Texture (sampler2D)
if (type === GLTF1.EParameterType.SAMPLER_2D) {
GLTF1.GLTFLoaderExtension.LoadTextureAsync(gltfRuntime, material.values ? value : uniform.value, onLoadTexture(unif), function () { return onLoadTexture(null); });
}
else {
if (uniform.value && GLTF1.GLTFUtils.SetUniform(shaderMaterial, unif, material.values ? value : uniform.value, type)) {
// Static uniform
delete unTreatedUniforms[unif];
}
}
}
};
/**
* Shader compilation failed
*/
var onShaderCompileError = function (program, shaderMaterial, onError) {
return function (effect, error) {
shaderMaterial.dispose(true);
onError("Cannot compile program named " + program.name + ". Error: " + error + ". Default material will be applied");
};
};
/**
* Shader compilation success
*/
var onShaderCompileSuccess = function (gltfRuntime, shaderMaterial, technique, material, unTreatedUniforms, onSuccess) {
return function (_) {
prepareShaderMaterialUniforms(gltfRuntime, shaderMaterial, technique, material, unTreatedUniforms);
shaderMaterial.onBind = function (mesh) {
onBindShaderMaterial(mesh, gltfRuntime, unTreatedUniforms, shaderMaterial, technique, material, onSuccess);
};
};
};
/**
* Returns the appropriate uniform if already handled by babylon
*/
var parseShaderUniforms = function (tokenizer, technique, unTreatedUniforms) {
for (var unif in technique.uniforms) {
var uniform = technique.uniforms[unif];
var uniformParameter = technique.parameters[uniform];
if (tokenizer.currentIdentifier === unif) {
if (uniformParameter.semantic && !uniformParameter.source && !uniformParameter.node) {
var transformIndex = glTFTransforms.indexOf(uniformParameter.semantic);
if (transformIndex !== -1) {
delete unTreatedUniforms[unif];
return babylonTransforms[transformIndex];
}
}
}
}
return tokenizer.currentIdentifier;
};
/**
* All shaders loaded. Create materials one by one
*/
var importMaterials = function (gltfRuntime) {
// Create materials
for (var mat in gltfRuntime.materials) {
GLTF1.GLTFLoaderExtension.LoadMaterialAsync(gltfRuntime, mat, function (material) { }, function () { });
}
};
/**
* Implementation of the base glTF spec
*/
var GLTFLoaderBase = /** @class */ (function () {
function GLTFLoaderBase() {
}
GLTFLoaderBase.CreateRuntime = function (parsedData, scene, rootUrl) {
var gltfRuntime = {
extensions: {},
accessors: {},
buffers: {},
bufferViews: {},
meshes: {},
lights: {},
cameras: {},
nodes: {},
images: {},
textures: {},
shaders: {},
programs: {},
samplers: {},
techniques: {},
materials: {},
animations: {},
skins: {},
extensionsUsed: [],
scenes: {},
buffersCount: 0,
shaderscount: 0,
scene: scene,
rootUrl: rootUrl,
loadedBufferCount: 0,
loadedBufferViews: {},
loadedShaderCount: 0,
importOnlyMeshes: false,
dummyNodes: []
};
// Parse
if (parsedData.extensions) {
parseObject(parsedData.extensions, "extensions", gltfRuntime);
}
if (parsedData.extensionsUsed) {
parseObject(parsedData.extensionsUsed, "extensionsUsed", gltfRuntime);
}
if (parsedData.buffers) {
parseBuffers(parsedData.buffers, gltfRuntime);
}
if (parsedData.bufferViews) {
parseObject(parsedData.bufferViews, "bufferViews", gltfRuntime);
}
if (parsedData.accessors) {
parseObject(parsedData.accessors, "accessors", gltfRuntime);
}
if (parsedData.meshes) {
parseObject(parsedData.meshes, "meshes", gltfRuntime);
}
if (parsedData.lights) {
parseObject(parsedData.lights, "lights", gltfRuntime);
}
if (parsedData.cameras) {
parseObject(parsedData.cameras, "cameras", gltfRuntime);
}
if (parsedData.nodes) {
parseObject(parsedData.nodes, "nodes", gltfRuntime);
}
if (parsedData.images) {
parseObject(parsedData.images, "images", gltfRuntime);
}
if (parsedData.textures) {
parseObject(parsedData.textures, "textures", gltfRuntime);
}
if (parsedData.shaders) {
parseShaders(parsedData.shaders, gltfRuntime);
}
if (parsedData.programs) {
parseObject(parsedData.programs, "programs", gltfRuntime);
}
if (parsedData.samplers) {
parseObject(parsedData.samplers, "samplers", gltfRuntime);
}
if (parsedData.techniques) {
parseObject(parsedData.techniques, "techniques", gltfRuntime);
}
if (parsedData.materials) {
parseObject(parsedData.materials, "materials", gltfRuntime);
}
if (parsedData.animations) {
parseObject(parsedData.animations, "animations", gltfRuntime);
}
if (parsedData.skins) {
parseObject(parsedData.skins, "skins", gltfRuntime);
}
if (parsedData.scenes) {
gltfRuntime.scenes = parsedData.scenes;
}
if (parsedData.scene && parsedData.scenes) {
gltfRuntime.currentScene = parsedData.scenes[parsedData.scene];
}
return gltfRuntime;
};
GLTFLoaderBase.LoadBufferAsync = function (gltfRuntime, id, onSuccess, onError, onProgress) {
var buffer = gltfRuntime.buffers[id];
if (GLTF1.GLTFUtils.IsBase64(buffer.uri)) {
setTimeout(function () { return onSuccess(new Uint8Array(GLTF1.GLTFUtils.DecodeBase64(buffer.uri))); });
}
else {
BABYLON.Tools.LoadFile(gltfRuntime.rootUrl + buffer.uri, function (data) { return onSuccess(new Uint8Array(data)); }, onProgress, undefined, true, function (request) {
if (request) {
onError(request.status + " " + request.statusText);
}
});
}
};
GLTFLoaderBase.LoadTextureBufferAsync = function (gltfRuntime, id, onSuccess, onError) {
var texture = gltfRuntime.textures[id];
if (!texture || !texture.source) {
onError("");
return;
}
if (texture.babylonTexture) {
onSuccess(null);
return;
}
var source = gltfRuntime.images[texture.source];
if (GLTF1.GLTFUtils.IsBase64(source.uri)) {
setTimeout(function () { return onSuccess(new Uint8Array(GLTF1.GLTFUtils.DecodeBase64(source.uri))); });
}
else {
BABYLON.Tools.LoadFile(gltfRuntime.rootUrl + source.uri, function (data) { return onSuccess(new Uint8Array(data)); }, undefined, undefined, true, function (request) {
if (request) {
onError(request.status + " " + request.statusText);
}
});
}
};
GLTFLoaderBase.CreateTextureAsync = function (gltfRuntime, id, buffer, onSuccess, onError) {
var texture = gltfRuntime.textures[id];
if (texture.babylonTexture) {
onSuccess(texture.babylonTexture);
return;
}
var sampler = gltfRuntime.samplers[texture.sampler];
var createMipMaps = (sampler.minFilter === GLTF1.ETextureFilterType.NEAREST_MIPMAP_NEAREST) ||
(sampler.minFilter === GLTF1.ETextureFilterType.NEAREST_MIPMAP_LINEAR) ||
(sampler.minFilter === GLTF1.ETextureFilterType.LINEAR_MIPMAP_NEAREST) ||
(sampler.minFilter === GLTF1.ETextureFilterType.LINEAR_MIPMAP_LINEAR);
var samplingMode = BABYLON.Texture.BILINEAR_SAMPLINGMODE;
var blob = new Blob([buffer]);
var blobURL = URL.createObjectURL(blob);
var revokeBlobURL = function () { return URL.revokeObjectURL(blobURL); };
var newTexture = new BABYLON.Texture(blobURL, gltfRuntime.scene, !createMipMaps, true, samplingMode, revokeBlobURL, revokeBlobURL);
if (sampler.wrapS !== undefined) {
newTexture.wrapU = GLTF1.GLTFUtils.GetWrapMode(sampler.wrapS);
}
if (sampler.wrapT !== undefined) {
newTexture.wrapV = GLTF1.GLTFUtils.GetWrapMode(sampler.wrapT);
}
newTexture.name = id;
texture.babylonTexture = newTexture;
onSuccess(newTexture);
};
GLTFLoaderBase.LoadShaderStringAsync = function (gltfRuntime, id, onSuccess, onError) {
var shader = gltfRuntime.shaders[id];
if (GLTF1.GLTFUtils.IsBase64(shader.uri)) {
var shaderString = atob(shader.uri.split(",")[1]);
onSuccess(shaderString);
}
else {
BABYLON.Tools.LoadFile(gltfRuntime.rootUrl + shader.uri, onSuccess, undefined, undefined, false, function (request) {
if (request) {
onError(request.status + " " + request.statusText);
}
});
}
};
GLTFLoaderBase.LoadMaterialAsync = function (gltfRuntime, id, onSuccess, onError) {
var material = gltfRuntime.materials[id];
if (!material.technique) {
if (onError) {
onError("No technique found.");
}
return;
}
var technique = gltfRuntime.techniques[material.technique];
if (!technique) {
var defaultMaterial = new BABYLON.StandardMaterial(id, gltfRuntime.scene);
defaultMaterial.diffuseColor = new BABYLON.Color3(0.5, 0.5, 0.5);
defaultMaterial.sideOrientation = BABYLON.Material.CounterClockWiseSideOrientation;
onSuccess(defaultMaterial);
return;
}
var program = gltfRuntime.programs[technique.program];
var states = technique.states;
var vertexShader = BABYLON.Effect.ShadersStore[program.vertexShader + "VertexShader"];
var pixelShader = BABYLON.Effect.ShadersStore[program.fragmentShader + "PixelShader"];
var newVertexShader = "";
var newPixelShader = "";
var vertexTokenizer = new Tokenizer(vertexShader);
var pixelTokenizer = new Tokenizer(pixelShader);
var unTreatedUniforms = {};
var uniforms = [];
var attributes = [];
var samplers = [];
// Fill uniform, sampler2D and attributes
for (var unif in technique.uniforms) {
var uniform = technique.uniforms[unif];
var uniformParameter = technique.parameters[uniform];
unTreatedUniforms[unif] = uniformParameter;
if (uniformParameter.semantic && !uniformParameter.node && !uniformParameter.source) {
var transformIndex = glTFTransforms.indexOf(uniformParameter.semantic);
if (transformIndex !== -1) {
uniforms.push(babylonTransforms[transformIndex]);
delete unTreatedUniforms[unif];
}
else {
uniforms.push(unif);
}
}
else if (uniformParameter.type === GLTF1.EParameterType.SAMPLER_2D) {
samplers.push(unif);
}
else {
uniforms.push(unif);
}
}
for (var attr in technique.attributes) {
var attribute = technique.attributes[attr];
var attributeParameter = technique.parameters[attribute];
if (attributeParameter.semantic) {
attributes.push(getAttribute(attributeParameter));
}
}
// Configure vertex shader
while (!vertexTokenizer.isEnd() && vertexTokenizer.getNextToken()) {
var tokenType = vertexTokenizer.currentToken;
if (tokenType !== ETokenType.IDENTIFIER) {
newVertexShader += vertexTokenizer.currentString;
continue;
}
var foundAttribute = false;
for (var attr in technique.attributes) {
var attribute = technique.attributes[attr];
var attributeParameter = technique.parameters[attribute];
if (vertexTokenizer.currentIdentifier === attr && attributeParameter.semantic) {
newVertexShader += getAttribute(attributeParameter);
foundAttribute = true;
break;
}
}
if (foundAttribute) {
continue;
}
newVertexShader += parseShaderUniforms(vertexTokenizer, technique, unTreatedUniforms);
}
// Configure pixel shader
while (!pixelTokenizer.isEnd() && pixelTokenizer.getNextToken()) {
var tokenType = pixelTokenizer.currentToken;
if (tokenType !== ETokenType.IDENTIFIER) {
newPixelShader += pixelTokenizer.currentString;
continue;
}
newPixelShader += parseShaderUniforms(pixelTokenizer, technique, unTreatedUniforms);
}
// Create shader material
var shaderPath = {
vertex: program.vertexShader + id,
fragment: program.fragmentShader + id
};
var options = {
attributes: attributes,
uniforms: uniforms,
samplers: samplers,
needAlphaBlending: states && states.enable && states.enable.indexOf(3042) !== -1
};
BABYLON.Effect.ShadersStore[program.vertexShader + id + "VertexShader"] = newVertexShader;
BABYLON.Effect.ShadersStore[program.fragmentShader + id + "PixelShader"] = newPixelShader;
var shaderMaterial = new BABYLON.ShaderMaterial(id, gltfRuntime.scene, shaderPath, options);
shaderMaterial.onError = onShaderCompileError(program, shaderMaterial, onError);
shaderMaterial.onCompiled = onShaderCompileSuccess(gltfRuntime, shaderMaterial, technique, material, unTreatedUniforms, onSuccess);
shaderMaterial.sideOrientation = BABYLON.Material.CounterClockWiseSideOrientation;
if (states && states.functions) {
var functions = states.functions;
if (functions.cullFace && functions.cullFace[0] !== GLTF1.ECullingType.BACK) {
shaderMaterial.backFaceCulling = false;
}
var blendFunc = functions.blendFuncSeparate;
if (blendFunc) {
if (blendFunc[0] === GLTF1.EBlendingFunction.SRC_ALPHA && blendFunc[1] === GLTF1.EBlendingFunction.ONE_MINUS_SRC_ALPHA && blendFunc[2] === GLTF1.EBlendingFunction.ONE && blendFunc[3] === GLTF1.EBlendingFunction.ONE) {
shaderMaterial.alphaMode = BABYLON.Engine.ALPHA_COMBINE;
}
else if (blendFunc[0] === GLTF1.EBlendingFunction.ONE && blendFunc[1] === GLTF1.EBlendingFunction.ONE && blendFunc[2] === GLTF1.EBlendingFunction.ZERO && blendFunc[3] === GLTF1.EBlendingFunction.ONE) {
shaderMaterial.alphaMode = BABYLON.Engine.ALPHA_ONEONE;
}
else if (blendFunc[0] === GLTF1.EBlendingFunction.SRC_ALPHA && blendFunc[1] === GLTF1.EBlendingFunction.ONE && blendFunc[2] === GLTF1.EBlendingFunction.ZERO && blendFunc[3] === GLTF1.EBlendingFunction.ONE) {
shaderMaterial.alphaMode = BABYLON.Engine.ALPHA_ADD;
}
else if (blendFunc[0] === GLTF1.EBlendingFunction.ZERO && blendFunc[1] === GLTF1.EBlendingFunction.ONE_MINUS_SRC_COLOR && blendFunc[2] === GLTF1.EBlendingFunction.ONE && blendFunc[3] === GLTF1.EBlendingFunction.ONE) {
shaderMaterial.alphaMode = BABYLON.Engine.ALPHA_SUBTRACT;
}
else if (blendFunc[0] === GLTF1.EBlendingFunction.DST_COLOR && blendFunc[1] === GLTF1.EBlendingFunction.ZERO && blendFunc[2] === GLTF1.EBlendingFunction.ONE && blendFunc[3] === GLTF1.EBlendingFunction.ONE) {
shaderMaterial.alphaMode = BABYLON.Engine.ALPHA_MULTIPLY;
}
else if (blendFunc[0] === GLTF1.EBlendingFunction.SRC_ALPHA && blendFunc[1] === GLTF1.EBlendingFunction.ONE_MINUS_SRC_COLOR && blendFunc[2] === GLTF1.EBlendingFunction.ONE && blendFunc[3] === GLTF1.EBlendingFunction.ONE) {
shaderMaterial.alphaMode = BABYLON.Engine.ALPHA_MAXIMIZED;
}
}
}
};
return GLTFLoaderBase;
}());
GLTF1.GLTFLoaderBase = GLTFLoaderBase;
/**
* glTF V1 Loader
*/
var GLTFLoader = /** @class */ (function () {
function GLTFLoader() {
// #region Stubs for IGLTFLoader interface
this.coordinateSystemMode = BABYLON.GLTFLoaderCoordinateSystemMode.AUTO;
this.animationStartMode = BABYLON.GLTFLoaderAnimationStartMode.FIRST;
this.compileMaterials = false;
this.useClipPlane = false;
this.compileShadowGenerators = false;
this.onDisposeObservable = new BABYLON.Observable();
this.onMeshLoadedObservable = new BABYLON.Observable();
this.onTextureLoadedObservable = new BABYLON.Observable();
this.onMaterialLoadedObservable = new BABYLON.Observable();
this.onCompleteObservable = new BABYLON.Observable();
}
GLTFLoader.RegisterExtension = function (extension) {
if (GLTFLoader.Extensions[extension.name]) {
BABYLON.Tools.Error("Tool with the same name \"" + extension.name + "\" already exists");
return;
}
GLTFLoader.Extensions[extension.name] = extension;
};
GLTFLoader.prototype.dispose = function () { };
// #endregion
GLTFLoader.prototype.importMeshAsync = function (meshesNames, scene, data, rootUrl, onSuccess, onProgress, onError) {
var _this = this;
scene.useRightHandedSystem = true;
GLTF1.GLTFLoaderExtension.LoadRuntimeAsync(scene, data, rootUrl, function (gltfRuntime) {
gltfRuntime.importOnlyMeshes = true;
if (meshesNames === "") {
gltfRuntime.importMeshesNames = [];
}
else if (typeof meshesNames === "string") {
gltfRuntime.importMeshesNames = [meshesNames];
}
else if (meshesNames && !(meshesNames instanceof Array)) {
gltfRuntime.importMeshesNames = [meshesNames];
}
else {
gltfRuntime.importMeshesNames = [];
BABYLON.Tools.Warn("Argument meshesNames must be of type string or string[]");
}
// Create nodes
_this._createNodes(gltfRuntime);
var meshes = new Array();
var skeletons = new Array();
// Fill arrays of meshes and skeletons
for (var nde in gltfRuntime.nodes) {
var node = gltfRuntime.nodes[nde];
if (node.babylonNode instanceof BABYLON.AbstractMesh) {
meshes.push(node.babylonNode);
}
}
for (var skl in gltfRuntime.skins) {
var skin = gltfRuntime.skins[skl];
if (skin.babylonSkeleton instanceof BABYLON.Skeleton) {
skeletons.push(skin.babylonSkeleton);
}
}
// Load buffers, shaders, materials, etc.
_this._loadBuffersAsync(gltfRuntime, function () {
_this._loadShadersAsync(gltfRuntime, function () {
importMaterials(gltfRuntime);
postLoad(gltfRuntime);
if (!BABYLON.GLTFFileLoader.IncrementalLoading && onSuccess) {
onSuccess(meshes, [], skeletons);
}
});
}, onProgress);
if (BABYLON.GLTFFileLoader.IncrementalLoading && onSuccess) {
onSuccess(meshes, [], skeletons);
}
}, onError);
return true;
};
GLTFLoader.prototype.loadAsync = function (scene, data, rootUrl, onSuccess, onProgress, onError) {
var _this = this;
scene.useRightHandedSystem = true;
GLTF1.GLTFLoaderExtension.LoadRuntimeAsync(scene, data, rootUrl, function (gltfRuntime) {
// Load runtime extensios
GLTF1.GLTFLoaderExtension.LoadRuntimeExtensionsAsync(gltfRuntime, function () {
// Create nodes
_this._createNodes(gltfRuntime);
// Load buffers, shaders, materials, etc.
_this._loadBuffersAsync(gltfRuntime, function () {
_this._loadShadersAsync(gltfRuntime, function () {
importMaterials(gltfRuntime);
postLoad(gltfRuntime);
if (!BABYLON.GLTFFileLoader.IncrementalLoading) {
onSuccess();
}
});
});
if (BABYLON.GLTFFileLoader.IncrementalLoading) {
onSuccess();
}
}, onError);
}, onError);
};
GLTFLoader.prototype._loadShadersAsync = function (gltfRuntime, onload) {
var hasShaders = false;
var processShader = function (sha, shader) {
GLTF1.GLTFLoaderExtension.LoadShaderStringAsync(gltfRuntime, sha, function (shaderString) {
gltfRuntime.loadedShaderCount++;
if (shaderString) {
BABYLON.Effect.ShadersStore[sha + (shader.type === GLTF1.EShaderType.VERTEX ? "VertexShader" : "PixelShader")] = shaderString;
}
if (gltfRuntime.loadedShaderCount === gltfRuntime.shaderscount) {
onload();
}
}, function () {
BABYLON.Tools.Error("Error when loading shader program named " + sha + " located at " + shader.uri);
});
};
for (var sha in gltfRuntime.shaders) {
hasShaders = true;
var shader = gltfRuntime.shaders[sha];
if (shader) {
processShader.bind(this, sha, shader)();
}
else {
BABYLON.Tools.Error("No shader named: " + sha);
}
}
if (!hasShaders) {
onload();
}
};
;
GLTFLoader.prototype._loadBuffersAsync = function (gltfRuntime, onLoad, onProgress) {
var hasBuffers = false;
var processBuffer = function (buf, buffer) {
GLTF1.GLTFLoaderExtension.LoadBufferAsync(gltfRuntime, buf, function (bufferView) {
gltfRuntime.loadedBufferCount++;
if (bufferView) {
if (bufferView.byteLength != gltfRuntime.buffers[buf].byteLength) {
BABYLON.Tools.Error("Buffer named " + buf + " is length " + bufferView.byteLength + ". Expected: " + buffer.byteLength); // Improve error message
}
gltfRuntime.loadedBufferViews[buf] = bufferView;
}
if (gltfRuntime.loadedBufferCount === gltfRuntime.buffersCount) {
onLoad();
}
}, function () {
BABYLON.Tools.Error("Error when loading buffer named " + buf + " located at " + buffer.uri);
});
};
for (var buf in gltfRuntime.buffers) {
hasBuffers = true;
var buffer = gltfRuntime.buffers[buf];
if (buffer) {
processBuffer.bind(this, buf, buffer)();
}
else {
BABYLON.Tools.Error("No buffer named: " + buf);
}
}
if (!hasBuffers) {
onLoad();
}
};
GLTFLoader.prototype._createNodes = function (gltfRuntime) {
var currentScene = gltfRuntime.currentScene;
if (currentScene) {
// Only one scene even if multiple scenes are defined
for (var i = 0; i < currentScene.nodes.length; i++) {
traverseNodes(gltfRuntime, currentScene.nodes[i], null);
}
}
else {
// Load all scenes
for (var thing in gltfRuntime.scenes) {
currentScene = gltfRuntime.scenes[thing];
for (var i = 0; i < currentScene.nodes.length; i++) {
traverseNodes(gltfRuntime, currentScene.nodes[i], null);
}
}
}
};
GLTFLoader.Extensions = {};
return GLTFLoader;
}());
GLTF1.GLTFLoader = GLTFLoader;
;
BABYLON.GLTFFileLoader.CreateGLTFLoaderV1 = function () { return new GLTFLoader(); };
})(GLTF1 = BABYLON.GLTF1 || (BABYLON.GLTF1 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFLoader.js.map
///
var BABYLON;
(function (BABYLON) {
var GLTF1;
(function (GLTF1) {
/**
* Utils functions for GLTF
*/
var GLTFUtils = /** @class */ (function () {
function GLTFUtils() {
}
/**
* Sets the given "parameter" matrix
* @param scene: the {BABYLON.Scene} object
* @param source: the source node where to pick the matrix
* @param parameter: the GLTF technique parameter
* @param uniformName: the name of the shader's uniform
* @param shaderMaterial: the shader material
*/
GLTFUtils.SetMatrix = function (scene, source, parameter, uniformName, shaderMaterial) {
var mat = null;
if (parameter.semantic === "MODEL") {
mat = source.getWorldMatrix();
}
else if (parameter.semantic === "PROJECTION") {
mat = scene.getProjectionMatrix();
}
else if (parameter.semantic === "VIEW") {
mat = scene.getViewMatrix();
}
else if (parameter.semantic === "MODELVIEWINVERSETRANSPOSE") {
mat = BABYLON.Matrix.Transpose(source.getWorldMatrix().multiply(scene.getViewMatrix()).invert());
}
else if (parameter.semantic === "MODELVIEW") {
mat = source.getWorldMatrix().multiply(scene.getViewMatrix());
}
else if (parameter.semantic === "MODELVIEWPROJECTION") {
mat = source.getWorldMatrix().multiply(scene.getTransformMatrix());
}
else if (parameter.semantic === "MODELINVERSE") {
mat = source.getWorldMatrix().invert();
}
else if (parameter.semantic === "VIEWINVERSE") {
mat = scene.getViewMatrix().invert();
}
else if (parameter.semantic === "PROJECTIONINVERSE") {
mat = scene.getProjectionMatrix().invert();
}
else if (parameter.semantic === "MODELVIEWINVERSE") {
mat = source.getWorldMatrix().multiply(scene.getViewMatrix()).invert();
}
else if (parameter.semantic === "MODELVIEWPROJECTIONINVERSE") {
mat = source.getWorldMatrix().multiply(scene.getTransformMatrix()).invert();
}
else if (parameter.semantic === "MODELINVERSETRANSPOSE") {
mat = BABYLON.Matrix.Transpose(source.getWorldMatrix().invert());
}
else {
debugger;
}
if (mat) {
switch (parameter.type) {
case GLTF1.EParameterType.FLOAT_MAT2:
shaderMaterial.setMatrix2x2(uniformName, BABYLON.Matrix.GetAsMatrix2x2(mat));
break;
case GLTF1.EParameterType.FLOAT_MAT3:
shaderMaterial.setMatrix3x3(uniformName, BABYLON.Matrix.GetAsMatrix3x3(mat));
break;
case GLTF1.EParameterType.FLOAT_MAT4:
shaderMaterial.setMatrix(uniformName, mat);
break;
default: break;
}
}
};
/**
* Sets the given "parameter" matrix
* @param shaderMaterial: the shader material
* @param uniform: the name of the shader's uniform
* @param value: the value of the uniform
* @param type: the uniform's type (EParameterType FLOAT, VEC2, VEC3 or VEC4)
*/
GLTFUtils.SetUniform = function (shaderMaterial, uniform, value, type) {
switch (type) {
case GLTF1.EParameterType.FLOAT:
shaderMaterial.setFloat(uniform, value);
return true;
case GLTF1.EParameterType.FLOAT_VEC2:
shaderMaterial.setVector2(uniform, BABYLON.Vector2.FromArray(value));
return true;
case GLTF1.EParameterType.FLOAT_VEC3:
shaderMaterial.setVector3(uniform, BABYLON.Vector3.FromArray(value));
return true;
case GLTF1.EParameterType.FLOAT_VEC4:
shaderMaterial.setVector4(uniform, BABYLON.Vector4.FromArray(value));
return true;
default: return false;
}
};
/**
* If the uri is a base64 string
* @param uri: the uri to test
*/
GLTFUtils.IsBase64 = function (uri) {
return uri.length < 5 ? false : uri.substr(0, 5) === "data:";
};
/**
* Decode the base64 uri
* @param uri: the uri to decode
*/
GLTFUtils.DecodeBase64 = function (uri) {
var decodedString = atob(uri.split(",")[1]);
var bufferLength = decodedString.length;
var bufferView = new Uint8Array(new ArrayBuffer(bufferLength));
for (var i = 0; i < bufferLength; i++) {
bufferView[i] = decodedString.charCodeAt(i);
}
return bufferView.buffer;
};
/**
* Returns the wrap mode of the texture
* @param mode: the mode value
*/
GLTFUtils.GetWrapMode = function (mode) {
switch (mode) {
case GLTF1.ETextureWrapMode.CLAMP_TO_EDGE: return BABYLON.Texture.CLAMP_ADDRESSMODE;
case GLTF1.ETextureWrapMode.MIRRORED_REPEAT: return BABYLON.Texture.MIRROR_ADDRESSMODE;
case GLTF1.ETextureWrapMode.REPEAT: return BABYLON.Texture.WRAP_ADDRESSMODE;
default: return BABYLON.Texture.WRAP_ADDRESSMODE;
}
};
/**
* Returns the byte stride giving an accessor
* @param accessor: the GLTF accessor objet
*/
GLTFUtils.GetByteStrideFromType = function (accessor) {
// Needs this function since "byteStride" isn't requiered in glTF format
var type = accessor.type;
switch (type) {
case "VEC2": return 2;
case "VEC3": return 3;
case "VEC4": return 4;
case "MAT2": return 4;
case "MAT3": return 9;
case "MAT4": return 16;
default: return 1;
}
};
/**
* Returns the texture filter mode giving a mode value
* @param mode: the filter mode value
*/
GLTFUtils.GetTextureFilterMode = function (mode) {
switch (mode) {
case GLTF1.ETextureFilterType.LINEAR:
case GLTF1.ETextureFilterType.LINEAR_MIPMAP_NEAREST:
case GLTF1.ETextureFilterType.LINEAR_MIPMAP_LINEAR: return BABYLON.Texture.TRILINEAR_SAMPLINGMODE;
case GLTF1.ETextureFilterType.NEAREST:
case GLTF1.ETextureFilterType.NEAREST_MIPMAP_NEAREST: return BABYLON.Texture.NEAREST_SAMPLINGMODE;
default: return BABYLON.Texture.BILINEAR_SAMPLINGMODE;
}
};
GLTFUtils.GetBufferFromBufferView = function (gltfRuntime, bufferView, byteOffset, byteLength, componentType) {
var byteOffset = bufferView.byteOffset + byteOffset;
var loadedBufferView = gltfRuntime.loadedBufferViews[bufferView.buffer];
if (byteOffset + byteLength > loadedBufferView.byteLength) {
throw new Error("Buffer access is out of range");
}
var buffer = loadedBufferView.buffer;
byteOffset += loadedBufferView.byteOffset;
switch (componentType) {
case GLTF1.EComponentType.BYTE: return new Int8Array(buffer, byteOffset, byteLength);
case GLTF1.EComponentType.UNSIGNED_BYTE: return new Uint8Array(buffer, byteOffset, byteLength);
case GLTF1.EComponentType.SHORT: return new Int16Array(buffer, byteOffset, byteLength);
case GLTF1.EComponentType.UNSIGNED_SHORT: return new Uint16Array(buffer, byteOffset, byteLength);
default: return new Float32Array(buffer, byteOffset, byteLength);
}
};
/**
* Returns a buffer from its accessor
* @param gltfRuntime: the GLTF runtime
* @param accessor: the GLTF accessor
*/
GLTFUtils.GetBufferFromAccessor = function (gltfRuntime, accessor) {
var bufferView = gltfRuntime.bufferViews[accessor.bufferView];
var byteLength = accessor.count * GLTFUtils.GetByteStrideFromType(accessor);
return GLTFUtils.GetBufferFromBufferView(gltfRuntime, bufferView, accessor.byteOffset, byteLength, accessor.componentType);
};
/**
* Decodes a buffer view into a string
* @param view: the buffer view
*/
GLTFUtils.DecodeBufferToText = function (view) {
var result = "";
var length = view.byteLength;
for (var i = 0; i < length; ++i) {
result += String.fromCharCode(view[i]);
}
return result;
};
/**
* Returns the default material of gltf. Related to
* https://github.com/KhronosGroup/glTF/tree/master/specification/1.0#appendix-a-default-material
* @param scene: the Babylon.js scene
*/
GLTFUtils.GetDefaultMaterial = function (scene) {
if (!GLTFUtils._DefaultMaterial) {
BABYLON.Effect.ShadersStore["GLTFDefaultMaterialVertexShader"] = [
"precision highp float;",
"",
"uniform mat4 worldView;",
"uniform mat4 projection;",
"",
"attribute vec3 position;",
"",
"void main(void)",
"{",
" gl_Position = projection * worldView * vec4(position, 1.0);",
"}"
].join("\n");
BABYLON.Effect.ShadersStore["GLTFDefaultMaterialPixelShader"] = [
"precision highp float;",
"",
"uniform vec4 u_emission;",
"",
"void main(void)",
"{",
" gl_FragColor = u_emission;",
"}"
].join("\n");
var shaderPath = {
vertex: "GLTFDefaultMaterial",
fragment: "GLTFDefaultMaterial"
};
var options = {
attributes: ["position"],
uniforms: ["worldView", "projection", "u_emission"],
samplers: new Array(),
needAlphaBlending: false
};
GLTFUtils._DefaultMaterial = new BABYLON.ShaderMaterial("GLTFDefaultMaterial", scene, shaderPath, options);
GLTFUtils._DefaultMaterial.setColor4("u_emission", new BABYLON.Color4(0.5, 0.5, 0.5, 1.0));
}
return GLTFUtils._DefaultMaterial;
};
// The GLTF default material
GLTFUtils._DefaultMaterial = null;
return GLTFUtils;
}());
GLTF1.GLTFUtils = GLTFUtils;
})(GLTF1 = BABYLON.GLTF1 || (BABYLON.GLTF1 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFLoaderUtils.js.map
///
var BABYLON;
(function (BABYLON) {
var GLTF1;
(function (GLTF1) {
var GLTFLoaderExtension = /** @class */ (function () {
function GLTFLoaderExtension(name) {
this._name = name;
}
Object.defineProperty(GLTFLoaderExtension.prototype, "name", {
get: function () {
return this._name;
},
enumerable: true,
configurable: true
});
/**
* Defines an override for loading the runtime
* Return true to stop further extensions from loading the runtime
*/
GLTFLoaderExtension.prototype.loadRuntimeAsync = function (scene, data, rootUrl, onSuccess, onError) {
return false;
};
/**
* Defines an onverride for creating gltf runtime
* Return true to stop further extensions from creating the runtime
*/
GLTFLoaderExtension.prototype.loadRuntimeExtensionsAsync = function (gltfRuntime, onSuccess, onError) {
return false;
};
/**
* Defines an override for loading buffers
* Return true to stop further extensions from loading this buffer
*/
GLTFLoaderExtension.prototype.loadBufferAsync = function (gltfRuntime, id, onSuccess, onError, onProgress) {
return false;
};
/**
* Defines an override for loading texture buffers
* Return true to stop further extensions from loading this texture data
*/
GLTFLoaderExtension.prototype.loadTextureBufferAsync = function (gltfRuntime, id, onSuccess, onError) {
return false;
};
/**
* Defines an override for creating textures
* Return true to stop further extensions from loading this texture
*/
GLTFLoaderExtension.prototype.createTextureAsync = function (gltfRuntime, id, buffer, onSuccess, onError) {
return false;
};
/**
* Defines an override for loading shader strings
* Return true to stop further extensions from loading this shader data
*/
GLTFLoaderExtension.prototype.loadShaderStringAsync = function (gltfRuntime, id, onSuccess, onError) {
return false;
};
/**
* Defines an override for loading materials
* Return true to stop further extensions from loading this material
*/
GLTFLoaderExtension.prototype.loadMaterialAsync = function (gltfRuntime, id, onSuccess, onError) {
return false;
};
// ---------
// Utilities
// ---------
GLTFLoaderExtension.LoadRuntimeAsync = function (scene, data, rootUrl, onSuccess, onError) {
GLTFLoaderExtension.ApplyExtensions(function (loaderExtension) {
return loaderExtension.loadRuntimeAsync(scene, data, rootUrl, onSuccess, onError);
}, function () {
setTimeout(function () {
onSuccess(GLTF1.GLTFLoaderBase.CreateRuntime(data.json, scene, rootUrl));
});
});
};
GLTFLoaderExtension.LoadRuntimeExtensionsAsync = function (gltfRuntime, onSuccess, onError) {
GLTFLoaderExtension.ApplyExtensions(function (loaderExtension) {
return loaderExtension.loadRuntimeExtensionsAsync(gltfRuntime, onSuccess, onError);
}, function () {
setTimeout(function () {
onSuccess();
});
});
};
GLTFLoaderExtension.LoadBufferAsync = function (gltfRuntime, id, onSuccess, onError, onProgress) {
GLTFLoaderExtension.ApplyExtensions(function (loaderExtension) {
return loaderExtension.loadBufferAsync(gltfRuntime, id, onSuccess, onError, onProgress);
}, function () {
GLTF1.GLTFLoaderBase.LoadBufferAsync(gltfRuntime, id, onSuccess, onError, onProgress);
});
};
GLTFLoaderExtension.LoadTextureAsync = function (gltfRuntime, id, onSuccess, onError) {
GLTFLoaderExtension.LoadTextureBufferAsync(gltfRuntime, id, function (buffer) { return GLTFLoaderExtension.CreateTextureAsync(gltfRuntime, id, buffer, onSuccess, onError); }, onError);
};
GLTFLoaderExtension.LoadShaderStringAsync = function (gltfRuntime, id, onSuccess, onError) {
GLTFLoaderExtension.ApplyExtensions(function (loaderExtension) {
return loaderExtension.loadShaderStringAsync(gltfRuntime, id, onSuccess, onError);
}, function () {
GLTF1.GLTFLoaderBase.LoadShaderStringAsync(gltfRuntime, id, onSuccess, onError);
});
};
GLTFLoaderExtension.LoadMaterialAsync = function (gltfRuntime, id, onSuccess, onError) {
GLTFLoaderExtension.ApplyExtensions(function (loaderExtension) {
return loaderExtension.loadMaterialAsync(gltfRuntime, id, onSuccess, onError);
}, function () {
GLTF1.GLTFLoaderBase.LoadMaterialAsync(gltfRuntime, id, onSuccess, onError);
});
};
GLTFLoaderExtension.LoadTextureBufferAsync = function (gltfRuntime, id, onSuccess, onError) {
GLTFLoaderExtension.ApplyExtensions(function (loaderExtension) {
return loaderExtension.loadTextureBufferAsync(gltfRuntime, id, onSuccess, onError);
}, function () {
GLTF1.GLTFLoaderBase.LoadTextureBufferAsync(gltfRuntime, id, onSuccess, onError);
});
};
GLTFLoaderExtension.CreateTextureAsync = function (gltfRuntime, id, buffer, onSuccess, onError) {
GLTFLoaderExtension.ApplyExtensions(function (loaderExtension) {
return loaderExtension.createTextureAsync(gltfRuntime, id, buffer, onSuccess, onError);
}, function () {
GLTF1.GLTFLoaderBase.CreateTextureAsync(gltfRuntime, id, buffer, onSuccess, onError);
});
};
GLTFLoaderExtension.ApplyExtensions = function (func, defaultFunc) {
for (var extensionName in GLTF1.GLTFLoader.Extensions) {
var loaderExtension = GLTF1.GLTFLoader.Extensions[extensionName];
if (func(loaderExtension)) {
return;
}
}
defaultFunc();
};
return GLTFLoaderExtension;
}());
GLTF1.GLTFLoaderExtension = GLTFLoaderExtension;
})(GLTF1 = BABYLON.GLTF1 || (BABYLON.GLTF1 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFLoaderExtension.js.map
///
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var BABYLON;
(function (BABYLON) {
var GLTF1;
(function (GLTF1) {
var BinaryExtensionBufferName = "binary_glTF";
;
;
var GLTFBinaryExtension = /** @class */ (function (_super) {
__extends(GLTFBinaryExtension, _super);
function GLTFBinaryExtension() {
return _super.call(this, "KHR_binary_glTF") || this;
}
GLTFBinaryExtension.prototype.loadRuntimeAsync = function (scene, data, rootUrl, onSuccess, onError) {
var extensionsUsed = data.json.extensionsUsed;
if (!extensionsUsed || extensionsUsed.indexOf(this.name) === -1 || !data.bin) {
return false;
}
this._bin = data.bin;
onSuccess(GLTF1.GLTFLoaderBase.CreateRuntime(data.json, scene, rootUrl));
return true;
};
GLTFBinaryExtension.prototype.loadBufferAsync = function (gltfRuntime, id, onSuccess, onError) {
if (gltfRuntime.extensionsUsed.indexOf(this.name) === -1) {
return false;
}
if (id !== BinaryExtensionBufferName) {
return false;
}
onSuccess(this._bin);
return true;
};
GLTFBinaryExtension.prototype.loadTextureBufferAsync = function (gltfRuntime, id, onSuccess, onError) {
var texture = gltfRuntime.textures[id];
var source = gltfRuntime.images[texture.source];
if (!source.extensions || !(this.name in source.extensions)) {
return false;
}
var sourceExt = source.extensions[this.name];
var bufferView = gltfRuntime.bufferViews[sourceExt.bufferView];
var buffer = GLTF1.GLTFUtils.GetBufferFromBufferView(gltfRuntime, bufferView, 0, bufferView.byteLength, GLTF1.EComponentType.UNSIGNED_BYTE);
onSuccess(buffer);
return true;
};
GLTFBinaryExtension.prototype.loadShaderStringAsync = function (gltfRuntime, id, onSuccess, onError) {
var shader = gltfRuntime.shaders[id];
if (!shader.extensions || !(this.name in shader.extensions)) {
return false;
}
var binaryExtensionShader = shader.extensions[this.name];
var bufferView = gltfRuntime.bufferViews[binaryExtensionShader.bufferView];
var shaderBytes = GLTF1.GLTFUtils.GetBufferFromBufferView(gltfRuntime, bufferView, 0, bufferView.byteLength, GLTF1.EComponentType.UNSIGNED_BYTE);
setTimeout(function () {
var shaderString = GLTF1.GLTFUtils.DecodeBufferToText(shaderBytes);
onSuccess(shaderString);
});
return true;
};
return GLTFBinaryExtension;
}(GLTF1.GLTFLoaderExtension));
GLTF1.GLTFBinaryExtension = GLTFBinaryExtension;
GLTF1.GLTFLoader.RegisterExtension(new GLTFBinaryExtension());
})(GLTF1 = BABYLON.GLTF1 || (BABYLON.GLTF1 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFBinaryExtension.js.map
///
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var BABYLON;
(function (BABYLON) {
var GLTF1;
(function (GLTF1) {
;
;
;
var GLTFMaterialsCommonExtension = /** @class */ (function (_super) {
__extends(GLTFMaterialsCommonExtension, _super);
function GLTFMaterialsCommonExtension() {
return _super.call(this, "KHR_materials_common") || this;
}
GLTFMaterialsCommonExtension.prototype.loadRuntimeExtensionsAsync = function (gltfRuntime, onSuccess, onError) {
if (!gltfRuntime.extensions)
return false;
var extension = gltfRuntime.extensions[this.name];
if (!extension)
return false;
// Create lights
var lights = extension.lights;
if (lights) {
for (var thing in lights) {
var light = lights[thing];
switch (light.type) {
case "ambient":
var ambientLight = new BABYLON.HemisphericLight(light.name, new BABYLON.Vector3(0, 1, 0), gltfRuntime.scene);
var ambient = light.ambient;
if (ambient) {
ambientLight.diffuse = BABYLON.Color3.FromArray(ambient.color || [1, 1, 1]);
}
break;
case "point":
var pointLight = new BABYLON.PointLight(light.name, new BABYLON.Vector3(10, 10, 10), gltfRuntime.scene);
var point = light.point;
if (point) {
pointLight.diffuse = BABYLON.Color3.FromArray(point.color || [1, 1, 1]);
}
break;
case "directional":
var dirLight = new BABYLON.DirectionalLight(light.name, new BABYLON.Vector3(0, -1, 0), gltfRuntime.scene);
var directional = light.directional;
if (directional) {
dirLight.diffuse = BABYLON.Color3.FromArray(directional.color || [1, 1, 1]);
}
break;
case "spot":
var spot = light.spot;
if (spot) {
var spotLight = new BABYLON.SpotLight(light.name, new BABYLON.Vector3(0, 10, 0), new BABYLON.Vector3(0, -1, 0), spot.fallOffAngle || Math.PI, spot.fallOffExponent || 0.0, gltfRuntime.scene);
spotLight.diffuse = BABYLON.Color3.FromArray(spot.color || [1, 1, 1]);
}
break;
default:
BABYLON.Tools.Warn("GLTF Material Common extension: light type \"" + light.type + "\” not supported");
break;
}
}
}
return false;
};
GLTFMaterialsCommonExtension.prototype.loadMaterialAsync = function (gltfRuntime, id, onSuccess, onError) {
var material = gltfRuntime.materials[id];
if (!material || !material.extensions)
return false;
var extension = material.extensions[this.name];
if (!extension)
return false;
var standardMaterial = new BABYLON.StandardMaterial(id, gltfRuntime.scene);
standardMaterial.sideOrientation = BABYLON.Material.CounterClockWiseSideOrientation;
if (extension.technique === "CONSTANT") {
standardMaterial.disableLighting = true;
}
standardMaterial.backFaceCulling = extension.doubleSided === undefined ? false : !extension.doubleSided;
standardMaterial.alpha = extension.values.transparency === undefined ? 1.0 : extension.values.transparency;
standardMaterial.specularPower = extension.values.shininess === undefined ? 0.0 : extension.values.shininess;
// Ambient
if (typeof extension.values.ambient === "string") {
this._loadTexture(gltfRuntime, extension.values.ambient, standardMaterial, "ambientTexture", onError);
}
else {
standardMaterial.ambientColor = BABYLON.Color3.FromArray(extension.values.ambient || [0, 0, 0]);
}
// Diffuse
if (typeof extension.values.diffuse === "string") {
this._loadTexture(gltfRuntime, extension.values.diffuse, standardMaterial, "diffuseTexture", onError);
}
else {
standardMaterial.diffuseColor = BABYLON.Color3.FromArray(extension.values.diffuse || [0, 0, 0]);
}
// Emission
if (typeof extension.values.emission === "string") {
this._loadTexture(gltfRuntime, extension.values.emission, standardMaterial, "emissiveTexture", onError);
}
else {
standardMaterial.emissiveColor = BABYLON.Color3.FromArray(extension.values.emission || [0, 0, 0]);
}
// Specular
if (typeof extension.values.specular === "string") {
this._loadTexture(gltfRuntime, extension.values.specular, standardMaterial, "specularTexture", onError);
}
else {
standardMaterial.specularColor = BABYLON.Color3.FromArray(extension.values.specular || [0, 0, 0]);
}
return true;
};
GLTFMaterialsCommonExtension.prototype._loadTexture = function (gltfRuntime, id, material, propertyPath, onError) {
// Create buffer from texture url
GLTF1.GLTFLoaderBase.LoadTextureBufferAsync(gltfRuntime, id, function (buffer) {
// Create texture from buffer
GLTF1.GLTFLoaderBase.CreateTextureAsync(gltfRuntime, id, buffer, function (texture) { return material[propertyPath] = texture; }, onError);
}, onError);
};
return GLTFMaterialsCommonExtension;
}(GLTF1.GLTFLoaderExtension));
GLTF1.GLTFMaterialsCommonExtension = GLTFMaterialsCommonExtension;
GLTF1.GLTFLoader.RegisterExtension(new GLTFMaterialsCommonExtension());
})(GLTF1 = BABYLON.GLTF1 || (BABYLON.GLTF1 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFMaterialsCommonExtension.js.map
///
var BABYLON;
(function (BABYLON) {
var GLTF2;
(function (GLTF2) {
/**
* Enums
*/
var EComponentType;
(function (EComponentType) {
EComponentType[EComponentType["BYTE"] = 5120] = "BYTE";
EComponentType[EComponentType["UNSIGNED_BYTE"] = 5121] = "UNSIGNED_BYTE";
EComponentType[EComponentType["SHORT"] = 5122] = "SHORT";
EComponentType[EComponentType["UNSIGNED_SHORT"] = 5123] = "UNSIGNED_SHORT";
EComponentType[EComponentType["UNSIGNED_INT"] = 5125] = "UNSIGNED_INT";
EComponentType[EComponentType["FLOAT"] = 5126] = "FLOAT";
})(EComponentType = GLTF2.EComponentType || (GLTF2.EComponentType = {}));
var EMeshPrimitiveMode;
(function (EMeshPrimitiveMode) {
EMeshPrimitiveMode[EMeshPrimitiveMode["POINTS"] = 0] = "POINTS";
EMeshPrimitiveMode[EMeshPrimitiveMode["LINES"] = 1] = "LINES";
EMeshPrimitiveMode[EMeshPrimitiveMode["LINE_LOOP"] = 2] = "LINE_LOOP";
EMeshPrimitiveMode[EMeshPrimitiveMode["LINE_STRIP"] = 3] = "LINE_STRIP";
EMeshPrimitiveMode[EMeshPrimitiveMode["TRIANGLES"] = 4] = "TRIANGLES";
EMeshPrimitiveMode[EMeshPrimitiveMode["TRIANGLE_STRIP"] = 5] = "TRIANGLE_STRIP";
EMeshPrimitiveMode[EMeshPrimitiveMode["TRIANGLE_FAN"] = 6] = "TRIANGLE_FAN";
})(EMeshPrimitiveMode = GLTF2.EMeshPrimitiveMode || (GLTF2.EMeshPrimitiveMode = {}));
var ETextureMagFilter;
(function (ETextureMagFilter) {
ETextureMagFilter[ETextureMagFilter["NEAREST"] = 9728] = "NEAREST";
ETextureMagFilter[ETextureMagFilter["LINEAR"] = 9729] = "LINEAR";
})(ETextureMagFilter = GLTF2.ETextureMagFilter || (GLTF2.ETextureMagFilter = {}));
var ETextureMinFilter;
(function (ETextureMinFilter) {
ETextureMinFilter[ETextureMinFilter["NEAREST"] = 9728] = "NEAREST";
ETextureMinFilter[ETextureMinFilter["LINEAR"] = 9729] = "LINEAR";
ETextureMinFilter[ETextureMinFilter["NEAREST_MIPMAP_NEAREST"] = 9984] = "NEAREST_MIPMAP_NEAREST";
ETextureMinFilter[ETextureMinFilter["LINEAR_MIPMAP_NEAREST"] = 9985] = "LINEAR_MIPMAP_NEAREST";
ETextureMinFilter[ETextureMinFilter["NEAREST_MIPMAP_LINEAR"] = 9986] = "NEAREST_MIPMAP_LINEAR";
ETextureMinFilter[ETextureMinFilter["LINEAR_MIPMAP_LINEAR"] = 9987] = "LINEAR_MIPMAP_LINEAR";
})(ETextureMinFilter = GLTF2.ETextureMinFilter || (GLTF2.ETextureMinFilter = {}));
var ETextureWrapMode;
(function (ETextureWrapMode) {
ETextureWrapMode[ETextureWrapMode["CLAMP_TO_EDGE"] = 33071] = "CLAMP_TO_EDGE";
ETextureWrapMode[ETextureWrapMode["MIRRORED_REPEAT"] = 33648] = "MIRRORED_REPEAT";
ETextureWrapMode[ETextureWrapMode["REPEAT"] = 10497] = "REPEAT";
})(ETextureWrapMode = GLTF2.ETextureWrapMode || (GLTF2.ETextureWrapMode = {}));
})(GLTF2 = BABYLON.GLTF2 || (BABYLON.GLTF2 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFLoaderInterfaces.js.map
///
var BABYLON;
(function (BABYLON) {
var GLTF2;
(function (GLTF2) {
var GLTFLoaderTracker = /** @class */ (function () {
function GLTFLoaderTracker(onComplete) {
this._pendingCount = 0;
this._callback = onComplete;
}
GLTFLoaderTracker.prototype._addPendingData = function (data) {
this._pendingCount++;
};
GLTFLoaderTracker.prototype._removePendingData = function (data) {
if (--this._pendingCount === 0) {
this._callback();
}
};
return GLTFLoaderTracker;
}());
var GLTFLoader = /** @class */ (function () {
function GLTFLoader() {
this._disposed = false;
this._defaultSampler = {};
this._renderReady = false;
this._requests = new Array();
this._renderReadyObservable = new BABYLON.Observable();
// Count of pending work that needs to complete before the asset is rendered.
this._renderPendingCount = 0;
// Count of pending work that needs to complete before the loader is disposed.
this._loaderPendingCount = 0;
this._loaderTrackers = new Array();
this.coordinateSystemMode = BABYLON.GLTFLoaderCoordinateSystemMode.AUTO;
this.animationStartMode = BABYLON.GLTFLoaderAnimationStartMode.FIRST;
this.compileMaterials = false;
this.useClipPlane = false;
this.compileShadowGenerators = false;
this.onDisposeObservable = new BABYLON.Observable();
this.onMeshLoadedObservable = new BABYLON.Observable();
this.onTextureLoadedObservable = new BABYLON.Observable();
this.onMaterialLoadedObservable = new BABYLON.Observable();
this.onCompleteObservable = new BABYLON.Observable();
}
GLTFLoader.RegisterExtension = function (extension) {
if (GLTFLoader.Extensions[extension.name]) {
BABYLON.Tools.Error("Extension with the same name '" + extension.name + "' already exists");
return;
}
GLTFLoader.Extensions[extension.name] = extension;
// Keep the order of registration so that extensions registered first are called first.
GLTF2.GLTFLoaderExtension._Extensions.push(extension);
};
GLTFLoader.prototype.dispose = function () {
if (this._disposed) {
return;
}
this._disposed = true;
this._abortRequests();
this._releaseResources();
this.onDisposeObservable.notifyObservers(this);
};
GLTFLoader.prototype.importMeshAsync = function (meshesNames, scene, data, rootUrl, onSuccess, onProgress, onError) {
var _this = this;
this._loadAsync(meshesNames, scene, data, rootUrl, function () {
if (onSuccess) {
onSuccess(_this._getMeshes(), [], _this._getSkeletons());
}
}, onProgress, onError);
};
GLTFLoader.prototype.loadAsync = function (scene, data, rootUrl, onSuccess, onProgress, onError) {
this._loadAsync(null, scene, data, rootUrl, onSuccess, onProgress, onError);
};
GLTFLoader.prototype._loadAsync = function (nodeNames, scene, data, rootUrl, onSuccess, onProgress, onError) {
var _this = this;
this._babylonScene = scene;
this._rootUrl = rootUrl;
this._successCallback = onSuccess;
this._progressCallback = onProgress;
this._errorCallback = onError;
this._tryCatchOnError(function () {
_this._loadData(data);
_this._addPendingData(_this);
_this._loadDefaultScene(nodeNames);
_this._loadAnimations();
_this._removePendingData(_this);
});
};
GLTFLoader.prototype._onProgress = function () {
if (!this._progressCallback) {
return;
}
var lengthComputable = true;
var loaded = 0;
var total = 0;
for (var _i = 0, _a = this._requests; _i < _a.length; _i++) {
var request = _a[_i];
if (request._lengthComputable === undefined || request._loaded === undefined || request._total === undefined) {
return;
}
lengthComputable = lengthComputable && request._lengthComputable;
loaded += request._loaded;
total += request._total;
}
this._progressCallback(new BABYLON.SceneLoaderProgressEvent(lengthComputable, loaded, lengthComputable ? total : 0));
};
GLTFLoader.prototype._executeWhenRenderReady = function (func) {
if (this._renderReady) {
func();
}
else {
this._renderReadyObservable.add(func);
}
};
GLTFLoader.prototype._onRenderReady = function () {
this._rootNode.babylonMesh.setEnabled(true);
this._startAnimations();
if (this._successCallback) {
this._successCallback();
}
this._renderReadyObservable.notifyObservers(this);
};
GLTFLoader.prototype._onComplete = function () {
this._abortRequests();
this._releaseResources();
this.onCompleteObservable.notifyObservers(this);
};
GLTFLoader.prototype._loadData = function (data) {
this._gltf = data.json;
// Assign the index of each object for convinience.
GLTFLoader._AssignIndices(this._gltf.accessors);
GLTFLoader._AssignIndices(this._gltf.animations);
GLTFLoader._AssignIndices(this._gltf.buffers);
GLTFLoader._AssignIndices(this._gltf.bufferViews);
GLTFLoader._AssignIndices(this._gltf.images);
GLTFLoader._AssignIndices(this._gltf.materials);
GLTFLoader._AssignIndices(this._gltf.meshes);
GLTFLoader._AssignIndices(this._gltf.nodes);
GLTFLoader._AssignIndices(this._gltf.samplers);
GLTFLoader._AssignIndices(this._gltf.scenes);
GLTFLoader._AssignIndices(this._gltf.skins);
GLTFLoader._AssignIndices(this._gltf.textures);
if (data.bin) {
var buffers = this._gltf.buffers;
if (buffers && buffers[0] && !buffers[0].uri) {
var binaryBuffer = buffers[0];
if (binaryBuffer.byteLength < data.bin.byteLength - 3 || binaryBuffer.byteLength > data.bin.byteLength) {
BABYLON.Tools.Warn("Binary buffer length (" + binaryBuffer.byteLength + ") from JSON does not match chunk length (" + data.bin.byteLength + ")");
}
binaryBuffer.loadedData = data.bin;
}
else {
BABYLON.Tools.Warn("Unexpected BIN chunk");
}
}
};
GLTFLoader.prototype._getMeshes = function () {
var meshes = new Array();
// Root mesh is always first.
meshes.push(this._rootNode.babylonMesh);
var nodes = this._gltf.nodes;
if (nodes) {
for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
var node = nodes_1[_i];
if (node.babylonMesh) {
meshes.push(node.babylonMesh);
}
}
}
return meshes;
};
GLTFLoader.prototype._getSkeletons = function () {
var skeletons = new Array();
var skins = this._gltf.skins;
if (skins) {
for (var _i = 0, skins_1 = skins; _i < skins_1.length; _i++) {
var skin = skins_1[_i];
if (skin.babylonSkeleton) {
skeletons.push(skin.babylonSkeleton);
}
}
}
return skeletons;
};
GLTFLoader.prototype._startAnimations = function () {
var animations = this._gltf.animations;
if (!animations) {
return;
}
switch (this.animationStartMode) {
case BABYLON.GLTFLoaderAnimationStartMode.NONE: {
// do nothing
break;
}
case BABYLON.GLTFLoaderAnimationStartMode.FIRST: {
var animation = animations[0];
for (var _i = 0, _a = animation.targets; _i < _a.length; _i++) {
var target = _a[_i];
this._babylonScene.beginAnimation(target, 0, Number.MAX_VALUE, true);
}
break;
}
case BABYLON.GLTFLoaderAnimationStartMode.ALL: {
for (var _b = 0, animations_1 = animations; _b < animations_1.length; _b++) {
var animation = animations_1[_b];
for (var _c = 0, _d = animation.targets; _c < _d.length; _c++) {
var target = _d[_c];
this._babylonScene.beginAnimation(target, 0, Number.MAX_VALUE, true);
}
}
break;
}
default: {
BABYLON.Tools.Error("Invalid animation start mode " + this.animationStartMode);
return;
}
}
};
GLTFLoader.prototype._loadDefaultScene = function (nodeNames) {
var scene = GLTFLoader._GetProperty(this._gltf.scenes, this._gltf.scene || 0);
if (!scene) {
throw new Error("Failed to find scene " + (this._gltf.scene || 0));
}
this._loadScene("#/scenes/" + scene.index, scene, nodeNames);
};
GLTFLoader.prototype._loadScene = function (context, scene, nodeNames) {
var _this = this;
this._rootNode = { babylonMesh: new BABYLON.Mesh("__root__", this._babylonScene) };
switch (this.coordinateSystemMode) {
case BABYLON.GLTFLoaderCoordinateSystemMode.AUTO: {
if (!this._babylonScene.useRightHandedSystem) {
this._rootNode.rotation = [0, 1, 0, 0];
this._rootNode.scale = [1, 1, -1];
this._loadTransform(this._rootNode);
}
break;
}
case BABYLON.GLTFLoaderCoordinateSystemMode.FORCE_RIGHT_HANDED: {
this._babylonScene.useRightHandedSystem = true;
break;
}
default: {
BABYLON.Tools.Error("Invalid coordinate system mode " + this.coordinateSystemMode);
return;
}
}
this.onMeshLoadedObservable.notifyObservers(this._rootNode.babylonMesh);
var nodeIndices = scene.nodes;
this._traverseNodes(context, nodeIndices, function (node, parentNode) {
node.parent = parentNode;
return true;
}, this._rootNode);
if (nodeNames) {
if (!(nodeNames instanceof Array)) {
nodeNames = [nodeNames];
}
var filteredNodeIndices_1 = new Array();
this._traverseNodes(context, nodeIndices, function (node) {
if (nodeNames.indexOf(node.name) !== -1) {
filteredNodeIndices_1.push(node.index);
node.parent = _this._rootNode;
return false;
}
return true;
}, this._rootNode);
nodeIndices = filteredNodeIndices_1;
}
for (var _i = 0, nodeIndices_1 = nodeIndices; _i < nodeIndices_1.length; _i++) {
var index = nodeIndices_1[_i];
var node = GLTFLoader._GetProperty(this._gltf.nodes, index);
if (!node) {
throw new Error(context + ": Failed to find node " + index);
}
this._loadNode("#/nodes/" + index, node);
}
// Disable the root mesh until the asset is ready to render.
this._rootNode.babylonMesh.setEnabled(false);
};
GLTFLoader.prototype._loadNode = function (context, node) {
if (GLTF2.GLTFLoaderExtension.LoadNode(this, context, node)) {
return;
}
node.babylonMesh = new BABYLON.Mesh(node.name || "mesh" + node.index, this._babylonScene);
this._loadTransform(node);
if (node.mesh != null) {
var mesh = GLTFLoader._GetProperty(this._gltf.meshes, node.mesh);
if (!mesh) {
throw new Error(context + ": Failed to find mesh " + node.mesh);
}
this._loadMesh("#/meshes/" + node.mesh, node, mesh);
}
node.babylonMesh.parent = node.parent.babylonMesh;
node.babylonAnimationTargets = node.babylonAnimationTargets || [];
node.babylonAnimationTargets.push(node.babylonMesh);
if (node.skin != null) {
var skin_1 = GLTFLoader._GetProperty(this._gltf.skins, node.skin);
if (!skin_1) {
throw new Error(context + ": Failed to find skin " + node.skin);
}
this._loadSkinAsync("#/skins/" + node.skin, skin_1, function () {
node.babylonMesh.skeleton = skin_1.babylonSkeleton;
node.babylonMesh._refreshBoundingInfo(true);
});
node.babylonMesh.parent = this._rootNode.babylonMesh;
node.babylonMesh.position = BABYLON.Vector3.Zero();
node.babylonMesh.rotationQuaternion = BABYLON.Quaternion.Identity();
node.babylonMesh.scaling = BABYLON.Vector3.One();
}
if (node.camera != null) {
// TODO: handle cameras
}
if (node.children) {
for (var _i = 0, _a = node.children; _i < _a.length; _i++) {
var index = _a[_i];
var childNode = GLTFLoader._GetProperty(this._gltf.nodes, index);
if (!childNode) {
throw new Error(context + ": Failed to find child node " + index);
}
this._loadNode("#/nodes/" + index, childNode);
}
}
this.onMeshLoadedObservable.notifyObservers(node.babylonMesh);
};
GLTFLoader.prototype._loadMesh = function (context, node, mesh) {
var _this = this;
var primitives = mesh.primitives;
if (!primitives || primitives.length === 0) {
throw new Error(context + ": Primitives are missing");
}
this._createMorphTargets(context, node, mesh);
this._loadAllVertexDataAsync(context, mesh, function () {
_this._loadMorphTargets(context, node, mesh);
var vertexData = new BABYLON.VertexData();
for (var _i = 0, primitives_1 = primitives; _i < primitives_1.length; _i++) {
var primitive = primitives_1[_i];
vertexData.merge(primitive.vertexData);
}
node.babylonMesh.hasVertexAlpha = mesh.hasVertexAlpha;
new BABYLON.Geometry(node.babylonMesh.name, _this._babylonScene, vertexData, false, node.babylonMesh);
// TODO: optimize this so that sub meshes can be created without being overwritten after setting vertex data.
// Sub meshes must be cleared and created after setting vertex data because of mesh._createGlobalSubMesh.
node.babylonMesh.subMeshes = [];
var verticesStart = 0;
var indicesStart = 0;
for (var index = 0; index < primitives.length; index++) {
var vertexData_1 = primitives[index].vertexData;
var verticesCount = vertexData_1.positions.length;
var indicesCount = vertexData_1.indices.length;
BABYLON.SubMesh.AddToMesh(index, verticesStart, verticesCount, indicesStart, indicesCount, node.babylonMesh);
verticesStart += verticesCount;
indicesStart += indicesCount;
}
;
});
if (primitives.length === 1) {
var primitive = primitives[0];
if (primitive.material == null) {
node.babylonMesh.material = this._getDefaultMaterial();
}
else {
var material = GLTFLoader._GetProperty(this._gltf.materials, primitive.material);
if (!material) {
throw new Error(context + ": Failed to find material " + primitive.material);
}
this._loadMaterial("#/materials/" + material.index, material, function (babylonMaterial, isNew) {
if (isNew) {
_this.onMaterialLoadedObservable.notifyObservers(babylonMaterial);
}
node.babylonMesh.material = babylonMaterial;
});
}
}
else {
var multiMaterial = new BABYLON.MultiMaterial(node.babylonMesh.name, this._babylonScene);
node.babylonMesh.material = multiMaterial;
var subMaterials_1 = multiMaterial.subMaterials;
var _loop_1 = function (index) {
var primitive = primitives[index];
if (primitive.material == null) {
subMaterials_1[index] = this_1._getDefaultMaterial();
}
else {
var material = GLTFLoader._GetProperty(this_1._gltf.materials, primitive.material);
if (!material) {
throw new Error(context + ": Failed to find material " + primitive.material);
}
this_1._loadMaterial("#/materials/" + material.index, material, function (babylonMaterial, isNew) {
if (isNew) {
_this.onMaterialLoadedObservable.notifyObservers(babylonMaterial);
}
subMaterials_1[index] = babylonMaterial;
});
}
};
var this_1 = this;
for (var index = 0; index < primitives.length; index++) {
_loop_1(index);
}
;
}
};
GLTFLoader.prototype._loadAllVertexDataAsync = function (context, mesh, onSuccess) {
var primitives = mesh.primitives;
var numRemainingPrimitives = primitives.length;
var _loop_2 = function (index) {
var primitive = primitives[index];
this_2._loadVertexDataAsync(context + "/primitive/" + index, mesh, primitive, function (vertexData) {
primitive.vertexData = vertexData;
if (--numRemainingPrimitives === 0) {
onSuccess();
}
});
};
var this_2 = this;
for (var index = 0; index < primitives.length; index++) {
_loop_2(index);
}
};
/**
* Converts a data bufferview into a Float4 Texture Coordinate Array, based on the accessor component type
* @param {ArrayBufferView} data
* @param {IGLTFAccessor} accessor
*/
GLTFLoader.prototype._convertToFloat4TextureCoordArray = function (context, data, accessor) {
if (accessor.componentType == GLTF2.EComponentType.FLOAT) {
return data;
}
var buffer = data;
var factor = 1;
switch (accessor.componentType) {
case GLTF2.EComponentType.UNSIGNED_BYTE: {
factor = 1 / 255;
break;
}
case GLTF2.EComponentType.UNSIGNED_SHORT: {
factor = 1 / 65535;
break;
}
default: {
throw new Error(context + ": Invalid component type (" + accessor.componentType + ")");
}
}
var result = new Float32Array(accessor.count * 2);
for (var i = 0; i < result.length; ++i) {
result[i] = buffer[i] * factor;
}
return result;
};
/**
* Converts a data bufferview into a Float4 Color Array, based on the accessor component type
* @param {ArrayBufferView} data
* @param {IGLTFAccessor} accessor
*/
GLTFLoader.prototype._convertToFloat4ColorArray = function (context, data, accessor) {
var colorComponentCount = GLTFLoader._GetNumComponents(context, accessor.type);
if (colorComponentCount === 4 && accessor.componentType === GLTF2.EComponentType.FLOAT) {
return data;
}
var buffer = data;
var factor = 1;
switch (accessor.componentType) {
case GLTF2.EComponentType.FLOAT: {
factor = 1;
break;
}
case GLTF2.EComponentType.UNSIGNED_BYTE: {
factor = 1 / 255;
break;
}
case GLTF2.EComponentType.UNSIGNED_SHORT: {
factor = 1 / 65535;
break;
}
default: {
throw new Error(context + ": Invalid component type (" + accessor.componentType + ")");
}
}
var result = new Float32Array(accessor.count * 4);
if (colorComponentCount === 4) {
for (var i = 0; i < result.length; ++i) {
result[i] = buffer[i] * factor;
}
}
else {
var offset = 0;
for (var i = 0; i < result.length; ++i) {
if ((i + 1) % 4 === 0) {
result[i] = 1;
}
else {
result[i] = buffer[offset++] * factor;
}
}
}
return result;
};
GLTFLoader.prototype._loadVertexDataAsync = function (context, mesh, primitive, onSuccess) {
var _this = this;
var attributes = primitive.attributes;
if (!attributes) {
throw new Error(context + ": Attributes are missing");
}
if (primitive.mode && primitive.mode !== GLTF2.EMeshPrimitiveMode.TRIANGLES) {
// TODO: handle other primitive modes
throw new Error(context + ": Mode " + primitive.mode + " is not currently supported");
}
var vertexData = new BABYLON.VertexData();
var numRemainingAttributes = Object.keys(attributes).length;
var _loop_3 = function (attribute) {
var accessor = GLTFLoader._GetProperty(this_3._gltf.accessors, attributes[attribute]);
if (!accessor) {
throw new Error(context + ": Failed to find attribute '" + attribute + "' accessor " + attributes[attribute]);
}
this_3._loadAccessorAsync("#/accessors/" + accessor.index, accessor, function (data) {
switch (attribute) {
case "POSITION": {
vertexData.positions = data;
break;
}
case "NORMAL": {
vertexData.normals = data;
break;
}
case "TANGENT": {
vertexData.tangents = data;
break;
}
case "TEXCOORD_0": {
vertexData.uvs = _this._convertToFloat4TextureCoordArray(context, data, accessor);
break;
}
case "TEXCOORD_1": {
vertexData.uvs2 = _this._convertToFloat4TextureCoordArray(context, data, accessor);
break;
}
case "JOINTS_0": {
vertexData.matricesIndices = new Float32Array(Array.prototype.slice.apply(data));
break;
}
case "WEIGHTS_0": {
//TODO: need to add support for normalized weights.
vertexData.matricesWeights = data;
break;
}
case "COLOR_0": {
vertexData.colors = _this._convertToFloat4ColorArray(context, data, accessor);
var hasVertexAlpha = GLTFLoader._GetNumComponents(context, accessor.type) === 4;
if (!mesh.hasVertexAlpha && hasVertexAlpha) {
mesh.hasVertexAlpha = hasVertexAlpha;
}
break;
}
default: {
BABYLON.Tools.Warn(context + ": Ignoring unrecognized attribute '" + attribute + "'");
break;
}
}
if (--numRemainingAttributes === 0) {
if (primitive.indices == null) {
vertexData.indices = new Uint32Array(vertexData.positions.length / 3);
for (var i = 0; i < vertexData.indices.length; i++) {
vertexData.indices[i] = i;
}
onSuccess(vertexData);
}
else {
var indicesAccessor = GLTFLoader._GetProperty(_this._gltf.accessors, primitive.indices);
if (!indicesAccessor) {
throw new Error(context + ": Failed to find indices accessor " + primitive.indices);
}
_this._loadAccessorAsync("#/accessors/" + indicesAccessor.index, indicesAccessor, function (data) {
vertexData.indices = data;
onSuccess(vertexData);
});
}
}
});
};
var this_3 = this;
for (var attribute in attributes) {
_loop_3(attribute);
}
};
GLTFLoader.prototype._createMorphTargets = function (context, node, mesh) {
var primitives = mesh.primitives;
var targets = primitives[0].targets;
if (!targets) {
return;
}
for (var _i = 0, primitives_2 = primitives; _i < primitives_2.length; _i++) {
var primitive = primitives_2[_i];
if (!primitive.targets || primitive.targets.length != targets.length) {
throw new Error(context + ": All primitives are required to list the same number of targets");
}
}
var morphTargetManager = new BABYLON.MorphTargetManager();
node.babylonMesh.morphTargetManager = morphTargetManager;
for (var index = 0; index < targets.length; index++) {
var weight = node.weights ? node.weights[index] : mesh.weights ? mesh.weights[index] : 0;
morphTargetManager.addTarget(new BABYLON.MorphTarget("morphTarget" + index, weight));
}
};
GLTFLoader.prototype._loadMorphTargets = function (context, node, mesh) {
var morphTargetManager = node.babylonMesh.morphTargetManager;
if (!morphTargetManager) {
return;
}
this._loadAllMorphTargetVertexDataAsync(context, node, mesh, function () {
var numTargets = morphTargetManager.numTargets;
for (var index = 0; index < numTargets; index++) {
var vertexData = new BABYLON.VertexData();
for (var _i = 0, _a = mesh.primitives; _i < _a.length; _i++) {
var primitive = _a[_i];
vertexData.merge(primitive.targetsVertexData[index], { tangentLength: 3 });
}
if (!vertexData.positions) {
throw new Error(context + ": Positions are missing");
}
var target = morphTargetManager.getTarget(index);
target.setPositions(vertexData.positions);
target.setNormals(vertexData.normals);
target.setTangents(vertexData.tangents);
}
});
};
GLTFLoader.prototype._loadAllMorphTargetVertexDataAsync = function (context, node, mesh, onSuccess) {
var numRemainingTargets = mesh.primitives.length * node.babylonMesh.morphTargetManager.numTargets;
var _loop_4 = function (primitive) {
var targets = primitive.targets;
primitive.targetsVertexData = new Array(targets.length);
var _loop_5 = function (index) {
this_4._loadMorphTargetVertexDataAsync(context + "/targets/" + index, primitive.vertexData, targets[index], function (vertexData) {
primitive.targetsVertexData[index] = vertexData;
if (--numRemainingTargets === 0) {
onSuccess();
}
});
};
for (var index = 0; index < targets.length; index++) {
_loop_5(index);
}
};
var this_4 = this;
for (var _i = 0, _a = mesh.primitives; _i < _a.length; _i++) {
var primitive = _a[_i];
_loop_4(primitive);
}
};
GLTFLoader.prototype._loadMorphTargetVertexDataAsync = function (context, vertexData, attributes, onSuccess) {
var targetVertexData = new BABYLON.VertexData();
var numRemainingAttributes = Object.keys(attributes).length;
var _loop_6 = function (attribute) {
var accessor = GLTFLoader._GetProperty(this_5._gltf.accessors, attributes[attribute]);
if (!accessor) {
throw new Error(context + ": Failed to find attribute '" + attribute + "' accessor " + attributes[attribute]);
}
this_5._loadAccessorAsync("#/accessors/" + accessor.index, accessor, function (data) {
// glTF stores morph target information as deltas while babylon.js expects the final data.
// As a result we have to add the original data to the delta to calculate the final data.
var values = data;
switch (attribute) {
case "POSITION": {
for (var i = 0; i < values.length; i++) {
values[i] += vertexData.positions[i];
}
targetVertexData.positions = values;
break;
}
case "NORMAL": {
for (var i = 0; i < values.length; i++) {
values[i] += vertexData.normals[i];
}
targetVertexData.normals = values;
break;
}
case "TANGENT": {
// Tangent data for morph targets is stored as xyz delta.
// The vertexData.tangent is stored as xyzw.
// So we need to skip every fourth vertexData.tangent.
for (var i = 0, j = 0; i < values.length; i++, j++) {
values[i] += vertexData.tangents[j];
if ((i + 1) % 3 == 0) {
j++;
}
}
targetVertexData.tangents = values;
break;
}
default: {
BABYLON.Tools.Warn(context + ": Ignoring unrecognized attribute '" + attribute + "'");
break;
}
}
if (--numRemainingAttributes === 0) {
onSuccess(targetVertexData);
}
});
};
var this_5 = this;
for (var attribute in attributes) {
_loop_6(attribute);
}
};
GLTFLoader.prototype._loadTransform = function (node) {
var position = BABYLON.Vector3.Zero();
var rotation = BABYLON.Quaternion.Identity();
var scaling = BABYLON.Vector3.One();
if (node.matrix) {
var matrix = BABYLON.Matrix.FromArray(node.matrix);
matrix.decompose(scaling, rotation, position);
}
else {
if (node.translation)
position = BABYLON.Vector3.FromArray(node.translation);
if (node.rotation)
rotation = BABYLON.Quaternion.FromArray(node.rotation);
if (node.scale)
scaling = BABYLON.Vector3.FromArray(node.scale);
}
node.babylonMesh.position = position;
node.babylonMesh.rotationQuaternion = rotation;
node.babylonMesh.scaling = scaling;
};
GLTFLoader.prototype._loadSkinAsync = function (context, skin, onSuccess) {
var _this = this;
if (skin.babylonSkeleton) {
onSuccess();
return;
}
var skeletonId = "skeleton" + skin.index;
skin.babylonSkeleton = new BABYLON.Skeleton(skin.name || skeletonId, skeletonId, this._babylonScene);
if (skin.inverseBindMatrices == null) {
this._loadBones(context, skin, null);
onSuccess();
}
else {
var accessor = GLTFLoader._GetProperty(this._gltf.accessors, skin.inverseBindMatrices);
if (!accessor) {
throw new Error(context + ": Failed to find inverse bind matrices attribute " + skin.inverseBindMatrices);
}
this._loadAccessorAsync("#/accessors/" + accessor.index, accessor, function (data) {
_this._loadBones(context, skin, data);
onSuccess();
});
}
};
GLTFLoader.prototype._createBone = function (node, skin, parent, localMatrix, baseMatrix, index) {
var babylonBone = new BABYLON.Bone(node.name || "bone" + node.index, skin.babylonSkeleton, parent, localMatrix, null, baseMatrix, index);
node.babylonAnimationTargets = node.babylonAnimationTargets || [];
node.babylonAnimationTargets.push(babylonBone);
return babylonBone;
};
GLTFLoader.prototype._loadBones = function (context, skin, inverseBindMatrixData) {
var babylonBones = {};
for (var _i = 0, _a = skin.joints; _i < _a.length; _i++) {
var index = _a[_i];
var node = GLTFLoader._GetProperty(this._gltf.nodes, index);
if (!node) {
throw new Error(context + ": Failed to find joint " + index);
}
this._loadBone(node, skin, inverseBindMatrixData, babylonBones);
}
};
GLTFLoader.prototype._loadBone = function (node, skin, inverseBindMatrixData, babylonBones) {
var babylonBone = babylonBones[node.index];
if (babylonBone) {
return babylonBone;
}
var boneIndex = skin.joints.indexOf(node.index);
var baseMatrix = BABYLON.Matrix.Identity();
if (inverseBindMatrixData && boneIndex !== -1) {
baseMatrix = BABYLON.Matrix.FromArray(inverseBindMatrixData, boneIndex * 16);
baseMatrix.invertToRef(baseMatrix);
}
var babylonParentBone = null;
if (node.parent !== this._rootNode) {
babylonParentBone = this._loadBone(node.parent, skin, inverseBindMatrixData, babylonBones);
baseMatrix.multiplyToRef(babylonParentBone.getInvertedAbsoluteTransform(), baseMatrix);
}
babylonBone = this._createBone(node, skin, babylonParentBone, this._getNodeMatrix(node), baseMatrix, boneIndex);
babylonBones[node.index] = babylonBone;
return babylonBone;
};
GLTFLoader.prototype._getNodeMatrix = function (node) {
return node.matrix ?
BABYLON.Matrix.FromArray(node.matrix) :
BABYLON.Matrix.Compose(node.scale ? BABYLON.Vector3.FromArray(node.scale) : BABYLON.Vector3.One(), node.rotation ? BABYLON.Quaternion.FromArray(node.rotation) : BABYLON.Quaternion.Identity(), node.translation ? BABYLON.Vector3.FromArray(node.translation) : BABYLON.Vector3.Zero());
};
GLTFLoader.prototype._traverseNodes = function (context, indices, action, parentNode) {
for (var _i = 0, indices_1 = indices; _i < indices_1.length; _i++) {
var index = indices_1[_i];
var node = GLTFLoader._GetProperty(this._gltf.nodes, index);
if (!node) {
throw new Error(context + ": Failed to find node " + index);
}
this._traverseNode(context, node, action, parentNode);
}
};
GLTFLoader.prototype._traverseNode = function (context, node, action, parentNode) {
if (GLTF2.GLTFLoaderExtension.TraverseNode(this, context, node, action, parentNode)) {
return;
}
if (!action(node, parentNode)) {
return;
}
if (node.children) {
this._traverseNodes(context, node.children, action, node);
}
};
GLTFLoader.prototype._loadAnimations = function () {
var animations = this._gltf.animations;
if (!animations) {
return;
}
for (var index = 0; index < animations.length; index++) {
var animation = animations[index];
this._loadAnimation("#/animations/" + index, animation);
}
};
GLTFLoader.prototype._loadAnimation = function (context, animation) {
animation.targets = [];
for (var index = 0; index < animation.channels.length; index++) {
var channel = GLTFLoader._GetProperty(animation.channels, index);
if (!channel) {
throw new Error(context + ": Failed to find channel " + index);
}
var sampler = GLTFLoader._GetProperty(animation.samplers, channel.sampler);
if (!sampler) {
throw new Error(context + ": Failed to find sampler " + channel.sampler);
}
this._loadAnimationChannel(animation, context + "/channels/" + index, channel, context + "/samplers/" + channel.sampler, sampler);
}
};
GLTFLoader.prototype._loadAnimationChannel = function (animation, channelContext, channel, samplerContext, sampler) {
var targetNode = GLTFLoader._GetProperty(this._gltf.nodes, channel.target.node);
if (!targetNode) {
throw new Error(channelContext + ": Failed to find target node " + channel.target.node);
}
var targetPath;
var animationType;
switch (channel.target.path) {
case "translation": {
targetPath = "position";
animationType = BABYLON.Animation.ANIMATIONTYPE_VECTOR3;
break;
}
case "rotation": {
targetPath = "rotationQuaternion";
animationType = BABYLON.Animation.ANIMATIONTYPE_QUATERNION;
break;
}
case "scale": {
targetPath = "scaling";
animationType = BABYLON.Animation.ANIMATIONTYPE_VECTOR3;
break;
}
case "weights": {
targetPath = "influence";
animationType = BABYLON.Animation.ANIMATIONTYPE_FLOAT;
break;
}
default: {
throw new Error(channelContext + ": Invalid target path " + channel.target.path);
}
}
var inputData;
var outputData;
var checkSuccess = function () {
if (!inputData || !outputData) {
return;
}
var outputBufferOffset = 0;
var getNextOutputValue;
switch (targetPath) {
case "position": {
getNextOutputValue = function () {
var value = BABYLON.Vector3.FromArray(outputData, outputBufferOffset);
outputBufferOffset += 3;
return value;
};
break;
}
case "rotationQuaternion": {
getNextOutputValue = function () {
var value = BABYLON.Quaternion.FromArray(outputData, outputBufferOffset);
outputBufferOffset += 4;
return value;
};
break;
}
case "scaling": {
getNextOutputValue = function () {
var value = BABYLON.Vector3.FromArray(outputData, outputBufferOffset);
outputBufferOffset += 3;
return value;
};
break;
}
case "influence": {
getNextOutputValue = function () {
var numTargets = targetNode.babylonMesh.morphTargetManager.numTargets;
var value = new Array(numTargets);
for (var i = 0; i < numTargets; i++) {
value[i] = outputData[outputBufferOffset++];
}
return value;
};
break;
}
}
var getNextKey;
switch (sampler.interpolation) {
case "LINEAR": {
getNextKey = function (frameIndex) { return ({
frame: inputData[frameIndex],
value: getNextOutputValue()
}); };
break;
}
case "CUBICSPLINE": {
getNextKey = function (frameIndex) { return ({
frame: inputData[frameIndex],
inTangent: getNextOutputValue(),
value: getNextOutputValue(),
outTangent: getNextOutputValue()
}); };
break;
}
default: {
throw new Error(samplerContext + ": Invalid interpolation " + sampler.interpolation);
}
}
;
var keys;
if (inputData.length === 1) {
var key = getNextKey(0);
keys = [
{ frame: key.frame, value: key.value },
{ frame: key.frame + 1, value: key.value }
];
}
else {
keys = new Array(inputData.length);
for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
keys[frameIndex] = getNextKey(frameIndex);
}
}
if (targetPath === "influence") {
var morphTargetManager = targetNode.babylonMesh.morphTargetManager;
var _loop_7 = function (targetIndex) {
var morphTarget = morphTargetManager.getTarget(targetIndex);
var animationName = (animation.name || "anim" + animation.index) + "_" + targetIndex;
var babylonAnimation = new BABYLON.Animation(animationName, targetPath, 1, animationType);
babylonAnimation.setKeys(keys.map(function (key) { return ({
frame: key.frame,
inTangent: key.inTangent ? key.inTangent[targetIndex] : undefined,
value: key.value[targetIndex],
outTangent: key.outTangent ? key.outTangent[targetIndex] : undefined
}); }));
morphTarget.animations.push(babylonAnimation);
animation.targets.push(morphTarget);
};
for (var targetIndex = 0; targetIndex < morphTargetManager.numTargets; targetIndex++) {
_loop_7(targetIndex);
}
}
else {
var animationName = animation.name || "anim" + animation.index;
var babylonAnimation = new BABYLON.Animation(animationName, targetPath, 1, animationType);
babylonAnimation.setKeys(keys);
if (targetNode.babylonAnimationTargets) {
for (var _i = 0, _a = targetNode.babylonAnimationTargets; _i < _a.length; _i++) {
var target = _a[_i];
target.animations.push(babylonAnimation.clone());
animation.targets.push(target);
}
}
}
};
var inputAccessor = GLTFLoader._GetProperty(this._gltf.accessors, sampler.input);
if (!inputAccessor) {
throw new Error(samplerContext + ": Failed to find input accessor " + sampler.input);
}
this._loadAccessorAsync("#/accessors/" + inputAccessor.index, inputAccessor, function (data) {
inputData = data;
checkSuccess();
});
var outputAccessor = GLTFLoader._GetProperty(this._gltf.accessors, sampler.output);
if (!outputAccessor) {
throw new Error(samplerContext + ": Failed to find output accessor " + sampler.output);
}
this._loadAccessorAsync("#/accessors/" + outputAccessor.index, outputAccessor, function (data) {
outputData = data;
checkSuccess();
});
};
GLTFLoader.prototype._loadBufferAsync = function (context, buffer, onSuccess) {
var _this = this;
this._addPendingData(buffer);
if (buffer.loadedData) {
onSuccess(buffer.loadedData);
this._removePendingData(buffer);
}
else if (buffer.loadedObservable) {
buffer.loadedObservable.add(function (buffer) {
onSuccess(buffer.loadedData);
_this._removePendingData(buffer);
});
}
else {
if (!buffer.uri) {
throw new Error(context + ": Uri is missing");
}
buffer.loadedObservable = new BABYLON.Observable();
buffer.loadedObservable.add(function (buffer) {
onSuccess(buffer.loadedData);
_this._removePendingData(buffer);
});
this._loadUriAsync(context, buffer.uri, function (data) {
buffer.loadedData = data;
buffer.loadedObservable.notifyObservers(buffer);
buffer.loadedObservable = undefined;
});
}
};
GLTFLoader.prototype._loadBufferViewAsync = function (context, bufferView, onSuccess) {
var buffer = GLTFLoader._GetProperty(this._gltf.buffers, bufferView.buffer);
if (!buffer) {
throw new Error(context + ": Failed to find buffer " + bufferView.buffer);
}
this._loadBufferAsync("#/buffers/" + buffer.index, buffer, function (bufferData) {
var data;
try {
data = new Uint8Array(bufferData.buffer, bufferData.byteOffset + (bufferView.byteOffset || 0), bufferView.byteLength);
}
catch (e) {
throw new Error(context + ": " + e.message);
}
onSuccess(data);
});
};
GLTFLoader.prototype._loadAccessorAsync = function (context, accessor, onSuccess) {
var _this = this;
if (accessor.sparse) {
throw new Error(context + ": Sparse accessors are not currently supported");
}
var bufferView = GLTFLoader._GetProperty(this._gltf.bufferViews, accessor.bufferView);
if (!bufferView) {
throw new Error(context + ": Failed to find buffer view " + accessor.bufferView);
}
this._loadBufferViewAsync("#/bufferViews/" + bufferView.index, bufferView, function (bufferViewData) {
var numComponents = GLTFLoader._GetNumComponents(context, accessor.type);
var data;
var byteOffset = accessor.byteOffset || 0;
var byteStride = bufferView.byteStride;
if (byteStride === 0) {
BABYLON.Tools.Warn(context + ": Byte stride of 0 is not valid");
}
try {
switch (accessor.componentType) {
case GLTF2.EComponentType.BYTE: {
data = _this._buildArrayBuffer(Float32Array, bufferViewData, byteOffset, accessor.count, numComponents, byteStride);
break;
}
case GLTF2.EComponentType.UNSIGNED_BYTE: {
data = _this._buildArrayBuffer(Uint8Array, bufferViewData, byteOffset, accessor.count, numComponents, byteStride);
break;
}
case GLTF2.EComponentType.SHORT: {
data = _this._buildArrayBuffer(Int16Array, bufferViewData, byteOffset, accessor.count, numComponents, byteStride);
break;
}
case GLTF2.EComponentType.UNSIGNED_SHORT: {
data = _this._buildArrayBuffer(Uint16Array, bufferViewData, byteOffset, accessor.count, numComponents, byteStride);
break;
}
case GLTF2.EComponentType.UNSIGNED_INT: {
data = _this._buildArrayBuffer(Uint32Array, bufferViewData, byteOffset, accessor.count, numComponents, byteStride);
break;
}
case GLTF2.EComponentType.FLOAT: {
data = _this._buildArrayBuffer(Float32Array, bufferViewData, byteOffset, accessor.count, numComponents, byteStride);
break;
}
default: {
throw new Error(context + ": Invalid component type " + accessor.componentType);
}
}
}
catch (e) {
throw new Error(context + ": " + e);
}
onSuccess(data);
});
};
GLTFLoader.prototype._buildArrayBuffer = function (typedArray, data, byteOffset, count, numComponents, byteStride) {
byteOffset += data.byteOffset;
var targetLength = count * numComponents;
if (!byteStride || byteStride === numComponents * typedArray.BYTES_PER_ELEMENT) {
return new typedArray(data.buffer, byteOffset, targetLength);
}
var elementStride = byteStride / typedArray.BYTES_PER_ELEMENT;
var sourceBuffer = new typedArray(data.buffer, byteOffset, elementStride * count);
var targetBuffer = new typedArray(targetLength);
var sourceIndex = 0;
var targetIndex = 0;
while (targetIndex < targetLength) {
for (var componentIndex = 0; componentIndex < numComponents; componentIndex++) {
targetBuffer[targetIndex] = sourceBuffer[sourceIndex + componentIndex];
targetIndex++;
}
sourceIndex += elementStride;
}
return targetBuffer;
};
GLTFLoader.prototype._addPendingData = function (data) {
if (!this._renderReady) {
this._renderPendingCount++;
}
this._addLoaderPendingData(data);
};
GLTFLoader.prototype._removePendingData = function (data) {
var _this = this;
if (!this._renderReady) {
if (--this._renderPendingCount === 0) {
this._addLoaderPendingData(this);
this._compileMaterialsAsync(function () {
_this._compileShadowGeneratorsAsync(function () {
_this._removeLoaderPendingData(_this);
_this._renderReady = true;
_this._onRenderReady();
});
});
}
}
this._removeLoaderPendingData(data);
};
GLTFLoader.prototype._addLoaderPendingData = function (data) {
this._loaderPendingCount++;
for (var _i = 0, _a = this._loaderTrackers; _i < _a.length; _i++) {
var tracker = _a[_i];
tracker._addPendingData(data);
}
};
GLTFLoader.prototype._removeLoaderPendingData = function (data) {
for (var _i = 0, _a = this._loaderTrackers; _i < _a.length; _i++) {
var tracker = _a[_i];
tracker._removePendingData(data);
}
if (--this._loaderPendingCount === 0) {
this._onComplete();
}
};
GLTFLoader.prototype._whenAction = function (action, onComplete) {
var _this = this;
var tracker = new GLTFLoaderTracker(function () {
_this._loaderTrackers.splice(_this._loaderTrackers.indexOf(tracker), 1);
onComplete();
});
this._loaderTrackers.push(tracker);
this._addLoaderPendingData(tracker);
action();
this._removeLoaderPendingData(tracker);
};
GLTFLoader.prototype._getDefaultMaterial = function () {
if (!this._defaultMaterial) {
var id = "__gltf_default";
var material = this._babylonScene.getMaterialByName(id);
if (!material) {
material = new BABYLON.PBRMaterial(id, this._babylonScene);
material.transparencyMode = BABYLON.PBRMaterial.PBRMATERIAL_OPAQUE;
material.sideOrientation = BABYLON.Material.ClockWiseSideOrientation;
material.metallic = 1;
material.roughness = 1;
}
this._defaultMaterial = material;
}
return this._defaultMaterial;
};
GLTFLoader.prototype._loadMaterialMetallicRoughnessProperties = function (context, material) {
var babylonMaterial = material.babylonMaterial;
// Ensure metallic workflow
babylonMaterial.metallic = 1;
babylonMaterial.roughness = 1;
var properties = material.pbrMetallicRoughness;
if (!properties) {
return;
}
babylonMaterial.albedoColor = properties.baseColorFactor ? BABYLON.Color3.FromArray(properties.baseColorFactor) : new BABYLON.Color3(1, 1, 1);
babylonMaterial.metallic = properties.metallicFactor == null ? 1 : properties.metallicFactor;
babylonMaterial.roughness = properties.roughnessFactor == null ? 1 : properties.roughnessFactor;
if (properties.baseColorTexture) {
var texture = GLTFLoader._GetProperty(this._gltf.textures, properties.baseColorTexture.index);
if (!texture) {
throw new Error(context + ": Failed to find base color texture " + properties.baseColorTexture.index);
}
babylonMaterial.albedoTexture = this._loadTexture("#/textures/" + texture.index, texture, properties.baseColorTexture.texCoord);
}
if (properties.metallicRoughnessTexture) {
var texture = GLTFLoader._GetProperty(this._gltf.textures, properties.metallicRoughnessTexture.index);
if (!texture) {
throw new Error(context + ": Failed to find metallic roughness texture " + properties.metallicRoughnessTexture.index);
}
babylonMaterial.metallicTexture = this._loadTexture("#/textures/" + texture.index, texture, properties.metallicRoughnessTexture.texCoord);
babylonMaterial.useMetallnessFromMetallicTextureBlue = true;
babylonMaterial.useRoughnessFromMetallicTextureGreen = true;
babylonMaterial.useRoughnessFromMetallicTextureAlpha = false;
}
this._loadMaterialAlphaProperties(context, material, properties.baseColorFactor);
};
GLTFLoader.prototype._loadMaterial = function (context, material, assign) {
if (material.babylonMaterial) {
assign(material.babylonMaterial, false);
return;
}
if (GLTF2.GLTFLoaderExtension.LoadMaterial(this, context, material, assign)) {
return;
}
this._createPbrMaterial(material);
this._loadMaterialBaseProperties(context, material);
this._loadMaterialMetallicRoughnessProperties(context, material);
assign(material.babylonMaterial, true);
};
GLTFLoader.prototype._createPbrMaterial = function (material) {
var babylonMaterial = new BABYLON.PBRMaterial(material.name || "mat" + material.index, this._babylonScene);
babylonMaterial.sideOrientation = BABYLON.Material.ClockWiseSideOrientation;
material.babylonMaterial = babylonMaterial;
};
GLTFLoader.prototype._loadMaterialBaseProperties = function (context, material) {
var babylonMaterial = material.babylonMaterial;
babylonMaterial.emissiveColor = material.emissiveFactor ? BABYLON.Color3.FromArray(material.emissiveFactor) : new BABYLON.Color3(0, 0, 0);
if (material.doubleSided) {
babylonMaterial.backFaceCulling = false;
babylonMaterial.twoSidedLighting = true;
}
if (material.normalTexture) {
var texture = GLTFLoader._GetProperty(this._gltf.textures, material.normalTexture.index);
if (!texture) {
throw new Error(context + ": Failed to find normal texture " + material.normalTexture.index);
}
babylonMaterial.bumpTexture = this._loadTexture("#/textures/" + texture.index, texture, material.normalTexture.texCoord);
babylonMaterial.invertNormalMapX = !this._babylonScene.useRightHandedSystem;
babylonMaterial.invertNormalMapY = this._babylonScene.useRightHandedSystem;
if (material.normalTexture.scale != null) {
babylonMaterial.bumpTexture.level = material.normalTexture.scale;
}
}
if (material.occlusionTexture) {
var texture = GLTFLoader._GetProperty(this._gltf.textures, material.occlusionTexture.index);
if (!texture) {
throw new Error(context + ": Failed to find occlusion texture " + material.occlusionTexture.index);
}
babylonMaterial.ambientTexture = this._loadTexture("#/textures/" + texture.index, texture, material.occlusionTexture.texCoord);
babylonMaterial.useAmbientInGrayScale = true;
if (material.occlusionTexture.strength != null) {
babylonMaterial.ambientTextureStrength = material.occlusionTexture.strength;
}
}
if (material.emissiveTexture) {
var texture = GLTFLoader._GetProperty(this._gltf.textures, material.emissiveTexture.index);
if (!texture) {
throw new Error(context + ": Failed to find emissive texture " + material.emissiveTexture.index);
}
babylonMaterial.emissiveTexture = this._loadTexture("#/textures/" + texture.index, texture, material.emissiveTexture.texCoord);
}
};
GLTFLoader.prototype._loadMaterialAlphaProperties = function (context, material, colorFactor) {
var babylonMaterial = material.babylonMaterial;
var alphaMode = material.alphaMode || "OPAQUE";
switch (alphaMode) {
case "OPAQUE": {
babylonMaterial.transparencyMode = BABYLON.PBRMaterial.PBRMATERIAL_OPAQUE;
break;
}
case "MASK": {
babylonMaterial.transparencyMode = BABYLON.PBRMaterial.PBRMATERIAL_ALPHATEST;
babylonMaterial.alphaCutOff = (material.alphaCutoff == null ? 0.5 : material.alphaCutoff);
if (colorFactor) {
if (colorFactor[3] == 0) {
babylonMaterial.alphaCutOff = 1;
}
else {
babylonMaterial.alphaCutOff /= colorFactor[3];
}
}
if (babylonMaterial.albedoTexture) {
babylonMaterial.albedoTexture.hasAlpha = true;
}
break;
}
case "BLEND": {
babylonMaterial.transparencyMode = BABYLON.PBRMaterial.PBRMATERIAL_ALPHABLEND;
if (colorFactor) {
babylonMaterial.alpha = colorFactor[3];
}
if (babylonMaterial.albedoTexture) {
babylonMaterial.albedoTexture.hasAlpha = true;
babylonMaterial.useAlphaFromAlbedoTexture = true;
}
break;
}
default: {
throw new Error(context + ": Invalid alpha mode " + material.alphaMode);
}
}
};
GLTFLoader.prototype._loadTexture = function (context, texture, coordinatesIndex) {
var _this = this;
var sampler = (texture.sampler == undefined ? this._defaultSampler : GLTFLoader._GetProperty(this._gltf.samplers, texture.sampler));
if (!sampler) {
throw new Error(context + ": Failed to find sampler " + texture.sampler);
}
this._loadSampler("#/samplers/" + sampler.index, sampler);
this._addPendingData(texture);
var babylonTexture = new BABYLON.Texture(null, this._babylonScene, sampler.noMipMaps, false, sampler.samplingMode, function () {
_this._tryCatchOnError(function () {
_this._removePendingData(texture);
});
}, function (message) {
_this._tryCatchOnError(function () {
throw new Error(context + ": " + message);
});
});
if (texture.url) {
babylonTexture.updateURL(texture.url);
}
else if (texture.dataReadyObservable) {
texture.dataReadyObservable.add(function (texture) {
babylonTexture.updateURL(texture.url);
});
}
else {
texture.dataReadyObservable = new BABYLON.Observable();
texture.dataReadyObservable.add(function (texture) {
babylonTexture.updateURL(texture.url);
});
var image_1 = GLTFLoader._GetProperty(this._gltf.images, texture.source);
if (!image_1) {
throw new Error(context + ": Failed to find source " + texture.source);
}
this._loadImageAsync("#/images/" + image_1.index, image_1, function (data) {
texture.url = URL.createObjectURL(new Blob([data], { type: image_1.mimeType }));
texture.dataReadyObservable.notifyObservers(texture);
texture.dataReadyObservable = undefined;
});
}
babylonTexture.coordinatesIndex = coordinatesIndex || 0;
babylonTexture.wrapU = sampler.wrapU;
babylonTexture.wrapV = sampler.wrapV;
babylonTexture.name = texture.name || "texture" + texture.index;
this.onTextureLoadedObservable.notifyObservers(babylonTexture);
return babylonTexture;
};
GLTFLoader.prototype._loadSampler = function (context, sampler) {
if (sampler.noMipMaps != undefined) {
return;
}
sampler.noMipMaps = (sampler.minFilter === GLTF2.ETextureMinFilter.NEAREST || sampler.minFilter === GLTF2.ETextureMinFilter.LINEAR);
sampler.samplingMode = GLTFLoader._GetTextureSamplingMode(context, sampler.magFilter, sampler.minFilter);
sampler.wrapU = GLTFLoader._GetTextureWrapMode(context, sampler.wrapS);
sampler.wrapV = GLTFLoader._GetTextureWrapMode(context, sampler.wrapT);
};
GLTFLoader.prototype._loadImageAsync = function (context, image, onSuccess) {
if (image.uri) {
this._loadUriAsync(context, image.uri, onSuccess);
}
else {
var bufferView = GLTFLoader._GetProperty(this._gltf.bufferViews, image.bufferView);
if (!bufferView) {
throw new Error(context + ": Failed to find buffer view " + image.bufferView);
}
this._loadBufferViewAsync("#/bufferViews/" + bufferView.index, bufferView, onSuccess);
}
};
GLTFLoader.prototype._loadUriAsync = function (context, uri, onSuccess) {
var _this = this;
if (GLTF2.GLTFUtils.IsBase64(uri)) {
onSuccess(new Uint8Array(GLTF2.GLTFUtils.DecodeBase64(uri)));
return;
}
if (!GLTF2.GLTFUtils.ValidateUri(uri)) {
throw new Error(context + ": Uri '" + uri + "' is invalid");
}
var request = BABYLON.Tools.LoadFile(this._rootUrl + uri, function (data) {
_this._tryCatchOnError(function () {
onSuccess(new Uint8Array(data));
});
}, function (event) {
_this._tryCatchOnError(function () {
if (request && !_this._renderReady) {
request._lengthComputable = event.lengthComputable;
request._loaded = event.loaded;
request._total = event.total;
_this._onProgress();
}
});
}, this._babylonScene.database, true, function (request, exception) {
_this._tryCatchOnError(function () {
throw new BABYLON.LoadFileError(context + ": Failed to load '" + uri + "'" + (request ? ": " + request.status + " " + request.statusText : ""), request);
});
});
this._requests.push(request);
request.onCompleteObservable.add(function () {
_this._requests.splice(_this._requests.indexOf(request), 1);
});
};
GLTFLoader.prototype._tryCatchOnError = function (handler) {
if (this._disposed) {
return;
}
try {
handler();
}
catch (e) {
BABYLON.Tools.Error("glTF Loader: " + e.message);
if (this._errorCallback) {
this._errorCallback(e.message, e);
}
this.dispose();
}
};
GLTFLoader._AssignIndices = function (array) {
if (array) {
for (var index = 0; index < array.length; index++) {
array[index].index = index;
}
}
};
GLTFLoader._GetProperty = function (array, index) {
if (!array || index == undefined || !array[index]) {
return null;
}
return array[index];
};
GLTFLoader._GetTextureWrapMode = function (context, mode) {
// Set defaults if undefined
mode = mode == undefined ? GLTF2.ETextureWrapMode.REPEAT : mode;
switch (mode) {
case GLTF2.ETextureWrapMode.CLAMP_TO_EDGE: return BABYLON.Texture.CLAMP_ADDRESSMODE;
case GLTF2.ETextureWrapMode.MIRRORED_REPEAT: return BABYLON.Texture.MIRROR_ADDRESSMODE;
case GLTF2.ETextureWrapMode.REPEAT: return BABYLON.Texture.WRAP_ADDRESSMODE;
default:
BABYLON.Tools.Warn(context + ": Invalid texture wrap mode " + mode);
return BABYLON.Texture.WRAP_ADDRESSMODE;
}
};
GLTFLoader._GetTextureSamplingMode = function (context, magFilter, minFilter) {
// Set defaults if undefined
magFilter = magFilter == undefined ? GLTF2.ETextureMagFilter.LINEAR : magFilter;
minFilter = minFilter == undefined ? GLTF2.ETextureMinFilter.LINEAR_MIPMAP_LINEAR : minFilter;
if (magFilter === GLTF2.ETextureMagFilter.LINEAR) {
switch (minFilter) {
case GLTF2.ETextureMinFilter.NEAREST: return BABYLON.Texture.LINEAR_NEAREST;
case GLTF2.ETextureMinFilter.LINEAR: return BABYLON.Texture.LINEAR_LINEAR;
case GLTF2.ETextureMinFilter.NEAREST_MIPMAP_NEAREST: return BABYLON.Texture.LINEAR_NEAREST_MIPNEAREST;
case GLTF2.ETextureMinFilter.LINEAR_MIPMAP_NEAREST: return BABYLON.Texture.LINEAR_LINEAR_MIPNEAREST;
case GLTF2.ETextureMinFilter.NEAREST_MIPMAP_LINEAR: return BABYLON.Texture.LINEAR_NEAREST_MIPLINEAR;
case GLTF2.ETextureMinFilter.LINEAR_MIPMAP_LINEAR: return BABYLON.Texture.LINEAR_LINEAR_MIPLINEAR;
default:
BABYLON.Tools.Warn(context + ": Invalid texture minification filter " + minFilter);
return BABYLON.Texture.LINEAR_LINEAR_MIPLINEAR;
}
}
else {
if (magFilter !== GLTF2.ETextureMagFilter.NEAREST) {
BABYLON.Tools.Warn(context + ": Invalid texture magnification filter " + magFilter);
}
switch (minFilter) {
case GLTF2.ETextureMinFilter.NEAREST: return BABYLON.Texture.NEAREST_NEAREST;
case GLTF2.ETextureMinFilter.LINEAR: return BABYLON.Texture.NEAREST_LINEAR;
case GLTF2.ETextureMinFilter.NEAREST_MIPMAP_NEAREST: return BABYLON.Texture.NEAREST_NEAREST_MIPNEAREST;
case GLTF2.ETextureMinFilter.LINEAR_MIPMAP_NEAREST: return BABYLON.Texture.NEAREST_LINEAR_MIPNEAREST;
case GLTF2.ETextureMinFilter.NEAREST_MIPMAP_LINEAR: return BABYLON.Texture.NEAREST_NEAREST_MIPLINEAR;
case GLTF2.ETextureMinFilter.LINEAR_MIPMAP_LINEAR: return BABYLON.Texture.NEAREST_LINEAR_MIPLINEAR;
default:
BABYLON.Tools.Warn(context + ": Invalid texture minification filter " + minFilter);
return BABYLON.Texture.NEAREST_NEAREST_MIPNEAREST;
}
}
};
GLTFLoader._GetNumComponents = function (context, type) {
switch (type) {
case "SCALAR": return 1;
case "VEC2": return 2;
case "VEC3": return 3;
case "VEC4": return 4;
case "MAT2": return 4;
case "MAT3": return 9;
case "MAT4": return 16;
}
throw new Error(context + ": Invalid type " + type);
};
GLTFLoader.prototype._compileMaterialAsync = function (babylonMaterial, babylonMesh, onSuccess) {
var _this = this;
if (this.useClipPlane) {
babylonMaterial.forceCompilation(babylonMesh, function () {
babylonMaterial.forceCompilation(babylonMesh, function () {
_this._tryCatchOnError(onSuccess);
}, { clipPlane: true });
});
}
else {
babylonMaterial.forceCompilation(babylonMesh, function () {
_this._tryCatchOnError(onSuccess);
});
}
};
GLTFLoader.prototype._compileMaterialsAsync = function (onSuccess) {
if (!this.compileMaterials || !this._gltf.materials) {
onSuccess();
return;
}
var meshes = this._getMeshes();
var remaining = 0;
for (var _i = 0, meshes_1 = meshes; _i < meshes_1.length; _i++) {
var mesh = meshes_1[_i];
if (mesh.material instanceof BABYLON.MultiMaterial) {
for (var _a = 0, _b = mesh.material.subMaterials; _a < _b.length; _a++) {
var subMaterial = _b[_a];
if (subMaterial) {
remaining++;
}
}
}
else if (mesh.material) {
remaining++;
}
}
if (remaining === 0) {
onSuccess();
return;
}
for (var _c = 0, meshes_2 = meshes; _c < meshes_2.length; _c++) {
var mesh = meshes_2[_c];
if (mesh.material instanceof BABYLON.MultiMaterial) {
for (var _d = 0, _e = mesh.material.subMaterials; _d < _e.length; _d++) {
var subMaterial = _e[_d];
if (subMaterial) {
this._compileMaterialAsync(subMaterial, mesh, function () {
if (--remaining === 0) {
onSuccess();
}
});
}
}
}
else if (mesh.material) {
this._compileMaterialAsync(mesh.material, mesh, function () {
if (--remaining === 0) {
onSuccess();
}
});
}
}
};
GLTFLoader.prototype._compileShadowGeneratorsAsync = function (onSuccess) {
var _this = this;
if (!this.compileShadowGenerators) {
onSuccess();
return;
}
var lights = this._babylonScene.lights;
var remaining = 0;
for (var _i = 0, lights_1 = lights; _i < lights_1.length; _i++) {
var light = lights_1[_i];
var generator = light.getShadowGenerator();
if (generator) {
remaining++;
}
}
if (remaining === 0) {
onSuccess();
return;
}
for (var _a = 0, lights_2 = lights; _a < lights_2.length; _a++) {
var light = lights_2[_a];
var generator = light.getShadowGenerator();
if (generator) {
generator.forceCompilation(function () {
if (--remaining === 0) {
_this._tryCatchOnError(onSuccess);
}
});
}
}
};
GLTFLoader.prototype._abortRequests = function () {
for (var _i = 0, _a = this._requests; _i < _a.length; _i++) {
var request = _a[_i];
request.abort();
}
this._requests.length = 0;
};
GLTFLoader.prototype._releaseResources = function () {
if (this._gltf.textures) {
for (var _i = 0, _a = this._gltf.textures; _i < _a.length; _i++) {
var texture = _a[_i];
if (texture.url) {
URL.revokeObjectURL(texture.url);
texture.url = undefined;
}
}
}
};
GLTFLoader.Extensions = {};
return GLTFLoader;
}());
GLTF2.GLTFLoader = GLTFLoader;
BABYLON.GLTFFileLoader.CreateGLTFLoaderV2 = function () { return new GLTFLoader(); };
})(GLTF2 = BABYLON.GLTF2 || (BABYLON.GLTF2 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFLoader.js.map
///
var BABYLON;
(function (BABYLON) {
var GLTF2;
(function (GLTF2) {
/**
* Utils functions for GLTF
*/
var GLTFUtils = /** @class */ (function () {
function GLTFUtils() {
}
/**
* If the uri is a base64 string
* @param uri: the uri to test
*/
GLTFUtils.IsBase64 = function (uri) {
return uri.length < 5 ? false : uri.substr(0, 5) === "data:";
};
/**
* Decode the base64 uri
* @param uri: the uri to decode
*/
GLTFUtils.DecodeBase64 = function (uri) {
var decodedString = atob(uri.split(",")[1]);
var bufferLength = decodedString.length;
var bufferView = new Uint8Array(new ArrayBuffer(bufferLength));
for (var i = 0; i < bufferLength; i++) {
bufferView[i] = decodedString.charCodeAt(i);
}
return bufferView.buffer;
};
GLTFUtils.ValidateUri = function (uri) {
return (uri.indexOf("..") === -1);
};
return GLTFUtils;
}());
GLTF2.GLTFUtils = GLTFUtils;
})(GLTF2 = BABYLON.GLTF2 || (BABYLON.GLTF2 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFLoaderUtils.js.map
///
var BABYLON;
(function (BABYLON) {
var GLTF2;
(function (GLTF2) {
var GLTFLoaderExtension = /** @class */ (function () {
function GLTFLoaderExtension() {
this.enabled = true;
}
GLTFLoaderExtension.prototype._traverseNode = function (loader, context, node, action, parentNode) { return false; };
GLTFLoaderExtension.prototype._loadNode = function (loader, context, node) { return false; };
GLTFLoaderExtension.prototype._loadMaterial = function (loader, context, material, assign) { return false; };
GLTFLoaderExtension.prototype._loadExtension = function (context, property, action) {
var _this = this;
if (!property.extensions) {
return false;
}
var extension = property.extensions[this.name];
if (!extension) {
return false;
}
// Clear out the extension before executing the action to avoid recursing into the same property.
property.extensions[this.name] = undefined;
action(context + "extensions/" + this.name, extension, function () {
// Restore the extension after completing the action.
property.extensions[_this.name] = extension;
});
return true;
};
GLTFLoaderExtension.TraverseNode = function (loader, context, node, action, parentNode) {
return this._ApplyExtensions(function (extension) { return extension._traverseNode(loader, context, node, action, parentNode); });
};
GLTFLoaderExtension.LoadNode = function (loader, context, node) {
return this._ApplyExtensions(function (extension) { return extension._loadNode(loader, context, node); });
};
GLTFLoaderExtension.LoadMaterial = function (loader, context, material, assign) {
return this._ApplyExtensions(function (extension) { return extension._loadMaterial(loader, context, material, assign); });
};
GLTFLoaderExtension._ApplyExtensions = function (action) {
var extensions = GLTFLoaderExtension._Extensions;
if (!extensions) {
return false;
}
for (var _i = 0, extensions_1 = extensions; _i < extensions_1.length; _i++) {
var extension = extensions_1[_i];
if (extension.enabled && action(extension)) {
return true;
}
}
return false;
};
//
// Utilities
//
GLTFLoaderExtension._Extensions = [];
return GLTFLoaderExtension;
}());
GLTF2.GLTFLoaderExtension = GLTFLoaderExtension;
})(GLTF2 = BABYLON.GLTF2 || (BABYLON.GLTF2 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=babylon.glTFLoaderExtension.js.map
///
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var BABYLON;
(function (BABYLON) {
var GLTF2;
(function (GLTF2) {
var Extensions;
(function (Extensions) {
// See https://github.com/sbtron/glTF/tree/MSFT_lod/extensions/Vendor/MSFT_lod for more information about this extension.
var MSFTLOD = /** @class */ (function (_super) {
__extends(MSFTLOD, _super);
function MSFTLOD() {
var _this = _super !== null && _super.apply(this, arguments) || this;
/**
* Specify the minimal delay between LODs in ms (default = 250)
*/
_this.Delay = 250;
return _this;
}
Object.defineProperty(MSFTLOD.prototype, "name", {
get: function () {
return "MSFT_lod";
},
enumerable: true,
configurable: true
});
MSFTLOD.prototype._traverseNode = function (loader, context, node, action, parentNode) {
return this._loadExtension(context, node, function (context, extension, onComplete) {
for (var i = extension.ids.length - 1; i >= 0; i--) {
var lodNode = GLTF2.GLTFLoader._GetProperty(loader._gltf.nodes, extension.ids[i]);
if (!lodNode) {
throw new Error(context + ": Failed to find node " + extension.ids[i]);
}
loader._traverseNode(context, lodNode, action, parentNode);
}
loader._traverseNode(context, node, action, parentNode);
onComplete();
});
};
MSFTLOD.prototype._loadNode = function (loader, context, node) {
var _this = this;
return this._loadExtension(context, node, function (context, extension, onComplete) {
var nodes = [node];
for (var _i = 0, _a = extension.ids; _i < _a.length; _i++) {
var index = _a[_i];
var lodNode = GLTF2.GLTFLoader._GetProperty(loader._gltf.nodes, index);
if (!lodNode) {
throw new Error(context + ": Failed to find node " + index);
}
nodes.push(lodNode);
}
loader._addLoaderPendingData(node);
_this._loadNodeLOD(loader, context, nodes, nodes.length - 1, function () {
loader._removeLoaderPendingData(node);
onComplete();
});
});
};
MSFTLOD.prototype._loadNodeLOD = function (loader, context, nodes, index, onComplete) {
var _this = this;
loader._whenAction(function () {
loader._loadNode(context, nodes[index]);
}, function () {
if (index !== nodes.length - 1) {
var previousNode = nodes[index + 1];
previousNode.babylonMesh.setEnabled(false);
}
if (index === 0) {
onComplete();
return;
}
setTimeout(function () {
loader._tryCatchOnError(function () {
_this._loadNodeLOD(loader, context, nodes, index - 1, onComplete);
});
}, _this.Delay);
});
};
MSFTLOD.prototype._loadMaterial = function (loader, context, material, assign) {
var _this = this;
return this._loadExtension(context, material, function (context, extension, onComplete) {
var materials = [material];
for (var _i = 0, _a = extension.ids; _i < _a.length; _i++) {
var index = _a[_i];
var lodMaterial = GLTF2.GLTFLoader._GetProperty(loader._gltf.materials, index);
if (!lodMaterial) {
throw new Error(context + ": Failed to find material " + index);
}
materials.push(lodMaterial);
}
loader._addLoaderPendingData(material);
_this._loadMaterialLOD(loader, context, materials, materials.length - 1, assign, function () {
loader._removeLoaderPendingData(material);
onComplete();
});
});
};
MSFTLOD.prototype._loadMaterialLOD = function (loader, context, materials, index, assign, onComplete) {
var _this = this;
loader._loadMaterial(context, materials[index], function (babylonMaterial, isNew) {
if (index === materials.length - 1) {
assign(babylonMaterial, isNew);
// Load the next LOD when the loader is ready to render.
loader._executeWhenRenderReady(function () {
_this._loadMaterialLOD(loader, context, materials, index - 1, assign, onComplete);
});
}
else {
BABYLON.BaseTexture.WhenAllReady(babylonMaterial.getActiveTextures(), function () {
assign(babylonMaterial, isNew);
if (index === 0) {
onComplete();
}
else {
setTimeout(function () {
loader._tryCatchOnError(function () {
_this._loadMaterialLOD(loader, context, materials, index - 1, assign, onComplete);
});
}, _this.Delay);
}
});
}
});
};
return MSFTLOD;
}(GLTF2.GLTFLoaderExtension));
Extensions.MSFTLOD = MSFTLOD;
GLTF2.GLTFLoader.RegisterExtension(new MSFTLOD());
})(Extensions = GLTF2.Extensions || (GLTF2.Extensions = {}));
})(GLTF2 = BABYLON.GLTF2 || (BABYLON.GLTF2 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=MSFT_lod.js.map
///
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var BABYLON;
(function (BABYLON) {
var GLTF2;
(function (GLTF2) {
var Extensions;
(function (Extensions) {
var KHRMaterialsPbrSpecularGlossiness = /** @class */ (function (_super) {
__extends(KHRMaterialsPbrSpecularGlossiness, _super);
function KHRMaterialsPbrSpecularGlossiness() {
return _super !== null && _super.apply(this, arguments) || this;
}
Object.defineProperty(KHRMaterialsPbrSpecularGlossiness.prototype, "name", {
get: function () {
return "KHR_materials_pbrSpecularGlossiness";
},
enumerable: true,
configurable: true
});
KHRMaterialsPbrSpecularGlossiness.prototype._loadMaterial = function (loader, context, material, assign) {
var _this = this;
return this._loadExtension(context, material, function (context, extension, onComplete) {
loader._createPbrMaterial(material);
loader._loadMaterialBaseProperties(context, material);
_this._loadSpecularGlossinessProperties(loader, context, material, extension);
assign(material.babylonMaterial, true);
onComplete();
});
};
KHRMaterialsPbrSpecularGlossiness.prototype._loadSpecularGlossinessProperties = function (loader, context, material, properties) {
var babylonMaterial = material.babylonMaterial;
babylonMaterial.albedoColor = properties.diffuseFactor ? BABYLON.Color3.FromArray(properties.diffuseFactor) : new BABYLON.Color3(1, 1, 1);
babylonMaterial.reflectivityColor = properties.specularFactor ? BABYLON.Color3.FromArray(properties.specularFactor) : new BABYLON.Color3(1, 1, 1);
babylonMaterial.microSurface = properties.glossinessFactor == null ? 1 : properties.glossinessFactor;
if (properties.diffuseTexture) {
var texture = GLTF2.GLTFLoader._GetProperty(loader._gltf.textures, properties.diffuseTexture.index);
if (!texture) {
throw new Error(context + ": Failed to find diffuse texture " + properties.diffuseTexture.index);
}
babylonMaterial.albedoTexture = loader._loadTexture("textures[" + texture.index + "]", texture, properties.diffuseTexture.texCoord);
}
if (properties.specularGlossinessTexture) {
var texture = GLTF2.GLTFLoader._GetProperty(loader._gltf.textures, properties.specularGlossinessTexture.index);
if (!texture) {
throw new Error(context + ": Failed to find diffuse texture " + properties.specularGlossinessTexture.index);
}
babylonMaterial.reflectivityTexture = loader._loadTexture("textures[" + texture.index + "]", texture, properties.specularGlossinessTexture.texCoord);
babylonMaterial.reflectivityTexture.hasAlpha = true;
babylonMaterial.useMicroSurfaceFromReflectivityMapAlpha = true;
}
loader._loadMaterialAlphaProperties(context, material, properties.diffuseFactor);
};
return KHRMaterialsPbrSpecularGlossiness;
}(GLTF2.GLTFLoaderExtension));
Extensions.KHRMaterialsPbrSpecularGlossiness = KHRMaterialsPbrSpecularGlossiness;
GLTF2.GLTFLoader.RegisterExtension(new KHRMaterialsPbrSpecularGlossiness());
})(Extensions = GLTF2.Extensions || (GLTF2.Extensions = {}));
})(GLTF2 = BABYLON.GLTF2 || (BABYLON.GLTF2 = {}));
})(BABYLON || (BABYLON = {}));
//# sourceMappingURL=KHR_materials_pbrSpecularGlossiness.js.map