///
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.loadAssetsAsync = function (scene, data, rootUrl, onSuccess, onProgress, onError) {
try {
var loaderData = this._parse(data);
this._loader = this._getLoader(loaderData);
this._loader.importMeshAsync(null, scene, loaderData, rootUrl, function (meshes, particleSystems, skeletons) {
var container = new BABYLON.AssetContainer(scene);
Array.prototype.push.apply(container.meshes, meshes);
Array.prototype.push.apply(container.particleSystems, particleSystems);
Array.prototype.push.apply(container.skeletons, skeletons);
container.removeAllFromScene();
onSuccess(container);
}, 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 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;
}
}
sampler.interpolation = sampler.interpolation || "LINEAR";
var getNextKey;
switch (sampler.interpolation) {
case "STEP": {
getNextKey = function (frameIndex) { return ({
frame: inputData[frameIndex],
value: getNextOutputValue(),
interpolation: BABYLON.AnimationKeyInterpolation.STEP
}); };
break;
}
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