Babylon.js/dist/preview release/loaders/babylon.glTF1FileLoader.js

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/***/ "../../node_modules/tslib/tslib.es6.js":
/*!***********************************************************!*\
  !*** C:/Repos/Babylon.js/node_modules/tslib/tslib.es6.js ***!
  \***********************************************************/
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/***/ (function(module, __webpack_exports__, __webpack_require__) {

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/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__classPrivateFieldSet", function() { return __classPrivateFieldSet; });
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
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/***/ }),

/***/ "../../node_modules/webpack/buildin/global.js":
/*!***********************************!*\
  !*** (webpack)/buildin/global.js ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports) {

var g;

// This works in non-strict mode
g = (function() {
	return this;
})();

try {
	// This works if eval is allowed (see CSP)
	g = g || new Function("return this")();
} catch (e) {
	// This works if the window reference is available
	if (typeof window === "object") g = window;
}

// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}

module.exports = g;


/***/ }),

/***/ "./glTF/1.0/glTFBinaryExtension.ts":
/*!*****************************************!*\
  !*** ./glTF/1.0/glTFBinaryExtension.ts ***!
  \*****************************************/
/*! exports provided: GLTFBinaryExtension */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFBinaryExtension", function() { return GLTFBinaryExtension; });
/* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
/* harmony import */ var _glTFLoader__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./glTFLoader */ "./glTF/1.0/glTFLoader.ts");
/* harmony import */ var _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./glTFLoaderUtils */ "./glTF/1.0/glTFLoaderUtils.ts");
/* harmony import */ var _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./glTFLoaderInterfaces */ "./glTF/1.0/glTFLoaderInterfaces.ts");





var BinaryExtensionBufferName = "binary_glTF";
/** @hidden */
var GLTFBinaryExtension = /** @class */ (function (_super) {
    Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__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(_glTFLoader__WEBPACK_IMPORTED_MODULE_1__["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;
        }
        this._bin.readAsync(0, this._bin.byteLength).then(onSuccess, function (error) { return onError(error.message); });
        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 = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["GLTFUtils"].GetBufferFromBufferView(gltfRuntime, bufferView, 0, bufferView.byteLength, _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_3__["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 = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["GLTFUtils"].GetBufferFromBufferView(gltfRuntime, bufferView, 0, bufferView.byteLength, _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_3__["EComponentType"].UNSIGNED_BYTE);
        setTimeout(function () {
            var shaderString = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["GLTFUtils"].DecodeBufferToText(shaderBytes);
            onSuccess(shaderString);
        });
        return true;
    };
    return GLTFBinaryExtension;
}(_glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoaderExtension"]));

_glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"].RegisterExtension(new GLTFBinaryExtension());


/***/ }),

/***/ "./glTF/1.0/glTFLoader.ts":
/*!********************************!*\
  !*** ./glTF/1.0/glTFLoader.ts ***!
  \********************************/
/*! exports provided: GLTFLoaderBase, GLTFLoader, GLTFLoaderExtension */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderBase", function() { return GLTFLoaderBase; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFLoader", function() { return GLTFLoader; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderExtension", function() { return GLTFLoaderExtension; });
/* harmony import */ var _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./glTFLoaderInterfaces */ "./glTF/1.0/glTFLoaderInterfaces.ts");
/* harmony import */ var babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math.vector */ "babylonjs/Misc/observable");
/* harmony import */ var babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./glTFLoaderUtils */ "./glTF/1.0/glTFLoaderUtils.ts");
/* harmony import */ var _glTFFileLoader__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../glTFFileLoader */ "./glTF/glTFFileLoader.ts");




























/**
* 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.currentToken = ETokenType.UNKNOWN;
        this.currentIdentifier = "";
        this.currentString = "";
        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 = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["GLTFUtils"].GetBufferFromAccessor(gltfRuntime, gltfRuntime.accessors[inputData]);
            var bufferOutput = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["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) {
                babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].Warn("Creating animation named " + anim + ". But cannot find node named " + targetID + " to attach to");
                continue;
            }
            var isBone = targetNode instanceof babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Animation"].ANIMATIONTYPE_MATRIX;
            if (!isBone) {
                if (targetPath === "rotationQuaternion") {
                    animationType = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Animation"].ANIMATIONTYPE_QUATERNION;
                    targetNode.rotationQuaternion = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Quaternion"]();
                }
                else {
                    animationType = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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) {
                gltfRuntime.scene._blockEntityCollection = gltfRuntime.forAssetContainer;
                babylonAnimation = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Animation"](anim, isBone ? "_matrix" : targetPath, 1, animationType, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Animation"].ANIMATIONLOOPMODE_CYCLE);
                gltfRuntime.scene._blockEntityCollection = false;
            }
            // For each frame
            for (var j = 0; j < bufferInput.length; j++) {
                var value = null;
                if (targetPath === "rotationQuaternion") { // VEC4
                    value = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Quaternion"].FromArray([bufferOutput[arrayOffset], bufferOutput[arrayOffset + 1], bufferOutput[arrayOffset + 2], bufferOutput[arrayOffset + 3]]);
                    arrayOffset += 4;
                }
                else { // Position and scaling are VEC3
                    value = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray([bufferOutput[arrayOffset], bufferOutput[arrayOffset + 1], bufferOutput[arrayOffset + 2]]);
                    arrayOffset += 3;
                }
                if (isBone) {
                    var bone = targetNode;
                    var translation = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero();
                    var rotationQuaternion = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Quaternion"]();
                    var scaling = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(node.scale || [1, 1, 1]);
        var rotation = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Quaternion"].FromArray(node.rotation || [0, 0, 0, 1]);
        var position = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(node.translation || [0, 0, 0]);
        mat = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Matrix"].Compose(scale, rotation, position);
    }
    else {
        mat = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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) {
            babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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) {
                babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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) {
        gltfRuntime.scene._blockEntityCollection = gltfRuntime.forAssetContainer;
        newMesh = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Mesh"](node.name || "", gltfRuntime.scene);
        gltfRuntime.scene._blockEntityCollection = false;
        newMesh.id = id;
    }
    if (!node.babylonNode) {
        return newMesh;
    }
    var subMaterials = [];
    var vertexData = null;
    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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["GLTFUtils"].GetBufferFromAccessor(gltfRuntime, accessor);
                if (semantic === "NORMAL") {
                    tempVertexData.normals = new Float32Array(buffer.length);
                    tempVertexData.normals.set(buffer);
                }
                else if (semantic === "POSITION") {
                    if (_glTFFileLoader__WEBPACK_IMPORTED_MODULE_3__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["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);
            }
            if (!vertexData) {
                vertexData = tempVertexData;
            }
            else {
                vertexData.merge(tempVertexData);
            }
            // Sub material
            var material_1 = gltfRuntime.scene.getMaterialByID(primitive.material);
            subMaterials.push(material_1 === null ? _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["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;
    gltfRuntime.scene._blockEntityCollection = gltfRuntime.forAssetContainer;
    if (subMaterials.length > 1) {
        material = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["MultiMaterial"]("multimat" + id, gltfRuntime.scene);
        material.subMaterials = subMaterials;
    }
    else {
        material = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["StandardMaterial"]("multimat" + id, gltfRuntime.scene);
    }
    if (subMaterials.length === 1) {
        material = subMaterials[0];
    }
    if (!newMesh.material) {
        newMesh.material = material;
    }
    // Apply geometry
    new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Geometry"](id, gltfRuntime.scene, vertexData, false, newMesh);
    newMesh.computeWorldMatrix(true);
    gltfRuntime.scene._blockEntityCollection = false;
    // 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;
            }
            babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"](0, 0, 0);
        var rotation = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Quaternion"]();
        var scaling = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"](0, 0, 0);
        var mat = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Matrix"].FromArray(node.matrix);
        mat.decompose(scaling, rotation, position);
        configureNode(newNode, position, rotation, scaling);
    }
    else if (node.translation && node.rotation && node.scale) {
        configureNode(newNode, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(node.translation), babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Quaternion"].FromArray(node.rotation), babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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;
    }
    // Lights
    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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["HemisphericLight"](node.light, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene);
                hemiLight.name = node.name || "";
                if (ambienLight.color) {
                    hemiLight.diffuse = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Color3"].FromArray(ambienLight.color);
                }
                lastNode = hemiLight;
            }
            else if (light.type === "directional") {
                var directionalLight = light[light.type];
                var dirLight = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["DirectionalLight"](node.light, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene);
                dirLight.name = node.name || "";
                if (directionalLight.color) {
                    dirLight.diffuse = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Color3"].FromArray(directionalLight.color);
                }
                lastNode = dirLight;
            }
            else if (light.type === "point") {
                var pointLight = light[light.type];
                var ptLight = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["PointLight"](node.light, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene);
                ptLight.name = node.name || "";
                if (pointLight.color) {
                    ptLight.diffuse = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Color3"].FromArray(pointLight.color);
                }
                lastNode = ptLight;
            }
            else if (light.type === "spot") {
                var spotLight = light[light.type];
                var spLight = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["SpotLight"](node.light, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), 0, 0, gltfRuntime.scene);
                spLight.name = node.name || "";
                if (spotLight.color) {
                    spLight.diffuse = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Color3"].FromArray(spotLight.color);
                }
                if (spotLight.fallOfAngle) {
                    spLight.angle = spotLight.fallOfAngle;
                }
                if (spotLight.fallOffExponent) {
                    spLight.exponent = spotLight.fallOffExponent;
                }
                lastNode = spLight;
            }
        }
    }
    // Cameras
    else if (node.camera && !node.babylonNode && !gltfRuntime.importOnlyMeshes) {
        var camera = gltfRuntime.cameras[node.camera];
        if (camera) {
            gltfRuntime.scene._blockEntityCollection = gltfRuntime.forAssetContainer;
            if (camera.type === "orthographic") {
                var orthoCamera = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["FreeCamera"](node.camera, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene, false);
                orthoCamera.name = node.name || "";
                orthoCamera.mode = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Camera"].ORTHOGRAPHIC_CAMERA;
                orthoCamera.attachControl(gltfRuntime.scene.getEngine().getInputElement());
                lastNode = orthoCamera;
            }
            else if (camera.type === "perspective") {
                var perspectiveCamera = camera[camera.type];
                var persCamera = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["FreeCamera"](node.camera, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene, false);
                persCamera.name = node.name || "";
                persCamera.attachControl(gltfRuntime.scene.getEngine().getInputElement());
                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;
            }
            gltfRuntime.scene._blockEntityCollection = false;
        }
    }
    // Empty node
    if (!node.jointName) {
        if (node.babylonNode) {
            return node.babylonNode;
        }
        else if (lastNode === null) {
            gltfRuntime.scene._blockEntityCollection = gltfRuntime.forAssetContainer;
            var dummy = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Mesh"](node.name || "", gltfRuntime.scene);
            gltfRuntime.scene._blockEntityCollection = false;
            node.babylonNode = dummy;
            lastNode = dummy;
        }
    }
    if (lastNode !== null) {
        if (node.matrix && lastNode instanceof babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(translation), babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Quaternion"].FromArray(rotation), babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_MAT2 || type === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_MAT3 || type === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_MAT4) {
            if (uniform.semantic && !uniform.source && !uniform.node) {
                _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["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;
                }
                _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["GLTFUtils"].SetMatrix(gltfRuntime.scene, source, uniform, unif, shaderMaterial.getEffect());
            }
        }
        else {
            var value = materialValues[technique.uniforms[unif]];
            if (!value) {
                continue;
            }
            if (type === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["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 {
                _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["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 === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].SAMPLER_2D) {
            GLTFLoaderExtension.LoadTextureAsync(gltfRuntime, material.values ? value : uniform.value, onLoadTexture(unif), function () { return onLoadTexture(null); });
        }
        // Others
        else {
            if (uniform.value && _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["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) {
        GLTFLoaderExtension.LoadMaterialAsync(gltfRuntime, mat, function (material) { }, function () { });
    }
};
/**
* Implementation of the base glTF spec
* @hidden
*/
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: [],
            forAssetContainer: false
        };
        // 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 (babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].IsBase64(buffer.uri)) {
            setTimeout(function () { return onSuccess(new Uint8Array(babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].DecodeBase64(buffer.uri))); });
        }
        else {
            babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 (babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].IsBase64(source.uri)) {
            setTimeout(function () { return onSuccess(new Uint8Array(babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].DecodeBase64(source.uri))); });
        }
        else {
            babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].NEAREST_MIPMAP_NEAREST) ||
            (sampler.minFilter === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].NEAREST_MIPMAP_LINEAR) ||
            (sampler.minFilter === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].LINEAR_MIPMAP_NEAREST) ||
            (sampler.minFilter === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].LINEAR_MIPMAP_LINEAR);
        var samplingMode = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Texture"].BILINEAR_SAMPLINGMODE;
        var blob = buffer == null ? new Blob() : new Blob([buffer]);
        var blobURL = URL.createObjectURL(blob);
        var revokeBlobURL = function () { return URL.revokeObjectURL(blobURL); };
        var newTexture = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Texture"](blobURL, gltfRuntime.scene, !createMipMaps, true, samplingMode, revokeBlobURL, revokeBlobURL);
        if (sampler.wrapS !== undefined) {
            newTexture.wrapU = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["GLTFUtils"].GetWrapMode(sampler.wrapS);
        }
        if (sampler.wrapT !== undefined) {
            newTexture.wrapV = _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_2__["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 (babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].IsBase64(shader.uri)) {
            var shaderString = atob(shader.uri.split(",")[1]);
            if (onSuccess) {
                onSuccess(shaderString);
            }
        }
        else {
            babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].LoadFile(gltfRuntime.rootUrl + shader.uri, onSuccess, undefined, undefined, false, function (request) {
                if (request && onError) {
                    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) {
            gltfRuntime.scene._blockEntityCollection = gltfRuntime.forAssetContainer;
            var defaultMaterial = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["StandardMaterial"](id, gltfRuntime.scene);
            gltfRuntime.scene._blockEntityCollection = false;
            defaultMaterial.diffuseColor = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Color3"](0.5, 0.5, 0.5);
            defaultMaterial.sideOrientation = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Material"].CounterClockWiseSideOrientation;
            onSuccess(defaultMaterial);
            return;
        }
        var program = gltfRuntime.programs[technique.program];
        var states = technique.states;
        var vertexShader = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Effect"].ShadersStore[program.vertexShader + "VertexShader"];
        var pixelShader = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["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) {
                var name_1 = getAttribute(attributeParameter);
                if (name_1) {
                    attributes.push(name_1);
                }
            }
        }
        // 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
        };
        babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Effect"].ShadersStore[program.vertexShader + id + "VertexShader"] = newVertexShader;
        babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Effect"].ShadersStore[program.fragmentShader + id + "PixelShader"] = newPixelShader;
        var shaderMaterial = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["ShaderMaterial"](id, gltfRuntime.scene, shaderPath, options);
        shaderMaterial.onError = onShaderCompileError(program, shaderMaterial, onError);
        shaderMaterial.onCompiled = onShaderCompileSuccess(gltfRuntime, shaderMaterial, technique, material, unTreatedUniforms, onSuccess);
        shaderMaterial.sideOrientation = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Material"].CounterClockWiseSideOrientation;
        if (states && states.functions) {
            var functions = states.functions;
            if (functions.cullFace && functions.cullFace[0] !== _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ECullingType"].BACK) {
                shaderMaterial.backFaceCulling = false;
            }
            var blendFunc = functions.blendFuncSeparate;
            if (blendFunc) {
                if (blendFunc[0] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].SRC_ALPHA && blendFunc[1] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE_MINUS_SRC_ALPHA && blendFunc[2] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE && blendFunc[3] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE) {
                    shaderMaterial.alphaMode = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Constants"].ALPHA_COMBINE;
                }
                else if (blendFunc[0] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE && blendFunc[1] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE && blendFunc[2] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ZERO && blendFunc[3] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE) {
                    shaderMaterial.alphaMode = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Constants"].ALPHA_ONEONE;
                }
                else if (blendFunc[0] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].SRC_ALPHA && blendFunc[1] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE && blendFunc[2] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ZERO && blendFunc[3] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE) {
                    shaderMaterial.alphaMode = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Constants"].ALPHA_ADD;
                }
                else if (blendFunc[0] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ZERO && blendFunc[1] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE_MINUS_SRC_COLOR && blendFunc[2] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE && blendFunc[3] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE) {
                    shaderMaterial.alphaMode = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Constants"].ALPHA_SUBTRACT;
                }
                else if (blendFunc[0] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].DST_COLOR && blendFunc[1] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ZERO && blendFunc[2] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE && blendFunc[3] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE) {
                    shaderMaterial.alphaMode = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Constants"].ALPHA_MULTIPLY;
                }
                else if (blendFunc[0] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].SRC_ALPHA && blendFunc[1] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE_MINUS_SRC_COLOR && blendFunc[2] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE && blendFunc[3] === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EBlendingFunction"].ONE) {
                    shaderMaterial.alphaMode = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Constants"].ALPHA_MAXIMIZED;
                }
            }
        }
    };
    return GLTFLoaderBase;
}());

/**
* glTF V1 Loader
* @hidden
*/
var GLTFLoader = /** @class */ (function () {
    function GLTFLoader() {
        this.state = null;
    }
    GLTFLoader.RegisterExtension = function (extension) {
        if (GLTFLoader.Extensions[extension.name]) {
            babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].Error("Tool with the same name \"" + extension.name + "\" already exists");
            return;
        }
        GLTFLoader.Extensions[extension.name] = extension;
    };
    GLTFLoader.prototype.dispose = function () {
        // do nothing
    };
    GLTFLoader.prototype._importMeshAsync = function (meshesNames, scene, data, rootUrl, forAssetContainer, onSuccess, onProgress, onError) {
        var _this = this;
        scene.useRightHandedSystem = true;
        GLTFLoaderExtension.LoadRuntimeAsync(scene, data, rootUrl, function (gltfRuntime) {
            gltfRuntime.forAssetContainer = forAssetContainer;
            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 = [];
                babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["AbstractMesh"]) {
                    meshes.push(node.babylonNode);
                }
            }
            for (var skl in gltfRuntime.skins) {
                var skin = gltfRuntime.skins[skl];
                if (skin.babylonSkeleton instanceof babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Skeleton"]) {
                    skeletons.push(skin.babylonSkeleton);
                }
            }
            // Load buffers, shaders, materials, etc.
            _this._loadBuffersAsync(gltfRuntime, function () {
                _this._loadShadersAsync(gltfRuntime, function () {
                    importMaterials(gltfRuntime);
                    postLoad(gltfRuntime);
                    if (!_glTFFileLoader__WEBPACK_IMPORTED_MODULE_3__["GLTFFileLoader"].IncrementalLoading && onSuccess) {
                        onSuccess(meshes, skeletons);
                    }
                });
            }, onProgress);
            if (_glTFFileLoader__WEBPACK_IMPORTED_MODULE_3__["GLTFFileLoader"].IncrementalLoading && onSuccess) {
                onSuccess(meshes, skeletons);
            }
        }, onError);
        return true;
    };
    /**
    * Imports one or more meshes from a loaded gltf file and adds them to the scene
    * @param meshesNames a string or array of strings of the mesh names that should be loaded from the file
    * @param scene the scene the meshes should be added to
    * @param forAssetContainer defines if the entities must be stored in the scene
    * @param data gltf data containing information of the meshes in a loaded file
    * @param rootUrl root url to load from
    * @param onProgress event that fires when loading progress has occured
    * @returns a promise containg the loaded meshes, particles, skeletons and animations
    */
    GLTFLoader.prototype.importMeshAsync = function (meshesNames, scene, forAssetContainer, data, rootUrl, onProgress) {
        var _this = this;
        return new Promise(function (resolve, reject) {
            _this._importMeshAsync(meshesNames, scene, data, rootUrl, forAssetContainer, function (meshes, skeletons) {
                resolve({
                    meshes: meshes,
                    particleSystems: [],
                    skeletons: skeletons,
                    animationGroups: [],
                    lights: [],
                    transformNodes: []
                });
            }, onProgress, function (message) {
                reject(new Error(message));
            });
        });
    };
    GLTFLoader.prototype._loadAsync = function (scene, data, rootUrl, forAssetContainer, onSuccess, onProgress, onError) {
        var _this = this;
        scene.useRightHandedSystem = true;
        GLTFLoaderExtension.LoadRuntimeAsync(scene, data, rootUrl, function (gltfRuntime) {
            // Load runtime extensios
            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 (!_glTFFileLoader__WEBPACK_IMPORTED_MODULE_3__["GLTFFileLoader"].IncrementalLoading) {
                            onSuccess();
                        }
                    });
                });
                if (_glTFFileLoader__WEBPACK_IMPORTED_MODULE_3__["GLTFFileLoader"].IncrementalLoading) {
                    onSuccess();
                }
            }, onError);
        }, onError);
    };
    /**
    * Imports all objects from a loaded gltf file and adds them to the scene
    * @param scene the scene the objects should be added to
    * @param data gltf data containing information of the meshes in a loaded file
    * @param rootUrl root url to load from
    * @param onProgress event that fires when loading progress has occured
    * @returns a promise which completes when objects have been loaded to the scene
    */
    GLTFLoader.prototype.loadAsync = function (scene, data, rootUrl, onProgress) {
        var _this = this;
        return new Promise(function (resolve, reject) {
            _this._loadAsync(scene, data, rootUrl, false, function () {
                resolve();
            }, onProgress, function (message) {
                reject(new Error(message));
            });
        });
    };
    GLTFLoader.prototype._loadShadersAsync = function (gltfRuntime, onload) {
        var hasShaders = false;
        var processShader = function (sha, shader) {
            GLTFLoaderExtension.LoadShaderStringAsync(gltfRuntime, sha, function (shaderString) {
                if (shaderString instanceof ArrayBuffer) {
                    return;
                }
                gltfRuntime.loadedShaderCount++;
                if (shaderString) {
                    babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Effect"].ShadersStore[sha + (shader.type === _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EShaderType"].VERTEX ? "VertexShader" : "PixelShader")] = shaderString;
                }
                if (gltfRuntime.loadedShaderCount === gltfRuntime.shaderscount) {
                    onload();
                }
            }, function () {
                babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 {
                babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Tools"].Error("No shader named: " + sha);
            }
        }
        if (!hasShaders) {
            onload();
        }
    };
    GLTFLoader.prototype._loadBuffersAsync = function (gltfRuntime, onLoad, onProgress) {
        var hasBuffers = false;
        var processBuffer = function (buf, buffer) {
            GLTFLoaderExtension.LoadBufferAsync(gltfRuntime, buf, function (bufferView) {
                gltfRuntime.loadedBufferCount++;
                if (bufferView) {
                    if (bufferView.byteLength != gltfRuntime.buffers[buf].byteLength) {
                        babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 () {
                babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 {
                babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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;
}());

/** @hidden */
var GLTFLoaderExtension = /** @class */ (function () {
    function GLTFLoaderExtension(name) {
        this._name = name;
    }
    Object.defineProperty(GLTFLoaderExtension.prototype, "name", {
        get: function () {
            return this._name;
        },
        enumerable: false,
        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 () {
                if (!onSuccess) {
                    return;
                }
                onSuccess(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 () {
            GLTFLoaderBase.LoadBufferAsync(gltfRuntime, id, onSuccess, onError, onProgress);
        });
    };
    GLTFLoaderExtension.LoadTextureAsync = function (gltfRuntime, id, onSuccess, onError) {
        GLTFLoaderExtension.LoadTextureBufferAsync(gltfRuntime, id, function (buffer) {
            if (buffer) {
                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 () {
            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 () {
            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 () {
            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 () {
            GLTFLoaderBase.CreateTextureAsync(gltfRuntime, id, buffer, onSuccess, onError);
        });
    };
    GLTFLoaderExtension.ApplyExtensions = function (func, defaultFunc) {
        for (var extensionName in GLTFLoader.Extensions) {
            var loaderExtension = GLTFLoader.Extensions[extensionName];
            if (func(loaderExtension)) {
                return;
            }
        }
        defaultFunc();
    };
    return GLTFLoaderExtension;
}());

_glTFFileLoader__WEBPACK_IMPORTED_MODULE_3__["GLTFFileLoader"]._CreateGLTF1Loader = function () { return new GLTFLoader(); };


/***/ }),

/***/ "./glTF/1.0/glTFLoaderInterfaces.ts":
/*!******************************************!*\
  !*** ./glTF/1.0/glTFLoaderInterfaces.ts ***!
  \******************************************/
/*! exports provided: EComponentType, EShaderType, EParameterType, ETextureWrapMode, ETextureFilterType, ETextureFormat, ECullingType, EBlendingFunction */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "EComponentType", function() { return EComponentType; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "EShaderType", function() { return EShaderType; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "EParameterType", function() { return EParameterType; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ETextureWrapMode", function() { return ETextureWrapMode; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ETextureFilterType", function() { return ETextureFilterType; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ETextureFormat", function() { return ETextureFormat; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ECullingType", function() { return ECullingType; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "EBlendingFunction", function() { return EBlendingFunction; });
/**
* Enums
* @hidden
*/
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 || (EComponentType = {}));
/** @hidden */
var EShaderType;
(function (EShaderType) {
    EShaderType[EShaderType["FRAGMENT"] = 35632] = "FRAGMENT";
    EShaderType[EShaderType["VERTEX"] = 35633] = "VERTEX";
})(EShaderType || (EShaderType = {}));
/** @hidden */
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 || (EParameterType = {}));
/** @hidden */
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 || (ETextureWrapMode = {}));
/** @hidden */
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 || (ETextureFilterType = {}));
/** @hidden */
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 || (ETextureFormat = {}));
/** @hidden */
var ECullingType;
(function (ECullingType) {
    ECullingType[ECullingType["FRONT"] = 1028] = "FRONT";
    ECullingType[ECullingType["BACK"] = 1029] = "BACK";
    ECullingType[ECullingType["FRONT_AND_BACK"] = 1032] = "FRONT_AND_BACK";
})(ECullingType || (ECullingType = {}));
/** @hidden */
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 || (EBlendingFunction = {}));


/***/ }),

/***/ "./glTF/1.0/glTFLoaderUtils.ts":
/*!*************************************!*\
  !*** ./glTF/1.0/glTFLoaderUtils.ts ***!
  \*************************************/
/*! exports provided: GLTFUtils */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFUtils", function() { return GLTFUtils; });
/* harmony import */ var _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./glTFLoaderInterfaces */ "./glTF/1.0/glTFLoaderInterfaces.ts");
/* harmony import */ var babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math.vector */ "babylonjs/Misc/observable");
/* harmony import */ var babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__);






/**
* Utils functions for GLTF
* @hidden
*/
var GLTFUtils = /** @class */ (function () {
    function GLTFUtils() {
    }
    /**
     * Sets the given "parameter" matrix
     * @param scene: the 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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Matrix"].Transpose(source.getWorldMatrix().invert());
        }
        else {
            debugger;
        }
        if (mat) {
            switch (parameter.type) {
                case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_MAT2:
                    shaderMaterial.setMatrix2x2(uniformName, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Matrix"].GetAsMatrix2x2(mat));
                    break;
                case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_MAT3:
                    shaderMaterial.setMatrix3x3(uniformName, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Matrix"].GetAsMatrix3x3(mat));
                    break;
                case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["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 _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT:
                shaderMaterial.setFloat(uniform, value);
                return true;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_VEC2:
                shaderMaterial.setVector2(uniform, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector2"].FromArray(value));
                return true;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_VEC3:
                shaderMaterial.setVector3(uniform, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(value));
                return true;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_VEC4:
                shaderMaterial.setVector4(uniform, babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Vector4"].FromArray(value));
                return true;
            default: return false;
        }
    };
    /**
    * Returns the wrap mode of the texture
    * @param mode: the mode value
    */
    GLTFUtils.GetWrapMode = function (mode) {
        switch (mode) {
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureWrapMode"].CLAMP_TO_EDGE: return babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Texture"].CLAMP_ADDRESSMODE;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureWrapMode"].MIRRORED_REPEAT: return babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Texture"].MIRROR_ADDRESSMODE;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureWrapMode"].REPEAT: return babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Texture"].WRAP_ADDRESSMODE;
            default: return babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].LINEAR:
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].LINEAR_MIPMAP_NEAREST:
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].LINEAR_MIPMAP_LINEAR: return babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Texture"].TRILINEAR_SAMPLINGMODE;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].NEAREST:
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureFilterType"].NEAREST_MIPMAP_NEAREST: return babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Texture"].NEAREST_SAMPLINGMODE;
            default: return babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EComponentType"].BYTE: return new Int8Array(buffer, byteOffset, byteLength);
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EComponentType"].UNSIGNED_BYTE: return new Uint8Array(buffer, byteOffset, byteLength);
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EComponentType"].SHORT: return new Int16Array(buffer, byteOffset, byteLength);
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["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) {
            babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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");
            babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["ShaderMaterial"]("GLTFDefaultMaterial", scene, shaderPath, options);
            GLTFUtils._DefaultMaterial.setColor4("u_emission", new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_1__["Color4"](0.5, 0.5, 0.5, 1.0));
        }
        return GLTFUtils._DefaultMaterial;
    };
    // The GLTF default material
    GLTFUtils._DefaultMaterial = null;
    return GLTFUtils;
}());



/***/ }),

/***/ "./glTF/1.0/glTFMaterialsCommonExtension.ts":
/*!**************************************************!*\
  !*** ./glTF/1.0/glTFMaterialsCommonExtension.ts ***!
  \**************************************************/
/*! exports provided: GLTFMaterialsCommonExtension */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFMaterialsCommonExtension", function() { return GLTFMaterialsCommonExtension; });
/* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
/* harmony import */ var _glTFLoader__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./glTFLoader */ "./glTF/1.0/glTFLoader.ts");
/* harmony import */ var babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! babylonjs/Maths/math.vector */ "babylonjs/Misc/observable");
/* harmony import */ var babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__);













/** @hidden */
var GLTFMaterialsCommonExtension = /** @class */ (function (_super) {
    Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["HemisphericLight"](light.name, new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Vector3"](0, 1, 0), gltfRuntime.scene);
                        var ambient = light.ambient;
                        if (ambient) {
                            ambientLight.diffuse = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Color3"].FromArray(ambient.color || [1, 1, 1]);
                        }
                        break;
                    case "point":
                        var pointLight = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["PointLight"](light.name, new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Vector3"](10, 10, 10), gltfRuntime.scene);
                        var point = light.point;
                        if (point) {
                            pointLight.diffuse = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Color3"].FromArray(point.color || [1, 1, 1]);
                        }
                        break;
                    case "directional":
                        var dirLight = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["DirectionalLight"](light.name, new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Vector3"](0, -1, 0), gltfRuntime.scene);
                        var directional = light.directional;
                        if (directional) {
                            dirLight.diffuse = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Color3"].FromArray(directional.color || [1, 1, 1]);
                        }
                        break;
                    case "spot":
                        var spot = light.spot;
                        if (spot) {
                            var spotLight = new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["SpotLight"](light.name, new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Vector3"](0, 10, 0), new babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Vector3"](0, -1, 0), spot.fallOffAngle || Math.PI, spot.fallOffExponent || 0.0, gltfRuntime.scene);
                            spotLight.diffuse = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Color3"].FromArray(spot.color || [1, 1, 1]);
                        }
                        break;
                    default:
                        babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["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 babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["StandardMaterial"](id, gltfRuntime.scene);
        standardMaterial.sideOrientation = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["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 = babylonjs_Maths_math_vector__WEBPACK_IMPORTED_MODULE_2__["Color3"].FromArray(extension.values.specular || [0, 0, 0]);
        }
        return true;
    };
    GLTFMaterialsCommonExtension.prototype._loadTexture = function (gltfRuntime, id, material, propertyPath, onError) {
        // Create buffer from texture url
        _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoaderBase"].LoadTextureBufferAsync(gltfRuntime, id, function (buffer) {
            // Create texture from buffer
            _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoaderBase"].CreateTextureAsync(gltfRuntime, id, buffer, function (texture) { return material[propertyPath] = texture; }, onError);
        }, onError);
    };
    return GLTFMaterialsCommonExtension;
}(_glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoaderExtension"]));

_glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"].RegisterExtension(new GLTFMaterialsCommonExtension());


/***/ }),

/***/ "./glTF/1.0/index.ts":
/*!***************************!*\
  !*** ./glTF/1.0/index.ts ***!
  \***************************/
/*! exports provided: GLTFBinaryExtension, GLTFLoaderBase, GLTFLoader, GLTFLoaderExtension, EComponentType, EShaderType, EParameterType, ETextureWrapMode, ETextureFilterType, ETextureFormat, ECullingType, EBlendingFunction, GLTFUtils, GLTFMaterialsCommonExtension */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _glTFBinaryExtension__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./glTFBinaryExtension */ "./glTF/1.0/glTFBinaryExtension.ts");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFBinaryExtension", function() { return _glTFBinaryExtension__WEBPACK_IMPORTED_MODULE_0__["GLTFBinaryExtension"]; });

/* harmony import */ var _glTFLoader__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./glTFLoader */ "./glTF/1.0/glTFLoader.ts");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderBase", function() { return _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoaderBase"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoader", function() { return _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderExtension", function() { return _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoaderExtension"]; });

/* harmony import */ var _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./glTFLoaderInterfaces */ "./glTF/1.0/glTFLoaderInterfaces.ts");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "EComponentType", function() { return _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__["EComponentType"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "EShaderType", function() { return _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__["EShaderType"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "EParameterType", function() { return _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__["EParameterType"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ETextureWrapMode", function() { return _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__["ETextureWrapMode"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ETextureFilterType", function() { return _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__["ETextureFilterType"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ETextureFormat", function() { return _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__["ETextureFormat"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ECullingType", function() { return _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__["ECullingType"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "EBlendingFunction", function() { return _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_2__["EBlendingFunction"]; });

/* harmony import */ var _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./glTFLoaderUtils */ "./glTF/1.0/glTFLoaderUtils.ts");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFUtils", function() { return _glTFLoaderUtils__WEBPACK_IMPORTED_MODULE_3__["GLTFUtils"]; });

/* harmony import */ var _glTFMaterialsCommonExtension__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./glTFMaterialsCommonExtension */ "./glTF/1.0/glTFMaterialsCommonExtension.ts");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFMaterialsCommonExtension", function() { return _glTFMaterialsCommonExtension__WEBPACK_IMPORTED_MODULE_4__["GLTFMaterialsCommonExtension"]; });








/***/ }),

/***/ "./glTF/glTFFileLoader.ts":
/*!********************************!*\
  !*** ./glTF/glTFFileLoader.ts ***!
  \********************************/
/*! exports provided: GLTFLoaderCoordinateSystemMode, GLTFLoaderAnimationStartMode, GLTFLoaderState, GLTFFileLoader */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderCoordinateSystemMode", function() { return GLTFLoaderCoordinateSystemMode; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderAnimationStartMode", function() { return GLTFLoaderAnimationStartMode; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderState", function() { return GLTFLoaderState; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFFileLoader", function() { return GLTFFileLoader; });
/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _glTFValidation__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./glTFValidation */ "./glTF/glTFValidation.ts");








/**
 * Mode that determines the coordinate system to use.
 */
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 || (GLTFLoaderCoordinateSystemMode = {}));
/**
 * Mode that determines what animations will start.
 */
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 || (GLTFLoaderAnimationStartMode = {}));
/**
 * Loader state.
 */
var GLTFLoaderState;
(function (GLTFLoaderState) {
    /**
     * The asset is loading.
     */
    GLTFLoaderState[GLTFLoaderState["LOADING"] = 0] = "LOADING";
    /**
     * The asset is ready for rendering.
     */
    GLTFLoaderState[GLTFLoaderState["READY"] = 1] = "READY";
    /**
     * The asset is completely loaded.
     */
    GLTFLoaderState[GLTFLoaderState["COMPLETE"] = 2] = "COMPLETE";
})(GLTFLoaderState || (GLTFLoaderState = {}));
/**
 * File loader for loading glTF files into a scene.
 */
var GLTFFileLoader = /** @class */ (function () {
    function GLTFFileLoader() {
        // --------------
        // Common options
        // --------------
        /**
         * Raised when the asset has been parsed
         */
        this.onParsedObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        // ----------
        // V2 options
        // ----------
        /**
         * The coordinate system mode. Defaults to AUTO.
         */
        this.coordinateSystemMode = GLTFLoaderCoordinateSystemMode.AUTO;
        /**
        * The animation start mode. Defaults to FIRST.
        */
        this.animationStartMode = GLTFLoaderAnimationStartMode.FIRST;
        /**
         * Defines if the loader should compile materials before raising the success callback. Defaults to false.
         */
        this.compileMaterials = false;
        /**
         * Defines if the loader should also compile materials with clip planes. Defaults to false.
         */
        this.useClipPlane = false;
        /**
         * Defines if the loader should compile shadow generators before raising the success callback. Defaults to false.
         */
        this.compileShadowGenerators = false;
        /**
         * Defines if the Alpha blended materials are only applied as coverage.
         * If false, (default) The luminance of each pixel will reduce its opacity to simulate the behaviour of most physical materials.
         * If true, no extra effects are applied to transparent pixels.
         */
        this.transparencyAsCoverage = false;
        /**
         * Defines if the loader should use range requests when load binary glTF files from HTTP.
         * Enabling will disable offline support and glTF validator.
         * Defaults to false.
         */
        this.useRangeRequests = false;
        /**
         * Defines if the loader should create instances when multiple glTF nodes point to the same glTF mesh. Defaults to true.
         */
        this.createInstances = true;
        /**
         * Defines if the loader should always compute the bounding boxes of meshes and not use the min/max values from the position accessor. Defaults to false.
         */
        this.alwaysComputeBoundingBox = false;
        /**
         * If true, load all materials defined in the file, even if not used by any mesh. Defaults to false.
         */
        this.loadAllMaterials = false;
        /**
         * Function called before loading a url referenced by the asset.
         */
        this.preprocessUrlAsync = function (url) { return Promise.resolve(url); };
        /**
         * Observable raised when the loader creates a mesh after parsing the glTF properties of the mesh.
         * Note that the observable is raised as soon as the mesh object is created, meaning some data may not have been setup yet for this mesh (vertex data, morph targets, material, ...)
         */
        this.onMeshLoadedObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        /**
         * Observable raised when the loader creates a texture after parsing the glTF properties of the texture.
         */
        this.onTextureLoadedObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        /**
         * Observable raised when the loader creates a material after parsing the glTF properties of the material.
         */
        this.onMaterialLoadedObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        /**
         * Observable raised when the loader creates a camera after parsing the glTF properties of the camera.
         */
        this.onCameraLoadedObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        /**
         * 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 the loader resolves the returned promise.
         */
        this.onCompleteObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        /**
         * Observable raised when an error occurs.
         */
        this.onErrorObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        /**
         * Observable raised after the loader is disposed.
         */
        this.onDisposeObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        /**
         * Observable raised after a loader extension is created.
         * Set additional options for a loader extension in this event.
         */
        this.onExtensionLoadedObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        /**
         * Defines if the loader should validate the asset.
         */
        this.validate = false;
        /**
         * Observable raised after validation when validate is set to true. The event data is the result of the validation.
         */
        this.onValidatedObservable = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]();
        this._loader = null;
        this._requests = new Array();
        /**
         * Name of the loader ("gltf")
         */
        this.name = "gltf";
        /** @hidden */
        this.extensions = {
            ".gltf": { isBinary: false },
            ".glb": { isBinary: true }
        };
        this._logIndentLevel = 0;
        this._loggingEnabled = false;
        /** @hidden */
        this._log = this._logDisabled;
        this._capturePerformanceCounters = false;
        /** @hidden */
        this._startPerformanceCounter = this._startPerformanceCounterDisabled;
        /** @hidden */
        this._endPerformanceCounter = this._endPerformanceCounterDisabled;
    }
    Object.defineProperty(GLTFFileLoader.prototype, "onParsed", {
        /**
         * Raised when the asset has been parsed
         */
        set: function (callback) {
            if (this._onParsedObserver) {
                this.onParsedObservable.remove(this._onParsedObserver);
            }
            this._onParsedObserver = this.onParsedObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onMeshLoaded", {
        /**
         * Callback raised when the loader creates a mesh after parsing the glTF properties of the mesh.
         * Note that the callback is called as soon as the mesh object is created, meaning some data may not have been setup yet for this mesh (vertex data, morph targets, material, ...)
         */
        set: function (callback) {
            if (this._onMeshLoadedObserver) {
                this.onMeshLoadedObservable.remove(this._onMeshLoadedObserver);
            }
            this._onMeshLoadedObserver = this.onMeshLoadedObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onTextureLoaded", {
        /**
         * Callback raised when the loader creates a texture after parsing the glTF properties of the texture.
         */
        set: function (callback) {
            if (this._onTextureLoadedObserver) {
                this.onTextureLoadedObservable.remove(this._onTextureLoadedObserver);
            }
            this._onTextureLoadedObserver = this.onTextureLoadedObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onMaterialLoaded", {
        /**
         * Callback raised when the loader creates a material after parsing the glTF properties of the material.
         */
        set: function (callback) {
            if (this._onMaterialLoadedObserver) {
                this.onMaterialLoadedObservable.remove(this._onMaterialLoadedObserver);
            }
            this._onMaterialLoadedObserver = this.onMaterialLoadedObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onCameraLoaded", {
        /**
         * Callback raised when the loader creates a camera after parsing the glTF properties of the camera.
         */
        set: function (callback) {
            if (this._onCameraLoadedObserver) {
                this.onCameraLoadedObservable.remove(this._onCameraLoadedObserver);
            }
            this._onCameraLoadedObserver = this.onCameraLoadedObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onComplete", {
        /**
         * Callback 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 the loader resolves the returned promise.
         */
        set: function (callback) {
            if (this._onCompleteObserver) {
                this.onCompleteObservable.remove(this._onCompleteObserver);
            }
            this._onCompleteObserver = this.onCompleteObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onError", {
        /**
         * Callback raised when an error occurs.
         */
        set: function (callback) {
            if (this._onErrorObserver) {
                this.onErrorObservable.remove(this._onErrorObserver);
            }
            this._onErrorObserver = this.onErrorObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onDispose", {
        /**
         * Callback raised after the loader is disposed.
         */
        set: function (callback) {
            if (this._onDisposeObserver) {
                this.onDisposeObservable.remove(this._onDisposeObserver);
            }
            this._onDisposeObserver = this.onDisposeObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onExtensionLoaded", {
        /**
         * Callback raised after a loader extension is created.
         */
        set: function (callback) {
            if (this._onExtensionLoadedObserver) {
                this.onExtensionLoadedObservable.remove(this._onExtensionLoadedObserver);
            }
            this._onExtensionLoadedObserver = this.onExtensionLoadedObservable.add(callback);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "loggingEnabled", {
        /**
         * Defines if the loader logging is enabled.
         */
        get: function () {
            return this._loggingEnabled;
        },
        set: function (value) {
            if (this._loggingEnabled === value) {
                return;
            }
            this._loggingEnabled = value;
            if (this._loggingEnabled) {
                this._log = this._logEnabled;
            }
            else {
                this._log = this._logDisabled;
            }
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "capturePerformanceCounters", {
        /**
         * Defines if the loader should capture performance counters.
         */
        get: function () {
            return this._capturePerformanceCounters;
        },
        set: function (value) {
            if (this._capturePerformanceCounters === value) {
                return;
            }
            this._capturePerformanceCounters = value;
            if (this._capturePerformanceCounters) {
                this._startPerformanceCounter = this._startPerformanceCounterEnabled;
                this._endPerformanceCounter = this._endPerformanceCounterEnabled;
            }
            else {
                this._startPerformanceCounter = this._startPerformanceCounterDisabled;
                this._endPerformanceCounter = this._endPerformanceCounterDisabled;
            }
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onValidated", {
        /**
         * Callback raised after a loader extension is created.
         */
        set: function (callback) {
            if (this._onValidatedObserver) {
                this.onValidatedObservable.remove(this._onValidatedObserver);
            }
            this._onValidatedObserver = this.onValidatedObservable.add(callback);
        },
        enumerable: false,
        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;
        }
        for (var _i = 0, _a = this._requests; _i < _a.length; _i++) {
            var request = _a[_i];
            request.abort();
        }
        this._requests.length = 0;
        delete this._progressCallback;
        this.preprocessUrlAsync = function (url) { return Promise.resolve(url); };
        this.onMeshLoadedObservable.clear();
        this.onTextureLoadedObservable.clear();
        this.onMaterialLoadedObservable.clear();
        this.onCameraLoadedObservable.clear();
        this.onCompleteObservable.clear();
        this.onExtensionLoadedObservable.clear();
        this.onDisposeObservable.notifyObservers(undefined);
        this.onDisposeObservable.clear();
    };
    /** @hidden */
    GLTFFileLoader.prototype.requestFile = function (scene, url, onSuccess, onProgress, useArrayBuffer, onError) {
        var _this = this;
        this._progressCallback = onProgress;
        if (useArrayBuffer) {
            if (this.useRangeRequests) {
                if (this.validate) {
                    babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Logger"].Warn("glTF validation is not supported when range requests are enabled");
                }
                var fileRequest_1 = {
                    abort: function () { },
                    onCompleteObservable: new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]()
                };
                var dataBuffer = {
                    readAsync: function (byteOffset, byteLength) {
                        return new Promise(function (resolve, reject) {
                            _this._requestFile(url, scene, function (data) {
                                resolve(new Uint8Array(data));
                            }, true, function (error) {
                                reject(error);
                            }, function (webRequest) {
                                webRequest.setRequestHeader("Range", "bytes=" + byteOffset + "-" + (byteOffset + byteLength - 1));
                            });
                        });
                    },
                    byteLength: 0
                };
                this._unpackBinaryAsync(new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["DataReader"](dataBuffer)).then(function (loaderData) {
                    fileRequest_1.onCompleteObservable.notifyObservers(fileRequest_1);
                    onSuccess(loaderData);
                }, onError);
                return fileRequest_1;
            }
            return this._requestFile(url, scene, function (data, request) {
                var arrayBuffer = data;
                _this._unpackBinaryAsync(new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["DataReader"]({
                    readAsync: function (byteOffset, byteLength) { return Promise.resolve(new Uint8Array(arrayBuffer, byteOffset, byteLength)); },
                    byteLength: arrayBuffer.byteLength
                })).then(function (loaderData) {
                    onSuccess(loaderData, request);
                }, onError);
            }, true, onError);
        }
        return this._requestFile(url, scene, function (data, request) {
            _this._validate(scene, data, babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Tools"].GetFolderPath(url), babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Tools"].GetFilename(url));
            onSuccess({ json: _this._parseJson(data) }, request);
        }, useArrayBuffer, onError);
    };
    /** @hidden */
    GLTFFileLoader.prototype.readFile = function (scene, file, onSuccess, onProgress, useArrayBuffer, onError) {
        var _this = this;
        return scene._readFile(file, function (data) {
            _this._validate(scene, data, "file:", file.name);
            if (useArrayBuffer) {
                var arrayBuffer_1 = data;
                _this._unpackBinaryAsync(new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["DataReader"]({
                    readAsync: function (byteOffset, byteLength) { return Promise.resolve(new Uint8Array(arrayBuffer_1, byteOffset, byteLength)); },
                    byteLength: arrayBuffer_1.byteLength
                })).then(onSuccess, onError);
            }
            else {
                onSuccess({ json: _this._parseJson(data) });
            }
        }, onProgress, useArrayBuffer, onError);
    };
    /** @hidden */
    GLTFFileLoader.prototype.importMeshAsync = function (meshesNames, scene, data, rootUrl, onProgress, fileName) {
        var _this = this;
        return Promise.resolve().then(function () {
            _this.onParsedObservable.notifyObservers(data);
            _this.onParsedObservable.clear();
            _this._log("Loading " + (fileName || ""));
            _this._loader = _this._getLoader(data);
            return _this._loader.importMeshAsync(meshesNames, scene, false, data, rootUrl, onProgress, fileName);
        });
    };
    /** @hidden */
    GLTFFileLoader.prototype.loadAsync = function (scene, data, rootUrl, onProgress, fileName) {
        var _this = this;
        return Promise.resolve().then(function () {
            _this.onParsedObservable.notifyObservers(data);
            _this.onParsedObservable.clear();
            _this._log("Loading " + (fileName || ""));
            _this._loader = _this._getLoader(data);
            return _this._loader.loadAsync(scene, data, rootUrl, onProgress, fileName);
        });
    };
    /** @hidden */
    GLTFFileLoader.prototype.loadAssetContainerAsync = function (scene, data, rootUrl, onProgress, fileName) {
        var _this = this;
        return Promise.resolve().then(function () {
            _this.onParsedObservable.notifyObservers(data);
            _this.onParsedObservable.clear();
            _this._log("Loading " + (fileName || ""));
            _this._loader = _this._getLoader(data);
            // Prepare the asset container.
            var container = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["AssetContainer"](scene);
            // Get materials/textures when loading to add to container
            var materials = [];
            _this.onMaterialLoadedObservable.add(function (material) {
                materials.push(material);
                material.onDisposeObservable.addOnce(function () {
                    var index = container.materials.indexOf(material);
                    if (index > -1) {
                        container.materials.splice(index, 1);
                    }
                    index = materials.indexOf(material);
                    if (index > -1) {
                        materials.splice(index, 1);
                    }
                });
            });
            var textures = [];
            _this.onTextureLoadedObservable.add(function (texture) {
                textures.push(texture);
                texture.onDisposeObservable.addOnce(function () {
                    var index = container.textures.indexOf(texture);
                    if (index > -1) {
                        container.textures.splice(index, 1);
                    }
                    index = textures.indexOf(texture);
                    if (index > -1) {
                        textures.splice(index, 1);
                    }
                });
            });
            var cameras = [];
            _this.onCameraLoadedObservable.add(function (camera) {
                cameras.push(camera);
            });
            return _this._loader.importMeshAsync(null, scene, true, data, rootUrl, onProgress, fileName).then(function (result) {
                Array.prototype.push.apply(container.meshes, result.meshes);
                Array.prototype.push.apply(container.particleSystems, result.particleSystems);
                Array.prototype.push.apply(container.skeletons, result.skeletons);
                Array.prototype.push.apply(container.animationGroups, result.animationGroups);
                Array.prototype.push.apply(container.materials, materials);
                Array.prototype.push.apply(container.textures, textures);
                Array.prototype.push.apply(container.lights, result.lights);
                Array.prototype.push.apply(container.transformNodes, result.transformNodes);
                Array.prototype.push.apply(container.cameras, cameras);
                return container;
            });
        });
    };
    /** @hidden */
    GLTFFileLoader.prototype.canDirectLoad = function (data) {
        return (data.indexOf("asset") !== -1 && data.indexOf("version") !== -1)
            || babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["StringTools"].StartsWith(data, "data:base64," + GLTFFileLoader.magicBase64Encoded)
            || babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["StringTools"].StartsWith(data, "data:application/octet-stream;base64," + GLTFFileLoader.magicBase64Encoded)
            || babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["StringTools"].StartsWith(data, "data:model/gltf-binary;base64," + GLTFFileLoader.magicBase64Encoded);
    };
    /** @hidden */
    GLTFFileLoader.prototype.directLoad = function (scene, data) {
        if (babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["StringTools"].StartsWith(data, "base64," + GLTFFileLoader.magicBase64Encoded) ||
            babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["StringTools"].StartsWith(data, "application/octet-stream;base64," + GLTFFileLoader.magicBase64Encoded) ||
            babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["StringTools"].StartsWith(data, "model/gltf-binary;base64," + GLTFFileLoader.magicBase64Encoded)) {
            var arrayBuffer_2 = babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Tools"].DecodeBase64(data);
            this._validate(scene, arrayBuffer_2);
            return this._unpackBinaryAsync(new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["DataReader"]({
                readAsync: function (byteOffset, byteLength) { return Promise.resolve(new Uint8Array(arrayBuffer_2, byteOffset, byteLength)); },
                byteLength: arrayBuffer_2.byteLength
            }));
        }
        this._validate(scene, data);
        return Promise.resolve({ json: this._parseJson(data) });
    };
    /** @hidden */
    GLTFFileLoader.prototype.createPlugin = function () {
        return new GLTFFileLoader();
    };
    Object.defineProperty(GLTFFileLoader.prototype, "loaderState", {
        /**
         * The loader state or null if the loader is not active.
         */
        get: function () {
            return this._loader ? this._loader.state : null;
        },
        enumerable: false,
        configurable: true
    });
    /**
     * Returns a promise that resolves when the asset is completely loaded.
     * @returns a promise that resolves when the asset is completely loaded.
     */
    GLTFFileLoader.prototype.whenCompleteAsync = function () {
        var _this = this;
        return new Promise(function (resolve, reject) {
            _this.onCompleteObservable.addOnce(function () {
                resolve();
            });
            _this.onErrorObservable.addOnce(function (reason) {
                reject(reason);
            });
        });
    };
    /** @hidden */
    GLTFFileLoader.prototype._loadFile = function (url, scene, onSuccess, useArrayBuffer, onError) {
        var _this = this;
        var request = scene._loadFile(url, onSuccess, function (event) {
            _this._onProgress(event, request);
        }, undefined, useArrayBuffer, onError);
        request.onCompleteObservable.add(function (request) {
            _this._requests.splice(_this._requests.indexOf(request), 1);
        });
        this._requests.push(request);
        return request;
    };
    /** @hidden */
    GLTFFileLoader.prototype._requestFile = function (url, scene, onSuccess, useArrayBuffer, onError, onOpened) {
        var _this = this;
        var request = scene._requestFile(url, onSuccess, function (event) {
            _this._onProgress(event, request);
        }, undefined, useArrayBuffer, onError, onOpened);
        request.onCompleteObservable.add(function (request) {
            _this._requests.splice(_this._requests.indexOf(request), 1);
        });
        this._requests.push(request);
        return request;
    };
    GLTFFileLoader.prototype._onProgress = function (event, request) {
        if (!this._progressCallback) {
            return;
        }
        request._lengthComputable = event.lengthComputable;
        request._loaded = event.loaded;
        request._total = event.total;
        var lengthComputable = true;
        var loaded = 0;
        var total = 0;
        for (var _i = 0, _a = this._requests; _i < _a.length; _i++) {
            var request_1 = _a[_i];
            if (request_1._lengthComputable === undefined || request_1._loaded === undefined || request_1._total === undefined) {
                return;
            }
            lengthComputable = lengthComputable && request_1._lengthComputable;
            loaded += request_1._loaded;
            total += request_1._total;
        }
        this._progressCallback({
            lengthComputable: lengthComputable,
            loaded: loaded,
            total: lengthComputable ? total : 0
        });
    };
    GLTFFileLoader.prototype._validate = function (scene, data, rootUrl, fileName) {
        var _this = this;
        if (rootUrl === void 0) { rootUrl = ""; }
        if (fileName === void 0) { fileName = ""; }
        if (!this.validate) {
            return;
        }
        this._startPerformanceCounter("Validate JSON");
        _glTFValidation__WEBPACK_IMPORTED_MODULE_1__["GLTFValidation"].ValidateAsync(data, rootUrl, fileName, function (uri) {
            return _this.preprocessUrlAsync(rootUrl + uri).then(function (url) { return scene._loadFileAsync(url, undefined, true, true); });
        }).then(function (result) {
            _this._endPerformanceCounter("Validate JSON");
            _this.onValidatedObservable.notifyObservers(result);
            _this.onValidatedObservable.clear();
        }, function (reason) {
            _this._endPerformanceCounter("Validate JSON");
            babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Tools"].Warn("Failed to validate: " + reason.message);
            _this.onValidatedObservable.clear();
        });
    };
    GLTFFileLoader.prototype._getLoader = function (loaderData) {
        var asset = loaderData.json.asset || {};
        this._log("Asset version: " + asset.version);
        asset.minVersion && this._log("Asset minimum version: " + asset.minVersion);
        asset.generator && this._log("Asset generator: " + asset.generator);
        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, { major: 2, minor: 0 }) > 0) {
                throw new Error("Incompatible minimum version: " + asset.minVersion);
            }
        }
        var createLoaders = {
            1: GLTFFileLoader._CreateGLTF1Loader,
            2: GLTFFileLoader._CreateGLTF2Loader
        };
        var createLoader = createLoaders[version.major];
        if (!createLoader) {
            throw new Error("Unsupported version: " + asset.version);
        }
        return createLoader(this);
    };
    GLTFFileLoader.prototype._parseJson = function (json) {
        this._startPerformanceCounter("Parse JSON");
        this._log("JSON length: " + json.length);
        var parsed = JSON.parse(json);
        this._endPerformanceCounter("Parse JSON");
        return parsed;
    };
    GLTFFileLoader.prototype._unpackBinaryAsync = function (dataReader) {
        var _this = this;
        this._startPerformanceCounter("Unpack Binary");
        // Read magic + version + length + json length + json format
        return dataReader.loadAsync(20).then(function () {
            var Binary = {
                Magic: 0x46546C67
            };
            var magic = dataReader.readUint32();
            if (magic !== Binary.Magic) {
                throw new Error("Unexpected magic: " + magic);
            }
            var version = dataReader.readUint32();
            if (_this.loggingEnabled) {
                _this._log("Binary version: " + version);
            }
            var length = dataReader.readUint32();
            if (dataReader.buffer.byteLength !== 0 && length !== dataReader.buffer.byteLength) {
                throw new Error("Length in header does not match actual data length: " + length + " != " + dataReader.buffer.byteLength);
            }
            var unpacked;
            switch (version) {
                case 1: {
                    unpacked = _this._unpackBinaryV1Async(dataReader, length);
                    break;
                }
                case 2: {
                    unpacked = _this._unpackBinaryV2Async(dataReader, length);
                    break;
                }
                default: {
                    throw new Error("Unsupported version: " + version);
                }
            }
            _this._endPerformanceCounter("Unpack Binary");
            return unpacked;
        });
    };
    GLTFFileLoader.prototype._unpackBinaryV1Async = function (dataReader, length) {
        var ContentFormat = {
            JSON: 0
        };
        var contentLength = dataReader.readUint32();
        var contentFormat = dataReader.readUint32();
        if (contentFormat !== ContentFormat.JSON) {
            throw new Error("Unexpected content format: " + contentFormat);
        }
        var bodyLength = length - dataReader.byteOffset;
        var data = { json: this._parseJson(dataReader.readString(contentLength)), bin: null };
        if (bodyLength !== 0) {
            var startByteOffset_1 = dataReader.byteOffset;
            data.bin = {
                readAsync: function (byteOffset, byteLength) { return dataReader.buffer.readAsync(startByteOffset_1 + byteOffset, byteLength); },
                byteLength: bodyLength
            };
        }
        return Promise.resolve(data);
    };
    GLTFFileLoader.prototype._unpackBinaryV2Async = function (dataReader, length) {
        var _this = this;
        var ChunkFormat = {
            JSON: 0x4E4F534A,
            BIN: 0x004E4942
        };
        // Read the JSON chunk header.
        var chunkLength = dataReader.readUint32();
        var chunkFormat = dataReader.readUint32();
        if (chunkFormat !== ChunkFormat.JSON) {
            throw new Error("First chunk format is not JSON");
        }
        // Bail if there are no other chunks.
        if (dataReader.byteOffset + chunkLength === length) {
            return dataReader.loadAsync(chunkLength).then(function () {
                return { json: _this._parseJson(dataReader.readString(chunkLength)), bin: null };
            });
        }
        // Read the JSON chunk and the length and type of the next chunk.
        return dataReader.loadAsync(chunkLength + 8).then(function () {
            var data = { json: _this._parseJson(dataReader.readString(chunkLength)), bin: null };
            var readAsync = function () {
                var chunkLength = dataReader.readUint32();
                var chunkFormat = dataReader.readUint32();
                switch (chunkFormat) {
                    case ChunkFormat.JSON: {
                        throw new Error("Unexpected JSON chunk");
                    }
                    case ChunkFormat.BIN: {
                        var startByteOffset_2 = dataReader.byteOffset;
                        data.bin = {
                            readAsync: function (byteOffset, byteLength) { return dataReader.buffer.readAsync(startByteOffset_2 + byteOffset, byteLength); },
                            byteLength: chunkLength
                        };
                        dataReader.skipBytes(chunkLength);
                        break;
                    }
                    default: {
                        // ignore unrecognized chunkFormat
                        dataReader.skipBytes(chunkLength);
                        break;
                    }
                }
                if (dataReader.byteOffset !== length) {
                    return dataReader.loadAsync(8).then(readAsync);
                }
                return Promise.resolve(data);
            };
            return readAsync();
        });
    };
    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;
    };
    /** @hidden */
    GLTFFileLoader.prototype._logOpen = function (message) {
        this._log(message);
        this._logIndentLevel++;
    };
    /** @hidden */
    GLTFFileLoader.prototype._logClose = function () {
        --this._logIndentLevel;
    };
    GLTFFileLoader.prototype._logEnabled = function (message) {
        var spaces = GLTFFileLoader._logSpaces.substr(0, this._logIndentLevel * 2);
        babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Logger"].Log("" + spaces + message);
    };
    GLTFFileLoader.prototype._logDisabled = function (message) {
    };
    GLTFFileLoader.prototype._startPerformanceCounterEnabled = function (counterName) {
        babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Tools"].StartPerformanceCounter(counterName);
    };
    GLTFFileLoader.prototype._startPerformanceCounterDisabled = function (counterName) {
    };
    GLTFFileLoader.prototype._endPerformanceCounterEnabled = function (counterName) {
        babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Tools"].EndPerformanceCounter(counterName);
    };
    GLTFFileLoader.prototype._endPerformanceCounterDisabled = function (counterName) {
    };
    // ----------
    // V1 options
    // ----------
    /**
     * Set this property to false to disable incremental loading which delays the loader from calling the success callback until after loading the meshes and shaders.
     * Textures always loads asynchronously. For example, the success callback can compute the bounding information of the loaded meshes when incremental loading is disabled.
     * Defaults to true.
     * @hidden
     */
    GLTFFileLoader.IncrementalLoading = true;
    /**
     * Set this property to true in order to work with homogeneous coordinates, available with some converters and exporters.
     * Defaults to false. See https://en.wikipedia.org/wiki/Homogeneous_coordinates.
     * @hidden
     */
    GLTFFileLoader.HomogeneousCoordinates = false;
    GLTFFileLoader.magicBase64Encoded = "Z2xURg"; // "glTF" base64 encoded (without the quotes!)
    GLTFFileLoader._logSpaces = "                                ";
    return GLTFFileLoader;
}());

if (babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["SceneLoader"]) {
    babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["SceneLoader"].RegisterPlugin(new GLTFFileLoader());
}


/***/ }),

/***/ "./glTF/glTFValidation.ts":
/*!********************************!*\
  !*** ./glTF/glTFValidation.ts ***!
  \********************************/
/*! exports provided: GLTFValidation */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GLTFValidation", function() { return GLTFValidation; });
/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/observable");
/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__);

function validateAsync(data, rootUrl, fileName, getExternalResource) {
    var options = {
        externalResourceFunction: function (uri) { return getExternalResource(uri).then(function (value) { return new Uint8Array(value); }); }
    };
    if (fileName) {
        options.uri = (rootUrl === "file:" ? fileName : rootUrl + fileName);
    }
    return (data instanceof ArrayBuffer)
        ? GLTFValidator.validateBytes(new Uint8Array(data), options)
        : GLTFValidator.validateString(data, options);
}
/**
 * The worker function that gets converted to a blob url to pass into a worker.
 */
function workerFunc() {
    var pendingExternalResources = [];
    onmessage = function (message) {
        var data = message.data;
        switch (data.id) {
            case "init": {
                importScripts(data.url);
                break;
            }
            case "validate": {
                validateAsync(data.data, data.rootUrl, data.fileName, function (uri) { return new Promise(function (resolve, reject) {
                    var index = pendingExternalResources.length;
                    pendingExternalResources.push({ resolve: resolve, reject: reject });
                    postMessage({ id: "getExternalResource", index: index, uri: uri });
                }); }).then(function (value) {
                    postMessage({ id: "validate.resolve", value: value });
                }, function (reason) {
                    postMessage({ id: "validate.reject", reason: reason });
                });
                break;
            }
            case "getExternalResource.resolve": {
                pendingExternalResources[data.index].resolve(data.value);
                break;
            }
            case "getExternalResource.reject": {
                pendingExternalResources[data.index].reject(data.reason);
                break;
            }
        }
    };
}
/**
 * glTF validation
 */
var GLTFValidation = /** @class */ (function () {
    function GLTFValidation() {
    }
    /**
     * Validate a glTF asset using the glTF-Validator.
     * @param data The JSON of a glTF or the array buffer of a binary glTF
     * @param rootUrl The root url for the glTF
     * @param fileName The file name for the glTF
     * @param getExternalResource The callback to get external resources for the glTF validator
     * @returns A promise that resolves with the glTF validation results once complete
     */
    GLTFValidation.ValidateAsync = function (data, rootUrl, fileName, getExternalResource) {
        var _this = this;
        if (typeof Worker === "function") {
            return new Promise(function (resolve, reject) {
                var workerContent = validateAsync + "(" + workerFunc + ")()";
                var workerBlobUrl = URL.createObjectURL(new Blob([workerContent], { type: "application/javascript" }));
                var worker = new Worker(workerBlobUrl);
                var onError = function (error) {
                    worker.removeEventListener("error", onError);
                    worker.removeEventListener("message", onMessage);
                    reject(error);
                };
                var onMessage = function (message) {
                    var data = message.data;
                    switch (data.id) {
                        case "getExternalResource": {
                            getExternalResource(data.uri).then(function (value) {
                                worker.postMessage({ id: "getExternalResource.resolve", index: data.index, value: value }, [value]);
                            }, function (reason) {
                                worker.postMessage({ id: "getExternalResource.reject", index: data.index, reason: reason });
                            });
                            break;
                        }
                        case "validate.resolve": {
                            worker.removeEventListener("error", onError);
                            worker.removeEventListener("message", onMessage);
                            resolve(data.value);
                            break;
                        }
                        case "validate.reject": {
                            worker.removeEventListener("error", onError);
                            worker.removeEventListener("message", onMessage);
                            reject(data.reason);
                        }
                    }
                };
                worker.addEventListener("error", onError);
                worker.addEventListener("message", onMessage);
                worker.postMessage({ id: "init", url: babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__["Tools"].GetAbsoluteUrl(_this.Configuration.url) });
                worker.postMessage({ id: "validate", data: data, rootUrl: rootUrl, fileName: fileName });
            });
        }
        else {
            if (!this._LoadScriptPromise) {
                this._LoadScriptPromise = babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__["Tools"].LoadScriptAsync(this.Configuration.url);
            }
            return this._LoadScriptPromise.then(function () {
                return validateAsync(data, rootUrl, fileName, getExternalResource);
            });
        }
    };
    /**
     * The configuration. Defaults to `{ url: "https://preview.babylonjs.com/gltf_validator.js" }`.
     */
    GLTFValidation.Configuration = {
        url: "https://preview.babylonjs.com/gltf_validator.js"
    };
    return GLTFValidation;
}());



/***/ }),

/***/ "./legacy/legacy-glTF.ts":
/*!*******************************!*\
  !*** ./legacy/legacy-glTF.ts ***!
  \*******************************/
/*! exports provided: GLTFLoaderCoordinateSystemMode, GLTFLoaderAnimationStartMode, GLTFLoaderState, GLTFFileLoader, GLTFValidation */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* WEBPACK VAR INJECTION */(function(global) {/* harmony import */ var _glTF_glTFFileLoader__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../glTF/glTFFileLoader */ "./glTF/glTFFileLoader.ts");
/* harmony import */ var _glTF_glTFValidation__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../glTF/glTFValidation */ "./glTF/glTFValidation.ts");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderCoordinateSystemMode", function() { return _glTF_glTFFileLoader__WEBPACK_IMPORTED_MODULE_0__["GLTFLoaderCoordinateSystemMode"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderAnimationStartMode", function() { return _glTF_glTFFileLoader__WEBPACK_IMPORTED_MODULE_0__["GLTFLoaderAnimationStartMode"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderState", function() { return _glTF_glTFFileLoader__WEBPACK_IMPORTED_MODULE_0__["GLTFLoaderState"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFFileLoader", function() { return _glTF_glTFFileLoader__WEBPACK_IMPORTED_MODULE_0__["GLTFFileLoader"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFValidation", function() { return _glTF_glTFValidation__WEBPACK_IMPORTED_MODULE_1__["GLTFValidation"]; });



/**
 * This is the entry point for the UMD module.
 * The entry point for a future ESM package should be index.ts
 */
var globalObject = (typeof global !== 'undefined') ? global : ((typeof window !== 'undefined') ? window : undefined);
if (typeof globalObject !== "undefined") {
    globalObject.BABYLON = globalObject.BABYLON || {};
    for (var key in _glTF_glTFFileLoader__WEBPACK_IMPORTED_MODULE_0__) {
        globalObject.BABYLON[key] = _glTF_glTFFileLoader__WEBPACK_IMPORTED_MODULE_0__[key];
    }
    for (var key in _glTF_glTFValidation__WEBPACK_IMPORTED_MODULE_1__) {
        globalObject.BABYLON[key] = _glTF_glTFValidation__WEBPACK_IMPORTED_MODULE_1__[key];
    }
}



/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../../node_modules/webpack/buildin/global.js */ "../../node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./legacy/legacy-glTF1.ts":
/*!********************************!*\
  !*** ./legacy/legacy-glTF1.ts ***!
  \********************************/
/*! exports provided: GLTF1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* WEBPACK VAR INJECTION */(function(global) {/* harmony import */ var _glTF_1_0__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../glTF/1.0 */ "./glTF/1.0/index.ts");
/* harmony reexport (module object) */ __webpack_require__.d(__webpack_exports__, "GLTF1", function() { return _glTF_1_0__WEBPACK_IMPORTED_MODULE_0__; });

/**
 * This is the entry point for the UMD module.
 * The entry point for a future ESM package should be index.ts
 */
var globalObject = (typeof global !== 'undefined') ? global : ((typeof window !== 'undefined') ? window : undefined);
if (typeof globalObject !== "undefined") {
    globalObject.BABYLON = globalObject.BABYLON || {};
    globalObject.BABYLON.GLTF1 = globalObject.BABYLON.GLTF1 || {};
    for (var key in _glTF_1_0__WEBPACK_IMPORTED_MODULE_0__) {
        globalObject.BABYLON.GLTF1[key] = _glTF_1_0__WEBPACK_IMPORTED_MODULE_0__[key];
    }
}


/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../../node_modules/webpack/buildin/global.js */ "../../node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./legacy/legacy-glTF1FileLoader.ts":
/*!******************************************!*\
  !*** ./legacy/legacy-glTF1FileLoader.ts ***!
  \******************************************/
/*! exports provided: GLTFLoaderCoordinateSystemMode, GLTFLoaderAnimationStartMode, GLTFLoaderState, GLTFFileLoader, GLTFValidation, GLTF1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _legacy_glTF__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./legacy-glTF */ "./legacy/legacy-glTF.ts");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderCoordinateSystemMode", function() { return _legacy_glTF__WEBPACK_IMPORTED_MODULE_0__["GLTFLoaderCoordinateSystemMode"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderAnimationStartMode", function() { return _legacy_glTF__WEBPACK_IMPORTED_MODULE_0__["GLTFLoaderAnimationStartMode"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFLoaderState", function() { return _legacy_glTF__WEBPACK_IMPORTED_MODULE_0__["GLTFLoaderState"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFFileLoader", function() { return _legacy_glTF__WEBPACK_IMPORTED_MODULE_0__["GLTFFileLoader"]; });

/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTFValidation", function() { return _legacy_glTF__WEBPACK_IMPORTED_MODULE_0__["GLTFValidation"]; });

/* harmony import */ var _legacy_glTF1__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./legacy-glTF1 */ "./legacy/legacy-glTF1.ts");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "GLTF1", function() { return _legacy_glTF1__WEBPACK_IMPORTED_MODULE_1__["GLTF1"]; });





/***/ }),

/***/ "babylonjs/Misc/observable":
/*!****************************************************************************************************!*\
  !*** external {"root":"BABYLON","commonjs":"babylonjs","commonjs2":"babylonjs","amd":"babylonjs"} ***!
  \****************************************************************************************************/
/*! no static exports found */
/***/ (function(module, exports) {

module.exports = __WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_observable__;

/***/ })

/******/ });
});
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