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

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/***/ "../../node_modules/tslib/tslib.es6.js":
/*!***********************************************************!*\
  !*** E:/Repos/Babylon.js/node_modules/tslib/tslib.es6.js ***!
  \***********************************************************/
/*! exports provided: __extends, __assign, __rest, __decorate, __param, __metadata, __awaiter, __generator, __exportStar, __values, __read, __spread, __spreadArrays, __await, __asyncGenerator, __asyncDelegator, __asyncValues, __makeTemplateObject, __importStar, __importDefault */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__rest", function() { return __rest; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__decorate", function() { return __decorate; });
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/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__exportStar", function() { return __exportStar; });
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/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0

THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.

See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
/* global Reflect, Promise */

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    function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
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function __importStar(mod) {
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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__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__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__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__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__WEBPACK_IMPORTED_MODULE_1__["Animation"].ANIMATIONTYPE_MATRIX;
            if (!isBone) {
                if (targetPath === "rotationQuaternion") {
                    animationType = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Animation"].ANIMATIONTYPE_QUATERNION;
                    targetNode.rotationQuaternion = new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Quaternion"]();
                }
                else {
                    animationType = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["Animation"](anim, isBone ? "_matrix" : targetPath, 1, animationType, babylonjs_Maths_math__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__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__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__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero();
                    var rotationQuaternion = new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Quaternion"]();
                    var scaling = babylonjs_Maths_math__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__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__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(node.scale || [1, 1, 1]);
        var rotation = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Quaternion"].FromArray(node.rotation || [0, 0, 0, 1]);
        var position = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(node.translation || [0, 0, 0]);
        mat = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Matrix"].Compose(scale, rotation, position);
    }
    else {
        mat = babylonjs_Maths_math__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__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__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__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__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__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__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__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__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__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__WEBPACK_IMPORTED_MODULE_1__["MultiMaterial"]("multimat" + id, gltfRuntime.scene);
        material.subMaterials = subMaterials;
    }
    else {
        material = new babylonjs_Maths_math__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__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__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__WEBPACK_IMPORTED_MODULE_1__["Vector3"](0, 0, 0);
        var rotation = new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Quaternion"]();
        var scaling = new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"](0, 0, 0);
        var mat = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(node.translation), babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Quaternion"].FromArray(node.rotation), babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["HemisphericLight"](node.light, babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene);
                hemiLight.name = node.name || "";
                if (ambienLight.color) {
                    hemiLight.diffuse = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["DirectionalLight"](node.light, babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene);
                dirLight.name = node.name || "";
                if (directionalLight.color) {
                    dirLight.diffuse = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["PointLight"](node.light, babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene);
                ptLight.name = node.name || "";
                if (pointLight.color) {
                    ptLight.diffuse = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["SpotLight"](node.light, babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), 0, 0, gltfRuntime.scene);
                spLight.name = node.name || "";
                if (spotLight.color) {
                    spLight.diffuse = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["FreeCamera"](node.camera, babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero(), gltfRuntime.scene, false);
                orthoCamera.name = node.name || "";
                orthoCamera.mode = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["FreeCamera"](node.camera, babylonjs_Maths_math__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__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__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__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(translation), babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Quaternion"].FromArray(rotation), babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["Tools"].IsBase64(buffer.uri)) {
            setTimeout(function () { return onSuccess(new Uint8Array(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Tools"].DecodeBase64(buffer.uri))); });
        }
        else {
            babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["Tools"].IsBase64(source.uri)) {
            setTimeout(function () { return onSuccess(new Uint8Array(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Tools"].DecodeBase64(source.uri))); });
        }
        else {
            babylonjs_Maths_math__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__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__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__WEBPACK_IMPORTED_MODULE_1__["Tools"].IsBase64(shader.uri)) {
            var shaderString = atob(shader.uri.split(",")[1]);
            if (onSuccess) {
                onSuccess(shaderString);
            }
        }
        else {
            babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["StandardMaterial"](id, gltfRuntime.scene);
            gltfRuntime.scene._blockEntityCollection = false;
            defaultMaterial.diffuseColor = new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Color3"](0.5, 0.5, 0.5);
            defaultMaterial.sideOrientation = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Material"].CounterClockWiseSideOrientation;
            onSuccess(defaultMaterial);
            return;
        }
        var program = gltfRuntime.programs[technique.program];
        var states = technique.states;
        var vertexShader = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Effect"].ShadersStore[program.vertexShader + "VertexShader"];
        var pixelShader = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["Effect"].ShadersStore[program.vertexShader + id + "VertexShader"] = newVertexShader;
        babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Effect"].ShadersStore[program.fragmentShader + id + "PixelShader"] = newPixelShader;
        var shaderMaterial = new babylonjs_Maths_math__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__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__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__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__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__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__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__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__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__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__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__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__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__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__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__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__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__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: true,
        configurable: true
    });
    /**
    * Defines an override for loading the runtime
    * Return true to stop further extensions from loading the runtime
    */
    GLTFLoaderExtension.prototype.loadRuntimeAsync = function (scene, data, rootUrl, onSuccess, onError) {
        return false;
    };
    /**
     * Defines an onverride for creating gltf runtime
     * Return true to stop further extensions from creating the runtime
     */
    GLTFLoaderExtension.prototype.loadRuntimeExtensionsAsync = function (gltfRuntime, onSuccess, onError) {
        return false;
    };
    /**
    * Defines an override for loading buffers
    * Return true to stop further extensions from loading this buffer
    */
    GLTFLoaderExtension.prototype.loadBufferAsync = function (gltfRuntime, id, onSuccess, onError, onProgress) {
        return false;
    };
    /**
    * Defines an override for loading texture buffers
    * Return true to stop further extensions from loading this texture data
    */
    GLTFLoaderExtension.prototype.loadTextureBufferAsync = function (gltfRuntime, id, onSuccess, onError) {
        return false;
    };
    /**
    * Defines an override for creating textures
    * Return true to stop further extensions from loading this texture
    */
    GLTFLoaderExtension.prototype.createTextureAsync = function (gltfRuntime, id, buffer, onSuccess, onError) {
        return false;
    };
    /**
    * Defines an override for loading shader strings
    * Return true to stop further extensions from loading this shader data
    */
    GLTFLoaderExtension.prototype.loadShaderStringAsync = function (gltfRuntime, id, onSuccess, onError) {
        return false;
    };
    /**
    * Defines an override for loading materials
    * Return true to stop further extensions from loading this material
    */
    GLTFLoaderExtension.prototype.loadMaterialAsync = function (gltfRuntime, id, onSuccess, onError) {
        return false;
    };
    // ---------
    // Utilities
    // ---------
    GLTFLoaderExtension.LoadRuntimeAsync = function (scene, data, rootUrl, onSuccess, onError) {
        GLTFLoaderExtension.ApplyExtensions(function (loaderExtension) {
            return loaderExtension.loadRuntimeAsync(scene, data, rootUrl, onSuccess, onError);
        }, function () {
            setTimeout(function () {
                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__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__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__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__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__WEBPACK_IMPORTED_MODULE_1__["Matrix"].GetAsMatrix2x2(mat));
                    break;
                case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_MAT3:
                    shaderMaterial.setMatrix3x3(uniformName, babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["Vector2"].FromArray(value));
                return true;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_VEC3:
                shaderMaterial.setVector3(uniform, babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Vector3"].FromArray(value));
                return true;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["EParameterType"].FLOAT_VEC4:
                shaderMaterial.setVector4(uniform, babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_1__["Texture"].CLAMP_ADDRESSMODE;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureWrapMode"].MIRRORED_REPEAT: return babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Texture"].MIRROR_ADDRESSMODE;
            case _glTFLoaderInterfaces__WEBPACK_IMPORTED_MODULE_0__["ETextureWrapMode"].REPEAT: return babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__["Texture"].WRAP_ADDRESSMODE;
            default: return babylonjs_Maths_math__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__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__WEBPACK_IMPORTED_MODULE_1__["Texture"].NEAREST_SAMPLINGMODE;
            default: return babylonjs_Maths_math__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__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__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__WEBPACK_IMPORTED_MODULE_1__["ShaderMaterial"]("GLTFDefaultMaterial", scene, shaderPath, options);
            GLTFUtils._DefaultMaterial.setColor4("u_emission", new babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_2__["HemisphericLight"](light.name, new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["Vector3"](0, 1, 0), gltfRuntime.scene);
                        var ambient = light.ambient;
                        if (ambient) {
                            ambientLight.diffuse = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["Color3"].FromArray(ambient.color || [1, 1, 1]);
                        }
                        break;
                    case "point":
                        var pointLight = new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["PointLight"](light.name, new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["Vector3"](10, 10, 10), gltfRuntime.scene);
                        var point = light.point;
                        if (point) {
                            pointLight.diffuse = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["Color3"].FromArray(point.color || [1, 1, 1]);
                        }
                        break;
                    case "directional":
                        var dirLight = new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["DirectionalLight"](light.name, new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["Vector3"](0, -1, 0), gltfRuntime.scene);
                        var directional = light.directional;
                        if (directional) {
                            dirLight.diffuse = babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_2__["SpotLight"](light.name, new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["Vector3"](0, 10, 0), new babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["Vector3"](0, -1, 0), spot.fallOffAngle || Math.PI, spot.fallOffExponent || 0.0, gltfRuntime.scene);
                            spotLight.diffuse = babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__["Color3"].FromArray(spot.color || [1, 1, 1]);
                        }
                        break;
                    default:
                        babylonjs_Maths_math__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__WEBPACK_IMPORTED_MODULE_2__["StandardMaterial"](id, gltfRuntime.scene);
        standardMaterial.sideOrientation = babylonjs_Maths_math__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__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__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__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__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/tools");
/* 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;
        /**
         * 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.
         */
        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;
        /**
         * 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: true,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onMeshLoaded", {
        /**
         * Callback raised when the loader creates a mesh after parsing the glTF properties of the mesh.
         */
        set: function (callback) {
            if (this._onMeshLoadedObserver) {
                this.onMeshLoadedObservable.remove(this._onMeshLoadedObserver);
            }
            this._onMeshLoadedObserver = this.onMeshLoadedObservable.add(callback);
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(GLTFFileLoader.prototype, "onTextureLoaded", {
        /**
         * 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: true,
        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: true,
        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: true,
        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: true,
        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: true,
        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: true,
        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: true,
        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: true,
        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: true,
        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: true,
        configurable: true
    });
    /**
     * Disposes the loader, releases resources during load, and cancels any outstanding requests.
     */
    GLTFFileLoader.prototype.dispose = function () {
        if (this._loader) {
            this._loader.dispose();
            this._loader = null;
        }
        this._clear();
        this.onDisposeObservable.notifyObservers(undefined);
        this.onDisposeObservable.clear();
    };
    /** @hidden */
    GLTFFileLoader.prototype._clear = function () {
        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();
    };
    /** @hidden */
    GLTFFileLoader.prototype.requestFile = function (scene, url, onSuccess, onProgress, useArrayBuffer, onError) {
        var _this = this;
        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 fileRequests_1 = new Array();
                var aggregatedFileRequest_1 = {
                    abort: function () { return fileRequests_1.forEach(function (fileRequest) { return fileRequest.abort(); }); },
                    onCompleteObservable: new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["Observable"]()
                };
                var dataBuffer_1 = {
                    readAsync: function (byteOffset, byteLength) {
                        return new Promise(function (resolve, reject) {
                            fileRequests_1.push(scene._requestFile(url, function (data, webRequest) {
                                var contentRange = webRequest.getResponseHeader("Content-Range");
                                if (contentRange) {
                                    dataBuffer_1.byteLength = Number(contentRange.split("/")[1]);
                                }
                                resolve(new Uint8Array(data));
                            }, onProgress, true, 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_1)).then(function (loaderData) {
                    aggregatedFileRequest_1.onCompleteObservable.notifyObservers(aggregatedFileRequest_1);
                    onSuccess(loaderData);
                }, onError);
                return aggregatedFileRequest_1;
            }
            return scene._requestFile(url, 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);
            }, onProgress, true, true, onError);
        }
        return scene._requestFile(url, function (data, response) {
            _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) }, response);
        }, onProgress, true, false, 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);
            // Get materials/textures when loading to add to container
            var materials = [];
            _this.onMaterialLoadedObservable.add(function (material) {
                materials.push(material);
            });
            var textures = [];
            _this.onTextureLoadedObservable.add(function (texture) {
                textures.push(texture);
            });
            return _this._loader.importMeshAsync(null, scene, true, data, rootUrl, onProgress, fileName).then(function (result) {
                var container = new babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__["AssetContainer"](scene);
                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);
                return container;
            });
        });
    };
    /** @hidden */
    GLTFFileLoader.prototype.canDirectLoad = function (data) {
        return data.indexOf("asset") !== -1 && data.indexOf("version") !== -1;
    };
    /** @hidden */
    GLTFFileLoader.prototype.directLoad = function (scene, data) {
        this._validate(scene, data);
        return { 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: true,
        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);
            });
        });
    };
    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._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/tools");
/* 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: GLTF1, GLTFLoaderCoordinateSystemMode, GLTFLoaderAnimationStartMode, GLTFLoaderState, GLTFFileLoader, GLTFValidation */
/***/ (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/tools":
/*!****************************************************************************************************!*\
  !*** external {"root":"BABYLON","commonjs":"babylonjs","commonjs2":"babylonjs","amd":"babylonjs"} ***!
  \****************************************************************************************************/
/*! no static exports found */
/***/ (function(module, exports) {

module.exports = __WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_tools__;

/***/ })

/******/ });
});
//# sourceMappingURL=babylon.glTF1FileLoader.js.map