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diff --git a/src/mesh/assimp-master/code/AssetLib/BVH/BVHLoader.h b/src/mesh/assimp-master/code/AssetLib/BVH/BVHLoader.h
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-/** Defines the BHV motion capturing loader class */
-
-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2022, assimp team
-
-
-All rights reserved.
-
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the
-following conditions are met:
-
-* Redistributions of source code must retain the above
-copyright notice, this list of conditions and the
-following disclaimer.
-
-* Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the
-following disclaimer in the documentation and/or other
-materials provided with the distribution.
-
-* Neither the name of the assimp team, nor the names of its
-contributors may be used to endorse or promote products
-derived from this software without specific prior
-written permission of the assimp team.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-*/
-
-/** @file BVHLoader.h
- * @brief Biovision BVH import
- */
-
-#ifndef AI_BVHLOADER_H_INC
-#define AI_BVHLOADER_H_INC
-
-#include <assimp/BaseImporter.h>
-
-struct aiNode;
-
-namespace Assimp {
-
-// --------------------------------------------------------------------------------
-/** Loader class to read Motion Capturing data from a .bvh file.
- *
- * This format only contains a hierarchy of joints and a series of keyframes for
- * the hierarchy. It contains no actual mesh data, but we generate a dummy mesh
- * inside the loader just to be able to see something.
-*/
-class BVHLoader : public BaseImporter {
-
- /** Possible animation channels for which the motion data holds the values */
- enum ChannelType {
- Channel_PositionX,
- Channel_PositionY,
- Channel_PositionZ,
- Channel_RotationX,
- Channel_RotationY,
- Channel_RotationZ
- };
-
- /** Collected list of node. Will be bones of the dummy mesh some day, addressed by their array index */
- struct Node {
- const aiNode *mNode;
- std::vector<ChannelType> mChannels;
- std::vector<float> mChannelValues; // motion data values for that node. Of size NumChannels * NumFrames
-
- Node() :
- mNode(nullptr) {}
-
- explicit Node(const aiNode *pNode) :
- mNode(pNode) {}
- };
-
-public:
- BVHLoader();
- ~BVHLoader();
-
-public:
- /** Returns whether the class can handle the format of the given file.
- * See BaseImporter::CanRead() for details. */
- bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool cs) const;
-
- void SetupProperties(const Importer *pImp);
- const aiImporterDesc *GetInfo() const;
-
-protected:
- /** Imports the given file into the given scene structure.
- * See BaseImporter::InternReadFile() for details
- */
- void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler);
-
-protected:
- /** Reads the file */
- void ReadStructure(aiScene *pScene);
-
- /** Reads the hierarchy */
- void ReadHierarchy(aiScene *pScene);
-
- /** Reads a node and recursively its children and returns the created node. */
- aiNode *ReadNode();
-
- /** Reads an end node and returns the created node. */
- aiNode *ReadEndSite(const std::string &pParentName);
-
- /** Reads a node offset for the given node */
- void ReadNodeOffset(aiNode *pNode);
-
- /** Reads the animation channels into the given node */
- void ReadNodeChannels(BVHLoader::Node &pNode);
-
- /** Reads the motion data */
- void ReadMotion(aiScene *pScene);
-
- /** Retrieves the next token */
- std::string GetNextToken();
-
- /** Reads the next token as a float */
- float GetNextTokenAsFloat();
-
- /** Aborts the file reading with an exception */
- template<typename... T>
- AI_WONT_RETURN void ThrowException(T&&... args) AI_WONT_RETURN_SUFFIX;
-
- /** Constructs an animation for the motion data and stores it in the given scene */
- void CreateAnimation(aiScene *pScene);
-
-protected:
- /** Filename, for a verbose error message */
- std::string mFileName;
-
- /** Buffer to hold the loaded file */
- std::vector<char> mBuffer;
-
- /** Next char to read from the buffer */
- std::vector<char>::const_iterator mReader;
-
- /** Current line, for error messages */
- unsigned int mLine;
-
- /** Collected list of nodes. Will be bones of the dummy mesh some day, addressed by their array index.
- * Also contain the motion data for the node's channels
- */
- std::vector<Node> mNodes;
-
- /** basic Animation parameters */
- float mAnimTickDuration;
- unsigned int mAnimNumFrames;
-
- bool noSkeletonMesh;
-};
-
-} // end of namespace Assimp
-
-#endif // AI_BVHLOADER_H_INC