diff options
author | sanine <sanine.not@pm.me> | 2022-03-04 10:47:15 -0600 |
---|---|---|
committer | sanine <sanine.not@pm.me> | 2022-03-04 10:47:15 -0600 |
commit | 058f98a63658dc1a2579826ba167fd61bed1e21f (patch) | |
tree | bcba07a1615a14d943f3af3f815a42f3be86b2f3 /src/mesh/assimp-master/code/AssetLib/BVH/BVHLoader.h | |
parent | 2f8028ac9e0812cb6f3cbb08f0f419e4e717bd22 (diff) |
add assimp submodule
Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/BVH/BVHLoader.h')
-rw-r--r-- | src/mesh/assimp-master/code/AssetLib/BVH/BVHLoader.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/BVH/BVHLoader.h b/src/mesh/assimp-master/code/AssetLib/BVH/BVHLoader.h new file mode 100644 index 0000000..56c32bd --- /dev/null +++ b/src/mesh/assimp-master/code/AssetLib/BVH/BVHLoader.h @@ -0,0 +1,170 @@ +/** 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 |