diff options
Diffstat (limited to 'src/mesh/assimp-master/code/PostProcessing/DeboneProcess.h')
-rw-r--r-- | src/mesh/assimp-master/code/PostProcessing/DeboneProcess.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/code/PostProcessing/DeboneProcess.h b/src/mesh/assimp-master/code/PostProcessing/DeboneProcess.h new file mode 100644 index 0000000..cb072b7 --- /dev/null +++ b/src/mesh/assimp-master/code/PostProcessing/DeboneProcess.h @@ -0,0 +1,131 @@ +/* +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. + +---------------------------------------------------------------------- +*/ + +/** Defines a post processing step to limit the number of bones affecting a single vertex. */ +#ifndef AI_DEBONEPROCESS_H_INC +#define AI_DEBONEPROCESS_H_INC + +#include "Common/BaseProcess.h" + +#include <assimp/mesh.h> +#include <assimp/scene.h> + +#include <vector> +#include <utility> + +#// Forward declarations +class DeboneTest; + +namespace Assimp { + +#if (!defined AI_DEBONE_THRESHOLD) +# define AI_DEBONE_THRESHOLD 1.0f +#endif // !! AI_DEBONE_THRESHOLD + +// --------------------------------------------------------------------------- +/** This post processing step removes bones nearly losslessly or according to +* a configured threshold. In order to remove the bone, the primitives affected by +* the bone are split from the mesh. The split off (new) mesh is boneless. At any +* point in time, bones without affect upon a given mesh are to be removed. +*/ +class DeboneProcess : public BaseProcess { +public: + DeboneProcess(); + ~DeboneProcess(); + + // ------------------------------------------------------------------- + /** Returns whether the processing step is present in the given flag. + * @param pFlags The processing flags the importer was called with. + * A bitwise combination of #aiPostProcessSteps. + * @return true if the process is present in this flag fields, + * false if not. + */ + bool IsActive( unsigned int pFlags) const; + + // ------------------------------------------------------------------- + /** Called prior to ExecuteOnScene(). + * The function is a request to the process to update its configuration + * basing on the Importer's configuration property list. + */ + void SetupProperties(const Importer* pImp); + +protected: + // ------------------------------------------------------------------- + /** Executes the post processing step on the given imported data. + * At the moment a process is not supposed to fail. + * @param pScene The imported data to work at. + */ + void Execute( aiScene* pScene); + + // ------------------------------------------------------------------- + /** Counts bones total/removable in a given mesh. + * @param pMesh The mesh to process. + */ + bool ConsiderMesh( const aiMesh* pMesh); + + /// Splits the given mesh by bone count. + /// @param pMesh the Mesh to split. Is not changed at all, but might be superfluous in case it was split. + /// @param poNewMeshes Array of submeshes created in the process. Empty if splitting was not necessary. + void SplitMesh(const aiMesh* pMesh, std::vector< std::pair< aiMesh*,const aiBone* > >& poNewMeshes) const; + + /// Recursively updates the node's mesh list to account for the changed mesh list + void UpdateNode(aiNode* pNode) const; + + // ------------------------------------------------------------------- + // Apply transformation to a mesh + void ApplyTransform(aiMesh* mesh, const aiMatrix4x4& mat)const; + +public: + /** Number of bones present in the scene. */ + unsigned int mNumBones; + unsigned int mNumBonesCanDoWithout; + + float mThreshold; + bool mAllOrNone; + + /// Per mesh index: Array of indices of the new submeshes. + std::vector< std::vector< std::pair< unsigned int,aiNode* > > > mSubMeshIndices; +}; + +} // end of namespace Assimp + +#endif // AI_DEBONEPROCESS_H_INC |