112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
/*
|
|
Open Asset Import Library (assimp)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2018, 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 SplitByBoneCountProcess.h
|
|
/// Defines a post processing step to split meshes with many bones into submeshes
|
|
#ifndef AI_SPLITBYBONECOUNTPROCESS_H_INC
|
|
#define AI_SPLITBYBONECOUNTPROCESS_H_INC
|
|
|
|
#include <vector>
|
|
#include "BaseProcess.h"
|
|
|
|
#include <assimp/mesh.h>
|
|
#include <assimp/scene.h>
|
|
|
|
namespace Assimp
|
|
{
|
|
|
|
|
|
/** Postprocessing filter to split meshes with many bones into submeshes
|
|
* so that each submesh has a certain max bone count.
|
|
*
|
|
* Applied BEFORE the JoinVertices-Step occurs.
|
|
* Returns NON-UNIQUE vertices, splits by bone count.
|
|
*/
|
|
class SplitByBoneCountProcess : public BaseProcess
|
|
{
|
|
public:
|
|
|
|
SplitByBoneCountProcess();
|
|
~SplitByBoneCountProcess();
|
|
|
|
public:
|
|
/** 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.
|
|
*/
|
|
virtual 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);
|
|
|
|
/// 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<aiMesh*>& poNewMeshes) const;
|
|
|
|
/// Recursively updates the node's mesh list to account for the changed mesh list
|
|
void UpdateNode( aiNode* pNode) const;
|
|
|
|
public:
|
|
/// Max bone count. Splitting occurs if a mesh has more than that number of bones.
|
|
size_t mMaxBoneCount;
|
|
|
|
/// Per mesh index: Array of indices of the new submeshes.
|
|
std::vector< std::vector<unsigned int> > mSubMeshIndices;
|
|
};
|
|
|
|
} // end of namespace Assimp
|
|
|
|
#endif // !!AI_SPLITBYBONECOUNTPROCESS_H_INC
|