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/*
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 Defines a post processing step to fix infacing normals */
#ifndef AI_FIXNORMALSPROCESS_H_INC
#define AI_FIXNORMALSPROCESS_H_INC
#include "Common/BaseProcess.h"
struct aiMesh;
namespace Assimp
{
// ---------------------------------------------------------------------------
/** The FixInfacingNormalsProcess tries to determine whether the normal
* vectors of an object are facing inwards. In this case they will be
* flipped.
*/
class FixInfacingNormalsProcess : public BaseProcess {
public:
FixInfacingNormalsProcess();
~FixInfacingNormalsProcess();
// -------------------------------------------------------------------
/** Returns whether the processing step is present in the given flag field.
* @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;
// -------------------------------------------------------------------
/** 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);
protected:
// -------------------------------------------------------------------
/** Executes the step on the given mesh
* @param pMesh The mesh to process.
*/
bool ProcessMesh( aiMesh* pMesh, unsigned int index);
};
} // end of namespace Assimp
#endif // AI_FIXNORMALSPROCESS_H_INC
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