assimp/code/FixNormalsStep.h

/*
Open Asset Import Library (ASSIMP)
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Copyright (c) 2006-2008, ASSIMP Development Team
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  following disclaimer.

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*/


/** @file Defines a post processing step to fix infacing normals */
#ifndef AI_FIXNORMALSPROCESS_H_INC
#define AI_FIXNORMALSPROCESS_H_INC

#include "BaseProcess.h"

struct aiMesh;

namespace Assimp
{

// ---------------------------------------------------------------------------
/** The FixInfacingNormalsProcess tries to deteermine whether the normal
 * vectors of an object are facing inwards. In this case they will be
 * flipped.
 */
	class ASSIMP_API FixInfacingNormalsProcess : public BaseProcess
{
	friend class Importer;

protected:
	/** Constructor to be privately used by Importer */
	FixInfacingNormalsProcess();

	/** Destructor, private as well */
	~FixInfacingNormalsProcess();

public:
	// -------------------------------------------------------------------
	/** 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