/*
Open Asset Import Library (ASSIMP)
----------------------------------------------------------------------

Copyright (c) 2006-2010, ASSIMP Development 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 Development 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 search an importer's output
    for data that is obviously invalid  */
#ifndef AI_FINDINVALIDDATA_H_INC
#define AI_FINDINVALIDDATA_H_INC

#include "BaseProcess.h"
#include "../include/aiTypes.h"

struct aiMesh;
class FindInvalidDataProcessTest;
namespace Assimp	{

// ---------------------------------------------------------------------------
/** The FindInvalidData postprocessing step. It searches the mesh data
 *  for parts that are obviously invalid and removes them.
 *
 *  Originally this was a workaround for some models written by Blender
 *  which have zero normal vectors. */
class ASSIMP_API FindInvalidDataProcess 
	: public BaseProcess
{
	friend class Importer;
	friend class ::FindInvalidDataProcessTest;

protected:

	/** Constructor to be privately used by Importer */
	FindInvalidDataProcess();

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

public:

	// -------------------------------------------------------------------
	// 
	bool IsActive( unsigned int pFlags) const;

	// -------------------------------------------------------------------
	// Setup import settings
	void SetupProperties(const Importer* pImp);

	// -------------------------------------------------------------------
	// Run the step
	void Execute( aiScene* pScene);

protected:

	// -------------------------------------------------------------------
	/** Executes the postprocessing step on the given mesh
	 * @param pMesh The mesh to process.
	 * @return 0 - nothing, 1 - removed sth, 2 - please delete me  */
	int ProcessMesh( aiMesh* pMesh);

	// -------------------------------------------------------------------
	/** Executes the postprocessing step on the given animation
	 * @param anim The animation to process.  */
	void ProcessAnimation (aiAnimation* anim);

	// -------------------------------------------------------------------
	/** Executes the postprocessing step on the given anim channel
	 * @param anim The animation channel to process.*/
	void ProcessAnimationChannel (aiNodeAnim* anim);

private:
	float configEpsilon;
};

} // end of namespace Assimp

#endif // AI_AI_FINDINVALIDDATA_H_INC
