#ifndef CONVEX_BUILDER_H
#define CONVEX_BUILDER_H

/*----------------------------------------------------------------------
Copyright (c) 2004 Open Dynamics Framework Group
www.physicstools.org
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and the following disclaimer.

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this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

Neither the name of the Open Dynamics Framework Group nor the names of its contributors may
be used to endorse or promote products derived from this software without specific prior written permission.

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 INTEL 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
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-----------------------------------------------------------------------*/

// http://codesuppository.blogspot.com
//
// mailto: jratcliff@infiniplex.net
//
// http://www.amillionpixels.us
//

#include "ConvexDecomposition.h"
#include "vlookup.h"
#include "LinearMath/btAlignedObjectArray.h"

class CHull
{
public:
	CHull(const ConvexDecomposition::ConvexResult &result);

	~CHull(void);

	bool overlap(const CHull &h) const;

	float mMin[3];
	float mMax[3];
	float mVolume;
	float mDiagonal;  // long edge..
	ConvexDecomposition::ConvexResult *mResult;
};

// Usage: std::sort( list.begin(), list.end(), StringSortRef() );
class CHullSort
{
public:
	inline bool operator()(const CHull *a, const CHull *b) const
	{
		return a->mVolume < b->mVolume;
	}
};

typedef btAlignedObjectArray<CHull *> CHullVector;

class ConvexBuilder : public ConvexDecomposition::ConvexDecompInterface
{
public:
	ConvexBuilder(ConvexDecomposition::ConvexDecompInterface *callback);

	virtual ~ConvexBuilder(void);

	bool isDuplicate(unsigned int i1, unsigned int i2, unsigned int i3,
					 unsigned int ci1, unsigned int ci2, unsigned int ci3);

	void getMesh(const ConvexDecomposition::ConvexResult &cr, VertexLookup vc, UintVector &indices);

	CHull *canMerge(CHull *a, CHull *b);

	bool combineHulls(void);

	unsigned int process(const ConvexDecomposition::DecompDesc &desc);

	virtual void ConvexDebugTri(const float *p1, const float *p2, const float *p3, unsigned int color);

	virtual void ConvexDebugOBB(const float *sides, const float *matrix, unsigned int color);
	virtual void ConvexDebugPoint(const float *p, float dist, unsigned int color);

	virtual void ConvexDebugBound(const float *bmin, const float *bmax, unsigned int color);

	virtual void ConvexDecompResult(ConvexDecomposition::ConvexResult &result);

	void sortChulls(CHullVector &hulls);

	CHullVector mChulls;
	ConvexDecompInterface *mCallback;
};

#endif  //CONVEX_BUILDER_H