/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#ifndef plPhysXCooking_h_inc
#define plPhysXCooking_h_inc

#include "hsTypes.h"
#include "hsGeometry3.h"
#include  "plMaxMeshExtractor.h"
class hsStream;
class hsVectorStream;
class NxConvexMesh;
class NxUtilLib;
class NxVec3;
class NxMat33;

class plPhysXCooking
{
public:
	static void Init();
	static void Shutdown();

	static hsVectorStream* CookTrimesh(int nVerts, hsPoint3* verts, int nFaces, UInt16* faces);
	static bool TestIfConvex(NxConvexMesh* convexMesh, int nVerts, hsPoint3* verts);
	static hsVectorStream* CookHull(int nVerts, hsPoint3* verts,bool inflate);
	static bool IsPointInsideHull(hsPlane3* hull, int nPlanes, const hsPoint3& pos);
	static inline bool ITestPlane(const hsPoint3 &pos, const hsPlane3 &plane)
	{
		hsScalar dis = plane.fN.InnerProduct(pos);
		dis += plane.fD;
		if( dis > 0.f )	
			return false;	

		return true;
	};
	static void PCA(const NxVec3* points,int numPoints, NxMat33& out);
	static NxUtilLib* fUtilLib;
	static bool fSkipErrors;
	static hsVectorStream* IMakePolytope(const plMaxMeshExtractor::NeutralMesh& inMesh);
};

#endif // plPhysXCooking_h_inc