/**
* @file   LLConvexDecompositionStubImpl.h
* @author falcon@lindenlab.com
* @brief  A stub implementation of LLConvexDecomposition
*
* $LicenseInfo:firstyear=2011&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 20112010, Linden Research, Inc.
* 
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
* 
* This library 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
* Lesser General Public License for more details.
* 
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
* 
* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
* $/LicenseInfo$
*/

#ifndef LL_CONVEX_DECOMP_UTIL_H
#define LL_CONVEX_DECOMP_UTIL_H

#include "llconvexdecomposition.h"

class LLConvexDecompositionImpl : public LLConvexDecomposition
{
	public:

		virtual ~LLConvexDecompositionImpl() {}

		static LLConvexDecomposition* getInstance();
		static LLCDResult initSystem();
		static LLCDResult initThread();
		static LLCDResult quitThread();
		static LLCDResult quitSystem();

		void genDecomposition(int& decomp);
		void deleteDecomposition(int decomp);
		void bindDecomposition(int decomp);

		// Sets *paramsOut to the address of the LLCDParam array and returns
		// the length of the array
		int getParameters(const LLCDParam** paramsOut)
		{
			*paramsOut = NULL;
			return 0;
		}

		int getStages(const LLCDStageData** stagesOut)
		{
			*stagesOut = NULL;
			return 0;
		}

		// Set a parameter by name. Returns false if out of bounds or unsupported parameter
		LLCDResult	setParam(const char* name, float val);
		LLCDResult	setParam(const char* name, int val);
		LLCDResult	setParam(const char* name, bool val);
		LLCDResult	setMeshData( const LLCDMeshData* data, bool vertex_based );
		LLCDResult	registerCallback(int stage, llcdCallbackFunc callback );

		LLCDResult	executeStage(int stage);

		int getNumHullsFromStage(int stage);

		LLCDResult	getHullFromStage( int stage, int hull, LLCDHull* hullOut );
		LLCDResult  getSingleHull( LLCDHull* hullOut ) ;

		// TODO: Implement lock of some kind to disallow this call if data not yet ready
		LLCDResult	getMeshFromStage( int stage, int hull, LLCDMeshData* meshDataOut);
		LLCDResult	getMeshFromHull( LLCDHull* hullIn, LLCDMeshData* meshOut );

		// For visualizing convex hull shapes in the viewer physics shape display
		LLCDResult generateSingleHullMeshFromMesh( LLCDMeshData* meshIn, LLCDMeshData* meshOut);

		/// Debug
		void loadMeshData(const char* fileIn, LLCDMeshData** meshDataOut);

	private:
		LLConvexDecompositionImpl() {}
};

#endif //LL_CONVEX_DECOMP_UTIL_H