/*
 * Copyright © 2011-2020 Frictional Games
 * 
 * This file is part of Amnesia: A Machine For Pigs.
 * 
 * Amnesia: A Machine For Pigs 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. 

 * Amnesia: A Machine For Pigs 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 Amnesia: A Machine For Pigs.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef HPL_COLLIDE_SHAPE_H
#define HPL_COLLIDE_SHAPE_H

#include "physics/PhysicsTypes.h"
#include "math/MathTypes.h"
#include "math/BoundingVolume.h"

namespace hpl {
	
	//-----------------------------------------------

	class iPhysicsWorld;

	//-----------------------------------------------
	
	class iCollideShape
	{
	public:
		iCollideShape(iPhysicsWorld *apWorld) : mlUserCount(0), mpWorld(apWorld) {}
		virtual ~iCollideShape(){}

		virtual iCollideShape* GetSubShape(int alIdx)=0;
		virtual int GetSubShapeNum()=0;
		
		const cVector3f& GetSize(){ return mvSize;}
		
		float GetRadius(){ return mvSize.x;}
		float GetHeight(){ return mvSize.y;}
		float GetWidth(){ return mvSize.x;}
		float GetDepth(){ return mvSize.z;}

		const cMatrixf& GetOffset(){ return m_mtxOffset;}

		eCollideShapeType GetType(){ return mType;}

		void IncUserCount(){ mlUserCount++;}
		void DecUserCount(){ mlUserCount--;}

		bool HasUsers(){ return mlUserCount>0;}
		int GetUserCount(){return mlUserCount;}

		float GetVolume(){ return mfVolume;}

		cBoundingVolume& GetBoundingVolume(){ return mBoundingVolume;}
	protected:
		cVector3f mvSize;
		eCollideShapeType mType;
		cMatrixf m_mtxOffset;

		int mlUserCount;

        iPhysicsWorld *mpWorld;
		float mfVolume;

		cBoundingVolume mBoundingVolume;
	};
};
#endif // HPL_COLLIDE_SHAPE_H
