/* 
 * 
 * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
 * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
 * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
 * 
 */

#ifndef HK_COLLIDE2_BOX_SHAPE_H
#define HK_COLLIDE2_BOX_SHAPE_H

#include <Physics/Collide/Shape/Convex/hkpConvexShape.h>

extern const hkClass hkpBoxShapeClass;

/// A simple box shape centered around the origin.
class hkpBoxShape : public hkpConvexShape
{
	public:

		HK_DECLARE_REFLECTION();

		HK_DECLARE_GET_SIZE_FOR_SPU(hkpBoxShape);

			/// Creates a box with the given half extents ( An (X by Y by Z) box has the half-extents (X/2, Y/2, Z/2) ).
		hkpBoxShape( const hkVector4& halfExtents, hkReal radius = hkConvexShapeDefaultRadius );

			/// Gets the half extents ( An (X by Y by Z) box has the half-extent (X/2, Y/2, Z/2) ).
		inline const hkVector4& getHalfExtents() const;

			/// Sets the half extents. Note that changing the half extents will not wake up sleeping objects.
		void setHalfExtents(const hkVector4& halfExtents);


		//
		// hkpConvexShape implementation
		//


			// hkpConvexShape::getSupportingVertex() interface implementation.
		HKP_SHAPE_VIRTUAL void getSupportingVertexImpl( HKP_SHAPE_VIRTUAL_THIS hkVector4Parameter direction, hkpCdVertex& supportingVertexOut ) HKP_SHAPE_VIRTUAL_CONST;

			// hkpConvexShape interface implementation.
		HKP_SHAPE_VIRTUAL void convertVertexIdsToVerticesImpl( HKP_SHAPE_VIRTUAL_THIS const hkpVertexId* ids, int numIds, hkpCdVertex* verticesOut) HKP_SHAPE_VIRTUAL_CONST;

			// hkpConvexShape interface implementation.
		HKP_SHAPE_VIRTUAL void getCentreImpl( HKP_SHAPE_VIRTUAL_THIS hkVector4& centreOut ) HKP_SHAPE_VIRTUAL_CONST;

		//
		// hkpSphereRepShape implementation
		//

			// hkpSphereRepShape interface implementation.
		HKP_SHAPE_VIRTUAL int getNumCollisionSpheresImpl( HKP_SHAPE_VIRTUAL_THIS2 ) HKP_SHAPE_VIRTUAL_CONST;

			// hkpSphereRepShape interface implementation.
		HKP_SHAPE_VIRTUAL const hkSphere* getCollisionSpheresImpl( HKP_SHAPE_VIRTUAL_THIS hkSphere* sphereBuffer ) HKP_SHAPE_VIRTUAL_CONST;

		//
		// hkpShape implementation
		//
			// hkpShape interface implementation.
		HKP_SHAPE_VIRTUAL void getAabbImpl( HKP_SHAPE_VIRTUAL_THIS const hkTransform& localToWorld, hkReal tolerance, hkAabb& out ) HKP_SHAPE_VIRTUAL_CONST;

			//	hkpShape interface implementation.
		HKP_SHAPE_VIRTUAL hkBool castRayImpl( HKP_SHAPE_VIRTUAL_THIS const hkpShapeRayCastInput& input, hkpShapeRayCastOutput& results) HKP_SHAPE_VIRTUAL_CONST;



			// hkpConvexShape interface implementation.
		virtual void getFirstVertex(hkVector4& v) const;


			/// Returns a struct of function pointers needed by the SPU
		static void HK_CALL registerSimulationFunctions( ShapeFuncs& sf );

			/// Returns a struct of function pointers needed by the SPU
		static void HK_CALL HK_INIT_FUNCTION( registerCollideQueryFunctions )( ShapeFuncs& sf );

		/// Returns a struct of function pointers needed by the SPU
		static void HK_CALL registerRayCastFunctions( ShapeFuncs& sf );

			/// Returns a struct of function pointers needed by the SPU
		static void HK_CALL registerGetAabbFunction( ShapeFuncs& sf );


        virtual void calcContentStatistics( hkStatisticsCollector* collector, const hkClass* cls) const;


	protected:

		hkVector4 m_halfExtents;


	public:
		~hkpBoxShape();

		hkpBoxShape( hkFinishLoadedObjectFlag flag ) : hkpConvexShape(flag) { m_type = HK_SHAPE_BOX; }

};


#include <Physics/Collide/Shape/Convex/Box/hkpBoxShape.inl>

#endif // HK_COLLIDE2_BOX_SHAPE_H

/*
* Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20091222)
* 
* Confidential Information of Havok.  (C) Copyright 1999-2009
* Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
* Logo, and the Havok buzzsaw logo are trademarks of Havok.  Title, ownership
* rights, and intellectual property rights in the Havok software remain in
* Havok and/or its suppliers.
* 
* Use of this software for evaluation purposes is subject to and indicates
* acceptance of the End User licence Agreement for this product. A copy of
* the license is included with this software and is also available at www.havok.com/tryhavok.
* 
*/
