/* 
 * 
 * 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 1999-2008 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_DYNAMICS2_DYNAMICS_CP_ID_MGR_H
#define HK_DYNAMICS2_DYNAMICS_CP_ID_MGR_H


/// Class to manage the link between external contact points and hkDynamicsContactPoints.
class hkpDynamicsCpIdMgr
{
	public:
		HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_DYNAMICS, hkpDynamicsCpIdMgr );

		enum { HK_MAX_IDS_PER_OBJECT = 8 };
		enum { FREE_VALUE = 0xff };
		typedef hkUchar hkpValueType;

	public:

		inline  hkpDynamicsCpIdMgr();
		inline ~hkpDynamicsCpIdMgr() {}

			/// Returns an index (==contactPointId) into m_values[] and sets m_values[id] = value
		inline int newId( int value );

			/// Finds the index (==contactPointId) of an value
		inline int indexOf( int value ) const;

			/// Flags the id to be free.
		inline void freeId( int id );

			/// Decrement all values which are greater then relIndex.
		inline void decrementValuesGreater( int relIndex );

		inline void getAllUsedIds( hkArray<hkContactPointId>& ids ) const;

		inline hkpValueType getValueAt(int id);

	public:

		hkInplaceArray<hkpValueType,HK_MAX_IDS_PER_OBJECT>	m_values;

};

#include <Physics/Dynamics/Constraint/Contact/hkpDynamicsCpIdMgr.inl>

#endif // HK_DYNAMICS2_DYNAMICS_CP_ID_MGR_H

/*
* Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20080529)
*
* Confidential Information of Havok.  (C) Copyright 1999-2008 
* 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
*
*/
