//===========================================================================//
// File:	collorgn.hh                                                         //
// Project: MUNGA           Brick: Collision						                 //
// Contents: 																					  //
//---------------------------------------------------------------------------//
//   Date    Who  Modification                                               //
// --------  ---  ---------------------------------------------------------- //
// 06/01/95	 ECH	Initial coding															  //
//---------------------------------------------------------------------------//
// Copyright (C) 1994, Virtual World Entertainment, Inc.                     //
// All Rights reserved worldwide                                             //
// This unpublished sourcecode is PROPRIETARY and CONFIDENTIAL               //
//===========================================================================//

#if !defined(COLLORGN_HPP)
#	define COLLORGN_HPP

#	if !defined(INTEREST_HPP)
#		include <interest.hpp>
#	endif

	//##########################################################################
	//######################    CollisionOrigin    #############################
	//##########################################################################

	class CollisionOrigin:
		public InterestOrigin
	{
		friend class CollisionOrigin__MovingEntityIterator;

	//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	// Interest Manager support
	//
	public:
		typedef CollisionOrigin__MovingEntityIterator
			MovingEntityIterator;

	//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	// Construction, Destruction, Testing
	//
	public:
		CollisionOrigin(InterestZoneID interest_zone_ID);
		~CollisionOrigin();

		Logical
			TestInstance() const;

	//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	// Interest Manager support
	//
	protected:
		void
			AddInterestingEntity(Entity *interesting_entity);
		void
			RemoveUninterestingEntity(Entity *uninteresting_entity);
		void
			RemoveUninterestingEntities();

	//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	// Private data
	//
	private:
		SChainOf<Entity*>
			movingEntitySocket;
	};

	//~~~~~~~~~~~~~~~~~~~~ CollisionOrigin__MovingEntityIterator ~~~~~~~~~~~~~~~

	class CollisionOrigin__MovingEntityIterator:
		public SChainIteratorOf<Entity*>
	{
	public:
		CollisionOrigin__MovingEntityIterator(
			CollisionOrigin *collision_origin
      );
		~CollisionOrigin__MovingEntityIterator();
	};

#endif