/**
 * $Id: DummyPhysicsEnvironment.h,v 1.5 2002/12/27 13:10:54 mein Exp $
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * This program 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 2
 * of the License, or (at your option) any later version. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */
#ifndef _DUMMYPHYSICSENVIRONMENT
#define _DUMMYPHYSICSENVIRONMENT

#include "PHY_IPhysicsEnvironment.h"

/**
*	DummyPhysicsEnvironment  is an empty placeholder
*   Alternatives are ODE,Sumo and Dynamo PhysicsEnvironments
*	Use DummyPhysicsEnvironment as a base to integrate your own physics engine
*	Physics Environment takes care of stepping the simulation and is a container for physics entities (rigidbodies,constraints, materials etc.)
*
*	A derived class may be able to 'construct' entities by loading and/or converting
*/
class DummyPhysicsEnvironment  : public PHY_IPhysicsEnvironment
{

public:
	DummyPhysicsEnvironment ();
	virtual		~DummyPhysicsEnvironment ();
// Perform an integration step of duration 'timeStep'.
	virtual	void		proceed (double	timeStep);
	virtual	void		setGravity(float x,float y,float z);

	virtual int			createConstraint(class PHY_IPhysicsController* ctrl,class PHY_IPhysicsController* ctrl2,PHY_ConstraintType type,
			float pivotX,float pivotY,float pivotZ,
			float axisX,float axisY,float axisZ);

	virtual void		removeConstraint(int constraintid);
	virtual PHY_IPhysicsController* rayTest(void* ignoreClient, float fromX,float fromY,float fromZ, float toX,float toY,float toZ, 
									float& hitX,float& hitY,float& hitZ,float& normalX,float& normalY,float& normalZ);


};

#endif //_DUMMYPHYSICSENVIRONMENT

