/* -----------------------------------------------------------------------------
	GSFramework
	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
----------------------------------------------------------------------------- */


#ifndef	__NPHYSICWHEEL__
#define	__NPHYSICWHEEL__


		#include "math/matrix4.h"
		#include "memory/nshared_ptr.h"
		#include "container/nlist.h"


namespace GS {
	namespace NML { class Tag; }
	namespace S3D {

/*!
	@short	Abstract physic wheel for the physic vehicle model.
	@author	Emmanuel Julien (ejulien@gsworks.fr)
*/
struct	PhysicWheel
{
/*!
	@name	Wheel section.
	@{
*/
		float			friction, radius;
/*!
	@}
	@name	Suspension section.
	@{
*/
		Matrix4			ref_matrix;		///< Suspension origin in vehicle body space.

		float			rest_length,
						max_compression,
						stiffness,
						damping;
/// @}

/*!
	@name	Serialization.
	@{
*/
		bool			FromMetaTag(NML::Tag &tag);
		NML::Tag		*AsMetaTag() const;
/// @}

		PhysicWheel();
};

typedef	List <PhysicWheel *> PhysicWheelList;

	} // S3D
} // GS


#endif	// __NPHYSICWHEEL__