/**

 * ***** BEGIN GPL 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.




 *

 * 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): snailrose.

 *

 * ***** END GPL LICENSE BLOCK *****

 */

#ifndef _SCA_JOYSTICK_H_

#define _SCA_JOYSTICK_H_



#include "SCA_JoystickDefines.h"





/*

 * Basic Joystick class
 * I will make this class a singleton because there should be only one joystick
 * even if there are more than one scene using it and count how many scene are using it.
 * The underlying joystick should only be removed when the last scene is removed
 */

class SCA_Joystick

{
	static SCA_Joystick *m_instance;
	static int m_refCount;

	class PrivateData;

	PrivateData		*m_private;

	int				m_joyindex;

	/*!

	 * the number of avail joysticks 

	 */

	int 			m_numjoys;

	/* 

	 *support for 2 axes 

	 */

	int m_axis10,m_axis11;

	int m_axis20,m_axis21;

	/* 

	 * Precision or range of the axes

	 */

	int 			m_prec;

	/*

	 * multiple axis values stored here

	 */

	int 			m_axisnum;

	int 			m_axisvalue;

	/*

	 * max # of axes avail

	 */

	/*disabled

	int 			m_axismax;

	*/

	/* 

	 *	button values stored here 

	 */

	int 			m_buttonnum;

	/*

	 * max # of buttons avail

	*/

	int 			m_buttonmax;

	 /* 

	 * hat values stored here 

	 */

	int 			m_hatnum;

	int 			m_hatdir;

	/*

	 * max # of hats avail

		disabled

	int 			m_hatmax;

	 */

	/* is the joystick initialized ?*/

	bool			m_isinit;

	

	/* is triggered */

	bool			m_istrig;

	/*

	 * Open the joystick

	 */

	bool pCreateJoystickDevice(void);

	/*

	 * Close the joystick

	 */

	void pDestroyJoystickDevice(void);

	

	/*

	 * event callbacks

	 */

	void OnAxisMotion(void);

	void OnHatMotion(void);

	void OnButtonUp(void);

	void OnButtonDown(void);

	void OnNothing(void);

	void OnBallMotion(void){}

	/*

	 * fills the axis mnember values 

	 */

	void pFillAxes(void);



	void pFillButtons(void);

	/*

	 * returns m_axis10,m_axis11...

	 */

	int pGetAxis(int axisnum, int udlr);

	/*

	 * gets the current button

	 */

	int pGetButtonPress(int button);

	/*

	 * returns if no button is pressed

	 */

	int pGetButtonRelease(int button);

	/*

	 * gets the current hat direction

	 */

	int pGetHat(int direction);

	SCA_Joystick();

	~SCA_Joystick();
	
	bool CreateJoystickDevice(void);

	void DestroyJoystickDevice(void);


public:

	static SCA_Joystick *GetInstance();

	void ReleaseInstance();
	

	void HandleEvents();

	/*

	 */

	bool aUpAxisIsPositive(int axis);

	bool aDownAxisIsPositive(int axis);

	bool aLeftAxisIsPositive(int axis);

	bool aRightAxisIsPositive(int axis);

	bool aButtonPressIsPositive(int button);

	bool aButtonReleaseIsPositive(int button);

	bool aHatIsPositive(int dir);

	/*

	 * precision is default '3200' which is overridden by input

	 */

	void cSetPrecision(int val);



	int GetAxis10(void){

		return m_axis10;

	}

	int GetAxis11(void){

		return m_axis11;

	}

	int GetAxis20(void){

		return m_axis20;

	}

	int GetAxis21(void){

		return m_axis21;

	}

	int GetButton(void){

		return m_buttonnum;

	}

	int GetHat(void){

		return m_hatdir;

	}

	int GetThreshold(void){

		return m_prec;

	}

	bool IsTrig(void){

		return m_istrig;

	}

	

	/*

	 * returns true if an event is being processed

	 */

	bool GetJoyAxisMotion(void);

	bool GetJoyButtonPress(void);

	bool GetJoyButtonRelease(void);

	bool GetJoyHatMotion(void);

	/*

	 * returns the # of...

	 */

	int GetNumberOfAxes(void);

	int GetNumberOfButtons(void);

	int GetNumberOfHats(void);

	

};



#endif