SCA_Joystick.h

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/*
 * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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"
#ifdef WITH_SDL
#  include "SDL.h"
#endif

class SCA_Joystick

{
    static SCA_Joystick *m_instance[JOYINDEX_MAX];
    static int m_joynum;
    static int m_refCount;

    class PrivateData;
#ifdef WITH_SDL
    PrivateData     *m_private;
#endif
    int             m_joyindex;

    int m_axis_array[JOYAXIS_MAX];

    int m_hat_array[JOYHAT_MAX];    
    
    int             m_prec;

    int             m_axismax;
    int             m_buttonmax;
    int             m_hatmax;
    
    bool            m_isinit;

    
    bool            m_istrig_axis;
    bool            m_istrig_button;
    bool            m_istrig_hat;

#ifdef WITH_SDL

    void OnAxisMotion(SDL_Event *sdl_event);
    void OnHatMotion(SDL_Event *sdl_event);
    void OnButtonUp(SDL_Event *sdl_event);
    void OnButtonDown(SDL_Event *sdl_event);
    void OnNothing(SDL_Event *sdl_event);
#if 0 /* not used yet */
    void OnBallMotion(SDL_Event *sdl_event){}
#endif
        
#endif /* WITH_SDL */

    bool CreateJoystickDevice(void);

    void DestroyJoystickDevice(void);

    void pFillButtons(void);

    int pAxisTest(int axisnum);
    int pGetAxis(int axisnum, int udlr);

    SCA_Joystick(short int index);

    ~SCA_Joystick();
    
public:

    static SCA_Joystick *GetInstance( short int joyindex );
    static void HandleEvents( void );
    void ReleaseInstance();
    

    /*
     */
    bool aAxisPairIsPositive(int axis);
    bool aAxisPairDirectionIsPositive(int axis, int dir); /* function assumes joysticks are in axis pairs */
    bool aAxisIsPositive(int axis_single); /* check a single axis only */

    bool aAnyButtonPressIsPositive(void);
    bool aButtonPressIsPositive(int button);
    bool aButtonReleaseIsPositive(int button);
    bool aHatIsPositive(int hatnum, int dir);

    void cSetPrecision(int val);

    int GetAxisPosition(int index){
        return m_axis_array[index];
    }

    int GetHat(int index){
        return m_hat_array[index];
    }

    int GetThreshold(void){
        return m_prec;
    }

    bool IsTrigAxis(void){
        return m_istrig_axis;
    }
    
    bool IsTrigButton(void){
        return m_istrig_button;
    }
    
    bool IsTrigHat(void){
        return m_istrig_hat;
    }

    int GetNumberOfAxes(void);
    int GetNumberOfButtons(void);
    int GetNumberOfHats(void);
    
    int Connected(void);
};
#ifdef WITH_SDL
void Joystick_HandleEvents( void );
#endif

#endif