blender/source/gameengine/GameLogic/Joystick/SCA_Joystick.h

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/**
* ***** BEGIN GPL LICENSE BLOCK *****
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*
* 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.
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*
* 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,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
* 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 *****
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*/
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#ifndef _SCA_JOYSTICK_H_
#define _SCA_JOYSTICK_H_
#include "SCA_JoystickDefines.h"
#ifndef DISABLE_SDL
#include "SDL.h"
#endif
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/*
* 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
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*/
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class SCA_Joystick
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{
static SCA_Joystick *m_instance[JOYINDEX_MAX];
static int m_joynum;
static int m_refCount;
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class PrivateData;
#ifndef DISABLE_SDL
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PrivateData *m_private;
#endif
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int m_joyindex;
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/*
*support for JOYAXIS_MAX axes (in pairs)
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*/
int m_axis_array[JOYAXIS_MAX];
/*
*support for JOYHAT_MAX hats (each is a direction)
*/
int m_hat_array[JOYHAT_MAX];
/*
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* Precision or range of the axes
*/
int m_prec;
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/*
* max # of buttons avail
*/
int m_axismax;
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int m_buttonmax;
int m_hatmax;
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/* is the joystick initialized ?*/
bool m_isinit;
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/* is triggered for each event type */
bool m_istrig_axis;
bool m_istrig_button;
bool m_istrig_hat;
#ifndef DISABLE_SDL
/*
* event callbacks
*/
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
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/*
* Open the joystick
*/
bool CreateJoystickDevice(void);
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/*
* Close the joystick
*/
void DestroyJoystickDevice(void);
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/*
* fills the axis mnember values
*/
void pFillButtons(void);
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/*
* returns m_axis_array
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*/
int pAxisTest(int axisnum);
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/*
* returns m_axis_array
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*/
int pGetAxis(int axisnum, int udlr);
SCA_Joystick(short int index);
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~SCA_Joystick();
public:
static SCA_Joystick *GetInstance( short int joyindex );
static void HandleEvents( void );
void ReleaseInstance();
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/*
*/
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);
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bool aButtonPressIsPositive(int button);
bool aButtonReleaseIsPositive(int button);
bool aHatIsPositive(int hatnum, int dir);
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/*
* precision is default '3200' which is overridden by input
*/
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void cSetPrecision(int val);
int GetAxisPosition(int index){
return m_axis_array[index];
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}
int GetHat(int index){
return m_hat_array[index];
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}
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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;
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}
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/*
* returns the # of...
*/
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int GetNumberOfAxes(void);
int GetNumberOfButtons(void);
int GetNumberOfHats(void);
/*
* Test if the joystick is connected
*/
int Connected(void);
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};
#ifndef DISABLE_SDL
void Joystick_HandleEvents( void );
#endif
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#endif