fceux/drivers/pc/sdl-joystick.cpp

100 lines
2.6 KiB
C++

/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2002 Xodnizel
* Copyright (C) 2002 Paul Kuliniewicz
*
* 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
*/
/* PK: SDL joystick input stuff */
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include "sdl.h"
#define MAX_JOYSTICKS 32
static SDL_Joystick *Joysticks[MAX_JOYSTICKS] = {NULL};
int DTestButtonJoy(ButtConfig *bc)
{
int x;
for(x=0;x<bc->NumC;x++)
{
if(bc->ButtonNum[x]&0x8000) /* Axis "button" */
{
int pos;
pos = SDL_JoystickGetAxis(Joysticks[bc->DeviceNum[x]], bc->ButtonNum[x]&16383);
if ((bc->ButtonNum[x]&0x4000) && pos <= -16383)
return(1);
else if (!(bc->ButtonNum[x]&0x4000) && pos >= 16363)
return(1);
}
else if(bc->ButtonNum[x]&0x2000) /* Hat "button" */
{
if( SDL_JoystickGetHat(Joysticks[bc->DeviceNum[x]],(bc->ButtonNum[x]>>8)&0x1F) & (bc->ButtonNum[x]&0xFF))
return(1);
}
else
if(SDL_JoystickGetButton(Joysticks[bc->DeviceNum[x]], bc->ButtonNum[x] ))
return(1);
}
return(0);
}
static int jinited=0;
/* Cleanup opened joysticks. */
int KillJoysticks (void)
{
int n; /* joystick index */
if(!jinited) return(0);
for (n = 0; n < MAX_JOYSTICKS; n++)
{
if (Joysticks[n] != 0)
SDL_JoystickClose(Joysticks[n]);
Joysticks[n]=0;
}
SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
return(1);
}
/* Initialize joysticks. */
int InitJoysticks (void)
{
int n; /* joystick index */
int total;
SDL_InitSubSystem(SDL_INIT_JOYSTICK);
total=SDL_NumJoysticks();
if(total>MAX_JOYSTICKS) total=MAX_JOYSTICKS;
for (n = 0; n < total; n++)
{
/* Open the joystick under SDL. */
Joysticks[n] = SDL_JoystickOpen(n);
//printf("Could not open joystick %d: %s.\n",
//joy[n] - 1, SDL_GetError());
continue;
}
jinited=1;
return(1);
}