/* GSport - an Apple //gs Emulator Copyright (C) 2010 - 2013 by GSport contributors Based on the KEGS emulator written by and Copyright (C) 2003 Kent Dickey 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 */ #include "defc.h" #ifdef __linux__ # include # include #endif #ifdef _WIN32 # include # include # include #endif extern int g_joystick_native_type1; /* in paddles.c */ extern int g_joystick_native_type2; /* in paddles.c */ extern int g_joystick_native_type; /* in paddles.c */ extern int g_paddle_buttons; extern int g_paddle_val[]; const char *g_joystick_dev = "/dev/input/js0"; /* default joystick dev file */ #define MAX_JOY_NAME 128 int g_joystick_native_fd = -1; int g_joystick_num_axes = 0; int g_joystick_num_buttons = 0; #ifdef __linux__ # define JOYSTICK_DEFINED void joystick_init() { char joy_name[MAX_JOY_NAME]; int version; int fd; int i; fd = open(g_joystick_dev, O_RDONLY | O_NONBLOCK); if(fd < 0) { printf("Unable to open joystick dev file: %s, errno: %d\n", g_joystick_dev, errno); printf("Defaulting to mouse joystick\n"); return; } strcpy(&joy_name[0], "Unknown Joystick"); version = 0x800; ioctl(fd, JSIOCGNAME(MAX_JOY_NAME), &joy_name[0]); ioctl(fd, JSIOCGAXES, &g_joystick_num_axes); ioctl(fd, JSIOCGBUTTONS, &g_joystick_num_buttons); ioctl(fd, JSIOCGVERSION, &version); printf("Detected joystick: %s [%d axes, %d buttons vers: %08x]\n", joy_name, g_joystick_num_axes, g_joystick_num_buttons, version); g_joystick_native_type1 = 1; g_joystick_native_type2 = -1; g_joystick_native_fd = fd; for(i = 0; i < 4; i++) { g_paddle_val[i] = 32767; } g_paddle_buttons = 0xc; joystick_update(0.0); } /* joystick_update_linux() called from paddles.c. Update g_paddle_val[] */ /* and g_paddle_buttons with current information */ void joystick_update(double dcycs) { struct js_event js; /* the linux joystick event record */ int mask; int val; int num; int type; int ret; int len; int i; /* suck up to 20 events, then give up */ len = sizeof(struct js_event); for(i = 0; i < 20; i++) { ret = read(g_joystick_native_fd, &js, len); if(ret != len) { /* just get out */ break; } type = js.type & ~JS_EVENT_INIT; val = js.value; num = js.number & 3; /* clamp to 0-3 */ switch(type) { case JS_EVENT_BUTTON: mask = 1 << num; if(val) { val = mask; } g_paddle_buttons = (g_paddle_buttons & ~mask) | val; break; case JS_EVENT_AXIS: /* val is -32767 to +32767 */ g_paddle_val[num] = val; break; } } // if(i > 0) { // Note from Dave Schmenk: paddle_update_trigger_dcycles(dcycs) always has to be called to keep the triggers current. paddle_update_trigger_dcycs(dcycs); // } } void joystick_update_buttons() { } #endif /* LINUX */ #ifdef _WIN32 # define JOYSTICK_DEFINED void joystick_init() { JOYINFO info; JOYCAPS joycap; MMRESULT ret1, ret2; int i; // Check that there is a joystick device if(joyGetNumDevs() <= 0) { printf("No joystick hardware detected\n"); g_joystick_native_type1 = -1; g_joystick_native_type2 = -1; return; } g_joystick_native_type1 = -1; g_joystick_native_type2 = -1; // Check that at least joystick 1 or joystick 2 is available ret1 = joyGetPos(JOYSTICKID1, &info); ret2 = joyGetDevCaps(JOYSTICKID1, &joycap, sizeof(joycap)); if(ret1 == JOYERR_NOERROR && ret2 == JOYERR_NOERROR) { g_joystick_native_type1 = JOYSTICKID1; printf("Joystick #1 = %s\n", joycap.szPname); g_joystick_native_type = JOYSTICKID1; } ret1 = joyGetPos(JOYSTICKID2, &info); ret2 = joyGetDevCaps(JOYSTICKID2, &joycap, sizeof(joycap)); if(ret1 == JOYERR_NOERROR && ret2 == JOYERR_NOERROR) { g_joystick_native_type2 = JOYSTICKID2; printf("Joystick #2 = %s\n", joycap.szPname); if(g_joystick_native_type < 0) { g_joystick_native_type = JOYSTICKID2; } } if (g_joystick_native_type1<0 && g_joystick_native_type2 <0) { printf ("No joystick is attached\n"); return; } for(i = 0; i < 4; i++) { g_paddle_val[i] = 32767; } g_paddle_buttons = 0xc; joystick_update(0.0); } void joystick_update(double dcycs) { JOYCAPS joycap; JOYINFO info; UINT id; MMRESULT ret1, ret2; id = g_joystick_native_type; ret1 = joyGetDevCaps(id, &joycap, sizeof(joycap)); ret2 = joyGetPos(id, &info); if(ret1 == JOYERR_NOERROR && ret2 == JOYERR_NOERROR) { /* val should be -32767 to +32767 */ g_paddle_val[0] = -32767 + (info.wXpos - joycap.wXmin) * 65535 / (joycap.wXmax - joycap.wXmin); g_paddle_val[1] = -32767 + (info.wYpos - joycap.wYmin) * 65535 / (joycap.wYmax - joycap.wYmin); if(info.wButtons & JOY_BUTTON1) { g_paddle_buttons = g_paddle_buttons | 1; } else { g_paddle_buttons = g_paddle_buttons & (~1); } if(info.wButtons & JOY_BUTTON2) { g_paddle_buttons = g_paddle_buttons | 2; } else { g_paddle_buttons = g_paddle_buttons & (~2); } paddle_update_trigger_dcycs(dcycs); } } void joystick_update_buttons() { JOYINFOEX info; UINT id; id = g_joystick_native_type; info.dwSize = sizeof(JOYINFOEX); info.dwFlags = JOY_RETURNBUTTONS; if(joyGetPosEx(id, &info) == JOYERR_NOERROR) { if(info.dwButtons & JOY_BUTTON1) { g_paddle_buttons = g_paddle_buttons | 1; } else { g_paddle_buttons = g_paddle_buttons & (~1); } if(info.dwButtons & JOY_BUTTON2) { g_paddle_buttons = g_paddle_buttons | 2; } else { g_paddle_buttons = g_paddle_buttons & (~2); } } } #endif #ifndef JOYSTICK_DEFINED /* stubs for the routines */ void joystick_init() { g_joystick_native_type1 = -1; g_joystick_native_type2 = -1; g_joystick_native_type = -1; } void joystick_update(double dcycs) { int i; for(i = 0; i < 4; i++) { g_paddle_val[i] = 32767; } g_paddle_buttons = 0xc; } void joystick_update_buttons() { } // OG void joystick_shut() { } #endif