mirror of
https://github.com/digarok/gsplus.git
synced 2024-11-24 06:34:02 +00:00
350 lines
9.2 KiB
C
350 lines
9.2 KiB
C
/*
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GSPLUS - Advanced Apple IIGS Emulator Environment
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Based on the KEGS emulator written by Kent Dickey
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See COPYRIGHT.txt for Copyright information
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See LICENSE.txt for license (GPL v2)
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*/
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#include "defc.h"
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#include "glog.h"
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#ifdef __linux__
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# include <linux/joystick.h>
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# include <sys/time.h>
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#endif
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#ifdef _WIN32
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# include <windows.h>
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# include <mmsystem.h>
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# include <time.h>
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#endif
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#ifdef HAVE_SDL
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# include "SDL.h"
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//@todo: multiple joysticks/more buttons/button config
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//static SDL_Joystick *joy0, *joy1;
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SDL_Joystick *gGameController = NULL;
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#endif
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extern int g_joystick_native_type1; /* in paddles.c */
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extern int g_joystick_native_type2; /* in paddles.c */
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extern int g_joystick_native_type; /* in paddles.c */
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extern int g_joystick_type;
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extern int g_paddle_buttons;
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extern int g_paddle_val[];
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const char *g_joystick_dev = "/dev/input/js0"; /* default joystick dev file */
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#define MAX_JOY_NAME 128
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int g_joystick_native_fd = -1;
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int g_joystick_num_axes = 0;
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int g_joystick_num_buttons = 0;
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int g_joystick_number = 0; // SDL2
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int g_joystick_x_axis = 0; // SDL2
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int g_joystick_y_axis = 1; // SDL2
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int g_joystick_button_0 = 0; // SDL2
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int g_joystick_button_1 = 1; // SDL2
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int g_joystick_x2_axis = 2; // SDL2
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int g_joystick_y2_axis = 3; // SDL2
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int g_joystick_button_2 = 2; // SDL2
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int g_joystick_button_3 = 3; // SDL2
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#define JOY2SUPPORT
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#if defined(HAVE_SDL) && !defined(JOYSTICK_DEFINED)
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# define JOYSTICK_DEFINED
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void joystick_init() {
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int i;
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if( SDL_Init( SDL_INIT_JOYSTICK ) < 0 ) {
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glogf( "SDL could not initialize joystick! SDL Error: %s", SDL_GetError() );
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} else {
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glog("SDL2 joystick initialized");
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}
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if (SDL_NumJoysticks()<1) {
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glog("No joysticks detected");
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SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
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} else {
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// @todo: make controller configurable
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// @todo: add multiple controller support
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gGameController = SDL_JoystickOpen( g_joystick_number );
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if( gGameController == NULL ) {
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glogf( "Warning: Unable to open game controller! SDL Error: %s", SDL_GetError() );
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}
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}
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g_joystick_native_type = 2;
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g_joystick_native_type1 = 2;
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g_joystick_native_type2 = -1;
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for(i = 0; i < 4; i++) {
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g_paddle_val[i] = 180;
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}
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g_joystick_type = JOYSTICK_TYPE_NATIVE_1;
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SDL_JoystickUpdate();
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joystick_update(0.0);
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}
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void joystick_update(double dcycs) {
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if (gGameController) {
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SDL_JoystickUpdate();
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g_paddle_val[0] = (int)SDL_JoystickGetAxis(gGameController, g_joystick_x_axis); // default is 0
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g_paddle_val[1] = (int)SDL_JoystickGetAxis(gGameController, g_joystick_y_axis); // default is 1
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g_paddle_val[2] = (int)SDL_JoystickGetAxis(gGameController, g_joystick_x2_axis); // default is 2
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g_paddle_val[3] = (int)SDL_JoystickGetAxis(gGameController, g_joystick_y2_axis); // default is 3
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if (SDL_JoystickGetButton(gGameController, g_joystick_button_0)) {
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g_paddle_buttons = g_paddle_buttons | 1;
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} else {
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g_paddle_buttons = g_paddle_buttons & (~1);
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}
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if (SDL_JoystickGetButton(gGameController, g_joystick_button_1)) {
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g_paddle_buttons = g_paddle_buttons | 2;
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} else {
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g_paddle_buttons = g_paddle_buttons & (~2);
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}
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if (SDL_JoystickGetButton(gGameController, g_joystick_button_2)) {
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g_paddle_buttons = g_paddle_buttons | 4;
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} else {
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g_paddle_buttons = g_paddle_buttons & (~4);
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}
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if (SDL_JoystickGetButton(gGameController, g_joystick_button_3)) {
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g_paddle_buttons = g_paddle_buttons | 8;
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} else {
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g_paddle_buttons = g_paddle_buttons & (~8);
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}
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paddle_update_trigger_dcycs(dcycs);
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}
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}
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void joystick_update_buttons() {
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}
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void joystick_shut() {
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SDL_JoystickClose( gGameController );
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gGameController = NULL;
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}
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#endif
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#if defined(__linux__) && !defined(JOYSTICK_DEFINED)
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# define JOYSTICK_DEFINED
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void joystick_init() {
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char joy_name[MAX_JOY_NAME];
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int version;
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int fd;
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int i;
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fd = open(g_joystick_dev, O_RDONLY | O_NONBLOCK);
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if(fd < 0) {
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printf("Unable to open joystick dev file: %s, errno: %d\n",
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g_joystick_dev, errno);
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printf("Defaulting to mouse joystick\n");
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return;
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}
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strcpy(&joy_name[0], "Unknown Joystick");
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version = 0x800;
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ioctl(fd, JSIOCGNAME(MAX_JOY_NAME), &joy_name[0]);
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ioctl(fd, JSIOCGAXES, &g_joystick_num_axes);
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ioctl(fd, JSIOCGBUTTONS, &g_joystick_num_buttons);
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ioctl(fd, JSIOCGVERSION, &version);
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printf("Detected joystick: %s [%d axes, %d buttons vers: %08x]\n",
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joy_name, g_joystick_num_axes, g_joystick_num_buttons,
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version);
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g_joystick_native_type1 = 1;
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g_joystick_native_type2 = -1;
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g_joystick_native_fd = fd;
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for(i = 0; i < 4; i++) {
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g_paddle_val[i] = 32767;
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}
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g_paddle_buttons = 0xc;
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joystick_update(0.0);
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}
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/* joystick_update_linux() called from paddles.c. Update g_paddle_val[] */
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/* and g_paddle_buttons with current information */
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void joystick_update(double dcycs) {
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struct js_event js; /* the linux joystick event record */
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int mask;
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int val;
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int num;
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int type;
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int ret;
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int len;
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int i;
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/* suck up to 20 events, then give up */
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len = sizeof(struct js_event);
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for(i = 0; i < 20; i++) {
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ret = read(g_joystick_native_fd, &js, len);
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if(ret != len) {
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/* just get out */
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break;
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}
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type = js.type & ~JS_EVENT_INIT;
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val = js.value;
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num = js.number & 3; /* clamp to 0-3 */
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switch(type) {
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case JS_EVENT_BUTTON:
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mask = 1 << num;
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if(val) {
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val = mask;
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}
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g_paddle_buttons = (g_paddle_buttons & ~mask) | val;
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break;
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case JS_EVENT_AXIS:
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/* val is -32767 to +32767 */
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g_paddle_val[num] = val;
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break;
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}
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}
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// if(i > 0) {
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// Note from Dave Schmenk: paddle_update_trigger_dcycles(dcycs) always has to be called to keep the triggers current.
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paddle_update_trigger_dcycs(dcycs);
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// }
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}
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void joystick_update_buttons() {
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}
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#endif /* LINUX */
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#if defined(_WIN32) && !defined(JOYSTICK_DEFINED)
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# define JOYSTICK_DEFINED
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void joystick_init() {
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JOYINFO info;
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JOYCAPS joycap;
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MMRESULT ret1, ret2;
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int i;
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// Check that there is a joystick device
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if(joyGetNumDevs() <= 0) {
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glog("No joystick hardware detected");
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g_joystick_native_type1 = -1;
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g_joystick_native_type2 = -1;
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return;
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}
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g_joystick_native_type1 = -1;
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g_joystick_native_type2 = -1;
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// Check that at least joystick 1 or joystick 2 is available
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ret1 = joyGetPos(JOYSTICKID1, &info);
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ret2 = joyGetDevCaps(JOYSTICKID1, &joycap, sizeof(joycap));
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if(ret1 == JOYERR_NOERROR && ret2 == JOYERR_NOERROR) {
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g_joystick_native_type1 = JOYSTICKID1;
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printf("Joystick #1 = %s\n", joycap.szPname);
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g_joystick_native_type = JOYSTICKID1;
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}
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ret1 = joyGetPos(JOYSTICKID2, &info);
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ret2 = joyGetDevCaps(JOYSTICKID2, &joycap, sizeof(joycap));
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if(ret1 == JOYERR_NOERROR && ret2 == JOYERR_NOERROR) {
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g_joystick_native_type2 = JOYSTICKID2;
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printf("Joystick #2 = %s\n", joycap.szPname);
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if(g_joystick_native_type < 0) {
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g_joystick_native_type = JOYSTICKID2;
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}
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}
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if (g_joystick_native_type1<0 && g_joystick_native_type2 <0) {
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glog("No joystick is attached");
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return;
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}
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for(i = 0; i < 4; i++) {
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g_paddle_val[i] = 32767;
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}
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g_paddle_buttons = 0xc;
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joystick_update(0.0);
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}
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void joystick_update(double dcycs) {
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JOYCAPS joycap;
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JOYINFO info;
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UINT id;
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MMRESULT ret1, ret2;
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id = g_joystick_native_type;
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ret1 = joyGetDevCaps(id, &joycap, sizeof(joycap));
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ret2 = joyGetPos(id, &info);
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if(ret1 == JOYERR_NOERROR && ret2 == JOYERR_NOERROR) {
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g_paddle_val[0] = (info.wXpos - joycap.wXmin) * 32768 /
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(joycap.wXmax - joycap.wXmin);
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g_paddle_val[1] = (info.wYpos - joycap.wYmin) * 32768 /
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(joycap.wYmax - joycap.wYmin);
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if(info.wButtons & JOY_BUTTON1) {
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g_paddle_buttons = g_paddle_buttons | 1;
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} else {
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g_paddle_buttons = g_paddle_buttons & (~1);
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}
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if(info.wButtons & JOY_BUTTON2) {
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g_paddle_buttons = g_paddle_buttons | 2;
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} else {
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g_paddle_buttons = g_paddle_buttons & (~2);
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}
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paddle_update_trigger_dcycs(dcycs);
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}
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}
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void joystick_update_buttons() {
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JOYINFOEX info;
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UINT id;
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id = g_joystick_native_type;
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info.dwSize = sizeof(JOYINFOEX);
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info.dwFlags = JOY_RETURNBUTTONS;
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if(joyGetPosEx(id, &info) == JOYERR_NOERROR) {
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if(info.dwButtons & JOY_BUTTON1) {
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g_paddle_buttons = g_paddle_buttons | 1;
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} else {
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g_paddle_buttons = g_paddle_buttons & (~1);
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}
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if(info.dwButtons & JOY_BUTTON2) {
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g_paddle_buttons = g_paddle_buttons | 2;
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} else {
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g_paddle_buttons = g_paddle_buttons & (~2);
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}
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}
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}
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#endif
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#ifndef JOYSTICK_DEFINED
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/* stubs for the routines */
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void joystick_init() {
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g_joystick_native_type1 = -1;
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g_joystick_native_type2 = -1;
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g_joystick_native_type = -1;
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}
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void joystick_update(double dcycs) {
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int i;
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for(i = 0; i < 4; i++) {
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g_paddle_val[i] = 32767;
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}
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g_paddle_buttons = 0xc;
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}
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void joystick_update_buttons() {
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}
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void joystick_shut() {
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}
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#endif
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