X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fjoystick.c;fp=src%2Fjoystick.c;h=0000000000000000000000000000000000000000;hp=2ad9cb8a9c47f19c4194a63a7383ba9a62421b08;hb=41e8d55b767c898f20c29a1b0b8d2ef8840be2f5;hpb=f746cebc5f808a8ff752930763a13c3820b244f1 diff --git a/src/joystick.c b/src/joystick.c deleted file mode 100644 index 2ad9cb8a..00000000 --- a/src/joystick.c +++ /dev/null @@ -1,521 +0,0 @@ -/*********************************************************** -* Rocks'n'Diamonds -- McDuffin Strikes Back! * -*----------------------------------------------------------* -* (c) 1995-2001 Artsoft Entertainment * -* Holger Schemel * -* Detmolder Strasse 189 * -* 33604 Bielefeld * -* Germany * -* e-mail: info@artsoft.org * -*----------------------------------------------------------* -* joystick.c * -***********************************************************/ - -#if defined(PLATFORM_FREEBSD) -#include -#endif - -#include "libgame/libgame.h" - -#include "joystick.h" - -#define TRANSLATE_JOYSYMBOL_TO_JOYNAME 0 -#define TRANSLATE_JOYNAME_TO_JOYSYMBOL 1 - -void translate_joyname(int *joysymbol, char **name, int mode) -{ - static struct - { - int joysymbol; - char *name; - } translate_joy[] = - { - { JOY_LEFT, "joystick_left" }, - { JOY_RIGHT, "joystick_right" }, - { JOY_UP, "joystick_up" }, - { JOY_DOWN, "joystick_down" }, - { JOY_BUTTON_1, "joystick_button_1" }, - { JOY_BUTTON_2, "joystick_button_2" }, - }; - - int i; - - if (mode == TRANSLATE_JOYSYMBOL_TO_JOYNAME) - { - *name = "[undefined]"; - - for (i=0; i<6; i++) - { - if (*joysymbol == translate_joy[i].joysymbol) - { - *name = translate_joy[i].name; - break; - } - } - } - else if (mode == TRANSLATE_JOYNAME_TO_JOYSYMBOL) - { - *joysymbol = 0; - - for (i=0; i<6; i++) - { - if (strcmp(*name, translate_joy[i].name) == 0) - { - *joysymbol = translate_joy[i].joysymbol; - break; - } - } - } -} - -char *getJoyNameFromJoySymbol(int joysymbol) -{ - char *name; - - translate_joyname(&joysymbol, &name, TRANSLATE_JOYSYMBOL_TO_JOYNAME); - return name; -} - -int getJoySymbolFromJoyName(char *name) -{ - int joysymbol; - - translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL); - return joysymbol; -} - -int getJoystickNrFromDeviceName(char *device_name) -{ - char c; - int joystick_nr = 0; - - if (device_name == NULL || device_name[0] == '\0') - return 0; - - c = device_name[strlen(device_name) - 1]; - - if (c >= '0' && c <= '9') - joystick_nr = (int)(c - '0'); - - if (joystick_nr < 0 || joystick_nr >= MAX_PLAYERS) - joystick_nr = 0; - - return joystick_nr; -} - -#if !defined(PLATFORM_MSDOS) -static int JoystickPosition(int middle, int margin, int actual) -{ - long range, pos; - int percentage; - - if (margin < middle && actual > middle) - return 0; - if (margin > middle && actual < middle) - return 0; - - range = ABS(margin - middle); - pos = ABS(actual - middle); - percentage = (int)(pos * 100 / range); - - if (percentage > 100) - percentage = 100; - - return percentage; -} -#endif - -#if defined(TARGET_SDL) - -static SDL_Joystick *sdl_joystick[MAX_PLAYERS] = { NULL, NULL, NULL, NULL }; -static int sdl_js_axis[MAX_PLAYERS][2] = { {0, 0}, {0, 0}, {0, 0}, {0, 0} }; -static int sdl_js_button[MAX_PLAYERS][2] = { {0, 0}, {0, 0}, {0, 0}, {0, 0} }; - -SDL_Joystick *Get_SDL_Joystick(int nr) -{ - return sdl_joystick[nr]; -} - -boolean Open_SDL_Joystick(int nr) -{ - if (nr < 0 || nr > MAX_PLAYERS) - return FALSE; - - return ((sdl_joystick[nr] = SDL_JoystickOpen(nr)) == NULL ? FALSE : TRUE); -} - -void Close_SDL_Joystick(int nr) -{ - if (nr < 0 || nr > MAX_PLAYERS) - return; - - SDL_JoystickClose(sdl_joystick[nr]); -} - -boolean Check_SDL_JoystickOpened(int nr) -{ - if (nr < 0 || nr > MAX_PLAYERS) - return FALSE; - - return (SDL_JoystickOpened(nr) ? TRUE : FALSE); -} - -void HandleJoystickEvent(Event *event) -{ - switch(event->type) - { - case SDL_JOYAXISMOTION: - if (event->jaxis.axis < 2) - { - sdl_js_axis[event->jaxis.which][event->jaxis.axis]= event->jaxis.value; - -#if 0 - printf("js_%d %s-axis: %d\n", - event->jaxis.which, - (event->jaxis.axis == 0 ? "x" : "y"), - event->jaxis.value); -#endif - } - break; - - case SDL_JOYBUTTONDOWN: - if (event->jbutton.button < 2) - { - sdl_js_button[event->jbutton.which][event->jbutton.button] = TRUE; - -#if 0 - printf("js_%d button %d: pressed\n", - event->jbutton.which, - event->jbutton.button); -#endif - } - break; - - case SDL_JOYBUTTONUP: - if (event->jbutton.button < 2) - { - sdl_js_button[event->jbutton.which][event->jbutton.button] = FALSE; - -#if 0 - printf("js_%d button %d: released\n", - event->jbutton.which, - event->jbutton.button); -#endif - } - break; - - default: - break; - } -} - -int Get_SDL_Joystick_Axis(int nr, int axis) -{ - if (nr < 0 || nr > MAX_PLAYERS) - return 0; - - if (axis < 0 || axis > 1) - return 0; - - return sdl_js_axis[nr][axis]; -} - -void CheckJoystickData() -{ -} - -int Joystick(int player_nr) -{ - int joystick_nr = stored_player[player_nr].joystick_fd; - int js_x,js_y, js_b1,js_b2; - int left, right, up, down; - int result = 0; - - if (joystick_status == JOYSTICK_OFF) - return 0; - - if (game_status == SETUPINPUT) - return 0; - - if (!setup.input[player_nr].use_joystick || - !Check_SDL_JoystickOpened(joystick_nr)) - return 0; - - js_x = sdl_js_axis[joystick_nr][0]; - js_y = sdl_js_axis[joystick_nr][1]; - - js_b1 = sdl_js_button[joystick_nr][0]; - js_b2 = sdl_js_button[joystick_nr][1]; - - - -#if 0 - printf("JOYSTICK %d: js_x == %d, js_y == %d, js_b1 == %d, js_b2 == %d\n", - joystick_nr, js_x, js_y, js_b1, js_b2); -#endif - - - - left = JoystickPosition(setup.input[player_nr].joy.xmiddle, - setup.input[player_nr].joy.xleft, js_x); - right = JoystickPosition(setup.input[player_nr].joy.xmiddle, - setup.input[player_nr].joy.xright, js_x); - up = JoystickPosition(setup.input[player_nr].joy.ymiddle, - setup.input[player_nr].joy.yupper, js_y); - down = JoystickPosition(setup.input[player_nr].joy.ymiddle, - setup.input[player_nr].joy.ylower, js_y); - - if (left > JOYSTICK_PERCENT) - result |= JOY_LEFT; - else if (right > JOYSTICK_PERCENT) - result |= JOY_RIGHT; - if (up > JOYSTICK_PERCENT) - result |= JOY_UP; - else if (down > JOYSTICK_PERCENT) - result |= JOY_DOWN; - - if (js_b1) - result |= JOY_BUTTON_1; - if (js_b2) - result |= JOY_BUTTON_2; - - - -#if 0 - printf("result == 0x%08x\n", result); -#endif - - - - return result; -} - -#else /* !TARGET_SDL */ - -void CheckJoystickData() -{ - int i; - int distance = 100; - - for(i=0; i= setup.input[i].joy.xmiddle) - setup.input[i].joy.xleft = setup.input[i].joy.xmiddle - distance; - if (setup.input[i].joy.xright <= setup.input[i].joy.xmiddle) - setup.input[i].joy.xright = setup.input[i].joy.xmiddle + distance; - - if (setup.input[i].joy.yupper >= setup.input[i].joy.ymiddle) - setup.input[i].joy.yupper = setup.input[i].joy.ymiddle - distance; - if (setup.input[i].joy.ylower <= setup.input[i].joy.ymiddle) - setup.input[i].joy.ylower = setup.input[i].joy.ymiddle + distance; - } -} - -#if defined(PLATFORM_UNIX) -int Joystick(int player_nr) -{ -#ifdef __FreeBSD__ - struct joystick joy_ctrl; -#else - struct joystick_control - { - int buttons; - int x; - int y; - } joy_ctrl; -#endif - - int joystick_fd = stored_player[player_nr].joystick_fd; - int js_x,js_y, js_b1,js_b2; - int left, right, up, down; - int result = 0; - - if (joystick_status == JOYSTICK_OFF) - return 0; - - if (game_status == SETUPINPUT) - return 0; - - if (joystick_fd < 0 || !setup.input[player_nr].use_joystick) - return 0; - - if (read(joystick_fd, &joy_ctrl, sizeof(joy_ctrl)) != sizeof(joy_ctrl)) - { - Error(ERR_WARN, "cannot read joystick device '%s'", - setup.input[player_nr].joy.device_name); - joystick_status = JOYSTICK_OFF; - return 0; - } - - js_x = joy_ctrl.x; - js_y = joy_ctrl.y; - -#ifdef __FreeBSD__ - js_b1 = joy_ctrl.b1; - js_b2 = joy_ctrl.b2; -#else - js_b1 = joy_ctrl.buttons & 1; - js_b2 = joy_ctrl.buttons & 2; -#endif - - left = JoystickPosition(setup.input[player_nr].joy.xmiddle, - setup.input[player_nr].joy.xleft, js_x); - right = JoystickPosition(setup.input[player_nr].joy.xmiddle, - setup.input[player_nr].joy.xright, js_x); - up = JoystickPosition(setup.input[player_nr].joy.ymiddle, - setup.input[player_nr].joy.yupper, js_y); - down = JoystickPosition(setup.input[player_nr].joy.ymiddle, - setup.input[player_nr].joy.ylower, js_y); - - if (left > JOYSTICK_PERCENT) - result |= JOY_LEFT; - else if (right > JOYSTICK_PERCENT) - result |= JOY_RIGHT; - if (up > JOYSTICK_PERCENT) - result |= JOY_UP; - else if (down > JOYSTICK_PERCENT) - result |= JOY_DOWN; - - if (js_b1) - result |= JOY_BUTTON_1; - if (js_b2) - result |= JOY_BUTTON_2; - - return result; -} - -#else /* PLATFORM_MSDOS */ - -/* allegro global variables for joystick control */ -extern int num_joysticks; -extern JOYSTICK_INFO joy[]; - -int Joystick(int player_nr) -{ - int joystick_nr = stored_player[player_nr].joystick_fd; - int result = 0; - - if (joystick_status == JOYSTICK_OFF) - return 0; - - if (game_status == SETUPINPUT) - return 0; - - if (joystick_nr < 0) - return 0; - - /* the allegro global variable 'num_joysticks' contains the number - of joysticks found at initialization under MS-DOS / Windows */ - -#if 0 - if (joystick_nr >= num_joysticks || !setup.input[player_nr].use_joystick) - return 0; -#else - -#if 1 - if (joystick_nr >= num_joysticks || - (game_status == PLAYING && !setup.input[player_nr].use_joystick)) - return 0; -#else - if (joystick_nr >= num_joysticks) - return 0; -#endif - -#endif - - poll_joystick(); - - if (joy[joystick_nr].stick[0].axis[0].d1) - result |= JOY_LEFT; - else if (joy[joystick_nr].stick[0].axis[0].d2) - result |= JOY_RIGHT; - if (joy[joystick_nr].stick[0].axis[1].d1) - result |= JOY_UP; - else if (joy[joystick_nr].stick[0].axis[1].d2) - result |= JOY_DOWN; - - if (joy[joystick_nr].button[0].b) - result |= JOY_BUTTON_1; - if (joy[joystick_nr].button[1].b) - result |= JOY_BUTTON_2; - - return result; -} -#endif /* PLATFORM_MSDOS */ - -#endif /* !TARGET_SDL */ - -int JoystickButton(int player_nr) -{ - static int last_joy_button[MAX_PLAYERS] = { 0, 0, 0, 0 }; - int joy_button = (Joystick(player_nr) & JOY_BUTTON); - int result; - - if (joy_button) - { - if (last_joy_button[player_nr]) - result = JOY_BUTTON_PRESSED; - else - result = JOY_BUTTON_NEW_PRESSED; - } - else - { - if (last_joy_button[player_nr]) - result = JOY_BUTTON_NEW_RELEASED; - else - result = JOY_BUTTON_NOT_PRESSED; - } - - last_joy_button[player_nr] = joy_button; - return result; -} - -int AnyJoystick() -{ - int i; - int result = 0; - - for (i=0; i