#include "joystick.h"
#include "misc.h"
+#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;
}
}
-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;
-}
-
+#if defined(PLATFORM_UNIX)
int Joystick(int player_nr)
{
#ifdef __FreeBSD__
if (joystick_status == JOYSTICK_OFF)
return 0;
- if (!setup.input[player_nr].use_joystick || joystick_fd < 0)
+ if (game_status == SETUPINPUT)
+ return 0;
+
+ if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
return 0;
-#ifndef MSDOS
if (read(joystick_fd, &joy_ctrl, sizeof(joy_ctrl)) != sizeof(joy_ctrl))
{
Error(ERR_WARN, "cannot read joystick device '%s'",
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
- return 0;
+ 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 = 0;
+ 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)
+ if (last_joy_button[player_nr])
result = JOY_BUTTON_PRESSED;
else
result = JOY_BUTTON_NEW_PRESSED;
}
else
{
- if (last_joy_button)
+ if (last_joy_button[player_nr])
result = JOY_BUTTON_NEW_RELEASED;
else
result = JOY_BUTTON_NOT_PRESSED;
}
- last_joy_button = joy_button;
+ last_joy_button[player_nr] = joy_button;
return result;
}
for (i=0; i<MAX_PLAYERS; i++)
{
+
+ /*
if (!setup.input[i].use_joystick)
continue;
+ */
+
result |= Joystick(i);
}
int AnyJoystickButton()
{
int i;
- int result = 0;
+ int result;
for (i=0; i<MAX_PLAYERS; i++)
{
+
+ /*
if (!setup.input[i].use_joystick)
continue;
+ */
+ /*
result |= JoystickButton(i);
+ */
+
+ result = JoystickButton(i);
+ if (result != JOY_BUTTON_NOT_PRESSED)
+ break;
}
return result;
projects / rocksndiamonds.git / blobdiff