/***********************************************************
-* Rocks'n'Diamonds -- McDuffin Strikes Back! *
+* Rocks'n'Diamonds -- McDuffin Strikes Back! *
*----------------------------------------------------------*
-* ©1995 Artsoft Development *
-* Holger Schemel *
-* 33604 Bielefeld *
-* Telefon: (0521) 290471 *
-* eMail: aeglos@valinor.owl.de *
-* aeglos@uni-paderborn.de *
+* (c) 1995-2000 Artsoft Entertainment *
+* Holger Schemel *
+* Detmolder Strasse 189 *
+* 33604 Bielefeld *
+* Germany *
+* e-mail: info@artsoft.org *
*----------------------------------------------------------*
-* joystick.c *
+* joystick.c *
***********************************************************/
-#ifdef __FreeBSD__
+#if defined(PLATFORM_FREEBSD)
#include <machine/joystick.h>
#endif
+#include "libgame/libgame.h"
+
#include "joystick.h"
-/*
-#include "tools.h"
-#include "game.h"
-#include "events.h"
-#include "sound.h"
-#include "misc.h"
-#include "buttons.h"
-#include <math.h>
-*/
+#define TRANSLATE_JOYSYMBOL_TO_JOYNAME 0
+#define TRANSLATE_JOYNAME_TO_JOYSYMBOL 1
-void CheckJoystickData()
+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;
- int distance = 100;
- for(i=0;i<2;i++)
+ if (mode == TRANSLATE_JOYSYMBOL_TO_JOYNAME)
{
- if (joystick[i].xmiddle <= distance)
- joystick[i].xmiddle = distance;
- if (joystick[i].ymiddle <= distance)
- joystick[i].ymiddle = distance;
-
- if (joystick[i].xleft >= joystick[i].xmiddle)
- joystick[i].xleft = joystick[i].xmiddle-distance;
- if (joystick[i].xright <= joystick[i].xmiddle)
- joystick[i].xright = joystick[i].xmiddle+distance;
-
- if (joystick[i].yupper >= joystick[i].ymiddle)
- joystick[i].yupper = joystick[i].ymiddle-distance;
- if (joystick[i].ylower <= joystick[i].ymiddle)
- joystick[i].ylower = joystick[i].ymiddle+distance;
+ *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;
+ }
+ }
}
}
-int JoystickPosition(int middle, int margin, int actual)
+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);
+ 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);
- range = ABS(margin-middle);
- pos = ABS(actual-middle);
- percentage = (int)(pos*100/range);
- if (percentage>100)
+ if (percentage > 100)
percentage = 100;
- return(percentage);
+ 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} };
-int Joystick()
+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<MAX_PLAYERS; i++)
+ {
+ if (setup.input[i].joy.xmiddle <= distance)
+ setup.input[i].joy.xmiddle = distance;
+ if (setup.input[i].joy.ymiddle <= distance)
+ setup.input[i].joy.ymiddle = distance;
+
+ if (setup.input[i].joy.xleft >= 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;
} 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;
+ int result = 0;
+
+ if (joystick_status == JOYSTICK_OFF)
+ return 0;
+
+ if (game_status == SETUPINPUT)
+ return 0;
- if (joystick_status==JOYSTICK_OFF)
- return(0);
+ if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
+ return 0;
- if (read(joystick_device, &joy_ctrl, sizeof(joy_ctrl)) != sizeof(joy_ctrl))
+ if (read(joystick_fd, &joy_ctrl, sizeof(joy_ctrl)) != sizeof(joy_ctrl))
{
- fprintf(stderr,"%s: cannot read joystick settings - no joystick support\n",
- progname);
+ Error(ERR_WARN, "cannot read joystick device '%s'",
+ setup.input[player_nr].joy.device_name);
joystick_status = JOYSTICK_OFF;
- return(0);
+ return 0;
}
js_x = joy_ctrl.x;
js_y = joy_ctrl.y;
+
#ifdef __FreeBSD__
js_b1 = joy_ctrl.b1;
js_b2 = joy_ctrl.b2;
js_b2 = joy_ctrl.buttons & 2;
#endif
- left = JoystickPosition(joystick[joystick_nr].xmiddle,
- joystick[joystick_nr].xleft, js_x);
- right = JoystickPosition(joystick[joystick_nr].xmiddle,
- joystick[joystick_nr].xright, js_x);
- up = JoystickPosition(joystick[joystick_nr].ymiddle,
- joystick[joystick_nr].yupper, js_y);
- down = JoystickPosition(joystick[joystick_nr].ymiddle,
- joystick[joystick_nr].ylower, js_y);
+ 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)
+ if (left > JOYSTICK_PERCENT)
result |= JOY_LEFT;
- else if (right>JOYSTICK_PERCENT)
+ else if (right > JOYSTICK_PERCENT)
result |= JOY_RIGHT;
- if (up>JOYSTICK_PERCENT)
+ if (up > JOYSTICK_PERCENT)
result |= JOY_UP;
- else if (down>JOYSTICK_PERCENT)
+ else if (down > JOYSTICK_PERCENT)
result |= JOY_DOWN;
+
if (js_b1)
result |= JOY_BUTTON_1;
if (js_b2)
result |= JOY_BUTTON_2;
- return(result);
+ 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 JoystickButton(int player_nr)
{
- static int last_joy_button = 0;
- int joy_button = (Joystick() & JOY_BUTTON);
+ 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;
- return(result);
+ last_joy_button[player_nr] = joy_button;
+ return result;
+}
+
+int AnyJoystick()
+{
+ int i;
+ int result = 0;
+
+ for (i=0; i<MAX_PLAYERS; i++)
+ {
+
+ /*
+ if (!setup.input[i].use_joystick)
+ continue;
+ */
+
+
+ result |= Joystick(i);
+ }
+
+ return result;
+}
+
+int AnyJoystickButton()
+{
+ int i;
+ 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