X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fjoystick.c;h=3982e0a1f74c05d219fc562981c712e43f33ef62;hp=86fabec7fa4fb753351e4fe6b41335a45461d4b1;hb=50c422d96b6da2c0412b6bd3763e9d1a029a6014;hpb=e557b2b5d9951a4e692fd4e32a5cf45c84252c64

diff --git a/src/joystick.c b/src/joystick.c
index 86fabec7..3982e0a1 100644
--- a/src/joystick.c
+++ b/src/joystick.c
@@ -23,45 +23,49 @@ void CheckJoystickData()
   int i;
   int distance = 100;
 
-  for(i=0;i<2;i++)
+  for(i=0; i<MAX_PLAYERS; i++)
   {
-    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;
+    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;
   }
 }
 
-int JoystickPosition(int middle, int margin, int actual)
+#ifndef 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
 
-int Joystick()
+#ifndef MSDOS
+int Joystick(int player_nr)
 {
 #ifdef __FreeBSD__
   struct joystick joy_ctrl;
@@ -74,23 +78,31 @@ int Joystick()
   } 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 (joystick_status == JOYSTICK_OFF)
+    return 0;
 
-#ifndef MSDOS
-  if (read(joystick_device, &joy_ctrl, sizeof(joy_ctrl)) != sizeof(joy_ctrl))
+  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_RETURN, "cannot read joystick settings - no joystick support");
+    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;
@@ -99,55 +111,157 @@ int Joystick()
   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 /* 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 ïnum_joysticksï contains the number
+     of joysticks found at initialization under MSDOS / 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 /* MSDOS */
 
-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;
 }