X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fjoystick.c;h=4a1bc7d5074fcdcbdd0df41599eb72544802cc3e;hb=023dd1a5d064b6a2fbfb8145af8c61261ea53886;hp=06ac654162e43f38da9f24b483d8d9de64db2691;hpb=c9433eab5c4317ed4f89164b386a7d33562e29be;p=rocksndiamonds.git

diff --git a/src/libgame/joystick.c b/src/libgame/joystick.c
index 06ac6541..4a1bc7d5 100644
--- a/src/libgame/joystick.c
+++ b/src/libgame/joystick.c
@@ -1,15 +1,13 @@
-/***********************************************************
-* Artsoft Retro-Game Library                               *
-*----------------------------------------------------------*
-* (c) 1995-2002 Artsoft Entertainment                      *
-*               Holger Schemel                             *
-*               Detmolder Strasse 189                      *
-*               33604 Bielefeld                            *
-*               Germany                                    *
-*               e-mail: info@artsoft.org                   *
-*----------------------------------------------------------*
-* joystick.c                                               *
-***********************************************************/
+// ============================================================================
+// Artsoft Retro-Game Library
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+//     		    Holger Schemel
+//		    info@artsoft.org
+//		    https://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// joystick.c
+// ============================================================================
 
 #if defined(PLATFORM_FREEBSD)
 #include <machine/joystick.h>
@@ -19,91 +17,14 @@
 #include "misc.h"
 
 
-/* ========================================================================= */
-/* platform dependant joystick functions                                     */
-/* ========================================================================= */
-
-#if defined(PLATFORM_UNIX) && !defined(TARGET_SDL)
-void UnixInitJoysticks()
-{
-  int i;
-
-  for (i=0; i<MAX_PLAYERS; i++)
-  {
-    char *device_name = setup.input[i].joy.device_name;
-
-    /* this allows subsequent calls to 'InitJoysticks' for re-initialization */
-    if (joystick.fd[i] != -1)
-    {
-      close(joystick.fd[i]);
-      joystick.fd[i] = -1;
-    }
-
-    if (!setup.input[i].use_joystick)
-      continue;
-
-    if (access(device_name, R_OK) != 0)
-    {
-      Error(ERR_WARN, "cannot access joystick device '%s'", device_name);
-      continue;
-    }
-
-    if ((joystick.fd[i] = open(device_name, O_RDONLY)) < 0)
-    {
-      Error(ERR_WARN, "cannot open joystick device '%s'", device_name);
-      continue;
-    }
-
-    joystick.status = JOYSTICK_ACTIVATED;
-  }
-}
-
-boolean UnixReadJoystick(int fd, int *x, int *y, boolean *b1, boolean *b2)
-{
-#if defined(PLATFORM_FREEBSD)
-  struct joystick joy_ctrl;
-#else
-  struct joystick_control
-  {
-    int buttons;
-    int x;
-    int y;
-  } joy_ctrl;
-#endif
-
-  if (read(fd, &joy_ctrl, sizeof(joy_ctrl)) != sizeof(joy_ctrl))
-    return FALSE;
-
-  if (x != NULL)
-    *x = joy_ctrl.x;
-  if (y != NULL)
-    *y = joy_ctrl.y;
-
-#if defined(PLATFORM_FREEBSD)
-  if (b1 != NULL)
-    *b1 = joy_ctrl.b1;
-  if (b2 != NULL)
-    *b2 = joy_ctrl.b2;
-#else
-  if (b1 != NULL)
-    *b1 = joy_ctrl.buttons & 1;
-  if (b2 != NULL)
-    *b2 = joy_ctrl.buttons & 2;
-#endif
-
-  return TRUE;
-}
-#endif /* PLATFORM_UNIX && !TARGET_SDL */
-
-
-/* ========================================================================= */
-/* platform independant joystick functions                                   */
-/* ========================================================================= */
+// ============================================================================
+// platform independent joystick functions
+// ============================================================================
 
 #define TRANSLATE_JOYSYMBOL_TO_JOYNAME	0
 #define TRANSLATE_JOYNAME_TO_JOYSYMBOL	1
 
-void translate_joyname(int *joysymbol, char **name, int mode)
+static void translate_joyname(int *joysymbol, char **name, int mode)
 {
   static struct
   {
@@ -125,7 +46,7 @@ void translate_joyname(int *joysymbol, char **name, int mode)
   {
     *name = "[undefined]";
 
-    for (i=0; i<6; i++)
+    for (i = 0; i < 6; i++)
     {
       if (*joysymbol == translate_joy[i].joysymbol)
       {
@@ -138,9 +59,9 @@ void translate_joyname(int *joysymbol, char **name, int mode)
   {
     *joysymbol = 0;
 
-    for (i=0; i<6; i++)
+    for (i = 0; i < 6; i++)
     {
-      if (strcmp(*name, translate_joy[i].name) == 0)
+      if (strEqual(*name, translate_joy[i].name))
       {
 	*joysymbol = translate_joy[i].joysymbol;
 	break;
@@ -198,9 +119,42 @@ char *getDeviceNameFromJoystickNr(int joystick_nr)
 	  joystick_device_name[joystick_nr] : "");
 }
 
+char *getFormattedJoystickName(const char *name_raw)
+{
+  static char name[MAX_JOYSTICK_NAME_LEN + 1];
+  boolean name_skip_space = TRUE;
+  int i, j;
+
+  if (name_raw == NULL)
+    name_raw = "(unknown joystick)";
+
+  // copy joystick name, cutting leading and multiple spaces
+  for (i = 0, j = 0; i < strlen(name_raw) && i < MAX_JOYSTICK_NAME_LEN; i++)
+  {
+    if (name_raw[i] != ' ')
+    {
+      name[j++] = name_raw[i];
+      name_skip_space = FALSE;
+    }
+    else if (!name_skip_space)
+    {
+      name[j++] = name_raw[i];
+      name_skip_space = TRUE;
+    }
+  }
+
+  // cut trailing space
+  if (j > 0 && name[j - 1] == ' ')
+    j--;
+
+  name[j] = '\0';
+
+  return name;
+}
+
 static int JoystickPositionPercent(int center, int border, int actual)
 {
-  long range, position;
+  int range, position;
   int percent;
 
   if (border < center && actual > center)
@@ -219,12 +173,12 @@ static int JoystickPositionPercent(int center, int border, int actual)
   return percent;
 }
 
-void CheckJoystickData()
+void CheckJoystickData(void)
 {
   int i;
   int distance = 100;
 
-  for(i=0; i<MAX_PLAYERS; i++)
+  for (i = 0; i < MAX_PLAYERS; i++)
   {
     if (setup.input[i].joy.xleft >= setup.input[i].joy.xmiddle)
       setup.input[i].joy.xleft = setup.input[i].joy.xmiddle - distance;
@@ -238,26 +192,30 @@ void CheckJoystickData()
   }
 }
 
-int Joystick(int player_nr)
+int JoystickExt(int player_nr, boolean use_as_joystick_nr)
 {
-  int joystick_fd = joystick.fd[player_nr];
+  int joystick_nr = joystick.nr[player_nr];
   int js_x, js_y;
   boolean js_b1, js_b2;
   int left, right, up, down;
   int result = JOY_NO_ACTION;
 
+  if (use_as_joystick_nr)
+    joystick_nr = player_nr;
+
   if (joystick.status != JOYSTICK_ACTIVATED)
     return JOY_NO_ACTION;
 
-  if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
+  if (joystick_nr < 0)
     return JOY_NO_ACTION;
 
-  if (!ReadJoystick(joystick_fd, &js_x, &js_y, &js_b1, &js_b2))
+  if (!ReadJoystick(joystick_nr, &js_x, &js_y, &js_b1, &js_b2))
   {
-    Error(ERR_WARN, "cannot read joystick device '%s'",
-	  setup.input[player_nr].joy.device_name);
+    Warn("cannot read joystick device '%s'",
+	 setup.input[player_nr].joy.device_name);
 
     joystick.status = JOYSTICK_NOT_AVAILABLE;
+
     return JOY_NO_ACTION;
   }
 
@@ -287,10 +245,15 @@ int Joystick(int player_nr)
   return result;
 }
 
-int JoystickButton(int player_nr)
+int Joystick(int player_nr)
+{
+  return JoystickExt(player_nr, FALSE);
+}
+
+static int JoystickButtonExt(int player_nr, boolean use_as_joystick_nr)
 {
   static int last_joy_button[MAX_PLAYERS] = { 0, 0, 0, 0 };
-  int joy_button = (Joystick(player_nr) & JOY_BUTTON);
+  int joy_button = (JoystickExt(player_nr, use_as_joystick_nr) & JOY_BUTTON);
   int result;
 
   if (joy_button)
@@ -312,25 +275,30 @@ int JoystickButton(int player_nr)
   return result;
 }
 
-int AnyJoystick()
+int JoystickButton(int player_nr)
+{
+  return JoystickButtonExt(player_nr, FALSE);
+}
+
+int AnyJoystick(void)
 {
   int i;
   int result = 0;
 
-  for (i=0; i<MAX_PLAYERS; i++)
-    result |= Joystick(i);
+  for (i = 0; i < MAX_PLAYERS; i++)
+    result |= JoystickExt(i, TRUE);
 
   return result;
 }
 
-int AnyJoystickButton()
+int AnyJoystickButton(void)
 {
   int i;
   int result = JOY_BUTTON_NOT_PRESSED;
 
-  for (i=0; i<MAX_PLAYERS; i++)
+  for (i = 0; i < MAX_PLAYERS; i++)
   {
-    result = JoystickButton(i);
+    result = JoystickButtonExt(i, TRUE);
     if (result != JOY_BUTTON_NOT_PRESSED)
       break;
   }
@@ -338,7 +306,7 @@ int AnyJoystickButton()
   return result;
 }
 
-void DeactivateJoystick()
+void DeactivateJoystick(void)
 {
   /* Temporarily deactivate joystick. This is needed for calibration
      screens, where the player has to select a joystick device that
@@ -351,9 +319,9 @@ void DeactivateJoystick()
     joystick.status &= ~JOYSTICK_ACTIVE;
 }
 
-void ActivateJoystick()
+void ActivateJoystick(void)
 {
-  /* reactivate temporarily deactivated joystick */
+  // reactivate temporarily deactivated joystick
 
   if (joystick.status & JOYSTICK_AVAILABLE)
     joystick.status |= JOYSTICK_ACTIVE;