moved game controller base mappings file to new 'conf' sub-directory

[rocksndiamonds.git] / src / libgame / sdl.c

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 5586628b40dabf1385a5ae09472828f079e5501b..3afecaf918c2e7bd991e3ec36e335cad334a65b3 100644 (file)
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -2601,9 +2601,24 @@ static int sdl_js_axis[MAX_PLAYERS][2];
 static int sdl_js_button[MAX_PLAYERS][2];
 static boolean sdl_is_controller[MAX_PLAYERS];
 
-static boolean SDLOpenJoystick(int nr)
+void SDLClearJoystickState()
 {
-  if (nr < 0 || nr > MAX_PLAYERS)
+  int i, j;
+
+  for (i = 0; i < MAX_PLAYERS; i++)
+  {
+    for (j = 0; j < 2; j++)
+    {
+      sdl_js_axis_raw[i][j] = -1;
+      sdl_js_axis[i][j] = 0;
+      sdl_js_button[i][j] = 0;
+    }
+  }
+}
+
+boolean SDLOpenJoystick(int nr)
+{
+  if (nr < 0 || nr >= MAX_PLAYERS)
     return FALSE;
 
 #if defined(TARGET_SDL2)
@@ -2629,9 +2644,9 @@ static boolean SDLOpenJoystick(int nr)
   return (sdl_joystick[nr] != NULL);
 }
 
-static void SDLCloseJoystick(int nr)
+void SDLCloseJoystick(int nr)
 {
-  if (nr < 0 || nr > MAX_PLAYERS)
+  if (nr < 0 || nr >= MAX_PLAYERS)
     return;
 
 #if 1
@@ -2648,18 +2663,11 @@ static void SDLCloseJoystick(int nr)
 #endif
 
   sdl_joystick[nr] = NULL;
-
-  sdl_js_axis_raw[nr][0] = -1;
-  sdl_js_axis_raw[nr][1] = -1;
-  sdl_js_axis[nr][0] = 0;
-  sdl_js_axis[nr][1] = 0;
-  sdl_js_button[nr][0] = 0;
-  sdl_js_button[nr][1] = 0;
 }
 
 boolean SDLCheckJoystickOpened(int nr)
 {
-  if (nr < 0 || nr > MAX_PLAYERS)
+  if (nr < 0 || nr >= MAX_PLAYERS)
     return FALSE;
 
 #if defined(TARGET_SDL2)
@@ -2680,6 +2688,9 @@ static void setJoystickAxis(int nr, int axis_id_raw, int axis_value)
   int axis_id = axis_id_raw % 2;
 #endif
 
+  if (nr < 0 || nr >= MAX_PLAYERS)
+    return;
+
   if (axis_id == -1)
     return;
 
@@ -2723,6 +2734,9 @@ static void setJoystickButton(int nr, int button_id_raw, int button_state)
   int button_id = button_id_raw % 2;
 #endif
 
+  if (nr < 0 || nr >= MAX_PLAYERS)
+    return;
+
   if (button_id == -1)
     return;
 
@@ -2734,6 +2748,22 @@ void HandleJoystickEvent(Event *event)
   switch(event->type)
   {
 #if defined(TARGET_SDL2)
+    case SDL_CONTROLLERDEVICEADDED:
+#if 1
+      Error(ERR_DEBUG, "SDL_CONTROLLERDEVICEADDED: device %d added",
+           event->cdevice.which);
+#endif
+      InitJoysticks();
+      break;
+
+    case SDL_CONTROLLERDEVICEREMOVED:
+#if 1
+      Error(ERR_DEBUG, "SDL_CONTROLLERDEVICEREMOVED: device %d removed",
+           event->cdevice.which);
+#endif
+      InitJoysticks();
+      break;
+
     case SDL_CONTROLLERAXISMOTION:
 #if 1
       Error(ERR_DEBUG, "SDL_CONTROLLERAXISMOTION: device %d, axis %d: %d",
@@ -2817,7 +2847,10 @@ void SDLInitJoysticks()
   static boolean sdl_joystick_subsystem_initialized = FALSE;
   boolean print_warning = !sdl_joystick_subsystem_initialized;
 #if defined(TARGET_SDL2)
-  char *mappings_file = "gamecontrollerdb.txt";
+  char *mappings_file_base = getPath2(options.conf_directory,
+                                     GAMECONTROLLER_BASENAME);
+  char *mappings_file_user = getPath2(getUserGameDataDir(),
+                                     GAMECONTROLLER_BASENAME);
   int num_mappings;
 #endif
   int i;
@@ -2839,15 +2872,25 @@ void SDLInitJoysticks()
     }
 
 #if defined(TARGET_SDL2)
-    num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file);
+    num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file_base);
+
+    if (num_mappings != -1)
+      Error(ERR_INFO, "%d game controller base mapping(s) added", num_mappings);
+    else
+      Error(ERR_WARN, "no game controller base mappings found");
+
+    num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file_user);
 
     if (num_mappings != -1)
-      Error(ERR_INFO, "%d game controller mapping(s) added", num_mappings);
+      Error(ERR_INFO, "%d game controller user mapping(s) added", num_mappings);
     else
-      Error(ERR_WARN, "no game controller mappings found");
+      Error(ERR_WARN, "no game controller user mappings found");
 
     Error(ERR_INFO, "%d joystick(s) found:", SDL_NumJoysticks());
 
+    checked_free(mappings_file_base);
+    checked_free(mappings_file_user);
+
     for (i = 0; i < SDL_NumJoysticks(); i++)
     {
       const char *name, *type;
@@ -2884,8 +2927,8 @@ void SDLInitJoysticks()
       joystick_nr = -1;
     }
 
-    /* misuse joystick file descriptor variable to store joystick number */
-    joystick.fd[i] = joystick_nr;
+    /* store configured joystick number for each player */
+    joystick.nr[i] = joystick_nr;
   }
 
   /* now open all connected joysticks (regardless if configured or not) */
@@ -2900,6 +2943,8 @@ void SDLInitJoysticks()
     else if (print_warning)
       Error(ERR_WARN, "cannot open joystick %d", i);
   }
+
+  SDLClearJoystickState();
 }
 
 boolean SDLReadJoystick(int nr, int *x, int *y, boolean *b1, boolean *b2)
@@ -2920,6 +2965,11 @@ boolean SDLReadJoystick(int nr, int *x, int *y, boolean *b1, boolean *b2)
   return TRUE;
 }
 
+
+/* ========================================================================= */
+/* touch input overlay functions                                             */
+/* ========================================================================= */
+
 #if defined(USE_TOUCH_INPUT_OVERLAY)
 static void DrawTouchInputOverlay()
 {
@@ -2931,11 +2981,12 @@ static void DrawTouchInputOverlay()
   static int alpha_step = 5;
   static int alpha_last = 0;
   static int alpha = 0;
+  boolean active = (overlay.enabled && overlay.active);
 
-  if (!overlay.active && deactivated)
+  if (!active && deactivated)
     return;
 
-  if (overlay.active)
+  if (active)
   {
     if (alpha < alpha_max)
       alpha = MIN(alpha + alpha_step, alpha_max);