major cleanup of preprocessor hell
[rocksndiamonds.git] / src / events.c
index d1880faee1297faa523d874dd3fda6c4b9ed28f4..14e7df862d68b129d81effc376322c081cf9aad4 100644 (file)
@@ -1,15 +1,13 @@
-/***********************************************************
-* Rocks'n'Diamonds -- McDuffin Strikes Back!               *
-*----------------------------------------------------------*
-* (c) 1995-2006 Artsoft Entertainment                      *
-*               Holger Schemel                             *
-*               Detmolder Strasse 189                      *
-*               33604 Bielefeld                            *
-*               Germany                                    *
-*               e-mail: info@artsoft.org                   *
-*----------------------------------------------------------*
-* events.c                                                 *
-***********************************************************/
+// ============================================================================
+// Rocks'n'Diamonds - McDuffin Strikes Back!
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+//                         Holger Schemel
+//                 info@artsoft.org
+//                 http://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// events.c
+// ============================================================================
 
 #include "libgame/libgame.h"
 
@@ -162,18 +160,33 @@ void EventLoop(void)
            break;
 
 #if defined(TARGET_SDL2)
+         case SDL_WINDOWEVENT:
+           HandleWindowEvent((WindowEvent *) &event);
+           break;
+
          case EVENT_FINGERPRESS:
          case EVENT_FINGERRELEASE:
          case EVENT_FINGERMOTION:
            HandleFingerEvent((FingerEvent *) &event);
            break;
+
+         case EVENT_TEXTINPUT:
+           HandleTextEvent((TextEvent *) &event);
+           break;
+
+         case SDL_APP_WILLENTERBACKGROUND:
+         case SDL_APP_DIDENTERBACKGROUND:
+         case SDL_APP_WILLENTERFOREGROUND:
+         case SDL_APP_DIDENTERFOREGROUND:
+           HandlePauseResumeEvent((PauseResumeEvent *) &event);
+           break;
 #endif
 
          case EVENT_KEYPRESS:
          case EVENT_KEYRELEASE:
            HandleKeyEvent((KeyEvent *) &event);
            break;
-  
+
          default:
            HandleOtherEvents(&event);
            break;
@@ -197,10 +210,11 @@ void EventLoop(void)
        SetMouseCursor(CURSOR_DEFAULT);
        playfield_cursor_set = FALSE;
       }
-
-      HandleNoEvent();
     }
 
+    /* also execute after pending events have been processed before */
+    HandleNoEvent();
+
     /* don't use all CPU time when idle; the main loop while playing
        has its own synchronization and is CPU friendly, too */
 
@@ -211,6 +225,7 @@ void EventLoop(void)
     else
     {
       SyncDisplay();
+
       if (!PendingEvent())     /* delay only if no pending events */
        Delay(10);
     }
@@ -280,11 +295,7 @@ void ClearEventQueue()
        break;
 
       case EVENT_KEYRELEASE:
-#if 1
        ClearPlayerAction();
-#else
-       key_joystick_mapping = 0;
-#endif
        break;
 
       default:
@@ -349,17 +360,15 @@ void SleepWhileUnmapped()
 
 void HandleExposeEvent(ExposeEvent *event)
 {
-#if !defined(TARGET_SDL)
-  RedrawPlayfield(FALSE, event->x, event->y, event->width, event->height);
-  FlushDisplay();
-#endif
 }
 
 void HandleButtonEvent(ButtonEvent *event)
 {
 #if DEBUG_EVENTS
-  printf("::: BUTTON EVENT: button %d %s\n", event->button,
-        event->type == EVENT_BUTTONPRESS ? "pressed" : "released");
+  Error(ERR_DEBUG, "BUTTON EVENT: button %d %s, x/y %d/%d\n",
+       event->button,
+       event->type == EVENT_BUTTONPRESS ? "pressed" : "released",
+       event->x, event->y);
 #endif
 
   motion_status = FALSE;
@@ -382,83 +391,458 @@ void HandleMotionEvent(MotionEvent *event)
 
   motion_status = TRUE;
 
+#if DEBUG_EVENTS
+  Error(ERR_DEBUG, "MOTION EVENT: button %d moved, x/y %d/%d\n",
+       button_status, event->x, event->y);
+#endif
+
   HandleButton(event->x, event->y, button_status, button_status);
 }
 
 #if defined(TARGET_SDL2)
+
+void HandleWindowEvent(WindowEvent *event)
+{
+#if DEBUG_EVENTS
+  int subtype = event->event;
+
+  char *event_name =
+    (subtype == SDL_WINDOWEVENT_SHOWN ? "SDL_WINDOWEVENT_SHOWN" :
+     subtype == SDL_WINDOWEVENT_HIDDEN ? "SDL_WINDOWEVENT_HIDDEN" :
+     subtype == SDL_WINDOWEVENT_EXPOSED ? "SDL_WINDOWEVENT_EXPOSED" :
+     subtype == SDL_WINDOWEVENT_MOVED ? "SDL_WINDOWEVENT_MOVED" :
+     subtype == SDL_WINDOWEVENT_SIZE_CHANGED ? "SDL_WINDOWEVENT_SIZE_CHANGED" :
+     subtype == SDL_WINDOWEVENT_RESIZED ? "SDL_WINDOWEVENT_RESIZED" :
+     subtype == SDL_WINDOWEVENT_MINIMIZED ? "SDL_WINDOWEVENT_MINIMIZED" :
+     subtype == SDL_WINDOWEVENT_MAXIMIZED ? "SDL_WINDOWEVENT_MAXIMIZED" :
+     subtype == SDL_WINDOWEVENT_RESTORED ? "SDL_WINDOWEVENT_RESTORED" :
+     subtype == SDL_WINDOWEVENT_ENTER ? "SDL_WINDOWEVENT_ENTER" :
+     subtype == SDL_WINDOWEVENT_LEAVE ? "SDL_WINDOWEVENT_LEAVE" :
+     subtype == SDL_WINDOWEVENT_FOCUS_GAINED ? "SDL_WINDOWEVENT_FOCUS_GAINED" :
+     subtype == SDL_WINDOWEVENT_FOCUS_LOST ? "SDL_WINDOWEVENT_FOCUS_LOST" :
+     subtype == SDL_WINDOWEVENT_CLOSE ? "SDL_WINDOWEVENT_CLOSE" :
+     "(UNKNOWN)");
+
+  Error(ERR_DEBUG, "WINDOW EVENT: '%s', %ld, %ld",
+       event_name, event->data1, event->data2);
+#endif
+
+  if (event->event == SDL_WINDOWEVENT_SIZE_CHANGED ||
+      event->event == SDL_WINDOWEVENT_RESIZED ||
+      event->event == SDL_WINDOWEVENT_EXPOSED)
+    SDLRedrawWindow();
+
+  if (event->event == SDL_WINDOWEVENT_RESIZED && !video.fullscreen_enabled)
+  {
+    int new_window_width  = event->data1;
+    int new_window_height = event->data2;
+
+    // if window size has changed after resizing, calculate new scaling factor
+    if (new_window_width  != video.window_width ||
+       new_window_height != video.window_height)
+    {
+      int new_xpercent = (100 * new_window_width  / video.width);
+      int new_ypercent = (100 * new_window_height / video.height);
+
+      setup.window_scaling_percent = video.window_scaling_percent =
+       MIN(MAX(MIN_WINDOW_SCALING_PERCENT, MIN(new_xpercent, new_ypercent)),
+           MAX_WINDOW_SCALING_PERCENT);
+
+      video.window_width  = new_window_width;
+      video.window_height = new_window_height;
+
+      if (game_status == GAME_MODE_SETUP)
+       RedrawSetupScreenAfterFullscreenToggle();
+
+      SetWindowTitle();
+    }
+  }
+}
+
+#define NUM_TOUCH_FINGERS              3
+
+static struct
+{
+  boolean touched;
+  SDL_FingerID finger_id;
+  int counter;
+  Key key;
+} touch_info[NUM_TOUCH_FINGERS];
+
 void HandleFingerEvent(FingerEvent *event)
 {
-  static int num_events = 0;
-  int max_events = 10;
+  static Key motion_key_x = KSYM_UNDEFINED;
+  static Key motion_key_y = KSYM_UNDEFINED;
+  static Key button_key = KSYM_UNDEFINED;
+  static float motion_x1, motion_y1;
+  static float button_x1, button_y1;
+  static SDL_FingerID motion_id = -1;
+  static SDL_FingerID button_id = -1;
+  int move_trigger_distance_percent = 2;   // percent of touchpad width/height
+  int drop_trigger_distance_percent = 5;   // percent of touchpad width/height
+  float move_trigger_distance = (float)move_trigger_distance_percent / 100;
+  float drop_trigger_distance = (float)drop_trigger_distance_percent / 100;
+  float event_x = event->x;
+  float event_y = event->y;
 
-  // #if DEBUG_EVENTS
+#if DEBUG_EVENTS
   Error(ERR_DEBUG, "FINGER EVENT: finger was %s, touch ID %lld, finger ID %lld, x/y %f/%f, dx/dy %f/%f, pressure %f",
-       (event->type == EVENT_FINGERPRESS ? "pressed" :
-        event->type == EVENT_FINGERRELEASE ? "released" : "moved"),
+       event->type == EVENT_FINGERPRESS ? "pressed" :
+       event->type == EVENT_FINGERRELEASE ? "released" : "moved",
        event->touchId,
        event->fingerId,
        event->x, event->y,
        event->dx, event->dy,
        event->pressure);
-  // #endif
+#endif
 
-  int x = (int)(event->x * video.width);
-  int y = (int)(event->y * video.height);
-  int button = MB_LEFTBUTTON;
+  if (game_status != GAME_MODE_PLAYING)
+    return;
 
-  Error(ERR_DEBUG, "=> screen x/y %d/%d", x, y);
+  if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
+  {
+    int key_status = (event->type == EVENT_FINGERRELEASE ? KEY_RELEASED :
+                     KEY_PRESSED);
+    Key key = (event->x < 1.0 / 3.0 ?
+              (event->y < 1.0 / 2.0 ? setup.input[0].key.snap :
+               setup.input[0].key.drop) :
+              event->x > 2.0 / 3.0 ?
+              (event->y < 1.0 / 3.0 ? setup.input[0].key.up :
+               event->y > 2.0 / 3.0 ? setup.input[0].key.down :
+               event->x < 5.0 / 6.0 ? setup.input[0].key.left :
+               setup.input[0].key.right) :
+              KSYM_UNDEFINED);
+    char *key_status_name = (key_status == KEY_RELEASED ? "KEY_RELEASED" :
+                            "KEY_PRESSED");
+    int i;
+
+    Error(ERR_DEBUG, "::: key '%s' was '%s' [fingerId: %lld]",
+         getKeyNameFromKey(key), key_status_name, event->fingerId);
+
+    // check if we already know this touch event's finger id
+    for (i = 0; i < NUM_TOUCH_FINGERS; i++)
+    {
+      if (touch_info[i].touched &&
+         touch_info[i].finger_id == event->fingerId)
+      {
+       // Error(ERR_DEBUG, "MARK 1: %d", i);
 
-#if 0
-  if (++num_events >= max_events)
-    CloseAllAndExit(0);
-#endif
+       break;
+      }
+    }
+
+    if (i >= NUM_TOUCH_FINGERS)
+    {
+      if (key_status == KEY_PRESSED)
+      {
+       int oldest_pos = 0, oldest_counter = touch_info[0].counter;
+
+       // unknown finger id -- get new, empty slot, if available
+       for (i = 0; i < NUM_TOUCH_FINGERS; i++)
+       {
+         if (touch_info[i].counter < oldest_counter)
+         {
+           oldest_pos = i;
+           oldest_counter = touch_info[i].counter;
+
+           // Error(ERR_DEBUG, "MARK 2: %d", i);
+         }
+
+         if (!touch_info[i].touched)
+         {
+           // Error(ERR_DEBUG, "MARK 3: %d", i);
+
+           break;
+         }
+       }
+
+       if (i >= NUM_TOUCH_FINGERS)
+       {
+         // all slots allocated -- use oldest slot
+         i = oldest_pos;
+
+         // Error(ERR_DEBUG, "MARK 4: %d", i);
+       }
+      }
+      else
+      {
+       // release of previously unknown key (should not happen)
+
+       if (key != KSYM_UNDEFINED)
+       {
+         HandleKey(key, KEY_RELEASED);
+
+         Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [1]",
+               getKeyNameFromKey(key), "KEY_RELEASED", i);
+       }
+      }
+    }
+
+    if (i < NUM_TOUCH_FINGERS)
+    {
+      if (key_status == KEY_PRESSED)
+      {
+       if (touch_info[i].key != key)
+       {
+         if (touch_info[i].key != KSYM_UNDEFINED)
+         {
+           HandleKey(touch_info[i].key, KEY_RELEASED);
+
+           Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [2]",
+                 getKeyNameFromKey(touch_info[i].key), "KEY_RELEASED", i);
+         }
+
+         if (key != KSYM_UNDEFINED)
+         {
+           HandleKey(key, KEY_PRESSED);
+
+           Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [3]",
+                 getKeyNameFromKey(key), "KEY_PRESSED", i);
+         }
+       }
+
+       touch_info[i].touched = TRUE;
+       touch_info[i].finger_id = event->fingerId;
+       touch_info[i].counter = Counter();
+       touch_info[i].key = key;
+      }
+      else
+      {
+       if (touch_info[i].key != KSYM_UNDEFINED)
+       {
+         HandleKey(touch_info[i].key, KEY_RELEASED);
+
+         Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [4]",
+               getKeyNameFromKey(touch_info[i].key), "KEY_RELEASED", i);
+       }
+
+       touch_info[i].touched = FALSE;
+       touch_info[i].finger_id = 0;
+       touch_info[i].counter = 0;
+       touch_info[i].key = 0;
+      }
+    }
+
+    return;
+  }
+
+  // use touch direction control
 
-#if 1
   if (event->type == EVENT_FINGERPRESS)
-    button_status = button;
-  else
-    button_status = MB_RELEASED;
+  {
+    if (event_x > 1.0 / 3.0)
+    {
+      // motion area
+
+      motion_id = event->fingerId;
+
+      motion_x1 = event_x;
+      motion_y1 = event_y;
 
-  int max_x = SX + SXSIZE;
-  int max_y = SY + SYSIZE;
+      motion_key_x = KSYM_UNDEFINED;
+      motion_key_y = KSYM_UNDEFINED;
 
-  if (game_status == GAME_MODE_PLAYING &&
-      x < max_x)
+      Error(ERR_DEBUG, "---------- MOVE STARTED (WAIT) ----------");
+    }
+    else
+    {
+      // button area
+
+      button_id = event->fingerId;
+
+      button_x1 = event_x;
+      button_y1 = event_y;
+
+      button_key = setup.input[0].key.snap;
+
+      HandleKey(button_key, KEY_PRESSED);
+
+      Error(ERR_DEBUG, "---------- SNAP STARTED ----------");
+    }
+  }
+  else if (event->type == EVENT_FINGERRELEASE)
   {
-    int key_status = (event->type == EVENT_FINGERRELEASE ? KEY_RELEASED :
-                     KEY_PRESSED);
-    Key key = (y <     max_y / 3 ? setup.input[0].key.up :
-              y > 2 * max_y / 3 ? setup.input[0].key.down :
-              x <     max_x / 3 ? setup.input[0].key.left :
-              x > 2 * max_x / 3 ? setup.input[0].key.right :
-              setup.input[0].key.drop);
+    if (event->fingerId == motion_id)
+    {
+      motion_id = -1;
 
-    Error(ERR_DEBUG, "=> key == %d, key_status == %d", key, key_status);
+      if (motion_key_x != KSYM_UNDEFINED)
+       HandleKey(motion_key_x, KEY_RELEASED);
+      if (motion_key_y != KSYM_UNDEFINED)
+       HandleKey(motion_key_y, KEY_RELEASED);
 
-    HandleKey(key, key_status);
+      motion_key_x = KSYM_UNDEFINED;
+      motion_key_y = KSYM_UNDEFINED;
+
+      Error(ERR_DEBUG, "---------- MOVE STOPPED ----------");
+    }
+    else if (event->fingerId == button_id)
+    {
+      button_id = -1;
+
+      if (button_key != KSYM_UNDEFINED)
+       HandleKey(button_key, KEY_RELEASED);
+
+      button_key = KSYM_UNDEFINED;
+
+      Error(ERR_DEBUG, "---------- SNAP STOPPED ----------");
+    }
   }
-  else
+  else if (event->type == EVENT_FINGERMOTION)
   {
-    HandleButton(x, y, button_status, button);
+    if (event->fingerId == motion_id)
+    {
+      float distance_x = ABS(event_x - motion_x1);
+      float distance_y = ABS(event_y - motion_y1);
+      Key new_motion_key_x = (event_x < motion_x1 ? setup.input[0].key.left :
+                             event_x > motion_x1 ? setup.input[0].key.right :
+                             KSYM_UNDEFINED);
+      Key new_motion_key_y = (event_y < motion_y1 ? setup.input[0].key.up :
+                             event_y > motion_y1 ? setup.input[0].key.down :
+                             KSYM_UNDEFINED);
+
+      if (distance_x < move_trigger_distance / 2 ||
+         distance_x < distance_y)
+       new_motion_key_x = KSYM_UNDEFINED;
+
+      if (distance_y < move_trigger_distance / 2 ||
+         distance_y < distance_x)
+       new_motion_key_y = KSYM_UNDEFINED;
+
+      if (distance_x > move_trigger_distance ||
+         distance_y > move_trigger_distance)
+      {
+       if (new_motion_key_x != motion_key_x)
+       {
+         if (motion_key_x != KSYM_UNDEFINED)
+           HandleKey(motion_key_x, KEY_RELEASED);
+         if (new_motion_key_x != KSYM_UNDEFINED)
+           HandleKey(new_motion_key_x, KEY_PRESSED);
+       }
+
+       if (new_motion_key_y != motion_key_y)
+       {
+         if (motion_key_y != KSYM_UNDEFINED)
+           HandleKey(motion_key_y, KEY_RELEASED);
+         if (new_motion_key_y != KSYM_UNDEFINED)
+           HandleKey(new_motion_key_y, KEY_PRESSED);
+       }
+
+       motion_x1 = event_x;
+       motion_y1 = event_y;
+
+       motion_key_x = new_motion_key_x;
+       motion_key_y = new_motion_key_y;
+
+       Error(ERR_DEBUG, "---------- MOVE STARTED (MOVE) ----------");
+      }
+    }
+    else if (event->fingerId == button_id)
+    {
+      float distance_x = ABS(event_x - button_x1);
+      float distance_y = ABS(event_y - button_y1);
+
+      if (distance_x < drop_trigger_distance / 2 &&
+         distance_y > drop_trigger_distance)
+      {
+       if (button_key == setup.input[0].key.snap)
+         HandleKey(button_key, KEY_RELEASED);
+
+       button_x1 = event_x;
+       button_y1 = event_y;
+
+       button_key = setup.input[0].key.drop;
+
+       HandleKey(button_key, KEY_PRESSED);
+
+       Error(ERR_DEBUG, "---------- DROP STARTED ----------");
+      }
+    }
   }
+}
+
+static boolean checkTextInputKeyModState()
+{
+  // when playing, only handle raw key events and ignore text input
+  if (game_status == GAME_MODE_PLAYING)
+    return FALSE;
+
+  return ((GetKeyModState() & KMOD_TextInput) != KMOD_None);
+}
+
+void HandleTextEvent(TextEvent *event)
+{
+  char *text = event->text;
+  Key key = getKeyFromKeyName(text);
+
+#if DEBUG_EVENTS
+  Error(ERR_DEBUG, "TEXT EVENT: text == '%s' [%d byte(s), '%c'/%d], resulting key == %d (%s) [%04x]",
+       text,
+       strlen(text),
+       text[0], (int)(text[0]),
+       key,
+       getKeyNameFromKey(key),
+       GetKeyModState());
 #endif
+
+  // if (game_status != GAME_MODE_PLAYING && GetKeyModState() != KMOD_None)
+  /*
+  if (game_status != GAME_MODE_PLAYING &&
+      (GetKeyModState() & KMOD_TextInput) != KMOD_None)
+  */
+  if (checkTextInputKeyModState())
+  {
+    HandleKey(key, KEY_PRESSED);
+    HandleKey(key, KEY_RELEASED);
+  }
 }
+
+void HandlePauseResumeEvent(PauseResumeEvent *event)
+{
+  if (event->type == SDL_APP_WILLENTERBACKGROUND)
+  {
+    Mix_PauseMusic();
+  }
+  else if (event->type == SDL_APP_DIDENTERFOREGROUND)
+  {
+    Mix_ResumeMusic();
+  }
+}
+
 #endif
 
 void HandleKeyEvent(KeyEvent *event)
 {
-  int key_status = (event->type==EVENT_KEYPRESS ? KEY_PRESSED : KEY_RELEASED);
+  int key_status = (event->type == EVENT_KEYPRESS ? KEY_PRESSED : KEY_RELEASED);
   boolean with_modifiers = (game_status == GAME_MODE_PLAYING ? FALSE : TRUE);
   Key key = GetEventKey(event, with_modifiers);
   Key keymod = (with_modifiers ? GetEventKey(event, FALSE) : key);
 
 #if DEBUG_EVENTS
-  printf("::: KEY EVENT: %d %s\n", GetEventKey(event, TRUE),
-        event->type == EVENT_KEYPRESS ? "pressed" : "released");
+  Error(ERR_DEBUG, "KEY EVENT: key was %s, keysym.scancode == %d, keysym.sym == %d, keymod = %d, GetKeyModState() = 0x%04x, resulting key == %d (%s)",
+       event->type == EVENT_KEYPRESS ? "pressed" : "released",
+       event->keysym.scancode,
+       event->keysym.sym,
+       keymod,
+       GetKeyModState(),
+       key,
+       getKeyNameFromKey(key));
+#endif
+
+#if defined(PLATFORM_ANDROID)
+  // always map the "back" button to the "escape" key on Android devices
+  if (key == KSYM_Back)
+    key = KSYM_Escape;
 #endif
 
   HandleKeyModState(keymod, key_status);
+
+#if defined(TARGET_SDL2)
+  if (!checkTextInputKeyModState())
+    HandleKey(key, key_status);
+#else
   HandleKey(key, key_status);
+#endif
 }
 
 void HandleFocusEvent(FocusChangeEvent *event)
@@ -531,11 +915,20 @@ void HandleButton(int mx, int my, int button, int button_nr)
     old_my = my;
   }
 
+#if defined(PLATFORM_ANDROID)
+  if (game_status != GAME_MODE_PLAYING &&
+      HandleGadgets(mx, my, button))
+  {
+    /* do not handle this button event anymore */
+    mx = my = -32;     /* force mouse event to be outside screen tiles */
+  }
+#else
   if (HandleGadgets(mx, my, button))
   {
     /* do not handle this button event anymore */
     mx = my = -32;     /* force mouse event to be outside screen tiles */
   }
+#endif
 
   /* do not use scroll wheel button events for anything other than gadgets */
   if (IS_WHEEL_BUTTON(button_nr))
@@ -581,8 +974,10 @@ void HandleButton(int mx, int my, int button, int button_nr)
 
     case GAME_MODE_PLAYING:
 #ifdef DEBUG
-      if (button == MB_PRESSED && !motion_status && IN_GFX_SCREEN(mx, my))
-       DumpTile(LEVELX((mx - SX) / TILEX), LEVELY((my - SY) / TILEY));
+      if (button == MB_PRESSED && !motion_status && IN_GFX_FIELD_PLAY(mx, my))
+       DumpTile(LEVELX((mx - SX) / TILESIZE_VAR),
+                LEVELY((my - SY) / TILESIZE_VAR));
+        // DumpTile(LEVELX((mx - SX) / TILEX), LEVELY((my - SY) / TILEY));
 #endif
       break;
 
@@ -626,7 +1021,7 @@ static void HandleKeysSpecial(Key key)
   cheat_input[cheat_input_len] = '\0';
 
 #if DEBUG_EVENTS
-  printf("::: '%s' [%d]\n", cheat_input, cheat_input_len);
+  Error(ERR_DEBUG, "SPECIAL KEY '%s' [%d]\n", cheat_input, cheat_input_len);
 #endif
 
   if (game_status == GAME_MODE_MAIN)
@@ -672,6 +1067,20 @@ static void HandleKeysSpecial(Key key)
     {
       DumpTape(&tape);
     }
+    else if (is_string_suffix(cheat_input, ":fix-tape") ||
+            is_string_suffix(cheat_input, ":ft"))
+    {
+      /* fix single-player tapes that contain player input for more than one
+        player (due to a bug in 3.3.1.2 and earlier versions), which results
+        in playing levels with more than one player in multi-player mode,
+        even though the tape was originally recorded in single-player mode */
+
+      /* remove player input actions for all players but the first one */
+      for (i = 1; i < MAX_PLAYERS; i++)
+       tape.player_participates[i] = FALSE;
+
+      tape.changed = TRUE;
+    }
     else if (is_string_suffix(cheat_input, ":save-native-level") ||
             is_string_suffix(cheat_input, ":snl"))
     {
@@ -789,15 +1198,11 @@ void HandleKey(Key key, int key_status)
          if (stored_player[pnr].action & KEY_BUTTON_DROP)
            element_dropped[pnr] = TRUE;
        }
-#if 1
        else if (key_status == KEY_PRESSED && key_action & KEY_BUTTON_DROP)
        {
          if (level.game_engine_type == GAME_ENGINE_TYPE_EM ||
              level.game_engine_type == GAME_ENGINE_TYPE_SP)
          {
-#if 0
-           printf("::: drop key pressed\n");
-#endif
 
            if (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
                getRedDiskReleaseFlag_SP() == 0)
@@ -806,7 +1211,6 @@ void HandleKey(Key key, int key_status)
            TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
          }
        }
-#endif
        else if (key_status == KEY_RELEASED && key_action & KEY_BUTTON)
        {
          if (key_action & KEY_BUTTON_SNAP)
@@ -825,7 +1229,6 @@ void HandleKey(Key key, int key_status)
            element_snapped[pnr] = FALSE;
          }
 
-#if 1
          if (key_action & KEY_BUTTON_DROP &&
              level.game_engine_type == GAME_ENGINE_TYPE_RND)
          {
@@ -844,7 +1247,6 @@ void HandleKey(Key key, int key_status)
 
            element_dropped[pnr] = FALSE;
          }
-#endif
        }
       }
       else if (tape.recording && tape.pausing)
@@ -878,12 +1280,41 @@ void HandleKey(Key key, int key_status)
   if (key_status == KEY_RELEASED)
     return;
 
-  if ((key == KSYM_Return || key == KSYM_KP_Enter) &&
-      (GetKeyModState() & KMOD_Alt) && video.fullscreen_available)
+  if ((key == KSYM_F11 ||
+       ((key == KSYM_Return ||
+        key == KSYM_KP_Enter) && (GetKeyModState() & KMOD_Alt))) &&
+      video.fullscreen_available)
   {
     setup.fullscreen = !setup.fullscreen;
 
-    ToggleFullscreenIfNeeded();
+    ToggleFullscreenOrChangeWindowScalingIfNeeded();
+
+    if (game_status == GAME_MODE_SETUP)
+      RedrawSetupScreenAfterFullscreenToggle();
+
+    return;
+  }
+
+  if ((key == KSYM_minus ||
+       key == KSYM_plus ||
+       key == KSYM_0) &&
+      ((GetKeyModState() & KMOD_Control) ||
+       (GetKeyModState() & KMOD_Alt)) &&
+      video.window_scaling_available &&
+      !video.fullscreen_enabled)
+  {
+    if (key == KSYM_0)
+      setup.window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
+    else
+      setup.window_scaling_percent +=
+       (key == KSYM_minus ? -1 : +1) * STEP_WINDOW_SCALING_PERCENT;
+
+    if (setup.window_scaling_percent < MIN_WINDOW_SCALING_PERCENT)
+      setup.window_scaling_percent = MIN_WINDOW_SCALING_PERCENT;
+    else if (setup.window_scaling_percent > MAX_WINDOW_SCALING_PERCENT)
+      setup.window_scaling_percent = MAX_WINDOW_SCALING_PERCENT;
+
+    ToggleFullscreenOrChangeWindowScalingIfNeeded();
 
     if (game_status == GAME_MODE_SETUP)
       RedrawSetupScreenAfterFullscreenToggle();
@@ -891,13 +1322,8 @@ void HandleKey(Key key, int key_status)
     return;
   }
 
-#if 0
-  if (game_status == GAME_MODE_PLAYING && local_player->LevelSolved_GameEnd &&
-      (key == KSYM_Return || key == setup.shortcut.toggle_pause))
-#else
   if (game_status == GAME_MODE_PLAYING && AllPlayersGone &&
       (key == KSYM_Return || key == setup.shortcut.toggle_pause))
-#endif
   {
     GameEnd();
 
@@ -1066,17 +1492,6 @@ void HandleKey(Key key, int key_status)
 
 #ifdef DEBUG
        case KSYM_0:
-#if 0
-       case KSYM_1:
-       case KSYM_2:
-       case KSYM_3:
-       case KSYM_4:
-       case KSYM_5:
-       case KSYM_6:
-       case KSYM_7:
-       case KSYM_8:
-       case KSYM_9:
-#endif
          if (key == KSYM_0)
          {
            if (GameFrameDelay == 500)
@@ -1103,6 +1518,7 @@ void HandleKey(Key key, int key_status)
          }
          break;
 
+#if 0
        case KSYM_s:
          if (!global.fps_slowdown)
          {
@@ -1122,26 +1538,7 @@ void HandleKey(Key key, int key_status)
            printf("fps slowdown disabled\n");
          }
          break;
-
-       case KSYM_f:
-         ScrollStepSize = TILEX / 8;
-         printf("ScrollStepSize == %d (1/8)\n", ScrollStepSize);
-         break;
-
-       case KSYM_g:
-         ScrollStepSize = TILEX / 4;
-         printf("ScrollStepSize == %d (1/4)\n", ScrollStepSize);
-         break;
-
-       case KSYM_h:
-         ScrollStepSize = TILEX / 2;
-         printf("ScrollStepSize == %d (1/2)\n", ScrollStepSize);
-         break;
-
-       case KSYM_l:
-         ScrollStepSize = TILEX;
-         printf("ScrollStepSize == %d (1/1)\n", ScrollStepSize);
-         break;
+#endif
 
        case KSYM_v:
          printf("::: currently using game engine version %d\n",
@@ -1171,8 +1568,10 @@ void HandleNoEvent()
   if (button_status && game_status != GAME_MODE_PLAYING)
   {
     HandleButton(0, 0, -button_status, button_status);
-
-    return;
+  }
+  else
+  {
+    HandleJoystick();
   }
 
 #if defined(NETWORK_AVALIABLE)
@@ -1180,7 +1579,28 @@ void HandleNoEvent()
     HandleNetworking();
 #endif
 
-  HandleJoystick();
+  switch (game_status)
+  {
+    case GAME_MODE_MAIN:
+      DrawPreviewLevelAnimation();
+      DoAnimation();
+      break;
+
+    case GAME_MODE_LEVELS:
+    case GAME_MODE_LEVELNR:
+    case GAME_MODE_SETUP:
+    case GAME_MODE_INFO:
+    case GAME_MODE_SCORES:
+      DoAnimation();
+      break;
+
+    case GAME_MODE_EDITOR:
+      HandleLevelEditorIdle();
+      break;
+
+    default:
+      break;
+  }
 }
 
 static int HandleJoystickForAllPlayers()
@@ -1257,19 +1677,11 @@ void HandleJoystick()
       HandleHallOfFame(0, 0, dx, dy, !newbutton);
       break;
 
-    case GAME_MODE_EDITOR:
-      HandleLevelEditorIdle();
-      break;
-
     case GAME_MODE_PLAYING:
       if (tape.playing || keyboard)
        newbutton = ((joy & JOY_BUTTON) != 0);
 
-#if 0
-      if (local_player->LevelSolved_GameEnd && newbutton)
-#else
-      if (AllPlayersGone && newbutton)
-#endif
+      if (newbutton && AllPlayersGone)
       {
        GameEnd();