rnd-20060726-2-src
[rocksndiamonds.git] / src / screens.c
index fb264ac434a2f4a960fb50a032a90e48ff2d83b1..25b3bfd886dc3f83ef92f240d7658087d59cb59d 100644 (file)
 
 /* screens on the info screen */
 #define INFO_MODE_MAIN                 0
-#define INFO_MODE_ELEMENTS             1
-#define INFO_MODE_MUSIC                        2
-#define INFO_MODE_CREDITS              3
-#define INFO_MODE_PROGRAM              4
-#define INFO_MODE_LEVELSET             5
+#define INFO_MODE_TITLE                        1
+#define INFO_MODE_ELEMENTS             2
+#define INFO_MODE_MUSIC                        3
+#define INFO_MODE_CREDITS              4
+#define INFO_MODE_PROGRAM              5
+#define INFO_MODE_LEVELSET             6
 
-#define MAX_INFO_MODES                 6
+#define MAX_INFO_MODES                 7
 
 /* for various menu stuff  */
 #define MENU_SCREEN_START_XPOS         1
 #define MAX_MENU_TEXT_LENGTH_MEDIUM    (MAX_MENU_TEXT_LENGTH_BIG * 2)
 
 /* buttons and scrollbars identifiers */
-#define SCREEN_CTRL_ID_SCROLL_UP       0
-#define SCREEN_CTRL_ID_SCROLL_DOWN     1
-#define SCREEN_CTRL_ID_SCROLL_VERTICAL 2
+#define SCREEN_CTRL_ID_LAST_LEVEL      0
+#define SCREEN_CTRL_ID_NEXT_LEVEL      1
+#define SCREEN_CTRL_ID_LAST_PLAYER     2
+#define SCREEN_CTRL_ID_NEXT_PLAYER     3
+#define SCREEN_CTRL_ID_SCROLL_UP       4
+#define SCREEN_CTRL_ID_SCROLL_DOWN     5
+#define SCREEN_CTRL_ID_SCROLL_VERTICAL 6
 
+#define NUM_SCREEN_GADGETS             7
+
+#define NUM_SCREEN_MENUBUTTONS         4
 #define NUM_SCREEN_SCROLLBUTTONS       2
 #define NUM_SCREEN_SCROLLBARS          1
-#define NUM_SCREEN_GADGETS             3
+
+#define SCREEN_MASK_MAIN               (1 << 0)
+#define SCREEN_MASK_INPUT              (1 << 1)
 
 /* graphic position and size values for buttons and scrollbars */
+#define SC_MENUBUTTON_XSIZE            TILEX
+#define SC_MENUBUTTON_YSIZE            TILEY
+
 #define SC_SCROLLBUTTON_XSIZE          TILEX
 #define SC_SCROLLBUTTON_YSIZE          TILEY
 
@@ -115,15 +128,19 @@ static void DrawChooseLevel(void);
 static void DrawInfoScreen(void);
 static void DrawSetupScreen(void);
 
+static void DrawInfoScreenExt(int);
+static void DrawInfoScreen_NotAvailable(char *, char *);
 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 static void DrawInfoScreen_HelpText(int, int, int, int);
 static void HandleInfoScreen_Main(int, int, int, int, int);
+static void HandleInfoScreen_TitleScreen(int);
 static void HandleInfoScreen_Elements(int);
 static void HandleInfoScreen_Music(int);
 static void HandleInfoScreen_Credits(int);
 static void HandleInfoScreen_Program(int);
 
-static void MapChooseTreeGadgets(TreeInfo *);
+static void MapScreenMenuGadgets(int);
+static void MapScreenTreeGadgets(TreeInfo *);
 
 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 static int setup_mode = SETUP_MODE_MAIN;
@@ -265,12 +282,14 @@ void DrawTitleScreenImage(int nr)
 
   if (width > WIN_XSIZE)
   {
+    /* image width too large for window => center image horizontally */
     src_x = (width - WIN_XSIZE) / 2;
     width = WIN_XSIZE;
   }
 
   if (height > WIN_YSIZE)
   {
+    /* image height too large for window => center image vertically */
     src_y = (height - WIN_YSIZE) / 2;
     height = WIN_YSIZE;
   }
@@ -294,9 +313,6 @@ void DrawTitleScreen()
 
   SetMainBackgroundImage(IMG_BACKGROUND_TITLE);
 
-  PlayMenuSound();
-  PlayMenuMusic();
-
   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
 
   StopAnimation();
@@ -472,6 +488,8 @@ static void DrawMainMenuExt(int fade_delay)
     initCursor(i, (i == 1 || i == 4 || i == 6 ? IMG_MENU_BUTTON_ENTER_MENU :
                   IMG_MENU_BUTTON));
 
+#if 0
+
 #if 1
   drawCursorXY(getLastLevelButtonPos(), 1, IMG_MENU_BUTTON_LAST_LEVEL);
   drawCursorXY(getNextLevelButtonPos(), 1, IMG_MENU_BUTTON_NEXT_LEVEL);
@@ -483,12 +501,16 @@ static void DrawMainMenuExt(int fade_delay)
   drawCursorXY(level_width / 32 + 4, 1, IMG_MENU_BUTTON_LEFT);
   drawCursorXY(level_width / 32 + 8, 1, IMG_MENU_BUTTON_RIGHT);
 #endif
+#endif
+
 #endif
 
   DrawTextSCentered(326, FONT_TITLE_2, "A Game by Artsoft Entertainment");
 
 #if 0
   FadeToFront();
+#endif
+#if 0
   InitAnimation();
 #endif
 
@@ -502,6 +524,7 @@ static void DrawMainMenuExt(int fade_delay)
   PlayMenuSound();
   PlayMenuMusic();
 
+#if 0
 #if 1
   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 #else
@@ -510,22 +533,42 @@ static void DrawMainMenuExt(int fade_delay)
   else
     OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 #endif
+#endif
+
+#if 0
+  InitAnimation();
+#endif
 
 #if 1
+  /* create gadgets for main menu screen */
+  FreeScreenGadgets();
+  CreateScreenGadgets();
+
   /* map gadgets for main menu screen */
   MapTapeButtons();
+  MapScreenMenuGadgets(SCREEN_MASK_MAIN);
 #endif
 
+#if 1
 #if 1
   FadeIn(fade_delay);
+#else
+  BackToFront();
+#endif
+#endif
 
+#if 1
   InitAnimation();
 #endif
+
+#if 1
+  OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
+#endif
 }
 
 void DrawMainMenu()
 {
-  DrawMainMenuExt(FALSE);
+  DrawMainMenuExt(0);
 }
 
 #if 0
@@ -565,13 +608,37 @@ void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
   boolean return_to_main_menu = FALSE;
   boolean use_fading_main_menu = TRUE;
   boolean use_cross_fading = TRUE;
-  int fade_delay = 1000;
-  int post_delay = 500;
+  int fade_delay = 500;
+  int post_delay = fade_delay / 2;
 
   if (button == MB_MENU_INITIALIZE)
   {
+    int last_game_status = game_status;        /* save current game status */
     title_nr = 0;
 
+    if (game_status == GAME_MODE_INFO)
+    {
+      if (graphic_info[IMG_TITLESCREEN_1].bitmap == NULL)
+      {
+       DrawInfoScreen_NotAvailable("Title screen information:",
+                                   "No title screen for this level set.");
+
+       return;
+      }
+
+      FadeSoundsAndMusic();
+
+      FadeOut(fade_delay, post_delay);
+    }
+
+    /* force TITLE music on title info screen */
+    game_status = GAME_MODE_TITLE;
+
+    PlayMenuSound();
+    PlayMenuMusic();
+
+    game_status = last_game_status;    /* restore current game status */
+
     DrawTitleScreenImage(title_nr);
 
     FadeIn(fade_delay);
@@ -585,6 +652,15 @@ void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
   }
   else if (button == MB_MENU_CHOICE)
   {
+    if (game_status == GAME_MODE_INFO &&
+       graphic_info[IMG_TITLESCREEN_1].bitmap == NULL)
+    {
+      info_mode = INFO_MODE_MAIN;
+      DrawInfoScreen();
+
+      return;
+    }
+
     title_nr++;
 
     if (!use_cross_fading)
@@ -609,6 +685,8 @@ void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
     }
     else
     {
+      FadeSoundsAndMusic();
+
       FadeOut(fade_delay, post_delay);
 
       return_to_main_menu = TRUE;
@@ -617,20 +695,76 @@ void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
 
   if (return_to_main_menu)
   {
+    int menu_fade_delay = (use_fading_main_menu ? fade_delay : 0);
+
     RedrawBackground();
 
-#if 1
-    OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2 | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
-#endif
+    if (game_status == GAME_MODE_INFO)
+    {
+      OpenDoor(DOOR_CLOSE_1 | DOOR_CLOSE_2 | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
 
-    game_status = GAME_MODE_MAIN;
-    DrawMainMenuExt(use_fading_main_menu ? fade_delay : 0);
+      info_mode = INFO_MODE_MAIN;
+      DrawInfoScreenExt(menu_fade_delay);
+    }
+    else       /* default: return to main menu */
+    {
+      OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2 | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
+
+      game_status = GAME_MODE_MAIN;
+      DrawMainMenuExt(menu_fade_delay);
+    }
+  }
+}
+
+void HandleMainMenu_SelectLevel(int step, int direction)
+{
+  int old_level_nr = level_nr;
+  int new_level_nr;
+
+  new_level_nr = old_level_nr + step * direction;
+  if (new_level_nr < leveldir_current->first_level)
+    new_level_nr = leveldir_current->first_level;
+  if (new_level_nr > leveldir_current->last_level)
+    new_level_nr = leveldir_current->last_level;
+
+  if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
+  {
+    /* skipping levels is only allowed when trying to skip single level */
+    if (setup.skip_levels && step == 1 &&
+       Request("Level still unsolved ! Skip despite handicap ?", REQ_ASK))
+    {
+      leveldir_current->handicap_level++;
+      SaveLevelSetup_SeriesInfo();
+    }
+
+    new_level_nr = leveldir_current->handicap_level;
+  }
+
+  if (new_level_nr != old_level_nr)
+  {
+    level_nr = new_level_nr;
+
+    DrawText(mSX + 11 * 32, mSY + 3 * 32, int2str(level_nr, 3), FONT_VALUE_1);
+
+    LoadLevel(level_nr);
+    DrawMicroLevel(MICROLEVEL_XPOS, MICROLEVEL_YPOS, TRUE);
+
+    TapeErase();
+    LoadTape(level_nr);
+    DrawCompleteVideoDisplay();
+
+    /* needed because DrawMicroLevel() takes some time */
+    BackToFront();
+    SyncDisplay();
   }
 }
 
 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 {
+#if 0
   static unsigned long level_delay = 0;
+  static unsigned long level_delay_value = GADGET_FRAME_DELAY;
+#endif
   static int choice = 5;
   int x = 0;
   int y = choice;
@@ -659,9 +793,24 @@ void HandleMainMenu(int mx, int my, int dx, int dy, int button)
       y = choice + dy;
   }
 
+#if 0
+  /* start gadget delay with longer delay after first click on gadget */
+  if (button == 0)
+    pressed_delay_value = GADGET_FRAME_DELAY_FIRST;
+#endif
+
+#if 1
+
+  if (y == 1 && dx != 0 && button)
+  {
+    HandleMainMenu_SelectLevel(1, dx < 0 ? -1 : +1);
+  }
+
+#else
+
   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
                 (x == 14 && level_nr < leveldir_current->last_level)) &&
-      button && DelayReached(&level_delay, GADGET_FRAME_DELAY))
+      button && DelayReached(&level_delay, level_delay_value))
   {
     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
     int old_level_nr = level_nr;
@@ -703,9 +852,16 @@ void HandleMainMenu(int mx, int my, int dx, int dy, int button)
       /* needed because DrawMicroLevel() takes some time */
       BackToFront();
       SyncDisplay();
+
       DelayReached(&level_delay, 0);   /* reset delay counter */
+#if 0
+      pressed_delay_value = GADGET_FRAME_DELAY_FIRST;
+#endif
     }
   }
+
+#endif
+
   else if (IN_VIS_FIELD(x, y) &&
           y >= 0 && y <= 7 && (y != 1 || x < 10))
   {
@@ -796,6 +952,12 @@ void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 static struct TokenInfo *info_info;
 static int num_info_info;
 
+static void execInfoTitleScreen()
+{
+  info_mode = INFO_MODE_TITLE;
+  DrawInfoScreen();
+}
+
 static void execInfoElements()
 {
   info_mode = INFO_MODE_ELEMENTS;
@@ -834,6 +996,7 @@ static void execExitInfo()
 
 static struct TokenInfo info_info_main[] =
 {
+  { TYPE_ENTER_SCREEN, execInfoTitleScreen,    "Title Screen"          },
   { TYPE_ENTER_SCREEN, execInfoElements,       "Elements Info"         },
   { TYPE_ENTER_SCREEN, execInfoMusic,          "Music Info"            },
   { TYPE_ENTER_SCREEN, execInfoCredits,        "Credits"               },
@@ -845,7 +1008,7 @@ static struct TokenInfo info_info_main[] =
   { 0,                 NULL,                   NULL                    }
 };
 
-static void DrawInfoScreen_Main()
+static void DrawInfoScreen_Main(int fade_delay)
 {
   int i;
 
@@ -881,6 +1044,18 @@ static void DrawInfoScreen_Main()
     num_info_info++;
   }
 
+#if 1
+
+  HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
+
+  PlayMenuSound();
+  PlayMenuMusic();
+
+  FadeIn(fade_delay);
+  InitAnimation();
+
+#else
+
   FadeToFront();
   InitAnimation();
 
@@ -888,6 +1063,7 @@ static void DrawInfoScreen_Main()
   PlayMenuMusic();
 
   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
+#endif
 }
 
 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
@@ -973,6 +1149,24 @@ void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
   }
 }
 
+void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
+{
+  int ystart = 150;
+  int ybottom = SYSIZE - 20;
+
+  SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
+
+  ClearWindow();
+  DrawHeadline();
+
+  DrawTextSCentered(100, FONT_TEXT_1, text_title);
+
+  DrawTextSCentered(ybottom, FONT_TEXT_4,
+                   "Press any key or button for info menu");
+
+  DrawTextSCentered(ystart, FONT_TEXT_2, text_error);
+}
+
 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
 {
   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
@@ -1133,6 +1327,16 @@ void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
                  max_chars_per_line, max_lines_per_text);
 }
 
+void DrawInfoScreen_TitleScreen()
+{
+  DrawTitleScreen();
+}
+
+void HandleInfoScreen_TitleScreen(int button)
+{
+  HandleTitleScreen(0, 0, 0, 0, button);
+}
+
 void DrawInfoScreen_Elements()
 {
   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
@@ -1341,49 +1545,213 @@ void HandleInfoScreen_Music(int button)
     PlaySoundLoop(list->music);
 }
 
-void DrawInfoScreen_Credits()
+static boolean DrawInfoScreen_CreditsScreen(int screen_nr)
 {
   int ystart = 150, ystep = 30;
   int ybottom = SYSIZE - 20;
 
-  SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
-
-  FadeSoundsAndMusic();
-
   ClearWindow();
   DrawHeadline();
 
   DrawTextSCentered(100, FONT_TEXT_1, "Credits:");
-  DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2, "DOS port of the game:");
-  DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3, "Guido Schulz");
-  DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2, "Additional toons:");
-  DrawTextSCentered(ystart + 3 * ystep, FONT_TEXT_3, "Karl Hörnell");
-  DrawTextSCentered(ystart + 5 * ystep, FONT_TEXT_2,
-                   "...and many thanks to all contributors");
-  DrawTextSCentered(ystart + 6 * ystep, FONT_TEXT_2, "of new levels!");
+
+  if (screen_nr == 0)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "Special thanks to");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3,
+                     "Peter Liepa");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2,
+                     "for creating");
+    DrawTextSCentered(ystart + 3 * ystep, FONT_TEXT_3,
+                     "\"Boulder Dash\"");
+    DrawTextSCentered(ystart + 4 * ystep, FONT_TEXT_2,
+                     "in the year");
+    DrawTextSCentered(ystart + 5 * ystep, FONT_TEXT_3,
+                     "1984");
+    DrawTextSCentered(ystart + 6 * ystep, FONT_TEXT_2,
+                     "published by");
+    DrawTextSCentered(ystart + 7 * ystep, FONT_TEXT_3,
+                     "First Star Software");
+  }
+  else if (screen_nr == 1)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "Special thanks to");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3,
+                     "Klaus Heinz & Volker Wertich");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2,
+                     "for creating");
+    DrawTextSCentered(ystart + 3 * ystep, FONT_TEXT_3,
+                     "\"Emerald Mine\"");
+    DrawTextSCentered(ystart + 4 * ystep, FONT_TEXT_2,
+                     "in the year");
+    DrawTextSCentered(ystart + 5 * ystep, FONT_TEXT_3,
+                     "1987");
+    DrawTextSCentered(ystart + 6 * ystep, FONT_TEXT_2,
+                     "published by");
+    DrawTextSCentered(ystart + 7 * ystep, FONT_TEXT_3,
+                     "Kingsoft");
+  }
+  else if (screen_nr == 2)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "Special thanks to");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3,
+                     "Michael Stopp & Philip Jespersen");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2,
+                     "for creating");
+    DrawTextSCentered(ystart + 3 * ystep, FONT_TEXT_3,
+                     "\"Supaplex\"");
+    DrawTextSCentered(ystart + 4 * ystep, FONT_TEXT_2,
+                     "in the year");
+    DrawTextSCentered(ystart + 5 * ystep, FONT_TEXT_3,
+                     "1991");
+    DrawTextSCentered(ystart + 6 * ystep, FONT_TEXT_2,
+                     "published by");
+    DrawTextSCentered(ystart + 7 * ystep, FONT_TEXT_3,
+                     "Digital Integration");
+  }
+  else if (screen_nr == 3)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "Special thanks to");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3,
+                     "Hiroyuki Imabayashi");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2,
+                     "for creating");
+    DrawTextSCentered(ystart + 3 * ystep, FONT_TEXT_3,
+                     "\"Sokoban\"");
+    DrawTextSCentered(ystart + 4 * ystep, FONT_TEXT_2,
+                     "in the year");
+    DrawTextSCentered(ystart + 5 * ystep, FONT_TEXT_3,
+                     "1982");
+    DrawTextSCentered(ystart + 6 * ystep, FONT_TEXT_2,
+                     "published by");
+    DrawTextSCentered(ystart + 7 * ystep, FONT_TEXT_3,
+                     "Thinking Rabbit");
+  }
+  else if (screen_nr == 4)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "Special thanks to");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3,
+                     "Alan Bond");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2,
+                     "and");
+    DrawTextSCentered(ystart + 3 * ystep, FONT_TEXT_3,
+                     "Jürgen Bonhagen");
+    DrawTextSCentered(ystart + 4 * ystep, FONT_TEXT_2,
+                     "for the continuous creation");
+    DrawTextSCentered(ystart + 5 * ystep, FONT_TEXT_2,
+                     "of outstanding level sets");
+  }
+  else if (screen_nr == 5)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "Thanks to");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3,
+                     "Peter Elzner");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2,
+                     "for ideas and inspiration by");
+    DrawTextSCentered(ystart + 3 * ystep, FONT_TEXT_3,
+                     "Diamond Caves");
+
+    DrawTextSCentered(ystart + 5 * ystep, FONT_TEXT_2,
+                     "Thanks to");
+    DrawTextSCentered(ystart + 6 * ystep, FONT_TEXT_3,
+                     "Steffest");
+    DrawTextSCentered(ystart + 7 * ystep, FONT_TEXT_2,
+                     "for ideas and inspiration by");
+    DrawTextSCentered(ystart + 8 * ystep, FONT_TEXT_3,
+                     "DX-Boulderdash");
+  }
+  else if (screen_nr == 6)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "Thanks to");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3,
+                     "David Tritscher");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2,
+                     "for the new Emerald Mine engine");
+  }
+  else if (screen_nr == 7)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "Thanks to");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_3,
+                     "Guido Schulz");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_2,
+                     "for the initial DOS port");
+
+    DrawTextSCentered(ystart + 4 * ystep, FONT_TEXT_2,
+                     "Thanks to");
+    DrawTextSCentered(ystart + 5 * ystep, FONT_TEXT_3,
+                     "Karl Hörnell");
+    DrawTextSCentered(ystart + 6 * ystep, FONT_TEXT_2,
+                     "for some additional toons");
+  }
+  else if (screen_nr == 8)
+  {
+    DrawTextSCentered(ystart + 0 * ystep, FONT_TEXT_2,
+                     "And not to forget:");
+    DrawTextSCentered(ystart + 1 * ystep, FONT_TEXT_2,
+                     "Many thanks to");
+    DrawTextSCentered(ystart + 2 * ystep, FONT_TEXT_3,
+                     "All those who contributed");
+    DrawTextSCentered(ystart + 3 * ystep, FONT_TEXT_3,
+                     "levels to this game");
+    DrawTextSCentered(ystart + 4 * ystep, FONT_TEXT_3,
+                     "since 1995");
+  }
+  else
+  {
+    return FALSE;
+  }
 
   DrawTextSCentered(ybottom, FONT_TEXT_4,
-                   "Press any key or button for info menu");
+                   "Press any key or button for next page");
+
+  return TRUE;
+}
+
+void DrawInfoScreen_Credits()
+{
+  SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
+
+  FadeSoundsAndMusic();
+
+  HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
 }
 
 void HandleInfoScreen_Credits(int button)
 {
-  int button_released = !button;
+  static int screen_nr = 0;
 
-  if (button == MB_MENU_LEAVE)
+  if (button == MB_MENU_INITIALIZE)
+  {
+    screen_nr = 0;
+
+    DrawInfoScreen_CreditsScreen(screen_nr);
+  }
+  else if (button == MB_MENU_LEAVE)
   {
     info_mode = INFO_MODE_MAIN;
     DrawInfoScreen();
 
     return;
   }
-
-  if (button_released)
+  else if (button == MB_MENU_CHOICE)
   {
-    FadeSoundsAndMusic();
+    screen_nr++;
 
-    info_mode = INFO_MODE_MAIN;
-    DrawInfoScreen();
+    if (!DrawInfoScreen_CreditsScreen(screen_nr))
+    {
+      FadeSoundsAndMusic();
+
+      info_mode = INFO_MODE_MAIN;
+      DrawInfoScreen();
+    }
   }
   else
   {
@@ -1514,11 +1882,13 @@ void HandleInfoScreen_LevelSet(int button)
   }
 }
 
-void DrawInfoScreen()
+static void DrawInfoScreenExt(int fade_delay)
 {
   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
 
-  if (info_mode == INFO_MODE_ELEMENTS)
+  if (info_mode == INFO_MODE_TITLE)
+    DrawInfoScreen_TitleScreen();
+  else if (info_mode == INFO_MODE_ELEMENTS)
     DrawInfoScreen_Elements();
   else if (info_mode == INFO_MODE_MUSIC)
     DrawInfoScreen_Music();
@@ -1529,18 +1899,27 @@ void DrawInfoScreen()
   else if (info_mode == INFO_MODE_LEVELSET)
     DrawInfoScreen_LevelSet();
   else
-    DrawInfoScreen_Main();
+    DrawInfoScreen_Main(fade_delay);
 
-  if (info_mode != INFO_MODE_MUSIC)
+  if (info_mode != INFO_MODE_MAIN &&
+      info_mode != INFO_MODE_TITLE &&
+      info_mode != INFO_MODE_MUSIC)
   {
     PlayMenuSound();
     PlayMenuMusic();
   }
 }
 
+void DrawInfoScreen()
+{
+  DrawInfoScreenExt(0);
+}
+
 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
 {
-  if (info_mode == INFO_MODE_ELEMENTS)
+  if (info_mode == INFO_MODE_TITLE)
+    HandleInfoScreen_TitleScreen(button);
+  else if (info_mode == INFO_MODE_ELEMENTS)
     HandleInfoScreen_Elements(button);
   else if (info_mode == INFO_MODE_MUSIC)
     HandleInfoScreen_Music(button);
@@ -1631,7 +2010,7 @@ static void DrawChooseTree(TreeInfo **ti_ptr)
   ClearWindow();
 
   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
-  MapChooseTreeGadgets(*ti_ptr);
+  MapScreenTreeGadgets(*ti_ptr);
 
   FadeToFront();
   InitAnimation();
@@ -2284,10 +2663,17 @@ static struct TokenInfo setup_info_editor[] =
 #endif
   { TYPE_SWITCH,       &setup.editor.el_chars,         "Text Characters:" },
   { TYPE_SWITCH,       &setup.editor.el_custom,  "Custom & Group Elements:" },
+#if 0
   { TYPE_SWITCH,       &setup.editor.el_headlines,     "Headlines:"    },
+#endif
   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
   { TYPE_SWITCH,       &setup.editor.el_dynamic,  "Dynamic level elements:" },
   { TYPE_EMPTY,                NULL,                   ""                      },
+#if 0
+  { TYPE_SWITCH,       &setup.editor.el_by_game,   "Show elements by game:" },
+  { TYPE_SWITCH,       &setup.editor.el_by_type,   "Show elements by type:" },
+  { TYPE_EMPTY,                NULL,                   ""                      },
+#endif
   { TYPE_SWITCH, &setup.editor.show_element_token,     "Show element token:" },
   { TYPE_EMPTY,                NULL,                   ""                      },
   { TYPE_LEAVE_MENU,   execSetupMain,          "Back"                  },
@@ -2827,8 +3213,10 @@ void DrawSetupScreen_Input()
   initCursor(2,  IMG_MENU_BUTTON_ENTER_MENU);
   initCursor(13, IMG_MENU_BUTTON_LEAVE_MENU);
 
+#if 0
   drawCursorXY(10, 0, IMG_MENU_BUTTON_LEFT);
   drawCursorXY(12, 0, IMG_MENU_BUTTON_RIGHT);
+#endif
 
   DrawText(mSX + 32, mSY +  2 * 32, "Player:", FONT_MENU_1);
   DrawText(mSX + 32, mSY +  3 * 32, "Device:", FONT_MENU_1);
@@ -2842,6 +3230,15 @@ void DrawSetupScreen_Input()
                    "Joysticks deactivated on this screen");
 #endif
 
+#if 1
+  /* create gadgets for setup input menu screen */
+  FreeScreenGadgets();
+  CreateScreenGadgets();
+
+  /* map gadgets for setup input menu screen */
+  MapScreenMenuGadgets(SCREEN_MASK_INPUT);
+#endif
+
   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
   FadeToFront();
   InitAnimation();
@@ -2945,10 +3342,30 @@ static void drawPlayerSetupInputInfo(int player_nr)
   }
 }
 
+static int input_player_nr = 0;
+
+void HandleSetupScreen_Input_Player(int step, int direction)
+{
+  int old_player_nr = input_player_nr;
+  int new_player_nr;
+
+  new_player_nr = old_player_nr + step * direction;
+  if (new_player_nr < 0)
+    new_player_nr = 0;
+  if (new_player_nr > MAX_PLAYERS - 1)
+    new_player_nr = MAX_PLAYERS - 1;
+
+  if (new_player_nr != old_player_nr)
+  {
+    input_player_nr = new_player_nr;
+
+    drawPlayerSetupInputInfo(input_player_nr);
+  }
+}
+
 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
 {
   static int choice = 0;
-  static int player_nr = 0;
   int x = 0;
   int y = choice;
   int pos_start  = SETUPINPUT_SCREEN_POS_START;
@@ -2958,7 +3375,7 @@ void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
 
   if (button == MB_MENU_INITIALIZE)
   {
-    drawPlayerSetupInputInfo(player_nr);
+    drawPlayerSetupInputInfo(input_player_nr);
     drawCursor(choice, FC_RED);
 
     return;
@@ -2992,6 +3409,15 @@ void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
   }
 
+#if 1
+
+  if (y == 0 && dx != 0 && button)
+  {
+    HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
+  }
+
+#else
+
   if (IN_VIS_FIELD(x, y) &&
       y == 0 && ((x < 10 && !button) || ((x == 10 || x == 12) && button)))
   {
@@ -3000,10 +3426,14 @@ void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
       return;
 
-    player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
+    input_player_nr =
+      (input_player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
 
-    drawPlayerSetupInputInfo(player_nr);
+    drawPlayerSetupInputInfo(input_player_nr);
   }
+
+#endif
+
   else if (IN_VIS_FIELD(x, y) &&
           y >= pos_start && y <= pos_end &&
           !(y >= pos_empty1 && y <= pos_empty2))
@@ -3021,14 +3451,14 @@ void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
     {
       if (y == 1)
       {
-       char *device_name = setup.input[player_nr].joy.device_name;
+       char *device_name = setup.input[input_player_nr].joy.device_name;
 
-       if (!setup.input[player_nr].use_joystick)
+       if (!setup.input[input_player_nr].use_joystick)
        {
          int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
 
          setJoystickDeviceToNr(device_name, new_device_nr);
-         setup.input[player_nr].use_joystick = TRUE;
+         setup.input[input_player_nr].use_joystick = TRUE;
        }
        else
        {
@@ -3036,22 +3466,22 @@ void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
          int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
 
          if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
-           setup.input[player_nr].use_joystick = FALSE;
+           setup.input[input_player_nr].use_joystick = FALSE;
          else
            setJoystickDeviceToNr(device_name, new_device_nr);
        }
 
-       drawPlayerSetupInputInfo(player_nr);
+       drawPlayerSetupInputInfo(input_player_nr);
       }
       else if (y == 2)
       {
-       if (setup.input[player_nr].use_joystick)
+       if (setup.input[input_player_nr].use_joystick)
        {
          InitJoysticks();
-         CalibrateJoystick(player_nr);
+         CalibrateJoystick(input_player_nr);
        }
        else
-         CustomizeKeyboard(player_nr);
+         CustomizeKeyboard(input_player_nr);
       }
       else if (y == pos_end)
       {
@@ -3460,6 +3890,74 @@ void HandleGameActions()
 
 /* ---------- new screen button stuff -------------------------------------- */
 
+static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
+{
+  switch (gadget_id)
+  {
+    case SCREEN_CTRL_ID_LAST_LEVEL:
+      *x = mSX + TILEX * getLastLevelButtonPos();
+      *y = mSY + TILEY * (MENU_SCREEN_START_YPOS + 1);
+      break;
+
+    case SCREEN_CTRL_ID_NEXT_LEVEL:
+      *x = mSX + TILEX * getNextLevelButtonPos();
+      *y = mSY + TILEY * (MENU_SCREEN_START_YPOS + 1);
+      break;
+
+    case SCREEN_CTRL_ID_LAST_PLAYER:
+      *x = mSX + TILEX * 10;
+      *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
+      break;
+
+    case SCREEN_CTRL_ID_NEXT_PLAYER:
+      *x = mSX + TILEX * 12;
+      *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
+      break;
+
+    default:
+      Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
+  }
+}
+
+static struct
+{
+  int gfx_unpressed, gfx_pressed;
+  void (*get_gadget_position)(int *, int *, int);
+  int gadget_id;
+  int screen_mask;
+  char *infotext;
+} menubutton_info[NUM_SCREEN_MENUBUTTONS] =
+{
+  {
+    IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
+    getScreenMenuButtonPos,
+    SCREEN_CTRL_ID_LAST_LEVEL,
+    SCREEN_MASK_MAIN,
+    "last level"
+  },
+  {
+    IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
+    getScreenMenuButtonPos,
+    SCREEN_CTRL_ID_NEXT_LEVEL,
+    SCREEN_MASK_MAIN,
+    "next level"
+  },
+  {
+    IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
+    getScreenMenuButtonPos,
+    SCREEN_CTRL_ID_LAST_PLAYER,
+    SCREEN_MASK_INPUT,
+    "last player"
+  },
+  {
+    IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
+    getScreenMenuButtonPos,
+    SCREEN_CTRL_ID_NEXT_PLAYER,
+    SCREEN_MASK_INPUT,
+    "next player"
+  },
+};
+
 static struct
 {
   int gfx_unpressed, gfx_pressed;
@@ -3510,6 +4008,59 @@ static struct
   }
 };
 
+static void CreateScreenMenubuttons()
+{
+  struct GadgetInfo *gi;
+  unsigned long event_mask;
+  int i;
+
+  for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
+  {
+    Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
+    int gfx_unpressed, gfx_pressed;
+    int x, y, width, height;
+    int gd_x1, gd_x2, gd_y1, gd_y2;
+    int id = menubutton_info[i].gadget_id;
+
+    event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
+
+    menubutton_info[i].get_gadget_position(&x, &y, id);
+
+    width = SC_MENUBUTTON_XSIZE;
+    height = SC_MENUBUTTON_YSIZE;
+
+    gfx_unpressed = menubutton_info[i].gfx_unpressed;
+    gfx_pressed   = menubutton_info[i].gfx_pressed;
+    gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
+    gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
+    gd_x1 = graphic_info[gfx_unpressed].src_x;
+    gd_y1 = graphic_info[gfx_unpressed].src_y;
+    gd_x2 = graphic_info[gfx_pressed].src_x;
+    gd_y2 = graphic_info[gfx_pressed].src_y;
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+                     GDI_CUSTOM_TYPE_ID, i,
+                     GDI_INFO_TEXT, menubutton_info[i].infotext,
+                     GDI_X, x,
+                     GDI_Y, y,
+                     GDI_WIDTH, width,
+                     GDI_HEIGHT, height,
+                     GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
+                     GDI_STATE, GD_BUTTON_UNPRESSED,
+                     GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
+                     GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
+                     GDI_DIRECT_DRAW, FALSE,
+                     GDI_EVENT_MASK, event_mask,
+                     GDI_CALLBACK_ACTION, HandleScreenGadgets,
+                     GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    screen_gadget[id] = gi;
+  }
+}
+
 static void CreateScreenScrollbuttons()
 {
   struct GadgetInfo *gi;
@@ -3669,6 +4220,8 @@ void CreateScreenGadgets()
   }
 #endif
 
+  CreateScreenMenubuttons();
+
   /* force LEVELS draw offset for scrollbar / scrollbutton gadgets */
   game_status = GAME_MODE_LEVELS;
 
@@ -3697,37 +4250,59 @@ void FreeScreenGadgets()
     FreeGadget(screen_gadget[i]);
 }
 
-void MapChooseTreeGadgets(TreeInfo *ti)
+void MapScreenMenuGadgets(int screen_mask)
 {
-  int num_entries = numTreeInfoInGroup(ti);
   int i;
 
-  if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
-    return;
-
-  for (i = 0; i < NUM_SCREEN_GADGETS; i++)
-    MapGadget(screen_gadget[i]);
+  for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
+    if (screen_mask & menubutton_info[i].screen_mask)
+      MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
 }
 
-#if 0
-void UnmapChooseTreeGadgets()
+void MapScreenTreeGadgets(TreeInfo *ti)
 {
+  int num_entries = numTreeInfoInGroup(ti);
   int i;
 
-  for (i = 0; i < NUM_SCREEN_GADGETS; i++)
-    UnmapGadget(screen_gadget[i]);
+  if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
+    return;
+
+  for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
+    MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
+
+  for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
+    MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
 }
-#endif
 
 static void HandleScreenGadgets(struct GadgetInfo *gi)
 {
   int id = gi->custom_id;
+  int button = gi->event.button;
+  int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 
+#if 0
   if (game_status != GAME_MODE_LEVELS && game_status != GAME_MODE_SETUP)
     return;
+#endif
 
   switch (id)
   {
+    case SCREEN_CTRL_ID_LAST_LEVEL:
+      HandleMainMenu_SelectLevel(step, -1);
+      break;
+
+    case SCREEN_CTRL_ID_NEXT_LEVEL:
+      HandleMainMenu_SelectLevel(step, +1);
+      break;
+
+    case SCREEN_CTRL_ID_LAST_PLAYER:
+      HandleSetupScreen_Input_Player(step, -1);
+      break;
+
+    case SCREEN_CTRL_ID_NEXT_PLAYER:
+      HandleSetupScreen_Input_Player(step, +1);
+      break;
+
     case SCREEN_CTRL_ID_SCROLL_UP:
       if (game_status == GAME_MODE_LEVELS)
        HandleChooseLevel(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);