src/screens.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * screens.c                                                *
  12 ***********************************************************/
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "screens.h"
  17 #include "events.h"
  18 #include "game.h"
  19 #include "tools.h"
  20 #include "editor.h"
  21 #include "files.h"
  22 #include "tape.h"
  23 #include "cartoons.h"
  24 #include "network.h"
  25 #include "init.h"
  26
  27 /* screens in the setup menu */
  28 #define SETUP_MODE_MAIN                 0
  29 #define SETUP_MODE_GAME                 1
  30 #define SETUP_MODE_EDITOR               2
  31 #define SETUP_MODE_INPUT                3
  32 #define SETUP_MODE_SHORTCUT             4
  33 #define SETUP_MODE_GRAPHICS             5
  34 #define SETUP_MODE_SOUND                6
  35 #define SETUP_MODE_ARTWORK              7
  36 #define SETUP_MODE_CHOOSE_GRAPHICS      8
  37 #define SETUP_MODE_CHOOSE_SOUNDS        9
  38 #define SETUP_MODE_CHOOSE_MUSIC         10
  39
  40 #define MAX_SETUP_MODES                 11
  41
  42 /* for input setup functions */
  43 #define SETUPINPUT_SCREEN_POS_START     0
  44 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  45 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  46 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  47
  48 /* for various menu stuff  */
  49 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - 2)
  50 #define MENU_SCREEN_START_YPOS          2
  51 #define MENU_SCREEN_VALUE_XPOS          14
  52
  53 /* buttons and scrollbars identifiers */
  54 #define SCREEN_CTRL_ID_SCROLL_UP        0
  55 #define SCREEN_CTRL_ID_SCROLL_DOWN      1
  56 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  2
  57
  58 #define NUM_SCREEN_SCROLLBUTTONS        2
  59 #define NUM_SCREEN_SCROLLBARS           1
  60 #define NUM_SCREEN_GADGETS              3
  61
  62 /* forward declarations of internal functions */
  63 static void HandleScreenGadgets(struct GadgetInfo *);
  64 static void HandleSetupScreen_Generic(int, int, int, int, int);
  65 static void HandleSetupScreen_Input(int, int, int, int, int);
  66 static void CustomizeKeyboard(int);
  67 static void CalibrateJoystick(int);
  68 static void execSetupArtwork(void);
  69 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
  70
  71 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
  72 static int setup_mode = SETUP_MODE_MAIN;
  73
  74 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
  75 static Bitmap *scrollbar_bitmap[4];
  76 #endif
  77
  78
  79 static void drawCursorExt(int xpos, int ypos, int color, int graphic)
  80 {
  81   static int cursor_array[SCR_FIELDY];
  82
  83   if (xpos == 0)
  84   {
  85     if (graphic != 0)
  86       cursor_array[ypos] = graphic;
  87     else
  88       graphic = cursor_array[ypos];
  89   }
  90
  91   if (color == FC_RED)
  92     graphic = (graphic == IMG_ARROW_BLUE_LEFT  ? IMG_ARROW_RED_LEFT  :
  93                graphic == IMG_ARROW_BLUE_RIGHT ? IMG_ARROW_RED_RIGHT :
  94                IMG_BALL_RED);
  95
  96   ypos += MENU_SCREEN_START_YPOS;
  97
  98   DrawBackground(SX + xpos * 32, SY + ypos * 32, TILEX, TILEY);
  99   DrawGraphicThruMask(xpos, ypos, graphic, 0);
 100 }
 101
 102 static void initCursor(int ypos, int graphic)
 103 {
 104   drawCursorExt(0, ypos, FC_BLUE, graphic);
 105 }
 106
 107 static void drawCursor(int ypos, int color)
 108 {
 109   drawCursorExt(0, ypos, color, 0);
 110 }
 111
 112 static void drawCursorXY(int xpos, int ypos, int graphic)
 113 {
 114   drawCursorExt(xpos, ypos, -1, graphic);
 115 }
 116
 117 void DrawHeadline()
 118 {
 119   int x = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING) * FONT1_XSIZE) / 2;
 120
 121   DrawText(x, SY + 8, PROGRAM_TITLE_STRING, FS_BIG, FC_YELLOW);
 122   DrawTextFCentered(46, FC_RED, WINDOW_SUBTITLE_STRING);
 123 }
 124
 125 static void ToggleFullscreenIfNeeded()
 126 {
 127   if (setup.fullscreen != video.fullscreen_enabled)
 128   {
 129     /* save old door content */
 130     BlitBitmap(backbuffer, bitmap_db_door,
 131                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 132
 133     /* toggle fullscreen */
 134     ChangeVideoModeIfNeeded(setup.fullscreen);
 135     setup.fullscreen = video.fullscreen_enabled;
 136
 137     /* redraw background to newly created backbuffer */
 138     BlitBitmap(new_graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
 139                0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 140
 141     /* restore old door content */
 142     BlitBitmap(bitmap_db_door, backbuffer,
 143                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 144
 145     redraw_mask = REDRAW_ALL;
 146   }
 147 }
 148
 149 void DrawMainMenu()
 150 {
 151   static LevelDirTree *leveldir_last_valid = NULL;
 152   int i;
 153   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 154
 155   UnmapAllGadgets();
 156   FadeSounds();
 157
 158   KeyboardAutoRepeatOn();
 159   ActivateJoystick();
 160
 161   SetDrawDeactivationMask(REDRAW_NONE);
 162   SetDrawBackgroundMask(REDRAW_FIELD);
 163
 164   audio.sound_deactivated = FALSE;
 165
 166   /* needed if last screen was the playing screen, invoked from level editor */
 167   if (level_editor_test_game)
 168   {
 169     game_status = LEVELED;
 170     DrawLevelEd();
 171     return;
 172   }
 173
 174   /* needed if last screen was the editor screen */
 175   UndrawSpecialEditorDoor();
 176
 177   /* needed if last screen was the setup screen and fullscreen state changed */
 178   ToggleFullscreenIfNeeded();
 179
 180   /* needed if last screen (level choice) changed graphics, sounds or music */
 181   ReloadCustomArtwork();
 182
 183 #ifdef TARGET_SDL
 184   SetDrawtoField(DRAW_BACKBUFFER);
 185 #endif
 186
 187   /* map gadgets for main menu screen */
 188   MapTapeButtons();
 189
 190   /* leveldir_current may be invalid (level group, parent link) */
 191   if (!validLevelSeries(leveldir_current))
 192     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 193
 194   /* store valid level series information */
 195   leveldir_last_valid = leveldir_current;
 196
 197   /* level_nr may have been set to value over handicap with level editor */
 198   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 199     level_nr = leveldir_current->handicap_level;
 200
 201   GetPlayerConfig();
 202   LoadLevel(level_nr);
 203
 204   SetMainBackgroundBitmap(new_graphic_info[IMG_BACKGROUND_DEFAULT].bitmap);
 205   ClearWindow();
 206
 207   DrawHeadline();
 208
 209   DrawText(SX + 32,    SY + 2*32, name_text, FS_BIG, FC_GREEN);
 210   DrawText(SX + 6*32,  SY + 2*32, setup.player_name, FS_BIG, FC_RED);
 211   DrawText(SX + 32,    SY + 3*32, "Level:", FS_BIG, FC_GREEN);
 212   DrawText(SX + 11*32, SY + 3*32, int2str(level_nr,3), FS_BIG,
 213            (leveldir_current->readonly ? FC_RED : FC_YELLOW));
 214   DrawText(SX + 32,    SY + 4*32, "Hall Of Fame", FS_BIG, FC_GREEN);
 215   DrawText(SX + 32,    SY + 5*32, "Level Creator", FS_BIG, FC_GREEN);
 216   DrawText(SY + 32,    SY + 6*32, "Info Screen", FS_BIG, FC_GREEN);
 217   DrawText(SX + 32,    SY + 7*32, "Start Game", FS_BIG, FC_GREEN);
 218   DrawText(SX + 32,    SY + 8*32, "Setup", FS_BIG, FC_GREEN);
 219   DrawText(SX + 32,    SY + 9*32, "Quit", FS_BIG, FC_GREEN);
 220
 221   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 222
 223   DrawTextF(7*32 + 6, 3*32 + 9, FC_RED, "%d-%d",
 224             leveldir_current->first_level,
 225             leveldir_current->last_level);
 226
 227   if (leveldir_current->readonly)
 228   {
 229     DrawTextF(15*32 + 6, 3*32 + 9 - 7, FC_RED, "READ");
 230     DrawTextF(15*32 + 6, 3*32 + 9 + 7, FC_RED, "ONLY");
 231   }
 232
 233   for(i=0; i<8; i++)
 234     initCursor(i, (i == 1 || i == 6 ? IMG_ARROW_BLUE_RIGHT : IMG_BALL_BLUE));
 235
 236 #if 0
 237   DrawGraphic(10, 3, IMG_ARROW_BLUE_LEFT, 0);
 238   DrawGraphic(14, 3, IMG_ARROW_BLUE_RIGHT, 0);
 239 #else
 240   drawCursorXY(10, 1, IMG_ARROW_BLUE_LEFT);
 241   drawCursorXY(14, 1, IMG_ARROW_BLUE_RIGHT);
 242 #endif
 243
 244   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment",
 245            FS_SMALL, FC_RED);
 246
 247   if (leveldir_current->name)
 248   {
 249     int len = strlen(leveldir_current->name);
 250     int lxpos = SX + (SXSIZE - len * FONT4_XSIZE) / 2;
 251     int lypos = SY + 352;
 252
 253     DrawText(lxpos, lypos, leveldir_current->name, FS_SMALL, FC_SPECIAL2);
 254   }
 255
 256   FadeToFront();
 257   InitAnimation();
 258   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 259
 260   TapeStop();
 261   if (TAPE_IS_EMPTY(tape))
 262     LoadTape(level_nr);
 263   DrawCompleteVideoDisplay();
 264
 265   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 266
 267 #if 0
 268   ClearEventQueue();
 269 #endif
 270 }
 271
 272 static void gotoTopLevelDir()
 273 {
 274   /* move upwards to top level directory */
 275   while (leveldir_current->node_parent)
 276   {
 277     /* write a "path" into level tree for easy navigation to last level */
 278     if (leveldir_current->node_parent->node_group->cl_first == -1)
 279     {
 280       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 281       int leveldir_pos = posTreeInfo(leveldir_current);
 282       int num_page_entries;
 283       int cl_first, cl_cursor;
 284
 285       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 286         num_page_entries = num_leveldirs;
 287       else
 288         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 289
 290       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 291       cl_cursor = leveldir_pos - cl_first;
 292
 293       leveldir_current->node_parent->node_group->cl_first = cl_first;
 294       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 295     }
 296
 297     leveldir_current = leveldir_current->node_parent;
 298   }
 299 }
 300
 301 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 302 {
 303   static int choice = 0;
 304   int x = 0;
 305   int y = choice;
 306
 307   if (button == MB_MENU_INITIALIZE)
 308   {
 309     drawCursor(choice, FC_RED);
 310     return;
 311   }
 312
 313   if (mx || my)         /* mouse input */
 314   {
 315     x = (mx - SX) / 32;
 316     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
 317   }
 318   else if (dx || dy)    /* keyboard input */
 319   {
 320     if (dx && choice == 1)
 321       x = (dx < 0 ? 10 : 14);
 322     else if (dy)
 323       y = choice + dy;
 324   }
 325
 326   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 327                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 328       button)
 329   {
 330     static unsigned long level_delay = 0;
 331     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 332     int new_level_nr, old_level_nr = level_nr;
 333     int font_color = (leveldir_current->readonly ? FC_RED : FC_YELLOW);
 334
 335     new_level_nr = level_nr + (x == 10 ? -step : +step);
 336     if (new_level_nr < leveldir_current->first_level)
 337       new_level_nr = leveldir_current->first_level;
 338     if (new_level_nr > leveldir_current->last_level)
 339       new_level_nr = leveldir_current->last_level;
 340
 341     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 342       new_level_nr = leveldir_current->handicap_level;
 343
 344     if (old_level_nr == new_level_nr ||
 345         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 346       goto out;
 347
 348     level_nr = new_level_nr;
 349
 350     DrawText(SX + 11 * 32, SY + 3 * 32, int2str(level_nr, 3),
 351              FS_BIG, font_color);
 352
 353     LoadLevel(level_nr);
 354     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 355
 356     TapeErase();
 357     LoadTape(level_nr);
 358     DrawCompleteVideoDisplay();
 359
 360     /* needed because DrawMicroLevel() takes some time */
 361     BackToFront();
 362     SyncDisplay();
 363     DelayReached(&level_delay, 0);      /* reset delay counter */
 364   }
 365   else if (x == 0 && y >= 0 && y <= 7)
 366   {
 367     if (button)
 368     {
 369       if (y != choice)
 370       {
 371         drawCursor(y, FC_RED);
 372         drawCursor(choice, FC_BLUE);
 373         choice = y;
 374       }
 375     }
 376     else
 377     {
 378       if (y == 0)
 379       {
 380         game_status = TYPENAME;
 381         HandleTypeName(strlen(setup.player_name), 0);
 382       }
 383       else if (y == 1)
 384       {
 385         if (leveldir_first)
 386         {
 387           game_status = CHOOSELEVEL;
 388           SaveLevelSetup_LastSeries();
 389           SaveLevelSetup_SeriesInfo();
 390
 391           gotoTopLevelDir();
 392
 393           DrawChooseLevel();
 394         }
 395       }
 396       else if (y == 2)
 397       {
 398         game_status = HALLOFFAME;
 399         DrawHallOfFame(-1);
 400       }
 401       else if (y == 3)
 402       {
 403         if (leveldir_current->readonly &&
 404             strcmp(setup.player_name, "Artsoft") != 0)
 405           Request("This level is read only !", REQ_CONFIRM);
 406         game_status = LEVELED;
 407         DrawLevelEd();
 408       }
 409       else if (y == 4)
 410       {
 411         game_status = HELPSCREEN;
 412         DrawHelpScreen();
 413       }
 414       else if (y == 5)
 415       {
 416         if (setup.autorecord)
 417           TapeStartRecording();
 418
 419 #if defined(PLATFORM_UNIX)
 420         if (options.network)
 421           SendToServer_StartPlaying();
 422         else
 423 #endif
 424         {
 425           game_status = PLAYING;
 426           StopAnimation();
 427           InitGame();
 428         }
 429       }
 430       else if (y == 6)
 431       {
 432         game_status = SETUP;
 433         setup_mode = SETUP_MODE_MAIN;
 434         DrawSetupScreen();
 435       }
 436       else if (y == 7)
 437       {
 438         SaveLevelSetup_LastSeries();
 439         SaveLevelSetup_SeriesInfo();
 440         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 441           game_status = EXITGAME;
 442       }
 443     }
 444   }
 445
 446   BackToFront();
 447
 448   out:
 449
 450   if (game_status == MAINMENU)
 451   {
 452     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 453     DoAnimation();
 454   }
 455 }
 456
 457
 458 #define MAX_HELPSCREEN_ELS      10
 459 #define HA_NEXT                 -999
 460 #define HA_END                  -1000
 461
 462 static long helpscreen_state;
 463 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 464 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 465 #if 0
 466 static int OLD_helpscreen_action[] =
 467 {
 468   GFX_SPIELER1_DOWN,4,2,
 469   GFX_SPIELER1_UP,4,2,
 470   GFX_SPIELER1_LEFT,4,2,
 471   GFX_SPIELER1_RIGHT,4,2,
 472   GFX_SPIELER1_PUSH_LEFT,4,2,
 473   GFX_SPIELER1_PUSH_RIGHT,4,2,                                  HA_NEXT,
 474   GFX_ERDREICH,1,100,                                           HA_NEXT,
 475   GFX_LEERRAUM,1,100,                                           HA_NEXT,
 476   GFX_MORAST_LEER,1,100,                                        HA_NEXT,
 477   GFX_BETON,1,100,                                              HA_NEXT,
 478   GFX_MAUERWERK,1,100,                                          HA_NEXT,
 479   GFX_MAUER_L1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 480   GFX_MAUER_R1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 481   GFX_MAUER_UP,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 482   GFX_MAUER_DOWN,3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,    HA_NEXT,
 483   GFX_UNSICHTBAR,1,100,                                         HA_NEXT,
 484   GFX_FELSBODEN,1,100,                                          HA_NEXT,
 485   GFX_CHAR_A,30,4, GFX_CHAR_AUSRUF,32,4,                        HA_NEXT,
 486   GFX_EDELSTEIN,2,5,                                            HA_NEXT,
 487   GFX_DIAMANT,2,5,                                              HA_NEXT,
 488   GFX_EDELSTEIN_BD,2,5,                                         HA_NEXT,
 489   GFX_EDELSTEIN_GELB,2,5, GFX_EDELSTEIN_ROT,2,5,
 490   GFX_EDELSTEIN_LILA,2,5,                                       HA_NEXT,
 491   GFX_FELSBROCKEN,4,5,                                          HA_NEXT,
 492   GFX_BOMBE,1,50, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,         HA_NEXT,
 493   GFX_KOKOSNUSS,1,50, GFX_CRACKINGNUT,3,1, GFX_EDELSTEIN,1,10,  HA_NEXT,
 494   GFX_ERZ_EDEL,1,50, GFX_EXPLOSION,8,1, GFX_EDELSTEIN,1,10,     HA_NEXT,
 495   GFX_ERZ_DIAM,1,50, GFX_EXPLOSION,8,1, GFX_DIAMANT,1,10,       HA_NEXT,
 496   GFX_ERZ_EDEL_BD,1,50, GFX_EXPLOSION,8,1,GFX_EDELSTEIN_BD,1,10,HA_NEXT,
 497   GFX_ERZ_EDEL_GELB,1,50, GFX_EXPLOSION,8,1,
 498   GFX_EDELSTEIN_GELB,1,10, GFX_ERZ_EDEL_ROT,1,50,
 499   GFX_EXPLOSION,8,1, GFX_EDELSTEIN_ROT,1,10,
 500   GFX_ERZ_EDEL_LILA,1,50, GFX_EXPLOSION,8,1,
 501   GFX_EDELSTEIN_LILA,1,10,                                      HA_NEXT,
 502   GFX_GEBLUBBER,4,4,                                            HA_NEXT,
 503   GFX_SCHLUESSEL1,4,25,                                         HA_NEXT,
 504   GFX_PFORTE1,4,25,                                             HA_NEXT,
 505   GFX_PFORTE1X,4,25,                                            HA_NEXT,
 506   GFX_DYNAMIT_AUS,1,100,                                        HA_NEXT,
 507   GFX_DYNAMIT,7,6, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,        HA_NEXT,
 508   GFX_DYNABOMB+0,4,3, GFX_DYNABOMB+3,1,3, GFX_DYNABOMB+2,1,3,
 509   GFX_DYNABOMB+1,1,3, GFX_DYNABOMB+0,1,3, GFX_EXPLOSION,8,1,
 510   GFX_LEERRAUM,1,10,                                            HA_NEXT,
 511   GFX_DYNABOMB_NR,1,100,                                        HA_NEXT,
 512   GFX_DYNABOMB_SZ,1,100,                                        HA_NEXT,
 513   GFX_FLIEGER+4,1,3, GFX_FLIEGER+0,1,3, GFX_FLIEGER+4,1,3,
 514   GFX_FLIEGER+5,1,3, GFX_FLIEGER+1,1,3, GFX_FLIEGER+5,1,3,
 515   GFX_FLIEGER+6,1,3, GFX_FLIEGER+2,1,3, GFX_FLIEGER+6,1,3,
 516   GFX_FLIEGER+7,1,3, GFX_FLIEGER+3,1,3, GFX_FLIEGER+7,1,3,      HA_NEXT,
 517   GFX_KAEFER+4,1,1, GFX_KAEFER+0,1,1, GFX_KAEFER+4,1,1,
 518   GFX_KAEFER+5,1,1, GFX_KAEFER+1,1,1, GFX_KAEFER+5,1,1,
 519   GFX_KAEFER+6,1,1, GFX_KAEFER+2,1,1, GFX_KAEFER+6,1,1,
 520   GFX_KAEFER+7,1,1, GFX_KAEFER+3,1,1, GFX_KAEFER+7,1,1,         HA_NEXT,
 521   GFX_BUTTERFLY,2,2,                                            HA_NEXT,
 522   GFX_FIREFLY,2,2,                                              HA_NEXT,
 523   GFX_PACMAN+0,1,3, GFX_PACMAN+4,1,2, GFX_PACMAN+0,1,3,
 524   GFX_PACMAN+1,1,3, GFX_PACMAN+5,1,2, GFX_PACMAN+1,1,3,
 525   GFX_PACMAN+2,1,3, GFX_PACMAN+6,1,2, GFX_PACMAN+2,1,3,
 526   GFX_PACMAN+3,1,3, GFX_PACMAN+7,1,2, GFX_PACMAN+3,1,3,         HA_NEXT,
 527   GFX_MAMPFER+0,4,1, GFX_MAMPFER+3,1,1, GFX_MAMPFER+2,1,1,
 528   GFX_MAMPFER+1,1,1, GFX_MAMPFER+0,1,1,                         HA_NEXT,
 529   GFX_MAMPFER2+0,4,1, GFX_MAMPFER2+3,1,1, GFX_MAMPFER2+2,1,1,
 530   GFX_MAMPFER2+1,1,1, GFX_MAMPFER2+0,1,1,                       HA_NEXT,
 531   GFX_ROBOT+0,4,1, GFX_ROBOT+3,1,1, GFX_ROBOT+2,1,1,
 532   GFX_ROBOT+1,1,1, GFX_ROBOT+0,1,1,                             HA_NEXT,
 533   GFX_MOLE_DOWN,4,2,
 534   GFX_MOLE_UP,4,2,
 535   GFX_MOLE_LEFT,4,2,
 536   GFX_MOLE_RIGHT,4,2,                                           HA_NEXT,
 537   GFX_PINGUIN_DOWN,4,2,
 538   GFX_PINGUIN_UP,4,2,
 539   GFX_PINGUIN_LEFT,4,2,
 540   GFX_PINGUIN_RIGHT,4,2,                                        HA_NEXT,
 541   GFX_SCHWEIN_DOWN,4,2,
 542   GFX_SCHWEIN_UP,4,2,
 543   GFX_SCHWEIN_LEFT,4,2,
 544   GFX_SCHWEIN_RIGHT,4,2,                                        HA_NEXT,
 545   GFX_DRACHE_DOWN,4,2,
 546   GFX_DRACHE_UP,4,2,
 547   GFX_DRACHE_LEFT,4,2,
 548   GFX_DRACHE_RIGHT,4,2,                                         HA_NEXT,
 549   GFX_SONDE_START,8,1,                                          HA_NEXT,
 550   GFX_ABLENK,4,1,                                               HA_NEXT,
 551   GFX_BIRNE_AUS,1,25, GFX_BIRNE_EIN,1,25,                       HA_NEXT,
 552   GFX_ZEIT_VOLL,1,25, GFX_ZEIT_LEER,1,25,                       HA_NEXT,
 553   GFX_TROPFEN,1,25, GFX_AMOEBING,4,1, GFX_AMOEBE_LEBT,1,10,     HA_NEXT,
 554   GFX_AMOEBE_TOT+2,2,50, GFX_AMOEBE_TOT,2,50,                   HA_NEXT,
 555   GFX_AMOEBE_LEBT,4,40,                                         HA_NEXT,
 556   GFX_AMOEBE_LEBT,1,10, GFX_AMOEBING,4,2,                       HA_NEXT,
 557   GFX_AMOEBE_LEBT,1,25, GFX_AMOEBE_TOT,1,25, GFX_EXPLOSION,8,1,
 558   GFX_DIAMANT,1,10,                                             HA_NEXT,
 559   GFX_LIFE,1,100,                                               HA_NEXT,
 560   GFX_LIFE_ASYNC,1,100,                                         HA_NEXT,
 561   GFX_MAGIC_WALL_OFF,4,2,                                       HA_NEXT,
 562   GFX_MAGIC_WALL_BD_OFF,4,2,                                    HA_NEXT,
 563   GFX_AUSGANG_ZU,1,100, GFX_AUSGANG_ACT,4,2,
 564   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 565   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 566   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 567   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 568   GFX_SOKOBAN_OBJEKT,1,100,                                     HA_NEXT,
 569   GFX_SOKOBAN_FELD_LEER,1,100,                                  HA_NEXT,
 570   GFX_SOKOBAN_FELD_VOLL,1,100,                                  HA_NEXT,
 571   GFX_SPEED_PILL,1,100,                                         HA_NEXT,
 572   HA_END
 573 };
 574 #endif
 575
 576 static int helpscreen_action[] =
 577 {
 578   IMG_PLAYER1_DOWN_MOVING,              16,
 579   IMG_PLAYER1_UP_MOVING,                16,
 580   IMG_PLAYER1_LEFT_MOVING,              16,
 581   IMG_PLAYER1_RIGHT_MOVING,             16,
 582   IMG_PLAYER1_LEFT_PUSHING,             16,
 583   IMG_PLAYER1_RIGHT_PUSHING,            16,                     HA_NEXT,
 584
 585   IMG_SAND,                             -1,                     HA_NEXT,
 586
 587   IMG_EMPTY_SPACE,                      -1,                     HA_NEXT,
 588
 589   IMG_QUICKSAND_EMPTY,                  -1,                     HA_NEXT,
 590
 591   IMG_STEELWALL,                        -1,                     HA_NEXT,
 592
 593   IMG_WALL,                             -1,                     HA_NEXT,
 594
 595   IMG_WALL_GROWING_ACTIVE_LEFT,         20,
 596   IMG_WALL,                             50,
 597   IMG_EMPTY_SPACE,                      20,
 598   IMG_WALL_GROWING_ACTIVE_RIGHT,        20,
 599   IMG_WALL,                             50,
 600   IMG_EMPTY_SPACE,                      20,
 601   IMG_WALL_GROWING_ACTIVE_UP,           20,
 602   IMG_WALL,                             50,
 603   IMG_EMPTY_SPACE,                      20,
 604   IMG_WALL_GROWING_ACTIVE_DOWN,         20,
 605   IMG_WALL,                             50,
 606   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 607
 608   IMG_INVISIBLE_WALL,                   -1,                     HA_NEXT,
 609
 610   IMG_WALL_CRUMBLED,                    -1,                     HA_NEXT,
 611
 612   IMG_INFO_FONT_EM_1,                   160,
 613   IMG_INFO_FONT_EM_2,                   160,
 614   IMG_INFO_FONT_EM_3,                   160,
 615   IMG_INFO_FONT_EM_4,                   160,
 616   IMG_INFO_FONT_EM_5,                   40,                     HA_NEXT,
 617
 618   IMG_EMERALD,                          -1,                     HA_NEXT,
 619
 620   IMG_DIAMOND,                          -1,                     HA_NEXT,
 621
 622   IMG_BD_DIAMOND,                       -1,                     HA_NEXT,
 623
 624   IMG_EMERALD_YELLOW,                   50,
 625   IMG_EMERALD_RED,                      50,
 626   IMG_EMERALD_PURPLE,                   50,                     HA_NEXT,
 627
 628   IMG_BD_ROCK,                          -1,                     HA_NEXT,
 629
 630   IMG_BOMB,                             100,
 631   IMG_EXPLOSION,                        16,
 632   IMG_EMPTY_SPACE,                      10,                     HA_NEXT,
 633
 634   IMG_NUT,                              100,
 635   IMG_NUT_CRACKING,                     6,
 636   IMG_EMERALD,                          20,                     HA_NEXT,
 637
 638   IMG_WALL_EMERALD,                     100,
 639   IMG_EXPLOSION,                        16,
 640   IMG_EMERALD,                          20,                     HA_NEXT,
 641
 642   IMG_WALL_DIAMOND,                     100,
 643   IMG_EXPLOSION,                        16,
 644   IMG_DIAMOND,                          20,                     HA_NEXT,
 645
 646   IMG_WALL_BD_DIAMOND,                  100,
 647   IMG_EXPLOSION,                        16,
 648   IMG_BD_DIAMOND,                       20,                     HA_NEXT,
 649
 650   IMG_WALL_EMERALD_YELLOW,              100,
 651   IMG_EXPLOSION,                        16,
 652   IMG_EMERALD_YELLOW,                   20,
 653   IMG_WALL_EMERALD_RED,                 100,
 654   IMG_EXPLOSION,                        16,
 655   IMG_EMERALD_RED,                      20,
 656   IMG_WALL_EMERALD_PURPLE,              100,
 657   IMG_EXPLOSION,                        16,
 658   IMG_EMERALD_PURPLE,                   20,                     HA_NEXT,
 659
 660   IMG_ACID,                             -1,                     HA_NEXT,
 661
 662   IMG_KEY1,                             50,
 663   IMG_KEY2,                             50,
 664   IMG_KEY3,                             50,
 665   IMG_KEY4,                             50,                     HA_NEXT,
 666
 667   IMG_GATE1,                            50,
 668   IMG_GATE2,                            50,
 669   IMG_GATE3,                            50,
 670   IMG_GATE4,                            50,                     HA_NEXT,
 671
 672   IMG_GATE1_GRAY,                       50,
 673   IMG_GATE2_GRAY,                       50,
 674   IMG_GATE3_GRAY,                       50,
 675   IMG_GATE4_GRAY,                       50,                     HA_NEXT,
 676
 677   IMG_DYNAMITE,                         -1,                     HA_NEXT,
 678
 679   IMG_DYNAMITE_ACTIVE,                  96,
 680   IMG_EXPLOSION,                        16,
 681   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 682
 683   IMG_DYNABOMB_ACTIVE,                  100,
 684   IMG_EXPLOSION,                        16,
 685   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 686
 687   IMG_DYNABOMB_NR,                      -1,                     HA_NEXT,
 688
 689   IMG_DYNABOMB_SZ,                      -1,                     HA_NEXT,
 690
 691   IMG_SPACESHIP_RIGHT,                  16,
 692   IMG_SPACESHIP_UP,                     16,
 693   IMG_SPACESHIP_LEFT,                   16,
 694   IMG_SPACESHIP_DOWN,                   16,                     HA_NEXT,
 695
 696   IMG_BUG_RIGHT,                        16,
 697   IMG_BUG_UP,                           16,
 698   IMG_BUG_LEFT,                         16,
 699   IMG_BUG_DOWN,                         16,                     HA_NEXT,
 700
 701   IMG_BD_BUTTERFLY,                     -1,                     HA_NEXT,
 702
 703   IMG_BD_FIREFLY,                       -1,                     HA_NEXT,
 704
 705   IMG_PACMAN_RIGHT,                     16,
 706   IMG_PACMAN_UP,                        16,
 707   IMG_PACMAN_LEFT,                      16,
 708   IMG_PACMAN_DOWN,                      16,                     HA_NEXT,
 709
 710   IMG_YAMYAM,                           -1,                     HA_NEXT,
 711
 712   IMG_DARK_YAMYAM,                      -1,                     HA_NEXT,
 713
 714   IMG_ROBOT,                            -1,                     HA_NEXT,
 715
 716   IMG_MOLE_RIGHT_MOVING,                16,
 717   IMG_MOLE_UP_MOVING,                   16,
 718   IMG_MOLE_LEFT_MOVING,                 16,
 719   IMG_MOLE_DOWN_MOVING,                 16,                     HA_NEXT,
 720
 721   IMG_PENGUIN_RIGHT_MOVING,             16,
 722   IMG_PENGUIN_UP_MOVING,                16,
 723   IMG_PENGUIN_LEFT_MOVING,              16,
 724   IMG_PENGUIN_DOWN_MOVING,              16,                     HA_NEXT,
 725
 726   IMG_PIG_RIGHT_MOVING,                 16,
 727   IMG_PIG_UP_MOVING,                    16,
 728   IMG_PIG_LEFT_MOVING,                  16,
 729   IMG_PIG_DOWN_MOVING,                  16,                     HA_NEXT,
 730
 731   IMG_DRAGON_RIGHT_MOVING,              16,
 732   IMG_DRAGON_UP_MOVING,                 16,
 733   IMG_DRAGON_LEFT_MOVING,               16,
 734   IMG_DRAGON_DOWN_MOVING,               16,                     HA_NEXT,
 735
 736   IMG_SATELLITE,                        -1,                     HA_NEXT,
 737
 738   IMG_ROBOT_WHEEL,                      50,
 739   IMG_ROBOT_WHEEL_ACTIVE,               100,                    HA_NEXT,
 740
 741   IMG_LAMP,                             50,
 742   IMG_LAMP_ACTIVE,                      50,                     HA_NEXT,
 743
 744   IMG_TIME_ORB_FULL,                    50,
 745   IMG_TIME_ORB_EMPTY,                   50,                     HA_NEXT,
 746
 747   IMG_AMOEBA_DROP,                      50,
 748   IMG_AMOEBA_CREATING,                  6,
 749   IMG_AMOEBA_WET,                       20,                     HA_NEXT,
 750
 751   IMG_AMOEBA_DEAD,                      -1,                     HA_NEXT,
 752
 753   IMG_AMOEBA_WET,                       -1,                     HA_NEXT,
 754
 755   IMG_AMOEBA_WET,                       100,
 756   IMG_AMOEBA_CREATING,                  6,                      HA_NEXT,
 757
 758   IMG_AMOEBA_FULL,                      50,
 759   IMG_AMOEBA_DEAD,                      50,
 760   IMG_EXPLOSION,                        16,
 761   IMG_DIAMOND,                          20,                     HA_NEXT,
 762
 763   IMG_GAMEOFLIFE,                       -1,                     HA_NEXT,
 764
 765   IMG_BIOMAZE,                          -1,                     HA_NEXT,
 766
 767   IMG_MAGIC_WALL_ACTIVE,                -1,                     HA_NEXT,
 768
 769   IMG_BD_MAGIC_WALL_ACTIVE,             -1,                     HA_NEXT,
 770
 771   IMG_EXIT_CLOSED,                      200,
 772   IMG_EXIT_OPENING,                     16,
 773   IMG_EXIT_OPEN,                        100,                    HA_NEXT,
 774
 775   IMG_EXIT_OPEN,                        -1,                     HA_NEXT,
 776
 777   IMG_SOKOBAN_OBJECT,                   -1,                     HA_NEXT,
 778
 779   IMG_SOKOBAN_FIELD_EMPTY,              -1,                     HA_NEXT,
 780
 781   IMG_SOKOBAN_FIELD_FULL,               -1,                     HA_NEXT,
 782
 783   IMG_SPEED_PILL,                       -1,                     HA_NEXT,
 784
 785   HA_END
 786 };
 787 static char *helpscreen_eltext[][2] =
 788 {
 789  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 790  {"Normal sand:",                       "You can dig through it"},
 791  {"Empty field:",                       "You can walk through it"},
 792  {"Quicksand: You cannot pass it,",     "but rocks can fall through it"},
 793  {"Massive Wall:",                      "Nothing can go through it"},
 794  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 795  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 796  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 797  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 798  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 799  {"Emerald: You must collect enough of","them to finish a level"},
 800  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 801  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 802  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 803  {"Rock: Smashes several things;",      "Can be moved by the player"},
 804  {"Bomb: You can move it, but be",      "careful when dropping it"},
 805  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 806  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 807  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 808  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 809  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 810  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 811  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 812  {"Door: Can be opened by the key",     "with the same color"},
 813  {"Door: You have to find out the",     "right color of the key for it"},
 814  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 815  {"Dynamite: This one explodes after",  "a few seconds"},
 816  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 817  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 818  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 819  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 820  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 821  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 822  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 823  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 824  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 825  {"Cruncher (BD style):",               "Eats almost everything"},
 826  {"Robot: Tries to kill the player",    ""},
 827  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 828  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 829  {"The Pig: Harmless, but eats all",    "gems it can get"},
 830  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 831  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 832  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 833  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 834  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 835  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 836  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 837  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 838  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 839  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 840  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 841  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 842  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 843  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 844  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 845  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 846  {"Sokoban element: Object which must", "be pushed to an empty field"},
 847  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 848  {"Sokoban element: Field with object", "which can be pushed away"},
 849  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 850 };
 851 static int num_helpscreen_els = sizeof(helpscreen_eltext) / (2*sizeof(char *));
 852
 853 static char *helpscreen_music[][3] =
 854 {
 855   { "Alchemy",                  "Ian Boddy",            "Drive" },
 856   { "The Chase",                "Propaganda",           "A Secret Wish" },
 857   { "Network 23",               "Tangerine Dream",      "Exit" },
 858   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 859   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 860   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 861   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 862 };
 863 static int num_helpscreen_music = 7;
 864 static int helpscreen_musicpos;
 865
 866 #if 0
 867 void OLD_DrawHelpScreenElAction(int start)
 868 {
 869   int i = 0, j = 0;
 870   int frame, graphic;
 871   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 872
 873   while(helpscreen_action[j] != HA_END)
 874   {
 875     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 876       break;
 877     else if (i<start || helpscreen_delay[i-start])
 878     {
 879       if (i>=start && helpscreen_delay[i-start])
 880         helpscreen_delay[i-start]--;
 881
 882       while(helpscreen_action[j] != HA_NEXT)
 883         j++;
 884       j++;
 885       i++;
 886       continue;
 887     }
 888
 889     j += 3*helpscreen_step[i-start];
 890     graphic = helpscreen_action[j++];
 891
 892     if (helpscreen_frame[i-start])
 893     {
 894       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 895       helpscreen_frame[i-start]--;
 896     }
 897     else
 898     {
 899       frame = 0;
 900       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 901     }
 902
 903     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 904
 905     if (helpscreen_action[j] == HA_NEXT)
 906     {
 907       if (!helpscreen_frame[i-start])
 908         helpscreen_step[i-start] = 0;
 909     }
 910     else
 911     {
 912       if (!helpscreen_frame[i-start])
 913         helpscreen_step[i-start]++;
 914       while(helpscreen_action[j] != HA_NEXT)
 915         j++;
 916     }
 917     j++;
 918
 919     DrawOldGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 920     i++;
 921   }
 922
 923   for(i=2;i<16;i++)
 924   {
 925     MarkTileDirty(0,i);
 926     MarkTileDirty(1,i);
 927   }
 928 }
 929 #endif
 930
 931 void DrawHelpScreenElAction(int start)
 932 {
 933   int i = 0, j = 0;
 934   int xstart = SX + 16;
 935   int ystart = SY + 64 + 2 * 32;
 936   int ystep = TILEY + 4;
 937   int graphic;
 938   int frame_count;
 939   int sync_frame;
 940   int frame;
 941
 942   while (helpscreen_action[j] != HA_END)
 943   {
 944     if (i >= start + MAX_HELPSCREEN_ELS || i >= num_helpscreen_els)
 945       break;
 946     else if (i < start)
 947     {
 948       while (helpscreen_action[j] != HA_NEXT)
 949         j++;
 950
 951       j++;
 952       i++;
 953
 954       continue;
 955     }
 956
 957     j += 2 * helpscreen_step[i-start];
 958     graphic = helpscreen_action[j++];
 959     frame_count = helpscreen_action[j++];
 960     if (frame_count == -1)
 961       frame_count = 1000000;
 962
 963     if (helpscreen_frame[i-start] == 0)
 964     {
 965       sync_frame = 0;
 966       helpscreen_frame[i-start] = frame_count - 1;
 967     }
 968     else
 969     {
 970       sync_frame = frame_count - helpscreen_frame[i-start];
 971       helpscreen_frame[i-start]--;
 972     }
 973
 974     if (helpscreen_action[j] == HA_NEXT)
 975     {
 976       if (!helpscreen_frame[i-start])
 977         helpscreen_step[i-start] = 0;
 978     }
 979     else
 980     {
 981       if (!helpscreen_frame[i-start])
 982         helpscreen_step[i-start]++;
 983       while(helpscreen_action[j] != HA_NEXT)
 984         j++;
 985     }
 986     j++;
 987
 988     frame = getGraphicAnimationFrame(graphic, sync_frame);
 989
 990     DrawGraphicExt(drawto, xstart, ystart + (i-start) * ystep,
 991                    graphic, frame);
 992
 993     i++;
 994   }
 995
 996   for(i=2; i<16; i++)
 997   {
 998     MarkTileDirty(0, i);
 999     MarkTileDirty(1, i);
1000   }
1001
1002   FrameCounter++;
1003 }
1004
1005 void DrawHelpScreenElText(int start)
1006 {
1007   int i;
1008   int xstart = SX + 56, ystart = SY + 65 + 2 * 32, ystep = TILEY + 4;
1009   int ybottom = SYSIZE - 20;
1010
1011   ClearWindow();
1012   DrawHeadline();
1013
1014   DrawTextFCentered(100, FC_GREEN, "The game elements:");
1015
1016   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
1017   {
1018     DrawText(xstart,
1019              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
1020              helpscreen_eltext[i][0], FS_SMALL, FC_YELLOW);
1021     DrawText(xstart, ystart + (i - start) * ystep + 16,
1022              helpscreen_eltext[i][1], FS_SMALL, FC_YELLOW);
1023   }
1024
1025   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
1026 }
1027
1028 void DrawHelpScreenMusicText(int num)
1029 {
1030   int ystart = 150, ystep = 30;
1031   int ybottom = SYSIZE - 20;
1032
1033   FadeSounds();
1034   ClearWindow();
1035   DrawHeadline();
1036
1037   DrawTextFCentered(100, FC_GREEN, "The game background music loops:");
1038
1039   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
1040                     "Excerpt from");
1041   DrawTextFCentered(ystart + 1 * ystep, FC_RED, "\"%s\"",
1042                     helpscreen_music[num][0]);
1043   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
1044                     "by");
1045   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
1046                     "%s", helpscreen_music[num][1]);
1047   DrawTextFCentered(ystart + 4 * ystep, FC_YELLOW,
1048                     "from the album");
1049   DrawTextFCentered(ystart + 5 * ystep, FC_RED, "\"%s\"",
1050                     helpscreen_music[num][2]);
1051
1052   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
1053
1054 #if 0
1055   PlaySoundLoop(background_loop[num]);
1056 #endif
1057 }
1058
1059 void DrawHelpScreenCreditsText()
1060 {
1061   int ystart = 150, ystep = 30;
1062   int ybottom = SYSIZE - 20;
1063
1064   FadeSounds();
1065   ClearWindow();
1066   DrawHeadline();
1067
1068   DrawTextFCentered(100, FC_GREEN,
1069                     "Credits:");
1070   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
1071                     "DOS port of the game:");
1072   DrawTextFCentered(ystart + 1 * ystep, FC_RED,
1073                     "Guido Schulz");
1074   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
1075                     "Additional toons:");
1076   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
1077                     "Karl Hörnell");
1078   DrawTextFCentered(ystart + 5 * ystep, FC_YELLOW,
1079                     "...and many thanks to all contributors");
1080   DrawTextFCentered(ystart + 6 * ystep, FC_YELLOW,
1081                     "of new levels!");
1082
1083   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
1084 }
1085
1086 void DrawHelpScreenContactText()
1087 {
1088   int ystart = 150, ystep = 30;
1089   int ybottom = SYSIZE - 20;
1090
1091   ClearWindow();
1092   DrawHeadline();
1093
1094   DrawTextFCentered(100, FC_GREEN, "Program information:");
1095
1096   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
1097                     "This game is Freeware!");
1098   DrawTextFCentered(ystart + 1 * ystep, FC_YELLOW,
1099                     "If you like it, send e-mail to:");
1100   DrawTextFCentered(ystart + 2 * ystep, FC_RED,
1101                     "info@artsoft.org");
1102   DrawTextFCentered(ystart + 3 * ystep, FC_YELLOW,
1103                     "or SnailMail to:");
1104   DrawTextFCentered(ystart + 4 * ystep + 0, FC_RED,
1105                     "Holger Schemel");
1106   DrawTextFCentered(ystart + 4 * ystep + 20, FC_RED,
1107                     "Detmolder Strasse 189");
1108   DrawTextFCentered(ystart + 4 * ystep + 40, FC_RED,
1109                     "33604 Bielefeld");
1110   DrawTextFCentered(ystart + 4 * ystep + 60, FC_RED,
1111                     "Germany");
1112
1113   DrawTextFCentered(ystart + 7 * ystep, FC_YELLOW,
1114                     "If you have created new levels,");
1115   DrawTextFCentered(ystart + 8 * ystep, FC_YELLOW,
1116                     "send them to me to include them!");
1117   DrawTextFCentered(ystart + 9 * ystep, FC_YELLOW,
1118                     ":-)");
1119
1120   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for main menu");
1121 }
1122
1123 void DrawHelpScreen()
1124 {
1125   int i;
1126
1127   UnmapAllGadgets();
1128   CloseDoor(DOOR_CLOSE_2);
1129
1130   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1131     helpscreen_step[i] = helpscreen_frame[i] = 0;
1132   helpscreen_musicpos = 0;
1133   helpscreen_state = 0;
1134   DrawHelpScreenElText(0);
1135   DrawHelpScreenElAction(0);
1136
1137   FadeToFront();
1138   InitAnimation();
1139   PlaySoundLoop(SND_MENU_INFO_SCREEN);
1140 }
1141
1142 void HandleHelpScreen(int button)
1143 {
1144   static unsigned long hs_delay = 0;
1145   int num_helpscreen_els_pages =
1146     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
1147   int button_released = !button;
1148   int i;
1149
1150   if (button_released)
1151   {
1152     if (helpscreen_state < num_helpscreen_els_pages - 1)
1153     {
1154       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1155         helpscreen_step[i] = helpscreen_frame[i] = 0;
1156       helpscreen_state++;
1157
1158       FrameCounter = 0;
1159       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
1160       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1161     }
1162     else if (helpscreen_state <
1163              num_helpscreen_els_pages + num_helpscreen_music - 1)
1164     {
1165       helpscreen_state++;
1166       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
1167     }
1168     else if (helpscreen_state ==
1169              num_helpscreen_els_pages + num_helpscreen_music - 1)
1170     {
1171       helpscreen_state++;
1172       DrawHelpScreenCreditsText();
1173     }
1174     else if (helpscreen_state ==
1175              num_helpscreen_els_pages + num_helpscreen_music)
1176     {
1177       helpscreen_state++;
1178       DrawHelpScreenContactText();
1179     }
1180     else
1181     {
1182       FadeSounds();
1183       DrawMainMenu();
1184       game_status = MAINMENU;
1185     }
1186   }
1187   else
1188   {
1189     if (DelayReached(&hs_delay, GAME_FRAME_DELAY))
1190     {
1191       if (helpscreen_state < num_helpscreen_els_pages)
1192         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1193     }
1194
1195     /* !!! workaround for playing "music" that is really a sound loop (and
1196        must therefore periodically be reactivated with the current sound
1197        engine !!! */
1198     PlaySoundLoop(SND_MENU_INFO_SCREEN);
1199
1200     DoAnimation();
1201   }
1202
1203   BackToFront();
1204 }
1205
1206 void HandleTypeName(int newxpos, Key key)
1207 {
1208   static int xpos = 0, ypos = 2;
1209
1210   if (newxpos)
1211   {
1212     xpos = newxpos;
1213     DrawText(SX + 6 * 32, SY + ypos * 32, setup.player_name,
1214              FS_BIG, FC_YELLOW);
1215     drawCursorXY(xpos + 6, ypos - 2, IMG_BALL_RED);
1216
1217     return;
1218   }
1219
1220   if (((key >= KSYM_A && key <= KSYM_Z) ||
1221        (key >= KSYM_a && key <= KSYM_z)) &&
1222       xpos < MAX_PLAYER_NAME_LEN)
1223   {
1224     char ascii;
1225
1226     if (key >= KSYM_A && key <= KSYM_Z)
1227       ascii = 'A' + (char)(key - KSYM_A);
1228     else
1229       ascii = 'a' + (char)(key - KSYM_a);
1230
1231     setup.player_name[xpos] = ascii;
1232     setup.player_name[xpos + 1] = 0;
1233     xpos++;
1234
1235     DrawText(SX + 6 * 32, SY + ypos * 32, setup.player_name,
1236              FS_BIG, FC_YELLOW);
1237     drawCursorXY(xpos + 6, ypos - 2, IMG_BALL_RED);
1238   }
1239   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
1240   {
1241     xpos--;
1242     setup.player_name[xpos] = 0;
1243
1244     DrawBackground(SX + (xpos + 6) * 32, SY + ypos * 32, 2 * TILEX, TILEY);
1245     drawCursorXY(xpos + 6, ypos - 2, IMG_BALL_RED);
1246   }
1247   else if (key == KSYM_Return && xpos > 0)
1248   {
1249     DrawText(SX + 6 * 32, SY + ypos * 32, setup.player_name, FS_BIG, FC_RED);
1250     DrawBackground(SX + (xpos + 6) * 32, SY + ypos * 32, TILEX, TILEY);
1251
1252     SaveSetup();
1253     game_status = MAINMENU;
1254   }
1255
1256   BackToFront();
1257 }
1258
1259 static void DrawChooseTree(TreeInfo **ti_ptr)
1260 {
1261   UnmapAllGadgets();
1262   CloseDoor(DOOR_CLOSE_2);
1263
1264   ClearWindow();
1265   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
1266   MapChooseTreeGadgets(*ti_ptr);
1267
1268   FadeToFront();
1269   InitAnimation();
1270 }
1271
1272 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1273 {
1274   struct GadgetInfo *gi = screen_gadget[id];
1275   int items_max, items_visible, item_position;
1276
1277   items_max = numTreeInfoInGroup(ti);
1278   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1279   item_position = first_entry;
1280
1281   if (item_position > items_max - items_visible)
1282     item_position = items_max - items_visible;
1283
1284   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1285                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1286 }
1287
1288 static void drawChooseTreeList(int first_entry, int num_page_entries,
1289                                TreeInfo *ti)
1290 {
1291   int i;
1292   char buffer[SCR_FIELDX * 2];
1293   int max_buffer_len = (SCR_FIELDX - 2) * 2;
1294   int num_entries = numTreeInfoInGroup(ti);
1295   char *title_string = NULL;
1296   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
1297
1298   DrawBackground(SX, SY, SXSIZE - 32, SYSIZE);
1299   redraw_mask |= REDRAW_FIELD;
1300
1301   title_string =
1302     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
1303      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
1304      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
1305      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
1306
1307   DrawText(SX + offset, SY + offset, title_string, FS_BIG,
1308            (ti->type == TREE_TYPE_LEVEL_DIR ? FC_GREEN : FC_YELLOW));
1309
1310   for(i=0; i<num_page_entries; i++)
1311   {
1312     TreeInfo *node, *node_first;
1313     int entry_pos = first_entry + i;
1314     int ypos = MENU_SCREEN_START_YPOS + i;
1315
1316     node_first = getTreeInfoFirstGroupEntry(ti);
1317     node = getTreeInfoFromPos(node_first, entry_pos);
1318
1319     strncpy(buffer, node->name , max_buffer_len);
1320     buffer[max_buffer_len] = '\0';
1321
1322     DrawText(SX + 32, SY + ypos * 32, buffer, FS_MEDIUM, node->color);
1323
1324     if (node->parent_link)
1325       initCursor(i, IMG_ARROW_BLUE_LEFT);
1326     else if (node->level_group)
1327       initCursor(i, IMG_ARROW_BLUE_RIGHT);
1328     else
1329       initCursor(i, IMG_BALL_BLUE);
1330   }
1331
1332   if (first_entry > 0)
1333   {
1334     int ypos = 1;
1335
1336     DrawBackground(SX, SY + ypos * 32, TILEX, TILEY);
1337     DrawGraphicThruMask(0, ypos, IMG_ARROW_BLUE_UP, 0);
1338   }
1339
1340   if (first_entry + num_page_entries < num_entries)
1341   {
1342     int ypos = MAX_MENU_ENTRIES_ON_SCREEN + 1;
1343
1344     DrawBackground(SX, SY + ypos * 32, TILEX, TILEY);
1345     DrawGraphicThruMask(0, ypos, IMG_ARROW_BLUE_DOWN, 0);
1346   }
1347 }
1348
1349 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1350 {
1351   TreeInfo *node, *node_first;
1352   int x, last_redraw_mask = redraw_mask;
1353
1354   if (ti->type != TREE_TYPE_LEVEL_DIR)
1355     return;
1356
1357   node_first = getTreeInfoFirstGroupEntry(ti);
1358   node = getTreeInfoFromPos(node_first, entry_pos);
1359
1360   DrawBackground(SX + 32, SY + 32, SXSIZE - 64, 32);
1361
1362   if (node->parent_link)
1363     DrawTextFCentered(40, FC_RED, "leave group \"%s\"", node->class_desc);
1364   else if (node->level_group)
1365     DrawTextFCentered(40, FC_RED, "enter group \"%s\"", node->class_desc);
1366   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1367     DrawTextFCentered(40, FC_RED, "%3d levels (%s)",
1368                       node->levels, node->class_desc);
1369
1370   /* let BackToFront() redraw only what is needed */
1371   redraw_mask = last_redraw_mask | REDRAW_TILES;
1372   for (x=0; x<SCR_FIELDX; x++)
1373     MarkTileDirty(x, 1);
1374 }
1375
1376 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1377                              TreeInfo **ti_ptr)
1378 {
1379   static unsigned long choose_delay = 0;
1380   TreeInfo *ti = *ti_ptr;
1381   int x = 0;
1382   int y = ti->cl_cursor;
1383   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1384   int num_entries = numTreeInfoInGroup(ti);
1385   int num_page_entries;
1386
1387   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1388     num_page_entries = num_entries;
1389   else
1390     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1391
1392   if (button == MB_MENU_INITIALIZE)
1393   {
1394     int entry_pos = posTreeInfo(ti);
1395
1396     if (ti->cl_first == -1)
1397     {
1398       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1399       ti->cl_cursor =
1400         entry_pos - ti->cl_first;
1401     }
1402
1403     if (dx == 999)      /* first entry is set by scrollbar position */
1404       ti->cl_first = dy;
1405     else
1406       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1407                                 ti->cl_first, ti);
1408
1409     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1410     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1411     drawCursor(ti->cl_cursor, FC_RED);
1412     return;
1413   }
1414   else if (button == MB_MENU_LEAVE)
1415   {
1416     if (ti->node_parent)
1417     {
1418       *ti_ptr = ti->node_parent;
1419       DrawChooseTree(ti_ptr);
1420     }
1421     else if (game_status == SETUP)
1422     {
1423       execSetupArtwork();
1424     }
1425     else
1426     {
1427       game_status = MAINMENU;
1428       DrawMainMenu();
1429     }
1430
1431     return;
1432   }
1433
1434   if (mx || my)         /* mouse input */
1435   {
1436     x = (mx - SX) / 32;
1437     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1438   }
1439   else if (dx || dy)    /* keyboard input */
1440   {
1441     if (dy)
1442       y = ti->cl_cursor + dy;
1443
1444     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1445     {
1446       dy = SIGN(dy);
1447       step = num_page_entries - 1;
1448       y = (dy < 0 ? -1 : num_page_entries);
1449     }
1450   }
1451
1452   if (x == 0 && y == -1)
1453   {
1454     if (ti->cl_first > 0 &&
1455         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1456     {
1457       ti->cl_first -= step;
1458       if (ti->cl_first < 0)
1459         ti->cl_first = 0;
1460
1461       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1462       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1463       drawCursor(ti->cl_cursor, FC_RED);
1464       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1465                                 ti->cl_first, ti);
1466       return;
1467     }
1468   }
1469   else if (x == 0 && y > num_page_entries - 1)
1470   {
1471     if (ti->cl_first + num_page_entries < num_entries &&
1472         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1473     {
1474       ti->cl_first += step;
1475       if (ti->cl_first + num_page_entries > num_entries)
1476         ti->cl_first = MAX(0, num_entries - num_page_entries);
1477
1478       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1479       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1480       drawCursor(ti->cl_cursor, FC_RED);
1481       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1482                                 ti->cl_first, ti);
1483       return;
1484     }
1485   }
1486
1487   if (dx == 1)
1488   {
1489     TreeInfo *node_first, *node_cursor;
1490     int entry_pos = ti->cl_first + y;
1491
1492     node_first = getTreeInfoFirstGroupEntry(ti);
1493     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1494
1495     if (node_cursor->node_group)
1496     {
1497       node_cursor->cl_first = ti->cl_first;
1498       node_cursor->cl_cursor = ti->cl_cursor;
1499       *ti_ptr = node_cursor->node_group;
1500       DrawChooseTree(ti_ptr);
1501       return;
1502     }
1503   }
1504   else if (dx == -1 && ti->node_parent)
1505   {
1506     *ti_ptr = ti->node_parent;
1507     DrawChooseTree(ti_ptr);
1508     return;
1509   }
1510
1511   if (x == 0 && y >= 0 && y < num_page_entries)
1512   {
1513     if (button)
1514     {
1515       if (y != ti->cl_cursor)
1516       {
1517         drawCursor(y, FC_RED);
1518         drawCursor(ti->cl_cursor, FC_BLUE);
1519         drawChooseTreeInfo(ti->cl_first + y, ti);
1520         ti->cl_cursor = y;
1521       }
1522     }
1523     else
1524     {
1525       TreeInfo *node_first, *node_cursor;
1526       int entry_pos = ti->cl_first + y;
1527
1528       node_first = getTreeInfoFirstGroupEntry(ti);
1529       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1530
1531       if (node_cursor->node_group)
1532       {
1533         node_cursor->cl_first = ti->cl_first;
1534         node_cursor->cl_cursor = ti->cl_cursor;
1535         *ti_ptr = node_cursor->node_group;
1536         DrawChooseTree(ti_ptr);
1537       }
1538       else if (node_cursor->parent_link)
1539       {
1540         *ti_ptr = node_cursor->node_parent;
1541         DrawChooseTree(ti_ptr);
1542       }
1543       else
1544       {
1545         node_cursor->cl_first = ti->cl_first;
1546         node_cursor->cl_cursor = ti->cl_cursor;
1547         *ti_ptr = node_cursor;
1548
1549         if (ti->type == TREE_TYPE_LEVEL_DIR)
1550         {
1551           LoadLevelSetup_SeriesInfo();
1552
1553           SaveLevelSetup_LastSeries();
1554           SaveLevelSetup_SeriesInfo();
1555           TapeErase();
1556         }
1557
1558         if (game_status == SETUP)
1559         {
1560           execSetupArtwork();
1561         }
1562         else
1563         {
1564           game_status = MAINMENU;
1565           DrawMainMenu();
1566         }
1567       }
1568     }
1569   }
1570
1571   BackToFront();
1572
1573   if (game_status == CHOOSELEVEL || game_status == SETUP)
1574     DoAnimation();
1575 }
1576
1577 void DrawChooseLevel()
1578 {
1579   DrawChooseTree(&leveldir_current);
1580 }
1581
1582 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1583 {
1584   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1585 }
1586
1587 void DrawHallOfFame(int highlight_position)
1588 {
1589   UnmapAllGadgets();
1590   FadeSounds();
1591   CloseDoor(DOOR_CLOSE_2);
1592
1593   if (highlight_position < 0)
1594     LoadScore(level_nr);
1595
1596   FadeToFront();
1597   InitAnimation();
1598   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1599   PlaySound(SND_MENU_HALL_OF_FAME);
1600 }
1601
1602 static void drawHallOfFameList(int first_entry, int highlight_position)
1603 {
1604   int i;
1605
1606   ClearWindow();
1607   DrawText(SX + 80, SY + 8, "Hall Of Fame", FS_BIG, FC_YELLOW);
1608   DrawTextFCentered(46, FC_RED, "HighScores of Level %d", level_nr);
1609
1610   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1611   {
1612     int entry = first_entry + i;
1613     int color = (entry == highlight_position ? FC_RED : FC_GREEN);
1614
1615 #if 0
1616     DrawText(SX, SY + 64 + i * 32, ".................", FS_BIG, color);
1617     DrawText(SX, SY + 64 + i * 32, highscore[i].Name, FS_BIG, color);
1618     DrawText(SX + 12 * 32, SY + 64 + i * 32,
1619              int2str(highscore[i].Score, 5), FS_BIG, color);
1620 #else
1621     DrawText(SX, SY + 64 + i * 32, "..................................",
1622              FS_MEDIUM, FC_YELLOW);
1623     DrawText(SX, SY + 64 + i * 32, int2str(entry + 1, 3),
1624              FS_MEDIUM, FC_YELLOW);
1625     DrawText(SX + 64, SY + 64 + i * 32, highscore[entry].Name, FS_BIG, color);
1626     DrawText(SX + 14 * 32 + 16, SY + 64 + i * 32,
1627              int2str(highscore[entry].Score, 5), FS_MEDIUM, color);
1628 #endif
1629   }
1630 }
1631
1632 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1633 {
1634   static int first_entry = 0;
1635   static int highlight_position = 0;
1636   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1637   int button_released = !button;
1638
1639   if (button == MB_MENU_INITIALIZE)
1640   {
1641     first_entry = 0;
1642     highlight_position = mx;
1643     drawHallOfFameList(first_entry, highlight_position);
1644     return;
1645   }
1646
1647   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1648     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1649
1650   if (dy < 0)
1651   {
1652     if (first_entry > 0)
1653     {
1654       first_entry -= step;
1655       if (first_entry < 0)
1656         first_entry = 0;
1657
1658       drawHallOfFameList(first_entry, highlight_position);
1659       return;
1660     }
1661   }
1662   else if (dy > 0)
1663   {
1664     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1665     {
1666       first_entry += step;
1667       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1668         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1669
1670       drawHallOfFameList(first_entry, highlight_position);
1671       return;
1672     }
1673   }
1674
1675   if (button_released)
1676   {
1677     FadeSound(SND_MENU_HALL_OF_FAME);
1678     game_status = MAINMENU;
1679     DrawMainMenu();
1680   }
1681
1682   BackToFront();
1683
1684   if (game_status == HALLOFFAME)
1685     DoAnimation();
1686 }
1687
1688
1689 /* ========================================================================= */
1690 /* setup screen functions                                                    */
1691 /* ========================================================================= */
1692
1693 static struct TokenInfo *setup_info;
1694 static int num_setup_info;
1695
1696 static char *graphics_set_name;
1697 static char *sounds_set_name;
1698 static char *music_set_name;
1699
1700 static void execSetupMain()
1701 {
1702   setup_mode = SETUP_MODE_MAIN;
1703   DrawSetupScreen();
1704 }
1705
1706 static void execSetupGame()
1707 {
1708   setup_mode = SETUP_MODE_GAME;
1709   DrawSetupScreen();
1710 }
1711
1712 static void execSetupEditor()
1713 {
1714   setup_mode = SETUP_MODE_EDITOR;
1715   DrawSetupScreen();
1716 }
1717
1718 static void execSetupGraphics()
1719 {
1720   setup_mode = SETUP_MODE_GRAPHICS;
1721   DrawSetupScreen();
1722 }
1723
1724 static void execSetupSound()
1725 {
1726   setup_mode = SETUP_MODE_SOUND;
1727   DrawSetupScreen();
1728 }
1729
1730 static void execSetupArtwork()
1731 {
1732   /* needed if last screen (setup choice) changed graphics, sounds or music */
1733   ReloadCustomArtwork();
1734
1735   setup.graphics_set = artwork.gfx_current->identifier;
1736   setup.sounds_set = artwork.snd_current->identifier;
1737   setup.music_set = artwork.mus_current->identifier;
1738
1739   /* needed for displaying artwork name instead of artwork identifier */
1740   graphics_set_name = artwork.gfx_current->name;
1741   sounds_set_name = artwork.snd_current->name;
1742   music_set_name = artwork.mus_current->name;
1743
1744   setup_mode = SETUP_MODE_ARTWORK;
1745   DrawSetupScreen();
1746 }
1747
1748 static void execSetupChooseGraphics()
1749 {
1750   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1751   DrawSetupScreen();
1752 }
1753
1754 static void execSetupChooseSounds()
1755 {
1756   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1757   DrawSetupScreen();
1758 }
1759
1760 static void execSetupChooseMusic()
1761 {
1762   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1763   DrawSetupScreen();
1764 }
1765
1766 static void execSetupInput()
1767 {
1768   setup_mode = SETUP_MODE_INPUT;
1769   DrawSetupScreen();
1770 }
1771
1772 static void execSetupShortcut()
1773 {
1774   setup_mode = SETUP_MODE_SHORTCUT;
1775   DrawSetupScreen();
1776 }
1777
1778 static void execExitSetup()
1779 {
1780   game_status = MAINMENU;
1781   DrawMainMenu();
1782 }
1783
1784 static void execSaveAndExitSetup()
1785 {
1786   SaveSetup();
1787   execExitSetup();
1788 }
1789
1790 static struct TokenInfo setup_info_main[] =
1791 {
1792   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1793   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor Settings"       },
1794   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1795   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1796   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1797   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1798   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1799   { TYPE_EMPTY,         NULL,                   ""                      },
1800   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1801   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
1802   { 0,                  NULL,                   NULL                    }
1803 };
1804
1805 static struct TokenInfo setup_info_game[] =
1806 {
1807   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1808   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1809   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1810   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1811   { TYPE_EMPTY,         NULL,                   ""                      },
1812   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1813   { 0,                  NULL,                   NULL                    }
1814 };
1815
1816 static struct TokenInfo setup_info_editor[] =
1817 {
1818   { TYPE_STRING,        NULL,                   "Offer Special Elements:"},
1819   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "BoulderDash:"  },
1820   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
1821   { TYPE_SWITCH,        &setup.editor.el_more,          "More:"         },
1822   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
1823   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
1824   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamd. Caves:" },
1825   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX Boulderd.:" },
1826   { TYPE_SWITCH,        &setup.editor.el_chars,         "Characters:"   },
1827   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom:"       },
1828   { TYPE_EMPTY,         NULL,                   ""                      },
1829   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1830   { 0,                  NULL,                   NULL                    }
1831 };
1832
1833 static struct TokenInfo setup_info_graphics[] =
1834 {
1835   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1836   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1837   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1838 #if 0
1839   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1840   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1841 #endif
1842   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1843   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1844   { TYPE_EMPTY,         NULL,                   ""                      },
1845   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1846   { 0,                  NULL,                   NULL                    }
1847 };
1848
1849 static struct TokenInfo setup_info_sound[] =
1850 {
1851   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1852   { TYPE_EMPTY,         NULL,                   ""                      },
1853   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1854   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1855   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1856   { TYPE_EMPTY,         NULL,                   ""                      },
1857   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1858   { 0,                  NULL,                   NULL                    }
1859 };
1860
1861 static struct TokenInfo setup_info_artwork[] =
1862 {
1863   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1864   { TYPE_STRING,        &graphics_set_name,     ""                      },
1865   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1866   { TYPE_STRING,        &sounds_set_name,       ""                      },
1867   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1868   { TYPE_STRING,        &music_set_name,        ""                      },
1869   { TYPE_EMPTY,         NULL,                   ""                      },
1870   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1871   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1872   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1873   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1874   { TYPE_EMPTY,         NULL,                   ""                      },
1875   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1876   { 0,                  NULL,                   NULL                    }
1877 };
1878
1879 static struct TokenInfo setup_info_shortcut[] =
1880 {
1881   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1882   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1883   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1884   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1885   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1886   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1887   { TYPE_EMPTY,         NULL,                   ""                      },
1888   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1889   { TYPE_EMPTY,         NULL,                   ""                      },
1890   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1891   { 0,                  NULL,                   NULL                    }
1892 };
1893
1894 static Key getSetupKey()
1895 {
1896   Key key = KSYM_UNDEFINED;
1897   boolean got_key_event = FALSE;
1898
1899   while (!got_key_event)
1900   {
1901     if (PendingEvent())         /* got event */
1902     {
1903       Event event;
1904
1905       NextEvent(&event);
1906
1907       switch(event.type)
1908       {
1909         case EVENT_KEYPRESS:
1910           {
1911             key = GetEventKey((KeyEvent *)&event, TRUE);
1912
1913             /* press 'Escape' or 'Enter' to keep the existing key binding */
1914             if (key == KSYM_Escape || key == KSYM_Return)
1915               key = KSYM_UNDEFINED;     /* keep old value */
1916
1917             got_key_event = TRUE;
1918           }
1919           break;
1920
1921         case EVENT_KEYRELEASE:
1922           key_joystick_mapping = 0;
1923           break;
1924
1925         default:
1926           HandleOtherEvents(&event);
1927           break;
1928       }
1929     }
1930
1931     BackToFront();
1932     DoAnimation();
1933
1934     /* don't eat all CPU time */
1935     Delay(10);
1936   }
1937
1938   return key;
1939 }
1940
1941 static void drawSetupValue(int pos)
1942 {
1943   int xpos = MENU_SCREEN_VALUE_XPOS;
1944   int ypos = MENU_SCREEN_START_YPOS + pos;
1945   int font_size = FS_BIG;
1946   int font_color = FC_YELLOW;
1947   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1948                                      setup_info[pos].value);
1949
1950   if (value_string == NULL)
1951     return;
1952
1953   if (setup_info[pos].type & TYPE_KEY)
1954   {
1955     xpos = 3;
1956
1957     if (setup_info[pos].type & TYPE_QUERY)
1958     {
1959       value_string = "<press key>";
1960       font_color = FC_RED;
1961     }
1962   }
1963   else if (setup_info[pos].type & TYPE_STRING)
1964   {
1965     int max_value_len = (SCR_FIELDX - 2) * 2;
1966
1967     xpos = 1;
1968     font_size = FS_MEDIUM;
1969
1970     if (strlen(value_string) > max_value_len)
1971       value_string[max_value_len] = '\0';
1972   }
1973   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
1974            !*(boolean *)(setup_info[pos].value))
1975     font_color = FC_BLUE;
1976
1977   DrawText(SX + xpos * 32, SY + ypos * 32,
1978            (xpos == 3 ? "              " : "   "), FS_BIG, FC_YELLOW);
1979   DrawText(SX + xpos * 32, SY + ypos * 32, value_string, font_size,font_color);
1980 }
1981
1982 static void changeSetupValue(int pos)
1983 {
1984   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1985   {
1986     *(boolean *)setup_info[pos].value ^= TRUE;
1987   }
1988   else if (setup_info[pos].type & TYPE_KEY)
1989   {
1990     Key key;
1991
1992     setup_info[pos].type |= TYPE_QUERY;
1993     drawSetupValue(pos);
1994     setup_info[pos].type &= ~TYPE_QUERY;
1995
1996     key = getSetupKey();
1997     if (key != KSYM_UNDEFINED)
1998       *(Key *)setup_info[pos].value = key;
1999   }
2000
2001   drawSetupValue(pos);
2002 }
2003
2004 static void DrawSetupScreen_Generic()
2005 {
2006   char *title_string = NULL;
2007   int i;
2008
2009   UnmapAllGadgets();
2010   CloseDoor(DOOR_CLOSE_2);
2011   ClearWindow();
2012
2013   if (setup_mode == SETUP_MODE_MAIN)
2014   {
2015     setup_info = setup_info_main;
2016     title_string = "Setup";
2017   }
2018   else if (setup_mode == SETUP_MODE_GAME)
2019   {
2020     setup_info = setup_info_game;
2021     title_string = "Setup Game";
2022   }
2023   else if (setup_mode == SETUP_MODE_EDITOR)
2024   {
2025     setup_info = setup_info_editor;
2026     title_string = "Setup Editor";
2027   }
2028   else if (setup_mode == SETUP_MODE_GRAPHICS)
2029   {
2030     setup_info = setup_info_graphics;
2031     title_string = "Setup Graphics";
2032   }
2033   else if (setup_mode == SETUP_MODE_SOUND)
2034   {
2035     setup_info = setup_info_sound;
2036     title_string = "Setup Sound";
2037   }
2038   else if (setup_mode == SETUP_MODE_ARTWORK)
2039   {
2040     setup_info = setup_info_artwork;
2041     title_string = "Custom Artwork";
2042   }
2043   else if (setup_mode == SETUP_MODE_SHORTCUT)
2044   {
2045     setup_info = setup_info_shortcut;
2046     title_string = "Setup Shortcuts";
2047   }
2048
2049   DrawText(SX + 16, SY + 16, title_string, FS_BIG, FC_YELLOW);
2050
2051   num_setup_info = 0;
2052   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
2053   {
2054     void *value_ptr = setup_info[i].value;
2055     int ypos = MENU_SCREEN_START_YPOS + i;
2056     int font_size = FS_BIG;
2057
2058     /* set some entries to "unchangeable" according to other variables */
2059     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
2060         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
2061         (value_ptr == &setup.sound_music && !audio.music_available) ||
2062         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
2063       setup_info[i].type |= TYPE_GHOSTED;
2064
2065     if (setup_info[i].type & TYPE_STRING)
2066       font_size = FS_MEDIUM;
2067
2068     DrawText(SX + 32, SY + ypos * 32, setup_info[i].text, font_size, FC_GREEN);
2069
2070     if (setup_info[i].type & TYPE_ENTER_MENU)
2071       initCursor(i, IMG_ARROW_BLUE_RIGHT);
2072     else if (setup_info[i].type & TYPE_LEAVE_MENU)
2073       initCursor(i, IMG_ARROW_BLUE_LEFT);
2074     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
2075       initCursor(i, IMG_BALL_BLUE);
2076
2077     if (setup_info[i].type & TYPE_VALUE)
2078       drawSetupValue(i);
2079
2080     num_setup_info++;
2081   }
2082
2083   FadeToFront();
2084   InitAnimation();
2085   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
2086 }
2087
2088 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
2089 {
2090   static int choice_store[MAX_SETUP_MODES];
2091   int choice = choice_store[setup_mode];        /* always starts with 0 */
2092   int x = 0;
2093   int y = choice;
2094
2095   if (button == MB_MENU_INITIALIZE)
2096   {
2097     /* advance to first valid menu entry */
2098     while (choice < num_setup_info &&
2099            (setup_info[choice].type & TYPE_SKIP_ENTRY))
2100       choice++;
2101     choice_store[setup_mode] = choice;
2102
2103     drawCursor(choice, FC_RED);
2104     return;
2105   }
2106   else if (button == MB_MENU_LEAVE)
2107   {
2108     for (y=0; y<num_setup_info; y++)
2109     {
2110       if (setup_info[y].type & TYPE_LEAVE_MENU)
2111       {
2112         void (*menu_callback_function)(void) = setup_info[y].value;
2113
2114         menu_callback_function();
2115         break;  /* absolutely needed because function changes 'setup_info'! */
2116       }
2117     }
2118
2119     return;
2120   }
2121
2122   if (mx || my)         /* mouse input */
2123   {
2124     x = (mx - SX) / 32;
2125     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
2126   }
2127   else if (dx || dy)    /* keyboard input */
2128   {
2129     if (dx)
2130     {
2131       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
2132
2133       if ((setup_info[choice].type & menu_navigation_type) ||
2134           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
2135         button = MB_MENU_CHOICE;
2136     }
2137     else if (dy)
2138       y = choice + dy;
2139
2140     /* jump to next non-empty menu entry (up or down) */
2141     while (y > 0 && y < num_setup_info - 1 &&
2142            (setup_info[y].type & TYPE_SKIP_ENTRY))
2143       y += dy;
2144   }
2145
2146   if (x == 0 && y >= 0 && y < num_setup_info &&
2147       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
2148   {
2149     if (button)
2150     {
2151       if (y != choice)
2152       {
2153         drawCursor(y, FC_RED);
2154         drawCursor(choice, FC_BLUE);
2155         choice = choice_store[setup_mode] = y;
2156       }
2157     }
2158     else if (!(setup_info[y].type & TYPE_GHOSTED))
2159     {
2160       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
2161       {
2162         void (*menu_callback_function)(void) = setup_info[choice].value;
2163
2164         menu_callback_function();
2165       }
2166       else
2167       {
2168         if ((setup_info[y].type & TYPE_KEYTEXT) &&
2169             (setup_info[y + 1].type & TYPE_KEY))
2170           y++;
2171
2172         if (setup_info[y].type & TYPE_VALUE)
2173           changeSetupValue(y);
2174       }
2175     }
2176   }
2177
2178   BackToFront();
2179
2180   if (game_status == SETUP)
2181     DoAnimation();
2182 }
2183
2184 void DrawSetupScreen_Input()
2185 {
2186   ClearWindow();
2187   DrawText(SX+16, SY+16, "Setup Input", FS_BIG, FC_YELLOW);
2188
2189   initCursor(0, IMG_BALL_BLUE);
2190   initCursor(1, IMG_BALL_BLUE);
2191   initCursor(2, IMG_ARROW_BLUE_RIGHT);
2192   initCursor(13, IMG_ARROW_BLUE_LEFT);
2193
2194   drawCursorXY(10, 0, IMG_ARROW_BLUE_LEFT);
2195   drawCursorXY(12, 0, IMG_ARROW_BLUE_RIGHT);
2196
2197   DrawText(SX+32, SY+2*32, "Player:", FS_BIG, FC_GREEN);
2198   DrawText(SX+32, SY+3*32, "Device:", FS_BIG, FC_GREEN);
2199   DrawText(SX+32, SY+15*32, "Back", FS_BIG, FC_GREEN);
2200
2201 #if 0
2202   DeactivateJoystickForCalibration();
2203   DrawTextFCentered(SYSIZE - 20, FC_BLUE,
2204                     "Joysticks deactivated on this screen");
2205 #endif
2206
2207   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
2208   FadeToFront();
2209   InitAnimation();
2210 }
2211
2212 static void setJoystickDeviceToNr(char *device_name, int device_nr)
2213 {
2214   if (device_name == NULL)
2215     return;
2216
2217   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
2218     device_nr = 0;
2219
2220   if (strlen(device_name) > 1)
2221   {
2222     char c1 = device_name[strlen(device_name) - 1];
2223     char c2 = device_name[strlen(device_name) - 2];
2224
2225     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
2226       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
2227   }
2228   else
2229     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
2230             strlen(device_name));
2231 }
2232
2233 static void drawPlayerSetupInputInfo(int player_nr)
2234 {
2235   int i;
2236   static struct SetupKeyboardInfo custom_key;
2237   static struct
2238   {
2239     Key *key;
2240     char *text;
2241   } custom[] =
2242   {
2243     { &custom_key.left,  "Joystick Left"  },
2244     { &custom_key.right, "Joystick Right" },
2245     { &custom_key.up,    "Joystick Up"    },
2246     { &custom_key.down,  "Joystick Down"  },
2247     { &custom_key.snap,  "Button 1"       },
2248     { &custom_key.bomb,  "Button 2"       }
2249   };
2250   static char *joystick_name[MAX_PLAYERS] =
2251   {
2252     "Joystick1",
2253     "Joystick2",
2254     "Joystick3",
2255     "Joystick4"
2256   };
2257
2258   custom_key = setup.input[player_nr].key;
2259
2260   DrawText(SX+11*32, SY+2*32, int2str(player_nr + 1, 1), FS_BIG, FC_RED);
2261   DrawGraphicThruMask(8, 2, PLAYER_NR_GFX(IMG_PLAYER1, player_nr), 0);
2262
2263   if (setup.input[player_nr].use_joystick)
2264   {
2265     char *device_name = setup.input[player_nr].joy.device_name;
2266
2267     DrawText(SX+8*32, SY+3*32,
2268              joystick_name[getJoystickNrFromDeviceName(device_name)],
2269              FS_BIG, FC_YELLOW);
2270     DrawText(SX+32, SY+4*32, "Calibrate", FS_BIG, FC_GREEN);
2271   }
2272   else
2273   {
2274     DrawText(SX+8*32, SY+3*32, "Keyboard ", FS_BIG, FC_YELLOW);
2275     DrawText(SX+32, SY+4*32, "Customize", FS_BIG, FC_GREEN);
2276   }
2277
2278   DrawText(SX+32, SY+5*32, "Actual Settings:", FS_BIG, FC_GREEN);
2279   drawCursorXY(1, 4, IMG_ARROW_BLUE_LEFT);
2280   drawCursorXY(1, 5, IMG_ARROW_BLUE_RIGHT);
2281   drawCursorXY(1, 6, IMG_ARROW_BLUE_UP);
2282   drawCursorXY(1, 7, IMG_ARROW_BLUE_DOWN);
2283   DrawText(SX+2*32, SY+6*32, ":", FS_BIG, FC_BLUE);
2284   DrawText(SX+2*32, SY+7*32, ":", FS_BIG, FC_BLUE);
2285   DrawText(SX+2*32, SY+8*32, ":", FS_BIG, FC_BLUE);
2286   DrawText(SX+2*32, SY+9*32, ":", FS_BIG, FC_BLUE);
2287   DrawText(SX+32, SY+10*32, "Snap Field:", FS_BIG, FC_BLUE);
2288   DrawText(SX+32, SY+12*32, "Place Bomb:", FS_BIG, FC_BLUE);
2289
2290   for (i=0; i<6; i++)
2291   {
2292     int ypos = 6 + i + (i > 3 ? i-3 : 0);
2293
2294     DrawText(SX + 3*32, SY + ypos*32,
2295              "              ", FS_BIG, FC_YELLOW);
2296     DrawText(SX + 3*32, SY + ypos*32,
2297              (setup.input[player_nr].use_joystick ?
2298               custom[i].text :
2299               getKeyNameFromKey(*custom[i].key)),
2300              FS_BIG, FC_YELLOW);
2301   }
2302 }
2303
2304 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
2305 {
2306   static int choice = 0;
2307   static int player_nr = 0;
2308   int x = 0;
2309   int y = choice;
2310   int pos_start  = SETUPINPUT_SCREEN_POS_START;
2311   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
2312   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
2313   int pos_end    = SETUPINPUT_SCREEN_POS_END;
2314
2315   if (button == MB_MENU_INITIALIZE)
2316   {
2317     drawPlayerSetupInputInfo(player_nr);
2318     drawCursor(choice, FC_RED);
2319     return;
2320   }
2321   else if (button == MB_MENU_LEAVE)
2322   {
2323     setup_mode = SETUP_MODE_MAIN;
2324     DrawSetupScreen();
2325     InitJoysticks();
2326   }
2327
2328   if (mx || my)         /* mouse input */
2329   {
2330     x = (mx - SX) / 32;
2331     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
2332   }
2333   else if (dx || dy)    /* keyboard input */
2334   {
2335     if (dx && choice == 0)
2336       x = (dx < 0 ? 10 : 12);
2337     else if ((dx && choice == 1) ||
2338              (dx == +1 && choice == 2) ||
2339              (dx == -1 && choice == pos_end))
2340       button = MB_MENU_CHOICE;
2341     else if (dy)
2342       y = choice + dy;
2343
2344     if (y >= pos_empty1 && y <= pos_empty2)
2345       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
2346   }
2347
2348   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
2349   {
2350     static unsigned long delay = 0;
2351
2352     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
2353       goto out;
2354
2355     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
2356
2357     drawPlayerSetupInputInfo(player_nr);
2358   }
2359   else if (x == 0 && y >= pos_start && y <= pos_end &&
2360            !(y >= pos_empty1 && y <= pos_empty2))
2361   {
2362     if (button)
2363     {
2364       if (y != choice)
2365       {
2366         drawCursor(y, FC_RED);
2367         drawCursor(choice, FC_BLUE);
2368         choice = y;
2369       }
2370     }
2371     else
2372     {
2373       if (y == 1)
2374       {
2375         char *device_name = setup.input[player_nr].joy.device_name;
2376
2377         if (!setup.input[player_nr].use_joystick)
2378         {
2379           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2380
2381           setJoystickDeviceToNr(device_name, new_device_nr);
2382           setup.input[player_nr].use_joystick = TRUE;
2383         }
2384         else
2385         {
2386           int device_nr = getJoystickNrFromDeviceName(device_name);
2387           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2388
2389           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2390             setup.input[player_nr].use_joystick = FALSE;
2391           else
2392             setJoystickDeviceToNr(device_name, new_device_nr);
2393         }
2394
2395         drawPlayerSetupInputInfo(player_nr);
2396       }
2397       else if (y == 2)
2398       {
2399         if (setup.input[player_nr].use_joystick)
2400         {
2401           InitJoysticks();
2402           CalibrateJoystick(player_nr);
2403         }
2404         else
2405           CustomizeKeyboard(player_nr);
2406       }
2407       else if (y == pos_end)
2408       {
2409         InitJoysticks();
2410
2411         setup_mode = SETUP_MODE_MAIN;
2412         DrawSetupScreen();
2413       }
2414     }
2415   }
2416
2417   BackToFront();
2418
2419   out:
2420
2421   if (game_status == SETUP)
2422     DoAnimation();
2423 }
2424
2425 void CustomizeKeyboard(int player_nr)
2426 {
2427   int i;
2428   int step_nr;
2429   boolean finished = FALSE;
2430   static struct SetupKeyboardInfo custom_key;
2431   static struct
2432   {
2433     Key *key;
2434     char *text;
2435   } customize_step[] =
2436   {
2437     { &custom_key.left,  "Move Left"  },
2438     { &custom_key.right, "Move Right" },
2439     { &custom_key.up,    "Move Up"    },
2440     { &custom_key.down,  "Move Down"  },
2441     { &custom_key.snap,  "Snap Field" },
2442     { &custom_key.bomb,  "Place Bomb" }
2443   };
2444
2445   /* read existing key bindings from player setup */
2446   custom_key = setup.input[player_nr].key;
2447
2448   ClearWindow();
2449   DrawText(SX + 16, SY + 16, "Keyboard Input", FS_BIG, FC_YELLOW);
2450
2451   BackToFront();
2452   InitAnimation();
2453
2454   step_nr = 0;
2455   DrawText(SX, SY + (2+2*step_nr)*32,
2456            customize_step[step_nr].text, FS_BIG, FC_RED);
2457   DrawText(SX, SY + (2+2*step_nr+1)*32,
2458            "Key:", FS_BIG, FC_RED);
2459   DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2460            getKeyNameFromKey(*customize_step[step_nr].key),
2461            FS_BIG, FC_BLUE);
2462
2463   while(!finished)
2464   {
2465     if (PendingEvent())         /* got event */
2466     {
2467       Event event;
2468
2469       NextEvent(&event);
2470
2471       switch(event.type)
2472       {
2473         case EVENT_KEYPRESS:
2474           {
2475             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2476
2477             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2478             {
2479               finished = TRUE;
2480               break;
2481             }
2482
2483             /* all keys configured -- wait for "Escape" or "Return" key */
2484             if (step_nr == 6)
2485               break;
2486
2487             /* press 'Enter' to keep the existing key binding */
2488             if (key == KSYM_Return)
2489               key = *customize_step[step_nr].key;
2490
2491             /* check if key already used */
2492             for (i=0; i<step_nr; i++)
2493               if (*customize_step[i].key == key)
2494                 break;
2495             if (i < step_nr)
2496               break;
2497
2498             /* got new key binding */
2499             *customize_step[step_nr].key = key;
2500             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2501                      "             ", FS_BIG, FC_YELLOW);
2502             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2503                      getKeyNameFromKey(key), FS_BIG, FC_YELLOW);
2504             step_nr++;
2505
2506             /* un-highlight last query */
2507             DrawText(SX, SY+(2+2*(step_nr-1))*32,
2508                      customize_step[step_nr-1].text, FS_BIG, FC_GREEN);
2509             DrawText(SX, SY+(2+2*(step_nr-1)+1)*32,
2510                      "Key:", FS_BIG, FC_GREEN);
2511
2512             /* press 'Enter' to leave */
2513             if (step_nr == 6)
2514             {
2515               DrawText(SX + 16, SY + 15*32+16,
2516                        "Press Enter", FS_BIG, FC_YELLOW);
2517               break;
2518             }
2519
2520             /* query next key binding */
2521             DrawText(SX, SY+(2+2*step_nr)*32,
2522                      customize_step[step_nr].text, FS_BIG, FC_RED);
2523             DrawText(SX, SY+(2+2*step_nr+1)*32,
2524                      "Key:", FS_BIG, FC_RED);
2525             DrawText(SX + 4*32, SY+(2+2*step_nr+1)*32,
2526                      getKeyNameFromKey(*customize_step[step_nr].key),
2527                      FS_BIG, FC_BLUE);
2528           }
2529           break;
2530
2531         case EVENT_KEYRELEASE:
2532           key_joystick_mapping = 0;
2533           break;
2534
2535         default:
2536           HandleOtherEvents(&event);
2537           break;
2538       }
2539     }
2540
2541     BackToFront();
2542     DoAnimation();
2543
2544     /* don't eat all CPU time */
2545     Delay(10);
2546   }
2547
2548   /* write new key bindings back to player setup */
2549   setup.input[player_nr].key = custom_key;
2550
2551   StopAnimation();
2552   DrawSetupScreen_Input();
2553 }
2554
2555 static boolean CalibrateJoystickMain(int player_nr)
2556 {
2557   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2558   int new_joystick_xright = JOYSTICK_XMIDDLE;
2559   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2560   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2561   int new_joystick_xmiddle, new_joystick_ymiddle;
2562
2563   int joystick_fd = joystick.fd[player_nr];
2564   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2565   boolean check[3][3];
2566   int check_remaining = 3 * 3;
2567   int joy_x, joy_y;
2568   int joy_value;
2569   int result = -1;
2570
2571   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2572     return FALSE;
2573
2574   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2575     return FALSE;
2576
2577   ClearWindow();
2578
2579   for(y=0; y<3; y++)
2580   {
2581     for(x=0; x<3; x++)
2582     {
2583       check[x][y] = FALSE;
2584       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_BALL_BLUE, 0);
2585     }
2586   }
2587
2588   DrawText(SX,      SY +  6 * 32, " ROTATE JOYSTICK ", FS_BIG, FC_YELLOW);
2589   DrawText(SX,      SY +  7 * 32, "IN ALL DIRECTIONS", FS_BIG, FC_YELLOW);
2590   DrawText(SX + 16, SY +  9 * 32, "  IF ALL BALLS  ",  FS_BIG, FC_YELLOW);
2591   DrawText(SX,      SY + 10 * 32, "   ARE YELLOW,   ", FS_BIG, FC_YELLOW);
2592   DrawText(SX,      SY + 11 * 32, " CENTER JOYSTICK ", FS_BIG, FC_YELLOW);
2593   DrawText(SX,      SY + 12 * 32, "       AND       ", FS_BIG, FC_YELLOW);
2594   DrawText(SX,      SY + 13 * 32, "PRESS ANY BUTTON!", FS_BIG, FC_YELLOW);
2595
2596   joy_value = Joystick(player_nr);
2597   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2598   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2599
2600   /* eventually uncalibrated center position (joystick could be uncentered) */
2601   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2602     return FALSE;
2603
2604   new_joystick_xmiddle = joy_x;
2605   new_joystick_ymiddle = joy_y;
2606
2607   DrawGraphic(xpos + last_x, ypos + last_y, IMG_BALL_RED, 0);
2608   BackToFront();
2609
2610   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2611   InitAnimation();
2612
2613   while(result < 0)
2614   {
2615     if (PendingEvent())         /* got event */
2616     {
2617       Event event;
2618
2619       NextEvent(&event);
2620
2621       switch(event.type)
2622       {
2623         case EVENT_KEYPRESS:
2624           switch(GetEventKey((KeyEvent *)&event, TRUE))
2625           {
2626             case KSYM_Return:
2627               if (check_remaining == 0)
2628                 result = 1;
2629               break;
2630
2631             case KSYM_Escape:
2632               result = 0;
2633               break;
2634
2635             default:
2636               break;
2637           }
2638           break;
2639
2640         case EVENT_KEYRELEASE:
2641           key_joystick_mapping = 0;
2642           break;
2643
2644         default:
2645           HandleOtherEvents(&event);
2646           break;
2647       }
2648     }
2649
2650     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2651       return FALSE;
2652
2653     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2654     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2655     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2656     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2657
2658     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2659     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2660     setup.input[player_nr].joy.xright = new_joystick_xright;
2661     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2662     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2663     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2664
2665     CheckJoystickData();
2666
2667     joy_value = Joystick(player_nr);
2668
2669     if (joy_value & JOY_BUTTON && check_remaining == 0)
2670       result = 1;
2671
2672     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2673     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2674
2675     if (x != last_x || y != last_y)
2676     {
2677       DrawGraphic(xpos + last_x, ypos + last_y, IMG_BALL_YELLOW, 0);
2678       DrawGraphic(xpos + x,      ypos + y,      IMG_BALL_RED, 0);
2679
2680       last_x = x;
2681       last_y = y;
2682
2683       if (check_remaining > 0 && !check[x+1][y+1])
2684       {
2685         check[x+1][y+1] = TRUE;
2686         check_remaining--;
2687       }
2688
2689 #if 0
2690 #ifdef DEBUG
2691       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2692              setup.input[player_nr].joy.xleft,
2693              setup.input[player_nr].joy.xmiddle,
2694              setup.input[player_nr].joy.xright);
2695       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2696              setup.input[player_nr].joy.yupper,
2697              setup.input[player_nr].joy.ymiddle,
2698              setup.input[player_nr].joy.ylower);
2699 #endif
2700 #endif
2701
2702     }
2703
2704     BackToFront();
2705     DoAnimation();
2706
2707     /* don't eat all CPU time */
2708     Delay(10);
2709   }
2710
2711   /* calibrated center position (joystick should now be centered) */
2712   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2713     return FALSE;
2714
2715   new_joystick_xmiddle = joy_x;
2716   new_joystick_ymiddle = joy_y;
2717
2718   StopAnimation();
2719
2720   DrawSetupScreen_Input();
2721
2722   /* wait until the last pressed button was released */
2723   while (Joystick(player_nr) & JOY_BUTTON)
2724   {
2725     if (PendingEvent())         /* got event */
2726     {
2727       Event event;
2728
2729       NextEvent(&event);
2730       HandleOtherEvents(&event);
2731
2732       Delay(10);
2733     }
2734   }
2735
2736   return TRUE;
2737 }
2738
2739 void CalibrateJoystick(int player_nr)
2740 {
2741   if (!CalibrateJoystickMain(player_nr))
2742   {
2743     ClearWindow();
2744
2745     DrawText(SX + 16, SY + 6*32, "  JOYSTICK NOT  ",  FS_BIG, FC_YELLOW);
2746     DrawText(SX,      SY + 7*32, "    AVAILABLE    ", FS_BIG, FC_YELLOW);
2747     BackToFront();
2748     Delay(2000);        /* show error message for two seconds */
2749   }
2750 }
2751
2752 void DrawSetupScreen()
2753 {
2754   DeactivateJoystick();
2755
2756   if (setup_mode == SETUP_MODE_INPUT)
2757     DrawSetupScreen_Input();
2758   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2759     DrawChooseTree(&artwork.gfx_current);
2760   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2761     DrawChooseTree(&artwork.snd_current);
2762   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2763     DrawChooseTree(&artwork.mus_current);
2764   else
2765     DrawSetupScreen_Generic();
2766 }
2767
2768 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2769 {
2770   if (setup_mode == SETUP_MODE_INPUT)
2771     HandleSetupScreen_Input(mx, my, dx, dy, button);
2772   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2773     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2774   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2775     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2776   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2777     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2778   else
2779     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2780 }
2781
2782 void HandleGameActions()
2783 {
2784   if (game_status != PLAYING)
2785     return;
2786
2787   if (local_player->LevelSolved)
2788     GameWon();
2789
2790   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2791     TapeStop();
2792
2793   GameActions();
2794
2795   BackToFront();
2796 }
2797
2798 /* ---------- new screen button stuff -------------------------------------- */
2799
2800 /* graphic position and size values for buttons and scrollbars */
2801 #define SC_SCROLLBUTTON_XSIZE           32
2802 #define SC_SCROLLBUTTON_YSIZE           32
2803
2804 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2805 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2806 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2807 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2808 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2809 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2810 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2811 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2812
2813 #define SC_BORDER_SIZE                  14
2814
2815 static struct
2816 {
2817   int gfx_unpressed, gfx_pressed;
2818   int x, y;
2819   int gadget_id;
2820   char *infotext;
2821 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2822 {
2823   {
2824     IMG_ARROW_BLUE_UP, IMG_ARROW_RED_UP,
2825     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2826     SCREEN_CTRL_ID_SCROLL_UP,
2827     "scroll up"
2828   },
2829   {
2830     IMG_ARROW_BLUE_DOWN, IMG_ARROW_RED_DOWN,
2831     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2832     SCREEN_CTRL_ID_SCROLL_DOWN,
2833     "scroll down"
2834   }
2835 };
2836
2837 static struct
2838 {
2839 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2840   Bitmap **gfx_unpressed, **gfx_pressed;
2841 #else
2842   int gfx_unpressed, gfx_pressed;
2843 #endif
2844   int x, y;
2845   int width, height;
2846   int type;
2847   int gadget_id;
2848   char *infotext;
2849 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2850 {
2851   {
2852 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2853     &scrollbar_bitmap[0], &scrollbar_bitmap[1],
2854 #else
2855     IMG_SCROLLBAR_BLUE, IMG_SCROLLBAR_RED,
2856 #endif
2857     SX + SC_SCROLL_VERTICAL_XPOS, SY + SC_SCROLL_VERTICAL_YPOS,
2858     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2859     GD_TYPE_SCROLLBAR_VERTICAL,
2860     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2861     "scroll level series vertically"
2862   }
2863 };
2864
2865 static void CreateScreenScrollbuttons()
2866 {
2867   struct GadgetInfo *gi;
2868   unsigned long event_mask;
2869   int i;
2870
2871   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2872   {
2873     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2874     int gfx_unpressed, gfx_pressed;
2875     int x, y, width, height;
2876     int gd_x1, gd_x2, gd_y1, gd_y2;
2877     int id = scrollbutton_info[i].gadget_id;
2878
2879     x = scrollbutton_info[i].x;
2880     y = scrollbutton_info[i].y;
2881
2882     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2883
2884     x += SX;
2885     y += SY;
2886     width = SC_SCROLLBUTTON_XSIZE;
2887     height = SC_SCROLLBUTTON_YSIZE;
2888
2889     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2890     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2891     gd_bitmap_unpressed = new_graphic_info[gfx_unpressed].bitmap;
2892     gd_bitmap_pressed   = new_graphic_info[gfx_pressed].bitmap;
2893     gd_x1 = new_graphic_info[gfx_unpressed].src_x;
2894     gd_y1 = new_graphic_info[gfx_unpressed].src_y;
2895     gd_x2 = new_graphic_info[gfx_pressed].src_x;
2896     gd_y2 = new_graphic_info[gfx_pressed].src_y;
2897
2898     gi = CreateGadget(GDI_CUSTOM_ID, id,
2899                       GDI_CUSTOM_TYPE_ID, i,
2900                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2901                       GDI_X, x,
2902                       GDI_Y, y,
2903                       GDI_WIDTH, width,
2904                       GDI_HEIGHT, height,
2905                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2906                       GDI_STATE, GD_BUTTON_UNPRESSED,
2907                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2908                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2909                       GDI_EVENT_MASK, event_mask,
2910                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2911                       GDI_END);
2912
2913     if (gi == NULL)
2914       Error(ERR_EXIT, "cannot create gadget");
2915
2916     screen_gadget[id] = gi;
2917   }
2918 }
2919
2920 static void CreateScreenScrollbars()
2921 {
2922   int i;
2923
2924   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2925   {
2926     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2927 #if !defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2928     int gfx_unpressed, gfx_pressed;
2929 #endif
2930     int gd_x1, gd_x2, gd_y1, gd_y2;
2931     struct GadgetInfo *gi;
2932     int items_max, items_visible, item_position;
2933     unsigned long event_mask;
2934     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2935     int id = scrollbar_info[i].gadget_id;
2936
2937     items_max = num_page_entries;
2938     items_visible = num_page_entries;
2939     item_position = 0;
2940
2941     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2942
2943 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2944     gd_bitmap_unpressed = *scrollbar_info[i].gfx_unpressed;
2945     gd_bitmap_pressed   = *scrollbar_info[i].gfx_pressed;
2946     gd_x1 = 0;
2947     gd_y1 = 0;
2948     gd_x2 = 0;
2949     gd_y2 = 0;
2950 #else
2951     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
2952     gfx_pressed   = scrollbar_info[i].gfx_pressed;
2953     gd_bitmap_unpressed = new_graphic_info[gfx_unpressed].bitmap;
2954     gd_bitmap_pressed   = new_graphic_info[gfx_pressed].bitmap;
2955     gd_x1 = new_graphic_info[gfx_unpressed].src_x;
2956     gd_y1 = new_graphic_info[gfx_unpressed].src_y;
2957     gd_x2 = new_graphic_info[gfx_pressed].src_x;
2958     gd_y2 = new_graphic_info[gfx_pressed].src_y;
2959 #endif
2960
2961     gi = CreateGadget(GDI_CUSTOM_ID, id,
2962                       GDI_CUSTOM_TYPE_ID, i,
2963                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2964                       GDI_X, scrollbar_info[i].x,
2965                       GDI_Y, scrollbar_info[i].y,
2966                       GDI_WIDTH, scrollbar_info[i].width,
2967                       GDI_HEIGHT, scrollbar_info[i].height,
2968                       GDI_TYPE, scrollbar_info[i].type,
2969                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2970                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2971                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2972                       GDI_STATE, GD_BUTTON_UNPRESSED,
2973                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2974                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2975                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
2976                       GDI_EVENT_MASK, event_mask,
2977                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2978                       GDI_END);
2979
2980     if (gi == NULL)
2981       Error(ERR_EXIT, "cannot create gadget");
2982
2983     screen_gadget[id] = gi;
2984   }
2985 }
2986
2987 void CreateScreenGadgets()
2988 {
2989 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2990   int i;
2991
2992   for (i=0; i<4; i++)
2993   {
2994     scrollbar_bitmap[i] = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
2995
2996     /* copy pointers to clip mask and GC */
2997     scrollbar_bitmap[i]->clip_mask =
2998       new_graphic_info[IMG_SCROLLBAR_BLUE + i].clip_mask;
2999     scrollbar_bitmap[i]->stored_clip_gc =
3000       new_graphic_info[IMG_SCROLLBAR_BLUE + i].clip_gc;
3001
3002     BlitBitmap(new_graphic_info[IMG_SCROLLBAR_BLUE + i].bitmap,
3003                scrollbar_bitmap[i],
3004                new_graphic_info[IMG_SCROLLBAR_BLUE + i].src_x,
3005                new_graphic_info[IMG_SCROLLBAR_BLUE + i].src_y,
3006                TILEX, TILEY, 0, 0);
3007   }
3008 #endif
3009
3010   CreateScreenScrollbuttons();
3011   CreateScreenScrollbars();
3012 }
3013
3014 void FreeScreenGadgets()
3015 {
3016   int i;
3017
3018 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3019   for (i=0; i<4; i++)
3020   {
3021     /* prevent freeing clip mask and GC twice */
3022     scrollbar_bitmap[i]->clip_mask = None;
3023     scrollbar_bitmap[i]->stored_clip_gc = None;
3024
3025     FreeBitmap(scrollbar_bitmap[i]);
3026   }
3027 #endif
3028
3029   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3030     FreeGadget(screen_gadget[i]);
3031 }
3032
3033 void MapChooseTreeGadgets(TreeInfo *ti)
3034 {
3035   int num_entries = numTreeInfoInGroup(ti);
3036   int i;
3037
3038   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
3039     return;
3040
3041   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3042     MapGadget(screen_gadget[i]);
3043 }
3044
3045 void UnmapChooseTreeGadgets()
3046 {
3047   int i;
3048
3049   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3050     UnmapGadget(screen_gadget[i]);
3051 }
3052
3053 static void HandleScreenGadgets(struct GadgetInfo *gi)
3054 {
3055   int id = gi->custom_id;
3056
3057   if (game_status != CHOOSELEVEL && game_status != SETUP)
3058     return;
3059
3060   switch (id)
3061   {
3062     case SCREEN_CTRL_ID_SCROLL_UP:
3063       if (game_status == CHOOSELEVEL)
3064         HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
3065       else if (game_status == SETUP)
3066         HandleSetupScreen(SX,SY + 32, 0,0, MB_MENU_MARK);
3067       break;
3068
3069     case SCREEN_CTRL_ID_SCROLL_DOWN:
3070       if (game_status == CHOOSELEVEL)
3071         HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
3072       else if (game_status == SETUP)
3073         HandleSetupScreen(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
3074       break;
3075
3076     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
3077       if (game_status == CHOOSELEVEL)
3078         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3079       else if (game_status == SETUP)
3080         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3081       break;
3082
3083     default:
3084       break;
3085   }
3086 }