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 #define mSX (SX + (game_status >= GAME_MODE_MAIN &&     \
  75                    game_status <= GAME_MODE_SETUP ?     \
  76                    menu.draw_xoffset[game_status] : menu.draw_xoffset_default))
  77 #define mSY (SY + (game_status >= GAME_MODE_MAIN &&     \
  78                    game_status <= GAME_MODE_SETUP ?     \
  79                    menu.draw_yoffset[game_status] : menu.draw_yoffset_default))
  80
  81 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
  82 #define NUM_SCROLLBAR_BITMAPS           2
  83 static Bitmap *scrollbar_bitmap[NUM_SCROLLBAR_BITMAPS];
  84 #endif
  85
  86
  87 static void drawCursorExt(int xpos, int ypos, int color, int graphic)
  88 {
  89   static int cursor_array[SCR_FIELDY];
  90
  91   if (xpos == 0)
  92   {
  93     if (graphic != 0)
  94       cursor_array[ypos] = graphic;
  95     else
  96       graphic = cursor_array[ypos];
  97   }
  98
  99   if (color == FC_RED)
 100     graphic = (graphic == IMG_MENU_BUTTON_LEFT  ? IMG_MENU_BUTTON_LEFT_ACTIVE :
 101                graphic == IMG_MENU_BUTTON_RIGHT ? IMG_MENU_BUTTON_RIGHT_ACTIVE:
 102                IMG_MENU_BUTTON_ACTIVE);
 103
 104   ypos += MENU_SCREEN_START_YPOS;
 105
 106   DrawBackground(mSX + xpos * TILEX, mSY + ypos * TILEY, TILEX, TILEY);
 107   DrawGraphicThruMaskExt(drawto, mSX + xpos * TILEX, mSY + ypos * TILEY,
 108                          graphic, 0);
 109 }
 110
 111 static void initCursor(int ypos, int graphic)
 112 {
 113   drawCursorExt(0, ypos, FC_BLUE, graphic);
 114 }
 115
 116 static void drawCursor(int ypos, int color)
 117 {
 118   drawCursorExt(0, ypos, color, 0);
 119 }
 120
 121 static void drawCursorXY(int xpos, int ypos, int graphic)
 122 {
 123   drawCursorExt(xpos, ypos, -1, graphic);
 124 }
 125
 126 static void PlaySound_Menu_Start(int sound)
 127 {
 128   if (sound_info[sound].loop)
 129     PlaySoundLoop(sound);
 130   else
 131     PlaySound(sound);
 132 }
 133
 134 static void PlaySound_Menu_Continue(int sound)
 135 {
 136   if (sound_info[sound].loop)
 137     PlaySoundLoop(sound);
 138 }
 139
 140 void DrawHeadline()
 141 {
 142   int font1_width = getFontWidth(FONT_TITLE_1);
 143   int font2_width = getFontWidth(FONT_TITLE_2);
 144   int x1 = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING)   * font1_width) / 2;
 145   int x2 = SX + (SXSIZE - strlen(WINDOW_SUBTITLE_STRING) * font2_width) / 2;
 146
 147   DrawText(x1, SY + 8,  PROGRAM_TITLE_STRING,   FONT_TITLE_1);
 148   DrawText(x2, SY + 46, WINDOW_SUBTITLE_STRING, FONT_TITLE_2);
 149 }
 150
 151 static void ToggleFullscreenIfNeeded()
 152 {
 153   if (setup.fullscreen != video.fullscreen_enabled)
 154   {
 155     /* save old door content */
 156     BlitBitmap(backbuffer, bitmap_db_door,
 157                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 158
 159     /* toggle fullscreen */
 160     ChangeVideoModeIfNeeded(setup.fullscreen);
 161     setup.fullscreen = video.fullscreen_enabled;
 162
 163     /* redraw background to newly created backbuffer */
 164     BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
 165                0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 166
 167     /* restore old door content */
 168     BlitBitmap(bitmap_db_door, backbuffer,
 169                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 170
 171     redraw_mask = REDRAW_ALL;
 172   }
 173 }
 174
 175 void DrawMainMenu()
 176 {
 177   static LevelDirTree *leveldir_last_valid = NULL;
 178   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 179   int font_width = getFontWidth(FONT_MENU_1);
 180   int name_width = font_width * strlen("Name:");
 181   int level_width = font_width * strlen("Level:");
 182   int i;
 183
 184   UnmapAllGadgets();
 185   FadeSounds();
 186
 187   KeyboardAutoRepeatOn();
 188   ActivateJoystick();
 189
 190   SetDrawDeactivationMask(REDRAW_NONE);
 191   SetDrawBackgroundMask(REDRAW_FIELD);
 192
 193   audio.sound_deactivated = FALSE;
 194
 195   /* needed if last screen was the playing screen, invoked from level editor */
 196   if (level_editor_test_game)
 197   {
 198     game_status = GAME_MODE_EDITOR;
 199     DrawLevelEd();
 200     return;
 201   }
 202
 203   /* needed if last screen was the editor screen */
 204   UndrawSpecialEditorDoor();
 205
 206   /* needed if last screen was the setup screen and fullscreen state changed */
 207   ToggleFullscreenIfNeeded();
 208
 209   /* needed if last screen (level choice) changed graphics, sounds or music */
 210   ReloadCustomArtwork();
 211
 212 #ifdef TARGET_SDL
 213   SetDrawtoField(DRAW_BACKBUFFER);
 214 #endif
 215
 216   /* map gadgets for main menu screen */
 217   MapTapeButtons();
 218
 219   /* leveldir_current may be invalid (level group, parent link) */
 220   if (!validLevelSeries(leveldir_current))
 221     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 222
 223   /* store valid level series information */
 224   leveldir_last_valid = leveldir_current;
 225
 226   /* level_nr may have been set to value over handicap with level editor */
 227   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 228     level_nr = leveldir_current->handicap_level;
 229
 230   GetPlayerConfig();
 231   LoadLevel(level_nr);
 232
 233   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
 234   ClearWindow();
 235
 236   DrawHeadline();
 237
 238   DrawText(mSX + 32, mSY + 2*32, name_text, FONT_MENU_1);
 239   DrawText(mSX + 32, mSY + 3*32, "Level:", FONT_MENU_1);
 240   DrawText(mSX + 32, mSY + 4*32, "Hall Of Fame", FONT_MENU_1);
 241   DrawText(mSX + 32, mSY + 5*32, "Level Creator", FONT_MENU_1);
 242   DrawText(mSX + 32, mSY + 6*32, "Info Screen", FONT_MENU_1);
 243   DrawText(mSX + 32, mSY + 7*32, "Start Game", FONT_MENU_1);
 244   DrawText(mSX + 32, mSY + 8*32, "Setup", FONT_MENU_1);
 245   DrawText(mSX + 32, mSY + 9*32, "Quit", FONT_MENU_1);
 246
 247   DrawText(mSX + 32 + name_width, mSY + 2*32, setup.player_name, FONT_INPUT_1);
 248   DrawText(mSX + level_width + 5 * 32, mSY + 3*32, int2str(level_nr,3),
 249            FONT_VALUE_1);
 250
 251   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 252
 253   DrawTextF(mSX + 32 + level_width - 2, mSY + 3*32 + 1, FONT_TEXT_3, "%d-%d",
 254             leveldir_current->first_level, leveldir_current->last_level);
 255
 256   if (leveldir_current->readonly)
 257   {
 258     DrawTextF(mSX + level_width + 9 * 32 - 2,
 259               mSY + 3 * 32 + 1 - 7, FONT_TEXT_3, "READ");
 260     DrawTextF(mSX + level_width + 9 * 32 - 2,
 261               mSY + 3 * 32 + 1 + 7, FONT_TEXT_3, "ONLY");
 262   }
 263
 264   for(i=0; i<8; i++)
 265     initCursor(i, (i == 1 || i == 6 ? IMG_MENU_BUTTON_RIGHT :IMG_MENU_BUTTON));
 266
 267   drawCursorXY(level_width/32 + 4, 1, IMG_MENU_BUTTON_LEFT);
 268   drawCursorXY(level_width/32 + 8, 1, IMG_MENU_BUTTON_RIGHT);
 269
 270   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment", FONT_TITLE_2);
 271
 272   FadeToFront();
 273   InitAnimation();
 274   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 275
 276   TapeStop();
 277   if (TAPE_IS_EMPTY(tape))
 278     LoadTape(level_nr);
 279   DrawCompleteVideoDisplay();
 280
 281   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 282
 283 #if 0
 284   ClearEventQueue();
 285 #endif
 286 }
 287
 288 static void gotoTopLevelDir()
 289 {
 290   /* move upwards to top level directory */
 291   while (leveldir_current->node_parent)
 292   {
 293     /* write a "path" into level tree for easy navigation to last level */
 294     if (leveldir_current->node_parent->node_group->cl_first == -1)
 295     {
 296       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 297       int leveldir_pos = posTreeInfo(leveldir_current);
 298       int num_page_entries;
 299       int cl_first, cl_cursor;
 300
 301       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 302         num_page_entries = num_leveldirs;
 303       else
 304         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN;
 305
 306       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 307       cl_cursor = leveldir_pos - cl_first;
 308
 309       leveldir_current->node_parent->node_group->cl_first = cl_first;
 310       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 311     }
 312
 313     leveldir_current = leveldir_current->node_parent;
 314   }
 315 }
 316
 317 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 318 {
 319   static int choice = 0;
 320   int x = 0;
 321   int y = choice;
 322
 323   if (button == MB_MENU_INITIALIZE)
 324   {
 325     drawCursor(choice, FC_RED);
 326     return;
 327   }
 328
 329   if (mx || my)         /* mouse input */
 330   {
 331     x = (mx - mSX) / 32;
 332     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
 333   }
 334   else if (dx || dy)    /* keyboard input */
 335   {
 336     if (dx && choice == 1)
 337       x = (dx < 0 ? 10 : 14);
 338     else if (dy)
 339       y = choice + dy;
 340   }
 341
 342   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 343                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 344       button)
 345   {
 346     static unsigned long level_delay = 0;
 347     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 348     int new_level_nr, old_level_nr = level_nr;
 349
 350     new_level_nr = level_nr + (x == 10 ? -step : +step);
 351     if (new_level_nr < leveldir_current->first_level)
 352       new_level_nr = leveldir_current->first_level;
 353     if (new_level_nr > leveldir_current->last_level)
 354       new_level_nr = leveldir_current->last_level;
 355
 356     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 357       new_level_nr = leveldir_current->handicap_level;
 358
 359     if (old_level_nr == new_level_nr ||
 360         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 361       goto out;
 362
 363     level_nr = new_level_nr;
 364
 365     DrawText(mSX + 11 * 32, mSY + 3 * 32, int2str(level_nr, 3), FONT_VALUE_1);
 366
 367     LoadLevel(level_nr);
 368     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 369
 370     TapeErase();
 371     LoadTape(level_nr);
 372     DrawCompleteVideoDisplay();
 373
 374     /* needed because DrawMicroLevel() takes some time */
 375     BackToFront();
 376     SyncDisplay();
 377     DelayReached(&level_delay, 0);      /* reset delay counter */
 378   }
 379   else if (x == 0 && y >= 0 && y <= 7)
 380   {
 381     if (button)
 382     {
 383       if (y != choice)
 384       {
 385         drawCursor(y, FC_RED);
 386         drawCursor(choice, FC_BLUE);
 387         choice = y;
 388       }
 389     }
 390     else
 391     {
 392       if (y == 0)
 393       {
 394         game_status = GAME_MODE_PSEUDO_TYPENAME;
 395         HandleTypeName(strlen(setup.player_name), 0);
 396       }
 397       else if (y == 1)
 398       {
 399         if (leveldir_first)
 400         {
 401           game_status = GAME_MODE_LEVELS;
 402           SaveLevelSetup_LastSeries();
 403           SaveLevelSetup_SeriesInfo();
 404
 405           gotoTopLevelDir();
 406
 407           DrawChooseLevel();
 408         }
 409       }
 410       else if (y == 2)
 411       {
 412         game_status = GAME_MODE_SCORES;
 413         DrawHallOfFame(-1);
 414       }
 415       else if (y == 3)
 416       {
 417         if (leveldir_current->readonly &&
 418             strcmp(setup.player_name, "Artsoft") != 0)
 419           Request("This level is read only !", REQ_CONFIRM);
 420         game_status = GAME_MODE_EDITOR;
 421         DrawLevelEd();
 422       }
 423       else if (y == 4)
 424       {
 425         game_status = GAME_MODE_INFO;
 426         DrawHelpScreen();
 427       }
 428       else if (y == 5)
 429       {
 430         if (setup.autorecord)
 431           TapeStartRecording();
 432
 433 #if defined(PLATFORM_UNIX)
 434         if (options.network)
 435           SendToServer_StartPlaying();
 436         else
 437 #endif
 438         {
 439           game_status = GAME_MODE_PLAYING;
 440           StopAnimation();
 441           InitGame();
 442         }
 443       }
 444       else if (y == 6)
 445       {
 446         game_status = GAME_MODE_SETUP;
 447         setup_mode = SETUP_MODE_MAIN;
 448         DrawSetupScreen();
 449       }
 450       else if (y == 7)
 451       {
 452         SaveLevelSetup_LastSeries();
 453         SaveLevelSetup_SeriesInfo();
 454         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 455           game_status = GAME_MODE_QUIT;
 456       }
 457     }
 458   }
 459
 460   BackToFront();
 461
 462   out:
 463
 464   if (game_status == GAME_MODE_MAIN)
 465   {
 466     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 467     DoAnimation();
 468   }
 469 }
 470
 471
 472 #define MAX_HELPSCREEN_ELS      10
 473 #define HA_NEXT                 -999
 474 #define HA_END                  -1000
 475
 476 static long helpscreen_state;
 477 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 478 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 479
 480 static int helpscreen_action[] =
 481 {
 482   IMG_PLAYER_1_MOVING_DOWN,             16,
 483   IMG_PLAYER_1_MOVING_UP,               16,
 484   IMG_PLAYER_1_MOVING_LEFT,             16,
 485   IMG_PLAYER_1_MOVING_RIGHT,            16,
 486   IMG_PLAYER_1_PUSHING_LEFT,            16,
 487   IMG_PLAYER_1_PUSHING_RIGHT,           16,                     HA_NEXT,
 488
 489   IMG_SAND,                             -1,                     HA_NEXT,
 490
 491   IMG_EMPTY_SPACE,                      -1,                     HA_NEXT,
 492
 493   IMG_QUICKSAND_EMPTY,                  -1,                     HA_NEXT,
 494
 495   IMG_STEELWALL,                        -1,                     HA_NEXT,
 496
 497   IMG_WALL,                             -1,                     HA_NEXT,
 498
 499   IMG_EXPANDABLE_WALL_GROWING_LEFT,     20,
 500   IMG_WALL,                             50,
 501   IMG_EMPTY_SPACE,                      20,
 502   IMG_EXPANDABLE_WALL_GROWING_RIGHT,    20,
 503   IMG_WALL,                             50,
 504   IMG_EMPTY_SPACE,                      20,
 505   IMG_EXPANDABLE_WALL_GROWING_UP,       20,
 506   IMG_WALL,                             50,
 507   IMG_EMPTY_SPACE,                      20,
 508   IMG_EXPANDABLE_WALL_GROWING_DOWN,     20,
 509   IMG_WALL,                             50,
 510   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 511
 512   IMG_INVISIBLE_WALL,                   -1,                     HA_NEXT,
 513
 514   IMG_WALL_CRUMBLED,                    -1,                     HA_NEXT,
 515
 516   IMG_FONT_GAME_INFO,                   -1,                     HA_NEXT,
 517
 518   IMG_EMERALD,                          -1,                     HA_NEXT,
 519
 520   IMG_DIAMOND,                          -1,                     HA_NEXT,
 521
 522   IMG_BD_DIAMOND,                       -1,                     HA_NEXT,
 523
 524   IMG_EMERALD_YELLOW,                   50,
 525   IMG_EMERALD_RED,                      50,
 526   IMG_EMERALD_PURPLE,                   50,                     HA_NEXT,
 527
 528   IMG_BD_ROCK,                          -1,                     HA_NEXT,
 529
 530   IMG_BOMB,                             100,
 531   IMG_EXPLOSION,                        16,
 532   IMG_EMPTY_SPACE,                      10,                     HA_NEXT,
 533
 534   IMG_NUT,                              100,
 535   IMG_NUT_BREAKING,                     6,
 536   IMG_EMERALD,                          20,                     HA_NEXT,
 537
 538   IMG_WALL_EMERALD,                     100,
 539   IMG_EXPLOSION,                        16,
 540   IMG_EMERALD,                          20,                     HA_NEXT,
 541
 542   IMG_WALL_DIAMOND,                     100,
 543   IMG_EXPLOSION,                        16,
 544   IMG_DIAMOND,                          20,                     HA_NEXT,
 545
 546   IMG_WALL_BD_DIAMOND,                  100,
 547   IMG_EXPLOSION,                        16,
 548   IMG_BD_DIAMOND,                       20,                     HA_NEXT,
 549
 550   IMG_WALL_EMERALD_YELLOW,              100,
 551   IMG_EXPLOSION,                        16,
 552   IMG_EMERALD_YELLOW,                   20,
 553   IMG_WALL_EMERALD_RED,                 100,
 554   IMG_EXPLOSION,                        16,
 555   IMG_EMERALD_RED,                      20,
 556   IMG_WALL_EMERALD_PURPLE,              100,
 557   IMG_EXPLOSION,                        16,
 558   IMG_EMERALD_PURPLE,                   20,                     HA_NEXT,
 559
 560   IMG_ACID,                             -1,                     HA_NEXT,
 561
 562   IMG_KEY_1,                            50,
 563   IMG_KEY_2,                            50,
 564   IMG_KEY_3,                            50,
 565   IMG_KEY_4,                            50,                     HA_NEXT,
 566
 567   IMG_GATE_1,                           50,
 568   IMG_GATE_2,                           50,
 569   IMG_GATE_3,                           50,
 570   IMG_GATE_4,                           50,                     HA_NEXT,
 571
 572   IMG_GATE_1_GRAY,                      50,
 573   IMG_GATE_2_GRAY,                      50,
 574   IMG_GATE_3_GRAY,                      50,
 575   IMG_GATE_4_GRAY,                      50,                     HA_NEXT,
 576
 577   IMG_DYNAMITE,                         -1,                     HA_NEXT,
 578
 579   IMG_DYNAMITE_ACTIVE,                  96,
 580   IMG_EXPLOSION,                        16,
 581   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 582
 583   IMG_DYNABOMB_ACTIVE,                  100,
 584   IMG_EXPLOSION,                        16,
 585   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 586
 587   IMG_DYNABOMB_INCREASE_NUMBER,         -1,                     HA_NEXT,
 588
 589   IMG_DYNABOMB_INCREASE_SIZE,           -1,                     HA_NEXT,
 590
 591   IMG_DYNABOMB_INCREASE_POWER,          -1,                     HA_NEXT,
 592
 593   IMG_SPACESHIP_RIGHT,                  16,
 594   IMG_SPACESHIP_UP,                     16,
 595   IMG_SPACESHIP_LEFT,                   16,
 596   IMG_SPACESHIP_DOWN,                   16,                     HA_NEXT,
 597
 598   IMG_BUG_RIGHT,                        16,
 599   IMG_BUG_UP,                           16,
 600   IMG_BUG_LEFT,                         16,
 601   IMG_BUG_DOWN,                         16,                     HA_NEXT,
 602
 603   IMG_BD_BUTTERFLY,                     -1,                     HA_NEXT,
 604
 605   IMG_BD_FIREFLY,                       -1,                     HA_NEXT,
 606
 607   IMG_PACMAN_RIGHT,                     16,
 608   IMG_PACMAN_UP,                        16,
 609   IMG_PACMAN_LEFT,                      16,
 610   IMG_PACMAN_DOWN,                      16,                     HA_NEXT,
 611
 612   IMG_YAMYAM,                           -1,                     HA_NEXT,
 613
 614   IMG_DARK_YAMYAM,                      -1,                     HA_NEXT,
 615
 616   IMG_ROBOT,                            -1,                     HA_NEXT,
 617
 618   IMG_MOLE_MOVING_RIGHT,                16,
 619   IMG_MOLE_MOVING_UP,                   16,
 620   IMG_MOLE_MOVING_LEFT,                 16,
 621   IMG_MOLE_MOVING_DOWN,                 16,                     HA_NEXT,
 622
 623   IMG_PENGUIN_MOVING_RIGHT,             16,
 624   IMG_PENGUIN_MOVING_UP,                16,
 625   IMG_PENGUIN_MOVING_LEFT,              16,
 626   IMG_PENGUIN_MOVING_DOWN,              16,                     HA_NEXT,
 627
 628   IMG_PIG_MOVING_RIGHT,                 16,
 629   IMG_PIG_MOVING_UP,                    16,
 630   IMG_PIG_MOVING_LEFT,                  16,
 631   IMG_PIG_MOVING_DOWN,                  16,                     HA_NEXT,
 632
 633   IMG_DRAGON_MOVING_RIGHT,              16,
 634   IMG_DRAGON_MOVING_UP,                 16,
 635   IMG_DRAGON_MOVING_LEFT,               16,
 636   IMG_DRAGON_MOVING_DOWN,               16,                     HA_NEXT,
 637
 638   IMG_SATELLITE,                        -1,                     HA_NEXT,
 639
 640   IMG_ROBOT_WHEEL,                      50,
 641   IMG_ROBOT_WHEEL_ACTIVE,               100,                    HA_NEXT,
 642
 643   IMG_LAMP,                             50,
 644   IMG_LAMP_ACTIVE,                      50,                     HA_NEXT,
 645
 646   IMG_TIME_ORB_FULL,                    50,
 647   IMG_TIME_ORB_EMPTY,                   50,                     HA_NEXT,
 648
 649   IMG_AMOEBA_DROP,                      50,
 650   IMG_AMOEBA_GROWING,                   6,
 651   IMG_AMOEBA_WET,                       20,                     HA_NEXT,
 652
 653   IMG_AMOEBA_DEAD,                      -1,                     HA_NEXT,
 654
 655   IMG_AMOEBA_WET,                       -1,                     HA_NEXT,
 656
 657   IMG_AMOEBA_WET,                       100,
 658   IMG_AMOEBA_GROWING,                   6,                      HA_NEXT,
 659
 660   IMG_AMOEBA_FULL,                      50,
 661   IMG_AMOEBA_DEAD,                      50,
 662   IMG_EXPLOSION,                        16,
 663   IMG_DIAMOND,                          20,                     HA_NEXT,
 664
 665   IMG_GAME_OF_LIFE,                     -1,                     HA_NEXT,
 666
 667   IMG_BIOMAZE,                          -1,                     HA_NEXT,
 668
 669   IMG_MAGIC_WALL_ACTIVE,                -1,                     HA_NEXT,
 670
 671   IMG_BD_MAGIC_WALL_ACTIVE,             -1,                     HA_NEXT,
 672
 673   IMG_EXIT_CLOSED,                      200,
 674   IMG_EXIT_OPENING,                     16,
 675   IMG_EXIT_OPEN,                        100,                    HA_NEXT,
 676
 677   IMG_EXIT_OPEN,                        -1,                     HA_NEXT,
 678
 679   IMG_SOKOBAN_OBJECT,                   -1,                     HA_NEXT,
 680
 681   IMG_SOKOBAN_FIELD_EMPTY,              -1,                     HA_NEXT,
 682
 683   IMG_SOKOBAN_FIELD_FULL,               -1,                     HA_NEXT,
 684
 685   IMG_SPEED_PILL,                       -1,                     HA_NEXT,
 686
 687   HA_END
 688 };
 689 static char *helpscreen_eltext[][2] =
 690 {
 691  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 692  {"Normal sand:",                       "You can dig through it"},
 693  {"Empty field:",                       "You can walk through it"},
 694  {"Quicksand: You cannot pass it,",     "but rocks can fall through it"},
 695  {"Massive Wall:",                      "Nothing can go through it"},
 696  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 697  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 698  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 699  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 700  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 701  {"Emerald: You must collect enough of","them to finish a level"},
 702  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 703  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 704  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 705  {"Rock: Smashes several things;",      "Can be moved by the player"},
 706  {"Bomb: You can move it, but be",      "careful when dropping it"},
 707  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 708  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 709  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 710  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 711  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 712  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 713  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 714  {"Door: Can be opened by the key",     "with the same color"},
 715  {"Door: You have to find out the",     "right color of the key for it"},
 716  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 717  {"Dynamite: This one explodes after",  "a few seconds"},
 718  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 719  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 720  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 721  {"Dyna Bomb: Increases the power of",  "explosion of dyna bombs"},
 722  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 723  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 724  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 725  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 726  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 727  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 728  {"Cruncher (BD style):",               "Eats almost everything"},
 729  {"Robot: Tries to kill the player",    ""},
 730  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 731  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 732  {"The Pig: Harmless, but eats all",    "gems it can get"},
 733  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 734  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 735  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 736  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 737  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 738  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 739  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 740  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 741  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 742  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 743  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 744  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 745  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 746  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 747  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 748  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 749  {"Sokoban element: Object which must", "be pushed to an empty field"},
 750  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 751  {"Sokoban element: Field with object", "which can be pushed away"},
 752  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 753 };
 754 static int num_helpscreen_els = sizeof(helpscreen_eltext) / (2*sizeof(char *));
 755
 756 static char *helpscreen_music[][3] =
 757 {
 758   { "Alchemy",                  "Ian Boddy",            "Drive" },
 759   { "The Chase",                "Propaganda",           "A Secret Wish" },
 760   { "Network 23",               "Tangerine Dream",      "Exit" },
 761   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 762   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 763   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 764   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 765 };
 766 static int num_helpscreen_music = 7;
 767 static int helpscreen_musicpos;
 768
 769 #if 0
 770 void OLD_DrawHelpScreenElAction(int start)
 771 {
 772   int i = 0, j = 0;
 773   int frame, graphic;
 774   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 775
 776   while(helpscreen_action[j] != HA_END)
 777   {
 778     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 779       break;
 780     else if (i<start || helpscreen_delay[i-start])
 781     {
 782       if (i>=start && helpscreen_delay[i-start])
 783         helpscreen_delay[i-start]--;
 784
 785       while(helpscreen_action[j] != HA_NEXT)
 786         j++;
 787       j++;
 788       i++;
 789       continue;
 790     }
 791
 792     j += 3*helpscreen_step[i-start];
 793     graphic = helpscreen_action[j++];
 794
 795     if (helpscreen_frame[i-start])
 796     {
 797       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 798       helpscreen_frame[i-start]--;
 799     }
 800     else
 801     {
 802       frame = 0;
 803       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 804     }
 805
 806     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 807
 808     if (helpscreen_action[j] == HA_NEXT)
 809     {
 810       if (!helpscreen_frame[i-start])
 811         helpscreen_step[i-start] = 0;
 812     }
 813     else
 814     {
 815       if (!helpscreen_frame[i-start])
 816         helpscreen_step[i-start]++;
 817       while(helpscreen_action[j] != HA_NEXT)
 818         j++;
 819     }
 820     j++;
 821
 822     DrawOldGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 823     i++;
 824   }
 825
 826   for(i=2;i<16;i++)
 827   {
 828     MarkTileDirty(0,i);
 829     MarkTileDirty(1,i);
 830   }
 831 }
 832 #endif
 833
 834 void DrawHelpScreenElAction(int start)
 835 {
 836   int i = 0, j = 0;
 837   int xstart = mSX + 16;
 838   int ystart = mSY + 64 + 2 * 32;
 839   int ystep = TILEY + 4;
 840   int graphic;
 841   int frame_count;
 842   int sync_frame;
 843   int frame;
 844
 845   while (helpscreen_action[j] != HA_END)
 846   {
 847     if (i >= start + MAX_HELPSCREEN_ELS || i >= num_helpscreen_els)
 848       break;
 849     else if (i < start)
 850     {
 851       while (helpscreen_action[j] != HA_NEXT)
 852         j++;
 853
 854       j++;
 855       i++;
 856
 857       continue;
 858     }
 859
 860     j += 2 * helpscreen_step[i-start];
 861     graphic = helpscreen_action[j++];
 862     frame_count = helpscreen_action[j++];
 863     if (frame_count == -1)
 864       frame_count = 1000000;
 865
 866     if (helpscreen_frame[i-start] == 0)
 867     {
 868       sync_frame = 0;
 869       helpscreen_frame[i-start] = frame_count - 1;
 870     }
 871     else
 872     {
 873       sync_frame = frame_count - helpscreen_frame[i-start];
 874       helpscreen_frame[i-start]--;
 875     }
 876
 877     if (helpscreen_action[j] == HA_NEXT)
 878     {
 879       if (!helpscreen_frame[i-start])
 880         helpscreen_step[i-start] = 0;
 881     }
 882     else
 883     {
 884       if (!helpscreen_frame[i-start])
 885         helpscreen_step[i-start]++;
 886       while(helpscreen_action[j] != HA_NEXT)
 887         j++;
 888     }
 889     j++;
 890
 891 #if 1
 892     ClearRectangleOnBackground(drawto, xstart, ystart + (i - start) * ystep,
 893                                TILEX, TILEY);
 894     DrawGraphicAnimationExt(drawto, xstart, ystart + (i - start) * ystep,
 895                             graphic, sync_frame, USE_MASKING);
 896 #else
 897     frame = getGraphicAnimationFrame(graphic, sync_frame);
 898
 899     DrawGraphicExt(drawto, xstart, ystart + (i-start) * ystep,
 900                    graphic, frame);
 901 #endif
 902
 903     i++;
 904   }
 905
 906   for(i=2; i<16; i++)
 907   {
 908     MarkTileDirty(0, i);
 909     MarkTileDirty(1, i);
 910   }
 911
 912   FrameCounter++;
 913 }
 914
 915 void DrawHelpScreenElText(int start)
 916 {
 917   int i;
 918   int xstart = mSX + 56, ystart = mSY + 65 + 2 * 32, ystep = TILEY + 4;
 919   int ybottom = SYSIZE - 20;
 920
 921   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
 922   ClearWindow();
 923   DrawHeadline();
 924
 925   DrawTextFCentered(100, FONT_TEXT_1, "The game elements:");
 926
 927   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
 928   {
 929     DrawText(xstart,
 930              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
 931              helpscreen_eltext[i][0], FONT_TEXT_2);
 932     DrawText(xstart, ystart + (i - start) * ystep + 16,
 933              helpscreen_eltext[i][1], FONT_TEXT_2);
 934   }
 935
 936   DrawTextFCentered(ybottom, FONT_TEXT_4,
 937                     "Press any key or button for next page");
 938 }
 939
 940 void DrawHelpScreenMusicText(int num)
 941 {
 942   int ystart = 150, ystep = 30;
 943   int ybottom = SYSIZE - 20;
 944
 945   FadeSounds();
 946   ClearWindow();
 947   DrawHeadline();
 948
 949   DrawTextFCentered(100, FONT_TEXT_1, "The game background music loops:");
 950
 951   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "Excerpt from");
 952   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3,
 953                     "\"%s\"", helpscreen_music[num][0]);
 954   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "by");
 955   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3,
 956                     "%s", helpscreen_music[num][1]);
 957   DrawTextFCentered(ystart + 4 * ystep, FONT_TEXT_2, "from the album");
 958   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_3,
 959                     "\"%s\"", helpscreen_music[num][2]);
 960
 961   DrawTextFCentered(ybottom, FONT_TEXT_4,
 962                     "Press any key or button for next page");
 963
 964 #if 0
 965   PlaySoundLoop(background_loop[num]);
 966 #endif
 967 }
 968
 969 void DrawHelpScreenCreditsText()
 970 {
 971   int ystart = 150, ystep = 30;
 972   int ybottom = SYSIZE - 20;
 973
 974   FadeSounds();
 975   ClearWindow();
 976   DrawHeadline();
 977
 978   DrawTextFCentered(100, FONT_TEXT_1, "Credits:");
 979   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "DOS port of the game:");
 980   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3, "Guido Schulz");
 981   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "Additional toons:");
 982   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3, "Karl Hörnell");
 983   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_2,
 984                     "...and many thanks to all contributors");
 985   DrawTextFCentered(ystart + 6 * ystep, FONT_TEXT_2, "of new levels!");
 986
 987   DrawTextFCentered(ybottom, FONT_TEXT_4,
 988                     "Press any key or button for next page");
 989 }
 990
 991 void DrawHelpScreenContactText()
 992 {
 993   int ystart = 150, ystep = 30;
 994   int ybottom = SYSIZE - 20;
 995
 996   ClearWindow();
 997   DrawHeadline();
 998
 999   DrawTextFCentered(100, FONT_TEXT_1, "Program information:");
1000
1001   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2,
1002                     "This game is Freeware!");
1003   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_2,
1004                     "If you like it, send e-mail to:");
1005   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_3,
1006                     "info@artsoft.org");
1007   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_2,
1008                     "or SnailMail to:");
1009   DrawTextFCentered(ystart + 4 * ystep + 0, FONT_TEXT_3,
1010                     "Holger Schemel");
1011   DrawTextFCentered(ystart + 4 * ystep + 20, FONT_TEXT_3,
1012                     "Detmolder Strasse 189");
1013   DrawTextFCentered(ystart + 4 * ystep + 40, FONT_TEXT_3,
1014                     "33604 Bielefeld");
1015   DrawTextFCentered(ystart + 4 * ystep + 60, FONT_TEXT_3,
1016                     "Germany");
1017
1018   DrawTextFCentered(ystart + 7 * ystep, FONT_TEXT_2,
1019                     "If you have created new levels,");
1020   DrawTextFCentered(ystart + 8 * ystep, FONT_TEXT_2,
1021                     "send them to me to include them!");
1022   DrawTextFCentered(ystart + 9 * ystep, FONT_TEXT_2,
1023                     ":-)");
1024
1025   DrawTextFCentered(ybottom, FONT_TEXT_4,
1026                     "Press any key or button for main menu");
1027 }
1028
1029 void DrawHelpScreen()
1030 {
1031   int i;
1032
1033   UnmapAllGadgets();
1034   CloseDoor(DOOR_CLOSE_2);
1035
1036   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1037     helpscreen_step[i] = helpscreen_frame[i] = 0;
1038   helpscreen_musicpos = 0;
1039   helpscreen_state = 0;
1040
1041   DrawHelpScreenElText(0);
1042   DrawHelpScreenElAction(0);
1043
1044   FadeToFront();
1045   InitAnimation();
1046
1047 #if 0
1048   PlaySoundLoop(SND_BACKGROUND_INFO);
1049 #else
1050   PlaySound_Menu_Start(SND_BACKGROUND_INFO);
1051 #endif
1052 }
1053
1054 void HandleHelpScreen(int button)
1055 {
1056   static unsigned long hs_delay = 0;
1057   int num_helpscreen_els_pages =
1058     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
1059   int button_released = !button;
1060   int i;
1061
1062   if (button_released)
1063   {
1064     if (helpscreen_state < num_helpscreen_els_pages - 1)
1065     {
1066       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1067         helpscreen_step[i] = helpscreen_frame[i] = 0;
1068       helpscreen_state++;
1069
1070       FrameCounter = 0;
1071       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
1072       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1073     }
1074     else if (helpscreen_state <
1075              num_helpscreen_els_pages + num_helpscreen_music - 1)
1076     {
1077       helpscreen_state++;
1078       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
1079     }
1080     else if (helpscreen_state ==
1081              num_helpscreen_els_pages + num_helpscreen_music - 1)
1082     {
1083       helpscreen_state++;
1084       DrawHelpScreenCreditsText();
1085     }
1086     else if (helpscreen_state ==
1087              num_helpscreen_els_pages + num_helpscreen_music)
1088     {
1089       helpscreen_state++;
1090       DrawHelpScreenContactText();
1091     }
1092     else
1093     {
1094       FadeSounds();
1095
1096       game_status = GAME_MODE_MAIN;
1097       DrawMainMenu();
1098     }
1099   }
1100   else
1101   {
1102     if (DelayReached(&hs_delay, GAME_FRAME_DELAY))
1103     {
1104       if (helpscreen_state < num_helpscreen_els_pages)
1105         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1106     }
1107
1108     /* !!! workaround for playing "music" that is really a sound loop (and
1109        must therefore periodically be reactivated with the current sound
1110        engine !!! */
1111 #if 0
1112     PlaySoundLoop(SND_BACKGROUND_INFO);
1113 #else
1114     PlaySound_Menu_Continue(SND_BACKGROUND_INFO);
1115 #endif
1116
1117     DoAnimation();
1118   }
1119
1120   BackToFront();
1121 }
1122
1123 void HandleTypeName(int newxpos, Key key)
1124 {
1125   static int xpos = 0, ypos = 2;
1126   int font_width = getFontWidth(FONT_INPUT_1_ACTIVE);
1127   int name_width = getFontWidth(FONT_MENU_1) * strlen("Name:");
1128   int startx = mSX + 32 + name_width;
1129   int starty = mSY + ypos * 32;
1130
1131   if (newxpos)
1132   {
1133     xpos = newxpos;
1134
1135     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1136     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1137
1138     return;
1139   }
1140
1141   if (((key >= KSYM_A && key <= KSYM_Z) ||
1142        (key >= KSYM_a && key <= KSYM_z)) &&
1143       xpos < MAX_PLAYER_NAME_LEN)
1144   {
1145     char ascii;
1146
1147     if (key >= KSYM_A && key <= KSYM_Z)
1148       ascii = 'A' + (char)(key - KSYM_A);
1149     else
1150       ascii = 'a' + (char)(key - KSYM_a);
1151
1152     setup.player_name[xpos] = ascii;
1153     setup.player_name[xpos + 1] = 0;
1154     xpos++;
1155
1156     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1157     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1158   }
1159   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
1160   {
1161     xpos--;
1162     setup.player_name[xpos] = 0;
1163
1164     DrawText(startx + xpos * font_width, starty, "_ ", FONT_INPUT_1_ACTIVE);
1165   }
1166   else if (key == KSYM_Return && xpos > 0)
1167   {
1168     DrawText(startx, starty, setup.player_name, FONT_INPUT_1);
1169     DrawText(startx + xpos * font_width, starty, " ", FONT_INPUT_1_ACTIVE);
1170
1171     SaveSetup();
1172     game_status = GAME_MODE_MAIN;
1173   }
1174
1175   BackToFront();
1176 }
1177
1178 static void DrawChooseTree(TreeInfo **ti_ptr)
1179 {
1180   UnmapAllGadgets();
1181   CloseDoor(DOOR_CLOSE_2);
1182
1183   ClearWindow();
1184
1185   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
1186   MapChooseTreeGadgets(*ti_ptr);
1187
1188   FadeToFront();
1189   InitAnimation();
1190 }
1191
1192 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1193 {
1194   struct GadgetInfo *gi = screen_gadget[id];
1195   int items_max, items_visible, item_position;
1196
1197   items_max = numTreeInfoInGroup(ti);
1198   items_visible = MAX_MENU_ENTRIES_ON_SCREEN;
1199   item_position = first_entry;
1200
1201   if (item_position > items_max - items_visible)
1202     item_position = items_max - items_visible;
1203
1204   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1205                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1206 }
1207
1208 static void drawChooseTreeList(int first_entry, int num_page_entries,
1209                                TreeInfo *ti)
1210 {
1211   int i;
1212   char buffer[SCR_FIELDX * 2];
1213   int max_buffer_len = (SCR_FIELDX - 2) * 2;
1214   char *title_string = NULL;
1215   int xoffset_setup = 16;
1216   int yoffset_setup = 16;
1217   int xoffset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : xoffset_setup);
1218   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : yoffset_setup);
1219   int last_game_status = game_status;   /* save current game status */
1220
1221   DrawBackground(SX, SY, SXSIZE - 32, SYSIZE);
1222   redraw_mask |= REDRAW_FIELD;
1223
1224   title_string =
1225     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
1226      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
1227      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
1228      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
1229
1230   DrawText(SX + xoffset, SY + yoffset, title_string, FONT_TITLE_1);
1231
1232   /* force LEVELS font on artwork setup screen */
1233   game_status = GAME_MODE_LEVELS;
1234
1235   for(i=0; i<num_page_entries; i++)
1236   {
1237     TreeInfo *node, *node_first;
1238     int entry_pos = first_entry + i;
1239     int ypos = MENU_SCREEN_START_YPOS + i;
1240
1241     node_first = getTreeInfoFirstGroupEntry(ti);
1242     node = getTreeInfoFromPos(node_first, entry_pos);
1243
1244     strncpy(buffer, node->name , max_buffer_len);
1245     buffer[max_buffer_len] = '\0';
1246
1247     DrawText(mSX + 32, mSY + ypos * 32, buffer, FONT_TEXT_1 + node->color);
1248
1249     if (node->parent_link)
1250       initCursor(i, IMG_MENU_BUTTON_LEFT);
1251     else if (node->level_group)
1252       initCursor(i, IMG_MENU_BUTTON_RIGHT);
1253     else
1254       initCursor(i, IMG_MENU_BUTTON);
1255   }
1256
1257   game_status = last_game_status;       /* restore current game status */
1258 }
1259
1260 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1261 {
1262   TreeInfo *node, *node_first;
1263   int x, last_redraw_mask = redraw_mask;
1264
1265   if (ti->type != TREE_TYPE_LEVEL_DIR)
1266     return;
1267
1268   node_first = getTreeInfoFirstGroupEntry(ti);
1269   node = getTreeInfoFromPos(node_first, entry_pos);
1270
1271   DrawBackground(SX + 32, SY + 32, SXSIZE - 64, 32);
1272
1273   if (node->parent_link)
1274     DrawTextFCentered(40, FONT_TITLE_2, "leave group \"%s\"",
1275                       node->class_desc);
1276   else if (node->level_group)
1277     DrawTextFCentered(40, FONT_TITLE_2, "enter group \"%s\"",
1278                       node->class_desc);
1279   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1280     DrawTextFCentered(40, FONT_TITLE_2, "%3d levels (%s)",
1281                       node->levels, node->class_desc);
1282
1283   /* let BackToFront() redraw only what is needed */
1284   redraw_mask = last_redraw_mask | REDRAW_TILES;
1285   for (x=0; x<SCR_FIELDX; x++)
1286     MarkTileDirty(x, 1);
1287 }
1288
1289 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1290                              TreeInfo **ti_ptr)
1291 {
1292   TreeInfo *ti = *ti_ptr;
1293   int x = 0;
1294   int y = ti->cl_cursor;
1295   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1296   int num_entries = numTreeInfoInGroup(ti);
1297   int num_page_entries;
1298
1299   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1300     num_page_entries = num_entries;
1301   else
1302     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN;
1303
1304   if (button == MB_MENU_INITIALIZE)
1305   {
1306     int entry_pos = posTreeInfo(ti);
1307
1308     if (ti->cl_first == -1)
1309     {
1310       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1311       ti->cl_cursor =
1312         entry_pos - ti->cl_first;
1313     }
1314
1315     if (dx == 999)      /* first entry is set by scrollbar position */
1316       ti->cl_first = dy;
1317     else
1318       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1319                                 ti->cl_first, ti);
1320
1321     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1322     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1323     drawCursor(ti->cl_cursor, FC_RED);
1324     return;
1325   }
1326   else if (button == MB_MENU_LEAVE)
1327   {
1328     if (ti->node_parent)
1329     {
1330       *ti_ptr = ti->node_parent;
1331       DrawChooseTree(ti_ptr);
1332     }
1333     else if (game_status == GAME_MODE_SETUP)
1334     {
1335       execSetupArtwork();
1336     }
1337     else
1338     {
1339       game_status = GAME_MODE_MAIN;
1340       DrawMainMenu();
1341     }
1342
1343     return;
1344   }
1345
1346   if (mx || my)         /* mouse input */
1347   {
1348     x = (mx - mSX) / 32;
1349     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
1350   }
1351   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
1352   {
1353     /* move cursor instead of scrolling when already at start/end of list */
1354     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
1355       dy = -1;
1356     else if (dy == +1 * SCROLL_LINE &&
1357              ti->cl_first + num_page_entries == num_entries)
1358       dy = 1;
1359
1360     /* handle scrolling screen one line or page */
1361     if (ti->cl_cursor + dy < 0 ||
1362         ti->cl_cursor + dy > num_page_entries - 1)
1363     {
1364       if (ABS(dy) == SCROLL_PAGE)
1365         step = num_page_entries - 1;
1366
1367       if (dy < 0 && ti->cl_first > 0)
1368       {
1369         /* scroll page/line up */
1370
1371         ti->cl_first -= step;
1372         if (ti->cl_first < 0)
1373           ti->cl_first = 0;
1374
1375         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1376         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1377         drawCursor(ti->cl_cursor, FC_RED);
1378         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1379                                   ti->cl_first, ti);
1380       }
1381       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
1382       {
1383         /* scroll page/line down */
1384
1385         ti->cl_first += step;
1386         if (ti->cl_first + num_page_entries > num_entries)
1387           ti->cl_first = MAX(0, num_entries - num_page_entries);
1388
1389         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1390         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1391         drawCursor(ti->cl_cursor, FC_RED);
1392         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1393                                   ti->cl_first, ti);
1394       }
1395
1396       return;
1397     }
1398
1399     /* handle moving cursor one line */
1400     y = ti->cl_cursor + dy;
1401   }
1402
1403   if (dx == 1)
1404   {
1405     TreeInfo *node_first, *node_cursor;
1406     int entry_pos = ti->cl_first + y;
1407
1408     node_first = getTreeInfoFirstGroupEntry(ti);
1409     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1410
1411     if (node_cursor->node_group)
1412     {
1413       node_cursor->cl_first = ti->cl_first;
1414       node_cursor->cl_cursor = ti->cl_cursor;
1415       *ti_ptr = node_cursor->node_group;
1416       DrawChooseTree(ti_ptr);
1417       return;
1418     }
1419   }
1420   else if (dx == -1 && ti->node_parent)
1421   {
1422     *ti_ptr = ti->node_parent;
1423     DrawChooseTree(ti_ptr);
1424     return;
1425   }
1426
1427   if (x == 0 && y >= 0 && y < num_page_entries)
1428   {
1429     if (button)
1430     {
1431       if (y != ti->cl_cursor)
1432       {
1433         drawCursor(y, FC_RED);
1434         drawCursor(ti->cl_cursor, FC_BLUE);
1435         drawChooseTreeInfo(ti->cl_first + y, ti);
1436         ti->cl_cursor = y;
1437       }
1438     }
1439     else
1440     {
1441       TreeInfo *node_first, *node_cursor;
1442       int entry_pos = ti->cl_first + y;
1443
1444       node_first = getTreeInfoFirstGroupEntry(ti);
1445       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1446
1447       if (node_cursor->node_group)
1448       {
1449         node_cursor->cl_first = ti->cl_first;
1450         node_cursor->cl_cursor = ti->cl_cursor;
1451         *ti_ptr = node_cursor->node_group;
1452         DrawChooseTree(ti_ptr);
1453       }
1454       else if (node_cursor->parent_link)
1455       {
1456         *ti_ptr = node_cursor->node_parent;
1457         DrawChooseTree(ti_ptr);
1458       }
1459       else
1460       {
1461         node_cursor->cl_first = ti->cl_first;
1462         node_cursor->cl_cursor = ti->cl_cursor;
1463         *ti_ptr = node_cursor;
1464
1465         if (ti->type == TREE_TYPE_LEVEL_DIR)
1466         {
1467           LoadLevelSetup_SeriesInfo();
1468
1469           SaveLevelSetup_LastSeries();
1470           SaveLevelSetup_SeriesInfo();
1471           TapeErase();
1472         }
1473
1474         if (game_status == GAME_MODE_SETUP)
1475         {
1476           execSetupArtwork();
1477         }
1478         else
1479         {
1480           game_status = GAME_MODE_MAIN;
1481           DrawMainMenu();
1482         }
1483       }
1484     }
1485   }
1486
1487   BackToFront();
1488
1489   if (game_status == GAME_MODE_LEVELS || game_status == GAME_MODE_SETUP)
1490     DoAnimation();
1491 }
1492
1493 void DrawChooseLevel()
1494 {
1495   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
1496
1497   DrawChooseTree(&leveldir_current);
1498 }
1499
1500 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1501 {
1502   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1503 }
1504
1505 void DrawHallOfFame(int highlight_position)
1506 {
1507   UnmapAllGadgets();
1508   FadeSounds();
1509   CloseDoor(DOOR_CLOSE_2);
1510
1511   if (highlight_position < 0)
1512     LoadScore(level_nr);
1513
1514   FadeToFront();
1515   InitAnimation();
1516
1517   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1518
1519 #if 0
1520   PlaySound(SND_BACKGROUND_SCORES);
1521 #else
1522   PlaySound_Menu_Start(SND_BACKGROUND_SCORES);
1523 #endif
1524 }
1525
1526 static void drawHallOfFameList(int first_entry, int highlight_position)
1527 {
1528   int i;
1529
1530   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
1531   ClearWindow();
1532
1533   DrawText(mSX + 80, mSY + 8, "Hall Of Fame", FONT_TITLE_1);
1534   DrawTextFCentered(46, FONT_TITLE_2, "HighScores of Level %d", level_nr);
1535
1536   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1537   {
1538     int entry = first_entry + i;
1539     boolean active = (entry == highlight_position);
1540     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
1541     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
1542     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
1543     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
1544     int dx1 = 3 * getFontWidth(font_nr1);
1545     int dx2 = dx1 + getFontWidth(font_nr1);
1546     int dx3 = dx2 + 25 * getFontWidth(font_nr3);
1547     int sy = mSY + 64 + i * 32;
1548
1549     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
1550     DrawText(mSX + dx1, sy, ".", font_nr1);
1551     DrawText(mSX + dx2, sy, ".........................", font_nr3);
1552     if (strcmp(highscore[entry].Name, EMPTY_PLAYER_NAME) != 0)
1553       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
1554     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
1555   }
1556 }
1557
1558 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1559 {
1560   static int first_entry = 0;
1561   static int highlight_position = 0;
1562   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1563   int button_released = !button;
1564
1565   if (button == MB_MENU_INITIALIZE)
1566   {
1567     first_entry = 0;
1568     highlight_position = mx;
1569     drawHallOfFameList(first_entry, highlight_position);
1570     return;
1571   }
1572
1573   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
1574     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1575
1576   if (dy < 0)
1577   {
1578     if (first_entry > 0)
1579     {
1580       first_entry -= step;
1581       if (first_entry < 0)
1582         first_entry = 0;
1583
1584       drawHallOfFameList(first_entry, highlight_position);
1585       return;
1586     }
1587   }
1588   else if (dy > 0)
1589   {
1590     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1591     {
1592       first_entry += step;
1593       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1594         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1595
1596       drawHallOfFameList(first_entry, highlight_position);
1597       return;
1598     }
1599   }
1600
1601   if (button_released)
1602   {
1603     FadeSound(SND_BACKGROUND_SCORES);
1604     game_status = GAME_MODE_MAIN;
1605     DrawMainMenu();
1606   }
1607
1608   BackToFront();
1609
1610   if (game_status == GAME_MODE_SCORES)
1611   {
1612     DoAnimation();
1613 #if 1
1614     PlaySound_Menu_Continue(SND_BACKGROUND_SCORES);
1615 #endif
1616   }
1617 }
1618
1619
1620 /* ========================================================================= */
1621 /* setup screen functions                                                    */
1622 /* ========================================================================= */
1623
1624 static struct TokenInfo *setup_info;
1625 static int num_setup_info;
1626
1627 static char *graphics_set_name;
1628 static char *sounds_set_name;
1629 static char *music_set_name;
1630
1631 static void execSetupMain()
1632 {
1633   setup_mode = SETUP_MODE_MAIN;
1634   DrawSetupScreen();
1635 }
1636
1637 static void execSetupGame()
1638 {
1639   setup_mode = SETUP_MODE_GAME;
1640   DrawSetupScreen();
1641 }
1642
1643 static void execSetupEditor()
1644 {
1645   setup_mode = SETUP_MODE_EDITOR;
1646   DrawSetupScreen();
1647 }
1648
1649 static void execSetupGraphics()
1650 {
1651   setup_mode = SETUP_MODE_GRAPHICS;
1652   DrawSetupScreen();
1653 }
1654
1655 static void execSetupSound()
1656 {
1657   setup_mode = SETUP_MODE_SOUND;
1658   DrawSetupScreen();
1659 }
1660
1661 static void execSetupArtwork()
1662 {
1663   /* needed if last screen (setup choice) changed graphics, sounds or music */
1664   ReloadCustomArtwork();
1665
1666   setup.graphics_set = artwork.gfx_current->identifier;
1667   setup.sounds_set = artwork.snd_current->identifier;
1668   setup.music_set = artwork.mus_current->identifier;
1669
1670   /* needed for displaying artwork name instead of artwork identifier */
1671   graphics_set_name = artwork.gfx_current->name;
1672   sounds_set_name = artwork.snd_current->name;
1673   music_set_name = artwork.mus_current->name;
1674
1675   setup_mode = SETUP_MODE_ARTWORK;
1676   DrawSetupScreen();
1677 }
1678
1679 static void execSetupChooseGraphics()
1680 {
1681   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1682   DrawSetupScreen();
1683 }
1684
1685 static void execSetupChooseSounds()
1686 {
1687   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1688   DrawSetupScreen();
1689 }
1690
1691 static void execSetupChooseMusic()
1692 {
1693   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1694   DrawSetupScreen();
1695 }
1696
1697 static void execSetupInput()
1698 {
1699   setup_mode = SETUP_MODE_INPUT;
1700   DrawSetupScreen();
1701 }
1702
1703 static void execSetupShortcut()
1704 {
1705   setup_mode = SETUP_MODE_SHORTCUT;
1706   DrawSetupScreen();
1707 }
1708
1709 static void execExitSetup()
1710 {
1711   game_status = GAME_MODE_MAIN;
1712   DrawMainMenu();
1713 }
1714
1715 static void execSaveAndExitSetup()
1716 {
1717   SaveSetup();
1718   execExitSetup();
1719 }
1720
1721 static struct TokenInfo setup_info_main[] =
1722 {
1723   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1724   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor Settings"       },
1725   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1726   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1727   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1728   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1729   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1730   { TYPE_EMPTY,         NULL,                   ""                      },
1731   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1732   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
1733   { 0,                  NULL,                   NULL                    }
1734 };
1735
1736 static struct TokenInfo setup_info_game[] =
1737 {
1738   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1739   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1740   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1741   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1742   { TYPE_EMPTY,         NULL,                   ""                      },
1743   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1744   { 0,                  NULL,                   NULL                    }
1745 };
1746
1747 static struct TokenInfo setup_info_editor[] =
1748 {
1749   { TYPE_STRING,        NULL,                   "Offer Special Elements:"},
1750   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "BoulderDash:"  },
1751   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
1752   { TYPE_SWITCH,        &setup.editor.el_more,          "More:"         },
1753   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
1754   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
1755   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamd. Caves:" },
1756   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX Boulderd.:" },
1757   { TYPE_SWITCH,        &setup.editor.el_chars,         "Characters:"   },
1758   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom:"       },
1759   { TYPE_EMPTY,         NULL,                   ""                      },
1760   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1761   { 0,                  NULL,                   NULL                    }
1762 };
1763
1764 static struct TokenInfo setup_info_graphics[] =
1765 {
1766   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1767   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1768   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1769 #if 0
1770   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1771   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1772 #endif
1773   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1774   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1775   { TYPE_EMPTY,         NULL,                   ""                      },
1776   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1777   { 0,                  NULL,                   NULL                    }
1778 };
1779
1780 static struct TokenInfo setup_info_sound[] =
1781 {
1782   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1783   { TYPE_EMPTY,         NULL,                   ""                      },
1784   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1785   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1786   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1787   { TYPE_EMPTY,         NULL,                   ""                      },
1788   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1789   { 0,                  NULL,                   NULL                    }
1790 };
1791
1792 static struct TokenInfo setup_info_artwork[] =
1793 {
1794   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1795   { TYPE_STRING,        &graphics_set_name,     ""                      },
1796   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1797   { TYPE_STRING,        &sounds_set_name,       ""                      },
1798   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1799   { TYPE_STRING,        &music_set_name,        ""                      },
1800   { TYPE_EMPTY,         NULL,                   ""                      },
1801   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1802   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1803   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1804   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1805   { TYPE_EMPTY,         NULL,                   ""                      },
1806   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1807   { 0,                  NULL,                   NULL                    }
1808 };
1809
1810 static struct TokenInfo setup_info_shortcut[] =
1811 {
1812   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1813   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1814   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1815   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1816   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1817   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1818   { TYPE_EMPTY,         NULL,                   ""                      },
1819   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1820   { TYPE_EMPTY,         NULL,                   ""                      },
1821   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1822   { 0,                  NULL,                   NULL                    }
1823 };
1824
1825 static Key getSetupKey()
1826 {
1827   Key key = KSYM_UNDEFINED;
1828   boolean got_key_event = FALSE;
1829
1830   while (!got_key_event)
1831   {
1832     if (PendingEvent())         /* got event */
1833     {
1834       Event event;
1835
1836       NextEvent(&event);
1837
1838       switch(event.type)
1839       {
1840         case EVENT_KEYPRESS:
1841           {
1842             key = GetEventKey((KeyEvent *)&event, TRUE);
1843
1844             /* press 'Escape' or 'Enter' to keep the existing key binding */
1845             if (key == KSYM_Escape || key == KSYM_Return)
1846               key = KSYM_UNDEFINED;     /* keep old value */
1847
1848             got_key_event = TRUE;
1849           }
1850           break;
1851
1852         case EVENT_KEYRELEASE:
1853           key_joystick_mapping = 0;
1854           break;
1855
1856         default:
1857           HandleOtherEvents(&event);
1858           break;
1859       }
1860     }
1861
1862     BackToFront();
1863     DoAnimation();
1864
1865     /* don't eat all CPU time */
1866     Delay(10);
1867   }
1868
1869   return key;
1870 }
1871
1872 static void drawSetupValue(int pos)
1873 {
1874   int xpos = MENU_SCREEN_VALUE_XPOS;
1875   int ypos = MENU_SCREEN_START_YPOS + pos;
1876   int font_nr = FONT_VALUE_1;
1877   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1878                                      setup_info[pos].value);
1879
1880   if (value_string == NULL)
1881     return;
1882
1883   if (setup_info[pos].type & TYPE_KEY)
1884   {
1885     xpos = 3;
1886
1887     if (setup_info[pos].type & TYPE_QUERY)
1888     {
1889       value_string = "<press key>";
1890       font_nr = FONT_INPUT_1_ACTIVE;
1891     }
1892   }
1893   else if (setup_info[pos].type & TYPE_STRING)
1894   {
1895     int max_value_len = (SCR_FIELDX - 2) * 2;
1896
1897     xpos = 1;
1898     font_nr = FONT_VALUE_2;
1899
1900     if (strlen(value_string) > max_value_len)
1901       value_string[max_value_len] = '\0';
1902   }
1903   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1904   {
1905     font_nr = (*(boolean *)(setup_info[pos].value) ? FONT_OPTION_ON :
1906                FONT_OPTION_OFF);
1907   }
1908
1909   DrawText(mSX + xpos * 32, mSY + ypos * 32,
1910            (xpos == 3 ? "              " : "   "), font_nr);
1911   DrawText(mSX + xpos * 32, mSY + ypos * 32, value_string, font_nr);
1912 }
1913
1914 static void changeSetupValue(int pos)
1915 {
1916   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1917   {
1918     *(boolean *)setup_info[pos].value ^= TRUE;
1919   }
1920   else if (setup_info[pos].type & TYPE_KEY)
1921   {
1922     Key key;
1923
1924     setup_info[pos].type |= TYPE_QUERY;
1925     drawSetupValue(pos);
1926     setup_info[pos].type &= ~TYPE_QUERY;
1927
1928     key = getSetupKey();
1929     if (key != KSYM_UNDEFINED)
1930       *(Key *)setup_info[pos].value = key;
1931   }
1932
1933   drawSetupValue(pos);
1934 }
1935
1936 static void DrawSetupScreen_Generic()
1937 {
1938   char *title_string = NULL;
1939   int i;
1940
1941   UnmapAllGadgets();
1942   CloseDoor(DOOR_CLOSE_2);
1943
1944   ClearWindow();
1945
1946   if (setup_mode == SETUP_MODE_MAIN)
1947   {
1948     setup_info = setup_info_main;
1949     title_string = "Setup";
1950   }
1951   else if (setup_mode == SETUP_MODE_GAME)
1952   {
1953     setup_info = setup_info_game;
1954     title_string = "Setup Game";
1955   }
1956   else if (setup_mode == SETUP_MODE_EDITOR)
1957   {
1958     setup_info = setup_info_editor;
1959     title_string = "Setup Editor";
1960   }
1961   else if (setup_mode == SETUP_MODE_GRAPHICS)
1962   {
1963     setup_info = setup_info_graphics;
1964     title_string = "Setup Graphics";
1965   }
1966   else if (setup_mode == SETUP_MODE_SOUND)
1967   {
1968     setup_info = setup_info_sound;
1969     title_string = "Setup Sound";
1970   }
1971   else if (setup_mode == SETUP_MODE_ARTWORK)
1972   {
1973     setup_info = setup_info_artwork;
1974     title_string = "Custom Artwork";
1975   }
1976   else if (setup_mode == SETUP_MODE_SHORTCUT)
1977   {
1978     setup_info = setup_info_shortcut;
1979     title_string = "Setup Shortcuts";
1980   }
1981
1982   DrawText(mSX + 16, mSY + 16, title_string, FONT_TITLE_1);
1983
1984   num_setup_info = 0;
1985   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1986   {
1987     void *value_ptr = setup_info[i].value;
1988     int ypos = MENU_SCREEN_START_YPOS + i;
1989     int font_nr = FONT_MENU_1;
1990
1991     /* set some entries to "unchangeable" according to other variables */
1992     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
1993         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
1994         (value_ptr == &setup.sound_music && !audio.music_available) ||
1995         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
1996       setup_info[i].type |= TYPE_GHOSTED;
1997
1998     if (setup_info[i].type & TYPE_STRING)
1999       font_nr = FONT_MENU_2;
2000
2001     DrawText(mSX + 32, mSY + ypos * 32, setup_info[i].text, font_nr);
2002
2003     if (setup_info[i].type & TYPE_ENTER_MENU)
2004       initCursor(i, IMG_MENU_BUTTON_RIGHT);
2005     else if (setup_info[i].type & TYPE_LEAVE_MENU)
2006       initCursor(i, IMG_MENU_BUTTON_LEFT);
2007     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
2008       initCursor(i, IMG_MENU_BUTTON);
2009
2010     if (setup_info[i].type & TYPE_VALUE)
2011       drawSetupValue(i);
2012
2013     num_setup_info++;
2014   }
2015
2016   FadeToFront();
2017   InitAnimation();
2018   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
2019 }
2020
2021 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
2022 {
2023   static int choice_store[MAX_SETUP_MODES];
2024   int choice = choice_store[setup_mode];        /* always starts with 0 */
2025   int x = 0;
2026   int y = choice;
2027
2028   if (button == MB_MENU_INITIALIZE)
2029   {
2030     /* advance to first valid menu entry */
2031     while (choice < num_setup_info &&
2032            (setup_info[choice].type & TYPE_SKIP_ENTRY))
2033       choice++;
2034     choice_store[setup_mode] = choice;
2035
2036     drawCursor(choice, FC_RED);
2037     return;
2038   }
2039   else if (button == MB_MENU_LEAVE)
2040   {
2041     for (y=0; y<num_setup_info; y++)
2042     {
2043       if (setup_info[y].type & TYPE_LEAVE_MENU)
2044       {
2045         void (*menu_callback_function)(void) = setup_info[y].value;
2046
2047         menu_callback_function();
2048         break;  /* absolutely needed because function changes 'setup_info'! */
2049       }
2050     }
2051
2052     return;
2053   }
2054
2055   if (mx || my)         /* mouse input */
2056   {
2057     x = (mx - mSX) / 32;
2058     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2059   }
2060   else if (dx || dy)    /* keyboard input */
2061   {
2062     if (dx)
2063     {
2064       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
2065
2066       if ((setup_info[choice].type & menu_navigation_type) ||
2067           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
2068         button = MB_MENU_CHOICE;
2069     }
2070     else if (dy)
2071       y = choice + dy;
2072
2073     /* jump to next non-empty menu entry (up or down) */
2074     while (y > 0 && y < num_setup_info - 1 &&
2075            (setup_info[y].type & TYPE_SKIP_ENTRY))
2076       y += dy;
2077   }
2078
2079   if (x == 0 && y >= 0 && y < num_setup_info &&
2080       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
2081   {
2082     if (button)
2083     {
2084       if (y != choice)
2085       {
2086         drawCursor(y, FC_RED);
2087         drawCursor(choice, FC_BLUE);
2088         choice = choice_store[setup_mode] = y;
2089       }
2090     }
2091     else if (!(setup_info[y].type & TYPE_GHOSTED))
2092     {
2093       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
2094       {
2095         void (*menu_callback_function)(void) = setup_info[choice].value;
2096
2097         menu_callback_function();
2098       }
2099       else
2100       {
2101         if ((setup_info[y].type & TYPE_KEYTEXT) &&
2102             (setup_info[y + 1].type & TYPE_KEY))
2103           y++;
2104
2105         if (setup_info[y].type & TYPE_VALUE)
2106           changeSetupValue(y);
2107       }
2108     }
2109   }
2110
2111   BackToFront();
2112
2113   if (game_status == GAME_MODE_SETUP)
2114     DoAnimation();
2115 }
2116
2117 void DrawSetupScreen_Input()
2118 {
2119   ClearWindow();
2120
2121   DrawText(mSX+16, mSY+16, "Setup Input", FONT_TITLE_1);
2122
2123   initCursor(0, IMG_MENU_BUTTON);
2124   initCursor(1, IMG_MENU_BUTTON);
2125   initCursor(2, IMG_MENU_BUTTON_RIGHT);
2126   initCursor(13, IMG_MENU_BUTTON_LEFT);
2127
2128   drawCursorXY(10, 0, IMG_MENU_BUTTON_LEFT);
2129   drawCursorXY(12, 0, IMG_MENU_BUTTON_RIGHT);
2130
2131   DrawText(mSX+32, mSY+2*32, "Player:", FONT_MENU_1);
2132   DrawText(mSX+32, mSY+3*32, "Device:", FONT_MENU_1);
2133   DrawText(mSX+32, mSY+15*32, "Back",   FONT_MENU_1);
2134
2135 #if 0
2136   DeactivateJoystickForCalibration();
2137   DrawTextFCentered(SYSIZE - 20, FONT_TEXT_4,
2138                     "Joysticks deactivated on this screen");
2139 #endif
2140
2141   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
2142   FadeToFront();
2143   InitAnimation();
2144 }
2145
2146 static void setJoystickDeviceToNr(char *device_name, int device_nr)
2147 {
2148   if (device_name == NULL)
2149     return;
2150
2151   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
2152     device_nr = 0;
2153
2154   if (strlen(device_name) > 1)
2155   {
2156     char c1 = device_name[strlen(device_name) - 1];
2157     char c2 = device_name[strlen(device_name) - 2];
2158
2159     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
2160       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
2161   }
2162   else
2163     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
2164             strlen(device_name));
2165 }
2166
2167 static void drawPlayerSetupInputInfo(int player_nr)
2168 {
2169   int i;
2170   static struct SetupKeyboardInfo custom_key;
2171   static struct
2172   {
2173     Key *key;
2174     char *text;
2175   } custom[] =
2176   {
2177     { &custom_key.left,  "Joystick Left"  },
2178     { &custom_key.right, "Joystick Right" },
2179     { &custom_key.up,    "Joystick Up"    },
2180     { &custom_key.down,  "Joystick Down"  },
2181     { &custom_key.snap,  "Button 1"       },
2182     { &custom_key.bomb,  "Button 2"       }
2183   };
2184   static char *joystick_name[MAX_PLAYERS] =
2185   {
2186     "Joystick1",
2187     "Joystick2",
2188     "Joystick3",
2189     "Joystick4"
2190   };
2191
2192   custom_key = setup.input[player_nr].key;
2193
2194   DrawText(mSX+11*32, mSY+2*32, int2str(player_nr +1, 1), FONT_INPUT_1_ACTIVE);
2195 #if 1
2196   DrawGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
2197                          PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2198 #else
2199   DrawGraphicThruMask(8, 2, PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2200 #endif
2201
2202   if (setup.input[player_nr].use_joystick)
2203   {
2204     char *device_name = setup.input[player_nr].joy.device_name;
2205
2206     DrawText(mSX+8*32, mSY+3*32,
2207              joystick_name[getJoystickNrFromDeviceName(device_name)],
2208              FONT_VALUE_1);
2209     DrawText(mSX+32, mSY+4*32, "Calibrate", FONT_MENU_1);
2210   }
2211   else
2212   {
2213     DrawText(mSX+8*32, mSY+3*32, "Keyboard ", FONT_VALUE_1);
2214     DrawText(mSX+32,   mSY+4*32, "Customize", FONT_MENU_1);
2215   }
2216
2217   DrawText(mSX+32, mSY+5*32, "Actual Settings:", FONT_MENU_1);
2218   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
2219   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
2220   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
2221   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
2222   DrawText(mSX+2*32, mSY+6*32, ":", FONT_VALUE_OLD);
2223   DrawText(mSX+2*32, mSY+7*32, ":", FONT_VALUE_OLD);
2224   DrawText(mSX+2*32, mSY+8*32, ":", FONT_VALUE_OLD);
2225   DrawText(mSX+2*32, mSY+9*32, ":", FONT_VALUE_OLD);
2226   DrawText(mSX+32, mSY+10*32, "Snap Field:", FONT_VALUE_OLD);
2227   DrawText(mSX+32, mSY+12*32, "Place Bomb:", FONT_VALUE_OLD);
2228
2229   for (i=0; i<6; i++)
2230   {
2231     int ypos = 6 + i + (i > 3 ? i-3 : 0);
2232
2233     DrawText(mSX + 3*32, mSY + ypos*32,
2234              "              ", FONT_VALUE_1);
2235     DrawText(mSX + 3*32, mSY + ypos*32,
2236              (setup.input[player_nr].use_joystick ?
2237               custom[i].text :
2238               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
2239   }
2240 }
2241
2242 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
2243 {
2244   static int choice = 0;
2245   static int player_nr = 0;
2246   int x = 0;
2247   int y = choice;
2248   int pos_start  = SETUPINPUT_SCREEN_POS_START;
2249   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
2250   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
2251   int pos_end    = SETUPINPUT_SCREEN_POS_END;
2252
2253   if (button == MB_MENU_INITIALIZE)
2254   {
2255     drawPlayerSetupInputInfo(player_nr);
2256     drawCursor(choice, FC_RED);
2257     return;
2258   }
2259   else if (button == MB_MENU_LEAVE)
2260   {
2261     setup_mode = SETUP_MODE_MAIN;
2262     DrawSetupScreen();
2263     InitJoysticks();
2264   }
2265
2266   if (mx || my)         /* mouse input */
2267   {
2268     x = (mx - mSX) / 32;
2269     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2270   }
2271   else if (dx || dy)    /* keyboard input */
2272   {
2273     if (dx && choice == 0)
2274       x = (dx < 0 ? 10 : 12);
2275     else if ((dx && choice == 1) ||
2276              (dx == +1 && choice == 2) ||
2277              (dx == -1 && choice == pos_end))
2278       button = MB_MENU_CHOICE;
2279     else if (dy)
2280       y = choice + dy;
2281
2282     if (y >= pos_empty1 && y <= pos_empty2)
2283       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
2284   }
2285
2286   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
2287   {
2288     static unsigned long delay = 0;
2289
2290     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
2291       goto out;
2292
2293     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
2294
2295     drawPlayerSetupInputInfo(player_nr);
2296   }
2297   else if (x == 0 && y >= pos_start && y <= pos_end &&
2298            !(y >= pos_empty1 && y <= pos_empty2))
2299   {
2300     if (button)
2301     {
2302       if (y != choice)
2303       {
2304         drawCursor(y, FC_RED);
2305         drawCursor(choice, FC_BLUE);
2306         choice = y;
2307       }
2308     }
2309     else
2310     {
2311       if (y == 1)
2312       {
2313         char *device_name = setup.input[player_nr].joy.device_name;
2314
2315         if (!setup.input[player_nr].use_joystick)
2316         {
2317           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2318
2319           setJoystickDeviceToNr(device_name, new_device_nr);
2320           setup.input[player_nr].use_joystick = TRUE;
2321         }
2322         else
2323         {
2324           int device_nr = getJoystickNrFromDeviceName(device_name);
2325           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2326
2327           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2328             setup.input[player_nr].use_joystick = FALSE;
2329           else
2330             setJoystickDeviceToNr(device_name, new_device_nr);
2331         }
2332
2333         drawPlayerSetupInputInfo(player_nr);
2334       }
2335       else if (y == 2)
2336       {
2337         if (setup.input[player_nr].use_joystick)
2338         {
2339           InitJoysticks();
2340           CalibrateJoystick(player_nr);
2341         }
2342         else
2343           CustomizeKeyboard(player_nr);
2344       }
2345       else if (y == pos_end)
2346       {
2347         InitJoysticks();
2348
2349         setup_mode = SETUP_MODE_MAIN;
2350         DrawSetupScreen();
2351       }
2352     }
2353   }
2354
2355   BackToFront();
2356
2357   out:
2358
2359   if (game_status == GAME_MODE_SETUP)
2360     DoAnimation();
2361 }
2362
2363 void CustomizeKeyboard(int player_nr)
2364 {
2365   int i;
2366   int step_nr;
2367   boolean finished = FALSE;
2368   static struct SetupKeyboardInfo custom_key;
2369   static struct
2370   {
2371     Key *key;
2372     char *text;
2373   } customize_step[] =
2374   {
2375     { &custom_key.left,  "Move Left"  },
2376     { &custom_key.right, "Move Right" },
2377     { &custom_key.up,    "Move Up"    },
2378     { &custom_key.down,  "Move Down"  },
2379     { &custom_key.snap,  "Snap Field" },
2380     { &custom_key.bomb,  "Place Bomb" }
2381   };
2382
2383   /* read existing key bindings from player setup */
2384   custom_key = setup.input[player_nr].key;
2385
2386   ClearWindow();
2387   DrawText(mSX + 16, mSY + 16, "Keyboard Input", FONT_TITLE_1);
2388
2389   BackToFront();
2390   InitAnimation();
2391
2392   step_nr = 0;
2393   DrawText(mSX, mSY + (2+2*step_nr)*32,
2394            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2395   DrawText(mSX, mSY + (2+2*step_nr+1)*32,
2396            "Key:", FONT_INPUT_1_ACTIVE);
2397   DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2398            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
2399
2400   while(!finished)
2401   {
2402     if (PendingEvent())         /* got event */
2403     {
2404       Event event;
2405
2406       NextEvent(&event);
2407
2408       switch(event.type)
2409       {
2410         case EVENT_KEYPRESS:
2411           {
2412             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2413
2414             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2415             {
2416               finished = TRUE;
2417               break;
2418             }
2419
2420             /* all keys configured -- wait for "Escape" or "Return" key */
2421             if (step_nr == 6)
2422               break;
2423
2424             /* press 'Enter' to keep the existing key binding */
2425             if (key == KSYM_Return)
2426               key = *customize_step[step_nr].key;
2427
2428             /* check if key already used */
2429             for (i=0; i<step_nr; i++)
2430               if (*customize_step[i].key == key)
2431                 break;
2432             if (i < step_nr)
2433               break;
2434
2435             /* got new key binding */
2436             *customize_step[step_nr].key = key;
2437             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2438                      "             ", FONT_VALUE_1);
2439             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2440                      getKeyNameFromKey(key), FONT_VALUE_1);
2441             step_nr++;
2442
2443             /* un-highlight last query */
2444             DrawText(mSX, mSY+(2+2*(step_nr-1))*32,
2445                      customize_step[step_nr-1].text, FONT_MENU_1);
2446             DrawText(mSX, mSY+(2+2*(step_nr-1)+1)*32,
2447                      "Key:", FONT_MENU_1);
2448
2449             /* press 'Enter' to leave */
2450             if (step_nr == 6)
2451             {
2452               DrawText(mSX + 16, mSY + 15*32+16,
2453                        "Press Enter", FONT_TITLE_1);
2454               break;
2455             }
2456
2457             /* query next key binding */
2458             DrawText(mSX, mSY+(2+2*step_nr)*32,
2459                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2460             DrawText(mSX, mSY+(2+2*step_nr+1)*32,
2461                      "Key:", FONT_INPUT_1_ACTIVE);
2462             DrawText(mSX + 4*32, mSY+(2+2*step_nr+1)*32,
2463                      getKeyNameFromKey(*customize_step[step_nr].key),
2464                      FONT_VALUE_OLD);
2465           }
2466           break;
2467
2468         case EVENT_KEYRELEASE:
2469           key_joystick_mapping = 0;
2470           break;
2471
2472         default:
2473           HandleOtherEvents(&event);
2474           break;
2475       }
2476     }
2477
2478     BackToFront();
2479     DoAnimation();
2480
2481     /* don't eat all CPU time */
2482     Delay(10);
2483   }
2484
2485   /* write new key bindings back to player setup */
2486   setup.input[player_nr].key = custom_key;
2487
2488   StopAnimation();
2489   DrawSetupScreen_Input();
2490 }
2491
2492 static boolean CalibrateJoystickMain(int player_nr)
2493 {
2494   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2495   int new_joystick_xright = JOYSTICK_XMIDDLE;
2496   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2497   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2498   int new_joystick_xmiddle, new_joystick_ymiddle;
2499
2500   int joystick_fd = joystick.fd[player_nr];
2501   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2502   boolean check[3][3];
2503   int check_remaining = 3 * 3;
2504   int joy_x, joy_y;
2505   int joy_value;
2506   int result = -1;
2507
2508   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2509     return FALSE;
2510
2511   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2512     return FALSE;
2513
2514   ClearWindow();
2515
2516   for(y=0; y < 3; y++)
2517   {
2518     for(x=0; x < 3; x++)
2519     {
2520       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
2521       check[x][y] = FALSE;
2522     }
2523   }
2524
2525   DrawText(mSX,      mSY +  6 * 32, " ROTATE JOYSTICK ", FONT_TITLE_1);
2526   DrawText(mSX,      mSY +  7 * 32, "IN ALL DIRECTIONS", FONT_TITLE_1);
2527   DrawText(mSX + 16, mSY +  9 * 32, "  IF ALL BALLS  ",  FONT_TITLE_1);
2528   DrawText(mSX,      mSY + 10 * 32, "   ARE YELLOW,   ", FONT_TITLE_1);
2529   DrawText(mSX,      mSY + 11 * 32, " CENTER JOYSTICK ", FONT_TITLE_1);
2530   DrawText(mSX,      mSY + 12 * 32, "       AND       ", FONT_TITLE_1);
2531   DrawText(mSX,      mSY + 13 * 32, "PRESS ANY BUTTON!", FONT_TITLE_1);
2532
2533   joy_value = Joystick(player_nr);
2534   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2535   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2536
2537   /* eventually uncalibrated center position (joystick could be uncentered) */
2538   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2539     return FALSE;
2540
2541   new_joystick_xmiddle = joy_x;
2542   new_joystick_ymiddle = joy_y;
2543
2544   DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
2545   BackToFront();
2546
2547   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2548   InitAnimation();
2549
2550   while(result < 0)
2551   {
2552     if (PendingEvent())         /* got event */
2553     {
2554       Event event;
2555
2556       NextEvent(&event);
2557
2558       switch(event.type)
2559       {
2560         case EVENT_KEYPRESS:
2561           switch(GetEventKey((KeyEvent *)&event, TRUE))
2562           {
2563             case KSYM_Return:
2564               if (check_remaining == 0)
2565                 result = 1;
2566               break;
2567
2568             case KSYM_Escape:
2569               result = 0;
2570               break;
2571
2572             default:
2573               break;
2574           }
2575           break;
2576
2577         case EVENT_KEYRELEASE:
2578           key_joystick_mapping = 0;
2579           break;
2580
2581         default:
2582           HandleOtherEvents(&event);
2583           break;
2584       }
2585     }
2586
2587     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2588       return FALSE;
2589
2590     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2591     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2592     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2593     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2594
2595     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2596     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2597     setup.input[player_nr].joy.xright = new_joystick_xright;
2598     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2599     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2600     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2601
2602     CheckJoystickData();
2603
2604     joy_value = Joystick(player_nr);
2605
2606     if (joy_value & JOY_BUTTON && check_remaining == 0)
2607       result = 1;
2608
2609     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2610     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2611
2612     if (x != last_x || y != last_y)
2613     {
2614       DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_YELLOW, 0);
2615       DrawGraphic(xpos + x,      ypos + y,      IMG_MENU_CALIBRATE_RED,    0);
2616
2617       last_x = x;
2618       last_y = y;
2619
2620       if (check_remaining > 0 && !check[x+1][y+1])
2621       {
2622         check[x+1][y+1] = TRUE;
2623         check_remaining--;
2624       }
2625
2626 #if 0
2627 #ifdef DEBUG
2628       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2629              setup.input[player_nr].joy.xleft,
2630              setup.input[player_nr].joy.xmiddle,
2631              setup.input[player_nr].joy.xright);
2632       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2633              setup.input[player_nr].joy.yupper,
2634              setup.input[player_nr].joy.ymiddle,
2635              setup.input[player_nr].joy.ylower);
2636 #endif
2637 #endif
2638
2639     }
2640
2641     BackToFront();
2642     DoAnimation();
2643
2644     /* don't eat all CPU time */
2645     Delay(10);
2646   }
2647
2648   /* calibrated center position (joystick should now be centered) */
2649   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2650     return FALSE;
2651
2652   new_joystick_xmiddle = joy_x;
2653   new_joystick_ymiddle = joy_y;
2654
2655   StopAnimation();
2656
2657   DrawSetupScreen_Input();
2658
2659   /* wait until the last pressed button was released */
2660   while (Joystick(player_nr) & JOY_BUTTON)
2661   {
2662     if (PendingEvent())         /* got event */
2663     {
2664       Event event;
2665
2666       NextEvent(&event);
2667       HandleOtherEvents(&event);
2668
2669       Delay(10);
2670     }
2671   }
2672
2673   return TRUE;
2674 }
2675
2676 void CalibrateJoystick(int player_nr)
2677 {
2678   if (!CalibrateJoystickMain(player_nr))
2679   {
2680     ClearWindow();
2681
2682     DrawText(mSX + 16, mSY + 6*32, "  JOYSTICK NOT  ",  FONT_TITLE_1);
2683     DrawText(mSX,      mSY + 7*32, "    AVAILABLE    ", FONT_TITLE_1);
2684     BackToFront();
2685     Delay(2000);        /* show error message for two seconds */
2686   }
2687 }
2688
2689 void DrawSetupScreen()
2690 {
2691   DeactivateJoystick();
2692
2693   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
2694
2695   if (setup_mode == SETUP_MODE_INPUT)
2696     DrawSetupScreen_Input();
2697   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2698     DrawChooseTree(&artwork.gfx_current);
2699   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2700     DrawChooseTree(&artwork.snd_current);
2701   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2702     DrawChooseTree(&artwork.mus_current);
2703   else
2704     DrawSetupScreen_Generic();
2705 }
2706
2707 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2708 {
2709   if (setup_mode == SETUP_MODE_INPUT)
2710     HandleSetupScreen_Input(mx, my, dx, dy, button);
2711   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2712     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2713   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2714     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2715   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2716     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2717   else
2718     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2719 }
2720
2721 void HandleGameActions()
2722 {
2723   if (game_status != GAME_MODE_PLAYING)
2724     return;
2725
2726   if (local_player->LevelSolved)
2727     GameWon();
2728
2729   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2730     TapeStop();
2731
2732   GameActions();
2733
2734   BackToFront();
2735
2736 #if 1
2737   if (tape.auto_play && !tape.playing)
2738     AutoPlayTape();     /* continue automatically playing next tape */
2739 #endif
2740 }
2741
2742 /* ---------- new screen button stuff -------------------------------------- */
2743
2744 /* graphic position and size values for buttons and scrollbars */
2745 #define SC_SCROLLBUTTON_XSIZE           TILEX
2746 #define SC_SCROLLBUTTON_YSIZE           TILEY
2747
2748 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2749 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
2750                                          SC_SCROLLBUTTON_YSIZE)
2751 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2752 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
2753 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2754 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
2755                                          SC_SCROLLBUTTON_YSIZE)
2756 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2757 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
2758                                          SC_SCROLL_VERTICAL_YSIZE)
2759
2760 #define SC_BORDER_SIZE                  14
2761
2762 static struct
2763 {
2764   int gfx_unpressed, gfx_pressed;
2765   int x, y;
2766   int gadget_id;
2767   char *infotext;
2768 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2769 {
2770   {
2771     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
2772     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2773     SCREEN_CTRL_ID_SCROLL_UP,
2774     "scroll up"
2775   },
2776   {
2777     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
2778     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2779     SCREEN_CTRL_ID_SCROLL_DOWN,
2780     "scroll down"
2781   }
2782 };
2783
2784 static struct
2785 {
2786 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2787   Bitmap **gfx_unpressed, **gfx_pressed;
2788 #else
2789   int gfx_unpressed, gfx_pressed;
2790 #endif
2791   int x, y;
2792   int width, height;
2793   int type;
2794   int gadget_id;
2795   char *infotext;
2796 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2797 {
2798   {
2799 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2800     &scrollbar_bitmap[0], &scrollbar_bitmap[1],
2801 #else
2802     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
2803 #endif
2804     SX + SC_SCROLL_VERTICAL_XPOS, SY + SC_SCROLL_VERTICAL_YPOS,
2805     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2806     GD_TYPE_SCROLLBAR_VERTICAL,
2807     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2808     "scroll level series vertically"
2809   }
2810 };
2811
2812 static void CreateScreenScrollbuttons()
2813 {
2814   struct GadgetInfo *gi;
2815   unsigned long event_mask;
2816   int i;
2817
2818   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2819   {
2820     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2821     int gfx_unpressed, gfx_pressed;
2822     int x, y, width, height;
2823     int gd_x1, gd_x2, gd_y1, gd_y2;
2824     int id = scrollbutton_info[i].gadget_id;
2825
2826     x = scrollbutton_info[i].x;
2827     y = scrollbutton_info[i].y;
2828
2829     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2830
2831     x += SX;
2832     y += SY;
2833     width = SC_SCROLLBUTTON_XSIZE;
2834     height = SC_SCROLLBUTTON_YSIZE;
2835
2836     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2837     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2838     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2839     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2840     gd_x1 = graphic_info[gfx_unpressed].src_x;
2841     gd_y1 = graphic_info[gfx_unpressed].src_y;
2842     gd_x2 = graphic_info[gfx_pressed].src_x;
2843     gd_y2 = graphic_info[gfx_pressed].src_y;
2844
2845     gi = CreateGadget(GDI_CUSTOM_ID, id,
2846                       GDI_CUSTOM_TYPE_ID, i,
2847                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2848                       GDI_X, x,
2849                       GDI_Y, y,
2850                       GDI_WIDTH, width,
2851                       GDI_HEIGHT, height,
2852                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2853                       GDI_STATE, GD_BUTTON_UNPRESSED,
2854                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2855                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2856                       GDI_EVENT_MASK, event_mask,
2857                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2858                       GDI_END);
2859
2860     if (gi == NULL)
2861       Error(ERR_EXIT, "cannot create gadget");
2862
2863     screen_gadget[id] = gi;
2864   }
2865 }
2866
2867 static void CreateScreenScrollbars()
2868 {
2869   int i;
2870
2871   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2872   {
2873     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2874 #if !defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2875     int gfx_unpressed, gfx_pressed;
2876 #endif
2877     int gd_x1, gd_x2, gd_y1, gd_y2;
2878     struct GadgetInfo *gi;
2879     int items_max, items_visible, item_position;
2880     unsigned long event_mask;
2881     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN;
2882     int id = scrollbar_info[i].gadget_id;
2883
2884     items_max = num_page_entries;
2885     items_visible = num_page_entries;
2886     item_position = 0;
2887
2888     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2889
2890 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2891     gd_bitmap_unpressed = *scrollbar_info[i].gfx_unpressed;
2892     gd_bitmap_pressed   = *scrollbar_info[i].gfx_pressed;
2893     gd_x1 = 0;
2894     gd_y1 = 0;
2895     gd_x2 = 0;
2896     gd_y2 = 0;
2897 #else
2898     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
2899     gfx_pressed   = scrollbar_info[i].gfx_pressed;
2900     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2901     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2902     gd_x1 = graphic_info[gfx_unpressed].src_x;
2903     gd_y1 = graphic_info[gfx_unpressed].src_y;
2904     gd_x2 = graphic_info[gfx_pressed].src_x;
2905     gd_y2 = graphic_info[gfx_pressed].src_y;
2906 #endif
2907
2908     gi = CreateGadget(GDI_CUSTOM_ID, id,
2909                       GDI_CUSTOM_TYPE_ID, i,
2910                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2911                       GDI_X, scrollbar_info[i].x,
2912                       GDI_Y, scrollbar_info[i].y,
2913                       GDI_WIDTH, scrollbar_info[i].width,
2914                       GDI_HEIGHT, scrollbar_info[i].height,
2915                       GDI_TYPE, scrollbar_info[i].type,
2916                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2917                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2918                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2919                       GDI_STATE, GD_BUTTON_UNPRESSED,
2920                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2921                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2922                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
2923                       GDI_EVENT_MASK, event_mask,
2924                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2925                       GDI_END);
2926
2927     if (gi == NULL)
2928       Error(ERR_EXIT, "cannot create gadget");
2929
2930     screen_gadget[id] = gi;
2931   }
2932 }
2933
2934 void CreateScreenGadgets()
2935 {
2936 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2937   int i;
2938
2939   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
2940   {
2941     scrollbar_bitmap[i] = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
2942
2943     /* copy pointers to clip mask and GC */
2944     scrollbar_bitmap[i]->clip_mask =
2945       graphic_info[IMG_MENU_SCROLLBAR + i].clip_mask;
2946     scrollbar_bitmap[i]->stored_clip_gc =
2947       graphic_info[IMG_MENU_SCROLLBAR + i].clip_gc;
2948
2949     BlitBitmap(graphic_info[IMG_MENU_SCROLLBAR + i].bitmap,
2950                scrollbar_bitmap[i],
2951                graphic_info[IMG_MENU_SCROLLBAR + i].src_x,
2952                graphic_info[IMG_MENU_SCROLLBAR + i].src_y,
2953                TILEX, TILEY, 0, 0);
2954   }
2955 #endif
2956
2957   CreateScreenScrollbuttons();
2958   CreateScreenScrollbars();
2959 }
2960
2961 void FreeScreenGadgets()
2962 {
2963   int i;
2964
2965 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2966   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
2967   {
2968     /* prevent freeing clip mask and GC twice */
2969     scrollbar_bitmap[i]->clip_mask = None;
2970     scrollbar_bitmap[i]->stored_clip_gc = None;
2971
2972     FreeBitmap(scrollbar_bitmap[i]);
2973   }
2974 #endif
2975
2976   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2977     FreeGadget(screen_gadget[i]);
2978 }
2979
2980 void MapChooseTreeGadgets(TreeInfo *ti)
2981 {
2982   int num_entries = numTreeInfoInGroup(ti);
2983   int i;
2984
2985   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
2986     return;
2987
2988   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2989     MapGadget(screen_gadget[i]);
2990 }
2991
2992 void UnmapChooseTreeGadgets()
2993 {
2994   int i;
2995
2996   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2997     UnmapGadget(screen_gadget[i]);
2998 }
2999
3000 static void HandleScreenGadgets(struct GadgetInfo *gi)
3001 {
3002   int id = gi->custom_id;
3003
3004   if (game_status != GAME_MODE_LEVELS && game_status != GAME_MODE_SETUP)
3005     return;
3006
3007   switch (id)
3008   {
3009     case SCREEN_CTRL_ID_SCROLL_UP:
3010       if (game_status == GAME_MODE_LEVELS)
3011         HandleChooseLevel(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3012       else if (game_status == GAME_MODE_SETUP)
3013         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3014       break;
3015
3016     case SCREEN_CTRL_ID_SCROLL_DOWN:
3017       if (game_status == GAME_MODE_LEVELS)
3018         HandleChooseLevel(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3019       else if (game_status == GAME_MODE_SETUP)
3020         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3021       break;
3022
3023     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
3024       if (game_status == GAME_MODE_LEVELS)
3025         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3026       else if (game_status == GAME_MODE_SETUP)
3027         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3028       break;
3029
3030     default:
3031       break;
3032   }
3033 }