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 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
  82                                     menu.list_size[game_status] :       \
  83                                     MAX_MENU_ENTRIES_ON_SCREEN)
  84
  85 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
  86 #define NUM_SCROLLBAR_BITMAPS           2
  87 static Bitmap *scrollbar_bitmap[NUM_SCROLLBAR_BITMAPS];
  88 #endif
  89
  90
  91 static void drawCursorExt(int xpos, int ypos, int color, int graphic)
  92 {
  93   static int cursor_array[SCR_FIELDY];
  94
  95   if (xpos == 0)
  96   {
  97     if (graphic != 0)
  98       cursor_array[ypos] = graphic;
  99     else
 100       graphic = cursor_array[ypos];
 101   }
 102
 103   if (color == FC_RED)
 104     graphic = (graphic == IMG_MENU_BUTTON_LEFT  ? IMG_MENU_BUTTON_LEFT_ACTIVE :
 105                graphic == IMG_MENU_BUTTON_RIGHT ? IMG_MENU_BUTTON_RIGHT_ACTIVE:
 106                IMG_MENU_BUTTON_ACTIVE);
 107
 108   ypos += MENU_SCREEN_START_YPOS;
 109
 110   DrawBackground(mSX + xpos * TILEX, mSY + ypos * TILEY, TILEX, TILEY);
 111   DrawGraphicThruMaskExt(drawto, mSX + xpos * TILEX, mSY + ypos * TILEY,
 112                          graphic, 0);
 113 }
 114
 115 static void initCursor(int ypos, int graphic)
 116 {
 117   drawCursorExt(0, ypos, FC_BLUE, graphic);
 118 }
 119
 120 static void drawCursor(int ypos, int color)
 121 {
 122   drawCursorExt(0, ypos, color, 0);
 123 }
 124
 125 static void drawCursorXY(int xpos, int ypos, int graphic)
 126 {
 127   drawCursorExt(xpos, ypos, -1, graphic);
 128 }
 129
 130 static void drawChooseTreeCursor(int ypos, int color)
 131 {
 132   int last_game_status = game_status;   /* save current game status */
 133
 134   /* force LEVELS draw offset on artwork setup screen */
 135   game_status = GAME_MODE_LEVELS;
 136
 137   drawCursorExt(0, ypos, color, 0);
 138
 139   game_status = last_game_status;       /* restore current game status */
 140 }
 141
 142 static void PlaySound_Menu_Start(int sound)
 143 {
 144   if (sound_info[sound].loop)
 145     PlaySoundLoop(sound);
 146   else
 147     PlaySound(sound);
 148 }
 149
 150 static void PlaySound_Menu_Continue(int sound)
 151 {
 152   if (sound_info[sound].loop)
 153     PlaySoundLoop(sound);
 154 }
 155
 156 void DrawHeadline()
 157 {
 158   int font1_width = getFontWidth(FONT_TITLE_1);
 159   int font2_width = getFontWidth(FONT_TITLE_2);
 160   int x1 = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING)   * font1_width) / 2;
 161   int x2 = SX + (SXSIZE - strlen(WINDOW_SUBTITLE_STRING) * font2_width) / 2;
 162
 163   DrawText(x1, SY + 8,  PROGRAM_TITLE_STRING,   FONT_TITLE_1);
 164   DrawText(x2, SY + 46, WINDOW_SUBTITLE_STRING, FONT_TITLE_2);
 165 }
 166
 167 static void ToggleFullscreenIfNeeded()
 168 {
 169   if (setup.fullscreen != video.fullscreen_enabled)
 170   {
 171     /* save old door content */
 172     BlitBitmap(backbuffer, bitmap_db_door,
 173                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 174
 175     /* toggle fullscreen */
 176     ChangeVideoModeIfNeeded(setup.fullscreen);
 177     setup.fullscreen = video.fullscreen_enabled;
 178
 179     /* redraw background to newly created backbuffer */
 180     BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
 181                0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 182
 183     /* restore old door content */
 184     BlitBitmap(bitmap_db_door, backbuffer,
 185                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 186
 187     redraw_mask = REDRAW_ALL;
 188   }
 189 }
 190
 191 void DrawMainMenu()
 192 {
 193   static LevelDirTree *leveldir_last_valid = NULL;
 194   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 195   int font_width = getFontWidth(FONT_MENU_1);
 196   int name_width = font_width * strlen("Name:");
 197   int level_width = font_width * strlen("Level:");
 198   int i;
 199
 200   UnmapAllGadgets();
 201   FadeSounds();
 202
 203   KeyboardAutoRepeatOn();
 204   ActivateJoystick();
 205
 206   SetDrawDeactivationMask(REDRAW_NONE);
 207   SetDrawBackgroundMask(REDRAW_FIELD);
 208
 209   audio.sound_deactivated = FALSE;
 210
 211   /* needed if last screen was the playing screen, invoked from level editor */
 212   if (level_editor_test_game)
 213   {
 214     game_status = GAME_MODE_EDITOR;
 215     DrawLevelEd();
 216     return;
 217   }
 218
 219   /* needed if last screen was the editor screen */
 220   UndrawSpecialEditorDoor();
 221
 222   /* needed if last screen was the setup screen and fullscreen state changed */
 223   ToggleFullscreenIfNeeded();
 224
 225   /* needed if last screen (level choice) changed graphics, sounds or music */
 226   ReloadCustomArtwork();
 227
 228 #ifdef TARGET_SDL
 229   SetDrawtoField(DRAW_BACKBUFFER);
 230 #endif
 231
 232   /* map gadgets for main menu screen */
 233   MapTapeButtons();
 234
 235   /* leveldir_current may be invalid (level group, parent link) */
 236   if (!validLevelSeries(leveldir_current))
 237     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 238
 239   /* store valid level series information */
 240   leveldir_last_valid = leveldir_current;
 241
 242   /* level_nr may have been set to value over handicap with level editor */
 243   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 244     level_nr = leveldir_current->handicap_level;
 245
 246   GetPlayerConfig();
 247   LoadLevel(level_nr);
 248
 249   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
 250   ClearWindow();
 251
 252   DrawHeadline();
 253
 254   DrawText(mSX + 32, mSY + 2*32, name_text, FONT_MENU_1);
 255   DrawText(mSX + 32, mSY + 3*32, "Level:", FONT_MENU_1);
 256   DrawText(mSX + 32, mSY + 4*32, "Hall Of Fame", FONT_MENU_1);
 257   DrawText(mSX + 32, mSY + 5*32, "Level Creator", FONT_MENU_1);
 258   DrawText(mSX + 32, mSY + 6*32, "Info Screen", FONT_MENU_1);
 259   DrawText(mSX + 32, mSY + 7*32, "Start Game", FONT_MENU_1);
 260   DrawText(mSX + 32, mSY + 8*32, "Setup", FONT_MENU_1);
 261   DrawText(mSX + 32, mSY + 9*32, "Quit", FONT_MENU_1);
 262
 263   DrawText(mSX + 32 + name_width, mSY + 2*32, setup.player_name, FONT_INPUT_1);
 264   DrawText(mSX + level_width + 5 * 32, mSY + 3*32, int2str(level_nr,3),
 265            FONT_VALUE_1);
 266
 267   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 268
 269   DrawTextF(mSX + 32 + level_width - 2, mSY + 3*32 + 1, FONT_TEXT_3, "%d-%d",
 270             leveldir_current->first_level, leveldir_current->last_level);
 271
 272   if (leveldir_current->readonly)
 273   {
 274     DrawTextF(mSX + level_width + 9 * 32 - 2,
 275               mSY + 3 * 32 + 1 - 7, FONT_TEXT_3, "READ");
 276     DrawTextF(mSX + level_width + 9 * 32 - 2,
 277               mSY + 3 * 32 + 1 + 7, FONT_TEXT_3, "ONLY");
 278   }
 279
 280   for(i=0; i<8; i++)
 281     initCursor(i, (i == 1 || i == 6 ? IMG_MENU_BUTTON_RIGHT :IMG_MENU_BUTTON));
 282
 283   drawCursorXY(level_width/32 + 4, 1, IMG_MENU_BUTTON_LEFT);
 284   drawCursorXY(level_width/32 + 8, 1, IMG_MENU_BUTTON_RIGHT);
 285
 286   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment", FONT_TITLE_2);
 287
 288   FadeToFront();
 289   InitAnimation();
 290   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 291
 292   TapeStop();
 293   if (TAPE_IS_EMPTY(tape))
 294     LoadTape(level_nr);
 295   DrawCompleteVideoDisplay();
 296
 297   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 298
 299 #if 0
 300   ClearEventQueue();
 301 #endif
 302 }
 303
 304 static void gotoTopLevelDir()
 305 {
 306   /* move upwards to top level directory */
 307   while (leveldir_current->node_parent)
 308   {
 309     /* write a "path" into level tree for easy navigation to last level */
 310     if (leveldir_current->node_parent->node_group->cl_first == -1)
 311     {
 312       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 313       int leveldir_pos = posTreeInfo(leveldir_current);
 314       int num_page_entries;
 315       int cl_first, cl_cursor;
 316
 317       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
 318         num_page_entries = num_leveldirs;
 319       else
 320         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
 321
 322       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 323       cl_cursor = leveldir_pos - cl_first;
 324
 325       leveldir_current->node_parent->node_group->cl_first = cl_first;
 326       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 327     }
 328
 329     leveldir_current = leveldir_current->node_parent;
 330   }
 331 }
 332
 333 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 334 {
 335   static int choice = 0;
 336   int x = 0;
 337   int y = choice;
 338
 339   if (button == MB_MENU_INITIALIZE)
 340   {
 341     drawCursor(choice, FC_RED);
 342     return;
 343   }
 344
 345   if (mx || my)         /* mouse input */
 346   {
 347     x = (mx - mSX) / 32;
 348     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
 349   }
 350   else if (dx || dy)    /* keyboard input */
 351   {
 352     if (dx && choice == 1)
 353       x = (dx < 0 ? 10 : 14);
 354     else if (dy)
 355       y = choice + dy;
 356   }
 357
 358   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 359                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 360       button)
 361   {
 362     static unsigned long level_delay = 0;
 363     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 364     int new_level_nr, old_level_nr = level_nr;
 365
 366     new_level_nr = level_nr + (x == 10 ? -step : +step);
 367     if (new_level_nr < leveldir_current->first_level)
 368       new_level_nr = leveldir_current->first_level;
 369     if (new_level_nr > leveldir_current->last_level)
 370       new_level_nr = leveldir_current->last_level;
 371
 372     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 373       new_level_nr = leveldir_current->handicap_level;
 374
 375     if (old_level_nr == new_level_nr ||
 376         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 377       goto out;
 378
 379     level_nr = new_level_nr;
 380
 381     DrawText(mSX + 11 * 32, mSY + 3 * 32, int2str(level_nr, 3), FONT_VALUE_1);
 382
 383     LoadLevel(level_nr);
 384     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 385
 386     TapeErase();
 387     LoadTape(level_nr);
 388     DrawCompleteVideoDisplay();
 389
 390     /* needed because DrawMicroLevel() takes some time */
 391     BackToFront();
 392     SyncDisplay();
 393     DelayReached(&level_delay, 0);      /* reset delay counter */
 394   }
 395   else if (x == 0 && y >= 0 && y <= 7)
 396   {
 397     if (button)
 398     {
 399       if (y != choice)
 400       {
 401         drawCursor(y, FC_RED);
 402         drawCursor(choice, FC_BLUE);
 403         choice = y;
 404       }
 405     }
 406     else
 407     {
 408       if (y == 0)
 409       {
 410         game_status = GAME_MODE_PSEUDO_TYPENAME;
 411         HandleTypeName(strlen(setup.player_name), 0);
 412       }
 413       else if (y == 1)
 414       {
 415         if (leveldir_first)
 416         {
 417           game_status = GAME_MODE_LEVELS;
 418           SaveLevelSetup_LastSeries();
 419           SaveLevelSetup_SeriesInfo();
 420
 421           gotoTopLevelDir();
 422
 423           DrawChooseLevel();
 424         }
 425       }
 426       else if (y == 2)
 427       {
 428         game_status = GAME_MODE_SCORES;
 429         DrawHallOfFame(-1);
 430       }
 431       else if (y == 3)
 432       {
 433         if (leveldir_current->readonly &&
 434             strcmp(setup.player_name, "Artsoft") != 0)
 435           Request("This level is read only !", REQ_CONFIRM);
 436         game_status = GAME_MODE_EDITOR;
 437         DrawLevelEd();
 438       }
 439       else if (y == 4)
 440       {
 441         game_status = GAME_MODE_INFO;
 442         DrawHelpScreen();
 443       }
 444       else if (y == 5)
 445       {
 446         if (setup.autorecord)
 447           TapeStartRecording();
 448
 449 #if defined(PLATFORM_UNIX)
 450         if (options.network)
 451           SendToServer_StartPlaying();
 452         else
 453 #endif
 454         {
 455           game_status = GAME_MODE_PLAYING;
 456           StopAnimation();
 457           InitGame();
 458         }
 459       }
 460       else if (y == 6)
 461       {
 462         game_status = GAME_MODE_SETUP;
 463         setup_mode = SETUP_MODE_MAIN;
 464         DrawSetupScreen();
 465       }
 466       else if (y == 7)
 467       {
 468         SaveLevelSetup_LastSeries();
 469         SaveLevelSetup_SeriesInfo();
 470         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 471           game_status = GAME_MODE_QUIT;
 472       }
 473     }
 474   }
 475
 476   BackToFront();
 477
 478   out:
 479
 480   if (game_status == GAME_MODE_MAIN)
 481   {
 482     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 483     DoAnimation();
 484   }
 485 }
 486
 487
 488 #define MAX_HELPSCREEN_ELS      10
 489 #define HA_NEXT                 -999
 490 #define HA_END                  -1000
 491
 492 static long helpscreen_state;
 493 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 494 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 495
 496 static int helpscreen_action[] =
 497 {
 498   IMG_PLAYER_1_MOVING_DOWN,             16,
 499   IMG_PLAYER_1_MOVING_UP,               16,
 500   IMG_PLAYER_1_MOVING_LEFT,             16,
 501   IMG_PLAYER_1_MOVING_RIGHT,            16,
 502   IMG_PLAYER_1_PUSHING_LEFT,            16,
 503   IMG_PLAYER_1_PUSHING_RIGHT,           16,                     HA_NEXT,
 504
 505   IMG_SAND,                             -1,                     HA_NEXT,
 506
 507   IMG_EMPTY_SPACE,                      -1,                     HA_NEXT,
 508
 509   IMG_QUICKSAND_EMPTY,                  -1,                     HA_NEXT,
 510
 511   IMG_STEELWALL,                        -1,                     HA_NEXT,
 512
 513   IMG_WALL,                             -1,                     HA_NEXT,
 514
 515   IMG_EXPANDABLE_WALL_GROWING_LEFT,     20,
 516   IMG_WALL,                             50,
 517   IMG_EMPTY_SPACE,                      20,
 518   IMG_EXPANDABLE_WALL_GROWING_RIGHT,    20,
 519   IMG_WALL,                             50,
 520   IMG_EMPTY_SPACE,                      20,
 521   IMG_EXPANDABLE_WALL_GROWING_UP,       20,
 522   IMG_WALL,                             50,
 523   IMG_EMPTY_SPACE,                      20,
 524   IMG_EXPANDABLE_WALL_GROWING_DOWN,     20,
 525   IMG_WALL,                             50,
 526   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 527
 528   IMG_INVISIBLE_WALL,                   -1,                     HA_NEXT,
 529
 530   IMG_WALL_CRUMBLED,                    -1,                     HA_NEXT,
 531
 532   IMG_FONT_GAME_INFO,                   -1,                     HA_NEXT,
 533
 534   IMG_EMERALD,                          -1,                     HA_NEXT,
 535
 536   IMG_DIAMOND,                          -1,                     HA_NEXT,
 537
 538   IMG_BD_DIAMOND,                       -1,                     HA_NEXT,
 539
 540   IMG_EMERALD_YELLOW,                   50,
 541   IMG_EMERALD_RED,                      50,
 542   IMG_EMERALD_PURPLE,                   50,                     HA_NEXT,
 543
 544   IMG_BD_ROCK,                          -1,                     HA_NEXT,
 545
 546   IMG_BOMB,                             100,
 547   IMG_EXPLOSION,                        16,
 548   IMG_EMPTY_SPACE,                      10,                     HA_NEXT,
 549
 550   IMG_NUT,                              100,
 551   IMG_NUT_BREAKING,                     6,
 552   IMG_EMERALD,                          20,                     HA_NEXT,
 553
 554   IMG_WALL_EMERALD,                     100,
 555   IMG_EXPLOSION,                        16,
 556   IMG_EMERALD,                          20,                     HA_NEXT,
 557
 558   IMG_WALL_DIAMOND,                     100,
 559   IMG_EXPLOSION,                        16,
 560   IMG_DIAMOND,                          20,                     HA_NEXT,
 561
 562   IMG_WALL_BD_DIAMOND,                  100,
 563   IMG_EXPLOSION,                        16,
 564   IMG_BD_DIAMOND,                       20,                     HA_NEXT,
 565
 566   IMG_WALL_EMERALD_YELLOW,              100,
 567   IMG_EXPLOSION,                        16,
 568   IMG_EMERALD_YELLOW,                   20,
 569   IMG_WALL_EMERALD_RED,                 100,
 570   IMG_EXPLOSION,                        16,
 571   IMG_EMERALD_RED,                      20,
 572   IMG_WALL_EMERALD_PURPLE,              100,
 573   IMG_EXPLOSION,                        16,
 574   IMG_EMERALD_PURPLE,                   20,                     HA_NEXT,
 575
 576   IMG_ACID,                             -1,                     HA_NEXT,
 577
 578   IMG_KEY_1,                            50,
 579   IMG_KEY_2,                            50,
 580   IMG_KEY_3,                            50,
 581   IMG_KEY_4,                            50,                     HA_NEXT,
 582
 583   IMG_GATE_1,                           50,
 584   IMG_GATE_2,                           50,
 585   IMG_GATE_3,                           50,
 586   IMG_GATE_4,                           50,                     HA_NEXT,
 587
 588   IMG_GATE_1_GRAY,                      50,
 589   IMG_GATE_2_GRAY,                      50,
 590   IMG_GATE_3_GRAY,                      50,
 591   IMG_GATE_4_GRAY,                      50,                     HA_NEXT,
 592
 593   IMG_DYNAMITE,                         -1,                     HA_NEXT,
 594
 595   IMG_DYNAMITE_ACTIVE,                  96,
 596   IMG_EXPLOSION,                        16,
 597   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 598
 599   IMG_DYNABOMB_ACTIVE,                  100,
 600   IMG_EXPLOSION,                        16,
 601   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 602
 603   IMG_DYNABOMB_INCREASE_NUMBER,         -1,                     HA_NEXT,
 604
 605   IMG_DYNABOMB_INCREASE_SIZE,           -1,                     HA_NEXT,
 606
 607   IMG_DYNABOMB_INCREASE_POWER,          -1,                     HA_NEXT,
 608
 609   IMG_SPACESHIP_RIGHT,                  16,
 610   IMG_SPACESHIP_UP,                     16,
 611   IMG_SPACESHIP_LEFT,                   16,
 612   IMG_SPACESHIP_DOWN,                   16,                     HA_NEXT,
 613
 614   IMG_BUG_RIGHT,                        16,
 615   IMG_BUG_UP,                           16,
 616   IMG_BUG_LEFT,                         16,
 617   IMG_BUG_DOWN,                         16,                     HA_NEXT,
 618
 619   IMG_BD_BUTTERFLY,                     -1,                     HA_NEXT,
 620
 621   IMG_BD_FIREFLY,                       -1,                     HA_NEXT,
 622
 623   IMG_PACMAN_RIGHT,                     16,
 624   IMG_PACMAN_UP,                        16,
 625   IMG_PACMAN_LEFT,                      16,
 626   IMG_PACMAN_DOWN,                      16,                     HA_NEXT,
 627
 628   IMG_YAMYAM,                           -1,                     HA_NEXT,
 629
 630   IMG_DARK_YAMYAM,                      -1,                     HA_NEXT,
 631
 632   IMG_ROBOT,                            -1,                     HA_NEXT,
 633
 634   IMG_MOLE_MOVING_RIGHT,                16,
 635   IMG_MOLE_MOVING_UP,                   16,
 636   IMG_MOLE_MOVING_LEFT,                 16,
 637   IMG_MOLE_MOVING_DOWN,                 16,                     HA_NEXT,
 638
 639   IMG_PENGUIN_MOVING_RIGHT,             16,
 640   IMG_PENGUIN_MOVING_UP,                16,
 641   IMG_PENGUIN_MOVING_LEFT,              16,
 642   IMG_PENGUIN_MOVING_DOWN,              16,                     HA_NEXT,
 643
 644   IMG_PIG_MOVING_RIGHT,                 16,
 645   IMG_PIG_MOVING_UP,                    16,
 646   IMG_PIG_MOVING_LEFT,                  16,
 647   IMG_PIG_MOVING_DOWN,                  16,                     HA_NEXT,
 648
 649   IMG_DRAGON_MOVING_RIGHT,              16,
 650   IMG_DRAGON_MOVING_UP,                 16,
 651   IMG_DRAGON_MOVING_LEFT,               16,
 652   IMG_DRAGON_MOVING_DOWN,               16,                     HA_NEXT,
 653
 654   IMG_SATELLITE,                        -1,                     HA_NEXT,
 655
 656   IMG_ROBOT_WHEEL,                      50,
 657   IMG_ROBOT_WHEEL_ACTIVE,               100,                    HA_NEXT,
 658
 659   IMG_LAMP,                             50,
 660   IMG_LAMP_ACTIVE,                      50,                     HA_NEXT,
 661
 662   IMG_TIME_ORB_FULL,                    50,
 663   IMG_TIME_ORB_EMPTY,                   50,                     HA_NEXT,
 664
 665   IMG_AMOEBA_DROP,                      50,
 666   IMG_AMOEBA_GROWING,                   6,
 667   IMG_AMOEBA_WET,                       20,                     HA_NEXT,
 668
 669   IMG_AMOEBA_DEAD,                      -1,                     HA_NEXT,
 670
 671   IMG_AMOEBA_WET,                       -1,                     HA_NEXT,
 672
 673   IMG_AMOEBA_WET,                       100,
 674   IMG_AMOEBA_GROWING,                   6,                      HA_NEXT,
 675
 676   IMG_AMOEBA_FULL,                      50,
 677   IMG_AMOEBA_DEAD,                      50,
 678   IMG_EXPLOSION,                        16,
 679   IMG_DIAMOND,                          20,                     HA_NEXT,
 680
 681   IMG_GAME_OF_LIFE,                     -1,                     HA_NEXT,
 682
 683   IMG_BIOMAZE,                          -1,                     HA_NEXT,
 684
 685   IMG_MAGIC_WALL_ACTIVE,                -1,                     HA_NEXT,
 686
 687   IMG_BD_MAGIC_WALL_ACTIVE,             -1,                     HA_NEXT,
 688
 689   IMG_EXIT_CLOSED,                      200,
 690   IMG_EXIT_OPENING,                     16,
 691   IMG_EXIT_OPEN,                        100,                    HA_NEXT,
 692
 693   IMG_EXIT_OPEN,                        -1,                     HA_NEXT,
 694
 695   IMG_SOKOBAN_OBJECT,                   -1,                     HA_NEXT,
 696
 697   IMG_SOKOBAN_FIELD_EMPTY,              -1,                     HA_NEXT,
 698
 699   IMG_SOKOBAN_FIELD_FULL,               -1,                     HA_NEXT,
 700
 701   IMG_SPEED_PILL,                       -1,                     HA_NEXT,
 702
 703   HA_END
 704 };
 705 static char *helpscreen_eltext[][2] =
 706 {
 707  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 708  {"Normal sand:",                       "You can dig through it"},
 709  {"Empty field:",                       "You can walk through it"},
 710  {"Quicksand: You cannot pass it,",     "but rocks can fall through it"},
 711  {"Massive Wall:",                      "Nothing can go through it"},
 712  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 713  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 714  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 715  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 716  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 717  {"Emerald: You must collect enough of","them to finish a level"},
 718  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 719  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 720  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 721  {"Rock: Smashes several things;",      "Can be moved by the player"},
 722  {"Bomb: You can move it, but be",      "careful when dropping it"},
 723  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 724  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 725  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 726  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 727  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 728  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 729  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 730  {"Door: Can be opened by the key",     "with the same color"},
 731  {"Door: You have to find out the",     "right color of the key for it"},
 732  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 733  {"Dynamite: This one explodes after",  "a few seconds"},
 734  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 735  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 736  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 737  {"Dyna Bomb: Increases the power of",  "explosion of dyna bombs"},
 738  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 739  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 740  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 741  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 742  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 743  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 744  {"Cruncher (BD style):",               "Eats almost everything"},
 745  {"Robot: Tries to kill the player",    ""},
 746  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 747  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 748  {"The Pig: Harmless, but eats all",    "gems it can get"},
 749  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 750  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 751  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 752  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 753  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 754  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 755  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 756  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 757  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 758  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 759  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 760  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 761  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 762  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 763  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 764  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 765  {"Sokoban element: Object which must", "be pushed to an empty field"},
 766  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 767  {"Sokoban element: Field with object", "which can be pushed away"},
 768  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 769 };
 770 static int num_helpscreen_els = sizeof(helpscreen_eltext) / (2*sizeof(char *));
 771
 772 static char *helpscreen_music[][3] =
 773 {
 774   { "Alchemy",                  "Ian Boddy",            "Drive" },
 775   { "The Chase",                "Propaganda",           "A Secret Wish" },
 776   { "Network 23",               "Tangerine Dream",      "Exit" },
 777   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 778   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 779   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 780   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 781 };
 782 static int num_helpscreen_music = 7;
 783 static int helpscreen_musicpos;
 784
 785 #if 0
 786 void OLD_DrawHelpScreenElAction(int start)
 787 {
 788   int i = 0, j = 0;
 789   int frame, graphic;
 790   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 791
 792   while(helpscreen_action[j] != HA_END)
 793   {
 794     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 795       break;
 796     else if (i<start || helpscreen_delay[i-start])
 797     {
 798       if (i>=start && helpscreen_delay[i-start])
 799         helpscreen_delay[i-start]--;
 800
 801       while(helpscreen_action[j] != HA_NEXT)
 802         j++;
 803       j++;
 804       i++;
 805       continue;
 806     }
 807
 808     j += 3*helpscreen_step[i-start];
 809     graphic = helpscreen_action[j++];
 810
 811     if (helpscreen_frame[i-start])
 812     {
 813       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 814       helpscreen_frame[i-start]--;
 815     }
 816     else
 817     {
 818       frame = 0;
 819       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 820     }
 821
 822     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 823
 824     if (helpscreen_action[j] == HA_NEXT)
 825     {
 826       if (!helpscreen_frame[i-start])
 827         helpscreen_step[i-start] = 0;
 828     }
 829     else
 830     {
 831       if (!helpscreen_frame[i-start])
 832         helpscreen_step[i-start]++;
 833       while(helpscreen_action[j] != HA_NEXT)
 834         j++;
 835     }
 836     j++;
 837
 838     DrawOldGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 839     i++;
 840   }
 841
 842   for(i=2;i<16;i++)
 843   {
 844     MarkTileDirty(0,i);
 845     MarkTileDirty(1,i);
 846   }
 847 }
 848 #endif
 849
 850 void DrawHelpScreenElAction(int start)
 851 {
 852   int i = 0, j = 0;
 853   int xstart = mSX + 16;
 854   int ystart = mSY + 64 + 2 * 32;
 855   int ystep = TILEY + 4;
 856   int graphic;
 857   int frame_count;
 858   int sync_frame;
 859
 860   while (helpscreen_action[j] != HA_END)
 861   {
 862     if (i >= start + MAX_HELPSCREEN_ELS || i >= num_helpscreen_els)
 863       break;
 864     else if (i < start)
 865     {
 866       while (helpscreen_action[j] != HA_NEXT)
 867         j++;
 868
 869       j++;
 870       i++;
 871
 872       continue;
 873     }
 874
 875     j += 2 * helpscreen_step[i-start];
 876     graphic = helpscreen_action[j++];
 877     frame_count = helpscreen_action[j++];
 878     if (frame_count == -1)
 879       frame_count = 1000000;
 880
 881     if (helpscreen_frame[i-start] == 0)
 882     {
 883       sync_frame = 0;
 884       helpscreen_frame[i-start] = frame_count - 1;
 885     }
 886     else
 887     {
 888       sync_frame = frame_count - helpscreen_frame[i-start];
 889       helpscreen_frame[i-start]--;
 890     }
 891
 892     if (helpscreen_action[j] == HA_NEXT)
 893     {
 894       if (!helpscreen_frame[i-start])
 895         helpscreen_step[i-start] = 0;
 896     }
 897     else
 898     {
 899       if (!helpscreen_frame[i-start])
 900         helpscreen_step[i-start]++;
 901       while(helpscreen_action[j] != HA_NEXT)
 902         j++;
 903     }
 904     j++;
 905
 906 #if 1
 907     ClearRectangleOnBackground(drawto, xstart, ystart + (i - start) * ystep,
 908                                TILEX, TILEY);
 909     DrawGraphicAnimationExt(drawto, xstart, ystart + (i - start) * ystep,
 910                             graphic, sync_frame, USE_MASKING);
 911 #else
 912     frame = getGraphicAnimationFrame(graphic, sync_frame);
 913
 914     DrawGraphicExt(drawto, xstart, ystart + (i-start) * ystep,
 915                    graphic, frame);
 916 #endif
 917
 918     i++;
 919   }
 920
 921   for(i=2; i<16; i++)
 922   {
 923     MarkTileDirty(0, i);
 924     MarkTileDirty(1, i);
 925   }
 926
 927   FrameCounter++;
 928 }
 929
 930 void DrawHelpScreenElText(int start)
 931 {
 932   int i;
 933   int xstart = mSX + 56, ystart = mSY + 65 + 2 * 32, ystep = TILEY + 4;
 934   int ybottom = SYSIZE - 20;
 935
 936   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
 937   ClearWindow();
 938   DrawHeadline();
 939
 940   DrawTextFCentered(100, FONT_TEXT_1, "The game elements:");
 941
 942   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
 943   {
 944     DrawText(xstart,
 945              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
 946              helpscreen_eltext[i][0], FONT_TEXT_2);
 947     DrawText(xstart, ystart + (i - start) * ystep + 16,
 948              helpscreen_eltext[i][1], FONT_TEXT_2);
 949   }
 950
 951   DrawTextFCentered(ybottom, FONT_TEXT_4,
 952                     "Press any key or button for next page");
 953 }
 954
 955 void DrawHelpScreenMusicText(int num)
 956 {
 957   int ystart = 150, ystep = 30;
 958   int ybottom = SYSIZE - 20;
 959
 960   FadeSounds();
 961   ClearWindow();
 962   DrawHeadline();
 963
 964   DrawTextFCentered(100, FONT_TEXT_1, "The game background music loops:");
 965
 966   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "Excerpt from");
 967   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3,
 968                     "\"%s\"", helpscreen_music[num][0]);
 969   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "by");
 970   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3,
 971                     "%s", helpscreen_music[num][1]);
 972   DrawTextFCentered(ystart + 4 * ystep, FONT_TEXT_2, "from the album");
 973   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_3,
 974                     "\"%s\"", helpscreen_music[num][2]);
 975
 976   DrawTextFCentered(ybottom, FONT_TEXT_4,
 977                     "Press any key or button for next page");
 978
 979 #if 0
 980   PlaySoundLoop(background_loop[num]);
 981 #endif
 982 }
 983
 984 void DrawHelpScreenCreditsText()
 985 {
 986   int ystart = 150, ystep = 30;
 987   int ybottom = SYSIZE - 20;
 988
 989   FadeSounds();
 990   ClearWindow();
 991   DrawHeadline();
 992
 993   DrawTextFCentered(100, FONT_TEXT_1, "Credits:");
 994   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "DOS port of the game:");
 995   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3, "Guido Schulz");
 996   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "Additional toons:");
 997   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3, "Karl Hörnell");
 998   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_2,
 999                     "...and many thanks to all contributors");
1000   DrawTextFCentered(ystart + 6 * ystep, FONT_TEXT_2, "of new levels!");
1001
1002   DrawTextFCentered(ybottom, FONT_TEXT_4,
1003                     "Press any key or button for next page");
1004 }
1005
1006 void DrawHelpScreenContactText()
1007 {
1008   int ystart = 150, ystep = 30;
1009   int ybottom = SYSIZE - 20;
1010
1011   ClearWindow();
1012   DrawHeadline();
1013
1014   DrawTextFCentered(100, FONT_TEXT_1, "Program information:");
1015
1016   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2,
1017                     "This game is Freeware!");
1018   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_2,
1019                     "If you like it, send e-mail to:");
1020   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_3,
1021                     "info@artsoft.org");
1022   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_2,
1023                     "or SnailMail to:");
1024   DrawTextFCentered(ystart + 4 * ystep + 0, FONT_TEXT_3,
1025                     "Holger Schemel");
1026   DrawTextFCentered(ystart + 4 * ystep + 20, FONT_TEXT_3,
1027                     "Detmolder Strasse 189");
1028   DrawTextFCentered(ystart + 4 * ystep + 40, FONT_TEXT_3,
1029                     "33604 Bielefeld");
1030   DrawTextFCentered(ystart + 4 * ystep + 60, FONT_TEXT_3,
1031                     "Germany");
1032
1033   DrawTextFCentered(ystart + 7 * ystep, FONT_TEXT_2,
1034                     "If you have created new levels,");
1035   DrawTextFCentered(ystart + 8 * ystep, FONT_TEXT_2,
1036                     "send them to me to include them!");
1037   DrawTextFCentered(ystart + 9 * ystep, FONT_TEXT_2,
1038                     ":-)");
1039
1040   DrawTextFCentered(ybottom, FONT_TEXT_4,
1041                     "Press any key or button for main menu");
1042 }
1043
1044 void DrawHelpScreen()
1045 {
1046   int i;
1047
1048   UnmapAllGadgets();
1049   CloseDoor(DOOR_CLOSE_2);
1050
1051   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1052     helpscreen_step[i] = helpscreen_frame[i] = 0;
1053   helpscreen_musicpos = 0;
1054   helpscreen_state = 0;
1055
1056   DrawHelpScreenElText(0);
1057   DrawHelpScreenElAction(0);
1058
1059   FadeToFront();
1060   InitAnimation();
1061
1062 #if 0
1063   PlaySoundLoop(SND_BACKGROUND_INFO);
1064 #else
1065   PlaySound_Menu_Start(SND_BACKGROUND_INFO);
1066 #endif
1067 }
1068
1069 void HandleHelpScreen(int button)
1070 {
1071   static unsigned long hs_delay = 0;
1072   int num_helpscreen_els_pages =
1073     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
1074   int button_released = !button;
1075   int i;
1076
1077   if (button_released)
1078   {
1079     if (helpscreen_state < num_helpscreen_els_pages - 1)
1080     {
1081       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1082         helpscreen_step[i] = helpscreen_frame[i] = 0;
1083       helpscreen_state++;
1084
1085       FrameCounter = 0;
1086       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
1087       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1088     }
1089     else if (helpscreen_state <
1090              num_helpscreen_els_pages + num_helpscreen_music - 1)
1091     {
1092       helpscreen_state++;
1093       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
1094     }
1095     else if (helpscreen_state ==
1096              num_helpscreen_els_pages + num_helpscreen_music - 1)
1097     {
1098       helpscreen_state++;
1099       DrawHelpScreenCreditsText();
1100     }
1101     else if (helpscreen_state ==
1102              num_helpscreen_els_pages + num_helpscreen_music)
1103     {
1104       helpscreen_state++;
1105       DrawHelpScreenContactText();
1106     }
1107     else
1108     {
1109       FadeSounds();
1110
1111       game_status = GAME_MODE_MAIN;
1112       DrawMainMenu();
1113     }
1114   }
1115   else
1116   {
1117     if (DelayReached(&hs_delay, GAME_FRAME_DELAY))
1118     {
1119       if (helpscreen_state < num_helpscreen_els_pages)
1120         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1121     }
1122
1123     /* !!! workaround for playing "music" that is really a sound loop (and
1124        must therefore periodically be reactivated with the current sound
1125        engine !!! */
1126 #if 0
1127     PlaySoundLoop(SND_BACKGROUND_INFO);
1128 #else
1129     PlaySound_Menu_Continue(SND_BACKGROUND_INFO);
1130 #endif
1131
1132     DoAnimation();
1133   }
1134
1135   BackToFront();
1136 }
1137
1138 void HandleTypeName(int newxpos, Key key)
1139 {
1140   static int xpos = 0, ypos = 2;
1141   int font_width = getFontWidth(FONT_INPUT_1_ACTIVE);
1142   int name_width = getFontWidth(FONT_MENU_1) * strlen("Name:");
1143   int startx = mSX + 32 + name_width;
1144   int starty = mSY + ypos * 32;
1145
1146   if (newxpos)
1147   {
1148     xpos = newxpos;
1149
1150     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1151     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1152
1153     return;
1154   }
1155
1156   if (((key >= KSYM_A && key <= KSYM_Z) ||
1157        (key >= KSYM_a && key <= KSYM_z)) &&
1158       xpos < MAX_PLAYER_NAME_LEN)
1159   {
1160     char ascii;
1161
1162     if (key >= KSYM_A && key <= KSYM_Z)
1163       ascii = 'A' + (char)(key - KSYM_A);
1164     else
1165       ascii = 'a' + (char)(key - KSYM_a);
1166
1167     setup.player_name[xpos] = ascii;
1168     setup.player_name[xpos + 1] = 0;
1169     xpos++;
1170
1171     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1172     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1173   }
1174   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
1175   {
1176     xpos--;
1177     setup.player_name[xpos] = 0;
1178
1179     DrawText(startx + xpos * font_width, starty, "_ ", FONT_INPUT_1_ACTIVE);
1180   }
1181   else if (key == KSYM_Return && xpos > 0)
1182   {
1183     DrawText(startx, starty, setup.player_name, FONT_INPUT_1);
1184     DrawText(startx + xpos * font_width, starty, " ", FONT_INPUT_1_ACTIVE);
1185
1186     SaveSetup();
1187     game_status = GAME_MODE_MAIN;
1188   }
1189
1190   BackToFront();
1191 }
1192
1193 static void DrawChooseTree(TreeInfo **ti_ptr)
1194 {
1195   UnmapAllGadgets();
1196
1197   FreeScreenGadgets();
1198   CreateScreenGadgets();
1199
1200   CloseDoor(DOOR_CLOSE_2);
1201
1202   ClearWindow();
1203
1204   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
1205   MapChooseTreeGadgets(*ti_ptr);
1206
1207   FadeToFront();
1208   InitAnimation();
1209 }
1210
1211 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1212 {
1213   struct GadgetInfo *gi = screen_gadget[id];
1214   int items_max, items_visible, item_position;
1215
1216   items_max = numTreeInfoInGroup(ti);
1217   items_visible = NUM_MENU_ENTRIES_ON_SCREEN;
1218   item_position = first_entry;
1219
1220   if (item_position > items_max - items_visible)
1221     item_position = items_max - items_visible;
1222
1223   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1224                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1225                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1226 }
1227
1228 static void drawChooseTreeList(int first_entry, int num_page_entries,
1229                                TreeInfo *ti)
1230 {
1231   int i;
1232   char buffer[SCR_FIELDX * 2];
1233   int max_buffer_len = (SCR_FIELDX - 2) * 2;
1234   char *title_string = NULL;
1235   int xoffset_setup = 16;
1236   int yoffset_setup = 16;
1237   int xoffset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : xoffset_setup);
1238   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : yoffset_setup);
1239   int last_game_status = game_status;   /* save current game status */
1240
1241   DrawBackground(SX, SY, SXSIZE - 32, SYSIZE);
1242   redraw_mask |= REDRAW_FIELD;
1243
1244   title_string =
1245     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
1246      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
1247      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
1248      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
1249
1250   DrawText(SX + xoffset, SY + yoffset, title_string, FONT_TITLE_1);
1251
1252   /* force LEVELS font on artwork setup screen */
1253   game_status = GAME_MODE_LEVELS;
1254
1255   for(i=0; i<num_page_entries; i++)
1256   {
1257     TreeInfo *node, *node_first;
1258     int entry_pos = first_entry + i;
1259     int ypos = MENU_SCREEN_START_YPOS + i;
1260
1261     node_first = getTreeInfoFirstGroupEntry(ti);
1262     node = getTreeInfoFromPos(node_first, entry_pos);
1263
1264     strncpy(buffer, node->name , max_buffer_len);
1265     buffer[max_buffer_len] = '\0';
1266
1267     DrawText(mSX + 32, mSY + ypos * 32, buffer, FONT_TEXT_1 + node->color);
1268
1269     if (node->parent_link)
1270       initCursor(i, IMG_MENU_BUTTON_LEFT);
1271     else if (node->level_group)
1272       initCursor(i, IMG_MENU_BUTTON_RIGHT);
1273     else
1274       initCursor(i, IMG_MENU_BUTTON);
1275   }
1276
1277   game_status = last_game_status;       /* restore current game status */
1278 }
1279
1280 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1281 {
1282   TreeInfo *node, *node_first;
1283   int x, last_redraw_mask = redraw_mask;
1284
1285   if (ti->type != TREE_TYPE_LEVEL_DIR)
1286     return;
1287
1288   node_first = getTreeInfoFirstGroupEntry(ti);
1289   node = getTreeInfoFromPos(node_first, entry_pos);
1290
1291   DrawBackground(SX + 32, SY + 32, SXSIZE - 64, 32);
1292
1293   if (node->parent_link)
1294     DrawTextFCentered(40, FONT_TITLE_2, "leave group \"%s\"",
1295                       node->class_desc);
1296   else if (node->level_group)
1297     DrawTextFCentered(40, FONT_TITLE_2, "enter group \"%s\"",
1298                       node->class_desc);
1299   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1300     DrawTextFCentered(40, FONT_TITLE_2, "%3d levels (%s)",
1301                       node->levels, node->class_desc);
1302
1303   /* let BackToFront() redraw only what is needed */
1304   redraw_mask = last_redraw_mask | REDRAW_TILES;
1305   for (x=0; x<SCR_FIELDX; x++)
1306     MarkTileDirty(x, 1);
1307 }
1308
1309 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1310                              TreeInfo **ti_ptr)
1311 {
1312   TreeInfo *ti = *ti_ptr;
1313   int x = 0;
1314   int y = ti->cl_cursor;
1315   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1316   int num_entries = numTreeInfoInGroup(ti);
1317   int num_page_entries;
1318   int last_game_status = game_status;   /* save current game status */
1319
1320   /* force LEVELS draw offset on choose level and artwork setup screen */
1321   game_status = GAME_MODE_LEVELS;
1322
1323   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
1324     num_page_entries = num_entries;
1325   else
1326     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1327
1328   game_status = last_game_status;       /* restore current game status */
1329
1330   if (button == MB_MENU_INITIALIZE)
1331   {
1332     int num_entries = numTreeInfoInGroup(ti);
1333     int entry_pos = posTreeInfo(ti);
1334
1335     if (ti->cl_first == -1)
1336     {
1337       /* only on initialization */
1338       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1339       ti->cl_cursor = entry_pos - ti->cl_first;
1340     }
1341     else if (ti->cl_cursor >= num_page_entries ||
1342              (num_entries > num_page_entries &&
1343               num_entries - ti->cl_first < num_page_entries))
1344     {
1345       /* only after change of list size (by custom graphic configuration) */
1346       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1347       ti->cl_cursor = entry_pos - ti->cl_first;
1348     }
1349
1350     if (dx == 999)      /* first entry is set by scrollbar position */
1351       ti->cl_first = dy;
1352     else
1353       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1354                                 ti->cl_first, ti);
1355
1356     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1357     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1358     drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1359
1360     return;
1361   }
1362   else if (button == MB_MENU_LEAVE)
1363   {
1364     if (ti->node_parent)
1365     {
1366       *ti_ptr = ti->node_parent;
1367       DrawChooseTree(ti_ptr);
1368     }
1369     else if (game_status == GAME_MODE_SETUP)
1370     {
1371       execSetupArtwork();
1372     }
1373     else
1374     {
1375       game_status = GAME_MODE_MAIN;
1376       DrawMainMenu();
1377     }
1378
1379     return;
1380   }
1381
1382   if (mx || my)         /* mouse input */
1383   {
1384     int last_game_status = game_status; /* save current game status */
1385
1386     /* force LEVELS draw offset on artwork setup screen */
1387     game_status = GAME_MODE_LEVELS;
1388
1389     x = (mx - mSX) / 32;
1390     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
1391
1392     game_status = last_game_status;     /* restore current game status */
1393   }
1394   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
1395   {
1396     /* move cursor instead of scrolling when already at start/end of list */
1397     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
1398       dy = -1;
1399     else if (dy == +1 * SCROLL_LINE &&
1400              ti->cl_first + num_page_entries == num_entries)
1401       dy = 1;
1402
1403     /* handle scrolling screen one line or page */
1404     if (ti->cl_cursor + dy < 0 ||
1405         ti->cl_cursor + dy > num_page_entries - 1)
1406     {
1407       if (ABS(dy) == SCROLL_PAGE)
1408         step = num_page_entries - 1;
1409
1410       if (dy < 0 && ti->cl_first > 0)
1411       {
1412         /* scroll page/line up */
1413
1414         ti->cl_first -= step;
1415         if (ti->cl_first < 0)
1416           ti->cl_first = 0;
1417
1418         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1419         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1420         drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1421         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1422                                   ti->cl_first, ti);
1423       }
1424       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
1425       {
1426         /* scroll page/line down */
1427
1428         ti->cl_first += step;
1429         if (ti->cl_first + num_page_entries > num_entries)
1430           ti->cl_first = MAX(0, num_entries - num_page_entries);
1431
1432         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1433         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1434         drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1435         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1436                                   ti->cl_first, ti);
1437       }
1438
1439       return;
1440     }
1441
1442     /* handle moving cursor one line */
1443     y = ti->cl_cursor + dy;
1444   }
1445
1446   if (dx == 1)
1447   {
1448     TreeInfo *node_first, *node_cursor;
1449     int entry_pos = ti->cl_first + y;
1450
1451     node_first = getTreeInfoFirstGroupEntry(ti);
1452     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1453
1454     if (node_cursor->node_group)
1455     {
1456       node_cursor->cl_first = ti->cl_first;
1457       node_cursor->cl_cursor = ti->cl_cursor;
1458       *ti_ptr = node_cursor->node_group;
1459       DrawChooseTree(ti_ptr);
1460
1461       return;
1462     }
1463   }
1464   else if (dx == -1 && ti->node_parent)
1465   {
1466     *ti_ptr = ti->node_parent;
1467     DrawChooseTree(ti_ptr);
1468
1469     return;
1470   }
1471
1472   if (x == 0 && y >= 0 && y < num_page_entries)
1473   {
1474     if (button)
1475     {
1476       if (y != ti->cl_cursor)
1477       {
1478         drawChooseTreeCursor(y, FC_RED);
1479         drawChooseTreeCursor(ti->cl_cursor, FC_BLUE);
1480         drawChooseTreeInfo(ti->cl_first + y, ti);
1481         ti->cl_cursor = y;
1482       }
1483     }
1484     else
1485     {
1486       TreeInfo *node_first, *node_cursor;
1487       int entry_pos = ti->cl_first + y;
1488
1489       node_first = getTreeInfoFirstGroupEntry(ti);
1490       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1491
1492       if (node_cursor->node_group)
1493       {
1494         node_cursor->cl_first = ti->cl_first;
1495         node_cursor->cl_cursor = ti->cl_cursor;
1496         *ti_ptr = node_cursor->node_group;
1497         DrawChooseTree(ti_ptr);
1498       }
1499       else if (node_cursor->parent_link)
1500       {
1501         *ti_ptr = node_cursor->node_parent;
1502         DrawChooseTree(ti_ptr);
1503       }
1504       else
1505       {
1506         node_cursor->cl_first = ti->cl_first;
1507         node_cursor->cl_cursor = ti->cl_cursor;
1508         *ti_ptr = node_cursor;
1509
1510         if (ti->type == TREE_TYPE_LEVEL_DIR)
1511         {
1512           LoadLevelSetup_SeriesInfo();
1513
1514           SaveLevelSetup_LastSeries();
1515           SaveLevelSetup_SeriesInfo();
1516           TapeErase();
1517         }
1518
1519         if (game_status == GAME_MODE_SETUP)
1520         {
1521           execSetupArtwork();
1522         }
1523         else
1524         {
1525           game_status = GAME_MODE_MAIN;
1526           DrawMainMenu();
1527         }
1528       }
1529     }
1530   }
1531
1532   BackToFront();
1533
1534   if (game_status == GAME_MODE_LEVELS || game_status == GAME_MODE_SETUP)
1535     DoAnimation();
1536 }
1537
1538 void DrawChooseLevel()
1539 {
1540   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
1541
1542   DrawChooseTree(&leveldir_current);
1543 }
1544
1545 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1546 {
1547   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1548 }
1549
1550 void DrawHallOfFame(int highlight_position)
1551 {
1552   UnmapAllGadgets();
1553   FadeSounds();
1554   CloseDoor(DOOR_CLOSE_2);
1555
1556   if (highlight_position < 0)
1557     LoadScore(level_nr);
1558
1559   FadeToFront();
1560   InitAnimation();
1561
1562   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1563
1564 #if 0
1565   PlaySound(SND_BACKGROUND_SCORES);
1566 #else
1567   PlaySound_Menu_Start(SND_BACKGROUND_SCORES);
1568 #endif
1569 }
1570
1571 static void drawHallOfFameList(int first_entry, int highlight_position)
1572 {
1573   int i;
1574
1575   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
1576   ClearWindow();
1577
1578   DrawText(mSX + 80, mSY + 8, "Hall Of Fame", FONT_TITLE_1);
1579   DrawTextFCentered(46, FONT_TITLE_2, "HighScores of Level %d", level_nr);
1580
1581   for(i=0; i<NUM_MENU_ENTRIES_ON_SCREEN; i++)
1582   {
1583     int entry = first_entry + i;
1584     boolean active = (entry == highlight_position);
1585     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
1586     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
1587     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
1588     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
1589     int dx1 = 3 * getFontWidth(font_nr1);
1590     int dx2 = dx1 + getFontWidth(font_nr1);
1591     int dx3 = dx2 + 25 * getFontWidth(font_nr3);
1592     int sy = mSY + 64 + i * 32;
1593
1594     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
1595     DrawText(mSX + dx1, sy, ".", font_nr1);
1596     DrawText(mSX + dx2, sy, ".........................", font_nr3);
1597     if (strcmp(highscore[entry].Name, EMPTY_PLAYER_NAME) != 0)
1598       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
1599     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
1600   }
1601 }
1602
1603 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1604 {
1605   static int first_entry = 0;
1606   static int highlight_position = 0;
1607   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1608   int button_released = !button;
1609
1610   if (button == MB_MENU_INITIALIZE)
1611   {
1612     first_entry = 0;
1613     highlight_position = mx;
1614     drawHallOfFameList(first_entry, highlight_position);
1615
1616     return;
1617   }
1618
1619   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
1620     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
1621
1622   if (dy < 0)
1623   {
1624     if (first_entry > 0)
1625     {
1626       first_entry -= step;
1627       if (first_entry < 0)
1628         first_entry = 0;
1629
1630       drawHallOfFameList(first_entry, highlight_position);
1631
1632       return;
1633     }
1634   }
1635   else if (dy > 0)
1636   {
1637     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1638     {
1639       first_entry += step;
1640       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1641         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
1642
1643       drawHallOfFameList(first_entry, highlight_position);
1644
1645       return;
1646     }
1647   }
1648
1649   if (button_released)
1650   {
1651     FadeSound(SND_BACKGROUND_SCORES);
1652     game_status = GAME_MODE_MAIN;
1653     DrawMainMenu();
1654   }
1655
1656   BackToFront();
1657
1658   if (game_status == GAME_MODE_SCORES)
1659   {
1660     DoAnimation();
1661 #if 1
1662     PlaySound_Menu_Continue(SND_BACKGROUND_SCORES);
1663 #endif
1664   }
1665 }
1666
1667
1668 /* ========================================================================= */
1669 /* setup screen functions                                                    */
1670 /* ========================================================================= */
1671
1672 static struct TokenInfo *setup_info;
1673 static int num_setup_info;
1674
1675 static char *graphics_set_name;
1676 static char *sounds_set_name;
1677 static char *music_set_name;
1678
1679 static void execSetupMain()
1680 {
1681   setup_mode = SETUP_MODE_MAIN;
1682   DrawSetupScreen();
1683 }
1684
1685 static void execSetupGame()
1686 {
1687   setup_mode = SETUP_MODE_GAME;
1688   DrawSetupScreen();
1689 }
1690
1691 static void execSetupEditor()
1692 {
1693   setup_mode = SETUP_MODE_EDITOR;
1694   DrawSetupScreen();
1695 }
1696
1697 static void execSetupGraphics()
1698 {
1699   setup_mode = SETUP_MODE_GRAPHICS;
1700   DrawSetupScreen();
1701 }
1702
1703 static void execSetupSound()
1704 {
1705   setup_mode = SETUP_MODE_SOUND;
1706   DrawSetupScreen();
1707 }
1708
1709 static void execSetupArtwork()
1710 {
1711   setup.graphics_set = artwork.gfx_current->identifier;
1712   setup.sounds_set = artwork.snd_current->identifier;
1713   setup.music_set = artwork.mus_current->identifier;
1714
1715   /* needed if last screen (setup choice) changed graphics, sounds or music */
1716   ReloadCustomArtwork();
1717
1718   /* needed for displaying artwork name instead of artwork identifier */
1719   graphics_set_name = artwork.gfx_current->name;
1720   sounds_set_name = artwork.snd_current->name;
1721   music_set_name = artwork.mus_current->name;
1722
1723   setup_mode = SETUP_MODE_ARTWORK;
1724   DrawSetupScreen();
1725 }
1726
1727 static void execSetupChooseGraphics()
1728 {
1729   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1730   DrawSetupScreen();
1731 }
1732
1733 static void execSetupChooseSounds()
1734 {
1735   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1736   DrawSetupScreen();
1737 }
1738
1739 static void execSetupChooseMusic()
1740 {
1741   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1742   DrawSetupScreen();
1743 }
1744
1745 static void execSetupInput()
1746 {
1747   setup_mode = SETUP_MODE_INPUT;
1748   DrawSetupScreen();
1749 }
1750
1751 static void execSetupShortcut()
1752 {
1753   setup_mode = SETUP_MODE_SHORTCUT;
1754   DrawSetupScreen();
1755 }
1756
1757 static void execExitSetup()
1758 {
1759   game_status = GAME_MODE_MAIN;
1760   DrawMainMenu();
1761 }
1762
1763 static void execSaveAndExitSetup()
1764 {
1765   SaveSetup();
1766   execExitSetup();
1767 }
1768
1769 static struct TokenInfo setup_info_main[] =
1770 {
1771   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1772   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor Settings"       },
1773   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1774   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1775   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1776   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1777   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1778   { TYPE_EMPTY,         NULL,                   ""                      },
1779   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1780   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
1781   { 0,                  NULL,                   NULL                    }
1782 };
1783
1784 static struct TokenInfo setup_info_game[] =
1785 {
1786   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1787   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1788   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1789   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1790   { TYPE_EMPTY,         NULL,                   ""                      },
1791   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1792   { 0,                  NULL,                   NULL                    }
1793 };
1794
1795 static struct TokenInfo setup_info_editor[] =
1796 {
1797   { TYPE_STRING,        NULL,                   "Offer Special Elements:"},
1798   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "BoulderDash:"  },
1799   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
1800   { TYPE_SWITCH,        &setup.editor.el_more,          "More:"         },
1801   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
1802   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
1803   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamd. Caves:" },
1804   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX Boulderd.:" },
1805   { TYPE_SWITCH,        &setup.editor.el_chars,         "Characters:"   },
1806   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom:"       },
1807   { TYPE_EMPTY,         NULL,                   ""                      },
1808   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1809   { 0,                  NULL,                   NULL                    }
1810 };
1811
1812 static struct TokenInfo setup_info_graphics[] =
1813 {
1814   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1815   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1816   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1817 #if 0
1818   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1819   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1820 #endif
1821   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1822   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1823   { TYPE_EMPTY,         NULL,                   ""                      },
1824   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1825   { 0,                  NULL,                   NULL                    }
1826 };
1827
1828 static struct TokenInfo setup_info_sound[] =
1829 {
1830   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1831   { TYPE_EMPTY,         NULL,                   ""                      },
1832   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1833   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1834   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1835   { TYPE_EMPTY,         NULL,                   ""                      },
1836   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1837   { 0,                  NULL,                   NULL                    }
1838 };
1839
1840 static struct TokenInfo setup_info_artwork[] =
1841 {
1842   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1843   { TYPE_STRING,        &graphics_set_name,     ""                      },
1844   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1845   { TYPE_STRING,        &sounds_set_name,       ""                      },
1846   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1847   { TYPE_STRING,        &music_set_name,        ""                      },
1848   { TYPE_EMPTY,         NULL,                   ""                      },
1849   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1850   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1851   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1852   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1853   { TYPE_EMPTY,         NULL,                   ""                      },
1854   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1855   { 0,                  NULL,                   NULL                    }
1856 };
1857
1858 static struct TokenInfo setup_info_shortcut[] =
1859 {
1860   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1861   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1862   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1863   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1864   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1865   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1866   { TYPE_EMPTY,         NULL,                   ""                      },
1867   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1868   { TYPE_EMPTY,         NULL,                   ""                      },
1869   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1870   { 0,                  NULL,                   NULL                    }
1871 };
1872
1873 static Key getSetupKey()
1874 {
1875   Key key = KSYM_UNDEFINED;
1876   boolean got_key_event = FALSE;
1877
1878   while (!got_key_event)
1879   {
1880     if (PendingEvent())         /* got event */
1881     {
1882       Event event;
1883
1884       NextEvent(&event);
1885
1886       switch(event.type)
1887       {
1888         case EVENT_KEYPRESS:
1889           {
1890             key = GetEventKey((KeyEvent *)&event, TRUE);
1891
1892             /* press 'Escape' or 'Enter' to keep the existing key binding */
1893             if (key == KSYM_Escape || key == KSYM_Return)
1894               key = KSYM_UNDEFINED;     /* keep old value */
1895
1896             got_key_event = TRUE;
1897           }
1898           break;
1899
1900         case EVENT_KEYRELEASE:
1901           key_joystick_mapping = 0;
1902           break;
1903
1904         default:
1905           HandleOtherEvents(&event);
1906           break;
1907       }
1908     }
1909
1910     BackToFront();
1911     DoAnimation();
1912
1913     /* don't eat all CPU time */
1914     Delay(10);
1915   }
1916
1917   return key;
1918 }
1919
1920 static void drawSetupValue(int pos)
1921 {
1922   int xpos = MENU_SCREEN_VALUE_XPOS;
1923   int ypos = MENU_SCREEN_START_YPOS + pos;
1924   int font_nr = FONT_VALUE_1;
1925   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1926                                      setup_info[pos].value);
1927
1928   if (value_string == NULL)
1929     return;
1930
1931   if (setup_info[pos].type & TYPE_KEY)
1932   {
1933     xpos = 3;
1934
1935     if (setup_info[pos].type & TYPE_QUERY)
1936     {
1937       value_string = "<press key>";
1938       font_nr = FONT_INPUT_1_ACTIVE;
1939     }
1940   }
1941   else if (setup_info[pos].type & TYPE_STRING)
1942   {
1943     int max_value_len = (SCR_FIELDX - 2) * 2;
1944
1945     xpos = 1;
1946     font_nr = FONT_VALUE_2;
1947
1948     if (strlen(value_string) > max_value_len)
1949       value_string[max_value_len] = '\0';
1950   }
1951   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1952   {
1953     font_nr = (*(boolean *)(setup_info[pos].value) ? FONT_OPTION_ON :
1954                FONT_OPTION_OFF);
1955   }
1956
1957   DrawText(mSX + xpos * 32, mSY + ypos * 32,
1958            (xpos == 3 ? "              " : "   "), font_nr);
1959   DrawText(mSX + xpos * 32, mSY + ypos * 32, value_string, font_nr);
1960 }
1961
1962 static void changeSetupValue(int pos)
1963 {
1964   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1965   {
1966     *(boolean *)setup_info[pos].value ^= TRUE;
1967   }
1968   else if (setup_info[pos].type & TYPE_KEY)
1969   {
1970     Key key;
1971
1972     setup_info[pos].type |= TYPE_QUERY;
1973     drawSetupValue(pos);
1974     setup_info[pos].type &= ~TYPE_QUERY;
1975
1976     key = getSetupKey();
1977     if (key != KSYM_UNDEFINED)
1978       *(Key *)setup_info[pos].value = key;
1979   }
1980
1981   drawSetupValue(pos);
1982 }
1983
1984 static void DrawSetupScreen_Generic()
1985 {
1986   char *title_string = NULL;
1987   int i;
1988
1989   UnmapAllGadgets();
1990   CloseDoor(DOOR_CLOSE_2);
1991
1992   ClearWindow();
1993
1994   if (setup_mode == SETUP_MODE_MAIN)
1995   {
1996     setup_info = setup_info_main;
1997     title_string = "Setup";
1998   }
1999   else if (setup_mode == SETUP_MODE_GAME)
2000   {
2001     setup_info = setup_info_game;
2002     title_string = "Setup Game";
2003   }
2004   else if (setup_mode == SETUP_MODE_EDITOR)
2005   {
2006     setup_info = setup_info_editor;
2007     title_string = "Setup Editor";
2008   }
2009   else if (setup_mode == SETUP_MODE_GRAPHICS)
2010   {
2011     setup_info = setup_info_graphics;
2012     title_string = "Setup Graphics";
2013   }
2014   else if (setup_mode == SETUP_MODE_SOUND)
2015   {
2016     setup_info = setup_info_sound;
2017     title_string = "Setup Sound";
2018   }
2019   else if (setup_mode == SETUP_MODE_ARTWORK)
2020   {
2021     setup_info = setup_info_artwork;
2022     title_string = "Custom Artwork";
2023   }
2024   else if (setup_mode == SETUP_MODE_SHORTCUT)
2025   {
2026     setup_info = setup_info_shortcut;
2027     title_string = "Setup Shortcuts";
2028   }
2029
2030   DrawText(mSX + 16, mSY + 16, title_string, FONT_TITLE_1);
2031
2032   num_setup_info = 0;
2033   for(i=0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2034   {
2035     void *value_ptr = setup_info[i].value;
2036     int ypos = MENU_SCREEN_START_YPOS + i;
2037     int font_nr = FONT_MENU_1;
2038
2039     /* set some entries to "unchangeable" according to other variables */
2040     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
2041         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
2042         (value_ptr == &setup.sound_music && !audio.music_available) ||
2043         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
2044       setup_info[i].type |= TYPE_GHOSTED;
2045
2046     if (setup_info[i].type & TYPE_STRING)
2047       font_nr = FONT_MENU_2;
2048
2049     DrawText(mSX + 32, mSY + ypos * 32, setup_info[i].text, font_nr);
2050
2051     if (setup_info[i].type & TYPE_ENTER_MENU)
2052       initCursor(i, IMG_MENU_BUTTON_RIGHT);
2053     else if (setup_info[i].type & TYPE_LEAVE_MENU)
2054       initCursor(i, IMG_MENU_BUTTON_LEFT);
2055     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
2056       initCursor(i, IMG_MENU_BUTTON);
2057
2058     if (setup_info[i].type & TYPE_VALUE)
2059       drawSetupValue(i);
2060
2061     num_setup_info++;
2062   }
2063
2064   FadeToFront();
2065   InitAnimation();
2066   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
2067 }
2068
2069 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
2070 {
2071   static int choice_store[MAX_SETUP_MODES];
2072   int choice = choice_store[setup_mode];        /* always starts with 0 */
2073   int x = 0;
2074   int y = choice;
2075
2076   if (button == MB_MENU_INITIALIZE)
2077   {
2078     /* advance to first valid menu entry */
2079     while (choice < num_setup_info &&
2080            (setup_info[choice].type & TYPE_SKIP_ENTRY))
2081       choice++;
2082     choice_store[setup_mode] = choice;
2083
2084     drawCursor(choice, FC_RED);
2085     return;
2086   }
2087   else if (button == MB_MENU_LEAVE)
2088   {
2089     for (y=0; y<num_setup_info; y++)
2090     {
2091       if (setup_info[y].type & TYPE_LEAVE_MENU)
2092       {
2093         void (*menu_callback_function)(void) = setup_info[y].value;
2094
2095         menu_callback_function();
2096         break;  /* absolutely needed because function changes 'setup_info'! */
2097       }
2098     }
2099
2100     return;
2101   }
2102
2103   if (mx || my)         /* mouse input */
2104   {
2105     x = (mx - mSX) / 32;
2106     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2107   }
2108   else if (dx || dy)    /* keyboard input */
2109   {
2110     if (dx)
2111     {
2112       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
2113
2114       if ((setup_info[choice].type & menu_navigation_type) ||
2115           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
2116         button = MB_MENU_CHOICE;
2117     }
2118     else if (dy)
2119       y = choice + dy;
2120
2121     /* jump to next non-empty menu entry (up or down) */
2122     while (y > 0 && y < num_setup_info - 1 &&
2123            (setup_info[y].type & TYPE_SKIP_ENTRY))
2124       y += dy;
2125   }
2126
2127   if (x == 0 && y >= 0 && y < num_setup_info &&
2128       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
2129   {
2130     if (button)
2131     {
2132       if (y != choice)
2133       {
2134         drawCursor(y, FC_RED);
2135         drawCursor(choice, FC_BLUE);
2136         choice = choice_store[setup_mode] = y;
2137       }
2138     }
2139     else if (!(setup_info[y].type & TYPE_GHOSTED))
2140     {
2141       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
2142       {
2143         void (*menu_callback_function)(void) = setup_info[choice].value;
2144
2145         menu_callback_function();
2146       }
2147       else
2148       {
2149         if ((setup_info[y].type & TYPE_KEYTEXT) &&
2150             (setup_info[y + 1].type & TYPE_KEY))
2151           y++;
2152
2153         if (setup_info[y].type & TYPE_VALUE)
2154           changeSetupValue(y);
2155       }
2156     }
2157   }
2158
2159   BackToFront();
2160
2161   if (game_status == GAME_MODE_SETUP)
2162     DoAnimation();
2163 }
2164
2165 void DrawSetupScreen_Input()
2166 {
2167   ClearWindow();
2168
2169   DrawText(mSX+16, mSY+16, "Setup Input", FONT_TITLE_1);
2170
2171   initCursor(0, IMG_MENU_BUTTON);
2172   initCursor(1, IMG_MENU_BUTTON);
2173   initCursor(2, IMG_MENU_BUTTON_RIGHT);
2174   initCursor(13, IMG_MENU_BUTTON_LEFT);
2175
2176   drawCursorXY(10, 0, IMG_MENU_BUTTON_LEFT);
2177   drawCursorXY(12, 0, IMG_MENU_BUTTON_RIGHT);
2178
2179   DrawText(mSX+32, mSY+2*32, "Player:", FONT_MENU_1);
2180   DrawText(mSX+32, mSY+3*32, "Device:", FONT_MENU_1);
2181   DrawText(mSX+32, mSY+15*32, "Back",   FONT_MENU_1);
2182
2183 #if 0
2184   DeactivateJoystickForCalibration();
2185   DrawTextFCentered(SYSIZE - 20, FONT_TEXT_4,
2186                     "Joysticks deactivated on this screen");
2187 #endif
2188
2189   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
2190   FadeToFront();
2191   InitAnimation();
2192 }
2193
2194 static void setJoystickDeviceToNr(char *device_name, int device_nr)
2195 {
2196   if (device_name == NULL)
2197     return;
2198
2199   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
2200     device_nr = 0;
2201
2202   if (strlen(device_name) > 1)
2203   {
2204     char c1 = device_name[strlen(device_name) - 1];
2205     char c2 = device_name[strlen(device_name) - 2];
2206
2207     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
2208       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
2209   }
2210   else
2211     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
2212             strlen(device_name));
2213 }
2214
2215 static void drawPlayerSetupInputInfo(int player_nr)
2216 {
2217   int i;
2218   static struct SetupKeyboardInfo custom_key;
2219   static struct
2220   {
2221     Key *key;
2222     char *text;
2223   } custom[] =
2224   {
2225     { &custom_key.left,  "Joystick Left"  },
2226     { &custom_key.right, "Joystick Right" },
2227     { &custom_key.up,    "Joystick Up"    },
2228     { &custom_key.down,  "Joystick Down"  },
2229     { &custom_key.snap,  "Button 1"       },
2230     { &custom_key.bomb,  "Button 2"       }
2231   };
2232   static char *joystick_name[MAX_PLAYERS] =
2233   {
2234     "Joystick1",
2235     "Joystick2",
2236     "Joystick3",
2237     "Joystick4"
2238   };
2239
2240   custom_key = setup.input[player_nr].key;
2241
2242   DrawText(mSX+11*32, mSY+2*32, int2str(player_nr +1, 1), FONT_INPUT_1_ACTIVE);
2243 #if 1
2244   DrawGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
2245                          PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2246 #else
2247   DrawGraphicThruMask(8, 2, PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2248 #endif
2249
2250   if (setup.input[player_nr].use_joystick)
2251   {
2252     char *device_name = setup.input[player_nr].joy.device_name;
2253
2254     DrawText(mSX+8*32, mSY+3*32,
2255              joystick_name[getJoystickNrFromDeviceName(device_name)],
2256              FONT_VALUE_1);
2257     DrawText(mSX+32, mSY+4*32, "Calibrate", FONT_MENU_1);
2258   }
2259   else
2260   {
2261     DrawText(mSX+8*32, mSY+3*32, "Keyboard ", FONT_VALUE_1);
2262     DrawText(mSX+32,   mSY+4*32, "Customize", FONT_MENU_1);
2263   }
2264
2265   DrawText(mSX+32, mSY+5*32, "Actual Settings:", FONT_MENU_1);
2266   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
2267   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
2268   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
2269   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
2270   DrawText(mSX+2*32, mSY+6*32, ":", FONT_VALUE_OLD);
2271   DrawText(mSX+2*32, mSY+7*32, ":", FONT_VALUE_OLD);
2272   DrawText(mSX+2*32, mSY+8*32, ":", FONT_VALUE_OLD);
2273   DrawText(mSX+2*32, mSY+9*32, ":", FONT_VALUE_OLD);
2274   DrawText(mSX+32, mSY+10*32, "Snap Field:", FONT_VALUE_OLD);
2275   DrawText(mSX+32, mSY+12*32, "Place Bomb:", FONT_VALUE_OLD);
2276
2277   for (i=0; i<6; i++)
2278   {
2279     int ypos = 6 + i + (i > 3 ? i-3 : 0);
2280
2281     DrawText(mSX + 3*32, mSY + ypos*32,
2282              "              ", FONT_VALUE_1);
2283     DrawText(mSX + 3*32, mSY + ypos*32,
2284              (setup.input[player_nr].use_joystick ?
2285               custom[i].text :
2286               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
2287   }
2288 }
2289
2290 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
2291 {
2292   static int choice = 0;
2293   static int player_nr = 0;
2294   int x = 0;
2295   int y = choice;
2296   int pos_start  = SETUPINPUT_SCREEN_POS_START;
2297   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
2298   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
2299   int pos_end    = SETUPINPUT_SCREEN_POS_END;
2300
2301   if (button == MB_MENU_INITIALIZE)
2302   {
2303     drawPlayerSetupInputInfo(player_nr);
2304     drawCursor(choice, FC_RED);
2305     return;
2306   }
2307   else if (button == MB_MENU_LEAVE)
2308   {
2309     setup_mode = SETUP_MODE_MAIN;
2310     DrawSetupScreen();
2311     InitJoysticks();
2312   }
2313
2314   if (mx || my)         /* mouse input */
2315   {
2316     x = (mx - mSX) / 32;
2317     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2318   }
2319   else if (dx || dy)    /* keyboard input */
2320   {
2321     if (dx && choice == 0)
2322       x = (dx < 0 ? 10 : 12);
2323     else if ((dx && choice == 1) ||
2324              (dx == +1 && choice == 2) ||
2325              (dx == -1 && choice == pos_end))
2326       button = MB_MENU_CHOICE;
2327     else if (dy)
2328       y = choice + dy;
2329
2330     if (y >= pos_empty1 && y <= pos_empty2)
2331       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
2332   }
2333
2334   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
2335   {
2336     static unsigned long delay = 0;
2337
2338     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
2339       goto out;
2340
2341     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
2342
2343     drawPlayerSetupInputInfo(player_nr);
2344   }
2345   else if (x == 0 && y >= pos_start && y <= pos_end &&
2346            !(y >= pos_empty1 && y <= pos_empty2))
2347   {
2348     if (button)
2349     {
2350       if (y != choice)
2351       {
2352         drawCursor(y, FC_RED);
2353         drawCursor(choice, FC_BLUE);
2354         choice = y;
2355       }
2356     }
2357     else
2358     {
2359       if (y == 1)
2360       {
2361         char *device_name = setup.input[player_nr].joy.device_name;
2362
2363         if (!setup.input[player_nr].use_joystick)
2364         {
2365           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2366
2367           setJoystickDeviceToNr(device_name, new_device_nr);
2368           setup.input[player_nr].use_joystick = TRUE;
2369         }
2370         else
2371         {
2372           int device_nr = getJoystickNrFromDeviceName(device_name);
2373           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2374
2375           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2376             setup.input[player_nr].use_joystick = FALSE;
2377           else
2378             setJoystickDeviceToNr(device_name, new_device_nr);
2379         }
2380
2381         drawPlayerSetupInputInfo(player_nr);
2382       }
2383       else if (y == 2)
2384       {
2385         if (setup.input[player_nr].use_joystick)
2386         {
2387           InitJoysticks();
2388           CalibrateJoystick(player_nr);
2389         }
2390         else
2391           CustomizeKeyboard(player_nr);
2392       }
2393       else if (y == pos_end)
2394       {
2395         InitJoysticks();
2396
2397         setup_mode = SETUP_MODE_MAIN;
2398         DrawSetupScreen();
2399       }
2400     }
2401   }
2402
2403   BackToFront();
2404
2405   out:
2406
2407   if (game_status == GAME_MODE_SETUP)
2408     DoAnimation();
2409 }
2410
2411 void CustomizeKeyboard(int player_nr)
2412 {
2413   int i;
2414   int step_nr;
2415   boolean finished = FALSE;
2416   static struct SetupKeyboardInfo custom_key;
2417   static struct
2418   {
2419     Key *key;
2420     char *text;
2421   } customize_step[] =
2422   {
2423     { &custom_key.left,  "Move Left"  },
2424     { &custom_key.right, "Move Right" },
2425     { &custom_key.up,    "Move Up"    },
2426     { &custom_key.down,  "Move Down"  },
2427     { &custom_key.snap,  "Snap Field" },
2428     { &custom_key.bomb,  "Place Bomb" }
2429   };
2430
2431   /* read existing key bindings from player setup */
2432   custom_key = setup.input[player_nr].key;
2433
2434   ClearWindow();
2435   DrawText(mSX + 16, mSY + 16, "Keyboard Input", FONT_TITLE_1);
2436
2437   BackToFront();
2438   InitAnimation();
2439
2440   step_nr = 0;
2441   DrawText(mSX, mSY + (2+2*step_nr)*32,
2442            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2443   DrawText(mSX, mSY + (2+2*step_nr+1)*32,
2444            "Key:", FONT_INPUT_1_ACTIVE);
2445   DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2446            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
2447
2448   while(!finished)
2449   {
2450     if (PendingEvent())         /* got event */
2451     {
2452       Event event;
2453
2454       NextEvent(&event);
2455
2456       switch(event.type)
2457       {
2458         case EVENT_KEYPRESS:
2459           {
2460             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2461
2462             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2463             {
2464               finished = TRUE;
2465               break;
2466             }
2467
2468             /* all keys configured -- wait for "Escape" or "Return" key */
2469             if (step_nr == 6)
2470               break;
2471
2472             /* press 'Enter' to keep the existing key binding */
2473             if (key == KSYM_Return)
2474               key = *customize_step[step_nr].key;
2475
2476             /* check if key already used */
2477             for (i=0; i<step_nr; i++)
2478               if (*customize_step[i].key == key)
2479                 break;
2480             if (i < step_nr)
2481               break;
2482
2483             /* got new key binding */
2484             *customize_step[step_nr].key = key;
2485             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2486                      "             ", FONT_VALUE_1);
2487             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2488                      getKeyNameFromKey(key), FONT_VALUE_1);
2489             step_nr++;
2490
2491             /* un-highlight last query */
2492             DrawText(mSX, mSY+(2+2*(step_nr-1))*32,
2493                      customize_step[step_nr-1].text, FONT_MENU_1);
2494             DrawText(mSX, mSY+(2+2*(step_nr-1)+1)*32,
2495                      "Key:", FONT_MENU_1);
2496
2497             /* press 'Enter' to leave */
2498             if (step_nr == 6)
2499             {
2500               DrawText(mSX + 16, mSY + 15*32+16,
2501                        "Press Enter", FONT_TITLE_1);
2502               break;
2503             }
2504
2505             /* query next key binding */
2506             DrawText(mSX, mSY+(2+2*step_nr)*32,
2507                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2508             DrawText(mSX, mSY+(2+2*step_nr+1)*32,
2509                      "Key:", FONT_INPUT_1_ACTIVE);
2510             DrawText(mSX + 4*32, mSY+(2+2*step_nr+1)*32,
2511                      getKeyNameFromKey(*customize_step[step_nr].key),
2512                      FONT_VALUE_OLD);
2513           }
2514           break;
2515
2516         case EVENT_KEYRELEASE:
2517           key_joystick_mapping = 0;
2518           break;
2519
2520         default:
2521           HandleOtherEvents(&event);
2522           break;
2523       }
2524     }
2525
2526     BackToFront();
2527     DoAnimation();
2528
2529     /* don't eat all CPU time */
2530     Delay(10);
2531   }
2532
2533   /* write new key bindings back to player setup */
2534   setup.input[player_nr].key = custom_key;
2535
2536   StopAnimation();
2537   DrawSetupScreen_Input();
2538 }
2539
2540 static boolean CalibrateJoystickMain(int player_nr)
2541 {
2542   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2543   int new_joystick_xright = JOYSTICK_XMIDDLE;
2544   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2545   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2546   int new_joystick_xmiddle, new_joystick_ymiddle;
2547
2548   int joystick_fd = joystick.fd[player_nr];
2549   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2550   boolean check[3][3];
2551   int check_remaining = 3 * 3;
2552   int joy_x, joy_y;
2553   int joy_value;
2554   int result = -1;
2555
2556   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2557     return FALSE;
2558
2559   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2560     return FALSE;
2561
2562   ClearWindow();
2563
2564   for(y=0; y < 3; y++)
2565   {
2566     for(x=0; x < 3; x++)
2567     {
2568       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
2569       check[x][y] = FALSE;
2570     }
2571   }
2572
2573   DrawText(mSX,      mSY +  6 * 32, " ROTATE JOYSTICK ", FONT_TITLE_1);
2574   DrawText(mSX,      mSY +  7 * 32, "IN ALL DIRECTIONS", FONT_TITLE_1);
2575   DrawText(mSX + 16, mSY +  9 * 32, "  IF ALL BALLS  ",  FONT_TITLE_1);
2576   DrawText(mSX,      mSY + 10 * 32, "   ARE YELLOW,   ", FONT_TITLE_1);
2577   DrawText(mSX,      mSY + 11 * 32, " CENTER JOYSTICK ", FONT_TITLE_1);
2578   DrawText(mSX,      mSY + 12 * 32, "       AND       ", FONT_TITLE_1);
2579   DrawText(mSX,      mSY + 13 * 32, "PRESS ANY BUTTON!", FONT_TITLE_1);
2580
2581   joy_value = Joystick(player_nr);
2582   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2583   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2584
2585   /* eventually uncalibrated center position (joystick could be uncentered) */
2586   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2587     return FALSE;
2588
2589   new_joystick_xmiddle = joy_x;
2590   new_joystick_ymiddle = joy_y;
2591
2592   DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
2593   BackToFront();
2594
2595   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2596   InitAnimation();
2597
2598   while(result < 0)
2599   {
2600     if (PendingEvent())         /* got event */
2601     {
2602       Event event;
2603
2604       NextEvent(&event);
2605
2606       switch(event.type)
2607       {
2608         case EVENT_KEYPRESS:
2609           switch(GetEventKey((KeyEvent *)&event, TRUE))
2610           {
2611             case KSYM_Return:
2612               if (check_remaining == 0)
2613                 result = 1;
2614               break;
2615
2616             case KSYM_Escape:
2617               result = 0;
2618               break;
2619
2620             default:
2621               break;
2622           }
2623           break;
2624
2625         case EVENT_KEYRELEASE:
2626           key_joystick_mapping = 0;
2627           break;
2628
2629         default:
2630           HandleOtherEvents(&event);
2631           break;
2632       }
2633     }
2634
2635     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2636       return FALSE;
2637
2638     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2639     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2640     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2641     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2642
2643     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2644     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2645     setup.input[player_nr].joy.xright = new_joystick_xright;
2646     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2647     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2648     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2649
2650     CheckJoystickData();
2651
2652     joy_value = Joystick(player_nr);
2653
2654     if (joy_value & JOY_BUTTON && check_remaining == 0)
2655       result = 1;
2656
2657     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2658     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2659
2660     if (x != last_x || y != last_y)
2661     {
2662       DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_YELLOW, 0);
2663       DrawGraphic(xpos + x,      ypos + y,      IMG_MENU_CALIBRATE_RED,    0);
2664
2665       last_x = x;
2666       last_y = y;
2667
2668       if (check_remaining > 0 && !check[x+1][y+1])
2669       {
2670         check[x+1][y+1] = TRUE;
2671         check_remaining--;
2672       }
2673
2674 #if 0
2675 #ifdef DEBUG
2676       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2677              setup.input[player_nr].joy.xleft,
2678              setup.input[player_nr].joy.xmiddle,
2679              setup.input[player_nr].joy.xright);
2680       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2681              setup.input[player_nr].joy.yupper,
2682              setup.input[player_nr].joy.ymiddle,
2683              setup.input[player_nr].joy.ylower);
2684 #endif
2685 #endif
2686
2687     }
2688
2689     BackToFront();
2690     DoAnimation();
2691
2692     /* don't eat all CPU time */
2693     Delay(10);
2694   }
2695
2696   /* calibrated center position (joystick should now be centered) */
2697   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2698     return FALSE;
2699
2700   new_joystick_xmiddle = joy_x;
2701   new_joystick_ymiddle = joy_y;
2702
2703   StopAnimation();
2704
2705   DrawSetupScreen_Input();
2706
2707   /* wait until the last pressed button was released */
2708   while (Joystick(player_nr) & JOY_BUTTON)
2709   {
2710     if (PendingEvent())         /* got event */
2711     {
2712       Event event;
2713
2714       NextEvent(&event);
2715       HandleOtherEvents(&event);
2716
2717       Delay(10);
2718     }
2719   }
2720
2721   return TRUE;
2722 }
2723
2724 void CalibrateJoystick(int player_nr)
2725 {
2726   if (!CalibrateJoystickMain(player_nr))
2727   {
2728     ClearWindow();
2729
2730     DrawText(mSX + 16, mSY + 6*32, "  JOYSTICK NOT  ",  FONT_TITLE_1);
2731     DrawText(mSX,      mSY + 7*32, "    AVAILABLE    ", FONT_TITLE_1);
2732     BackToFront();
2733     Delay(2000);        /* show error message for two seconds */
2734   }
2735 }
2736
2737 void DrawSetupScreen()
2738 {
2739   DeactivateJoystick();
2740
2741   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
2742
2743   if (setup_mode == SETUP_MODE_INPUT)
2744     DrawSetupScreen_Input();
2745   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2746     DrawChooseTree(&artwork.gfx_current);
2747   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2748     DrawChooseTree(&artwork.snd_current);
2749   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2750     DrawChooseTree(&artwork.mus_current);
2751   else
2752     DrawSetupScreen_Generic();
2753 }
2754
2755 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2756 {
2757   if (setup_mode == SETUP_MODE_INPUT)
2758     HandleSetupScreen_Input(mx, my, dx, dy, button);
2759   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2760     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2761   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2762     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2763   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2764     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2765   else
2766     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2767 }
2768
2769 void HandleGameActions()
2770 {
2771   if (game_status != GAME_MODE_PLAYING)
2772     return;
2773
2774   if (local_player->LevelSolved)
2775     GameWon();
2776
2777   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2778     TapeStop();
2779
2780   GameActions();
2781
2782   BackToFront();
2783
2784 #if 1
2785   if (tape.auto_play && !tape.playing)
2786     AutoPlayTape();     /* continue automatically playing next tape */
2787 #endif
2788 }
2789
2790 /* ---------- new screen button stuff -------------------------------------- */
2791
2792 /* graphic position and size values for buttons and scrollbars */
2793 #define SC_SCROLLBUTTON_XSIZE           TILEX
2794 #define SC_SCROLLBUTTON_YSIZE           TILEY
2795
2796 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2797 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
2798                                          SC_SCROLLBUTTON_YSIZE)
2799 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2800 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
2801 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2802 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
2803                                          SC_SCROLLBUTTON_YSIZE)
2804 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2805 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
2806                                          SC_SCROLL_VERTICAL_YSIZE)
2807
2808 #define SC_BORDER_SIZE                  14
2809
2810 static struct
2811 {
2812   int gfx_unpressed, gfx_pressed;
2813   int x, y;
2814   int gadget_id;
2815   char *infotext;
2816 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2817 {
2818   {
2819     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
2820     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2821     SCREEN_CTRL_ID_SCROLL_UP,
2822     "scroll up"
2823   },
2824   {
2825     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
2826     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2827     SCREEN_CTRL_ID_SCROLL_DOWN,
2828     "scroll down"
2829   }
2830 };
2831
2832 static struct
2833 {
2834 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2835   Bitmap **gfx_unpressed, **gfx_pressed;
2836 #else
2837   int gfx_unpressed, gfx_pressed;
2838 #endif
2839   int x, y;
2840   int width, height;
2841   int type;
2842   int gadget_id;
2843   char *infotext;
2844 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2845 {
2846   {
2847 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2848     &scrollbar_bitmap[0], &scrollbar_bitmap[1],
2849 #else
2850     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
2851 #endif
2852     SC_SCROLL_VERTICAL_XPOS, SC_SCROLL_VERTICAL_YPOS,
2853     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2854     GD_TYPE_SCROLLBAR_VERTICAL,
2855     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2856     "scroll level series vertically"
2857   }
2858 };
2859
2860 static void CreateScreenScrollbuttons()
2861 {
2862   struct GadgetInfo *gi;
2863   unsigned long event_mask;
2864   int i;
2865
2866   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2867   {
2868     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2869     int gfx_unpressed, gfx_pressed;
2870     int x, y, width, height;
2871     int gd_x1, gd_x2, gd_y1, gd_y2;
2872     int id = scrollbutton_info[i].gadget_id;
2873
2874     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2875
2876     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
2877     y = mSY + scrollbutton_info[i].y;
2878     width = SC_SCROLLBUTTON_XSIZE;
2879     height = SC_SCROLLBUTTON_YSIZE;
2880
2881     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
2882       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
2883                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
2884
2885     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2886     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2887     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2888     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2889     gd_x1 = graphic_info[gfx_unpressed].src_x;
2890     gd_y1 = graphic_info[gfx_unpressed].src_y;
2891     gd_x2 = graphic_info[gfx_pressed].src_x;
2892     gd_y2 = graphic_info[gfx_pressed].src_y;
2893
2894     gi = CreateGadget(GDI_CUSTOM_ID, id,
2895                       GDI_CUSTOM_TYPE_ID, i,
2896                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2897                       GDI_X, x,
2898                       GDI_Y, y,
2899                       GDI_WIDTH, width,
2900                       GDI_HEIGHT, height,
2901                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2902                       GDI_STATE, GD_BUTTON_UNPRESSED,
2903                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2904                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2905                       GDI_EVENT_MASK, event_mask,
2906                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2907                       GDI_END);
2908
2909     if (gi == NULL)
2910       Error(ERR_EXIT, "cannot create gadget");
2911
2912     screen_gadget[id] = gi;
2913   }
2914 }
2915
2916 static void CreateScreenScrollbars()
2917 {
2918   int i;
2919
2920   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2921   {
2922     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2923 #if !defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2924     int gfx_unpressed, gfx_pressed;
2925 #endif
2926     int x, y, width, height;
2927     int gd_x1, gd_x2, gd_y1, gd_y2;
2928     struct GadgetInfo *gi;
2929     int items_max, items_visible, item_position;
2930     unsigned long event_mask;
2931     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
2932     int id = scrollbar_info[i].gadget_id;
2933
2934     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2935
2936     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
2937     y = mSY + scrollbar_info[i].y;
2938     width  = scrollbar_info[i].width;
2939     height = scrollbar_info[i].height;
2940
2941     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
2942       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
2943
2944     items_max = num_page_entries;
2945     items_visible = num_page_entries;
2946     item_position = 0;
2947
2948 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2949     gd_bitmap_unpressed = *scrollbar_info[i].gfx_unpressed;
2950     gd_bitmap_pressed   = *scrollbar_info[i].gfx_pressed;
2951     gd_x1 = 0;
2952     gd_y1 = 0;
2953     gd_x2 = 0;
2954     gd_y2 = 0;
2955 #else
2956     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
2957     gfx_pressed   = scrollbar_info[i].gfx_pressed;
2958     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2959     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2960     gd_x1 = graphic_info[gfx_unpressed].src_x;
2961     gd_y1 = graphic_info[gfx_unpressed].src_y;
2962     gd_x2 = graphic_info[gfx_pressed].src_x;
2963     gd_y2 = graphic_info[gfx_pressed].src_y;
2964 #endif
2965
2966     gi = CreateGadget(GDI_CUSTOM_ID, id,
2967                       GDI_CUSTOM_TYPE_ID, i,
2968                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2969                       GDI_X, x,
2970                       GDI_Y, y,
2971                       GDI_WIDTH, width,
2972                       GDI_HEIGHT, height,
2973                       GDI_TYPE, scrollbar_info[i].type,
2974                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2975                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2976                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2977                       GDI_STATE, GD_BUTTON_UNPRESSED,
2978                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2979                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2980                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
2981                       GDI_EVENT_MASK, event_mask,
2982                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2983                       GDI_END);
2984
2985     if (gi == NULL)
2986       Error(ERR_EXIT, "cannot create gadget");
2987
2988     screen_gadget[id] = gi;
2989   }
2990 }
2991
2992 void CreateScreenGadgets()
2993 {
2994   int last_game_status = game_status;   /* save current game status */
2995
2996 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2997   int i;
2998
2999   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3000   {
3001     scrollbar_bitmap[i] = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
3002
3003     /* copy pointers to clip mask and GC */
3004     scrollbar_bitmap[i]->clip_mask =
3005       graphic_info[IMG_MENU_SCROLLBAR + i].clip_mask;
3006     scrollbar_bitmap[i]->stored_clip_gc =
3007       graphic_info[IMG_MENU_SCROLLBAR + i].clip_gc;
3008
3009     BlitBitmap(graphic_info[IMG_MENU_SCROLLBAR + i].bitmap,
3010                scrollbar_bitmap[i],
3011                graphic_info[IMG_MENU_SCROLLBAR + i].src_x,
3012                graphic_info[IMG_MENU_SCROLLBAR + i].src_y,
3013                TILEX, TILEY, 0, 0);
3014   }
3015 #endif
3016
3017   /* force LEVELS draw offset for scrollbar / scrollbutton gadgets */
3018   game_status = GAME_MODE_LEVELS;
3019
3020   CreateScreenScrollbuttons();
3021   CreateScreenScrollbars();
3022
3023   game_status = last_game_status;       /* restore current game status */
3024 }
3025
3026 void FreeScreenGadgets()
3027 {
3028   int i;
3029
3030 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3031   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3032   {
3033     /* prevent freeing clip mask and GC twice */
3034     scrollbar_bitmap[i]->clip_mask = None;
3035     scrollbar_bitmap[i]->stored_clip_gc = None;
3036
3037     FreeBitmap(scrollbar_bitmap[i]);
3038   }
3039 #endif
3040
3041   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3042     FreeGadget(screen_gadget[i]);
3043 }
3044
3045 void MapChooseTreeGadgets(TreeInfo *ti)
3046 {
3047   int num_entries = numTreeInfoInGroup(ti);
3048   int i;
3049
3050   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3051     return;
3052
3053   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3054     MapGadget(screen_gadget[i]);
3055 }
3056
3057 void UnmapChooseTreeGadgets()
3058 {
3059   int i;
3060
3061   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3062     UnmapGadget(screen_gadget[i]);
3063 }
3064
3065 static void HandleScreenGadgets(struct GadgetInfo *gi)
3066 {
3067   int id = gi->custom_id;
3068
3069   if (game_status != GAME_MODE_LEVELS && game_status != GAME_MODE_SETUP)
3070     return;
3071
3072   switch (id)
3073   {
3074     case SCREEN_CTRL_ID_SCROLL_UP:
3075       if (game_status == GAME_MODE_LEVELS)
3076         HandleChooseLevel(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3077       else if (game_status == GAME_MODE_SETUP)
3078         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3079       break;
3080
3081     case SCREEN_CTRL_ID_SCROLL_DOWN:
3082       if (game_status == GAME_MODE_LEVELS)
3083         HandleChooseLevel(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3084       else if (game_status == GAME_MODE_SETUP)
3085         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3086       break;
3087
3088     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
3089       if (game_status == GAME_MODE_LEVELS)
3090         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3091       else if (game_status == GAME_MODE_SETUP)
3092         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3093       break;
3094
3095     default:
3096       break;
3097   }
3098 }