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_SLIPPERY,                    -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 #if 1
 922   redraw_mask |= REDRAW_FIELD;
 923 #else
 924   for(i=2; i<16; i++)
 925   {
 926     MarkTileDirty(0, i);
 927     MarkTileDirty(1, i);
 928   }
 929 #endif
 930
 931   FrameCounter++;
 932 }
 933
 934 void DrawHelpScreenElText(int start)
 935 {
 936   int i;
 937   int xstart = mSX + 56, ystart = mSY + 65 + 2 * 32, ystep = TILEY + 4;
 938   int ybottom = SYSIZE - 20;
 939
 940   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
 941   ClearWindow();
 942   DrawHeadline();
 943
 944   DrawTextFCentered(100, FONT_TEXT_1, "The game elements:");
 945
 946   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
 947   {
 948     DrawText(xstart,
 949              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
 950              helpscreen_eltext[i][0], FONT_TEXT_2);
 951     DrawText(xstart, ystart + (i - start) * ystep + 16,
 952              helpscreen_eltext[i][1], FONT_TEXT_2);
 953   }
 954
 955   DrawTextFCentered(ybottom, FONT_TEXT_4,
 956                     "Press any key or button for next page");
 957 }
 958
 959 void DrawHelpScreenMusicText(int num)
 960 {
 961   int ystart = 150, ystep = 30;
 962   int ybottom = SYSIZE - 20;
 963
 964   FadeSounds();
 965   ClearWindow();
 966   DrawHeadline();
 967
 968   DrawTextFCentered(100, FONT_TEXT_1, "The game background music loops:");
 969
 970   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "Excerpt from");
 971   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3,
 972                     "\"%s\"", helpscreen_music[num][0]);
 973   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "by");
 974   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3,
 975                     "%s", helpscreen_music[num][1]);
 976   DrawTextFCentered(ystart + 4 * ystep, FONT_TEXT_2, "from the album");
 977   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_3,
 978                     "\"%s\"", helpscreen_music[num][2]);
 979
 980   DrawTextFCentered(ybottom, FONT_TEXT_4,
 981                     "Press any key or button for next page");
 982
 983 #if 0
 984   PlaySoundLoop(background_loop[num]);
 985 #endif
 986 }
 987
 988 void DrawHelpScreenCreditsText()
 989 {
 990   int ystart = 150, ystep = 30;
 991   int ybottom = SYSIZE - 20;
 992
 993   FadeSounds();
 994   ClearWindow();
 995   DrawHeadline();
 996
 997   DrawTextFCentered(100, FONT_TEXT_1, "Credits:");
 998   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "DOS port of the game:");
 999   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3, "Guido Schulz");
1000   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "Additional toons:");
1001   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3, "Karl Hörnell");
1002   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_2,
1003                     "...and many thanks to all contributors");
1004   DrawTextFCentered(ystart + 6 * ystep, FONT_TEXT_2, "of new levels!");
1005
1006   DrawTextFCentered(ybottom, FONT_TEXT_4,
1007                     "Press any key or button for next page");
1008 }
1009
1010 void DrawHelpScreenContactText()
1011 {
1012   int ystart = 150, ystep = 30;
1013   int ybottom = SYSIZE - 20;
1014
1015   ClearWindow();
1016   DrawHeadline();
1017
1018   DrawTextFCentered(100, FONT_TEXT_1, "Program information:");
1019
1020   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2,
1021                     "This game is Freeware!");
1022   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_2,
1023                     "If you like it, send e-mail to:");
1024   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_3,
1025                     "info@artsoft.org");
1026   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_2,
1027                     "or SnailMail to:");
1028   DrawTextFCentered(ystart + 4 * ystep + 0, FONT_TEXT_3,
1029                     "Holger Schemel");
1030   DrawTextFCentered(ystart + 4 * ystep + 20, FONT_TEXT_3,
1031                     "Detmolder Strasse 189");
1032   DrawTextFCentered(ystart + 4 * ystep + 40, FONT_TEXT_3,
1033                     "33604 Bielefeld");
1034   DrawTextFCentered(ystart + 4 * ystep + 60, FONT_TEXT_3,
1035                     "Germany");
1036
1037   DrawTextFCentered(ystart + 7 * ystep, FONT_TEXT_2,
1038                     "If you have created new levels,");
1039   DrawTextFCentered(ystart + 8 * ystep, FONT_TEXT_2,
1040                     "send them to me to include them!");
1041   DrawTextFCentered(ystart + 9 * ystep, FONT_TEXT_2,
1042                     ":-)");
1043
1044   DrawTextFCentered(ybottom, FONT_TEXT_4,
1045                     "Press any key or button for main menu");
1046 }
1047
1048 void DrawHelpScreen()
1049 {
1050   int i;
1051
1052   UnmapAllGadgets();
1053   CloseDoor(DOOR_CLOSE_2);
1054
1055   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1056     helpscreen_step[i] = helpscreen_frame[i] = 0;
1057   helpscreen_musicpos = 0;
1058   helpscreen_state = 0;
1059
1060   DrawHelpScreenElText(0);
1061   DrawHelpScreenElAction(0);
1062
1063   FadeToFront();
1064   InitAnimation();
1065
1066 #if 0
1067   PlaySoundLoop(SND_BACKGROUND_INFO);
1068 #else
1069   PlaySound_Menu_Start(SND_BACKGROUND_INFO);
1070 #endif
1071 }
1072
1073 void HandleHelpScreen(int button)
1074 {
1075   static unsigned long hs_delay = 0;
1076   int num_helpscreen_els_pages =
1077     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
1078   int button_released = !button;
1079   int i;
1080
1081   if (button_released)
1082   {
1083     if (helpscreen_state < num_helpscreen_els_pages - 1)
1084     {
1085       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1086         helpscreen_step[i] = helpscreen_frame[i] = 0;
1087       helpscreen_state++;
1088
1089       FrameCounter = 0;
1090       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
1091       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1092     }
1093     else if (helpscreen_state <
1094              num_helpscreen_els_pages + num_helpscreen_music - 1)
1095     {
1096       helpscreen_state++;
1097       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
1098     }
1099     else if (helpscreen_state ==
1100              num_helpscreen_els_pages + num_helpscreen_music - 1)
1101     {
1102       helpscreen_state++;
1103       DrawHelpScreenCreditsText();
1104     }
1105     else if (helpscreen_state ==
1106              num_helpscreen_els_pages + num_helpscreen_music)
1107     {
1108       helpscreen_state++;
1109       DrawHelpScreenContactText();
1110     }
1111     else
1112     {
1113       FadeSounds();
1114
1115       game_status = GAME_MODE_MAIN;
1116       DrawMainMenu();
1117     }
1118   }
1119   else
1120   {
1121     if (DelayReached(&hs_delay, GAME_FRAME_DELAY))
1122     {
1123       if (helpscreen_state < num_helpscreen_els_pages)
1124         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1125     }
1126
1127     /* !!! workaround for playing "music" that is really a sound loop (and
1128        must therefore periodically be reactivated with the current sound
1129        engine !!! */
1130 #if 0
1131     PlaySoundLoop(SND_BACKGROUND_INFO);
1132 #else
1133     PlaySound_Menu_Continue(SND_BACKGROUND_INFO);
1134 #endif
1135
1136     DoAnimation();
1137   }
1138
1139   BackToFront();
1140 }
1141
1142 void HandleTypeName(int newxpos, Key key)
1143 {
1144   static int xpos = 0, ypos = 2;
1145   int font_width = getFontWidth(FONT_INPUT_1_ACTIVE);
1146   int name_width = getFontWidth(FONT_MENU_1) * strlen("Name:");
1147   int startx = mSX + 32 + name_width;
1148   int starty = mSY + ypos * 32;
1149
1150   if (newxpos)
1151   {
1152     xpos = newxpos;
1153
1154     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1155     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1156
1157     return;
1158   }
1159
1160   if (((key >= KSYM_A && key <= KSYM_Z) ||
1161        (key >= KSYM_a && key <= KSYM_z)) &&
1162       xpos < MAX_PLAYER_NAME_LEN)
1163   {
1164     char ascii;
1165
1166     if (key >= KSYM_A && key <= KSYM_Z)
1167       ascii = 'A' + (char)(key - KSYM_A);
1168     else
1169       ascii = 'a' + (char)(key - KSYM_a);
1170
1171     setup.player_name[xpos] = ascii;
1172     setup.player_name[xpos + 1] = 0;
1173     xpos++;
1174
1175     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1176     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1177   }
1178   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
1179   {
1180     xpos--;
1181     setup.player_name[xpos] = 0;
1182
1183     DrawText(startx + xpos * font_width, starty, "_ ", FONT_INPUT_1_ACTIVE);
1184   }
1185   else if (key == KSYM_Return && xpos > 0)
1186   {
1187     DrawText(startx, starty, setup.player_name, FONT_INPUT_1);
1188     DrawText(startx + xpos * font_width, starty, " ", FONT_INPUT_1_ACTIVE);
1189
1190     SaveSetup();
1191     game_status = GAME_MODE_MAIN;
1192   }
1193
1194   BackToFront();
1195 }
1196
1197 static void DrawChooseTree(TreeInfo **ti_ptr)
1198 {
1199   UnmapAllGadgets();
1200
1201   FreeScreenGadgets();
1202   CreateScreenGadgets();
1203
1204   CloseDoor(DOOR_CLOSE_2);
1205
1206   ClearWindow();
1207
1208   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
1209   MapChooseTreeGadgets(*ti_ptr);
1210
1211   FadeToFront();
1212   InitAnimation();
1213 }
1214
1215 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1216 {
1217   struct GadgetInfo *gi = screen_gadget[id];
1218   int items_max, items_visible, item_position;
1219
1220   items_max = numTreeInfoInGroup(ti);
1221   items_visible = NUM_MENU_ENTRIES_ON_SCREEN;
1222   item_position = first_entry;
1223
1224   if (item_position > items_max - items_visible)
1225     item_position = items_max - items_visible;
1226
1227   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1228                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1229                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1230 }
1231
1232 static void drawChooseTreeList(int first_entry, int num_page_entries,
1233                                TreeInfo *ti)
1234 {
1235   int i;
1236   char buffer[SCR_FIELDX * 2];
1237   int max_buffer_len = (SCR_FIELDX - 2) * 2;
1238   char *title_string = NULL;
1239   int xoffset_setup = 16;
1240   int yoffset_setup = 16;
1241   int xoffset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : xoffset_setup);
1242   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : yoffset_setup);
1243   int last_game_status = game_status;   /* save current game status */
1244
1245   DrawBackground(SX, SY, SXSIZE - 32, SYSIZE);
1246   redraw_mask |= REDRAW_FIELD;
1247
1248   title_string =
1249     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
1250      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
1251      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
1252      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
1253
1254   DrawText(SX + xoffset, SY + yoffset, title_string, FONT_TITLE_1);
1255
1256   /* force LEVELS font on artwork setup screen */
1257   game_status = GAME_MODE_LEVELS;
1258
1259   for(i=0; i<num_page_entries; i++)
1260   {
1261     TreeInfo *node, *node_first;
1262     int entry_pos = first_entry + i;
1263     int ypos = MENU_SCREEN_START_YPOS + i;
1264
1265     node_first = getTreeInfoFirstGroupEntry(ti);
1266     node = getTreeInfoFromPos(node_first, entry_pos);
1267
1268     strncpy(buffer, node->name , max_buffer_len);
1269     buffer[max_buffer_len] = '\0';
1270
1271     DrawText(mSX + 32, mSY + ypos * 32, buffer, FONT_TEXT_1 + node->color);
1272
1273     if (node->parent_link)
1274       initCursor(i, IMG_MENU_BUTTON_LEFT);
1275     else if (node->level_group)
1276       initCursor(i, IMG_MENU_BUTTON_RIGHT);
1277     else
1278       initCursor(i, IMG_MENU_BUTTON);
1279   }
1280
1281   game_status = last_game_status;       /* restore current game status */
1282 }
1283
1284 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1285 {
1286   TreeInfo *node, *node_first;
1287   int x, last_redraw_mask = redraw_mask;
1288
1289   if (ti->type != TREE_TYPE_LEVEL_DIR)
1290     return;
1291
1292   node_first = getTreeInfoFirstGroupEntry(ti);
1293   node = getTreeInfoFromPos(node_first, entry_pos);
1294
1295   DrawBackground(SX + 32, SY + 32, SXSIZE - 64, 32);
1296
1297   if (node->parent_link)
1298     DrawTextFCentered(40, FONT_TITLE_2, "leave group \"%s\"",
1299                       node->class_desc);
1300   else if (node->level_group)
1301     DrawTextFCentered(40, FONT_TITLE_2, "enter group \"%s\"",
1302                       node->class_desc);
1303   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1304     DrawTextFCentered(40, FONT_TITLE_2, "%3d levels (%s)",
1305                       node->levels, node->class_desc);
1306
1307   /* let BackToFront() redraw only what is needed */
1308   redraw_mask = last_redraw_mask | REDRAW_TILES;
1309   for (x=0; x<SCR_FIELDX; x++)
1310     MarkTileDirty(x, 1);
1311 }
1312
1313 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1314                              TreeInfo **ti_ptr)
1315 {
1316   TreeInfo *ti = *ti_ptr;
1317   int x = 0;
1318   int y = ti->cl_cursor;
1319   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1320   int num_entries = numTreeInfoInGroup(ti);
1321   int num_page_entries;
1322   int last_game_status = game_status;   /* save current game status */
1323
1324   /* force LEVELS draw offset on choose level and artwork setup screen */
1325   game_status = GAME_MODE_LEVELS;
1326
1327   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
1328     num_page_entries = num_entries;
1329   else
1330     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1331
1332   game_status = last_game_status;       /* restore current game status */
1333
1334   if (button == MB_MENU_INITIALIZE)
1335   {
1336     int num_entries = numTreeInfoInGroup(ti);
1337     int entry_pos = posTreeInfo(ti);
1338
1339     if (ti->cl_first == -1)
1340     {
1341       /* only on initialization */
1342       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1343       ti->cl_cursor = entry_pos - ti->cl_first;
1344     }
1345     else if (ti->cl_cursor >= num_page_entries ||
1346              (num_entries > num_page_entries &&
1347               num_entries - ti->cl_first < num_page_entries))
1348     {
1349       /* only after change of list size (by custom graphic configuration) */
1350       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1351       ti->cl_cursor = entry_pos - ti->cl_first;
1352     }
1353
1354     if (dx == 999)      /* first entry is set by scrollbar position */
1355       ti->cl_first = dy;
1356     else
1357       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1358                                 ti->cl_first, ti);
1359
1360     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1361     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1362     drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1363
1364     return;
1365   }
1366   else if (button == MB_MENU_LEAVE)
1367   {
1368     if (ti->node_parent)
1369     {
1370       *ti_ptr = ti->node_parent;
1371       DrawChooseTree(ti_ptr);
1372     }
1373     else if (game_status == GAME_MODE_SETUP)
1374     {
1375       execSetupArtwork();
1376     }
1377     else
1378     {
1379       game_status = GAME_MODE_MAIN;
1380       DrawMainMenu();
1381     }
1382
1383     return;
1384   }
1385
1386   if (mx || my)         /* mouse input */
1387   {
1388     int last_game_status = game_status; /* save current game status */
1389
1390     /* force LEVELS draw offset on artwork setup screen */
1391     game_status = GAME_MODE_LEVELS;
1392
1393     x = (mx - mSX) / 32;
1394     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
1395
1396     game_status = last_game_status;     /* restore current game status */
1397   }
1398   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
1399   {
1400     /* move cursor instead of scrolling when already at start/end of list */
1401     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
1402       dy = -1;
1403     else if (dy == +1 * SCROLL_LINE &&
1404              ti->cl_first + num_page_entries == num_entries)
1405       dy = 1;
1406
1407     /* handle scrolling screen one line or page */
1408     if (ti->cl_cursor + dy < 0 ||
1409         ti->cl_cursor + dy > num_page_entries - 1)
1410     {
1411       if (ABS(dy) == SCROLL_PAGE)
1412         step = num_page_entries - 1;
1413
1414       if (dy < 0 && ti->cl_first > 0)
1415       {
1416         /* scroll page/line up */
1417
1418         ti->cl_first -= step;
1419         if (ti->cl_first < 0)
1420           ti->cl_first = 0;
1421
1422         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1423         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1424         drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1425         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1426                                   ti->cl_first, ti);
1427       }
1428       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
1429       {
1430         /* scroll page/line down */
1431
1432         ti->cl_first += step;
1433         if (ti->cl_first + num_page_entries > num_entries)
1434           ti->cl_first = MAX(0, num_entries - num_page_entries);
1435
1436         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1437         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1438         drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1439         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1440                                   ti->cl_first, ti);
1441       }
1442
1443       return;
1444     }
1445
1446     /* handle moving cursor one line */
1447     y = ti->cl_cursor + dy;
1448   }
1449
1450   if (dx == 1)
1451   {
1452     TreeInfo *node_first, *node_cursor;
1453     int entry_pos = ti->cl_first + y;
1454
1455     node_first = getTreeInfoFirstGroupEntry(ti);
1456     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1457
1458     if (node_cursor->node_group)
1459     {
1460       node_cursor->cl_first = ti->cl_first;
1461       node_cursor->cl_cursor = ti->cl_cursor;
1462       *ti_ptr = node_cursor->node_group;
1463       DrawChooseTree(ti_ptr);
1464
1465       return;
1466     }
1467   }
1468   else if (dx == -1 && ti->node_parent)
1469   {
1470     *ti_ptr = ti->node_parent;
1471     DrawChooseTree(ti_ptr);
1472
1473     return;
1474   }
1475
1476   if (x == 0 && y >= 0 && y < num_page_entries)
1477   {
1478     if (button)
1479     {
1480       if (y != ti->cl_cursor)
1481       {
1482         drawChooseTreeCursor(y, FC_RED);
1483         drawChooseTreeCursor(ti->cl_cursor, FC_BLUE);
1484         drawChooseTreeInfo(ti->cl_first + y, ti);
1485         ti->cl_cursor = y;
1486       }
1487     }
1488     else
1489     {
1490       TreeInfo *node_first, *node_cursor;
1491       int entry_pos = ti->cl_first + y;
1492
1493       node_first = getTreeInfoFirstGroupEntry(ti);
1494       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1495
1496       if (node_cursor->node_group)
1497       {
1498         node_cursor->cl_first = ti->cl_first;
1499         node_cursor->cl_cursor = ti->cl_cursor;
1500         *ti_ptr = node_cursor->node_group;
1501         DrawChooseTree(ti_ptr);
1502       }
1503       else if (node_cursor->parent_link)
1504       {
1505         *ti_ptr = node_cursor->node_parent;
1506         DrawChooseTree(ti_ptr);
1507       }
1508       else
1509       {
1510         node_cursor->cl_first = ti->cl_first;
1511         node_cursor->cl_cursor = ti->cl_cursor;
1512         *ti_ptr = node_cursor;
1513
1514         if (ti->type == TREE_TYPE_LEVEL_DIR)
1515         {
1516           LoadLevelSetup_SeriesInfo();
1517
1518           SaveLevelSetup_LastSeries();
1519           SaveLevelSetup_SeriesInfo();
1520           TapeErase();
1521         }
1522
1523         if (game_status == GAME_MODE_SETUP)
1524         {
1525           execSetupArtwork();
1526         }
1527         else
1528         {
1529           game_status = GAME_MODE_MAIN;
1530           DrawMainMenu();
1531         }
1532       }
1533     }
1534   }
1535
1536   BackToFront();
1537
1538   if (game_status == GAME_MODE_LEVELS || game_status == GAME_MODE_SETUP)
1539     DoAnimation();
1540 }
1541
1542 void DrawChooseLevel()
1543 {
1544   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
1545
1546   DrawChooseTree(&leveldir_current);
1547 }
1548
1549 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1550 {
1551   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1552 }
1553
1554 void DrawHallOfFame(int highlight_position)
1555 {
1556   UnmapAllGadgets();
1557   FadeSounds();
1558   CloseDoor(DOOR_CLOSE_2);
1559
1560   if (highlight_position < 0)
1561     LoadScore(level_nr);
1562
1563   FadeToFront();
1564   InitAnimation();
1565
1566   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1567
1568 #if 0
1569   PlaySound(SND_BACKGROUND_SCORES);
1570 #else
1571   PlaySound_Menu_Start(SND_BACKGROUND_SCORES);
1572 #endif
1573 }
1574
1575 static void drawHallOfFameList(int first_entry, int highlight_position)
1576 {
1577   int i;
1578
1579   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
1580   ClearWindow();
1581
1582   DrawText(mSX + 80, mSY + 8, "Hall Of Fame", FONT_TITLE_1);
1583   DrawTextFCentered(46, FONT_TITLE_2, "HighScores of Level %d", level_nr);
1584
1585   for(i=0; i<NUM_MENU_ENTRIES_ON_SCREEN; i++)
1586   {
1587     int entry = first_entry + i;
1588     boolean active = (entry == highlight_position);
1589     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
1590     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
1591     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
1592     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
1593     int dx1 = 3 * getFontWidth(font_nr1);
1594     int dx2 = dx1 + getFontWidth(font_nr1);
1595     int dx3 = dx2 + 25 * getFontWidth(font_nr3);
1596     int sy = mSY + 64 + i * 32;
1597
1598     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
1599     DrawText(mSX + dx1, sy, ".", font_nr1);
1600     DrawText(mSX + dx2, sy, ".........................", font_nr3);
1601     if (strcmp(highscore[entry].Name, EMPTY_PLAYER_NAME) != 0)
1602       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
1603     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
1604   }
1605 }
1606
1607 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1608 {
1609   static int first_entry = 0;
1610   static int highlight_position = 0;
1611   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1612   int button_released = !button;
1613
1614   if (button == MB_MENU_INITIALIZE)
1615   {
1616     first_entry = 0;
1617     highlight_position = mx;
1618     drawHallOfFameList(first_entry, highlight_position);
1619
1620     return;
1621   }
1622
1623   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
1624     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
1625
1626   if (dy < 0)
1627   {
1628     if (first_entry > 0)
1629     {
1630       first_entry -= step;
1631       if (first_entry < 0)
1632         first_entry = 0;
1633
1634       drawHallOfFameList(first_entry, highlight_position);
1635
1636       return;
1637     }
1638   }
1639   else if (dy > 0)
1640   {
1641     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1642     {
1643       first_entry += step;
1644       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1645         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
1646
1647       drawHallOfFameList(first_entry, highlight_position);
1648
1649       return;
1650     }
1651   }
1652
1653   if (button_released)
1654   {
1655     FadeSound(SND_BACKGROUND_SCORES);
1656     game_status = GAME_MODE_MAIN;
1657     DrawMainMenu();
1658   }
1659
1660   BackToFront();
1661
1662   if (game_status == GAME_MODE_SCORES)
1663   {
1664     DoAnimation();
1665 #if 1
1666     PlaySound_Menu_Continue(SND_BACKGROUND_SCORES);
1667 #endif
1668   }
1669 }
1670
1671
1672 /* ========================================================================= */
1673 /* setup screen functions                                                    */
1674 /* ========================================================================= */
1675
1676 static struct TokenInfo *setup_info;
1677 static int num_setup_info;
1678
1679 static char *graphics_set_name;
1680 static char *sounds_set_name;
1681 static char *music_set_name;
1682
1683 static void execSetupMain()
1684 {
1685   setup_mode = SETUP_MODE_MAIN;
1686   DrawSetupScreen();
1687 }
1688
1689 static void execSetupGame()
1690 {
1691   setup_mode = SETUP_MODE_GAME;
1692   DrawSetupScreen();
1693 }
1694
1695 static void execSetupEditor()
1696 {
1697   setup_mode = SETUP_MODE_EDITOR;
1698   DrawSetupScreen();
1699 }
1700
1701 static void execSetupGraphics()
1702 {
1703   setup_mode = SETUP_MODE_GRAPHICS;
1704   DrawSetupScreen();
1705 }
1706
1707 static void execSetupSound()
1708 {
1709   setup_mode = SETUP_MODE_SOUND;
1710   DrawSetupScreen();
1711 }
1712
1713 static void execSetupArtwork()
1714 {
1715   setup.graphics_set = artwork.gfx_current->identifier;
1716   setup.sounds_set = artwork.snd_current->identifier;
1717   setup.music_set = artwork.mus_current->identifier;
1718
1719   /* needed if last screen (setup choice) changed graphics, sounds or music */
1720   ReloadCustomArtwork();
1721
1722   /* needed for displaying artwork name instead of artwork identifier */
1723   graphics_set_name = artwork.gfx_current->name;
1724   sounds_set_name = artwork.snd_current->name;
1725   music_set_name = artwork.mus_current->name;
1726
1727   setup_mode = SETUP_MODE_ARTWORK;
1728   DrawSetupScreen();
1729 }
1730
1731 static void execSetupChooseGraphics()
1732 {
1733   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1734   DrawSetupScreen();
1735 }
1736
1737 static void execSetupChooseSounds()
1738 {
1739   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1740   DrawSetupScreen();
1741 }
1742
1743 static void execSetupChooseMusic()
1744 {
1745   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1746   DrawSetupScreen();
1747 }
1748
1749 static void execSetupInput()
1750 {
1751   setup_mode = SETUP_MODE_INPUT;
1752   DrawSetupScreen();
1753 }
1754
1755 static void execSetupShortcut()
1756 {
1757   setup_mode = SETUP_MODE_SHORTCUT;
1758   DrawSetupScreen();
1759 }
1760
1761 static void execExitSetup()
1762 {
1763   game_status = GAME_MODE_MAIN;
1764   DrawMainMenu();
1765 }
1766
1767 static void execSaveAndExitSetup()
1768 {
1769   SaveSetup();
1770   execExitSetup();
1771 }
1772
1773 static struct TokenInfo setup_info_main[] =
1774 {
1775   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1776   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor Settings"       },
1777   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1778   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1779   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1780   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1781   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1782   { TYPE_EMPTY,         NULL,                   ""                      },
1783   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1784   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
1785   { 0,                  NULL,                   NULL                    }
1786 };
1787
1788 static struct TokenInfo setup_info_game[] =
1789 {
1790   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1791   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1792   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1793   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1794   { TYPE_EMPTY,         NULL,                   ""                      },
1795   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1796   { 0,                  NULL,                   NULL                    }
1797 };
1798
1799 static struct TokenInfo setup_info_editor[] =
1800 {
1801   { TYPE_STRING,        NULL,                   "Offer Special Elements:"},
1802   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "BoulderDash:"  },
1803   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
1804   { TYPE_SWITCH,        &setup.editor.el_more,          "More:"         },
1805   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
1806   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
1807   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamd. Caves:" },
1808   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX Boulderd.:" },
1809   { TYPE_SWITCH,        &setup.editor.el_chars,         "Characters:"   },
1810   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom:"       },
1811   { TYPE_EMPTY,         NULL,                   ""                      },
1812   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1813   { 0,                  NULL,                   NULL                    }
1814 };
1815
1816 static struct TokenInfo setup_info_graphics[] =
1817 {
1818   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1819   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1820   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1821 #if 0
1822   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1823   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1824 #endif
1825   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1826   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1827   { TYPE_EMPTY,         NULL,                   ""                      },
1828   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1829   { 0,                  NULL,                   NULL                    }
1830 };
1831
1832 static struct TokenInfo setup_info_sound[] =
1833 {
1834   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1835   { TYPE_EMPTY,         NULL,                   ""                      },
1836   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1837   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1838   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1839   { TYPE_EMPTY,         NULL,                   ""                      },
1840   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1841   { 0,                  NULL,                   NULL                    }
1842 };
1843
1844 static struct TokenInfo setup_info_artwork[] =
1845 {
1846   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1847   { TYPE_STRING,        &graphics_set_name,     ""                      },
1848   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1849   { TYPE_STRING,        &sounds_set_name,       ""                      },
1850   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1851   { TYPE_STRING,        &music_set_name,        ""                      },
1852   { TYPE_EMPTY,         NULL,                   ""                      },
1853   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1854   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1855   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1856   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1857   { TYPE_EMPTY,         NULL,                   ""                      },
1858   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1859   { 0,                  NULL,                   NULL                    }
1860 };
1861
1862 static struct TokenInfo setup_info_shortcut[] =
1863 {
1864   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1865   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1866   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1867   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1868   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1869   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1870   { TYPE_EMPTY,         NULL,                   ""                      },
1871   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1872   { TYPE_EMPTY,         NULL,                   ""                      },
1873   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1874   { 0,                  NULL,                   NULL                    }
1875 };
1876
1877 static Key getSetupKey()
1878 {
1879   Key key = KSYM_UNDEFINED;
1880   boolean got_key_event = FALSE;
1881
1882   while (!got_key_event)
1883   {
1884     if (PendingEvent())         /* got event */
1885     {
1886       Event event;
1887
1888       NextEvent(&event);
1889
1890       switch(event.type)
1891       {
1892         case EVENT_KEYPRESS:
1893           {
1894             key = GetEventKey((KeyEvent *)&event, TRUE);
1895
1896             /* press 'Escape' or 'Enter' to keep the existing key binding */
1897             if (key == KSYM_Escape || key == KSYM_Return)
1898               key = KSYM_UNDEFINED;     /* keep old value */
1899
1900             got_key_event = TRUE;
1901           }
1902           break;
1903
1904         case EVENT_KEYRELEASE:
1905           key_joystick_mapping = 0;
1906           break;
1907
1908         default:
1909           HandleOtherEvents(&event);
1910           break;
1911       }
1912     }
1913
1914     BackToFront();
1915     DoAnimation();
1916
1917     /* don't eat all CPU time */
1918     Delay(10);
1919   }
1920
1921   return key;
1922 }
1923
1924 static void drawSetupValue(int pos)
1925 {
1926   int xpos = MENU_SCREEN_VALUE_XPOS;
1927   int ypos = MENU_SCREEN_START_YPOS + pos;
1928   int font_nr = FONT_VALUE_1;
1929   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1930                                      setup_info[pos].value);
1931
1932   if (value_string == NULL)
1933     return;
1934
1935   if (setup_info[pos].type & TYPE_KEY)
1936   {
1937     xpos = 3;
1938
1939     if (setup_info[pos].type & TYPE_QUERY)
1940     {
1941       value_string = "<press key>";
1942       font_nr = FONT_INPUT_1_ACTIVE;
1943     }
1944   }
1945   else if (setup_info[pos].type & TYPE_STRING)
1946   {
1947     int max_value_len = (SCR_FIELDX - 2) * 2;
1948
1949     xpos = 1;
1950     font_nr = FONT_VALUE_2;
1951
1952     if (strlen(value_string) > max_value_len)
1953       value_string[max_value_len] = '\0';
1954   }
1955   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1956   {
1957     font_nr = (*(boolean *)(setup_info[pos].value) ? FONT_OPTION_ON :
1958                FONT_OPTION_OFF);
1959   }
1960
1961   DrawText(mSX + xpos * 32, mSY + ypos * 32,
1962            (xpos == 3 ? "              " : "   "), font_nr);
1963   DrawText(mSX + xpos * 32, mSY + ypos * 32, value_string, font_nr);
1964 }
1965
1966 static void changeSetupValue(int pos)
1967 {
1968   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1969   {
1970     *(boolean *)setup_info[pos].value ^= TRUE;
1971   }
1972   else if (setup_info[pos].type & TYPE_KEY)
1973   {
1974     Key key;
1975
1976     setup_info[pos].type |= TYPE_QUERY;
1977     drawSetupValue(pos);
1978     setup_info[pos].type &= ~TYPE_QUERY;
1979
1980     key = getSetupKey();
1981     if (key != KSYM_UNDEFINED)
1982       *(Key *)setup_info[pos].value = key;
1983   }
1984
1985   drawSetupValue(pos);
1986 }
1987
1988 static void DrawSetupScreen_Generic()
1989 {
1990   char *title_string = NULL;
1991   int i;
1992
1993   UnmapAllGadgets();
1994   CloseDoor(DOOR_CLOSE_2);
1995
1996   ClearWindow();
1997
1998   if (setup_mode == SETUP_MODE_MAIN)
1999   {
2000     setup_info = setup_info_main;
2001     title_string = "Setup";
2002   }
2003   else if (setup_mode == SETUP_MODE_GAME)
2004   {
2005     setup_info = setup_info_game;
2006     title_string = "Setup Game";
2007   }
2008   else if (setup_mode == SETUP_MODE_EDITOR)
2009   {
2010     setup_info = setup_info_editor;
2011     title_string = "Setup Editor";
2012   }
2013   else if (setup_mode == SETUP_MODE_GRAPHICS)
2014   {
2015     setup_info = setup_info_graphics;
2016     title_string = "Setup Graphics";
2017   }
2018   else if (setup_mode == SETUP_MODE_SOUND)
2019   {
2020     setup_info = setup_info_sound;
2021     title_string = "Setup Sound";
2022   }
2023   else if (setup_mode == SETUP_MODE_ARTWORK)
2024   {
2025     setup_info = setup_info_artwork;
2026     title_string = "Custom Artwork";
2027   }
2028   else if (setup_mode == SETUP_MODE_SHORTCUT)
2029   {
2030     setup_info = setup_info_shortcut;
2031     title_string = "Setup Shortcuts";
2032   }
2033
2034   DrawText(mSX + 16, mSY + 16, title_string, FONT_TITLE_1);
2035
2036   num_setup_info = 0;
2037   for(i=0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2038   {
2039     void *value_ptr = setup_info[i].value;
2040     int ypos = MENU_SCREEN_START_YPOS + i;
2041     int font_nr = FONT_MENU_1;
2042
2043     /* set some entries to "unchangeable" according to other variables */
2044     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
2045         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
2046         (value_ptr == &setup.sound_music && !audio.music_available) ||
2047         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
2048       setup_info[i].type |= TYPE_GHOSTED;
2049
2050     if (setup_info[i].type & TYPE_STRING)
2051       font_nr = FONT_MENU_2;
2052
2053     DrawText(mSX + 32, mSY + ypos * 32, setup_info[i].text, font_nr);
2054
2055     if (setup_info[i].type & TYPE_ENTER_MENU)
2056       initCursor(i, IMG_MENU_BUTTON_RIGHT);
2057     else if (setup_info[i].type & TYPE_LEAVE_MENU)
2058       initCursor(i, IMG_MENU_BUTTON_LEFT);
2059     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
2060       initCursor(i, IMG_MENU_BUTTON);
2061
2062     if (setup_info[i].type & TYPE_VALUE)
2063       drawSetupValue(i);
2064
2065     num_setup_info++;
2066   }
2067
2068   FadeToFront();
2069   InitAnimation();
2070   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
2071 }
2072
2073 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
2074 {
2075   static int choice_store[MAX_SETUP_MODES];
2076   int choice = choice_store[setup_mode];        /* always starts with 0 */
2077   int x = 0;
2078   int y = choice;
2079
2080   if (button == MB_MENU_INITIALIZE)
2081   {
2082     /* advance to first valid menu entry */
2083     while (choice < num_setup_info &&
2084            (setup_info[choice].type & TYPE_SKIP_ENTRY))
2085       choice++;
2086     choice_store[setup_mode] = choice;
2087
2088     drawCursor(choice, FC_RED);
2089     return;
2090   }
2091   else if (button == MB_MENU_LEAVE)
2092   {
2093     for (y=0; y<num_setup_info; y++)
2094     {
2095       if (setup_info[y].type & TYPE_LEAVE_MENU)
2096       {
2097         void (*menu_callback_function)(void) = setup_info[y].value;
2098
2099         menu_callback_function();
2100         break;  /* absolutely needed because function changes 'setup_info'! */
2101       }
2102     }
2103
2104     return;
2105   }
2106
2107   if (mx || my)         /* mouse input */
2108   {
2109     x = (mx - mSX) / 32;
2110     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2111   }
2112   else if (dx || dy)    /* keyboard input */
2113   {
2114     if (dx)
2115     {
2116       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
2117
2118       if ((setup_info[choice].type & menu_navigation_type) ||
2119           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
2120         button = MB_MENU_CHOICE;
2121     }
2122     else if (dy)
2123       y = choice + dy;
2124
2125     /* jump to next non-empty menu entry (up or down) */
2126     while (y > 0 && y < num_setup_info - 1 &&
2127            (setup_info[y].type & TYPE_SKIP_ENTRY))
2128       y += dy;
2129   }
2130
2131   if (x == 0 && y >= 0 && y < num_setup_info &&
2132       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
2133   {
2134     if (button)
2135     {
2136       if (y != choice)
2137       {
2138         drawCursor(y, FC_RED);
2139         drawCursor(choice, FC_BLUE);
2140         choice = choice_store[setup_mode] = y;
2141       }
2142     }
2143     else if (!(setup_info[y].type & TYPE_GHOSTED))
2144     {
2145       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
2146       {
2147         void (*menu_callback_function)(void) = setup_info[choice].value;
2148
2149         menu_callback_function();
2150       }
2151       else
2152       {
2153         if ((setup_info[y].type & TYPE_KEYTEXT) &&
2154             (setup_info[y + 1].type & TYPE_KEY))
2155           y++;
2156
2157         if (setup_info[y].type & TYPE_VALUE)
2158           changeSetupValue(y);
2159       }
2160     }
2161   }
2162
2163   BackToFront();
2164
2165   if (game_status == GAME_MODE_SETUP)
2166     DoAnimation();
2167 }
2168
2169 void DrawSetupScreen_Input()
2170 {
2171   ClearWindow();
2172
2173   DrawText(mSX+16, mSY+16, "Setup Input", FONT_TITLE_1);
2174
2175   initCursor(0, IMG_MENU_BUTTON);
2176   initCursor(1, IMG_MENU_BUTTON);
2177   initCursor(2, IMG_MENU_BUTTON_RIGHT);
2178   initCursor(13, IMG_MENU_BUTTON_LEFT);
2179
2180   drawCursorXY(10, 0, IMG_MENU_BUTTON_LEFT);
2181   drawCursorXY(12, 0, IMG_MENU_BUTTON_RIGHT);
2182
2183   DrawText(mSX+32, mSY+2*32, "Player:", FONT_MENU_1);
2184   DrawText(mSX+32, mSY+3*32, "Device:", FONT_MENU_1);
2185   DrawText(mSX+32, mSY+15*32, "Back",   FONT_MENU_1);
2186
2187 #if 0
2188   DeactivateJoystickForCalibration();
2189   DrawTextFCentered(SYSIZE - 20, FONT_TEXT_4,
2190                     "Joysticks deactivated on this screen");
2191 #endif
2192
2193   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
2194   FadeToFront();
2195   InitAnimation();
2196 }
2197
2198 static void setJoystickDeviceToNr(char *device_name, int device_nr)
2199 {
2200   if (device_name == NULL)
2201     return;
2202
2203   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
2204     device_nr = 0;
2205
2206   if (strlen(device_name) > 1)
2207   {
2208     char c1 = device_name[strlen(device_name) - 1];
2209     char c2 = device_name[strlen(device_name) - 2];
2210
2211     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
2212       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
2213   }
2214   else
2215     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
2216             strlen(device_name));
2217 }
2218
2219 static void drawPlayerSetupInputInfo(int player_nr)
2220 {
2221   int i;
2222   static struct SetupKeyboardInfo custom_key;
2223   static struct
2224   {
2225     Key *key;
2226     char *text;
2227   } custom[] =
2228   {
2229     { &custom_key.left,  "Joystick Left"  },
2230     { &custom_key.right, "Joystick Right" },
2231     { &custom_key.up,    "Joystick Up"    },
2232     { &custom_key.down,  "Joystick Down"  },
2233     { &custom_key.snap,  "Button 1"       },
2234     { &custom_key.bomb,  "Button 2"       }
2235   };
2236   static char *joystick_name[MAX_PLAYERS] =
2237   {
2238     "Joystick1",
2239     "Joystick2",
2240     "Joystick3",
2241     "Joystick4"
2242   };
2243
2244   custom_key = setup.input[player_nr].key;
2245
2246   DrawText(mSX+11*32, mSY+2*32, int2str(player_nr +1, 1), FONT_INPUT_1_ACTIVE);
2247 #if 1
2248   DrawGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
2249                          PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2250 #else
2251   DrawGraphicThruMask(8, 2, PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2252 #endif
2253
2254   if (setup.input[player_nr].use_joystick)
2255   {
2256     char *device_name = setup.input[player_nr].joy.device_name;
2257
2258     DrawText(mSX+8*32, mSY+3*32,
2259              joystick_name[getJoystickNrFromDeviceName(device_name)],
2260              FONT_VALUE_1);
2261     DrawText(mSX+32, mSY+4*32, "Calibrate", FONT_MENU_1);
2262   }
2263   else
2264   {
2265     DrawText(mSX+8*32, mSY+3*32, "Keyboard ", FONT_VALUE_1);
2266     DrawText(mSX+32,   mSY+4*32, "Customize", FONT_MENU_1);
2267   }
2268
2269   DrawText(mSX+32, mSY+5*32, "Actual Settings:", FONT_MENU_1);
2270   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
2271   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
2272   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
2273   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
2274   DrawText(mSX+2*32, mSY+6*32, ":", FONT_VALUE_OLD);
2275   DrawText(mSX+2*32, mSY+7*32, ":", FONT_VALUE_OLD);
2276   DrawText(mSX+2*32, mSY+8*32, ":", FONT_VALUE_OLD);
2277   DrawText(mSX+2*32, mSY+9*32, ":", FONT_VALUE_OLD);
2278   DrawText(mSX+32, mSY+10*32, "Snap Field:", FONT_VALUE_OLD);
2279   DrawText(mSX+32, mSY+12*32, "Place Bomb:", FONT_VALUE_OLD);
2280
2281   for (i=0; i<6; i++)
2282   {
2283     int ypos = 6 + i + (i > 3 ? i-3 : 0);
2284
2285     DrawText(mSX + 3*32, mSY + ypos*32,
2286              "              ", FONT_VALUE_1);
2287     DrawText(mSX + 3*32, mSY + ypos*32,
2288              (setup.input[player_nr].use_joystick ?
2289               custom[i].text :
2290               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
2291   }
2292 }
2293
2294 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
2295 {
2296   static int choice = 0;
2297   static int player_nr = 0;
2298   int x = 0;
2299   int y = choice;
2300   int pos_start  = SETUPINPUT_SCREEN_POS_START;
2301   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
2302   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
2303   int pos_end    = SETUPINPUT_SCREEN_POS_END;
2304
2305   if (button == MB_MENU_INITIALIZE)
2306   {
2307     drawPlayerSetupInputInfo(player_nr);
2308     drawCursor(choice, FC_RED);
2309     return;
2310   }
2311   else if (button == MB_MENU_LEAVE)
2312   {
2313     setup_mode = SETUP_MODE_MAIN;
2314     DrawSetupScreen();
2315     InitJoysticks();
2316   }
2317
2318   if (mx || my)         /* mouse input */
2319   {
2320     x = (mx - mSX) / 32;
2321     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2322   }
2323   else if (dx || dy)    /* keyboard input */
2324   {
2325     if (dx && choice == 0)
2326       x = (dx < 0 ? 10 : 12);
2327     else if ((dx && choice == 1) ||
2328              (dx == +1 && choice == 2) ||
2329              (dx == -1 && choice == pos_end))
2330       button = MB_MENU_CHOICE;
2331     else if (dy)
2332       y = choice + dy;
2333
2334     if (y >= pos_empty1 && y <= pos_empty2)
2335       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
2336   }
2337
2338   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
2339   {
2340     static unsigned long delay = 0;
2341
2342     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
2343       goto out;
2344
2345     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
2346
2347     drawPlayerSetupInputInfo(player_nr);
2348   }
2349   else if (x == 0 && y >= pos_start && y <= pos_end &&
2350            !(y >= pos_empty1 && y <= pos_empty2))
2351   {
2352     if (button)
2353     {
2354       if (y != choice)
2355       {
2356         drawCursor(y, FC_RED);
2357         drawCursor(choice, FC_BLUE);
2358         choice = y;
2359       }
2360     }
2361     else
2362     {
2363       if (y == 1)
2364       {
2365         char *device_name = setup.input[player_nr].joy.device_name;
2366
2367         if (!setup.input[player_nr].use_joystick)
2368         {
2369           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2370
2371           setJoystickDeviceToNr(device_name, new_device_nr);
2372           setup.input[player_nr].use_joystick = TRUE;
2373         }
2374         else
2375         {
2376           int device_nr = getJoystickNrFromDeviceName(device_name);
2377           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2378
2379           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2380             setup.input[player_nr].use_joystick = FALSE;
2381           else
2382             setJoystickDeviceToNr(device_name, new_device_nr);
2383         }
2384
2385         drawPlayerSetupInputInfo(player_nr);
2386       }
2387       else if (y == 2)
2388       {
2389         if (setup.input[player_nr].use_joystick)
2390         {
2391           InitJoysticks();
2392           CalibrateJoystick(player_nr);
2393         }
2394         else
2395           CustomizeKeyboard(player_nr);
2396       }
2397       else if (y == pos_end)
2398       {
2399         InitJoysticks();
2400
2401         setup_mode = SETUP_MODE_MAIN;
2402         DrawSetupScreen();
2403       }
2404     }
2405   }
2406
2407   BackToFront();
2408
2409   out:
2410
2411   if (game_status == GAME_MODE_SETUP)
2412     DoAnimation();
2413 }
2414
2415 void CustomizeKeyboard(int player_nr)
2416 {
2417   int i;
2418   int step_nr;
2419   boolean finished = FALSE;
2420   static struct SetupKeyboardInfo custom_key;
2421   static struct
2422   {
2423     Key *key;
2424     char *text;
2425   } customize_step[] =
2426   {
2427     { &custom_key.left,  "Move Left"  },
2428     { &custom_key.right, "Move Right" },
2429     { &custom_key.up,    "Move Up"    },
2430     { &custom_key.down,  "Move Down"  },
2431     { &custom_key.snap,  "Snap Field" },
2432     { &custom_key.bomb,  "Place Bomb" }
2433   };
2434
2435   /* read existing key bindings from player setup */
2436   custom_key = setup.input[player_nr].key;
2437
2438   ClearWindow();
2439   DrawText(mSX + 16, mSY + 16, "Keyboard Input", FONT_TITLE_1);
2440
2441   BackToFront();
2442   InitAnimation();
2443
2444   step_nr = 0;
2445   DrawText(mSX, mSY + (2+2*step_nr)*32,
2446            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2447   DrawText(mSX, mSY + (2+2*step_nr+1)*32,
2448            "Key:", FONT_INPUT_1_ACTIVE);
2449   DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2450            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
2451
2452   while(!finished)
2453   {
2454     if (PendingEvent())         /* got event */
2455     {
2456       Event event;
2457
2458       NextEvent(&event);
2459
2460       switch(event.type)
2461       {
2462         case EVENT_KEYPRESS:
2463           {
2464             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2465
2466             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2467             {
2468               finished = TRUE;
2469               break;
2470             }
2471
2472             /* all keys configured -- wait for "Escape" or "Return" key */
2473             if (step_nr == 6)
2474               break;
2475
2476             /* press 'Enter' to keep the existing key binding */
2477             if (key == KSYM_Return)
2478               key = *customize_step[step_nr].key;
2479
2480             /* check if key already used */
2481             for (i=0; i<step_nr; i++)
2482               if (*customize_step[i].key == key)
2483                 break;
2484             if (i < step_nr)
2485               break;
2486
2487             /* got new key binding */
2488             *customize_step[step_nr].key = key;
2489             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2490                      "             ", FONT_VALUE_1);
2491             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2492                      getKeyNameFromKey(key), FONT_VALUE_1);
2493             step_nr++;
2494
2495             /* un-highlight last query */
2496             DrawText(mSX, mSY+(2+2*(step_nr-1))*32,
2497                      customize_step[step_nr-1].text, FONT_MENU_1);
2498             DrawText(mSX, mSY+(2+2*(step_nr-1)+1)*32,
2499                      "Key:", FONT_MENU_1);
2500
2501             /* press 'Enter' to leave */
2502             if (step_nr == 6)
2503             {
2504               DrawText(mSX + 16, mSY + 15*32+16,
2505                        "Press Enter", FONT_TITLE_1);
2506               break;
2507             }
2508
2509             /* query next key binding */
2510             DrawText(mSX, mSY+(2+2*step_nr)*32,
2511                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2512             DrawText(mSX, mSY+(2+2*step_nr+1)*32,
2513                      "Key:", FONT_INPUT_1_ACTIVE);
2514             DrawText(mSX + 4*32, mSY+(2+2*step_nr+1)*32,
2515                      getKeyNameFromKey(*customize_step[step_nr].key),
2516                      FONT_VALUE_OLD);
2517           }
2518           break;
2519
2520         case EVENT_KEYRELEASE:
2521           key_joystick_mapping = 0;
2522           break;
2523
2524         default:
2525           HandleOtherEvents(&event);
2526           break;
2527       }
2528     }
2529
2530     BackToFront();
2531     DoAnimation();
2532
2533     /* don't eat all CPU time */
2534     Delay(10);
2535   }
2536
2537   /* write new key bindings back to player setup */
2538   setup.input[player_nr].key = custom_key;
2539
2540   StopAnimation();
2541   DrawSetupScreen_Input();
2542 }
2543
2544 static boolean CalibrateJoystickMain(int player_nr)
2545 {
2546   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2547   int new_joystick_xright = JOYSTICK_XMIDDLE;
2548   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2549   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2550   int new_joystick_xmiddle, new_joystick_ymiddle;
2551
2552   int joystick_fd = joystick.fd[player_nr];
2553   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2554   boolean check[3][3];
2555   int check_remaining = 3 * 3;
2556   int joy_x, joy_y;
2557   int joy_value;
2558   int result = -1;
2559
2560   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2561     return FALSE;
2562
2563   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2564     return FALSE;
2565
2566   ClearWindow();
2567
2568   for(y=0; y < 3; y++)
2569   {
2570     for(x=0; x < 3; x++)
2571     {
2572       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
2573       check[x][y] = FALSE;
2574     }
2575   }
2576
2577   DrawText(mSX,      mSY +  6 * 32, " ROTATE JOYSTICK ", FONT_TITLE_1);
2578   DrawText(mSX,      mSY +  7 * 32, "IN ALL DIRECTIONS", FONT_TITLE_1);
2579   DrawText(mSX + 16, mSY +  9 * 32, "  IF ALL BALLS  ",  FONT_TITLE_1);
2580   DrawText(mSX,      mSY + 10 * 32, "   ARE YELLOW,   ", FONT_TITLE_1);
2581   DrawText(mSX,      mSY + 11 * 32, " CENTER JOYSTICK ", FONT_TITLE_1);
2582   DrawText(mSX,      mSY + 12 * 32, "       AND       ", FONT_TITLE_1);
2583   DrawText(mSX,      mSY + 13 * 32, "PRESS ANY BUTTON!", FONT_TITLE_1);
2584
2585   joy_value = Joystick(player_nr);
2586   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2587   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2588
2589   /* eventually uncalibrated center position (joystick could be uncentered) */
2590   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2591     return FALSE;
2592
2593   new_joystick_xmiddle = joy_x;
2594   new_joystick_ymiddle = joy_y;
2595
2596   DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
2597   BackToFront();
2598
2599   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2600   InitAnimation();
2601
2602   while(result < 0)
2603   {
2604     if (PendingEvent())         /* got event */
2605     {
2606       Event event;
2607
2608       NextEvent(&event);
2609
2610       switch(event.type)
2611       {
2612         case EVENT_KEYPRESS:
2613           switch(GetEventKey((KeyEvent *)&event, TRUE))
2614           {
2615             case KSYM_Return:
2616               if (check_remaining == 0)
2617                 result = 1;
2618               break;
2619
2620             case KSYM_Escape:
2621               result = 0;
2622               break;
2623
2624             default:
2625               break;
2626           }
2627           break;
2628
2629         case EVENT_KEYRELEASE:
2630           key_joystick_mapping = 0;
2631           break;
2632
2633         default:
2634           HandleOtherEvents(&event);
2635           break;
2636       }
2637     }
2638
2639     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2640       return FALSE;
2641
2642     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2643     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2644     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2645     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2646
2647     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2648     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2649     setup.input[player_nr].joy.xright = new_joystick_xright;
2650     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2651     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2652     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2653
2654     CheckJoystickData();
2655
2656     joy_value = Joystick(player_nr);
2657
2658     if (joy_value & JOY_BUTTON && check_remaining == 0)
2659       result = 1;
2660
2661     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2662     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2663
2664     if (x != last_x || y != last_y)
2665     {
2666       DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_YELLOW, 0);
2667       DrawGraphic(xpos + x,      ypos + y,      IMG_MENU_CALIBRATE_RED,    0);
2668
2669       last_x = x;
2670       last_y = y;
2671
2672       if (check_remaining > 0 && !check[x+1][y+1])
2673       {
2674         check[x+1][y+1] = TRUE;
2675         check_remaining--;
2676       }
2677
2678 #if 0
2679 #ifdef DEBUG
2680       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2681              setup.input[player_nr].joy.xleft,
2682              setup.input[player_nr].joy.xmiddle,
2683              setup.input[player_nr].joy.xright);
2684       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2685              setup.input[player_nr].joy.yupper,
2686              setup.input[player_nr].joy.ymiddle,
2687              setup.input[player_nr].joy.ylower);
2688 #endif
2689 #endif
2690
2691     }
2692
2693     BackToFront();
2694     DoAnimation();
2695
2696     /* don't eat all CPU time */
2697     Delay(10);
2698   }
2699
2700   /* calibrated center position (joystick should now be centered) */
2701   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2702     return FALSE;
2703
2704   new_joystick_xmiddle = joy_x;
2705   new_joystick_ymiddle = joy_y;
2706
2707   StopAnimation();
2708
2709   DrawSetupScreen_Input();
2710
2711   /* wait until the last pressed button was released */
2712   while (Joystick(player_nr) & JOY_BUTTON)
2713   {
2714     if (PendingEvent())         /* got event */
2715     {
2716       Event event;
2717
2718       NextEvent(&event);
2719       HandleOtherEvents(&event);
2720
2721       Delay(10);
2722     }
2723   }
2724
2725   return TRUE;
2726 }
2727
2728 void CalibrateJoystick(int player_nr)
2729 {
2730   if (!CalibrateJoystickMain(player_nr))
2731   {
2732     ClearWindow();
2733
2734     DrawText(mSX + 16, mSY + 6*32, "  JOYSTICK NOT  ",  FONT_TITLE_1);
2735     DrawText(mSX,      mSY + 7*32, "    AVAILABLE    ", FONT_TITLE_1);
2736     BackToFront();
2737     Delay(2000);        /* show error message for two seconds */
2738   }
2739 }
2740
2741 void DrawSetupScreen()
2742 {
2743   DeactivateJoystick();
2744
2745   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
2746
2747   if (setup_mode == SETUP_MODE_INPUT)
2748     DrawSetupScreen_Input();
2749   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2750     DrawChooseTree(&artwork.gfx_current);
2751   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2752     DrawChooseTree(&artwork.snd_current);
2753   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2754     DrawChooseTree(&artwork.mus_current);
2755   else
2756     DrawSetupScreen_Generic();
2757 }
2758
2759 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2760 {
2761   if (setup_mode == SETUP_MODE_INPUT)
2762     HandleSetupScreen_Input(mx, my, dx, dy, button);
2763   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2764     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2765   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2766     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2767   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2768     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2769   else
2770     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2771 }
2772
2773 void HandleGameActions()
2774 {
2775   if (game_status != GAME_MODE_PLAYING)
2776     return;
2777
2778   if (local_player->LevelSolved)
2779     GameWon();
2780
2781   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2782     TapeStop();
2783
2784   GameActions();
2785
2786   BackToFront();
2787
2788 #if 1
2789   if (tape.auto_play && !tape.playing)
2790     AutoPlayTape();     /* continue automatically playing next tape */
2791 #endif
2792 }
2793
2794 /* ---------- new screen button stuff -------------------------------------- */
2795
2796 /* graphic position and size values for buttons and scrollbars */
2797 #define SC_SCROLLBUTTON_XSIZE           TILEX
2798 #define SC_SCROLLBUTTON_YSIZE           TILEY
2799
2800 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2801 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
2802                                          SC_SCROLLBUTTON_YSIZE)
2803 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2804 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
2805 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2806 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
2807                                          SC_SCROLLBUTTON_YSIZE)
2808 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2809 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
2810                                          SC_SCROLL_VERTICAL_YSIZE)
2811
2812 #define SC_BORDER_SIZE                  14
2813
2814 static struct
2815 {
2816   int gfx_unpressed, gfx_pressed;
2817   int x, y;
2818   int gadget_id;
2819   char *infotext;
2820 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2821 {
2822   {
2823     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
2824     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2825     SCREEN_CTRL_ID_SCROLL_UP,
2826     "scroll up"
2827   },
2828   {
2829     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
2830     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2831     SCREEN_CTRL_ID_SCROLL_DOWN,
2832     "scroll down"
2833   }
2834 };
2835
2836 static struct
2837 {
2838 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2839   Bitmap **gfx_unpressed, **gfx_pressed;
2840 #else
2841   int gfx_unpressed, gfx_pressed;
2842 #endif
2843   int x, y;
2844   int width, height;
2845   int type;
2846   int gadget_id;
2847   char *infotext;
2848 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2849 {
2850   {
2851 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2852     &scrollbar_bitmap[0], &scrollbar_bitmap[1],
2853 #else
2854     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
2855 #endif
2856     SC_SCROLL_VERTICAL_XPOS, SC_SCROLL_VERTICAL_YPOS,
2857     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2858     GD_TYPE_SCROLLBAR_VERTICAL,
2859     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2860     "scroll level series vertically"
2861   }
2862 };
2863
2864 static void CreateScreenScrollbuttons()
2865 {
2866   struct GadgetInfo *gi;
2867   unsigned long event_mask;
2868   int i;
2869
2870   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2871   {
2872     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2873     int gfx_unpressed, gfx_pressed;
2874     int x, y, width, height;
2875     int gd_x1, gd_x2, gd_y1, gd_y2;
2876     int id = scrollbutton_info[i].gadget_id;
2877
2878     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2879
2880     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
2881     y = mSY + scrollbutton_info[i].y;
2882     width = SC_SCROLLBUTTON_XSIZE;
2883     height = SC_SCROLLBUTTON_YSIZE;
2884
2885     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
2886       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
2887                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
2888
2889     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2890     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2891     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2892     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2893     gd_x1 = graphic_info[gfx_unpressed].src_x;
2894     gd_y1 = graphic_info[gfx_unpressed].src_y;
2895     gd_x2 = graphic_info[gfx_pressed].src_x;
2896     gd_y2 = graphic_info[gfx_pressed].src_y;
2897
2898     gi = CreateGadget(GDI_CUSTOM_ID, id,
2899                       GDI_CUSTOM_TYPE_ID, i,
2900                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2901                       GDI_X, x,
2902                       GDI_Y, y,
2903                       GDI_WIDTH, width,
2904                       GDI_HEIGHT, height,
2905                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2906                       GDI_STATE, GD_BUTTON_UNPRESSED,
2907                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2908                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2909                       GDI_EVENT_MASK, event_mask,
2910                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2911                       GDI_END);
2912
2913     if (gi == NULL)
2914       Error(ERR_EXIT, "cannot create gadget");
2915
2916     screen_gadget[id] = gi;
2917   }
2918 }
2919
2920 static void CreateScreenScrollbars()
2921 {
2922   int i;
2923
2924   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2925   {
2926     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2927 #if !defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2928     int gfx_unpressed, gfx_pressed;
2929 #endif
2930     int x, y, width, height;
2931     int gd_x1, gd_x2, gd_y1, gd_y2;
2932     struct GadgetInfo *gi;
2933     int items_max, items_visible, item_position;
2934     unsigned long event_mask;
2935     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
2936     int id = scrollbar_info[i].gadget_id;
2937
2938     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2939
2940     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
2941     y = mSY + scrollbar_info[i].y;
2942     width  = scrollbar_info[i].width;
2943     height = scrollbar_info[i].height;
2944
2945     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
2946       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
2947
2948     items_max = num_page_entries;
2949     items_visible = num_page_entries;
2950     item_position = 0;
2951
2952 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2953     gd_bitmap_unpressed = *scrollbar_info[i].gfx_unpressed;
2954     gd_bitmap_pressed   = *scrollbar_info[i].gfx_pressed;
2955     gd_x1 = 0;
2956     gd_y1 = 0;
2957     gd_x2 = 0;
2958     gd_y2 = 0;
2959 #else
2960     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
2961     gfx_pressed   = scrollbar_info[i].gfx_pressed;
2962     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2963     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2964     gd_x1 = graphic_info[gfx_unpressed].src_x;
2965     gd_y1 = graphic_info[gfx_unpressed].src_y;
2966     gd_x2 = graphic_info[gfx_pressed].src_x;
2967     gd_y2 = graphic_info[gfx_pressed].src_y;
2968 #endif
2969
2970     gi = CreateGadget(GDI_CUSTOM_ID, id,
2971                       GDI_CUSTOM_TYPE_ID, i,
2972                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2973                       GDI_X, x,
2974                       GDI_Y, y,
2975                       GDI_WIDTH, width,
2976                       GDI_HEIGHT, height,
2977                       GDI_TYPE, scrollbar_info[i].type,
2978                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2979                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2980                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2981                       GDI_STATE, GD_BUTTON_UNPRESSED,
2982                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2983                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2984                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
2985                       GDI_EVENT_MASK, event_mask,
2986                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2987                       GDI_END);
2988
2989     if (gi == NULL)
2990       Error(ERR_EXIT, "cannot create gadget");
2991
2992     screen_gadget[id] = gi;
2993   }
2994 }
2995
2996 void CreateScreenGadgets()
2997 {
2998   int last_game_status = game_status;   /* save current game status */
2999
3000 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3001   int i;
3002
3003   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3004   {
3005     scrollbar_bitmap[i] = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
3006
3007     /* copy pointers to clip mask and GC */
3008     scrollbar_bitmap[i]->clip_mask =
3009       graphic_info[IMG_MENU_SCROLLBAR + i].clip_mask;
3010     scrollbar_bitmap[i]->stored_clip_gc =
3011       graphic_info[IMG_MENU_SCROLLBAR + i].clip_gc;
3012
3013     BlitBitmap(graphic_info[IMG_MENU_SCROLLBAR + i].bitmap,
3014                scrollbar_bitmap[i],
3015                graphic_info[IMG_MENU_SCROLLBAR + i].src_x,
3016                graphic_info[IMG_MENU_SCROLLBAR + i].src_y,
3017                TILEX, TILEY, 0, 0);
3018   }
3019 #endif
3020
3021   /* force LEVELS draw offset for scrollbar / scrollbutton gadgets */
3022   game_status = GAME_MODE_LEVELS;
3023
3024   CreateScreenScrollbuttons();
3025   CreateScreenScrollbars();
3026
3027   game_status = last_game_status;       /* restore current game status */
3028 }
3029
3030 void FreeScreenGadgets()
3031 {
3032   int i;
3033
3034 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3035   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3036   {
3037     /* prevent freeing clip mask and GC twice */
3038     scrollbar_bitmap[i]->clip_mask = None;
3039     scrollbar_bitmap[i]->stored_clip_gc = None;
3040
3041     FreeBitmap(scrollbar_bitmap[i]);
3042   }
3043 #endif
3044
3045   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3046     FreeGadget(screen_gadget[i]);
3047 }
3048
3049 void MapChooseTreeGadgets(TreeInfo *ti)
3050 {
3051   int num_entries = numTreeInfoInGroup(ti);
3052   int i;
3053
3054   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3055     return;
3056
3057   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3058     MapGadget(screen_gadget[i]);
3059 }
3060
3061 void UnmapChooseTreeGadgets()
3062 {
3063   int i;
3064
3065   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3066     UnmapGadget(screen_gadget[i]);
3067 }
3068
3069 static void HandleScreenGadgets(struct GadgetInfo *gi)
3070 {
3071   int id = gi->custom_id;
3072
3073   if (game_status != GAME_MODE_LEVELS && game_status != GAME_MODE_SETUP)
3074     return;
3075
3076   switch (id)
3077   {
3078     case SCREEN_CTRL_ID_SCROLL_UP:
3079       if (game_status == GAME_MODE_LEVELS)
3080         HandleChooseLevel(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3081       else if (game_status == GAME_MODE_SETUP)
3082         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3083       break;
3084
3085     case SCREEN_CTRL_ID_SCROLL_DOWN:
3086       if (game_status == GAME_MODE_LEVELS)
3087         HandleChooseLevel(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3088       else if (game_status == GAME_MODE_SETUP)
3089         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3090       break;
3091
3092     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
3093       if (game_status == GAME_MODE_LEVELS)
3094         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3095       else if (game_status == GAME_MODE_SETUP)
3096         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3097       break;
3098
3099     default:
3100       break;
3101   }
3102 }