src/screens.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * screens.c                                                *
  12 ***********************************************************/
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "screens.h"
  17 #include "events.h"
  18 #include "game.h"
  19 #include "tools.h"
  20 #include "editor.h"
  21 #include "files.h"
  22 #include "tape.h"
  23 #include "cartoons.h"
  24 #include "network.h"
  25 #include "init.h"
  26
  27 /* screens in the setup menu */
  28 #define SETUP_MODE_MAIN                 0
  29 #define SETUP_MODE_GAME                 1
  30 #define SETUP_MODE_EDITOR               2
  31 #define SETUP_MODE_INPUT                3
  32 #define SETUP_MODE_SHORTCUT             4
  33 #define SETUP_MODE_GRAPHICS             5
  34 #define SETUP_MODE_SOUND                6
  35 #define SETUP_MODE_ARTWORK              7
  36 #define SETUP_MODE_CHOOSE_GRAPHICS      8
  37 #define SETUP_MODE_CHOOSE_SOUNDS        9
  38 #define SETUP_MODE_CHOOSE_MUSIC         10
  39
  40 #define MAX_SETUP_MODES                 11
  41
  42 /* for input setup functions */
  43 #define SETUPINPUT_SCREEN_POS_START     0
  44 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  45 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  46 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  47
  48 /* for various menu stuff  */
  49 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - 2)
  50 #define MENU_SCREEN_START_YPOS          2
  51 #define MENU_SCREEN_VALUE_XPOS          14
  52
  53 /* buttons and scrollbars identifiers */
  54 #define SCREEN_CTRL_ID_SCROLL_UP        0
  55 #define SCREEN_CTRL_ID_SCROLL_DOWN      1
  56 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  2
  57
  58 #define NUM_SCREEN_SCROLLBUTTONS        2
  59 #define NUM_SCREEN_SCROLLBARS           1
  60 #define NUM_SCREEN_GADGETS              3
  61
  62 /* forward declarations of internal functions */
  63 static void HandleScreenGadgets(struct GadgetInfo *);
  64 static void HandleSetupScreen_Generic(int, int, int, int, int);
  65 static void HandleSetupScreen_Input(int, int, int, int, int);
  66 static void CustomizeKeyboard(int);
  67 static void CalibrateJoystick(int);
  68 static void execSetupArtwork(void);
  69 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
  70
  71 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
  72 static int setup_mode = SETUP_MODE_MAIN;
  73
  74 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
  75 static Bitmap *scrollbar_bitmap[4];
  76 #endif
  77
  78
  79 static void drawCursorExt(int xpos, int ypos, int color, int graphic)
  80 {
  81   static int cursor_array[SCR_FIELDY];
  82
  83   if (xpos == 0)
  84   {
  85     if (graphic != 0)
  86       cursor_array[ypos] = graphic;
  87     else
  88       graphic = cursor_array[ypos];
  89   }
  90
  91   if (color == FC_RED)
  92     graphic = (graphic == IMG_ARROW_BLUE_LEFT  ? IMG_ARROW_RED_LEFT  :
  93                graphic == IMG_ARROW_BLUE_RIGHT ? IMG_ARROW_RED_RIGHT :
  94                IMG_BALL_RED);
  95
  96   ypos += MENU_SCREEN_START_YPOS;
  97
  98   DrawBackground(SX + xpos * 32, SY + ypos * 32, TILEX, TILEY);
  99   DrawGraphicThruMask(xpos, ypos, graphic, 0);
 100 }
 101
 102 static void initCursor(int ypos, int graphic)
 103 {
 104   drawCursorExt(0, ypos, FC_BLUE, graphic);
 105 }
 106
 107 static void drawCursor(int ypos, int color)
 108 {
 109   drawCursorExt(0, ypos, color, 0);
 110 }
 111
 112 static void drawCursorXY(int xpos, int ypos, int graphic)
 113 {
 114   drawCursorExt(xpos, ypos, -1, graphic);
 115 }
 116
 117 static void PlaySound_Menu_Start(int sound)
 118 {
 119   if (sound_info[sound].loop)
 120     PlaySoundLoop(sound);
 121   else
 122     PlaySound(sound);
 123 }
 124
 125 static void PlaySound_Menu_Continue(int sound)
 126 {
 127   if (sound_info[sound].loop)
 128     PlaySoundLoop(sound);
 129 }
 130
 131 void DrawTextStatic(int x, int y, char *text, int font_size, int font_type)
 132 {
 133   if (game_status == MAINMENU && gfx.menu_main_hide_static_text)
 134     return;
 135
 136   DrawText(x, y, text, font_size, font_type);
 137 }
 138
 139 void DrawHeadline()
 140 {
 141   int x1 = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING)   * FONT1_XSIZE) / 2;
 142   int x2 = SX + (SXSIZE - strlen(WINDOW_SUBTITLE_STRING) * FONT2_XSIZE) / 2;
 143
 144   DrawTextStatic(x1, SY + 8,  PROGRAM_TITLE_STRING,   FS_BIG,   FC_YELLOW);
 145   DrawTextStatic(x2, SY + 46, WINDOW_SUBTITLE_STRING, FS_SMALL, FC_RED);
 146 }
 147
 148 static void ToggleFullscreenIfNeeded()
 149 {
 150   if (setup.fullscreen != video.fullscreen_enabled)
 151   {
 152     /* save old door content */
 153     BlitBitmap(backbuffer, bitmap_db_door,
 154                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 155
 156     /* toggle fullscreen */
 157     ChangeVideoModeIfNeeded(setup.fullscreen);
 158     setup.fullscreen = video.fullscreen_enabled;
 159
 160     /* redraw background to newly created backbuffer */
 161     BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
 162                0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 163
 164     /* restore old door content */
 165     BlitBitmap(bitmap_db_door, backbuffer,
 166                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 167
 168     redraw_mask = REDRAW_ALL;
 169   }
 170 }
 171
 172 void DrawMainMenu()
 173 {
 174   static LevelDirTree *leveldir_last_valid = NULL;
 175   int i;
 176   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 177
 178   UnmapAllGadgets();
 179   FadeSounds();
 180
 181   KeyboardAutoRepeatOn();
 182   ActivateJoystick();
 183
 184   SetDrawDeactivationMask(REDRAW_NONE);
 185   SetDrawBackgroundMask(REDRAW_FIELD);
 186
 187   audio.sound_deactivated = FALSE;
 188
 189   /* needed if last screen was the playing screen, invoked from level editor */
 190   if (level_editor_test_game)
 191   {
 192     game_status = LEVELED;
 193     DrawLevelEd();
 194     return;
 195   }
 196
 197   /* needed if last screen was the editor screen */
 198   UndrawSpecialEditorDoor();
 199
 200   /* needed if last screen was the setup screen and fullscreen state changed */
 201   ToggleFullscreenIfNeeded();
 202
 203   /* needed if last screen (level choice) changed graphics, sounds or music */
 204   ReloadCustomArtwork();
 205
 206 #ifdef TARGET_SDL
 207   SetDrawtoField(DRAW_BACKBUFFER);
 208 #endif
 209
 210   /* map gadgets for main menu screen */
 211   MapTapeButtons();
 212
 213   /* leveldir_current may be invalid (level group, parent link) */
 214   if (!validLevelSeries(leveldir_current))
 215     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 216
 217   /* store valid level series information */
 218   leveldir_last_valid = leveldir_current;
 219
 220   /* level_nr may have been set to value over handicap with level editor */
 221   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 222     level_nr = leveldir_current->handicap_level;
 223
 224   GetPlayerConfig();
 225   LoadLevel(level_nr);
 226
 227   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
 228   ClearWindow();
 229
 230   DrawHeadline();
 231
 232   DrawTextStatic(SX + 32,    SY + 2*32, name_text, FS_BIG, FC_GREEN);
 233   DrawText(SX + 6*32,  SY + 2*32, setup.player_name, FS_BIG, FC_RED);
 234   DrawTextStatic(SX + 32,    SY + 3*32, "Level:", FS_BIG, FC_GREEN);
 235   DrawText(SX + 11*32, SY + 3*32, int2str(level_nr,3), FS_BIG,
 236            (leveldir_current->readonly ? FC_RED : FC_YELLOW));
 237   DrawTextStatic(SX + 32,    SY + 4*32, "Hall Of Fame", FS_BIG, FC_GREEN);
 238   DrawTextStatic(SX + 32,    SY + 5*32, "Level Creator", FS_BIG, FC_GREEN);
 239   DrawTextStatic(SY + 32,    SY + 6*32, "Info Screen", FS_BIG, FC_GREEN);
 240   DrawTextStatic(SX + 32,    SY + 7*32, "Start Game", FS_BIG, FC_GREEN);
 241   DrawTextStatic(SX + 32,    SY + 8*32, "Setup", FS_BIG, FC_GREEN);
 242   DrawTextStatic(SX + 32,    SY + 9*32, "Quit", FS_BIG, FC_GREEN);
 243
 244   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 245
 246   DrawTextF(7*32 + 6, 3*32 + 9, FC_RED, "%d-%d",
 247             leveldir_current->first_level,
 248             leveldir_current->last_level);
 249
 250   if (leveldir_current->readonly)
 251   {
 252     DrawTextF(15*32 + 6, 3*32 + 9 - 7, FC_RED, "READ");
 253     DrawTextF(15*32 + 6, 3*32 + 9 + 7, FC_RED, "ONLY");
 254   }
 255
 256   for(i=0; i<8; i++)
 257     initCursor(i, (i == 1 || i == 6 ? IMG_ARROW_BLUE_RIGHT : IMG_BALL_BLUE));
 258
 259 #if 0
 260   DrawGraphic(10, 3, IMG_ARROW_BLUE_LEFT, 0);
 261   DrawGraphic(14, 3, IMG_ARROW_BLUE_RIGHT, 0);
 262 #else
 263   drawCursorXY(10, 1, IMG_ARROW_BLUE_LEFT);
 264   drawCursorXY(14, 1, IMG_ARROW_BLUE_RIGHT);
 265 #endif
 266
 267   DrawTextStatic(SX + 56, SY + 326, "A Game by Artsoft Entertainment",
 268                  FS_SMALL, FC_RED);
 269
 270   if (leveldir_current->name)
 271   {
 272     int len = strlen(leveldir_current->name);
 273     int lxpos = SX + (SXSIZE - len * FONT4_XSIZE) / 2;
 274     int lypos = SY + 352;
 275
 276     DrawText(lxpos, lypos, leveldir_current->name, FS_SMALL, FC_SPECIAL2);
 277   }
 278
 279   FadeToFront();
 280   InitAnimation();
 281   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 282
 283   TapeStop();
 284   if (TAPE_IS_EMPTY(tape))
 285     LoadTape(level_nr);
 286   DrawCompleteVideoDisplay();
 287
 288   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 289
 290 #if 0
 291   ClearEventQueue();
 292 #endif
 293 }
 294
 295 static void gotoTopLevelDir()
 296 {
 297   /* move upwards to top level directory */
 298   while (leveldir_current->node_parent)
 299   {
 300     /* write a "path" into level tree for easy navigation to last level */
 301     if (leveldir_current->node_parent->node_group->cl_first == -1)
 302     {
 303       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 304       int leveldir_pos = posTreeInfo(leveldir_current);
 305       int num_page_entries;
 306       int cl_first, cl_cursor;
 307
 308       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 309         num_page_entries = num_leveldirs;
 310       else
 311         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 312
 313       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 314       cl_cursor = leveldir_pos - cl_first;
 315
 316       leveldir_current->node_parent->node_group->cl_first = cl_first;
 317       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 318     }
 319
 320     leveldir_current = leveldir_current->node_parent;
 321   }
 322 }
 323
 324 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 325 {
 326   static int choice = 0;
 327   int x = 0;
 328   int y = choice;
 329
 330   if (button == MB_MENU_INITIALIZE)
 331   {
 332     drawCursor(choice, FC_RED);
 333     return;
 334   }
 335
 336   if (mx || my)         /* mouse input */
 337   {
 338     x = (mx - SX) / 32;
 339     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
 340   }
 341   else if (dx || dy)    /* keyboard input */
 342   {
 343     if (dx && choice == 1)
 344       x = (dx < 0 ? 10 : 14);
 345     else if (dy)
 346       y = choice + dy;
 347   }
 348
 349   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 350                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 351       button)
 352   {
 353     static unsigned long level_delay = 0;
 354     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 355     int new_level_nr, old_level_nr = level_nr;
 356     int font_color = (leveldir_current->readonly ? FC_RED : FC_YELLOW);
 357
 358     new_level_nr = level_nr + (x == 10 ? -step : +step);
 359     if (new_level_nr < leveldir_current->first_level)
 360       new_level_nr = leveldir_current->first_level;
 361     if (new_level_nr > leveldir_current->last_level)
 362       new_level_nr = leveldir_current->last_level;
 363
 364     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 365       new_level_nr = leveldir_current->handicap_level;
 366
 367     if (old_level_nr == new_level_nr ||
 368         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 369       goto out;
 370
 371     level_nr = new_level_nr;
 372
 373     DrawText(SX + 11 * 32, SY + 3 * 32, int2str(level_nr, 3),
 374              FS_BIG, font_color);
 375
 376     LoadLevel(level_nr);
 377     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 378
 379     TapeErase();
 380     LoadTape(level_nr);
 381     DrawCompleteVideoDisplay();
 382
 383     /* needed because DrawMicroLevel() takes some time */
 384     BackToFront();
 385     SyncDisplay();
 386     DelayReached(&level_delay, 0);      /* reset delay counter */
 387   }
 388   else if (x == 0 && y >= 0 && y <= 7)
 389   {
 390     if (button)
 391     {
 392       if (y != choice)
 393       {
 394         drawCursor(y, FC_RED);
 395         drawCursor(choice, FC_BLUE);
 396         choice = y;
 397       }
 398     }
 399     else
 400     {
 401       if (y == 0)
 402       {
 403         game_status = TYPENAME;
 404         HandleTypeName(strlen(setup.player_name), 0);
 405       }
 406       else if (y == 1)
 407       {
 408         if (leveldir_first)
 409         {
 410           game_status = CHOOSELEVEL;
 411           SaveLevelSetup_LastSeries();
 412           SaveLevelSetup_SeriesInfo();
 413
 414           gotoTopLevelDir();
 415
 416           DrawChooseLevel();
 417         }
 418       }
 419       else if (y == 2)
 420       {
 421         game_status = HALLOFFAME;
 422         DrawHallOfFame(-1);
 423       }
 424       else if (y == 3)
 425       {
 426         if (leveldir_current->readonly &&
 427             strcmp(setup.player_name, "Artsoft") != 0)
 428           Request("This level is read only !", REQ_CONFIRM);
 429         game_status = LEVELED;
 430         DrawLevelEd();
 431       }
 432       else if (y == 4)
 433       {
 434         game_status = HELPSCREEN;
 435         DrawHelpScreen();
 436       }
 437       else if (y == 5)
 438       {
 439         if (setup.autorecord)
 440           TapeStartRecording();
 441
 442 #if defined(PLATFORM_UNIX)
 443         if (options.network)
 444           SendToServer_StartPlaying();
 445         else
 446 #endif
 447         {
 448           game_status = PLAYING;
 449           StopAnimation();
 450           InitGame();
 451         }
 452       }
 453       else if (y == 6)
 454       {
 455         game_status = SETUP;
 456         setup_mode = SETUP_MODE_MAIN;
 457         DrawSetupScreen();
 458       }
 459       else if (y == 7)
 460       {
 461         SaveLevelSetup_LastSeries();
 462         SaveLevelSetup_SeriesInfo();
 463         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 464           game_status = EXITGAME;
 465       }
 466     }
 467   }
 468
 469   BackToFront();
 470
 471   out:
 472
 473   if (game_status == MAINMENU)
 474   {
 475     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 476     DoAnimation();
 477   }
 478 }
 479
 480
 481 #define MAX_HELPSCREEN_ELS      10
 482 #define HA_NEXT                 -999
 483 #define HA_END                  -1000
 484
 485 static long helpscreen_state;
 486 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 487 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 488 #if 0
 489 static int OLD_helpscreen_action[] =
 490 {
 491   GFX_SPIELER1_DOWN,4,2,
 492   GFX_SPIELER1_UP,4,2,
 493   GFX_SPIELER1_LEFT,4,2,
 494   GFX_SPIELER1_RIGHT,4,2,
 495   GFX_SPIELER1_PUSH_LEFT,4,2,
 496   GFX_SPIELER1_PUSH_RIGHT,4,2,                                  HA_NEXT,
 497   GFX_ERDREICH,1,100,                                           HA_NEXT,
 498   GFX_LEERRAUM,1,100,                                           HA_NEXT,
 499   GFX_MORAST_LEER,1,100,                                        HA_NEXT,
 500   GFX_BETON,1,100,                                              HA_NEXT,
 501   GFX_MAUERWERK,1,100,                                          HA_NEXT,
 502   GFX_MAUER_L1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 503   GFX_MAUER_R1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 504   GFX_MAUER_UP,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 505   GFX_MAUER_DOWN,3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,    HA_NEXT,
 506   GFX_UNSICHTBAR,1,100,                                         HA_NEXT,
 507   GFX_FELSBODEN,1,100,                                          HA_NEXT,
 508   GFX_CHAR_A,30,4, GFX_CHAR_AUSRUF,32,4,                        HA_NEXT,
 509   GFX_EDELSTEIN,2,5,                                            HA_NEXT,
 510   GFX_DIAMANT,2,5,                                              HA_NEXT,
 511   GFX_EDELSTEIN_BD,2,5,                                         HA_NEXT,
 512   GFX_EDELSTEIN_GELB,2,5, GFX_EDELSTEIN_ROT,2,5,
 513   GFX_EDELSTEIN_LILA,2,5,                                       HA_NEXT,
 514   GFX_FELSBROCKEN,4,5,                                          HA_NEXT,
 515   GFX_BOMBE,1,50, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,         HA_NEXT,
 516   GFX_KOKOSNUSS,1,50, GFX_CRACKINGNUT,3,1, GFX_EDELSTEIN,1,10,  HA_NEXT,
 517   GFX_ERZ_EDEL,1,50, GFX_EXPLOSION,8,1, GFX_EDELSTEIN,1,10,     HA_NEXT,
 518   GFX_ERZ_DIAM,1,50, GFX_EXPLOSION,8,1, GFX_DIAMANT,1,10,       HA_NEXT,
 519   GFX_ERZ_EDEL_BD,1,50, GFX_EXPLOSION,8,1,GFX_EDELSTEIN_BD,1,10,HA_NEXT,
 520   GFX_ERZ_EDEL_GELB,1,50, GFX_EXPLOSION,8,1,
 521   GFX_EDELSTEIN_GELB,1,10, GFX_ERZ_EDEL_ROT,1,50,
 522   GFX_EXPLOSION,8,1, GFX_EDELSTEIN_ROT,1,10,
 523   GFX_ERZ_EDEL_LILA,1,50, GFX_EXPLOSION,8,1,
 524   GFX_EDELSTEIN_LILA,1,10,                                      HA_NEXT,
 525   GFX_GEBLUBBER,4,4,                                            HA_NEXT,
 526   GFX_SCHLUESSEL1,4,25,                                         HA_NEXT,
 527   GFX_PFORTE1,4,25,                                             HA_NEXT,
 528   GFX_PFORTE1X,4,25,                                            HA_NEXT,
 529   GFX_DYNAMIT_AUS,1,100,                                        HA_NEXT,
 530   GFX_DYNAMIT,7,6, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,        HA_NEXT,
 531   GFX_DYNABOMB+0,4,3, GFX_DYNABOMB+3,1,3, GFX_DYNABOMB+2,1,3,
 532   GFX_DYNABOMB+1,1,3, GFX_DYNABOMB+0,1,3, GFX_EXPLOSION,8,1,
 533   GFX_LEERRAUM,1,10,                                            HA_NEXT,
 534   GFX_DYNABOMB_NR,1,100,                                        HA_NEXT,
 535   GFX_DYNABOMB_SZ,1,100,                                        HA_NEXT,
 536   GFX_FLIEGER+4,1,3, GFX_FLIEGER+0,1,3, GFX_FLIEGER+4,1,3,
 537   GFX_FLIEGER+5,1,3, GFX_FLIEGER+1,1,3, GFX_FLIEGER+5,1,3,
 538   GFX_FLIEGER+6,1,3, GFX_FLIEGER+2,1,3, GFX_FLIEGER+6,1,3,
 539   GFX_FLIEGER+7,1,3, GFX_FLIEGER+3,1,3, GFX_FLIEGER+7,1,3,      HA_NEXT,
 540   GFX_KAEFER+4,1,1, GFX_KAEFER+0,1,1, GFX_KAEFER+4,1,1,
 541   GFX_KAEFER+5,1,1, GFX_KAEFER+1,1,1, GFX_KAEFER+5,1,1,
 542   GFX_KAEFER+6,1,1, GFX_KAEFER+2,1,1, GFX_KAEFER+6,1,1,
 543   GFX_KAEFER+7,1,1, GFX_KAEFER+3,1,1, GFX_KAEFER+7,1,1,         HA_NEXT,
 544   GFX_BUTTERFLY,2,2,                                            HA_NEXT,
 545   GFX_FIREFLY,2,2,                                              HA_NEXT,
 546   GFX_PACMAN+0,1,3, GFX_PACMAN+4,1,2, GFX_PACMAN+0,1,3,
 547   GFX_PACMAN+1,1,3, GFX_PACMAN+5,1,2, GFX_PACMAN+1,1,3,
 548   GFX_PACMAN+2,1,3, GFX_PACMAN+6,1,2, GFX_PACMAN+2,1,3,
 549   GFX_PACMAN+3,1,3, GFX_PACMAN+7,1,2, GFX_PACMAN+3,1,3,         HA_NEXT,
 550   GFX_MAMPFER+0,4,1, GFX_MAMPFER+3,1,1, GFX_MAMPFER+2,1,1,
 551   GFX_MAMPFER+1,1,1, GFX_MAMPFER+0,1,1,                         HA_NEXT,
 552   GFX_MAMPFER2+0,4,1, GFX_MAMPFER2+3,1,1, GFX_MAMPFER2+2,1,1,
 553   GFX_MAMPFER2+1,1,1, GFX_MAMPFER2+0,1,1,                       HA_NEXT,
 554   GFX_ROBOT+0,4,1, GFX_ROBOT+3,1,1, GFX_ROBOT+2,1,1,
 555   GFX_ROBOT+1,1,1, GFX_ROBOT+0,1,1,                             HA_NEXT,
 556   GFX_MOLE_DOWN,4,2,
 557   GFX_MOLE_UP,4,2,
 558   GFX_MOLE_LEFT,4,2,
 559   GFX_MOLE_RIGHT,4,2,                                           HA_NEXT,
 560   GFX_PINGUIN_DOWN,4,2,
 561   GFX_PINGUIN_UP,4,2,
 562   GFX_PINGUIN_LEFT,4,2,
 563   GFX_PINGUIN_RIGHT,4,2,                                        HA_NEXT,
 564   GFX_SCHWEIN_DOWN,4,2,
 565   GFX_SCHWEIN_UP,4,2,
 566   GFX_SCHWEIN_LEFT,4,2,
 567   GFX_SCHWEIN_RIGHT,4,2,                                        HA_NEXT,
 568   GFX_DRACHE_DOWN,4,2,
 569   GFX_DRACHE_UP,4,2,
 570   GFX_DRACHE_LEFT,4,2,
 571   GFX_DRACHE_RIGHT,4,2,                                         HA_NEXT,
 572   GFX_SONDE_START,8,1,                                          HA_NEXT,
 573   GFX_ABLENK,4,1,                                               HA_NEXT,
 574   GFX_BIRNE_AUS,1,25, GFX_BIRNE_EIN,1,25,                       HA_NEXT,
 575   GFX_ZEIT_VOLL,1,25, GFX_ZEIT_LEER,1,25,                       HA_NEXT,
 576   GFX_TROPFEN,1,25, GFX_AMOEBING,4,1, GFX_AMOEBE_LEBT,1,10,     HA_NEXT,
 577   GFX_AMOEBE_TOT+2,2,50, GFX_AMOEBE_TOT,2,50,                   HA_NEXT,
 578   GFX_AMOEBE_LEBT,4,40,                                         HA_NEXT,
 579   GFX_AMOEBE_LEBT,1,10, GFX_AMOEBING,4,2,                       HA_NEXT,
 580   GFX_AMOEBE_LEBT,1,25, GFX_AMOEBE_TOT,1,25, GFX_EXPLOSION,8,1,
 581   GFX_DIAMANT,1,10,                                             HA_NEXT,
 582   GFX_LIFE,1,100,                                               HA_NEXT,
 583   GFX_LIFE_ASYNC,1,100,                                         HA_NEXT,
 584   GFX_MAGIC_WALL_OFF,4,2,                                       HA_NEXT,
 585   GFX_MAGIC_WALL_BD_OFF,4,2,                                    HA_NEXT,
 586   GFX_AUSGANG_ZU,1,100, GFX_AUSGANG_ACT,4,2,
 587   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 588   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 589   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 590   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 591   GFX_SOKOBAN_OBJEKT,1,100,                                     HA_NEXT,
 592   GFX_SOKOBAN_FELD_LEER,1,100,                                  HA_NEXT,
 593   GFX_SOKOBAN_FELD_VOLL,1,100,                                  HA_NEXT,
 594   GFX_SPEED_PILL,1,100,                                         HA_NEXT,
 595   HA_END
 596 };
 597 #endif
 598
 599 static int helpscreen_action[] =
 600 {
 601   IMG_PLAYER1_MOVING_DOWN,              16,
 602   IMG_PLAYER1_MOVING_UP,                16,
 603   IMG_PLAYER1_MOVING_LEFT,              16,
 604   IMG_PLAYER1_MOVING_RIGHT,             16,
 605   IMG_PLAYER1_PUSHING_LEFT,             16,
 606   IMG_PLAYER1_PUSHING_RIGHT,            16,                     HA_NEXT,
 607
 608   IMG_SAND,                             -1,                     HA_NEXT,
 609
 610   IMG_EMPTY_SPACE,                      -1,                     HA_NEXT,
 611
 612   IMG_QUICKSAND_EMPTY,                  -1,                     HA_NEXT,
 613
 614   IMG_STEELWALL,                        -1,                     HA_NEXT,
 615
 616   IMG_WALL,                             -1,                     HA_NEXT,
 617
 618   IMG_WALL_GROWING_ACTIVE_LEFT,         20,
 619   IMG_WALL,                             50,
 620   IMG_EMPTY_SPACE,                      20,
 621   IMG_WALL_GROWING_ACTIVE_RIGHT,        20,
 622   IMG_WALL,                             50,
 623   IMG_EMPTY_SPACE,                      20,
 624   IMG_WALL_GROWING_ACTIVE_UP,           20,
 625   IMG_WALL,                             50,
 626   IMG_EMPTY_SPACE,                      20,
 627   IMG_WALL_GROWING_ACTIVE_DOWN,         20,
 628   IMG_WALL,                             50,
 629   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 630
 631   IMG_INVISIBLE_WALL,                   -1,                     HA_NEXT,
 632
 633   IMG_WALL_CRUMBLED,                    -1,                     HA_NEXT,
 634
 635   IMG_INFO_FONT_EM_1,                   160,
 636   IMG_INFO_FONT_EM_2,                   160,
 637   IMG_INFO_FONT_EM_3,                   160,
 638   IMG_INFO_FONT_EM_4,                   160,
 639   IMG_INFO_FONT_EM_5,                   40,                     HA_NEXT,
 640
 641   IMG_EMERALD,                          -1,                     HA_NEXT,
 642
 643   IMG_DIAMOND,                          -1,                     HA_NEXT,
 644
 645   IMG_BD_DIAMOND,                       -1,                     HA_NEXT,
 646
 647   IMG_EMERALD_YELLOW,                   50,
 648   IMG_EMERALD_RED,                      50,
 649   IMG_EMERALD_PURPLE,                   50,                     HA_NEXT,
 650
 651   IMG_BD_ROCK,                          -1,                     HA_NEXT,
 652
 653   IMG_BOMB,                             100,
 654   IMG_EXPLOSION,                        16,
 655   IMG_EMPTY_SPACE,                      10,                     HA_NEXT,
 656
 657   IMG_NUT,                              100,
 658   IMG_NUT_CRACKING,                     6,
 659   IMG_EMERALD,                          20,                     HA_NEXT,
 660
 661   IMG_WALL_EMERALD,                     100,
 662   IMG_EXPLOSION,                        16,
 663   IMG_EMERALD,                          20,                     HA_NEXT,
 664
 665   IMG_WALL_DIAMOND,                     100,
 666   IMG_EXPLOSION,                        16,
 667   IMG_DIAMOND,                          20,                     HA_NEXT,
 668
 669   IMG_WALL_BD_DIAMOND,                  100,
 670   IMG_EXPLOSION,                        16,
 671   IMG_BD_DIAMOND,                       20,                     HA_NEXT,
 672
 673   IMG_WALL_EMERALD_YELLOW,              100,
 674   IMG_EXPLOSION,                        16,
 675   IMG_EMERALD_YELLOW,                   20,
 676   IMG_WALL_EMERALD_RED,                 100,
 677   IMG_EXPLOSION,                        16,
 678   IMG_EMERALD_RED,                      20,
 679   IMG_WALL_EMERALD_PURPLE,              100,
 680   IMG_EXPLOSION,                        16,
 681   IMG_EMERALD_PURPLE,                   20,                     HA_NEXT,
 682
 683   IMG_ACID,                             -1,                     HA_NEXT,
 684
 685   IMG_KEY1,                             50,
 686   IMG_KEY2,                             50,
 687   IMG_KEY3,                             50,
 688   IMG_KEY4,                             50,                     HA_NEXT,
 689
 690   IMG_GATE1,                            50,
 691   IMG_GATE2,                            50,
 692   IMG_GATE3,                            50,
 693   IMG_GATE4,                            50,                     HA_NEXT,
 694
 695   IMG_GATE1_GRAY,                       50,
 696   IMG_GATE2_GRAY,                       50,
 697   IMG_GATE3_GRAY,                       50,
 698   IMG_GATE4_GRAY,                       50,                     HA_NEXT,
 699
 700   IMG_DYNAMITE,                         -1,                     HA_NEXT,
 701
 702   IMG_DYNAMITE_ACTIVE,                  96,
 703   IMG_EXPLOSION,                        16,
 704   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 705
 706   IMG_DYNABOMB_ACTIVE,                  100,
 707   IMG_EXPLOSION,                        16,
 708   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 709
 710   IMG_DYNABOMB_NR,                      -1,                     HA_NEXT,
 711
 712   IMG_DYNABOMB_SZ,                      -1,                     HA_NEXT,
 713
 714   IMG_SPACESHIP_RIGHT,                  16,
 715   IMG_SPACESHIP_UP,                     16,
 716   IMG_SPACESHIP_LEFT,                   16,
 717   IMG_SPACESHIP_DOWN,                   16,                     HA_NEXT,
 718
 719   IMG_BUG_RIGHT,                        16,
 720   IMG_BUG_UP,                           16,
 721   IMG_BUG_LEFT,                         16,
 722   IMG_BUG_DOWN,                         16,                     HA_NEXT,
 723
 724   IMG_BD_BUTTERFLY,                     -1,                     HA_NEXT,
 725
 726   IMG_BD_FIREFLY,                       -1,                     HA_NEXT,
 727
 728   IMG_PACMAN_RIGHT,                     16,
 729   IMG_PACMAN_UP,                        16,
 730   IMG_PACMAN_LEFT,                      16,
 731   IMG_PACMAN_DOWN,                      16,                     HA_NEXT,
 732
 733   IMG_YAMYAM,                           -1,                     HA_NEXT,
 734
 735   IMG_DARK_YAMYAM,                      -1,                     HA_NEXT,
 736
 737   IMG_ROBOT,                            -1,                     HA_NEXT,
 738
 739   IMG_MOLE_MOVING_RIGHT,                16,
 740   IMG_MOLE_MOVING_UP,                   16,
 741   IMG_MOLE_MOVING_LEFT,                 16,
 742   IMG_MOLE_MOVING_DOWN,                 16,                     HA_NEXT,
 743
 744   IMG_PENGUIN_MOVING_RIGHT,             16,
 745   IMG_PENGUIN_MOVING_UP,                16,
 746   IMG_PENGUIN_MOVING_LEFT,              16,
 747   IMG_PENGUIN_MOVING_DOWN,              16,                     HA_NEXT,
 748
 749   IMG_PIG_MOVING_RIGHT,                 16,
 750   IMG_PIG_MOVING_UP,                    16,
 751   IMG_PIG_MOVING_LEFT,                  16,
 752   IMG_PIG_MOVING_DOWN,                  16,                     HA_NEXT,
 753
 754   IMG_DRAGON_MOVING_RIGHT,              16,
 755   IMG_DRAGON_MOVING_UP,                 16,
 756   IMG_DRAGON_MOVING_LEFT,               16,
 757   IMG_DRAGON_MOVING_DOWN,               16,                     HA_NEXT,
 758
 759   IMG_SATELLITE,                        -1,                     HA_NEXT,
 760
 761   IMG_ROBOT_WHEEL,                      50,
 762   IMG_ROBOT_WHEEL_ACTIVE,               100,                    HA_NEXT,
 763
 764   IMG_LAMP,                             50,
 765   IMG_LAMP_ACTIVE,                      50,                     HA_NEXT,
 766
 767   IMG_TIME_ORB_FULL,                    50,
 768   IMG_TIME_ORB_EMPTY,                   50,                     HA_NEXT,
 769
 770   IMG_AMOEBA_DROP,                      50,
 771   IMG_AMOEBA_CREATING,                  6,
 772   IMG_AMOEBA_WET,                       20,                     HA_NEXT,
 773
 774   IMG_AMOEBA_DEAD,                      -1,                     HA_NEXT,
 775
 776   IMG_AMOEBA_WET,                       -1,                     HA_NEXT,
 777
 778   IMG_AMOEBA_WET,                       100,
 779   IMG_AMOEBA_CREATING,                  6,                      HA_NEXT,
 780
 781   IMG_AMOEBA_FULL,                      50,
 782   IMG_AMOEBA_DEAD,                      50,
 783   IMG_EXPLOSION,                        16,
 784   IMG_DIAMOND,                          20,                     HA_NEXT,
 785
 786   IMG_GAMEOFLIFE,                       -1,                     HA_NEXT,
 787
 788   IMG_BIOMAZE,                          -1,                     HA_NEXT,
 789
 790   IMG_MAGIC_WALL_ACTIVE,                -1,                     HA_NEXT,
 791
 792   IMG_BD_MAGIC_WALL_ACTIVE,             -1,                     HA_NEXT,
 793
 794   IMG_EXIT_CLOSED,                      200,
 795   IMG_EXIT_OPENING,                     16,
 796   IMG_EXIT_OPEN,                        100,                    HA_NEXT,
 797
 798   IMG_EXIT_OPEN,                        -1,                     HA_NEXT,
 799
 800   IMG_SOKOBAN_OBJECT,                   -1,                     HA_NEXT,
 801
 802   IMG_SOKOBAN_FIELD_EMPTY,              -1,                     HA_NEXT,
 803
 804   IMG_SOKOBAN_FIELD_FULL,               -1,                     HA_NEXT,
 805
 806   IMG_SPEED_PILL,                       -1,                     HA_NEXT,
 807
 808   HA_END
 809 };
 810 static char *helpscreen_eltext[][2] =
 811 {
 812  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 813  {"Normal sand:",                       "You can dig through it"},
 814  {"Empty field:",                       "You can walk through it"},
 815  {"Quicksand: You cannot pass it,",     "but rocks can fall through it"},
 816  {"Massive Wall:",                      "Nothing can go through it"},
 817  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 818  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 819  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 820  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 821  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 822  {"Emerald: You must collect enough of","them to finish a level"},
 823  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 824  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 825  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 826  {"Rock: Smashes several things;",      "Can be moved by the player"},
 827  {"Bomb: You can move it, but be",      "careful when dropping it"},
 828  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 829  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 830  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 831  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 832  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 833  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 834  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 835  {"Door: Can be opened by the key",     "with the same color"},
 836  {"Door: You have to find out the",     "right color of the key for it"},
 837  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 838  {"Dynamite: This one explodes after",  "a few seconds"},
 839  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 840  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 841  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 842  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 843  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 844  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 845  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 846  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 847  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 848  {"Cruncher (BD style):",               "Eats almost everything"},
 849  {"Robot: Tries to kill the player",    ""},
 850  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 851  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 852  {"The Pig: Harmless, but eats all",    "gems it can get"},
 853  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 854  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 855  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 856  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 857  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 858  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 859  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 860  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 861  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 862  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 863  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 864  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 865  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 866  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 867  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 868  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 869  {"Sokoban element: Object which must", "be pushed to an empty field"},
 870  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 871  {"Sokoban element: Field with object", "which can be pushed away"},
 872  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 873 };
 874 static int num_helpscreen_els = sizeof(helpscreen_eltext) / (2*sizeof(char *));
 875
 876 static char *helpscreen_music[][3] =
 877 {
 878   { "Alchemy",                  "Ian Boddy",            "Drive" },
 879   { "The Chase",                "Propaganda",           "A Secret Wish" },
 880   { "Network 23",               "Tangerine Dream",      "Exit" },
 881   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 882   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 883   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 884   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 885 };
 886 static int num_helpscreen_music = 7;
 887 static int helpscreen_musicpos;
 888
 889 #if 0
 890 void OLD_DrawHelpScreenElAction(int start)
 891 {
 892   int i = 0, j = 0;
 893   int frame, graphic;
 894   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 895
 896   while(helpscreen_action[j] != HA_END)
 897   {
 898     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 899       break;
 900     else if (i<start || helpscreen_delay[i-start])
 901     {
 902       if (i>=start && helpscreen_delay[i-start])
 903         helpscreen_delay[i-start]--;
 904
 905       while(helpscreen_action[j] != HA_NEXT)
 906         j++;
 907       j++;
 908       i++;
 909       continue;
 910     }
 911
 912     j += 3*helpscreen_step[i-start];
 913     graphic = helpscreen_action[j++];
 914
 915     if (helpscreen_frame[i-start])
 916     {
 917       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 918       helpscreen_frame[i-start]--;
 919     }
 920     else
 921     {
 922       frame = 0;
 923       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 924     }
 925
 926     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 927
 928     if (helpscreen_action[j] == HA_NEXT)
 929     {
 930       if (!helpscreen_frame[i-start])
 931         helpscreen_step[i-start] = 0;
 932     }
 933     else
 934     {
 935       if (!helpscreen_frame[i-start])
 936         helpscreen_step[i-start]++;
 937       while(helpscreen_action[j] != HA_NEXT)
 938         j++;
 939     }
 940     j++;
 941
 942     DrawOldGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 943     i++;
 944   }
 945
 946   for(i=2;i<16;i++)
 947   {
 948     MarkTileDirty(0,i);
 949     MarkTileDirty(1,i);
 950   }
 951 }
 952 #endif
 953
 954 void DrawHelpScreenElAction(int start)
 955 {
 956   int i = 0, j = 0;
 957   int xstart = SX + 16;
 958   int ystart = SY + 64 + 2 * 32;
 959   int ystep = TILEY + 4;
 960   int graphic;
 961   int frame_count;
 962   int sync_frame;
 963   int frame;
 964
 965   while (helpscreen_action[j] != HA_END)
 966   {
 967     if (i >= start + MAX_HELPSCREEN_ELS || i >= num_helpscreen_els)
 968       break;
 969     else if (i < start)
 970     {
 971       while (helpscreen_action[j] != HA_NEXT)
 972         j++;
 973
 974       j++;
 975       i++;
 976
 977       continue;
 978     }
 979
 980     j += 2 * helpscreen_step[i-start];
 981     graphic = helpscreen_action[j++];
 982     frame_count = helpscreen_action[j++];
 983     if (frame_count == -1)
 984       frame_count = 1000000;
 985
 986     if (helpscreen_frame[i-start] == 0)
 987     {
 988       sync_frame = 0;
 989       helpscreen_frame[i-start] = frame_count - 1;
 990     }
 991     else
 992     {
 993       sync_frame = frame_count - helpscreen_frame[i-start];
 994       helpscreen_frame[i-start]--;
 995     }
 996
 997     if (helpscreen_action[j] == HA_NEXT)
 998     {
 999       if (!helpscreen_frame[i-start])
1000         helpscreen_step[i-start] = 0;
1001     }
1002     else
1003     {
1004       if (!helpscreen_frame[i-start])
1005         helpscreen_step[i-start]++;
1006       while(helpscreen_action[j] != HA_NEXT)
1007         j++;
1008     }
1009     j++;
1010
1011     frame = getGraphicAnimationFrame(graphic, sync_frame);
1012
1013     DrawGraphicExt(drawto, xstart, ystart + (i-start) * ystep,
1014                    graphic, frame);
1015
1016     i++;
1017   }
1018
1019   for(i=2; i<16; i++)
1020   {
1021     MarkTileDirty(0, i);
1022     MarkTileDirty(1, i);
1023   }
1024
1025   FrameCounter++;
1026 }
1027
1028 void DrawHelpScreenElText(int start)
1029 {
1030   int i;
1031   int xstart = SX + 56, ystart = SY + 65 + 2 * 32, ystep = TILEY + 4;
1032   int ybottom = SYSIZE - 20;
1033
1034   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
1035   ClearWindow();
1036   DrawHeadline();
1037
1038   DrawTextFCentered(100, FC_GREEN, "The game elements:");
1039
1040   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
1041   {
1042     DrawText(xstart,
1043              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
1044              helpscreen_eltext[i][0], FS_SMALL, FC_YELLOW);
1045     DrawText(xstart, ystart + (i - start) * ystep + 16,
1046              helpscreen_eltext[i][1], FS_SMALL, FC_YELLOW);
1047   }
1048
1049   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
1050 }
1051
1052 void DrawHelpScreenMusicText(int num)
1053 {
1054   int ystart = 150, ystep = 30;
1055   int ybottom = SYSIZE - 20;
1056
1057   FadeSounds();
1058   ClearWindow();
1059   DrawHeadline();
1060
1061   DrawTextFCentered(100, FC_GREEN, "The game background music loops:");
1062
1063   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
1064                     "Excerpt from");
1065   DrawTextFCentered(ystart + 1 * ystep, FC_RED, "\"%s\"",
1066                     helpscreen_music[num][0]);
1067   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
1068                     "by");
1069   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
1070                     "%s", helpscreen_music[num][1]);
1071   DrawTextFCentered(ystart + 4 * ystep, FC_YELLOW,
1072                     "from the album");
1073   DrawTextFCentered(ystart + 5 * ystep, FC_RED, "\"%s\"",
1074                     helpscreen_music[num][2]);
1075
1076   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
1077
1078 #if 0
1079   PlaySoundLoop(background_loop[num]);
1080 #endif
1081 }
1082
1083 void DrawHelpScreenCreditsText()
1084 {
1085   int ystart = 150, ystep = 30;
1086   int ybottom = SYSIZE - 20;
1087
1088   FadeSounds();
1089   ClearWindow();
1090   DrawHeadline();
1091
1092   DrawTextFCentered(100, FC_GREEN,
1093                     "Credits:");
1094   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
1095                     "DOS port of the game:");
1096   DrawTextFCentered(ystart + 1 * ystep, FC_RED,
1097                     "Guido Schulz");
1098   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
1099                     "Additional toons:");
1100   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
1101                     "Karl Hörnell");
1102   DrawTextFCentered(ystart + 5 * ystep, FC_YELLOW,
1103                     "...and many thanks to all contributors");
1104   DrawTextFCentered(ystart + 6 * ystep, FC_YELLOW,
1105                     "of new levels!");
1106
1107   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
1108 }
1109
1110 void DrawHelpScreenContactText()
1111 {
1112   int ystart = 150, ystep = 30;
1113   int ybottom = SYSIZE - 20;
1114
1115   ClearWindow();
1116   DrawHeadline();
1117
1118   DrawTextFCentered(100, FC_GREEN, "Program information:");
1119
1120   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
1121                     "This game is Freeware!");
1122   DrawTextFCentered(ystart + 1 * ystep, FC_YELLOW,
1123                     "If you like it, send e-mail to:");
1124   DrawTextFCentered(ystart + 2 * ystep, FC_RED,
1125                     "info@artsoft.org");
1126   DrawTextFCentered(ystart + 3 * ystep, FC_YELLOW,
1127                     "or SnailMail to:");
1128   DrawTextFCentered(ystart + 4 * ystep + 0, FC_RED,
1129                     "Holger Schemel");
1130   DrawTextFCentered(ystart + 4 * ystep + 20, FC_RED,
1131                     "Detmolder Strasse 189");
1132   DrawTextFCentered(ystart + 4 * ystep + 40, FC_RED,
1133                     "33604 Bielefeld");
1134   DrawTextFCentered(ystart + 4 * ystep + 60, FC_RED,
1135                     "Germany");
1136
1137   DrawTextFCentered(ystart + 7 * ystep, FC_YELLOW,
1138                     "If you have created new levels,");
1139   DrawTextFCentered(ystart + 8 * ystep, FC_YELLOW,
1140                     "send them to me to include them!");
1141   DrawTextFCentered(ystart + 9 * ystep, FC_YELLOW,
1142                     ":-)");
1143
1144   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for main menu");
1145 }
1146
1147 void DrawHelpScreen()
1148 {
1149   int i;
1150
1151   UnmapAllGadgets();
1152   CloseDoor(DOOR_CLOSE_2);
1153
1154   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1155     helpscreen_step[i] = helpscreen_frame[i] = 0;
1156   helpscreen_musicpos = 0;
1157   helpscreen_state = 0;
1158
1159   DrawHelpScreenElText(0);
1160   DrawHelpScreenElAction(0);
1161
1162   FadeToFront();
1163   InitAnimation();
1164
1165 #if 0
1166   PlaySoundLoop(SND_MENU_INFO_SCREEN);
1167 #else
1168   PlaySound_Menu_Start(SND_MENU_INFO_SCREEN);
1169 #endif
1170 }
1171
1172 void HandleHelpScreen(int button)
1173 {
1174   static unsigned long hs_delay = 0;
1175   int num_helpscreen_els_pages =
1176     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
1177   int button_released = !button;
1178   int i;
1179
1180   if (button_released)
1181   {
1182     if (helpscreen_state < num_helpscreen_els_pages - 1)
1183     {
1184       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1185         helpscreen_step[i] = helpscreen_frame[i] = 0;
1186       helpscreen_state++;
1187
1188       FrameCounter = 0;
1189       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
1190       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1191     }
1192     else if (helpscreen_state <
1193              num_helpscreen_els_pages + num_helpscreen_music - 1)
1194     {
1195       helpscreen_state++;
1196       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
1197     }
1198     else if (helpscreen_state ==
1199              num_helpscreen_els_pages + num_helpscreen_music - 1)
1200     {
1201       helpscreen_state++;
1202       DrawHelpScreenCreditsText();
1203     }
1204     else if (helpscreen_state ==
1205              num_helpscreen_els_pages + num_helpscreen_music)
1206     {
1207       helpscreen_state++;
1208       DrawHelpScreenContactText();
1209     }
1210     else
1211     {
1212       FadeSounds();
1213       DrawMainMenu();
1214       game_status = MAINMENU;
1215     }
1216   }
1217   else
1218   {
1219     if (DelayReached(&hs_delay, GAME_FRAME_DELAY))
1220     {
1221       if (helpscreen_state < num_helpscreen_els_pages)
1222         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1223     }
1224
1225     /* !!! workaround for playing "music" that is really a sound loop (and
1226        must therefore periodically be reactivated with the current sound
1227        engine !!! */
1228 #if 0
1229     PlaySoundLoop(SND_MENU_INFO_SCREEN);
1230 #else
1231     PlaySound_Menu_Continue(SND_MENU_INFO_SCREEN);
1232 #endif
1233
1234     DoAnimation();
1235   }
1236
1237   BackToFront();
1238 }
1239
1240 void HandleTypeName(int newxpos, Key key)
1241 {
1242   static int xpos = 0, ypos = 2;
1243
1244   if (newxpos)
1245   {
1246     xpos = newxpos;
1247     DrawText(SX + 6 * 32, SY + ypos * 32, setup.player_name,
1248              FS_BIG, FC_YELLOW);
1249     drawCursorXY(xpos + 6, ypos - 2, IMG_BALL_RED);
1250
1251     return;
1252   }
1253
1254   if (((key >= KSYM_A && key <= KSYM_Z) ||
1255        (key >= KSYM_a && key <= KSYM_z)) &&
1256       xpos < MAX_PLAYER_NAME_LEN)
1257   {
1258     char ascii;
1259
1260     if (key >= KSYM_A && key <= KSYM_Z)
1261       ascii = 'A' + (char)(key - KSYM_A);
1262     else
1263       ascii = 'a' + (char)(key - KSYM_a);
1264
1265     setup.player_name[xpos] = ascii;
1266     setup.player_name[xpos + 1] = 0;
1267     xpos++;
1268
1269     DrawText(SX + 6 * 32, SY + ypos * 32, setup.player_name,
1270              FS_BIG, FC_YELLOW);
1271     drawCursorXY(xpos + 6, ypos - 2, IMG_BALL_RED);
1272   }
1273   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
1274   {
1275     xpos--;
1276     setup.player_name[xpos] = 0;
1277
1278     DrawBackground(SX + (xpos + 6) * 32, SY + ypos * 32, 2 * TILEX, TILEY);
1279     drawCursorXY(xpos + 6, ypos - 2, IMG_BALL_RED);
1280   }
1281   else if (key == KSYM_Return && xpos > 0)
1282   {
1283     DrawText(SX + 6 * 32, SY + ypos * 32, setup.player_name, FS_BIG, FC_RED);
1284     DrawBackground(SX + (xpos + 6) * 32, SY + ypos * 32, TILEX, TILEY);
1285
1286     SaveSetup();
1287     game_status = MAINMENU;
1288   }
1289
1290   BackToFront();
1291 }
1292
1293 static void DrawChooseTree(TreeInfo **ti_ptr)
1294 {
1295   UnmapAllGadgets();
1296   CloseDoor(DOOR_CLOSE_2);
1297
1298   ClearWindow();
1299
1300   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
1301   MapChooseTreeGadgets(*ti_ptr);
1302
1303   FadeToFront();
1304   InitAnimation();
1305 }
1306
1307 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1308 {
1309   struct GadgetInfo *gi = screen_gadget[id];
1310   int items_max, items_visible, item_position;
1311
1312   items_max = numTreeInfoInGroup(ti);
1313   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1314   item_position = first_entry;
1315
1316   if (item_position > items_max - items_visible)
1317     item_position = items_max - items_visible;
1318
1319   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1320                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1321 }
1322
1323 static void drawChooseTreeList(int first_entry, int num_page_entries,
1324                                TreeInfo *ti)
1325 {
1326   int i;
1327   char buffer[SCR_FIELDX * 2];
1328   int max_buffer_len = (SCR_FIELDX - 2) * 2;
1329   int num_entries = numTreeInfoInGroup(ti);
1330   char *title_string = NULL;
1331   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
1332
1333   DrawBackground(SX, SY, SXSIZE - 32, SYSIZE);
1334   redraw_mask |= REDRAW_FIELD;
1335
1336   title_string =
1337     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
1338      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
1339      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
1340      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
1341
1342   DrawText(SX + offset, SY + offset, title_string, FS_BIG,
1343            (ti->type == TREE_TYPE_LEVEL_DIR ? FC_GREEN : FC_YELLOW));
1344
1345   for(i=0; i<num_page_entries; i++)
1346   {
1347     TreeInfo *node, *node_first;
1348     int entry_pos = first_entry + i;
1349     int ypos = MENU_SCREEN_START_YPOS + i;
1350
1351     node_first = getTreeInfoFirstGroupEntry(ti);
1352     node = getTreeInfoFromPos(node_first, entry_pos);
1353
1354     strncpy(buffer, node->name , max_buffer_len);
1355     buffer[max_buffer_len] = '\0';
1356
1357     DrawText(SX + 32, SY + ypos * 32, buffer, FS_MEDIUM, node->color);
1358
1359     if (node->parent_link)
1360       initCursor(i, IMG_ARROW_BLUE_LEFT);
1361     else if (node->level_group)
1362       initCursor(i, IMG_ARROW_BLUE_RIGHT);
1363     else
1364       initCursor(i, IMG_BALL_BLUE);
1365   }
1366
1367   if (first_entry > 0)
1368   {
1369     int ypos = 1;
1370
1371     DrawBackground(SX, SY + ypos * 32, TILEX, TILEY);
1372     DrawGraphicThruMask(0, ypos, IMG_ARROW_BLUE_UP, 0);
1373   }
1374
1375   if (first_entry + num_page_entries < num_entries)
1376   {
1377     int ypos = MAX_MENU_ENTRIES_ON_SCREEN + 1;
1378
1379     DrawBackground(SX, SY + ypos * 32, TILEX, TILEY);
1380     DrawGraphicThruMask(0, ypos, IMG_ARROW_BLUE_DOWN, 0);
1381   }
1382 }
1383
1384 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1385 {
1386   TreeInfo *node, *node_first;
1387   int x, last_redraw_mask = redraw_mask;
1388
1389   if (ti->type != TREE_TYPE_LEVEL_DIR)
1390     return;
1391
1392   node_first = getTreeInfoFirstGroupEntry(ti);
1393   node = getTreeInfoFromPos(node_first, entry_pos);
1394
1395   DrawBackground(SX + 32, SY + 32, SXSIZE - 64, 32);
1396
1397   if (node->parent_link)
1398     DrawTextFCentered(40, FC_RED, "leave group \"%s\"", node->class_desc);
1399   else if (node->level_group)
1400     DrawTextFCentered(40, FC_RED, "enter group \"%s\"", node->class_desc);
1401   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1402     DrawTextFCentered(40, FC_RED, "%3d levels (%s)",
1403                       node->levels, node->class_desc);
1404
1405   /* let BackToFront() redraw only what is needed */
1406   redraw_mask = last_redraw_mask | REDRAW_TILES;
1407   for (x=0; x<SCR_FIELDX; x++)
1408     MarkTileDirty(x, 1);
1409 }
1410
1411 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1412                              TreeInfo **ti_ptr)
1413 {
1414   static unsigned long choose_delay = 0;
1415   TreeInfo *ti = *ti_ptr;
1416   int x = 0;
1417   int y = ti->cl_cursor;
1418   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1419   int num_entries = numTreeInfoInGroup(ti);
1420   int num_page_entries;
1421
1422   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1423     num_page_entries = num_entries;
1424   else
1425     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1426
1427   if (button == MB_MENU_INITIALIZE)
1428   {
1429     int entry_pos = posTreeInfo(ti);
1430
1431     if (ti->cl_first == -1)
1432     {
1433       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1434       ti->cl_cursor =
1435         entry_pos - ti->cl_first;
1436     }
1437
1438     if (dx == 999)      /* first entry is set by scrollbar position */
1439       ti->cl_first = dy;
1440     else
1441       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1442                                 ti->cl_first, ti);
1443
1444     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1445     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1446     drawCursor(ti->cl_cursor, FC_RED);
1447     return;
1448   }
1449   else if (button == MB_MENU_LEAVE)
1450   {
1451     if (ti->node_parent)
1452     {
1453       *ti_ptr = ti->node_parent;
1454       DrawChooseTree(ti_ptr);
1455     }
1456     else if (game_status == SETUP)
1457     {
1458       execSetupArtwork();
1459     }
1460     else
1461     {
1462       game_status = MAINMENU;
1463       DrawMainMenu();
1464     }
1465
1466     return;
1467   }
1468
1469   if (mx || my)         /* mouse input */
1470   {
1471     x = (mx - SX) / 32;
1472     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1473   }
1474   else if (dx || dy)    /* keyboard input */
1475   {
1476     if (dy)
1477       y = ti->cl_cursor + dy;
1478
1479     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1480     {
1481       dy = SIGN(dy);
1482       step = num_page_entries - 1;
1483       y = (dy < 0 ? -1 : num_page_entries);
1484     }
1485   }
1486
1487   if (x == 0 && y == -1)
1488   {
1489     if (ti->cl_first > 0 &&
1490         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1491     {
1492       ti->cl_first -= step;
1493       if (ti->cl_first < 0)
1494         ti->cl_first = 0;
1495
1496       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1497       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1498       drawCursor(ti->cl_cursor, FC_RED);
1499       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1500                                 ti->cl_first, ti);
1501       return;
1502     }
1503   }
1504   else if (x == 0 && y > num_page_entries - 1)
1505   {
1506     if (ti->cl_first + num_page_entries < num_entries &&
1507         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1508     {
1509       ti->cl_first += step;
1510       if (ti->cl_first + num_page_entries > num_entries)
1511         ti->cl_first = MAX(0, num_entries - num_page_entries);
1512
1513       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1514       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1515       drawCursor(ti->cl_cursor, FC_RED);
1516       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1517                                 ti->cl_first, ti);
1518       return;
1519     }
1520   }
1521
1522   if (dx == 1)
1523   {
1524     TreeInfo *node_first, *node_cursor;
1525     int entry_pos = ti->cl_first + y;
1526
1527     node_first = getTreeInfoFirstGroupEntry(ti);
1528     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1529
1530     if (node_cursor->node_group)
1531     {
1532       node_cursor->cl_first = ti->cl_first;
1533       node_cursor->cl_cursor = ti->cl_cursor;
1534       *ti_ptr = node_cursor->node_group;
1535       DrawChooseTree(ti_ptr);
1536       return;
1537     }
1538   }
1539   else if (dx == -1 && ti->node_parent)
1540   {
1541     *ti_ptr = ti->node_parent;
1542     DrawChooseTree(ti_ptr);
1543     return;
1544   }
1545
1546   if (x == 0 && y >= 0 && y < num_page_entries)
1547   {
1548     if (button)
1549     {
1550       if (y != ti->cl_cursor)
1551       {
1552         drawCursor(y, FC_RED);
1553         drawCursor(ti->cl_cursor, FC_BLUE);
1554         drawChooseTreeInfo(ti->cl_first + y, ti);
1555         ti->cl_cursor = y;
1556       }
1557     }
1558     else
1559     {
1560       TreeInfo *node_first, *node_cursor;
1561       int entry_pos = ti->cl_first + y;
1562
1563       node_first = getTreeInfoFirstGroupEntry(ti);
1564       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1565
1566       if (node_cursor->node_group)
1567       {
1568         node_cursor->cl_first = ti->cl_first;
1569         node_cursor->cl_cursor = ti->cl_cursor;
1570         *ti_ptr = node_cursor->node_group;
1571         DrawChooseTree(ti_ptr);
1572       }
1573       else if (node_cursor->parent_link)
1574       {
1575         *ti_ptr = node_cursor->node_parent;
1576         DrawChooseTree(ti_ptr);
1577       }
1578       else
1579       {
1580         node_cursor->cl_first = ti->cl_first;
1581         node_cursor->cl_cursor = ti->cl_cursor;
1582         *ti_ptr = node_cursor;
1583
1584         if (ti->type == TREE_TYPE_LEVEL_DIR)
1585         {
1586           LoadLevelSetup_SeriesInfo();
1587
1588           SaveLevelSetup_LastSeries();
1589           SaveLevelSetup_SeriesInfo();
1590           TapeErase();
1591         }
1592
1593         if (game_status == SETUP)
1594         {
1595           execSetupArtwork();
1596         }
1597         else
1598         {
1599           game_status = MAINMENU;
1600           DrawMainMenu();
1601         }
1602       }
1603     }
1604   }
1605
1606   BackToFront();
1607
1608   if (game_status == CHOOSELEVEL || game_status == SETUP)
1609     DoAnimation();
1610 }
1611
1612 void DrawChooseLevel()
1613 {
1614   SetMainBackgroundImage(IMG_BACKGROUND_LEVEL_SERIES);
1615
1616   DrawChooseTree(&leveldir_current);
1617 }
1618
1619 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1620 {
1621   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1622 }
1623
1624 void DrawHallOfFame(int highlight_position)
1625 {
1626   UnmapAllGadgets();
1627   FadeSounds();
1628   CloseDoor(DOOR_CLOSE_2);
1629
1630   if (highlight_position < 0)
1631     LoadScore(level_nr);
1632
1633   FadeToFront();
1634   InitAnimation();
1635
1636   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1637
1638 #if 0
1639   PlaySound(SND_MENU_HALL_OF_FAME);
1640 #else
1641   PlaySound_Menu_Start(SND_MENU_HALL_OF_FAME);
1642 #endif
1643 }
1644
1645 static void drawHallOfFameList(int first_entry, int highlight_position)
1646 {
1647   int i;
1648
1649   SetMainBackgroundImage(IMG_BACKGROUND_HALL_OF_FAME);
1650   ClearWindow();
1651
1652   DrawText(SX + 80, SY + 8, "Hall Of Fame", FS_BIG, FC_YELLOW);
1653   DrawTextFCentered(46, FC_RED, "HighScores of Level %d", level_nr);
1654
1655   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1656   {
1657     int entry = first_entry + i;
1658     int color = (entry == highlight_position ? FC_RED : FC_GREEN);
1659
1660 #if 0
1661     DrawText(SX, SY + 64 + i * 32, ".................", FS_BIG, color);
1662     DrawText(SX, SY + 64 + i * 32, highscore[i].Name, FS_BIG, color);
1663     DrawText(SX + 12 * 32, SY + 64 + i * 32,
1664              int2str(highscore[i].Score, 5), FS_BIG, color);
1665 #else
1666     DrawText(SX, SY + 64 + i * 32, "..................................",
1667              FS_MEDIUM, FC_YELLOW);
1668     DrawText(SX, SY + 64 + i * 32, int2str(entry + 1, 3),
1669              FS_MEDIUM, FC_YELLOW);
1670     DrawText(SX + 64, SY + 64 + i * 32, highscore[entry].Name, FS_BIG, color);
1671     DrawText(SX + 14 * 32 + 16, SY + 64 + i * 32,
1672              int2str(highscore[entry].Score, 5), FS_MEDIUM, color);
1673 #endif
1674   }
1675 }
1676
1677 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1678 {
1679   static int first_entry = 0;
1680   static int highlight_position = 0;
1681   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1682   int button_released = !button;
1683
1684   if (button == MB_MENU_INITIALIZE)
1685   {
1686     first_entry = 0;
1687     highlight_position = mx;
1688     drawHallOfFameList(first_entry, highlight_position);
1689     return;
1690   }
1691
1692   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1693     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1694
1695   if (dy < 0)
1696   {
1697     if (first_entry > 0)
1698     {
1699       first_entry -= step;
1700       if (first_entry < 0)
1701         first_entry = 0;
1702
1703       drawHallOfFameList(first_entry, highlight_position);
1704       return;
1705     }
1706   }
1707   else if (dy > 0)
1708   {
1709     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1710     {
1711       first_entry += step;
1712       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1713         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1714
1715       drawHallOfFameList(first_entry, highlight_position);
1716       return;
1717     }
1718   }
1719
1720   if (button_released)
1721   {
1722     FadeSound(SND_MENU_HALL_OF_FAME);
1723     game_status = MAINMENU;
1724     DrawMainMenu();
1725   }
1726
1727   BackToFront();
1728
1729   if (game_status == HALLOFFAME)
1730   {
1731     DoAnimation();
1732 #if 1
1733     PlaySound_Menu_Continue(SND_MENU_HALL_OF_FAME);
1734 #endif
1735   }
1736 }
1737
1738
1739 /* ========================================================================= */
1740 /* setup screen functions                                                    */
1741 /* ========================================================================= */
1742
1743 static struct TokenInfo *setup_info;
1744 static int num_setup_info;
1745
1746 static char *graphics_set_name;
1747 static char *sounds_set_name;
1748 static char *music_set_name;
1749
1750 static void execSetupMain()
1751 {
1752   setup_mode = SETUP_MODE_MAIN;
1753   DrawSetupScreen();
1754 }
1755
1756 static void execSetupGame()
1757 {
1758   setup_mode = SETUP_MODE_GAME;
1759   DrawSetupScreen();
1760 }
1761
1762 static void execSetupEditor()
1763 {
1764   setup_mode = SETUP_MODE_EDITOR;
1765   DrawSetupScreen();
1766 }
1767
1768 static void execSetupGraphics()
1769 {
1770   setup_mode = SETUP_MODE_GRAPHICS;
1771   DrawSetupScreen();
1772 }
1773
1774 static void execSetupSound()
1775 {
1776   setup_mode = SETUP_MODE_SOUND;
1777   DrawSetupScreen();
1778 }
1779
1780 static void execSetupArtwork()
1781 {
1782   /* needed if last screen (setup choice) changed graphics, sounds or music */
1783   ReloadCustomArtwork();
1784
1785   setup.graphics_set = artwork.gfx_current->identifier;
1786   setup.sounds_set = artwork.snd_current->identifier;
1787   setup.music_set = artwork.mus_current->identifier;
1788
1789   /* needed for displaying artwork name instead of artwork identifier */
1790   graphics_set_name = artwork.gfx_current->name;
1791   sounds_set_name = artwork.snd_current->name;
1792   music_set_name = artwork.mus_current->name;
1793
1794   setup_mode = SETUP_MODE_ARTWORK;
1795   DrawSetupScreen();
1796 }
1797
1798 static void execSetupChooseGraphics()
1799 {
1800   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1801   DrawSetupScreen();
1802 }
1803
1804 static void execSetupChooseSounds()
1805 {
1806   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1807   DrawSetupScreen();
1808 }
1809
1810 static void execSetupChooseMusic()
1811 {
1812   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1813   DrawSetupScreen();
1814 }
1815
1816 static void execSetupInput()
1817 {
1818   setup_mode = SETUP_MODE_INPUT;
1819   DrawSetupScreen();
1820 }
1821
1822 static void execSetupShortcut()
1823 {
1824   setup_mode = SETUP_MODE_SHORTCUT;
1825   DrawSetupScreen();
1826 }
1827
1828 static void execExitSetup()
1829 {
1830   game_status = MAINMENU;
1831   DrawMainMenu();
1832 }
1833
1834 static void execSaveAndExitSetup()
1835 {
1836   SaveSetup();
1837   execExitSetup();
1838 }
1839
1840 static struct TokenInfo setup_info_main[] =
1841 {
1842   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1843   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor Settings"       },
1844   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1845   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1846   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1847   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1848   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1849   { TYPE_EMPTY,         NULL,                   ""                      },
1850   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1851   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
1852   { 0,                  NULL,                   NULL                    }
1853 };
1854
1855 static struct TokenInfo setup_info_game[] =
1856 {
1857   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1858   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1859   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1860   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1861   { TYPE_EMPTY,         NULL,                   ""                      },
1862   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1863   { 0,                  NULL,                   NULL                    }
1864 };
1865
1866 static struct TokenInfo setup_info_editor[] =
1867 {
1868   { TYPE_STRING,        NULL,                   "Offer Special Elements:"},
1869   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "BoulderDash:"  },
1870   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
1871   { TYPE_SWITCH,        &setup.editor.el_more,          "More:"         },
1872   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
1873   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
1874   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamd. Caves:" },
1875   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX Boulderd.:" },
1876   { TYPE_SWITCH,        &setup.editor.el_chars,         "Characters:"   },
1877   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom:"       },
1878   { TYPE_EMPTY,         NULL,                   ""                      },
1879   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1880   { 0,                  NULL,                   NULL                    }
1881 };
1882
1883 static struct TokenInfo setup_info_graphics[] =
1884 {
1885   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1886   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1887   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1888 #if 0
1889   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1890   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1891 #endif
1892   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1893   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1894   { TYPE_EMPTY,         NULL,                   ""                      },
1895   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1896   { 0,                  NULL,                   NULL                    }
1897 };
1898
1899 static struct TokenInfo setup_info_sound[] =
1900 {
1901   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1902   { TYPE_EMPTY,         NULL,                   ""                      },
1903   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1904   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1905   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1906   { TYPE_EMPTY,         NULL,                   ""                      },
1907   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1908   { 0,                  NULL,                   NULL                    }
1909 };
1910
1911 static struct TokenInfo setup_info_artwork[] =
1912 {
1913   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1914   { TYPE_STRING,        &graphics_set_name,     ""                      },
1915   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1916   { TYPE_STRING,        &sounds_set_name,       ""                      },
1917   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1918   { TYPE_STRING,        &music_set_name,        ""                      },
1919   { TYPE_EMPTY,         NULL,                   ""                      },
1920   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1921   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1922   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1923   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1924   { TYPE_EMPTY,         NULL,                   ""                      },
1925   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1926   { 0,                  NULL,                   NULL                    }
1927 };
1928
1929 static struct TokenInfo setup_info_shortcut[] =
1930 {
1931   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1932   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1933   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1934   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1935   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1936   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1937   { TYPE_EMPTY,         NULL,                   ""                      },
1938   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1939   { TYPE_EMPTY,         NULL,                   ""                      },
1940   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1941   { 0,                  NULL,                   NULL                    }
1942 };
1943
1944 static Key getSetupKey()
1945 {
1946   Key key = KSYM_UNDEFINED;
1947   boolean got_key_event = FALSE;
1948
1949   while (!got_key_event)
1950   {
1951     if (PendingEvent())         /* got event */
1952     {
1953       Event event;
1954
1955       NextEvent(&event);
1956
1957       switch(event.type)
1958       {
1959         case EVENT_KEYPRESS:
1960           {
1961             key = GetEventKey((KeyEvent *)&event, TRUE);
1962
1963             /* press 'Escape' or 'Enter' to keep the existing key binding */
1964             if (key == KSYM_Escape || key == KSYM_Return)
1965               key = KSYM_UNDEFINED;     /* keep old value */
1966
1967             got_key_event = TRUE;
1968           }
1969           break;
1970
1971         case EVENT_KEYRELEASE:
1972           key_joystick_mapping = 0;
1973           break;
1974
1975         default:
1976           HandleOtherEvents(&event);
1977           break;
1978       }
1979     }
1980
1981     BackToFront();
1982     DoAnimation();
1983
1984     /* don't eat all CPU time */
1985     Delay(10);
1986   }
1987
1988   return key;
1989 }
1990
1991 static void drawSetupValue(int pos)
1992 {
1993   int xpos = MENU_SCREEN_VALUE_XPOS;
1994   int ypos = MENU_SCREEN_START_YPOS + pos;
1995   int font_size = FS_BIG;
1996   int font_color = FC_YELLOW;
1997   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1998                                      setup_info[pos].value);
1999
2000   if (value_string == NULL)
2001     return;
2002
2003   if (setup_info[pos].type & TYPE_KEY)
2004   {
2005     xpos = 3;
2006
2007     if (setup_info[pos].type & TYPE_QUERY)
2008     {
2009       value_string = "<press key>";
2010       font_color = FC_RED;
2011     }
2012   }
2013   else if (setup_info[pos].type & TYPE_STRING)
2014   {
2015     int max_value_len = (SCR_FIELDX - 2) * 2;
2016
2017     xpos = 1;
2018     font_size = FS_MEDIUM;
2019
2020     if (strlen(value_string) > max_value_len)
2021       value_string[max_value_len] = '\0';
2022   }
2023   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
2024            !*(boolean *)(setup_info[pos].value))
2025     font_color = FC_BLUE;
2026
2027   DrawText(SX + xpos * 32, SY + ypos * 32,
2028            (xpos == 3 ? "              " : "   "), FS_BIG, FC_YELLOW);
2029   DrawText(SX + xpos * 32, SY + ypos * 32, value_string, font_size,font_color);
2030 }
2031
2032 static void changeSetupValue(int pos)
2033 {
2034   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
2035   {
2036     *(boolean *)setup_info[pos].value ^= TRUE;
2037   }
2038   else if (setup_info[pos].type & TYPE_KEY)
2039   {
2040     Key key;
2041
2042     setup_info[pos].type |= TYPE_QUERY;
2043     drawSetupValue(pos);
2044     setup_info[pos].type &= ~TYPE_QUERY;
2045
2046     key = getSetupKey();
2047     if (key != KSYM_UNDEFINED)
2048       *(Key *)setup_info[pos].value = key;
2049   }
2050
2051   drawSetupValue(pos);
2052 }
2053
2054 static void DrawSetupScreen_Generic()
2055 {
2056   char *title_string = NULL;
2057   int i;
2058
2059   UnmapAllGadgets();
2060   CloseDoor(DOOR_CLOSE_2);
2061
2062   ClearWindow();
2063
2064   if (setup_mode == SETUP_MODE_MAIN)
2065   {
2066     setup_info = setup_info_main;
2067     title_string = "Setup";
2068   }
2069   else if (setup_mode == SETUP_MODE_GAME)
2070   {
2071     setup_info = setup_info_game;
2072     title_string = "Setup Game";
2073   }
2074   else if (setup_mode == SETUP_MODE_EDITOR)
2075   {
2076     setup_info = setup_info_editor;
2077     title_string = "Setup Editor";
2078   }
2079   else if (setup_mode == SETUP_MODE_GRAPHICS)
2080   {
2081     setup_info = setup_info_graphics;
2082     title_string = "Setup Graphics";
2083   }
2084   else if (setup_mode == SETUP_MODE_SOUND)
2085   {
2086     setup_info = setup_info_sound;
2087     title_string = "Setup Sound";
2088   }
2089   else if (setup_mode == SETUP_MODE_ARTWORK)
2090   {
2091     setup_info = setup_info_artwork;
2092     title_string = "Custom Artwork";
2093   }
2094   else if (setup_mode == SETUP_MODE_SHORTCUT)
2095   {
2096     setup_info = setup_info_shortcut;
2097     title_string = "Setup Shortcuts";
2098   }
2099
2100   DrawText(SX + 16, SY + 16, title_string, FS_BIG, FC_YELLOW);
2101
2102   num_setup_info = 0;
2103   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
2104   {
2105     void *value_ptr = setup_info[i].value;
2106     int ypos = MENU_SCREEN_START_YPOS + i;
2107     int font_size = FS_BIG;
2108
2109     /* set some entries to "unchangeable" according to other variables */
2110     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
2111         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
2112         (value_ptr == &setup.sound_music && !audio.music_available) ||
2113         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
2114       setup_info[i].type |= TYPE_GHOSTED;
2115
2116     if (setup_info[i].type & TYPE_STRING)
2117       font_size = FS_MEDIUM;
2118
2119     DrawText(SX + 32, SY + ypos * 32, setup_info[i].text, font_size, FC_GREEN);
2120
2121     if (setup_info[i].type & TYPE_ENTER_MENU)
2122       initCursor(i, IMG_ARROW_BLUE_RIGHT);
2123     else if (setup_info[i].type & TYPE_LEAVE_MENU)
2124       initCursor(i, IMG_ARROW_BLUE_LEFT);
2125     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
2126       initCursor(i, IMG_BALL_BLUE);
2127
2128     if (setup_info[i].type & TYPE_VALUE)
2129       drawSetupValue(i);
2130
2131     num_setup_info++;
2132   }
2133
2134   FadeToFront();
2135   InitAnimation();
2136   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
2137 }
2138
2139 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
2140 {
2141   static int choice_store[MAX_SETUP_MODES];
2142   int choice = choice_store[setup_mode];        /* always starts with 0 */
2143   int x = 0;
2144   int y = choice;
2145
2146   if (button == MB_MENU_INITIALIZE)
2147   {
2148     /* advance to first valid menu entry */
2149     while (choice < num_setup_info &&
2150            (setup_info[choice].type & TYPE_SKIP_ENTRY))
2151       choice++;
2152     choice_store[setup_mode] = choice;
2153
2154     drawCursor(choice, FC_RED);
2155     return;
2156   }
2157   else if (button == MB_MENU_LEAVE)
2158   {
2159     for (y=0; y<num_setup_info; y++)
2160     {
2161       if (setup_info[y].type & TYPE_LEAVE_MENU)
2162       {
2163         void (*menu_callback_function)(void) = setup_info[y].value;
2164
2165         menu_callback_function();
2166         break;  /* absolutely needed because function changes 'setup_info'! */
2167       }
2168     }
2169
2170     return;
2171   }
2172
2173   if (mx || my)         /* mouse input */
2174   {
2175     x = (mx - SX) / 32;
2176     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
2177   }
2178   else if (dx || dy)    /* keyboard input */
2179   {
2180     if (dx)
2181     {
2182       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
2183
2184       if ((setup_info[choice].type & menu_navigation_type) ||
2185           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
2186         button = MB_MENU_CHOICE;
2187     }
2188     else if (dy)
2189       y = choice + dy;
2190
2191     /* jump to next non-empty menu entry (up or down) */
2192     while (y > 0 && y < num_setup_info - 1 &&
2193            (setup_info[y].type & TYPE_SKIP_ENTRY))
2194       y += dy;
2195   }
2196
2197   if (x == 0 && y >= 0 && y < num_setup_info &&
2198       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
2199   {
2200     if (button)
2201     {
2202       if (y != choice)
2203       {
2204         drawCursor(y, FC_RED);
2205         drawCursor(choice, FC_BLUE);
2206         choice = choice_store[setup_mode] = y;
2207       }
2208     }
2209     else if (!(setup_info[y].type & TYPE_GHOSTED))
2210     {
2211       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
2212       {
2213         void (*menu_callback_function)(void) = setup_info[choice].value;
2214
2215         menu_callback_function();
2216       }
2217       else
2218       {
2219         if ((setup_info[y].type & TYPE_KEYTEXT) &&
2220             (setup_info[y + 1].type & TYPE_KEY))
2221           y++;
2222
2223         if (setup_info[y].type & TYPE_VALUE)
2224           changeSetupValue(y);
2225       }
2226     }
2227   }
2228
2229   BackToFront();
2230
2231   if (game_status == SETUP)
2232     DoAnimation();
2233 }
2234
2235 void DrawSetupScreen_Input()
2236 {
2237   ClearWindow();
2238
2239   DrawText(SX+16, SY+16, "Setup Input", FS_BIG, FC_YELLOW);
2240
2241   initCursor(0, IMG_BALL_BLUE);
2242   initCursor(1, IMG_BALL_BLUE);
2243   initCursor(2, IMG_ARROW_BLUE_RIGHT);
2244   initCursor(13, IMG_ARROW_BLUE_LEFT);
2245
2246   drawCursorXY(10, 0, IMG_ARROW_BLUE_LEFT);
2247   drawCursorXY(12, 0, IMG_ARROW_BLUE_RIGHT);
2248
2249   DrawText(SX+32, SY+2*32, "Player:", FS_BIG, FC_GREEN);
2250   DrawText(SX+32, SY+3*32, "Device:", FS_BIG, FC_GREEN);
2251   DrawText(SX+32, SY+15*32, "Back", FS_BIG, FC_GREEN);
2252
2253 #if 0
2254   DeactivateJoystickForCalibration();
2255   DrawTextFCentered(SYSIZE - 20, FC_BLUE,
2256                     "Joysticks deactivated on this screen");
2257 #endif
2258
2259   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
2260   FadeToFront();
2261   InitAnimation();
2262 }
2263
2264 static void setJoystickDeviceToNr(char *device_name, int device_nr)
2265 {
2266   if (device_name == NULL)
2267     return;
2268
2269   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
2270     device_nr = 0;
2271
2272   if (strlen(device_name) > 1)
2273   {
2274     char c1 = device_name[strlen(device_name) - 1];
2275     char c2 = device_name[strlen(device_name) - 2];
2276
2277     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
2278       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
2279   }
2280   else
2281     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
2282             strlen(device_name));
2283 }
2284
2285 static void drawPlayerSetupInputInfo(int player_nr)
2286 {
2287   int i;
2288   static struct SetupKeyboardInfo custom_key;
2289   static struct
2290   {
2291     Key *key;
2292     char *text;
2293   } custom[] =
2294   {
2295     { &custom_key.left,  "Joystick Left"  },
2296     { &custom_key.right, "Joystick Right" },
2297     { &custom_key.up,    "Joystick Up"    },
2298     { &custom_key.down,  "Joystick Down"  },
2299     { &custom_key.snap,  "Button 1"       },
2300     { &custom_key.bomb,  "Button 2"       }
2301   };
2302   static char *joystick_name[MAX_PLAYERS] =
2303   {
2304     "Joystick1",
2305     "Joystick2",
2306     "Joystick3",
2307     "Joystick4"
2308   };
2309
2310   custom_key = setup.input[player_nr].key;
2311
2312   DrawText(SX+11*32, SY+2*32, int2str(player_nr + 1, 1), FS_BIG, FC_RED);
2313   DrawGraphicThruMask(8, 2, PLAYER_NR_GFX(IMG_PLAYER1, player_nr), 0);
2314
2315   if (setup.input[player_nr].use_joystick)
2316   {
2317     char *device_name = setup.input[player_nr].joy.device_name;
2318
2319     DrawText(SX+8*32, SY+3*32,
2320              joystick_name[getJoystickNrFromDeviceName(device_name)],
2321              FS_BIG, FC_YELLOW);
2322     DrawText(SX+32, SY+4*32, "Calibrate", FS_BIG, FC_GREEN);
2323   }
2324   else
2325   {
2326     DrawText(SX+8*32, SY+3*32, "Keyboard ", FS_BIG, FC_YELLOW);
2327     DrawText(SX+32, SY+4*32, "Customize", FS_BIG, FC_GREEN);
2328   }
2329
2330   DrawText(SX+32, SY+5*32, "Actual Settings:", FS_BIG, FC_GREEN);
2331   drawCursorXY(1, 4, IMG_ARROW_BLUE_LEFT);
2332   drawCursorXY(1, 5, IMG_ARROW_BLUE_RIGHT);
2333   drawCursorXY(1, 6, IMG_ARROW_BLUE_UP);
2334   drawCursorXY(1, 7, IMG_ARROW_BLUE_DOWN);
2335   DrawText(SX+2*32, SY+6*32, ":", FS_BIG, FC_BLUE);
2336   DrawText(SX+2*32, SY+7*32, ":", FS_BIG, FC_BLUE);
2337   DrawText(SX+2*32, SY+8*32, ":", FS_BIG, FC_BLUE);
2338   DrawText(SX+2*32, SY+9*32, ":", FS_BIG, FC_BLUE);
2339   DrawText(SX+32, SY+10*32, "Snap Field:", FS_BIG, FC_BLUE);
2340   DrawText(SX+32, SY+12*32, "Place Bomb:", FS_BIG, FC_BLUE);
2341
2342   for (i=0; i<6; i++)
2343   {
2344     int ypos = 6 + i + (i > 3 ? i-3 : 0);
2345
2346     DrawText(SX + 3*32, SY + ypos*32,
2347              "              ", FS_BIG, FC_YELLOW);
2348     DrawText(SX + 3*32, SY + ypos*32,
2349              (setup.input[player_nr].use_joystick ?
2350               custom[i].text :
2351               getKeyNameFromKey(*custom[i].key)),
2352              FS_BIG, FC_YELLOW);
2353   }
2354 }
2355
2356 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
2357 {
2358   static int choice = 0;
2359   static int player_nr = 0;
2360   int x = 0;
2361   int y = choice;
2362   int pos_start  = SETUPINPUT_SCREEN_POS_START;
2363   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
2364   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
2365   int pos_end    = SETUPINPUT_SCREEN_POS_END;
2366
2367   if (button == MB_MENU_INITIALIZE)
2368   {
2369     drawPlayerSetupInputInfo(player_nr);
2370     drawCursor(choice, FC_RED);
2371     return;
2372   }
2373   else if (button == MB_MENU_LEAVE)
2374   {
2375     setup_mode = SETUP_MODE_MAIN;
2376     DrawSetupScreen();
2377     InitJoysticks();
2378   }
2379
2380   if (mx || my)         /* mouse input */
2381   {
2382     x = (mx - SX) / 32;
2383     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
2384   }
2385   else if (dx || dy)    /* keyboard input */
2386   {
2387     if (dx && choice == 0)
2388       x = (dx < 0 ? 10 : 12);
2389     else if ((dx && choice == 1) ||
2390              (dx == +1 && choice == 2) ||
2391              (dx == -1 && choice == pos_end))
2392       button = MB_MENU_CHOICE;
2393     else if (dy)
2394       y = choice + dy;
2395
2396     if (y >= pos_empty1 && y <= pos_empty2)
2397       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
2398   }
2399
2400   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
2401   {
2402     static unsigned long delay = 0;
2403
2404     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
2405       goto out;
2406
2407     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
2408
2409     drawPlayerSetupInputInfo(player_nr);
2410   }
2411   else if (x == 0 && y >= pos_start && y <= pos_end &&
2412            !(y >= pos_empty1 && y <= pos_empty2))
2413   {
2414     if (button)
2415     {
2416       if (y != choice)
2417       {
2418         drawCursor(y, FC_RED);
2419         drawCursor(choice, FC_BLUE);
2420         choice = y;
2421       }
2422     }
2423     else
2424     {
2425       if (y == 1)
2426       {
2427         char *device_name = setup.input[player_nr].joy.device_name;
2428
2429         if (!setup.input[player_nr].use_joystick)
2430         {
2431           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2432
2433           setJoystickDeviceToNr(device_name, new_device_nr);
2434           setup.input[player_nr].use_joystick = TRUE;
2435         }
2436         else
2437         {
2438           int device_nr = getJoystickNrFromDeviceName(device_name);
2439           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2440
2441           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2442             setup.input[player_nr].use_joystick = FALSE;
2443           else
2444             setJoystickDeviceToNr(device_name, new_device_nr);
2445         }
2446
2447         drawPlayerSetupInputInfo(player_nr);
2448       }
2449       else if (y == 2)
2450       {
2451         if (setup.input[player_nr].use_joystick)
2452         {
2453           InitJoysticks();
2454           CalibrateJoystick(player_nr);
2455         }
2456         else
2457           CustomizeKeyboard(player_nr);
2458       }
2459       else if (y == pos_end)
2460       {
2461         InitJoysticks();
2462
2463         setup_mode = SETUP_MODE_MAIN;
2464         DrawSetupScreen();
2465       }
2466     }
2467   }
2468
2469   BackToFront();
2470
2471   out:
2472
2473   if (game_status == SETUP)
2474     DoAnimation();
2475 }
2476
2477 void CustomizeKeyboard(int player_nr)
2478 {
2479   int i;
2480   int step_nr;
2481   boolean finished = FALSE;
2482   static struct SetupKeyboardInfo custom_key;
2483   static struct
2484   {
2485     Key *key;
2486     char *text;
2487   } customize_step[] =
2488   {
2489     { &custom_key.left,  "Move Left"  },
2490     { &custom_key.right, "Move Right" },
2491     { &custom_key.up,    "Move Up"    },
2492     { &custom_key.down,  "Move Down"  },
2493     { &custom_key.snap,  "Snap Field" },
2494     { &custom_key.bomb,  "Place Bomb" }
2495   };
2496
2497   /* read existing key bindings from player setup */
2498   custom_key = setup.input[player_nr].key;
2499
2500   ClearWindow();
2501   DrawText(SX + 16, SY + 16, "Keyboard Input", FS_BIG, FC_YELLOW);
2502
2503   BackToFront();
2504   InitAnimation();
2505
2506   step_nr = 0;
2507   DrawText(SX, SY + (2+2*step_nr)*32,
2508            customize_step[step_nr].text, FS_BIG, FC_RED);
2509   DrawText(SX, SY + (2+2*step_nr+1)*32,
2510            "Key:", FS_BIG, FC_RED);
2511   DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2512            getKeyNameFromKey(*customize_step[step_nr].key),
2513            FS_BIG, FC_BLUE);
2514
2515   while(!finished)
2516   {
2517     if (PendingEvent())         /* got event */
2518     {
2519       Event event;
2520
2521       NextEvent(&event);
2522
2523       switch(event.type)
2524       {
2525         case EVENT_KEYPRESS:
2526           {
2527             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2528
2529             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2530             {
2531               finished = TRUE;
2532               break;
2533             }
2534
2535             /* all keys configured -- wait for "Escape" or "Return" key */
2536             if (step_nr == 6)
2537               break;
2538
2539             /* press 'Enter' to keep the existing key binding */
2540             if (key == KSYM_Return)
2541               key = *customize_step[step_nr].key;
2542
2543             /* check if key already used */
2544             for (i=0; i<step_nr; i++)
2545               if (*customize_step[i].key == key)
2546                 break;
2547             if (i < step_nr)
2548               break;
2549
2550             /* got new key binding */
2551             *customize_step[step_nr].key = key;
2552             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2553                      "             ", FS_BIG, FC_YELLOW);
2554             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2555                      getKeyNameFromKey(key), FS_BIG, FC_YELLOW);
2556             step_nr++;
2557
2558             /* un-highlight last query */
2559             DrawText(SX, SY+(2+2*(step_nr-1))*32,
2560                      customize_step[step_nr-1].text, FS_BIG, FC_GREEN);
2561             DrawText(SX, SY+(2+2*(step_nr-1)+1)*32,
2562                      "Key:", FS_BIG, FC_GREEN);
2563
2564             /* press 'Enter' to leave */
2565             if (step_nr == 6)
2566             {
2567               DrawText(SX + 16, SY + 15*32+16,
2568                        "Press Enter", FS_BIG, FC_YELLOW);
2569               break;
2570             }
2571
2572             /* query next key binding */
2573             DrawText(SX, SY+(2+2*step_nr)*32,
2574                      customize_step[step_nr].text, FS_BIG, FC_RED);
2575             DrawText(SX, SY+(2+2*step_nr+1)*32,
2576                      "Key:", FS_BIG, FC_RED);
2577             DrawText(SX + 4*32, SY+(2+2*step_nr+1)*32,
2578                      getKeyNameFromKey(*customize_step[step_nr].key),
2579                      FS_BIG, FC_BLUE);
2580           }
2581           break;
2582
2583         case EVENT_KEYRELEASE:
2584           key_joystick_mapping = 0;
2585           break;
2586
2587         default:
2588           HandleOtherEvents(&event);
2589           break;
2590       }
2591     }
2592
2593     BackToFront();
2594     DoAnimation();
2595
2596     /* don't eat all CPU time */
2597     Delay(10);
2598   }
2599
2600   /* write new key bindings back to player setup */
2601   setup.input[player_nr].key = custom_key;
2602
2603   StopAnimation();
2604   DrawSetupScreen_Input();
2605 }
2606
2607 static boolean CalibrateJoystickMain(int player_nr)
2608 {
2609   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2610   int new_joystick_xright = JOYSTICK_XMIDDLE;
2611   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2612   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2613   int new_joystick_xmiddle, new_joystick_ymiddle;
2614
2615   int joystick_fd = joystick.fd[player_nr];
2616   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2617   boolean check[3][3];
2618   int check_remaining = 3 * 3;
2619   int joy_x, joy_y;
2620   int joy_value;
2621   int result = -1;
2622
2623   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2624     return FALSE;
2625
2626   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2627     return FALSE;
2628
2629   ClearWindow();
2630
2631   for(y=0; y<3; y++)
2632   {
2633     for(x=0; x<3; x++)
2634     {
2635       check[x][y] = FALSE;
2636       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_BALL_BLUE, 0);
2637     }
2638   }
2639
2640   DrawText(SX,      SY +  6 * 32, " ROTATE JOYSTICK ", FS_BIG, FC_YELLOW);
2641   DrawText(SX,      SY +  7 * 32, "IN ALL DIRECTIONS", FS_BIG, FC_YELLOW);
2642   DrawText(SX + 16, SY +  9 * 32, "  IF ALL BALLS  ",  FS_BIG, FC_YELLOW);
2643   DrawText(SX,      SY + 10 * 32, "   ARE YELLOW,   ", FS_BIG, FC_YELLOW);
2644   DrawText(SX,      SY + 11 * 32, " CENTER JOYSTICK ", FS_BIG, FC_YELLOW);
2645   DrawText(SX,      SY + 12 * 32, "       AND       ", FS_BIG, FC_YELLOW);
2646   DrawText(SX,      SY + 13 * 32, "PRESS ANY BUTTON!", FS_BIG, FC_YELLOW);
2647
2648   joy_value = Joystick(player_nr);
2649   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2650   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2651
2652   /* eventually uncalibrated center position (joystick could be uncentered) */
2653   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2654     return FALSE;
2655
2656   new_joystick_xmiddle = joy_x;
2657   new_joystick_ymiddle = joy_y;
2658
2659   DrawGraphic(xpos + last_x, ypos + last_y, IMG_BALL_RED, 0);
2660   BackToFront();
2661
2662   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2663   InitAnimation();
2664
2665   while(result < 0)
2666   {
2667     if (PendingEvent())         /* got event */
2668     {
2669       Event event;
2670
2671       NextEvent(&event);
2672
2673       switch(event.type)
2674       {
2675         case EVENT_KEYPRESS:
2676           switch(GetEventKey((KeyEvent *)&event, TRUE))
2677           {
2678             case KSYM_Return:
2679               if (check_remaining == 0)
2680                 result = 1;
2681               break;
2682
2683             case KSYM_Escape:
2684               result = 0;
2685               break;
2686
2687             default:
2688               break;
2689           }
2690           break;
2691
2692         case EVENT_KEYRELEASE:
2693           key_joystick_mapping = 0;
2694           break;
2695
2696         default:
2697           HandleOtherEvents(&event);
2698           break;
2699       }
2700     }
2701
2702     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2703       return FALSE;
2704
2705     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2706     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2707     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2708     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2709
2710     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2711     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2712     setup.input[player_nr].joy.xright = new_joystick_xright;
2713     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2714     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2715     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2716
2717     CheckJoystickData();
2718
2719     joy_value = Joystick(player_nr);
2720
2721     if (joy_value & JOY_BUTTON && check_remaining == 0)
2722       result = 1;
2723
2724     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2725     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2726
2727     if (x != last_x || y != last_y)
2728     {
2729       DrawGraphic(xpos + last_x, ypos + last_y, IMG_BALL_YELLOW, 0);
2730       DrawGraphic(xpos + x,      ypos + y,      IMG_BALL_RED, 0);
2731
2732       last_x = x;
2733       last_y = y;
2734
2735       if (check_remaining > 0 && !check[x+1][y+1])
2736       {
2737         check[x+1][y+1] = TRUE;
2738         check_remaining--;
2739       }
2740
2741 #if 0
2742 #ifdef DEBUG
2743       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2744              setup.input[player_nr].joy.xleft,
2745              setup.input[player_nr].joy.xmiddle,
2746              setup.input[player_nr].joy.xright);
2747       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2748              setup.input[player_nr].joy.yupper,
2749              setup.input[player_nr].joy.ymiddle,
2750              setup.input[player_nr].joy.ylower);
2751 #endif
2752 #endif
2753
2754     }
2755
2756     BackToFront();
2757     DoAnimation();
2758
2759     /* don't eat all CPU time */
2760     Delay(10);
2761   }
2762
2763   /* calibrated center position (joystick should now be centered) */
2764   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2765     return FALSE;
2766
2767   new_joystick_xmiddle = joy_x;
2768   new_joystick_ymiddle = joy_y;
2769
2770   StopAnimation();
2771
2772   DrawSetupScreen_Input();
2773
2774   /* wait until the last pressed button was released */
2775   while (Joystick(player_nr) & JOY_BUTTON)
2776   {
2777     if (PendingEvent())         /* got event */
2778     {
2779       Event event;
2780
2781       NextEvent(&event);
2782       HandleOtherEvents(&event);
2783
2784       Delay(10);
2785     }
2786   }
2787
2788   return TRUE;
2789 }
2790
2791 void CalibrateJoystick(int player_nr)
2792 {
2793   if (!CalibrateJoystickMain(player_nr))
2794   {
2795     ClearWindow();
2796
2797     DrawText(SX + 16, SY + 6*32, "  JOYSTICK NOT  ",  FS_BIG, FC_YELLOW);
2798     DrawText(SX,      SY + 7*32, "    AVAILABLE    ", FS_BIG, FC_YELLOW);
2799     BackToFront();
2800     Delay(2000);        /* show error message for two seconds */
2801   }
2802 }
2803
2804 void DrawSetupScreen()
2805 {
2806   DeactivateJoystick();
2807
2808   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
2809
2810   if (setup_mode == SETUP_MODE_INPUT)
2811     DrawSetupScreen_Input();
2812   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2813     DrawChooseTree(&artwork.gfx_current);
2814   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2815     DrawChooseTree(&artwork.snd_current);
2816   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2817     DrawChooseTree(&artwork.mus_current);
2818   else
2819     DrawSetupScreen_Generic();
2820 }
2821
2822 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2823 {
2824   if (setup_mode == SETUP_MODE_INPUT)
2825     HandleSetupScreen_Input(mx, my, dx, dy, button);
2826   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2827     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2828   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2829     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2830   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2831     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2832   else
2833     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2834 }
2835
2836 void HandleGameActions()
2837 {
2838   if (game_status != PLAYING)
2839     return;
2840
2841   if (local_player->LevelSolved)
2842     GameWon();
2843
2844   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2845     TapeStop();
2846
2847   GameActions();
2848
2849   BackToFront();
2850 }
2851
2852 /* ---------- new screen button stuff -------------------------------------- */
2853
2854 /* graphic position and size values for buttons and scrollbars */
2855 #define SC_SCROLLBUTTON_XSIZE           32
2856 #define SC_SCROLLBUTTON_YSIZE           32
2857
2858 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2859 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2860 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2861 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2862 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2863 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2864 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2865 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2866
2867 #define SC_BORDER_SIZE                  14
2868
2869 static struct
2870 {
2871   int gfx_unpressed, gfx_pressed;
2872   int x, y;
2873   int gadget_id;
2874   char *infotext;
2875 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2876 {
2877   {
2878     IMG_ARROW_BLUE_UP, IMG_ARROW_RED_UP,
2879     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2880     SCREEN_CTRL_ID_SCROLL_UP,
2881     "scroll up"
2882   },
2883   {
2884     IMG_ARROW_BLUE_DOWN, IMG_ARROW_RED_DOWN,
2885     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2886     SCREEN_CTRL_ID_SCROLL_DOWN,
2887     "scroll down"
2888   }
2889 };
2890
2891 static struct
2892 {
2893 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2894   Bitmap **gfx_unpressed, **gfx_pressed;
2895 #else
2896   int gfx_unpressed, gfx_pressed;
2897 #endif
2898   int x, y;
2899   int width, height;
2900   int type;
2901   int gadget_id;
2902   char *infotext;
2903 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2904 {
2905   {
2906 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2907     &scrollbar_bitmap[0], &scrollbar_bitmap[1],
2908 #else
2909     IMG_SCROLLBAR_BLUE, IMG_SCROLLBAR_RED,
2910 #endif
2911     SX + SC_SCROLL_VERTICAL_XPOS, SY + SC_SCROLL_VERTICAL_YPOS,
2912     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2913     GD_TYPE_SCROLLBAR_VERTICAL,
2914     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2915     "scroll level series vertically"
2916   }
2917 };
2918
2919 static void CreateScreenScrollbuttons()
2920 {
2921   struct GadgetInfo *gi;
2922   unsigned long event_mask;
2923   int i;
2924
2925   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2926   {
2927     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2928     int gfx_unpressed, gfx_pressed;
2929     int x, y, width, height;
2930     int gd_x1, gd_x2, gd_y1, gd_y2;
2931     int id = scrollbutton_info[i].gadget_id;
2932
2933     x = scrollbutton_info[i].x;
2934     y = scrollbutton_info[i].y;
2935
2936     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2937
2938     x += SX;
2939     y += SY;
2940     width = SC_SCROLLBUTTON_XSIZE;
2941     height = SC_SCROLLBUTTON_YSIZE;
2942
2943     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2944     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2945     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2946     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2947     gd_x1 = graphic_info[gfx_unpressed].src_x;
2948     gd_y1 = graphic_info[gfx_unpressed].src_y;
2949     gd_x2 = graphic_info[gfx_pressed].src_x;
2950     gd_y2 = graphic_info[gfx_pressed].src_y;
2951
2952     gi = CreateGadget(GDI_CUSTOM_ID, id,
2953                       GDI_CUSTOM_TYPE_ID, i,
2954                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2955                       GDI_X, x,
2956                       GDI_Y, y,
2957                       GDI_WIDTH, width,
2958                       GDI_HEIGHT, height,
2959                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2960                       GDI_STATE, GD_BUTTON_UNPRESSED,
2961                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2962                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2963                       GDI_EVENT_MASK, event_mask,
2964                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2965                       GDI_END);
2966
2967     if (gi == NULL)
2968       Error(ERR_EXIT, "cannot create gadget");
2969
2970     screen_gadget[id] = gi;
2971   }
2972 }
2973
2974 static void CreateScreenScrollbars()
2975 {
2976   int i;
2977
2978   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2979   {
2980     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2981 #if !defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2982     int gfx_unpressed, gfx_pressed;
2983 #endif
2984     int gd_x1, gd_x2, gd_y1, gd_y2;
2985     struct GadgetInfo *gi;
2986     int items_max, items_visible, item_position;
2987     unsigned long event_mask;
2988     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2989     int id = scrollbar_info[i].gadget_id;
2990
2991     items_max = num_page_entries;
2992     items_visible = num_page_entries;
2993     item_position = 0;
2994
2995     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2996
2997 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2998     gd_bitmap_unpressed = *scrollbar_info[i].gfx_unpressed;
2999     gd_bitmap_pressed   = *scrollbar_info[i].gfx_pressed;
3000     gd_x1 = 0;
3001     gd_y1 = 0;
3002     gd_x2 = 0;
3003     gd_y2 = 0;
3004 #else
3005     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
3006     gfx_pressed   = scrollbar_info[i].gfx_pressed;
3007     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
3008     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
3009     gd_x1 = graphic_info[gfx_unpressed].src_x;
3010     gd_y1 = graphic_info[gfx_unpressed].src_y;
3011     gd_x2 = graphic_info[gfx_pressed].src_x;
3012     gd_y2 = graphic_info[gfx_pressed].src_y;
3013 #endif
3014
3015     gi = CreateGadget(GDI_CUSTOM_ID, id,
3016                       GDI_CUSTOM_TYPE_ID, i,
3017                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3018                       GDI_X, scrollbar_info[i].x,
3019                       GDI_Y, scrollbar_info[i].y,
3020                       GDI_WIDTH, scrollbar_info[i].width,
3021                       GDI_HEIGHT, scrollbar_info[i].height,
3022                       GDI_TYPE, scrollbar_info[i].type,
3023                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3024                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3025                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3026                       GDI_STATE, GD_BUTTON_UNPRESSED,
3027                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
3028                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
3029                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
3030                       GDI_EVENT_MASK, event_mask,
3031                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
3032                       GDI_END);
3033
3034     if (gi == NULL)
3035       Error(ERR_EXIT, "cannot create gadget");
3036
3037     screen_gadget[id] = gi;
3038   }
3039 }
3040
3041 void CreateScreenGadgets()
3042 {
3043 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3044   int i;
3045
3046   for (i=0; i<4; i++)
3047   {
3048     scrollbar_bitmap[i] = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
3049
3050     /* copy pointers to clip mask and GC */
3051     scrollbar_bitmap[i]->clip_mask =
3052       graphic_info[IMG_SCROLLBAR_BLUE + i].clip_mask;
3053     scrollbar_bitmap[i]->stored_clip_gc =
3054       graphic_info[IMG_SCROLLBAR_BLUE + i].clip_gc;
3055
3056     BlitBitmap(graphic_info[IMG_SCROLLBAR_BLUE + i].bitmap,
3057                scrollbar_bitmap[i],
3058                graphic_info[IMG_SCROLLBAR_BLUE + i].src_x,
3059                graphic_info[IMG_SCROLLBAR_BLUE + i].src_y,
3060                TILEX, TILEY, 0, 0);
3061   }
3062 #endif
3063
3064   CreateScreenScrollbuttons();
3065   CreateScreenScrollbars();
3066 }
3067
3068 void FreeScreenGadgets()
3069 {
3070   int i;
3071
3072 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3073   for (i=0; i<4; i++)
3074   {
3075     /* prevent freeing clip mask and GC twice */
3076     scrollbar_bitmap[i]->clip_mask = None;
3077     scrollbar_bitmap[i]->stored_clip_gc = None;
3078
3079     FreeBitmap(scrollbar_bitmap[i]);
3080   }
3081 #endif
3082
3083   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3084     FreeGadget(screen_gadget[i]);
3085 }
3086
3087 void MapChooseTreeGadgets(TreeInfo *ti)
3088 {
3089   int num_entries = numTreeInfoInGroup(ti);
3090   int i;
3091
3092   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
3093     return;
3094
3095   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3096     MapGadget(screen_gadget[i]);
3097 }
3098
3099 void UnmapChooseTreeGadgets()
3100 {
3101   int i;
3102
3103   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3104     UnmapGadget(screen_gadget[i]);
3105 }
3106
3107 static void HandleScreenGadgets(struct GadgetInfo *gi)
3108 {
3109   int id = gi->custom_id;
3110
3111   if (game_status != CHOOSELEVEL && game_status != SETUP)
3112     return;
3113
3114   switch (id)
3115   {
3116     case SCREEN_CTRL_ID_SCROLL_UP:
3117       if (game_status == CHOOSELEVEL)
3118         HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
3119       else if (game_status == SETUP)
3120         HandleSetupScreen(SX,SY + 32, 0,0, MB_MENU_MARK);
3121       break;
3122
3123     case SCREEN_CTRL_ID_SCROLL_DOWN:
3124       if (game_status == CHOOSELEVEL)
3125         HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
3126       else if (game_status == SETUP)
3127         HandleSetupScreen(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
3128       break;
3129
3130     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
3131       if (game_status == CHOOSELEVEL)
3132         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3133       else if (game_status == SETUP)
3134         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3135       break;
3136
3137     default:
3138       break;
3139   }
3140 }