src/screens.c

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