src/screens.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2001 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_INPUT                1
  30 #define SETUP_MODE_SHORTCUT             2
  31 #define SETUP_MODE_GRAPHICS             3
  32 #define SETUP_MODE_SOUND                4
  33 #define SETUP_MODE_CHOOSE_GRAPHICS      5
  34 #define SETUP_MODE_CHOOSE_SOUNDS        6
  35 #define SETUP_MODE_CHOOSE_MUSIC         7
  36
  37 #define MAX_SETUP_MODES                 8
  38
  39 /* for input setup functions */
  40 #define SETUPINPUT_SCREEN_POS_START     0
  41 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  42 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  43 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  44
  45 /* for various menu stuff  */
  46 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - 2)
  47 #define MENU_SCREEN_START_YPOS          2
  48 #define MENU_SCREEN_VALUE_XPOS          14
  49
  50 /* buttons and scrollbars identifiers */
  51 #define SCREEN_CTRL_ID_SCROLL_UP        0
  52 #define SCREEN_CTRL_ID_SCROLL_DOWN      1
  53 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  2
  54
  55 #define NUM_SCREEN_SCROLLBUTTONS        2
  56 #define NUM_SCREEN_SCROLLBARS           1
  57 #define NUM_SCREEN_GADGETS              3
  58
  59 /* forward declarations of internal functions */
  60 static void HandleScreenGadgets(struct GadgetInfo *);
  61 static void execExitSetupChooseArtwork(void);
  62 static void HandleSetupScreen_Generic(int, int, int, int, int);
  63 static void HandleSetupScreen_Input(int, int, int, int, int);
  64 static void CustomizeKeyboard(int);
  65 static void CalibrateJoystick(int);
  66 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
  67
  68 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
  69 static int setup_mode = SETUP_MODE_MAIN;
  70
  71 static void drawCursorExt(int pos, int color, int graphic)
  72 {
  73   static int cursor_array[SCR_FIELDY];
  74
  75   if (graphic)
  76     cursor_array[pos] = graphic;
  77
  78   graphic = cursor_array[pos];
  79
  80   if (color == FC_RED)
  81     graphic = (graphic == GFX_ARROW_BLUE_LEFT  ? GFX_ARROW_RED_LEFT  :
  82                graphic == GFX_ARROW_BLUE_RIGHT ? GFX_ARROW_RED_RIGHT :
  83                GFX_KUGEL_ROT);
  84
  85   DrawGraphic(0, MENU_SCREEN_START_YPOS + pos, graphic);
  86 }
  87
  88 static void initCursor(int pos, int graphic)
  89 {
  90   drawCursorExt(pos, FC_BLUE, graphic);
  91 }
  92
  93 static void drawCursor(int pos, int color)
  94 {
  95   drawCursorExt(pos, color, 0);
  96 }
  97
  98 void DrawHeadline()
  99 {
 100   int x = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING) * FONT1_XSIZE) / 2;
 101
 102   DrawText(x, SY + 8, PROGRAM_TITLE_STRING, FS_BIG, FC_YELLOW);
 103   DrawTextFCentered(46, FC_RED, WINDOW_SUBTITLE_STRING);
 104 }
 105
 106 static void ToggleFullscreenIfNeeded()
 107 {
 108   if (setup.fullscreen != video.fullscreen_enabled)
 109   {
 110     /* save old door content */
 111     BlitBitmap(backbuffer, pix[PIX_DB_DOOR],
 112                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 113
 114     /* toggle fullscreen */
 115     ChangeVideoModeIfNeeded(setup.fullscreen);
 116     setup.fullscreen = video.fullscreen_enabled;
 117
 118     /* redraw background to newly created backbuffer */
 119     BlitBitmap(pix[PIX_BACK], backbuffer, 0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 120
 121     /* restore old door content */
 122     BlitBitmap(pix[PIX_DB_DOOR], backbuffer,
 123                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 124
 125     redraw_mask = REDRAW_ALL;
 126   }
 127 }
 128
 129 void DrawMainMenu()
 130 {
 131   static LevelDirTree *leveldir_last_valid = NULL;
 132   int i;
 133   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 134
 135   UnmapAllGadgets();
 136   FadeSounds();
 137   KeyboardAutoRepeatOn();
 138   ActivateJoystick();
 139   SetDrawDeactivationMask(REDRAW_NONE);
 140   audio.sound_deactivated = FALSE;
 141
 142   /* needed if last screen was the playing screen, invoked from level editor */
 143   if (level_editor_test_game)
 144   {
 145     game_status = LEVELED;
 146     DrawLevelEd();
 147     return;
 148   }
 149
 150   /* needed if last screen was the editor screen */
 151   UndrawSpecialEditorDoor();
 152
 153   /* needed if last screen was the setup screen and fullscreen state changed */
 154   ToggleFullscreenIfNeeded();
 155
 156   /* needed if last screen (setup/level) changed graphics, sounds or music */
 157   ReloadCustomArtwork();
 158
 159 #ifdef TARGET_SDL
 160   SetDrawtoField(DRAW_BACKBUFFER);
 161 #endif
 162
 163   /* map gadgets for main menu screen */
 164   MapTapeButtons();
 165
 166   /* leveldir_current may be invalid (level group, parent link) */
 167   if (!validLevelSeries(leveldir_current))
 168     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 169
 170   /* store valid level series information */
 171   leveldir_last_valid = leveldir_current;
 172
 173   /* level_nr may have been set to value over handicap with level editor */
 174   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 175     level_nr = leveldir_current->handicap_level;
 176
 177   GetPlayerConfig();
 178   LoadLevel(level_nr);
 179
 180   ClearWindow();
 181   DrawHeadline();
 182   DrawText(SX + 32,    SY + 2*32, name_text, FS_BIG, FC_GREEN);
 183   DrawText(SX + 6*32,  SY + 2*32, setup.player_name, FS_BIG, FC_RED);
 184   DrawText(SX + 32,    SY + 3*32, "Level:", FS_BIG, FC_GREEN);
 185   DrawText(SX + 11*32, SY + 3*32, int2str(level_nr,3), FS_BIG,
 186            (leveldir_current->readonly ? FC_RED : FC_YELLOW));
 187   DrawText(SX + 32,    SY + 4*32, "Hall Of Fame", FS_BIG, FC_GREEN);
 188   DrawText(SX + 32,    SY + 5*32, "Level Creator", FS_BIG, FC_GREEN);
 189   DrawText(SY + 32,    SY + 6*32, "Info Screen", FS_BIG, FC_GREEN);
 190   DrawText(SX + 32,    SY + 7*32, "Start Game", FS_BIG, FC_GREEN);
 191   DrawText(SX + 32,    SY + 8*32, "Setup", FS_BIG, FC_GREEN);
 192   DrawText(SX + 32,    SY + 9*32, "Quit", FS_BIG, FC_GREEN);
 193
 194   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 195
 196   DrawTextF(7*32 + 6, 3*32 + 9, FC_RED, "%d-%d",
 197             leveldir_current->first_level,
 198             leveldir_current->last_level);
 199
 200   if (leveldir_current->readonly)
 201   {
 202     DrawTextF(15*32 + 6, 3*32 + 9 - 7, FC_RED, "READ");
 203     DrawTextF(15*32 + 6, 3*32 + 9 + 7, FC_RED, "ONLY");
 204   }
 205
 206   for(i=0; i<8; i++)
 207     initCursor(i, (i == 1 || i == 6 ? GFX_ARROW_BLUE_RIGHT : GFX_KUGEL_BLAU));
 208
 209   DrawGraphic(10, 3, GFX_ARROW_BLUE_LEFT);
 210   DrawGraphic(14, 3, GFX_ARROW_BLUE_RIGHT);
 211
 212   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment",
 213            FS_SMALL, FC_RED);
 214
 215   if (leveldir_current->name)
 216   {
 217     int len = strlen(leveldir_current->name);
 218     int lxpos = SX + (SXSIZE - len * FONT4_XSIZE) / 2;
 219     int lypos = SY + 352;
 220
 221     DrawText(lxpos, lypos, leveldir_current->name, FS_SMALL, FC_SPECIAL2);
 222   }
 223
 224   FadeToFront();
 225   InitAnimation();
 226   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 227
 228   TapeStop();
 229   if (TAPE_IS_EMPTY(tape))
 230     LoadTape(level_nr);
 231   DrawCompleteVideoDisplay();
 232
 233   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 234
 235 #if 0
 236   ClearEventQueue();
 237 #endif
 238 }
 239
 240 static void gotoTopLevelDir()
 241 {
 242   /* move upwards to top level directory */
 243   while (leveldir_current->node_parent)
 244   {
 245     /* write a "path" into level tree for easy navigation to last level */
 246     if (leveldir_current->node_parent->node_group->cl_first == -1)
 247     {
 248       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 249       int leveldir_pos = posTreeInfo(leveldir_current);
 250       int num_page_entries;
 251       int cl_first, cl_cursor;
 252
 253       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 254         num_page_entries = num_leveldirs;
 255       else
 256         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 257
 258       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 259       cl_cursor = leveldir_pos - cl_first;
 260
 261       leveldir_current->node_parent->node_group->cl_first = cl_first;
 262       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 263     }
 264
 265     leveldir_current = leveldir_current->node_parent;
 266   }
 267 }
 268
 269 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 270 {
 271   static int choice = 0;
 272   int x = 0;
 273   int y = choice;
 274
 275   if (button == MB_MENU_INITIALIZE)
 276   {
 277     drawCursor(choice, FC_RED);
 278     return;
 279   }
 280
 281   if (mx || my)         /* mouse input */
 282   {
 283     x = (mx - SX) / 32;
 284     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
 285   }
 286   else if (dx || dy)    /* keyboard input */
 287   {
 288     if (dx && choice == 1)
 289       x = (dx < 0 ? 10 : 14);
 290     else if (dy)
 291       y = choice + dy;
 292   }
 293
 294   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 295                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 296       button)
 297   {
 298     static unsigned long level_delay = 0;
 299     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 300     int new_level_nr, old_level_nr = level_nr;
 301     int font_color = (leveldir_current->readonly ? FC_RED : FC_YELLOW);
 302
 303     new_level_nr = level_nr + (x == 10 ? -step : +step);
 304     if (new_level_nr < leveldir_current->first_level)
 305       new_level_nr = leveldir_current->first_level;
 306     if (new_level_nr > leveldir_current->last_level)
 307       new_level_nr = leveldir_current->last_level;
 308
 309     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 310       new_level_nr = leveldir_current->handicap_level;
 311
 312     if (old_level_nr == new_level_nr ||
 313         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 314       goto out;
 315
 316     level_nr = new_level_nr;
 317
 318     DrawTextExt(drawto, SX + 11 * 32, SY + 3 * 32,
 319                 int2str(level_nr, 3), FS_BIG, font_color);
 320     DrawTextExt(window, SX + 11 * 32, SY + 3 * 32,
 321                 int2str(level_nr, 3), FS_BIG, font_color);
 322
 323     LoadLevel(level_nr);
 324     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 325
 326     TapeErase();
 327     LoadTape(level_nr);
 328     DrawCompleteVideoDisplay();
 329
 330     /* needed because DrawMicroLevel() takes some time */
 331     BackToFront();
 332     SyncDisplay();
 333     DelayReached(&level_delay, 0);      /* reset delay counter */
 334   }
 335   else if (x == 0 && y >= 0 && y <= 7)
 336   {
 337     if (button)
 338     {
 339       if (y != choice)
 340       {
 341         drawCursor(y, FC_RED);
 342         drawCursor(choice, FC_BLUE);
 343         choice = y;
 344       }
 345     }
 346     else
 347     {
 348       if (y == 0)
 349       {
 350         game_status = TYPENAME;
 351         HandleTypeName(strlen(setup.player_name), 0);
 352       }
 353       else if (y == 1)
 354       {
 355         if (leveldir_first)
 356         {
 357           game_status = CHOOSELEVEL;
 358           SaveLevelSetup_LastSeries();
 359           SaveLevelSetup_SeriesInfo();
 360
 361           gotoTopLevelDir();
 362
 363           DrawChooseLevel();
 364         }
 365       }
 366       else if (y == 2)
 367       {
 368         game_status = HALLOFFAME;
 369         DrawHallOfFame(-1);
 370       }
 371       else if (y == 3)
 372       {
 373         if (leveldir_current->readonly &&
 374             strcmp(setup.player_name, "Artsoft") != 0)
 375           Request("This level is read only !", REQ_CONFIRM);
 376         game_status = LEVELED;
 377         DrawLevelEd();
 378       }
 379       else if (y == 4)
 380       {
 381         game_status = HELPSCREEN;
 382         DrawHelpScreen();
 383       }
 384       else if (y == 5)
 385       {
 386         if (setup.autorecord)
 387           TapeStartRecording();
 388
 389 #if defined(PLATFORM_UNIX)
 390         if (options.network)
 391           SendToServer_StartPlaying();
 392         else
 393 #endif
 394         {
 395           game_status = PLAYING;
 396           StopAnimation();
 397           InitGame();
 398         }
 399       }
 400       else if (y == 6)
 401       {
 402         game_status = SETUP;
 403         setup_mode = SETUP_MODE_MAIN;
 404         DrawSetupScreen();
 405       }
 406       else if (y == 7)
 407       {
 408         SaveLevelSetup_LastSeries();
 409         SaveLevelSetup_SeriesInfo();
 410         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 411           game_status = EXITGAME;
 412       }
 413     }
 414   }
 415
 416   BackToFront();
 417
 418   out:
 419
 420   if (game_status == MAINMENU)
 421   {
 422     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 423     DoAnimation();
 424   }
 425 }
 426
 427
 428 #define MAX_HELPSCREEN_ELS      10
 429 #define HA_NEXT                 -999
 430 #define HA_END                  -1000
 431
 432 static long helpscreen_state;
 433 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 434 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 435 static int helpscreen_delay[MAX_HELPSCREEN_ELS];
 436 static int helpscreen_action[] =
 437 {
 438   GFX_SPIELER1_DOWN,4,2,
 439   GFX_SPIELER1_UP,4,2,
 440   GFX_SPIELER1_LEFT,4,2,
 441   GFX_SPIELER1_RIGHT,4,2,
 442   GFX_SPIELER1_PUSH_LEFT,4,2,
 443   GFX_SPIELER1_PUSH_RIGHT,4,2,                                  HA_NEXT,
 444   GFX_ERDREICH,1,100,                                           HA_NEXT,
 445   GFX_LEERRAUM,1,100,                                           HA_NEXT,
 446   GFX_MORAST_LEER,1,100,                                        HA_NEXT,
 447   GFX_BETON,1,100,                                              HA_NEXT,
 448   GFX_MAUERWERK,1,100,                                          HA_NEXT,
 449   GFX_MAUER_L1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 450   GFX_MAUER_R1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 451   GFX_MAUER_UP,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 452   GFX_MAUER_DOWN,3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,    HA_NEXT,
 453   GFX_UNSICHTBAR,1,100,                                         HA_NEXT,
 454   GFX_FELSBODEN,1,100,                                          HA_NEXT,
 455   GFX_CHAR_A,30,4, GFX_CHAR_AUSRUF,32,4,                        HA_NEXT,
 456   GFX_EDELSTEIN,2,5,                                            HA_NEXT,
 457   GFX_DIAMANT,2,5,                                              HA_NEXT,
 458   GFX_EDELSTEIN_BD,2,5,                                         HA_NEXT,
 459   GFX_EDELSTEIN_GELB,2,5, GFX_EDELSTEIN_ROT,2,5,
 460   GFX_EDELSTEIN_LILA,2,5,                                       HA_NEXT,
 461   GFX_FELSBROCKEN,4,5,                                          HA_NEXT,
 462   GFX_BOMBE,1,50, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,         HA_NEXT,
 463   GFX_KOKOSNUSS,1,50, GFX_CRACKINGNUT,3,1, GFX_EDELSTEIN,1,10,  HA_NEXT,
 464   GFX_ERZ_EDEL,1,50, GFX_EXPLOSION,8,1, GFX_EDELSTEIN,1,10,     HA_NEXT,
 465   GFX_ERZ_DIAM,1,50, GFX_EXPLOSION,8,1, GFX_DIAMANT,1,10,       HA_NEXT,
 466   GFX_ERZ_EDEL_BD,1,50, GFX_EXPLOSION,8,1,GFX_EDELSTEIN_BD,1,10,HA_NEXT,
 467   GFX_ERZ_EDEL_GELB,1,50, GFX_EXPLOSION,8,1,
 468   GFX_EDELSTEIN_GELB,1,10, GFX_ERZ_EDEL_ROT,1,50,
 469   GFX_EXPLOSION,8,1, GFX_EDELSTEIN_ROT,1,10,
 470   GFX_ERZ_EDEL_LILA,1,50, GFX_EXPLOSION,8,1,
 471   GFX_EDELSTEIN_LILA,1,10,                                      HA_NEXT,
 472   GFX_GEBLUBBER,4,4,                                            HA_NEXT,
 473   GFX_SCHLUESSEL1,4,25,                                         HA_NEXT,
 474   GFX_PFORTE1,4,25,                                             HA_NEXT,
 475   GFX_PFORTE1X,4,25,                                            HA_NEXT,
 476   GFX_DYNAMIT_AUS,1,100,                                        HA_NEXT,
 477   GFX_DYNAMIT,7,6, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,        HA_NEXT,
 478   GFX_DYNABOMB+0,4,3, GFX_DYNABOMB+3,1,3, GFX_DYNABOMB+2,1,3,
 479   GFX_DYNABOMB+1,1,3, GFX_DYNABOMB+0,1,3, GFX_EXPLOSION,8,1,
 480   GFX_LEERRAUM,1,10,                                            HA_NEXT,
 481   GFX_DYNABOMB_NR,1,100,                                        HA_NEXT,
 482   GFX_DYNABOMB_SZ,1,100,                                        HA_NEXT,
 483   GFX_FLIEGER+4,1,3, GFX_FLIEGER+0,1,3, GFX_FLIEGER+4,1,3,
 484   GFX_FLIEGER+5,1,3, GFX_FLIEGER+1,1,3, GFX_FLIEGER+5,1,3,
 485   GFX_FLIEGER+6,1,3, GFX_FLIEGER+2,1,3, GFX_FLIEGER+6,1,3,
 486   GFX_FLIEGER+7,1,3, GFX_FLIEGER+3,1,3, GFX_FLIEGER+7,1,3,      HA_NEXT,
 487   GFX_KAEFER+4,1,1, GFX_KAEFER+0,1,1, GFX_KAEFER+4,1,1,
 488   GFX_KAEFER+5,1,1, GFX_KAEFER+1,1,1, GFX_KAEFER+5,1,1,
 489   GFX_KAEFER+6,1,1, GFX_KAEFER+2,1,1, GFX_KAEFER+6,1,1,
 490   GFX_KAEFER+7,1,1, GFX_KAEFER+3,1,1, GFX_KAEFER+7,1,1,         HA_NEXT,
 491   GFX_BUTTERFLY,2,2,                                            HA_NEXT,
 492   GFX_FIREFLY,2,2,                                              HA_NEXT,
 493   GFX_PACMAN+0,1,3, GFX_PACMAN+4,1,2, GFX_PACMAN+0,1,3,
 494   GFX_PACMAN+1,1,3, GFX_PACMAN+5,1,2, GFX_PACMAN+1,1,3,
 495   GFX_PACMAN+2,1,3, GFX_PACMAN+6,1,2, GFX_PACMAN+2,1,3,
 496   GFX_PACMAN+3,1,3, GFX_PACMAN+7,1,2, GFX_PACMAN+3,1,3,         HA_NEXT,
 497   GFX_MAMPFER+0,4,1, GFX_MAMPFER+3,1,1, GFX_MAMPFER+2,1,1,
 498   GFX_MAMPFER+1,1,1, GFX_MAMPFER+0,1,1,                         HA_NEXT,
 499   GFX_MAMPFER2+0,4,1, GFX_MAMPFER2+3,1,1, GFX_MAMPFER2+2,1,1,
 500   GFX_MAMPFER2+1,1,1, GFX_MAMPFER2+0,1,1,                       HA_NEXT,
 501   GFX_ROBOT+0,4,1, GFX_ROBOT+3,1,1, GFX_ROBOT+2,1,1,
 502   GFX_ROBOT+1,1,1, GFX_ROBOT+0,1,1,                             HA_NEXT,
 503   GFX_MOLE_DOWN,4,2,
 504   GFX_MOLE_UP,4,2,
 505   GFX_MOLE_LEFT,4,2,
 506   GFX_MOLE_RIGHT,4,2,                                           HA_NEXT,
 507   GFX_PINGUIN_DOWN,4,2,
 508   GFX_PINGUIN_UP,4,2,
 509   GFX_PINGUIN_LEFT,4,2,
 510   GFX_PINGUIN_RIGHT,4,2,                                        HA_NEXT,
 511   GFX_SCHWEIN_DOWN,4,2,
 512   GFX_SCHWEIN_UP,4,2,
 513   GFX_SCHWEIN_LEFT,4,2,
 514   GFX_SCHWEIN_RIGHT,4,2,                                        HA_NEXT,
 515   GFX_DRACHE_DOWN,4,2,
 516   GFX_DRACHE_UP,4,2,
 517   GFX_DRACHE_LEFT,4,2,
 518   GFX_DRACHE_RIGHT,4,2,                                         HA_NEXT,
 519   GFX_SONDE_START,8,1,                                          HA_NEXT,
 520   GFX_ABLENK,4,1,                                               HA_NEXT,
 521   GFX_BIRNE_AUS,1,25, GFX_BIRNE_EIN,1,25,                       HA_NEXT,
 522   GFX_ZEIT_VOLL,1,25, GFX_ZEIT_LEER,1,25,                       HA_NEXT,
 523   GFX_TROPFEN,1,25, GFX_AMOEBING,4,1, GFX_AMOEBE_LEBT,1,10,     HA_NEXT,
 524   GFX_AMOEBE_TOT+2,2,50, GFX_AMOEBE_TOT,2,50,                   HA_NEXT,
 525   GFX_AMOEBE_LEBT,4,40,                                         HA_NEXT,
 526   GFX_AMOEBE_LEBT,1,10, GFX_AMOEBING,4,2,                       HA_NEXT,
 527   GFX_AMOEBE_LEBT,1,25, GFX_AMOEBE_TOT,1,25, GFX_EXPLOSION,8,1,
 528   GFX_DIAMANT,1,10,                                             HA_NEXT,
 529   GFX_LIFE,1,100,                                               HA_NEXT,
 530   GFX_LIFE_ASYNC,1,100,                                         HA_NEXT,
 531   GFX_MAGIC_WALL_OFF,4,2,                                       HA_NEXT,
 532   GFX_MAGIC_WALL_BD_OFF,4,2,                                    HA_NEXT,
 533   GFX_AUSGANG_ZU,1,100, GFX_AUSGANG_ACT,4,2,
 534   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 535   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 536   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 537   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 538   GFX_SOKOBAN_OBJEKT,1,100,                                     HA_NEXT,
 539   GFX_SOKOBAN_FELD_LEER,1,100,                                  HA_NEXT,
 540   GFX_SOKOBAN_FELD_VOLL,1,100,                                  HA_NEXT,
 541   GFX_SPEED_PILL,1,100,                                         HA_NEXT,
 542   HA_END
 543 };
 544 static char *helpscreen_eltext[][2] =
 545 {
 546  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 547  {"Normal sand:",                       "You can dig through it"},
 548  {"Empty field:",                       "You can walk through it"},
 549  {"Quicksand: You cannot pass it,",     "but rocks can fall though it"},
 550  {"Massive Wall:",                      "Nothing can go through it"},
 551  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 552  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 553  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 554  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 555  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 556  {"Emerald: You must collect enough of","them to finish a level"},
 557  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 558  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 559  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 560  {"Rock: Smashes several things;",      "Can be moved by the player"},
 561  {"Bomb: You can move it, but be",      "careful when dropping it"},
 562  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 563  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 564  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 565  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 566  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 567  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 568  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 569  {"Door: Can be opened by the key",     "with the same color"},
 570  {"Door: You have to find out the",     "right color of the key for it"},
 571  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 572  {"Dynamite: This one explodes after",  "a few seconds"},
 573  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 574  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 575  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 576  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 577  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 578  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 579  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 580  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 581  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 582  {"Cruncher (BD style):",               "Eats almost everything"},
 583  {"Robot: Tries to kill the player",    ""},
 584  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 585  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 586  {"The Pig: Harmless, but eats all",    "gems it can get"},
 587  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 588  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 589  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 590  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 591  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 592  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 593  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 594  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 595  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 596  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 597  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 598  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 599  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 600  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 601  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 602  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 603  {"Sokoban element: Object which must", "be pushed to an empty field"},
 604  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 605  {"Sokoban element: Field with object", "which can be pushed away"},
 606  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 607 };
 608 static int num_helpscreen_els = sizeof(helpscreen_eltext)/(2*sizeof(char *));
 609
 610 static char *helpscreen_music[][3] =
 611 {
 612   { "Alchemy",                  "Ian Boddy",            "Drive" },
 613   { "The Chase",                "Propaganda",           "A Secret Wish" },
 614   { "Network 23",               "Tangerine Dream",      "Exit" },
 615   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 616   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 617   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 618   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 619 };
 620 static int num_helpscreen_music = 7;
 621 static int helpscreen_musicpos;
 622
 623 void DrawHelpScreenElAction(int start)
 624 {
 625   int i = 0, j = 0;
 626   int frame, graphic;
 627   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 628
 629   while(helpscreen_action[j] != HA_END)
 630   {
 631     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 632       break;
 633     else if (i<start || helpscreen_delay[i-start])
 634     {
 635       if (i>=start && helpscreen_delay[i-start])
 636         helpscreen_delay[i-start]--;
 637
 638       while(helpscreen_action[j] != HA_NEXT)
 639         j++;
 640       j++;
 641       i++;
 642       continue;
 643     }
 644
 645     j += 3*helpscreen_step[i-start];
 646     graphic = helpscreen_action[j++];
 647
 648     if (helpscreen_frame[i-start])
 649     {
 650       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 651       helpscreen_frame[i-start]--;
 652     }
 653     else
 654     {
 655       frame = 0;
 656       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 657     }
 658
 659     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 660
 661     if (helpscreen_action[j] == HA_NEXT)
 662     {
 663       if (!helpscreen_frame[i-start])
 664         helpscreen_step[i-start] = 0;
 665     }
 666     else
 667     {
 668       if (!helpscreen_frame[i-start])
 669         helpscreen_step[i-start]++;
 670       while(helpscreen_action[j] != HA_NEXT)
 671         j++;
 672     }
 673     j++;
 674
 675     DrawGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 676     i++;
 677   }
 678
 679   for(i=2;i<16;i++)
 680   {
 681     MarkTileDirty(0,i);
 682     MarkTileDirty(1,i);
 683   }
 684 }
 685
 686 void DrawHelpScreenElText(int start)
 687 {
 688   int i;
 689   int xstart = SX + 56, ystart = SY + 65 + 2 * 32, ystep = TILEY + 4;
 690   int ybottom = SYSIZE - 20;
 691
 692   ClearWindow();
 693   DrawHeadline();
 694
 695   DrawTextFCentered(100, FC_GREEN, "The game elements:");
 696
 697   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
 698   {
 699     DrawText(xstart,
 700              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
 701              helpscreen_eltext[i][0], FS_SMALL, FC_YELLOW);
 702     DrawText(xstart, ystart + (i - start) * ystep + 16,
 703              helpscreen_eltext[i][1], FS_SMALL, FC_YELLOW);
 704   }
 705
 706   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 707 }
 708
 709 void DrawHelpScreenMusicText(int num)
 710 {
 711   int ystart = 150, ystep = 30;
 712   int ybottom = SYSIZE - 20;
 713
 714   FadeSounds();
 715   ClearWindow();
 716   DrawHeadline();
 717
 718   DrawTextFCentered(100, FC_GREEN, "The game background music loops:");
 719
 720   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 721                     "Excerpt from");
 722   DrawTextFCentered(ystart + 1 * ystep, FC_RED, "\"%s\"",
 723                     helpscreen_music[num][0]);
 724   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 725                     "by");
 726   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 727                     "%s", helpscreen_music[num][1]);
 728   DrawTextFCentered(ystart + 4 * ystep, FC_YELLOW,
 729                     "from the album");
 730   DrawTextFCentered(ystart + 5 * ystep, FC_RED, "\"%s\"",
 731                     helpscreen_music[num][2]);
 732
 733   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 734
 735 #if 0
 736   PlaySoundLoop(background_loop[num]);
 737 #endif
 738 }
 739
 740 void DrawHelpScreenCreditsText()
 741 {
 742   int ystart = 150, ystep = 30;
 743   int ybottom = SYSIZE - 20;
 744
 745   FadeSounds();
 746   ClearWindow();
 747   DrawHeadline();
 748
 749   DrawTextFCentered(100, FC_GREEN,
 750                     "Credits:");
 751   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 752                     "DOS port of the game:");
 753   DrawTextFCentered(ystart + 1 * ystep, FC_RED,
 754                     "Guido Schulz");
 755   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 756                     "Additional toons:");
 757   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 758                     "Karl Hörnell");
 759   DrawTextFCentered(ystart + 5 * ystep, FC_YELLOW,
 760                     "...and many thanks to all contributors");
 761   DrawTextFCentered(ystart + 6 * ystep, FC_YELLOW,
 762                     "of new levels!");
 763
 764   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 765 }
 766
 767 void DrawHelpScreenContactText()
 768 {
 769   int ystart = 150, ystep = 30;
 770   int ybottom = SYSIZE - 20;
 771
 772   ClearWindow();
 773   DrawHeadline();
 774
 775   DrawTextFCentered(100, FC_GREEN, "Program information:");
 776
 777   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 778                     "This game is Freeware!");
 779   DrawTextFCentered(ystart + 1 * ystep, FC_YELLOW,
 780                     "If you like it, send e-mail to:");
 781   DrawTextFCentered(ystart + 2 * ystep, FC_RED,
 782                     "info@artsoft.org");
 783   DrawTextFCentered(ystart + 3 * ystep, FC_YELLOW,
 784                     "or SnailMail to:");
 785   DrawTextFCentered(ystart + 4 * ystep + 0, FC_RED,
 786                     "Holger Schemel");
 787   DrawTextFCentered(ystart + 4 * ystep + 20, FC_RED,
 788                     "Detmolder Strasse 189");
 789   DrawTextFCentered(ystart + 4 * ystep + 40, FC_RED,
 790                     "33604 Bielefeld");
 791   DrawTextFCentered(ystart + 4 * ystep + 60, FC_RED,
 792                     "Germany");
 793
 794   DrawTextFCentered(ystart + 7 * ystep, FC_YELLOW,
 795                     "If you have created new levels,");
 796   DrawTextFCentered(ystart + 8 * ystep, FC_YELLOW,
 797                     "send them to me to include them!");
 798   DrawTextFCentered(ystart + 9 * ystep, FC_YELLOW,
 799                     ":-)");
 800
 801   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for main menu");
 802 }
 803
 804 void DrawHelpScreen()
 805 {
 806   int i;
 807
 808   UnmapAllGadgets();
 809   CloseDoor(DOOR_CLOSE_2);
 810
 811   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 812     helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 813   helpscreen_musicpos = 0;
 814   helpscreen_state = 0;
 815   DrawHelpScreenElText(0);
 816   DrawHelpScreenElAction(0);
 817
 818   FadeToFront();
 819   InitAnimation();
 820   PlaySoundLoop(SND_MENU_INFO_SCREEN);
 821 }
 822
 823 void HandleHelpScreen(int button)
 824 {
 825   static unsigned long hs_delay = 0;
 826   int num_helpscreen_els_pages =
 827     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
 828   int button_released = !button;
 829   int i;
 830
 831   if (button_released)
 832   {
 833     if (helpscreen_state < num_helpscreen_els_pages - 1)
 834     {
 835       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 836         helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 837       helpscreen_state++;
 838       DrawHelpScreenElText(helpscreen_state*MAX_HELPSCREEN_ELS);
 839       DrawHelpScreenElAction(helpscreen_state*MAX_HELPSCREEN_ELS);
 840     }
 841     else if (helpscreen_state <
 842              num_helpscreen_els_pages + num_helpscreen_music - 1)
 843     {
 844       helpscreen_state++;
 845       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
 846     }
 847     else if (helpscreen_state ==
 848              num_helpscreen_els_pages + num_helpscreen_music - 1)
 849     {
 850       helpscreen_state++;
 851       DrawHelpScreenCreditsText();
 852     }
 853     else if (helpscreen_state ==
 854              num_helpscreen_els_pages + num_helpscreen_music)
 855     {
 856       helpscreen_state++;
 857       DrawHelpScreenContactText();
 858     }
 859     else
 860     {
 861       FadeSounds();
 862       DrawMainMenu();
 863       game_status = MAINMENU;
 864     }
 865   }
 866   else
 867   {
 868     if (DelayReached(&hs_delay,GAME_FRAME_DELAY * 2))
 869     {
 870       if (helpscreen_state<num_helpscreen_els_pages)
 871         DrawHelpScreenElAction(helpscreen_state*MAX_HELPSCREEN_ELS);
 872     }
 873     DoAnimation();
 874   }
 875
 876   BackToFront();
 877 }
 878
 879 void HandleTypeName(int newxpos, Key key)
 880 {
 881   static int xpos = 0, ypos = 2;
 882
 883   if (newxpos)
 884   {
 885     xpos = newxpos;
 886     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_YELLOW);
 887     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 888     return;
 889   }
 890
 891   if (((key >= KSYM_A && key <= KSYM_Z) ||
 892        (key >= KSYM_a && key <= KSYM_z)) &&
 893       xpos < MAX_PLAYER_NAME_LEN)
 894   {
 895     char ascii;
 896
 897     if (key >= KSYM_A && key <= KSYM_Z)
 898       ascii = 'A' + (char)(key - KSYM_A);
 899     else
 900       ascii = 'a' + (char)(key - KSYM_a);
 901
 902     setup.player_name[xpos] = ascii;
 903     setup.player_name[xpos + 1] = 0;
 904     xpos++;
 905     DrawTextExt(drawto, SX + 6*32, SY + ypos*32,
 906                 setup.player_name, FS_BIG, FC_YELLOW);
 907     DrawTextExt(window, SX + 6*32, SY + ypos*32,
 908                 setup.player_name, FS_BIG, FC_YELLOW);
 909     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 910   }
 911   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
 912   {
 913     xpos--;
 914     setup.player_name[xpos] = 0;
 915     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 916     DrawGraphic(xpos + 7, ypos, GFX_LEERRAUM);
 917   }
 918   else if (key == KSYM_Return && xpos > 0)
 919   {
 920     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_RED);
 921     DrawGraphic(xpos + 6, ypos, GFX_LEERRAUM);
 922
 923     SaveSetup();
 924     game_status = MAINMENU;
 925   }
 926
 927   BackToFront();
 928 }
 929
 930 static void DrawChooseTree(TreeInfo **ti_ptr)
 931 {
 932   UnmapAllGadgets();
 933   CloseDoor(DOOR_CLOSE_2);
 934
 935   ClearWindow();
 936   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
 937   MapChooseTreeGadgets(*ti_ptr);
 938
 939   FadeToFront();
 940   InitAnimation();
 941 }
 942
 943 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
 944 {
 945   struct GadgetInfo *gi = screen_gadget[id];
 946   int items_max, items_visible, item_position;
 947
 948   items_max = numTreeInfoInGroup(ti);
 949   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 950   item_position = first_entry;
 951
 952   if (item_position > items_max - items_visible)
 953     item_position = items_max - items_visible;
 954
 955   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
 956                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
 957 }
 958
 959 static void drawChooseTreeList(int first_entry, int num_page_entries,
 960                                TreeInfo *ti)
 961 {
 962   int i;
 963   char buffer[SCR_FIELDX * 2];
 964   int max_buffer_len = (SCR_FIELDX - 2) * 2;
 965   int num_entries = numTreeInfoInGroup(ti);
 966   char *title_string = NULL;
 967   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
 968
 969   ClearRectangle(backbuffer, SX, SY, SXSIZE - 32, SYSIZE);
 970   redraw_mask |= REDRAW_FIELD;
 971
 972   title_string =
 973     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
 974      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
 975      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
 976      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
 977
 978   DrawText(SX + offset, SY + offset, title_string, FS_BIG,
 979            (ti->type == TREE_TYPE_LEVEL_DIR ? FC_GREEN : FC_YELLOW));
 980
 981   for(i=0; i<num_page_entries; i++)
 982   {
 983     TreeInfo *node, *node_first;
 984     int entry_pos = first_entry + i;
 985     int ypos = MENU_SCREEN_START_YPOS + i;
 986
 987     node_first = getTreeInfoFirstGroupEntry(ti);
 988     node = getTreeInfoFromPos(node_first, entry_pos);
 989
 990     strncpy(buffer, node->name , max_buffer_len);
 991     buffer[max_buffer_len] = '\0';
 992
 993     DrawText(SX + 32, SY + ypos * 32, buffer, FS_MEDIUM, node->color);
 994
 995     if (node->parent_link)
 996       initCursor(i, GFX_ARROW_BLUE_LEFT);
 997     else if (node->level_group)
 998       initCursor(i, GFX_ARROW_BLUE_RIGHT);
 999     else
1000       initCursor(i, GFX_KUGEL_BLAU);
1001   }
1002
1003   if (first_entry > 0)
1004     DrawGraphic(0, 1, GFX_ARROW_BLUE_UP);
1005
1006   if (first_entry + num_page_entries < num_entries)
1007     DrawGraphic(0, MAX_MENU_ENTRIES_ON_SCREEN + 1, GFX_ARROW_BLUE_DOWN);
1008 }
1009
1010 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1011 {
1012   TreeInfo *node, *node_first;
1013   int x, last_redraw_mask = redraw_mask;
1014
1015   if (ti->type != TREE_TYPE_LEVEL_DIR)
1016     return;
1017
1018   node_first = getTreeInfoFirstGroupEntry(ti);
1019   node = getTreeInfoFromPos(node_first, entry_pos);
1020
1021   ClearRectangle(drawto, SX + 32, SY + 32, SXSIZE - 64, 32);
1022
1023   if (node->parent_link)
1024     DrawTextFCentered(40, FC_RED, "leave group \"%s\"", node->class_desc);
1025   else if (node->level_group)
1026     DrawTextFCentered(40, FC_RED, "enter group \"%s\"", node->class_desc);
1027   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1028     DrawTextFCentered(40, FC_RED, "%3d levels (%s)",
1029                       node->levels, node->class_desc);
1030
1031   /* let BackToFront() redraw only what is needed */
1032   redraw_mask = last_redraw_mask | REDRAW_TILES;
1033   for (x=0; x<SCR_FIELDX; x++)
1034     MarkTileDirty(x, 1);
1035 }
1036
1037 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1038                              TreeInfo **ti_ptr)
1039 {
1040   static unsigned long choose_delay = 0;
1041   TreeInfo *ti = *ti_ptr;
1042   int x = 0;
1043   int y = ti->cl_cursor;
1044   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1045   int num_entries = numTreeInfoInGroup(ti);
1046   int num_page_entries;
1047
1048   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1049     num_page_entries = num_entries;
1050   else
1051     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1052
1053   if (button == MB_MENU_INITIALIZE)
1054   {
1055     int entry_pos = posTreeInfo(ti);
1056
1057     if (ti->cl_first == -1)
1058     {
1059       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1060       ti->cl_cursor =
1061         entry_pos - ti->cl_first;
1062     }
1063
1064     if (dx == 999)      /* first entry is set by scrollbar position */
1065       ti->cl_first = dy;
1066     else
1067       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1068                                 ti->cl_first, ti);
1069
1070     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1071     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1072     drawCursor(ti->cl_cursor, FC_RED);
1073     return;
1074   }
1075   else if (button == MB_MENU_LEAVE)
1076   {
1077     if (ti->node_parent)
1078     {
1079       *ti_ptr = ti->node_parent;
1080       DrawChooseTree(ti_ptr);
1081     }
1082     else if (game_status == SETUP)
1083     {
1084       execExitSetupChooseArtwork();
1085     }
1086     else
1087     {
1088       game_status = MAINMENU;
1089       DrawMainMenu();
1090     }
1091
1092     return;
1093   }
1094
1095   if (mx || my)         /* mouse input */
1096   {
1097     x = (mx - SX) / 32;
1098     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1099   }
1100   else if (dx || dy)    /* keyboard input */
1101   {
1102     if (dy)
1103       y = ti->cl_cursor + dy;
1104
1105     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1106     {
1107       dy = SIGN(dy);
1108       step = num_page_entries - 1;
1109       y = (dy < 0 ? -1 : num_page_entries);
1110     }
1111   }
1112
1113   if (x == 0 && y == -1)
1114   {
1115     if (ti->cl_first > 0 &&
1116         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1117     {
1118       ti->cl_first -= step;
1119       if (ti->cl_first < 0)
1120         ti->cl_first = 0;
1121
1122       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1123       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1124       drawCursor(ti->cl_cursor, FC_RED);
1125       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1126                                 ti->cl_first, ti);
1127       return;
1128     }
1129   }
1130   else if (x == 0 && y > num_page_entries - 1)
1131   {
1132     if (ti->cl_first + num_page_entries < num_entries &&
1133         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1134     {
1135       ti->cl_first += step;
1136       if (ti->cl_first + num_page_entries > num_entries)
1137         ti->cl_first = MAX(0, num_entries - num_page_entries);
1138
1139       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1140       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1141       drawCursor(ti->cl_cursor, FC_RED);
1142       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1143                                 ti->cl_first, ti);
1144       return;
1145     }
1146   }
1147
1148   if (dx == 1)
1149   {
1150     TreeInfo *node_first, *node_cursor;
1151     int entry_pos = ti->cl_first + y;
1152
1153     node_first = getTreeInfoFirstGroupEntry(ti);
1154     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1155
1156     if (node_cursor->node_group)
1157     {
1158       node_cursor->cl_first = ti->cl_first;
1159       node_cursor->cl_cursor = ti->cl_cursor;
1160       *ti_ptr = node_cursor->node_group;
1161       DrawChooseTree(ti_ptr);
1162       return;
1163     }
1164   }
1165   else if (dx == -1 && ti->node_parent)
1166   {
1167     *ti_ptr = ti->node_parent;
1168     DrawChooseTree(ti_ptr);
1169     return;
1170   }
1171
1172   if (x == 0 && y >= 0 && y < num_page_entries)
1173   {
1174     if (button)
1175     {
1176       if (y != ti->cl_cursor)
1177       {
1178         drawCursor(y, FC_RED);
1179         drawCursor(ti->cl_cursor, FC_BLUE);
1180         drawChooseTreeInfo(ti->cl_first + y, ti);
1181         ti->cl_cursor = y;
1182       }
1183     }
1184     else
1185     {
1186       TreeInfo *node_first, *node_cursor;
1187       int entry_pos = ti->cl_first + y;
1188
1189       node_first = getTreeInfoFirstGroupEntry(ti);
1190       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1191
1192       if (node_cursor->node_group)
1193       {
1194         node_cursor->cl_first = ti->cl_first;
1195         node_cursor->cl_cursor = ti->cl_cursor;
1196         *ti_ptr = node_cursor->node_group;
1197         DrawChooseTree(ti_ptr);
1198       }
1199       else if (node_cursor->parent_link)
1200       {
1201         *ti_ptr = node_cursor->node_parent;
1202         DrawChooseTree(ti_ptr);
1203       }
1204       else
1205       {
1206         node_cursor->cl_first = ti->cl_first;
1207         node_cursor->cl_cursor = ti->cl_cursor;
1208         *ti_ptr = node_cursor;
1209
1210         if (ti->type == TREE_TYPE_LEVEL_DIR)
1211         {
1212           LoadLevelSetup_SeriesInfo();
1213
1214           SaveLevelSetup_LastSeries();
1215           SaveLevelSetup_SeriesInfo();
1216           TapeErase();
1217         }
1218
1219         if (game_status == SETUP)
1220         {
1221           execExitSetupChooseArtwork();
1222         }
1223         else
1224         {
1225           game_status = MAINMENU;
1226           DrawMainMenu();
1227         }
1228       }
1229     }
1230   }
1231
1232   BackToFront();
1233
1234   if (game_status == CHOOSELEVEL || game_status == SETUP)
1235     DoAnimation();
1236 }
1237
1238 void DrawChooseLevel()
1239 {
1240   DrawChooseTree(&leveldir_current);
1241 }
1242
1243 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1244 {
1245   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1246 }
1247
1248 void DrawHallOfFame(int highlight_position)
1249 {
1250   UnmapAllGadgets();
1251   FadeSounds();
1252   CloseDoor(DOOR_CLOSE_2);
1253
1254   if (highlight_position < 0)
1255     LoadScore(level_nr);
1256
1257   FadeToFront();
1258   InitAnimation();
1259   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1260   PlaySound(SND_MENU_HALL_OF_FAME);
1261 }
1262
1263 static void drawHallOfFameList(int first_entry, int highlight_position)
1264 {
1265   int i;
1266
1267   ClearWindow();
1268   DrawText(SX + 80, SY + 8, "Hall Of Fame", FS_BIG, FC_YELLOW);
1269   DrawTextFCentered(46, FC_RED, "HighScores of Level %d", level_nr);
1270
1271   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1272   {
1273     int entry = first_entry + i;
1274     int color = (entry == highlight_position ? FC_RED : FC_GREEN);
1275
1276 #if 0
1277     DrawText(SX, SY + 64 + i * 32, ".................", FS_BIG, color);
1278     DrawText(SX, SY + 64 + i * 32, highscore[i].Name, FS_BIG, color);
1279     DrawText(SX + 12 * 32, SY + 64 + i * 32,
1280              int2str(highscore[i].Score, 5), FS_BIG, color);
1281 #else
1282     DrawText(SX, SY + 64 + i * 32, "..................................",
1283              FS_MEDIUM, FC_YELLOW);
1284     DrawText(SX, SY + 64 + i * 32, int2str(entry + 1, 3),
1285              FS_MEDIUM, FC_YELLOW);
1286     DrawText(SX + 64, SY + 64 + i * 32, highscore[entry].Name, FS_BIG, color);
1287     DrawText(SX + 14 * 32 + 16, SY + 64 + i * 32,
1288              int2str(highscore[entry].Score, 5), FS_MEDIUM, color);
1289 #endif
1290   }
1291 }
1292
1293 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1294 {
1295   static int first_entry = 0;
1296   static int highlight_position = 0;
1297   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1298   int button_released = !button;
1299
1300   if (button == MB_MENU_INITIALIZE)
1301   {
1302     first_entry = 0;
1303     highlight_position = mx;
1304     drawHallOfFameList(first_entry, highlight_position);
1305     return;
1306   }
1307
1308   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1309     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1310
1311   if (dy < 0)
1312   {
1313     if (first_entry > 0)
1314     {
1315       first_entry -= step;
1316       if (first_entry < 0)
1317         first_entry = 0;
1318
1319       drawHallOfFameList(first_entry, highlight_position);
1320       return;
1321     }
1322   }
1323   else if (dy > 0)
1324   {
1325     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1326     {
1327       first_entry += step;
1328       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1329         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1330
1331       drawHallOfFameList(first_entry, highlight_position);
1332       return;
1333     }
1334   }
1335
1336   if (button_released)
1337   {
1338     FadeSound(SND_MENU_HALL_OF_FAME);
1339     game_status = MAINMENU;
1340     DrawMainMenu();
1341   }
1342
1343   BackToFront();
1344
1345   if (game_status == HALLOFFAME)
1346     DoAnimation();
1347 }
1348
1349
1350 /* ========================================================================= */
1351 /* setup screen functions                                                    */
1352 /* ========================================================================= */
1353
1354 static struct TokenInfo *setup_info;
1355 static int num_setup_info;
1356
1357 static void execSetupMain()
1358 {
1359   setup_mode = SETUP_MODE_MAIN;
1360   DrawSetupScreen();
1361 }
1362
1363 static void execSetupGraphics()
1364 {
1365   setup.graphics_set = artwork.gfx_current->name;
1366
1367   setup_mode = SETUP_MODE_GRAPHICS;
1368   DrawSetupScreen();
1369 }
1370
1371 static void execSetupSound()
1372 {
1373   setup.sounds_set = artwork.snd_current->name;
1374   setup.music_set = artwork.mus_current->name;
1375
1376   setup_mode = SETUP_MODE_SOUND;
1377   DrawSetupScreen();
1378 }
1379
1380 static void execSetupChooseGraphics()
1381 {
1382   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1383   DrawSetupScreen();
1384 }
1385
1386 static void execSetupChooseSounds()
1387 {
1388   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1389   DrawSetupScreen();
1390 }
1391
1392 static void execSetupChooseMusic()
1393 {
1394   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1395   DrawSetupScreen();
1396 }
1397
1398 static void execSetupInput()
1399 {
1400   setup_mode = SETUP_MODE_INPUT;
1401   DrawSetupScreen();
1402 }
1403
1404 static void execSetupShortcut()
1405 {
1406   setup_mode = SETUP_MODE_SHORTCUT;
1407   DrawSetupScreen();
1408 }
1409
1410 static void execExitSetupChooseArtwork()
1411 {
1412   if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
1413     execSetupGraphics();
1414   else
1415     execSetupSound();
1416 }
1417
1418 static void execExitSetup()
1419 {
1420   game_status = MAINMENU;
1421   DrawMainMenu();
1422 }
1423
1424 static void execSaveAndExitSetup()
1425 {
1426   SaveSetup();
1427   execExitSetup();
1428 }
1429
1430 static struct TokenInfo setup_info_main[] =
1431 {
1432   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics Setup"        },
1433   { TYPE_ENTER_MENU,    execSetupSound,         "Sound Setup"           },
1434   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1435   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1436   { TYPE_EMPTY,         NULL,                   ""                      },
1437 #if 0
1438   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1439   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1440 #endif
1441   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1442   { TYPE_SWITCH,        &setup.ask_on_escape,   "Ask on Esc:"           },
1443   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1444   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1445   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1446   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1447   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1448   { TYPE_EMPTY,         NULL,                   ""                      },
1449   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1450   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and exit"         },
1451   { 0,                  NULL,                   NULL                    }
1452 };
1453
1454 static struct TokenInfo setup_info_graphics[] =
1455 {
1456   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1457   { TYPE_STRING,        &setup.graphics_set,    ""                      },
1458   { TYPE_EMPTY,         NULL,                   ""                      },
1459   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1460   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1461   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1462   { TYPE_EMPTY,         NULL,                   ""                      },
1463   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1464   { 0,                  NULL,                   NULL                    }
1465 };
1466
1467 static struct TokenInfo setup_info_sound[] =
1468 {
1469   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1470   { TYPE_EMPTY,         NULL,                   ""                      },
1471   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1472   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1473   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1474   { TYPE_EMPTY,         NULL,                   ""                      },
1475   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1476   { TYPE_STRING,        &setup.sounds_set,      ""                      },
1477   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1478   { TYPE_STRING,        &setup.music_set,       ""                      },
1479   { TYPE_EMPTY,         NULL,                   ""                      },
1480   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1481   { 0,                  NULL,                   NULL                    }
1482 };
1483
1484 static struct TokenInfo setup_info_shortcut[] =
1485 {
1486   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1487   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1488   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1489   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1490   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1491   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1492   { TYPE_EMPTY,         NULL,                   ""                      },
1493   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1494   { 0,                  NULL,                   NULL                    }
1495 };
1496
1497 static Key getSetupKey()
1498 {
1499   Key key = KSYM_UNDEFINED;
1500   boolean got_key_event = FALSE;
1501
1502   while (!got_key_event)
1503   {
1504     if (PendingEvent())         /* got event */
1505     {
1506       Event event;
1507
1508       NextEvent(&event);
1509
1510       switch(event.type)
1511       {
1512         case EVENT_KEYPRESS:
1513           {
1514             key = GetEventKey((KeyEvent *)&event, TRUE);
1515
1516             /* press 'Escape' or 'Enter' to keep the existing key binding */
1517             if (key == KSYM_Escape || key == KSYM_Return)
1518               key = KSYM_UNDEFINED;     /* keep old value */
1519
1520             got_key_event = TRUE;
1521           }
1522           break;
1523
1524         case EVENT_KEYRELEASE:
1525           key_joystick_mapping = 0;
1526           break;
1527
1528         default:
1529           HandleOtherEvents(&event);
1530           break;
1531       }
1532     }
1533
1534     BackToFront();
1535     DoAnimation();
1536
1537     /* don't eat all CPU time */
1538     Delay(10);
1539   }
1540
1541   return key;
1542 }
1543
1544 static void drawSetupValue(int pos)
1545 {
1546   int xpos = MENU_SCREEN_VALUE_XPOS;
1547   int ypos = MENU_SCREEN_START_YPOS + pos;
1548   int font_size = FS_BIG;
1549   int font_color = FC_YELLOW;
1550   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1551                                      setup_info[pos].value);
1552
1553   if (setup_info[pos].type & TYPE_KEY)
1554   {
1555     xpos = 3;
1556
1557     if (setup_info[pos].type & TYPE_QUERY)
1558     {
1559       value_string = "<press key>";
1560       font_color = FC_RED;
1561     }
1562   }
1563   else if (setup_info[pos].type & TYPE_STRING)
1564   {
1565     int max_value_len = (SCR_FIELDX - 2) * 2;
1566
1567     xpos = 1;
1568     font_size = FS_MEDIUM;
1569
1570     if (strlen(value_string) > max_value_len)
1571       value_string[max_value_len] = '\0';
1572   }
1573   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
1574            !*(boolean *)(setup_info[pos].value))
1575     font_color = FC_BLUE;
1576
1577   DrawText(SX + xpos * 32, SY + ypos * 32,
1578            (xpos == 3 ? "              " : "   "), FS_BIG, FC_YELLOW);
1579   DrawText(SX + xpos * 32, SY + ypos * 32, value_string, font_size,font_color);
1580 }
1581
1582 static void changeSetupValue(int pos)
1583 {
1584   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1585   {
1586     *(boolean *)setup_info[pos].value ^= TRUE;
1587   }
1588   else if (setup_info[pos].type & TYPE_KEY)
1589   {
1590     Key key;
1591
1592     setup_info[pos].type |= TYPE_QUERY;
1593     drawSetupValue(pos);
1594     setup_info[pos].type &= ~TYPE_QUERY;
1595
1596     key = getSetupKey();
1597     if (key != KSYM_UNDEFINED)
1598       *(Key *)setup_info[pos].value = key;
1599   }
1600
1601   drawSetupValue(pos);
1602 }
1603
1604 static void DrawSetupScreen_Generic()
1605 {
1606   char *title_string = NULL;
1607   int i;
1608
1609   UnmapAllGadgets();
1610   CloseDoor(DOOR_CLOSE_2);
1611   ClearWindow();
1612
1613   if (setup_mode == SETUP_MODE_MAIN)
1614   {
1615     setup_info = setup_info_main;
1616     title_string = "Setup";
1617   }
1618   else if (setup_mode == SETUP_MODE_GRAPHICS)
1619   {
1620     setup_info = setup_info_graphics;
1621     title_string = "Setup Graphics";
1622   }
1623   else if (setup_mode == SETUP_MODE_SOUND)
1624   {
1625     setup_info = setup_info_sound;
1626     title_string = "Setup Sound";
1627   }
1628   else if (setup_mode == SETUP_MODE_SHORTCUT)
1629   {
1630     setup_info = setup_info_shortcut;
1631     title_string = "Setup Shortcuts";
1632   }
1633
1634   DrawText(SX + 16, SY + 16, title_string, FS_BIG, FC_YELLOW);
1635
1636   num_setup_info = 0;
1637   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1638   {
1639     void *value_ptr = setup_info[i].value;
1640     int ypos = MENU_SCREEN_START_YPOS + i;
1641     int font_size = FS_BIG;
1642
1643     /* set some entries to "unchangeable" according to other variables */
1644     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
1645         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
1646         (value_ptr == &setup.sound_music && !audio.music_available) ||
1647         (value_ptr == &setup.sound_music && !audio.music_available) ||
1648         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
1649       setup_info[i].type |= TYPE_GHOSTED;
1650
1651     if (setup_info[i].type & TYPE_ENTER_OR_LEAVE_MENU)
1652       font_size = FS_BIG;
1653
1654     DrawText(SX + 32, SY + ypos * 32, setup_info[i].text, font_size, FC_GREEN);
1655
1656     if (setup_info[i].type & TYPE_ENTER_MENU)
1657       initCursor(i, GFX_ARROW_BLUE_RIGHT);
1658     else if (setup_info[i].type & TYPE_LEAVE_MENU)
1659       initCursor(i, GFX_ARROW_BLUE_LEFT);
1660     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
1661       initCursor(i, GFX_KUGEL_BLAU);
1662
1663     if (setup_info[i].type & TYPE_VALUE)
1664       drawSetupValue(i);
1665
1666     num_setup_info++;
1667   }
1668
1669   FadeToFront();
1670   InitAnimation();
1671   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
1672 }
1673
1674 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
1675 {
1676   static int choice_store[MAX_SETUP_MODES];
1677   int choice = choice_store[setup_mode];
1678   int x = 0;
1679   int y = choice;
1680
1681   if (button == MB_MENU_INITIALIZE)
1682   {
1683     drawCursor(choice, FC_RED);
1684     return;
1685   }
1686   else if (button == MB_MENU_LEAVE)
1687   {
1688     for (y=0; y<num_setup_info; y++)
1689     {
1690       if (setup_info[y].type & TYPE_LEAVE_MENU)
1691       {
1692         void (*menu_callback_function)(void) = setup_info[y].value;
1693
1694         menu_callback_function();
1695         break;  /* absolutely needed because function changes 'setup_info'! */
1696       }
1697     }
1698
1699     return;
1700   }
1701
1702   if (mx || my)         /* mouse input */
1703   {
1704     x = (mx - SX) / 32;
1705     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1706   }
1707   else if (dx || dy)    /* keyboard input */
1708   {
1709     if (dx)
1710     {
1711       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
1712
1713       if ((setup_info[choice].type & menu_navigation_type) ||
1714           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
1715         button = MB_MENU_CHOICE;
1716     }
1717     else if (dy)
1718       y = choice + dy;
1719
1720     /* jump to next non-empty menu entry (up or down) */
1721     while (y > 0 && y < num_setup_info - 1 &&
1722            (setup_info[y].type & TYPE_SKIP_ENTRY))
1723       y += dy;
1724   }
1725
1726   if (x == 0 && y >= 0 && y < num_setup_info &&
1727       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
1728   {
1729     if (button)
1730     {
1731       if (y != choice)
1732       {
1733         drawCursor(y, FC_RED);
1734         drawCursor(choice, FC_BLUE);
1735         choice = choice_store[setup_mode] = y;
1736       }
1737     }
1738     else if (!(setup_info[y].type & TYPE_GHOSTED))
1739     {
1740 #if 0
1741       if (setup_info[y].type & TYPE_BOOLEAN_STYLE)
1742       {
1743         boolean new_value = !*(boolean *)(setup_info[y].value);
1744
1745         *(boolean *)setup_info[y].value = new_value;
1746         drawSetupValue(y);
1747       }
1748       else if (setup_info[y].type == TYPE_KEYTEXT &&
1749                setup_info[y + 1].type == TYPE_KEY)
1750       {
1751         changeSetupValue(y + 1);
1752       }
1753       else if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1754       {
1755         void (*menu_callback_function)(void) = setup_info[choice].value;
1756
1757         menu_callback_function();
1758       }
1759 #else
1760       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1761       {
1762         void (*menu_callback_function)(void) = setup_info[choice].value;
1763
1764         menu_callback_function();
1765       }
1766       else
1767       {
1768         if ((setup_info[y].type & TYPE_KEYTEXT) &&
1769             (setup_info[y + 1].type & TYPE_KEY))
1770           y++;
1771
1772         if (setup_info[y].type & TYPE_VALUE)
1773           changeSetupValue(y);
1774       }
1775 #endif
1776     }
1777   }
1778
1779   BackToFront();
1780
1781   if (game_status == SETUP)
1782     DoAnimation();
1783 }
1784
1785 void DrawSetupScreen_Input()
1786 {
1787   ClearWindow();
1788   DrawText(SX+16, SY+16, "Setup Input", FS_BIG, FC_YELLOW);
1789
1790   initCursor(0, GFX_KUGEL_BLAU);
1791   initCursor(1, GFX_KUGEL_BLAU);
1792   initCursor(2, GFX_ARROW_BLUE_RIGHT);
1793   initCursor(13, GFX_ARROW_BLUE_LEFT);
1794
1795   DrawGraphic(10, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_LEFT);
1796   DrawGraphic(12, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_RIGHT);
1797
1798   DrawText(SX+32, SY+2*32, "Player:", FS_BIG, FC_GREEN);
1799   DrawText(SX+32, SY+3*32, "Device:", FS_BIG, FC_GREEN);
1800   DrawText(SX+32, SY+15*32, "Exit", FS_BIG, FC_GREEN);
1801
1802 #if 0
1803   DeactivateJoystickForCalibration();
1804   DrawTextFCentered(SYSIZE - 20, FC_BLUE,
1805                     "Joysticks deactivated on this screen");
1806 #endif
1807
1808   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
1809   FadeToFront();
1810   InitAnimation();
1811 }
1812
1813 static void setJoystickDeviceToNr(char *device_name, int device_nr)
1814 {
1815   if (device_name == NULL)
1816     return;
1817
1818   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
1819     device_nr = 0;
1820
1821   if (strlen(device_name) > 1)
1822   {
1823     char c1 = device_name[strlen(device_name) - 1];
1824     char c2 = device_name[strlen(device_name) - 2];
1825
1826     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
1827       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
1828   }
1829   else
1830     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
1831             strlen(device_name));
1832 }
1833
1834 static void drawPlayerSetupInputInfo(int player_nr)
1835 {
1836   int i;
1837   static struct SetupKeyboardInfo custom_key;
1838   static struct
1839   {
1840     Key *key;
1841     char *text;
1842   } custom[] =
1843   {
1844     { &custom_key.left,  "Joystick Left"  },
1845     { &custom_key.right, "Joystick Right" },
1846     { &custom_key.up,    "Joystick Up"    },
1847     { &custom_key.down,  "Joystick Down"  },
1848     { &custom_key.snap,  "Button 1"       },
1849     { &custom_key.bomb,  "Button 2"       }
1850   };
1851   static char *joystick_name[MAX_PLAYERS] =
1852   {
1853     "Joystick1",
1854     "Joystick2",
1855     "Joystick3",
1856     "Joystick4"
1857   };
1858
1859   custom_key = setup.input[player_nr].key;
1860
1861   DrawText(SX+11*32, SY+2*32, int2str(player_nr + 1, 1), FS_BIG, FC_RED);
1862   DrawGraphic(8, 2, GFX_SPIELER1 + player_nr);
1863
1864   if (setup.input[player_nr].use_joystick)
1865   {
1866     char *device_name = setup.input[player_nr].joy.device_name;
1867
1868     DrawText(SX+8*32, SY+3*32,
1869              joystick_name[getJoystickNrFromDeviceName(device_name)],
1870              FS_BIG, FC_YELLOW);
1871     DrawText(SX+32, SY+4*32, "Calibrate", FS_BIG, FC_GREEN);
1872   }
1873   else
1874   {
1875     DrawText(SX+8*32, SY+3*32, "Keyboard ", FS_BIG, FC_YELLOW);
1876     DrawText(SX+32, SY+4*32, "Customize", FS_BIG, FC_GREEN);
1877   }
1878
1879   DrawText(SX+32, SY+5*32, "Actual Settings:", FS_BIG, FC_GREEN);
1880   DrawGraphic(1, 6, GFX_ARROW_BLUE_LEFT);
1881   DrawGraphic(1, 7, GFX_ARROW_BLUE_RIGHT);
1882   DrawGraphic(1, 8, GFX_ARROW_BLUE_UP);
1883   DrawGraphic(1, 9, GFX_ARROW_BLUE_DOWN);
1884   DrawText(SX+2*32, SY+6*32, ":", FS_BIG, FC_BLUE);
1885   DrawText(SX+2*32, SY+7*32, ":", FS_BIG, FC_BLUE);
1886   DrawText(SX+2*32, SY+8*32, ":", FS_BIG, FC_BLUE);
1887   DrawText(SX+2*32, SY+9*32, ":", FS_BIG, FC_BLUE);
1888   DrawText(SX+32, SY+10*32, "Snap Field:", FS_BIG, FC_BLUE);
1889   DrawText(SX+32, SY+12*32, "Place Bomb:", FS_BIG, FC_BLUE);
1890
1891   for (i=0; i<6; i++)
1892   {
1893     int ypos = 6 + i + (i > 3 ? i-3 : 0);
1894
1895     DrawText(SX + 3*32, SY + ypos*32,
1896              "              ", FS_BIG, FC_YELLOW);
1897     DrawText(SX + 3*32, SY + ypos*32,
1898              (setup.input[player_nr].use_joystick ?
1899               custom[i].text :
1900               getKeyNameFromKey(*custom[i].key)),
1901              FS_BIG, FC_YELLOW);
1902   }
1903 }
1904
1905 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
1906 {
1907   static int choice = 0;
1908   static int player_nr = 0;
1909   int x = 0;
1910   int y = choice;
1911   int pos_start  = SETUPINPUT_SCREEN_POS_START;
1912   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
1913   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
1914   int pos_end    = SETUPINPUT_SCREEN_POS_END;
1915
1916   if (button == MB_MENU_INITIALIZE)
1917   {
1918     drawPlayerSetupInputInfo(player_nr);
1919     drawCursor(choice, FC_RED);
1920     return;
1921   }
1922   else if (button == MB_MENU_LEAVE)
1923   {
1924     setup_mode = SETUP_MODE_MAIN;
1925     DrawSetupScreen();
1926     InitJoysticks();
1927   }
1928
1929   if (mx || my)         /* mouse input */
1930   {
1931     x = (mx - SX) / 32;
1932     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1933   }
1934   else if (dx || dy)    /* keyboard input */
1935   {
1936     if (dx && choice == 0)
1937       x = (dx < 0 ? 10 : 12);
1938     else if ((dx && choice == 1) ||
1939              (dx == +1 && choice == 2) ||
1940              (dx == -1 && choice == pos_end))
1941       button = MB_MENU_CHOICE;
1942     else if (dy)
1943       y = choice + dy;
1944
1945     if (y >= pos_empty1 && y <= pos_empty2)
1946       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
1947   }
1948
1949   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
1950   {
1951     static unsigned long delay = 0;
1952
1953     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
1954       goto out;
1955
1956     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
1957
1958     drawPlayerSetupInputInfo(player_nr);
1959   }
1960   else if (x == 0 && y >= pos_start && y <= pos_end &&
1961            !(y >= pos_empty1 && y <= pos_empty2))
1962   {
1963     if (button)
1964     {
1965       if (y != choice)
1966       {
1967         drawCursor(y, FC_RED);
1968         drawCursor(choice, FC_BLUE);
1969         choice = y;
1970       }
1971     }
1972     else
1973     {
1974       if (y == 1)
1975       {
1976         char *device_name = setup.input[player_nr].joy.device_name;
1977
1978         if (!setup.input[player_nr].use_joystick)
1979         {
1980           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
1981
1982           setJoystickDeviceToNr(device_name, new_device_nr);
1983           setup.input[player_nr].use_joystick = TRUE;
1984         }
1985         else
1986         {
1987           int device_nr = getJoystickNrFromDeviceName(device_name);
1988           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
1989
1990           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
1991             setup.input[player_nr].use_joystick = FALSE;
1992           else
1993             setJoystickDeviceToNr(device_name, new_device_nr);
1994         }
1995
1996         drawPlayerSetupInputInfo(player_nr);
1997       }
1998       else if (y == 2)
1999       {
2000         if (setup.input[player_nr].use_joystick)
2001         {
2002           InitJoysticks();
2003           CalibrateJoystick(player_nr);
2004         }
2005         else
2006           CustomizeKeyboard(player_nr);
2007       }
2008       else if (y == pos_end)
2009       {
2010         InitJoysticks();
2011
2012         setup_mode = SETUP_MODE_MAIN;
2013         DrawSetupScreen();
2014       }
2015     }
2016   }
2017
2018   BackToFront();
2019
2020   out:
2021
2022   if (game_status == SETUP)
2023     DoAnimation();
2024 }
2025
2026 void CustomizeKeyboard(int player_nr)
2027 {
2028   int i;
2029   int step_nr;
2030   boolean finished = FALSE;
2031   static struct SetupKeyboardInfo custom_key;
2032   static struct
2033   {
2034     Key *key;
2035     char *text;
2036   } customize_step[] =
2037   {
2038     { &custom_key.left,  "Move Left"  },
2039     { &custom_key.right, "Move Right" },
2040     { &custom_key.up,    "Move Up"    },
2041     { &custom_key.down,  "Move Down"  },
2042     { &custom_key.snap,  "Snap Field" },
2043     { &custom_key.bomb,  "Place Bomb" }
2044   };
2045
2046   /* read existing key bindings from player setup */
2047   custom_key = setup.input[player_nr].key;
2048
2049   ClearWindow();
2050   DrawText(SX + 16, SY + 16, "Keyboard Input", FS_BIG, FC_YELLOW);
2051
2052   BackToFront();
2053   InitAnimation();
2054
2055   step_nr = 0;
2056   DrawText(SX, SY + (2+2*step_nr)*32,
2057            customize_step[step_nr].text, FS_BIG, FC_RED);
2058   DrawText(SX, SY + (2+2*step_nr+1)*32,
2059            "Key:", FS_BIG, FC_RED);
2060   DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2061            getKeyNameFromKey(*customize_step[step_nr].key),
2062            FS_BIG, FC_BLUE);
2063
2064   while(!finished)
2065   {
2066     if (PendingEvent())         /* got event */
2067     {
2068       Event event;
2069
2070       NextEvent(&event);
2071
2072       switch(event.type)
2073       {
2074         case EVENT_KEYPRESS:
2075           {
2076             Key key = GetEventKey((KeyEvent *)&event, TRUE);
2077
2078             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2079             {
2080               finished = TRUE;
2081               break;
2082             }
2083
2084             /* all keys configured -- wait for "Escape" or "Return" key */
2085             if (step_nr == 6)
2086               break;
2087
2088             /* press 'Enter' to keep the existing key binding */
2089             if (key == KSYM_Return)
2090               key = *customize_step[step_nr].key;
2091
2092             /* check if key already used */
2093             for (i=0; i<step_nr; i++)
2094               if (*customize_step[i].key == key)
2095                 break;
2096             if (i < step_nr)
2097               break;
2098
2099             /* got new key binding */
2100             *customize_step[step_nr].key = key;
2101             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2102                      "             ", FS_BIG, FC_YELLOW);
2103             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2104                      getKeyNameFromKey(key), FS_BIG, FC_YELLOW);
2105             step_nr++;
2106
2107             /* un-highlight last query */
2108             DrawText(SX, SY+(2+2*(step_nr-1))*32,
2109                      customize_step[step_nr-1].text, FS_BIG, FC_GREEN);
2110             DrawText(SX, SY+(2+2*(step_nr-1)+1)*32,
2111                      "Key:", FS_BIG, FC_GREEN);
2112
2113             /* press 'Enter' to leave */
2114             if (step_nr == 6)
2115             {
2116               DrawText(SX + 16, SY + 15*32+16,
2117                        "Press Enter", FS_BIG, FC_YELLOW);
2118               break;
2119             }
2120
2121             /* query next key binding */
2122             DrawText(SX, SY+(2+2*step_nr)*32,
2123                      customize_step[step_nr].text, FS_BIG, FC_RED);
2124             DrawText(SX, SY+(2+2*step_nr+1)*32,
2125                      "Key:", FS_BIG, FC_RED);
2126             DrawText(SX + 4*32, SY+(2+2*step_nr+1)*32,
2127                      getKeyNameFromKey(*customize_step[step_nr].key),
2128                      FS_BIG, FC_BLUE);
2129           }
2130           break;
2131
2132         case EVENT_KEYRELEASE:
2133           key_joystick_mapping = 0;
2134           break;
2135
2136         default:
2137           HandleOtherEvents(&event);
2138           break;
2139       }
2140     }
2141
2142     BackToFront();
2143     DoAnimation();
2144
2145     /* don't eat all CPU time */
2146     Delay(10);
2147   }
2148
2149   /* write new key bindings back to player setup */
2150   setup.input[player_nr].key = custom_key;
2151
2152   StopAnimation();
2153   DrawSetupScreen_Input();
2154 }
2155
2156 static boolean CalibrateJoystickMain(int player_nr)
2157 {
2158   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2159   int new_joystick_xright = JOYSTICK_XMIDDLE;
2160   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2161   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2162   int new_joystick_xmiddle, new_joystick_ymiddle;
2163
2164   int joystick_fd = joystick.fd[player_nr];
2165   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2166   boolean check[3][3];
2167   int check_remaining = 3 * 3;
2168   int joy_x, joy_y;
2169   int joy_value;
2170   int result = -1;
2171
2172   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2173     return FALSE;
2174
2175   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2176     return FALSE;
2177
2178   ClearWindow();
2179
2180   for(y=0; y<3; y++)
2181   {
2182     for(x=0; x<3; x++)
2183     {
2184       check[x][y] = FALSE;
2185       DrawGraphic(xpos + x - 1, ypos + y - 1, GFX_KUGEL_BLAU);
2186     }
2187   }
2188
2189   DrawText(SX,      SY +  6 * 32, " ROTATE JOYSTICK ", FS_BIG, FC_YELLOW);
2190   DrawText(SX,      SY +  7 * 32, "IN ALL DIRECTIONS", FS_BIG, FC_YELLOW);
2191   DrawText(SX + 16, SY +  9 * 32, "  IF ALL BALLS  ",  FS_BIG, FC_YELLOW);
2192   DrawText(SX,      SY + 10 * 32, "   ARE YELLOW,   ", FS_BIG, FC_YELLOW);
2193   DrawText(SX,      SY + 11 * 32, " CENTER JOYSTICK ", FS_BIG, FC_YELLOW);
2194   DrawText(SX,      SY + 12 * 32, "       AND       ", FS_BIG, FC_YELLOW);
2195   DrawText(SX,      SY + 13 * 32, "PRESS ANY BUTTON!", FS_BIG, FC_YELLOW);
2196
2197   joy_value = Joystick(player_nr);
2198   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2199   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2200
2201   /* eventually uncalibrated center position (joystick could be uncentered) */
2202   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2203     return FALSE;
2204
2205   new_joystick_xmiddle = joy_x;
2206   new_joystick_ymiddle = joy_y;
2207
2208   DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_ROT);
2209   BackToFront();
2210
2211   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2212   InitAnimation();
2213
2214   while(result < 0)
2215   {
2216     if (PendingEvent())         /* got event */
2217     {
2218       Event event;
2219
2220       NextEvent(&event);
2221
2222       switch(event.type)
2223       {
2224         case EVENT_KEYPRESS:
2225           switch(GetEventKey((KeyEvent *)&event, TRUE))
2226           {
2227             case KSYM_Return:
2228               if (check_remaining == 0)
2229                 result = 1;
2230               break;
2231
2232             case KSYM_Escape:
2233               result = 0;
2234               break;
2235
2236             default:
2237               break;
2238           }
2239           break;
2240
2241         case EVENT_KEYRELEASE:
2242           key_joystick_mapping = 0;
2243           break;
2244
2245         default:
2246           HandleOtherEvents(&event);
2247           break;
2248       }
2249     }
2250
2251     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2252       return FALSE;
2253
2254     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2255     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2256     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2257     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2258
2259     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2260     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2261     setup.input[player_nr].joy.xright = new_joystick_xright;
2262     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2263     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2264     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2265
2266     CheckJoystickData();
2267
2268     joy_value = Joystick(player_nr);
2269
2270     if (joy_value & JOY_BUTTON && check_remaining == 0)
2271       result = 1;
2272
2273     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2274     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2275
2276     if (x != last_x || y != last_y)
2277     {
2278       DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_GELB);
2279       DrawGraphic(xpos + x,      ypos + y,      GFX_KUGEL_ROT);
2280
2281       last_x = x;
2282       last_y = y;
2283
2284       if (check_remaining > 0 && !check[x+1][y+1])
2285       {
2286         check[x+1][y+1] = TRUE;
2287         check_remaining--;
2288       }
2289
2290 #if 0
2291 #ifdef DEBUG
2292       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2293              setup.input[player_nr].joy.xleft,
2294              setup.input[player_nr].joy.xmiddle,
2295              setup.input[player_nr].joy.xright);
2296       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2297              setup.input[player_nr].joy.yupper,
2298              setup.input[player_nr].joy.ymiddle,
2299              setup.input[player_nr].joy.ylower);
2300 #endif
2301 #endif
2302
2303     }
2304
2305     BackToFront();
2306     DoAnimation();
2307
2308     /* don't eat all CPU time */
2309     Delay(10);
2310   }
2311
2312   /* calibrated center position (joystick should now be centered) */
2313   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2314     return FALSE;
2315
2316   new_joystick_xmiddle = joy_x;
2317   new_joystick_ymiddle = joy_y;
2318
2319   StopAnimation();
2320
2321   DrawSetupScreen_Input();
2322
2323   /* wait until the last pressed button was released */
2324   while (Joystick(player_nr) & JOY_BUTTON)
2325   {
2326     if (PendingEvent())         /* got event */
2327     {
2328       Event event;
2329
2330       NextEvent(&event);
2331       HandleOtherEvents(&event);
2332
2333       Delay(10);
2334     }
2335   }
2336
2337   return TRUE;
2338 }
2339
2340 void CalibrateJoystick(int player_nr)
2341 {
2342   if (!CalibrateJoystickMain(player_nr))
2343   {
2344     ClearWindow();
2345
2346     DrawText(SX + 16, SY + 6*32, "  JOYSTICK NOT  ",  FS_BIG, FC_YELLOW);
2347     DrawText(SX,      SY + 7*32, "    AVAILABLE    ", FS_BIG, FC_YELLOW);
2348     BackToFront();
2349     Delay(2000);        /* show error message for two seconds */
2350   }
2351 }
2352
2353 void DrawSetupScreen()
2354 {
2355   DeactivateJoystick();
2356
2357   if (setup_mode == SETUP_MODE_INPUT)
2358     DrawSetupScreen_Input();
2359   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2360     DrawChooseTree(&artwork.gfx_current);
2361   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2362     DrawChooseTree(&artwork.snd_current);
2363   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2364     DrawChooseTree(&artwork.mus_current);
2365   else
2366     DrawSetupScreen_Generic();
2367 }
2368
2369 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2370 {
2371   if (setup_mode == SETUP_MODE_INPUT)
2372     HandleSetupScreen_Input(mx, my, dx, dy, button);
2373   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2374     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2375   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2376     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2377   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2378     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2379   else
2380     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2381 }
2382
2383 void HandleGameActions()
2384 {
2385   if (game_status != PLAYING)
2386     return;
2387
2388   if (local_player->LevelSolved)
2389     GameWon();
2390
2391   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2392     TapeStop();
2393
2394   GameActions();
2395
2396   BackToFront();
2397 }
2398
2399 /* ---------- new screen button stuff -------------------------------------- */
2400
2401 /* graphic position and size values for buttons and scrollbars */
2402 #define SC_SCROLLBUTTON_XPOS            64
2403 #define SC_SCROLLBUTTON_YPOS            0
2404 #define SC_SCROLLBAR_XPOS               0
2405 #define SC_SCROLLBAR_YPOS               64
2406
2407 #define SC_SCROLLBUTTON_XSIZE           32
2408 #define SC_SCROLLBUTTON_YSIZE           32
2409
2410 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2411 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2412 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2413 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2414 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2415 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2416 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2417 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2418
2419 #define SC_BORDER_SIZE                  14
2420
2421 static struct
2422 {
2423   int xpos, ypos;
2424   int x, y;
2425   int gadget_id;
2426   char *infotext;
2427 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2428 {
2429   {
2430     SC_SCROLLBUTTON_XPOS + 0 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2431     SC_SCROLL_UP_XPOS,                                  SC_SCROLL_UP_YPOS,
2432     SCREEN_CTRL_ID_SCROLL_UP,
2433     "scroll level series up"
2434   },
2435   {
2436     SC_SCROLLBUTTON_XPOS + 1 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2437     SC_SCROLL_DOWN_XPOS,                                SC_SCROLL_DOWN_YPOS,
2438     SCREEN_CTRL_ID_SCROLL_DOWN,
2439     "scroll level series down"
2440   }
2441 };
2442
2443 static struct
2444 {
2445   int xpos, ypos;
2446   int x, y;
2447   int width, height;
2448   int type;
2449   int gadget_id;
2450   char *infotext;
2451 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2452 {
2453   {
2454     SC_SCROLLBAR_XPOS,                  SC_SCROLLBAR_YPOS,
2455     SX + SC_SCROLL_VERTICAL_XPOS,       SY + SC_SCROLL_VERTICAL_YPOS,
2456     SC_SCROLL_VERTICAL_XSIZE,           SC_SCROLL_VERTICAL_YSIZE,
2457     GD_TYPE_SCROLLBAR_VERTICAL,
2458     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2459     "scroll level series vertically"
2460   }
2461 };
2462
2463 static void CreateScreenScrollbuttons()
2464 {
2465   Bitmap *gd_bitmap = pix[PIX_MORE];
2466   struct GadgetInfo *gi;
2467   unsigned long event_mask;
2468   int i;
2469
2470   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2471   {
2472     int id = scrollbutton_info[i].gadget_id;
2473     int x, y, width, height;
2474     int gd_x1, gd_x2, gd_y1, gd_y2;
2475
2476     x = scrollbutton_info[i].x;
2477     y = scrollbutton_info[i].y;
2478
2479     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2480
2481     x += SX;
2482     y += SY;
2483     width = SC_SCROLLBUTTON_XSIZE;
2484     height = SC_SCROLLBUTTON_YSIZE;
2485     gd_x1 = scrollbutton_info[i].xpos;
2486     gd_y1 = scrollbutton_info[i].ypos;
2487     gd_x2 = gd_x1;
2488     gd_y2 = gd_y1 + SC_SCROLLBUTTON_YSIZE;
2489
2490     gi = CreateGadget(GDI_CUSTOM_ID, id,
2491                       GDI_CUSTOM_TYPE_ID, i,
2492                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2493                       GDI_X, x,
2494                       GDI_Y, y,
2495                       GDI_WIDTH, width,
2496                       GDI_HEIGHT, height,
2497                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2498                       GDI_STATE, GD_BUTTON_UNPRESSED,
2499                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2500                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2501                       GDI_EVENT_MASK, event_mask,
2502                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2503                       GDI_END);
2504
2505     if (gi == NULL)
2506       Error(ERR_EXIT, "cannot create gadget");
2507
2508     screen_gadget[id] = gi;
2509   }
2510 }
2511
2512 static void CreateScreenScrollbars()
2513 {
2514   int i;
2515
2516   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2517   {
2518     int id = scrollbar_info[i].gadget_id;
2519     Bitmap *gd_bitmap = pix[PIX_MORE];
2520     int gd_x1, gd_x2, gd_y1, gd_y2;
2521     struct GadgetInfo *gi;
2522     int items_max, items_visible, item_position;
2523     unsigned long event_mask;
2524     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2525
2526 #if 0
2527     if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
2528       num_page_entries = num_leveldirs;
2529     else
2530       num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2531
2532     items_max = MAX(num_leveldirs, num_page_entries);
2533     items_visible = num_page_entries;
2534     item_position = 0;
2535 #else
2536     items_max = num_page_entries;
2537     items_visible = num_page_entries;
2538     item_position = 0;
2539 #endif
2540
2541     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2542
2543     gd_x1 = scrollbar_info[i].xpos;
2544     gd_x2 = gd_x1 + scrollbar_info[i].width;
2545     gd_y1 = scrollbar_info[i].ypos;
2546     gd_y2 = scrollbar_info[i].ypos;
2547
2548     gi = CreateGadget(GDI_CUSTOM_ID, id,
2549                       GDI_CUSTOM_TYPE_ID, i,
2550                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2551                       GDI_X, scrollbar_info[i].x,
2552                       GDI_Y, scrollbar_info[i].y,
2553                       GDI_WIDTH, scrollbar_info[i].width,
2554                       GDI_HEIGHT, scrollbar_info[i].height,
2555                       GDI_TYPE, scrollbar_info[i].type,
2556                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2557                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2558                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2559                       GDI_STATE, GD_BUTTON_UNPRESSED,
2560                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2561                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2562                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
2563                       GDI_EVENT_MASK, event_mask,
2564                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2565                       GDI_END);
2566
2567     if (gi == NULL)
2568       Error(ERR_EXIT, "cannot create gadget");
2569
2570     screen_gadget[id] = gi;
2571   }
2572 }
2573
2574 void CreateScreenGadgets()
2575 {
2576   CreateScreenScrollbuttons();
2577   CreateScreenScrollbars();
2578 }
2579
2580 void MapChooseTreeGadgets(TreeInfo *ti)
2581 {
2582   int num_entries = numTreeInfoInGroup(ti);
2583   int i;
2584
2585   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
2586     return;
2587
2588   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2589     MapGadget(screen_gadget[i]);
2590 }
2591
2592 void UnmapChooseTreeGadgets()
2593 {
2594   int i;
2595
2596   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2597     UnmapGadget(screen_gadget[i]);
2598 }
2599
2600 static void HandleScreenGadgets(struct GadgetInfo *gi)
2601 {
2602   int id = gi->custom_id;
2603
2604   if (game_status != CHOOSELEVEL)
2605     return;
2606
2607   switch (id)
2608   {
2609     case SCREEN_CTRL_ID_SCROLL_UP:
2610       HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
2611       break;
2612
2613     case SCREEN_CTRL_ID_SCROLL_DOWN:
2614       HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2615       break;
2616
2617     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
2618       HandleChooseLevel(0,0, 999,gi->event.item_position, MB_MENU_INITIALIZE);
2619       break;
2620
2621     default:
2622       break;
2623   }
2624 }