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_INPUT                2
  31 #define SETUP_MODE_SHORTCUT             3
  32 #define SETUP_MODE_GRAPHICS             4
  33 #define SETUP_MODE_SOUND                5
  34 #define SETUP_MODE_ARTWORK              6
  35 #define SETUP_MODE_CHOOSE_GRAPHICS      7
  36 #define SETUP_MODE_CHOOSE_SOUNDS        8
  37 #define SETUP_MODE_CHOOSE_MUSIC         9
  38
  39 #define MAX_SETUP_MODES                 10
  40
  41 /* for input setup functions */
  42 #define SETUPINPUT_SCREEN_POS_START     0
  43 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  44 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  45 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  46
  47 /* for various menu stuff  */
  48 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - 2)
  49 #define MENU_SCREEN_START_YPOS          2
  50 #define MENU_SCREEN_VALUE_XPOS          14
  51
  52 /* buttons and scrollbars identifiers */
  53 #define SCREEN_CTRL_ID_SCROLL_UP        0
  54 #define SCREEN_CTRL_ID_SCROLL_DOWN      1
  55 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  2
  56
  57 #define NUM_SCREEN_SCROLLBUTTONS        2
  58 #define NUM_SCREEN_SCROLLBARS           1
  59 #define NUM_SCREEN_GADGETS              3
  60
  61 /* forward declarations of internal functions */
  62 static void HandleScreenGadgets(struct GadgetInfo *);
  63 static void HandleSetupScreen_Generic(int, int, int, int, int);
  64 static void HandleSetupScreen_Input(int, int, int, int, int);
  65 static void CustomizeKeyboard(int);
  66 static void CalibrateJoystick(int);
  67 static void execSetupArtwork(void);
  68 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
  69
  70 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
  71 static int setup_mode = SETUP_MODE_MAIN;
  72
  73 static void drawCursorExt(int pos, int color, int graphic)
  74 {
  75   static int cursor_array[SCR_FIELDY];
  76
  77   if (graphic)
  78     cursor_array[pos] = graphic;
  79
  80   graphic = cursor_array[pos];
  81
  82   if (color == FC_RED)
  83     graphic = (graphic == GFX_ARROW_BLUE_LEFT  ? GFX_ARROW_RED_LEFT  :
  84                graphic == GFX_ARROW_BLUE_RIGHT ? GFX_ARROW_RED_RIGHT :
  85                GFX_KUGEL_ROT);
  86
  87   DrawGraphic(0, MENU_SCREEN_START_YPOS + pos, graphic);
  88 }
  89
  90 static void initCursor(int pos, int graphic)
  91 {
  92   drawCursorExt(pos, FC_BLUE, graphic);
  93 }
  94
  95 static void drawCursor(int pos, int color)
  96 {
  97   drawCursorExt(pos, color, 0);
  98 }
  99
 100 void DrawHeadline()
 101 {
 102   int x = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING) * FONT1_XSIZE) / 2;
 103
 104   DrawText(x, SY + 8, PROGRAM_TITLE_STRING, FS_BIG, FC_YELLOW);
 105   DrawTextFCentered(46, FC_RED, WINDOW_SUBTITLE_STRING);
 106 }
 107
 108 static void ToggleFullscreenIfNeeded()
 109 {
 110   if (setup.fullscreen != video.fullscreen_enabled)
 111   {
 112     /* save old door content */
 113     BlitBitmap(backbuffer, pix[PIX_DB_DOOR],
 114                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 115
 116     /* toggle fullscreen */
 117     ChangeVideoModeIfNeeded(setup.fullscreen);
 118     setup.fullscreen = video.fullscreen_enabled;
 119
 120     /* redraw background to newly created backbuffer */
 121     BlitBitmap(pix[PIX_BACK], backbuffer, 0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 122
 123     /* restore old door content */
 124     BlitBitmap(pix[PIX_DB_DOOR], backbuffer,
 125                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 126
 127     redraw_mask = REDRAW_ALL;
 128   }
 129 }
 130
 131 void DrawMainMenu()
 132 {
 133   static LevelDirTree *leveldir_last_valid = NULL;
 134   int i;
 135   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 136
 137   UnmapAllGadgets();
 138   FadeSounds();
 139   KeyboardAutoRepeatOn();
 140   ActivateJoystick();
 141   SetDrawDeactivationMask(REDRAW_NONE);
 142   audio.sound_deactivated = FALSE;
 143
 144   /* needed if last screen was the playing screen, invoked from level editor */
 145   if (level_editor_test_game)
 146   {
 147     game_status = LEVELED;
 148     DrawLevelEd();
 149     return;
 150   }
 151
 152   /* needed if last screen was the editor screen */
 153   UndrawSpecialEditorDoor();
 154
 155   /* needed if last screen was the setup screen and fullscreen state changed */
 156   ToggleFullscreenIfNeeded();
 157
 158   /* needed if last screen (level choice) changed graphics, sounds or music */
 159   ReloadCustomArtwork();
 160
 161 #ifdef TARGET_SDL
 162   SetDrawtoField(DRAW_BACKBUFFER);
 163 #endif
 164
 165   /* map gadgets for main menu screen */
 166   MapTapeButtons();
 167
 168   /* leveldir_current may be invalid (level group, parent link) */
 169   if (!validLevelSeries(leveldir_current))
 170     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 171
 172   /* store valid level series information */
 173   leveldir_last_valid = leveldir_current;
 174
 175   /* level_nr may have been set to value over handicap with level editor */
 176   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 177     level_nr = leveldir_current->handicap_level;
 178
 179   GetPlayerConfig();
 180   LoadLevel(level_nr);
 181
 182   ClearWindow();
 183   DrawHeadline();
 184   DrawText(SX + 32,    SY + 2*32, name_text, FS_BIG, FC_GREEN);
 185   DrawText(SX + 6*32,  SY + 2*32, setup.player_name, FS_BIG, FC_RED);
 186   DrawText(SX + 32,    SY + 3*32, "Level:", FS_BIG, FC_GREEN);
 187   DrawText(SX + 11*32, SY + 3*32, int2str(level_nr,3), FS_BIG,
 188            (leveldir_current->readonly ? FC_RED : FC_YELLOW));
 189   DrawText(SX + 32,    SY + 4*32, "Hall Of Fame", FS_BIG, FC_GREEN);
 190   DrawText(SX + 32,    SY + 5*32, "Level Creator", FS_BIG, FC_GREEN);
 191   DrawText(SY + 32,    SY + 6*32, "Info Screen", FS_BIG, FC_GREEN);
 192   DrawText(SX + 32,    SY + 7*32, "Start Game", FS_BIG, FC_GREEN);
 193   DrawText(SX + 32,    SY + 8*32, "Setup", FS_BIG, FC_GREEN);
 194   DrawText(SX + 32,    SY + 9*32, "Quit", FS_BIG, FC_GREEN);
 195
 196   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 197
 198   DrawTextF(7*32 + 6, 3*32 + 9, FC_RED, "%d-%d",
 199             leveldir_current->first_level,
 200             leveldir_current->last_level);
 201
 202   if (leveldir_current->readonly)
 203   {
 204     DrawTextF(15*32 + 6, 3*32 + 9 - 7, FC_RED, "READ");
 205     DrawTextF(15*32 + 6, 3*32 + 9 + 7, FC_RED, "ONLY");
 206   }
 207
 208   for(i=0; i<8; i++)
 209     initCursor(i, (i == 1 || i == 6 ? GFX_ARROW_BLUE_RIGHT : GFX_KUGEL_BLAU));
 210
 211   DrawGraphic(10, 3, GFX_ARROW_BLUE_LEFT);
 212   DrawGraphic(14, 3, GFX_ARROW_BLUE_RIGHT);
 213
 214   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment",
 215            FS_SMALL, FC_RED);
 216
 217   if (leveldir_current->name)
 218   {
 219     int len = strlen(leveldir_current->name);
 220     int lxpos = SX + (SXSIZE - len * FONT4_XSIZE) / 2;
 221     int lypos = SY + 352;
 222
 223     DrawText(lxpos, lypos, leveldir_current->name, FS_SMALL, FC_SPECIAL2);
 224   }
 225
 226   FadeToFront();
 227   InitAnimation();
 228   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 229
 230   TapeStop();
 231   if (TAPE_IS_EMPTY(tape))
 232     LoadTape(level_nr);
 233   DrawCompleteVideoDisplay();
 234
 235   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 236
 237 #if 0
 238   ClearEventQueue();
 239 #endif
 240 }
 241
 242 static void gotoTopLevelDir()
 243 {
 244   /* move upwards to top level directory */
 245   while (leveldir_current->node_parent)
 246   {
 247     /* write a "path" into level tree for easy navigation to last level */
 248     if (leveldir_current->node_parent->node_group->cl_first == -1)
 249     {
 250       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 251       int leveldir_pos = posTreeInfo(leveldir_current);
 252       int num_page_entries;
 253       int cl_first, cl_cursor;
 254
 255       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 256         num_page_entries = num_leveldirs;
 257       else
 258         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 259
 260       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 261       cl_cursor = leveldir_pos - cl_first;
 262
 263       leveldir_current->node_parent->node_group->cl_first = cl_first;
 264       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 265     }
 266
 267     leveldir_current = leveldir_current->node_parent;
 268   }
 269 }
 270
 271 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 272 {
 273   static int choice = 0;
 274   int x = 0;
 275   int y = choice;
 276
 277   if (button == MB_MENU_INITIALIZE)
 278   {
 279     drawCursor(choice, FC_RED);
 280     return;
 281   }
 282
 283   if (mx || my)         /* mouse input */
 284   {
 285     x = (mx - SX) / 32;
 286     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
 287   }
 288   else if (dx || dy)    /* keyboard input */
 289   {
 290     if (dx && choice == 1)
 291       x = (dx < 0 ? 10 : 14);
 292     else if (dy)
 293       y = choice + dy;
 294   }
 295
 296   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 297                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 298       button)
 299   {
 300     static unsigned long level_delay = 0;
 301     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 302     int new_level_nr, old_level_nr = level_nr;
 303     int font_color = (leveldir_current->readonly ? FC_RED : FC_YELLOW);
 304
 305     new_level_nr = level_nr + (x == 10 ? -step : +step);
 306     if (new_level_nr < leveldir_current->first_level)
 307       new_level_nr = leveldir_current->first_level;
 308     if (new_level_nr > leveldir_current->last_level)
 309       new_level_nr = leveldir_current->last_level;
 310
 311     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 312       new_level_nr = leveldir_current->handicap_level;
 313
 314     if (old_level_nr == new_level_nr ||
 315         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 316       goto out;
 317
 318     level_nr = new_level_nr;
 319
 320     DrawTextExt(drawto, SX + 11 * 32, SY + 3 * 32,
 321                 int2str(level_nr, 3), FS_BIG, font_color);
 322     DrawTextExt(window, SX + 11 * 32, SY + 3 * 32,
 323                 int2str(level_nr, 3), FS_BIG, font_color);
 324
 325     LoadLevel(level_nr);
 326     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 327
 328     TapeErase();
 329     LoadTape(level_nr);
 330     DrawCompleteVideoDisplay();
 331
 332     /* needed because DrawMicroLevel() takes some time */
 333     BackToFront();
 334     SyncDisplay();
 335     DelayReached(&level_delay, 0);      /* reset delay counter */
 336   }
 337   else if (x == 0 && y >= 0 && y <= 7)
 338   {
 339     if (button)
 340     {
 341       if (y != choice)
 342       {
 343         drawCursor(y, FC_RED);
 344         drawCursor(choice, FC_BLUE);
 345         choice = y;
 346       }
 347     }
 348     else
 349     {
 350       if (y == 0)
 351       {
 352         game_status = TYPENAME;
 353         HandleTypeName(strlen(setup.player_name), 0);
 354       }
 355       else if (y == 1)
 356       {
 357         if (leveldir_first)
 358         {
 359           game_status = CHOOSELEVEL;
 360           SaveLevelSetup_LastSeries();
 361           SaveLevelSetup_SeriesInfo();
 362
 363           gotoTopLevelDir();
 364
 365           DrawChooseLevel();
 366         }
 367       }
 368       else if (y == 2)
 369       {
 370         game_status = HALLOFFAME;
 371         DrawHallOfFame(-1);
 372       }
 373       else if (y == 3)
 374       {
 375         if (leveldir_current->readonly &&
 376             strcmp(setup.player_name, "Artsoft") != 0)
 377           Request("This level is read only !", REQ_CONFIRM);
 378         game_status = LEVELED;
 379         DrawLevelEd();
 380       }
 381       else if (y == 4)
 382       {
 383         game_status = HELPSCREEN;
 384         DrawHelpScreen();
 385       }
 386       else if (y == 5)
 387       {
 388         if (setup.autorecord)
 389           TapeStartRecording();
 390
 391 #if defined(PLATFORM_UNIX)
 392         if (options.network)
 393           SendToServer_StartPlaying();
 394         else
 395 #endif
 396         {
 397           game_status = PLAYING;
 398           StopAnimation();
 399           InitGame();
 400         }
 401       }
 402       else if (y == 6)
 403       {
 404         game_status = SETUP;
 405         setup_mode = SETUP_MODE_MAIN;
 406         DrawSetupScreen();
 407       }
 408       else if (y == 7)
 409       {
 410         SaveLevelSetup_LastSeries();
 411         SaveLevelSetup_SeriesInfo();
 412         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 413           game_status = EXITGAME;
 414       }
 415     }
 416   }
 417
 418   BackToFront();
 419
 420   out:
 421
 422   if (game_status == MAINMENU)
 423   {
 424     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 425     DoAnimation();
 426   }
 427 }
 428
 429
 430 #define MAX_HELPSCREEN_ELS      10
 431 #define HA_NEXT                 -999
 432 #define HA_END                  -1000
 433
 434 static long helpscreen_state;
 435 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 436 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 437 static int helpscreen_delay[MAX_HELPSCREEN_ELS];
 438 static int helpscreen_action[] =
 439 {
 440   GFX_SPIELER1_DOWN,4,2,
 441   GFX_SPIELER1_UP,4,2,
 442   GFX_SPIELER1_LEFT,4,2,
 443   GFX_SPIELER1_RIGHT,4,2,
 444   GFX_SPIELER1_PUSH_LEFT,4,2,
 445   GFX_SPIELER1_PUSH_RIGHT,4,2,                                  HA_NEXT,
 446   GFX_ERDREICH,1,100,                                           HA_NEXT,
 447   GFX_LEERRAUM,1,100,                                           HA_NEXT,
 448   GFX_MORAST_LEER,1,100,                                        HA_NEXT,
 449   GFX_BETON,1,100,                                              HA_NEXT,
 450   GFX_MAUERWERK,1,100,                                          HA_NEXT,
 451   GFX_MAUER_L1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 452   GFX_MAUER_R1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 453   GFX_MAUER_UP,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 454   GFX_MAUER_DOWN,3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,    HA_NEXT,
 455   GFX_UNSICHTBAR,1,100,                                         HA_NEXT,
 456   GFX_FELSBODEN,1,100,                                          HA_NEXT,
 457   GFX_CHAR_A,30,4, GFX_CHAR_AUSRUF,32,4,                        HA_NEXT,
 458   GFX_EDELSTEIN,2,5,                                            HA_NEXT,
 459   GFX_DIAMANT,2,5,                                              HA_NEXT,
 460   GFX_EDELSTEIN_BD,2,5,                                         HA_NEXT,
 461   GFX_EDELSTEIN_GELB,2,5, GFX_EDELSTEIN_ROT,2,5,
 462   GFX_EDELSTEIN_LILA,2,5,                                       HA_NEXT,
 463   GFX_FELSBROCKEN,4,5,                                          HA_NEXT,
 464   GFX_BOMBE,1,50, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,         HA_NEXT,
 465   GFX_KOKOSNUSS,1,50, GFX_CRACKINGNUT,3,1, GFX_EDELSTEIN,1,10,  HA_NEXT,
 466   GFX_ERZ_EDEL,1,50, GFX_EXPLOSION,8,1, GFX_EDELSTEIN,1,10,     HA_NEXT,
 467   GFX_ERZ_DIAM,1,50, GFX_EXPLOSION,8,1, GFX_DIAMANT,1,10,       HA_NEXT,
 468   GFX_ERZ_EDEL_BD,1,50, GFX_EXPLOSION,8,1,GFX_EDELSTEIN_BD,1,10,HA_NEXT,
 469   GFX_ERZ_EDEL_GELB,1,50, GFX_EXPLOSION,8,1,
 470   GFX_EDELSTEIN_GELB,1,10, GFX_ERZ_EDEL_ROT,1,50,
 471   GFX_EXPLOSION,8,1, GFX_EDELSTEIN_ROT,1,10,
 472   GFX_ERZ_EDEL_LILA,1,50, GFX_EXPLOSION,8,1,
 473   GFX_EDELSTEIN_LILA,1,10,                                      HA_NEXT,
 474   GFX_GEBLUBBER,4,4,                                            HA_NEXT,
 475   GFX_SCHLUESSEL1,4,25,                                         HA_NEXT,
 476   GFX_PFORTE1,4,25,                                             HA_NEXT,
 477   GFX_PFORTE1X,4,25,                                            HA_NEXT,
 478   GFX_DYNAMIT_AUS,1,100,                                        HA_NEXT,
 479   GFX_DYNAMIT,7,6, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,        HA_NEXT,
 480   GFX_DYNABOMB+0,4,3, GFX_DYNABOMB+3,1,3, GFX_DYNABOMB+2,1,3,
 481   GFX_DYNABOMB+1,1,3, GFX_DYNABOMB+0,1,3, GFX_EXPLOSION,8,1,
 482   GFX_LEERRAUM,1,10,                                            HA_NEXT,
 483   GFX_DYNABOMB_NR,1,100,                                        HA_NEXT,
 484   GFX_DYNABOMB_SZ,1,100,                                        HA_NEXT,
 485   GFX_FLIEGER+4,1,3, GFX_FLIEGER+0,1,3, GFX_FLIEGER+4,1,3,
 486   GFX_FLIEGER+5,1,3, GFX_FLIEGER+1,1,3, GFX_FLIEGER+5,1,3,
 487   GFX_FLIEGER+6,1,3, GFX_FLIEGER+2,1,3, GFX_FLIEGER+6,1,3,
 488   GFX_FLIEGER+7,1,3, GFX_FLIEGER+3,1,3, GFX_FLIEGER+7,1,3,      HA_NEXT,
 489   GFX_KAEFER+4,1,1, GFX_KAEFER+0,1,1, GFX_KAEFER+4,1,1,
 490   GFX_KAEFER+5,1,1, GFX_KAEFER+1,1,1, GFX_KAEFER+5,1,1,
 491   GFX_KAEFER+6,1,1, GFX_KAEFER+2,1,1, GFX_KAEFER+6,1,1,
 492   GFX_KAEFER+7,1,1, GFX_KAEFER+3,1,1, GFX_KAEFER+7,1,1,         HA_NEXT,
 493   GFX_BUTTERFLY,2,2,                                            HA_NEXT,
 494   GFX_FIREFLY,2,2,                                              HA_NEXT,
 495   GFX_PACMAN+0,1,3, GFX_PACMAN+4,1,2, GFX_PACMAN+0,1,3,
 496   GFX_PACMAN+1,1,3, GFX_PACMAN+5,1,2, GFX_PACMAN+1,1,3,
 497   GFX_PACMAN+2,1,3, GFX_PACMAN+6,1,2, GFX_PACMAN+2,1,3,
 498   GFX_PACMAN+3,1,3, GFX_PACMAN+7,1,2, GFX_PACMAN+3,1,3,         HA_NEXT,
 499   GFX_MAMPFER+0,4,1, GFX_MAMPFER+3,1,1, GFX_MAMPFER+2,1,1,
 500   GFX_MAMPFER+1,1,1, GFX_MAMPFER+0,1,1,                         HA_NEXT,
 501   GFX_MAMPFER2+0,4,1, GFX_MAMPFER2+3,1,1, GFX_MAMPFER2+2,1,1,
 502   GFX_MAMPFER2+1,1,1, GFX_MAMPFER2+0,1,1,                       HA_NEXT,
 503   GFX_ROBOT+0,4,1, GFX_ROBOT+3,1,1, GFX_ROBOT+2,1,1,
 504   GFX_ROBOT+1,1,1, GFX_ROBOT+0,1,1,                             HA_NEXT,
 505   GFX_MOLE_DOWN,4,2,
 506   GFX_MOLE_UP,4,2,
 507   GFX_MOLE_LEFT,4,2,
 508   GFX_MOLE_RIGHT,4,2,                                           HA_NEXT,
 509   GFX_PINGUIN_DOWN,4,2,
 510   GFX_PINGUIN_UP,4,2,
 511   GFX_PINGUIN_LEFT,4,2,
 512   GFX_PINGUIN_RIGHT,4,2,                                        HA_NEXT,
 513   GFX_SCHWEIN_DOWN,4,2,
 514   GFX_SCHWEIN_UP,4,2,
 515   GFX_SCHWEIN_LEFT,4,2,
 516   GFX_SCHWEIN_RIGHT,4,2,                                        HA_NEXT,
 517   GFX_DRACHE_DOWN,4,2,
 518   GFX_DRACHE_UP,4,2,
 519   GFX_DRACHE_LEFT,4,2,
 520   GFX_DRACHE_RIGHT,4,2,                                         HA_NEXT,
 521   GFX_SONDE_START,8,1,                                          HA_NEXT,
 522   GFX_ABLENK,4,1,                                               HA_NEXT,
 523   GFX_BIRNE_AUS,1,25, GFX_BIRNE_EIN,1,25,                       HA_NEXT,
 524   GFX_ZEIT_VOLL,1,25, GFX_ZEIT_LEER,1,25,                       HA_NEXT,
 525   GFX_TROPFEN,1,25, GFX_AMOEBING,4,1, GFX_AMOEBE_LEBT,1,10,     HA_NEXT,
 526   GFX_AMOEBE_TOT+2,2,50, GFX_AMOEBE_TOT,2,50,                   HA_NEXT,
 527   GFX_AMOEBE_LEBT,4,40,                                         HA_NEXT,
 528   GFX_AMOEBE_LEBT,1,10, GFX_AMOEBING,4,2,                       HA_NEXT,
 529   GFX_AMOEBE_LEBT,1,25, GFX_AMOEBE_TOT,1,25, GFX_EXPLOSION,8,1,
 530   GFX_DIAMANT,1,10,                                             HA_NEXT,
 531   GFX_LIFE,1,100,                                               HA_NEXT,
 532   GFX_LIFE_ASYNC,1,100,                                         HA_NEXT,
 533   GFX_MAGIC_WALL_OFF,4,2,                                       HA_NEXT,
 534   GFX_MAGIC_WALL_BD_OFF,4,2,                                    HA_NEXT,
 535   GFX_AUSGANG_ZU,1,100, GFX_AUSGANG_ACT,4,2,
 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_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 539   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 540   GFX_SOKOBAN_OBJEKT,1,100,                                     HA_NEXT,
 541   GFX_SOKOBAN_FELD_LEER,1,100,                                  HA_NEXT,
 542   GFX_SOKOBAN_FELD_VOLL,1,100,                                  HA_NEXT,
 543   GFX_SPEED_PILL,1,100,                                         HA_NEXT,
 544   HA_END
 545 };
 546 static char *helpscreen_eltext[][2] =
 547 {
 548  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 549  {"Normal sand:",                       "You can dig through it"},
 550  {"Empty field:",                       "You can walk through it"},
 551  {"Quicksand: You cannot pass it,",     "but rocks can fall though it"},
 552  {"Massive Wall:",                      "Nothing can go through it"},
 553  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 554  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 555  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 556  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 557  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 558  {"Emerald: You must collect enough of","them to finish a level"},
 559  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 560  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 561  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 562  {"Rock: Smashes several things;",      "Can be moved by the player"},
 563  {"Bomb: You can move it, but be",      "careful when dropping it"},
 564  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 565  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 566  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 567  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 568  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 569  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 570  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 571  {"Door: Can be opened by the key",     "with the same color"},
 572  {"Door: You have to find out the",     "right color of the key for it"},
 573  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 574  {"Dynamite: This one explodes after",  "a few seconds"},
 575  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 576  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 577  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 578  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 579  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 580  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 581  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 582  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 583  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 584  {"Cruncher (BD style):",               "Eats almost everything"},
 585  {"Robot: Tries to kill the player",    ""},
 586  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 587  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 588  {"The Pig: Harmless, but eats all",    "gems it can get"},
 589  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 590  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 591  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 592  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 593  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 594  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 595  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 596  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 597  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 598  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 599  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 600  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 601  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 602  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 603  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 604  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 605  {"Sokoban element: Object which must", "be pushed to an empty field"},
 606  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 607  {"Sokoban element: Field with object", "which can be pushed away"},
 608  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 609 };
 610 static int num_helpscreen_els = sizeof(helpscreen_eltext)/(2*sizeof(char *));
 611
 612 static char *helpscreen_music[][3] =
 613 {
 614   { "Alchemy",                  "Ian Boddy",            "Drive" },
 615   { "The Chase",                "Propaganda",           "A Secret Wish" },
 616   { "Network 23",               "Tangerine Dream",      "Exit" },
 617   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 618   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 619   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 620   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 621 };
 622 static int num_helpscreen_music = 7;
 623 static int helpscreen_musicpos;
 624
 625 void DrawHelpScreenElAction(int start)
 626 {
 627   int i = 0, j = 0;
 628   int frame, graphic;
 629   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 630
 631   while(helpscreen_action[j] != HA_END)
 632   {
 633     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 634       break;
 635     else if (i<start || helpscreen_delay[i-start])
 636     {
 637       if (i>=start && helpscreen_delay[i-start])
 638         helpscreen_delay[i-start]--;
 639
 640       while(helpscreen_action[j] != HA_NEXT)
 641         j++;
 642       j++;
 643       i++;
 644       continue;
 645     }
 646
 647     j += 3*helpscreen_step[i-start];
 648     graphic = helpscreen_action[j++];
 649
 650     if (helpscreen_frame[i-start])
 651     {
 652       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 653       helpscreen_frame[i-start]--;
 654     }
 655     else
 656     {
 657       frame = 0;
 658       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 659     }
 660
 661     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 662
 663     if (helpscreen_action[j] == HA_NEXT)
 664     {
 665       if (!helpscreen_frame[i-start])
 666         helpscreen_step[i-start] = 0;
 667     }
 668     else
 669     {
 670       if (!helpscreen_frame[i-start])
 671         helpscreen_step[i-start]++;
 672       while(helpscreen_action[j] != HA_NEXT)
 673         j++;
 674     }
 675     j++;
 676
 677     DrawGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 678     i++;
 679   }
 680
 681   for(i=2;i<16;i++)
 682   {
 683     MarkTileDirty(0,i);
 684     MarkTileDirty(1,i);
 685   }
 686 }
 687
 688 void DrawHelpScreenElText(int start)
 689 {
 690   int i;
 691   int xstart = SX + 56, ystart = SY + 65 + 2 * 32, ystep = TILEY + 4;
 692   int ybottom = SYSIZE - 20;
 693
 694   ClearWindow();
 695   DrawHeadline();
 696
 697   DrawTextFCentered(100, FC_GREEN, "The game elements:");
 698
 699   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
 700   {
 701     DrawText(xstart,
 702              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
 703              helpscreen_eltext[i][0], FS_SMALL, FC_YELLOW);
 704     DrawText(xstart, ystart + (i - start) * ystep + 16,
 705              helpscreen_eltext[i][1], FS_SMALL, FC_YELLOW);
 706   }
 707
 708   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 709 }
 710
 711 void DrawHelpScreenMusicText(int num)
 712 {
 713   int ystart = 150, ystep = 30;
 714   int ybottom = SYSIZE - 20;
 715
 716   FadeSounds();
 717   ClearWindow();
 718   DrawHeadline();
 719
 720   DrawTextFCentered(100, FC_GREEN, "The game background music loops:");
 721
 722   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 723                     "Excerpt from");
 724   DrawTextFCentered(ystart + 1 * ystep, FC_RED, "\"%s\"",
 725                     helpscreen_music[num][0]);
 726   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 727                     "by");
 728   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 729                     "%s", helpscreen_music[num][1]);
 730   DrawTextFCentered(ystart + 4 * ystep, FC_YELLOW,
 731                     "from the album");
 732   DrawTextFCentered(ystart + 5 * ystep, FC_RED, "\"%s\"",
 733                     helpscreen_music[num][2]);
 734
 735   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 736
 737 #if 0
 738   PlaySoundLoop(background_loop[num]);
 739 #endif
 740 }
 741
 742 void DrawHelpScreenCreditsText()
 743 {
 744   int ystart = 150, ystep = 30;
 745   int ybottom = SYSIZE - 20;
 746
 747   FadeSounds();
 748   ClearWindow();
 749   DrawHeadline();
 750
 751   DrawTextFCentered(100, FC_GREEN,
 752                     "Credits:");
 753   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 754                     "DOS port of the game:");
 755   DrawTextFCentered(ystart + 1 * ystep, FC_RED,
 756                     "Guido Schulz");
 757   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 758                     "Additional toons:");
 759   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 760                     "Karl Hörnell");
 761   DrawTextFCentered(ystart + 5 * ystep, FC_YELLOW,
 762                     "...and many thanks to all contributors");
 763   DrawTextFCentered(ystart + 6 * ystep, FC_YELLOW,
 764                     "of new levels!");
 765
 766   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 767 }
 768
 769 void DrawHelpScreenContactText()
 770 {
 771   int ystart = 150, ystep = 30;
 772   int ybottom = SYSIZE - 20;
 773
 774   ClearWindow();
 775   DrawHeadline();
 776
 777   DrawTextFCentered(100, FC_GREEN, "Program information:");
 778
 779   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 780                     "This game is Freeware!");
 781   DrawTextFCentered(ystart + 1 * ystep, FC_YELLOW,
 782                     "If you like it, send e-mail to:");
 783   DrawTextFCentered(ystart + 2 * ystep, FC_RED,
 784                     "info@artsoft.org");
 785   DrawTextFCentered(ystart + 3 * ystep, FC_YELLOW,
 786                     "or SnailMail to:");
 787   DrawTextFCentered(ystart + 4 * ystep + 0, FC_RED,
 788                     "Holger Schemel");
 789   DrawTextFCentered(ystart + 4 * ystep + 20, FC_RED,
 790                     "Detmolder Strasse 189");
 791   DrawTextFCentered(ystart + 4 * ystep + 40, FC_RED,
 792                     "33604 Bielefeld");
 793   DrawTextFCentered(ystart + 4 * ystep + 60, FC_RED,
 794                     "Germany");
 795
 796   DrawTextFCentered(ystart + 7 * ystep, FC_YELLOW,
 797                     "If you have created new levels,");
 798   DrawTextFCentered(ystart + 8 * ystep, FC_YELLOW,
 799                     "send them to me to include them!");
 800   DrawTextFCentered(ystart + 9 * ystep, FC_YELLOW,
 801                     ":-)");
 802
 803   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for main menu");
 804 }
 805
 806 void DrawHelpScreen()
 807 {
 808   int i;
 809
 810   UnmapAllGadgets();
 811   CloseDoor(DOOR_CLOSE_2);
 812
 813   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 814     helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 815   helpscreen_musicpos = 0;
 816   helpscreen_state = 0;
 817   DrawHelpScreenElText(0);
 818   DrawHelpScreenElAction(0);
 819
 820   FadeToFront();
 821   InitAnimation();
 822   PlaySoundLoop(SND_MENU_INFO_SCREEN);
 823 }
 824
 825 void HandleHelpScreen(int button)
 826 {
 827   static unsigned long hs_delay = 0;
 828   int num_helpscreen_els_pages =
 829     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
 830   int button_released = !button;
 831   int i;
 832
 833   if (button_released)
 834   {
 835     if (helpscreen_state < num_helpscreen_els_pages - 1)
 836     {
 837       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 838         helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 839       helpscreen_state++;
 840       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
 841       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
 842     }
 843     else if (helpscreen_state <
 844              num_helpscreen_els_pages + num_helpscreen_music - 1)
 845     {
 846       helpscreen_state++;
 847       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
 848     }
 849     else if (helpscreen_state ==
 850              num_helpscreen_els_pages + num_helpscreen_music - 1)
 851     {
 852       helpscreen_state++;
 853       DrawHelpScreenCreditsText();
 854     }
 855     else if (helpscreen_state ==
 856              num_helpscreen_els_pages + num_helpscreen_music)
 857     {
 858       helpscreen_state++;
 859       DrawHelpScreenContactText();
 860     }
 861     else
 862     {
 863       FadeSounds();
 864       DrawMainMenu();
 865       game_status = MAINMENU;
 866     }
 867   }
 868   else
 869   {
 870     if (DelayReached(&hs_delay, GAME_FRAME_DELAY * 2))
 871     {
 872       if (helpscreen_state < num_helpscreen_els_pages)
 873         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
 874     }
 875
 876     /* !!! workaround for playing "music" that is really a sound loop (and
 877        must therefore periodically be reactivated with the current sound
 878        engine !!! */
 879     PlaySoundLoop(SND_MENU_INFO_SCREEN);
 880
 881     DoAnimation();
 882   }
 883
 884   BackToFront();
 885 }
 886
 887 void HandleTypeName(int newxpos, Key key)
 888 {
 889   static int xpos = 0, ypos = 2;
 890
 891   if (newxpos)
 892   {
 893     xpos = newxpos;
 894     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_YELLOW);
 895     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 896     return;
 897   }
 898
 899   if (((key >= KSYM_A && key <= KSYM_Z) ||
 900        (key >= KSYM_a && key <= KSYM_z)) &&
 901       xpos < MAX_PLAYER_NAME_LEN)
 902   {
 903     char ascii;
 904
 905     if (key >= KSYM_A && key <= KSYM_Z)
 906       ascii = 'A' + (char)(key - KSYM_A);
 907     else
 908       ascii = 'a' + (char)(key - KSYM_a);
 909
 910     setup.player_name[xpos] = ascii;
 911     setup.player_name[xpos + 1] = 0;
 912     xpos++;
 913     DrawTextExt(drawto, SX + 6*32, SY + ypos*32,
 914                 setup.player_name, FS_BIG, FC_YELLOW);
 915     DrawTextExt(window, SX + 6*32, SY + ypos*32,
 916                 setup.player_name, FS_BIG, FC_YELLOW);
 917     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 918   }
 919   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
 920   {
 921     xpos--;
 922     setup.player_name[xpos] = 0;
 923     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 924     DrawGraphic(xpos + 7, ypos, GFX_LEERRAUM);
 925   }
 926   else if (key == KSYM_Return && xpos > 0)
 927   {
 928     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_RED);
 929     DrawGraphic(xpos + 6, ypos, GFX_LEERRAUM);
 930
 931     SaveSetup();
 932     game_status = MAINMENU;
 933   }
 934
 935   BackToFront();
 936 }
 937
 938 static void DrawChooseTree(TreeInfo **ti_ptr)
 939 {
 940   UnmapAllGadgets();
 941   CloseDoor(DOOR_CLOSE_2);
 942
 943   ClearWindow();
 944   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
 945   MapChooseTreeGadgets(*ti_ptr);
 946
 947   FadeToFront();
 948   InitAnimation();
 949 }
 950
 951 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
 952 {
 953   struct GadgetInfo *gi = screen_gadget[id];
 954   int items_max, items_visible, item_position;
 955
 956   items_max = numTreeInfoInGroup(ti);
 957   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 958   item_position = first_entry;
 959
 960   if (item_position > items_max - items_visible)
 961     item_position = items_max - items_visible;
 962
 963   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
 964                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
 965 }
 966
 967 static void drawChooseTreeList(int first_entry, int num_page_entries,
 968                                TreeInfo *ti)
 969 {
 970   int i;
 971   char buffer[SCR_FIELDX * 2];
 972   int max_buffer_len = (SCR_FIELDX - 2) * 2;
 973   int num_entries = numTreeInfoInGroup(ti);
 974   char *title_string = NULL;
 975   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
 976
 977   ClearRectangle(backbuffer, SX, SY, SXSIZE - 32, SYSIZE);
 978   redraw_mask |= REDRAW_FIELD;
 979
 980   title_string =
 981     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
 982      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
 983      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
 984      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
 985
 986   DrawText(SX + offset, SY + offset, title_string, FS_BIG,
 987            (ti->type == TREE_TYPE_LEVEL_DIR ? FC_GREEN : FC_YELLOW));
 988
 989   for(i=0; i<num_page_entries; i++)
 990   {
 991     TreeInfo *node, *node_first;
 992     int entry_pos = first_entry + i;
 993     int ypos = MENU_SCREEN_START_YPOS + i;
 994
 995     node_first = getTreeInfoFirstGroupEntry(ti);
 996     node = getTreeInfoFromPos(node_first, entry_pos);
 997
 998     strncpy(buffer, node->name , max_buffer_len);
 999     buffer[max_buffer_len] = '\0';
1000
1001     DrawText(SX + 32, SY + ypos * 32, buffer, FS_MEDIUM, node->color);
1002
1003     if (node->parent_link)
1004       initCursor(i, GFX_ARROW_BLUE_LEFT);
1005     else if (node->level_group)
1006       initCursor(i, GFX_ARROW_BLUE_RIGHT);
1007     else
1008       initCursor(i, GFX_KUGEL_BLAU);
1009   }
1010
1011   if (first_entry > 0)
1012     DrawGraphic(0, 1, GFX_ARROW_BLUE_UP);
1013
1014   if (first_entry + num_page_entries < num_entries)
1015     DrawGraphic(0, MAX_MENU_ENTRIES_ON_SCREEN + 1, GFX_ARROW_BLUE_DOWN);
1016 }
1017
1018 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1019 {
1020   TreeInfo *node, *node_first;
1021   int x, last_redraw_mask = redraw_mask;
1022
1023   if (ti->type != TREE_TYPE_LEVEL_DIR)
1024     return;
1025
1026   node_first = getTreeInfoFirstGroupEntry(ti);
1027   node = getTreeInfoFromPos(node_first, entry_pos);
1028
1029   ClearRectangle(drawto, SX + 32, SY + 32, SXSIZE - 64, 32);
1030
1031   if (node->parent_link)
1032     DrawTextFCentered(40, FC_RED, "leave group \"%s\"", node->class_desc);
1033   else if (node->level_group)
1034     DrawTextFCentered(40, FC_RED, "enter group \"%s\"", node->class_desc);
1035   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1036     DrawTextFCentered(40, FC_RED, "%3d levels (%s)",
1037                       node->levels, node->class_desc);
1038
1039   /* let BackToFront() redraw only what is needed */
1040   redraw_mask = last_redraw_mask | REDRAW_TILES;
1041   for (x=0; x<SCR_FIELDX; x++)
1042     MarkTileDirty(x, 1);
1043 }
1044
1045 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1046                              TreeInfo **ti_ptr)
1047 {
1048   static unsigned long choose_delay = 0;
1049   TreeInfo *ti = *ti_ptr;
1050   int x = 0;
1051   int y = ti->cl_cursor;
1052   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1053   int num_entries = numTreeInfoInGroup(ti);
1054   int num_page_entries;
1055
1056   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1057     num_page_entries = num_entries;
1058   else
1059     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1060
1061   if (button == MB_MENU_INITIALIZE)
1062   {
1063     int entry_pos = posTreeInfo(ti);
1064
1065     if (ti->cl_first == -1)
1066     {
1067       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1068       ti->cl_cursor =
1069         entry_pos - ti->cl_first;
1070     }
1071
1072     if (dx == 999)      /* first entry is set by scrollbar position */
1073       ti->cl_first = dy;
1074     else
1075       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1076                                 ti->cl_first, ti);
1077
1078     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1079     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1080     drawCursor(ti->cl_cursor, FC_RED);
1081     return;
1082   }
1083   else if (button == MB_MENU_LEAVE)
1084   {
1085     if (ti->node_parent)
1086     {
1087       *ti_ptr = ti->node_parent;
1088       DrawChooseTree(ti_ptr);
1089     }
1090     else if (game_status == SETUP)
1091     {
1092       execSetupArtwork();
1093     }
1094     else
1095     {
1096       game_status = MAINMENU;
1097       DrawMainMenu();
1098     }
1099
1100     return;
1101   }
1102
1103   if (mx || my)         /* mouse input */
1104   {
1105     x = (mx - SX) / 32;
1106     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1107   }
1108   else if (dx || dy)    /* keyboard input */
1109   {
1110     if (dy)
1111       y = ti->cl_cursor + dy;
1112
1113     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1114     {
1115       dy = SIGN(dy);
1116       step = num_page_entries - 1;
1117       y = (dy < 0 ? -1 : num_page_entries);
1118     }
1119   }
1120
1121   if (x == 0 && y == -1)
1122   {
1123     if (ti->cl_first > 0 &&
1124         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1125     {
1126       ti->cl_first -= step;
1127       if (ti->cl_first < 0)
1128         ti->cl_first = 0;
1129
1130       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1131       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1132       drawCursor(ti->cl_cursor, FC_RED);
1133       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1134                                 ti->cl_first, ti);
1135       return;
1136     }
1137   }
1138   else if (x == 0 && y > num_page_entries - 1)
1139   {
1140     if (ti->cl_first + num_page_entries < num_entries &&
1141         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1142     {
1143       ti->cl_first += step;
1144       if (ti->cl_first + num_page_entries > num_entries)
1145         ti->cl_first = MAX(0, num_entries - num_page_entries);
1146
1147       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1148       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1149       drawCursor(ti->cl_cursor, FC_RED);
1150       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1151                                 ti->cl_first, ti);
1152       return;
1153     }
1154   }
1155
1156   if (dx == 1)
1157   {
1158     TreeInfo *node_first, *node_cursor;
1159     int entry_pos = ti->cl_first + y;
1160
1161     node_first = getTreeInfoFirstGroupEntry(ti);
1162     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1163
1164     if (node_cursor->node_group)
1165     {
1166       node_cursor->cl_first = ti->cl_first;
1167       node_cursor->cl_cursor = ti->cl_cursor;
1168       *ti_ptr = node_cursor->node_group;
1169       DrawChooseTree(ti_ptr);
1170       return;
1171     }
1172   }
1173   else if (dx == -1 && ti->node_parent)
1174   {
1175     *ti_ptr = ti->node_parent;
1176     DrawChooseTree(ti_ptr);
1177     return;
1178   }
1179
1180   if (x == 0 && y >= 0 && y < num_page_entries)
1181   {
1182     if (button)
1183     {
1184       if (y != ti->cl_cursor)
1185       {
1186         drawCursor(y, FC_RED);
1187         drawCursor(ti->cl_cursor, FC_BLUE);
1188         drawChooseTreeInfo(ti->cl_first + y, ti);
1189         ti->cl_cursor = y;
1190       }
1191     }
1192     else
1193     {
1194       TreeInfo *node_first, *node_cursor;
1195       int entry_pos = ti->cl_first + y;
1196
1197       node_first = getTreeInfoFirstGroupEntry(ti);
1198       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1199
1200       if (node_cursor->node_group)
1201       {
1202         node_cursor->cl_first = ti->cl_first;
1203         node_cursor->cl_cursor = ti->cl_cursor;
1204         *ti_ptr = node_cursor->node_group;
1205         DrawChooseTree(ti_ptr);
1206       }
1207       else if (node_cursor->parent_link)
1208       {
1209         *ti_ptr = node_cursor->node_parent;
1210         DrawChooseTree(ti_ptr);
1211       }
1212       else
1213       {
1214         node_cursor->cl_first = ti->cl_first;
1215         node_cursor->cl_cursor = ti->cl_cursor;
1216         *ti_ptr = node_cursor;
1217
1218         if (ti->type == TREE_TYPE_LEVEL_DIR)
1219         {
1220           LoadLevelSetup_SeriesInfo();
1221
1222           SaveLevelSetup_LastSeries();
1223           SaveLevelSetup_SeriesInfo();
1224           TapeErase();
1225         }
1226
1227         if (game_status == SETUP)
1228         {
1229           execSetupArtwork();
1230         }
1231         else
1232         {
1233           game_status = MAINMENU;
1234           DrawMainMenu();
1235         }
1236       }
1237     }
1238   }
1239
1240   BackToFront();
1241
1242   if (game_status == CHOOSELEVEL || game_status == SETUP)
1243     DoAnimation();
1244 }
1245
1246 void DrawChooseLevel()
1247 {
1248   DrawChooseTree(&leveldir_current);
1249 }
1250
1251 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1252 {
1253   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1254 }
1255
1256 void DrawHallOfFame(int highlight_position)
1257 {
1258   UnmapAllGadgets();
1259   FadeSounds();
1260   CloseDoor(DOOR_CLOSE_2);
1261
1262   if (highlight_position < 0)
1263     LoadScore(level_nr);
1264
1265   FadeToFront();
1266   InitAnimation();
1267   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1268   PlaySound(SND_MENU_HALL_OF_FAME);
1269 }
1270
1271 static void drawHallOfFameList(int first_entry, int highlight_position)
1272 {
1273   int i;
1274
1275   ClearWindow();
1276   DrawText(SX + 80, SY + 8, "Hall Of Fame", FS_BIG, FC_YELLOW);
1277   DrawTextFCentered(46, FC_RED, "HighScores of Level %d", level_nr);
1278
1279   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1280   {
1281     int entry = first_entry + i;
1282     int color = (entry == highlight_position ? FC_RED : FC_GREEN);
1283
1284 #if 0
1285     DrawText(SX, SY + 64 + i * 32, ".................", FS_BIG, color);
1286     DrawText(SX, SY + 64 + i * 32, highscore[i].Name, FS_BIG, color);
1287     DrawText(SX + 12 * 32, SY + 64 + i * 32,
1288              int2str(highscore[i].Score, 5), FS_BIG, color);
1289 #else
1290     DrawText(SX, SY + 64 + i * 32, "..................................",
1291              FS_MEDIUM, FC_YELLOW);
1292     DrawText(SX, SY + 64 + i * 32, int2str(entry + 1, 3),
1293              FS_MEDIUM, FC_YELLOW);
1294     DrawText(SX + 64, SY + 64 + i * 32, highscore[entry].Name, FS_BIG, color);
1295     DrawText(SX + 14 * 32 + 16, SY + 64 + i * 32,
1296              int2str(highscore[entry].Score, 5), FS_MEDIUM, color);
1297 #endif
1298   }
1299 }
1300
1301 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1302 {
1303   static int first_entry = 0;
1304   static int highlight_position = 0;
1305   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1306   int button_released = !button;
1307
1308   if (button == MB_MENU_INITIALIZE)
1309   {
1310     first_entry = 0;
1311     highlight_position = mx;
1312     drawHallOfFameList(first_entry, highlight_position);
1313     return;
1314   }
1315
1316   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1317     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1318
1319   if (dy < 0)
1320   {
1321     if (first_entry > 0)
1322     {
1323       first_entry -= step;
1324       if (first_entry < 0)
1325         first_entry = 0;
1326
1327       drawHallOfFameList(first_entry, highlight_position);
1328       return;
1329     }
1330   }
1331   else if (dy > 0)
1332   {
1333     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1334     {
1335       first_entry += step;
1336       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1337         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1338
1339       drawHallOfFameList(first_entry, highlight_position);
1340       return;
1341     }
1342   }
1343
1344   if (button_released)
1345   {
1346     FadeSound(SND_MENU_HALL_OF_FAME);
1347     game_status = MAINMENU;
1348     DrawMainMenu();
1349   }
1350
1351   BackToFront();
1352
1353   if (game_status == HALLOFFAME)
1354     DoAnimation();
1355 }
1356
1357
1358 /* ========================================================================= */
1359 /* setup screen functions                                                    */
1360 /* ========================================================================= */
1361
1362 static struct TokenInfo *setup_info;
1363 static int num_setup_info;
1364
1365 static void execSetupMain()
1366 {
1367   setup_mode = SETUP_MODE_MAIN;
1368   DrawSetupScreen();
1369 }
1370
1371 static void execSetupGame()
1372 {
1373   setup_mode = SETUP_MODE_GAME;
1374   DrawSetupScreen();
1375 }
1376
1377 static void execSetupGraphics()
1378 {
1379   setup_mode = SETUP_MODE_GRAPHICS;
1380   DrawSetupScreen();
1381 }
1382
1383 static void execSetupSound()
1384 {
1385   setup_mode = SETUP_MODE_SOUND;
1386   DrawSetupScreen();
1387 }
1388
1389 static void execSetupArtwork()
1390 {
1391   /* needed if last screen (setup choice) changed graphics, sounds or music */
1392   ReloadCustomArtwork();
1393
1394   setup.graphics_set = artwork.gfx_current->name;
1395   setup.sounds_set = artwork.snd_current->name;
1396   setup.music_set = artwork.mus_current->name;
1397
1398   setup_mode = SETUP_MODE_ARTWORK;
1399   DrawSetupScreen();
1400 }
1401
1402 static void execSetupChooseGraphics()
1403 {
1404   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1405   DrawSetupScreen();
1406 }
1407
1408 static void execSetupChooseSounds()
1409 {
1410   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1411   DrawSetupScreen();
1412 }
1413
1414 static void execSetupChooseMusic()
1415 {
1416   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1417   DrawSetupScreen();
1418 }
1419
1420 static void execSetupInput()
1421 {
1422   setup_mode = SETUP_MODE_INPUT;
1423   DrawSetupScreen();
1424 }
1425
1426 static void execSetupShortcut()
1427 {
1428   setup_mode = SETUP_MODE_SHORTCUT;
1429   DrawSetupScreen();
1430 }
1431
1432 static void execExitSetup()
1433 {
1434   game_status = MAINMENU;
1435   DrawMainMenu();
1436 }
1437
1438 static void execSaveAndExitSetup()
1439 {
1440   SaveSetup();
1441   execExitSetup();
1442 }
1443
1444 static struct TokenInfo setup_info_main[] =
1445 {
1446   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1447   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1448   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1449   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1450   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1451   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1452   { TYPE_EMPTY,         NULL,                   ""                      },
1453   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1454   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and exit"         },
1455   { 0,                  NULL,                   NULL                    }
1456 };
1457
1458 static struct TokenInfo setup_info_game[] =
1459 {
1460   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1461   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1462   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1463   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1464   { TYPE_EMPTY,         NULL,                   ""                      },
1465   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1466   { 0,                  NULL,                   NULL                    }
1467 };
1468
1469 static struct TokenInfo setup_info_graphics[] =
1470 {
1471   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1472   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1473   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1474 #if 0
1475   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1476   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1477 #endif
1478   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1479   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1480   { TYPE_EMPTY,         NULL,                   ""                      },
1481   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1482   { 0,                  NULL,                   NULL                    }
1483 };
1484
1485 static struct TokenInfo setup_info_sound[] =
1486 {
1487   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1488   { TYPE_EMPTY,         NULL,                   ""                      },
1489   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1490   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1491   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1492   { TYPE_EMPTY,         NULL,                   ""                      },
1493   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1494   { 0,                  NULL,                   NULL                    }
1495 };
1496
1497 static struct TokenInfo setup_info_artwork[] =
1498 {
1499   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1500   { TYPE_STRING,        &setup.graphics_set,    ""                      },
1501   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1502   { TYPE_STRING,        &setup.sounds_set,      ""                      },
1503   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1504   { TYPE_STRING,        &setup.music_set,       ""                      },
1505   { TYPE_EMPTY,         NULL,                   ""                      },
1506   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1507   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1508   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1509   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1510   { TYPE_EMPTY,         NULL,                   ""                      },
1511   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1512   { 0,                  NULL,                   NULL                    }
1513 };
1514
1515 static struct TokenInfo setup_info_shortcut[] =
1516 {
1517   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1518   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1519   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1520   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1521   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1522   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1523   { TYPE_EMPTY,         NULL,                   ""                      },
1524   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1525   { TYPE_EMPTY,         NULL,                   ""                      },
1526   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1527   { 0,                  NULL,                   NULL                    }
1528 };
1529
1530 static Key getSetupKey()
1531 {
1532   Key key = KSYM_UNDEFINED;
1533   boolean got_key_event = FALSE;
1534
1535   while (!got_key_event)
1536   {
1537     if (PendingEvent())         /* got event */
1538     {
1539       Event event;
1540
1541       NextEvent(&event);
1542
1543       switch(event.type)
1544       {
1545         case EVENT_KEYPRESS:
1546           {
1547             key = GetEventKey((KeyEvent *)&event, TRUE);
1548
1549             /* press 'Escape' or 'Enter' to keep the existing key binding */
1550             if (key == KSYM_Escape || key == KSYM_Return)
1551               key = KSYM_UNDEFINED;     /* keep old value */
1552
1553             got_key_event = TRUE;
1554           }
1555           break;
1556
1557         case EVENT_KEYRELEASE:
1558           key_joystick_mapping = 0;
1559           break;
1560
1561         default:
1562           HandleOtherEvents(&event);
1563           break;
1564       }
1565     }
1566
1567     BackToFront();
1568     DoAnimation();
1569
1570     /* don't eat all CPU time */
1571     Delay(10);
1572   }
1573
1574   return key;
1575 }
1576
1577 static void drawSetupValue(int pos)
1578 {
1579   int xpos = MENU_SCREEN_VALUE_XPOS;
1580   int ypos = MENU_SCREEN_START_YPOS + pos;
1581   int font_size = FS_BIG;
1582   int font_color = FC_YELLOW;
1583   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1584                                      setup_info[pos].value);
1585
1586   if (value_string == NULL)
1587     return;
1588
1589   if (setup_info[pos].type & TYPE_KEY)
1590   {
1591     xpos = 3;
1592
1593     if (setup_info[pos].type & TYPE_QUERY)
1594     {
1595       value_string = "<press key>";
1596       font_color = FC_RED;
1597     }
1598   }
1599   else if (setup_info[pos].type & TYPE_STRING)
1600   {
1601     int max_value_len = (SCR_FIELDX - 2) * 2;
1602
1603     xpos = 1;
1604     font_size = FS_MEDIUM;
1605
1606     if (strlen(value_string) > max_value_len)
1607       value_string[max_value_len] = '\0';
1608   }
1609   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
1610            !*(boolean *)(setup_info[pos].value))
1611     font_color = FC_BLUE;
1612
1613   DrawText(SX + xpos * 32, SY + ypos * 32,
1614            (xpos == 3 ? "              " : "   "), FS_BIG, FC_YELLOW);
1615   DrawText(SX + xpos * 32, SY + ypos * 32, value_string, font_size,font_color);
1616 }
1617
1618 static void changeSetupValue(int pos)
1619 {
1620   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1621   {
1622     *(boolean *)setup_info[pos].value ^= TRUE;
1623   }
1624   else if (setup_info[pos].type & TYPE_KEY)
1625   {
1626     Key key;
1627
1628     setup_info[pos].type |= TYPE_QUERY;
1629     drawSetupValue(pos);
1630     setup_info[pos].type &= ~TYPE_QUERY;
1631
1632     key = getSetupKey();
1633     if (key != KSYM_UNDEFINED)
1634       *(Key *)setup_info[pos].value = key;
1635   }
1636
1637   drawSetupValue(pos);
1638 }
1639
1640 static void DrawSetupScreen_Generic()
1641 {
1642   char *title_string = NULL;
1643   int i;
1644
1645   UnmapAllGadgets();
1646   CloseDoor(DOOR_CLOSE_2);
1647   ClearWindow();
1648
1649   if (setup_mode == SETUP_MODE_MAIN)
1650   {
1651     setup_info = setup_info_main;
1652     title_string = "Setup";
1653   }
1654   else if (setup_mode == SETUP_MODE_GAME)
1655   {
1656     setup_info = setup_info_game;
1657     title_string = "Setup Game";
1658   }
1659   else if (setup_mode == SETUP_MODE_GRAPHICS)
1660   {
1661     setup_info = setup_info_graphics;
1662     title_string = "Setup Graphics";
1663   }
1664   else if (setup_mode == SETUP_MODE_SOUND)
1665   {
1666     setup_info = setup_info_sound;
1667     title_string = "Setup Sound";
1668   }
1669   else if (setup_mode == SETUP_MODE_ARTWORK)
1670   {
1671     setup_info = setup_info_artwork;
1672     title_string = "Custom Artwork";
1673   }
1674   else if (setup_mode == SETUP_MODE_SHORTCUT)
1675   {
1676     setup_info = setup_info_shortcut;
1677     title_string = "Setup Shortcuts";
1678   }
1679
1680   DrawText(SX + 16, SY + 16, title_string, FS_BIG, FC_YELLOW);
1681
1682   num_setup_info = 0;
1683   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1684   {
1685     void *value_ptr = setup_info[i].value;
1686     int ypos = MENU_SCREEN_START_YPOS + i;
1687     int font_size = FS_BIG;
1688
1689     /* set some entries to "unchangeable" according to other variables */
1690     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
1691         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
1692         (value_ptr == &setup.sound_music && !audio.music_available) ||
1693         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
1694       setup_info[i].type |= TYPE_GHOSTED;
1695
1696     if (setup_info[i].type & TYPE_STRING)
1697       font_size = FS_MEDIUM;
1698
1699     DrawText(SX + 32, SY + ypos * 32, setup_info[i].text, font_size, FC_GREEN);
1700
1701     if (setup_info[i].type & TYPE_ENTER_MENU)
1702       initCursor(i, GFX_ARROW_BLUE_RIGHT);
1703     else if (setup_info[i].type & TYPE_LEAVE_MENU)
1704       initCursor(i, GFX_ARROW_BLUE_LEFT);
1705     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
1706       initCursor(i, GFX_KUGEL_BLAU);
1707
1708     if (setup_info[i].type & TYPE_VALUE)
1709       drawSetupValue(i);
1710
1711     num_setup_info++;
1712   }
1713
1714   FadeToFront();
1715   InitAnimation();
1716   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
1717 }
1718
1719 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
1720 {
1721   static int choice_store[MAX_SETUP_MODES];
1722   int choice = choice_store[setup_mode];
1723   int x = 0;
1724   int y = choice;
1725
1726   if (button == MB_MENU_INITIALIZE)
1727   {
1728     drawCursor(choice, FC_RED);
1729     return;
1730   }
1731   else if (button == MB_MENU_LEAVE)
1732   {
1733     for (y=0; y<num_setup_info; y++)
1734     {
1735       if (setup_info[y].type & TYPE_LEAVE_MENU)
1736       {
1737         void (*menu_callback_function)(void) = setup_info[y].value;
1738
1739         menu_callback_function();
1740         break;  /* absolutely needed because function changes 'setup_info'! */
1741       }
1742     }
1743
1744     return;
1745   }
1746
1747   if (mx || my)         /* mouse input */
1748   {
1749     x = (mx - SX) / 32;
1750     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1751   }
1752   else if (dx || dy)    /* keyboard input */
1753   {
1754     if (dx)
1755     {
1756       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
1757
1758       if ((setup_info[choice].type & menu_navigation_type) ||
1759           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
1760         button = MB_MENU_CHOICE;
1761     }
1762     else if (dy)
1763       y = choice + dy;
1764
1765     /* jump to next non-empty menu entry (up or down) */
1766     while (y > 0 && y < num_setup_info - 1 &&
1767            (setup_info[y].type & TYPE_SKIP_ENTRY))
1768       y += dy;
1769   }
1770
1771   if (x == 0 && y >= 0 && y < num_setup_info &&
1772       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
1773   {
1774     if (button)
1775     {
1776       if (y != choice)
1777       {
1778         drawCursor(y, FC_RED);
1779         drawCursor(choice, FC_BLUE);
1780         choice = choice_store[setup_mode] = y;
1781       }
1782     }
1783     else if (!(setup_info[y].type & TYPE_GHOSTED))
1784     {
1785       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1786       {
1787         void (*menu_callback_function)(void) = setup_info[choice].value;
1788
1789         menu_callback_function();
1790       }
1791       else
1792       {
1793         if ((setup_info[y].type & TYPE_KEYTEXT) &&
1794             (setup_info[y + 1].type & TYPE_KEY))
1795           y++;
1796
1797         if (setup_info[y].type & TYPE_VALUE)
1798           changeSetupValue(y);
1799       }
1800     }
1801   }
1802
1803   BackToFront();
1804
1805   if (game_status == SETUP)
1806     DoAnimation();
1807 }
1808
1809 void DrawSetupScreen_Input()
1810 {
1811   ClearWindow();
1812   DrawText(SX+16, SY+16, "Setup Input", FS_BIG, FC_YELLOW);
1813
1814   initCursor(0, GFX_KUGEL_BLAU);
1815   initCursor(1, GFX_KUGEL_BLAU);
1816   initCursor(2, GFX_ARROW_BLUE_RIGHT);
1817   initCursor(13, GFX_ARROW_BLUE_LEFT);
1818
1819   DrawGraphic(10, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_LEFT);
1820   DrawGraphic(12, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_RIGHT);
1821
1822   DrawText(SX+32, SY+2*32, "Player:", FS_BIG, FC_GREEN);
1823   DrawText(SX+32, SY+3*32, "Device:", FS_BIG, FC_GREEN);
1824   DrawText(SX+32, SY+15*32, "Exit", FS_BIG, FC_GREEN);
1825
1826 #if 0
1827   DeactivateJoystickForCalibration();
1828   DrawTextFCentered(SYSIZE - 20, FC_BLUE,
1829                     "Joysticks deactivated on this screen");
1830 #endif
1831
1832   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
1833   FadeToFront();
1834   InitAnimation();
1835 }
1836
1837 static void setJoystickDeviceToNr(char *device_name, int device_nr)
1838 {
1839   if (device_name == NULL)
1840     return;
1841
1842   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
1843     device_nr = 0;
1844
1845   if (strlen(device_name) > 1)
1846   {
1847     char c1 = device_name[strlen(device_name) - 1];
1848     char c2 = device_name[strlen(device_name) - 2];
1849
1850     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
1851       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
1852   }
1853   else
1854     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
1855             strlen(device_name));
1856 }
1857
1858 static void drawPlayerSetupInputInfo(int player_nr)
1859 {
1860   int i;
1861   static struct SetupKeyboardInfo custom_key;
1862   static struct
1863   {
1864     Key *key;
1865     char *text;
1866   } custom[] =
1867   {
1868     { &custom_key.left,  "Joystick Left"  },
1869     { &custom_key.right, "Joystick Right" },
1870     { &custom_key.up,    "Joystick Up"    },
1871     { &custom_key.down,  "Joystick Down"  },
1872     { &custom_key.snap,  "Button 1"       },
1873     { &custom_key.bomb,  "Button 2"       }
1874   };
1875   static char *joystick_name[MAX_PLAYERS] =
1876   {
1877     "Joystick1",
1878     "Joystick2",
1879     "Joystick3",
1880     "Joystick4"
1881   };
1882
1883   custom_key = setup.input[player_nr].key;
1884
1885   DrawText(SX+11*32, SY+2*32, int2str(player_nr + 1, 1), FS_BIG, FC_RED);
1886   DrawGraphic(8, 2, GFX_SPIELER1 + player_nr);
1887
1888   if (setup.input[player_nr].use_joystick)
1889   {
1890     char *device_name = setup.input[player_nr].joy.device_name;
1891
1892     DrawText(SX+8*32, SY+3*32,
1893              joystick_name[getJoystickNrFromDeviceName(device_name)],
1894              FS_BIG, FC_YELLOW);
1895     DrawText(SX+32, SY+4*32, "Calibrate", FS_BIG, FC_GREEN);
1896   }
1897   else
1898   {
1899     DrawText(SX+8*32, SY+3*32, "Keyboard ", FS_BIG, FC_YELLOW);
1900     DrawText(SX+32, SY+4*32, "Customize", FS_BIG, FC_GREEN);
1901   }
1902
1903   DrawText(SX+32, SY+5*32, "Actual Settings:", FS_BIG, FC_GREEN);
1904   DrawGraphic(1, 6, GFX_ARROW_BLUE_LEFT);
1905   DrawGraphic(1, 7, GFX_ARROW_BLUE_RIGHT);
1906   DrawGraphic(1, 8, GFX_ARROW_BLUE_UP);
1907   DrawGraphic(1, 9, GFX_ARROW_BLUE_DOWN);
1908   DrawText(SX+2*32, SY+6*32, ":", FS_BIG, FC_BLUE);
1909   DrawText(SX+2*32, SY+7*32, ":", FS_BIG, FC_BLUE);
1910   DrawText(SX+2*32, SY+8*32, ":", FS_BIG, FC_BLUE);
1911   DrawText(SX+2*32, SY+9*32, ":", FS_BIG, FC_BLUE);
1912   DrawText(SX+32, SY+10*32, "Snap Field:", FS_BIG, FC_BLUE);
1913   DrawText(SX+32, SY+12*32, "Place Bomb:", FS_BIG, FC_BLUE);
1914
1915   for (i=0; i<6; i++)
1916   {
1917     int ypos = 6 + i + (i > 3 ? i-3 : 0);
1918
1919     DrawText(SX + 3*32, SY + ypos*32,
1920              "              ", FS_BIG, FC_YELLOW);
1921     DrawText(SX + 3*32, SY + ypos*32,
1922              (setup.input[player_nr].use_joystick ?
1923               custom[i].text :
1924               getKeyNameFromKey(*custom[i].key)),
1925              FS_BIG, FC_YELLOW);
1926   }
1927 }
1928
1929 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
1930 {
1931   static int choice = 0;
1932   static int player_nr = 0;
1933   int x = 0;
1934   int y = choice;
1935   int pos_start  = SETUPINPUT_SCREEN_POS_START;
1936   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
1937   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
1938   int pos_end    = SETUPINPUT_SCREEN_POS_END;
1939
1940   if (button == MB_MENU_INITIALIZE)
1941   {
1942     drawPlayerSetupInputInfo(player_nr);
1943     drawCursor(choice, FC_RED);
1944     return;
1945   }
1946   else if (button == MB_MENU_LEAVE)
1947   {
1948     setup_mode = SETUP_MODE_MAIN;
1949     DrawSetupScreen();
1950     InitJoysticks();
1951   }
1952
1953   if (mx || my)         /* mouse input */
1954   {
1955     x = (mx - SX) / 32;
1956     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1957   }
1958   else if (dx || dy)    /* keyboard input */
1959   {
1960     if (dx && choice == 0)
1961       x = (dx < 0 ? 10 : 12);
1962     else if ((dx && choice == 1) ||
1963              (dx == +1 && choice == 2) ||
1964              (dx == -1 && choice == pos_end))
1965       button = MB_MENU_CHOICE;
1966     else if (dy)
1967       y = choice + dy;
1968
1969     if (y >= pos_empty1 && y <= pos_empty2)
1970       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
1971   }
1972
1973   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
1974   {
1975     static unsigned long delay = 0;
1976
1977     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
1978       goto out;
1979
1980     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
1981
1982     drawPlayerSetupInputInfo(player_nr);
1983   }
1984   else if (x == 0 && y >= pos_start && y <= pos_end &&
1985            !(y >= pos_empty1 && y <= pos_empty2))
1986   {
1987     if (button)
1988     {
1989       if (y != choice)
1990       {
1991         drawCursor(y, FC_RED);
1992         drawCursor(choice, FC_BLUE);
1993         choice = y;
1994       }
1995     }
1996     else
1997     {
1998       if (y == 1)
1999       {
2000         char *device_name = setup.input[player_nr].joy.device_name;
2001
2002         if (!setup.input[player_nr].use_joystick)
2003         {
2004           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2005
2006           setJoystickDeviceToNr(device_name, new_device_nr);
2007           setup.input[player_nr].use_joystick = TRUE;
2008         }
2009         else
2010         {
2011           int device_nr = getJoystickNrFromDeviceName(device_name);
2012           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2013
2014           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2015             setup.input[player_nr].use_joystick = FALSE;
2016           else
2017             setJoystickDeviceToNr(device_name, new_device_nr);
2018         }
2019
2020         drawPlayerSetupInputInfo(player_nr);
2021       }
2022       else if (y == 2)
2023       {
2024         if (setup.input[player_nr].use_joystick)
2025         {
2026           InitJoysticks();
2027           CalibrateJoystick(player_nr);
2028         }
2029         else
2030           CustomizeKeyboard(player_nr);
2031       }
2032       else if (y == pos_end)
2033       {
2034         InitJoysticks();
2035
2036         setup_mode = SETUP_MODE_MAIN;
2037         DrawSetupScreen();
2038       }
2039     }
2040   }
2041
2042   BackToFront();
2043
2044   out:
2045
2046   if (game_status == SETUP)
2047     DoAnimation();
2048 }
2049
2050 void CustomizeKeyboard(int player_nr)
2051 {
2052   int i;
2053   int step_nr;
2054   boolean finished = FALSE;
2055   static struct SetupKeyboardInfo custom_key;
2056   static struct
2057   {
2058     Key *key;
2059     char *text;
2060   } customize_step[] =
2061   {
2062     { &custom_key.left,  "Move Left"  },
2063     { &custom_key.right, "Move Right" },
2064     { &custom_key.up,    "Move Up"    },
2065     { &custom_key.down,  "Move Down"  },
2066     { &custom_key.snap,  "Snap Field" },
2067     { &custom_key.bomb,  "Place Bomb" }
2068   };
2069
2070   /* read existing key bindings from player setup */
2071   custom_key = setup.input[player_nr].key;
2072
2073   ClearWindow();
2074   DrawText(SX + 16, SY + 16, "Keyboard Input", FS_BIG, FC_YELLOW);
2075
2076   BackToFront();
2077   InitAnimation();
2078
2079   step_nr = 0;
2080   DrawText(SX, SY + (2+2*step_nr)*32,
2081            customize_step[step_nr].text, FS_BIG, FC_RED);
2082   DrawText(SX, SY + (2+2*step_nr+1)*32,
2083            "Key:", FS_BIG, FC_RED);
2084   DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2085            getKeyNameFromKey(*customize_step[step_nr].key),
2086            FS_BIG, FC_BLUE);
2087
2088   while(!finished)
2089   {
2090     if (PendingEvent())         /* got event */
2091     {
2092       Event event;
2093
2094       NextEvent(&event);
2095
2096       switch(event.type)
2097       {
2098         case EVENT_KEYPRESS:
2099           {
2100             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2101
2102             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2103             {
2104               finished = TRUE;
2105               break;
2106             }
2107
2108             /* all keys configured -- wait for "Escape" or "Return" key */
2109             if (step_nr == 6)
2110               break;
2111
2112             /* press 'Enter' to keep the existing key binding */
2113             if (key == KSYM_Return)
2114               key = *customize_step[step_nr].key;
2115
2116             /* check if key already used */
2117             for (i=0; i<step_nr; i++)
2118               if (*customize_step[i].key == key)
2119                 break;
2120             if (i < step_nr)
2121               break;
2122
2123             /* got new key binding */
2124             *customize_step[step_nr].key = key;
2125             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2126                      "             ", FS_BIG, FC_YELLOW);
2127             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2128                      getKeyNameFromKey(key), FS_BIG, FC_YELLOW);
2129             step_nr++;
2130
2131             /* un-highlight last query */
2132             DrawText(SX, SY+(2+2*(step_nr-1))*32,
2133                      customize_step[step_nr-1].text, FS_BIG, FC_GREEN);
2134             DrawText(SX, SY+(2+2*(step_nr-1)+1)*32,
2135                      "Key:", FS_BIG, FC_GREEN);
2136
2137             /* press 'Enter' to leave */
2138             if (step_nr == 6)
2139             {
2140               DrawText(SX + 16, SY + 15*32+16,
2141                        "Press Enter", FS_BIG, FC_YELLOW);
2142               break;
2143             }
2144
2145             /* query next key binding */
2146             DrawText(SX, SY+(2+2*step_nr)*32,
2147                      customize_step[step_nr].text, FS_BIG, FC_RED);
2148             DrawText(SX, SY+(2+2*step_nr+1)*32,
2149                      "Key:", FS_BIG, FC_RED);
2150             DrawText(SX + 4*32, SY+(2+2*step_nr+1)*32,
2151                      getKeyNameFromKey(*customize_step[step_nr].key),
2152                      FS_BIG, FC_BLUE);
2153           }
2154           break;
2155
2156         case EVENT_KEYRELEASE:
2157           key_joystick_mapping = 0;
2158           break;
2159
2160         default:
2161           HandleOtherEvents(&event);
2162           break;
2163       }
2164     }
2165
2166     BackToFront();
2167     DoAnimation();
2168
2169     /* don't eat all CPU time */
2170     Delay(10);
2171   }
2172
2173   /* write new key bindings back to player setup */
2174   setup.input[player_nr].key = custom_key;
2175
2176   StopAnimation();
2177   DrawSetupScreen_Input();
2178 }
2179
2180 static boolean CalibrateJoystickMain(int player_nr)
2181 {
2182   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2183   int new_joystick_xright = JOYSTICK_XMIDDLE;
2184   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2185   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2186   int new_joystick_xmiddle, new_joystick_ymiddle;
2187
2188   int joystick_fd = joystick.fd[player_nr];
2189   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2190   boolean check[3][3];
2191   int check_remaining = 3 * 3;
2192   int joy_x, joy_y;
2193   int joy_value;
2194   int result = -1;
2195
2196   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2197     return FALSE;
2198
2199   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2200     return FALSE;
2201
2202   ClearWindow();
2203
2204   for(y=0; y<3; y++)
2205   {
2206     for(x=0; x<3; x++)
2207     {
2208       check[x][y] = FALSE;
2209       DrawGraphic(xpos + x - 1, ypos + y - 1, GFX_KUGEL_BLAU);
2210     }
2211   }
2212
2213   DrawText(SX,      SY +  6 * 32, " ROTATE JOYSTICK ", FS_BIG, FC_YELLOW);
2214   DrawText(SX,      SY +  7 * 32, "IN ALL DIRECTIONS", FS_BIG, FC_YELLOW);
2215   DrawText(SX + 16, SY +  9 * 32, "  IF ALL BALLS  ",  FS_BIG, FC_YELLOW);
2216   DrawText(SX,      SY + 10 * 32, "   ARE YELLOW,   ", FS_BIG, FC_YELLOW);
2217   DrawText(SX,      SY + 11 * 32, " CENTER JOYSTICK ", FS_BIG, FC_YELLOW);
2218   DrawText(SX,      SY + 12 * 32, "       AND       ", FS_BIG, FC_YELLOW);
2219   DrawText(SX,      SY + 13 * 32, "PRESS ANY BUTTON!", FS_BIG, FC_YELLOW);
2220
2221   joy_value = Joystick(player_nr);
2222   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2223   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2224
2225   /* eventually uncalibrated center position (joystick could be uncentered) */
2226   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2227     return FALSE;
2228
2229   new_joystick_xmiddle = joy_x;
2230   new_joystick_ymiddle = joy_y;
2231
2232   DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_ROT);
2233   BackToFront();
2234
2235   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2236   InitAnimation();
2237
2238   while(result < 0)
2239   {
2240     if (PendingEvent())         /* got event */
2241     {
2242       Event event;
2243
2244       NextEvent(&event);
2245
2246       switch(event.type)
2247       {
2248         case EVENT_KEYPRESS:
2249           switch(GetEventKey((KeyEvent *)&event, TRUE))
2250           {
2251             case KSYM_Return:
2252               if (check_remaining == 0)
2253                 result = 1;
2254               break;
2255
2256             case KSYM_Escape:
2257               result = 0;
2258               break;
2259
2260             default:
2261               break;
2262           }
2263           break;
2264
2265         case EVENT_KEYRELEASE:
2266           key_joystick_mapping = 0;
2267           break;
2268
2269         default:
2270           HandleOtherEvents(&event);
2271           break;
2272       }
2273     }
2274
2275     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2276       return FALSE;
2277
2278     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2279     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2280     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2281     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2282
2283     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2284     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2285     setup.input[player_nr].joy.xright = new_joystick_xright;
2286     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2287     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2288     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2289
2290     CheckJoystickData();
2291
2292     joy_value = Joystick(player_nr);
2293
2294     if (joy_value & JOY_BUTTON && check_remaining == 0)
2295       result = 1;
2296
2297     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2298     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2299
2300     if (x != last_x || y != last_y)
2301     {
2302       DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_GELB);
2303       DrawGraphic(xpos + x,      ypos + y,      GFX_KUGEL_ROT);
2304
2305       last_x = x;
2306       last_y = y;
2307
2308       if (check_remaining > 0 && !check[x+1][y+1])
2309       {
2310         check[x+1][y+1] = TRUE;
2311         check_remaining--;
2312       }
2313
2314 #if 0
2315 #ifdef DEBUG
2316       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2317              setup.input[player_nr].joy.xleft,
2318              setup.input[player_nr].joy.xmiddle,
2319              setup.input[player_nr].joy.xright);
2320       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2321              setup.input[player_nr].joy.yupper,
2322              setup.input[player_nr].joy.ymiddle,
2323              setup.input[player_nr].joy.ylower);
2324 #endif
2325 #endif
2326
2327     }
2328
2329     BackToFront();
2330     DoAnimation();
2331
2332     /* don't eat all CPU time */
2333     Delay(10);
2334   }
2335
2336   /* calibrated center position (joystick should now be centered) */
2337   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2338     return FALSE;
2339
2340   new_joystick_xmiddle = joy_x;
2341   new_joystick_ymiddle = joy_y;
2342
2343   StopAnimation();
2344
2345   DrawSetupScreen_Input();
2346
2347   /* wait until the last pressed button was released */
2348   while (Joystick(player_nr) & JOY_BUTTON)
2349   {
2350     if (PendingEvent())         /* got event */
2351     {
2352       Event event;
2353
2354       NextEvent(&event);
2355       HandleOtherEvents(&event);
2356
2357       Delay(10);
2358     }
2359   }
2360
2361   return TRUE;
2362 }
2363
2364 void CalibrateJoystick(int player_nr)
2365 {
2366   if (!CalibrateJoystickMain(player_nr))
2367   {
2368     ClearWindow();
2369
2370     DrawText(SX + 16, SY + 6*32, "  JOYSTICK NOT  ",  FS_BIG, FC_YELLOW);
2371     DrawText(SX,      SY + 7*32, "    AVAILABLE    ", FS_BIG, FC_YELLOW);
2372     BackToFront();
2373     Delay(2000);        /* show error message for two seconds */
2374   }
2375 }
2376
2377 void DrawSetupScreen()
2378 {
2379   DeactivateJoystick();
2380
2381   if (setup_mode == SETUP_MODE_INPUT)
2382     DrawSetupScreen_Input();
2383   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2384     DrawChooseTree(&artwork.gfx_current);
2385   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2386     DrawChooseTree(&artwork.snd_current);
2387   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2388     DrawChooseTree(&artwork.mus_current);
2389   else
2390     DrawSetupScreen_Generic();
2391 }
2392
2393 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2394 {
2395   if (setup_mode == SETUP_MODE_INPUT)
2396     HandleSetupScreen_Input(mx, my, dx, dy, button);
2397   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2398     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2399   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2400     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2401   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2402     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2403   else
2404     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2405 }
2406
2407 void HandleGameActions()
2408 {
2409   if (game_status != PLAYING)
2410     return;
2411
2412   if (local_player->LevelSolved)
2413     GameWon();
2414
2415   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2416     TapeStop();
2417
2418   GameActions();
2419
2420   BackToFront();
2421 }
2422
2423 /* ---------- new screen button stuff -------------------------------------- */
2424
2425 /* graphic position and size values for buttons and scrollbars */
2426 #define SC_SCROLLBUTTON_XPOS            64
2427 #define SC_SCROLLBUTTON_YPOS            0
2428 #define SC_SCROLLBAR_XPOS               0
2429 #define SC_SCROLLBAR_YPOS               64
2430
2431 #define SC_SCROLLBUTTON_XSIZE           32
2432 #define SC_SCROLLBUTTON_YSIZE           32
2433
2434 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2435 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2436 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2437 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2438 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2439 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2440 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2441 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2442
2443 #define SC_BORDER_SIZE                  14
2444
2445 static struct
2446 {
2447   int xpos, ypos;
2448   int x, y;
2449   int gadget_id;
2450   char *infotext;
2451 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2452 {
2453   {
2454     SC_SCROLLBUTTON_XPOS + 0 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2455     SC_SCROLL_UP_XPOS,                                  SC_SCROLL_UP_YPOS,
2456     SCREEN_CTRL_ID_SCROLL_UP,
2457     "scroll up"
2458   },
2459   {
2460     SC_SCROLLBUTTON_XPOS + 1 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2461     SC_SCROLL_DOWN_XPOS,                                SC_SCROLL_DOWN_YPOS,
2462     SCREEN_CTRL_ID_SCROLL_DOWN,
2463     "scroll down"
2464   }
2465 };
2466
2467 static struct
2468 {
2469   int xpos, ypos;
2470   int x, y;
2471   int width, height;
2472   int type;
2473   int gadget_id;
2474   char *infotext;
2475 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2476 {
2477   {
2478     SC_SCROLLBAR_XPOS,                  SC_SCROLLBAR_YPOS,
2479     SX + SC_SCROLL_VERTICAL_XPOS,       SY + SC_SCROLL_VERTICAL_YPOS,
2480     SC_SCROLL_VERTICAL_XSIZE,           SC_SCROLL_VERTICAL_YSIZE,
2481     GD_TYPE_SCROLLBAR_VERTICAL,
2482     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2483     "scroll level series vertically"
2484   }
2485 };
2486
2487 static void CreateScreenScrollbuttons()
2488 {
2489   Bitmap *gd_bitmap = pix[PIX_MORE];
2490   struct GadgetInfo *gi;
2491   unsigned long event_mask;
2492   int i;
2493
2494   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2495   {
2496     int id = scrollbutton_info[i].gadget_id;
2497     int x, y, width, height;
2498     int gd_x1, gd_x2, gd_y1, gd_y2;
2499
2500     x = scrollbutton_info[i].x;
2501     y = scrollbutton_info[i].y;
2502
2503     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2504
2505     x += SX;
2506     y += SY;
2507     width = SC_SCROLLBUTTON_XSIZE;
2508     height = SC_SCROLLBUTTON_YSIZE;
2509     gd_x1 = scrollbutton_info[i].xpos;
2510     gd_y1 = scrollbutton_info[i].ypos;
2511     gd_x2 = gd_x1;
2512     gd_y2 = gd_y1 + SC_SCROLLBUTTON_YSIZE;
2513
2514     gi = CreateGadget(GDI_CUSTOM_ID, id,
2515                       GDI_CUSTOM_TYPE_ID, i,
2516                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2517                       GDI_X, x,
2518                       GDI_Y, y,
2519                       GDI_WIDTH, width,
2520                       GDI_HEIGHT, height,
2521                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2522                       GDI_STATE, GD_BUTTON_UNPRESSED,
2523                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2524                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2525                       GDI_EVENT_MASK, event_mask,
2526                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2527                       GDI_END);
2528
2529     if (gi == NULL)
2530       Error(ERR_EXIT, "cannot create gadget");
2531
2532     screen_gadget[id] = gi;
2533   }
2534 }
2535
2536 static void CreateScreenScrollbars()
2537 {
2538   int i;
2539
2540   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2541   {
2542     int id = scrollbar_info[i].gadget_id;
2543     Bitmap *gd_bitmap = pix[PIX_MORE];
2544     int gd_x1, gd_x2, gd_y1, gd_y2;
2545     struct GadgetInfo *gi;
2546     int items_max, items_visible, item_position;
2547     unsigned long event_mask;
2548     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2549
2550 #if 0
2551     if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
2552       num_page_entries = num_leveldirs;
2553     else
2554       num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2555
2556     items_max = MAX(num_leveldirs, num_page_entries);
2557     items_visible = num_page_entries;
2558     item_position = 0;
2559 #else
2560     items_max = num_page_entries;
2561     items_visible = num_page_entries;
2562     item_position = 0;
2563 #endif
2564
2565     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2566
2567     gd_x1 = scrollbar_info[i].xpos;
2568     gd_x2 = gd_x1 + scrollbar_info[i].width;
2569     gd_y1 = scrollbar_info[i].ypos;
2570     gd_y2 = scrollbar_info[i].ypos;
2571
2572     gi = CreateGadget(GDI_CUSTOM_ID, id,
2573                       GDI_CUSTOM_TYPE_ID, i,
2574                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2575                       GDI_X, scrollbar_info[i].x,
2576                       GDI_Y, scrollbar_info[i].y,
2577                       GDI_WIDTH, scrollbar_info[i].width,
2578                       GDI_HEIGHT, scrollbar_info[i].height,
2579                       GDI_TYPE, scrollbar_info[i].type,
2580                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2581                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2582                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2583                       GDI_STATE, GD_BUTTON_UNPRESSED,
2584                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2585                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2586                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
2587                       GDI_EVENT_MASK, event_mask,
2588                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2589                       GDI_END);
2590
2591     if (gi == NULL)
2592       Error(ERR_EXIT, "cannot create gadget");
2593
2594     screen_gadget[id] = gi;
2595   }
2596 }
2597
2598 void CreateScreenGadgets()
2599 {
2600   CreateScreenScrollbuttons();
2601   CreateScreenScrollbars();
2602 }
2603
2604 void MapChooseTreeGadgets(TreeInfo *ti)
2605 {
2606   int num_entries = numTreeInfoInGroup(ti);
2607   int i;
2608
2609   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
2610     return;
2611
2612   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2613     MapGadget(screen_gadget[i]);
2614 }
2615
2616 void UnmapChooseTreeGadgets()
2617 {
2618   int i;
2619
2620   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2621     UnmapGadget(screen_gadget[i]);
2622 }
2623
2624 static void HandleScreenGadgets(struct GadgetInfo *gi)
2625 {
2626   int id = gi->custom_id;
2627
2628   if (game_status != CHOOSELEVEL && game_status != SETUP)
2629     return;
2630
2631   switch (id)
2632   {
2633     case SCREEN_CTRL_ID_SCROLL_UP:
2634       if (game_status == CHOOSELEVEL)
2635         HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
2636       else if (game_status == SETUP)
2637         HandleSetupScreen(SX,SY + 32, 0,0, MB_MENU_MARK);
2638       break;
2639
2640     case SCREEN_CTRL_ID_SCROLL_DOWN:
2641       if (game_status == CHOOSELEVEL)
2642         HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2643       else if (game_status == SETUP)
2644         HandleSetupScreen(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2645       break;
2646
2647     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
2648       if (game_status == CHOOSELEVEL)
2649         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
2650       else if (game_status == SETUP)
2651         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
2652       break;
2653
2654     default:
2655       break;
2656   }
2657 }