src/screens.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2001 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * screens.c                                                *
  12 ***********************************************************/
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "screens.h"
  17 #include "events.h"
  18 #include "game.h"
  19 #include "tools.h"
  20 #include "editor.h"
  21 #include "files.h"
  22 #include "tape.h"
  23 #include "cartoons.h"
  24 #include "network.h"
  25 #include "init.h"
  26
  27 /* screens in the setup menu */
  28 #define SETUP_MODE_MAIN                 0
  29 #define SETUP_MODE_INPUT                1
  30 #define SETUP_MODE_SHORTCUT             2
  31 #define SETUP_MODE_GRAPHICS             3
  32 #define SETUP_MODE_SOUND                4
  33 #define SETUP_MODE_CHOOSE_GRAPHICS      5
  34 #define SETUP_MODE_CHOOSE_SOUNDS        6
  35 #define SETUP_MODE_CHOOSE_MUSIC         7
  36
  37 #define MAX_SETUP_MODES                 8
  38
  39 /* for input setup functions */
  40 #define SETUPINPUT_SCREEN_POS_START     0
  41 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  42 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  43 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  44
  45 /* for various menu stuff  */
  46 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - 2)
  47 #define MENU_SCREEN_START_YPOS          2
  48 #define MENU_SCREEN_VALUE_XPOS          14
  49
  50 /* buttons and scrollbars identifiers */
  51 #define SCREEN_CTRL_ID_SCROLL_UP        0
  52 #define SCREEN_CTRL_ID_SCROLL_DOWN      1
  53 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  2
  54
  55 #define NUM_SCREEN_SCROLLBUTTONS        2
  56 #define NUM_SCREEN_SCROLLBARS           1
  57 #define NUM_SCREEN_GADGETS              3
  58
  59 /* forward declarations of internal functions */
  60 static void HandleScreenGadgets(struct GadgetInfo *);
  61 static void execExitSetupChooseArtwork(void);
  62 static void HandleSetupScreen_Generic(int, int, int, int, int);
  63 static void HandleSetupScreen_Input(int, int, int, int, int);
  64 static void CustomizeKeyboard(int);
  65 static void CalibrateJoystick(int);
  66 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
  67
  68 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
  69 static int setup_mode = SETUP_MODE_MAIN;
  70
  71 static void drawCursorExt(int pos, int color, int graphic)
  72 {
  73   static int cursor_array[SCR_FIELDY];
  74
  75   if (graphic)
  76     cursor_array[pos] = graphic;
  77
  78   graphic = cursor_array[pos];
  79
  80   if (color == FC_RED)
  81     graphic = (graphic == GFX_ARROW_BLUE_LEFT  ? GFX_ARROW_RED_LEFT  :
  82                graphic == GFX_ARROW_BLUE_RIGHT ? GFX_ARROW_RED_RIGHT :
  83                GFX_KUGEL_ROT);
  84
  85   DrawGraphic(0, MENU_SCREEN_START_YPOS + pos, graphic);
  86 }
  87
  88 static void initCursor(int pos, int graphic)
  89 {
  90   drawCursorExt(pos, FC_BLUE, graphic);
  91 }
  92
  93 static void drawCursor(int pos, int color)
  94 {
  95   drawCursorExt(pos, color, 0);
  96 }
  97
  98 void DrawHeadline()
  99 {
 100   int x = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING) * FONT1_XSIZE) / 2;
 101
 102   DrawText(x, SY + 8, PROGRAM_TITLE_STRING, FS_BIG, FC_YELLOW);
 103   DrawTextFCentered(46, FC_RED, WINDOW_SUBTITLE_STRING);
 104 }
 105
 106 static void ToggleFullscreenIfNeeded()
 107 {
 108   if (setup.fullscreen != video.fullscreen_enabled)
 109   {
 110     /* save old door content */
 111     BlitBitmap(backbuffer, pix[PIX_DB_DOOR],
 112                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 113
 114     /* toggle fullscreen */
 115     ChangeVideoModeIfNeeded(setup.fullscreen);
 116     setup.fullscreen = video.fullscreen_enabled;
 117
 118     /* redraw background to newly created backbuffer */
 119     BlitBitmap(pix[PIX_BACK], backbuffer, 0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 120
 121     /* restore old door content */
 122     BlitBitmap(pix[PIX_DB_DOOR], backbuffer,
 123                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 124
 125     redraw_mask = REDRAW_ALL;
 126   }
 127 }
 128
 129 void DrawMainMenu()
 130 {
 131   static LevelDirTree *leveldir_last_valid = NULL;
 132   int i;
 133   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 134
 135   UnmapAllGadgets();
 136   FadeSounds();
 137   KeyboardAutoRepeatOn();
 138   ActivateJoystickIfAvailable();
 139   SetDrawDeactivationMask(REDRAW_NONE);
 140
 141   /* needed if last screen was the playing screen, invoked from level editor */
 142   if (level_editor_test_game)
 143   {
 144     game_status = LEVELED;
 145     DrawLevelEd();
 146     return;
 147   }
 148
 149   /* needed if last screen was the editor screen */
 150   UndrawSpecialEditorDoor();
 151
 152   /* needed if last screen was the setup screen and fullscreen state changed */
 153   ToggleFullscreenIfNeeded();
 154
 155   /* needed if last screen (setup/level) changed graphics, sounds or music */
 156   ReloadCustomArtwork();
 157
 158 #ifdef TARGET_SDL
 159   SetDrawtoField(DRAW_BACKBUFFER);
 160 #endif
 161
 162   /* map gadgets for main menu screen */
 163   MapTapeButtons();
 164
 165   /* leveldir_current may be invalid (level group, parent link) */
 166   if (!validLevelSeries(leveldir_current))
 167     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 168
 169   /* store valid level series information */
 170   leveldir_last_valid = leveldir_current;
 171
 172   /* level_nr may have been set to value over handicap with level editor */
 173   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 174     level_nr = leveldir_current->handicap_level;
 175
 176   GetPlayerConfig();
 177   LoadLevel(level_nr);
 178
 179   ClearWindow();
 180   DrawHeadline();
 181   DrawText(SX + 32,    SY + 2*32, name_text, FS_BIG, FC_GREEN);
 182   DrawText(SX + 6*32,  SY + 2*32, setup.player_name, FS_BIG, FC_RED);
 183   DrawText(SX + 32,    SY + 3*32, "Level:", FS_BIG, FC_GREEN);
 184   DrawText(SX + 11*32, SY + 3*32, int2str(level_nr,3), FS_BIG,
 185            (leveldir_current->readonly ? FC_RED : FC_YELLOW));
 186   DrawText(SX + 32,    SY + 4*32, "Hall Of Fame", FS_BIG, FC_GREEN);
 187   DrawText(SX + 32,    SY + 5*32, "Level Creator", FS_BIG, FC_GREEN);
 188   DrawText(SY + 32,    SY + 6*32, "Info Screen", FS_BIG, FC_GREEN);
 189   DrawText(SX + 32,    SY + 7*32, "Start Game", FS_BIG, FC_GREEN);
 190   DrawText(SX + 32,    SY + 8*32, "Setup", FS_BIG, FC_GREEN);
 191   DrawText(SX + 32,    SY + 9*32, "Quit", FS_BIG, FC_GREEN);
 192
 193   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 194
 195   DrawTextF(7*32 + 6, 3*32 + 9, FC_RED, "%d-%d",
 196             leveldir_current->first_level,
 197             leveldir_current->last_level);
 198
 199   if (leveldir_current->readonly)
 200   {
 201     DrawTextF(15*32 + 6, 3*32 + 9 - 7, FC_RED, "READ");
 202     DrawTextF(15*32 + 6, 3*32 + 9 + 7, FC_RED, "ONLY");
 203   }
 204
 205   for(i=0; i<8; i++)
 206     initCursor(i, (i == 1 || i == 6 ? GFX_ARROW_BLUE_RIGHT : GFX_KUGEL_BLAU));
 207
 208   DrawGraphic(10, 3, GFX_ARROW_BLUE_LEFT);
 209   DrawGraphic(14, 3, GFX_ARROW_BLUE_RIGHT);
 210
 211   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment",
 212            FS_SMALL, FC_RED);
 213
 214   if (leveldir_current->name)
 215   {
 216     int len = strlen(leveldir_current->name);
 217     int lxpos = SX + (SXSIZE - len * FONT4_XSIZE) / 2;
 218     int lypos = SY + 352;
 219
 220     DrawText(lxpos, lypos, leveldir_current->name, FS_SMALL, FC_SPECIAL2);
 221   }
 222
 223   FadeToFront();
 224   InitAnimation();
 225   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 226
 227   TapeStop();
 228   if (TAPE_IS_EMPTY(tape))
 229     LoadTape(level_nr);
 230   DrawCompleteVideoDisplay();
 231
 232   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 233
 234 #if 0
 235   ClearEventQueue();
 236 #endif
 237
 238 }
 239
 240 static void gotoTopLevelDir()
 241 {
 242   /* move upwards to top level directory */
 243   while (leveldir_current->node_parent)
 244   {
 245     /* write a "path" into level tree for easy navigation to last level */
 246     if (leveldir_current->node_parent->node_group->cl_first == -1)
 247     {
 248       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 249       int leveldir_pos = posTreeInfo(leveldir_current);
 250       int num_page_entries;
 251       int cl_first, cl_cursor;
 252
 253       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 254         num_page_entries = num_leveldirs;
 255       else
 256         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 257
 258       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 259       cl_cursor = leveldir_pos - cl_first;
 260
 261       leveldir_current->node_parent->node_group->cl_first = cl_first;
 262       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 263     }
 264
 265     leveldir_current = leveldir_current->node_parent;
 266   }
 267 }
 268
 269 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 270 {
 271   static int choice = 0;
 272   int x = 0;
 273   int y = choice;
 274
 275   if (button == MB_MENU_INITIALIZE)
 276   {
 277     drawCursor(choice, FC_RED);
 278     return;
 279   }
 280
 281   if (mx || my)         /* mouse input */
 282   {
 283     x = (mx - SX) / 32;
 284     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
 285   }
 286   else if (dx || dy)    /* keyboard input */
 287   {
 288     if (dx && choice == 1)
 289       x = (dx < 0 ? 10 : 14);
 290     else if (dy)
 291       y = choice + dy;
 292   }
 293
 294   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 295                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 296       button)
 297   {
 298     static unsigned long level_delay = 0;
 299     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 300     int new_level_nr, old_level_nr = level_nr;
 301     int font_color = (leveldir_current->readonly ? FC_RED : FC_YELLOW);
 302
 303     new_level_nr = level_nr + (x == 10 ? -step : +step);
 304     if (new_level_nr < leveldir_current->first_level)
 305       new_level_nr = leveldir_current->first_level;
 306     if (new_level_nr > leveldir_current->last_level)
 307       new_level_nr = leveldir_current->last_level;
 308
 309     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 310       new_level_nr = leveldir_current->handicap_level;
 311
 312     if (old_level_nr == new_level_nr ||
 313         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 314       goto out;
 315
 316     level_nr = new_level_nr;
 317
 318     DrawTextExt(drawto, SX + 11 * 32, SY + 3 * 32,
 319                 int2str(level_nr, 3), FS_BIG, font_color);
 320     DrawTextExt(window, SX + 11 * 32, SY + 3 * 32,
 321                 int2str(level_nr, 3), FS_BIG, font_color);
 322
 323     LoadLevel(level_nr);
 324     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 325
 326     TapeErase();
 327     LoadTape(level_nr);
 328     DrawCompleteVideoDisplay();
 329
 330     /* needed because DrawMicroLevel() takes some time */
 331     BackToFront();
 332     SyncDisplay();
 333     DelayReached(&level_delay, 0);      /* reset delay counter */
 334   }
 335   else if (x == 0 && y >= 0 && y <= 7)
 336   {
 337     if (button)
 338     {
 339       if (y != choice)
 340       {
 341         drawCursor(y, FC_RED);
 342         drawCursor(choice, FC_BLUE);
 343         choice = y;
 344       }
 345     }
 346     else
 347     {
 348       if (y == 0)
 349       {
 350         game_status = TYPENAME;
 351         HandleTypeName(strlen(setup.player_name), 0);
 352       }
 353       else if (y == 1)
 354       {
 355         if (leveldir_first)
 356         {
 357           game_status = CHOOSELEVEL;
 358           SaveLevelSetup_LastSeries();
 359           SaveLevelSetup_SeriesInfo();
 360
 361           gotoTopLevelDir();
 362
 363           DrawChooseLevel();
 364         }
 365       }
 366       else if (y == 2)
 367       {
 368         game_status = HALLOFFAME;
 369         DrawHallOfFame(-1);
 370       }
 371       else if (y == 3)
 372       {
 373         if (leveldir_current->readonly &&
 374             strcmp(setup.player_name, "Artsoft") != 0)
 375           Request("This level is read only !", REQ_CONFIRM);
 376         game_status = LEVELED;
 377         DrawLevelEd();
 378       }
 379       else if (y == 4)
 380       {
 381         game_status = HELPSCREEN;
 382         DrawHelpScreen();
 383       }
 384       else if (y == 5)
 385       {
 386         if (setup.autorecord)
 387           TapeStartRecording();
 388
 389 #if defined(PLATFORM_UNIX)
 390         if (options.network)
 391           SendToServer_StartPlaying();
 392         else
 393 #endif
 394         {
 395           game_status = PLAYING;
 396           StopAnimation();
 397           InitGame();
 398         }
 399       }
 400       else if (y == 6)
 401       {
 402         game_status = SETUP;
 403         setup_mode = SETUP_MODE_MAIN;
 404         DrawSetupScreen();
 405       }
 406       else if (y == 7)
 407       {
 408         SaveLevelSetup_LastSeries();
 409         SaveLevelSetup_SeriesInfo();
 410         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 411           game_status = EXITGAME;
 412       }
 413     }
 414   }
 415
 416   BackToFront();
 417
 418   out:
 419
 420   if (game_status == MAINMENU)
 421   {
 422     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 423     DoAnimation();
 424   }
 425 }
 426
 427
 428 #define MAX_HELPSCREEN_ELS      10
 429 #define HA_NEXT                 -999
 430 #define HA_END                  -1000
 431
 432 static long helpscreen_state;
 433 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 434 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 435 static int helpscreen_delay[MAX_HELPSCREEN_ELS];
 436 static int helpscreen_action[] =
 437 {
 438   GFX_SPIELER1_DOWN,4,2,
 439   GFX_SPIELER1_UP,4,2,
 440   GFX_SPIELER1_LEFT,4,2,
 441   GFX_SPIELER1_RIGHT,4,2,
 442   GFX_SPIELER1_PUSH_LEFT,4,2,
 443   GFX_SPIELER1_PUSH_RIGHT,4,2,                                  HA_NEXT,
 444   GFX_ERDREICH,1,100,                                           HA_NEXT,
 445   GFX_LEERRAUM,1,100,                                           HA_NEXT,
 446   GFX_MORAST_LEER,1,100,                                        HA_NEXT,
 447   GFX_BETON,1,100,                                              HA_NEXT,
 448   GFX_MAUERWERK,1,100,                                          HA_NEXT,
 449   GFX_MAUER_L1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 450   GFX_MAUER_R1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 451   GFX_MAUER_UP,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 452   GFX_MAUER_DOWN,3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,    HA_NEXT,
 453   GFX_UNSICHTBAR,1,100,                                         HA_NEXT,
 454   GFX_FELSBODEN,1,100,                                          HA_NEXT,
 455   GFX_CHAR_A,30,4, GFX_CHAR_AUSRUF,32,4,                        HA_NEXT,
 456   GFX_EDELSTEIN,2,5,                                            HA_NEXT,
 457   GFX_DIAMANT,2,5,                                              HA_NEXT,
 458   GFX_EDELSTEIN_BD,2,5,                                         HA_NEXT,
 459   GFX_EDELSTEIN_GELB,2,5, GFX_EDELSTEIN_ROT,2,5,
 460   GFX_EDELSTEIN_LILA,2,5,                                       HA_NEXT,
 461   GFX_FELSBROCKEN,4,5,                                          HA_NEXT,
 462   GFX_BOMBE,1,50, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,         HA_NEXT,
 463   GFX_KOKOSNUSS,1,50, GFX_CRACKINGNUT,3,1, GFX_EDELSTEIN,1,10,  HA_NEXT,
 464   GFX_ERZ_EDEL,1,50, GFX_EXPLOSION,8,1, GFX_EDELSTEIN,1,10,     HA_NEXT,
 465   GFX_ERZ_DIAM,1,50, GFX_EXPLOSION,8,1, GFX_DIAMANT,1,10,       HA_NEXT,
 466   GFX_ERZ_EDEL_BD,1,50, GFX_EXPLOSION,8,1,GFX_EDELSTEIN_BD,1,10,HA_NEXT,
 467   GFX_ERZ_EDEL_GELB,1,50, GFX_EXPLOSION,8,1,
 468   GFX_EDELSTEIN_GELB,1,10, GFX_ERZ_EDEL_ROT,1,50,
 469   GFX_EXPLOSION,8,1, GFX_EDELSTEIN_ROT,1,10,
 470   GFX_ERZ_EDEL_LILA,1,50, GFX_EXPLOSION,8,1,
 471   GFX_EDELSTEIN_LILA,1,10,                                      HA_NEXT,
 472   GFX_GEBLUBBER,4,4,                                            HA_NEXT,
 473   GFX_SCHLUESSEL1,4,25,                                         HA_NEXT,
 474   GFX_PFORTE1,4,25,                                             HA_NEXT,
 475   GFX_PFORTE1X,4,25,                                            HA_NEXT,
 476   GFX_DYNAMIT_AUS,1,100,                                        HA_NEXT,
 477   GFX_DYNAMIT,7,6, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,        HA_NEXT,
 478   GFX_DYNABOMB+0,4,3, GFX_DYNABOMB+3,1,3, GFX_DYNABOMB+2,1,3,
 479   GFX_DYNABOMB+1,1,3, GFX_DYNABOMB+0,1,3, GFX_EXPLOSION,8,1,
 480   GFX_LEERRAUM,1,10,                                            HA_NEXT,
 481   GFX_DYNABOMB_NR,1,100,                                        HA_NEXT,
 482   GFX_DYNABOMB_SZ,1,100,                                        HA_NEXT,
 483   GFX_FLIEGER+4,1,3, GFX_FLIEGER+0,1,3, GFX_FLIEGER+4,1,3,
 484   GFX_FLIEGER+5,1,3, GFX_FLIEGER+1,1,3, GFX_FLIEGER+5,1,3,
 485   GFX_FLIEGER+6,1,3, GFX_FLIEGER+2,1,3, GFX_FLIEGER+6,1,3,
 486   GFX_FLIEGER+7,1,3, GFX_FLIEGER+3,1,3, GFX_FLIEGER+7,1,3,      HA_NEXT,
 487   GFX_KAEFER+4,1,1, GFX_KAEFER+0,1,1, GFX_KAEFER+4,1,1,
 488   GFX_KAEFER+5,1,1, GFX_KAEFER+1,1,1, GFX_KAEFER+5,1,1,
 489   GFX_KAEFER+6,1,1, GFX_KAEFER+2,1,1, GFX_KAEFER+6,1,1,
 490   GFX_KAEFER+7,1,1, GFX_KAEFER+3,1,1, GFX_KAEFER+7,1,1,         HA_NEXT,
 491   GFX_BUTTERFLY,2,2,                                            HA_NEXT,
 492   GFX_FIREFLY,2,2,                                              HA_NEXT,
 493   GFX_PACMAN+0,1,3, GFX_PACMAN+4,1,2, GFX_PACMAN+0,1,3,
 494   GFX_PACMAN+1,1,3, GFX_PACMAN+5,1,2, GFX_PACMAN+1,1,3,
 495   GFX_PACMAN+2,1,3, GFX_PACMAN+6,1,2, GFX_PACMAN+2,1,3,
 496   GFX_PACMAN+3,1,3, GFX_PACMAN+7,1,2, GFX_PACMAN+3,1,3,         HA_NEXT,
 497   GFX_MAMPFER+0,4,1, GFX_MAMPFER+3,1,1, GFX_MAMPFER+2,1,1,
 498   GFX_MAMPFER+1,1,1, GFX_MAMPFER+0,1,1,                         HA_NEXT,
 499   GFX_MAMPFER2+0,4,1, GFX_MAMPFER2+3,1,1, GFX_MAMPFER2+2,1,1,
 500   GFX_MAMPFER2+1,1,1, GFX_MAMPFER2+0,1,1,                       HA_NEXT,
 501   GFX_ROBOT+0,4,1, GFX_ROBOT+3,1,1, GFX_ROBOT+2,1,1,
 502   GFX_ROBOT+1,1,1, GFX_ROBOT+0,1,1,                             HA_NEXT,
 503   GFX_MOLE_DOWN,4,2,
 504   GFX_MOLE_UP,4,2,
 505   GFX_MOLE_LEFT,4,2,
 506   GFX_MOLE_RIGHT,4,2,                                           HA_NEXT,
 507   GFX_PINGUIN_DOWN,4,2,
 508   GFX_PINGUIN_UP,4,2,
 509   GFX_PINGUIN_LEFT,4,2,
 510   GFX_PINGUIN_RIGHT,4,2,                                        HA_NEXT,
 511   GFX_SCHWEIN_DOWN,4,2,
 512   GFX_SCHWEIN_UP,4,2,
 513   GFX_SCHWEIN_LEFT,4,2,
 514   GFX_SCHWEIN_RIGHT,4,2,                                        HA_NEXT,
 515   GFX_DRACHE_DOWN,4,2,
 516   GFX_DRACHE_UP,4,2,
 517   GFX_DRACHE_LEFT,4,2,
 518   GFX_DRACHE_RIGHT,4,2,                                         HA_NEXT,
 519   GFX_SONDE_START,8,1,                                          HA_NEXT,
 520   GFX_ABLENK,4,1,                                               HA_NEXT,
 521   GFX_BIRNE_AUS,1,25, GFX_BIRNE_EIN,1,25,                       HA_NEXT,
 522   GFX_ZEIT_VOLL,1,25, GFX_ZEIT_LEER,1,25,                       HA_NEXT,
 523   GFX_TROPFEN,1,25, GFX_AMOEBING,4,1, GFX_AMOEBE_LEBT,1,10,     HA_NEXT,
 524   GFX_AMOEBE_TOT+2,2,50, GFX_AMOEBE_TOT,2,50,                   HA_NEXT,
 525   GFX_AMOEBE_LEBT,4,40,                                         HA_NEXT,
 526   GFX_AMOEBE_LEBT,1,10, GFX_AMOEBING,4,2,                       HA_NEXT,
 527   GFX_AMOEBE_LEBT,1,25, GFX_AMOEBE_TOT,1,25, GFX_EXPLOSION,8,1,
 528   GFX_DIAMANT,1,10,                                             HA_NEXT,
 529   GFX_LIFE,1,100,                                               HA_NEXT,
 530   GFX_LIFE_ASYNC,1,100,                                         HA_NEXT,
 531   GFX_MAGIC_WALL_OFF,4,2,                                       HA_NEXT,
 532   GFX_MAGIC_WALL_BD_OFF,4,2,                                    HA_NEXT,
 533   GFX_AUSGANG_ZU,1,100, GFX_AUSGANG_ACT,4,2,
 534   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 535   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 536   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 537   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 538   GFX_SOKOBAN_OBJEKT,1,100,                                     HA_NEXT,
 539   GFX_SOKOBAN_FELD_LEER,1,100,                                  HA_NEXT,
 540   GFX_SOKOBAN_FELD_VOLL,1,100,                                  HA_NEXT,
 541   GFX_SPEED_PILL,1,100,                                         HA_NEXT,
 542   HA_END
 543 };
 544 static char *helpscreen_eltext[][2] =
 545 {
 546  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 547  {"Normal sand:",                       "You can dig through it"},
 548  {"Empty field:",                       "You can walk through it"},
 549  {"Quicksand: You cannot pass it,",     "but rocks can fall though it"},
 550  {"Massive Wall:",                      "Nothing can go through it"},
 551  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 552  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 553  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 554  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 555  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 556  {"Emerald: You must collect enough of","them to finish a level"},
 557  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 558  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 559  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 560  {"Rock: Smashes several things;",      "Can be moved by the player"},
 561  {"Bomb: You can move it, but be",      "careful when dropping it"},
 562  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 563  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 564  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 565  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 566  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 567  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 568  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 569  {"Door: Can be opened by the key",     "with the same color"},
 570  {"Door: You have to find out the",     "right color of the key for it"},
 571  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 572  {"Dynamite: This one explodes after",  "a few seconds"},
 573  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 574  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 575  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 576  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 577  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 578  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 579  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 580  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 581  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 582  {"Cruncher (BD style):",               "Eats almost everything"},
 583  {"Robot: Tries to kill the player",    ""},
 584  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 585  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 586  {"The Pig: Harmless, but eats all",    "gems it can get"},
 587  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 588  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 589  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 590  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 591  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 592  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 593  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 594  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 595  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 596  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 597  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 598  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 599  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 600  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 601  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 602  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 603  {"Sokoban element: Object which must", "be pushed to an empty field"},
 604  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 605  {"Sokoban element: Field with object", "which can be pushed away"},
 606  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 607 };
 608 static int num_helpscreen_els = sizeof(helpscreen_eltext)/(2*sizeof(char *));
 609
 610 static char *helpscreen_music[][3] =
 611 {
 612   { "Alchemy",                  "Ian Boddy",            "Drive" },
 613   { "The Chase",                "Propaganda",           "A Secret Wish" },
 614   { "Network 23",               "Tangerine Dream",      "Exit" },
 615   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 616   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 617   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 618   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 619 };
 620 static int num_helpscreen_music = 7;
 621 static int helpscreen_musicpos;
 622
 623 void DrawHelpScreenElAction(int start)
 624 {
 625   int i = 0, j = 0;
 626   int frame, graphic;
 627   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 628
 629   while(helpscreen_action[j] != HA_END)
 630   {
 631     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 632       break;
 633     else if (i<start || helpscreen_delay[i-start])
 634     {
 635       if (i>=start && helpscreen_delay[i-start])
 636         helpscreen_delay[i-start]--;
 637
 638       while(helpscreen_action[j] != HA_NEXT)
 639         j++;
 640       j++;
 641       i++;
 642       continue;
 643     }
 644
 645     j += 3*helpscreen_step[i-start];
 646     graphic = helpscreen_action[j++];
 647
 648     if (helpscreen_frame[i-start])
 649     {
 650       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 651       helpscreen_frame[i-start]--;
 652     }
 653     else
 654     {
 655       frame = 0;
 656       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 657     }
 658
 659     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 660
 661     if (helpscreen_action[j] == HA_NEXT)
 662     {
 663       if (!helpscreen_frame[i-start])
 664         helpscreen_step[i-start] = 0;
 665     }
 666     else
 667     {
 668       if (!helpscreen_frame[i-start])
 669         helpscreen_step[i-start]++;
 670       while(helpscreen_action[j] != HA_NEXT)
 671         j++;
 672     }
 673     j++;
 674
 675     DrawGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 676     i++;
 677   }
 678
 679   for(i=2;i<16;i++)
 680   {
 681     MarkTileDirty(0,i);
 682     MarkTileDirty(1,i);
 683   }
 684 }
 685
 686 void DrawHelpScreenElText(int start)
 687 {
 688   int i;
 689   int xstart = SX + 56, ystart = SY + 65 + 2 * 32, ystep = TILEY + 4;
 690   int ybottom = SYSIZE - 20;
 691
 692   ClearWindow();
 693   DrawHeadline();
 694
 695   DrawTextFCentered(100, FC_GREEN, "The game elements:");
 696
 697   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
 698   {
 699     DrawText(xstart,
 700              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
 701              helpscreen_eltext[i][0], FS_SMALL, FC_YELLOW);
 702     DrawText(xstart, ystart + (i - start) * ystep + 16,
 703              helpscreen_eltext[i][1], FS_SMALL, FC_YELLOW);
 704   }
 705
 706   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 707 }
 708
 709 void DrawHelpScreenMusicText(int num)
 710 {
 711   int ystart = 150, ystep = 30;
 712   int ybottom = SYSIZE - 20;
 713
 714   FadeSounds();
 715   ClearWindow();
 716   DrawHeadline();
 717
 718   DrawTextFCentered(100, FC_GREEN, "The game background music loops:");
 719
 720   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 721                     "Excerpt from");
 722   DrawTextFCentered(ystart + 1 * ystep, FC_RED, "\"%s\"",
 723                     helpscreen_music[num][0]);
 724   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 725                     "by");
 726   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 727                     "%s", helpscreen_music[num][1]);
 728   DrawTextFCentered(ystart + 4 * ystep, FC_YELLOW,
 729                     "from the album");
 730   DrawTextFCentered(ystart + 5 * ystep, FC_RED, "\"%s\"",
 731                     helpscreen_music[num][2]);
 732
 733   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 734
 735 #if 0
 736   PlaySoundLoop(background_loop[num]);
 737 #endif
 738 }
 739
 740 void DrawHelpScreenCreditsText()
 741 {
 742   int ystart = 150, ystep = 30;
 743   int ybottom = SYSIZE - 20;
 744
 745   FadeSounds();
 746   ClearWindow();
 747   DrawHeadline();
 748
 749   DrawTextFCentered(100, FC_GREEN,
 750                     "Credits:");
 751   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 752                     "DOS port of the game:");
 753   DrawTextFCentered(ystart + 1 * ystep, FC_RED,
 754                     "Guido Schulz");
 755   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 756                     "Additional toons:");
 757   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 758                     "Karl Hörnell");
 759   DrawTextFCentered(ystart + 5 * ystep, FC_YELLOW,
 760                     "...and many thanks to all contributors");
 761   DrawTextFCentered(ystart + 6 * ystep, FC_YELLOW,
 762                     "of new levels!");
 763
 764   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 765 }
 766
 767 void DrawHelpScreenContactText()
 768 {
 769   int ystart = 150, ystep = 30;
 770   int ybottom = SYSIZE - 20;
 771
 772   ClearWindow();
 773   DrawHeadline();
 774
 775   DrawTextFCentered(100, FC_GREEN, "Program information:");
 776
 777   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 778                     "This game is Freeware!");
 779   DrawTextFCentered(ystart + 1 * ystep, FC_YELLOW,
 780                     "If you like it, send e-mail to:");
 781   DrawTextFCentered(ystart + 2 * ystep, FC_RED,
 782                     "info@artsoft.org");
 783   DrawTextFCentered(ystart + 3 * ystep, FC_YELLOW,
 784                     "or SnailMail to:");
 785   DrawTextFCentered(ystart + 4 * ystep + 0, FC_RED,
 786                     "Holger Schemel");
 787   DrawTextFCentered(ystart + 4 * ystep + 20, FC_RED,
 788                     "Detmolder Strasse 189");
 789   DrawTextFCentered(ystart + 4 * ystep + 40, FC_RED,
 790                     "33604 Bielefeld");
 791   DrawTextFCentered(ystart + 4 * ystep + 60, FC_RED,
 792                     "Germany");
 793
 794   DrawTextFCentered(ystart + 7 * ystep, FC_YELLOW,
 795                     "If you have created new levels,");
 796   DrawTextFCentered(ystart + 8 * ystep, FC_YELLOW,
 797                     "send them to me to include them!");
 798   DrawTextFCentered(ystart + 9 * ystep, FC_YELLOW,
 799                     ":-)");
 800
 801   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for main menu");
 802 }
 803
 804 void DrawHelpScreen()
 805 {
 806   int i;
 807
 808   UnmapAllGadgets();
 809   CloseDoor(DOOR_CLOSE_2);
 810
 811   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 812     helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 813   helpscreen_musicpos = 0;
 814   helpscreen_state = 0;
 815   DrawHelpScreenElText(0);
 816   DrawHelpScreenElAction(0);
 817
 818   FadeToFront();
 819   InitAnimation();
 820   PlaySoundLoop(SND_RHYTHMLOOP);
 821 }
 822
 823 void HandleHelpScreen(int button)
 824 {
 825   static unsigned long hs_delay = 0;
 826   int num_helpscreen_els_pages =
 827     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
 828   int button_released = !button;
 829   int i;
 830
 831   if (button_released)
 832   {
 833     if (helpscreen_state < num_helpscreen_els_pages - 1)
 834     {
 835       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 836         helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 837       helpscreen_state++;
 838       DrawHelpScreenElText(helpscreen_state*MAX_HELPSCREEN_ELS);
 839       DrawHelpScreenElAction(helpscreen_state*MAX_HELPSCREEN_ELS);
 840     }
 841     else if (helpscreen_state <
 842              num_helpscreen_els_pages + num_helpscreen_music - 1)
 843     {
 844       helpscreen_state++;
 845       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
 846     }
 847     else if (helpscreen_state ==
 848              num_helpscreen_els_pages + num_helpscreen_music - 1)
 849     {
 850       helpscreen_state++;
 851       DrawHelpScreenCreditsText();
 852     }
 853     else if (helpscreen_state ==
 854              num_helpscreen_els_pages + num_helpscreen_music)
 855     {
 856       helpscreen_state++;
 857       DrawHelpScreenContactText();
 858     }
 859     else
 860     {
 861       FadeSounds();
 862       DrawMainMenu();
 863       game_status = MAINMENU;
 864     }
 865   }
 866   else
 867   {
 868     if (DelayReached(&hs_delay,GAME_FRAME_DELAY * 2))
 869     {
 870       if (helpscreen_state<num_helpscreen_els_pages)
 871         DrawHelpScreenElAction(helpscreen_state*MAX_HELPSCREEN_ELS);
 872     }
 873     DoAnimation();
 874   }
 875
 876   BackToFront();
 877 }
 878
 879 void HandleTypeName(int newxpos, Key key)
 880 {
 881   static int xpos = 0, ypos = 2;
 882
 883   if (newxpos)
 884   {
 885     xpos = newxpos;
 886     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_YELLOW);
 887     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 888     return;
 889   }
 890
 891   if (((key >= KSYM_A && key <= KSYM_Z) ||
 892        (key >= KSYM_a && key <= KSYM_z)) &&
 893       xpos < MAX_PLAYER_NAME_LEN)
 894   {
 895     char ascii;
 896
 897     if (key >= KSYM_A && key <= KSYM_Z)
 898       ascii = 'A' + (char)(key - KSYM_A);
 899     else
 900       ascii = 'a' + (char)(key - KSYM_a);
 901
 902     setup.player_name[xpos] = ascii;
 903     setup.player_name[xpos + 1] = 0;
 904     xpos++;
 905     DrawTextExt(drawto, SX + 6*32, SY + ypos*32,
 906                 setup.player_name, FS_BIG, FC_YELLOW);
 907     DrawTextExt(window, SX + 6*32, SY + ypos*32,
 908                 setup.player_name, FS_BIG, FC_YELLOW);
 909     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 910   }
 911   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
 912   {
 913     xpos--;
 914     setup.player_name[xpos] = 0;
 915     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 916     DrawGraphic(xpos + 7, ypos, GFX_LEERRAUM);
 917   }
 918   else if (key == KSYM_Return && xpos > 0)
 919   {
 920     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_RED);
 921     DrawGraphic(xpos + 6, ypos, GFX_LEERRAUM);
 922
 923     SaveSetup();
 924     game_status = MAINMENU;
 925   }
 926
 927   BackToFront();
 928 }
 929
 930 static void DrawChooseTree(TreeInfo **ti_ptr)
 931 {
 932   UnmapAllGadgets();
 933   CloseDoor(DOOR_CLOSE_2);
 934
 935   ClearWindow();
 936   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
 937   MapChooseTreeGadgets(*ti_ptr);
 938
 939   FadeToFront();
 940   InitAnimation();
 941 }
 942
 943 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
 944 {
 945   struct GadgetInfo *gi = screen_gadget[id];
 946   int items_max, items_visible, item_position;
 947
 948   items_max = numTreeInfoInGroup(ti);
 949   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 950   item_position = first_entry;
 951
 952   if (item_position > items_max - items_visible)
 953     item_position = items_max - items_visible;
 954
 955   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
 956                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
 957 }
 958
 959 static void drawChooseTreeList(int first_entry, int num_page_entries,
 960                                TreeInfo *ti)
 961 {
 962   int i;
 963   char buffer[SCR_FIELDX * 2];
 964   int max_buffer_len = (SCR_FIELDX - 2) * 2;
 965   int num_entries = numTreeInfoInGroup(ti);
 966   char *title_string = NULL;
 967   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
 968
 969   ClearRectangle(backbuffer, SX, SY, SXSIZE - 32, SYSIZE);
 970   redraw_mask |= REDRAW_FIELD;
 971
 972   title_string =
 973     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
 974      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
 975      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
 976      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
 977
 978   DrawText(SX + offset, SY + offset, title_string, FS_BIG,
 979            (ti->type == TREE_TYPE_LEVEL_DIR ? FC_GREEN : FC_YELLOW));
 980
 981   for(i=0; i<num_page_entries; i++)
 982   {
 983     TreeInfo *node, *node_first;
 984     int entry_pos = first_entry + i;
 985     int ypos = MENU_SCREEN_START_YPOS + i;
 986
 987     node_first = getTreeInfoFirstGroupEntry(ti);
 988     node = getTreeInfoFromPos(node_first, entry_pos);
 989
 990     strncpy(buffer, node->name , max_buffer_len);
 991     buffer[max_buffer_len] = '\0';
 992
 993     DrawText(SX + 32, SY + ypos * 32, buffer, FS_MEDIUM, node->color);
 994
 995     if (node->parent_link)
 996       initCursor(i, GFX_ARROW_BLUE_LEFT);
 997     else if (node->level_group)
 998       initCursor(i, GFX_ARROW_BLUE_RIGHT);
 999     else
1000       initCursor(i, GFX_KUGEL_BLAU);
1001   }
1002
1003   if (first_entry > 0)
1004     DrawGraphic(0, 1, GFX_ARROW_BLUE_UP);
1005
1006   if (first_entry + num_page_entries < num_entries)
1007     DrawGraphic(0, MAX_MENU_ENTRIES_ON_SCREEN + 1, GFX_ARROW_BLUE_DOWN);
1008 }
1009
1010 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1011 {
1012   TreeInfo *node, *node_first;
1013   int x, last_redraw_mask = redraw_mask;
1014
1015   if (ti->type != TREE_TYPE_LEVEL_DIR)
1016     return;
1017
1018   node_first = getTreeInfoFirstGroupEntry(ti);
1019   node = getTreeInfoFromPos(node_first, entry_pos);
1020
1021   ClearRectangle(drawto, SX + 32, SY + 32, SXSIZE - 64, 32);
1022
1023   if (node->parent_link)
1024     DrawTextFCentered(40, FC_RED, "leave group \"%s\"", node->class_desc);
1025   else if (node->level_group)
1026     DrawTextFCentered(40, FC_RED, "enter group \"%s\"", node->class_desc);
1027   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1028     DrawTextFCentered(40, FC_RED, "%3d levels (%s)",
1029                       node->levels, node->class_desc);
1030
1031   /* let BackToFront() redraw only what is needed */
1032   redraw_mask = last_redraw_mask | REDRAW_TILES;
1033   for (x=0; x<SCR_FIELDX; x++)
1034     MarkTileDirty(x, 1);
1035 }
1036
1037 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1038                              TreeInfo **ti_ptr)
1039 {
1040   static unsigned long choose_delay = 0;
1041   TreeInfo *ti = *ti_ptr;
1042   int x = 0;
1043   int y = ti->cl_cursor;
1044   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1045   int num_entries = numTreeInfoInGroup(ti);
1046   int num_page_entries;
1047
1048   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1049     num_page_entries = num_entries;
1050   else
1051     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1052
1053   if (button == MB_MENU_INITIALIZE)
1054   {
1055     int entry_pos = posTreeInfo(ti);
1056
1057     if (ti->cl_first == -1)
1058     {
1059       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1060       ti->cl_cursor =
1061         entry_pos - ti->cl_first;
1062     }
1063
1064     if (dx == 999)      /* first entry is set by scrollbar position */
1065       ti->cl_first = dy;
1066     else
1067       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1068                                 ti->cl_first, ti);
1069
1070     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1071     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1072     drawCursor(ti->cl_cursor, FC_RED);
1073     return;
1074   }
1075   else if (button == MB_MENU_LEAVE)
1076   {
1077     if (ti->node_parent)
1078     {
1079       *ti_ptr = ti->node_parent;
1080       DrawChooseTree(ti_ptr);
1081     }
1082     else if (game_status == SETUP)
1083     {
1084       execExitSetupChooseArtwork();
1085     }
1086     else
1087     {
1088       game_status = MAINMENU;
1089       DrawMainMenu();
1090     }
1091
1092     return;
1093   }
1094
1095   if (mx || my)         /* mouse input */
1096   {
1097     x = (mx - SX) / 32;
1098     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1099   }
1100   else if (dx || dy)    /* keyboard input */
1101   {
1102     if (dy)
1103       y = ti->cl_cursor + dy;
1104
1105     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1106     {
1107       dy = SIGN(dy);
1108       step = num_page_entries - 1;
1109       y = (dy < 0 ? -1 : num_page_entries);
1110     }
1111   }
1112
1113   if (x == 0 && y == -1)
1114   {
1115     if (ti->cl_first > 0 &&
1116         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1117     {
1118       ti->cl_first -= step;
1119       if (ti->cl_first < 0)
1120         ti->cl_first = 0;
1121
1122       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1123       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1124       drawCursor(ti->cl_cursor, FC_RED);
1125       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1126                                 ti->cl_first, ti);
1127       return;
1128     }
1129   }
1130   else if (x == 0 && y > num_page_entries - 1)
1131   {
1132     if (ti->cl_first + num_page_entries < num_entries &&
1133         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1134     {
1135       ti->cl_first += step;
1136       if (ti->cl_first + num_page_entries > num_entries)
1137         ti->cl_first = MAX(0, num_entries - num_page_entries);
1138
1139       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1140       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1141       drawCursor(ti->cl_cursor, FC_RED);
1142       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1143                                 ti->cl_first, ti);
1144       return;
1145     }
1146   }
1147
1148   if (dx == 1)
1149   {
1150     TreeInfo *node_first, *node_cursor;
1151     int entry_pos = ti->cl_first + y;
1152
1153     node_first = getTreeInfoFirstGroupEntry(ti);
1154     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1155
1156     if (node_cursor->node_group)
1157     {
1158       node_cursor->cl_first = ti->cl_first;
1159       node_cursor->cl_cursor = ti->cl_cursor;
1160       *ti_ptr = node_cursor->node_group;
1161       DrawChooseTree(ti_ptr);
1162       return;
1163     }
1164   }
1165   else if (dx == -1 && ti->node_parent)
1166   {
1167     *ti_ptr = ti->node_parent;
1168     DrawChooseTree(ti_ptr);
1169     return;
1170   }
1171
1172   if (x == 0 && y >= 0 && y < num_page_entries)
1173   {
1174     if (button)
1175     {
1176       if (y != ti->cl_cursor)
1177       {
1178         drawCursor(y, FC_RED);
1179         drawCursor(ti->cl_cursor, FC_BLUE);
1180         drawChooseTreeInfo(ti->cl_first + y, ti);
1181         ti->cl_cursor = y;
1182       }
1183     }
1184     else
1185     {
1186       TreeInfo *node_first, *node_cursor;
1187       int entry_pos = ti->cl_first + y;
1188
1189       node_first = getTreeInfoFirstGroupEntry(ti);
1190       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1191
1192       if (node_cursor->node_group)
1193       {
1194         node_cursor->cl_first = ti->cl_first;
1195         node_cursor->cl_cursor = ti->cl_cursor;
1196         *ti_ptr = node_cursor->node_group;
1197         DrawChooseTree(ti_ptr);
1198       }
1199       else if (node_cursor->parent_link)
1200       {
1201         *ti_ptr = node_cursor->node_parent;
1202         DrawChooseTree(ti_ptr);
1203       }
1204       else
1205       {
1206         node_cursor->cl_first = ti->cl_first;
1207         node_cursor->cl_cursor = ti->cl_cursor;
1208         *ti_ptr = node_cursor;
1209
1210         if (ti->type == TREE_TYPE_LEVEL_DIR)
1211         {
1212           LoadLevelSetup_SeriesInfo();
1213
1214           SaveLevelSetup_LastSeries();
1215           SaveLevelSetup_SeriesInfo();
1216           TapeErase();
1217         }
1218
1219         if (game_status == SETUP)
1220         {
1221           execExitSetupChooseArtwork();
1222         }
1223         else
1224         {
1225           game_status = MAINMENU;
1226           DrawMainMenu();
1227         }
1228       }
1229     }
1230   }
1231
1232   BackToFront();
1233
1234   if (game_status == CHOOSELEVEL || game_status == SETUP)
1235     DoAnimation();
1236 }
1237
1238 void DrawChooseLevel()
1239 {
1240   DrawChooseTree(&leveldir_current);
1241 }
1242
1243 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1244 {
1245   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1246 }
1247
1248 void DrawHallOfFame(int highlight_position)
1249 {
1250   UnmapAllGadgets();
1251   FadeSounds();
1252   CloseDoor(DOOR_CLOSE_2);
1253
1254   if (highlight_position < 0)
1255     LoadScore(level_nr);
1256
1257   FadeToFront();
1258   InitAnimation();
1259   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1260   PlaySound(SND_HALLOFFAME);
1261 }
1262
1263 static void drawHallOfFameList(int first_entry, int highlight_position)
1264 {
1265   int i;
1266
1267   ClearWindow();
1268   DrawText(SX + 80, SY + 8, "Hall Of Fame", FS_BIG, FC_YELLOW);
1269   DrawTextFCentered(46, FC_RED, "HighScores of Level %d", level_nr);
1270
1271   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1272   {
1273     int entry = first_entry + i;
1274     int color = (entry == highlight_position ? FC_RED : FC_GREEN);
1275
1276 #if 0
1277     DrawText(SX, SY + 64 + i * 32, ".................", FS_BIG, color);
1278     DrawText(SX, SY + 64 + i * 32, highscore[i].Name, FS_BIG, color);
1279     DrawText(SX + 12 * 32, SY + 64 + i * 32,
1280              int2str(highscore[i].Score, 5), FS_BIG, color);
1281 #else
1282     DrawText(SX, SY + 64 + i * 32, "..................................",
1283              FS_MEDIUM, FC_YELLOW);
1284     DrawText(SX, SY + 64 + i * 32, int2str(entry + 1, 3),
1285              FS_MEDIUM, FC_YELLOW);
1286     DrawText(SX + 64, SY + 64 + i * 32, highscore[entry].Name, FS_BIG, color);
1287     DrawText(SX + 14 * 32 + 16, SY + 64 + i * 32,
1288              int2str(highscore[entry].Score, 5), FS_MEDIUM, color);
1289 #endif
1290   }
1291 }
1292
1293 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1294 {
1295   static int first_entry = 0;
1296   static int highlight_position = 0;
1297   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1298   int button_released = !button;
1299
1300   if (button == MB_MENU_INITIALIZE)
1301   {
1302     first_entry = 0;
1303     highlight_position = mx;
1304     drawHallOfFameList(first_entry, highlight_position);
1305     return;
1306   }
1307
1308   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1309     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1310
1311   if (dy < 0)
1312   {
1313     if (first_entry > 0)
1314     {
1315       first_entry -= step;
1316       if (first_entry < 0)
1317         first_entry = 0;
1318
1319       drawHallOfFameList(first_entry, highlight_position);
1320       return;
1321     }
1322   }
1323   else if (dy > 0)
1324   {
1325     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1326     {
1327       first_entry += step;
1328       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1329         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1330
1331       drawHallOfFameList(first_entry, highlight_position);
1332       return;
1333     }
1334   }
1335
1336   if (button_released)
1337   {
1338     FadeSound(SND_HALLOFFAME);
1339     game_status = MAINMENU;
1340     DrawMainMenu();
1341   }
1342
1343   BackToFront();
1344
1345   if (game_status == HALLOFFAME)
1346     DoAnimation();
1347 }
1348
1349
1350 /* ========================================================================= */
1351 /* setup screen functions                                                    */
1352 /* ========================================================================= */
1353
1354 static struct TokenInfo *setup_info;
1355 static int num_setup_info;
1356
1357 static void execSetupMain()
1358 {
1359   setup_mode = SETUP_MODE_MAIN;
1360   DrawSetupScreen();
1361 }
1362
1363 static void execSetupGraphics()
1364 {
1365   setup.graphics_set = artwork.gfx_current->name;
1366
1367   setup_mode = SETUP_MODE_GRAPHICS;
1368   DrawSetupScreen();
1369 }
1370
1371 static void execSetupSound()
1372 {
1373   setup.sounds_set = artwork.snd_current->name;
1374   setup.music_set = artwork.mus_current->name;
1375
1376   setup_mode = SETUP_MODE_SOUND;
1377   DrawSetupScreen();
1378 }
1379
1380 static void execSetupChooseGraphics()
1381 {
1382   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1383   DrawSetupScreen();
1384 }
1385
1386 static void execSetupChooseSounds()
1387 {
1388   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1389   DrawSetupScreen();
1390 }
1391
1392 static void execSetupChooseMusic()
1393 {
1394   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1395   DrawSetupScreen();
1396 }
1397
1398 static void execSetupInput()
1399 {
1400   setup_mode = SETUP_MODE_INPUT;
1401   DrawSetupScreen();
1402 }
1403
1404 static void execSetupShortcut()
1405 {
1406   setup_mode = SETUP_MODE_SHORTCUT;
1407   DrawSetupScreen();
1408 }
1409
1410 static void execExitSetupChooseArtwork()
1411 {
1412   if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
1413     execSetupGraphics();
1414   else
1415     execSetupSound();
1416 }
1417
1418 static void execExitSetup()
1419 {
1420   game_status = MAINMENU;
1421   DrawMainMenu();
1422 }
1423
1424 static void execSaveAndExitSetup()
1425 {
1426   SaveSetup();
1427   execExitSetup();
1428 }
1429
1430 static struct TokenInfo setup_info_main[] =
1431 {
1432   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics Setup"        },
1433   { TYPE_ENTER_MENU,    execSetupSound,         "Sound Setup"           },
1434   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1435   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1436   { TYPE_EMPTY,         NULL,                   ""                      },
1437 #if 0
1438   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1439   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1440 #endif
1441   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1442   { TYPE_SWITCH,        &setup.ask_on_escape,   "Ask on Esc:"           },
1443   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1444   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1445   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1446   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1447   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1448   { TYPE_EMPTY,         NULL,                   ""                      },
1449   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1450   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and exit"         },
1451   { 0,                  NULL,                   NULL                    }
1452 };
1453
1454 static struct TokenInfo setup_info_graphics[] =
1455 {
1456   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1457   { TYPE_STRING,        &setup.graphics_set,    ""                      },
1458   { TYPE_EMPTY,         NULL,                   ""                      },
1459   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1460   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1461   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1462   { TYPE_EMPTY,         NULL,                   ""                      },
1463   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1464   { 0,                  NULL,                   NULL                    }
1465 };
1466
1467 static struct TokenInfo setup_info_sound[] =
1468 {
1469   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1470   { TYPE_EMPTY,         NULL,                   ""                      },
1471   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1472   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1473   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1474   { TYPE_EMPTY,         NULL,                   ""                      },
1475   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1476   { TYPE_STRING,        &setup.sounds_set,      ""                      },
1477   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1478   { TYPE_STRING,        &setup.music_set,       ""                      },
1479   { TYPE_EMPTY,         NULL,                   ""                      },
1480   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1481   { 0,                  NULL,                   NULL                    }
1482 };
1483
1484 static struct TokenInfo setup_info_shortcut[] =
1485 {
1486   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1487   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1488   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1489   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1490   { TYPE_EMPTY,         NULL,                   ""                      },
1491   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1492   { 0,                  NULL,                   NULL                    }
1493 };
1494
1495 static Key getSetupKey()
1496 {
1497   Key key = KSYM_UNDEFINED;
1498   boolean got_key_event = FALSE;
1499
1500   while (!got_key_event)
1501   {
1502     if (PendingEvent())         /* got event */
1503     {
1504       Event event;
1505
1506       NextEvent(&event);
1507
1508       switch(event.type)
1509       {
1510         case EVENT_KEYPRESS:
1511           {
1512             key = GetEventKey((KeyEvent *)&event, TRUE);
1513
1514             /* press 'Escape' or 'Enter' to keep the existing key binding */
1515             if (key == KSYM_Escape || key == KSYM_Return)
1516               key = KSYM_UNDEFINED;     /* keep old value */
1517
1518             got_key_event = TRUE;
1519           }
1520           break;
1521
1522         case EVENT_KEYRELEASE:
1523           key_joystick_mapping = 0;
1524           break;
1525
1526         default:
1527           HandleOtherEvents(&event);
1528           break;
1529       }
1530     }
1531
1532     BackToFront();
1533     DoAnimation();
1534
1535     /* don't eat all CPU time */
1536     Delay(10);
1537   }
1538
1539   return key;
1540 }
1541
1542 static void drawSetupValue(int pos)
1543 {
1544   int xpos = MENU_SCREEN_VALUE_XPOS;
1545   int ypos = MENU_SCREEN_START_YPOS + pos;
1546   int font_size = FS_BIG;
1547   int font_color = FC_YELLOW;
1548   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1549                                      setup_info[pos].value);
1550
1551   if (setup_info[pos].type & TYPE_KEY)
1552   {
1553     xpos = 3;
1554
1555     if (setup_info[pos].type & TYPE_QUERY)
1556     {
1557       value_string = "<press key>";
1558       font_color = FC_RED;
1559     }
1560   }
1561   else if (setup_info[pos].type & TYPE_STRING)
1562   {
1563     int max_value_len = (SCR_FIELDX - 2) * 2;
1564
1565     xpos = 1;
1566     font_size = FS_MEDIUM;
1567
1568     if (strlen(value_string) > max_value_len)
1569       value_string[max_value_len] = '\0';
1570   }
1571   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
1572            !*(boolean *)(setup_info[pos].value))
1573     font_color = FC_BLUE;
1574
1575   DrawText(SX + xpos * 32, SY + ypos * 32,
1576            (xpos == 3 ? "              " : "   "), FS_BIG, FC_YELLOW);
1577   DrawText(SX + xpos * 32, SY + ypos * 32, value_string, font_size,font_color);
1578 }
1579
1580 static void changeSetupValue(int pos)
1581 {
1582   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1583   {
1584     *(boolean *)setup_info[pos].value ^= TRUE;
1585   }
1586   else if (setup_info[pos].type & TYPE_KEY)
1587   {
1588     Key key;
1589
1590     setup_info[pos].type |= TYPE_QUERY;
1591     drawSetupValue(pos);
1592     setup_info[pos].type &= ~TYPE_QUERY;
1593
1594     key = getSetupKey();
1595     if (key != KSYM_UNDEFINED)
1596       *(Key *)setup_info[pos].value = key;
1597   }
1598
1599   drawSetupValue(pos);
1600 }
1601
1602 static void DrawSetupScreen_Generic()
1603 {
1604   char *title_string = NULL;
1605   int i;
1606
1607   UnmapAllGadgets();
1608   CloseDoor(DOOR_CLOSE_2);
1609   ClearWindow();
1610
1611   if (setup_mode == SETUP_MODE_MAIN)
1612   {
1613     setup_info = setup_info_main;
1614     title_string = "Setup";
1615   }
1616   else if (setup_mode == SETUP_MODE_GRAPHICS)
1617   {
1618     setup_info = setup_info_graphics;
1619     title_string = "Setup Graphics";
1620   }
1621   else if (setup_mode == SETUP_MODE_SOUND)
1622   {
1623     setup_info = setup_info_sound;
1624     title_string = "Setup Sound";
1625   }
1626   else if (setup_mode == SETUP_MODE_SHORTCUT)
1627   {
1628     setup_info = setup_info_shortcut;
1629     title_string = "Setup Shortcuts";
1630   }
1631
1632   DrawText(SX + 16, SY + 16, title_string, FS_BIG, FC_YELLOW);
1633
1634   num_setup_info = 0;
1635   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1636   {
1637     void *value_ptr = setup_info[i].value;
1638     int ypos = MENU_SCREEN_START_YPOS + i;
1639     int font_size = FS_BIG;
1640
1641     /* set some entries to "unchangeable" according to other variables */
1642     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
1643         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
1644         (value_ptr == &setup.sound_music && !audio.music_available) ||
1645         (value_ptr == &setup.sound_music && !audio.music_available) ||
1646         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
1647       setup_info[i].type |= TYPE_GHOSTED;
1648
1649     if (setup_info[i].type & TYPE_ENTER_OR_LEAVE_MENU)
1650       font_size = FS_BIG;
1651
1652     DrawText(SX + 32, SY + ypos * 32, setup_info[i].text, font_size, FC_GREEN);
1653
1654     if (setup_info[i].type & TYPE_ENTER_MENU)
1655       initCursor(i, GFX_ARROW_BLUE_RIGHT);
1656     else if (setup_info[i].type & TYPE_LEAVE_MENU)
1657       initCursor(i, GFX_ARROW_BLUE_LEFT);
1658     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
1659       initCursor(i, GFX_KUGEL_BLAU);
1660
1661     if (setup_info[i].type & TYPE_VALUE)
1662       drawSetupValue(i);
1663
1664     num_setup_info++;
1665   }
1666
1667   FadeToFront();
1668   InitAnimation();
1669   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
1670 }
1671
1672 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
1673 {
1674   static int choice_store[MAX_SETUP_MODES];
1675   int choice = choice_store[setup_mode];
1676   int x = 0;
1677   int y = choice;
1678
1679   if (button == MB_MENU_INITIALIZE)
1680   {
1681     drawCursor(choice, FC_RED);
1682     return;
1683   }
1684   else if (button == MB_MENU_LEAVE)
1685   {
1686     for (y=0; y<num_setup_info; y++)
1687     {
1688       if (setup_info[y].type & TYPE_LEAVE_MENU)
1689       {
1690         void (*menu_callback_function)(void) = setup_info[y].value;
1691
1692         menu_callback_function();
1693         break;  /* absolutely needed because function changes 'setup_info'! */
1694       }
1695     }
1696
1697     return;
1698   }
1699
1700   if (mx || my)         /* mouse input */
1701   {
1702     x = (mx - SX) / 32;
1703     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1704   }
1705   else if (dx || dy)    /* keyboard input */
1706   {
1707     if (dx)
1708     {
1709       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
1710
1711       if ((setup_info[choice].type & menu_navigation_type) ||
1712           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
1713         button = MB_MENU_CHOICE;
1714     }
1715     else if (dy)
1716       y = choice + dy;
1717
1718     /* jump to next non-empty menu entry (up or down) */
1719     while (y > 0 && y < num_setup_info - 1 &&
1720            (setup_info[y].type & TYPE_SKIP_ENTRY))
1721       y += dy;
1722   }
1723
1724   if (x == 0 && y >= 0 && y < num_setup_info &&
1725       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
1726   {
1727     if (button)
1728     {
1729       if (y != choice)
1730       {
1731         drawCursor(y, FC_RED);
1732         drawCursor(choice, FC_BLUE);
1733         choice = choice_store[setup_mode] = y;
1734       }
1735     }
1736     else if (!(setup_info[y].type & TYPE_GHOSTED))
1737     {
1738 #if 0
1739       if (setup_info[y].type & TYPE_BOOLEAN_STYLE)
1740       {
1741         boolean new_value = !*(boolean *)(setup_info[y].value);
1742
1743         *(boolean *)setup_info[y].value = new_value;
1744         drawSetupValue(y);
1745       }
1746       else if (setup_info[y].type == TYPE_KEYTEXT &&
1747                setup_info[y + 1].type == TYPE_KEY)
1748       {
1749         changeSetupValue(y + 1);
1750       }
1751       else if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1752       {
1753         void (*menu_callback_function)(void) = setup_info[choice].value;
1754
1755         menu_callback_function();
1756       }
1757 #else
1758       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1759       {
1760         void (*menu_callback_function)(void) = setup_info[choice].value;
1761
1762         menu_callback_function();
1763       }
1764       else
1765       {
1766         if ((setup_info[y].type & TYPE_KEYTEXT) &&
1767             (setup_info[y + 1].type & TYPE_KEY))
1768           y++;
1769
1770         if (setup_info[y].type & TYPE_VALUE)
1771           changeSetupValue(y);
1772       }
1773 #endif
1774     }
1775   }
1776
1777   BackToFront();
1778
1779   if (game_status == SETUP)
1780     DoAnimation();
1781 }
1782
1783 void DrawSetupScreen_Input()
1784 {
1785   ClearWindow();
1786   DrawText(SX+16, SY+16, "Setup Input", FS_BIG, FC_YELLOW);
1787
1788   initCursor(0, GFX_KUGEL_BLAU);
1789   initCursor(1, GFX_KUGEL_BLAU);
1790   initCursor(2, GFX_ARROW_BLUE_RIGHT);
1791   initCursor(13, GFX_ARROW_BLUE_LEFT);
1792
1793   DrawGraphic(10, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_LEFT);
1794   DrawGraphic(12, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_RIGHT);
1795
1796   DrawText(SX+32, SY+2*32, "Player:", FS_BIG, FC_GREEN);
1797   DrawText(SX+32, SY+3*32, "Device:", FS_BIG, FC_GREEN);
1798   DrawText(SX+32, SY+15*32, "Exit", FS_BIG, FC_GREEN);
1799
1800   DeactivateJoystickForCalibration();
1801   DrawTextFCentered(SYSIZE - 20, FC_BLUE,
1802                     "Joysticks deactivated on this screen");
1803
1804   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
1805   FadeToFront();
1806   InitAnimation();
1807 }
1808
1809 static void setJoystickDeviceToNr(char *device_name, int device_nr)
1810 {
1811   if (device_name == NULL)
1812     return;
1813
1814   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
1815     device_nr = 0;
1816
1817   if (strlen(device_name) > 1)
1818   {
1819     char c1 = device_name[strlen(device_name) - 1];
1820     char c2 = device_name[strlen(device_name) - 2];
1821
1822     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
1823       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
1824   }
1825   else
1826     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
1827             strlen(device_name));
1828 }
1829
1830 static void drawPlayerSetupInputInfo(int player_nr)
1831 {
1832   int i;
1833   static struct SetupKeyboardInfo custom_key;
1834   static struct
1835   {
1836     Key *key;
1837     char *text;
1838   } custom[] =
1839   {
1840     { &custom_key.left,  "Joystick Left"  },
1841     { &custom_key.right, "Joystick Right" },
1842     { &custom_key.up,    "Joystick Up"    },
1843     { &custom_key.down,  "Joystick Down"  },
1844     { &custom_key.snap,  "Button 1"       },
1845     { &custom_key.bomb,  "Button 2"       }
1846   };
1847   static char *joystick_name[MAX_PLAYERS] =
1848   {
1849     "Joystick1",
1850     "Joystick2",
1851     "Joystick3",
1852     "Joystick4"
1853   };
1854
1855   custom_key = setup.input[player_nr].key;
1856
1857   DrawText(SX+11*32, SY+2*32, int2str(player_nr + 1, 1), FS_BIG, FC_RED);
1858   DrawGraphic(8, 2, GFX_SPIELER1 + player_nr);
1859
1860   if (setup.input[player_nr].use_joystick)
1861   {
1862     char *device_name = setup.input[player_nr].joy.device_name;
1863
1864     DrawText(SX+8*32, SY+3*32,
1865              joystick_name[getJoystickNrFromDeviceName(device_name)],
1866              FS_BIG, FC_YELLOW);
1867     DrawText(SX+32, SY+4*32, "Calibrate", FS_BIG, FC_GREEN);
1868   }
1869   else
1870   {
1871     DrawText(SX+8*32, SY+3*32, "Keyboard ", FS_BIG, FC_YELLOW);
1872     DrawText(SX+32, SY+4*32, "Customize", FS_BIG, FC_GREEN);
1873   }
1874
1875   DrawText(SX+32, SY+5*32, "Actual Settings:", FS_BIG, FC_GREEN);
1876   DrawGraphic(1, 6, GFX_ARROW_BLUE_LEFT);
1877   DrawGraphic(1, 7, GFX_ARROW_BLUE_RIGHT);
1878   DrawGraphic(1, 8, GFX_ARROW_BLUE_UP);
1879   DrawGraphic(1, 9, GFX_ARROW_BLUE_DOWN);
1880   DrawText(SX+2*32, SY+6*32, ":", FS_BIG, FC_BLUE);
1881   DrawText(SX+2*32, SY+7*32, ":", FS_BIG, FC_BLUE);
1882   DrawText(SX+2*32, SY+8*32, ":", FS_BIG, FC_BLUE);
1883   DrawText(SX+2*32, SY+9*32, ":", FS_BIG, FC_BLUE);
1884   DrawText(SX+32, SY+10*32, "Snap Field:", FS_BIG, FC_BLUE);
1885   DrawText(SX+32, SY+12*32, "Place Bomb:", FS_BIG, FC_BLUE);
1886
1887   for (i=0; i<6; i++)
1888   {
1889     int ypos = 6 + i + (i > 3 ? i-3 : 0);
1890
1891     DrawText(SX + 3*32, SY + ypos*32,
1892              "              ", FS_BIG, FC_YELLOW);
1893     DrawText(SX + 3*32, SY + ypos*32,
1894              (setup.input[player_nr].use_joystick ?
1895               custom[i].text :
1896               getKeyNameFromKey(*custom[i].key)),
1897              FS_BIG, FC_YELLOW);
1898   }
1899 }
1900
1901 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
1902 {
1903   static int choice = 0;
1904   static int player_nr = 0;
1905   int x = 0;
1906   int y = choice;
1907   int pos_start  = SETUPINPUT_SCREEN_POS_START;
1908   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
1909   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
1910   int pos_end    = SETUPINPUT_SCREEN_POS_END;
1911
1912   if (button == MB_MENU_INITIALIZE)
1913   {
1914     drawPlayerSetupInputInfo(player_nr);
1915     drawCursor(choice, FC_RED);
1916     return;
1917   }
1918   else if (button == MB_MENU_LEAVE)
1919   {
1920     setup_mode = SETUP_MODE_MAIN;
1921     DrawSetupScreen();
1922     InitJoysticks();
1923   }
1924
1925   if (mx || my)         /* mouse input */
1926   {
1927     x = (mx - SX) / 32;
1928     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1929   }
1930   else if (dx || dy)    /* keyboard input */
1931   {
1932     if (dx && choice == 0)
1933       x = (dx < 0 ? 10 : 12);
1934     else if ((dx && choice == 1) ||
1935              (dx == +1 && choice == 2) ||
1936              (dx == -1 && choice == pos_end))
1937       button = MB_MENU_CHOICE;
1938     else if (dy)
1939       y = choice + dy;
1940
1941     if (y >= pos_empty1 && y <= pos_empty2)
1942       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
1943   }
1944
1945   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
1946   {
1947     static unsigned long delay = 0;
1948
1949     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
1950       goto out;
1951
1952     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
1953
1954     drawPlayerSetupInputInfo(player_nr);
1955   }
1956   else if (x == 0 && y >= pos_start && y <= pos_end &&
1957            !(y >= pos_empty1 && y <= pos_empty2))
1958   {
1959     if (button)
1960     {
1961       if (y != choice)
1962       {
1963         drawCursor(y, FC_RED);
1964         drawCursor(choice, FC_BLUE);
1965         choice = y;
1966       }
1967     }
1968     else
1969     {
1970       if (y == 1)
1971       {
1972         char *device_name = setup.input[player_nr].joy.device_name;
1973
1974         if (!setup.input[player_nr].use_joystick)
1975         {
1976           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
1977
1978           setJoystickDeviceToNr(device_name, new_device_nr);
1979           setup.input[player_nr].use_joystick = TRUE;
1980         }
1981         else
1982         {
1983           int device_nr = getJoystickNrFromDeviceName(device_name);
1984           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
1985
1986           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
1987             setup.input[player_nr].use_joystick = FALSE;
1988           else
1989             setJoystickDeviceToNr(device_name, new_device_nr);
1990         }
1991
1992         drawPlayerSetupInputInfo(player_nr);
1993       }
1994       else if (y == 2)
1995       {
1996         if (setup.input[player_nr].use_joystick)
1997         {
1998           InitJoysticks();
1999           CalibrateJoystick(player_nr);
2000         }
2001         else
2002           CustomizeKeyboard(player_nr);
2003       }
2004       else if (y == pos_end)
2005       {
2006         InitJoysticks();
2007
2008         setup_mode = SETUP_MODE_MAIN;
2009         DrawSetupScreen();
2010       }
2011     }
2012   }
2013
2014   BackToFront();
2015
2016   out:
2017
2018   if (game_status == SETUP)
2019     DoAnimation();
2020 }
2021
2022 void CustomizeKeyboard(int player_nr)
2023 {
2024   int i;
2025   int step_nr;
2026   boolean finished = FALSE;
2027   static struct SetupKeyboardInfo custom_key;
2028   static struct
2029   {
2030     Key *key;
2031     char *text;
2032   } customize_step[] =
2033   {
2034     { &custom_key.left,  "Move Left"  },
2035     { &custom_key.right, "Move Right" },
2036     { &custom_key.up,    "Move Up"    },
2037     { &custom_key.down,  "Move Down"  },
2038     { &custom_key.snap,  "Snap Field" },
2039     { &custom_key.bomb,  "Place Bomb" }
2040   };
2041
2042   /* read existing key bindings from player setup */
2043   custom_key = setup.input[player_nr].key;
2044
2045   ClearWindow();
2046   DrawText(SX + 16, SY + 16, "Keyboard Input", FS_BIG, FC_YELLOW);
2047
2048   BackToFront();
2049   InitAnimation();
2050
2051   step_nr = 0;
2052   DrawText(SX, SY + (2+2*step_nr)*32,
2053            customize_step[step_nr].text, FS_BIG, FC_RED);
2054   DrawText(SX, SY + (2+2*step_nr+1)*32,
2055            "Key:", FS_BIG, FC_RED);
2056   DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2057            getKeyNameFromKey(*customize_step[step_nr].key),
2058            FS_BIG, FC_BLUE);
2059
2060   while(!finished)
2061   {
2062     if (PendingEvent())         /* got event */
2063     {
2064       Event event;
2065
2066       NextEvent(&event);
2067
2068       switch(event.type)
2069       {
2070         case EVENT_KEYPRESS:
2071           {
2072             Key key = GetEventKey((KeyEvent *)&event, TRUE);
2073
2074             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2075             {
2076               finished = TRUE;
2077               break;
2078             }
2079
2080             /* all keys configured -- wait for "Escape" or "Return" key */
2081             if (step_nr == 6)
2082               break;
2083
2084             /* press 'Enter' to keep the existing key binding */
2085             if (key == KSYM_Return)
2086               key = *customize_step[step_nr].key;
2087
2088             /* check if key already used */
2089             for (i=0; i<step_nr; i++)
2090               if (*customize_step[i].key == key)
2091                 break;
2092             if (i < step_nr)
2093               break;
2094
2095             /* got new key binding */
2096             *customize_step[step_nr].key = key;
2097             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2098                      "             ", FS_BIG, FC_YELLOW);
2099             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2100                      getKeyNameFromKey(key), FS_BIG, FC_YELLOW);
2101             step_nr++;
2102
2103             /* un-highlight last query */
2104             DrawText(SX, SY+(2+2*(step_nr-1))*32,
2105                      customize_step[step_nr-1].text, FS_BIG, FC_GREEN);
2106             DrawText(SX, SY+(2+2*(step_nr-1)+1)*32,
2107                      "Key:", FS_BIG, FC_GREEN);
2108
2109             /* press 'Enter' to leave */
2110             if (step_nr == 6)
2111             {
2112               DrawText(SX + 16, SY + 15*32+16,
2113                        "Press Enter", FS_BIG, FC_YELLOW);
2114               break;
2115             }
2116
2117             /* query next key binding */
2118             DrawText(SX, SY+(2+2*step_nr)*32,
2119                      customize_step[step_nr].text, FS_BIG, FC_RED);
2120             DrawText(SX, SY+(2+2*step_nr+1)*32,
2121                      "Key:", FS_BIG, FC_RED);
2122             DrawText(SX + 4*32, SY+(2+2*step_nr+1)*32,
2123                      getKeyNameFromKey(*customize_step[step_nr].key),
2124                      FS_BIG, FC_BLUE);
2125           }
2126           break;
2127
2128         case EVENT_KEYRELEASE:
2129           key_joystick_mapping = 0;
2130           break;
2131
2132         default:
2133           HandleOtherEvents(&event);
2134           break;
2135       }
2136     }
2137
2138     BackToFront();
2139     DoAnimation();
2140
2141     /* don't eat all CPU time */
2142     Delay(10);
2143   }
2144
2145   /* write new key bindings back to player setup */
2146   setup.input[player_nr].key = custom_key;
2147
2148   StopAnimation();
2149   DrawSetupScreen_Input();
2150 }
2151
2152 static boolean CalibrateJoystickMain(int player_nr)
2153 {
2154   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2155   int new_joystick_xright = JOYSTICK_XMIDDLE;
2156   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2157   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2158   int new_joystick_xmiddle, new_joystick_ymiddle;
2159
2160   int joystick_fd = joystick.fd[player_nr];
2161   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2162   boolean check[3][3];
2163   int check_remaining = 3 * 3;
2164   int joy_x, joy_y;
2165   int joy_value;
2166   int result = -1;
2167
2168   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2169     return FALSE;
2170
2171   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2172     return FALSE;
2173
2174   ClearWindow();
2175
2176   for(y=0; y<3; y++)
2177   {
2178     for(x=0; x<3; x++)
2179     {
2180       check[x][y] = FALSE;
2181       DrawGraphic(xpos + x - 1, ypos + y - 1, GFX_KUGEL_BLAU);
2182     }
2183   }
2184
2185   DrawText(SX,      SY +  6 * 32, " ROTATE JOYSTICK ", FS_BIG, FC_YELLOW);
2186   DrawText(SX,      SY +  7 * 32, "IN ALL DIRECTIONS", FS_BIG, FC_YELLOW);
2187   DrawText(SX + 16, SY +  9 * 32, "  IF ALL BALLS  ",  FS_BIG, FC_YELLOW);
2188   DrawText(SX,      SY + 10 * 32, "   ARE YELLOW,   ", FS_BIG, FC_YELLOW);
2189   DrawText(SX,      SY + 11 * 32, " CENTER JOYSTICK ", FS_BIG, FC_YELLOW);
2190   DrawText(SX,      SY + 12 * 32, "       AND       ", FS_BIG, FC_YELLOW);
2191   DrawText(SX,      SY + 13 * 32, "PRESS ANY BUTTON!", FS_BIG, FC_YELLOW);
2192
2193   joy_value = Joystick(player_nr);
2194   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2195   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2196
2197   /* eventually uncalibrated center position (joystick could be uncentered) */
2198   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2199     return FALSE;
2200
2201   new_joystick_xmiddle = joy_x;
2202   new_joystick_ymiddle = joy_y;
2203
2204   DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_ROT);
2205   BackToFront();
2206
2207   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2208   InitAnimation();
2209
2210   while(result < 0)
2211   {
2212     if (PendingEvent())         /* got event */
2213     {
2214       Event event;
2215
2216       NextEvent(&event);
2217
2218       switch(event.type)
2219       {
2220         case EVENT_KEYPRESS:
2221           switch(GetEventKey((KeyEvent *)&event, TRUE))
2222           {
2223             case KSYM_Return:
2224               if (check_remaining == 0)
2225                 result = 1;
2226               break;
2227
2228             case KSYM_Escape:
2229               result = 0;
2230               break;
2231
2232             default:
2233               break;
2234           }
2235           break;
2236
2237         case EVENT_KEYRELEASE:
2238           key_joystick_mapping = 0;
2239           break;
2240
2241         default:
2242           HandleOtherEvents(&event);
2243           break;
2244       }
2245     }
2246
2247     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2248       return FALSE;
2249
2250     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2251     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2252     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2253     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2254
2255     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2256     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2257     setup.input[player_nr].joy.xright = new_joystick_xright;
2258     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2259     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2260     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2261
2262     CheckJoystickData();
2263
2264     joy_value = Joystick(player_nr);
2265
2266     if (joy_value & JOY_BUTTON && check_remaining == 0)
2267       result = 1;
2268
2269     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2270     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2271
2272     if (x != last_x || y != last_y)
2273     {
2274       DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_GELB);
2275       DrawGraphic(xpos + x,      ypos + y,      GFX_KUGEL_ROT);
2276
2277       last_x = x;
2278       last_y = y;
2279
2280       if (check_remaining > 0 && !check[x+1][y+1])
2281       {
2282         check[x+1][y+1] = TRUE;
2283         check_remaining--;
2284       }
2285
2286 #if 0
2287 #ifdef DEBUG
2288       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2289              setup.input[player_nr].joy.xleft,
2290              setup.input[player_nr].joy.xmiddle,
2291              setup.input[player_nr].joy.xright);
2292       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2293              setup.input[player_nr].joy.yupper,
2294              setup.input[player_nr].joy.ymiddle,
2295              setup.input[player_nr].joy.ylower);
2296 #endif
2297 #endif
2298
2299     }
2300
2301     BackToFront();
2302     DoAnimation();
2303
2304     /* don't eat all CPU time */
2305     Delay(10);
2306   }
2307
2308   /* calibrated center position (joystick should now be centered) */
2309   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2310     return FALSE;
2311
2312   new_joystick_xmiddle = joy_x;
2313   new_joystick_ymiddle = joy_y;
2314
2315   StopAnimation();
2316
2317   DrawSetupScreen_Input();
2318
2319   /* wait until the last pressed button was released */
2320   while (Joystick(player_nr) & JOY_BUTTON)
2321   {
2322     if (PendingEvent())         /* got event */
2323     {
2324       Event event;
2325
2326       NextEvent(&event);
2327       HandleOtherEvents(&event);
2328
2329       Delay(10);
2330     }
2331   }
2332
2333   return TRUE;
2334 }
2335
2336 void CalibrateJoystick(int player_nr)
2337 {
2338   if (!CalibrateJoystickMain(player_nr))
2339   {
2340     ClearWindow();
2341
2342     DrawText(SX + 16, SY + 6*32, "  JOYSTICK NOT  ",  FS_BIG, FC_YELLOW);
2343     DrawText(SX,      SY + 7*32, "    AVAILABLE    ", FS_BIG, FC_YELLOW);
2344     BackToFront();
2345     Delay(2000);        /* show error message for two seconds */
2346   }
2347 }
2348
2349 void DrawSetupScreen()
2350 {
2351   if (setup_mode == SETUP_MODE_INPUT)
2352     DrawSetupScreen_Input();
2353   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2354     DrawChooseTree(&artwork.gfx_current);
2355   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2356     DrawChooseTree(&artwork.snd_current);
2357   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2358     DrawChooseTree(&artwork.mus_current);
2359   else
2360     DrawSetupScreen_Generic();
2361 }
2362
2363 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2364 {
2365   if (setup_mode == SETUP_MODE_INPUT)
2366     HandleSetupScreen_Input(mx, my, dx, dy, button);
2367   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2368     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2369   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2370     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2371   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2372     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2373   else
2374     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2375 }
2376
2377 void HandleGameActions()
2378 {
2379   if (game_status != PLAYING)
2380     return;
2381
2382   if (local_player->LevelSolved)
2383     GameWon();
2384
2385   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2386     TapeStop();
2387
2388   GameActions();
2389
2390   BackToFront();
2391 }
2392
2393 /* ---------- new screen button stuff -------------------------------------- */
2394
2395 /* graphic position and size values for buttons and scrollbars */
2396 #define SC_SCROLLBUTTON_XPOS            64
2397 #define SC_SCROLLBUTTON_YPOS            0
2398 #define SC_SCROLLBAR_XPOS               0
2399 #define SC_SCROLLBAR_YPOS               64
2400
2401 #define SC_SCROLLBUTTON_XSIZE           32
2402 #define SC_SCROLLBUTTON_YSIZE           32
2403
2404 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2405 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2406 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2407 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2408 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2409 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2410 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2411 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2412
2413 #define SC_BORDER_SIZE                  14
2414
2415 static struct
2416 {
2417   int xpos, ypos;
2418   int x, y;
2419   int gadget_id;
2420   char *infotext;
2421 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2422 {
2423   {
2424     SC_SCROLLBUTTON_XPOS + 0 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2425     SC_SCROLL_UP_XPOS,                                  SC_SCROLL_UP_YPOS,
2426     SCREEN_CTRL_ID_SCROLL_UP,
2427     "scroll level series up"
2428   },
2429   {
2430     SC_SCROLLBUTTON_XPOS + 1 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2431     SC_SCROLL_DOWN_XPOS,                                SC_SCROLL_DOWN_YPOS,
2432     SCREEN_CTRL_ID_SCROLL_DOWN,
2433     "scroll level series down"
2434   }
2435 };
2436
2437 static struct
2438 {
2439   int xpos, ypos;
2440   int x, y;
2441   int width, height;
2442   int type;
2443   int gadget_id;
2444   char *infotext;
2445 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2446 {
2447   {
2448     SC_SCROLLBAR_XPOS,                  SC_SCROLLBAR_YPOS,
2449     SX + SC_SCROLL_VERTICAL_XPOS,       SY + SC_SCROLL_VERTICAL_YPOS,
2450     SC_SCROLL_VERTICAL_XSIZE,           SC_SCROLL_VERTICAL_YSIZE,
2451     GD_TYPE_SCROLLBAR_VERTICAL,
2452     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2453     "scroll level series vertically"
2454   }
2455 };
2456
2457 static void CreateScreenScrollbuttons()
2458 {
2459   Bitmap *gd_bitmap = pix[PIX_MORE];
2460   struct GadgetInfo *gi;
2461   unsigned long event_mask;
2462   int i;
2463
2464   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2465   {
2466     int id = scrollbutton_info[i].gadget_id;
2467     int x, y, width, height;
2468     int gd_x1, gd_x2, gd_y1, gd_y2;
2469
2470     x = scrollbutton_info[i].x;
2471     y = scrollbutton_info[i].y;
2472
2473     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2474
2475     x += SX;
2476     y += SY;
2477     width = SC_SCROLLBUTTON_XSIZE;
2478     height = SC_SCROLLBUTTON_YSIZE;
2479     gd_x1 = scrollbutton_info[i].xpos;
2480     gd_y1 = scrollbutton_info[i].ypos;
2481     gd_x2 = gd_x1;
2482     gd_y2 = gd_y1 + SC_SCROLLBUTTON_YSIZE;
2483
2484     gi = CreateGadget(GDI_CUSTOM_ID, id,
2485                       GDI_CUSTOM_TYPE_ID, i,
2486                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2487                       GDI_X, x,
2488                       GDI_Y, y,
2489                       GDI_WIDTH, width,
2490                       GDI_HEIGHT, height,
2491                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2492                       GDI_STATE, GD_BUTTON_UNPRESSED,
2493                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2494                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2495                       GDI_EVENT_MASK, event_mask,
2496                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2497                       GDI_END);
2498
2499     if (gi == NULL)
2500       Error(ERR_EXIT, "cannot create gadget");
2501
2502     screen_gadget[id] = gi;
2503   }
2504 }
2505
2506 static void CreateScreenScrollbars()
2507 {
2508   int i;
2509
2510   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2511   {
2512     int id = scrollbar_info[i].gadget_id;
2513     Bitmap *gd_bitmap = pix[PIX_MORE];
2514     int gd_x1, gd_x2, gd_y1, gd_y2;
2515     struct GadgetInfo *gi;
2516     int items_max, items_visible, item_position;
2517     unsigned long event_mask;
2518     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2519
2520 #if 0
2521     if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
2522       num_page_entries = num_leveldirs;
2523     else
2524       num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2525
2526     items_max = MAX(num_leveldirs, num_page_entries);
2527     items_visible = num_page_entries;
2528     item_position = 0;
2529 #else
2530     items_max = num_page_entries;
2531     items_visible = num_page_entries;
2532     item_position = 0;
2533 #endif
2534
2535     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2536
2537     gd_x1 = scrollbar_info[i].xpos;
2538     gd_x2 = gd_x1 + scrollbar_info[i].width;
2539     gd_y1 = scrollbar_info[i].ypos;
2540     gd_y2 = scrollbar_info[i].ypos;
2541
2542     gi = CreateGadget(GDI_CUSTOM_ID, id,
2543                       GDI_CUSTOM_TYPE_ID, i,
2544                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2545                       GDI_X, scrollbar_info[i].x,
2546                       GDI_Y, scrollbar_info[i].y,
2547                       GDI_WIDTH, scrollbar_info[i].width,
2548                       GDI_HEIGHT, scrollbar_info[i].height,
2549                       GDI_TYPE, scrollbar_info[i].type,
2550                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2551                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2552                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2553                       GDI_STATE, GD_BUTTON_UNPRESSED,
2554                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2555                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2556                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
2557                       GDI_EVENT_MASK, event_mask,
2558                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2559                       GDI_END);
2560
2561     if (gi == NULL)
2562       Error(ERR_EXIT, "cannot create gadget");
2563
2564     screen_gadget[id] = gi;
2565   }
2566 }
2567
2568 void CreateScreenGadgets()
2569 {
2570   CreateScreenScrollbuttons();
2571   CreateScreenScrollbars();
2572 }
2573
2574 void MapChooseTreeGadgets(TreeInfo *ti)
2575 {
2576   int num_entries = numTreeInfoInGroup(ti);
2577   int i;
2578
2579   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
2580     return;
2581
2582   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2583     MapGadget(screen_gadget[i]);
2584 }
2585
2586 void UnmapChooseTreeGadgets()
2587 {
2588   int i;
2589
2590   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2591     UnmapGadget(screen_gadget[i]);
2592 }
2593
2594 static void HandleScreenGadgets(struct GadgetInfo *gi)
2595 {
2596   int id = gi->custom_id;
2597
2598   if (game_status != CHOOSELEVEL)
2599     return;
2600
2601   switch (id)
2602   {
2603     case SCREEN_CTRL_ID_SCROLL_UP:
2604       HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
2605       break;
2606
2607     case SCREEN_CTRL_ID_SCROLL_DOWN:
2608       HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2609       break;
2610
2611     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
2612       HandleChooseLevel(0,0, 999,gi->event.item_position, MB_MENU_INITIALIZE);
2613       break;
2614
2615     default:
2616       break;
2617   }
2618 }