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_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     DoAnimation();
 876   }
 877
 878   BackToFront();
 879 }
 880
 881 void HandleTypeName(int newxpos, Key key)
 882 {
 883   static int xpos = 0, ypos = 2;
 884
 885   if (newxpos)
 886   {
 887     xpos = newxpos;
 888     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_YELLOW);
 889     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 890     return;
 891   }
 892
 893   if (((key >= KSYM_A && key <= KSYM_Z) ||
 894        (key >= KSYM_a && key <= KSYM_z)) &&
 895       xpos < MAX_PLAYER_NAME_LEN)
 896   {
 897     char ascii;
 898
 899     if (key >= KSYM_A && key <= KSYM_Z)
 900       ascii = 'A' + (char)(key - KSYM_A);
 901     else
 902       ascii = 'a' + (char)(key - KSYM_a);
 903
 904     setup.player_name[xpos] = ascii;
 905     setup.player_name[xpos + 1] = 0;
 906     xpos++;
 907     DrawTextExt(drawto, SX + 6*32, SY + ypos*32,
 908                 setup.player_name, FS_BIG, FC_YELLOW);
 909     DrawTextExt(window, SX + 6*32, SY + ypos*32,
 910                 setup.player_name, FS_BIG, FC_YELLOW);
 911     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 912   }
 913   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
 914   {
 915     xpos--;
 916     setup.player_name[xpos] = 0;
 917     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 918     DrawGraphic(xpos + 7, ypos, GFX_LEERRAUM);
 919   }
 920   else if (key == KSYM_Return && xpos > 0)
 921   {
 922     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_RED);
 923     DrawGraphic(xpos + 6, ypos, GFX_LEERRAUM);
 924
 925     SaveSetup();
 926     game_status = MAINMENU;
 927   }
 928
 929   BackToFront();
 930 }
 931
 932 static void DrawChooseTree(TreeInfo **ti_ptr)
 933 {
 934   UnmapAllGadgets();
 935   CloseDoor(DOOR_CLOSE_2);
 936
 937   ClearWindow();
 938   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
 939   MapChooseTreeGadgets(*ti_ptr);
 940
 941   FadeToFront();
 942   InitAnimation();
 943 }
 944
 945 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
 946 {
 947   struct GadgetInfo *gi = screen_gadget[id];
 948   int items_max, items_visible, item_position;
 949
 950   items_max = numTreeInfoInGroup(ti);
 951   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 952   item_position = first_entry;
 953
 954   if (item_position > items_max - items_visible)
 955     item_position = items_max - items_visible;
 956
 957   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
 958                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
 959 }
 960
 961 static void drawChooseTreeList(int first_entry, int num_page_entries,
 962                                TreeInfo *ti)
 963 {
 964   int i;
 965   char buffer[SCR_FIELDX * 2];
 966   int max_buffer_len = (SCR_FIELDX - 2) * 2;
 967   int num_entries = numTreeInfoInGroup(ti);
 968   char *title_string = NULL;
 969   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
 970
 971   ClearRectangle(backbuffer, SX, SY, SXSIZE - 32, SYSIZE);
 972   redraw_mask |= REDRAW_FIELD;
 973
 974   title_string =
 975     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
 976      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
 977      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
 978      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
 979
 980   DrawText(SX + offset, SY + offset, title_string, FS_BIG,
 981            (ti->type == TREE_TYPE_LEVEL_DIR ? FC_GREEN : FC_YELLOW));
 982
 983   for(i=0; i<num_page_entries; i++)
 984   {
 985     TreeInfo *node, *node_first;
 986     int entry_pos = first_entry + i;
 987     int ypos = MENU_SCREEN_START_YPOS + i;
 988
 989     node_first = getTreeInfoFirstGroupEntry(ti);
 990     node = getTreeInfoFromPos(node_first, entry_pos);
 991
 992     strncpy(buffer, node->name , max_buffer_len);
 993     buffer[max_buffer_len] = '\0';
 994
 995     DrawText(SX + 32, SY + ypos * 32, buffer, FS_MEDIUM, node->color);
 996
 997     if (node->parent_link)
 998       initCursor(i, GFX_ARROW_BLUE_LEFT);
 999     else if (node->level_group)
1000       initCursor(i, GFX_ARROW_BLUE_RIGHT);
1001     else
1002       initCursor(i, GFX_KUGEL_BLAU);
1003   }
1004
1005   if (first_entry > 0)
1006     DrawGraphic(0, 1, GFX_ARROW_BLUE_UP);
1007
1008   if (first_entry + num_page_entries < num_entries)
1009     DrawGraphic(0, MAX_MENU_ENTRIES_ON_SCREEN + 1, GFX_ARROW_BLUE_DOWN);
1010 }
1011
1012 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1013 {
1014   TreeInfo *node, *node_first;
1015   int x, last_redraw_mask = redraw_mask;
1016
1017   if (ti->type != TREE_TYPE_LEVEL_DIR)
1018     return;
1019
1020   node_first = getTreeInfoFirstGroupEntry(ti);
1021   node = getTreeInfoFromPos(node_first, entry_pos);
1022
1023   ClearRectangle(drawto, SX + 32, SY + 32, SXSIZE - 64, 32);
1024
1025   if (node->parent_link)
1026     DrawTextFCentered(40, FC_RED, "leave group \"%s\"", node->class_desc);
1027   else if (node->level_group)
1028     DrawTextFCentered(40, FC_RED, "enter group \"%s\"", node->class_desc);
1029   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1030     DrawTextFCentered(40, FC_RED, "%3d levels (%s)",
1031                       node->levels, node->class_desc);
1032
1033   /* let BackToFront() redraw only what is needed */
1034   redraw_mask = last_redraw_mask | REDRAW_TILES;
1035   for (x=0; x<SCR_FIELDX; x++)
1036     MarkTileDirty(x, 1);
1037 }
1038
1039 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1040                              TreeInfo **ti_ptr)
1041 {
1042   static unsigned long choose_delay = 0;
1043   TreeInfo *ti = *ti_ptr;
1044   int x = 0;
1045   int y = ti->cl_cursor;
1046   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1047   int num_entries = numTreeInfoInGroup(ti);
1048   int num_page_entries;
1049
1050   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1051     num_page_entries = num_entries;
1052   else
1053     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1054
1055   if (button == MB_MENU_INITIALIZE)
1056   {
1057     int entry_pos = posTreeInfo(ti);
1058
1059     if (ti->cl_first == -1)
1060     {
1061       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1062       ti->cl_cursor =
1063         entry_pos - ti->cl_first;
1064     }
1065
1066     if (dx == 999)      /* first entry is set by scrollbar position */
1067       ti->cl_first = dy;
1068     else
1069       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1070                                 ti->cl_first, ti);
1071
1072     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1073     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1074     drawCursor(ti->cl_cursor, FC_RED);
1075     return;
1076   }
1077   else if (button == MB_MENU_LEAVE)
1078   {
1079     if (ti->node_parent)
1080     {
1081       *ti_ptr = ti->node_parent;
1082       DrawChooseTree(ti_ptr);
1083     }
1084     else if (game_status == SETUP)
1085     {
1086       execSetupArtwork();
1087     }
1088     else
1089     {
1090       game_status = MAINMENU;
1091       DrawMainMenu();
1092     }
1093
1094     return;
1095   }
1096
1097   if (mx || my)         /* mouse input */
1098   {
1099     x = (mx - SX) / 32;
1100     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1101   }
1102   else if (dx || dy)    /* keyboard input */
1103   {
1104     if (dy)
1105       y = ti->cl_cursor + dy;
1106
1107     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1108     {
1109       dy = SIGN(dy);
1110       step = num_page_entries - 1;
1111       y = (dy < 0 ? -1 : num_page_entries);
1112     }
1113   }
1114
1115   if (x == 0 && y == -1)
1116   {
1117     if (ti->cl_first > 0 &&
1118         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1119     {
1120       ti->cl_first -= step;
1121       if (ti->cl_first < 0)
1122         ti->cl_first = 0;
1123
1124       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1125       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1126       drawCursor(ti->cl_cursor, FC_RED);
1127       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1128                                 ti->cl_first, ti);
1129       return;
1130     }
1131   }
1132   else if (x == 0 && y > num_page_entries - 1)
1133   {
1134     if (ti->cl_first + num_page_entries < num_entries &&
1135         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1136     {
1137       ti->cl_first += step;
1138       if (ti->cl_first + num_page_entries > num_entries)
1139         ti->cl_first = MAX(0, num_entries - num_page_entries);
1140
1141       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1142       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1143       drawCursor(ti->cl_cursor, FC_RED);
1144       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1145                                 ti->cl_first, ti);
1146       return;
1147     }
1148   }
1149
1150   if (dx == 1)
1151   {
1152     TreeInfo *node_first, *node_cursor;
1153     int entry_pos = ti->cl_first + y;
1154
1155     node_first = getTreeInfoFirstGroupEntry(ti);
1156     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1157
1158     if (node_cursor->node_group)
1159     {
1160       node_cursor->cl_first = ti->cl_first;
1161       node_cursor->cl_cursor = ti->cl_cursor;
1162       *ti_ptr = node_cursor->node_group;
1163       DrawChooseTree(ti_ptr);
1164       return;
1165     }
1166   }
1167   else if (dx == -1 && ti->node_parent)
1168   {
1169     *ti_ptr = ti->node_parent;
1170     DrawChooseTree(ti_ptr);
1171     return;
1172   }
1173
1174   if (x == 0 && y >= 0 && y < num_page_entries)
1175   {
1176     if (button)
1177     {
1178       if (y != ti->cl_cursor)
1179       {
1180         drawCursor(y, FC_RED);
1181         drawCursor(ti->cl_cursor, FC_BLUE);
1182         drawChooseTreeInfo(ti->cl_first + y, ti);
1183         ti->cl_cursor = y;
1184       }
1185     }
1186     else
1187     {
1188       TreeInfo *node_first, *node_cursor;
1189       int entry_pos = ti->cl_first + y;
1190
1191       node_first = getTreeInfoFirstGroupEntry(ti);
1192       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1193
1194       if (node_cursor->node_group)
1195       {
1196         node_cursor->cl_first = ti->cl_first;
1197         node_cursor->cl_cursor = ti->cl_cursor;
1198         *ti_ptr = node_cursor->node_group;
1199         DrawChooseTree(ti_ptr);
1200       }
1201       else if (node_cursor->parent_link)
1202       {
1203         *ti_ptr = node_cursor->node_parent;
1204         DrawChooseTree(ti_ptr);
1205       }
1206       else
1207       {
1208         node_cursor->cl_first = ti->cl_first;
1209         node_cursor->cl_cursor = ti->cl_cursor;
1210         *ti_ptr = node_cursor;
1211
1212         if (ti->type == TREE_TYPE_LEVEL_DIR)
1213         {
1214           LoadLevelSetup_SeriesInfo();
1215
1216           SaveLevelSetup_LastSeries();
1217           SaveLevelSetup_SeriesInfo();
1218           TapeErase();
1219         }
1220
1221         if (game_status == SETUP)
1222         {
1223           execSetupArtwork();
1224         }
1225         else
1226         {
1227           game_status = MAINMENU;
1228           DrawMainMenu();
1229         }
1230       }
1231     }
1232   }
1233
1234   BackToFront();
1235
1236   if (game_status == CHOOSELEVEL || game_status == SETUP)
1237     DoAnimation();
1238 }
1239
1240 void DrawChooseLevel()
1241 {
1242   DrawChooseTree(&leveldir_current);
1243 }
1244
1245 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1246 {
1247   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1248 }
1249
1250 void DrawHallOfFame(int highlight_position)
1251 {
1252   UnmapAllGadgets();
1253   FadeSounds();
1254   CloseDoor(DOOR_CLOSE_2);
1255
1256   if (highlight_position < 0)
1257     LoadScore(level_nr);
1258
1259   FadeToFront();
1260   InitAnimation();
1261   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1262   PlaySound(SND_MENU_HALL_OF_FAME);
1263 }
1264
1265 static void drawHallOfFameList(int first_entry, int highlight_position)
1266 {
1267   int i;
1268
1269   ClearWindow();
1270   DrawText(SX + 80, SY + 8, "Hall Of Fame", FS_BIG, FC_YELLOW);
1271   DrawTextFCentered(46, FC_RED, "HighScores of Level %d", level_nr);
1272
1273   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1274   {
1275     int entry = first_entry + i;
1276     int color = (entry == highlight_position ? FC_RED : FC_GREEN);
1277
1278 #if 0
1279     DrawText(SX, SY + 64 + i * 32, ".................", FS_BIG, color);
1280     DrawText(SX, SY + 64 + i * 32, highscore[i].Name, FS_BIG, color);
1281     DrawText(SX + 12 * 32, SY + 64 + i * 32,
1282              int2str(highscore[i].Score, 5), FS_BIG, color);
1283 #else
1284     DrawText(SX, SY + 64 + i * 32, "..................................",
1285              FS_MEDIUM, FC_YELLOW);
1286     DrawText(SX, SY + 64 + i * 32, int2str(entry + 1, 3),
1287              FS_MEDIUM, FC_YELLOW);
1288     DrawText(SX + 64, SY + 64 + i * 32, highscore[entry].Name, FS_BIG, color);
1289     DrawText(SX + 14 * 32 + 16, SY + 64 + i * 32,
1290              int2str(highscore[entry].Score, 5), FS_MEDIUM, color);
1291 #endif
1292   }
1293 }
1294
1295 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1296 {
1297   static int first_entry = 0;
1298   static int highlight_position = 0;
1299   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1300   int button_released = !button;
1301
1302   if (button == MB_MENU_INITIALIZE)
1303   {
1304     first_entry = 0;
1305     highlight_position = mx;
1306     drawHallOfFameList(first_entry, highlight_position);
1307     return;
1308   }
1309
1310   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1311     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1312
1313   if (dy < 0)
1314   {
1315     if (first_entry > 0)
1316     {
1317       first_entry -= step;
1318       if (first_entry < 0)
1319         first_entry = 0;
1320
1321       drawHallOfFameList(first_entry, highlight_position);
1322       return;
1323     }
1324   }
1325   else if (dy > 0)
1326   {
1327     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1328     {
1329       first_entry += step;
1330       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1331         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1332
1333       drawHallOfFameList(first_entry, highlight_position);
1334       return;
1335     }
1336   }
1337
1338   if (button_released)
1339   {
1340     FadeSound(SND_MENU_HALL_OF_FAME);
1341     game_status = MAINMENU;
1342     DrawMainMenu();
1343   }
1344
1345   BackToFront();
1346
1347   if (game_status == HALLOFFAME)
1348     DoAnimation();
1349 }
1350
1351
1352 /* ========================================================================= */
1353 /* setup screen functions                                                    */
1354 /* ========================================================================= */
1355
1356 static struct TokenInfo *setup_info;
1357 static int num_setup_info;
1358
1359 static void execSetupMain()
1360 {
1361   setup_mode = SETUP_MODE_MAIN;
1362   DrawSetupScreen();
1363 }
1364
1365 static void execSetupGame()
1366 {
1367   setup_mode = SETUP_MODE_GAME;
1368   DrawSetupScreen();
1369 }
1370
1371 static void execSetupGraphics()
1372 {
1373   setup_mode = SETUP_MODE_GRAPHICS;
1374   DrawSetupScreen();
1375 }
1376
1377 static void execSetupSound()
1378 {
1379   setup_mode = SETUP_MODE_SOUND;
1380   DrawSetupScreen();
1381 }
1382
1383 static void execSetupArtwork()
1384 {
1385   /* needed if last screen (setup choice) changed graphics, sounds or music */
1386   ReloadCustomArtwork();
1387
1388   setup.graphics_set = artwork.gfx_current->name;
1389   setup.sounds_set = artwork.snd_current->name;
1390   setup.music_set = artwork.mus_current->name;
1391
1392   setup_mode = SETUP_MODE_ARTWORK;
1393   DrawSetupScreen();
1394 }
1395
1396 static void execSetupChooseGraphics()
1397 {
1398   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1399   DrawSetupScreen();
1400 }
1401
1402 static void execSetupChooseSounds()
1403 {
1404   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1405   DrawSetupScreen();
1406 }
1407
1408 static void execSetupChooseMusic()
1409 {
1410   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1411   DrawSetupScreen();
1412 }
1413
1414 static void execSetupInput()
1415 {
1416   setup_mode = SETUP_MODE_INPUT;
1417   DrawSetupScreen();
1418 }
1419
1420 static void execSetupShortcut()
1421 {
1422   setup_mode = SETUP_MODE_SHORTCUT;
1423   DrawSetupScreen();
1424 }
1425
1426 static void execExitSetup()
1427 {
1428   game_status = MAINMENU;
1429   DrawMainMenu();
1430 }
1431
1432 static void execSaveAndExitSetup()
1433 {
1434   SaveSetup();
1435   execExitSetup();
1436 }
1437
1438 static struct TokenInfo setup_info_main[] =
1439 {
1440   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1441   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1442   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1443   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1444   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1445   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1446   { TYPE_EMPTY,         NULL,                   ""                      },
1447   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1448   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and exit"         },
1449   { 0,                  NULL,                   NULL                    }
1450 };
1451
1452 static struct TokenInfo setup_info_game[] =
1453 {
1454   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1455   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1456   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1457   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1458   { TYPE_EMPTY,         NULL,                   ""                      },
1459   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1460   { 0,                  NULL,                   NULL                    }
1461 };
1462
1463 static struct TokenInfo setup_info_graphics[] =
1464 {
1465   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1466   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1467   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1468 #if 0
1469   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1470   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1471 #endif
1472   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1473   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1474   { TYPE_EMPTY,         NULL,                   ""                      },
1475   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1476   { 0,                  NULL,                   NULL                    }
1477 };
1478
1479 static struct TokenInfo setup_info_sound[] =
1480 {
1481   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1482   { TYPE_EMPTY,         NULL,                   ""                      },
1483   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1484   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1485   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1486   { TYPE_EMPTY,         NULL,                   ""                      },
1487   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1488   { 0,                  NULL,                   NULL                    }
1489 };
1490
1491 static struct TokenInfo setup_info_artwork[] =
1492 {
1493   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1494   { TYPE_STRING,        &setup.graphics_set,    ""                      },
1495   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1496   { TYPE_STRING,        &setup.sounds_set,      ""                      },
1497   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1498   { TYPE_STRING,        &setup.music_set,       ""                      },
1499   { TYPE_EMPTY,         NULL,                   ""                      },
1500   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1501   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1502   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1503   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1504   { TYPE_EMPTY,         NULL,                   ""                      },
1505   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1506   { 0,                  NULL,                   NULL                    }
1507 };
1508
1509 static struct TokenInfo setup_info_shortcut[] =
1510 {
1511   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1512   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1513   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1514   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1515   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1516   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1517   { TYPE_EMPTY,         NULL,                   ""                      },
1518   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1519   { TYPE_EMPTY,         NULL,                   ""                      },
1520   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1521   { 0,                  NULL,                   NULL                    }
1522 };
1523
1524 static Key getSetupKey()
1525 {
1526   Key key = KSYM_UNDEFINED;
1527   boolean got_key_event = FALSE;
1528
1529   while (!got_key_event)
1530   {
1531     if (PendingEvent())         /* got event */
1532     {
1533       Event event;
1534
1535       NextEvent(&event);
1536
1537       switch(event.type)
1538       {
1539         case EVENT_KEYPRESS:
1540           {
1541             key = GetEventKey((KeyEvent *)&event, TRUE);
1542
1543             /* press 'Escape' or 'Enter' to keep the existing key binding */
1544             if (key == KSYM_Escape || key == KSYM_Return)
1545               key = KSYM_UNDEFINED;     /* keep old value */
1546
1547             got_key_event = TRUE;
1548           }
1549           break;
1550
1551         case EVENT_KEYRELEASE:
1552           key_joystick_mapping = 0;
1553           break;
1554
1555         default:
1556           HandleOtherEvents(&event);
1557           break;
1558       }
1559     }
1560
1561     BackToFront();
1562     DoAnimation();
1563
1564     /* don't eat all CPU time */
1565     Delay(10);
1566   }
1567
1568   return key;
1569 }
1570
1571 static void drawSetupValue(int pos)
1572 {
1573   int xpos = MENU_SCREEN_VALUE_XPOS;
1574   int ypos = MENU_SCREEN_START_YPOS + pos;
1575   int font_size = FS_BIG;
1576   int font_color = FC_YELLOW;
1577   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1578                                      setup_info[pos].value);
1579
1580   if (value_string == NULL)
1581     return;
1582
1583   if (setup_info[pos].type & TYPE_KEY)
1584   {
1585     xpos = 3;
1586
1587     if (setup_info[pos].type & TYPE_QUERY)
1588     {
1589       value_string = "<press key>";
1590       font_color = FC_RED;
1591     }
1592   }
1593   else if (setup_info[pos].type & TYPE_STRING)
1594   {
1595     int max_value_len = (SCR_FIELDX - 2) * 2;
1596
1597     xpos = 1;
1598     font_size = FS_MEDIUM;
1599
1600     if (strlen(value_string) > max_value_len)
1601       value_string[max_value_len] = '\0';
1602   }
1603   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
1604            !*(boolean *)(setup_info[pos].value))
1605     font_color = FC_BLUE;
1606
1607   DrawText(SX + xpos * 32, SY + ypos * 32,
1608            (xpos == 3 ? "              " : "   "), FS_BIG, FC_YELLOW);
1609   DrawText(SX + xpos * 32, SY + ypos * 32, value_string, font_size,font_color);
1610 }
1611
1612 static void changeSetupValue(int pos)
1613 {
1614   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1615   {
1616     *(boolean *)setup_info[pos].value ^= TRUE;
1617   }
1618   else if (setup_info[pos].type & TYPE_KEY)
1619   {
1620     Key key;
1621
1622     setup_info[pos].type |= TYPE_QUERY;
1623     drawSetupValue(pos);
1624     setup_info[pos].type &= ~TYPE_QUERY;
1625
1626     key = getSetupKey();
1627     if (key != KSYM_UNDEFINED)
1628       *(Key *)setup_info[pos].value = key;
1629   }
1630
1631   drawSetupValue(pos);
1632 }
1633
1634 static void DrawSetupScreen_Generic()
1635 {
1636   char *title_string = NULL;
1637   int i;
1638
1639   UnmapAllGadgets();
1640   CloseDoor(DOOR_CLOSE_2);
1641   ClearWindow();
1642
1643   if (setup_mode == SETUP_MODE_MAIN)
1644   {
1645     setup_info = setup_info_main;
1646     title_string = "Setup";
1647   }
1648   else if (setup_mode == SETUP_MODE_GAME)
1649   {
1650     setup_info = setup_info_game;
1651     title_string = "Setup Game";
1652   }
1653   else if (setup_mode == SETUP_MODE_GRAPHICS)
1654   {
1655     setup_info = setup_info_graphics;
1656     title_string = "Setup Graphics";
1657   }
1658   else if (setup_mode == SETUP_MODE_SOUND)
1659   {
1660     setup_info = setup_info_sound;
1661     title_string = "Setup Sound";
1662   }
1663   else if (setup_mode == SETUP_MODE_ARTWORK)
1664   {
1665     setup_info = setup_info_artwork;
1666     title_string = "Custom Artwork";
1667   }
1668   else if (setup_mode == SETUP_MODE_SHORTCUT)
1669   {
1670     setup_info = setup_info_shortcut;
1671     title_string = "Setup Shortcuts";
1672   }
1673
1674   DrawText(SX + 16, SY + 16, title_string, FS_BIG, FC_YELLOW);
1675
1676   num_setup_info = 0;
1677   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1678   {
1679     void *value_ptr = setup_info[i].value;
1680     int ypos = MENU_SCREEN_START_YPOS + i;
1681     int font_size = FS_BIG;
1682
1683     /* set some entries to "unchangeable" according to other variables */
1684     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
1685         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
1686         (value_ptr == &setup.sound_music && !audio.music_available) ||
1687         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
1688       setup_info[i].type |= TYPE_GHOSTED;
1689
1690     if (setup_info[i].type & TYPE_STRING)
1691       font_size = FS_MEDIUM;
1692
1693     DrawText(SX + 32, SY + ypos * 32, setup_info[i].text, font_size, FC_GREEN);
1694
1695     if (setup_info[i].type & TYPE_ENTER_MENU)
1696       initCursor(i, GFX_ARROW_BLUE_RIGHT);
1697     else if (setup_info[i].type & TYPE_LEAVE_MENU)
1698       initCursor(i, GFX_ARROW_BLUE_LEFT);
1699     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
1700       initCursor(i, GFX_KUGEL_BLAU);
1701
1702     if (setup_info[i].type & TYPE_VALUE)
1703       drawSetupValue(i);
1704
1705     num_setup_info++;
1706   }
1707
1708   FadeToFront();
1709   InitAnimation();
1710   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
1711 }
1712
1713 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
1714 {
1715   static int choice_store[MAX_SETUP_MODES];
1716   int choice = choice_store[setup_mode];
1717   int x = 0;
1718   int y = choice;
1719
1720   if (button == MB_MENU_INITIALIZE)
1721   {
1722     drawCursor(choice, FC_RED);
1723     return;
1724   }
1725   else if (button == MB_MENU_LEAVE)
1726   {
1727     for (y=0; y<num_setup_info; y++)
1728     {
1729       if (setup_info[y].type & TYPE_LEAVE_MENU)
1730       {
1731         void (*menu_callback_function)(void) = setup_info[y].value;
1732
1733         menu_callback_function();
1734         break;  /* absolutely needed because function changes 'setup_info'! */
1735       }
1736     }
1737
1738     return;
1739   }
1740
1741   if (mx || my)         /* mouse input */
1742   {
1743     x = (mx - SX) / 32;
1744     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1745   }
1746   else if (dx || dy)    /* keyboard input */
1747   {
1748     if (dx)
1749     {
1750       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
1751
1752       if ((setup_info[choice].type & menu_navigation_type) ||
1753           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
1754         button = MB_MENU_CHOICE;
1755     }
1756     else if (dy)
1757       y = choice + dy;
1758
1759     /* jump to next non-empty menu entry (up or down) */
1760     while (y > 0 && y < num_setup_info - 1 &&
1761            (setup_info[y].type & TYPE_SKIP_ENTRY))
1762       y += dy;
1763   }
1764
1765   if (x == 0 && y >= 0 && y < num_setup_info &&
1766       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
1767   {
1768     if (button)
1769     {
1770       if (y != choice)
1771       {
1772         drawCursor(y, FC_RED);
1773         drawCursor(choice, FC_BLUE);
1774         choice = choice_store[setup_mode] = y;
1775       }
1776     }
1777     else if (!(setup_info[y].type & TYPE_GHOSTED))
1778     {
1779       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1780       {
1781         void (*menu_callback_function)(void) = setup_info[choice].value;
1782
1783         menu_callback_function();
1784       }
1785       else
1786       {
1787         if ((setup_info[y].type & TYPE_KEYTEXT) &&
1788             (setup_info[y + 1].type & TYPE_KEY))
1789           y++;
1790
1791         if (setup_info[y].type & TYPE_VALUE)
1792           changeSetupValue(y);
1793       }
1794     }
1795   }
1796
1797   BackToFront();
1798
1799   if (game_status == SETUP)
1800     DoAnimation();
1801 }
1802
1803 void DrawSetupScreen_Input()
1804 {
1805   ClearWindow();
1806   DrawText(SX+16, SY+16, "Setup Input", FS_BIG, FC_YELLOW);
1807
1808   initCursor(0, GFX_KUGEL_BLAU);
1809   initCursor(1, GFX_KUGEL_BLAU);
1810   initCursor(2, GFX_ARROW_BLUE_RIGHT);
1811   initCursor(13, GFX_ARROW_BLUE_LEFT);
1812
1813   DrawGraphic(10, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_LEFT);
1814   DrawGraphic(12, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_RIGHT);
1815
1816   DrawText(SX+32, SY+2*32, "Player:", FS_BIG, FC_GREEN);
1817   DrawText(SX+32, SY+3*32, "Device:", FS_BIG, FC_GREEN);
1818   DrawText(SX+32, SY+15*32, "Exit", FS_BIG, FC_GREEN);
1819
1820 #if 0
1821   DeactivateJoystickForCalibration();
1822   DrawTextFCentered(SYSIZE - 20, FC_BLUE,
1823                     "Joysticks deactivated on this screen");
1824 #endif
1825
1826   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
1827   FadeToFront();
1828   InitAnimation();
1829 }
1830
1831 static void setJoystickDeviceToNr(char *device_name, int device_nr)
1832 {
1833   if (device_name == NULL)
1834     return;
1835
1836   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
1837     device_nr = 0;
1838
1839   if (strlen(device_name) > 1)
1840   {
1841     char c1 = device_name[strlen(device_name) - 1];
1842     char c2 = device_name[strlen(device_name) - 2];
1843
1844     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
1845       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
1846   }
1847   else
1848     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
1849             strlen(device_name));
1850 }
1851
1852 static void drawPlayerSetupInputInfo(int player_nr)
1853 {
1854   int i;
1855   static struct SetupKeyboardInfo custom_key;
1856   static struct
1857   {
1858     Key *key;
1859     char *text;
1860   } custom[] =
1861   {
1862     { &custom_key.left,  "Joystick Left"  },
1863     { &custom_key.right, "Joystick Right" },
1864     { &custom_key.up,    "Joystick Up"    },
1865     { &custom_key.down,  "Joystick Down"  },
1866     { &custom_key.snap,  "Button 1"       },
1867     { &custom_key.bomb,  "Button 2"       }
1868   };
1869   static char *joystick_name[MAX_PLAYERS] =
1870   {
1871     "Joystick1",
1872     "Joystick2",
1873     "Joystick3",
1874     "Joystick4"
1875   };
1876
1877   custom_key = setup.input[player_nr].key;
1878
1879   DrawText(SX+11*32, SY+2*32, int2str(player_nr + 1, 1), FS_BIG, FC_RED);
1880   DrawGraphic(8, 2, GFX_SPIELER1 + player_nr);
1881
1882   if (setup.input[player_nr].use_joystick)
1883   {
1884     char *device_name = setup.input[player_nr].joy.device_name;
1885
1886     DrawText(SX+8*32, SY+3*32,
1887              joystick_name[getJoystickNrFromDeviceName(device_name)],
1888              FS_BIG, FC_YELLOW);
1889     DrawText(SX+32, SY+4*32, "Calibrate", FS_BIG, FC_GREEN);
1890   }
1891   else
1892   {
1893     DrawText(SX+8*32, SY+3*32, "Keyboard ", FS_BIG, FC_YELLOW);
1894     DrawText(SX+32, SY+4*32, "Customize", FS_BIG, FC_GREEN);
1895   }
1896
1897   DrawText(SX+32, SY+5*32, "Actual Settings:", FS_BIG, FC_GREEN);
1898   DrawGraphic(1, 6, GFX_ARROW_BLUE_LEFT);
1899   DrawGraphic(1, 7, GFX_ARROW_BLUE_RIGHT);
1900   DrawGraphic(1, 8, GFX_ARROW_BLUE_UP);
1901   DrawGraphic(1, 9, GFX_ARROW_BLUE_DOWN);
1902   DrawText(SX+2*32, SY+6*32, ":", FS_BIG, FC_BLUE);
1903   DrawText(SX+2*32, SY+7*32, ":", FS_BIG, FC_BLUE);
1904   DrawText(SX+2*32, SY+8*32, ":", FS_BIG, FC_BLUE);
1905   DrawText(SX+2*32, SY+9*32, ":", FS_BIG, FC_BLUE);
1906   DrawText(SX+32, SY+10*32, "Snap Field:", FS_BIG, FC_BLUE);
1907   DrawText(SX+32, SY+12*32, "Place Bomb:", FS_BIG, FC_BLUE);
1908
1909   for (i=0; i<6; i++)
1910   {
1911     int ypos = 6 + i + (i > 3 ? i-3 : 0);
1912
1913     DrawText(SX + 3*32, SY + ypos*32,
1914              "              ", FS_BIG, FC_YELLOW);
1915     DrawText(SX + 3*32, SY + ypos*32,
1916              (setup.input[player_nr].use_joystick ?
1917               custom[i].text :
1918               getKeyNameFromKey(*custom[i].key)),
1919              FS_BIG, FC_YELLOW);
1920   }
1921 }
1922
1923 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
1924 {
1925   static int choice = 0;
1926   static int player_nr = 0;
1927   int x = 0;
1928   int y = choice;
1929   int pos_start  = SETUPINPUT_SCREEN_POS_START;
1930   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
1931   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
1932   int pos_end    = SETUPINPUT_SCREEN_POS_END;
1933
1934   if (button == MB_MENU_INITIALIZE)
1935   {
1936     drawPlayerSetupInputInfo(player_nr);
1937     drawCursor(choice, FC_RED);
1938     return;
1939   }
1940   else if (button == MB_MENU_LEAVE)
1941   {
1942     setup_mode = SETUP_MODE_MAIN;
1943     DrawSetupScreen();
1944     InitJoysticks();
1945   }
1946
1947   if (mx || my)         /* mouse input */
1948   {
1949     x = (mx - SX) / 32;
1950     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1951   }
1952   else if (dx || dy)    /* keyboard input */
1953   {
1954     if (dx && choice == 0)
1955       x = (dx < 0 ? 10 : 12);
1956     else if ((dx && choice == 1) ||
1957              (dx == +1 && choice == 2) ||
1958              (dx == -1 && choice == pos_end))
1959       button = MB_MENU_CHOICE;
1960     else if (dy)
1961       y = choice + dy;
1962
1963     if (y >= pos_empty1 && y <= pos_empty2)
1964       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
1965   }
1966
1967   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
1968   {
1969     static unsigned long delay = 0;
1970
1971     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
1972       goto out;
1973
1974     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
1975
1976     drawPlayerSetupInputInfo(player_nr);
1977   }
1978   else if (x == 0 && y >= pos_start && y <= pos_end &&
1979            !(y >= pos_empty1 && y <= pos_empty2))
1980   {
1981     if (button)
1982     {
1983       if (y != choice)
1984       {
1985         drawCursor(y, FC_RED);
1986         drawCursor(choice, FC_BLUE);
1987         choice = y;
1988       }
1989     }
1990     else
1991     {
1992       if (y == 1)
1993       {
1994         char *device_name = setup.input[player_nr].joy.device_name;
1995
1996         if (!setup.input[player_nr].use_joystick)
1997         {
1998           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
1999
2000           setJoystickDeviceToNr(device_name, new_device_nr);
2001           setup.input[player_nr].use_joystick = TRUE;
2002         }
2003         else
2004         {
2005           int device_nr = getJoystickNrFromDeviceName(device_name);
2006           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2007
2008           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2009             setup.input[player_nr].use_joystick = FALSE;
2010           else
2011             setJoystickDeviceToNr(device_name, new_device_nr);
2012         }
2013
2014         drawPlayerSetupInputInfo(player_nr);
2015       }
2016       else if (y == 2)
2017       {
2018         if (setup.input[player_nr].use_joystick)
2019         {
2020           InitJoysticks();
2021           CalibrateJoystick(player_nr);
2022         }
2023         else
2024           CustomizeKeyboard(player_nr);
2025       }
2026       else if (y == pos_end)
2027       {
2028         InitJoysticks();
2029
2030         setup_mode = SETUP_MODE_MAIN;
2031         DrawSetupScreen();
2032       }
2033     }
2034   }
2035
2036   BackToFront();
2037
2038   out:
2039
2040   if (game_status == SETUP)
2041     DoAnimation();
2042 }
2043
2044 void CustomizeKeyboard(int player_nr)
2045 {
2046   int i;
2047   int step_nr;
2048   boolean finished = FALSE;
2049   static struct SetupKeyboardInfo custom_key;
2050   static struct
2051   {
2052     Key *key;
2053     char *text;
2054   } customize_step[] =
2055   {
2056     { &custom_key.left,  "Move Left"  },
2057     { &custom_key.right, "Move Right" },
2058     { &custom_key.up,    "Move Up"    },
2059     { &custom_key.down,  "Move Down"  },
2060     { &custom_key.snap,  "Snap Field" },
2061     { &custom_key.bomb,  "Place Bomb" }
2062   };
2063
2064   /* read existing key bindings from player setup */
2065   custom_key = setup.input[player_nr].key;
2066
2067   ClearWindow();
2068   DrawText(SX + 16, SY + 16, "Keyboard Input", FS_BIG, FC_YELLOW);
2069
2070   BackToFront();
2071   InitAnimation();
2072
2073   step_nr = 0;
2074   DrawText(SX, SY + (2+2*step_nr)*32,
2075            customize_step[step_nr].text, FS_BIG, FC_RED);
2076   DrawText(SX, SY + (2+2*step_nr+1)*32,
2077            "Key:", FS_BIG, FC_RED);
2078   DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2079            getKeyNameFromKey(*customize_step[step_nr].key),
2080            FS_BIG, FC_BLUE);
2081
2082   while(!finished)
2083   {
2084     if (PendingEvent())         /* got event */
2085     {
2086       Event event;
2087
2088       NextEvent(&event);
2089
2090       switch(event.type)
2091       {
2092         case EVENT_KEYPRESS:
2093           {
2094             Key key = GetEventKey((KeyEvent *)&event, TRUE);
2095
2096             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2097             {
2098               finished = TRUE;
2099               break;
2100             }
2101
2102             /* all keys configured -- wait for "Escape" or "Return" key */
2103             if (step_nr == 6)
2104               break;
2105
2106             /* press 'Enter' to keep the existing key binding */
2107             if (key == KSYM_Return)
2108               key = *customize_step[step_nr].key;
2109
2110             /* check if key already used */
2111             for (i=0; i<step_nr; i++)
2112               if (*customize_step[i].key == key)
2113                 break;
2114             if (i < step_nr)
2115               break;
2116
2117             /* got new key binding */
2118             *customize_step[step_nr].key = key;
2119             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2120                      "             ", FS_BIG, FC_YELLOW);
2121             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2122                      getKeyNameFromKey(key), FS_BIG, FC_YELLOW);
2123             step_nr++;
2124
2125             /* un-highlight last query */
2126             DrawText(SX, SY+(2+2*(step_nr-1))*32,
2127                      customize_step[step_nr-1].text, FS_BIG, FC_GREEN);
2128             DrawText(SX, SY+(2+2*(step_nr-1)+1)*32,
2129                      "Key:", FS_BIG, FC_GREEN);
2130
2131             /* press 'Enter' to leave */
2132             if (step_nr == 6)
2133             {
2134               DrawText(SX + 16, SY + 15*32+16,
2135                        "Press Enter", FS_BIG, FC_YELLOW);
2136               break;
2137             }
2138
2139             /* query next key binding */
2140             DrawText(SX, SY+(2+2*step_nr)*32,
2141                      customize_step[step_nr].text, FS_BIG, FC_RED);
2142             DrawText(SX, SY+(2+2*step_nr+1)*32,
2143                      "Key:", FS_BIG, FC_RED);
2144             DrawText(SX + 4*32, SY+(2+2*step_nr+1)*32,
2145                      getKeyNameFromKey(*customize_step[step_nr].key),
2146                      FS_BIG, FC_BLUE);
2147           }
2148           break;
2149
2150         case EVENT_KEYRELEASE:
2151           key_joystick_mapping = 0;
2152           break;
2153
2154         default:
2155           HandleOtherEvents(&event);
2156           break;
2157       }
2158     }
2159
2160     BackToFront();
2161     DoAnimation();
2162
2163     /* don't eat all CPU time */
2164     Delay(10);
2165   }
2166
2167   /* write new key bindings back to player setup */
2168   setup.input[player_nr].key = custom_key;
2169
2170   StopAnimation();
2171   DrawSetupScreen_Input();
2172 }
2173
2174 static boolean CalibrateJoystickMain(int player_nr)
2175 {
2176   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2177   int new_joystick_xright = JOYSTICK_XMIDDLE;
2178   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2179   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2180   int new_joystick_xmiddle, new_joystick_ymiddle;
2181
2182   int joystick_fd = joystick.fd[player_nr];
2183   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2184   boolean check[3][3];
2185   int check_remaining = 3 * 3;
2186   int joy_x, joy_y;
2187   int joy_value;
2188   int result = -1;
2189
2190   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2191     return FALSE;
2192
2193   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2194     return FALSE;
2195
2196   ClearWindow();
2197
2198   for(y=0; y<3; y++)
2199   {
2200     for(x=0; x<3; x++)
2201     {
2202       check[x][y] = FALSE;
2203       DrawGraphic(xpos + x - 1, ypos + y - 1, GFX_KUGEL_BLAU);
2204     }
2205   }
2206
2207   DrawText(SX,      SY +  6 * 32, " ROTATE JOYSTICK ", FS_BIG, FC_YELLOW);
2208   DrawText(SX,      SY +  7 * 32, "IN ALL DIRECTIONS", FS_BIG, FC_YELLOW);
2209   DrawText(SX + 16, SY +  9 * 32, "  IF ALL BALLS  ",  FS_BIG, FC_YELLOW);
2210   DrawText(SX,      SY + 10 * 32, "   ARE YELLOW,   ", FS_BIG, FC_YELLOW);
2211   DrawText(SX,      SY + 11 * 32, " CENTER JOYSTICK ", FS_BIG, FC_YELLOW);
2212   DrawText(SX,      SY + 12 * 32, "       AND       ", FS_BIG, FC_YELLOW);
2213   DrawText(SX,      SY + 13 * 32, "PRESS ANY BUTTON!", FS_BIG, FC_YELLOW);
2214
2215   joy_value = Joystick(player_nr);
2216   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2217   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2218
2219   /* eventually uncalibrated center position (joystick could be uncentered) */
2220   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2221     return FALSE;
2222
2223   new_joystick_xmiddle = joy_x;
2224   new_joystick_ymiddle = joy_y;
2225
2226   DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_ROT);
2227   BackToFront();
2228
2229   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2230   InitAnimation();
2231
2232   while(result < 0)
2233   {
2234     if (PendingEvent())         /* got event */
2235     {
2236       Event event;
2237
2238       NextEvent(&event);
2239
2240       switch(event.type)
2241       {
2242         case EVENT_KEYPRESS:
2243           switch(GetEventKey((KeyEvent *)&event, TRUE))
2244           {
2245             case KSYM_Return:
2246               if (check_remaining == 0)
2247                 result = 1;
2248               break;
2249
2250             case KSYM_Escape:
2251               result = 0;
2252               break;
2253
2254             default:
2255               break;
2256           }
2257           break;
2258
2259         case EVENT_KEYRELEASE:
2260           key_joystick_mapping = 0;
2261           break;
2262
2263         default:
2264           HandleOtherEvents(&event);
2265           break;
2266       }
2267     }
2268
2269     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2270       return FALSE;
2271
2272     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2273     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2274     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2275     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2276
2277     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2278     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2279     setup.input[player_nr].joy.xright = new_joystick_xright;
2280     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2281     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2282     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2283
2284     CheckJoystickData();
2285
2286     joy_value = Joystick(player_nr);
2287
2288     if (joy_value & JOY_BUTTON && check_remaining == 0)
2289       result = 1;
2290
2291     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2292     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2293
2294     if (x != last_x || y != last_y)
2295     {
2296       DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_GELB);
2297       DrawGraphic(xpos + x,      ypos + y,      GFX_KUGEL_ROT);
2298
2299       last_x = x;
2300       last_y = y;
2301
2302       if (check_remaining > 0 && !check[x+1][y+1])
2303       {
2304         check[x+1][y+1] = TRUE;
2305         check_remaining--;
2306       }
2307
2308 #if 0
2309 #ifdef DEBUG
2310       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2311              setup.input[player_nr].joy.xleft,
2312              setup.input[player_nr].joy.xmiddle,
2313              setup.input[player_nr].joy.xright);
2314       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2315              setup.input[player_nr].joy.yupper,
2316              setup.input[player_nr].joy.ymiddle,
2317              setup.input[player_nr].joy.ylower);
2318 #endif
2319 #endif
2320
2321     }
2322
2323     BackToFront();
2324     DoAnimation();
2325
2326     /* don't eat all CPU time */
2327     Delay(10);
2328   }
2329
2330   /* calibrated center position (joystick should now be centered) */
2331   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2332     return FALSE;
2333
2334   new_joystick_xmiddle = joy_x;
2335   new_joystick_ymiddle = joy_y;
2336
2337   StopAnimation();
2338
2339   DrawSetupScreen_Input();
2340
2341   /* wait until the last pressed button was released */
2342   while (Joystick(player_nr) & JOY_BUTTON)
2343   {
2344     if (PendingEvent())         /* got event */
2345     {
2346       Event event;
2347
2348       NextEvent(&event);
2349       HandleOtherEvents(&event);
2350
2351       Delay(10);
2352     }
2353   }
2354
2355   return TRUE;
2356 }
2357
2358 void CalibrateJoystick(int player_nr)
2359 {
2360   if (!CalibrateJoystickMain(player_nr))
2361   {
2362     ClearWindow();
2363
2364     DrawText(SX + 16, SY + 6*32, "  JOYSTICK NOT  ",  FS_BIG, FC_YELLOW);
2365     DrawText(SX,      SY + 7*32, "    AVAILABLE    ", FS_BIG, FC_YELLOW);
2366     BackToFront();
2367     Delay(2000);        /* show error message for two seconds */
2368   }
2369 }
2370
2371 void DrawSetupScreen()
2372 {
2373   DeactivateJoystick();
2374
2375   if (setup_mode == SETUP_MODE_INPUT)
2376     DrawSetupScreen_Input();
2377   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2378     DrawChooseTree(&artwork.gfx_current);
2379   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2380     DrawChooseTree(&artwork.snd_current);
2381   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2382     DrawChooseTree(&artwork.mus_current);
2383   else
2384     DrawSetupScreen_Generic();
2385 }
2386
2387 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2388 {
2389   if (setup_mode == SETUP_MODE_INPUT)
2390     HandleSetupScreen_Input(mx, my, dx, dy, button);
2391   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2392     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2393   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2394     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2395   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2396     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2397   else
2398     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2399 }
2400
2401 void HandleGameActions()
2402 {
2403   if (game_status != PLAYING)
2404     return;
2405
2406   if (local_player->LevelSolved)
2407     GameWon();
2408
2409   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2410     TapeStop();
2411
2412   GameActions();
2413
2414   BackToFront();
2415 }
2416
2417 /* ---------- new screen button stuff -------------------------------------- */
2418
2419 /* graphic position and size values for buttons and scrollbars */
2420 #define SC_SCROLLBUTTON_XPOS            64
2421 #define SC_SCROLLBUTTON_YPOS            0
2422 #define SC_SCROLLBAR_XPOS               0
2423 #define SC_SCROLLBAR_YPOS               64
2424
2425 #define SC_SCROLLBUTTON_XSIZE           32
2426 #define SC_SCROLLBUTTON_YSIZE           32
2427
2428 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2429 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2430 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2431 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2432 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2433 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2434 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2435 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2436
2437 #define SC_BORDER_SIZE                  14
2438
2439 static struct
2440 {
2441   int xpos, ypos;
2442   int x, y;
2443   int gadget_id;
2444   char *infotext;
2445 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2446 {
2447   {
2448     SC_SCROLLBUTTON_XPOS + 0 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2449     SC_SCROLL_UP_XPOS,                                  SC_SCROLL_UP_YPOS,
2450     SCREEN_CTRL_ID_SCROLL_UP,
2451     "scroll up"
2452   },
2453   {
2454     SC_SCROLLBUTTON_XPOS + 1 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2455     SC_SCROLL_DOWN_XPOS,                                SC_SCROLL_DOWN_YPOS,
2456     SCREEN_CTRL_ID_SCROLL_DOWN,
2457     "scroll down"
2458   }
2459 };
2460
2461 static struct
2462 {
2463   int xpos, ypos;
2464   int x, y;
2465   int width, height;
2466   int type;
2467   int gadget_id;
2468   char *infotext;
2469 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2470 {
2471   {
2472     SC_SCROLLBAR_XPOS,                  SC_SCROLLBAR_YPOS,
2473     SX + SC_SCROLL_VERTICAL_XPOS,       SY + SC_SCROLL_VERTICAL_YPOS,
2474     SC_SCROLL_VERTICAL_XSIZE,           SC_SCROLL_VERTICAL_YSIZE,
2475     GD_TYPE_SCROLLBAR_VERTICAL,
2476     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2477     "scroll level series vertically"
2478   }
2479 };
2480
2481 static void CreateScreenScrollbuttons()
2482 {
2483   Bitmap *gd_bitmap = pix[PIX_MORE];
2484   struct GadgetInfo *gi;
2485   unsigned long event_mask;
2486   int i;
2487
2488   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2489   {
2490     int id = scrollbutton_info[i].gadget_id;
2491     int x, y, width, height;
2492     int gd_x1, gd_x2, gd_y1, gd_y2;
2493
2494     x = scrollbutton_info[i].x;
2495     y = scrollbutton_info[i].y;
2496
2497     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2498
2499     x += SX;
2500     y += SY;
2501     width = SC_SCROLLBUTTON_XSIZE;
2502     height = SC_SCROLLBUTTON_YSIZE;
2503     gd_x1 = scrollbutton_info[i].xpos;
2504     gd_y1 = scrollbutton_info[i].ypos;
2505     gd_x2 = gd_x1;
2506     gd_y2 = gd_y1 + SC_SCROLLBUTTON_YSIZE;
2507
2508     gi = CreateGadget(GDI_CUSTOM_ID, id,
2509                       GDI_CUSTOM_TYPE_ID, i,
2510                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2511                       GDI_X, x,
2512                       GDI_Y, y,
2513                       GDI_WIDTH, width,
2514                       GDI_HEIGHT, height,
2515                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2516                       GDI_STATE, GD_BUTTON_UNPRESSED,
2517                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2518                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2519                       GDI_EVENT_MASK, event_mask,
2520                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2521                       GDI_END);
2522
2523     if (gi == NULL)
2524       Error(ERR_EXIT, "cannot create gadget");
2525
2526     screen_gadget[id] = gi;
2527   }
2528 }
2529
2530 static void CreateScreenScrollbars()
2531 {
2532   int i;
2533
2534   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2535   {
2536     int id = scrollbar_info[i].gadget_id;
2537     Bitmap *gd_bitmap = pix[PIX_MORE];
2538     int gd_x1, gd_x2, gd_y1, gd_y2;
2539     struct GadgetInfo *gi;
2540     int items_max, items_visible, item_position;
2541     unsigned long event_mask;
2542     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2543
2544 #if 0
2545     if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
2546       num_page_entries = num_leveldirs;
2547     else
2548       num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2549
2550     items_max = MAX(num_leveldirs, num_page_entries);
2551     items_visible = num_page_entries;
2552     item_position = 0;
2553 #else
2554     items_max = num_page_entries;
2555     items_visible = num_page_entries;
2556     item_position = 0;
2557 #endif
2558
2559     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2560
2561     gd_x1 = scrollbar_info[i].xpos;
2562     gd_x2 = gd_x1 + scrollbar_info[i].width;
2563     gd_y1 = scrollbar_info[i].ypos;
2564     gd_y2 = scrollbar_info[i].ypos;
2565
2566     gi = CreateGadget(GDI_CUSTOM_ID, id,
2567                       GDI_CUSTOM_TYPE_ID, i,
2568                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2569                       GDI_X, scrollbar_info[i].x,
2570                       GDI_Y, scrollbar_info[i].y,
2571                       GDI_WIDTH, scrollbar_info[i].width,
2572                       GDI_HEIGHT, scrollbar_info[i].height,
2573                       GDI_TYPE, scrollbar_info[i].type,
2574                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2575                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2576                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2577                       GDI_STATE, GD_BUTTON_UNPRESSED,
2578                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2579                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2580                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
2581                       GDI_EVENT_MASK, event_mask,
2582                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2583                       GDI_END);
2584
2585     if (gi == NULL)
2586       Error(ERR_EXIT, "cannot create gadget");
2587
2588     screen_gadget[id] = gi;
2589   }
2590 }
2591
2592 void CreateScreenGadgets()
2593 {
2594   CreateScreenScrollbuttons();
2595   CreateScreenScrollbars();
2596 }
2597
2598 void MapChooseTreeGadgets(TreeInfo *ti)
2599 {
2600   int num_entries = numTreeInfoInGroup(ti);
2601   int i;
2602
2603   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
2604     return;
2605
2606   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2607     MapGadget(screen_gadget[i]);
2608 }
2609
2610 void UnmapChooseTreeGadgets()
2611 {
2612   int i;
2613
2614   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2615     UnmapGadget(screen_gadget[i]);
2616 }
2617
2618 static void HandleScreenGadgets(struct GadgetInfo *gi)
2619 {
2620   int id = gi->custom_id;
2621
2622   if (game_status != CHOOSELEVEL && game_status != SETUP)
2623     return;
2624
2625   switch (id)
2626   {
2627     case SCREEN_CTRL_ID_SCROLL_UP:
2628       if (game_status == CHOOSELEVEL)
2629         HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
2630       else if (game_status == SETUP)
2631         HandleSetupScreen(SX,SY + 32, 0,0, MB_MENU_MARK);
2632       break;
2633
2634     case SCREEN_CTRL_ID_SCROLL_DOWN:
2635       if (game_status == CHOOSELEVEL)
2636         HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2637       else if (game_status == SETUP)
2638         HandleSetupScreen(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2639       break;
2640
2641     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
2642       if (game_status == CHOOSELEVEL)
2643         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
2644       else if (game_status == SETUP)
2645         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
2646       break;
2647
2648     default:
2649       break;
2650   }
2651 }