src/screens.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2001 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * screens.c                                                *
  12 ***********************************************************/
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "screens.h"
  17 #include "events.h"
  18 #include "game.h"
  19 #include "tools.h"
  20 #include "editor.h"
  21 #include "files.h"
  22 #include "tape.h"
  23 #include "cartoons.h"
  24 #include "network.h"
  25 #include "init.h"
  26
  27 /* screens in the setup menu */
  28 #define SETUP_MODE_MAIN                 0
  29 #define SETUP_MODE_INPUT                1
  30 #define SETUP_MODE_SHORTCUT             2
  31 #define SETUP_MODE_GRAPHICS             3
  32 #define SETUP_MODE_SOUND                4
  33 #define SETUP_MODE_CHOOSE_GRAPHICS      5
  34 #define SETUP_MODE_CHOOSE_SOUNDS        6
  35 #define SETUP_MODE_CHOOSE_MUSIC         7
  36
  37 #define MAX_SETUP_MODES                 8
  38
  39 /* for input setup functions */
  40 #define SETUPINPUT_SCREEN_POS_START     0
  41 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  42 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  43 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  44
  45 /* for various menu stuff  */
  46 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - 2)
  47 #define MENU_SCREEN_START_YPOS          2
  48 #define MENU_SCREEN_VALUE_XPOS          14
  49
  50 /* buttons and scrollbars identifiers */
  51 #define SCREEN_CTRL_ID_SCROLL_UP        0
  52 #define SCREEN_CTRL_ID_SCROLL_DOWN      1
  53 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  2
  54
  55 #define NUM_SCREEN_SCROLLBUTTONS        2
  56 #define NUM_SCREEN_SCROLLBARS           1
  57 #define NUM_SCREEN_GADGETS              3
  58
  59 /* forward declarations of internal functions */
  60 static void HandleScreenGadgets(struct GadgetInfo *);
  61 static void execExitSetupChooseArtwork(void);
  62 static void HandleSetupScreen_Generic(int, int, int, int, int);
  63 static void HandleSetupScreen_Input(int, int, int, int, int);
  64 static void CustomizeKeyboard(int);
  65 static void CalibrateJoystick(int);
  66 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
  67
  68 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
  69 static int setup_mode = SETUP_MODE_MAIN;
  70
  71 static void drawCursorExt(int pos, int color, int graphic)
  72 {
  73   static int cursor_array[SCR_FIELDY];
  74
  75   if (graphic)
  76     cursor_array[pos] = graphic;
  77
  78   graphic = cursor_array[pos];
  79
  80   if (color == FC_RED)
  81     graphic = (graphic == GFX_ARROW_BLUE_LEFT  ? GFX_ARROW_RED_LEFT  :
  82                graphic == GFX_ARROW_BLUE_RIGHT ? GFX_ARROW_RED_RIGHT :
  83                GFX_KUGEL_ROT);
  84
  85   DrawGraphic(0, MENU_SCREEN_START_YPOS + pos, graphic);
  86 }
  87
  88 static void initCursor(int pos, int graphic)
  89 {
  90   drawCursorExt(pos, FC_BLUE, graphic);
  91 }
  92
  93 static void drawCursor(int pos, int color)
  94 {
  95   drawCursorExt(pos, color, 0);
  96 }
  97
  98 void DrawHeadline()
  99 {
 100   int x = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING) * FONT1_XSIZE) / 2;
 101
 102   DrawText(x, SY + 8, PROGRAM_TITLE_STRING, FS_BIG, FC_YELLOW);
 103   DrawTextFCentered(46, FC_RED, WINDOW_SUBTITLE_STRING);
 104 }
 105
 106 static void ToggleFullscreenIfNeeded()
 107 {
 108   if (setup.fullscreen != video.fullscreen_enabled)
 109   {
 110     /* save old door content */
 111     BlitBitmap(backbuffer, pix[PIX_DB_DOOR],
 112                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 113
 114     /* toggle fullscreen */
 115     ChangeVideoModeIfNeeded(setup.fullscreen);
 116     setup.fullscreen = video.fullscreen_enabled;
 117
 118     /* redraw background to newly created backbuffer */
 119     BlitBitmap(pix[PIX_BACK], backbuffer, 0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 120
 121     /* restore old door content */
 122     BlitBitmap(pix[PIX_DB_DOOR], backbuffer,
 123                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 124
 125     redraw_mask = REDRAW_ALL;
 126   }
 127 }
 128
 129 void DrawMainMenu()
 130 {
 131   static LevelDirTree *leveldir_last_valid = NULL;
 132   int i;
 133   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 134
 135   UnmapAllGadgets();
 136   FadeSounds();
 137   KeyboardAutoRepeatOn();
 138   ActivateJoystick();
 139   SetDrawDeactivationMask(REDRAW_NONE);
 140
 141   /* needed if last screen was the playing screen, invoked from level editor */
 142   if (level_editor_test_game)
 143   {
 144     game_status = LEVELED;
 145     DrawLevelEd();
 146     return;
 147   }
 148
 149   /* needed if last screen was the editor screen */
 150   UndrawSpecialEditorDoor();
 151
 152   /* needed if last screen was the setup screen and fullscreen state changed */
 153   ToggleFullscreenIfNeeded();
 154
 155   /* needed if last screen (setup/level) changed graphics, sounds or music */
 156   ReloadCustomArtwork();
 157
 158 #ifdef TARGET_SDL
 159   SetDrawtoField(DRAW_BACKBUFFER);
 160 #endif
 161
 162   /* map gadgets for main menu screen */
 163   MapTapeButtons();
 164
 165   /* leveldir_current may be invalid (level group, parent link) */
 166   if (!validLevelSeries(leveldir_current))
 167     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 168
 169   /* store valid level series information */
 170   leveldir_last_valid = leveldir_current;
 171
 172   /* level_nr may have been set to value over handicap with level editor */
 173   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 174     level_nr = leveldir_current->handicap_level;
 175
 176   GetPlayerConfig();
 177   LoadLevel(level_nr);
 178
 179   ClearWindow();
 180   DrawHeadline();
 181   DrawText(SX + 32,    SY + 2*32, name_text, FS_BIG, FC_GREEN);
 182   DrawText(SX + 6*32,  SY + 2*32, setup.player_name, FS_BIG, FC_RED);
 183   DrawText(SX + 32,    SY + 3*32, "Level:", FS_BIG, FC_GREEN);
 184   DrawText(SX + 11*32, SY + 3*32, int2str(level_nr,3), FS_BIG,
 185            (leveldir_current->readonly ? FC_RED : FC_YELLOW));
 186   DrawText(SX + 32,    SY + 4*32, "Hall Of Fame", FS_BIG, FC_GREEN);
 187   DrawText(SX + 32,    SY + 5*32, "Level Creator", FS_BIG, FC_GREEN);
 188   DrawText(SY + 32,    SY + 6*32, "Info Screen", FS_BIG, FC_GREEN);
 189   DrawText(SX + 32,    SY + 7*32, "Start Game", FS_BIG, FC_GREEN);
 190   DrawText(SX + 32,    SY + 8*32, "Setup", FS_BIG, FC_GREEN);
 191   DrawText(SX + 32,    SY + 9*32, "Quit", FS_BIG, FC_GREEN);
 192
 193   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 194
 195   DrawTextF(7*32 + 6, 3*32 + 9, FC_RED, "%d-%d",
 196             leveldir_current->first_level,
 197             leveldir_current->last_level);
 198
 199   if (leveldir_current->readonly)
 200   {
 201     DrawTextF(15*32 + 6, 3*32 + 9 - 7, FC_RED, "READ");
 202     DrawTextF(15*32 + 6, 3*32 + 9 + 7, FC_RED, "ONLY");
 203   }
 204
 205   for(i=0; i<8; i++)
 206     initCursor(i, (i == 1 || i == 6 ? GFX_ARROW_BLUE_RIGHT : GFX_KUGEL_BLAU));
 207
 208   DrawGraphic(10, 3, GFX_ARROW_BLUE_LEFT);
 209   DrawGraphic(14, 3, GFX_ARROW_BLUE_RIGHT);
 210
 211   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment",
 212            FS_SMALL, FC_RED);
 213
 214   if (leveldir_current->name)
 215   {
 216     int len = strlen(leveldir_current->name);
 217     int lxpos = SX + (SXSIZE - len * FONT4_XSIZE) / 2;
 218     int lypos = SY + 352;
 219
 220     DrawText(lxpos, lypos, leveldir_current->name, FS_SMALL, FC_SPECIAL2);
 221   }
 222
 223   FadeToFront();
 224   InitAnimation();
 225   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 226
 227   TapeStop();
 228   if (TAPE_IS_EMPTY(tape))
 229     LoadTape(level_nr);
 230   DrawCompleteVideoDisplay();
 231
 232   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 233
 234 #if 0
 235   ClearEventQueue();
 236 #endif
 237 }
 238
 239 static void gotoTopLevelDir()
 240 {
 241   /* move upwards to top level directory */
 242   while (leveldir_current->node_parent)
 243   {
 244     /* write a "path" into level tree for easy navigation to last level */
 245     if (leveldir_current->node_parent->node_group->cl_first == -1)
 246     {
 247       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 248       int leveldir_pos = posTreeInfo(leveldir_current);
 249       int num_page_entries;
 250       int cl_first, cl_cursor;
 251
 252       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 253         num_page_entries = num_leveldirs;
 254       else
 255         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 256
 257       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 258       cl_cursor = leveldir_pos - cl_first;
 259
 260       leveldir_current->node_parent->node_group->cl_first = cl_first;
 261       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 262     }
 263
 264     leveldir_current = leveldir_current->node_parent;
 265   }
 266 }
 267
 268 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 269 {
 270   static int choice = 0;
 271   int x = 0;
 272   int y = choice;
 273
 274   if (button == MB_MENU_INITIALIZE)
 275   {
 276     drawCursor(choice, FC_RED);
 277     return;
 278   }
 279
 280   if (mx || my)         /* mouse input */
 281   {
 282     x = (mx - SX) / 32;
 283     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
 284   }
 285   else if (dx || dy)    /* keyboard input */
 286   {
 287     if (dx && choice == 1)
 288       x = (dx < 0 ? 10 : 14);
 289     else if (dy)
 290       y = choice + dy;
 291   }
 292
 293   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 294                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 295       button)
 296   {
 297     static unsigned long level_delay = 0;
 298     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 299     int new_level_nr, old_level_nr = level_nr;
 300     int font_color = (leveldir_current->readonly ? FC_RED : FC_YELLOW);
 301
 302     new_level_nr = level_nr + (x == 10 ? -step : +step);
 303     if (new_level_nr < leveldir_current->first_level)
 304       new_level_nr = leveldir_current->first_level;
 305     if (new_level_nr > leveldir_current->last_level)
 306       new_level_nr = leveldir_current->last_level;
 307
 308     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 309       new_level_nr = leveldir_current->handicap_level;
 310
 311     if (old_level_nr == new_level_nr ||
 312         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 313       goto out;
 314
 315     level_nr = new_level_nr;
 316
 317     DrawTextExt(drawto, SX + 11 * 32, SY + 3 * 32,
 318                 int2str(level_nr, 3), FS_BIG, font_color);
 319     DrawTextExt(window, SX + 11 * 32, SY + 3 * 32,
 320                 int2str(level_nr, 3), FS_BIG, font_color);
 321
 322     LoadLevel(level_nr);
 323     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 324
 325     TapeErase();
 326     LoadTape(level_nr);
 327     DrawCompleteVideoDisplay();
 328
 329     /* needed because DrawMicroLevel() takes some time */
 330     BackToFront();
 331     SyncDisplay();
 332     DelayReached(&level_delay, 0);      /* reset delay counter */
 333   }
 334   else if (x == 0 && y >= 0 && y <= 7)
 335   {
 336     if (button)
 337     {
 338       if (y != choice)
 339       {
 340         drawCursor(y, FC_RED);
 341         drawCursor(choice, FC_BLUE);
 342         choice = y;
 343       }
 344     }
 345     else
 346     {
 347       if (y == 0)
 348       {
 349         game_status = TYPENAME;
 350         HandleTypeName(strlen(setup.player_name), 0);
 351       }
 352       else if (y == 1)
 353       {
 354         if (leveldir_first)
 355         {
 356           game_status = CHOOSELEVEL;
 357           SaveLevelSetup_LastSeries();
 358           SaveLevelSetup_SeriesInfo();
 359
 360           gotoTopLevelDir();
 361
 362           DrawChooseLevel();
 363         }
 364       }
 365       else if (y == 2)
 366       {
 367         game_status = HALLOFFAME;
 368         DrawHallOfFame(-1);
 369       }
 370       else if (y == 3)
 371       {
 372         if (leveldir_current->readonly &&
 373             strcmp(setup.player_name, "Artsoft") != 0)
 374           Request("This level is read only !", REQ_CONFIRM);
 375         game_status = LEVELED;
 376         DrawLevelEd();
 377       }
 378       else if (y == 4)
 379       {
 380         game_status = HELPSCREEN;
 381         DrawHelpScreen();
 382       }
 383       else if (y == 5)
 384       {
 385         if (setup.autorecord)
 386           TapeStartRecording();
 387
 388 #if defined(PLATFORM_UNIX)
 389         if (options.network)
 390           SendToServer_StartPlaying();
 391         else
 392 #endif
 393         {
 394           game_status = PLAYING;
 395           StopAnimation();
 396           InitGame();
 397         }
 398       }
 399       else if (y == 6)
 400       {
 401         game_status = SETUP;
 402         setup_mode = SETUP_MODE_MAIN;
 403         DrawSetupScreen();
 404       }
 405       else if (y == 7)
 406       {
 407         SaveLevelSetup_LastSeries();
 408         SaveLevelSetup_SeriesInfo();
 409         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 410           game_status = EXITGAME;
 411       }
 412     }
 413   }
 414
 415   BackToFront();
 416
 417   out:
 418
 419   if (game_status == MAINMENU)
 420   {
 421     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 422     DoAnimation();
 423   }
 424 }
 425
 426
 427 #define MAX_HELPSCREEN_ELS      10
 428 #define HA_NEXT                 -999
 429 #define HA_END                  -1000
 430
 431 static long helpscreen_state;
 432 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 433 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 434 static int helpscreen_delay[MAX_HELPSCREEN_ELS];
 435 static int helpscreen_action[] =
 436 {
 437   GFX_SPIELER1_DOWN,4,2,
 438   GFX_SPIELER1_UP,4,2,
 439   GFX_SPIELER1_LEFT,4,2,
 440   GFX_SPIELER1_RIGHT,4,2,
 441   GFX_SPIELER1_PUSH_LEFT,4,2,
 442   GFX_SPIELER1_PUSH_RIGHT,4,2,                                  HA_NEXT,
 443   GFX_ERDREICH,1,100,                                           HA_NEXT,
 444   GFX_LEERRAUM,1,100,                                           HA_NEXT,
 445   GFX_MORAST_LEER,1,100,                                        HA_NEXT,
 446   GFX_BETON,1,100,                                              HA_NEXT,
 447   GFX_MAUERWERK,1,100,                                          HA_NEXT,
 448   GFX_MAUER_L1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 449   GFX_MAUER_R1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 450   GFX_MAUER_UP,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 451   GFX_MAUER_DOWN,3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,    HA_NEXT,
 452   GFX_UNSICHTBAR,1,100,                                         HA_NEXT,
 453   GFX_FELSBODEN,1,100,                                          HA_NEXT,
 454   GFX_CHAR_A,30,4, GFX_CHAR_AUSRUF,32,4,                        HA_NEXT,
 455   GFX_EDELSTEIN,2,5,                                            HA_NEXT,
 456   GFX_DIAMANT,2,5,                                              HA_NEXT,
 457   GFX_EDELSTEIN_BD,2,5,                                         HA_NEXT,
 458   GFX_EDELSTEIN_GELB,2,5, GFX_EDELSTEIN_ROT,2,5,
 459   GFX_EDELSTEIN_LILA,2,5,                                       HA_NEXT,
 460   GFX_FELSBROCKEN,4,5,                                          HA_NEXT,
 461   GFX_BOMBE,1,50, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,         HA_NEXT,
 462   GFX_KOKOSNUSS,1,50, GFX_CRACKINGNUT,3,1, GFX_EDELSTEIN,1,10,  HA_NEXT,
 463   GFX_ERZ_EDEL,1,50, GFX_EXPLOSION,8,1, GFX_EDELSTEIN,1,10,     HA_NEXT,
 464   GFX_ERZ_DIAM,1,50, GFX_EXPLOSION,8,1, GFX_DIAMANT,1,10,       HA_NEXT,
 465   GFX_ERZ_EDEL_BD,1,50, GFX_EXPLOSION,8,1,GFX_EDELSTEIN_BD,1,10,HA_NEXT,
 466   GFX_ERZ_EDEL_GELB,1,50, GFX_EXPLOSION,8,1,
 467   GFX_EDELSTEIN_GELB,1,10, GFX_ERZ_EDEL_ROT,1,50,
 468   GFX_EXPLOSION,8,1, GFX_EDELSTEIN_ROT,1,10,
 469   GFX_ERZ_EDEL_LILA,1,50, GFX_EXPLOSION,8,1,
 470   GFX_EDELSTEIN_LILA,1,10,                                      HA_NEXT,
 471   GFX_GEBLUBBER,4,4,                                            HA_NEXT,
 472   GFX_SCHLUESSEL1,4,25,                                         HA_NEXT,
 473   GFX_PFORTE1,4,25,                                             HA_NEXT,
 474   GFX_PFORTE1X,4,25,                                            HA_NEXT,
 475   GFX_DYNAMIT_AUS,1,100,                                        HA_NEXT,
 476   GFX_DYNAMIT,7,6, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,        HA_NEXT,
 477   GFX_DYNABOMB+0,4,3, GFX_DYNABOMB+3,1,3, GFX_DYNABOMB+2,1,3,
 478   GFX_DYNABOMB+1,1,3, GFX_DYNABOMB+0,1,3, GFX_EXPLOSION,8,1,
 479   GFX_LEERRAUM,1,10,                                            HA_NEXT,
 480   GFX_DYNABOMB_NR,1,100,                                        HA_NEXT,
 481   GFX_DYNABOMB_SZ,1,100,                                        HA_NEXT,
 482   GFX_FLIEGER+4,1,3, GFX_FLIEGER+0,1,3, GFX_FLIEGER+4,1,3,
 483   GFX_FLIEGER+5,1,3, GFX_FLIEGER+1,1,3, GFX_FLIEGER+5,1,3,
 484   GFX_FLIEGER+6,1,3, GFX_FLIEGER+2,1,3, GFX_FLIEGER+6,1,3,
 485   GFX_FLIEGER+7,1,3, GFX_FLIEGER+3,1,3, GFX_FLIEGER+7,1,3,      HA_NEXT,
 486   GFX_KAEFER+4,1,1, GFX_KAEFER+0,1,1, GFX_KAEFER+4,1,1,
 487   GFX_KAEFER+5,1,1, GFX_KAEFER+1,1,1, GFX_KAEFER+5,1,1,
 488   GFX_KAEFER+6,1,1, GFX_KAEFER+2,1,1, GFX_KAEFER+6,1,1,
 489   GFX_KAEFER+7,1,1, GFX_KAEFER+3,1,1, GFX_KAEFER+7,1,1,         HA_NEXT,
 490   GFX_BUTTERFLY,2,2,                                            HA_NEXT,
 491   GFX_FIREFLY,2,2,                                              HA_NEXT,
 492   GFX_PACMAN+0,1,3, GFX_PACMAN+4,1,2, GFX_PACMAN+0,1,3,
 493   GFX_PACMAN+1,1,3, GFX_PACMAN+5,1,2, GFX_PACMAN+1,1,3,
 494   GFX_PACMAN+2,1,3, GFX_PACMAN+6,1,2, GFX_PACMAN+2,1,3,
 495   GFX_PACMAN+3,1,3, GFX_PACMAN+7,1,2, GFX_PACMAN+3,1,3,         HA_NEXT,
 496   GFX_MAMPFER+0,4,1, GFX_MAMPFER+3,1,1, GFX_MAMPFER+2,1,1,
 497   GFX_MAMPFER+1,1,1, GFX_MAMPFER+0,1,1,                         HA_NEXT,
 498   GFX_MAMPFER2+0,4,1, GFX_MAMPFER2+3,1,1, GFX_MAMPFER2+2,1,1,
 499   GFX_MAMPFER2+1,1,1, GFX_MAMPFER2+0,1,1,                       HA_NEXT,
 500   GFX_ROBOT+0,4,1, GFX_ROBOT+3,1,1, GFX_ROBOT+2,1,1,
 501   GFX_ROBOT+1,1,1, GFX_ROBOT+0,1,1,                             HA_NEXT,
 502   GFX_MOLE_DOWN,4,2,
 503   GFX_MOLE_UP,4,2,
 504   GFX_MOLE_LEFT,4,2,
 505   GFX_MOLE_RIGHT,4,2,                                           HA_NEXT,
 506   GFX_PINGUIN_DOWN,4,2,
 507   GFX_PINGUIN_UP,4,2,
 508   GFX_PINGUIN_LEFT,4,2,
 509   GFX_PINGUIN_RIGHT,4,2,                                        HA_NEXT,
 510   GFX_SCHWEIN_DOWN,4,2,
 511   GFX_SCHWEIN_UP,4,2,
 512   GFX_SCHWEIN_LEFT,4,2,
 513   GFX_SCHWEIN_RIGHT,4,2,                                        HA_NEXT,
 514   GFX_DRACHE_DOWN,4,2,
 515   GFX_DRACHE_UP,4,2,
 516   GFX_DRACHE_LEFT,4,2,
 517   GFX_DRACHE_RIGHT,4,2,                                         HA_NEXT,
 518   GFX_SONDE_START,8,1,                                          HA_NEXT,
 519   GFX_ABLENK,4,1,                                               HA_NEXT,
 520   GFX_BIRNE_AUS,1,25, GFX_BIRNE_EIN,1,25,                       HA_NEXT,
 521   GFX_ZEIT_VOLL,1,25, GFX_ZEIT_LEER,1,25,                       HA_NEXT,
 522   GFX_TROPFEN,1,25, GFX_AMOEBING,4,1, GFX_AMOEBE_LEBT,1,10,     HA_NEXT,
 523   GFX_AMOEBE_TOT+2,2,50, GFX_AMOEBE_TOT,2,50,                   HA_NEXT,
 524   GFX_AMOEBE_LEBT,4,40,                                         HA_NEXT,
 525   GFX_AMOEBE_LEBT,1,10, GFX_AMOEBING,4,2,                       HA_NEXT,
 526   GFX_AMOEBE_LEBT,1,25, GFX_AMOEBE_TOT,1,25, GFX_EXPLOSION,8,1,
 527   GFX_DIAMANT,1,10,                                             HA_NEXT,
 528   GFX_LIFE,1,100,                                               HA_NEXT,
 529   GFX_LIFE_ASYNC,1,100,                                         HA_NEXT,
 530   GFX_MAGIC_WALL_OFF,4,2,                                       HA_NEXT,
 531   GFX_MAGIC_WALL_BD_OFF,4,2,                                    HA_NEXT,
 532   GFX_AUSGANG_ZU,1,100, GFX_AUSGANG_ACT,4,2,
 533   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 534   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 535   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 536   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 537   GFX_SOKOBAN_OBJEKT,1,100,                                     HA_NEXT,
 538   GFX_SOKOBAN_FELD_LEER,1,100,                                  HA_NEXT,
 539   GFX_SOKOBAN_FELD_VOLL,1,100,                                  HA_NEXT,
 540   GFX_SPEED_PILL,1,100,                                         HA_NEXT,
 541   HA_END
 542 };
 543 static char *helpscreen_eltext[][2] =
 544 {
 545  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 546  {"Normal sand:",                       "You can dig through it"},
 547  {"Empty field:",                       "You can walk through it"},
 548  {"Quicksand: You cannot pass it,",     "but rocks can fall though it"},
 549  {"Massive Wall:",                      "Nothing can go through it"},
 550  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 551  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 552  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 553  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 554  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 555  {"Emerald: You must collect enough of","them to finish a level"},
 556  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 557  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 558  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 559  {"Rock: Smashes several things;",      "Can be moved by the player"},
 560  {"Bomb: You can move it, but be",      "careful when dropping it"},
 561  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 562  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 563  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 564  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 565  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 566  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 567  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 568  {"Door: Can be opened by the key",     "with the same color"},
 569  {"Door: You have to find out the",     "right color of the key for it"},
 570  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 571  {"Dynamite: This one explodes after",  "a few seconds"},
 572  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 573  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 574  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 575  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 576  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 577  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 578  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 579  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 580  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 581  {"Cruncher (BD style):",               "Eats almost everything"},
 582  {"Robot: Tries to kill the player",    ""},
 583  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 584  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 585  {"The Pig: Harmless, but eats all",    "gems it can get"},
 586  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 587  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 588  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 589  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 590  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 591  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 592  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 593  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 594  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 595  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 596  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 597  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 598  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 599  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 600  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 601  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 602  {"Sokoban element: Object which must", "be pushed to an empty field"},
 603  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 604  {"Sokoban element: Field with object", "which can be pushed away"},
 605  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 606 };
 607 static int num_helpscreen_els = sizeof(helpscreen_eltext)/(2*sizeof(char *));
 608
 609 static char *helpscreen_music[][3] =
 610 {
 611   { "Alchemy",                  "Ian Boddy",            "Drive" },
 612   { "The Chase",                "Propaganda",           "A Secret Wish" },
 613   { "Network 23",               "Tangerine Dream",      "Exit" },
 614   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 615   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 616   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 617   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 618 };
 619 static int num_helpscreen_music = 7;
 620 static int helpscreen_musicpos;
 621
 622 void DrawHelpScreenElAction(int start)
 623 {
 624   int i = 0, j = 0;
 625   int frame, graphic;
 626   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 627
 628   while(helpscreen_action[j] != HA_END)
 629   {
 630     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 631       break;
 632     else if (i<start || helpscreen_delay[i-start])
 633     {
 634       if (i>=start && helpscreen_delay[i-start])
 635         helpscreen_delay[i-start]--;
 636
 637       while(helpscreen_action[j] != HA_NEXT)
 638         j++;
 639       j++;
 640       i++;
 641       continue;
 642     }
 643
 644     j += 3*helpscreen_step[i-start];
 645     graphic = helpscreen_action[j++];
 646
 647     if (helpscreen_frame[i-start])
 648     {
 649       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 650       helpscreen_frame[i-start]--;
 651     }
 652     else
 653     {
 654       frame = 0;
 655       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 656     }
 657
 658     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 659
 660     if (helpscreen_action[j] == HA_NEXT)
 661     {
 662       if (!helpscreen_frame[i-start])
 663         helpscreen_step[i-start] = 0;
 664     }
 665     else
 666     {
 667       if (!helpscreen_frame[i-start])
 668         helpscreen_step[i-start]++;
 669       while(helpscreen_action[j] != HA_NEXT)
 670         j++;
 671     }
 672     j++;
 673
 674     DrawGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 675     i++;
 676   }
 677
 678   for(i=2;i<16;i++)
 679   {
 680     MarkTileDirty(0,i);
 681     MarkTileDirty(1,i);
 682   }
 683 }
 684
 685 void DrawHelpScreenElText(int start)
 686 {
 687   int i;
 688   int xstart = SX + 56, ystart = SY + 65 + 2 * 32, ystep = TILEY + 4;
 689   int ybottom = SYSIZE - 20;
 690
 691   ClearWindow();
 692   DrawHeadline();
 693
 694   DrawTextFCentered(100, FC_GREEN, "The game elements:");
 695
 696   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
 697   {
 698     DrawText(xstart,
 699              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
 700              helpscreen_eltext[i][0], FS_SMALL, FC_YELLOW);
 701     DrawText(xstart, ystart + (i - start) * ystep + 16,
 702              helpscreen_eltext[i][1], FS_SMALL, FC_YELLOW);
 703   }
 704
 705   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 706 }
 707
 708 void DrawHelpScreenMusicText(int num)
 709 {
 710   int ystart = 150, ystep = 30;
 711   int ybottom = SYSIZE - 20;
 712
 713   FadeSounds();
 714   ClearWindow();
 715   DrawHeadline();
 716
 717   DrawTextFCentered(100, FC_GREEN, "The game background music loops:");
 718
 719   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 720                     "Excerpt from");
 721   DrawTextFCentered(ystart + 1 * ystep, FC_RED, "\"%s\"",
 722                     helpscreen_music[num][0]);
 723   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 724                     "by");
 725   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 726                     "%s", helpscreen_music[num][1]);
 727   DrawTextFCentered(ystart + 4 * ystep, FC_YELLOW,
 728                     "from the album");
 729   DrawTextFCentered(ystart + 5 * ystep, FC_RED, "\"%s\"",
 730                     helpscreen_music[num][2]);
 731
 732   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 733
 734 #if 0
 735   PlaySoundLoop(background_loop[num]);
 736 #endif
 737 }
 738
 739 void DrawHelpScreenCreditsText()
 740 {
 741   int ystart = 150, ystep = 30;
 742   int ybottom = SYSIZE - 20;
 743
 744   FadeSounds();
 745   ClearWindow();
 746   DrawHeadline();
 747
 748   DrawTextFCentered(100, FC_GREEN,
 749                     "Credits:");
 750   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 751                     "DOS port of the game:");
 752   DrawTextFCentered(ystart + 1 * ystep, FC_RED,
 753                     "Guido Schulz");
 754   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 755                     "Additional toons:");
 756   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 757                     "Karl Hörnell");
 758   DrawTextFCentered(ystart + 5 * ystep, FC_YELLOW,
 759                     "...and many thanks to all contributors");
 760   DrawTextFCentered(ystart + 6 * ystep, FC_YELLOW,
 761                     "of new levels!");
 762
 763   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 764 }
 765
 766 void DrawHelpScreenContactText()
 767 {
 768   int ystart = 150, ystep = 30;
 769   int ybottom = SYSIZE - 20;
 770
 771   ClearWindow();
 772   DrawHeadline();
 773
 774   DrawTextFCentered(100, FC_GREEN, "Program information:");
 775
 776   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 777                     "This game is Freeware!");
 778   DrawTextFCentered(ystart + 1 * ystep, FC_YELLOW,
 779                     "If you like it, send e-mail to:");
 780   DrawTextFCentered(ystart + 2 * ystep, FC_RED,
 781                     "info@artsoft.org");
 782   DrawTextFCentered(ystart + 3 * ystep, FC_YELLOW,
 783                     "or SnailMail to:");
 784   DrawTextFCentered(ystart + 4 * ystep + 0, FC_RED,
 785                     "Holger Schemel");
 786   DrawTextFCentered(ystart + 4 * ystep + 20, FC_RED,
 787                     "Detmolder Strasse 189");
 788   DrawTextFCentered(ystart + 4 * ystep + 40, FC_RED,
 789                     "33604 Bielefeld");
 790   DrawTextFCentered(ystart + 4 * ystep + 60, FC_RED,
 791                     "Germany");
 792
 793   DrawTextFCentered(ystart + 7 * ystep, FC_YELLOW,
 794                     "If you have created new levels,");
 795   DrawTextFCentered(ystart + 8 * ystep, FC_YELLOW,
 796                     "send them to me to include them!");
 797   DrawTextFCentered(ystart + 9 * ystep, FC_YELLOW,
 798                     ":-)");
 799
 800   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for main menu");
 801 }
 802
 803 void DrawHelpScreen()
 804 {
 805   int i;
 806
 807   UnmapAllGadgets();
 808   CloseDoor(DOOR_CLOSE_2);
 809
 810   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 811     helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 812   helpscreen_musicpos = 0;
 813   helpscreen_state = 0;
 814   DrawHelpScreenElText(0);
 815   DrawHelpScreenElAction(0);
 816
 817   FadeToFront();
 818   InitAnimation();
 819   PlaySoundLoop(SND_RHYTHMLOOP);
 820 }
 821
 822 void HandleHelpScreen(int button)
 823 {
 824   static unsigned long hs_delay = 0;
 825   int num_helpscreen_els_pages =
 826     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
 827   int button_released = !button;
 828   int i;
 829
 830   if (button_released)
 831   {
 832     if (helpscreen_state < num_helpscreen_els_pages - 1)
 833     {
 834       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 835         helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 836       helpscreen_state++;
 837       DrawHelpScreenElText(helpscreen_state*MAX_HELPSCREEN_ELS);
 838       DrawHelpScreenElAction(helpscreen_state*MAX_HELPSCREEN_ELS);
 839     }
 840     else if (helpscreen_state <
 841              num_helpscreen_els_pages + num_helpscreen_music - 1)
 842     {
 843       helpscreen_state++;
 844       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
 845     }
 846     else if (helpscreen_state ==
 847              num_helpscreen_els_pages + num_helpscreen_music - 1)
 848     {
 849       helpscreen_state++;
 850       DrawHelpScreenCreditsText();
 851     }
 852     else if (helpscreen_state ==
 853              num_helpscreen_els_pages + num_helpscreen_music)
 854     {
 855       helpscreen_state++;
 856       DrawHelpScreenContactText();
 857     }
 858     else
 859     {
 860       FadeSounds();
 861       DrawMainMenu();
 862       game_status = MAINMENU;
 863     }
 864   }
 865   else
 866   {
 867     if (DelayReached(&hs_delay,GAME_FRAME_DELAY * 2))
 868     {
 869       if (helpscreen_state<num_helpscreen_els_pages)
 870         DrawHelpScreenElAction(helpscreen_state*MAX_HELPSCREEN_ELS);
 871     }
 872     DoAnimation();
 873   }
 874
 875   BackToFront();
 876 }
 877
 878 void HandleTypeName(int newxpos, Key key)
 879 {
 880   static int xpos = 0, ypos = 2;
 881
 882   if (newxpos)
 883   {
 884     xpos = newxpos;
 885     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_YELLOW);
 886     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 887     return;
 888   }
 889
 890   if (((key >= KSYM_A && key <= KSYM_Z) ||
 891        (key >= KSYM_a && key <= KSYM_z)) &&
 892       xpos < MAX_PLAYER_NAME_LEN)
 893   {
 894     char ascii;
 895
 896     if (key >= KSYM_A && key <= KSYM_Z)
 897       ascii = 'A' + (char)(key - KSYM_A);
 898     else
 899       ascii = 'a' + (char)(key - KSYM_a);
 900
 901     setup.player_name[xpos] = ascii;
 902     setup.player_name[xpos + 1] = 0;
 903     xpos++;
 904     DrawTextExt(drawto, SX + 6*32, SY + ypos*32,
 905                 setup.player_name, FS_BIG, FC_YELLOW);
 906     DrawTextExt(window, SX + 6*32, SY + ypos*32,
 907                 setup.player_name, FS_BIG, FC_YELLOW);
 908     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 909   }
 910   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
 911   {
 912     xpos--;
 913     setup.player_name[xpos] = 0;
 914     DrawGraphic(xpos + 6, ypos, GFX_KUGEL_ROT);
 915     DrawGraphic(xpos + 7, ypos, GFX_LEERRAUM);
 916   }
 917   else if (key == KSYM_Return && xpos > 0)
 918   {
 919     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_RED);
 920     DrawGraphic(xpos + 6, ypos, GFX_LEERRAUM);
 921
 922     SaveSetup();
 923     game_status = MAINMENU;
 924   }
 925
 926   BackToFront();
 927 }
 928
 929 static void DrawChooseTree(TreeInfo **ti_ptr)
 930 {
 931   UnmapAllGadgets();
 932   CloseDoor(DOOR_CLOSE_2);
 933
 934   ClearWindow();
 935   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
 936   MapChooseTreeGadgets(*ti_ptr);
 937
 938   FadeToFront();
 939   InitAnimation();
 940 }
 941
 942 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
 943 {
 944   struct GadgetInfo *gi = screen_gadget[id];
 945   int items_max, items_visible, item_position;
 946
 947   items_max = numTreeInfoInGroup(ti);
 948   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 949   item_position = first_entry;
 950
 951   if (item_position > items_max - items_visible)
 952     item_position = items_max - items_visible;
 953
 954   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
 955                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
 956 }
 957
 958 static void drawChooseTreeList(int first_entry, int num_page_entries,
 959                                TreeInfo *ti)
 960 {
 961   int i;
 962   char buffer[SCR_FIELDX * 2];
 963   int max_buffer_len = (SCR_FIELDX - 2) * 2;
 964   int num_entries = numTreeInfoInGroup(ti);
 965   char *title_string = NULL;
 966   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
 967
 968   ClearRectangle(backbuffer, SX, SY, SXSIZE - 32, SYSIZE);
 969   redraw_mask |= REDRAW_FIELD;
 970
 971   title_string =
 972     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
 973      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
 974      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
 975      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
 976
 977   DrawText(SX + offset, SY + offset, title_string, FS_BIG,
 978            (ti->type == TREE_TYPE_LEVEL_DIR ? FC_GREEN : FC_YELLOW));
 979
 980   for(i=0; i<num_page_entries; i++)
 981   {
 982     TreeInfo *node, *node_first;
 983     int entry_pos = first_entry + i;
 984     int ypos = MENU_SCREEN_START_YPOS + i;
 985
 986     node_first = getTreeInfoFirstGroupEntry(ti);
 987     node = getTreeInfoFromPos(node_first, entry_pos);
 988
 989     strncpy(buffer, node->name , max_buffer_len);
 990     buffer[max_buffer_len] = '\0';
 991
 992     DrawText(SX + 32, SY + ypos * 32, buffer, FS_MEDIUM, node->color);
 993
 994     if (node->parent_link)
 995       initCursor(i, GFX_ARROW_BLUE_LEFT);
 996     else if (node->level_group)
 997       initCursor(i, GFX_ARROW_BLUE_RIGHT);
 998     else
 999       initCursor(i, GFX_KUGEL_BLAU);
1000   }
1001
1002   if (first_entry > 0)
1003     DrawGraphic(0, 1, GFX_ARROW_BLUE_UP);
1004
1005   if (first_entry + num_page_entries < num_entries)
1006     DrawGraphic(0, MAX_MENU_ENTRIES_ON_SCREEN + 1, GFX_ARROW_BLUE_DOWN);
1007 }
1008
1009 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1010 {
1011   TreeInfo *node, *node_first;
1012   int x, last_redraw_mask = redraw_mask;
1013
1014   if (ti->type != TREE_TYPE_LEVEL_DIR)
1015     return;
1016
1017   node_first = getTreeInfoFirstGroupEntry(ti);
1018   node = getTreeInfoFromPos(node_first, entry_pos);
1019
1020   ClearRectangle(drawto, SX + 32, SY + 32, SXSIZE - 64, 32);
1021
1022   if (node->parent_link)
1023     DrawTextFCentered(40, FC_RED, "leave group \"%s\"", node->class_desc);
1024   else if (node->level_group)
1025     DrawTextFCentered(40, FC_RED, "enter group \"%s\"", node->class_desc);
1026   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1027     DrawTextFCentered(40, FC_RED, "%3d levels (%s)",
1028                       node->levels, node->class_desc);
1029
1030   /* let BackToFront() redraw only what is needed */
1031   redraw_mask = last_redraw_mask | REDRAW_TILES;
1032   for (x=0; x<SCR_FIELDX; x++)
1033     MarkTileDirty(x, 1);
1034 }
1035
1036 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1037                              TreeInfo **ti_ptr)
1038 {
1039   static unsigned long choose_delay = 0;
1040   TreeInfo *ti = *ti_ptr;
1041   int x = 0;
1042   int y = ti->cl_cursor;
1043   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1044   int num_entries = numTreeInfoInGroup(ti);
1045   int num_page_entries;
1046
1047   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1048     num_page_entries = num_entries;
1049   else
1050     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1051
1052   if (button == MB_MENU_INITIALIZE)
1053   {
1054     int entry_pos = posTreeInfo(ti);
1055
1056     if (ti->cl_first == -1)
1057     {
1058       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1059       ti->cl_cursor =
1060         entry_pos - ti->cl_first;
1061     }
1062
1063     if (dx == 999)      /* first entry is set by scrollbar position */
1064       ti->cl_first = dy;
1065     else
1066       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1067                                 ti->cl_first, ti);
1068
1069     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1070     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1071     drawCursor(ti->cl_cursor, FC_RED);
1072     return;
1073   }
1074   else if (button == MB_MENU_LEAVE)
1075   {
1076     if (ti->node_parent)
1077     {
1078       *ti_ptr = ti->node_parent;
1079       DrawChooseTree(ti_ptr);
1080     }
1081     else if (game_status == SETUP)
1082     {
1083       execExitSetupChooseArtwork();
1084     }
1085     else
1086     {
1087       game_status = MAINMENU;
1088       DrawMainMenu();
1089     }
1090
1091     return;
1092   }
1093
1094   if (mx || my)         /* mouse input */
1095   {
1096     x = (mx - SX) / 32;
1097     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1098   }
1099   else if (dx || dy)    /* keyboard input */
1100   {
1101     if (dy)
1102       y = ti->cl_cursor + dy;
1103
1104     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1105     {
1106       dy = SIGN(dy);
1107       step = num_page_entries - 1;
1108       y = (dy < 0 ? -1 : num_page_entries);
1109     }
1110   }
1111
1112   if (x == 0 && y == -1)
1113   {
1114     if (ti->cl_first > 0 &&
1115         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1116     {
1117       ti->cl_first -= step;
1118       if (ti->cl_first < 0)
1119         ti->cl_first = 0;
1120
1121       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1122       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1123       drawCursor(ti->cl_cursor, FC_RED);
1124       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1125                                 ti->cl_first, ti);
1126       return;
1127     }
1128   }
1129   else if (x == 0 && y > num_page_entries - 1)
1130   {
1131     if (ti->cl_first + num_page_entries < num_entries &&
1132         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1133     {
1134       ti->cl_first += step;
1135       if (ti->cl_first + num_page_entries > num_entries)
1136         ti->cl_first = MAX(0, num_entries - num_page_entries);
1137
1138       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1139       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1140       drawCursor(ti->cl_cursor, FC_RED);
1141       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1142                                 ti->cl_first, ti);
1143       return;
1144     }
1145   }
1146
1147   if (dx == 1)
1148   {
1149     TreeInfo *node_first, *node_cursor;
1150     int entry_pos = ti->cl_first + y;
1151
1152     node_first = getTreeInfoFirstGroupEntry(ti);
1153     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1154
1155     if (node_cursor->node_group)
1156     {
1157       node_cursor->cl_first = ti->cl_first;
1158       node_cursor->cl_cursor = ti->cl_cursor;
1159       *ti_ptr = node_cursor->node_group;
1160       DrawChooseTree(ti_ptr);
1161       return;
1162     }
1163   }
1164   else if (dx == -1 && ti->node_parent)
1165   {
1166     *ti_ptr = ti->node_parent;
1167     DrawChooseTree(ti_ptr);
1168     return;
1169   }
1170
1171   if (x == 0 && y >= 0 && y < num_page_entries)
1172   {
1173     if (button)
1174     {
1175       if (y != ti->cl_cursor)
1176       {
1177         drawCursor(y, FC_RED);
1178         drawCursor(ti->cl_cursor, FC_BLUE);
1179         drawChooseTreeInfo(ti->cl_first + y, ti);
1180         ti->cl_cursor = y;
1181       }
1182     }
1183     else
1184     {
1185       TreeInfo *node_first, *node_cursor;
1186       int entry_pos = ti->cl_first + y;
1187
1188       node_first = getTreeInfoFirstGroupEntry(ti);
1189       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1190
1191       if (node_cursor->node_group)
1192       {
1193         node_cursor->cl_first = ti->cl_first;
1194         node_cursor->cl_cursor = ti->cl_cursor;
1195         *ti_ptr = node_cursor->node_group;
1196         DrawChooseTree(ti_ptr);
1197       }
1198       else if (node_cursor->parent_link)
1199       {
1200         *ti_ptr = node_cursor->node_parent;
1201         DrawChooseTree(ti_ptr);
1202       }
1203       else
1204       {
1205         node_cursor->cl_first = ti->cl_first;
1206         node_cursor->cl_cursor = ti->cl_cursor;
1207         *ti_ptr = node_cursor;
1208
1209         if (ti->type == TREE_TYPE_LEVEL_DIR)
1210         {
1211           LoadLevelSetup_SeriesInfo();
1212
1213           SaveLevelSetup_LastSeries();
1214           SaveLevelSetup_SeriesInfo();
1215           TapeErase();
1216         }
1217
1218         if (game_status == SETUP)
1219         {
1220           execExitSetupChooseArtwork();
1221         }
1222         else
1223         {
1224           game_status = MAINMENU;
1225           DrawMainMenu();
1226         }
1227       }
1228     }
1229   }
1230
1231   BackToFront();
1232
1233   if (game_status == CHOOSELEVEL || game_status == SETUP)
1234     DoAnimation();
1235 }
1236
1237 void DrawChooseLevel()
1238 {
1239   DrawChooseTree(&leveldir_current);
1240 }
1241
1242 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1243 {
1244   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1245 }
1246
1247 void DrawHallOfFame(int highlight_position)
1248 {
1249   UnmapAllGadgets();
1250   FadeSounds();
1251   CloseDoor(DOOR_CLOSE_2);
1252
1253   if (highlight_position < 0)
1254     LoadScore(level_nr);
1255
1256   FadeToFront();
1257   InitAnimation();
1258   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1259   PlaySound(SND_HALLOFFAME);
1260 }
1261
1262 static void drawHallOfFameList(int first_entry, int highlight_position)
1263 {
1264   int i;
1265
1266   ClearWindow();
1267   DrawText(SX + 80, SY + 8, "Hall Of Fame", FS_BIG, FC_YELLOW);
1268   DrawTextFCentered(46, FC_RED, "HighScores of Level %d", level_nr);
1269
1270   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1271   {
1272     int entry = first_entry + i;
1273     int color = (entry == highlight_position ? FC_RED : FC_GREEN);
1274
1275 #if 0
1276     DrawText(SX, SY + 64 + i * 32, ".................", FS_BIG, color);
1277     DrawText(SX, SY + 64 + i * 32, highscore[i].Name, FS_BIG, color);
1278     DrawText(SX + 12 * 32, SY + 64 + i * 32,
1279              int2str(highscore[i].Score, 5), FS_BIG, color);
1280 #else
1281     DrawText(SX, SY + 64 + i * 32, "..................................",
1282              FS_MEDIUM, FC_YELLOW);
1283     DrawText(SX, SY + 64 + i * 32, int2str(entry + 1, 3),
1284              FS_MEDIUM, FC_YELLOW);
1285     DrawText(SX + 64, SY + 64 + i * 32, highscore[entry].Name, FS_BIG, color);
1286     DrawText(SX + 14 * 32 + 16, SY + 64 + i * 32,
1287              int2str(highscore[entry].Score, 5), FS_MEDIUM, color);
1288 #endif
1289   }
1290 }
1291
1292 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1293 {
1294   static int first_entry = 0;
1295   static int highlight_position = 0;
1296   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1297   int button_released = !button;
1298
1299   if (button == MB_MENU_INITIALIZE)
1300   {
1301     first_entry = 0;
1302     highlight_position = mx;
1303     drawHallOfFameList(first_entry, highlight_position);
1304     return;
1305   }
1306
1307   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1308     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1309
1310   if (dy < 0)
1311   {
1312     if (first_entry > 0)
1313     {
1314       first_entry -= step;
1315       if (first_entry < 0)
1316         first_entry = 0;
1317
1318       drawHallOfFameList(first_entry, highlight_position);
1319       return;
1320     }
1321   }
1322   else if (dy > 0)
1323   {
1324     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1325     {
1326       first_entry += step;
1327       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1328         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1329
1330       drawHallOfFameList(first_entry, highlight_position);
1331       return;
1332     }
1333   }
1334
1335   if (button_released)
1336   {
1337     FadeSound(SND_HALLOFFAME);
1338     game_status = MAINMENU;
1339     DrawMainMenu();
1340   }
1341
1342   BackToFront();
1343
1344   if (game_status == HALLOFFAME)
1345     DoAnimation();
1346 }
1347
1348
1349 /* ========================================================================= */
1350 /* setup screen functions                                                    */
1351 /* ========================================================================= */
1352
1353 static struct TokenInfo *setup_info;
1354 static int num_setup_info;
1355
1356 static void execSetupMain()
1357 {
1358   setup_mode = SETUP_MODE_MAIN;
1359   DrawSetupScreen();
1360 }
1361
1362 static void execSetupGraphics()
1363 {
1364   setup.graphics_set = artwork.gfx_current->name;
1365
1366   setup_mode = SETUP_MODE_GRAPHICS;
1367   DrawSetupScreen();
1368 }
1369
1370 static void execSetupSound()
1371 {
1372   setup.sounds_set = artwork.snd_current->name;
1373   setup.music_set = artwork.mus_current->name;
1374
1375   setup_mode = SETUP_MODE_SOUND;
1376   DrawSetupScreen();
1377 }
1378
1379 static void execSetupChooseGraphics()
1380 {
1381   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1382   DrawSetupScreen();
1383 }
1384
1385 static void execSetupChooseSounds()
1386 {
1387   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1388   DrawSetupScreen();
1389 }
1390
1391 static void execSetupChooseMusic()
1392 {
1393   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1394   DrawSetupScreen();
1395 }
1396
1397 static void execSetupInput()
1398 {
1399   setup_mode = SETUP_MODE_INPUT;
1400   DrawSetupScreen();
1401 }
1402
1403 static void execSetupShortcut()
1404 {
1405   setup_mode = SETUP_MODE_SHORTCUT;
1406   DrawSetupScreen();
1407 }
1408
1409 static void execExitSetupChooseArtwork()
1410 {
1411   if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
1412     execSetupGraphics();
1413   else
1414     execSetupSound();
1415 }
1416
1417 static void execExitSetup()
1418 {
1419   game_status = MAINMENU;
1420   DrawMainMenu();
1421 }
1422
1423 static void execSaveAndExitSetup()
1424 {
1425   SaveSetup();
1426   execExitSetup();
1427 }
1428
1429 static struct TokenInfo setup_info_main[] =
1430 {
1431   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics Setup"        },
1432   { TYPE_ENTER_MENU,    execSetupSound,         "Sound Setup"           },
1433   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1434   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1435   { TYPE_EMPTY,         NULL,                   ""                      },
1436 #if 0
1437   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1438   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1439 #endif
1440   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1441   { TYPE_SWITCH,        &setup.ask_on_escape,   "Ask on Esc:"           },
1442   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1443   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1444   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1445   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1446   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1447   { TYPE_EMPTY,         NULL,                   ""                      },
1448   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1449   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and exit"         },
1450   { 0,                  NULL,                   NULL                    }
1451 };
1452
1453 static struct TokenInfo setup_info_graphics[] =
1454 {
1455   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1456   { TYPE_STRING,        &setup.graphics_set,    ""                      },
1457   { TYPE_EMPTY,         NULL,                   ""                      },
1458   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1459   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1460   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1461   { TYPE_EMPTY,         NULL,                   ""                      },
1462   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1463   { 0,                  NULL,                   NULL                    }
1464 };
1465
1466 static struct TokenInfo setup_info_sound[] =
1467 {
1468   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1469   { TYPE_EMPTY,         NULL,                   ""                      },
1470   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1471   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1472   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1473   { TYPE_EMPTY,         NULL,                   ""                      },
1474   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1475   { TYPE_STRING,        &setup.sounds_set,      ""                      },
1476   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1477   { TYPE_STRING,        &setup.music_set,       ""                      },
1478   { TYPE_EMPTY,         NULL,                   ""                      },
1479   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1480   { 0,                  NULL,                   NULL                    }
1481 };
1482
1483 static struct TokenInfo setup_info_shortcut[] =
1484 {
1485   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1486   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1487   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1488   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1489   { TYPE_EMPTY,         NULL,                   ""                      },
1490   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1491   { 0,                  NULL,                   NULL                    }
1492 };
1493
1494 static Key getSetupKey()
1495 {
1496   Key key = KSYM_UNDEFINED;
1497   boolean got_key_event = FALSE;
1498
1499   while (!got_key_event)
1500   {
1501     if (PendingEvent())         /* got event */
1502     {
1503       Event event;
1504
1505       NextEvent(&event);
1506
1507       switch(event.type)
1508       {
1509         case EVENT_KEYPRESS:
1510           {
1511             key = GetEventKey((KeyEvent *)&event, TRUE);
1512
1513             /* press 'Escape' or 'Enter' to keep the existing key binding */
1514             if (key == KSYM_Escape || key == KSYM_Return)
1515               key = KSYM_UNDEFINED;     /* keep old value */
1516
1517             got_key_event = TRUE;
1518           }
1519           break;
1520
1521         case EVENT_KEYRELEASE:
1522           key_joystick_mapping = 0;
1523           break;
1524
1525         default:
1526           HandleOtherEvents(&event);
1527           break;
1528       }
1529     }
1530
1531     BackToFront();
1532     DoAnimation();
1533
1534     /* don't eat all CPU time */
1535     Delay(10);
1536   }
1537
1538   return key;
1539 }
1540
1541 static void drawSetupValue(int pos)
1542 {
1543   int xpos = MENU_SCREEN_VALUE_XPOS;
1544   int ypos = MENU_SCREEN_START_YPOS + pos;
1545   int font_size = FS_BIG;
1546   int font_color = FC_YELLOW;
1547   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1548                                      setup_info[pos].value);
1549
1550   if (setup_info[pos].type & TYPE_KEY)
1551   {
1552     xpos = 3;
1553
1554     if (setup_info[pos].type & TYPE_QUERY)
1555     {
1556       value_string = "<press key>";
1557       font_color = FC_RED;
1558     }
1559   }
1560   else if (setup_info[pos].type & TYPE_STRING)
1561   {
1562     int max_value_len = (SCR_FIELDX - 2) * 2;
1563
1564     xpos = 1;
1565     font_size = FS_MEDIUM;
1566
1567     if (strlen(value_string) > max_value_len)
1568       value_string[max_value_len] = '\0';
1569   }
1570   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
1571            !*(boolean *)(setup_info[pos].value))
1572     font_color = FC_BLUE;
1573
1574   DrawText(SX + xpos * 32, SY + ypos * 32,
1575            (xpos == 3 ? "              " : "   "), FS_BIG, FC_YELLOW);
1576   DrawText(SX + xpos * 32, SY + ypos * 32, value_string, font_size,font_color);
1577 }
1578
1579 static void changeSetupValue(int pos)
1580 {
1581   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1582   {
1583     *(boolean *)setup_info[pos].value ^= TRUE;
1584   }
1585   else if (setup_info[pos].type & TYPE_KEY)
1586   {
1587     Key key;
1588
1589     setup_info[pos].type |= TYPE_QUERY;
1590     drawSetupValue(pos);
1591     setup_info[pos].type &= ~TYPE_QUERY;
1592
1593     key = getSetupKey();
1594     if (key != KSYM_UNDEFINED)
1595       *(Key *)setup_info[pos].value = key;
1596   }
1597
1598   drawSetupValue(pos);
1599 }
1600
1601 static void DrawSetupScreen_Generic()
1602 {
1603   char *title_string = NULL;
1604   int i;
1605
1606   UnmapAllGadgets();
1607   CloseDoor(DOOR_CLOSE_2);
1608   ClearWindow();
1609
1610   if (setup_mode == SETUP_MODE_MAIN)
1611   {
1612     setup_info = setup_info_main;
1613     title_string = "Setup";
1614   }
1615   else if (setup_mode == SETUP_MODE_GRAPHICS)
1616   {
1617     setup_info = setup_info_graphics;
1618     title_string = "Setup Graphics";
1619   }
1620   else if (setup_mode == SETUP_MODE_SOUND)
1621   {
1622     setup_info = setup_info_sound;
1623     title_string = "Setup Sound";
1624   }
1625   else if (setup_mode == SETUP_MODE_SHORTCUT)
1626   {
1627     setup_info = setup_info_shortcut;
1628     title_string = "Setup Shortcuts";
1629   }
1630
1631   DrawText(SX + 16, SY + 16, title_string, FS_BIG, FC_YELLOW);
1632
1633   num_setup_info = 0;
1634   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1635   {
1636     void *value_ptr = setup_info[i].value;
1637     int ypos = MENU_SCREEN_START_YPOS + i;
1638     int font_size = FS_BIG;
1639
1640     /* set some entries to "unchangeable" according to other variables */
1641     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
1642         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
1643         (value_ptr == &setup.sound_music && !audio.music_available) ||
1644         (value_ptr == &setup.sound_music && !audio.music_available) ||
1645         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
1646       setup_info[i].type |= TYPE_GHOSTED;
1647
1648     if (setup_info[i].type & TYPE_ENTER_OR_LEAVE_MENU)
1649       font_size = FS_BIG;
1650
1651     DrawText(SX + 32, SY + ypos * 32, setup_info[i].text, font_size, FC_GREEN);
1652
1653     if (setup_info[i].type & TYPE_ENTER_MENU)
1654       initCursor(i, GFX_ARROW_BLUE_RIGHT);
1655     else if (setup_info[i].type & TYPE_LEAVE_MENU)
1656       initCursor(i, GFX_ARROW_BLUE_LEFT);
1657     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
1658       initCursor(i, GFX_KUGEL_BLAU);
1659
1660     if (setup_info[i].type & TYPE_VALUE)
1661       drawSetupValue(i);
1662
1663     num_setup_info++;
1664   }
1665
1666   FadeToFront();
1667   InitAnimation();
1668   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
1669 }
1670
1671 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
1672 {
1673   static int choice_store[MAX_SETUP_MODES];
1674   int choice = choice_store[setup_mode];
1675   int x = 0;
1676   int y = choice;
1677
1678   if (button == MB_MENU_INITIALIZE)
1679   {
1680     drawCursor(choice, FC_RED);
1681     return;
1682   }
1683   else if (button == MB_MENU_LEAVE)
1684   {
1685     for (y=0; y<num_setup_info; y++)
1686     {
1687       if (setup_info[y].type & TYPE_LEAVE_MENU)
1688       {
1689         void (*menu_callback_function)(void) = setup_info[y].value;
1690
1691         menu_callback_function();
1692         break;  /* absolutely needed because function changes 'setup_info'! */
1693       }
1694     }
1695
1696     return;
1697   }
1698
1699   if (mx || my)         /* mouse input */
1700   {
1701     x = (mx - SX) / 32;
1702     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1703   }
1704   else if (dx || dy)    /* keyboard input */
1705   {
1706     if (dx)
1707     {
1708       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
1709
1710       if ((setup_info[choice].type & menu_navigation_type) ||
1711           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
1712         button = MB_MENU_CHOICE;
1713     }
1714     else if (dy)
1715       y = choice + dy;
1716
1717     /* jump to next non-empty menu entry (up or down) */
1718     while (y > 0 && y < num_setup_info - 1 &&
1719            (setup_info[y].type & TYPE_SKIP_ENTRY))
1720       y += dy;
1721   }
1722
1723   if (x == 0 && y >= 0 && y < num_setup_info &&
1724       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
1725   {
1726     if (button)
1727     {
1728       if (y != choice)
1729       {
1730         drawCursor(y, FC_RED);
1731         drawCursor(choice, FC_BLUE);
1732         choice = choice_store[setup_mode] = y;
1733       }
1734     }
1735     else if (!(setup_info[y].type & TYPE_GHOSTED))
1736     {
1737 #if 0
1738       if (setup_info[y].type & TYPE_BOOLEAN_STYLE)
1739       {
1740         boolean new_value = !*(boolean *)(setup_info[y].value);
1741
1742         *(boolean *)setup_info[y].value = new_value;
1743         drawSetupValue(y);
1744       }
1745       else if (setup_info[y].type == TYPE_KEYTEXT &&
1746                setup_info[y + 1].type == TYPE_KEY)
1747       {
1748         changeSetupValue(y + 1);
1749       }
1750       else if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1751       {
1752         void (*menu_callback_function)(void) = setup_info[choice].value;
1753
1754         menu_callback_function();
1755       }
1756 #else
1757       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1758       {
1759         void (*menu_callback_function)(void) = setup_info[choice].value;
1760
1761         menu_callback_function();
1762       }
1763       else
1764       {
1765         if ((setup_info[y].type & TYPE_KEYTEXT) &&
1766             (setup_info[y + 1].type & TYPE_KEY))
1767           y++;
1768
1769         if (setup_info[y].type & TYPE_VALUE)
1770           changeSetupValue(y);
1771       }
1772 #endif
1773     }
1774   }
1775
1776   BackToFront();
1777
1778   if (game_status == SETUP)
1779     DoAnimation();
1780 }
1781
1782 void DrawSetupScreen_Input()
1783 {
1784   ClearWindow();
1785   DrawText(SX+16, SY+16, "Setup Input", FS_BIG, FC_YELLOW);
1786
1787   initCursor(0, GFX_KUGEL_BLAU);
1788   initCursor(1, GFX_KUGEL_BLAU);
1789   initCursor(2, GFX_ARROW_BLUE_RIGHT);
1790   initCursor(13, GFX_ARROW_BLUE_LEFT);
1791
1792   DrawGraphic(10, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_LEFT);
1793   DrawGraphic(12, MENU_SCREEN_START_YPOS, GFX_ARROW_BLUE_RIGHT);
1794
1795   DrawText(SX+32, SY+2*32, "Player:", FS_BIG, FC_GREEN);
1796   DrawText(SX+32, SY+3*32, "Device:", FS_BIG, FC_GREEN);
1797   DrawText(SX+32, SY+15*32, "Exit", FS_BIG, FC_GREEN);
1798
1799 #if 0
1800   DeactivateJoystickForCalibration();
1801   DrawTextFCentered(SYSIZE - 20, FC_BLUE,
1802                     "Joysticks deactivated on this screen");
1803 #endif
1804
1805   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
1806   FadeToFront();
1807   InitAnimation();
1808 }
1809
1810 static void setJoystickDeviceToNr(char *device_name, int device_nr)
1811 {
1812   if (device_name == NULL)
1813     return;
1814
1815   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
1816     device_nr = 0;
1817
1818   if (strlen(device_name) > 1)
1819   {
1820     char c1 = device_name[strlen(device_name) - 1];
1821     char c2 = device_name[strlen(device_name) - 2];
1822
1823     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
1824       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
1825   }
1826   else
1827     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
1828             strlen(device_name));
1829 }
1830
1831 static void drawPlayerSetupInputInfo(int player_nr)
1832 {
1833   int i;
1834   static struct SetupKeyboardInfo custom_key;
1835   static struct
1836   {
1837     Key *key;
1838     char *text;
1839   } custom[] =
1840   {
1841     { &custom_key.left,  "Joystick Left"  },
1842     { &custom_key.right, "Joystick Right" },
1843     { &custom_key.up,    "Joystick Up"    },
1844     { &custom_key.down,  "Joystick Down"  },
1845     { &custom_key.snap,  "Button 1"       },
1846     { &custom_key.bomb,  "Button 2"       }
1847   };
1848   static char *joystick_name[MAX_PLAYERS] =
1849   {
1850     "Joystick1",
1851     "Joystick2",
1852     "Joystick3",
1853     "Joystick4"
1854   };
1855
1856   custom_key = setup.input[player_nr].key;
1857
1858   DrawText(SX+11*32, SY+2*32, int2str(player_nr + 1, 1), FS_BIG, FC_RED);
1859   DrawGraphic(8, 2, GFX_SPIELER1 + player_nr);
1860
1861   if (setup.input[player_nr].use_joystick)
1862   {
1863     char *device_name = setup.input[player_nr].joy.device_name;
1864
1865     DrawText(SX+8*32, SY+3*32,
1866              joystick_name[getJoystickNrFromDeviceName(device_name)],
1867              FS_BIG, FC_YELLOW);
1868     DrawText(SX+32, SY+4*32, "Calibrate", FS_BIG, FC_GREEN);
1869   }
1870   else
1871   {
1872     DrawText(SX+8*32, SY+3*32, "Keyboard ", FS_BIG, FC_YELLOW);
1873     DrawText(SX+32, SY+4*32, "Customize", FS_BIG, FC_GREEN);
1874   }
1875
1876   DrawText(SX+32, SY+5*32, "Actual Settings:", FS_BIG, FC_GREEN);
1877   DrawGraphic(1, 6, GFX_ARROW_BLUE_LEFT);
1878   DrawGraphic(1, 7, GFX_ARROW_BLUE_RIGHT);
1879   DrawGraphic(1, 8, GFX_ARROW_BLUE_UP);
1880   DrawGraphic(1, 9, GFX_ARROW_BLUE_DOWN);
1881   DrawText(SX+2*32, SY+6*32, ":", FS_BIG, FC_BLUE);
1882   DrawText(SX+2*32, SY+7*32, ":", FS_BIG, FC_BLUE);
1883   DrawText(SX+2*32, SY+8*32, ":", FS_BIG, FC_BLUE);
1884   DrawText(SX+2*32, SY+9*32, ":", FS_BIG, FC_BLUE);
1885   DrawText(SX+32, SY+10*32, "Snap Field:", FS_BIG, FC_BLUE);
1886   DrawText(SX+32, SY+12*32, "Place Bomb:", FS_BIG, FC_BLUE);
1887
1888   for (i=0; i<6; i++)
1889   {
1890     int ypos = 6 + i + (i > 3 ? i-3 : 0);
1891
1892     DrawText(SX + 3*32, SY + ypos*32,
1893              "              ", FS_BIG, FC_YELLOW);
1894     DrawText(SX + 3*32, SY + ypos*32,
1895              (setup.input[player_nr].use_joystick ?
1896               custom[i].text :
1897               getKeyNameFromKey(*custom[i].key)),
1898              FS_BIG, FC_YELLOW);
1899   }
1900 }
1901
1902 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
1903 {
1904   static int choice = 0;
1905   static int player_nr = 0;
1906   int x = 0;
1907   int y = choice;
1908   int pos_start  = SETUPINPUT_SCREEN_POS_START;
1909   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
1910   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
1911   int pos_end    = SETUPINPUT_SCREEN_POS_END;
1912
1913   if (button == MB_MENU_INITIALIZE)
1914   {
1915     drawPlayerSetupInputInfo(player_nr);
1916     drawCursor(choice, FC_RED);
1917     return;
1918   }
1919   else if (button == MB_MENU_LEAVE)
1920   {
1921     setup_mode = SETUP_MODE_MAIN;
1922     DrawSetupScreen();
1923     InitJoysticks();
1924   }
1925
1926   if (mx || my)         /* mouse input */
1927   {
1928     x = (mx - SX) / 32;
1929     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1930   }
1931   else if (dx || dy)    /* keyboard input */
1932   {
1933     if (dx && choice == 0)
1934       x = (dx < 0 ? 10 : 12);
1935     else if ((dx && choice == 1) ||
1936              (dx == +1 && choice == 2) ||
1937              (dx == -1 && choice == pos_end))
1938       button = MB_MENU_CHOICE;
1939     else if (dy)
1940       y = choice + dy;
1941
1942     if (y >= pos_empty1 && y <= pos_empty2)
1943       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
1944   }
1945
1946   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
1947   {
1948     static unsigned long delay = 0;
1949
1950     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
1951       goto out;
1952
1953     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
1954
1955     drawPlayerSetupInputInfo(player_nr);
1956   }
1957   else if (x == 0 && y >= pos_start && y <= pos_end &&
1958            !(y >= pos_empty1 && y <= pos_empty2))
1959   {
1960     if (button)
1961     {
1962       if (y != choice)
1963       {
1964         drawCursor(y, FC_RED);
1965         drawCursor(choice, FC_BLUE);
1966         choice = y;
1967       }
1968     }
1969     else
1970     {
1971       if (y == 1)
1972       {
1973         char *device_name = setup.input[player_nr].joy.device_name;
1974
1975         if (!setup.input[player_nr].use_joystick)
1976         {
1977           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
1978
1979           setJoystickDeviceToNr(device_name, new_device_nr);
1980           setup.input[player_nr].use_joystick = TRUE;
1981         }
1982         else
1983         {
1984           int device_nr = getJoystickNrFromDeviceName(device_name);
1985           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
1986
1987           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
1988             setup.input[player_nr].use_joystick = FALSE;
1989           else
1990             setJoystickDeviceToNr(device_name, new_device_nr);
1991         }
1992
1993         drawPlayerSetupInputInfo(player_nr);
1994       }
1995       else if (y == 2)
1996       {
1997         if (setup.input[player_nr].use_joystick)
1998         {
1999           InitJoysticks();
2000           CalibrateJoystick(player_nr);
2001         }
2002         else
2003           CustomizeKeyboard(player_nr);
2004       }
2005       else if (y == pos_end)
2006       {
2007         InitJoysticks();
2008
2009         setup_mode = SETUP_MODE_MAIN;
2010         DrawSetupScreen();
2011       }
2012     }
2013   }
2014
2015   BackToFront();
2016
2017   out:
2018
2019   if (game_status == SETUP)
2020     DoAnimation();
2021 }
2022
2023 void CustomizeKeyboard(int player_nr)
2024 {
2025   int i;
2026   int step_nr;
2027   boolean finished = FALSE;
2028   static struct SetupKeyboardInfo custom_key;
2029   static struct
2030   {
2031     Key *key;
2032     char *text;
2033   } customize_step[] =
2034   {
2035     { &custom_key.left,  "Move Left"  },
2036     { &custom_key.right, "Move Right" },
2037     { &custom_key.up,    "Move Up"    },
2038     { &custom_key.down,  "Move Down"  },
2039     { &custom_key.snap,  "Snap Field" },
2040     { &custom_key.bomb,  "Place Bomb" }
2041   };
2042
2043   /* read existing key bindings from player setup */
2044   custom_key = setup.input[player_nr].key;
2045
2046   ClearWindow();
2047   DrawText(SX + 16, SY + 16, "Keyboard Input", FS_BIG, FC_YELLOW);
2048
2049   BackToFront();
2050   InitAnimation();
2051
2052   step_nr = 0;
2053   DrawText(SX, SY + (2+2*step_nr)*32,
2054            customize_step[step_nr].text, FS_BIG, FC_RED);
2055   DrawText(SX, SY + (2+2*step_nr+1)*32,
2056            "Key:", FS_BIG, FC_RED);
2057   DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2058            getKeyNameFromKey(*customize_step[step_nr].key),
2059            FS_BIG, FC_BLUE);
2060
2061   while(!finished)
2062   {
2063     if (PendingEvent())         /* got event */
2064     {
2065       Event event;
2066
2067       NextEvent(&event);
2068
2069       switch(event.type)
2070       {
2071         case EVENT_KEYPRESS:
2072           {
2073             Key key = GetEventKey((KeyEvent *)&event, TRUE);
2074
2075             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2076             {
2077               finished = TRUE;
2078               break;
2079             }
2080
2081             /* all keys configured -- wait for "Escape" or "Return" key */
2082             if (step_nr == 6)
2083               break;
2084
2085             /* press 'Enter' to keep the existing key binding */
2086             if (key == KSYM_Return)
2087               key = *customize_step[step_nr].key;
2088
2089             /* check if key already used */
2090             for (i=0; i<step_nr; i++)
2091               if (*customize_step[i].key == key)
2092                 break;
2093             if (i < step_nr)
2094               break;
2095
2096             /* got new key binding */
2097             *customize_step[step_nr].key = key;
2098             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2099                      "             ", FS_BIG, FC_YELLOW);
2100             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2101                      getKeyNameFromKey(key), FS_BIG, FC_YELLOW);
2102             step_nr++;
2103
2104             /* un-highlight last query */
2105             DrawText(SX, SY+(2+2*(step_nr-1))*32,
2106                      customize_step[step_nr-1].text, FS_BIG, FC_GREEN);
2107             DrawText(SX, SY+(2+2*(step_nr-1)+1)*32,
2108                      "Key:", FS_BIG, FC_GREEN);
2109
2110             /* press 'Enter' to leave */
2111             if (step_nr == 6)
2112             {
2113               DrawText(SX + 16, SY + 15*32+16,
2114                        "Press Enter", FS_BIG, FC_YELLOW);
2115               break;
2116             }
2117
2118             /* query next key binding */
2119             DrawText(SX, SY+(2+2*step_nr)*32,
2120                      customize_step[step_nr].text, FS_BIG, FC_RED);
2121             DrawText(SX, SY+(2+2*step_nr+1)*32,
2122                      "Key:", FS_BIG, FC_RED);
2123             DrawText(SX + 4*32, SY+(2+2*step_nr+1)*32,
2124                      getKeyNameFromKey(*customize_step[step_nr].key),
2125                      FS_BIG, FC_BLUE);
2126           }
2127           break;
2128
2129         case EVENT_KEYRELEASE:
2130           key_joystick_mapping = 0;
2131           break;
2132
2133         default:
2134           HandleOtherEvents(&event);
2135           break;
2136       }
2137     }
2138
2139     BackToFront();
2140     DoAnimation();
2141
2142     /* don't eat all CPU time */
2143     Delay(10);
2144   }
2145
2146   /* write new key bindings back to player setup */
2147   setup.input[player_nr].key = custom_key;
2148
2149   StopAnimation();
2150   DrawSetupScreen_Input();
2151 }
2152
2153 static boolean CalibrateJoystickMain(int player_nr)
2154 {
2155   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2156   int new_joystick_xright = JOYSTICK_XMIDDLE;
2157   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2158   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2159   int new_joystick_xmiddle, new_joystick_ymiddle;
2160
2161   int joystick_fd = joystick.fd[player_nr];
2162   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2163   boolean check[3][3];
2164   int check_remaining = 3 * 3;
2165   int joy_x, joy_y;
2166   int joy_value;
2167   int result = -1;
2168
2169   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2170     return FALSE;
2171
2172   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2173     return FALSE;
2174
2175   ClearWindow();
2176
2177   for(y=0; y<3; y++)
2178   {
2179     for(x=0; x<3; x++)
2180     {
2181       check[x][y] = FALSE;
2182       DrawGraphic(xpos + x - 1, ypos + y - 1, GFX_KUGEL_BLAU);
2183     }
2184   }
2185
2186   DrawText(SX,      SY +  6 * 32, " ROTATE JOYSTICK ", FS_BIG, FC_YELLOW);
2187   DrawText(SX,      SY +  7 * 32, "IN ALL DIRECTIONS", FS_BIG, FC_YELLOW);
2188   DrawText(SX + 16, SY +  9 * 32, "  IF ALL BALLS  ",  FS_BIG, FC_YELLOW);
2189   DrawText(SX,      SY + 10 * 32, "   ARE YELLOW,   ", FS_BIG, FC_YELLOW);
2190   DrawText(SX,      SY + 11 * 32, " CENTER JOYSTICK ", FS_BIG, FC_YELLOW);
2191   DrawText(SX,      SY + 12 * 32, "       AND       ", FS_BIG, FC_YELLOW);
2192   DrawText(SX,      SY + 13 * 32, "PRESS ANY BUTTON!", FS_BIG, FC_YELLOW);
2193
2194   joy_value = Joystick(player_nr);
2195   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2196   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2197
2198   /* eventually uncalibrated center position (joystick could be uncentered) */
2199   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2200     return FALSE;
2201
2202   new_joystick_xmiddle = joy_x;
2203   new_joystick_ymiddle = joy_y;
2204
2205   DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_ROT);
2206   BackToFront();
2207
2208   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2209   InitAnimation();
2210
2211   while(result < 0)
2212   {
2213     if (PendingEvent())         /* got event */
2214     {
2215       Event event;
2216
2217       NextEvent(&event);
2218
2219       switch(event.type)
2220       {
2221         case EVENT_KEYPRESS:
2222           switch(GetEventKey((KeyEvent *)&event, TRUE))
2223           {
2224             case KSYM_Return:
2225               if (check_remaining == 0)
2226                 result = 1;
2227               break;
2228
2229             case KSYM_Escape:
2230               result = 0;
2231               break;
2232
2233             default:
2234               break;
2235           }
2236           break;
2237
2238         case EVENT_KEYRELEASE:
2239           key_joystick_mapping = 0;
2240           break;
2241
2242         default:
2243           HandleOtherEvents(&event);
2244           break;
2245       }
2246     }
2247
2248     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2249       return FALSE;
2250
2251     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2252     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2253     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2254     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2255
2256     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2257     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2258     setup.input[player_nr].joy.xright = new_joystick_xright;
2259     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2260     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2261     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2262
2263     CheckJoystickData();
2264
2265     joy_value = Joystick(player_nr);
2266
2267     if (joy_value & JOY_BUTTON && check_remaining == 0)
2268       result = 1;
2269
2270     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2271     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2272
2273     if (x != last_x || y != last_y)
2274     {
2275       DrawGraphic(xpos + last_x, ypos + last_y, GFX_KUGEL_GELB);
2276       DrawGraphic(xpos + x,      ypos + y,      GFX_KUGEL_ROT);
2277
2278       last_x = x;
2279       last_y = y;
2280
2281       if (check_remaining > 0 && !check[x+1][y+1])
2282       {
2283         check[x+1][y+1] = TRUE;
2284         check_remaining--;
2285       }
2286
2287 #if 0
2288 #ifdef DEBUG
2289       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2290              setup.input[player_nr].joy.xleft,
2291              setup.input[player_nr].joy.xmiddle,
2292              setup.input[player_nr].joy.xright);
2293       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2294              setup.input[player_nr].joy.yupper,
2295              setup.input[player_nr].joy.ymiddle,
2296              setup.input[player_nr].joy.ylower);
2297 #endif
2298 #endif
2299
2300     }
2301
2302     BackToFront();
2303     DoAnimation();
2304
2305     /* don't eat all CPU time */
2306     Delay(10);
2307   }
2308
2309   /* calibrated center position (joystick should now be centered) */
2310   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2311     return FALSE;
2312
2313   new_joystick_xmiddle = joy_x;
2314   new_joystick_ymiddle = joy_y;
2315
2316   StopAnimation();
2317
2318   DrawSetupScreen_Input();
2319
2320   /* wait until the last pressed button was released */
2321   while (Joystick(player_nr) & JOY_BUTTON)
2322   {
2323     if (PendingEvent())         /* got event */
2324     {
2325       Event event;
2326
2327       NextEvent(&event);
2328       HandleOtherEvents(&event);
2329
2330       Delay(10);
2331     }
2332   }
2333
2334   return TRUE;
2335 }
2336
2337 void CalibrateJoystick(int player_nr)
2338 {
2339   if (!CalibrateJoystickMain(player_nr))
2340   {
2341     ClearWindow();
2342
2343     DrawText(SX + 16, SY + 6*32, "  JOYSTICK NOT  ",  FS_BIG, FC_YELLOW);
2344     DrawText(SX,      SY + 7*32, "    AVAILABLE    ", FS_BIG, FC_YELLOW);
2345     BackToFront();
2346     Delay(2000);        /* show error message for two seconds */
2347   }
2348 }
2349
2350 void DrawSetupScreen()
2351 {
2352   DeactivateJoystick();
2353
2354   if (setup_mode == SETUP_MODE_INPUT)
2355     DrawSetupScreen_Input();
2356   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2357     DrawChooseTree(&artwork.gfx_current);
2358   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2359     DrawChooseTree(&artwork.snd_current);
2360   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2361     DrawChooseTree(&artwork.mus_current);
2362   else
2363     DrawSetupScreen_Generic();
2364 }
2365
2366 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2367 {
2368   if (setup_mode == SETUP_MODE_INPUT)
2369     HandleSetupScreen_Input(mx, my, dx, dy, button);
2370   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2371     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2372   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2373     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2374   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2375     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2376   else
2377     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2378 }
2379
2380 void HandleGameActions()
2381 {
2382   if (game_status != PLAYING)
2383     return;
2384
2385   if (local_player->LevelSolved)
2386     GameWon();
2387
2388   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2389     TapeStop();
2390
2391   GameActions();
2392
2393   BackToFront();
2394 }
2395
2396 /* ---------- new screen button stuff -------------------------------------- */
2397
2398 /* graphic position and size values for buttons and scrollbars */
2399 #define SC_SCROLLBUTTON_XPOS            64
2400 #define SC_SCROLLBUTTON_YPOS            0
2401 #define SC_SCROLLBAR_XPOS               0
2402 #define SC_SCROLLBAR_YPOS               64
2403
2404 #define SC_SCROLLBUTTON_XSIZE           32
2405 #define SC_SCROLLBUTTON_YSIZE           32
2406
2407 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2408 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2409 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2410 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2411 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2412 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2413 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2414 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2415
2416 #define SC_BORDER_SIZE                  14
2417
2418 static struct
2419 {
2420   int xpos, ypos;
2421   int x, y;
2422   int gadget_id;
2423   char *infotext;
2424 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2425 {
2426   {
2427     SC_SCROLLBUTTON_XPOS + 0 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2428     SC_SCROLL_UP_XPOS,                                  SC_SCROLL_UP_YPOS,
2429     SCREEN_CTRL_ID_SCROLL_UP,
2430     "scroll level series up"
2431   },
2432   {
2433     SC_SCROLLBUTTON_XPOS + 1 * SC_SCROLLBUTTON_XSIZE,   SC_SCROLLBUTTON_YPOS,
2434     SC_SCROLL_DOWN_XPOS,                                SC_SCROLL_DOWN_YPOS,
2435     SCREEN_CTRL_ID_SCROLL_DOWN,
2436     "scroll level series down"
2437   }
2438 };
2439
2440 static struct
2441 {
2442   int xpos, ypos;
2443   int x, y;
2444   int width, height;
2445   int type;
2446   int gadget_id;
2447   char *infotext;
2448 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2449 {
2450   {
2451     SC_SCROLLBAR_XPOS,                  SC_SCROLLBAR_YPOS,
2452     SX + SC_SCROLL_VERTICAL_XPOS,       SY + SC_SCROLL_VERTICAL_YPOS,
2453     SC_SCROLL_VERTICAL_XSIZE,           SC_SCROLL_VERTICAL_YSIZE,
2454     GD_TYPE_SCROLLBAR_VERTICAL,
2455     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2456     "scroll level series vertically"
2457   }
2458 };
2459
2460 static void CreateScreenScrollbuttons()
2461 {
2462   Bitmap *gd_bitmap = pix[PIX_MORE];
2463   struct GadgetInfo *gi;
2464   unsigned long event_mask;
2465   int i;
2466
2467   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2468   {
2469     int id = scrollbutton_info[i].gadget_id;
2470     int x, y, width, height;
2471     int gd_x1, gd_x2, gd_y1, gd_y2;
2472
2473     x = scrollbutton_info[i].x;
2474     y = scrollbutton_info[i].y;
2475
2476     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2477
2478     x += SX;
2479     y += SY;
2480     width = SC_SCROLLBUTTON_XSIZE;
2481     height = SC_SCROLLBUTTON_YSIZE;
2482     gd_x1 = scrollbutton_info[i].xpos;
2483     gd_y1 = scrollbutton_info[i].ypos;
2484     gd_x2 = gd_x1;
2485     gd_y2 = gd_y1 + SC_SCROLLBUTTON_YSIZE;
2486
2487     gi = CreateGadget(GDI_CUSTOM_ID, id,
2488                       GDI_CUSTOM_TYPE_ID, i,
2489                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2490                       GDI_X, x,
2491                       GDI_Y, y,
2492                       GDI_WIDTH, width,
2493                       GDI_HEIGHT, height,
2494                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2495                       GDI_STATE, GD_BUTTON_UNPRESSED,
2496                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2497                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2498                       GDI_EVENT_MASK, event_mask,
2499                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2500                       GDI_END);
2501
2502     if (gi == NULL)
2503       Error(ERR_EXIT, "cannot create gadget");
2504
2505     screen_gadget[id] = gi;
2506   }
2507 }
2508
2509 static void CreateScreenScrollbars()
2510 {
2511   int i;
2512
2513   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2514   {
2515     int id = scrollbar_info[i].gadget_id;
2516     Bitmap *gd_bitmap = pix[PIX_MORE];
2517     int gd_x1, gd_x2, gd_y1, gd_y2;
2518     struct GadgetInfo *gi;
2519     int items_max, items_visible, item_position;
2520     unsigned long event_mask;
2521     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2522
2523 #if 0
2524     if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
2525       num_page_entries = num_leveldirs;
2526     else
2527       num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2528
2529     items_max = MAX(num_leveldirs, num_page_entries);
2530     items_visible = num_page_entries;
2531     item_position = 0;
2532 #else
2533     items_max = num_page_entries;
2534     items_visible = num_page_entries;
2535     item_position = 0;
2536 #endif
2537
2538     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2539
2540     gd_x1 = scrollbar_info[i].xpos;
2541     gd_x2 = gd_x1 + scrollbar_info[i].width;
2542     gd_y1 = scrollbar_info[i].ypos;
2543     gd_y2 = scrollbar_info[i].ypos;
2544
2545     gi = CreateGadget(GDI_CUSTOM_ID, id,
2546                       GDI_CUSTOM_TYPE_ID, i,
2547                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2548                       GDI_X, scrollbar_info[i].x,
2549                       GDI_Y, scrollbar_info[i].y,
2550                       GDI_WIDTH, scrollbar_info[i].width,
2551                       GDI_HEIGHT, scrollbar_info[i].height,
2552                       GDI_TYPE, scrollbar_info[i].type,
2553                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2554                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2555                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2556                       GDI_STATE, GD_BUTTON_UNPRESSED,
2557                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2558                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2559                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
2560                       GDI_EVENT_MASK, event_mask,
2561                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2562                       GDI_END);
2563
2564     if (gi == NULL)
2565       Error(ERR_EXIT, "cannot create gadget");
2566
2567     screen_gadget[id] = gi;
2568   }
2569 }
2570
2571 void CreateScreenGadgets()
2572 {
2573   CreateScreenScrollbuttons();
2574   CreateScreenScrollbars();
2575 }
2576
2577 void MapChooseTreeGadgets(TreeInfo *ti)
2578 {
2579   int num_entries = numTreeInfoInGroup(ti);
2580   int i;
2581
2582   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
2583     return;
2584
2585   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2586     MapGadget(screen_gadget[i]);
2587 }
2588
2589 void UnmapChooseTreeGadgets()
2590 {
2591   int i;
2592
2593   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2594     UnmapGadget(screen_gadget[i]);
2595 }
2596
2597 static void HandleScreenGadgets(struct GadgetInfo *gi)
2598 {
2599   int id = gi->custom_id;
2600
2601   if (game_status != CHOOSELEVEL)
2602     return;
2603
2604   switch (id)
2605   {
2606     case SCREEN_CTRL_ID_SCROLL_UP:
2607       HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
2608       break;
2609
2610     case SCREEN_CTRL_ID_SCROLL_DOWN:
2611       HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2612       break;
2613
2614     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
2615       HandleChooseLevel(0,0, 999,gi->event.item_position, MB_MENU_INITIALIZE);
2616       break;
2617
2618     default:
2619       break;
2620   }
2621 }