src/screens.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * screens.c                                                *
  12 ***********************************************************/
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "screens.h"
  17 #include "events.h"
  18 #include "game.h"
  19 #include "tools.h"
  20 #include "editor.h"
  21 #include "files.h"
  22 #include "tape.h"
  23 #include "cartoons.h"
  24 #include "network.h"
  25 #include "init.h"
  26
  27 /* screens in the setup menu */
  28 #define SETUP_MODE_MAIN                 0
  29 #define SETUP_MODE_GAME                 1
  30 #define SETUP_MODE_INPUT                2
  31 #define SETUP_MODE_SHORTCUT             3
  32 #define SETUP_MODE_GRAPHICS             4
  33 #define SETUP_MODE_SOUND                5
  34 #define SETUP_MODE_ARTWORK              6
  35 #define SETUP_MODE_CHOOSE_GRAPHICS      7
  36 #define SETUP_MODE_CHOOSE_SOUNDS        8
  37 #define SETUP_MODE_CHOOSE_MUSIC         9
  38
  39 #define MAX_SETUP_MODES                 10
  40
  41 /* for input setup functions */
  42 #define SETUPINPUT_SCREEN_POS_START     0
  43 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  44 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  45 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  46
  47 /* for various menu stuff  */
  48 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - 2)
  49 #define MENU_SCREEN_START_YPOS          2
  50 #define MENU_SCREEN_VALUE_XPOS          14
  51
  52 /* buttons and scrollbars identifiers */
  53 #define SCREEN_CTRL_ID_SCROLL_UP        0
  54 #define SCREEN_CTRL_ID_SCROLL_DOWN      1
  55 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  2
  56
  57 #define NUM_SCREEN_SCROLLBUTTONS        2
  58 #define NUM_SCREEN_SCROLLBARS           1
  59 #define NUM_SCREEN_GADGETS              3
  60
  61 /* forward declarations of internal functions */
  62 static void HandleScreenGadgets(struct GadgetInfo *);
  63 static void HandleSetupScreen_Generic(int, int, int, int, int);
  64 static void HandleSetupScreen_Input(int, int, int, int, int);
  65 static void CustomizeKeyboard(int);
  66 static void CalibrateJoystick(int);
  67 static void execSetupArtwork(void);
  68 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
  69
  70 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
  71 static int setup_mode = SETUP_MODE_MAIN;
  72
  73 static void drawCursorExt(int pos, int color, int graphic)
  74 {
  75   static int cursor_array[SCR_FIELDY];
  76
  77   if (graphic)
  78     cursor_array[pos] = graphic;
  79
  80   graphic = cursor_array[pos];
  81
  82   if (color == FC_RED)
  83     graphic = (graphic == IMG_ARROW_BLUE_LEFT  ? IMG_ARROW_RED_LEFT  :
  84                graphic == IMG_ARROW_BLUE_RIGHT ? IMG_ARROW_RED_RIGHT :
  85                IMG_BALL_RED);
  86
  87   DrawGraphic(0, MENU_SCREEN_START_YPOS + pos, graphic, 0);
  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, bitmap_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(new_graphic_info[IMG_MENU_BACK].bitmap, backbuffer,
 122                0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 123
 124     /* restore old door content */
 125     BlitBitmap(bitmap_db_door, backbuffer,
 126                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 127
 128     redraw_mask = REDRAW_ALL;
 129   }
 130 }
 131
 132 void DrawMainMenu()
 133 {
 134   static LevelDirTree *leveldir_last_valid = NULL;
 135   int i;
 136   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 137
 138   UnmapAllGadgets();
 139   FadeSounds();
 140   KeyboardAutoRepeatOn();
 141   ActivateJoystick();
 142   SetDrawDeactivationMask(REDRAW_NONE);
 143   audio.sound_deactivated = FALSE;
 144
 145   /* needed if last screen was the playing screen, invoked from level editor */
 146   if (level_editor_test_game)
 147   {
 148     game_status = LEVELED;
 149     DrawLevelEd();
 150     return;
 151   }
 152
 153   /* needed if last screen was the editor screen */
 154   UndrawSpecialEditorDoor();
 155
 156   /* needed if last screen was the setup screen and fullscreen state changed */
 157   ToggleFullscreenIfNeeded();
 158
 159   /* needed if last screen (level choice) changed graphics, sounds or music */
 160   ReloadCustomArtwork();
 161
 162 #ifdef TARGET_SDL
 163   SetDrawtoField(DRAW_BACKBUFFER);
 164 #endif
 165
 166   /* map gadgets for main menu screen */
 167   MapTapeButtons();
 168
 169   /* leveldir_current may be invalid (level group, parent link) */
 170   if (!validLevelSeries(leveldir_current))
 171     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 172
 173   /* store valid level series information */
 174   leveldir_last_valid = leveldir_current;
 175
 176   /* level_nr may have been set to value over handicap with level editor */
 177   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 178     level_nr = leveldir_current->handicap_level;
 179
 180   GetPlayerConfig();
 181   LoadLevel(level_nr);
 182
 183   ClearWindow();
 184   DrawHeadline();
 185   DrawText(SX + 32,    SY + 2*32, name_text, FS_BIG, FC_GREEN);
 186   DrawText(SX + 6*32,  SY + 2*32, setup.player_name, FS_BIG, FC_RED);
 187   DrawText(SX + 32,    SY + 3*32, "Level:", FS_BIG, FC_GREEN);
 188   DrawText(SX + 11*32, SY + 3*32, int2str(level_nr,3), FS_BIG,
 189            (leveldir_current->readonly ? FC_RED : FC_YELLOW));
 190   DrawText(SX + 32,    SY + 4*32, "Hall Of Fame", FS_BIG, FC_GREEN);
 191   DrawText(SX + 32,    SY + 5*32, "Level Creator", FS_BIG, FC_GREEN);
 192   DrawText(SY + 32,    SY + 6*32, "Info Screen", FS_BIG, FC_GREEN);
 193   DrawText(SX + 32,    SY + 7*32, "Start Game", FS_BIG, FC_GREEN);
 194   DrawText(SX + 32,    SY + 8*32, "Setup", FS_BIG, FC_GREEN);
 195   DrawText(SX + 32,    SY + 9*32, "Quit", FS_BIG, FC_GREEN);
 196
 197   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 198
 199   DrawTextF(7*32 + 6, 3*32 + 9, FC_RED, "%d-%d",
 200             leveldir_current->first_level,
 201             leveldir_current->last_level);
 202
 203   if (leveldir_current->readonly)
 204   {
 205     DrawTextF(15*32 + 6, 3*32 + 9 - 7, FC_RED, "READ");
 206     DrawTextF(15*32 + 6, 3*32 + 9 + 7, FC_RED, "ONLY");
 207   }
 208
 209   for(i=0; i<8; i++)
 210     initCursor(i, (i == 1 || i == 6 ? IMG_ARROW_BLUE_RIGHT : IMG_BALL_BLUE));
 211
 212   DrawGraphic(10, 3, IMG_ARROW_BLUE_LEFT, 0);
 213   DrawGraphic(14, 3, IMG_ARROW_BLUE_RIGHT, 0);
 214
 215   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment",
 216            FS_SMALL, FC_RED);
 217
 218   if (leveldir_current->name)
 219   {
 220     int len = strlen(leveldir_current->name);
 221     int lxpos = SX + (SXSIZE - len * FONT4_XSIZE) / 2;
 222     int lypos = SY + 352;
 223
 224     DrawText(lxpos, lypos, leveldir_current->name, FS_SMALL, FC_SPECIAL2);
 225   }
 226
 227   FadeToFront();
 228   InitAnimation();
 229   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 230
 231   TapeStop();
 232   if (TAPE_IS_EMPTY(tape))
 233     LoadTape(level_nr);
 234   DrawCompleteVideoDisplay();
 235
 236   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 237
 238 #if 0
 239   ClearEventQueue();
 240 #endif
 241 }
 242
 243 static void gotoTopLevelDir()
 244 {
 245   /* move upwards to top level directory */
 246   while (leveldir_current->node_parent)
 247   {
 248     /* write a "path" into level tree for easy navigation to last level */
 249     if (leveldir_current->node_parent->node_group->cl_first == -1)
 250     {
 251       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 252       int leveldir_pos = posTreeInfo(leveldir_current);
 253       int num_page_entries;
 254       int cl_first, cl_cursor;
 255
 256       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 257         num_page_entries = num_leveldirs;
 258       else
 259         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 260
 261       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 262       cl_cursor = leveldir_pos - cl_first;
 263
 264       leveldir_current->node_parent->node_group->cl_first = cl_first;
 265       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 266     }
 267
 268     leveldir_current = leveldir_current->node_parent;
 269   }
 270 }
 271
 272 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 273 {
 274   static int choice = 0;
 275   int x = 0;
 276   int y = choice;
 277
 278   if (button == MB_MENU_INITIALIZE)
 279   {
 280     drawCursor(choice, FC_RED);
 281     return;
 282   }
 283
 284   if (mx || my)         /* mouse input */
 285   {
 286     x = (mx - SX) / 32;
 287     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
 288   }
 289   else if (dx || dy)    /* keyboard input */
 290   {
 291     if (dx && choice == 1)
 292       x = (dx < 0 ? 10 : 14);
 293     else if (dy)
 294       y = choice + dy;
 295   }
 296
 297   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 298                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 299       button)
 300   {
 301     static unsigned long level_delay = 0;
 302     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 303     int new_level_nr, old_level_nr = level_nr;
 304     int font_color = (leveldir_current->readonly ? FC_RED : FC_YELLOW);
 305
 306     new_level_nr = level_nr + (x == 10 ? -step : +step);
 307     if (new_level_nr < leveldir_current->first_level)
 308       new_level_nr = leveldir_current->first_level;
 309     if (new_level_nr > leveldir_current->last_level)
 310       new_level_nr = leveldir_current->last_level;
 311
 312     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 313       new_level_nr = leveldir_current->handicap_level;
 314
 315     if (old_level_nr == new_level_nr ||
 316         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 317       goto out;
 318
 319     level_nr = new_level_nr;
 320
 321     DrawTextExt(drawto, SX + 11 * 32, SY + 3 * 32,
 322                 int2str(level_nr, 3), FS_BIG, font_color);
 323     DrawTextExt(window, SX + 11 * 32, SY + 3 * 32,
 324                 int2str(level_nr, 3), FS_BIG, font_color);
 325
 326     LoadLevel(level_nr);
 327     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 328
 329     TapeErase();
 330     LoadTape(level_nr);
 331     DrawCompleteVideoDisplay();
 332
 333     /* needed because DrawMicroLevel() takes some time */
 334     BackToFront();
 335     SyncDisplay();
 336     DelayReached(&level_delay, 0);      /* reset delay counter */
 337   }
 338   else if (x == 0 && y >= 0 && y <= 7)
 339   {
 340     if (button)
 341     {
 342       if (y != choice)
 343       {
 344         drawCursor(y, FC_RED);
 345         drawCursor(choice, FC_BLUE);
 346         choice = y;
 347       }
 348     }
 349     else
 350     {
 351       if (y == 0)
 352       {
 353         game_status = TYPENAME;
 354         HandleTypeName(strlen(setup.player_name), 0);
 355       }
 356       else if (y == 1)
 357       {
 358         if (leveldir_first)
 359         {
 360           game_status = CHOOSELEVEL;
 361           SaveLevelSetup_LastSeries();
 362           SaveLevelSetup_SeriesInfo();
 363
 364           gotoTopLevelDir();
 365
 366           DrawChooseLevel();
 367         }
 368       }
 369       else if (y == 2)
 370       {
 371         game_status = HALLOFFAME;
 372         DrawHallOfFame(-1);
 373       }
 374       else if (y == 3)
 375       {
 376         if (leveldir_current->readonly &&
 377             strcmp(setup.player_name, "Artsoft") != 0)
 378           Request("This level is read only !", REQ_CONFIRM);
 379         game_status = LEVELED;
 380         DrawLevelEd();
 381       }
 382       else if (y == 4)
 383       {
 384         game_status = HELPSCREEN;
 385         DrawHelpScreen();
 386       }
 387       else if (y == 5)
 388       {
 389         if (setup.autorecord)
 390           TapeStartRecording();
 391
 392 #if defined(PLATFORM_UNIX)
 393         if (options.network)
 394           SendToServer_StartPlaying();
 395         else
 396 #endif
 397         {
 398           game_status = PLAYING;
 399           StopAnimation();
 400           InitGame();
 401         }
 402       }
 403       else if (y == 6)
 404       {
 405         game_status = SETUP;
 406         setup_mode = SETUP_MODE_MAIN;
 407         DrawSetupScreen();
 408       }
 409       else if (y == 7)
 410       {
 411         SaveLevelSetup_LastSeries();
 412         SaveLevelSetup_SeriesInfo();
 413         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 414           game_status = EXITGAME;
 415       }
 416     }
 417   }
 418
 419   BackToFront();
 420
 421   out:
 422
 423   if (game_status == MAINMENU)
 424   {
 425     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 426     DoAnimation();
 427   }
 428 }
 429
 430
 431 #define MAX_HELPSCREEN_ELS      10
 432 #define HA_NEXT                 -999
 433 #define HA_END                  -1000
 434
 435 static long helpscreen_state;
 436 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 437 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 438 static int helpscreen_delay[MAX_HELPSCREEN_ELS];
 439 static int helpscreen_action[] =
 440 {
 441   GFX_SPIELER1_DOWN,4,2,
 442   GFX_SPIELER1_UP,4,2,
 443   GFX_SPIELER1_LEFT,4,2,
 444   GFX_SPIELER1_RIGHT,4,2,
 445   GFX_SPIELER1_PUSH_LEFT,4,2,
 446   GFX_SPIELER1_PUSH_RIGHT,4,2,                                  HA_NEXT,
 447   GFX_ERDREICH,1,100,                                           HA_NEXT,
 448   GFX_LEERRAUM,1,100,                                           HA_NEXT,
 449   GFX_MORAST_LEER,1,100,                                        HA_NEXT,
 450   GFX_BETON,1,100,                                              HA_NEXT,
 451   GFX_MAUERWERK,1,100,                                          HA_NEXT,
 452   GFX_MAUER_L1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 453   GFX_MAUER_R1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 454   GFX_MAUER_UP,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 455   GFX_MAUER_DOWN,3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,    HA_NEXT,
 456   GFX_UNSICHTBAR,1,100,                                         HA_NEXT,
 457   GFX_FELSBODEN,1,100,                                          HA_NEXT,
 458   GFX_CHAR_A,30,4, GFX_CHAR_AUSRUF,32,4,                        HA_NEXT,
 459   GFX_EDELSTEIN,2,5,                                            HA_NEXT,
 460   GFX_DIAMANT,2,5,                                              HA_NEXT,
 461   GFX_EDELSTEIN_BD,2,5,                                         HA_NEXT,
 462   GFX_EDELSTEIN_GELB,2,5, GFX_EDELSTEIN_ROT,2,5,
 463   GFX_EDELSTEIN_LILA,2,5,                                       HA_NEXT,
 464   GFX_FELSBROCKEN,4,5,                                          HA_NEXT,
 465   GFX_BOMBE,1,50, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,         HA_NEXT,
 466   GFX_KOKOSNUSS,1,50, GFX_CRACKINGNUT,3,1, GFX_EDELSTEIN,1,10,  HA_NEXT,
 467   GFX_ERZ_EDEL,1,50, GFX_EXPLOSION,8,1, GFX_EDELSTEIN,1,10,     HA_NEXT,
 468   GFX_ERZ_DIAM,1,50, GFX_EXPLOSION,8,1, GFX_DIAMANT,1,10,       HA_NEXT,
 469   GFX_ERZ_EDEL_BD,1,50, GFX_EXPLOSION,8,1,GFX_EDELSTEIN_BD,1,10,HA_NEXT,
 470   GFX_ERZ_EDEL_GELB,1,50, GFX_EXPLOSION,8,1,
 471   GFX_EDELSTEIN_GELB,1,10, GFX_ERZ_EDEL_ROT,1,50,
 472   GFX_EXPLOSION,8,1, GFX_EDELSTEIN_ROT,1,10,
 473   GFX_ERZ_EDEL_LILA,1,50, GFX_EXPLOSION,8,1,
 474   GFX_EDELSTEIN_LILA,1,10,                                      HA_NEXT,
 475   GFX_GEBLUBBER,4,4,                                            HA_NEXT,
 476   GFX_SCHLUESSEL1,4,25,                                         HA_NEXT,
 477   GFX_PFORTE1,4,25,                                             HA_NEXT,
 478   GFX_PFORTE1X,4,25,                                            HA_NEXT,
 479   GFX_DYNAMIT_AUS,1,100,                                        HA_NEXT,
 480   GFX_DYNAMIT,7,6, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,        HA_NEXT,
 481   GFX_DYNABOMB+0,4,3, GFX_DYNABOMB+3,1,3, GFX_DYNABOMB+2,1,3,
 482   GFX_DYNABOMB+1,1,3, GFX_DYNABOMB+0,1,3, GFX_EXPLOSION,8,1,
 483   GFX_LEERRAUM,1,10,                                            HA_NEXT,
 484   GFX_DYNABOMB_NR,1,100,                                        HA_NEXT,
 485   GFX_DYNABOMB_SZ,1,100,                                        HA_NEXT,
 486   GFX_FLIEGER+4,1,3, GFX_FLIEGER+0,1,3, GFX_FLIEGER+4,1,3,
 487   GFX_FLIEGER+5,1,3, GFX_FLIEGER+1,1,3, GFX_FLIEGER+5,1,3,
 488   GFX_FLIEGER+6,1,3, GFX_FLIEGER+2,1,3, GFX_FLIEGER+6,1,3,
 489   GFX_FLIEGER+7,1,3, GFX_FLIEGER+3,1,3, GFX_FLIEGER+7,1,3,      HA_NEXT,
 490   GFX_KAEFER+4,1,1, GFX_KAEFER+0,1,1, GFX_KAEFER+4,1,1,
 491   GFX_KAEFER+5,1,1, GFX_KAEFER+1,1,1, GFX_KAEFER+5,1,1,
 492   GFX_KAEFER+6,1,1, GFX_KAEFER+2,1,1, GFX_KAEFER+6,1,1,
 493   GFX_KAEFER+7,1,1, GFX_KAEFER+3,1,1, GFX_KAEFER+7,1,1,         HA_NEXT,
 494   GFX_BUTTERFLY,2,2,                                            HA_NEXT,
 495   GFX_FIREFLY,2,2,                                              HA_NEXT,
 496   GFX_PACMAN+0,1,3, GFX_PACMAN+4,1,2, GFX_PACMAN+0,1,3,
 497   GFX_PACMAN+1,1,3, GFX_PACMAN+5,1,2, GFX_PACMAN+1,1,3,
 498   GFX_PACMAN+2,1,3, GFX_PACMAN+6,1,2, GFX_PACMAN+2,1,3,
 499   GFX_PACMAN+3,1,3, GFX_PACMAN+7,1,2, GFX_PACMAN+3,1,3,         HA_NEXT,
 500   GFX_MAMPFER+0,4,1, GFX_MAMPFER+3,1,1, GFX_MAMPFER+2,1,1,
 501   GFX_MAMPFER+1,1,1, GFX_MAMPFER+0,1,1,                         HA_NEXT,
 502   GFX_MAMPFER2+0,4,1, GFX_MAMPFER2+3,1,1, GFX_MAMPFER2+2,1,1,
 503   GFX_MAMPFER2+1,1,1, GFX_MAMPFER2+0,1,1,                       HA_NEXT,
 504   GFX_ROBOT+0,4,1, GFX_ROBOT+3,1,1, GFX_ROBOT+2,1,1,
 505   GFX_ROBOT+1,1,1, GFX_ROBOT+0,1,1,                             HA_NEXT,
 506   GFX_MOLE_DOWN,4,2,
 507   GFX_MOLE_UP,4,2,
 508   GFX_MOLE_LEFT,4,2,
 509   GFX_MOLE_RIGHT,4,2,                                           HA_NEXT,
 510   GFX_PINGUIN_DOWN,4,2,
 511   GFX_PINGUIN_UP,4,2,
 512   GFX_PINGUIN_LEFT,4,2,
 513   GFX_PINGUIN_RIGHT,4,2,                                        HA_NEXT,
 514   GFX_SCHWEIN_DOWN,4,2,
 515   GFX_SCHWEIN_UP,4,2,
 516   GFX_SCHWEIN_LEFT,4,2,
 517   GFX_SCHWEIN_RIGHT,4,2,                                        HA_NEXT,
 518   GFX_DRACHE_DOWN,4,2,
 519   GFX_DRACHE_UP,4,2,
 520   GFX_DRACHE_LEFT,4,2,
 521   GFX_DRACHE_RIGHT,4,2,                                         HA_NEXT,
 522   GFX_SONDE_START,8,1,                                          HA_NEXT,
 523   GFX_ABLENK,4,1,                                               HA_NEXT,
 524   GFX_BIRNE_AUS,1,25, GFX_BIRNE_EIN,1,25,                       HA_NEXT,
 525   GFX_ZEIT_VOLL,1,25, GFX_ZEIT_LEER,1,25,                       HA_NEXT,
 526   GFX_TROPFEN,1,25, GFX_AMOEBING,4,1, GFX_AMOEBE_LEBT,1,10,     HA_NEXT,
 527   GFX_AMOEBE_TOT+2,2,50, GFX_AMOEBE_TOT,2,50,                   HA_NEXT,
 528   GFX_AMOEBE_LEBT,4,40,                                         HA_NEXT,
 529   GFX_AMOEBE_LEBT,1,10, GFX_AMOEBING,4,2,                       HA_NEXT,
 530   GFX_AMOEBE_LEBT,1,25, GFX_AMOEBE_TOT,1,25, GFX_EXPLOSION,8,1,
 531   GFX_DIAMANT,1,10,                                             HA_NEXT,
 532   GFX_LIFE,1,100,                                               HA_NEXT,
 533   GFX_LIFE_ASYNC,1,100,                                         HA_NEXT,
 534   GFX_MAGIC_WALL_OFF,4,2,                                       HA_NEXT,
 535   GFX_MAGIC_WALL_BD_OFF,4,2,                                    HA_NEXT,
 536   GFX_AUSGANG_ZU,1,100, GFX_AUSGANG_ACT,4,2,
 537   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 538   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 539   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 540   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 541   GFX_SOKOBAN_OBJEKT,1,100,                                     HA_NEXT,
 542   GFX_SOKOBAN_FELD_LEER,1,100,                                  HA_NEXT,
 543   GFX_SOKOBAN_FELD_VOLL,1,100,                                  HA_NEXT,
 544   GFX_SPEED_PILL,1,100,                                         HA_NEXT,
 545   HA_END
 546 };
 547 static char *helpscreen_eltext[][2] =
 548 {
 549  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 550  {"Normal sand:",                       "You can dig through it"},
 551  {"Empty field:",                       "You can walk through it"},
 552  {"Quicksand: You cannot pass it,",     "but rocks can fall though it"},
 553  {"Massive Wall:",                      "Nothing can go through it"},
 554  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 555  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 556  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 557  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 558  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 559  {"Emerald: You must collect enough of","them to finish a level"},
 560  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 561  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 562  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 563  {"Rock: Smashes several things;",      "Can be moved by the player"},
 564  {"Bomb: You can move it, but be",      "careful when dropping it"},
 565  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 566  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 567  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 568  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 569  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 570  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 571  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 572  {"Door: Can be opened by the key",     "with the same color"},
 573  {"Door: You have to find out the",     "right color of the key for it"},
 574  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 575  {"Dynamite: This one explodes after",  "a few seconds"},
 576  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 577  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 578  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 579  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 580  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 581  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 582  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 583  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 584  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 585  {"Cruncher (BD style):",               "Eats almost everything"},
 586  {"Robot: Tries to kill the player",    ""},
 587  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 588  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 589  {"The Pig: Harmless, but eats all",    "gems it can get"},
 590  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 591  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 592  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 593  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 594  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 595  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 596  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 597  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 598  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 599  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 600  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 601  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 602  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 603  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 604  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 605  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 606  {"Sokoban element: Object which must", "be pushed to an empty field"},
 607  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 608  {"Sokoban element: Field with object", "which can be pushed away"},
 609  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 610 };
 611 static int num_helpscreen_els = sizeof(helpscreen_eltext)/(2*sizeof(char *));
 612
 613 static char *helpscreen_music[][3] =
 614 {
 615   { "Alchemy",                  "Ian Boddy",            "Drive" },
 616   { "The Chase",                "Propaganda",           "A Secret Wish" },
 617   { "Network 23",               "Tangerine Dream",      "Exit" },
 618   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 619   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 620   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 621   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 622 };
 623 static int num_helpscreen_music = 7;
 624 static int helpscreen_musicpos;
 625
 626 void DrawHelpScreenElAction(int start)
 627 {
 628   int i = 0, j = 0;
 629   int frame, graphic;
 630   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 631
 632   while(helpscreen_action[j] != HA_END)
 633   {
 634     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 635       break;
 636     else if (i<start || helpscreen_delay[i-start])
 637     {
 638       if (i>=start && helpscreen_delay[i-start])
 639         helpscreen_delay[i-start]--;
 640
 641       while(helpscreen_action[j] != HA_NEXT)
 642         j++;
 643       j++;
 644       i++;
 645       continue;
 646     }
 647
 648     j += 3*helpscreen_step[i-start];
 649     graphic = helpscreen_action[j++];
 650
 651     if (helpscreen_frame[i-start])
 652     {
 653       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 654       helpscreen_frame[i-start]--;
 655     }
 656     else
 657     {
 658       frame = 0;
 659       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 660     }
 661
 662     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 663
 664     if (helpscreen_action[j] == HA_NEXT)
 665     {
 666       if (!helpscreen_frame[i-start])
 667         helpscreen_step[i-start] = 0;
 668     }
 669     else
 670     {
 671       if (!helpscreen_frame[i-start])
 672         helpscreen_step[i-start]++;
 673       while(helpscreen_action[j] != HA_NEXT)
 674         j++;
 675     }
 676     j++;
 677
 678     DrawOldGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 679     i++;
 680   }
 681
 682   for(i=2;i<16;i++)
 683   {
 684     MarkTileDirty(0,i);
 685     MarkTileDirty(1,i);
 686   }
 687 }
 688
 689 void DrawHelpScreenElText(int start)
 690 {
 691   int i;
 692   int xstart = SX + 56, ystart = SY + 65 + 2 * 32, ystep = TILEY + 4;
 693   int ybottom = SYSIZE - 20;
 694
 695   ClearWindow();
 696   DrawHeadline();
 697
 698   DrawTextFCentered(100, FC_GREEN, "The game elements:");
 699
 700   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
 701   {
 702     DrawText(xstart,
 703              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
 704              helpscreen_eltext[i][0], FS_SMALL, FC_YELLOW);
 705     DrawText(xstart, ystart + (i - start) * ystep + 16,
 706              helpscreen_eltext[i][1], FS_SMALL, FC_YELLOW);
 707   }
 708
 709   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 710 }
 711
 712 void DrawHelpScreenMusicText(int num)
 713 {
 714   int ystart = 150, ystep = 30;
 715   int ybottom = SYSIZE - 20;
 716
 717   FadeSounds();
 718   ClearWindow();
 719   DrawHeadline();
 720
 721   DrawTextFCentered(100, FC_GREEN, "The game background music loops:");
 722
 723   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 724                     "Excerpt from");
 725   DrawTextFCentered(ystart + 1 * ystep, FC_RED, "\"%s\"",
 726                     helpscreen_music[num][0]);
 727   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 728                     "by");
 729   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 730                     "%s", helpscreen_music[num][1]);
 731   DrawTextFCentered(ystart + 4 * ystep, FC_YELLOW,
 732                     "from the album");
 733   DrawTextFCentered(ystart + 5 * ystep, FC_RED, "\"%s\"",
 734                     helpscreen_music[num][2]);
 735
 736   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 737
 738 #if 0
 739   PlaySoundLoop(background_loop[num]);
 740 #endif
 741 }
 742
 743 void DrawHelpScreenCreditsText()
 744 {
 745   int ystart = 150, ystep = 30;
 746   int ybottom = SYSIZE - 20;
 747
 748   FadeSounds();
 749   ClearWindow();
 750   DrawHeadline();
 751
 752   DrawTextFCentered(100, FC_GREEN,
 753                     "Credits:");
 754   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 755                     "DOS port of the game:");
 756   DrawTextFCentered(ystart + 1 * ystep, FC_RED,
 757                     "Guido Schulz");
 758   DrawTextFCentered(ystart + 2 * ystep, FC_YELLOW,
 759                     "Additional toons:");
 760   DrawTextFCentered(ystart + 3 * ystep, FC_RED,
 761                     "Karl Hörnell");
 762   DrawTextFCentered(ystart + 5 * ystep, FC_YELLOW,
 763                     "...and many thanks to all contributors");
 764   DrawTextFCentered(ystart + 6 * ystep, FC_YELLOW,
 765                     "of new levels!");
 766
 767   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for next page");
 768 }
 769
 770 void DrawHelpScreenContactText()
 771 {
 772   int ystart = 150, ystep = 30;
 773   int ybottom = SYSIZE - 20;
 774
 775   ClearWindow();
 776   DrawHeadline();
 777
 778   DrawTextFCentered(100, FC_GREEN, "Program information:");
 779
 780   DrawTextFCentered(ystart + 0 * ystep, FC_YELLOW,
 781                     "This game is Freeware!");
 782   DrawTextFCentered(ystart + 1 * ystep, FC_YELLOW,
 783                     "If you like it, send e-mail to:");
 784   DrawTextFCentered(ystart + 2 * ystep, FC_RED,
 785                     "info@artsoft.org");
 786   DrawTextFCentered(ystart + 3 * ystep, FC_YELLOW,
 787                     "or SnailMail to:");
 788   DrawTextFCentered(ystart + 4 * ystep + 0, FC_RED,
 789                     "Holger Schemel");
 790   DrawTextFCentered(ystart + 4 * ystep + 20, FC_RED,
 791                     "Detmolder Strasse 189");
 792   DrawTextFCentered(ystart + 4 * ystep + 40, FC_RED,
 793                     "33604 Bielefeld");
 794   DrawTextFCentered(ystart + 4 * ystep + 60, FC_RED,
 795                     "Germany");
 796
 797   DrawTextFCentered(ystart + 7 * ystep, FC_YELLOW,
 798                     "If you have created new levels,");
 799   DrawTextFCentered(ystart + 8 * ystep, FC_YELLOW,
 800                     "send them to me to include them!");
 801   DrawTextFCentered(ystart + 9 * ystep, FC_YELLOW,
 802                     ":-)");
 803
 804   DrawTextFCentered(ybottom, FC_BLUE, "Press any key or button for main menu");
 805 }
 806
 807 void DrawHelpScreen()
 808 {
 809   int i;
 810
 811   UnmapAllGadgets();
 812   CloseDoor(DOOR_CLOSE_2);
 813
 814   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 815     helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 816   helpscreen_musicpos = 0;
 817   helpscreen_state = 0;
 818   DrawHelpScreenElText(0);
 819   DrawHelpScreenElAction(0);
 820
 821   FadeToFront();
 822   InitAnimation();
 823   PlaySoundLoop(SND_MENU_INFO_SCREEN);
 824 }
 825
 826 void HandleHelpScreen(int button)
 827 {
 828   static unsigned long hs_delay = 0;
 829   int num_helpscreen_els_pages =
 830     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
 831   int button_released = !button;
 832   int i;
 833
 834   if (button_released)
 835   {
 836     if (helpscreen_state < num_helpscreen_els_pages - 1)
 837     {
 838       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
 839         helpscreen_step[i] = helpscreen_frame[i] = helpscreen_delay[i] = 0;
 840       helpscreen_state++;
 841       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
 842       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
 843     }
 844     else if (helpscreen_state <
 845              num_helpscreen_els_pages + num_helpscreen_music - 1)
 846     {
 847       helpscreen_state++;
 848       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
 849     }
 850     else if (helpscreen_state ==
 851              num_helpscreen_els_pages + num_helpscreen_music - 1)
 852     {
 853       helpscreen_state++;
 854       DrawHelpScreenCreditsText();
 855     }
 856     else if (helpscreen_state ==
 857              num_helpscreen_els_pages + num_helpscreen_music)
 858     {
 859       helpscreen_state++;
 860       DrawHelpScreenContactText();
 861     }
 862     else
 863     {
 864       FadeSounds();
 865       DrawMainMenu();
 866       game_status = MAINMENU;
 867     }
 868   }
 869   else
 870   {
 871     if (DelayReached(&hs_delay, GAME_FRAME_DELAY * 2))
 872     {
 873       if (helpscreen_state < num_helpscreen_els_pages)
 874         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
 875     }
 876
 877     /* !!! workaround for playing "music" that is really a sound loop (and
 878        must therefore periodically be reactivated with the current sound
 879        engine !!! */
 880     PlaySoundLoop(SND_MENU_INFO_SCREEN);
 881
 882     DoAnimation();
 883   }
 884
 885   BackToFront();
 886 }
 887
 888 void HandleTypeName(int newxpos, Key key)
 889 {
 890   static int xpos = 0, ypos = 2;
 891
 892   if (newxpos)
 893   {
 894     xpos = newxpos;
 895     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_YELLOW);
 896     DrawGraphic(xpos + 6, ypos, IMG_BALL_RED, 0);
 897     return;
 898   }
 899
 900   if (((key >= KSYM_A && key <= KSYM_Z) ||
 901        (key >= KSYM_a && key <= KSYM_z)) &&
 902       xpos < MAX_PLAYER_NAME_LEN)
 903   {
 904     char ascii;
 905
 906     if (key >= KSYM_A && key <= KSYM_Z)
 907       ascii = 'A' + (char)(key - KSYM_A);
 908     else
 909       ascii = 'a' + (char)(key - KSYM_a);
 910
 911     setup.player_name[xpos] = ascii;
 912     setup.player_name[xpos + 1] = 0;
 913     xpos++;
 914     DrawTextExt(drawto, SX + 6*32, SY + ypos*32,
 915                 setup.player_name, FS_BIG, FC_YELLOW);
 916     DrawTextExt(window, SX + 6*32, SY + ypos*32,
 917                 setup.player_name, FS_BIG, FC_YELLOW);
 918     DrawGraphic(xpos + 6, ypos, IMG_BALL_RED, 0);
 919   }
 920   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
 921   {
 922     xpos--;
 923     setup.player_name[xpos] = 0;
 924     DrawGraphic(xpos + 6, ypos, IMG_BALL_RED, 0);
 925     DrawGraphic(xpos + 7, ypos, IMG_EMPTY, 0);
 926   }
 927   else if (key == KSYM_Return && xpos > 0)
 928   {
 929     DrawText(SX + 6*32, SY + ypos*32, setup.player_name, FS_BIG, FC_RED);
 930     DrawGraphic(xpos + 6, ypos, IMG_EMPTY, 0);
 931
 932     SaveSetup();
 933     game_status = MAINMENU;
 934   }
 935
 936   BackToFront();
 937 }
 938
 939 static void DrawChooseTree(TreeInfo **ti_ptr)
 940 {
 941   UnmapAllGadgets();
 942   CloseDoor(DOOR_CLOSE_2);
 943
 944   ClearWindow();
 945   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
 946   MapChooseTreeGadgets(*ti_ptr);
 947
 948   FadeToFront();
 949   InitAnimation();
 950 }
 951
 952 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
 953 {
 954   struct GadgetInfo *gi = screen_gadget[id];
 955   int items_max, items_visible, item_position;
 956
 957   items_max = numTreeInfoInGroup(ti);
 958   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 959   item_position = first_entry;
 960
 961   if (item_position > items_max - items_visible)
 962     item_position = items_max - items_visible;
 963
 964   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
 965                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
 966 }
 967
 968 static void drawChooseTreeList(int first_entry, int num_page_entries,
 969                                TreeInfo *ti)
 970 {
 971   int i;
 972   char buffer[SCR_FIELDX * 2];
 973   int max_buffer_len = (SCR_FIELDX - 2) * 2;
 974   int num_entries = numTreeInfoInGroup(ti);
 975   char *title_string = NULL;
 976   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
 977
 978   ClearRectangle(backbuffer, SX, SY, SXSIZE - 32, SYSIZE);
 979   redraw_mask |= REDRAW_FIELD;
 980
 981   title_string =
 982     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
 983      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
 984      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
 985      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
 986
 987   DrawText(SX + offset, SY + offset, title_string, FS_BIG,
 988            (ti->type == TREE_TYPE_LEVEL_DIR ? FC_GREEN : FC_YELLOW));
 989
 990   for(i=0; i<num_page_entries; i++)
 991   {
 992     TreeInfo *node, *node_first;
 993     int entry_pos = first_entry + i;
 994     int ypos = MENU_SCREEN_START_YPOS + i;
 995
 996     node_first = getTreeInfoFirstGroupEntry(ti);
 997     node = getTreeInfoFromPos(node_first, entry_pos);
 998
 999     strncpy(buffer, node->name , max_buffer_len);
1000     buffer[max_buffer_len] = '\0';
1001
1002     DrawText(SX + 32, SY + ypos * 32, buffer, FS_MEDIUM, node->color);
1003
1004     if (node->parent_link)
1005       initCursor(i, IMG_ARROW_BLUE_LEFT);
1006     else if (node->level_group)
1007       initCursor(i, IMG_ARROW_BLUE_RIGHT);
1008     else
1009       initCursor(i, IMG_BALL_BLUE);
1010   }
1011
1012   if (first_entry > 0)
1013     DrawGraphic(0, 1, IMG_ARROW_BLUE_UP, 0);
1014
1015   if (first_entry + num_page_entries < num_entries)
1016     DrawGraphic(0, MAX_MENU_ENTRIES_ON_SCREEN + 1, IMG_ARROW_BLUE_DOWN, 0);
1017 }
1018
1019 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1020 {
1021   TreeInfo *node, *node_first;
1022   int x, last_redraw_mask = redraw_mask;
1023
1024   if (ti->type != TREE_TYPE_LEVEL_DIR)
1025     return;
1026
1027   node_first = getTreeInfoFirstGroupEntry(ti);
1028   node = getTreeInfoFromPos(node_first, entry_pos);
1029
1030   ClearRectangle(drawto, SX + 32, SY + 32, SXSIZE - 64, 32);
1031
1032   if (node->parent_link)
1033     DrawTextFCentered(40, FC_RED, "leave group \"%s\"", node->class_desc);
1034   else if (node->level_group)
1035     DrawTextFCentered(40, FC_RED, "enter group \"%s\"", node->class_desc);
1036   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1037     DrawTextFCentered(40, FC_RED, "%3d levels (%s)",
1038                       node->levels, node->class_desc);
1039
1040   /* let BackToFront() redraw only what is needed */
1041   redraw_mask = last_redraw_mask | REDRAW_TILES;
1042   for (x=0; x<SCR_FIELDX; x++)
1043     MarkTileDirty(x, 1);
1044 }
1045
1046 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1047                              TreeInfo **ti_ptr)
1048 {
1049   static unsigned long choose_delay = 0;
1050   TreeInfo *ti = *ti_ptr;
1051   int x = 0;
1052   int y = ti->cl_cursor;
1053   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1054   int num_entries = numTreeInfoInGroup(ti);
1055   int num_page_entries;
1056
1057   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1058     num_page_entries = num_entries;
1059   else
1060     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1061
1062   if (button == MB_MENU_INITIALIZE)
1063   {
1064     int entry_pos = posTreeInfo(ti);
1065
1066     if (ti->cl_first == -1)
1067     {
1068       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1069       ti->cl_cursor =
1070         entry_pos - ti->cl_first;
1071     }
1072
1073     if (dx == 999)      /* first entry is set by scrollbar position */
1074       ti->cl_first = dy;
1075     else
1076       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1077                                 ti->cl_first, ti);
1078
1079     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1080     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1081     drawCursor(ti->cl_cursor, FC_RED);
1082     return;
1083   }
1084   else if (button == MB_MENU_LEAVE)
1085   {
1086     if (ti->node_parent)
1087     {
1088       *ti_ptr = ti->node_parent;
1089       DrawChooseTree(ti_ptr);
1090     }
1091     else if (game_status == SETUP)
1092     {
1093       execSetupArtwork();
1094     }
1095     else
1096     {
1097       game_status = MAINMENU;
1098       DrawMainMenu();
1099     }
1100
1101     return;
1102   }
1103
1104   if (mx || my)         /* mouse input */
1105   {
1106     x = (mx - SX) / 32;
1107     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1108   }
1109   else if (dx || dy)    /* keyboard input */
1110   {
1111     if (dy)
1112       y = ti->cl_cursor + dy;
1113
1114     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1115     {
1116       dy = SIGN(dy);
1117       step = num_page_entries - 1;
1118       y = (dy < 0 ? -1 : num_page_entries);
1119     }
1120   }
1121
1122   if (x == 0 && y == -1)
1123   {
1124     if (ti->cl_first > 0 &&
1125         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1126     {
1127       ti->cl_first -= step;
1128       if (ti->cl_first < 0)
1129         ti->cl_first = 0;
1130
1131       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1132       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1133       drawCursor(ti->cl_cursor, FC_RED);
1134       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1135                                 ti->cl_first, ti);
1136       return;
1137     }
1138   }
1139   else if (x == 0 && y > num_page_entries - 1)
1140   {
1141     if (ti->cl_first + num_page_entries < num_entries &&
1142         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1143     {
1144       ti->cl_first += step;
1145       if (ti->cl_first + num_page_entries > num_entries)
1146         ti->cl_first = MAX(0, num_entries - num_page_entries);
1147
1148       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1149       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1150       drawCursor(ti->cl_cursor, FC_RED);
1151       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1152                                 ti->cl_first, ti);
1153       return;
1154     }
1155   }
1156
1157   if (dx == 1)
1158   {
1159     TreeInfo *node_first, *node_cursor;
1160     int entry_pos = ti->cl_first + y;
1161
1162     node_first = getTreeInfoFirstGroupEntry(ti);
1163     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1164
1165     if (node_cursor->node_group)
1166     {
1167       node_cursor->cl_first = ti->cl_first;
1168       node_cursor->cl_cursor = ti->cl_cursor;
1169       *ti_ptr = node_cursor->node_group;
1170       DrawChooseTree(ti_ptr);
1171       return;
1172     }
1173   }
1174   else if (dx == -1 && ti->node_parent)
1175   {
1176     *ti_ptr = ti->node_parent;
1177     DrawChooseTree(ti_ptr);
1178     return;
1179   }
1180
1181   if (x == 0 && y >= 0 && y < num_page_entries)
1182   {
1183     if (button)
1184     {
1185       if (y != ti->cl_cursor)
1186       {
1187         drawCursor(y, FC_RED);
1188         drawCursor(ti->cl_cursor, FC_BLUE);
1189         drawChooseTreeInfo(ti->cl_first + y, ti);
1190         ti->cl_cursor = y;
1191       }
1192     }
1193     else
1194     {
1195       TreeInfo *node_first, *node_cursor;
1196       int entry_pos = ti->cl_first + y;
1197
1198       node_first = getTreeInfoFirstGroupEntry(ti);
1199       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1200
1201       if (node_cursor->node_group)
1202       {
1203         node_cursor->cl_first = ti->cl_first;
1204         node_cursor->cl_cursor = ti->cl_cursor;
1205         *ti_ptr = node_cursor->node_group;
1206         DrawChooseTree(ti_ptr);
1207       }
1208       else if (node_cursor->parent_link)
1209       {
1210         *ti_ptr = node_cursor->node_parent;
1211         DrawChooseTree(ti_ptr);
1212       }
1213       else
1214       {
1215         node_cursor->cl_first = ti->cl_first;
1216         node_cursor->cl_cursor = ti->cl_cursor;
1217         *ti_ptr = node_cursor;
1218
1219         if (ti->type == TREE_TYPE_LEVEL_DIR)
1220         {
1221           LoadLevelSetup_SeriesInfo();
1222
1223           SaveLevelSetup_LastSeries();
1224           SaveLevelSetup_SeriesInfo();
1225           TapeErase();
1226         }
1227
1228         if (game_status == SETUP)
1229         {
1230           execSetupArtwork();
1231         }
1232         else
1233         {
1234           game_status = MAINMENU;
1235           DrawMainMenu();
1236         }
1237       }
1238     }
1239   }
1240
1241   BackToFront();
1242
1243   if (game_status == CHOOSELEVEL || game_status == SETUP)
1244     DoAnimation();
1245 }
1246
1247 void DrawChooseLevel()
1248 {
1249   DrawChooseTree(&leveldir_current);
1250 }
1251
1252 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1253 {
1254   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1255 }
1256
1257 void DrawHallOfFame(int highlight_position)
1258 {
1259   UnmapAllGadgets();
1260   FadeSounds();
1261   CloseDoor(DOOR_CLOSE_2);
1262
1263   if (highlight_position < 0)
1264     LoadScore(level_nr);
1265
1266   FadeToFront();
1267   InitAnimation();
1268   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1269   PlaySound(SND_MENU_HALL_OF_FAME);
1270 }
1271
1272 static void drawHallOfFameList(int first_entry, int highlight_position)
1273 {
1274   int i;
1275
1276   ClearWindow();
1277   DrawText(SX + 80, SY + 8, "Hall Of Fame", FS_BIG, FC_YELLOW);
1278   DrawTextFCentered(46, FC_RED, "HighScores of Level %d", level_nr);
1279
1280   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1281   {
1282     int entry = first_entry + i;
1283     int color = (entry == highlight_position ? FC_RED : FC_GREEN);
1284
1285 #if 0
1286     DrawText(SX, SY + 64 + i * 32, ".................", FS_BIG, color);
1287     DrawText(SX, SY + 64 + i * 32, highscore[i].Name, FS_BIG, color);
1288     DrawText(SX + 12 * 32, SY + 64 + i * 32,
1289              int2str(highscore[i].Score, 5), FS_BIG, color);
1290 #else
1291     DrawText(SX, SY + 64 + i * 32, "..................................",
1292              FS_MEDIUM, FC_YELLOW);
1293     DrawText(SX, SY + 64 + i * 32, int2str(entry + 1, 3),
1294              FS_MEDIUM, FC_YELLOW);
1295     DrawText(SX + 64, SY + 64 + i * 32, highscore[entry].Name, FS_BIG, color);
1296     DrawText(SX + 14 * 32 + 16, SY + 64 + i * 32,
1297              int2str(highscore[entry].Score, 5), FS_MEDIUM, color);
1298 #endif
1299   }
1300 }
1301
1302 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1303 {
1304   static int first_entry = 0;
1305   static int highlight_position = 0;
1306   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1307   int button_released = !button;
1308
1309   if (button == MB_MENU_INITIALIZE)
1310   {
1311     first_entry = 0;
1312     highlight_position = mx;
1313     drawHallOfFameList(first_entry, highlight_position);
1314     return;
1315   }
1316
1317   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1318     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1319
1320   if (dy < 0)
1321   {
1322     if (first_entry > 0)
1323     {
1324       first_entry -= step;
1325       if (first_entry < 0)
1326         first_entry = 0;
1327
1328       drawHallOfFameList(first_entry, highlight_position);
1329       return;
1330     }
1331   }
1332   else if (dy > 0)
1333   {
1334     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1335     {
1336       first_entry += step;
1337       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1338         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1339
1340       drawHallOfFameList(first_entry, highlight_position);
1341       return;
1342     }
1343   }
1344
1345   if (button_released)
1346   {
1347     FadeSound(SND_MENU_HALL_OF_FAME);
1348     game_status = MAINMENU;
1349     DrawMainMenu();
1350   }
1351
1352   BackToFront();
1353
1354   if (game_status == HALLOFFAME)
1355     DoAnimation();
1356 }
1357
1358
1359 /* ========================================================================= */
1360 /* setup screen functions                                                    */
1361 /* ========================================================================= */
1362
1363 static struct TokenInfo *setup_info;
1364 static int num_setup_info;
1365
1366 static char *graphics_set_name;
1367 static char *sounds_set_name;
1368 static char *music_set_name;
1369
1370 static void execSetupMain()
1371 {
1372   setup_mode = SETUP_MODE_MAIN;
1373   DrawSetupScreen();
1374 }
1375
1376 static void execSetupGame()
1377 {
1378   setup_mode = SETUP_MODE_GAME;
1379   DrawSetupScreen();
1380 }
1381
1382 static void execSetupGraphics()
1383 {
1384   setup_mode = SETUP_MODE_GRAPHICS;
1385   DrawSetupScreen();
1386 }
1387
1388 static void execSetupSound()
1389 {
1390   setup_mode = SETUP_MODE_SOUND;
1391   DrawSetupScreen();
1392 }
1393
1394 static void execSetupArtwork()
1395 {
1396   /* needed if last screen (setup choice) changed graphics, sounds or music */
1397   ReloadCustomArtwork();
1398
1399   setup.graphics_set = artwork.gfx_current->identifier;
1400   setup.sounds_set = artwork.snd_current->identifier;
1401   setup.music_set = artwork.mus_current->identifier;
1402
1403   /* needed for displaying artwork name instead of artwork identifier */
1404   graphics_set_name = artwork.gfx_current->name;
1405   sounds_set_name = artwork.snd_current->name;
1406   music_set_name = artwork.mus_current->name;
1407
1408   setup_mode = SETUP_MODE_ARTWORK;
1409   DrawSetupScreen();
1410 }
1411
1412 static void execSetupChooseGraphics()
1413 {
1414   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1415   DrawSetupScreen();
1416 }
1417
1418 static void execSetupChooseSounds()
1419 {
1420   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1421   DrawSetupScreen();
1422 }
1423
1424 static void execSetupChooseMusic()
1425 {
1426   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1427   DrawSetupScreen();
1428 }
1429
1430 static void execSetupInput()
1431 {
1432   setup_mode = SETUP_MODE_INPUT;
1433   DrawSetupScreen();
1434 }
1435
1436 static void execSetupShortcut()
1437 {
1438   setup_mode = SETUP_MODE_SHORTCUT;
1439   DrawSetupScreen();
1440 }
1441
1442 static void execExitSetup()
1443 {
1444   game_status = MAINMENU;
1445   DrawMainMenu();
1446 }
1447
1448 static void execSaveAndExitSetup()
1449 {
1450   SaveSetup();
1451   execExitSetup();
1452 }
1453
1454 static struct TokenInfo setup_info_main[] =
1455 {
1456   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1457   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1458   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1459   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1460   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1461   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1462   { TYPE_EMPTY,         NULL,                   ""                      },
1463   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1464   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and exit"         },
1465   { 0,                  NULL,                   NULL                    }
1466 };
1467
1468 static struct TokenInfo setup_info_game[] =
1469 {
1470   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1471   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1472   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1473   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1474   { TYPE_EMPTY,         NULL,                   ""                      },
1475   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1476   { 0,                  NULL,                   NULL                    }
1477 };
1478
1479 static struct TokenInfo setup_info_graphics[] =
1480 {
1481   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1482   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1483   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1484 #if 0
1485   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1486   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1487 #endif
1488   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1489   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1490   { TYPE_EMPTY,         NULL,                   ""                      },
1491   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1492   { 0,                  NULL,                   NULL                    }
1493 };
1494
1495 static struct TokenInfo setup_info_sound[] =
1496 {
1497   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1498   { TYPE_EMPTY,         NULL,                   ""                      },
1499   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1500   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1501   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1502   { TYPE_EMPTY,         NULL,                   ""                      },
1503   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1504   { 0,                  NULL,                   NULL                    }
1505 };
1506
1507 static struct TokenInfo setup_info_artwork[] =
1508 {
1509   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1510   { TYPE_STRING,        &graphics_set_name,     ""                      },
1511   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1512   { TYPE_STRING,        &sounds_set_name,       ""                      },
1513   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1514   { TYPE_STRING,        &music_set_name,        ""                      },
1515   { TYPE_EMPTY,         NULL,                   ""                      },
1516   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1517   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1518   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1519   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1520   { TYPE_EMPTY,         NULL,                   ""                      },
1521   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1522   { 0,                  NULL,                   NULL                    }
1523 };
1524
1525 static struct TokenInfo setup_info_shortcut[] =
1526 {
1527   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1528   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1529   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1530   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1531   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1532   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1533   { TYPE_EMPTY,         NULL,                   ""                      },
1534   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1535   { TYPE_EMPTY,         NULL,                   ""                      },
1536   { TYPE_LEAVE_MENU,    execSetupMain,          "Exit"                  },
1537   { 0,                  NULL,                   NULL                    }
1538 };
1539
1540 static Key getSetupKey()
1541 {
1542   Key key = KSYM_UNDEFINED;
1543   boolean got_key_event = FALSE;
1544
1545   while (!got_key_event)
1546   {
1547     if (PendingEvent())         /* got event */
1548     {
1549       Event event;
1550
1551       NextEvent(&event);
1552
1553       switch(event.type)
1554       {
1555         case EVENT_KEYPRESS:
1556           {
1557             key = GetEventKey((KeyEvent *)&event, TRUE);
1558
1559             /* press 'Escape' or 'Enter' to keep the existing key binding */
1560             if (key == KSYM_Escape || key == KSYM_Return)
1561               key = KSYM_UNDEFINED;     /* keep old value */
1562
1563             got_key_event = TRUE;
1564           }
1565           break;
1566
1567         case EVENT_KEYRELEASE:
1568           key_joystick_mapping = 0;
1569           break;
1570
1571         default:
1572           HandleOtherEvents(&event);
1573           break;
1574       }
1575     }
1576
1577     BackToFront();
1578     DoAnimation();
1579
1580     /* don't eat all CPU time */
1581     Delay(10);
1582   }
1583
1584   return key;
1585 }
1586
1587 static void drawSetupValue(int pos)
1588 {
1589   int xpos = MENU_SCREEN_VALUE_XPOS;
1590   int ypos = MENU_SCREEN_START_YPOS + pos;
1591   int font_size = FS_BIG;
1592   int font_color = FC_YELLOW;
1593   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1594                                      setup_info[pos].value);
1595
1596   if (value_string == NULL)
1597     return;
1598
1599   if (setup_info[pos].type & TYPE_KEY)
1600   {
1601     xpos = 3;
1602
1603     if (setup_info[pos].type & TYPE_QUERY)
1604     {
1605       value_string = "<press key>";
1606       font_color = FC_RED;
1607     }
1608   }
1609   else if (setup_info[pos].type & TYPE_STRING)
1610   {
1611     int max_value_len = (SCR_FIELDX - 2) * 2;
1612
1613     xpos = 1;
1614     font_size = FS_MEDIUM;
1615
1616     if (strlen(value_string) > max_value_len)
1617       value_string[max_value_len] = '\0';
1618   }
1619   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
1620            !*(boolean *)(setup_info[pos].value))
1621     font_color = FC_BLUE;
1622
1623   DrawText(SX + xpos * 32, SY + ypos * 32,
1624            (xpos == 3 ? "              " : "   "), FS_BIG, FC_YELLOW);
1625   DrawText(SX + xpos * 32, SY + ypos * 32, value_string, font_size,font_color);
1626 }
1627
1628 static void changeSetupValue(int pos)
1629 {
1630   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1631   {
1632     *(boolean *)setup_info[pos].value ^= TRUE;
1633   }
1634   else if (setup_info[pos].type & TYPE_KEY)
1635   {
1636     Key key;
1637
1638     setup_info[pos].type |= TYPE_QUERY;
1639     drawSetupValue(pos);
1640     setup_info[pos].type &= ~TYPE_QUERY;
1641
1642     key = getSetupKey();
1643     if (key != KSYM_UNDEFINED)
1644       *(Key *)setup_info[pos].value = key;
1645   }
1646
1647   drawSetupValue(pos);
1648 }
1649
1650 static void DrawSetupScreen_Generic()
1651 {
1652   char *title_string = NULL;
1653   int i;
1654
1655   UnmapAllGadgets();
1656   CloseDoor(DOOR_CLOSE_2);
1657   ClearWindow();
1658
1659   if (setup_mode == SETUP_MODE_MAIN)
1660   {
1661     setup_info = setup_info_main;
1662     title_string = "Setup";
1663   }
1664   else if (setup_mode == SETUP_MODE_GAME)
1665   {
1666     setup_info = setup_info_game;
1667     title_string = "Setup Game";
1668   }
1669   else if (setup_mode == SETUP_MODE_GRAPHICS)
1670   {
1671     setup_info = setup_info_graphics;
1672     title_string = "Setup Graphics";
1673   }
1674   else if (setup_mode == SETUP_MODE_SOUND)
1675   {
1676     setup_info = setup_info_sound;
1677     title_string = "Setup Sound";
1678   }
1679   else if (setup_mode == SETUP_MODE_ARTWORK)
1680   {
1681     setup_info = setup_info_artwork;
1682     title_string = "Custom Artwork";
1683   }
1684   else if (setup_mode == SETUP_MODE_SHORTCUT)
1685   {
1686     setup_info = setup_info_shortcut;
1687     title_string = "Setup Shortcuts";
1688   }
1689
1690   DrawText(SX + 16, SY + 16, title_string, FS_BIG, FC_YELLOW);
1691
1692   num_setup_info = 0;
1693   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1694   {
1695     void *value_ptr = setup_info[i].value;
1696     int ypos = MENU_SCREEN_START_YPOS + i;
1697     int font_size = FS_BIG;
1698
1699     /* set some entries to "unchangeable" according to other variables */
1700     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
1701         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
1702         (value_ptr == &setup.sound_music && !audio.music_available) ||
1703         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
1704       setup_info[i].type |= TYPE_GHOSTED;
1705
1706     if (setup_info[i].type & TYPE_STRING)
1707       font_size = FS_MEDIUM;
1708
1709     DrawText(SX + 32, SY + ypos * 32, setup_info[i].text, font_size, FC_GREEN);
1710
1711     if (setup_info[i].type & TYPE_ENTER_MENU)
1712       initCursor(i, IMG_ARROW_BLUE_RIGHT);
1713     else if (setup_info[i].type & TYPE_LEAVE_MENU)
1714       initCursor(i, IMG_ARROW_BLUE_LEFT);
1715     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
1716       initCursor(i, IMG_BALL_BLUE);
1717
1718     if (setup_info[i].type & TYPE_VALUE)
1719       drawSetupValue(i);
1720
1721     num_setup_info++;
1722   }
1723
1724   FadeToFront();
1725   InitAnimation();
1726   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
1727 }
1728
1729 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
1730 {
1731   static int choice_store[MAX_SETUP_MODES];
1732   int choice = choice_store[setup_mode];
1733   int x = 0;
1734   int y = choice;
1735
1736   if (button == MB_MENU_INITIALIZE)
1737   {
1738     drawCursor(choice, FC_RED);
1739     return;
1740   }
1741   else if (button == MB_MENU_LEAVE)
1742   {
1743     for (y=0; y<num_setup_info; y++)
1744     {
1745       if (setup_info[y].type & TYPE_LEAVE_MENU)
1746       {
1747         void (*menu_callback_function)(void) = setup_info[y].value;
1748
1749         menu_callback_function();
1750         break;  /* absolutely needed because function changes 'setup_info'! */
1751       }
1752     }
1753
1754     return;
1755   }
1756
1757   if (mx || my)         /* mouse input */
1758   {
1759     x = (mx - SX) / 32;
1760     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1761   }
1762   else if (dx || dy)    /* keyboard input */
1763   {
1764     if (dx)
1765     {
1766       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
1767
1768       if ((setup_info[choice].type & menu_navigation_type) ||
1769           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
1770         button = MB_MENU_CHOICE;
1771     }
1772     else if (dy)
1773       y = choice + dy;
1774
1775     /* jump to next non-empty menu entry (up or down) */
1776     while (y > 0 && y < num_setup_info - 1 &&
1777            (setup_info[y].type & TYPE_SKIP_ENTRY))
1778       y += dy;
1779   }
1780
1781   if (x == 0 && y >= 0 && y < num_setup_info &&
1782       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
1783   {
1784     if (button)
1785     {
1786       if (y != choice)
1787       {
1788         drawCursor(y, FC_RED);
1789         drawCursor(choice, FC_BLUE);
1790         choice = choice_store[setup_mode] = y;
1791       }
1792     }
1793     else if (!(setup_info[y].type & TYPE_GHOSTED))
1794     {
1795       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
1796       {
1797         void (*menu_callback_function)(void) = setup_info[choice].value;
1798
1799         menu_callback_function();
1800       }
1801       else
1802       {
1803         if ((setup_info[y].type & TYPE_KEYTEXT) &&
1804             (setup_info[y + 1].type & TYPE_KEY))
1805           y++;
1806
1807         if (setup_info[y].type & TYPE_VALUE)
1808           changeSetupValue(y);
1809       }
1810     }
1811   }
1812
1813   BackToFront();
1814
1815   if (game_status == SETUP)
1816     DoAnimation();
1817 }
1818
1819 void DrawSetupScreen_Input()
1820 {
1821   ClearWindow();
1822   DrawText(SX+16, SY+16, "Setup Input", FS_BIG, FC_YELLOW);
1823
1824   initCursor(0, IMG_BALL_BLUE);
1825   initCursor(1, IMG_BALL_BLUE);
1826   initCursor(2, IMG_ARROW_BLUE_RIGHT);
1827   initCursor(13, IMG_ARROW_BLUE_LEFT);
1828
1829   DrawGraphic(10, MENU_SCREEN_START_YPOS, IMG_ARROW_BLUE_LEFT, 0);
1830   DrawGraphic(12, MENU_SCREEN_START_YPOS, IMG_ARROW_BLUE_RIGHT, 0);
1831
1832   DrawText(SX+32, SY+2*32, "Player:", FS_BIG, FC_GREEN);
1833   DrawText(SX+32, SY+3*32, "Device:", FS_BIG, FC_GREEN);
1834   DrawText(SX+32, SY+15*32, "Exit", FS_BIG, FC_GREEN);
1835
1836 #if 0
1837   DeactivateJoystickForCalibration();
1838   DrawTextFCentered(SYSIZE - 20, FC_BLUE,
1839                     "Joysticks deactivated on this screen");
1840 #endif
1841
1842   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
1843   FadeToFront();
1844   InitAnimation();
1845 }
1846
1847 static void setJoystickDeviceToNr(char *device_name, int device_nr)
1848 {
1849   if (device_name == NULL)
1850     return;
1851
1852   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
1853     device_nr = 0;
1854
1855   if (strlen(device_name) > 1)
1856   {
1857     char c1 = device_name[strlen(device_name) - 1];
1858     char c2 = device_name[strlen(device_name) - 2];
1859
1860     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
1861       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
1862   }
1863   else
1864     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
1865             strlen(device_name));
1866 }
1867
1868 static void drawPlayerSetupInputInfo(int player_nr)
1869 {
1870   int i;
1871   static struct SetupKeyboardInfo custom_key;
1872   static struct
1873   {
1874     Key *key;
1875     char *text;
1876   } custom[] =
1877   {
1878     { &custom_key.left,  "Joystick Left"  },
1879     { &custom_key.right, "Joystick Right" },
1880     { &custom_key.up,    "Joystick Up"    },
1881     { &custom_key.down,  "Joystick Down"  },
1882     { &custom_key.snap,  "Button 1"       },
1883     { &custom_key.bomb,  "Button 2"       }
1884   };
1885   static char *joystick_name[MAX_PLAYERS] =
1886   {
1887     "Joystick1",
1888     "Joystick2",
1889     "Joystick3",
1890     "Joystick4"
1891   };
1892
1893   custom_key = setup.input[player_nr].key;
1894
1895   DrawText(SX+11*32, SY+2*32, int2str(player_nr + 1, 1), FS_BIG, FC_RED);
1896   DrawGraphic(8, 2, PLAYER_NR_GFX(IMG_PLAYER1, player_nr), 0);
1897
1898   if (setup.input[player_nr].use_joystick)
1899   {
1900     char *device_name = setup.input[player_nr].joy.device_name;
1901
1902     DrawText(SX+8*32, SY+3*32,
1903              joystick_name[getJoystickNrFromDeviceName(device_name)],
1904              FS_BIG, FC_YELLOW);
1905     DrawText(SX+32, SY+4*32, "Calibrate", FS_BIG, FC_GREEN);
1906   }
1907   else
1908   {
1909     DrawText(SX+8*32, SY+3*32, "Keyboard ", FS_BIG, FC_YELLOW);
1910     DrawText(SX+32, SY+4*32, "Customize", FS_BIG, FC_GREEN);
1911   }
1912
1913   DrawText(SX+32, SY+5*32, "Actual Settings:", FS_BIG, FC_GREEN);
1914   DrawGraphic(1, 6, IMG_ARROW_BLUE_LEFT, 0);
1915   DrawGraphic(1, 7, IMG_ARROW_BLUE_RIGHT, 0);
1916   DrawGraphic(1, 8, IMG_ARROW_BLUE_UP, 0);
1917   DrawGraphic(1, 9, IMG_ARROW_BLUE_DOWN, 0);
1918   DrawText(SX+2*32, SY+6*32, ":", FS_BIG, FC_BLUE);
1919   DrawText(SX+2*32, SY+7*32, ":", FS_BIG, FC_BLUE);
1920   DrawText(SX+2*32, SY+8*32, ":", FS_BIG, FC_BLUE);
1921   DrawText(SX+2*32, SY+9*32, ":", FS_BIG, FC_BLUE);
1922   DrawText(SX+32, SY+10*32, "Snap Field:", FS_BIG, FC_BLUE);
1923   DrawText(SX+32, SY+12*32, "Place Bomb:", FS_BIG, FC_BLUE);
1924
1925   for (i=0; i<6; i++)
1926   {
1927     int ypos = 6 + i + (i > 3 ? i-3 : 0);
1928
1929     DrawText(SX + 3*32, SY + ypos*32,
1930              "              ", FS_BIG, FC_YELLOW);
1931     DrawText(SX + 3*32, SY + ypos*32,
1932              (setup.input[player_nr].use_joystick ?
1933               custom[i].text :
1934               getKeyNameFromKey(*custom[i].key)),
1935              FS_BIG, FC_YELLOW);
1936   }
1937 }
1938
1939 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
1940 {
1941   static int choice = 0;
1942   static int player_nr = 0;
1943   int x = 0;
1944   int y = choice;
1945   int pos_start  = SETUPINPUT_SCREEN_POS_START;
1946   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
1947   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
1948   int pos_end    = SETUPINPUT_SCREEN_POS_END;
1949
1950   if (button == MB_MENU_INITIALIZE)
1951   {
1952     drawPlayerSetupInputInfo(player_nr);
1953     drawCursor(choice, FC_RED);
1954     return;
1955   }
1956   else if (button == MB_MENU_LEAVE)
1957   {
1958     setup_mode = SETUP_MODE_MAIN;
1959     DrawSetupScreen();
1960     InitJoysticks();
1961   }
1962
1963   if (mx || my)         /* mouse input */
1964   {
1965     x = (mx - SX) / 32;
1966     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1967   }
1968   else if (dx || dy)    /* keyboard input */
1969   {
1970     if (dx && choice == 0)
1971       x = (dx < 0 ? 10 : 12);
1972     else if ((dx && choice == 1) ||
1973              (dx == +1 && choice == 2) ||
1974              (dx == -1 && choice == pos_end))
1975       button = MB_MENU_CHOICE;
1976     else if (dy)
1977       y = choice + dy;
1978
1979     if (y >= pos_empty1 && y <= pos_empty2)
1980       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
1981   }
1982
1983   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
1984   {
1985     static unsigned long delay = 0;
1986
1987     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
1988       goto out;
1989
1990     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
1991
1992     drawPlayerSetupInputInfo(player_nr);
1993   }
1994   else if (x == 0 && y >= pos_start && y <= pos_end &&
1995            !(y >= pos_empty1 && y <= pos_empty2))
1996   {
1997     if (button)
1998     {
1999       if (y != choice)
2000       {
2001         drawCursor(y, FC_RED);
2002         drawCursor(choice, FC_BLUE);
2003         choice = y;
2004       }
2005     }
2006     else
2007     {
2008       if (y == 1)
2009       {
2010         char *device_name = setup.input[player_nr].joy.device_name;
2011
2012         if (!setup.input[player_nr].use_joystick)
2013         {
2014           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2015
2016           setJoystickDeviceToNr(device_name, new_device_nr);
2017           setup.input[player_nr].use_joystick = TRUE;
2018         }
2019         else
2020         {
2021           int device_nr = getJoystickNrFromDeviceName(device_name);
2022           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2023
2024           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2025             setup.input[player_nr].use_joystick = FALSE;
2026           else
2027             setJoystickDeviceToNr(device_name, new_device_nr);
2028         }
2029
2030         drawPlayerSetupInputInfo(player_nr);
2031       }
2032       else if (y == 2)
2033       {
2034         if (setup.input[player_nr].use_joystick)
2035         {
2036           InitJoysticks();
2037           CalibrateJoystick(player_nr);
2038         }
2039         else
2040           CustomizeKeyboard(player_nr);
2041       }
2042       else if (y == pos_end)
2043       {
2044         InitJoysticks();
2045
2046         setup_mode = SETUP_MODE_MAIN;
2047         DrawSetupScreen();
2048       }
2049     }
2050   }
2051
2052   BackToFront();
2053
2054   out:
2055
2056   if (game_status == SETUP)
2057     DoAnimation();
2058 }
2059
2060 void CustomizeKeyboard(int player_nr)
2061 {
2062   int i;
2063   int step_nr;
2064   boolean finished = FALSE;
2065   static struct SetupKeyboardInfo custom_key;
2066   static struct
2067   {
2068     Key *key;
2069     char *text;
2070   } customize_step[] =
2071   {
2072     { &custom_key.left,  "Move Left"  },
2073     { &custom_key.right, "Move Right" },
2074     { &custom_key.up,    "Move Up"    },
2075     { &custom_key.down,  "Move Down"  },
2076     { &custom_key.snap,  "Snap Field" },
2077     { &custom_key.bomb,  "Place Bomb" }
2078   };
2079
2080   /* read existing key bindings from player setup */
2081   custom_key = setup.input[player_nr].key;
2082
2083   ClearWindow();
2084   DrawText(SX + 16, SY + 16, "Keyboard Input", FS_BIG, FC_YELLOW);
2085
2086   BackToFront();
2087   InitAnimation();
2088
2089   step_nr = 0;
2090   DrawText(SX, SY + (2+2*step_nr)*32,
2091            customize_step[step_nr].text, FS_BIG, FC_RED);
2092   DrawText(SX, SY + (2+2*step_nr+1)*32,
2093            "Key:", FS_BIG, FC_RED);
2094   DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2095            getKeyNameFromKey(*customize_step[step_nr].key),
2096            FS_BIG, FC_BLUE);
2097
2098   while(!finished)
2099   {
2100     if (PendingEvent())         /* got event */
2101     {
2102       Event event;
2103
2104       NextEvent(&event);
2105
2106       switch(event.type)
2107       {
2108         case EVENT_KEYPRESS:
2109           {
2110             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2111
2112             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2113             {
2114               finished = TRUE;
2115               break;
2116             }
2117
2118             /* all keys configured -- wait for "Escape" or "Return" key */
2119             if (step_nr == 6)
2120               break;
2121
2122             /* press 'Enter' to keep the existing key binding */
2123             if (key == KSYM_Return)
2124               key = *customize_step[step_nr].key;
2125
2126             /* check if key already used */
2127             for (i=0; i<step_nr; i++)
2128               if (*customize_step[i].key == key)
2129                 break;
2130             if (i < step_nr)
2131               break;
2132
2133             /* got new key binding */
2134             *customize_step[step_nr].key = key;
2135             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2136                      "             ", FS_BIG, FC_YELLOW);
2137             DrawText(SX + 4*32, SY + (2+2*step_nr+1)*32,
2138                      getKeyNameFromKey(key), FS_BIG, FC_YELLOW);
2139             step_nr++;
2140
2141             /* un-highlight last query */
2142             DrawText(SX, SY+(2+2*(step_nr-1))*32,
2143                      customize_step[step_nr-1].text, FS_BIG, FC_GREEN);
2144             DrawText(SX, SY+(2+2*(step_nr-1)+1)*32,
2145                      "Key:", FS_BIG, FC_GREEN);
2146
2147             /* press 'Enter' to leave */
2148             if (step_nr == 6)
2149             {
2150               DrawText(SX + 16, SY + 15*32+16,
2151                        "Press Enter", FS_BIG, FC_YELLOW);
2152               break;
2153             }
2154
2155             /* query next key binding */
2156             DrawText(SX, SY+(2+2*step_nr)*32,
2157                      customize_step[step_nr].text, FS_BIG, FC_RED);
2158             DrawText(SX, SY+(2+2*step_nr+1)*32,
2159                      "Key:", FS_BIG, FC_RED);
2160             DrawText(SX + 4*32, SY+(2+2*step_nr+1)*32,
2161                      getKeyNameFromKey(*customize_step[step_nr].key),
2162                      FS_BIG, FC_BLUE);
2163           }
2164           break;
2165
2166         case EVENT_KEYRELEASE:
2167           key_joystick_mapping = 0;
2168           break;
2169
2170         default:
2171           HandleOtherEvents(&event);
2172           break;
2173       }
2174     }
2175
2176     BackToFront();
2177     DoAnimation();
2178
2179     /* don't eat all CPU time */
2180     Delay(10);
2181   }
2182
2183   /* write new key bindings back to player setup */
2184   setup.input[player_nr].key = custom_key;
2185
2186   StopAnimation();
2187   DrawSetupScreen_Input();
2188 }
2189
2190 static boolean CalibrateJoystickMain(int player_nr)
2191 {
2192   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2193   int new_joystick_xright = JOYSTICK_XMIDDLE;
2194   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2195   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2196   int new_joystick_xmiddle, new_joystick_ymiddle;
2197
2198   int joystick_fd = joystick.fd[player_nr];
2199   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2200   boolean check[3][3];
2201   int check_remaining = 3 * 3;
2202   int joy_x, joy_y;
2203   int joy_value;
2204   int result = -1;
2205
2206   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2207     return FALSE;
2208
2209   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2210     return FALSE;
2211
2212   ClearWindow();
2213
2214   for(y=0; y<3; y++)
2215   {
2216     for(x=0; x<3; x++)
2217     {
2218       check[x][y] = FALSE;
2219       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_BALL_BLUE, 0);
2220     }
2221   }
2222
2223   DrawText(SX,      SY +  6 * 32, " ROTATE JOYSTICK ", FS_BIG, FC_YELLOW);
2224   DrawText(SX,      SY +  7 * 32, "IN ALL DIRECTIONS", FS_BIG, FC_YELLOW);
2225   DrawText(SX + 16, SY +  9 * 32, "  IF ALL BALLS  ",  FS_BIG, FC_YELLOW);
2226   DrawText(SX,      SY + 10 * 32, "   ARE YELLOW,   ", FS_BIG, FC_YELLOW);
2227   DrawText(SX,      SY + 11 * 32, " CENTER JOYSTICK ", FS_BIG, FC_YELLOW);
2228   DrawText(SX,      SY + 12 * 32, "       AND       ", FS_BIG, FC_YELLOW);
2229   DrawText(SX,      SY + 13 * 32, "PRESS ANY BUTTON!", FS_BIG, FC_YELLOW);
2230
2231   joy_value = Joystick(player_nr);
2232   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2233   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2234
2235   /* eventually uncalibrated center position (joystick could be uncentered) */
2236   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2237     return FALSE;
2238
2239   new_joystick_xmiddle = joy_x;
2240   new_joystick_ymiddle = joy_y;
2241
2242   DrawGraphic(xpos + last_x, ypos + last_y, IMG_BALL_RED, 0);
2243   BackToFront();
2244
2245   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2246   InitAnimation();
2247
2248   while(result < 0)
2249   {
2250     if (PendingEvent())         /* got event */
2251     {
2252       Event event;
2253
2254       NextEvent(&event);
2255
2256       switch(event.type)
2257       {
2258         case EVENT_KEYPRESS:
2259           switch(GetEventKey((KeyEvent *)&event, TRUE))
2260           {
2261             case KSYM_Return:
2262               if (check_remaining == 0)
2263                 result = 1;
2264               break;
2265
2266             case KSYM_Escape:
2267               result = 0;
2268               break;
2269
2270             default:
2271               break;
2272           }
2273           break;
2274
2275         case EVENT_KEYRELEASE:
2276           key_joystick_mapping = 0;
2277           break;
2278
2279         default:
2280           HandleOtherEvents(&event);
2281           break;
2282       }
2283     }
2284
2285     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2286       return FALSE;
2287
2288     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2289     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2290     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2291     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2292
2293     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2294     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2295     setup.input[player_nr].joy.xright = new_joystick_xright;
2296     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2297     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2298     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2299
2300     CheckJoystickData();
2301
2302     joy_value = Joystick(player_nr);
2303
2304     if (joy_value & JOY_BUTTON && check_remaining == 0)
2305       result = 1;
2306
2307     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2308     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2309
2310     if (x != last_x || y != last_y)
2311     {
2312       DrawGraphic(xpos + last_x, ypos + last_y, IMG_BALL_YELLOW, 0);
2313       DrawGraphic(xpos + x,      ypos + y,      IMG_BALL_RED, 0);
2314
2315       last_x = x;
2316       last_y = y;
2317
2318       if (check_remaining > 0 && !check[x+1][y+1])
2319       {
2320         check[x+1][y+1] = TRUE;
2321         check_remaining--;
2322       }
2323
2324 #if 0
2325 #ifdef DEBUG
2326       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2327              setup.input[player_nr].joy.xleft,
2328              setup.input[player_nr].joy.xmiddle,
2329              setup.input[player_nr].joy.xright);
2330       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2331              setup.input[player_nr].joy.yupper,
2332              setup.input[player_nr].joy.ymiddle,
2333              setup.input[player_nr].joy.ylower);
2334 #endif
2335 #endif
2336
2337     }
2338
2339     BackToFront();
2340     DoAnimation();
2341
2342     /* don't eat all CPU time */
2343     Delay(10);
2344   }
2345
2346   /* calibrated center position (joystick should now be centered) */
2347   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2348     return FALSE;
2349
2350   new_joystick_xmiddle = joy_x;
2351   new_joystick_ymiddle = joy_y;
2352
2353   StopAnimation();
2354
2355   DrawSetupScreen_Input();
2356
2357   /* wait until the last pressed button was released */
2358   while (Joystick(player_nr) & JOY_BUTTON)
2359   {
2360     if (PendingEvent())         /* got event */
2361     {
2362       Event event;
2363
2364       NextEvent(&event);
2365       HandleOtherEvents(&event);
2366
2367       Delay(10);
2368     }
2369   }
2370
2371   return TRUE;
2372 }
2373
2374 void CalibrateJoystick(int player_nr)
2375 {
2376   if (!CalibrateJoystickMain(player_nr))
2377   {
2378     ClearWindow();
2379
2380     DrawText(SX + 16, SY + 6*32, "  JOYSTICK NOT  ",  FS_BIG, FC_YELLOW);
2381     DrawText(SX,      SY + 7*32, "    AVAILABLE    ", FS_BIG, FC_YELLOW);
2382     BackToFront();
2383     Delay(2000);        /* show error message for two seconds */
2384   }
2385 }
2386
2387 void DrawSetupScreen()
2388 {
2389   DeactivateJoystick();
2390
2391   if (setup_mode == SETUP_MODE_INPUT)
2392     DrawSetupScreen_Input();
2393   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2394     DrawChooseTree(&artwork.gfx_current);
2395   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2396     DrawChooseTree(&artwork.snd_current);
2397   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2398     DrawChooseTree(&artwork.mus_current);
2399   else
2400     DrawSetupScreen_Generic();
2401 }
2402
2403 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2404 {
2405   if (setup_mode == SETUP_MODE_INPUT)
2406     HandleSetupScreen_Input(mx, my, dx, dy, button);
2407   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2408     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2409   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2410     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2411   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2412     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2413   else
2414     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2415 }
2416
2417 void HandleGameActions()
2418 {
2419   if (game_status != PLAYING)
2420     return;
2421
2422   if (local_player->LevelSolved)
2423     GameWon();
2424
2425   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2426     TapeStop();
2427
2428   GameActions();
2429
2430   BackToFront();
2431 }
2432
2433 /* ---------- new screen button stuff -------------------------------------- */
2434
2435 /* graphic position and size values for buttons and scrollbars */
2436 #define SC_SCROLLBUTTON_XSIZE           32
2437 #define SC_SCROLLBUTTON_YSIZE           32
2438
2439 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2440 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2441 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2442 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2443 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2444 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2445 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2446 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2447
2448 #define SC_BORDER_SIZE                  14
2449
2450 static struct
2451 {
2452   int gfx_unpressed, gfx_pressed;
2453   int x, y;
2454   int gadget_id;
2455   char *infotext;
2456 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2457 {
2458   {
2459     IMG_ARROW_BLUE_UP, IMG_ARROW_RED_UP,
2460     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2461     SCREEN_CTRL_ID_SCROLL_UP,
2462     "scroll up"
2463   },
2464   {
2465     IMG_ARROW_BLUE_DOWN, IMG_ARROW_RED_DOWN,
2466     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2467     SCREEN_CTRL_ID_SCROLL_DOWN,
2468     "scroll down"
2469   }
2470 };
2471
2472 static struct
2473 {
2474   int gfx_unpressed, gfx_pressed;
2475   int x, y;
2476   int width, height;
2477   int type;
2478   int gadget_id;
2479   char *infotext;
2480 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2481 {
2482   {
2483     IMG_SCROLLBAR_BLUE, IMG_SCROLLBAR_RED,
2484     SX + SC_SCROLL_VERTICAL_XPOS, SY + SC_SCROLL_VERTICAL_YPOS,
2485     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2486     GD_TYPE_SCROLLBAR_VERTICAL,
2487     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2488     "scroll level series vertically"
2489   }
2490 };
2491
2492 static void CreateScreenScrollbuttons()
2493 {
2494   struct GadgetInfo *gi;
2495   unsigned long event_mask;
2496   int i;
2497
2498   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2499   {
2500     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2501     int gfx_unpressed, gfx_pressed;
2502     int x, y, width, height;
2503     int gd_x1, gd_x2, gd_y1, gd_y2;
2504     int id = scrollbutton_info[i].gadget_id;
2505
2506     x = scrollbutton_info[i].x;
2507     y = scrollbutton_info[i].y;
2508
2509     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2510
2511     x += SX;
2512     y += SY;
2513     width = SC_SCROLLBUTTON_XSIZE;
2514     height = SC_SCROLLBUTTON_YSIZE;
2515
2516     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2517     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2518     gd_bitmap_unpressed = new_graphic_info[gfx_unpressed].bitmap;
2519     gd_bitmap_pressed   = new_graphic_info[gfx_pressed].bitmap;
2520     gd_x1 = new_graphic_info[gfx_unpressed].src_x;
2521     gd_y1 = new_graphic_info[gfx_unpressed].src_y;
2522     gd_x2 = new_graphic_info[gfx_pressed].src_x;
2523     gd_y2 = new_graphic_info[gfx_pressed].src_y;
2524
2525     gi = CreateGadget(GDI_CUSTOM_ID, id,
2526                       GDI_CUSTOM_TYPE_ID, i,
2527                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2528                       GDI_X, x,
2529                       GDI_Y, y,
2530                       GDI_WIDTH, width,
2531                       GDI_HEIGHT, height,
2532                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2533                       GDI_STATE, GD_BUTTON_UNPRESSED,
2534                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2535                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2536                       GDI_EVENT_MASK, event_mask,
2537                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2538                       GDI_END);
2539
2540     if (gi == NULL)
2541       Error(ERR_EXIT, "cannot create gadget");
2542
2543     screen_gadget[id] = gi;
2544   }
2545 }
2546
2547 static void CreateScreenScrollbars()
2548 {
2549   int i;
2550
2551   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2552   {
2553     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2554     int gfx_unpressed, gfx_pressed;
2555     int gd_x1, gd_x2, gd_y1, gd_y2;
2556     struct GadgetInfo *gi;
2557     int items_max, items_visible, item_position;
2558     unsigned long event_mask;
2559     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2560     int id = scrollbar_info[i].gadget_id;
2561
2562     items_max = num_page_entries;
2563     items_visible = num_page_entries;
2564     item_position = 0;
2565
2566     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2567
2568     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
2569     gfx_pressed   = scrollbar_info[i].gfx_pressed;
2570     gd_bitmap_unpressed = new_graphic_info[gfx_unpressed].bitmap;
2571     gd_bitmap_pressed   = new_graphic_info[gfx_pressed].bitmap;
2572     gd_x1 = new_graphic_info[gfx_unpressed].src_x;
2573     gd_y1 = new_graphic_info[gfx_unpressed].src_y;
2574     gd_x2 = new_graphic_info[gfx_pressed].src_x;
2575     gd_y2 = new_graphic_info[gfx_pressed].src_y;
2576
2577     gi = CreateGadget(GDI_CUSTOM_ID, id,
2578                       GDI_CUSTOM_TYPE_ID, i,
2579                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2580                       GDI_X, scrollbar_info[i].x,
2581                       GDI_Y, scrollbar_info[i].y,
2582                       GDI_WIDTH, scrollbar_info[i].width,
2583                       GDI_HEIGHT, scrollbar_info[i].height,
2584                       GDI_TYPE, scrollbar_info[i].type,
2585                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2586                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2587                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2588                       GDI_STATE, GD_BUTTON_UNPRESSED,
2589                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2590                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2591                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
2592                       GDI_EVENT_MASK, event_mask,
2593                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2594                       GDI_END);
2595
2596     if (gi == NULL)
2597       Error(ERR_EXIT, "cannot create gadget");
2598
2599     screen_gadget[id] = gi;
2600   }
2601 }
2602
2603 void CreateScreenGadgets()
2604 {
2605   CreateScreenScrollbuttons();
2606   CreateScreenScrollbars();
2607 }
2608
2609 void MapChooseTreeGadgets(TreeInfo *ti)
2610 {
2611   int num_entries = numTreeInfoInGroup(ti);
2612   int i;
2613
2614   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
2615     return;
2616
2617   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2618     MapGadget(screen_gadget[i]);
2619 }
2620
2621 void UnmapChooseTreeGadgets()
2622 {
2623   int i;
2624
2625   for (i=0; i<NUM_SCREEN_GADGETS; i++)
2626     UnmapGadget(screen_gadget[i]);
2627 }
2628
2629 static void HandleScreenGadgets(struct GadgetInfo *gi)
2630 {
2631   int id = gi->custom_id;
2632
2633   if (game_status != CHOOSELEVEL && game_status != SETUP)
2634     return;
2635
2636   switch (id)
2637   {
2638     case SCREEN_CTRL_ID_SCROLL_UP:
2639       if (game_status == CHOOSELEVEL)
2640         HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
2641       else if (game_status == SETUP)
2642         HandleSetupScreen(SX,SY + 32, 0,0, MB_MENU_MARK);
2643       break;
2644
2645     case SCREEN_CTRL_ID_SCROLL_DOWN:
2646       if (game_status == CHOOSELEVEL)
2647         HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2648       else if (game_status == SETUP)
2649         HandleSetupScreen(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
2650       break;
2651
2652     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
2653       if (game_status == CHOOSELEVEL)
2654         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
2655       else if (game_status == SETUP)
2656         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
2657       break;
2658
2659     default:
2660       break;
2661   }
2662 }