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_EDITOR               2
  31 #define SETUP_MODE_INPUT                3
  32 #define SETUP_MODE_SHORTCUT             4
  33 #define SETUP_MODE_GRAPHICS             5
  34 #define SETUP_MODE_SOUND                6
  35 #define SETUP_MODE_ARTWORK              7
  36 #define SETUP_MODE_CHOOSE_GRAPHICS      8
  37 #define SETUP_MODE_CHOOSE_SOUNDS        9
  38 #define SETUP_MODE_CHOOSE_MUSIC         10
  39
  40 #define MAX_SETUP_MODES                 11
  41
  42 /* for input setup functions */
  43 #define SETUPINPUT_SCREEN_POS_START     0
  44 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  45 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  46 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  47
  48 /* for various menu stuff  */
  49 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - 2)
  50 #define MENU_SCREEN_START_YPOS          2
  51 #define MENU_SCREEN_VALUE_XPOS          14
  52
  53 /* buttons and scrollbars identifiers */
  54 #define SCREEN_CTRL_ID_SCROLL_UP        0
  55 #define SCREEN_CTRL_ID_SCROLL_DOWN      1
  56 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  2
  57
  58 #define NUM_SCREEN_SCROLLBUTTONS        2
  59 #define NUM_SCREEN_SCROLLBARS           1
  60 #define NUM_SCREEN_GADGETS              3
  61
  62 /* forward declarations of internal functions */
  63 static void HandleScreenGadgets(struct GadgetInfo *);
  64 static void HandleSetupScreen_Generic(int, int, int, int, int);
  65 static void HandleSetupScreen_Input(int, int, int, int, int);
  66 static void CustomizeKeyboard(int);
  67 static void CalibrateJoystick(int);
  68 static void execSetupArtwork(void);
  69 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
  70
  71 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
  72 static int setup_mode = SETUP_MODE_MAIN;
  73
  74 #if 0
  75 static int mSX = SX;
  76 static int mSY = SY;
  77 #else
  78 #define mSX (SX + (game_status == MAINMENU ? global.menu_draw_xoffset_MAIN : \
  79                    global.menu_draw_xoffset))
  80 #define mSY (SY + (game_status == MAINMENU ? global.menu_draw_yoffset_MAIN : \
  81                    global.menu_draw_yoffset))
  82 #endif
  83
  84 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
  85 #define NUM_SCROLLBAR_BITMAPS           2
  86 static Bitmap *scrollbar_bitmap[NUM_SCROLLBAR_BITMAPS];
  87 #endif
  88
  89
  90 static void drawCursorExt(int xpos, int ypos, int color, int graphic)
  91 {
  92   static int cursor_array[SCR_FIELDY];
  93
  94   if (xpos == 0)
  95   {
  96     if (graphic != 0)
  97       cursor_array[ypos] = graphic;
  98     else
  99       graphic = cursor_array[ypos];
 100   }
 101
 102   if (color == FC_RED)
 103     graphic = (graphic == IMG_MENU_BUTTON_LEFT  ? IMG_MENU_BUTTON_LEFT_ACTIVE :
 104                graphic == IMG_MENU_BUTTON_RIGHT ? IMG_MENU_BUTTON_RIGHT_ACTIVE:
 105                IMG_MENU_BUTTON_ACTIVE);
 106
 107   ypos += MENU_SCREEN_START_YPOS;
 108
 109 #if 1
 110   DrawBackground(mSX + xpos * TILEX, mSY + ypos * TILEY, TILEX, TILEY);
 111   DrawGraphicThruMaskExt(drawto, mSX + xpos * TILEX, mSY + ypos * TILEY,
 112                          graphic, 0);
 113 #else
 114   DrawBackground(SX + xpos * 32, SY + ypos * 32, TILEX, TILEY);
 115   DrawGraphicThruMask(xpos, ypos, graphic, 0);
 116 #endif
 117 }
 118
 119 static void initCursor(int ypos, int graphic)
 120 {
 121   drawCursorExt(0, ypos, FC_BLUE, graphic);
 122 }
 123
 124 static void drawCursor(int ypos, int color)
 125 {
 126   drawCursorExt(0, ypos, color, 0);
 127 }
 128
 129 static void drawCursorXY(int xpos, int ypos, int graphic)
 130 {
 131   drawCursorExt(xpos, ypos, -1, graphic);
 132 }
 133
 134 static void PlaySound_Menu_Start(int sound)
 135 {
 136   if (sound_info[sound].loop)
 137     PlaySoundLoop(sound);
 138   else
 139     PlaySound(sound);
 140 }
 141
 142 static void PlaySound_Menu_Continue(int sound)
 143 {
 144   if (sound_info[sound].loop)
 145     PlaySoundLoop(sound);
 146 }
 147
 148 void DrawHeadline()
 149 {
 150   int font1_width = getFontWidth(FONT_TITLE_1);
 151   int font2_width = getFontWidth(FONT_TITLE_2);
 152   int x1 = SX + (SXSIZE - strlen(PROGRAM_TITLE_STRING)   * font1_width) / 2;
 153   int x2 = SX + (SXSIZE - strlen(WINDOW_SUBTITLE_STRING) * font2_width) / 2;
 154
 155   DrawText(x1, SY + 8,  PROGRAM_TITLE_STRING,   FONT_TITLE_1);
 156   DrawText(x2, SY + 46, WINDOW_SUBTITLE_STRING, FONT_TITLE_2);
 157 }
 158
 159 static void ToggleFullscreenIfNeeded()
 160 {
 161   if (setup.fullscreen != video.fullscreen_enabled)
 162   {
 163     /* save old door content */
 164     BlitBitmap(backbuffer, bitmap_db_door,
 165                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 166
 167     /* toggle fullscreen */
 168     ChangeVideoModeIfNeeded(setup.fullscreen);
 169     setup.fullscreen = video.fullscreen_enabled;
 170
 171     /* redraw background to newly created backbuffer */
 172     BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
 173                0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
 174
 175     /* restore old door content */
 176     BlitBitmap(bitmap_db_door, backbuffer,
 177                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 178
 179     redraw_mask = REDRAW_ALL;
 180   }
 181 }
 182
 183 void DrawMainMenu()
 184 {
 185   static LevelDirTree *leveldir_last_valid = NULL;
 186   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
 187   int font_width = getFontWidth(FONT_MENU_1);
 188   int name_width = font_width * strlen("Name:");
 189   int level_width = font_width * strlen("Level:");
 190   int i;
 191
 192 #if 0
 193   mSX = SX + global.menu_draw_xoffset;
 194   mSY = SY + global.menu_draw_yoffset;
 195 #endif
 196
 197   UnmapAllGadgets();
 198   FadeSounds();
 199
 200   KeyboardAutoRepeatOn();
 201   ActivateJoystick();
 202
 203   SetDrawDeactivationMask(REDRAW_NONE);
 204   SetDrawBackgroundMask(REDRAW_FIELD);
 205
 206   audio.sound_deactivated = FALSE;
 207
 208   /* needed if last screen was the playing screen, invoked from level editor */
 209   if (level_editor_test_game)
 210   {
 211     game_status = LEVELED;
 212     DrawLevelEd();
 213     return;
 214   }
 215
 216   /* needed if last screen was the editor screen */
 217   UndrawSpecialEditorDoor();
 218
 219   /* needed if last screen was the setup screen and fullscreen state changed */
 220   ToggleFullscreenIfNeeded();
 221
 222   /* needed if last screen (level choice) changed graphics, sounds or music */
 223   ReloadCustomArtwork();
 224
 225 #ifdef TARGET_SDL
 226   SetDrawtoField(DRAW_BACKBUFFER);
 227 #endif
 228
 229   /* map gadgets for main menu screen */
 230   MapTapeButtons();
 231
 232   /* leveldir_current may be invalid (level group, parent link) */
 233   if (!validLevelSeries(leveldir_current))
 234     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
 235
 236   /* store valid level series information */
 237   leveldir_last_valid = leveldir_current;
 238
 239   /* level_nr may have been set to value over handicap with level editor */
 240   if (setup.handicap && level_nr > leveldir_current->handicap_level)
 241     level_nr = leveldir_current->handicap_level;
 242
 243   GetPlayerConfig();
 244   LoadLevel(level_nr);
 245
 246   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
 247   ClearWindow();
 248
 249   DrawHeadline();
 250
 251   DrawText(mSX + 32, mSY + 2*32, name_text, FONT_MENU_1);
 252   DrawText(mSX + 32, mSY + 3*32, "Level:", FONT_MENU_1);
 253   DrawText(mSX + 32, mSY + 4*32, "Hall Of Fame", FONT_MENU_1);
 254   DrawText(mSX + 32, mSY + 5*32, "Level Creator", FONT_MENU_1);
 255   DrawText(mSY + 32, mSY + 6*32, "Info Screen", FONT_MENU_1);
 256   DrawText(mSX + 32, mSY + 7*32, "Start Game", FONT_MENU_1);
 257   DrawText(mSX + 32, mSY + 8*32, "Setup", FONT_MENU_1);
 258   DrawText(mSX + 32, mSY + 9*32, "Quit", FONT_MENU_1);
 259
 260   DrawText(mSX + 32 + name_width, mSY + 2*32, setup.player_name, FONT_INPUT_1);
 261   DrawText(mSX + level_width + 5 * 32, mSY + 3*32, int2str(level_nr,3),
 262            FONT_VALUE_1);
 263
 264   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 265
 266   DrawTextF(mSX + 32 + level_width - 2, mSY + 3*32 + 1, FONT_TEXT_3, "%d-%d",
 267             leveldir_current->first_level, leveldir_current->last_level);
 268
 269   /*
 270   if (leveldir_current->readonly)
 271   */
 272   {
 273     DrawTextF(mSX + level_width + 9*32 - 2,
 274               mSY + 3*32 + 1 - 7, FONT_TEXT_3, "READ");
 275     DrawTextF(mSX + level_width + 9*32 - 2,
 276               mSY + 3*32 + 1 + 7, FONT_TEXT_3, "ONLY");
 277   }
 278
 279   for(i=0; i<8; i++)
 280     initCursor(i, (i == 1 || i == 6 ? IMG_MENU_BUTTON_RIGHT :IMG_MENU_BUTTON));
 281
 282   drawCursorXY(level_width/32 + 4, 1, IMG_MENU_BUTTON_LEFT);
 283   drawCursorXY(level_width/32 + 8, 1, IMG_MENU_BUTTON_RIGHT);
 284
 285   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment", FONT_TITLE_2);
 286
 287   FadeToFront();
 288   InitAnimation();
 289   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
 290
 291   TapeStop();
 292   if (TAPE_IS_EMPTY(tape))
 293     LoadTape(level_nr);
 294   DrawCompleteVideoDisplay();
 295
 296   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
 297
 298 #if 0
 299   ClearEventQueue();
 300 #endif
 301 }
 302
 303 static void gotoTopLevelDir()
 304 {
 305   /* move upwards to top level directory */
 306   while (leveldir_current->node_parent)
 307   {
 308     /* write a "path" into level tree for easy navigation to last level */
 309     if (leveldir_current->node_parent->node_group->cl_first == -1)
 310     {
 311       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
 312       int leveldir_pos = posTreeInfo(leveldir_current);
 313       int num_page_entries;
 314       int cl_first, cl_cursor;
 315
 316       if (num_leveldirs <= MAX_MENU_ENTRIES_ON_SCREEN)
 317         num_page_entries = num_leveldirs;
 318       else
 319         num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
 320
 321       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
 322       cl_cursor = leveldir_pos - cl_first;
 323
 324       leveldir_current->node_parent->node_group->cl_first = cl_first;
 325       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
 326     }
 327
 328     leveldir_current = leveldir_current->node_parent;
 329   }
 330 }
 331
 332 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
 333 {
 334   static int choice = 0;
 335   int x = 0;
 336   int y = choice;
 337
 338   if (button == MB_MENU_INITIALIZE)
 339   {
 340     drawCursor(choice, FC_RED);
 341     return;
 342   }
 343
 344   if (mx || my)         /* mouse input */
 345   {
 346     x = (mx - SX) / 32;
 347     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
 348   }
 349   else if (dx || dy)    /* keyboard input */
 350   {
 351     if (dx && choice == 1)
 352       x = (dx < 0 ? 10 : 14);
 353     else if (dy)
 354       y = choice + dy;
 355   }
 356
 357   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
 358                  (x == 14 && level_nr < leveldir_current->last_level)) &&
 359       button)
 360   {
 361     static unsigned long level_delay = 0;
 362     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
 363     int new_level_nr, old_level_nr = level_nr;
 364
 365     new_level_nr = level_nr + (x == 10 ? -step : +step);
 366     if (new_level_nr < leveldir_current->first_level)
 367       new_level_nr = leveldir_current->first_level;
 368     if (new_level_nr > leveldir_current->last_level)
 369       new_level_nr = leveldir_current->last_level;
 370
 371     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
 372       new_level_nr = leveldir_current->handicap_level;
 373
 374     if (old_level_nr == new_level_nr ||
 375         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
 376       goto out;
 377
 378     level_nr = new_level_nr;
 379
 380     DrawText(mSX + 11 * 32, mSY + 3 * 32, int2str(level_nr, 3), FONT_VALUE_1);
 381
 382     LoadLevel(level_nr);
 383     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
 384
 385     TapeErase();
 386     LoadTape(level_nr);
 387     DrawCompleteVideoDisplay();
 388
 389     /* needed because DrawMicroLevel() takes some time */
 390     BackToFront();
 391     SyncDisplay();
 392     DelayReached(&level_delay, 0);      /* reset delay counter */
 393   }
 394   else if (x == 0 && y >= 0 && y <= 7)
 395   {
 396     if (button)
 397     {
 398       if (y != choice)
 399       {
 400         drawCursor(y, FC_RED);
 401         drawCursor(choice, FC_BLUE);
 402         choice = y;
 403       }
 404     }
 405     else
 406     {
 407       if (y == 0)
 408       {
 409         game_status = TYPENAME;
 410         HandleTypeName(strlen(setup.player_name), 0);
 411       }
 412       else if (y == 1)
 413       {
 414         if (leveldir_first)
 415         {
 416           game_status = CHOOSELEVEL;
 417           SaveLevelSetup_LastSeries();
 418           SaveLevelSetup_SeriesInfo();
 419
 420           gotoTopLevelDir();
 421
 422           DrawChooseLevel();
 423         }
 424       }
 425       else if (y == 2)
 426       {
 427         game_status = HALLOFFAME;
 428         DrawHallOfFame(-1);
 429       }
 430       else if (y == 3)
 431       {
 432         if (leveldir_current->readonly &&
 433             strcmp(setup.player_name, "Artsoft") != 0)
 434           Request("This level is read only !", REQ_CONFIRM);
 435         game_status = LEVELED;
 436         DrawLevelEd();
 437       }
 438       else if (y == 4)
 439       {
 440         game_status = HELPSCREEN;
 441         DrawHelpScreen();
 442       }
 443       else if (y == 5)
 444       {
 445         if (setup.autorecord)
 446           TapeStartRecording();
 447
 448 #if defined(PLATFORM_UNIX)
 449         if (options.network)
 450           SendToServer_StartPlaying();
 451         else
 452 #endif
 453         {
 454           game_status = PLAYING;
 455           StopAnimation();
 456           InitGame();
 457         }
 458       }
 459       else if (y == 6)
 460       {
 461         game_status = SETUP;
 462         setup_mode = SETUP_MODE_MAIN;
 463         DrawSetupScreen();
 464       }
 465       else if (y == 7)
 466       {
 467         SaveLevelSetup_LastSeries();
 468         SaveLevelSetup_SeriesInfo();
 469         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
 470           game_status = EXITGAME;
 471       }
 472     }
 473   }
 474
 475   BackToFront();
 476
 477   out:
 478
 479   if (game_status == MAINMENU)
 480   {
 481     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
 482     DoAnimation();
 483   }
 484 }
 485
 486
 487 #define MAX_HELPSCREEN_ELS      10
 488 #define HA_NEXT                 -999
 489 #define HA_END                  -1000
 490
 491 static long helpscreen_state;
 492 static int helpscreen_step[MAX_HELPSCREEN_ELS];
 493 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
 494 #if 0
 495 static int OLD_helpscreen_action[] =
 496 {
 497   GFX_SPIELER1_DOWN,4,2,
 498   GFX_SPIELER1_UP,4,2,
 499   GFX_SPIELER1_LEFT,4,2,
 500   GFX_SPIELER1_RIGHT,4,2,
 501   GFX_SPIELER1_PUSH_LEFT,4,2,
 502   GFX_SPIELER1_PUSH_RIGHT,4,2,                                  HA_NEXT,
 503   GFX_ERDREICH,1,100,                                           HA_NEXT,
 504   GFX_LEERRAUM,1,100,                                           HA_NEXT,
 505   GFX_MORAST_LEER,1,100,                                        HA_NEXT,
 506   GFX_BETON,1,100,                                              HA_NEXT,
 507   GFX_MAUERWERK,1,100,                                          HA_NEXT,
 508   GFX_MAUER_L1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 509   GFX_MAUER_R1,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 510   GFX_MAUER_UP,  3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,
 511   GFX_MAUER_DOWN,3,4, GFX_MAUERWERK,1,20, GFX_LEERRAUM,1,10,    HA_NEXT,
 512   GFX_UNSICHTBAR,1,100,                                         HA_NEXT,
 513   GFX_FELSBODEN,1,100,                                          HA_NEXT,
 514   GFX_CHAR_A,30,4, GFX_CHAR_AUSRUF,32,4,                        HA_NEXT,
 515   GFX_EDELSTEIN,2,5,                                            HA_NEXT,
 516   GFX_DIAMANT,2,5,                                              HA_NEXT,
 517   GFX_EDELSTEIN_BD,2,5,                                         HA_NEXT,
 518   GFX_EDELSTEIN_GELB,2,5, GFX_EDELSTEIN_ROT,2,5,
 519   GFX_EDELSTEIN_LILA,2,5,                                       HA_NEXT,
 520   GFX_FELSBROCKEN,4,5,                                          HA_NEXT,
 521   GFX_BOMBE,1,50, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,         HA_NEXT,
 522   GFX_KOKOSNUSS,1,50, GFX_CRACKINGNUT,3,1, GFX_EDELSTEIN,1,10,  HA_NEXT,
 523   GFX_ERZ_EDEL,1,50, GFX_EXPLOSION,8,1, GFX_EDELSTEIN,1,10,     HA_NEXT,
 524   GFX_ERZ_DIAM,1,50, GFX_EXPLOSION,8,1, GFX_DIAMANT,1,10,       HA_NEXT,
 525   GFX_ERZ_EDEL_BD,1,50, GFX_EXPLOSION,8,1,GFX_EDELSTEIN_BD,1,10,HA_NEXT,
 526   GFX_ERZ_EDEL_GELB,1,50, GFX_EXPLOSION,8,1,
 527   GFX_EDELSTEIN_GELB,1,10, GFX_ERZ_EDEL_ROT,1,50,
 528   GFX_EXPLOSION,8,1, GFX_EDELSTEIN_ROT,1,10,
 529   GFX_ERZ_EDEL_LILA,1,50, GFX_EXPLOSION,8,1,
 530   GFX_EDELSTEIN_LILA,1,10,                                      HA_NEXT,
 531   GFX_GEBLUBBER,4,4,                                            HA_NEXT,
 532   GFX_SCHLUESSEL1,4,25,                                         HA_NEXT,
 533   GFX_PFORTE1,4,25,                                             HA_NEXT,
 534   GFX_PFORTE1X,4,25,                                            HA_NEXT,
 535   GFX_DYNAMIT_AUS,1,100,                                        HA_NEXT,
 536   GFX_DYNAMIT,7,6, GFX_EXPLOSION,8,1, GFX_LEERRAUM,1,10,        HA_NEXT,
 537   GFX_DYNABOMB+0,4,3, GFX_DYNABOMB+3,1,3, GFX_DYNABOMB+2,1,3,
 538   GFX_DYNABOMB+1,1,3, GFX_DYNABOMB+0,1,3, GFX_EXPLOSION,8,1,
 539   GFX_LEERRAUM,1,10,                                            HA_NEXT,
 540   GFX_DYNABOMB_NR,1,100,                                        HA_NEXT,
 541   GFX_DYNABOMB_SZ,1,100,                                        HA_NEXT,
 542   GFX_FLIEGER+4,1,3, GFX_FLIEGER+0,1,3, GFX_FLIEGER+4,1,3,
 543   GFX_FLIEGER+5,1,3, GFX_FLIEGER+1,1,3, GFX_FLIEGER+5,1,3,
 544   GFX_FLIEGER+6,1,3, GFX_FLIEGER+2,1,3, GFX_FLIEGER+6,1,3,
 545   GFX_FLIEGER+7,1,3, GFX_FLIEGER+3,1,3, GFX_FLIEGER+7,1,3,      HA_NEXT,
 546   GFX_KAEFER+4,1,1, GFX_KAEFER+0,1,1, GFX_KAEFER+4,1,1,
 547   GFX_KAEFER+5,1,1, GFX_KAEFER+1,1,1, GFX_KAEFER+5,1,1,
 548   GFX_KAEFER+6,1,1, GFX_KAEFER+2,1,1, GFX_KAEFER+6,1,1,
 549   GFX_KAEFER+7,1,1, GFX_KAEFER+3,1,1, GFX_KAEFER+7,1,1,         HA_NEXT,
 550   GFX_BUTTERFLY,2,2,                                            HA_NEXT,
 551   GFX_FIREFLY,2,2,                                              HA_NEXT,
 552   GFX_PACMAN+0,1,3, GFX_PACMAN+4,1,2, GFX_PACMAN+0,1,3,
 553   GFX_PACMAN+1,1,3, GFX_PACMAN+5,1,2, GFX_PACMAN+1,1,3,
 554   GFX_PACMAN+2,1,3, GFX_PACMAN+6,1,2, GFX_PACMAN+2,1,3,
 555   GFX_PACMAN+3,1,3, GFX_PACMAN+7,1,2, GFX_PACMAN+3,1,3,         HA_NEXT,
 556   GFX_MAMPFER+0,4,1, GFX_MAMPFER+3,1,1, GFX_MAMPFER+2,1,1,
 557   GFX_MAMPFER+1,1,1, GFX_MAMPFER+0,1,1,                         HA_NEXT,
 558   GFX_MAMPFER2+0,4,1, GFX_MAMPFER2+3,1,1, GFX_MAMPFER2+2,1,1,
 559   GFX_MAMPFER2+1,1,1, GFX_MAMPFER2+0,1,1,                       HA_NEXT,
 560   GFX_ROBOT+0,4,1, GFX_ROBOT+3,1,1, GFX_ROBOT+2,1,1,
 561   GFX_ROBOT+1,1,1, GFX_ROBOT+0,1,1,                             HA_NEXT,
 562   GFX_MOLE_DOWN,4,2,
 563   GFX_MOLE_UP,4,2,
 564   GFX_MOLE_LEFT,4,2,
 565   GFX_MOLE_RIGHT,4,2,                                           HA_NEXT,
 566   GFX_PINGUIN_DOWN,4,2,
 567   GFX_PINGUIN_UP,4,2,
 568   GFX_PINGUIN_LEFT,4,2,
 569   GFX_PINGUIN_RIGHT,4,2,                                        HA_NEXT,
 570   GFX_SCHWEIN_DOWN,4,2,
 571   GFX_SCHWEIN_UP,4,2,
 572   GFX_SCHWEIN_LEFT,4,2,
 573   GFX_SCHWEIN_RIGHT,4,2,                                        HA_NEXT,
 574   GFX_DRACHE_DOWN,4,2,
 575   GFX_DRACHE_UP,4,2,
 576   GFX_DRACHE_LEFT,4,2,
 577   GFX_DRACHE_RIGHT,4,2,                                         HA_NEXT,
 578   GFX_SONDE_START,8,1,                                          HA_NEXT,
 579   GFX_ABLENK,4,1,                                               HA_NEXT,
 580   GFX_BIRNE_AUS,1,25, GFX_BIRNE_EIN,1,25,                       HA_NEXT,
 581   GFX_ZEIT_VOLL,1,25, GFX_ZEIT_LEER,1,25,                       HA_NEXT,
 582   GFX_TROPFEN,1,25, GFX_AMOEBING,4,1, GFX_AMOEBE_LEBT,1,10,     HA_NEXT,
 583   GFX_AMOEBE_TOT+2,2,50, GFX_AMOEBE_TOT,2,50,                   HA_NEXT,
 584   GFX_AMOEBE_LEBT,4,40,                                         HA_NEXT,
 585   GFX_AMOEBE_LEBT,1,10, GFX_AMOEBING,4,2,                       HA_NEXT,
 586   GFX_AMOEBE_LEBT,1,25, GFX_AMOEBE_TOT,1,25, GFX_EXPLOSION,8,1,
 587   GFX_DIAMANT,1,10,                                             HA_NEXT,
 588   GFX_LIFE,1,100,                                               HA_NEXT,
 589   GFX_LIFE_ASYNC,1,100,                                         HA_NEXT,
 590   GFX_MAGIC_WALL_OFF,4,2,                                       HA_NEXT,
 591   GFX_MAGIC_WALL_BD_OFF,4,2,                                    HA_NEXT,
 592   GFX_AUSGANG_ZU,1,100, GFX_AUSGANG_ACT,4,2,
 593   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 594   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 595   GFX_AUSGANG_AUF+0,4,2, GFX_AUSGANG_AUF+3,1,2,
 596   GFX_AUSGANG_AUF+2,1,2, GFX_AUSGANG_AUF+1,1,2,                 HA_NEXT,
 597   GFX_SOKOBAN_OBJEKT,1,100,                                     HA_NEXT,
 598   GFX_SOKOBAN_FELD_LEER,1,100,                                  HA_NEXT,
 599   GFX_SOKOBAN_FELD_VOLL,1,100,                                  HA_NEXT,
 600   GFX_SPEED_PILL,1,100,                                         HA_NEXT,
 601   HA_END
 602 };
 603 #endif
 604
 605 static int helpscreen_action[] =
 606 {
 607   IMG_PLAYER_1_MOVING_DOWN,             16,
 608   IMG_PLAYER_1_MOVING_UP,               16,
 609   IMG_PLAYER_1_MOVING_LEFT,             16,
 610   IMG_PLAYER_1_MOVING_RIGHT,            16,
 611   IMG_PLAYER_1_PUSHING_LEFT,            16,
 612   IMG_PLAYER_1_PUSHING_RIGHT,           16,                     HA_NEXT,
 613
 614   IMG_SAND,                             -1,                     HA_NEXT,
 615
 616   IMG_EMPTY_SPACE,                      -1,                     HA_NEXT,
 617
 618   IMG_QUICKSAND_EMPTY,                  -1,                     HA_NEXT,
 619
 620   IMG_STEELWALL,                        -1,                     HA_NEXT,
 621
 622   IMG_WALL,                             -1,                     HA_NEXT,
 623
 624   IMG_EXPANDABLE_WALL_GROWING_LEFT,     20,
 625   IMG_WALL,                             50,
 626   IMG_EMPTY_SPACE,                      20,
 627   IMG_EXPANDABLE_WALL_GROWING_RIGHT,    20,
 628   IMG_WALL,                             50,
 629   IMG_EMPTY_SPACE,                      20,
 630   IMG_EXPANDABLE_WALL_GROWING_UP,       20,
 631   IMG_WALL,                             50,
 632   IMG_EMPTY_SPACE,                      20,
 633   IMG_EXPANDABLE_WALL_GROWING_DOWN,     20,
 634   IMG_WALL,                             50,
 635   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 636
 637   IMG_INVISIBLE_WALL,                   -1,                     HA_NEXT,
 638
 639   IMG_WALL_CRUMBLED,                    -1,                     HA_NEXT,
 640
 641   IMG_FONT_GAME_INFO,                   -1,                     HA_NEXT,
 642
 643   IMG_EMERALD,                          -1,                     HA_NEXT,
 644
 645   IMG_DIAMOND,                          -1,                     HA_NEXT,
 646
 647   IMG_BD_DIAMOND,                       -1,                     HA_NEXT,
 648
 649   IMG_EMERALD_YELLOW,                   50,
 650   IMG_EMERALD_RED,                      50,
 651   IMG_EMERALD_PURPLE,                   50,                     HA_NEXT,
 652
 653   IMG_BD_ROCK,                          -1,                     HA_NEXT,
 654
 655   IMG_BOMB,                             100,
 656   IMG_EXPLOSION,                        16,
 657   IMG_EMPTY_SPACE,                      10,                     HA_NEXT,
 658
 659   IMG_NUT,                              100,
 660   IMG_NUT_BREAKING,                     6,
 661   IMG_EMERALD,                          20,                     HA_NEXT,
 662
 663   IMG_WALL_EMERALD,                     100,
 664   IMG_EXPLOSION,                        16,
 665   IMG_EMERALD,                          20,                     HA_NEXT,
 666
 667   IMG_WALL_DIAMOND,                     100,
 668   IMG_EXPLOSION,                        16,
 669   IMG_DIAMOND,                          20,                     HA_NEXT,
 670
 671   IMG_WALL_BD_DIAMOND,                  100,
 672   IMG_EXPLOSION,                        16,
 673   IMG_BD_DIAMOND,                       20,                     HA_NEXT,
 674
 675   IMG_WALL_EMERALD_YELLOW,              100,
 676   IMG_EXPLOSION,                        16,
 677   IMG_EMERALD_YELLOW,                   20,
 678   IMG_WALL_EMERALD_RED,                 100,
 679   IMG_EXPLOSION,                        16,
 680   IMG_EMERALD_RED,                      20,
 681   IMG_WALL_EMERALD_PURPLE,              100,
 682   IMG_EXPLOSION,                        16,
 683   IMG_EMERALD_PURPLE,                   20,                     HA_NEXT,
 684
 685   IMG_ACID,                             -1,                     HA_NEXT,
 686
 687   IMG_KEY_1,                            50,
 688   IMG_KEY_2,                            50,
 689   IMG_KEY_3,                            50,
 690   IMG_KEY_4,                            50,                     HA_NEXT,
 691
 692   IMG_GATE_1,                           50,
 693   IMG_GATE_2,                           50,
 694   IMG_GATE_3,                           50,
 695   IMG_GATE_4,                           50,                     HA_NEXT,
 696
 697   IMG_GATE_1_GRAY,                      50,
 698   IMG_GATE_2_GRAY,                      50,
 699   IMG_GATE_3_GRAY,                      50,
 700   IMG_GATE_4_GRAY,                      50,                     HA_NEXT,
 701
 702   IMG_DYNAMITE,                         -1,                     HA_NEXT,
 703
 704   IMG_DYNAMITE_ACTIVE,                  96,
 705   IMG_EXPLOSION,                        16,
 706   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 707
 708   IMG_DYNABOMB_ACTIVE,                  100,
 709   IMG_EXPLOSION,                        16,
 710   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
 711
 712   IMG_DYNABOMB_INCREASE_NUMBER,         -1,                     HA_NEXT,
 713
 714   IMG_DYNABOMB_INCREASE_SIZE,           -1,                     HA_NEXT,
 715
 716   IMG_DYNABOMB_INCREASE_POWER,          -1,                     HA_NEXT,
 717
 718   IMG_SPACESHIP_RIGHT,                  16,
 719   IMG_SPACESHIP_UP,                     16,
 720   IMG_SPACESHIP_LEFT,                   16,
 721   IMG_SPACESHIP_DOWN,                   16,                     HA_NEXT,
 722
 723   IMG_BUG_RIGHT,                        16,
 724   IMG_BUG_UP,                           16,
 725   IMG_BUG_LEFT,                         16,
 726   IMG_BUG_DOWN,                         16,                     HA_NEXT,
 727
 728   IMG_BD_BUTTERFLY,                     -1,                     HA_NEXT,
 729
 730   IMG_BD_FIREFLY,                       -1,                     HA_NEXT,
 731
 732   IMG_PACMAN_RIGHT,                     16,
 733   IMG_PACMAN_UP,                        16,
 734   IMG_PACMAN_LEFT,                      16,
 735   IMG_PACMAN_DOWN,                      16,                     HA_NEXT,
 736
 737   IMG_YAMYAM,                           -1,                     HA_NEXT,
 738
 739   IMG_DARK_YAMYAM,                      -1,                     HA_NEXT,
 740
 741   IMG_ROBOT,                            -1,                     HA_NEXT,
 742
 743   IMG_MOLE_MOVING_RIGHT,                16,
 744   IMG_MOLE_MOVING_UP,                   16,
 745   IMG_MOLE_MOVING_LEFT,                 16,
 746   IMG_MOLE_MOVING_DOWN,                 16,                     HA_NEXT,
 747
 748   IMG_PENGUIN_MOVING_RIGHT,             16,
 749   IMG_PENGUIN_MOVING_UP,                16,
 750   IMG_PENGUIN_MOVING_LEFT,              16,
 751   IMG_PENGUIN_MOVING_DOWN,              16,                     HA_NEXT,
 752
 753   IMG_PIG_MOVING_RIGHT,                 16,
 754   IMG_PIG_MOVING_UP,                    16,
 755   IMG_PIG_MOVING_LEFT,                  16,
 756   IMG_PIG_MOVING_DOWN,                  16,                     HA_NEXT,
 757
 758   IMG_DRAGON_MOVING_RIGHT,              16,
 759   IMG_DRAGON_MOVING_UP,                 16,
 760   IMG_DRAGON_MOVING_LEFT,               16,
 761   IMG_DRAGON_MOVING_DOWN,               16,                     HA_NEXT,
 762
 763   IMG_SATELLITE,                        -1,                     HA_NEXT,
 764
 765   IMG_ROBOT_WHEEL,                      50,
 766   IMG_ROBOT_WHEEL_ACTIVE,               100,                    HA_NEXT,
 767
 768   IMG_LAMP,                             50,
 769   IMG_LAMP_ACTIVE,                      50,                     HA_NEXT,
 770
 771   IMG_TIME_ORB_FULL,                    50,
 772   IMG_TIME_ORB_EMPTY,                   50,                     HA_NEXT,
 773
 774   IMG_AMOEBA_DROP,                      50,
 775   IMG_AMOEBA_GROWING,                   6,
 776   IMG_AMOEBA_WET,                       20,                     HA_NEXT,
 777
 778   IMG_AMOEBA_DEAD,                      -1,                     HA_NEXT,
 779
 780   IMG_AMOEBA_WET,                       -1,                     HA_NEXT,
 781
 782   IMG_AMOEBA_WET,                       100,
 783   IMG_AMOEBA_GROWING,                   6,                      HA_NEXT,
 784
 785   IMG_AMOEBA_FULL,                      50,
 786   IMG_AMOEBA_DEAD,                      50,
 787   IMG_EXPLOSION,                        16,
 788   IMG_DIAMOND,                          20,                     HA_NEXT,
 789
 790   IMG_GAME_OF_LIFE,                     -1,                     HA_NEXT,
 791
 792   IMG_BIOMAZE,                          -1,                     HA_NEXT,
 793
 794   IMG_MAGIC_WALL_ACTIVE,                -1,                     HA_NEXT,
 795
 796   IMG_BD_MAGIC_WALL_ACTIVE,             -1,                     HA_NEXT,
 797
 798   IMG_EXIT_CLOSED,                      200,
 799   IMG_EXIT_OPENING,                     16,
 800   IMG_EXIT_OPEN,                        100,                    HA_NEXT,
 801
 802   IMG_EXIT_OPEN,                        -1,                     HA_NEXT,
 803
 804   IMG_SOKOBAN_OBJECT,                   -1,                     HA_NEXT,
 805
 806   IMG_SOKOBAN_FIELD_EMPTY,              -1,                     HA_NEXT,
 807
 808   IMG_SOKOBAN_FIELD_FULL,               -1,                     HA_NEXT,
 809
 810   IMG_SPEED_PILL,                       -1,                     HA_NEXT,
 811
 812   HA_END
 813 };
 814 static char *helpscreen_eltext[][2] =
 815 {
 816  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
 817  {"Normal sand:",                       "You can dig through it"},
 818  {"Empty field:",                       "You can walk through it"},
 819  {"Quicksand: You cannot pass it,",     "but rocks can fall through it"},
 820  {"Massive Wall:",                      "Nothing can go through it"},
 821  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
 822  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
 823  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
 824  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
 825  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
 826  {"Emerald: You must collect enough of","them to finish a level"},
 827  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
 828  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
 829  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
 830  {"Rock: Smashes several things;",      "Can be moved by the player"},
 831  {"Bomb: You can move it, but be",      "careful when dropping it"},
 832  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
 833  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
 834  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
 835  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
 836  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
 837  {"Acid: Things that fall in are gone", "forever (including our hero)"},
 838  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
 839  {"Door: Can be opened by the key",     "with the same color"},
 840  {"Door: You have to find out the",     "right color of the key for it"},
 841  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
 842  {"Dynamite: This one explodes after",  "a few seconds"},
 843  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
 844  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
 845  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
 846  {"Dyna Bomb: Increases the power of",  "explosion of dyna bombs"},
 847  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
 848  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
 849  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
 850  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
 851  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
 852  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
 853  {"Cruncher (BD style):",               "Eats almost everything"},
 854  {"Robot: Tries to kill the player",    ""},
 855  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
 856  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
 857  {"The Pig: Harmless, but eats all",    "gems it can get"},
 858  {"The Dragon: Breathes fire,",         "especially to some monsters"},
 859  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
 860  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
 861  {"Light Bulb: All of them must be",    "switched on to finish a level"},
 862  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
 863  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
 864  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
 865  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
 866  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
 867  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
 868  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
 869  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
 870  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
 871  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
 872  {"Exit door: Opens if you have enough","emeralds to finish the level"},
 873  {"Open exit door: Enter here to leave","the level and exit the actual game"},
 874  {"Sokoban element: Object which must", "be pushed to an empty field"},
 875  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
 876  {"Sokoban element: Field with object", "which can be pushed away"},
 877  {"Speed pill: Lets the player run",    "twice as fast as normally"},
 878 };
 879 static int num_helpscreen_els = sizeof(helpscreen_eltext) / (2*sizeof(char *));
 880
 881 static char *helpscreen_music[][3] =
 882 {
 883   { "Alchemy",                  "Ian Boddy",            "Drive" },
 884   { "The Chase",                "Propaganda",           "A Secret Wish" },
 885   { "Network 23",               "Tangerine Dream",      "Exit" },
 886   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
 887   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
 888   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
 889   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
 890 };
 891 static int num_helpscreen_music = 7;
 892 static int helpscreen_musicpos;
 893
 894 #if 0
 895 void OLD_DrawHelpScreenElAction(int start)
 896 {
 897   int i = 0, j = 0;
 898   int frame, graphic;
 899   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
 900
 901   while(helpscreen_action[j] != HA_END)
 902   {
 903     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
 904       break;
 905     else if (i<start || helpscreen_delay[i-start])
 906     {
 907       if (i>=start && helpscreen_delay[i-start])
 908         helpscreen_delay[i-start]--;
 909
 910       while(helpscreen_action[j] != HA_NEXT)
 911         j++;
 912       j++;
 913       i++;
 914       continue;
 915     }
 916
 917     j += 3*helpscreen_step[i-start];
 918     graphic = helpscreen_action[j++];
 919
 920     if (helpscreen_frame[i-start])
 921     {
 922       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
 923       helpscreen_frame[i-start]--;
 924     }
 925     else
 926     {
 927       frame = 0;
 928       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
 929     }
 930
 931     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
 932
 933     if (helpscreen_action[j] == HA_NEXT)
 934     {
 935       if (!helpscreen_frame[i-start])
 936         helpscreen_step[i-start] = 0;
 937     }
 938     else
 939     {
 940       if (!helpscreen_frame[i-start])
 941         helpscreen_step[i-start]++;
 942       while(helpscreen_action[j] != HA_NEXT)
 943         j++;
 944     }
 945     j++;
 946
 947     DrawOldGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
 948     i++;
 949   }
 950
 951   for(i=2;i<16;i++)
 952   {
 953     MarkTileDirty(0,i);
 954     MarkTileDirty(1,i);
 955   }
 956 }
 957 #endif
 958
 959 void DrawHelpScreenElAction(int start)
 960 {
 961   int i = 0, j = 0;
 962   int xstart = mSX + 16;
 963   int ystart = mSY + 64 + 2 * 32;
 964   int ystep = TILEY + 4;
 965   int graphic;
 966   int frame_count;
 967   int sync_frame;
 968   int frame;
 969
 970   while (helpscreen_action[j] != HA_END)
 971   {
 972     if (i >= start + MAX_HELPSCREEN_ELS || i >= num_helpscreen_els)
 973       break;
 974     else if (i < start)
 975     {
 976       while (helpscreen_action[j] != HA_NEXT)
 977         j++;
 978
 979       j++;
 980       i++;
 981
 982       continue;
 983     }
 984
 985     j += 2 * helpscreen_step[i-start];
 986     graphic = helpscreen_action[j++];
 987     frame_count = helpscreen_action[j++];
 988     if (frame_count == -1)
 989       frame_count = 1000000;
 990
 991     if (helpscreen_frame[i-start] == 0)
 992     {
 993       sync_frame = 0;
 994       helpscreen_frame[i-start] = frame_count - 1;
 995     }
 996     else
 997     {
 998       sync_frame = frame_count - helpscreen_frame[i-start];
 999       helpscreen_frame[i-start]--;
1000     }
1001
1002     if (helpscreen_action[j] == HA_NEXT)
1003     {
1004       if (!helpscreen_frame[i-start])
1005         helpscreen_step[i-start] = 0;
1006     }
1007     else
1008     {
1009       if (!helpscreen_frame[i-start])
1010         helpscreen_step[i-start]++;
1011       while(helpscreen_action[j] != HA_NEXT)
1012         j++;
1013     }
1014     j++;
1015
1016     frame = getGraphicAnimationFrame(graphic, sync_frame);
1017
1018     DrawGraphicExt(drawto, xstart, ystart + (i-start) * ystep,
1019                    graphic, frame);
1020
1021     i++;
1022   }
1023
1024   for(i=2; i<16; i++)
1025   {
1026     MarkTileDirty(0, i);
1027     MarkTileDirty(1, i);
1028   }
1029
1030   FrameCounter++;
1031 }
1032
1033 void DrawHelpScreenElText(int start)
1034 {
1035   int i;
1036   int xstart = mSX + 56, ystart = mSY + 65 + 2 * 32, ystep = TILEY + 4;
1037   int ybottom = SYSIZE - 20;
1038
1039   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
1040   ClearWindow();
1041   DrawHeadline();
1042
1043   DrawTextFCentered(100, FONT_TEXT_1, "The game elements:");
1044
1045   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
1046   {
1047     DrawText(xstart,
1048              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
1049              helpscreen_eltext[i][0], FONT_TEXT_2);
1050     DrawText(xstart, ystart + (i - start) * ystep + 16,
1051              helpscreen_eltext[i][1], FONT_TEXT_2);
1052   }
1053
1054   DrawTextFCentered(ybottom, FONT_TEXT_4,
1055                     "Press any key or button for next page");
1056 }
1057
1058 void DrawHelpScreenMusicText(int num)
1059 {
1060   int ystart = 150, ystep = 30;
1061   int ybottom = SYSIZE - 20;
1062
1063   FadeSounds();
1064   ClearWindow();
1065   DrawHeadline();
1066
1067   DrawTextFCentered(100, FONT_TEXT_1, "The game background music loops:");
1068
1069   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "Excerpt from");
1070   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3,
1071                     "\"%s\"", helpscreen_music[num][0]);
1072   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "by");
1073   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3,
1074                     "%s", helpscreen_music[num][1]);
1075   DrawTextFCentered(ystart + 4 * ystep, FONT_TEXT_2, "from the album");
1076   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_3,
1077                     "\"%s\"", helpscreen_music[num][2]);
1078
1079   DrawTextFCentered(ybottom, FONT_TEXT_4,
1080                     "Press any key or button for next page");
1081
1082 #if 0
1083   PlaySoundLoop(background_loop[num]);
1084 #endif
1085 }
1086
1087 void DrawHelpScreenCreditsText()
1088 {
1089   int ystart = 150, ystep = 30;
1090   int ybottom = SYSIZE - 20;
1091
1092   FadeSounds();
1093   ClearWindow();
1094   DrawHeadline();
1095
1096   DrawTextFCentered(100, FONT_TEXT_1, "Credits:");
1097   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "DOS port of the game:");
1098   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3, "Guido Schulz");
1099   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "Additional toons:");
1100   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3, "Karl Hörnell");
1101   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_2,
1102                     "...and many thanks to all contributors");
1103   DrawTextFCentered(ystart + 6 * ystep, FONT_TEXT_2, "of new levels!");
1104
1105   DrawTextFCentered(ybottom, FONT_TEXT_4,
1106                     "Press any key or button for next page");
1107 }
1108
1109 void DrawHelpScreenContactText()
1110 {
1111   int ystart = 150, ystep = 30;
1112   int ybottom = SYSIZE - 20;
1113
1114   ClearWindow();
1115   DrawHeadline();
1116
1117   DrawTextFCentered(100, FONT_TEXT_1, "Program information:");
1118
1119   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2,
1120                     "This game is Freeware!");
1121   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_2,
1122                     "If you like it, send e-mail to:");
1123   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_3,
1124                     "info@artsoft.org");
1125   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_2,
1126                     "or SnailMail to:");
1127   DrawTextFCentered(ystart + 4 * ystep + 0, FONT_TEXT_3,
1128                     "Holger Schemel");
1129   DrawTextFCentered(ystart + 4 * ystep + 20, FONT_TEXT_3,
1130                     "Detmolder Strasse 189");
1131   DrawTextFCentered(ystart + 4 * ystep + 40, FONT_TEXT_3,
1132                     "33604 Bielefeld");
1133   DrawTextFCentered(ystart + 4 * ystep + 60, FONT_TEXT_3,
1134                     "Germany");
1135
1136   DrawTextFCentered(ystart + 7 * ystep, FONT_TEXT_2,
1137                     "If you have created new levels,");
1138   DrawTextFCentered(ystart + 8 * ystep, FONT_TEXT_2,
1139                     "send them to me to include them!");
1140   DrawTextFCentered(ystart + 9 * ystep, FONT_TEXT_2,
1141                     ":-)");
1142
1143   DrawTextFCentered(ybottom, FONT_TEXT_4,
1144                     "Press any key or button for main menu");
1145 }
1146
1147 void DrawHelpScreen()
1148 {
1149   int i;
1150
1151   UnmapAllGadgets();
1152   CloseDoor(DOOR_CLOSE_2);
1153
1154   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1155     helpscreen_step[i] = helpscreen_frame[i] = 0;
1156   helpscreen_musicpos = 0;
1157   helpscreen_state = 0;
1158
1159   DrawHelpScreenElText(0);
1160   DrawHelpScreenElAction(0);
1161
1162   FadeToFront();
1163   InitAnimation();
1164
1165 #if 0
1166   PlaySoundLoop(SND_BACKGROUND_INFO);
1167 #else
1168   PlaySound_Menu_Start(SND_BACKGROUND_INFO);
1169 #endif
1170 }
1171
1172 void HandleHelpScreen(int button)
1173 {
1174   static unsigned long hs_delay = 0;
1175   int num_helpscreen_els_pages =
1176     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
1177   int button_released = !button;
1178   int i;
1179
1180   if (button_released)
1181   {
1182     if (helpscreen_state < num_helpscreen_els_pages - 1)
1183     {
1184       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1185         helpscreen_step[i] = helpscreen_frame[i] = 0;
1186       helpscreen_state++;
1187
1188       FrameCounter = 0;
1189       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
1190       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1191     }
1192     else if (helpscreen_state <
1193              num_helpscreen_els_pages + num_helpscreen_music - 1)
1194     {
1195       helpscreen_state++;
1196       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
1197     }
1198     else if (helpscreen_state ==
1199              num_helpscreen_els_pages + num_helpscreen_music - 1)
1200     {
1201       helpscreen_state++;
1202       DrawHelpScreenCreditsText();
1203     }
1204     else if (helpscreen_state ==
1205              num_helpscreen_els_pages + num_helpscreen_music)
1206     {
1207       helpscreen_state++;
1208       DrawHelpScreenContactText();
1209     }
1210     else
1211     {
1212       FadeSounds();
1213
1214       game_status = MAINMENU;
1215       DrawMainMenu();
1216     }
1217   }
1218   else
1219   {
1220     if (DelayReached(&hs_delay, GAME_FRAME_DELAY))
1221     {
1222       if (helpscreen_state < num_helpscreen_els_pages)
1223         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1224     }
1225
1226     /* !!! workaround for playing "music" that is really a sound loop (and
1227        must therefore periodically be reactivated with the current sound
1228        engine !!! */
1229 #if 0
1230     PlaySoundLoop(SND_BACKGROUND_INFO);
1231 #else
1232     PlaySound_Menu_Continue(SND_BACKGROUND_INFO);
1233 #endif
1234
1235     DoAnimation();
1236   }
1237
1238   BackToFront();
1239 }
1240
1241 void HandleTypeName(int newxpos, Key key)
1242 {
1243   static int xpos = 0, ypos = 2;
1244   int font_width = getFontWidth(FONT_INPUT_1_ACTIVE);
1245   int name_width = getFontWidth(FONT_MENU_1) * strlen("Name:");
1246   int startx = mSX + 32 + name_width;
1247   int starty = mSY + ypos * 32;
1248
1249   if (newxpos)
1250   {
1251     xpos = newxpos;
1252
1253     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1254     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1255
1256     return;
1257   }
1258
1259   if (((key >= KSYM_A && key <= KSYM_Z) ||
1260        (key >= KSYM_a && key <= KSYM_z)) &&
1261       xpos < MAX_PLAYER_NAME_LEN)
1262   {
1263     char ascii;
1264
1265     if (key >= KSYM_A && key <= KSYM_Z)
1266       ascii = 'A' + (char)(key - KSYM_A);
1267     else
1268       ascii = 'a' + (char)(key - KSYM_a);
1269
1270     setup.player_name[xpos] = ascii;
1271     setup.player_name[xpos + 1] = 0;
1272     xpos++;
1273
1274     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1275     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1276   }
1277   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
1278   {
1279     xpos--;
1280     setup.player_name[xpos] = 0;
1281
1282     DrawText(startx + xpos * font_width, starty, "_ ", FONT_INPUT_1_ACTIVE);
1283   }
1284   else if (key == KSYM_Return && xpos > 0)
1285   {
1286     DrawText(startx, starty, setup.player_name, FONT_INPUT_1);
1287     DrawText(startx + xpos * font_width, starty, " ", FONT_INPUT_1_ACTIVE);
1288
1289     SaveSetup();
1290     game_status = MAINMENU;
1291   }
1292
1293   BackToFront();
1294 }
1295
1296 static void DrawChooseTree(TreeInfo **ti_ptr)
1297 {
1298   UnmapAllGadgets();
1299   CloseDoor(DOOR_CLOSE_2);
1300
1301   ClearWindow();
1302
1303   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
1304   MapChooseTreeGadgets(*ti_ptr);
1305
1306   FadeToFront();
1307   InitAnimation();
1308 }
1309
1310 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1311 {
1312   struct GadgetInfo *gi = screen_gadget[id];
1313   int items_max, items_visible, item_position;
1314
1315   items_max = numTreeInfoInGroup(ti);
1316   items_visible = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1317   item_position = first_entry;
1318
1319   if (item_position > items_max - items_visible)
1320     item_position = items_max - items_visible;
1321
1322   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1323                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1324 }
1325
1326 static void drawChooseTreeList(int first_entry, int num_page_entries,
1327                                TreeInfo *ti)
1328 {
1329   int i;
1330   char buffer[SCR_FIELDX * 2];
1331   int max_buffer_len = (SCR_FIELDX - 2) * 2;
1332   int num_entries = numTreeInfoInGroup(ti);
1333   char *title_string = NULL;
1334   int offset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : 16);
1335   int last_game_status = game_status;   /* save current game status */
1336
1337   DrawBackground(SX, SY, SXSIZE - 32, SYSIZE);
1338   redraw_mask |= REDRAW_FIELD;
1339
1340   title_string =
1341     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
1342      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
1343      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
1344      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
1345
1346   DrawText(SX + offset, SY + offset, title_string, FONT_TITLE_1);
1347
1348   game_status = CHOOSELEVEL;    /* force LEVELS font on artwork setup screen */
1349
1350   for(i=0; i<num_page_entries; i++)
1351   {
1352     TreeInfo *node, *node_first;
1353     int entry_pos = first_entry + i;
1354     int ypos = MENU_SCREEN_START_YPOS + i;
1355
1356     node_first = getTreeInfoFirstGroupEntry(ti);
1357     node = getTreeInfoFromPos(node_first, entry_pos);
1358
1359     strncpy(buffer, node->name , max_buffer_len);
1360     buffer[max_buffer_len] = '\0';
1361
1362     DrawText(mSX + 32, mSY + ypos * 32, buffer, FONT_TEXT_1 + node->color);
1363
1364     if (node->parent_link)
1365       initCursor(i, IMG_MENU_BUTTON_LEFT);
1366     else if (node->level_group)
1367       initCursor(i, IMG_MENU_BUTTON_RIGHT);
1368     else
1369       initCursor(i, IMG_MENU_BUTTON);
1370   }
1371
1372   if (first_entry > 0)
1373   {
1374     int ypos = 1;
1375
1376     DrawBackground(SX, SY + ypos * 32, TILEX, TILEY);
1377     DrawGraphicThruMask(0, ypos, IMG_MENU_BUTTON_UP, 0);
1378   }
1379
1380   if (first_entry + num_page_entries < num_entries)
1381   {
1382     int ypos = MAX_MENU_ENTRIES_ON_SCREEN + 1;
1383
1384     DrawBackground(SX, SY + ypos * 32, TILEX, TILEY);
1385     DrawGraphicThruMask(0, ypos, IMG_MENU_BUTTON_DOWN, 0);
1386   }
1387
1388   game_status = last_game_status;       /* restore current game status */
1389 }
1390
1391 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1392 {
1393   TreeInfo *node, *node_first;
1394   int x, last_redraw_mask = redraw_mask;
1395
1396   if (ti->type != TREE_TYPE_LEVEL_DIR)
1397     return;
1398
1399   node_first = getTreeInfoFirstGroupEntry(ti);
1400   node = getTreeInfoFromPos(node_first, entry_pos);
1401
1402   DrawBackground(SX + 32, SY + 32, SXSIZE - 64, 32);
1403
1404   if (node->parent_link)
1405     DrawTextFCentered(40, FONT_TITLE_2, "leave group \"%s\"",
1406                       node->class_desc);
1407   else if (node->level_group)
1408     DrawTextFCentered(40, FONT_TITLE_2, "enter group \"%s\"",
1409                       node->class_desc);
1410   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1411     DrawTextFCentered(40, FONT_TITLE_2, "%3d levels (%s)",
1412                       node->levels, node->class_desc);
1413
1414   /* let BackToFront() redraw only what is needed */
1415   redraw_mask = last_redraw_mask | REDRAW_TILES;
1416   for (x=0; x<SCR_FIELDX; x++)
1417     MarkTileDirty(x, 1);
1418 }
1419
1420 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1421                              TreeInfo **ti_ptr)
1422 {
1423   static unsigned long choose_delay = 0;
1424   TreeInfo *ti = *ti_ptr;
1425   int x = 0;
1426   int y = ti->cl_cursor;
1427   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1428   int num_entries = numTreeInfoInGroup(ti);
1429   int num_page_entries;
1430
1431   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
1432     num_page_entries = num_entries;
1433   else
1434     num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1435
1436   if (button == MB_MENU_INITIALIZE)
1437   {
1438     int entry_pos = posTreeInfo(ti);
1439
1440     if (ti->cl_first == -1)
1441     {
1442       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1443       ti->cl_cursor =
1444         entry_pos - ti->cl_first;
1445     }
1446
1447     if (dx == 999)      /* first entry is set by scrollbar position */
1448       ti->cl_first = dy;
1449     else
1450       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1451                                 ti->cl_first, ti);
1452
1453     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1454     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1455     drawCursor(ti->cl_cursor, FC_RED);
1456     return;
1457   }
1458   else if (button == MB_MENU_LEAVE)
1459   {
1460     if (ti->node_parent)
1461     {
1462       *ti_ptr = ti->node_parent;
1463       DrawChooseTree(ti_ptr);
1464     }
1465     else if (game_status == SETUP)
1466     {
1467       execSetupArtwork();
1468     }
1469     else
1470     {
1471       game_status = MAINMENU;
1472       DrawMainMenu();
1473     }
1474
1475     return;
1476   }
1477
1478   if (mx || my)         /* mouse input */
1479   {
1480     x = (mx - SX) / 32;
1481     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
1482   }
1483   else if (dx || dy)    /* keyboard input */
1484   {
1485     if (dy)
1486       y = ti->cl_cursor + dy;
1487
1488     if (ABS(dy) == SCR_FIELDY)  /* handle KSYM_Page_Up, KSYM_Page_Down */
1489     {
1490       dy = SIGN(dy);
1491       step = num_page_entries - 1;
1492       y = (dy < 0 ? -1 : num_page_entries);
1493     }
1494   }
1495
1496   if (x == 0 && y == -1)
1497   {
1498     if (ti->cl_first > 0 &&
1499         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1500     {
1501       ti->cl_first -= step;
1502       if (ti->cl_first < 0)
1503         ti->cl_first = 0;
1504
1505       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1506       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1507       drawCursor(ti->cl_cursor, FC_RED);
1508       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1509                                 ti->cl_first, ti);
1510       return;
1511     }
1512   }
1513   else if (x == 0 && y > num_page_entries - 1)
1514   {
1515     if (ti->cl_first + num_page_entries < num_entries &&
1516         (dy || DelayReached(&choose_delay, GADGET_FRAME_DELAY)))
1517     {
1518       ti->cl_first += step;
1519       if (ti->cl_first + num_page_entries > num_entries)
1520         ti->cl_first = MAX(0, num_entries - num_page_entries);
1521
1522       drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1523       drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1524       drawCursor(ti->cl_cursor, FC_RED);
1525       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1526                                 ti->cl_first, ti);
1527       return;
1528     }
1529   }
1530
1531   if (dx == 1)
1532   {
1533     TreeInfo *node_first, *node_cursor;
1534     int entry_pos = ti->cl_first + y;
1535
1536     node_first = getTreeInfoFirstGroupEntry(ti);
1537     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1538
1539     if (node_cursor->node_group)
1540     {
1541       node_cursor->cl_first = ti->cl_first;
1542       node_cursor->cl_cursor = ti->cl_cursor;
1543       *ti_ptr = node_cursor->node_group;
1544       DrawChooseTree(ti_ptr);
1545       return;
1546     }
1547   }
1548   else if (dx == -1 && ti->node_parent)
1549   {
1550     *ti_ptr = ti->node_parent;
1551     DrawChooseTree(ti_ptr);
1552     return;
1553   }
1554
1555   if (x == 0 && y >= 0 && y < num_page_entries)
1556   {
1557     if (button)
1558     {
1559       if (y != ti->cl_cursor)
1560       {
1561         drawCursor(y, FC_RED);
1562         drawCursor(ti->cl_cursor, FC_BLUE);
1563         drawChooseTreeInfo(ti->cl_first + y, ti);
1564         ti->cl_cursor = y;
1565       }
1566     }
1567     else
1568     {
1569       TreeInfo *node_first, *node_cursor;
1570       int entry_pos = ti->cl_first + y;
1571
1572       node_first = getTreeInfoFirstGroupEntry(ti);
1573       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1574
1575       if (node_cursor->node_group)
1576       {
1577         node_cursor->cl_first = ti->cl_first;
1578         node_cursor->cl_cursor = ti->cl_cursor;
1579         *ti_ptr = node_cursor->node_group;
1580         DrawChooseTree(ti_ptr);
1581       }
1582       else if (node_cursor->parent_link)
1583       {
1584         *ti_ptr = node_cursor->node_parent;
1585         DrawChooseTree(ti_ptr);
1586       }
1587       else
1588       {
1589         node_cursor->cl_first = ti->cl_first;
1590         node_cursor->cl_cursor = ti->cl_cursor;
1591         *ti_ptr = node_cursor;
1592
1593         if (ti->type == TREE_TYPE_LEVEL_DIR)
1594         {
1595           LoadLevelSetup_SeriesInfo();
1596
1597           SaveLevelSetup_LastSeries();
1598           SaveLevelSetup_SeriesInfo();
1599           TapeErase();
1600         }
1601
1602         if (game_status == SETUP)
1603         {
1604           execSetupArtwork();
1605         }
1606         else
1607         {
1608           game_status = MAINMENU;
1609           DrawMainMenu();
1610         }
1611       }
1612     }
1613   }
1614
1615   BackToFront();
1616
1617   if (game_status == CHOOSELEVEL || game_status == SETUP)
1618     DoAnimation();
1619 }
1620
1621 void DrawChooseLevel()
1622 {
1623   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
1624
1625   DrawChooseTree(&leveldir_current);
1626 }
1627
1628 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1629 {
1630   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1631 }
1632
1633 void DrawHallOfFame(int highlight_position)
1634 {
1635   UnmapAllGadgets();
1636   FadeSounds();
1637   CloseDoor(DOOR_CLOSE_2);
1638
1639   if (highlight_position < 0)
1640     LoadScore(level_nr);
1641
1642   FadeToFront();
1643   InitAnimation();
1644
1645   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1646
1647 #if 0
1648   PlaySound(SND_BACKGROUND_SCORES);
1649 #else
1650   PlaySound_Menu_Start(SND_BACKGROUND_SCORES);
1651 #endif
1652 }
1653
1654 static void drawHallOfFameList(int first_entry, int highlight_position)
1655 {
1656   int i;
1657
1658   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
1659   ClearWindow();
1660
1661   DrawText(mSX + 80, mSY + 8, "Hall Of Fame", FONT_TITLE_1);
1662   DrawTextFCentered(46, FONT_TITLE_2, "HighScores of Level %d", level_nr);
1663
1664   for(i=0; i<MAX_MENU_ENTRIES_ON_SCREEN; i++)
1665   {
1666     int entry = first_entry + i;
1667
1668     DrawText(mSX, mSY + 64 + i * 32, "..................................",
1669              (entry == highlight_position ? FONT_TEXT_4 : FONT_TEXT_2));
1670     DrawText(mSX, mSY + 64 + i * 32, int2str(entry + 1, 3),
1671              (entry == highlight_position ? FONT_TEXT_4 : FONT_TEXT_2));
1672     DrawText(mSX + 64, mSY + 64 + i * 32, highscore[entry].Name,
1673              (entry == highlight_position ? FONT_TEXT_3 : FONT_TEXT_1));
1674     DrawText(mSX + 14 * 32 + 16, mSY + 64 + i * 32,
1675              int2str(highscore[entry].Score, 5),
1676              (entry == highlight_position ? FONT_TEXT_4 : FONT_TEXT_2));
1677   }
1678 }
1679
1680 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1681 {
1682   static int first_entry = 0;
1683   static int highlight_position = 0;
1684   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1685   int button_released = !button;
1686
1687   if (button == MB_MENU_INITIALIZE)
1688   {
1689     first_entry = 0;
1690     highlight_position = mx;
1691     drawHallOfFameList(first_entry, highlight_position);
1692     return;
1693   }
1694
1695   if (ABS(dy) == SCR_FIELDY)    /* handle KSYM_Page_Up, KSYM_Page_Down */
1696     step = MAX_MENU_ENTRIES_ON_SCREEN - 1;
1697
1698   if (dy < 0)
1699   {
1700     if (first_entry > 0)
1701     {
1702       first_entry -= step;
1703       if (first_entry < 0)
1704         first_entry = 0;
1705
1706       drawHallOfFameList(first_entry, highlight_position);
1707       return;
1708     }
1709   }
1710   else if (dy > 0)
1711   {
1712     if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1713     {
1714       first_entry += step;
1715       if (first_entry + MAX_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1716         first_entry = MAX(0, MAX_SCORE_ENTRIES - MAX_MENU_ENTRIES_ON_SCREEN);
1717
1718       drawHallOfFameList(first_entry, highlight_position);
1719       return;
1720     }
1721   }
1722
1723   if (button_released)
1724   {
1725     FadeSound(SND_BACKGROUND_SCORES);
1726     game_status = MAINMENU;
1727     DrawMainMenu();
1728   }
1729
1730   BackToFront();
1731
1732   if (game_status == HALLOFFAME)
1733   {
1734     DoAnimation();
1735 #if 1
1736     PlaySound_Menu_Continue(SND_BACKGROUND_SCORES);
1737 #endif
1738   }
1739 }
1740
1741
1742 /* ========================================================================= */
1743 /* setup screen functions                                                    */
1744 /* ========================================================================= */
1745
1746 static struct TokenInfo *setup_info;
1747 static int num_setup_info;
1748
1749 static char *graphics_set_name;
1750 static char *sounds_set_name;
1751 static char *music_set_name;
1752
1753 static void execSetupMain()
1754 {
1755   setup_mode = SETUP_MODE_MAIN;
1756   DrawSetupScreen();
1757 }
1758
1759 static void execSetupGame()
1760 {
1761   setup_mode = SETUP_MODE_GAME;
1762   DrawSetupScreen();
1763 }
1764
1765 static void execSetupEditor()
1766 {
1767   setup_mode = SETUP_MODE_EDITOR;
1768   DrawSetupScreen();
1769 }
1770
1771 static void execSetupGraphics()
1772 {
1773   setup_mode = SETUP_MODE_GRAPHICS;
1774   DrawSetupScreen();
1775 }
1776
1777 static void execSetupSound()
1778 {
1779   setup_mode = SETUP_MODE_SOUND;
1780   DrawSetupScreen();
1781 }
1782
1783 static void execSetupArtwork()
1784 {
1785   /* needed if last screen (setup choice) changed graphics, sounds or music */
1786   ReloadCustomArtwork();
1787
1788   setup.graphics_set = artwork.gfx_current->identifier;
1789   setup.sounds_set = artwork.snd_current->identifier;
1790   setup.music_set = artwork.mus_current->identifier;
1791
1792   /* needed for displaying artwork name instead of artwork identifier */
1793   graphics_set_name = artwork.gfx_current->name;
1794   sounds_set_name = artwork.snd_current->name;
1795   music_set_name = artwork.mus_current->name;
1796
1797   setup_mode = SETUP_MODE_ARTWORK;
1798   DrawSetupScreen();
1799 }
1800
1801 static void execSetupChooseGraphics()
1802 {
1803   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1804   DrawSetupScreen();
1805 }
1806
1807 static void execSetupChooseSounds()
1808 {
1809   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1810   DrawSetupScreen();
1811 }
1812
1813 static void execSetupChooseMusic()
1814 {
1815   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1816   DrawSetupScreen();
1817 }
1818
1819 static void execSetupInput()
1820 {
1821   setup_mode = SETUP_MODE_INPUT;
1822   DrawSetupScreen();
1823 }
1824
1825 static void execSetupShortcut()
1826 {
1827   setup_mode = SETUP_MODE_SHORTCUT;
1828   DrawSetupScreen();
1829 }
1830
1831 static void execExitSetup()
1832 {
1833   game_status = MAINMENU;
1834   DrawMainMenu();
1835 }
1836
1837 static void execSaveAndExitSetup()
1838 {
1839   SaveSetup();
1840   execExitSetup();
1841 }
1842
1843 static struct TokenInfo setup_info_main[] =
1844 {
1845   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1846   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor Settings"       },
1847   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1848   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1849   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1850   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1851   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1852   { TYPE_EMPTY,         NULL,                   ""                      },
1853   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1854   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
1855   { 0,                  NULL,                   NULL                    }
1856 };
1857
1858 static struct TokenInfo setup_info_game[] =
1859 {
1860   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1861   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1862   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1863   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1864   { TYPE_EMPTY,         NULL,                   ""                      },
1865   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1866   { 0,                  NULL,                   NULL                    }
1867 };
1868
1869 static struct TokenInfo setup_info_editor[] =
1870 {
1871   { TYPE_STRING,        NULL,                   "Offer Special Elements:"},
1872   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "BoulderDash:"  },
1873   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
1874   { TYPE_SWITCH,        &setup.editor.el_more,          "More:"         },
1875   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
1876   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
1877   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamd. Caves:" },
1878   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX Boulderd.:" },
1879   { TYPE_SWITCH,        &setup.editor.el_chars,         "Characters:"   },
1880   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom:"       },
1881   { TYPE_EMPTY,         NULL,                   ""                      },
1882   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1883   { 0,                  NULL,                   NULL                    }
1884 };
1885
1886 static struct TokenInfo setup_info_graphics[] =
1887 {
1888   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1889   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1890   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1891 #if 0
1892   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1893   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1894 #endif
1895   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1896   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1897   { TYPE_EMPTY,         NULL,                   ""                      },
1898   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1899   { 0,                  NULL,                   NULL                    }
1900 };
1901
1902 static struct TokenInfo setup_info_sound[] =
1903 {
1904   { TYPE_SWITCH,        &setup.sound,           "Sound:",               },
1905   { TYPE_EMPTY,         NULL,                   ""                      },
1906   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1907   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1908   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1909   { TYPE_EMPTY,         NULL,                   ""                      },
1910   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1911   { 0,                  NULL,                   NULL                    }
1912 };
1913
1914 static struct TokenInfo setup_info_artwork[] =
1915 {
1916   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1917   { TYPE_STRING,        &graphics_set_name,     ""                      },
1918   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1919   { TYPE_STRING,        &sounds_set_name,       ""                      },
1920   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1921   { TYPE_STRING,        &music_set_name,        ""                      },
1922   { TYPE_EMPTY,         NULL,                   ""                      },
1923   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1924   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1925   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1926   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1927   { TYPE_EMPTY,         NULL,                   ""                      },
1928   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1929   { 0,                  NULL,                   NULL                    }
1930 };
1931
1932 static struct TokenInfo setup_info_shortcut[] =
1933 {
1934   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1935   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1936   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1937   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1938   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1939   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1940   { TYPE_EMPTY,         NULL,                   ""                      },
1941   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1942   { TYPE_EMPTY,         NULL,                   ""                      },
1943   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1944   { 0,                  NULL,                   NULL                    }
1945 };
1946
1947 static Key getSetupKey()
1948 {
1949   Key key = KSYM_UNDEFINED;
1950   boolean got_key_event = FALSE;
1951
1952   while (!got_key_event)
1953   {
1954     if (PendingEvent())         /* got event */
1955     {
1956       Event event;
1957
1958       NextEvent(&event);
1959
1960       switch(event.type)
1961       {
1962         case EVENT_KEYPRESS:
1963           {
1964             key = GetEventKey((KeyEvent *)&event, TRUE);
1965
1966             /* press 'Escape' or 'Enter' to keep the existing key binding */
1967             if (key == KSYM_Escape || key == KSYM_Return)
1968               key = KSYM_UNDEFINED;     /* keep old value */
1969
1970             got_key_event = TRUE;
1971           }
1972           break;
1973
1974         case EVENT_KEYRELEASE:
1975           key_joystick_mapping = 0;
1976           break;
1977
1978         default:
1979           HandleOtherEvents(&event);
1980           break;
1981       }
1982     }
1983
1984     BackToFront();
1985     DoAnimation();
1986
1987     /* don't eat all CPU time */
1988     Delay(10);
1989   }
1990
1991   return key;
1992 }
1993
1994 static void drawSetupValue(int pos)
1995 {
1996   int xpos = MENU_SCREEN_VALUE_XPOS;
1997   int ypos = MENU_SCREEN_START_YPOS + pos;
1998   int font_nr = FONT_VALUE_1;
1999   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
2000                                      setup_info[pos].value);
2001
2002   if (value_string == NULL)
2003     return;
2004
2005   if (setup_info[pos].type & TYPE_KEY)
2006   {
2007     xpos = 3;
2008
2009     if (setup_info[pos].type & TYPE_QUERY)
2010     {
2011       value_string = "<press key>";
2012       font_nr = FONT_INPUT_1_ACTIVE;
2013     }
2014   }
2015   else if (setup_info[pos].type & TYPE_STRING)
2016   {
2017     int max_value_len = (SCR_FIELDX - 2) * 2;
2018
2019     xpos = 1;
2020     font_nr = FONT_VALUE_2;
2021
2022     if (strlen(value_string) > max_value_len)
2023       value_string[max_value_len] = '\0';
2024   }
2025   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE &&
2026            !*(boolean *)(setup_info[pos].value))
2027     font_nr = FONT_OPTION_OFF;
2028
2029   DrawText(mSX + xpos * 32, mSY + ypos * 32,
2030            (xpos == 3 ? "              " : "   "), font_nr);
2031   DrawText(mSX + xpos * 32, mSY + ypos * 32, value_string, font_nr);
2032 }
2033
2034 static void changeSetupValue(int pos)
2035 {
2036   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
2037   {
2038     *(boolean *)setup_info[pos].value ^= TRUE;
2039   }
2040   else if (setup_info[pos].type & TYPE_KEY)
2041   {
2042     Key key;
2043
2044     setup_info[pos].type |= TYPE_QUERY;
2045     drawSetupValue(pos);
2046     setup_info[pos].type &= ~TYPE_QUERY;
2047
2048     key = getSetupKey();
2049     if (key != KSYM_UNDEFINED)
2050       *(Key *)setup_info[pos].value = key;
2051   }
2052
2053   drawSetupValue(pos);
2054 }
2055
2056 static void DrawSetupScreen_Generic()
2057 {
2058   char *title_string = NULL;
2059   int i;
2060
2061   UnmapAllGadgets();
2062   CloseDoor(DOOR_CLOSE_2);
2063
2064   ClearWindow();
2065
2066   if (setup_mode == SETUP_MODE_MAIN)
2067   {
2068     setup_info = setup_info_main;
2069     title_string = "Setup";
2070   }
2071   else if (setup_mode == SETUP_MODE_GAME)
2072   {
2073     setup_info = setup_info_game;
2074     title_string = "Setup Game";
2075   }
2076   else if (setup_mode == SETUP_MODE_EDITOR)
2077   {
2078     setup_info = setup_info_editor;
2079     title_string = "Setup Editor";
2080   }
2081   else if (setup_mode == SETUP_MODE_GRAPHICS)
2082   {
2083     setup_info = setup_info_graphics;
2084     title_string = "Setup Graphics";
2085   }
2086   else if (setup_mode == SETUP_MODE_SOUND)
2087   {
2088     setup_info = setup_info_sound;
2089     title_string = "Setup Sound";
2090   }
2091   else if (setup_mode == SETUP_MODE_ARTWORK)
2092   {
2093     setup_info = setup_info_artwork;
2094     title_string = "Custom Artwork";
2095   }
2096   else if (setup_mode == SETUP_MODE_SHORTCUT)
2097   {
2098     setup_info = setup_info_shortcut;
2099     title_string = "Setup Shortcuts";
2100   }
2101
2102   DrawText(mSX + 16, mSY + 16, title_string, FONT_TITLE_1);
2103
2104   num_setup_info = 0;
2105   for(i=0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
2106   {
2107     void *value_ptr = setup_info[i].value;
2108     int ypos = MENU_SCREEN_START_YPOS + i;
2109     int font_nr = FONT_MENU_1;
2110
2111     /* set some entries to "unchangeable" according to other variables */
2112     if ((value_ptr == &setup.sound       && !audio.sound_available) ||
2113         (value_ptr == &setup.sound_loops && !audio.loops_available) ||
2114         (value_ptr == &setup.sound_music && !audio.music_available) ||
2115         (value_ptr == &setup.fullscreen  && !video.fullscreen_available))
2116       setup_info[i].type |= TYPE_GHOSTED;
2117
2118     if (setup_info[i].type & TYPE_STRING)
2119       font_nr = FONT_MENU_2;
2120
2121     DrawText(mSX + 32, mSY + ypos * 32, setup_info[i].text, font_nr);
2122
2123     if (setup_info[i].type & TYPE_ENTER_MENU)
2124       initCursor(i, IMG_MENU_BUTTON_RIGHT);
2125     else if (setup_info[i].type & TYPE_LEAVE_MENU)
2126       initCursor(i, IMG_MENU_BUTTON_LEFT);
2127     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
2128       initCursor(i, IMG_MENU_BUTTON);
2129
2130     if (setup_info[i].type & TYPE_VALUE)
2131       drawSetupValue(i);
2132
2133     num_setup_info++;
2134   }
2135
2136   FadeToFront();
2137   InitAnimation();
2138   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
2139 }
2140
2141 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
2142 {
2143   static int choice_store[MAX_SETUP_MODES];
2144   int choice = choice_store[setup_mode];        /* always starts with 0 */
2145   int x = 0;
2146   int y = choice;
2147
2148   if (button == MB_MENU_INITIALIZE)
2149   {
2150     /* advance to first valid menu entry */
2151     while (choice < num_setup_info &&
2152            (setup_info[choice].type & TYPE_SKIP_ENTRY))
2153       choice++;
2154     choice_store[setup_mode] = choice;
2155
2156     drawCursor(choice, FC_RED);
2157     return;
2158   }
2159   else if (button == MB_MENU_LEAVE)
2160   {
2161     for (y=0; y<num_setup_info; y++)
2162     {
2163       if (setup_info[y].type & TYPE_LEAVE_MENU)
2164       {
2165         void (*menu_callback_function)(void) = setup_info[y].value;
2166
2167         menu_callback_function();
2168         break;  /* absolutely needed because function changes 'setup_info'! */
2169       }
2170     }
2171
2172     return;
2173   }
2174
2175   if (mx || my)         /* mouse input */
2176   {
2177     x = (mx - SX) / 32;
2178     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
2179   }
2180   else if (dx || dy)    /* keyboard input */
2181   {
2182     if (dx)
2183     {
2184       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
2185
2186       if ((setup_info[choice].type & menu_navigation_type) ||
2187           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
2188         button = MB_MENU_CHOICE;
2189     }
2190     else if (dy)
2191       y = choice + dy;
2192
2193     /* jump to next non-empty menu entry (up or down) */
2194     while (y > 0 && y < num_setup_info - 1 &&
2195            (setup_info[y].type & TYPE_SKIP_ENTRY))
2196       y += dy;
2197   }
2198
2199   if (x == 0 && y >= 0 && y < num_setup_info &&
2200       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
2201   {
2202     if (button)
2203     {
2204       if (y != choice)
2205       {
2206         drawCursor(y, FC_RED);
2207         drawCursor(choice, FC_BLUE);
2208         choice = choice_store[setup_mode] = y;
2209       }
2210     }
2211     else if (!(setup_info[y].type & TYPE_GHOSTED))
2212     {
2213       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
2214       {
2215         void (*menu_callback_function)(void) = setup_info[choice].value;
2216
2217         menu_callback_function();
2218       }
2219       else
2220       {
2221         if ((setup_info[y].type & TYPE_KEYTEXT) &&
2222             (setup_info[y + 1].type & TYPE_KEY))
2223           y++;
2224
2225         if (setup_info[y].type & TYPE_VALUE)
2226           changeSetupValue(y);
2227       }
2228     }
2229   }
2230
2231   BackToFront();
2232
2233   if (game_status == SETUP)
2234     DoAnimation();
2235 }
2236
2237 void DrawSetupScreen_Input()
2238 {
2239   ClearWindow();
2240
2241   DrawText(mSX+16, mSY+16, "Setup Input", FONT_TITLE_1);
2242
2243   initCursor(0, IMG_MENU_BUTTON);
2244   initCursor(1, IMG_MENU_BUTTON);
2245   initCursor(2, IMG_MENU_BUTTON_RIGHT);
2246   initCursor(13, IMG_MENU_BUTTON_LEFT);
2247
2248   drawCursorXY(10, 0, IMG_MENU_BUTTON_LEFT);
2249   drawCursorXY(12, 0, IMG_MENU_BUTTON_RIGHT);
2250
2251   DrawText(mSX+32, mSY+2*32, "Player:", FONT_MENU_1);
2252   DrawText(mSX+32, mSY+3*32, "Device:", FONT_MENU_1);
2253   DrawText(mSX+32, mSY+15*32, "Back",   FONT_MENU_1);
2254
2255 #if 0
2256   DeactivateJoystickForCalibration();
2257   DrawTextFCentered(SYSIZE - 20, FONT_TEXT_4,
2258                     "Joysticks deactivated on this screen");
2259 #endif
2260
2261   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
2262   FadeToFront();
2263   InitAnimation();
2264 }
2265
2266 static void setJoystickDeviceToNr(char *device_name, int device_nr)
2267 {
2268   if (device_name == NULL)
2269     return;
2270
2271   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
2272     device_nr = 0;
2273
2274   if (strlen(device_name) > 1)
2275   {
2276     char c1 = device_name[strlen(device_name) - 1];
2277     char c2 = device_name[strlen(device_name) - 2];
2278
2279     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
2280       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
2281   }
2282   else
2283     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
2284             strlen(device_name));
2285 }
2286
2287 static void drawPlayerSetupInputInfo(int player_nr)
2288 {
2289   int i;
2290   static struct SetupKeyboardInfo custom_key;
2291   static struct
2292   {
2293     Key *key;
2294     char *text;
2295   } custom[] =
2296   {
2297     { &custom_key.left,  "Joystick Left"  },
2298     { &custom_key.right, "Joystick Right" },
2299     { &custom_key.up,    "Joystick Up"    },
2300     { &custom_key.down,  "Joystick Down"  },
2301     { &custom_key.snap,  "Button 1"       },
2302     { &custom_key.bomb,  "Button 2"       }
2303   };
2304   static char *joystick_name[MAX_PLAYERS] =
2305   {
2306     "Joystick1",
2307     "Joystick2",
2308     "Joystick3",
2309     "Joystick4"
2310   };
2311
2312   custom_key = setup.input[player_nr].key;
2313
2314   DrawText(mSX+11*32, mSY+2*32, int2str(player_nr +1, 1), FONT_INPUT_1_ACTIVE);
2315 #if 1
2316   DrawGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
2317                          PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2318 #else
2319   DrawGraphicThruMask(8, 2, PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2320 #endif
2321
2322   if (setup.input[player_nr].use_joystick)
2323   {
2324     char *device_name = setup.input[player_nr].joy.device_name;
2325
2326     DrawText(mSX+8*32, mSY+3*32,
2327              joystick_name[getJoystickNrFromDeviceName(device_name)],
2328              FONT_VALUE_1);
2329     DrawText(mSX+32, mSY+4*32, "Calibrate", FONT_MENU_1);
2330   }
2331   else
2332   {
2333     DrawText(mSX+8*32, mSY+3*32, "Keyboard ", FONT_VALUE_1);
2334     DrawText(mSX+32,   mSY+4*32, "Customize", FONT_MENU_1);
2335   }
2336
2337   DrawText(mSX+32, mSY+5*32, "Actual Settings:", FONT_MENU_1);
2338   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
2339   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
2340   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
2341   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
2342   DrawText(mSX+2*32, mSY+6*32, ":", FONT_VALUE_OLD);
2343   DrawText(mSX+2*32, mSY+7*32, ":", FONT_VALUE_OLD);
2344   DrawText(mSX+2*32, mSY+8*32, ":", FONT_VALUE_OLD);
2345   DrawText(mSX+2*32, mSY+9*32, ":", FONT_VALUE_OLD);
2346   DrawText(mSX+32, mSY+10*32, "Snap Field:", FONT_VALUE_OLD);
2347   DrawText(mSX+32, mSY+12*32, "Place Bomb:", FONT_VALUE_OLD);
2348
2349   for (i=0; i<6; i++)
2350   {
2351     int ypos = 6 + i + (i > 3 ? i-3 : 0);
2352
2353     DrawText(mSX + 3*32, mSY + ypos*32,
2354              "              ", FONT_VALUE_1);
2355     DrawText(mSX + 3*32, mSY + ypos*32,
2356              (setup.input[player_nr].use_joystick ?
2357               custom[i].text :
2358               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
2359   }
2360 }
2361
2362 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
2363 {
2364   static int choice = 0;
2365   static int player_nr = 0;
2366   int x = 0;
2367   int y = choice;
2368   int pos_start  = SETUPINPUT_SCREEN_POS_START;
2369   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
2370   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
2371   int pos_end    = SETUPINPUT_SCREEN_POS_END;
2372
2373   if (button == MB_MENU_INITIALIZE)
2374   {
2375     drawPlayerSetupInputInfo(player_nr);
2376     drawCursor(choice, FC_RED);
2377     return;
2378   }
2379   else if (button == MB_MENU_LEAVE)
2380   {
2381     setup_mode = SETUP_MODE_MAIN;
2382     DrawSetupScreen();
2383     InitJoysticks();
2384   }
2385
2386   if (mx || my)         /* mouse input */
2387   {
2388     x = (mx - SX) / 32;
2389     y = (my - SY) / 32 - MENU_SCREEN_START_YPOS;
2390   }
2391   else if (dx || dy)    /* keyboard input */
2392   {
2393     if (dx && choice == 0)
2394       x = (dx < 0 ? 10 : 12);
2395     else if ((dx && choice == 1) ||
2396              (dx == +1 && choice == 2) ||
2397              (dx == -1 && choice == pos_end))
2398       button = MB_MENU_CHOICE;
2399     else if (dy)
2400       y = choice + dy;
2401
2402     if (y >= pos_empty1 && y <= pos_empty2)
2403       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
2404   }
2405
2406   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
2407   {
2408     static unsigned long delay = 0;
2409
2410     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
2411       goto out;
2412
2413     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
2414
2415     drawPlayerSetupInputInfo(player_nr);
2416   }
2417   else if (x == 0 && y >= pos_start && y <= pos_end &&
2418            !(y >= pos_empty1 && y <= pos_empty2))
2419   {
2420     if (button)
2421     {
2422       if (y != choice)
2423       {
2424         drawCursor(y, FC_RED);
2425         drawCursor(choice, FC_BLUE);
2426         choice = y;
2427       }
2428     }
2429     else
2430     {
2431       if (y == 1)
2432       {
2433         char *device_name = setup.input[player_nr].joy.device_name;
2434
2435         if (!setup.input[player_nr].use_joystick)
2436         {
2437           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2438
2439           setJoystickDeviceToNr(device_name, new_device_nr);
2440           setup.input[player_nr].use_joystick = TRUE;
2441         }
2442         else
2443         {
2444           int device_nr = getJoystickNrFromDeviceName(device_name);
2445           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2446
2447           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2448             setup.input[player_nr].use_joystick = FALSE;
2449           else
2450             setJoystickDeviceToNr(device_name, new_device_nr);
2451         }
2452
2453         drawPlayerSetupInputInfo(player_nr);
2454       }
2455       else if (y == 2)
2456       {
2457         if (setup.input[player_nr].use_joystick)
2458         {
2459           InitJoysticks();
2460           CalibrateJoystick(player_nr);
2461         }
2462         else
2463           CustomizeKeyboard(player_nr);
2464       }
2465       else if (y == pos_end)
2466       {
2467         InitJoysticks();
2468
2469         setup_mode = SETUP_MODE_MAIN;
2470         DrawSetupScreen();
2471       }
2472     }
2473   }
2474
2475   BackToFront();
2476
2477   out:
2478
2479   if (game_status == SETUP)
2480     DoAnimation();
2481 }
2482
2483 void CustomizeKeyboard(int player_nr)
2484 {
2485   int i;
2486   int step_nr;
2487   boolean finished = FALSE;
2488   static struct SetupKeyboardInfo custom_key;
2489   static struct
2490   {
2491     Key *key;
2492     char *text;
2493   } customize_step[] =
2494   {
2495     { &custom_key.left,  "Move Left"  },
2496     { &custom_key.right, "Move Right" },
2497     { &custom_key.up,    "Move Up"    },
2498     { &custom_key.down,  "Move Down"  },
2499     { &custom_key.snap,  "Snap Field" },
2500     { &custom_key.bomb,  "Place Bomb" }
2501   };
2502
2503   /* read existing key bindings from player setup */
2504   custom_key = setup.input[player_nr].key;
2505
2506   ClearWindow();
2507   DrawText(mSX + 16, mSY + 16, "Keyboard Input", FONT_TITLE_1);
2508
2509   BackToFront();
2510   InitAnimation();
2511
2512   step_nr = 0;
2513   DrawText(mSX, mSY + (2+2*step_nr)*32,
2514            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2515   DrawText(mSX, mSY + (2+2*step_nr+1)*32,
2516            "Key:", FONT_INPUT_1_ACTIVE);
2517   DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2518            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
2519
2520   while(!finished)
2521   {
2522     if (PendingEvent())         /* got event */
2523     {
2524       Event event;
2525
2526       NextEvent(&event);
2527
2528       switch(event.type)
2529       {
2530         case EVENT_KEYPRESS:
2531           {
2532             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2533
2534             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2535             {
2536               finished = TRUE;
2537               break;
2538             }
2539
2540             /* all keys configured -- wait for "Escape" or "Return" key */
2541             if (step_nr == 6)
2542               break;
2543
2544             /* press 'Enter' to keep the existing key binding */
2545             if (key == KSYM_Return)
2546               key = *customize_step[step_nr].key;
2547
2548             /* check if key already used */
2549             for (i=0; i<step_nr; i++)
2550               if (*customize_step[i].key == key)
2551                 break;
2552             if (i < step_nr)
2553               break;
2554
2555             /* got new key binding */
2556             *customize_step[step_nr].key = key;
2557             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2558                      "             ", FONT_VALUE_1);
2559             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2560                      getKeyNameFromKey(key), FONT_VALUE_1);
2561             step_nr++;
2562
2563             /* un-highlight last query */
2564             DrawText(mSX, mSY+(2+2*(step_nr-1))*32,
2565                      customize_step[step_nr-1].text, FONT_MENU_1);
2566             DrawText(mSX, mSY+(2+2*(step_nr-1)+1)*32,
2567                      "Key:", FONT_MENU_1);
2568
2569             /* press 'Enter' to leave */
2570             if (step_nr == 6)
2571             {
2572               DrawText(mSX + 16, mSY + 15*32+16,
2573                        "Press Enter", FONT_TITLE_1);
2574               break;
2575             }
2576
2577             /* query next key binding */
2578             DrawText(mSX, mSY+(2+2*step_nr)*32,
2579                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2580             DrawText(mSX, mSY+(2+2*step_nr+1)*32,
2581                      "Key:", FONT_INPUT_1_ACTIVE);
2582             DrawText(mSX + 4*32, mSY+(2+2*step_nr+1)*32,
2583                      getKeyNameFromKey(*customize_step[step_nr].key),
2584                      FONT_VALUE_OLD);
2585           }
2586           break;
2587
2588         case EVENT_KEYRELEASE:
2589           key_joystick_mapping = 0;
2590           break;
2591
2592         default:
2593           HandleOtherEvents(&event);
2594           break;
2595       }
2596     }
2597
2598     BackToFront();
2599     DoAnimation();
2600
2601     /* don't eat all CPU time */
2602     Delay(10);
2603   }
2604
2605   /* write new key bindings back to player setup */
2606   setup.input[player_nr].key = custom_key;
2607
2608   StopAnimation();
2609   DrawSetupScreen_Input();
2610 }
2611
2612 static boolean CalibrateJoystickMain(int player_nr)
2613 {
2614   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2615   int new_joystick_xright = JOYSTICK_XMIDDLE;
2616   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2617   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2618   int new_joystick_xmiddle, new_joystick_ymiddle;
2619
2620   int joystick_fd = joystick.fd[player_nr];
2621   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2622   boolean check[3][3];
2623   int check_remaining = 3 * 3;
2624   int joy_x, joy_y;
2625   int joy_value;
2626   int result = -1;
2627
2628   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2629     return FALSE;
2630
2631   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2632     return FALSE;
2633
2634   ClearWindow();
2635
2636   for(y=0; y < 3; y++)
2637   {
2638     for(x=0; x < 3; x++)
2639     {
2640       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
2641       check[x][y] = FALSE;
2642     }
2643   }
2644
2645   DrawText(mSX,      mSY +  6 * 32, " ROTATE JOYSTICK ", FONT_TITLE_1);
2646   DrawText(mSX,      mSY +  7 * 32, "IN ALL DIRECTIONS", FONT_TITLE_1);
2647   DrawText(mSX + 16, mSY +  9 * 32, "  IF ALL BALLS  ",  FONT_TITLE_1);
2648   DrawText(mSX,      mSY + 10 * 32, "   ARE YELLOW,   ", FONT_TITLE_1);
2649   DrawText(mSX,      mSY + 11 * 32, " CENTER JOYSTICK ", FONT_TITLE_1);
2650   DrawText(mSX,      mSY + 12 * 32, "       AND       ", FONT_TITLE_1);
2651   DrawText(mSX,      mSY + 13 * 32, "PRESS ANY BUTTON!", FONT_TITLE_1);
2652
2653   joy_value = Joystick(player_nr);
2654   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2655   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2656
2657   /* eventually uncalibrated center position (joystick could be uncentered) */
2658   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2659     return FALSE;
2660
2661   new_joystick_xmiddle = joy_x;
2662   new_joystick_ymiddle = joy_y;
2663
2664   DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
2665   BackToFront();
2666
2667   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2668   InitAnimation();
2669
2670   while(result < 0)
2671   {
2672     if (PendingEvent())         /* got event */
2673     {
2674       Event event;
2675
2676       NextEvent(&event);
2677
2678       switch(event.type)
2679       {
2680         case EVENT_KEYPRESS:
2681           switch(GetEventKey((KeyEvent *)&event, TRUE))
2682           {
2683             case KSYM_Return:
2684               if (check_remaining == 0)
2685                 result = 1;
2686               break;
2687
2688             case KSYM_Escape:
2689               result = 0;
2690               break;
2691
2692             default:
2693               break;
2694           }
2695           break;
2696
2697         case EVENT_KEYRELEASE:
2698           key_joystick_mapping = 0;
2699           break;
2700
2701         default:
2702           HandleOtherEvents(&event);
2703           break;
2704       }
2705     }
2706
2707     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2708       return FALSE;
2709
2710     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2711     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2712     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2713     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2714
2715     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2716     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2717     setup.input[player_nr].joy.xright = new_joystick_xright;
2718     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2719     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2720     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2721
2722     CheckJoystickData();
2723
2724     joy_value = Joystick(player_nr);
2725
2726     if (joy_value & JOY_BUTTON && check_remaining == 0)
2727       result = 1;
2728
2729     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2730     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2731
2732     if (x != last_x || y != last_y)
2733     {
2734       DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_YELLOW, 0);
2735       DrawGraphic(xpos + x,      ypos + y,      IMG_MENU_CALIBRATE_RED,    0);
2736
2737       last_x = x;
2738       last_y = y;
2739
2740       if (check_remaining > 0 && !check[x+1][y+1])
2741       {
2742         check[x+1][y+1] = TRUE;
2743         check_remaining--;
2744       }
2745
2746 #if 0
2747 #ifdef DEBUG
2748       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2749              setup.input[player_nr].joy.xleft,
2750              setup.input[player_nr].joy.xmiddle,
2751              setup.input[player_nr].joy.xright);
2752       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2753              setup.input[player_nr].joy.yupper,
2754              setup.input[player_nr].joy.ymiddle,
2755              setup.input[player_nr].joy.ylower);
2756 #endif
2757 #endif
2758
2759     }
2760
2761     BackToFront();
2762     DoAnimation();
2763
2764     /* don't eat all CPU time */
2765     Delay(10);
2766   }
2767
2768   /* calibrated center position (joystick should now be centered) */
2769   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2770     return FALSE;
2771
2772   new_joystick_xmiddle = joy_x;
2773   new_joystick_ymiddle = joy_y;
2774
2775   StopAnimation();
2776
2777   DrawSetupScreen_Input();
2778
2779   /* wait until the last pressed button was released */
2780   while (Joystick(player_nr) & JOY_BUTTON)
2781   {
2782     if (PendingEvent())         /* got event */
2783     {
2784       Event event;
2785
2786       NextEvent(&event);
2787       HandleOtherEvents(&event);
2788
2789       Delay(10);
2790     }
2791   }
2792
2793   return TRUE;
2794 }
2795
2796 void CalibrateJoystick(int player_nr)
2797 {
2798   if (!CalibrateJoystickMain(player_nr))
2799   {
2800     ClearWindow();
2801
2802     DrawText(mSX + 16, mSY + 6*32, "  JOYSTICK NOT  ",  FONT_TITLE_1);
2803     DrawText(mSX,      mSY + 7*32, "    AVAILABLE    ", FONT_TITLE_1);
2804     BackToFront();
2805     Delay(2000);        /* show error message for two seconds */
2806   }
2807 }
2808
2809 void DrawSetupScreen()
2810 {
2811   DeactivateJoystick();
2812
2813   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
2814
2815   if (setup_mode == SETUP_MODE_INPUT)
2816     DrawSetupScreen_Input();
2817   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2818     DrawChooseTree(&artwork.gfx_current);
2819   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2820     DrawChooseTree(&artwork.snd_current);
2821   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2822     DrawChooseTree(&artwork.mus_current);
2823   else
2824     DrawSetupScreen_Generic();
2825 }
2826
2827 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2828 {
2829   if (setup_mode == SETUP_MODE_INPUT)
2830     HandleSetupScreen_Input(mx, my, dx, dy, button);
2831   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2832     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2833   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2834     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2835   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2836     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2837   else
2838     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2839 }
2840
2841 void HandleGameActions()
2842 {
2843   if (game_status != PLAYING)
2844     return;
2845
2846   if (local_player->LevelSolved)
2847     GameWon();
2848
2849   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2850     TapeStop();
2851
2852   GameActions();
2853
2854   BackToFront();
2855 }
2856
2857 /* ---------- new screen button stuff -------------------------------------- */
2858
2859 /* graphic position and size values for buttons and scrollbars */
2860 #define SC_SCROLLBUTTON_XSIZE           32
2861 #define SC_SCROLLBUTTON_YSIZE           32
2862
2863 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2864 #define SC_SCROLL_UP_YPOS               SC_SCROLLBUTTON_YSIZE
2865 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2866 #define SC_SCROLL_DOWN_YPOS             (SYSIZE - SC_SCROLLBUTTON_YSIZE)
2867 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2868 #define SC_SCROLL_VERTICAL_YPOS   (SC_SCROLL_UP_YPOS + SC_SCROLLBUTTON_YSIZE)
2869 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2870 #define SC_SCROLL_VERTICAL_YSIZE        (SYSIZE - 3 * SC_SCROLLBUTTON_YSIZE)
2871
2872 #define SC_BORDER_SIZE                  14
2873
2874 static struct
2875 {
2876   int gfx_unpressed, gfx_pressed;
2877   int x, y;
2878   int gadget_id;
2879   char *infotext;
2880 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2881 {
2882   {
2883     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
2884     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2885     SCREEN_CTRL_ID_SCROLL_UP,
2886     "scroll up"
2887   },
2888   {
2889     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
2890     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2891     SCREEN_CTRL_ID_SCROLL_DOWN,
2892     "scroll down"
2893   }
2894 };
2895
2896 static struct
2897 {
2898 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2899   Bitmap **gfx_unpressed, **gfx_pressed;
2900 #else
2901   int gfx_unpressed, gfx_pressed;
2902 #endif
2903   int x, y;
2904   int width, height;
2905   int type;
2906   int gadget_id;
2907   char *infotext;
2908 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2909 {
2910   {
2911 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2912     &scrollbar_bitmap[0], &scrollbar_bitmap[1],
2913 #else
2914     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
2915 #endif
2916     SX + SC_SCROLL_VERTICAL_XPOS, SY + SC_SCROLL_VERTICAL_YPOS,
2917     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2918     GD_TYPE_SCROLLBAR_VERTICAL,
2919     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2920     "scroll level series vertically"
2921   }
2922 };
2923
2924 static void CreateScreenScrollbuttons()
2925 {
2926   struct GadgetInfo *gi;
2927   unsigned long event_mask;
2928   int i;
2929
2930   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2931   {
2932     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2933     int gfx_unpressed, gfx_pressed;
2934     int x, y, width, height;
2935     int gd_x1, gd_x2, gd_y1, gd_y2;
2936     int id = scrollbutton_info[i].gadget_id;
2937
2938     x = scrollbutton_info[i].x;
2939     y = scrollbutton_info[i].y;
2940
2941     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2942
2943     x += SX;
2944     y += SY;
2945     width = SC_SCROLLBUTTON_XSIZE;
2946     height = SC_SCROLLBUTTON_YSIZE;
2947
2948     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2949     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2950     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2951     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2952     gd_x1 = graphic_info[gfx_unpressed].src_x;
2953     gd_y1 = graphic_info[gfx_unpressed].src_y;
2954     gd_x2 = graphic_info[gfx_pressed].src_x;
2955     gd_y2 = graphic_info[gfx_pressed].src_y;
2956
2957     gi = CreateGadget(GDI_CUSTOM_ID, id,
2958                       GDI_CUSTOM_TYPE_ID, i,
2959                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2960                       GDI_X, x,
2961                       GDI_Y, y,
2962                       GDI_WIDTH, width,
2963                       GDI_HEIGHT, height,
2964                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2965                       GDI_STATE, GD_BUTTON_UNPRESSED,
2966                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2967                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2968                       GDI_EVENT_MASK, event_mask,
2969                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2970                       GDI_END);
2971
2972     if (gi == NULL)
2973       Error(ERR_EXIT, "cannot create gadget");
2974
2975     screen_gadget[id] = gi;
2976   }
2977 }
2978
2979 static void CreateScreenScrollbars()
2980 {
2981   int i;
2982
2983   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2984   {
2985     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2986 #if !defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2987     int gfx_unpressed, gfx_pressed;
2988 #endif
2989     int gd_x1, gd_x2, gd_y1, gd_y2;
2990     struct GadgetInfo *gi;
2991     int items_max, items_visible, item_position;
2992     unsigned long event_mask;
2993     int num_page_entries = MAX_MENU_ENTRIES_ON_SCREEN - 1;
2994     int id = scrollbar_info[i].gadget_id;
2995
2996     items_max = num_page_entries;
2997     items_visible = num_page_entries;
2998     item_position = 0;
2999
3000     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3001
3002 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3003     gd_bitmap_unpressed = *scrollbar_info[i].gfx_unpressed;
3004     gd_bitmap_pressed   = *scrollbar_info[i].gfx_pressed;
3005     gd_x1 = 0;
3006     gd_y1 = 0;
3007     gd_x2 = 0;
3008     gd_y2 = 0;
3009 #else
3010     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
3011     gfx_pressed   = scrollbar_info[i].gfx_pressed;
3012     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
3013     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
3014     gd_x1 = graphic_info[gfx_unpressed].src_x;
3015     gd_y1 = graphic_info[gfx_unpressed].src_y;
3016     gd_x2 = graphic_info[gfx_pressed].src_x;
3017     gd_y2 = graphic_info[gfx_pressed].src_y;
3018 #endif
3019
3020     gi = CreateGadget(GDI_CUSTOM_ID, id,
3021                       GDI_CUSTOM_TYPE_ID, i,
3022                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3023                       GDI_X, scrollbar_info[i].x,
3024                       GDI_Y, scrollbar_info[i].y,
3025                       GDI_WIDTH, scrollbar_info[i].width,
3026                       GDI_HEIGHT, scrollbar_info[i].height,
3027                       GDI_TYPE, scrollbar_info[i].type,
3028                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3029                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3030                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3031                       GDI_STATE, GD_BUTTON_UNPRESSED,
3032                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
3033                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
3034                       GDI_BORDER_SIZE, SC_BORDER_SIZE,
3035                       GDI_EVENT_MASK, event_mask,
3036                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
3037                       GDI_END);
3038
3039     if (gi == NULL)
3040       Error(ERR_EXIT, "cannot create gadget");
3041
3042     screen_gadget[id] = gi;
3043   }
3044 }
3045
3046 void CreateScreenGadgets()
3047 {
3048 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3049   int i;
3050
3051   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3052   {
3053     scrollbar_bitmap[i] = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
3054
3055     /* copy pointers to clip mask and GC */
3056     scrollbar_bitmap[i]->clip_mask =
3057       graphic_info[IMG_MENU_SCROLLBAR + i].clip_mask;
3058     scrollbar_bitmap[i]->stored_clip_gc =
3059       graphic_info[IMG_MENU_SCROLLBAR + i].clip_gc;
3060
3061     BlitBitmap(graphic_info[IMG_MENU_SCROLLBAR + i].bitmap,
3062                scrollbar_bitmap[i],
3063                graphic_info[IMG_MENU_SCROLLBAR + i].src_x,
3064                graphic_info[IMG_MENU_SCROLLBAR + i].src_y,
3065                TILEX, TILEY, 0, 0);
3066   }
3067 #endif
3068
3069   CreateScreenScrollbuttons();
3070   CreateScreenScrollbars();
3071 }
3072
3073 void FreeScreenGadgets()
3074 {
3075   int i;
3076
3077 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3078   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3079   {
3080     /* prevent freeing clip mask and GC twice */
3081     scrollbar_bitmap[i]->clip_mask = None;
3082     scrollbar_bitmap[i]->stored_clip_gc = None;
3083
3084     FreeBitmap(scrollbar_bitmap[i]);
3085   }
3086 #endif
3087
3088   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3089     FreeGadget(screen_gadget[i]);
3090 }
3091
3092 void MapChooseTreeGadgets(TreeInfo *ti)
3093 {
3094   int num_entries = numTreeInfoInGroup(ti);
3095   int i;
3096
3097   if (num_entries <= MAX_MENU_ENTRIES_ON_SCREEN)
3098     return;
3099
3100   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3101     MapGadget(screen_gadget[i]);
3102 }
3103
3104 void UnmapChooseTreeGadgets()
3105 {
3106   int i;
3107
3108   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3109     UnmapGadget(screen_gadget[i]);
3110 }
3111
3112 static void HandleScreenGadgets(struct GadgetInfo *gi)
3113 {
3114   int id = gi->custom_id;
3115
3116   if (game_status != CHOOSELEVEL && game_status != SETUP)
3117     return;
3118
3119   switch (id)
3120   {
3121     case SCREEN_CTRL_ID_SCROLL_UP:
3122       if (game_status == CHOOSELEVEL)
3123         HandleChooseLevel(SX,SY + 32, 0,0, MB_MENU_MARK);
3124       else if (game_status == SETUP)
3125         HandleSetupScreen(SX,SY + 32, 0,0, MB_MENU_MARK);
3126       break;
3127
3128     case SCREEN_CTRL_ID_SCROLL_DOWN:
3129       if (game_status == CHOOSELEVEL)
3130         HandleChooseLevel(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
3131       else if (game_status == SETUP)
3132         HandleSetupScreen(SX,SY + SYSIZE - 32, 0,0, MB_MENU_MARK);
3133       break;
3134
3135     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
3136       if (game_status == CHOOSELEVEL)
3137         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3138       else if (game_status == SETUP)
3139         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3140       break;
3141
3142     default:
3143       break;
3144   }
3145 }