b158d0dbce13ec9d4bf5b2462222468f811b8db0
[rocksndiamonds.git] / 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 #define mSX (SX + (game_status >= GAME_MODE_MAIN &&     \
75                    game_status <= GAME_MODE_SETUP ?     \
76                    menu.draw_xoffset[game_status] : menu.draw_xoffset_default))
77 #define mSY (SY + (game_status >= GAME_MODE_MAIN &&     \
78                    game_status <= GAME_MODE_SETUP ?     \
79                    menu.draw_yoffset[game_status] : menu.draw_yoffset_default))
80
81 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
82                                     menu.list_size[game_status] :       \
83                                     MAX_MENU_ENTRIES_ON_SCREEN)
84
85 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
86 #define NUM_SCROLLBAR_BITMAPS           2
87 static Bitmap *scrollbar_bitmap[NUM_SCROLLBAR_BITMAPS];
88 #endif
89
90
91 static void drawCursorExt(int xpos, int ypos, int color, int graphic)
92 {
93   static int cursor_array[SCR_FIELDY];
94
95   if (xpos == 0)
96   {
97     if (graphic != 0)
98       cursor_array[ypos] = graphic;
99     else
100       graphic = cursor_array[ypos];
101   }
102
103   if (color == FC_RED)
104     graphic = (graphic == IMG_MENU_BUTTON_LEFT  ? IMG_MENU_BUTTON_LEFT_ACTIVE :
105                graphic == IMG_MENU_BUTTON_RIGHT ? IMG_MENU_BUTTON_RIGHT_ACTIVE:
106                IMG_MENU_BUTTON_ACTIVE);
107
108   ypos += MENU_SCREEN_START_YPOS;
109
110   DrawBackground(mSX + xpos * TILEX, mSY + ypos * TILEY, TILEX, TILEY);
111   DrawGraphicThruMaskExt(drawto, mSX + xpos * TILEX, mSY + ypos * TILEY,
112                          graphic, 0);
113 }
114
115 static void initCursor(int ypos, int graphic)
116 {
117   drawCursorExt(0, ypos, FC_BLUE, graphic);
118 }
119
120 static void drawCursor(int ypos, int color)
121 {
122   drawCursorExt(0, ypos, color, 0);
123 }
124
125 static void drawCursorXY(int xpos, int ypos, int graphic)
126 {
127   drawCursorExt(xpos, ypos, -1, graphic);
128 }
129
130 static void drawChooseTreeCursor(int ypos, int color)
131 {
132   int last_game_status = game_status;   /* save current game status */
133
134   /* force LEVELS draw offset on artwork setup screen */
135   game_status = GAME_MODE_LEVELS;
136
137   drawCursorExt(0, ypos, color, 0);
138
139   game_status = last_game_status;       /* restore current game status */
140 }
141
142 static void PlaySound_Menu_Start(int sound)
143 {
144   if (sound_info[sound].loop)
145     PlaySoundLoop(sound);
146   else
147     PlaySound(sound);
148 }
149
150 static void PlaySound_Menu_Continue(int sound)
151 {
152   if (sound_info[sound].loop)
153     PlaySoundLoop(sound);
154 }
155
156 void DrawHeadline()
157 {
158   int text1_width = getTextWidth(PROGRAM_TITLE_STRING,   FONT_TITLE_1);
159   int text2_width = getTextWidth(WINDOW_SUBTITLE_STRING, FONT_TITLE_2);
160   int x1 = SX + (SXSIZE - text1_width) / 2;
161   int x2 = SX + (SXSIZE - text2_width) / 2;
162
163   DrawText(x1, SY + 8,  PROGRAM_TITLE_STRING,   FONT_TITLE_1);
164   DrawText(x2, SY + 46, WINDOW_SUBTITLE_STRING, FONT_TITLE_2);
165 }
166
167 static void ToggleFullscreenIfNeeded()
168 {
169   if (setup.fullscreen != video.fullscreen_enabled)
170   {
171     /* save old door content */
172     BlitBitmap(backbuffer, bitmap_db_door,
173                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
174
175     /* toggle fullscreen */
176     ChangeVideoModeIfNeeded(setup.fullscreen);
177     setup.fullscreen = video.fullscreen_enabled;
178
179     /* redraw background to newly created backbuffer */
180     BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
181                0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
182
183     /* restore old door content */
184     BlitBitmap(bitmap_db_door, backbuffer,
185                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
186
187     redraw_mask = REDRAW_ALL;
188   }
189 }
190
191 void DrawMainMenu()
192 {
193   static LevelDirTree *leveldir_last_valid = NULL;
194   char *name_text = (!options.network && setup.team_mode ? "Team:" : "Name:");
195   int name_width  = getTextWidth("Name:",  FONT_MENU_1);
196   int level_width = getTextWidth("Level:", FONT_MENU_1);
197   int i;
198
199   UnmapAllGadgets();
200   FadeSounds();
201
202   KeyboardAutoRepeatOn();
203   ActivateJoystick();
204
205   SetDrawDeactivationMask(REDRAW_NONE);
206   SetDrawBackgroundMask(REDRAW_FIELD);
207
208   audio.sound_deactivated = FALSE;
209
210   /* needed if last screen was the playing screen, invoked from level editor */
211   if (level_editor_test_game)
212   {
213     game_status = GAME_MODE_EDITOR;
214     DrawLevelEd();
215     return;
216   }
217
218   /* needed if last screen was the editor screen */
219   UndrawSpecialEditorDoor();
220
221   /* needed if last screen was the setup screen and fullscreen state changed */
222   ToggleFullscreenIfNeeded();
223
224   /* leveldir_current may be invalid (level group, parent link) */
225   if (!validLevelSeries(leveldir_current))
226     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
227
228   /* store valid level series information */
229   leveldir_last_valid = leveldir_current;
230
231   /* needed if last screen (level choice) changed graphics, sounds or music */
232   ReloadCustomArtwork();
233
234 #ifdef TARGET_SDL
235   SetDrawtoField(DRAW_BACKBUFFER);
236 #endif
237
238   /* map gadgets for main menu screen */
239   MapTapeButtons();
240
241   /* level_nr may have been set to value over handicap with level editor */
242   if (setup.handicap && level_nr > leveldir_current->handicap_level)
243     level_nr = leveldir_current->handicap_level;
244
245   GetPlayerConfig();
246   LoadLevel(level_nr);
247
248   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
249   ClearWindow();
250
251   DrawHeadline();
252
253   DrawText(mSX + 32, mSY + 2*32, name_text, FONT_MENU_1);
254   DrawText(mSX + 32, mSY + 3*32, "Level:", FONT_MENU_1);
255   DrawText(mSX + 32, mSY + 4*32, "Hall Of Fame", FONT_MENU_1);
256   DrawText(mSX + 32, mSY + 5*32, "Level Creator", FONT_MENU_1);
257   DrawText(mSX + 32, mSY + 6*32, "Info Screen", FONT_MENU_1);
258   DrawText(mSX + 32, mSY + 7*32, "Start Game", FONT_MENU_1);
259   DrawText(mSX + 32, mSY + 8*32, "Setup", FONT_MENU_1);
260   DrawText(mSX + 32, mSY + 9*32, "Quit", FONT_MENU_1);
261
262   DrawText(mSX + 32 + name_width, mSY + 2*32, setup.player_name, FONT_INPUT_1);
263   DrawText(mSX + level_width + 5 * 32, mSY + 3*32, int2str(level_nr,3),
264            FONT_VALUE_1);
265
266   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
267
268   DrawTextF(mSX + 32 + level_width - 2, mSY + 3*32 + 1, FONT_TEXT_3, "%d-%d",
269             leveldir_current->first_level, leveldir_current->last_level);
270
271   if (leveldir_current->readonly)
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 <= NUM_MENU_ENTRIES_ON_SCREEN)
317         num_page_entries = num_leveldirs;
318       else
319         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
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 - mSX) / 32;
347     y = (my - mSY) / 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 = GAME_MODE_PSEUDO_TYPENAME;
410         HandleTypeName(strlen(setup.player_name), 0);
411       }
412       else if (y == 1)
413       {
414         if (leveldir_first)
415         {
416           game_status = GAME_MODE_LEVELS;
417           SaveLevelSetup_LastSeries();
418           SaveLevelSetup_SeriesInfo();
419
420           gotoTopLevelDir();
421
422           DrawChooseLevel();
423         }
424       }
425       else if (y == 2)
426       {
427         game_status = GAME_MODE_SCORES;
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 = GAME_MODE_EDITOR;
436         DrawLevelEd();
437       }
438       else if (y == 4)
439       {
440         game_status = GAME_MODE_INFO;
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 = GAME_MODE_PLAYING;
455           StopAnimation();
456           InitGame();
457         }
458       }
459       else if (y == 6)
460       {
461         game_status = GAME_MODE_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 = GAME_MODE_QUIT;
471       }
472     }
473   }
474
475   BackToFront();
476
477   out:
478
479   if (game_status == GAME_MODE_MAIN)
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
495 static int helpscreen_action[] =
496 {
497   IMG_PLAYER_1_MOVING_DOWN,             16,
498   IMG_PLAYER_1_MOVING_UP,               16,
499   IMG_PLAYER_1_MOVING_LEFT,             16,
500   IMG_PLAYER_1_MOVING_RIGHT,            16,
501   IMG_PLAYER_1_PUSHING_LEFT,            16,
502   IMG_PLAYER_1_PUSHING_RIGHT,           16,                     HA_NEXT,
503
504   IMG_SAND,                             -1,                     HA_NEXT,
505
506   IMG_EMPTY_SPACE,                      -1,                     HA_NEXT,
507
508   IMG_QUICKSAND_EMPTY,                  -1,                     HA_NEXT,
509
510   IMG_STEELWALL,                        -1,                     HA_NEXT,
511
512   IMG_WALL,                             -1,                     HA_NEXT,
513
514   IMG_EXPANDABLE_WALL_GROWING_LEFT,     20,
515   IMG_WALL,                             50,
516   IMG_EMPTY_SPACE,                      20,
517   IMG_EXPANDABLE_WALL_GROWING_RIGHT,    20,
518   IMG_WALL,                             50,
519   IMG_EMPTY_SPACE,                      20,
520   IMG_EXPANDABLE_WALL_GROWING_UP,       20,
521   IMG_WALL,                             50,
522   IMG_EMPTY_SPACE,                      20,
523   IMG_EXPANDABLE_WALL_GROWING_DOWN,     20,
524   IMG_WALL,                             50,
525   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
526
527   IMG_INVISIBLE_WALL,                   -1,                     HA_NEXT,
528
529   IMG_WALL_SLIPPERY,                    -1,                     HA_NEXT,
530
531   IMG_FONT_GAME_INFO,                   -1,                     HA_NEXT,
532
533   IMG_EMERALD,                          -1,                     HA_NEXT,
534
535   IMG_DIAMOND,                          -1,                     HA_NEXT,
536
537   IMG_BD_DIAMOND,                       -1,                     HA_NEXT,
538
539   IMG_EMERALD_YELLOW,                   50,
540   IMG_EMERALD_RED,                      50,
541   IMG_EMERALD_PURPLE,                   50,                     HA_NEXT,
542
543   IMG_BD_ROCK,                          -1,                     HA_NEXT,
544
545   IMG_BOMB,                             100,
546   IMG_EXPLOSION,                        16,
547   IMG_EMPTY_SPACE,                      10,                     HA_NEXT,
548
549   IMG_NUT,                              100,
550   IMG_NUT_BREAKING,                     6,
551   IMG_EMERALD,                          20,                     HA_NEXT,
552
553   IMG_WALL_EMERALD,                     100,
554   IMG_EXPLOSION,                        16,
555   IMG_EMERALD,                          20,                     HA_NEXT,
556
557   IMG_WALL_DIAMOND,                     100,
558   IMG_EXPLOSION,                        16,
559   IMG_DIAMOND,                          20,                     HA_NEXT,
560
561   IMG_WALL_BD_DIAMOND,                  100,
562   IMG_EXPLOSION,                        16,
563   IMG_BD_DIAMOND,                       20,                     HA_NEXT,
564
565   IMG_WALL_EMERALD_YELLOW,              100,
566   IMG_EXPLOSION,                        16,
567   IMG_EMERALD_YELLOW,                   20,
568   IMG_WALL_EMERALD_RED,                 100,
569   IMG_EXPLOSION,                        16,
570   IMG_EMERALD_RED,                      20,
571   IMG_WALL_EMERALD_PURPLE,              100,
572   IMG_EXPLOSION,                        16,
573   IMG_EMERALD_PURPLE,                   20,                     HA_NEXT,
574
575   IMG_ACID,                             -1,                     HA_NEXT,
576
577   IMG_KEY_1,                            50,
578   IMG_KEY_2,                            50,
579   IMG_KEY_3,                            50,
580   IMG_KEY_4,                            50,                     HA_NEXT,
581
582   IMG_GATE_1,                           50,
583   IMG_GATE_2,                           50,
584   IMG_GATE_3,                           50,
585   IMG_GATE_4,                           50,                     HA_NEXT,
586
587   IMG_GATE_1_GRAY,                      50,
588   IMG_GATE_2_GRAY,                      50,
589   IMG_GATE_3_GRAY,                      50,
590   IMG_GATE_4_GRAY,                      50,                     HA_NEXT,
591
592   IMG_DYNAMITE,                         -1,                     HA_NEXT,
593
594   IMG_DYNAMITE_ACTIVE,                  96,
595   IMG_EXPLOSION,                        16,
596   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
597
598   IMG_DYNABOMB_ACTIVE,                  100,
599   IMG_EXPLOSION,                        16,
600   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
601
602   IMG_DYNABOMB_INCREASE_NUMBER,         -1,                     HA_NEXT,
603
604   IMG_DYNABOMB_INCREASE_SIZE,           -1,                     HA_NEXT,
605
606   IMG_DYNABOMB_INCREASE_POWER,          -1,                     HA_NEXT,
607
608   IMG_SPACESHIP_RIGHT,                  16,
609   IMG_SPACESHIP_UP,                     16,
610   IMG_SPACESHIP_LEFT,                   16,
611   IMG_SPACESHIP_DOWN,                   16,                     HA_NEXT,
612
613   IMG_BUG_RIGHT,                        16,
614   IMG_BUG_UP,                           16,
615   IMG_BUG_LEFT,                         16,
616   IMG_BUG_DOWN,                         16,                     HA_NEXT,
617
618   IMG_BD_BUTTERFLY,                     -1,                     HA_NEXT,
619
620   IMG_BD_FIREFLY,                       -1,                     HA_NEXT,
621
622   IMG_PACMAN_RIGHT,                     16,
623   IMG_PACMAN_UP,                        16,
624   IMG_PACMAN_LEFT,                      16,
625   IMG_PACMAN_DOWN,                      16,                     HA_NEXT,
626
627   IMG_YAMYAM,                           -1,                     HA_NEXT,
628
629   IMG_DARK_YAMYAM,                      -1,                     HA_NEXT,
630
631   IMG_ROBOT,                            -1,                     HA_NEXT,
632
633   IMG_MOLE_MOVING_RIGHT,                16,
634   IMG_MOLE_MOVING_UP,                   16,
635   IMG_MOLE_MOVING_LEFT,                 16,
636   IMG_MOLE_MOVING_DOWN,                 16,                     HA_NEXT,
637
638   IMG_PENGUIN_MOVING_RIGHT,             16,
639   IMG_PENGUIN_MOVING_UP,                16,
640   IMG_PENGUIN_MOVING_LEFT,              16,
641   IMG_PENGUIN_MOVING_DOWN,              16,                     HA_NEXT,
642
643   IMG_PIG_MOVING_RIGHT,                 16,
644   IMG_PIG_MOVING_UP,                    16,
645   IMG_PIG_MOVING_LEFT,                  16,
646   IMG_PIG_MOVING_DOWN,                  16,                     HA_NEXT,
647
648   IMG_DRAGON_MOVING_RIGHT,              16,
649   IMG_DRAGON_MOVING_UP,                 16,
650   IMG_DRAGON_MOVING_LEFT,               16,
651   IMG_DRAGON_MOVING_DOWN,               16,                     HA_NEXT,
652
653   IMG_SATELLITE,                        -1,                     HA_NEXT,
654
655   IMG_ROBOT_WHEEL,                      50,
656   IMG_ROBOT_WHEEL_ACTIVE,               100,                    HA_NEXT,
657
658   IMG_LAMP,                             50,
659   IMG_LAMP_ACTIVE,                      50,                     HA_NEXT,
660
661   IMG_TIME_ORB_FULL,                    50,
662   IMG_TIME_ORB_EMPTY,                   50,                     HA_NEXT,
663
664   IMG_AMOEBA_DROP,                      50,
665   IMG_AMOEBA_GROWING,                   6,
666   IMG_AMOEBA_WET,                       20,                     HA_NEXT,
667
668   IMG_AMOEBA_DEAD,                      -1,                     HA_NEXT,
669
670   IMG_AMOEBA_WET,                       -1,                     HA_NEXT,
671
672   IMG_AMOEBA_WET,                       100,
673   IMG_AMOEBA_GROWING,                   6,                      HA_NEXT,
674
675   IMG_AMOEBA_FULL,                      50,
676   IMG_AMOEBA_DEAD,                      50,
677   IMG_EXPLOSION,                        16,
678   IMG_DIAMOND,                          20,                     HA_NEXT,
679
680   IMG_GAME_OF_LIFE,                     -1,                     HA_NEXT,
681
682   IMG_BIOMAZE,                          -1,                     HA_NEXT,
683
684   IMG_MAGIC_WALL_ACTIVE,                -1,                     HA_NEXT,
685
686   IMG_BD_MAGIC_WALL_ACTIVE,             -1,                     HA_NEXT,
687
688   IMG_EXIT_CLOSED,                      200,
689   IMG_EXIT_OPENING,                     16,
690   IMG_EXIT_OPEN,                        100,                    HA_NEXT,
691
692   IMG_EXIT_OPEN,                        -1,                     HA_NEXT,
693
694   IMG_SOKOBAN_OBJECT,                   -1,                     HA_NEXT,
695
696   IMG_SOKOBAN_FIELD_EMPTY,              -1,                     HA_NEXT,
697
698   IMG_SOKOBAN_FIELD_FULL,               -1,                     HA_NEXT,
699
700   IMG_SPEED_PILL,                       -1,                     HA_NEXT,
701
702   HA_END
703 };
704 static char *helpscreen_eltext[][2] =
705 {
706  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
707  {"Normal sand:",                       "You can dig through it"},
708  {"Empty field:",                       "You can walk through it"},
709  {"Quicksand: You cannot pass it,",     "but rocks can fall through it"},
710  {"Massive Wall:",                      "Nothing can go through it"},
711  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
712  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
713  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
714  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
715  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
716  {"Emerald: You must collect enough of","them to finish a level"},
717  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
718  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
719  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
720  {"Rock: Smashes several things;",      "Can be moved by the player"},
721  {"Bomb: You can move it, but be",      "careful when dropping it"},
722  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
723  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
724  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
725  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
726  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
727  {"Acid: Things that fall in are gone", "forever (including our hero)"},
728  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
729  {"Door: Can be opened by the key",     "with the same color"},
730  {"Door: You have to find out the",     "right color of the key for it"},
731  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
732  {"Dynamite: This one explodes after",  "a few seconds"},
733  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
734  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
735  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
736  {"Dyna Bomb: Increases the power of",  "explosion of dyna bombs"},
737  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
738  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
739  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
740  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
741  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
742  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
743  {"Cruncher (BD style):",               "Eats almost everything"},
744  {"Robot: Tries to kill the player",    ""},
745  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
746  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
747  {"The Pig: Harmless, but eats all",    "gems it can get"},
748  {"The Dragon: Breathes fire,",         "especially to some monsters"},
749  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
750  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
751  {"Light Bulb: All of them must be",    "switched on to finish a level"},
752  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
753  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
754  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
755  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
756  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
757  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
758  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
759  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
760  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
761  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
762  {"Exit door: Opens if you have enough","emeralds to finish the level"},
763  {"Open exit door: Enter here to leave","the level and exit the actual game"},
764  {"Sokoban element: Object which must", "be pushed to an empty field"},
765  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
766  {"Sokoban element: Field with object", "which can be pushed away"},
767  {"Speed pill: Lets the player run",    "twice as fast as normally"},
768 };
769 static int num_helpscreen_els = sizeof(helpscreen_eltext) / (2*sizeof(char *));
770
771 static char *helpscreen_music[][3] =
772 {
773   { "Alchemy",                  "Ian Boddy",            "Drive" },
774   { "The Chase",                "Propaganda",           "A Secret Wish" },
775   { "Network 23",               "Tangerine Dream",      "Exit" },
776   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
777   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
778   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
779   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
780 };
781 static int num_helpscreen_music = 7;
782 static int helpscreen_musicpos;
783
784 #if 0
785 void OLD_DrawHelpScreenElAction(int start)
786 {
787   int i = 0, j = 0;
788   int frame, graphic;
789   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
790
791   while(helpscreen_action[j] != HA_END)
792   {
793     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
794       break;
795     else if (i<start || helpscreen_delay[i-start])
796     {
797       if (i>=start && helpscreen_delay[i-start])
798         helpscreen_delay[i-start]--;
799
800       while(helpscreen_action[j] != HA_NEXT)
801         j++;
802       j++;
803       i++;
804       continue;
805     }
806
807     j += 3*helpscreen_step[i-start];
808     graphic = helpscreen_action[j++];
809
810     if (helpscreen_frame[i-start])
811     {
812       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
813       helpscreen_frame[i-start]--;
814     }
815     else
816     {
817       frame = 0;
818       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
819     }
820
821     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
822
823     if (helpscreen_action[j] == HA_NEXT)
824     {
825       if (!helpscreen_frame[i-start])
826         helpscreen_step[i-start] = 0;
827     }
828     else
829     {
830       if (!helpscreen_frame[i-start])
831         helpscreen_step[i-start]++;
832       while(helpscreen_action[j] != HA_NEXT)
833         j++;
834     }
835     j++;
836
837     DrawOldGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
838     i++;
839   }
840
841   for(i=2;i<16;i++)
842   {
843     MarkTileDirty(0,i);
844     MarkTileDirty(1,i);
845   }
846 }
847 #endif
848
849 void DrawHelpScreenElAction(int start)
850 {
851   int i = 0, j = 0;
852   int xstart = mSX + 16;
853   int ystart = mSY + 64 + 2 * 32;
854   int ystep = TILEY + 4;
855   int graphic;
856   int frame_count;
857   int sync_frame;
858
859   while (helpscreen_action[j] != HA_END)
860   {
861     if (i >= start + MAX_HELPSCREEN_ELS || i >= num_helpscreen_els)
862       break;
863     else if (i < start)
864     {
865       while (helpscreen_action[j] != HA_NEXT)
866         j++;
867
868       j++;
869       i++;
870
871       continue;
872     }
873
874     j += 2 * helpscreen_step[i-start];
875     graphic = helpscreen_action[j++];
876     frame_count = helpscreen_action[j++];
877     if (frame_count == -1)
878       frame_count = 1000000;
879
880     if (helpscreen_frame[i-start] == 0)
881     {
882       sync_frame = 0;
883       helpscreen_frame[i-start] = frame_count - 1;
884     }
885     else
886     {
887       sync_frame = frame_count - helpscreen_frame[i-start];
888       helpscreen_frame[i-start]--;
889     }
890
891     if (helpscreen_action[j] == HA_NEXT)
892     {
893       if (!helpscreen_frame[i-start])
894         helpscreen_step[i-start] = 0;
895     }
896     else
897     {
898       if (!helpscreen_frame[i-start])
899         helpscreen_step[i-start]++;
900       while(helpscreen_action[j] != HA_NEXT)
901         j++;
902     }
903     j++;
904
905 #if 1
906     ClearRectangleOnBackground(drawto, xstart, ystart + (i - start) * ystep,
907                                TILEX, TILEY);
908     DrawGraphicAnimationExt(drawto, xstart, ystart + (i - start) * ystep,
909                             graphic, sync_frame, USE_MASKING);
910 #else
911     frame = getGraphicAnimationFrame(graphic, sync_frame);
912
913     DrawGraphicExt(drawto, xstart, ystart + (i-start) * ystep,
914                    graphic, frame);
915 #endif
916
917     i++;
918   }
919
920 #if 1
921   redraw_mask |= REDRAW_FIELD;
922 #else
923   for(i=2; i<16; i++)
924   {
925     MarkTileDirty(0, i);
926     MarkTileDirty(1, i);
927   }
928 #endif
929
930   FrameCounter++;
931 }
932
933 void DrawHelpScreenElText(int start)
934 {
935   int i;
936   int xstart = mSX + 56, ystart = mSY + 65 + 2 * 32, ystep = TILEY + 4;
937   int ybottom = SYSIZE - 20;
938
939   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
940   ClearWindow();
941   DrawHeadline();
942
943   DrawTextFCentered(100, FONT_TEXT_1, "The game elements:");
944
945   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
946   {
947     DrawText(xstart,
948              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
949              helpscreen_eltext[i][0], FONT_TEXT_2);
950     DrawText(xstart, ystart + (i - start) * ystep + 16,
951              helpscreen_eltext[i][1], FONT_TEXT_2);
952   }
953
954   DrawTextFCentered(ybottom, FONT_TEXT_4,
955                     "Press any key or button for next page");
956 }
957
958 void DrawHelpScreenMusicText(int num)
959 {
960   int ystart = 150, ystep = 30;
961   int ybottom = SYSIZE - 20;
962
963   FadeSounds();
964   ClearWindow();
965   DrawHeadline();
966
967   DrawTextFCentered(100, FONT_TEXT_1, "The game background music loops:");
968
969   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "Excerpt from");
970   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3,
971                     "\"%s\"", helpscreen_music[num][0]);
972   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "by");
973   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3,
974                     "%s", helpscreen_music[num][1]);
975   DrawTextFCentered(ystart + 4 * ystep, FONT_TEXT_2, "from the album");
976   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_3,
977                     "\"%s\"", helpscreen_music[num][2]);
978
979   DrawTextFCentered(ybottom, FONT_TEXT_4,
980                     "Press any key or button for next page");
981
982 #if 0
983   PlaySoundLoop(background_loop[num]);
984 #endif
985 }
986
987 void DrawHelpScreenCreditsText()
988 {
989   int ystart = 150, ystep = 30;
990   int ybottom = SYSIZE - 20;
991
992   FadeSounds();
993   ClearWindow();
994   DrawHeadline();
995
996   DrawTextFCentered(100, FONT_TEXT_1, "Credits:");
997   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "DOS port of the game:");
998   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3, "Guido Schulz");
999   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "Additional toons:");
1000   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3, "Karl Hörnell");
1001   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_2,
1002                     "...and many thanks to all contributors");
1003   DrawTextFCentered(ystart + 6 * ystep, FONT_TEXT_2, "of new levels!");
1004
1005   DrawTextFCentered(ybottom, FONT_TEXT_4,
1006                     "Press any key or button for next page");
1007 }
1008
1009 void DrawHelpScreenContactText()
1010 {
1011   int ystart = 150, ystep = 30;
1012   int ybottom = SYSIZE - 20;
1013
1014   ClearWindow();
1015   DrawHeadline();
1016
1017   DrawTextFCentered(100, FONT_TEXT_1, "Program information:");
1018
1019   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2,
1020                     "This game is Freeware!");
1021   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_2,
1022                     "If you like it, send e-mail to:");
1023   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_3,
1024                     "info@artsoft.org");
1025   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_2,
1026                     "or SnailMail to:");
1027   DrawTextFCentered(ystart + 4 * ystep + 0, FONT_TEXT_3,
1028                     "Holger Schemel");
1029   DrawTextFCentered(ystart + 4 * ystep + 20, FONT_TEXT_3,
1030                     "Detmolder Strasse 189");
1031   DrawTextFCentered(ystart + 4 * ystep + 40, FONT_TEXT_3,
1032                     "33604 Bielefeld");
1033   DrawTextFCentered(ystart + 4 * ystep + 60, FONT_TEXT_3,
1034                     "Germany");
1035
1036   DrawTextFCentered(ystart + 7 * ystep, FONT_TEXT_2,
1037                     "If you have created new levels,");
1038   DrawTextFCentered(ystart + 8 * ystep, FONT_TEXT_2,
1039                     "send them to me to include them!");
1040   DrawTextFCentered(ystart + 9 * ystep, FONT_TEXT_2,
1041                     ":-)");
1042
1043   DrawTextFCentered(ybottom, FONT_TEXT_4,
1044                     "Press any key or button for main menu");
1045 }
1046
1047 void DrawHelpScreen()
1048 {
1049   int i;
1050
1051   UnmapAllGadgets();
1052   CloseDoor(DOOR_CLOSE_2);
1053
1054   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1055     helpscreen_step[i] = helpscreen_frame[i] = 0;
1056   helpscreen_musicpos = 0;
1057   helpscreen_state = 0;
1058
1059   DrawHelpScreenElText(0);
1060   DrawHelpScreenElAction(0);
1061
1062   FadeToFront();
1063   InitAnimation();
1064
1065 #if 0
1066   PlaySoundLoop(SND_BACKGROUND_INFO);
1067 #else
1068   PlaySound_Menu_Start(SND_BACKGROUND_INFO);
1069 #endif
1070 }
1071
1072 void HandleHelpScreen(int button)
1073 {
1074   static unsigned long hs_delay = 0;
1075   int num_helpscreen_els_pages =
1076     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
1077   int button_released = !button;
1078   int i;
1079
1080   if (button_released)
1081   {
1082     if (helpscreen_state < num_helpscreen_els_pages - 1)
1083     {
1084       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1085         helpscreen_step[i] = helpscreen_frame[i] = 0;
1086       helpscreen_state++;
1087
1088       FrameCounter = 0;
1089       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
1090       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1091     }
1092     else if (helpscreen_state <
1093              num_helpscreen_els_pages + num_helpscreen_music - 1)
1094     {
1095       helpscreen_state++;
1096       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
1097     }
1098     else if (helpscreen_state ==
1099              num_helpscreen_els_pages + num_helpscreen_music - 1)
1100     {
1101       helpscreen_state++;
1102       DrawHelpScreenCreditsText();
1103     }
1104     else if (helpscreen_state ==
1105              num_helpscreen_els_pages + num_helpscreen_music)
1106     {
1107       helpscreen_state++;
1108       DrawHelpScreenContactText();
1109     }
1110     else
1111     {
1112       FadeSounds();
1113
1114       game_status = GAME_MODE_MAIN;
1115       DrawMainMenu();
1116     }
1117   }
1118   else
1119   {
1120     if (DelayReached(&hs_delay, GAME_FRAME_DELAY))
1121     {
1122       if (helpscreen_state < num_helpscreen_els_pages)
1123         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1124     }
1125
1126     /* !!! workaround for playing "music" that is really a sound loop (and
1127        must therefore periodically be reactivated with the current sound
1128        engine !!! */
1129 #if 0
1130     PlaySoundLoop(SND_BACKGROUND_INFO);
1131 #else
1132     PlaySound_Menu_Continue(SND_BACKGROUND_INFO);
1133 #endif
1134
1135     DoAnimation();
1136   }
1137
1138   BackToFront();
1139 }
1140
1141 void HandleTypeName(int newxpos, Key key)
1142 {
1143   static int xpos = 0, ypos = 2;
1144   int font_width = getFontWidth(FONT_INPUT_1_ACTIVE);
1145   int name_width = getFontWidth(FONT_MENU_1) * strlen("Name:");
1146   int startx = mSX + 32 + name_width;
1147   int starty = mSY + ypos * 32;
1148
1149   if (newxpos)
1150   {
1151     xpos = newxpos;
1152
1153     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1154     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1155
1156     return;
1157   }
1158
1159   if (((key >= KSYM_A && key <= KSYM_Z) ||
1160        (key >= KSYM_a && key <= KSYM_z)) && 
1161       xpos < MAX_PLAYER_NAME_LEN)
1162   {
1163     char ascii;
1164
1165     if (key >= KSYM_A && key <= KSYM_Z)
1166       ascii = 'A' + (char)(key - KSYM_A);
1167     else
1168       ascii = 'a' + (char)(key - KSYM_a);
1169
1170     setup.player_name[xpos] = ascii;
1171     setup.player_name[xpos + 1] = 0;
1172     xpos++;
1173
1174     DrawText(startx, starty, setup.player_name, FONT_INPUT_1_ACTIVE);
1175     DrawText(startx + xpos * font_width, starty, "_", FONT_INPUT_1_ACTIVE);
1176   }
1177   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
1178   {
1179     xpos--;
1180     setup.player_name[xpos] = 0;
1181
1182     DrawText(startx + xpos * font_width, starty, "_ ", FONT_INPUT_1_ACTIVE);
1183   }
1184   else if (key == KSYM_Return && xpos > 0)
1185   {
1186     DrawText(startx, starty, setup.player_name, FONT_INPUT_1);
1187     DrawText(startx + xpos * font_width, starty, " ", FONT_INPUT_1_ACTIVE);
1188
1189     SaveSetup();
1190     game_status = GAME_MODE_MAIN;
1191   }
1192
1193   BackToFront();
1194 }
1195
1196 static void DrawChooseTree(TreeInfo **ti_ptr)
1197 {
1198   UnmapAllGadgets();
1199
1200   FreeScreenGadgets();
1201   CreateScreenGadgets();
1202
1203   CloseDoor(DOOR_CLOSE_2);
1204
1205   ClearWindow();
1206
1207   HandleChooseTree(0,0, 0,0, MB_MENU_INITIALIZE, ti_ptr);
1208   MapChooseTreeGadgets(*ti_ptr);
1209
1210   FadeToFront();
1211   InitAnimation();
1212 }
1213
1214 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1215 {
1216   struct GadgetInfo *gi = screen_gadget[id];
1217   int items_max, items_visible, item_position;
1218
1219   items_max = numTreeInfoInGroup(ti);
1220   items_visible = NUM_MENU_ENTRIES_ON_SCREEN;
1221   item_position = first_entry;
1222
1223   if (item_position > items_max - items_visible)
1224     item_position = items_max - items_visible;
1225
1226   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1227                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1228                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1229 }
1230
1231 static void drawChooseTreeList(int first_entry, int num_page_entries,
1232                                TreeInfo *ti)
1233 {
1234   int i;
1235   char buffer[SCR_FIELDX * 2];
1236   int max_buffer_len = (SCR_FIELDX - 2) * 2;
1237   char *title_string = NULL;
1238   int xoffset_setup = 16;
1239   int yoffset_setup = 16;
1240   int xoffset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : xoffset_setup);
1241   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ? 0 : yoffset_setup);
1242   int last_game_status = game_status;   /* save current game status */
1243
1244 #if 1
1245   DrawBackground(mSX, mSY, SXSIZE - 32 + menu.scrollbar_xoffset, SYSIZE);
1246 #else
1247   DrawBackground(SX, SY, SXSIZE - 32, SYSIZE);
1248 #endif
1249
1250   title_string =
1251     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
1252      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
1253      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
1254      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
1255
1256   DrawText(SX + xoffset, SY + yoffset, title_string, FONT_TITLE_1);
1257
1258   /* force LEVELS font on artwork setup screen */
1259   game_status = GAME_MODE_LEVELS;
1260
1261   for(i=0; i<num_page_entries; i++)
1262   {
1263     TreeInfo *node, *node_first;
1264     int entry_pos = first_entry + i;
1265     int ypos = MENU_SCREEN_START_YPOS + i;
1266
1267     node_first = getTreeInfoFirstGroupEntry(ti);
1268     node = getTreeInfoFromPos(node_first, entry_pos);
1269
1270     strncpy(buffer, node->name , max_buffer_len);
1271     buffer[max_buffer_len] = '\0';
1272
1273     DrawText(mSX + 32, mSY + ypos * 32, buffer, FONT_TEXT_1 + node->color);
1274
1275     if (node->parent_link)
1276       initCursor(i, IMG_MENU_BUTTON_LEFT);
1277     else if (node->level_group)
1278       initCursor(i, IMG_MENU_BUTTON_RIGHT);
1279     else
1280       initCursor(i, IMG_MENU_BUTTON);
1281   }
1282
1283   game_status = last_game_status;       /* restore current game status */
1284
1285   redraw_mask |= REDRAW_FIELD;
1286 }
1287
1288 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1289 {
1290   TreeInfo *node, *node_first;
1291   int x, last_redraw_mask = redraw_mask;
1292
1293   if (ti->type != TREE_TYPE_LEVEL_DIR)
1294     return;
1295
1296   node_first = getTreeInfoFirstGroupEntry(ti);
1297   node = getTreeInfoFromPos(node_first, entry_pos);
1298
1299   DrawBackground(SX + 32, SY + 32, SXSIZE - 64, 32);
1300
1301   if (node->parent_link)
1302     DrawTextFCentered(40, FONT_TITLE_2, "leave group \"%s\"",
1303                       node->class_desc);
1304   else if (node->level_group)
1305     DrawTextFCentered(40, FONT_TITLE_2, "enter group \"%s\"",
1306                       node->class_desc);
1307   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1308     DrawTextFCentered(40, FONT_TITLE_2, "%3d levels (%s)",
1309                       node->levels, node->class_desc);
1310
1311   /* let BackToFront() redraw only what is needed */
1312   redraw_mask = last_redraw_mask | REDRAW_TILES;
1313   for (x=0; x<SCR_FIELDX; x++)
1314     MarkTileDirty(x, 1);
1315 }
1316
1317 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1318                              TreeInfo **ti_ptr)
1319 {
1320   TreeInfo *ti = *ti_ptr;
1321   int x = 0;
1322   int y = ti->cl_cursor;
1323   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1324   int num_entries = numTreeInfoInGroup(ti);
1325   int num_page_entries;
1326   int last_game_status = game_status;   /* save current game status */
1327
1328   /* force LEVELS draw offset on choose level and artwork setup screen */
1329   game_status = GAME_MODE_LEVELS;
1330
1331   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
1332     num_page_entries = num_entries;
1333   else
1334     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1335
1336   game_status = last_game_status;       /* restore current game status */
1337
1338   if (button == MB_MENU_INITIALIZE)
1339   {
1340     int num_entries = numTreeInfoInGroup(ti);
1341     int entry_pos = posTreeInfo(ti);
1342
1343     if (ti->cl_first == -1)
1344     {
1345       /* only on initialization */
1346       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1347       ti->cl_cursor = entry_pos - ti->cl_first;
1348     }
1349     else if (ti->cl_cursor >= num_page_entries ||
1350              (num_entries > num_page_entries &&
1351               num_entries - ti->cl_first < num_page_entries))
1352     {
1353       /* only after change of list size (by custom graphic configuration) */
1354       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1355       ti->cl_cursor = entry_pos - ti->cl_first;
1356     }
1357
1358     if (dx == 999)      /* first entry is set by scrollbar position */
1359       ti->cl_first = dy;
1360     else
1361       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1362                                 ti->cl_first, ti);
1363
1364     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1365     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1366     drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1367
1368     return;
1369   }
1370   else if (button == MB_MENU_LEAVE)
1371   {
1372     if (ti->node_parent)
1373     {
1374       *ti_ptr = ti->node_parent;
1375       DrawChooseTree(ti_ptr);
1376     }
1377     else if (game_status == GAME_MODE_SETUP)
1378     {
1379       execSetupArtwork();
1380     }
1381     else
1382     {
1383       game_status = GAME_MODE_MAIN;
1384       DrawMainMenu();
1385     }
1386
1387     return;
1388   }
1389
1390   if (mx || my)         /* mouse input */
1391   {
1392     int last_game_status = game_status; /* save current game status */
1393
1394     /* force LEVELS draw offset on artwork setup screen */
1395     game_status = GAME_MODE_LEVELS;
1396
1397     x = (mx - mSX) / 32;
1398     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
1399
1400     game_status = last_game_status;     /* restore current game status */
1401   }
1402   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
1403   {
1404     /* move cursor instead of scrolling when already at start/end of list */
1405     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
1406       dy = -1;
1407     else if (dy == +1 * SCROLL_LINE &&
1408              ti->cl_first + num_page_entries == num_entries)
1409       dy = 1;
1410
1411     /* handle scrolling screen one line or page */
1412     if (ti->cl_cursor + dy < 0 ||
1413         ti->cl_cursor + dy > num_page_entries - 1)
1414     {
1415       if (ABS(dy) == SCROLL_PAGE)
1416         step = num_page_entries - 1;
1417
1418       if (dy < 0 && ti->cl_first > 0)
1419       {
1420         /* scroll page/line up */
1421
1422         ti->cl_first -= step;
1423         if (ti->cl_first < 0)
1424           ti->cl_first = 0;
1425
1426         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1427         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1428         drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1429         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1430                                   ti->cl_first, ti);
1431       }
1432       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
1433       {
1434         /* scroll page/line down */
1435
1436         ti->cl_first += step;
1437         if (ti->cl_first + num_page_entries > num_entries)
1438           ti->cl_first = MAX(0, num_entries - num_page_entries);
1439
1440         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1441         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1442         drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1443         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1444                                   ti->cl_first, ti);
1445       }
1446
1447       return;
1448     }
1449
1450     /* handle moving cursor one line */
1451     y = ti->cl_cursor + dy;
1452   }
1453
1454   if (dx == 1)
1455   {
1456     TreeInfo *node_first, *node_cursor;
1457     int entry_pos = ti->cl_first + y;
1458
1459     node_first = getTreeInfoFirstGroupEntry(ti);
1460     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1461
1462     if (node_cursor->node_group)
1463     {
1464       node_cursor->cl_first = ti->cl_first;
1465       node_cursor->cl_cursor = ti->cl_cursor;
1466       *ti_ptr = node_cursor->node_group;
1467       DrawChooseTree(ti_ptr);
1468
1469       return;
1470     }
1471   }
1472   else if (dx == -1 && ti->node_parent)
1473   {
1474     *ti_ptr = ti->node_parent;
1475     DrawChooseTree(ti_ptr);
1476
1477     return;
1478   }
1479
1480   if (x == 0 && y >= 0 && y < num_page_entries)
1481   {
1482     if (button)
1483     {
1484       if (y != ti->cl_cursor)
1485       {
1486         drawChooseTreeCursor(y, FC_RED);
1487         drawChooseTreeCursor(ti->cl_cursor, FC_BLUE);
1488         drawChooseTreeInfo(ti->cl_first + y, ti);
1489         ti->cl_cursor = y;
1490       }
1491     }
1492     else
1493     {
1494       TreeInfo *node_first, *node_cursor;
1495       int entry_pos = ti->cl_first + y;
1496
1497       node_first = getTreeInfoFirstGroupEntry(ti);
1498       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1499
1500       if (node_cursor->node_group)
1501       {
1502         node_cursor->cl_first = ti->cl_first;
1503         node_cursor->cl_cursor = ti->cl_cursor;
1504         *ti_ptr = node_cursor->node_group;
1505         DrawChooseTree(ti_ptr);
1506       }
1507       else if (node_cursor->parent_link)
1508       {
1509         *ti_ptr = node_cursor->node_parent;
1510         DrawChooseTree(ti_ptr);
1511       }
1512       else
1513       {
1514         node_cursor->cl_first = ti->cl_first;
1515         node_cursor->cl_cursor = ti->cl_cursor;
1516         *ti_ptr = node_cursor;
1517
1518         if (ti->type == TREE_TYPE_LEVEL_DIR)
1519         {
1520           LoadLevelSetup_SeriesInfo();
1521
1522           SaveLevelSetup_LastSeries();
1523           SaveLevelSetup_SeriesInfo();
1524           TapeErase();
1525         }
1526
1527         if (game_status == GAME_MODE_SETUP)
1528         {
1529           execSetupArtwork();
1530         }
1531         else
1532         {
1533           game_status = GAME_MODE_MAIN;
1534           DrawMainMenu();
1535         }
1536       }
1537     }
1538   }
1539
1540   BackToFront();
1541
1542   if (game_status == GAME_MODE_LEVELS || game_status == GAME_MODE_SETUP)
1543     DoAnimation();
1544 }
1545
1546 void DrawChooseLevel()
1547 {
1548   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
1549
1550   DrawChooseTree(&leveldir_current);
1551 }
1552
1553 void HandleChooseLevel(int mx, int my, int dx, int dy, int button)
1554 {
1555   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
1556 }
1557
1558 void DrawHallOfFame(int highlight_position)
1559 {
1560   UnmapAllGadgets();
1561   FadeSounds();
1562   CloseDoor(DOOR_CLOSE_2);
1563
1564   if (highlight_position < 0) 
1565     LoadScore(level_nr);
1566
1567   FadeToFront();
1568   InitAnimation();
1569
1570   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1571
1572 #if 0
1573   PlaySound(SND_BACKGROUND_SCORES);
1574 #else
1575   PlaySound_Menu_Start(SND_BACKGROUND_SCORES);
1576 #endif
1577 }
1578
1579 static void drawHallOfFameList(int first_entry, int highlight_position)
1580 {
1581   int i;
1582
1583   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
1584   ClearWindow();
1585
1586   DrawText(mSX + 80, mSY + 8, "Hall Of Fame", FONT_TITLE_1);
1587   DrawTextFCentered(46, FONT_TITLE_2, "HighScores of Level %d", level_nr);
1588
1589   for(i=0; i<NUM_MENU_ENTRIES_ON_SCREEN; i++)
1590   {
1591     int entry = first_entry + i;
1592     boolean active = (entry == highlight_position);
1593     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
1594     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
1595     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
1596     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
1597     int dx1 = 3 * getFontWidth(font_nr1);
1598     int dx2 = dx1 + getFontWidth(font_nr1);
1599     int dx3 = dx2 + 25 * getFontWidth(font_nr3);
1600     int sy = mSY + 64 + i * 32;
1601
1602     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
1603     DrawText(mSX + dx1, sy, ".", font_nr1);
1604     DrawText(mSX + dx2, sy, ".........................", font_nr3);
1605     if (strcmp(highscore[entry].Name, EMPTY_PLAYER_NAME) != 0)
1606       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
1607     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
1608   }
1609 }
1610
1611 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1612 {
1613   static int first_entry = 0;
1614   static int highlight_position = 0;
1615   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1616   int button_released = !button;
1617
1618   if (button == MB_MENU_INITIALIZE)
1619   {
1620     first_entry = 0;
1621     highlight_position = mx;
1622     drawHallOfFameList(first_entry, highlight_position);
1623
1624     return;
1625   }
1626
1627   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
1628     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
1629
1630   if (dy < 0)
1631   {
1632     if (first_entry > 0)
1633     {
1634       first_entry -= step;
1635       if (first_entry < 0)
1636         first_entry = 0;
1637
1638       drawHallOfFameList(first_entry, highlight_position);
1639
1640       return;
1641     }
1642   }
1643   else if (dy > 0)
1644   {
1645     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1646     {
1647       first_entry += step;
1648       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1649         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
1650
1651       drawHallOfFameList(first_entry, highlight_position);
1652
1653       return;
1654     }
1655   }
1656
1657   if (button_released)
1658   {
1659     FadeSound(SND_BACKGROUND_SCORES);
1660     game_status = GAME_MODE_MAIN;
1661     DrawMainMenu();
1662   }
1663
1664   BackToFront();
1665
1666   if (game_status == GAME_MODE_SCORES)
1667   {
1668     DoAnimation();
1669 #if 1
1670     PlaySound_Menu_Continue(SND_BACKGROUND_SCORES);
1671 #endif
1672   }
1673 }
1674
1675
1676 /* ========================================================================= */
1677 /* setup screen functions                                                    */
1678 /* ========================================================================= */
1679
1680 static struct TokenInfo *setup_info;
1681 static int num_setup_info;
1682
1683 static char *graphics_set_name;
1684 static char *sounds_set_name;
1685 static char *music_set_name;
1686
1687 static void execSetupMain()
1688 {
1689   setup_mode = SETUP_MODE_MAIN;
1690   DrawSetupScreen();
1691 }
1692
1693 static void execSetupGame()
1694 {
1695   setup_mode = SETUP_MODE_GAME;
1696   DrawSetupScreen();
1697 }
1698
1699 static void execSetupEditor()
1700 {
1701   setup_mode = SETUP_MODE_EDITOR;
1702   DrawSetupScreen();
1703 }
1704
1705 static void execSetupGraphics()
1706 {
1707   setup_mode = SETUP_MODE_GRAPHICS;
1708   DrawSetupScreen();
1709 }
1710
1711 static void execSetupSound()
1712 {
1713   setup_mode = SETUP_MODE_SOUND;
1714   DrawSetupScreen();
1715 }
1716
1717 static void execSetupArtwork()
1718 {
1719   setup.graphics_set = artwork.gfx_current->identifier;
1720   setup.sounds_set = artwork.snd_current->identifier;
1721   setup.music_set = artwork.mus_current->identifier;
1722
1723   /* needed if last screen (setup choice) changed graphics, sounds or music */
1724   ReloadCustomArtwork();
1725
1726   /* needed for displaying artwork name instead of artwork identifier */
1727   graphics_set_name = artwork.gfx_current->name;
1728   sounds_set_name = artwork.snd_current->name;
1729   music_set_name = artwork.mus_current->name;
1730
1731   setup_mode = SETUP_MODE_ARTWORK;
1732   DrawSetupScreen();
1733 }
1734
1735 static void execSetupChooseGraphics()
1736 {
1737   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1738   DrawSetupScreen();
1739 }
1740
1741 static void execSetupChooseSounds()
1742 {
1743   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1744   DrawSetupScreen();
1745 }
1746
1747 static void execSetupChooseMusic()
1748 {
1749   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1750   DrawSetupScreen();
1751 }
1752
1753 static void execSetupInput()
1754 {
1755   setup_mode = SETUP_MODE_INPUT;
1756   DrawSetupScreen();
1757 }
1758
1759 static void execSetupShortcut()
1760 {
1761   setup_mode = SETUP_MODE_SHORTCUT;
1762   DrawSetupScreen();
1763 }
1764
1765 static void execExitSetup()
1766 {
1767   game_status = GAME_MODE_MAIN;
1768   DrawMainMenu();
1769 }
1770
1771 static void execSaveAndExitSetup()
1772 {
1773   SaveSetup();
1774   execExitSetup();
1775 }
1776
1777 static struct TokenInfo setup_info_main[] =
1778 {
1779   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1780   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor Settings"       },
1781   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1782   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1783   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1784   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1785   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1786   { TYPE_EMPTY,         NULL,                   ""                      },
1787   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1788   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
1789   { 0,                  NULL,                   NULL                    }
1790 };
1791
1792 static struct TokenInfo setup_info_game[] =
1793 {
1794   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1795   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1796   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1797   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1798   { TYPE_EMPTY,         NULL,                   ""                      },
1799   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1800   { 0,                  NULL,                   NULL                    }
1801 };
1802
1803 static struct TokenInfo setup_info_editor[] =
1804 {
1805   { TYPE_STRING,        NULL,                   "Offer Special Elements:"},
1806   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "BoulderDash:"  },
1807   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
1808   { TYPE_SWITCH,        &setup.editor.el_more,          "More:"         },
1809   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
1810   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
1811   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamd. Caves:" },
1812   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX Boulderd.:" },
1813   { TYPE_SWITCH,        &setup.editor.el_chars,         "Characters:"   },
1814   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom:"       },
1815   { TYPE_SWITCH,        &setup.editor.el_custom_more,   "More Custom:"  },
1816   { TYPE_EMPTY,         NULL,                   ""                      },
1817   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1818   { 0,                  NULL,                   NULL                    }
1819 };
1820
1821 static struct TokenInfo setup_info_graphics[] =
1822 {
1823   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1824   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1825   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1826 #if 0
1827   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1828   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1829 #endif
1830   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1831   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1832   { TYPE_EMPTY,         NULL,                   ""                      },
1833   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1834   { 0,                  NULL,                   NULL                    }
1835 };
1836
1837 static struct TokenInfo setup_info_sound[] =
1838 {
1839   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1840   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1841   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1842   { TYPE_EMPTY,         NULL,                   ""                      },
1843   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1844   { 0,                  NULL,                   NULL                    }
1845 };
1846
1847 static struct TokenInfo setup_info_artwork[] =
1848 {
1849   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1850   { TYPE_STRING,        &graphics_set_name,     ""                      },
1851   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1852   { TYPE_STRING,        &sounds_set_name,       ""                      },
1853   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1854   { TYPE_STRING,        &music_set_name,        ""                      },
1855   { TYPE_EMPTY,         NULL,                   ""                      },
1856   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1857   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1858   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1859   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1860   { TYPE_EMPTY,         NULL,                   ""                      },
1861   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1862   { 0,                  NULL,                   NULL                    }
1863 };
1864
1865 static struct TokenInfo setup_info_shortcut[] =
1866 {
1867   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1868   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1869   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1870   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1871   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1872   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1873   { TYPE_EMPTY,         NULL,                   ""                      },
1874   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1875   { TYPE_EMPTY,         NULL,                   ""                      },
1876   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1877   { 0,                  NULL,                   NULL                    }
1878 };
1879
1880 static Key getSetupKey()
1881 {
1882   Key key = KSYM_UNDEFINED;
1883   boolean got_key_event = FALSE;
1884
1885   while (!got_key_event)
1886   {
1887     if (PendingEvent())         /* got event */
1888     {
1889       Event event;
1890
1891       NextEvent(&event);
1892
1893       switch(event.type)
1894       {
1895         case EVENT_KEYPRESS:
1896           {
1897             key = GetEventKey((KeyEvent *)&event, TRUE);
1898
1899             /* press 'Escape' or 'Enter' to keep the existing key binding */
1900             if (key == KSYM_Escape || key == KSYM_Return)
1901               key = KSYM_UNDEFINED;     /* keep old value */
1902
1903             got_key_event = TRUE;
1904           }
1905           break;
1906
1907         case EVENT_KEYRELEASE:
1908           key_joystick_mapping = 0;
1909           break;
1910
1911         default:
1912           HandleOtherEvents(&event);
1913           break;
1914       }
1915     }
1916
1917     BackToFront();
1918     DoAnimation();
1919
1920     /* don't eat all CPU time */
1921     Delay(10);
1922   }
1923
1924   return key;
1925 }
1926
1927 static void drawSetupValue(int pos)
1928 {
1929   int xpos = MENU_SCREEN_VALUE_XPOS;
1930   int ypos = MENU_SCREEN_START_YPOS + pos;
1931   int font_nr = FONT_VALUE_1;
1932   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1933                                      setup_info[pos].value);
1934
1935   if (value_string == NULL)
1936     return;
1937
1938   if (setup_info[pos].type & TYPE_KEY)
1939   {
1940     xpos = 3;
1941
1942     if (setup_info[pos].type & TYPE_QUERY)
1943     {
1944       value_string = "<press key>";
1945       font_nr = FONT_INPUT_1_ACTIVE;
1946     }
1947   }
1948   else if (setup_info[pos].type & TYPE_STRING)
1949   {
1950     int max_value_len = (SCR_FIELDX - 2) * 2;
1951
1952     xpos = 1;
1953     font_nr = FONT_VALUE_2;
1954
1955     if (strlen(value_string) > max_value_len)
1956       value_string[max_value_len] = '\0';
1957   }
1958   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1959   {
1960     font_nr = (*(boolean *)(setup_info[pos].value) ? FONT_OPTION_ON :
1961                FONT_OPTION_OFF);
1962   }
1963
1964   DrawText(mSX + xpos * 32, mSY + ypos * 32,
1965            (xpos == 3 ? "              " : "   "), font_nr);
1966   DrawText(mSX + xpos * 32, mSY + ypos * 32, value_string, font_nr);
1967 }
1968
1969 static void changeSetupValue(int pos)
1970 {
1971   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1972   {
1973     *(boolean *)setup_info[pos].value ^= TRUE;
1974   }
1975   else if (setup_info[pos].type & TYPE_KEY)
1976   {
1977     Key key;
1978
1979     setup_info[pos].type |= TYPE_QUERY;
1980     drawSetupValue(pos);
1981     setup_info[pos].type &= ~TYPE_QUERY;
1982
1983     key = getSetupKey();
1984     if (key != KSYM_UNDEFINED)
1985       *(Key *)setup_info[pos].value = key;
1986   }
1987
1988   drawSetupValue(pos);
1989 }
1990
1991 static void DrawSetupScreen_Generic()
1992 {
1993   char *title_string = NULL;
1994   int i;
1995
1996   UnmapAllGadgets();
1997   CloseDoor(DOOR_CLOSE_2);
1998
1999   ClearWindow();
2000
2001   if (setup_mode == SETUP_MODE_MAIN)
2002   {
2003     setup_info = setup_info_main;
2004     title_string = "Setup";
2005   }
2006   else if (setup_mode == SETUP_MODE_GAME)
2007   {
2008     setup_info = setup_info_game;
2009     title_string = "Setup Game";
2010   }
2011   else if (setup_mode == SETUP_MODE_EDITOR)
2012   {
2013     setup_info = setup_info_editor;
2014     title_string = "Setup Editor";
2015   }
2016   else if (setup_mode == SETUP_MODE_GRAPHICS)
2017   {
2018     setup_info = setup_info_graphics;
2019     title_string = "Setup Graphics";
2020   }
2021   else if (setup_mode == SETUP_MODE_SOUND)
2022   {
2023     setup_info = setup_info_sound;
2024     title_string = "Setup Sound";
2025   }
2026   else if (setup_mode == SETUP_MODE_ARTWORK)
2027   {
2028     setup_info = setup_info_artwork;
2029     title_string = "Custom Artwork";
2030   }
2031   else if (setup_mode == SETUP_MODE_SHORTCUT)
2032   {
2033     setup_info = setup_info_shortcut;
2034     title_string = "Setup Shortcuts";
2035   }
2036
2037   DrawText(mSX + 16, mSY + 16, title_string, FONT_TITLE_1);
2038
2039   num_setup_info = 0;
2040   for(i=0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2041   {
2042     void *value_ptr = setup_info[i].value;
2043     int ypos = MENU_SCREEN_START_YPOS + i;
2044     int font_nr = FONT_MENU_1;
2045
2046     /* set some entries to "unchangeable" according to other variables */
2047     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2048         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2049         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2050         (value_ptr == &setup.fullscreen   && !video.fullscreen_available))
2051       setup_info[i].type |= TYPE_GHOSTED;
2052
2053     if (setup_info[i].type & TYPE_STRING)
2054       font_nr = FONT_MENU_2;
2055
2056     DrawText(mSX + 32, mSY + ypos * 32, setup_info[i].text, font_nr);
2057
2058     if (setup_info[i].type & TYPE_ENTER_MENU)
2059       initCursor(i, IMG_MENU_BUTTON_RIGHT);
2060     else if (setup_info[i].type & TYPE_LEAVE_MENU)
2061       initCursor(i, IMG_MENU_BUTTON_LEFT);
2062     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
2063       initCursor(i, IMG_MENU_BUTTON);
2064
2065     if (setup_info[i].type & TYPE_VALUE)
2066       drawSetupValue(i);
2067
2068     num_setup_info++;
2069   }
2070
2071   FadeToFront();
2072   InitAnimation();
2073   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
2074 }
2075
2076 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
2077 {
2078   static int choice_store[MAX_SETUP_MODES];
2079   int choice = choice_store[setup_mode];        /* always starts with 0 */
2080   int x = 0;
2081   int y = choice;
2082
2083   if (button == MB_MENU_INITIALIZE)
2084   {
2085     /* advance to first valid menu entry */
2086     while (choice < num_setup_info &&
2087            (setup_info[choice].type & TYPE_SKIP_ENTRY))
2088       choice++;
2089     choice_store[setup_mode] = choice;
2090
2091     drawCursor(choice, FC_RED);
2092     return;
2093   }
2094   else if (button == MB_MENU_LEAVE)
2095   {
2096     for (y=0; y<num_setup_info; y++)
2097     {
2098       if (setup_info[y].type & TYPE_LEAVE_MENU)
2099       {
2100         void (*menu_callback_function)(void) = setup_info[y].value;
2101
2102         menu_callback_function();
2103         break;  /* absolutely needed because function changes 'setup_info'! */
2104       }
2105     }
2106
2107     return;
2108   }
2109
2110   if (mx || my)         /* mouse input */
2111   {
2112     x = (mx - mSX) / 32;
2113     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2114   }
2115   else if (dx || dy)    /* keyboard input */
2116   {
2117     if (dx)
2118     {
2119       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
2120
2121       if ((setup_info[choice].type & menu_navigation_type) ||
2122           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
2123         button = MB_MENU_CHOICE;
2124     }
2125     else if (dy)
2126       y = choice + dy;
2127
2128     /* jump to next non-empty menu entry (up or down) */
2129     while (y > 0 && y < num_setup_info - 1 &&
2130            (setup_info[y].type & TYPE_SKIP_ENTRY))
2131       y += dy;
2132   }
2133
2134   if (x == 0 && y >= 0 && y < num_setup_info &&
2135       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
2136   {
2137     if (button)
2138     {
2139       if (y != choice)
2140       {
2141         drawCursor(y, FC_RED);
2142         drawCursor(choice, FC_BLUE);
2143         choice = choice_store[setup_mode] = y;
2144       }
2145     }
2146     else if (!(setup_info[y].type & TYPE_GHOSTED))
2147     {
2148       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
2149       {
2150         void (*menu_callback_function)(void) = setup_info[choice].value;
2151
2152         menu_callback_function();
2153       }
2154       else
2155       {
2156         if ((setup_info[y].type & TYPE_KEYTEXT) &&
2157             (setup_info[y + 1].type & TYPE_KEY))
2158           y++;
2159
2160         if (setup_info[y].type & TYPE_VALUE)
2161           changeSetupValue(y);
2162       }
2163     }
2164   }
2165
2166   BackToFront();
2167
2168   if (game_status == GAME_MODE_SETUP)
2169     DoAnimation();
2170 }
2171
2172 void DrawSetupScreen_Input()
2173 {
2174   ClearWindow();
2175
2176   DrawText(mSX+16, mSY+16, "Setup Input", FONT_TITLE_1);
2177
2178   initCursor(0, IMG_MENU_BUTTON);
2179   initCursor(1, IMG_MENU_BUTTON);
2180   initCursor(2, IMG_MENU_BUTTON_RIGHT);
2181   initCursor(13, IMG_MENU_BUTTON_LEFT);
2182
2183   drawCursorXY(10, 0, IMG_MENU_BUTTON_LEFT);
2184   drawCursorXY(12, 0, IMG_MENU_BUTTON_RIGHT);
2185
2186   DrawText(mSX+32, mSY+2*32, "Player:", FONT_MENU_1);
2187   DrawText(mSX+32, mSY+3*32, "Device:", FONT_MENU_1);
2188   DrawText(mSX+32, mSY+15*32, "Back",   FONT_MENU_1);
2189
2190 #if 0
2191   DeactivateJoystickForCalibration();
2192   DrawTextFCentered(SYSIZE - 20, FONT_TEXT_4,
2193                     "Joysticks deactivated on this screen");
2194 #endif
2195
2196   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
2197   FadeToFront();
2198   InitAnimation();
2199 }
2200
2201 static void setJoystickDeviceToNr(char *device_name, int device_nr)
2202 {
2203   if (device_name == NULL)
2204     return;
2205
2206   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
2207     device_nr = 0;
2208
2209   if (strlen(device_name) > 1)
2210   {
2211     char c1 = device_name[strlen(device_name) - 1];
2212     char c2 = device_name[strlen(device_name) - 2];
2213
2214     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
2215       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
2216   }
2217   else
2218     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
2219             strlen(device_name));
2220 }
2221
2222 static void drawPlayerSetupInputInfo(int player_nr)
2223 {
2224   int i;
2225   static struct SetupKeyboardInfo custom_key;
2226   static struct
2227   {
2228     Key *key;
2229     char *text;
2230   } custom[] =
2231   {
2232     { &custom_key.left,  "Joystick Left"  },
2233     { &custom_key.right, "Joystick Right" },
2234     { &custom_key.up,    "Joystick Up"    },
2235     { &custom_key.down,  "Joystick Down"  },
2236     { &custom_key.snap,  "Button 1"       },
2237     { &custom_key.bomb,  "Button 2"       }
2238   };
2239   static char *joystick_name[MAX_PLAYERS] =
2240   {
2241     "Joystick1",
2242     "Joystick2",
2243     "Joystick3",
2244     "Joystick4"
2245   };
2246
2247   custom_key = setup.input[player_nr].key;
2248
2249   DrawText(mSX+11*32, mSY+2*32, int2str(player_nr +1, 1), FONT_INPUT_1_ACTIVE);
2250 #if 1
2251   DrawGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
2252                          PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2253 #else
2254   DrawGraphicThruMask(8, 2, PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2255 #endif
2256
2257   if (setup.input[player_nr].use_joystick)
2258   {
2259     char *device_name = setup.input[player_nr].joy.device_name;
2260
2261     DrawText(mSX+8*32, mSY+3*32,
2262              joystick_name[getJoystickNrFromDeviceName(device_name)],
2263              FONT_VALUE_1);
2264     DrawText(mSX+32, mSY+4*32, "Calibrate", FONT_MENU_1);
2265   }
2266   else
2267   {
2268     DrawText(mSX+8*32, mSY+3*32, "Keyboard ", FONT_VALUE_1);
2269     DrawText(mSX+32,   mSY+4*32, "Customize", FONT_MENU_1);
2270   }
2271
2272   DrawText(mSX+32, mSY+5*32, "Actual Settings:", FONT_MENU_1);
2273   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
2274   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
2275   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
2276   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
2277   DrawText(mSX+2*32, mSY+6*32, ":", FONT_VALUE_OLD);
2278   DrawText(mSX+2*32, mSY+7*32, ":", FONT_VALUE_OLD);
2279   DrawText(mSX+2*32, mSY+8*32, ":", FONT_VALUE_OLD);
2280   DrawText(mSX+2*32, mSY+9*32, ":", FONT_VALUE_OLD);
2281   DrawText(mSX+32, mSY+10*32, "Snap Field:", FONT_VALUE_OLD);
2282   DrawText(mSX+32, mSY+12*32, "Place Bomb:", FONT_VALUE_OLD);
2283
2284   for (i=0; i<6; i++)
2285   {
2286     int ypos = 6 + i + (i > 3 ? i-3 : 0);
2287
2288     DrawText(mSX + 3*32, mSY + ypos*32,
2289              "              ", FONT_VALUE_1);
2290     DrawText(mSX + 3*32, mSY + ypos*32,
2291              (setup.input[player_nr].use_joystick ?
2292               custom[i].text :
2293               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
2294   }
2295 }
2296
2297 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
2298 {
2299   static int choice = 0;
2300   static int player_nr = 0;
2301   int x = 0;
2302   int y = choice;
2303   int pos_start  = SETUPINPUT_SCREEN_POS_START;
2304   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
2305   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
2306   int pos_end    = SETUPINPUT_SCREEN_POS_END;
2307
2308   if (button == MB_MENU_INITIALIZE)
2309   {
2310     drawPlayerSetupInputInfo(player_nr);
2311     drawCursor(choice, FC_RED);
2312     return;
2313   }
2314   else if (button == MB_MENU_LEAVE)
2315   {
2316     setup_mode = SETUP_MODE_MAIN;
2317     DrawSetupScreen();
2318     InitJoysticks();
2319   }
2320
2321   if (mx || my)         /* mouse input */
2322   {
2323     x = (mx - mSX) / 32;
2324     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2325   }
2326   else if (dx || dy)    /* keyboard input */
2327   {
2328     if (dx && choice == 0)
2329       x = (dx < 0 ? 10 : 12);
2330     else if ((dx && choice == 1) ||
2331              (dx == +1 && choice == 2) ||
2332              (dx == -1 && choice == pos_end))
2333       button = MB_MENU_CHOICE;
2334     else if (dy)
2335       y = choice + dy;
2336
2337     if (y >= pos_empty1 && y <= pos_empty2)
2338       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
2339   }
2340
2341   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
2342   {
2343     static unsigned long delay = 0;
2344
2345     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
2346       goto out;
2347
2348     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
2349
2350     drawPlayerSetupInputInfo(player_nr);
2351   }
2352   else if (x == 0 && y >= pos_start && y <= pos_end &&
2353            !(y >= pos_empty1 && y <= pos_empty2))
2354   {
2355     if (button)
2356     {
2357       if (y != choice)
2358       {
2359         drawCursor(y, FC_RED);
2360         drawCursor(choice, FC_BLUE);
2361         choice = y;
2362       }
2363     }
2364     else
2365     {
2366       if (y == 1)
2367       {
2368         char *device_name = setup.input[player_nr].joy.device_name;
2369
2370         if (!setup.input[player_nr].use_joystick)
2371         {
2372           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2373
2374           setJoystickDeviceToNr(device_name, new_device_nr);
2375           setup.input[player_nr].use_joystick = TRUE;
2376         }
2377         else
2378         {
2379           int device_nr = getJoystickNrFromDeviceName(device_name);
2380           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2381
2382           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2383             setup.input[player_nr].use_joystick = FALSE;
2384           else
2385             setJoystickDeviceToNr(device_name, new_device_nr);
2386         }
2387
2388         drawPlayerSetupInputInfo(player_nr);
2389       }
2390       else if (y == 2)
2391       {
2392         if (setup.input[player_nr].use_joystick)
2393         {
2394           InitJoysticks();
2395           CalibrateJoystick(player_nr);
2396         }
2397         else
2398           CustomizeKeyboard(player_nr);
2399       }
2400       else if (y == pos_end)
2401       {
2402         InitJoysticks();
2403
2404         setup_mode = SETUP_MODE_MAIN;
2405         DrawSetupScreen();
2406       }
2407     }
2408   }
2409
2410   BackToFront();
2411
2412   out:
2413
2414   if (game_status == GAME_MODE_SETUP)
2415     DoAnimation();
2416 }
2417
2418 void CustomizeKeyboard(int player_nr)
2419 {
2420   int i;
2421   int step_nr;
2422   boolean finished = FALSE;
2423   static struct SetupKeyboardInfo custom_key;
2424   static struct
2425   {
2426     Key *key;
2427     char *text;
2428   } customize_step[] =
2429   {
2430     { &custom_key.left,  "Move Left"  },
2431     { &custom_key.right, "Move Right" },
2432     { &custom_key.up,    "Move Up"    },
2433     { &custom_key.down,  "Move Down"  },
2434     { &custom_key.snap,  "Snap Field" },
2435     { &custom_key.bomb,  "Place Bomb" }
2436   };
2437
2438   /* read existing key bindings from player setup */
2439   custom_key = setup.input[player_nr].key;
2440
2441   ClearWindow();
2442   DrawText(mSX + 16, mSY + 16, "Keyboard Input", FONT_TITLE_1);
2443
2444   BackToFront();
2445   InitAnimation();
2446
2447   step_nr = 0;
2448   DrawText(mSX, mSY + (2+2*step_nr)*32,
2449            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2450   DrawText(mSX, mSY + (2+2*step_nr+1)*32,
2451            "Key:", FONT_INPUT_1_ACTIVE);
2452   DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2453            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
2454
2455   while(!finished)
2456   {
2457     if (PendingEvent())         /* got event */
2458     {
2459       Event event;
2460
2461       NextEvent(&event);
2462
2463       switch(event.type)
2464       {
2465         case EVENT_KEYPRESS:
2466           {
2467             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2468
2469             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2470             {
2471               finished = TRUE;
2472               break;
2473             }
2474
2475             /* all keys configured -- wait for "Escape" or "Return" key */
2476             if (step_nr == 6)
2477               break;
2478
2479             /* press 'Enter' to keep the existing key binding */
2480             if (key == KSYM_Return)
2481               key = *customize_step[step_nr].key;
2482
2483             /* check if key already used */
2484             for (i=0; i<step_nr; i++)
2485               if (*customize_step[i].key == key)
2486                 break;
2487             if (i < step_nr)
2488               break;
2489
2490             /* got new key binding */
2491             *customize_step[step_nr].key = key;
2492             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2493                      "             ", FONT_VALUE_1);
2494             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2495                      getKeyNameFromKey(key), FONT_VALUE_1);
2496             step_nr++;
2497
2498             /* un-highlight last query */
2499             DrawText(mSX, mSY+(2+2*(step_nr-1))*32,
2500                      customize_step[step_nr-1].text, FONT_MENU_1);
2501             DrawText(mSX, mSY+(2+2*(step_nr-1)+1)*32,
2502                      "Key:", FONT_MENU_1);
2503
2504             /* press 'Enter' to leave */
2505             if (step_nr == 6)
2506             {
2507               DrawText(mSX + 16, mSY + 15*32+16,
2508                        "Press Enter", FONT_TITLE_1);
2509               break;
2510             }
2511
2512             /* query next key binding */
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),
2519                      FONT_VALUE_OLD);
2520           }
2521           break;
2522
2523         case EVENT_KEYRELEASE:
2524           key_joystick_mapping = 0;
2525           break;
2526
2527         default:
2528           HandleOtherEvents(&event);
2529           break;
2530       }
2531     }
2532
2533     BackToFront();
2534     DoAnimation();
2535
2536     /* don't eat all CPU time */
2537     Delay(10);
2538   }
2539
2540   /* write new key bindings back to player setup */
2541   setup.input[player_nr].key = custom_key;
2542
2543   StopAnimation();
2544   DrawSetupScreen_Input();
2545 }
2546
2547 static boolean CalibrateJoystickMain(int player_nr)
2548 {
2549   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2550   int new_joystick_xright = JOYSTICK_XMIDDLE;
2551   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2552   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2553   int new_joystick_xmiddle, new_joystick_ymiddle;
2554
2555   int joystick_fd = joystick.fd[player_nr];
2556   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2557   boolean check[3][3];
2558   int check_remaining = 3 * 3;
2559   int joy_x, joy_y;
2560   int joy_value;
2561   int result = -1;
2562
2563   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2564     return FALSE;
2565
2566   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2567     return FALSE;
2568
2569   ClearWindow();
2570
2571   for(y=0; y < 3; y++)
2572   {
2573     for(x=0; x < 3; x++)
2574     {
2575       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
2576       check[x][y] = FALSE;
2577     }
2578   }
2579
2580   DrawText(mSX,      mSY +  6 * 32, " ROTATE JOYSTICK ", FONT_TITLE_1);
2581   DrawText(mSX,      mSY +  7 * 32, "IN ALL DIRECTIONS", FONT_TITLE_1);
2582   DrawText(mSX + 16, mSY +  9 * 32, "  IF ALL BALLS  ",  FONT_TITLE_1);
2583   DrawText(mSX,      mSY + 10 * 32, "   ARE YELLOW,   ", FONT_TITLE_1);
2584   DrawText(mSX,      mSY + 11 * 32, " CENTER JOYSTICK ", FONT_TITLE_1);
2585   DrawText(mSX,      mSY + 12 * 32, "       AND       ", FONT_TITLE_1);
2586   DrawText(mSX,      mSY + 13 * 32, "PRESS ANY BUTTON!", FONT_TITLE_1);
2587
2588   joy_value = Joystick(player_nr);
2589   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2590   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2591
2592   /* eventually uncalibrated center position (joystick could be uncentered) */
2593   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2594     return FALSE;
2595
2596   new_joystick_xmiddle = joy_x;
2597   new_joystick_ymiddle = joy_y;
2598
2599   DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
2600   BackToFront();
2601
2602   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2603   InitAnimation();
2604
2605   while(result < 0)
2606   {
2607     if (PendingEvent())         /* got event */
2608     {
2609       Event event;
2610
2611       NextEvent(&event);
2612
2613       switch(event.type)
2614       {
2615         case EVENT_KEYPRESS:
2616           switch(GetEventKey((KeyEvent *)&event, TRUE))
2617           {
2618             case KSYM_Return:
2619               if (check_remaining == 0)
2620                 result = 1;
2621               break;
2622
2623             case KSYM_Escape:
2624               result = 0;
2625               break;
2626
2627             default:
2628               break;
2629           }
2630           break;
2631
2632         case EVENT_KEYRELEASE:
2633           key_joystick_mapping = 0;
2634           break;
2635
2636         default:
2637           HandleOtherEvents(&event);
2638           break;
2639       }
2640     }
2641
2642     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2643       return FALSE;
2644
2645     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2646     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2647     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2648     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2649
2650     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2651     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2652     setup.input[player_nr].joy.xright = new_joystick_xright;
2653     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2654     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2655     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2656
2657     CheckJoystickData();
2658
2659     joy_value = Joystick(player_nr);
2660
2661     if (joy_value & JOY_BUTTON && check_remaining == 0)
2662       result = 1;
2663
2664     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2665     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2666
2667     if (x != last_x || y != last_y)
2668     {
2669       DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_YELLOW, 0);
2670       DrawGraphic(xpos + x,      ypos + y,      IMG_MENU_CALIBRATE_RED,    0);
2671
2672       last_x = x;
2673       last_y = y;
2674
2675       if (check_remaining > 0 && !check[x+1][y+1])
2676       {
2677         check[x+1][y+1] = TRUE;
2678         check_remaining--;
2679       }
2680
2681 #if 0
2682 #ifdef DEBUG
2683       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2684              setup.input[player_nr].joy.xleft,
2685              setup.input[player_nr].joy.xmiddle,
2686              setup.input[player_nr].joy.xright);
2687       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2688              setup.input[player_nr].joy.yupper,
2689              setup.input[player_nr].joy.ymiddle,
2690              setup.input[player_nr].joy.ylower);
2691 #endif
2692 #endif
2693
2694     }
2695
2696     BackToFront();
2697     DoAnimation();
2698
2699     /* don't eat all CPU time */
2700     Delay(10);
2701   }
2702
2703   /* calibrated center position (joystick should now be centered) */
2704   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2705     return FALSE;
2706
2707   new_joystick_xmiddle = joy_x;
2708   new_joystick_ymiddle = joy_y;
2709
2710   StopAnimation();
2711
2712   DrawSetupScreen_Input();
2713
2714   /* wait until the last pressed button was released */
2715   while (Joystick(player_nr) & JOY_BUTTON)
2716   {
2717     if (PendingEvent())         /* got event */
2718     {
2719       Event event;
2720
2721       NextEvent(&event);
2722       HandleOtherEvents(&event);
2723
2724       Delay(10);
2725     }
2726   }
2727
2728   return TRUE;
2729 }
2730
2731 void CalibrateJoystick(int player_nr)
2732 {
2733   if (!CalibrateJoystickMain(player_nr))
2734   {
2735     ClearWindow();
2736
2737     DrawText(mSX + 16, mSY + 6*32, "  JOYSTICK NOT  ",  FONT_TITLE_1);
2738     DrawText(mSX,      mSY + 7*32, "    AVAILABLE    ", FONT_TITLE_1);
2739     BackToFront();
2740     Delay(2000);        /* show error message for two seconds */
2741   }
2742 }
2743
2744 void DrawSetupScreen()
2745 {
2746   DeactivateJoystick();
2747
2748   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
2749
2750   if (setup_mode == SETUP_MODE_INPUT)
2751     DrawSetupScreen_Input();
2752   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2753     DrawChooseTree(&artwork.gfx_current);
2754   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2755     DrawChooseTree(&artwork.snd_current);
2756   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2757     DrawChooseTree(&artwork.mus_current);
2758   else
2759     DrawSetupScreen_Generic();
2760 }
2761
2762 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2763 {
2764   if (setup_mode == SETUP_MODE_INPUT)
2765     HandleSetupScreen_Input(mx, my, dx, dy, button);
2766   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2767     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2768   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2769     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2770   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2771     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2772   else
2773     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2774 }
2775
2776 void HandleGameActions()
2777 {
2778   if (game_status != GAME_MODE_PLAYING)
2779     return;
2780
2781   if (local_player->LevelSolved)
2782     GameWon();
2783
2784   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2785     TapeStop();
2786
2787   GameActions();
2788
2789   BackToFront();
2790
2791 #if 1
2792   if (tape.auto_play && !tape.playing)
2793     AutoPlayTape();     /* continue automatically playing next tape */
2794 #endif
2795 }
2796
2797 /* ---------- new screen button stuff -------------------------------------- */
2798
2799 /* graphic position and size values for buttons and scrollbars */
2800 #define SC_SCROLLBUTTON_XSIZE           TILEX
2801 #define SC_SCROLLBUTTON_YSIZE           TILEY
2802
2803 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2804 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
2805                                          SC_SCROLLBUTTON_YSIZE)
2806 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2807 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
2808 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2809 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
2810                                          SC_SCROLLBUTTON_YSIZE)
2811 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2812 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
2813                                          SC_SCROLL_VERTICAL_YSIZE)
2814
2815 #define SC_BORDER_SIZE                  14
2816
2817 static struct
2818 {
2819   int gfx_unpressed, gfx_pressed;
2820   int x, y;
2821   int gadget_id;
2822   char *infotext;
2823 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2824 {
2825   {
2826     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
2827     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2828     SCREEN_CTRL_ID_SCROLL_UP,
2829     "scroll up"
2830   },
2831   {
2832     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
2833     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2834     SCREEN_CTRL_ID_SCROLL_DOWN,
2835     "scroll down"
2836   }
2837 };
2838
2839 static struct
2840 {
2841 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2842   Bitmap **gfx_unpressed, **gfx_pressed;
2843 #else
2844   int gfx_unpressed, gfx_pressed;
2845 #endif
2846   int x, y;
2847   int width, height;
2848   int type;
2849   int gadget_id;
2850   char *infotext;
2851 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2852 {
2853   {
2854 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2855     &scrollbar_bitmap[0], &scrollbar_bitmap[1],
2856 #else
2857     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
2858 #endif
2859     SC_SCROLL_VERTICAL_XPOS, SC_SCROLL_VERTICAL_YPOS,
2860     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2861     GD_TYPE_SCROLLBAR_VERTICAL,
2862     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2863     "scroll level series vertically"
2864   }
2865 };
2866
2867 static void CreateScreenScrollbuttons()
2868 {
2869   struct GadgetInfo *gi;
2870   unsigned long event_mask;
2871   int i;
2872
2873   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2874   {
2875     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2876     int gfx_unpressed, gfx_pressed;
2877     int x, y, width, height;
2878     int gd_x1, gd_x2, gd_y1, gd_y2;
2879     int id = scrollbutton_info[i].gadget_id;
2880
2881     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2882
2883     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
2884     y = mSY + scrollbutton_info[i].y;
2885     width = SC_SCROLLBUTTON_XSIZE;
2886     height = SC_SCROLLBUTTON_YSIZE;
2887
2888     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
2889       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
2890                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
2891
2892     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2893     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2894     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2895     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2896     gd_x1 = graphic_info[gfx_unpressed].src_x;
2897     gd_y1 = graphic_info[gfx_unpressed].src_y;
2898     gd_x2 = graphic_info[gfx_pressed].src_x;
2899     gd_y2 = graphic_info[gfx_pressed].src_y;
2900
2901     gi = CreateGadget(GDI_CUSTOM_ID, id,
2902                       GDI_CUSTOM_TYPE_ID, i,
2903                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2904                       GDI_X, x,
2905                       GDI_Y, y,
2906                       GDI_WIDTH, width,
2907                       GDI_HEIGHT, height,
2908                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2909                       GDI_STATE, GD_BUTTON_UNPRESSED,
2910                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2911                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2912                       GDI_EVENT_MASK, event_mask,
2913                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2914                       GDI_END);
2915
2916     if (gi == NULL)
2917       Error(ERR_EXIT, "cannot create gadget");
2918
2919     screen_gadget[id] = gi;
2920   }
2921 }
2922
2923 static void CreateScreenScrollbars()
2924 {
2925   int i;
2926
2927   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2928   {
2929     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2930 #if !defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2931     int gfx_unpressed, gfx_pressed;
2932 #endif
2933     int x, y, width, height;
2934     int gd_x1, gd_x2, gd_y1, gd_y2;
2935     struct GadgetInfo *gi;
2936     int items_max, items_visible, item_position;
2937     unsigned long event_mask;
2938     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
2939     int id = scrollbar_info[i].gadget_id;
2940
2941     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2942
2943     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
2944     y = mSY + scrollbar_info[i].y;
2945     width  = scrollbar_info[i].width;
2946     height = scrollbar_info[i].height;
2947
2948     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
2949       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
2950
2951     items_max = num_page_entries;
2952     items_visible = num_page_entries;
2953     item_position = 0;
2954
2955 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2956     gd_bitmap_unpressed = *scrollbar_info[i].gfx_unpressed;
2957     gd_bitmap_pressed   = *scrollbar_info[i].gfx_pressed;
2958     gd_x1 = 0;
2959     gd_y1 = 0;
2960     gd_x2 = 0;
2961     gd_y2 = 0;
2962 #else
2963     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
2964     gfx_pressed   = scrollbar_info[i].gfx_pressed;
2965     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2966     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2967     gd_x1 = graphic_info[gfx_unpressed].src_x;
2968     gd_y1 = graphic_info[gfx_unpressed].src_y;
2969     gd_x2 = graphic_info[gfx_pressed].src_x;
2970     gd_y2 = graphic_info[gfx_pressed].src_y;
2971 #endif
2972
2973     gi = CreateGadget(GDI_CUSTOM_ID, id,
2974                       GDI_CUSTOM_TYPE_ID, i,
2975                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2976                       GDI_X, x,
2977                       GDI_Y, y,
2978                       GDI_WIDTH, width,
2979                       GDI_HEIGHT, height,
2980                       GDI_TYPE, scrollbar_info[i].type,
2981                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2982                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2983                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2984                       GDI_STATE, GD_BUTTON_UNPRESSED,
2985                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2986                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2987                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
2988                       GDI_EVENT_MASK, event_mask,
2989                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2990                       GDI_END);
2991
2992     if (gi == NULL)
2993       Error(ERR_EXIT, "cannot create gadget");
2994
2995     screen_gadget[id] = gi;
2996   }
2997 }
2998
2999 void CreateScreenGadgets()
3000 {
3001   int last_game_status = game_status;   /* save current game status */
3002
3003 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3004   int i;
3005
3006   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3007   {
3008     scrollbar_bitmap[i] = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
3009
3010     /* copy pointers to clip mask and GC */
3011     scrollbar_bitmap[i]->clip_mask =
3012       graphic_info[IMG_MENU_SCROLLBAR + i].clip_mask;
3013     scrollbar_bitmap[i]->stored_clip_gc =
3014       graphic_info[IMG_MENU_SCROLLBAR + i].clip_gc;
3015
3016     BlitBitmap(graphic_info[IMG_MENU_SCROLLBAR + i].bitmap,
3017                scrollbar_bitmap[i],
3018                graphic_info[IMG_MENU_SCROLLBAR + i].src_x,
3019                graphic_info[IMG_MENU_SCROLLBAR + i].src_y,
3020                TILEX, TILEY, 0, 0);
3021   }
3022 #endif
3023
3024   /* force LEVELS draw offset for scrollbar / scrollbutton gadgets */
3025   game_status = GAME_MODE_LEVELS;
3026
3027   CreateScreenScrollbuttons();
3028   CreateScreenScrollbars();
3029
3030   game_status = last_game_status;       /* restore current game status */
3031 }
3032
3033 void FreeScreenGadgets()
3034 {
3035   int i;
3036
3037 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3038   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3039   {
3040     /* prevent freeing clip mask and GC twice */
3041     scrollbar_bitmap[i]->clip_mask = None;
3042     scrollbar_bitmap[i]->stored_clip_gc = None;
3043
3044     FreeBitmap(scrollbar_bitmap[i]);
3045   }
3046 #endif
3047
3048   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3049     FreeGadget(screen_gadget[i]);
3050 }
3051
3052 void MapChooseTreeGadgets(TreeInfo *ti)
3053 {
3054   int num_entries = numTreeInfoInGroup(ti);
3055   int i;
3056
3057   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3058     return;
3059
3060   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3061     MapGadget(screen_gadget[i]);
3062 }
3063
3064 void UnmapChooseTreeGadgets()
3065 {
3066   int i;
3067
3068   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3069     UnmapGadget(screen_gadget[i]);
3070 }
3071
3072 static void HandleScreenGadgets(struct GadgetInfo *gi)
3073 {
3074   int id = gi->custom_id;
3075
3076   if (game_status != GAME_MODE_LEVELS && game_status != GAME_MODE_SETUP)
3077     return;
3078
3079   switch (id)
3080   {
3081     case SCREEN_CTRL_ID_SCROLL_UP:
3082       if (game_status == GAME_MODE_LEVELS)
3083         HandleChooseLevel(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3084       else if (game_status == GAME_MODE_SETUP)
3085         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3086       break;
3087
3088     case SCREEN_CTRL_ID_SCROLL_DOWN:
3089       if (game_status == GAME_MODE_LEVELS)
3090         HandleChooseLevel(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3091       else if (game_status == GAME_MODE_SETUP)
3092         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3093       break;
3094
3095     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
3096       if (game_status == GAME_MODE_LEVELS)
3097         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3098       else if (game_status == GAME_MODE_SETUP)
3099         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3100       break;
3101
3102     default:
3103       break;
3104   }
3105 }