rocksndiamonds-3.0.6
[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
216     return;
217   }
218
219   /* needed if last screen was the editor screen */
220   UndrawSpecialEditorDoor();
221
222   /* needed if last screen was the setup screen and fullscreen state changed */
223   ToggleFullscreenIfNeeded();
224
225   /* leveldir_current may be invalid (level group, parent link) */
226   if (!validLevelSeries(leveldir_current))
227     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
228
229   /* store valid level series information */
230   leveldir_last_valid = leveldir_current;
231
232   /* needed if last screen (level choice) changed graphics, sounds or music */
233   ReloadCustomArtwork();
234
235 #ifdef TARGET_SDL
236   SetDrawtoField(DRAW_BACKBUFFER);
237 #endif
238
239   /* map gadgets for main menu screen */
240   MapTapeButtons();
241
242   /* level_nr may have been set to value over handicap with level editor */
243   if (setup.handicap && level_nr > leveldir_current->handicap_level)
244     level_nr = leveldir_current->handicap_level;
245
246   GetPlayerConfig();
247   LoadLevel(level_nr);
248
249   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
250   ClearWindow();
251
252   DrawHeadline();
253
254   DrawText(mSX + 32, mSY + 2*32, name_text, FONT_MENU_1);
255   DrawText(mSX + 32, mSY + 3*32, "Level:", FONT_MENU_1);
256   DrawText(mSX + 32, mSY + 4*32, "Hall Of Fame", FONT_MENU_1);
257   DrawText(mSX + 32, mSY + 5*32, "Level Creator", FONT_MENU_1);
258   DrawText(mSX + 32, mSY + 6*32, "Info Screen", FONT_MENU_1);
259   DrawText(mSX + 32, mSY + 7*32, "Start Game", FONT_MENU_1);
260   DrawText(mSX + 32, mSY + 8*32, "Setup", FONT_MENU_1);
261   DrawText(mSX + 32, mSY + 9*32, "Quit", FONT_MENU_1);
262
263   DrawText(mSX + 32 + name_width, mSY + 2*32, setup.player_name, FONT_INPUT_1);
264   DrawText(mSX + level_width + 5 * 32, mSY + 3*32, int2str(level_nr,3),
265            FONT_VALUE_1);
266
267   DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
268
269   DrawTextF(mSX + 32 + level_width - 2, mSY + 3*32 + 1, FONT_TEXT_3, "%d-%d",
270             leveldir_current->first_level, leveldir_current->last_level);
271
272   if (leveldir_current->readonly)
273   {
274     DrawTextF(mSX + level_width + 9 * 32 - 2,
275               mSY + 3 * 32 + 1 - 7, FONT_TEXT_3, "READ");
276     DrawTextF(mSX + level_width + 9 * 32 - 2,
277               mSY + 3 * 32 + 1 + 7, FONT_TEXT_3, "ONLY");
278   }
279
280   for(i=0; i<8; i++)
281     initCursor(i, (i == 1 || i == 6 ? IMG_MENU_BUTTON_RIGHT :IMG_MENU_BUTTON));
282
283   drawCursorXY(level_width/32 + 4, 1, IMG_MENU_BUTTON_LEFT);
284   drawCursorXY(level_width/32 + 8, 1, IMG_MENU_BUTTON_RIGHT);
285
286   DrawText(SX + 56, SY + 326, "A Game by Artsoft Entertainment", FONT_TITLE_2);
287
288   FadeToFront();
289   InitAnimation();
290   HandleMainMenu(0,0, 0,0, MB_MENU_INITIALIZE);
291
292   TapeStop();
293   if (TAPE_IS_EMPTY(tape))
294     LoadTape(level_nr);
295   DrawCompleteVideoDisplay();
296
297   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
298
299 #if 0
300   ClearEventQueue();
301 #endif
302 }
303
304 static void gotoTopLevelDir()
305 {
306   /* move upwards to top level directory */
307   while (leveldir_current->node_parent)
308   {
309     /* write a "path" into level tree for easy navigation to last level */
310     if (leveldir_current->node_parent->node_group->cl_first == -1)
311     {
312       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
313       int leveldir_pos = posTreeInfo(leveldir_current);
314       int num_page_entries;
315       int cl_first, cl_cursor;
316
317       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
318         num_page_entries = num_leveldirs;
319       else
320         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
321
322       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
323       cl_cursor = leveldir_pos - cl_first;
324
325       leveldir_current->node_parent->node_group->cl_first = cl_first;
326       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
327     }
328
329     leveldir_current = leveldir_current->node_parent;
330   }
331 }
332
333 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
334 {
335   static int choice = 5;
336   int x = 0;
337   int y = choice;
338
339   if (button == MB_MENU_INITIALIZE)
340   {
341     drawCursor(choice, FC_RED);
342     return;
343   }
344
345   if (mx || my)         /* mouse input */
346   {
347     x = (mx - mSX) / 32;
348     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
349   }
350   else if (dx || dy)    /* keyboard input */
351   {
352     if (dx && choice == 1)
353       x = (dx < 0 ? 10 : 14);
354     else if (dy)
355       y = choice + dy;
356   }
357
358   if (y == 1 && ((x == 10 && level_nr > leveldir_current->first_level) ||
359                  (x == 14 && level_nr < leveldir_current->last_level)) &&
360       button)
361   {
362     static unsigned long level_delay = 0;
363     int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
364     int new_level_nr, old_level_nr = level_nr;
365
366     new_level_nr = level_nr + (x == 10 ? -step : +step);
367     if (new_level_nr < leveldir_current->first_level)
368       new_level_nr = leveldir_current->first_level;
369     if (new_level_nr > leveldir_current->last_level)
370       new_level_nr = leveldir_current->last_level;
371
372     if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
373       new_level_nr = leveldir_current->handicap_level;
374
375     if (old_level_nr == new_level_nr ||
376         !DelayReached(&level_delay, GADGET_FRAME_DELAY))
377       goto out;
378
379     level_nr = new_level_nr;
380
381     DrawText(mSX + 11 * 32, mSY + 3 * 32, int2str(level_nr, 3), FONT_VALUE_1);
382
383     LoadLevel(level_nr);
384     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, TRUE);
385
386     TapeErase();
387     LoadTape(level_nr);
388     DrawCompleteVideoDisplay();
389
390     /* needed because DrawMicroLevel() takes some time */
391     BackToFront();
392     SyncDisplay();
393     DelayReached(&level_delay, 0);      /* reset delay counter */
394   }
395   else if (x == 0 && y >= 0 && y <= 7)
396   {
397     if (button)
398     {
399       if (y != choice)
400       {
401         drawCursor(y, FC_RED);
402         drawCursor(choice, FC_BLUE);
403         choice = y;
404       }
405     }
406     else
407     {
408       if (y == 0)
409       {
410         game_status = GAME_MODE_PSEUDO_TYPENAME;
411         HandleTypeName(strlen(setup.player_name), 0);
412       }
413       else if (y == 1)
414       {
415         if (leveldir_first)
416         {
417           game_status = GAME_MODE_LEVELS;
418           SaveLevelSetup_LastSeries();
419           SaveLevelSetup_SeriesInfo();
420
421           gotoTopLevelDir();
422
423           DrawChooseLevel();
424         }
425       }
426       else if (y == 2)
427       {
428         game_status = GAME_MODE_SCORES;
429         DrawHallOfFame(-1);
430       }
431       else if (y == 3)
432       {
433         if (leveldir_current->readonly &&
434             strcmp(setup.player_name, "Artsoft") != 0)
435           Request("This level is read only !", REQ_CONFIRM);
436         game_status = GAME_MODE_EDITOR;
437         DrawLevelEd();
438       }
439       else if (y == 4)
440       {
441         game_status = GAME_MODE_INFO;
442         DrawHelpScreen();
443       }
444       else if (y == 5)
445       {
446         if (setup.autorecord)
447           TapeStartRecording();
448
449 #if defined(PLATFORM_UNIX)
450         if (options.network)
451           SendToServer_StartPlaying();
452         else
453 #endif
454         {
455           game_status = GAME_MODE_PLAYING;
456           StopAnimation();
457           InitGame();
458         }
459       }
460       else if (y == 6)
461       {
462         game_status = GAME_MODE_SETUP;
463         setup_mode = SETUP_MODE_MAIN;
464         DrawSetupScreen();
465       }
466       else if (y == 7)
467       {
468         SaveLevelSetup_LastSeries();
469         SaveLevelSetup_SeriesInfo();
470         if (Request("Do you really want to quit ?", REQ_ASK | REQ_STAY_CLOSED))
471           game_status = GAME_MODE_QUIT;
472       }
473     }
474   }
475
476   out:
477
478   if (game_status == GAME_MODE_MAIN)
479   {
480     DrawMicroLevel(MICROLEV_XPOS, MICROLEV_YPOS, FALSE);
481     DoAnimation();
482   }
483
484   BackToFront();
485 }
486
487
488 #define MAX_HELPSCREEN_ELS      10
489 #define HA_NEXT                 -999
490 #define HA_END                  -1000
491
492 static long helpscreen_state;
493 static int helpscreen_step[MAX_HELPSCREEN_ELS];
494 static int helpscreen_frame[MAX_HELPSCREEN_ELS];
495
496 static int helpscreen_action[] =
497 {
498   IMG_PLAYER_1_MOVING_DOWN,             16,
499   IMG_PLAYER_1_MOVING_UP,               16,
500   IMG_PLAYER_1_MOVING_LEFT,             16,
501   IMG_PLAYER_1_MOVING_RIGHT,            16,
502   IMG_PLAYER_1_PUSHING_LEFT,            16,
503   IMG_PLAYER_1_PUSHING_RIGHT,           16,                     HA_NEXT,
504
505   IMG_SAND,                             -1,                     HA_NEXT,
506
507   IMG_EMPTY_SPACE,                      -1,                     HA_NEXT,
508
509   IMG_QUICKSAND_EMPTY,                  -1,                     HA_NEXT,
510
511   IMG_STEELWALL,                        -1,                     HA_NEXT,
512
513   IMG_WALL,                             -1,                     HA_NEXT,
514
515   IMG_EXPANDABLE_WALL_GROWING_LEFT,     20,
516   IMG_WALL,                             50,
517   IMG_EMPTY_SPACE,                      20,
518   IMG_EXPANDABLE_WALL_GROWING_RIGHT,    20,
519   IMG_WALL,                             50,
520   IMG_EMPTY_SPACE,                      20,
521   IMG_EXPANDABLE_WALL_GROWING_UP,       20,
522   IMG_WALL,                             50,
523   IMG_EMPTY_SPACE,                      20,
524   IMG_EXPANDABLE_WALL_GROWING_DOWN,     20,
525   IMG_WALL,                             50,
526   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
527
528   IMG_INVISIBLE_WALL,                   -1,                     HA_NEXT,
529
530   IMG_WALL_SLIPPERY,                    -1,                     HA_NEXT,
531
532   IMG_FONT_GAME_INFO,                   -1,                     HA_NEXT,
533
534   IMG_EMERALD,                          -1,                     HA_NEXT,
535
536   IMG_DIAMOND,                          -1,                     HA_NEXT,
537
538   IMG_BD_DIAMOND,                       -1,                     HA_NEXT,
539
540   IMG_EMERALD_YELLOW,                   50,
541   IMG_EMERALD_RED,                      50,
542   IMG_EMERALD_PURPLE,                   50,                     HA_NEXT,
543
544   IMG_BD_ROCK,                          -1,                     HA_NEXT,
545
546   IMG_BOMB,                             100,
547   IMG_EXPLOSION,                        16,
548   IMG_EMPTY_SPACE,                      10,                     HA_NEXT,
549
550   IMG_NUT,                              100,
551   IMG_NUT_BREAKING,                     6,
552   IMG_EMERALD,                          20,                     HA_NEXT,
553
554   IMG_WALL_EMERALD,                     100,
555   IMG_EXPLOSION,                        16,
556   IMG_EMERALD,                          20,                     HA_NEXT,
557
558   IMG_WALL_DIAMOND,                     100,
559   IMG_EXPLOSION,                        16,
560   IMG_DIAMOND,                          20,                     HA_NEXT,
561
562   IMG_WALL_BD_DIAMOND,                  100,
563   IMG_EXPLOSION,                        16,
564   IMG_BD_DIAMOND,                       20,                     HA_NEXT,
565
566   IMG_WALL_EMERALD_YELLOW,              100,
567   IMG_EXPLOSION,                        16,
568   IMG_EMERALD_YELLOW,                   20,
569   IMG_WALL_EMERALD_RED,                 100,
570   IMG_EXPLOSION,                        16,
571   IMG_EMERALD_RED,                      20,
572   IMG_WALL_EMERALD_PURPLE,              100,
573   IMG_EXPLOSION,                        16,
574   IMG_EMERALD_PURPLE,                   20,                     HA_NEXT,
575
576   IMG_ACID,                             -1,                     HA_NEXT,
577
578   IMG_KEY_1,                            50,
579   IMG_KEY_2,                            50,
580   IMG_KEY_3,                            50,
581   IMG_KEY_4,                            50,                     HA_NEXT,
582
583   IMG_GATE_1,                           50,
584   IMG_GATE_2,                           50,
585   IMG_GATE_3,                           50,
586   IMG_GATE_4,                           50,                     HA_NEXT,
587
588   IMG_GATE_1_GRAY,                      50,
589   IMG_GATE_2_GRAY,                      50,
590   IMG_GATE_3_GRAY,                      50,
591   IMG_GATE_4_GRAY,                      50,                     HA_NEXT,
592
593   IMG_DYNAMITE,                         -1,                     HA_NEXT,
594
595   IMG_DYNAMITE_ACTIVE,                  96,
596   IMG_EXPLOSION,                        16,
597   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
598
599   IMG_DYNABOMB_ACTIVE,                  100,
600   IMG_EXPLOSION,                        16,
601   IMG_EMPTY_SPACE,                      20,                     HA_NEXT,
602
603   IMG_DYNABOMB_INCREASE_NUMBER,         -1,                     HA_NEXT,
604
605   IMG_DYNABOMB_INCREASE_SIZE,           -1,                     HA_NEXT,
606
607   IMG_DYNABOMB_INCREASE_POWER,          -1,                     HA_NEXT,
608
609   IMG_SPACESHIP_RIGHT,                  16,
610   IMG_SPACESHIP_UP,                     16,
611   IMG_SPACESHIP_LEFT,                   16,
612   IMG_SPACESHIP_DOWN,                   16,                     HA_NEXT,
613
614   IMG_BUG_RIGHT,                        16,
615   IMG_BUG_UP,                           16,
616   IMG_BUG_LEFT,                         16,
617   IMG_BUG_DOWN,                         16,                     HA_NEXT,
618
619   IMG_BD_BUTTERFLY,                     -1,                     HA_NEXT,
620
621   IMG_BD_FIREFLY,                       -1,                     HA_NEXT,
622
623   IMG_PACMAN_RIGHT,                     16,
624   IMG_PACMAN_UP,                        16,
625   IMG_PACMAN_LEFT,                      16,
626   IMG_PACMAN_DOWN,                      16,                     HA_NEXT,
627
628   IMG_YAMYAM,                           -1,                     HA_NEXT,
629
630   IMG_DARK_YAMYAM,                      -1,                     HA_NEXT,
631
632   IMG_ROBOT,                            -1,                     HA_NEXT,
633
634   IMG_MOLE_MOVING_RIGHT,                16,
635   IMG_MOLE_MOVING_UP,                   16,
636   IMG_MOLE_MOVING_LEFT,                 16,
637   IMG_MOLE_MOVING_DOWN,                 16,                     HA_NEXT,
638
639   IMG_PENGUIN_MOVING_RIGHT,             16,
640   IMG_PENGUIN_MOVING_UP,                16,
641   IMG_PENGUIN_MOVING_LEFT,              16,
642   IMG_PENGUIN_MOVING_DOWN,              16,                     HA_NEXT,
643
644   IMG_PIG_MOVING_RIGHT,                 16,
645   IMG_PIG_MOVING_UP,                    16,
646   IMG_PIG_MOVING_LEFT,                  16,
647   IMG_PIG_MOVING_DOWN,                  16,                     HA_NEXT,
648
649   IMG_DRAGON_MOVING_RIGHT,              16,
650   IMG_DRAGON_MOVING_UP,                 16,
651   IMG_DRAGON_MOVING_LEFT,               16,
652   IMG_DRAGON_MOVING_DOWN,               16,                     HA_NEXT,
653
654   IMG_SATELLITE,                        -1,                     HA_NEXT,
655
656   IMG_ROBOT_WHEEL,                      50,
657   IMG_ROBOT_WHEEL_ACTIVE,               100,                    HA_NEXT,
658
659   IMG_LAMP,                             50,
660   IMG_LAMP_ACTIVE,                      50,                     HA_NEXT,
661
662   IMG_TIME_ORB_FULL,                    50,
663   IMG_TIME_ORB_EMPTY,                   50,                     HA_NEXT,
664
665   IMG_AMOEBA_DROP,                      50,
666   IMG_AMOEBA_GROWING,                   6,
667   IMG_AMOEBA_WET,                       20,                     HA_NEXT,
668
669   IMG_AMOEBA_DEAD,                      -1,                     HA_NEXT,
670
671   IMG_AMOEBA_WET,                       -1,                     HA_NEXT,
672
673   IMG_AMOEBA_WET,                       100,
674   IMG_AMOEBA_GROWING,                   6,                      HA_NEXT,
675
676   IMG_AMOEBA_FULL,                      50,
677   IMG_AMOEBA_DEAD,                      50,
678   IMG_EXPLOSION,                        16,
679   IMG_DIAMOND,                          20,                     HA_NEXT,
680
681   IMG_GAME_OF_LIFE,                     -1,                     HA_NEXT,
682
683   IMG_BIOMAZE,                          -1,                     HA_NEXT,
684
685   IMG_MAGIC_WALL_ACTIVE,                -1,                     HA_NEXT,
686
687   IMG_BD_MAGIC_WALL_ACTIVE,             -1,                     HA_NEXT,
688
689   IMG_EXIT_CLOSED,                      200,
690   IMG_EXIT_OPENING,                     16,
691   IMG_EXIT_OPEN,                        100,                    HA_NEXT,
692
693   IMG_EXIT_OPEN,                        -1,                     HA_NEXT,
694
695   IMG_SOKOBAN_OBJECT,                   -1,                     HA_NEXT,
696
697   IMG_SOKOBAN_FIELD_EMPTY,              -1,                     HA_NEXT,
698
699   IMG_SOKOBAN_FIELD_FULL,               -1,                     HA_NEXT,
700
701   IMG_SPEED_PILL,                       -1,                     HA_NEXT,
702
703   HA_END
704 };
705 static char *helpscreen_eltext[][2] =
706 {
707  {"THE HERO:",                          "(Is _this_ guy good old Rockford?)"},
708  {"Normal sand:",                       "You can dig through it"},
709  {"Empty field:",                       "You can walk through it"},
710  {"Quicksand: You cannot pass it,",     "but rocks can fall through it"},
711  {"Massive Wall:",                      "Nothing can go through it"},
712  {"Normal Wall: You can't go through",  "it, but you can bomb it away"},
713  {"Growing Wall: Grows in several di-", "rections if there is an empty field"},
714  {"Invisible Wall: Behaves like normal","wall, but is invisible"},
715  {"Old Wall: Like normal wall, but",    "some things can fall down from it"},
716  {"Letter Wall: Looks like a letter,",  "behaves like a normal wall"},
717  {"Emerald: You must collect enough of","them to finish a level"},
718  {"Diamond: Counts as 3 emeralds, but", "can be destroyed by rocks"},
719  {"Diamond (BD style): Counts like one","emerald and behaves a bit different"},
720  {"Colorful Gems:",                     "Seem to behave like Emeralds"},
721  {"Rock: Smashes several things;",      "Can be moved by the player"},
722  {"Bomb: You can move it, but be",      "careful when dropping it"},
723  {"Nut: Throw a rock on it to open it;","Each nut contains an emerald"},
724  {"Wall with an emerald inside:",       "Bomb the wall away to get it"},
725  {"Wall with a diamond inside:",        "Bomb the wall away to get it"},
726  {"Wall with BD style diamond inside:", "Bomb the wall away to get it"},
727  {"Wall with colorful gem inside:",     "Bomb the wall away to get it"},
728  {"Acid: Things that fall in are gone", "forever (including our hero)"},
729  {"Key: Opens the door that has the",   "same color (red/yellow/green/blue)"},
730  {"Door: Can be opened by the key",     "with the same color"},
731  {"Door: You have to find out the",     "right color of the key for it"},
732  {"Dynamite: Collect it and use it to", "destroy walls or kill enemies"},
733  {"Dynamite: This one explodes after",  "a few seconds"},
734  {"Dyna Bomb: Explodes in 4 directions","with variable explosion size"},
735  {"Dyna Bomb: Increases the number of", "dyna bombs available at a time"},
736  {"Dyna Bomb: Increases the size of",   "explosion of dyna bombs"},
737  {"Dyna Bomb: Increases the power of",  "explosion of dyna bombs"},
738  {"Spaceship: Moves at the left side",  "of walls; don't touch it!"},
739  {"Bug: Moves at the right side",       "of walls; don't touch it!"},
740  {"Butterfly: Moves at the right side", "of walls; don't touch it!"},
741  {"Firefly: Moves at the left side",    "of walls; don't touch it!"},
742  {"Pacman: Eats the amoeba and you,",   "if you're not careful"},
743  {"Cruncher: Eats diamonds and you,",   "if you're not careful"},
744  {"Cruncher (BD style):",               "Eats almost everything"},
745  {"Robot: Tries to kill the player",    ""},
746  {"The mole: Eats the amoeba and turns","empty space into normal sand"},
747  {"The penguin: Guide him to the exit,","but keep him away from monsters!"},
748  {"The Pig: Harmless, but eats all",    "gems it can get"},
749  {"The Dragon: Breathes fire,",         "especially to some monsters"},
750  {"Sonde: Follows you everywhere;",     "harmless, but may block your way"},
751  {"Magic Wheel: Touch it to get rid of","the robots for some seconds"},
752  {"Light Bulb: All of them must be",    "switched on to finish a level"},
753  {"Extra Time Orb: Adds some seconds",  "to the time available for the level"},
754  {"Amoeba Drop: Grows to an amoeba on", "the ground - don't touch it"},
755  {"Dead Amoeba: Does not grow, but",    "can still kill bugs and spaceships"},
756  {"Normal Amoeba: Grows through empty", "fields, sand and quicksand"},
757  {"Dropping Amoeba: This one makes",    "drops that grow to a new amoeba"},
758  {"Living Amoeba (BD style): Contains", "other element, when surrounded"},
759  {"Game Of Life: Behaves like the well","known 'Game Of Life' (2333 style)"},
760  {"Biomaze: A bit like the 'Game Of",   "Life', but builds crazy mazes"},
761  {"Magic Wall: Changes rocks, emeralds","and diamonds when they pass it"},
762  {"Magic Wall (BD style):",             "Changes rocks and BD style diamonds"},
763  {"Exit door: Opens if you have enough","emeralds to finish the level"},
764  {"Open exit door: Enter here to leave","the level and exit the actual game"},
765  {"Sokoban element: Object which must", "be pushed to an empty field"},
766  {"Sokoban element: Empty field where", "a Sokoban object can be placed on"},
767  {"Sokoban element: Field with object", "which can be pushed away"},
768  {"Speed pill: Lets the player run",    "twice as fast as normally"},
769 };
770 static int num_helpscreen_els = sizeof(helpscreen_eltext) / (2*sizeof(char *));
771
772 static char *helpscreen_music[][3] =
773 {
774   { "Alchemy",                  "Ian Boddy",            "Drive" },
775   { "The Chase",                "Propaganda",           "A Secret Wish" },
776   { "Network 23",               "Tangerine Dream",      "Exit" },
777   { "Czardasz",                 "Robert Pieculewicz",   "Czardasz" },
778   { "21st Century Common Man",  "Tangerine Dream",      "Tyger" },
779   { "Voyager",                  "The Alan Parsons Project","Pyramid" },
780   { "Twilight Painter",         "Tangerine Dream",      "Heartbreakers" }
781 };
782 static int num_helpscreen_music = 7;
783 static int helpscreen_musicpos;
784
785 #if 0
786 void OLD_DrawHelpScreenElAction(int start)
787 {
788   int i = 0, j = 0;
789   int frame, graphic;
790   int xstart = SX+16, ystart = SY+64+2*32, ystep = TILEY+4;
791
792   while(helpscreen_action[j] != HA_END)
793   {
794     if (i>=start+MAX_HELPSCREEN_ELS || i>=num_helpscreen_els)
795       break;
796     else if (i<start || helpscreen_delay[i-start])
797     {
798       if (i>=start && helpscreen_delay[i-start])
799         helpscreen_delay[i-start]--;
800
801       while(helpscreen_action[j] != HA_NEXT)
802         j++;
803       j++;
804       i++;
805       continue;
806     }
807
808     j += 3*helpscreen_step[i-start];
809     graphic = helpscreen_action[j++];
810
811     if (helpscreen_frame[i-start])
812     {
813       frame = helpscreen_action[j++] - helpscreen_frame[i-start];
814       helpscreen_frame[i-start]--;
815     }
816     else
817     {
818       frame = 0;
819       helpscreen_frame[i-start] = helpscreen_action[j++]-1;
820     }
821
822     helpscreen_delay[i-start] = helpscreen_action[j++] - 1;
823
824     if (helpscreen_action[j] == HA_NEXT)
825     {
826       if (!helpscreen_frame[i-start])
827         helpscreen_step[i-start] = 0;
828     }
829     else
830     {
831       if (!helpscreen_frame[i-start])
832         helpscreen_step[i-start]++;
833       while(helpscreen_action[j] != HA_NEXT)
834         j++;
835     }
836     j++;
837
838     DrawOldGraphicExt(drawto, xstart, ystart+(i-start)*ystep, graphic+frame);
839     i++;
840   }
841
842   for(i=2;i<16;i++)
843   {
844     MarkTileDirty(0,i);
845     MarkTileDirty(1,i);
846   }
847 }
848 #endif
849
850 void DrawHelpScreenElAction(int start)
851 {
852   int i = 0, j = 0;
853   int xstart = mSX + 16;
854   int ystart = mSY + 64 + 2 * 32;
855   int ystep = TILEY + 4;
856   int graphic;
857   int frame_count;
858   int sync_frame;
859
860   while (helpscreen_action[j] != HA_END)
861   {
862     if (i >= start + MAX_HELPSCREEN_ELS || i >= num_helpscreen_els)
863       break;
864     else if (i < start)
865     {
866       while (helpscreen_action[j] != HA_NEXT)
867         j++;
868
869       j++;
870       i++;
871
872       continue;
873     }
874
875     j += 2 * helpscreen_step[i-start];
876     graphic = helpscreen_action[j++];
877     frame_count = helpscreen_action[j++];
878     if (frame_count == -1)
879       frame_count = 1000000;
880
881     if (helpscreen_frame[i-start] == 0)
882     {
883       sync_frame = 0;
884       helpscreen_frame[i-start] = frame_count - 1;
885     }
886     else
887     {
888       sync_frame = frame_count - helpscreen_frame[i-start];
889       helpscreen_frame[i-start]--;
890     }
891
892     if (helpscreen_action[j] == HA_NEXT)
893     {
894       if (!helpscreen_frame[i-start])
895         helpscreen_step[i-start] = 0;
896     }
897     else
898     {
899       if (!helpscreen_frame[i-start])
900         helpscreen_step[i-start]++;
901       while(helpscreen_action[j] != HA_NEXT)
902         j++;
903     }
904     j++;
905
906 #if 1
907     ClearRectangleOnBackground(drawto, xstart, ystart + (i - start) * ystep,
908                                TILEX, TILEY);
909     DrawGraphicAnimationExt(drawto, xstart, ystart + (i - start) * ystep,
910                             graphic, sync_frame, USE_MASKING);
911 #else
912     frame = getGraphicAnimationFrame(graphic, sync_frame);
913
914     DrawGraphicExt(drawto, xstart, ystart + (i-start) * ystep,
915                    graphic, frame);
916 #endif
917
918     i++;
919   }
920
921 #if 1
922   redraw_mask |= REDRAW_FIELD;
923 #else
924   for(i=2; i<16; i++)
925   {
926     MarkTileDirty(0, i);
927     MarkTileDirty(1, i);
928   }
929 #endif
930
931   FrameCounter++;
932 }
933
934 void DrawHelpScreenElText(int start)
935 {
936   int i;
937   int xstart = mSX + 56, ystart = mSY + 65 + 2 * 32, ystep = TILEY + 4;
938   int ybottom = SYSIZE - 20;
939
940   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
941   ClearWindow();
942   DrawHeadline();
943
944   DrawTextFCentered(100, FONT_TEXT_1, "The game elements:");
945
946   for(i=start; i < start + MAX_HELPSCREEN_ELS && i < num_helpscreen_els; i++)
947   {
948     DrawText(xstart,
949              ystart + (i - start) * ystep + (*helpscreen_eltext[i][1] ? 0 : 8),
950              helpscreen_eltext[i][0], FONT_TEXT_2);
951     DrawText(xstart, ystart + (i - start) * ystep + 16,
952              helpscreen_eltext[i][1], FONT_TEXT_2);
953   }
954
955   DrawTextFCentered(ybottom, FONT_TEXT_4,
956                     "Press any key or button for next page");
957 }
958
959 void DrawHelpScreenMusicText(int num)
960 {
961   int ystart = 150, ystep = 30;
962   int ybottom = SYSIZE - 20;
963
964   FadeSounds();
965   ClearWindow();
966   DrawHeadline();
967
968   DrawTextFCentered(100, FONT_TEXT_1, "The game background music loops:");
969
970   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "Excerpt from");
971   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3,
972                     "\"%s\"", helpscreen_music[num][0]);
973   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "by");
974   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3,
975                     "%s", helpscreen_music[num][1]);
976   DrawTextFCentered(ystart + 4 * ystep, FONT_TEXT_2, "from the album");
977   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_3,
978                     "\"%s\"", helpscreen_music[num][2]);
979
980   DrawTextFCentered(ybottom, FONT_TEXT_4,
981                     "Press any key or button for next page");
982
983 #if 0
984   PlaySoundLoop(background_loop[num]);
985 #endif
986 }
987
988 void DrawHelpScreenCreditsText()
989 {
990   int ystart = 150, ystep = 30;
991   int ybottom = SYSIZE - 20;
992
993   FadeSounds();
994   ClearWindow();
995   DrawHeadline();
996
997   DrawTextFCentered(100, FONT_TEXT_1, "Credits:");
998   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2, "DOS port of the game:");
999   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_3, "Guido Schulz");
1000   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_2, "Additional toons:");
1001   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_3, "Karl Hörnell");
1002   DrawTextFCentered(ystart + 5 * ystep, FONT_TEXT_2,
1003                     "...and many thanks to all contributors");
1004   DrawTextFCentered(ystart + 6 * ystep, FONT_TEXT_2, "of new levels!");
1005
1006   DrawTextFCentered(ybottom, FONT_TEXT_4,
1007                     "Press any key or button for next page");
1008 }
1009
1010 void DrawHelpScreenContactText()
1011 {
1012   int ystart = 150, ystep = 30;
1013   int ybottom = SYSIZE - 20;
1014
1015   ClearWindow();
1016   DrawHeadline();
1017
1018   DrawTextFCentered(100, FONT_TEXT_1, "Program information:");
1019
1020   DrawTextFCentered(ystart + 0 * ystep, FONT_TEXT_2,
1021                     "This game is Freeware!");
1022   DrawTextFCentered(ystart + 1 * ystep, FONT_TEXT_2,
1023                     "If you like it, send e-mail to:");
1024   DrawTextFCentered(ystart + 2 * ystep, FONT_TEXT_3,
1025                     "info@artsoft.org");
1026   DrawTextFCentered(ystart + 3 * ystep, FONT_TEXT_2,
1027                     "or SnailMail to:");
1028   DrawTextFCentered(ystart + 4 * ystep + 0, FONT_TEXT_3,
1029                     "Holger Schemel");
1030   DrawTextFCentered(ystart + 4 * ystep + 20, FONT_TEXT_3,
1031                     "Detmolder Strasse 189");
1032   DrawTextFCentered(ystart + 4 * ystep + 40, FONT_TEXT_3,
1033                     "33604 Bielefeld");
1034   DrawTextFCentered(ystart + 4 * ystep + 60, FONT_TEXT_3,
1035                     "Germany");
1036
1037   DrawTextFCentered(ystart + 7 * ystep, FONT_TEXT_2,
1038                     "If you have created new levels,");
1039   DrawTextFCentered(ystart + 8 * ystep, FONT_TEXT_2,
1040                     "send them to me to include them!");
1041   DrawTextFCentered(ystart + 9 * ystep, FONT_TEXT_2,
1042                     ":-)");
1043
1044   DrawTextFCentered(ybottom, FONT_TEXT_4,
1045                     "Press any key or button for main menu");
1046 }
1047
1048 void DrawHelpScreen()
1049 {
1050   int i;
1051
1052   UnmapAllGadgets();
1053   CloseDoor(DOOR_CLOSE_2);
1054
1055   for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1056     helpscreen_step[i] = helpscreen_frame[i] = 0;
1057   helpscreen_musicpos = 0;
1058   helpscreen_state = 0;
1059
1060   DrawHelpScreenElText(0);
1061   DrawHelpScreenElAction(0);
1062
1063   FadeToFront();
1064   InitAnimation();
1065
1066 #if 0
1067   PlaySoundLoop(SND_BACKGROUND_INFO);
1068 #else
1069   PlaySound_Menu_Start(SND_BACKGROUND_INFO);
1070 #endif
1071 }
1072
1073 void HandleHelpScreen(int button)
1074 {
1075   static unsigned long hs_delay = 0;
1076   int num_helpscreen_els_pages =
1077     (num_helpscreen_els + MAX_HELPSCREEN_ELS-1) / MAX_HELPSCREEN_ELS;
1078   int button_released = !button;
1079   int i;
1080
1081   if (button_released)
1082   {
1083     if (helpscreen_state < num_helpscreen_els_pages - 1)
1084     {
1085       for(i=0;i<MAX_HELPSCREEN_ELS;i++)
1086         helpscreen_step[i] = helpscreen_frame[i] = 0;
1087       helpscreen_state++;
1088
1089       FrameCounter = 0;
1090       DrawHelpScreenElText(helpscreen_state * MAX_HELPSCREEN_ELS);
1091       DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1092     }
1093     else if (helpscreen_state <
1094              num_helpscreen_els_pages + num_helpscreen_music - 1)
1095     {
1096       helpscreen_state++;
1097       DrawHelpScreenMusicText(helpscreen_state - num_helpscreen_els_pages);
1098     }
1099     else if (helpscreen_state ==
1100              num_helpscreen_els_pages + num_helpscreen_music - 1)
1101     {
1102       helpscreen_state++;
1103       DrawHelpScreenCreditsText();
1104     }
1105     else if (helpscreen_state ==
1106              num_helpscreen_els_pages + num_helpscreen_music)
1107     {
1108       helpscreen_state++;
1109       DrawHelpScreenContactText();
1110     }
1111     else
1112     {
1113       FadeSounds();
1114
1115       game_status = GAME_MODE_MAIN;
1116       DrawMainMenu();
1117     }
1118   }
1119   else
1120   {
1121     if (DelayReached(&hs_delay, GAME_FRAME_DELAY))
1122     {
1123       if (helpscreen_state < num_helpscreen_els_pages)
1124         DrawHelpScreenElAction(helpscreen_state * MAX_HELPSCREEN_ELS);
1125     }
1126
1127     /* !!! workaround for playing "music" that is really a sound loop (and
1128        must therefore periodically be reactivated with the current sound
1129        engine !!! */
1130 #if 0
1131     PlaySoundLoop(SND_BACKGROUND_INFO);
1132 #else
1133     PlaySound_Menu_Continue(SND_BACKGROUND_INFO);
1134 #endif
1135   }
1136
1137   DoAnimation();
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   title_string =
1245     (ti->type == TREE_TYPE_LEVEL_DIR ? "Level Directories" :
1246      ti->type == TREE_TYPE_GRAPHICS_DIR ? "Custom Graphics" :
1247      ti->type == TREE_TYPE_SOUNDS_DIR ? "Custom Sounds" :
1248      ti->type == TREE_TYPE_MUSIC_DIR ? "Custom Music" : "");
1249
1250   DrawText(SX + xoffset, SY + yoffset, title_string, FONT_TITLE_1);
1251
1252   /* force LEVELS font on artwork setup screen */
1253   game_status = GAME_MODE_LEVELS;
1254
1255   /* clear tree list area, but not title or scrollbar */
1256   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1257                  SXSIZE - 32 + menu.scrollbar_xoffset, SYSIZE);
1258
1259   for(i=0; i<num_page_entries; i++)
1260   {
1261     TreeInfo *node, *node_first;
1262     int entry_pos = first_entry + i;
1263     int ypos = MENU_SCREEN_START_YPOS + i;
1264
1265     node_first = getTreeInfoFirstGroupEntry(ti);
1266     node = getTreeInfoFromPos(node_first, entry_pos);
1267
1268     strncpy(buffer, node->name , max_buffer_len);
1269     buffer[max_buffer_len] = '\0';
1270
1271     DrawText(mSX + 32, mSY + ypos * 32, buffer, FONT_TEXT_1 + node->color);
1272
1273     if (node->parent_link)
1274       initCursor(i, IMG_MENU_BUTTON_LEFT);
1275     else if (node->level_group)
1276       initCursor(i, IMG_MENU_BUTTON_RIGHT);
1277     else
1278       initCursor(i, IMG_MENU_BUTTON);
1279   }
1280
1281   game_status = last_game_status;       /* restore current game status */
1282
1283   redraw_mask |= REDRAW_FIELD;
1284 }
1285
1286 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
1287 {
1288   TreeInfo *node, *node_first;
1289   int x, last_redraw_mask = redraw_mask;
1290
1291   if (ti->type != TREE_TYPE_LEVEL_DIR)
1292     return;
1293
1294   node_first = getTreeInfoFirstGroupEntry(ti);
1295   node = getTreeInfoFromPos(node_first, entry_pos);
1296
1297   DrawBackground(SX + 32, SY + 32, SXSIZE - 64, 32);
1298
1299   if (node->parent_link)
1300     DrawTextFCentered(40, FONT_TITLE_2, "leave group \"%s\"",
1301                       node->class_desc);
1302   else if (node->level_group)
1303     DrawTextFCentered(40, FONT_TITLE_2, "enter group \"%s\"",
1304                       node->class_desc);
1305   else if (ti->type == TREE_TYPE_LEVEL_DIR)
1306     DrawTextFCentered(40, FONT_TITLE_2, "%3d levels (%s)",
1307                       node->levels, node->class_desc);
1308
1309   /* let BackToFront() redraw only what is needed */
1310   redraw_mask = last_redraw_mask | REDRAW_TILES;
1311   for (x=0; x<SCR_FIELDX; x++)
1312     MarkTileDirty(x, 1);
1313 }
1314
1315 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
1316                              TreeInfo **ti_ptr)
1317 {
1318   TreeInfo *ti = *ti_ptr;
1319   int x = 0;
1320   int y = ti->cl_cursor;
1321   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1322   int num_entries = numTreeInfoInGroup(ti);
1323   int num_page_entries;
1324   int last_game_status = game_status;   /* save current game status */
1325
1326   /* force LEVELS draw offset on choose level and artwork setup screen */
1327   game_status = GAME_MODE_LEVELS;
1328
1329   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
1330     num_page_entries = num_entries;
1331   else
1332     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1333
1334   game_status = last_game_status;       /* restore current game status */
1335
1336   if (button == MB_MENU_INITIALIZE)
1337   {
1338     int num_entries = numTreeInfoInGroup(ti);
1339     int entry_pos = posTreeInfo(ti);
1340
1341     if (ti->cl_first == -1)
1342     {
1343       /* only on initialization */
1344       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1345       ti->cl_cursor = entry_pos - ti->cl_first;
1346     }
1347     else if (ti->cl_cursor >= num_page_entries ||
1348              (num_entries > num_page_entries &&
1349               num_entries - ti->cl_first < num_page_entries))
1350     {
1351       /* only after change of list size (by custom graphic configuration) */
1352       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
1353       ti->cl_cursor = entry_pos - ti->cl_first;
1354     }
1355
1356     if (dx == 999)      /* first entry is set by scrollbar position */
1357       ti->cl_first = dy;
1358     else
1359       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1360                                 ti->cl_first, ti);
1361
1362     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1363     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1364     drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1365
1366     return;
1367   }
1368   else if (button == MB_MENU_LEAVE)
1369   {
1370     if (ti->node_parent)
1371     {
1372       *ti_ptr = ti->node_parent;
1373       DrawChooseTree(ti_ptr);
1374     }
1375     else if (game_status == GAME_MODE_SETUP)
1376     {
1377       execSetupArtwork();
1378     }
1379     else
1380     {
1381       game_status = GAME_MODE_MAIN;
1382       DrawMainMenu();
1383     }
1384
1385     return;
1386   }
1387
1388   if (mx || my)         /* mouse input */
1389   {
1390     int last_game_status = game_status; /* save current game status */
1391
1392     /* force LEVELS draw offset on artwork setup screen */
1393     game_status = GAME_MODE_LEVELS;
1394
1395     x = (mx - mSX) / 32;
1396     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
1397
1398     game_status = last_game_status;     /* restore current game status */
1399   }
1400   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
1401   {
1402     /* move cursor instead of scrolling when already at start/end of list */
1403     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
1404       dy = -1;
1405     else if (dy == +1 * SCROLL_LINE &&
1406              ti->cl_first + num_page_entries == num_entries)
1407       dy = 1;
1408
1409     /* handle scrolling screen one line or page */
1410     if (ti->cl_cursor + dy < 0 ||
1411         ti->cl_cursor + dy > num_page_entries - 1)
1412     {
1413       if (ABS(dy) == SCROLL_PAGE)
1414         step = num_page_entries - 1;
1415
1416       if (dy < 0 && ti->cl_first > 0)
1417       {
1418         /* scroll page/line up */
1419
1420         ti->cl_first -= step;
1421         if (ti->cl_first < 0)
1422           ti->cl_first = 0;
1423
1424         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1425         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1426         drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1427         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1428                                   ti->cl_first, ti);
1429       }
1430       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
1431       {
1432         /* scroll page/line down */
1433
1434         ti->cl_first += step;
1435         if (ti->cl_first + num_page_entries > num_entries)
1436           ti->cl_first = MAX(0, num_entries - num_page_entries);
1437
1438         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
1439         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
1440         drawChooseTreeCursor(ti->cl_cursor, FC_RED);
1441         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
1442                                   ti->cl_first, ti);
1443       }
1444
1445       return;
1446     }
1447
1448     /* handle moving cursor one line */
1449     y = ti->cl_cursor + dy;
1450   }
1451
1452   if (dx == 1)
1453   {
1454     TreeInfo *node_first, *node_cursor;
1455     int entry_pos = ti->cl_first + y;
1456
1457     node_first = getTreeInfoFirstGroupEntry(ti);
1458     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1459
1460     if (node_cursor->node_group)
1461     {
1462       node_cursor->cl_first = ti->cl_first;
1463       node_cursor->cl_cursor = ti->cl_cursor;
1464       *ti_ptr = node_cursor->node_group;
1465       DrawChooseTree(ti_ptr);
1466
1467       return;
1468     }
1469   }
1470   else if (dx == -1 && ti->node_parent)
1471   {
1472     *ti_ptr = ti->node_parent;
1473     DrawChooseTree(ti_ptr);
1474
1475     return;
1476   }
1477
1478   if (x == 0 && y >= 0 && y < num_page_entries)
1479   {
1480     if (button)
1481     {
1482       if (y != ti->cl_cursor)
1483       {
1484         drawChooseTreeCursor(y, FC_RED);
1485         drawChooseTreeCursor(ti->cl_cursor, FC_BLUE);
1486         drawChooseTreeInfo(ti->cl_first + y, ti);
1487         ti->cl_cursor = y;
1488       }
1489     }
1490     else
1491     {
1492       TreeInfo *node_first, *node_cursor;
1493       int entry_pos = ti->cl_first + y;
1494
1495       node_first = getTreeInfoFirstGroupEntry(ti);
1496       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
1497
1498       if (node_cursor->node_group)
1499       {
1500         node_cursor->cl_first = ti->cl_first;
1501         node_cursor->cl_cursor = ti->cl_cursor;
1502         *ti_ptr = node_cursor->node_group;
1503         DrawChooseTree(ti_ptr);
1504       }
1505       else if (node_cursor->parent_link)
1506       {
1507         *ti_ptr = node_cursor->node_parent;
1508         DrawChooseTree(ti_ptr);
1509       }
1510       else
1511       {
1512         node_cursor->cl_first = ti->cl_first;
1513         node_cursor->cl_cursor = ti->cl_cursor;
1514         *ti_ptr = node_cursor;
1515
1516         if (ti->type == TREE_TYPE_LEVEL_DIR)
1517         {
1518           LoadLevelSetup_SeriesInfo();
1519
1520           SaveLevelSetup_LastSeries();
1521           SaveLevelSetup_SeriesInfo();
1522           TapeErase();
1523         }
1524
1525         if (game_status == GAME_MODE_SETUP)
1526         {
1527           execSetupArtwork();
1528         }
1529         else
1530         {
1531           game_status = GAME_MODE_MAIN;
1532           DrawMainMenu();
1533         }
1534       }
1535     }
1536   }
1537
1538 #if 0
1539   if (game_status == GAME_MODE_LEVELS || game_status == GAME_MODE_SETUP)
1540     DoAnimation();
1541
1542   BackToFront();
1543 #endif
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   DoAnimation();
1558   BackToFront();
1559 }
1560
1561 void DrawHallOfFame(int highlight_position)
1562 {
1563   UnmapAllGadgets();
1564   FadeSounds();
1565   CloseDoor(DOOR_CLOSE_2);
1566
1567   if (highlight_position < 0) 
1568     LoadScore(level_nr);
1569
1570   FadeToFront();
1571   InitAnimation();
1572
1573   HandleHallOfFame(highlight_position,0, 0,0, MB_MENU_INITIALIZE);
1574
1575 #if 0
1576   PlaySound(SND_BACKGROUND_SCORES);
1577 #else
1578   PlaySound_Menu_Start(SND_BACKGROUND_SCORES);
1579 #endif
1580 }
1581
1582 static void drawHallOfFameList(int first_entry, int highlight_position)
1583 {
1584   int i;
1585
1586   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
1587   ClearWindow();
1588
1589   DrawText(mSX + 80, mSY + 8, "Hall Of Fame", FONT_TITLE_1);
1590   DrawTextFCentered(46, FONT_TITLE_2, "HighScores of Level %d", level_nr);
1591
1592   for(i=0; i<NUM_MENU_ENTRIES_ON_SCREEN; i++)
1593   {
1594     int entry = first_entry + i;
1595     boolean active = (entry == highlight_position);
1596     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
1597     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
1598     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
1599     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
1600     int dx1 = 3 * getFontWidth(font_nr1);
1601     int dx2 = dx1 + getFontWidth(font_nr1);
1602     int dx3 = dx2 + 25 * getFontWidth(font_nr3);
1603     int sy = mSY + 64 + i * 32;
1604
1605     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
1606     DrawText(mSX + dx1, sy, ".", font_nr1);
1607     DrawText(mSX + dx2, sy, ".........................", font_nr3);
1608     if (strcmp(highscore[entry].Name, EMPTY_PLAYER_NAME) != 0)
1609       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
1610     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
1611   }
1612
1613   redraw_mask |= REDRAW_FIELD;
1614 }
1615
1616 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
1617 {
1618   static int first_entry = 0;
1619   static int highlight_position = 0;
1620   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
1621   int button_released = !button;
1622
1623   if (button == MB_MENU_INITIALIZE)
1624   {
1625     first_entry = 0;
1626     highlight_position = mx;
1627     drawHallOfFameList(first_entry, highlight_position);
1628
1629     return;
1630   }
1631
1632   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
1633     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
1634
1635   if (dy < 0)
1636   {
1637     if (first_entry > 0)
1638     {
1639       first_entry -= step;
1640       if (first_entry < 0)
1641         first_entry = 0;
1642
1643       drawHallOfFameList(first_entry, highlight_position);
1644     }
1645   }
1646   else if (dy > 0)
1647   {
1648     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
1649     {
1650       first_entry += step;
1651       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
1652         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
1653
1654       drawHallOfFameList(first_entry, highlight_position);
1655     }
1656   }
1657   else if (button_released)
1658   {
1659     FadeSound(SND_BACKGROUND_SCORES);
1660     game_status = GAME_MODE_MAIN;
1661     DrawMainMenu();
1662   }
1663
1664 #if 1
1665   if (game_status == GAME_MODE_SCORES)
1666     PlaySound_Menu_Continue(SND_BACKGROUND_SCORES);
1667 #endif
1668
1669   DoAnimation();
1670   BackToFront();
1671 }
1672
1673
1674 /* ========================================================================= */
1675 /* setup screen functions                                                    */
1676 /* ========================================================================= */
1677
1678 static struct TokenInfo *setup_info;
1679 static int num_setup_info;
1680
1681 static char *graphics_set_name;
1682 static char *sounds_set_name;
1683 static char *music_set_name;
1684
1685 static void execSetupMain()
1686 {
1687   setup_mode = SETUP_MODE_MAIN;
1688   DrawSetupScreen();
1689 }
1690
1691 static void execSetupGame()
1692 {
1693   setup_mode = SETUP_MODE_GAME;
1694   DrawSetupScreen();
1695 }
1696
1697 static void execSetupEditor()
1698 {
1699   setup_mode = SETUP_MODE_EDITOR;
1700   DrawSetupScreen();
1701 }
1702
1703 static void execSetupGraphics()
1704 {
1705   setup_mode = SETUP_MODE_GRAPHICS;
1706   DrawSetupScreen();
1707 }
1708
1709 static void execSetupSound()
1710 {
1711   setup_mode = SETUP_MODE_SOUND;
1712   DrawSetupScreen();
1713 }
1714
1715 static void execSetupArtwork()
1716 {
1717   setup.graphics_set = artwork.gfx_current->identifier;
1718   setup.sounds_set = artwork.snd_current->identifier;
1719   setup.music_set = artwork.mus_current->identifier;
1720
1721   /* needed if last screen (setup choice) changed graphics, sounds or music */
1722   ReloadCustomArtwork();
1723
1724   /* needed for displaying artwork name instead of artwork identifier */
1725   graphics_set_name = artwork.gfx_current->name;
1726   sounds_set_name = artwork.snd_current->name;
1727   music_set_name = artwork.mus_current->name;
1728
1729   setup_mode = SETUP_MODE_ARTWORK;
1730   DrawSetupScreen();
1731 }
1732
1733 static void execSetupChooseGraphics()
1734 {
1735   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
1736   DrawSetupScreen();
1737 }
1738
1739 static void execSetupChooseSounds()
1740 {
1741   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
1742   DrawSetupScreen();
1743 }
1744
1745 static void execSetupChooseMusic()
1746 {
1747   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
1748   DrawSetupScreen();
1749 }
1750
1751 static void execSetupInput()
1752 {
1753   setup_mode = SETUP_MODE_INPUT;
1754   DrawSetupScreen();
1755 }
1756
1757 static void execSetupShortcut()
1758 {
1759   setup_mode = SETUP_MODE_SHORTCUT;
1760   DrawSetupScreen();
1761 }
1762
1763 static void execExitSetup()
1764 {
1765   game_status = GAME_MODE_MAIN;
1766   DrawMainMenu();
1767 }
1768
1769 static void execSaveAndExitSetup()
1770 {
1771   SaveSetup();
1772   execExitSetup();
1773 }
1774
1775 static struct TokenInfo setup_info_main[] =
1776 {
1777   { TYPE_ENTER_MENU,    execSetupGame,          "Game Settings"         },
1778   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor Settings"       },
1779   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
1780   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
1781   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
1782   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
1783   { TYPE_ENTER_MENU,    execSetupShortcut,      "Key Shortcuts"         },
1784   { TYPE_EMPTY,         NULL,                   ""                      },
1785   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
1786   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
1787   { 0,                  NULL,                   NULL                    }
1788 };
1789
1790 static struct TokenInfo setup_info_game[] =
1791 {
1792   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode:"            },
1793   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
1794   { TYPE_SWITCH,        &setup.time_limit,      "Timelimit:"            },
1795   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record:"          },
1796   { TYPE_EMPTY,         NULL,                   ""                      },
1797   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1798   { 0,                  NULL,                   NULL                    }
1799 };
1800
1801 static struct TokenInfo setup_info_editor[] =
1802 {
1803   { TYPE_STRING,        NULL,                   "Offer Special Elements:"},
1804   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "BoulderDash:"  },
1805   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
1806   { TYPE_SWITCH,        &setup.editor.el_more,          "More:"         },
1807   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
1808   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
1809   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamd. Caves:" },
1810   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX Boulderd.:" },
1811   { TYPE_SWITCH,        &setup.editor.el_chars,         "Characters:"   },
1812   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom:"       },
1813   { TYPE_SWITCH,        &setup.editor.el_custom_more,   "More Custom:"  },
1814   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
1815   { TYPE_EMPTY,         NULL,                   ""                      },
1816   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1817   { 0,                  NULL,                   NULL                    }
1818 };
1819
1820 static struct TokenInfo setup_info_graphics[] =
1821 {
1822   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
1823   { TYPE_SWITCH,        &setup.scroll_delay,    "Scroll Delay:"         },
1824   { TYPE_SWITCH,        &setup.soft_scrolling,  "Soft Scroll.:"         },
1825 #if 0
1826   { TYPE_SWITCH,        &setup.double_buffering,"Buffered gfx:"         },
1827   { TYPE_SWITCH,        &setup.fading,          "Fading:"               },
1828 #endif
1829   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Doors:"          },
1830   { TYPE_SWITCH,        &setup.toons,           "Toons:"                },
1831   { TYPE_EMPTY,         NULL,                   ""                      },
1832   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1833   { 0,                  NULL,                   NULL                    }
1834 };
1835
1836 static struct TokenInfo setup_info_sound[] =
1837 {
1838   { TYPE_SWITCH,        &setup.sound_simple,    "Simple Sound:"         },
1839   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Loops:"          },
1840   { TYPE_SWITCH,        &setup.sound_music,     "Game Music:"           },
1841   { TYPE_EMPTY,         NULL,                   ""                      },
1842   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1843   { 0,                  NULL,                   NULL                    }
1844 };
1845
1846 static struct TokenInfo setup_info_artwork[] =
1847 {
1848   { TYPE_ENTER_MENU,    execSetupChooseGraphics,"Custom Graphics"       },
1849   { TYPE_STRING,        &graphics_set_name,     ""                      },
1850   { TYPE_ENTER_MENU,    execSetupChooseSounds,  "Custom Sounds"         },
1851   { TYPE_STRING,        &sounds_set_name,       ""                      },
1852   { TYPE_ENTER_MENU,    execSetupChooseMusic,   "Custom Music"          },
1853   { TYPE_STRING,        &music_set_name,        ""                      },
1854   { TYPE_EMPTY,         NULL,                   ""                      },
1855   { TYPE_STRING,        NULL,                   "Override Level Artwork:"},
1856   { TYPE_YES_NO,        &setup.override_level_graphics, "Graphics:"     },
1857   { TYPE_YES_NO,        &setup.override_level_sounds,   "Sounds:"       },
1858   { TYPE_YES_NO,        &setup.override_level_music,    "Music:"        },
1859   { TYPE_EMPTY,         NULL,                   ""                      },
1860   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1861   { 0,                  NULL,                   NULL                    }
1862 };
1863
1864 static struct TokenInfo setup_info_shortcut[] =
1865 {
1866   { TYPE_KEYTEXT,       NULL,                   "Quick Save Game:",     },
1867   { TYPE_KEY,           &setup.shortcut.save_game,      ""              },
1868   { TYPE_KEYTEXT,       NULL,                   "Quick Load Game:",     },
1869   { TYPE_KEY,           &setup.shortcut.load_game,      ""              },
1870   { TYPE_KEYTEXT,       NULL,                   "Toggle Pause:",        },
1871   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""              },
1872   { TYPE_EMPTY,         NULL,                   ""                      },
1873   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on Esc:"           },
1874   { TYPE_EMPTY,         NULL,                   ""                      },
1875   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
1876   { 0,                  NULL,                   NULL                    }
1877 };
1878
1879 static Key getSetupKey()
1880 {
1881   Key key = KSYM_UNDEFINED;
1882   boolean got_key_event = FALSE;
1883
1884   while (!got_key_event)
1885   {
1886     if (PendingEvent())         /* got event */
1887     {
1888       Event event;
1889
1890       NextEvent(&event);
1891
1892       switch(event.type)
1893       {
1894         case EVENT_KEYPRESS:
1895           {
1896             key = GetEventKey((KeyEvent *)&event, TRUE);
1897
1898             /* press 'Escape' or 'Enter' to keep the existing key binding */
1899             if (key == KSYM_Escape || key == KSYM_Return)
1900               key = KSYM_UNDEFINED;     /* keep old value */
1901
1902             got_key_event = TRUE;
1903           }
1904           break;
1905
1906         case EVENT_KEYRELEASE:
1907           key_joystick_mapping = 0;
1908           break;
1909
1910         default:
1911           HandleOtherEvents(&event);
1912           break;
1913       }
1914     }
1915
1916     DoAnimation();
1917     BackToFront();
1918
1919     /* don't eat all CPU time */
1920     Delay(10);
1921   }
1922
1923   return key;
1924 }
1925
1926 static void drawSetupValue(int pos)
1927 {
1928   int xpos = MENU_SCREEN_VALUE_XPOS;
1929   int ypos = MENU_SCREEN_START_YPOS + pos;
1930   int font_nr = FONT_VALUE_1;
1931   char *value_string = getSetupValue(setup_info[pos].type & ~TYPE_GHOSTED,
1932                                      setup_info[pos].value);
1933
1934   if (value_string == NULL)
1935     return;
1936
1937   if (setup_info[pos].type & TYPE_KEY)
1938   {
1939     xpos = 3;
1940
1941     if (setup_info[pos].type & TYPE_QUERY)
1942     {
1943       value_string = "<press key>";
1944       font_nr = FONT_INPUT_1_ACTIVE;
1945     }
1946   }
1947   else if (setup_info[pos].type & TYPE_STRING)
1948   {
1949     int max_value_len = (SCR_FIELDX - 2) * 2;
1950
1951     xpos = 1;
1952     font_nr = FONT_VALUE_2;
1953
1954     if (strlen(value_string) > max_value_len)
1955       value_string[max_value_len] = '\0';
1956   }
1957   else if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1958   {
1959     font_nr = (*(boolean *)(setup_info[pos].value) ? FONT_OPTION_ON :
1960                FONT_OPTION_OFF);
1961   }
1962
1963   DrawText(mSX + xpos * 32, mSY + ypos * 32,
1964            (xpos == 3 ? "              " : "   "), font_nr);
1965   DrawText(mSX + xpos * 32, mSY + ypos * 32, value_string, font_nr);
1966 }
1967
1968 static void changeSetupValue(int pos)
1969 {
1970   if (setup_info[pos].type & TYPE_BOOLEAN_STYLE)
1971   {
1972     *(boolean *)setup_info[pos].value ^= TRUE;
1973   }
1974   else if (setup_info[pos].type & TYPE_KEY)
1975   {
1976     Key key;
1977
1978     setup_info[pos].type |= TYPE_QUERY;
1979     drawSetupValue(pos);
1980     setup_info[pos].type &= ~TYPE_QUERY;
1981
1982     key = getSetupKey();
1983     if (key != KSYM_UNDEFINED)
1984       *(Key *)setup_info[pos].value = key;
1985   }
1986
1987   drawSetupValue(pos);
1988 }
1989
1990 static void DrawSetupScreen_Generic()
1991 {
1992   char *title_string = NULL;
1993   int i;
1994
1995   UnmapAllGadgets();
1996   CloseDoor(DOOR_CLOSE_2);
1997
1998   ClearWindow();
1999
2000   if (setup_mode == SETUP_MODE_MAIN)
2001   {
2002     setup_info = setup_info_main;
2003     title_string = "Setup";
2004   }
2005   else if (setup_mode == SETUP_MODE_GAME)
2006   {
2007     setup_info = setup_info_game;
2008     title_string = "Setup Game";
2009   }
2010   else if (setup_mode == SETUP_MODE_EDITOR)
2011   {
2012     setup_info = setup_info_editor;
2013     title_string = "Setup Editor";
2014   }
2015   else if (setup_mode == SETUP_MODE_GRAPHICS)
2016   {
2017     setup_info = setup_info_graphics;
2018     title_string = "Setup Graphics";
2019   }
2020   else if (setup_mode == SETUP_MODE_SOUND)
2021   {
2022     setup_info = setup_info_sound;
2023     title_string = "Setup Sound";
2024   }
2025   else if (setup_mode == SETUP_MODE_ARTWORK)
2026   {
2027     setup_info = setup_info_artwork;
2028     title_string = "Custom Artwork";
2029   }
2030   else if (setup_mode == SETUP_MODE_SHORTCUT)
2031   {
2032     setup_info = setup_info_shortcut;
2033     title_string = "Setup Shortcuts";
2034   }
2035
2036   DrawText(mSX + 16, mSY + 16, title_string, FONT_TITLE_1);
2037
2038   num_setup_info = 0;
2039   for(i=0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2040   {
2041     void *value_ptr = setup_info[i].value;
2042     int ypos = MENU_SCREEN_START_YPOS + i;
2043     int font_nr = FONT_MENU_1;
2044
2045     /* set some entries to "unchangeable" according to other variables */
2046     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2047         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2048         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2049         (value_ptr == &setup.fullscreen   && !video.fullscreen_available))
2050       setup_info[i].type |= TYPE_GHOSTED;
2051
2052     if (setup_info[i].type & TYPE_STRING)
2053       font_nr = FONT_MENU_2;
2054
2055     DrawText(mSX + 32, mSY + ypos * 32, setup_info[i].text, font_nr);
2056
2057     if (setup_info[i].type & TYPE_ENTER_MENU)
2058       initCursor(i, IMG_MENU_BUTTON_RIGHT);
2059     else if (setup_info[i].type & TYPE_LEAVE_MENU)
2060       initCursor(i, IMG_MENU_BUTTON_LEFT);
2061     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
2062       initCursor(i, IMG_MENU_BUTTON);
2063
2064     if (setup_info[i].type & TYPE_VALUE)
2065       drawSetupValue(i);
2066
2067     num_setup_info++;
2068   }
2069
2070   FadeToFront();
2071   InitAnimation();
2072   HandleSetupScreen_Generic(0,0,0,0,MB_MENU_INITIALIZE);
2073 }
2074
2075 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
2076 {
2077   static int choice_store[MAX_SETUP_MODES];
2078   int choice = choice_store[setup_mode];        /* always starts with 0 */
2079   int x = 0;
2080   int y = choice;
2081
2082   if (button == MB_MENU_INITIALIZE)
2083   {
2084     /* advance to first valid menu entry */
2085     while (choice < num_setup_info &&
2086            (setup_info[choice].type & TYPE_SKIP_ENTRY))
2087       choice++;
2088     choice_store[setup_mode] = choice;
2089
2090     drawCursor(choice, FC_RED);
2091     return;
2092   }
2093   else if (button == MB_MENU_LEAVE)
2094   {
2095     for (y=0; y<num_setup_info; y++)
2096     {
2097       if (setup_info[y].type & TYPE_LEAVE_MENU)
2098       {
2099         void (*menu_callback_function)(void) = setup_info[y].value;
2100
2101         menu_callback_function();
2102         break;  /* absolutely needed because function changes 'setup_info'! */
2103       }
2104     }
2105
2106     return;
2107   }
2108
2109   if (mx || my)         /* mouse input */
2110   {
2111     x = (mx - mSX) / 32;
2112     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2113   }
2114   else if (dx || dy)    /* keyboard input */
2115   {
2116     if (dx)
2117     {
2118       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE_MENU : TYPE_ENTER_MENU);
2119
2120       if ((setup_info[choice].type & menu_navigation_type) ||
2121           (setup_info[choice].type & TYPE_BOOLEAN_STYLE))
2122         button = MB_MENU_CHOICE;
2123     }
2124     else if (dy)
2125       y = choice + dy;
2126
2127     /* jump to next non-empty menu entry (up or down) */
2128     while (y > 0 && y < num_setup_info - 1 &&
2129            (setup_info[y].type & TYPE_SKIP_ENTRY))
2130       y += dy;
2131   }
2132
2133   if (x == 0 && y >= 0 && y < num_setup_info &&
2134       (setup_info[y].type & ~TYPE_SKIP_ENTRY))
2135   {
2136     if (button)
2137     {
2138       if (y != choice)
2139       {
2140         drawCursor(y, FC_RED);
2141         drawCursor(choice, FC_BLUE);
2142         choice = choice_store[setup_mode] = y;
2143       }
2144     }
2145     else if (!(setup_info[y].type & TYPE_GHOSTED))
2146     {
2147       if (setup_info[y].type & TYPE_ENTER_OR_LEAVE_MENU)
2148       {
2149         void (*menu_callback_function)(void) = setup_info[choice].value;
2150
2151         menu_callback_function();
2152       }
2153       else
2154       {
2155         if ((setup_info[y].type & TYPE_KEYTEXT) &&
2156             (setup_info[y + 1].type & TYPE_KEY))
2157           y++;
2158
2159         if (setup_info[y].type & TYPE_VALUE)
2160           changeSetupValue(y);
2161       }
2162     }
2163   }
2164
2165 #if 0
2166   BackToFront();
2167
2168   if (game_status == GAME_MODE_SETUP)
2169     DoAnimation();
2170 #endif
2171 }
2172
2173 void DrawSetupScreen_Input()
2174 {
2175   ClearWindow();
2176
2177   DrawText(mSX+16, mSY+16, "Setup Input", FONT_TITLE_1);
2178
2179   initCursor(0, IMG_MENU_BUTTON);
2180   initCursor(1, IMG_MENU_BUTTON);
2181   initCursor(2, IMG_MENU_BUTTON_RIGHT);
2182   initCursor(13, IMG_MENU_BUTTON_LEFT);
2183
2184   drawCursorXY(10, 0, IMG_MENU_BUTTON_LEFT);
2185   drawCursorXY(12, 0, IMG_MENU_BUTTON_RIGHT);
2186
2187   DrawText(mSX+32, mSY+2*32, "Player:", FONT_MENU_1);
2188   DrawText(mSX+32, mSY+3*32, "Device:", FONT_MENU_1);
2189   DrawText(mSX+32, mSY+15*32, "Back",   FONT_MENU_1);
2190
2191 #if 0
2192   DeactivateJoystickForCalibration();
2193   DrawTextFCentered(SYSIZE - 20, FONT_TEXT_4,
2194                     "Joysticks deactivated on this screen");
2195 #endif
2196
2197   HandleSetupScreen_Input(0,0, 0,0, MB_MENU_INITIALIZE);
2198   FadeToFront();
2199   InitAnimation();
2200 }
2201
2202 static void setJoystickDeviceToNr(char *device_name, int device_nr)
2203 {
2204   if (device_name == NULL)
2205     return;
2206
2207   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
2208     device_nr = 0;
2209
2210   if (strlen(device_name) > 1)
2211   {
2212     char c1 = device_name[strlen(device_name) - 1];
2213     char c2 = device_name[strlen(device_name) - 2];
2214
2215     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
2216       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
2217   }
2218   else
2219     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
2220             strlen(device_name));
2221 }
2222
2223 static void drawPlayerSetupInputInfo(int player_nr)
2224 {
2225   int i;
2226   static struct SetupKeyboardInfo custom_key;
2227   static struct
2228   {
2229     Key *key;
2230     char *text;
2231   } custom[] =
2232   {
2233     { &custom_key.left,  "Joystick Left"  },
2234     { &custom_key.right, "Joystick Right" },
2235     { &custom_key.up,    "Joystick Up"    },
2236     { &custom_key.down,  "Joystick Down"  },
2237     { &custom_key.snap,  "Button 1"       },
2238     { &custom_key.bomb,  "Button 2"       }
2239   };
2240   static char *joystick_name[MAX_PLAYERS] =
2241   {
2242     "Joystick1",
2243     "Joystick2",
2244     "Joystick3",
2245     "Joystick4"
2246   };
2247
2248   custom_key = setup.input[player_nr].key;
2249
2250   DrawText(mSX+11*32, mSY+2*32, int2str(player_nr +1, 1), FONT_INPUT_1_ACTIVE);
2251 #if 1
2252   DrawGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
2253                          PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2254 #else
2255   DrawGraphicThruMask(8, 2, PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
2256 #endif
2257
2258   if (setup.input[player_nr].use_joystick)
2259   {
2260     char *device_name = setup.input[player_nr].joy.device_name;
2261
2262     DrawText(mSX+8*32, mSY+3*32,
2263              joystick_name[getJoystickNrFromDeviceName(device_name)],
2264              FONT_VALUE_1);
2265     DrawText(mSX+32, mSY+4*32, "Calibrate", FONT_MENU_1);
2266   }
2267   else
2268   {
2269     DrawText(mSX+8*32, mSY+3*32, "Keyboard ", FONT_VALUE_1);
2270     DrawText(mSX+32,   mSY+4*32, "Customize", FONT_MENU_1);
2271   }
2272
2273   DrawText(mSX+32, mSY+5*32, "Actual Settings:", FONT_MENU_1);
2274   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
2275   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
2276   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
2277   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
2278   DrawText(mSX+2*32, mSY+6*32, ":", FONT_VALUE_OLD);
2279   DrawText(mSX+2*32, mSY+7*32, ":", FONT_VALUE_OLD);
2280   DrawText(mSX+2*32, mSY+8*32, ":", FONT_VALUE_OLD);
2281   DrawText(mSX+2*32, mSY+9*32, ":", FONT_VALUE_OLD);
2282   DrawText(mSX+32, mSY+10*32, "Snap Field:", FONT_VALUE_OLD);
2283   DrawText(mSX+32, mSY+12*32, "Place Bomb:", FONT_VALUE_OLD);
2284
2285   for (i=0; i<6; i++)
2286   {
2287     int ypos = 6 + i + (i > 3 ? i-3 : 0);
2288
2289     DrawText(mSX + 3*32, mSY + ypos*32,
2290              "              ", FONT_VALUE_1);
2291     DrawText(mSX + 3*32, mSY + ypos*32,
2292              (setup.input[player_nr].use_joystick ?
2293               custom[i].text :
2294               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
2295   }
2296 }
2297
2298 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
2299 {
2300   static int choice = 0;
2301   static int player_nr = 0;
2302   int x = 0;
2303   int y = choice;
2304   int pos_start  = SETUPINPUT_SCREEN_POS_START;
2305   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
2306   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
2307   int pos_end    = SETUPINPUT_SCREEN_POS_END;
2308
2309   if (button == MB_MENU_INITIALIZE)
2310   {
2311     drawPlayerSetupInputInfo(player_nr);
2312     drawCursor(choice, FC_RED);
2313     return;
2314   }
2315   else if (button == MB_MENU_LEAVE)
2316   {
2317     setup_mode = SETUP_MODE_MAIN;
2318     DrawSetupScreen();
2319     InitJoysticks();
2320   }
2321
2322   if (mx || my)         /* mouse input */
2323   {
2324     x = (mx - mSX) / 32;
2325     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2326   }
2327   else if (dx || dy)    /* keyboard input */
2328   {
2329     if (dx && choice == 0)
2330       x = (dx < 0 ? 10 : 12);
2331     else if ((dx && choice == 1) ||
2332              (dx == +1 && choice == 2) ||
2333              (dx == -1 && choice == pos_end))
2334       button = MB_MENU_CHOICE;
2335     else if (dy)
2336       y = choice + dy;
2337
2338     if (y >= pos_empty1 && y <= pos_empty2)
2339       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
2340   }
2341
2342   if (y == 0 && ((x == 0 && !button) || ((x == 10 || x == 12) && button)))
2343   {
2344     static unsigned long delay = 0;
2345
2346     if (!DelayReached(&delay, GADGET_FRAME_DELAY))
2347 #if 1
2348       return;
2349 #else
2350       goto out;
2351 #endif
2352
2353     player_nr = (player_nr + (x == 10 ? -1 : +1) + MAX_PLAYERS) % MAX_PLAYERS;
2354
2355     drawPlayerSetupInputInfo(player_nr);
2356   }
2357   else if (x == 0 && y >= pos_start && y <= pos_end &&
2358            !(y >= pos_empty1 && y <= pos_empty2))
2359   {
2360     if (button)
2361     {
2362       if (y != choice)
2363       {
2364         drawCursor(y, FC_RED);
2365         drawCursor(choice, FC_BLUE);
2366         choice = y;
2367       }
2368     }
2369     else
2370     {
2371       if (y == 1)
2372       {
2373         char *device_name = setup.input[player_nr].joy.device_name;
2374
2375         if (!setup.input[player_nr].use_joystick)
2376         {
2377           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
2378
2379           setJoystickDeviceToNr(device_name, new_device_nr);
2380           setup.input[player_nr].use_joystick = TRUE;
2381         }
2382         else
2383         {
2384           int device_nr = getJoystickNrFromDeviceName(device_name);
2385           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
2386
2387           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
2388             setup.input[player_nr].use_joystick = FALSE;
2389           else
2390             setJoystickDeviceToNr(device_name, new_device_nr);
2391         }
2392
2393         drawPlayerSetupInputInfo(player_nr);
2394       }
2395       else if (y == 2)
2396       {
2397         if (setup.input[player_nr].use_joystick)
2398         {
2399           InitJoysticks();
2400           CalibrateJoystick(player_nr);
2401         }
2402         else
2403           CustomizeKeyboard(player_nr);
2404       }
2405       else if (y == pos_end)
2406       {
2407         InitJoysticks();
2408
2409         setup_mode = SETUP_MODE_MAIN;
2410         DrawSetupScreen();
2411       }
2412     }
2413   }
2414
2415 #if 0
2416   BackToFront();
2417
2418   out:
2419
2420   if (game_status == GAME_MODE_SETUP)
2421     DoAnimation();
2422 #endif
2423 }
2424
2425 void CustomizeKeyboard(int player_nr)
2426 {
2427   int i;
2428   int step_nr;
2429   boolean finished = FALSE;
2430   static struct SetupKeyboardInfo custom_key;
2431   static struct
2432   {
2433     Key *key;
2434     char *text;
2435   } customize_step[] =
2436   {
2437     { &custom_key.left,  "Move Left"  },
2438     { &custom_key.right, "Move Right" },
2439     { &custom_key.up,    "Move Up"    },
2440     { &custom_key.down,  "Move Down"  },
2441     { &custom_key.snap,  "Snap Field" },
2442     { &custom_key.bomb,  "Place Bomb" }
2443   };
2444
2445   /* read existing key bindings from player setup */
2446   custom_key = setup.input[player_nr].key;
2447
2448   ClearWindow();
2449   DrawText(mSX + 16, mSY + 16, "Keyboard Input", FONT_TITLE_1);
2450
2451   BackToFront();
2452   InitAnimation();
2453
2454   step_nr = 0;
2455   DrawText(mSX, mSY + (2+2*step_nr)*32,
2456            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2457   DrawText(mSX, mSY + (2+2*step_nr+1)*32,
2458            "Key:", FONT_INPUT_1_ACTIVE);
2459   DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2460            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
2461
2462   while(!finished)
2463   {
2464     if (PendingEvent())         /* got event */
2465     {
2466       Event event;
2467
2468       NextEvent(&event);
2469
2470       switch(event.type)
2471       {
2472         case EVENT_KEYPRESS:
2473           {
2474             Key key = GetEventKey((KeyEvent *)&event, FALSE);
2475
2476             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
2477             {
2478               finished = TRUE;
2479               break;
2480             }
2481
2482             /* all keys configured -- wait for "Escape" or "Return" key */
2483             if (step_nr == 6)
2484               break;
2485
2486             /* press 'Enter' to keep the existing key binding */
2487             if (key == KSYM_Return)
2488               key = *customize_step[step_nr].key;
2489
2490             /* check if key already used */
2491             for (i=0; i<step_nr; i++)
2492               if (*customize_step[i].key == key)
2493                 break;
2494             if (i < step_nr)
2495               break;
2496
2497             /* got new key binding */
2498             *customize_step[step_nr].key = key;
2499             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2500                      "             ", FONT_VALUE_1);
2501             DrawText(mSX + 4*32, mSY + (2+2*step_nr+1)*32,
2502                      getKeyNameFromKey(key), FONT_VALUE_1);
2503             step_nr++;
2504
2505             /* un-highlight last query */
2506             DrawText(mSX, mSY+(2+2*(step_nr-1))*32,
2507                      customize_step[step_nr-1].text, FONT_MENU_1);
2508             DrawText(mSX, mSY+(2+2*(step_nr-1)+1)*32,
2509                      "Key:", FONT_MENU_1);
2510
2511             /* press 'Enter' to leave */
2512             if (step_nr == 6)
2513             {
2514               DrawText(mSX + 16, mSY + 15*32+16,
2515                        "Press Enter", FONT_TITLE_1);
2516               break;
2517             }
2518
2519             /* query next key binding */
2520             DrawText(mSX, mSY+(2+2*step_nr)*32,
2521                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
2522             DrawText(mSX, mSY+(2+2*step_nr+1)*32,
2523                      "Key:", FONT_INPUT_1_ACTIVE);
2524             DrawText(mSX + 4*32, mSY+(2+2*step_nr+1)*32,
2525                      getKeyNameFromKey(*customize_step[step_nr].key),
2526                      FONT_VALUE_OLD);
2527           }
2528           break;
2529
2530         case EVENT_KEYRELEASE:
2531           key_joystick_mapping = 0;
2532           break;
2533
2534         default:
2535           HandleOtherEvents(&event);
2536           break;
2537       }
2538     }
2539
2540     DoAnimation();
2541     BackToFront();
2542
2543     /* don't eat all CPU time */
2544     Delay(10);
2545   }
2546
2547   /* write new key bindings back to player setup */
2548   setup.input[player_nr].key = custom_key;
2549
2550   StopAnimation();
2551   DrawSetupScreen_Input();
2552 }
2553
2554 static boolean CalibrateJoystickMain(int player_nr)
2555 {
2556   int new_joystick_xleft = JOYSTICK_XMIDDLE;
2557   int new_joystick_xright = JOYSTICK_XMIDDLE;
2558   int new_joystick_yupper = JOYSTICK_YMIDDLE;
2559   int new_joystick_ylower = JOYSTICK_YMIDDLE;
2560   int new_joystick_xmiddle, new_joystick_ymiddle;
2561
2562   int joystick_fd = joystick.fd[player_nr];
2563   int x, y, last_x, last_y, xpos = 8, ypos = 3;
2564   boolean check[3][3];
2565   int check_remaining = 3 * 3;
2566   int joy_x, joy_y;
2567   int joy_value;
2568   int result = -1;
2569
2570   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
2571     return FALSE;
2572
2573   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
2574     return FALSE;
2575
2576   ClearWindow();
2577
2578   for(y=0; y < 3; y++)
2579   {
2580     for(x=0; x < 3; x++)
2581     {
2582       DrawGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
2583       check[x][y] = FALSE;
2584     }
2585   }
2586
2587   DrawText(mSX,      mSY +  6 * 32, " ROTATE JOYSTICK ", FONT_TITLE_1);
2588   DrawText(mSX,      mSY +  7 * 32, "IN ALL DIRECTIONS", FONT_TITLE_1);
2589   DrawText(mSX + 16, mSY +  9 * 32, "  IF ALL BALLS  ",  FONT_TITLE_1);
2590   DrawText(mSX,      mSY + 10 * 32, "   ARE YELLOW,   ", FONT_TITLE_1);
2591   DrawText(mSX,      mSY + 11 * 32, " CENTER JOYSTICK ", FONT_TITLE_1);
2592   DrawText(mSX,      mSY + 12 * 32, "       AND       ", FONT_TITLE_1);
2593   DrawText(mSX,      mSY + 13 * 32, "PRESS ANY BUTTON!", FONT_TITLE_1);
2594
2595   joy_value = Joystick(player_nr);
2596   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2597   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2598
2599   /* eventually uncalibrated center position (joystick could be uncentered) */
2600   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2601     return FALSE;
2602
2603   new_joystick_xmiddle = joy_x;
2604   new_joystick_ymiddle = joy_y;
2605
2606   DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
2607   BackToFront();
2608
2609   while(Joystick(player_nr) & JOY_BUTTON);      /* wait for released button */
2610   InitAnimation();
2611
2612   while(result < 0)
2613   {
2614     if (PendingEvent())         /* got event */
2615     {
2616       Event event;
2617
2618       NextEvent(&event);
2619
2620       switch(event.type)
2621       {
2622         case EVENT_KEYPRESS:
2623           switch(GetEventKey((KeyEvent *)&event, TRUE))
2624           {
2625             case KSYM_Return:
2626               if (check_remaining == 0)
2627                 result = 1;
2628               break;
2629
2630             case KSYM_Escape:
2631               result = 0;
2632               break;
2633
2634             default:
2635               break;
2636           }
2637           break;
2638
2639         case EVENT_KEYRELEASE:
2640           key_joystick_mapping = 0;
2641           break;
2642
2643         default:
2644           HandleOtherEvents(&event);
2645           break;
2646       }
2647     }
2648
2649     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2650       return FALSE;
2651
2652     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
2653     new_joystick_xright = MAX(new_joystick_xright, joy_x);
2654     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
2655     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
2656
2657     setup.input[player_nr].joy.xleft = new_joystick_xleft;
2658     setup.input[player_nr].joy.yupper = new_joystick_yupper;
2659     setup.input[player_nr].joy.xright = new_joystick_xright;
2660     setup.input[player_nr].joy.ylower = new_joystick_ylower;
2661     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
2662     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
2663
2664     CheckJoystickData();
2665
2666     joy_value = Joystick(player_nr);
2667
2668     if (joy_value & JOY_BUTTON && check_remaining == 0)
2669       result = 1;
2670
2671     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
2672     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
2673
2674     if (x != last_x || y != last_y)
2675     {
2676       DrawGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_YELLOW, 0);
2677       DrawGraphic(xpos + x,      ypos + y,      IMG_MENU_CALIBRATE_RED,    0);
2678
2679       last_x = x;
2680       last_y = y;
2681
2682       if (check_remaining > 0 && !check[x+1][y+1])
2683       {
2684         check[x+1][y+1] = TRUE;
2685         check_remaining--;
2686       }
2687
2688 #if 0
2689 #ifdef DEBUG
2690       printf("LEFT / MIDDLE / RIGHT == %d / %d / %d\n",
2691              setup.input[player_nr].joy.xleft,
2692              setup.input[player_nr].joy.xmiddle,
2693              setup.input[player_nr].joy.xright);
2694       printf("UP / MIDDLE / DOWN == %d / %d / %d\n",
2695              setup.input[player_nr].joy.yupper,
2696              setup.input[player_nr].joy.ymiddle,
2697              setup.input[player_nr].joy.ylower);
2698 #endif
2699 #endif
2700
2701     }
2702
2703     DoAnimation();
2704     BackToFront();
2705
2706     /* don't eat all CPU time */
2707     Delay(10);
2708   }
2709
2710   /* calibrated center position (joystick should now be centered) */
2711   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
2712     return FALSE;
2713
2714   new_joystick_xmiddle = joy_x;
2715   new_joystick_ymiddle = joy_y;
2716
2717   StopAnimation();
2718
2719   DrawSetupScreen_Input();
2720
2721   /* wait until the last pressed button was released */
2722   while (Joystick(player_nr) & JOY_BUTTON)
2723   {
2724     if (PendingEvent())         /* got event */
2725     {
2726       Event event;
2727
2728       NextEvent(&event);
2729       HandleOtherEvents(&event);
2730
2731       Delay(10);
2732     }
2733   }
2734
2735   return TRUE;
2736 }
2737
2738 void CalibrateJoystick(int player_nr)
2739 {
2740   if (!CalibrateJoystickMain(player_nr))
2741   {
2742     ClearWindow();
2743
2744     DrawText(mSX + 16, mSY + 6*32, "  JOYSTICK NOT  ",  FONT_TITLE_1);
2745     DrawText(mSX,      mSY + 7*32, "    AVAILABLE    ", FONT_TITLE_1);
2746     BackToFront();
2747     Delay(2000);        /* show error message for two seconds */
2748   }
2749 }
2750
2751 void DrawSetupScreen()
2752 {
2753   DeactivateJoystick();
2754
2755   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
2756
2757   if (setup_mode == SETUP_MODE_INPUT)
2758     DrawSetupScreen_Input();
2759   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2760     DrawChooseTree(&artwork.gfx_current);
2761   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2762     DrawChooseTree(&artwork.snd_current);
2763   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2764     DrawChooseTree(&artwork.mus_current);
2765   else
2766     DrawSetupScreen_Generic();
2767 }
2768
2769 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
2770 {
2771   if (setup_mode == SETUP_MODE_INPUT)
2772     HandleSetupScreen_Input(mx, my, dx, dy, button);
2773   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
2774     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
2775   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
2776     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
2777   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
2778     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
2779   else
2780     HandleSetupScreen_Generic(mx, my, dx, dy, button);
2781
2782   DoAnimation();
2783   BackToFront();
2784 }
2785
2786 void HandleGameActions()
2787 {
2788   if (game_status != GAME_MODE_PLAYING)
2789     return;
2790
2791   if (local_player->LevelSolved)
2792     GameWon();
2793
2794   if (AllPlayersGone && !TAPE_IS_STOPPED(tape))
2795     TapeStop();
2796
2797   GameActions();
2798
2799   BackToFront();
2800
2801 #if 1
2802   if (tape.auto_play && !tape.playing)
2803     AutoPlayTape();     /* continue automatically playing next tape */
2804 #endif
2805 }
2806
2807 /* ---------- new screen button stuff -------------------------------------- */
2808
2809 /* graphic position and size values for buttons and scrollbars */
2810 #define SC_SCROLLBUTTON_XSIZE           TILEX
2811 #define SC_SCROLLBUTTON_YSIZE           TILEY
2812
2813 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
2814 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
2815                                          SC_SCROLLBUTTON_YSIZE)
2816 #define SC_SCROLL_UP_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
2817 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
2818 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLL_UP_XPOS
2819 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
2820                                          SC_SCROLLBUTTON_YSIZE)
2821 #define SC_SCROLL_DOWN_XPOS             SC_SCROLL_UP_XPOS
2822 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
2823                                          SC_SCROLL_VERTICAL_YSIZE)
2824
2825 #define SC_BORDER_SIZE                  14
2826
2827 static struct
2828 {
2829   int gfx_unpressed, gfx_pressed;
2830   int x, y;
2831   int gadget_id;
2832   char *infotext;
2833 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
2834 {
2835   {
2836     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
2837     SC_SCROLL_UP_XPOS, SC_SCROLL_UP_YPOS,
2838     SCREEN_CTRL_ID_SCROLL_UP,
2839     "scroll up"
2840   },
2841   {
2842     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
2843     SC_SCROLL_DOWN_XPOS, SC_SCROLL_DOWN_YPOS,
2844     SCREEN_CTRL_ID_SCROLL_DOWN,
2845     "scroll down"
2846   }
2847 };
2848
2849 static struct
2850 {
2851 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2852   Bitmap **gfx_unpressed, **gfx_pressed;
2853 #else
2854   int gfx_unpressed, gfx_pressed;
2855 #endif
2856   int x, y;
2857   int width, height;
2858   int type;
2859   int gadget_id;
2860   char *infotext;
2861 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
2862 {
2863   {
2864 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2865     &scrollbar_bitmap[0], &scrollbar_bitmap[1],
2866 #else
2867     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
2868 #endif
2869     SC_SCROLL_VERTICAL_XPOS, SC_SCROLL_VERTICAL_YPOS,
2870     SC_SCROLL_VERTICAL_XSIZE, SC_SCROLL_VERTICAL_YSIZE,
2871     GD_TYPE_SCROLLBAR_VERTICAL,
2872     SCREEN_CTRL_ID_SCROLL_VERTICAL,
2873     "scroll level series vertically"
2874   }
2875 };
2876
2877 static void CreateScreenScrollbuttons()
2878 {
2879   struct GadgetInfo *gi;
2880   unsigned long event_mask;
2881   int i;
2882
2883   for (i=0; i<NUM_SCREEN_SCROLLBUTTONS; i++)
2884   {
2885     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2886     int gfx_unpressed, gfx_pressed;
2887     int x, y, width, height;
2888     int gd_x1, gd_x2, gd_y1, gd_y2;
2889     int id = scrollbutton_info[i].gadget_id;
2890
2891     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2892
2893     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
2894     y = mSY + scrollbutton_info[i].y;
2895     width = SC_SCROLLBUTTON_XSIZE;
2896     height = SC_SCROLLBUTTON_YSIZE;
2897
2898     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
2899       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
2900                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
2901
2902     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
2903     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
2904     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2905     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2906     gd_x1 = graphic_info[gfx_unpressed].src_x;
2907     gd_y1 = graphic_info[gfx_unpressed].src_y;
2908     gd_x2 = graphic_info[gfx_pressed].src_x;
2909     gd_y2 = graphic_info[gfx_pressed].src_y;
2910
2911     gi = CreateGadget(GDI_CUSTOM_ID, id,
2912                       GDI_CUSTOM_TYPE_ID, i,
2913                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2914                       GDI_X, x,
2915                       GDI_Y, y,
2916                       GDI_WIDTH, width,
2917                       GDI_HEIGHT, height,
2918                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2919                       GDI_STATE, GD_BUTTON_UNPRESSED,
2920                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2921                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2922                       GDI_DIRECT_DRAW, FALSE,
2923                       GDI_EVENT_MASK, event_mask,
2924                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
2925                       GDI_END);
2926
2927     if (gi == NULL)
2928       Error(ERR_EXIT, "cannot create gadget");
2929
2930     screen_gadget[id] = gi;
2931   }
2932 }
2933
2934 static void CreateScreenScrollbars()
2935 {
2936   int i;
2937
2938   for (i=0; i<NUM_SCREEN_SCROLLBARS; i++)
2939   {
2940     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
2941 #if !defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2942     int gfx_unpressed, gfx_pressed;
2943 #endif
2944     int x, y, width, height;
2945     int gd_x1, gd_x2, gd_y1, gd_y2;
2946     struct GadgetInfo *gi;
2947     int items_max, items_visible, item_position;
2948     unsigned long event_mask;
2949     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
2950     int id = scrollbar_info[i].gadget_id;
2951
2952     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2953
2954     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
2955     y = mSY + scrollbar_info[i].y;
2956     width  = scrollbar_info[i].width;
2957     height = scrollbar_info[i].height;
2958
2959     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
2960       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
2961
2962     items_max = num_page_entries;
2963     items_visible = num_page_entries;
2964     item_position = 0;
2965
2966 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
2967     gd_bitmap_unpressed = *scrollbar_info[i].gfx_unpressed;
2968     gd_bitmap_pressed   = *scrollbar_info[i].gfx_pressed;
2969     gd_x1 = 0;
2970     gd_y1 = 0;
2971     gd_x2 = 0;
2972     gd_y2 = 0;
2973 #else
2974     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
2975     gfx_pressed   = scrollbar_info[i].gfx_pressed;
2976     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
2977     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
2978     gd_x1 = graphic_info[gfx_unpressed].src_x;
2979     gd_y1 = graphic_info[gfx_unpressed].src_y;
2980     gd_x2 = graphic_info[gfx_pressed].src_x;
2981     gd_y2 = graphic_info[gfx_pressed].src_y;
2982 #endif
2983
2984     gi = CreateGadget(GDI_CUSTOM_ID, id,
2985                       GDI_CUSTOM_TYPE_ID, i,
2986                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2987                       GDI_X, x,
2988                       GDI_Y, y,
2989                       GDI_WIDTH, width,
2990                       GDI_HEIGHT, height,
2991                       GDI_TYPE, scrollbar_info[i].type,
2992                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2993                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2994                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2995                       GDI_STATE, GD_BUTTON_UNPRESSED,
2996                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
2997                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
2998                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
2999                       GDI_DIRECT_DRAW, FALSE,
3000                       GDI_EVENT_MASK, event_mask,
3001                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
3002                       GDI_END);
3003
3004     if (gi == NULL)
3005       Error(ERR_EXIT, "cannot create gadget");
3006
3007     screen_gadget[id] = gi;
3008   }
3009 }
3010
3011 void CreateScreenGadgets()
3012 {
3013   int last_game_status = game_status;   /* save current game status */
3014
3015 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3016   int i;
3017
3018   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3019   {
3020     scrollbar_bitmap[i] = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
3021
3022     /* copy pointers to clip mask and GC */
3023     scrollbar_bitmap[i]->clip_mask =
3024       graphic_info[IMG_MENU_SCROLLBAR + i].clip_mask;
3025     scrollbar_bitmap[i]->stored_clip_gc =
3026       graphic_info[IMG_MENU_SCROLLBAR + i].clip_gc;
3027
3028     BlitBitmap(graphic_info[IMG_MENU_SCROLLBAR + i].bitmap,
3029                scrollbar_bitmap[i],
3030                graphic_info[IMG_MENU_SCROLLBAR + i].src_x,
3031                graphic_info[IMG_MENU_SCROLLBAR + i].src_y,
3032                TILEX, TILEY, 0, 0);
3033   }
3034 #endif
3035
3036   /* force LEVELS draw offset for scrollbar / scrollbutton gadgets */
3037   game_status = GAME_MODE_LEVELS;
3038
3039   CreateScreenScrollbuttons();
3040   CreateScreenScrollbars();
3041
3042   game_status = last_game_status;       /* restore current game status */
3043 }
3044
3045 void FreeScreenGadgets()
3046 {
3047   int i;
3048
3049 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
3050   for (i=0; i < NUM_SCROLLBAR_BITMAPS; i++)
3051   {
3052     /* prevent freeing clip mask and GC twice */
3053     scrollbar_bitmap[i]->clip_mask = None;
3054     scrollbar_bitmap[i]->stored_clip_gc = None;
3055
3056     FreeBitmap(scrollbar_bitmap[i]);
3057   }
3058 #endif
3059
3060   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3061     FreeGadget(screen_gadget[i]);
3062 }
3063
3064 void MapChooseTreeGadgets(TreeInfo *ti)
3065 {
3066   int num_entries = numTreeInfoInGroup(ti);
3067   int i;
3068
3069   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3070     return;
3071
3072   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3073     MapGadget(screen_gadget[i]);
3074 }
3075
3076 void UnmapChooseTreeGadgets()
3077 {
3078   int i;
3079
3080   for (i=0; i<NUM_SCREEN_GADGETS; i++)
3081     UnmapGadget(screen_gadget[i]);
3082 }
3083
3084 static void HandleScreenGadgets(struct GadgetInfo *gi)
3085 {
3086   int id = gi->custom_id;
3087
3088   if (game_status != GAME_MODE_LEVELS && game_status != GAME_MODE_SETUP)
3089     return;
3090
3091   switch (id)
3092   {
3093     case SCREEN_CTRL_ID_SCROLL_UP:
3094       if (game_status == GAME_MODE_LEVELS)
3095         HandleChooseLevel(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3096       else if (game_status == GAME_MODE_SETUP)
3097         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
3098       break;
3099
3100     case SCREEN_CTRL_ID_SCROLL_DOWN:
3101       if (game_status == GAME_MODE_LEVELS)
3102         HandleChooseLevel(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3103       else if (game_status == GAME_MODE_SETUP)
3104         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
3105       break;
3106
3107     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
3108       if (game_status == GAME_MODE_LEVELS)
3109         HandleChooseLevel(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3110       else if (game_status == GAME_MODE_SETUP)
3111         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
3112       break;
3113
3114     default:
3115       break;
3116   }
3117 }