fixed cursor position on high score screen after leaving score info page
[rocksndiamonds.git] / src / screens.c
1 // ============================================================================
2 // Rocks'n'Diamonds - McDuffin Strikes Back!
3 // ----------------------------------------------------------------------------
4 // (c) 1995-2014 by Artsoft Entertainment
5 //                  Holger Schemel
6 //                  info@artsoft.org
7 //                  https://www.artsoft.org/
8 // ----------------------------------------------------------------------------
9 // screens.c
10 // ============================================================================
11
12 #include "libgame/libgame.h"
13
14 #include "screens.h"
15 #include "events.h"
16 #include "game.h"
17 #include "tools.h"
18 #include "editor.h"
19 #include "files.h"
20 #include "tape.h"
21 #include "anim.h"
22 #include "network.h"
23 #include "init.h"
24 #include "config.h"
25
26
27 #define DEBUG_JOYSTICKS         0
28
29
30 // screens on the info screen
31 #define INFO_MODE_MAIN                  0
32 #define INFO_MODE_TITLE                 1
33 #define INFO_MODE_ELEMENTS              2
34 #define INFO_MODE_MUSIC                 3
35 #define INFO_MODE_CREDITS               4
36 #define INFO_MODE_PROGRAM               5
37 #define INFO_MODE_VERSION               6
38 #define INFO_MODE_LEVELSET              7
39
40 #define MAX_INFO_MODES                  8
41
42 // screens on the setup screen
43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
44 // (should also match corresponding entries in src/conf_gfx.c)
45 #define SETUP_MODE_MAIN                 0
46 #define SETUP_MODE_GAME                 1
47 #define SETUP_MODE_ENGINES              2
48 #define SETUP_MODE_EDITOR               3
49 #define SETUP_MODE_GRAPHICS             4
50 #define SETUP_MODE_SOUND                5
51 #define SETUP_MODE_ARTWORK              6
52 #define SETUP_MODE_INPUT                7
53 #define SETUP_MODE_TOUCH                8
54 #define SETUP_MODE_SHORTCUTS            9
55 #define SETUP_MODE_SHORTCUTS_1          10
56 #define SETUP_MODE_SHORTCUTS_2          11
57 #define SETUP_MODE_SHORTCUTS_3          12
58 #define SETUP_MODE_SHORTCUTS_4          13
59 #define SETUP_MODE_SHORTCUTS_5          14
60
61 // sub-screens on the setup screen (generic)
62 #define SETUP_MODE_CHOOSE_ARTWORK       15
63 #define SETUP_MODE_CHOOSE_OTHER         16
64
65 // sub-screens on the setup screen (specific)
66 #define SETUP_MODE_CHOOSE_SCORES_TYPE   17
67 #define SETUP_MODE_CHOOSE_GAME_SPEED    18
68 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  19
69 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 20
70 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   21
71 #define SETUP_MODE_CHOOSE_SCALING_TYPE  22
72 #define SETUP_MODE_CHOOSE_RENDERING     23
73 #define SETUP_MODE_CHOOSE_VSYNC         24
74 #define SETUP_MODE_CHOOSE_GRAPHICS      25
75 #define SETUP_MODE_CHOOSE_SOUNDS        26
76 #define SETUP_MODE_CHOOSE_MUSIC         27
77 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 28
78 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  29
79 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  30
80 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 31
81 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 32
82 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 33
83 #define SETUP_MODE_CHOOSE_TRANSPARENCY  34
84 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  35
85 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  36
86 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  37
87 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  38
88 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  39
89
90 #define MAX_SETUP_MODES                 40
91
92 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
93
94 // setup screen titles
95 #define STR_SETUP_MAIN                  "Setup"
96 #define STR_SETUP_GAME                  "Game & Menu"
97 #define STR_SETUP_ENGINES               "Game Engines"
98 #define STR_SETUP_EDITOR                "Editor"
99 #define STR_SETUP_GRAPHICS              "Graphics"
100 #define STR_SETUP_SOUND                 "Sound & Music"
101 #define STR_SETUP_ARTWORK               "Custom Artwork"
102 #define STR_SETUP_INPUT                 "Input Devices"
103 #define STR_SETUP_TOUCH                 "Touch Controls"
104 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
105 #define STR_SETUP_EXIT                  "Exit"
106 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
107
108 #define STR_SETUP_CHOOSE_SCORES_TYPE    "Scores Type"
109 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
110 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
111 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
112 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
113 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
114 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
115 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
116 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
117 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
118 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
119 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
120 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
121 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
122 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
123 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
124 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
125 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
126 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
127
128 // other screen text constants
129 #define STR_CHOOSE_TREE_EDIT            "Edit"
130 #define MENU_CHOOSE_TREE_FONT(x)        (FONT_TEXT_1 + (x))
131 #define MENU_CHOOSE_TREE_COLOR(ti, a)   TREE_COLOR(ti, a)
132
133 // for input setup functions
134 #define SETUPINPUT_SCREEN_POS_START     0
135 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
136 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
137 #define SETUPINPUT_SCREEN_POS_END       13
138
139 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
140 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
141
142 #define MAX_SETUP_TEXT_INPUT_LEN        28
143
144 // for various menu stuff
145 #define MENU_SCREEN_START_XPOS          1
146 #define MENU_SCREEN_START_YPOS          2
147 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
148 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
149 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
150 #define MENU_TITLE1_YPOS                8
151 #define MENU_TITLE2_YPOS                46
152 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
153 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
154 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
155 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
156 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
157 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
158 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
159 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
160 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
161 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
162 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
163                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
164                                                          MENU_INFO_FONT_TITLE))
165 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
166 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
167 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
168                                          MENU_SCREEN_INFO_YSTART2 -     \
169                                          TILEY / 2)
170 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
171 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
172                                          MENU_SCREEN_INFO_YSTEP)
173 #define NUM_INFO_ELEMENTS_FROM_CONF     \
174   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
175    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
176    MAX_MENU_ENTRIES_ON_SCREEN)
177 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
178                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
179                                             NUM_INFO_ELEMENTS_FROM_CONF)
180 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
181 #define MAX_MENU_TEXT_LENGTH_BIG        13
182 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
183
184 // screen gadget identifiers
185 #define SCREEN_CTRL_ID_PREV_LEVEL       0
186 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
187 #define SCREEN_CTRL_ID_PREV_LEVEL2      2
188 #define SCREEN_CTRL_ID_NEXT_LEVEL2      3
189 #define SCREEN_CTRL_ID_PREV_SCORE       4
190 #define SCREEN_CTRL_ID_NEXT_SCORE       5
191 #define SCREEN_CTRL_ID_FIRST_LEVEL      6
192 #define SCREEN_CTRL_ID_LAST_LEVEL       7
193 #define SCREEN_CTRL_ID_LEVEL_NUMBER     8
194 #define SCREEN_CTRL_ID_PREV_PLAYER      9
195 #define SCREEN_CTRL_ID_NEXT_PLAYER      10
196 #define SCREEN_CTRL_ID_INSERT_SOLUTION  11
197 #define SCREEN_CTRL_ID_PLAY_SOLUTION    12
198 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   13
199 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  14
200 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  15
201 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 16
202 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 17
203
204 #define NUM_SCREEN_MENUBUTTONS          18
205
206 #define SCREEN_CTRL_ID_SCROLL_UP        18
207 #define SCREEN_CTRL_ID_SCROLL_DOWN      19
208 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  20
209 #define SCREEN_CTRL_ID_NETWORK_SERVER   21
210
211 #define NUM_SCREEN_GADGETS              22
212
213 #define NUM_SCREEN_SCROLLBUTTONS        2
214 #define NUM_SCREEN_SCROLLBARS           1
215 #define NUM_SCREEN_TEXTINPUT            1
216
217 #define SCREEN_MASK_MAIN                (1 << 0)
218 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
219 #define SCREEN_MASK_INPUT               (1 << 2)
220 #define SCREEN_MASK_TOUCH               (1 << 3)
221 #define SCREEN_MASK_TOUCH2              (1 << 4)
222 #define SCREEN_MASK_SCORES              (1 << 5)
223 #define SCREEN_MASK_SCORES_INFO         (1 << 6)
224
225 // graphic position and size values for buttons and scrollbars
226 #define SC_MENUBUTTON_XSIZE             TILEX
227 #define SC_MENUBUTTON_YSIZE             TILEY
228
229 #define SC_SCROLLBUTTON_XSIZE           TILEX
230 #define SC_SCROLLBUTTON_YSIZE           TILEY
231
232 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
233
234 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
235 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
236                                          SC_SCROLLBUTTON_YSIZE)
237
238 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
239 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
240
241 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
242 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
243                                          SC_SCROLLBUTTON_YSIZE)
244
245 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
246 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
247                                          SC_SCROLL_VERTICAL_YSIZE)
248
249 #define SC_BORDER_SIZE                  14
250
251
252 // forward declarations of internal functions
253 static void HandleScreenGadgets(struct GadgetInfo *);
254 static void HandleSetupScreen_Generic(int, int, int, int, int);
255 static void HandleSetupScreen_Input(int, int, int, int, int);
256 static void CustomizeKeyboard(int);
257 static void ConfigureJoystick(int);
258 static void ConfigureVirtualButtons(void);
259 static void execSetupGame(void);
260 static void execSetupEngines(void);
261 static void execSetupGraphics(void);
262 static void execSetupSound(void);
263 static void execSetupTouch(void);
264 static void execSetupArtwork(void);
265 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
266
267 static void DrawChoosePlayerName(void);
268 static void DrawChooseLevelSet(void);
269 static void DrawChooseLevelNr(void);
270 static void DrawScoreInfo(int);
271 static void DrawScoreInfo_Content(int);
272 static void DrawInfoScreen(void);
273 static void DrawSetupScreen(void);
274 static void DrawTypeName(void);
275
276 static void DrawInfoScreen_NotAvailable(char *, char *);
277 static void DrawInfoScreen_HelpAnim(int, int, boolean);
278 static void DrawInfoScreen_HelpText(int, int, int, int);
279 static void HandleInfoScreen_Main(int, int, int, int, int);
280 static void HandleInfoScreen_TitleScreen(int);
281 static void HandleInfoScreen_Elements(int);
282 static void HandleInfoScreen_Music(int);
283 static void HandleInfoScreen_Credits(int);
284 static void HandleInfoScreen_Program(int);
285 static void HandleInfoScreen_Version(int);
286
287 static void ModifyGameSpeedIfNeeded(void);
288 static void DisableVsyncIfNeeded(void);
289
290 static void RedrawScreenMenuGadgets(int);
291 static void MapScreenMenuGadgets(int);
292 static void UnmapScreenMenuGadgets(int);
293 static void MapScreenGadgets(int);
294 static void UnmapScreenGadgets(void);
295 static void MapScreenTreeGadgets(TreeInfo *);
296 static void UnmapScreenTreeGadgets(void);
297
298 static void UpdateScreenMenuGadgets(int, boolean);
299 static void AdjustScoreInfoButtons(int, int, int);
300
301 static boolean OfferUploadTapes(void);
302 static void execOfferUploadTapes(void);
303
304 static void DrawHallOfFame_setScoreEntries(void);
305 static void HandleHallOfFame_SelectLevel(int, int);
306 static char *getHallOfFameRankText(int, int);
307 static char *getHallOfFameScoreText(int, int);
308
309 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
310
311 static int info_mode = INFO_MODE_MAIN;
312 static int setup_mode = SETUP_MODE_MAIN;
313
314 static TreeInfo *window_sizes = NULL;
315 static TreeInfo *window_size_current = NULL;
316
317 static TreeInfo *scaling_types = NULL;
318 static TreeInfo *scaling_type_current = NULL;
319
320 static TreeInfo *rendering_modes = NULL;
321 static TreeInfo *rendering_mode_current = NULL;
322
323 static TreeInfo *vsync_modes = NULL;
324 static TreeInfo *vsync_mode_current = NULL;
325
326 static TreeInfo *scroll_delays = NULL;
327 static TreeInfo *scroll_delay_current = NULL;
328
329 static TreeInfo *snapshot_modes = NULL;
330 static TreeInfo *snapshot_mode_current = NULL;
331
332 static TreeInfo *scores_types = NULL;
333 static TreeInfo *scores_type_current = NULL;
334
335 static TreeInfo *game_speeds_normal = NULL;
336 static TreeInfo *game_speeds_extended = NULL;
337 static TreeInfo *game_speeds = NULL;
338 static TreeInfo *game_speed_current = NULL;
339
340 static TreeInfo *volumes_simple = NULL;
341 static TreeInfo *volume_simple_current = NULL;
342
343 static TreeInfo *volumes_loops = NULL;
344 static TreeInfo *volume_loops_current = NULL;
345
346 static TreeInfo *volumes_music = NULL;
347 static TreeInfo *volume_music_current = NULL;
348
349 static TreeInfo *touch_controls = NULL;
350 static TreeInfo *touch_control_current = NULL;
351
352 static TreeInfo *move_distances = NULL;
353 static TreeInfo *move_distance_current = NULL;
354
355 static TreeInfo *drop_distances = NULL;
356 static TreeInfo *drop_distance_current = NULL;
357
358 static TreeInfo *transparencies = NULL;
359 static TreeInfo *transparency_current = NULL;
360
361 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
362 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
363
364 static TreeInfo *player_name = NULL;
365 static TreeInfo *player_name_current = NULL;
366
367 static TreeInfo *level_number = NULL;
368 static TreeInfo *level_number_current = NULL;
369
370 static TreeInfo *score_entries = NULL;
371 static TreeInfo *score_entry_current = NULL;
372
373 static struct ValueTextInfo window_sizes_list[] =
374 {
375   {     50,     "50 %"                          },
376   {     80,     "80 %"                          },
377   {     90,     "90 %"                          },
378   {     100,    "100 % (Default)"               },
379   {     110,    "110 %"                         },
380   {     120,    "120 %"                         },
381   {     130,    "130 %"                         },
382   {     140,    "140 %"                         },
383   {     150,    "150 %"                         },
384   {     200,    "200 %"                         },
385   {     250,    "250 %"                         },
386   {     300,    "300 %"                         },
387
388   {     -1,     NULL                            },
389 };
390
391 static struct StringValueTextInfo scaling_types_list[] =
392 {
393   {     SCALING_QUALITY_NEAREST, "Off"          },
394   {     SCALING_QUALITY_LINEAR,  "Linear"       },
395   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
396
397   {     NULL,                    NULL           },
398 };
399
400 static struct StringValueTextInfo rendering_modes_list[] =
401 {
402   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
403   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
404 #if DEBUG
405   // this mode may work under certain conditions, but does not work on Windows
406   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
407 #endif
408   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
409
410   {     NULL,                            NULL                            },
411 };
412
413 static struct StringValueTextInfo vsync_modes_list[] =
414 {
415   {     STR_VSYNC_MODE_OFF,             "Off"           },
416   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
417   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
418
419   {     NULL,                            NULL           },
420 };
421
422 static struct StringValueTextInfo scores_types_list[] =
423 {
424   {     STR_SCORES_TYPE_LOCAL_ONLY,         "Local scores only"         },
425   {     STR_SCORES_TYPE_SERVER_ONLY,        "Server scores only"        },
426   {     STR_SCORES_TYPE_LOCAL_AND_SERVER,   "Local and server scores"   },
427
428   {     NULL,                           NULL            },
429 };
430
431 static struct ValueTextInfo game_speeds_list_normal[] =
432 {
433   {     30,     "Very Slow"                     },
434   {     25,     "Slow"                          },
435   {     20,     "Normal"                        },
436   {     15,     "Fast"                          },
437   {     10,     "Very Fast"                     },
438
439   {     -1,     NULL                            },
440 };
441
442 static struct ValueTextInfo game_speeds_list_extended[] =
443 {
444   {     1000,   "1 fps (Extremely Slow)"        },
445   {     500,    "2 fps"                         },
446   {     200,    "5 fps"                         },
447   {     100,    "10 fps"                        },
448   {     50,     "20 fps"                        },
449   {     29,     "35 fps (Original Supaplex)"    },
450   {     25,     "40 fps"                        },
451   {     20,     "50 fps (=== Normal Speed ===)" },
452   {     16,     "60 fps (60 Hz VSync Speed)"    },
453   {     14,     "70 fps (Maximum Supaplex)"     },
454   {     10,     "100 fps"                       },
455   {     5,      "200 fps"                       },
456   {     2,      "500 fps"                       },
457   {     1,      "1000 fps (Extremely Fast)"     },
458
459   {     -1,     NULL                            },
460 };
461
462 static struct ValueTextInfo *game_speeds_list;
463
464 static struct ValueTextInfo scroll_delays_list[] =
465 {
466   {     0,      "0 Tiles (No Scroll Delay)"     },
467   {     1,      "1 Tile"                        },
468   {     2,      "2 Tiles"                       },
469   {     3,      "3 Tiles (Default)"             },
470   {     4,      "4 Tiles"                       },
471   {     5,      "5 Tiles"                       },
472   {     6,      "6 Tiles"                       },
473   {     7,      "7 Tiles"                       },
474   {     8,      "8 Tiles (Maximum Scroll Delay)"},
475
476   {     -1,     NULL                            },
477 };
478
479 static struct StringValueTextInfo snapshot_modes_list[] =
480 {
481   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
482   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
483   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
484   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
485
486   {     NULL,                                   NULL            },
487 };
488
489 static struct ValueTextInfo volumes_list[] =
490 {
491   {     0,      "0 %"                           },
492   {     1,      "1 %"                           },
493   {     2,      "2 %"                           },
494   {     5,      "5 %"                           },
495   {     10,     "10 %"                          },
496   {     20,     "20 %"                          },
497   {     30,     "30 %"                          },
498   {     40,     "40 %"                          },
499   {     50,     "50 %"                          },
500   {     60,     "60 %"                          },
501   {     70,     "70 %"                          },
502   {     80,     "80 %"                          },
503   {     90,     "90 %"                          },
504   {     100,    "100 %"                         },
505
506   {     -1,     NULL                            },
507 };
508
509 static struct StringValueTextInfo touch_controls_list[] =
510 {
511   {     TOUCH_CONTROL_OFF,              "Off"                   },
512   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
513   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
514   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
515
516   {     NULL,                           NULL                    },
517 };
518
519 static struct ValueTextInfo distances_list[] =
520 {
521   {     1,      "1 %"                           },
522   {     2,      "2 %"                           },
523   {     3,      "3 %"                           },
524   {     4,      "4 %"                           },
525   {     5,      "5 %"                           },
526   {     10,     "10 %"                          },
527   {     15,     "15 %"                          },
528   {     20,     "20 %"                          },
529   {     25,     "25 %"                          },
530
531   {     -1,     NULL                            },
532 };
533
534 static struct ValueTextInfo transparencies_list[] =
535 {
536   {     0,      "0 % (Opaque)"                  },
537   {     10,     "10 %"                          },
538   {     20,     "20 %"                          },
539   {     30,     "30 %"                          },
540   {     40,     "40 %"                          },
541   {     50,     "50 %"                          },
542   {     60,     "60 %"                          },
543   {     70,     "70 %"                          },
544   {     80,     "80 %"                          },
545   {     90,     "90 %"                          },
546   {     100,    "100 % (Invisible)"             },
547
548   {     -1,     NULL                            },
549 };
550
551 static struct ValueTextInfo grid_sizes_list[] =
552 {
553   {     3,      "3"                             },
554   {     4,      "4"                             },
555   {     5,      "5"                             },
556   {     6,      "6"                             },
557   {     7,      "7"                             },
558   {     8,      "8"                             },
559   {     9,      "9"                             },
560   {     10,     "10"                            },
561   {     11,     "11"                            },
562   {     12,     "12"                            },
563   {     13,     "13"                            },
564   {     14,     "14"                            },
565   {     15,     "15"                            },
566   {     16,     "16"                            },
567   {     17,     "17"                            },
568   {     18,     "18"                            },
569   {     19,     "19"                            },
570   {     20,     "20"                            },
571   {     21,     "21"                            },
572   {     22,     "22"                            },
573   {     23,     "23"                            },
574   {     24,     "24"                            },
575   {     25,     "25"                            },
576   {     26,     "26"                            },
577   {     27,     "27"                            },
578   {     28,     "28"                            },
579   {     29,     "29"                            },
580   {     30,     "30"                            },
581   {     31,     "31"                            },
582   {     32,     "32"                            },
583
584   {     -1,     NULL                            },
585 };
586
587 static int align_xoffset = 0;
588 static int align_yoffset = 0;
589
590 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
591                                  (s) <= GAME_MODE_SETUP ? (s) :         \
592                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
593                                  GAME_MODE_MAIN :                       \
594                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
595                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
596
597 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
598 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
599                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
600                                  INFO_MODE_MAIN)
601
602 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
603                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
604                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
605                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
606                                  SETUP_MODE_CHOOSE_ARTWORK :            \
607                                  SETUP_MODE_CHOOSE_OTHER)
608
609 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
610                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
611                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
612 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
613                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
614                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
615 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
616                                  menu.extra_spacing[GAME_MODE_INFO] :   \
617                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
618
619 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
620                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
621                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
622 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
623                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
624                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
625 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
626                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
627                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
628
629 #define EXTRA_SPACING_SCORES(i) (EXTRA_SPACING_INFO(i))
630
631 #define EXTRA_SPACING_SCOREINFO(i) (menu.extra_spacing[GAME_MODE_SCOREINFO])
632
633 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
634                                  DRAW_XOFFSET_INFO(info_mode) :         \
635                                  (s) == GAME_MODE_SETUP ?               \
636                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
637                                  menu.draw_xoffset[DRAW_MODE(s)])
638 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
639                                  DRAW_YOFFSET_INFO(info_mode) :         \
640                                  (s) == GAME_MODE_SETUP ?               \
641                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
642                                  menu.draw_yoffset[DRAW_MODE(s)])
643 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
644                                  EXTRA_SPACING_INFO(info_mode) :        \
645                                  (s) == GAME_MODE_SETUP ?               \
646                                  EXTRA_SPACING_SETUP(setup_mode) :      \
647                                  (s) == GAME_MODE_SCORES ?              \
648                                  EXTRA_SPACING_SCORES(info_mode) :      \
649                                  menu.extra_spacing[DRAW_MODE(s)])
650
651 #define mSX                     (SX + DRAW_XOFFSET(game_status))
652 #define mSY                     (SY + DRAW_YOFFSET(game_status))
653
654 #define amSX                    (mSX + align_xoffset)
655 #define amSY                    (mSY + align_yoffset)
656
657 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
658                                     menu.list_size[game_status] :       \
659                                     MAX_MENU_ENTRIES_ON_SCREEN)
660
661 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
662                                          NUM_MENU_ENTRIES_ON_SCREEN)
663
664
665 // title display and control definitions
666
667 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
668                                  2 * MAX_NUM_TITLE_MESSAGES)
669
670 #define NO_DIRECT_LEVEL_SELECT  (-1)
671
672
673 static int num_title_screens = 0;
674
675 struct TitleControlInfo
676 {
677   boolean is_image;
678   boolean initial;
679   boolean first;
680   int local_nr;
681   int sort_priority;
682 };
683
684 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
685
686 // main menu display and control definitions
687
688 #define MAIN_CONTROL_NAME                       0
689 #define MAIN_CONTROL_LEVELS                     1
690 #define MAIN_CONTROL_SCORES                     2
691 #define MAIN_CONTROL_EDITOR                     3
692 #define MAIN_CONTROL_INFO                       4
693 #define MAIN_CONTROL_GAME                       5
694 #define MAIN_CONTROL_SETUP                      6
695 #define MAIN_CONTROL_QUIT                       7
696 #define MAIN_CONTROL_PREV_LEVEL                 8
697 #define MAIN_CONTROL_NEXT_LEVEL                 9
698 #define MAIN_CONTROL_FIRST_LEVEL                10
699 #define MAIN_CONTROL_LAST_LEVEL                 11
700 #define MAIN_CONTROL_LEVEL_NUMBER               12
701 #define MAIN_CONTROL_LEVEL_INFO_1               13
702 #define MAIN_CONTROL_LEVEL_INFO_2               14
703 #define MAIN_CONTROL_LEVEL_NAME                 15
704 #define MAIN_CONTROL_LEVEL_AUTHOR               16
705 #define MAIN_CONTROL_LEVEL_YEAR                 17
706 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
707 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
708 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
709 #define MAIN_CONTROL_TITLE_1                    21
710 #define MAIN_CONTROL_TITLE_2                    22
711 #define MAIN_CONTROL_TITLE_3                    23
712
713 static char str_main_text_name[10];
714 static char str_main_text_first_level[10];
715 static char str_main_text_last_level[10];
716 static char str_main_text_level_number[10];
717
718 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
719
720 static char *main_text_name                     = str_main_text_name;
721 static char *main_text_first_level              = str_main_text_first_level;
722 static char *main_text_last_level               = str_main_text_last_level;
723 static char *main_text_level_number             = str_main_text_level_number;
724 static char *main_text_levels                   = "Levelset";
725 static char *main_text_scores                   = "Hall Of Fame";
726 static char *main_text_editor                   = "Level Creator";
727 static char *main_text_info                     = "Info Screen";
728 static char *main_text_game                     = "Start Game";
729 static char *main_text_setup                    = "Setup";
730 static char *main_text_quit                     = "Quit";
731 static char *main_text_level_name               = level.name;
732 static char *main_text_level_author             = level.author;
733 static char *main_text_level_year               = NULL;
734 static char *main_text_level_imported_from      = NULL;
735 static char *main_text_level_imported_by        = NULL;
736 static char *main_text_level_tested_by          = NULL;
737 static char *main_text_title_1                  = NULL;
738 static char *main_text_title_2                  = NULL;
739 static char *main_text_title_3                  = NULL;
740
741 extern char debug_xsn_mode[];
742
743 struct MainControlInfo
744 {
745   int nr;
746
747   struct MenuPosInfo *pos_button;
748   int button_graphic;
749
750   struct TextPosInfo *pos_text;
751   char **text;
752
753   struct TextPosInfo *pos_input;
754   char **input;
755 };
756
757 static struct MainControlInfo main_controls[] =
758 {
759   {
760     MAIN_CONTROL_NAME,
761     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
762     &menu.main.text.name,               &main_text_name,
763     &menu.main.input.name,              &setup.player_name,
764   },
765   {
766     MAIN_CONTROL_LEVELS,
767     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
768     &menu.main.text.levels,             &main_text_levels,
769     NULL,                               NULL,
770   },
771   {
772     MAIN_CONTROL_SCORES,
773     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
774     &menu.main.text.scores,             &main_text_scores,
775     NULL,                               NULL,
776   },
777   {
778     MAIN_CONTROL_EDITOR,
779     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
780     &menu.main.text.editor,             &main_text_editor,
781     NULL,                               NULL,
782   },
783   {
784     MAIN_CONTROL_INFO,
785     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
786     &menu.main.text.info,               &main_text_info,
787     NULL,                               NULL,
788   },
789   {
790     MAIN_CONTROL_GAME,
791     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
792     &menu.main.text.game,               &main_text_game,
793     NULL,                               NULL,
794   },
795   {
796     MAIN_CONTROL_SETUP,
797     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
798     &menu.main.text.setup,              &main_text_setup,
799     NULL,                               NULL,
800   },
801   {
802     MAIN_CONTROL_QUIT,
803     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
804     &menu.main.text.quit,               &main_text_quit,
805     NULL,                               NULL,
806   },
807   {
808     MAIN_CONTROL_PREV_LEVEL,
809     NULL,                               -1,
810     NULL,                               NULL,
811     NULL,                               NULL,
812   },
813   {
814     MAIN_CONTROL_NEXT_LEVEL,
815     NULL,                               -1,
816     NULL,                               NULL,
817     NULL,                               NULL,
818   },
819   {
820     MAIN_CONTROL_FIRST_LEVEL,
821     NULL,                               -1,
822     &menu.main.text.first_level,        &main_text_first_level,
823     NULL,                               NULL,
824   },
825   {
826     MAIN_CONTROL_LAST_LEVEL,
827     NULL,                               -1,
828     &menu.main.text.last_level,         &main_text_last_level,
829     NULL,                               NULL,
830   },
831   {
832     MAIN_CONTROL_LEVEL_NUMBER,
833     NULL,                               -1,
834     &menu.main.text.level_number,       &main_text_level_number,
835     NULL,                               NULL,
836   },
837   {
838     MAIN_CONTROL_LEVEL_INFO_1,
839     NULL,                               -1,
840     &menu.main.text.level_info_1,       NULL,
841     NULL,                               NULL,
842   },
843   {
844     MAIN_CONTROL_LEVEL_INFO_2,
845     NULL,                               -1,
846     &menu.main.text.level_info_2,       NULL,
847     NULL,                               NULL,
848   },
849   {
850     MAIN_CONTROL_LEVEL_NAME,
851     NULL,                               -1,
852     &menu.main.text.level_name,         &main_text_level_name,
853     NULL,                               NULL,
854   },
855   {
856     MAIN_CONTROL_LEVEL_AUTHOR,
857     NULL,                               -1,
858     &menu.main.text.level_author,       &main_text_level_author,
859     NULL,                               NULL,
860   },
861   {
862     MAIN_CONTROL_LEVEL_YEAR,
863     NULL,                               -1,
864     &menu.main.text.level_year,         &main_text_level_year,
865     NULL,                               NULL,
866   },
867   {
868     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
869     NULL,                               -1,
870     &menu.main.text.level_imported_from, &main_text_level_imported_from,
871     NULL,                               NULL,
872   },
873   {
874     MAIN_CONTROL_LEVEL_IMPORTED_BY,
875     NULL,                               -1,
876     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
877     NULL,                               NULL,
878   },
879   {
880     MAIN_CONTROL_LEVEL_TESTED_BY,
881     NULL,                               -1,
882     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
883     NULL,                               NULL,
884   },
885   {
886     MAIN_CONTROL_TITLE_1,
887     NULL,                               -1,
888     &menu.main.text.title_1,            &main_text_title_1,
889     NULL,                               NULL,
890   },
891   {
892     MAIN_CONTROL_TITLE_2,
893     NULL,                               -1,
894     &menu.main.text.title_2,            &main_text_title_2,
895     NULL,                               NULL,
896   },
897   {
898     MAIN_CONTROL_TITLE_3,
899     NULL,                               -1,
900     &menu.main.text.title_3,            &main_text_title_3,
901     NULL,                               NULL,
902   },
903
904   {
905     -1,
906     NULL,                               -1,
907     NULL,                               NULL,
908     NULL,                               NULL,
909   }
910 };
911
912
913 static int getTitleScreenGraphic(int nr, boolean initial)
914 {
915   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
916 }
917
918 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
919 {
920   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
921 }
922
923 #if 0
924 static int getTitleScreenGameMode(boolean initial)
925 {
926   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
927 }
928 #endif
929
930 static int getTitleMessageGameMode(boolean initial)
931 {
932   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
933 }
934
935 static int getTitleAnimMode(struct TitleControlInfo *tci)
936 {
937   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
938
939   return base + tci->local_nr;
940 }
941
942 #if 0
943 static int getTitleScreenBackground(boolean initial)
944 {
945   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
946 }
947 #endif
948
949 #if 0
950 static int getTitleMessageBackground(int nr, boolean initial)
951 {
952   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
953 }
954 #endif
955
956 static int getTitleBackground(int nr, boolean initial, boolean is_image)
957 {
958   int base = (is_image ?
959               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
960                          IMG_BACKGROUND_TITLESCREEN_1) :
961               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
962                          IMG_BACKGROUND_TITLEMESSAGE_1));
963   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
964                                   IMG_BACKGROUND_TITLE);
965   int graphic_local = base + nr;
966
967   if (graphic_info[graphic_local].bitmap != NULL)
968     return graphic_local;
969
970   if (graphic_info[graphic_global].bitmap != NULL)
971     return graphic_global;
972
973   return IMG_UNDEFINED;
974 }
975
976 static int getTitleSound(struct TitleControlInfo *tci)
977 {
978   boolean is_image = tci->is_image;
979   int initial = tci->initial;
980   int nr = tci->local_nr;
981   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
982   int base = (is_image ?
983               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
984                          SND_BACKGROUND_TITLESCREEN_1) :
985               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
986                          SND_BACKGROUND_TITLEMESSAGE_1));
987   int sound_global = menu.sound[mode];
988   int sound_local = base + nr;
989
990 #if 0
991   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
992         nr, initial, is_image,
993         sound_global, getSoundListEntry(sound_global)->filename,
994         sound_local, getSoundListEntry(sound_local)->filename);
995 #endif
996
997   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
998     return sound_local;
999
1000   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
1001     return sound_global;
1002
1003   return SND_UNDEFINED;
1004 }
1005
1006 static int getTitleMusic(struct TitleControlInfo *tci)
1007 {
1008   boolean is_image = tci->is_image;
1009   int initial = tci->initial;
1010   int nr = tci->local_nr;
1011   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1012   int base = (is_image ?
1013               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
1014                          MUS_BACKGROUND_TITLESCREEN_1) :
1015               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1016                          MUS_BACKGROUND_TITLEMESSAGE_1));
1017   int music_global = menu.music[mode];
1018   int music_local = base + nr;
1019
1020 #if 0
1021   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
1022         nr, initial, is_image,
1023         music_global, getMusicListEntry(music_global)->filename,
1024         music_local, getMusicListEntry(music_local)->filename);
1025 #endif
1026
1027   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
1028     return music_local;
1029
1030   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
1031     return music_global;
1032
1033   return MUS_UNDEFINED;
1034 }
1035
1036 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
1037 {
1038   boolean is_image = tci->is_image;
1039   boolean initial = tci->initial;
1040   boolean first = tci->first;
1041   int nr = tci->local_nr;
1042   struct TitleMessageInfo tmi;
1043   struct TitleFadingInfo ti;
1044
1045   tmi = (is_image ? (initial ? (first ?
1046                                 titlescreen_initial_first[nr] :
1047                                 titlescreen_initial[nr])
1048                              : (first ?
1049                                 titlescreen_first[nr] :
1050                                 titlescreen[nr]))
1051                   : (initial ? (first ?
1052                                 titlemessage_initial_first[nr] :
1053                                 titlemessage_initial[nr])
1054                              : (first ?
1055                                 titlemessage_first[nr] :
1056                                 titlemessage[nr])));
1057
1058   ti.fade_mode  = tmi.fade_mode;
1059   ti.fade_delay = tmi.fade_delay;
1060   ti.post_delay = tmi.post_delay;
1061   ti.auto_delay = tmi.auto_delay;
1062   ti.auto_delay_unit = tmi.auto_delay_unit;
1063
1064   return ti;
1065 }
1066
1067 static int compareTitleControlInfo(const void *object1, const void *object2)
1068 {
1069   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1070   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1071   int compare_result;
1072
1073   if (tci1->initial != tci2->initial)
1074     compare_result = (tci1->initial ? -1 : +1);
1075   else if (tci1->sort_priority != tci2->sort_priority)
1076     compare_result = tci1->sort_priority - tci2->sort_priority;
1077   else if (tci1->is_image != tci2->is_image)
1078     compare_result = (tci1->is_image ? -1 : +1);
1079   else
1080     compare_result = tci1->local_nr - tci2->local_nr;
1081
1082   return compare_result;
1083 }
1084
1085 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1086                                                     boolean initial,
1087                                                     int nr, int sort_priority)
1088 {
1089   title_controls[num_title_screens].is_image = is_image;
1090   title_controls[num_title_screens].initial = initial;
1091   title_controls[num_title_screens].local_nr = nr;
1092   title_controls[num_title_screens].sort_priority = sort_priority;
1093
1094   title_controls[num_title_screens].first = FALSE;      // will be set later
1095
1096   num_title_screens++;
1097 }
1098
1099 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1100 {
1101   int i;
1102
1103   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1104   {
1105     int graphic = getTitleScreenGraphic(i, initial);
1106     Bitmap *bitmap = graphic_info[graphic].bitmap;
1107     int sort_priority = graphic_info[graphic].sort_priority;
1108
1109     if (bitmap != NULL)
1110       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1111   }
1112
1113   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1114   {
1115     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1116     char *filename = getLevelSetTitleMessageFilename(i, initial);
1117     int sort_priority = tmi->sort_priority;
1118
1119     if (filename != NULL)
1120       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1121   }
1122 }
1123
1124 static void InitializeTitleControls(boolean show_title_initial)
1125 {
1126   num_title_screens = 0;
1127
1128   // 1st step: initialize title screens for game start (only when starting)
1129   if (show_title_initial)
1130     InitializeTitleControls_CheckTitleInfo(TRUE);
1131
1132   // 2nd step: initialize title screens for current level set
1133   InitializeTitleControls_CheckTitleInfo(FALSE);
1134
1135   // sort title screens according to sort_priority and title number
1136   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1137         compareTitleControlInfo);
1138
1139   // mark first title screen
1140   title_controls[0].first = TRUE;
1141 }
1142
1143 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1144 {
1145   return (pos != NULL && pos->x != -1 && pos->y != -1);
1146 }
1147
1148 static boolean visibleTextPos(struct TextPosInfo *pos)
1149 {
1150   return (pos != NULL && pos->x != -1 && pos->y != -1);
1151 }
1152
1153 static void InitializeMainControls(void)
1154 {
1155   boolean local_team_mode = (!network.enabled && setup.team_mode);
1156   int i;
1157
1158   // set main control text values to dynamically determined values
1159   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1160
1161   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1162                                          menu.main.text.first_level.size));
1163   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1164                                          menu.main.text.last_level.size));
1165   strcpy(main_text_level_number, int2str(level_nr,
1166                                          menu.main.text.level_number.size));
1167
1168   main_text_level_year          = leveldir_current->year;
1169   main_text_level_imported_from = leveldir_current->imported_from;
1170   main_text_level_imported_by   = leveldir_current->imported_by;
1171   main_text_level_tested_by     = leveldir_current->tested_by;
1172
1173   main_text_title_1 = getConfigProgramTitleString();
1174   main_text_title_2 = getConfigProgramCopyrightString();
1175   main_text_title_3 = getConfigProgramCompanyString();
1176
1177   // set main control screen positions to dynamically determined values
1178   for (i = 0; main_controls[i].nr != -1; i++)
1179   {
1180     struct MainControlInfo *mci = &main_controls[i];
1181     int nr                         = mci->nr;
1182     struct MenuPosInfo *pos_button = mci->pos_button;
1183     struct TextPosInfo *pos_text   = mci->pos_text;
1184     struct TextPosInfo *pos_input  = mci->pos_input;
1185     char *text                     = (mci->text  ? *mci->text  : NULL);
1186     char *input                    = (mci->input ? *mci->input : NULL);
1187     int button_graphic             = mci->button_graphic;
1188     int font_text                  = (pos_text  ? pos_text->font  : -1);
1189     int font_input                 = (pos_input ? pos_input->font : -1);
1190
1191     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1192     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1193     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1194     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1195     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1196     int input_chars = (input != NULL ? strlen(input) : 0);
1197
1198     int button_width =
1199       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1200     int button_height =
1201       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1202     int text_width   = font_text_width * text_chars;
1203     int text_height  = font_text_height;
1204     int input_width  = font_input_width * input_chars;
1205     int input_height = font_input_height;
1206
1207     if (nr == MAIN_CONTROL_NAME)
1208     {
1209       menu.main.input.name.width  = input_width;
1210       menu.main.input.name.height = input_height;
1211     }
1212
1213     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1214     {
1215       pos_button->width  = button_width;
1216       pos_button->height = button_height;
1217     }
1218
1219     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1220     {
1221       // calculate text size -- needed for text alignment
1222       boolean calculate_text_size = (text != NULL);
1223
1224       if (pos_text->width == -1 || calculate_text_size)
1225         pos_text->width = text_width;
1226       if (pos_text->height == -1 || calculate_text_size)
1227         pos_text->height = text_height;
1228
1229       if (visibleMenuPos(pos_button))
1230       {
1231         if (pos_text->x == -1)
1232           pos_text->x = pos_button->x + pos_button->width;
1233         if (pos_text->y == -1)
1234           pos_text->y =
1235             pos_button->y + (pos_button->height - pos_text->height) / 2;
1236       }
1237     }
1238
1239     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1240     {
1241       if (visibleTextPos(pos_text))
1242       {
1243         if (pos_input->x == -1)
1244           pos_input->x = pos_text->x + pos_text->width;
1245         if (pos_input->y == -1)
1246           pos_input->y = pos_text->y;
1247       }
1248
1249       if (pos_input->width == -1)
1250         pos_input->width = input_width;
1251       if (pos_input->height == -1)
1252         pos_input->height = input_height;
1253     }
1254   }
1255 }
1256
1257 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1258                                        int graphic, boolean pressed)
1259 {
1260   struct GraphicInfo *g = &graphic_info[graphic];
1261   Bitmap *src_bitmap;
1262   int src_x, src_y;
1263   int xoffset = (pressed ? g->pressed_xoffset : 0);
1264   int yoffset = (pressed ? g->pressed_yoffset : 0);
1265
1266   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1267
1268   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1269                    g->width, g->height, dst_x, dst_y);
1270 }
1271
1272 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1273                                        boolean active_input,
1274                                        boolean pressed_button)
1275 {
1276   int i;
1277
1278   for (i = 0; main_controls[i].nr != -1; i++)
1279   {
1280     struct MainControlInfo *mci = &main_controls[i];
1281
1282     if (mci->nr == nr || nr == -1)
1283     {
1284       struct MenuPosInfo *pos_button = mci->pos_button;
1285       struct TextPosInfo *pos_text   = mci->pos_text;
1286       struct TextPosInfo *pos_input  = mci->pos_input;
1287       char *text                     = (mci->text  ? *mci->text  : NULL);
1288       char *input                    = (mci->input ? *mci->input : NULL);
1289       int button_graphic             = mci->button_graphic;
1290       int font_text                  = (pos_text  ? pos_text->font  : -1);
1291       int font_input                 = (pos_input ? pos_input->font : -1);
1292
1293       if (active_text)
1294       {
1295         button_graphic = BUTTON_ACTIVE(button_graphic);
1296         font_text = FONT_ACTIVE(font_text);
1297       }
1298
1299       if (active_input)
1300       {
1301         font_input = FONT_ACTIVE(font_input);
1302       }
1303
1304       if (visibleMenuPos(pos_button))
1305       {
1306         struct MenuPosInfo *pos = pos_button;
1307         int x = mSX + pos->x;
1308         int y = mSY + pos->y;
1309
1310         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1311         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1312       }
1313
1314       if (visibleTextPos(pos_text) && text != NULL)
1315       {
1316         struct TextPosInfo *pos = pos_text;
1317         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1318         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1319
1320 #if 1
1321         // (check why/if this is needed)
1322         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1323 #endif
1324         DrawText(x, y, text, font_text);
1325       }
1326
1327       if (visibleTextPos(pos_input) && input != NULL)
1328       {
1329         struct TextPosInfo *pos = pos_input;
1330         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1331         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1332
1333 #if 1
1334         // (check why/if this is needed)
1335         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1336 #endif
1337         DrawText(x, y, input, font_input);
1338       }
1339     }
1340   }
1341 }
1342
1343 static void DrawCursorAndText_Main(int nr, boolean active_text,
1344                                    boolean pressed_button)
1345 {
1346   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1347 }
1348
1349 #if 0
1350 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1351                                          boolean pressed_button)
1352 {
1353   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1354 }
1355 #endif
1356
1357 static struct MainControlInfo *getMainControlInfo(int nr)
1358 {
1359   int i;
1360
1361   for (i = 0; main_controls[i].nr != -1; i++)
1362     if (main_controls[i].nr == nr)
1363       return &main_controls[i];
1364
1365   return NULL;
1366 }
1367
1368 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1369 {
1370   if (rect == NULL)
1371     return FALSE;
1372
1373   int rect_x = ALIGNED_TEXT_XPOS(rect);
1374   int rect_y = ALIGNED_TEXT_YPOS(rect);
1375
1376   return (x >= rect_x && x < rect_x + rect->width &&
1377           y >= rect_y && y < rect_y + rect->height);
1378 }
1379
1380 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1381 {
1382   if (rect == NULL)
1383     return FALSE;
1384
1385   int rect_x = ALIGNED_TEXT_XPOS(rect);
1386   int rect_y = ALIGNED_TEXT_YPOS(rect);
1387
1388 #if 0
1389   Debug("screens:insideTextPosRect",
1390         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1391         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1392         (x >= rect_x && x < rect_x + rect->width &&
1393          y >= rect_y && y < rect_y + rect->height));
1394 #endif
1395
1396   return (x >= rect_x && x < rect_x + rect->width &&
1397           y >= rect_y && y < rect_y + rect->height);
1398 }
1399
1400 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1401 {
1402   int rect_width  = preview->xsize * preview->tile_size;
1403   int rect_height = preview->ysize * preview->tile_size;
1404   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1405   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1406
1407   return (x >= rect_x && x < rect_x + rect_width &&
1408           y >= rect_y && y < rect_y + rect_height);
1409 }
1410
1411 static void AdjustScrollbar(int id, int items_max, int items_visible,
1412                             int item_position)
1413 {
1414   struct GadgetInfo *gi = screen_gadget[id];
1415
1416   if (item_position > items_max - items_visible)
1417     item_position = items_max - items_visible;
1418
1419   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1420                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1421                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1422 }
1423
1424 static void AdjustChooseTreeScrollbar(TreeInfo *ti, int id)
1425 {
1426   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1427                   ti->cl_first);
1428 }
1429
1430 static void clearMenuListArea(void)
1431 {
1432   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1433
1434   // correct scrollbar position if placed outside menu (playfield) area
1435   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1436     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1437
1438   // clear menu list area, but not title or scrollbar
1439   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1440                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1441 }
1442
1443 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1444 {
1445   static int cursor_array[MAX_LEV_FIELDY];
1446   int x = amSX + TILEX * xpos;
1447   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1448
1449   if (xpos == 0)
1450   {
1451     if (graphic != -1)
1452       cursor_array[ypos] = graphic;
1453     else
1454       graphic = cursor_array[ypos];
1455   }
1456
1457   if (active)
1458     graphic = BUTTON_ACTIVE(graphic);
1459
1460   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1461   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1462 }
1463
1464 static void initCursor(int ypos, int graphic)
1465 {
1466   drawCursorExt(0, ypos, FALSE, graphic);
1467 }
1468
1469 static void drawCursor(int ypos, boolean active)
1470 {
1471   drawCursorExt(0, ypos, active, -1);
1472 }
1473
1474 static void drawCursorXY(int xpos, int ypos, int graphic)
1475 {
1476   drawCursorExt(xpos, ypos, FALSE, graphic);
1477 }
1478
1479 static void drawChooseTreeCursor(int ypos, boolean active)
1480 {
1481   drawCursorExt(0, ypos, active, -1);
1482 }
1483
1484 static int getChooseTreeEditFont(boolean active)
1485 {
1486   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1487 }
1488
1489 static int getChooseTreeEditXPos(int pos)
1490 {
1491   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1492   int xoffset = (has_scrollbar ? -1 : 0);
1493   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1494   int sx = amSX + xpos * TILEX;
1495   int font_nr = getChooseTreeEditFont(FALSE);
1496   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1497
1498   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1499 }
1500
1501 static int getChooseTreeEditYPos(int ypos_raw)
1502 {
1503   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1504   int sy = amSY + ypos * TILEY;
1505
1506   return sy;
1507 }
1508
1509 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1510 {
1511   int sx = getChooseTreeEditXPos(POS_LEFT);
1512   int sy = getChooseTreeEditYPos(ypos_raw);
1513   int font_nr = getChooseTreeEditFont(active);
1514
1515   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1516 }
1517
1518 static void DrawHeadline(void)
1519 {
1520   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1521   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1522 }
1523
1524 static void DrawTitleScreenImage(int nr, boolean initial)
1525 {
1526   int graphic = getTitleScreenGraphic(nr, initial);
1527   Bitmap *bitmap = graphic_info[graphic].bitmap;
1528   int width  = graphic_info[graphic].width;
1529   int height = graphic_info[graphic].height;
1530   int src_x = graphic_info[graphic].src_x;
1531   int src_y = graphic_info[graphic].src_y;
1532   int dst_x, dst_y;
1533
1534   if (bitmap == NULL)
1535     return;
1536
1537   if (width > WIN_XSIZE)
1538   {
1539     // image width too large for window => center image horizontally
1540     src_x = (width - WIN_XSIZE) / 2;
1541     width = WIN_XSIZE;
1542   }
1543
1544   if (height > WIN_YSIZE)
1545   {
1546     // image height too large for window => center image vertically
1547     src_y = (height - WIN_YSIZE) / 2;
1548     height = WIN_YSIZE;
1549   }
1550
1551   // always display title screens centered
1552   dst_x = (WIN_XSIZE - width) / 2;
1553   dst_y = (WIN_YSIZE - height) / 2;
1554
1555   SetDrawBackgroundMask(REDRAW_ALL);
1556   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1557
1558   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1559
1560   if (DrawingOnBackground(dst_x, dst_y))
1561     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1562   else
1563     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1564
1565   redraw_mask = REDRAW_ALL;
1566 }
1567
1568 static void DrawTitleScreenMessage(int nr, boolean initial)
1569 {
1570   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1571   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1572
1573   if (filename == NULL)
1574     return;
1575
1576   // force TITLE font on title message screen
1577   SetFontStatus(getTitleMessageGameMode(initial));
1578
1579   // if chars *and* width set to "-1", automatically determine width
1580   if (tmi->chars == -1 && tmi->width == -1)
1581     tmi->width = viewport.window[game_status].width;
1582
1583   // if lines *and* height set to "-1", automatically determine height
1584   if (tmi->lines == -1 && tmi->height == -1)
1585     tmi->height = viewport.window[game_status].height;
1586
1587   // if chars set to "-1", automatically determine by text and font width
1588   if (tmi->chars == -1)
1589     tmi->chars = tmi->width / getFontWidth(tmi->font);
1590   else
1591     tmi->width = tmi->chars * getFontWidth(tmi->font);
1592
1593   // if lines set to "-1", automatically determine by text and font height
1594   if (tmi->lines == -1)
1595     tmi->lines = tmi->height / getFontHeight(tmi->font);
1596   else
1597     tmi->height = tmi->lines * getFontHeight(tmi->font);
1598
1599   // if x set to "-1", automatically determine by width and alignment
1600   if (tmi->x == -1)
1601     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1602
1603   // if y set to "-1", automatically determine by height and alignment
1604   if (tmi->y == -1)
1605     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1606
1607   SetDrawBackgroundMask(REDRAW_ALL);
1608   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1609
1610   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1611
1612   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1613                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1614                tmi->autowrap, tmi->centered, tmi->parse_comments);
1615
1616   ResetFontStatus();
1617 }
1618
1619 static void DrawTitleScreen(void)
1620 {
1621   KeyboardAutoRepeatOff();
1622
1623   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1624 }
1625
1626 static boolean CheckTitleScreen(boolean levelset_has_changed)
1627 {
1628   static boolean show_title_initial = TRUE;
1629   boolean show_titlescreen = FALSE;
1630
1631   // needed to be able to skip title screen, if no image or message defined
1632   InitializeTitleControls(show_title_initial);
1633
1634   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1635     show_titlescreen = TRUE;
1636
1637   // show initial title images and messages only once at program start
1638   show_title_initial = FALSE;
1639
1640   return (show_titlescreen && num_title_screens > 0);
1641 }
1642
1643 void DrawMainMenu(void)
1644 {
1645   static LevelDirTree *leveldir_last_valid = NULL;
1646   boolean levelset_has_changed = FALSE;
1647   int fade_mask = REDRAW_FIELD;
1648
1649   LimitScreenUpdates(FALSE);
1650
1651   FadeSetLeaveScreen();
1652
1653   // do not fade out here -- function may continue and fade on editor screen
1654
1655   UnmapAllGadgets();
1656   FadeMenuSoundsAndMusic();
1657
1658   ExpireSoundLoops(FALSE);
1659
1660   KeyboardAutoRepeatOn();
1661
1662   audio.sound_deactivated = FALSE;
1663
1664   GetPlayerConfig();
1665
1666   // needed if last screen was the playing screen, invoked from level editor
1667   if (level_editor_test_game)
1668   {
1669     CloseDoor(DOOR_CLOSE_ALL);
1670
1671     SetGameStatus(GAME_MODE_EDITOR);
1672
1673     DrawLevelEd();
1674
1675     return;
1676   }
1677
1678   // leveldir_current may be invalid (level group, parent link, node copy)
1679   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1680
1681   if (leveldir_current != leveldir_last_valid)
1682   {
1683     UpdateLastPlayedLevels_TreeInfo();
1684
1685     levelset_has_changed = TRUE;
1686   }
1687
1688   // store valid level series information
1689   leveldir_last_valid = leveldir_current;
1690
1691   init_last = init;                     // switch to new busy animation
1692
1693   // needed if last screen (level choice) changed graphics, sounds or music
1694   ReloadCustomArtwork(0);
1695
1696   if (CheckTitleScreen(levelset_has_changed))
1697   {
1698     SetGameStatus(GAME_MODE_TITLE);
1699
1700     DrawTitleScreen();
1701
1702     return;
1703   }
1704
1705   if (redraw_mask & REDRAW_ALL)
1706     fade_mask = REDRAW_ALL;
1707
1708   if (CheckFadeAll())
1709     fade_mask = REDRAW_ALL;
1710
1711   FadeOut(fade_mask);
1712
1713   // needed if different viewport properties defined for menues
1714   ChangeViewportPropertiesIfNeeded();
1715
1716   SetDrawtoField(DRAW_TO_BACKBUFFER);
1717
1718   // level_nr may have been set to value over handicap with level editor
1719   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1720     level_nr = leveldir_current->handicap_level;
1721
1722   LoadLevel(level_nr);
1723   LoadScore(level_nr);
1724
1725   SaveLevelSetup_SeriesInfo();
1726
1727   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1728   SetDrawDeactivationMask(REDRAW_NONE);
1729   SetDrawBackgroundMask(REDRAW_FIELD);
1730
1731   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1732
1733 #if 0
1734   if (fade_mask == REDRAW_ALL)
1735     RedrawGlobalBorder();
1736 #endif
1737
1738   ClearField();
1739
1740   InitializeMainControls();
1741
1742   DrawCursorAndText_Main(-1, FALSE, FALSE);
1743   DrawPreviewLevelInitial();
1744   DrawNetworkPlayers();
1745
1746   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1747
1748   TapeStop();
1749   if (TAPE_IS_EMPTY(tape))
1750     LoadTape(level_nr);
1751   DrawCompleteVideoDisplay();
1752
1753   PlayMenuSoundsAndMusic();
1754
1755   // create gadgets for main menu screen
1756   FreeScreenGadgets();
1757   CreateScreenGadgets();
1758
1759   // may be required if audio buttons shown on tape and changed in setup menu
1760   FreeGameButtons();
1761   CreateGameButtons();
1762
1763   // map gadgets for main menu screen
1764   MapTapeButtons();
1765   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1766   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1767
1768   // copy actual game door content to door double buffer for OpenDoor()
1769   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1770   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1771
1772   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1773
1774   DrawMaskedBorder(fade_mask);
1775
1776   FadeIn(fade_mask);
1777   FadeSetEnterMenu();
1778
1779   // update screen area with special editor door
1780   redraw_mask |= REDRAW_ALL;
1781   BackToFront();
1782
1783   SetMouseCursor(CURSOR_DEFAULT);
1784
1785   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1786
1787   SyncEmscriptenFilesystem();
1788
1789   // needed once after program start or after user change
1790   CheckApiServerTasks();
1791 }
1792
1793 static void gotoTopLevelDir(void)
1794 {
1795   // move upwards until inside (but not above) top level directory
1796   while (leveldir_current->node_parent &&
1797          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1798   {
1799     // write a "path" into level tree for easy navigation to last level
1800     if (leveldir_current->node_parent->node_group->cl_first == -1)
1801     {
1802       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1803       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1804       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1805       int cl_first, cl_cursor;
1806
1807       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1808       cl_cursor = leveldir_pos - cl_first;
1809
1810       leveldir_current->node_parent->node_group->cl_first = cl_first;
1811       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1812     }
1813
1814     leveldir_current = leveldir_current->node_parent;
1815   }
1816 }
1817
1818 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1819 {
1820   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1821
1822   return (use_frame_counter ? video.frame_counter : Counter());
1823 }
1824
1825 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1826                                      struct TitleFadingInfo *fi)
1827 {
1828   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1829 }
1830
1831 static void ResetTitleAutoDelay(unsigned int *counter_var,
1832                                 struct TitleFadingInfo *fi)
1833 {
1834   *counter_var = getAutoDelayCounter(fi);
1835 }
1836
1837 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1838 {
1839   static unsigned int title_delay = 0;
1840   static int title_screen_nr = 0;
1841   static int last_sound = -1, last_music = -1;
1842   boolean return_to_main_menu = FALSE;
1843   struct TitleControlInfo *tci;
1844   int sound, music;
1845
1846   if (button == MB_MENU_INITIALIZE)
1847   {
1848     title_delay = 0;
1849     title_screen_nr = 0;
1850     tci = &title_controls[title_screen_nr];
1851
1852     SetAnimStatus(getTitleAnimMode(tci));
1853
1854     last_sound = SND_UNDEFINED;
1855     last_music = MUS_UNDEFINED;
1856
1857     if (num_title_screens != 0)
1858     {
1859       FadeSetEnterScreen();
1860
1861       // use individual title fading instead of global "enter screen" fading
1862       fading = getTitleFading(tci);
1863     }
1864
1865     if (game_status_last_screen == GAME_MODE_INFO)
1866     {
1867       if (num_title_screens == 0)
1868       {
1869         // switch game mode from title screen mode back to info screen mode
1870         SetGameStatus(GAME_MODE_INFO);
1871
1872         // store that last screen was info screen, not main menu screen
1873         game_status_last_screen = GAME_MODE_INFO;
1874
1875         DrawInfoScreen_NotAvailable("Title screen information:",
1876                                     "No title screen for this level set.");
1877         return;
1878       }
1879     }
1880
1881     FadeMenuSoundsAndMusic();
1882
1883     FadeOut(REDRAW_ALL);
1884
1885     // title screens may have different window size
1886     ChangeViewportPropertiesIfNeeded();
1887
1888     // only required to update logic for redrawing global border
1889     ClearField();
1890
1891     if (tci->is_image)
1892       DrawTitleScreenImage(tci->local_nr, tci->initial);
1893     else
1894       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1895
1896     sound = getTitleSound(tci);
1897     music = getTitleMusic(tci);
1898
1899     if (sound != last_sound)
1900       PlayMenuSoundExt(sound);
1901     if (music != last_music)
1902       PlayMenuMusicExt(music);
1903
1904     last_sound = sound;
1905     last_music = music;
1906
1907     SetMouseCursor(CURSOR_NONE);
1908
1909     FadeIn(REDRAW_ALL);
1910
1911     ResetTitleAutoDelay(&title_delay, &fading);
1912
1913     return;
1914   }
1915
1916   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1917     button = MB_MENU_CHOICE;
1918
1919   if (button == MB_MENU_LEAVE)
1920   {
1921     return_to_main_menu = TRUE;
1922   }
1923   else if (button == MB_MENU_CHOICE)
1924   {
1925     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1926     {
1927       SetGameStatus(GAME_MODE_INFO);
1928
1929       info_mode = INFO_MODE_MAIN;
1930
1931       DrawInfoScreen();
1932
1933       return;
1934     }
1935
1936     title_screen_nr++;
1937
1938     if (title_screen_nr < num_title_screens)
1939     {
1940       tci = &title_controls[title_screen_nr];
1941
1942       SetAnimStatus(getTitleAnimMode(tci));
1943
1944       sound = getTitleSound(tci);
1945       music = getTitleMusic(tci);
1946
1947       if (last_sound != SND_UNDEFINED && sound != last_sound)
1948         FadeSound(last_sound);
1949       if (last_music != MUS_UNDEFINED && music != last_music)
1950         FadeMusic();
1951
1952       fading = getTitleFading(tci);
1953
1954       FadeOut(REDRAW_ALL);
1955
1956       if (tci->is_image)
1957         DrawTitleScreenImage(tci->local_nr, tci->initial);
1958       else
1959         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1960
1961       sound = getTitleSound(tci);
1962       music = getTitleMusic(tci);
1963
1964       if (sound != last_sound)
1965         PlayMenuSoundExt(sound);
1966       if (music != last_music)
1967         PlayMenuMusicExt(music);
1968
1969       last_sound = sound;
1970       last_music = music;
1971
1972       FadeIn(REDRAW_ALL);
1973
1974       ResetTitleAutoDelay(&title_delay, &fading);
1975     }
1976     else
1977     {
1978       FadeMenuSoundsAndMusic();
1979
1980       return_to_main_menu = TRUE;
1981     }
1982   }
1983
1984   if (return_to_main_menu)
1985   {
1986     SetMouseCursor(CURSOR_DEFAULT);
1987
1988     // force full menu screen redraw after displaying title screens
1989     redraw_mask = REDRAW_ALL;
1990
1991     if (game_status_last_screen == GAME_MODE_INFO)
1992     {
1993       SetGameStatus(GAME_MODE_INFO);
1994
1995       info_mode = INFO_MODE_MAIN;
1996
1997       DrawInfoScreen();
1998     }
1999     else        // default: return to main menu
2000     {
2001       SetGameStatus(GAME_MODE_MAIN);
2002
2003       DrawMainMenu();
2004     }
2005   }
2006 }
2007
2008 static void HandleMainMenu_ToggleTeamMode(void)
2009 {
2010   setup.team_mode = !setup.team_mode;
2011
2012   InitializeMainControls();
2013   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
2014
2015   DrawPreviewPlayers();
2016 }
2017
2018 static void HandleMainMenu_SelectLevel(int step, int direction,
2019                                        int selected_level_nr)
2020 {
2021   int old_level_nr = level_nr;
2022   int new_level_nr;
2023
2024   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
2025     new_level_nr = selected_level_nr;
2026   else
2027     new_level_nr = old_level_nr + step * direction;
2028
2029   if (new_level_nr < leveldir_current->first_level)
2030     new_level_nr = leveldir_current->first_level;
2031   if (new_level_nr > leveldir_current->last_level)
2032     new_level_nr = leveldir_current->last_level;
2033
2034   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
2035   {
2036     // skipping levels is only allowed when trying to skip single level
2037     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
2038         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
2039     {
2040       leveldir_current->handicap_level++;
2041       SaveLevelSetup_SeriesInfo();
2042     }
2043
2044     new_level_nr = leveldir_current->handicap_level;
2045   }
2046
2047   if (new_level_nr != old_level_nr)
2048   {
2049     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2050
2051     PlaySound(SND_MENU_ITEM_SELECTING);
2052
2053     level_nr = new_level_nr;
2054
2055     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2056              int2str(level_nr, menu.main.text.level_number.size),
2057              mci->pos_text->font);
2058
2059     LoadLevel(level_nr);
2060     DrawPreviewLevelInitial();
2061
2062     TapeErase();
2063     LoadTape(level_nr);
2064     DrawCompleteVideoDisplay();
2065
2066     SaveLevelSetup_SeriesInfo();
2067
2068     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2069
2070     // force redraw of playfield area (may be reset at this point)
2071     redraw_mask |= REDRAW_FIELD;
2072   }
2073 }
2074
2075 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2076 {
2077   static int choice = MAIN_CONTROL_GAME;
2078   static boolean button_pressed_last = FALSE;
2079   boolean button_pressed = FALSE;
2080   int pos = choice;
2081   int i = 0;    // needed to prevent compiler warning due to bad code below
2082
2083   if (button == MB_MENU_INITIALIZE)
2084   {
2085     DrawCursorAndText_Main(choice, TRUE, FALSE);
2086
2087     return;
2088   }
2089
2090   if (mx || my)         // mouse input
2091   {
2092     pos = -1;
2093
2094     for (i = 0; main_controls[i].nr != -1; i++)
2095     {
2096       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2097           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2098           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2099       {
2100         pos = main_controls[i].nr;
2101
2102         break;
2103       }
2104     }
2105
2106     // check if level preview was clicked
2107     if (insidePreviewRect(&preview, mx - SX, my - SY))
2108       pos = MAIN_CONTROL_GAME;
2109
2110     // handle pressed/unpressed state for active/inactive menu buttons
2111     // (if pos != -1, "i" contains index position corresponding to "pos")
2112     if (button &&
2113         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2114         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2115       button_pressed = TRUE;
2116
2117     if (button_pressed != button_pressed_last)
2118     {
2119       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2120
2121       if (button_pressed)
2122         PlaySound(SND_MENU_BUTTON_PRESSING);
2123       else
2124         PlaySound(SND_MENU_BUTTON_RELEASING);
2125     }
2126   }
2127   else if (dx || dy)    // keyboard input
2128   {
2129     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2130                    choice == MAIN_CONTROL_SETUP))
2131       button = MB_MENU_CHOICE;
2132     else if (dy)
2133       pos = choice + dy;
2134   }
2135
2136   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2137   {
2138     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2139   }
2140   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2141   {
2142     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2143   }
2144   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2145   {
2146     CloseDoor(DOOR_CLOSE_2);
2147
2148     SetGameStatus(GAME_MODE_LEVELNR);
2149
2150     DrawChooseLevelNr();
2151   }
2152   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2153   {
2154     if (button)
2155     {
2156       if (pos != choice)
2157       {
2158         PlaySound(SND_MENU_ITEM_ACTIVATING);
2159
2160         DrawCursorAndText_Main(choice, FALSE, FALSE);
2161         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2162
2163         choice = pos;
2164       }
2165       else if (dx != 0)
2166       {
2167         if (choice == MAIN_CONTROL_NAME)
2168         {
2169           // special case: cursor left or right pressed -- toggle team mode
2170           HandleMainMenu_ToggleTeamMode();
2171         }
2172         else if (choice != MAIN_CONTROL_INFO &&
2173                  choice != MAIN_CONTROL_SETUP)
2174         {
2175           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2176         }
2177       }
2178     }
2179     else
2180     {
2181       PlaySound(SND_MENU_ITEM_SELECTING);
2182
2183       if (pos == MAIN_CONTROL_NAME)
2184       {
2185         if ((mx || my) &&
2186             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2187         {
2188           // special case: menu text "name/team" clicked -- toggle team mode
2189           HandleMainMenu_ToggleTeamMode();
2190         }
2191         else
2192         {
2193           if (setup.multiple_users)
2194           {
2195             CloseDoor(DOOR_CLOSE_2);
2196
2197             SetGameStatus(GAME_MODE_NAMES);
2198
2199             DrawChoosePlayerName();
2200           }
2201           else
2202           {
2203             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2204
2205             DrawTypeName();
2206           }
2207         }
2208       }
2209       else if (pos == MAIN_CONTROL_LEVELS)
2210       {
2211         if (leveldir_first)
2212         {
2213           CloseDoor(DOOR_CLOSE_2);
2214
2215           SetGameStatus(GAME_MODE_LEVELS);
2216
2217           SaveLevelSetup_LastSeries();
2218           SaveLevelSetup_SeriesInfo();
2219
2220           // restore level set if chosen from "last played level set" menu
2221           RestoreLastPlayedLevels(&leveldir_current);
2222
2223           if (setup.internal.choose_from_top_leveldir)
2224             gotoTopLevelDir();
2225
2226           DrawChooseLevelSet();
2227         }
2228       }
2229       else if (pos == MAIN_CONTROL_SCORES)
2230       {
2231         CloseDoor(DOOR_CLOSE_2);
2232
2233         SetGameStatus(GAME_MODE_SCORES);
2234
2235         DrawHallOfFame(level_nr);
2236       }
2237       else if (pos == MAIN_CONTROL_EDITOR)
2238       {
2239         if (leveldir_current->readonly &&
2240             setup.editor.show_read_only_warning)
2241           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2242
2243         CloseDoor(DOOR_CLOSE_ALL);
2244
2245         SetGameStatus(GAME_MODE_EDITOR);
2246
2247         FadeSetEnterScreen();
2248
2249         DrawLevelEd();
2250       }
2251       else if (pos == MAIN_CONTROL_INFO)
2252       {
2253         CloseDoor(DOOR_CLOSE_2);
2254
2255         SetGameStatus(GAME_MODE_INFO);
2256
2257         info_mode = INFO_MODE_MAIN;
2258
2259         DrawInfoScreen();
2260       }
2261       else if (pos == MAIN_CONTROL_GAME)
2262       {
2263         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2264       }
2265       else if (pos == MAIN_CONTROL_SETUP)
2266       {
2267         CloseDoor(DOOR_CLOSE_2);
2268
2269         SetGameStatus(GAME_MODE_SETUP);
2270
2271         setup_mode = SETUP_MODE_MAIN;
2272
2273         DrawSetupScreen();
2274       }
2275       else if (pos == MAIN_CONTROL_QUIT)
2276       {
2277         SaveLevelSetup_LastSeries();
2278         SaveLevelSetup_SeriesInfo();
2279
2280 #if defined(PLATFORM_EMSCRIPTEN)
2281         Request("Close the browser window to quit!", REQ_CONFIRM);
2282 #else
2283         if (!setup.ask_on_quit_program ||
2284             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2285           SetGameStatus(GAME_MODE_QUIT);
2286 #endif
2287       }
2288     }
2289   }
2290
2291   button_pressed_last = button_pressed;
2292 }
2293
2294
2295 // ============================================================================
2296 // info screen functions
2297 // ============================================================================
2298
2299 static struct TokenInfo *info_info;
2300 static int num_info_info;       // number of info entries shown on screen
2301 static int max_info_info;       // total number of info entries in list
2302
2303 static void execInfoTitleScreen(void)
2304 {
2305   info_mode = INFO_MODE_TITLE;
2306
2307   DrawInfoScreen();
2308 }
2309
2310 static void execInfoElements(void)
2311 {
2312   info_mode = INFO_MODE_ELEMENTS;
2313
2314   DrawInfoScreen();
2315 }
2316
2317 static void execInfoMusic(void)
2318 {
2319   info_mode = INFO_MODE_MUSIC;
2320
2321   DrawInfoScreen();
2322 }
2323
2324 static void execInfoCredits(void)
2325 {
2326   info_mode = INFO_MODE_CREDITS;
2327
2328   DrawInfoScreen();
2329 }
2330
2331 static void execInfoProgram(void)
2332 {
2333   info_mode = INFO_MODE_PROGRAM;
2334
2335   DrawInfoScreen();
2336 }
2337
2338 static void execInfoVersion(void)
2339 {
2340   info_mode = INFO_MODE_VERSION;
2341
2342   DrawInfoScreen();
2343 }
2344
2345 static void execInfoLevelSet(void)
2346 {
2347   info_mode = INFO_MODE_LEVELSET;
2348
2349   DrawInfoScreen();
2350 }
2351
2352 static void execExitInfo(void)
2353 {
2354   SetGameStatus(GAME_MODE_MAIN);
2355
2356   DrawMainMenu();
2357 }
2358
2359 static struct TokenInfo info_info_main[] =
2360 {
2361   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2362   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2363   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2364   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2365   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2366   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2367   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2368   { TYPE_EMPTY,         NULL,                   ""                      },
2369   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2370
2371   { 0,                  NULL,                   NULL                    }
2372 };
2373
2374 static int getMenuTextFont(int type)
2375 {
2376   if (type & (TYPE_SWITCH       |
2377               TYPE_YES_NO       |
2378               TYPE_YES_NO_AUTO  |
2379               TYPE_STRING       |
2380               TYPE_PLAYER       |
2381               TYPE_ECS_AGA      |
2382               TYPE_KEYTEXT      |
2383               TYPE_ENTER_LIST   |
2384               TYPE_TEXT_INPUT))
2385     return FONT_MENU_2;
2386   else
2387     return FONT_MENU_1;
2388 }
2389
2390 static struct TokenInfo *setup_info;
2391 static struct TokenInfo setup_info_input[];
2392
2393 static struct TokenInfo *menu_info;
2394
2395 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2396                                        int screen_pos, int menu_info_pos_raw,
2397                                        boolean active)
2398 {
2399   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2400   struct TokenInfo *ti = &token_info[pos];
2401   int xpos = MENU_SCREEN_START_XPOS;
2402   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2403   int font_nr = getMenuTextFont(ti->type);
2404
2405   if (setup_mode == SETUP_MODE_INPUT)
2406     font_nr = FONT_MENU_1;
2407
2408   if (active)
2409     font_nr = FONT_ACTIVE(font_nr);
2410
2411   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2412
2413   if (ti->type & ~TYPE_SKIP_ENTRY)
2414     drawCursor(screen_pos, active);
2415 }
2416
2417 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2418                                    boolean active)
2419 {
2420   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2421 }
2422
2423 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2424                                     boolean active)
2425 {
2426   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2427 }
2428
2429 static char *window_size_text;
2430 static char *scaling_type_text;
2431 static char *network_server_text;
2432
2433 static void drawSetupValue(int, int);
2434
2435 static void drawMenuInfoList(int first_entry, int num_page_entries,
2436                              int max_page_entries)
2437 {
2438   int i;
2439
2440   if (first_entry + num_page_entries > max_page_entries)
2441     first_entry = 0;
2442
2443   clearMenuListArea();
2444
2445   for (i = 0; i < num_page_entries; i++)
2446   {
2447     int menu_info_pos = first_entry + i;
2448     struct TokenInfo *si = &menu_info[menu_info_pos];
2449     void *value_ptr = si->value;
2450
2451     // set some entries to "unchangeable" according to other variables
2452     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2453         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2454         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2455         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2456         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2457         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2458       si->type |= TYPE_GHOSTED;
2459
2460     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2461       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2462     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2463       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2464     else if (si->type & ~TYPE_SKIP_ENTRY)
2465       initCursor(i, IMG_MENU_BUTTON);
2466
2467     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2468
2469     if (si->type & TYPE_STRING)
2470     {
2471       int gadget_id = -1;
2472
2473       if (value_ptr == &network_server_text)
2474         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2475
2476       if (gadget_id != -1)
2477       {
2478         struct GadgetInfo *gi = screen_gadget[gadget_id];
2479         int xpos = MENU_SCREEN_START_XPOS;
2480         int ypos = MENU_SCREEN_START_YPOS + i;
2481         int x = mSX + xpos * 32;
2482         int y = mSY + ypos * 32;
2483
2484         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2485       }
2486     }
2487
2488     if (si->type & TYPE_VALUE &&
2489         menu_info == setup_info)
2490       drawSetupValue(i, menu_info_pos);
2491   }
2492 }
2493
2494 static void DrawInfoScreen_Main(void)
2495 {
2496   int fade_mask = REDRAW_FIELD;
2497   int i;
2498
2499   if (redraw_mask & REDRAW_ALL)
2500     fade_mask = REDRAW_ALL;
2501
2502   if (CheckFadeAll())
2503     fade_mask = REDRAW_ALL;
2504
2505   UnmapAllGadgets();
2506   FadeMenuSoundsAndMusic();
2507
2508   FreeScreenGadgets();
2509   CreateScreenGadgets();
2510
2511   // (needed after displaying title screens which disable auto repeat)
2512   KeyboardAutoRepeatOn();
2513
2514   FadeSetLeaveScreen();
2515
2516   FadeOut(fade_mask);
2517
2518   // needed if different viewport properties defined for info screen
2519   ChangeViewportPropertiesIfNeeded();
2520
2521   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2522
2523   ClearField();
2524
2525   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2526
2527   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2528
2529   info_info = info_info_main;
2530
2531   // determine maximal number of info entries that can be displayed on screen
2532   num_info_info = 0;
2533   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2534     num_info_info++;
2535
2536   // determine maximal number of info entries available for menu of info screen
2537   max_info_info = 0;
2538   for (i = 0; info_info[i].type != 0; i++)
2539     max_info_info++;
2540
2541   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2542
2543   MapScreenGadgets(max_info_info);
2544
2545   PlayMenuSoundsAndMusic();
2546
2547   DrawMaskedBorder(fade_mask);
2548
2549   FadeIn(fade_mask);
2550 }
2551
2552 static void changeSetupValue(int, int, int);
2553
2554 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2555                              int mode, int num_page_entries,
2556                              int max_page_entries)
2557 {
2558   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2559   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2560   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2561   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2562   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2563   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2564   int *num_page_entries_last = num_page_entries_all_last[game_status];
2565   int *choice_store = choice_stores[game_status];
2566   int *first_entry_store = first_entry_stores[game_status];
2567   int choice = choice_store[mode];              // starts with 0
2568   int first_entry = first_entry_store[mode];    // starts with 0
2569   int x = 0;
2570   int y = choice - first_entry;
2571   int y_old = y;
2572   boolean position_set_by_scrollbar = (dx == 999);
2573   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2574   int i;
2575
2576   if (button == MB_MENU_INITIALIZE)
2577   {
2578     // check if number of menu page entries has changed (may happen by change
2579     // of custom artwork definition value for 'list_size' for this menu screen)
2580     // (in this case, the last menu position most probably has to be corrected)
2581     if (num_page_entries != num_page_entries_last[mode])
2582     {
2583       choice_store[mode] = first_entry_store[mode] = 0;
2584
2585       choice = first_entry = 0;
2586       y = y_old = 0;
2587
2588       num_page_entries_last[mode] = num_page_entries;
2589     }
2590
2591     // advance to first valid menu entry
2592     while (choice < num_page_entries &&
2593            menu_info[choice].type & TYPE_SKIP_ENTRY)
2594       choice++;
2595
2596     if (position_set_by_scrollbar)
2597       first_entry = first_entry_store[mode] = dy;
2598     else
2599       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2600                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2601
2602     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2603
2604     if (choice < first_entry)
2605     {
2606       choice = first_entry;
2607
2608       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2609         choice++;
2610     }
2611     else if (choice > first_entry + num_page_entries - 1)
2612     {
2613       choice = first_entry + num_page_entries - 1;
2614
2615       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2616         choice--;
2617     }
2618
2619     choice_store[mode] = choice;
2620
2621     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2622
2623     return;
2624   }
2625   else if (button == MB_MENU_LEAVE)
2626   {
2627     PlaySound(SND_MENU_ITEM_SELECTING);
2628
2629     for (i = 0; i < max_page_entries; i++)
2630     {
2631       if (menu_info[i].type & TYPE_LEAVE_MENU)
2632       {
2633         void (*menu_callback_function)(void) = menu_info[i].value;
2634
2635         FadeSetLeaveMenu();
2636
2637         menu_callback_function();
2638
2639         break;  // absolutely needed because function changes 'menu_info'!
2640       }
2641     }
2642
2643     return;
2644   }
2645
2646   if (mx || my)         // mouse input
2647   {
2648     x = (mx - mSX) / 32;
2649     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2650   }
2651   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2652   {
2653     // move cursor instead of scrolling when already at start/end of list
2654     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2655       dy = -1;
2656     else if (dy == +1 * SCROLL_LINE &&
2657              first_entry + num_page_entries == max_page_entries)
2658       dy = 1;
2659
2660     // handle scrolling screen one line or page
2661     if (y + dy < 0 ||
2662         y + dy > num_page_entries - 1)
2663     {
2664       boolean redraw = FALSE;
2665
2666       if (ABS(dy) == SCROLL_PAGE)
2667         step = num_page_entries - 1;
2668
2669       if (dy < 0 && first_entry > 0)
2670       {
2671         // scroll page/line up
2672
2673         first_entry -= step;
2674         if (first_entry < 0)
2675           first_entry = 0;
2676
2677         redraw = TRUE;
2678       }
2679       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2680       {
2681         // scroll page/line down
2682
2683         first_entry += step;
2684         if (first_entry + num_page_entries > max_page_entries)
2685           first_entry = MAX(0, max_page_entries - num_page_entries);
2686
2687         redraw = TRUE;
2688       }
2689
2690       if (redraw)
2691       {
2692         choice += first_entry - first_entry_store[mode];
2693
2694         if (choice < first_entry)
2695         {
2696           choice = first_entry;
2697
2698           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2699             choice++;
2700         }
2701         else if (choice > first_entry + num_page_entries - 1)
2702         {
2703           choice = first_entry + num_page_entries - 1;
2704
2705           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2706             choice--;
2707         }
2708         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2709         {
2710           choice += SIGN(dy);
2711
2712           if (choice < first_entry ||
2713               choice > first_entry + num_page_entries - 1)
2714           first_entry += SIGN(dy);
2715         }
2716
2717         first_entry_store[mode] = first_entry;
2718         choice_store[mode] = choice;
2719
2720         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2721
2722         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2723
2724         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2725                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2726       }
2727
2728       return;
2729     }
2730
2731     if (dx)
2732     {
2733       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2734
2735       if (menu_info[choice].type & menu_navigation_type ||
2736           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2737           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2738           menu_info[choice].type & TYPE_PLAYER)
2739         button = MB_MENU_CHOICE;
2740     }
2741     else if (dy)
2742       y += dy;
2743
2744     // jump to next non-empty menu entry (up or down)
2745     while (first_entry + y > 0 &&
2746            first_entry + y < max_page_entries - 1 &&
2747            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2748       y += dy;
2749
2750     if (!IN_VIS_MENU(x, y))
2751     {
2752       choice += y - y_old;
2753
2754       if (choice < first_entry)
2755         first_entry = choice;
2756       else if (choice > first_entry + num_page_entries - 1)
2757         first_entry = choice - num_page_entries + 1;
2758
2759       if (first_entry >= 0 &&
2760           first_entry + num_page_entries <= max_page_entries)
2761       {
2762         first_entry_store[mode] = first_entry;
2763
2764         if (choice < first_entry)
2765           choice = first_entry;
2766         else if (choice > first_entry + num_page_entries - 1)
2767           choice = first_entry + num_page_entries - 1;
2768
2769         choice_store[mode] = choice;
2770
2771         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2772
2773         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2774
2775         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2776                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2777       }
2778
2779       return;
2780     }
2781   }
2782
2783   if (!anyScrollbarGadgetActive() &&
2784       IN_VIS_MENU(x, y) &&
2785       mx < mx_right_border &&
2786       y >= 0 && y < num_page_entries)
2787   {
2788     if (button)
2789     {
2790       if (first_entry + y != choice &&
2791           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2792       {
2793         PlaySound(SND_MENU_ITEM_ACTIVATING);
2794
2795         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2796         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2797
2798         choice = choice_store[mode] = first_entry + y;
2799       }
2800       else if (dx < 0)
2801       {
2802         PlaySound(SND_MENU_ITEM_SELECTING);
2803
2804         for (i = 0; menu_info[i].type != 0; i++)
2805         {
2806           if (menu_info[i].type & TYPE_LEAVE_MENU)
2807           {
2808             void (*menu_callback_function)(void) = menu_info[i].value;
2809
2810             FadeSetLeaveMenu();
2811
2812             menu_callback_function();
2813
2814             // absolutely needed because function changes 'menu_info'!
2815             break;
2816           }
2817         }
2818
2819         return;
2820       }
2821     }
2822     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2823     {
2824       PlaySound(SND_MENU_ITEM_SELECTING);
2825
2826       // when selecting key headline, execute function for key value change
2827       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2828           menu_info[first_entry + y + 1].type & TYPE_KEY)
2829         y++;
2830
2831       // when selecting string value, execute function for list selection
2832       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2833           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2834         y--;
2835
2836       // when selecting string value, execute function for text input gadget
2837       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2838           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2839         y--;
2840
2841       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2842       {
2843         void (*menu_callback_function)(void) =
2844           menu_info[first_entry + y].value;
2845
2846         FadeSetFromType(menu_info[first_entry + y].type);
2847
2848         menu_callback_function();
2849       }
2850       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2851       {
2852         void (*gadget_callback_function)(void) =
2853           menu_info[first_entry + y].value;
2854
2855         gadget_callback_function();
2856       }
2857       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2858                menu_info == setup_info)
2859       {
2860         changeSetupValue(y, first_entry + y, dx);
2861       }
2862     }
2863   }
2864 }
2865
2866 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2867 {
2868   menu_info = info_info;
2869
2870   HandleMenuScreen(mx, my, dx, dy, button,
2871                    info_mode, num_info_info, max_info_info);
2872 }
2873
2874 static int getMenuFontSpacing(int spacing_height, int font_nr)
2875 {
2876   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2877
2878   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2879           spacing_height);
2880 }
2881
2882 static int getMenuTextSpacing(int spacing_height, int font_nr)
2883 {
2884   return (getMenuFontSpacing(spacing_height, font_nr) +
2885           EXTRA_SPACING(game_status));
2886 }
2887
2888 static int getMenuTextStep(int spacing_height, int font_nr)
2889 {
2890   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2891 }
2892
2893 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2894 {
2895   int font_title = MENU_INFO_FONT_TITLE;
2896   int font_error = FONT_TEXT_2;
2897   int font_foot  = MENU_INFO_FONT_FOOT;
2898   int spacing_title = menu.headline1_spacing_info[info_mode];
2899   int ystep_title = getMenuTextStep(spacing_title, font_title);
2900   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2901   int ystart2 = ystart1 + ystep_title;
2902   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2903
2904   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2905
2906   FadeOut(REDRAW_FIELD);
2907
2908   ClearField();
2909   DrawHeadline();
2910
2911   DrawTextSCentered(ystart1, font_title, text_title);
2912   DrawTextSCentered(ystart2, font_error, text_error);
2913
2914   DrawTextSCentered(ybottom, font_foot,
2915                     "Press any key or button for info menu");
2916
2917   FadeIn(REDRAW_FIELD);
2918 }
2919
2920 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2921 {
2922   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2923   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2924   int font_title = MENU_INFO_FONT_TITLE;
2925   int font_foot  = MENU_INFO_FONT_FOOT;
2926   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2927   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2928   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2929   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2930   int ystep = MENU_SCREEN_INFO_YSTEP;
2931   int element, action, direction;
2932   int graphic;
2933   int delay;
2934   int sync_frame;
2935   int i, j;
2936
2937   if (init)
2938   {
2939     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2940       infoscreen_step[i] = infoscreen_frame[i] = 0;
2941
2942     ClearField();
2943     DrawHeadline();
2944
2945     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2946
2947     DrawTextSCentered(ybottom, font_foot,
2948                       "Press any key or button for next page");
2949
2950     FrameCounter = 0;
2951   }
2952
2953   i = j = 0;
2954   while (helpanim_info[j].element != HELPANIM_LIST_END)
2955   {
2956     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2957         i >= max_anims)
2958       break;
2959     else if (i < start)
2960     {
2961       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2962         j++;
2963
2964       j++;
2965       i++;
2966
2967       continue;
2968     }
2969
2970     j += infoscreen_step[i - start];
2971
2972     element = helpanim_info[j].element;
2973     action = helpanim_info[j].action;
2974     direction = helpanim_info[j].direction;
2975
2976     if (element < 0)
2977       element = EL_UNKNOWN;
2978
2979     if (action != -1 && direction != -1)
2980       graphic = el_act_dir2img(element, action, direction);
2981     else if (action != -1)
2982       graphic = el_act2img(element, action);
2983     else if (direction != -1)
2984       graphic = el_dir2img(element, direction);
2985     else
2986       graphic = el2img(element);
2987
2988     delay = helpanim_info[j++].delay;
2989
2990     if (delay == -1)
2991       delay = 1000000;
2992
2993     if (infoscreen_frame[i - start] == 0)
2994     {
2995       sync_frame = 0;
2996       infoscreen_frame[i - start] = delay - 1;
2997     }
2998     else
2999     {
3000       sync_frame = delay - infoscreen_frame[i - start];
3001       infoscreen_frame[i - start]--;
3002     }
3003
3004     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
3005     {
3006       if (!infoscreen_frame[i - start])
3007         infoscreen_step[i - start] = 0;
3008     }
3009     else
3010     {
3011       if (!infoscreen_frame[i - start])
3012         infoscreen_step[i - start]++;
3013       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3014         j++;
3015     }
3016
3017     j++;
3018
3019     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
3020                                TILEX, TILEY);
3021     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
3022                                  graphic, sync_frame, USE_MASKING);
3023
3024     if (init)
3025       DrawInfoScreen_HelpText(element, action, direction, i - start);
3026
3027     i++;
3028   }
3029
3030   redraw_mask |= REDRAW_FIELD;
3031
3032   FrameCounter++;
3033 }
3034
3035 static char *getHelpText(int element, int action, int direction)
3036 {
3037   char token[MAX_LINE_LEN];
3038
3039   strcpy(token, element_info[element].token_name);
3040
3041   if (action != -1)
3042     strcat(token, element_action_info[action].suffix);
3043
3044   if (direction != -1)
3045     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
3046
3047   return getHashEntry(helptext_info, token);
3048 }
3049
3050 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3051 {
3052   int font_nr = FONT_INFO_ELEMENTS;
3053   int font_width = getFontWidth(font_nr);
3054   int font_height = getFontHeight(font_nr);
3055   int yoffset = (TILEX - 2 * font_height) / 2;
3056   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3057   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
3058   int ystep = TILEY + 4;
3059   int pad_left = xstart - SX;
3060   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3061   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3062   int max_lines_per_text = 2;    
3063   char *text = NULL;
3064
3065   if (action != -1 && direction != -1)          // element.action.direction
3066     text = getHelpText(element, action, direction);
3067
3068   if (text == NULL && action != -1)             // element.action
3069     text = getHelpText(element, action, -1);
3070
3071   if (text == NULL && direction != -1)          // element.direction
3072     text = getHelpText(element, -1, direction);
3073
3074   if (text == NULL)                             // base element
3075     text = getHelpText(element, -1, -1);
3076
3077   if (text == NULL)                             // not found
3078     text = "No description available";
3079
3080   if (strlen(text) <= max_chars_per_line)       // only one line of text
3081     ystart += getFontHeight(font_nr) / 2;
3082
3083   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3084                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3085                  TRUE, FALSE, FALSE);
3086 }
3087
3088 static void DrawInfoScreen_TitleScreen(void)
3089 {
3090   SetGameStatus(GAME_MODE_TITLE);
3091
3092   DrawTitleScreen();
3093 }
3094
3095 void HandleInfoScreen_TitleScreen(int button)
3096 {
3097   HandleTitleScreen(0, 0, 0, 0, button);
3098 }
3099
3100 static void DrawInfoScreen_Elements(void)
3101 {
3102   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3103
3104   FadeOut(REDRAW_FIELD);
3105
3106   LoadHelpAnimInfo();
3107   LoadHelpTextInfo();
3108
3109   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3110
3111   FadeIn(REDRAW_FIELD);
3112 }
3113
3114 void HandleInfoScreen_Elements(int button)
3115 {
3116   static unsigned int info_delay = 0;
3117   static int num_anims;
3118   static int num_pages;
3119   static int page;
3120   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3121   int i;
3122
3123   if (button == MB_MENU_INITIALIZE)
3124   {
3125     boolean new_element = TRUE;
3126
3127     num_anims = 0;
3128
3129     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3130     {
3131       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3132         new_element = TRUE;
3133       else if (new_element)
3134       {
3135         num_anims++;
3136         new_element = FALSE;
3137       }
3138     }
3139
3140     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3141     page = 0;
3142   }
3143
3144   if (button == MB_MENU_LEAVE)
3145   {
3146     PlaySound(SND_MENU_ITEM_SELECTING);
3147
3148     info_mode = INFO_MODE_MAIN;
3149     DrawInfoScreen();
3150
3151     return;
3152   }
3153   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3154   {
3155     if (button != MB_MENU_INITIALIZE)
3156     {
3157       PlaySound(SND_MENU_ITEM_SELECTING);
3158
3159       page++;
3160     }
3161
3162     if (page >= num_pages)
3163     {
3164       FadeMenuSoundsAndMusic();
3165
3166       info_mode = INFO_MODE_MAIN;
3167       DrawInfoScreen();
3168
3169       return;
3170     }
3171
3172     if (page > 0)
3173       FadeSetNextScreen();
3174
3175     if (button != MB_MENU_INITIALIZE)
3176       FadeOut(REDRAW_FIELD);
3177
3178     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3179
3180     if (button != MB_MENU_INITIALIZE)
3181       FadeIn(REDRAW_FIELD);
3182   }
3183   else
3184   {
3185     if (DelayReached(&info_delay, GameFrameDelay))
3186       if (page < num_pages)
3187         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3188
3189     PlayMenuSoundIfLoop();
3190   }
3191 }
3192
3193 static void DrawInfoScreen_Music(void)
3194 {
3195   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3196
3197   FadeOut(REDRAW_FIELD);
3198
3199   ClearField();
3200   DrawHeadline();
3201
3202   LoadMusicInfo();
3203
3204   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3205
3206   FadeIn(REDRAW_FIELD);
3207 }
3208
3209 void HandleInfoScreen_Music(int button)
3210 {
3211   static struct MusicFileInfo *list = NULL;
3212   int font_title = MENU_INFO_FONT_TITLE;
3213   int font_head  = MENU_INFO_FONT_HEAD;
3214   int font_text  = MENU_INFO_FONT_TEXT;
3215   int font_foot  = MENU_INFO_FONT_FOOT;
3216   int spacing_title = menu.headline1_spacing_info[info_mode];
3217   int spacing_head  = menu.headline2_spacing_info[info_mode];
3218   int ystep_title = getMenuTextStep(spacing_title, font_title);
3219   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3220   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3221   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3222
3223   if (button == MB_MENU_INITIALIZE)
3224   {
3225     list = music_file_info;
3226
3227     if (list == NULL)
3228     {
3229       FadeMenuSoundsAndMusic();
3230
3231       ClearField();
3232       DrawHeadline();
3233
3234       DrawTextSCentered(ystart, font_title,
3235                         "No music info for this level set.");
3236
3237       DrawTextSCentered(ybottom, font_foot,
3238                         "Press any key or button for info menu");
3239
3240       return;
3241     }
3242   }
3243
3244   if (button == MB_MENU_LEAVE)
3245   {
3246     PlaySound(SND_MENU_ITEM_SELECTING);
3247
3248     FadeMenuSoundsAndMusic();
3249
3250     info_mode = INFO_MODE_MAIN;
3251     DrawInfoScreen();
3252
3253     return;
3254   }
3255   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3256   {
3257     if (button != MB_MENU_INITIALIZE)
3258     {
3259       PlaySound(SND_MENU_ITEM_SELECTING);
3260
3261       if (list != NULL)
3262         list = list->next;
3263     }
3264
3265     if (list == NULL)
3266     {
3267       FadeMenuSoundsAndMusic();
3268
3269       info_mode = INFO_MODE_MAIN;
3270       DrawInfoScreen();
3271
3272       return;
3273     }
3274
3275     FadeMenuSoundsAndMusic();
3276
3277     if (list != music_file_info)
3278       FadeSetNextScreen();
3279
3280     if (button != MB_MENU_INITIALIZE)
3281       FadeOut(REDRAW_FIELD);
3282
3283     ClearField();
3284     DrawHeadline();
3285
3286     if (list->is_sound)
3287     {
3288       int sound = list->music;
3289
3290       if (IS_LOOP_SOUND(sound))
3291         PlaySoundLoop(sound);
3292       else
3293         PlaySound(sound);
3294
3295       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3296     }
3297     else
3298     {
3299       int music = list->music;
3300
3301       if (IS_LOOP_MUSIC(music))
3302         PlayMusicLoop(music);
3303       else
3304         PlayMusic(music);
3305
3306       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3307     }
3308
3309     ystart += ystep_title;
3310
3311     if (!strEqual(list->title, UNKNOWN_NAME))
3312     {
3313       if (!strEqual(list->title_header, UNKNOWN_NAME))
3314       {
3315         DrawTextSCentered(ystart, font_head, list->title_header);
3316         ystart += ystep_head;
3317       }
3318
3319       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3320       ystart += ystep_head;
3321     }
3322
3323     if (!strEqual(list->artist, UNKNOWN_NAME))
3324     {
3325       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3326         DrawTextSCentered(ystart, font_head, list->artist_header);
3327       else
3328         DrawTextSCentered(ystart, font_head, "by");
3329
3330       ystart += ystep_head;
3331
3332       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3333       ystart += ystep_head;
3334     }
3335
3336     if (!strEqual(list->album, UNKNOWN_NAME))
3337     {
3338       if (!strEqual(list->album_header, UNKNOWN_NAME))
3339         DrawTextSCentered(ystart, font_head, list->album_header);
3340       else
3341         DrawTextSCentered(ystart, font_head, "from the album");
3342
3343       ystart += ystep_head;
3344
3345       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3346       ystart += ystep_head;
3347     }
3348
3349     if (!strEqual(list->year, UNKNOWN_NAME))
3350     {
3351       if (!strEqual(list->year_header, UNKNOWN_NAME))
3352         DrawTextSCentered(ystart, font_head, list->year_header);
3353       else
3354         DrawTextSCentered(ystart, font_head, "from the year");
3355
3356       ystart += ystep_head;
3357
3358       DrawTextFCentered(ystart, font_text, "%s", list->year);
3359       ystart += ystep_head;
3360     }
3361
3362     DrawTextSCentered(ybottom, FONT_TEXT_4,
3363                       "Press any key or button for next page");
3364
3365     if (button != MB_MENU_INITIALIZE)
3366       FadeIn(REDRAW_FIELD);
3367   }
3368
3369   if (list != NULL && list->is_sound && IS_LOOP_SOUND(list->music))
3370     PlaySoundLoop(list->music);
3371 }
3372
3373 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3374 {
3375   int font_title = MENU_INFO_FONT_TITLE;
3376   int font_head  = MENU_INFO_FONT_HEAD;
3377   int font_text  = MENU_INFO_FONT_TEXT;
3378   int font_foot  = MENU_INFO_FONT_FOOT;
3379   int spacing_title = menu.headline1_spacing_info[info_mode];
3380   int spacing_head  = menu.headline2_spacing_info[info_mode];
3381   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3382   int spacing_line  = menu.line_spacing_info[info_mode];
3383   int ystep_title = getMenuTextStep(spacing_title, font_title);
3384   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3385   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3386   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3387   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3388   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3389
3390   ClearField();
3391   DrawHeadline();
3392
3393   DrawTextSCentered(ystart, font_title, "Credits:");
3394   ystart += ystep_title;
3395
3396   if (screen_nr == 0)
3397   {
3398     DrawTextSCentered(ystart, font_head,
3399                       "Special thanks to");
3400     ystart += ystep_head;
3401     DrawTextSCentered(ystart, font_text,
3402                       "Peter Liepa");
3403     ystart += ystep_head;
3404     DrawTextSCentered(ystart, font_head,
3405                       "for creating");
3406     ystart += ystep_head;
3407     DrawTextSCentered(ystart, font_text,
3408                       "\"Boulder Dash\"");
3409     ystart += ystep_head;
3410     DrawTextSCentered(ystart, font_head,
3411                       "in the year");
3412     ystart += ystep_head;
3413     DrawTextSCentered(ystart, font_text,
3414                       "1984");
3415     ystart += ystep_head;
3416     DrawTextSCentered(ystart, font_head,
3417                       "published by");
3418     ystart += ystep_head;
3419     DrawTextSCentered(ystart, font_text,
3420                       "First Star Software");
3421   }
3422   else if (screen_nr == 1)
3423   {
3424     DrawTextSCentered(ystart, font_head,
3425                       "Special thanks to");
3426     ystart += ystep_head;
3427     DrawTextSCentered(ystart, font_text,
3428                       "Klaus Heinz & Volker Wertich");
3429     ystart += ystep_head;
3430     DrawTextSCentered(ystart, font_head,
3431                       "for creating");
3432     ystart += ystep_head;
3433     DrawTextSCentered(ystart, font_text,
3434                       "\"Emerald Mine\"");
3435     ystart += ystep_head;
3436     DrawTextSCentered(ystart, font_head,
3437                       "in the year");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_text,
3440                       "1987");
3441     ystart += ystep_head;
3442     DrawTextSCentered(ystart, font_head,
3443                       "published by");
3444     ystart += ystep_head;
3445     DrawTextSCentered(ystart, font_text,
3446                       "Kingsoft");
3447   }
3448   else if (screen_nr == 2)
3449   {
3450     DrawTextSCentered(ystart, font_head,
3451                       "Special thanks to");
3452     ystart += ystep_head;
3453     DrawTextSCentered(ystart, font_text,
3454                       "Michael Stopp & Philip Jespersen");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_head,
3457                       "for creating");
3458     ystart += ystep_head;
3459     DrawTextSCentered(ystart, font_text,
3460                       "\"Supaplex\"");
3461     ystart += ystep_head;
3462     DrawTextSCentered(ystart, font_head,
3463                       "in the year");
3464     ystart += ystep_head;
3465     DrawTextSCentered(ystart, font_text,
3466                       "1991");
3467     ystart += ystep_head;
3468     DrawTextSCentered(ystart, font_head,
3469                       "published by");
3470     ystart += ystep_head;
3471     DrawTextSCentered(ystart, font_text,
3472                       "Digital Integration");
3473   }
3474   else if (screen_nr == 3)
3475   {
3476     DrawTextSCentered(ystart, font_head,
3477                       "Special thanks to");
3478     ystart += ystep_head;
3479     DrawTextSCentered(ystart, font_text,
3480                       "Hiroyuki Imabayashi");
3481     ystart += ystep_head;
3482     DrawTextSCentered(ystart, font_head,
3483                       "for creating");
3484     ystart += ystep_head;
3485     DrawTextSCentered(ystart, font_text,
3486                       "\"Sokoban\"");
3487     ystart += ystep_head;
3488     DrawTextSCentered(ystart, font_head,
3489                       "in the year");
3490     ystart += ystep_head;
3491     DrawTextSCentered(ystart, font_text,
3492                       "1982");
3493     ystart += ystep_head;
3494     DrawTextSCentered(ystart, font_head,
3495                       "published by");
3496     ystart += ystep_head;
3497     DrawTextSCentered(ystart, font_text,
3498                       "Thinking Rabbit");
3499   }
3500   else if (screen_nr == 4)
3501   {
3502     DrawTextSCentered(ystart, font_head,
3503                       "Special thanks to");
3504     ystart += ystep_head;
3505     DrawTextSCentered(ystart, font_text,
3506                       "Alan Bond");
3507     ystart += ystep_head;
3508     DrawTextSCentered(ystart, font_head,
3509                       "and");
3510     ystart += ystep_head;
3511     DrawTextSCentered(ystart, font_text,
3512                       "J\xfcrgen Bonhagen");
3513     ystart += ystep_head;
3514     DrawTextSCentered(ystart, font_head,
3515                       "for the continuous creation");
3516     ystart += ystep_line;
3517     DrawTextSCentered(ystart, font_head,
3518                       "of outstanding level sets");
3519   }
3520   else if (screen_nr == 5)
3521   {
3522     DrawTextSCentered(ystart, font_head,
3523                       "Thanks to");
3524     ystart += ystep_head;
3525     DrawTextSCentered(ystart, font_text,
3526                       "Peter Elzner");
3527     ystart += ystep_head;
3528     DrawTextSCentered(ystart, font_head,
3529                       "for ideas and inspiration by");
3530     ystart += ystep_head;
3531     DrawTextSCentered(ystart, font_text,
3532                       "Diamond Caves");
3533     ystart += ystep_para;
3534
3535     DrawTextSCentered(ystart, font_head,
3536                       "Thanks to");
3537     ystart += ystep_head;
3538     DrawTextSCentered(ystart, font_text,
3539                       "Steffest");
3540     ystart += ystep_head;
3541     DrawTextSCentered(ystart, font_head,
3542                       "for ideas and inspiration by");
3543     ystart += ystep_head;
3544     DrawTextSCentered(ystart, font_text,
3545                       "DX-Boulderdash");
3546   }
3547   else if (screen_nr == 6)
3548   {
3549     DrawTextSCentered(ystart, font_head,
3550                       "Thanks to");
3551     ystart += ystep_head;
3552     DrawTextSCentered(ystart, font_text,
3553                       "David Tritscher");
3554     ystart += ystep_head;
3555     DrawTextSCentered(ystart, font_head,
3556                       "for the code base used for the");
3557     ystart += ystep_line;
3558     DrawTextSCentered(ystart, font_head,
3559                       "native Emerald Mine engine");
3560   }
3561   else if (screen_nr == 7)
3562   {
3563     DrawTextSCentered(ystart, font_head,
3564                       "Thanks to");
3565     ystart += ystep_head;
3566     DrawTextSCentered(ystart, font_text,
3567                       "Guido Schulz");
3568     ystart += ystep_head;
3569     DrawTextSCentered(ystart, font_head,
3570                       "for the initial DOS port");
3571     ystart += ystep_para;
3572
3573     DrawTextSCentered(ystart, font_head,
3574                       "Thanks to");
3575     ystart += ystep_head;
3576     DrawTextSCentered(ystart, font_text,
3577                       "Karl H\xf6rnell");
3578     ystart += ystep_head;
3579     DrawTextSCentered(ystart, font_head,
3580                       "for some additional toons");
3581   }
3582   else if (screen_nr == 8)
3583   {
3584     DrawTextSCentered(ystart, font_head,
3585                       "And not to forget:");
3586     ystart += ystep_head;
3587     DrawTextSCentered(ystart, font_head,
3588                       "Many thanks to");
3589     ystart += ystep_head;
3590     DrawTextSCentered(ystart, font_text,
3591                       "All those who contributed");
3592     ystart += ystep_line;
3593     DrawTextSCentered(ystart, font_text,
3594                       "levels to this game");
3595     ystart += ystep_line;
3596     DrawTextSCentered(ystart, font_text,
3597                       "since 1995");
3598   }
3599
3600   DrawTextSCentered(ybottom, font_foot,
3601                     "Press any key or button for next page");
3602 }
3603
3604 static void DrawInfoScreen_Credits(void)
3605 {
3606   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3607
3608   FadeMenuSoundsAndMusic();
3609
3610   FadeOut(REDRAW_FIELD);
3611
3612   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3613
3614   FadeIn(REDRAW_FIELD);
3615 }
3616
3617 void HandleInfoScreen_Credits(int button)
3618 {
3619   static int screen_nr = 0;
3620   int num_screens = 9;
3621
3622   if (button == MB_MENU_INITIALIZE)
3623   {
3624     screen_nr = 0;
3625
3626     // DrawInfoScreen_CreditsScreen(screen_nr);
3627   }
3628
3629   if (button == MB_MENU_LEAVE)
3630   {
3631     PlaySound(SND_MENU_ITEM_SELECTING);
3632
3633     info_mode = INFO_MODE_MAIN;
3634     DrawInfoScreen();
3635
3636     return;
3637   }
3638   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3639   {
3640     if (button != MB_MENU_INITIALIZE)
3641     {
3642       PlaySound(SND_MENU_ITEM_SELECTING);
3643
3644       screen_nr++;
3645     }
3646
3647     if (screen_nr >= num_screens)
3648     {
3649       FadeMenuSoundsAndMusic();
3650
3651       info_mode = INFO_MODE_MAIN;
3652       DrawInfoScreen();
3653
3654       return;
3655     }
3656
3657     if (screen_nr > 0)
3658       FadeSetNextScreen();
3659
3660     if (button != MB_MENU_INITIALIZE)
3661       FadeOut(REDRAW_FIELD);
3662
3663     DrawInfoScreen_CreditsScreen(screen_nr);
3664
3665     if (button != MB_MENU_INITIALIZE)
3666       FadeIn(REDRAW_FIELD);
3667   }
3668   else
3669   {
3670     PlayMenuSoundIfLoop();
3671   }
3672 }
3673
3674 static void DrawInfoScreen_Program(void)
3675 {
3676   int font_title = MENU_INFO_FONT_TITLE;
3677   int font_head  = MENU_INFO_FONT_HEAD;
3678   int font_text  = MENU_INFO_FONT_TEXT;
3679   int font_foot  = MENU_INFO_FONT_FOOT;
3680   int spacing_title = menu.headline1_spacing_info[info_mode];
3681   int spacing_head  = menu.headline2_spacing_info[info_mode];
3682   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3683   int spacing_line  = menu.line_spacing_info[info_mode];
3684   int ystep_title = getMenuTextStep(spacing_title, font_title);
3685   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3686   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3687   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3688   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3689   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3690
3691   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3692
3693   FadeOut(REDRAW_FIELD);
3694
3695   ClearField();
3696   DrawHeadline();
3697
3698   DrawTextSCentered(ystart, font_title, "Program Information:");
3699   ystart += ystep_title;
3700
3701   DrawTextSCentered(ystart, font_head,
3702                     "This game is Freeware!");
3703   ystart += ystep_head;
3704   DrawTextSCentered(ystart, font_head,
3705                     "If you like it, send e-mail to:");
3706   ystart += ystep_head;
3707   DrawTextSCentered(ystart, font_text,
3708                     setup.internal.program_email);
3709   ystart += ystep_para;
3710
3711   DrawTextSCentered(ystart, font_head,
3712                     "More information and levels:");
3713   ystart += ystep_head;
3714   DrawTextSCentered(ystart, font_text,
3715                     setup.internal.program_website);
3716   ystart += ystep_para;
3717
3718   DrawTextSCentered(ystart, font_head,
3719                     "If you have created new levels,");
3720   ystart += ystep_line;
3721   DrawTextSCentered(ystart, font_head,
3722                     "send them to me to include them!");
3723   ystart += ystep_head;
3724   DrawTextSCentered(ystart, font_head,
3725                     ":-)");
3726
3727   DrawTextSCentered(ybottom, font_foot,
3728                     "Press any key or button for info menu");
3729
3730   FadeIn(REDRAW_FIELD);
3731 }
3732
3733 void HandleInfoScreen_Program(int button)
3734 {
3735   if (button == MB_MENU_LEAVE)
3736   {
3737     PlaySound(SND_MENU_ITEM_SELECTING);
3738
3739     info_mode = INFO_MODE_MAIN;
3740     DrawInfoScreen();
3741
3742     return;
3743   }
3744   else if (button == MB_MENU_CHOICE)
3745   {
3746     PlaySound(SND_MENU_ITEM_SELECTING);
3747
3748     FadeMenuSoundsAndMusic();
3749
3750     info_mode = INFO_MODE_MAIN;
3751     DrawInfoScreen();
3752   }
3753   else
3754   {
3755     PlayMenuSoundIfLoop();
3756   }
3757 }
3758
3759 static void DrawInfoScreen_Version(void)
3760 {
3761   int font_title = MENU_INFO_FONT_TITLE;
3762   int font_head  = MENU_INFO_FONT_HEAD;
3763   int font_text  = MENU_INFO_FONT_TEXT;
3764   int font_foot  = MENU_INFO_FONT_FOOT;
3765   int spacing_title = menu.headline1_spacing_info[info_mode];
3766   int spacing_head  = menu.headline2_spacing_info[info_mode];
3767   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3768   int spacing_line  = menu.line_spacing_info[info_mode];
3769   int xstep = getFontWidth(font_text);
3770   int ystep_title = getMenuTextStep(spacing_title, font_title);
3771   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3772   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3773   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3774   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3775   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3776   int xstart1 = mSX - SX + 2 * xstep;
3777   int xstart2 = mSX - SX + 18 * xstep;
3778   int xstart3 = mSX - SX + 28 * xstep;
3779   SDL_version sdl_version_compiled;
3780   const SDL_version *sdl_version_linked;
3781   int driver_name_len = 10;
3782   SDL_version sdl_version_linked_ext;
3783   const char *driver_name = NULL;
3784
3785   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3786
3787   FadeOut(REDRAW_FIELD);
3788
3789   ClearField();
3790   DrawHeadline();
3791
3792   DrawTextSCentered(ystart, font_title, "Version Information:");
3793   ystart += ystep_title;
3794
3795   DrawTextF(xstart1, ystart, font_head, "Name");
3796   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3797   ystart += ystep_line;
3798
3799   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3800   {
3801     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3802     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3803     ystart += ystep_line;
3804
3805     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3806     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3807     ystart += ystep_line;
3808   }
3809   else
3810   {
3811     DrawTextF(xstart1, ystart, font_head, "Version");
3812     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3813     ystart += ystep_line;
3814   }
3815
3816   DrawTextF(xstart1, ystart, font_head, "Platform");
3817   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3818             PLATFORM_STRING,
3819             PLATFORM_XX_BIT_STRING);
3820   ystart += ystep_line;
3821
3822   DrawTextF(xstart1, ystart, font_head, "Target");
3823   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3824   ystart += ystep_line;
3825
3826   DrawTextF(xstart1, ystart, font_head, "Source date");
3827   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3828   ystart += ystep_line;
3829
3830   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3831   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3832   ystart += ystep_para;
3833
3834   DrawTextF(xstart1, ystart, font_head, "Library");
3835   DrawTextF(xstart2, ystart, font_head, "compiled");
3836   DrawTextF(xstart3, ystart, font_head, "linked");
3837   ystart += ystep_head;
3838
3839   SDL_VERSION(&sdl_version_compiled);
3840   SDL_GetVersion(&sdl_version_linked_ext);
3841   sdl_version_linked = &sdl_version_linked_ext;
3842
3843   DrawTextF(xstart1, ystart, font_text, "SDL");
3844   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3845             sdl_version_compiled.major,
3846             sdl_version_compiled.minor,
3847             sdl_version_compiled.patch);
3848   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3849             sdl_version_linked->major,
3850             sdl_version_linked->minor,
3851             sdl_version_linked->patch);
3852   ystart += ystep_line;
3853
3854   SDL_IMAGE_VERSION(&sdl_version_compiled);
3855   sdl_version_linked = IMG_Linked_Version();
3856
3857   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3858   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3859             sdl_version_compiled.major,
3860             sdl_version_compiled.minor,
3861             sdl_version_compiled.patch);
3862   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3863             sdl_version_linked->major,
3864             sdl_version_linked->minor,
3865             sdl_version_linked->patch);
3866   ystart += ystep_line;
3867
3868   SDL_MIXER_VERSION(&sdl_version_compiled);
3869   sdl_version_linked = Mix_Linked_Version();
3870
3871   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3872   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3873             sdl_version_compiled.major,
3874             sdl_version_compiled.minor,
3875             sdl_version_compiled.patch);
3876   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3877             sdl_version_linked->major,
3878             sdl_version_linked->minor,
3879             sdl_version_linked->patch);
3880   ystart += ystep_line;
3881
3882   SDL_NET_VERSION(&sdl_version_compiled);
3883   sdl_version_linked = SDLNet_Linked_Version();
3884
3885   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3886   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3887             sdl_version_compiled.major,
3888             sdl_version_compiled.minor,
3889             sdl_version_compiled.patch);
3890   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3891             sdl_version_linked->major,
3892             sdl_version_linked->minor,
3893             sdl_version_linked->patch);
3894   ystart += ystep_para;
3895
3896   DrawTextF(xstart1, ystart, font_head, "Driver");
3897   DrawTextF(xstart2, ystart, font_head, "Requested");
3898   DrawTextF(xstart3, ystart, font_head, "Used");
3899   ystart += ystep_head;
3900
3901   driver_name =
3902     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3903
3904   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3905   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3906   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3907   ystart += ystep_line;
3908
3909   driver_name =
3910     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3911
3912   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3913   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3914   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3915   ystart += ystep_line;
3916
3917   driver_name =
3918     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3919
3920   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3921   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3922   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3923
3924   DrawTextSCentered(ybottom, font_foot,
3925                     "Press any key or button for info menu");
3926
3927   FadeIn(REDRAW_FIELD);
3928 }
3929
3930 void HandleInfoScreen_Version(int button)
3931 {
3932   if (button == MB_MENU_LEAVE)
3933   {
3934     PlaySound(SND_MENU_ITEM_SELECTING);
3935
3936     info_mode = INFO_MODE_MAIN;
3937     DrawInfoScreen();
3938
3939     return;
3940   }
3941   else if (button == MB_MENU_CHOICE)
3942   {
3943     PlaySound(SND_MENU_ITEM_SELECTING);
3944
3945     FadeMenuSoundsAndMusic();
3946
3947     info_mode = INFO_MODE_MAIN;
3948     DrawInfoScreen();
3949   }
3950   else
3951   {
3952     PlayMenuSoundIfLoop();
3953   }
3954 }
3955
3956 static void DrawInfoScreen_LevelSet(void)
3957 {
3958   struct TitleMessageInfo *tmi = &readme;
3959   char *filename = getLevelSetInfoFilename();
3960   char *title = "Level Set Information:";
3961   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3962   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3963
3964   if (filename == NULL)
3965   {
3966     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3967
3968     return;
3969   }
3970
3971   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3972
3973   FadeOut(REDRAW_FIELD);
3974
3975   ClearField();
3976   DrawHeadline();
3977
3978   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3979
3980   // if x position set to "-1", automatically determine by playfield width
3981   if (tmi->x == -1)
3982     tmi->x = SXSIZE / 2;
3983
3984   // if y position set to "-1", use static default value
3985   if (tmi->y == -1)
3986     tmi->y = 150;
3987
3988   // if width set to "-1", automatically determine by playfield width
3989   if (tmi->width == -1)
3990     tmi->width = SXSIZE - 2 * TILEX;
3991
3992   // if height set to "-1", automatically determine by playfield height
3993   if (tmi->height == -1)
3994     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3995
3996   // if chars set to "-1", automatically determine by text and font width
3997   if (tmi->chars == -1)
3998     tmi->chars = tmi->width / getFontWidth(tmi->font);
3999   else
4000     tmi->width = tmi->chars * getFontWidth(tmi->font);
4001
4002   // if lines set to "-1", automatically determine by text and font height
4003   if (tmi->lines == -1)
4004     tmi->lines = tmi->height / getFontHeight(tmi->font);
4005   else
4006     tmi->height = tmi->lines * getFontHeight(tmi->font);
4007
4008   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
4009                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
4010                tmi->autowrap, tmi->centered, tmi->parse_comments);
4011
4012   DrawTextSCentered(ybottom, FONT_TEXT_4,
4013                     "Press any key or button for info menu");
4014
4015   FadeIn(REDRAW_FIELD);
4016 }
4017
4018 static void HandleInfoScreen_LevelSet(int button)
4019 {
4020   if (button == MB_MENU_LEAVE)
4021   {
4022     PlaySound(SND_MENU_ITEM_SELECTING);
4023
4024     info_mode = INFO_MODE_MAIN;
4025     DrawInfoScreen();
4026
4027     return;
4028   }
4029   else if (button == MB_MENU_CHOICE)
4030   {
4031     PlaySound(SND_MENU_ITEM_SELECTING);
4032
4033     FadeMenuSoundsAndMusic();
4034
4035     info_mode = INFO_MODE_MAIN;
4036     DrawInfoScreen();
4037   }
4038   else
4039   {
4040     PlayMenuSoundIfLoop();
4041   }
4042 }
4043
4044 static void DrawInfoScreen(void)
4045 {
4046   if (info_mode == INFO_MODE_TITLE)
4047     DrawInfoScreen_TitleScreen();
4048   else if (info_mode == INFO_MODE_ELEMENTS)
4049     DrawInfoScreen_Elements();
4050   else if (info_mode == INFO_MODE_MUSIC)
4051     DrawInfoScreen_Music();
4052   else if (info_mode == INFO_MODE_CREDITS)
4053     DrawInfoScreen_Credits();
4054   else if (info_mode == INFO_MODE_PROGRAM)
4055     DrawInfoScreen_Program();
4056   else if (info_mode == INFO_MODE_VERSION)
4057     DrawInfoScreen_Version();
4058   else if (info_mode == INFO_MODE_LEVELSET)
4059     DrawInfoScreen_LevelSet();
4060   else
4061     DrawInfoScreen_Main();
4062
4063   if (info_mode != INFO_MODE_MAIN &&
4064       info_mode != INFO_MODE_TITLE &&
4065       info_mode != INFO_MODE_MUSIC)
4066     PlayMenuSoundsAndMusic();
4067 }
4068
4069 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4070 {
4071   if (info_mode == INFO_MODE_TITLE)
4072     HandleInfoScreen_TitleScreen(button);
4073   else if (info_mode == INFO_MODE_ELEMENTS)
4074     HandleInfoScreen_Elements(button);
4075   else if (info_mode == INFO_MODE_MUSIC)
4076     HandleInfoScreen_Music(button);
4077   else if (info_mode == INFO_MODE_CREDITS)
4078     HandleInfoScreen_Credits(button);
4079   else if (info_mode == INFO_MODE_PROGRAM)
4080     HandleInfoScreen_Program(button);
4081   else if (info_mode == INFO_MODE_VERSION)
4082     HandleInfoScreen_Version(button);
4083   else if (info_mode == INFO_MODE_LEVELSET)
4084     HandleInfoScreen_LevelSet(button);
4085   else
4086     HandleInfoScreen_Main(mx, my, dx, dy, button);
4087 }
4088
4089
4090 // ============================================================================
4091 // rename player API functions
4092 // ============================================================================
4093
4094 struct ApiRenamePlayerThreadData
4095 {
4096   char *player_name;
4097   char *player_uuid;
4098 };
4099
4100 static void *CreateThreadData_ApiRenamePlayer(void)
4101 {
4102   struct ApiRenamePlayerThreadData *data =
4103     checked_malloc(sizeof(struct ApiRenamePlayerThreadData));
4104
4105   data->player_name = getStringCopy(setup.player_name);
4106   data->player_uuid = getStringCopy(setup.player_uuid);
4107
4108   return data;
4109 }
4110
4111 static void FreeThreadData_ApiRenamePlayer(void *data_raw)
4112 {
4113   struct ApiRenamePlayerThreadData *data = data_raw;
4114
4115   checked_free(data->player_name);
4116   checked_free(data->player_uuid);
4117   checked_free(data);
4118 }
4119
4120 static boolean SetRequest_ApiRenamePlayer(struct HttpRequest *request,
4121                                           void *data_raw)
4122 {
4123   struct ApiRenamePlayerThreadData *data = data_raw;
4124   char *player_name_raw = data->player_name;
4125   char *player_uuid_raw = data->player_uuid;
4126
4127   request->hostname = setup.api_server_hostname;
4128   request->port     = API_SERVER_PORT;
4129   request->method   = API_SERVER_METHOD;
4130   request->uri      = API_SERVER_URI_RENAME;
4131
4132   char *player_name = getEscapedJSON(player_name_raw);
4133   char *player_uuid = getEscapedJSON(player_uuid_raw);
4134
4135   snprintf(request->body, MAX_HTTP_BODY_SIZE,
4136            "{\n"
4137            "%s"
4138            "  \"game_version\":         \"%s\",\n"
4139            "  \"game_platform\":        \"%s\",\n"
4140            "  \"name\":                 \"%s\",\n"
4141            "  \"uuid\":                 \"%s\"\n"
4142            "}\n",
4143            getPasswordJSON(setup.api_server_password),
4144            getProgramRealVersionString(),
4145            getProgramPlatformString(),
4146            player_name,
4147            player_uuid);
4148
4149   checked_free(player_name);
4150   checked_free(player_uuid);
4151
4152   ConvertHttpRequestBodyToServerEncoding(request);
4153
4154   return TRUE;
4155 }
4156
4157 static void HandleResponse_ApiRenamePlayer(struct HttpResponse *response,
4158                                            void *data_raw)
4159 {
4160   // nothing to do here
4161 }
4162
4163 #if defined(PLATFORM_EMSCRIPTEN)
4164 static void Emscripten_ApiRenamePlayer_Loaded(unsigned handle, void *data_raw,
4165                                               void *buffer, unsigned int size)
4166 {
4167   struct HttpResponse *response = GetHttpResponseFromBuffer(buffer, size);
4168
4169   if (response != NULL)
4170   {
4171     HandleResponse_ApiRenamePlayer(response, data_raw);
4172
4173     checked_free(response);
4174   }
4175   else
4176   {
4177     Error("server response too large to handle (%d bytes)", size);
4178   }
4179
4180   FreeThreadData_ApiRenamePlayer(data_raw);
4181 }
4182
4183 static void Emscripten_ApiRenamePlayer_Failed(unsigned handle, void *data_raw,
4184                                               int code, const char *status)
4185 {
4186   Error("server failed to handle request: %d %s", code, status);
4187
4188   FreeThreadData_ApiRenamePlayer(data_raw);
4189 }
4190
4191 static void Emscripten_ApiRenamePlayer_Progress(unsigned handle, void *data_raw,
4192                                                 int bytes, int size)
4193 {
4194   // nothing to do here
4195 }
4196
4197 static void Emscripten_ApiRenamePlayer_HttpRequest(struct HttpRequest *request,
4198                                                    void *data_raw)
4199 {
4200   if (!SetRequest_ApiRenamePlayer(request, data_raw))
4201   {
4202     FreeThreadData_ApiRenamePlayer(data_raw);
4203
4204     return;
4205   }
4206
4207   emscripten_async_wget2_data(request->uri,
4208                               request->method,
4209                               request->body,
4210                               data_raw,
4211                               TRUE,
4212                               Emscripten_ApiRenamePlayer_Loaded,
4213                               Emscripten_ApiRenamePlayer_Failed,
4214                               Emscripten_ApiRenamePlayer_Progress);
4215 }
4216
4217 #else
4218
4219 static void ApiRenamePlayer_HttpRequestExt(struct HttpRequest *request,
4220                                            struct HttpResponse *response,
4221                                            void *data_raw)
4222 {
4223   if (!SetRequest_ApiRenamePlayer(request, data_raw))
4224     return;
4225
4226   if (!DoHttpRequest(request, response))
4227   {
4228     Error("HTTP request failed: %s", GetHttpError());
4229
4230     return;
4231   }
4232
4233   if (!HTTP_SUCCESS(response->status_code))
4234   {
4235     Error("server failed to handle request: %d %s",
4236           response->status_code,
4237           response->status_text);
4238
4239     return;
4240   }
4241
4242   HandleResponse_ApiRenamePlayer(response, data_raw);
4243 }
4244
4245 static void ApiRenamePlayer_HttpRequest(struct HttpRequest *request,
4246                                     struct HttpResponse *response,
4247                                     void *data_raw)
4248 {
4249   ApiRenamePlayer_HttpRequestExt(request, response, data_raw);
4250
4251   FreeThreadData_ApiRenamePlayer(data_raw);
4252 }
4253 #endif
4254
4255 static int ApiRenamePlayerThread(void *data_raw)
4256 {
4257   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
4258   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
4259
4260   program.api_thread_count++;
4261
4262 #if defined(PLATFORM_EMSCRIPTEN)
4263   Emscripten_ApiRenamePlayer_HttpRequest(request, data_raw);
4264 #else
4265   ApiRenamePlayer_HttpRequest(request, response, data_raw);
4266 #endif
4267
4268   program.api_thread_count--;
4269
4270   checked_free(request);
4271   checked_free(response);
4272
4273   return 0;
4274 }
4275
4276 static void ApiRenamePlayerAsThread(void)
4277 {
4278   struct ApiRenamePlayerThreadData *data = CreateThreadData_ApiRenamePlayer();
4279
4280   ExecuteAsThread(ApiRenamePlayerThread,
4281                   "ApiRenamePlayer", data,
4282                   "rename player on server");
4283 }
4284
4285
4286 // ============================================================================
4287 // reset player UUID API functions
4288 // ============================================================================
4289
4290 struct ApiResetUUIDThreadData
4291 {
4292   char *player_name;
4293   char *player_uuid_old;
4294   char *player_uuid_new;
4295 };
4296
4297 static void *CreateThreadData_ApiResetUUID(char *uuid_new)
4298 {
4299   struct ApiResetUUIDThreadData *data =
4300     checked_malloc(sizeof(struct ApiResetUUIDThreadData));
4301
4302   data->player_name     = getStringCopy(setup.player_name);
4303   data->player_uuid_old = getStringCopy(setup.player_uuid);
4304   data->player_uuid_new = getStringCopy(uuid_new);
4305
4306   return data;
4307 }
4308
4309 static void FreeThreadData_ApiResetUUID(void *data_raw)
4310 {
4311   struct ApiResetUUIDThreadData *data = data_raw;
4312
4313   checked_free(data->player_name);
4314   checked_free(data->player_uuid_old);
4315   checked_free(data->player_uuid_new);
4316   checked_free(data);
4317 }
4318
4319 static boolean SetRequest_ApiResetUUID(struct HttpRequest *request,
4320                                        void *data_raw)
4321 {
4322   struct ApiResetUUIDThreadData *data = data_raw;
4323   char *player_name_raw = data->player_name;
4324   char *player_uuid_old_raw = data->player_uuid_old;
4325   char *player_uuid_new_raw = data->player_uuid_new;
4326
4327   request->hostname = setup.api_server_hostname;
4328   request->port     = API_SERVER_PORT;
4329   request->method   = API_SERVER_METHOD;
4330   request->uri      = API_SERVER_URI_RESETUUID;
4331
4332   char *player_name = getEscapedJSON(player_name_raw);
4333   char *player_uuid_old = getEscapedJSON(player_uuid_old_raw);
4334   char *player_uuid_new = getEscapedJSON(player_uuid_new_raw);
4335
4336   snprintf(request->body, MAX_HTTP_BODY_SIZE,
4337            "{\n"
4338            "%s"
4339            "  \"game_version\":         \"%s\",\n"
4340            "  \"game_platform\":        \"%s\",\n"
4341            "  \"name\":                 \"%s\",\n"
4342            "  \"uuid_old\":             \"%s\",\n"
4343            "  \"uuid_new\":             \"%s\"\n"
4344            "}\n",
4345            getPasswordJSON(setup.api_server_password),
4346            getProgramRealVersionString(),
4347            getProgramPlatformString(),
4348            player_name,
4349            player_uuid_old,
4350            player_uuid_new);
4351
4352   checked_free(player_name);
4353   checked_free(player_uuid_old);
4354   checked_free(player_uuid_new);
4355
4356   ConvertHttpRequestBodyToServerEncoding(request);
4357
4358   return TRUE;
4359 }
4360
4361 static void HandleResponse_ApiResetUUID(struct HttpResponse *response,
4362                                         void *data_raw)
4363 {
4364   struct ApiResetUUIDThreadData *data = data_raw;
4365
4366   // upgrade player UUID in server setup file
4367   setup.player_uuid = getStringCopy(data->player_uuid_new);
4368   setup.player_version = 2;
4369
4370   SaveSetup_ServerSetup();
4371 }
4372
4373 #if defined(PLATFORM_EMSCRIPTEN)
4374 static void Emscripten_ApiResetUUID_Loaded(unsigned handle, void *data_raw,
4375                                            void *buffer, unsigned int size)
4376 {
4377   struct HttpResponse *response = GetHttpResponseFromBuffer(buffer, size);
4378
4379   if (response != NULL)
4380   {
4381     HandleResponse_ApiResetUUID(response, data_raw);
4382
4383     checked_free(response);
4384   }
4385   else
4386   {
4387     Error("server response too large to handle (%d bytes)", size);
4388   }
4389
4390   FreeThreadData_ApiResetUUID(data_raw);
4391 }
4392
4393 static void Emscripten_ApiResetUUID_Failed(unsigned handle, void *data_raw,
4394                                            int code, const char *status)
4395 {
4396   Error("server failed to handle request: %d %s", code, status);
4397
4398   FreeThreadData_ApiResetUUID(data_raw);
4399 }
4400
4401 static void Emscripten_ApiResetUUID_Progress(unsigned handle, void *data_raw,
4402                                              int bytes, int size)
4403 {
4404   // nothing to do here
4405 }
4406
4407 static void Emscripten_ApiResetUUID_HttpRequest(struct HttpRequest *request,
4408                                                 void *data_raw)
4409 {
4410   if (!SetRequest_ApiResetUUID(request, data_raw))
4411   {
4412     FreeThreadData_ApiResetUUID(data_raw);
4413
4414     return;
4415   }
4416
4417   emscripten_async_wget2_data(request->uri,
4418                               request->method,
4419                               request->body,
4420                               data_raw,
4421                               TRUE,
4422                               Emscripten_ApiResetUUID_Loaded,
4423                               Emscripten_ApiResetUUID_Failed,
4424                               Emscripten_ApiResetUUID_Progress);
4425 }
4426
4427 #else
4428
4429 static void ApiResetUUID_HttpRequestExt(struct HttpRequest *request,
4430                                         struct HttpResponse *response,
4431                                         void *data_raw)
4432 {
4433   if (!SetRequest_ApiResetUUID(request, data_raw))
4434     return;
4435
4436   if (!DoHttpRequest(request, response))
4437   {
4438     Error("HTTP request failed: %s", GetHttpError());
4439
4440     return;
4441   }
4442
4443   if (!HTTP_SUCCESS(response->status_code))
4444   {
4445     Error("server failed to handle request: %d %s",
4446           response->status_code,
4447           response->status_text);
4448
4449     return;
4450   }
4451
4452   HandleResponse_ApiResetUUID(response, data_raw);
4453 }
4454
4455 static void ApiResetUUID_HttpRequest(struct HttpRequest *request,
4456                                      struct HttpResponse *response,
4457                                      void *data_raw)
4458 {
4459   ApiResetUUID_HttpRequestExt(request, response, data_raw);
4460
4461   FreeThreadData_ApiResetUUID(data_raw);
4462 }
4463 #endif
4464
4465 static int ApiResetUUIDThread(void *data_raw)
4466 {
4467   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
4468   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
4469
4470   program.api_thread_count++;
4471
4472 #if defined(PLATFORM_EMSCRIPTEN)
4473   Emscripten_ApiResetUUID_HttpRequest(request, data_raw);
4474 #else
4475   ApiResetUUID_HttpRequest(request, response, data_raw);
4476 #endif
4477
4478   program.api_thread_count--;
4479
4480   checked_free(request);
4481   checked_free(response);
4482
4483   return 0;
4484 }
4485
4486 static void ApiResetUUIDAsThread(char *uuid_new)
4487 {
4488   struct ApiResetUUIDThreadData *data = CreateThreadData_ApiResetUUID(uuid_new);
4489
4490   ExecuteAsThread(ApiResetUUIDThread,
4491                   "ApiResetUUID", data,
4492                   "reset UUID on server");
4493 }
4494
4495
4496 // ============================================================================
4497 // type name functions
4498 // ============================================================================
4499
4500 static TreeInfo *type_name_node = NULL;
4501 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4502 static int type_name_nr = 0;
4503
4504 static int getPlayerNameColor(char *name)
4505 {
4506   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4507 }
4508
4509 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4510                               boolean active)
4511 {
4512   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4513   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4514   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4515   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4516   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4517   int font_width = getFontWidth(font_nr);
4518
4519   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4520
4521   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4522
4523   pos->width = strlen(text) * font_width;
4524   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4525
4526   DrawText(sx, sy, text, font_nr);
4527 }
4528
4529 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4530 {
4531   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4532
4533   *pos = *mci->pos_input;
4534
4535   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4536   {
4537     TreeInfo *ti = player_name_current;
4538     int first_entry = ti->cl_first;
4539     int entry_pos = first_entry + ti->cl_cursor;
4540     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4541     int xpos = MENU_SCREEN_START_XPOS;
4542     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4543
4544     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4545     type_name_nr = entry_pos;
4546
4547     strcpy(name, type_name_node->name);
4548
4549     pos->x = xpos * 32;
4550     pos->y = ypos * 32;
4551     pos->width = MAX_PLAYER_NAME_LEN * 32;
4552   }
4553   else
4554   {
4555     type_name_nr = user.nr;
4556
4557     strcpy(name, setup.player_name);
4558   }
4559
4560   strcpy(type_name_last, name);
4561
4562   if (strEqual(name, EMPTY_PLAYER_NAME))
4563     strcpy(name, "");
4564
4565   *xpos = strlen(name);
4566 }
4567
4568 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4569 {
4570   // change name of edited user in global list of user names
4571   setString(&global.user_names[type_name_nr], name);
4572
4573   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4574   {
4575     TreeInfo *node = type_name_node;
4576
4577     // change name of edited user in local menu tree structure
4578     setString(&node->name, name);
4579     setString(&node->name_sorting, name);
4580
4581     node->color = getPlayerNameColor(name);
4582     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4583   }
4584 }
4585
4586 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4587                               boolean changed)
4588 {
4589   boolean reset_setup = strEqual(name, "");
4590   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4591   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4592
4593   if (!changed)
4594     strcpy(name, type_name_last);
4595
4596   if (strEqual(name, ""))
4597     strcpy(name, EMPTY_PLAYER_NAME);
4598
4599   setTypeNameValues_Name(name, pos);
4600
4601   // if player name not changed, no further action required
4602   if (strEqual(name, type_name_last))
4603     return;
4604
4605   // redraw player name before (possibly) opening request dialogs
4606   drawTypeNameText(name, pos, FALSE);
4607
4608   int last_user_nr = user.nr;
4609
4610   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4611   {
4612     // save setup of currently active user (may differ from edited user)
4613     SaveSetup();
4614
4615     // temporarily change active user to edited user
4616     user.nr = type_name_nr;
4617
4618     if (create_user &&
4619         Request("Use current setup values for the new player?", REQ_ASK))
4620     {
4621       // use current setup values for new user, but create new player UUID
4622       setup.player_uuid = getStringCopy(getUUID());
4623     }
4624     else
4625     {
4626       // load setup for existing user (or start with defaults for new user)
4627       LoadSetup();
4628     }
4629   }
4630
4631   char *setup_filename = getSetupFilename();
4632   boolean setup_exists = fileExists(setup_filename);
4633
4634   // change name of edited user in setup structure
4635   strcpy(setup.player_name, name);
4636
4637   // save setup of edited user
4638   SaveSetup();
4639
4640   // change name of edited user on score server
4641   ApiRenamePlayerAsThread();
4642
4643   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4644   {
4645     if (reset_setup)
4646     {
4647       if (Request("Reset setup values for this player?", REQ_ASK))
4648       {
4649         // remove setup config file
4650         unlink(setup_filename);
4651
4652         // set player name to default player name
4653         LoadSetup();
4654
4655         // update player name used by name typing functions
4656         strcpy(name, setup.player_name);
4657
4658         setTypeNameValues_Name(name, pos);
4659       }
4660     }
4661     else if (remove_user && type_name_nr != 0)
4662     {
4663       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4664       {
4665         char *user_dir = getUserGameDataDir();
4666         char *user_dir_removed =
4667           getStringCat3WithSeparator(user_dir, "REMOVED",
4668                                      getCurrentTimestamp(), ".");
4669
4670         if (rename(user_dir, user_dir_removed) != 0)
4671           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4672
4673         checked_free(user_dir_removed);
4674       }
4675     }
4676     else if (create_user && type_name_nr != 0 && !setup_exists)
4677     {
4678       if (Request("Create empty level set for the new player?", REQ_ASK))
4679       {
4680         char *levelset_subdir = getNewUserLevelSubdir();
4681
4682         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4683         {
4684           AddUserLevelSetToLevelInfo(levelset_subdir);
4685
4686           LevelDirTree *leveldir_current_last = leveldir_current;
4687
4688           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4689                                                        levelset_subdir);
4690
4691           // set level number of newly created level set to default value
4692           LoadLevelSetup_SeriesInfo();
4693
4694           // set newly created level set as current level set for new user
4695           SaveLevelSetup_LastSeries();
4696           SaveLevelSetup_SeriesInfo();
4697
4698           leveldir_current = leveldir_current_last;
4699         }
4700         else
4701         {
4702           Request("Creating new level set failed!", REQ_CONFIRM);
4703         }
4704       }
4705     }
4706
4707     // restore currently active user
4708     user.nr = last_user_nr;
4709
4710     // restore setup of currently active user
4711     LoadSetup();
4712
4713     // restore last level set of currently active user
4714     LoadLevelSetup_LastSeries();
4715     LoadLevelSetup_SeriesInfo();
4716   }
4717 }
4718
4719 static void HandleTypeNameExt(boolean initialize, Key key)
4720 {
4721   static struct TextPosInfo pos_name = { 0 };
4722   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4723   static int xpos = 0;
4724   struct TextPosInfo *pos = &pos_name;
4725   char key_char = getValidConfigValueChar(getCharFromKey(key));
4726   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4727   boolean active = TRUE;
4728
4729   if (initialize)
4730   {
4731     getTypeNameValues(name, pos, &xpos);
4732
4733     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4734     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4735
4736     StartTextInput(sx, sy, pos->width, pos->height);
4737   }
4738   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4739   {
4740     name[xpos] = key_char;
4741     name[xpos + 1] = 0;
4742
4743     xpos++;
4744   }
4745   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4746   {
4747     xpos--;
4748
4749     name[xpos] = 0;
4750   }
4751   else if (key == KSYM_Return || key == KSYM_Escape)
4752   {
4753     boolean changed = (key == KSYM_Return);
4754
4755     StopTextInput();
4756
4757     setTypeNameValues(name, pos, changed);
4758
4759     active = FALSE;
4760   }
4761
4762   drawTypeNameText(name, pos, active);
4763
4764   if (!active)
4765   {
4766     SetGameStatus(game_status_last_screen);
4767
4768     if (game_status == GAME_MODE_MAIN)
4769       InitializeMainControls();
4770   }
4771 }
4772
4773 static void DrawTypeName(void)
4774 {
4775   HandleTypeNameExt(TRUE, 0);
4776 }
4777
4778 void HandleTypeName(Key key)
4779 {
4780   HandleTypeNameExt(FALSE, key);
4781 }
4782
4783
4784 // ============================================================================
4785 // tree menu functions
4786 // ============================================================================
4787
4788 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4789 {
4790   if (game_status != GAME_MODE_SETUP ||
4791       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4792     return 0;
4793
4794   int max_text_size = 0;
4795   TreeInfo *node;
4796
4797   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4798     max_text_size = MAX(max_text_size, strlen(node->name));
4799
4800   int num_entries = numTreeInfoInGroup(ti);
4801   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4802   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4803   int text_width = max_text_size * getFontWidth(font_nr);
4804   int button_width = SC_MENUBUTTON_XSIZE;
4805   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4806   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4807   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4808   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4809   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4810   int align_xoffset = MAX(0, align_xoffset_raw);
4811
4812   return align_xoffset;
4813 }
4814
4815 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4816 {
4817   if (game_status != GAME_MODE_SETUP ||
4818       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4819     return 0;
4820
4821   int num_entries = numTreeInfoInGroup(ti);
4822   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4823   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4824   int font_height = getFontHeight(font_nr);
4825   int text_height = font_height * num_page_entries;
4826   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4827   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4828   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4829   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4830   int align_yoffset = MAX(0, align_yoffset_raw);
4831
4832   return align_yoffset;
4833 }
4834
4835 static void DrawChooseTree(TreeInfo **ti_ptr)
4836 {
4837   int fade_mask = REDRAW_FIELD;
4838
4839   if (CheckFadeAll())
4840     fade_mask = REDRAW_ALL;
4841
4842   if (*ti_ptr != NULL && strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4843   {
4844     if (game_status == GAME_MODE_SETUP)
4845     {
4846       execSetupArtwork();
4847     }
4848     else        // GAME_MODE_LEVELS
4849     {
4850       SetGameStatus(GAME_MODE_MAIN);
4851
4852       DrawMainMenu();
4853     }
4854
4855     return;
4856   }
4857
4858   UnmapAllGadgets();
4859
4860   FreeScreenGadgets();
4861   CreateScreenGadgets();
4862
4863   if (game_status != game_status_last_screen)
4864     FadeMenuSoundsAndMusic();
4865
4866   FadeOut(fade_mask);
4867
4868   // needed if different viewport properties defined for this screen
4869   ChangeViewportPropertiesIfNeeded();
4870
4871   if (game_status == GAME_MODE_NAMES)
4872     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4873   else if (game_status == GAME_MODE_LEVELNR)
4874     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4875   else if (game_status == GAME_MODE_LEVELS)
4876     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4877   else if (game_status == GAME_MODE_SCORES)
4878     SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4879
4880   ClearField();
4881
4882   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4883
4884   // map gadgets for high score screen
4885   if (game_status == GAME_MODE_SCORES)
4886     MapScreenMenuGadgets(SCREEN_MASK_SCORES);
4887
4888   MapScreenTreeGadgets(*ti_ptr);
4889
4890   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4891
4892   DrawMaskedBorder(fade_mask);
4893
4894   if (game_status != game_status_last_screen)
4895     PlayMenuSoundsAndMusic();
4896
4897   FadeIn(fade_mask);
4898 }
4899
4900 static int getChooseTreeFont(TreeInfo *node, boolean active)
4901 {
4902   if (game_status == GAME_MODE_SCORES)
4903     return (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4904   else
4905     return MENU_CHOOSE_TREE_FONT(MENU_CHOOSE_TREE_COLOR(node, active));
4906 }
4907
4908 static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
4909 {
4910   int num_entries = numTreeInfoInGroup(ti);
4911   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4912   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4913   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4914   int first_entry = ti->cl_first;
4915   int entry_pos = first_entry + y;
4916   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4917   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4918   int font_nr = getChooseTreeFont(node, active);
4919   int font_xoffset = getFontDrawOffsetX(font_nr);
4920   int xpos = MENU_SCREEN_START_XPOS;
4921   int ypos = MENU_SCREEN_START_YPOS + y;
4922   int startdx = xpos * 32;
4923   int startdy = ypos * 32;
4924   int startx = amSX + startdx;
4925   int starty = amSY + startdy;
4926   int startx_text = startx + font_xoffset;
4927   int endx_text = amSX + screen_width;
4928   int max_text_size = endx_text - startx_text;
4929   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4930   char buffer[max_buffer_len + 1];
4931
4932   if (game_status == GAME_MODE_SCORES && !node->parent_link)
4933   {
4934     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4935     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4936     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4937     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4938     int font_size_1 = getFontWidth(font_nr1);
4939     int font_size_3 = getFontWidth(font_nr3);
4940     int font_size_4 = getFontWidth(font_nr4);
4941     int text_size_1 = 4 * font_size_1;
4942     int text_size_4 = 5 * font_size_4;
4943     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
4944     int dx1 = 0;
4945     int dx3 = text_size_1;
4946     int dx4 = screen_width - startdx - 2 * border - text_size_4;
4947     int num_dots = (dx4 - dx3) / font_size_3;
4948     int startx1 = startx + dx1;
4949     int startx3 = startx + dx3;
4950     int startx4 = startx + dx4;
4951     int pos = node->pos;
4952     char *pos_text = getHallOfFameRankText(pos, 3);
4953     int i;
4954
4955     DrawText(startx1, starty, pos_text, font_nr1);
4956
4957     for (i = 0; i < num_dots; i++)
4958       DrawText(startx3 + i * font_size_3, starty, ".", font_nr3);
4959
4960     if (!strEqual(scores.entry[pos].name, EMPTY_PLAYER_NAME))
4961       DrawText(startx3, starty, scores.entry[pos].name, font_nr2);
4962
4963     DrawText(startx4, starty, getHallOfFameScoreText(pos, 5), font_nr4);
4964   }
4965   else
4966   {
4967     strncpy(buffer, node->name, max_buffer_len);
4968     buffer[max_buffer_len] = '\0';
4969
4970     DrawText(startx, starty, buffer, font_nr);
4971   }
4972 }
4973
4974 static void drawChooseTreeHeadExt(int type, char *title_string)
4975 {
4976   int yoffset_sets = MENU_TITLE1_YPOS;
4977   int yoffset_setup = 16;
4978   int yoffset = (type == TREE_TYPE_SCORE_ENTRY ||
4979                  type == TREE_TYPE_LEVEL_DIR ||
4980                  type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4981
4982   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4983 }
4984
4985 static void drawChooseTreeHead(TreeInfo *ti)
4986 {
4987   drawChooseTreeHeadExt(ti->type, ti->infotext);
4988 }
4989
4990 static void drawChooseTreeList(TreeInfo *ti)
4991 {
4992   int first_entry = ti->cl_first;
4993   int num_entries = numTreeInfoInGroup(ti);
4994   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4995   int i;
4996
4997   clearMenuListArea();
4998
4999   for (i = 0; i < num_page_entries; i++)
5000   {
5001     TreeInfo *node, *node_first;
5002     int entry_pos = first_entry + i;
5003
5004     node_first = getTreeInfoFirstGroupEntry(ti);
5005     node = getTreeInfoFromPos(node_first, entry_pos);
5006
5007     drawChooseTreeText(ti, i, FALSE);
5008
5009     if (node->parent_link)
5010       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5011     else if (node->level_group)
5012       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5013     else
5014       initCursor(i, IMG_MENU_BUTTON);
5015
5016     if (game_status == GAME_MODE_SCORES && node->pos == scores.last_added)
5017       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5018
5019     if (game_status == GAME_MODE_NAMES)
5020       drawChooseTreeEdit(i, FALSE);
5021   }
5022
5023   redraw_mask |= REDRAW_FIELD;
5024 }
5025
5026 static void drawChooseTreeInfo(TreeInfo *ti)
5027 {
5028   int entry_pos = ti->cl_first + ti->cl_cursor;
5029   int last_redraw_mask = redraw_mask;
5030   int ypos = MENU_TITLE2_YPOS;
5031   int font_nr = FONT_TITLE_2;
5032   int x;
5033
5034   if (ti->type == TREE_TYPE_LEVEL_NR)
5035     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
5036
5037   if (ti->type == TREE_TYPE_SCORE_ENTRY)
5038     DrawTextFCentered(ypos, font_nr, "HighScores of Level %d",
5039                       scores.last_level_nr);
5040
5041   if (ti->type != TREE_TYPE_LEVEL_DIR)
5042     return;
5043
5044   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
5045   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
5046
5047   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
5048
5049   if (node->parent_link)
5050     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
5051                       node->node_parent->name);
5052   else if (node->level_group)
5053     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
5054                       node->name);
5055   else if (ti->type == TREE_TYPE_LEVEL_DIR)
5056     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
5057                       node->levels, (node->levels > 1 ? "levels" : "level"),
5058                       node->class_desc);
5059
5060   // let BackToFront() redraw only what is needed
5061   redraw_mask = last_redraw_mask;
5062   for (x = 0; x < SCR_FIELDX; x++)
5063     MarkTileDirty(x, 1);
5064 }
5065
5066 static void drawChooseTreeCursorAndText(TreeInfo *ti, boolean active)
5067 {
5068   drawChooseTreeCursor(ti->cl_cursor, active);
5069   drawChooseTreeText(ti, ti->cl_cursor, active);
5070 }
5071
5072 static void drawChooseTreeScreen(TreeInfo *ti)
5073 {
5074   drawChooseTreeHead(ti);
5075   drawChooseTreeList(ti);
5076   drawChooseTreeInfo(ti);
5077   drawChooseTreeCursorAndText(ti, TRUE);
5078
5079   AdjustChooseTreeScrollbar(ti, SCREEN_CTRL_ID_SCROLL_VERTICAL);
5080
5081   // scroll bar and buttons may just have been added after reloading scores
5082   if (game_status == GAME_MODE_SCORES)
5083     MapScreenTreeGadgets(ti);
5084 }
5085
5086 static void drawChooseTreeScreen_Scores_NotAvailable(void)
5087 {
5088   // dirty workaround to use spacing definitions from info screen
5089   info_mode = INFO_MODE_TITLE;
5090
5091   char *text_info = "HighScores of Level %d";
5092   char *text_title = "Score information:";
5093   char *text_error = "No scores for this level.";
5094   char *text_foot = "Press any key or button for main menu";
5095   int font_info = FONT_TITLE_2;
5096   int font_title = FONT_INITIAL_3;
5097   int font_error = FONT_INITIAL_4;
5098   int font_foot  = FONT_INITIAL_2;
5099   int spacing_title = menu.headline1_spacing_info[INFO_MODE_TITLE];
5100   int ystep_title = getMenuTextStep(spacing_title, font_title);
5101   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
5102   int ystart2 = ystart1 + ystep_title;
5103   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
5104   int ystart0 = MENU_TITLE2_YPOS;
5105
5106   drawChooseTreeHeadExt(TREE_TYPE_SCORE_ENTRY, INFOTEXT_SCORE_ENTRY);
5107   DrawTextFCentered(ystart0, font_info, text_info, scores.last_level_nr);
5108
5109   DrawTextSCentered(ystart1, font_title, text_title);
5110   DrawTextSCentered(ystart2, font_error, text_error);
5111
5112   DrawTextSCentered(ybottom, font_foot, text_foot);
5113 }
5114
5115 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
5116 {
5117   int score_pos = scores.last_added;
5118
5119   if (game_status_last_screen == GAME_MODE_SCOREINFO)
5120     score_pos = scores.last_entry_nr;
5121
5122   // set current tree entry to last added score entry
5123   *ti_ptr = getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5124
5125   // if that fails, set current tree entry to first entry (back link)
5126   if (*ti_ptr == NULL)
5127     *ti_ptr = score_entries->node_group;
5128
5129   int num_entries = numTreeInfoInGroup(*ti_ptr);
5130   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
5131   int pos_score = getPosFromTreeInfo(*ti_ptr);
5132   int pos_first_raw = pos_score - (num_page_entries + 1) / 2 + 1;
5133   int pos_first = MIN(MAX(0, pos_first_raw), num_entries - num_page_entries);
5134
5135   (*ti_ptr)->cl_first = pos_first;
5136   (*ti_ptr)->cl_cursor = pos_score - pos_first;
5137
5138   return *ti_ptr;
5139 }
5140
5141 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
5142                              TreeInfo **ti_ptr)
5143 {
5144   TreeInfo *ti = *ti_ptr;
5145   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
5146   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
5147   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
5148   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
5149   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
5150   int x = 0;
5151   int y = (ti != NULL ? ti->cl_cursor : 0);
5152   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5153   int num_entries = numTreeInfoInGroup(ti);
5154   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
5155   boolean position_set_by_scrollbar = (dx == 999);
5156   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
5157   boolean button_is_valid = (mx >= 0 && my >= 0);
5158   boolean button_screen_clicked = (button_action && button_is_valid);
5159
5160   if (game_status == GAME_MODE_SCORES)
5161   {
5162     if (server_scores.updated)
5163     {
5164       // reload scores, using updated server score cache file
5165       LoadLocalAndServerScore(scores.last_level_nr, FALSE);
5166
5167       server_scores.updated = FALSE;
5168
5169       DrawHallOfFame_setScoreEntries();
5170
5171       if (score_entries != NULL)
5172       {
5173         ti = setHallOfFameActiveEntry(ti_ptr);
5174
5175         if (button != MB_MENU_INITIALIZE)
5176           drawChooseTreeScreen(ti);
5177       }
5178     }
5179
5180     if (score_entries == NULL)
5181     {
5182       if (button == MB_MENU_INITIALIZE)
5183       {
5184         drawChooseTreeScreen_Scores_NotAvailable();
5185       }
5186       else if (button_screen_clicked)
5187       {
5188         PlaySound(SND_MENU_ITEM_SELECTING);
5189
5190         SetGameStatus(GAME_MODE_MAIN);
5191
5192         DrawMainMenu();
5193       }
5194
5195       return;
5196     }
5197   }
5198
5199   if (button == MB_MENU_INITIALIZE)
5200   {
5201     int num_entries = numTreeInfoInGroup(ti);
5202     int entry_pos = getPosFromTreeInfo(ti);
5203
5204     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
5205     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
5206
5207     if (game_status == GAME_MODE_SCORES)
5208     {
5209       ti = setHallOfFameActiveEntry(ti_ptr);
5210     }
5211     else if (ti->cl_first == -1)
5212     {
5213       // only on initialization
5214       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
5215       ti->cl_cursor = entry_pos - ti->cl_first;
5216
5217     }
5218     else if (ti->cl_cursor >= num_page_entries ||
5219              (num_entries > num_page_entries &&
5220               num_entries - ti->cl_first < num_page_entries))
5221     {
5222       // only after change of list size (by custom graphic configuration)
5223       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
5224       ti->cl_cursor = entry_pos - ti->cl_first;
5225     }
5226
5227     if (position_set_by_scrollbar)
5228       ti->cl_first = dy;
5229
5230     drawChooseTreeScreen(ti);
5231
5232     return;
5233   }
5234   else if (button == MB_MENU_LEAVE)
5235   {
5236     if (game_status != GAME_MODE_SCORES)
5237       FadeSetLeaveMenu();
5238
5239     PlaySound(SND_MENU_ITEM_SELECTING);
5240
5241     if (ti->node_parent)
5242     {
5243       *ti_ptr = ti->node_parent;
5244       DrawChooseTree(ti_ptr);
5245     }
5246     else if (game_status == GAME_MODE_SETUP)
5247     {
5248       if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5249           setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5250           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5251           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5252         execSetupGame();
5253       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5254                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5255                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5256                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5257         execSetupGraphics();
5258       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5259                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5260                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5261         execSetupSound();
5262       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5263                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5264                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5265                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5266                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5267                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5268                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5269                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5270         execSetupTouch();
5271       else
5272         execSetupArtwork();
5273     }
5274     else
5275     {
5276       if (game_status == GAME_MODE_LEVELNR)
5277       {
5278         int new_level_nr = atoi(level_number_current->identifier);
5279
5280         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5281       }
5282
5283       SetGameStatus(GAME_MODE_MAIN);
5284
5285       DrawMainMenu();
5286     }
5287
5288     return;
5289   }
5290
5291   if (mx || my)         // mouse input
5292   {
5293     x = (mx - amSX) / 32;
5294     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
5295
5296     if (game_status == GAME_MODE_NAMES)
5297       drawChooseTreeEdit(ti->cl_cursor, FALSE);
5298   }
5299   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
5300   {
5301     // move cursor instead of scrolling when already at start/end of list
5302     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
5303       dy = -1;
5304     else if (dy == +1 * SCROLL_LINE &&
5305              ti->cl_first + num_page_entries == num_entries)
5306       dy = 1;
5307
5308     // handle scrolling screen one line or page
5309     if (ti->cl_cursor + dy < 0 ||
5310         ti->cl_cursor + dy > num_page_entries - 1)
5311     {
5312       boolean redraw = FALSE;
5313
5314       if (ABS(dy) == SCROLL_PAGE)
5315         step = num_page_entries - 1;
5316
5317       if (dy < 0 && ti->cl_first > 0)
5318       {
5319         // scroll page/line up
5320
5321         ti->cl_first -= step;
5322         if (ti->cl_first < 0)
5323           ti->cl_first = 0;
5324
5325         redraw = TRUE;
5326       }
5327       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
5328       {
5329         // scroll page/line down
5330
5331         ti->cl_first += step;
5332         if (ti->cl_first + num_page_entries > num_entries)
5333           ti->cl_first = MAX(0, num_entries - num_page_entries);
5334
5335         redraw = TRUE;
5336       }
5337
5338       if (redraw)
5339         drawChooseTreeScreen(ti);
5340
5341       return;
5342     }
5343
5344     // handle moving cursor one line
5345     y = ti->cl_cursor + dy;
5346   }
5347
5348   if (game_status == GAME_MODE_SCORES && ABS(dx) == 1)
5349   {
5350     HandleHallOfFame_SelectLevel(1, dx);
5351
5352     return;
5353   }
5354   else if (dx == 1)
5355   {
5356     TreeInfo *node_first, *node_cursor;
5357     int entry_pos = ti->cl_first + y;
5358
5359     node_first = getTreeInfoFirstGroupEntry(ti);
5360     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
5361
5362     if (node_cursor->node_group)
5363     {
5364       FadeSetEnterMenu();
5365
5366       PlaySound(SND_MENU_ITEM_SELECTING);
5367
5368       node_cursor->cl_first = ti->cl_first;
5369       node_cursor->cl_cursor = ti->cl_cursor;
5370       *ti_ptr = node_cursor->node_group;
5371       DrawChooseTree(ti_ptr);
5372
5373       return;
5374     }
5375   }
5376   else if (dx == -1 && ti->node_parent)
5377   {
5378     FadeSetLeaveMenu();
5379
5380     PlaySound(SND_MENU_ITEM_SELECTING);
5381
5382     *ti_ptr = ti->node_parent;
5383     DrawChooseTree(ti_ptr);
5384
5385     return;
5386   }
5387
5388   if (!anyScrollbarGadgetActive() &&
5389       IN_VIS_MENU(x, y) &&
5390       mx < mx_right_border &&
5391       y >= 0 && y < num_page_entries)
5392   {
5393     if (button)
5394     {
5395       if (game_status == GAME_MODE_NAMES)
5396       {
5397         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5398           drawChooseTreeEdit(y, TRUE);
5399       }
5400
5401       if (y != ti->cl_cursor)
5402       {
5403         PlaySound(SND_MENU_ITEM_ACTIVATING);
5404
5405         drawChooseTreeCursorAndText(ti, FALSE);
5406
5407         ti->cl_cursor = y;
5408
5409         drawChooseTreeCursorAndText(ti, TRUE);
5410
5411         drawChooseTreeInfo(ti);
5412       }
5413       else if (dx < 0)
5414       {
5415         if (game_status == GAME_MODE_SETUP)
5416         {
5417           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5418               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5419               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5420               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5421             execSetupGame();
5422           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5423                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5424                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5425                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5426             execSetupGraphics();
5427           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5428                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5429                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5430             execSetupSound();
5431           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5432                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5433                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5434                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5435                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5436                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5437                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5438                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5439             execSetupTouch();
5440           else
5441             execSetupArtwork();
5442         }
5443       }
5444     }
5445     else
5446     {
5447       TreeInfo *node_first, *node_cursor;
5448       int entry_pos = ti->cl_first + y;
5449
5450       PlaySound(SND_MENU_ITEM_SELECTING);
5451
5452       node_first = getTreeInfoFirstGroupEntry(ti);
5453       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
5454
5455       if (node_cursor->node_group)
5456       {
5457         FadeSetEnterMenu();
5458
5459         node_cursor->cl_first = ti->cl_first;
5460         node_cursor->cl_cursor = ti->cl_cursor;
5461         *ti_ptr = node_cursor->node_group;
5462         DrawChooseTree(ti_ptr);
5463       }
5464       else if (node_cursor->parent_link)
5465       {
5466         if (game_status != GAME_MODE_SCORES)
5467           FadeSetLeaveMenu();
5468
5469         *ti_ptr = node_cursor->node_parent;
5470         DrawChooseTree(ti_ptr);
5471       }
5472       else
5473       {
5474         if (game_status != GAME_MODE_SCORES)
5475           FadeSetEnterMenu();
5476
5477         node_cursor->cl_first = ti->cl_first;
5478         node_cursor->cl_cursor = ti->cl_cursor;
5479         *ti_ptr = node_cursor;
5480
5481         if (ti->type == TREE_TYPE_LEVEL_DIR)
5482         {
5483           LoadLevelSetup_SeriesInfo();
5484
5485           SaveLevelSetup_LastSeries();
5486           SaveLevelSetup_SeriesInfo();
5487           TapeErase();
5488         }
5489
5490         if (game_status == GAME_MODE_SETUP)
5491         {
5492           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5493               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5494               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5495               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5496             execSetupGame();
5497           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5498                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5499                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5500                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5501             execSetupGraphics();
5502           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5503                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5504                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5505             execSetupSound();
5506           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5507                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5508                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5509                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5510                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5511                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5512                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5513                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5514             execSetupTouch();
5515           else
5516             execSetupArtwork();
5517         }
5518         else
5519         {
5520           if (game_status == GAME_MODE_LEVELNR)
5521           {
5522             int new_level_nr = atoi(level_number_current->identifier);
5523
5524             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5525           }
5526           else if (game_status == GAME_MODE_LEVELS)
5527           {
5528             // store level set if chosen from "last played level set" menu
5529             StoreLastPlayedLevels(leveldir_current);
5530           }
5531           else if (game_status == GAME_MODE_NAMES)
5532           {
5533             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5534             {
5535               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5536
5537               DrawTypeName();
5538
5539               return;
5540             }
5541
5542             // change active user to selected user
5543             user.nr = entry_pos;
5544
5545             // save number of new active user
5546             SaveUserSetup();
5547
5548             // load setup of new active user
5549             LoadSetup();
5550
5551             // load last level set of new active user
5552             LoadLevelSetup_LastSeries();
5553             LoadLevelSetup_SeriesInfo();
5554
5555             // update list of last played level sets
5556             UpdateLastPlayedLevels_TreeInfo();
5557
5558             TapeErase();
5559
5560             ToggleFullscreenIfNeeded();
5561             ChangeWindowScalingIfNeeded();
5562
5563             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5564             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5565             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5566           }
5567           else if (game_status == GAME_MODE_SCORES)
5568           {
5569             if (game_status_last_screen == GAME_MODE_PLAYING &&
5570                 setup.auto_play_next_level && setup.increment_levels &&
5571                 scores.last_level_nr < leveldir_current->last_level &&
5572                 !network_playing)
5573             {
5574               StartGameActions(network.enabled, setup.autorecord,
5575                                level.random_seed);
5576               return;
5577             }
5578             else
5579             {
5580               SetGameStatus(GAME_MODE_SCOREINFO);
5581
5582               DrawScoreInfo(node_cursor->pos);
5583
5584               return;
5585             }
5586           }
5587
5588           SetGameStatus(GAME_MODE_MAIN);
5589
5590           DrawMainMenu();
5591         }
5592       }
5593     }
5594   }
5595
5596   if (game_status == GAME_MODE_SCORES)
5597     PlayMenuSoundIfLoop();
5598 }
5599
5600 void DrawChoosePlayerName(void)
5601 {
5602   int i;
5603
5604   if (player_name != NULL)
5605   {
5606     freeTreeInfo(player_name);
5607
5608     player_name = NULL;
5609   }
5610
5611   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5612   {
5613     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5614     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5615     int value = i;
5616
5617     ti->node_top = &player_name;
5618     ti->sort_priority = 10000 + value;
5619     ti->color = getPlayerNameColor(global.user_names[i]);
5620
5621     snprintf(identifier, sizeof(identifier), "%d", value);
5622     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5623
5624     setString(&ti->identifier, identifier);
5625     setString(&ti->name, name);
5626     setString(&ti->name_sorting, name);
5627
5628     pushTreeInfo(&player_name, ti);
5629   }
5630
5631   // sort player entries by player number
5632   sortTreeInfo(&player_name);
5633
5634   // set current player entry to selected player entry
5635   player_name_current =
5636     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5637
5638   // if that fails, set current player name to first available name
5639   if (player_name_current == NULL)
5640     player_name_current = player_name;
5641
5642   DrawChooseTree(&player_name_current);
5643 }
5644
5645 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5646 {
5647   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5648 }
5649
5650 void DrawChooseLevelSet(void)
5651 {
5652   DrawChooseTree(&leveldir_current);
5653 }
5654
5655 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5656 {
5657   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5658 }
5659
5660 void DrawChooseLevelNr(void)
5661 {
5662   int i;
5663
5664   if (level_number != NULL)
5665   {
5666     freeTreeInfo(level_number);
5667
5668     level_number = NULL;
5669   }
5670
5671   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5672   {
5673     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5674     char identifier[32], name[64];
5675     int value = i;
5676
5677     // temporarily load level info to get level name
5678     LoadLevelInfoOnly(i);
5679
5680     ti->node_top = &level_number;
5681     ti->sort_priority = 10000 + value;
5682     ti->color = (level.no_level_file ? FC_BLUE :
5683                  LevelStats_getSolved(i) ? FC_GREEN :
5684                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5685
5686     snprintf(identifier, sizeof(identifier), "%d", value);
5687     snprintf(name, sizeof(name), "%03d: %s", value,
5688              (level.no_level_file ? "(no file)" : level.name));
5689
5690     setString(&ti->identifier, identifier);
5691     setString(&ti->name, name);
5692     setString(&ti->name_sorting, name);
5693
5694     pushTreeInfo(&level_number, ti);
5695   }
5696
5697   // sort level number values to start with lowest level number
5698   sortTreeInfo(&level_number);
5699
5700   // set current level number to current level number
5701   level_number_current =
5702     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5703
5704   // if that also fails, set current level number to first available level
5705   if (level_number_current == NULL)
5706     level_number_current = level_number;
5707
5708   DrawChooseTree(&level_number_current);
5709 }
5710
5711 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5712 {
5713   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5714 }
5715
5716 static void DrawHallOfFame_setScoreEntries(void)
5717 {
5718   int score_pos = (scores.last_added >= 0 ? scores.last_added : 0);
5719   int i;
5720
5721   if (score_entries != NULL)
5722   {
5723     freeTreeInfo(score_entries);
5724
5725     score_entries = NULL;
5726   }
5727
5728   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
5729   {
5730     // do not add empty score entries
5731     if (scores.entry[i].score == 0 &&
5732         scores.entry[i].time == 0)
5733       break;
5734
5735     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_SCORE_ENTRY);
5736     char identifier[32], name[64];
5737     int value = i;
5738
5739     ti->node_top = &score_entries;
5740     ti->sort_priority = 10000 + value;
5741     ti->color = FC_YELLOW;
5742     ti->pos = i;
5743
5744     snprintf(identifier, sizeof(identifier), "%d", value);
5745     snprintf(name, sizeof(name), "%03d.", value + 1);
5746
5747     setString(&ti->identifier, identifier);
5748     setString(&ti->name, name);
5749     setString(&ti->name_sorting, name);
5750
5751     pushTreeInfo(&score_entries, ti);
5752   }
5753
5754   // sort score entries to start with highest score entry
5755   sortTreeInfo(&score_entries);
5756
5757   // add top tree node to create back link to main menu
5758   score_entries = addTopTreeInfoNode(score_entries);
5759
5760   // set current score entry to last added or highest score entry
5761   score_entry_current =
5762     getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5763
5764   // if that fails, set current score entry to first valid score entry
5765   if (score_entry_current == NULL)
5766     score_entry_current = getFirstValidTreeInfoEntry(score_entries);
5767
5768   // ("score_entries" and "score_entry_current" may be NULL here)
5769 }
5770
5771 void DrawHallOfFame(int level_nr)
5772 {
5773   scores.last_level_nr = level_nr;
5774
5775   // (this is needed when called from GameEnd() after winning a game)
5776   KeyboardAutoRepeatOn();
5777
5778   // (this is needed when called from GameEnd() after winning a game)
5779   SetDrawDeactivationMask(REDRAW_NONE);
5780   SetDrawBackgroundMask(REDRAW_FIELD);
5781
5782   LoadLocalAndServerScore(level_nr, TRUE);
5783
5784   DrawHallOfFame_setScoreEntries();
5785
5786   if (scores.last_added >= 0)
5787     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5788
5789   FadeSetEnterScreen();
5790
5791   DrawChooseTree(&score_entry_current);
5792 }
5793
5794 static char *getHallOfFameRankText(int nr, int size)
5795 {
5796   static char rank_text[10];
5797   boolean forced = (scores.force_last_added && nr == scores.last_added);
5798   char *rank_text_raw = (forced ? "???" : int2str(nr + 1, size));
5799
5800   sprintf(rank_text, "%s%s", rank_text_raw, (size > 0 || !forced ? "." : ""));
5801
5802   return rank_text;
5803 }
5804
5805 static char *getHallOfFameTimeText(int nr)
5806 {
5807   static char score_text[10];
5808   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5809   int mm = (time_seconds / 60) % 60;
5810   int ss = (time_seconds % 60);
5811
5812   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5813
5814   return score_text;
5815 }
5816
5817 static char *getHallOfFameScoreText(int nr, int size)
5818 {
5819   if (!level.rate_time_over_score)
5820     return int2str(scores.entry[nr].score, size);       // show normal score
5821   else if (level.use_step_counter)
5822     return int2str(scores.entry[nr].time, size);        // show number of steps
5823   else
5824     return getHallOfFameTimeText(nr);                   // show playing time
5825 }
5826
5827 static void HandleHallOfFame_SelectLevel(int step, int direction)
5828 {
5829   int old_level_nr = scores.last_level_nr;
5830   int new_level_nr = old_level_nr + step * direction;
5831
5832   if (new_level_nr < leveldir_current->first_level)
5833     new_level_nr = leveldir_current->first_level;
5834   if (new_level_nr > leveldir_current->last_level)
5835     new_level_nr = leveldir_current->last_level;
5836
5837   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
5838     new_level_nr = leveldir_current->handicap_level;
5839
5840   if (new_level_nr != old_level_nr)
5841   {
5842     PlaySound(SND_MENU_ITEM_SELECTING);
5843
5844     scores.last_level_nr = level_nr = new_level_nr;
5845
5846     LoadLevel(level_nr);
5847     LoadLocalAndServerScore(level_nr, TRUE);
5848
5849     DrawHallOfFame_setScoreEntries();
5850
5851     if (game_status == GAME_MODE_SCORES)
5852     {
5853       // force remapping optional gadgets (especially scroll bar)
5854       UnmapScreenTreeGadgets();
5855
5856       // redraw complete high score screen, as sub-title has changed
5857       ClearField();
5858
5859       // redraw level selection buttons (which have just been erased)
5860       RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5861
5862       HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, &score_entry_current);
5863     }
5864     else
5865     {
5866       scores.last_entry_nr = 0;
5867
5868       DrawScoreInfo_Content(scores.last_entry_nr);
5869     }
5870
5871     SaveLevelSetup_SeriesInfo();
5872   }
5873 }
5874
5875 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5876 {
5877   HandleChooseTree(mx, my, dx, dy, button, &score_entry_current);
5878 }
5879
5880 static void DrawScoreInfo_Content(int entry_nr)
5881 {
5882   struct ScoreEntry *entry = &scores.entry[entry_nr];
5883   char *pos_text = getHallOfFameRankText(entry_nr, 0);
5884   int font_title = MENU_INFO_FONT_TITLE;
5885   int font_head  = MENU_INFO_FONT_HEAD;
5886   int font_text  = MENU_INFO_FONT_TEXT;
5887   int font_foot  = MENU_INFO_FONT_FOOT;
5888   int spacing_title = menu.headline1_spacing[GAME_MODE_SCOREINFO];
5889   int spacing_para  = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
5890   int spacing_line  = menu.line_spacing[GAME_MODE_SCOREINFO];
5891   int xstep = getFontWidth(font_text);
5892   int ystep_title = getMenuTextStep(spacing_title, font_title);
5893   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
5894   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
5895   int ystart  = mSY - SY + menu.top_spacing[GAME_MODE_SCOREINFO];
5896   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
5897   int xstart1 = mSX - SX + 2 * xstep;
5898   int xstart2 = mSX - SX + 13 * xstep;
5899   int button_x = SX + xstart1;
5900   int button_y1, button_y2;
5901   int font_width = getFontWidth(font_text);
5902   int font_height = getFontHeight(font_text);
5903   int pad_left = xstart2;
5904   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
5905   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
5906   int max_lines_per_text = 5;
5907   int lines;
5908
5909   ClearField();
5910
5911   // redraw score selection buttons (which have just been erased)
5912   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5913
5914   if (score_entries == NULL)
5915   {
5916     drawChooseTreeScreen_Scores_NotAvailable();
5917
5918     return;
5919   }
5920
5921   drawChooseTreeHead(score_entries);
5922   drawChooseTreeInfo(score_entries);
5923
5924   DrawTextSCentered(ystart, font_title, "Score Information:");
5925   ystart += ystep_title;
5926
5927   DrawTextF(xstart1, ystart, font_head, "Level Set");
5928   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
5929                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5930                           TRUE, FALSE, FALSE);
5931   ystart += ystep_line + (lines > 0 ? lines - 1 : 0) * font_height;
5932
5933   DrawTextF(xstart1, ystart, font_head, "Level");
5934   lines = DrawTextBufferS(xstart2, ystart, level.name, font_text,
5935                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5936                           TRUE, FALSE, FALSE);
5937   ystart += ystep_para + (lines > 0 ? lines - 1 : 0) * font_height;
5938
5939   button_y1 = SY + ystart;
5940   ystart += graphic_info[IMG_MENU_BUTTON_PREV_SCORE].height;
5941
5942   DrawTextF(xstart1, ystart, font_head, "Rank");
5943   DrawTextF(xstart2, ystart, font_text, pos_text);
5944   ystart += ystep_line;
5945
5946   DrawTextF(xstart1, ystart, font_head, "Player");
5947   DrawTextF(xstart2, ystart, font_text, entry->name);
5948   ystart += ystep_line;
5949
5950   if (level.use_step_counter)
5951   {
5952     DrawTextF(xstart1, ystart, font_head, "Steps");
5953     DrawTextF(xstart2, ystart, font_text, int2str(entry->time, 5));
5954     ystart += ystep_line;
5955   }
5956   else
5957   {
5958     DrawTextF(xstart1, ystart, font_head, "Time");
5959     DrawTextF(xstart2, ystart, font_text, getHallOfFameTimeText(entry_nr));
5960     ystart += ystep_line;
5961   }
5962
5963   if (!level.rate_time_over_score || entry->score > 0)
5964   {
5965     DrawTextF(xstart1, ystart, font_head, "Score");
5966     DrawTextF(xstart2, ystart, font_text, int2str(entry->score, 5));
5967     ystart += ystep_line;
5968   }
5969
5970   ystart += ystep_line;
5971
5972   DrawTextF(xstart1, ystart, font_head, "Tape Date");
5973   DrawTextF(xstart2, ystart, font_text, entry->tape_date);
5974   ystart += ystep_line;
5975
5976   DrawTextF(xstart1, ystart, font_head, "Platform");
5977   DrawTextF(xstart2, ystart, font_text, entry->platform);
5978   ystart += ystep_line;
5979
5980   DrawTextF(xstart1, ystart, font_head, "Version");
5981   DrawTextF(xstart2, ystart, font_text, entry->version);
5982   ystart += ystep_line;
5983
5984   DrawTextF(xstart1, ystart, font_head, "Country");
5985   lines = DrawTextBufferS(xstart2, ystart, entry->country_name, font_text,
5986                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5987                           TRUE, FALSE, FALSE);
5988   ystart += ystep_line;
5989
5990   button_y2 = SY + ystart;
5991
5992   DrawTextSCentered(ybottom, font_foot, "Press any key or button to go back");
5993
5994   AdjustScoreInfoButtons(button_x, button_y1, button_y2);
5995 }
5996
5997 static void DrawScoreInfo(int entry_nr)
5998 {
5999   scores.last_entry_nr = entry_nr;
6000
6001   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_SCOREINFO);
6002
6003   UnmapAllGadgets();
6004
6005   FadeOut(REDRAW_FIELD);
6006
6007   DrawScoreInfo_Content(entry_nr);
6008
6009   // map gadgets for score info screen
6010   MapScreenMenuGadgets(SCREEN_MASK_SCORES_INFO);
6011
6012   FadeIn(REDRAW_FIELD);
6013 }
6014
6015 static void HandleScoreInfo_SelectScore(int step, int direction)
6016 {
6017   int old_entry_nr = scores.last_entry_nr;
6018   int new_entry_nr = old_entry_nr + step * direction;
6019   int num_nodes = numTreeInfoInGroup(score_entry_current);
6020   int num_entries = num_nodes - 1;      // score nodes only, without back link
6021
6022   if (new_entry_nr < 0)
6023     new_entry_nr = 0;
6024   if (new_entry_nr > num_entries - 1)
6025     new_entry_nr = num_entries - 1;
6026
6027   if (new_entry_nr != old_entry_nr)
6028   {
6029     scores.last_entry_nr = new_entry_nr;
6030
6031     DrawScoreInfo_Content(new_entry_nr);
6032   }
6033 }
6034
6035 void HandleScoreInfo(int mx, int my, int dx, int dy, int button)
6036 {
6037   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
6038   boolean button_is_valid = (mx >= 0 && my >= 0);
6039   boolean button_screen_clicked = (button_action && button_is_valid);
6040
6041   if (server_scores.updated)
6042   {
6043     // reload scores, using updated server score cache file
6044     LoadLocalAndServerScore(scores.last_level_nr, FALSE);
6045
6046     server_scores.updated = FALSE;
6047
6048     DrawHallOfFame_setScoreEntries();
6049
6050     DrawScoreInfo_Content(scores.last_entry_nr);
6051   }
6052
6053   if (button_screen_clicked)
6054   {
6055     PlaySound(SND_MENU_ITEM_SELECTING);
6056
6057     SetGameStatus(GAME_MODE_SCORES);
6058
6059     DrawHallOfFame(level_nr);
6060   }
6061   else if (dx)
6062   {
6063     HandleHallOfFame_SelectLevel(1, SIGN(dx) * (ABS(dx) > 1 ? 10 : 1));
6064   }
6065   else if (dy)
6066   {
6067     HandleScoreInfo_SelectScore(1, SIGN(dy) * (ABS(dy) > 1 ? 10 : 1));
6068   }
6069 }
6070
6071
6072 // ============================================================================
6073 // setup screen functions
6074 // ============================================================================
6075
6076 static struct TokenInfo *setup_info;
6077 static int num_setup_info;      // number of setup entries shown on screen
6078 static int max_setup_info;      // total number of setup entries in list
6079
6080 static char *window_size_text;
6081 static char *scaling_type_text;
6082 static char *rendering_mode_text;
6083 static char *vsync_mode_text;
6084 static char *scroll_delay_text;
6085 static char *snapshot_mode_text;
6086 static char *game_speed_text;
6087 static char *scores_type_text;
6088 static char *network_server_text;
6089 static char *graphics_set_name;
6090 static char *sounds_set_name;
6091 static char *music_set_name;
6092 static char *volume_simple_text;
6093 static char *volume_loops_text;
6094 static char *volume_music_text;
6095 static char *touch_controls_text;
6096 static char *move_distance_text;
6097 static char *drop_distance_text;
6098 static char *transparency_text;
6099 static char *grid_size_text[2][2];
6100
6101 static void execSetupMain(void)
6102 {
6103   setup_mode = SETUP_MODE_MAIN;
6104
6105   DrawSetupScreen();
6106 }
6107
6108 static void execSetupGame_setScoresType(void)
6109 {
6110   if (scores_types == NULL)
6111   {
6112     int i;
6113
6114     for (i = 0; scores_types_list[i].value != NULL; i++)
6115     {
6116       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6117       char identifier[32], name[32];
6118       char *value = scores_types_list[i].value;
6119       char *text = scores_types_list[i].text;
6120
6121       ti->node_top = &scores_types;
6122       ti->sort_priority = i;
6123
6124       sprintf(identifier, "%s", value);
6125       sprintf(name, "%s", text);
6126
6127       setString(&ti->identifier, identifier);
6128       setString(&ti->name, name);
6129       setString(&ti->name_sorting, name);
6130       setString(&ti->infotext, STR_SETUP_CHOOSE_SCORES_TYPE);
6131
6132       pushTreeInfo(&scores_types, ti);
6133     }
6134
6135     // sort scores type values to start with lowest scores type value
6136     sortTreeInfo(&scores_types);
6137
6138     // set current scores type value to configured scores type value
6139     scores_type_current =
6140       getTreeInfoFromIdentifier(scores_types, setup.scores_in_highscore_list);
6141
6142     // if that fails, set current scores type to reliable default value
6143     if (scores_type_current == NULL)
6144       scores_type_current =
6145         getTreeInfoFromIdentifier(scores_types, STR_SCORES_TYPE_DEFAULT);
6146
6147     // if that also fails, set current scores type to first available value
6148     if (scores_type_current == NULL)
6149       scores_type_current = scores_types;
6150   }
6151
6152   setup.scores_in_highscore_list = scores_type_current->identifier;
6153
6154   // needed for displaying scores type text instead of identifier
6155   scores_type_text = scores_type_current->name;
6156 }
6157
6158 static void execSetupGame_setGameSpeeds(boolean update_value)
6159 {
6160   if (setup.game_speed_extended)
6161   {
6162     game_speeds_list = game_speeds_list_extended;
6163     game_speeds      = game_speeds_extended;
6164   }
6165   else
6166   {
6167     game_speeds_list = game_speeds_list_normal;
6168     game_speeds      = game_speeds_normal;
6169   }
6170
6171   if (game_speeds == NULL)
6172   {
6173     int i;
6174
6175     for (i = 0; game_speeds_list[i].value != -1; i++)
6176     {
6177       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6178       char identifier[32], name[32];
6179       int value = game_speeds_list[i].value;
6180       char *text = game_speeds_list[i].text;
6181
6182       ti->node_top = &game_speeds;
6183       ti->sort_priority = 10000 - value;
6184
6185       sprintf(identifier, "%d", value);
6186       sprintf(name, "%s", text);
6187
6188       setString(&ti->identifier, identifier);
6189       setString(&ti->name, name);
6190       setString(&ti->name_sorting, name);
6191       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
6192
6193       pushTreeInfo(&game_speeds, ti);
6194     }
6195
6196     // sort game speed values to start with slowest game speed
6197     sortTreeInfo(&game_speeds);
6198
6199     update_value = TRUE;
6200   }
6201
6202   if (update_value)
6203   {
6204     // set current game speed to configured game speed value
6205     game_speed_current =
6206       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
6207
6208     // if that fails, set current game speed to reliable default value
6209     if (game_speed_current == NULL)
6210       game_speed_current =
6211         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
6212
6213     // if that also fails, set current game speed to first available speed
6214     if (game_speed_current == NULL)
6215       game_speed_current = game_speeds;
6216
6217     if (setup.game_speed_extended)
6218       game_speeds_extended = game_speeds;
6219     else
6220       game_speeds_normal = game_speeds;
6221   }
6222
6223   setup.game_frame_delay = atoi(game_speed_current->identifier);
6224
6225   // needed for displaying game speed text instead of identifier
6226   game_speed_text = game_speed_current->name;
6227 }
6228
6229 static void execSetupGame_setScrollDelays(void)
6230 {
6231   if (scroll_delays == NULL)
6232   {
6233     int i;
6234
6235     for (i = 0; scroll_delays_list[i].value != -1; i++)
6236     {
6237       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6238       char identifier[32], name[32];
6239       int value = scroll_delays_list[i].value;
6240       char *text = scroll_delays_list[i].text;
6241
6242       ti->node_top = &scroll_delays;
6243       ti->sort_priority = value;
6244
6245       sprintf(identifier, "%d", value);
6246       sprintf(name, "%s", text);
6247
6248       setString(&ti->identifier, identifier);
6249       setString(&ti->name, name);
6250       setString(&ti->name_sorting, name);
6251       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
6252
6253       pushTreeInfo(&scroll_delays, ti);
6254     }
6255
6256     // sort scroll delay values to start with lowest scroll delay value
6257     sortTreeInfo(&scroll_delays);
6258
6259     // set current scroll delay value to configured scroll delay value
6260     scroll_delay_current =
6261       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
6262
6263     // if that fails, set current scroll delay to reliable default value
6264     if (scroll_delay_current == NULL)
6265       scroll_delay_current =
6266         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
6267
6268     // if that also fails, set current scroll delay to first available value
6269     if (scroll_delay_current == NULL)
6270       scroll_delay_current = scroll_delays;
6271   }
6272
6273   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
6274
6275   // needed for displaying scroll delay text instead of identifier
6276   scroll_delay_text = scroll_delay_current->name;
6277 }
6278
6279 static void execSetupGame_setSnapshotModes(void)
6280 {
6281   if (snapshot_modes == NULL)
6282   {
6283     int i;
6284
6285     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
6286     {
6287       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6288       char identifier[32], name[32];
6289       char *value = snapshot_modes_list[i].value;
6290       char *text = snapshot_modes_list[i].text;
6291
6292       ti->node_top = &snapshot_modes;
6293       ti->sort_priority = i;
6294
6295       sprintf(identifier, "%s", value);
6296       sprintf(name, "%s", text);
6297
6298       setString(&ti->identifier, identifier);
6299       setString(&ti->name, name);
6300       setString(&ti->name_sorting, name);
6301       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
6302
6303       pushTreeInfo(&snapshot_modes, ti);
6304     }
6305
6306     // sort snapshot mode values to start with lowest snapshot mode value
6307     sortTreeInfo(&snapshot_modes);
6308
6309     // set current snapshot mode value to configured snapshot mode value
6310     snapshot_mode_current =
6311       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
6312
6313     // if that fails, set current snapshot mode to reliable default value
6314     if (snapshot_mode_current == NULL)
6315       snapshot_mode_current =
6316         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
6317
6318     // if that also fails, set current snapshot mode to first available value
6319     if (snapshot_mode_current == NULL)
6320       snapshot_mode_current = snapshot_modes;
6321   }
6322
6323   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
6324
6325   // needed for displaying snapshot mode text instead of identifier
6326   snapshot_mode_text = snapshot_mode_current->name;
6327 }
6328
6329 static void execSetupGame_setNetworkServerText(void)
6330 {
6331   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6332   {
6333     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
6334   }
6335   else
6336   {
6337     strncpy(network_server_hostname, setup.network_server_hostname,
6338             MAX_SETUP_TEXT_INPUT_LEN);
6339     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
6340   }
6341
6342   // needed for displaying network server text instead of identifier
6343   network_server_text = network_server_hostname;
6344 }
6345
6346 static void execSetupGame(void)
6347 {
6348   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
6349
6350   execSetupGame_setGameSpeeds(FALSE);
6351   execSetupGame_setScoresType();
6352   execSetupGame_setScrollDelays();
6353   execSetupGame_setSnapshotModes();
6354
6355   execSetupGame_setNetworkServerText();
6356
6357   if (!setup.provide_uploading_tapes)
6358     setHideSetupEntry(execOfferUploadTapes);
6359
6360   setup_mode = SETUP_MODE_GAME;
6361
6362   DrawSetupScreen();
6363
6364   // check if vsync needs to be disabled for this game speed to work
6365   if (check_vsync_mode)
6366     DisableVsyncIfNeeded();
6367 }
6368
6369 static void execSetupChooseScoresType(void)
6370 {
6371   setup_mode = SETUP_MODE_CHOOSE_SCORES_TYPE;
6372
6373   DrawSetupScreen();
6374 }
6375
6376 static void execSetupChooseGameSpeed(void)
6377 {
6378   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
6379
6380   DrawSetupScreen();
6381 }
6382
6383 static void execSetupChooseScrollDelay(void)
6384 {
6385   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
6386
6387   DrawSetupScreen();
6388 }
6389
6390 static void execSetupChooseSnapshotMode(void)
6391 {
6392   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
6393
6394   DrawSetupScreen();
6395 }
6396
6397 static void execSetupEngines(void)
6398 {
6399   setup_mode = SETUP_MODE_ENGINES;
6400
6401   DrawSetupScreen();
6402 }
6403
6404 static void execSetupEditor(void)
6405 {
6406   setup_mode = SETUP_MODE_EDITOR;
6407
6408   DrawSetupScreen();
6409 }
6410
6411 static void execSetupGraphics_setWindowSizes(boolean update_list)
6412 {
6413   if (window_sizes != NULL && update_list)
6414   {
6415     freeTreeInfo(window_sizes);
6416
6417     window_sizes = NULL;
6418   }
6419
6420   if (window_sizes == NULL)
6421   {
6422     boolean current_window_size_found = FALSE;
6423     int i;
6424
6425     for (i = 0; window_sizes_list[i].value != -1; i++)
6426     {
6427       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6428       char identifier[32], name[32];
6429       int value = window_sizes_list[i].value;
6430       char *text = window_sizes_list[i].text;
6431
6432       ti->node_top = &window_sizes;
6433       ti->sort_priority = value;
6434
6435       sprintf(identifier, "%d", value);
6436       sprintf(name, "%s", text);
6437
6438       setString(&ti->identifier, identifier);
6439       setString(&ti->name, name);
6440       setString(&ti->name_sorting, name);
6441       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6442
6443       pushTreeInfo(&window_sizes, ti);
6444
6445       if (value == setup.window_scaling_percent)
6446         current_window_size_found = TRUE;
6447     }
6448
6449     if (!current_window_size_found)
6450     {
6451       // add entry for non-preset window scaling value
6452
6453       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6454       char identifier[32], name[32];
6455       int value = setup.window_scaling_percent;
6456
6457       ti->node_top = &window_sizes;
6458       ti->sort_priority = value;
6459
6460       sprintf(identifier, "%d", value);
6461       sprintf(name, "%d %% (Current)", value);
6462
6463       setString(&ti->identifier, identifier);
6464       setString(&ti->name, name);
6465       setString(&ti->name_sorting, name);
6466       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6467
6468       pushTreeInfo(&window_sizes, ti);
6469     }
6470
6471     // sort window size values to start with lowest window size value
6472     sortTreeInfo(&window_sizes);
6473
6474     // set current window size value to configured window size value
6475     window_size_current =
6476       getTreeInfoFromIdentifier(window_sizes,
6477                                 i_to_a(setup.window_scaling_percent));
6478
6479     // if that fails, set current window size to reliable default value
6480     if (window_size_current == NULL)
6481       window_size_current =
6482         getTreeInfoFromIdentifier(window_sizes,
6483                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
6484
6485     // if that also fails, set current window size to first available value
6486     if (window_size_current == NULL)
6487       window_size_current = window_sizes;
6488   }
6489
6490   setup.window_scaling_percent = atoi(window_size_current->identifier);
6491
6492   // needed for displaying window size text instead of identifier
6493   window_size_text = window_size_current->name;
6494 }
6495
6496 static void execSetupGraphics_setScalingTypes(void)
6497 {
6498   if (scaling_types == NULL)
6499   {
6500     int i;
6501
6502     for (i = 0; scaling_types_list[i].value != NULL; i++)
6503     {
6504       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6505       char identifier[32], name[32];
6506       char *value = scaling_types_list[i].value;
6507       char *text = scaling_types_list[i].text;
6508
6509       ti->node_top = &scaling_types;
6510       ti->sort_priority = i;
6511
6512       sprintf(identifier, "%s", value);
6513       sprintf(name, "%s", text);
6514
6515       setString(&ti->identifier, identifier);
6516       setString(&ti->name, name);
6517       setString(&ti->name_sorting, name);
6518       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
6519
6520       pushTreeInfo(&scaling_types, ti);
6521     }
6522
6523     // sort scaling type values to start with lowest scaling type value
6524     sortTreeInfo(&scaling_types);
6525
6526     // set current scaling type value to configured scaling type value
6527     scaling_type_current =
6528       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
6529
6530     // if that fails, set current scaling type to reliable default value
6531     if (scaling_type_current == NULL)
6532       scaling_type_current =
6533         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
6534
6535     // if that also fails, set current scaling type to first available value
6536     if (scaling_type_current == NULL)
6537       scaling_type_current = scaling_types;
6538   }
6539
6540   setup.window_scaling_quality = scaling_type_current->identifier;
6541
6542   // needed for displaying scaling type text instead of identifier
6543   scaling_type_text = scaling_type_current->name;
6544 }
6545
6546 static void execSetupGraphics_setRenderingModes(void)
6547 {
6548   if (rendering_modes == NULL)
6549   {
6550     int i;
6551
6552     for (i = 0; rendering_modes_list[i].value != NULL; i++)
6553     {
6554       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6555       char identifier[32], name[32];
6556       char *value = rendering_modes_list[i].value;
6557       char *text = rendering_modes_list[i].text;
6558
6559       ti->node_top = &rendering_modes;
6560       ti->sort_priority = i;
6561
6562       sprintf(identifier, "%s", value);
6563       sprintf(name, "%s", text);
6564
6565       setString(&ti->identifier, identifier);
6566       setString(&ti->name, name);
6567       setString(&ti->name_sorting, name);
6568       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
6569
6570       pushTreeInfo(&rendering_modes, ti);
6571     }
6572
6573     // sort rendering mode values to start with lowest rendering mode value
6574     sortTreeInfo(&rendering_modes);
6575
6576     // set current rendering mode value to configured rendering mode value
6577     rendering_mode_current =
6578       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
6579
6580     // if that fails, set current rendering mode to reliable default value
6581     if (rendering_mode_current == NULL)
6582       rendering_mode_current =
6583         getTreeInfoFromIdentifier(rendering_modes,
6584                                   STR_SPECIAL_RENDERING_DEFAULT);
6585
6586     // if that also fails, set current rendering mode to first available one
6587     if (rendering_mode_current == NULL)
6588       rendering_mode_current = rendering_modes;
6589   }
6590
6591   setup.screen_rendering_mode = rendering_mode_current->identifier;
6592
6593   // needed for displaying rendering mode text instead of identifier
6594   rendering_mode_text = rendering_mode_current->name;
6595 }
6596
6597 static void execSetupGraphics_setVsyncModes(boolean update_value)
6598 {
6599   if (vsync_modes == NULL)
6600   {
6601     int i;
6602
6603     for (i = 0; vsync_modes_list[i].value != NULL; i++)
6604     {
6605       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6606       char identifier[32], name[32];
6607       char *value = vsync_modes_list[i].value;
6608       char *text = vsync_modes_list[i].text;
6609
6610       ti->node_top = &vsync_modes;
6611       ti->sort_priority = i;
6612
6613       sprintf(identifier, "%s", value);
6614       sprintf(name, "%s", text);
6615
6616       setString(&ti->identifier, identifier);
6617       setString(&ti->name, name);
6618       setString(&ti->name_sorting, name);
6619       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
6620
6621       pushTreeInfo(&vsync_modes, ti);
6622     }
6623
6624     // sort vsync mode values to start with lowest vsync mode value
6625     sortTreeInfo(&vsync_modes);
6626
6627     update_value = TRUE;
6628   }
6629
6630   if (update_value)
6631   {
6632     // set current vsync mode value to configured vsync mode value
6633     vsync_mode_current =
6634       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
6635
6636     // if that fails, set current vsync mode to reliable default value
6637     if (vsync_mode_current == NULL)
6638       vsync_mode_current =
6639         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
6640
6641     // if that also fails, set current vsync mode to first available one
6642     if (vsync_mode_current == NULL)
6643       vsync_mode_current = vsync_modes;
6644   }
6645
6646   setup.vsync_mode = vsync_mode_current->identifier;
6647
6648   // needed for displaying vsync mode text instead of identifier
6649   vsync_mode_text = vsync_mode_current->name;
6650 }
6651
6652 static void execSetupGraphics(void)
6653 {
6654   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
6655
6656   // update "setup.window_scaling_percent" from list selection
6657   // (in this case, window scaling was changed on setup screen)
6658   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6659     execSetupGraphics_setWindowSizes(FALSE);
6660
6661   // update "setup.vsync_mode" from list selection
6662   // (in this case, vsync mode was changed on setup screen)
6663   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
6664     execSetupGraphics_setVsyncModes(FALSE);
6665
6666   // update list selection from "setup.window_scaling_percent"
6667   // (window scaling may have changed by resizing the window)
6668   execSetupGraphics_setWindowSizes(TRUE);
6669
6670   // update list selection from "setup.vsync_mode"
6671   // (vsync_mode may have changed by re-creating the renderer)
6672   execSetupGraphics_setVsyncModes(TRUE);
6673
6674   execSetupGraphics_setScalingTypes();
6675   execSetupGraphics_setRenderingModes();
6676
6677   setup_mode = SETUP_MODE_GRAPHICS;
6678
6679   DrawSetupScreen();
6680
6681   // check if game speed is high enough for 60 Hz vsync to work
6682   if (check_game_speed)
6683     ModifyGameSpeedIfNeeded();
6684
6685   // window scaling may have changed at this point
6686   ChangeWindowScalingIfNeeded();
6687
6688   // window scaling quality may have changed at this point
6689   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
6690     SDLSetWindowScalingQuality(setup.window_scaling_quality);
6691
6692   // screen rendering mode may have changed at this point
6693   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
6694
6695   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6696   int video_vsync_mode = video.vsync_mode;
6697
6698   // screen vsync mode may have changed at this point
6699   ChangeVsyncModeIfNeeded();
6700
6701   // check if setting vsync mode to selected value failed
6702   if (setup_vsync_mode != video_vsync_mode &&
6703       setup_vsync_mode != video.vsync_mode)
6704   {
6705     // changing vsync mode to selected value failed -- reset displayed value
6706     execSetupGraphics_setVsyncModes(TRUE);
6707
6708     Request("Setting VSync failed!", REQ_CONFIRM);
6709
6710     DrawSetupScreen();
6711   }
6712 }
6713
6714 static void execSetupChooseWindowSize(void)
6715 {
6716   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6717
6718   DrawSetupScreen();
6719 }
6720
6721 static void execSetupChooseScalingType(void)
6722 {
6723   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6724
6725   DrawSetupScreen();
6726 }
6727
6728 static void execSetupChooseRenderingMode(void)
6729 {
6730   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6731
6732   DrawSetupScreen();
6733 }
6734
6735 static void execSetupChooseVsyncMode(void)
6736 {
6737   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6738
6739   DrawSetupScreen();
6740 }
6741
6742 static void execSetupChooseVolumeSimple(void)
6743 {
6744   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6745
6746   DrawSetupScreen();
6747 }
6748
6749 static void execSetupChooseVolumeLoops(void)
6750 {
6751   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6752
6753   DrawSetupScreen();
6754 }
6755
6756 static void execSetupChooseVolumeMusic(void)
6757 {
6758   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6759
6760   DrawSetupScreen();
6761 }
6762
6763 static void execSetupSound(void)
6764 {
6765   if (volumes_simple == NULL)
6766   {
6767     boolean current_volume_simple_found = FALSE;
6768     int i;
6769
6770     for (i = 0; volumes_list[i].value != -1; i++)
6771     {
6772       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6773       char identifier[32], name[32];
6774       int value = volumes_list[i].value;
6775       char *text = volumes_list[i].text;
6776
6777       ti->node_top = &volumes_simple;
6778       ti->sort_priority = value;
6779
6780       sprintf(identifier, "%d", value);
6781       sprintf(name, "%s", text);
6782
6783       setString(&ti->identifier, identifier);
6784       setString(&ti->name, name);
6785       setString(&ti->name_sorting, name);
6786       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6787
6788       pushTreeInfo(&volumes_simple, ti);
6789
6790       if (value == setup.volume_simple)
6791         current_volume_simple_found = TRUE;
6792     }
6793
6794     if (!current_volume_simple_found)
6795     {
6796       // add entry for non-preset volume value
6797
6798       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6799       char identifier[32], name[32];
6800       int value = setup.volume_simple;
6801
6802       ti->node_top = &volumes_simple;
6803       ti->sort_priority = value;
6804
6805       sprintf(identifier, "%d", value);
6806       sprintf(name, "%d %% (Current)", value);
6807
6808       setString(&ti->identifier, identifier);
6809       setString(&ti->name, name);
6810       setString(&ti->name_sorting, name);
6811       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6812
6813       pushTreeInfo(&volumes_simple, ti);
6814     }
6815
6816     // sort volume values to start with lowest volume value
6817     sortTreeInfo(&volumes_simple);
6818
6819     // set current volume value to configured volume value
6820     volume_simple_current =
6821       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6822
6823     // if that fails, set current volume to reliable default value
6824     if (volume_simple_current == NULL)
6825       volume_simple_current =
6826         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6827
6828     // if that also fails, set current volume to first available value
6829     if (volume_simple_current == NULL)
6830       volume_simple_current = volumes_simple;
6831   }
6832
6833   if (volumes_loops == NULL)
6834   {
6835     boolean current_volume_loops_found = FALSE;
6836     int i;
6837
6838     for (i = 0; volumes_list[i].value != -1; i++)
6839     {
6840       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6841       char identifier[32], name[32];
6842       int value = volumes_list[i].value;
6843       char *text = volumes_list[i].text;
6844
6845       ti->node_top = &volumes_loops;
6846       ti->sort_priority = value;
6847
6848       sprintf(identifier, "%d", value);
6849       sprintf(name, "%s", text);
6850
6851       setString(&ti->identifier, identifier);
6852       setString(&ti->name, name);
6853       setString(&ti->name_sorting, name);
6854       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6855
6856       pushTreeInfo(&volumes_loops, ti);
6857
6858       if (value == setup.volume_loops)
6859         current_volume_loops_found = TRUE;
6860     }
6861
6862     if (!current_volume_loops_found)
6863     {
6864       // add entry for non-preset volume value
6865
6866       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6867       char identifier[32], name[32];
6868       int value = setup.volume_loops;
6869
6870       ti->node_top = &volumes_loops;
6871       ti->sort_priority = value;
6872
6873       sprintf(identifier, "%d", value);
6874       sprintf(name, "%d %% (Current)", value);
6875
6876       setString(&ti->identifier, identifier);
6877       setString(&ti->name, name);
6878       setString(&ti->name_sorting, name);
6879       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6880
6881       pushTreeInfo(&volumes_loops, ti);
6882     }
6883
6884     // sort volume values to start with lowest volume value
6885     sortTreeInfo(&volumes_loops);
6886
6887     // set current volume value to configured volume value
6888     volume_loops_current =
6889       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6890
6891     // if that fails, set current volume to reliable default value
6892     if (volume_loops_current == NULL)
6893       volume_loops_current =
6894         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6895
6896     // if that also fails, set current volume to first available value
6897     if (volume_loops_current == NULL)
6898       volume_loops_current = volumes_loops;
6899   }
6900
6901   if (volumes_music == NULL)
6902   {
6903     boolean current_volume_music_found = FALSE;
6904     int i;
6905
6906     for (i = 0; volumes_list[i].value != -1; i++)
6907     {
6908       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6909       char identifier[32], name[32];
6910       int value = volumes_list[i].value;
6911       char *text = volumes_list[i].text;
6912
6913       ti->node_top = &volumes_music;
6914       ti->sort_priority = value;
6915
6916       sprintf(identifier, "%d", value);
6917       sprintf(name, "%s", text);
6918
6919       setString(&ti->identifier, identifier);
6920       setString(&ti->name, name);
6921       setString(&ti->name_sorting, name);
6922       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6923
6924       pushTreeInfo(&volumes_music, ti);
6925
6926       if (value == setup.volume_music)
6927         current_volume_music_found = TRUE;
6928     }
6929
6930     if (!current_volume_music_found)
6931     {
6932       // add entry for non-preset volume value
6933
6934       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6935       char identifier[32], name[32];
6936       int value = setup.volume_music;
6937
6938       ti->node_top = &volumes_music;
6939       ti->sort_priority = value;
6940
6941       sprintf(identifier, "%d", value);
6942       sprintf(name, "%d %% (Current)", value);
6943
6944       setString(&ti->identifier, identifier);
6945       setString(&ti->name, name);
6946       setString(&ti->name_sorting, name);
6947       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6948
6949       pushTreeInfo(&volumes_music, ti);
6950     }
6951
6952     // sort volume values to start with lowest volume value
6953     sortTreeInfo(&volumes_music);
6954
6955     // set current volume value to configured volume value
6956     volume_music_current =
6957       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6958
6959     // if that fails, set current volume to reliable default value
6960     if (volume_music_current == NULL)
6961       volume_music_current =
6962         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6963
6964     // if that also fails, set current volume to first available value
6965     if (volume_music_current == NULL)
6966       volume_music_current = volumes_music;
6967   }
6968
6969   setup.volume_simple = atoi(volume_simple_current->identifier);
6970   setup.volume_loops  = atoi(volume_loops_current->identifier);
6971   setup.volume_music  = atoi(volume_music_current->identifier);
6972
6973   // needed for displaying volume text instead of identifier
6974   volume_simple_text = volume_simple_current->name;
6975   volume_loops_text = volume_loops_current->name;
6976   volume_music_text = volume_music_current->name;
6977
6978   setup_mode = SETUP_MODE_SOUND;
6979
6980   DrawSetupScreen();
6981 }
6982
6983 static void execSetupChooseTouchControls(void)
6984 {
6985   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6986
6987   DrawSetupScreen();
6988 }
6989
6990 static void execSetupChooseMoveDistance(void)
6991 {
6992   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6993
6994   DrawSetupScreen();
6995 }
6996
6997 static void execSetupChooseDropDistance(void)
6998 {
6999   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
7000
7001   DrawSetupScreen();
7002 }
7003
7004 static void execSetupChooseTransparency(void)
7005 {
7006   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
7007
7008   DrawSetupScreen();
7009 }
7010
7011 static void execSetupChooseGridXSize_0(void)
7012 {
7013   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
7014
7015   DrawSetupScreen();
7016 }
7017
7018 static void execSetupChooseGridYSize_0(void)
7019 {
7020   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
7021
7022   DrawSetupScreen();
7023 }
7024
7025 static void execSetupChooseGridXSize_1(void)
7026 {
7027   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
7028
7029   DrawSetupScreen();
7030 }
7031
7032 static void execSetupChooseGridYSize_1(void)
7033 {
7034   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
7035
7036   DrawSetupScreen();
7037 }
7038
7039 static void execSetupConfigureVirtualButtons(void)
7040 {
7041   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
7042
7043   ConfigureVirtualButtons();
7044
7045   setup_mode = SETUP_MODE_TOUCH;
7046
7047   DrawSetupScreen();
7048 }
7049
7050 static void execSetupTouch(void)
7051 {
7052   int i, j, k;
7053
7054   if (touch_controls == NULL)
7055   {
7056     for (i = 0; touch_controls_list[i].value != NULL; i++)
7057     {
7058       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
7059       char identifier[32], name[32];
7060       char *value = touch_controls_list[i].value;
7061       char *text = touch_controls_list[i].text;
7062
7063       ti->node_top = &touch_controls;
7064       ti->sort_priority = i;
7065
7066       sprintf(identifier, "%s", value);
7067       sprintf(name, "%s", text);
7068
7069       setString(&ti->identifier, identifier);
7070       setString(&ti->name, name);
7071       setString(&ti->name_sorting, name);
7072       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
7073
7074       pushTreeInfo(&touch_controls, ti);
7075     }
7076
7077     // sort touch control values to start with lowest touch control value
7078     sortTreeInfo(&touch_controls);
7079
7080     // set current touch control value to configured touch control value
7081     touch_control_current =
7082       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
7083
7084     // if that fails, set current touch control to reliable default value
7085     if (touch_control_current == NULL)
7086       touch_control_current =
7087         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
7088
7089     // if that also fails, set current touch control to first available value
7090     if (touch_control_current == NULL)
7091       touch_control_current = touch_controls;
7092   }
7093
7094   if (move_distances == NULL)
7095   {
7096     for (i = 0; distances_list[i].value != -1; i++)
7097     {
7098       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
7099       char identifier[32], name[32];
7100       int value = distances_list[i].value;
7101       char *text = distances_list[i].text;
7102
7103       ti->node_top = &move_distances;
7104       ti->sort_priority = value;
7105
7106       sprintf(identifier, "%d", value);
7107       sprintf(name, "%s", text);
7108
7109       setString(&ti->identifier, identifier);
7110       setString(&ti->name, name);
7111       setString(&ti->name_sorting, name);
7112       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
7113
7114       pushTreeInfo(&move_distances, ti);
7115     }
7116
7117     // sort distance values to start with lowest distance value
7118     sortTreeInfo(&move_distances);
7119
7120     // set current distance value to configured distance value
7121     move_distance_current =
7122       getTreeInfoFromIdentifier(move_distances,
7123                                 i_to_a(setup.touch.move_distance));
7124
7125     // if that fails, set current distance to reliable default value
7126     if (move_distance_current == NULL)
7127       move_distance_current =
7128         getTreeInfoFromIdentifier(move_distances,
7129                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
7130
7131     // if that also fails, set current distance to first available value
7132     if (move_distance_current == NULL)
7133       move_distance_current = move_distances;
7134   }
7135
7136   if (drop_distances == NULL)
7137   {
7138     for (i = 0; distances_list[i].value != -1; i++)
7139     {
7140       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
7141       char identifier[32], name[32];
7142       int value = distances_list[i].value;
7143       char *text = distances_list[i].text;
7144
7145       ti->node_top = &drop_distances;
7146       ti->sort_priority = value;
7147
7148       sprintf(identifier, "%d", value);
7149       sprintf(name, "%s", text);
7150
7151       setString(&ti->identifier, identifier);
7152       setString(&ti->name, name);
7153       setString(&ti->name_sorting, name);
7154       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
7155
7156       pushTreeInfo(&drop_distances, ti);
7157     }
7158
7159     // sort distance values to start with lowest distance value
7160     sortTreeInfo(&drop_distances);
7161
7162     // set current distance value to configured distance value
7163     drop_distance_current =
7164       getTreeInfoFromIdentifier(drop_distances,
7165                                 i_to_a(setup.touch.drop_distance));
7166
7167     // if that fails, set current distance to reliable default value
7168     if (drop_distance_current == NULL)
7169       drop_distance_current =
7170         getTreeInfoFromIdentifier(drop_distances,
7171                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
7172
7173     // if that also fails, set current distance to first available value
7174     if (drop_distance_current == NULL)
7175       drop_distance_current = drop_distances;
7176   }
7177
7178   if (transparencies == NULL)
7179   {
7180     for (i = 0; transparencies_list[i].value != -1; i++)
7181     {
7182       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
7183       char identifier[32], name[32];
7184       int value = transparencies_list[i].value;
7185       char *text = transparencies_list[i].text;
7186
7187       ti->node_top = &transparencies;
7188       ti->sort_priority = value;
7189
7190       sprintf(identifier, "%d", value);
7191       sprintf(name, "%s", text);
7192
7193       setString(&ti->identifier, identifier);
7194       setString(&ti->name, name);
7195       setString(&ti->name_sorting, name);
7196       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
7197
7198       pushTreeInfo(&transparencies, ti);
7199     }
7200
7201     // sort transparency values to start with lowest transparency value
7202     sortTreeInfo(&transparencies);
7203
7204     // set current transparency value to configured transparency value
7205     transparency_current =
7206       getTreeInfoFromIdentifier(transparencies,
7207                                 i_to_a(setup.touch.transparency));
7208
7209     // if that fails, set current transparency to reliable default value
7210     if (transparency_current == NULL)
7211       transparency_current =
7212         getTreeInfoFromIdentifier(transparencies,
7213                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
7214
7215     // if that also fails, set current transparency to first available value
7216     if (transparency_current == NULL)
7217       transparency_current = transparencies;
7218   }
7219
7220   for (i = 0; i < 2; i++)
7221   {
7222     for (j = 0; j < 2; j++)
7223     {
7224       if (grid_sizes[i][j] == NULL)
7225       {
7226         for (k = 0; grid_sizes_list[k].value != -1; k++)
7227         {
7228           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
7229           char identifier[32], name[32];
7230           int value = grid_sizes_list[k].value;
7231           char *text = grid_sizes_list[k].text;
7232
7233           ti->node_top = &grid_sizes[i][j];
7234           ti->sort_priority = value;
7235
7236           sprintf(identifier, "%d", value);
7237           sprintf(name, "%s", text);
7238
7239           setString(&ti->identifier, identifier);
7240           setString(&ti->name, name);
7241           setString(&ti->name_sorting, name);
7242           setString(&ti->infotext,
7243                     (i == 0 ?
7244                      (j == 0 ?
7245                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
7246                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
7247                      (j == 0 ?
7248                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
7249                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
7250
7251           pushTreeInfo(&grid_sizes[i][j], ti);
7252         }
7253
7254         // sort grid size values to start with lowest grid size value
7255         sortTreeInfo(&grid_sizes[i][j]);
7256
7257         // set current grid size value to configured grid size value
7258         grid_size_current[i][j] =
7259           getTreeInfoFromIdentifier(grid_sizes[i][j],
7260                                     i_to_a(j == 0 ?
7261                                            setup.touch.grid_xsize[i] :
7262                                            setup.touch.grid_ysize[i]));
7263
7264         // if that fails, set current grid size to reliable default value
7265         if (grid_size_current[i][j] == NULL)
7266           grid_size_current[i][j] =
7267             getTreeInfoFromIdentifier(grid_sizes[i][j],
7268                                       i_to_a(j == 0 ?
7269                                              DEFAULT_GRID_XSIZE(i) :
7270                                              DEFAULT_GRID_YSIZE(i)));
7271
7272         // if that also fails, set current grid size to first available value
7273         if (grid_size_current[i][j] == NULL)
7274           grid_size_current[i][j] = grid_sizes[i][j];
7275       }
7276     }
7277   }
7278
7279   setup.touch.control_type = touch_control_current->identifier;
7280   setup.touch.move_distance = atoi(move_distance_current->identifier);
7281   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
7282   setup.touch.transparency = atoi(transparency_current->identifier);
7283
7284   for (i = 0; i < 2; i++)
7285   {
7286     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
7287     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
7288
7289     if (i == GRID_ACTIVE_NR())
7290     {
7291       overlay.grid_xsize = setup.touch.grid_xsize[i];
7292       overlay.grid_ysize = setup.touch.grid_ysize[i];
7293     }
7294   }
7295
7296   // needed for displaying value text instead of identifier
7297   touch_controls_text = touch_control_current->name;
7298   move_distance_text = move_distance_current->name;
7299   drop_distance_text = drop_distance_current->name;
7300   transparency_text = transparency_current->name;
7301
7302   for (i = 0; i < 2; i++)
7303     for (j = 0; j < 2; j++)
7304       grid_size_text[i][j] = grid_size_current[i][j]->name;
7305
7306   setup_mode = SETUP_MODE_TOUCH;
7307
7308   DrawSetupScreen();
7309 }
7310
7311 static void execSetupArtwork(void)
7312 {
7313   static ArtworkDirTree *gfx_last_valid = NULL;
7314   static ArtworkDirTree *snd_last_valid = NULL;
7315   static ArtworkDirTree *mus_last_valid = NULL;
7316
7317   // current artwork directory may be invalid (level group, parent link)
7318   if (!validLevelSeries(artwork.gfx_current))
7319     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
7320   if (!validLevelSeries(artwork.snd_current))
7321     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
7322   if (!validLevelSeries(artwork.mus_current))
7323     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
7324
7325   // store valid artwork directory information
7326   gfx_last_valid = artwork.gfx_current;
7327   snd_last_valid = artwork.snd_current;
7328   mus_last_valid = artwork.mus_current;
7329
7330 #if 0
7331   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
7332         artwork.gfx_current->subdir,
7333         artwork.gfx_current->fullpath,
7334         artwork.gfx_current->basepath);
7335 #endif
7336
7337   setup.graphics_set = artwork.gfx_current->identifier;
7338   setup.sounds_set = artwork.snd_current->identifier;
7339   setup.music_set = artwork.mus_current->identifier;
7340
7341   // needed if last screen (setup choice) changed graphics, sounds or music
7342   ReloadCustomArtwork(0);
7343
7344   // needed for displaying artwork name instead of artwork identifier
7345   graphics_set_name = artwork.gfx_current->name;
7346   sounds_set_name = artwork.snd_current->name;
7347   music_set_name = artwork.mus_current->name;
7348
7349   setup_mode = SETUP_MODE_ARTWORK;
7350
7351   DrawSetupScreen();
7352 }
7353
7354 static void execSetupChooseGraphics(void)
7355 {
7356   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
7357
7358   DrawSetupScreen();
7359 }
7360
7361 static void execSetupChooseSounds(void)
7362 {
7363   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
7364
7365   DrawSetupScreen();
7366 }
7367
7368 static void execSetupChooseMusic(void)
7369 {
7370   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
7371
7372   DrawSetupScreen();
7373 }
7374
7375 static void execSetupInput(void)
7376 {
7377   setup_mode = SETUP_MODE_INPUT;
7378
7379   DrawSetupScreen();
7380 }
7381
7382 static void execSetupShortcuts(void)
7383 {
7384   setup_mode = SETUP_MODE_SHORTCUTS;
7385
7386   DrawSetupScreen();
7387 }
7388
7389 static void execSetupShortcuts1(void)
7390 {
7391   setup_mode = SETUP_MODE_SHORTCUTS_1;
7392
7393   DrawSetupScreen();
7394 }
7395
7396 static void execSetupShortcuts2(void)
7397 {
7398   setup_mode = SETUP_MODE_SHORTCUTS_2;
7399
7400   DrawSetupScreen();
7401 }
7402
7403 static void execSetupShortcuts3(void)
7404 {
7405   setup_mode = SETUP_MODE_SHORTCUTS_3;
7406
7407   DrawSetupScreen();
7408 }
7409
7410 static void execSetupShortcuts4(void)
7411 {
7412   setup_mode = SETUP_MODE_SHORTCUTS_4;
7413
7414   DrawSetupScreen();
7415 }
7416
7417 static void execSetupShortcuts5(void)
7418 {
7419   setup_mode = SETUP_MODE_SHORTCUTS_5;
7420
7421   DrawSetupScreen();
7422 }
7423
7424 static void execExitSetup(void)
7425 {
7426   SetGameStatus(GAME_MODE_MAIN);
7427
7428   DrawMainMenu();
7429 }
7430
7431 static void execSaveAndExitSetup(void)
7432 {
7433   SaveSetup();
7434   execExitSetup();
7435 }
7436
7437 static void execGadgetNetworkServer(void)
7438 {
7439   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
7440   struct GadgetInfo *gi = screen_gadget[gadget_id];
7441
7442   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
7443     network_server_hostname[0] = '\0';
7444
7445   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
7446
7447   MapGadget(gi);
7448
7449   ClickOnGadget(gi, MB_LEFTBUTTON);
7450 }
7451
7452 static void execOfferUploadTapes(void)
7453 {
7454   OfferUploadTapes();
7455 }
7456
7457 static void ToggleNetworkModeIfNeeded(void)
7458 {
7459   int font_title = FONT_TITLE_1;
7460   int font_foot = FC_BLUE;
7461   int ystart  = mSY - SY + 16;
7462   int ybottom = mSY - SY + SYSIZE - 20;
7463   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
7464
7465   if (setup.network_mode == network.enabled)
7466     return;
7467
7468   network.enabled = setup.network_mode;
7469
7470   FadeOut(REDRAW_ALL);
7471
7472   ClearField();
7473
7474   DrawTextSCentered(ystart, font_title, text);
7475
7476   FadeIn(REDRAW_ALL);
7477
7478   if (network.enabled)
7479     InitNetworkServer();
7480   else
7481     DisconnectFromNetworkServer();
7482
7483   DrawTextSCentered(ybottom, font_foot,
7484                     "Press any key or button for setup menu");
7485
7486   WaitForEventToContinue();
7487
7488   DrawSetupScreen();
7489 }
7490
7491 static void ToggleGameSpeedsListIfNeeded(void)
7492 {
7493   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
7494
7495   if (setup.game_speed_extended == using_game_speeds_extended)
7496     return;
7497
7498   // try to match similar values when changing game speeds list
7499   if (setup.game_speed_extended)
7500     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
7501                               setup.game_frame_delay == 30 ? 29 :
7502                               setup.game_frame_delay);
7503   else
7504     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
7505                               setup.game_frame_delay == 16 ? 15 :
7506                               setup.game_frame_delay >= 29 ? 30 :
7507                               setup.game_frame_delay <= 10 ? 10 :
7508                               setup.game_frame_delay);
7509
7510   execSetupGame_setGameSpeeds(TRUE);
7511
7512   DrawSetupScreen();
7513 }
7514
7515 static void ToggleUseApiServerIfNeeded(void)
7516 {
7517   if (runtime.use_api_server == setup.use_api_server)
7518     return;
7519
7520   runtime.use_api_server = setup.use_api_server;
7521
7522   if (runtime.use_api_server)
7523     CheckApiServerTasks();
7524 }
7525
7526 static void ModifyGameSpeedIfNeeded(void)
7527 {
7528   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7529       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
7530     return;
7531
7532   char message[100];
7533   char *game_speed_text = "Fast";
7534   int game_speed_value = 15;
7535
7536   if (setup.game_speed_extended)
7537   {
7538     game_speed_text = "60 fps";
7539     game_speed_value = 16;
7540   }
7541
7542   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
7543
7544   // set game speed to existing list value that is fast enough for vsync
7545   setup.game_frame_delay = game_speed_value;
7546
7547   execSetupGame_setGameSpeeds(TRUE);
7548
7549   Request(message, REQ_CONFIRM);
7550 }
7551
7552 static void DisableVsyncIfNeeded(void)
7553 {
7554   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7555       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
7556        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
7557     return;
7558
7559   // disable vsync for the selected game speed to work
7560   setup.vsync_mode = STR_VSYNC_MODE_OFF;
7561
7562   execSetupGraphics_setVsyncModes(TRUE);
7563
7564   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
7565 }
7566
7567 static struct
7568 {
7569   void *value;
7570   void *related_value;
7571 } hide_related_entry_list[] =
7572 {
7573   { &setup.scores_in_highscore_list,    execSetupChooseScoresType       },
7574   { &setup.scores_in_highscore_list,    &scores_type_text               },
7575
7576   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
7577   { &setup.game_frame_delay,            &game_speed_text                },
7578
7579   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
7580   { &setup.scroll_delay_value,          &scroll_delay_text              },
7581
7582   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
7583   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
7584
7585   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
7586   { &setup.window_scaling_percent,      &window_size_text               },
7587
7588   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
7589   { &setup.window_scaling_quality,      &scaling_type_text              },
7590
7591   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
7592   { &setup.screen_rendering_mode,       &rendering_mode_text            },
7593
7594   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
7595   { &setup.vsync_mode,                  &vsync_mode_text                },
7596
7597   { &setup.graphics_set,                execSetupChooseGraphics         },
7598   { &setup.graphics_set,                &graphics_set_name              },
7599
7600   { &setup.sounds_set,                  execSetupChooseSounds           },
7601   { &setup.sounds_set,                  &sounds_set_name                },
7602
7603   { &setup.music_set,                   execSetupChooseMusic            },
7604   { &setup.music_set,                   &music_set_name                 },
7605
7606   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
7607   { &setup.volume_simple,               &volume_simple_text             },
7608
7609   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
7610   { &setup.volume_loops,                &volume_loops_text              },
7611
7612   { &setup.volume_music,                execSetupChooseVolumeMusic      },
7613   { &setup.volume_music,                &volume_music_text              },
7614
7615   { &setup.touch.control_type,          execSetupChooseTouchControls    },
7616   { &setup.touch.control_type,          &touch_controls_text            },
7617
7618   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
7619   { &setup.touch.move_distance,         &move_distance_text             },
7620
7621   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
7622   { &setup.touch.drop_distance,         &drop_distance_text             },
7623
7624   { &setup.touch.transparency,          execSetupChooseTransparency     },
7625   { &setup.touch.transparency,          &transparency_text              },
7626
7627   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
7628   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
7629
7630   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
7631   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
7632
7633   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
7634   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
7635
7636   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
7637   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
7638
7639   { &setup.internal.menu_game,          execSetupGame                   },
7640   { &setup.internal.menu_engines,       execSetupEngines                },
7641   { &setup.internal.menu_editor,        execSetupEditor                 },
7642   { &setup.internal.menu_graphics,      execSetupGraphics               },
7643   { &setup.internal.menu_sound,         execSetupSound                  },
7644   { &setup.internal.menu_artwork,       execSetupArtwork                },
7645   { &setup.internal.menu_input,         execSetupInput                  },
7646   { &setup.internal.menu_touch,         execSetupTouch                  },
7647   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
7648   { &setup.internal.menu_exit,          execExitSetup                   },
7649   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
7650
7651   { NULL,                               NULL                            }
7652 };
7653
7654 void setHideRelatedSetupEntries(void)
7655 {
7656   int i;
7657
7658   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
7659     if (hideSetupEntry(hide_related_entry_list[i].value))
7660       setHideSetupEntry(hide_related_entry_list[i].related_value);
7661 }
7662
7663 static struct TokenInfo setup_info_main[] =
7664 {
7665   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
7666   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
7667   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
7668   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
7669   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
7670   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
7671   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
7672   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
7673   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
7674   { TYPE_EMPTY,         NULL,                   ""                      },
7675   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
7676   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
7677
7678   { 0,                  NULL,                   NULL                    }
7679 };
7680
7681 static struct TokenInfo setup_info_game[] =
7682 {
7683   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
7684   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
7685   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
7686   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
7687   { TYPE_STRING,        &network_server_text,   ""                      },
7688   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
7689   { TYPE_ENTER_LIST,    execSetupChooseScoresType,"Scores in Highscore List:" },
7690   { TYPE_STRING,        &scores_type_text,      ""                      },
7691   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload Tapes to Server" },
7692   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
7693   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
7694   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
7695   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
7696   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
7697   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
7698   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
7699   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
7700   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
7701   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
7702   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
7703   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
7704   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
7705   { TYPE_SWITCH,        &setup.auto_pause_on_start, "Start Game in Pause Mode:" },
7706   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
7707   { TYPE_STRING,        &game_speed_text,       ""                      },
7708   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
7709 #if 1
7710   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7711   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7712 #endif
7713   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
7714   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
7715   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
7716   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
7717   { TYPE_EMPTY,         NULL,                   ""                      },
7718   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7719
7720   { 0,                  NULL,                   NULL                    }
7721 };
7722
7723 static struct TokenInfo setup_info_engines[] =
7724 {
7725   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
7726   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
7727   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
7728   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
7729   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
7730   { TYPE_EMPTY,         NULL,                   ""                      },
7731   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
7732   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
7733   { TYPE_EMPTY,         NULL,                   ""                      },
7734   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7735
7736   { 0,                  NULL,                   NULL                    }
7737 };
7738
7739 static struct TokenInfo setup_info_editor[] =
7740 {
7741 #if 0
7742   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
7743   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
7744   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
7745   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
7746   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
7747   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
7748   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
7749   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
7750   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
7751   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
7752 #endif
7753   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
7754   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
7755 #if 0
7756   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
7757 #endif
7758   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
7759   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
7760   { TYPE_EMPTY,         NULL,                   ""                      },
7761 #if 0
7762   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
7763   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
7764   { TYPE_EMPTY,         NULL,                   ""                      },
7765 #endif
7766   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
7767   { TYPE_EMPTY,         NULL,                   ""                      },
7768   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
7769   { TYPE_EMPTY,         NULL,                   ""                      },
7770   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7771
7772   { 0,                  NULL,                   NULL                    }
7773 };
7774
7775 static struct TokenInfo setup_info_graphics[] =
7776 {
7777 #if !defined(PLATFORM_ANDROID)
7778   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7779   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7780   { TYPE_STRING,        &window_size_text,      ""                      },
7781   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7782   { TYPE_STRING,        &scaling_type_text,     ""                      },
7783   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7784   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7785 #endif
7786 #if 0
7787   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7788   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7789 #endif
7790   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7791   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7792   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7793   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7794   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7795   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7796   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7797   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7798   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7799   { TYPE_EMPTY,         NULL,                   ""                      },
7800   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7801
7802   { 0,                  NULL,                   NULL                    }
7803 };
7804
7805 static struct TokenInfo setup_info_sound[] =
7806 {
7807   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7808   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7809   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7810   { TYPE_EMPTY,         NULL,                   ""                      },
7811   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7812   { TYPE_STRING,        &volume_simple_text,    ""                      },
7813   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7814   { TYPE_STRING,        &volume_loops_text,     ""                      },
7815   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7816   { TYPE_STRING,        &volume_music_text,     ""                      },
7817   { TYPE_EMPTY,         NULL,                   ""                      },
7818   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7819
7820   { 0,                  NULL,                   NULL                    }
7821 };
7822
7823 static struct TokenInfo setup_info_artwork[] =
7824 {
7825   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7826   { TYPE_STRING,        &graphics_set_name,     ""                      },
7827   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7828   { TYPE_STRING,        &sounds_set_name,       ""                      },
7829   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7830   { TYPE_STRING,        &music_set_name,        ""                      },
7831   { TYPE_EMPTY,         NULL,                   ""                      },
7832   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7833   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7834   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7835   { TYPE_EMPTY,         NULL,                   ""                      },
7836   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7837
7838   { 0,                  NULL,                   NULL                    }
7839 };
7840
7841 static struct TokenInfo setup_info_input[] =
7842 {
7843   { TYPE_SWITCH,        NULL,                   "Player:"               },
7844   { TYPE_SWITCH,        NULL,                   "Device:"               },
7845   { TYPE_SWITCH,        NULL,                   ""                      },
7846   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7847   { TYPE_EMPTY,         NULL,                   ""                      },
7848   { TYPE_EMPTY,         NULL,                   ""                      },
7849   { TYPE_EMPTY,         NULL,                   ""                      },
7850   { TYPE_EMPTY,         NULL,                   ""                      },
7851   { TYPE_EMPTY,         NULL,                   ""                      },
7852   { TYPE_EMPTY,         NULL,                   ""                      },
7853   { TYPE_EMPTY,         NULL,                   ""                      },
7854   { TYPE_EMPTY,         NULL,                   ""                      },
7855   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7856   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7857
7858   { 0,                  NULL,                   NULL                    }
7859 };
7860
7861 static struct TokenInfo setup_info_touch[] =
7862 {
7863   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7864   { TYPE_STRING,        &touch_controls_text,   ""                      },
7865   { TYPE_EMPTY,         NULL,                   ""                      },
7866   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7867
7868   { 0,                  NULL,                   NULL                    }
7869 };
7870
7871 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7872 {
7873   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7874   { TYPE_STRING,        &touch_controls_text,   ""                      },
7875   { TYPE_EMPTY,         NULL,                   ""                      },
7876   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7877   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7878   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7879   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7880   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7881   { TYPE_STRING,        &transparency_text,     ""                      },
7882   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7883   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7884   { TYPE_EMPTY,         NULL,                   ""                      },
7885   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7886   { TYPE_EMPTY,         NULL,                   ""                      },
7887   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7888
7889   { 0,                  NULL,                   NULL                    }
7890 };
7891
7892 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7893 {
7894   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7895   { TYPE_STRING,        &touch_controls_text,   ""                      },
7896   { TYPE_EMPTY,         NULL,                   ""                      },
7897   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7898   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7899   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7900   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7901   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7902   { TYPE_STRING,        &transparency_text,     ""                      },
7903   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7904   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7905   { TYPE_EMPTY,         NULL,                   ""                      },
7906   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7907   { TYPE_EMPTY,         NULL,                   ""                      },
7908   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7909
7910   { 0,                  NULL,                   NULL                    }
7911 };
7912
7913 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7914 {
7915   setup_info_touch_virtual_buttons_0,
7916   setup_info_touch_virtual_buttons_1
7917 };
7918
7919 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7920 {
7921   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7922   { TYPE_STRING,        &touch_controls_text,   ""                      },
7923   { TYPE_EMPTY,         NULL,                   ""                      },
7924   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7925   { TYPE_STRING,        &move_distance_text,    ""                      },
7926   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7927   { TYPE_STRING,        &drop_distance_text,    ""                      },
7928   { TYPE_EMPTY,         NULL,                   ""                      },
7929   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7930
7931   { 0,                  NULL,                   NULL                    }
7932 };
7933
7934 static struct TokenInfo setup_info_shortcuts[] =
7935 {
7936   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7937   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7938   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7939   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7940   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7941   { TYPE_EMPTY,         NULL,                   ""                      },
7942   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7943
7944   { 0,                  NULL,                   NULL                    }
7945 };
7946
7947 static struct TokenInfo setup_info_shortcuts_1[] =
7948 {
7949   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7950   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7951   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7952   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7953   { TYPE_KEYTEXT,       NULL,           "Restart Game:",                },
7954   { TYPE_KEY,           &setup.shortcut.restart_game, ""                },
7955   { TYPE_KEYTEXT,       NULL,           "Replay & Pause Before End:",   },
7956   { TYPE_KEY,           &setup.shortcut.pause_before_end, ""            },
7957   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7958   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7959   { TYPE_EMPTY,         NULL,                   ""                      },
7960   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7961   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7962   { TYPE_EMPTY,         NULL,                   ""                      },
7963   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7964
7965   { 0,                  NULL,                   NULL                    }
7966 };
7967
7968 static struct TokenInfo setup_info_shortcuts_2[] =
7969 {
7970   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7971   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7972   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7973   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7974   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7975   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7976   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7977   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7978   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7979   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7980   { TYPE_EMPTY,         NULL,                   ""                      },
7981   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7982
7983   { 0,                  NULL,                   NULL                    }
7984 };
7985
7986 static struct TokenInfo setup_info_shortcuts_3[] =
7987 {
7988   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7989   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7990   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7991   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7992   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7993   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7994   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7995   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7996   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7997   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7998   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7999   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
8000   { TYPE_EMPTY,         NULL,                   ""                      },
8001   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
8002
8003   { 0,                  NULL,                   NULL                    }
8004 };
8005
8006 static struct TokenInfo setup_info_shortcuts_4[] =
8007 {
8008   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
8009   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
8010   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
8011   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
8012   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
8013   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
8014   { TYPE_EMPTY,         NULL,                   ""                      },
8015   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
8016
8017   { 0,                  NULL,                   NULL                    }
8018 };
8019
8020 static struct TokenInfo setup_info_shortcuts_5[] =
8021 {
8022   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
8023   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
8024   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
8025   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
8026   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
8027   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
8028   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
8029   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
8030   { TYPE_EMPTY,         NULL,                   ""                      },
8031   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
8032
8033   { 0,                  NULL,                   NULL                    }
8034 };
8035
8036 static Key getSetupKey(void)
8037 {
8038   Key key = KSYM_UNDEFINED;
8039   boolean got_key_event = FALSE;
8040
8041   while (!got_key_event)
8042   {
8043     Event event;
8044
8045     if (NextValidEvent(&event))
8046     {
8047       switch (event.type)
8048       {
8049         case EVENT_KEYPRESS:
8050           {
8051             key = GetEventKey((KeyEvent *)&event, TRUE);
8052
8053             // press 'Escape' or 'Enter' to keep the existing key binding
8054             if (key == KSYM_Escape || key == KSYM_Return)
8055               key = KSYM_UNDEFINED;     // keep old value
8056
8057             got_key_event = TRUE;
8058           }
8059           break;
8060
8061         case EVENT_KEYRELEASE:
8062           key_joystick_mapping = 0;
8063           break;
8064
8065         default:
8066           HandleOtherEvents(&event);
8067           break;
8068       }
8069     }
8070
8071     BackToFront();
8072   }
8073
8074   return key;
8075 }
8076
8077 static int getSetupValueFont(int type, void *value)
8078 {
8079   if (type & TYPE_GHOSTED)
8080     return FONT_OPTION_OFF;
8081   else if (type & TYPE_KEY)
8082     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
8083   else if (type & TYPE_STRING)
8084     return FONT_VALUE_2;
8085   else if (type & TYPE_ECS_AGA)
8086     return FONT_VALUE_1;
8087   else if (type & TYPE_BOOLEAN_STYLE)
8088     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
8089   else if (type & TYPE_YES_NO_AUTO)
8090     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
8091             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
8092   else if (type & TYPE_PLAYER)
8093     return FONT_VALUE_1;
8094   else
8095     return FONT_VALUE_1;
8096 }
8097
8098 static int getSetupValueFontNarrow(int type, int font_nr)
8099 {
8100   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
8101           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
8102           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
8103           font_nr);
8104 }
8105
8106 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
8107 {
8108   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
8109   struct TokenInfo *si = &setup_info[si_pos];
8110   boolean font_draw_xoffset_modified = FALSE;
8111   boolean scrollbar_needed = (num_setup_info < max_setup_info);
8112   int font_draw_xoffset_old = -1;
8113   int xoffset = (scrollbar_needed ? -1 : 0);
8114   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
8115   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
8116   int xpos = menu_screen_value_xpos;
8117   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
8118   int startx = mSX + xpos * 32;
8119   int starty = mSY + ypos * 32;
8120   int type = si->type;
8121   void *value = si->value;
8122   char *value_string = getSetupValue(type, value);
8123   int font_nr_default = getSetupValueFont(type, value);
8124   int font_width_default = getFontWidth(font_nr_default);
8125   int font_nr = font_nr_default;
8126   int i;
8127
8128   if (value_string == NULL)
8129     return;
8130
8131   if (type & TYPE_KEY)
8132   {
8133     xpos = MENU_SCREEN_START_XPOS;
8134
8135     if (type & TYPE_QUERY)
8136       value_string = "<press key>";
8137   }
8138   else if (type & TYPE_STRING)
8139   {
8140     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
8141
8142     xpos = MENU_SCREEN_START_XPOS;
8143
8144     if (strlen(value_string) > max_value_len)
8145       value_string[max_value_len] = '\0';
8146   }
8147   else if (type & TYPE_YES_NO_AUTO)
8148   {
8149     xpos = menu_screen_value_xpos - 1;
8150   }
8151   else if (type & TYPE_PLAYER)
8152   {
8153     int displayed_player_nr = *(int *)value + 1;
8154
8155     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
8156   }
8157
8158   startx = mSX + xpos * 32;
8159   starty = mSY + ypos * 32;
8160
8161   // special check if right-side setup values moved left due to scrollbar
8162   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
8163   {
8164     int max_menu_text_length = 26;      // maximum text length for classic menu
8165     int font_xoffset = getFontDrawOffsetX(font_nr);
8166     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
8167     int text_font_nr = getMenuTextFont(FONT_MENU_2);
8168     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
8169     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
8170
8171     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
8172     {
8173       // when using narrow font, left-shifting text "auto" not needed
8174       if (type & TYPE_YES_NO_AUTO)
8175         xpos += 1;
8176
8177       xpos += 1;
8178       startx = mSX + xpos * 32;
8179
8180       font_nr = getSetupValueFontNarrow(type, font_nr);
8181     }
8182   }
8183
8184   // downward compatibility correction for Juergen Bonhagen's menu settings
8185   if (setup_mode != SETUP_MODE_INPUT)
8186   {
8187     int max_menu_text_length_big = (menu_screen_value_xpos -
8188                                     MENU_SCREEN_START_XPOS);
8189     int max_menu_text_length_medium = max_menu_text_length_big * 2;
8190     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
8191     int font1_xoffset = getFontDrawOffsetX(font_nr);
8192     int font2_xoffset = getFontDrawOffsetX(check_font_nr);
8193     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
8194     int text_font_nr = getMenuTextFont(FONT_MENU_2);
8195     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
8196     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
8197     boolean correct_font_draw_xoffset = FALSE;
8198
8199     if (xpos == MENU_SCREEN_START_XPOS &&
8200         startx + font1_xoffset < text_startx + text_font_xoffset)
8201       correct_font_draw_xoffset = TRUE;
8202
8203     if (xpos == menu_screen_value_xpos &&
8204         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
8205       correct_font_draw_xoffset = TRUE;
8206
8207     // check if setup value would overlap with setup text when printed
8208     // (this can happen for extreme/wrong values for font draw offset)
8209     if (correct_font_draw_xoffset)
8210     {
8211       font_draw_xoffset_old = getFontDrawOffsetX(font_nr);
8212       font_draw_xoffset_modified = TRUE;
8213
8214       if (type & TYPE_KEY)
8215         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
8216       else if (!(type & TYPE_STRING))
8217         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
8218           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
8219     }
8220   }
8221
8222   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
8223     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
8224
8225   DrawText(startx, starty, value_string, font_nr);
8226
8227   if (type & TYPE_PLAYER)
8228   {
8229     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
8230     int player_nr = *(int *)value;
8231     int xoff = font->draw_xoffset + getFontWidth(font_nr);
8232     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
8233     int startx2 = startx + xoff;
8234     int starty2 = starty + yoff;
8235
8236     if (DrawingOnBackground(startx2, starty2))
8237       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
8238
8239     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
8240                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8241   }
8242
8243   if (font_draw_xoffset_modified)
8244     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
8245 }
8246
8247 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
8248 {
8249   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
8250   struct TokenInfo *si = &setup_info[si_pos];
8251
8252   if (si->type & TYPE_BOOLEAN_STYLE)
8253   {
8254     *(boolean *)si->value ^= TRUE;
8255   }
8256   else if (si->type & TYPE_YES_NO_AUTO)
8257   {
8258     *(int *)si->value =
8259       (dx == -1 ?
8260        (*(int *)si->value == AUTO ? TRUE :
8261         *(int *)si->value == TRUE ? FALSE : AUTO) :
8262        (*(int *)si->value == TRUE ? AUTO :
8263         *(int *)si->value == AUTO ? FALSE : TRUE));
8264   }
8265   else if (si->type & TYPE_KEY)
8266   {
8267     Key key;
8268
8269     si->type |= TYPE_QUERY;
8270     drawSetupValue(screen_pos, setup_info_pos_raw);
8271     si->type &= ~TYPE_QUERY;
8272
8273     key = getSetupKey();
8274     if (key != KSYM_UNDEFINED)
8275       *(Key *)si->value = key;
8276   }
8277   else if (si->type & TYPE_PLAYER)
8278   {
8279     int player_nr = *(int *)si->value;
8280
8281     if (dx)
8282       player_nr += dx;
8283     else
8284       player_nr = Request("Choose player", REQ_PLAYER) - 1;
8285
8286     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
8287   }
8288
8289   drawSetupValue(screen_pos, setup_info_pos_raw);
8290
8291   // fullscreen state may have changed at this point
8292   if (si->value == &setup.fullscreen)
8293     ToggleFullscreenIfNeeded();
8294
8295   // network mode may have changed at this point
8296   if (si->value == &setup.network_mode)
8297     ToggleNetworkModeIfNeeded();
8298
8299   // API server mode may have changed at this point
8300   if (si->value == &setup.use_api_server)
8301     ToggleUseApiServerIfNeeded();
8302
8303   // game speed list may have changed at this point
8304   if (si->value == &setup.game_speed_extended)
8305     ToggleGameSpeedsListIfNeeded();
8306 }
8307
8308 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
8309 {
8310   static struct TokenInfo *setup_info_final = NULL;
8311   int list_size = 0;
8312   int list_pos = 0;
8313   int i;
8314
8315   // determine maximum list size of target list
8316   while (setup_info_orig[list_size++].type != 0);
8317
8318   // free, allocate and clear memory for target list
8319   checked_free(setup_info_final);
8320   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
8321
8322   // copy setup info list without setup entries marked as hidden
8323   for (i = 0; setup_info_orig[i].type != 0; i++)
8324   {
8325     // skip setup entries configured to be hidden
8326     if (hideSetupEntry(setup_info_orig[i].value))
8327       continue;
8328
8329     // skip skippable setup entries if screen is lower than usual
8330     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
8331         setup_info_orig[i].type == TYPE_SKIPPABLE)
8332       continue;
8333
8334     setup_info_final[list_pos++] = setup_info_orig[i];
8335   }
8336
8337   return setup_info_final;
8338 }
8339
8340 static void DrawSetupScreen_Generic(void)
8341 {
8342   int fade_mask = REDRAW_FIELD;
8343   boolean redraw_all = FALSE;
8344   char *title_string = NULL;
8345   int i;
8346
8347   if (CheckFadeAll())
8348     fade_mask = REDRAW_ALL;
8349
8350   UnmapAllGadgets();
8351   FadeMenuSoundsAndMusic();
8352
8353   FreeScreenGadgets();
8354   CreateScreenGadgets();
8355
8356   if (redraw_mask & REDRAW_ALL)
8357     redraw_all = TRUE;
8358
8359   FadeOut(fade_mask);
8360
8361   // needed if different viewport properties defined for setup screen
8362   ChangeViewportPropertiesIfNeeded();
8363
8364   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
8365
8366   ClearField();
8367
8368   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
8369
8370   if (setup_mode == SETUP_MODE_MAIN)
8371   {
8372     setup_info = setup_info_main;
8373     title_string = STR_SETUP_MAIN;
8374   }
8375   else if (setup_mode == SETUP_MODE_GAME)
8376   {
8377     setup_info = setup_info_game;
8378     title_string = STR_SETUP_GAME;
8379   }
8380   else if (setup_mode == SETUP_MODE_ENGINES)
8381   {
8382     setup_info = setup_info_engines;
8383     title_string = STR_SETUP_ENGINES;
8384   }
8385   else if (setup_mode == SETUP_MODE_EDITOR)
8386   {
8387     setup_info = setup_info_editor;
8388     title_string = STR_SETUP_EDITOR;
8389   }
8390   else if (setup_mode == SETUP_MODE_GRAPHICS)
8391   {
8392     setup_info = setup_info_graphics;
8393     title_string = STR_SETUP_GRAPHICS;
8394   }
8395   else if (setup_mode == SETUP_MODE_SOUND)
8396   {
8397     setup_info = setup_info_sound;
8398     title_string = STR_SETUP_SOUND;
8399   }
8400   else if (setup_mode == SETUP_MODE_ARTWORK)
8401   {
8402     setup_info = setup_info_artwork;
8403     title_string = STR_SETUP_ARTWORK;
8404   }
8405   else if (setup_mode == SETUP_MODE_TOUCH)
8406   {
8407     setup_info = setup_info_touch;
8408     title_string = STR_SETUP_TOUCH;
8409
8410     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
8411       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
8412     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
8413       setup_info = setup_info_touch_wipe_gestures;
8414   }
8415   else if (setup_mode == SETUP_MODE_SHORTCUTS)
8416   {
8417     setup_info = setup_info_shortcuts;
8418     title_string = STR_SETUP_SHORTCUTS;
8419   }
8420   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
8421   {
8422     setup_info = setup_info_shortcuts_1;
8423     title_string = STR_SETUP_SHORTCUTS;
8424   }
8425   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
8426   {
8427     setup_info = setup_info_shortcuts_2;
8428     title_string = STR_SETUP_SHORTCUTS;
8429   }
8430   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
8431   {
8432     setup_info = setup_info_shortcuts_3;
8433     title_string = STR_SETUP_SHORTCUTS;
8434   }
8435   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
8436   {
8437     setup_info = setup_info_shortcuts_4;
8438     title_string = STR_SETUP_SHORTCUTS;
8439   }
8440   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
8441   {
8442     setup_info = setup_info_shortcuts_5;
8443     title_string = STR_SETUP_SHORTCUTS;
8444   }
8445
8446   // use modified setup info without setup entries marked as hidden
8447   setup_info = getSetupInfoFinal(setup_info);
8448
8449   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
8450
8451   // determine maximal number of setup entries that can be displayed on screen
8452   num_setup_info = 0;
8453   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
8454     num_setup_info++;
8455
8456   // determine maximal number of setup entries available for this setup screen
8457   max_setup_info = 0;
8458   for (i = 0; setup_info[i].type != 0; i++)
8459     max_setup_info++;
8460
8461   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
8462
8463   MapScreenGadgets(max_setup_info);
8464
8465   if (redraw_all)
8466     redraw_mask = fade_mask = REDRAW_ALL;
8467
8468   DrawMaskedBorder(fade_mask);
8469
8470   FadeIn(fade_mask);
8471 }
8472
8473 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
8474 {
8475   menu_info = setup_info;
8476
8477   HandleMenuScreen(mx, my, dx, dy, button,
8478                    setup_mode, num_setup_info, max_setup_info);
8479 }
8480
8481 static void DrawSetupScreen_Input(void)
8482 {
8483   int i;
8484
8485   FadeOut(REDRAW_FIELD);
8486
8487   ClearField();
8488
8489   setup_info = getSetupInfoFinal(setup_info_input);
8490
8491   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
8492
8493   for (i = 0; setup_info[i].type != 0; i++)
8494   {
8495     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
8496       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
8497     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
8498       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
8499     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
8500       initCursor(i, IMG_MENU_BUTTON);
8501
8502     DrawCursorAndText_Setup(i, -1, FALSE);
8503   }
8504
8505   // create gadgets for setup input menu screen
8506   FreeScreenGadgets();
8507   CreateScreenGadgets();
8508
8509   // map gadgets for setup input menu screen
8510   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
8511
8512   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
8513
8514   FadeIn(REDRAW_FIELD);
8515 }
8516
8517 static void setJoystickDeviceToNr(char *device_name, int device_nr)
8518 {
8519   if (device_name == NULL)
8520     return;
8521
8522   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
8523     device_nr = 0;
8524
8525   if (strlen(device_name) > 1)
8526   {
8527     char c1 = device_name[strlen(device_name) - 1];
8528     char c2 = device_name[strlen(device_name) - 2];
8529
8530     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
8531       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
8532   }
8533   else
8534     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
8535             strlen(device_name));
8536 }
8537
8538 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
8539 {
8540   int i;
8541   static struct SetupKeyboardInfo custom_key;
8542   static struct
8543   {
8544     Key *key;
8545     char *text;
8546   } custom[] =
8547   {
8548     { &custom_key.left,  "Axis/Pad Left"  },
8549     { &custom_key.right, "Axis/Pad Right" },
8550     { &custom_key.up,    "Axis/Pad Up"    },
8551     { &custom_key.down,  "Axis/Pad Down"  },
8552     { &custom_key.snap,  "Button 1/A/X"   },
8553     { &custom_key.drop,  "Button 2/B/Y"   }
8554   };
8555   static char *joystick_name[MAX_PLAYERS] =
8556   {
8557     "Joystick1",
8558     "Joystick2",
8559     "Joystick3",
8560     "Joystick4"
8561   };
8562   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
8563   int font_nr_info = FONT_MENU_1;
8564   int font_nr_name = FONT_VALUE_OLD;
8565   int font_nr_on   = FONT_VALUE_1;
8566   int font_nr_off  = FONT_VALUE_OLD;
8567   int pos = 4;
8568
8569   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8570   {
8571     font_nr_info = FONT_MENU_2;
8572     font_nr_on   = FONT_VALUE_NARROW;
8573     font_nr_off  = FONT_VALUE_OLD_NARROW;
8574   }
8575
8576   custom_key = setup.input[player_nr].key;
8577
8578   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
8579            FONT_INPUT_1_ACTIVE);
8580
8581   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8582                              TILEX, TILEY);
8583   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8584                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8585
8586   if (setup.input[player_nr].use_joystick)
8587   {
8588     char *device_name = setup.input[player_nr].joy.device_name;
8589     int joystick_nr = getJoystickNrFromDeviceName(device_name);
8590     boolean joystick_active = CheckJoystickOpened(joystick_nr);
8591     char *text = joystick_name[joystick_nr];
8592     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
8593
8594     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
8595     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
8596   }
8597   else
8598   {
8599     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
8600     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
8601   }
8602
8603   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
8604     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
8605   else
8606     pos = 3;
8607
8608   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
8609   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
8610   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
8611   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
8612
8613   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
8614   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
8615   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
8616   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
8617   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
8618   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
8619
8620   for (i = 0; i < 6; i++)
8621   {
8622     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
8623
8624     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8625              "              ", font_nr_on);
8626     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8627              (setup.input[player_nr].use_joystick ?
8628               custom[i].text :
8629               getKeyNameFromKey(*custom[i].key)), font_nr_on);
8630   }
8631 }
8632
8633 static int input_player_nr = 0;
8634
8635 static void HandleSetupScreen_Input_Player(int step, int direction)
8636 {
8637   int old_player_nr = input_player_nr;
8638   int new_player_nr;
8639
8640   new_player_nr = old_player_nr + step * direction;
8641   if (new_player_nr < 0)
8642     new_player_nr = 0;
8643   if (new_player_nr > MAX_PLAYERS - 1)
8644     new_player_nr = MAX_PLAYERS - 1;
8645
8646   if (new_player_nr != old_player_nr)
8647   {
8648     input_player_nr = new_player_nr;
8649
8650     drawPlayerSetupInputInfo(input_player_nr, FALSE);
8651   }
8652 }
8653
8654 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
8655 {
8656   static int choice = 0;
8657   int x = 0;
8658   int y = choice;
8659   int pos_start  = SETUPINPUT_SCREEN_POS_START;
8660   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
8661   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
8662   int pos_end    = SETUPINPUT_SCREEN_POS_END;
8663
8664   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
8665   {
8666     int i;
8667
8668     for (i = 0; setup_info_input[i].type != 0; i++)
8669     {
8670       // adjust menu structure according to skipped setup entries
8671       if (setup_info_input[i].type == TYPE_SKIPPABLE)
8672       {
8673         pos_empty2--;
8674         pos_end--;
8675       }
8676     }
8677   }
8678
8679   if (button == MB_MENU_INITIALIZE)
8680   {
8681     // input setup menu may have changed size due to graphics configuration
8682     if (choice >= pos_empty1)
8683       choice = pos_end;
8684
8685     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
8686
8687     DrawCursorAndText_Setup(choice, -1, TRUE);
8688
8689     return;
8690   }
8691   else if (button == MB_MENU_LEAVE)
8692   {
8693     setup_mode = SETUP_MODE_MAIN;
8694     DrawSetupScreen();
8695     InitJoysticks();
8696
8697     return;
8698   }
8699
8700   if (mx || my)         // mouse input
8701   {
8702     x = (mx - mSX) / 32;
8703     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
8704   }
8705   else if (dx || dy)    // keyboard input
8706   {
8707     if (dx && choice == 0)
8708       x = (dx < 0 ? 10 : 12);
8709     else if ((dx && choice == 1) ||
8710              (dx == -1 && choice == pos_end))
8711       button = MB_MENU_CHOICE;
8712     else if (dy)
8713       y = choice + dy;
8714
8715     if (y >= pos_empty1 && y <= pos_empty2)
8716       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8717   }
8718
8719   if (y == 0 && dx != 0 && button)
8720   {
8721     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8722   }
8723   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8724            y >= pos_start && y <= pos_end &&
8725            !(y >= pos_empty1 && y <= pos_empty2))
8726   {
8727     if (button)
8728     {
8729       if (y != choice)
8730       {
8731         DrawCursorAndText_Setup(choice, -1, FALSE);
8732         DrawCursorAndText_Setup(y, -1, TRUE);
8733
8734         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8735
8736         choice = y;
8737       }
8738     }
8739     else
8740     {
8741       if (y == 1)
8742       {
8743         char *device_name = setup.input[input_player_nr].joy.device_name;
8744
8745         if (!setup.input[input_player_nr].use_joystick)
8746         {
8747           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8748
8749           setJoystickDeviceToNr(device_name, new_device_nr);
8750           setup.input[input_player_nr].use_joystick = TRUE;
8751         }
8752         else
8753         {
8754           int device_nr = getJoystickNrFromDeviceName(device_name);
8755           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8756
8757           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8758             setup.input[input_player_nr].use_joystick = FALSE;
8759           else
8760             setJoystickDeviceToNr(device_name, new_device_nr);
8761         }
8762
8763         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8764       }
8765       else if (y == 2)
8766       {
8767         if (setup.input[input_player_nr].use_joystick)
8768           ConfigureJoystick(input_player_nr);
8769         else
8770           CustomizeKeyboard(input_player_nr);
8771       }
8772       else if (y == pos_end)
8773       {
8774         InitJoysticks();
8775
8776         FadeSetLeaveMenu();
8777
8778         setup_mode = SETUP_MODE_MAIN;
8779         DrawSetupScreen();
8780       }
8781     }
8782   }
8783 }
8784
8785 static boolean CustomizeKeyboardMain(int player_nr)
8786 {
8787   int i;
8788   int step_nr;
8789   boolean finished = FALSE;
8790   static struct SetupKeyboardInfo custom_key;
8791   static struct
8792   {
8793     Key *key;
8794     char *text;
8795   } customize_step[] =
8796   {
8797     { &custom_key.left,  "Move Left"    },
8798     { &custom_key.right, "Move Right"   },
8799     { &custom_key.up,    "Move Up"      },
8800     { &custom_key.down,  "Move Down"    },
8801     { &custom_key.snap,  "Snap Field"   },
8802     { &custom_key.drop,  "Drop Element" }
8803   };
8804   int font_nr_old = FONT_VALUE_OLD;
8805   int font_nr_new = FONT_VALUE_1;
8806   boolean success = FALSE;
8807
8808   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8809   {
8810     font_nr_old = FONT_VALUE_OLD_NARROW;
8811     font_nr_new = FONT_VALUE_NARROW;
8812   }
8813
8814   // read existing key bindings from player setup
8815   custom_key = setup.input[player_nr].key;
8816
8817   FadeSetEnterMenu();
8818   FadeOut(REDRAW_FIELD);
8819
8820   ClearField();
8821
8822   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8823
8824   step_nr = 0;
8825   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8826            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8827   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8828            "Key:", FONT_INPUT_1_ACTIVE);
8829   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8830            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8831
8832   FadeIn(REDRAW_FIELD);
8833
8834   while (!finished)
8835   {
8836     Event event;
8837
8838     if (NextValidEvent(&event))
8839     {
8840       switch (event.type)
8841       {
8842         case EVENT_KEYPRESS:
8843           {
8844             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8845
8846             // press 'Escape' to abort and keep the old key bindings
8847             if (key == KSYM_Escape)
8848             {
8849               FadeSkipNextFadeIn();
8850
8851               finished = TRUE;
8852
8853               break;
8854             }
8855
8856             // press 'Enter' to keep the existing key binding
8857             if (key == KSYM_Return)
8858               key = *customize_step[step_nr].key;
8859
8860             // check if key already used
8861             for (i = 0; i < step_nr; i++)
8862               if (*customize_step[i].key == key)
8863                 break;
8864             if (i < step_nr)
8865               break;
8866
8867             // got new key binding
8868             *customize_step[step_nr].key = key;
8869             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8870                      "             ", font_nr_new);
8871             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8872                      getKeyNameFromKey(key), font_nr_new);
8873             step_nr++;
8874
8875             // un-highlight last query
8876             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8877                      customize_step[step_nr - 1].text, FONT_MENU_1);
8878             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8879                      "Key:", FONT_MENU_1);
8880
8881             // all keys configured
8882             if (step_nr == 6)
8883             {
8884               finished = TRUE;
8885               success = TRUE;
8886
8887               break;
8888             }
8889
8890             // query next key binding
8891             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8892                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8893             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8894                      "Key:", FONT_INPUT_1_ACTIVE);
8895             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8896                      getKeyNameFromKey(*customize_step[step_nr].key),
8897                      font_nr_old);
8898           }
8899           break;
8900
8901         case EVENT_KEYRELEASE:
8902           key_joystick_mapping = 0;
8903           break;
8904
8905         default:
8906           HandleOtherEvents(&event);
8907           break;
8908       }
8909     }
8910
8911     BackToFront();
8912   }
8913
8914   // write new key bindings back to player setup, if successfully finished
8915   if (success)
8916     setup.input[player_nr].key = custom_key;
8917
8918   return success;
8919 }
8920
8921 void CustomizeKeyboard(int player_nr)
8922 {
8923   boolean success = CustomizeKeyboardMain(player_nr);
8924
8925   if (success)
8926   {
8927     int font_nr = FONT_TITLE_1;
8928     int font_height = getFontHeight(font_nr);
8929     int ypos1 = SYSIZE / 2 - font_height * 2;
8930     int ypos2 = SYSIZE / 2 - font_height * 1;
8931     unsigned int wait_frame_delay = 0;
8932     unsigned int wait_frame_delay_value = 2000;
8933
8934     ResetDelayCounter(&wait_frame_delay);
8935
8936     ClearField();
8937
8938     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8939     DrawTextSCentered(ypos2, font_nr, "configured!");
8940
8941     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8942       BackToFront();
8943
8944     ClearEventQueue();
8945   }
8946
8947   DrawSetupScreen_Input();
8948 }
8949
8950 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8951
8952 #define MARKER_BUTTON           1
8953 #define MARKER_AXIS_X           2
8954 #define MARKER_AXIS_Y           3
8955
8956 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8957 {
8958   static boolean bitmaps_initialized = FALSE;
8959   boolean screen_initialized = FALSE;
8960   static Bitmap *controller, *button, *axis_x, *axis_y;
8961   char *name;
8962   boolean success = TRUE;
8963   boolean done = FALSE, next = FALSE;
8964   Event event;
8965   int alpha = 200, alpha_step = -1;
8966   int alpha_ticks = 0;
8967   char mapping[4096], temp[256];
8968   int font_name = MENU_SETUP_FONT_TITLE;
8969   int font_info = MENU_SETUP_FONT_TEXT;
8970   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8971   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8972   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8973   int ystep_name = getMenuTextStep(spacing_name, font_name);
8974   int ystep_line = getMenuTextStep(spacing_line, font_info);
8975   int ystep_para = getMenuTextStep(spacing_para, font_info);
8976   int i, j;
8977
8978   struct
8979   {
8980     int x, y;
8981     int marker;
8982     char *field;
8983     int axis, button, hat, hat_value;
8984     char mapping[4096];
8985   }
8986   *step, *prev_step, steps[] =
8987   {
8988     { 356, 155, MARKER_BUTTON, "a",             },
8989     { 396, 122, MARKER_BUTTON, "b",             },
8990     { 320, 125, MARKER_BUTTON, "x",             },
8991     { 358,  95, MARKER_BUTTON, "y",             },
8992     { 162, 125, MARKER_BUTTON, "back",          },
8993     { 216, 125, MARKER_BUTTON, "guide",         },
8994     { 271, 125, MARKER_BUTTON, "start",         },
8995     { 110, 200, MARKER_BUTTON, "dpleft",        },
8996     { 146, 228, MARKER_BUTTON, "dpdown",        },
8997     { 178, 200, MARKER_BUTTON, "dpright",       },
8998     { 146, 172, MARKER_BUTTON, "dpup",          },
8999     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
9000     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
9001     { 382,  40, MARKER_BUTTON, "rightshoulder", },
9002     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
9003     {  73, 141, MARKER_BUTTON, "leftstick",     },
9004     { 282, 210, MARKER_BUTTON, "rightstick",    },
9005     {  73, 141, MARKER_AXIS_X, "leftx",         },
9006     {  73, 141, MARKER_AXIS_Y, "lefty",         },
9007     { 282, 210, MARKER_AXIS_X, "rightx",        },
9008     { 282, 210, MARKER_AXIS_Y, "righty",        },
9009   };
9010
9011   unsigned int event_frame_delay = 0;
9012   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
9013
9014   ResetDelayCounter(&event_frame_delay);
9015
9016   if (!bitmaps_initialized)
9017   {
9018     controller = LoadCustomImage("joystick/controller.png");
9019     button     = LoadCustomImage("joystick/button.png");
9020     axis_x     = LoadCustomImage("joystick/axis_x.png");
9021     axis_y     = LoadCustomImage("joystick/axis_y.png");
9022
9023     bitmaps_initialized = TRUE;
9024   }
9025
9026   name = getFormattedJoystickName(SDL_JoystickName(joystick));
9027
9028 #if DEBUG_JOYSTICKS
9029   // print info about the joystick we are watching
9030   Debug("joystick", "watching joystick %d: (%s)",
9031         SDL_JoystickInstanceID(joystick), name);
9032   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
9033         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
9034         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
9035 #endif
9036
9037   // initialize mapping with GUID and name
9038   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
9039
9040   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
9041            temp, name, SDL_GetPlatform());
9042
9043   // loop through all steps (buttons and axes), getting joystick events
9044   for (i = 0; i < SDL_arraysize(steps) && !done;)
9045   {
9046     Bitmap *marker = button;    // initialize with reliable default value
9047
9048     step = &steps[i];
9049     strcpy(step->mapping, mapping);
9050     step->axis = -1;
9051     step->button = -1;
9052     step->hat = -1;
9053     step->hat_value = -1;
9054
9055     marker = (step->marker == MARKER_BUTTON ? button :
9056               step->marker == MARKER_AXIS_X ? axis_x :
9057               step->marker == MARKER_AXIS_Y ? axis_y : marker);
9058
9059     next = FALSE;
9060
9061     while (!done && !next)
9062     {
9063       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
9064       alpha_ticks = SDL_GetTicks();
9065
9066       if (alpha >= 255)
9067       {
9068         alpha = 255;
9069         alpha_step = -1;
9070       }
9071       else if (alpha < 128)
9072       {
9073         alpha = 127;
9074         alpha_step = 1;
9075       }
9076
9077       int controller_x = SX + (SXSIZE - controller->width) / 2;
9078       int controller_y = SY + ystep_line;
9079
9080       int marker_x = controller_x + step->x;
9081       int marker_y = controller_y + step->y;
9082
9083       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
9084       int ystart2 = ystart1 + ystep_name + ystep_line;
9085
9086       ClearField();
9087
9088       DrawTextSCentered(ystart1, font_name, name);
9089
9090       DrawTextSCentered(ystart2, font_info,
9091                         "Press buttons and move axes on");
9092       ystart2 += ystep_line;
9093       DrawTextSCentered(ystart2, font_info,
9094                         "your controller when indicated.");
9095       ystart2 += ystep_line;
9096       DrawTextSCentered(ystart2, font_info,
9097                         "(Your controller may look different.)");
9098       ystart2 += ystep_para;
9099
9100 #if defined(PLATFORM_ANDROID)
9101       DrawTextSCentered(ystart2, font_info,
9102                         "To correct a mistake,");
9103       ystart2 += ystep_line;
9104       DrawTextSCentered(ystart2, font_info,
9105                         "press the 'back' button.");
9106       ystart2 += ystep_line;
9107       DrawTextSCentered(ystart2, font_info,
9108                         "To skip a button or axis,");
9109       ystart2 += ystep_line;
9110       DrawTextSCentered(ystart2, font_info,
9111                         "press the 'menu' button.");
9112 #else
9113       DrawTextSCentered(ystart2, font_info,
9114                         "To correct a mistake,");
9115       ystart2 += ystep_line;
9116       DrawTextSCentered(ystart2, font_info,
9117                         "press the 'backspace' key.");
9118       ystart2 += ystep_line;
9119       DrawTextSCentered(ystart2, font_info,
9120                         "To skip a button or axis,");
9121       ystart2 += ystep_line;
9122       DrawTextSCentered(ystart2, font_info,
9123                         "press the 'return' key.");
9124       ystart2 += ystep_line;
9125       DrawTextSCentered(ystart2, font_info,
9126                         "To exit, press the 'escape' key.");
9127 #endif
9128
9129       BlitBitmapMasked(controller, drawto, 0, 0,
9130                        controller->width, controller->height,
9131                        controller_x, controller_y);
9132
9133       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
9134       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
9135
9136       BlitBitmapMasked(marker, drawto, 0, 0,
9137                        marker->width, marker->height,
9138                        marker_x, marker_y);
9139
9140       if (!screen_initialized)
9141         FadeIn(REDRAW_FIELD);
9142       else
9143         BackToFront();
9144
9145       screen_initialized = TRUE;
9146
9147       while (NextValidEvent(&event))
9148       {
9149         switch (event.type)
9150         {
9151           case SDL_JOYAXISMOTION:
9152             if (event.jaxis.value > 20000 ||
9153                 event.jaxis.value < -20000)
9154             {
9155               for (j = 0; j < i; j++)
9156                 if (steps[j].axis == event.jaxis.axis)
9157                   break;
9158
9159               if (j == i)
9160               {
9161                 if (step->marker != MARKER_AXIS_X &&
9162                     step->marker != MARKER_AXIS_Y)
9163                   break;
9164
9165                 step->axis = event.jaxis.axis;
9166                 strcat(mapping, step->field);
9167                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
9168                 strcat(mapping, temp);
9169                 i++;
9170                 next = TRUE;
9171               }
9172             }
9173
9174             break;
9175
9176           case SDL_JOYHATMOTION:
9177             // ignore centering; we're probably just coming back
9178             // to the center from the previous item we set
9179             if (event.jhat.value == SDL_HAT_CENTERED)
9180               break;
9181
9182             for (j = 0; j < i; j++)
9183               if (steps[j].hat == event.jhat.hat &&
9184                   steps[j].hat_value == event.jhat.value)
9185                 break;
9186
9187             if (j == i)
9188             {
9189               step->hat = event.jhat.hat;
9190               step->hat_value = event.jhat.value;
9191               strcat(mapping, step->field);
9192               snprintf(temp, sizeof(temp), ":h%u.%u,",
9193                        event.jhat.hat, event.jhat.value );
9194               strcat(mapping, temp);
9195               i++;
9196               next = TRUE;
9197             }
9198
9199             break;
9200
9201           case SDL_JOYBALLMOTION:
9202             break;
9203
9204           case SDL_JOYBUTTONUP:
9205             for (j = 0; j < i; j++)
9206               if (steps[j].button == event.jbutton.button)
9207                 break;
9208
9209             if (j == i)
9210             {
9211               step->button = event.jbutton.button;
9212               strcat(mapping, step->field);
9213               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
9214               strcat(mapping, temp);
9215               i++;
9216               next = TRUE;
9217             }
9218
9219             break;
9220
9221           case SDL_FINGERDOWN:
9222           case SDL_MOUSEBUTTONDOWN:
9223             // skip this step
9224             i++;
9225             next = TRUE;
9226
9227             break;
9228
9229           case SDL_KEYDOWN:
9230             if (event.key.keysym.sym == KSYM_BackSpace ||
9231                 event.key.keysym.sym == KSYM_Back)
9232             {
9233               if (i == 0)
9234               {
9235                 // leave screen
9236                 success = FALSE;
9237                 done = TRUE;
9238
9239                 break;
9240               }
9241
9242               // undo this step
9243               prev_step = &steps[i - 1];
9244               strcpy(mapping, prev_step->mapping);
9245               i--;
9246               next = TRUE;
9247
9248               break;
9249             }
9250
9251             if (event.key.keysym.sym == KSYM_space ||
9252                 event.key.keysym.sym == KSYM_Return ||
9253                 event.key.keysym.sym == KSYM_Menu)
9254             {
9255               // skip this step
9256               i++;
9257               next = TRUE;
9258
9259               break;
9260             }
9261
9262             if (event.key.keysym.sym == KSYM_Escape)
9263             {
9264               // leave screen
9265               success = FALSE;
9266               done = TRUE;
9267             }
9268
9269             break;
9270
9271           case SDL_QUIT:
9272             program.exit_function(0);
9273             break;
9274
9275           default:
9276             break;
9277         }
9278
9279         // do not handle events for longer than standard frame delay period
9280         if (DelayReached(&event_frame_delay, event_frame_delay_value))
9281           break;
9282       }
9283     }
9284   }
9285
9286   if (success)
9287   {
9288 #if DEBUG_JOYSTICKS
9289     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
9290 #endif
9291
9292     // activate mapping for this game
9293     SDL_GameControllerAddMapping(mapping);
9294
9295     // save mapping to personal mappings
9296     SaveSetup_AddGameControllerMapping(mapping);
9297   }
9298
9299   // wait until the last pending event was removed from event queue
9300   while (NextValidEvent(&event));
9301
9302   return success;
9303 }
9304
9305 static int ConfigureJoystickMain(int player_nr)
9306 {
9307   char *device_name = setup.input[player_nr].joy.device_name;
9308   int joystick_nr = getJoystickNrFromDeviceName(device_name);
9309   boolean joystick_active = CheckJoystickOpened(joystick_nr);
9310   int success = FALSE;
9311   int i;
9312
9313   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
9314     return JOYSTICK_NOT_AVAILABLE;
9315
9316   if (!joystick_active || !setup.input[player_nr].use_joystick)
9317     return JOYSTICK_NOT_AVAILABLE;
9318
9319   FadeSetEnterMenu();
9320   FadeOut(REDRAW_FIELD);
9321
9322   // close all joystick devices (potentially opened as game controllers)
9323   for (i = 0; i < SDL_NumJoysticks(); i++)
9324     SDLCloseJoystick(i);
9325
9326   // open joystick device as plain joystick to configure as game controller
9327   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
9328
9329   // as the joystick was successfully opened before, this should not happen
9330   if (joystick == NULL)
9331     return FALSE;
9332
9333   // create new game controller mapping (buttons and axes) for joystick device
9334   success = ConfigureJoystickMapButtonsAndAxes(joystick);
9335
9336   // close joystick (and maybe re-open as configured game controller later)
9337   SDL_JoystickClose(joystick);
9338
9339   // re-open all joystick devices (potentially as game controllers)
9340   for (i = 0; i < SDL_NumJoysticks(); i++)
9341     SDLOpenJoystick(i);
9342
9343   // clear all joystick input actions for all joystick devices
9344   SDLClearJoystickState();
9345
9346   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
9347 }
9348
9349 void ConfigureJoystick(int player_nr)
9350 {
9351   boolean state = ConfigureJoystickMain(player_nr);
9352
9353   if (state != JOYSTICK_NOT_CONFIGURED)
9354   {
9355     boolean success = (state == JOYSTICK_CONFIGURED);
9356     char message1[MAX_OUTPUT_LINESIZE + 1];
9357     char *message2 = (success ? "configured!" : "not available!");
9358     char *device_name = setup.input[player_nr].joy.device_name;
9359     int nr = getJoystickNrFromDeviceName(device_name) + 1;
9360     int font_nr = FONT_TITLE_1;
9361     int font_height = getFontHeight(font_nr);
9362     int ypos1 = SYSIZE / 2 - font_height * 2;
9363     int ypos2 = SYSIZE / 2 - font_height * 1;
9364     unsigned int wait_frame_delay = 0;
9365     unsigned int wait_frame_delay_value = 2000;
9366
9367     ResetDelayCounter(&wait_frame_delay);
9368
9369     ClearField();
9370
9371     sprintf(message1, "Joystick %d", nr);
9372
9373     DrawTextSCentered(ypos1, font_nr, message1);
9374     DrawTextSCentered(ypos2, font_nr, message2);
9375
9376     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
9377       BackToFront();
9378
9379     ClearEventQueue();
9380   }
9381
9382   DrawSetupScreen_Input();
9383 }
9384
9385 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
9386 {
9387   if (y < video.screen_height / 3)
9388   {
9389     // remap touch gadgets to access upper part of the screen
9390     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9391     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9392   }
9393   else if (y > 2 * video.screen_height / 3)
9394   {
9395     // remap touch gadgets to access lower part of the screen
9396     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9397     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9398   }
9399 }
9400
9401 static boolean ConfigureVirtualButtonsMain(void)
9402 {
9403   static char *customize_step_text[] =
9404   {
9405     "Move Left",
9406     "Move Right",
9407     "Move Up",
9408     "Move Down",
9409     "Snap Field",
9410     "Drop Element"
9411   };
9412   char grid_button[] =
9413   {
9414     CHAR_GRID_BUTTON_LEFT,
9415     CHAR_GRID_BUTTON_RIGHT,
9416     CHAR_GRID_BUTTON_UP,
9417     CHAR_GRID_BUTTON_DOWN,
9418     CHAR_GRID_BUTTON_SNAP,
9419     CHAR_GRID_BUTTON_DROP
9420   };
9421   enum
9422   {
9423     ACTION_NONE,
9424     ACTION_ESCAPE,
9425     ACTION_BACK,
9426     ACTION_NEXT
9427   };
9428   int font_nr = FONT_INPUT_1_ACTIVE;
9429   int font_height = getFontHeight(font_nr);
9430   int ypos1 = SYSIZE / 2 - font_height * 2;
9431   int ypos2 = SYSIZE / 2 - font_height * 1;
9432   boolean success = FALSE;
9433   boolean finished = FALSE;
9434   int step_nr = 0;
9435   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
9436   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9437   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9438   boolean set_grid_button = FALSE;
9439   int nr = GRID_ACTIVE_NR();
9440   int x, y;
9441
9442   for (x = 0; x < MAX_GRID_XSIZE; x++)
9443     for (y = 0; y < MAX_GRID_YSIZE; y++)
9444       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
9445
9446   overlay.grid_button_highlight = grid_button[step_nr];
9447
9448   UnmapAllGadgets();
9449
9450   FadeSetEnterMenu();
9451   FadeOut(REDRAW_FIELD);
9452
9453   ClearField();
9454
9455   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9456   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9457   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9458
9459   FadeIn(REDRAW_FIELD);
9460
9461   SetOverlayShowGrid(TRUE);
9462
9463   // map gadgets for setup touch buttons menu screen
9464   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9465
9466   while (!finished)
9467   {
9468     Event event;
9469
9470     while (NextValidEvent(&event))
9471     {
9472       int action = ACTION_NONE;
9473
9474       // ---------- handle events and set the resulting action ----------
9475
9476       switch (event.type)
9477       {
9478         case EVENT_USER:
9479           {
9480             UserEvent *user = (UserEvent *)&event;
9481             int id = user->value1;
9482
9483             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
9484                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
9485                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
9486                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
9487                       ACTION_NONE);
9488           }
9489           break;
9490
9491         case EVENT_KEYPRESS:
9492           {
9493             Key key = GetEventKey((KeyEvent *)&event, FALSE);
9494
9495             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
9496                       key == KSYM_BackSpace ||
9497                       key == KSYM_Back ?        ACTION_BACK :
9498                       key == KSYM_Return ||
9499                       key == KSYM_Menu ||
9500                       key == KSYM_space ?       ACTION_NEXT :
9501                       ACTION_NONE);
9502           }
9503           break;
9504
9505         case EVENT_KEYRELEASE:
9506           key_joystick_mapping = 0;
9507           break;
9508
9509         case EVENT_BUTTONPRESS:
9510         case EVENT_BUTTONRELEASE:
9511           {
9512             ButtonEvent *button = (ButtonEvent *)&event;
9513
9514             motion_status = FALSE;
9515
9516             if (button->type == EVENT_BUTTONPRESS)
9517               button_status = button->button;
9518             else
9519               button_status = MB_RELEASED;
9520
9521             if (HandleGadgets(button->x, button->y, button_status))
9522             {
9523               // do not handle this button event anymore
9524               break;
9525             }
9526
9527             button->x += video.screen_xoffset;
9528             button->y += video.screen_yoffset;
9529
9530             x = button->x * overlay.grid_xsize / video.screen_width;
9531             y = button->y * overlay.grid_ysize / video.screen_height;
9532
9533             if (button->type == EVENT_BUTTONPRESS)
9534             {
9535               grid_button_draw =
9536                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
9537                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
9538
9539               set_grid_button = TRUE;
9540             }
9541
9542             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
9543           }
9544           break;
9545
9546         case EVENT_MOTIONNOTIFY:
9547           {
9548             MotionEvent *motion = (MotionEvent *)&event;
9549
9550             motion_status = TRUE;
9551
9552             if (HandleGadgets(motion->x, motion->y, button_status))
9553             {
9554               // do not handle this button event anymore
9555               break;
9556             }
9557
9558             motion->x += video.screen_xoffset;
9559             motion->y += video.screen_yoffset;
9560
9561             x = motion->x * overlay.grid_xsize / video.screen_width;
9562             y = motion->y * overlay.grid_ysize / video.screen_height;
9563
9564             set_grid_button = TRUE;
9565
9566             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
9567           }
9568           break;
9569
9570         case SDL_WINDOWEVENT:
9571           HandleWindowEvent((WindowEvent *) &event);
9572
9573           // check if device has been rotated
9574           if (nr != GRID_ACTIVE_NR())
9575           {
9576             nr = GRID_ACTIVE_NR();
9577
9578             for (x = 0; x < MAX_GRID_XSIZE; x++)
9579               for (y = 0; y < MAX_GRID_YSIZE; y++)
9580                 grid_button_old[x][y] = grid_button_tmp[x][y] =
9581                   overlay.grid_button[x][y];
9582           }
9583
9584           break;
9585
9586         case SDL_APP_WILLENTERBACKGROUND:
9587         case SDL_APP_DIDENTERBACKGROUND:
9588         case SDL_APP_WILLENTERFOREGROUND:
9589         case SDL_APP_DIDENTERFOREGROUND:
9590           HandlePauseResumeEvent((PauseResumeEvent *) &event);
9591           break;
9592
9593         default:
9594           HandleOtherEvents(&event);
9595           break;
9596       }
9597
9598       // ---------- perform action set by handling events ----------
9599
9600       if (action == ACTION_ESCAPE)
9601       {
9602         // abort and restore the old key bindings
9603
9604         for (x = 0; x < MAX_GRID_XSIZE; x++)
9605           for (y = 0; y < MAX_GRID_YSIZE; y++)
9606             overlay.grid_button[x][y] = grid_button_old[x][y];
9607
9608         FadeSkipNextFadeIn();
9609
9610         finished = TRUE;
9611       }
9612       else if (action == ACTION_BACK)
9613       {
9614         // keep the configured key bindings and go to previous page
9615
9616         step_nr--;
9617
9618         if (step_nr < 0)
9619         {
9620           FadeSkipNextFadeIn();
9621
9622           finished = TRUE;
9623         }
9624       }
9625       else if (action == ACTION_NEXT)
9626       {
9627         // keep the configured key bindings and go to next page
9628
9629         step_nr++;
9630
9631         // all virtual buttons configured
9632         if (step_nr == 6)
9633         {
9634           finished = TRUE;
9635           success = TRUE;
9636         }
9637       }
9638
9639       if (action != ACTION_NONE && !finished)
9640       {
9641         for (x = 0; x < MAX_GRID_XSIZE; x++)
9642           for (y = 0; y < MAX_GRID_YSIZE; y++)
9643             grid_button_tmp[x][y] = overlay.grid_button[x][y];
9644
9645         overlay.grid_button_highlight = grid_button[step_nr];
9646
9647         // configure next virtual button
9648
9649         ClearField();
9650
9651         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9652         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9653         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9654       }
9655
9656       if (set_grid_button)
9657       {
9658         overlay.grid_button[x][y] =
9659           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
9660            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
9661            grid_button_tmp[x][y]);
9662
9663         set_grid_button = FALSE;
9664       }
9665     }
9666
9667     BackToFront();
9668   }
9669
9670   for (x = 0; x < MAX_GRID_XSIZE; x++)
9671     for (y = 0; y < MAX_GRID_YSIZE; y++)
9672       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9673
9674   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
9675
9676   SetOverlayShowGrid(FALSE);
9677
9678   return success;
9679 }
9680
9681 void ConfigureVirtualButtons(void)
9682 {
9683   boolean success = ConfigureVirtualButtonsMain();
9684
9685   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
9686                          SCREEN_MASK_TOUCH2);
9687
9688   if (success)
9689   {
9690     int font_nr = FONT_TITLE_1;
9691     int font_height = getFontHeight(font_nr);
9692     int ypos1 = SYSIZE / 2 - font_height * 2;
9693     int ypos2 = SYSIZE / 2 - font_height * 1;
9694     unsigned int wait_frame_delay = 0;
9695     unsigned int wait_frame_delay_value = 2000;
9696
9697     ResetDelayCounter(&wait_frame_delay);
9698
9699     ClearField();
9700
9701     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
9702     DrawTextSCentered(ypos2, font_nr, "configured!");
9703
9704     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
9705       BackToFront();
9706
9707     ClearEventQueue();
9708   }
9709 }
9710
9711 void DrawSetupScreen(void)
9712 {
9713   align_xoffset = 0;
9714   align_yoffset = 0;
9715
9716   if (setup_mode == SETUP_MODE_INPUT)
9717     DrawSetupScreen_Input();
9718   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9719     DrawChooseTree(&scores_type_current);
9720   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9721     DrawChooseTree(&game_speed_current);
9722   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9723     DrawChooseTree(&scroll_delay_current);
9724   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9725     DrawChooseTree(&snapshot_mode_current);
9726   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9727     DrawChooseTree(&window_size_current);
9728   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9729     DrawChooseTree(&scaling_type_current);
9730   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9731     DrawChooseTree(&rendering_mode_current);
9732   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9733     DrawChooseTree(&vsync_mode_current);
9734   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9735     DrawChooseTree(&artwork.gfx_current);
9736   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9737     DrawChooseTree(&artwork.snd_current);
9738   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9739     DrawChooseTree(&artwork.mus_current);
9740   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9741     DrawChooseTree(&volume_simple_current);
9742   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9743     DrawChooseTree(&volume_loops_current);
9744   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9745     DrawChooseTree(&volume_music_current);
9746   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9747     DrawChooseTree(&touch_control_current);
9748   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9749     DrawChooseTree(&move_distance_current);
9750   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9751     DrawChooseTree(&drop_distance_current);
9752   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9753     DrawChooseTree(&transparency_current);
9754   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9755     DrawChooseTree(&grid_size_current[0][0]);
9756   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9757     DrawChooseTree(&grid_size_current[0][1]);
9758   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9759     DrawChooseTree(&grid_size_current[1][0]);
9760   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9761     DrawChooseTree(&grid_size_current[1][1]);
9762   else
9763     DrawSetupScreen_Generic();
9764
9765   PlayMenuSoundsAndMusic();
9766 }
9767
9768 void RedrawSetupScreenAfterFullscreenToggle(void)
9769 {
9770   if (setup_mode == SETUP_MODE_GRAPHICS ||
9771       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9772   {
9773     // update list selection from "setup.window_scaling_percent"
9774     execSetupGraphics_setWindowSizes(TRUE);
9775
9776     DrawSetupScreen();
9777   }
9778 }
9779
9780 void RedrawSetupScreenAfterScreenRotation(int nr)
9781 {
9782   int x, y;
9783
9784   if (setup_mode == SETUP_MODE_TOUCH)
9785   {
9786     // update virtual button settings (depending on screen orientation)
9787     DrawSetupScreen();
9788   }
9789   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9790   {
9791     // save already configured virtual buttons
9792     for (x = 0; x < MAX_GRID_XSIZE; x++)
9793       for (y = 0; y < MAX_GRID_YSIZE; y++)
9794         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9795   }
9796 }
9797
9798 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9799 {
9800   if (setup_mode == SETUP_MODE_INPUT)
9801     HandleSetupScreen_Input(mx, my, dx, dy, button);
9802   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9803     HandleChooseTree(mx, my, dx, dy, button, &scores_type_current);
9804   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9805     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9806   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9807     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9808   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9809     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9810   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9811     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9812   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9813     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9814   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9815     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9816   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9817     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9818   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9819     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9820   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9821     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9822   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9823     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9824   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9825     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9826   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9827     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9828   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9829     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9830   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9831     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9832   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9833     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9834   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9835     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9836   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9837     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9838   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9839     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9840   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9841     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9842   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9843     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9844   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9845     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9846   else
9847     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9848 }
9849
9850 void HandleGameActions(void)
9851 {
9852   if (setup.ask_on_game_over)
9853     CheckGameOver();
9854
9855   if (game.restart_game_message != NULL)
9856   {
9857     RequestRestartGame(game.restart_game_message);
9858
9859     return;
9860   }
9861
9862   if (game_status != GAME_MODE_PLAYING)
9863     return;
9864
9865   GameActions();                // main game loop
9866
9867   if (tape.auto_play && !tape.playing)
9868     AutoPlayTapesContinue();    // continue automatically playing next tape
9869 }
9870
9871
9872 // ---------- new screen button stuff --------------------------------------
9873
9874 static struct
9875 {
9876   int gfx_unpressed, gfx_pressed;
9877   struct MenuPosInfo *pos;
9878   boolean *check_value;
9879   int gadget_id;
9880   int screen_mask;
9881   unsigned int event_mask;
9882   boolean is_touch_button;
9883   char *infotext;
9884 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9885 {
9886   {
9887     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9888     &menu.main.button.prev_level, NULL,
9889     SCREEN_CTRL_ID_PREV_LEVEL,
9890     SCREEN_MASK_MAIN,
9891     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9892     FALSE, "previous level"
9893   },
9894   {
9895     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9896     &menu.main.button.next_level, NULL,
9897     SCREEN_CTRL_ID_NEXT_LEVEL,
9898     SCREEN_MASK_MAIN,
9899     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9900     FALSE, "next level"
9901   },
9902   {
9903     IMG_MENU_BUTTON_PREV_LEVEL2, IMG_MENU_BUTTON_PREV_LEVEL2_ACTIVE,
9904     &menu.scores.button.prev_level, NULL,
9905     SCREEN_CTRL_ID_PREV_LEVEL2,
9906     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9907     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9908     FALSE, "previous level"
9909   },
9910   {
9911     IMG_MENU_BUTTON_NEXT_LEVEL2, IMG_MENU_BUTTON_NEXT_LEVEL2_ACTIVE,
9912     &menu.scores.button.next_level, NULL,
9913     SCREEN_CTRL_ID_NEXT_LEVEL2,
9914     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9915     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9916     FALSE, "next level"
9917   },
9918   {
9919     IMG_MENU_BUTTON_PREV_SCORE, IMG_MENU_BUTTON_PREV_SCORE_ACTIVE,
9920     &menu.scores.button.prev_score, NULL,
9921     SCREEN_CTRL_ID_PREV_SCORE,
9922     SCREEN_MASK_SCORES_INFO,
9923     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9924     FALSE, "previous score"
9925   },
9926   {
9927     IMG_MENU_BUTTON_NEXT_SCORE, IMG_MENU_BUTTON_NEXT_SCORE_ACTIVE,
9928     &menu.scores.button.next_score, NULL,
9929     SCREEN_CTRL_ID_NEXT_SCORE,
9930     SCREEN_MASK_SCORES_INFO,
9931     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9932     FALSE, "next score"
9933   },
9934   {
9935     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9936     &menu.main.button.first_level, NULL,
9937     SCREEN_CTRL_ID_FIRST_LEVEL,
9938     SCREEN_MASK_MAIN,
9939     GD_EVENT_RELEASED,
9940     FALSE, "first level"
9941   },
9942   {
9943     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9944     &menu.main.button.last_level, NULL,
9945     SCREEN_CTRL_ID_LAST_LEVEL,
9946     SCREEN_MASK_MAIN,
9947     GD_EVENT_RELEASED,
9948     FALSE, "last level"
9949   },
9950   {
9951     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9952     &menu.main.button.level_number, NULL,
9953     SCREEN_CTRL_ID_LEVEL_NUMBER,
9954     SCREEN_MASK_MAIN,
9955     GD_EVENT_RELEASED,
9956     FALSE, "level number"
9957   },
9958   {
9959     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9960     &menu.setup.button.prev_player, NULL,
9961     SCREEN_CTRL_ID_PREV_PLAYER,
9962     SCREEN_MASK_INPUT,
9963     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9964     FALSE, "previous player"
9965   },
9966   {
9967     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9968     &menu.setup.button.next_player, NULL,
9969     SCREEN_CTRL_ID_NEXT_PLAYER,
9970     SCREEN_MASK_INPUT,
9971     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9972     FALSE, "next player"
9973   },
9974   {
9975     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9976     &menu.main.button.insert_solution, NULL,
9977     SCREEN_CTRL_ID_INSERT_SOLUTION,
9978     SCREEN_MASK_MAIN_HAS_SOLUTION,
9979     GD_EVENT_RELEASED,
9980     FALSE, "insert solution tape"
9981   },
9982   {
9983     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9984     &menu.main.button.play_solution, NULL,
9985     SCREEN_CTRL_ID_PLAY_SOLUTION,
9986     SCREEN_MASK_MAIN_HAS_SOLUTION,
9987     GD_EVENT_RELEASED,
9988     FALSE, "play solution tape"
9989   },
9990   {
9991     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9992     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9993     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9994     SCREEN_MASK_MAIN,
9995     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9996     FALSE, "switch ECS/AGA chipset"
9997   },
9998   {
9999     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
10000     &menu.setup.button.touch_back, NULL,
10001     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
10002     SCREEN_MASK_TOUCH,
10003     GD_EVENT_RELEASED,
10004     TRUE, "previous page"
10005   },
10006   {
10007     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
10008     &menu.setup.button.touch_next, NULL,
10009     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
10010     SCREEN_MASK_TOUCH,
10011     GD_EVENT_RELEASED,
10012     TRUE, "next page"
10013   },
10014   {
10015     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
10016     &menu.setup.button.touch_back2, NULL,
10017     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
10018     SCREEN_MASK_TOUCH2,
10019     GD_EVENT_RELEASED,
10020     TRUE, "previous page"
10021   },
10022   {
10023     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
10024     &menu.setup.button.touch_next2, NULL,
10025     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
10026     SCREEN_MASK_TOUCH2,
10027     GD_EVENT_RELEASED,
10028     TRUE, "next page"
10029   },
10030 };
10031
10032 static struct
10033 {
10034   int gfx_unpressed, gfx_pressed;
10035   int x, y;
10036   int gadget_id;
10037   char *infotext;
10038 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
10039 {
10040   {
10041     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
10042     -1, -1,     // these values are not constant, but can change at runtime
10043     SCREEN_CTRL_ID_SCROLL_UP,
10044     "scroll up"
10045   },
10046   {
10047     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
10048     -1, -1,     // these values are not constant, but can change at runtime
10049     SCREEN_CTRL_ID_SCROLL_DOWN,
10050     "scroll down"
10051   }
10052 };
10053
10054 static struct
10055 {
10056   int gfx_unpressed, gfx_pressed;
10057   int x, y;
10058   int width, height;
10059   int type;
10060   int gadget_id;
10061   char *infotext;
10062 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
10063 {
10064   {
10065     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
10066     -1, -1,     // these values are not constant, but can change at runtime
10067     -1, -1,     // these values are not constant, but can change at runtime
10068     GD_TYPE_SCROLLBAR_VERTICAL,
10069     SCREEN_CTRL_ID_SCROLL_VERTICAL,
10070     "scroll level series vertically"
10071   }
10072 };
10073
10074 static struct
10075 {
10076   int graphic;
10077   int gadget_id;
10078   int x, y;
10079   int size;
10080   char *value;
10081   char *infotext;
10082 } textinput_info[NUM_SCREEN_TEXTINPUT] =
10083 {
10084   {
10085     IMG_SETUP_INPUT_TEXT,
10086     SCREEN_CTRL_ID_NETWORK_SERVER,
10087     -1, -1,     // these values are not constant, but can change at runtime
10088     MAX_SETUP_TEXT_INPUT_LEN,
10089     network_server_hostname,
10090     "Network Server Hostname / IP"
10091   },
10092 };
10093
10094 static void CreateScreenMenubuttons(void)
10095 {
10096   struct GadgetInfo *gi;
10097   unsigned int event_mask;
10098   int i;
10099
10100   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10101   {
10102     struct MenuPosInfo *pos = menubutton_info[i].pos;
10103     int screen_mask = menubutton_info[i].screen_mask;
10104     boolean is_touch_button = menubutton_info[i].is_touch_button;
10105     boolean is_check_button = menubutton_info[i].check_value != NULL;
10106     boolean is_score_button = (screen_mask & SCREEN_MASK_SCORES_INFO);
10107     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
10108     int gfx_unpressed, gfx_pressed;
10109     int x, y, width, height;
10110     int gd_x1, gd_x2, gd_y1, gd_y2;
10111     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
10112     int id = menubutton_info[i].gadget_id;
10113     int type = GD_TYPE_NORMAL_BUTTON;
10114     boolean checked = FALSE;
10115
10116     event_mask = menubutton_info[i].event_mask;
10117
10118     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
10119     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
10120
10121     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
10122     height = graphic_info[menubutton_info[i].gfx_pressed].height;
10123
10124     gfx_unpressed = menubutton_info[i].gfx_unpressed;
10125     gfx_pressed   = menubutton_info[i].gfx_pressed;
10126     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
10127     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
10128     gd_x1 = graphic_info[gfx_unpressed].src_x;
10129     gd_y1 = graphic_info[gfx_unpressed].src_y;
10130     gd_x2 = graphic_info[gfx_pressed].src_x;
10131     gd_y2 = graphic_info[gfx_pressed].src_y;
10132     gd_x1a = gd_x1;
10133     gd_y1a = gd_y1;
10134     gd_x2a = gd_x2;
10135     gd_y2a = gd_y2;
10136
10137     if (is_touch_button)
10138     {
10139       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
10140       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
10141     }
10142
10143     if (is_check_button)
10144     {
10145       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
10146       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
10147       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
10148       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
10149
10150       type = GD_TYPE_CHECK_BUTTON;
10151       checked = *menubutton_info[i].check_value;
10152     }
10153
10154     if (is_score_button)
10155     {
10156       // if x/y set to -1, dynamically place buttons next to title text
10157       int title_width = getTextWidth(INFOTEXT_SCORE_ENTRY, FONT_TITLE_1);
10158
10159       if (pos->x == -1)
10160         x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
10161              SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
10162              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
10163              SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
10164
10165       if (pos->y == -1)
10166         y = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ||
10167              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
10168     }
10169
10170     gi = CreateGadget(GDI_CUSTOM_ID, id,
10171                       GDI_CUSTOM_TYPE_ID, i,
10172                       GDI_IMAGE_ID, gfx_unpressed,
10173                       GDI_INFO_TEXT, menubutton_info[i].infotext,
10174                       GDI_X, x,
10175                       GDI_Y, y,
10176                       GDI_WIDTH, width,
10177                       GDI_HEIGHT, height,
10178                       GDI_TYPE, type,
10179                       GDI_STATE, GD_BUTTON_UNPRESSED,
10180                       GDI_CHECKED, checked,
10181                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
10182                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
10183                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
10184                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
10185                       GDI_DIRECT_DRAW, FALSE,
10186                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
10187                       GDI_EVENT_MASK, event_mask,
10188                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10189                       GDI_END);
10190
10191     if (gi == NULL)
10192       Fail("cannot create gadget");
10193
10194     screen_gadget[id] = gi;
10195   }
10196 }
10197
10198 static void CreateScreenScrollbuttons(void)
10199 {
10200   struct GadgetInfo *gi;
10201   unsigned int event_mask;
10202   int i;
10203
10204   // these values are not constant, but can change at runtime
10205   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
10206   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
10207   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
10208   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
10209
10210   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10211   {
10212     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
10213     int gfx_unpressed, gfx_pressed;
10214     int x, y, width, height;
10215     int gd_x1, gd_x2, gd_y1, gd_y2;
10216     int id = scrollbutton_info[i].gadget_id;
10217
10218     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
10219
10220     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
10221     y = mSY + scrollbutton_info[i].y;
10222     width = SC_SCROLLBUTTON_XSIZE;
10223     height = SC_SCROLLBUTTON_YSIZE;
10224
10225     // correct scrollbar position if placed outside menu (playfield) area
10226     if (x > SX + SC_SCROLL_UP_XPOS)
10227       x = SX + SC_SCROLL_UP_XPOS;
10228
10229     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
10230       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
10231                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
10232
10233     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
10234     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
10235     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
10236     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
10237     gd_x1 = graphic_info[gfx_unpressed].src_x;
10238     gd_y1 = graphic_info[gfx_unpressed].src_y;
10239     gd_x2 = graphic_info[gfx_pressed].src_x;
10240     gd_y2 = graphic_info[gfx_pressed].src_y;
10241
10242     gi = CreateGadget(GDI_CUSTOM_ID, id,
10243                       GDI_CUSTOM_TYPE_ID, i,
10244                       GDI_IMAGE_ID, gfx_unpressed,
10245                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
10246                       GDI_X, x,
10247                       GDI_Y, y,
10248                       GDI_WIDTH, width,
10249                       GDI_HEIGHT, height,
10250                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
10251                       GDI_STATE, GD_BUTTON_UNPRESSED,
10252                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
10253                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
10254                       GDI_DIRECT_DRAW, FALSE,
10255                       GDI_EVENT_MASK, event_mask,
10256                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10257                       GDI_END);
10258
10259     if (gi == NULL)
10260       Fail("cannot create gadget");
10261
10262     screen_gadget[id] = gi;
10263   }
10264 }
10265
10266 static void CreateScreenScrollbars(void)
10267 {
10268   int i;
10269
10270   // these values are not constant, but can change at runtime
10271   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
10272   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
10273   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
10274   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
10275
10276   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10277   {
10278     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
10279     int gfx_unpressed, gfx_pressed;
10280     int x, y, width, height;
10281     int gd_x1, gd_x2, gd_y1, gd_y2;
10282     struct GadgetInfo *gi;
10283     int items_max, items_visible, item_position;
10284     unsigned int event_mask;
10285     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
10286     int id = scrollbar_info[i].gadget_id;
10287
10288     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
10289
10290     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
10291     y = mSY + scrollbar_info[i].y;
10292     width  = scrollbar_info[i].width;
10293     height = scrollbar_info[i].height;
10294
10295     // correct scrollbar position if placed outside menu (playfield) area
10296     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
10297       x = SX + SC_SCROLL_VERTICAL_XPOS;
10298
10299     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
10300       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
10301
10302     items_max = num_page_entries;
10303     items_visible = num_page_entries;
10304     item_position = 0;
10305
10306     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
10307     gfx_pressed   = scrollbar_info[i].gfx_pressed;
10308     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
10309     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
10310     gd_x1 = graphic_info[gfx_unpressed].src_x;
10311     gd_y1 = graphic_info[gfx_unpressed].src_y;
10312     gd_x2 = graphic_info[gfx_pressed].src_x;
10313     gd_y2 = graphic_info[gfx_pressed].src_y;
10314
10315     gi = CreateGadget(GDI_CUSTOM_ID, id,
10316                       GDI_CUSTOM_TYPE_ID, i,
10317                       GDI_IMAGE_ID, gfx_unpressed,
10318                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
10319                       GDI_X, x,
10320                       GDI_Y, y,
10321                       GDI_WIDTH, width,
10322                       GDI_HEIGHT, height,
10323                       GDI_TYPE, scrollbar_info[i].type,
10324                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
10325                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10326                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
10327                       GDI_WHEEL_AREA_X, SX,
10328                       GDI_WHEEL_AREA_Y, SY,
10329                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
10330                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
10331                       GDI_STATE, GD_BUTTON_UNPRESSED,
10332                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
10333                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
10334                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
10335                       GDI_DIRECT_DRAW, FALSE,
10336                       GDI_EVENT_MASK, event_mask,
10337                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10338                       GDI_END);
10339
10340     if (gi == NULL)
10341       Fail("cannot create gadget");
10342
10343     screen_gadget[id] = gi;
10344   }
10345 }
10346
10347 static void CreateScreenTextInputGadgets(void)
10348 {
10349   int i;
10350
10351   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
10352   {
10353     int graphic = textinput_info[i].graphic;
10354     struct GraphicInfo *gd = &graphic_info[graphic];
10355     int gd_x1 = gd->src_x;
10356     int gd_y1 = gd->src_y;
10357     int gd_x2 = gd->src_x + gd->active_xoffset;
10358     int gd_y2 = gd->src_y + gd->active_yoffset;
10359     struct GadgetInfo *gi;
10360     unsigned int event_mask;
10361     int id = textinput_info[i].gadget_id;
10362     int x = textinput_info[i].x;
10363     int y = textinput_info[i].y;
10364
10365     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
10366
10367     gi = CreateGadget(GDI_CUSTOM_ID, id,
10368                       GDI_CUSTOM_TYPE_ID, i,
10369                       GDI_INFO_TEXT, textinput_info[i].infotext,
10370                       GDI_X, SX + x,
10371                       GDI_Y, SY + y,
10372                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
10373                       GDI_TEXT_VALUE, textinput_info[i].value,
10374                       GDI_TEXT_SIZE, textinput_info[i].size,
10375                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
10376                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
10377                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
10378                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
10379                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
10380                       GDI_DESIGN_WIDTH, gd->width,
10381                       GDI_EVENT_MASK, event_mask,
10382                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10383                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
10384                       GDI_END);
10385
10386     if (gi == NULL)
10387       Fail("cannot create gadget");
10388
10389     screen_gadget[id] = gi;
10390   }
10391 }
10392
10393 void CreateScreenGadgets(void)
10394 {
10395   CreateScreenMenubuttons();
10396
10397   CreateScreenScrollbuttons();
10398   CreateScreenScrollbars();
10399
10400   CreateScreenTextInputGadgets();
10401 }
10402
10403 void FreeScreenGadgets(void)
10404 {
10405   int i;
10406
10407   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
10408     FreeGadget(screen_gadget[i]);
10409 }
10410
10411 static void RedrawScreenMenuGadgets(int screen_mask)
10412 {
10413   int i;
10414
10415   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10416     if (screen_mask & menubutton_info[i].screen_mask)
10417       RedrawGadget(screen_gadget[menubutton_info[i].gadget_id]);
10418 }
10419
10420 static void MapScreenMenuGadgets(int screen_mask)
10421 {
10422   int i;
10423
10424   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10425     if (screen_mask & menubutton_info[i].screen_mask)
10426       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10427 }
10428
10429 static void UnmapScreenMenuGadgets(int screen_mask)
10430 {
10431   int i;
10432
10433   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10434   {
10435     if (screen_mask & menubutton_info[i].screen_mask)
10436     {
10437       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10438
10439       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
10440         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
10441                        screen_gadget[menubutton_info[i].gadget_id]->y,
10442                        screen_gadget[menubutton_info[i].gadget_id]->width,
10443                        screen_gadget[menubutton_info[i].gadget_id]->height);
10444     }
10445   }
10446 }
10447
10448 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
10449 {
10450   if (map_gadgets)
10451     MapScreenMenuGadgets(screen_mask);
10452   else
10453     UnmapScreenMenuGadgets(screen_mask);
10454 }
10455
10456 static void MapScreenGadgets(int num_entries)
10457 {
10458   int i;
10459
10460   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
10461     return;
10462
10463   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10464     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10465
10466   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10467     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10468 }
10469
10470 static void UnmapScreenGadgets()
10471 {
10472   int i;
10473
10474   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10475     UnmapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10476
10477   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10478     UnmapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10479 }
10480
10481 static void MapScreenTreeGadgets(TreeInfo *ti)
10482 {
10483   MapScreenGadgets(numTreeInfoInGroup(ti));
10484 }
10485
10486 static void UnmapScreenTreeGadgets(void)
10487 {
10488   UnmapScreenGadgets();
10489 }
10490
10491 static void AdjustScoreInfoButtons(int x, int y1, int y2)
10492 {
10493   struct GadgetInfo *gi_1 = screen_gadget[SCREEN_CTRL_ID_PREV_SCORE];
10494   struct GadgetInfo *gi_2 = screen_gadget[SCREEN_CTRL_ID_NEXT_SCORE];
10495   struct MenuPosInfo *pos_1 = menubutton_info[SCREEN_CTRL_ID_PREV_SCORE].pos;
10496   struct MenuPosInfo *pos_2 = menubutton_info[SCREEN_CTRL_ID_NEXT_SCORE].pos;
10497
10498   if (pos_1->x == -1 && pos_1->y == -1)
10499     ModifyGadget(gi_1, GDI_X, x, GDI_Y, y1, GDI_END);
10500
10501   if (pos_2->x == -1 && pos_2->y == -1)
10502     ModifyGadget(gi_2, GDI_X, x, GDI_Y, y2, GDI_END);
10503 }
10504
10505 static void HandleScreenGadgets(struct GadgetInfo *gi)
10506 {
10507   int id = gi->custom_id;
10508   int button = gi->event.button;
10509   int step = (button == MB_LEFTBUTTON   ? 1 :
10510               button == MB_MIDDLEBUTTON ? 5 :
10511               button == MB_RIGHTBUTTON  ? 10 : 1);
10512
10513   switch (id)
10514   {
10515     case SCREEN_CTRL_ID_PREV_LEVEL:
10516       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
10517       break;
10518
10519     case SCREEN_CTRL_ID_NEXT_LEVEL:
10520       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
10521       break;
10522
10523     case SCREEN_CTRL_ID_PREV_LEVEL2:
10524       HandleHallOfFame_SelectLevel(step, -1);
10525       break;
10526
10527     case SCREEN_CTRL_ID_NEXT_LEVEL2:
10528       HandleHallOfFame_SelectLevel(step, +1);
10529       break;
10530
10531     case SCREEN_CTRL_ID_PREV_SCORE:
10532       HandleScoreInfo_SelectScore(step, -1);
10533       break;
10534
10535     case SCREEN_CTRL_ID_NEXT_SCORE:
10536       HandleScoreInfo_SelectScore(step, +1);
10537       break;
10538
10539     case SCREEN_CTRL_ID_FIRST_LEVEL:
10540       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
10541       break;
10542
10543     case SCREEN_CTRL_ID_LAST_LEVEL:
10544       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
10545       break;
10546
10547     case SCREEN_CTRL_ID_LEVEL_NUMBER:
10548       CloseDoor(DOOR_CLOSE_2);
10549       SetGameStatus(GAME_MODE_LEVELNR);
10550       DrawChooseLevelNr();
10551       break;
10552
10553     case SCREEN_CTRL_ID_PREV_PLAYER:
10554       HandleSetupScreen_Input_Player(step, -1);
10555       break;
10556
10557     case SCREEN_CTRL_ID_NEXT_PLAYER:
10558       HandleSetupScreen_Input_Player(step, +1);
10559       break;
10560
10561     case SCREEN_CTRL_ID_INSERT_SOLUTION:
10562       InsertSolutionTape();
10563       break;
10564
10565     case SCREEN_CTRL_ID_PLAY_SOLUTION:
10566       PlaySolutionTape();
10567       break;
10568
10569     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
10570       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
10571       DrawMainMenu();
10572       break;
10573
10574     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
10575     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
10576     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
10577     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
10578       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
10579       break;
10580
10581     case SCREEN_CTRL_ID_SCROLL_UP:
10582       if (game_status == GAME_MODE_NAMES)
10583         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10584       else if (game_status == GAME_MODE_LEVELS)
10585         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10586       else if (game_status == GAME_MODE_LEVELNR)
10587         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10588       else if (game_status == GAME_MODE_SETUP)
10589         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10590       else if (game_status == GAME_MODE_INFO)
10591         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10592       else if (game_status == GAME_MODE_SCORES)
10593         HandleHallOfFame(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10594       break;
10595
10596     case SCREEN_CTRL_ID_SCROLL_DOWN:
10597       if (game_status == GAME_MODE_NAMES)
10598         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10599       else if (game_status == GAME_MODE_LEVELS)
10600         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10601       else if (game_status == GAME_MODE_LEVELNR)
10602         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10603       else if (game_status == GAME_MODE_SETUP)
10604         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10605       else if (game_status == GAME_MODE_INFO)
10606         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10607       else if (game_status == GAME_MODE_SCORES)
10608         HandleHallOfFame(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10609       break;
10610
10611     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
10612       if (game_status == GAME_MODE_NAMES)
10613         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10614       else if (game_status == GAME_MODE_LEVELS)
10615         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10616       else if (game_status == GAME_MODE_LEVELNR)
10617         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10618       else if (game_status == GAME_MODE_SETUP)
10619         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10620       else if (game_status == GAME_MODE_INFO)
10621         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10622       else if (game_status == GAME_MODE_SCORES)
10623         HandleHallOfFame(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10624       break;
10625
10626     case SCREEN_CTRL_ID_NETWORK_SERVER:
10627     {
10628       if (!strEqual(gi->textinput.value, ""))
10629       {
10630         setString(&setup.network_server_hostname, gi->textinput.value);
10631
10632         network.server_host = setup.network_server_hostname;
10633       }
10634       else
10635       {
10636         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
10637
10638         network.server_host = NULL;
10639       }
10640
10641       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
10642         network.server_host = NULL;
10643
10644       execSetupGame_setNetworkServerText();
10645
10646       DrawSetupScreen();
10647
10648       break;
10649     }
10650
10651     default:
10652       break;
10653   }
10654 }
10655
10656 void DumpScreenIdentifiers(void)
10657 {
10658   int i;
10659
10660   Print("Active screen elements on current screen:\n");
10661
10662   for (i = 0; main_controls[i].nr != -1; i++)
10663   {
10664     struct MainControlInfo *mci = &main_controls[i];
10665
10666     if (mci->button_graphic != -1)
10667     {
10668       char *token = getTokenFromImageID(mci->button_graphic);
10669
10670       Print("- '%s'\n", token);
10671     }
10672   }
10673
10674   Print("Done.\n");
10675 }
10676
10677 boolean DoScreenAction(int image_id)
10678 {
10679   int i;
10680
10681   if (game_status != GAME_MODE_MAIN)
10682     return FALSE;
10683
10684   for (i = 0; main_controls[i].nr != -1; i++)
10685   {
10686     struct MainControlInfo *mci = &main_controls[i];
10687     struct MenuPosInfo *pos = mci->pos_button;
10688
10689     if (mci->button_graphic == image_id)
10690     {
10691       int x = mSX + pos->x;
10692       int y = mSY + pos->y;
10693
10694       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
10695
10696       return TRUE;
10697     }
10698   }
10699
10700   return FALSE;
10701 }
10702
10703 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
10704 {
10705   // get tree info node of newly added level or artwork set
10706   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
10707   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
10708                                                       tree_subdir_new);
10709   if (tree_node_new == NULL)    // should not happen
10710     return;
10711
10712   // if request dialog is active, do nothing
10713   if (game.request_active)
10714     return;
10715
10716   if (game_status == GAME_MODE_MAIN &&
10717       tree_type == TREE_TYPE_LEVEL_DIR)
10718   {
10719     // when adding new level set in main menu, select it as current level set
10720
10721     // change current level set to newly added level set from zip file
10722     leveldir_current = tree_node_new;
10723
10724     // change current level number to first level of newly added level set
10725     level_nr = leveldir_current->first_level;
10726
10727     // redraw screen to reflect changed level set
10728     DrawMainMenu();
10729
10730     // save this level set and level number as last selected level set
10731     SaveLevelSetup_LastSeries();
10732     SaveLevelSetup_SeriesInfo();
10733   }
10734   else if (game_status == GAME_MODE_LEVELS &&
10735            tree_type == TREE_TYPE_LEVEL_DIR)
10736   {
10737     // when adding new level set in level set menu, set cursor and update screen
10738
10739     leveldir_current = tree_node_new;
10740
10741     DrawChooseTree(&leveldir_current);
10742   }
10743   else if (game_status == GAME_MODE_SETUP)
10744   {
10745     // when adding new artwork set in setup menu, set cursor and update screen
10746
10747     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
10748         tree_type == TREE_TYPE_GRAPHICS_DIR)
10749     {
10750       artwork.gfx_current = tree_node_new;
10751
10752       DrawChooseTree(&artwork.gfx_current);
10753     }
10754     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
10755              tree_type == TREE_TYPE_SOUNDS_DIR)
10756     {
10757       artwork.snd_current = tree_node_new;
10758
10759       DrawChooseTree(&artwork.snd_current);
10760     }
10761     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
10762              tree_type == TREE_TYPE_MUSIC_DIR)
10763     {
10764       artwork.mus_current = tree_node_new;
10765
10766       DrawChooseTree(&artwork.mus_current);
10767     }
10768   }
10769 }
10770
10771 static int UploadTapes(void)
10772 {
10773   SetGameStatus(GAME_MODE_LOADING);
10774
10775   FadeSetEnterScreen();
10776   FadeOut(REDRAW_ALL);
10777
10778   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
10779
10780   FadeIn(REDRAW_ALL);
10781
10782   DrawInitTextHead("Uploading tapes");
10783
10784   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
10785   global.autoplay_leveldir = "ALL";
10786   global.autoplay_all = TRUE;
10787
10788   int num_tapes_uploaded = AutoPlayTapes();
10789
10790   global.autoplay_mode = AUTOPLAY_MODE_NONE;
10791   global.autoplay_leveldir = NULL;
10792   global.autoplay_all = FALSE;
10793
10794   SetGameStatus(GAME_MODE_MAIN);
10795
10796   DrawMainMenu();
10797
10798   return num_tapes_uploaded;
10799 }
10800
10801 static boolean OfferUploadTapes(void)
10802 {
10803   if (!Request(setup.has_remaining_tapes ?
10804                "Upload missing tapes to the high score server now?" :
10805                "Upload all your tapes to the high score server now?", REQ_ASK))
10806     return FALSE;
10807
10808   int num_tapes_uploaded = UploadTapes();
10809   char message[100];
10810
10811   if (num_tapes_uploaded < 0)
10812   {
10813     num_tapes_uploaded = -num_tapes_uploaded - 1;
10814
10815     if (num_tapes_uploaded == 0)
10816       sprintf(message, "Upload failed! No tapes uploaded!");
10817     else if (num_tapes_uploaded == 1)
10818       sprintf(message, "Upload failed! Only 1 tape uploaded!");
10819     else
10820       sprintf(message, "Upload failed! Only %d tapes uploaded!",
10821               num_tapes_uploaded);
10822
10823     Request(message, REQ_CONFIRM);
10824
10825     // if uploading tapes failed, add tape upload entry to setup menu
10826     setup.provide_uploading_tapes = TRUE;
10827     setup.has_remaining_tapes = TRUE;
10828
10829     SaveSetup_ServerSetup();
10830
10831     return FALSE;
10832   }
10833
10834   if (num_tapes_uploaded == 0)
10835     sprintf(message, "No tapes uploaded!");
10836   else if (num_tapes_uploaded == 1)
10837     sprintf(message, "1 tape uploaded!");
10838   else
10839     sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
10840
10841   Request(message, REQ_CONFIRM);
10842
10843   if (num_tapes_uploaded > 0)
10844     Request("New scores will be visible after a few minutes!", REQ_CONFIRM);
10845
10846   // after all tapes have been uploaded, remove entry from setup menu
10847   setup.provide_uploading_tapes = FALSE;
10848   setup.has_remaining_tapes = FALSE;
10849
10850   SaveSetup_ServerSetup();
10851
10852   return TRUE;
10853 }
10854
10855 static void CheckUploadTapes(void)
10856 {
10857   if (!setup.ask_for_uploading_tapes)
10858     return;
10859
10860   // after asking for uploading tapes, do not ask again
10861   setup.ask_for_uploading_tapes = FALSE;
10862   setup.ask_for_remaining_tapes = FALSE;
10863
10864   if (directoryExists(getTapeDir(NULL)))
10865   {
10866     boolean tapes_uploaded = OfferUploadTapes();
10867
10868     if (!tapes_uploaded)
10869     {
10870       Request(setup.has_remaining_tapes ?
10871               "You can upload missing tapes from the setup menu later!" :
10872               "You can upload your tapes from the setup menu later!",
10873               REQ_CONFIRM);
10874     }
10875   }
10876   else
10877   {
10878     // if tapes directory does not exist yet, never offer uploading all tapes
10879     setup.provide_uploading_tapes = FALSE;
10880   }
10881
10882   SaveSetup_ServerSetup();
10883 }
10884
10885 static void UpgradePlayerUUID(void)
10886 {
10887   ApiResetUUIDAsThread(getUUID());
10888 }
10889
10890 static void CheckUpgradePlayerUUID(void)
10891 {
10892   if (setup.player_version > 1)
10893     return;
10894
10895   UpgradePlayerUUID();
10896 }
10897
10898 void CheckApiServerTasks(void)
10899 {
10900   // check if the player's UUID has to be upgraded
10901   CheckUpgradePlayerUUID();
10902
10903   // check if there are any tapes to be uploaded
10904   CheckUploadTapes();
10905 }