added setup option to ask to play again after game is over but not solved
[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 //                  http://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_EDITOR               2
48 #define SETUP_MODE_GRAPHICS             3
49 #define SETUP_MODE_SOUND                4
50 #define SETUP_MODE_ARTWORK              5
51 #define SETUP_MODE_INPUT                6
52 #define SETUP_MODE_TOUCH                7
53 #define SETUP_MODE_SHORTCUTS            8
54 #define SETUP_MODE_SHORTCUTS_1          9
55 #define SETUP_MODE_SHORTCUTS_2          10
56 #define SETUP_MODE_SHORTCUTS_3          11
57 #define SETUP_MODE_SHORTCUTS_4          12
58 #define SETUP_MODE_SHORTCUTS_5          13
59
60 /* sub-screens on the setup screen (generic) */
61 #define SETUP_MODE_CHOOSE_ARTWORK       14
62 #define SETUP_MODE_CHOOSE_OTHER         15
63
64 /* sub-screens on the setup screen (specific) */
65 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
66 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
67 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
68 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   19
69 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
70 #define SETUP_MODE_CHOOSE_RENDERING     21
71 #define SETUP_MODE_CHOOSE_VSYNC         22
72 #define SETUP_MODE_CHOOSE_GRAPHICS      23
73 #define SETUP_MODE_CHOOSE_SOUNDS        24
74 #define SETUP_MODE_CHOOSE_MUSIC         25
75 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 26
76 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  27
77 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  28
78 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 29
79 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 30
80 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 31
81 #define SETUP_MODE_CHOOSE_TRANSPARENCY  32
82 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  33
83 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  34
84 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  35
85 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  36
86 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  37
87
88 #define MAX_SETUP_MODES                 38
89
90 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
91
92 /* setup screen titles */
93 #define STR_SETUP_MAIN                  "Setup"
94 #define STR_SETUP_GAME                  "Game & Menu"
95 #define STR_SETUP_EDITOR                "Editor"
96 #define STR_SETUP_GRAPHICS              "Graphics"
97 #define STR_SETUP_SOUND                 "Sound & Music"
98 #define STR_SETUP_ARTWORK               "Custom Artwork"
99 #define STR_SETUP_INPUT                 "Input Devices"
100 #define STR_SETUP_TOUCH                 "Touch Controls"
101 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
102 #define STR_SETUP_EXIT                  "Exit"
103 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
104
105 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
106 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
107 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
108 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
109 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
110 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
111 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
112 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
113 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
114 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
115 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
116 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
117 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
118 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
119 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
120 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
121 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
122 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
123
124 /* for input setup functions */
125 #define SETUPINPUT_SCREEN_POS_START     0
126 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
127 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
128 #define SETUPINPUT_SCREEN_POS_END       13
129
130 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
131 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
132
133 #define MAX_SETUP_TEXT_INPUT_LEN        28
134
135 /* for various menu stuff  */
136 #define MENU_SCREEN_START_XPOS          1
137 #define MENU_SCREEN_START_YPOS          2
138 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
139 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
140 #define MENU_TITLE1_YPOS                8
141 #define MENU_TITLE2_YPOS                46
142 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
143 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
144 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
145 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
146 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
147 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
148 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
149 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
150 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
151 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
152 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
153                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
154                                                          MENU_INFO_FONT_TITLE))
155 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
156 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
157 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
158                                          MENU_SCREEN_INFO_YSTART2 -     \
159                                          TILEY / 2)
160 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
161 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
162                                          MENU_SCREEN_INFO_YSTEP)
163 #define NUM_INFO_ELEMENTS_FROM_CONF     \
164   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
165    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
166    MAX_MENU_ENTRIES_ON_SCREEN)
167 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
168                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
169                                             NUM_INFO_ELEMENTS_FROM_CONF)
170 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
171 #define MAX_MENU_TEXT_LENGTH_BIG        13
172 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
173
174 /* screen gadget identifiers */
175 #define SCREEN_CTRL_ID_PREV_LEVEL       0
176 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
177 #define SCREEN_CTRL_ID_PREV_PLAYER      2
178 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
179 #define SCREEN_CTRL_ID_INSERT_SOLUTION  4
180 #define SCREEN_CTRL_ID_PLAY_SOLUTION    5
181 #define SCREEN_CTRL_ID_SCROLL_UP        6
182 #define SCREEN_CTRL_ID_SCROLL_DOWN      7
183 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  8
184 #define SCREEN_CTRL_ID_NETWORK_SERVER   9
185
186 #define NUM_SCREEN_GADGETS              10
187
188 #define NUM_SCREEN_MENUBUTTONS          6
189 #define NUM_SCREEN_SCROLLBUTTONS        2
190 #define NUM_SCREEN_SCROLLBARS           1
191 #define NUM_SCREEN_TEXTINPUT            1
192
193 #define SCREEN_MASK_MAIN                (1 << 0)
194 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
195 #define SCREEN_MASK_INPUT               (1 << 2)
196
197 /* graphic position and size values for buttons and scrollbars */
198 #define SC_MENUBUTTON_XSIZE             TILEX
199 #define SC_MENUBUTTON_YSIZE             TILEY
200
201 #define SC_SCROLLBUTTON_XSIZE           TILEX
202 #define SC_SCROLLBUTTON_YSIZE           TILEY
203
204 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
205
206 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
207 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
208                                          SC_SCROLLBUTTON_YSIZE)
209
210 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
211 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
212
213 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
214 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
215                                          SC_SCROLLBUTTON_YSIZE)
216
217 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
218 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
219                                          SC_SCROLL_VERTICAL_YSIZE)
220
221 #define SC_BORDER_SIZE                  14
222
223
224 /* forward declarations of internal functions */
225 static void HandleScreenGadgets(struct GadgetInfo *);
226 static void HandleSetupScreen_Generic(int, int, int, int, int);
227 static void HandleSetupScreen_Input(int, int, int, int, int);
228 static void CustomizeKeyboard(int);
229 static void ConfigureJoystick(int);
230 static void ConfigureVirtualButtons(void);
231 static void execSetupGame(void);
232 static void execSetupGraphics(void);
233 static void execSetupSound(void);
234 static void execSetupTouch(void);
235 static void execSetupArtwork(void);
236 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
237
238 static void DrawChooseLevelSet(void);
239 static void DrawChooseLevelNr(void);
240 static void DrawInfoScreen(void);
241 static void DrawSetupScreen(void);
242
243 static void DrawInfoScreen_NotAvailable(char *, char *);
244 static void DrawInfoScreen_HelpAnim(int, int, boolean);
245 static void DrawInfoScreen_HelpText(int, int, int, int);
246 static void HandleInfoScreen_Main(int, int, int, int, int);
247 static void HandleInfoScreen_TitleScreen(int);
248 static void HandleInfoScreen_Elements(int);
249 static void HandleInfoScreen_Music(int);
250 static void HandleInfoScreen_Credits(int);
251 static void HandleInfoScreen_Program(int);
252 static void HandleInfoScreen_Version(int);
253
254 static void ModifyGameSpeedIfNeeded(void);
255 static void DisableVsyncIfNeeded(void);
256
257 static void MapScreenMenuGadgets(int);
258 static void MapScreenGadgets(int);
259 static void MapScreenTreeGadgets(TreeInfo *);
260
261 static void UpdateScreenMenuGadgets(int, boolean);
262
263 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
264
265 static int info_mode = INFO_MODE_MAIN;
266 static int setup_mode = SETUP_MODE_MAIN;
267
268 static TreeInfo *window_sizes = NULL;
269 static TreeInfo *window_size_current = NULL;
270
271 static TreeInfo *scaling_types = NULL;
272 static TreeInfo *scaling_type_current = NULL;
273
274 static TreeInfo *rendering_modes = NULL;
275 static TreeInfo *rendering_mode_current = NULL;
276
277 static TreeInfo *vsync_modes = NULL;
278 static TreeInfo *vsync_mode_current = NULL;
279
280 static TreeInfo *scroll_delays = NULL;
281 static TreeInfo *scroll_delay_current = NULL;
282
283 static TreeInfo *snapshot_modes = NULL;
284 static TreeInfo *snapshot_mode_current = NULL;
285
286 static TreeInfo *game_speeds_normal = NULL;
287 static TreeInfo *game_speeds_extended = NULL;
288 static TreeInfo *game_speeds = NULL;
289 static TreeInfo *game_speed_current = NULL;
290
291 static TreeInfo *volumes_simple = NULL;
292 static TreeInfo *volume_simple_current = NULL;
293
294 static TreeInfo *volumes_loops = NULL;
295 static TreeInfo *volume_loops_current = NULL;
296
297 static TreeInfo *volumes_music = NULL;
298 static TreeInfo *volume_music_current = NULL;
299
300 static TreeInfo *touch_controls = NULL;
301 static TreeInfo *touch_control_current = NULL;
302
303 static TreeInfo *move_distances = NULL;
304 static TreeInfo *move_distance_current = NULL;
305
306 static TreeInfo *drop_distances = NULL;
307 static TreeInfo *drop_distance_current = NULL;
308
309 static TreeInfo *transparencies = NULL;
310 static TreeInfo *transparency_current = NULL;
311
312 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
313 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
314
315 static TreeInfo *level_number = NULL;
316 static TreeInfo *level_number_current = NULL;
317
318 static struct ValueTextInfo window_sizes_list[] =
319 {
320   {     50,     "50 %"                          },
321   {     80,     "80 %"                          },
322   {     90,     "90 %"                          },
323   {     100,    "100 % (Default)"               },
324   {     110,    "110 %"                         },
325   {     120,    "120 %"                         },
326   {     130,    "130 %"                         },
327   {     140,    "140 %"                         },
328   {     150,    "150 %"                         },
329   {     200,    "200 %"                         },
330   {     250,    "250 %"                         },
331   {     300,    "300 %"                         },
332
333   {     -1,     NULL                            },
334 };
335
336 static struct StringValueTextInfo scaling_types_list[] =
337 {
338   {     SCALING_QUALITY_NEAREST, "Off"          },
339   {     SCALING_QUALITY_LINEAR,  "Linear"       },
340   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
341
342   {     NULL,                    NULL           },
343 };
344
345 static struct StringValueTextInfo rendering_modes_list[] =
346 {
347   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
348   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
349 #if DEBUG
350   // this mode may work under certain conditions, but does not work on Windows
351   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
352 #endif
353   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
354
355   {     NULL,                            NULL                            },
356 };
357
358 static struct StringValueTextInfo vsync_modes_list[] =
359 {
360   {     STR_VSYNC_MODE_OFF,             "Off"           },
361   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
362   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
363
364   {     NULL,                            NULL           },
365 };
366
367 static struct ValueTextInfo game_speeds_list_normal[] =
368 {
369   {     30,     "Very Slow"                     },
370   {     25,     "Slow"                          },
371   {     20,     "Normal"                        },
372   {     15,     "Fast"                          },
373   {     10,     "Very Fast"                     },
374
375   {     -1,     NULL                            },
376 };
377
378 static struct ValueTextInfo game_speeds_list_extended[] =
379 {
380   {     1000,   "1 fps (Extremely Slow)"        },
381   {     500,    "2 fps"                         },
382   {     200,    "5 fps"                         },
383   {     100,    "10 fps"                        },
384   {     50,     "20 fps"                        },
385   {     29,     "35 fps (Original Supaplex)"    },
386   {     25,     "40 fps"                        },
387   {     20,     "50 fps (=== Normal Speed ===)" },
388   {     16,     "60 fps (60 Hz VSync Speed)"    },
389   {     14,     "70 fps (Maximum Supaplex)"     },
390   {     10,     "100 fps"                       },
391   {     5,      "200 fps"                       },
392   {     2,      "500 fps"                       },
393   {     1,      "1000 fps (Extremely Fast)"     },
394
395   {     -1,     NULL                            },
396 };
397
398 static struct ValueTextInfo *game_speeds_list;
399
400 static struct ValueTextInfo scroll_delays_list[] =
401 {
402   {     0,      "0 Tiles (No Scroll Delay)"     },
403   {     1,      "1 Tile"                        },
404   {     2,      "2 Tiles"                       },
405   {     3,      "3 Tiles (Default)"             },
406   {     4,      "4 Tiles"                       },
407   {     5,      "5 Tiles"                       },
408   {     6,      "6 Tiles"                       },
409   {     7,      "7 Tiles"                       },
410   {     8,      "8 Tiles (Maximum Scroll Delay)"},
411
412   {     -1,     NULL                            },
413 };
414
415 static struct StringValueTextInfo snapshot_modes_list[] =
416 {
417   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
418   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
419   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
420   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
421
422   {     NULL,                                   NULL            },
423 };
424
425 static struct ValueTextInfo volumes_list[] =
426 {
427   {     0,      "0 %"                           },
428   {     1,      "1 %"                           },
429   {     2,      "2 %"                           },
430   {     5,      "5 %"                           },
431   {     10,     "10 %"                          },
432   {     20,     "20 %"                          },
433   {     30,     "30 %"                          },
434   {     40,     "40 %"                          },
435   {     50,     "50 %"                          },
436   {     60,     "60 %"                          },
437   {     70,     "70 %"                          },
438   {     80,     "80 %"                          },
439   {     90,     "90 %"                          },
440   {     100,    "100 %"                         },
441
442   {     -1,     NULL                            },
443 };
444
445 static struct StringValueTextInfo touch_controls_list[] =
446 {
447   {     TOUCH_CONTROL_OFF,              "Off"                   },
448   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
449   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
450   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
451
452   {     NULL,                           NULL                    },
453 };
454
455 static struct ValueTextInfo distances_list[] =
456 {
457   {     1,      "1 %"                           },
458   {     2,      "2 %"                           },
459   {     3,      "3 %"                           },
460   {     4,      "4 %"                           },
461   {     5,      "5 %"                           },
462   {     10,     "10 %"                          },
463   {     15,     "15 %"                          },
464   {     20,     "20 %"                          },
465   {     25,     "25 %"                          },
466
467   {     -1,     NULL                            },
468 };
469
470 static struct ValueTextInfo transparencies_list[] =
471 {
472   {     0,      "0 % (Opaque)"                  },
473   {     10,     "10 %"                          },
474   {     20,     "20 %"                          },
475   {     30,     "30 %"                          },
476   {     40,     "40 %"                          },
477   {     50,     "50 %"                          },
478   {     60,     "60 %"                          },
479   {     70,     "70 %"                          },
480   {     80,     "80 %"                          },
481   {     90,     "90 %"                          },
482   {     100,    "100 % (Invisible)"             },
483
484   {     -1,     NULL                            },
485 };
486
487 static struct ValueTextInfo grid_sizes_list[] =
488 {
489   {     3,      "3"                             },
490   {     4,      "4"                             },
491   {     5,      "5"                             },
492   {     6,      "6"                             },
493   {     7,      "7"                             },
494   {     8,      "8"                             },
495   {     9,      "9"                             },
496   {     10,     "10"                            },
497   {     11,     "11"                            },
498   {     12,     "12"                            },
499   {     13,     "13"                            },
500   {     14,     "14"                            },
501   {     15,     "15"                            },
502   {     16,     "16"                            },
503   {     17,     "17"                            },
504   {     18,     "18"                            },
505   {     19,     "19"                            },
506   {     20,     "20"                            },
507   {     21,     "21"                            },
508   {     22,     "22"                            },
509   {     23,     "23"                            },
510   {     24,     "24"                            },
511   {     25,     "25"                            },
512   {     26,     "26"                            },
513   {     27,     "27"                            },
514   {     28,     "28"                            },
515   {     29,     "29"                            },
516   {     30,     "30"                            },
517   {     31,     "31"                            },
518   {     32,     "32"                            },
519
520   {     -1,     NULL                            },
521 };
522
523 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
524                                  (s) <= GAME_MODE_SETUP ? (s) :         \
525                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
526                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
527
528 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
529 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
530                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
531                                  INFO_MODE_MAIN)
532
533 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
534                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
535                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
536                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
537                                  SETUP_MODE_CHOOSE_ARTWORK :            \
538                                  SETUP_MODE_CHOOSE_OTHER)
539
540 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
541                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
542                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
543 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
544                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
545                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
546 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
547                                  menu.extra_spacing[GAME_MODE_INFO] :   \
548                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
549
550 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
551                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
552                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
553 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
554                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
555                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
556 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
557                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
558                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
559
560 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
561                                  DRAW_XOFFSET_INFO(info_mode) :         \
562                                  (s) == GAME_MODE_SETUP ?               \
563                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
564                                  menu.draw_xoffset[DRAW_MODE(s)])
565 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
566                                  DRAW_YOFFSET_INFO(info_mode) :         \
567                                  (s) == GAME_MODE_SETUP ?               \
568                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
569                                  menu.draw_yoffset[DRAW_MODE(s)])
570 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
571                                  EXTRA_SPACING_INFO(info_mode) :        \
572                                  (s) == GAME_MODE_SETUP ?               \
573                                  EXTRA_SPACING_SETUP(setup_mode) :      \
574                                  menu.extra_spacing[DRAW_MODE(s)])
575
576 #define mSX                     (SX + DRAW_XOFFSET(game_status))
577 #define mSY                     (SY + DRAW_YOFFSET(game_status))
578
579 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
580                                     menu.list_size[game_status] :       \
581                                     MAX_MENU_ENTRIES_ON_SCREEN)
582
583 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
584                                          NUM_MENU_ENTRIES_ON_SCREEN)
585
586
587 /* title display and control definitions */
588
589 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
590                                  2 * MAX_NUM_TITLE_MESSAGES)
591
592 #define NO_DIRECT_LEVEL_SELECT  (-1)
593
594
595 static int num_title_screens = 0;
596
597 struct TitleControlInfo
598 {
599   boolean is_image;
600   boolean initial;
601   boolean first;
602   int local_nr;
603   int sort_priority;
604 };
605
606 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
607
608 /* main menu display and control definitions */
609
610 #define MAIN_CONTROL_NAME                       0
611 #define MAIN_CONTROL_LEVELS                     1
612 #define MAIN_CONTROL_SCORES                     2
613 #define MAIN_CONTROL_EDITOR                     3
614 #define MAIN_CONTROL_INFO                       4
615 #define MAIN_CONTROL_GAME                       5
616 #define MAIN_CONTROL_SETUP                      6
617 #define MAIN_CONTROL_QUIT                       7
618 #define MAIN_CONTROL_PREV_LEVEL                 8
619 #define MAIN_CONTROL_NEXT_LEVEL                 9
620 #define MAIN_CONTROL_FIRST_LEVEL                10
621 #define MAIN_CONTROL_LAST_LEVEL                 11
622 #define MAIN_CONTROL_LEVEL_NUMBER               12
623 #define MAIN_CONTROL_LEVEL_INFO_1               13
624 #define MAIN_CONTROL_LEVEL_INFO_2               14
625 #define MAIN_CONTROL_LEVEL_NAME                 15
626 #define MAIN_CONTROL_LEVEL_AUTHOR               16
627 #define MAIN_CONTROL_LEVEL_YEAR                 17
628 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
629 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
630 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
631 #define MAIN_CONTROL_TITLE_1                    21
632 #define MAIN_CONTROL_TITLE_2                    22
633 #define MAIN_CONTROL_TITLE_3                    23
634
635 static char str_main_text_name[10];
636 static char str_main_text_first_level[10];
637 static char str_main_text_last_level[10];
638 static char str_main_text_level_number[10];
639
640 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
641
642 static char *main_text_name                     = str_main_text_name;
643 static char *main_text_first_level              = str_main_text_first_level;
644 static char *main_text_last_level               = str_main_text_last_level;
645 static char *main_text_level_number             = str_main_text_level_number;
646 static char *main_text_levels                   = "Levelset";
647 static char *main_text_scores                   = "Hall Of Fame";
648 static char *main_text_editor                   = "Level Creator";
649 static char *main_text_info                     = "Info Screen";
650 static char *main_text_game                     = "Start Game";
651 static char *main_text_setup                    = "Setup";
652 static char *main_text_quit                     = "Quit";
653 static char *main_text_level_name               = level.name;
654 static char *main_text_level_author             = level.author;
655 static char *main_text_level_year               = NULL;
656 static char *main_text_level_imported_from      = NULL;
657 static char *main_text_level_imported_by        = NULL;
658 static char *main_text_level_tested_by          = NULL;
659 static char *main_text_title_1                  = NULL;
660 static char *main_text_title_2                  = NULL;
661 static char *main_text_title_3                  = NULL;
662
663 struct MainControlInfo
664 {
665   int nr;
666
667   struct MenuPosInfo *pos_button;
668   int button_graphic;
669
670   struct TextPosInfo *pos_text;
671   char **text;
672
673   struct TextPosInfo *pos_input;
674   char **input;
675 };
676
677 static struct MainControlInfo main_controls[] =
678 {
679   {
680     MAIN_CONTROL_NAME,
681     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
682     &menu.main.text.name,               &main_text_name,
683     &menu.main.input.name,              &setup.player_name,
684   },
685   {
686     MAIN_CONTROL_LEVELS,
687     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
688     &menu.main.text.levels,             &main_text_levels,
689     NULL,                               NULL,
690   },
691   {
692     MAIN_CONTROL_SCORES,
693     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
694     &menu.main.text.scores,             &main_text_scores,
695     NULL,                               NULL,
696   },
697   {
698     MAIN_CONTROL_EDITOR,
699     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
700     &menu.main.text.editor,             &main_text_editor,
701     NULL,                               NULL,
702   },
703   {
704     MAIN_CONTROL_INFO,
705     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
706     &menu.main.text.info,               &main_text_info,
707     NULL,                               NULL,
708   },
709   {
710     MAIN_CONTROL_GAME,
711     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
712     &menu.main.text.game,               &main_text_game,
713     NULL,                               NULL,
714   },
715   {
716     MAIN_CONTROL_SETUP,
717     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
718     &menu.main.text.setup,              &main_text_setup,
719     NULL,                               NULL,
720   },
721   {
722     MAIN_CONTROL_QUIT,
723     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
724     &menu.main.text.quit,               &main_text_quit,
725     NULL,                               NULL,
726   },
727 #if 0
728   /* (these two buttons are real gadgets) */
729   {
730     MAIN_CONTROL_PREV_LEVEL,
731     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
732     NULL,                               NULL,
733     NULL,                               NULL,
734   },
735   {
736     MAIN_CONTROL_NEXT_LEVEL,
737     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
738     NULL,                               NULL,
739     NULL,                               NULL,
740   },
741 #endif
742   {
743     MAIN_CONTROL_FIRST_LEVEL,
744     &menu.main.button.first_level,      IMG_MENU_BUTTON_FIRST_LEVEL,
745     &menu.main.text.first_level,        &main_text_first_level,
746     NULL,                               NULL,
747   },
748   {
749     MAIN_CONTROL_LAST_LEVEL,
750     &menu.main.button.last_level,       IMG_MENU_BUTTON_LAST_LEVEL,
751     &menu.main.text.last_level,         &main_text_last_level,
752     NULL,                               NULL,
753   },
754   {
755     MAIN_CONTROL_LEVEL_NUMBER,
756     &menu.main.button.level_number,     IMG_MENU_BUTTON_LEVEL_NUMBER,
757     &menu.main.text.level_number,       &main_text_level_number,
758     NULL,                               NULL,
759   },
760   {
761     MAIN_CONTROL_LEVEL_INFO_1,
762     NULL,                               -1,
763     &menu.main.text.level_info_1,       NULL,
764     NULL,                               NULL,
765   },
766   {
767     MAIN_CONTROL_LEVEL_INFO_2,
768     NULL,                               -1,
769     &menu.main.text.level_info_2,       NULL,
770     NULL,                               NULL,
771   },
772   {
773     MAIN_CONTROL_LEVEL_NAME,
774     NULL,                               -1,
775     &menu.main.text.level_name,         &main_text_level_name,
776     NULL,                               NULL,
777   },
778   {
779     MAIN_CONTROL_LEVEL_AUTHOR,
780     NULL,                               -1,
781     &menu.main.text.level_author,       &main_text_level_author,
782     NULL,                               NULL,
783   },
784   {
785     MAIN_CONTROL_LEVEL_YEAR,
786     NULL,                               -1,
787     &menu.main.text.level_year,         &main_text_level_year,
788     NULL,                               NULL,
789   },
790   {
791     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
792     NULL,                               -1,
793     &menu.main.text.level_imported_from, &main_text_level_imported_from,
794     NULL,                               NULL,
795   },
796   {
797     MAIN_CONTROL_LEVEL_IMPORTED_BY,
798     NULL,                               -1,
799     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
800     NULL,                               NULL,
801   },
802   {
803     MAIN_CONTROL_LEVEL_TESTED_BY,
804     NULL,                               -1,
805     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
806     NULL,                               NULL,
807   },
808   {
809     MAIN_CONTROL_TITLE_1,
810     NULL,                               -1,
811     &menu.main.text.title_1,            &main_text_title_1,
812     NULL,                               NULL,
813   },
814   {
815     MAIN_CONTROL_TITLE_2,
816     NULL,                               -1,
817     &menu.main.text.title_2,            &main_text_title_2,
818     NULL,                               NULL,
819   },
820   {
821     MAIN_CONTROL_TITLE_3,
822     NULL,                               -1,
823     &menu.main.text.title_3,            &main_text_title_3,
824     NULL,                               NULL,
825   },
826
827   {
828     -1,
829     NULL,                               -1,
830     NULL,                               NULL,
831     NULL,                               NULL,
832   }
833 };
834
835
836 static int getTitleScreenGraphic(int nr, boolean initial)
837 {
838   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
839 }
840
841 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
842 {
843   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
844 }
845
846 #if 0
847 static int getTitleScreenGameMode(boolean initial)
848 {
849   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
850 }
851 #endif
852
853 static int getTitleMessageGameMode(boolean initial)
854 {
855   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
856 }
857
858 static int getTitleAnimMode(struct TitleControlInfo *tci)
859 {
860   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
861
862   return base + tci->local_nr;
863 }
864
865 #if 0
866 static int getTitleScreenBackground(boolean initial)
867 {
868   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
869 }
870 #endif
871
872 #if 0
873 static int getTitleMessageBackground(int nr, boolean initial)
874 {
875   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
876 }
877 #endif
878
879 static int getTitleBackground(int nr, boolean initial, boolean is_image)
880 {
881   int base = (is_image ?
882               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
883                          IMG_BACKGROUND_TITLESCREEN_1) :
884               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
885                          IMG_BACKGROUND_TITLEMESSAGE_1));
886   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
887                                   IMG_BACKGROUND_TITLE);
888   int graphic_local = base + nr;
889
890   if (graphic_info[graphic_local].bitmap != NULL)
891     return graphic_local;
892
893   if (graphic_info[graphic_global].bitmap != NULL)
894     return graphic_global;
895
896   return IMG_UNDEFINED;
897 }
898
899 static int getTitleSound(struct TitleControlInfo *tci)
900 {
901   boolean is_image = tci->is_image;
902   int initial = tci->initial;
903   int nr = tci->local_nr;
904   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
905   int base = (is_image ?
906               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
907                          SND_BACKGROUND_TITLESCREEN_1) :
908               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
909                          SND_BACKGROUND_TITLEMESSAGE_1));
910   int sound_global = menu.sound[mode];
911   int sound_local = base + nr;
912
913 #if 0
914   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
915          nr, initial, is_image,
916          sound_global, getSoundListEntry(sound_global)->filename,
917          sound_local, getSoundListEntry(sound_local)->filename);
918 #endif
919
920   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
921     return sound_local;
922
923   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
924     return sound_global;
925
926   return SND_UNDEFINED;
927 }
928
929 static int getTitleMusic(struct TitleControlInfo *tci)
930 {
931   boolean is_image = tci->is_image;
932   int initial = tci->initial;
933   int nr = tci->local_nr;
934   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
935   int base = (is_image ?
936               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
937                          MUS_BACKGROUND_TITLESCREEN_1) :
938               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
939                          MUS_BACKGROUND_TITLEMESSAGE_1));
940   int music_global = menu.music[mode];
941   int music_local = base + nr;
942
943 #if 0
944   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
945          nr, initial, is_image,
946          music_global, getMusicListEntry(music_global)->filename,
947          music_local, getMusicListEntry(music_local)->filename);
948 #endif
949
950   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
951     return music_local;
952
953   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
954     return music_global;
955
956   return MUS_UNDEFINED;
957 }
958
959 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
960 {
961   boolean is_image = tci->is_image;
962   boolean initial = tci->initial;
963   boolean first = tci->first;
964   int nr = tci->local_nr;
965   struct TitleMessageInfo tmi;
966   struct TitleFadingInfo ti;
967
968   tmi = (is_image ? (initial ? (first ?
969                                 titlescreen_initial_first[nr] :
970                                 titlescreen_initial[nr])
971                              : (first ?
972                                 titlescreen_first[nr] :
973                                 titlescreen[nr]))
974                   : (initial ? (first ?
975                                 titlemessage_initial_first[nr] :
976                                 titlemessage_initial[nr])
977                              : (first ?
978                                 titlemessage_first[nr] :
979                                 titlemessage[nr])));
980
981   ti.fade_mode  = tmi.fade_mode;
982   ti.fade_delay = tmi.fade_delay;
983   ti.post_delay = tmi.post_delay;
984   ti.auto_delay = tmi.auto_delay;
985
986   return ti;
987 }
988
989 static int compareTitleControlInfo(const void *object1, const void *object2)
990 {
991   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
992   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
993   int compare_result;
994
995   if (tci1->initial != tci2->initial)
996     compare_result = (tci1->initial ? -1 : +1);
997   else if (tci1->sort_priority != tci2->sort_priority)
998     compare_result = tci1->sort_priority - tci2->sort_priority;
999   else if (tci1->is_image != tci2->is_image)
1000     compare_result = (tci1->is_image ? -1 : +1);
1001   else
1002     compare_result = tci1->local_nr - tci2->local_nr;
1003
1004   return compare_result;
1005 }
1006
1007 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1008                                                     boolean initial,
1009                                                     int nr, int sort_priority)
1010 {
1011   title_controls[num_title_screens].is_image = is_image;
1012   title_controls[num_title_screens].initial = initial;
1013   title_controls[num_title_screens].local_nr = nr;
1014   title_controls[num_title_screens].sort_priority = sort_priority;
1015
1016   title_controls[num_title_screens].first = FALSE;      /* will be set later */
1017
1018   num_title_screens++;
1019 }
1020
1021 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1022 {
1023   int i;
1024
1025   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1026   {
1027     int graphic = getTitleScreenGraphic(i, initial);
1028     Bitmap *bitmap = graphic_info[graphic].bitmap;
1029     int sort_priority = graphic_info[graphic].sort_priority;
1030
1031     if (bitmap != NULL)
1032       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1033   }
1034
1035   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1036   {
1037     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1038     char *filename = getLevelSetTitleMessageFilename(i, initial);
1039     int sort_priority = tmi->sort_priority;
1040
1041     if (filename != NULL)
1042       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1043   }
1044 }
1045
1046 static void InitializeTitleControls(boolean show_title_initial)
1047 {
1048   num_title_screens = 0;
1049
1050   /* 1st step: initialize title screens for game start (only when starting) */
1051   if (show_title_initial)
1052     InitializeTitleControls_CheckTitleInfo(TRUE);
1053
1054   /* 2nd step: initialize title screens for current level set */
1055   InitializeTitleControls_CheckTitleInfo(FALSE);
1056
1057   /* sort title screens according to sort_priority and title number */
1058   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1059         compareTitleControlInfo);
1060
1061   /* mark first title screen */
1062   title_controls[0].first = TRUE;
1063 }
1064
1065 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1066 {
1067   return (pos != NULL && pos->x != -1 && pos->y != -1);
1068 }
1069
1070 static boolean visibleTextPos(struct TextPosInfo *pos)
1071 {
1072   return (pos != NULL && pos->x != -1 && pos->y != -1);
1073 }
1074
1075 static void InitializeMainControls(void)
1076 {
1077   boolean local_team_mode = (!network.enabled && setup.team_mode);
1078   int i;
1079
1080   /* set main control text values to dynamically determined values */
1081   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1082
1083   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1084                                          menu.main.text.first_level.size));
1085   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1086                                          menu.main.text.last_level.size));
1087   strcpy(main_text_level_number, int2str(level_nr,
1088                                          menu.main.text.level_number.size));
1089
1090   main_text_level_year          = leveldir_current->year;
1091   main_text_level_imported_from = leveldir_current->imported_from;
1092   main_text_level_imported_by   = leveldir_current->imported_by;
1093   main_text_level_tested_by     = leveldir_current->tested_by;
1094
1095   main_text_title_1 = getConfigProgramTitleString();
1096   main_text_title_2 = getConfigProgramCopyrightString();
1097   main_text_title_3 = getConfigProgramCompanyString();
1098
1099   /* set main control screen positions to dynamically determined values */
1100   for (i = 0; main_controls[i].nr != -1; i++)
1101   {
1102     struct MainControlInfo *mci = &main_controls[i];
1103     int nr                         = mci->nr;
1104     struct MenuPosInfo *pos_button = mci->pos_button;
1105     struct TextPosInfo *pos_text   = mci->pos_text;
1106     struct TextPosInfo *pos_input  = mci->pos_input;
1107     char *text                     = (mci->text  ? *mci->text  : NULL);
1108     char *input                    = (mci->input ? *mci->input : NULL);
1109     int button_graphic             = mci->button_graphic;
1110     int font_text                  = (pos_text  ? pos_text->font  : -1);
1111     int font_input                 = (pos_input ? pos_input->font : -1);
1112
1113     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1114     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1115     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1116     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1117     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1118     int input_chars = (input != NULL ? strlen(input) : 0);
1119
1120     int button_width =
1121       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1122     int button_height =
1123       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1124     int text_width   = font_text_width * text_chars;
1125     int text_height  = font_text_height;
1126     int input_width  = font_input_width * input_chars;
1127     int input_height = font_input_height;
1128
1129     if (nr == MAIN_CONTROL_NAME)
1130     {
1131       menu.main.input.name.width  = input_width;
1132       menu.main.input.name.height = input_height;
1133     }
1134
1135     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
1136     {
1137       pos_button->width  = button_width;
1138       pos_button->height = button_height;
1139     }
1140
1141     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1142     {
1143       /* calculate text size -- needed for text alignment */
1144       boolean calculate_text_size = (text != NULL);
1145
1146       if (pos_text->width == -1 || calculate_text_size)
1147         pos_text->width = text_width;
1148       if (pos_text->height == -1 || calculate_text_size)
1149         pos_text->height = text_height;
1150
1151       if (visibleMenuPos(pos_button))
1152       {
1153         if (pos_text->x == -1)
1154           pos_text->x = pos_button->x + pos_button->width;
1155         if (pos_text->y == -1)
1156           pos_text->y =
1157             pos_button->y + (pos_button->height - pos_text->height) / 2;
1158       }
1159     }
1160
1161     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1162     {
1163       if (visibleTextPos(pos_text))
1164       {
1165         if (pos_input->x == -1)
1166           pos_input->x = pos_text->x + pos_text->width;
1167         if (pos_input->y == -1)
1168           pos_input->y = pos_text->y;
1169       }
1170
1171       if (pos_input->width == -1)
1172         pos_input->width = input_width;
1173       if (pos_input->height == -1)
1174         pos_input->height = input_height;
1175     }
1176   }
1177 }
1178
1179 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1180                                        int graphic, boolean pressed)
1181 {
1182   struct GraphicInfo *g = &graphic_info[graphic];
1183   Bitmap *src_bitmap;
1184   int src_x, src_y;
1185   int xoffset = (pressed ? g->pressed_xoffset : 0);
1186   int yoffset = (pressed ? g->pressed_yoffset : 0);
1187
1188   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1189
1190   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1191                    g->width, g->height, dst_x, dst_y);
1192 }
1193
1194 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1195                                        boolean active_input,
1196                                        boolean pressed_button)
1197 {
1198   int i;
1199
1200   for (i = 0; main_controls[i].nr != -1; i++)
1201   {
1202     struct MainControlInfo *mci = &main_controls[i];
1203
1204     if (mci->nr == nr || nr == -1)
1205     {
1206       struct MenuPosInfo *pos_button = mci->pos_button;
1207       struct TextPosInfo *pos_text   = mci->pos_text;
1208       struct TextPosInfo *pos_input  = mci->pos_input;
1209       char *text                     = (mci->text  ? *mci->text  : NULL);
1210       char *input                    = (mci->input ? *mci->input : NULL);
1211       int button_graphic             = mci->button_graphic;
1212       int font_text                  = (pos_text  ? pos_text->font  : -1);
1213       int font_input                 = (pos_input ? pos_input->font : -1);
1214
1215       if (active_text)
1216       {
1217         button_graphic = BUTTON_ACTIVE(button_graphic);
1218         font_text = FONT_ACTIVE(font_text);
1219       }
1220
1221       if (active_input)
1222       {
1223         font_input = FONT_ACTIVE(font_input);
1224       }
1225
1226       if (visibleMenuPos(pos_button))
1227       {
1228         struct MenuPosInfo *pos = pos_button;
1229         int x = mSX + pos->x;
1230         int y = mSY + pos->y;
1231
1232         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1233         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1234       }
1235
1236       if (visibleTextPos(pos_text) && text != NULL)
1237       {
1238         struct TextPosInfo *pos = pos_text;
1239         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1240         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1241
1242 #if 1
1243         /* (check why/if this is needed) */
1244         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1245 #endif
1246         DrawText(x, y, text, font_text);
1247       }
1248
1249       if (visibleTextPos(pos_input) && input != NULL)
1250       {
1251         struct TextPosInfo *pos = pos_input;
1252         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1253         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1254
1255 #if 1
1256         /* (check why/if this is needed) */
1257         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1258 #endif
1259         DrawText(x, y, input, font_input);
1260       }
1261     }
1262   }
1263 }
1264
1265 static void DrawCursorAndText_Main(int nr, boolean active_text,
1266                                    boolean pressed_button)
1267 {
1268   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1269 }
1270
1271 #if 0
1272 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1273                                          boolean pressed_button)
1274 {
1275   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1276 }
1277 #endif
1278
1279 static struct MainControlInfo *getMainControlInfo(int nr)
1280 {
1281   int i;
1282
1283   for (i = 0; main_controls[i].nr != -1; i++)
1284     if (main_controls[i].nr == nr)
1285       return &main_controls[i];
1286
1287   return NULL;
1288 }
1289
1290 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1291 {
1292   if (rect == NULL)
1293     return FALSE;
1294
1295   int rect_x = ALIGNED_TEXT_XPOS(rect);
1296   int rect_y = ALIGNED_TEXT_YPOS(rect);
1297
1298   return (x >= rect_x && x < rect_x + rect->width &&
1299           y >= rect_y && y < rect_y + rect->height);
1300 }
1301
1302 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1303 {
1304   if (rect == NULL)
1305     return FALSE;
1306
1307   int rect_x = ALIGNED_TEXT_XPOS(rect);
1308   int rect_y = ALIGNED_TEXT_YPOS(rect);
1309
1310 #if 0
1311   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1312          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1313          (x >= rect_x && x < rect_x + rect->width &&
1314           y >= rect_y && y < rect_y + rect->height));
1315 #endif
1316
1317   return (x >= rect_x && x < rect_x + rect->width &&
1318           y >= rect_y && y < rect_y + rect->height);
1319 }
1320
1321 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1322 {
1323   int rect_width  = preview->xsize * preview->tile_size;
1324   int rect_height = preview->ysize * preview->tile_size;
1325   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1326   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1327
1328   return (x >= rect_x && x < rect_x + rect_width &&
1329           y >= rect_y && y < rect_y + rect_height);
1330 }
1331
1332 static void AdjustScrollbar(int id, int items_max, int items_visible,
1333                             int item_position)
1334 {
1335   struct GadgetInfo *gi = screen_gadget[id];
1336
1337   if (item_position > items_max - items_visible)
1338     item_position = items_max - items_visible;
1339
1340   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1341                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1342                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1343 }
1344
1345 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1346 {
1347   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1348                   first_entry);
1349 }
1350
1351 static void clearMenuListArea(void)
1352 {
1353   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1354
1355   /* correct scrollbar position if placed outside menu (playfield) area */
1356   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1357     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1358
1359   /* clear menu list area, but not title or scrollbar */
1360   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1361                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1362 }
1363
1364 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1365 {
1366   static int cursor_array[MAX_LEV_FIELDY];
1367   int x = mSX + TILEX * xpos;
1368   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1369
1370   if (xpos == 0)
1371   {
1372     if (graphic != -1)
1373       cursor_array[ypos] = graphic;
1374     else
1375       graphic = cursor_array[ypos];
1376   }
1377
1378   if (active)
1379     graphic = BUTTON_ACTIVE(graphic);
1380
1381   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1382   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1383 }
1384
1385 static void initCursor(int ypos, int graphic)
1386 {
1387   drawCursorExt(0, ypos, FALSE, graphic);
1388 }
1389
1390 static void drawCursor(int ypos, boolean active)
1391 {
1392   drawCursorExt(0, ypos, active, -1);
1393 }
1394
1395 static void drawCursorXY(int xpos, int ypos, int graphic)
1396 {
1397   drawCursorExt(xpos, ypos, FALSE, graphic);
1398 }
1399
1400 static void drawChooseTreeCursor(int ypos, boolean active)
1401 {
1402   drawCursorExt(0, ypos, active, -1);
1403 }
1404
1405 static void DrawHeadline(void)
1406 {
1407   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1408   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1409 }
1410
1411 static void DrawTitleScreenImage(int nr, boolean initial)
1412 {
1413   int graphic = getTitleScreenGraphic(nr, initial);
1414   Bitmap *bitmap = graphic_info[graphic].bitmap;
1415   int width  = graphic_info[graphic].width;
1416   int height = graphic_info[graphic].height;
1417   int src_x = graphic_info[graphic].src_x;
1418   int src_y = graphic_info[graphic].src_y;
1419   int dst_x, dst_y;
1420
1421   if (bitmap == NULL)
1422     return;
1423
1424   if (width > WIN_XSIZE)
1425   {
1426     /* image width too large for window => center image horizontally */
1427     src_x = (width - WIN_XSIZE) / 2;
1428     width = WIN_XSIZE;
1429   }
1430
1431   if (height > WIN_YSIZE)
1432   {
1433     /* image height too large for window => center image vertically */
1434     src_y = (height - WIN_YSIZE) / 2;
1435     height = WIN_YSIZE;
1436   }
1437
1438   /* always display title screens centered */
1439   dst_x = (WIN_XSIZE - width) / 2;
1440   dst_y = (WIN_YSIZE - height) / 2;
1441
1442   SetDrawBackgroundMask(REDRAW_ALL);
1443   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1444
1445   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1446
1447   if (DrawingOnBackground(dst_x, dst_y))
1448     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1449   else
1450     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1451
1452   redraw_mask = REDRAW_ALL;
1453 }
1454
1455 static void DrawTitleScreenMessage(int nr, boolean initial)
1456 {
1457   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1458   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1459
1460   if (filename == NULL)
1461     return;
1462
1463   /* force TITLE font on title message screen */
1464   SetFontStatus(getTitleMessageGameMode(initial));
1465
1466   /* if chars *and* width set to "-1", automatically determine width */
1467   if (tmi->chars == -1 && tmi->width == -1)
1468     tmi->width = viewport.window[game_status].width;
1469
1470   /* if lines *and* height set to "-1", automatically determine height */
1471   if (tmi->lines == -1 && tmi->height == -1)
1472     tmi->height = viewport.window[game_status].height;
1473
1474   /* if chars set to "-1", automatically determine by text and font width */
1475   if (tmi->chars == -1)
1476     tmi->chars = tmi->width / getFontWidth(tmi->font);
1477   else
1478     tmi->width = tmi->chars * getFontWidth(tmi->font);
1479
1480   /* if lines set to "-1", automatically determine by text and font height */
1481   if (tmi->lines == -1)
1482     tmi->lines = tmi->height / getFontHeight(tmi->font);
1483   else
1484     tmi->height = tmi->lines * getFontHeight(tmi->font);
1485
1486   /* if x set to "-1", automatically determine by width and alignment */
1487   if (tmi->x == -1)
1488     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1489
1490   /* if y set to "-1", automatically determine by height and alignment */
1491   if (tmi->y == -1)
1492     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1493
1494   SetDrawBackgroundMask(REDRAW_ALL);
1495   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1496
1497   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1498
1499   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1500                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1501                tmi->autowrap, tmi->centered, tmi->parse_comments);
1502
1503   ResetFontStatus();
1504 }
1505
1506 static void DrawTitleScreen(void)
1507 {
1508   KeyboardAutoRepeatOff();
1509
1510   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1511 }
1512
1513 static boolean CheckTitleScreen(boolean levelset_has_changed)
1514 {
1515   static boolean show_title_initial = TRUE;
1516   boolean show_titlescreen = FALSE;
1517
1518   /* needed to be able to skip title screen, if no image or message defined */
1519   InitializeTitleControls(show_title_initial);
1520
1521   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1522     show_titlescreen = TRUE;
1523
1524   /* show initial title images and messages only once at program start */
1525   show_title_initial = FALSE;
1526
1527   return (show_titlescreen && num_title_screens > 0);
1528 }
1529
1530 void DrawMainMenu(void)
1531 {
1532   static LevelDirTree *leveldir_last_valid = NULL;
1533   boolean levelset_has_changed = FALSE;
1534   int fade_mask = REDRAW_FIELD;
1535
1536   LimitScreenUpdates(FALSE);
1537
1538   FadeSetLeaveScreen();
1539
1540   /* do not fade out here -- function may continue and fade on editor screen */
1541
1542   UnmapAllGadgets();
1543   FadeMenuSoundsAndMusic();
1544
1545   ExpireSoundLoops(FALSE);
1546
1547   KeyboardAutoRepeatOn();
1548
1549   audio.sound_deactivated = FALSE;
1550
1551   GetPlayerConfig();
1552
1553   /* needed if last screen was the playing screen, invoked from level editor */
1554   if (level_editor_test_game)
1555   {
1556     CloseDoor(DOOR_CLOSE_ALL);
1557
1558     SetGameStatus(GAME_MODE_EDITOR);
1559
1560     DrawLevelEd();
1561
1562     return;
1563   }
1564
1565   /* needed if last screen was the setup screen and fullscreen state changed */
1566   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1567   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1568
1569   /* leveldir_current may be invalid (level group, parent link) */
1570   if (!validLevelSeries(leveldir_current))
1571     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1572
1573   if (leveldir_current != leveldir_last_valid)
1574     levelset_has_changed = TRUE;
1575
1576   /* store valid level series information */
1577   leveldir_last_valid = leveldir_current;
1578
1579   init_last = init;                     /* switch to new busy animation */
1580
1581   /* needed if last screen (level choice) changed graphics, sounds or music */
1582   ReloadCustomArtwork(0);
1583
1584   if (CheckTitleScreen(levelset_has_changed))
1585   {
1586     SetGameStatus(GAME_MODE_TITLE);
1587
1588     DrawTitleScreen();
1589
1590     return;
1591   }
1592
1593   if (redraw_mask & REDRAW_ALL)
1594     fade_mask = REDRAW_ALL;
1595
1596   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
1597     fade_mask = REDRAW_ALL;
1598
1599   FadeOut(fade_mask);
1600
1601   /* needed if different viewport properties defined for menues */
1602   ChangeViewportPropertiesIfNeeded();
1603
1604   SetDrawtoField(DRAW_TO_BACKBUFFER);
1605
1606   /* level_nr may have been set to value over handicap with level editor */
1607   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1608     level_nr = leveldir_current->handicap_level;
1609
1610   LoadLevel(level_nr);
1611   LoadScore(level_nr);
1612
1613   SaveLevelSetup_SeriesInfo();
1614
1615   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1616   SetDrawDeactivationMask(REDRAW_NONE);
1617   SetDrawBackgroundMask(REDRAW_FIELD);
1618
1619   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1620
1621 #if 0
1622   if (fade_mask == REDRAW_ALL)
1623     RedrawGlobalBorder();
1624 #endif
1625
1626   ClearField();
1627
1628   InitializeMainControls();
1629
1630   DrawCursorAndText_Main(-1, FALSE, FALSE);
1631   DrawPreviewLevelInitial();
1632   DrawNetworkPlayers();
1633
1634   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1635
1636   TapeStop();
1637   if (TAPE_IS_EMPTY(tape))
1638     LoadTape(level_nr);
1639   DrawCompleteVideoDisplay();
1640
1641   PlayMenuSoundsAndMusic();
1642
1643   /* create gadgets for main menu screen */
1644   FreeScreenGadgets();
1645   CreateScreenGadgets();
1646
1647   /* may be required if audio buttons shown on tape and changed in setup menu */
1648   FreeGameButtons();
1649   CreateGameButtons();
1650
1651   /* map gadgets for main menu screen */
1652   MapTapeButtons();
1653   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1654   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1655
1656   /* copy actual game door content to door double buffer for OpenDoor() */
1657   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1658   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1659
1660   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1661
1662   DrawMaskedBorder(fade_mask);
1663
1664   FadeIn(fade_mask);
1665   FadeSetEnterMenu();
1666
1667   /* update screen area with special editor door */
1668   redraw_mask |= REDRAW_ALL;
1669   BackToFront();
1670
1671   SetMouseCursor(CURSOR_DEFAULT);
1672
1673   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1674 }
1675
1676 static void gotoTopLevelDir(void)
1677 {
1678   /* move upwards until inside (but not above) top level directory */
1679   while (leveldir_current->node_parent &&
1680          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1681   {
1682     /* write a "path" into level tree for easy navigation to last level */
1683     if (leveldir_current->node_parent->node_group->cl_first == -1)
1684     {
1685       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1686       int leveldir_pos = posTreeInfo(leveldir_current);
1687       int num_page_entries;
1688       int cl_first, cl_cursor;
1689
1690       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1691         num_page_entries = num_leveldirs;
1692       else
1693         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1694
1695       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1696       cl_cursor = leveldir_pos - cl_first;
1697
1698       leveldir_current->node_parent->node_group->cl_first = cl_first;
1699       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1700     }
1701
1702     leveldir_current = leveldir_current->node_parent;
1703   }
1704 }
1705
1706 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1707 {
1708   static unsigned int title_delay = 0;
1709   static int title_screen_nr = 0;
1710   static int last_sound = -1, last_music = -1;
1711   boolean return_to_main_menu = FALSE;
1712   struct TitleControlInfo *tci;
1713   int sound, music;
1714
1715   if (button == MB_MENU_INITIALIZE)
1716   {
1717     title_delay = 0;
1718     title_screen_nr = 0;
1719     tci = &title_controls[title_screen_nr];
1720
1721     SetAnimStatus(getTitleAnimMode(tci));
1722
1723     last_sound = SND_UNDEFINED;
1724     last_music = MUS_UNDEFINED;
1725
1726     if (num_title_screens != 0)
1727     {
1728       FadeSetEnterScreen();
1729
1730       /* use individual title fading instead of global "enter screen" fading */
1731       fading = getTitleFading(tci);
1732     }
1733
1734     if (game_status_last_screen == GAME_MODE_INFO)
1735     {
1736       if (num_title_screens == 0)
1737       {
1738         /* switch game mode from title screen mode back to info screen mode */
1739         SetGameStatus(GAME_MODE_INFO);
1740
1741         /* store that last screen was info screen, not main menu screen */
1742         game_status_last_screen = GAME_MODE_INFO;
1743
1744         DrawInfoScreen_NotAvailable("Title screen information:",
1745                                     "No title screen for this level set.");
1746         return;
1747       }
1748
1749       FadeMenuSoundsAndMusic();
1750     }
1751
1752     FadeOut(REDRAW_ALL);
1753
1754     /* title screens may have different window size */
1755     ChangeViewportPropertiesIfNeeded();
1756
1757     /* only required to update logic for redrawing global border */
1758     ClearField();
1759
1760     if (tci->is_image)
1761       DrawTitleScreenImage(tci->local_nr, tci->initial);
1762     else
1763       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1764
1765     sound = getTitleSound(tci);
1766     music = getTitleMusic(tci);
1767
1768     if (sound != last_sound)
1769       PlayMenuSoundExt(sound);
1770     if (music != last_music)
1771       PlayMenuMusicExt(music);
1772
1773     last_sound = sound;
1774     last_music = music;
1775
1776     SetMouseCursor(CURSOR_NONE);
1777
1778     FadeIn(REDRAW_ALL);
1779
1780     DelayReached(&title_delay, 0);      /* reset delay counter */
1781
1782     return;
1783   }
1784
1785   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1786     button = MB_MENU_CHOICE;
1787
1788   if (button == MB_MENU_LEAVE)
1789   {
1790     return_to_main_menu = TRUE;
1791   }
1792   else if (button == MB_MENU_CHOICE)
1793   {
1794     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1795     {
1796       SetGameStatus(GAME_MODE_INFO);
1797
1798       info_mode = INFO_MODE_MAIN;
1799
1800       DrawInfoScreen();
1801
1802       return;
1803     }
1804
1805     title_screen_nr++;
1806
1807     if (title_screen_nr < num_title_screens)
1808     {
1809       tci = &title_controls[title_screen_nr];
1810
1811       SetAnimStatus(getTitleAnimMode(tci));
1812
1813       sound = getTitleSound(tci);
1814       music = getTitleMusic(tci);
1815
1816       if (last_sound != SND_UNDEFINED && sound != last_sound)
1817         FadeSound(last_sound);
1818       if (last_music != MUS_UNDEFINED && music != last_music)
1819         FadeMusic();
1820
1821       fading = getTitleFading(tci);
1822
1823       FadeOut(REDRAW_ALL);
1824
1825       if (tci->is_image)
1826         DrawTitleScreenImage(tci->local_nr, tci->initial);
1827       else
1828         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1829
1830       sound = getTitleSound(tci);
1831       music = getTitleMusic(tci);
1832
1833       if (sound != last_sound)
1834         PlayMenuSoundExt(sound);
1835       if (music != last_music)
1836         PlayMenuMusicExt(music);
1837
1838       last_sound = sound;
1839       last_music = music;
1840
1841       FadeIn(REDRAW_ALL);
1842
1843       DelayReached(&title_delay, 0);    /* reset delay counter */
1844     }
1845     else
1846     {
1847       FadeMenuSoundsAndMusic();
1848
1849       return_to_main_menu = TRUE;
1850     }
1851   }
1852
1853   if (return_to_main_menu)
1854   {
1855     SetMouseCursor(CURSOR_DEFAULT);
1856
1857     /* force full menu screen redraw after displaying title screens */
1858     redraw_mask = REDRAW_ALL;
1859
1860     if (game_status_last_screen == GAME_MODE_INFO)
1861     {
1862       SetGameStatus(GAME_MODE_INFO);
1863
1864       info_mode = INFO_MODE_MAIN;
1865
1866       DrawInfoScreen();
1867     }
1868     else        /* default: return to main menu */
1869     {
1870       SetGameStatus(GAME_MODE_MAIN);
1871
1872       DrawMainMenu();
1873     }
1874   }
1875 }
1876
1877 static void HandleMainMenu_SelectLevel(int step, int direction,
1878                                        int selected_level_nr)
1879 {
1880   int old_level_nr = level_nr;
1881   int new_level_nr;
1882
1883   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1884     new_level_nr = selected_level_nr;
1885   else
1886     new_level_nr = old_level_nr + step * direction;
1887
1888   if (new_level_nr < leveldir_current->first_level)
1889     new_level_nr = leveldir_current->first_level;
1890   if (new_level_nr > leveldir_current->last_level)
1891     new_level_nr = leveldir_current->last_level;
1892
1893   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1894   {
1895     /* skipping levels is only allowed when trying to skip single level */
1896     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1897         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1898     {
1899       leveldir_current->handicap_level++;
1900       SaveLevelSetup_SeriesInfo();
1901     }
1902
1903     new_level_nr = leveldir_current->handicap_level;
1904   }
1905
1906   if (new_level_nr != old_level_nr)
1907   {
1908     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1909
1910     PlaySound(SND_MENU_ITEM_SELECTING);
1911
1912     level_nr = new_level_nr;
1913
1914     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1915              int2str(level_nr, menu.main.text.level_number.size),
1916              mci->pos_text->font);
1917
1918     LoadLevel(level_nr);
1919     DrawPreviewLevelInitial();
1920
1921     TapeErase();
1922     LoadTape(level_nr);
1923     DrawCompleteVideoDisplay();
1924
1925     SaveLevelSetup_SeriesInfo();
1926
1927     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1928
1929     /* needed because DrawPreviewLevelInitial() takes some time */
1930     BackToFront();
1931     /* SyncDisplay(); */
1932   }
1933 }
1934
1935 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1936 {
1937   static int choice = MAIN_CONTROL_GAME;
1938   static boolean button_pressed_last = FALSE;
1939   boolean button_pressed = FALSE;
1940   int pos = choice;
1941   int i;
1942
1943   if (button == MB_MENU_INITIALIZE)
1944   {
1945     DrawCursorAndText_Main(choice, TRUE, FALSE);
1946
1947     return;
1948   }
1949
1950   if (mx || my)         /* mouse input */
1951   {
1952     pos = -1;
1953
1954     for (i = 0; main_controls[i].nr != -1; i++)
1955     {
1956       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1957           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1958           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1959       {
1960         pos = main_controls[i].nr;
1961
1962         break;
1963       }
1964     }
1965
1966     /* check if level preview was clicked */
1967     if (insidePreviewRect(&preview, mx - SX, my - SY))
1968       pos = MAIN_CONTROL_GAME;
1969
1970     // handle pressed/unpressed state for active/inactive menu buttons
1971     // (if pos != -1, "i" contains index position corresponding to "pos")
1972     if (button &&
1973         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1974         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1975       button_pressed = TRUE;
1976
1977     if (button_pressed != button_pressed_last)
1978     {
1979       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1980
1981       if (button_pressed)
1982         PlaySound(SND_MENU_BUTTON_PRESSING);
1983       else
1984         PlaySound(SND_MENU_BUTTON_RELEASING);
1985     }
1986   }
1987   else if (dx || dy)    /* keyboard input */
1988   {
1989     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1990                    choice == MAIN_CONTROL_SETUP))
1991       button = MB_MENU_CHOICE;
1992     else if (dy)
1993       pos = choice + dy;
1994   }
1995
1996   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1997   {
1998     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1999   }
2000   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2001   {
2002     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2003   }
2004   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2005   {
2006     CloseDoor(DOOR_CLOSE_2);
2007
2008     SetGameStatus(GAME_MODE_LEVELNR);
2009
2010     DrawChooseLevelNr();
2011   }
2012   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2013   {
2014     if (button)
2015     {
2016       if (pos != choice)
2017       {
2018         PlaySound(SND_MENU_ITEM_ACTIVATING);
2019
2020         DrawCursorAndText_Main(choice, FALSE, FALSE);
2021         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2022
2023         choice = pos;
2024       }
2025       else if (dx != 0)
2026       {
2027         if (choice != MAIN_CONTROL_INFO &&
2028             choice != MAIN_CONTROL_SETUP)
2029           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2030       }
2031     }
2032     else
2033     {
2034       PlaySound(SND_MENU_ITEM_SELECTING);
2035
2036       if (pos == MAIN_CONTROL_NAME)
2037       {
2038         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2039
2040         HandleTypeName(strlen(setup.player_name), 0);
2041       }
2042       else if (pos == MAIN_CONTROL_LEVELS)
2043       {
2044         if (leveldir_first)
2045         {
2046           CloseDoor(DOOR_CLOSE_2);
2047
2048           SetGameStatus(GAME_MODE_LEVELS);
2049
2050           SaveLevelSetup_LastSeries();
2051           SaveLevelSetup_SeriesInfo();
2052
2053           if (setup.internal.choose_from_top_leveldir)
2054             gotoTopLevelDir();
2055
2056           DrawChooseLevelSet();
2057         }
2058       }
2059       else if (pos == MAIN_CONTROL_SCORES)
2060       {
2061         CloseDoor(DOOR_CLOSE_2);
2062
2063         SetGameStatus(GAME_MODE_SCORES);
2064
2065         DrawHallOfFame(level_nr, -1);
2066       }
2067       else if (pos == MAIN_CONTROL_EDITOR)
2068       {
2069         if (leveldir_current->readonly &&
2070             !strEqual(setup.player_name, "Artsoft"))
2071           Request("This level is read only!", REQ_CONFIRM);
2072
2073         CloseDoor(DOOR_CLOSE_2);
2074
2075         SetGameStatus(GAME_MODE_EDITOR);
2076
2077         FadeSetEnterScreen();
2078
2079         DrawLevelEd();
2080       }
2081       else if (pos == MAIN_CONTROL_INFO)
2082       {
2083         CloseDoor(DOOR_CLOSE_2);
2084
2085         SetGameStatus(GAME_MODE_INFO);
2086
2087         info_mode = INFO_MODE_MAIN;
2088
2089         DrawInfoScreen();
2090       }
2091       else if (pos == MAIN_CONTROL_GAME)
2092       {
2093         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2094       }
2095       else if (pos == MAIN_CONTROL_SETUP)
2096       {
2097         CloseDoor(DOOR_CLOSE_2);
2098
2099         SetGameStatus(GAME_MODE_SETUP);
2100
2101         setup_mode = SETUP_MODE_MAIN;
2102
2103         DrawSetupScreen();
2104       }
2105       else if (pos == MAIN_CONTROL_QUIT)
2106       {
2107         SaveLevelSetup_LastSeries();
2108         SaveLevelSetup_SeriesInfo();
2109
2110         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2111           SetGameStatus(GAME_MODE_QUIT);
2112       }
2113     }
2114   }
2115
2116   button_pressed_last = button_pressed;
2117 }
2118
2119
2120 /* ========================================================================= */
2121 /* info screen functions                                                     */
2122 /* ========================================================================= */
2123
2124 static struct TokenInfo *info_info;
2125 static int num_info_info;       /* number of info entries shown on screen */
2126 static int max_info_info;       /* total number of info entries in list */
2127
2128 static void execInfoTitleScreen(void)
2129 {
2130   info_mode = INFO_MODE_TITLE;
2131
2132   DrawInfoScreen();
2133 }
2134
2135 static void execInfoElements(void)
2136 {
2137   info_mode = INFO_MODE_ELEMENTS;
2138
2139   DrawInfoScreen();
2140 }
2141
2142 static void execInfoMusic(void)
2143 {
2144   info_mode = INFO_MODE_MUSIC;
2145
2146   DrawInfoScreen();
2147 }
2148
2149 static void execInfoCredits(void)
2150 {
2151   info_mode = INFO_MODE_CREDITS;
2152
2153   DrawInfoScreen();
2154 }
2155
2156 static void execInfoProgram(void)
2157 {
2158   info_mode = INFO_MODE_PROGRAM;
2159
2160   DrawInfoScreen();
2161 }
2162
2163 static void execInfoVersion(void)
2164 {
2165   info_mode = INFO_MODE_VERSION;
2166
2167   DrawInfoScreen();
2168 }
2169
2170 static void execInfoLevelSet(void)
2171 {
2172   info_mode = INFO_MODE_LEVELSET;
2173
2174   DrawInfoScreen();
2175 }
2176
2177 static void execExitInfo(void)
2178 {
2179   SetGameStatus(GAME_MODE_MAIN);
2180
2181   DrawMainMenu();
2182 }
2183
2184 static struct TokenInfo info_info_main[] =
2185 {
2186   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2187   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2188   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2189   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2190   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2191   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2192   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2193   { TYPE_EMPTY,         NULL,                   ""                      },
2194   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2195
2196   { 0,                  NULL,                   NULL                    }
2197 };
2198
2199 static int getMenuTextFont(int type)
2200 {
2201   if (type & (TYPE_SWITCH       |
2202               TYPE_YES_NO       |
2203               TYPE_YES_NO_AUTO  |
2204               TYPE_STRING       |
2205               TYPE_PLAYER       |
2206               TYPE_ECS_AGA      |
2207               TYPE_KEYTEXT      |
2208               TYPE_ENTER_LIST   |
2209               TYPE_TEXT_INPUT))
2210     return FONT_MENU_2;
2211   else
2212     return FONT_MENU_1;
2213 }
2214
2215 static struct TokenInfo *setup_info;
2216 static struct TokenInfo setup_info_input[];
2217
2218 static struct TokenInfo *menu_info;
2219
2220 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2221                                        int screen_pos, int menu_info_pos_raw,
2222                                        boolean active)
2223 {
2224   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2225   struct TokenInfo *ti = &token_info[pos];
2226   int xpos = MENU_SCREEN_START_XPOS;
2227   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2228   int font_nr = getMenuTextFont(ti->type);
2229
2230   if (setup_mode == SETUP_MODE_INPUT)
2231     font_nr = FONT_MENU_1;
2232
2233   if (active)
2234     font_nr = FONT_ACTIVE(font_nr);
2235
2236   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2237
2238   if (ti->type & ~TYPE_SKIP_ENTRY)
2239     drawCursor(screen_pos, active);
2240 }
2241
2242 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2243                                    boolean active)
2244 {
2245   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2246 }
2247
2248 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2249                                     boolean active)
2250 {
2251   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2252 }
2253
2254 static char *window_size_text;
2255 static char *scaling_type_text;
2256 static char *network_server_text;
2257
2258 static void drawSetupValue(int, int);
2259
2260 static void drawMenuInfoList(int first_entry, int num_page_entries,
2261                              int max_page_entries)
2262 {
2263   int i;
2264
2265   if (first_entry + num_page_entries > max_page_entries)
2266     first_entry = 0;
2267
2268   clearMenuListArea();
2269
2270   for (i = 0; i < num_page_entries; i++)
2271   {
2272     int menu_info_pos = first_entry + i;
2273     struct TokenInfo *si = &menu_info[menu_info_pos];
2274     void *value_ptr = si->value;
2275
2276     /* set some entries to "unchangeable" according to other variables */
2277     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2278         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2279         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2280         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2281         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2282         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2283       si->type |= TYPE_GHOSTED;
2284
2285     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2286       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2287     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2288       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2289     else if (si->type & ~TYPE_SKIP_ENTRY)
2290       initCursor(i, IMG_MENU_BUTTON);
2291
2292     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2293
2294     if (si->type & TYPE_STRING)
2295     {
2296       int gadget_id = -1;
2297
2298       if (value_ptr == &network_server_text)
2299         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2300
2301       if (gadget_id != -1)
2302       {
2303         struct GadgetInfo *gi = screen_gadget[gadget_id];
2304         int xpos = MENU_SCREEN_START_XPOS;
2305         int ypos = MENU_SCREEN_START_YPOS + i;
2306         int x = mSX + xpos * 32;
2307         int y = mSY + ypos * 32;
2308
2309         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2310       }
2311     }
2312
2313     if (si->type & TYPE_VALUE &&
2314         menu_info == setup_info)
2315       drawSetupValue(i, menu_info_pos);
2316   }
2317 }
2318
2319 static void DrawInfoScreen_Main(void)
2320 {
2321   int fade_mask = REDRAW_FIELD;
2322   int i;
2323
2324   if (redraw_mask & REDRAW_ALL)
2325     fade_mask = REDRAW_ALL;
2326
2327   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
2328     fade_mask = REDRAW_ALL;
2329
2330   UnmapAllGadgets();
2331   FadeMenuSoundsAndMusic();
2332
2333   FreeScreenGadgets();
2334   CreateScreenGadgets();
2335
2336   /* (needed after displaying title screens which disable auto repeat) */
2337   KeyboardAutoRepeatOn();
2338
2339   FadeSetLeaveScreen();
2340
2341   FadeOut(fade_mask);
2342
2343   /* needed if different viewport properties defined for info screen */
2344   ChangeViewportPropertiesIfNeeded();
2345
2346   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2347
2348   ClearField();
2349
2350   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2351
2352   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2353
2354   info_info = info_info_main;
2355
2356   // determine maximal number of info entries that can be displayed on screen
2357   num_info_info = 0;
2358   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2359     num_info_info++;
2360
2361   // determine maximal number of info entries available for menu of info screen
2362   max_info_info = 0;
2363   for (i = 0; info_info[i].type != 0; i++)
2364     max_info_info++;
2365
2366   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2367
2368   MapScreenGadgets(max_info_info);
2369
2370   PlayMenuSoundsAndMusic();
2371
2372   DrawMaskedBorder(fade_mask);
2373
2374   FadeIn(fade_mask);
2375 }
2376
2377 static void changeSetupValue(int, int, int);
2378
2379 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2380                              int mode, int num_page_entries,
2381                              int max_page_entries)
2382 {
2383   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2384   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2385   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2386   int *num_page_entries_last = num_page_entries_all_last[game_status];
2387   int *choice_store = choice_stores[game_status];
2388   int *first_entry_store = first_entry_stores[game_status];
2389   int choice = choice_store[mode];              /* starts with 0 */
2390   int first_entry = first_entry_store[mode];    /* starts with 0 */
2391   int x = 0;
2392   int y = choice - first_entry;
2393   int y_old = y;
2394   boolean position_set_by_scrollbar = (dx == 999);
2395   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2396   int i;
2397
2398   if (button == MB_MENU_INITIALIZE)
2399   {
2400     // check if number of menu page entries has changed (may happen by change
2401     // of custom artwork definition value for 'list_size' for this menu screen)
2402     // (in this case, the last menu position most probably has to be corrected)
2403     if (num_page_entries != num_page_entries_last[mode])
2404     {
2405       choice_store[mode] = first_entry_store[mode] = 0;
2406
2407       choice = first_entry = 0;
2408       y = y_old = 0;
2409
2410       num_page_entries_last[mode] = num_page_entries;
2411     }
2412
2413     /* advance to first valid menu entry */
2414     while (choice < num_page_entries &&
2415            menu_info[choice].type & TYPE_SKIP_ENTRY)
2416       choice++;
2417
2418     if (position_set_by_scrollbar)
2419       first_entry = first_entry_store[mode] = dy;
2420     else
2421       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2422                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2423
2424     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2425
2426     if (choice < first_entry)
2427     {
2428       choice = first_entry;
2429
2430       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2431         choice++;
2432     }
2433     else if (choice > first_entry + num_page_entries - 1)
2434     {
2435       choice = first_entry + num_page_entries - 1;
2436
2437       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2438         choice--;
2439     }
2440
2441     choice_store[mode] = choice;
2442
2443     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2444
2445     return;
2446   }
2447   else if (button == MB_MENU_LEAVE)
2448   {
2449     PlaySound(SND_MENU_ITEM_SELECTING);
2450
2451     for (i = 0; i < max_page_entries; i++)
2452     {
2453       if (menu_info[i].type & TYPE_LEAVE_MENU)
2454       {
2455         void (*menu_callback_function)(void) = menu_info[i].value;
2456
2457         FadeSetLeaveMenu();
2458
2459         menu_callback_function();
2460
2461         break;  /* absolutely needed because function changes 'menu_info'! */
2462       }
2463     }
2464
2465     return;
2466   }
2467
2468   if (mx || my)         /* mouse input */
2469   {
2470     x = (mx - mSX) / 32;
2471     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2472   }
2473   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2474   {
2475     /* move cursor instead of scrolling when already at start/end of list */
2476     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2477       dy = -1;
2478     else if (dy == +1 * SCROLL_LINE &&
2479              first_entry + num_page_entries == max_page_entries)
2480       dy = 1;
2481
2482     /* handle scrolling screen one line or page */
2483     if (y + dy < 0 ||
2484         y + dy > num_page_entries - 1)
2485     {
2486       boolean redraw = FALSE;
2487
2488       if (ABS(dy) == SCROLL_PAGE)
2489         step = num_page_entries - 1;
2490
2491       if (dy < 0 && first_entry > 0)
2492       {
2493         /* scroll page/line up */
2494
2495         first_entry -= step;
2496         if (first_entry < 0)
2497           first_entry = 0;
2498
2499         redraw = TRUE;
2500       }
2501       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2502       {
2503         /* scroll page/line down */
2504
2505         first_entry += step;
2506         if (first_entry + num_page_entries > max_page_entries)
2507           first_entry = MAX(0, max_page_entries - num_page_entries);
2508
2509         redraw = TRUE;
2510       }
2511
2512       if (redraw)
2513       {
2514         choice += first_entry - first_entry_store[mode];
2515
2516         if (choice < first_entry)
2517         {
2518           choice = first_entry;
2519
2520           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2521             choice++;
2522         }
2523         else if (choice > first_entry + num_page_entries - 1)
2524         {
2525           choice = first_entry + num_page_entries - 1;
2526
2527           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2528             choice--;
2529         }
2530         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2531         {
2532           choice += SIGN(dy);
2533
2534           if (choice < first_entry ||
2535               choice > first_entry + num_page_entries - 1)
2536           first_entry += SIGN(dy);
2537         }
2538
2539         first_entry_store[mode] = first_entry;
2540         choice_store[mode] = choice;
2541
2542         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2543
2544         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2545
2546         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2547                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2548       }
2549
2550       return;
2551     }
2552
2553     if (dx)
2554     {
2555       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2556
2557       if (menu_info[choice].type & menu_navigation_type ||
2558           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2559           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2560           menu_info[choice].type & TYPE_PLAYER)
2561         button = MB_MENU_CHOICE;
2562     }
2563     else if (dy)
2564       y += dy;
2565
2566     /* jump to next non-empty menu entry (up or down) */
2567     while (first_entry + y > 0 &&
2568            first_entry + y < max_page_entries - 1 &&
2569            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2570       y += dy;
2571
2572     if (!IN_VIS_MENU(x, y))
2573     {
2574       choice += y - y_old;
2575
2576       if (choice < first_entry)
2577         first_entry = choice;
2578       else if (choice > first_entry + num_page_entries - 1)
2579         first_entry = choice - num_page_entries + 1;
2580
2581       if (first_entry >= 0 &&
2582           first_entry + num_page_entries <= max_page_entries)
2583       {
2584         first_entry_store[mode] = first_entry;
2585
2586         if (choice < first_entry)
2587           choice = first_entry;
2588         else if (choice > first_entry + num_page_entries - 1)
2589           choice = first_entry + num_page_entries - 1;
2590
2591         choice_store[mode] = choice;
2592
2593         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2594
2595         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2596
2597         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2598                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2599       }
2600
2601       return;
2602     }
2603   }
2604
2605   if (!anyScrollbarGadgetActive() &&
2606       IN_VIS_MENU(x, y) &&
2607       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2608       y >= 0 && y < num_page_entries)
2609   {
2610     if (button)
2611     {
2612       if (first_entry + y != choice &&
2613           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2614       {
2615         PlaySound(SND_MENU_ITEM_ACTIVATING);
2616
2617         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2618         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2619
2620         choice = choice_store[mode] = first_entry + y;
2621       }
2622       else if (dx < 0)
2623       {
2624         PlaySound(SND_MENU_ITEM_SELECTING);
2625
2626         for (i = 0; menu_info[i].type != 0; i++)
2627         {
2628           if (menu_info[i].type & TYPE_LEAVE_MENU)
2629           {
2630             void (*menu_callback_function)(void) = menu_info[i].value;
2631
2632             FadeSetLeaveMenu();
2633
2634             menu_callback_function();
2635
2636             /* absolutely needed because function changes 'menu_info'! */
2637             break;
2638           }
2639         }
2640
2641         return;
2642       }
2643     }
2644     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2645     {
2646       PlaySound(SND_MENU_ITEM_SELECTING);
2647
2648       /* when selecting key headline, execute function for key value change */
2649       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2650           menu_info[first_entry + y + 1].type & TYPE_KEY)
2651         y++;
2652
2653       /* when selecting string value, execute function for list selection */
2654       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2655           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2656         y--;
2657
2658       /* when selecting string value, execute function for text input gadget */
2659       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2660           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2661         y--;
2662
2663       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2664       {
2665         void (*menu_callback_function)(void) =
2666           menu_info[first_entry + y].value;
2667
2668         FadeSetFromType(menu_info[first_entry + y].type);
2669
2670         menu_callback_function();
2671       }
2672       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2673       {
2674         void (*gadget_callback_function)(void) =
2675           menu_info[first_entry + y].value;
2676
2677         gadget_callback_function();
2678       }
2679       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2680                menu_info == setup_info)
2681       {
2682         changeSetupValue(y, first_entry + y, dx);
2683       }
2684     }
2685   }
2686 }
2687
2688 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2689 {
2690   menu_info = info_info;
2691
2692   HandleMenuScreen(mx, my, dx, dy, button,
2693                    info_mode, num_info_info, max_info_info);
2694 }
2695
2696 static int getMenuFontSpacing(int spacing_height, int font_nr)
2697 {
2698   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2699
2700   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2701           spacing_height);
2702 }
2703
2704 static int getMenuTextSpacing(int spacing_height, int font_nr)
2705 {
2706   return (getMenuFontSpacing(spacing_height, font_nr) +
2707           EXTRA_SPACING(game_status));
2708 }
2709
2710 static int getMenuTextStep(int spacing_height, int font_nr)
2711 {
2712   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2713 }
2714
2715 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2716 {
2717   int font_title = MENU_INFO_FONT_TITLE;
2718   int font_error = FONT_TEXT_2;
2719   int font_foot  = MENU_INFO_FONT_FOOT;
2720   int spacing_title = menu.headline1_spacing_info[info_mode];
2721   int ystep_title = getMenuTextStep(spacing_title, font_title);
2722   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2723   int ystart2 = ystart1 + ystep_title;
2724   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2725
2726   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2727
2728   FadeOut(REDRAW_FIELD);
2729
2730   ClearField();
2731   DrawHeadline();
2732
2733   DrawTextSCentered(ystart1, font_title, text_title);
2734   DrawTextSCentered(ystart2, font_error, text_error);
2735
2736   DrawTextSCentered(ybottom, font_foot,
2737                     "Press any key or button for info menu");
2738
2739   FadeIn(REDRAW_FIELD);
2740 }
2741
2742 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2743 {
2744   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2745   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2746   int font_title = MENU_INFO_FONT_TITLE;
2747   int font_foot  = MENU_INFO_FONT_FOOT;
2748   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2749   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2750   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2751   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2752   int ystep = MENU_SCREEN_INFO_YSTEP;
2753   int element, action, direction;
2754   int graphic;
2755   int delay;
2756   int sync_frame;
2757   int i, j;
2758
2759   if (init)
2760   {
2761     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2762       infoscreen_step[i] = infoscreen_frame[i] = 0;
2763
2764     ClearField();
2765     DrawHeadline();
2766
2767     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2768
2769     DrawTextSCentered(ybottom, font_foot,
2770                       "Press any key or button for next page");
2771
2772     FrameCounter = 0;
2773   }
2774
2775   i = j = 0;
2776   while (helpanim_info[j].element != HELPANIM_LIST_END)
2777   {
2778     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2779         i >= max_anims)
2780       break;
2781     else if (i < start)
2782     {
2783       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2784         j++;
2785
2786       j++;
2787       i++;
2788
2789       continue;
2790     }
2791
2792     j += infoscreen_step[i - start];
2793
2794     element = helpanim_info[j].element;
2795     action = helpanim_info[j].action;
2796     direction = helpanim_info[j].direction;
2797
2798     if (element < 0)
2799       element = EL_UNKNOWN;
2800
2801     if (action != -1 && direction != -1)
2802       graphic = el_act_dir2img(element, action, direction);
2803     else if (action != -1)
2804       graphic = el_act2img(element, action);
2805     else if (direction != -1)
2806       graphic = el_dir2img(element, direction);
2807     else
2808       graphic = el2img(element);
2809
2810     delay = helpanim_info[j++].delay;
2811
2812     if (delay == -1)
2813       delay = 1000000;
2814
2815     if (infoscreen_frame[i - start] == 0)
2816     {
2817       sync_frame = 0;
2818       infoscreen_frame[i - start] = delay - 1;
2819     }
2820     else
2821     {
2822       sync_frame = delay - infoscreen_frame[i - start];
2823       infoscreen_frame[i - start]--;
2824     }
2825
2826     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2827     {
2828       if (!infoscreen_frame[i - start])
2829         infoscreen_step[i - start] = 0;
2830     }
2831     else
2832     {
2833       if (!infoscreen_frame[i - start])
2834         infoscreen_step[i - start]++;
2835       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2836         j++;
2837     }
2838
2839     j++;
2840
2841     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2842                                TILEX, TILEY);
2843     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2844                                  graphic, sync_frame, USE_MASKING);
2845
2846     if (init)
2847       DrawInfoScreen_HelpText(element, action, direction, i - start);
2848
2849     i++;
2850   }
2851
2852   redraw_mask |= REDRAW_FIELD;
2853
2854   FrameCounter++;
2855 }
2856
2857 static char *getHelpText(int element, int action, int direction)
2858 {
2859   char token[MAX_LINE_LEN];
2860
2861   strcpy(token, element_info[element].token_name);
2862
2863   if (action != -1)
2864     strcat(token, element_action_info[action].suffix);
2865
2866   if (direction != -1)
2867     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2868
2869   return getHashEntry(helptext_info, token);
2870 }
2871
2872 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2873 {
2874   int font_nr = FONT_INFO_ELEMENTS;
2875   int font_width = getFontWidth(font_nr);
2876   int font_height = getFontHeight(font_nr);
2877   int yoffset = (TILEX - 2 * font_height) / 2;
2878   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2879   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2880   int ystep = TILEY + 4;
2881   int pad_left = xstart - SX;
2882   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2883   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2884   int max_lines_per_text = 2;    
2885   char *text = NULL;
2886
2887   if (action != -1 && direction != -1)          /* element.action.direction */
2888     text = getHelpText(element, action, direction);
2889
2890   if (text == NULL && action != -1)             /* element.action */
2891     text = getHelpText(element, action, -1);
2892
2893   if (text == NULL && direction != -1)          /* element.direction */
2894     text = getHelpText(element, -1, direction);
2895
2896   if (text == NULL)                             /* base element */
2897     text = getHelpText(element, -1, -1);
2898
2899   if (text == NULL)                             /* not found */
2900     text = "No description available";
2901
2902   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2903     ystart += getFontHeight(font_nr) / 2;
2904
2905   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2906                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2907                  TRUE, FALSE, FALSE);
2908 }
2909
2910 static void DrawInfoScreen_TitleScreen(void)
2911 {
2912   SetGameStatus(GAME_MODE_TITLE);
2913
2914   DrawTitleScreen();
2915 }
2916
2917 void HandleInfoScreen_TitleScreen(int button)
2918 {
2919   HandleTitleScreen(0, 0, 0, 0, button);
2920 }
2921
2922 static void DrawInfoScreen_Elements(void)
2923 {
2924   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2925
2926   FadeOut(REDRAW_FIELD);
2927
2928   LoadHelpAnimInfo();
2929   LoadHelpTextInfo();
2930
2931   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2932
2933   FadeIn(REDRAW_FIELD);
2934 }
2935
2936 void HandleInfoScreen_Elements(int button)
2937 {
2938   static unsigned int info_delay = 0;
2939   static int num_anims;
2940   static int num_pages;
2941   static int page;
2942   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2943   int i;
2944
2945   if (button == MB_MENU_INITIALIZE)
2946   {
2947     boolean new_element = TRUE;
2948
2949     num_anims = 0;
2950
2951     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2952     {
2953       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2954         new_element = TRUE;
2955       else if (new_element)
2956       {
2957         num_anims++;
2958         new_element = FALSE;
2959       }
2960     }
2961
2962     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2963     page = 0;
2964   }
2965
2966   if (button == MB_MENU_LEAVE)
2967   {
2968     PlaySound(SND_MENU_ITEM_SELECTING);
2969
2970     info_mode = INFO_MODE_MAIN;
2971     DrawInfoScreen();
2972
2973     return;
2974   }
2975   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2976   {
2977     if (button != MB_MENU_INITIALIZE)
2978     {
2979       PlaySound(SND_MENU_ITEM_SELECTING);
2980
2981       page++;
2982     }
2983
2984     if (page >= num_pages)
2985     {
2986       FadeMenuSoundsAndMusic();
2987
2988       info_mode = INFO_MODE_MAIN;
2989       DrawInfoScreen();
2990
2991       return;
2992     }
2993
2994     if (page > 0)
2995       FadeSetNextScreen();
2996
2997     if (button != MB_MENU_INITIALIZE)
2998       FadeOut(REDRAW_FIELD);
2999
3000     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3001
3002     if (button != MB_MENU_INITIALIZE)
3003       FadeIn(REDRAW_FIELD);
3004   }
3005   else
3006   {
3007     if (DelayReached(&info_delay, GameFrameDelay))
3008       if (page < num_pages)
3009         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3010
3011     PlayMenuSoundIfLoop();
3012   }
3013 }
3014
3015 static void DrawInfoScreen_Music(void)
3016 {
3017   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3018
3019   FadeOut(REDRAW_FIELD);
3020
3021   ClearField();
3022   DrawHeadline();
3023
3024   LoadMusicInfo();
3025
3026   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3027
3028   FadeIn(REDRAW_FIELD);
3029 }
3030
3031 void HandleInfoScreen_Music(int button)
3032 {
3033   static struct MusicFileInfo *list = NULL;
3034   int font_title = MENU_INFO_FONT_TITLE;
3035   int font_head  = MENU_INFO_FONT_HEAD;
3036   int font_text  = MENU_INFO_FONT_TEXT;
3037   int font_foot  = MENU_INFO_FONT_FOOT;
3038   int spacing_title = menu.headline1_spacing_info[info_mode];
3039   int spacing_head  = menu.headline2_spacing_info[info_mode];
3040   int ystep_title = getMenuTextStep(spacing_title, font_title);
3041   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3042   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3043   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3044
3045   if (button == MB_MENU_INITIALIZE)
3046   {
3047     list = music_file_info;
3048
3049     if (list == NULL)
3050     {
3051       FadeMenuSoundsAndMusic();
3052
3053       ClearField();
3054       DrawHeadline();
3055
3056       DrawTextSCentered(ystart, font_title,
3057                         "No music info for this level set.");
3058
3059       DrawTextSCentered(ybottom, font_foot,
3060                         "Press any key or button for info menu");
3061
3062       return;
3063     }
3064   }
3065
3066   if (button == MB_MENU_LEAVE)
3067   {
3068     PlaySound(SND_MENU_ITEM_SELECTING);
3069
3070     FadeMenuSoundsAndMusic();
3071
3072     info_mode = INFO_MODE_MAIN;
3073     DrawInfoScreen();
3074
3075     return;
3076   }
3077   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3078   {
3079     if (button != MB_MENU_INITIALIZE)
3080     {
3081       PlaySound(SND_MENU_ITEM_SELECTING);
3082
3083       if (list != NULL)
3084         list = list->next;
3085     }
3086
3087     if (list == NULL)
3088     {
3089       FadeMenuSoundsAndMusic();
3090
3091       info_mode = INFO_MODE_MAIN;
3092       DrawInfoScreen();
3093
3094       return;
3095     }
3096
3097     FadeMenuSoundsAndMusic();
3098
3099     if (list != music_file_info)
3100       FadeSetNextScreen();
3101
3102     if (button != MB_MENU_INITIALIZE)
3103       FadeOut(REDRAW_FIELD);
3104
3105     ClearField();
3106     DrawHeadline();
3107
3108     if (list->is_sound)
3109     {
3110       int sound = list->music;
3111
3112       if (sound_info[sound].loop)
3113         PlaySoundLoop(sound);
3114       else
3115         PlaySound(sound);
3116
3117       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3118     }
3119     else
3120     {
3121       int music = list->music;
3122
3123       if (music_info[music].loop)
3124         PlayMusicLoop(music);
3125       else
3126         PlayMusic(music);
3127
3128       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3129     }
3130
3131     ystart += ystep_title;
3132
3133     if (!strEqual(list->title, UNKNOWN_NAME))
3134     {
3135       if (!strEqual(list->title_header, UNKNOWN_NAME))
3136       {
3137         DrawTextSCentered(ystart, font_head, list->title_header);
3138         ystart += ystep_head;
3139       }
3140
3141       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3142       ystart += ystep_head;
3143     }
3144
3145     if (!strEqual(list->artist, UNKNOWN_NAME))
3146     {
3147       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3148         DrawTextSCentered(ystart, font_head, list->artist_header);
3149       else
3150         DrawTextSCentered(ystart, font_head, "by");
3151
3152       ystart += ystep_head;
3153
3154       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3155       ystart += ystep_head;
3156     }
3157
3158     if (!strEqual(list->album, UNKNOWN_NAME))
3159     {
3160       if (!strEqual(list->album_header, UNKNOWN_NAME))
3161         DrawTextSCentered(ystart, font_head, list->album_header);
3162       else
3163         DrawTextSCentered(ystart, font_head, "from the album");
3164
3165       ystart += ystep_head;
3166
3167       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3168       ystart += ystep_head;
3169     }
3170
3171     if (!strEqual(list->year, UNKNOWN_NAME))
3172     {
3173       if (!strEqual(list->year_header, UNKNOWN_NAME))
3174         DrawTextSCentered(ystart, font_head, list->year_header);
3175       else
3176         DrawTextSCentered(ystart, font_head, "from the year");
3177
3178       ystart += ystep_head;
3179
3180       DrawTextFCentered(ystart, font_text, "%s", list->year);
3181       ystart += ystep_head;
3182     }
3183
3184     DrawTextSCentered(ybottom, FONT_TEXT_4,
3185                       "Press any key or button for next page");
3186
3187     if (button != MB_MENU_INITIALIZE)
3188       FadeIn(REDRAW_FIELD);
3189   }
3190
3191   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3192     PlaySoundLoop(list->music);
3193 }
3194
3195 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3196 {
3197   int font_title = MENU_INFO_FONT_TITLE;
3198   int font_head  = MENU_INFO_FONT_HEAD;
3199   int font_text  = MENU_INFO_FONT_TEXT;
3200   int font_foot  = MENU_INFO_FONT_FOOT;
3201   int spacing_title = menu.headline1_spacing_info[info_mode];
3202   int spacing_head  = menu.headline2_spacing_info[info_mode];
3203   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3204   int spacing_line  = menu.line_spacing_info[info_mode];
3205   int ystep_title = getMenuTextStep(spacing_title, font_title);
3206   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3207   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3208   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3209   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3210   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3211
3212   ClearField();
3213   DrawHeadline();
3214
3215   DrawTextSCentered(ystart, font_title, "Credits:");
3216   ystart += ystep_title;
3217
3218   if (screen_nr == 0)
3219   {
3220     DrawTextSCentered(ystart, font_head,
3221                       "Special thanks to");
3222     ystart += ystep_head;
3223     DrawTextSCentered(ystart, font_text,
3224                       "Peter Liepa");
3225     ystart += ystep_head;
3226     DrawTextSCentered(ystart, font_head,
3227                       "for creating");
3228     ystart += ystep_head;
3229     DrawTextSCentered(ystart, font_text,
3230                       "\"Boulder Dash\"");
3231     ystart += ystep_head;
3232     DrawTextSCentered(ystart, font_head,
3233                       "in the year");
3234     ystart += ystep_head;
3235     DrawTextSCentered(ystart, font_text,
3236                       "1984");
3237     ystart += ystep_head;
3238     DrawTextSCentered(ystart, font_head,
3239                       "published by");
3240     ystart += ystep_head;
3241     DrawTextSCentered(ystart, font_text,
3242                       "First Star Software");
3243   }
3244   else if (screen_nr == 1)
3245   {
3246     DrawTextSCentered(ystart, font_head,
3247                       "Special thanks to");
3248     ystart += ystep_head;
3249     DrawTextSCentered(ystart, font_text,
3250                       "Klaus Heinz & Volker Wertich");
3251     ystart += ystep_head;
3252     DrawTextSCentered(ystart, font_head,
3253                       "for creating");
3254     ystart += ystep_head;
3255     DrawTextSCentered(ystart, font_text,
3256                       "\"Emerald Mine\"");
3257     ystart += ystep_head;
3258     DrawTextSCentered(ystart, font_head,
3259                       "in the year");
3260     ystart += ystep_head;
3261     DrawTextSCentered(ystart, font_text,
3262                       "1987");
3263     ystart += ystep_head;
3264     DrawTextSCentered(ystart, font_head,
3265                       "published by");
3266     ystart += ystep_head;
3267     DrawTextSCentered(ystart, font_text,
3268                       "Kingsoft");
3269   }
3270   else if (screen_nr == 2)
3271   {
3272     DrawTextSCentered(ystart, font_head,
3273                       "Special thanks to");
3274     ystart += ystep_head;
3275     DrawTextSCentered(ystart, font_text,
3276                       "Michael Stopp & Philip Jespersen");
3277     ystart += ystep_head;
3278     DrawTextSCentered(ystart, font_head,
3279                       "for creating");
3280     ystart += ystep_head;
3281     DrawTextSCentered(ystart, font_text,
3282                       "\"Supaplex\"");
3283     ystart += ystep_head;
3284     DrawTextSCentered(ystart, font_head,
3285                       "in the year");
3286     ystart += ystep_head;
3287     DrawTextSCentered(ystart, font_text,
3288                       "1991");
3289     ystart += ystep_head;
3290     DrawTextSCentered(ystart, font_head,
3291                       "published by");
3292     ystart += ystep_head;
3293     DrawTextSCentered(ystart, font_text,
3294                       "Digital Integration");
3295   }
3296   else if (screen_nr == 3)
3297   {
3298     DrawTextSCentered(ystart, font_head,
3299                       "Special thanks to");
3300     ystart += ystep_head;
3301     DrawTextSCentered(ystart, font_text,
3302                       "Hiroyuki Imabayashi");
3303     ystart += ystep_head;
3304     DrawTextSCentered(ystart, font_head,
3305                       "for creating");
3306     ystart += ystep_head;
3307     DrawTextSCentered(ystart, font_text,
3308                       "\"Sokoban\"");
3309     ystart += ystep_head;
3310     DrawTextSCentered(ystart, font_head,
3311                       "in the year");
3312     ystart += ystep_head;
3313     DrawTextSCentered(ystart, font_text,
3314                       "1982");
3315     ystart += ystep_head;
3316     DrawTextSCentered(ystart, font_head,
3317                       "published by");
3318     ystart += ystep_head;
3319     DrawTextSCentered(ystart, font_text,
3320                       "Thinking Rabbit");
3321   }
3322   else if (screen_nr == 4)
3323   {
3324     DrawTextSCentered(ystart, font_head,
3325                       "Special thanks to");
3326     ystart += ystep_head;
3327     DrawTextSCentered(ystart, font_text,
3328                       "Alan Bond");
3329     ystart += ystep_head;
3330     DrawTextSCentered(ystart, font_head,
3331                       "and");
3332     ystart += ystep_head;
3333     DrawTextSCentered(ystart, font_text,
3334                       "J\xfcrgen Bonhagen");
3335     ystart += ystep_head;
3336     DrawTextSCentered(ystart, font_head,
3337                       "for the continuous creation");
3338     ystart += ystep_line;
3339     DrawTextSCentered(ystart, font_head,
3340                       "of outstanding level sets");
3341   }
3342   else if (screen_nr == 5)
3343   {
3344     DrawTextSCentered(ystart, font_head,
3345                       "Thanks to");
3346     ystart += ystep_head;
3347     DrawTextSCentered(ystart, font_text,
3348                       "Peter Elzner");
3349     ystart += ystep_head;
3350     DrawTextSCentered(ystart, font_head,
3351                       "for ideas and inspiration by");
3352     ystart += ystep_head;
3353     DrawTextSCentered(ystart, font_text,
3354                       "Diamond Caves");
3355     ystart += ystep_para;
3356
3357     DrawTextSCentered(ystart, font_head,
3358                       "Thanks to");
3359     ystart += ystep_head;
3360     DrawTextSCentered(ystart, font_text,
3361                       "Steffest");
3362     ystart += ystep_head;
3363     DrawTextSCentered(ystart, font_head,
3364                       "for ideas and inspiration by");
3365     ystart += ystep_head;
3366     DrawTextSCentered(ystart, font_text,
3367                       "DX-Boulderdash");
3368   }
3369   else if (screen_nr == 6)
3370   {
3371     DrawTextSCentered(ystart, font_head,
3372                       "Thanks to");
3373     ystart += ystep_head;
3374     DrawTextSCentered(ystart, font_text,
3375                       "David Tritscher");
3376     ystart += ystep_head;
3377     DrawTextSCentered(ystart, font_head,
3378                       "for the code base used for the");
3379     ystart += ystep_line;
3380     DrawTextSCentered(ystart, font_head,
3381                       "native Emerald Mine engine");
3382   }
3383   else if (screen_nr == 7)
3384   {
3385     DrawTextSCentered(ystart, font_head,
3386                       "Thanks to");
3387     ystart += ystep_head;
3388     DrawTextSCentered(ystart, font_text,
3389                       "Guido Schulz");
3390     ystart += ystep_head;
3391     DrawTextSCentered(ystart, font_head,
3392                       "for the initial DOS port");
3393     ystart += ystep_para;
3394
3395     DrawTextSCentered(ystart, font_head,
3396                       "Thanks to");
3397     ystart += ystep_head;
3398     DrawTextSCentered(ystart, font_text,
3399                       "Karl H\xf6rnell");
3400     ystart += ystep_head;
3401     DrawTextSCentered(ystart, font_head,
3402                       "for some additional toons");
3403   }
3404   else if (screen_nr == 8)
3405   {
3406     DrawTextSCentered(ystart, font_head,
3407                       "And not to forget:");
3408     ystart += ystep_head;
3409     DrawTextSCentered(ystart, font_head,
3410                       "Many thanks to");
3411     ystart += ystep_head;
3412     DrawTextSCentered(ystart, font_text,
3413                       "All those who contributed");
3414     ystart += ystep_line;
3415     DrawTextSCentered(ystart, font_text,
3416                       "levels to this game");
3417     ystart += ystep_line;
3418     DrawTextSCentered(ystart, font_text,
3419                       "since 1995");
3420   }
3421
3422   DrawTextSCentered(ybottom, font_foot,
3423                     "Press any key or button for next page");
3424 }
3425
3426 static void DrawInfoScreen_Credits(void)
3427 {
3428   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3429
3430   FadeMenuSoundsAndMusic();
3431
3432   FadeOut(REDRAW_FIELD);
3433
3434   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3435
3436   FadeIn(REDRAW_FIELD);
3437 }
3438
3439 void HandleInfoScreen_Credits(int button)
3440 {
3441   static int screen_nr = 0;
3442   int num_screens = 9;
3443
3444   if (button == MB_MENU_INITIALIZE)
3445   {
3446     screen_nr = 0;
3447
3448     // DrawInfoScreen_CreditsScreen(screen_nr);
3449   }
3450
3451   if (button == MB_MENU_LEAVE)
3452   {
3453     PlaySound(SND_MENU_ITEM_SELECTING);
3454
3455     info_mode = INFO_MODE_MAIN;
3456     DrawInfoScreen();
3457
3458     return;
3459   }
3460   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3461   {
3462     if (button != MB_MENU_INITIALIZE)
3463     {
3464       PlaySound(SND_MENU_ITEM_SELECTING);
3465
3466       screen_nr++;
3467     }
3468
3469     if (screen_nr >= num_screens)
3470     {
3471       FadeMenuSoundsAndMusic();
3472
3473       info_mode = INFO_MODE_MAIN;
3474       DrawInfoScreen();
3475
3476       return;
3477     }
3478
3479     if (screen_nr > 0)
3480       FadeSetNextScreen();
3481
3482     if (button != MB_MENU_INITIALIZE)
3483       FadeOut(REDRAW_FIELD);
3484
3485     DrawInfoScreen_CreditsScreen(screen_nr);
3486
3487     if (button != MB_MENU_INITIALIZE)
3488       FadeIn(REDRAW_FIELD);
3489   }
3490   else
3491   {
3492     PlayMenuSoundIfLoop();
3493   }
3494 }
3495
3496 static void DrawInfoScreen_Program(void)
3497 {
3498   int font_title = MENU_INFO_FONT_TITLE;
3499   int font_head  = MENU_INFO_FONT_HEAD;
3500   int font_text  = MENU_INFO_FONT_TEXT;
3501   int font_foot  = MENU_INFO_FONT_FOOT;
3502   int spacing_title = menu.headline1_spacing_info[info_mode];
3503   int spacing_head  = menu.headline2_spacing_info[info_mode];
3504   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3505   int spacing_line  = menu.line_spacing_info[info_mode];
3506   int ystep_title = getMenuTextStep(spacing_title, font_title);
3507   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3508   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3509   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3510   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3511   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3512
3513   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3514
3515   FadeOut(REDRAW_FIELD);
3516
3517   ClearField();
3518   DrawHeadline();
3519
3520   DrawTextSCentered(ystart, font_title, "Program Information:");
3521   ystart += ystep_title;
3522
3523   DrawTextSCentered(ystart, font_head,
3524                     "This game is Freeware!");
3525   ystart += ystep_head;
3526   DrawTextSCentered(ystart, font_head,
3527                     "If you like it, send e-mail to:");
3528   ystart += ystep_head;
3529   DrawTextSCentered(ystart, font_text,
3530                     setup.internal.program_email);
3531   ystart += ystep_para;
3532
3533   DrawTextSCentered(ystart, font_head,
3534                     "More information and levels:");
3535   ystart += ystep_head;
3536   DrawTextSCentered(ystart, font_text,
3537                     setup.internal.program_website);
3538   ystart += ystep_para;
3539
3540   DrawTextSCentered(ystart, font_head,
3541                     "If you have created new levels,");
3542   ystart += ystep_line;
3543   DrawTextSCentered(ystart, font_head,
3544                     "send them to me to include them!");
3545   ystart += ystep_head;
3546   DrawTextSCentered(ystart, font_head,
3547                     ":-)");
3548
3549   DrawTextSCentered(ybottom, font_foot,
3550                     "Press any key or button for info menu");
3551
3552   FadeIn(REDRAW_FIELD);
3553 }
3554
3555 void HandleInfoScreen_Program(int button)
3556 {
3557   if (button == MB_MENU_LEAVE)
3558   {
3559     PlaySound(SND_MENU_ITEM_SELECTING);
3560
3561     info_mode = INFO_MODE_MAIN;
3562     DrawInfoScreen();
3563
3564     return;
3565   }
3566   else if (button == MB_MENU_CHOICE)
3567   {
3568     PlaySound(SND_MENU_ITEM_SELECTING);
3569
3570     FadeMenuSoundsAndMusic();
3571
3572     info_mode = INFO_MODE_MAIN;
3573     DrawInfoScreen();
3574   }
3575   else
3576   {
3577     PlayMenuSoundIfLoop();
3578   }
3579 }
3580
3581 static void DrawInfoScreen_Version(void)
3582 {
3583   int font_title = MENU_INFO_FONT_TITLE;
3584   int font_head  = MENU_INFO_FONT_HEAD;
3585   int font_text  = MENU_INFO_FONT_TEXT;
3586   int font_foot  = MENU_INFO_FONT_FOOT;
3587   int spacing_title = menu.headline1_spacing_info[info_mode];
3588   int spacing_head  = menu.headline2_spacing_info[info_mode];
3589   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3590   int spacing_line  = menu.line_spacing_info[info_mode];
3591   int xstep = getFontWidth(font_text);
3592   int ystep_title = getMenuTextStep(spacing_title, font_title);
3593   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3594   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3595   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3596   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3597   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3598   int xstart1 = mSX - SX + 2 * xstep;
3599   int xstart2 = mSX - SX + 18 * xstep;
3600   int xstart3 = mSX - SX + 28 * xstep;
3601   SDL_version sdl_version_compiled;
3602   const SDL_version *sdl_version_linked;
3603   int driver_name_len = 10;
3604 #if defined(TARGET_SDL2)
3605   SDL_version sdl_version_linked_ext;
3606   const char *driver_name = NULL;
3607 #else
3608   char driver_name[driver_name_len];
3609 #endif
3610
3611   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3612
3613   FadeOut(REDRAW_FIELD);
3614
3615   ClearField();
3616   DrawHeadline();
3617
3618   DrawTextSCentered(ystart, font_title, "Version Information:");
3619   ystart += ystep_title;
3620
3621   DrawTextF(xstart1, ystart, font_head, "Name");
3622   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3623   ystart += ystep_line;
3624
3625   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3626   {
3627     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3628     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3629     ystart += ystep_line;
3630
3631     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3632     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3633     ystart += ystep_line;
3634   }
3635   else
3636   {
3637     DrawTextF(xstart1, ystart, font_head, "Version");
3638     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3639     ystart += ystep_line;
3640   }
3641
3642   DrawTextF(xstart1, ystart, font_head, "Platform");
3643   DrawTextF(xstart2, ystart, font_text, PLATFORM_STRING);
3644   ystart += ystep_line;
3645
3646   DrawTextF(xstart1, ystart, font_head, "Target");
3647   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3648   ystart += ystep_line;
3649
3650   DrawTextF(xstart1, ystart, font_head, "Source date");
3651   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3652   ystart += ystep_para;
3653
3654   DrawTextF(xstart1, ystart, font_head, "Library");
3655   DrawTextF(xstart2, ystart, font_head, "compiled");
3656   DrawTextF(xstart3, ystart, font_head, "linked");
3657   ystart += ystep_head;
3658
3659   SDL_VERSION(&sdl_version_compiled);
3660 #if defined(TARGET_SDL2)
3661   SDL_GetVersion(&sdl_version_linked_ext);
3662   sdl_version_linked = &sdl_version_linked_ext;
3663 #else
3664   sdl_version_linked = SDL_Linked_Version();
3665 #endif
3666
3667   DrawTextF(xstart1, ystart, font_text, "SDL");
3668   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3669             sdl_version_compiled.major,
3670             sdl_version_compiled.minor,
3671             sdl_version_compiled.patch);
3672   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3673             sdl_version_linked->major,
3674             sdl_version_linked->minor,
3675             sdl_version_linked->patch);
3676   ystart += ystep_line;
3677
3678   SDL_IMAGE_VERSION(&sdl_version_compiled);
3679   sdl_version_linked = IMG_Linked_Version();
3680
3681   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3682   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3683             sdl_version_compiled.major,
3684             sdl_version_compiled.minor,
3685             sdl_version_compiled.patch);
3686   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3687             sdl_version_linked->major,
3688             sdl_version_linked->minor,
3689             sdl_version_linked->patch);
3690   ystart += ystep_line;
3691
3692   SDL_MIXER_VERSION(&sdl_version_compiled);
3693   sdl_version_linked = Mix_Linked_Version();
3694
3695   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3696   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3697             sdl_version_compiled.major,
3698             sdl_version_compiled.minor,
3699             sdl_version_compiled.patch);
3700   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3701             sdl_version_linked->major,
3702             sdl_version_linked->minor,
3703             sdl_version_linked->patch);
3704   ystart += ystep_line;
3705
3706   SDL_NET_VERSION(&sdl_version_compiled);
3707   sdl_version_linked = SDLNet_Linked_Version();
3708
3709   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3710   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3711             sdl_version_compiled.major,
3712             sdl_version_compiled.minor,
3713             sdl_version_compiled.patch);
3714   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3715             sdl_version_linked->major,
3716             sdl_version_linked->minor,
3717             sdl_version_linked->patch);
3718   ystart += ystep_para;
3719
3720   DrawTextF(xstart1, ystart, font_head, "Driver");
3721   DrawTextF(xstart2, ystart, font_head, "Requested");
3722   DrawTextF(xstart3, ystart, font_head, "Used");
3723   ystart += ystep_head;
3724
3725 #if defined(TARGET_SDL2)
3726   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3727 #else
3728   SDL_VideoDriverName(driver_name, driver_name_len);
3729 #endif
3730
3731   DrawTextF(xstart1, ystart, font_text, "SDL_VideoDriver");
3732   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3733   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3734   ystart += ystep_line;
3735
3736 #if defined(TARGET_SDL2)
3737   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3738 #else
3739   SDL_AudioDriverName(driver_name, driver_name_len);
3740 #endif
3741
3742   DrawTextF(xstart1, ystart, font_text, "SDL_AudioDriver");
3743   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3744   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3745
3746   DrawTextSCentered(ybottom, font_foot,
3747                     "Press any key or button for info&nbs