62e03d21b6fe8ed4fe375ea60d845636bcc420d7
[xonotic/xonotic-data.pk3dir.git] / qcsrc / common / mapinfo.qc
1 #include "mapinfo.qh"
2 #if defined(CSQC)
3     #include "../client/defs.qh"
4     #include "util.qh"
5     #include <common/weapons/_all.qh>
6 #elif defined(MENUQC)
7 #elif defined(SVQC)
8     #include "util.qh"
9     #include <common/monsters/_mod.qh>
10 #endif
11
12 bool autocvar_g_mapinfo_ignore_warnings;
13
14 // generic string stuff
15
16 int _MapInfo_Cache_Active;
17 int _MapInfo_Cache_DB_NameToIndex;
18 int _MapInfo_Cache_Buf_IndexToMapData;
19
20 void MapInfo_Cache_Destroy()
21 {
22         if(!_MapInfo_Cache_Active)
23                 return;
24
25         db_close(_MapInfo_Cache_DB_NameToIndex);
26         buf_del(_MapInfo_Cache_Buf_IndexToMapData);
27         _MapInfo_Cache_Active = 0;
28 }
29
30 void MapInfo_Cache_Create()
31 {
32         MapInfo_Cache_Destroy();
33         _MapInfo_Cache_DB_NameToIndex = db_create();
34         _MapInfo_Cache_Buf_IndexToMapData = buf_create();
35         _MapInfo_Cache_Active = 1;
36 }
37
38 void MapInfo_Cache_Invalidate()
39 {
40         if(!_MapInfo_Cache_Active)
41                 return;
42
43         MapInfo_Cache_Create();
44 }
45
46 void MapInfo_Cache_Store()
47 {
48         float i;
49         string s;
50         if(!_MapInfo_Cache_Active)
51                 return;
52
53         s = db_get(_MapInfo_Cache_DB_NameToIndex, MapInfo_Map_bspname);
54         if(s == "")
55         {
56                 i = buf_getsize(_MapInfo_Cache_Buf_IndexToMapData);
57                 db_put(_MapInfo_Cache_DB_NameToIndex, MapInfo_Map_bspname, ftos(i));
58         }
59         else
60                 i = stof(s);
61
62         // now store all the stuff
63         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData,   i, MapInfo_Map_bspname);
64         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_title);
65         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_titlestring);
66         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_description);
67         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_author);
68         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_supportedGametypes));
69         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_supportedFeatures));
70         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_flags));
71 }
72
73 float MapInfo_Cache_Retrieve(string map)
74 {
75         float i;
76         string s;
77         if(!_MapInfo_Cache_Active)
78                 return 0;
79
80         s = db_get(_MapInfo_Cache_DB_NameToIndex, map);
81         if(s == "")
82                 return 0;
83         i = stof(s);
84
85         // now retrieve all the stuff
86         MapInfo_Map_bspname = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, i);
87         MapInfo_Map_title = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
88         MapInfo_Map_titlestring = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
89         MapInfo_Map_description = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
90         MapInfo_Map_author = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
91         MapInfo_Map_supportedGametypes = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
92         MapInfo_Map_supportedFeatures = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
93         MapInfo_Map_flags = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
94
95         return 1;
96 }
97
98 // GLOB HANDLING (for all BSP files)
99 float _MapInfo_globopen;
100 float _MapInfo_globcount;
101 float _MapInfo_globhandle;
102 string _MapInfo_GlobItem(float i)
103 {
104         string s;
105         if(!_MapInfo_globopen)
106                 return string_null;
107         s = search_getfilename(_MapInfo_globhandle, i);
108         return substring(s, 5, strlen(s) - 9); // without maps/ and .bsp
109 }
110
111 void MapInfo_Enumerate()
112 {
113         if(_MapInfo_globopen)
114         {
115                 search_end(_MapInfo_globhandle);
116                 _MapInfo_globopen = 0;
117         }
118         MapInfo_Cache_Invalidate();
119         _MapInfo_globhandle = search_begin("maps/*.bsp", true, true);
120         if(_MapInfo_globhandle >= 0)
121         {
122                 _MapInfo_globcount = search_getsize(_MapInfo_globhandle);
123                 _MapInfo_globopen = 1;
124         }
125         else
126                 _MapInfo_globcount = 0;
127 }
128
129 // filter the info by game type mask (updates MapInfo_count)
130 //
131 float _MapInfo_filtered;
132 float _MapInfo_filtered_allocated;
133 float MapInfo_FilterList_Lookup(float i)
134 {
135         return stof(bufstr_get(_MapInfo_filtered, i));
136 }
137
138 void _MapInfo_FilterList_swap(float i, float j, entity pass)
139 {
140         string h;
141         h = bufstr_get(_MapInfo_filtered, i);
142         bufstr_set(_MapInfo_filtered, i, bufstr_get(_MapInfo_filtered, j));
143         bufstr_set(_MapInfo_filtered, j, h);
144 }
145
146 float _MapInfo_FilterList_cmp(float i, float j, entity pass)
147 {
148         string a, b;
149         a = _MapInfo_GlobItem(stof(bufstr_get(_MapInfo_filtered, i)));
150         b = _MapInfo_GlobItem(stof(bufstr_get(_MapInfo_filtered, j)));
151         return strcasecmp(a, b);
152 }
153
154 float MapInfo_FilterGametype(Gametype pGametype, int pFeatures, int pFlagsRequired, int pFlagsForbidden, bool pAbortOnGenerate)
155 {
156         return _MapInfo_FilterGametype(pGametype.m_flags, pFeatures, pFlagsRequired, pFlagsForbidden, pAbortOnGenerate);
157 }
158 float _MapInfo_FilterGametype(int pGametype, int pFeatures, int pFlagsRequired, int pFlagsForbidden, bool pAbortOnGenerate)
159 {
160         float i, j;
161         if (!_MapInfo_filtered_allocated)
162         {
163                 _MapInfo_filtered_allocated = 1;
164                 _MapInfo_filtered = buf_create();
165         }
166         MapInfo_count = 0;
167         for(i = 0, j = -1; i < _MapInfo_globcount; ++i)
168         {
169                 if(MapInfo_Get_ByName(_MapInfo_GlobItem(i), 1, NULL) == 2) // if we generated one... BAIL OUT and let the caller continue in the next frame.
170                         if(pAbortOnGenerate)
171                         {
172                                 LOG_TRACE("Autogenerated a .mapinfo, doing the rest later.");
173                                 MapInfo_progress = i / _MapInfo_globcount;
174                                 return 0;
175                         }
176                 if((MapInfo_Map_supportedGametypes & pGametype) != 0)
177                 if((MapInfo_Map_supportedFeatures & pFeatures) == pFeatures)
178                 if((MapInfo_Map_flags & pFlagsForbidden) == 0)
179                 if((MapInfo_Map_flags & pFlagsRequired) == pFlagsRequired)
180                         bufstr_set(_MapInfo_filtered, ++j, ftos(i));
181         }
182         MapInfo_count = j + 1;
183         MapInfo_ClearTemps();
184
185         // sometimes the glob isn't sorted nicely, so fix it here...
186         heapsort(MapInfo_count, _MapInfo_FilterList_swap, _MapInfo_FilterList_cmp, NULL);
187
188         return 1;
189 }
190 void MapInfo_FilterString(string sf)
191 {
192         // this function further filters _MapInfo_filtered, which is prepared by MapInfo_FilterGametype by string
193         float i, j;
194         string title;
195
196         for(i = 0, j = -1; i < MapInfo_count; ++i)
197         {
198                 if (MapInfo_Get_ByID(i))
199                 {
200                         // prepare for keyword filter
201                         if (MapInfo_Map_title && strstrofs(MapInfo_Map_title, "<TITLE>", 0) == -1)
202                                 title = MapInfo_Map_title;
203                         else
204                                 title = MapInfo_Map_bspname;
205                         // keyword filter
206                         if((strstrofs(strtolower(title), strtolower(sf), 0)) >= 0)
207                                 bufstr_set(_MapInfo_filtered, ++j, bufstr_get(_MapInfo_filtered, i));
208                 }
209         }
210         MapInfo_count = j + 1;
211         MapInfo_ClearTemps();
212
213         // sometimes the glob isn't sorted nicely, so fix it here...
214         heapsort(MapInfo_count, _MapInfo_FilterList_swap, _MapInfo_FilterList_cmp, NULL);
215 }
216
217 void MapInfo_Filter_Free()
218 {
219         if(_MapInfo_filtered_allocated)
220         {
221                 buf_del(_MapInfo_filtered);
222                 _MapInfo_filtered_allocated = 0;
223         }
224 }
225
226 // load info about the i-th map into the MapInfo_Map_* globals
227 string MapInfo_BSPName_ByID(float i)
228 {
229         return _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i));
230 }
231
232 string unquote(string s)
233 {
234         float l = strlen(s);
235         for(float i = 0; i < l; ++i)
236         {
237                 string ch = substring(s, i, 1);
238                 if((ch != " ") && (ch != "\""))
239                 {
240                         for(float j = l - i - 1; j > 0; --j)
241                         {
242                                 ch = substring(s, i+j, 1);
243                                 if(ch != " ") if(ch != "\"")
244                                         return substring(s, i, j+1);
245                         }
246                         return substring(s, i, 1);
247                 }
248         }
249         return "";
250 }
251
252 float MapInfo_Get_ByID(float i)
253 {
254         if(MapInfo_Get_ByName(MapInfo_BSPName_ByID(i), 0, NULL))
255                 return 1;
256         return 0;
257 }
258
259 string _MapInfo_Map_worldspawn_music;
260
261 float _MapInfo_Generate(string pFilename) // 0: failure, 1: ok ent, 2: ok bsp
262 {
263         string fn;
264         float fh;
265         string s, k, v;
266         vector o;
267         float i;
268         float inWorldspawn;
269         float r;
270         float diameter, spawnpoints;
271         float spawnplaces;
272
273         vector mapMins, mapMaxs;
274
275         r = 1;
276         fn = strcat("maps/", pFilename, ".ent");
277         fh = fopen(fn, FILE_READ);
278         if(fh < 0)
279         {
280                 r = 2;
281                 fn = strcat("maps/", pFilename, ".bsp");
282                 fh = fopen(fn, FILE_READ);
283         }
284         if(fh < 0)
285                 return 0;
286         LOG_INFO("Analyzing ", fn, " to generate initial mapinfo");
287
288         inWorldspawn = 2;
289         MapInfo_Map_flags = 0;
290         MapInfo_Map_supportedGametypes = 0;
291         spawnpoints = 0;
292         spawnplaces = 0;
293         _MapInfo_Map_worldspawn_music = "";
294         mapMins = '0 0 0';
295         mapMaxs = '0 0 0';
296
297         for (;;)
298         {
299                 if (!((s = fgets(fh))))
300                         break;
301                 if(inWorldspawn == 1)
302                         if(startsWith(s, "}"))
303                                 inWorldspawn = 0;
304                 k = unquote(car(s));
305                 v = unquote(cdr(s));
306                 if(inWorldspawn)
307                 {
308                         if(k == "classname" && v == "worldspawn")
309                                 inWorldspawn = 1;
310                         else if(k == "author")
311                                 MapInfo_Map_author = v;
312                         else if(k == "_description")
313                                 MapInfo_Map_description = v;
314                         else if(k == "music")
315                                 _MapInfo_Map_worldspawn_music = v;
316                         else if(k == "noise")
317                                 _MapInfo_Map_worldspawn_music = v;
318                         else if(k == "message")
319                         {
320                                 i = strstrofs(v, " by ", 0);
321                                 if(MapInfo_Map_author == "<AUTHOR>" && i >= 0)
322                                 {
323                                         MapInfo_Map_title = substring(v, 0, i);
324                                         MapInfo_Map_author = substring(v, i + 4, strlen(v) - (i + 4));
325                                 }
326                                 else
327                                         MapInfo_Map_title = v;
328                         }
329                 }
330                 else
331                 {
332                         if(k == "origin")
333                         {
334                                 o = stov(strcat("'", v, "'"));
335                                 mapMins.x = min(mapMins.x, o.x);
336                                 mapMins.y = min(mapMins.y, o.y);
337                                 mapMins.z = min(mapMins.z, o.z);
338                                 mapMaxs.x = max(mapMaxs.x, o.x);
339                                 mapMaxs.y = max(mapMaxs.y, o.y);
340                                 mapMaxs.z = max(mapMaxs.z, o.z);
341                         }
342                         else if(k == "race_place")
343                         {
344                                 if(stof(v) > 0)
345                                         spawnplaces = 1;
346                         }
347                         else if(k == "classname")
348                         {
349                                 if(v == "info_player_team1")
350                                         ++spawnpoints;
351                                 else if(v == "info_player_team2")
352                                         ++spawnpoints;
353                                 else if(v == "info_player_start")
354                                         ++spawnpoints;
355                                 else if(v == "info_player_deathmatch")
356                                         ++spawnpoints;
357                                 else if(v == "weapon_nex")
358                                         { }
359                                 else if(v == "weapon_railgun")
360                                         { }
361                                 else if(startsWith(v, "weapon_"))
362                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
363                                 else if(startsWith(v, "turret_"))
364                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
365                                 else if(startsWith(v, "vehicle_"))
366                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
367                                 else if(startsWith(v, "monster_"))
368                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_MONSTERS;
369                                 else if(v == "target_music" || v == "trigger_music")
370                                         _MapInfo_Map_worldspawn_music = string_null; // don't use regular BGM
371                                 else
372                                         FOREACH(Gametypes, true, it.m_generate_mapinfo(it, v));
373                         }
374                 }
375         }
376         if(inWorldspawn)
377         {
378                 LOG_WARN(fn, " ended still in worldspawn, BUG");
379                 return 0;
380         }
381         diameter = vlen(mapMaxs - mapMins);
382
383         int twoBaseModes = 0;
384         FOREACH(Gametypes, it.m_isTwoBaseMode(), twoBaseModes |= it.m_flags);
385         if(twoBaseModes && (twoBaseModes &= MapInfo_Map_supportedGametypes))
386         {
387                 // we have a symmetrical map, don't add the modes without bases
388         }
389         else
390         {
391                 FOREACH(Gametypes, it.m_isAlwaysSupported(it, spawnpoints, diameter), MapInfo_Map_supportedGametypes |= it.m_flags);
392         }
393
394         if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_RACE.m_flags)
395         if(!spawnplaces)
396         {
397                 MapInfo_Map_supportedGametypes &= ~MAPINFO_TYPE_RACE.m_flags;
398                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTS.m_flags;
399         }
400
401         LOG_TRACE("-> diameter ",    ftos(diameter));
402         LOG_TRACE(";  spawnpoints ", ftos(spawnpoints));
403         LOG_TRACE(";  modes ",       ftos(MapInfo_Map_supportedGametypes));
404
405         fclose(fh);
406
407         return r;
408 }
409
410 void _MapInfo_Map_Reset()
411 {
412         MapInfo_Map_title = "<TITLE>";
413         MapInfo_Map_titlestring = "<TITLE>";
414         MapInfo_Map_description = "<DESCRIPTION>";
415         MapInfo_Map_author = "<AUTHOR>";
416         MapInfo_Map_supportedGametypes = 0;
417         MapInfo_Map_supportedFeatures = 0;
418         MapInfo_Map_flags = 0;
419         MapInfo_Map_clientstuff = "";
420         MapInfo_Map_fog = "";
421         MapInfo_Map_mins = '0 0 0';
422         MapInfo_Map_maxs = '0 0 0';
423 }
424
425 string _MapInfo_GetDefault(Gametype t)
426 {
427         return t.m_legacydefaults;
428 }
429
430 void _MapInfo_Map_ApplyGametype(string s, Gametype pWantedType, Gametype pThisType, int load_default)
431 {
432         string sa;
433         MapInfo_Map_supportedGametypes |= pThisType.m_flags;
434         if(!(pThisType.m_flags & pWantedType.m_flags))
435                 return;
436
437         if(load_default)
438                 _MapInfo_Map_ApplyGametype(_MapInfo_GetDefault(pThisType), pWantedType, pThisType, false);
439
440         if(!pWantedType.frags) // these modes don't use fraglimit
441         {
442                 cvar_set("fraglimit", "0");
443         }
444         else
445         {
446                 sa = car(s);
447                 if(sa != "")
448                         cvar_set("fraglimit", sa);
449                 s = cdr(s);
450         }
451
452         sa = car(s);
453         if(sa != "")
454                 cvar_set("timelimit", sa);
455         s = cdr(s);
456
457         if(pWantedType.m_setTeams)
458         {
459                 sa = car(s);
460                 if(sa != "")
461                         pWantedType.m_setTeams(sa);
462                 s = cdr(s);
463         }
464
465         // rc = timelimit timelimit_qualification laps laps_teamplay
466         if(pWantedType == MAPINFO_TYPE_RACE)
467         {
468                 cvar_set("fraglimit", "0"); // special case!
469
470                 sa = car(s); if(sa == "") sa = cvar_string("timelimit");
471                 cvar_set("g_race_qualifying_timelimit", sa);
472                 s = cdr(s);
473
474                 sa = car(s);
475                 if(sa != "")
476                         if(cvar("g_race_teams") < 2)
477                                 cvar_set("fraglimit", sa);
478                 s = cdr(s);
479
480                 sa = car(s);
481                 if(sa != "")
482                         if(cvar("g_race_teams") >= 2)
483                                 cvar_set("fraglimit", sa);
484                 s = cdr(s);
485         }
486
487         if(!pWantedType.frags) // these modes don't use fraglimit
488         {
489                 cvar_set("leadlimit", "0");
490         }
491         else
492         {
493                 sa = car(s);
494                 if(sa != "")
495                         cvar_set("leadlimit", sa);
496                 s = cdr(s);
497         }
498 }
499
500 string _MapInfo_GetDefaultEx(Gametype t)
501 {
502         return t ? t.model2 : "";
503 }
504
505 float _MapInfo_GetTeamPlayBool(Gametype t)
506 {
507         return t ? t.team : false;
508 }
509
510 void _MapInfo_Map_ApplyGametypeEx(string s, Gametype pWantedType, Gametype pThisType)
511 {
512         MapInfo_Map_supportedGametypes |= pThisType.m_flags;
513         if (!(pThisType.m_flags & pWantedType.m_flags))
514                 return;
515
516         // reset all the cvars to their defaults
517
518         cvar_set("timelimit", cvar_defstring("timelimit"));
519         cvar_set("leadlimit", cvar_defstring("leadlimit"));
520         cvar_set("fraglimit", cvar_defstring("fraglimit"));
521         FOREACH(Gametypes, true, it.m_parse_mapinfo(string_null, string_null));
522
523         string fraglimit_normal = string_null;
524         string fraglimit_teams = string_null;
525
526         for (s = strcat(_MapInfo_GetDefaultEx(pWantedType), " ", s); s != ""; s = cdr(s)) {
527                 string sa = car(s);
528                 if (sa == "") continue;
529                 int p = strstrofs(sa, "=", 0);
530                 if (p < 0) {
531                         if(!autocvar_g_mapinfo_ignore_warnings)
532                                 LOG_WARNF("Invalid gametype setting in mapinfo for gametype %s: %s", MapInfo_Type_ToString(pWantedType), sa);
533                         continue;
534                 }
535                 string k = substring(sa, 0, p);
536                 string v = substring(sa, p + 1, -1);
537                 bool handled = true;
538                 switch (k) {
539                         case "timelimit":
540                         {
541                                 cvar_set("timelimit", v);
542                                 break;
543                         }
544                         case "leadlimit":
545                         {
546                                 cvar_set("leadlimit", v);
547                                 break;
548                         }
549                         case "pointlimit":
550                         case "fraglimit":
551                         case "lives":
552                         case "laplimit":
553                         case "caplimit":
554                         {
555                                 fraglimit_normal = v;
556                                 break;
557                         }
558                         case "teampointlimit":
559                         case "teamlaplimit":
560                         {
561                                 fraglimit_teams = v;
562                                 break;
563                         }
564                         default:
565                         {
566                             handled = false;
567                             break;
568                         }
569                 }
570                 FOREACH(Gametypes, true, handled |= it.m_parse_mapinfo(k, v));
571                 if (!handled && !autocvar_g_mapinfo_ignore_warnings)
572             LOG_WARNF("Invalid gametype setting in mapinfo for gametype %s: %s", MapInfo_Type_ToString(pWantedType), sa);
573         }
574
575         if (pWantedType == MAPINFO_TYPE_RACE && cvar("g_race_teams") >= 2)
576         {
577                 if(fraglimit_teams)
578                         cvar_set("fraglimit", fraglimit_teams);
579         }
580         else
581         {
582                 if(fraglimit_normal)
583                         cvar_set("fraglimit", fraglimit_normal);
584         }
585 }
586
587 Gametype MapInfo_Type_FromString(string t)
588 {
589 #define deprecate(from, to) MACRO_BEGIN { \
590         if (t == #from) { \
591                 string replacement = #to; \
592                 if(!autocvar_g_mapinfo_ignore_warnings) \
593                         LOG_WARNF("MapInfo_Type_FromString (probably %s): using deprecated name '%s'. Should use '%s'.", MapInfo_Map_bspname, t, replacement); \
594                 t = replacement; \
595         } \
596 } MACRO_END
597         deprecate(nexball, nb);
598         deprecate(freezetag, ft);
599         deprecate(keepaway, ka);
600         deprecate(invasion, inv);
601         deprecate(assault, as);
602         deprecate(race, rc);
603         FOREACH(Gametypes, it.mdl == t, return it);
604         return NULL;
605 #undef deprecate
606 }
607
608 string MapInfo_Type_Description(Gametype t)
609 {
610         return t ? t.gametype_description : "";
611 }
612
613 string MapInfo_Type_ToString(Gametype t)
614 {
615         return t ? t.mdl : "";
616 }
617
618 string MapInfo_Type_ToText(Gametype t)
619 {
620         /* xgettext:no-c-format */
621         return t ? t.message : _("@!#%'n Tuba Throwing");
622 }
623
624 void _MapInfo_Parse_Settemp(string pFilename, string acl, float type, string s, float recurse)
625 {
626         string t;
627         float fh, o;
628         t = car(s); s = cdr(s);
629
630         // limited support of "" and comments
631         //   remove trailing and leading " of t
632         if(substring(t, 0, 1) == "\"")
633         {
634                 if(substring(t, -1, 1) == "\"")
635                         t = substring(t, 1, -2);
636         }
637
638         //   remove leading " of s
639         if(substring(s, 0, 1) == "\"")
640         {
641                 s = substring(s, 1, -1);
642         }
643         //   remove trailing " of s, and all that follows (cvar description)
644         o = strstrofs(s, "\"", 0);
645         if(o >= 0)
646                 s = substring(s, 0, o);
647
648         //   remove // comments
649         o = strstrofs(s, "//", 0);
650         if(o >= 0)
651                 s = substring(s, 0, o);
652
653         //   remove trailing spaces
654         while(substring(s, -1, 1) == " ")
655                 s = substring(s, 0, -2);
656
657         if(t == "#include")
658         {
659                 if(recurse > 0)
660                 {
661                         fh = fopen(s, FILE_READ);
662                         if(fh < 0)
663                                 LOG_WARN("Map ", pFilename, " references not existing config file ", s);
664                         else
665                         {
666                                 for (;;)
667                                 {
668                                         if (!((s = fgets(fh))))
669                                                 break;
670
671                                         // catch different sorts of comments
672                                         if(s == "")                    // empty lines
673                                                 continue;
674                                         if(substring(s, 0, 1) == "#")  // UNIX style
675                                                 continue;
676                                         if(substring(s, 0, 2) == "//") // C++ style
677                                                 continue;
678                                         if(substring(s, 0, 1) == "_")  // q3map style
679                                                 continue;
680
681                                         if(substring(s, 0, 4) == "set ")
682                                                 s = substring(s, 4, -1);
683                                         if(substring(s, 0, 5) == "seta ")
684                                                 s = substring(s, 5, -1);
685
686                                         _MapInfo_Parse_Settemp(pFilename, acl, type, s, recurse - 1);
687                                 }
688                                 fclose(fh);
689                         }
690                 }
691                 else
692                         LOG_WARN("Map ", pFilename, " uses too many levels of inclusion");
693         }
694         else if(t == "")
695                 LOG_WARN("Map ", pFilename, " contains a potentially harmful setting, ignored");
696         else if (!cvar_value_issafe(t))
697                 LOG_WARN("Map ", pFilename, " contains a potentially harmful setting, ignored");
698         else if (!cvar_value_issafe(s))
699                 LOG_WARN("Map ", pFilename, " contains a potentially harmful setting, ignored");
700         else if(matchacl(MAPINFO_SETTEMP_ACL_SYSTEM, t) <= 0)
701                 LOG_WARN("Map ", pFilename, " contains a potentially harmful setting, ignored");
702         else if(matchacl(acl, t) <= 0)
703                 LOG_WARN("Map ", pFilename, " contains a denied setting, ignored");
704         else
705         {
706                 if(type == 0) // server set
707                 {
708                         LOG_TRACE("Applying temporary setting ", t, " := ", s);
709                         if(cvar("g_campaign"))
710                                 cvar_set(t, s); // this is a wrapper and is always temporary anyway; no need to backup old values then
711                         else
712                                 cvar_settemp(t, s);
713                 }
714                 else
715                 {
716                         LOG_TRACE("Applying temporary client setting ", t, " := ", s);
717                         MapInfo_Map_clientstuff = strcat(
718                                         MapInfo_Map_clientstuff, "cl_cmd settemp \"", t, "\" \"", s, "\"\n"
719                                         );
720                 }
721         }
722 }
723
724 float MapInfo_isRedundant(string fn, string t)
725 {
726         // normalize file name
727         fn = strreplace("_", "-", fn);
728
729         // normalize visible title
730         t = strreplace(": ", "-", t);
731         t = strreplace(":", "-", t);
732         t = strreplace(" ", "-", t);
733         t = strreplace("_", "-", t);
734         t = strreplace("'", "-", t);
735
736         if(!strcasecmp(fn, t))
737                 return true;
738
739         // we allow the visible title to have punctuation the file name does
740         // not, but not vice versa
741         t = strreplace("-", "", t);
742         fn = strreplace("-", "", fn);
743
744         if(!strcasecmp(fn, t))
745                 return true;
746
747         return false;
748 }
749
750 // load info about a map by name into the MapInfo_Map_* globals
751 float MapInfo_Get_ByName_NoFallbacks(string pFilename, int pAllowGenerate, Gametype pGametypeToSet)
752 {
753         string fn;
754         string s, t;
755         float fh;
756         int f, i;
757         float r, n, p;
758         string acl;
759
760         acl = MAPINFO_SETTEMP_ACL_USER;
761
762         if(strstrofs(pFilename, "/", 0) >= 0)
763         {
764                 LOG_WARN("Invalid character in map name, ignored");
765                 return 0;
766         }
767
768         if(pGametypeToSet == NULL)
769                 if(MapInfo_Cache_Retrieve(pFilename))
770                         return 1;
771
772         r = 1;
773
774         MapInfo_Map_bspname = pFilename;
775
776         // default all generic fields so they have "good" values in case something fails
777         fn = strcat("maps/", pFilename, ".mapinfo");
778         fh = fopen(fn, FILE_READ);
779         if(fh < 0)
780         {
781                 fn = strcat("maps/autogenerated/", pFilename, ".mapinfo");
782                 fh = fopen(fn, FILE_READ);
783                 if(fh < 0)
784                 {
785                         if(!pAllowGenerate)
786                                 return 0;
787                         _MapInfo_Map_Reset();
788                         r = _MapInfo_Generate(pFilename);
789                         if(!r)
790                                 return 0;
791                         fh = fopen(fn, FILE_WRITE);
792                         fputs(fh, strcat("title ", MapInfo_Map_title, "\n"));
793                         fputs(fh, strcat("description ", MapInfo_Map_description, "\n"));
794                         fputs(fh, strcat("author ", MapInfo_Map_author, "\n"));
795                         if(_MapInfo_Map_worldspawn_music != "")
796                         {
797                                 if(
798                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".wav"
799                                         ||
800                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".ogg"
801                                 )
802                                         fputs(fh, strcat("cdtrack ", substring(_MapInfo_Map_worldspawn_music, 0, strlen(_MapInfo_Map_worldspawn_music) - 4), "\n"));
803                                 else
804                                         fputs(fh, strcat("cdtrack ", _MapInfo_Map_worldspawn_music, "\n"));
805                         }
806                         else
807                         {
808                                 n = tokenize_console(cvar_string("g_cdtracks_remaplist"));
809                                 s = strcat(" ", cvar_string("g_cdtracks_dontusebydefault"), " ");
810                                 for (;;)
811                                 {
812                                         i = floor(random() * n);
813                                         if(strstrofs(s, strcat(" ", argv(i), " "), 0) < 0)
814                                                 break;
815                                 }
816                                 fputs(fh, strcat("cdtrack ", ftos(i + 1), "\n"));
817                         }
818                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_WEAPONS)
819                                 fputs(fh, "has weapons\n");
820                         else
821                                 fputs(fh, "// uncomment this if you added weapon pickups: has weapons\n");
822                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_TURRETS)
823                                 fputs(fh, "has turrets\n");
824                         else
825                                 fputs(fh, "// uncomment this if you added turrets: has turrets\n");
826                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_VEHICLES)
827                                 fputs(fh, "has vehicles\n");
828                         else
829                                 fputs(fh, "// uncomment this if you added vehicles: has vehicles\n");
830                         if(MapInfo_Map_flags & MAPINFO_FLAG_FRUSTRATING)
831                                 fputs(fh, "frustrating\n");
832
833                         FOREACH(Gametypes, MapInfo_Map_supportedGametypes & it.m_flags, {
834                                 fputs(fh, sprintf("gametype %s // defaults: %s\n", MapInfo_Type_ToString(it), _MapInfo_GetDefaultEx(it)));
835                         });
836
837                         if(fexists(strcat("scripts/", pFilename, ".arena")))
838                                 fputs(fh, "settemp_for_type all sv_q3acompat_machineshotgunswap 1\n");
839
840                         if(fexists(strcat("scripts/", pFilename, ".defi")))
841                                 fputs(fh, "settemp_for_type all sv_vq3compat 1\n");
842
843                         fputs(fh, "// optional: fog density red green blue alpha mindist maxdist\n");
844                         fputs(fh, "// optional: settemp_for_type (all|gametypename) cvarname value\n");
845                         fputs(fh, "// optional: clientsettemp_for_type (all|gametypename) cvarname value\n");
846                         fputs(fh, "// optional: size mins_x mins_y mins_z maxs_x maxs_y maxs_z\n");
847                         fputs(fh, "// optional: hidden\n");
848
849                         fclose(fh);
850                         r = 2;
851                         // return r;
852                         fh = fopen(fn, FILE_READ);
853                         if(fh < 0)
854                                 error("... but I just wrote it!");
855                 }
856
857                 if(!autocvar_g_mapinfo_ignore_warnings)
858                         LOG_WARN("autogenerated mapinfo file ", fn, " has been loaded; please edit that file and move it to maps/", pFilename, ".mapinfo");
859         }
860
861         _MapInfo_Map_Reset();
862         for (;;)
863         {
864                 if (!((s = fgets(fh))))
865                         break;
866
867                 // catch different sorts of comments
868                 if(s == "")                    // empty lines
869                         continue;
870                 if(substring(s, 0, 1) == "#")  // UNIX style
871                         continue;
872                 if(substring(s, 0, 2) == "//") // C++ style
873                         continue;
874                 if(substring(s, 0, 1) == "_")  // q3map style
875                         continue;
876
877                 p = strstrofs(s, "//", 0);
878                 if(p >= 0)
879                         s = substring(s, 0, p);
880
881                 t = car(s); s = cdr(s);
882                 if(t == "title")
883                         MapInfo_Map_title = s;
884                 else if(t == "description")
885                         MapInfo_Map_description = s;
886                 else if(t == "author")
887                         MapInfo_Map_author = s;
888                 else if(t == "has")
889                 {
890                         t = car(s); // s = cdr(s);
891                         if     (t == "weapons") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
892                         else if(t == "turrets") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
893                         else if(t == "vehicles") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
894                         else if(t == "monsters") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_MONSTERS;
895                         else if(t == "new_toys") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
896                         else
897                                 LOG_WARN("Map ", pFilename, " supports unknown feature ", t, ", ignored");
898                 }
899                 else if(t == "hidden")
900                 {
901                         MapInfo_Map_flags |= MAPINFO_FLAG_HIDDEN;
902                 }
903                 else if(t == "forbidden")
904                 {
905                         MapInfo_Map_flags |= MAPINFO_FLAG_FORBIDDEN;
906                 }
907                 else if(t == "frustrating")
908                 {
909                         MapInfo_Map_flags |= MAPINFO_FLAG_FRUSTRATING;
910                 }
911                 else if(t == "noautomaplist")
912                 {
913                         MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
914                 }
915                 else if(t == "gameversion_min")
916                 {
917                         if (cvar("gameversion") < stof(s))
918                                 MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
919                 }
920                 else if(t == "type")
921                 {
922                         t = car(s); s = cdr(s);
923                         Gametype f = MapInfo_Type_FromString(t);
924                         //if(!autocvar_g_mapinfo_ignore_warnings)
925                                 //LOG_WARN("Map ", pFilename, " contains the legacy 'type' keyword which is deprecated and will be removed in the future. Please migrate the mapinfo file to 'gametype'.");
926                         if(f)
927                                 _MapInfo_Map_ApplyGametype (s, pGametypeToSet, f, true);
928                         else if(!autocvar_g_mapinfo_ignore_warnings)
929                                 LOG_DEBUG("Map ", pFilename, " supports unknown game type ", t, ", ignored");
930                 }
931                 else if(t == "gametype")
932                 {
933                         t = car(s); s = cdr(s);
934                         Gametype f = MapInfo_Type_FromString(t);
935                         if(f)
936                                 _MapInfo_Map_ApplyGametypeEx (s, pGametypeToSet, f);
937                         else if(!autocvar_g_mapinfo_ignore_warnings)
938                                 LOG_DEBUG("Map ", pFilename, " supports unknown game type ", t, ", ignored");
939                 }
940                 else if(t == "size")
941                 {
942                         float a, b, c, d, e;
943                         t = car(s); s = cdr(s); a = stof(t);
944                         t = car(s); s = cdr(s); b = stof(t);
945                         t = car(s); s = cdr(s); c = stof(t);
946                         t = car(s); s = cdr(s); d = stof(t);
947                         t = car(s); s = cdr(s); e = stof(t);
948                         if(s == "")
949                                 LOG_WARN("Map ", pFilename, " contains an incorrect size line (not enough params), syntax: size mins_x mins_y mins_z maxs_x maxs_y maxs_z");
950                         else
951                         {
952                                 t = car(s); s = cdr(s); f = stof(t);
953                                 if(s != "")
954                                         LOG_WARN("Map ", pFilename, " contains an incorrect size line (too many params), syntax: size mins_x mins_y mins_z maxs_x maxs_y maxs_z");
955                                 else
956                                 {
957                                         if(a >= d || b >= e || c >= f)
958                                                 LOG_WARN("Map ", pFilename, " contains an incorrect size line, mins have to be < maxs");
959                                         else
960                                         {
961                                                 MapInfo_Map_mins.x = a;
962                                                 MapInfo_Map_mins.y = b;
963                                                 MapInfo_Map_mins.z = c;
964                                                 MapInfo_Map_maxs.x = d;
965                                                 MapInfo_Map_maxs.y = e;
966                                                 MapInfo_Map_maxs.z = f;
967                                         }
968                                 }
969                         }
970                 }
971                 else if(t == "settemp_for_type")
972                 {
973                         t = car(s); s = cdr(s);
974                         bool all = t == "all";
975                         Gametype f = NULL;
976                         if(all || (f = MapInfo_Type_FromString(t)))
977                         {
978                                 if((all ? MAPINFO_TYPE_ALL : f.m_flags) & pGametypeToSet.m_flags)
979                                 {
980                                         _MapInfo_Parse_Settemp(pFilename, acl, 0, s, 1);
981                                 }
982                         }
983                         else
984                         {
985                                 LOG_DEBUG("Map ", pFilename, " has a setting for unknown game type ", t, ", ignored");
986                         }
987                 }
988                 else if(t == "clientsettemp_for_type")
989                 {
990                         t = car(s); s = cdr(s);
991                         bool all = t == "all";
992                         Gametype f = NULL;
993                         if(all || (f = MapInfo_Type_FromString(t)))
994                         {
995                                 if((all ? MAPINFO_TYPE_ALL : f.m_flags) & pGametypeToSet.m_flags)
996                                 {
997                                         _MapInfo_Parse_Settemp(pFilename, acl, 1, s, 1);
998                                 }
999                         }
1000                         else
1001                         {
1002                                 LOG_DEBUG("Map ", pFilename, " has a client setting for unknown game type ", t, ", ignored");
1003                         }
1004                 }
1005                 else if(t == "fog")
1006                 {
1007                         if (!cvar_value_issafe(s))
1008                                 LOG_WARN("Map ", pFilename, " contains a potentially harmful fog setting, ignored");
1009                         else
1010                                 MapInfo_Map_fog = s;
1011                 }
1012                 else if(t == "cdtrack")
1013                 {
1014                         t = car(s); s = cdr(s);
1015                         // We do this only if pGametypeToSet even though this
1016                         // content is theoretically game type independent,
1017                         // because MapInfo_Map_clientstuff contains otherwise
1018                         // game type dependent stuff. That way this value stays
1019                         // empty when not setting a game type to not set any
1020                         // false expectations.
1021                         if(pGametypeToSet)
1022                         {
1023                                 if (!cvar_value_issafe(t))
1024                                         LOG_WARN("Map ", pFilename, " contains a potentially harmful cdtrack, ignored");
1025                                 else
1026                                         MapInfo_Map_clientstuff = strcat(
1027                                                 MapInfo_Map_clientstuff, "cd loop \"", t, "\"\n"
1028                                         );
1029                         }
1030                 }
1031                 else if(!autocvar_g_mapinfo_ignore_warnings)
1032                         LOG_WARN("Map ", pFilename, " provides unknown info item ", t, ", ignored");
1033         }
1034         fclose(fh);
1035
1036         if(MapInfo_Map_title == "<TITLE>")
1037                 MapInfo_Map_titlestring = MapInfo_Map_bspname;
1038         else if(MapInfo_isRedundant(MapInfo_Map_bspname, MapInfo_Map_title))
1039                 MapInfo_Map_titlestring = MapInfo_Map_title;
1040         else
1041                 MapInfo_Map_titlestring = sprintf("%s: %s", MapInfo_Map_bspname, MapInfo_Map_title);
1042
1043         MapInfo_Cache_Store();
1044         if(MapInfo_Map_supportedGametypes != 0)
1045                 return r;
1046         LOG_WARN("Map ", pFilename, " supports no game types, ignored");
1047         return 0;
1048 }
1049 int MapInfo_Get_ByName(string pFilename, float pAllowGenerate, Gametype pGametypeToSet)
1050 {
1051         int r = MapInfo_Get_ByName_NoFallbacks(pFilename, pAllowGenerate, pGametypeToSet);
1052
1053         FOREACH(Gametypes, it.m_isForcedSupported(it), _MapInfo_Map_ApplyGametypeEx("", pGametypeToSet, it));
1054
1055         if(pGametypeToSet)
1056         {
1057                 if(!(MapInfo_Map_supportedGametypes & pGametypeToSet.m_flags))
1058                 {
1059                         error("Can't select the requested game type. This should never happen as the caller should prevent it!\n");
1060                         //_MapInfo_Map_ApplyGametypeEx("", pGametypeToSet, MAPINFO_TYPE_DEATHMATCH);
1061                         //return;
1062                 }
1063         }
1064
1065         return r;
1066 }
1067
1068 float MapInfo_FindName(string s)
1069 {
1070         // if there is exactly one map of prefix s, return it
1071         // if not, return the null string
1072         // note that DP sorts glob results... so I can use a binary search
1073         float l, r, m, cmp;
1074         l = 0;
1075         r = MapInfo_count;
1076         // invariants: r is behind s, l-1 is equal or before
1077         while(l != r)
1078         {
1079                 m = floor((l + r) / 2);
1080                 MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(m));
1081                 cmp = strcasecmp(MapInfo_FindName_match, s);
1082                 if(cmp == 0)
1083                         return m; // found and good
1084                 if(cmp < 0)
1085                         l = m + 1; // l-1 is before s
1086                 else
1087                         r = m; // behind s
1088         }
1089         MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(l));
1090         MapInfo_FindName_firstResult = l;
1091         // r == l, so: l is behind s, l-1 is before
1092         // SO: if there is any, l is the one with the right prefix
1093         //     and l+1 may be one too
1094         if(l == MapInfo_count)
1095         {
1096                 MapInfo_FindName_match = string_null;
1097                 MapInfo_FindName_firstResult = -1;
1098                 return -1; // no MapInfo_FindName_match, behind last item
1099         }
1100         if(!startsWithNocase(MapInfo_FindName_match, s))
1101         {
1102                 MapInfo_FindName_match = string_null;
1103                 MapInfo_FindName_firstResult = -1;
1104                 return -1; // wrong prefix
1105         }
1106         if(l == MapInfo_count - 1)
1107                 return l; // last one, nothing can follow => unique
1108         if(startsWithNocase(_MapInfo_GlobItem(MapInfo_FilterList_Lookup(l + 1)), s))
1109         {
1110                 MapInfo_FindName_match = string_null;
1111                 return -1; // ambigous MapInfo_FindName_match
1112         }
1113         return l;
1114 }
1115
1116 string MapInfo_FixName(string s)
1117 {
1118         MapInfo_FindName(s);
1119         return MapInfo_FindName_match;
1120 }
1121
1122 int MapInfo_CurrentFeatures()
1123 {
1124         int req = 0;
1125         if(!(cvar("g_lms") || cvar("g_instagib") || cvar("g_overkill") || cvar("g_nix") || cvar("g_weaponarena") || !cvar("g_pickup_items") || cvar("g_race") || cvar("g_cts") || cvar("g_nexball")))
1126                 req |= MAPINFO_FEATURE_WEAPONS;
1127         return req;
1128 }
1129
1130 Gametype MapInfo_CurrentGametype()
1131 {
1132         Gametype prev = Gametypes_from(cvar("gamecfg"));
1133         FOREACH(Gametypes, cvar(it.netname) && it != prev, return it);
1134         return prev ? prev : MAPINFO_TYPE_DEATHMATCH;
1135 }
1136
1137 float _MapInfo_CheckMap(string s, bool gametype_only) // returns 0 if the map can't be played with the current settings, 1 otherwise
1138 {
1139         if(!MapInfo_Get_ByName(s, 1, NULL))
1140                 return 0;
1141         if((MapInfo_Map_supportedGametypes & MapInfo_CurrentGametype().m_flags) == 0)
1142                 return 0;
1143         if (gametype_only)
1144                 return 1;
1145         if((MapInfo_Map_supportedFeatures & MapInfo_CurrentFeatures()) != MapInfo_CurrentFeatures())
1146                 return 0;
1147         return 1;
1148 }
1149
1150 float MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
1151 {
1152         float r;
1153         r = _MapInfo_CheckMap(s, false);
1154         MapInfo_ClearTemps();
1155         return r;
1156 }
1157
1158 void MapInfo_SwitchGameType(Gametype t)
1159 {
1160         FOREACH(Gametypes, true, cvar_set(it.netname, (it == t) ? "1" : "0"));
1161 }
1162
1163 void MapInfo_LoadMap(string s, float reinit)
1164 {
1165         MapInfo_Map_supportedGametypes = 0;
1166         // we shouldn't need this, as LoadMapSettings already fixes the gametype
1167         //if(!MapInfo_CheckMap(s))
1168         //{
1169         //      print("EMERGENCY: can't play the selected map in the given game mode. Falling back to DM.\n");
1170         //      MapInfo_SwitchGameType(MAPINFO_TYPE_DEATHMATCH.m_flags);
1171         //}
1172
1173         LOG_INFO("Switching to map ", s);
1174
1175         cvar_settemp_restore();
1176         if(reinit)
1177                 localcmd(strcat("\nmap ", s, "\n"));
1178         else
1179                 localcmd(strcat("\nchangelevel ", s, "\n"));
1180 }
1181
1182 string MapInfo_ListAllowedMaps(Gametype type, float pRequiredFlags, float pForbiddenFlags)
1183 {
1184         string out;
1185
1186         // to make absolutely sure:
1187         MapInfo_Enumerate();
1188         MapInfo_FilterGametype(type, MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1189
1190         out = "";
1191         for(float i = 0; i < MapInfo_count; ++i)
1192                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1193         return substring(out, 1, strlen(out) - 1);
1194 }
1195
1196 string MapInfo_ListAllAllowedMaps(float pRequiredFlags, float pForbiddenFlags)
1197 {
1198         string out;
1199
1200         // to make absolutely sure:
1201         MapInfo_Enumerate();
1202         _MapInfo_FilterGametype(MAPINFO_TYPE_ALL, 0, pRequiredFlags, pForbiddenFlags, 0);
1203
1204         out = "";
1205         for(float i = 0; i < MapInfo_count; ++i)
1206                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1207
1208         MapInfo_FilterGametype(MapInfo_CurrentGametype(), MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1209
1210         return substring(out, 1, strlen(out) - 1);
1211 }
1212
1213 void MapInfo_LoadMapSettings_SaveGameType(Gametype t)
1214 {
1215         MapInfo_SwitchGameType(t);
1216         cvar_set("gamecfg", ftos(t.m_id));
1217         MapInfo_LoadedGametype = t;
1218 }
1219
1220 void MapInfo_LoadMapSettings(string s) // to be called from worldspawn
1221 {
1222         Gametype t = MapInfo_CurrentGametype();
1223         MapInfo_LoadMapSettings_SaveGameType(t);
1224
1225         if(!_MapInfo_CheckMap(s, true)) // with underscore, it keeps temps
1226         {
1227                 if(cvar("g_mapinfo_allow_unsupported_modes_and_let_stuff_break"))
1228                 {
1229                         LOG_SEVERE("can't play the selected map in the given game mode. Working with only the override settings.");
1230                         _MapInfo_Map_ApplyGametypeEx("", t, t);
1231                         return; // do not call Get_ByName!
1232                 }
1233
1234                 if(MapInfo_Map_supportedGametypes == 0)
1235                 {
1236                         LOG_SEVERE("Mapinfo system is not functional at all. Assuming deathmatch.");
1237                         MapInfo_Map_supportedGametypes = MAPINFO_TYPE_DEATHMATCH.m_flags;
1238                         MapInfo_LoadMapSettings_SaveGameType(MAPINFO_TYPE_DEATHMATCH);
1239                         _MapInfo_Map_ApplyGametypeEx("", MAPINFO_TYPE_DEATHMATCH, MAPINFO_TYPE_DEATHMATCH);
1240                         return; // do not call Get_ByName!
1241                 }
1242
1243                 int _t = 1;
1244                 while(!(MapInfo_Map_supportedGametypes & 1))
1245                 {
1246                         _t <<= 1;
1247                         MapInfo_Map_supportedGametypes = floor(MapInfo_Map_supportedGametypes >> 1);
1248                 }
1249                 Gametype t_prev = t;
1250                 FOREACH(Gametypes, it.m_flags == _t, { t = it; break; });
1251
1252                 // t is now a supported mode!
1253                 LOG_WARNF("can't play the selected map in the given game mode (%s). Falling back to a supported mode (%s).", t_prev.mdl, t.mdl);
1254                 MapInfo_LoadMapSettings_SaveGameType(t);
1255         }
1256         if(!_MapInfo_CheckMap(s, false)) { // with underscore, it keeps temps
1257                 LOG_WARNF("the selected map lacks features required by current settings; playing anyway.");
1258         }
1259         MapInfo_Get_ByName(s, 1, t);
1260 }
1261
1262 void MapInfo_ClearTemps()
1263 {
1264         MapInfo_Map_bspname = string_null;
1265         MapInfo_Map_title = string_null;
1266         MapInfo_Map_titlestring = string_null;
1267         MapInfo_Map_description = string_null;
1268         MapInfo_Map_author = string_null;
1269         MapInfo_Map_clientstuff = string_null;
1270         MapInfo_Map_supportedGametypes = 0;
1271         MapInfo_Map_supportedFeatures = 0;
1272 }
1273
1274 void MapInfo_Shutdown()
1275 {
1276         MapInfo_ClearTemps();
1277         MapInfo_Filter_Free();
1278         MapInfo_Cache_Destroy();
1279         if(_MapInfo_globopen)
1280         {
1281                 search_end(_MapInfo_globhandle);
1282                 _MapInfo_globhandle = -1;
1283                 _MapInfo_globopen = false;
1284         }
1285 }
1286
1287 int MapInfo_ForbiddenFlags()
1288 {
1289         int f = MAPINFO_FLAG_FORBIDDEN;
1290
1291 #ifdef GAMEQC
1292         if (!cvar("g_maplist_allow_hidden"))
1293 #endif
1294                 f |= MAPINFO_FLAG_HIDDEN;
1295
1296         if (!cvar("g_maplist_allow_frustrating"))
1297                 f |= MAPINFO_FLAG_FRUSTRATING;
1298
1299         return f;
1300 }
1301
1302 int MapInfo_RequiredFlags()
1303 {
1304         int f = 0;
1305
1306         if(cvar("g_maplist_allow_frustrating") > 1)
1307                 f |= MAPINFO_FLAG_FRUSTRATING;
1308
1309         return f;
1310 }