]> de.git.xonotic.org Git - xonotic/xonotic-data.pk3dir.git/blob - qcsrc/common/mapinfo.qc
Merge branch 'master' into terencehill/bot_waypoints
[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         fn = strreplace("-", "", fn);
729
730         // normalize visible title
731         t = strreplace(":", "", t);
732         t = strreplace(" ", "", t);
733         t = strreplace("_", "", t);
734         t = strreplace("-", "", t);
735         t = strreplace("'", "", t);
736         t = strdecolorize(t);
737
738         // we allow the visible title to have punctuation the file name does
739         // not, but not vice versa
740         if(!strcasecmp(fn, t))
741                 return true;
742
743         return false;
744 }
745
746 // load info about a map by name into the MapInfo_Map_* globals
747 float MapInfo_Get_ByName_NoFallbacks(string pFilename, int pAllowGenerate, Gametype pGametypeToSet)
748 {
749         string fn;
750         string s, t;
751         float fh;
752         int f, i;
753         float r, n, p;
754         string acl;
755
756         acl = MAPINFO_SETTEMP_ACL_USER;
757
758         if(strstrofs(pFilename, "/", 0) >= 0)
759         {
760                 LOG_WARN("Invalid character in map name, ignored");
761                 return 0;
762         }
763
764         if(pGametypeToSet == NULL)
765                 if(MapInfo_Cache_Retrieve(pFilename))
766                         return 1;
767
768         r = 1;
769
770         MapInfo_Map_bspname = pFilename;
771
772         // default all generic fields so they have "good" values in case something fails
773         fn = strcat("maps/", pFilename, ".mapinfo");
774         fh = fopen(fn, FILE_READ);
775         if(fh < 0)
776         {
777                 fn = strcat("maps/autogenerated/", pFilename, ".mapinfo");
778                 fh = fopen(fn, FILE_READ);
779                 if(fh < 0)
780                 {
781                         if(!pAllowGenerate)
782                                 return 0;
783                         _MapInfo_Map_Reset();
784                         r = _MapInfo_Generate(pFilename);
785                         if(!r)
786                                 return 0;
787                         fh = fopen(fn, FILE_WRITE);
788                         fputs(fh, strcat("title ", MapInfo_Map_title, "\n"));
789                         fputs(fh, strcat("description ", MapInfo_Map_description, "\n"));
790                         fputs(fh, strcat("author ", MapInfo_Map_author, "\n"));
791                         if(_MapInfo_Map_worldspawn_music != "")
792                         {
793                                 if(
794                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".wav"
795                                         ||
796                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".ogg"
797                                 )
798                                         fputs(fh, strcat("cdtrack ", substring(_MapInfo_Map_worldspawn_music, 0, strlen(_MapInfo_Map_worldspawn_music) - 4), "\n"));
799                                 else
800                                         fputs(fh, strcat("cdtrack ", _MapInfo_Map_worldspawn_music, "\n"));
801                         }
802                         else
803                         {
804                                 n = tokenize_console(cvar_string("g_cdtracks_remaplist"));
805                                 s = strcat(" ", cvar_string("g_cdtracks_dontusebydefault"), " ");
806                                 for (;;)
807                                 {
808                                         i = floor(random() * n);
809                                         if(strstrofs(s, strcat(" ", argv(i), " "), 0) < 0)
810                                                 break;
811                                 }
812                                 fputs(fh, strcat("cdtrack ", ftos(i + 1), "\n"));
813                         }
814                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_WEAPONS)
815                                 fputs(fh, "has weapons\n");
816                         else
817                                 fputs(fh, "// uncomment this if you added weapon pickups: has weapons\n");
818                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_TURRETS)
819                                 fputs(fh, "has turrets\n");
820                         else
821                                 fputs(fh, "// uncomment this if you added turrets: has turrets\n");
822                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_VEHICLES)
823                                 fputs(fh, "has vehicles\n");
824                         else
825                                 fputs(fh, "// uncomment this if you added vehicles: has vehicles\n");
826                         if(MapInfo_Map_flags & MAPINFO_FLAG_FRUSTRATING)
827                                 fputs(fh, "frustrating\n");
828
829                         FOREACH(Gametypes, MapInfo_Map_supportedGametypes & it.m_flags, {
830                                 fputs(fh, sprintf("gametype %s // defaults: %s\n", MapInfo_Type_ToString(it), _MapInfo_GetDefaultEx(it)));
831                         });
832
833                         if(fexists(strcat("scripts/", pFilename, ".arena")))
834                                 fputs(fh, "settemp_for_type all sv_q3acompat_machineshotgunswap 1\n");
835
836                         if(fexists(strcat("scripts/", pFilename, ".defi")))
837                                 fputs(fh, "settemp_for_type all sv_vq3compat 1\n");
838
839                         fputs(fh, "// optional: fog density red green blue alpha mindist maxdist\n");
840                         fputs(fh, "// optional: settemp_for_type (all|gametypename) cvarname value\n");
841                         fputs(fh, "// optional: clientsettemp_for_type (all|gametypename) cvarname value\n");
842                         fputs(fh, "// optional: size mins_x mins_y mins_z maxs_x maxs_y maxs_z\n");
843                         fputs(fh, "// optional: hidden\n");
844
845                         fclose(fh);
846                         r = 2;
847                         // return r;
848                         fh = fopen(fn, FILE_READ);
849                         if(fh < 0)
850                                 error("... but I just wrote it!");
851                 }
852
853                 if(!autocvar_g_mapinfo_ignore_warnings)
854                         LOG_WARN("autogenerated mapinfo file ", fn, " has been loaded; please edit that file and move it to maps/", pFilename, ".mapinfo");
855         }
856
857         _MapInfo_Map_Reset();
858         for (;;)
859         {
860                 if (!((s = fgets(fh))))
861                         break;
862
863                 // catch different sorts of comments
864                 if(s == "")                    // empty lines
865                         continue;
866                 if(substring(s, 0, 1) == "#")  // UNIX style
867                         continue;
868                 if(substring(s, 0, 2) == "//") // C++ style
869                         continue;
870                 if(substring(s, 0, 1) == "_")  // q3map style
871                         continue;
872
873                 p = strstrofs(s, "//", 0);
874                 if(p >= 0)
875                         s = substring(s, 0, p);
876
877                 t = car(s); s = cdr(s);
878                 if(t == "title")
879                         MapInfo_Map_title = s;
880                 else if(t == "description")
881                         MapInfo_Map_description = s;
882                 else if(t == "author")
883                         MapInfo_Map_author = s;
884                 else if(t == "has")
885                 {
886                         t = car(s); // s = cdr(s);
887                         if     (t == "weapons") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
888                         else if(t == "turrets") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
889                         else if(t == "vehicles") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
890                         else if(t == "monsters") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_MONSTERS;
891                         else if(t == "new_toys") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
892                         else
893                                 LOG_WARN("Map ", pFilename, " supports unknown feature ", t, ", ignored");
894                 }
895                 else if(t == "hidden")
896                 {
897                         MapInfo_Map_flags |= MAPINFO_FLAG_HIDDEN;
898                 }
899                 else if(t == "forbidden")
900                 {
901                         MapInfo_Map_flags |= MAPINFO_FLAG_FORBIDDEN;
902                 }
903                 else if(t == "frustrating")
904                 {
905                         MapInfo_Map_flags |= MAPINFO_FLAG_FRUSTRATING;
906                 }
907                 else if(t == "noautomaplist")
908                 {
909                         MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
910                 }
911                 else if(t == "gameversion_min")
912                 {
913                         if (cvar("gameversion") < stof(s))
914                                 MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
915                 }
916                 else if(t == "type")
917                 {
918                         t = car(s); s = cdr(s);
919                         Gametype f = MapInfo_Type_FromString(t);
920                         //if(!autocvar_g_mapinfo_ignore_warnings)
921                                 //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'.");
922                         if(f)
923                                 _MapInfo_Map_ApplyGametype (s, pGametypeToSet, f, true);
924                         else if(!autocvar_g_mapinfo_ignore_warnings)
925                                 LOG_DEBUG("Map ", pFilename, " supports unknown game type ", t, ", ignored");
926                 }
927                 else if(t == "gametype")
928                 {
929                         t = car(s); s = cdr(s);
930                         Gametype f = MapInfo_Type_FromString(t);
931                         if(f)
932                                 _MapInfo_Map_ApplyGametypeEx (s, pGametypeToSet, f);
933                         else if(!autocvar_g_mapinfo_ignore_warnings)
934                                 LOG_DEBUG("Map ", pFilename, " supports unknown game type ", t, ", ignored");
935                 }
936                 else if(t == "size")
937                 {
938                         float a, b, c, d, e;
939                         t = car(s); s = cdr(s); a = stof(t);
940                         t = car(s); s = cdr(s); b = stof(t);
941                         t = car(s); s = cdr(s); c = stof(t);
942                         t = car(s); s = cdr(s); d = stof(t);
943                         t = car(s); s = cdr(s); e = stof(t);
944                         if(s == "")
945                                 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");
946                         else
947                         {
948                                 t = car(s); s = cdr(s); f = stof(t);
949                                 if(s != "")
950                                         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");
951                                 else
952                                 {
953                                         if(a >= d || b >= e || c >= f)
954                                                 LOG_WARN("Map ", pFilename, " contains an incorrect size line, mins have to be < maxs");
955                                         else
956                                         {
957                                                 MapInfo_Map_mins.x = a;
958                                                 MapInfo_Map_mins.y = b;
959                                                 MapInfo_Map_mins.z = c;
960                                                 MapInfo_Map_maxs.x = d;
961                                                 MapInfo_Map_maxs.y = e;
962                                                 MapInfo_Map_maxs.z = f;
963                                         }
964                                 }
965                         }
966                 }
967                 else if(t == "settemp_for_type")
968                 {
969                         t = car(s); s = cdr(s);
970                         bool all = t == "all";
971                         Gametype f = NULL;
972                         if(all || (f = MapInfo_Type_FromString(t)))
973                         {
974                                 if((all ? MAPINFO_TYPE_ALL : f.m_flags) & pGametypeToSet.m_flags)
975                                 {
976                                         _MapInfo_Parse_Settemp(pFilename, acl, 0, s, 1);
977                                 }
978                         }
979                         else
980                         {
981                                 LOG_DEBUG("Map ", pFilename, " has a setting for unknown game type ", t, ", ignored");
982                         }
983                 }
984                 else if(t == "clientsettemp_for_type")
985                 {
986                         t = car(s); s = cdr(s);
987                         bool all = t == "all";
988                         Gametype f = NULL;
989                         if(all || (f = MapInfo_Type_FromString(t)))
990                         {
991                                 if((all ? MAPINFO_TYPE_ALL : f.m_flags) & pGametypeToSet.m_flags)
992                                 {
993                                         _MapInfo_Parse_Settemp(pFilename, acl, 1, s, 1);
994                                 }
995                         }
996                         else
997                         {
998                                 LOG_DEBUG("Map ", pFilename, " has a client setting for unknown game type ", t, ", ignored");
999                         }
1000                 }
1001                 else if(t == "fog")
1002                 {
1003                         if (!cvar_value_issafe(s))
1004                                 LOG_WARN("Map ", pFilename, " contains a potentially harmful fog setting, ignored");
1005                         else
1006                                 MapInfo_Map_fog = s;
1007                 }
1008                 else if(t == "cdtrack")
1009                 {
1010                         t = car(s); s = cdr(s);
1011                         // We do this only if pGametypeToSet even though this
1012                         // content is theoretically game type independent,
1013                         // because MapInfo_Map_clientstuff contains otherwise
1014                         // game type dependent stuff. That way this value stays
1015                         // empty when not setting a game type to not set any
1016                         // false expectations.
1017                         if(pGametypeToSet)
1018                         {
1019                                 if (!cvar_value_issafe(t))
1020                                         LOG_WARN("Map ", pFilename, " contains a potentially harmful cdtrack, ignored");
1021                                 else
1022                                         MapInfo_Map_clientstuff = strcat(
1023                                                 MapInfo_Map_clientstuff, "cd loop \"", t, "\"\n"
1024                                         );
1025                         }
1026                 }
1027                 else if(!autocvar_g_mapinfo_ignore_warnings)
1028                         LOG_WARN("Map ", pFilename, " provides unknown info item ", t, ", ignored");
1029         }
1030         fclose(fh);
1031
1032         if(MapInfo_Map_title == "<TITLE>")
1033                 MapInfo_Map_titlestring = MapInfo_Map_bspname;
1034         else if(MapInfo_isRedundant(MapInfo_Map_bspname, MapInfo_Map_title))
1035                 MapInfo_Map_titlestring = MapInfo_Map_title;
1036         else
1037                 MapInfo_Map_titlestring = sprintf("%s: %s", MapInfo_Map_bspname, MapInfo_Map_title);
1038
1039         MapInfo_Cache_Store();
1040         if(MapInfo_Map_supportedGametypes != 0)
1041                 return r;
1042         LOG_WARN("Map ", pFilename, " supports no game types, ignored");
1043         return 0;
1044 }
1045 int MapInfo_Get_ByName(string pFilename, float pAllowGenerate, Gametype pGametypeToSet)
1046 {
1047         int r = MapInfo_Get_ByName_NoFallbacks(pFilename, pAllowGenerate, pGametypeToSet);
1048
1049         FOREACH(Gametypes, it.m_isForcedSupported(it), _MapInfo_Map_ApplyGametypeEx("", pGametypeToSet, it));
1050
1051         if(pGametypeToSet)
1052         {
1053                 if(!(MapInfo_Map_supportedGametypes & pGametypeToSet.m_flags))
1054                 {
1055                         error("Can't select the requested game type. This should never happen as the caller should prevent it!\n");
1056                         //_MapInfo_Map_ApplyGametypeEx("", pGametypeToSet, MAPINFO_TYPE_DEATHMATCH);
1057                         //return;
1058                 }
1059         }
1060
1061         return r;
1062 }
1063
1064 float MapInfo_FindName(string s)
1065 {
1066         // if there is exactly one map of prefix s, return it
1067         // if not, return the null string
1068         // note that DP sorts glob results... so I can use a binary search
1069         float l, r, m, cmp;
1070         l = 0;
1071         r = MapInfo_count;
1072         // invariants: r is behind s, l-1 is equal or before
1073         while(l != r)
1074         {
1075                 m = floor((l + r) / 2);
1076                 MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(m));
1077                 cmp = strcasecmp(MapInfo_FindName_match, s);
1078                 if(cmp == 0)
1079                         return m; // found and good
1080                 if(cmp < 0)
1081                         l = m + 1; // l-1 is before s
1082                 else
1083                         r = m; // behind s
1084         }
1085         MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(l));
1086         MapInfo_FindName_firstResult = l;
1087         // r == l, so: l is behind s, l-1 is before
1088         // SO: if there is any, l is the one with the right prefix
1089         //     and l+1 may be one too
1090         if(l == MapInfo_count)
1091         {
1092                 MapInfo_FindName_match = string_null;
1093                 MapInfo_FindName_firstResult = -1;
1094                 return -1; // no MapInfo_FindName_match, behind last item
1095         }
1096         if(!startsWithNocase(MapInfo_FindName_match, s))
1097         {
1098                 MapInfo_FindName_match = string_null;
1099                 MapInfo_FindName_firstResult = -1;
1100                 return -1; // wrong prefix
1101         }
1102         if(l == MapInfo_count - 1)
1103                 return l; // last one, nothing can follow => unique
1104         if(startsWithNocase(_MapInfo_GlobItem(MapInfo_FilterList_Lookup(l + 1)), s))
1105         {
1106                 MapInfo_FindName_match = string_null;
1107                 return -1; // ambigous MapInfo_FindName_match
1108         }
1109         return l;
1110 }
1111
1112 string MapInfo_FixName(string s)
1113 {
1114         MapInfo_FindName(s);
1115         return MapInfo_FindName_match;
1116 }
1117
1118 int MapInfo_CurrentFeatures()
1119 {
1120         int req = 0;
1121         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")))
1122                 req |= MAPINFO_FEATURE_WEAPONS;
1123         return req;
1124 }
1125
1126 Gametype MapInfo_CurrentGametype()
1127 {
1128         Gametype prev = Gametypes_from(cvar("gamecfg"));
1129         FOREACH(Gametypes, cvar(it.netname) && it != prev, return it);
1130         return prev ? prev : MAPINFO_TYPE_DEATHMATCH;
1131 }
1132
1133 float _MapInfo_CheckMap(string s, bool gametype_only) // returns 0 if the map can't be played with the current settings, 1 otherwise
1134 {
1135         if(!MapInfo_Get_ByName(s, 1, NULL))
1136                 return 0;
1137         if((MapInfo_Map_supportedGametypes & MapInfo_CurrentGametype().m_flags) == 0)
1138                 return 0;
1139         if (gametype_only)
1140                 return 1;
1141         if((MapInfo_Map_supportedFeatures & MapInfo_CurrentFeatures()) != MapInfo_CurrentFeatures())
1142                 return 0;
1143         return 1;
1144 }
1145
1146 float MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
1147 {
1148         float r;
1149         r = _MapInfo_CheckMap(s, false);
1150         MapInfo_ClearTemps();
1151         return r;
1152 }
1153
1154 void MapInfo_SwitchGameType(Gametype t)
1155 {
1156         FOREACH(Gametypes, true, cvar_set(it.netname, (it == t) ? "1" : "0"));
1157 }
1158
1159 void MapInfo_LoadMap(string s, float reinit)
1160 {
1161         MapInfo_Map_supportedGametypes = 0;
1162         // we shouldn't need this, as LoadMapSettings already fixes the gametype
1163         //if(!MapInfo_CheckMap(s))
1164         //{
1165         //      print("EMERGENCY: can't play the selected map in the given game mode. Falling back to DM.\n");
1166         //      MapInfo_SwitchGameType(MAPINFO_TYPE_DEATHMATCH.m_flags);
1167         //}
1168
1169         LOG_INFO("Switching to map ", s);
1170
1171         cvar_settemp_restore();
1172         if(reinit)
1173                 localcmd(strcat("\nmap ", s, "\n"));
1174         else
1175                 localcmd(strcat("\nchangelevel ", s, "\n"));
1176 }
1177
1178 string MapInfo_ListAllowedMaps(Gametype type, float pRequiredFlags, float pForbiddenFlags)
1179 {
1180         string out;
1181
1182         // to make absolutely sure:
1183         MapInfo_Enumerate();
1184         MapInfo_FilterGametype(type, MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1185
1186         out = "";
1187         for(float i = 0; i < MapInfo_count; ++i)
1188                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1189         return substring(out, 1, strlen(out) - 1);
1190 }
1191
1192 string MapInfo_ListAllAllowedMaps(float pRequiredFlags, float pForbiddenFlags)
1193 {
1194         string out;
1195
1196         // to make absolutely sure:
1197         MapInfo_Enumerate();
1198         _MapInfo_FilterGametype(MAPINFO_TYPE_ALL, 0, pRequiredFlags, pForbiddenFlags, 0);
1199
1200         out = "";
1201         for(float i = 0; i < MapInfo_count; ++i)
1202                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1203
1204         MapInfo_FilterGametype(MapInfo_CurrentGametype(), MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1205
1206         return substring(out, 1, strlen(out) - 1);
1207 }
1208
1209 void MapInfo_LoadMapSettings_SaveGameType(Gametype t)
1210 {
1211         MapInfo_SwitchGameType(t);
1212         cvar_set("gamecfg", ftos(t.m_id));
1213         MapInfo_LoadedGametype = t;
1214 }
1215
1216 void MapInfo_LoadMapSettings(string s) // to be called from worldspawn
1217 {
1218         Gametype t = MapInfo_CurrentGametype();
1219         MapInfo_LoadMapSettings_SaveGameType(t);
1220
1221         if(!_MapInfo_CheckMap(s, true)) // with underscore, it keeps temps
1222         {
1223                 if(cvar("g_mapinfo_allow_unsupported_modes_and_let_stuff_break"))
1224                 {
1225                         LOG_SEVERE("can't play the selected map in the given game mode. Working with only the override settings.");
1226                         _MapInfo_Map_ApplyGametypeEx("", t, t);
1227                         return; // do not call Get_ByName!
1228                 }
1229
1230                 if(MapInfo_Map_supportedGametypes == 0)
1231                 {
1232                         LOG_SEVERE("Mapinfo system is not functional at all. Assuming deathmatch.");
1233                         MapInfo_Map_supportedGametypes = MAPINFO_TYPE_DEATHMATCH.m_flags;
1234                         MapInfo_LoadMapSettings_SaveGameType(MAPINFO_TYPE_DEATHMATCH);
1235                         _MapInfo_Map_ApplyGametypeEx("", MAPINFO_TYPE_DEATHMATCH, MAPINFO_TYPE_DEATHMATCH);
1236                         return; // do not call Get_ByName!
1237                 }
1238
1239                 int _t = 1;
1240                 while(!(MapInfo_Map_supportedGametypes & 1))
1241                 {
1242                         _t <<= 1;
1243                         MapInfo_Map_supportedGametypes = floor(MapInfo_Map_supportedGametypes >> 1);
1244                 }
1245                 Gametype t_prev = t;
1246                 FOREACH(Gametypes, it.m_flags == _t, { t = it; break; });
1247
1248                 // t is now a supported mode!
1249                 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);
1250                 MapInfo_LoadMapSettings_SaveGameType(t);
1251         }
1252         if(!_MapInfo_CheckMap(s, false)) { // with underscore, it keeps temps
1253                 LOG_WARNF("the selected map lacks features required by current settings; playing anyway.");
1254         }
1255         MapInfo_Get_ByName(s, 1, t);
1256 }
1257
1258 void MapInfo_ClearTemps()
1259 {
1260         MapInfo_Map_bspname = string_null;
1261         MapInfo_Map_title = string_null;
1262         MapInfo_Map_titlestring = string_null;
1263         MapInfo_Map_description = string_null;
1264         MapInfo_Map_author = string_null;
1265         MapInfo_Map_clientstuff = string_null;
1266         MapInfo_Map_supportedGametypes = 0;
1267         MapInfo_Map_supportedFeatures = 0;
1268 }
1269
1270 void MapInfo_Shutdown()
1271 {
1272         MapInfo_ClearTemps();
1273         MapInfo_Filter_Free();
1274         MapInfo_Cache_Destroy();
1275         if(_MapInfo_globopen)
1276         {
1277                 search_end(_MapInfo_globhandle);
1278                 _MapInfo_globhandle = -1;
1279                 _MapInfo_globopen = false;
1280         }
1281 }
1282
1283 int MapInfo_ForbiddenFlags()
1284 {
1285         int f = MAPINFO_FLAG_FORBIDDEN;
1286
1287 #ifdef GAMEQC
1288         if (!cvar("g_maplist_allow_hidden"))
1289 #endif
1290                 f |= MAPINFO_FLAG_HIDDEN;
1291
1292         if (!cvar("g_maplist_allow_frustrating"))
1293                 f |= MAPINFO_FLAG_FRUSTRATING;
1294
1295         return f;
1296 }
1297
1298 int MapInfo_RequiredFlags()
1299 {
1300         int f = 0;
1301
1302         if(cvar("g_maplist_allow_frustrating") > 1)
1303                 f |= MAPINFO_FLAG_FRUSTRATING;
1304
1305         return f;
1306 }