Transifex autosync
[xonotic/xonotic-data.pk3dir.git] / qcsrc / common / mapinfo.qc
1 #include "mapinfo.qh"
2 #if defined(CSQC)
3         #include <common/util.qh>
4         #include <common/weapons/_all.qh>
5 #elif defined(MENUQC)
6 #elif defined(SVQC)
7         #include <common/util.qh>
8         #include <common/monsters/_mod.qh>
9 #endif
10
11 #ifdef MENUQC
12 #define WARN_COND false
13 #else
14 bool autocvar_g_mapinfo_ignore_warnings;
15 #define WARN_COND (!autocvar_g_mapinfo_ignore_warnings && MapInfo_Map_bspname == mi_shortname)
16 #endif
17
18 // generic string stuff
19
20 int _MapInfo_Cache_Active;
21 int _MapInfo_Cache_DB_NameToIndex;
22 int _MapInfo_Cache_Buf_IndexToMapData;
23
24 void MapInfo_Cache_Destroy()
25 {
26         if(!_MapInfo_Cache_Active)
27                 return;
28
29         db_close(_MapInfo_Cache_DB_NameToIndex);
30         buf_del(_MapInfo_Cache_Buf_IndexToMapData);
31         _MapInfo_Cache_Active = 0;
32 }
33
34 void MapInfo_Cache_Create()
35 {
36         MapInfo_Cache_Destroy();
37         _MapInfo_Cache_DB_NameToIndex = db_create();
38         _MapInfo_Cache_Buf_IndexToMapData = buf_create();
39         _MapInfo_Cache_Active = 1;
40 }
41
42 void MapInfo_Cache_Invalidate()
43 {
44         if(!_MapInfo_Cache_Active)
45                 return;
46
47         MapInfo_Cache_Create();
48 }
49
50 void MapInfo_Cache_Store()
51 {
52         float i;
53         string s;
54         if(!_MapInfo_Cache_Active)
55                 return;
56
57         s = db_get(_MapInfo_Cache_DB_NameToIndex, MapInfo_Map_bspname);
58         if(s == "")
59         {
60                 i = buf_getsize(_MapInfo_Cache_Buf_IndexToMapData);
61                 db_put(_MapInfo_Cache_DB_NameToIndex, MapInfo_Map_bspname, ftos(i));
62         }
63         else
64                 i = stof(s);
65
66         // now store all the stuff
67         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData,   i, MapInfo_Map_bspname);
68         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_title);
69         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_titlestring);
70         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_description);
71         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_author);
72         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_supportedGametypes));
73         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_supportedFeatures));
74         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_flags));
75 }
76
77 float MapInfo_Cache_Retrieve(string map)
78 {
79         float i;
80         string s;
81         if(!_MapInfo_Cache_Active)
82                 return 0;
83
84         s = db_get(_MapInfo_Cache_DB_NameToIndex, map);
85         if(s == "")
86                 return 0;
87         i = stof(s);
88
89         // now retrieve all the stuff
90         MapInfo_Map_bspname = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, i);
91         MapInfo_Map_title = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
92         MapInfo_Map_titlestring = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
93         MapInfo_Map_description = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
94         MapInfo_Map_author = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
95         MapInfo_Map_supportedGametypes = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
96         MapInfo_Map_supportedFeatures = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
97         MapInfo_Map_flags = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
98
99         return 1;
100 }
101
102 // GLOB HANDLING (for all BSP files)
103 float _MapInfo_globopen;
104 float _MapInfo_globcount;
105 float _MapInfo_globhandle;
106 string _MapInfo_GlobItem(float i)
107 {
108         string s;
109         if(!_MapInfo_globopen)
110                 return string_null;
111         s = search_getfilename(_MapInfo_globhandle, i);
112         return substring(s, 5, strlen(s) - 9); // without maps/ and .bsp
113 }
114
115 void MapInfo_Enumerate()
116 {
117         if(_MapInfo_globopen)
118         {
119                 search_end(_MapInfo_globhandle);
120                 _MapInfo_globopen = 0;
121         }
122         MapInfo_Cache_Invalidate();
123         _MapInfo_globhandle = search_begin("maps/*.bsp", true, true);
124         if(_MapInfo_globhandle >= 0)
125         {
126                 _MapInfo_globcount = search_getsize(_MapInfo_globhandle);
127                 _MapInfo_globopen = 1;
128         }
129         else
130                 _MapInfo_globcount = 0;
131 }
132
133 // filter the info by game type mask (updates MapInfo_count)
134 //
135 float _MapInfo_filtered;
136 float _MapInfo_filtered_allocated;
137 float MapInfo_FilterList_Lookup(float i)
138 {
139         return stof(bufstr_get(_MapInfo_filtered, i));
140 }
141
142 void _MapInfo_FilterList_swap(float i, float j, entity pass)
143 {
144         string h;
145         h = bufstr_get(_MapInfo_filtered, i);
146         bufstr_set(_MapInfo_filtered, i, bufstr_get(_MapInfo_filtered, j));
147         bufstr_set(_MapInfo_filtered, j, h);
148 }
149
150 float _MapInfo_FilterList_cmp(float i, float j, entity pass)
151 {
152         string a, b;
153         a = _MapInfo_GlobItem(stof(bufstr_get(_MapInfo_filtered, i)));
154         b = _MapInfo_GlobItem(stof(bufstr_get(_MapInfo_filtered, j)));
155         return strcasecmp(a, b);
156 }
157
158 float MapInfo_FilterGametype(Gametype pGametype, int pFeatures, int pFlagsRequired, int pFlagsForbidden, bool pAbortOnGenerate)
159 {
160         return _MapInfo_FilterGametype(pGametype.m_flags, pFeatures, pFlagsRequired, pFlagsForbidden, pAbortOnGenerate);
161 }
162 float _MapInfo_FilterGametype(int pGametype, int pFeatures, int pFlagsRequired, int pFlagsForbidden, bool pAbortOnGenerate)
163 {
164         float i, j;
165         if (!_MapInfo_filtered_allocated)
166         {
167                 _MapInfo_filtered_allocated = 1;
168                 _MapInfo_filtered = buf_create();
169         }
170         MapInfo_count = 0;
171         for(i = 0, j = -1; i < _MapInfo_globcount; ++i)
172         {
173                 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.
174                         if(pAbortOnGenerate)
175                         {
176                                 LOG_TRACE("Autogenerated a .mapinfo, doing the rest later.");
177                                 MapInfo_progress = i / _MapInfo_globcount;
178                                 return 0;
179                         }
180                 if((MapInfo_Map_supportedGametypes & pGametype) != 0)
181                 if((MapInfo_Map_supportedFeatures & pFeatures) == pFeatures)
182                 if((MapInfo_Map_flags & pFlagsForbidden) == 0)
183                 if((MapInfo_Map_flags & pFlagsRequired) == pFlagsRequired)
184                         bufstr_set(_MapInfo_filtered, ++j, ftos(i));
185         }
186         MapInfo_count = j + 1;
187         MapInfo_ClearTemps();
188
189         // sometimes the glob isn't sorted nicely, so fix it here...
190         heapsort(MapInfo_count, _MapInfo_FilterList_swap, _MapInfo_FilterList_cmp, NULL);
191
192         return 1;
193 }
194 void MapInfo_FilterString(string sf)
195 {
196         // this function further filters _MapInfo_filtered, which is prepared by MapInfo_FilterGametype by string
197         float i, j;
198         string title;
199
200         for(i = 0, j = -1; i < MapInfo_count; ++i)
201         {
202                 if (MapInfo_Get_ByID(i))
203                 {
204                         // prepare for keyword filter
205                         if (MapInfo_Map_title && strstrofs(MapInfo_Map_title, "<TITLE>", 0) == -1)
206                                 title = MapInfo_Map_title;
207                         else
208                                 title = MapInfo_Map_bspname;
209                         // keyword filter
210                         if((strstrofs(strtolower(title), strtolower(sf), 0)) >= 0)
211                                 bufstr_set(_MapInfo_filtered, ++j, bufstr_get(_MapInfo_filtered, i));
212                 }
213         }
214         MapInfo_count = j + 1;
215         MapInfo_ClearTemps();
216
217         // sometimes the glob isn't sorted nicely, so fix it here...
218         heapsort(MapInfo_count, _MapInfo_FilterList_swap, _MapInfo_FilterList_cmp, NULL);
219 }
220
221 void MapInfo_Filter_Free()
222 {
223         if(_MapInfo_filtered_allocated)
224         {
225                 buf_del(_MapInfo_filtered);
226                 _MapInfo_filtered_allocated = 0;
227         }
228 }
229
230 // load info about the i-th map into the MapInfo_Map_* globals
231 string MapInfo_BSPName_ByID(float i)
232 {
233         return _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i));
234 }
235
236 string unquote(string s)
237 {
238         float l = strlen(s);
239         for(float i = 0; i < l; ++i)
240         {
241                 string ch = substring(s, i, 1);
242                 if((ch != " ") && (ch != "\""))
243                 {
244                         for(float j = l - i - 1; j > 0; --j)
245                         {
246                                 ch = substring(s, i+j, 1);
247                                 if(ch != " ") if(ch != "\"")
248                                         return substring(s, i, j+1);
249                         }
250                         return substring(s, i, 1);
251                 }
252         }
253         return "";
254 }
255
256 bool MapInfo_Get_ByID(int i)
257 {
258         return MapInfo_Get_ByName(MapInfo_BSPName_ByID(i), 0, NULL) ? true : false;
259 }
260
261 string _MapInfo_Map_worldspawn_music;
262
263 float _MapInfo_Generate(string pFilename) // 0: failure, 1: ok ent, 2: ok bsp
264 {
265         string fn;
266         float fh;
267         string s, k, v;
268         vector o;
269         float i;
270         float inWorldspawn;
271         float r;
272         float diameter, spawnpoints;
273         float spawnplaces;
274
275         vector mapMins, mapMaxs;
276
277         r = 1;
278         fn = strcat("maps/", pFilename, ".ent");
279         fh = fopen(fn, FILE_READ);
280         if(fh < 0)
281         {
282                 r = 2;
283                 fn = strcat("maps/", pFilename, ".bsp");
284                 fh = fopen(fn, FILE_READ);
285         }
286         if(fh < 0)
287                 return 0;
288         LOG_INFO("Analyzing ", fn, " to generate initial mapinfo");
289
290         inWorldspawn = 2;
291         MapInfo_Map_flags = 0;
292         MapInfo_Map_supportedGametypes = 0;
293         spawnpoints = 0;
294         spawnplaces = 0;
295         _MapInfo_Map_worldspawn_music = "";
296         mapMins = '0 0 0';
297         mapMaxs = '0 0 0';
298
299         for (;;)
300         {
301                 if (!((s = fgets(fh))))
302                         break;
303                 if(inWorldspawn == 1)
304                         if(startsWith(s, "}"))
305                                 inWorldspawn = 0;
306                 k = unquote(car(s));
307                 v = unquote(cdr(s));
308                 if(inWorldspawn)
309                 {
310                         if(k == "classname" && v == "worldspawn")
311                                 inWorldspawn = 1;
312                         else if(k == "author")
313                                 MapInfo_Map_author = v;
314                         else if(k == "_description")
315                                 MapInfo_Map_description = v;
316                         else if(k == "music")
317                                 _MapInfo_Map_worldspawn_music = v;
318                         else if(k == "noise")
319                                 _MapInfo_Map_worldspawn_music = v;
320                         else if(k == "message")
321                         {
322                                 i = strstrofs(v, " by ", 0);
323                                 if(MapInfo_Map_author == "<AUTHOR>" && i >= 0)
324                                 {
325                                         MapInfo_Map_title = substring(v, 0, i);
326                                         MapInfo_Map_author = substring(v, i + 4, strlen(v) - (i + 4));
327                                 }
328                                 else
329                                         MapInfo_Map_title = v;
330                         }
331                 }
332                 else
333                 {
334                         if(k == "origin")
335                         {
336                                 o = stov(strcat("'", v, "'"));
337                                 mapMins.x = min(mapMins.x, o.x);
338                                 mapMins.y = min(mapMins.y, o.y);
339                                 mapMins.z = min(mapMins.z, o.z);
340                                 mapMaxs.x = max(mapMaxs.x, o.x);
341                                 mapMaxs.y = max(mapMaxs.y, o.y);
342                                 mapMaxs.z = max(mapMaxs.z, o.z);
343                         }
344                         else if(k == "race_place")
345                         {
346                                 if(stof(v) > 0)
347                                         spawnplaces = 1;
348                         }
349                         else if(k == "classname")
350                         {
351                                 if(v == "info_player_team1")
352                                         ++spawnpoints;
353                                 else if(v == "info_player_team2")
354                                         ++spawnpoints;
355                                 else if(v == "info_player_start")
356                                         ++spawnpoints;
357                                 else if(v == "info_player_deathmatch")
358                                         ++spawnpoints;
359                                 else if(v == "weapon_nex")
360                                         { }
361                                 else if(v == "weapon_railgun")
362                                         { }
363                                 else if(startsWith(v, "weapon_"))
364                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
365                                 else if(startsWith(v, "turret_"))
366                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
367                                 else if(startsWith(v, "vehicle_"))
368                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
369                                 else if(startsWith(v, "monster_"))
370                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_MONSTERS;
371                                 else if(v == "target_music" || v == "trigger_music")
372                                         _MapInfo_Map_worldspawn_music = string_null; // don't use regular BGM
373                                 else
374                                         FOREACH(Gametypes, true, it.m_generate_mapinfo(it, v));
375                         }
376                 }
377         }
378         if(inWorldspawn)
379         {
380                 LOG_WARN(fn, " ended still in worldspawn, BUG");
381                 return 0;
382         }
383         diameter = vlen(mapMaxs - mapMins);
384
385         int twoBaseModes = 0;
386         FOREACH(Gametypes, it.m_isTwoBaseMode(), twoBaseModes |= it.m_flags);
387         if(twoBaseModes && (twoBaseModes &= MapInfo_Map_supportedGametypes))
388         {
389                 // we have a symmetrical map, don't add the modes without bases
390         }
391         else
392         {
393                 FOREACH(Gametypes, it.m_isAlwaysSupported(it, spawnpoints, diameter), MapInfo_Map_supportedGametypes |= it.m_flags);
394         }
395
396         if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_RACE.m_flags)
397         if(!spawnplaces)
398         {
399                 MapInfo_Map_supportedGametypes &= ~MAPINFO_TYPE_RACE.m_flags;
400                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTS.m_flags;
401         }
402
403         LOG_TRACE("-> diameter ",    ftos(diameter));
404         LOG_TRACE(";  spawnpoints ", ftos(spawnpoints));
405         LOG_TRACE(";  modes ",       ftos(MapInfo_Map_supportedGametypes));
406
407         fclose(fh);
408
409         return r;
410 }
411
412 void _MapInfo_Map_Reset()
413 {
414         MapInfo_Map_title = "<TITLE>";
415         MapInfo_Map_titlestring = "<TITLE>";
416         MapInfo_Map_description = "<DESCRIPTION>";
417         MapInfo_Map_author = "<AUTHOR>";
418         MapInfo_Map_supportedGametypes = 0;
419         MapInfo_Map_supportedFeatures = 0;
420         MapInfo_Map_flags = 0;
421         MapInfo_Map_clientstuff = "";
422         MapInfo_Map_fog = "";
423         MapInfo_Map_mins = '0 0 0';
424         MapInfo_Map_maxs = '0 0 0';
425 }
426
427 string _MapInfo_GetDefault(Gametype t)
428 {
429         return t.m_legacydefaults;
430 }
431
432 void _MapInfo_Map_ApplyGametype(string s, Gametype pWantedType, Gametype pThisType, int load_default)
433 {
434         string sa;
435         MapInfo_Map_supportedGametypes |= pThisType.m_flags;
436         if(!(pThisType.m_flags & pWantedType.m_flags))
437                 return;
438
439         if(load_default)
440                 _MapInfo_Map_ApplyGametype(_MapInfo_GetDefault(pThisType), pWantedType, pThisType, false);
441
442         if(!pWantedType.frags) // these modes don't use fraglimit
443         {
444                 cvar_set("fraglimit", "0");
445         }
446         else
447         {
448                 sa = car(s);
449                 if(sa != "")
450                         cvar_set("fraglimit", sa);
451                 s = cdr(s);
452         }
453
454         sa = car(s);
455         if(sa != "")
456                 cvar_set("timelimit", sa);
457         s = cdr(s);
458
459         if(pWantedType.m_setTeams)
460         {
461                 sa = car(s);
462                 if(sa != "")
463                         pWantedType.m_setTeams(sa);
464                 s = cdr(s);
465         }
466
467         // rc = timelimit timelimit_qualification laps laps_teamplay
468         if(pWantedType == MAPINFO_TYPE_RACE)
469         {
470                 cvar_set("fraglimit", "0"); // special case!
471
472                 sa = car(s); if(sa == "") sa = cvar_string("timelimit");
473                 cvar_set("g_race_qualifying_timelimit", sa);
474                 s = cdr(s);
475
476                 sa = car(s);
477                 if(sa != "")
478                         if(cvar("g_race_teams") < 2)
479                                 cvar_set("fraglimit", sa);
480                 s = cdr(s);
481
482                 sa = car(s);
483                 if(sa != "")
484                         if(cvar("g_race_teams") >= 2)
485                                 cvar_set("fraglimit", sa);
486                 s = cdr(s);
487         }
488
489         if(!pWantedType.frags) // these modes don't use fraglimit
490         {
491                 cvar_set("leadlimit", "0");
492         }
493         else
494         {
495                 sa = car(s);
496                 if(sa != "")
497                         cvar_set("leadlimit", sa);
498                 s = cdr(s);
499         }
500 }
501
502 string _MapInfo_GetDefaultEx(Gametype t)
503 {
504         return t ? t.model2 : "";
505 }
506
507 float _MapInfo_GetTeamPlayBool(Gametype t)
508 {
509         return t ? t.team : false;
510 }
511
512 void _MapInfo_Map_ApplyGametypeEx(string s, Gametype pWantedType, Gametype pThisType)
513 {
514         MapInfo_Map_supportedGametypes |= pThisType.m_flags;
515         if (!(pThisType.m_flags & pWantedType.m_flags))
516                 return;
517
518         // reset all the cvars to their defaults
519
520         cvar_set("timelimit", cvar_defstring("timelimit"));
521         cvar_set("leadlimit", cvar_defstring("leadlimit"));
522         cvar_set("fraglimit", cvar_defstring("fraglimit"));
523         FOREACH(Gametypes, true, it.m_parse_mapinfo(string_null, string_null));
524
525         string fraglimit_normal = string_null;
526         string fraglimit_teams = string_null;
527
528         for (s = strcat(_MapInfo_GetDefaultEx(pWantedType), " ", s); s != ""; s = cdr(s)) {
529                 string sa = car(s);
530                 if (sa == "") continue;
531                 int p = strstrofs(sa, "=", 0);
532                 if (p < 0) {
533                         if(WARN_COND)
534                                 LOG_WARNF("Invalid gametype setting in mapinfo for gametype %s: %s", MapInfo_Type_ToString(pWantedType), sa);
535                         continue;
536                 }
537                 string k = substring(sa, 0, p);
538                 string v = substring(sa, p + 1, -1);
539                 bool handled = true;
540                 switch (k) {
541                         case "timelimit":
542                         {
543                                 cvar_set("timelimit", v);
544                                 break;
545                         }
546                         case "leadlimit":
547                         {
548                                 cvar_set("leadlimit", v);
549                                 break;
550                         }
551                         case "pointlimit":
552                         case "fraglimit":
553                         case "lives":
554                         case "laplimit":
555                         case "caplimit":
556                         {
557                                 fraglimit_normal = v;
558                                 break;
559                         }
560                         case "teampointlimit":
561                         case "teamlaplimit":
562                         {
563                                 fraglimit_teams = v;
564                                 break;
565                         }
566                         default:
567                         {
568                             handled = false;
569                             break;
570                         }
571                 }
572                 FOREACH(Gametypes, true, handled |= it.m_parse_mapinfo(k, v));
573                 if (!handled && WARN_COND)
574             LOG_WARNF("Invalid gametype setting in mapinfo for gametype %s: %s", MapInfo_Type_ToString(pWantedType), sa);
575         }
576
577         if (pWantedType == MAPINFO_TYPE_RACE && cvar("g_race_teams") >= 2)
578         {
579                 if(fraglimit_teams)
580                         cvar_set("fraglimit", fraglimit_teams);
581         }
582         else
583         {
584                 if(fraglimit_normal)
585                         cvar_set("fraglimit", fraglimit_normal);
586         }
587 }
588
589 Gametype MapInfo_Type_FromString(string gtype, bool dowarn)
590 {
591         string replacement = "";
592         switch (gtype)
593         {
594                 case "nexball":   replacement = "nb"; break;
595                 case "freezetag": replacement = "ft"; break;
596                 case "keepaway":  replacement = "ka"; break;
597                 case "invasion":  replacement = "inv"; break;
598                 case "assault":   replacement = "as"; break;
599                 case "race":      replacement = "rc"; break;
600         }
601         if (replacement != "")
602         {
603                 if (dowarn && WARN_COND)
604                         LOG_WARNF("MapInfo_Type_FromString (probably %s): using deprecated name '%s'. Should use '%s'.", MapInfo_Map_bspname, gtype, replacement);
605                 gtype = replacement;
606         }
607         FOREACH(Gametypes, it.mdl == gtype, return it);
608         return NULL;
609 }
610
611 string MapInfo_Type_Description(Gametype t)
612 {
613         return t ? t.gametype_description : "";
614 }
615
616 string MapInfo_Type_ToString(Gametype t)
617 {
618         return t ? t.mdl : "";
619 }
620
621 string MapInfo_Type_ToText(Gametype t)
622 {
623         /* xgettext:no-c-format */
624         return t ? t.message : _("@!#%'n Tuba Throwing");
625 }
626
627 void _MapInfo_Parse_Settemp(string pFilename, string acl, float type, string s, float recurse)
628 {
629         string t;
630         float o;
631         // tabs are invalid, treat them as "empty"
632         s = strreplace("\t", "", s);
633
634         t = car(s); s = cdr(s);
635
636         // limited support of "" and comments
637         //   remove trailing and leading " of t
638         if(substring(t, 0, 1) == "\"")
639         {
640                 if(substring(t, -1, 1) == "\"")
641                         t = substring(t, 1, -2);
642         }
643
644         //   remove leading " of s
645         if(substring(s, 0, 1) == "\"")
646         {
647                 s = substring(s, 1, -1);
648         }
649         //   remove trailing " of s, and all that follows (cvar description)
650         o = strstrofs(s, "\"", 0);
651         if(o >= 0)
652                 s = substring(s, 0, o);
653
654         //   remove // comments
655         o = strstrofs(s, "//", 0);
656         if(o >= 0)
657                 s = substring(s, 0, o);
658
659         //   remove trailing spaces
660         while(substring(s, -1, 1) == " ")
661                 s = substring(s, 0, -2);
662
663         if(t == "#include")
664         {
665                 if(recurse > 0)
666                 {
667                         float fh = fopen(s, FILE_READ);
668                         if(fh < 0)
669                         {
670                                 if(WARN_COND)
671                                         LOG_WARN("Map ", pFilename, " references not existing config file ", s);
672                         }
673                         else
674                         {
675                                 while((s = fgets(fh)))
676                                 {
677                                         s = strreplace("\t", "", s); // treat tabs as "empty", perform here first to ensure coments are detected
678                                         // catch different sorts of comments
679                                         if(s == "")                    // empty lines
680                                                 continue;
681                                         if(substring(s, 0, 1) == "#")  // UNIX style
682                                                 continue;
683                                         if(substring(s, 0, 2) == "//") // C++ style
684                                                 continue;
685                                         if(substring(s, 0, 1) == "_")  // q3map style
686                                                 continue;
687
688                                         if(substring(s, 0, 4) == "set ")
689                                                 s = substring(s, 4, -1);
690                                         if(substring(s, 0, 5) == "seta ")
691                                                 s = substring(s, 5, -1);
692
693                                         _MapInfo_Parse_Settemp(pFilename, acl, type, s, recurse - 1);
694                                 }
695                                 fclose(fh);
696                         }
697                 }
698                 else if(WARN_COND)
699                         LOG_WARN("Map ", pFilename, " uses too many levels of inclusion");
700         }
701         else if(t == ""
702                 || !cvar_value_issafe(t)
703                 || !cvar_value_issafe(s)
704                 || matchacl(MAPINFO_SETTEMP_ACL_SYSTEM, t) <= 0)
705         {
706                 if (WARN_COND)
707                         LOG_WARN("Map ", pFilename, " contains a potentially harmful setting, ignored");
708         }
709         else if(matchacl(acl, t) <= 0)
710         {
711                 if (WARN_COND)
712                         LOG_WARN("Map ", pFilename, " contains a denied setting, ignored");
713         }
714         else
715         {
716                 if(type == 0) // server set
717                 {
718                         LOG_TRACE("Applying temporary setting ", t, " := ", s);
719                 #if 0
720                         if(cvar("g_campaign"))
721                                 cvar_set(t, s); // this is a wrapper and is always temporary anyway; no need to backup old values then
722                         else
723                 #endif
724                                 cvar_settemp(t, s);
725                 }
726                 else
727                 {
728                         LOG_TRACE("Applying temporary client setting ", t, " := ", s);
729                         MapInfo_Map_clientstuff = strcat(
730                                         MapInfo_Map_clientstuff, "cl_cmd settemp \"", t, "\" \"", s, "\"\n"
731                                         );
732                 }
733         }
734 }
735
736 float MapInfo_isRedundant(string fn, string t)
737 {
738         // normalize file name
739         fn = strreplace("_", "", fn);
740         fn = strreplace("-", "", fn);
741
742         // normalize visible title
743         t = strreplace(":", "", t);
744         t = strreplace(" ", "", t);
745         t = strreplace("_", "", t);
746         t = strreplace("-", "", t);
747         t = strreplace("'", "", t);
748         t = strdecolorize(t);
749
750         // we allow the visible title to have punctuation the file name does
751         // not, but not vice versa
752         if(!strcasecmp(fn, t))
753                 return true;
754
755         return false;
756 }
757
758 // load info about a map by name into the MapInfo_Map_* globals
759 float MapInfo_Get_ByName_NoFallbacks(string pFilename, int pAllowGenerate, Gametype pGametypeToSet)
760 {
761         string fn;
762         string s, t;
763         float fh;
764         int f, i;
765         float r, n, p;
766         string acl;
767
768         acl = MAPINFO_SETTEMP_ACL_USER;
769
770         if(strstrofs(pFilename, "/", 0) >= 0)
771         {
772                 LOG_WARN("Invalid character in map name, ignored");
773                 return 0;
774         }
775
776         if(pGametypeToSet == NULL)
777                 if(MapInfo_Cache_Retrieve(pFilename))
778                         return 1;
779
780         r = 1;
781
782         MapInfo_Map_bspname = pFilename;
783
784         // default all generic fields so they have "good" values in case something fails
785         fn = strcat("maps/", pFilename, ".mapinfo");
786         fh = fopen(fn, FILE_READ);
787         if(fh < 0)
788         {
789                 fn = strcat("maps/autogenerated/", pFilename, ".mapinfo");
790                 fh = fopen(fn, FILE_READ);
791                 if(fh < 0)
792                 {
793                         if(!pAllowGenerate)
794                                 return 0;
795                         _MapInfo_Map_Reset();
796                         r = _MapInfo_Generate(pFilename);
797                         if(!r)
798                                 return 0;
799                         fh = fopen(fn, FILE_WRITE);
800                         fputs(fh, strcat("title ", MapInfo_Map_title, "\n"));
801                         fputs(fh, strcat("description ", MapInfo_Map_description, "\n"));
802                         fputs(fh, strcat("author ", MapInfo_Map_author, "\n"));
803                         if(_MapInfo_Map_worldspawn_music != "")
804                         {
805                                 if(
806                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".wav"
807                                         ||
808                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".ogg"
809                                 )
810                                         fputs(fh, strcat("cdtrack ", substring(_MapInfo_Map_worldspawn_music, 0, strlen(_MapInfo_Map_worldspawn_music) - 4), "\n"));
811                                 else
812                                         fputs(fh, strcat("cdtrack ", _MapInfo_Map_worldspawn_music, "\n"));
813                         }
814                         else
815                         {
816                                 n = tokenize_console(cvar_string("g_cdtracks_remaplist"));
817                                 s = strcat(" ", cvar_string("g_cdtracks_dontusebydefault"), " ");
818                                 for (;;)
819                                 {
820                                         i = floor(random() * n);
821                                         if(strstrofs(s, strcat(" ", argv(i), " "), 0) < 0)
822                                                 break;
823                                 }
824                                 fputs(fh, strcat("cdtrack ", ftos(i + 1), "\n"));
825                         }
826                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_WEAPONS)
827                                 fputs(fh, "has weapons\n");
828                         else
829                                 fputs(fh, "// uncomment this if you added weapon pickups: has weapons\n");
830                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_TURRETS)
831                                 fputs(fh, "has turrets\n");
832                         else
833                                 fputs(fh, "// uncomment this if you added turrets: has turrets\n");
834                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_VEHICLES)
835                                 fputs(fh, "has vehicles\n");
836                         else
837                                 fputs(fh, "// uncomment this if you added vehicles: has vehicles\n");
838                         if(MapInfo_Map_flags & MAPINFO_FLAG_FRUSTRATING)
839                                 fputs(fh, "frustrating\n");
840
841                         FOREACH(Gametypes, MapInfo_Map_supportedGametypes & it.m_flags, {
842                                 fputs(fh, sprintf("gametype %s // defaults: %s\n", MapInfo_Type_ToString(it), _MapInfo_GetDefaultEx(it)));
843                         });
844
845                         fputs(fh, "// optional: fog density red green blue alpha mindist maxdist\n");
846                         fputs(fh, "// optional: settemp_for_type (all|gametypename) cvarname value\n");
847                         fputs(fh, "// optional: clientsettemp_for_type (all|gametypename) cvarname value\n");
848                         fputs(fh, "// optional: size mins_x mins_y mins_z maxs_x maxs_y maxs_z\n");
849                         fputs(fh, "// optional: hidden\n");
850
851                         fclose(fh);
852                         r = 2;
853                         // return r;
854                         fh = fopen(fn, FILE_READ);
855                         if(fh < 0)
856                                 error("... but I just wrote it!");
857                 }
858
859                 if(WARN_COND)
860                         LOG_WARN("autogenerated mapinfo file ", fn, " has been loaded; please edit that file and move it to maps/", pFilename, ".mapinfo");
861         }
862
863         _MapInfo_Map_Reset();
864         for (;;)
865         {
866                 if (!((s = fgets(fh))))
867                         break;
868
869                 // catch different sorts of comments
870                 if(s == "")                    // empty lines
871                         continue;
872                 if(substring(s, 0, 1) == "#")  // UNIX style
873                         continue;
874                 if(substring(s, 0, 2) == "//") // C++ style
875                         continue;
876                 if(substring(s, 0, 1) == "_")  // q3map style
877                         continue;
878
879                 p = strstrofs(s, "//", 0);
880                 if(p >= 0)
881                         s = substring(s, 0, p);
882
883                 t = car(s); s = cdr(s);
884                 if(t == "title")
885                         MapInfo_Map_title = s;
886                 else if(t == "description")
887                         MapInfo_Map_description = s;
888                 else if(t == "author")
889                         MapInfo_Map_author = s;
890                 else if(t == "has")
891                 {
892                         t = car(s); // s = cdr(s);
893                         if     (t == "weapons") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
894                         else if(t == "turrets") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
895                         else if(t == "vehicles") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
896                         else if(t == "monsters") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_MONSTERS;
897                         else if(t == "new_toys") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
898                         else if(WARN_COND)
899                                 LOG_WARN("Map ", pFilename, " supports unknown feature ", t, ", ignored");
900                 }
901                 else if(t == "hidden")
902                 {
903                         MapInfo_Map_flags |= MAPINFO_FLAG_HIDDEN;
904                 }
905                 else if(t == "forbidden")
906                 {
907                         MapInfo_Map_flags |= MAPINFO_FLAG_FORBIDDEN;
908                 }
909                 else if(t == "frustrating")
910                 {
911                         MapInfo_Map_flags |= MAPINFO_FLAG_FRUSTRATING;
912                 }
913                 else if(t == "noautomaplist")
914                 {
915                         MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
916                 }
917                 else if(t == "gameversion_min")
918                 {
919                         if (cvar("gameversion") < stof(s))
920                                 MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
921                 }
922                 else if(t == "type")
923                 {
924                         t = car(s); s = cdr(s);
925                         Gametype f = MapInfo_Type_FromString(t, true);
926                         //if(WARN_COND)
927                                 //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'.");
928                         if(f)
929                                 _MapInfo_Map_ApplyGametype (s, pGametypeToSet, f, true);
930                         else if(WARN_COND)
931                                 LOG_DEBUG("Map ", pFilename, " supports unknown game type ", t, ", ignored");
932                 }
933                 else if(t == "gametype")
934                 {
935                         t = car(s); s = cdr(s);
936                         Gametype f = MapInfo_Type_FromString(t, true);
937                         if(f)
938                                 _MapInfo_Map_ApplyGametypeEx (s, pGametypeToSet, f);
939                         else if(WARN_COND)
940                                 LOG_DEBUG("Map ", pFilename, " supports unknown game type ", t, ", ignored");
941                 }
942                 else if(t == "size")
943                 {
944                         float a, b, c, d, e;
945                         t = car(s); s = cdr(s); a = stof(t);
946                         t = car(s); s = cdr(s); b = stof(t);
947                         t = car(s); s = cdr(s); c = stof(t);
948                         t = car(s); s = cdr(s); d = stof(t);
949                         t = car(s); s = cdr(s); e = stof(t);
950                         if(s == "")
951                         {
952                                 if(WARN_COND)
953                                         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");
954                         }
955                         else
956                         {
957                                 t = car(s); s = cdr(s); f = stof(t);
958                                 if(s != "")
959                                 {
960                                         if(WARN_COND)
961                                                 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");
962                                 }
963                                 else
964                                 {
965                                         if(a >= d || b >= e || c >= f)
966                                         {
967                                                 if(WARN_COND)
968                                                         LOG_WARN("Map ", pFilename, " contains an incorrect size line, mins have to be < maxs");
969                                         }
970                                         else
971                                         {
972                                                 MapInfo_Map_mins.x = a;
973                                                 MapInfo_Map_mins.y = b;
974                                                 MapInfo_Map_mins.z = c;
975                                                 MapInfo_Map_maxs.x = d;
976                                                 MapInfo_Map_maxs.y = e;
977                                                 MapInfo_Map_maxs.z = f;
978                                         }
979                                 }
980                         }
981                 }
982                 else if(t == "settemp_for_type")
983                 {
984                         t = car(s); s = cdr(s);
985                         bool all = t == "all";
986                         Gametype f = NULL;
987                         if(all || (f = MapInfo_Type_FromString(t, true)))
988                         {
989                                 if((all ? MAPINFO_TYPE_ALL : f.m_flags) & pGametypeToSet.m_flags)
990                                 {
991                                         _MapInfo_Parse_Settemp(pFilename, acl, 0, s, 1);
992                                 }
993                         }
994                         else
995                         {
996                                 LOG_DEBUG("Map ", pFilename, " has a setting for unknown game type ", t, ", ignored");
997                         }
998                 }
999                 else if(t == "clientsettemp_for_type")
1000                 {
1001                         t = car(s); s = cdr(s);
1002                         bool all = t == "all";
1003                         Gametype f = NULL;
1004                         if(all || (f = MapInfo_Type_FromString(t, true)))
1005                         {
1006                                 if((all ? MAPINFO_TYPE_ALL : f.m_flags) & pGametypeToSet.m_flags)
1007                                 {
1008                                         _MapInfo_Parse_Settemp(pFilename, acl, 1, s, 1);
1009                                 }
1010                         }
1011                         else
1012                         {
1013                                 LOG_DEBUG("Map ", pFilename, " has a client setting for unknown game type ", t, ", ignored");
1014                         }
1015                 }
1016                 else if(t == "fog")
1017                 {
1018                         if (!cvar_value_issafe(s))
1019                         {
1020                                 if(WARN_COND)
1021                                         LOG_WARN("Map ", pFilename, " contains a potentially harmful fog setting, ignored");
1022                         }
1023                         else
1024                                 MapInfo_Map_fog = s;
1025                 }
1026                 else if(t == "cdtrack")
1027                 {
1028                         t = car(s); s = cdr(s);
1029                         // We do this only if pGametypeToSet even though this
1030                         // content is theoretically game type independent,
1031                         // because MapInfo_Map_clientstuff contains otherwise
1032                         // game type dependent stuff. That way this value stays
1033                         // empty when not setting a game type to not set any
1034                         // false expectations.
1035                         if(pGametypeToSet)
1036                         {
1037                                 if (!cvar_value_issafe(t))
1038                                 {
1039                                         if(WARN_COND)
1040                                                 LOG_WARN("Map ", pFilename, " contains a potentially harmful cdtrack, ignored");
1041                                 }
1042                                 else
1043                                         MapInfo_Map_clientstuff = strcat(
1044                                                 MapInfo_Map_clientstuff, "cd loop \"", t, "\"\n"
1045                                         );
1046                         }
1047                 }
1048                 else if(WARN_COND)
1049                         LOG_WARN("Map ", pFilename, " provides unknown info item ", t, ", ignored");
1050         }
1051         fclose(fh);
1052
1053         if(MapInfo_Map_title == "<TITLE>")
1054                 MapInfo_Map_titlestring = MapInfo_Map_bspname;
1055         else if(MapInfo_isRedundant(MapInfo_Map_bspname, MapInfo_Map_title))
1056                 MapInfo_Map_titlestring = MapInfo_Map_title;
1057         else
1058                 MapInfo_Map_titlestring = sprintf("%s: %s", MapInfo_Map_bspname, MapInfo_Map_title);
1059
1060         MapInfo_Cache_Store();
1061         if(MapInfo_Map_supportedGametypes != 0)
1062                 return r;
1063         if (WARN_COND)
1064                 LOG_WARN("Map ", pFilename, " supports no game types, ignored");
1065         return 0;
1066 }
1067 int MapInfo_Get_ByName(string pFilename, float pAllowGenerate, Gametype pGametypeToSet)
1068 {
1069         int r = MapInfo_Get_ByName_NoFallbacks(pFilename, pAllowGenerate, pGametypeToSet);
1070
1071         FOREACH(Gametypes, it.m_isForcedSupported(it), _MapInfo_Map_ApplyGametypeEx("", pGametypeToSet, it));
1072
1073         if(pGametypeToSet)
1074         {
1075                 if(!(MapInfo_Map_supportedGametypes & pGametypeToSet.m_flags))
1076                 {
1077                         error("Can't select the requested game type. This should never happen as the caller should prevent it!\n");
1078                         //_MapInfo_Map_ApplyGametypeEx("", pGametypeToSet, MAPINFO_TYPE_DEATHMATCH);
1079                         //return;
1080                 }
1081         }
1082
1083         return r;
1084 }
1085
1086 float MapInfo_FindName(string s)
1087 {
1088         // if there is exactly one map of prefix s, return it
1089         // if not, return the null string
1090         // note that DP sorts glob results... so I can use a binary search
1091         float l, r, m, cmp;
1092         l = 0;
1093         r = MapInfo_count;
1094         // invariants: r is behind s, l-1 is equal or before
1095         while(l != r)
1096         {
1097                 m = floor((l + r) / 2);
1098                 MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(m));
1099                 cmp = strcasecmp(MapInfo_FindName_match, s);
1100                 if(cmp == 0)
1101                         return m; // found and good
1102                 if(cmp < 0)
1103                         l = m + 1; // l-1 is before s
1104                 else
1105                         r = m; // behind s
1106         }
1107         MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(l));
1108         MapInfo_FindName_firstResult = l;
1109         // r == l, so: l is behind s, l-1 is before
1110         // SO: if there is any, l is the one with the right prefix
1111         //     and l+1 may be one too
1112         if(l == MapInfo_count)
1113         {
1114                 MapInfo_FindName_match = string_null;
1115                 MapInfo_FindName_firstResult = -1;
1116                 return -1; // no MapInfo_FindName_match, behind last item
1117         }
1118         if(!startsWithNocase(MapInfo_FindName_match, s))
1119         {
1120                 MapInfo_FindName_match = string_null;
1121                 MapInfo_FindName_firstResult = -1;
1122                 return -1; // wrong prefix
1123         }
1124         if(l == MapInfo_count - 1)
1125                 return l; // last one, nothing can follow => unique
1126         if(startsWithNocase(_MapInfo_GlobItem(MapInfo_FilterList_Lookup(l + 1)), s))
1127         {
1128                 MapInfo_FindName_match = string_null;
1129                 return -1; // ambigous MapInfo_FindName_match
1130         }
1131         return l;
1132 }
1133
1134 string MapInfo_FixName(string s)
1135 {
1136         MapInfo_FindName(s);
1137         return MapInfo_FindName_match;
1138 }
1139
1140 int MapInfo_CurrentFeatures()
1141 {
1142         int req = 0;
1143     // TODO: find a better way to check if weapons are required on the map
1144         if(!(cvar("g_instagib") || cvar("g_overkill") || cvar("g_nix") || cvar("g_weaponarena") || !cvar("g_pickup_items") || !cvar("g_melee_only") 
1145                 || cvar("g_race") || cvar("g_cts") || cvar("g_nexball") || cvar("g_ca") || cvar("g_freezetag") || cvar("g_lms")))
1146                 req |= MAPINFO_FEATURE_WEAPONS;
1147         return req;
1148 }
1149
1150 Gametype MapInfo_CurrentGametype()
1151 {
1152         Gametype prev = MapInfo_Type_FromString(cvar_string("gamecfg"), false);
1153         FOREACH(Gametypes, cvar(it.netname) && it != prev, return it);
1154         return prev ? prev : MAPINFO_TYPE_DEATHMATCH;
1155 }
1156
1157 float _MapInfo_CheckMap(string s, bool gametype_only) // returns 0 if the map can't be played with the current settings, 1 otherwise
1158 {
1159         if(!MapInfo_Get_ByName(s, 1, NULL))
1160                 return 0;
1161         if((MapInfo_Map_supportedGametypes & MapInfo_CurrentGametype().m_flags) == 0)
1162                 return 0;
1163         if (gametype_only)
1164                 return 1;
1165         if((MapInfo_Map_supportedFeatures & MapInfo_CurrentFeatures()) != MapInfo_CurrentFeatures())
1166                 return 0;
1167         return 1;
1168 }
1169
1170 float MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
1171 {
1172         float r;
1173         r = _MapInfo_CheckMap(s, false);
1174         MapInfo_ClearTemps();
1175         return r;
1176 }
1177
1178 void MapInfo_SwitchGameType(Gametype t)
1179 {
1180         FOREACH(Gametypes, true, cvar_set(it.netname, (it == t) ? "1" : "0"));
1181 }
1182
1183 void MapInfo_LoadMap(string s, float reinit)
1184 {
1185         MapInfo_Map_supportedGametypes = 0;
1186         // we shouldn't need this, as LoadMapSettings already fixes the gametype
1187         //if(!MapInfo_CheckMap(s))
1188         //{
1189         //      print("EMERGENCY: can't play the selected map in the given game mode. Falling back to DM.\n");
1190         //      MapInfo_SwitchGameType(MAPINFO_TYPE_DEATHMATCH.m_flags);
1191         //}
1192
1193         LOG_INFO("Switching to map ", s);
1194
1195         cvar_settemp_restore();
1196         if(reinit)
1197                 localcmd(strcat("\nmap ", s, "\n"));
1198         else
1199                 localcmd(strcat("\nchangelevel ", s, "\n"));
1200 }
1201
1202 string MapInfo_ListAllowedMaps(Gametype type, float pRequiredFlags, float pForbiddenFlags)
1203 {
1204         string out;
1205
1206         // to make absolutely sure:
1207         MapInfo_Enumerate();
1208         MapInfo_FilterGametype(type, MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1209
1210         out = "";
1211         for(float i = 0; i < MapInfo_count; ++i)
1212                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1213         return substring(out, 1, strlen(out) - 1);
1214 }
1215
1216 string MapInfo_ListAllAllowedMaps(float pRequiredFlags, float pForbiddenFlags)
1217 {
1218         string out;
1219
1220         // to make absolutely sure:
1221         MapInfo_Enumerate();
1222         _MapInfo_FilterGametype(MAPINFO_TYPE_ALL, 0, pRequiredFlags, pForbiddenFlags, 0);
1223
1224         out = "";
1225         for(float i = 0; i < MapInfo_count; ++i)
1226                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1227
1228         MapInfo_FilterGametype(MapInfo_CurrentGametype(), MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1229
1230         return substring(out, 1, strlen(out) - 1);
1231 }
1232
1233 void MapInfo_LoadMapSettings_SaveGameType(Gametype t)
1234 {
1235         MapInfo_SwitchGameType(t);
1236         cvar_set("gamecfg", t.mdl);
1237         MapInfo_LoadedGametype = t;
1238 }
1239
1240 void MapInfo_LoadMapSettings(string s) // to be called from worldspawn
1241 {
1242         Gametype t = MapInfo_CurrentGametype();
1243         MapInfo_LoadMapSettings_SaveGameType(t);
1244
1245         if(!_MapInfo_CheckMap(s, true)) // with underscore, it keeps temps
1246         {
1247                 if(cvar("g_mapinfo_allow_unsupported_modes_and_let_stuff_break"))
1248                 {
1249                         LOG_SEVERE("can't play the selected map in the given game mode. Working with only the override settings.");
1250                         _MapInfo_Map_ApplyGametypeEx("", t, t);
1251                         return; // do not call Get_ByName!
1252                 }
1253
1254                 if(MapInfo_Map_supportedGametypes == 0)
1255                 {
1256                         RandomSelection_Init();
1257                         FOREACH(Gametypes, it.m_priority == 2, 
1258                         {
1259                                 MapInfo_Map_supportedGametypes |= it.m_flags;
1260                                 RandomSelection_AddEnt(it, 1, 1);
1261                         });
1262                         if(RandomSelection_chosen_ent)
1263                                 t = RandomSelection_chosen_ent;
1264                         LOG_SEVEREF("Mapinfo system is not functional at all. Falling back to a preferred mode (%s).", t.mdl);
1265                         MapInfo_LoadMapSettings_SaveGameType(t);
1266                         _MapInfo_Map_ApplyGametypeEx("", t, t);
1267                         return; // do not call Get_ByName!
1268                 }
1269
1270 #if 0
1271                 // find the lowest bit in the supported gametypes
1272                 // unnecessary now that we select one at random
1273                 int _t = 1;
1274                 while(!(MapInfo_Map_supportedGametypes & 1))
1275                 {
1276                         _t <<= 1;
1277                         MapInfo_Map_supportedGametypes = floor(MapInfo_Map_supportedGametypes >> 1);
1278                 }
1279 #endif
1280                 RandomSelection_Init();
1281                 Gametype t_prev = t;
1282                 FOREACH(Gametypes, MapInfo_Map_supportedGametypes & it.m_flags,
1283                 {
1284                         RandomSelection_AddEnt(it, 1, it.m_priority);
1285                 });
1286                 if(RandomSelection_chosen_ent)
1287                         t = RandomSelection_chosen_ent;
1288
1289                 // t is now a supported mode!
1290                 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);
1291                 MapInfo_LoadMapSettings_SaveGameType(t);
1292         }
1293         if(!_MapInfo_CheckMap(s, false)) { // with underscore, it keeps temps
1294                 LOG_WARNF("the selected map lacks features required by current settings; playing anyway.");
1295         }
1296         MapInfo_Get_ByName(s, 1, t);
1297 }
1298
1299 void MapInfo_ClearTemps()
1300 {
1301         MapInfo_Map_bspname = string_null;
1302         MapInfo_Map_title = string_null;
1303         MapInfo_Map_titlestring = string_null;
1304         MapInfo_Map_description = string_null;
1305         MapInfo_Map_author = string_null;
1306         MapInfo_Map_clientstuff = string_null;
1307         MapInfo_Map_supportedGametypes = 0;
1308         MapInfo_Map_supportedFeatures = 0;
1309 }
1310
1311 void MapInfo_Shutdown()
1312 {
1313         MapInfo_ClearTemps();
1314         MapInfo_Filter_Free();
1315         MapInfo_Cache_Destroy();
1316         if(_MapInfo_globopen)
1317         {
1318                 search_end(_MapInfo_globhandle);
1319                 _MapInfo_globhandle = -1;
1320                 _MapInfo_globopen = false;
1321         }
1322 }
1323
1324 int MapInfo_ForbiddenFlags()
1325 {
1326         int f = MAPINFO_FLAG_FORBIDDEN;
1327
1328 #ifdef GAMEQC
1329         if (!cvar("g_maplist_allow_hidden"))
1330 #endif
1331                 f |= MAPINFO_FLAG_HIDDEN;
1332
1333         if (!cvar("g_maplist_allow_frustrating"))
1334                 f |= MAPINFO_FLAG_FRUSTRATING;
1335
1336         return f;
1337 }
1338
1339 int MapInfo_RequiredFlags()
1340 {
1341         int f = 0;
1342
1343         if(cvar("g_maplist_allow_frustrating") > 1)
1344                 f |= MAPINFO_FLAG_FRUSTRATING;
1345
1346         return f;
1347 }