Merge branch 'master' into terencehill/menu_optimization
[xonotic/xonotic-data.pk3dir.git] / qcsrc / common / mapinfo.qc
1 #if defined(CSQC)
2     #include "../client/defs.qh"
3     #include "util.qh"
4     #include "weapons/all.qh"
5     #include "mapinfo.qh"
6 #elif defined(MENUQC)
7 #elif defined(SVQC)
8     #include "util.qh"
9     #include "monsters/all.qh"
10     #include "mapinfo.qh"
11 #endif
12
13 bool autocvar_developer_mapper;
14
15 #define LOG_MAPWARN(...) MACRO_BEGIN { if (autocvar_developer_mapper) LOG_WARNING(__VA_ARGS__); } MACRO_END
16 #define LOG_MAPWARNF(...) MACRO_BEGIN { if (autocvar_developer_mapper) LOG_WARNINGF(__VA_ARGS__); } MACRO_END
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(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, 0) == 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.\n");
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, world);
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, world);
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 i, j, l;
235         l = strlen(s);
236         j = -1;
237         for(i = 0; i < l; ++i)
238         {
239                 string ch;
240                 ch = substring(s, i, 1);
241                 if(ch != " ") if(ch != "\"")
242                 {
243                         for(j = strlen(s) - i - 1; j > 0; --j)
244                         {
245                                 ch = substring(s, i+j, 1);
246                                 if(ch != " ") if(ch != "\"")
247                                         return substring(s, i, j+1);
248                         }
249                         return substring(s, i, 1);
250                 }
251         }
252         return "";
253 }
254
255 float MapInfo_Get_ByID(float i)
256 {
257         if(MapInfo_Get_ByName(MapInfo_BSPName_ByID(i), 0, 0))
258                 return 1;
259         return 0;
260 }
261
262 string _MapInfo_Map_worldspawn_music;
263
264 float _MapInfo_Generate(string pFilename) // 0: failure, 1: ok ent, 2: ok bsp
265 {
266         string fn;
267         float fh;
268         string s, k, v;
269         vector o;
270         float i;
271         float inWorldspawn;
272         float r;
273         float twoBaseModes;
274         float diameter, spawnpoints;
275         float spawnplaces;
276
277         vector mapMins, mapMaxs;
278
279         r = 1;
280         fn = strcat("maps/", pFilename, ".ent");
281         fh = fopen(fn, FILE_READ);
282         if(fh < 0)
283         {
284                 r = 2;
285                 fn = strcat("maps/", pFilename, ".bsp");
286                 fh = fopen(fn, FILE_READ);
287         }
288         if(fh < 0)
289                 return 0;
290         LOG_INFO("Analyzing ", fn, " to generate initial mapinfo\n");
291
292         inWorldspawn = 2;
293         MapInfo_Map_flags = 0;
294         MapInfo_Map_supportedGametypes = 0;
295         spawnpoints = 0;
296         spawnplaces = 0;
297         _MapInfo_Map_worldspawn_music = "";
298         mapMins = '0 0 0';
299         mapMaxs = '0 0 0';
300
301         for (;;)
302         {
303                 if (!((s = fgets(fh))))
304                         break;
305                 if(inWorldspawn == 1)
306                         if(startsWith(s, "}"))
307                                 inWorldspawn = 0;
308                 k = unquote(car(s));
309                 v = unquote(cdr(s));
310                 if(inWorldspawn)
311                 {
312                         if(k == "classname" && v == "worldspawn")
313                                 inWorldspawn = 1;
314                         else if(k == "author")
315                                 MapInfo_Map_author = v;
316                         else if(k == "_description")
317                                 MapInfo_Map_description = v;
318                         else if(k == "music")
319                                 _MapInfo_Map_worldspawn_music = v;
320                         else if(k == "noise")
321                                 _MapInfo_Map_worldspawn_music = v;
322                         else if(k == "message")
323                         {
324                                 i = strstrofs(v, " by ", 0);
325                                 if(MapInfo_Map_author == "<AUTHOR>" && i >= 0)
326                                 {
327                                         MapInfo_Map_title = substring(v, 0, i);
328                                         MapInfo_Map_author = substring(v, i + 4, strlen(v) - (i + 4));
329                                 }
330                                 else
331                                         MapInfo_Map_title = v;
332                         }
333                 }
334                 else
335                 {
336                         if(k == "origin")
337                         {
338                                 o = stov(strcat("'", v, "'"));
339                                 mapMins.x = min(mapMins.x, o.x);
340                                 mapMins.y = min(mapMins.y, o.y);
341                                 mapMins.z = min(mapMins.z, o.z);
342                                 mapMaxs.x = max(mapMaxs.x, o.x);
343                                 mapMaxs.y = max(mapMaxs.y, o.y);
344                                 mapMaxs.z = max(mapMaxs.z, o.z);
345                         }
346                         else if(k == "race_place")
347                         {
348                                 if(stof(v) > 0)
349                                         spawnplaces = 1;
350                         }
351                         else if(k == "classname")
352                         {
353                                 if(v == "dom_controlpoint")
354                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_DOMINATION;
355                                 else if(v == "item_flag_team2")
356                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTF;
357                                 else if(v == "team_CTF_blueflag")
358                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTF;
359                                 else if(v == "invasion_spawnpoint")
360                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_INVASION;
361                                 else if(v == "target_assault_roundend")
362                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_ASSAULT;
363                                 else if(v == "onslaught_generator")
364                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_ONSLAUGHT;
365                                 else if(substring(v, 0, 8) == "nexball_" || substring(v, 0, 4) == "ball")
366                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_NEXBALL;
367                                 else if(v == "info_player_team1")
368                                         ++spawnpoints;
369                                 else if(v == "info_player_team2")
370                                         ++spawnpoints;
371                                 else if(v == "info_player_start")
372                                         ++spawnpoints;
373                                 else if(v == "info_player_deathmatch")
374                                         ++spawnpoints;
375                                 else if(v == "trigger_race_checkpoint")
376                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_RACE;
377                                 else if(v == "target_startTimer")
378                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTS;
379                                 else if(v == "weapon_nex")
380                                         { }
381                                 else if(v == "weapon_railgun")
382                                         { }
383                                 else if(startsWith(v, "weapon_"))
384                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
385                                 else if(startsWith(v, "turret_"))
386                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
387                                 else if(startsWith(v, "vehicle_"))
388                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
389                                 else if(startsWith(v, "monster_"))
390                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_MONSTERS;
391                                 else if(v == "target_music" || v == "trigger_music")
392                                         _MapInfo_Map_worldspawn_music = string_null; // don't use regular BGM
393                         }
394                 }
395         }
396         if(inWorldspawn)
397         {
398                 LOG_MAPWARN(fn, " ended still in worldspawn, BUG\n");
399                 return 0;
400         }
401         diameter = vlen(mapMaxs - mapMins);
402
403         twoBaseModes = MapInfo_Map_supportedGametypes & (MAPINFO_TYPE_CTF | MAPINFO_TYPE_ASSAULT | MAPINFO_TYPE_RACE | MAPINFO_TYPE_NEXBALL);
404         if(twoBaseModes && (MapInfo_Map_supportedGametypes == twoBaseModes))
405         {
406                 // we have a CTF-only or Assault-only map. Don't add other modes then,
407                 // as the map is too symmetric for them.
408         }
409         else
410         {
411                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_DEATHMATCH;      // DM always works
412                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_LMS;             // LMS always works
413                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_KEEPAWAY;                // Keepaway always works
414
415                 if(spawnpoints >= 8  && diameter > 4096) {
416                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_TEAM_DEATHMATCH;
417                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_FREEZETAG;
418                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CA;
419                 }
420                 if(spawnpoints >= 12 && diameter > 5120)
421                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_KEYHUNT;
422         }
423
424         if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_RACE)
425         if(!spawnplaces)
426         {
427                 MapInfo_Map_supportedGametypes &= ~MAPINFO_TYPE_RACE;
428                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTS;
429         }
430
431         LOG_TRACE("-> diameter ",    ftos(diameter));
432         LOG_TRACE(";  spawnpoints ", ftos(spawnpoints));
433         LOG_TRACE(";  modes ",       ftos(MapInfo_Map_supportedGametypes), "\n");
434
435         fclose(fh);
436
437         return r;
438 }
439
440 void _MapInfo_Map_Reset()
441 {
442         MapInfo_Map_title = "<TITLE>";
443         MapInfo_Map_titlestring = "<TITLE>";
444         MapInfo_Map_description = "<DESCRIPTION>";
445         MapInfo_Map_author = "<AUTHOR>";
446         MapInfo_Map_supportedGametypes = 0;
447         MapInfo_Map_supportedFeatures = 0;
448         MapInfo_Map_flags = 0;
449         MapInfo_Map_clientstuff = "";
450         MapInfo_Map_fog = "";
451         MapInfo_Map_mins = '0 0 0';
452         MapInfo_Map_maxs = '0 0 0';
453 }
454
455 string _MapInfo_GetDefault(float t)
456 {
457         switch(t)
458         {
459                 case MAPINFO_TYPE_DEATHMATCH:      return "30 20 0";
460                 case MAPINFO_TYPE_TEAM_DEATHMATCH: return "50 20 2 0";
461                 case MAPINFO_TYPE_DOMINATION:      return "200 20 0";
462                 case MAPINFO_TYPE_CTF:             return "300 20 10 0";
463                 case MAPINFO_TYPE_LMS:             return "9 20 0";
464                 case MAPINFO_TYPE_CA:              return "10 20 0";
465                 case MAPINFO_TYPE_KEYHUNT:         return "1000 20 3 0";
466                 case MAPINFO_TYPE_ASSAULT:         return "20 0";
467                 case MAPINFO_TYPE_RACE:            return "20 5 7 15 0";
468                 case MAPINFO_TYPE_ONSLAUGHT:       return "20 0";
469                 case MAPINFO_TYPE_NEXBALL:         return "5 20 0";
470                 case MAPINFO_TYPE_CTS:             return "20 0 0";
471                 case MAPINFO_TYPE_FREEZETAG:       return "10 20 0";
472                 // NOTE: DO NOT ADD ANY MORE GAME TYPES HERE
473                 // THIS IS JUST LEGACY SUPPORT FOR NEXUIZ MAPS
474                 // ONLY ADD NEW STUFF TO _MapInfo_GetDefaultEx
475                 // THIS FUNCTION WILL EVENTUALLY BE REMOVED
476                 default:                           return "";
477         }
478 }
479
480 void _MapInfo_Map_ApplyGametype(string s, int pWantedType, int pThisType, int load_default)
481 {
482         string sa;
483         MapInfo_Map_supportedGametypes |= pThisType;
484         if(!(pThisType & pWantedType))
485                 return;
486
487         if(load_default)
488                 _MapInfo_Map_ApplyGametype(_MapInfo_GetDefault(pThisType), pWantedType, pThisType, false);
489
490         if(pWantedType == MAPINFO_TYPE_ASSAULT || pWantedType == MAPINFO_TYPE_ONSLAUGHT || pWantedType == MAPINFO_TYPE_RACE || pWantedType == MAPINFO_TYPE_CTS) // these modes don't use fraglimit
491         {
492                 cvar_set("fraglimit", "0");
493         }
494         else
495         {
496                 sa = car(s);
497                 if(sa != "")
498                         cvar_set("fraglimit", sa);
499                 s = cdr(s);
500         }
501
502         sa = car(s);
503         if(sa != "")
504                 cvar_set("timelimit", sa);
505         s = cdr(s);
506
507         if(pWantedType == MAPINFO_TYPE_TEAM_DEATHMATCH)
508         {
509                 sa = car(s);
510                 if(sa != "")
511                         cvar_set("g_tdm_teams", sa);
512                 s = cdr(s);
513         }
514
515         if(pWantedType == MAPINFO_TYPE_KEYHUNT)
516         {
517                 sa = car(s);
518                 if(sa != "")
519                         cvar_set("g_keyhunt_teams", sa);
520                 s = cdr(s);
521         }
522
523         if(pWantedType == MAPINFO_TYPE_CA)
524         {
525                 sa = car(s);
526                 if(sa != "")
527                         cvar_set("g_ca_teams", sa);
528                 s = cdr(s);
529         }
530
531         if(pWantedType == MAPINFO_TYPE_FREEZETAG)
532         {
533                 sa = car(s);
534                 if(sa != "")
535                         cvar_set("g_freezetag_teams", sa);
536                 s = cdr(s);
537         }
538
539         if(pWantedType == MAPINFO_TYPE_CTF)
540         {
541                 sa = car(s);
542                 if(sa != "")
543                         cvar_set("fraglimit", sa);
544                 s = cdr(s);
545         }
546
547         /* keepaway wuz here
548         if(pWantedType == MAPINFO_TYPE_KEEPAWAY)
549         {
550                 sa = car(s);
551                 if(sa != "")
552                         cvar_set("fraglimit", sa);
553                 s = cdr(s);
554         }
555         */
556
557         // rc = timelimit timelimit_qualification laps laps_teamplay
558         if(pWantedType == MAPINFO_TYPE_RACE)
559         {
560                 sa = car(s); if(sa == "") sa = cvar_string("timelimit");
561                 cvar_set("g_race_qualifying_timelimit", sa);
562                 s = cdr(s);
563
564                 sa = car(s);
565                 if(sa != "")
566                         if(cvar("g_race_teams") < 2)
567                                 cvar_set("fraglimit", sa);
568                 s = cdr(s);
569
570                 sa = car(s);
571                 if(sa != "")
572                         if(cvar("g_race_teams") >= 2)
573                                 cvar_set("fraglimit", sa);
574                 s = cdr(s);
575         }
576
577         if(pWantedType == MAPINFO_TYPE_CTS)
578         {
579                 sa = car(s);
580
581                 // this is the skill of the map
582                 // not parsed by anything yet
583                 // for map databases
584                 //if(sa != "")
585                 //      cvar_set("fraglimit", sa);
586
587                 s = cdr(s);
588         }
589
590         if(pWantedType == MAPINFO_TYPE_ASSAULT || pWantedType == MAPINFO_TYPE_ONSLAUGHT || pWantedType == MAPINFO_TYPE_CTS) // these modes don't use fraglimit
591         {
592                 cvar_set("leadlimit", "0");
593         }
594         else
595         {
596                 sa = car(s);
597                 if(sa != "")
598                         cvar_set("leadlimit", sa);
599                 s = cdr(s);
600         }
601 }
602
603 string _MapInfo_GetDefaultEx(float t)
604 {
605         FOREACH(Gametypes, it.items == t, LAMBDA(return it.model2));
606         return "";
607 }
608
609 float _MapInfo_GetTeamPlayBool(float t)
610 {
611         FOREACH(Gametypes, it.items == t, LAMBDA(return it.team));
612         return false;
613 }
614
615 void _MapInfo_Map_ApplyGametypeEx(string s, int pWantedType, int pThisType)
616 {
617         MapInfo_Map_supportedGametypes |= pThisType;
618         if (!(pThisType & pWantedType))
619                 return;
620
621         // reset all the cvars to their defaults
622
623         cvar_set("timelimit", cvar_defstring("timelimit"));
624         cvar_set("leadlimit", cvar_defstring("leadlimit"));
625         cvar_set("fraglimit", cvar_defstring("fraglimit"));
626         FOREACH(Gametypes, true, LAMBDA(it.m_parse_mapinfo(string_null, string_null)));
627
628         string fraglimit_normal = string_null;
629         string fraglimit_teams = string_null;
630
631         for (s = strcat(_MapInfo_GetDefaultEx(pWantedType), " ", s); s != ""; s = cdr(s)) {
632                 string sa = car(s);
633                 if (sa == "") continue;
634                 int p = strstrofs(sa, "=", 0);
635                 if (p < 0) {
636                         LOG_MAPWARNF("Invalid gametype setting in mapinfo for gametype %s: %s\n", MapInfo_Type_ToString(pWantedType), sa);
637                         continue;
638                 }
639                 string k = substring(sa, 0, p);
640                 string v = substring(sa, p + 1, -1);
641                 bool handled = true;
642                 switch (k) {
643                         case "timelimit":
644                         {
645                                 cvar_set("timelimit", v);
646                                 break;
647                         }
648                         case "leadlimit":
649                         {
650                                 cvar_set("leadlimit", v);
651                                 break;
652                         }
653                         case "pointlimit":
654                         case "fraglimit":
655                         case "lives":
656                         case "laplimit":
657                         case "caplimit":
658                         {
659                                 fraglimit_normal = v;
660                                 break;
661                         }
662                         case "teampointlimit":
663                         case "teamlaplimit":
664                         {
665                                 fraglimit_teams = v;
666                                 break;
667                         }
668                         default:
669                         {
670                             handled = false;
671                             break;
672                         }
673                 }
674                 FOREACH(Gametypes, true, LAMBDA(handled |= it.m_parse_mapinfo(k, v)));
675                 if (!handled)
676             LOG_MAPWARNF("Invalid gametype setting in mapinfo for gametype %s: %s\n", MapInfo_Type_ToString(pWantedType), sa);
677         }
678
679         if (pWantedType == MAPINFO_TYPE_RACE && cvar("g_race_teams") >= 2)
680         {
681                 if(fraglimit_teams)
682                         cvar_set("fraglimit", fraglimit_teams);
683         }
684         else
685         {
686                 if(fraglimit_normal)
687                         cvar_set("fraglimit", fraglimit_normal);
688         }
689 }
690
691 Gametype MapInfo_Type(int t)
692 {
693         FOREACH(Gametypes, it.items == t, LAMBDA(return it));
694         return NULL;
695 }
696
697 int MapInfo_Type_FromString(string t)
698 {
699 #define deprecate(from, to) MACRO_BEGIN { \
700         if (t == #from) { \
701                 string replacement = #to; \
702                 LOG_MAPWARNF("MapInfo_Type_FromString (probably %s): using deprecated name '%s'. Should use '%s'.\n", MapInfo_Map_bspname, t, replacement); \
703                 t = replacement; \
704         } \
705 } MACRO_END
706         deprecate(nexball, nb);
707         deprecate(freezetag, ft);
708         deprecate(keepaway, ka);
709         deprecate(invasion, inv);
710         deprecate(assault, as);
711         deprecate(race, rc);
712         if (t == "all") return MAPINFO_TYPE_ALL;
713         FOREACH(Gametypes, it.mdl == t, LAMBDA(return it.items));
714         return 0;
715 #undef deprecate
716 }
717
718 string MapInfo_Type_Description(float t)
719 {
720         FOREACH(Gametypes, it.items == t, LAMBDA(return it.gametype_description));
721         return "";
722 }
723
724 string MapInfo_Type_ToString(float t)
725 {
726         if(t == MAPINFO_TYPE_ALL)
727                 return "all";
728         FOREACH(Gametypes, it.items == t, LAMBDA(return it.mdl));
729         return "";
730 }
731
732 string MapInfo_Type_ToText(float t)
733 {
734         FOREACH(Gametypes, it.items == t, LAMBDA(return it.message));
735         /* xgettext:no-c-format */
736         return _("@!#%'n Tuba Throwing");
737 }
738
739 void _MapInfo_Parse_Settemp(string pFilename, string acl, float type, string s, float recurse)
740 {
741         string t;
742         float fh, o;
743         t = car(s); s = cdr(s);
744
745         // limited support of "" and comments
746         //   remove trailing and leading " of t
747         if(substring(t, 0, 1) == "\"")
748         {
749                 if(substring(t, -1, 1) == "\"")
750                         t = substring(t, 1, -2);
751         }
752
753         //   remove leading " of s
754         if(substring(s, 0, 1) == "\"")
755         {
756                 s = substring(s, 1, -1);
757         }
758         //   remove trailing " of s, and all that follows (cvar description)
759         o = strstrofs(s, "\"", 0);
760         if(o >= 0)
761                 s = substring(s, 0, o);
762
763         //   remove // comments
764         o = strstrofs(s, "//", 0);
765         if(o >= 0)
766                 s = substring(s, 0, o);
767
768         //   remove trailing spaces
769         while(substring(s, -1, 1) == " ")
770                 s = substring(s, 0, -2);
771
772         if(t == "#include")
773         {
774                 if(recurse > 0)
775                 {
776                         fh = fopen(s, FILE_READ);
777                         if(fh < 0)
778                                 LOG_MAPWARN("Map ", pFilename, " references not existing config file ", s, "\n");
779                         else
780                         {
781                                 for (;;)
782                                 {
783                                         if (!((s = fgets(fh))))
784                                                 break;
785
786                                         // catch different sorts of comments
787                                         if(s == "")                    // empty lines
788                                                 continue;
789                                         if(substring(s, 0, 1) == "#")  // UNIX style
790                                                 continue;
791                                         if(substring(s, 0, 2) == "//") // C++ style
792                                                 continue;
793                                         if(substring(s, 0, 1) == "_")  // q3map style
794                                                 continue;
795
796                                         if(substring(s, 0, 4) == "set ")
797                                                 s = substring(s, 4, -1);
798                                         if(substring(s, 0, 5) == "seta ")
799                                                 s = substring(s, 5, -1);
800
801                                         _MapInfo_Parse_Settemp(pFilename, acl, type, s, recurse - 1);
802                                 }
803                                 fclose(fh);
804                         }
805                 }
806                 else
807                         LOG_MAPWARN("Map ", pFilename, " uses too many levels of inclusion\n");
808         }
809         else if(t == "")
810                 LOG_MAPWARN("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
811         else if (!cvar_value_issafe(t))
812                 LOG_MAPWARN("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
813         else if (!cvar_value_issafe(s))
814                 LOG_MAPWARN("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
815         else if(matchacl(MAPINFO_SETTEMP_ACL_SYSTEM, t) <= 0)
816                 LOG_MAPWARN("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
817         else if(matchacl(acl, t) <= 0)
818                 LOG_MAPWARN("Map ", pFilename, " contains a denied setting, ignored\n");
819         else
820         {
821                 if(type == 0) // server set
822                 {
823                         LOG_TRACE("Applying temporary setting ", t, " := ", s, "\n");
824                         if(cvar("g_campaign"))
825                                 cvar_set(t, s); // this is a wrapper and is always temporary anyway; no need to backup old values then
826                         else
827                                 cvar_settemp(t, s);
828                 }
829                 else
830                 {
831                         LOG_TRACE("Applying temporary client setting ", t, " := ", s, "\n");
832                         MapInfo_Map_clientstuff = strcat(
833                                         MapInfo_Map_clientstuff, "cl_cmd settemp \"", t, "\" \"", s, "\"\n"
834                                         );
835                 }
836         }
837 }
838
839 float MapInfo_isRedundant(string fn, string t)
840 {
841         // normalize file name
842         fn = strreplace("_", "-", fn);
843
844         // normalize visible title
845         t = strreplace(": ", "-", t);
846         t = strreplace(":", "-", t);
847         t = strreplace(" ", "-", t);
848         t = strreplace("_", "-", t);
849         t = strreplace("'", "-", t);
850
851         if(!strcasecmp(fn, t))
852                 return true;
853
854         // we allow the visible title to have punctuation the file name does
855         // not, but not vice versa
856         t = strreplace("-", "", t);
857
858         if(!strcasecmp(fn, t))
859                 return true;
860
861         return false;
862 }
863
864 // load info about a map by name into the MapInfo_Map_* globals
865 float MapInfo_Get_ByName_NoFallbacks(string pFilename, int pAllowGenerate, int pGametypeToSet)
866 {
867         string fn;
868         string s, t;
869         float fh;
870         int f, i;
871         float r, n, p;
872         string acl;
873
874         acl = MAPINFO_SETTEMP_ACL_USER;
875
876         if(strstrofs(pFilename, "/", 0) >= 0)
877         {
878                 LOG_MAPWARN("Invalid character in map name, ignored\n");
879                 return 0;
880         }
881
882         if(pGametypeToSet == 0)
883                 if(MapInfo_Cache_Retrieve(pFilename))
884                         return 1;
885
886         r = 1;
887
888         MapInfo_Map_bspname = pFilename;
889
890         // default all generic fields so they have "good" values in case something fails
891         fn = strcat("maps/", pFilename, ".mapinfo");
892         fh = fopen(fn, FILE_READ);
893         if(fh < 0)
894         {
895                 fn = strcat("maps/autogenerated/", pFilename, ".mapinfo");
896                 fh = fopen(fn, FILE_READ);
897                 if(fh < 0)
898                 {
899                         if(!pAllowGenerate)
900                                 return 0;
901                         _MapInfo_Map_Reset();
902                         r = _MapInfo_Generate(pFilename);
903                         if(!r)
904                                 return 0;
905                         fh = fopen(fn, FILE_WRITE);
906                         fputs(fh, strcat("title ", MapInfo_Map_title, "\n"));
907                         fputs(fh, strcat("description ", MapInfo_Map_description, "\n"));
908                         fputs(fh, strcat("author ", MapInfo_Map_author, "\n"));
909                         if(_MapInfo_Map_worldspawn_music != "")
910                         {
911                                 if(
912                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".wav"
913                                         ||
914                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".ogg"
915                                 )
916                                         fputs(fh, strcat("cdtrack ", substring(_MapInfo_Map_worldspawn_music, 0, strlen(_MapInfo_Map_worldspawn_music) - 4), "\n"));
917                                 else
918                                         fputs(fh, strcat("cdtrack ", _MapInfo_Map_worldspawn_music, "\n"));
919                         }
920                         else
921                         {
922                                 n = tokenize_console(cvar_string("g_cdtracks_remaplist"));
923                                 s = strcat(" ", cvar_string("g_cdtracks_dontusebydefault"), " ");
924                                 for (;;)
925                                 {
926                                         i = floor(random() * n);
927                                         if(strstrofs(s, strcat(" ", argv(i), " "), 0) < 0)
928                                                 break;
929                                 }
930                                 fputs(fh, strcat("cdtrack ", ftos(i + 1), "\n"));
931                         }
932                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_WEAPONS)
933                                 fputs(fh, "has weapons\n");
934                         else
935                                 fputs(fh, "// uncomment this if you added weapon pickups: has weapons\n");
936                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_TURRETS)
937                                 fputs(fh, "has turrets\n");
938                         else
939                                 fputs(fh, "// uncomment this if you added turrets: has turrets\n");
940                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_VEHICLES)
941                                 fputs(fh, "has vehicles\n");
942                         else
943                                 fputs(fh, "// uncomment this if you added vehicles: has vehicles\n");
944                         if(MapInfo_Map_flags & MAPINFO_FLAG_FRUSTRATING)
945                                 fputs(fh, "frustrating\n");
946
947                         for(i = 1; i <= MapInfo_Map_supportedGametypes; i *= 2)
948                                 if(MapInfo_Map_supportedGametypes & i)
949                                         fputs(fh, sprintf("gametype %s // defaults: %s\n", MapInfo_Type_ToString(i), _MapInfo_GetDefaultEx(i)));
950
951                         if(fexists(strcat("scripts/", pFilename, ".arena")))
952                                 fputs(fh, "settemp_for_type all sv_q3acompat_machineshotgunswap 1\n");
953
954                         fputs(fh, "// optional: fog density red green blue alpha mindist maxdist\n");
955                         fputs(fh, "// optional: settemp_for_type (all|gametypename) cvarname value\n");
956                         fputs(fh, "// optional: clientsettemp_for_type (all|gametypename) cvarname value\n");
957                         fputs(fh, "// optional: size mins_x mins_y mins_z maxs_x maxs_y maxs_z\n");
958                         fputs(fh, "// optional: hidden\n");
959
960                         fclose(fh);
961                         r = 2;
962                         // return r;
963                         fh = fopen(fn, FILE_READ);
964                         if(fh < 0)
965                                 error("... but I just wrote it!");
966                 }
967
968                 LOG_MAPWARN("autogenerated mapinfo file ", fn, " has been loaded; please edit that file and move it to maps/", pFilename, ".mapinfo\n");
969         }
970
971         _MapInfo_Map_Reset();
972         for (;;)
973         {
974                 if (!((s = fgets(fh))))
975                         break;
976
977                 // catch different sorts of comments
978                 if(s == "")                    // empty lines
979                         continue;
980                 if(substring(s, 0, 1) == "#")  // UNIX style
981                         continue;
982                 if(substring(s, 0, 2) == "//") // C++ style
983                         continue;
984                 if(substring(s, 0, 1) == "_")  // q3map style
985                         continue;
986
987                 p = strstrofs(s, "//", 0);
988                 if(p >= 0)
989                         s = substring(s, 0, p);
990
991                 t = car(s); s = cdr(s);
992                 if(t == "title")
993                         MapInfo_Map_title = s;
994                 else if(t == "description")
995                         MapInfo_Map_description = s;
996                 else if(t == "author")
997                         MapInfo_Map_author = s;
998                 else if(t == "has")
999                 {
1000                         t = car(s); // s = cdr(s);
1001                         if     (t == "weapons") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
1002                         else if(t == "turrets") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
1003                         else if(t == "vehicles") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
1004                         else if(t == "monsters") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_MONSTERS;
1005                         else if(t == "new_toys") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
1006                         else
1007                                 LOG_MAPWARN("Map ", pFilename, " supports unknown feature ", t, ", ignored\n");
1008                 }
1009                 else if(t == "hidden")
1010                 {
1011                         MapInfo_Map_flags |= MAPINFO_FLAG_HIDDEN;
1012                 }
1013                 else if(t == "forbidden")
1014                 {
1015                         MapInfo_Map_flags |= MAPINFO_FLAG_FORBIDDEN;
1016                 }
1017                 else if(t == "frustrating")
1018                 {
1019                         MapInfo_Map_flags |= MAPINFO_FLAG_FRUSTRATING;
1020                 }
1021                 else if(t == "noautomaplist")
1022                 {
1023                         MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
1024                 }
1025                 else if(t == "gameversion_min")
1026                 {
1027                         if (cvar("gameversion") < stof(s))
1028                                 MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
1029                 }
1030                 else if(t == "type")
1031                 {
1032                         t = car(s); s = cdr(s);
1033                         f = MapInfo_Type_FromString(t);
1034                         LOG_MAPWARN("Map ", pFilename, " contains the legacy 'type' keyword which is deprecated and will be removed in the future. Please migrate the mapinfo file to 'gametype'.\n");
1035                         if(f)
1036                                 _MapInfo_Map_ApplyGametype (s, pGametypeToSet, f, true);
1037                         else
1038                                 LOG_MAPWARN("Map ", pFilename, " supports unknown game type ", t, ", ignored\n");
1039                 }
1040                 else if(t == "gametype")
1041                 {
1042                         t = car(s); s = cdr(s);
1043                         f = MapInfo_Type_FromString(t);
1044                         if(f)
1045                                 _MapInfo_Map_ApplyGametypeEx (s, pGametypeToSet, f);
1046                         else
1047                                 LOG_MAPWARN("Map ", pFilename, " supports unknown game type ", t, ", ignored\n");
1048                 }
1049                 else if(t == "size")
1050                 {
1051                         float a, b, c, d, e;
1052                         t = car(s); s = cdr(s); a = stof(t);
1053                         t = car(s); s = cdr(s); b = stof(t);
1054                         t = car(s); s = cdr(s); c = stof(t);
1055                         t = car(s); s = cdr(s); d = stof(t);
1056                         t = car(s); s = cdr(s); e = stof(t);
1057                         if(s == "")
1058                                 LOG_MAPWARN("Map ", pFilename, " contains an incorrect size line (not enough params), syntax: size mins_x mins_y mins_z maxs_x maxs_y maxs_z\n");
1059                         else
1060                         {
1061                                 t = car(s); s = cdr(s); f = stof(t);
1062                                 if(s != "")
1063                                         LOG_MAPWARN("Map ", pFilename, " contains an incorrect size line (too many params), syntax: size mins_x mins_y mins_z maxs_x maxs_y maxs_z\n");
1064                                 else
1065                                 {
1066                                         if(a >= d || b >= e || c >= f)
1067                                                 LOG_MAPWARN("Map ", pFilename, " contains an incorrect size line, mins have to be < maxs\n");
1068                                         else
1069                                         {
1070                                                 MapInfo_Map_mins.x = a;
1071                                                 MapInfo_Map_mins.y = b;
1072                                                 MapInfo_Map_mins.z = c;
1073                                                 MapInfo_Map_maxs.x = d;
1074                                                 MapInfo_Map_maxs.y = e;
1075                                                 MapInfo_Map_maxs.z = f;
1076                                         }
1077                                 }
1078                         }
1079                 }
1080                 else if(t == "settemp_for_type")
1081                 {
1082                         t = car(s); s = cdr(s);
1083                         if((f = MapInfo_Type_FromString(t)))
1084                         {
1085                                 if(f & pGametypeToSet)
1086                                 {
1087                                         _MapInfo_Parse_Settemp(pFilename, acl, 0, s, 1);
1088                                 }
1089                         }
1090                         else
1091                         {
1092                                 LOG_MAPWARN("Map ", pFilename, " has a setting for unknown game type ", t, ", ignored\n");
1093                         }
1094                 }
1095                 else if(t == "clientsettemp_for_type")
1096                 {
1097                         t = car(s); s = cdr(s);
1098                         if((f = MapInfo_Type_FromString(t)))
1099                         {
1100                                 if(f & pGametypeToSet)
1101                                 {
1102                                         _MapInfo_Parse_Settemp(pFilename, acl, 1, s, 1);
1103                                 }
1104                         }
1105                         else
1106                         {
1107                                 LOG_MAPWARN("Map ", pFilename, " has a client setting for unknown game type ", t, ", ignored\n");
1108                         }
1109                 }
1110                 else if(t == "fog")
1111                 {
1112                         if (!cvar_value_issafe(s))
1113                                 LOG_MAPWARN("Map ", pFilename, " contains a potentially harmful fog setting, ignored\n");
1114                         else
1115                                 MapInfo_Map_fog = s;
1116                 }
1117                 else if(t == "cdtrack")
1118                 {
1119                         t = car(s); s = cdr(s);
1120                         // We do this only if pGametypeToSet even though this
1121                         // content is theoretically game type independent,
1122                         // because MapInfo_Map_clientstuff contains otherwise
1123                         // game type dependent stuff. That way this value stays
1124                         // empty when not setting a game type to not set any
1125                         // false expectations.
1126                         if(pGametypeToSet)
1127                         {
1128                                 if (!cvar_value_issafe(t))
1129                                         LOG_MAPWARN("Map ", pFilename, " contains a potentially harmful cdtrack, ignored\n");
1130                                 else
1131                                         MapInfo_Map_clientstuff = strcat(
1132                                                 MapInfo_Map_clientstuff, "cd loop \"", t, "\"\n"
1133                                         );
1134                         }
1135                 }
1136                 else
1137                         LOG_MAPWARN("Map ", pFilename, " provides unknown info item ", t, ", ignored\n");
1138         }
1139         fclose(fh);
1140
1141         if(MapInfo_Map_title == "<TITLE>")
1142                 MapInfo_Map_titlestring = MapInfo_Map_bspname;
1143         else if(MapInfo_isRedundant(MapInfo_Map_bspname, MapInfo_Map_title))
1144                 MapInfo_Map_titlestring = MapInfo_Map_title;
1145         else
1146                 MapInfo_Map_titlestring = sprintf("%s: %s", MapInfo_Map_bspname, MapInfo_Map_title);
1147
1148         MapInfo_Cache_Store();
1149         if(MapInfo_Map_supportedGametypes != 0)
1150                 return r;
1151         LOG_MAPWARN("Map ", pFilename, " supports no game types, ignored\n");
1152         return 0;
1153 }
1154 float MapInfo_Get_ByName(string pFilename, float pAllowGenerate, int pGametypeToSet)
1155 {
1156         float r = MapInfo_Get_ByName_NoFallbacks(pFilename, pAllowGenerate, pGametypeToSet);
1157
1158         if(cvar("g_tdm_on_dm_maps"))
1159         {
1160                 // if this is set, all DM maps support TDM too
1161                 if (!(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_TEAM_DEATHMATCH))
1162                         if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_DEATHMATCH)
1163                                 _MapInfo_Map_ApplyGametypeEx ("", pGametypeToSet, MAPINFO_TYPE_TEAM_DEATHMATCH);
1164         }
1165
1166         if(pGametypeToSet)
1167         {
1168                 if(!(MapInfo_Map_supportedGametypes & pGametypeToSet))
1169                 {
1170                         error("Can't select the requested game type. This should never happen as the caller should prevent it!\n");
1171                         //_MapInfo_Map_ApplyGametypeEx("", pGametypeToSet, MAPINFO_TYPE_DEATHMATCH);
1172                         //return;
1173                 }
1174         }
1175
1176         return r;
1177 }
1178
1179 float MapInfo_FindName(string s)
1180 {
1181         // if there is exactly one map of prefix s, return it
1182         // if not, return the null string
1183         // note that DP sorts glob results... so I can use a binary search
1184         float l, r, m, cmp;
1185         l = 0;
1186         r = MapInfo_count;
1187         // invariants: r is behind s, l-1 is equal or before
1188         while(l != r)
1189         {
1190                 m = floor((l + r) / 2);
1191                 MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(m));
1192                 cmp = strcasecmp(MapInfo_FindName_match, s);
1193                 if(cmp == 0)
1194                         return m; // found and good
1195                 if(cmp < 0)
1196                         l = m + 1; // l-1 is before s
1197                 else
1198                         r = m; // behind s
1199         }
1200         MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(l));
1201         MapInfo_FindName_firstResult = l;
1202         // r == l, so: l is behind s, l-1 is before
1203         // SO: if there is any, l is the one with the right prefix
1204         //     and l+1 may be one too
1205         if(l == MapInfo_count)
1206         {
1207                 MapInfo_FindName_match = string_null;
1208                 MapInfo_FindName_firstResult = -1;
1209                 return -1; // no MapInfo_FindName_match, behind last item
1210         }
1211         if(!startsWithNocase(MapInfo_FindName_match, s))
1212         {
1213                 MapInfo_FindName_match = string_null;
1214                 MapInfo_FindName_firstResult = -1;
1215                 return -1; // wrong prefix
1216         }
1217         if(l == MapInfo_count - 1)
1218                 return l; // last one, nothing can follow => unique
1219         if(startsWithNocase(_MapInfo_GlobItem(MapInfo_FilterList_Lookup(l + 1)), s))
1220         {
1221                 MapInfo_FindName_match = string_null;
1222                 return -1; // ambigous MapInfo_FindName_match
1223         }
1224         return l;
1225 }
1226
1227 string MapInfo_FixName(string s)
1228 {
1229         MapInfo_FindName(s);
1230         return MapInfo_FindName_match;
1231 }
1232
1233 int MapInfo_CurrentFeatures()
1234 {
1235         int req = 0;
1236         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")))
1237                 req |= MAPINFO_FEATURE_WEAPONS;
1238         return req;
1239 }
1240
1241 int MapInfo_CurrentGametype()
1242 {
1243         int prev = cvar("gamecfg");
1244         FOREACH(Gametypes, cvar(it.netname) && it.items != prev, LAMBDA(return it.items));
1245         if (prev) return prev;
1246         return MAPINFO_TYPE_DEATHMATCH;
1247 }
1248
1249 float _MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
1250 {
1251         if(!MapInfo_Get_ByName(s, 1, 0))
1252                 return 0;
1253         if((MapInfo_Map_supportedGametypes & MapInfo_CurrentGametype()) == 0)
1254                 return 0;
1255         if((MapInfo_Map_supportedFeatures & MapInfo_CurrentFeatures()) != MapInfo_CurrentFeatures())
1256                 return 0;
1257         return 1;
1258 }
1259
1260 float MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
1261 {
1262         float r;
1263         r = _MapInfo_CheckMap(s);
1264         MapInfo_ClearTemps();
1265         return r;
1266 }
1267
1268 void MapInfo_SwitchGameType(int t)
1269 {
1270         FOREACH(Gametypes, true, LAMBDA(
1271                 cvar_set(it.netname, (it.items == t) ? "1" : "0")
1272         ));
1273 }
1274
1275 void MapInfo_LoadMap(string s, float reinit)
1276 {
1277         MapInfo_Map_supportedGametypes = 0;
1278         // we shouldn't need this, as LoadMapSettings already fixes the gametype
1279         //if(!MapInfo_CheckMap(s))
1280         //{
1281         //      print("EMERGENCY: can't play the selected map in the given game mode. Falling back to DM.\n");
1282         //      MapInfo_SwitchGameType(MAPINFO_TYPE_DEATHMATCH);
1283         //}
1284
1285         cvar_settemp_restore();
1286         if(reinit)
1287                 localcmd(strcat("\nmap ", s, "\n"));
1288         else
1289                 localcmd(strcat("\nchangelevel ", s, "\n"));
1290 }
1291
1292 string MapInfo_ListAllowedMaps(float type, float pRequiredFlags, float pForbiddenFlags)
1293 {
1294         string out;
1295         float i;
1296
1297         // to make absolutely sure:
1298         MapInfo_Enumerate();
1299         MapInfo_FilterGametype(type, MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1300
1301         out = "";
1302         for(i = 0; i < MapInfo_count; ++i)
1303                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1304         return substring(out, 1, strlen(out) - 1);
1305 }
1306
1307 string MapInfo_ListAllAllowedMaps(float pRequiredFlags, float pForbiddenFlags)
1308 {
1309         string out;
1310         float i;
1311
1312         // to make absolutely sure:
1313         MapInfo_Enumerate();
1314         MapInfo_FilterGametype(MAPINFO_TYPE_ALL, 0, pRequiredFlags, pForbiddenFlags, 0);
1315
1316         out = "";
1317         for(i = 0; i < MapInfo_count; ++i)
1318                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1319
1320         MapInfo_FilterGametype(MapInfo_CurrentGametype(), MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1321
1322         return substring(out, 1, strlen(out) - 1);
1323 }
1324
1325 void MapInfo_LoadMapSettings_SaveGameType(float t)
1326 {
1327         MapInfo_SwitchGameType(t);
1328         cvar_set("gamecfg", ftos(t));
1329         MapInfo_LoadedGametype = t;
1330 }
1331
1332 void MapInfo_LoadMapSettings(string s) // to be called from worldspawn
1333 {
1334         float t;
1335
1336         t = MapInfo_CurrentGametype();
1337         MapInfo_LoadMapSettings_SaveGameType(t);
1338
1339         if(!_MapInfo_CheckMap(s)) // with underscore, it keeps temps
1340         {
1341                 if(cvar("g_mapinfo_allow_unsupported_modes_and_let_stuff_break"))
1342                 {
1343                         LOG_SEVERE("can't play the selected map in the given game mode. Working with only the override settings.\n");
1344                         _MapInfo_Map_ApplyGametypeEx("", t, t);
1345                         return; // do not call Get_ByName!
1346                 }
1347
1348                 if(MapInfo_Map_supportedGametypes == 0)
1349                 {
1350                         LOG_SEVERE("Mapinfo system is not functional at all. Assuming deathmatch.\n");
1351                         MapInfo_Map_supportedGametypes = MAPINFO_TYPE_DEATHMATCH;
1352                         MapInfo_LoadMapSettings_SaveGameType(MAPINFO_TYPE_DEATHMATCH);
1353                         _MapInfo_Map_ApplyGametypeEx("", MAPINFO_TYPE_DEATHMATCH, MAPINFO_TYPE_DEATHMATCH);
1354                         return; // do not call Get_ByName!
1355                 }
1356
1357                 t = 1;
1358                 while(!(MapInfo_Map_supportedGametypes & 1))
1359                 {
1360                         t *= 2;
1361                         MapInfo_Map_supportedGametypes = floor(MapInfo_Map_supportedGametypes / 2);
1362                 }
1363
1364                 // t is now a supported mode!
1365                 LOG_WARNING("can't play the selected map in the given game mode. Falling back to a supported mode.\n");
1366                 MapInfo_LoadMapSettings_SaveGameType(t);
1367         }
1368         MapInfo_Get_ByName(s, 1, t);
1369 }
1370
1371 void MapInfo_ClearTemps()
1372 {
1373         MapInfo_Map_bspname = string_null;
1374         MapInfo_Map_title = string_null;
1375         MapInfo_Map_titlestring = string_null;
1376         MapInfo_Map_description = string_null;
1377         MapInfo_Map_author = string_null;
1378         MapInfo_Map_clientstuff = string_null;
1379         MapInfo_Map_supportedGametypes = 0;
1380         MapInfo_Map_supportedFeatures = 0;
1381 }
1382
1383 void MapInfo_Shutdown()
1384 {
1385         MapInfo_ClearTemps();
1386         MapInfo_Filter_Free();
1387         MapInfo_Cache_Destroy();
1388         if(_MapInfo_globopen)
1389         {
1390                 search_end(_MapInfo_globhandle);
1391                 _MapInfo_globhandle = -1;
1392                 _MapInfo_globopen = false;
1393         }
1394 }
1395
1396 int MapInfo_ForbiddenFlags()
1397 {
1398         int f = MAPINFO_FLAG_FORBIDDEN;
1399
1400 #ifndef MENUQC
1401         if (!cvar("g_maplist_allow_hidden"))
1402 #endif
1403                 f |= MAPINFO_FLAG_HIDDEN;
1404
1405         if (!cvar("g_maplist_allow_frustrating"))
1406                 f |= MAPINFO_FLAG_FRUSTRATING;
1407
1408         return f;
1409 }
1410
1411 int MapInfo_RequiredFlags()
1412 {
1413         int f = 0;
1414
1415         if(cvar("g_maplist_allow_frustrating") > 1)
1416                 f |= MAPINFO_FLAG_FRUSTRATING;
1417
1418         return f;
1419 }