Fix compilation with gmqcc.
[xonotic/xonotic-data.pk3dir.git] / qcsrc / common / mapinfo.qc
1 // generic string stuff
2
3 float _MapInfo_Cache_Active;
4 float _MapInfo_Cache_DB_NameToIndex;
5 float _MapInfo_Cache_Buf_IndexToMapData;
6
7 void MapInfo_Cache_Destroy()
8 {
9         if(!_MapInfo_Cache_Active)
10                 return;
11
12         db_close(_MapInfo_Cache_DB_NameToIndex);
13         buf_del(_MapInfo_Cache_Buf_IndexToMapData);
14         _MapInfo_Cache_Active = 0;
15 }
16
17 void MapInfo_Cache_Create()
18 {
19         MapInfo_Cache_Destroy();
20         _MapInfo_Cache_DB_NameToIndex = db_create();
21         _MapInfo_Cache_Buf_IndexToMapData = buf_create();
22         _MapInfo_Cache_Active = 1;
23 }
24
25 void MapInfo_Cache_Invalidate()
26 {
27         if(!_MapInfo_Cache_Active)
28                 return;
29
30         MapInfo_Cache_Create();
31 }
32
33 void MapInfo_Cache_Store()
34 {
35         float i;
36         string s;
37         if(!_MapInfo_Cache_Active)
38                 return;
39
40         s = db_get(_MapInfo_Cache_DB_NameToIndex, MapInfo_Map_bspname);
41         if(s == "")
42         {
43                 i = buf_getsize(_MapInfo_Cache_Buf_IndexToMapData);
44                 db_put(_MapInfo_Cache_DB_NameToIndex, MapInfo_Map_bspname, ftos(i));
45         }
46         else
47                 i = stof(s);
48
49         // now store all the stuff
50         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData,   i, MapInfo_Map_bspname);
51         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_title);
52         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_titlestring);
53         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_description);
54         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_author);
55         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_supportedGametypes));
56         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_supportedFeatures));
57         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_flags));
58 }
59
60 float MapInfo_Cache_Retrieve(string map)
61 {
62         float i;
63         string s;
64         if(!_MapInfo_Cache_Active)
65                 return 0;
66
67         s = db_get(_MapInfo_Cache_DB_NameToIndex, map);
68         if(s == "")
69                 return 0;
70         i = stof(s);
71
72         // now retrieve all the stuff
73         MapInfo_Map_bspname = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, i);
74         MapInfo_Map_title = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
75         MapInfo_Map_titlestring = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
76         MapInfo_Map_description = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
77         MapInfo_Map_author = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
78         MapInfo_Map_supportedGametypes = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
79         MapInfo_Map_supportedFeatures = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
80         MapInfo_Map_flags = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
81
82         return 1;
83 }
84
85 // GLOB HANDLING (for all BSP files)
86 float _MapInfo_globopen;
87 float _MapInfo_globcount; 
88 float _MapInfo_globhandle;
89 string _MapInfo_GlobItem(float i)
90 {
91         string s;
92         if(!_MapInfo_globopen)
93                 return string_null;
94         s = search_getfilename(_MapInfo_globhandle, i);
95         return substring(s, 5, strlen(s) - 9); // without maps/ and .bsp
96 }
97
98 void MapInfo_Enumerate()
99 {
100         if(_MapInfo_globopen)
101         {
102                 search_end(_MapInfo_globhandle);
103                 _MapInfo_globopen = 0;
104         }
105         MapInfo_Cache_Invalidate();
106         _MapInfo_globhandle = search_begin("maps/*.bsp", TRUE, TRUE);
107         if(_MapInfo_globhandle >= 0)
108         {
109                 _MapInfo_globcount = search_getsize(_MapInfo_globhandle);
110                 _MapInfo_globopen = 1;
111         }
112         else
113                 _MapInfo_globcount = 0;
114 }
115
116 // filter the info by game type mask (updates MapInfo_count)
117 //
118 float _MapInfo_filtered;
119 float _MapInfo_filtered_allocated;
120 float MapInfo_FilterList_Lookup(float i)
121 {
122         return stof(bufstr_get(_MapInfo_filtered, i));
123 }
124
125 void _MapInfo_FilterList_swap(float i, float j, entity pass)
126 {
127         string h;
128         h = bufstr_get(_MapInfo_filtered, i);
129         bufstr_set(_MapInfo_filtered, i, bufstr_get(_MapInfo_filtered, j));
130         bufstr_set(_MapInfo_filtered, j, h);
131 }
132
133 float _MapInfo_FilterList_cmp(float i, float j, entity pass)
134 {
135         string a, b;
136         a = _MapInfo_GlobItem(stof(bufstr_get(_MapInfo_filtered, i)));
137         b = _MapInfo_GlobItem(stof(bufstr_get(_MapInfo_filtered, j)));
138         return strcasecmp(a, b);
139 }
140
141 float MapInfo_FilterGametype(float pGametype, float pFeatures, float pFlagsRequired, float pFlagsForbidden, float pAbortOnGenerate)
142 {
143         float i, j;
144         if not(_MapInfo_filtered_allocated)
145         {
146                 _MapInfo_filtered_allocated = 1;
147                 _MapInfo_filtered = buf_create();
148         }
149         MapInfo_count = 0;
150         for(i = 0, j = -1; i < _MapInfo_globcount; ++i)
151         {
152                 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.
153                         if(pAbortOnGenerate)
154                         {
155                                 dprint("Autogenerated a .mapinfo, doing the rest later.\n");
156                                 MapInfo_progress = i / _MapInfo_globcount;
157                                 return 0;
158                         }
159                 if((MapInfo_Map_supportedGametypes & pGametype) != 0)
160                 if((MapInfo_Map_supportedFeatures & pFeatures) == pFeatures)
161                 if((MapInfo_Map_flags & pFlagsForbidden) == 0)
162                 if((MapInfo_Map_flags & pFlagsRequired) == pFlagsRequired)
163                         bufstr_set(_MapInfo_filtered, ++j, ftos(i));
164         }
165         MapInfo_count = j + 1;
166         MapInfo_ClearTemps();
167         
168         // sometimes the glob isn't sorted nicely, so fix it here...
169         heapsort(MapInfo_count, _MapInfo_FilterList_swap, _MapInfo_FilterList_cmp, world);
170
171         return 1;
172 }
173
174 void MapInfo_Filter_Free()
175 {
176         if(_MapInfo_filtered_allocated)
177         {
178                 buf_del(_MapInfo_filtered);
179                 _MapInfo_filtered_allocated = 0;
180         }
181 }
182
183 // load info about the i-th map into the MapInfo_Map_* globals
184 string MapInfo_BSPName_ByID(float i)
185 {
186         return _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i));
187 }
188
189 string unquote(string s)
190 {
191         float i, j, l;
192         l = strlen(s);
193         j = -1;
194         for(i = 0; i < l; ++i)
195         {
196                 string ch;
197                 ch = substring(s, i, 1);
198                 if(ch != " ") if(ch != "\"")
199                 {
200                         for(j = strlen(s) - i - 1; j > 0; --j)
201                         {
202                                 ch = substring(s, i+j, 1);
203                                 if(ch != " ") if(ch != "\"")
204                                         return substring(s, i, j+1);
205                         }
206                         return substring(s, i, 1);
207                 }
208         }
209         return "";
210 }
211
212 float MapInfo_Get_ByID(float i)
213 {
214         if(MapInfo_Get_ByName(MapInfo_BSPName_ByID(i), 0, 0))
215                 return 1;
216         return 0;
217 }
218
219 string _MapInfo_Map_worldspawn_music;
220
221 float _MapInfo_Generate(string pFilename) // 0: failure, 1: ok ent, 2: ok bsp
222 {
223         string fn;
224         float fh;
225         string s, k, v;
226         vector o;
227         float i;
228         float inWorldspawn;
229         float r;
230         float twoBaseModes;
231         float diameter, spawnpoints;
232         float spawnplaces;
233
234         vector mapMins, mapMaxs;
235
236         r = 1;
237         fn = strcat("maps/", pFilename, ".ent");
238         fh = fopen(fn, FILE_READ);
239         if(fh < 0)
240         {
241                 r = 2;
242                 fn = strcat("maps/", pFilename, ".bsp");
243                 fh = fopen(fn, FILE_READ);
244         }
245         if(fh < 0)
246                 return 0;
247         print("Analyzing ", fn, " to generate initial mapinfo\n");
248
249         inWorldspawn = 2;
250         MapInfo_Map_flags = 0;
251         MapInfo_Map_supportedGametypes = 0;
252         spawnpoints = 0;
253         spawnplaces = 0;
254         _MapInfo_Map_worldspawn_music = "";
255         mapMins = '0 0 0';
256         mapMaxs = '0 0 0';
257
258         for(;;)
259         {
260                 if not((s = fgets(fh)))
261                         break;
262                 if(inWorldspawn == 1)
263                         if(startsWith(s, "}"))
264                                 inWorldspawn = 0;
265                 k = unquote(car(s));
266                 v = unquote(cdr(s));
267                 if(inWorldspawn)
268                 {
269                         if(k == "classname" && v == "worldspawn")
270                                 inWorldspawn = 1;
271                         else if(k == "author")
272                                 MapInfo_Map_author = v;
273                         else if(k == "_description")
274                                 MapInfo_Map_description = v;
275                         else if(k == "music")
276                                 _MapInfo_Map_worldspawn_music = v;
277                         else if(k == "noise")
278                                 _MapInfo_Map_worldspawn_music = v;
279                         else if(k == "message")
280                         {
281                                 i = strstrofs(v, " by ", 0);
282                                 if(MapInfo_Map_author == "<AUTHOR>" && i >= 0)
283                                 {
284                                         MapInfo_Map_title = substring(v, 0, i);
285                                         MapInfo_Map_author = substring(v, i + 4, strlen(v) - (i + 4));
286                                 }
287                                 else
288                                         MapInfo_Map_title = v;
289                         }
290                 }
291                 else
292                 {
293                         if(k == "origin")
294                         {
295                                 o = stov(strcat("'", v, "'"));
296                                 mapMins_x = min(mapMins_x, o_x);
297                                 mapMins_y = min(mapMins_y, o_y);
298                                 mapMins_z = min(mapMins_z, o_z);
299                                 mapMaxs_x = max(mapMaxs_x, o_x);
300                                 mapMaxs_y = max(mapMaxs_y, o_y);
301                                 mapMaxs_z = max(mapMaxs_z, o_z);
302                         }
303                         else if(k == "race_place")
304                         {
305                                 if(stof(v) > 0)
306                                         spawnplaces = 1;
307                         }
308                         else if(k == "classname")
309                         {
310                                 if(v == "dom_controlpoint")
311                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_DOMINATION;
312                                 else if(v == "item_flag_team2")
313                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTF;
314                                 else if(v == "team_CTF_blueflag")
315                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTF;
316                                 else if(v == "target_assault_roundend")
317                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_ASSAULT;
318                                 else if(v == "onslaught_generator")
319                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_ONSLAUGHT;
320                                 else if(substring(v, 0, 8) == "nexball_" || substring(v, 0, 4) == "ball")
321                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_NEXBALL;
322                                 else if(v == "info_player_team1")
323                                         ++spawnpoints;
324                                 else if(v == "info_player_team2")
325                                         ++spawnpoints;
326                                 else if(v == "info_player_start")
327                                         ++spawnpoints;
328                                 else if(v == "info_player_deathmatch")
329                                         ++spawnpoints;
330                                 else if(v == "trigger_race_checkpoint")
331                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_RACE;
332                                 else if(v == "target_startTimer")
333                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTS;
334                                 else if(v == "weapon_nex")
335                                         { }
336                                 else if(v == "weapon_railgun")
337                                         { }
338                                 else if(startsWith(v, "weapon_"))
339                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
340                                 else if(startsWith(v, "turret_"))
341                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
342                                 else if(startsWith(v, "vehicle_"))
343                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
344                                 else if(v == "target_music" || v == "trigger_music")
345                                         _MapInfo_Map_worldspawn_music = string_null; // don't use regular BGM
346                         }
347                 }
348         }
349         if(inWorldspawn)
350         {
351                 print(fn, " ended still in worldspawn, BUG\n");
352                 return 0;
353         }
354         diameter = vlen(mapMaxs - mapMins);
355
356         twoBaseModes = MapInfo_Map_supportedGametypes & (MAPINFO_TYPE_CTF | MAPINFO_TYPE_ASSAULT | MAPINFO_TYPE_RACE | MAPINFO_TYPE_NEXBALL);
357         if(twoBaseModes && (MapInfo_Map_supportedGametypes == twoBaseModes))
358         {
359                 // we have a CTF-only or Assault-only map. Don't add other modes then,
360                 // as the map is too symmetric for them.
361         }
362         else
363         {
364                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_DEATHMATCH;      // DM always works
365                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_LMS;             // LMS always works
366                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_KEEPAWAY;                // Keepaway always works
367
368                 if(spawnpoints >= 8  && diameter > 4096) {
369                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_TEAM_DEATHMATCH;
370                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_FREEZETAG;
371                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CA;
372                 }
373                 if(                     diameter < 4096)
374                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_ARENA;
375                 if(spawnpoints >= 12 && diameter > 5120)
376                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_KEYHUNT;
377         }
378
379         if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_RACE)
380         if(!spawnplaces)
381         {
382                 MapInfo_Map_supportedGametypes &= ~MAPINFO_TYPE_RACE;
383                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTS;
384         }
385
386         dprint("-> diameter ",    ftos(diameter));
387         dprint(";  spawnpoints ", ftos(spawnpoints));
388         dprint(";  modes ",       ftos(MapInfo_Map_supportedGametypes), "\n");
389
390         fclose(fh);
391
392         return r;
393 }
394
395 void _MapInfo_Map_Reset()
396 {
397         MapInfo_Map_title = "<TITLE>";
398         MapInfo_Map_titlestring = "<TITLE>";
399         MapInfo_Map_description = "<DESCRIPTION>";
400         MapInfo_Map_author = "<AUTHOR>";
401         MapInfo_Map_supportedGametypes = 0;
402         MapInfo_Map_supportedFeatures = 0;
403         MapInfo_Map_flags = 0;
404         MapInfo_Map_clientstuff = "";
405         MapInfo_Map_fog = "";
406         MapInfo_Map_mins = '0 0 0';
407         MapInfo_Map_maxs = '0 0 0';
408 }
409
410 string _MapInfo_GetDefault(float t)
411 {
412         switch(t)
413         {
414                 case MAPINFO_TYPE_DEATHMATCH:      return "30 20 0";
415                 case MAPINFO_TYPE_TEAM_DEATHMATCH: return "50 20 2 0";
416                 case MAPINFO_TYPE_DOMINATION:      return "200 20 0";
417                 case MAPINFO_TYPE_CTF:             return "300 20 10 0";
418                 case MAPINFO_TYPE_LMS:             return "9 20 0";
419                 case MAPINFO_TYPE_ARENA:           return "10 20 0";
420                 case MAPINFO_TYPE_CA:              return "10 20 0";
421                 case MAPINFO_TYPE_KEYHUNT:         return "1000 20 3 0";
422                 case MAPINFO_TYPE_ASSAULT:         return "20 0";
423                 case MAPINFO_TYPE_RACE:            return "20 5 7 15 0";
424                 case MAPINFO_TYPE_ONSLAUGHT:       return "20 0";
425                 case MAPINFO_TYPE_NEXBALL:         return "5 20 0";
426                 case MAPINFO_TYPE_CTS:             return "20 0 0";
427                 case MAPINFO_TYPE_FREEZETAG:       return "10 20 0";
428                 // NOTE: DO NOT ADD ANY MORE GAME TYPES HERE
429                 // THIS IS JUST LEGACY SUPPORT FOR NEXUIZ MAPS
430                 // ONLY ADD NEW STUFF TO _MapInfo_GetDefaultEx
431                 // THIS FUNCTION WILL EVENTUALLY BE REMOVED
432                 default:                           return "";
433         }
434 }
435
436 void _MapInfo_Map_ApplyGametype(string s, float pWantedType, float pThisType, float load_default)
437 {
438         string sa;
439         MapInfo_Map_supportedGametypes |= pThisType;
440         if(!(pThisType & pWantedType))
441                 return;
442
443         if(load_default)
444                 _MapInfo_Map_ApplyGametype(_MapInfo_GetDefault(pThisType), pWantedType, pThisType, FALSE);
445         
446         if(pWantedType == MAPINFO_TYPE_ASSAULT || pWantedType == MAPINFO_TYPE_ONSLAUGHT || pWantedType == MAPINFO_TYPE_RACE || pWantedType == MAPINFO_TYPE_CTS) // these modes don't use fraglimit
447         {
448                 cvar_set("fraglimit", "0");
449         }
450         else
451         {
452                 sa = car(s);
453                 if(sa != "")
454                         cvar_set("fraglimit", sa);
455                 s = cdr(s);
456         }
457
458         sa = car(s);
459         if(sa != "")
460                 cvar_set("timelimit", sa);
461         s = cdr(s);
462
463         if(pWantedType == MAPINFO_TYPE_TEAM_DEATHMATCH)
464         {
465                 sa = car(s);
466                 if(sa != "")
467                         cvar_set("g_tdm_teams", sa);
468                 s = cdr(s);
469         }
470
471         if(pWantedType == MAPINFO_TYPE_KEYHUNT)
472         {
473                 sa = car(s);
474                 if(sa != "")
475                         cvar_set("g_keyhunt_teams", sa);
476                 s = cdr(s);
477         }
478
479         if(pWantedType == MAPINFO_TYPE_CA)
480         {
481                 sa = car(s);
482                 if(sa != "")
483                         cvar_set("g_ca_teams", sa);
484                 s = cdr(s);
485         }
486
487         if(pWantedType == MAPINFO_TYPE_FREEZETAG)
488         {
489                 sa = car(s);
490                 if(sa != "")
491                         cvar_set("g_freezetag_teams", sa);
492                 s = cdr(s);
493         }
494
495         if(pWantedType == MAPINFO_TYPE_CTF)
496         {
497                 sa = car(s);
498                 if(sa != "")
499                         cvar_set("fraglimit", sa);
500                 s = cdr(s);
501         }
502
503         /* keepaway wuz here
504         if(pWantedType == MAPINFO_TYPE_KEEPAWAY)
505         {
506                 sa = car(s);
507                 if(sa != "")
508                         cvar_set("fraglimit", sa);
509                 s = cdr(s);
510         }
511         */
512         
513         // rc = timelimit timelimit_qualification laps laps_teamplay
514         if(pWantedType == MAPINFO_TYPE_RACE)
515         {
516                 sa = car(s); if(sa == "") sa = cvar_string("timelimit");
517                 cvar_set("g_race_qualifying_timelimit", sa);
518                 s = cdr(s);
519
520                 sa = car(s);
521                 if(sa != "")
522                         if(cvar("g_race_teams") < 2)
523                                 cvar_set("fraglimit", sa);
524                 s = cdr(s);
525
526                 sa = car(s);
527                 if(sa != "")
528                         if(cvar("g_race_teams") >= 2)
529                                 cvar_set("fraglimit", sa);
530                 s = cdr(s);
531         }
532
533         if(pWantedType == MAPINFO_TYPE_CTS)
534         {
535                 sa = car(s);
536
537                 // this is the skill of the map
538                 // not parsed by anything yet
539                 // for map databases
540                 //if(sa != "")
541                 //      cvar_set("fraglimit", sa);
542
543                 s = cdr(s);
544         }
545
546         if(pWantedType == MAPINFO_TYPE_ASSAULT || pWantedType == MAPINFO_TYPE_ONSLAUGHT || pWantedType == MAPINFO_TYPE_CTS) // these modes don't use fraglimit
547         {
548                 cvar_set("leadlimit", "0");
549         }
550         else
551         {
552                 sa = car(s);
553                 if(sa != "")
554                         cvar_set("leadlimit", sa);
555                 s = cdr(s);
556         }
557 }
558
559 string _MapInfo_GetDefaultEx(float t)
560 {
561         entity e;
562         for(e = MapInfo_Type_first; e; e = e.enemy)
563                 if(t == e.items)
564                         return e.model2;
565         return "";
566 }
567
568 void _MapInfo_Map_ApplyGametypeEx(string s, float pWantedType, float pThisType)
569 {
570         string sa, k, v;
571         float p;
572         string fraglimit_normal;
573         string fraglimit_teams;
574
575         MapInfo_Map_supportedGametypes |= pThisType;
576         if(!(pThisType & pWantedType))
577                 return;
578
579         // reset all the cvars to their defaults
580
581         cvar_set("timelimit", cvar_defstring("timelimit"));
582         cvar_set("leadlimit", cvar_defstring("leadlimit"));
583         cvar_set("fraglimit", cvar_defstring("fraglimit"));
584         cvar_set("g_tdm_teams", cvar_defstring("g_tdm_teams"));
585         cvar_set("g_ca_teams", cvar_defstring("g_ca_teams"));
586         cvar_set("g_freezetag_teams", cvar_defstring("g_freezetag_teams"));
587         cvar_set("g_keyhunt_teams", cvar_defstring("g_keyhunt_teams"));
588         cvar_set("g_domination_default_teams", cvar_defstring("g_domination_default_teams"));
589         cvar_set("g_race_qualifying_timelimit", cvar_defstring("g_race_qualifying_timelimit"));
590
591         fraglimit_normal = string_null;
592         fraglimit_teams = string_null;
593
594         s = strcat(_MapInfo_GetDefaultEx(pWantedType), " ", s);
595         while(s != "")
596         {
597                 sa = car(s);
598                 s = cdr(s);
599
600                 if(sa == "")
601                         continue;
602
603                 p = strstrofs(sa, "=", 0);
604                 if(p < 0)
605                 {
606                         k = "timelimit";
607                         v = s;
608                 }
609                 else
610                 {
611                         k = substring(sa, 0, p);
612                         v = substring(sa, p+1, -1);
613                 }
614
615                 if(k == "timelimit")
616                 {
617                         cvar_set("timelimit", v);
618                 }
619                 else if(k == "leadlimit")
620                 {
621                         cvar_set("leadlimit", v);
622                 }
623                 else if(k == "pointlimit" || k == "fraglimit" || k == "lives" || k == "laplimit" || k == "caplimit")
624                 {
625                         fraglimit_normal = v;
626                 }
627                 else if(k == "teampointlimit" || k == "teamlaplimit")
628                 {
629                         fraglimit_teams = v;
630                 }
631                 else if(k == "teams")
632                 {
633                         cvar_set("g_tdm_teams", v);
634                         cvar_set("g_ca_teams", v);
635                         cvar_set("g_freezetag_teams", v);
636                         cvar_set("g_keyhunt_teams", v);
637                         cvar_set("g_domination_default_teams", v);
638                 }
639                 else if(k == "qualifying_timelimit")
640                 {
641                         cvar_set("g_race_qualifying_timelimit", v);
642                 }
643                 else if(k == "skill")
644                 {
645                         // ignore
646                 }
647                 else
648                 {
649                         print("Invalid gametype key in mapinfo: ", k, "\n");
650                 }
651         }
652
653         if(pWantedType == MAPINFO_TYPE_RACE && cvar("g_race_teams") >= 2)
654         {
655                 if(fraglimit_teams)
656                         cvar_set("fraglimit", fraglimit_teams);
657         }
658         else
659         {
660                 if(fraglimit_normal)
661                         cvar_set("fraglimit", fraglimit_normal);
662         }
663 }
664
665 float MapInfo_Type_FromString(string t)
666 {
667         entity e;
668         if(t == "nexball")
669         {
670                 print("MapInfo_Type_FromString (probably ", MapInfo_Map_bspname, "): using deprecated name '", t);
671                 t = "nb";
672                 print("'. Should use '", t, "'.\n");
673         }
674         if(t == "freezetag")
675         {
676                 print("MapInfo_Type_FromString (probably ", MapInfo_Map_bspname, "): using deprecated name '", t);
677                 t = "ft";
678                 print("'. Should use '", t, "'.\n");
679         }
680         if(t == "keepaway")
681         {
682                 print("MapInfo_Type_FromString (probably ", MapInfo_Map_bspname, "): using deprecated name '", t);
683                 t = "ka";
684                 print("'. Should use '", t, "'.\n");
685         }
686         if(t == "all")
687                 return MAPINFO_TYPE_ALL;
688         for(e = MapInfo_Type_first; e; e = e.enemy)
689                 if(t == e.mdl)
690                         return e.items;
691         return 0;
692 }
693
694 string MapInfo_Type_ToString(float t)
695 {
696         entity e;
697         if(t == MAPINFO_TYPE_ALL)     
698                 return "all";
699         for(e = MapInfo_Type_first; e; e = e.enemy)
700                 if(t == e.items)
701                         return e.mdl;
702         return "";
703 }
704
705 string MapInfo_Type_ToText(float t)
706 {
707         entity e;
708         for(e = MapInfo_Type_first; e; e = e.enemy)
709                 if(t == e.items)
710                         return e.message;
711         /* xgettext:no-c-format */
712         return _("@!#%'n Tuba Throwing");
713 }
714
715 void _MapInfo_Parse_Settemp(string pFilename, string acl, float type, string s, float recurse)
716 {
717         string t;
718         float fh, o;
719         t = car(s); s = cdr(s);
720
721         // limited support of "" and comments
722         //   remove trailing and leading " of t
723         if(substring(t, 0, 1) == "\"")
724         {
725                 if(substring(t, -1, 1) == "\"")
726                         t = substring(t, 1, -2);
727         }
728
729         //   remove leading " of s
730         if(substring(s, 0, 1) == "\"")
731         {
732                 s = substring(s, 1, -1);
733         }
734         //   remove trailing " of s, and all that follows (cvar description)
735         o = strstrofs(s, "\"", 0);
736         if(o >= 0)
737                 s = substring(s, 0, o);
738         
739         //   remove // comments
740         o = strstrofs(s, "//", 0);
741         if(o >= 0)
742                 s = substring(s, 0, o);
743         
744         //   remove trailing spaces
745         while(substring(s, -1, 1) == " ")
746                 s = substring(s, 0, -2);
747
748         if(t == "#include")
749         {
750                 if(recurse > 0)
751                 {
752                         fh = fopen(s, FILE_READ);
753                         if(fh < 0)
754                                 print("Map ", pFilename, " references not existing config file ", s, "\n");
755                         else
756                         {
757                                 for(;;)
758                                 {
759                                         if not((s = fgets(fh)))
760                                                 break;
761
762                                         // catch different sorts of comments
763                                         if(s == "")                    // empty lines
764                                                 continue;
765                                         if(substring(s, 0, 1) == "#")  // UNIX style
766                                                 continue;
767                                         if(substring(s, 0, 2) == "//") // C++ style
768                                                 continue;
769                                         if(substring(s, 0, 1) == "_")  // q3map style
770                                                 continue;
771
772                                         if(substring(s, 0, 4) == "set ")
773                                                 s = substring(s, 4, -1);
774                                         if(substring(s, 0, 5) == "seta ")
775                                                 s = substring(s, 5, -1);
776
777                                         _MapInfo_Parse_Settemp(pFilename, acl, type, s, recurse - 1);
778                                 }
779                                 fclose(fh);
780                         }
781                 }
782                 else
783                         print("Map ", pFilename, " uses too many levels of inclusion\n");
784         }
785         else if(t == "")
786                 print("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
787         else if not(cvar_value_issafe(t))
788                 print("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
789         else if not (cvar_value_issafe(s))
790                 print("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
791         else if(matchacl(MAPINFO_SETTEMP_ACL_SYSTEM, t) <= 0)
792                 print("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
793         else if(matchacl(acl, t) <= 0)
794                 print("Map ", pFilename, " contains a denied setting, ignored\n");
795         else
796         {
797                 if(type == 0) // server set
798                 {
799                         dprint("Applying temporary setting ", t, " := ", s, "\n");
800                         if(cvar("g_campaign"))
801                                 cvar_set(t, s); // this is a wrapper and is always temporary anyway; no need to backup old values then
802                         else
803                                 cvar_settemp(t, s);
804                 }
805                 else
806                 {
807                         dprint("Applying temporary client setting ", t, " := ", s, "\n");
808                         MapInfo_Map_clientstuff = strcat(
809                                         MapInfo_Map_clientstuff, "cl_cmd settemp \"", t, "\" \"", s, "\"\n"
810                                         );
811                 }
812         }
813 }
814
815 float MapInfo_isRedundant(string fn, string t)
816 {
817         // normalize file name
818         fn = strreplace("_", "-", fn);
819
820         // normalize visible title
821         t = strreplace(": ", "-", t);
822         t = strreplace(":", "-", t);
823         t = strreplace(" ", "-", t);
824         t = strreplace("_", "-", t);
825         t = strreplace("'", "-", t);
826
827         if(!strcasecmp(fn, t))
828                 return TRUE;
829
830         // we allow the visible title to have punctuation the file name does
831         // not, but not vice versa
832         t = strreplace("-", "", t);
833
834         if(!strcasecmp(fn, t))
835                 return TRUE;
836
837         return FALSE;
838 }
839
840 // load info about a map by name into the MapInfo_Map_* globals
841 float MapInfo_Get_ByName_NoFallbacks(string pFilename, float pAllowGenerate, float pGametypeToSet)
842 {
843         string fn;
844         string s, t;
845         float fh;
846         float r, f, n, i, p;
847         string acl;
848
849         acl = MAPINFO_SETTEMP_ACL_USER;
850
851         if(strstrofs(pFilename, "/", 0) >= 0)
852         {
853                 print("Invalid character in map name, ignored\n");
854                 return 0;
855         }
856
857         if(pGametypeToSet == 0)
858                 if(MapInfo_Cache_Retrieve(pFilename))
859                         return 1;
860
861         r = 1;
862
863         MapInfo_Map_bspname = pFilename;
864
865         // default all generic fields so they have "good" values in case something fails
866         fn = strcat("maps/", pFilename, ".mapinfo");
867         fh = fopen(fn, FILE_READ);
868         if(fh < 0)
869         {
870                 fn = strcat("maps/autogenerated/", pFilename, ".mapinfo");
871                 fh = fopen(fn, FILE_READ);
872                 if(fh < 0)
873                 {
874                         if(!pAllowGenerate)
875                                 return 0;
876                         _MapInfo_Map_Reset();
877                         r = _MapInfo_Generate(pFilename);
878                         if(!r)
879                                 return 0;
880                         fh = fopen(fn, FILE_WRITE);
881                         fputs(fh, strcat("title ", MapInfo_Map_title, "\n"));
882                         fputs(fh, strcat("description ", MapInfo_Map_description, "\n"));
883                         fputs(fh, strcat("author ", MapInfo_Map_author, "\n"));
884                         if(_MapInfo_Map_worldspawn_music != "")
885                         {
886                                 if(
887                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".wav"
888                                         ||
889                                         substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".ogg"
890                                 )
891                                         fputs(fh, strcat("cdtrack ", substring(_MapInfo_Map_worldspawn_music, 0, strlen(_MapInfo_Map_worldspawn_music) - 4), "\n"));
892                                 else
893                                         fputs(fh, strcat("cdtrack ", _MapInfo_Map_worldspawn_music, "\n"));
894                         }
895                         else
896                         {
897                                 n = tokenize_console(cvar_string("g_cdtracks_remaplist"));
898                                 s = strcat(" ", cvar_string("g_cdtracks_dontusebydefault"), " ");
899                                 for(;;)
900                                 {
901                                         i = floor(random() * n);
902                                         if(strstrofs(s, strcat(" ", argv(i), " "), 0) < 0)
903                                                 break;
904                                 }
905                                 fputs(fh, strcat("cdtrack ", ftos(i + 1), "\n"));
906                         }
907                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_WEAPONS)
908                                 fputs(fh, "has weapons\n");
909                         else
910                                 fputs(fh, "// uncomment this if you added weapon pickups: has weapons\n");
911                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_TURRETS)
912                                 fputs(fh, "has turrets\n");
913                         else
914                                 fputs(fh, "// uncomment this if you added turrets: has turrets\n");
915                         if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_VEHICLES)
916                                 fputs(fh, "has vehicles\n");
917                         else
918                                 fputs(fh, "// uncomment this if you added vehicles: has vehicles\n");
919                         if(MapInfo_Map_flags & MAPINFO_FLAG_FRUSTRATING)
920                                 fputs(fh, "frustrating\n");
921
922                         for(i = 1; i <= MapInfo_Map_supportedGametypes; i *= 2)
923                                 if(MapInfo_Map_supportedGametypes & i)
924                                         fputs(fh, sprintf("gametype %s // defaults: %s\n", MapInfo_Type_ToString(i), _MapInfo_GetDefaultEx(i)));
925
926                         if(fexists(strcat("scripts/", pFilename, ".arena")))
927                                 fputs(fh, "settemp_for_type all sv_q3acompat_machineshotgunswap 1\n");
928
929                         fputs(fh, "// optional: fog density red green blue alpha mindist maxdist\n");
930                         fputs(fh, "// optional: settemp_for_type (all|gametypename) cvarname value\n");
931                         fputs(fh, "// optional: clientsettemp_for_type (all|gametypename) cvarname value\n");
932                         fputs(fh, "// optional: size mins_x mins_y mins_z maxs_x maxs_y maxs_z\n");
933                         fputs(fh, "// optional: hidden\n");
934
935                         fclose(fh);
936                         r = 2;
937                         // return r;
938                         fh = fopen(fn, FILE_READ);
939                         if(fh < 0)
940                                 error("... but I just wrote it!");
941                 }
942
943                 print("WARNING: autogenerated mapinfo file ", fn, " has been loaded; please edit that file and move it to maps/", pFilename, ".mapinfo\n");
944         }
945
946         _MapInfo_Map_Reset();
947         for(;;)
948         {
949                 if not((s = fgets(fh)))
950                         break;
951
952                 // catch different sorts of comments
953                 if(s == "")                    // empty lines
954                         continue;
955                 if(substring(s, 0, 1) == "#")  // UNIX style
956                         continue;
957                 if(substring(s, 0, 2) == "//") // C++ style
958                         continue;
959                 if(substring(s, 0, 1) == "_")  // q3map style
960                         continue;
961
962                 p = strstrofs(s, "//", 0);
963                 if(p >= 0)
964                         s = substring(s, 0, p);
965
966                 t = car(s); s = cdr(s);
967                 if(t == "title")
968                         MapInfo_Map_title = s;
969                 else if(t == "description")
970                         MapInfo_Map_description = s;
971                 else if(t == "author")
972                         MapInfo_Map_author = s;
973                 else if(t == "has")
974                 {
975                         t = car(s); // s = cdr(s);
976                         if     (t == "weapons") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
977                         else if(t == "turrets") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_TURRETS;
978                         else if(t == "vehicles") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_VEHICLES;
979                         else if(t == "new_toys") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
980                         else
981                                 dprint("Map ", pFilename, " supports unknown feature ", t, ", ignored\n");
982                 }
983                 else if(t == "hidden")
984                 {
985                         MapInfo_Map_flags |= MAPINFO_FLAG_HIDDEN;
986                 }
987                 else if(t == "forbidden")
988                 {
989                         MapInfo_Map_flags |= MAPINFO_FLAG_FORBIDDEN;
990                 }
991                 else if(t == "frustrating")
992                 {
993                         MapInfo_Map_flags |= MAPINFO_FLAG_FRUSTRATING;
994                 }
995                 else if(t == "noautomaplist")
996                 {
997                         MapInfo_Map_flags |= MAPINFO_FLAG_NOAUTOMAPLIST;
998                 }
999                 else if(t == "type")
1000                 {
1001                         t = car(s); s = cdr(s);
1002                         f = MapInfo_Type_FromString(t);
1003                         print("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");
1004                         if(f)
1005                                 _MapInfo_Map_ApplyGametype (s, pGametypeToSet, f, TRUE);
1006                         else
1007                                 dprint("Map ", pFilename, " supports unknown game type ", t, ", ignored\n");
1008                 }
1009                 else if(t == "gametype")
1010                 {
1011                         t = car(s); s = cdr(s);
1012                         f = MapInfo_Type_FromString(t);
1013                         if(f)
1014                                 _MapInfo_Map_ApplyGametypeEx (s, pGametypeToSet, f);
1015                         else
1016                                 dprint("Map ", pFilename, " supports unknown game type ", t, ", ignored\n");
1017                 }
1018                 else if(t == "size")
1019                 {
1020                         float a, b, c, d, e;
1021                         t = car(s); s = cdr(s); a = stof(t);
1022                         t = car(s); s = cdr(s); b = stof(t);
1023                         t = car(s); s = cdr(s); c = stof(t);
1024                         t = car(s); s = cdr(s); d = stof(t);
1025                         t = car(s); s = cdr(s); e = stof(t);
1026                         if(s == "")
1027                                 print("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");
1028                         else
1029                         {
1030                                 t = car(s); s = cdr(s); f = stof(t);
1031                                 if(s != "")
1032                                         print("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");
1033                                 else
1034                                 {
1035                                         if(a >= d || b >= e || c >= f)
1036                                                 print("Map ", pFilename, " contains an incorrect size line, mins have to be < maxs\n");
1037                                         else
1038                                         {
1039                                                 MapInfo_Map_mins_x = a;
1040                                                 MapInfo_Map_mins_y = b;
1041                                                 MapInfo_Map_mins_z = c;
1042                                                 MapInfo_Map_maxs_x = d;
1043                                                 MapInfo_Map_maxs_y = e;
1044                                                 MapInfo_Map_maxs_z = f;
1045                                         }
1046                                 }
1047                         }
1048                 }
1049                 else if(t == "settemp_for_type")
1050                 {
1051                         t = car(s); s = cdr(s);
1052                         if((f = MapInfo_Type_FromString(t)))
1053                         {
1054                                 if(f & pGametypeToSet)
1055                                 {
1056                                         _MapInfo_Parse_Settemp(pFilename, acl, 0, s, 1);
1057                                 }
1058                         }
1059                         else
1060                         {
1061                                 dprint("Map ", pFilename, " has a setting for unknown game type ", t, ", ignored\n");
1062                         }
1063                 }
1064                 else if(t == "clientsettemp_for_type")
1065                 {
1066                         t = car(s); s = cdr(s);
1067                         if((f = MapInfo_Type_FromString(t)))
1068                         {
1069                                 if(f & pGametypeToSet)
1070                                 {
1071                                         _MapInfo_Parse_Settemp(pFilename, acl, 1, s, 1);
1072                                 }
1073                         }
1074                         else
1075                         {
1076                                 dprint("Map ", pFilename, " has a client setting for unknown game type ", t, ", ignored\n");
1077                         }
1078                 }
1079                 else if(t == "fog")
1080                 {
1081                         if not(cvar_value_issafe(s))
1082                                 print("Map ", pFilename, " contains a potentially harmful fog setting, ignored\n");
1083                         else
1084                                 MapInfo_Map_fog = s;
1085                 }
1086                 else if(t == "cdtrack")
1087                 {
1088                         t = car(s); s = cdr(s);
1089                         if(pGametypeToSet) // FIXME is this check right here?
1090                         {
1091                                 if not(cvar_value_issafe(t))
1092                                         print("Map ", pFilename, " contains a potentially harmful cdtrack, ignored\n");
1093                                 else
1094                                         MapInfo_Map_clientstuff = strcat(
1095                                                 MapInfo_Map_clientstuff, "cd loop \"", t, "\"\n"
1096                                         );
1097                         }
1098                 }
1099                 else
1100                         dprint("Map ", pFilename, " provides unknown info item ", t, ", ignored\n");
1101         }
1102         fclose(fh);
1103
1104         if(MapInfo_Map_title == "<TITLE>")
1105                 MapInfo_Map_titlestring = MapInfo_Map_bspname;
1106         else if(MapInfo_isRedundant(MapInfo_Map_bspname, MapInfo_Map_title))
1107                 MapInfo_Map_titlestring = MapInfo_Map_title;
1108         else
1109                 MapInfo_Map_titlestring = sprintf(_("%s: %s"), MapInfo_Map_bspname, MapInfo_Map_title);
1110
1111         MapInfo_Cache_Store();
1112         if(MapInfo_Map_supportedGametypes != 0)
1113                 return r;
1114         dprint("Map ", pFilename, " supports no game types, ignored\n");
1115         return 0;
1116 }
1117 float MapInfo_Get_ByName(string pFilename, float pAllowGenerate, float pGametypeToSet)
1118 {
1119         float r = MapInfo_Get_ByName_NoFallbacks(pFilename, pAllowGenerate, pGametypeToSet);
1120
1121         if(cvar("g_tdm_on_dm_maps"))
1122         {
1123                 // if this is set, all DM maps support TDM too
1124                 if not(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_TEAM_DEATHMATCH)
1125                         if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_DEATHMATCH)
1126                                 _MapInfo_Map_ApplyGametypeEx ("", pGametypeToSet, MAPINFO_TYPE_TEAM_DEATHMATCH);
1127         }
1128
1129         if(pGametypeToSet)
1130         {
1131                 if(!(MapInfo_Map_supportedGametypes & pGametypeToSet))
1132                 {
1133                         error("Can't select the requested game type. This should never happen as the caller should prevent it!\n");
1134                         //_MapInfo_Map_ApplyGametypeEx("", pGametypeToSet, MAPINFO_TYPE_DEATHMATCH);
1135                         //return;
1136                 }
1137         }
1138
1139         return r;
1140 }
1141
1142 float MapInfo_FindName(string s)
1143 {
1144         // if there is exactly one map of prefix s, return it
1145         // if not, return the null string
1146         // note that DP sorts glob results... so I can use a binary search
1147         float l, r, m, cmp;
1148         l = 0;
1149         r = MapInfo_count;
1150         // invariants: r is behind s, l-1 is equal or before
1151         while(l != r)
1152         {
1153                 m = floor((l + r) / 2);
1154                 MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(m));
1155                 cmp = strcasecmp(MapInfo_FindName_match, s);
1156                 if(cmp == 0)
1157                         return m; // found and good
1158                 if(cmp < 0)
1159                         l = m + 1; // l-1 is before s
1160                 else
1161                         r = m; // behind s
1162         }
1163         MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(l));
1164         MapInfo_FindName_firstResult = l;
1165         // r == l, so: l is behind s, l-1 is before
1166         // SO: if there is any, l is the one with the right prefix
1167         //     and l+1 may be one too
1168         if(l == MapInfo_count)
1169         {
1170                 MapInfo_FindName_match = string_null;
1171                 MapInfo_FindName_firstResult = -1;
1172                 return -1; // no MapInfo_FindName_match, behind last item
1173         }
1174         if(!startsWithNocase(MapInfo_FindName_match, s))
1175         {
1176                 MapInfo_FindName_match = string_null;
1177                 MapInfo_FindName_firstResult = -1;
1178                 return -1; // wrong prefix
1179         }
1180         if(l == MapInfo_count - 1)
1181                 return l; // last one, nothing can follow => unique
1182         if(startsWithNocase(_MapInfo_GlobItem(MapInfo_FilterList_Lookup(l + 1)), s))
1183         {
1184                 MapInfo_FindName_match = string_null;
1185                 return -1; // ambigous MapInfo_FindName_match
1186         }
1187         return l;
1188 }
1189
1190 string MapInfo_FixName(string s)
1191 {
1192         MapInfo_FindName(s);
1193         return MapInfo_FindName_match;
1194 }
1195
1196 float MapInfo_CurrentFeatures()
1197 {
1198         float req;
1199         req = 0;
1200         if(!(cvar("g_lms") || cvar("g_minstagib") || cvar("g_nix") || cvar("g_weaponarena") || !cvar("g_pickup_items") || cvar("g_race") || cvar("g_cts") || cvar("g_nexball")))
1201                 req |= MAPINFO_FEATURE_WEAPONS;
1202         return req;
1203 }
1204
1205 float MapInfo_CurrentGametype()
1206 {
1207         float prev;
1208         entity e;
1209         prev = cvar("gamecfg");
1210         for(e = MapInfo_Type_first; e; e = e.enemy)
1211                 if(cvar(e.netname))
1212                         if(prev != e.items)
1213                                 return e.items;
1214         if(prev)
1215                 return prev;
1216         return MAPINFO_TYPE_DEATHMATCH;
1217 }
1218
1219 float _MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
1220 {
1221         if(!MapInfo_Get_ByName(s, 1, 0))
1222                 return 0;
1223         if((MapInfo_Map_supportedGametypes & MapInfo_CurrentGametype()) == 0)
1224                 return 0;
1225         if((MapInfo_Map_supportedFeatures & MapInfo_CurrentFeatures()) != MapInfo_CurrentFeatures())
1226                 return 0;
1227         return 1;
1228 }
1229
1230 float MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
1231 {
1232         float r;
1233         r = _MapInfo_CheckMap(s);
1234         MapInfo_ClearTemps();
1235         return r;
1236 }
1237
1238 void MapInfo_SwitchGameType(float t)
1239 {
1240         entity e;
1241         for(e = MapInfo_Type_first; e; e = e.enemy)
1242                 cvar_set(e.netname, (t == e.items) ? "1" : "0");
1243 }
1244
1245 void MapInfo_LoadMap(string s, float reinit)
1246 {
1247         MapInfo_Map_supportedGametypes = 0;
1248         // we shouldn't need this, as LoadMapSettings already fixes the gametype
1249         //if(!MapInfo_CheckMap(s))
1250         //{
1251         //      print("EMERGENCY: can't play the selected map in the given game mode. Falling back to DM.\n");
1252         //      MapInfo_SwitchGameType(MAPINFO_TYPE_DEATHMATCH);
1253         //}
1254         
1255         cvar_settemp_restore();
1256         if(reinit)
1257                 localcmd(strcat("\nmap ", s, "\n"));
1258         else
1259                 localcmd(strcat("\nchangelevel ", s, "\n"));
1260 }
1261
1262 string MapInfo_ListAllowedMaps(float pRequiredFlags, float pForbiddenFlags)
1263 {
1264         string out;
1265         float i;
1266
1267         // to make absolutely sure:
1268         MapInfo_Enumerate();
1269         MapInfo_FilterGametype(MapInfo_CurrentGametype(), MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1270
1271         out = "";
1272         for(i = 0; i < MapInfo_count; ++i)
1273                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1274         return substring(out, 1, strlen(out) - 1);
1275 }
1276
1277 string MapInfo_ListAllAllowedMaps(float pRequiredFlags, float pForbiddenFlags)
1278 {
1279         string out;
1280         float i;
1281
1282         // to make absolutely sure:
1283         MapInfo_Enumerate();
1284         MapInfo_FilterGametype(MAPINFO_TYPE_ALL, 0, pRequiredFlags, pForbiddenFlags, 0);
1285
1286         out = "";
1287         for(i = 0; i < MapInfo_count; ++i)
1288                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
1289
1290         MapInfo_FilterGametype(MapInfo_CurrentGametype(), MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
1291
1292         return substring(out, 1, strlen(out) - 1);
1293 }
1294
1295 void MapInfo_LoadMapSettings_SaveGameType(float t)
1296 {
1297         MapInfo_SwitchGameType(t);
1298         cvar_set("gamecfg", ftos(t));
1299         MapInfo_LoadedGametype = t;
1300 }
1301
1302 void MapInfo_LoadMapSettings(string s) // to be called from worldspawn
1303 {
1304         float t;
1305
1306         t = MapInfo_CurrentGametype();
1307         MapInfo_LoadMapSettings_SaveGameType(t);
1308
1309         if(!_MapInfo_CheckMap(s)) // with underscore, it keeps temps
1310         {
1311                 if(cvar("g_mapinfo_allow_unsupported_modes_and_let_stuff_break"))
1312                 {
1313                         print("EMERGENCY: can't play the selected map in the given game mode. Working with only the override settings.\n");
1314                         _MapInfo_Map_ApplyGametypeEx("", t, t);
1315                         return; // do not call Get_ByName!
1316                 }
1317
1318                 if(MapInfo_Map_supportedGametypes == 0)
1319                 {
1320                         print("Mapinfo system is not functional at all. Assuming deathmatch.\n");
1321                         MapInfo_Map_supportedGametypes = MAPINFO_TYPE_DEATHMATCH;
1322                         MapInfo_LoadMapSettings_SaveGameType(MAPINFO_TYPE_DEATHMATCH);
1323                         _MapInfo_Map_ApplyGametypeEx("", MAPINFO_TYPE_DEATHMATCH, MAPINFO_TYPE_DEATHMATCH);
1324                         return; // do not call Get_ByName!
1325                 }
1326
1327                 t = 1;
1328                 while(!(MapInfo_Map_supportedGametypes & 1))
1329                 {
1330                         t *= 2;
1331                         MapInfo_Map_supportedGametypes = floor(MapInfo_Map_supportedGametypes / 2);
1332                 }
1333
1334                 // t is now a supported mode!
1335                 print("EMERGENCY: can't play the selected map in the given game mode. Falling back to a supported mode.\n");
1336                 MapInfo_LoadMapSettings_SaveGameType(t);
1337         }
1338         MapInfo_Get_ByName(s, 1, t);
1339 }
1340
1341 void MapInfo_ClearTemps()
1342 {
1343         MapInfo_Map_bspname = string_null;
1344         MapInfo_Map_title = string_null;
1345         MapInfo_Map_titlestring = string_null;
1346         MapInfo_Map_description = string_null;
1347         MapInfo_Map_author = string_null;
1348         MapInfo_Map_clientstuff = string_null;
1349         MapInfo_Map_supportedGametypes = 0;
1350         MapInfo_Map_supportedFeatures = 0;
1351 }
1352
1353 void MapInfo_Shutdown()
1354 {
1355         MapInfo_ClearTemps();
1356         MapInfo_Filter_Free();
1357         MapInfo_Cache_Destroy();
1358         if(_MapInfo_globopen)
1359         {
1360                 search_end(_MapInfo_globhandle);
1361                 _MapInfo_globhandle = -1;
1362                 _MapInfo_globopen = FALSE;
1363         }
1364 }
1365
1366 float MapInfo_ForbiddenFlags()
1367 {
1368         float f;
1369         f = MAPINFO_FLAG_FORBIDDEN;
1370
1371 #ifndef MENUQC
1372         if not(cvar("g_maplist_allow_hidden"))
1373 #endif
1374                 f |= MAPINFO_FLAG_HIDDEN;
1375
1376         if not(cvar("g_maplist_allow_frustrating"))
1377                 f |= MAPINFO_FLAG_FRUSTRATING;
1378
1379         return f;
1380 }
1381
1382 float MapInfo_RequiredFlags()
1383 {
1384         float f;
1385         f = 0;
1386
1387         if(cvar("g_maplist_allow_frustrating") > 1)
1388                 f |= MAPINFO_FLAG_FRUSTRATING;
1389
1390         return f;
1391 }