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