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[divverent/nexuiz.git] / data / qcsrc / common / mapinfo.qc
1 #ifdef HSOI
2 // HUGE SET - stored in a string
3 string HugeSetOfIntegers_empty()
4 {
5         return "";
6 }
7 float HugeSetOfIntegers_get(string pArr, float i)
8 {
9         return stof(substring(pArr, i * 4, 4));
10 }
11 float HugeSetOfIntegers_length(string pArr)
12 {
13         return strlen(pArr) / 4;
14 }
15 string HugeSetOfIntegers_concat(string a1, string a2)
16 {
17         return strcat(a1, a2);
18 }
19 string HugeSetOfIntegers_insert(string a1, float n, string a2)
20         // special concat function to build up large lists in less time by binary concatenation
21 {
22         string s;
23         s = strcat("    ", ftos(n));
24         return strcat(a1, substring(s, strlen(s) - 4, 4), a2);
25 }
26 #endif
27
28 // generic string stuff
29 float startsWith(string haystack, string needle)
30 {
31         return substring(haystack, 0, strlen(needle)) == needle;
32 }
33 float startsWithNocase(string haystack, string needle)
34 {
35         return strcasecmp(substring(haystack, 0, strlen(needle)), needle) == 0;
36 }
37 string extractRestOfLine(string haystack, string needle)
38 {
39         if(startsWith(haystack, needle))
40                 return substring(haystack, strlen(needle), strlen(haystack) - strlen(needle));
41         return string_null;
42 }
43 string car(string s)
44 {
45         float o;
46         o = strstrofs(s, " ", 0);
47         if(o < 0)
48                 return s;
49         return substring(s, 0, o);
50 }
51 string cdr(string s)
52 {
53         float o;
54         o = strstrofs(s, " ", 0);
55         if(o < 0)
56                 return string_null;
57         return substring(s, o + 1, strlen(s) - (o + 1));
58 }
59
60 float _MapInfo_Cache_Active;
61 float _MapInfo_Cache_DB_NameToIndex;
62 float _MapInfo_Cache_Buf_IndexToMapData;
63
64 void MapInfo_Cache_Destroy()
65 {
66         if(!_MapInfo_Cache_Active)
67                 return;
68
69         db_close(_MapInfo_Cache_DB_NameToIndex);
70         buf_del(_MapInfo_Cache_Buf_IndexToMapData);
71         _MapInfo_Cache_Active = 0;
72 }
73
74 void MapInfo_Cache_Create()
75 {
76         MapInfo_Cache_Destroy();
77         _MapInfo_Cache_DB_NameToIndex = db_create();
78         _MapInfo_Cache_Buf_IndexToMapData = buf_create();
79         _MapInfo_Cache_Active = 1;
80 }
81
82 void MapInfo_Cache_Invalidate()
83 {
84         if(!_MapInfo_Cache_Active)
85                 return;
86
87         MapInfo_Cache_Create();
88 }
89
90 void MapInfo_Cache_Store()
91 {
92         float i;
93         string s;
94         if(!_MapInfo_Cache_Active)
95                 return;
96
97         s = db_get(_MapInfo_Cache_DB_NameToIndex, MapInfo_Map_bspname);
98         if(!s) // empty string is NOT valid here!
99         {
100                 i = buf_getsize(_MapInfo_Cache_Buf_IndexToMapData);
101                 db_put(_MapInfo_Cache_DB_NameToIndex, MapInfo_Map_bspname, ftos(i));
102         }
103         else
104                 i = stof(s);
105
106         // now store all the stuff
107         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData,   i, MapInfo_Map_bspname);
108         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_title);
109         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_description);
110         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, MapInfo_Map_author);
111         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_supportedGametypes));
112         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_supportedFeatures));
113         bufstr_set(_MapInfo_Cache_Buf_IndexToMapData, ++i, ftos(MapInfo_Map_flags));
114 }
115
116 float MapInfo_Cache_Retrieve(string map)
117 {
118         float i;
119         string s;
120         if(!_MapInfo_Cache_Active)
121                 return 0;
122
123         s = db_get(_MapInfo_Cache_DB_NameToIndex, map);
124         if(!s)
125                 return 0;
126         i = stof(s);
127
128         // now retrieve all the stuff
129         MapInfo_Map_bspname = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, i);
130         MapInfo_Map_title = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
131         MapInfo_Map_description = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
132         MapInfo_Map_author = bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i);
133         MapInfo_Map_supportedGametypes = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
134         MapInfo_Map_supportedFeatures = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
135         MapInfo_Map_flags = stof(bufstr_get(_MapInfo_Cache_Buf_IndexToMapData, ++i));
136         return 1;
137 }
138
139 // GLOB HANDLING (for all BSP files)
140 float _MapInfo_globopen;
141 float _MapInfo_globcount; 
142 float _MapInfo_globhandle;
143 string _MapInfo_GlobItem(float i)
144 {
145         string s;
146         s = search_getfilename(_MapInfo_globhandle, i);
147         return substring(s, 5, strlen(s) - 9); // without maps/ and .bsp
148 }
149
150 void MapInfo_Enumerate()
151 {
152         if(_MapInfo_globopen)
153                 search_end(_MapInfo_globhandle);
154         MapInfo_Cache_Invalidate();
155         _MapInfo_globhandle = search_begin("maps/*.bsp", TRUE, TRUE);
156         _MapInfo_globcount = search_getsize(_MapInfo_globhandle);
157         _MapInfo_globopen = 1;
158 }
159
160 // filter the info by game type mask (updates MapInfo_count)
161 //
162 #ifdef HSOI
163 string _MapInfo_filtered;
164 float MapInfo_FilterList_Lookup(float i)
165 {
166         return MapInfo_FilterList_Lookup(i);
167 }
168
169 string MapInfo_FilterGametype_Recursive(float pGametype, float pFeatures, float pFlagsRequired, float pFlagsForbidden, float pBegin, float pEnd, float pAbortOnGenerate)
170 {
171         float m, valid;
172         string l, r;
173
174         if(pBegin == pEnd)
175                 return HugeSetOfIntegers_empty();
176
177         m = floor((pBegin + pEnd) / 2);
178
179         l = MapInfo_FilterGametype_Recursive(pGametype, pFeatures, pBegin, m, pAbortOnGenerate);
180         if not(l)
181                 return string_null; // BAIL OUT
182         if(MapInfo_Get_ByName(_MapInfo_GlobItem(m), 1, 0) == 2) // if we generated one... BAIL OUT and let the caller continue in the next frame.
183                 if(pAbortOnGenerate)
184                 {
185                         MapInfo_progress = m / _MapInfo_globcount;
186                         return string_null; // BAIL OUT
187                 }
188         valid = (((MapInfo_Map_supportedGametypes & pGametype) != 0);
189         valid = valid && ((MapInfo_Map_supportedFeatures & pFeatures) == pFeatures));
190         valid = valid && (MapInfo_Map_flags & pFlagsForbidden == 0);
191         valid = valid && (MapInfo_Map_flags & pFlagsRequired == pFlagsRequired);
192         r = MapInfo_FilterGametype_Recursive(pGametype, pFeatures, pFlagsRequired, pFlagsForbidden, m + 1, pEnd, pAbortOnGenerate);
193         if not(r)
194                 return string_null; // BAIL OUT
195
196         if(valid)
197                 return HugeSetOfIntegers_insert(l, m, r);
198         else
199                 return HugeSetOfIntegers_concat(l, r);
200 }
201
202 float MapInfo_FilterGametype(float pGametype, float pFeatures, float pFlagsRequired, float pFlagsForbidden, float pAbortOnGenerate)
203 {
204         if(_MapInfo_filtered)
205                 strunzone(_MapInfo_filtered);
206         _MapInfo_filtered = MapInfo_FilterGametype_Recursive(pGametype, pFeatures, pFlagsRequired, pFlagsForbidden, 0, _MapInfo_globcount, pAbortOnGenerate);
207         if not(_MapInfo_filtered)
208         {
209                 dprint("Autogenerated a .mapinfo, doing the rest later.\n");
210                 return 0;
211         }
212         _MapInfo_filtered = strzone(_MapInfo_filtered);
213         MapInfo_count = HugeSetOfIntegers_length(_MapInfo_filtered);
214         MapInfo_ClearTemps();
215         return 1;
216 }
217
218 void MapInfo_Filter_Free()
219 {
220         if(_MapInfo_filtered)
221         {
222                 strunzone(_MapInfo_filtered);
223                 _MapInfo_filtered = string_null;
224         }
225 }
226 #else
227 float _MapInfo_filtered;
228 float _MapInfo_filtered_allocated;
229 float MapInfo_FilterList_Lookup(float i)
230 {
231         return stof(bufstr_get(_MapInfo_filtered, i));
232 }
233
234 float MapInfo_FilterGametype(float pGametype, float pFeatures, float pFlagsRequired, float pFlagsForbidden, float pAbortOnGenerate)
235 {
236         float i, j;
237         if not(_MapInfo_filtered_allocated)
238         {
239                 _MapInfo_filtered_allocated = 1;
240                 _MapInfo_filtered = buf_create();
241         }
242         MapInfo_count = 0;
243         for(i = 0, j = -1; i < _MapInfo_globcount; ++i)
244         {
245                 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.
246                         if(pAbortOnGenerate)
247                         {
248                                 dprint("Autogenerated a .mapinfo, doing the rest later.\n");
249                                 MapInfo_progress = i / _MapInfo_globcount;
250                                 return 0;
251                         }
252                 if((MapInfo_Map_supportedGametypes & pGametype) != 0)
253                 if((MapInfo_Map_supportedFeatures & pFeatures) == pFeatures)
254                 if((MapInfo_Map_flags & pFlagsForbidden) == 0)
255                 if((MapInfo_Map_flags & pFlagsRequired) == pFlagsRequired)
256                         bufstr_set(_MapInfo_filtered, ++j, ftos(i));
257         }
258         MapInfo_count = j + 1;
259         MapInfo_ClearTemps();
260         return 1;
261 }
262
263 void MapInfo_Filter_Free()
264 {
265         if(_MapInfo_filtered_allocated)
266         {
267                 buf_del(_MapInfo_filtered);
268                 _MapInfo_filtered_allocated = 0;
269         }
270 }
271 #endif
272
273 // load info about the i-th map into the MapInfo_Map_* globals
274 string MapInfo_BSPName_ByID(float i)
275 {
276         return _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i));
277 }
278
279 string unquote(string s)
280 {
281         float i, j, l;
282         l = strlen(s);
283         j = -1;
284         for(i = 0; i < l; ++i)
285         {
286                 string ch;
287                 ch = substring(s, i, 1);
288                 if(ch != " ") if(ch != "\"")
289                 {
290                         for(j = strlen(s) - i - 1; j > 0; --j)
291                         {
292                                 ch = substring(s, i+j, 1);
293                                 if(ch != " ") if(ch != "\"")
294                                         return substring(s, i, j+1);
295                         }
296                         return substring(s, i, 1);
297                 }
298         }
299         return "";
300 }
301
302 float MapInfo_Get_ByID(float i)
303 {
304         if(MapInfo_Get_ByName(MapInfo_BSPName_ByID(i), 0, 0))
305                 return 1;
306         return 0;
307 }
308
309 string _MapInfo_Map_worldspawn_music;
310
311 float _MapInfo_Generate(string pFilename) // 0: failure, 1: ok ent, 2: ok bsp
312 {
313         string fn;
314         float fh;
315         string s, k, v;
316         vector o;
317         float i;
318         float inWorldspawn;
319         float r;
320         float twoBaseModes;
321         float diameter, spawnpoints;
322
323         vector mapMins, mapMaxs;
324
325         r = 1;
326         fn = strcat("maps/", pFilename, ".ent");
327         fh = fopen(fn, FILE_READ);
328         if(fh < 0)
329         {
330                 r = 2;
331                 fn = strcat("maps/", pFilename, ".bsp");
332                 fh = fopen(fn, FILE_READ);
333         }
334         if(fh < 0)
335                 return 0;
336         print("Analyzing ", fn, " to generate initial mapinfo; please edit that file later\n");
337
338         inWorldspawn = 2;
339         MapInfo_Map_supportedGametypes = 0;
340         spawnpoints = 0;
341         _MapInfo_Map_worldspawn_music = "";
342
343         for(;;)
344         {
345                 if not((s = fgets(fh)))
346                         break;
347                 if(inWorldspawn == 1)
348                         if(startsWith(s, "}"))
349                                 inWorldspawn = 0;
350                 k = unquote(car(s));
351                 v = unquote(cdr(s));
352                 if(inWorldspawn)
353                 {
354                         if(k == "classname" && v == "worldspawn")
355                                 inWorldspawn = 1;
356                         else if(k == "author")
357                                 MapInfo_Map_author = v;
358                         else if(k == "_description")
359                                 MapInfo_Map_description = v;
360                         else if(k == "music")
361                                 _MapInfo_Map_worldspawn_music = v;
362                         else if(k == "noise")
363                                 _MapInfo_Map_worldspawn_music = v;
364                         else if(k == "message")
365                         {
366                                 i = strstrofs(v, " by ", 0);
367                                 if(MapInfo_Map_author == "<AUTHOR>" && i >= 0)
368                                 {
369                                         MapInfo_Map_title = substring(v, 0, i);
370                                         MapInfo_Map_author = substring(v, i + 4, strlen(v) - (i + 4));
371                                 }
372                                 else
373                                         MapInfo_Map_title = v;
374                         }
375                 }
376                 else
377                 {
378                         if(k == "origin")
379                         {
380                                 o = stov(strcat("'", v, "'"));
381                                 mapMins_x = min(mapMins_x, o_x);
382                                 mapMins_y = min(mapMins_y, o_y);
383                                 mapMins_z = min(mapMins_z, o_z);
384                                 mapMaxs_x = max(mapMaxs_x, o_x);
385                                 mapMaxs_y = max(mapMaxs_y, o_y);
386                                 mapMaxs_z = max(mapMaxs_z, o_z);
387                         }
388                         else if(k == "classname")
389                         {
390                                 if(v == "dom_controlpoint")
391                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_DOMINATION;
392                                 else if(v == "item_flag_team2")
393                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTF;
394                                 else if(v == "team_CTF_blueflag")
395                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_CTF;
396                                 else if(v == "runematch_spawn_point")
397                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_RUNEMATCH;
398                                 else if(v == "target_assault_roundend")
399                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_ASSAULT;
400                                 else if(v == "onslaught_generator")
401                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_ONSLAUGHT;
402                                 else if(substring(v, 0, 8) == "nexball_" || substring(v, 0, 4) == "ball")
403                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_NEXBALL;
404                                 else if(v == "info_player_team1")
405                                         ++spawnpoints;
406                                 else if(v == "info_player_team2")
407                                         ++spawnpoints;
408                                 else if(v == "info_player_start")
409                                         ++spawnpoints;
410                                 else if(v == "info_player_deathmatch")
411                                         ++spawnpoints;
412                                 else if(v == "trigger_race_checkpoint")
413                                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_RACE;
414                                 else if(v == "weapon_nex")
415                                         { }
416                                 else if(v == "weapon_railgun")
417                                         { }
418                                 else if(startsWith(v, "weapon_"))
419                                         MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
420                         }
421                 }
422         }
423         if(inWorldspawn)
424         {
425                 print(fn, " ended still in worldspawn, BUG\n");
426                 return 0;
427         }
428         diameter = vlen(mapMaxs - mapMins);
429
430         twoBaseModes = MapInfo_Map_supportedGametypes & (MAPINFO_TYPE_CTF | MAPINFO_TYPE_ASSAULT | MAPINFO_TYPE_RACE);
431         if(twoBaseModes && (MapInfo_Map_supportedGametypes == twoBaseModes))
432         {
433                 // we have a CTF-only or Assault-only map. Don't add other modes then,
434                 // as the map is too symmetric for them.
435         }
436         else
437         {
438                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_DEATHMATCH;      // DM always works
439                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_RUNEMATCH;       // Rune always works
440                 MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_LMS;             // LMS always works
441
442                 if(spawnpoints >= 8  && diameter > 4096)
443                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_TEAM_DEATHMATCH;
444                 if(                     diameter < 4096)
445                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_ARENA;
446                 if(spawnpoints >= 12 && diameter > 5120)
447                         MapInfo_Map_supportedGametypes |= MAPINFO_TYPE_KEYHUNT;
448         }
449
450         dprint("-> diameter ",    ftos(diameter));
451         dprint(";  spawnpoints ", ftos(spawnpoints));
452         dprint(";  modes ",       ftos(MapInfo_Map_supportedGametypes), "\n");
453
454         fclose(fh);
455
456         return r;
457 }
458
459 void _MapInfo_Map_Reset()
460 {
461         MapInfo_Map_title = "<TITLE>";
462         MapInfo_Map_description = "<DESCRIPTION>";
463         MapInfo_Map_author = "<AUTHOR>";
464         MapInfo_Map_supportedGametypes = 0;
465         MapInfo_Map_supportedFeatures = 0;
466         MapInfo_Map_flags = 0;
467         MapInfo_Map_clientstuff = "";
468         MapInfo_Map_fog = "";
469         MapInfo_Map_mins = '0 0 0';
470         MapInfo_Map_maxs = '0 0 0';
471 }
472
473 void _MapInfo_Map_ApplyGametype(string s, float pWantedType, float pThisType)
474 {
475         string sa;
476         MapInfo_Map_supportedGametypes |= pThisType;
477         if(!(pThisType & pWantedType))
478                 return;
479         
480         if(pWantedType == MAPINFO_TYPE_ASSAULT || pWantedType == MAPINFO_TYPE_ONSLAUGHT) // these modes don't use fraglimit
481         {
482                 cvar_set("fraglimit", "0");
483         }
484         else
485         {
486                 cvar_set("fraglimit", car(s));
487                 s = cdr(s);
488         }
489
490         cvar_set("timelimit", car(s));
491         s = cdr(s);
492
493         if(pWantedType == MAPINFO_TYPE_TEAM_DEATHMATCH)
494         {
495                 sa = car(s); if(sa == "") sa = "2";
496                 cvar_set("g_tdm_teams", sa);
497                 s = cdr(s);
498         }
499
500         if(pWantedType == MAPINFO_TYPE_KEYHUNT)
501         {
502                 sa = car(s); if(sa == "") sa = "3";
503                 cvar_set("g_keyhunt_teams", sa);
504                 s = cdr(s);
505         }
506
507         if(pWantedType == MAPINFO_TYPE_CTF)
508         {
509                 sa = car(s); if(sa == "") sa = "10";
510                 if(cvar("g_ctf_win_mode") < 2)
511                         cvar_set("fraglimit", sa);
512                 s = cdr(s);
513         }
514
515         if(pWantedType == MAPINFO_TYPE_RACE)
516         {
517                 sa = car(s); if(sa == "") sa = cvar_string("fraglimit");
518                 if(cvar("g_race_teams"))
519                         cvar_set("fraglimit", sa);
520                 s = cdr(s);
521         }
522 }
523
524 float MapInfo_Type_FromString(string t)
525 {
526         if     (t == "dm")      return MAPINFO_TYPE_DEATHMATCH;
527         else if(t == "tdm")     return MAPINFO_TYPE_TEAM_DEATHMATCH;
528         else if(t == "dom")     return MAPINFO_TYPE_DOMINATION;
529         else if(t == "ctf")     return MAPINFO_TYPE_CTF;
530         else if(t == "rune")    return MAPINFO_TYPE_RUNEMATCH;
531         else if(t == "lms")     return MAPINFO_TYPE_LMS;
532         else if(t == "arena")   return MAPINFO_TYPE_ARENA;
533         else if(t == "kh")      return MAPINFO_TYPE_KEYHUNT;
534         else if(t == "as")      return MAPINFO_TYPE_ASSAULT;
535         else if(t == "ons")     return MAPINFO_TYPE_ONSLAUGHT;
536         else if(t == "race")    return MAPINFO_TYPE_RACE;
537         else if(t == "nexball") return MAPINFO_TYPE_NEXBALL;
538         else if(t == "all")     return MAPINFO_TYPE_ALL;
539         else                    return 0;
540 }
541
542 // load info about a map by name into the MapInfo_Map_* globals
543 float MapInfo_Get_ByName(string pFilename, float pAllowGenerate, float pGametypeToSet)
544 {
545         string fn;
546         string s, t;
547         float fh, fh2;
548         float r, f, n, i;
549
550         if(strstrofs(pFilename, "/", 0) >= 0)
551         {
552                 print("Invalid character in map name, ignored\n");
553                 return 0;
554         }
555
556         if(pGametypeToSet == 0)
557                 if(MapInfo_Cache_Retrieve(pFilename))
558                         return 1;
559
560         r = 1;
561
562         MapInfo_Map_bspname = pFilename;
563
564         // default all generic fields so they have "good" values in case something fails
565         fn = strcat("maps/", pFilename, ".mapinfo");
566         fh = fopen(fn, FILE_READ);
567         if(fh < 0)
568         {
569                 if(!pAllowGenerate)
570                         return 0;
571                 _MapInfo_Map_Reset();
572                 r = _MapInfo_Generate(pFilename);
573                 if(!r)
574                         return 0;
575                 fh = fopen(fn, FILE_WRITE);
576                 fputs(fh, strcat("title ", MapInfo_Map_title, "\n"));
577                 fputs(fh, strcat("description ", MapInfo_Map_description, "\n"));
578                 fputs(fh, strcat("author ", MapInfo_Map_author, "\n"));
579                 if(_MapInfo_Map_worldspawn_music != "")
580                 {
581                         if(
582                                 substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".wav"
583                                 ||
584                                 substring(_MapInfo_Map_worldspawn_music, strlen(_MapInfo_Map_worldspawn_music) - 4, 4) == ".ogg"
585                         )
586                                 fputs(fh, strcat("cdtrack ", substring(_MapInfo_Map_worldspawn_music, 0, strlen(_MapInfo_Map_worldspawn_music) - 4), "\n"));
587                         else
588                                 fputs(fh, strcat("cdtrack ", _MapInfo_Map_worldspawn_music, "\n"));
589                 }
590                 else
591                 {
592                         n = tokenize_console(cvar_string("g_cdtracks_remaplist"));
593                         s = strcat(" ", cvar_string("g_cdtracks_dontusebydefault"), " ");
594                         for(;;)
595                         {
596                                 i = floor(random() * n);
597                                 if(strstrofs(s, strcat(" ", argv(i), " "), 0) < 0)
598                                         break;
599                         }
600                         fputs(fh, strcat("cdtrack ", ftos(i + 1), "\n"));
601                 }
602                 if(MapInfo_Map_supportedFeatures & MAPINFO_FEATURE_WEAPONS)    
603                         fputs(fh, "has weapons\n");
604                 else
605                         fputs(fh, "// uncomment this if you added weapon pickups: has weapons\n");
606                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_DEATHMATCH)      fputs(fh, "type dm 30 20\n");
607                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_TEAM_DEATHMATCH) fputs(fh, "type tdm 50 20 2\n");
608                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_DOMINATION)      fputs(fh, "type dom 200 20\n");
609                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_CTF)             fputs(fh, "type ctf 300 20 10\n");
610                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_RUNEMATCH)       fputs(fh, "type rune 200 20\n");
611                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_LMS)             fputs(fh, "type lms 9 20\n");
612                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_ARENA)           fputs(fh, "type arena 10 20\n");
613                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_KEYHUNT)         fputs(fh, "type kh 1000 20 3\n");
614                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_ASSAULT)         fputs(fh, "type as 20\n");
615                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_RACE)            fputs(fh, "type race 5 20 15\n");
616                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_ONSLAUGHT)       fputs(fh, "type ons 20\n");
617                 if(MapInfo_Map_supportedGametypes & MAPINFO_TYPE_NEXBALL)         fputs(fh, "type nexball 5 20\n");
618
619                 fh2 = fopen(strcat("scripts/", pFilename, ".arena"), FILE_READ);
620                 if(fh2 >= 0)
621                 {
622                         fclose(fh2);
623                         fputs(fh, "settemp_for_type all sv_q3acompat_machineshotgunswap 1\n");
624                 }
625
626                 fputs(fh, "// optional: fog density red green blue alpha mindist maxdist\n");
627                 fputs(fh, "// optional: settemp_for_type (all|gametypename) cvarname value\n");
628                 fputs(fh, "// optional: clientsettemp_for_type (all|gametypename) cvarname value\n");
629                 fputs(fh, "// optional: size mins_x mins_y mins_z maxs_x maxs_y maxs_z\n");
630                 fputs(fh, "// optional: hidden\n");
631
632                 fclose(fh);
633                 r = 2;
634                 // return r;
635                 fh = fopen(fn, FILE_READ);
636                 if(fh < 0)
637                         error("... but I just wrote it!");
638         }
639
640         _MapInfo_Map_Reset();
641         for(;;)
642         {
643                 if not((s = fgets(fh)))
644                         break;
645
646                 // catch different sorts of comments
647                 if(s == "")                    // empty lines
648                         continue;
649                 if(substring(s, 0, 1) == "#")  // UNIX style
650                         continue;
651                 if(substring(s, 0, 2) == "//") // C++ style
652                         continue;
653                 if(substring(s, 0, 1) == "_")  // q3map style
654                         continue;
655
656                 t = car(s); s = cdr(s);
657                 if(t == "title")
658                         MapInfo_Map_title = s;
659                 else if(t == "description")
660                         MapInfo_Map_description = s;
661                 else if(t == "author")
662                         MapInfo_Map_author = s;
663                 else if(t == "has")
664                 {
665                         t = car(s); s = cdr(s);
666                         if     (t == "weapons") MapInfo_Map_supportedFeatures |= MAPINFO_FEATURE_WEAPONS;
667                         else
668                                 dprint("Map ", pFilename, " supports unknown feature ", t, ", ignored\n");
669                 }
670                 else if(t == "hidden")
671                 {
672                         MapInfo_Map_flags |= MAPINFO_FLAG_HIDDEN;
673                 }
674                 else if(t == "forbidden")
675                 {
676                         MapInfo_Map_flags |= MAPINFO_FLAG_FORBIDDEN;
677                 }
678                 else if(t == "type")
679                 {
680                         t = car(s); s = cdr(s);
681                         f = MapInfo_Type_FromString(t);
682                         if(f)
683                                 _MapInfo_Map_ApplyGametype (s, pGametypeToSet, f);
684                         else
685                                 dprint("Map ", pFilename, " supports unknown game type ", t, ", ignored\n");
686                 }
687                 else if(t == "size")
688                 {
689                         float a, b, c, d, e;
690                         t = car(s); s = cdr(s); a = stof(t);
691                         t = car(s); s = cdr(s); b = stof(t);
692                         t = car(s); s = cdr(s); c = stof(t);
693                         t = car(s); s = cdr(s); d = stof(t);
694                         t = car(s); s = cdr(s); e = stof(t);
695                         if(s == "")
696                                 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");
697                         else
698                         {
699                                 t = car(s); s = cdr(s); f = stof(t);
700                                 if(s != "")
701                                         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");
702                                 else
703                                 {
704                                         if(a >= d || b >= e || c >= f)
705                                                 print("Map ", pFilename, " contains an incorrect size line, mins have to be < maxs\n");
706                                         else
707                                         {
708                                                 MapInfo_Map_mins_x = a;
709                                                 MapInfo_Map_mins_y = b;
710                                                 MapInfo_Map_mins_z = c;
711                                                 MapInfo_Map_maxs_x = d;
712                                                 MapInfo_Map_maxs_y = e;
713                                                 MapInfo_Map_maxs_z = f;
714                                         }
715                                 }
716                         }
717                 }
718                 else if(t == "settemp_for_type")
719                 {
720                         t = car(s); s = cdr(s);
721                         if((f = MapInfo_Type_FromString(t)))
722                         {
723                                 if(f & pGametypeToSet)
724                                 {
725                                         t = car(s); s = cdr(s);
726                                         if not(cvar_value_issafe(t))
727                                                 print("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
728                                         else if not (cvar_value_issafe(s))
729                                                 print("Map ", pFilename, " contains a potentially harmful setting, ignored\n");
730                                         else
731                                         {
732                                                 dprint("Applying temporary setting ", t, " := ", s, "\n");
733                                                 cvar_settemp(t, s);
734                                         }
735                                 }
736                         }
737                         else
738                         {
739                                 dprint("Map ", pFilename, " has a setting for unknown game type ", t, ", ignored\n");
740                         }
741                 }
742                 else if(t == "clientsettemp_for_type")
743                 {
744                         t = car(s); s = cdr(s);
745                         if((f = MapInfo_Type_FromString(t)))
746                         {
747                                 if(f & pGametypeToSet)
748                                 {
749                                         t = car(s); s = cdr(s);
750                                         if not(cvar_value_issafe(t))
751                                                 print("Map ", pFilename, " contains a potentially harmful client setting, ignored\n");
752                                         else if not (cvar_value_issafe(s))
753                                                 print("Map ", pFilename, " contains a potentially harmful client setting, ignored\n");
754                                         else
755                                         {
756                                                 dprint("Applying temporary client setting ", t, " := ", s, "\n");
757                                                 MapInfo_Map_clientstuff = strcat(
758                                                         MapInfo_Map_clientstuff, "cl_cmd settemp \"", t, "\" \"", s, "\"\n"
759                                                 );
760                                         }
761                                 }
762                         }
763                         else
764                         {
765                                 dprint("Map ", pFilename, " has a client setting for unknown game type ", t, ", ignored\n");
766                         }
767                 }
768                 else if(t == "fog")
769                 {
770                         if not(cvar_value_issafe(t))
771                                 print("Map ", pFilename, " contains a potentially harmful fog setting, ignored\n");
772                         else
773                                 MapInfo_Map_fog = s;
774                 }
775                 else if(t == "cdtrack")
776                 {
777                         if(pGametypeToSet)
778                         {
779                                 if not(cvar_value_issafe(t))
780                                         print("Map ", pFilename, " contains a potentially harmful cdtrack, ignored\n");
781                                 else
782                                         MapInfo_Map_clientstuff = strcat(
783                                                 MapInfo_Map_clientstuff, "cd loop \"", s, "\"\n"
784                                         );
785                         }
786                 }
787                 else
788                         dprint("Map ", pFilename, " provides unknown info item ", t, ", ignored\n");
789         }
790         fclose(fh);
791
792         if(!MapInfo_Map_supportedGametypes)
793                 _MapInfo_Map_ApplyGametype("30 20", pGametypeToSet, MAPINFO_TYPE_DEATHMATCH);
794
795         if(pGametypeToSet)
796                 if(!(MapInfo_Map_supportedGametypes & pGametypeToSet))
797                         error("Can't select the requested game type. Bailing out.");
798         MapInfo_Cache_Store();
799         if(MapInfo_Map_supportedGametypes != 0)
800                 return r;
801         dprint("Map ", pFilename, " supports no game types, ignored\n");
802         return 0;
803 }
804
805 float MapInfo_FindName(string s)
806 {
807         // if there is exactly one map of prefix s, return it
808         // if not, return the null string
809         // note that DP sorts glob results... so I can use a binary search
810         float l, r, m, cmp;
811         l = 0;
812         r = MapInfo_count;
813         // invariants: r is behind s, l-1 is equal or before
814         while(l != r)
815         {
816                 m = floor((l + r) / 2);
817                 MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(m));
818                 cmp = strcasecmp(MapInfo_FindName_match, s);
819                 if(cmp == 0)
820                         return m; // found and good
821                 if(cmp < 0)
822                         l = m + 1; // l-1 is before s
823                 else
824                         r = m; // behind s
825         }
826         MapInfo_FindName_match = _MapInfo_GlobItem(MapInfo_FilterList_Lookup(l));
827         MapInfo_FindName_firstResult = l;
828         // r == l, so: l is behind s, l-1 is before
829         // SO: if there is any, l is the one with the right prefix
830         //     and l+1 may be one too
831         if(l == MapInfo_count)
832         {
833                 MapInfo_FindName_match = string_null;
834                 MapInfo_FindName_firstResult = -1;
835                 return -1; // no MapInfo_FindName_match, behind last item
836         }
837         if(!startsWithNocase(MapInfo_FindName_match, s))
838         {
839                 MapInfo_FindName_match = string_null;
840                 MapInfo_FindName_firstResult = -1;
841                 return -1; // wrong prefix
842         }
843         if(l == MapInfo_count - 1)
844                 return l; // last one, nothing can follow => unique
845         if(startsWithNocase(_MapInfo_GlobItem(MapInfo_FilterList_Lookup(l + 1)), s))
846         {
847                 MapInfo_FindName_match = string_null;
848                 return -1; // ambigous MapInfo_FindName_match
849         }
850         return l;
851 }
852
853 string MapInfo_FixName(string s)
854 {
855         MapInfo_FindName(s);
856         return MapInfo_FindName_match;
857 }
858
859 float MapInfo_CurrentFeatures()
860 {
861         float req;
862         req = 0;
863         if(!(cvar("g_lms") || cvar("g_instagib") || cvar("g_minstagib") || cvar("g_nixnex") || cvar("g_rocketarena") || !cvar("g_pickup_items") || cvar("g_race") || cvar("g_nexball")))
864                 req |= MAPINFO_FEATURE_WEAPONS;
865         return req;
866 }
867
868 float MapInfo_CurrentGametype()
869 {
870         if(cvar("g_domination"))
871                 return MAPINFO_TYPE_DOMINATION;
872         else if(cvar("g_ctf"))
873                 return MAPINFO_TYPE_CTF;
874         else if(cvar("g_runematch"))
875                 return MAPINFO_TYPE_RUNEMATCH;
876         else if(cvar("g_tdm"))
877                 return MAPINFO_TYPE_TEAM_DEATHMATCH;
878         else if(cvar("g_assault"))
879                 return MAPINFO_TYPE_ASSAULT;
880         else if(cvar("g_lms"))
881                 return MAPINFO_TYPE_LMS;
882         else if(cvar("g_arena"))
883                 return MAPINFO_TYPE_ARENA;
884         else if(cvar("g_keyhunt"))
885                 return MAPINFO_TYPE_KEYHUNT;
886         else if(cvar("g_onslaught"))
887                 return MAPINFO_TYPE_ONSLAUGHT;
888         else if(cvar("g_race"))
889                 return MAPINFO_TYPE_RACE;
890         else if(cvar("g_nexball"))
891                 return MAPINFO_TYPE_NEXBALL;
892         else
893                 return MAPINFO_TYPE_DEATHMATCH;
894 }
895
896 float _MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
897 {
898         if(!MapInfo_Get_ByName(s, 1, 0))
899                 return 0;
900         if((MapInfo_Map_supportedGametypes & MapInfo_CurrentGametype()) == 0)
901                 return 0;
902         if((MapInfo_Map_supportedFeatures & MapInfo_CurrentFeatures()) != MapInfo_CurrentFeatures())
903                 return 0;
904         return 1;
905 }
906
907 float MapInfo_CheckMap(string s) // returns 0 if the map can't be played with the current settings, 1 otherwise
908 {
909         float r;
910         r = _MapInfo_CheckMap(s);
911         MapInfo_ClearTemps();
912         return r;
913 }
914
915 string MapInfo_GetGameTypeCvar(float t)
916 {
917         switch(t)
918         {
919                 case MAPINFO_TYPE_DEATHMATCH: return "g_dm";
920                 case MAPINFO_TYPE_TEAM_DEATHMATCH: return "g_tdm";
921                 case MAPINFO_TYPE_DOMINATION: return "g_domination";
922                 case MAPINFO_TYPE_CTF: return "g_ctf";
923                 case MAPINFO_TYPE_RUNEMATCH: return "g_runematch";
924                 case MAPINFO_TYPE_LMS: return "g_lms";
925                 case MAPINFO_TYPE_ARENA: return "g_arena";
926                 case MAPINFO_TYPE_KEYHUNT: return "g_kh";
927                 case MAPINFO_TYPE_ASSAULT: return "g_assault";
928                 case MAPINFO_TYPE_ONSLAUGHT: return "g_onslaught";
929                 case MAPINFO_TYPE_RACE: return "g_race";
930                 default: return "";
931         }
932 }
933
934 void MapInfo_SwitchGameType(float t)
935 {
936         cvar_set("gamecfg",      "0");
937         cvar_set("g_dm",         (t == MAPINFO_TYPE_DEATHMATCH)      ? "1" : "0");
938         cvar_set("g_tdm",        (t == MAPINFO_TYPE_TEAM_DEATHMATCH) ? "1" : "0");
939         cvar_set("g_domination", (t == MAPINFO_TYPE_DOMINATION)      ? "1" : "0");
940         cvar_set("g_ctf",        (t == MAPINFO_TYPE_CTF)             ? "1" : "0");
941         cvar_set("g_runematch",  (t == MAPINFO_TYPE_RUNEMATCH)       ? "1" : "0");
942         cvar_set("g_lms",        (t == MAPINFO_TYPE_LMS)             ? "1" : "0");
943         cvar_set("g_arena",      (t == MAPINFO_TYPE_ARENA)           ? "1" : "0");
944         cvar_set("g_keyhunt",    (t == MAPINFO_TYPE_KEYHUNT)         ? "1" : "0");
945         cvar_set("g_assault",    (t == MAPINFO_TYPE_ASSAULT)         ? "1" : "0");
946         cvar_set("g_onslaught",  (t == MAPINFO_TYPE_ONSLAUGHT)       ? "1" : "0");
947         cvar_set("g_race",       (t == MAPINFO_TYPE_RACE)            ? "1" : "0");
948         cvar_set("g_nexball",    (t == MAPINFO_TYPE_NEXBALL)         ? "1" : "0");
949 }
950
951 void MapInfo_LoadMap(string s)
952 {
953         MapInfo_Map_supportedGametypes = 0;
954         if(!MapInfo_CheckMap(s))
955         {
956                 print("EMERGENCY: can't play the selected map in the given game mode. Falling back to DM.\n");
957                 MapInfo_SwitchGameType(MAPINFO_TYPE_DEATHMATCH);
958         }
959         localcmd(strcat("\nsettemp_restore\nchangelevel ", s, "\n"));
960 }
961
962 string MapInfo_ListAllowedMaps(float pRequiredFlags, float pForbiddenFlags)
963 {
964         string out;
965         float i;
966
967         // to make absolutely sure:
968         MapInfo_Enumerate();
969         MapInfo_FilterGametype(MapInfo_CurrentGametype(), MapInfo_CurrentFeatures(), pRequiredFlags, pForbiddenFlags, 0);
970
971         out = "";
972         for(i = 0; i < MapInfo_count; ++i)
973                 out = strcat(out, " ", _MapInfo_GlobItem(MapInfo_FilterList_Lookup(i)));
974         return substring(out, 1, strlen(out) - 1);
975 }
976
977 void MapInfo_LoadMapSettings(string s) // to be called from worldspawn
978 {
979         float t;
980         if(!_MapInfo_CheckMap(s)) // with underscore, it keeps temps
981         {
982                 if(MapInfo_Map_supportedGametypes <= 0)
983                         error("Mapinfo system is not functional at all. BAILED OUT.\n");
984
985                 t = 1;
986                 while(!(MapInfo_Map_supportedGametypes & 1))
987                 {
988                         t *= 2;
989                         MapInfo_Map_supportedGametypes = floor(MapInfo_Map_supportedGametypes / 2);
990                 }
991                 // t is now a supported mode!
992                 print("EMERGENCY: can't play the selected map in the given game mode. Falling back to a supported mode.\n");
993                 MapInfo_SwitchGameType(t);
994         }
995         cvar_settemp_restore();
996         MapInfo_Get_ByName(s, 1, MapInfo_CurrentGametype());
997 }
998
999 void MapInfo_ClearTemps()
1000 {
1001         MapInfo_Map_bspname = string_null;
1002         MapInfo_Map_title = string_null;
1003         MapInfo_Map_description = string_null;
1004         MapInfo_Map_author = string_null;
1005         MapInfo_Map_clientstuff = string_null;
1006         MapInfo_Map_supportedGametypes = 0;
1007         MapInfo_Map_supportedFeatures = 0;
1008 }
1009
1010 void MapInfo_Shutdown()
1011 {
1012         MapInfo_ClearTemps();
1013         MapInfo_Filter_Free();
1014         MapInfo_Cache_Destroy();
1015         if(_MapInfo_globopen)
1016         {
1017                 search_end(_MapInfo_globhandle);
1018                 _MapInfo_globhandle = -1;
1019                 _MapInfo_globopen = FALSE;
1020         }
1021 }