data/qcsrc/common/mapinfo.qc

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