qcsrc/server/miscfunctions.qc

   1 #include "miscfunctions.qh"
   2
   3 #include "antilag.qh"
   4 #include "command/common.qh"
   5 #include "constants.qh"
   6 #include "g_hook.qh"
   7 #include "ipban.qh"
   8 #include "mutators/_mod.qh"
   9 #include "../common/t_items.qh"
  10 #include "resources.qh"
  11 #include "items.qh"
  12 #include "weapons/accuracy.qh"
  13 #include "weapons/csqcprojectile.qh"
  14 #include "weapons/selection.qh"
  15 #include "../common/command/_mod.qh"
  16 #include "../common/constants.qh"
  17 #include <common/net_linked.qh>
  18 #include "../common/deathtypes/all.qh"
  19 #include "../common/mapinfo.qh"
  20 #include "../common/notifications/all.qh"
  21 #include "../common/playerstats.qh"
  22 #include "../common/teams.qh"
  23 #include "../common/triggers/subs.qh"
  24 #include "../common/util.qh"
  25 #include "../common/turrets/sv_turrets.qh"
  26 #include <common/weapons/_all.qh>
  27 #include "../common/vehicles/sv_vehicles.qh"
  28 #include "../common/vehicles/vehicle.qh"
  29 #include "../common/items/_mod.qh"
  30 #include "../common/state.qh"
  31 #include "../common/effects/qc/globalsound.qh"
  32 #include "../common/wepent.qh"
  33 #include "../lib/csqcmodel/sv_model.qh"
  34 #include "../lib/warpzone/anglestransform.qh"
  35 #include "../lib/warpzone/server.qh"
  36
  37 void crosshair_trace(entity pl)
  38 {
  39         traceline_antilag(pl, CS(pl).cursor_trace_start, CS(pl).cursor_trace_start + normalize(CS(pl).cursor_trace_endpos - CS(pl).cursor_trace_start) * max_shot_distance, MOVE_NORMAL, pl, ANTILAG_LATENCY(pl));
  40 }
  41 .bool ctrace_solidchanged;
  42 void crosshair_trace_plusvisibletriggers(entity pl)
  43 {
  44         FOREACH_ENTITY_FLOAT(solid, SOLID_TRIGGER,
  45         {
  46                 if(it.model != "")
  47                 {
  48                         it.solid = SOLID_BSP;
  49                         it.ctrace_solidchanged = true;
  50                         IL_PUSH(g_ctrace_changed, it);
  51                 }
  52         });
  53
  54         crosshair_trace(pl);
  55
  56         IL_EACH(g_ctrace_changed, it.ctrace_solidchanged,
  57         {
  58                 it.solid = SOLID_TRIGGER;
  59                 it.ctrace_solidchanged = false;
  60         });
  61
  62         IL_CLEAR(g_ctrace_changed);
  63 }
  64 void WarpZone_crosshair_trace(entity pl)
  65 {
  66         WarpZone_traceline_antilag(pl, CS(pl).cursor_trace_start, CS(pl).cursor_trace_start + normalize(CS(pl).cursor_trace_endpos - CS(pl).cursor_trace_start) * max_shot_distance, MOVE_NORMAL, pl, ANTILAG_LATENCY(pl));
  67 }
  68
  69
  70 void GameLogEcho(string s)
  71 {
  72     string fn;
  73     int matches;
  74
  75     if (autocvar_sv_eventlog_files)
  76     {
  77         if (!logfile_open)
  78         {
  79             logfile_open = true;
  80             matches = autocvar_sv_eventlog_files_counter + 1;
  81             cvar_set("sv_eventlog_files_counter", itos(matches));
  82             fn = ftos(matches);
  83             if (strlen(fn) < 8)
  84                 fn = strcat(substring("00000000", 0, 8 - strlen(fn)), fn);
  85             fn = strcat(autocvar_sv_eventlog_files_nameprefix, fn, autocvar_sv_eventlog_files_namesuffix);
  86             logfile = fopen(fn, FILE_APPEND);
  87             fputs(logfile, ":logversion:3\n");
  88         }
  89         if (logfile >= 0)
  90         {
  91             if (autocvar_sv_eventlog_files_timestamps)
  92                 fputs(logfile, strcat(":time:", strftime(true, "%Y-%m-%d %H:%M:%S", "\n", s, "\n")));
  93             else
  94                 fputs(logfile, strcat(s, "\n"));
  95         }
  96     }
  97     if (autocvar_sv_eventlog_console)
  98     {
  99         dedicated_print(strcat(s, "\n"));
 100     }
 101 }
 102
 103 void GameLogInit()
 104 {
 105     logfile_open = 0;
 106     // will be opened later
 107 }
 108
 109 void GameLogClose()
 110 {
 111     if (logfile_open && logfile >= 0)
 112     {
 113         fclose(logfile);
 114         logfile = -1;
 115     }
 116 }
 117
 118 entity findnearest(vector point, bool checkitems, vector axismod)
 119 {
 120     vector dist;
 121     int num_nearest = 0;
 122
 123     IL_EACH(((checkitems) ? g_items : g_locations), ((checkitems) ? (it.target == "###item###") : (it.classname == "target_location")),
 124     {
 125         if ((it.items == IT_KEY1 || it.items == IT_KEY2) && it.target == "###item###")
 126             dist = it.oldorigin;
 127         else
 128             dist = it.origin;
 129         dist = dist - point;
 130         dist = dist.x * axismod.x * '1 0 0' + dist.y * axismod.y * '0 1 0' + dist.z * axismod.z * '0 0 1';
 131         float len = vlen2(dist);
 132
 133         int l;
 134         for (l = 0; l < num_nearest; ++l)
 135         {
 136             if (len < nearest_length[l])
 137                 break;
 138         }
 139
 140         // now i tells us where to insert at
 141         //   INSERTION SORT! YOU'VE SEEN IT! RUN!
 142         if (l < NUM_NEAREST_ENTITIES)
 143         {
 144             for (int j = NUM_NEAREST_ENTITIES - 1; j >= l; --j)
 145             {
 146                 nearest_length[j + 1] = nearest_length[j];
 147                 nearest_entity[j + 1] = nearest_entity[j];
 148             }
 149             nearest_length[l] = len;
 150             nearest_entity[l] = it;
 151             if (num_nearest < NUM_NEAREST_ENTITIES)
 152                 num_nearest = num_nearest + 1;
 153         }
 154     });
 155
 156     // now use the first one from our list that we can see
 157     for (int j = 0; j < num_nearest; ++j)
 158     {
 159         traceline(point, nearest_entity[j].origin, true, NULL);
 160         if (trace_fraction == 1)
 161         {
 162             if (j != 0)
 163                 LOG_TRACEF("Nearest point (%s) is not visible, using a visible one.", nearest_entity[0].netname);
 164             return nearest_entity[j];
 165         }
 166     }
 167
 168     if (num_nearest == 0)
 169         return NULL;
 170
 171     LOG_TRACE("Not seeing any location point, using nearest as fallback.");
 172     /* DEBUGGING CODE:
 173     dprint("Candidates were: ");
 174     for(j = 0; j < num_nearest; ++j)
 175     {
 176         if(j != 0)
 177                 dprint(", ");
 178         dprint(nearest_entity[j].netname);
 179     }
 180     dprint("\n");
 181     */
 182
 183     return nearest_entity[0];
 184 }
 185
 186 string NearestLocation(vector p)
 187 {
 188     string ret = "somewhere";
 189     entity loc = findnearest(p, false, '1 1 1');
 190     if (loc)
 191         ret = loc.message;
 192     else
 193     {
 194         loc = findnearest(p, true, '1 1 4');
 195         if (loc)
 196             ret = loc.netname;
 197     }
 198     return ret;
 199 }
 200
 201 string AmmoNameFromWeaponentity(entity wpn)
 202 {
 203         string ammoitems = "batteries";
 204         switch ((wpn.m_weapon).ammo_type)
 205         {
 206                 case RESOURCE_SHELLS:  ammoitems = ITEM_Shells.m_name;      break;
 207                 case RESOURCE_BULLETS: ammoitems = ITEM_Bullets.m_name;     break;
 208                 case RESOURCE_ROCKETS: ammoitems = ITEM_Rockets.m_name;     break;
 209                 case RESOURCE_CELLS:   ammoitems = ITEM_Cells.m_name;       break;
 210                 case RESOURCE_PLASMA:  ammoitems = ITEM_Plasma.m_name;      break;
 211                 case RESOURCE_FUEL:    ammoitems = ITEM_JetpackFuel.m_name; break;
 212         }
 213         return ammoitems;
 214 }
 215
 216 string formatmessage(entity this, string msg)
 217 {
 218         float p, p1, p2;
 219         float n;
 220         vector cursor;
 221         entity cursor_ent;
 222         string escape;
 223         string replacement;
 224         p = 0;
 225         n = 7;
 226
 227         WarpZone_crosshair_trace(this);
 228         cursor = trace_endpos;
 229         cursor_ent = trace_ent;
 230
 231         MUTATOR_CALLHOOK(PreFormatMessage, this, msg);
 232         msg = M_ARGV(1, string);
 233
 234         while (1) {
 235                 if (n < 1)
 236                         break; // too many replacements
 237
 238                 n = n - 1;
 239                 p1 = strstrofs(msg, "%", p); // NOTE: this destroys msg as it's a tempstring!
 240                 p2 = strstrofs(msg, "\\", p); // NOTE: this destroys msg as it's a tempstring!
 241
 242                 if (p1 < 0)
 243                         p1 = p2;
 244
 245                 if (p2 < 0)
 246                         p2 = p1;
 247
 248                 p = min(p1, p2);
 249
 250                 if (p < 0)
 251                         break;
 252
 253                 replacement = substring(msg, p, 2);
 254                 escape = substring(msg, p + 1, 1);
 255
 256                 .entity weaponentity = weaponentities[0]; // TODO: unhardcode
 257
 258                 switch(escape)
 259                 {
 260                         case "%": replacement = "%"; break;
 261                         case "\\":replacement = "\\"; break;
 262                         case "n": replacement = "\n"; break;
 263                         case "a": replacement = ftos(floor(this.armorvalue)); break;
 264                         case "h": replacement = ftos(floor(this.health)); break;
 265                         case "l": replacement = NearestLocation(this.origin); break;
 266                         case "y": replacement = NearestLocation(cursor); break;
 267                         case "d": replacement = NearestLocation(this.death_origin); break;
 268                         case "w": replacement = ((this.(weaponentity).m_weapon == WEP_Null) ? ((this.(weaponentity).m_switchweapon == WEP_Null) ? Weapons_from(this.(weaponentity).cnt) : this.(weaponentity).m_switchweapon) : this.(weaponentity).m_weapon).m_name; break;
 269                         case "W": replacement = AmmoNameFromWeaponentity(this.(weaponentity)); break;
 270                         case "x": replacement = ((cursor_ent.netname == "" || !cursor_ent) ? "nothing" : cursor_ent.netname); break;
 271                         case "s": replacement = ftos(vlen(this.velocity - this.velocity_z * '0 0 1')); break;
 272                         case "S": replacement = ftos(vlen(this.velocity)); break;
 273                         case "t": replacement = seconds_tostring(ceil(max(0, autocvar_timelimit * 60 + game_starttime - time))); break;
 274                         case "T": replacement = seconds_tostring(floor(time - game_starttime)); break;
 275                         default:
 276                         {
 277                                 MUTATOR_CALLHOOK(FormatMessage, this, escape, replacement, msg);
 278                                 replacement = M_ARGV(2, string);
 279                                 break;
 280                         }
 281                 }
 282
 283                 msg = strcat(substring(msg, 0, p), replacement, substring(msg, p+2, strlen(msg) - (p+2)));
 284                 p = p + strlen(replacement);
 285         }
 286         return msg;
 287 }
 288
 289 /*
 290 =============
 291 GetCvars
 292 =============
 293 Called with:
 294   0:  sends the request
 295   >0: receives a cvar from name=argv(f) value=argv(f+1)
 296 */
 297 void GetCvars_handleString(entity this, entity store, string thisname, float f, .string field, string name)
 298 {
 299         if (f < 0)
 300         {
 301                 if (store.(field))
 302                         strunzone(store.(field));
 303                 store.(field) = string_null;
 304         }
 305         else if (f > 0)
 306         {
 307                 if (thisname == name)
 308                 {
 309                         strcpy(store.(field), argv(f + 1));
 310                 }
 311         }
 312         else
 313                 stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
 314 }
 315 void GetCvars_handleString_Fixup(entity this, entity store, string thisname, float f, .string field, string name, string(entity, string) func)
 316 {
 317         GetCvars_handleString(this, store, thisname, f, field, name);
 318         if (f >= 0) // also initialize to the fitting value for "" when sending cvars out
 319                 if (thisname == name)
 320                 {
 321                         string s = func(this, strcat1(store.(field)));
 322                         if (s != store.(field))
 323                         {
 324                                 strcpy(store.(field), s);
 325                         }
 326                 }
 327 }
 328 void GetCvars_handleFloat(entity this, entity store, string thisname, float f, .float field, string name)
 329 {
 330         if (f < 0)
 331         {
 332         }
 333         else if (f > 0)
 334         {
 335                 if (thisname == name)
 336                         store.(field) = stof(argv(f + 1));
 337         }
 338         else
 339                 stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
 340 }
 341 void GetCvars_handleFloatOnce(entity this, entity store, string thisname, float f, .float field, string name)
 342 {
 343         if (f < 0)
 344         {
 345         }
 346         else if (f > 0)
 347         {
 348                 if (thisname == name)
 349                 {
 350                         if (!store.(field))
 351                         {
 352                                 store.(field) = stof(argv(f + 1));
 353                                 if (!store.(field))
 354                                         store.(field) = -1;
 355                         }
 356                 }
 357         }
 358         else
 359         {
 360                 if (!store.(field))
 361                         stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
 362         }
 363 }
 364 string W_FixWeaponOrder_ForceComplete_AndBuildImpulseList(entity this, string wo)
 365 {
 366         string o;
 367         o = W_FixWeaponOrder_ForceComplete(wo);
 368         if(CS(this).weaponorder_byimpulse)
 369         {
 370                 strunzone(CS(this).weaponorder_byimpulse);
 371                 CS(this).weaponorder_byimpulse = string_null;
 372         }
 373         CS(this).weaponorder_byimpulse = strzone(W_FixWeaponOrder_BuildImpulseList(o));
 374         return o;
 375 }
 376
 377 REPLICATE(autoswitch, bool, "cl_autoswitch");
 378
 379 REPLICATE(cvar_cl_allow_uid2name, bool, "cl_allow_uid2name");
 380
 381 REPLICATE(cvar_cl_autoscreenshot, int, "cl_autoscreenshot");
 382
 383 REPLICATE(cvar_cl_autotaunt, float, "cl_autotaunt");
 384
 385 REPLICATE(cvar_cl_clippedspectating, bool, "cl_clippedspectating");
 386
 387 REPLICATE(cvar_cl_handicap, float, "cl_handicap");
 388
 389 REPLICATE(cvar_cl_jetpack_jump, bool, "cl_jetpack_jump");
 390
 391 REPLICATE(cvar_cl_movement_track_canjump, bool, "cl_movement_track_canjump");
 392
 393 REPLICATE(cvar_cl_newusekeysupported, bool, "cl_newusekeysupported");
 394
 395 REPLICATE(cvar_cl_noantilag, bool, "cl_noantilag");
 396
 397 REPLICATE(cvar_cl_physics, string, "cl_physics");
 398
 399 REPLICATE(cvar_cl_voice_directional, int, "cl_voice_directional");
 400
 401 REPLICATE(cvar_cl_voice_directional_taunt_attenuation, float, "cl_voice_directional_taunt_attenuation");
 402
 403 REPLICATE(cvar_cl_weaponimpulsemode, int, "cl_weaponimpulsemode");
 404
 405 REPLICATE(cvar_g_xonoticversion, string, "g_xonoticversion");
 406
 407 /**
 408  * @param f -1: cleanup, 0: request, 1: receive
 409  */
 410 void GetCvars(entity this, entity store, int f)
 411 {
 412         string s = string_null;
 413
 414         if (f > 0)
 415                 s = strcat1(argv(f));
 416
 417         get_cvars_f = f;
 418         get_cvars_s = s;
 419         MUTATOR_CALLHOOK(GetCvars);
 420
 421         Notification_GetCvars(this);
 422
 423         ReplicateVars(this, store, s, f);
 424
 425         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriority, "cl_weaponpriority", W_FixWeaponOrder_ForceComplete_AndBuildImpulseList);
 426         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[0], "cl_weaponpriority0", W_FixWeaponOrder_AllowIncomplete);
 427         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[1], "cl_weaponpriority1", W_FixWeaponOrder_AllowIncomplete);
 428         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[2], "cl_weaponpriority2", W_FixWeaponOrder_AllowIncomplete);
 429         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[3], "cl_weaponpriority3", W_FixWeaponOrder_AllowIncomplete);
 430         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[4], "cl_weaponpriority4", W_FixWeaponOrder_AllowIncomplete);
 431         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[5], "cl_weaponpriority5", W_FixWeaponOrder_AllowIncomplete);
 432         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[6], "cl_weaponpriority6", W_FixWeaponOrder_AllowIncomplete);
 433         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[7], "cl_weaponpriority7", W_FixWeaponOrder_AllowIncomplete);
 434         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[8], "cl_weaponpriority8", W_FixWeaponOrder_AllowIncomplete);
 435         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[9], "cl_weaponpriority9", W_FixWeaponOrder_AllowIncomplete);
 436
 437         GetCvars_handleFloat(this, store, s, f, cvar_cl_allow_uidtracking, "cl_allow_uidtracking");
 438
 439         // fixup of switchweapon (needed for LMS or when spectating is disabled, as PutClientInServer comes too early)
 440         if (f > 0)
 441         {
 442                 if (s == "cl_weaponpriority")
 443                 {
 444                         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 445                         {
 446                                 .entity weaponentity = weaponentities[slot];
 447                                 if (this.(weaponentity) && (this.(weaponentity).m_weapon != WEP_Null || slot == 0))
 448                                         this.(weaponentity).m_switchweapon = w_getbestweapon(this, weaponentity);
 449                         }
 450                 }
 451                 if (s == "cl_allow_uidtracking")
 452                         PlayerStats_GameReport_AddPlayer(this);
 453         }
 454 }
 455
 456 // decolorizes and team colors the player name when needed
 457 string playername(entity p, bool team_colorize)
 458 {
 459     string t;
 460     if (team_colorize && teamplay && !intermission_running && IS_PLAYER(p))
 461     {
 462         t = Team_ColorCode(p.team);
 463         return strcat(t, strdecolorize(p.netname));
 464     }
 465     else
 466         return p.netname;
 467 }
 468
 469 float want_weapon(entity weaponinfo, float allguns) // WEAPONTODO: what still needs done?
 470 {
 471         int i = weaponinfo.m_id;
 472         int d = 0;
 473         bool allow_mutatorblocked = false;
 474
 475         if(!i)
 476                 return 0;
 477
 478         bool mutator_returnvalue = MUTATOR_CALLHOOK(WantWeapon, weaponinfo, d, allguns, allow_mutatorblocked);
 479         d = M_ARGV(1, float);
 480         allguns = M_ARGV(2, bool);
 481         allow_mutatorblocked = M_ARGV(3, bool);
 482
 483         if(allguns)
 484         {
 485                 if(weaponinfo.spawnflags & WEP_FLAG_NORMAL)
 486                         d = true;
 487                 else
 488                         d = false;
 489         }
 490         else if(!mutator_returnvalue)
 491                 d = !(!weaponinfo.weaponstart);
 492
 493         if(!allow_mutatorblocked && (weaponinfo.spawnflags & WEP_FLAG_MUTATORBLOCKED)) // never default mutator blocked guns
 494                 d = 0;
 495
 496         float t = weaponinfo.weaponstartoverride;
 497
 498         //print(strcat("want_weapon: ", weaponinfo.netname, " - d: ", ftos(d), ", t: ", ftos(t), ". \n"));
 499
 500         // bit order in t:
 501         // 1: want or not
 502         // 2: is default?
 503         // 4: is set by default?
 504         if(t < 0)
 505                 t = 4 | (3 * d);
 506         else
 507                 t |= (2 * d);
 508
 509         return t;
 510 }
 511
 512 void readplayerstartcvars()
 513 {
 514         float i, t;
 515         string s;
 516
 517         // initialize starting values for players
 518         start_weapons = '0 0 0';
 519         start_weapons_default = '0 0 0';
 520         start_weapons_defaultmask = '0 0 0';
 521         start_items = 0;
 522         start_ammo_shells = 0;
 523         start_ammo_nails = 0;
 524         start_ammo_rockets = 0;
 525         start_ammo_cells = 0;
 526         start_ammo_plasma = 0;
 527         if (random_start_ammo == NULL)
 528         {
 529                 random_start_ammo = spawn();
 530         }
 531         start_health = cvar("g_balance_health_start");
 532         start_armorvalue = cvar("g_balance_armor_start");
 533
 534         g_weaponarena = 0;
 535         g_weaponarena_weapons = '0 0 0';
 536
 537         s = cvar_string("g_weaponarena");
 538
 539         MUTATOR_CALLHOOK(SetWeaponArena, s);
 540         s = M_ARGV(0, string);
 541
 542         if (s == "0" || s == "")
 543         {
 544                 // no arena
 545         }
 546         else if (s == "off")
 547         {
 548                 // forcibly turn off weaponarena
 549         }
 550         else if (s == "all" || s == "1")
 551         {
 552                 g_weaponarena = 1;
 553                 g_weaponarena_list = "All Weapons";
 554                 FOREACH(Weapons, it != WEP_Null, {
 555                         if(!(it.spawnflags & WEP_FLAG_MUTATORBLOCKED))
 556                                 g_weaponarena_weapons |= (it.m_wepset);
 557                 });
 558         }
 559         else if (s == "devall")
 560         {
 561                 g_weaponarena = 1;
 562                 g_weaponarena_list = "All Weapons"; // TODO: report as more than just all weapons?
 563                 FOREACH(Weapons, it != WEP_Null,
 564                 {
 565                         g_weaponarena_weapons |= (it.m_wepset);
 566                 });
 567         }
 568         else if (s == "most")
 569         {
 570                 g_weaponarena = 1;
 571                 g_weaponarena_list = "Most Weapons";
 572                 FOREACH(Weapons, it != WEP_Null, {
 573                         if(!(it.spawnflags & WEP_FLAG_MUTATORBLOCKED))
 574                                 if(it.spawnflags & WEP_FLAG_NORMAL)
 575                                         g_weaponarena_weapons |= (it.m_wepset);
 576                 });
 577         }
 578         else if (s == "none")
 579         {
 580                 g_weaponarena = 1;
 581                 g_weaponarena_list = "No Weapons";
 582         }
 583         else
 584         {
 585                 g_weaponarena = 1;
 586                 t = tokenize_console(s);
 587                 g_weaponarena_list = "";
 588                 for (i = 0; i < t; ++i)
 589                 {
 590                         s = argv(i);
 591                         FOREACH(Weapons, it != WEP_Null, {
 592                                 if(it.netname == s)
 593                                 {
 594                                         g_weaponarena_weapons |= (it.m_wepset);
 595                                         g_weaponarena_list = strcat(g_weaponarena_list, it.m_name, " & ");
 596                                         break;
 597                                 }
 598                         });
 599                 }
 600                 g_weaponarena_list = strzone(substring(g_weaponarena_list, 0, strlen(g_weaponarena_list) - 3));
 601         }
 602
 603         if(g_weaponarena)
 604                 g_weaponarena_random = cvar("g_weaponarena_random");
 605         else
 606                 g_weaponarena_random = 0;
 607         g_weaponarena_random_with_blaster = cvar("g_weaponarena_random_with_blaster");
 608
 609         if (g_weaponarena)
 610         {
 611                 g_weapon_stay = 0; // incompatible
 612                 start_weapons = g_weaponarena_weapons;
 613                 start_items |= IT_UNLIMITED_AMMO;
 614         }
 615         else
 616         {
 617                 FOREACH(Weapons, it != WEP_Null, {
 618                         int w = want_weapon(it, false);
 619                         WepSet s = it.m_wepset;
 620                         if(w & 1)
 621                                 start_weapons |= s;
 622                         if(w & 2)
 623                                 start_weapons_default |= s;
 624                         if(w & 4)
 625                                 start_weapons_defaultmask |= s;
 626                 });
 627         }
 628
 629         if(!cvar("g_use_ammunition"))
 630                 start_items |= IT_UNLIMITED_AMMO;
 631
 632         if(start_items & IT_UNLIMITED_WEAPON_AMMO)
 633         {
 634                 start_ammo_shells = 999;
 635                 start_ammo_nails = 999;
 636                 start_ammo_rockets = 999;
 637                 start_ammo_cells = 999;
 638                 start_ammo_plasma = 999;
 639                 start_ammo_fuel = 999;
 640         }
 641         else
 642         {
 643                 start_ammo_shells = cvar("g_start_ammo_shells");
 644                 start_ammo_nails = cvar("g_start_ammo_nails");
 645                 start_ammo_rockets = cvar("g_start_ammo_rockets");
 646                 start_ammo_cells = cvar("g_start_ammo_cells");
 647                 start_ammo_plasma = cvar("g_start_ammo_plasma");
 648                 start_ammo_fuel = cvar("g_start_ammo_fuel");
 649                 random_start_weapons_count = cvar("g_random_start_weapons_count");
 650                 SetResourceAmount(random_start_ammo, RESOURCE_SHELLS, cvar(
 651                         "g_random_start_shells"));
 652                 SetResourceAmount(random_start_ammo, RESOURCE_BULLETS, cvar(
 653                         "g_random_start_bullets"));
 654                 SetResourceAmount(random_start_ammo, RESOURCE_ROCKETS,
 655                         cvar("g_random_start_rockets"));
 656                 SetResourceAmount(random_start_ammo, RESOURCE_CELLS, cvar(
 657                         "g_random_start_cells"));
 658                 SetResourceAmount(random_start_ammo, RESOURCE_PLASMA, cvar(
 659                         "g_random_start_plasma"));
 660         }
 661
 662         if (warmup_stage)
 663         {
 664                 warmup_start_ammo_shells = start_ammo_shells;
 665                 warmup_start_ammo_nails = start_ammo_nails;
 666                 warmup_start_ammo_rockets = start_ammo_rockets;
 667                 warmup_start_ammo_cells = start_ammo_cells;
 668                 warmup_start_ammo_plasma = start_ammo_plasma;
 669                 warmup_start_ammo_fuel = start_ammo_fuel;
 670                 warmup_start_health = start_health;
 671                 warmup_start_armorvalue = start_armorvalue;
 672                 warmup_start_weapons = start_weapons;
 673                 warmup_start_weapons_default = start_weapons_default;
 674                 warmup_start_weapons_defaultmask = start_weapons_defaultmask;
 675
 676                 if (!g_weaponarena && !g_ca && !g_freezetag)
 677                 {
 678                         warmup_start_ammo_shells = cvar("g_warmup_start_ammo_shells");
 679                         warmup_start_ammo_nails = cvar("g_warmup_start_ammo_nails");
 680                         warmup_start_ammo_rockets = cvar("g_warmup_start_ammo_rockets");
 681                         warmup_start_ammo_cells = cvar("g_warmup_start_ammo_cells");
 682                         warmup_start_ammo_plasma = cvar("g_warmup_start_ammo_plasma");
 683                         warmup_start_ammo_fuel = cvar("g_warmup_start_ammo_fuel");
 684                         warmup_start_health = cvar("g_warmup_start_health");
 685                         warmup_start_armorvalue = cvar("g_warmup_start_armor");
 686                         warmup_start_weapons = '0 0 0';
 687                         warmup_start_weapons_default = '0 0 0';
 688                         warmup_start_weapons_defaultmask = '0 0 0';
 689                         FOREACH(Weapons, it != WEP_Null, {
 690                                 int w = want_weapon(it, g_warmup_allguns);
 691                                 WepSet s = (it.m_wepset);
 692                                 if(w & 1)
 693                                         warmup_start_weapons |= s;
 694                                 if(w & 2)
 695                                         warmup_start_weapons_default |= s;
 696                                 if(w & 4)
 697                                         warmup_start_weapons_defaultmask |= s;
 698                         });
 699                 }
 700         }
 701
 702         if (g_jetpack)
 703                 start_items |= ITEM_Jetpack.m_itemid;
 704
 705         MUTATOR_CALLHOOK(SetStartItems);
 706
 707         if (start_items & ITEM_Jetpack.m_itemid)
 708         {
 709                 start_items |= ITEM_JetpackRegen.m_itemid;
 710                 start_ammo_fuel = max(start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
 711                 warmup_start_ammo_fuel = max(warmup_start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
 712         }
 713
 714         WepSet precache_weapons = start_weapons;
 715         if (g_warmup_allguns != 1)
 716                 precache_weapons |= warmup_start_weapons;
 717         FOREACH(Weapons, it != WEP_Null, {
 718                 if(precache_weapons & (it.m_wepset))
 719                         it.wr_init(it);
 720         });
 721
 722         start_ammo_shells = max(0, start_ammo_shells);
 723         start_ammo_nails = max(0, start_ammo_nails);
 724         start_ammo_rockets = max(0, start_ammo_rockets);
 725         start_ammo_cells = max(0, start_ammo_cells);
 726         start_ammo_plasma = max(0, start_ammo_plasma);
 727         start_ammo_fuel = max(0, start_ammo_fuel);
 728         SetResourceAmount(random_start_ammo, RESOURCE_SHELLS, max(0,
 729                 GetResourceAmount(random_start_ammo, RESOURCE_SHELLS)));
 730         SetResourceAmount(random_start_ammo, RESOURCE_BULLETS, max(0,
 731                 GetResourceAmount(random_start_ammo, RESOURCE_BULLETS)));
 732         SetResourceAmount(random_start_ammo, RESOURCE_ROCKETS, max(0,
 733                 GetResourceAmount(random_start_ammo, RESOURCE_ROCKETS)));
 734         SetResourceAmount(random_start_ammo, RESOURCE_CELLS, max(0,
 735                 GetResourceAmount(random_start_ammo, RESOURCE_CELLS)));
 736         SetResourceAmount(random_start_ammo, RESOURCE_PLASMA, max(0,
 737                 GetResourceAmount(random_start_ammo, RESOURCE_PLASMA)));
 738
 739         warmup_start_ammo_shells = max(0, warmup_start_ammo_shells);
 740         warmup_start_ammo_nails = max(0, warmup_start_ammo_nails);
 741         warmup_start_ammo_rockets = max(0, warmup_start_ammo_rockets);
 742         warmup_start_ammo_cells = max(0, warmup_start_ammo_cells);
 743         warmup_start_ammo_plasma = max(0, warmup_start_ammo_plasma);
 744         warmup_start_ammo_fuel = max(0, warmup_start_ammo_fuel);
 745 }
 746
 747 void precache_playermodel(string m)
 748 {
 749         float globhandle, i, n;
 750         string f;
 751
 752         if(substring(m, -9,5) == "_lod1")
 753                 return;
 754         if(substring(m, -9,5) == "_lod2")
 755                 return;
 756         precache_model(m);
 757         f = strcat(substring(m, 0, -5), "_lod1", substring(m, -4, -1));
 758         if(fexists(f))
 759                 precache_model(f);
 760         f = strcat(substring(m, 0, -5), "_lod2", substring(m, -4, -1));
 761         if(fexists(f))
 762                 precache_model(f);
 763
 764         globhandle = search_begin(strcat(m, "_*.sounds"), true, false);
 765         if (globhandle < 0)
 766                 return;
 767         n = search_getsize(globhandle);
 768         for (i = 0; i < n; ++i)
 769         {
 770                 //print(search_getfilename(globhandle, i), "\n");
 771                 f = search_getfilename(globhandle, i);
 772                 PrecachePlayerSounds(f);
 773         }
 774         search_end(globhandle);
 775 }
 776 void precache_all_playermodels(string pattern)
 777 {
 778         int globhandle = search_begin(pattern, true, false);
 779         if (globhandle < 0) return;
 780         int n = search_getsize(globhandle);
 781         for (int i = 0; i < n; ++i)
 782         {
 783                 string s = search_getfilename(globhandle, i);
 784                 precache_playermodel(s);
 785         }
 786         search_end(globhandle);
 787 }
 788
 789 void precache_playermodels(string s)
 790 {
 791         FOREACH_WORD(s, true, { precache_playermodel(it); });
 792 }
 793
 794 void precache()
 795 {
 796     // gamemode related things
 797
 798     // Precache all player models if desired
 799     if (autocvar_sv_precacheplayermodels)
 800     {
 801         PrecachePlayerSounds("sound/player/default.sounds");
 802         precache_all_playermodels("models/player/*.zym");
 803         precache_all_playermodels("models/player/*.dpm");
 804         precache_all_playermodels("models/player/*.md3");
 805         precache_all_playermodels("models/player/*.psk");
 806         precache_all_playermodels("models/player/*.iqm");
 807     }
 808
 809     if (autocvar_sv_defaultcharacter)
 810     {
 811                 precache_playermodels(autocvar_sv_defaultplayermodel_red);
 812                 precache_playermodels(autocvar_sv_defaultplayermodel_blue);
 813                 precache_playermodels(autocvar_sv_defaultplayermodel_yellow);
 814                 precache_playermodels(autocvar_sv_defaultplayermodel_pink);
 815                 precache_playermodels(autocvar_sv_defaultplayermodel);
 816     }
 817
 818 #if 0
 819     // Disabled this code because it simply does not work (e.g. ignores bgmvolume, overlaps with "cd loop" controlled tracks).
 820
 821     if (!this.noise && this.music) // quake 3 uses the music field
 822         this.noise = this.music;
 823
 824     // plays music for the level if there is any
 825     if (this.noise)
 826     {
 827         precache_sound (this.noise);
 828         ambientsound ('0 0 0', this.noise, VOL_BASE, ATTEN_NONE);
 829     }
 830 #endif
 831 }
 832
 833
 834 void make_safe_for_remove(entity e)
 835 {
 836     if (e.initialize_entity)
 837     {
 838         entity ent, prev = NULL;
 839         for (ent = initialize_entity_first; ent; )
 840         {
 841             if ((ent == e) || ((ent.classname == "initialize_entity") && (ent.enemy == e)))
 842             {
 843                 //print("make_safe_for_remove: getting rid of initializer ", etos(ent), "\n");
 844                 // skip it in linked list
 845                 if (prev)
 846                 {
 847                     prev.initialize_entity_next = ent.initialize_entity_next;
 848                     ent = prev.initialize_entity_next;
 849                 }
 850                 else
 851                 {
 852                     initialize_entity_first = ent.initialize_entity_next;
 853                     ent = initialize_entity_first;
 854                 }
 855             }
 856             else
 857             {
 858                 prev = ent;
 859                 ent = ent.initialize_entity_next;
 860             }
 861         }
 862     }
 863 }
 864
 865 .float remove_except_protected_forbidden;
 866 void remove_except_protected(entity e)
 867 {
 868         if(e.remove_except_protected_forbidden)
 869                 error("not allowed to remove this at this point");
 870         builtin_remove(e);
 871 }
 872
 873 void remove_unsafely(entity e)
 874 {
 875     if(e.classname == "spike")
 876         error("Removing spikes is forbidden (crylink bug), please report");
 877     builtin_remove(e);
 878 }
 879
 880 void remove_safely(entity e)
 881 {
 882     make_safe_for_remove(e);
 883     builtin_remove(e);
 884 }
 885
 886 void InitializeEntity(entity e, void(entity this) func, float order)
 887 {
 888     entity prev, cur;
 889
 890     if (!e || e.initialize_entity)
 891     {
 892         // make a proxy initializer entity
 893         entity e_old = e;
 894         e = new(initialize_entity);
 895         e.enemy = e_old;
 896     }
 897
 898     e.initialize_entity = func;
 899     e.initialize_entity_order = order;
 900
 901     cur = initialize_entity_first;
 902     prev = NULL;
 903     for (;;)
 904     {
 905         if (!cur || cur.initialize_entity_order > order)
 906         {
 907             // insert between prev and cur
 908             if (prev)
 909                 prev.initialize_entity_next = e;
 910             else
 911                 initialize_entity_first = e;
 912             e.initialize_entity_next = cur;
 913             return;
 914         }
 915         prev = cur;
 916         cur = cur.initialize_entity_next;
 917     }
 918 }
 919 void InitializeEntitiesRun()
 920 {
 921     entity startoflist = initialize_entity_first;
 922     initialize_entity_first = NULL;
 923     delete_fn = remove_except_protected;
 924     for (entity e = startoflist; e; e = e.initialize_entity_next)
 925     {
 926                 e.remove_except_protected_forbidden = 1;
 927     }
 928     for (entity e = startoflist; e; )
 929     {
 930                 e.remove_except_protected_forbidden = 0;
 931         e.initialize_entity_order = 0;
 932         entity next = e.initialize_entity_next;
 933         e.initialize_entity_next = NULL;
 934         var void(entity this) func = e.initialize_entity;
 935         e.initialize_entity = func_null;
 936         if (e.classname == "initialize_entity")
 937         {
 938             entity wrappee = e.enemy;
 939             builtin_remove(e);
 940             e = wrappee;
 941         }
 942         //dprint("Delayed initialization: ", e.classname, "\n");
 943         if (func)
 944         {
 945                 func(e);
 946         }
 947         else
 948         {
 949             eprint(e);
 950             backtrace(strcat("Null function in: ", e.classname, "\n"));
 951         }
 952         e = next;
 953     }
 954     delete_fn = remove_unsafely;
 955 }
 956
 957 .float(entity) isEliminated;
 958 bool EliminatedPlayers_SendEntity(entity this, entity to, float sendflags)
 959 {
 960         Stream out = MSG_ENTITY;
 961         WriteHeader(out, ENT_CLIENT_ELIMINATEDPLAYERS);
 962         serialize(byte, out, sendflags);
 963         if (sendflags & 1) {
 964                 for (int i = 1; i <= maxclients; i += 8) {
 965                         int f = 0;
 966                         entity e = edict_num(i);
 967                         for (int b = 0; b < 8; ++b, e = nextent(e)) {
 968                                 if (eliminatedPlayers.isEliminated(e)) {
 969                                         f |= BIT(b);
 970                                 }
 971                         }
 972                         serialize(byte, out, f);
 973                 }
 974         }
 975         return true;
 976 }
 977
 978 void EliminatedPlayers_Init(float(entity) isEliminated_func)
 979 {
 980         if(eliminatedPlayers)
 981         {
 982                 backtrace("Can't spawn eliminatedPlayers again!");
 983                 return;
 984         }
 985         Net_LinkEntity(eliminatedPlayers = spawn(), false, 0, EliminatedPlayers_SendEntity);
 986         eliminatedPlayers.isEliminated = isEliminated_func;
 987 }
 988
 989
 990
 991
 992 void adaptor_think2use_hittype_splash(entity this) // for timed projectile detonation
 993 {
 994         if(!(IS_ONGROUND(this))) // if onground, we ARE touching something, but HITTYPE_SPLASH is to be networked if the damage causing projectile is not touching ANYTHING
 995                 this.projectiledeathtype |= HITTYPE_SPLASH;
 996         adaptor_think2use(this);
 997 }
 998
 999 // deferred dropping
1000 void DropToFloor_Handler(entity this)
1001 {
1002     WITHSELF(this, builtin_droptofloor());
1003     this.dropped_origin = this.origin;
1004 }
1005
1006 void droptofloor(entity this)
1007 {
1008     InitializeEntity(this, DropToFloor_Handler, INITPRIO_DROPTOFLOOR);
1009 }
1010
1011
1012
1013 float trace_hits_box_a0, trace_hits_box_a1;
1014
1015 float trace_hits_box_1d(float end, float thmi, float thma)
1016 {
1017     if (end == 0)
1018     {
1019         // just check if x is in range
1020         if (0 < thmi)
1021             return false;
1022         if (0 > thma)
1023             return false;
1024     }
1025     else
1026     {
1027         // do the trace with respect to x
1028         // 0 -> end has to stay in thmi -> thma
1029         trace_hits_box_a0 = max(trace_hits_box_a0, min(thmi / end, thma / end));
1030         trace_hits_box_a1 = min(trace_hits_box_a1, max(thmi / end, thma / end));
1031         if (trace_hits_box_a0 > trace_hits_box_a1)
1032             return false;
1033     }
1034     return true;
1035 }
1036
1037 float trace_hits_box(vector start, vector end, vector thmi, vector thma)
1038 {
1039     end -= start;
1040     thmi -= start;
1041     thma -= start;
1042     // now it is a trace from 0 to end
1043
1044     trace_hits_box_a0 = 0;
1045     trace_hits_box_a1 = 1;
1046
1047     if (!trace_hits_box_1d(end.x, thmi.x, thma.x))
1048         return false;
1049     if (!trace_hits_box_1d(end.y, thmi.y, thma.y))
1050         return false;
1051     if (!trace_hits_box_1d(end.z, thmi.z, thma.z))
1052         return false;
1053
1054     return true;
1055 }
1056
1057 float tracebox_hits_box(vector start, vector mi, vector ma, vector end, vector thmi, vector thma)
1058 {
1059     return trace_hits_box(start, end, thmi - ma, thma - mi);
1060 }
1061
1062 bool SUB_NoImpactCheck(entity this, entity toucher)
1063 {
1064         // zero hitcontents = this is not the real impact, but either the
1065         // mirror-impact of something hitting the projectile instead of the
1066         // projectile hitting the something, or a touchareagrid one. Neither of
1067         // these stop the projectile from moving, so...
1068         if(trace_dphitcontents == 0)
1069         {
1070                 LOG_TRACEF("A hit from a projectile happened with no hit contents! DEBUG THIS, this should never happen for projectiles! Projectile will self-destruct. (edict: %i, classname: %s, origin: %v)", this, this.classname, this.origin);
1071                 checkclient(this);
1072         }
1073     if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1074         return true;
1075     if (toucher == NULL && this.size != '0 0 0')
1076     {
1077         vector tic;
1078         tic = this.velocity * sys_frametime;
1079         tic = tic + normalize(tic) * vlen(this.maxs - this.mins);
1080         traceline(this.origin - tic, this.origin + tic, MOVE_NORMAL, this);
1081         if (trace_fraction >= 1)
1082         {
1083             LOG_TRACE("Odd... did not hit...?");
1084         }
1085         else if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1086         {
1087             LOG_TRACE("Detected and prevented the sky-grapple bug.");
1088             return true;
1089         }
1090     }
1091
1092     return false;
1093 }
1094
1095 #define SUB_OwnerCheck(ent,oth) ((oth) && ((oth) == (ent).owner))
1096
1097 void W_Crylink_Dequeue(entity e);
1098 bool WarpZone_Projectile_Touch_ImpactFilter_Callback(entity this, entity toucher)
1099 {
1100         if(SUB_OwnerCheck(this, toucher))
1101                 return true;
1102         if(SUB_NoImpactCheck(this, toucher))
1103         {
1104                 if(this.classname == "nade")
1105                         return false; // no checks here
1106                 else if(this.classname == "grapplinghook")
1107                         RemoveHook(this);
1108                 else if(this.classname == "spike")
1109                 {
1110                         W_Crylink_Dequeue(this);
1111                         delete(this);
1112                 }
1113                 else
1114                         delete(this);
1115                 return true;
1116         }
1117         if(trace_ent && trace_ent.solid > SOLID_TRIGGER)
1118                 UpdateCSQCProjectile(this);
1119         return false;
1120 }
1121
1122 /** engine callback */
1123 void URI_Get_Callback(float id, float status, string data)
1124 {
1125         if(url_URI_Get_Callback(id, status, data))
1126         {
1127                 // handled
1128         }
1129         else if (id == URI_GET_DISCARD)
1130         {
1131                 // discard
1132         }
1133         else if (id >= URI_GET_CURL && id <= URI_GET_CURL_END)
1134         {
1135                 // sv_cmd curl
1136                 Curl_URI_Get_Callback(id, status, data);
1137         }
1138         else if (id >= URI_GET_IPBAN && id <= URI_GET_IPBAN_END)
1139         {
1140                 // online ban list
1141                 OnlineBanList_URI_Get_Callback(id, status, data);
1142         }
1143         else if (MUTATOR_CALLHOOK(URI_GetCallback, id, status, data))
1144         {
1145                 // handled by a mutator
1146         }
1147         else
1148         {
1149                 LOG_INFO("Received HTTP request data for an invalid id ", ftos(id), ".");
1150         }
1151 }
1152
1153 string uid2name(string myuid) {
1154         string s;
1155         s = db_get(ServerProgsDB, strcat("/uid2name/", myuid));
1156
1157         // FIXME remove this later after 0.6 release
1158         // convert old style broken records to correct style
1159         if(s == "")
1160         {
1161                 s = db_get(ServerProgsDB, strcat("uid2name", myuid));
1162                 if(s != "")
1163                 {
1164                         db_put(ServerProgsDB, strcat("/uid2name/", myuid), s);
1165                         db_remove(ServerProgsDB, strcat("uid2name", myuid));
1166                 }
1167         }
1168
1169         if(s == "")
1170                 s = "^1Unregistered Player";
1171         return s;
1172 }
1173
1174 float MoveToRandomLocationWithinBounds(entity e, vector boundmin, vector boundmax, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1175 {
1176     float m, i;
1177     vector start, org, delta, end, enddown, mstart;
1178
1179     m = e.dphitcontentsmask;
1180     e.dphitcontentsmask = goodcontents | badcontents;
1181
1182     org = boundmin;
1183     delta = boundmax - boundmin;
1184
1185     start = end = org;
1186
1187     for (i = 0; i < attempts; ++i)
1188     {
1189         start.x = org.x + random() * delta.x;
1190         start.y = org.y + random() * delta.y;
1191         start.z = org.z + random() * delta.z;
1192
1193         // rule 1: start inside world bounds, and outside
1194         // solid, and don't start from somewhere where you can
1195         // fall down to evil
1196         tracebox(start, e.mins, e.maxs, start - '0 0 1' * delta.z, MOVE_NORMAL, e);
1197         if (trace_fraction >= 1)
1198             continue;
1199         if (trace_startsolid)
1200             continue;
1201         if (trace_dphitcontents & badcontents)
1202             continue;
1203         if (trace_dphitq3surfaceflags & badsurfaceflags)
1204             continue;
1205
1206         // rule 2: if we are too high, lower the point
1207         if (trace_fraction * delta.z > maxaboveground)
1208             start = trace_endpos + '0 0 1' * maxaboveground;
1209         enddown = trace_endpos;
1210
1211         // rule 3: make sure we aren't outside the map. This only works
1212         // for somewhat well formed maps. A good rule of thumb is that
1213         // the map should have a convex outside hull.
1214         // these can be traceLINES as we already verified the starting box
1215         mstart = start + 0.5 * (e.mins + e.maxs);
1216         traceline(mstart, mstart + '1 0 0' * delta.x, MOVE_NORMAL, e);
1217         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1218             continue;
1219         traceline(mstart, mstart - '1 0 0' * delta.x, MOVE_NORMAL, e);
1220         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1221             continue;
1222         traceline(mstart, mstart + '0 1 0' * delta.y, MOVE_NORMAL, e);
1223         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1224             continue;
1225         traceline(mstart, mstart - '0 1 0' * delta.y, MOVE_NORMAL, e);
1226         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1227             continue;
1228         traceline(mstart, mstart + '0 0 1' * delta.z, MOVE_NORMAL, e);
1229         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1230             continue;
1231
1232         // rule 4: we must "see" some spawnpoint or item
1233     entity sp = NULL;
1234     IL_EACH(g_spawnpoints, checkpvs(mstart, it),
1235     {
1236         if((traceline(mstart, it.origin, MOVE_NORMAL, e), trace_fraction) >= 1)
1237         {
1238                 sp = it;
1239                 break;
1240         }
1241     });
1242         if(!sp)
1243         {
1244                 int items_checked = 0;
1245                 IL_EACH(g_items, checkpvs(mstart, it),
1246                 {
1247                         if((traceline(mstart, it.origin + (it.mins + it.maxs) * 0.5, MOVE_NORMAL, e), trace_fraction) >= 1)
1248                         {
1249                                 sp = it;
1250                                 break;
1251                         }
1252
1253                         ++items_checked;
1254                         if(items_checked >= attempts)
1255                                 break; // sanity
1256                 });
1257
1258                 if(!sp)
1259                         continue;
1260         }
1261
1262         // find a random vector to "look at"
1263         end.x = org.x + random() * delta.x;
1264         end.y = org.y + random() * delta.y;
1265         end.z = org.z + random() * delta.z;
1266         end = start + normalize(end - start) * vlen(delta);
1267
1268         // rule 4: start TO end must not be too short
1269         tracebox(start, e.mins, e.maxs, end, MOVE_NORMAL, e);
1270         if (trace_startsolid)
1271             continue;
1272         if (trace_fraction < minviewdistance / vlen(delta))
1273             continue;
1274
1275         // rule 5: don't want to look at sky
1276         if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
1277             continue;
1278
1279         // rule 6: we must not end up in trigger_hurt
1280         if (tracebox_hits_trigger_hurt(start, e.mins, e.maxs, enddown))
1281             continue;
1282
1283         break;
1284     }
1285
1286     e.dphitcontentsmask = m;
1287
1288     if (i < attempts)
1289     {
1290         setorigin(e, start);
1291         e.angles = vectoangles(end - start);
1292         LOG_DEBUG("Needed ", ftos(i + 1), " attempts");
1293         return true;
1294     }
1295     else
1296         return false;
1297 }
1298
1299 float MoveToRandomMapLocation(entity e, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1300 {
1301         return MoveToRandomLocationWithinBounds(e, world.mins, world.maxs, goodcontents, badcontents, badsurfaceflags, attempts, maxaboveground, minviewdistance);
1302 }
1303
1304 void write_recordmarker(entity pl, float tstart, float dt)
1305 {
1306     GameLogEcho(strcat(":recordset:", ftos(pl.playerid), ":", ftos(dt)));
1307
1308     // also write a marker into demo files for demotc-race-record-extractor to find
1309     stuffcmd(pl,
1310              strcat(
1311                  strcat("//", strconv(2, 0, 0, GetGametype()), " RECORD SET ", TIME_ENCODED_TOSTRING(TIME_ENCODE(dt))),
1312                  " ", ftos(tstart), " ", ftos(dt), "\n"));
1313 }
1314
1315 void attach_sameorigin(entity e, entity to, string tag)
1316 {
1317     vector org, t_forward, t_left, t_up, e_forward, e_up;
1318     float tagscale;
1319
1320     org = e.origin - gettaginfo(to, gettagindex(to, tag));
1321     tagscale = (vlen(v_forward) ** -2); // undo a scale on the tag
1322     t_forward = v_forward * tagscale;
1323     t_left = v_right * -tagscale;
1324     t_up = v_up * tagscale;
1325
1326     e.origin_x = org * t_forward;
1327     e.origin_y = org * t_left;
1328     e.origin_z = org * t_up;
1329
1330     // current forward and up directions
1331     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1332                 e.angles = AnglesTransform_FromVAngles(e.angles);
1333         else
1334                 e.angles = AnglesTransform_FromAngles(e.angles);
1335     fixedmakevectors(e.angles);
1336
1337     // untransform forward, up!
1338     e_forward.x = v_forward * t_forward;
1339     e_forward.y = v_forward * t_left;
1340     e_forward.z = v_forward * t_up;
1341     e_up.x = v_up * t_forward;
1342     e_up.y = v_up * t_left;
1343     e_up.z = v_up * t_up;
1344
1345     e.angles = fixedvectoangles2(e_forward, e_up);
1346     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1347                 e.angles = AnglesTransform_ToVAngles(e.angles);
1348         else
1349                 e.angles = AnglesTransform_ToAngles(e.angles);
1350
1351     setattachment(e, to, tag);
1352     setorigin(e, e.origin);
1353 }
1354
1355 void detach_sameorigin(entity e)
1356 {
1357     vector org;
1358     org = gettaginfo(e, 0);
1359     e.angles = fixedvectoangles2(v_forward, v_up);
1360     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1361                 e.angles = AnglesTransform_ToVAngles(e.angles);
1362         else
1363                 e.angles = AnglesTransform_ToAngles(e.angles);
1364     setorigin(e, org);
1365     setattachment(e, NULL, "");
1366     setorigin(e, e.origin);
1367 }
1368
1369 void follow_sameorigin(entity e, entity to)
1370 {
1371     set_movetype(e, MOVETYPE_FOLLOW); // make the hole follow
1372     e.aiment = to; // make the hole follow bmodel
1373     e.punchangle = to.angles; // the original angles of bmodel
1374     e.view_ofs = e.origin - to.origin; // relative origin
1375     e.v_angle = e.angles - to.angles; // relative angles
1376 }
1377
1378 void unfollow_sameorigin(entity e)
1379 {
1380     set_movetype(e, MOVETYPE_NONE);
1381 }
1382
1383 entity gettaginfo_relative_ent;
1384 vector gettaginfo_relative(entity e, float tag)
1385 {
1386     if (!gettaginfo_relative_ent)
1387     {
1388         gettaginfo_relative_ent = spawn();
1389         gettaginfo_relative_ent.effects = EF_NODRAW;
1390     }
1391     gettaginfo_relative_ent.model = e.model;
1392     gettaginfo_relative_ent.modelindex = e.modelindex;
1393     gettaginfo_relative_ent.frame = e.frame;
1394     return gettaginfo(gettaginfo_relative_ent, tag);
1395 }
1396
1397 .string aiment_classname;
1398 .float aiment_deadflag;
1399 void SetMovetypeFollow(entity ent, entity e)
1400 {
1401         // FIXME this may not be warpzone aware
1402         set_movetype(ent, MOVETYPE_FOLLOW); // make the hole follow
1403         ent.solid = SOLID_NOT; // MOVETYPE_FOLLOW is always non-solid - this means this cannot be teleported by warpzones any more! Instead, we must notice when our owner gets teleported.
1404         ent.aiment = e; // make the hole follow bmodel
1405         ent.punchangle = e.angles; // the original angles of bmodel
1406         ent.view_ofs = ent.origin - e.origin; // relative origin
1407         ent.v_angle = ent.angles - e.angles; // relative angles
1408         ent.aiment_classname = strzone(e.classname);
1409         ent.aiment_deadflag = e.deadflag;
1410 }
1411 void UnsetMovetypeFollow(entity ent)
1412 {
1413         set_movetype(ent, MOVETYPE_FLY);
1414         PROJECTILE_MAKETRIGGER(ent);
1415         ent.aiment = NULL;
1416 }
1417 float LostMovetypeFollow(entity ent)
1418 {
1419 /*
1420         if(ent.move_movetype != MOVETYPE_FOLLOW)
1421                 if(ent.aiment)
1422                         error("???");
1423 */
1424         if(ent.aiment)
1425         {
1426                 if(ent.aiment.classname != ent.aiment_classname)
1427                         return 1;
1428                 if(ent.aiment.deadflag != ent.aiment_deadflag)
1429                         return 1;
1430         }
1431         return 0;
1432 }
1433
1434 .bool pushable;
1435 bool isPushable(entity e)
1436 {
1437         if(e.pushable)
1438                 return true;
1439         if(IS_VEHICLE(e))
1440                 return false;
1441         if(e.iscreature)
1442                 return true;
1443         if (Item_IsLoot(e))
1444         {
1445                 return true;
1446         }
1447         switch(e.classname)
1448         {
1449                 case "body":
1450                         return true;
1451                 case "bullet": // antilagged bullets can't hit this either
1452                         return false;
1453         }
1454         if (e.projectiledeathtype)
1455                 return true;
1456         return false;
1457 }