qcsrc/server/miscfunctions.qc

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