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 <server/mutators/_mod.qh>
   9 #include "../common/t_items.qh"
  10 #include "resources.qh"
  11 #include "items.qh"
  12 #include "player.qh"
  13 #include "weapons/accuracy.qh"
  14 #include "weapons/csqcprojectile.qh"
  15 #include "weapons/selection.qh"
  16 #include "../common/command/_mod.qh"
  17 #include "../common/constants.qh"
  18 #include <common/net_linked.qh>
  19 #include <common/weapons/weapon/crylink.qh>
  20 #include "../common/deathtypes/all.qh"
  21 #include "../common/mapinfo.qh"
  22 #include "../common/notifications/all.qh"
  23 #include "../common/playerstats.qh"
  24 #include "../common/teams.qh"
  25 #include "../common/mapobjects/subs.qh"
  26 #include "../common/util.qh"
  27 #include "../common/turrets/sv_turrets.qh"
  28 #include <common/weapons/_all.qh>
  29 #include "../common/vehicles/sv_vehicles.qh"
  30 #include "../common/vehicles/vehicle.qh"
  31 #include "../common/items/_mod.qh"
  32 #include "../common/state.qh"
  33 #include "../common/effects/qc/globalsound.qh"
  34 #include "../common/wepent.qh"
  35 #include "../lib/csqcmodel/sv_model.qh"
  36 #include "../lib/warpzone/anglestransform.qh"
  37 #include "../lib/warpzone/server.qh"
  38
  39 void crosshair_trace(entity pl)
  40 {
  41         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));
  42 }
  43
  44 void crosshair_trace_plusvisibletriggers(entity pl)
  45 {
  46         crosshair_trace_plusvisibletriggers__is_wz(pl, false);
  47 }
  48
  49 void WarpZone_crosshair_trace_plusvisibletriggers(entity pl)
  50 {
  51         crosshair_trace_plusvisibletriggers__is_wz(pl, true);
  52 }
  53
  54 void crosshair_trace_plusvisibletriggers__is_wz(entity pl, bool is_wz)
  55 {
  56         FOREACH_ENTITY_FLOAT(solid, SOLID_TRIGGER,
  57         {
  58                 if(it.model != "")
  59                 {
  60                         it.solid = SOLID_BSP;
  61                         IL_PUSH(g_ctrace_changed, it);
  62                 }
  63         });
  64
  65         if (is_wz)
  66                 WarpZone_crosshair_trace(pl);
  67         else
  68                 crosshair_trace(pl);
  69
  70         IL_EACH(g_ctrace_changed, true, { it.solid = SOLID_TRIGGER; });
  71
  72         IL_CLEAR(g_ctrace_changed);
  73 }
  74
  75 void WarpZone_crosshair_trace(entity pl)
  76 {
  77         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));
  78 }
  79
  80 void dedicated_print(string input)
  81 {
  82         if (server_is_dedicated) print(input);
  83 }
  84
  85 void GameLogEcho(string s)
  86 {
  87     string fn;
  88     int matches;
  89
  90     if (autocvar_sv_eventlog_files)
  91     {
  92         if (!logfile_open)
  93         {
  94             logfile_open = true;
  95             matches = autocvar_sv_eventlog_files_counter + 1;
  96             cvar_set("sv_eventlog_files_counter", itos(matches));
  97             fn = ftos(matches);
  98             if (strlen(fn) < 8)
  99                 fn = strcat(substring("00000000", 0, 8 - strlen(fn)), fn);
 100             fn = strcat(autocvar_sv_eventlog_files_nameprefix, fn, autocvar_sv_eventlog_files_namesuffix);
 101             logfile = fopen(fn, FILE_APPEND);
 102             fputs(logfile, ":logversion:3\n");
 103         }
 104         if (logfile >= 0)
 105         {
 106             if (autocvar_sv_eventlog_files_timestamps)
 107                 fputs(logfile, strcat(":time:", strftime(true, "%Y-%m-%d %H:%M:%S", "\n", s, "\n")));
 108             else
 109                 fputs(logfile, strcat(s, "\n"));
 110         }
 111     }
 112     if (autocvar_sv_eventlog_console)
 113     {
 114         dedicated_print(strcat(s, "\n"));
 115     }
 116 }
 117
 118 void GameLogInit()
 119 {
 120     logfile_open = 0;
 121     // will be opened later
 122 }
 123
 124 void GameLogClose()
 125 {
 126     if (logfile_open && logfile >= 0)
 127     {
 128         fclose(logfile);
 129         logfile = -1;
 130     }
 131 }
 132
 133 entity findnearest(vector point, bool checkitems, vector axismod)
 134 {
 135     vector dist;
 136     int num_nearest = 0;
 137
 138     IL_EACH(((checkitems) ? g_items : g_locations), ((checkitems) ? (it.target == "###item###") : (it.classname == "target_location")),
 139     {
 140         if ((it.items == IT_KEY1 || it.items == IT_KEY2) && it.target == "###item###")
 141             dist = it.oldorigin;
 142         else
 143             dist = it.origin;
 144         dist = dist - point;
 145         dist = dist.x * axismod.x * '1 0 0' + dist.y * axismod.y * '0 1 0' + dist.z * axismod.z * '0 0 1';
 146         float len = vlen2(dist);
 147
 148         int l;
 149         for (l = 0; l < num_nearest; ++l)
 150         {
 151             if (len < nearest_length[l])
 152                 break;
 153         }
 154
 155         // now i tells us where to insert at
 156         //   INSERTION SORT! YOU'VE SEEN IT! RUN!
 157         if (l < NUM_NEAREST_ENTITIES)
 158         {
 159             for (int j = NUM_NEAREST_ENTITIES - 1; j >= l; --j)
 160             {
 161                 nearest_length[j + 1] = nearest_length[j];
 162                 nearest_entity[j + 1] = nearest_entity[j];
 163             }
 164             nearest_length[l] = len;
 165             nearest_entity[l] = it;
 166             if (num_nearest < NUM_NEAREST_ENTITIES)
 167                 num_nearest = num_nearest + 1;
 168         }
 169     });
 170
 171     // now use the first one from our list that we can see
 172     for (int j = 0; j < num_nearest; ++j)
 173     {
 174         traceline(point, nearest_entity[j].origin, true, NULL);
 175         if (trace_fraction == 1)
 176         {
 177             if (j != 0)
 178                 LOG_TRACEF("Nearest point (%s) is not visible, using a visible one.", nearest_entity[0].netname);
 179             return nearest_entity[j];
 180         }
 181     }
 182
 183     if (num_nearest == 0)
 184         return NULL;
 185
 186     LOG_TRACE("Not seeing any location point, using nearest as fallback.");
 187     /* DEBUGGING CODE:
 188     dprint("Candidates were: ");
 189     for(j = 0; j < num_nearest; ++j)
 190     {
 191         if(j != 0)
 192                 dprint(", ");
 193         dprint(nearest_entity[j].netname);
 194     }
 195     dprint("\n");
 196     */
 197
 198     return nearest_entity[0];
 199 }
 200
 201 string NearestLocation(vector p)
 202 {
 203     string ret = "somewhere";
 204     entity loc = findnearest(p, false, '1 1 1');
 205     if (loc)
 206         ret = loc.message;
 207     else
 208     {
 209         loc = findnearest(p, true, '1 1 4');
 210         if (loc)
 211             ret = loc.netname;
 212     }
 213     return ret;
 214 }
 215
 216 string AmmoNameFromWeaponentity(Weapon wep)
 217 {
 218         string ammoitems = "batteries";
 219         switch (wep.ammo_type)
 220         {
 221                 case RES_SHELLS:  ammoitems = ITEM_Shells.m_name;      break;
 222                 case RES_BULLETS: ammoitems = ITEM_Bullets.m_name;     break;
 223                 case RES_ROCKETS: ammoitems = ITEM_Rockets.m_name;     break;
 224                 case RES_CELLS:   ammoitems = ITEM_Cells.m_name;       break;
 225                 case RES_PLASMA:  ammoitems = ITEM_Plasma.m_name;      break;
 226                 case RES_FUEL:    ammoitems = ITEM_JetpackFuel.m_name; break;
 227         }
 228         return ammoitems;
 229 }
 230
 231 string formatmessage(entity this, string msg)
 232 {
 233         float p, p1, p2;
 234         float n;
 235         vector cursor = '0 0 0';
 236         entity cursor_ent = NULL;
 237         string escape;
 238         string replacement;
 239         p = 0;
 240         n = 7;
 241         bool traced = false;
 242
 243         MUTATOR_CALLHOOK(PreFormatMessage, this, msg);
 244         msg = M_ARGV(1, string);
 245
 246         while (1) {
 247                 if (n < 1)
 248                         break; // too many replacements
 249
 250                 n = n - 1;
 251                 p1 = strstrofs(msg, "%", p); // NOTE: this destroys msg as it's a tempstring!
 252                 p2 = strstrofs(msg, "\\", p); // NOTE: this destroys msg as it's a tempstring!
 253
 254                 if (p1 < 0)
 255                         p1 = p2;
 256
 257                 if (p2 < 0)
 258                         p2 = p1;
 259
 260                 p = min(p1, p2);
 261
 262                 if (p < 0)
 263                         break;
 264
 265                 if(!traced)
 266                 {
 267                         WarpZone_crosshair_trace_plusvisibletriggers(this);
 268                         cursor = trace_endpos;
 269                         cursor_ent = trace_ent;
 270                         traced = true;
 271                 }
 272
 273                 replacement = substring(msg, p, 2);
 274                 escape = substring(msg, p + 1, 1);
 275
 276                 .entity weaponentity = weaponentities[0]; // TODO: unhardcode
 277
 278                 switch(escape)
 279                 {
 280                         case "%": replacement = "%"; break;
 281                         case "\\":replacement = "\\"; break;
 282                         case "n": replacement = "\n"; break;
 283                         case "a": replacement = ftos(floor(GetResource(this, RES_ARMOR))); break;
 284                         case "h": replacement = ftos(floor(GetResource(this, RES_HEALTH))); break;
 285                         case "l": replacement = NearestLocation(this.origin); break;
 286                         case "y": replacement = NearestLocation(cursor); break;
 287                         case "d": replacement = NearestLocation(this.death_origin); break;
 288                         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;
 289                         case "W": replacement = AmmoNameFromWeaponentity(this.(weaponentity).m_weapon); break;
 290                         case "x": replacement = ((cursor_ent.netname == "" || !cursor_ent) ? "nothing" : cursor_ent.netname); break;
 291                         case "s": replacement = ftos(vlen(this.velocity - this.velocity_z * '0 0 1')); break;
 292                         case "S": replacement = ftos(vlen(this.velocity)); break;
 293                         case "t": replacement = seconds_tostring(ceil(max(0, autocvar_timelimit * 60 + game_starttime - time))); break;
 294                         case "T": replacement = seconds_tostring(floor(time - game_starttime)); break;
 295                         default:
 296                         {
 297                                 MUTATOR_CALLHOOK(FormatMessage, this, escape, replacement, msg);
 298                                 replacement = M_ARGV(2, string);
 299                                 break;
 300                         }
 301                 }
 302
 303                 msg = strcat(substring(msg, 0, p), replacement, substring(msg, p+2, strlen(msg) - (p+2)));
 304                 p = p + strlen(replacement);
 305         }
 306         return msg;
 307 }
 308
 309 /*
 310 =============
 311 GetCvars
 312 =============
 313 Called with:
 314   0:  sends the request
 315   >0: receives a cvar from name=argv(f) value=argv(f+1)
 316 */
 317 void GetCvars_handleString(entity this, entity store, string thisname, float f, .string field, string name)
 318 {
 319         if (f < 0)
 320         {
 321                 strfree(store.(field));
 322         }
 323         else if (f > 0)
 324         {
 325                 if (thisname == name)
 326                 {
 327                         strcpy(store.(field), argv(f + 1));
 328                 }
 329         }
 330         else
 331                 stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
 332 }
 333 void GetCvars_handleString_Fixup(entity this, entity store, string thisname, float f, .string field, string name, string(entity, string) func)
 334 {
 335         GetCvars_handleString(this, store, thisname, f, field, name);
 336         if (f >= 0) // also initialize to the fitting value for "" when sending cvars out
 337                 if (thisname == name)
 338                 {
 339                         string s = func(this, strcat1(store.(field)));
 340                         if (s != store.(field))
 341                         {
 342                                 strcpy(store.(field), s);
 343                         }
 344                 }
 345 }
 346 void GetCvars_handleFloat(entity this, entity store, string thisname, float f, .float field, string name)
 347 {
 348         if (f < 0)
 349         {
 350         }
 351         else if (f > 0)
 352         {
 353                 if (thisname == name)
 354                         store.(field) = stof(argv(f + 1));
 355         }
 356         else
 357                 stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
 358 }
 359 void GetCvars_handleFloatOnce(entity this, entity store, string thisname, float f, .float field, string name)
 360 {
 361         if (f < 0)
 362         {
 363         }
 364         else if (f > 0)
 365         {
 366                 if (thisname == name)
 367                 {
 368                         if (!store.(field))
 369                         {
 370                                 store.(field) = stof(argv(f + 1));
 371                                 if (!store.(field))
 372                                         store.(field) = -1;
 373                         }
 374                 }
 375         }
 376         else
 377         {
 378                 if (!store.(field))
 379                         stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
 380         }
 381 }
 382 string W_FixWeaponOrder_ForceComplete_AndBuildImpulseList(entity this, string wo)
 383 {
 384         string o = W_FixWeaponOrder_ForceComplete(wo);
 385         strcpy(CS(this).weaponorder_byimpulse, W_FixWeaponOrder_BuildImpulseList(o));
 386         return o;
 387 }
 388
 389 REPLICATE(autoswitch, bool, "cl_autoswitch");
 390
 391 REPLICATE(cvar_cl_allow_uid2name, bool, "cl_allow_uid2name");
 392
 393 REPLICATE(cvar_cl_autoscreenshot, int, "cl_autoscreenshot");
 394
 395 REPLICATE(cvar_cl_autotaunt, float, "cl_autotaunt");
 396
 397 REPLICATE(cvar_cl_clippedspectating, bool, "cl_clippedspectating");
 398
 399 REPLICATE(cvar_cl_handicap, float, "cl_handicap");
 400
 401 REPLICATE(cvar_cl_jetpack_jump, bool, "cl_jetpack_jump");
 402
 403 REPLICATE(cvar_cl_movement_track_canjump, bool, "cl_movement_track_canjump");
 404
 405 REPLICATE(cvar_cl_newusekeysupported, bool, "cl_newusekeysupported");
 406
 407 REPLICATE(cvar_cl_noantilag, bool, "cl_noantilag");
 408
 409 REPLICATE(cvar_cl_physics, string, "cl_physics");
 410
 411 REPLICATE(cvar_cl_voice_directional, int, "cl_voice_directional");
 412
 413 REPLICATE(cvar_cl_voice_directional_taunt_attenuation, float, "cl_voice_directional_taunt_attenuation");
 414
 415 REPLICATE(cvar_cl_weaponimpulsemode, int, "cl_weaponimpulsemode");
 416
 417 REPLICATE(cvar_g_xonoticversion, string, "g_xonoticversion");
 418
 419 REPLICATE(cvar_cl_cts_noautoswitch, bool, "cl_cts_noautoswitch");
 420
 421 REPLICATE(cvar_cl_weapon_switch_reload, bool, "cl_weapon_switch_reload");
 422
 423 REPLICATE(cvar_cl_weapon_switch_fallback_to_impulse, bool, "cl_weapon_switch_fallback_to_impulse");
 424
 425 /**
 426  * @param f -1: cleanup, 0: request, 1: receive
 427  */
 428 void GetCvars(entity this, entity store, int f)
 429 {
 430         string s = string_null;
 431
 432         if (f > 0)
 433                 s = strcat1(argv(f));
 434
 435         get_cvars_f = f;
 436         get_cvars_s = s;
 437         MUTATOR_CALLHOOK(GetCvars);
 438
 439         Notification_GetCvars(this);
 440
 441         ReplicateVars(this, store, s, f);
 442
 443         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriority, "cl_weaponpriority", W_FixWeaponOrder_ForceComplete_AndBuildImpulseList);
 444         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[0], "cl_weaponpriority0", W_FixWeaponOrder_AllowIncomplete);
 445         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[1], "cl_weaponpriority1", W_FixWeaponOrder_AllowIncomplete);
 446         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[2], "cl_weaponpriority2", W_FixWeaponOrder_AllowIncomplete);
 447         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[3], "cl_weaponpriority3", W_FixWeaponOrder_AllowIncomplete);
 448         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[4], "cl_weaponpriority4", W_FixWeaponOrder_AllowIncomplete);
 449         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[5], "cl_weaponpriority5", W_FixWeaponOrder_AllowIncomplete);
 450         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[6], "cl_weaponpriority6", W_FixWeaponOrder_AllowIncomplete);
 451         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[7], "cl_weaponpriority7", W_FixWeaponOrder_AllowIncomplete);
 452         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[8], "cl_weaponpriority8", W_FixWeaponOrder_AllowIncomplete);
 453         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[9], "cl_weaponpriority9", W_FixWeaponOrder_AllowIncomplete);
 454
 455         GetCvars_handleFloat(this, store, s, f, cvar_cl_allow_uidtracking, "cl_allow_uidtracking");
 456
 457         // fixup of switchweapon (needed for LMS or when spectating is disabled, as PutClientInServer comes too early)
 458         if (f > 0)
 459         {
 460                 if (s == "cl_weaponpriority")
 461                 {
 462                         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 463                         {
 464                                 .entity weaponentity = weaponentities[slot];
 465                                 if (this.(weaponentity) && (this.(weaponentity).m_weapon != WEP_Null || slot == 0))
 466                                         this.(weaponentity).m_switchweapon = w_getbestweapon(this, weaponentity);
 467                         }
 468                 }
 469                 if (s == "cl_allow_uidtracking")
 470                         PlayerStats_GameReport_AddPlayer(this);
 471         }
 472 }
 473
 474 // decolorizes and team colors the player name when needed
 475 string playername(entity p, bool team_colorize)
 476 {
 477     string t;
 478     if (team_colorize && teamplay && !intermission_running && IS_PLAYER(p))
 479     {
 480         t = Team_ColorCode(p.team);
 481         return strcat(t, strdecolorize(p.netname));
 482     }
 483     else
 484         return p.netname;
 485 }
 486
 487 float want_weapon(entity weaponinfo, float allguns) // WEAPONTODO: what still needs done?
 488 {
 489         int i = weaponinfo.m_id;
 490         int d = 0;
 491         bool allow_mutatorblocked = false;
 492
 493         if(!i)
 494                 return 0;
 495
 496         bool mutator_returnvalue = MUTATOR_CALLHOOK(WantWeapon, weaponinfo, d, allguns, allow_mutatorblocked);
 497         d = M_ARGV(1, float);
 498         allguns = M_ARGV(2, bool);
 499         allow_mutatorblocked = M_ARGV(3, bool);
 500
 501         if(allguns)
 502         {
 503                 if(weaponinfo.spawnflags & WEP_FLAG_NORMAL)
 504                         d = true;
 505                 else
 506                         d = false;
 507         }
 508         else if(!mutator_returnvalue)
 509                 d = !(!weaponinfo.weaponstart);
 510
 511         if(!allow_mutatorblocked && (weaponinfo.spawnflags & WEP_FLAG_MUTATORBLOCKED)) // never default mutator blocked guns
 512                 d = 0;
 513
 514         float t = weaponinfo.weaponstartoverride;
 515
 516         //print(strcat("want_weapon: ", weaponinfo.netname, " - d: ", ftos(d), ", t: ", ftos(t), ". \n"));
 517
 518         // bit order in t:
 519         // 1: want or not
 520         // 2: is default?
 521         // 4: is set by default?
 522         if(t < 0)
 523                 t = 4 | (3 * d);
 524         else
 525                 t |= (2 * d);
 526
 527         return t;
 528 }
 529
 530 void readplayerstartcvars()
 531 {
 532         float i, t;
 533         string s;
 534
 535         // initialize starting values for players
 536         start_weapons = '0 0 0';
 537         start_weapons_default = '0 0 0';
 538         start_weapons_defaultmask = '0 0 0';
 539         start_items = 0;
 540         start_ammo_shells = 0;
 541         start_ammo_nails = 0;
 542         start_ammo_rockets = 0;
 543         start_ammo_cells = 0;
 544         start_ammo_plasma = 0;
 545         if (random_start_ammo == NULL)
 546         {
 547                 random_start_ammo = spawn();
 548         }
 549         start_health = cvar("g_balance_health_start");
 550         start_armorvalue = cvar("g_balance_armor_start");
 551
 552         g_weaponarena = 0;
 553         g_weaponarena_weapons = '0 0 0';
 554
 555         s = cvar_string("g_weaponarena");
 556
 557         MUTATOR_CALLHOOK(SetWeaponArena, s);
 558         s = M_ARGV(0, string);
 559
 560         if (s == "0" || s == "")
 561         {
 562                 // no arena
 563         }
 564         else if (s == "off")
 565         {
 566                 // forcibly turn off weaponarena
 567         }
 568         else if (s == "all" || s == "1")
 569         {
 570                 g_weaponarena = 1;
 571                 g_weaponarena_list = "All Weapons";
 572                 FOREACH(Weapons, it != WEP_Null, {
 573                         if(!(it.spawnflags & WEP_FLAG_MUTATORBLOCKED))
 574                                 g_weaponarena_weapons |= (it.m_wepset);
 575                 });
 576         }
 577         else if (s == "devall")
 578         {
 579                 g_weaponarena = 1;
 580                 g_weaponarena_list = "All Weapons"; // TODO: report as more than just all weapons?
 581                 FOREACH(Weapons, it != WEP_Null,
 582                 {
 583                         g_weaponarena_weapons |= (it.m_wepset);
 584                 });
 585         }
 586         else if (s == "most")
 587         {
 588                 g_weaponarena = 1;
 589                 g_weaponarena_list = "Most Weapons";
 590                 FOREACH(Weapons, it != WEP_Null, {
 591                         if(!(it.spawnflags & WEP_FLAG_MUTATORBLOCKED))
 592                                 if(it.spawnflags & WEP_FLAG_NORMAL)
 593                                         g_weaponarena_weapons |= (it.m_wepset);
 594                 });
 595         }
 596         else if (s == "none")
 597         {
 598                 g_weaponarena = 1;
 599                 g_weaponarena_list = "No Weapons";
 600         }
 601         else
 602         {
 603                 g_weaponarena = 1;
 604                 t = tokenize_console(s);
 605                 g_weaponarena_list = "";
 606                 for (i = 0; i < t; ++i)
 607                 {
 608                         s = argv(i);
 609                         Weapon wep = Weapons_fromstr(s);
 610                         if(wep != WEP_Null)
 611                         {
 612                                 g_weaponarena_weapons |= (wep.m_wepset);
 613                                 g_weaponarena_list = strcat(g_weaponarena_list, wep.m_name, " & ");
 614                         }
 615                 }
 616                 g_weaponarena_list = strzone(substring(g_weaponarena_list, 0, strlen(g_weaponarena_list) - 3));
 617         }
 618
 619         if (g_weaponarena)
 620         {
 621                 g_weapon_stay = 0; // incompatible
 622                 start_weapons = g_weaponarena_weapons;
 623                 start_items |= IT_UNLIMITED_AMMO;
 624         }
 625         else
 626         {
 627                 FOREACH(Weapons, it != WEP_Null, {
 628                         int w = want_weapon(it, false);
 629                         WepSet s = it.m_wepset;
 630                         if(w & 1)
 631                                 start_weapons |= s;
 632                         if(w & 2)
 633                                 start_weapons_default |= s;
 634                         if(w & 4)
 635                                 start_weapons_defaultmask |= s;
 636                 });
 637         }
 638
 639         if(cvar("g_balance_superweapons_time") < 0)
 640                 start_items |= IT_UNLIMITED_SUPERWEAPONS;
 641
 642         if(!cvar("g_use_ammunition"))
 643                 start_items |= IT_UNLIMITED_AMMO;
 644
 645         if(start_items & IT_UNLIMITED_WEAPON_AMMO)
 646         {
 647                 start_ammo_shells = 999;
 648                 start_ammo_nails = 999;
 649                 start_ammo_rockets = 999;
 650                 start_ammo_cells = 999;
 651                 start_ammo_plasma = 999;
 652                 start_ammo_fuel = 999;
 653         }
 654         else
 655         {
 656                 start_ammo_shells = cvar("g_start_ammo_shells");
 657                 start_ammo_nails = cvar("g_start_ammo_nails");
 658                 start_ammo_rockets = cvar("g_start_ammo_rockets");
 659                 start_ammo_cells = cvar("g_start_ammo_cells");
 660                 start_ammo_plasma = cvar("g_start_ammo_plasma");
 661                 start_ammo_fuel = cvar("g_start_ammo_fuel");
 662                 random_start_weapons_count = cvar("g_random_start_weapons_count");
 663                 SetResource(random_start_ammo, RES_SHELLS, cvar(
 664                         "g_random_start_shells"));
 665                 SetResource(random_start_ammo, RES_BULLETS, cvar(
 666                         "g_random_start_bullets"));
 667                 SetResource(random_start_ammo, RES_ROCKETS,
 668                         cvar("g_random_start_rockets"));
 669                 SetResource(random_start_ammo, RES_CELLS, cvar(
 670                         "g_random_start_cells"));
 671                 SetResource(random_start_ammo, RES_PLASMA, cvar(
 672                         "g_random_start_plasma"));
 673         }
 674
 675         if (warmup_stage)
 676         {
 677                 warmup_start_ammo_shells = start_ammo_shells;
 678                 warmup_start_ammo_nails = start_ammo_nails;
 679                 warmup_start_ammo_rockets = start_ammo_rockets;
 680                 warmup_start_ammo_cells = start_ammo_cells;
 681                 warmup_start_ammo_plasma = start_ammo_plasma;
 682                 warmup_start_ammo_fuel = start_ammo_fuel;
 683                 warmup_start_health = start_health;
 684                 warmup_start_armorvalue = start_armorvalue;
 685                 warmup_start_weapons = start_weapons;
 686                 warmup_start_weapons_default = start_weapons_default;
 687                 warmup_start_weapons_defaultmask = start_weapons_defaultmask;
 688
 689                 if (!g_weaponarena && !g_ca && !g_freezetag)
 690                 {
 691                         warmup_start_ammo_shells = cvar("g_warmup_start_ammo_shells");
 692                         warmup_start_ammo_nails = cvar("g_warmup_start_ammo_nails");
 693                         warmup_start_ammo_rockets = cvar("g_warmup_start_ammo_rockets");
 694                         warmup_start_ammo_cells = cvar("g_warmup_start_ammo_cells");
 695                         warmup_start_ammo_plasma = cvar("g_warmup_start_ammo_plasma");
 696                         warmup_start_ammo_fuel = cvar("g_warmup_start_ammo_fuel");
 697                         warmup_start_health = cvar("g_warmup_start_health");
 698                         warmup_start_armorvalue = cvar("g_warmup_start_armor");
 699                         warmup_start_weapons = '0 0 0';
 700                         warmup_start_weapons_default = '0 0 0';
 701                         warmup_start_weapons_defaultmask = '0 0 0';
 702                         FOREACH(Weapons, it != WEP_Null, {
 703                                 int w = want_weapon(it, g_warmup_allguns);
 704                                 WepSet s = (it.m_wepset);
 705                                 if(w & 1)
 706                                         warmup_start_weapons |= s;
 707                                 if(w & 2)
 708                                         warmup_start_weapons_default |= s;
 709                                 if(w & 4)
 710                                         warmup_start_weapons_defaultmask |= s;
 711                         });
 712                 }
 713         }
 714
 715         if (g_jetpack)
 716                 start_items |= ITEM_Jetpack.m_itemid;
 717
 718         MUTATOR_CALLHOOK(SetStartItems);
 719
 720         if (start_items & ITEM_Jetpack.m_itemid)
 721         {
 722                 start_items |= ITEM_JetpackRegen.m_itemid;
 723                 start_ammo_fuel = max(start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
 724                 warmup_start_ammo_fuel = max(warmup_start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
 725         }
 726
 727         WepSet precache_weapons = start_weapons;
 728         if (g_warmup_allguns != 1)
 729                 precache_weapons |= warmup_start_weapons;
 730         FOREACH(Weapons, it != WEP_Null, {
 731                 if(precache_weapons & (it.m_wepset))
 732                         it.wr_init(it);
 733         });
 734
 735         start_ammo_shells = max(0, start_ammo_shells);
 736         start_ammo_nails = max(0, start_ammo_nails);
 737         start_ammo_rockets = max(0, start_ammo_rockets);
 738         start_ammo_cells = max(0, start_ammo_cells);
 739         start_ammo_plasma = max(0, start_ammo_plasma);
 740         start_ammo_fuel = max(0, start_ammo_fuel);
 741         SetResource(random_start_ammo, RES_SHELLS, max(0,
 742                 GetResource(random_start_ammo, RES_SHELLS)));
 743         SetResource(random_start_ammo, RES_BULLETS, max(0,
 744                 GetResource(random_start_ammo, RES_BULLETS)));
 745         SetResource(random_start_ammo, RES_ROCKETS, max(0,
 746                 GetResource(random_start_ammo, RES_ROCKETS)));
 747         SetResource(random_start_ammo, RES_CELLS, max(0,
 748                 GetResource(random_start_ammo, RES_CELLS)));
 749         SetResource(random_start_ammo, RES_PLASMA, max(0,
 750                 GetResource(random_start_ammo, RES_PLASMA)));
 751
 752         warmup_start_ammo_shells = max(0, warmup_start_ammo_shells);
 753         warmup_start_ammo_nails = max(0, warmup_start_ammo_nails);
 754         warmup_start_ammo_rockets = max(0, warmup_start_ammo_rockets);
 755         warmup_start_ammo_cells = max(0, warmup_start_ammo_cells);
 756         warmup_start_ammo_plasma = max(0, warmup_start_ammo_plasma);
 757         warmup_start_ammo_fuel = max(0, warmup_start_ammo_fuel);
 758 }
 759
 760 void precache_playermodel(string m)
 761 {
 762         float globhandle, i, n;
 763         string f;
 764
 765         if(substring(m, -9,5) == "_lod1")
 766                 return;
 767         if(substring(m, -9,5) == "_lod2")
 768                 return;
 769         precache_model(m);
 770         f = strcat(substring(m, 0, -5), "_lod1", substring(m, -4, -1));
 771         if(fexists(f))
 772                 precache_model(f);
 773         f = strcat(substring(m, 0, -5), "_lod2", substring(m, -4, -1));
 774         if(fexists(f))
 775                 precache_model(f);
 776
 777         globhandle = search_begin(strcat(m, "_*.sounds"), true, false);
 778         if (globhandle < 0)
 779                 return;
 780         n = search_getsize(globhandle);
 781         for (i = 0; i < n; ++i)
 782         {
 783                 //print(search_getfilename(globhandle, i), "\n");
 784                 f = search_getfilename(globhandle, i);
 785                 PrecachePlayerSounds(f);
 786         }
 787         search_end(globhandle);
 788 }
 789 void precache_all_playermodels(string pattern)
 790 {
 791         int globhandle = search_begin(pattern, true, false);
 792         if (globhandle < 0) return;
 793         int n = search_getsize(globhandle);
 794         for (int i = 0; i < n; ++i)
 795         {
 796                 string s = search_getfilename(globhandle, i);
 797                 precache_playermodel(s);
 798         }
 799         search_end(globhandle);
 800 }
 801
 802 void precache_playermodels(string s)
 803 {
 804         FOREACH_WORD(s, true, { precache_playermodel(it); });
 805 }
 806
 807 void precache()
 808 {
 809     // gamemode related things
 810
 811     // Precache all player models if desired
 812     if (autocvar_sv_precacheplayermodels)
 813     {
 814         PrecachePlayerSounds("sound/player/default.sounds");
 815         precache_all_playermodels("models/player/*.zym");
 816         precache_all_playermodels("models/player/*.dpm");
 817         precache_all_playermodels("models/player/*.md3");
 818         precache_all_playermodels("models/player/*.psk");
 819         precache_all_playermodels("models/player/*.iqm");
 820     }
 821
 822     if (autocvar_sv_defaultcharacter)
 823     {
 824                 precache_playermodels(autocvar_sv_defaultplayermodel_red);
 825                 precache_playermodels(autocvar_sv_defaultplayermodel_blue);
 826                 precache_playermodels(autocvar_sv_defaultplayermodel_yellow);
 827                 precache_playermodels(autocvar_sv_defaultplayermodel_pink);
 828                 precache_playermodels(autocvar_sv_defaultplayermodel);
 829     }
 830
 831 #if 0
 832     // Disabled this code because it simply does not work (e.g. ignores bgmvolume, overlaps with "cd loop" controlled tracks).
 833
 834     if (!this.noise && this.music) // quake 3 uses the music field
 835         this.noise = this.music;
 836
 837     // plays music for the level if there is any
 838     if (this.noise)
 839     {
 840         precache_sound (this.noise);
 841         ambientsound ('0 0 0', this.noise, VOL_BASE, ATTEN_NONE);
 842     }
 843 #endif
 844 }
 845
 846
 847 void make_safe_for_remove(entity e)
 848 {
 849     if (e.initialize_entity)
 850     {
 851         entity ent, prev = NULL;
 852         for (ent = initialize_entity_first; ent; )
 853         {
 854             if ((ent == e) || ((ent.classname == "initialize_entity") && (ent.enemy == e)))
 855             {
 856                 //print("make_safe_for_remove: getting rid of initializer ", etos(ent), "\n");
 857                 // skip it in linked list
 858                 if (prev)
 859                 {
 860                     prev.initialize_entity_next = ent.initialize_entity_next;
 861                     ent = prev.initialize_entity_next;
 862                 }
 863                 else
 864                 {
 865                     initialize_entity_first = ent.initialize_entity_next;
 866                     ent = initialize_entity_first;
 867                 }
 868             }
 869             else
 870             {
 871                 prev = ent;
 872                 ent = ent.initialize_entity_next;
 873             }
 874         }
 875     }
 876 }
 877
 878 .float remove_except_protected_forbidden;
 879 void remove_except_protected(entity e)
 880 {
 881         if(e.remove_except_protected_forbidden)
 882                 error("not allowed to remove this at this point");
 883         builtin_remove(e);
 884 }
 885
 886 void remove_unsafely(entity e)
 887 {
 888     if(e.classname == "spike")
 889         error("Removing spikes is forbidden (crylink bug), please report");
 890     builtin_remove(e);
 891 }
 892
 893 void remove_safely(entity e)
 894 {
 895     make_safe_for_remove(e);
 896     builtin_remove(e);
 897 }
 898
 899 void InitializeEntity(entity e, void(entity this) func, int order)
 900 {
 901     entity prev, cur;
 902
 903     if (!e || e.initialize_entity)
 904     {
 905         // make a proxy initializer entity
 906         entity e_old = e;
 907         e = new(initialize_entity);
 908         e.enemy = e_old;
 909     }
 910
 911     e.initialize_entity = func;
 912     e.initialize_entity_order = order;
 913
 914     cur = initialize_entity_first;
 915     prev = NULL;
 916     for (;;)
 917     {
 918         if (!cur || cur.initialize_entity_order > order)
 919         {
 920             // insert between prev and cur
 921             if (prev)
 922                 prev.initialize_entity_next = e;
 923             else
 924                 initialize_entity_first = e;
 925             e.initialize_entity_next = cur;
 926             return;
 927         }
 928         prev = cur;
 929         cur = cur.initialize_entity_next;
 930     }
 931 }
 932 void InitializeEntitiesRun()
 933 {
 934     entity startoflist = initialize_entity_first;
 935     initialize_entity_first = NULL;
 936     delete_fn = remove_except_protected;
 937     for (entity e = startoflist; e; e = e.initialize_entity_next)
 938     {
 939                 e.remove_except_protected_forbidden = 1;
 940     }
 941     for (entity e = startoflist; e; )
 942     {
 943                 e.remove_except_protected_forbidden = 0;
 944         e.initialize_entity_order = 0;
 945         entity next = e.initialize_entity_next;
 946         e.initialize_entity_next = NULL;
 947         var void(entity this) func = e.initialize_entity;
 948         e.initialize_entity = func_null;
 949         if (e.classname == "initialize_entity")
 950         {
 951             entity wrappee = e.enemy;
 952             builtin_remove(e);
 953             e = wrappee;
 954         }
 955         //dprint("Delayed initialization: ", e.classname, "\n");
 956         if (func)
 957         {
 958                 func(e);
 959         }
 960         else
 961         {
 962             eprint(e);
 963             backtrace(strcat("Null function in: ", e.classname, "\n"));
 964         }
 965         e = next;
 966     }
 967     delete_fn = remove_unsafely;
 968 }
 969
 970 .float(entity) isEliminated;
 971 bool EliminatedPlayers_SendEntity(entity this, entity to, float sendflags)
 972 {
 973         Stream out = MSG_ENTITY;
 974         WriteHeader(out, ENT_CLIENT_ELIMINATEDPLAYERS);
 975         serialize(byte, out, sendflags);
 976         if (sendflags & 1) {
 977                 for (int i = 1; i <= maxclients; i += 8) {
 978                         int f = 0;
 979                         entity e = edict_num(i);
 980                         for (int b = 0; b < 8; ++b, e = nextent(e)) {
 981                                 if (eliminatedPlayers.isEliminated(e)) {
 982                                         f |= BIT(b);
 983                                 }
 984                         }
 985                         serialize(byte, out, f);
 986                 }
 987         }
 988         return true;
 989 }
 990
 991 void EliminatedPlayers_Init(float(entity) isEliminated_func)
 992 {
 993         if(eliminatedPlayers)
 994         {
 995                 backtrace("Can't spawn eliminatedPlayers again!");
 996                 return;
 997         }
 998         Net_LinkEntity(eliminatedPlayers = spawn(), false, 0, EliminatedPlayers_SendEntity);
 999         eliminatedPlayers.isEliminated = isEliminated_func;
1000 }
1001
1002
1003
1004
1005 void adaptor_think2use_hittype_splash(entity this) // for timed projectile detonation
1006 {
1007         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
1008                 this.projectiledeathtype |= HITTYPE_SPLASH;
1009         adaptor_think2use(this);
1010 }
1011
1012 // deferred dropping
1013 void DropToFloor_Handler(entity this)
1014 {
1015     WITHSELF(this, builtin_droptofloor());
1016     this.dropped_origin = this.origin;
1017 }
1018
1019 void droptofloor(entity this)
1020 {
1021     InitializeEntity(this, DropToFloor_Handler, INITPRIO_DROPTOFLOOR);
1022 }
1023
1024
1025
1026 float trace_hits_box_a0, trace_hits_box_a1;
1027
1028 float trace_hits_box_1d(float end, float thmi, float thma)
1029 {
1030     if (end == 0)
1031     {
1032         // just check if x is in range
1033         if (0 < thmi)
1034             return false;
1035         if (0 > thma)
1036             return false;
1037     }
1038     else
1039     {
1040         // do the trace with respect to x
1041         // 0 -> end has to stay in thmi -> thma
1042         trace_hits_box_a0 = max(trace_hits_box_a0, min(thmi / end, thma / end));
1043         trace_hits_box_a1 = min(trace_hits_box_a1, max(thmi / end, thma / end));
1044         if (trace_hits_box_a0 > trace_hits_box_a1)
1045             return false;
1046     }
1047     return true;
1048 }
1049
1050 float trace_hits_box(vector start, vector end, vector thmi, vector thma)
1051 {
1052     end -= start;
1053     thmi -= start;
1054     thma -= start;
1055     // now it is a trace from 0 to end
1056
1057     trace_hits_box_a0 = 0;
1058     trace_hits_box_a1 = 1;
1059
1060     if (!trace_hits_box_1d(end.x, thmi.x, thma.x))
1061         return false;
1062     if (!trace_hits_box_1d(end.y, thmi.y, thma.y))
1063         return false;
1064     if (!trace_hits_box_1d(end.z, thmi.z, thma.z))
1065         return false;
1066
1067     return true;
1068 }
1069
1070 float tracebox_hits_box(vector start, vector mi, vector ma, vector end, vector thmi, vector thma)
1071 {
1072     return trace_hits_box(start, end, thmi - ma, thma - mi);
1073 }
1074
1075 bool SUB_NoImpactCheck(entity this, entity toucher)
1076 {
1077         // zero hitcontents = this is not the real impact, but either the
1078         // mirror-impact of something hitting the projectile instead of the
1079         // projectile hitting the something, or a touchareagrid one. Neither of
1080         // these stop the projectile from moving, so...
1081         if(trace_dphitcontents == 0)
1082         {
1083                 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);
1084                 checkclient(this); // TODO: .health is checked in the engine with this, possibly replace with a QC function?
1085         }
1086     if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1087         return true;
1088     if (toucher == NULL && this.size != '0 0 0')
1089     {
1090         vector tic;
1091         tic = this.velocity * sys_frametime;
1092         tic = tic + normalize(tic) * vlen(this.maxs - this.mins);
1093         traceline(this.origin - tic, this.origin + tic, MOVE_NORMAL, this);
1094         if (trace_fraction >= 1)
1095         {
1096             LOG_TRACE("Odd... did not hit...?");
1097         }
1098         else if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1099         {
1100             LOG_TRACE("Detected and prevented the sky-grapple bug.");
1101             return true;
1102         }
1103     }
1104
1105     return false;
1106 }
1107
1108 #define SUB_OwnerCheck(ent,oth) ((oth) && ((oth) == (ent).owner))
1109
1110 bool WarpZone_Projectile_Touch_ImpactFilter_Callback(entity this, entity toucher)
1111 {
1112         if(SUB_OwnerCheck(this, toucher))
1113                 return true;
1114         if(SUB_NoImpactCheck(this, toucher))
1115         {
1116                 if(this.classname == "nade")
1117                         return false; // no checks here
1118                 else if(this.classname == "grapplinghook")
1119                         RemoveHook(this);
1120                 else if(this.classname == "spike")
1121                 {
1122                         W_Crylink_Dequeue(this);
1123                         delete(this);
1124                 }
1125                 else
1126                         delete(this);
1127                 return true;
1128         }
1129         if(trace_ent && trace_ent.solid > SOLID_TRIGGER)
1130                 UpdateCSQCProjectile(this);
1131         return false;
1132 }
1133
1134 /** engine callback */
1135 void URI_Get_Callback(float id, float status, string data)
1136 {
1137         if(url_URI_Get_Callback(id, status, data))
1138         {
1139                 // handled
1140         }
1141         else if (id == URI_GET_DISCARD)
1142         {
1143                 // discard
1144         }
1145         else if (id >= URI_GET_CURL && id <= URI_GET_CURL_END)
1146         {
1147                 // sv_cmd curl
1148                 Curl_URI_Get_Callback(id, status, data);
1149         }
1150         else if (id >= URI_GET_IPBAN && id <= URI_GET_IPBAN_END)
1151         {
1152                 // online ban list
1153                 OnlineBanList_URI_Get_Callback(id, status, data);
1154         }
1155         else if (MUTATOR_CALLHOOK(URI_GetCallback, id, status, data))
1156         {
1157                 // handled by a mutator
1158         }
1159         else
1160         {
1161                 LOG_INFO("Received HTTP request data for an invalid id ", ftos(id), ".");
1162         }
1163 }
1164
1165 string uid2name(string myuid) {
1166         string s;
1167         s = db_get(ServerProgsDB, strcat("/uid2name/", myuid));
1168
1169         // FIXME remove this later after 0.6 release
1170         // convert old style broken records to correct style
1171         if(s == "")
1172         {
1173                 s = db_get(ServerProgsDB, strcat("uid2name", myuid));
1174                 if(s != "")
1175                 {
1176                         db_put(ServerProgsDB, strcat("/uid2name/", myuid), s);
1177                         db_remove(ServerProgsDB, strcat("uid2name", myuid));
1178                 }
1179         }
1180
1181         if(s == "")
1182                 s = "^1Unregistered Player";
1183         return s;
1184 }
1185
1186 float MoveToRandomLocationWithinBounds(entity e, vector boundmin, vector boundmax, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1187 {
1188     float m, i;
1189     vector start, org, delta, end, enddown, mstart;
1190
1191     m = e.dphitcontentsmask;
1192     e.dphitcontentsmask = goodcontents | badcontents;
1193
1194     org = boundmin;
1195     delta = boundmax - boundmin;
1196
1197     start = end = org;
1198
1199     for (i = 0; i < attempts; ++i)
1200     {
1201         start.x = org.x + random() * delta.x;
1202         start.y = org.y + random() * delta.y;
1203         start.z = org.z + random() * delta.z;
1204
1205         // rule 1: start inside world bounds, and outside
1206         // solid, and don't start from somewhere where you can
1207         // fall down to evil
1208         tracebox(start, e.mins, e.maxs, start - '0 0 1' * delta.z, MOVE_NORMAL, e);
1209         if (trace_fraction >= 1)
1210             continue;
1211         if (trace_startsolid)
1212             continue;
1213         if (trace_dphitcontents & badcontents)
1214             continue;
1215         if (trace_dphitq3surfaceflags & badsurfaceflags)
1216             continue;
1217
1218         // rule 2: if we are too high, lower the point
1219         if (trace_fraction * delta.z > maxaboveground)
1220             start = trace_endpos + '0 0 1' * maxaboveground;
1221         enddown = trace_endpos;
1222
1223         // rule 3: make sure we aren't outside the map. This only works
1224         // for somewhat well formed maps. A good rule of thumb is that
1225         // the map should have a convex outside hull.
1226         // these can be traceLINES as we already verified the starting box
1227         mstart = start + 0.5 * (e.mins + e.maxs);
1228         traceline(mstart, mstart + '1 0 0' * delta.x, MOVE_NORMAL, e);
1229         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1230             continue;
1231         traceline(mstart, mstart - '1 0 0' * delta.x, MOVE_NORMAL, e);
1232         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1233             continue;
1234         traceline(mstart, mstart + '0 1 0' * delta.y, MOVE_NORMAL, e);
1235         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1236             continue;
1237         traceline(mstart, mstart - '0 1 0' * delta.y, MOVE_NORMAL, e);
1238         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1239             continue;
1240         traceline(mstart, mstart + '0 0 1' * delta.z, MOVE_NORMAL, e);
1241         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1242             continue;
1243
1244         // rule 4: we must "see" some spawnpoint or item
1245     entity sp = NULL;
1246     IL_EACH(g_spawnpoints, checkpvs(mstart, it),
1247     {
1248         if((traceline(mstart, it.origin, MOVE_NORMAL, e), trace_fraction) >= 1)
1249         {
1250                 sp = it;
1251                 break;
1252         }
1253     });
1254         if(!sp)
1255         {
1256                 int items_checked = 0;
1257                 IL_EACH(g_items, checkpvs(mstart, it),
1258                 {
1259                         if((traceline(mstart, it.origin + (it.mins + it.maxs) * 0.5, MOVE_NORMAL, e), trace_fraction) >= 1)
1260                         {
1261                                 sp = it;
1262                                 break;
1263                         }
1264
1265                         ++items_checked;
1266                         if(items_checked >= attempts)
1267                                 break; // sanity
1268                 });
1269
1270                 if(!sp)
1271                         continue;
1272         }
1273
1274         // find a random vector to "look at"
1275         end.x = org.x + random() * delta.x;
1276         end.y = org.y + random() * delta.y;
1277         end.z = org.z + random() * delta.z;
1278         end = start + normalize(end - start) * vlen(delta);
1279
1280         // rule 4: start TO end must not be too short
1281         tracebox(start, e.mins, e.maxs, end, MOVE_NORMAL, e);
1282         if (trace_startsolid)
1283             continue;
1284         if (trace_fraction < minviewdistance / vlen(delta))
1285             continue;
1286
1287         // rule 5: don't want to look at sky
1288         if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
1289             continue;
1290
1291         // rule 6: we must not end up in trigger_hurt
1292         if (tracebox_hits_trigger_hurt(start, e.mins, e.maxs, enddown))
1293             continue;
1294
1295         break;
1296     }
1297
1298     e.dphitcontentsmask = m;
1299
1300     if (i < attempts)
1301     {
1302         setorigin(e, start);
1303         e.angles = vectoangles(end - start);
1304         LOG_DEBUG("Needed ", ftos(i + 1), " attempts");
1305         return true;
1306     }
1307     else
1308         return false;
1309 }
1310
1311 float MoveToRandomMapLocation(entity e, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1312 {
1313         return MoveToRandomLocationWithinBounds(e, world.mins, world.maxs, goodcontents, badcontents, badsurfaceflags, attempts, maxaboveground, minviewdistance);
1314 }
1315
1316 void write_recordmarker(entity pl, float tstart, float dt)
1317 {
1318     GameLogEcho(strcat(":recordset:", ftos(pl.playerid), ":", ftos(dt)));
1319
1320     // also write a marker into demo files for demotc-race-record-extractor to find
1321     stuffcmd(pl,
1322              strcat(
1323                  strcat("//", strconv(2, 0, 0, GetGametype()), " RECORD SET ", TIME_ENCODED_TOSTRING(TIME_ENCODE(dt))),
1324                  " ", ftos(tstart), " ", ftos(dt), "\n"));
1325 }
1326
1327 void attach_sameorigin(entity e, entity to, string tag)
1328 {
1329     vector org, t_forward, t_left, t_up, e_forward, e_up;
1330     float tagscale;
1331
1332     org = e.origin - gettaginfo(to, gettagindex(to, tag));
1333     tagscale = (vlen(v_forward) ** -2); // undo a scale on the tag
1334     t_forward = v_forward * tagscale;
1335     t_left = v_right * -tagscale;
1336     t_up = v_up * tagscale;
1337
1338     e.origin_x = org * t_forward;
1339     e.origin_y = org * t_left;
1340     e.origin_z = org * t_up;
1341
1342     // current forward and up directions
1343     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1344                 e.angles = AnglesTransform_FromVAngles(e.angles);
1345         else
1346                 e.angles = AnglesTransform_FromAngles(e.angles);
1347     fixedmakevectors(e.angles);
1348
1349     // untransform forward, up!
1350     e_forward.x = v_forward * t_forward;
1351     e_forward.y = v_forward * t_left;
1352     e_forward.z = v_forward * t_up;
1353     e_up.x = v_up * t_forward;
1354     e_up.y = v_up * t_left;
1355     e_up.z = v_up * t_up;
1356
1357     e.angles = fixedvectoangles2(e_forward, e_up);
1358     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1359                 e.angles = AnglesTransform_ToVAngles(e.angles);
1360         else
1361                 e.angles = AnglesTransform_ToAngles(e.angles);
1362
1363     setattachment(e, to, tag);
1364     setorigin(e, e.origin);
1365 }
1366
1367 void detach_sameorigin(entity e)
1368 {
1369     vector org;
1370     org = gettaginfo(e, 0);
1371     e.angles = fixedvectoangles2(v_forward, v_up);
1372     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1373                 e.angles = AnglesTransform_ToVAngles(e.angles);
1374         else
1375                 e.angles = AnglesTransform_ToAngles(e.angles);
1376     setorigin(e, org);
1377     setattachment(e, NULL, "");
1378     setorigin(e, e.origin);
1379 }
1380
1381 void follow_sameorigin(entity e, entity to)
1382 {
1383     set_movetype(e, MOVETYPE_FOLLOW); // make the hole follow
1384     e.aiment = to; // make the hole follow bmodel
1385     e.punchangle = to.angles; // the original angles of bmodel
1386     e.view_ofs = e.origin - to.origin; // relative origin
1387     e.v_angle = e.angles - to.angles; // relative angles
1388 }
1389
1390 void unfollow_sameorigin(entity e)
1391 {
1392     set_movetype(e, MOVETYPE_NONE);
1393 }
1394
1395 entity gettaginfo_relative_ent;
1396 vector gettaginfo_relative(entity e, float tag)
1397 {
1398     if (!gettaginfo_relative_ent)
1399     {
1400         gettaginfo_relative_ent = spawn();
1401         gettaginfo_relative_ent.effects = EF_NODRAW;
1402     }
1403     gettaginfo_relative_ent.model = e.model;
1404     gettaginfo_relative_ent.modelindex = e.modelindex;
1405     gettaginfo_relative_ent.frame = e.frame;
1406     return gettaginfo(gettaginfo_relative_ent, tag);
1407 }
1408
1409 .string aiment_classname;
1410 .float aiment_deadflag;
1411 void SetMovetypeFollow(entity ent, entity e)
1412 {
1413         // FIXME this may not be warpzone aware
1414         set_movetype(ent, MOVETYPE_FOLLOW); // make the hole follow
1415         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.
1416         ent.aiment = e; // make the hole follow bmodel
1417         ent.punchangle = e.angles; // the original angles of bmodel
1418         ent.view_ofs = ent.origin - e.origin; // relative origin
1419         ent.v_angle = ent.angles - e.angles; // relative angles
1420         ent.aiment_classname = strzone(e.classname);
1421         ent.aiment_deadflag = e.deadflag;
1422 }
1423 void UnsetMovetypeFollow(entity ent)
1424 {
1425         set_movetype(ent, MOVETYPE_FLY);
1426         PROJECTILE_MAKETRIGGER(ent);
1427         ent.aiment = NULL;
1428 }
1429 float LostMovetypeFollow(entity ent)
1430 {
1431 /*
1432         if(ent.move_movetype != MOVETYPE_FOLLOW)
1433                 if(ent.aiment)
1434                         error("???");
1435 */
1436         if(ent.aiment)
1437         {
1438                 if(ent.aiment.classname != ent.aiment_classname)
1439                         return 1;
1440                 if(ent.aiment.deadflag != ent.aiment_deadflag)
1441                         return 1;
1442         }
1443         return 0;
1444 }
1445
1446 .bool pushable;
1447 bool isPushable(entity e)
1448 {
1449         if(e.pushable)
1450                 return true;
1451         if(IS_VEHICLE(e))
1452                 return false;
1453         if(e.iscreature)
1454                 return true;
1455         if (Item_IsLoot(e))
1456         {
1457                 return true;
1458         }
1459         switch(e.classname)
1460         {
1461                 case "body":
1462                         return true;
1463                 case "bullet": // antilagged bullets can't hit this either
1464                         return false;
1465         }
1466         if (e.projectiledeathtype)
1467                 return true;
1468         return false;
1469 }