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