qcsrc/server/portals.qc

   1 #include "portals.qh"
   2
   3 #include <common/constants.qh>
   4 #include <common/deathtypes/all.qh>
   5 #include <common/effects/all.qh>
   6 #include <common/mapobjects/subs.qh>
   7 #include <common/mapobjects/teleporters.qh>
   8 #include <common/mapobjects/triggers.qh>
   9 #include <common/notifications/all.qh>
  10 #include <common/util.qh>
  11 #include <common/vehicles/sv_vehicles.qh>
  12 #include <common/vehicles/vehicle.qh>
  13 #include <common/weapons/_all.qh>
  14 #include <common/weapons/weapon/porto.qh>
  15 #include <lib/csqcmodel/sv_model.qh>
  16 #include <lib/warpzone/anglestransform.qh>
  17 #include <lib/warpzone/common.qh>
  18 #include <lib/warpzone/util_server.qh>
  19 #include <server/client.qh>
  20 #include <server/damage.qh>
  21 #include <server/hook.qh>
  22 #include <server/mutators/_mod.qh>
  23 #include <server/player.qh>
  24 #include <server/weapons/common.qh>
  25
  26 #define PORTALS_ARE_NOT_SOLID
  27
  28 const vector SAFENUDGE = '1 1 1';
  29 const vector SAFERNUDGE = '8 8 8';
  30
  31 .vector portal_transform;
  32 .vector portal_safe_origin;
  33 .float portal_wants_to_vanish;
  34 .float portal_activatetime;
  35 .float savemodelindex;
  36
  37 float PlayerEdgeDistance(entity p, vector v)
  38 {
  39         vector vbest = vec3(
  40                 ((v.x < 0) ? p.mins.x : p.maxs.x),
  41                 ((v.y < 0) ? p.mins.y : p.maxs.y),
  42                 ((v.z < 0) ? p.mins.z : p.maxs.z));
  43
  44         return vbest * v;
  45 }
  46
  47 vector Portal_ApplyTransformToPlayerAngle(vector transform, vector vangle)
  48 {
  49         vector old_forward, old_up;
  50         vector old_yawforward;
  51         vector new_forward, new_up;
  52         vector new_yawforward;
  53
  54         vector ang;
  55         ang = vangle;
  56         /*
  57            ang_x = bound(-89, mod(-ang_x + 180, 360) - 180, 89);
  58            ang = AnglesTransform_ApplyToVAngles(transform, ang);
  59          */
  60
  61         // PLAYERS use different math
  62 #if !(POSITIVE_PITCH_IS_DOWN)
  63         ang.x = -ang.x;
  64 #endif
  65
  66         //print("reference: ", vtos(AnglesTransform_ApplyToVAngles(transform, ang)), "\n");
  67
  68         fixedmakevectors(ang);
  69         old_forward = v_forward;
  70         old_up = v_up;
  71         fixedmakevectors(ang.y * '0 1 0');
  72         old_yawforward = v_forward;
  73
  74         // their aiming directions are portalled...
  75         new_forward = AnglesTransform_Apply(transform, old_forward);
  76         new_up = AnglesTransform_Apply(transform, old_up);
  77         new_yawforward = AnglesTransform_Apply(transform, old_yawforward);
  78
  79         // but now find a new sense of direction
  80         // this is NOT easy!
  81         // assume new_forward points straight up.
  82         // What is our yaw?
  83         //
  84         // new_up could now point forward OR backward... which direction to choose?
  85
  86         if(new_forward.z > 0.7 || new_forward.z < -0.7) // far up; in this case, the "up" vector points backwards
  87         {
  88                 // new_yawforward and new_yawup define the new aiming half-circle
  89                 // we "just" need to find out whether new_up or -new_up is in that half circle
  90                 ang = fixedvectoangles(new_forward); // this still gets us a nice pitch value...
  91                 if(new_up * new_yawforward < 0)
  92                         new_up = -1 * new_up;
  93                 ang.y = vectoyaw(new_up); // this vector is the yaw we want
  94                 //print("UP/DOWN path: ", vtos(ang), "\n");
  95         }
  96         else
  97         {
  98                 // good angles; here, "forward" suffices
  99                 ang = fixedvectoangles(new_forward);
 100                 //print("GOOD path: ", vtos(ang), "\n");
 101         }
 102
 103 #if !(POSITIVE_PITCH_IS_DOWN)
 104         ang.x = -ang.x;
 105 #endif
 106         ang.z = vangle.z;
 107         return ang;
 108 }
 109
 110 .vector right_vector;
 111 float Portal_TeleportPlayer(entity teleporter, entity player, entity portal_owner)
 112 {
 113         vector from, to, safe, step, transform, ang, newvel;
 114         float planeshift, s, t;
 115
 116         if (!teleporter.enemy)
 117         {
 118                 backtrace("Portal_TeleportPlayer called without other portal being set. Stop.");
 119                 return 0;
 120         }
 121
 122         from = teleporter.origin;
 123         transform = teleporter.portal_transform;
 124
 125         to = teleporter.enemy.origin;
 126         to = to + AnglesTransform_Apply(teleporter.portal_transform, player.origin - from);
 127         newvel = AnglesTransform_Apply(transform, player.velocity);
 128         // this now is INSIDE the plane... can't use that
 129
 130         // shift it out
 131         fixedmakevectors(teleporter.enemy.mangle);
 132
 133         // first shift it ON the plane if needed
 134         planeshift = ((teleporter.enemy.origin - to) * v_forward) + PlayerEdgeDistance(player, v_forward) + 1;
 135         /*
 136         if(planeshift > 0 && (newvel * v_forward) > vlen(newvel) * 0.01)
 137                 // if we can't, let us not do the planeshift and do somewhat incorrect transformation in the end
 138                 to += newvel * (planeshift / (newvel * v_forward));
 139         else
 140         */
 141                 to += v_forward * planeshift;
 142
 143         s = (to - teleporter.enemy.origin) * v_right;
 144         t = (to - teleporter.enemy.origin) * v_up;
 145         s = bound(-48, s, 48);
 146         t = bound(-48, t, 48);
 147         to = teleporter.enemy.origin
 148            + ((to - teleporter.enemy.origin) * v_forward) * v_forward
 149            +     s                                        * v_right
 150            +     t                                        * v_up;
 151
 152         safe = teleporter.enemy.portal_safe_origin; // a valid player origin
 153         step = to + ((safe - to) * v_forward) * v_forward;
 154         tracebox(safe, player.mins - SAFENUDGE, player.maxs + SAFENUDGE, step, MOVE_NOMONSTERS, player);
 155         if(trace_startsolid)
 156         {
 157                 LOG_INFO("'safe' teleport location is not safe!");
 158                 // FAIL TODO why does this happen?
 159                 return 0;
 160         }
 161         safe = trace_endpos + normalize(safe - trace_endpos) * 0;
 162         tracebox(safe, player.mins - SAFENUDGE, player.maxs + SAFENUDGE, to, MOVE_NOMONSTERS, player);
 163         if(trace_startsolid)
 164         {
 165                 LOG_INFO("trace_endpos in solid, this can't be!");
 166                 // FAIL TODO why does this happen? (reported by MrBougo)
 167                 return 0;
 168         }
 169         to = trace_endpos + normalize(safe - trace_endpos) * 0;
 170         //print(vtos(to), "\n");
 171
 172         // ang_x stuff works around weird quake angles
 173         if(IS_PLAYER(player))
 174                 ang = Portal_ApplyTransformToPlayerAngle(transform, player.v_angle);
 175         else
 176                 ang = AnglesTransform_ApplyToAngles(transform, player.angles);
 177
 178         // factor -1 allows chaining portals, but may be weird
 179         player.right_vector = -1 * AnglesTransform_Apply(transform, player.right_vector);
 180
 181         MUTATOR_CALLHOOK(PortalTeleport, player);
 182
 183         if (!teleporter.enemy)
 184         {
 185                 backtrace("Portal_TeleportPlayer ended up without other portal being set BEFORE TeleportPlayer. Stop.");
 186                 return 0;
 187         }
 188
 189         tdeath_hit = 0;
 190         TeleportPlayer(teleporter, player, to, ang, newvel, teleporter.enemy.absmin, teleporter.enemy.absmax, TELEPORT_FLAGS_PORTAL);
 191         if(tdeath_hit)
 192         {
 193                 // telefrag within 1 second of portal creation = amazing
 194                 if(time < teleporter.teleport_time + 1)
 195                         Send_Notification(NOTIF_ONE, player, MSG_ANNCE, ANNCE_ACHIEVEMENT_AMAZING);
 196         }
 197         else if(player != portal_owner && IS_PLAYER(portal_owner) && IS_PLAYER(player))
 198         {
 199                 player.pusher = portal_owner;
 200                 player.pushltime = time + autocvar_g_maxpushtime;
 201                 player.istypefrag = PHYS_INPUT_BUTTON_CHAT(player);
 202         }
 203
 204         if (!teleporter.enemy)
 205         {
 206                 backtrace("Portal_TeleportPlayer ended up without other portal being set AFTER TeleportPlayer. Stop.");
 207                 return 0;
 208         }
 209
 210         // reset fade counter
 211         teleporter.portal_wants_to_vanish = 0;
 212         teleporter.fade_time = ((autocvar_g_balance_portal_lifetime >= 0) ? time + autocvar_g_balance_portal_lifetime : 0);
 213         SetResourceExplicit(teleporter, RES_HEALTH, autocvar_g_balance_portal_health);
 214         SetResourceExplicit(teleporter.enemy, RES_HEALTH, autocvar_g_balance_portal_health);
 215
 216         return 1;
 217 }
 218
 219 float Portal_FindSafeOrigin(entity portal)
 220 {
 221         vector o;
 222         o = portal.origin;
 223         portal.mins = PL_MIN_CONST - SAFERNUDGE;
 224         portal.maxs = PL_MAX_CONST + SAFERNUDGE;
 225         fixedmakevectors(portal.mangle);
 226         portal.origin += 16 * v_forward;
 227         if(!move_out_of_solid(portal))
 228         {
 229 #ifdef DEBUG
 230                 LOG_INFO("NO SAFE ORIGIN");
 231 #endif
 232                 return 0;
 233         }
 234         portal.portal_safe_origin = portal.origin;
 235         setorigin(portal, o);
 236         return 1;
 237 }
 238
 239 float Portal_WillHitPlane(vector eorg, vector emins, vector emaxs, vector evel, vector porg, vector pnorm, float psize)
 240 {
 241         float dist, distpersec, delta;
 242         vector v;
 243
 244         dist = (eorg - porg) * pnorm;
 245         dist += min(emins.x * pnorm.x, emaxs.x * pnorm.x);
 246         dist += min(emins.y * pnorm.y, emaxs.y * pnorm.y);
 247         dist += min(emins.z * pnorm.z, emaxs.z * pnorm.z);
 248         if(dist < -1) // other side?
 249                 return 0;
 250 #ifdef PORTALS_ARE_NOT_SOLID
 251         distpersec = evel * pnorm;
 252         if(distpersec >= 0) // going away from the portal?
 253                 return 0;
 254         // we don't need this check with solid portals, them being SOLID_BSP should suffice
 255         delta = dist / distpersec;
 256         v = eorg - evel * delta - porg;
 257         v = v - pnorm * (pnorm * v);
 258         return vlen(v) < psize;
 259 #else
 260         return 1;
 261 #endif
 262 }
 263
 264 void Portal_Touch(entity this, entity toucher)
 265 {
 266         vector g;
 267
 268 #ifdef PORTALS_ARE_NOT_SOLID
 269         // portal is being removed?
 270         if(this.solid != SOLID_TRIGGER)
 271                 return; // possibly engine bug
 272
 273         if(IS_PLAYER(toucher))
 274                 return; // handled by think
 275 #endif
 276
 277         if(toucher.classname == "item_flag_team")
 278                 return; // never portal these
 279
 280         if(toucher.classname == "grapplinghook")
 281                 return; // handled by think
 282
 283         if(!autocvar_g_vehicles_teleportable)
 284         if(IS_VEHICLE(toucher))
 285                 return; // no teleporting vehicles?
 286
 287         if(!this.enemy)
 288                 error("Portal_Touch called for a broken portal\n");
 289
 290 #ifdef PORTALS_ARE_NOT_SOLID
 291         if(trace_fraction < 1)
 292                 return; // only handle TouchAreaGrid ones (only these can teleport)
 293 #else
 294         if(trace_fraction >= 1)
 295                 return; // only handle impacts
 296 #endif
 297
 298         if(toucher.classname == "porto")
 299         {
 300                 if(toucher.portal_id == this.portal_id)
 301                         return;
 302         }
 303         if(time < this.portal_activatetime)
 304                 if(toucher == this.aiment)
 305                 {
 306                         this.portal_activatetime = time + 0.1;
 307                         return;
 308                 }
 309         if(toucher != this.aiment)
 310                 if(IS_PLAYER(toucher))
 311                         if(IS_INDEPENDENT_PLAYER(toucher) || IS_INDEPENDENT_PLAYER(this.aiment))
 312                                 return; // cannot go through someone else's portal
 313         if(toucher.aiment != this.aiment)
 314                 if(IS_PLAYER(toucher.aiment))
 315                         if(IS_INDEPENDENT_PLAYER(toucher.aiment) || IS_INDEPENDENT_PLAYER(this.aiment))
 316                                 return; // cannot go through someone else's portal
 317         fixedmakevectors(this.mangle);
 318         g = frametime * '0 0 -1' * autocvar_sv_gravity;
 319         if(!Portal_WillHitPlane(toucher.origin, toucher.mins, toucher.maxs, toucher.velocity + g, this.origin, v_forward, this.maxs.x))
 320                 return;
 321
 322         /*
 323         if(toucher.mins_x < PL_MIN.x || toucher.mins_y < PL_MIN.y || toucher.mins_z < PL_MIN.z
 324         || toucher.maxs_x > PL_MAX.x || toucher.maxs_y > PL_MAX.y || toucher.maxs_z > PL_MAX.z)
 325         {
 326                 // can't teleport this
 327                 return;
 328         }
 329         */
 330
 331         if(Portal_TeleportPlayer(this, toucher, this.aiment))
 332                 if(toucher.classname == "porto")
 333                         if(toucher.effects & EF_RED)
 334                                 toucher.effects += EF_BLUE - EF_RED;
 335 }
 336
 337 void Portal_MakeBrokenPortal(entity portal)
 338 {
 339         portal.skin = 2;
 340         portal.solid = SOLID_NOT;
 341         settouch(portal, func_null);
 342         setthink(portal, func_null);
 343         portal.effects = 0;
 344         portal.nextthink = 0;
 345         portal.takedamage = DAMAGE_NO;
 346 }
 347
 348 void Portal_MakeWaitingPortal(entity portal)
 349 {
 350         portal.skin = 2;
 351         portal.solid = SOLID_NOT;
 352         settouch(portal, func_null);
 353         setthink(portal, func_null);
 354         portal.effects = EF_ADDITIVE;
 355         portal.nextthink = 0;
 356         portal.takedamage = DAMAGE_YES;
 357 }
 358
 359 void Portal_MakeInPortal(entity portal)
 360 {
 361         portal.skin = 0;
 362         portal.solid = SOLID_NOT; // this is done when connecting them!
 363         settouch(portal, Portal_Touch);
 364         setthink(portal, Portal_Think);
 365         portal.effects = EF_RED;
 366         portal.nextthink = time;
 367         portal.takedamage = DAMAGE_NO;
 368 }
 369
 370 void Portal_MakeOutPortal(entity portal)
 371 {
 372         portal.skin = 1;
 373         portal.solid = SOLID_NOT;
 374         settouch(portal, func_null);
 375         setthink(portal, func_null);
 376         portal.effects = EF_STARDUST | EF_BLUE;
 377         portal.nextthink = 0;
 378         portal.takedamage = DAMAGE_YES;
 379 }
 380
 381 void Portal_Disconnect(entity teleporter, entity destination)
 382 {
 383         teleporter.enemy = NULL;
 384         destination.enemy = NULL;
 385         Portal_MakeBrokenPortal(teleporter);
 386         Portal_MakeBrokenPortal(destination);
 387 }
 388
 389 void Portal_Connect(entity teleporter, entity destination)
 390 {
 391         teleporter.portal_transform = AnglesTransform_RightDivide(AnglesTransform_TurnDirectionFR(destination.mangle), teleporter.mangle);
 392
 393         teleporter.enemy = destination;
 394         destination.enemy = teleporter;
 395         Portal_MakeInPortal(teleporter);
 396         Portal_MakeOutPortal(destination);
 397         teleporter.fade_time = ((autocvar_g_balance_portal_lifetime >= 0) ? time + autocvar_g_balance_portal_lifetime : 0);
 398         destination.fade_time = teleporter.fade_time;
 399         teleporter.portal_wants_to_vanish = 0;
 400         destination.portal_wants_to_vanish = 0;
 401         teleporter.teleport_time = time;
 402 #ifdef PORTALS_ARE_NOT_SOLID
 403         teleporter.solid = SOLID_TRIGGER;
 404 #else
 405         teleporter.solid = SOLID_BSP;
 406 #endif
 407 }
 408
 409 void Portal_Remove(entity portal, float killed)
 410 {
 411         entity e;
 412         e = portal.enemy;
 413
 414         if(e)
 415         {
 416                 Portal_Disconnect(portal, e);
 417                 Portal_Remove(e, killed);
 418         }
 419
 420         if(portal == portal.aiment.portal_in)
 421                 portal.aiment.portal_in = NULL;
 422         if(portal == portal.aiment.portal_out)
 423                 portal.aiment.portal_out = NULL;
 424         //portal.aiment = NULL;
 425
 426         // makes the portal vanish
 427         if(killed)
 428         {
 429                 fixedmakevectors(portal.mangle);
 430                 sound(portal, CH_SHOTS, SND_PORTO_EXPLODE, VOL_BASE, ATTEN_NORM);
 431                 Send_Effect(EFFECT_ROCKET_EXPLODE, portal.origin + v_forward * 16, v_forward * 1024, 4);
 432                 delete(portal);
 433         }
 434         else
 435         {
 436                 Portal_MakeBrokenPortal(portal);
 437                 sound(portal, CH_SHOTS, SND_PORTO_EXPIRE, VOL_BASE, ATTEN_NORM);
 438                 SUB_SetFade(portal, time, 0.5);
 439         }
 440 }
 441
 442 void Portal_Damage(entity this, entity inflictor, entity attacker, float damage, int deathtype, .entity weaponentity, vector hitloc, vector force)
 443 {
 444         if(deathtype == DEATH_TELEFRAG.m_id)
 445                 return;
 446         if(attacker != this.aiment)
 447                 if(IS_INDEPENDENT_PLAYER(attacker) || IS_INDEPENDENT_PLAYER(this.aiment))
 448                         return;
 449         TakeResource(this, RES_HEALTH, damage);
 450         if(GetResource(this, RES_HEALTH) < 0)
 451                 Portal_Remove(this, 1);
 452 }
 453
 454 void Portal_Think_TryTeleportPlayer(entity this, entity e, vector g, entity portal_owner)
 455 {
 456         if(!Portal_WillHitPlane(e.origin, e.mins, e.maxs, e.velocity + g, this.origin, v_forward, this.maxs.x))
 457                 return;
 458
 459         // if e would hit the portal in a frame...
 460         // already teleport him
 461         tracebox(e.origin, e.mins, e.maxs, e.origin + e.velocity * 2 * frametime, MOVE_NORMAL, e);
 462         if(trace_ent == this)
 463                 Portal_TeleportPlayer(this, e, portal_owner);
 464 }
 465
 466 void Portal_Think(entity this)
 467 {
 468         entity o;
 469         vector g;
 470
 471 #ifdef PORTALS_ARE_NOT_SOLID
 472         // portal is being removed?
 473         if(this.solid != SOLID_TRIGGER)
 474                 return; // possibly engine bug
 475
 476         if(!this.enemy)
 477                 error("Portal_Think called for a broken portal\n");
 478
 479         o = this.aiment;
 480         this.solid = SOLID_BBOX;
 481         this.aiment = NULL;
 482
 483         g = frametime * '0 0 -1' * autocvar_sv_gravity;
 484
 485         fixedmakevectors(this.mangle);
 486
 487         FOREACH_CLIENT(IS_PLAYER(it), {
 488                 if(it != o)
 489                         if(IS_INDEPENDENT_PLAYER(it) || IS_INDEPENDENT_PLAYER(o))
 490                                 continue; // cannot go through someone else's portal
 491
 492                 if(it != o || time >= this.portal_activatetime)
 493                         Portal_Think_TryTeleportPlayer(this, it, g, o);
 494
 495                 for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 496             {
 497                 .entity weaponentity = weaponentities[slot];
 498                 if(it.(weaponentity).hook)
 499                         Portal_Think_TryTeleportPlayer(this, it.(weaponentity).hook, g, o);
 500             }
 501         });
 502         this.solid = SOLID_TRIGGER;
 503         this.aiment = o;
 504 #endif
 505
 506         this.nextthink = time;
 507
 508         if(this.fade_time && time > this.fade_time)
 509                 Portal_Remove(this, 0);
 510 }
 511
 512 bool Portal_Customize(entity this, entity client)
 513 {
 514         if(IS_SPEC(client))
 515                 client = client.enemy;
 516         if(client == this.aiment)
 517         {
 518                 this.modelindex = this.savemodelindex;
 519         }
 520         else if(IS_INDEPENDENT_PLAYER(client) || IS_INDEPENDENT_PLAYER(this.aiment))
 521         {
 522                 this.modelindex = 0;
 523         }
 524         else
 525         {
 526                 this.modelindex = this.savemodelindex;
 527         }
 528         return true;
 529 }
 530
 531 // cleanup:
 532 //   when creating in-portal:
 533 //     disconnect
 534 //     clear existing in-portal
 535 //     set as in-portal
 536 //     connect
 537 //   when creating out-portal:
 538 //     disconnect
 539 //     clear existing out-portal
 540 //     set as out-portal
 541 //   when player dies:
 542 //     disconnect portals
 543 //     clear both portals
 544 //   after timeout of in-portal:
 545 //     disconnect portals
 546 //     clear both portals
 547 //   TODO: ensure only one portal shot at once
 548 float Portal_SetInPortal(entity own, entity portal)
 549 {
 550         if(own.portal_in)
 551         {
 552                 if(own.portal_out)
 553                         Portal_Disconnect(own.portal_in, own.portal_out);
 554                 Portal_Remove(own.portal_in, 0);
 555         }
 556         own.portal_in = portal;
 557         if(own.portal_out)
 558         {
 559                 own.portal_out.portal_id = portal.portal_id;
 560                 Portal_Connect(own.portal_in, own.portal_out);
 561         }
 562         return 2;
 563 }
 564 float Portal_SetOutPortal(entity own, entity portal)
 565 {
 566         if(own.portal_out)
 567         {
 568                 if(own.portal_in)
 569                         Portal_Disconnect(own.portal_in, own.portal_out);
 570                 Portal_Remove(own.portal_out, 0);
 571         }
 572         own.portal_out = portal;
 573         if(own.portal_in)
 574         {
 575                 own.portal_in.portal_id = portal.portal_id;
 576                 Portal_Connect(own.portal_in, own.portal_out);
 577         }
 578         return 1;
 579 }
 580 void Portal_ClearAll_PortalsOnly(entity own)
 581 {
 582         if(own.portal_in)
 583                 Portal_Remove(own.portal_in, 0);
 584         if(own.portal_out)
 585                 Portal_Remove(own.portal_out, 0);
 586 }
 587 void Portal_ClearAll(entity own)
 588 {
 589         Portal_ClearAll_PortalsOnly(own);
 590         W_Porto_Remove(own);
 591 }
 592 void Portal_RemoveLater_Think(entity this)
 593 {
 594         Portal_Remove(this, this.cnt);
 595 }
 596 void Portal_RemoveLater(entity portal, float kill)
 597 {
 598         Portal_MakeBrokenPortal(portal);
 599         portal.cnt = kill;
 600         setthink(portal, Portal_RemoveLater_Think);
 601         portal.nextthink = time;
 602 }
 603 void Portal_ClearAllLater_PortalsOnly(entity own)
 604 {
 605         if(own.portal_in)
 606                 Portal_RemoveLater(own.portal_in, 0);
 607         if(own.portal_out)
 608                 Portal_RemoveLater(own.portal_out, 0);
 609 }
 610 void Portal_ClearAllLater(entity own)
 611 {
 612         Portal_ClearAllLater_PortalsOnly(own);
 613         W_Porto_Remove(own);
 614 }
 615 void Portal_ClearWithID(entity own, float id)
 616 {
 617         if(own.portal_in)
 618                 if(own.portal_in.portal_id == id)
 619                 {
 620                         if(own.portal_out)
 621                                 Portal_Disconnect(own.portal_in, own.portal_out);
 622                         Portal_Remove(own.portal_in, 0);
 623                 }
 624         if(own.portal_out)
 625                 if(own.portal_out.portal_id == id)
 626                 {
 627                         if(own.portal_in)
 628                                 Portal_Disconnect(own.portal_in, own.portal_out);
 629                         Portal_Remove(own.portal_out, 0);
 630                 }
 631 }
 632
 633 entity Portal_Spawn(entity own, vector org, vector ang)
 634 {
 635         entity portal;
 636
 637         fixedmakevectors(ang);
 638         if(!CheckWireframeBox(own, org - 48 * v_right - 48 * v_up + 16 * v_forward, 96 * v_right, 96 * v_up, 96 * v_forward))
 639                 return NULL;
 640
 641         portal = new(portal);
 642         portal.aiment = own;
 643         setorigin(portal, org);
 644         portal.mangle = ang;
 645         portal.angles = ang;
 646         portal.angles_x = -portal.angles.x; // is a bmodel
 647         setthink(portal, Portal_Think);
 648         portal.nextthink = 0;
 649         portal.portal_activatetime = time + 0.1;
 650         portal.takedamage = DAMAGE_AIM;
 651         portal.event_damage = Portal_Damage;
 652         portal.fade_time = ((autocvar_g_balance_portal_lifetime >= 0) ? time + autocvar_g_balance_portal_lifetime : 0);
 653         SetResourceExplicit(portal, RES_HEALTH, autocvar_g_balance_portal_health);
 654         setmodel(portal, MDL_PORTAL);
 655         portal.savemodelindex = portal.modelindex;
 656         setcefc(portal, Portal_Customize);
 657
 658         if(!Portal_FindSafeOrigin(portal))
 659         {
 660                 delete(portal);
 661                 return NULL;
 662         }
 663
 664         setsize(portal, '-48 -48 -48', '48 48 48');
 665         Portal_MakeWaitingPortal(portal);
 666
 667         return portal;
 668 }
 669
 670 float Portal_SpawnInPortalAtTrace(entity own, vector dir, float portal_id_val)
 671 {
 672         entity portal;
 673         vector ang;
 674         vector org;
 675
 676         org = trace_endpos;
 677         ang = fixedvectoangles2(trace_plane_normal, dir);
 678         fixedmakevectors(ang);
 679
 680         portal = Portal_Spawn(own, org, ang);
 681         if(!portal)
 682                 return 0;
 683
 684         portal.portal_id = portal_id_val;
 685         Portal_SetInPortal(own, portal);
 686
 687         return 1;
 688 }
 689
 690 float Portal_SpawnOutPortalAtTrace(entity own, vector dir, float portal_id_val)
 691 {
 692         entity portal;
 693         vector ang;
 694         vector org;
 695
 696         org = trace_endpos;
 697         ang = fixedvectoangles2(trace_plane_normal, dir);
 698         fixedmakevectors(ang);
 699
 700         portal = Portal_Spawn(own, org, ang);
 701         if(!portal)
 702                 return 0;
 703
 704         portal.portal_id = portal_id_val;
 705         Portal_SetOutPortal(own, portal);
 706
 707         return 1;
 708 }