qcsrc/lib/warpzone/server.qc

   1 #include "server.qh"
   2
   3 #include "common.qh"
   4 #if defined(CSQC)
   5 #elif defined(MENUQC)
   6 #elif defined(SVQC)
   7         #include <common/constants.qh>
   8         #include <common/net_linked.qh>
   9         #include <common/mapobjects/subs.qh>
  10         #include <common/util.qh>
  11         #include <server/constants.qh>
  12         #include <server/defs.qh>
  13 #endif
  14
  15 #ifdef WARPZONELIB_KEEPDEBUG
  16 #define WARPZONELIB_REMOVEHACK
  17 #endif
  18
  19 // for think function
  20 .vector warpzone_save_origin;
  21 .vector warpzone_save_angles;
  22 .vector warpzone_save_eorigin;
  23 .vector warpzone_save_eangles;
  24
  25 // for all entities
  26 .vector warpzone_oldorigin, warpzone_oldvelocity, warpzone_oldangles;
  27 .float warpzone_teleport_time;
  28 .float warpzone_teleport_finishtime;
  29 .entity warpzone_teleport_zone;
  30
  31 #define WarpZone_StoreProjectileData(e_) MACRO_BEGIN { \
  32         entity e = e_; \
  33         e.warpzone_oldorigin = e.origin; \
  34         e.warpzone_oldvelocity = e.velocity; \
  35         e.warpzone_oldangles = e.angles; \
  36         } MACRO_END
  37
  38 void WarpZone_TeleportPlayer(entity teleporter, entity player, vector to, vector to_angles, vector to_velocity)
  39 {
  40 #ifdef SVQC
  41         player.lastteleport_origin = player.origin;
  42         player.lastteleporttime = time;
  43 #endif
  44         setorigin(player, to); // NOTE: this also aborts the move, when this is called by touch
  45 #ifdef SVQC
  46         player.oldorigin = to; // for DP's unsticking
  47         player.fixangle = true;
  48 #endif
  49         player.angles = to_angles;
  50         player.velocity = to_velocity;
  51
  52         BITXOR_ASSIGN(player.effects, EF_TELEPORT_BIT);
  53
  54         if(IS_PLAYER(player))
  55                 BITCLR_ASSIGN(player.flags, FL_ONGROUND);
  56
  57         WarpZone_PostTeleportPlayer_Callback(player);
  58 }
  59
  60 #ifdef SVQC
  61 bool WarpZone_Teleported_Send(entity this, entity to, int sf)
  62 {
  63         WriteHeader(MSG_ENTITY, ENT_CLIENT_WARPZONE_TELEPORTED);
  64         WriteVector(MSG_ENTITY, this.angles);
  65         return true;
  66 }
  67 #endif
  68
  69 float WarpZone_Teleport(entity wz, entity player, float f0, float f1)
  70 {
  71         vector o0, a0, v0, o1, a1, v1, o10;
  72
  73         o0 = player.origin + player.view_ofs;
  74         v0 = player.velocity;
  75         a0 = player.angles;
  76
  77         o10 = o1 = WarpZone_TransformOrigin(wz, o0);
  78         v1 = WarpZone_TransformVelocity(wz, v0);
  79         if (!IS_NOT_A_CLIENT(player))
  80                 a1 = WarpZone_TransformVAngles(wz, PHYS_INPUT_ANGLES(player));
  81         else
  82                 a1 = WarpZone_TransformAngles(wz, a0);
  83
  84         if(f0 != 0 || f1 != 0)
  85         {
  86                 // retry last move but behind the warpzone!
  87                 // we must first go back as far as we can, then forward again, to not cause double touch events!
  88
  89                 tracebox(o1 - player.view_ofs + v1 * frametime * f1, player.mins, player.maxs, o1 - player.view_ofs + v1 * frametime * f0, MOVE_WORLDONLY, player);
  90                 {
  91                         entity own;
  92                         own = player.owner;
  93                         player.owner = NULL;
  94                         tracebox(trace_endpos, player.mins, player.maxs, o1 - player.view_ofs + v1 * frametime * f1, MOVE_NORMAL, player); // this should get us through the warpzone
  95                         player.owner = own;
  96                 }
  97                 o1 = trace_endpos + player.view_ofs;
  98
  99                 float d, dv, md;
 100                 md = max(vlen(player.mins), vlen(player.maxs));
 101                 d = WarpZone_TargetPlaneDist(wz, o1);
 102                 dv = WarpZone_TargetPlaneDist(wz, v1);
 103                 if(d < 0)
 104                         o1 = o1 - v1 * (d / dv);
 105         }
 106
 107         // put him out of solid
 108         tracebox(o1 - player.view_ofs, player.mins, player.maxs, o1 - player.view_ofs, MOVE_NOMONSTERS, player);
 109         if(trace_startsolid)
 110         {
 111                 setorigin(player, o1 - player.view_ofs);
 112                 if(WarpZoneLib_MoveOutOfSolid(player))
 113                 {
 114                         o1 = player.origin + player.view_ofs;
 115                         setorigin(player, o0 - player.view_ofs);
 116                 }
 117                 else
 118                 {
 119                         LOG_INFO("would have to put player in solid, won't do that");
 120                         setorigin(player, o0 - player.view_ofs);
 121                         return 0;
 122                 }
 123         }
 124
 125         // do the teleport
 126         WarpZone_RefSys_Add(player, wz);
 127         WarpZone_TeleportPlayer(wz, player, o1 - player.view_ofs, a1, v1);
 128         WarpZone_StoreProjectileData(player);
 129         player.warpzone_teleport_time = time;
 130         player.warpzone_teleport_finishtime = time;
 131         player.warpzone_teleport_zone = wz;
 132
 133 #ifdef SVQC
 134         // prevent further teleports back
 135         float dt = (o1 - o10) * v1 * (1 / (v1 * v1));
 136         if(dt < PHYS_INPUT_FRAMETIME)
 137                 player.warpzone_teleport_finishtime += PHYS_INPUT_FRAMETIME - dt;
 138 #endif
 139
 140 #ifndef WARPZONE_USE_FIXANGLE
 141         #ifdef SVQC
 142         if(IS_VEHICLE(player) && player.owner)
 143                 player = player.owner; // hax
 144         if(IS_PLAYER(player))
 145         {
 146                 // instead of fixangle, send the transform to the client for smoother operation
 147                 player.fixangle = false;
 148
 149                 entity ts = new(warpzone_teleported);
 150                 setmodel(ts, MDL_Null);
 151                 setSendEntity(ts, WarpZone_Teleported_Send);
 152                 ts.SendFlags = 0xFFFFFF;
 153                 ts.drawonlytoclient = player;
 154                 setthink(ts, SUB_Remove);
 155                 ts.nextthink = time + 1;
 156                 ts.owner = player;
 157                 ts.enemy = wz;
 158                 ts.effects = EF_NODEPTHTEST;
 159                 ts.angles = wz.warpzone_transform;
 160         }
 161         #elif defined(CSQC)
 162         setproperty(VF_CL_VIEWANGLES, WarpZone_TransformVAngles(wz, getpropertyvec(VF_CL_VIEWANGLES)));
 163         //if(checkextension("DP_CSQC_ROTATEMOVES"))
 164                 //CL_RotateMoves(wz.warpzone_transform);
 165         #endif
 166 #endif
 167
 168         return 1;
 169 }
 170
 171 void WarpZone_Touch(entity this, entity toucher)
 172 {
 173         if(toucher.classname == "trigger_warpzone")
 174                 return;
 175
 176         if(time <= toucher.warpzone_teleport_finishtime) // already teleported this frame
 177                 return;
 178
 179         // FIXME needs a better check to know what is safe to teleport and what not
 180         if(toucher.move_movetype == MOVETYPE_NONE || toucher.move_movetype == MOVETYPE_FOLLOW || toucher.tag_entity)
 181                 return;
 182
 183         if(WarpZoneLib_ExactTrigger_Touch(this, toucher))
 184                 return;
 185
 186         if(WarpZone_PlaneDist(this, toucher.origin + toucher.view_ofs) >= 0) // wrong side of the trigger_warpzone (don't teleport yet)
 187                 return;
 188
 189         float f;
 190         // number of frames we need to go back:
 191         //   dist = 16*sqrt(2) qu
 192         //   dist ~ 24 qu
 193         //   24 qu = v*t
 194         //   24 qu = v*frametime*n
 195         //       n = 24 qu/(v*frametime)
 196         // for clients go only one frame though, may be too irritating otherwise
 197         // but max 0.25 sec = 0.25/frametime frames
 198         //       24/(0.25/frametime)
 199         //       96*frametime
 200         float d;
 201         d = 24 + max(vlen(toucher.mins), vlen(toucher.maxs));
 202         if(IS_NOT_A_CLIENT(toucher))
 203                 f = -d / bound(frametime * d * 1, frametime * vlen(toucher.velocity), d);
 204         else
 205                 f = -1;
 206         if(WarpZone_Teleport(this, toucher, f, 0))
 207         {
 208 #ifdef SVQC
 209                 string save1, save2;
 210
 211                 save1 = this.target; this.target = string_null;
 212                 save2 = this.target3; this.target3 = string_null;
 213                 SUB_UseTargets(this, toucher, toucher); // use toucher too?
 214                 if (!this.target) this.target = save1;
 215                 if (!this.target3) this.target3 = save2;
 216
 217                 save1 = this.target; this.target = string_null;
 218                 save2 = this.target2; this.target2 = string_null;
 219                 SUB_UseTargets(this.enemy, toucher, toucher); // use toucher too?
 220                 if (!this.target) this.target = save1;
 221                 if (!this.target2) this.target2 = save2;
 222 #endif
 223         }
 224         else
 225         {
 226                 LOG_TRACE("WARPZONE FAIL AHAHAHAHAH))");
 227         }
 228 }
 229
 230 #ifdef SVQC
 231 bool WarpZone_Send(entity this, entity to, int sendflags)
 232 {
 233         WriteHeader(MSG_ENTITY, ENT_CLIENT_WARPZONE);
 234
 235         // we must send this flag for clientside to match properly too
 236         int f = 0;
 237         if(this.warpzone_isboxy)
 238                 BITSET_ASSIGN(f, 1);
 239         if(this.warpzone_fadestart)
 240                 BITSET_ASSIGN(f, 2);
 241         if(this.origin != '0 0 0')
 242                 BITSET_ASSIGN(f, 4);
 243         WriteByte(MSG_ENTITY, f);
 244
 245         // we need THESE to render the warpzone (and cull properly)...
 246         if(f & 4)
 247         {
 248                 WriteCoord(MSG_ENTITY, this.origin.x);
 249                 WriteCoord(MSG_ENTITY, this.origin.y);
 250                 WriteCoord(MSG_ENTITY, this.origin.z);
 251         }
 252
 253         WriteShort(MSG_ENTITY, this.modelindex);
 254         WriteCoord(MSG_ENTITY, this.mins.x);
 255         WriteCoord(MSG_ENTITY, this.mins.y);
 256         WriteCoord(MSG_ENTITY, this.mins.z);
 257         WriteCoord(MSG_ENTITY, this.maxs.x);
 258         WriteCoord(MSG_ENTITY, this.maxs.y);
 259         WriteCoord(MSG_ENTITY, this.maxs.z);
 260         WriteByte(MSG_ENTITY, bound(1, this.scale * 16, 255));
 261
 262         // we need THESE to calculate the proper transform
 263         WriteCoord(MSG_ENTITY, this.warpzone_origin.x);
 264         WriteCoord(MSG_ENTITY, this.warpzone_origin.y);
 265         WriteCoord(MSG_ENTITY, this.warpzone_origin.z);
 266         WriteCoord(MSG_ENTITY, this.warpzone_angles.x);
 267         WriteCoord(MSG_ENTITY, this.warpzone_angles.y);
 268         WriteCoord(MSG_ENTITY, this.warpzone_angles.z);
 269         WriteCoord(MSG_ENTITY, this.warpzone_targetorigin.x);
 270         WriteCoord(MSG_ENTITY, this.warpzone_targetorigin.y);
 271         WriteCoord(MSG_ENTITY, this.warpzone_targetorigin.z);
 272         WriteCoord(MSG_ENTITY, this.warpzone_targetangles.x);
 273         WriteCoord(MSG_ENTITY, this.warpzone_targetangles.y);
 274         WriteCoord(MSG_ENTITY, this.warpzone_targetangles.z);
 275
 276         if(f & 2)
 277         {
 278                 WriteShort(MSG_ENTITY, this.warpzone_fadestart);
 279                 WriteShort(MSG_ENTITY, this.warpzone_fadeend);
 280         }
 281
 282         return true;
 283 }
 284
 285 bool WarpZone_Camera_Send(entity this, entity to, int sendflags)
 286 {
 287         int f = 0;
 288         WriteHeader(MSG_ENTITY, ENT_CLIENT_WARPZONE_CAMERA);
 289
 290         if(this.warpzone_fadestart)
 291                 BITSET_ASSIGN(f, 2);
 292         if(this.origin != '0 0 0')
 293                 BITSET_ASSIGN(f, 4);
 294         WriteByte(MSG_ENTITY, f);
 295
 296         // we need THESE to render the warpzone (and cull properly)...
 297         if(f & 4)
 298         {
 299                 WriteCoord(MSG_ENTITY, this.origin.x);
 300                 WriteCoord(MSG_ENTITY, this.origin.y);
 301                 WriteCoord(MSG_ENTITY, this.origin.z);
 302         }
 303
 304         WriteShort(MSG_ENTITY, this.modelindex);
 305         WriteCoord(MSG_ENTITY, this.mins.x);
 306         WriteCoord(MSG_ENTITY, this.mins.y);
 307         WriteCoord(MSG_ENTITY, this.mins.z);
 308         WriteCoord(MSG_ENTITY, this.maxs.x);
 309         WriteCoord(MSG_ENTITY, this.maxs.y);
 310         WriteCoord(MSG_ENTITY, this.maxs.z);
 311         WriteByte(MSG_ENTITY, bound(1, this.scale * 16, 255));
 312
 313         // we need THESE to calculate the proper transform
 314         WriteCoord(MSG_ENTITY, this.enemy.origin.x);
 315         WriteCoord(MSG_ENTITY, this.enemy.origin.y);
 316         WriteCoord(MSG_ENTITY, this.enemy.origin.z);
 317         WriteCoord(MSG_ENTITY, this.enemy.angles.x);
 318         WriteCoord(MSG_ENTITY, this.enemy.angles.y);
 319         WriteCoord(MSG_ENTITY, this.enemy.angles.z);
 320
 321         if(f & 2)
 322         {
 323                 WriteShort(MSG_ENTITY, this.warpzone_fadestart);
 324                 WriteShort(MSG_ENTITY, this.warpzone_fadeend);
 325         }
 326
 327         return true;
 328 }
 329
 330 #ifdef WARPZONELIB_KEEPDEBUG
 331 float WarpZone_CheckProjectileImpact(entity player)
 332 {
 333         vector o0, v0;
 334
 335         o0 = player.origin + player.view_ofs;
 336         v0 = player.velocity;
 337
 338         // if we teleported shortly before, abort
 339         if(time <= player.warpzone_teleport_finishtime + 0.1)
 340                 return 0;
 341
 342         // if player hit a warpzone, abort
 343         entity wz;
 344         wz = WarpZone_Find(o0 + player.mins, o0 + player.maxs);
 345         if(!wz)
 346                 return 0;
 347
 348 #ifdef WARPZONELIB_REMOVEHACK
 349         LOG_INFO("impactfilter found something - and it no longer gets handled correctly - please tell divVerent whether anything behaves broken now");
 350 #else
 351         LOG_INFO("impactfilter found something - and it even gets handled correctly - please tell divVerent that this code apparently gets triggered again");
 352 #endif
 353         LOG_INFO("Entity type: ", player.classname);
 354         LOG_INFO("Origin: ", vtos(player.origin));
 355         LOG_INFO("Velocity: ", vtos(player.velocity));
 356
 357 #ifdef WARPZONELIB_REMOVEHACK
 358         return 0;
 359 #else
 360         // retry previous move
 361         setorigin(player, player.warpzone_oldorigin);
 362         player.velocity = player.warpzone_oldvelocity;
 363         if(WarpZone_Teleport(wz, player, 0, 1))
 364         {
 365                 string save1, save2;
 366
 367                 save1 = wz.target; wz.target = string_null;
 368                 save2 = wz.target3; wz.target3 = string_null;
 369                 SUB_UseTargets(wz, player, player);
 370                 if (!wz.target) wz.target = save1;
 371                 if (!wz.target3) wz.target3 = save2;
 372
 373                 save1 = wz.enemy.target; wz.enemy.target = string_null;
 374                 save2 = wz.enemy.target2; wz.enemy.target2 = string_null;
 375                 SUB_UseTargets(wz.enemy, player, player);
 376                 if (!wz.enemy.target) wz.enemy.target = save1;
 377                 if (!wz.enemy.target2) wz.enemy.target2 = save2;
 378         }
 379         else
 380         {
 381                 setorigin(player, o0 - player.view_ofs);
 382                 player.velocity = v0;
 383         }
 384
 385         return +1;
 386 #endif
 387 }
 388 #endif
 389 #endif
 390
 391 float WarpZone_Projectile_Touch(entity this, entity toucher)
 392 {
 393         if(toucher.classname == "trigger_warpzone")
 394                 return true;
 395
 396         // no further impacts if we teleported this frame!
 397         // this is because even if we did teleport, the engine still may raise
 398         // touch events for the previous location
 399         // engine now aborts moves on teleport, so this SHOULD not happen any more
 400         // but if this is called from TouchAreaGrid of the projectile moving,
 401         // then this won't do
 402         if(time == this.warpzone_teleport_time)
 403                 return true;
 404
 405 #ifdef SVQC
 406 #ifdef WARPZONELIB_KEEPDEBUG
 407         // this SEEMS to not happen at the moment, but if it did, it would be more reliable
 408         {
 409                 float save_dpstartcontents;
 410                 float save_dphitcontents;
 411                 float save_dphitq3surfaceflags;
 412                 string save_dphittexturename;
 413                 float save_allsolid;
 414                 float save_startsolid;
 415                 float save_fraction;
 416                 vector save_endpos;
 417                 vector save_plane_normal;
 418                 float save_plane_dist;
 419                 entity save_ent;
 420                 float save_inopen;
 421                 float save_inwater;
 422                 save_dpstartcontents = trace_dpstartcontents;
 423                 save_dphitcontents = trace_dphitcontents;
 424                 save_dphitq3surfaceflags = trace_dphitq3surfaceflags;
 425                 save_dphittexturename = trace_dphittexturename;
 426                 save_allsolid = trace_allsolid;
 427                 save_startsolid = trace_startsolid;
 428                 save_fraction = trace_fraction;
 429                 save_endpos = trace_endpos;
 430                 save_plane_normal = trace_plane_normal;
 431                 save_plane_dist = trace_plane_dist;
 432                 save_ent = trace_ent;
 433                 save_inopen = trace_inopen;
 434                 save_inwater = trace_inwater;
 435                 float f = WarpZone_CheckProjectileImpact(this);
 436                 if (f) return (f > 0);
 437                 trace_dpstartcontents = save_dpstartcontents;
 438                 trace_dphitcontents = save_dphitcontents;
 439                 trace_dphitq3surfaceflags = save_dphitq3surfaceflags;
 440                 trace_dphittexturename = save_dphittexturename;
 441                 trace_allsolid = save_allsolid;
 442                 trace_startsolid = save_startsolid;
 443                 trace_fraction = save_fraction;
 444                 trace_endpos = save_endpos;
 445                 trace_plane_normal = save_plane_normal;
 446                 trace_plane_dist = save_plane_dist;
 447                 trace_ent = save_ent;
 448                 trace_inopen = save_inopen;
 449                 trace_inwater = save_inwater;
 450         }
 451 #endif
 452
 453         if(WarpZone_Projectile_Touch_ImpactFilter_Callback(this, toucher))
 454                 return true;
 455 #endif
 456
 457         return false;
 458 }
 459
 460 #ifdef SVQC
 461
 462 void WarpZone_InitStep_FindOriginTarget(entity this)
 463 {
 464         if(this.killtarget != "")
 465         {
 466                 this.aiment = find(NULL, targetname, this.killtarget);
 467                 if(this.aiment == NULL)
 468                 {
 469                         error("Warp zone with nonexisting killtarget");
 470                         return;
 471                 }
 472                 this.killtarget = string_null;
 473         }
 474 }
 475
 476 void WarpZonePosition_InitStep_FindTarget(entity this)
 477 {
 478         if(this.target == "")
 479         {
 480                 error("Warp zone position with no target");
 481                 return;
 482         }
 483         this.enemy = find(NULL, targetname, this.target);
 484         if(this.enemy == NULL)
 485         {
 486                 error("Warp zone position with nonexisting target");
 487                 return;
 488         }
 489         if(this.enemy.aiment)
 490         {
 491                 // already is positioned
 492                 error("Warp zone position targeting already oriented warpzone");
 493                 return;
 494         }
 495         this.enemy.aiment = this;
 496 }
 497
 498 void WarpZoneCamera_Think(entity this)
 499 {
 500         if(this.warpzone_save_origin != this.origin
 501         || this.warpzone_save_angles != this.angles
 502         || this.warpzone_save_eorigin != this.enemy.origin
 503         || this.warpzone_save_eangles != this.enemy.angles)
 504         {
 505                 WarpZone_Camera_SetUp(this, this.enemy.origin, this.enemy.angles);
 506                 this.warpzone_save_origin = this.origin;
 507                 this.warpzone_save_angles = this.angles;
 508                 this.warpzone_save_eorigin = this.enemy.origin;
 509                 this.warpzone_save_eangles = this.enemy.angles;
 510         }
 511         this.nextthink = time;
 512 }
 513
 514 void WarpZoneCamera_InitStep_FindTarget(entity this)
 515 {
 516         entity e;
 517         float i;
 518         if(this.target == "")
 519         {
 520                 error("Camera with no target");
 521                 return;
 522         }
 523         this.enemy = NULL;
 524         for(e = NULL, i = 0; (e = find(e, targetname, this.target)); )
 525                 if(random() * ++i < 1)
 526                         this.enemy = e;
 527         if(this.enemy == NULL)
 528         {
 529                 error("Camera with nonexisting target");
 530                 return;
 531         }
 532         warpzone_cameras_exist = 1;
 533         WarpZone_Camera_SetUp(this, this.enemy.origin, this.enemy.angles);
 534         this.SendFlags = 0xFFFFFF;
 535         if(this.spawnflags & 1)
 536         {
 537                 setthink(this, WarpZoneCamera_Think);
 538                 this.nextthink = time;
 539         }
 540         else
 541                 this.nextthink = 0;
 542 }
 543
 544 void WarpZone_InitStep_UpdateTransform(entity this)
 545 {
 546         vector org, ang, norm, point;
 547         float area;
 548         vector tri, a, b, c, n;
 549         float i_s, i_t, n_t;
 550         string tex;
 551
 552         org = this.origin;
 553         if(org == '0 0 0')
 554                 org = 0.5 * (this.mins + this.maxs);
 555
 556         norm = point = '0 0 0';
 557         area = 0;
 558         for(i_s = 0; ; ++i_s)
 559         {
 560                 tex = getsurfacetexture(this, i_s);
 561                 if (!tex)
 562                         break; // this is beyond the last one
 563                 if(tex == "textures/common/trigger" || tex == "trigger")
 564                         continue;
 565                 n_t = getsurfacenumtriangles(this, i_s);
 566                 for(i_t = 0; i_t < n_t; ++i_t)
 567                 {
 568                         tri = getsurfacetriangle(this, i_s, i_t);
 569                         a = getsurfacepoint(this, i_s, tri.x);
 570                         b = getsurfacepoint(this, i_s, tri.y);
 571                         c = getsurfacepoint(this, i_s, tri.z);
 572                         n = cross(c - a, b - a);
 573                         area = area + vlen(n);
 574                         norm = norm + n;
 575                         point = point + vlen(n) * (a + b + c);
 576                 }
 577         }
 578         if(area > 0)
 579         {
 580                 norm = norm * (1 / area);
 581                 point = point * (1 / (3 * area));
 582                 if(vdist(norm, <, 0.99))
 583                 {
 584                         LOG_INFO("trigger_warpzone near ", vtos(this.aiment.origin), " is nonplanar. BEWARE.");
 585                         area = 0; // no autofixing in this case
 586                 }
 587                 norm = normalize(norm);
 588         }
 589
 590         ang = '0 0 0';
 591         if(this.aiment)
 592         {
 593                 org = this.aiment.origin;
 594                 ang = this.aiment.angles;
 595                 if(area > 0)
 596                 {
 597                         org = org - ((org - point) * norm) * norm; // project to plane
 598                         MAKE_VECTORS_NEW(ang, forward, right, up);
 599                         if(norm * forward < 0)
 600                         {
 601                                 LOG_INFO("Position target of trigger_warpzone near ", vtos(this.aiment.origin), " points into trigger_warpzone. BEWARE.");
 602                                 norm = -1 * norm;
 603                         }
 604                         ang = vectoangles2(norm, up); // keep rotation, but turn exactly against plane
 605                         ang.x = -ang.x;
 606                         if(norm * forward < 0.99)
 607                                 LOG_INFO("trigger_warpzone near ", vtos(this.aiment.origin), " has been turned to match plane orientation (", vtos(this.aiment.angles), " -> ", vtos(ang));
 608                         if(vdist(org - this.aiment.origin, >, 0.5))
 609                                 LOG_INFO("trigger_warpzone near ", vtos(this.aiment.origin), " has been moved to match the plane (", vtos(this.aiment.origin), " -> ", vtos(org), ").");
 610                 }
 611         }
 612         else if(area > 0)
 613         {
 614                 org = point;
 615                 ang = vectoangles(norm);
 616                 ang.x = -ang.x;
 617         }
 618         else
 619                 error("cannot infer origin/angles for this warpzone, please use a killtarget or a trigger_warpzone_position");
 620
 621         this.warpzone_origin = org;
 622         this.warpzone_angles = ang;
 623 }
 624
 625 void WarpZone_InitStep_ClearTarget(entity this)
 626 {
 627         if(this.enemy)
 628                 this.enemy.enemy = NULL;
 629         this.enemy = NULL;
 630 }
 631
 632 void WarpZone_InitStep_FindTarget(entity this)
 633 {
 634         float i;
 635         entity e, e2;
 636
 637         if(this.enemy)
 638                 return;
 639
 640         // this way only one of the two ents needs to target
 641         if(this.target != "")
 642         {
 643                 this.enemy = this; // so the if(!e.enemy) check also skips this, saves one IF
 644
 645                 e2 = NULL;
 646                 for(e = NULL, i = 0; (e = find(e, targetname, this.target)); )
 647                         if(!e.enemy)
 648                                 if(e.classname == this.classname) // possibly non-warpzones may use the same targetname!
 649                                         if(random() * ++i < 1)
 650                                                 e2 = e;
 651                 if(!e2)
 652                 {
 653                         this.enemy = NULL;
 654                         error("Warpzone with non-existing target");
 655                         return;
 656                 }
 657                 this.enemy = e2;
 658                 e2.enemy = this;
 659         }
 660 }
 661
 662 void WarpZone_Think(entity this);
 663 void WarpZone_InitStep_FinalizeTransform(entity this)
 664 {
 665         if(!this.enemy || this.enemy.enemy != this)
 666         {
 667                 error("Invalid warp zone detected. Killed.");
 668                 return;
 669         }
 670
 671         warpzone_warpzones_exist = 1;
 672         WarpZone_SetUp(this, this.warpzone_origin, this.warpzone_angles, this.enemy.warpzone_origin, this.enemy.warpzone_angles);
 673         settouch(this, WarpZone_Touch);
 674         this.SendFlags = 0xFFFFFF;
 675         if(this.spawnflags & 1)
 676         {
 677                 setthink(this, WarpZone_Think);
 678                 this.nextthink = time;
 679         }
 680         else
 681                 this.nextthink = 0;
 682 }
 683
 684 float warpzone_initialized;
 685 //entity warpzone_first;
 686 entity warpzone_position_first;
 687 entity warpzone_camera_first;
 688 .entity warpzone_next;
 689 spawnfunc(misc_warpzone_position)
 690 {
 691         // "target", "angles", "origin"
 692         this.warpzone_next = warpzone_position_first;
 693         warpzone_position_first = this;
 694 }
 695 spawnfunc(trigger_warpzone_position)
 696 {
 697         spawnfunc_misc_warpzone_position(this);
 698 }
 699 spawnfunc(trigger_warpzone)
 700 {
 701         // warp zone entities must have:
 702         // "killtarget" pointing to a target_position with a direction arrow
 703         //              that points AWAY from the warp zone, and that is inside
 704         //              the warp zone trigger
 705         // "target"     pointing to an identical warp zone at another place in
 706         //              the map, with another killtarget to designate its
 707         //              orientation
 708
 709         if(!this.scale)
 710                 this.scale = this.modelscale;
 711         if(!this.scale)
 712                 this.scale = 1;
 713         string m;
 714         m = this.model;
 715         WarpZoneLib_ExactTrigger_Init(this);
 716         if(m != "")
 717         {
 718                 precache_model(m);
 719                 _setmodel(this, m); // no precision needed
 720         }
 721         setorigin(this, this.origin);
 722         if(this.scale)
 723                 setsize(this, this.mins * this.scale, this.maxs * this.scale);
 724         else
 725                 setsize(this, this.mins, this.maxs);
 726         setSendEntity(this, WarpZone_Send);
 727         this.SendFlags = 0xFFFFFF;
 728         BITSET_ASSIGN(this.effects, EF_NODEPTHTEST);
 729         this.warpzone_next = warpzone_first;
 730         warpzone_first = this;
 731
 732         IL_PUSH(g_warpzones, this);
 733 }
 734 spawnfunc(func_camera)
 735 {
 736         if(!this.scale)
 737                 this.scale = this.modelscale;
 738         if(!this.scale)
 739                 this.scale = 1;
 740         if(this.model != "")
 741         {
 742                 precache_model(this.model);
 743                 _setmodel(this, this.model); // no precision needed
 744         }
 745         setorigin(this, this.origin);
 746         if(this.scale)
 747                 setsize(this, this.mins * this.scale, this.maxs * this.scale);
 748         else
 749                 setsize(this, this.mins, this.maxs);
 750         if(!this.solid)
 751                 this.solid = SOLID_BSP;
 752         else if(this.solid < 0)
 753                 this.solid = SOLID_NOT;
 754         setSendEntity(this, WarpZone_Camera_Send);
 755         this.SendFlags = 0xFFFFFF;
 756         this.warpzone_next = warpzone_camera_first;
 757         warpzone_camera_first = this;
 758 }
 759 void WarpZones_Reconnect()
 760 {
 761         for(entity e = warpzone_first; e; e = e.warpzone_next)
 762                 WarpZone_InitStep_ClearTarget(e);
 763         for(entity e = warpzone_first; e; e = e.warpzone_next)
 764                 WarpZone_InitStep_FindTarget(e);
 765         for(entity e = warpzone_camera_first; e; e = e.warpzone_next)
 766                 WarpZoneCamera_InitStep_FindTarget(e);
 767         for(entity e = warpzone_first; e; e = e.warpzone_next)
 768                 WarpZone_InitStep_FinalizeTransform(e);
 769 }
 770
 771 void WarpZone_Think(entity this)
 772 {
 773         if(this.warpzone_save_origin != this.origin
 774         || this.warpzone_save_angles != this.angles
 775         || this.warpzone_save_eorigin != this.enemy.origin
 776         || this.warpzone_save_eangles != this.enemy.angles)
 777         {
 778                 WarpZone_InitStep_UpdateTransform(this);
 779                 WarpZone_InitStep_UpdateTransform(this.enemy);
 780                 WarpZone_InitStep_FinalizeTransform(this);
 781                 WarpZone_InitStep_FinalizeTransform(this.enemy);
 782                 this.warpzone_save_origin = this.origin;
 783                 this.warpzone_save_angles = this.angles;
 784                 this.warpzone_save_eorigin = this.enemy.origin;
 785                 this.warpzone_save_eangles = this.enemy.angles;
 786         }
 787         this.nextthink = time;
 788 }
 789
 790 void WarpZone_StartFrame()
 791 {
 792         if (!warpzone_initialized)
 793         {
 794                 warpzone_initialized = true;
 795                 for(entity e = warpzone_first; e; e = e.warpzone_next)
 796                         WarpZone_InitStep_FindOriginTarget(e);
 797                 for(entity e = warpzone_position_first; e; e = e.warpzone_next)
 798                         WarpZonePosition_InitStep_FindTarget(e);
 799                 for(entity e = warpzone_first; e; e = e.warpzone_next)
 800                         WarpZone_InitStep_UpdateTransform(e);
 801                 WarpZones_Reconnect();
 802                 WarpZone_PostInitialize_Callback();
 803         }
 804
 805         if(warpzone_warpzones_exist)
 806         {
 807                 IL_EACH(g_projectiles, true,
 808                 {
 809                         WarpZone_StoreProjectileData(it);
 810                 });
 811         }
 812
 813
 814         FOREACH_CLIENT(true,
 815         {
 816                 if(warpzone_warpzones_exist)
 817                         WarpZone_StoreProjectileData(it); // TODO: not actually needed
 818
 819                 if(IS_OBSERVER(it) || it.solid == SOLID_NOT)
 820                 if(IS_CLIENT(it)) // we don't care about it being a bot
 821                 {
 822                         // warpzones
 823                         if (warpzone_warpzones_exist) {
 824                                 entity e = WarpZone_Find(it.origin + it.mins, it.origin + it.maxs);
 825                                 if (e)
 826                                 if (!WarpZoneLib_ExactTrigger_Touch(e, it))
 827                                 if (WarpZone_PlaneDist(e, it.origin + it.view_ofs) <= 0)
 828                                         WarpZone_Teleport(e, it, -1, 0); // NOT triggering targets by this!
 829                         }
 830
 831                         // teleporters
 832                         if(it.teleportable)
 833                         {
 834                                 entity ent = Teleport_Find(it.origin + it.mins, it.origin + it.maxs);
 835                                 if (ent)
 836                                 if (!WarpZoneLib_ExactTrigger_Touch(ent, it))
 837                                         Simple_TeleportPlayer(ent, it); // NOT triggering targets by this!
 838                         }
 839                 }
 840         });
 841 }
 842
 843 .float warpzone_reconnecting;
 844 bool visible_to_some_client(entity ent)
 845 {
 846         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && checkpvs(it.origin + it.view_ofs, ent),
 847         {
 848                 return true;
 849         });
 850         return false;
 851 }
 852 void trigger_warpzone_reconnect_use(entity this, entity actor, entity trigger)
 853 {
 854         // NOTE: this matches for target, not targetname, but of course
 855         // targetname must be set too on the other entities
 856         for(entity e = warpzone_first; e; e = e.warpzone_next)
 857                 e.warpzone_reconnecting = ((this.target == "" || e.target == this.target) && !((this.spawnflags & 1) && (visible_to_some_client(e) || visible_to_some_client(e.enemy))));
 858         for(entity e = warpzone_camera_first; e; e = e.warpzone_next)
 859                 e.warpzone_reconnecting = ((this.target == "" || e.target == this.target) && !((this.spawnflags & 1) && visible_to_some_client(e)));
 860         for(entity e = warpzone_first; e; e = e.warpzone_next)
 861                 if(e.warpzone_reconnecting)
 862                         WarpZone_InitStep_ClearTarget(e);
 863         for(entity e = warpzone_first; e; e = e.warpzone_next)
 864                 if(e.warpzone_reconnecting)
 865                         WarpZone_InitStep_FindTarget(e);
 866         for(entity e = warpzone_camera_first; e; e = e.warpzone_next)
 867                 if(e.warpzone_reconnecting)
 868                         WarpZoneCamera_InitStep_FindTarget(e);
 869         for(entity e = warpzone_first; e; e = e.warpzone_next)
 870                 if(e.warpzone_reconnecting || e.enemy.warpzone_reconnecting)
 871                         WarpZone_InitStep_FinalizeTransform(e);
 872 }
 873
 874 spawnfunc(trigger_warpzone_reconnect)
 875 {
 876         this.use = trigger_warpzone_reconnect_use;
 877 }
 878
 879 spawnfunc(target_warpzone_reconnect)
 880 {
 881         spawnfunc_trigger_warpzone_reconnect(this); // both names make sense here :(
 882 }
 883
 884 void WarpZone_PlayerPhysics_FixVAngle(entity this)
 885 {
 886 #ifndef WARPZONE_DONT_FIX_VANGLE
 887         if(IS_REAL_CLIENT(this))
 888         if(this.v_angle.z <= 360) // if not already adjusted
 889         if(time - CS(this).ping * 0.001 < this.warpzone_teleport_time)
 890         {
 891                 this.v_angle = WarpZone_TransformVAngles(this.warpzone_teleport_zone, this.v_angle);
 892                 this.v_angle_z += 720; // mark as adjusted
 893         }
 894 #endif
 895 }
 896
 897 #endif