qcsrc/warpzonelib/server.qc

   1 .vector warpzone_oldorigin, warpzone_oldvelocity, warpzone_oldangles;
   2 .float warpzone_teleport_time;
   3
   4 void WarpZone_StoreProjectileData(entity e)
   5 {
   6         e.warpzone_oldorigin = e.origin;
   7         e.warpzone_oldvelocity = e.velocity;
   8         e.warpzone_oldangles = e.angles;
   9 }
  10
  11 void WarpZone_TeleportPlayer(entity teleporter, entity player, vector to, vector to_angles, vector to_velocity)
  12 {
  13         vector from;
  14
  15         makevectors (to_angles);
  16
  17         from = player.origin;
  18         setorigin (player, to);
  19         player.oldorigin = to; // for DP's unsticking
  20         player.angles = to_angles;
  21         player.fixangle = TRUE;
  22         player.velocity = to_velocity;
  23
  24         if(player.effects & EF_TELEPORT_BIT)
  25                 player.effects &~= EF_TELEPORT_BIT;
  26         else
  27                 player.effects |= EF_TELEPORT_BIT;
  28
  29         if(player.classname == "player")
  30                 player.flags &~= FL_ONGROUND;
  31
  32         WarpZone_PostTeleportPlayer_Callback(player);
  33 }
  34
  35 float WarpZone_Teleport(entity player)
  36 {
  37         vector o0, a0, v0, o1, a1, v1;
  38
  39         o0 = player.origin + player.view_ofs;
  40         v0 = player.velocity;
  41         a0 = player.angles;
  42
  43         if(WarpZone_PlaneDist(self, o0) >= 0) // wrong side of the trigger_warpzone
  44                 return 2;
  45         // no failure, we simply don't want to teleport yet; TODO in
  46         // this situation we may want to create a temporary clone
  47         // entity of the player to fix graphics glitch
  48
  49         o1 = WarpZone_TransformOrigin(self, o0);
  50         v1 = WarpZone_TransformVelocity(self, v0);
  51         if(player.classname == "player")
  52                 a1 = WarpZone_TransformVAngles(self, player.v_angle);
  53         else
  54                 a1 = WarpZone_TransformAngles(self, a0);
  55
  56         // put him inside solid
  57         tracebox(o1 - player.view_ofs, player.mins, player.maxs, o1 - player.view_ofs, MOVE_NOMONSTERS, player);
  58         if(trace_startsolid)
  59         {
  60                 vector mi, ma;
  61                 mi = player.mins;
  62                 ma = player.maxs;
  63                 setsize(player, mi - player.view_ofs, ma - player.view_ofs);
  64                 setorigin(player, o1);
  65                 if(WarpZoneLib_MoveOutOfSolid(player))
  66                 {
  67                         o1 = player.origin;
  68                         setsize(player, mi, ma);
  69                         setorigin(player, o0);
  70                 }
  71                 else
  72                 {
  73                         print("would have to put player in solid, won't do that\n");
  74                         setsize(player, mi, ma);
  75                         setorigin(player, o0 - player.view_ofs);
  76                         return 0; // cannot fix
  77                 }
  78         }
  79
  80         if(WarpZone_TargetPlaneDist(self, o1) <= 0)
  81         {
  82                 print("inconsistent warp zones or evil roundoff error\n");
  83                 return 0;
  84         }
  85
  86         //print(sprintf("warpzone: %f %f %f -> %f %f %f\n", o0_x, o0_y, o0_z, o1_x, o1_y, o1_z));
  87
  88         //o1 = trace_endpos;
  89         WarpZone_RefSys_Add(player, self);
  90         WarpZone_TeleportPlayer(self, player, o1 - player.view_ofs, a1, v1);
  91         WarpZone_StoreProjectileData(player);
  92         player.warpzone_teleport_time = time;
  93
  94         return 1;
  95 }
  96
  97 void WarpZone_Touch (void)
  98 {
  99         entity oldself, e;
 100
 101         if(other.classname == "trigger_warpzone")
 102                 return;
 103
 104         // FIXME needs a better check to know what is safe to teleport and what not
 105         if(other.movetype == MOVETYPE_NONE)
 106                 return;
 107
 108         if(WarpZoneLib_ExactTrigger_Touch())
 109                 return;
 110
 111         e = self.enemy;
 112         if(WarpZone_Teleport(other))
 113         {
 114                 if(self.aiment.target)
 115                 {
 116                         oldself = self;
 117                         activator = other;
 118                         self = self.aiment;
 119                         SUB_UseTargets();
 120                         self = oldself;
 121                 }
 122         }
 123         else
 124         {
 125                 dprint("WARPZONE FAIL AHAHAHAHAH))\n");
 126         }
 127 }
 128
 129 float WarpZone_Send(entity to, float sendflags)
 130 {
 131         WriteByte(MSG_ENTITY, ENT_CLIENT_WARPZONE);
 132
 133         // we need THESE to render the warpzone (and cull properly)...
 134         WriteCoord(MSG_ENTITY, self.origin_x);
 135         WriteCoord(MSG_ENTITY, self.origin_y);
 136         WriteCoord(MSG_ENTITY, self.origin_z);
 137
 138         WriteShort(MSG_ENTITY, self.modelindex);
 139         WriteCoord(MSG_ENTITY, self.mins_x);
 140         WriteCoord(MSG_ENTITY, self.mins_y);
 141         WriteCoord(MSG_ENTITY, self.mins_z);
 142         WriteCoord(MSG_ENTITY, self.maxs_x);
 143         WriteCoord(MSG_ENTITY, self.maxs_y);
 144         WriteCoord(MSG_ENTITY, self.maxs_z);
 145         WriteByte(MSG_ENTITY, bound(1, self.scale * 16, 255));
 146
 147         // we need THESE to calculate the proper transform
 148         WriteCoord(MSG_ENTITY, self.warpzone_origin_x);
 149         WriteCoord(MSG_ENTITY, self.warpzone_origin_y);
 150         WriteCoord(MSG_ENTITY, self.warpzone_origin_z);
 151         WriteCoord(MSG_ENTITY, self.warpzone_angles_x);
 152         WriteCoord(MSG_ENTITY, self.warpzone_angles_y);
 153         WriteCoord(MSG_ENTITY, self.warpzone_angles_z);
 154         WriteCoord(MSG_ENTITY, self.warpzone_targetorigin_x);
 155         WriteCoord(MSG_ENTITY, self.warpzone_targetorigin_y);
 156         WriteCoord(MSG_ENTITY, self.warpzone_targetorigin_z);
 157         WriteCoord(MSG_ENTITY, self.warpzone_targetangles_x);
 158         WriteCoord(MSG_ENTITY, self.warpzone_targetangles_y);
 159         WriteCoord(MSG_ENTITY, self.warpzone_targetangles_z);
 160
 161         return TRUE;
 162 }
 163
 164 float WarpZone_Camera_Send(entity to, float sendflags)
 165 {
 166         WriteByte(MSG_ENTITY, ENT_CLIENT_WARPZONE_CAMERA);
 167
 168         // we need THESE to render the warpzone (and cull properly)...
 169         WriteCoord(MSG_ENTITY, self.origin_x);
 170         WriteCoord(MSG_ENTITY, self.origin_y);
 171         WriteCoord(MSG_ENTITY, self.origin_z);
 172
 173         WriteShort(MSG_ENTITY, self.modelindex);
 174         WriteCoord(MSG_ENTITY, self.mins_x);
 175         WriteCoord(MSG_ENTITY, self.mins_y);
 176         WriteCoord(MSG_ENTITY, self.mins_z);
 177         WriteCoord(MSG_ENTITY, self.maxs_x);
 178         WriteCoord(MSG_ENTITY, self.maxs_y);
 179         WriteCoord(MSG_ENTITY, self.maxs_z);
 180         WriteByte(MSG_ENTITY, bound(1, self.scale * 16, 255));
 181
 182         // we need THESE to calculate the proper transform
 183         WriteCoord(MSG_ENTITY, self.enemy.origin_x);
 184         WriteCoord(MSG_ENTITY, self.enemy.origin_y);
 185         WriteCoord(MSG_ENTITY, self.enemy.origin_z);
 186         WriteCoord(MSG_ENTITY, self.enemy.angles_x);
 187         WriteCoord(MSG_ENTITY, self.enemy.angles_y);
 188         WriteCoord(MSG_ENTITY, self.enemy.angles_z);
 189
 190         return TRUE;
 191 }
 192
 193 float WarpZone_CheckProjectileImpact()
 194 {
 195         // if self hit a warpzone, abort
 196         vector o0, v0, a0;
 197         float mpd, pd, dpd;
 198         entity wz;
 199         wz = WarpZone_Find(self.origin + self.mins, self.origin + self.maxs);
 200         if(!wz)
 201                 return FALSE;
 202         o0 = self.origin;
 203         v0 = self.velocity;
 204         a0 = self.angles;
 205
 206         // this approach transports the projectile at its full speed, but does
 207         // not properly retain the projectile trail (but we can't retain it
 208         // easily anyway without delaying the projectile by two frames, so who
 209         // cares)
 210         WarpZone_TraceBox_ThroughZone(self.warpzone_oldorigin, self.mins, self.maxs, self.warpzone_oldorigin + self.warpzone_oldvelocity * frametime, MOVE_NORMAL, self, wz, WarpZone_trace_callback_t_null); // this will get us through the warpzone
 211         setorigin(self, trace_endpos);
 212         self.angles = WarpZone_TransformAngles(WarpZone_trace_transform, self.angles);
 213         self.velocity = WarpZone_TransformVelocity(WarpZone_trace_transform, self.velocity);
 214
 215         // in case we are in our warp zone post-teleport, shift the projectile forward a bit
 216         mpd = max(vlen(self.mins), vlen(self.maxs));
 217         pd = WarpZone_TargetPlaneDist(wz, self.origin);
 218         if(pd < mpd)
 219         {
 220                 dpd = normalize(self.velocity) * self.warpzone_targetforward;
 221                 setorigin(self, self.origin + normalize(self.velocity) * ((mpd - pd) / dpd));
 222                 if(!WarpZoneLib_MoveOutOfSolid(self))
 223                 {
 224                         setorigin(self, o0);
 225                         self.angles = a0;
 226                         self.velocity = v0;
 227                         return FALSE;
 228                 }
 229         }
 230         WarpZone_RefSys_Add(self, wz);
 231         WarpZone_StoreProjectileData(self);
 232         self.warpzone_teleport_time = time;
 233
 234         return TRUE;
 235 }
 236 float WarpZone_Projectile_Touch()
 237 {
 238         if(other.classname == "trigger_warpzone")
 239                 return TRUE;
 240         if(WarpZone_Projectile_Touch_ImpactFilter_Callback())
 241                 return TRUE;
 242         if(WarpZone_CheckProjectileImpact())
 243                 return TRUE;
 244         if(self.warpzone_teleport_time == time) // already got teleported this frame? no collision then please
 245         {
 246                 setorigin(self, self.warpzone_oldorigin);
 247                 self.velocity = self.warpzone_oldvelocity;
 248                 self.angles = self.warpzone_oldangles;
 249                 return TRUE;
 250         }
 251
 252         return FALSE;
 253 }
 254
 255 void WarpZone_InitStep_FindOriginTarget()
 256 {
 257         if(self.killtarget != "")
 258         {
 259                 self.aiment = find(world, targetname, self.killtarget);
 260                 if(self.aiment == world)
 261                 {
 262                         error("Warp zone with nonexisting killtarget");
 263                         return;
 264                 }
 265         }
 266 }
 267
 268 void WarpZonePosition_InitStep_FindTarget()
 269 {
 270         if(self.target == "")
 271         {
 272                 error("Warp zone position with no target");
 273                 return;
 274         }
 275         self.enemy = find(world, targetname, self.target);
 276         if(self.enemy == world)
 277         {
 278                 error("Warp zone position with nonexisting target");
 279                 return;
 280         }
 281         if(self.enemy.aiment)
 282         {
 283                 // already is positioned
 284                 error("Warp zone position targeting already oriented warpzone");
 285                 return;
 286         }
 287         self.enemy.aiment = self;
 288 }
 289
 290 void WarpZoneCamera_InitStep_FindTarget()
 291 {
 292         if(self.target == "")
 293         {
 294                 error("Camera with no target");
 295                 return;
 296         }
 297         self.enemy = find(world, targetname, self.target);
 298         if(self.enemy == world)
 299         {
 300                 error("Camera with nonexisting target");
 301                 return;
 302         }
 303         WarpZone_Camera_SetUp(self, self.enemy.origin, self.enemy.angles);
 304 }
 305
 306 void WarpZone_InitStep_UpdateTransform()
 307 {
 308         vector org, ang, norm, point;
 309         float area;
 310         vector tri, a, b, c, p, q, n;
 311         float i_s, i_t, n_t;
 312         string tex;
 313
 314         org = self.origin;
 315         if(org == '0 0 0')
 316                 org = 0.5 * (self.mins + self.maxs);
 317
 318         norm = point = '0 0 0';
 319         area = 0;
 320         for(i_s = 0; ; ++i_s)
 321         {
 322                 tex = getsurfacetexture(self, i_s);
 323                 if not(tex)
 324                         break; // this is beyond the last one
 325                 if(tex == "textures/common/trigger")
 326                         continue;
 327                 n_t = getsurfacenumtriangles(self, i_s);
 328                 for(i_t = 0; i_t < n_t; ++i_t)
 329                 {
 330                         tri = getsurfacetriangle(self, i_s, i_t);
 331                         a = getsurfacepoint(self, i_s, tri_x);
 332                         b = getsurfacepoint(self, i_s, tri_y);
 333                         c = getsurfacepoint(self, i_s, tri_z);
 334                         p = b - a;
 335                         q = c - a;
 336                         n =     '1 0 0' * (q_y * p_z - q_z * p_y)
 337                         +       '0 1 0' * (q_z * p_x - q_x * p_z)
 338                         +       '0 0 1' * (q_x * p_y - q_y * p_x);
 339                         area = area + vlen(n);
 340                         norm = norm + n;
 341                         point = point + vlen(n) * (a + b + c);
 342                 }
 343         }
 344         if(area > 0)
 345         {
 346                 norm = norm * (1 / area);
 347                 point = point * (1 / (3 * area));
 348                 if(vlen(norm) < 0.99)
 349                 {
 350                         print("trigger_warpzone near ", vtos(self.aiment.origin), " is nonplanar. BEWARE.\n");
 351                         area = 0; // no autofixing in this case
 352                 }
 353                 norm = normalize(norm);
 354         }
 355
 356         if(self.aiment)
 357         {
 358                 org = self.aiment.origin;
 359                 ang = self.aiment.angles;
 360                 if(area > 0)
 361                 {
 362                         org = org - ((org - point) * norm) * norm; // project to plane
 363                         makevectors(ang);
 364                         if(norm * v_forward < 0)
 365                         {
 366                                 print("Position target of trigger_warpzone near ", vtos(self.aiment.origin), " points into trigger_warpzone. BEWARE.\n");
 367                                 norm = -1 * norm;
 368                         }
 369                         ang = vectoangles(norm, v_up); // keep rotation, but turn exactly against plane
 370                         ang_x = -ang_x;
 371                         if(norm * v_forward < 0.99)
 372                                 print("trigger_warpzone near ", vtos(self.aiment.origin), " has been turned to match plane orientation (", vtos(self.aiment.angles), " -> ", vtos(ang), "\n");
 373                         if(vlen(org - self.aiment.origin) > 0.5)
 374                                 print("trigger_warpzone near ", vtos(self.aiment.origin), " has been moved to match the plane (", vtos(self.aiment.origin), " -> ", vtos(org), ").\n");
 375                 }
 376         }
 377         else if(area > 0)
 378         {
 379                 org = point;
 380                 ang = vectoangles(norm);
 381                 ang_x = -ang_x;
 382         }
 383         else
 384                 error("cannot infer origin/angles for this warpzone, please use a killtarget or a trigger_warpzone_position");
 385
 386         self.warpzone_origin = org;
 387         self.warpzone_angles = ang;
 388 }
 389
 390 void WarpZone_InitStep_ClearTarget()
 391 {
 392         if(self.enemy)
 393                 self.enemy.enemy = world;
 394         self.enemy = world;
 395 }
 396
 397 entity warpzone_first; .entity warpzone_next;
 398 void WarpZone_InitStep_FindTarget()
 399 {
 400         float i;
 401         entity e, e2;
 402
 403         if(self.enemy)
 404                 return;
 405
 406         // this way only one of the two ents needs to target
 407         if(self.target != "")
 408         {
 409                 self.enemy = self; // so the if(!e.enemy) check also skips self, saves one IF
 410
 411                 e2 = world;
 412                 for(e = world, i = 0; (e = find(e, targetname, self.target)); )
 413                         if(!e.enemy)
 414                                 if(e.classname == self.classname) // possibly non-warpzones may use the same targetname!
 415                                         if(random() * ++i < 1)
 416                                                 e2 = e;
 417                 if(!e2)
 418                 {
 419                         self.enemy = world;
 420                         error("Warpzone with non-existing target");
 421                         return;
 422                 }
 423                 self.enemy = e2;
 424                 e2.enemy = self;
 425         }
 426 }
 427
 428 void WarpZone_InitStep_FinalizeTransform()
 429 {
 430         if(!self.enemy || self.enemy.enemy != self)
 431         {
 432                 error("Invalid warp zone detected. Killed.");
 433                 return;
 434         }
 435
 436         WarpZone_SetUp(self, self.warpzone_origin, self.warpzone_angles, self.enemy.warpzone_origin, self.enemy.warpzone_angles);
 437         self.touch = WarpZone_Touch;
 438         self.SendFlags = 0xFFFFFF;
 439 }
 440
 441 float warpzone_initialized;
 442 entity warpzone_first;
 443 entity warpzone_position_first;
 444 entity warpzone_camera_first;
 445 .entity warpzone_next;
 446 void spawnfunc_misc_warpzone_position(void)
 447 {
 448         // "target", "angles", "origin"
 449         self.warpzone_next = warpzone_position_first;
 450         warpzone_position_first = self;
 451 }
 452 void spawnfunc_trigger_warpzone_position(void)
 453 {
 454         spawnfunc_misc_warpzone_position();
 455 }
 456 void spawnfunc_trigger_warpzone(void)
 457 {
 458         // warp zone entities must have:
 459         // "killtarget" pointing to a target_position with a direction arrow
 460         //              that points AWAY from the warp zone, and that is inside
 461         //              the warp zone trigger
 462         // "target"     pointing to an identical warp zone at another place in
 463         //              the map, with another killtarget to designate its
 464         //              orientation
 465
 466         if(!self.scale)
 467                 self.scale = self.modelscale;
 468         if(!self.scale)
 469                 self.scale = 1;
 470         string m;
 471         m = self.model;
 472         WarpZoneLib_ExactTrigger_Init();
 473         if(m != "")
 474         {
 475                 precache_model(m);
 476                 setmodel(self, m); // no precision needed
 477         }
 478         setorigin(self, self.origin);
 479         if(self.scale)
 480                 setsize(self, self.mins * self.scale, self.maxs * self.scale);
 481         else
 482                 setsize(self, self.mins, self.maxs);
 483         self.SendEntity = WarpZone_Send;
 484         self.SendFlags = 0xFFFFFF;
 485         self.effects |= EF_NODEPTHTEST;
 486         self.warpzone_next = warpzone_first;
 487         warpzone_first = self;
 488 }
 489 void spawnfunc_func_camera(void)
 490 {
 491         if(!self.scale)
 492                 self.scale = self.modelscale;
 493         if(!self.scale)
 494                 self.scale = 1;
 495         if(self.model != "")
 496         {
 497                 precache_model(self.model);
 498                 setmodel(self, self.model); // no precision needed
 499         }
 500         setorigin(self, self.origin);
 501         if(self.scale)
 502                 setsize(self, self.mins * self.scale, self.maxs * self.scale);
 503         else
 504                 setsize(self, self.mins, self.maxs);
 505         if(!self.solid)
 506                 self.solid = SOLID_BSP;
 507         else if(self.solid < 0)
 508                 self.solid = SOLID_NOT;
 509         self.SendEntity = WarpZone_Camera_Send;
 510         self.SendFlags = 0xFFFFFF;
 511         self.warpzone_next = warpzone_camera_first;
 512         warpzone_camera_first = self;
 513 }
 514 void WarpZones_Reconnect()
 515 {
 516         entity e;
 517         e = self;
 518         for(self = warpzone_first; self; self = self.warpzone_next)
 519                 WarpZone_InitStep_ClearTarget();
 520         for(self = warpzone_first; self; self = self.warpzone_next)
 521                 WarpZone_InitStep_FindTarget();
 522         for(self = warpzone_first; self; self = self.warpzone_next)
 523                 WarpZone_InitStep_FinalizeTransform();
 524         self = e;
 525 }
 526
 527 void WarpZone_StartFrame()
 528 {
 529         entity e;
 530         if(warpzone_initialized == 0)
 531         {
 532                 warpzone_initialized = 1;
 533                 e = self;
 534                 for(self = warpzone_first; self; self = self.warpzone_next)
 535                         WarpZone_InitStep_FindOriginTarget();
 536                 for(self = warpzone_position_first; self; self = self.warpzone_next)
 537                         WarpZonePosition_InitStep_FindTarget();
 538                 for(self = warpzone_camera_first; self; self = self.warpzone_next)
 539                         WarpZoneCamera_InitStep_FindTarget();
 540                 for(self = warpzone_first; self; self = self.warpzone_next)
 541                         WarpZone_InitStep_UpdateTransform();
 542                 self = e;
 543                 WarpZones_Reconnect();
 544         }
 545         for(e = world; (e = nextent(e)); )
 546                 WarpZone_StoreProjectileData(e);
 547 }
 548
 549 void trigger_warpzone_reconnect_use()
 550 {
 551         entity e;
 552         e = self;
 553         // NOTE: this matches for target, not targetname, but of course
 554         // targetname must be set too on the other entities
 555         for(self = warpzone_first; self; self = self.warpzone_next)
 556                 if(e.target == "" || self.target == e.target)
 557                         WarpZone_InitStep_ClearTarget();
 558         for(self = warpzone_first; self; self = self.warpzone_next)
 559                 if(e.target == "" || self.target == e.target)
 560                         WarpZone_InitStep_FindTarget();
 561         for(self = warpzone_first; self; self = self.warpzone_next)
 562                 if(e.target == "" || self.target == e.target || self.enemy.target == e.target)
 563                         WarpZone_InitStep_FinalizeTransform();
 564         self = e;
 565 }
 566
 567 void spawnfunc_trigger_warpzone_reconnect()
 568 {
 569         self.use = trigger_warpzone_reconnect_use;
 570 }
 571
 572 void spawnfunc_target_warpzone_reconnect()
 573 {
 574         spawnfunc_trigger_warpzone_reconnect(); // both names make sense here :(
 575 }