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 }
 304
 305 void WarpZone_InitStep_UpdateTransform()
 306 {
 307         vector org, ang, norm, point;
 308         float area;
 309         vector tri, a, b, c, p, q, n;
 310         float i_s, i_t, n_t;
 311         string tex;
 312
 313         org = self.origin;
 314         if(org == '0 0 0')
 315                 org = 0.5 * (self.mins + self.maxs);
 316
 317         norm = point = '0 0 0';
 318         area = 0;
 319         for(i_s = 0; ; ++i_s)
 320         {
 321                 tex = getsurfacetexture(self, i_s);
 322                 if not(tex)
 323                         break; // this is beyond the last one
 324                 if(tex != "textures/common/warpzone")
 325                         continue;
 326                 n_t = getsurfacenumtriangles(self, i_s);
 327                 for(i_t = 0; i_t < n_t; ++i_t)
 328                 {
 329                         tri = getsurfacetriangle(self, i_s, i_t);
 330                         a = getsurfacepoint(self, i_s, tri_x);
 331                         b = getsurfacepoint(self, i_s, tri_y);
 332                         c = getsurfacepoint(self, i_s, tri_z);
 333                         p = b - a;
 334                         q = c - a;
 335                         n =     '1 0 0' * (q_y * p_z - q_z * p_y)
 336                         +       '0 1 0' * (q_z * p_x - q_x * p_z)
 337                         +       '0 0 1' * (q_x * p_y - q_y * p_x);
 338                         area = area + vlen(n);
 339                         norm = norm + n;
 340                         point = point + vlen(n) * (a + b + c);
 341                 }
 342         }
 343         if(area > 0)
 344         {
 345                 norm = norm * (1 / area);
 346                 point = point * (1 / (3 * area));
 347                 if(vlen(norm) < 0.99)
 348                 {
 349                         print("trigger_warpzone near ", vtos(self.aiment.origin), " is nonplanar. BEWARE.\n");
 350                         area = 0; // no autofixing in this case
 351                 }
 352                 norm = normalize(norm);
 353         }
 354
 355         if(self.aiment)
 356         {
 357                 org = self.aiment.origin;
 358                 ang = self.aiment.angles;
 359                 if(area > 0)
 360                 {
 361                         org = org - ((org - point) * norm) * norm; // project to plane
 362                         makevectors(ang);
 363                         if(norm * v_forward < 0)
 364                         {
 365                                 print("Position target of trigger_warpzone near ", vtos(self.aiment.origin), " points into trigger_warpzone. BEWARE.\n");
 366                                 norm = -1 * norm;
 367                         }
 368                         ang = vectoangles(norm, v_up); // keep rotation, but turn exactly against plane
 369                         ang_x = -ang_x;
 370                         if(norm * v_forward < 0.99)
 371                                 print("trigger_warpzone near ", vtos(self.aiment.origin), " has been turned to match plane orientation (", vtos(self.aiment.angles), " -> ", vtos(ang), "\n");
 372                         if(vlen(org - self.aiment.origin) > 0.5)
 373                                 print("trigger_warpzone near ", vtos(self.aiment.origin), " has been moved to match the plane (", vtos(self.aiment.origin), " -> ", vtos(org), ").\n");
 374                 }
 375         }
 376         else if(area > 0)
 377         {
 378                 org = point;
 379                 ang = vectoangles(norm);
 380                 ang_x = -ang_x;
 381         }
 382         else
 383                 error("cannot infer origin/angles for this warpzone, please use a killtarget or a trigger_warpzone_position");
 384
 385         self.warpzone_origin = org;
 386         self.warpzone_angles = ang;
 387 }
 388
 389 void WarpZone_InitStep_ClearTarget()
 390 {
 391         if(self.enemy)
 392                 self.enemy.enemy = world;
 393         self.enemy = world;
 394 }
 395
 396 void WarpZone_InitStep_FindTarget()
 397 {
 398         float i;
 399         entity e, e2;
 400
 401         // this way only one of the two ents needs to target
 402         if(self.target != "")
 403         {
 404                 e2 = world;
 405                 for(e = world; (e = find(e, targetname, self.target)); )
 406                         if(!e.enemy)
 407                                 if(random() * ++i < 1)
 408                                         e2 = e;
 409                 if(!e2)
 410                 {
 411                         error("Warpzone with non-existing target");
 412                         return;
 413                 }
 414                 self.enemy = e2;
 415                 e2.enemy = self;
 416         }
 417 }
 418
 419 void WarpZone_InitStep_FinalizeTransform()
 420 {
 421         if(!self.enemy || self.enemy.enemy != self)
 422         {
 423                 error("Invalid warp zone detected. Killed.");
 424                 return;
 425         }
 426
 427         WarpZone_SetUp(self, self.warpzone_origin, self.warpzone_angles, self.enemy.warpzone_origin, self.enemy.warpzone_angles);
 428         self.touch = WarpZone_Touch;
 429         self.SendFlags = 0xFFFFFF;
 430 }
 431
 432 float warpzone_initialized;
 433 entity warpzone_first;
 434 entity warpzone_position_first;
 435 entity warpzone_camera_first;
 436 .entity warpzone_next;
 437 void spawnfunc_misc_warpzone_position(void)
 438 {
 439         // "target", "angles", "origin"
 440         self.warpzone_next = warpzone_position_first;
 441         warpzone_position_first = self;
 442 }
 443 void spawnfunc_trigger_warpzone_position(void)
 444 {
 445         spawnfunc_misc_warpzone_position();
 446 }
 447 void spawnfunc_trigger_warpzone(void)
 448 {
 449         // warp zone entities must have:
 450         // "killtarget" pointing to a target_position with a direction arrow
 451         //              that points AWAY from the warp zone, and that is inside
 452         //              the warp zone trigger
 453         // "target"     pointing to an identical warp zone at another place in
 454         //              the map, with another killtarget to designate its
 455         //              orientation
 456
 457         if(!self.scale)
 458                 self.scale = self.modelscale;
 459         if(!self.scale)
 460                 self.scale = 1;
 461         string m;
 462         m = self.model;
 463         WarpZoneLib_ExactTrigger_Init();
 464         if(m != "")
 465         {
 466                 precache_model(m);
 467                 setmodel(self, m); // no precision needed
 468         }
 469         setorigin(self, self.origin);
 470         if(self.scale)
 471                 setsize(self, self.mins * self.scale, self.maxs * self.scale);
 472         else
 473                 setsize(self, self.mins, self.maxs);
 474         self.SendEntity = WarpZone_Send;
 475         self.SendFlags = 0xFFFFFF;
 476         self.effects |= EF_NODEPTHTEST;
 477         self.warpzone_next = warpzone_first;
 478         warpzone_first = self;
 479 }
 480 void spawnfunc_func_camera(void)
 481 {
 482         if(!self.scale)
 483                 self.scale = self.modelscale;
 484         if(!self.scale)
 485                 self.scale = 1;
 486         if(self.model != "")
 487         {
 488                 precache_model(self.model);
 489                 setmodel(self, self.model); // no precision needed
 490         }
 491         setorigin(self, self.origin);
 492         if(self.scale)
 493                 setsize(self, self.mins * self.scale, self.maxs * self.scale);
 494         else
 495                 setsize(self, self.mins, self.maxs);
 496         if(!self.solid)
 497                 self.solid = SOLID_BSP;
 498         else if(self.solid < 0)
 499                 self.solid = SOLID_NOT;
 500         self.SendEntity = WarpZone_Camera_Send;
 501         self.SendFlags = 0xFFFFFF;
 502         self.warpzone_next = warpzone_camera_first;
 503         warpzone_camera_first = self;
 504 }
 505 void WarpZones_Reconnect()
 506 {
 507         entity e;
 508         e = self;
 509         for(self = warpzone_first; self; self = self.warpzone_next)
 510                 WarpZone_InitStep_ClearTarget();
 511         for(self = warpzone_first; self; self = self.warpzone_next)
 512                 WarpZone_InitStep_FindTarget();
 513         for(self = warpzone_first; self; self = self.warpzone_next)
 514                 WarpZone_InitStep_FinalizeTransform();
 515         self = e;
 516 }
 517
 518 void WarpZone_StartFrame()
 519 {
 520         entity e;
 521         if(warpzone_initialized == 0)
 522         {
 523                 warpzone_initialized = 1;
 524                 e = self;
 525                 for(self = warpzone_first; self; self = self.warpzone_next)
 526                         WarpZone_InitStep_FindOriginTarget();
 527                 for(self = warpzone_position_first; self; self = self.warpzone_next)
 528                         WarpZonePosition_InitStep_FindTarget();
 529                 for(self = warpzone_camera_first; self; self = self.warpzone_next)
 530                         WarpZoneCamera_InitStep_FindTarget();
 531                 for(self = warpzone_first; self; self = self.warpzone_next)
 532                         WarpZone_InitStep_UpdateTransform();
 533                 self = e;
 534                 WarpZones_Reconnect();
 535         }
 536         for(e = world; (e = nextent(e)); )
 537                 WarpZone_StoreProjectileData(e);
 538 }
 539
 540 void target_warpzone_reconnect_use()
 541 {
 542         entity e;
 543         e = self;
 544         // NOTE: this matches for target, not targetname, but of course
 545         // targetname must be set too on the other entities
 546         for(self = warpzone_first; self; self = self.warpzone_next)
 547                 if(e.target == "" || self.target == e.target)
 548                         WarpZone_InitStep_ClearTarget();
 549         for(self = warpzone_first; self; self = self.warpzone_next)
 550                 if(e.target == "" || self.target == e.target)
 551                         WarpZone_InitStep_FindTarget();
 552         for(self = warpzone_first; self; self = self.warpzone_next)
 553                 if(e.target == "" || self.target == e.target || self.enemy.target == e.target)
 554                         WarpZone_InitStep_FinalizeTransform();
 555         self = e;
 556 }
 557
 558 void trigger_warpzone_reconnect()
 559 {
 560         self.use = target_warpzone_reconnect_use;
 561 }