sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "portals.h"
  24
  25 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "0"}; // fast but loose
  26 static cvar_t sv_cullentities_portal = {0, "sv_cullentities_portal", "0"}; // extremely accurate visibility checking, but too slow
  27 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "1"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
  28 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0"};
  29
  30 server_t                sv;
  31 server_static_t svs;
  32
  33 static char localmodels[MAX_MODELS][5];                 // inline model names for precache
  34
  35 static mempool_t *sv_edicts_mempool = NULL;
  36
  37 //============================================================================
  38
  39 extern void SV_Phys_Init (void);
  40 extern void SV_World_Init (void);
  41
  42 /*
  43 ===============
  44 SV_Init
  45 ===============
  46 */
  47 void SV_Init (void)
  48 {
  49         int i;
  50
  51         Cvar_RegisterVariable (&sv_maxvelocity);
  52         Cvar_RegisterVariable (&sv_gravity);
  53         Cvar_RegisterVariable (&sv_friction);
  54         Cvar_RegisterVariable (&sv_edgefriction);
  55         Cvar_RegisterVariable (&sv_stopspeed);
  56         Cvar_RegisterVariable (&sv_maxspeed);
  57         Cvar_RegisterVariable (&sv_accelerate);
  58         Cvar_RegisterVariable (&sv_idealpitchscale);
  59         Cvar_RegisterVariable (&sv_aim);
  60         Cvar_RegisterVariable (&sv_nostep);
  61         Cvar_RegisterVariable (&sv_predict);
  62         Cvar_RegisterVariable (&sv_deltacompress);
  63         Cvar_RegisterVariable (&sv_cullentities_pvs);
  64         Cvar_RegisterVariable (&sv_cullentities_portal);
  65         Cvar_RegisterVariable (&sv_cullentities_trace);
  66         Cvar_RegisterVariable (&sv_cullentities_stats);
  67
  68         SV_Phys_Init();
  69         SV_World_Init();
  70
  71         for (i = 0;i < MAX_MODELS;i++)
  72                 sprintf (localmodels[i], "*%i", i);
  73
  74         sv_edicts_mempool = Mem_AllocPool("edicts");
  75 }
  76
  77 /*
  78 =============================================================================
  79
  80 EVENT MESSAGES
  81
  82 =============================================================================
  83 */
  84
  85 /*
  86 ==================
  87 SV_StartParticle
  88
  89 Make sure the event gets sent to all clients
  90 ==================
  91 */
  92 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
  93 {
  94         int             i, v;
  95
  96         if (sv.datagram.cursize > MAX_DATAGRAM-16)
  97                 return;
  98         MSG_WriteByte (&sv.datagram, svc_particle);
  99         MSG_WriteDPCoord (&sv.datagram, org[0]);
 100         MSG_WriteDPCoord (&sv.datagram, org[1]);
 101         MSG_WriteDPCoord (&sv.datagram, org[2]);
 102         for (i=0 ; i<3 ; i++)
 103         {
 104                 v = dir[i]*16;
 105                 if (v > 127)
 106                         v = 127;
 107                 else if (v < -128)
 108                         v = -128;
 109                 MSG_WriteChar (&sv.datagram, v);
 110         }
 111         MSG_WriteByte (&sv.datagram, count);
 112         MSG_WriteByte (&sv.datagram, color);
 113 }
 114
 115 /*
 116 ==================
 117 SV_StartEffect
 118
 119 Make sure the event gets sent to all clients
 120 ==================
 121 */
 122 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 123 {
 124         if (sv.datagram.cursize > MAX_DATAGRAM-18)
 125                 return;
 126         if (modelindex >= 256 || startframe >= 256)
 127         {
 128                 MSG_WriteByte (&sv.datagram, svc_effect2);
 129                 MSG_WriteDPCoord (&sv.datagram, org[0]);
 130                 MSG_WriteDPCoord (&sv.datagram, org[1]);
 131                 MSG_WriteDPCoord (&sv.datagram, org[2]);
 132                 MSG_WriteShort (&sv.datagram, modelindex);
 133                 MSG_WriteShort (&sv.datagram, startframe);
 134                 MSG_WriteByte (&sv.datagram, framecount);
 135                 MSG_WriteByte (&sv.datagram, framerate);
 136         }
 137         else
 138         {
 139                 MSG_WriteByte (&sv.datagram, svc_effect);
 140                 MSG_WriteDPCoord (&sv.datagram, org[0]);
 141                 MSG_WriteDPCoord (&sv.datagram, org[1]);
 142                 MSG_WriteDPCoord (&sv.datagram, org[2]);
 143                 MSG_WriteByte (&sv.datagram, modelindex);
 144                 MSG_WriteByte (&sv.datagram, startframe);
 145                 MSG_WriteByte (&sv.datagram, framecount);
 146                 MSG_WriteByte (&sv.datagram, framerate);
 147         }
 148 }
 149
 150 /*
 151 ==================
 152 SV_StartSound
 153
 154 Each entity can have eight independant sound sources, like voice,
 155 weapon, feet, etc.
 156
 157 Channel 0 is an auto-allocate channel, the others override anything
 158 already running on that entity/channel pair.
 159
 160 An attenuation of 0 will play full volume everywhere in the level.
 161 Larger attenuations will drop off.  (max 4 attenuation)
 162
 163 ==================
 164 */
 165 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
 166     float attenuation)
 167 {
 168     int         sound_num;
 169     int field_mask;
 170     int                 i;
 171         int                     ent;
 172
 173         if (volume < 0 || volume > 255)
 174                 Host_Error ("SV_StartSound: volume = %i", volume);
 175
 176         if (attenuation < 0 || attenuation > 4)
 177                 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
 178
 179         if (channel < 0 || channel > 7)
 180                 Host_Error ("SV_StartSound: channel = %i", channel);
 181
 182         if (sv.datagram.cursize > MAX_DATAGRAM-16)
 183                 return;
 184
 185 // find precache number for sound
 186     for (sound_num=1 ; sound_num<MAX_SOUNDS
 187         && sv.sound_precache[sound_num] ; sound_num++)
 188         if (!strcmp(sample, sv.sound_precache[sound_num]))
 189             break;
 190
 191     if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
 192     {
 193         Con_Printf ("SV_StartSound: %s not precached\n", sample);
 194         return;
 195     }
 196
 197         ent = NUM_FOR_EDICT(entity);
 198
 199         field_mask = 0;
 200         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 201                 field_mask |= SND_VOLUME;
 202         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 203                 field_mask |= SND_ATTENUATION;
 204         if (ent >= 8192)
 205                 field_mask |= SND_LARGEENTITY;
 206         if (sound_num >= 256 || channel >= 8)
 207                 field_mask |= SND_LARGESOUND;
 208
 209 // directed messages go only to the entity they are targeted on
 210         MSG_WriteByte (&sv.datagram, svc_sound);
 211         MSG_WriteByte (&sv.datagram, field_mask);
 212         if (field_mask & SND_VOLUME)
 213                 MSG_WriteByte (&sv.datagram, volume);
 214         if (field_mask & SND_ATTENUATION)
 215                 MSG_WriteByte (&sv.datagram, attenuation*64);
 216         if (field_mask & SND_LARGEENTITY)
 217         {
 218                 MSG_WriteShort (&sv.datagram, ent);
 219                 MSG_WriteByte (&sv.datagram, channel);
 220         }
 221         else
 222                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 223         if (field_mask & SND_LARGESOUND)
 224                 MSG_WriteShort (&sv.datagram, sound_num);
 225         else
 226                 MSG_WriteByte (&sv.datagram, sound_num);
 227         for (i = 0;i < 3;i++)
 228                 MSG_WriteDPCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]));
 229 }
 230
 231 /*
 232 ==============================================================================
 233
 234 CLIENT SPAWNING
 235
 236 ==============================================================================
 237 */
 238
 239 /*
 240 ================
 241 SV_SendServerinfo
 242
 243 Sends the first message from the server to a connected client.
 244 This will be sent on the initial connection and upon each server load.
 245 ================
 246 */
 247 void SV_SendServerinfo (client_t *client)
 248 {
 249         char                    **s;
 250         char                    message[2048];
 251
 252         // LordHavoc: clear entityframe tracking
 253         client->entityframenumber = 0;
 254         EntityFrame_ClearDatabase(&client->entitydatabase);
 255
 256         MSG_WriteByte (&client->message, svc_print);
 257         sprintf (message, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
 258         MSG_WriteString (&client->message,message);
 259
 260         MSG_WriteByte (&client->message, svc_serverinfo);
 261         MSG_WriteLong (&client->message, DPPROTOCOL_VERSION3);
 262         MSG_WriteByte (&client->message, svs.maxclients);
 263
 264         if (!coop.integer && deathmatch.integer)
 265                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
 266         else
 267                 MSG_WriteByte (&client->message, GAME_COOP);
 268
 269         sprintf (message, PR_GetString(sv.edicts->v->message));
 270
 271         MSG_WriteString (&client->message,message);
 272
 273         for (s = sv.model_precache+1 ; *s ; s++)
 274                 MSG_WriteString (&client->message, *s);
 275         MSG_WriteByte (&client->message, 0);
 276
 277         for (s = sv.sound_precache+1 ; *s ; s++)
 278                 MSG_WriteString (&client->message, *s);
 279         MSG_WriteByte (&client->message, 0);
 280
 281 // send music
 282         MSG_WriteByte (&client->message, svc_cdtrack);
 283         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 284         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 285
 286 // set view
 287         MSG_WriteByte (&client->message, svc_setview);
 288         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
 289
 290         MSG_WriteByte (&client->message, svc_signonnum);
 291         MSG_WriteByte (&client->message, 1);
 292
 293         client->sendsignon = true;
 294         client->spawned = false;                // need prespawn, spawn, etc
 295 }
 296
 297 /*
 298 ================
 299 SV_ConnectClient
 300
 301 Initializes a client_t for a new net connection.  This will only be called
 302 once for a player each game, not once for each level change.
 303 ================
 304 */
 305 void SV_ConnectClient (int clientnum)
 306 {
 307         edict_t                 *ent;
 308         client_t                *client;
 309         int                             edictnum;
 310         struct qsocket_s *netconnection;
 311         int                             i;
 312         float                   spawn_parms[NUM_SPAWN_PARMS];
 313
 314         client = svs.clients + clientnum;
 315
 316         Con_DPrintf ("Client %s connected\n", client->netconnection->address);
 317
 318         edictnum = clientnum+1;
 319
 320         ent = EDICT_NUM(edictnum);
 321
 322 // set up the client_t
 323         netconnection = client->netconnection;
 324
 325         if (sv.loadgame)
 326                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 327         memset (client, 0, sizeof(*client));
 328         client->netconnection = netconnection;
 329
 330         strcpy (client->name, "unconnected");
 331         client->active = true;
 332         client->spawned = false;
 333         client->edict = ent;
 334         client->message.data = client->msgbuf;
 335         client->message.maxsize = sizeof(client->msgbuf);
 336         client->message.allowoverflow = true;           // we can catch it
 337
 338         if (sv.loadgame)
 339                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 340         else
 341         {
 342         // call the progs to get default spawn parms for the new client
 343                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
 344                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 345                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
 346         }
 347
 348 #if NOROUTINGFIX
 349         SV_SendServerinfo (client);
 350 #else
 351         // send serverinfo on first nop
 352         client->waitingforconnect = true;
 353         client->sendsignon = true;
 354         client->spawned = false;                // need prespawn, spawn, etc
 355 #endif
 356 }
 357
 358
 359 /*
 360 ===================
 361 SV_CheckForNewClients
 362
 363 ===================
 364 */
 365 void SV_CheckForNewClients (void)
 366 {
 367         struct qsocket_s        *ret;
 368         int                             i;
 369
 370 //
 371 // check for new connections
 372 //
 373         while (1)
 374         {
 375                 ret = NET_CheckNewConnections ();
 376                 if (!ret)
 377                         break;
 378
 379         //
 380         // init a new client structure
 381         //
 382                 for (i=0 ; i<svs.maxclients ; i++)
 383                         if (!svs.clients[i].active)
 384                                 break;
 385                 if (i == svs.maxclients)
 386                         Sys_Error ("Host_CheckForNewClients: no free clients");
 387
 388                 svs.clients[i].netconnection = ret;
 389                 SV_ConnectClient (i);
 390
 391                 net_activeconnections++;
 392                 NET_Heartbeat (1);
 393         }
 394 }
 395
 396
 397
 398 /*
 399 ===============================================================================
 400
 401 FRAME UPDATES
 402
 403 ===============================================================================
 404 */
 405
 406 /*
 407 ==================
 408 SV_ClearDatagram
 409
 410 ==================
 411 */
 412 void SV_ClearDatagram (void)
 413 {
 414         SZ_Clear (&sv.datagram);
 415 }
 416
 417 /*
 418 =============================================================================
 419
 420 The PVS must include a small area around the client to allow head bobbing
 421 or other small motion on the client side.  Otherwise, a bob might cause an
 422 entity that should be visible to not show up, especially when the bob
 423 crosses a waterline.
 424
 425 =============================================================================
 426 */
 427
 428 int             fatbytes;
 429 qbyte   fatpvs[MAX_MAP_LEAFS/8];
 430
 431 void SV_AddToFatPVS (vec3_t org, mnode_t *node)
 432 {
 433         int             i;
 434         qbyte   *pvs;
 435         mplane_t        *plane;
 436         float   d;
 437
 438         while (1)
 439         {
 440         // if this is a leaf, accumulate the pvs bits
 441                 if (node->contents < 0)
 442                 {
 443                         if (node->contents != CONTENTS_SOLID)
 444                         {
 445                                 pvs = Mod_LeafPVS ( (mleaf_t *)node, sv.worldmodel);
 446                                 for (i=0 ; i<fatbytes ; i++)
 447                                         fatpvs[i] |= pvs[i];
 448                         }
 449                         return;
 450                 }
 451
 452                 plane = node->plane;
 453                 d = DotProduct (org, plane->normal) - plane->dist;
 454                 if (d > 8)
 455                         node = node->children[0];
 456                 else if (d < -8)
 457                         node = node->children[1];
 458                 else
 459                 {       // go down both
 460                         SV_AddToFatPVS (org, node->children[0]);
 461                         node = node->children[1];
 462                 }
 463         }
 464 }
 465
 466 /*
 467 =============
 468 SV_FatPVS
 469
 470 Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the
 471 given point.
 472 =============
 473 */
 474 qbyte *SV_FatPVS (vec3_t org)
 475 {
 476         fatbytes = (sv.worldmodel->numleafs+31)>>3;
 477         memset (fatpvs, 0, fatbytes);
 478         SV_AddToFatPVS (org, sv.worldmodel->nodes);
 479         return fatpvs;
 480 }
 481
 482 //=============================================================================
 483
 484
 485 int SV_BoxTouchingPVS (qbyte *pvs, vec3_t mins, vec3_t maxs, mnode_t *node)
 486 {
 487         int leafnum;
 488 loc0:
 489         if (node->contents < 0)
 490         {
 491                 // leaf
 492                 if (node->contents == CONTENTS_SOLID)
 493                         return false;
 494                 leafnum = (mleaf_t *)node - sv.worldmodel->leafs - 1;
 495                 return pvs[leafnum >> 3] & (1 << (leafnum & 7));
 496         }
 497
 498         // node - recurse down the BSP tree
 499         switch (BoxOnPlaneSide(mins, maxs, node->plane))
 500         {
 501         case 1: // front
 502                 node = node->children[0];
 503                 goto loc0;
 504         case 2: // back
 505                 node = node->children[1];
 506                 goto loc0;
 507         default: // crossing
 508                 if (node->children[0]->contents != CONTENTS_SOLID)
 509                         if (SV_BoxTouchingPVS (pvs, mins, maxs, node->children[0]))
 510                                 return true;
 511                 node = node->children[1];
 512                 goto loc0;
 513         }
 514         // never reached
 515         return false;
 516 }
 517
 518
 519 /*
 520 =============
 521 SV_WriteEntitiesToClient
 522
 523 =============
 524 */
 525 #ifdef QUAKEENTITIES
 526 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
 527 {
 528         int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects, lightsize;
 529         int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
 530         qbyte *pvs;
 531         vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
 532         float nextfullupdate, alphaf;
 533         edict_t *ent;
 534         eval_t *val;
 535         entity_state_t *baseline; // LordHavoc: delta or startup baseline
 536         trace_t trace;
 537         model_t *model;
 538
 539         Mod_CheckLoaded(sv.worldmodel);
 540
 541 // find the client's PVS
 542         VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
 543         pvs = SV_FatPVS (testeye);
 544
 545         culled_pvs = 0;
 546         culled_portal = 0;
 547         culled_trace = 0;
 548         visibleentities = 0;
 549         totalentities = 0;
 550
 551         clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 552         // send all entities that touch the pvs
 553         ent = NEXT_EDICT(sv.edicts);
 554         for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 555         {
 556                 bits = 0;
 557
 558                 // prevent delta compression against this frame (unless actually sent, which will restore this later)
 559                 nextfullupdate = client->nextfullupdate[e];
 560                 client->nextfullupdate[e] = -1;
 561
 562                 if (ent != clent) // LordHavoc: always send player
 563                 {
 564                         if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
 565                         {
 566                                 if (val->edict != clentnum)
 567                                 {
 568                                         // don't show to anyone else
 569                                         continue;
 570                                 }
 571                                 else
 572                                         bits |= U_VIEWMODEL; // show relative to the view
 573                         }
 574                         else
 575                         {
 576                                 // LordHavoc: never draw something told not to display to this client
 577                                 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
 578                                         continue;
 579                                 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
 580                                         continue;
 581                         }
 582                 }
 583
 584                 glowsize = 0;
 585
 586                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
 587                         glowsize = (int) val->_float >> 2;
 588                 if (glowsize > 255) glowsize = 255;
 589                 if (glowsize < 0) glowsize = 0;
 590
 591                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
 592                 if (val->_float != 0)
 593                         bits |= U_GLOWTRAIL;
 594
 595                 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
 596                 {
 597                         model = sv.models[(int)ent->v->modelindex];
 598                         Mod_CheckLoaded(model);
 599                 }
 600                 else
 601                 {
 602                         model = NULL;
 603                         if (ent != clent) // LordHavoc: always send player
 604                                 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
 605                                         continue;
 606                 }
 607
 608                 VectorCopy(ent->v->angles, angles);
 609                 if (DotProduct(ent->v->velocity, ent->v->velocity) >= 1.0f)
 610                 {
 611                         VectorMA(ent->v->origin, host_client->latency, ent->v->velocity, origin);
 612                         // LordHavoc: trace predicted movement to avoid putting things in walls
 613                         trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, origin, MOVE_NORMAL, ent);
 614                         VectorCopy(trace.endpos, origin);
 615                 }
 616                 else
 617                 {
 618                         VectorCopy(ent->v->origin, origin);
 619                 }
 620
 621                 // ent has survived every check so far, check if it is visible
 622                 if (ent != clent && ((bits & U_VIEWMODEL) == 0))
 623                 {
 624                         // use the predicted origin
 625                         entmins[0] = origin[0] - 1.0f;
 626                         entmins[1] = origin[1] - 1.0f;
 627                         entmins[2] = origin[2] - 1.0f;
 628                         entmaxs[0] = origin[0] + 1.0f;
 629                         entmaxs[1] = origin[1] + 1.0f;
 630                         entmaxs[2] = origin[2] + 1.0f;
 631                         // using the model's bounding box to ensure things are visible regardless of their physics box
 632                         if (model)
 633                         {
 634                                 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
 635                                 {
 636                                         VectorAdd(entmins, model->rotatedmins, entmins);
 637                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 638                                 }
 639                                 else if (ent->v->angles[1])
 640                                 {
 641                                         VectorAdd(entmins, model->yawmins, entmins);
 642                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 643                                 }
 644                                 else
 645                                 {
 646                                         VectorAdd(entmins, model->normalmins, entmins);
 647                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 648                                 }
 649                         }
 650
 651                         totalentities++;
 652
 653                         // if not touching a visible leaf
 654                         if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->nodes))
 655                         {
 656                                 culled_pvs++;
 657                                 continue;
 658                         }
 659
 660                         // or not visible through the portals
 661                         if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, entmins, entmaxs))
 662                         {
 663                                 culled_portal++;
 664                                 continue;
 665                         }
 666
 667                         // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms)
 668                         if (sv_cullentities_trace.integer && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
 669                         {
 670                                 // LordHavoc: test random offsets, to maximize chance of detection
 671                                 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 672                                 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 673                                 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 674
 675                                 Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
 676
 677                                 if (trace.fraction == 1)
 678                                         client->visibletime[e] = realtime + 1;
 679                                 else
 680                                 {
 681                                         //test nearest point on bbox
 682                                         testorigin[0] = bound(entmins[0], testeye[0], entmaxs[0]);
 683                                         testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]);
 684                                         testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]);
 685
 686                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
 687
 688                                         if (trace.fraction == 1)
 689                                                 client->visibletime[e] = realtime + 1;
 690                                         else if (realtime > client->visibletime[e])
 691                                         {
 692                                                 culled_trace++;
 693                                                 continue;
 694                                         }
 695                                 }
 696                         }
 697                         visibleentities++;
 698                 }
 699
 700                 alphaf = 255.0f;
 701                 scale = 16;
 702                 glowcolor = 254;
 703                 effects = ent->v->effects;
 704
 705                 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
 706                 if (val->_float != 0)
 707                         alphaf = val->_float * 255.0f;
 708
 709                 // HalfLife support
 710                 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
 711                 if (val->_float != 0)
 712                         alphaf = val->_float;
 713
 714                 if (alphaf == 0.0f)
 715                         alphaf = 255.0f;
 716                 alpha = bound(0, alphaf, 255);
 717
 718                 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
 719                 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
 720                 if (scale < 0) scale = 0;
 721                 if (scale > 255) scale = 255;
 722
 723                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
 724                 if (val->_float != 0)
 725                         glowcolor = (int) val->_float;
 726
 727                 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
 728                 if (val->_float != 0)
 729                         effects |= EF_FULLBRIGHT;
 730
 731                 if (ent != clent)
 732                 {
 733                         if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
 734                         {
 735                                 if (model) // model
 736                                 {
 737                                         // don't send if flagged for NODRAW and there are no effects
 738                                         if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
 739                                                 continue;
 740                                 }
 741                                 else // no model and no effects
 742                                         continue;
 743                         }
 744                 }
 745
 746                 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
 747                 {
 748                         Con_Printf ("packet overflow\n");
 749                         // mark the rest of the entities so they can't be delta compressed against this frame
 750                         for (;e < sv.num_edicts;e++)
 751                         {
 752                                 client->nextfullupdate[e] = -1;
 753                                 client->visibletime[e] = -1;
 754                         }
 755                         return;
 756                 }
 757
 758                 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
 759                         bits = bits | U_EXTERIORMODEL;
 760
 761 // send an update
 762                 baseline = &ent->baseline;
 763
 764                 if (((int)ent->v->effects & EF_DELTA) && sv_deltacompress.integer)
 765                 {
 766                         // every half second a full update is forced
 767                         if (realtime < client->nextfullupdate[e])
 768                         {
 769                                 bits |= U_DELTA;
 770                                 baseline = &ent->deltabaseline;
 771                         }
 772                         else
 773                                 nextfullupdate = realtime + 0.5f;
 774                 }
 775                 else
 776                         nextfullupdate = realtime + 0.5f;
 777
 778                 // restore nextfullupdate since this is being sent for real
 779                 client->nextfullupdate[e] = nextfullupdate;
 780
 781                 if (e >= 256)
 782                         bits |= U_LONGENTITY;
 783
 784                 if (ent->v->movetype == MOVETYPE_STEP)
 785                         bits |= U_STEP;
 786
 787                 // LordHavoc: old stuff, but rewritten to have more exact tolerances
 788                 if (origin[0] != baseline->origin[0])                                                                                   bits |= U_ORIGIN1;
 789                 if (origin[1] != baseline->origin[1])                                                                                   bits |= U_ORIGIN2;
 790                 if (origin[2] != baseline->origin[2])                                                                                   bits |= U_ORIGIN3;
 791                 if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
 792                 if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
 793                 if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
 794                 if (baseline->colormap != (qbyte) ent->v->colormap)                                                             bits |= U_COLORMAP;
 795                 if (baseline->skin != (qbyte) ent->v->skin)                                                                             bits |= U_SKIN;
 796                 if ((baseline->frame & 0x00FF) != ((int) ent->v->frame & 0x00FF))                               bits |= U_FRAME;
 797                 if ((baseline->effects & 0x00FF) != ((int) ent->v->effects & 0x00FF))                   bits |= U_EFFECTS;
 798                 if ((baseline->modelindex & 0x00FF) != ((int) ent->v->modelindex & 0x00FF))             bits |= U_MODEL;
 799
 800                 // LordHavoc: new stuff
 801                 if (baseline->alpha != alpha)                                                                                                   bits |= U_ALPHA;
 802                 if (baseline->scale != scale)                                                                                                   bits |= U_SCALE;
 803                 if (((int) baseline->effects & 0xFF00) != ((int) ent->v->effects & 0xFF00))             bits |= U_EFFECTS2;
 804                 if (baseline->glowsize != glowsize)                                                                                             bits |= U_GLOWSIZE;
 805                 if (baseline->glowcolor != glowcolor)                                                                                   bits |= U_GLOWCOLOR;
 806                 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->frame & 0xFF00))                 bits |= U_FRAME2;
 807                 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->modelindex & 0xFF00))            bits |= U_MODEL2;
 808
 809                 // update delta baseline
 810                 VectorCopy(ent->v->origin, ent->deltabaseline.origin);
 811                 VectorCopy(ent->v->angles, ent->deltabaseline.angles);
 812                 ent->deltabaseline.colormap = ent->v->colormap;
 813                 ent->deltabaseline.skin = ent->v->skin;
 814                 ent->deltabaseline.frame = ent->v->frame;
 815                 ent->deltabaseline.effects = ent->v->effects;
 816                 ent->deltabaseline.modelindex = ent->v->modelindex;
 817                 ent->deltabaseline.alpha = alpha;
 818                 ent->deltabaseline.scale = scale;
 819                 ent->deltabaseline.glowsize = glowsize;
 820                 ent->deltabaseline.glowcolor = glowcolor;
 821
 822                 // write the message
 823                 if (bits >= 16777216)
 824                         bits |= U_EXTEND2;
 825                 if (bits >= 65536)
 826                         bits |= U_EXTEND1;
 827                 if (bits >= 256)
 828                         bits |= U_MOREBITS;
 829                 bits |= U_SIGNAL;
 830
 831                 MSG_WriteByte (msg, bits);
 832                 if (bits & U_MOREBITS)
 833                         MSG_WriteByte (msg, bits>>8);
 834                 // LordHavoc: extend bytes have to be written here due to delta compression
 835                 if (bits & U_EXTEND1)
 836                         MSG_WriteByte (msg, bits>>16);
 837                 if (bits & U_EXTEND2)
 838                         MSG_WriteByte (msg, bits>>24);
 839
 840                 // LordHavoc: old stuff
 841                 if (bits & U_LONGENTITY)
 842                         MSG_WriteShort (msg,e);
 843                 else
 844                         MSG_WriteByte (msg,e);
 845                 if (bits & U_MODEL)             MSG_WriteByte (msg,     ent->v->modelindex);
 846                 if (bits & U_FRAME)             MSG_WriteByte (msg, ent->v->frame);
 847                 if (bits & U_COLORMAP)  MSG_WriteByte (msg, ent->v->colormap);
 848                 if (bits & U_SKIN)              MSG_WriteByte (msg, ent->v->skin);
 849                 if (bits & U_EFFECTS)   MSG_WriteByte (msg, ent->v->effects);
 850                 if (bits & U_ORIGIN1)   MSG_WriteDPCoord (msg, origin[0]);
 851                 if (bits & U_ANGLE1)    MSG_WriteAngle(msg, angles[0]);
 852                 if (bits & U_ORIGIN2)   MSG_WriteDPCoord (msg, origin[1]);
 853                 if (bits & U_ANGLE2)    MSG_WriteAngle(msg, angles[1]);
 854                 if (bits & U_ORIGIN3)   MSG_WriteDPCoord (msg, origin[2]);
 855                 if (bits & U_ANGLE3)    MSG_WriteAngle(msg, angles[2]);
 856
 857                 // LordHavoc: new stuff
 858                 if (bits & U_ALPHA)             MSG_WriteByte(msg, alpha);
 859                 if (bits & U_SCALE)             MSG_WriteByte(msg, scale);
 860                 if (bits & U_EFFECTS2)  MSG_WriteByte(msg, (int)ent->v->effects >> 8);
 861                 if (bits & U_GLOWSIZE)  MSG_WriteByte(msg, glowsize);
 862                 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
 863                 if (bits & U_FRAME2)    MSG_WriteByte(msg, (int)ent->v->frame >> 8);
 864                 if (bits & U_MODEL2)    MSG_WriteByte(msg, (int)ent->v->modelindex >> 8);
 865         }
 866
 867         if (sv_cullentities_stats.integer)
 868                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d portal %d trace\n", client->name, totalentities, visibleentities, culled_pvs + culled_portal + culled_trace, culled_pvs, culled_portal, culled_trace);
 869 }
 870 #else
 871 static entity_frame_t sv_writeentitiestoclient_entityframe;
 872 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
 873 {
 874         int e, clentnum, flags, alpha, glowcolor, glowsize, scale, effects, modelindex;
 875         int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
 876         float alphaf, lightsize;
 877         qbyte *pvs;
 878         vec3_t origin, angles, entmins, entmaxs, lightmins, lightmaxs, testorigin, testeye;
 879         edict_t *ent;
 880         eval_t *val;
 881         trace_t trace;
 882         model_t *model;
 883         entity_state_t *s;
 884
 885         if (client->sendsignon)
 886                 return;
 887
 888         Mod_CheckLoaded(sv.worldmodel);
 889
 890 // find the client's PVS
 891         // the real place being tested from
 892         VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
 893         pvs = SV_FatPVS (testeye);
 894
 895         // the place being reported (to consider the fact the client still
 896         // applies the view_ofs[2], so we have to only send the fractional part
 897         // of view_ofs[2], undoing what the client will redo)
 898         VectorCopy (testeye, testorigin);
 899         e = (int) clent->v->view_ofs[2] & 255;
 900         if (e >= 128)
 901                 e -= 256;
 902         testorigin[2] -= (float) e;
 903         EntityFrame_Clear(&sv_writeentitiestoclient_entityframe, testorigin);
 904
 905         culled_pvs = 0;
 906         culled_portal = 0;
 907         culled_trace = 0;
 908         visibleentities = 0;
 909         totalentities = 0;
 910
 911         clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 912         // send all entities that touch the pvs
 913         ent = NEXT_EDICT(sv.edicts);
 914         for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 915         {
 916                 if (ent->free)
 917                         continue;
 918                 flags = 0;
 919
 920                 if (ent != clent) // LordHavoc: always send player
 921                 {
 922                         if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
 923                         {
 924                                 if (val->edict == clentnum)
 925                                         flags |= RENDER_VIEWMODEL; // show relative to the view
 926                                 else
 927                                 {
 928                                         // don't show to anyone else
 929                                         continue;
 930                                 }
 931                         }
 932                         else
 933                         {
 934                                 // LordHavoc: never draw something told not to display to this client
 935                                 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
 936                                         continue;
 937                                 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
 938                                         continue;
 939                         }
 940                 }
 941
 942                 glowsize = 0;
 943                 effects = ent->v->effects;
 944                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
 945                         glowsize = (int) val->_float >> 2;
 946                 glowsize = bound(0, glowsize, 255);
 947
 948                 lightsize = 0;
 949                 if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 950                 {
 951                         if (effects & EF_BRIGHTFIELD)
 952                                 lightsize = max(lightsize, 80);
 953                         if (effects & EF_MUZZLEFLASH)
 954                                 lightsize = max(lightsize, 100);
 955                         if (effects & EF_BRIGHTLIGHT)
 956                                 lightsize = max(lightsize, 400);
 957                         if (effects & EF_DIMLIGHT)
 958                                 lightsize = max(lightsize, 200);
 959                         if (effects & EF_RED)
 960                                 lightsize = max(lightsize, 200);
 961                         if (effects & EF_BLUE)
 962                                 lightsize = max(lightsize, 200);
 963                         if (effects & EF_FLAME)
 964                                 lightsize = max(lightsize, 250);
 965                         if (effects & EF_STARDUST)
 966                                 lightsize = max(lightsize, 100);
 967                 }
 968                 if (glowsize)
 969                         lightsize = max(lightsize, glowsize << 2);
 970
 971                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
 972                 if (val->_float != 0)
 973                 {
 974                         flags |= RENDER_GLOWTRAIL;
 975                         lightsize = max(lightsize, 100);
 976                 }
 977
 978                 modelindex = 0;
 979                 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
 980                 {
 981                         modelindex = ent->v->modelindex;
 982                         model = sv.models[(int)ent->v->modelindex];
 983                         Mod_CheckLoaded(model);
 984                 }
 985                 else
 986                 {
 987                         model = NULL;
 988                         if (ent != clent) // LordHavoc: always send player
 989                                 if (lightsize == 0) // no effects
 990                                         continue;
 991                 }
 992
 993                 VectorCopy(ent->v->angles, angles);
 994                 if (DotProduct(ent->v->velocity, ent->v->velocity) >= 1.0f && host_client->latency >= 0.01f)
 995                 {
 996                         VectorMA(ent->v->origin, host_client->latency, ent->v->velocity, origin);
 997                         // LordHavoc: trace predicted movement to avoid putting things in walls
 998                         trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, origin, MOVE_NORMAL, ent);
 999                         VectorCopy(trace.endpos, origin);
1000                 }
1001                 else
1002                 {
1003                         VectorCopy(ent->v->origin, origin);
1004                 }
1005
1006                 // ent has survived every check so far, check if it is visible
1007                 // always send embedded brush models, they don't generate much traffic
1008                 if (ent != clent && ((flags & RENDER_VIEWMODEL) == 0) && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
1009                 {
1010                         // use the predicted origin
1011                         entmins[0] = origin[0] - 1.0f;
1012                         entmins[1] = origin[1] - 1.0f;
1013                         entmins[2] = origin[2] - 1.0f;
1014                         entmaxs[0] = origin[0] + 1.0f;
1015                         entmaxs[1] = origin[1] + 1.0f;
1016                         entmaxs[2] = origin[2] + 1.0f;
1017                         // using the model's bounding box to ensure things are visible regardless of their physics box
1018                         if (model)
1019                         {
1020                                 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
1021                                 {
1022                                         VectorAdd(entmins, model->rotatedmins, entmins);
1023                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
1024                                 }
1025                                 else if (ent->v->angles[1])
1026                                 {
1027                                         VectorAdd(entmins, model->yawmins, entmins);
1028                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
1029                                 }
1030                                 else
1031                                 {
1032                                         VectorAdd(entmins, model->normalmins, entmins);
1033                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
1034                                 }
1035                         }
1036                         lightmins[0] = min(entmins[0], origin[0] - lightsize);
1037                         lightmins[1] = min(entmins[1], origin[1] - lightsize);
1038                         lightmins[2] = min(entmins[2], origin[2] - lightsize);
1039                         lightmaxs[0] = min(entmaxs[0], origin[0] + lightsize);
1040                         lightmaxs[1] = min(entmaxs[1], origin[1] + lightsize);
1041                         lightmaxs[2] = min(entmaxs[2], origin[2] + lightsize);
1042
1043                         totalentities++;
1044
1045                         // if not touching a visible leaf
1046                         if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, lightmins, lightmaxs, sv.worldmodel->nodes))
1047                         {
1048                                 culled_pvs++;
1049                                 continue;
1050                         }
1051
1052                         // or not visible through the portals
1053                         if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, lightmins, lightmaxs))
1054                         {
1055                                 culled_portal++;
1056                                 continue;
1057                         }
1058
1059                         if (sv_cullentities_trace.integer)
1060                         {
1061                                 // LordHavoc: test center first
1062                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
1063                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
1064                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
1065                                 Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1066                                 if (trace.fraction == 1)
1067                                         client->visibletime[e] = realtime + 1;
1068                                 else
1069                                 {
1070                                         // LordHavoc: test random offsets, to maximize chance of detection
1071                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
1072                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
1073                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
1074                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1075                                         if (trace.fraction == 1)
1076                                                 client->visibletime[e] = realtime + 1;
1077                                         else
1078                                         {
1079                                                 if (lightsize)
1080                                                 {
1081                                                         // LordHavoc: test random offsets, to maximize chance of detection
1082                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
1083                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
1084                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
1085                                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1086                                                         if (trace.fraction == 1)
1087                                                                 client->visibletime[e] = realtime + 1;
1088                                                         else
1089                                                         {
1090                                                                 if (realtime > client->visibletime[e])
1091                                                                 {
1092                                                                         culled_trace++;
1093                                                                         continue;
1094                                                                 }
1095                                                         }
1096                                                 }
1097                                                 else
1098                                                 {
1099                                                         if (realtime > client->visibletime[e])
1100                                                         {
1101                                                                 culled_trace++;
1102                                                                 continue;
1103                                                         }
1104                                                 }
1105                                         }
1106                                 }
1107                         }
1108                         visibleentities++;
1109                 }
1110
1111                 alphaf = 255.0f;
1112                 scale = 16;
1113                 glowcolor = 254;
1114                 effects = ent->v->effects;
1115
1116                 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
1117                 if (val->_float != 0)
1118                         alphaf = val->_float * 255.0;
1119
1120                 // HalfLife support
1121                 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
1122                 if (val->_float != 0)
1123                         alphaf = val->_float;
1124
1125                 if (alphaf == 0.0f)
1126                         alphaf = 255.0f;
1127                 alpha = bound(0, alphaf, 255);
1128
1129                 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
1130                 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
1131                 if (scale < 0) scale = 0;
1132                 if (scale > 255) scale = 255;
1133
1134                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
1135                 if (val->_float != 0)
1136                         glowcolor = (int) val->_float;
1137
1138                 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
1139                 if (val->_float != 0)
1140                         effects |= EF_FULLBRIGHT;
1141
1142                 if (ent != clent)
1143                 {
1144                         if (lightsize == 0) // no effects
1145                         {
1146                                 if (model) // model
1147                                 {
1148                                         // don't send if flagged for NODRAW and there are no effects
1149                                         if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
1150                                                 continue;
1151                                 }
1152                                 else // no model and no effects
1153                                         continue;
1154                         }
1155                 }
1156
1157                 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
1158                         flags |= RENDER_EXTERIORMODEL;
1159
1160                 if (ent->v->movetype == MOVETYPE_STEP)
1161                         flags |= RENDER_STEP;
1162                 // don't send an entity if it's coordinates would wrap around
1163                 if ((effects & EF_LOWPRECISION) && origin[0] >= -32768 && origin[1] >= -32768 && origin[2] >= -32768 && origin[0] <= 32767 && origin[1] <= 32767 && origin[2] <= 32767)
1164                         flags |= RENDER_LOWPRECISION;
1165
1166                 s = EntityFrame_NewEntity(&sv_writeentitiestoclient_entityframe, e);
1167                 // if we run out of space, abort
1168                 if (!s)
1169                         break;
1170                 VectorCopy(origin, s->origin);
1171                 VectorCopy(angles, s->angles);
1172                 if (ent->v->colormap >= 1024)
1173                         flags |= RENDER_COLORMAPPED;
1174                 s->colormap = ent->v->colormap;
1175                 s->skin = ent->v->skin;
1176                 s->frame = ent->v->frame;
1177                 s->modelindex = modelindex;
1178                 s->effects = effects;
1179                 s->alpha = alpha;
1180                 s->scale = scale;
1181                 s->glowsize = glowsize;
1182                 s->glowcolor = glowcolor;
1183                 s->flags = flags;
1184         }
1185         sv_writeentitiestoclient_entityframe.framenum = ++client->entityframenumber;
1186         EntityFrame_Write(&client->entitydatabase, &sv_writeentitiestoclient_entityframe, msg);
1187
1188         if (sv_cullentities_stats.integer)
1189                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d portal %d trace\n", client->name, totalentities, visibleentities, culled_pvs + culled_portal + culled_trace, culled_pvs, culled_portal, culled_trace);
1190 }
1191 #endif
1192
1193 /*
1194 =============
1195 SV_CleanupEnts
1196
1197 =============
1198 */
1199 void SV_CleanupEnts (void)
1200 {
1201         int             e;
1202         edict_t *ent;
1203
1204         ent = NEXT_EDICT(sv.edicts);
1205         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
1206                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
1207 }
1208
1209 /*
1210 ==================
1211 SV_WriteClientdataToMessage
1212
1213 ==================
1214 */
1215 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
1216 {
1217         int             bits;
1218         int             i;
1219         edict_t *other;
1220         int             items;
1221         eval_t  *val;
1222         vec3_t  punchvector;
1223         qbyte   viewzoom;
1224
1225 //
1226 // send a damage message
1227 //
1228         if (ent->v->dmg_take || ent->v->dmg_save)
1229         {
1230                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
1231                 MSG_WriteByte (msg, svc_damage);
1232                 MSG_WriteByte (msg, ent->v->dmg_save);
1233                 MSG_WriteByte (msg, ent->v->dmg_take);
1234                 for (i=0 ; i<3 ; i++)
1235                         MSG_WriteDPCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]));
1236
1237                 ent->v->dmg_take = 0;
1238                 ent->v->dmg_save = 0;
1239         }
1240
1241 //
1242 // send the current viewpos offset from the view entity
1243 //
1244         SV_SetIdealPitch ();            // how much to look up / down ideally
1245
1246 // a fixangle might get lost in a dropped packet.  Oh well.
1247         if ( ent->v->fixangle )
1248         {
1249                 MSG_WriteByte (msg, svc_setangle);
1250                 for (i=0 ; i < 3 ; i++)
1251                         MSG_WriteAngle (msg, ent->v->angles[i] );
1252                 ent->v->fixangle = 0;
1253         }
1254
1255         bits = 0;
1256
1257         if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
1258                 bits |= SU_VIEWHEIGHT;
1259
1260         if (ent->v->idealpitch)
1261                 bits |= SU_IDEALPITCH;
1262
1263 // stuff the sigil bits into the high bits of items for sbar, or else
1264 // mix in items2
1265         val = GETEDICTFIELDVALUE(ent, eval_items2);
1266
1267         if (val)
1268                 items = (int)ent->v->items | ((int)val->_float << 23);
1269         else
1270                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
1271
1272         bits |= SU_ITEMS;
1273
1274         if ( (int)ent->v->flags & FL_ONGROUND)
1275                 bits |= SU_ONGROUND;
1276
1277         if ( ent->v->waterlevel >= 2)
1278                 bits |= SU_INWATER;
1279
1280         // dpprotocol
1281         VectorClear(punchvector);
1282         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
1283                 VectorCopy(val->vector, punchvector);
1284
1285         i = 255;
1286         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1287         {
1288                 i = val->_float * 255.0f;
1289                 if (i == 0)
1290                         i = 255;
1291                 else
1292                         i = bound(0, i, 255);
1293         }
1294         viewzoom = i;
1295
1296         if (viewzoom != 255)
1297                 bits |= SU_VIEWZOOM;
1298
1299         for (i=0 ; i<3 ; i++)
1300         {
1301                 if (ent->v->punchangle[i])
1302                         bits |= (SU_PUNCH1<<i);
1303                 if (punchvector[i]) // dpprotocol
1304                         bits |= (SU_PUNCHVEC1<<i); // dpprotocol
1305                 if (ent->v->velocity[i])
1306                         bits |= (SU_VELOCITY1<<i);
1307         }
1308
1309         if (ent->v->weaponframe)
1310                 bits |= SU_WEAPONFRAME;
1311
1312         if (ent->v->armorvalue)
1313                 bits |= SU_ARMOR;
1314
1315         bits |= SU_WEAPON;
1316
1317         if (bits >= 65536)
1318                 bits |= SU_EXTEND1;
1319         if (bits >= 16777216)
1320                 bits |= SU_EXTEND2;
1321
1322 // send the data
1323
1324         MSG_WriteByte (msg, svc_clientdata);
1325         MSG_WriteShort (msg, bits);
1326         if (bits & SU_EXTEND1)
1327                 MSG_WriteByte(msg, bits >> 16);
1328         if (bits & SU_EXTEND2)
1329                 MSG_WriteByte(msg, bits >> 24);
1330
1331         if (bits & SU_VIEWHEIGHT)
1332                 MSG_WriteChar (msg, ent->v->view_ofs[2]);
1333
1334         if (bits & SU_IDEALPITCH)
1335                 MSG_WriteChar (msg, ent->v->idealpitch);
1336
1337         for (i=0 ; i<3 ; i++)
1338         {
1339                 if (bits & (SU_PUNCH1<<i))
1340                         MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // dpprotocol
1341                 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
1342                         MSG_WriteDPCoord(msg, punchvector[i]); // dpprotocol
1343                 if (bits & (SU_VELOCITY1<<i))
1344                         MSG_WriteChar (msg, ent->v->velocity[i]/16);
1345         }
1346
1347 // [always sent]        if (bits & SU_ITEMS)
1348         MSG_WriteLong (msg, items);
1349
1350         if (bits & SU_WEAPONFRAME)
1351                 MSG_WriteByte (msg, ent->v->weaponframe);
1352         if (bits & SU_ARMOR)
1353                 MSG_WriteByte (msg, ent->v->armorvalue);
1354         if (bits & SU_WEAPON)
1355                 MSG_WriteByte (msg, SV_ModelIndex(PR_GetString(ent->v->weaponmodel)));
1356
1357         MSG_WriteShort (msg, ent->v->health);
1358         MSG_WriteByte (msg, ent->v->currentammo);
1359         MSG_WriteByte (msg, ent->v->ammo_shells);
1360         MSG_WriteByte (msg, ent->v->ammo_nails);
1361         MSG_WriteByte (msg, ent->v->ammo_rockets);
1362         MSG_WriteByte (msg, ent->v->ammo_cells);
1363
1364         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1365         {
1366                 for(i=0;i<32;i++)
1367                 {
1368                         if ( ((int)ent->v->weapon) & (1<<i) )
1369                         {
1370                                 MSG_WriteByte (msg, i);
1371                                 break;
1372                         }
1373                 }
1374         }
1375         else
1376         {
1377                 MSG_WriteByte (msg, ent->v->weapon);
1378         }
1379
1380         if (bits & SU_VIEWZOOM)
1381                 MSG_WriteByte (msg, viewzoom);
1382 }
1383
1384 /*
1385 =======================
1386 SV_SendClientDatagram
1387 =======================
1388 */
1389 static qbyte sv_sendclientdatagram_buf[MAX_DATAGRAM]; // FIXME?
1390 qboolean SV_SendClientDatagram (client_t *client)
1391 {
1392         sizebuf_t       msg;
1393
1394         msg.data = sv_sendclientdatagram_buf;
1395         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1396         msg.cursize = 0;
1397
1398         MSG_WriteByte (&msg, svc_time);
1399         MSG_WriteFloat (&msg, sv.time);
1400
1401         if (client->spawned)
1402         {
1403                 // add the client specific data to the datagram
1404                 SV_WriteClientdataToMessage (client->edict, &msg);
1405
1406                 SV_WriteEntitiesToClient (client, client->edict, &msg);
1407
1408                 // copy the server datagram if there is space
1409                 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
1410                         SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1411         }
1412
1413 // send the datagram
1414         if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1415         {
1416                 SV_DropClient (true);// if the message couldn't send, kick off
1417                 return false;
1418         }
1419
1420         return true;
1421 }
1422
1423 /*
1424 =======================
1425 SV_UpdateToReliableMessages
1426 =======================
1427 */
1428 void SV_UpdateToReliableMessages (void)
1429 {
1430         int                     i, j;
1431         client_t *client;
1432
1433 // check for changes to be sent over the reliable streams
1434         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1435         {
1436                 if (host_client->old_frags != host_client->edict->v->frags)
1437                 {
1438                         for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1439                         {
1440                                 if (!client->active || !client->spawned)
1441                                         continue;
1442                                 MSG_WriteByte (&client->message, svc_updatefrags);
1443                                 MSG_WriteByte (&client->message, i);
1444                                 MSG_WriteShort (&client->message, host_client->edict->v->frags);
1445                         }
1446
1447                         host_client->old_frags = host_client->edict->v->frags;
1448                 }
1449         }
1450
1451         for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1452         {
1453                 if (!client->active)
1454                         continue;
1455                 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1456         }
1457
1458         SZ_Clear (&sv.reliable_datagram);
1459 }
1460
1461
1462 /*
1463 =======================
1464 SV_SendNop
1465
1466 Send a nop message without trashing or sending the accumulated client
1467 message buffer
1468 =======================
1469 */
1470 void SV_SendNop (client_t *client)
1471 {
1472         sizebuf_t       msg;
1473         qbyte           buf[4];
1474
1475         msg.data = buf;
1476         msg.maxsize = sizeof(buf);
1477         msg.cursize = 0;
1478
1479         MSG_WriteChar (&msg, svc_nop);
1480
1481         if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1482                 SV_DropClient (true);   // if the message couldn't send, kick off
1483         client->last_message = realtime;
1484 }
1485
1486 /*
1487 =======================
1488 SV_SendClientMessages
1489 =======================
1490 */
1491 void SV_SendClientMessages (void)
1492 {
1493         int                     i;
1494
1495 // update frags, names, etc
1496         SV_UpdateToReliableMessages ();
1497
1498 // build individual updates
1499         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1500         {
1501                 if (!host_client->active)
1502                         continue;
1503
1504 #ifndef NOROUTINGFIX
1505                 if (host_client->sendserverinfo)
1506                 {
1507                         host_client->sendserverinfo = false;
1508                         SV_SendServerinfo (host_client);
1509                 }
1510 #endif
1511
1512                 if (host_client->spawned)
1513                 {
1514                         if (!SV_SendClientDatagram (host_client))
1515                                 continue;
1516                 }
1517                 else
1518                 {
1519                 // the player isn't totally in the game yet
1520                 // send small keepalive messages if too much time has passed
1521                 // send a full message when the next signon stage has been requested
1522                 // some other message data (name changes, etc) may accumulate
1523                 // between signon stages
1524                         if (!host_client->sendsignon)
1525                         {
1526                                 if (realtime - host_client->last_message > 5)
1527                                         SV_SendNop (host_client);
1528                                 continue;       // don't send out non-signon messages
1529                         }
1530                 }
1531
1532                 // check for an overflowed message.  Should only happen
1533                 // on a very fucked up connection that backs up a lot, then
1534                 // changes level
1535                 if (host_client->message.overflowed)
1536                 {
1537                         SV_DropClient (true);
1538                         host_client->message.overflowed = false;
1539                         continue;
1540                 }
1541
1542                 if (host_client->message.cursize || host_client->dropasap)
1543                 {
1544                         if (!NET_CanSendMessage (host_client->netconnection))
1545                                 continue;
1546
1547                         if (host_client->dropasap)
1548                                 SV_DropClient (false);  // went to another level
1549                         else
1550                         {
1551                                 if (NET_SendMessage (host_client->netconnection, &host_client->message) == -1)
1552                                         SV_DropClient (true);   // if the message couldn't send, kick off
1553                                 SZ_Clear (&host_client->message);
1554                                 host_client->last_message = realtime;
1555                                 host_client->sendsignon = false;
1556                         }
1557                 }
1558         }
1559
1560
1561 // clear muzzle flashes
1562         SV_CleanupEnts ();
1563 }
1564
1565
1566 /*
1567 ==============================================================================
1568
1569 SERVER SPAWNING
1570
1571 ==============================================================================
1572 */
1573
1574 /*
1575 ================
1576 SV_ModelIndex
1577
1578 ================
1579 */
1580 int SV_ModelIndex (const char *name)
1581 {
1582         int i;
1583
1584         if (!name || !name[0])
1585                 return 0;
1586
1587         for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1588                 if (!strcmp(sv.model_precache[i], name))
1589                         return i;
1590         if (i==MAX_MODELS || !sv.model_precache[i])
1591                 Host_Error ("SV_ModelIndex: model %s not precached", name);
1592         return i;
1593 }
1594
1595 #ifdef SV_QUAKEENTITIES
1596 /*
1597 ================
1598 SV_CreateBaseline
1599
1600 ================
1601 */
1602 void SV_CreateBaseline (void)
1603 {
1604         int i, entnum, large;
1605         edict_t *svent;
1606
1607         // LordHavoc: clear *all* states (note just active ones)
1608         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1609         {
1610                 // get the current server version
1611                 svent = EDICT_NUM(entnum);
1612
1613                 // LordHavoc: always clear state values, whether the entity is in use or not
1614                 ClearStateToDefault(&svent->baseline);
1615
1616                 if (svent->free)
1617                         continue;
1618                 if (entnum > svs.maxclients && !svent->v->modelindex)
1619                         continue;
1620
1621                 // create entity baseline
1622                 VectorCopy (svent->v->origin, svent->baseline.origin);
1623                 VectorCopy (svent->v->angles, svent->baseline.angles);
1624                 svent->baseline.frame = svent->v->frame;
1625                 svent->baseline.skin = svent->v->skin;
1626                 if (entnum > 0 && entnum <= svs.maxclients)
1627                 {
1628                         svent->baseline.colormap = entnum;
1629                         svent->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1630                 }
1631                 else
1632                 {
1633                         svent->baseline.colormap = 0;
1634                         svent->baseline.modelindex = svent->v->modelindex;
1635                 }
1636
1637                 large = false;
1638                 if (svent->baseline.modelindex & 0xFF00 || svent->baseline.frame & 0xFF00)
1639                         large = true;
1640
1641                 // add to the message
1642                 if (large)
1643                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1644                 else
1645                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1646                 MSG_WriteShort (&sv.signon, entnum);
1647
1648                 if (large)
1649                 {
1650                         MSG_WriteShort (&sv.signon, svent->baseline.modelindex);
1651                         MSG_WriteShort (&sv.signon, svent->baseline.frame);
1652                 }
1653                 else
1654                 {
1655                         MSG_WriteByte (&sv.signon, svent->baseline.modelindex);
1656                         MSG_WriteByte (&sv.signon, svent->baseline.frame);
1657                 }
1658                 MSG_WriteByte (&sv.signon, svent->baseline.colormap);
1659                 MSG_WriteByte (&sv.signon, svent->baseline.skin);
1660                 for (i=0 ; i<3 ; i++)
1661                 {
1662                         MSG_WriteDPCoord(&sv.signon, svent->baseline.origin[i]);
1663                         MSG_WriteAngle(&sv.signon, svent->baseline.angles[i]);
1664                 }
1665         }
1666 }
1667 #endif
1668
1669
1670 /*
1671 ================
1672 SV_SendReconnect
1673
1674 Tell all the clients that the server is changing levels
1675 ================
1676 */
1677 void SV_SendReconnect (void)
1678 {
1679         char    data[128];
1680         sizebuf_t       msg;
1681
1682         msg.data = data;
1683         msg.cursize = 0;
1684         msg.maxsize = sizeof(data);
1685
1686         MSG_WriteChar (&msg, svc_stufftext);
1687         MSG_WriteString (&msg, "reconnect\n");
1688         NET_SendToAll (&msg, 5);
1689
1690         if (cls.state != ca_dedicated)
1691                 Cmd_ExecuteString ("reconnect\n", src_command);
1692 }
1693
1694
1695 /*
1696 ================
1697 SV_SaveSpawnparms
1698
1699 Grabs the current state of each client for saving across the
1700 transition to another level
1701 ================
1702 */
1703 void SV_SaveSpawnparms (void)
1704 {
1705         int             i, j;
1706
1707         svs.serverflags = pr_global_struct->serverflags;
1708
1709         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1710         {
1711                 if (!host_client->active)
1712                         continue;
1713
1714         // call the progs to get default spawn parms for the new client
1715                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1716                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1717                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1718                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1719         }
1720 }
1721
1722 /*
1723 ================
1724 SV_SpawnServer
1725
1726 This is called at the start of each level
1727 ================
1728 */
1729 extern float            scr_centertime_off;
1730
1731 void SV_SpawnServer (const char *server)
1732 {
1733         edict_t         *ent;
1734         int                     i;
1735
1736         // let's not have any servers with no name
1737         if (hostname.string[0] == 0)
1738                 Cvar_Set ("hostname", "UNNAMED");
1739         scr_centertime_off = 0;
1740
1741         Con_DPrintf ("SpawnServer: %s\n",server);
1742         svs.changelevel_issued = false;         // now safe to issue another
1743
1744 //
1745 // tell all connected clients that we are going to a new level
1746 //
1747         if (sv.active)
1748                 SV_SendReconnect ();
1749
1750 //
1751 // make cvars consistant
1752 //
1753         if (coop.integer)
1754                 Cvar_SetValue ("deathmatch", 0);
1755         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1756
1757         Cvar_SetValue ("skill", (float)current_skill);
1758
1759 //
1760 // set up the new server
1761 //
1762         Host_ClearMemory ();
1763
1764         memset (&sv, 0, sizeof(sv));
1765
1766         strcpy (sv.name, server);
1767
1768 // load progs to get entity field count
1769         PR_LoadProgs ();
1770
1771 // allocate server memory
1772         sv.max_edicts = MAX_EDICTS;
1773
1774         // clear the edict memory pool
1775         Mem_EmptyPool(sv_edicts_mempool);
1776         // edict_t structures (hidden from progs)
1777         sv.edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t));
1778         // progs fields, often accessed by server
1779         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1780         // table of edict pointers, for quicker lookup of edicts
1781         sv.edictstable = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1782         // used by PushMove to move back pushed entities
1783         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1784         for (i = 0;i < sv.max_edicts;i++)
1785         {
1786                 ent = sv.edicts + i;
1787                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1788                 sv.edictstable[i] = ent;
1789         }
1790
1791         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1792         sv.datagram.cursize = 0;
1793         sv.datagram.data = sv.datagram_buf;
1794
1795         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1796         sv.reliable_datagram.cursize = 0;
1797         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1798
1799         sv.signon.maxsize = sizeof(sv.signon_buf);
1800         sv.signon.cursize = 0;
1801         sv.signon.data = sv.signon_buf;
1802
1803 // leave slots at start for clients only
1804         sv.num_edicts = svs.maxclients+1;
1805         for (i=0 ; i<svs.maxclients ; i++)
1806         {
1807                 ent = EDICT_NUM(i+1);
1808                 svs.clients[i].edict = ent;
1809         }
1810
1811         sv.state = ss_loading;
1812         sv.paused = false;
1813
1814         sv.time = 1.0;
1815
1816         Mod_ClearUsed();
1817
1818         strcpy (sv.name, server);
1819         sprintf (sv.modelname,"maps/%s.bsp", server);
1820         sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
1821         if (!sv.worldmodel)
1822         {
1823                 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1824                 sv.active = false;
1825                 return;
1826         }
1827         sv.models[1] = sv.worldmodel;
1828
1829 //
1830 // clear world interaction links
1831 //
1832         SV_ClearWorld ();
1833
1834         sv.sound_precache[0] = "";
1835
1836         sv.model_precache[0] = "";
1837         sv.model_precache[1] = sv.modelname;
1838         for (i = 1;i < sv.worldmodel->numsubmodels;i++)
1839         {
1840                 sv.model_precache[i+1] = localmodels[i];
1841                 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1842         }
1843
1844 //
1845 // load the rest of the entities
1846 //
1847         ent = EDICT_NUM(0);
1848         memset (ent->v, 0, progs->entityfields * 4);
1849         ent->free = false;
1850         ent->v->model = PR_SetString(sv.modelname);
1851         ent->v->modelindex = 1;         // world model
1852         ent->v->solid = SOLID_BSP;
1853         ent->v->movetype = MOVETYPE_PUSH;
1854
1855         if (coop.integer)
1856                 pr_global_struct->coop = coop.integer;
1857         else
1858                 pr_global_struct->deathmatch = deathmatch.integer;
1859
1860         pr_global_struct->mapname = PR_SetString(sv.name);
1861
1862 // serverflags are for cross level information (sigils)
1863         pr_global_struct->serverflags = svs.serverflags;
1864
1865         ED_LoadFromFile (sv.worldmodel->entities);
1866         // LordHavoc: clear world angles (to fix e3m3.bsp)
1867         VectorClear(sv.edicts->v->angles);
1868
1869         sv.active = true;
1870
1871 // all setup is completed, any further precache statements are errors
1872         sv.state = ss_active;
1873
1874 // run two frames to allow everything to settle
1875         sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1876         SV_Physics ();
1877         sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1878         SV_Physics ();
1879
1880         Mod_PurgeUnused();
1881
1882 #ifdef QUAKEENTITIES
1883 // create a baseline for more efficient communications
1884         SV_CreateBaseline ();
1885 #endif
1886
1887 // send serverinfo to all connected clients
1888         for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1889                 if (host_client->active)
1890                         SV_SendServerinfo (host_client);
1891
1892         Con_DPrintf ("Server spawned.\n");
1893         NET_Heartbeat (2);
1894 }
1895