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 static cvar_t sv_entpatch = {0, "sv_entpatch", "1"};
  30
  31 server_t                sv;
  32 server_static_t svs;
  33
  34 static char localmodels[MAX_MODELS][5];                 // inline model names for precache
  35
  36 static mempool_t *sv_edicts_mempool = NULL;
  37
  38 //============================================================================
  39
  40 extern void SV_Phys_Init (void);
  41 extern void SV_World_Init (void);
  42
  43 /*
  44 ===============
  45 SV_Init
  46 ===============
  47 */
  48 void SV_Init (void)
  49 {
  50         int i;
  51
  52         Cvar_RegisterVariable (&sv_maxvelocity);
  53         Cvar_RegisterVariable (&sv_gravity);
  54         Cvar_RegisterVariable (&sv_friction);
  55         Cvar_RegisterVariable (&sv_edgefriction);
  56         Cvar_RegisterVariable (&sv_stopspeed);
  57         Cvar_RegisterVariable (&sv_maxspeed);
  58         Cvar_RegisterVariable (&sv_accelerate);
  59         Cvar_RegisterVariable (&sv_idealpitchscale);
  60         Cvar_RegisterVariable (&sv_aim);
  61         Cvar_RegisterVariable (&sv_nostep);
  62         Cvar_RegisterVariable (&sv_predict);
  63         Cvar_RegisterVariable (&sv_deltacompress);
  64         Cvar_RegisterVariable (&sv_cullentities_pvs);
  65         Cvar_RegisterVariable (&sv_cullentities_portal);
  66         Cvar_RegisterVariable (&sv_cullentities_trace);
  67         Cvar_RegisterVariable (&sv_cullentities_stats);
  68         Cvar_RegisterVariable (&sv_entpatch);
  69
  70         SV_Phys_Init();
  71         SV_World_Init();
  72
  73         for (i = 0;i < MAX_MODELS;i++)
  74                 sprintf (localmodels[i], "*%i", i);
  75
  76         sv_edicts_mempool = Mem_AllocPool("edicts");
  77 }
  78
  79 /*
  80 =============================================================================
  81
  82 EVENT MESSAGES
  83
  84 =============================================================================
  85 */
  86
  87 /*
  88 ==================
  89 SV_StartParticle
  90
  91 Make sure the event gets sent to all clients
  92 ==================
  93 */
  94 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
  95 {
  96         int             i, v;
  97
  98         if (sv.datagram.cursize > MAX_DATAGRAM-16)
  99                 return;
 100         MSG_WriteByte (&sv.datagram, svc_particle);
 101         MSG_WriteDPCoord (&sv.datagram, org[0]);
 102         MSG_WriteDPCoord (&sv.datagram, org[1]);
 103         MSG_WriteDPCoord (&sv.datagram, org[2]);
 104         for (i=0 ; i<3 ; i++)
 105         {
 106                 v = dir[i]*16;
 107                 if (v > 127)
 108                         v = 127;
 109                 else if (v < -128)
 110                         v = -128;
 111                 MSG_WriteChar (&sv.datagram, v);
 112         }
 113         MSG_WriteByte (&sv.datagram, count);
 114         MSG_WriteByte (&sv.datagram, color);
 115 }
 116
 117 /*
 118 ==================
 119 SV_StartEffect
 120
 121 Make sure the event gets sent to all clients
 122 ==================
 123 */
 124 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 125 {
 126         if (sv.datagram.cursize > MAX_DATAGRAM-18)
 127                 return;
 128         if (modelindex >= 256 || startframe >= 256)
 129         {
 130                 MSG_WriteByte (&sv.datagram, svc_effect2);
 131                 MSG_WriteDPCoord (&sv.datagram, org[0]);
 132                 MSG_WriteDPCoord (&sv.datagram, org[1]);
 133                 MSG_WriteDPCoord (&sv.datagram, org[2]);
 134                 MSG_WriteShort (&sv.datagram, modelindex);
 135                 MSG_WriteShort (&sv.datagram, startframe);
 136                 MSG_WriteByte (&sv.datagram, framecount);
 137                 MSG_WriteByte (&sv.datagram, framerate);
 138         }
 139         else
 140         {
 141                 MSG_WriteByte (&sv.datagram, svc_effect);
 142                 MSG_WriteDPCoord (&sv.datagram, org[0]);
 143                 MSG_WriteDPCoord (&sv.datagram, org[1]);
 144                 MSG_WriteDPCoord (&sv.datagram, org[2]);
 145                 MSG_WriteByte (&sv.datagram, modelindex);
 146                 MSG_WriteByte (&sv.datagram, startframe);
 147                 MSG_WriteByte (&sv.datagram, framecount);
 148                 MSG_WriteByte (&sv.datagram, framerate);
 149         }
 150 }
 151
 152 /*
 153 ==================
 154 SV_StartSound
 155
 156 Each entity can have eight independant sound sources, like voice,
 157 weapon, feet, etc.
 158
 159 Channel 0 is an auto-allocate channel, the others override anything
 160 already running on that entity/channel pair.
 161
 162 An attenuation of 0 will play full volume everywhere in the level.
 163 Larger attenuations will drop off.  (max 4 attenuation)
 164
 165 ==================
 166 */
 167 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
 168     float attenuation)
 169 {
 170     int         sound_num;
 171     int field_mask;
 172     int                 i;
 173         int                     ent;
 174
 175         if (volume < 0 || volume > 255)
 176                 Host_Error ("SV_StartSound: volume = %i", volume);
 177
 178         if (attenuation < 0 || attenuation > 4)
 179                 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
 180
 181         if (channel < 0 || channel > 7)
 182                 Host_Error ("SV_StartSound: channel = %i", channel);
 183
 184         if (sv.datagram.cursize > MAX_DATAGRAM-16)
 185                 return;
 186
 187 // find precache number for sound
 188     for (sound_num=1 ; sound_num<MAX_SOUNDS
 189         && sv.sound_precache[sound_num] ; sound_num++)
 190         if (!strcmp(sample, sv.sound_precache[sound_num]))
 191             break;
 192
 193     if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
 194     {
 195         Con_Printf ("SV_StartSound: %s not precached\n", sample);
 196         return;
 197     }
 198
 199         ent = NUM_FOR_EDICT(entity);
 200
 201         field_mask = 0;
 202         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 203                 field_mask |= SND_VOLUME;
 204         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 205                 field_mask |= SND_ATTENUATION;
 206         if (ent >= 8192)
 207                 field_mask |= SND_LARGEENTITY;
 208         if (sound_num >= 256 || channel >= 8)
 209                 field_mask |= SND_LARGESOUND;
 210
 211 // directed messages go only to the entity they are targeted on
 212         MSG_WriteByte (&sv.datagram, svc_sound);
 213         MSG_WriteByte (&sv.datagram, field_mask);
 214         if (field_mask & SND_VOLUME)
 215                 MSG_WriteByte (&sv.datagram, volume);
 216         if (field_mask & SND_ATTENUATION)
 217                 MSG_WriteByte (&sv.datagram, attenuation*64);
 218         if (field_mask & SND_LARGEENTITY)
 219         {
 220                 MSG_WriteShort (&sv.datagram, ent);
 221                 MSG_WriteByte (&sv.datagram, channel);
 222         }
 223         else
 224                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 225         if (field_mask & SND_LARGESOUND)
 226                 MSG_WriteShort (&sv.datagram, sound_num);
 227         else
 228                 MSG_WriteByte (&sv.datagram, sound_num);
 229         for (i = 0;i < 3;i++)
 230                 MSG_WriteDPCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]));
 231 }
 232
 233 /*
 234 ==============================================================================
 235
 236 CLIENT SPAWNING
 237
 238 ==============================================================================
 239 */
 240
 241 /*
 242 ================
 243 SV_SendServerinfo
 244
 245 Sends the first message from the server to a connected client.
 246 This will be sent on the initial connection and upon each server load.
 247 ================
 248 */
 249 void SV_SendServerinfo (client_t *client)
 250 {
 251         char                    **s;
 252         char                    message[2048];
 253
 254         // LordHavoc: clear entityframe tracking
 255         client->entityframenumber = 0;
 256         EntityFrame_ClearDatabase(&client->entitydatabase);
 257
 258         MSG_WriteByte (&client->message, svc_print);
 259         sprintf (message, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
 260         MSG_WriteString (&client->message,message);
 261
 262         MSG_WriteByte (&client->message, svc_serverinfo);
 263         MSG_WriteLong (&client->message, DPPROTOCOL_VERSION3);
 264         MSG_WriteByte (&client->message, svs.maxclients);
 265
 266         if (!coop.integer && deathmatch.integer)
 267                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
 268         else
 269                 MSG_WriteByte (&client->message, GAME_COOP);
 270
 271         sprintf (message, PR_GetString(sv.edicts->v->message));
 272
 273         MSG_WriteString (&client->message,message);
 274
 275         for (s = sv.model_precache+1 ; *s ; s++)
 276                 MSG_WriteString (&client->message, *s);
 277         MSG_WriteByte (&client->message, 0);
 278
 279         for (s = sv.sound_precache+1 ; *s ; s++)
 280                 MSG_WriteString (&client->message, *s);
 281         MSG_WriteByte (&client->message, 0);
 282
 283 // send music
 284         MSG_WriteByte (&client->message, svc_cdtrack);
 285         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 286         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 287
 288 // set view
 289         MSG_WriteByte (&client->message, svc_setview);
 290         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
 291
 292         MSG_WriteByte (&client->message, svc_signonnum);
 293         MSG_WriteByte (&client->message, 1);
 294
 295         client->sendsignon = true;
 296         client->spawned = false;                // need prespawn, spawn, etc
 297 }
 298
 299 /*
 300 ================
 301 SV_ConnectClient
 302
 303 Initializes a client_t for a new net connection.  This will only be called
 304 once for a player each game, not once for each level change.
 305 ================
 306 */
 307 void SV_ConnectClient (int clientnum)
 308 {
 309         edict_t                 *ent;
 310         client_t                *client;
 311         int                             edictnum;
 312         struct qsocket_s *netconnection;
 313         int                             i;
 314         float                   spawn_parms[NUM_SPAWN_PARMS];
 315
 316         client = svs.clients + clientnum;
 317
 318         Con_DPrintf ("Client %s connected\n", client->netconnection->address);
 319
 320         edictnum = clientnum+1;
 321
 322         ent = EDICT_NUM(edictnum);
 323
 324 // set up the client_t
 325         netconnection = client->netconnection;
 326
 327         if (sv.loadgame)
 328                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 329         memset (client, 0, sizeof(*client));
 330         client->netconnection = netconnection;
 331
 332         strcpy (client->name, "unconnected");
 333         client->active = true;
 334         client->spawned = false;
 335         client->edict = ent;
 336         client->message.data = client->msgbuf;
 337         client->message.maxsize = sizeof(client->msgbuf);
 338         client->message.allowoverflow = true;           // we can catch it
 339
 340         if (sv.loadgame)
 341                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 342         else
 343         {
 344         // call the progs to get default spawn parms for the new client
 345                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
 346                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 347                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
 348         }
 349
 350 #if NOROUTINGFIX
 351         SV_SendServerinfo (client);
 352 #else
 353         // send serverinfo on first nop
 354         client->waitingforconnect = true;
 355         client->sendsignon = true;
 356         client->spawned = false;                // need prespawn, spawn, etc
 357 #endif
 358 }
 359
 360
 361 /*
 362 ===================
 363 SV_CheckForNewClients
 364
 365 ===================
 366 */
 367 void SV_CheckForNewClients (void)
 368 {
 369         struct qsocket_s        *ret;
 370         int                             i;
 371
 372 //
 373 // check for new connections
 374 //
 375         while (1)
 376         {
 377                 ret = NET_CheckNewConnections ();
 378                 if (!ret)
 379                         break;
 380
 381         //
 382         // init a new client structure
 383         //
 384                 for (i=0 ; i<svs.maxclients ; i++)
 385                         if (!svs.clients[i].active)
 386                                 break;
 387                 if (i == svs.maxclients)
 388                         Sys_Error ("Host_CheckForNewClients: no free clients");
 389
 390                 svs.clients[i].netconnection = ret;
 391                 SV_ConnectClient (i);
 392
 393                 net_activeconnections++;
 394                 NET_Heartbeat (1);
 395         }
 396 }
 397
 398
 399
 400 /*
 401 ===============================================================================
 402
 403 FRAME UPDATES
 404
 405 ===============================================================================
 406 */
 407
 408 /*
 409 ==================
 410 SV_ClearDatagram
 411
 412 ==================
 413 */
 414 void SV_ClearDatagram (void)
 415 {
 416         SZ_Clear (&sv.datagram);
 417 }
 418
 419 /*
 420 =============================================================================
 421
 422 The PVS must include a small area around the client to allow head bobbing
 423 or other small motion on the client side.  Otherwise, a bob might cause an
 424 entity that should be visible to not show up, especially when the bob
 425 crosses a waterline.
 426
 427 =============================================================================
 428 */
 429
 430 int             fatbytes;
 431 qbyte   fatpvs[MAX_MAP_LEAFS/8];
 432
 433 void SV_AddToFatPVS (vec3_t org, mnode_t *node)
 434 {
 435         int             i;
 436         qbyte   *pvs;
 437         mplane_t        *plane;
 438         float   d;
 439
 440         while (1)
 441         {
 442         // if this is a leaf, accumulate the pvs bits
 443                 if (node->contents < 0)
 444                 {
 445                         if (node->contents != CONTENTS_SOLID)
 446                         {
 447                                 pvs = Mod_LeafPVS ( (mleaf_t *)node, sv.worldmodel);
 448                                 for (i=0 ; i<fatbytes ; i++)
 449                                         fatpvs[i] |= pvs[i];
 450                         }
 451                         return;
 452                 }
 453
 454                 plane = node->plane;
 455                 d = DotProduct (org, plane->normal) - plane->dist;
 456                 if (d > 8)
 457                         node = node->children[0];
 458                 else if (d < -8)
 459                         node = node->children[1];
 460                 else
 461                 {       // go down both
 462                         SV_AddToFatPVS (org, node->children[0]);
 463                         node = node->children[1];
 464                 }
 465         }
 466 }
 467
 468 /*
 469 =============
 470 SV_FatPVS
 471
 472 Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the
 473 given point.
 474 =============
 475 */
 476 qbyte *SV_FatPVS (vec3_t org)
 477 {
 478         fatbytes = (sv.worldmodel->numleafs+31)>>3;
 479         memset (fatpvs, 0, fatbytes);
 480         SV_AddToFatPVS (org, sv.worldmodel->nodes);
 481         return fatpvs;
 482 }
 483
 484 //=============================================================================
 485
 486
 487 int SV_BoxTouchingPVS (qbyte *pvs, vec3_t mins, vec3_t maxs, mnode_t *node)
 488 {
 489         int leafnum;
 490 loc0:
 491         if (node->contents < 0)
 492         {
 493                 // leaf
 494                 if (node->contents == CONTENTS_SOLID)
 495                         return false;
 496                 leafnum = (mleaf_t *)node - sv.worldmodel->leafs - 1;
 497                 return pvs[leafnum >> 3] & (1 << (leafnum & 7));
 498         }
 499
 500         // node - recurse down the BSP tree
 501         switch (BoxOnPlaneSide(mins, maxs, node->plane))
 502         {
 503         case 1: // front
 504                 node = node->children[0];
 505                 goto loc0;
 506         case 2: // back
 507                 node = node->children[1];
 508                 goto loc0;
 509         default: // crossing
 510                 if (node->children[0]->contents != CONTENTS_SOLID)
 511                         if (SV_BoxTouchingPVS (pvs, mins, maxs, node->children[0]))
 512                                 return true;
 513                 node = node->children[1];
 514                 goto loc0;
 515         }
 516         // never reached
 517         return false;
 518 }
 519
 520
 521 /*
 522 =============
 523 SV_WriteEntitiesToClient
 524
 525 =============
 526 */
 527 #ifdef QUAKEENTITIES
 528 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
 529 {
 530         int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects, lightsize;
 531         int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
 532         qbyte *pvs;
 533         vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
 534         float nextfullupdate, alphaf;
 535         edict_t *ent;
 536         eval_t *val;
 537         entity_state_t *baseline; // LordHavoc: delta or startup baseline
 538         trace_t trace;
 539         model_t *model;
 540
 541         Mod_CheckLoaded(sv.worldmodel);
 542
 543 // find the client's PVS
 544         VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
 545         pvs = SV_FatPVS (testeye);
 546
 547         culled_pvs = 0;
 548         culled_portal = 0;
 549         culled_trace = 0;
 550         visibleentities = 0;
 551         totalentities = 0;
 552
 553         clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 554         // send all entities that touch the pvs
 555         ent = NEXT_EDICT(sv.edicts);
 556         for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 557         {
 558                 bits = 0;
 559
 560                 // prevent delta compression against this frame (unless actually sent, which will restore this later)
 561                 nextfullupdate = client->nextfullupdate[e];
 562                 client->nextfullupdate[e] = -1;
 563
 564                 if (ent != clent) // LordHavoc: always send player
 565                 {
 566                         if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
 567                         {
 568                                 if (val->edict != clentnum)
 569                                 {
 570                                         // don't show to anyone else
 571                                         continue;
 572                                 }
 573                                 else
 574                                         bits |= U_VIEWMODEL; // show relative to the view
 575                         }
 576                         else
 577                         {
 578                                 // LordHavoc: never draw something told not to display to this client
 579                                 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
 580                                         continue;
 581                                 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
 582                                         continue;
 583                         }
 584                 }
 585
 586                 glowsize = 0;
 587
 588                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
 589                         glowsize = (int) val->_float >> 2;
 590                 if (glowsize > 255) glowsize = 255;
 591                 if (glowsize < 0) glowsize = 0;
 592
 593                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
 594                 if (val->_float != 0)
 595                         bits |= U_GLOWTRAIL;
 596
 597                 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
 598                 {
 599                         model = sv.models[(int)ent->v->modelindex];
 600                         Mod_CheckLoaded(model);
 601                 }
 602                 else
 603                 {
 604                         model = NULL;
 605                         if (ent != clent) // LordHavoc: always send player
 606                                 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
 607                                         continue;
 608                 }
 609
 610                 VectorCopy(ent->v->angles, angles);
 611                 if (DotProduct(ent->v->velocity, ent->v->velocity) >= 1.0f)
 612                 {
 613                         VectorMA(ent->v->origin, host_client->latency, ent->v->velocity, origin);
 614                         // LordHavoc: trace predicted movement to avoid putting things in walls
 615                         trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, origin, MOVE_NORMAL, ent);
 616                         VectorCopy(trace.endpos, origin);
 617                 }
 618                 else
 619                 {
 620                         VectorCopy(ent->v->origin, origin);
 621                 }
 622
 623                 // ent has survived every check so far, check if it is visible
 624                 if (ent != clent && ((bits & U_VIEWMODEL) == 0))
 625                 {
 626                         // use the predicted origin
 627                         entmins[0] = origin[0] - 1.0f;
 628                         entmins[1] = origin[1] - 1.0f;
 629                         entmins[2] = origin[2] - 1.0f;
 630                         entmaxs[0] = origin[0] + 1.0f;
 631                         entmaxs[1] = origin[1] + 1.0f;
 632                         entmaxs[2] = origin[2] + 1.0f;
 633                         // using the model's bounding box to ensure things are visible regardless of their physics box
 634                         if (model)
 635                         {
 636                                 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
 637                                 {
 638                                         VectorAdd(entmins, model->rotatedmins, entmins);
 639                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 640                                 }
 641                                 else if (ent->v->angles[1])
 642                                 {
 643                                         VectorAdd(entmins, model->yawmins, entmins);
 644                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 645                                 }
 646                                 else
 647                                 {
 648                                         VectorAdd(entmins, model->normalmins, entmins);
 649                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 650                                 }
 651                         }
 652
 653                         totalentities++;
 654
 655                         // if not touching a visible leaf
 656                         if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->nodes))
 657                         {
 658                                 culled_pvs++;
 659                                 continue;
 660                         }
 661
 662                         // or not visible through the portals
 663                         if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, entmins, entmaxs))
 664                         {
 665                                 culled_portal++;
 666                                 continue;
 667                         }
 668
 669                         // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms)
 670                         if (sv_cullentities_trace.integer && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
 671                         {
 672                                 // LordHavoc: test random offsets, to maximize chance of detection
 673                                 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 674                                 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 675                                 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 676
 677                                 Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
 678
 679                                 if (trace.fraction == 1)
 680                                         client->visibletime[e] = realtime + 1;
 681                                 else
 682                                 {
 683                                         //test nearest point on bbox
 684                                         testorigin[0] = bound(entmins[0], testeye[0], entmaxs[0]);
 685                                         testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]);
 686                                         testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]);
 687
 688                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
 689
 690                                         if (trace.fraction == 1)
 691                                                 client->visibletime[e] = realtime + 1;
 692                                         else if (realtime > client->visibletime[e])
 693                                         {
 694                                                 culled_trace++;
 695                                                 continue;
 696                                         }
 697                                 }
 698                         }
 699                         visibleentities++;
 700                 }
 701
 702                 alphaf = 255.0f;
 703                 scale = 16;
 704                 glowcolor = 254;
 705                 effects = ent->v->effects;
 706
 707                 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
 708                 if (val->_float != 0)
 709                         alphaf = val->_float * 255.0f;
 710
 711                 // HalfLife support
 712                 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
 713                 if (val->_float != 0)
 714                         alphaf = val->_float;
 715
 716                 if (alphaf == 0.0f)
 717                         alphaf = 255.0f;
 718                 alpha = bound(0, alphaf, 255);
 719
 720                 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
 721                 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
 722                 if (scale < 0) scale = 0;
 723                 if (scale > 255) scale = 255;
 724
 725                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
 726                 if (val->_float != 0)
 727                         glowcolor = (int) val->_float;
 728
 729                 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
 730                 if (val->_float != 0)
 731                         effects |= EF_FULLBRIGHT;
 732
 733                 if (ent != clent)
 734                 {
 735                         if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
 736                         {
 737                                 if (model) // model
 738                                 {
 739                                         // don't send if flagged for NODRAW and there are no effects
 740                                         if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
 741                                                 continue;
 742                                 }
 743                                 else // no model and no effects
 744                                         continue;
 745                         }
 746                 }
 747
 748                 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
 749                 {
 750                         Con_Printf ("packet overflow\n");
 751                         // mark the rest of the entities so they can't be delta compressed against this frame
 752                         for (;e < sv.num_edicts;e++)
 753                         {
 754                                 client->nextfullupdate[e] = -1;
 755                                 client->visibletime[e] = -1;
 756                         }
 757                         return;
 758                 }
 759
 760                 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
 761                         bits = bits | U_EXTERIORMODEL;
 762
 763 // send an update
 764                 baseline = &ent->baseline;
 765
 766                 if (((int)ent->v->effects & EF_DELTA) && sv_deltacompress.integer)
 767                 {
 768                         // every half second a full update is forced
 769                         if (realtime < client->nextfullupdate[e])
 770                         {
 771                                 bits |= U_DELTA;
 772                                 baseline = &ent->deltabaseline;
 773                         }
 774                         else
 775                                 nextfullupdate = realtime + 0.5f;
 776                 }
 777                 else
 778                         nextfullupdate = realtime + 0.5f;
 779
 780                 // restore nextfullupdate since this is being sent for real
 781                 client->nextfullupdate[e] = nextfullupdate;
 782
 783                 if (e >= 256)
 784                         bits |= U_LONGENTITY;
 785
 786                 if (ent->v->movetype == MOVETYPE_STEP)
 787                         bits |= U_STEP;
 788
 789                 // LordHavoc: old stuff, but rewritten to have more exact tolerances
 790                 if (origin[0] != baseline->origin[0])                                                                                   bits |= U_ORIGIN1;
 791                 if (origin[1] != baseline->origin[1])                                                                                   bits |= U_ORIGIN2;
 792                 if (origin[2] != baseline->origin[2])                                                                                   bits |= U_ORIGIN3;
 793                 if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
 794                 if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
 795                 if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
 796                 if (baseline->colormap != (qbyte) ent->v->colormap)                                                             bits |= U_COLORMAP;
 797                 if (baseline->skin != (qbyte) ent->v->skin)                                                                             bits |= U_SKIN;
 798                 if ((baseline->frame & 0x00FF) != ((int) ent->v->frame & 0x00FF))                               bits |= U_FRAME;
 799                 if ((baseline->effects & 0x00FF) != ((int) ent->v->effects & 0x00FF))                   bits |= U_EFFECTS;
 800                 if ((baseline->modelindex & 0x00FF) != ((int) ent->v->modelindex & 0x00FF))             bits |= U_MODEL;
 801
 802                 // LordHavoc: new stuff
 803                 if (baseline->alpha != alpha)                                                                                                   bits |= U_ALPHA;
 804                 if (baseline->scale != scale)                                                                                                   bits |= U_SCALE;
 805                 if (((int) baseline->effects & 0xFF00) != ((int) ent->v->effects & 0xFF00))             bits |= U_EFFECTS2;
 806                 if (baseline->glowsize != glowsize)                                                                                             bits |= U_GLOWSIZE;
 807                 if (baseline->glowcolor != glowcolor)                                                                                   bits |= U_GLOWCOLOR;
 808                 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->frame & 0xFF00))                 bits |= U_FRAME2;
 809                 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->modelindex & 0xFF00))            bits |= U_MODEL2;
 810
 811                 // update delta baseline
 812                 VectorCopy(ent->v->origin, ent->deltabaseline.origin);
 813                 VectorCopy(ent->v->angles, ent->deltabaseline.angles);
 814                 ent->deltabaseline.colormap = ent->v->colormap;
 815                 ent->deltabaseline.skin = ent->v->skin;
 816                 ent->deltabaseline.frame = ent->v->frame;
 817                 ent->deltabaseline.effects = ent->v->effects;
 818                 ent->deltabaseline.modelindex = ent->v->modelindex;
 819                 ent->deltabaseline.alpha = alpha;
 820                 ent->deltabaseline.scale = scale;
 821                 ent->deltabaseline.glowsize = glowsize;
 822                 ent->deltabaseline.glowcolor = glowcolor;
 823
 824                 // write the message
 825                 if (bits >= 16777216)
 826                         bits |= U_EXTEND2;
 827                 if (bits >= 65536)
 828                         bits |= U_EXTEND1;
 829                 if (bits >= 256)
 830                         bits |= U_MOREBITS;
 831                 bits |= U_SIGNAL;
 832
 833                 MSG_WriteByte (msg, bits);
 834                 if (bits & U_MOREBITS)
 835                         MSG_WriteByte (msg, bits>>8);
 836                 // LordHavoc: extend bytes have to be written here due to delta compression
 837                 if (bits & U_EXTEND1)
 838                         MSG_WriteByte (msg, bits>>16);
 839                 if (bits & U_EXTEND2)
 840                         MSG_WriteByte (msg, bits>>24);
 841
 842                 // LordHavoc: old stuff
 843                 if (bits & U_LONGENTITY)
 844                         MSG_WriteShort (msg,e);
 845                 else
 846                         MSG_WriteByte (msg,e);
 847                 if (bits & U_MODEL)             MSG_WriteByte (msg,     ent->v->modelindex);
 848                 if (bits & U_FRAME)             MSG_WriteByte (msg, ent->v->frame);
 849                 if (bits & U_COLORMAP)  MSG_WriteByte (msg, ent->v->colormap);
 850                 if (bits & U_SKIN)              MSG_WriteByte (msg, ent->v->skin);
 851                 if (bits & U_EFFECTS)   MSG_WriteByte (msg, ent->v->effects);
 852                 if (bits & U_ORIGIN1)   MSG_WriteDPCoord (msg, origin[0]);
 853                 if (bits & U_ANGLE1)    MSG_WriteAngle(msg, angles[0]);
 854                 if (bits & U_ORIGIN2)   MSG_WriteDPCoord (msg, origin[1]);
 855                 if (bits & U_ANGLE2)    MSG_WriteAngle(msg, angles[1]);
 856                 if (bits & U_ORIGIN3)   MSG_WriteDPCoord (msg, origin[2]);
 857                 if (bits & U_ANGLE3)    MSG_WriteAngle(msg, angles[2]);
 858
 859                 // LordHavoc: new stuff
 860                 if (bits & U_ALPHA)             MSG_WriteByte(msg, alpha);
 861                 if (bits & U_SCALE)             MSG_WriteByte(msg, scale);
 862                 if (bits & U_EFFECTS2)  MSG_WriteByte(msg, (int)ent->v->effects >> 8);
 863                 if (bits & U_GLOWSIZE)  MSG_WriteByte(msg, glowsize);
 864                 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
 865                 if (bits & U_FRAME2)    MSG_WriteByte(msg, (int)ent->v->frame >> 8);
 866                 if (bits & U_MODEL2)    MSG_WriteByte(msg, (int)ent->v->modelindex >> 8);
 867         }
 868
 869         if (sv_cullentities_stats.integer)
 870                 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);
 871 }
 872 #else
 873 static entity_frame_t sv_writeentitiestoclient_entityframe;
 874 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
 875 {
 876         int e, clentnum, flags, alpha, glowcolor, glowsize, scale, effects, modelindex;
 877         int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
 878         float alphaf, lightsize;
 879         qbyte *pvs;
 880         vec3_t origin, angles, entmins, entmaxs, lightmins, lightmaxs, testorigin, testeye;
 881         edict_t *ent;
 882         eval_t *val;
 883         trace_t trace;
 884         model_t *model;
 885         entity_state_t *s;
 886
 887         if (client->sendsignon)
 888                 return;
 889
 890         Mod_CheckLoaded(sv.worldmodel);
 891
 892 // find the client's PVS
 893         // the real place being tested from
 894         VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
 895         pvs = SV_FatPVS (testeye);
 896
 897         // the place being reported (to consider the fact the client still
 898         // applies the view_ofs[2], so we have to only send the fractional part
 899         // of view_ofs[2], undoing what the client will redo)
 900         VectorCopy (testeye, testorigin);
 901         e = (int) clent->v->view_ofs[2] & 255;
 902         if (e >= 128)
 903                 e -= 256;
 904         testorigin[2] -= (float) e;
 905         EntityFrame_Clear(&sv_writeentitiestoclient_entityframe, testorigin);
 906
 907         culled_pvs = 0;
 908         culled_portal = 0;
 909         culled_trace = 0;
 910         visibleentities = 0;
 911         totalentities = 0;
 912
 913         clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 914         // send all entities that touch the pvs
 915         ent = NEXT_EDICT(sv.edicts);
 916         for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 917         {
 918                 if (ent->free)
 919                         continue;
 920                 flags = 0;
 921
 922                 if (ent != clent) // LordHavoc: always send player
 923                 {
 924                         if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
 925                         {
 926                                 if (val->edict == clentnum)
 927                                         flags |= RENDER_VIEWMODEL; // show relative to the view
 928                                 else
 929                                 {
 930                                         // don't show to anyone else
 931                                         continue;
 932                                 }
 933                         }
 934                         else
 935                         {
 936                                 // LordHavoc: never draw something told not to display to this client
 937                                 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
 938                                         continue;
 939                                 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
 940                                         continue;
 941                         }
 942                 }
 943
 944                 glowsize = 0;
 945                 effects = ent->v->effects;
 946                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
 947                         glowsize = (int) val->_float >> 2;
 948                 glowsize = bound(0, glowsize, 255);
 949
 950                 lightsize = 0;
 951                 if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 952                 {
 953                         if (effects & EF_BRIGHTFIELD)
 954                                 lightsize = max(lightsize, 80);
 955                         if (effects & EF_MUZZLEFLASH)
 956                                 lightsize = max(lightsize, 100);
 957                         if (effects & EF_BRIGHTLIGHT)
 958                                 lightsize = max(lightsize, 400);
 959                         if (effects & EF_DIMLIGHT)
 960                                 lightsize = max(lightsize, 200);
 961                         if (effects & EF_RED)
 962                                 lightsize = max(lightsize, 200);
 963                         if (effects & EF_BLUE)
 964                                 lightsize = max(lightsize, 200);
 965                         if (effects & EF_FLAME)
 966                                 lightsize = max(lightsize, 250);
 967                         if (effects & EF_STARDUST)
 968                                 lightsize = max(lightsize, 100);
 969                 }
 970                 if (glowsize)
 971                         lightsize = max(lightsize, glowsize << 2);
 972
 973                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
 974                 if (val->_float != 0)
 975                 {
 976                         flags |= RENDER_GLOWTRAIL;
 977                         lightsize = max(lightsize, 100);
 978                 }
 979
 980                 modelindex = 0;
 981                 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
 982                 {
 983                         modelindex = ent->v->modelindex;
 984                         model = sv.models[(int)ent->v->modelindex];
 985                         Mod_CheckLoaded(model);
 986                 }
 987                 else
 988                 {
 989                         model = NULL;
 990                         if (ent != clent) // LordHavoc: always send player
 991                                 if (lightsize == 0) // no effects
 992                                         continue;
 993                 }
 994
 995                 VectorCopy(ent->v->angles, angles);
 996                 if (DotProduct(ent->v->velocity, ent->v->velocity) >= 1.0f && host_client->latency >= 0.01f)
 997                 {
 998                         VectorMA(ent->v->origin, host_client->latency, ent->v->velocity, origin);
 999                         // LordHavoc: trace predicted movement to avoid putting things in walls
1000                         trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, origin, MOVE_NORMAL, ent);
1001                         VectorCopy(trace.endpos, origin);
1002                 }
1003                 else
1004                 {
1005                         VectorCopy(ent->v->origin, origin);
1006                 }
1007
1008                 // ent has survived every check so far, check if it is visible
1009                 // always send embedded brush models, they don't generate much traffic
1010                 if (ent != clent && ((flags & RENDER_VIEWMODEL) == 0) && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
1011                 {
1012                         // use the predicted origin
1013                         entmins[0] = origin[0] - 1.0f;
1014                         entmins[1] = origin[1] - 1.0f;
1015                         entmins[2] = origin[2] - 1.0f;
1016                         entmaxs[0] = origin[0] + 1.0f;
1017                         entmaxs[1] = origin[1] + 1.0f;
1018                         entmaxs[2] = origin[2] + 1.0f;
1019                         // using the model's bounding box to ensure things are visible regardless of their physics box
1020                         if (model)
1021                         {
1022                                 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
1023                                 {
1024                                         VectorAdd(entmins, model->rotatedmins, entmins);
1025                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
1026                                 }
1027                                 else if (ent->v->angles[1])
1028                                 {
1029                                         VectorAdd(entmins, model->yawmins, entmins);
1030                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
1031                                 }
1032                                 else
1033                                 {
1034                                         VectorAdd(entmins, model->normalmins, entmins);
1035                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
1036                                 }
1037                         }
1038                         lightmins[0] = min(entmins[0], origin[0] - lightsize);
1039                         lightmins[1] = min(entmins[1], origin[1] - lightsize);
1040                         lightmins[2] = min(entmins[2], origin[2] - lightsize);
1041                         lightmaxs[0] = min(entmaxs[0], origin[0] + lightsize);
1042                         lightmaxs[1] = min(entmaxs[1], origin[1] + lightsize);
1043                         lightmaxs[2] = min(entmaxs[2], origin[2] + lightsize);
1044
1045                         totalentities++;
1046
1047                         // if not touching a visible leaf
1048                         if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, lightmins, lightmaxs, sv.worldmodel->nodes))
1049                         {
1050                                 culled_pvs++;
1051                                 continue;
1052                         }
1053
1054                         // or not visible through the portals
1055                         if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, lightmins, lightmaxs))
1056                         {
1057                                 culled_portal++;
1058                                 continue;
1059                         }
1060
1061                         if (sv_cullentities_trace.integer)
1062                         {
1063                                 // LordHavoc: test center first
1064                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
1065                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
1066                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
1067                                 Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1068                                 if (trace.fraction == 1)
1069                                         client->visibletime[e] = realtime + 1;
1070                                 else
1071                                 {
1072                                         // LordHavoc: test random offsets, to maximize chance of detection
1073                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
1074                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
1075                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
1076                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1077                                         if (trace.fraction == 1)
1078                                                 client->visibletime[e] = realtime + 1;
1079                                         else
1080                                         {
1081                                                 if (lightsize)
1082                                                 {
1083                                                         // LordHavoc: test random offsets, to maximize chance of detection
1084                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
1085                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
1086                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
1087                                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1088                                                         if (trace.fraction == 1)
1089                                                                 client->visibletime[e] = realtime + 1;
1090                                                         else
1091                                                         {
1092                                                                 if (realtime > client->visibletime[e])
1093                                                                 {
1094                                                                         culled_trace++;
1095                                                                         continue;
1096                                                                 }
1097                                                         }
1098                                                 }
1099                                                 else
1100                                                 {
1101                                                         if (realtime > client->visibletime[e])
1102                                                         {
1103                                                                 culled_trace++;
1104                                                                 continue;
1105                                                         }
1106                                                 }
1107                                         }
1108                                 }
1109                         }
1110                         visibleentities++;
1111                 }
1112
1113                 alphaf = 255.0f;
1114                 scale = 16;
1115                 glowcolor = 254;
1116                 effects = ent->v->effects;
1117
1118                 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
1119                 if (val->_float != 0)
1120                         alphaf = val->_float * 255.0;
1121
1122                 // HalfLife support
1123                 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
1124                 if (val->_float != 0)
1125                         alphaf = val->_float;
1126
1127                 if (alphaf == 0.0f)
1128                         alphaf = 255.0f;
1129                 alpha = bound(0, alphaf, 255);
1130
1131                 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
1132                 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
1133                 if (scale < 0) scale = 0;
1134                 if (scale > 255) scale = 255;
1135
1136                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
1137                 if (val->_float != 0)
1138                         glowcolor = (int) val->_float;
1139
1140                 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
1141                 if (val->_float != 0)
1142                         effects |= EF_FULLBRIGHT;
1143
1144                 if (ent != clent)
1145                 {
1146                         if (lightsize == 0) // no effects
1147                         {
1148                                 if (model) // model
1149                                 {
1150                                         // don't send if flagged for NODRAW and there are no effects
1151                                         if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
1152                                                 continue;
1153                                 }
1154                                 else // no model and no effects
1155                                         continue;
1156                         }
1157                 }
1158
1159                 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
1160                         flags |= RENDER_EXTERIORMODEL;
1161
1162                 if (ent->v->movetype == MOVETYPE_STEP)
1163                         flags |= RENDER_STEP;
1164                 // don't send an entity if it's coordinates would wrap around
1165                 if ((effects & EF_LOWPRECISION) && origin[0] >= -32768 && origin[1] >= -32768 && origin[2] >= -32768 && origin[0] <= 32767 && origin[1] <= 32767 && origin[2] <= 32767)
1166                         flags |= RENDER_LOWPRECISION;
1167
1168                 s = EntityFrame_NewEntity(&sv_writeentitiestoclient_entityframe, e);
1169                 // if we run out of space, abort
1170                 if (!s)
1171                         break;
1172                 VectorCopy(origin, s->origin);
1173                 VectorCopy(angles, s->angles);
1174                 if (ent->v->colormap >= 1024)
1175                         flags |= RENDER_COLORMAPPED;
1176                 s->colormap = ent->v->colormap;
1177                 s->skin = ent->v->skin;
1178                 s->frame = ent->v->frame;
1179                 s->modelindex = modelindex;
1180                 s->effects = effects;
1181                 s->alpha = alpha;
1182                 s->scale = scale;
1183                 s->glowsize = glowsize;
1184                 s->glowcolor = glowcolor;
1185                 s->flags = flags;
1186         }
1187         sv_writeentitiestoclient_entityframe.framenum = ++client->entityframenumber;
1188         EntityFrame_Write(&client->entitydatabase, &sv_writeentitiestoclient_entityframe, msg);
1189
1190         if (sv_cullentities_stats.integer)
1191                 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);
1192 }
1193 #endif
1194
1195 /*
1196 =============
1197 SV_CleanupEnts
1198
1199 =============
1200 */
1201 void SV_CleanupEnts (void)
1202 {
1203         int             e;
1204         edict_t *ent;
1205
1206         ent = NEXT_EDICT(sv.edicts);
1207         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
1208                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
1209 }
1210
1211 /*
1212 ==================
1213 SV_WriteClientdataToMessage
1214
1215 ==================
1216 */
1217 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
1218 {
1219         int             bits;
1220         int             i;
1221         edict_t *other;
1222         int             items;
1223         eval_t  *val;
1224         vec3_t  punchvector;
1225         qbyte   viewzoom;
1226
1227 //
1228 // send a damage message
1229 //
1230         if (ent->v->dmg_take || ent->v->dmg_save)
1231         {
1232                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
1233                 MSG_WriteByte (msg, svc_damage);
1234                 MSG_WriteByte (msg, ent->v->dmg_save);
1235                 MSG_WriteByte (msg, ent->v->dmg_take);
1236                 for (i=0 ; i<3 ; i++)
1237                         MSG_WriteDPCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]));
1238
1239                 ent->v->dmg_take = 0;
1240                 ent->v->dmg_save = 0;
1241         }
1242
1243 //
1244 // send the current viewpos offset from the view entity
1245 //
1246         SV_SetIdealPitch ();            // how much to look up / down ideally
1247
1248 // a fixangle might get lost in a dropped packet.  Oh well.
1249         if ( ent->v->fixangle )
1250         {
1251                 MSG_WriteByte (msg, svc_setangle);
1252                 for (i=0 ; i < 3 ; i++)
1253                         MSG_WriteAngle (msg, ent->v->angles[i] );
1254                 ent->v->fixangle = 0;
1255         }
1256
1257         bits = 0;
1258
1259         if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
1260                 bits |= SU_VIEWHEIGHT;
1261
1262         if (ent->v->idealpitch)
1263                 bits |= SU_IDEALPITCH;
1264
1265 // stuff the sigil bits into the high bits of items for sbar, or else
1266 // mix in items2
1267         val = GETEDICTFIELDVALUE(ent, eval_items2);
1268
1269         if (val)
1270                 items = (int)ent->v->items | ((int)val->_float << 23);
1271         else
1272                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
1273
1274         bits |= SU_ITEMS;
1275
1276         if ( (int)ent->v->flags & FL_ONGROUND)
1277                 bits |= SU_ONGROUND;
1278
1279         if ( ent->v->waterlevel >= 2)
1280                 bits |= SU_INWATER;
1281
1282         // dpprotocol
1283         VectorClear(punchvector);
1284         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
1285                 VectorCopy(val->vector, punchvector);
1286
1287         i = 255;
1288         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1289         {
1290                 i = val->_float * 255.0f;
1291                 if (i == 0)
1292                         i = 255;
1293                 else
1294                         i = bound(0, i, 255);
1295         }
1296         viewzoom = i;
1297
1298         if (viewzoom != 255)
1299                 bits |= SU_VIEWZOOM;
1300
1301         for (i=0 ; i<3 ; i++)
1302         {
1303                 if (ent->v->punchangle[i])
1304                         bits |= (SU_PUNCH1<<i);
1305                 if (punchvector[i]) // dpprotocol
1306                         bits |= (SU_PUNCHVEC1<<i); // dpprotocol
1307                 if (ent->v->velocity[i])
1308                         bits |= (SU_VELOCITY1<<i);
1309         }
1310
1311         if (ent->v->weaponframe)
1312                 bits |= SU_WEAPONFRAME;
1313
1314         if (ent->v->armorvalue)
1315                 bits |= SU_ARMOR;
1316
1317         bits |= SU_WEAPON;
1318
1319         if (bits >= 65536)
1320                 bits |= SU_EXTEND1;
1321         if (bits >= 16777216)
1322                 bits |= SU_EXTEND2;
1323
1324 // send the data
1325
1326         MSG_WriteByte (msg, svc_clientdata);
1327         MSG_WriteShort (msg, bits);
1328         if (bits & SU_EXTEND1)
1329                 MSG_WriteByte(msg, bits >> 16);
1330         if (bits & SU_EXTEND2)
1331                 MSG_WriteByte(msg, bits >> 24);
1332
1333         if (bits & SU_VIEWHEIGHT)
1334                 MSG_WriteChar (msg, ent->v->view_ofs[2]);
1335
1336         if (bits & SU_IDEALPITCH)
1337                 MSG_WriteChar (msg, ent->v->idealpitch);
1338
1339         for (i=0 ; i<3 ; i++)
1340         {
1341                 if (bits & (SU_PUNCH1<<i))
1342                         MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // dpprotocol
1343                 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
1344                         MSG_WriteDPCoord(msg, punchvector[i]); // dpprotocol
1345                 if (bits & (SU_VELOCITY1<<i))
1346                         MSG_WriteChar (msg, ent->v->velocity[i]/16);
1347         }
1348
1349 // [always sent]        if (bits & SU_ITEMS)
1350         MSG_WriteLong (msg, items);
1351
1352         if (bits & SU_WEAPONFRAME)
1353                 MSG_WriteByte (msg, ent->v->weaponframe);
1354         if (bits & SU_ARMOR)
1355                 MSG_WriteByte (msg, ent->v->armorvalue);
1356         if (bits & SU_WEAPON)
1357                 MSG_WriteByte (msg, SV_ModelIndex(PR_GetString(ent->v->weaponmodel)));
1358
1359         MSG_WriteShort (msg, ent->v->health);
1360         MSG_WriteByte (msg, ent->v->currentammo);
1361         MSG_WriteByte (msg, ent->v->ammo_shells);
1362         MSG_WriteByte (msg, ent->v->ammo_nails);
1363         MSG_WriteByte (msg, ent->v->ammo_rockets);
1364         MSG_WriteByte (msg, ent->v->ammo_cells);
1365
1366         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1367         {
1368                 for(i=0;i<32;i++)
1369                 {
1370                         if ( ((int)ent->v->weapon) & (1<<i) )
1371                         {
1372                                 MSG_WriteByte (msg, i);
1373                                 break;
1374                         }
1375                 }
1376         }
1377         else
1378         {
1379                 MSG_WriteByte (msg, ent->v->weapon);
1380         }
1381
1382         if (bits & SU_VIEWZOOM)
1383                 MSG_WriteByte (msg, viewzoom);
1384 }
1385
1386 /*
1387 =======================
1388 SV_SendClientDatagram
1389 =======================
1390 */
1391 static qbyte sv_sendclientdatagram_buf[MAX_DATAGRAM]; // FIXME?
1392 qboolean SV_SendClientDatagram (client_t *client)
1393 {
1394         sizebuf_t       msg;
1395
1396         msg.data = sv_sendclientdatagram_buf;
1397         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1398         msg.cursize = 0;
1399
1400         MSG_WriteByte (&msg, svc_time);
1401         MSG_WriteFloat (&msg, sv.time);
1402
1403         if (client->spawned)
1404         {
1405                 // add the client specific data to the datagram
1406                 SV_WriteClientdataToMessage (client->edict, &msg);
1407
1408                 SV_WriteEntitiesToClient (client, client->edict, &msg);
1409
1410                 // copy the server datagram if there is space
1411                 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
1412                         SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1413         }
1414
1415 // send the datagram
1416         if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1417         {
1418                 SV_DropClient (true);// if the message couldn't send, kick off
1419                 return false;
1420         }
1421
1422         return true;
1423 }
1424
1425 /*
1426 =======================
1427 SV_UpdateToReliableMessages
1428 =======================
1429 */
1430 void SV_UpdateToReliableMessages (void)
1431 {
1432         int                     i, j;
1433         client_t *client;
1434
1435 // check for changes to be sent over the reliable streams
1436         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1437         {
1438                 if (host_client->old_frags != host_client->edict->v->frags)
1439                 {
1440                         for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1441                         {
1442                                 if (!client->active || !client->spawned)
1443                                         continue;
1444                                 MSG_WriteByte (&client->message, svc_updatefrags);
1445                                 MSG_WriteByte (&client->message, i);
1446                                 MSG_WriteShort (&client->message, host_client->edict->v->frags);
1447                         }
1448
1449                         host_client->old_frags = host_client->edict->v->frags;
1450                 }
1451         }
1452
1453         for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1454         {
1455                 if (!client->active)
1456                         continue;
1457                 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1458         }
1459
1460         SZ_Clear (&sv.reliable_datagram);
1461 }
1462
1463
1464 /*
1465 =======================
1466 SV_SendNop
1467
1468 Send a nop message without trashing or sending the accumulated client
1469 message buffer
1470 =======================
1471 */
1472 void SV_SendNop (client_t *client)
1473 {
1474         sizebuf_t       msg;
1475         qbyte           buf[4];
1476
1477         msg.data = buf;
1478         msg.maxsize = sizeof(buf);
1479         msg.cursize = 0;
1480
1481         MSG_WriteChar (&msg, svc_nop);
1482
1483         if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1484                 SV_DropClient (true);   // if the message couldn't send, kick off
1485         client->last_message = realtime;
1486 }
1487
1488 /*
1489 =======================
1490 SV_SendClientMessages
1491 =======================
1492 */
1493 void SV_SendClientMessages (void)
1494 {
1495         int                     i;
1496
1497 // update frags, names, etc
1498         SV_UpdateToReliableMessages ();
1499
1500 // build individual updates
1501         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1502         {
1503                 if (!host_client->active)
1504                         continue;
1505
1506 #ifndef NOROUTINGFIX
1507                 if (host_client->sendserverinfo)
1508                 {
1509                         host_client->sendserverinfo = false;
1510                         SV_SendServerinfo (host_client);
1511                 }
1512 #endif
1513
1514                 if (host_client->spawned)
1515                 {
1516                         if (!SV_SendClientDatagram (host_client))
1517                                 continue;
1518                 }
1519                 else
1520                 {
1521                 // the player isn't totally in the game yet
1522                 // send small keepalive messages if too much time has passed
1523                 // send a full message when the next signon stage has been requested
1524                 // some other message data (name changes, etc) may accumulate
1525                 // between signon stages
1526                         if (!host_client->sendsignon)
1527                         {
1528                                 if (realtime - host_client->last_message > 5)
1529                                         SV_SendNop (host_client);
1530                                 continue;       // don't send out non-signon messages
1531                         }
1532                 }
1533
1534                 // check for an overflowed message.  Should only happen
1535                 // on a very fucked up connection that backs up a lot, then
1536                 // changes level
1537                 if (host_client->message.overflowed)
1538                 {
1539                         SV_DropClient (true); // overflowed
1540                         host_client->message.overflowed = false;
1541                         continue;
1542                 }
1543
1544                 if (host_client->message.cursize || host_client->dropasap)
1545                 {
1546                         if (!NET_CanSendMessage (host_client->netconnection))
1547                                 continue;
1548
1549                         if (host_client->dropasap)
1550                                 SV_DropClient (false);  // went to another level
1551                         else
1552                         {
1553                                 if (NET_SendMessage (host_client->netconnection, &host_client->message) == -1)
1554                                         SV_DropClient (true);   // if the message couldn't send, kick off
1555                                 SZ_Clear (&host_client->message);
1556                                 host_client->last_message = realtime;
1557                                 host_client->sendsignon = false;
1558                         }
1559                 }
1560         }
1561
1562
1563 // clear muzzle flashes
1564         SV_CleanupEnts ();
1565 }
1566
1567
1568 /*
1569 ==============================================================================
1570
1571 SERVER SPAWNING
1572
1573 ==============================================================================
1574 */
1575
1576 /*
1577 ================
1578 SV_ModelIndex
1579
1580 ================
1581 */
1582 int SV_ModelIndex (const char *name)
1583 {
1584         int i;
1585
1586         if (!name || !name[0])
1587                 return 0;
1588
1589         for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1590                 if (!strcmp(sv.model_precache[i], name))
1591                         return i;
1592         if (i==MAX_MODELS || !sv.model_precache[i])
1593                 Host_Error ("SV_ModelIndex: model %s not precached", name);
1594         return i;
1595 }
1596
1597 #ifdef SV_QUAKEENTITIES
1598 /*
1599 ================
1600 SV_CreateBaseline
1601
1602 ================
1603 */
1604 void SV_CreateBaseline (void)
1605 {
1606         int i, entnum, large;
1607         edict_t *svent;
1608
1609         // LordHavoc: clear *all* states (note just active ones)
1610         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1611         {
1612                 // get the current server version
1613                 svent = EDICT_NUM(entnum);
1614
1615                 // LordHavoc: always clear state values, whether the entity is in use or not
1616                 ClearStateToDefault(&svent->baseline);
1617
1618                 if (svent->free)
1619                         continue;
1620                 if (entnum > svs.maxclients && !svent->v->modelindex)
1621                         continue;
1622
1623                 // create entity baseline
1624                 VectorCopy (svent->v->origin, svent->baseline.origin);
1625                 VectorCopy (svent->v->angles, svent->baseline.angles);
1626                 svent->baseline.frame = svent->v->frame;
1627                 svent->baseline.skin = svent->v->skin;
1628                 if (entnum > 0 && entnum <= svs.maxclients)
1629                 {
1630                         svent->baseline.colormap = entnum;
1631                         svent->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1632                 }
1633                 else
1634                 {
1635                         svent->baseline.colormap = 0;
1636                         svent->baseline.modelindex = svent->v->modelindex;
1637                 }
1638
1639                 large = false;
1640                 if (svent->baseline.modelindex & 0xFF00 || svent->baseline.frame & 0xFF00)
1641                         large = true;
1642
1643                 // add to the message
1644                 if (large)
1645                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1646                 else
1647                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1648                 MSG_WriteShort (&sv.signon, entnum);
1649
1650                 if (large)
1651                 {
1652                         MSG_WriteShort (&sv.signon, svent->baseline.modelindex);
1653                         MSG_WriteShort (&sv.signon, svent->baseline.frame);
1654                 }
1655                 else
1656                 {
1657                         MSG_WriteByte (&sv.signon, svent->baseline.modelindex);
1658                         MSG_WriteByte (&sv.signon, svent->baseline.frame);
1659                 }
1660                 MSG_WriteByte (&sv.signon, svent->baseline.colormap);
1661                 MSG_WriteByte (&sv.signon, svent->baseline.skin);
1662                 for (i=0 ; i<3 ; i++)
1663                 {
1664                         MSG_WriteDPCoord(&sv.signon, svent->baseline.origin[i]);
1665                         MSG_WriteAngle(&sv.signon, svent->baseline.angles[i]);
1666                 }
1667         }
1668 }
1669 #endif
1670
1671
1672 /*
1673 ================
1674 SV_SendReconnect
1675
1676 Tell all the clients that the server is changing levels
1677 ================
1678 */
1679 void SV_SendReconnect (void)
1680 {
1681         char    data[128];
1682         sizebuf_t       msg;
1683
1684         msg.data = data;
1685         msg.cursize = 0;
1686         msg.maxsize = sizeof(data);
1687
1688         MSG_WriteChar (&msg, svc_stufftext);
1689         MSG_WriteString (&msg, "reconnect\n");
1690         NET_SendToAll (&msg, 5);
1691
1692         if (cls.state != ca_dedicated)
1693                 Cmd_ExecuteString ("reconnect\n", src_command);
1694 }
1695
1696
1697 /*
1698 ================
1699 SV_SaveSpawnparms
1700
1701 Grabs the current state of each client for saving across the
1702 transition to another level
1703 ================
1704 */
1705 void SV_SaveSpawnparms (void)
1706 {
1707         int             i, j;
1708
1709         svs.serverflags = pr_global_struct->serverflags;
1710
1711         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1712         {
1713                 if (!host_client->active)
1714                         continue;
1715
1716         // call the progs to get default spawn parms for the new client
1717                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1718                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1719                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1720                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1721         }
1722 }
1723
1724 /*
1725 ================
1726 SV_SpawnServer
1727
1728 This is called at the start of each level
1729 ================
1730 */
1731 extern float            scr_centertime_off;
1732
1733 void SV_SpawnServer (const char *server)
1734 {
1735         edict_t *ent;
1736         int i;
1737         qbyte *entities;
1738
1739         // let's not have any servers with no name
1740         if (hostname.string[0] == 0)
1741                 Cvar_Set ("hostname", "UNNAMED");
1742         scr_centertime_off = 0;
1743
1744         Con_DPrintf ("SpawnServer: %s\n",server);
1745         svs.changelevel_issued = false;         // now safe to issue another
1746
1747 //
1748 // tell all connected clients that we are going to a new level
1749 //
1750         if (sv.active)
1751                 SV_SendReconnect ();
1752
1753 //
1754 // make cvars consistant
1755 //
1756         if (coop.integer)
1757                 Cvar_SetValue ("deathmatch", 0);
1758         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1759
1760         Cvar_SetValue ("skill", (float)current_skill);
1761
1762 //
1763 // set up the new server
1764 //
1765         Host_ClearMemory ();
1766
1767         memset (&sv, 0, sizeof(sv));
1768
1769         strcpy (sv.name, server);
1770
1771 // load progs to get entity field count
1772         PR_LoadProgs ();
1773
1774 // allocate server memory
1775         sv.max_edicts = MAX_EDICTS;
1776
1777         // clear the edict memory pool
1778         Mem_EmptyPool(sv_edicts_mempool);
1779         // edict_t structures (hidden from progs)
1780         sv.edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t));
1781         // progs fields, often accessed by server
1782         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1783         // table of edict pointers, for quicker lookup of edicts
1784         sv.edictstable = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1785         // used by PushMove to move back pushed entities
1786         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1787         for (i = 0;i < sv.max_edicts;i++)
1788         {
1789                 ent = sv.edicts + i;
1790                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1791                 sv.edictstable[i] = ent;
1792         }
1793
1794         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1795         sv.datagram.cursize = 0;
1796         sv.datagram.data = sv.datagram_buf;
1797
1798         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1799         sv.reliable_datagram.cursize = 0;
1800         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1801
1802         sv.signon.maxsize = sizeof(sv.signon_buf);
1803         sv.signon.cursize = 0;
1804         sv.signon.data = sv.signon_buf;
1805
1806 // leave slots at start for clients only
1807         sv.num_edicts = svs.maxclients+1;
1808         for (i=0 ; i<svs.maxclients ; i++)
1809         {
1810                 ent = EDICT_NUM(i+1);
1811                 svs.clients[i].edict = ent;
1812         }
1813
1814         sv.state = ss_loading;
1815         sv.paused = false;
1816
1817         sv.time = 1.0;
1818
1819         Mod_ClearUsed();
1820
1821         strcpy (sv.name, server);
1822         sprintf (sv.modelname,"maps/%s.bsp", server);
1823         sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
1824         if (!sv.worldmodel)
1825         {
1826                 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1827                 sv.active = false;
1828                 return;
1829         }
1830         sv.models[1] = sv.worldmodel;
1831
1832 //
1833 // clear world interaction links
1834 //
1835         SV_ClearWorld ();
1836
1837         sv.sound_precache[0] = "";
1838
1839         sv.model_precache[0] = "";
1840         sv.model_precache[1] = sv.modelname;
1841         for (i = 1;i < sv.worldmodel->numsubmodels;i++)
1842         {
1843                 sv.model_precache[i+1] = localmodels[i];
1844                 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1845         }
1846
1847 //
1848 // load the rest of the entities
1849 //
1850         ent = EDICT_NUM(0);
1851         memset (ent->v, 0, progs->entityfields * 4);
1852         ent->free = false;
1853         ent->v->model = PR_SetString(sv.modelname);
1854         ent->v->modelindex = 1;         // world model
1855         ent->v->solid = SOLID_BSP;
1856         ent->v->movetype = MOVETYPE_PUSH;
1857
1858         if (coop.integer)
1859                 pr_global_struct->coop = coop.integer;
1860         else
1861                 pr_global_struct->deathmatch = deathmatch.integer;
1862
1863         pr_global_struct->mapname = PR_SetString(sv.name);
1864
1865 // serverflags are for cross level information (sigils)
1866         pr_global_struct->serverflags = svs.serverflags;
1867
1868         // load replacement entity file if found
1869         entities = NULL;
1870         if (sv_entpatch.integer)
1871                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), true);
1872         if (entities)
1873         {
1874                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1875                 ED_LoadFromFile (entities);
1876                 Mem_Free(entities);
1877         }
1878         else
1879                 ED_LoadFromFile (sv.worldmodel->entities);
1880
1881
1882         // LordHavoc: clear world angles (to fix e3m3.bsp)
1883         VectorClear(sv.edicts->v->angles);
1884
1885         sv.active = true;
1886
1887 // all setup is completed, any further precache statements are errors
1888         sv.state = ss_active;
1889
1890 // run two frames to allow everything to settle
1891         sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1892         SV_Physics ();
1893         sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1894         SV_Physics ();
1895
1896         Mod_PurgeUnused();
1897
1898 #ifdef QUAKEENTITIES
1899 // create a baseline for more efficient communications
1900         SV_CreateBaseline ();
1901 #endif
1902
1903 // send serverinfo to all connected clients
1904         for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1905                 if (host_client->active)
1906                         SV_SendServerinfo (host_client);
1907
1908         Con_DPrintf ("Server spawned.\n");
1909         NET_Heartbeat (2);
1910 }
1911