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