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 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[128];
 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         MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
 272
 273         for (s = sv.model_precache+1 ; *s ; s++)
 274                 MSG_WriteString (&client->message, *s);
 275         MSG_WriteByte (&client->message, 0);
 276
 277         for (s = sv.sound_precache+1 ; *s ; s++)
 278                 MSG_WriteString (&client->message, *s);
 279         MSG_WriteByte (&client->message, 0);
 280
 281 // send music
 282         MSG_WriteByte (&client->message, svc_cdtrack);
 283         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 284         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 285
 286 // set view
 287         MSG_WriteByte (&client->message, svc_setview);
 288         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
 289
 290         MSG_WriteByte (&client->message, svc_signonnum);
 291         MSG_WriteByte (&client->message, 1);
 292
 293         client->sendsignon = true;
 294         client->spawned = false;                // need prespawn, spawn, etc
 295 }
 296
 297 /*
 298 ================
 299 SV_ConnectClient
 300
 301 Initializes a client_t for a new net connection.  This will only be called
 302 once for a player each game, not once for each level change.
 303 ================
 304 */
 305 void SV_ConnectClient (int clientnum)
 306 {
 307         client_t                *client;
 308         struct qsocket_s *netconnection;
 309         int                             i;
 310         float                   spawn_parms[NUM_SPAWN_PARMS];
 311
 312         client = svs.clients + clientnum;
 313
 314         Con_DPrintf ("Client %s connected\n", client->netconnection->address);
 315
 316 // set up the client_t
 317         netconnection = client->netconnection;
 318
 319         if (sv.loadgame)
 320                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 321         memset (client, 0, sizeof(*client));
 322         client->netconnection = netconnection;
 323
 324         strcpy (client->name, "unconnected");
 325         client->active = true;
 326         client->spawned = false;
 327         client->edict = EDICT_NUM(clientnum+1);
 328         client->message.data = client->msgbuf;
 329         client->message.maxsize = sizeof(client->msgbuf);
 330         client->message.allowoverflow = true;           // we can catch it
 331
 332         if (sv.loadgame)
 333                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 334         else
 335         {
 336         // call the progs to get default spawn parms for the new client
 337                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
 338                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 339                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
 340         }
 341
 342         SV_SendServerinfo (client);
 343 }
 344
 345
 346 /*
 347 ===================
 348 SV_CheckForNewClients
 349
 350 ===================
 351 */
 352 void SV_CheckForNewClients (void)
 353 {
 354         struct qsocket_s        *ret;
 355         int                             i;
 356
 357 //
 358 // check for new connections
 359 //
 360         while (1)
 361         {
 362                 ret = NET_CheckNewConnections ();
 363                 if (!ret)
 364                         break;
 365
 366         //
 367         // init a new client structure
 368         //
 369                 for (i=0 ; i<svs.maxclients ; i++)
 370                         if (!svs.clients[i].active)
 371                                 break;
 372                 if (i == svs.maxclients)
 373                         Sys_Error ("Host_CheckForNewClients: no free clients");
 374
 375                 svs.clients[i].netconnection = ret;
 376                 SV_ConnectClient (i);
 377
 378                 net_activeconnections++;
 379                 NET_Heartbeat (1);
 380         }
 381 }
 382
 383
 384
 385 /*
 386 ===============================================================================
 387
 388 FRAME UPDATES
 389
 390 ===============================================================================
 391 */
 392
 393 /*
 394 ==================
 395 SV_ClearDatagram
 396
 397 ==================
 398 */
 399 void SV_ClearDatagram (void)
 400 {
 401         SZ_Clear (&sv.datagram);
 402 }
 403
 404 /*
 405 =============================================================================
 406
 407 The PVS must include a small area around the client to allow head bobbing
 408 or other small motion on the client side.  Otherwise, a bob might cause an
 409 entity that should be visible to not show up, especially when the bob
 410 crosses a waterline.
 411
 412 =============================================================================
 413 */
 414
 415 int             fatbytes;
 416 qbyte   fatpvs[MAX_MAP_LEAFS/8];
 417
 418 void SV_AddToFatPVS (vec3_t org, mnode_t *node)
 419 {
 420         int             i;
 421         qbyte   *pvs;
 422         mplane_t        *plane;
 423         float   d;
 424
 425         while (1)
 426         {
 427         // if this is a leaf, accumulate the pvs bits
 428                 if (node->contents < 0)
 429                 {
 430                         if (node->contents != CONTENTS_SOLID)
 431                         {
 432                                 pvs = Mod_LeafPVS ( (mleaf_t *)node, sv.worldmodel);
 433                                 for (i=0 ; i<fatbytes ; i++)
 434                                         fatpvs[i] |= pvs[i];
 435                         }
 436                         return;
 437                 }
 438
 439                 plane = node->plane;
 440                 d = DotProduct (org, plane->normal) - plane->dist;
 441                 if (d > 8)
 442                         node = node->children[0];
 443                 else if (d < -8)
 444                         node = node->children[1];
 445                 else
 446                 {       // go down both
 447                         SV_AddToFatPVS (org, node->children[0]);
 448                         node = node->children[1];
 449                 }
 450         }
 451 }
 452
 453 /*
 454 =============
 455 SV_FatPVS
 456
 457 Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the
 458 given point.
 459 =============
 460 */
 461 qbyte *SV_FatPVS (vec3_t org)
 462 {
 463         fatbytes = (sv.worldmodel->numleafs+31)>>3;
 464         memset (fatpvs, 0, fatbytes);
 465         SV_AddToFatPVS (org, sv.worldmodel->nodes);
 466         return fatpvs;
 467 }
 468
 469 //=============================================================================
 470
 471
 472 int SV_BoxTouchingPVS (qbyte *pvs, vec3_t mins, vec3_t maxs, mnode_t *node)
 473 {
 474         int leafnum;
 475 loc0:
 476         if (node->contents < 0)
 477         {
 478                 // leaf
 479                 if (node->contents == CONTENTS_SOLID)
 480                         return false;
 481                 leafnum = (mleaf_t *)node - sv.worldmodel->leafs - 1;
 482                 return pvs[leafnum >> 3] & (1 << (leafnum & 7));
 483         }
 484
 485         // node - recurse down the BSP tree
 486         switch (BoxOnPlaneSide(mins, maxs, node->plane))
 487         {
 488         case 1: // front
 489                 node = node->children[0];
 490                 goto loc0;
 491         case 2: // back
 492                 node = node->children[1];
 493                 goto loc0;
 494         default: // crossing
 495                 if (node->children[0]->contents != CONTENTS_SOLID)
 496                         if (SV_BoxTouchingPVS (pvs, mins, maxs, node->children[0]))
 497                                 return true;
 498                 node = node->children[1];
 499                 goto loc0;
 500         }
 501         // never reached
 502         return false;
 503 }
 504
 505
 506 /*
 507 =============
 508 SV_WriteEntitiesToClient
 509
 510 =============
 511 */
 512 #ifdef QUAKEENTITIES
 513 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
 514 {
 515         int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects, lightsize;
 516         int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
 517         qbyte *pvs;
 518         vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
 519         float nextfullupdate, alphaf;
 520         edict_t *ent;
 521         eval_t *val;
 522         entity_state_t *baseline; // LordHavoc: delta or startup baseline
 523         trace_t trace;
 524         model_t *model;
 525
 526         Mod_CheckLoaded(sv.worldmodel);
 527
 528 // find the client's PVS
 529         VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
 530         pvs = SV_FatPVS (testeye);
 531
 532         culled_pvs = 0;
 533         culled_portal = 0;
 534         culled_trace = 0;
 535         visibleentities = 0;
 536         totalentities = 0;
 537
 538         clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 539         // send all entities that touch the pvs
 540         ent = NEXT_EDICT(sv.edicts);
 541         for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 542         {
 543                 bits = 0;
 544
 545                 // prevent delta compression against this frame (unless actually sent, which will restore this later)
 546                 nextfullupdate = client->nextfullupdate[e];
 547                 client->nextfullupdate[e] = -1;
 548
 549                 if (ent != clent) // LordHavoc: always send player
 550                 {
 551                         if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
 552                         {
 553                                 if (val->edict != clentnum)
 554                                 {
 555                                         // don't show to anyone else
 556                                         continue;
 557                                 }
 558                                 else
 559                                         bits |= U_VIEWMODEL; // show relative to the view
 560                         }
 561                         else
 562                         {
 563                                 // LordHavoc: never draw something told not to display to this client
 564                                 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
 565                                         continue;
 566                                 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
 567                                         continue;
 568                         }
 569                 }
 570
 571                 glowsize = 0;
 572
 573                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
 574                         glowsize = (int) val->_float >> 2;
 575                 if (glowsize > 255) glowsize = 255;
 576                 if (glowsize < 0) glowsize = 0;
 577
 578                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
 579                 if (val->_float != 0)
 580                         bits |= U_GLOWTRAIL;
 581
 582                 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
 583                 {
 584                         model = sv.models[(int)ent->v->modelindex];
 585                         Mod_CheckLoaded(model);
 586                 }
 587                 else
 588                 {
 589                         model = NULL;
 590                         if (ent != clent) // LordHavoc: always send player
 591                                 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
 592                                         continue;
 593                 }
 594
 595                 VectorCopy(ent->v->angles, angles);
 596                 if (DotProduct(ent->v->velocity, ent->v->velocity) >= 1.0f)
 597                 {
 598                         VectorMA(ent->v->origin, host_client->latency, ent->v->velocity, origin);
 599                         // LordHavoc: trace predicted movement to avoid putting things in walls
 600                         trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, origin, MOVE_NORMAL, ent);
 601                         VectorCopy(trace.endpos, origin);
 602                 }
 603                 else
 604                 {
 605                         VectorCopy(ent->v->origin, origin);
 606                 }
 607
 608                 // ent has survived every check so far, check if it is visible
 609                 if (ent != clent && ((bits & U_VIEWMODEL) == 0))
 610                 {
 611                         // use the predicted origin
 612                         entmins[0] = origin[0] - 1.0f;
 613                         entmins[1] = origin[1] - 1.0f;
 614                         entmins[2] = origin[2] - 1.0f;
 615                         entmaxs[0] = origin[0] + 1.0f;
 616                         entmaxs[1] = origin[1] + 1.0f;
 617                         entmaxs[2] = origin[2] + 1.0f;
 618                         // using the model's bounding box to ensure things are visible regardless of their physics box
 619                         if (model)
 620                         {
 621                                 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
 622                                 {
 623                                         VectorAdd(entmins, model->rotatedmins, entmins);
 624                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 625                                 }
 626                                 else if (ent->v->angles[1])
 627                                 {
 628                                         VectorAdd(entmins, model->yawmins, entmins);
 629                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 630                                 }
 631                                 else
 632                                 {
 633                                         VectorAdd(entmins, model->normalmins, entmins);
 634                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 635                                 }
 636                         }
 637
 638                         totalentities++;
 639
 640                         // if not touching a visible leaf
 641                         if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->nodes))
 642                         {
 643                                 culled_pvs++;
 644                                 continue;
 645                         }
 646
 647                         // or not visible through the portals
 648                         if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, entmins, entmaxs))
 649                         {
 650                                 culled_portal++;
 651                                 continue;
 652                         }
 653
 654                         // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms)
 655                         if (sv_cullentities_trace.integer && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
 656                         {
 657                                 // LordHavoc: test random offsets, to maximize chance of detection
 658                                 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 659                                 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 660                                 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 661
 662                                 Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
 663
 664                                 if (trace.fraction == 1)
 665                                         client->visibletime[e] = realtime + 1;
 666                                 else
 667                                 {
 668                                         //test nearest point on bbox
 669                                         testorigin[0] = bound(entmins[0], testeye[0], entmaxs[0]);
 670                                         testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]);
 671                                         testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]);
 672
 673                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
 674
 675                                         if (trace.fraction == 1)
 676                                                 client->visibletime[e] = realtime + 1;
 677                                         else if (realtime > client->visibletime[e])
 678                                         {
 679                                                 culled_trace++;
 680                                                 continue;
 681                                         }
 682                                 }
 683                         }
 684                         visibleentities++;
 685                 }
 686
 687                 alphaf = 255.0f;
 688                 scale = 16;
 689                 glowcolor = 254;
 690                 effects = ent->v->effects;
 691
 692                 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
 693                 if (val->_float != 0)
 694                         alphaf = val->_float * 255.0f;
 695
 696                 // HalfLife support
 697                 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
 698                 if (val->_float != 0)
 699                         alphaf = val->_float;
 700
 701                 if (alphaf == 0.0f)
 702                         alphaf = 255.0f;
 703                 alpha = bound(0, alphaf, 255);
 704
 705                 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
 706                 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
 707                 if (scale < 0) scale = 0;
 708                 if (scale > 255) scale = 255;
 709
 710                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
 711                 if (val->_float != 0)
 712                         glowcolor = (int) val->_float;
 713
 714                 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
 715                 if (val->_float != 0)
 716                         effects |= EF_FULLBRIGHT;
 717
 718                 if (ent != clent)
 719                 {
 720                         if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
 721                         {
 722                                 if (model) // model
 723                                 {
 724                                         // don't send if flagged for NODRAW and there are no effects
 725                                         if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
 726                                                 continue;
 727                                 }
 728                                 else // no model and no effects
 729                                         continue;
 730                         }
 731                 }
 732
 733                 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
 734                 {
 735                         Con_Printf ("packet overflow\n");
 736                         // mark the rest of the entities so they can't be delta compressed against this frame
 737                         for (;e < sv.num_edicts;e++)
 738                         {
 739                                 client->nextfullupdate[e] = -1;
 740                                 client->visibletime[e] = -1;
 741                         }
 742                         return;
 743                 }
 744
 745                 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
 746                         bits = bits | U_EXTERIORMODEL;
 747
 748 // send an update
 749                 baseline = &ent->e->baseline;
 750
 751                 if (((int)ent->v->effects & EF_DELTA) && sv_deltacompress.integer)
 752                 {
 753                         // every half second a full update is forced
 754                         if (realtime < client->nextfullupdate[e])
 755                         {
 756                                 bits |= U_DELTA;
 757                                 baseline = &ent->e->deltabaseline;
 758                         }
 759                         else
 760                                 nextfullupdate = realtime + 0.5f;
 761                 }
 762                 else
 763                         nextfullupdate = realtime + 0.5f;
 764
 765                 // restore nextfullupdate since this is being sent for real
 766                 client->nextfullupdate[e] = nextfullupdate;
 767
 768                 if (e >= 256)
 769                         bits |= U_LONGENTITY;
 770
 771                 if (ent->v->movetype == MOVETYPE_STEP)
 772                         bits |= U_STEP;
 773
 774                 // LordHavoc: old stuff, but rewritten to have more exact tolerances
 775                 if (origin[0] != baseline->origin[0])                                                                                   bits |= U_ORIGIN1;
 776                 if (origin[1] != baseline->origin[1])                                                                                   bits |= U_ORIGIN2;
 777                 if (origin[2] != baseline->origin[2])                                                                                   bits |= U_ORIGIN3;
 778                 if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
 779                 if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
 780                 if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
 781                 if (baseline->colormap != (qbyte) ent->v->colormap)                                                             bits |= U_COLORMAP;
 782                 if (baseline->skin != (qbyte) ent->v->skin)                                                                             bits |= U_SKIN;
 783                 if ((baseline->frame & 0x00FF) != ((int) ent->v->frame & 0x00FF))                               bits |= U_FRAME;
 784                 if ((baseline->effects & 0x00FF) != ((int) ent->v->effects & 0x00FF))                   bits |= U_EFFECTS;
 785                 if ((baseline->modelindex & 0x00FF) != ((int) ent->v->modelindex & 0x00FF))             bits |= U_MODEL;
 786
 787                 // LordHavoc: new stuff
 788                 if (baseline->alpha != alpha)                                                                                                   bits |= U_ALPHA;
 789                 if (baseline->scale != scale)                                                                                                   bits |= U_SCALE;
 790                 if (((int) baseline->effects & 0xFF00) != ((int) ent->v->effects & 0xFF00))             bits |= U_EFFECTS2;
 791                 if (baseline->glowsize != glowsize)                                                                                             bits |= U_GLOWSIZE;
 792                 if (baseline->glowcolor != glowcolor)                                                                                   bits |= U_GLOWCOLOR;
 793                 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->frame & 0xFF00))                 bits |= U_FRAME2;
 794                 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->modelindex & 0xFF00))            bits |= U_MODEL2;
 795
 796                 // update delta baseline
 797                 VectorCopy(ent->v->origin, ent->e->deltabaseline.origin);
 798                 VectorCopy(ent->v->angles, ent->e->deltabaseline.angles);
 799                 ent->e->deltabaseline.colormap = ent->v->colormap;
 800                 ent->e->deltabaseline.skin = ent->v->skin;
 801                 ent->e->deltabaseline.frame = ent->v->frame;
 802                 ent->e->deltabaseline.effects = ent->v->effects;
 803                 ent->e->deltabaseline.modelindex = ent->v->modelindex;
 804                 ent->e->deltabaseline.alpha = alpha;
 805                 ent->e->deltabaseline.scale = scale;
 806                 ent->e->deltabaseline.glowsize = glowsize;
 807                 ent->e->deltabaseline.glowcolor = glowcolor;
 808
 809                 // write the message
 810                 if (bits >= 16777216)
 811                         bits |= U_EXTEND2;
 812                 if (bits >= 65536)
 813                         bits |= U_EXTEND1;
 814                 if (bits >= 256)
 815                         bits |= U_MOREBITS;
 816                 bits |= U_SIGNAL;
 817
 818                 MSG_WriteByte (msg, bits);
 819                 if (bits & U_MOREBITS)
 820                         MSG_WriteByte (msg, bits>>8);
 821                 // LordHavoc: extend bytes have to be written here due to delta compression
 822                 if (bits & U_EXTEND1)
 823                         MSG_WriteByte (msg, bits>>16);
 824                 if (bits & U_EXTEND2)
 825                         MSG_WriteByte (msg, bits>>24);
 826
 827                 // LordHavoc: old stuff
 828                 if (bits & U_LONGENTITY)
 829                         MSG_WriteShort (msg,e);
 830                 else
 831                         MSG_WriteByte (msg,e);
 832                 if (bits & U_MODEL)             MSG_WriteByte (msg,     ent->v->modelindex);
 833                 if (bits & U_FRAME)             MSG_WriteByte (msg, ent->v->frame);
 834                 if (bits & U_COLORMAP)  MSG_WriteByte (msg, ent->v->colormap);
 835                 if (bits & U_SKIN)              MSG_WriteByte (msg, ent->v->skin);
 836                 if (bits & U_EFFECTS)   MSG_WriteByte (msg, ent->v->effects);
 837                 if (bits & U_ORIGIN1)   MSG_WriteDPCoord (msg, origin[0]);
 838                 if (bits & U_ANGLE1)    MSG_WriteAngle(msg, angles[0]);
 839                 if (bits & U_ORIGIN2)   MSG_WriteDPCoord (msg, origin[1]);
 840                 if (bits & U_ANGLE2)    MSG_WriteAngle(msg, angles[1]);
 841                 if (bits & U_ORIGIN3)   MSG_WriteDPCoord (msg, origin[2]);
 842                 if (bits & U_ANGLE3)    MSG_WriteAngle(msg, angles[2]);
 843
 844                 // LordHavoc: new stuff
 845                 if (bits & U_ALPHA)             MSG_WriteByte(msg, alpha);
 846                 if (bits & U_SCALE)             MSG_WriteByte(msg, scale);
 847                 if (bits & U_EFFECTS2)  MSG_WriteByte(msg, (int)ent->v->effects >> 8);
 848                 if (bits & U_GLOWSIZE)  MSG_WriteByte(msg, glowsize);
 849                 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
 850                 if (bits & U_FRAME2)    MSG_WriteByte(msg, (int)ent->v->frame >> 8);
 851                 if (bits & U_MODEL2)    MSG_WriteByte(msg, (int)ent->v->modelindex >> 8);
 852         }
 853
 854         if (sv_cullentities_stats.integer)
 855                 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);
 856 }
 857 #else
 858 static entity_frame_t sv_writeentitiestoclient_entityframe;
 859 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
 860 {
 861         int e, clentnum, flags, alpha, glowcolor, glowsize, scale, effects, modelindex;
 862         int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
 863         float alphaf, lightsize;
 864         qbyte *pvs;
 865         vec3_t origin, angles, entmins, entmaxs, lightmins, lightmaxs, testorigin, testeye;
 866         edict_t *ent;
 867         eval_t *val;
 868         trace_t trace;
 869         model_t *model;
 870         entity_state_t *s;
 871
 872         Mod_CheckLoaded(sv.worldmodel);
 873
 874 // find the client's PVS
 875         // the real place being tested from
 876         VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
 877         pvs = SV_FatPVS (testeye);
 878
 879         // the place being reported (to consider the fact the client still
 880         // applies the view_ofs[2], so we have to only send the fractional part
 881         // of view_ofs[2], undoing what the client will redo)
 882         VectorCopy (testeye, testorigin);
 883         e = (int) clent->v->view_ofs[2] & 255;
 884         if (e >= 128)
 885                 e -= 256;
 886         testorigin[2] -= (float) e;
 887         EntityFrame_Clear(&sv_writeentitiestoclient_entityframe, testorigin);
 888
 889         culled_pvs = 0;
 890         culled_portal = 0;
 891         culled_trace = 0;
 892         visibleentities = 0;
 893         totalentities = 0;
 894
 895         clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 896         // send all entities that touch the pvs
 897         ent = NEXT_EDICT(sv.edicts);
 898         for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 899         {
 900                 if (ent->e->free)
 901                         continue;
 902                 flags = 0;
 903
 904                 if (ent != clent) // LordHavoc: always send player
 905                 {
 906                         if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
 907                         {
 908                                 if (val->edict == clentnum)
 909                                         flags |= RENDER_VIEWMODEL; // show relative to the view
 910                                 else
 911                                 {
 912                                         // don't show to anyone else
 913                                         continue;
 914                                 }
 915                         }
 916                         else
 917                         {
 918                                 // LordHavoc: never draw something told not to display to this client
 919                                 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
 920                                         continue;
 921                                 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
 922                                         continue;
 923                         }
 924                 }
 925
 926                 glowsize = 0;
 927                 effects = ent->v->effects;
 928                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
 929                         glowsize = (int) val->_float >> 2;
 930                 glowsize = bound(0, glowsize, 255);
 931
 932                 lightsize = 0;
 933                 if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 934                 {
 935                         if (effects & EF_BRIGHTFIELD)
 936                                 lightsize = max(lightsize, 80);
 937                         if (effects & EF_MUZZLEFLASH)
 938                                 lightsize = max(lightsize, 100);
 939                         if (effects & EF_BRIGHTLIGHT)
 940                                 lightsize = max(lightsize, 400);
 941                         if (effects & EF_DIMLIGHT)
 942                                 lightsize = max(lightsize, 200);
 943                         if (effects & EF_RED)
 944                                 lightsize = max(lightsize, 200);
 945                         if (effects & EF_BLUE)
 946                                 lightsize = max(lightsize, 200);
 947                         if (effects & EF_FLAME)
 948                                 lightsize = max(lightsize, 250);
 949                         if (effects & EF_STARDUST)
 950                                 lightsize = max(lightsize, 100);
 951                 }
 952                 if (glowsize)
 953                         lightsize = max(lightsize, glowsize << 2);
 954
 955                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
 956                 if (val->_float != 0)
 957                 {
 958                         flags |= RENDER_GLOWTRAIL;
 959                         lightsize = max(lightsize, 100);
 960                 }
 961
 962                 modelindex = 0;
 963                 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
 964                 {
 965                         modelindex = ent->v->modelindex;
 966                         model = sv.models[(int)ent->v->modelindex];
 967                         Mod_CheckLoaded(model);
 968                 }
 969                 else
 970                 {
 971                         model = NULL;
 972                         if (ent != clent) // LordHavoc: always send player
 973                                 if (lightsize == 0) // no effects
 974                                         continue;
 975                 }
 976
 977                 VectorCopy(ent->v->angles, angles);
 978                 if (DotProduct(ent->v->velocity, ent->v->velocity) >= 1.0f && host_client->latency >= 0.01f)
 979                 {
 980                         VectorMA(ent->v->origin, host_client->latency, ent->v->velocity, origin);
 981                         // LordHavoc: trace predicted movement to avoid putting things in walls
 982                         trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, origin, MOVE_NORMAL, ent);
 983                         VectorCopy(trace.endpos, origin);
 984                 }
 985                 else
 986                 {
 987                         VectorCopy(ent->v->origin, origin);
 988                 }
 989
 990                 // ent has survived every check so far, check if it is visible
 991                 // always send embedded brush models, they don't generate much traffic
 992                 if (ent != clent && ((flags & RENDER_VIEWMODEL) == 0) && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
 993                 {
 994                         // use the predicted origin
 995                         entmins[0] = origin[0] - 1.0f;
 996                         entmins[1] = origin[1] - 1.0f;
 997                         entmins[2] = origin[2] - 1.0f;
 998                         entmaxs[0] = origin[0] + 1.0f;
 999                         entmaxs[1] = origin[1] + 1.0f;
1000                         entmaxs[2] = origin[2] + 1.0f;
1001                         // using the model's bounding box to ensure things are visible regardless of their physics box
1002                         if (model)
1003                         {
1004                                 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
1005                                 {
1006                                         VectorAdd(entmins, model->rotatedmins, entmins);
1007                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
1008                                 }
1009                                 else if (ent->v->angles[1])
1010                                 {
1011                                         VectorAdd(entmins, model->yawmins, entmins);
1012                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
1013                                 }
1014                                 else
1015                                 {
1016                                         VectorAdd(entmins, model->normalmins, entmins);
1017                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
1018                                 }
1019                         }
1020                         lightmins[0] = min(entmins[0], origin[0] - lightsize);
1021                         lightmins[1] = min(entmins[1], origin[1] - lightsize);
1022                         lightmins[2] = min(entmins[2], origin[2] - lightsize);
1023                         lightmaxs[0] = min(entmaxs[0], origin[0] + lightsize);
1024                         lightmaxs[1] = min(entmaxs[1], origin[1] + lightsize);
1025                         lightmaxs[2] = min(entmaxs[2], origin[2] + lightsize);
1026
1027                         totalentities++;
1028
1029                         // if not touching a visible leaf
1030                         if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, lightmins, lightmaxs, sv.worldmodel->nodes))
1031                         {
1032                                 culled_pvs++;
1033                                 continue;
1034                         }
1035
1036                         // or not visible through the portals
1037                         if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, lightmins, lightmaxs))
1038                         {
1039                                 culled_portal++;
1040                                 continue;
1041                         }
1042
1043                         if (sv_cullentities_trace.integer)
1044                         {
1045                                 // LordHavoc: test center first
1046                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
1047                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
1048                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
1049                                 Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1050                                 if (trace.fraction == 1)
1051                                         client->visibletime[e] = realtime + 1;
1052                                 else
1053                                 {
1054                                         // LordHavoc: test random offsets, to maximize chance of detection
1055                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
1056                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
1057                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
1058                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1059                                         if (trace.fraction == 1)
1060                                                 client->visibletime[e] = realtime + 1;
1061                                         else
1062                                         {
1063                                                 if (lightsize)
1064                                                 {
1065                                                         // LordHavoc: test random offsets, to maximize chance of detection
1066                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
1067                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
1068                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
1069                                                         Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
1070                                                         if (trace.fraction == 1)
1071                                                                 client->visibletime[e] = realtime + 1;
1072                                                         else
1073                                                         {
1074                                                                 if (realtime > client->visibletime[e])
1075                                                                 {
1076                                                                         culled_trace++;
1077                                                                         continue;
1078                                                                 }
1079                                                         }
1080                                                 }
1081                                                 else
1082                                                 {
1083                                                         if (realtime > client->visibletime[e])
1084                                                         {
1085                                                                 culled_trace++;
1086                                                                 continue;
1087                                                         }
1088                                                 }
1089                                         }
1090                                 }
1091                         }
1092                         visibleentities++;
1093                 }
1094
1095                 alphaf = 255.0f;
1096                 scale = 16;
1097                 glowcolor = 254;
1098                 effects = ent->v->effects;
1099
1100                 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
1101                 if (val->_float != 0)
1102                         alphaf = val->_float * 255.0;
1103
1104                 // HalfLife support
1105                 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
1106                 if (val->_float != 0)
1107                         alphaf = val->_float;
1108
1109                 if (alphaf == 0.0f)
1110                         alphaf = 255.0f;
1111                 alpha = bound(0, alphaf, 255);
1112
1113                 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
1114                 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
1115                 if (scale < 0) scale = 0;
1116                 if (scale > 255) scale = 255;
1117
1118                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
1119                 if (val->_float != 0)
1120                         glowcolor = (int) val->_float;
1121
1122                 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
1123                 if (val->_float != 0)
1124                         effects |= EF_FULLBRIGHT;
1125
1126                 if (ent != clent)
1127                 {
1128                         if (lightsize == 0) // no effects
1129                         {
1130                                 if (model) // model
1131                                 {
1132                                         // don't send if flagged for NODRAW and there are no effects
1133                                         if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
1134                                                 continue;
1135                                 }
1136                                 else // no model and no effects
1137                                         continue;
1138                         }
1139                 }
1140
1141                 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
1142                         flags |= RENDER_EXTERIORMODEL;
1143
1144                 if (ent->v->movetype == MOVETYPE_STEP)
1145                         flags |= RENDER_STEP;
1146                 // don't send an entity if it's coordinates would wrap around
1147                 if ((effects & EF_LOWPRECISION) && origin[0] >= -32768 && origin[1] >= -32768 && origin[2] >= -32768 && origin[0] <= 32767 && origin[1] <= 32767 && origin[2] <= 32767)
1148                         flags |= RENDER_LOWPRECISION;
1149
1150                 s = EntityFrame_NewEntity(&sv_writeentitiestoclient_entityframe, e);
1151                 // if we run out of space, abort
1152                 if (!s)
1153                         break;
1154                 VectorCopy(origin, s->origin);
1155                 VectorCopy(angles, s->angles);
1156                 if (ent->v->colormap >= 1024)
1157                         flags |= RENDER_COLORMAPPED;
1158                 s->colormap = ent->v->colormap;
1159                 s->skin = ent->v->skin;
1160                 s->frame = ent->v->frame;
1161                 s->modelindex = modelindex;
1162                 s->effects = effects;
1163                 s->alpha = alpha;
1164                 s->scale = scale;
1165                 s->glowsize = glowsize;
1166                 s->glowcolor = glowcolor;
1167                 s->flags = flags;
1168         }
1169         sv_writeentitiestoclient_entityframe.framenum = ++client->entityframenumber;
1170         EntityFrame_Write(&client->entitydatabase, &sv_writeentitiestoclient_entityframe, msg);
1171
1172         if (sv_cullentities_stats.integer)
1173                 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);
1174 }
1175 #endif
1176
1177 /*
1178 =============
1179 SV_CleanupEnts
1180
1181 =============
1182 */
1183 void SV_CleanupEnts (void)
1184 {
1185         int             e;
1186         edict_t *ent;
1187
1188         ent = NEXT_EDICT(sv.edicts);
1189         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
1190                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
1191 }
1192
1193 /*
1194 ==================
1195 SV_WriteClientdataToMessage
1196
1197 ==================
1198 */
1199 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
1200 {
1201         int             bits;
1202         int             i;
1203         edict_t *other;
1204         int             items;
1205         eval_t  *val;
1206         vec3_t  punchvector;
1207         qbyte   viewzoom;
1208
1209 //
1210 // send a damage message
1211 //
1212         if (ent->v->dmg_take || ent->v->dmg_save)
1213         {
1214                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
1215                 MSG_WriteByte (msg, svc_damage);
1216                 MSG_WriteByte (msg, ent->v->dmg_save);
1217                 MSG_WriteByte (msg, ent->v->dmg_take);
1218                 for (i=0 ; i<3 ; i++)
1219                         MSG_WriteDPCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]));
1220
1221                 ent->v->dmg_take = 0;
1222                 ent->v->dmg_save = 0;
1223         }
1224
1225 //
1226 // send the current viewpos offset from the view entity
1227 //
1228         SV_SetIdealPitch ();            // how much to look up / down ideally
1229
1230 // a fixangle might get lost in a dropped packet.  Oh well.
1231         if ( ent->v->fixangle )
1232         {
1233                 MSG_WriteByte (msg, svc_setangle);
1234                 for (i=0 ; i < 3 ; i++)
1235                         MSG_WriteAngle (msg, ent->v->angles[i] );
1236                 ent->v->fixangle = 0;
1237         }
1238
1239         bits = 0;
1240
1241         if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
1242                 bits |= SU_VIEWHEIGHT;
1243
1244         if (ent->v->idealpitch)
1245                 bits |= SU_IDEALPITCH;
1246
1247 // stuff the sigil bits into the high bits of items for sbar, or else
1248 // mix in items2
1249         val = GETEDICTFIELDVALUE(ent, eval_items2);
1250
1251         if (val)
1252                 items = (int)ent->v->items | ((int)val->_float << 23);
1253         else
1254                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
1255
1256         bits |= SU_ITEMS;
1257
1258         if ( (int)ent->v->flags & FL_ONGROUND)
1259                 bits |= SU_ONGROUND;
1260
1261         if ( ent->v->waterlevel >= 2)
1262                 bits |= SU_INWATER;
1263
1264         // dpprotocol
1265         VectorClear(punchvector);
1266         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
1267                 VectorCopy(val->vector, punchvector);
1268
1269         i = 255;
1270         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1271         {
1272                 i = val->_float * 255.0f;
1273                 if (i == 0)
1274                         i = 255;
1275                 else
1276                         i = bound(0, i, 255);
1277         }
1278         viewzoom = i;
1279
1280         if (viewzoom != 255)
1281                 bits |= SU_VIEWZOOM;
1282
1283         for (i=0 ; i<3 ; i++)
1284         {
1285                 if (ent->v->punchangle[i])
1286                         bits |= (SU_PUNCH1<<i);
1287                 if (punchvector[i]) // dpprotocol
1288                         bits |= (SU_PUNCHVEC1<<i); // dpprotocol
1289                 if (ent->v->velocity[i])
1290                         bits |= (SU_VELOCITY1<<i);
1291         }
1292
1293         if (ent->v->weaponframe)
1294                 bits |= SU_WEAPONFRAME;
1295
1296         if (ent->v->armorvalue)
1297                 bits |= SU_ARMOR;
1298
1299         bits |= SU_WEAPON;
1300
1301         if (bits >= 65536)
1302                 bits |= SU_EXTEND1;
1303         if (bits >= 16777216)
1304                 bits |= SU_EXTEND2;
1305
1306 // send the data
1307
1308         MSG_WriteByte (msg, svc_clientdata);
1309         MSG_WriteShort (msg, bits);
1310         if (bits & SU_EXTEND1)
1311                 MSG_WriteByte(msg, bits >> 16);
1312         if (bits & SU_EXTEND2)
1313                 MSG_WriteByte(msg, bits >> 24);
1314
1315         if (bits & SU_VIEWHEIGHT)
1316                 MSG_WriteChar (msg, ent->v->view_ofs[2]);
1317
1318         if (bits & SU_IDEALPITCH)
1319                 MSG_WriteChar (msg, ent->v->idealpitch);
1320
1321         for (i=0 ; i<3 ; i++)
1322         {
1323                 if (bits & (SU_PUNCH1<<i))
1324                         MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // dpprotocol
1325                 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
1326                         MSG_WriteDPCoord(msg, punchvector[i]); // dpprotocol
1327                 if (bits & (SU_VELOCITY1<<i))
1328                         MSG_WriteChar (msg, ent->v->velocity[i]/16);
1329         }
1330
1331 // [always sent]        if (bits & SU_ITEMS)
1332         MSG_WriteLong (msg, items);
1333
1334         if (bits & SU_WEAPONFRAME)
1335                 MSG_WriteByte (msg, ent->v->weaponframe);
1336         if (bits & SU_ARMOR)
1337                 MSG_WriteByte (msg, ent->v->armorvalue);
1338         if (bits & SU_WEAPON)
1339                 MSG_WriteByte (msg, SV_ModelIndex(PR_GetString(ent->v->weaponmodel)));
1340
1341         MSG_WriteShort (msg, ent->v->health);
1342         MSG_WriteByte (msg, ent->v->currentammo);
1343         MSG_WriteByte (msg, ent->v->ammo_shells);
1344         MSG_WriteByte (msg, ent->v->ammo_nails);
1345         MSG_WriteByte (msg, ent->v->ammo_rockets);
1346         MSG_WriteByte (msg, ent->v->ammo_cells);
1347
1348         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1349         {
1350                 for(i=0;i<32;i++)
1351                 {
1352                         if ( ((int)ent->v->weapon) & (1<<i) )
1353                         {
1354                                 MSG_WriteByte (msg, i);
1355                                 break;
1356                         }
1357                 }
1358         }
1359         else
1360         {
1361                 MSG_WriteByte (msg, ent->v->weapon);
1362         }
1363
1364         if (bits & SU_VIEWZOOM)
1365                 MSG_WriteByte (msg, viewzoom);
1366 }
1367
1368 /*
1369 =======================
1370 SV_SendClientDatagram
1371 =======================
1372 */
1373 static qbyte sv_sendclientdatagram_buf[MAX_DATAGRAM]; // FIXME?
1374 qboolean SV_SendClientDatagram (client_t *client)
1375 {
1376         sizebuf_t       msg;
1377
1378         msg.data = sv_sendclientdatagram_buf;
1379         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1380         msg.cursize = 0;
1381
1382         MSG_WriteByte (&msg, svc_time);
1383         MSG_WriteFloat (&msg, sv.time);
1384
1385         // add the client specific data to the datagram
1386         SV_WriteClientdataToMessage (client->edict, &msg);
1387
1388         SV_WriteEntitiesToClient (client, client->edict, &msg);
1389
1390         // copy the server datagram if there is space
1391         if (msg.cursize + sv.datagram.cursize < msg.maxsize)
1392                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1393
1394 // send the datagram
1395         if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1396         {
1397                 SV_DropClient (true);// if the message couldn't send, kick off
1398                 return false;
1399         }
1400
1401         return true;
1402 }
1403
1404 /*
1405 =======================
1406 SV_UpdateToReliableMessages
1407 =======================
1408 */
1409 void SV_UpdateToReliableMessages (void)
1410 {
1411         int i, j;
1412         client_t *client;
1413
1414 // check for changes to be sent over the reliable streams
1415         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1416         {
1417                 sv_player = host_client->edict;
1418                 if (host_client->old_frags != sv_player->v->frags)
1419                 {
1420                         for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1421                         {
1422                                 if (!client->active || !client->spawned)
1423                                         continue;
1424                                 MSG_WriteByte (&client->message, svc_updatefrags);
1425                                 MSG_WriteByte (&client->message, i);
1426                                 MSG_WriteShort (&client->message, sv_player->v->frags);
1427                         }
1428
1429                         host_client->old_frags = sv_player->v->frags;
1430                 }
1431         }
1432
1433         for (j=0, host_client = svs.clients ; j<svs.maxclients ; j++, host_client++)
1434         {
1435                 if (!host_client->active)
1436                         continue;
1437                 SZ_Write (&host_client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1438         }
1439
1440         SZ_Clear (&sv.reliable_datagram);
1441 }
1442
1443
1444 /*
1445 =======================
1446 SV_SendNop
1447
1448 Send a nop message without trashing or sending the accumulated client
1449 message buffer
1450 =======================
1451 */
1452 void SV_SendNop (client_t *client)
1453 {
1454         sizebuf_t       msg;
1455         qbyte           buf[4];
1456
1457         msg.data = buf;
1458         msg.maxsize = sizeof(buf);
1459         msg.cursize = 0;
1460
1461         MSG_WriteChar (&msg, svc_nop);
1462
1463         if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1464                 SV_DropClient (true);   // if the message couldn't send, kick off
1465         client->last_message = realtime;
1466 }
1467
1468 /*
1469 =======================
1470 SV_SendClientMessages
1471 =======================
1472 */
1473 void SV_SendClientMessages (void)
1474 {
1475         int                     i;
1476
1477 // update frags, names, etc
1478         SV_UpdateToReliableMessages ();
1479
1480 // build individual updates
1481         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1482         {
1483                 if (!host_client->active)
1484                         continue;
1485
1486                 if (host_client->spawned)
1487                 {
1488                         if (!SV_SendClientDatagram (host_client))
1489                                 continue;
1490                 }
1491                 else
1492                 {
1493                 // the player isn't totally in the game yet
1494                 // send small keepalive messages if too much time has passed
1495                 // send a full message when the next signon stage has been requested
1496                 // some other message data (name changes, etc) may accumulate
1497                 // between signon stages
1498                         if (!host_client->sendsignon)
1499                         {
1500                                 if (realtime - host_client->last_message > 5)
1501                                         SV_SendNop (host_client);
1502                                 continue;       // don't send out non-signon messages
1503                         }
1504                 }
1505
1506                 // check for an overflowed message.  Should only happen
1507                 // on a very fucked up connection that backs up a lot, then
1508                 // changes level
1509                 if (host_client->message.overflowed)
1510                 {
1511                         SV_DropClient (true); // overflowed
1512                         host_client->message.overflowed = false;
1513                         continue;
1514                 }
1515
1516                 if (host_client->message.cursize || host_client->dropasap)
1517                 {
1518                         if (!NET_CanSendMessage (host_client->netconnection))
1519                                 continue;
1520
1521                         if (host_client->dropasap)
1522                                 SV_DropClient (false);  // went to another level
1523                         else
1524                         {
1525                                 if (NET_SendMessage (host_client->netconnection, &host_client->message) == -1)
1526                                         SV_DropClient (true);   // if the message couldn't send, kick off
1527                                 SZ_Clear (&host_client->message);
1528                                 host_client->last_message = realtime;
1529                                 host_client->sendsignon = false;
1530                         }
1531                 }
1532         }
1533
1534
1535 // clear muzzle flashes
1536         SV_CleanupEnts ();
1537 }
1538
1539
1540 /*
1541 ==============================================================================
1542
1543 SERVER SPAWNING
1544
1545 ==============================================================================
1546 */
1547
1548 /*
1549 ================
1550 SV_ModelIndex
1551
1552 ================
1553 */
1554 int SV_ModelIndex (const char *name)
1555 {
1556         int i;
1557
1558         if (!name || !name[0])
1559                 return 0;
1560
1561         for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1562                 if (!strcmp(sv.model_precache[i], name))
1563                         return i;
1564         if (i==MAX_MODELS || !sv.model_precache[i])
1565                 Host_Error ("SV_ModelIndex: model %s not precached", name);
1566         return i;
1567 }
1568
1569 #ifdef SV_QUAKEENTITIES
1570 /*
1571 ================
1572 SV_CreateBaseline
1573
1574 ================
1575 */
1576 void SV_CreateBaseline (void)
1577 {
1578         int i, entnum, large;
1579         edict_t *svent;
1580
1581         // LordHavoc: clear *all* states (note just active ones)
1582         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1583         {
1584                 // get the current server version
1585                 svent = EDICT_NUM(entnum);
1586
1587                 // LordHavoc: always clear state values, whether the entity is in use or not
1588                 ClearStateToDefault(&svent->e->baseline);
1589
1590                 if (svent->e->free)
1591                         continue;
1592                 if (entnum > svs.maxclients && !svent->v->modelindex)
1593                         continue;
1594
1595                 // create entity baseline
1596                 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1597                 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1598                 svent->e->baseline.frame = svent->v->frame;
1599                 svent->e->baseline.skin = svent->v->skin;
1600                 if (entnum > 0 && entnum <= svs.maxclients)
1601                 {
1602                         svent->e->baseline.colormap = entnum;
1603                         svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1604                 }
1605                 else
1606                 {
1607                         svent->e->baseline.colormap = 0;
1608                         svent->e->baseline.modelindex = svent->v->modelindex;
1609                 }
1610
1611                 large = false;
1612                 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1613                         large = true;
1614
1615                 // add to the message
1616                 if (large)
1617                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1618                 else
1619                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1620                 MSG_WriteShort (&sv.signon, entnum);
1621
1622                 if (large)
1623                 {
1624                         MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1625                         MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1626                 }
1627                 else
1628                 {
1629                         MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1630                         MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1631                 }
1632                 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1633                 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1634                 for (i=0 ; i<3 ; i++)
1635                 {
1636                         MSG_WriteDPCoord(&sv.signon, svent->e->baseline.origin[i]);
1637                         MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i]);
1638                 }
1639         }
1640 }
1641 #endif
1642
1643
1644 /*
1645 ================
1646 SV_SendReconnect
1647
1648 Tell all the clients that the server is changing levels
1649 ================
1650 */
1651 void SV_SendReconnect (void)
1652 {
1653         char    data[128];
1654         sizebuf_t       msg;
1655
1656         msg.data = data;
1657         msg.cursize = 0;
1658         msg.maxsize = sizeof(data);
1659
1660         MSG_WriteChar (&msg, svc_stufftext);
1661         MSG_WriteString (&msg, "reconnect\n");
1662         NET_SendToAll (&msg, 5);
1663
1664         if (cls.state != ca_dedicated)
1665                 Cmd_ExecuteString ("reconnect\n", src_command);
1666 }
1667
1668
1669 /*
1670 ================
1671 SV_SaveSpawnparms
1672
1673 Grabs the current state of each client for saving across the
1674 transition to another level
1675 ================
1676 */
1677 void SV_SaveSpawnparms (void)
1678 {
1679         int             i, j;
1680
1681         svs.serverflags = pr_global_struct->serverflags;
1682
1683         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1684         {
1685                 if (!host_client->active)
1686                         continue;
1687
1688         // call the progs to get default spawn parms for the new client
1689                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1690                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1691                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1692                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1693         }
1694 }
1695
1696 void SV_IncreaseEdicts(void)
1697 {
1698         int i;
1699         edict_t *ent;
1700         int oldmax_edicts = sv.max_edicts;
1701         void *oldedictsengineprivate = sv.edictsengineprivate;
1702         void *oldedictsfields = sv.edictsfields;
1703         void *oldmoved_edicts = sv.moved_edicts;
1704
1705         // links don't survive the transition, so unlink everything
1706         for (i = 0;i < sv.max_edicts;i++)
1707                 SV_UnlinkEdict (sv.edicts + i);
1708         SV_ClearWorld();
1709
1710         sv.max_edicts   = min(sv.max_edicts + 32, MAX_EDICTS);
1711         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1712         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1713         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1714
1715         memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1716         memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1717
1718         for (i = 0;i < sv.max_edicts;i++)
1719         {
1720                 ent = sv.edicts + i;
1721                 ent->e = sv.edictsengineprivate + i;
1722                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1723                 // link every entity except world
1724                 if (i > 0)
1725                         SV_LinkEdict(ent, false);
1726         }
1727
1728         Mem_Free(oldedictsengineprivate);
1729         Mem_Free(oldedictsfields);
1730         Mem_Free(oldmoved_edicts);
1731 }
1732
1733 /*
1734 ================
1735 SV_SpawnServer
1736
1737 This is called at the start of each level
1738 ================
1739 */
1740 extern float            scr_centertime_off;
1741
1742 void SV_SpawnServer (const char *server)
1743 {
1744         edict_t *ent;
1745         int i;
1746         qbyte *entities;
1747
1748         // let's not have any servers with no name
1749         if (hostname.string[0] == 0)
1750                 Cvar_Set ("hostname", "UNNAMED");
1751         scr_centertime_off = 0;
1752
1753         Con_DPrintf ("SpawnServer: %s\n",server);
1754         svs.changelevel_issued = false;         // now safe to issue another
1755
1756 //
1757 // tell all connected clients that we are going to a new level
1758 //
1759         if (sv.active)
1760                 SV_SendReconnect ();
1761
1762 //
1763 // make cvars consistant
1764 //
1765         if (coop.integer)
1766                 Cvar_SetValue ("deathmatch", 0);
1767         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1768
1769         Cvar_SetValue ("skill", (float)current_skill);
1770
1771 //
1772 // set up the new server
1773 //
1774         Host_ClearMemory ();
1775
1776         memset (&sv, 0, sizeof(sv));
1777
1778         strcpy (sv.name, server);
1779
1780 // load progs to get entity field count
1781         PR_LoadProgs ();
1782
1783 // allocate server memory
1784         // start out with just enough room for clients and a reasonable estimate of entities
1785         sv.max_edicts = ((svs.maxclients + 128) + 31) & ~31;
1786         sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1787
1788         // clear the edict memory pool
1789         Mem_EmptyPool(sv_edicts_mempool);
1790         // edict_t structures (hidden from progs)
1791         sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1792         // engine private structures (hidden from progs)
1793         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1794         // progs fields, often accessed by server
1795         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1796         // used by PushMove to move back pushed entities
1797         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1798         for (i = 0;i < sv.max_edicts;i++)
1799         {
1800                 ent = sv.edicts + i;
1801                 ent->e = sv.edictsengineprivate + i;
1802                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1803         }
1804
1805         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1806         sv.datagram.cursize = 0;
1807         sv.datagram.data = sv.datagram_buf;
1808
1809         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1810         sv.reliable_datagram.cursize = 0;
1811         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1812
1813         sv.signon.maxsize = sizeof(sv.signon_buf);
1814         sv.signon.cursize = 0;
1815         sv.signon.data = sv.signon_buf;
1816
1817 // leave slots at start for clients only
1818         sv.num_edicts = svs.maxclients+1;
1819         for (i=0 ; i<svs.maxclients ; i++)
1820                 svs.clients[i].edict = EDICT_NUM(i+1);
1821
1822         sv.state = ss_loading;
1823         sv.paused = false;
1824
1825         sv.time = 1.0;
1826
1827         Mod_ClearUsed();
1828
1829         strcpy (sv.name, server);
1830         sprintf (sv.modelname,"maps/%s.bsp", server);
1831         sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
1832         if (!sv.worldmodel)
1833         {
1834                 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1835                 sv.active = false;
1836                 return;
1837         }
1838         sv.models[1] = sv.worldmodel;
1839
1840 //
1841 // clear world interaction links
1842 //
1843         SV_ClearWorld ();
1844
1845         sv.sound_precache[0] = "";
1846
1847         sv.model_precache[0] = "";
1848         sv.model_precache[1] = sv.modelname;
1849         for (i = 1;i < sv.worldmodel->numsubmodels;i++)
1850         {
1851                 sv.model_precache[i+1] = localmodels[i];
1852                 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1853         }
1854
1855 //
1856 // load the rest of the entities
1857 //
1858         ent = EDICT_NUM(0);
1859         memset (ent->v, 0, progs->entityfields * 4);
1860         ent->e->free = false;
1861         ent->v->model = PR_SetString(sv.modelname);
1862         ent->v->modelindex = 1;         // world model
1863         ent->v->solid = SOLID_BSP;
1864         ent->v->movetype = MOVETYPE_PUSH;
1865
1866         if (coop.integer)
1867                 pr_global_struct->coop = coop.integer;
1868         else
1869                 pr_global_struct->deathmatch = deathmatch.integer;
1870
1871         pr_global_struct->mapname = PR_SetString(sv.name);
1872
1873 // serverflags are for cross level information (sigils)
1874         pr_global_struct->serverflags = svs.serverflags;
1875
1876         // load replacement entity file if found
1877         entities = NULL;
1878         if (sv_entpatch.integer)
1879                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), true);
1880         if (entities)
1881         {
1882                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1883                 ED_LoadFromFile (entities);
1884                 Mem_Free(entities);
1885         }
1886         else
1887                 ED_LoadFromFile (sv.worldmodel->entities);
1888
1889
1890         // LordHavoc: clear world angles (to fix e3m3.bsp)
1891         VectorClear(sv.edicts->v->angles);
1892
1893         sv.active = true;
1894
1895 // all setup is completed, any further precache statements are errors
1896         sv.state = ss_active;
1897
1898 // run two frames to allow everything to settle
1899         sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1900         SV_Physics ();
1901         sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1902         SV_Physics ();
1903
1904         Mod_PurgeUnused();
1905
1906 #ifdef QUAKEENTITIES
1907 // create a baseline for more efficient communications
1908         SV_CreateBaseline ();
1909 #endif
1910
1911 // send serverinfo to all connected clients
1912         for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1913                 if (host_client->active)
1914                         SV_SendServerinfo (host_client);
1915
1916         Con_DPrintf ("Server spawned.\n");
1917         NET_Heartbeat (2);
1918 }
1919