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 // select which protocol to host, by name
  25 // this is named the same as PROTOCOL_DARKPLACES5 for example, minus the PROTOCOL_ prefix
  26 cvar_t sv_protocolname = {0, "sv_protocolname", "DARKPLACES5"};
  27 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0"};
  28 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "10000"};
  29
  30 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1"}; // fast but loose
  31 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
  32 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0"};
  33 static cvar_t sv_entpatch = {0, "sv_entpatch", "1"};
  34
  35 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1"};
  36 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1"};
  37 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "1"};
  38 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1"};
  39 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1"};
  40
  41 server_t sv;
  42 server_static_t svs;
  43
  44 static char localmodels[MAX_MODELS][5];                 // inline model names for precache
  45
  46 mempool_t *sv_edicts_mempool = NULL;
  47
  48 //============================================================================
  49
  50 extern void SV_Phys_Init (void);
  51 extern void SV_World_Init (void);
  52 static void SV_SaveEntFile_f(void);
  53
  54 /*
  55 ===============
  56 SV_Init
  57 ===============
  58 */
  59 void SV_Init (void)
  60 {
  61         int i;
  62
  63         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f);
  64         Cvar_RegisterVariable (&sv_maxvelocity);
  65         Cvar_RegisterVariable (&sv_gravity);
  66         Cvar_RegisterVariable (&sv_friction);
  67         Cvar_RegisterVariable (&sv_edgefriction);
  68         Cvar_RegisterVariable (&sv_stopspeed);
  69         Cvar_RegisterVariable (&sv_maxspeed);
  70         Cvar_RegisterVariable (&sv_accelerate);
  71         Cvar_RegisterVariable (&sv_idealpitchscale);
  72         Cvar_RegisterVariable (&sv_aim);
  73         Cvar_RegisterVariable (&sv_nostep);
  74         Cvar_RegisterVariable (&sv_deltacompress);
  75         Cvar_RegisterVariable (&sv_cullentities_pvs);
  76         Cvar_RegisterVariable (&sv_cullentities_trace);
  77         Cvar_RegisterVariable (&sv_cullentities_stats);
  78         Cvar_RegisterVariable (&sv_entpatch);
  79         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
  80         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
  81         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
  82         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
  83         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
  84         Cvar_RegisterVariable (&sv_protocolname);
  85         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
  86         Cvar_RegisterVariable (&sv_maxrate);
  87
  88         SV_Phys_Init();
  89         SV_World_Init();
  90
  91         for (i = 0;i < MAX_MODELS;i++)
  92                 sprintf (localmodels[i], "*%i", i);
  93
  94         sv_edicts_mempool = Mem_AllocPool("server edicts", 0, NULL);
  95 }
  96
  97 static void SV_SaveEntFile_f(void)
  98 {
  99         char basename[MAX_QPATH];
 100         if (!sv.active || !sv.worldmodel)
 101         {
 102                 Con_Print("Not running a server\n");
 103                 return;
 104         }
 105         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 106         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, strlen(sv.worldmodel->brush.entities));
 107 }
 108
 109 /*
 110 =============================================================================
 111
 112 EVENT MESSAGES
 113
 114 =============================================================================
 115 */
 116
 117 /*
 118 ==================
 119 SV_StartParticle
 120
 121 Make sure the event gets sent to all clients
 122 ==================
 123 */
 124 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 125 {
 126         int             i, v;
 127
 128         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 129                 return;
 130         MSG_WriteByte (&sv.datagram, svc_particle);
 131         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 132         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 133         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 134         for (i=0 ; i<3 ; i++)
 135         {
 136                 v = dir[i]*16;
 137                 if (v > 127)
 138                         v = 127;
 139                 else if (v < -128)
 140                         v = -128;
 141                 MSG_WriteChar (&sv.datagram, v);
 142         }
 143         MSG_WriteByte (&sv.datagram, count);
 144         MSG_WriteByte (&sv.datagram, color);
 145 }
 146
 147 /*
 148 ==================
 149 SV_StartEffect
 150
 151 Make sure the event gets sent to all clients
 152 ==================
 153 */
 154 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 155 {
 156         if (modelindex >= 256 || startframe >= 256)
 157         {
 158                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 159                         return;
 160                 MSG_WriteByte (&sv.datagram, svc_effect2);
 161                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 162                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 163                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 164                 MSG_WriteShort (&sv.datagram, modelindex);
 165                 MSG_WriteShort (&sv.datagram, startframe);
 166                 MSG_WriteByte (&sv.datagram, framecount);
 167                 MSG_WriteByte (&sv.datagram, framerate);
 168         }
 169         else
 170         {
 171                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 172                         return;
 173                 MSG_WriteByte (&sv.datagram, svc_effect);
 174                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 175                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 176                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 177                 MSG_WriteByte (&sv.datagram, modelindex);
 178                 MSG_WriteByte (&sv.datagram, startframe);
 179                 MSG_WriteByte (&sv.datagram, framecount);
 180                 MSG_WriteByte (&sv.datagram, framerate);
 181         }
 182 }
 183
 184 /*
 185 ==================
 186 SV_StartSound
 187
 188 Each entity can have eight independant sound sources, like voice,
 189 weapon, feet, etc.
 190
 191 Channel 0 is an auto-allocate channel, the others override anything
 192 already running on that entity/channel pair.
 193
 194 An attenuation of 0 will play full volume everywhere in the level.
 195 Larger attenuations will drop off.  (max 4 attenuation)
 196
 197 ==================
 198 */
 199 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
 200 {
 201         int sound_num, field_mask, i, ent;
 202
 203         if (volume < 0 || volume > 255)
 204                 Host_Error ("SV_StartSound: volume = %i", volume);
 205
 206         if (attenuation < 0 || attenuation > 4)
 207                 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
 208
 209         if (channel < 0 || channel > 7)
 210                 Host_Error ("SV_StartSound: channel = %i", channel);
 211
 212         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 213                 return;
 214
 215 // find precache number for sound
 216         for (sound_num=1 ; sound_num<MAX_SOUNDS && sv.sound_precache[sound_num] ; sound_num++)
 217                 if (!strcmp(sample, sv.sound_precache[sound_num]))
 218                         break;
 219
 220         if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
 221         {
 222                 Con_Printf("SV_StartSound: %s not precached\n", sample);
 223                 return;
 224         }
 225
 226         ent = NUM_FOR_EDICT(entity);
 227
 228         field_mask = 0;
 229         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 230                 field_mask |= SND_VOLUME;
 231         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 232                 field_mask |= SND_ATTENUATION;
 233         if (ent >= 8192)
 234                 field_mask |= SND_LARGEENTITY;
 235         if (sound_num >= 256 || channel >= 8)
 236                 field_mask |= SND_LARGESOUND;
 237
 238 // directed messages go only to the entity they are targeted on
 239         MSG_WriteByte (&sv.datagram, svc_sound);
 240         MSG_WriteByte (&sv.datagram, field_mask);
 241         if (field_mask & SND_VOLUME)
 242                 MSG_WriteByte (&sv.datagram, volume);
 243         if (field_mask & SND_ATTENUATION)
 244                 MSG_WriteByte (&sv.datagram, attenuation*64);
 245         if (field_mask & SND_LARGEENTITY)
 246         {
 247                 MSG_WriteShort (&sv.datagram, ent);
 248                 MSG_WriteByte (&sv.datagram, channel);
 249         }
 250         else
 251                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 252         if (field_mask & SND_LARGESOUND)
 253                 MSG_WriteShort (&sv.datagram, sound_num);
 254         else
 255                 MSG_WriteByte (&sv.datagram, sound_num);
 256         for (i = 0;i < 3;i++)
 257                 MSG_WriteCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]), sv.protocol);
 258 }
 259
 260 /*
 261 ==============================================================================
 262
 263 CLIENT SPAWNING
 264
 265 ==============================================================================
 266 */
 267
 268 /*
 269 ================
 270 SV_SendServerinfo
 271
 272 Sends the first message from the server to a connected client.
 273 This will be sent on the initial connection and upon each server load.
 274 ================
 275 */
 276 void SV_SendServerinfo (client_t *client)
 277 {
 278         char                    **s;
 279         char                    message[128];
 280
 281         // edicts get reallocated on level changes, so we need to update it here
 282         client->edict = EDICT_NUM(client->number + 1);
 283
 284
 285         // LordHavoc: clear entityframe tracking
 286
 287         if (client->entitydatabase)
 288                 EntityFrame_FreeDatabase(client->entitydatabase);
 289         if (client->entitydatabase4)
 290                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 291         if (client->entitydatabase5)
 292                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 293
 294         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 295                 client->entitydatabase = EntityFrame_AllocDatabase(sv_clients_mempool);
 296         if (sv.protocol == PROTOCOL_DARKPLACES4)
 297                 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
 298         if (sv.protocol == PROTOCOL_DARKPLACES5)
 299                 client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_clients_mempool);
 300
 301         MSG_WriteByte (&client->message, svc_print);
 302         snprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
 303         MSG_WriteString (&client->message,message);
 304
 305         MSG_WriteByte (&client->message, svc_serverinfo);
 306         MSG_WriteLong (&client->message, sv.protocol);
 307         MSG_WriteByte (&client->message, svs.maxclients);
 308
 309         if (!coop.integer && deathmatch.integer)
 310                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
 311         else
 312                 MSG_WriteByte (&client->message, GAME_COOP);
 313
 314         MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
 315
 316         for (s = sv.model_precache+1 ; *s ; s++)
 317                 MSG_WriteString (&client->message, *s);
 318         MSG_WriteByte (&client->message, 0);
 319
 320         for (s = sv.sound_precache+1 ; *s ; s++)
 321                 MSG_WriteString (&client->message, *s);
 322         MSG_WriteByte (&client->message, 0);
 323
 324 // send music
 325         MSG_WriteByte (&client->message, svc_cdtrack);
 326         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 327         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 328
 329 // set view
 330         MSG_WriteByte (&client->message, svc_setview);
 331         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
 332
 333         MSG_WriteByte (&client->message, svc_signonnum);
 334         MSG_WriteByte (&client->message, 1);
 335
 336         client->sendsignon = true;
 337         client->spawned = false;                // need prespawn, spawn, etc
 338 }
 339
 340 /*
 341 ================
 342 SV_ConnectClient
 343
 344 Initializes a client_t for a new net connection.  This will only be called
 345 once for a player each game, not once for each level change.
 346 ================
 347 */
 348 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 349 {
 350         client_t                *client;
 351         int                             i;
 352         float                   spawn_parms[NUM_SPAWN_PARMS];
 353
 354         client = svs.clients + clientnum;
 355
 356 // set up the client_t
 357         if (sv.loadgame)
 358                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 359         memset (client, 0, sizeof(*client));
 360         client->active = true;
 361         client->netconnection = netconnection;
 362
 363         Con_DPrintf("Client %s connected\n", client->netconnection->address);
 364
 365         strcpy(client->name, "unconnected");
 366         strcpy(client->old_name, "unconnected");
 367         client->number = clientnum;
 368         client->spawned = false;
 369         client->edict = EDICT_NUM(clientnum+1);
 370         client->message.data = client->msgbuf;
 371         client->message.maxsize = sizeof(client->msgbuf);
 372         client->message.allowoverflow = true;           // we can catch it
 373
 374         if (sv.loadgame)
 375                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 376         else
 377         {
 378                 // call the progs to get default spawn parms for the new client
 379                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
 380                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 381                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
 382         }
 383
 384         SV_SendServerinfo (client);
 385 }
 386
 387
 388 /*
 389 ===============================================================================
 390
 391 FRAME UPDATES
 392
 393 ===============================================================================
 394 */
 395
 396 /*
 397 ==================
 398 SV_ClearDatagram
 399
 400 ==================
 401 */
 402 void SV_ClearDatagram (void)
 403 {
 404         SZ_Clear (&sv.datagram);
 405 }
 406
 407 /*
 408 =============================================================================
 409
 410 The PVS must include a small area around the client to allow head bobbing
 411 or other small motion on the client side.  Otherwise, a bob might cause an
 412 entity that should be visible to not show up, especially when the bob
 413 crosses a waterline.
 414
 415 =============================================================================
 416 */
 417
 418 int sv_writeentitiestoclient_pvsbytes;
 419 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
 420
 421 static int numsendentities;
 422 static entity_state_t sendentities[MAX_EDICTS];
 423 static entity_state_t *sendentitiesindex[MAX_EDICTS];
 424
 425 void SV_PrepareEntitiesForSending(void)
 426 {
 427         int e, i;
 428         float f;
 429         edict_t *ent;
 430         entity_state_t cs;
 431         // send all entities that touch the pvs
 432         numsendentities = 0;
 433         sendentitiesindex[0] = NULL;
 434         for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 435         {
 436                 sendentitiesindex[e] = NULL;
 437                 if (ent->e->free)
 438                         continue;
 439
 440                 cs = defaultstate;
 441                 cs.active = true;
 442                 cs.number = e;
 443                 VectorCopy(ent->v->origin, cs.origin);
 444                 VectorCopy(ent->v->angles, cs.angles);
 445                 cs.flags = 0;
 446                 cs.effects = (int)ent->v->effects;
 447                 cs.colormap = (qbyte)ent->v->colormap;
 448                 cs.skin = (qbyte)ent->v->skin;
 449                 cs.frame = (qbyte)ent->v->frame;
 450                 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
 451                 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
 452                 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
 453                 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
 454                 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
 455                 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
 456                 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
 457                 cs.glowsize = (qbyte)bound(0, i, 255);
 458                 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
 459                         cs.flags |= RENDER_GLOWTRAIL;
 460
 461                 cs.modelindex = 0;
 462                 i = (int)ent->v->modelindex;
 463                 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
 464                         cs.modelindex = i;
 465
 466                 cs.alpha = 255;
 467                 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
 468                 if (f)
 469                 {
 470                         i = (int)f;
 471                         cs.alpha = (qbyte)bound(0, i, 255);
 472                 }
 473                 // halflife
 474                 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
 475                 if (f)
 476                 {
 477                         i = (int)f;
 478                         cs.alpha = (qbyte)bound(0, i, 255);
 479                 }
 480
 481                 cs.scale = 16;
 482                 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
 483                 if (f)
 484                 {
 485                         i = (int)f;
 486                         cs.scale = (qbyte)bound(0, i, 255);
 487                 }
 488
 489                 cs.glowcolor = 254;
 490                 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
 491                 if (f)
 492                         cs.glowcolor = (int)f;
 493
 494                 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
 495                         cs.effects |= EF_FULLBRIGHT;
 496
 497                 if (ent->v->movetype == MOVETYPE_STEP)
 498                         cs.flags |= RENDER_STEP;
 499                 if ((cs.effects & EF_LOWPRECISION) && cs.origin[0] >= -32768 && cs.origin[1] >= -32768 && cs.origin[2] >= -32768 && cs.origin[0] <= 32767 && cs.origin[1] <= 32767 && cs.origin[2] <= 32767)
 500                         cs.flags |= RENDER_LOWPRECISION;
 501                 if (ent->v->colormap >= 1024)
 502                         cs.flags |= RENDER_COLORMAPPED;
 503                 if (cs.viewmodelforclient)
 504                         cs.flags |= RENDER_VIEWMODEL; // show relative to the view
 505
 506                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
 507                 cs.light[0] = (unsigned short)bound(0, f, 65535);
 508                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
 509                 cs.light[1] = (unsigned short)bound(0, f, 65535);
 510                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
 511                 cs.light[2] = (unsigned short)bound(0, f, 65535);
 512                 f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
 513                 cs.light[3] = (unsigned short)bound(0, f, 65535);
 514                 cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
 515                 cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
 516
 517                 if (gamemode == GAME_TENEBRAE)
 518                 {
 519                         // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
 520                         if (cs.effects & 16)
 521                         {
 522                                 cs.effects &= ~16;
 523                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 524                         }
 525                         // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
 526                         if (cs.effects & 32)
 527                         {
 528                                 cs.effects &= ~32;
 529                                 cs.light[0] = 0.2;
 530                                 cs.light[1] = 1;
 531                                 cs.light[2] = 0.2;
 532                                 cs.light[3] = 200;
 533                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 534                         }
 535                 }
 536
 537                 cs.specialvisibilityradius = 0;
 538                 if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
 539                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
 540                 if (cs.glowsize)
 541                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
 542                 if (cs.flags & RENDER_GLOWTRAIL)
 543                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 544                 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 545                 {
 546                         if (cs.effects & EF_BRIGHTFIELD)
 547                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
 548                         if (cs.effects & EF_MUZZLEFLASH)
 549                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 550                         if (cs.effects & EF_BRIGHTLIGHT)
 551                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
 552                         if (cs.effects & EF_DIMLIGHT)
 553                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 554                         if (cs.effects & EF_RED)
 555                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 556                         if (cs.effects & EF_BLUE)
 557                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 558                         if (cs.effects & EF_FLAME)
 559                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
 560                         if (cs.effects & EF_STARDUST)
 561                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 562                 }
 563
 564                 if (numsendentities >= MAX_EDICTS)
 565                         continue;
 566                 // we can omit invisible entities with no effects that are not clients
 567                 // LordHavoc: this could kill tags attached to an invisible entity, I
 568                 // just hope we never have to support that case
 569                 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
 570                         continue;
 571                 sendentitiesindex[e] = sendentities + numsendentities;
 572                 sendentities[numsendentities++] = cs;
 573         }
 574 }
 575
 576 static int sententitiesmark = 0;
 577 static int sententities[MAX_EDICTS];
 578 static int sententitiesconsideration[MAX_EDICTS];
 579 static int sv_writeentitiestoclient_culled_pvs;
 580 static int sv_writeentitiestoclient_culled_trace;
 581 static int sv_writeentitiestoclient_visibleentities;
 582 static int sv_writeentitiestoclient_totalentities;
 583 //static entity_frame_t sv_writeentitiestoclient_entityframe;
 584 static int sv_writeentitiestoclient_clentnum;
 585 static vec3_t sv_writeentitiestoclient_testeye;
 586 static client_t *sv_writeentitiestoclient_client;
 587
 588 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 589 {
 590         int isbmodel;
 591         vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
 592         model_t *model;
 593         trace_t trace;
 594         if (sententitiesconsideration[s->number] == sententitiesmark)
 595                 return;
 596         sententitiesconsideration[s->number] = sententitiesmark;
 597         // viewmodels don't have visibility checking
 598         if (s->viewmodelforclient)
 599         {
 600                 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
 601                         return;
 602         }
 603         // never reject player
 604         else if (s->number != sv_writeentitiestoclient_clentnum)
 605         {
 606                 // check various rejection conditions
 607                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
 608                         return;
 609                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
 610                         return;
 611                 if (s->effects & EF_NODRAW)
 612                         return;
 613                 // LordHavoc: only send entities with a model or important effects
 614                 if (!s->modelindex && s->specialvisibilityradius == 0)
 615                         return;
 616                 if (s->tagentity)
 617                 {
 618                         // tag attached entities simply check their parent
 619                         if (!sendentitiesindex[s->tagentity])
 620                                 return;
 621                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
 622                         if (sententities[s->tagentity] != sententitiesmark)
 623                                 return;
 624                 }
 625                 // always send world submodels, they don't generate much traffic
 626                 // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
 627                 else if ((!(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') && !(s->effects & EF_NODEPTHTEST)) || sv.protocol == PROTOCOL_QUAKE)
 628                 {
 629                         Mod_CheckLoaded(model);
 630                         // entity has survived every check so far, check if visible
 631                         // enlarged box to account for prediction (not that there is
 632                         // any currently, but still helps the 'run into a room and
 633                         // watch items pop up' problem)
 634                         entmins[0] = s->origin[0] - 32.0f;
 635                         entmins[1] = s->origin[1] - 32.0f;
 636                         entmins[2] = s->origin[2] - 32.0f;
 637                         entmaxs[0] = s->origin[0] + 32.0f;
 638                         entmaxs[1] = s->origin[1] + 32.0f;
 639                         entmaxs[2] = s->origin[2] + 32.0f;
 640                         // using the model's bounding box to ensure things are visible regardless of their physics box
 641                         if (model)
 642                         {
 643                                 if (s->angles[0] || s->angles[2]) // pitch and roll
 644                                 {
 645                                         VectorAdd(entmins, model->rotatedmins, entmins);
 646                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 647                                 }
 648                                 else if (s->angles[1])
 649                                 {
 650                                         VectorAdd(entmins, model->yawmins, entmins);
 651                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 652                                 }
 653                                 else
 654                                 {
 655                                         VectorAdd(entmins, model->normalmins, entmins);
 656                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 657                                 }
 658                         }
 659                         lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
 660                         lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
 661                         lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
 662                         lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
 663                         lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
 664                         lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
 665                         sv_writeentitiestoclient_totalentities++;
 666                         // if not touching a visible leaf
 667                         if (sv_cullentities_pvs.integer && sv_writeentitiestoclient_pvsbytes && sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, lightmins, lightmaxs))
 668                         {
 669                                 sv_writeentitiestoclient_culled_pvs++;
 670                                 return;
 671                         }
 672                         // or not seen by random tracelines
 673                         if (sv_cullentities_trace.integer && !isbmodel)
 674                         {
 675                                 // LordHavoc: test center first
 676                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
 677                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
 678                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
 679                                 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 680                                 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 681                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 682                                 else
 683                                 {
 684                                         // LordHavoc: test random offsets, to maximize chance of detection
 685                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 686                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 687                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 688                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 689                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 690                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 691                                         else
 692                                         {
 693                                                 if (s->specialvisibilityradius)
 694                                                 {
 695                                                         // LordHavoc: test random offsets, to maximize chance of detection
 696                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
 697                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
 698                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
 699                                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 700                                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 701                                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 702                                                 }
 703                                         }
 704                                 }
 705                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
 706                                 {
 707                                         sv_writeentitiestoclient_culled_trace++;
 708                                         return;
 709                                 }
 710                         }
 711                         sv_writeentitiestoclient_visibleentities++;
 712                 }
 713         }
 714         // this just marks it for sending
 715         // FIXME: it would be more efficient to send here, but the entity
 716         // compressor isn't that flexible
 717         sententities[s->number] = sententitiesmark;
 718 }
 719
 720 entity_state_t sendstates[MAX_EDICTS];
 721
 722 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
 723 {
 724         int i, numsendstates;
 725         entity_state_t *s;
 726
 727         // if there isn't enough space to accomplish anything, skip it
 728         if (msg->cursize + 25 > msg->maxsize)
 729                 return;
 730
 731         sv_writeentitiestoclient_client = client;
 732
 733         sv_writeentitiestoclient_culled_pvs = 0;
 734         sv_writeentitiestoclient_culled_trace = 0;
 735         sv_writeentitiestoclient_visibleentities = 0;
 736         sv_writeentitiestoclient_totalentities = 0;
 737
 738         Mod_CheckLoaded(sv.worldmodel);
 739
 740 // find the client's PVS
 741         // the real place being tested from
 742         VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
 743         sv_writeentitiestoclient_pvsbytes = 0;
 744         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
 745                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 746
 747         sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 748
 749         sententitiesmark++;
 750
 751         for (i = 0;i < numsendentities;i++)
 752                 SV_MarkWriteEntityStateToClient(sendentities + i);
 753
 754         numsendstates = 0;
 755         for (i = 0;i < numsendentities;i++)
 756         {
 757                 if (sententities[sendentities[i].number] == sententitiesmark)
 758                 {
 759                         s = &sendstates[numsendstates++];
 760                         *s = sendentities[i];
 761                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
 762                                 s->flags |= RENDER_EXTERIORMODEL;
 763                 }
 764         }
 765
 766         if (sv_cullentities_stats.integer)
 767                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv_writeentitiestoclient_totalentities, sv_writeentitiestoclient_visibleentities, sv_writeentitiestoclient_culled_pvs + sv_writeentitiestoclient_culled_trace, sv_writeentitiestoclient_culled_pvs, sv_writeentitiestoclient_culled_trace);
 768
 769         if (client->entitydatabase5)
 770                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1);
 771         else if (client->entitydatabase4)
 772                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
 773         else if (client->entitydatabase)
 774                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
 775         else
 776                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
 777 }
 778
 779 /*
 780 =============
 781 SV_CleanupEnts
 782
 783 =============
 784 */
 785 void SV_CleanupEnts (void)
 786 {
 787         int             e;
 788         edict_t *ent;
 789
 790         ent = NEXT_EDICT(sv.edicts);
 791         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
 792                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
 793 }
 794
 795 /*
 796 ==================
 797 SV_WriteClientdataToMessage
 798
 799 ==================
 800 */
 801 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
 802 {
 803         int             bits;
 804         int             i;
 805         edict_t *other;
 806         int             items;
 807         eval_t  *val;
 808         vec3_t  punchvector;
 809         qbyte   viewzoom;
 810
 811 //
 812 // send a damage message
 813 //
 814         if (ent->v->dmg_take || ent->v->dmg_save)
 815         {
 816                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
 817                 MSG_WriteByte (msg, svc_damage);
 818                 MSG_WriteByte (msg, ent->v->dmg_save);
 819                 MSG_WriteByte (msg, ent->v->dmg_take);
 820                 for (i=0 ; i<3 ; i++)
 821                         MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
 822
 823                 ent->v->dmg_take = 0;
 824                 ent->v->dmg_save = 0;
 825         }
 826
 827 //
 828 // send the current viewpos offset from the view entity
 829 //
 830         SV_SetIdealPitch ();            // how much to look up / down ideally
 831
 832 // a fixangle might get lost in a dropped packet.  Oh well.
 833         if ( ent->v->fixangle )
 834         {
 835                 MSG_WriteByte (msg, svc_setangle);
 836                 for (i=0 ; i < 3 ; i++)
 837                         MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
 838                 ent->v->fixangle = 0;
 839         }
 840
 841         bits = 0;
 842
 843         if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
 844                 bits |= SU_VIEWHEIGHT;
 845
 846         if (ent->v->idealpitch)
 847                 bits |= SU_IDEALPITCH;
 848
 849 // stuff the sigil bits into the high bits of items for sbar, or else
 850 // mix in items2
 851         val = GETEDICTFIELDVALUE(ent, eval_items2);
 852
 853         if (val)
 854                 items = (int)ent->v->items | ((int)val->_float << 23);
 855         else
 856                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
 857
 858         bits |= SU_ITEMS;
 859
 860         if ( (int)ent->v->flags & FL_ONGROUND)
 861                 bits |= SU_ONGROUND;
 862
 863         if ( ent->v->waterlevel >= 2)
 864                 bits |= SU_INWATER;
 865
 866         // PROTOCOL_DARKPLACES
 867         VectorClear(punchvector);
 868         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
 869                 VectorCopy(val->vector, punchvector);
 870
 871         i = 255;
 872         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
 873         {
 874                 i = val->_float * 255.0f;
 875                 if (i == 0)
 876                         i = 255;
 877                 else
 878                         i = bound(0, i, 65535);
 879         }
 880         viewzoom = i;
 881
 882         // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
 883         if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 884                 if (viewzoom != 255)
 885                         bits |= SU_VIEWZOOM;
 886
 887         for (i=0 ; i<3 ; i++)
 888         {
 889                 if (ent->v->punchangle[i])
 890                         bits |= (SU_PUNCH1<<i);
 891                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 892                         if (punchvector[i])
 893                                 bits |= (SU_PUNCHVEC1<<i);
 894                 if (ent->v->velocity[i])
 895                         bits |= (SU_VELOCITY1<<i);
 896         }
 897
 898         if (ent->v->weaponframe)
 899                 bits |= SU_WEAPONFRAME;
 900
 901         if (ent->v->armorvalue)
 902                 bits |= SU_ARMOR;
 903
 904         bits |= SU_WEAPON;
 905
 906         if (bits >= 65536)
 907                 bits |= SU_EXTEND1;
 908         if (bits >= 16777216)
 909                 bits |= SU_EXTEND2;
 910
 911 // send the data
 912
 913         MSG_WriteByte (msg, svc_clientdata);
 914         MSG_WriteShort (msg, bits);
 915         if (bits & SU_EXTEND1)
 916                 MSG_WriteByte(msg, bits >> 16);
 917         if (bits & SU_EXTEND2)
 918                 MSG_WriteByte(msg, bits >> 24);
 919
 920         if (bits & SU_VIEWHEIGHT)
 921                 MSG_WriteChar (msg, ent->v->view_ofs[2]);
 922
 923         if (bits & SU_IDEALPITCH)
 924                 MSG_WriteChar (msg, ent->v->idealpitch);
 925
 926         for (i=0 ; i<3 ; i++)
 927         {
 928                 if (bits & (SU_PUNCH1<<i))
 929                 {
 930                         if (sv.protocol == PROTOCOL_QUAKE)
 931                                 MSG_WriteChar(msg, ent->v->punchangle[i]);
 932                         else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 933                                 MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
 934                 }
 935                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 936                 {
 937                         if (bits & (SU_PUNCHVEC1<<i))
 938                         {
 939                                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 940                                         MSG_WriteCoord16i(msg, punchvector[i]);
 941                                 else if (sv.protocol == PROTOCOL_DARKPLACES5)
 942                                         MSG_WriteCoord32f(msg, punchvector[i]);
 943                         }
 944                 }
 945                 if (bits & (SU_VELOCITY1<<i))
 946                 {
 947                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 948                                 MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
 949                         else if (sv.protocol == PROTOCOL_DARKPLACES5)
 950                                 MSG_WriteCoord32f(msg, ent->v->velocity[i]);
 951                 }
 952         }
 953
 954 // [always sent]        if (bits & SU_ITEMS)
 955         MSG_WriteLong (msg, items);
 956
 957         if (sv.protocol == PROTOCOL_DARKPLACES5)
 958         {
 959                 if (bits & SU_WEAPONFRAME)
 960                         MSG_WriteShort (msg, ent->v->weaponframe);
 961                 if (bits & SU_ARMOR)
 962                         MSG_WriteShort (msg, ent->v->armorvalue);
 963                 if (bits & SU_WEAPON)
 964                 {
 965                         i = SV_ModelIndex(PR_GetString(ent->v->weaponmodel));
 966                         if (i < 0)
 967                         {
 968                                 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
 969                                 i = 0;
 970                         }
 971                         MSG_WriteShort (msg, i);
 972                 }
 973
 974                 MSG_WriteShort (msg, ent->v->health);
 975                 MSG_WriteShort (msg, ent->v->currentammo);
 976                 MSG_WriteShort (msg, ent->v->ammo_shells);
 977                 MSG_WriteShort (msg, ent->v->ammo_nails);
 978                 MSG_WriteShort (msg, ent->v->ammo_rockets);
 979                 MSG_WriteShort (msg, ent->v->ammo_cells);
 980
 981                 MSG_WriteShort (msg, ent->v->weapon);
 982
 983                 if (bits & SU_VIEWZOOM)
 984                         MSG_WriteShort (msg, viewzoom);
 985         }
 986         else
 987         {
 988                 if (bits & SU_WEAPONFRAME)
 989                         MSG_WriteByte (msg, ent->v->weaponframe);
 990                 if (bits & SU_ARMOR)
 991                         MSG_WriteByte (msg, ent->v->armorvalue);
 992                 if (bits & SU_WEAPON)
 993                 {
 994                         i = SV_ModelIndex(PR_GetString(ent->v->weaponmodel));
 995                         if (i < 0)
 996                         {
 997                                 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
 998                                 i = 0;
 999                         }
1000                         MSG_WriteByte (msg, i);
1001                 }
1002
1003                 MSG_WriteShort (msg, ent->v->health);
1004                 MSG_WriteByte (msg, ent->v->currentammo);
1005                 MSG_WriteByte (msg, ent->v->ammo_shells);
1006                 MSG_WriteByte (msg, ent->v->ammo_nails);
1007                 MSG_WriteByte (msg, ent->v->ammo_rockets);
1008                 MSG_WriteByte (msg, ent->v->ammo_cells);
1009
1010                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1011                 {
1012                         for(i=0;i<32;i++)
1013                         {
1014                                 if ( ((int)ent->v->weapon) & (1<<i) )
1015                                 {
1016                                         MSG_WriteByte (msg, i);
1017                                         break;
1018                                 }
1019                         }
1020                 }
1021                 else
1022                 {
1023                         MSG_WriteByte (msg, ent->v->weapon);
1024                 }
1025
1026                 if (bits & SU_VIEWZOOM)
1027                 {
1028                         if (sv.protocol == PROTOCOL_DARKPLACES4)
1029                         {
1030                                 viewzoom = min(viewzoom, 255);
1031                                 MSG_WriteByte (msg, viewzoom);
1032                         }
1033                         else if (sv.protocol == PROTOCOL_DARKPLACES5)
1034                                 MSG_WriteShort (msg, viewzoom);
1035                 }
1036         }
1037 }
1038
1039 /*
1040 =======================
1041 SV_SendClientDatagram
1042 =======================
1043 */
1044 static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1045 qboolean SV_SendClientDatagram (client_t *client)
1046 {
1047         int rate, maxrate, maxsize, maxsize2;
1048         sizebuf_t msg;
1049
1050         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1051         {
1052                 // for good singleplayer, send huge packets
1053                 maxsize = sizeof(sv_sendclientdatagram_buf);
1054                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1055         }
1056         else if (sv.protocol == PROTOCOL_DARKPLACES5)
1057         {
1058                 // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
1059                 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1060                 if (sv_maxrate.integer != maxrate)
1061                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1062
1063                 rate = bound(NET_MINRATE, client->netconnection->rate, maxrate);
1064                 rate = (int)(client->netconnection->rate * sys_ticrate.value);
1065                 maxsize = bound(100, rate, 1400);
1066                 maxsize2 = 1400;
1067         }
1068         else
1069         {
1070                 // no rate limiting support on older protocols because dp protocols
1071                 // 1-4 kick the client off if they overflow, and quake protocol shows
1072                 // less than the full entity set if rate limited
1073                 maxsize = 1400;
1074                 maxsize2 = 1400;
1075         }
1076
1077         msg.data = sv_sendclientdatagram_buf;
1078         msg.maxsize = maxsize;
1079         msg.cursize = 0;
1080
1081         MSG_WriteByte (&msg, svc_time);
1082         MSG_WriteFloat (&msg, sv.time);
1083
1084         // add the client specific data to the datagram
1085         SV_WriteClientdataToMessage (client->edict, &msg);
1086
1087         SV_WriteEntitiesToClient (client, client->edict, &msg);
1088
1089         // expand packet size to allow effects to go over the rate limit
1090         // (dropping them is FAR too ugly)
1091         msg.maxsize = maxsize2;
1092
1093         // copy the server datagram if there is space
1094         // FIXME: put in delayed queue of effects to send
1095         if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1096                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1097
1098 // send the datagram
1099         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1100         {
1101                 SV_DropClient (true);// if the message couldn't send, kick off
1102                 return false;
1103         }
1104
1105         return true;
1106 }
1107
1108 /*
1109 =======================
1110 SV_UpdateToReliableMessages
1111 =======================
1112 */
1113 void SV_UpdateToReliableMessages (void)
1114 {
1115         int i, j;
1116         client_t *client;
1117         eval_t *val;
1118         char *name;
1119
1120 // check for changes to be sent over the reliable streams
1121         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1122         {
1123                 // update the host_client fields we care about according to the entity fields
1124                 sv_player = EDICT_NUM(i+1);
1125
1126                 // DP_SV_CLIENTNAME
1127                 name = PR_GetString(sv_player->v->netname);
1128                 if (name == NULL)
1129                         name = "";
1130                 // always point the string back at host_client->name to keep it safe
1131                 strlcpy (host_client->name, name, sizeof (host_client->name));
1132                 sv_player->v->netname = PR_SetString(host_client->name);
1133                 if (strcmp(host_client->old_name, host_client->name))
1134                 {
1135                         if (host_client->spawned)
1136                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1137                         strcpy(host_client->old_name, host_client->name);
1138                         // send notification to all clients
1139                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1140                         MSG_WriteByte (&sv.reliable_datagram, host_client->number);
1141                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1142                 }
1143
1144                 // DP_SV_CLIENTCOLORS
1145                 // this is always found (since it's added by the progs loader)
1146                 if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)))
1147                         host_client->colors = (int)val->_float;
1148                 if (host_client->old_colors != host_client->colors)
1149                 {
1150                         host_client->old_colors = host_client->colors;
1151                         // send notification to all clients
1152                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1153                         MSG_WriteByte (&sv.reliable_datagram, host_client->number);
1154                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1155                 }
1156
1157                 // frags
1158                 host_client->frags = (int)sv_player->v->frags;
1159                 if (host_client->old_frags != host_client->frags)
1160                 {
1161                         host_client->old_frags = host_client->frags;
1162                         // send notification to all clients
1163                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1164                         MSG_WriteByte (&sv.reliable_datagram, host_client->number);
1165                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1166                 }
1167         }
1168
1169         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1170                 if (client->netconnection)
1171                         SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1172
1173         SZ_Clear (&sv.reliable_datagram);
1174 }
1175
1176
1177 /*
1178 =======================
1179 SV_SendNop
1180
1181 Send a nop message without trashing or sending the accumulated client
1182 message buffer
1183 =======================
1184 */
1185 void SV_SendNop (client_t *client)
1186 {
1187         sizebuf_t       msg;
1188         qbyte           buf[4];
1189
1190         msg.data = buf;
1191         msg.maxsize = sizeof(buf);
1192         msg.cursize = 0;
1193
1194         MSG_WriteChar (&msg, svc_nop);
1195
1196         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1197                 SV_DropClient (true);   // if the message couldn't send, kick off
1198         client->last_message = realtime;
1199 }
1200
1201 /*
1202 =======================
1203 SV_SendClientMessages
1204 =======================
1205 */
1206 void SV_SendClientMessages (void)
1207 {
1208         int i, prepared = false;
1209
1210 // update frags, names, etc
1211         SV_UpdateToReliableMessages();
1212
1213 // build individual updates
1214         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1215         {
1216                 if (!host_client->active)
1217                         continue;
1218                 if (!host_client->netconnection)
1219                 {
1220                         SZ_Clear(&host_client->message);
1221                         continue;
1222                 }
1223
1224                 if (host_client->deadsocket || host_client->message.overflowed)
1225                 {
1226                         SV_DropClient (true);   // if the message couldn't send, kick off
1227                         continue;
1228                 }
1229
1230                 if (host_client->spawned)
1231                 {
1232                         if (!prepared)
1233                         {
1234                                 prepared = true;
1235                                 // only prepare entities once per frame
1236                                 SV_PrepareEntitiesForSending();
1237                         }
1238                         if (!SV_SendClientDatagram (host_client))
1239                                 continue;
1240                 }
1241                 else
1242                 {
1243                 // the player isn't totally in the game yet
1244                 // send small keepalive messages if too much time has passed
1245                 // send a full message when the next signon stage has been requested
1246                 // some other message data (name changes, etc) may accumulate
1247                 // between signon stages
1248                         if (!host_client->sendsignon)
1249                         {
1250                                 if (realtime - host_client->last_message > 5)
1251                                         SV_SendNop (host_client);
1252                                 continue;       // don't send out non-signon messages
1253                         }
1254                 }
1255
1256                 if (host_client->message.cursize || host_client->dropasap)
1257                 {
1258                         if (!NetConn_CanSendMessage (host_client->netconnection))
1259                                 continue;
1260
1261                         if (host_client->dropasap)
1262                                 SV_DropClient (false);  // went to another level
1263                         else
1264                         {
1265                                 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1266                                         SV_DropClient (true);   // if the message couldn't send, kick off
1267                                 SZ_Clear (&host_client->message);
1268                                 host_client->last_message = realtime;
1269                                 host_client->sendsignon = false;
1270                         }
1271                 }
1272         }
1273
1274 // clear muzzle flashes
1275         SV_CleanupEnts();
1276 }
1277
1278
1279 /*
1280 ==============================================================================
1281
1282 SERVER SPAWNING
1283
1284 ==============================================================================
1285 */
1286
1287 /*
1288 ================
1289 SV_ModelIndex
1290
1291 ================
1292 */
1293 int SV_ModelIndex (const char *name)
1294 {
1295         int i;
1296
1297         if (!name || !name[0])
1298                 return 0;
1299
1300         for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1301                 if (!strcmp(sv.model_precache[i], name))
1302                         return i;
1303         if (i==MAX_MODELS || !sv.model_precache[i])
1304         {
1305                 Con_DPrintf ("SV_ModelIndex: model %s not precached", name);
1306                 return -1;
1307         }
1308         return i;
1309 }
1310
1311 /*
1312 ================
1313 SV_CreateBaseline
1314
1315 ================
1316 */
1317 void SV_CreateBaseline (void)
1318 {
1319         int i, entnum, large;
1320         edict_t *svent;
1321
1322         // LordHavoc: clear *all* states (note just active ones)
1323         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1324         {
1325                 // get the current server version
1326                 svent = EDICT_NUM(entnum);
1327
1328                 // LordHavoc: always clear state values, whether the entity is in use or not
1329                 svent->e->baseline = defaultstate;
1330
1331                 if (svent->e->free)
1332                         continue;
1333                 if (entnum > svs.maxclients && !svent->v->modelindex)
1334                         continue;
1335
1336                 // create entity baseline
1337                 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1338                 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1339                 svent->e->baseline.frame = svent->v->frame;
1340                 svent->e->baseline.skin = svent->v->skin;
1341                 if (entnum > 0 && entnum <= svs.maxclients)
1342                 {
1343                         svent->e->baseline.colormap = entnum;
1344                         i = SV_ModelIndex("progs/player.mdl");
1345                         if (i < 0)
1346                                 i = 0;
1347                         svent->e->baseline.modelindex = i;
1348                 }
1349                 else
1350                 {
1351                         svent->e->baseline.colormap = 0;
1352                         svent->e->baseline.modelindex = svent->v->modelindex;
1353                 }
1354
1355                 large = false;
1356                 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1357                         large = true;
1358
1359                 // add to the message
1360                 if (large)
1361                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1362                 else
1363                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1364                 MSG_WriteShort (&sv.signon, entnum);
1365
1366                 if (large)
1367                 {
1368                         MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1369                         MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1370                 }
1371                 else
1372                 {
1373                         MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1374                         MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1375                 }
1376                 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1377                 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1378                 for (i=0 ; i<3 ; i++)
1379                 {
1380                         MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
1381                         MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
1382                 }
1383         }
1384 }
1385
1386
1387 /*
1388 ================
1389 SV_SendReconnect
1390
1391 Tell all the clients that the server is changing levels
1392 ================
1393 */
1394 void SV_SendReconnect (void)
1395 {
1396         char    data[128];
1397         sizebuf_t       msg;
1398
1399         msg.data = data;
1400         msg.cursize = 0;
1401         msg.maxsize = sizeof(data);
1402
1403         MSG_WriteChar (&msg, svc_stufftext);
1404         MSG_WriteString (&msg, "reconnect\n");
1405         NetConn_SendToAll (&msg, 5);
1406
1407         if (cls.state != ca_dedicated)
1408                 Cmd_ExecuteString ("reconnect\n", src_command);
1409 }
1410
1411
1412 /*
1413 ================
1414 SV_SaveSpawnparms
1415
1416 Grabs the current state of each client for saving across the
1417 transition to another level
1418 ================
1419 */
1420 void SV_SaveSpawnparms (void)
1421 {
1422         int             i, j;
1423
1424         svs.serverflags = pr_global_struct->serverflags;
1425
1426         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1427         {
1428                 if (!host_client->active)
1429                         continue;
1430
1431         // call the progs to get default spawn parms for the new client
1432                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1433                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1434                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1435                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1436         }
1437 }
1438
1439 void SV_IncreaseEdicts(void)
1440 {
1441         int i;
1442         edict_t *ent;
1443         int oldmax_edicts = sv.max_edicts;
1444         void *oldedictsengineprivate = sv.edictsengineprivate;
1445         void *oldedictsfields = sv.edictsfields;
1446         void *oldmoved_edicts = sv.moved_edicts;
1447
1448         if (sv.max_edicts >= MAX_EDICTS)
1449                 return;
1450
1451         // links don't survive the transition, so unlink everything
1452         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1453         {
1454                 if (!ent->e->free)
1455                         SV_UnlinkEdict(sv.edicts + i);
1456                 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1457         }
1458         SV_ClearWorld();
1459
1460         sv.max_edicts   = min(sv.max_edicts + 256, MAX_EDICTS);
1461         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1462         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1463         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1464
1465         memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1466         memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1467
1468         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1469         {
1470                 ent->e = sv.edictsengineprivate + i;
1471                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1472                 // link every entity except world
1473                 if (!ent->e->free)
1474                         SV_LinkEdict(ent, false);
1475         }
1476
1477         Mem_Free(oldedictsengineprivate);
1478         Mem_Free(oldedictsfields);
1479         Mem_Free(oldmoved_edicts);
1480 }
1481
1482 /*
1483 ================
1484 SV_SpawnServer
1485
1486 This is called at the start of each level
1487 ================
1488 */
1489 extern float            scr_centertime_off;
1490
1491 void SV_SpawnServer (const char *server)
1492 {
1493         edict_t *ent;
1494         int i;
1495         qbyte *entities;
1496         model_t *worldmodel;
1497         char modelname[sizeof(sv.modelname)];
1498
1499         Con_DPrintf("SpawnServer: %s\n", server);
1500
1501         snprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1502         worldmodel = Mod_ForName(modelname, false, true, true);
1503         if (!worldmodel || !worldmodel->TraceBox)
1504         {
1505                 Con_Printf("Couldn't load map %s\n", modelname);
1506                 return;
1507         }
1508
1509         // let's not have any servers with no name
1510         if (hostname.string[0] == 0)
1511                 Cvar_Set ("hostname", "UNNAMED");
1512         scr_centertime_off = 0;
1513
1514         svs.changelevel_issued = false;         // now safe to issue another
1515
1516 //
1517 // tell all connected clients that we are going to a new level
1518 //
1519         if (sv.active)
1520                 SV_SendReconnect();
1521         else
1522         {
1523                 // make sure cvars have been checked before opening the ports
1524                 NetConn_ServerFrame();
1525                 NetConn_OpenServerPorts(true);
1526         }
1527
1528 //
1529 // make cvars consistant
1530 //
1531         if (coop.integer)
1532                 Cvar_SetValue ("deathmatch", 0);
1533         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1534
1535         Cvar_SetValue ("skill", (float)current_skill);
1536
1537 //
1538 // set up the new server
1539 //
1540         Host_ClearMemory ();
1541
1542         memset (&sv, 0, sizeof(sv));
1543
1544         strlcpy (sv.name, server, sizeof (sv.name));
1545
1546         // FIXME: cvar
1547         if (!strcasecmp(sv_protocolname.string, "QUAKE"))
1548         {
1549                 sv.protocol = PROTOCOL_QUAKE;
1550                 sv.netquakecompatible = true;
1551         }
1552         else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
1553         {
1554                 sv.protocol = PROTOCOL_QUAKE;
1555                 sv.netquakecompatible = false;
1556         }
1557         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
1558         {
1559                 sv.protocol = PROTOCOL_DARKPLACES1;
1560                 sv.netquakecompatible = false;
1561         }
1562         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
1563         {
1564                 sv.protocol = PROTOCOL_DARKPLACES2;
1565                 sv.netquakecompatible = false;
1566         }
1567         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
1568         {
1569                 sv.protocol = PROTOCOL_DARKPLACES3;
1570                 sv.netquakecompatible = false;
1571         }
1572         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
1573         {
1574                 sv.protocol = PROTOCOL_DARKPLACES4;
1575                 sv.netquakecompatible = false;
1576         }
1577         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
1578         {
1579                 sv.protocol = PROTOCOL_DARKPLACES5;
1580                 sv.netquakecompatible = false;
1581         }
1582         else
1583         {
1584                 sv.protocol = PROTOCOL_DARKPLACES5;
1585                 sv.netquakecompatible = false;
1586                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are QUAKE, QUAKEDP, DARKPLACES1, DARKPLACES2, DARKPLACES3, DARKPLACES4, DARKPLACES5, falling back to DARKPLACES5 protocol\n", sv_protocolname.string);
1587         }
1588
1589 // load progs to get entity field count
1590         PR_LoadProgs ();
1591
1592 // allocate server memory
1593         // start out with just enough room for clients and a reasonable estimate of entities
1594         sv.max_edicts = max(svs.maxclients + 1, 512);
1595         sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1596
1597         // clear the edict memory pool
1598         Mem_EmptyPool(sv_edicts_mempool);
1599         // edict_t structures (hidden from progs)
1600         sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1601         // engine private structures (hidden from progs)
1602         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1603         // progs fields, often accessed by server
1604         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1605         // used by PushMove to move back pushed entities
1606         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1607         for (i = 0;i < sv.max_edicts;i++)
1608         {
1609                 ent = sv.edicts + i;
1610                 ent->e = sv.edictsengineprivate + i;
1611                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1612         }
1613
1614         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1615         sv.datagram.cursize = 0;
1616         sv.datagram.data = sv.datagram_buf;
1617
1618         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1619         sv.reliable_datagram.cursize = 0;
1620         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1621
1622         sv.signon.maxsize = sizeof(sv.signon_buf);
1623         sv.signon.cursize = 0;
1624         sv.signon.data = sv.signon_buf;
1625
1626 // leave slots at start for clients only
1627         sv.num_edicts = svs.maxclients+1;
1628
1629         sv.state = ss_loading;
1630         sv.paused = false;
1631
1632         sv.time = 1.0;
1633
1634         Mod_ClearUsed();
1635         worldmodel->used = true;
1636
1637         strlcpy (sv.name, server, sizeof (sv.name));
1638         strcpy(sv.modelname, modelname);
1639         sv.worldmodel = worldmodel;
1640         sv.models[1] = sv.worldmodel;
1641
1642 //
1643 // clear world interaction links
1644 //
1645         SV_ClearWorld ();
1646
1647         sv.sound_precache[0] = "";
1648
1649         sv.model_precache[0] = "";
1650         sv.model_precache[1] = sv.modelname;
1651         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1652         {
1653                 sv.model_precache[i+1] = localmodels[i];
1654                 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1655         }
1656
1657 //
1658 // load the rest of the entities
1659 //
1660         ent = EDICT_NUM(0);
1661         memset (ent->v, 0, progs->entityfields * 4);
1662         ent->e->free = false;
1663         ent->v->model = PR_SetString(sv.modelname);
1664         ent->v->modelindex = 1;         // world model
1665         ent->v->solid = SOLID_BSP;
1666         ent->v->movetype = MOVETYPE_PUSH;
1667
1668         if (coop.value)
1669                 pr_global_struct->coop = coop.integer;
1670         else
1671                 pr_global_struct->deathmatch = deathmatch.integer;
1672
1673         pr_global_struct->mapname = PR_SetString(sv.name);
1674
1675 // serverflags are for cross level information (sigils)
1676         pr_global_struct->serverflags = svs.serverflags;
1677
1678         // load replacement entity file if found
1679         entities = NULL;
1680         if (sv_entpatch.integer)
1681                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
1682         if (entities)
1683         {
1684                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1685                 ED_LoadFromFile (entities);
1686                 Mem_Free(entities);
1687         }
1688         else
1689                 ED_LoadFromFile (sv.worldmodel->brush.entities);
1690
1691
1692         // LordHavoc: clear world angles (to fix e3m3.bsp)
1693         VectorClear(sv.edicts->v->angles);
1694
1695         sv.active = true;
1696
1697 // all setup is completed, any further precache statements are errors
1698         sv.state = ss_active;
1699
1700 // run two frames to allow everything to settle
1701         for (i = 0;i < 2;i++)
1702         {
1703                 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1704                 SV_Physics ();
1705         }
1706
1707         Mod_PurgeUnused();
1708
1709 // create a baseline for more efficient communications
1710         if (sv.protocol == PROTOCOL_QUAKE)
1711                 SV_CreateBaseline ();
1712
1713 // send serverinfo to all connected clients
1714         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1715                 if (host_client->netconnection)
1716                         SV_SendServerinfo(host_client);
1717
1718         Con_DPrint("Server spawned.\n");
1719         NetConn_Heartbeat (2);
1720 }
1721