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 extern cvar_t sys_ticrate;
  36
  37 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1"};
  38 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1"};
  39 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "1"};
  40 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1"};
  41 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1"};
  42
  43 server_t sv;
  44 server_static_t svs;
  45
  46 static char localmodels[MAX_MODELS][5];                 // inline model names for precache
  47
  48 mempool_t *sv_edicts_mempool = NULL;
  49
  50 //============================================================================
  51
  52 extern void SV_Phys_Init (void);
  53 extern void SV_World_Init (void);
  54 static void SV_SaveEntFile_f(void);
  55
  56 /*
  57 ===============
  58 SV_Init
  59 ===============
  60 */
  61 void SV_Init (void)
  62 {
  63         int i;
  64
  65         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f);
  66         Cvar_RegisterVariable (&sv_maxvelocity);
  67         Cvar_RegisterVariable (&sv_gravity);
  68         Cvar_RegisterVariable (&sv_friction);
  69         Cvar_RegisterVariable (&sv_edgefriction);
  70         Cvar_RegisterVariable (&sv_stopspeed);
  71         Cvar_RegisterVariable (&sv_maxspeed);
  72         Cvar_RegisterVariable (&sv_accelerate);
  73         Cvar_RegisterVariable (&sv_idealpitchscale);
  74         Cvar_RegisterVariable (&sv_aim);
  75         Cvar_RegisterVariable (&sv_nostep);
  76         Cvar_RegisterVariable (&sv_deltacompress);
  77         Cvar_RegisterVariable (&sv_cullentities_pvs);
  78         Cvar_RegisterVariable (&sv_cullentities_trace);
  79         Cvar_RegisterVariable (&sv_cullentities_stats);
  80         Cvar_RegisterVariable (&sv_entpatch);
  81         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
  82         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
  83         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
  84         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
  85         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
  86         Cvar_RegisterVariable (&sv_protocolname);
  87         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
  88         Cvar_RegisterVariable (&sv_maxrate);
  89
  90         SV_Phys_Init();
  91         SV_World_Init();
  92
  93         for (i = 0;i < MAX_MODELS;i++)
  94                 sprintf (localmodels[i], "*%i", i);
  95
  96         sv_edicts_mempool = Mem_AllocPool("server edicts", 0, NULL);
  97 }
  98
  99 static void SV_SaveEntFile_f(void)
 100 {
 101         char basename[MAX_QPATH];
 102         if (!sv.active || !sv.worldmodel)
 103         {
 104                 Con_Print("Not running a server\n");
 105                 return;
 106         }
 107         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 108         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, strlen(sv.worldmodel->brush.entities));
 109 }
 110
 111 /*
 112 =============================================================================
 113
 114 EVENT MESSAGES
 115
 116 =============================================================================
 117 */
 118
 119 /*
 120 ==================
 121 SV_StartParticle
 122
 123 Make sure the event gets sent to all clients
 124 ==================
 125 */
 126 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 127 {
 128         int             i, v;
 129
 130         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 131                 return;
 132         MSG_WriteByte (&sv.datagram, svc_particle);
 133         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 134         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 135         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 136         for (i=0 ; i<3 ; i++)
 137         {
 138                 v = dir[i]*16;
 139                 if (v > 127)
 140                         v = 127;
 141                 else if (v < -128)
 142                         v = -128;
 143                 MSG_WriteChar (&sv.datagram, v);
 144         }
 145         MSG_WriteByte (&sv.datagram, count);
 146         MSG_WriteByte (&sv.datagram, color);
 147 }
 148
 149 /*
 150 ==================
 151 SV_StartEffect
 152
 153 Make sure the event gets sent to all clients
 154 ==================
 155 */
 156 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 157 {
 158         if (modelindex >= 256 || startframe >= 256)
 159         {
 160                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 161                         return;
 162                 MSG_WriteByte (&sv.datagram, svc_effect2);
 163                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 164                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 165                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 166                 MSG_WriteShort (&sv.datagram, modelindex);
 167                 MSG_WriteShort (&sv.datagram, startframe);
 168                 MSG_WriteByte (&sv.datagram, framecount);
 169                 MSG_WriteByte (&sv.datagram, framerate);
 170         }
 171         else
 172         {
 173                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 174                         return;
 175                 MSG_WriteByte (&sv.datagram, svc_effect);
 176                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 177                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 178                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 179                 MSG_WriteByte (&sv.datagram, modelindex);
 180                 MSG_WriteByte (&sv.datagram, startframe);
 181                 MSG_WriteByte (&sv.datagram, framecount);
 182                 MSG_WriteByte (&sv.datagram, framerate);
 183         }
 184 }
 185
 186 /*
 187 ==================
 188 SV_StartSound
 189
 190 Each entity can have eight independant sound sources, like voice,
 191 weapon, feet, etc.
 192
 193 Channel 0 is an auto-allocate channel, the others override anything
 194 already running on that entity/channel pair.
 195
 196 An attenuation of 0 will play full volume everywhere in the level.
 197 Larger attenuations will drop off.  (max 4 attenuation)
 198
 199 ==================
 200 */
 201 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
 202 {
 203         int sound_num, field_mask, i, ent;
 204
 205         if (volume < 0 || volume > 255)
 206                 Host_Error ("SV_StartSound: volume = %i", volume);
 207
 208         if (attenuation < 0 || attenuation > 4)
 209                 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
 210
 211         if (channel < 0 || channel > 7)
 212                 Host_Error ("SV_StartSound: channel = %i", channel);
 213
 214         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 215                 return;
 216
 217 // find precache number for sound
 218         for (sound_num=1 ; sound_num<MAX_SOUNDS && sv.sound_precache[sound_num] ; sound_num++)
 219                 if (!strcmp(sample, sv.sound_precache[sound_num]))
 220                         break;
 221
 222         if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
 223         {
 224                 Con_Printf("SV_StartSound: %s not precached\n", sample);
 225                 return;
 226         }
 227
 228         ent = NUM_FOR_EDICT(entity);
 229
 230         field_mask = 0;
 231         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 232                 field_mask |= SND_VOLUME;
 233         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 234                 field_mask |= SND_ATTENUATION;
 235         if (ent >= 8192)
 236                 field_mask |= SND_LARGEENTITY;
 237         if (sound_num >= 256 || channel >= 8)
 238                 field_mask |= SND_LARGESOUND;
 239
 240 // directed messages go only to the entity they are targeted on
 241         MSG_WriteByte (&sv.datagram, svc_sound);
 242         MSG_WriteByte (&sv.datagram, field_mask);
 243         if (field_mask & SND_VOLUME)
 244                 MSG_WriteByte (&sv.datagram, volume);
 245         if (field_mask & SND_ATTENUATION)
 246                 MSG_WriteByte (&sv.datagram, attenuation*64);
 247         if (field_mask & SND_LARGEENTITY)
 248         {
 249                 MSG_WriteShort (&sv.datagram, ent);
 250                 MSG_WriteByte (&sv.datagram, channel);
 251         }
 252         else
 253                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 254         if (field_mask & SND_LARGESOUND)
 255                 MSG_WriteShort (&sv.datagram, sound_num);
 256         else
 257                 MSG_WriteByte (&sv.datagram, sound_num);
 258         for (i = 0;i < 3;i++)
 259                 MSG_WriteCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]), sv.protocol);
 260 }
 261
 262 /*
 263 ==============================================================================
 264
 265 CLIENT SPAWNING
 266
 267 ==============================================================================
 268 */
 269
 270 /*
 271 ================
 272 SV_SendServerinfo
 273
 274 Sends the first message from the server to a connected client.
 275 This will be sent on the initial connection and upon each server load.
 276 ================
 277 */
 278 void SV_SendServerinfo (client_t *client)
 279 {
 280         char                    **s;
 281         char                    message[128];
 282
 283         // edicts get reallocated on level changes, so we need to update it here
 284         client->edict = EDICT_NUM((client - svs.clients) + 1);
 285
 286
 287         // LordHavoc: clear entityframe tracking
 288
 289         if (client->entitydatabase)
 290                 EntityFrame_FreeDatabase(client->entitydatabase);
 291         if (client->entitydatabase4)
 292                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 293         if (client->entitydatabase5)
 294                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 295
 296         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 297                 client->entitydatabase = EntityFrame_AllocDatabase(sv_clients_mempool);
 298         if (sv.protocol == PROTOCOL_DARKPLACES4)
 299                 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
 300         if (sv.protocol == PROTOCOL_DARKPLACES5)
 301                 client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_clients_mempool);
 302
 303         MSG_WriteByte (&client->message, svc_print);
 304         snprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
 305         MSG_WriteString (&client->message,message);
 306
 307         MSG_WriteByte (&client->message, svc_serverinfo);
 308         MSG_WriteLong (&client->message, sv.protocol);
 309         MSG_WriteByte (&client->message, svs.maxclients);
 310
 311         if (!coop.integer && deathmatch.integer)
 312                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
 313         else
 314                 MSG_WriteByte (&client->message, GAME_COOP);
 315
 316         MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
 317
 318         for (s = sv.model_precache+1 ; *s ; s++)
 319                 MSG_WriteString (&client->message, *s);
 320         MSG_WriteByte (&client->message, 0);
 321
 322         for (s = sv.sound_precache+1 ; *s ; s++)
 323                 MSG_WriteString (&client->message, *s);
 324         MSG_WriteByte (&client->message, 0);
 325
 326 // send music
 327         MSG_WriteByte (&client->message, svc_cdtrack);
 328         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 329         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 330
 331 // set view
 332         MSG_WriteByte (&client->message, svc_setview);
 333         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
 334
 335         MSG_WriteByte (&client->message, svc_signonnum);
 336         MSG_WriteByte (&client->message, 1);
 337
 338         client->sendsignon = true;
 339         client->spawned = false;                // need prespawn, spawn, etc
 340 }
 341
 342 /*
 343 ================
 344 SV_ConnectClient
 345
 346 Initializes a client_t for a new net connection.  This will only be called
 347 once for a player each game, not once for each level change.
 348 ================
 349 */
 350 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 351 {
 352         client_t                *client;
 353         int                             i;
 354         float                   spawn_parms[NUM_SPAWN_PARMS];
 355
 356         client = svs.clients + clientnum;
 357
 358 // set up the client_t
 359         if (sv.loadgame)
 360                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 361         memset (client, 0, sizeof(*client));
 362         client->active = true;
 363         client->netconnection = netconnection;
 364
 365         Con_DPrintf("Client %s connected\n", client->netconnection->address);
 366
 367         strcpy(client->name, "unconnected");
 368         strcpy(client->old_name, "unconnected");
 369         client->spawned = false;
 370         client->edict = EDICT_NUM(clientnum+1);
 371         client->message.data = client->msgbuf;
 372         client->message.maxsize = sizeof(client->msgbuf);
 373         client->message.allowoverflow = true;           // we can catch it
 374
 375         if (sv.loadgame)
 376                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 377         else
 378         {
 379                 // call the progs to get default spawn parms for the new client
 380                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
 381                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 382                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
 383         }
 384
 385         SV_SendServerinfo (client);
 386 }
 387
 388
 389 /*
 390 ===============================================================================
 391
 392 FRAME UPDATES
 393
 394 ===============================================================================
 395 */
 396
 397 /*
 398 ==================
 399 SV_ClearDatagram
 400
 401 ==================
 402 */
 403 void SV_ClearDatagram (void)
 404 {
 405         SZ_Clear (&sv.datagram);
 406 }
 407
 408 /*
 409 =============================================================================
 410
 411 The PVS must include a small area around the client to allow head bobbing
 412 or other small motion on the client side.  Otherwise, a bob might cause an
 413 entity that should be visible to not show up, especially when the bob
 414 crosses a waterline.
 415
 416 =============================================================================
 417 */
 418
 419 int sv_writeentitiestoclient_pvsbytes;
 420 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
 421
 422 static int numsendentities;
 423 static entity_state_t sendentities[MAX_EDICTS];
 424 static entity_state_t *sendentitiesindex[MAX_EDICTS];
 425
 426 void SV_PrepareEntitiesForSending(void)
 427 {
 428         int e, i;
 429         float f;
 430         edict_t *ent;
 431         entity_state_t cs;
 432         // send all entities that touch the pvs
 433         numsendentities = 0;
 434         sendentitiesindex[0] = NULL;
 435         for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 436         {
 437                 sendentitiesindex[e] = NULL;
 438                 if (ent->e->free)
 439                         continue;
 440
 441                 cs = defaultstate;
 442                 cs.active = true;
 443                 cs.number = e;
 444                 VectorCopy(ent->v->origin, cs.origin);
 445                 VectorCopy(ent->v->angles, cs.angles);
 446                 cs.flags = 0;
 447                 cs.effects = (int)ent->v->effects;
 448                 cs.colormap = (qbyte)ent->v->colormap;
 449                 cs.skin = (qbyte)ent->v->skin;
 450                 cs.frame = (qbyte)ent->v->frame;
 451                 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
 452                 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
 453                 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
 454                 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
 455                 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
 456                 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
 457                 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
 458                 cs.glowsize = (qbyte)bound(0, i, 255);
 459                 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
 460                         cs.flags |= RENDER_GLOWTRAIL;
 461
 462                 cs.modelindex = 0;
 463                 i = (int)ent->v->modelindex;
 464                 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
 465                         cs.modelindex = i;
 466
 467                 cs.alpha = 255;
 468                 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
 469                 if (f)
 470                 {
 471                         i = (int)f;
 472                         cs.alpha = (qbyte)bound(0, i, 255);
 473                 }
 474                 // halflife
 475                 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
 476                 if (f)
 477                 {
 478                         i = (int)f;
 479                         cs.alpha = (qbyte)bound(0, i, 255);
 480                 }
 481
 482                 cs.scale = 16;
 483                 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
 484                 if (f)
 485                 {
 486                         i = (int)f;
 487                         cs.scale = (qbyte)bound(0, i, 255);
 488                 }
 489
 490                 cs.glowcolor = 254;
 491                 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
 492                 if (f)
 493                         cs.glowcolor = (int)f;
 494
 495                 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
 496                         cs.effects |= EF_FULLBRIGHT;
 497
 498                 if (ent->v->movetype == MOVETYPE_STEP)
 499                         cs.flags |= RENDER_STEP;
 500                 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)
 501                         cs.flags |= RENDER_LOWPRECISION;
 502                 if (ent->v->colormap >= 1024)
 503                         cs.flags |= RENDER_COLORMAPPED;
 504                 if (cs.viewmodelforclient)
 505                         cs.flags |= RENDER_VIEWMODEL; // show relative to the view
 506
 507                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
 508                 cs.light[0] = (unsigned short)bound(0, f, 65535);
 509                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
 510                 cs.light[1] = (unsigned short)bound(0, f, 65535);
 511                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
 512                 cs.light[2] = (unsigned short)bound(0, f, 65535);
 513                 f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
 514                 cs.light[3] = (unsigned short)bound(0, f, 65535);
 515                 cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
 516                 cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
 517
 518                 if (gamemode == GAME_TENEBRAE)
 519                 {
 520                         // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
 521                         if (cs.effects & 16)
 522                         {
 523                                 cs.effects &= ~16;
 524                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 525                         }
 526                         // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
 527                         if (cs.effects & 32)
 528                         {
 529                                 cs.effects &= ~32;
 530                                 cs.light[0] = 0.2;
 531                                 cs.light[1] = 1;
 532                                 cs.light[2] = 0.2;
 533                                 cs.light[3] = 200;
 534                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 535                         }
 536                 }
 537
 538                 cs.specialvisibilityradius = 0;
 539                 if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
 540                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
 541                 if (cs.glowsize)
 542                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
 543                 if (cs.flags & RENDER_GLOWTRAIL)
 544                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 545                 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 546                 {
 547                         if (cs.effects & EF_BRIGHTFIELD)
 548                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
 549                         if (cs.effects & EF_MUZZLEFLASH)
 550                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 551                         if (cs.effects & EF_BRIGHTLIGHT)
 552                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
 553                         if (cs.effects & EF_DIMLIGHT)
 554                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 555                         if (cs.effects & EF_RED)
 556                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 557                         if (cs.effects & EF_BLUE)
 558                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 559                         if (cs.effects & EF_FLAME)
 560                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
 561                         if (cs.effects & EF_STARDUST)
 562                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 563                 }
 564
 565                 if (numsendentities >= MAX_EDICTS)
 566                         continue;
 567                 // we can omit invisible entities with no effects that are not clients
 568                 // LordHavoc: this could kill tags attached to an invisible entity, I
 569                 // just hope we never have to support that case
 570                 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
 571                         continue;
 572                 sendentitiesindex[e] = sendentities + numsendentities;
 573                 sendentities[numsendentities++] = cs;
 574         }
 575 }
 576
 577 static int sententitiesmark = 0;
 578 static int sententities[MAX_EDICTS];
 579 static int sententitiesconsideration[MAX_EDICTS];
 580 static int sv_writeentitiestoclient_culled_pvs;
 581 static int sv_writeentitiestoclient_culled_trace;
 582 static int sv_writeentitiestoclient_visibleentities;
 583 static int sv_writeentitiestoclient_totalentities;
 584 //static entity_frame_t sv_writeentitiestoclient_entityframe;
 585 static int sv_writeentitiestoclient_clentnum;
 586 static vec3_t sv_writeentitiestoclient_testeye;
 587 static client_t *sv_writeentitiestoclient_client;
 588
 589 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 590 {
 591         int isbmodel;
 592         vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
 593         model_t *model;
 594         trace_t trace;
 595         if (sententitiesconsideration[s->number] == sententitiesmark)
 596                 return;
 597         sententitiesconsideration[s->number] = sententitiesmark;
 598         // viewmodels don't have visibility checking
 599         if (s->viewmodelforclient)
 600         {
 601                 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
 602                         return;
 603         }
 604         // never reject player
 605         else if (s->number != sv_writeentitiestoclient_clentnum)
 606         {
 607                 // check various rejection conditions
 608                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
 609                         return;
 610                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
 611                         return;
 612                 if (s->effects & EF_NODRAW)
 613                         return;
 614                 // LordHavoc: only send entities with a model or important effects
 615                 if (!s->modelindex && s->specialvisibilityradius == 0)
 616                         return;
 617                 if (s->tagentity)
 618                 {
 619                         // tag attached entities simply check their parent
 620                         if (!sendentitiesindex[s->tagentity])
 621                                 return;
 622                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
 623                         if (sententities[s->tagentity] != sententitiesmark)
 624                                 return;
 625                 }
 626                 // always send world submodels, they don't generate much traffic
 627                 // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
 628                 else if ((!(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') && !(s->effects & EF_NODEPTHTEST)) || sv.protocol == PROTOCOL_QUAKE)
 629                 {
 630                         Mod_CheckLoaded(model);
 631                         // entity has survived every check so far, check if visible
 632                         // enlarged box to account for prediction (not that there is
 633                         // any currently, but still helps the 'run into a room and
 634                         // watch items pop up' problem)
 635                         entmins[0] = s->origin[0] - 32.0f;
 636                         entmins[1] = s->origin[1] - 32.0f;
 637                         entmins[2] = s->origin[2] - 32.0f;
 638                         entmaxs[0] = s->origin[0] + 32.0f;
 639                         entmaxs[1] = s->origin[1] + 32.0f;
 640                         entmaxs[2] = s->origin[2] + 32.0f;
 641                         // using the model's bounding box to ensure things are visible regardless of their physics box
 642                         if (model)
 643                         {
 644                                 if (s->angles[0] || s->angles[2]) // pitch and roll
 645                                 {
 646                                         VectorAdd(entmins, model->rotatedmins, entmins);
 647                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 648                                 }
 649                                 else if (s->angles[1])
 650                                 {
 651                                         VectorAdd(entmins, model->yawmins, entmins);
 652                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 653                                 }
 654                                 else
 655                                 {
 656                                         VectorAdd(entmins, model->normalmins, entmins);
 657                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 658                                 }
 659                         }
 660                         lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
 661                         lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
 662                         lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
 663                         lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
 664                         lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
 665                         lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
 666                         sv_writeentitiestoclient_totalentities++;
 667                         // if not touching a visible leaf
 668                         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))
 669                         {
 670                                 sv_writeentitiestoclient_culled_pvs++;
 671                                 return;
 672                         }
 673                         // or not seen by random tracelines
 674                         if (sv_cullentities_trace.integer && !isbmodel)
 675                         {
 676                                 // LordHavoc: test center first
 677                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
 678                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
 679                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
 680                                 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 681                                 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 682                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 683                                 else
 684                                 {
 685                                         // LordHavoc: test random offsets, to maximize chance of detection
 686                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 687                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 688                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 689                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 690                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 691                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 692                                         else
 693                                         {
 694                                                 if (s->specialvisibilityradius)
 695                                                 {
 696                                                         // LordHavoc: test random offsets, to maximize chance of detection
 697                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
 698                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
 699                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
 700                                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 701                                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 702                                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 703                                                 }
 704                                         }
 705                                 }
 706                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
 707                                 {
 708                                         sv_writeentitiestoclient_culled_trace++;
 709                                         return;
 710                                 }
 711                         }
 712                         sv_writeentitiestoclient_visibleentities++;
 713                 }
 714         }
 715         // this just marks it for sending
 716         // FIXME: it would be more efficient to send here, but the entity
 717         // compressor isn't that flexible
 718         sententities[s->number] = sententitiesmark;
 719 }
 720
 721 entity_state_t sendstates[MAX_EDICTS];
 722
 723 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
 724 {
 725         int i, numsendstates;
 726         entity_state_t *s;
 727
 728         // if there isn't enough space to accomplish anything, skip it
 729         if (msg->cursize + 25 > msg->maxsize)
 730                 return;
 731
 732         sv_writeentitiestoclient_client = client;
 733
 734         sv_writeentitiestoclient_culled_pvs = 0;
 735         sv_writeentitiestoclient_culled_trace = 0;
 736         sv_writeentitiestoclient_visibleentities = 0;
 737         sv_writeentitiestoclient_totalentities = 0;
 738
 739         Mod_CheckLoaded(sv.worldmodel);
 740
 741 // find the client's PVS
 742         // the real place being tested from
 743         VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
 744         sv_writeentitiestoclient_pvsbytes = 0;
 745         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
 746                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 747
 748         sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 749
 750         sententitiesmark++;
 751
 752         for (i = 0;i < numsendentities;i++)
 753                 SV_MarkWriteEntityStateToClient(sendentities + i);
 754
 755         numsendstates = 0;
 756         for (i = 0;i < numsendentities;i++)
 757         {
 758                 if (sententities[sendentities[i].number] == sententitiesmark)
 759                 {
 760                         s = &sendstates[numsendstates++];
 761                         *s = sendentities[i];
 762                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
 763                                 s->flags |= RENDER_EXTERIORMODEL;
 764                 }
 765         }
 766
 767         if (sv_cullentities_stats.integer)
 768                 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);
 769
 770         if (client->entitydatabase5)
 771                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1);
 772         else if (client->entitydatabase4)
 773                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
 774         else if (client->entitydatabase)
 775                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
 776         else
 777                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
 778 }
 779
 780 /*
 781 =============
 782 SV_CleanupEnts
 783
 784 =============
 785 */
 786 void SV_CleanupEnts (void)
 787 {
 788         int             e;
 789         edict_t *ent;
 790
 791         ent = NEXT_EDICT(sv.edicts);
 792         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
 793                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
 794 }
 795
 796 /*
 797 ==================
 798 SV_WriteClientdataToMessage
 799
 800 ==================
 801 */
 802 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
 803 {
 804         int             bits;
 805         int             i;
 806         edict_t *other;
 807         int             items;
 808         eval_t  *val;
 809         vec3_t  punchvector;
 810         qbyte   viewzoom;
 811
 812 //
 813 // send a damage message
 814 //
 815         if (ent->v->dmg_take || ent->v->dmg_save)
 816         {
 817                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
 818                 MSG_WriteByte (msg, svc_damage);
 819                 MSG_WriteByte (msg, ent->v->dmg_save);
 820                 MSG_WriteByte (msg, ent->v->dmg_take);
 821                 for (i=0 ; i<3 ; i++)
 822                         MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
 823
 824                 ent->v->dmg_take = 0;
 825                 ent->v->dmg_save = 0;
 826         }
 827
 828 //
 829 // send the current viewpos offset from the view entity
 830 //
 831         SV_SetIdealPitch ();            // how much to look up / down ideally
 832
 833 // a fixangle might get lost in a dropped packet.  Oh well.
 834         if ( ent->v->fixangle )
 835         {
 836                 MSG_WriteByte (msg, svc_setangle);
 837                 for (i=0 ; i < 3 ; i++)
 838                         MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
 839                 ent->v->fixangle = 0;
 840         }
 841
 842         bits = 0;
 843
 844         if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
 845                 bits |= SU_VIEWHEIGHT;
 846
 847         if (ent->v->idealpitch)
 848                 bits |= SU_IDEALPITCH;
 849
 850 // stuff the sigil bits into the high bits of items for sbar, or else
 851 // mix in items2
 852         val = GETEDICTFIELDVALUE(ent, eval_items2);
 853
 854         if (val)
 855                 items = (int)ent->v->items | ((int)val->_float << 23);
 856         else
 857                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
 858
 859         bits |= SU_ITEMS;
 860
 861         if ( (int)ent->v->flags & FL_ONGROUND)
 862                 bits |= SU_ONGROUND;
 863
 864         if ( ent->v->waterlevel >= 2)
 865                 bits |= SU_INWATER;
 866
 867         // PROTOCOL_DARKPLACES
 868         VectorClear(punchvector);
 869         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
 870                 VectorCopy(val->vector, punchvector);
 871
 872         i = 255;
 873         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
 874         {
 875                 i = val->_float * 255.0f;
 876                 if (i == 0)
 877                         i = 255;
 878                 else
 879                         i = bound(0, i, 65535);
 880         }
 881         viewzoom = i;
 882
 883         // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
 884         if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 885                 if (viewzoom != 255)
 886                         bits |= SU_VIEWZOOM;
 887
 888         for (i=0 ; i<3 ; i++)
 889         {
 890                 if (ent->v->punchangle[i])
 891                         bits |= (SU_PUNCH1<<i);
 892                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 893                         if (punchvector[i])
 894                                 bits |= (SU_PUNCHVEC1<<i);
 895                 if (ent->v->velocity[i])
 896                         bits |= (SU_VELOCITY1<<i);
 897         }
 898
 899         if (ent->v->weaponframe)
 900                 bits |= SU_WEAPONFRAME;
 901
 902         if (ent->v->armorvalue)
 903                 bits |= SU_ARMOR;
 904
 905         bits |= SU_WEAPON;
 906
 907         if (bits >= 65536)
 908                 bits |= SU_EXTEND1;
 909         if (bits >= 16777216)
 910                 bits |= SU_EXTEND2;
 911
 912 // send the data
 913
 914         MSG_WriteByte (msg, svc_clientdata);
 915         MSG_WriteShort (msg, bits);
 916         if (bits & SU_EXTEND1)
 917                 MSG_WriteByte(msg, bits >> 16);
 918         if (bits & SU_EXTEND2)
 919                 MSG_WriteByte(msg, bits >> 24);
 920
 921         if (bits & SU_VIEWHEIGHT)
 922                 MSG_WriteChar (msg, ent->v->view_ofs[2]);
 923
 924         if (bits & SU_IDEALPITCH)
 925                 MSG_WriteChar (msg, ent->v->idealpitch);
 926
 927         for (i=0 ; i<3 ; i++)
 928         {
 929                 if (bits & (SU_PUNCH1<<i))
 930                 {
 931                         if (sv.protocol == PROTOCOL_QUAKE)
 932                                 MSG_WriteChar(msg, ent->v->punchangle[i]);
 933                         else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 934                                 MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
 935                 }
 936                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 937                 {
 938                         if (bits & (SU_PUNCHVEC1<<i))
 939                         {
 940                                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 941                                         MSG_WriteCoord16i(msg, punchvector[i]);
 942                                 else if (sv.protocol == PROTOCOL_DARKPLACES5)
 943                                         MSG_WriteCoord32f(msg, punchvector[i]);
 944                         }
 945                 }
 946                 if (bits & (SU_VELOCITY1<<i))
 947                 {
 948                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 949                                 MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
 950                         else if (sv.protocol == PROTOCOL_DARKPLACES5)
 951                                 MSG_WriteCoord32f(msg, ent->v->velocity[i]);
 952                 }
 953         }
 954
 955 // [always sent]        if (bits & SU_ITEMS)
 956         MSG_WriteLong (msg, items);
 957
 958         if (sv.protocol == PROTOCOL_DARKPLACES5)
 959         {
 960                 if (bits & SU_WEAPONFRAME)
 961                         MSG_WriteShort (msg, ent->v->weaponframe);
 962                 if (bits & SU_ARMOR)
 963                         MSG_WriteShort (msg, ent->v->armorvalue);
 964                 if (bits & SU_WEAPON)
 965                 {
 966                         i = SV_ModelIndex(PR_GetString(ent->v->weaponmodel));
 967                         if (i < 0)
 968                         {
 969                                 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
 970                                 i = 0;
 971                         }
 972                         MSG_WriteShort (msg, i);
 973                 }
 974
 975                 MSG_WriteShort (msg, ent->v->health);
 976                 MSG_WriteShort (msg, ent->v->currentammo);
 977                 MSG_WriteShort (msg, ent->v->ammo_shells);
 978                 MSG_WriteShort (msg, ent->v->ammo_nails);
 979                 MSG_WriteShort (msg, ent->v->ammo_rockets);
 980                 MSG_WriteShort (msg, ent->v->ammo_cells);
 981
 982                 MSG_WriteShort (msg, ent->v->weapon);
 983
 984                 if (bits & SU_VIEWZOOM)
 985                         MSG_WriteShort (msg, viewzoom);
 986         }
 987         else
 988         {
 989                 if (bits & SU_WEAPONFRAME)
 990                         MSG_WriteByte (msg, ent->v->weaponframe);
 991                 if (bits & SU_ARMOR)
 992                         MSG_WriteByte (msg, ent->v->armorvalue);
 993                 if (bits & SU_WEAPON)
 994                 {
 995                         i = SV_ModelIndex(PR_GetString(ent->v->weaponmodel));
 996                         if (i < 0)
 997                         {
 998                                 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
 999                                 i = 0;
1000                         }
1001                         MSG_WriteByte (msg, i);
1002                 }
1003
1004                 MSG_WriteShort (msg, ent->v->health);
1005                 MSG_WriteByte (msg, ent->v->currentammo);
1006                 MSG_WriteByte (msg, ent->v->ammo_shells);
1007                 MSG_WriteByte (msg, ent->v->ammo_nails);
1008                 MSG_WriteByte (msg, ent->v->ammo_rockets);
1009                 MSG_WriteByte (msg, ent->v->ammo_cells);
1010
1011                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1012                 {
1013                         for(i=0;i<32;i++)
1014                         {
1015                                 if ( ((int)ent->v->weapon) & (1<<i) )
1016                                 {
1017                                         MSG_WriteByte (msg, i);
1018                                         break;
1019                                 }
1020                         }
1021                 }
1022                 else
1023                 {
1024                         MSG_WriteByte (msg, ent->v->weapon);
1025                 }
1026
1027                 if (bits & SU_VIEWZOOM)
1028                 {
1029                         if (sv.protocol == PROTOCOL_DARKPLACES4)
1030                         {
1031                                 viewzoom = min(viewzoom, 255);
1032                                 MSG_WriteByte (msg, viewzoom);
1033                         }
1034                         else if (sv.protocol == PROTOCOL_DARKPLACES5)
1035                                 MSG_WriteShort (msg, viewzoom);
1036                 }
1037         }
1038 }
1039
1040 /*
1041 =======================
1042 SV_SendClientDatagram
1043 =======================
1044 */
1045 static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1046 qboolean SV_SendClientDatagram (client_t *client)
1047 {
1048         int rate, maxrate, maxsize, maxsize2;
1049         sizebuf_t msg;
1050
1051         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1052         {
1053                 // for good singleplayer, send huge packets
1054                 maxsize = sizeof(sv_sendclientdatagram_buf);
1055                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1056         }
1057         else if (sv.protocol == PROTOCOL_DARKPLACES5)
1058         {
1059                 // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
1060                 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1061                 if (sv_maxrate.integer != maxrate)
1062                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1063
1064                 rate = bound(NET_MINRATE, client->netconnection->rate, maxrate);
1065                 rate = (int)(client->netconnection->rate * sys_ticrate.value);
1066                 maxsize = bound(100, rate, 1400);
1067                 maxsize2 = 1400;
1068         }
1069         else
1070         {
1071                 // no rate limiting support on older protocols because dp protocols
1072                 // 1-4 kick the client off if they overflow, and quake protocol shows
1073                 // less than the full entity set if rate limited
1074                 maxsize = 1400;
1075                 maxsize2 = 1400;
1076         }
1077
1078         msg.data = sv_sendclientdatagram_buf;
1079         msg.maxsize = maxsize;
1080         msg.cursize = 0;
1081
1082         MSG_WriteByte (&msg, svc_time);
1083         MSG_WriteFloat (&msg, sv.time);
1084
1085         // add the client specific data to the datagram
1086         SV_WriteClientdataToMessage (client->edict, &msg);
1087
1088         SV_WriteEntitiesToClient (client, client->edict, &msg);
1089
1090         // expand packet size to allow effects to go over the rate limit
1091         // (dropping them is FAR too ugly)
1092         msg.maxsize = maxsize2;
1093
1094         // copy the server datagram if there is space
1095         // FIXME: put in delayed queue of effects to send
1096         if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1097                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1098
1099 // send the datagram
1100         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1101         {
1102                 SV_DropClient (true);// if the message couldn't send, kick off
1103                 return false;
1104         }
1105
1106         return true;
1107 }
1108
1109 /*
1110 =======================
1111 SV_UpdateToReliableMessages
1112 =======================
1113 */
1114 void SV_UpdateToReliableMessages (void)
1115 {
1116         int i, j;
1117         client_t *client;
1118         eval_t *val;
1119         char *name;
1120
1121 // check for changes to be sent over the reliable streams
1122         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1123         {
1124                 // update the host_client fields we care about according to the entity fields
1125                 sv_player = EDICT_NUM(i+1);
1126
1127                 // DP_SV_CLIENTNAME
1128                 name = PR_GetString(sv_player->v->netname);
1129                 if (name == NULL)
1130                         name = "";
1131                 // always point the string back at host_client->name to keep it safe
1132                 strlcpy (host_client->name, name, sizeof (host_client->name));
1133                 sv_player->v->netname = PR_SetString(host_client->name);
1134                 if (strcmp(host_client->old_name, host_client->name))
1135                 {
1136                         if (host_client->spawned)
1137                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1138                         strcpy(host_client->old_name, host_client->name);
1139                         // send notification to all clients
1140                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1141                         MSG_WriteByte (&sv.reliable_datagram, i);
1142                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1143                 }
1144
1145                 // DP_SV_CLIENTCOLORS
1146                 // this is always found (since it's added by the progs loader)
1147                 if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)))
1148                         host_client->colors = (int)val->_float;
1149                 if (host_client->old_colors != host_client->colors)
1150                 {
1151                         host_client->old_colors = host_client->colors;
1152                         // send notification to all clients
1153                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1154                         MSG_WriteByte (&sv.reliable_datagram, i);
1155                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1156                 }
1157
1158                 // frags
1159                 host_client->frags = (int)sv_player->v->frags;
1160                 if (host_client->old_frags != host_client->frags)
1161                 {
1162                         host_client->old_frags = host_client->frags;
1163                         // send notification to all clients
1164                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1165                         MSG_WriteByte (&sv.reliable_datagram, i);
1166                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1167                 }
1168         }
1169
1170         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1171                 if (client->netconnection)
1172                         SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1173
1174         SZ_Clear (&sv.reliable_datagram);
1175 }
1176
1177
1178 /*
1179 =======================
1180 SV_SendNop
1181
1182 Send a nop message without trashing or sending the accumulated client
1183 message buffer
1184 =======================
1185 */
1186 void SV_SendNop (client_t *client)
1187 {
1188         sizebuf_t       msg;
1189         qbyte           buf[4];
1190
1191         msg.data = buf;
1192         msg.maxsize = sizeof(buf);
1193         msg.cursize = 0;
1194
1195         MSG_WriteChar (&msg, svc_nop);
1196
1197         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1198                 SV_DropClient (true);   // if the message couldn't send, kick off
1199         client->last_message = realtime;
1200 }
1201
1202 /*
1203 =======================
1204 SV_SendClientMessages
1205 =======================
1206 */
1207 void SV_SendClientMessages (void)
1208 {
1209         int i, prepared = false;
1210
1211 // update frags, names, etc
1212         SV_UpdateToReliableMessages();
1213
1214 // build individual updates
1215         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1216         {
1217                 if (!host_client->active)
1218                         continue;
1219                 if (!host_client->netconnection)
1220                 {
1221                         SZ_Clear(&host_client->message);
1222                         continue;
1223                 }
1224
1225                 if (host_client->deadsocket || host_client->message.overflowed)
1226                 {
1227                         SV_DropClient (true);   // if the message couldn't send, kick off
1228                         continue;
1229                 }
1230
1231                 if (host_client->spawned)
1232                 {
1233                         if (!prepared)
1234                         {
1235                                 prepared = true;
1236                                 // only prepare entities once per frame
1237                                 SV_PrepareEntitiesForSending();
1238                         }
1239                         if (!SV_SendClientDatagram (host_client))
1240                                 continue;
1241                 }
1242                 else
1243                 {
1244                 // the player isn't totally in the game yet
1245                 // send small keepalive messages if too much time has passed
1246                 // send a full message when the next signon stage has been requested
1247                 // some other message data (name changes, etc) may accumulate
1248                 // between signon stages
1249                         if (!host_client->sendsignon)
1250                         {
1251                                 if (realtime - host_client->last_message > 5)
1252                                         SV_SendNop (host_client);
1253                                 continue;       // don't send out non-signon messages
1254                         }
1255                 }
1256
1257                 if (host_client->message.cursize || host_client->dropasap)
1258                 {
1259                         if (!NetConn_CanSendMessage (host_client->netconnection))
1260                                 continue;
1261
1262                         if (host_client->dropasap)
1263                                 SV_DropClient (false);  // went to another level
1264                         else
1265                         {
1266                                 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1267                                         SV_DropClient (true);   // if the message couldn't send, kick off
1268                                 SZ_Clear (&host_client->message);
1269                                 host_client->last_message = realtime;
1270                                 host_client->sendsignon = false;
1271                         }
1272                 }
1273         }
1274
1275 // clear muzzle flashes
1276         SV_CleanupEnts();
1277 }
1278
1279
1280 /*
1281 ==============================================================================
1282
1283 SERVER SPAWNING
1284
1285 ==============================================================================
1286 */
1287
1288 /*
1289 ================
1290 SV_ModelIndex
1291
1292 ================
1293 */
1294 int SV_ModelIndex (const char *name)
1295 {
1296         int i;
1297
1298         if (!name || !name[0])
1299                 return 0;
1300
1301         for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1302                 if (!strcmp(sv.model_precache[i], name))
1303                         return i;
1304         if (i==MAX_MODELS || !sv.model_precache[i])
1305         {
1306                 Con_DPrintf ("SV_ModelIndex: model %s not precached", name);
1307                 return -1;
1308         }
1309         return i;
1310 }
1311
1312 /*
1313 ================
1314 SV_CreateBaseline
1315
1316 ================
1317 */
1318 void SV_CreateBaseline (void)
1319 {
1320         int i, entnum, large;
1321         edict_t *svent;
1322
1323         // LordHavoc: clear *all* states (note just active ones)
1324         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1325         {
1326                 // get the current server version
1327                 svent = EDICT_NUM(entnum);
1328
1329                 // LordHavoc: always clear state values, whether the entity is in use or not
1330                 svent->e->baseline = defaultstate;
1331
1332                 if (svent->e->free)
1333                         continue;
1334                 if (entnum > svs.maxclients && !svent->v->modelindex)
1335                         continue;
1336
1337                 // create entity baseline
1338                 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1339                 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1340                 svent->e->baseline.frame = svent->v->frame;
1341                 svent->e->baseline.skin = svent->v->skin;
1342                 if (entnum > 0 && entnum <= svs.maxclients)
1343                 {
1344                         svent->e->baseline.colormap = entnum;
1345                         i = SV_ModelIndex("progs/player.mdl");
1346                         if (i < 0)
1347                                 i = 0;
1348                         svent->e->baseline.modelindex = i;
1349                 }
1350                 else
1351                 {
1352                         svent->e->baseline.colormap = 0;
1353                         svent->e->baseline.modelindex = svent->v->modelindex;
1354                 }
1355
1356                 large = false;
1357                 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1358                         large = true;
1359
1360                 // add to the message
1361                 if (large)
1362                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1363                 else
1364                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1365                 MSG_WriteShort (&sv.signon, entnum);
1366
1367                 if (large)
1368                 {
1369                         MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1370                         MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1371                 }
1372                 else
1373                 {
1374                         MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1375                         MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1376                 }
1377                 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1378                 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1379                 for (i=0 ; i<3 ; i++)
1380                 {
1381                         MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
1382                         MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
1383                 }
1384         }
1385 }
1386
1387
1388 /*
1389 ================
1390 SV_SendReconnect
1391
1392 Tell all the clients that the server is changing levels
1393 ================
1394 */
1395 void SV_SendReconnect (void)
1396 {
1397         char    data[128];
1398         sizebuf_t       msg;
1399
1400         msg.data = data;
1401         msg.cursize = 0;
1402         msg.maxsize = sizeof(data);
1403
1404         MSG_WriteChar (&msg, svc_stufftext);
1405         MSG_WriteString (&msg, "reconnect\n");
1406         NetConn_SendToAll (&msg, 5);
1407
1408         if (cls.state != ca_dedicated)
1409                 Cmd_ExecuteString ("reconnect\n", src_command);
1410 }
1411
1412
1413 /*
1414 ================
1415 SV_SaveSpawnparms
1416
1417 Grabs the current state of each client for saving across the
1418 transition to another level
1419 ================
1420 */
1421 void SV_SaveSpawnparms (void)
1422 {
1423         int             i, j;
1424
1425         svs.serverflags = pr_global_struct->serverflags;
1426
1427         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1428         {
1429                 if (!host_client->active)
1430                         continue;
1431
1432         // call the progs to get default spawn parms for the new client
1433                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1434                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1435                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1436                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1437         }
1438 }
1439
1440 void SV_IncreaseEdicts(void)
1441 {
1442         int i;
1443         edict_t *ent;
1444         int oldmax_edicts = sv.max_edicts;
1445         void *oldedictsengineprivate = sv.edictsengineprivate;
1446         void *oldedictsfields = sv.edictsfields;
1447         void *oldmoved_edicts = sv.moved_edicts;
1448
1449         if (sv.max_edicts >= MAX_EDICTS)
1450                 return;
1451
1452         // links don't survive the transition, so unlink everything
1453         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1454         {
1455                 if (!ent->e->free)
1456                         SV_UnlinkEdict(sv.edicts + i);
1457                 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1458         }
1459         SV_ClearWorld();
1460
1461         sv.max_edicts   = min(sv.max_edicts + 256, MAX_EDICTS);
1462         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1463         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1464         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1465
1466         memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1467         memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1468
1469         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1470         {
1471                 ent->e = sv.edictsengineprivate + i;
1472                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1473                 // link every entity except world
1474                 if (!ent->e->free)
1475                         SV_LinkEdict(ent, false);
1476         }
1477
1478         Mem_Free(oldedictsengineprivate);
1479         Mem_Free(oldedictsfields);
1480         Mem_Free(oldmoved_edicts);
1481 }
1482
1483 /*
1484 ================
1485 SV_SpawnServer
1486
1487 This is called at the start of each level
1488 ================
1489 */
1490 extern float            scr_centertime_off;
1491
1492 void SV_SpawnServer (const char *server)
1493 {
1494         edict_t *ent;
1495         int i;
1496         qbyte *entities;
1497         model_t *worldmodel;
1498         char modelname[sizeof(sv.modelname)];
1499
1500         Con_DPrintf("SpawnServer: %s\n", server);
1501
1502         snprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1503         worldmodel = Mod_ForName(modelname, false, true, true);
1504         if (!worldmodel || !worldmodel->TraceBox)
1505         {
1506                 Con_Printf("Couldn't load map %s\n", modelname);
1507                 return;
1508         }
1509
1510         // let's not have any servers with no name
1511         if (hostname.string[0] == 0)
1512                 Cvar_Set ("hostname", "UNNAMED");
1513         scr_centertime_off = 0;
1514
1515         svs.changelevel_issued = false;         // now safe to issue another
1516
1517 //
1518 // tell all connected clients that we are going to a new level
1519 //
1520         if (sv.active)
1521                 SV_SendReconnect();
1522         else
1523         {
1524                 // make sure cvars have been checked before opening the ports
1525                 NetConn_ServerFrame();
1526                 NetConn_OpenServerPorts(true);
1527         }
1528
1529 //
1530 // make cvars consistant
1531 //
1532         if (coop.integer)
1533                 Cvar_SetValue ("deathmatch", 0);
1534         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1535
1536         Cvar_SetValue ("skill", (float)current_skill);
1537
1538 //
1539 // set up the new server
1540 //
1541         Host_ClearMemory ();
1542
1543         memset (&sv, 0, sizeof(sv));
1544
1545         strlcpy (sv.name, server, sizeof (sv.name));
1546
1547         // FIXME: cvar
1548         if (!strcasecmp(sv_protocolname.string, "QUAKE"))
1549         {
1550                 sv.protocol = PROTOCOL_QUAKE;
1551                 sv.netquakecompatible = true;
1552         }
1553         else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
1554         {
1555                 sv.protocol = PROTOCOL_QUAKE;
1556                 sv.netquakecompatible = false;
1557         }
1558         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
1559         {
1560                 sv.protocol = PROTOCOL_DARKPLACES1;
1561                 sv.netquakecompatible = false;
1562         }
1563         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
1564         {
1565                 sv.protocol = PROTOCOL_DARKPLACES2;
1566                 sv.netquakecompatible = false;
1567         }
1568         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
1569         {
1570                 sv.protocol = PROTOCOL_DARKPLACES3;
1571                 sv.netquakecompatible = false;
1572         }
1573         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
1574         {
1575                 sv.protocol = PROTOCOL_DARKPLACES4;
1576                 sv.netquakecompatible = false;
1577         }
1578         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
1579         {
1580                 sv.protocol = PROTOCOL_DARKPLACES5;
1581                 sv.netquakecompatible = false;
1582         }
1583         else
1584         {
1585                 sv.protocol = PROTOCOL_DARKPLACES5;
1586                 sv.netquakecompatible = false;
1587                 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);
1588         }
1589
1590 // load progs to get entity field count
1591         PR_LoadProgs ();
1592
1593 // allocate server memory
1594         // start out with just enough room for clients and a reasonable estimate of entities
1595         sv.max_edicts = max(svs.maxclients + 1, 512);
1596         sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1597
1598         // clear the edict memory pool
1599         Mem_EmptyPool(sv_edicts_mempool);
1600         // edict_t structures (hidden from progs)
1601         sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1602         // engine private structures (hidden from progs)
1603         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1604         // progs fields, often accessed by server
1605         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1606         // used by PushMove to move back pushed entities
1607         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1608         for (i = 0;i < sv.max_edicts;i++)
1609         {
1610                 ent = sv.edicts + i;
1611                 ent->e = sv.edictsengineprivate + i;
1612                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1613         }
1614
1615         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1616         sv.datagram.cursize = 0;
1617         sv.datagram.data = sv.datagram_buf;
1618
1619         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1620         sv.reliable_datagram.cursize = 0;
1621         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1622
1623         sv.signon.maxsize = sizeof(sv.signon_buf);
1624         sv.signon.cursize = 0;
1625         sv.signon.data = sv.signon_buf;
1626
1627 // leave slots at start for clients only
1628         sv.num_edicts = svs.maxclients+1;
1629
1630         sv.state = ss_loading;
1631         sv.paused = false;
1632
1633         sv.time = 1.0;
1634
1635         Mod_ClearUsed();
1636         worldmodel->used = true;
1637
1638         strlcpy (sv.name, server, sizeof (sv.name));
1639         strcpy(sv.modelname, modelname);
1640         sv.worldmodel = worldmodel;
1641         sv.models[1] = sv.worldmodel;
1642
1643 //
1644 // clear world interaction links
1645 //
1646         SV_ClearWorld ();
1647
1648         sv.sound_precache[0] = "";
1649
1650         sv.model_precache[0] = "";
1651         sv.model_precache[1] = sv.modelname;
1652         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1653         {
1654                 sv.model_precache[i+1] = localmodels[i];
1655                 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1656         }
1657
1658 //
1659 // load the rest of the entities
1660 //
1661         ent = EDICT_NUM(0);
1662         memset (ent->v, 0, progs->entityfields * 4);
1663         ent->e->free = false;
1664         ent->v->model = PR_SetString(sv.modelname);
1665         ent->v->modelindex = 1;         // world model
1666         ent->v->solid = SOLID_BSP;
1667         ent->v->movetype = MOVETYPE_PUSH;
1668
1669         if (coop.value)
1670                 pr_global_struct->coop = coop.integer;
1671         else
1672                 pr_global_struct->deathmatch = deathmatch.integer;
1673
1674         pr_global_struct->mapname = PR_SetString(sv.name);
1675
1676 // serverflags are for cross level information (sigils)
1677         pr_global_struct->serverflags = svs.serverflags;
1678
1679         // load replacement entity file if found
1680         entities = NULL;
1681         if (sv_entpatch.integer)
1682                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
1683         if (entities)
1684         {
1685                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1686                 ED_LoadFromFile (entities);
1687                 Mem_Free(entities);
1688         }
1689         else
1690                 ED_LoadFromFile (sv.worldmodel->brush.entities);
1691
1692
1693         // LordHavoc: clear world angles (to fix e3m3.bsp)
1694         VectorClear(sv.edicts->v->angles);
1695
1696         sv.active = true;
1697
1698 // all setup is completed, any further precache statements are errors
1699         sv.state = ss_active;
1700
1701 // run two frames to allow everything to settle
1702         for (i = 0;i < 2;i++)
1703         {
1704                 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1705                 SV_Physics ();
1706         }
1707
1708         Mod_PurgeUnused();
1709
1710 // create a baseline for more efficient communications
1711         if (sv.protocol == PROTOCOL_QUAKE)
1712                 SV_CreateBaseline ();
1713
1714 // send serverinfo to all connected clients
1715         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1716                 if (host_client->netconnection)
1717                         SV_SendServerinfo(host_client);
1718
1719         Con_DPrint("Server spawned.\n");
1720         NetConn_Heartbeat (2);
1721 }
1722