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         // if client is a botclient coming from a level change, we need to set up
 287         // client info that normally requires networking
 288         if (!client->netconnection)
 289         {
 290                 int i;
 291
 292                 // set up the edict
 293                 ED_ClearEdict(client->edict);
 294
 295                 // copy spawn parms out of the client_t
 296                 for (i=0 ; i< NUM_SPAWN_PARMS ; i++)
 297                         (&pr_global_struct->parm1)[i] = host_client->spawn_parms[i];
 298
 299                 // call the spawn function
 300                 pr_global_struct->time = sv.time;
 301                 pr_global_struct->self = EDICT_TO_PROG(sv_player);
 302                 PR_ExecuteProgram (pr_global_struct->ClientConnect, "QC function ClientConnect is missing");
 303                 PR_ExecuteProgram (pr_global_struct->PutClientInServer, "QC function PutClientInServer is missing");
 304                 host_client->spawned = true;
 305                 return;
 306         }
 307
 308         // LordHavoc: clear entityframe tracking
 309
 310         if (client->entitydatabase)
 311                 EntityFrame_FreeDatabase(client->entitydatabase);
 312         if (client->entitydatabase4)
 313                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 314         if (client->entitydatabase5)
 315                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 316
 317         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 318                 client->entitydatabase = EntityFrame_AllocDatabase(sv_clients_mempool);
 319         if (sv.protocol == PROTOCOL_DARKPLACES4)
 320                 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
 321         if (sv.protocol == PROTOCOL_DARKPLACES5)
 322                 client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_clients_mempool);
 323
 324         MSG_WriteByte (&client->message, svc_print);
 325         snprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
 326         MSG_WriteString (&client->message,message);
 327
 328         MSG_WriteByte (&client->message, svc_serverinfo);
 329         MSG_WriteLong (&client->message, sv.protocol);
 330         MSG_WriteByte (&client->message, svs.maxclients);
 331
 332         if (!coop.integer && deathmatch.integer)
 333                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
 334         else
 335                 MSG_WriteByte (&client->message, GAME_COOP);
 336
 337         MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
 338
 339         for (s = sv.model_precache+1 ; *s ; s++)
 340                 MSG_WriteString (&client->message, *s);
 341         MSG_WriteByte (&client->message, 0);
 342
 343         for (s = sv.sound_precache+1 ; *s ; s++)
 344                 MSG_WriteString (&client->message, *s);
 345         MSG_WriteByte (&client->message, 0);
 346
 347 // send music
 348         MSG_WriteByte (&client->message, svc_cdtrack);
 349         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 350         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 351
 352 // set view
 353         MSG_WriteByte (&client->message, svc_setview);
 354         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
 355
 356         MSG_WriteByte (&client->message, svc_signonnum);
 357         MSG_WriteByte (&client->message, 1);
 358
 359         client->sendsignon = true;
 360         client->spawned = false;                // need prespawn, spawn, etc
 361 }
 362
 363 /*
 364 ================
 365 SV_ConnectClient
 366
 367 Initializes a client_t for a new net connection.  This will only be called
 368 once for a player each game, not once for each level change.
 369 ================
 370 */
 371 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 372 {
 373         client_t                *client;
 374         int                             i;
 375         float                   spawn_parms[NUM_SPAWN_PARMS];
 376
 377         client = svs.clients + clientnum;
 378
 379 // set up the client_t
 380         if (sv.loadgame)
 381                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 382         memset (client, 0, sizeof(*client));
 383         client->active = true;
 384         client->netconnection = netconnection;
 385
 386         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 387
 388         strcpy(client->name, "unconnected");
 389         strcpy(client->old_name, "unconnected");
 390         client->spawned = false;
 391         client->edict = EDICT_NUM(clientnum+1);
 392         client->message.data = client->msgbuf;
 393         client->message.maxsize = sizeof(client->msgbuf);
 394         client->message.allowoverflow = true;           // we can catch it
 395         // updated by receiving "rate" command from client
 396         client->rate = NET_MINRATE;
 397         // no limits for local player
 398         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 399                 client->rate = 1000000000;
 400         client->connecttime = realtime;
 401
 402         if (sv.loadgame)
 403                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 404         else
 405         {
 406                 // call the progs to get default spawn parms for the new client
 407                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
 408                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 409                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
 410         }
 411
 412         // don't call SendServerinfo for a fresh botclient because its fields have
 413         // not been set up by the qc yet
 414         if (client->netconnection)
 415                 SV_SendServerinfo (client);
 416 }
 417
 418
 419 /*
 420 ===============================================================================
 421
 422 FRAME UPDATES
 423
 424 ===============================================================================
 425 */
 426
 427 /*
 428 ==================
 429 SV_ClearDatagram
 430
 431 ==================
 432 */
 433 void SV_ClearDatagram (void)
 434 {
 435         SZ_Clear (&sv.datagram);
 436 }
 437
 438 /*
 439 =============================================================================
 440
 441 The PVS must include a small area around the client to allow head bobbing
 442 or other small motion on the client side.  Otherwise, a bob might cause an
 443 entity that should be visible to not show up, especially when the bob
 444 crosses a waterline.
 445
 446 =============================================================================
 447 */
 448
 449 int sv_writeentitiestoclient_pvsbytes;
 450 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
 451
 452 static int numsendentities;
 453 static entity_state_t sendentities[MAX_EDICTS];
 454 static entity_state_t *sendentitiesindex[MAX_EDICTS];
 455
 456 void SV_PrepareEntitiesForSending(void)
 457 {
 458         int e, i;
 459         float f;
 460         edict_t *ent;
 461         entity_state_t cs;
 462         // send all entities that touch the pvs
 463         numsendentities = 0;
 464         sendentitiesindex[0] = NULL;
 465         for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 466         {
 467                 sendentitiesindex[e] = NULL;
 468                 if (ent->e->free)
 469                         continue;
 470
 471                 cs = defaultstate;
 472                 cs.active = true;
 473                 cs.number = e;
 474                 VectorCopy(ent->v->origin, cs.origin);
 475                 VectorCopy(ent->v->angles, cs.angles);
 476                 cs.flags = 0;
 477                 cs.effects = (int)ent->v->effects;
 478                 cs.colormap = (qbyte)ent->v->colormap;
 479                 cs.skin = (qbyte)ent->v->skin;
 480                 cs.frame = (qbyte)ent->v->frame;
 481                 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
 482                 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
 483                 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
 484                 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
 485                 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
 486                 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
 487                 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
 488                 cs.glowsize = (qbyte)bound(0, i, 255);
 489                 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
 490                         cs.flags |= RENDER_GLOWTRAIL;
 491
 492                 cs.modelindex = 0;
 493                 i = (int)ent->v->modelindex;
 494                 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
 495                         cs.modelindex = i;
 496
 497                 cs.alpha = 255;
 498                 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
 499                 if (f)
 500                 {
 501                         i = (int)f;
 502                         cs.alpha = (qbyte)bound(0, i, 255);
 503                 }
 504                 // halflife
 505                 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
 506                 if (f)
 507                 {
 508                         i = (int)f;
 509                         cs.alpha = (qbyte)bound(0, i, 255);
 510                 }
 511
 512                 cs.scale = 16;
 513                 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
 514                 if (f)
 515                 {
 516                         i = (int)f;
 517                         cs.scale = (qbyte)bound(0, i, 255);
 518                 }
 519
 520                 cs.glowcolor = 254;
 521                 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
 522                 if (f)
 523                         cs.glowcolor = (int)f;
 524
 525                 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
 526                         cs.effects |= EF_FULLBRIGHT;
 527
 528                 if (ent->v->movetype == MOVETYPE_STEP)
 529                         cs.flags |= RENDER_STEP;
 530                 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)
 531                         cs.flags |= RENDER_LOWPRECISION;
 532                 if (ent->v->colormap >= 1024)
 533                         cs.flags |= RENDER_COLORMAPPED;
 534                 if (cs.viewmodelforclient)
 535                         cs.flags |= RENDER_VIEWMODEL; // show relative to the view
 536
 537                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
 538                 cs.light[0] = (unsigned short)bound(0, f, 65535);
 539                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
 540                 cs.light[1] = (unsigned short)bound(0, f, 65535);
 541                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
 542                 cs.light[2] = (unsigned short)bound(0, f, 65535);
 543                 f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
 544                 cs.light[3] = (unsigned short)bound(0, f, 65535);
 545                 cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
 546                 cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
 547
 548                 if (gamemode == GAME_TENEBRAE)
 549                 {
 550                         // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
 551                         if (cs.effects & 16)
 552                         {
 553                                 cs.effects &= ~16;
 554                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 555                         }
 556                         // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
 557                         if (cs.effects & 32)
 558                         {
 559                                 cs.effects &= ~32;
 560                                 cs.light[0] = 0.2;
 561                                 cs.light[1] = 1;
 562                                 cs.light[2] = 0.2;
 563                                 cs.light[3] = 200;
 564                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 565                         }
 566                 }
 567
 568                 cs.specialvisibilityradius = 0;
 569                 if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
 570                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
 571                 if (cs.glowsize)
 572                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
 573                 if (cs.flags & RENDER_GLOWTRAIL)
 574                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 575                 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 576                 {
 577                         if (cs.effects & EF_BRIGHTFIELD)
 578                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
 579                         if (cs.effects & EF_MUZZLEFLASH)
 580                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 581                         if (cs.effects & EF_BRIGHTLIGHT)
 582                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
 583                         if (cs.effects & EF_DIMLIGHT)
 584                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 585                         if (cs.effects & EF_RED)
 586                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 587                         if (cs.effects & EF_BLUE)
 588                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 589                         if (cs.effects & EF_FLAME)
 590                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
 591                         if (cs.effects & EF_STARDUST)
 592                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 593                 }
 594
 595                 if (numsendentities >= MAX_EDICTS)
 596                         continue;
 597                 // we can omit invisible entities with no effects that are not clients
 598                 // LordHavoc: this could kill tags attached to an invisible entity, I
 599                 // just hope we never have to support that case
 600                 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
 601                         continue;
 602                 sendentitiesindex[e] = sendentities + numsendentities;
 603                 sendentities[numsendentities++] = cs;
 604         }
 605 }
 606
 607 static int sententitiesmark = 0;
 608 static int sententities[MAX_EDICTS];
 609 static int sententitiesconsideration[MAX_EDICTS];
 610 static int sv_writeentitiestoclient_culled_pvs;
 611 static int sv_writeentitiestoclient_culled_trace;
 612 static int sv_writeentitiestoclient_visibleentities;
 613 static int sv_writeentitiestoclient_totalentities;
 614 //static entity_frame_t sv_writeentitiestoclient_entityframe;
 615 static int sv_writeentitiestoclient_clentnum;
 616 static vec3_t sv_writeentitiestoclient_testeye;
 617 static client_t *sv_writeentitiestoclient_client;
 618
 619 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 620 {
 621         int isbmodel;
 622         vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
 623         model_t *model;
 624         trace_t trace;
 625         if (sententitiesconsideration[s->number] == sententitiesmark)
 626                 return;
 627         sententitiesconsideration[s->number] = sententitiesmark;
 628         // viewmodels don't have visibility checking
 629         if (s->viewmodelforclient)
 630         {
 631                 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
 632                         return;
 633         }
 634         // never reject player
 635         else if (s->number != sv_writeentitiestoclient_clentnum)
 636         {
 637                 // check various rejection conditions
 638                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
 639                         return;
 640                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
 641                         return;
 642                 if (s->effects & EF_NODRAW)
 643                         return;
 644                 // LordHavoc: only send entities with a model or important effects
 645                 if (!s->modelindex && s->specialvisibilityradius == 0)
 646                         return;
 647                 if (s->tagentity)
 648                 {
 649                         // tag attached entities simply check their parent
 650                         if (!sendentitiesindex[s->tagentity])
 651                                 return;
 652                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
 653                         if (sententities[s->tagentity] != sententitiesmark)
 654                                 return;
 655                 }
 656                 // always send world submodels, they don't generate much traffic
 657                 // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
 658                 else if ((!(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') && !(s->effects & EF_NODEPTHTEST)) || sv.protocol == PROTOCOL_QUAKE)
 659                 {
 660                         Mod_CheckLoaded(model);
 661                         // entity has survived every check so far, check if visible
 662                         // enlarged box to account for prediction (not that there is
 663                         // any currently, but still helps the 'run into a room and
 664                         // watch items pop up' problem)
 665                         entmins[0] = s->origin[0] - 32.0f;
 666                         entmins[1] = s->origin[1] - 32.0f;
 667                         entmins[2] = s->origin[2] - 32.0f;
 668                         entmaxs[0] = s->origin[0] + 32.0f;
 669                         entmaxs[1] = s->origin[1] + 32.0f;
 670                         entmaxs[2] = s->origin[2] + 32.0f;
 671                         // using the model's bounding box to ensure things are visible regardless of their physics box
 672                         if (model)
 673                         {
 674                                 if (s->angles[0] || s->angles[2]) // pitch and roll
 675                                 {
 676                                         VectorAdd(entmins, model->rotatedmins, entmins);
 677                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 678                                 }
 679                                 else if (s->angles[1])
 680                                 {
 681                                         VectorAdd(entmins, model->yawmins, entmins);
 682                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 683                                 }
 684                                 else
 685                                 {
 686                                         VectorAdd(entmins, model->normalmins, entmins);
 687                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 688                                 }
 689                         }
 690                         lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
 691                         lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
 692                         lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
 693                         lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
 694                         lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
 695                         lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
 696                         sv_writeentitiestoclient_totalentities++;
 697                         // if not touching a visible leaf
 698                         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))
 699                         {
 700                                 sv_writeentitiestoclient_culled_pvs++;
 701                                 return;
 702                         }
 703                         // or not seen by random tracelines
 704                         if (sv_cullentities_trace.integer && !isbmodel)
 705                         {
 706                                 // LordHavoc: test center first
 707                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
 708                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
 709                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
 710                                 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 711                                 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 712                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 713                                 else
 714                                 {
 715                                         // LordHavoc: test random offsets, to maximize chance of detection
 716                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 717                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 718                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 719                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 720                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 721                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 722                                         else
 723                                         {
 724                                                 if (s->specialvisibilityradius)
 725                                                 {
 726                                                         // LordHavoc: test random offsets, to maximize chance of detection
 727                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
 728                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
 729                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
 730                                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 731                                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 732                                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 733                                                 }
 734                                         }
 735                                 }
 736                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
 737                                 {
 738                                         sv_writeentitiestoclient_culled_trace++;
 739                                         return;
 740                                 }
 741                         }
 742                         sv_writeentitiestoclient_visibleentities++;
 743                 }
 744         }
 745         // this just marks it for sending
 746         // FIXME: it would be more efficient to send here, but the entity
 747         // compressor isn't that flexible
 748         sententities[s->number] = sententitiesmark;
 749 }
 750
 751 entity_state_t sendstates[MAX_EDICTS];
 752
 753 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
 754 {
 755         int i, numsendstates;
 756         entity_state_t *s;
 757
 758         // if there isn't enough space to accomplish anything, skip it
 759         if (msg->cursize + 25 > msg->maxsize)
 760                 return;
 761
 762         sv_writeentitiestoclient_client = client;
 763
 764         sv_writeentitiestoclient_culled_pvs = 0;
 765         sv_writeentitiestoclient_culled_trace = 0;
 766         sv_writeentitiestoclient_visibleentities = 0;
 767         sv_writeentitiestoclient_totalentities = 0;
 768
 769         Mod_CheckLoaded(sv.worldmodel);
 770
 771 // find the client's PVS
 772         // the real place being tested from
 773         VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
 774         sv_writeentitiestoclient_pvsbytes = 0;
 775         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
 776                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 777
 778         sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 779
 780         sententitiesmark++;
 781
 782         for (i = 0;i < numsendentities;i++)
 783                 SV_MarkWriteEntityStateToClient(sendentities + i);
 784
 785         numsendstates = 0;
 786         for (i = 0;i < numsendentities;i++)
 787         {
 788                 if (sententities[sendentities[i].number] == sententitiesmark)
 789                 {
 790                         s = &sendstates[numsendstates++];
 791                         *s = sendentities[i];
 792                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
 793                                 s->flags |= RENDER_EXTERIORMODEL;
 794                 }
 795         }
 796
 797         if (sv_cullentities_stats.integer)
 798                 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);
 799
 800         if (client->entitydatabase5)
 801                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1);
 802         else if (client->entitydatabase4)
 803                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
 804         else if (client->entitydatabase)
 805                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
 806         else
 807                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
 808 }
 809
 810 /*
 811 =============
 812 SV_CleanupEnts
 813
 814 =============
 815 */
 816 void SV_CleanupEnts (void)
 817 {
 818         int             e;
 819         edict_t *ent;
 820
 821         ent = NEXT_EDICT(sv.edicts);
 822         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
 823                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
 824 }
 825
 826 /*
 827 ==================
 828 SV_WriteClientdataToMessage
 829
 830 ==================
 831 */
 832 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
 833 {
 834         int             bits;
 835         int             i;
 836         edict_t *other;
 837         int             items;
 838         eval_t  *val;
 839         vec3_t  punchvector;
 840         qbyte   viewzoom;
 841
 842 //
 843 // send a damage message
 844 //
 845         if (ent->v->dmg_take || ent->v->dmg_save)
 846         {
 847                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
 848                 MSG_WriteByte (msg, svc_damage);
 849                 MSG_WriteByte (msg, ent->v->dmg_save);
 850                 MSG_WriteByte (msg, ent->v->dmg_take);
 851                 for (i=0 ; i<3 ; i++)
 852                         MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
 853
 854                 ent->v->dmg_take = 0;
 855                 ent->v->dmg_save = 0;
 856         }
 857
 858 //
 859 // send the current viewpos offset from the view entity
 860 //
 861         SV_SetIdealPitch ();            // how much to look up / down ideally
 862
 863 // a fixangle might get lost in a dropped packet.  Oh well.
 864         if ( ent->v->fixangle )
 865         {
 866                 MSG_WriteByte (msg, svc_setangle);
 867                 for (i=0 ; i < 3 ; i++)
 868                         MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
 869                 ent->v->fixangle = 0;
 870         }
 871
 872         bits = 0;
 873
 874         if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
 875                 bits |= SU_VIEWHEIGHT;
 876
 877         if (ent->v->idealpitch)
 878                 bits |= SU_IDEALPITCH;
 879
 880 // stuff the sigil bits into the high bits of items for sbar, or else
 881 // mix in items2
 882         val = GETEDICTFIELDVALUE(ent, eval_items2);
 883
 884         if (val)
 885                 items = (int)ent->v->items | ((int)val->_float << 23);
 886         else
 887                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
 888
 889         bits |= SU_ITEMS;
 890
 891         if ( (int)ent->v->flags & FL_ONGROUND)
 892                 bits |= SU_ONGROUND;
 893
 894         if ( ent->v->waterlevel >= 2)
 895                 bits |= SU_INWATER;
 896
 897         // PROTOCOL_DARKPLACES
 898         VectorClear(punchvector);
 899         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
 900                 VectorCopy(val->vector, punchvector);
 901
 902         i = 255;
 903         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
 904         {
 905                 i = val->_float * 255.0f;
 906                 if (i == 0)
 907                         i = 255;
 908                 else
 909                         i = bound(0, i, 65535);
 910         }
 911         viewzoom = i;
 912
 913         // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
 914         if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 915                 if (viewzoom != 255)
 916                         bits |= SU_VIEWZOOM;
 917
 918         for (i=0 ; i<3 ; i++)
 919         {
 920                 if (ent->v->punchangle[i])
 921                         bits |= (SU_PUNCH1<<i);
 922                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 923                         if (punchvector[i])
 924                                 bits |= (SU_PUNCHVEC1<<i);
 925                 if (ent->v->velocity[i])
 926                         bits |= (SU_VELOCITY1<<i);
 927         }
 928
 929         if (ent->v->weaponframe)
 930                 bits |= SU_WEAPONFRAME;
 931
 932         if (ent->v->armorvalue)
 933                 bits |= SU_ARMOR;
 934
 935         bits |= SU_WEAPON;
 936
 937         if (bits >= 65536)
 938                 bits |= SU_EXTEND1;
 939         if (bits >= 16777216)
 940                 bits |= SU_EXTEND2;
 941
 942 // send the data
 943
 944         MSG_WriteByte (msg, svc_clientdata);
 945         MSG_WriteShort (msg, bits);
 946         if (bits & SU_EXTEND1)
 947                 MSG_WriteByte(msg, bits >> 16);
 948         if (bits & SU_EXTEND2)
 949                 MSG_WriteByte(msg, bits >> 24);
 950
 951         if (bits & SU_VIEWHEIGHT)
 952                 MSG_WriteChar (msg, ent->v->view_ofs[2]);
 953
 954         if (bits & SU_IDEALPITCH)
 955                 MSG_WriteChar (msg, ent->v->idealpitch);
 956
 957         for (i=0 ; i<3 ; i++)
 958         {
 959                 if (bits & (SU_PUNCH1<<i))
 960                 {
 961                         if (sv.protocol == PROTOCOL_QUAKE)
 962                                 MSG_WriteChar(msg, ent->v->punchangle[i]);
 963                         else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 964                                 MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
 965                 }
 966                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 967                 {
 968                         if (bits & (SU_PUNCHVEC1<<i))
 969                         {
 970                                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 971                                         MSG_WriteCoord16i(msg, punchvector[i]);
 972                                 else if (sv.protocol == PROTOCOL_DARKPLACES5)
 973                                         MSG_WriteCoord32f(msg, punchvector[i]);
 974                         }
 975                 }
 976                 if (bits & (SU_VELOCITY1<<i))
 977                 {
 978                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 979                                 MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
 980                         else if (sv.protocol == PROTOCOL_DARKPLACES5)
 981                                 MSG_WriteCoord32f(msg, ent->v->velocity[i]);
 982                 }
 983         }
 984
 985 // [always sent]        if (bits & SU_ITEMS)
 986         MSG_WriteLong (msg, items);
 987
 988         if (sv.protocol == PROTOCOL_DARKPLACES5)
 989         {
 990                 if (bits & SU_WEAPONFRAME)
 991                         MSG_WriteShort (msg, ent->v->weaponframe);
 992                 if (bits & SU_ARMOR)
 993                         MSG_WriteShort (msg, ent->v->armorvalue);
 994                 if (bits & SU_WEAPON)
 995                 {
 996                         i = SV_ModelIndex(PR_GetString(ent->v->weaponmodel));
 997                         if (i < 0)
 998                         {
 999                                 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
1000                                 i = 0;
1001                         }
1002                         MSG_WriteShort (msg, i);
1003                 }
1004
1005                 MSG_WriteShort (msg, ent->v->health);
1006                 MSG_WriteShort (msg, ent->v->currentammo);
1007                 MSG_WriteShort (msg, ent->v->ammo_shells);
1008                 MSG_WriteShort (msg, ent->v->ammo_nails);
1009                 MSG_WriteShort (msg, ent->v->ammo_rockets);
1010                 MSG_WriteShort (msg, ent->v->ammo_cells);
1011
1012                 MSG_WriteShort (msg, ent->v->weapon);
1013
1014                 if (bits & SU_VIEWZOOM)
1015                         MSG_WriteShort (msg, viewzoom);
1016         }
1017         else
1018         {
1019                 if (bits & SU_WEAPONFRAME)
1020                         MSG_WriteByte (msg, ent->v->weaponframe);
1021                 if (bits & SU_ARMOR)
1022                         MSG_WriteByte (msg, ent->v->armorvalue);
1023                 if (bits & SU_WEAPON)
1024                 {
1025                         i = SV_ModelIndex(PR_GetString(ent->v->weaponmodel));
1026                         if (i < 0)
1027                         {
1028                                 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
1029                                 i = 0;
1030                         }
1031                         MSG_WriteByte (msg, i);
1032                 }
1033
1034                 MSG_WriteShort (msg, ent->v->health);
1035                 MSG_WriteByte (msg, ent->v->currentammo);
1036                 MSG_WriteByte (msg, ent->v->ammo_shells);
1037                 MSG_WriteByte (msg, ent->v->ammo_nails);
1038                 MSG_WriteByte (msg, ent->v->ammo_rockets);
1039                 MSG_WriteByte (msg, ent->v->ammo_cells);
1040
1041                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1042                 {
1043                         for(i=0;i<32;i++)
1044                         {
1045                                 if ( ((int)ent->v->weapon) & (1<<i) )
1046                                 {
1047                                         MSG_WriteByte (msg, i);
1048                                         break;
1049                                 }
1050                         }
1051                 }
1052                 else
1053                 {
1054                         MSG_WriteByte (msg, ent->v->weapon);
1055                 }
1056
1057                 if (bits & SU_VIEWZOOM)
1058                 {
1059                         if (sv.protocol == PROTOCOL_DARKPLACES4)
1060                         {
1061                                 viewzoom = min(viewzoom, 255);
1062                                 MSG_WriteByte (msg, viewzoom);
1063                         }
1064                         else if (sv.protocol == PROTOCOL_DARKPLACES5)
1065                                 MSG_WriteShort (msg, viewzoom);
1066                 }
1067         }
1068 }
1069
1070 /*
1071 =======================
1072 SV_SendClientDatagram
1073 =======================
1074 */
1075 static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1076 qboolean SV_SendClientDatagram (client_t *client)
1077 {
1078         int rate, maxrate, maxsize, maxsize2;
1079         sizebuf_t msg;
1080
1081         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1082         {
1083                 // for good singleplayer, send huge packets
1084                 maxsize = sizeof(sv_sendclientdatagram_buf);
1085                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1086         }
1087         else if (sv.protocol == PROTOCOL_DARKPLACES5)
1088         {
1089                 // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
1090                 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1091                 if (sv_maxrate.integer != maxrate)
1092                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1093
1094                 rate = bound(NET_MINRATE, client->rate, maxrate);
1095                 rate = (int)(client->rate * sys_ticrate.value);
1096                 maxsize = bound(100, rate, 1400);
1097                 maxsize2 = 1400;
1098         }
1099         else
1100         {
1101                 // no rate limiting support on older protocols because dp protocols
1102                 // 1-4 kick the client off if they overflow, and quake protocol shows
1103                 // less than the full entity set if rate limited
1104                 maxsize = 1400;
1105                 maxsize2 = 1400;
1106         }
1107
1108         msg.data = sv_sendclientdatagram_buf;
1109         msg.maxsize = maxsize;
1110         msg.cursize = 0;
1111
1112         MSG_WriteByte (&msg, svc_time);
1113         MSG_WriteFloat (&msg, sv.time);
1114
1115         // add the client specific data to the datagram
1116         SV_WriteClientdataToMessage (client->edict, &msg);
1117
1118         SV_WriteEntitiesToClient (client, client->edict, &msg);
1119
1120         // expand packet size to allow effects to go over the rate limit
1121         // (dropping them is FAR too ugly)
1122         msg.maxsize = maxsize2;
1123
1124         // copy the server datagram if there is space
1125         // FIXME: put in delayed queue of effects to send
1126         if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1127                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1128
1129 // send the datagram
1130         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1131         {
1132                 SV_DropClient (true);// if the message couldn't send, kick off
1133                 return false;
1134         }
1135
1136         return true;
1137 }
1138
1139 /*
1140 =======================
1141 SV_UpdateToReliableMessages
1142 =======================
1143 */
1144 void SV_UpdateToReliableMessages (void)
1145 {
1146         int i, j;
1147         client_t *client;
1148         eval_t *val;
1149         char *name;
1150
1151 // check for changes to be sent over the reliable streams
1152         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1153         {
1154                 // update the host_client fields we care about according to the entity fields
1155                 sv_player = EDICT_NUM(i+1);
1156
1157                 // DP_SV_CLIENTNAME
1158                 name = PR_GetString(sv_player->v->netname);
1159                 if (name == NULL)
1160                         name = "";
1161                 // always point the string back at host_client->name to keep it safe
1162                 strlcpy (host_client->name, name, sizeof (host_client->name));
1163                 sv_player->v->netname = PR_SetString(host_client->name);
1164                 if (strcmp(host_client->old_name, host_client->name))
1165                 {
1166                         if (host_client->spawned)
1167                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1168                         strcpy(host_client->old_name, host_client->name);
1169                         // send notification to all clients
1170                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1171                         MSG_WriteByte (&sv.reliable_datagram, i);
1172                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1173                 }
1174
1175                 // DP_SV_CLIENTCOLORS
1176                 // this is always found (since it's added by the progs loader)
1177                 if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)))
1178                         host_client->colors = (int)val->_float;
1179                 if (host_client->old_colors != host_client->colors)
1180                 {
1181                         host_client->old_colors = host_client->colors;
1182                         // send notification to all clients
1183                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1184                         MSG_WriteByte (&sv.reliable_datagram, i);
1185                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1186                 }
1187
1188                 // frags
1189                 host_client->frags = (int)sv_player->v->frags;
1190                 if (host_client->old_frags != host_client->frags)
1191                 {
1192                         host_client->old_frags = host_client->frags;
1193                         // send notification to all clients
1194                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1195                         MSG_WriteByte (&sv.reliable_datagram, i);
1196                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1197                 }
1198         }
1199
1200         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1201                 if (client->netconnection)
1202                         SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1203
1204         SZ_Clear (&sv.reliable_datagram);
1205 }
1206
1207
1208 /*
1209 =======================
1210 SV_SendNop
1211
1212 Send a nop message without trashing or sending the accumulated client
1213 message buffer
1214 =======================
1215 */
1216 void SV_SendNop (client_t *client)
1217 {
1218         sizebuf_t       msg;
1219         qbyte           buf[4];
1220
1221         msg.data = buf;
1222         msg.maxsize = sizeof(buf);
1223         msg.cursize = 0;
1224
1225         MSG_WriteChar (&msg, svc_nop);
1226
1227         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1228                 SV_DropClient (true);   // if the message couldn't send, kick off
1229         client->last_message = realtime;
1230 }
1231
1232 /*
1233 =======================
1234 SV_SendClientMessages
1235 =======================
1236 */
1237 void SV_SendClientMessages (void)
1238 {
1239         int i, prepared = false;
1240
1241 // update frags, names, etc
1242         SV_UpdateToReliableMessages();
1243
1244 // build individual updates
1245         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1246         {
1247                 if (!host_client->active)
1248                         continue;
1249                 if (!host_client->netconnection)
1250                 {
1251                         SZ_Clear(&host_client->message);
1252                         continue;
1253                 }
1254
1255                 if (host_client->deadsocket || host_client->message.overflowed)
1256                 {
1257                         SV_DropClient (true);   // if the message couldn't send, kick off
1258                         continue;
1259                 }
1260
1261                 if (host_client->spawned)
1262                 {
1263                         if (!prepared)
1264                         {
1265                                 prepared = true;
1266                                 // only prepare entities once per frame
1267                                 SV_PrepareEntitiesForSending();
1268                         }
1269                         if (!SV_SendClientDatagram (host_client))
1270                                 continue;
1271                 }
1272                 else
1273                 {
1274                 // the player isn't totally in the game yet
1275                 // send small keepalive messages if too much time has passed
1276                 // send a full message when the next signon stage has been requested
1277                 // some other message data (name changes, etc) may accumulate
1278                 // between signon stages
1279                         if (!host_client->sendsignon)
1280                         {
1281                                 if (realtime - host_client->last_message > 5)
1282                                         SV_SendNop (host_client);
1283                                 continue;       // don't send out non-signon messages
1284                         }
1285                 }
1286
1287                 if (host_client->message.cursize || host_client->dropasap)
1288                 {
1289                         if (!NetConn_CanSendMessage (host_client->netconnection))
1290                                 continue;
1291
1292                         if (host_client->dropasap)
1293                                 SV_DropClient (false);  // went to another level
1294                         else
1295                         {
1296                                 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1297                                         SV_DropClient (true);   // if the message couldn't send, kick off
1298                                 SZ_Clear (&host_client->message);
1299                                 host_client->last_message = realtime;
1300                                 host_client->sendsignon = false;
1301                         }
1302                 }
1303         }
1304
1305 // clear muzzle flashes
1306         SV_CleanupEnts();
1307 }
1308
1309
1310 /*
1311 ==============================================================================
1312
1313 SERVER SPAWNING
1314
1315 ==============================================================================
1316 */
1317
1318 /*
1319 ================
1320 SV_ModelIndex
1321
1322 ================
1323 */
1324 int SV_ModelIndex (const char *name)
1325 {
1326         int i;
1327
1328         if (!name || !name[0])
1329                 return 0;
1330
1331         for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1332                 if (!strcmp(sv.model_precache[i], name))
1333                         return i;
1334         if (i==MAX_MODELS || !sv.model_precache[i])
1335         {
1336                 Con_DPrintf ("SV_ModelIndex: model %s not precached", name);
1337                 return -1;
1338         }
1339         return i;
1340 }
1341
1342 /*
1343 ================
1344 SV_CreateBaseline
1345
1346 ================
1347 */
1348 void SV_CreateBaseline (void)
1349 {
1350         int i, entnum, large;
1351         edict_t *svent;
1352
1353         // LordHavoc: clear *all* states (note just active ones)
1354         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1355         {
1356                 // get the current server version
1357                 svent = EDICT_NUM(entnum);
1358
1359                 // LordHavoc: always clear state values, whether the entity is in use or not
1360                 svent->e->baseline = defaultstate;
1361
1362                 if (svent->e->free)
1363                         continue;
1364                 if (entnum > svs.maxclients && !svent->v->modelindex)
1365                         continue;
1366
1367                 // create entity baseline
1368                 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1369                 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1370                 svent->e->baseline.frame = svent->v->frame;
1371                 svent->e->baseline.skin = svent->v->skin;
1372                 if (entnum > 0 && entnum <= svs.maxclients)
1373                 {
1374                         svent->e->baseline.colormap = entnum;
1375                         i = SV_ModelIndex("progs/player.mdl");
1376                         if (i < 0)
1377                                 i = 0;
1378                         svent->e->baseline.modelindex = i;
1379                 }
1380                 else
1381                 {
1382                         svent->e->baseline.colormap = 0;
1383                         svent->e->baseline.modelindex = svent->v->modelindex;
1384                 }
1385
1386                 large = false;
1387                 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1388                         large = true;
1389
1390                 // add to the message
1391                 if (large)
1392                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1393                 else
1394                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1395                 MSG_WriteShort (&sv.signon, entnum);
1396
1397                 if (large)
1398                 {
1399                         MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1400                         MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1401                 }
1402                 else
1403                 {
1404                         MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1405                         MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1406                 }
1407                 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1408                 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1409                 for (i=0 ; i<3 ; i++)
1410                 {
1411                         MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
1412                         MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
1413                 }
1414         }
1415 }
1416
1417
1418 /*
1419 ================
1420 SV_SendReconnect
1421
1422 Tell all the clients that the server is changing levels
1423 ================
1424 */
1425 void SV_SendReconnect (void)
1426 {
1427         char    data[128];
1428         sizebuf_t       msg;
1429
1430         msg.data = data;
1431         msg.cursize = 0;
1432         msg.maxsize = sizeof(data);
1433
1434         MSG_WriteChar (&msg, svc_stufftext);
1435         MSG_WriteString (&msg, "reconnect\n");
1436         NetConn_SendToAll (&msg, 5);
1437
1438         if (cls.state != ca_dedicated)
1439                 Cmd_ExecuteString ("reconnect\n", src_command);
1440 }
1441
1442
1443 /*
1444 ================
1445 SV_SaveSpawnparms
1446
1447 Grabs the current state of each client for saving across the
1448 transition to another level
1449 ================
1450 */
1451 void SV_SaveSpawnparms (void)
1452 {
1453         int             i, j;
1454
1455         svs.serverflags = pr_global_struct->serverflags;
1456
1457         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1458         {
1459                 if (!host_client->active)
1460                         continue;
1461
1462         // call the progs to get default spawn parms for the new client
1463                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1464                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1465                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1466                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1467         }
1468 }
1469
1470 void SV_IncreaseEdicts(void)
1471 {
1472         int i;
1473         edict_t *ent;
1474         int oldmax_edicts = sv.max_edicts;
1475         void *oldedictsengineprivate = sv.edictsengineprivate;
1476         void *oldedictsfields = sv.edictsfields;
1477         void *oldmoved_edicts = sv.moved_edicts;
1478
1479         if (sv.max_edicts >= MAX_EDICTS)
1480                 return;
1481
1482         // links don't survive the transition, so unlink everything
1483         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1484         {
1485                 if (!ent->e->free)
1486                         SV_UnlinkEdict(sv.edicts + i);
1487                 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1488         }
1489         SV_ClearWorld();
1490
1491         sv.max_edicts   = min(sv.max_edicts + 256, MAX_EDICTS);
1492         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1493         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1494         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1495
1496         memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1497         memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1498
1499         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1500         {
1501                 ent->e = sv.edictsengineprivate + i;
1502                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1503                 // link every entity except world
1504                 if (!ent->e->free)
1505                         SV_LinkEdict(ent, false);
1506         }
1507
1508         Mem_Free(oldedictsengineprivate);
1509         Mem_Free(oldedictsfields);
1510         Mem_Free(oldmoved_edicts);
1511 }
1512
1513 /*
1514 ================
1515 SV_SpawnServer
1516
1517 This is called at the start of each level
1518 ================
1519 */
1520 extern float            scr_centertime_off;
1521
1522 void SV_SpawnServer (const char *server)
1523 {
1524         edict_t *ent;
1525         int i;
1526         qbyte *entities;
1527         model_t *worldmodel;
1528         char modelname[sizeof(sv.modelname)];
1529
1530         Con_DPrintf("SpawnServer: %s\n", server);
1531
1532         snprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1533         worldmodel = Mod_ForName(modelname, false, true, true);
1534         if (!worldmodel || !worldmodel->TraceBox)
1535         {
1536                 Con_Printf("Couldn't load map %s\n", modelname);
1537                 return;
1538         }
1539
1540         // let's not have any servers with no name
1541         if (hostname.string[0] == 0)
1542                 Cvar_Set ("hostname", "UNNAMED");
1543         scr_centertime_off = 0;
1544
1545         svs.changelevel_issued = false;         // now safe to issue another
1546
1547 //
1548 // tell all connected clients that we are going to a new level
1549 //
1550         if (sv.active)
1551                 SV_SendReconnect();
1552         else
1553         {
1554                 // make sure cvars have been checked before opening the ports
1555                 NetConn_ServerFrame();
1556                 NetConn_OpenServerPorts(true);
1557         }
1558
1559 //
1560 // make cvars consistant
1561 //
1562         if (coop.integer)
1563                 Cvar_SetValue ("deathmatch", 0);
1564         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1565
1566         Cvar_SetValue ("skill", (float)current_skill);
1567
1568 //
1569 // set up the new server
1570 //
1571         Host_ClearMemory ();
1572
1573         memset (&sv, 0, sizeof(sv));
1574
1575         strlcpy (sv.name, server, sizeof (sv.name));
1576
1577         // FIXME: cvar
1578         if (!strcasecmp(sv_protocolname.string, "QUAKE"))
1579         {
1580                 sv.protocol = PROTOCOL_QUAKE;
1581                 sv.netquakecompatible = true;
1582         }
1583         else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
1584         {
1585                 sv.protocol = PROTOCOL_QUAKE;
1586                 sv.netquakecompatible = false;
1587         }
1588         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
1589         {
1590                 sv.protocol = PROTOCOL_DARKPLACES1;
1591                 sv.netquakecompatible = false;
1592         }
1593         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
1594         {
1595                 sv.protocol = PROTOCOL_DARKPLACES2;
1596                 sv.netquakecompatible = false;
1597         }
1598         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
1599         {
1600                 sv.protocol = PROTOCOL_DARKPLACES3;
1601                 sv.netquakecompatible = false;
1602         }
1603         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
1604         {
1605                 sv.protocol = PROTOCOL_DARKPLACES4;
1606                 sv.netquakecompatible = false;
1607         }
1608         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
1609         {
1610                 sv.protocol = PROTOCOL_DARKPLACES5;
1611                 sv.netquakecompatible = false;
1612         }
1613         else
1614         {
1615                 sv.protocol = PROTOCOL_DARKPLACES5;
1616                 sv.netquakecompatible = false;
1617                 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);
1618         }
1619
1620 // load progs to get entity field count
1621         PR_LoadProgs ();
1622
1623 // allocate server memory
1624         // start out with just enough room for clients and a reasonable estimate of entities
1625         sv.max_edicts = max(svs.maxclients + 1, 512);
1626         sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1627
1628         // clear the edict memory pool
1629         Mem_EmptyPool(sv_edicts_mempool);
1630         // edict_t structures (hidden from progs)
1631         sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1632         // engine private structures (hidden from progs)
1633         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1634         // progs fields, often accessed by server
1635         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1636         // used by PushMove to move back pushed entities
1637         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1638         for (i = 0;i < sv.max_edicts;i++)
1639         {
1640                 ent = sv.edicts + i;
1641                 ent->e = sv.edictsengineprivate + i;
1642                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1643         }
1644
1645         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1646         sv.datagram.cursize = 0;
1647         sv.datagram.data = sv.datagram_buf;
1648
1649         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1650         sv.reliable_datagram.cursize = 0;
1651         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1652
1653         sv.signon.maxsize = sizeof(sv.signon_buf);
1654         sv.signon.cursize = 0;
1655         sv.signon.data = sv.signon_buf;
1656
1657 // leave slots at start for clients only
1658         sv.num_edicts = svs.maxclients+1;
1659
1660         sv.state = ss_loading;
1661         sv.paused = false;
1662
1663         sv.time = 1.0;
1664
1665         Mod_ClearUsed();
1666         worldmodel->used = true;
1667
1668         strlcpy (sv.name, server, sizeof (sv.name));
1669         strcpy(sv.modelname, modelname);
1670         sv.worldmodel = worldmodel;
1671         sv.models[1] = sv.worldmodel;
1672
1673 //
1674 // clear world interaction links
1675 //
1676         SV_ClearWorld ();
1677
1678         sv.sound_precache[0] = "";
1679
1680         sv.model_precache[0] = "";
1681         sv.model_precache[1] = sv.modelname;
1682         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1683         {
1684                 sv.model_precache[i+1] = localmodels[i];
1685                 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1686         }
1687
1688 //
1689 // load the rest of the entities
1690 //
1691         ent = EDICT_NUM(0);
1692         memset (ent->v, 0, progs->entityfields * 4);
1693         ent->e->free = false;
1694         ent->v->model = PR_SetString(sv.modelname);
1695         ent->v->modelindex = 1;         // world model
1696         ent->v->solid = SOLID_BSP;
1697         ent->v->movetype = MOVETYPE_PUSH;
1698
1699         if (coop.value)
1700                 pr_global_struct->coop = coop.integer;
1701         else
1702                 pr_global_struct->deathmatch = deathmatch.integer;
1703
1704         pr_global_struct->mapname = PR_SetString(sv.name);
1705
1706 // serverflags are for cross level information (sigils)
1707         pr_global_struct->serverflags = svs.serverflags;
1708
1709         // load replacement entity file if found
1710         entities = NULL;
1711         if (sv_entpatch.integer)
1712                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
1713         if (entities)
1714         {
1715                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1716                 ED_LoadFromFile (entities);
1717                 Mem_Free(entities);
1718         }
1719         else
1720                 ED_LoadFromFile (sv.worldmodel->brush.entities);
1721
1722
1723         // LordHavoc: clear world angles (to fix e3m3.bsp)
1724         VectorClear(sv.edicts->v->angles);
1725
1726         sv.active = true;
1727
1728 // all setup is completed, any further precache statements are errors
1729         sv.state = ss_active;
1730
1731 // run two frames to allow everything to settle
1732         for (i = 0;i < 2;i++)
1733         {
1734                 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1735                 SV_Physics ();
1736         }
1737
1738         Mod_PurgeUnused();
1739
1740 // create a baseline for more efficient communications
1741         if (sv.protocol == PROTOCOL_QUAKE)
1742                 SV_CreateBaseline ();
1743
1744 // send serverinfo to all connected clients
1745         // (note this also handles botclients coming back from a level change)
1746         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1747                 if (host_client->active)
1748                         SV_SendServerinfo(host_client);
1749
1750         Con_DPrint("Server spawned.\n");
1751         NetConn_Heartbeat (2);
1752 }
1753