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