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_DARKPLACES6 for example, minus the PROTOCOL_ prefix
  26 cvar_t sv_protocolname = {0, "sv_protocolname", "DARKPLACES6"};
  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 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1"};
  43
  44 cvar_t sv_progs = {0, "sv_progs", "progs.dat" };
  45
  46 server_t sv;
  47 server_static_t svs;
  48
  49 mempool_t *sv_edicts_mempool = NULL;
  50
  51 //============================================================================
  52
  53 extern void SV_Phys_Init (void);
  54 extern void SV_World_Init (void);
  55 static void SV_SaveEntFile_f(void);
  56
  57 /*
  58 ===============
  59 SV_Init
  60 ===============
  61 */
  62 void SV_Init (void)
  63 {
  64         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f);
  65         Cvar_RegisterVariable (&sv_maxvelocity);
  66         Cvar_RegisterVariable (&sv_gravity);
  67         Cvar_RegisterVariable (&sv_friction);
  68         Cvar_RegisterVariable (&sv_edgefriction);
  69         Cvar_RegisterVariable (&sv_stopspeed);
  70         Cvar_RegisterVariable (&sv_maxspeed);
  71         Cvar_RegisterVariable (&sv_accelerate);
  72         Cvar_RegisterVariable (&sv_idealpitchscale);
  73         Cvar_RegisterVariable (&sv_aim);
  74         Cvar_RegisterVariable (&sv_nostep);
  75         Cvar_RegisterVariable (&sv_deltacompress);
  76         Cvar_RegisterVariable (&sv_cullentities_pvs);
  77         Cvar_RegisterVariable (&sv_cullentities_trace);
  78         Cvar_RegisterVariable (&sv_cullentities_stats);
  79         Cvar_RegisterVariable (&sv_entpatch);
  80         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
  81         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
  82         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
  83         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
  84         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
  85         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
  86         Cvar_RegisterVariable (&sv_protocolname);
  87         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
  88         Cvar_RegisterVariable (&sv_maxrate);
  89         Cvar_RegisterVariable (&sv_progs);
  90
  91         SV_Phys_Init();
  92         SV_World_Init();
  93
  94         sv_edicts_mempool = Mem_AllocPool("server edicts", 0, NULL);
  95 }
  96
  97 static void SV_SaveEntFile_f(void)
  98 {
  99         char basename[MAX_QPATH];
 100         if (!sv.active || !sv.worldmodel)
 101         {
 102                 Con_Print("Not running a server\n");
 103                 return;
 104         }
 105         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 106         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, strlen(sv.worldmodel->brush.entities));
 107 }
 108
 109
 110 /*
 111 =============================================================================
 112
 113 EVENT MESSAGES
 114
 115 =============================================================================
 116 */
 117
 118 /*
 119 ==================
 120 SV_StartParticle
 121
 122 Make sure the event gets sent to all clients
 123 ==================
 124 */
 125 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 126 {
 127         int             i, v;
 128
 129         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 130                 return;
 131         MSG_WriteByte (&sv.datagram, svc_particle);
 132         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 133         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 134         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 135         for (i=0 ; i<3 ; i++)
 136         {
 137                 v = dir[i]*16;
 138                 if (v > 127)
 139                         v = 127;
 140                 else if (v < -128)
 141                         v = -128;
 142                 MSG_WriteChar (&sv.datagram, v);
 143         }
 144         MSG_WriteByte (&sv.datagram, count);
 145         MSG_WriteByte (&sv.datagram, color);
 146 }
 147
 148 /*
 149 ==================
 150 SV_StartEffect
 151
 152 Make sure the event gets sent to all clients
 153 ==================
 154 */
 155 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 156 {
 157         if (modelindex >= 256 || startframe >= 256)
 158         {
 159                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 160                         return;
 161                 MSG_WriteByte (&sv.datagram, svc_effect2);
 162                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 163                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 164                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 165                 MSG_WriteShort (&sv.datagram, modelindex);
 166                 MSG_WriteShort (&sv.datagram, startframe);
 167                 MSG_WriteByte (&sv.datagram, framecount);
 168                 MSG_WriteByte (&sv.datagram, framerate);
 169         }
 170         else
 171         {
 172                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 173                         return;
 174                 MSG_WriteByte (&sv.datagram, svc_effect);
 175                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 176                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 177                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 178                 MSG_WriteByte (&sv.datagram, modelindex);
 179                 MSG_WriteByte (&sv.datagram, startframe);
 180                 MSG_WriteByte (&sv.datagram, framecount);
 181                 MSG_WriteByte (&sv.datagram, framerate);
 182         }
 183 }
 184
 185 /*
 186 ==================
 187 SV_StartSound
 188
 189 Each entity can have eight independant sound sources, like voice,
 190 weapon, feet, etc.
 191
 192 Channel 0 is an auto-allocate channel, the others override anything
 193 already running on that entity/channel pair.
 194
 195 An attenuation of 0 will play full volume everywhere in the level.
 196 Larger attenuations will drop off.  (max 4 attenuation)
 197
 198 ==================
 199 */
 200 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
 201 {
 202         int sound_num, field_mask, i, ent;
 203
 204         if (volume < 0 || volume > 255)
 205                 Host_Error ("SV_StartSound: volume = %i", volume);
 206
 207         if (attenuation < 0 || attenuation > 4)
 208                 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
 209
 210         if (channel < 0 || channel > 7)
 211                 Host_Error ("SV_StartSound: channel = %i", channel);
 212
 213         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 214                 return;
 215
 216 // find precache number for sound
 217         sound_num = SV_SoundIndex(sample, 1);
 218         if (!sound_num)
 219                 return;
 220
 221         ent = NUM_FOR_EDICT(entity);
 222
 223         field_mask = 0;
 224         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 225                 field_mask |= SND_VOLUME;
 226         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 227                 field_mask |= SND_ATTENUATION;
 228         if (ent >= 8192)
 229                 field_mask |= SND_LARGEENTITY;
 230         if (sound_num >= 256 || channel >= 8)
 231                 field_mask |= SND_LARGESOUND;
 232
 233 // directed messages go only to the entity they are targeted on
 234         MSG_WriteByte (&sv.datagram, svc_sound);
 235         MSG_WriteByte (&sv.datagram, field_mask);
 236         if (field_mask & SND_VOLUME)
 237                 MSG_WriteByte (&sv.datagram, volume);
 238         if (field_mask & SND_ATTENUATION)
 239                 MSG_WriteByte (&sv.datagram, attenuation*64);
 240         if (field_mask & SND_LARGEENTITY)
 241         {
 242                 MSG_WriteShort (&sv.datagram, ent);
 243                 MSG_WriteByte (&sv.datagram, channel);
 244         }
 245         else
 246                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 247         if (field_mask & SND_LARGESOUND)
 248                 MSG_WriteShort (&sv.datagram, sound_num);
 249         else
 250                 MSG_WriteByte (&sv.datagram, sound_num);
 251         for (i = 0;i < 3;i++)
 252                 MSG_WriteCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]), sv.protocol);
 253 }
 254
 255 /*
 256 ==============================================================================
 257
 258 CLIENT SPAWNING
 259
 260 ==============================================================================
 261 */
 262
 263 /*
 264 ================
 265 SV_SendServerinfo
 266
 267 Sends the first message from the server to a connected client.
 268 This will be sent on the initial connection and upon each server load.
 269 ================
 270 */
 271 void SV_SendServerinfo (client_t *client)
 272 {
 273         int i;
 274         char message[128];
 275
 276         // edicts get reallocated on level changes, so we need to update it here
 277         client->edict = EDICT_NUM((client - svs.clients) + 1);
 278
 279         // if client is a botclient coming from a level change, we need to set up
 280         // client info that normally requires networking
 281         if (!client->netconnection)
 282         {
 283                 // set up the edict
 284                 ED_ClearEdict(client->edict);
 285
 286                 // copy spawn parms out of the client_t
 287                 for (i=0 ; i< NUM_SPAWN_PARMS ; i++)
 288                         (&pr_global_struct->parm1)[i] = host_client->spawn_parms[i];
 289
 290                 // call the spawn function
 291                 pr_global_struct->time = sv.time;
 292                 pr_global_struct->self = EDICT_TO_PROG(client->edict);
 293                 PR_ExecuteProgram (pr_global_struct->ClientConnect, "QC function ClientConnect is missing");
 294                 PR_ExecuteProgram (pr_global_struct->PutClientInServer, "QC function PutClientInServer is missing");
 295                 host_client->spawned = true;
 296                 return;
 297         }
 298
 299         // LordHavoc: clear entityframe tracking
 300         client->latestframenum = 0;
 301
 302         if (client->entitydatabase)
 303                 EntityFrame_FreeDatabase(client->entitydatabase);
 304         if (client->entitydatabase4)
 305                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 306         if (client->entitydatabase5)
 307                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 308
 309         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 310                 client->entitydatabase = EntityFrame_AllocDatabase(sv_clients_mempool);
 311         if (sv.protocol == PROTOCOL_DARKPLACES4)
 312                 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
 313         if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 314                 client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_clients_mempool);
 315
 316         MSG_WriteByte (&client->message, svc_print);
 317         dpsnprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
 318         MSG_WriteString (&client->message,message);
 319
 320         MSG_WriteByte (&client->message, svc_serverinfo);
 321         MSG_WriteLong (&client->message, sv.protocol);
 322         MSG_WriteByte (&client->message, svs.maxclients);
 323
 324         if (!coop.integer && deathmatch.integer)
 325                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
 326         else
 327                 MSG_WriteByte (&client->message, GAME_COOP);
 328
 329         MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
 330
 331         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 332                 MSG_WriteString (&client->message, sv.model_precache[i]);
 333         MSG_WriteByte (&client->message, 0);
 334
 335         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 336                 MSG_WriteString (&client->message, sv.sound_precache[i]);
 337         MSG_WriteByte (&client->message, 0);
 338
 339 // send music
 340         MSG_WriteByte (&client->message, svc_cdtrack);
 341         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 342         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 343
 344 // set view
 345         MSG_WriteByte (&client->message, svc_setview);
 346         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
 347
 348         MSG_WriteByte (&client->message, svc_signonnum);
 349         MSG_WriteByte (&client->message, 1);
 350
 351         client->sendsignon = true;
 352         client->spawned = false;                // need prespawn, spawn, etc
 353 }
 354
 355 /*
 356 ================
 357 SV_ConnectClient
 358
 359 Initializes a client_t for a new net connection.  This will only be called
 360 once for a player each game, not once for each level change.
 361 ================
 362 */
 363 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 364 {
 365         client_t                *client;
 366         int                             i;
 367         float                   spawn_parms[NUM_SPAWN_PARMS];
 368
 369         client = svs.clients + clientnum;
 370
 371 // set up the client_t
 372         if (sv.loadgame)
 373                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 374         memset (client, 0, sizeof(*client));
 375         client->active = true;
 376         client->netconnection = netconnection;
 377
 378         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 379
 380         strcpy(client->name, "unconnected");
 381         strcpy(client->old_name, "unconnected");
 382         client->spawned = false;
 383         client->edict = EDICT_NUM(clientnum+1);
 384         client->message.data = client->msgbuf;
 385         client->message.maxsize = sizeof(client->msgbuf);
 386         client->message.allowoverflow = true;           // we can catch it
 387         // updated by receiving "rate" command from client
 388         client->rate = NET_MINRATE;
 389         // no limits for local player
 390         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 391                 client->rate = 1000000000;
 392         client->connecttime = realtime;
 393
 394         if (sv.loadgame)
 395                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 396         else
 397         {
 398                 // call the progs to get default spawn parms for the new client
 399                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
 400                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 401                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
 402         }
 403
 404         // don't call SendServerinfo for a fresh botclient because its fields have
 405         // not been set up by the qc yet
 406         if (client->netconnection)
 407                 SV_SendServerinfo (client);
 408         else
 409                 client->spawned = true;
 410 }
 411
 412
 413 /*
 414 ===============================================================================
 415
 416 FRAME UPDATES
 417
 418 ===============================================================================
 419 */
 420
 421 /*
 422 ==================
 423 SV_ClearDatagram
 424
 425 ==================
 426 */
 427 void SV_ClearDatagram (void)
 428 {
 429         SZ_Clear (&sv.datagram);
 430 }
 431
 432 /*
 433 =============================================================================
 434
 435 The PVS must include a small area around the client to allow head bobbing
 436 or other small motion on the client side.  Otherwise, a bob might cause an
 437 entity that should be visible to not show up, especially when the bob
 438 crosses a waterline.
 439
 440 =============================================================================
 441 */
 442
 443 int sv_writeentitiestoclient_pvsbytes;
 444 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
 445
 446 static int numsendentities;
 447 static entity_state_t sendentities[MAX_EDICTS];
 448 static entity_state_t *sendentitiesindex[MAX_EDICTS];
 449
 450 void SV_PrepareEntitiesForSending(void)
 451 {
 452         int e, i;
 453         float f;
 454         edict_t *ent;
 455         eval_t *val;
 456         entity_state_t cs;
 457         // send all entities that touch the pvs
 458         numsendentities = 0;
 459         sendentitiesindex[0] = NULL;
 460         for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 461         {
 462                 sendentitiesindex[e] = NULL;
 463                 if (ent->e->free)
 464                         continue;
 465
 466                 cs = defaultstate;
 467                 cs.active = true;
 468                 cs.number = e;
 469                 VectorCopy(ent->v->origin, cs.origin);
 470                 VectorCopy(ent->v->angles, cs.angles);
 471                 cs.flags = 0;
 472                 cs.effects = (int)ent->v->effects;
 473                 cs.colormap = (qbyte)ent->v->colormap;
 474                 cs.skin = (qbyte)ent->v->skin;
 475                 cs.frame = (qbyte)ent->v->frame;
 476                 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
 477                 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
 478                 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
 479                 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
 480                 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
 481                 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
 482                 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
 483                 cs.glowsize = (qbyte)bound(0, i, 255);
 484                 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
 485                         cs.flags |= RENDER_GLOWTRAIL;
 486
 487                 // don't need to init cs.colormod because the defaultstate did that for us
 488                 //cs.colormod[0] = cs.colormod[1] = cs.colormod[2] = 32;
 489                 val = GETEDICTFIELDVALUE(ent, eval_colormod);
 490                 if (val->vector[0] || val->vector[1] || val->vector[2])
 491                 {
 492                         i = val->vector[0] * 32.0f;cs.colormod[0] = bound(0, i, 255);
 493                         i = val->vector[1] * 32.0f;cs.colormod[1] = bound(0, i, 255);
 494                         i = val->vector[2] * 32.0f;cs.colormod[2] = bound(0, i, 255);
 495                 }
 496
 497                 cs.modelindex = 0;
 498                 i = (int)ent->v->modelindex;
 499                 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
 500                         cs.modelindex = i;
 501
 502                 cs.alpha = 255;
 503                 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
 504                 if (f)
 505                 {
 506                         i = (int)f;
 507                         cs.alpha = (qbyte)bound(0, i, 255);
 508                 }
 509                 // halflife
 510                 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
 511                 if (f)
 512                 {
 513                         i = (int)f;
 514                         cs.alpha = (qbyte)bound(0, i, 255);
 515                 }
 516
 517                 cs.scale = 16;
 518                 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
 519                 if (f)
 520                 {
 521                         i = (int)f;
 522                         cs.scale = (qbyte)bound(0, i, 255);
 523                 }
 524
 525                 cs.glowcolor = 254;
 526                 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
 527                 if (f)
 528                         cs.glowcolor = (int)f;
 529
 530                 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
 531                         cs.effects |= EF_FULLBRIGHT;
 532
 533                 if (ent->v->movetype == MOVETYPE_STEP)
 534                         cs.flags |= RENDER_STEP;
 535                 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)
 536                         cs.flags |= RENDER_LOWPRECISION;
 537                 if (ent->v->colormap >= 1024)
 538                         cs.flags |= RENDER_COLORMAPPED;
 539                 if (cs.viewmodelforclient)
 540                         cs.flags |= RENDER_VIEWMODEL; // show relative to the view
 541
 542                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
 543                 cs.light[0] = (unsigned short)bound(0, f, 65535);
 544                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
 545                 cs.light[1] = (unsigned short)bound(0, f, 65535);
 546                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
 547                 cs.light[2] = (unsigned short)bound(0, f, 65535);
 548                 f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
 549                 cs.light[3] = (unsigned short)bound(0, f, 65535);
 550                 cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
 551                 cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
 552
 553                 if (gamemode == GAME_TENEBRAE)
 554                 {
 555                         // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
 556                         if (cs.effects & 16)
 557                         {
 558                                 cs.effects &= ~16;
 559                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 560                         }
 561                         // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
 562                         if (cs.effects & 32)
 563                         {
 564                                 cs.effects &= ~32;
 565                                 cs.light[0] = 0.2;
 566                                 cs.light[1] = 1;
 567                                 cs.light[2] = 0.2;
 568                                 cs.light[3] = 200;
 569                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 570                         }
 571                 }
 572
 573                 cs.specialvisibilityradius = 0;
 574                 if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
 575                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
 576                 if (cs.glowsize)
 577                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
 578                 if (cs.flags & RENDER_GLOWTRAIL)
 579                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 580                 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 581                 {
 582                         if (cs.effects & EF_BRIGHTFIELD)
 583                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
 584                         if (cs.effects & EF_MUZZLEFLASH)
 585                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 586                         if (cs.effects & EF_BRIGHTLIGHT)
 587                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
 588                         if (cs.effects & EF_DIMLIGHT)
 589                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 590                         if (cs.effects & EF_RED)
 591                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 592                         if (cs.effects & EF_BLUE)
 593                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 594                         if (cs.effects & EF_FLAME)
 595                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
 596                         if (cs.effects & EF_STARDUST)
 597                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 598                 }
 599
 600                 if (numsendentities >= MAX_EDICTS)
 601                         continue;
 602                 // we can omit invisible entities with no effects that are not clients
 603                 // LordHavoc: this could kill tags attached to an invisible entity, I
 604                 // just hope we never have to support that case
 605                 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
 606                         continue;
 607                 sendentitiesindex[e] = sendentities + numsendentities;
 608                 sendentities[numsendentities++] = cs;
 609         }
 610 }
 611
 612 static int sententitiesmark = 0;
 613 static int sententities[MAX_EDICTS];
 614 static int sententitiesconsideration[MAX_EDICTS];
 615 static int sv_writeentitiestoclient_culled_pvs;
 616 static int sv_writeentitiestoclient_culled_trace;
 617 static int sv_writeentitiestoclient_visibleentities;
 618 static int sv_writeentitiestoclient_totalentities;
 619 //static entity_frame_t sv_writeentitiestoclient_entityframe;
 620 static int sv_writeentitiestoclient_clentnum;
 621 static vec3_t sv_writeentitiestoclient_testeye;
 622 static client_t *sv_writeentitiestoclient_client;
 623
 624 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 625 {
 626         int isbmodel;
 627         vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
 628         model_t *model;
 629         trace_t trace;
 630         if (sententitiesconsideration[s->number] == sententitiesmark)
 631                 return;
 632         sententitiesconsideration[s->number] = sententitiesmark;
 633         // viewmodels don't have visibility checking
 634         if (s->viewmodelforclient)
 635         {
 636                 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
 637                         return;
 638         }
 639         // never reject player
 640         else if (s->number != sv_writeentitiestoclient_clentnum)
 641         {
 642                 // check various rejection conditions
 643                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
 644                         return;
 645                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
 646                         return;
 647                 if (s->effects & EF_NODRAW)
 648                         return;
 649                 // LordHavoc: only send entities with a model or important effects
 650                 if (!s->modelindex && s->specialvisibilityradius == 0)
 651                         return;
 652                 if (s->tagentity)
 653                 {
 654                         // tag attached entities simply check their parent
 655                         if (!sendentitiesindex[s->tagentity])
 656                                 return;
 657                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
 658                         if (sententities[s->tagentity] != sententitiesmark)
 659                                 return;
 660                 }
 661                 // skip invalid modelindexes to avoid crashes
 662                 else if (s->modelindex >= MAX_MODELS)
 663                         return;
 664                 // always send world submodels, they don't generate much traffic
 665                 // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
 666                 else if (!(s->effects & EF_NODEPTHTEST) && (!(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') || sv.protocol == PROTOCOL_QUAKE))
 667                 {
 668                         Mod_CheckLoaded(model);
 669                         // entity has survived every check so far, check if visible
 670                         // enlarged box to account for prediction (not that there is
 671                         // any currently, but still helps the 'run into a room and
 672                         // watch items pop up' problem)
 673                         entmins[0] = s->origin[0] - 32.0f;
 674                         entmins[1] = s->origin[1] - 32.0f;
 675                         entmins[2] = s->origin[2] - 32.0f;
 676                         entmaxs[0] = s->origin[0] + 32.0f;
 677                         entmaxs[1] = s->origin[1] + 32.0f;
 678                         entmaxs[2] = s->origin[2] + 32.0f;
 679                         // using the model's bounding box to ensure things are visible regardless of their physics box
 680                         if (model)
 681                         {
 682                                 if (s->angles[0] || s->angles[2]) // pitch and roll
 683                                 {
 684                                         VectorAdd(entmins, model->rotatedmins, entmins);
 685                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 686                                 }
 687                                 else if (s->angles[1])
 688                                 {
 689                                         VectorAdd(entmins, model->yawmins, entmins);
 690                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 691                                 }
 692                                 else
 693                                 {
 694                                         VectorAdd(entmins, model->normalmins, entmins);
 695                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 696                                 }
 697                         }
 698                         lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
 699                         lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
 700                         lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
 701                         lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
 702                         lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
 703                         lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
 704                         sv_writeentitiestoclient_totalentities++;
 705                         // if not touching a visible leaf
 706                         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))
 707                         {
 708                                 sv_writeentitiestoclient_culled_pvs++;
 709                                 return;
 710                         }
 711                         // or not seen by random tracelines
 712                         if (sv_cullentities_trace.integer && !isbmodel)
 713                         {
 714                                 // LordHavoc: test center first
 715                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
 716                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
 717                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
 718                                 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 719                                 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 720                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 721                                 else
 722                                 {
 723                                         // LordHavoc: test random offsets, to maximize chance of detection
 724                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 725                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 726                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 727                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 728                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 729                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 730                                         else
 731                                         {
 732                                                 if (s->specialvisibilityradius)
 733                                                 {
 734                                                         // LordHavoc: test random offsets, to maximize chance of detection
 735                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
 736                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
 737                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
 738                                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 739                                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 740                                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 741                                                 }
 742                                         }
 743                                 }
 744                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
 745                                 {
 746                                         sv_writeentitiestoclient_culled_trace++;
 747                                         return;
 748                                 }
 749                         }
 750                         sv_writeentitiestoclient_visibleentities++;
 751                 }
 752         }
 753         // this just marks it for sending
 754         // FIXME: it would be more efficient to send here, but the entity
 755         // compressor isn't that flexible
 756         sententities[s->number] = sententitiesmark;
 757 }
 758
 759 entity_state_t sendstates[MAX_EDICTS];
 760
 761 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg, int *stats)
 762 {
 763         int i, numsendstates;
 764         entity_state_t *s;
 765
 766         // if there isn't enough space to accomplish anything, skip it
 767         if (msg->cursize + 25 > msg->maxsize)
 768                 return;
 769
 770         sv_writeentitiestoclient_client = client;
 771
 772         sv_writeentitiestoclient_culled_pvs = 0;
 773         sv_writeentitiestoclient_culled_trace = 0;
 774         sv_writeentitiestoclient_visibleentities = 0;
 775         sv_writeentitiestoclient_totalentities = 0;
 776
 777         Mod_CheckLoaded(sv.worldmodel);
 778
 779 // find the client's PVS
 780         // the real place being tested from
 781         VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
 782         sv_writeentitiestoclient_pvsbytes = 0;
 783         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
 784                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 785
 786         sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 787
 788         sententitiesmark++;
 789
 790         for (i = 0;i < numsendentities;i++)
 791                 SV_MarkWriteEntityStateToClient(sendentities + i);
 792
 793         numsendstates = 0;
 794         for (i = 0;i < numsendentities;i++)
 795         {
 796                 if (sententities[sendentities[i].number] == sententitiesmark)
 797                 {
 798                         s = &sendstates[numsendstates++];
 799                         *s = sendentities[i];
 800                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
 801                                 s->flags |= RENDER_EXTERIORMODEL;
 802                 }
 803         }
 804
 805         if (sv_cullentities_stats.integer)
 806                 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);
 807
 808         if (client->entitydatabase5)
 809                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats);
 810         else if (client->entitydatabase4)
 811                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
 812         else if (client->entitydatabase)
 813                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
 814         else
 815                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
 816 }
 817
 818 /*
 819 =============
 820 SV_CleanupEnts
 821
 822 =============
 823 */
 824 void SV_CleanupEnts (void)
 825 {
 826         int             e;
 827         edict_t *ent;
 828
 829         ent = NEXT_EDICT(sv.edicts);
 830         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
 831                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
 832 }
 833
 834 /*
 835 ==================
 836 SV_WriteClientdataToMessage
 837
 838 ==================
 839 */
 840 void SV_WriteClientdataToMessage (client_t *client, edict_t *ent, sizebuf_t *msg, int *stats)
 841 {
 842         int             bits;
 843         int             i;
 844         edict_t *other;
 845         int             items;
 846         eval_t  *val;
 847         vec3_t  punchvector;
 848         qbyte   viewzoom;
 849         int             weaponmodelindex;
 850
 851 //
 852 // send a damage message
 853 //
 854         if (ent->v->dmg_take || ent->v->dmg_save)
 855         {
 856                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
 857                 MSG_WriteByte (msg, svc_damage);
 858                 MSG_WriteByte (msg, ent->v->dmg_save);
 859                 MSG_WriteByte (msg, ent->v->dmg_take);
 860                 for (i=0 ; i<3 ; i++)
 861                         MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
 862
 863                 ent->v->dmg_take = 0;
 864                 ent->v->dmg_save = 0;
 865         }
 866
 867 //
 868 // send the current viewpos offset from the view entity
 869 //
 870         SV_SetIdealPitch ();            // how much to look up / down ideally
 871
 872 // a fixangle might get lost in a dropped packet.  Oh well.
 873         if ( ent->v->fixangle )
 874         {
 875                 MSG_WriteByte (msg, svc_setangle);
 876                 for (i=0 ; i < 3 ; i++)
 877                         MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
 878                 ent->v->fixangle = 0;
 879         }
 880
 881         // stuff the sigil bits into the high bits of items for sbar, or else
 882         // mix in items2
 883         val = GETEDICTFIELDVALUE(ent, eval_items2);
 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         VectorClear(punchvector);
 890         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
 891                 VectorCopy(val->vector, punchvector);
 892
 893         weaponmodelindex = SV_ModelIndex(PR_GetString(ent->v->weaponmodel), 1);
 894
 895         viewzoom = 255;
 896         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
 897                 viewzoom = val->_float * 255.0f;
 898         if (viewzoom == 0)
 899                 viewzoom = 255;
 900
 901         bits = 0;
 902
 903         if ((int)ent->v->flags & FL_ONGROUND)
 904                 bits |= SU_ONGROUND;
 905         if (ent->v->waterlevel >= 2)
 906                 bits |= SU_INWATER;
 907         if (ent->v->idealpitch)
 908                 bits |= SU_IDEALPITCH;
 909
 910         for (i=0 ; i<3 ; i++)
 911         {
 912                 if (ent->v->punchangle[i])
 913                         bits |= (SU_PUNCH1<<i);
 914                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 915                         if (punchvector[i])
 916                                 bits |= (SU_PUNCHVEC1<<i);
 917                 if (ent->v->velocity[i])
 918                         bits |= (SU_VELOCITY1<<i);
 919         }
 920
 921         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
 922         stats[STAT_VIEWHEIGHT] = ent->v->view_ofs[2];
 923         stats[STAT_ITEMS] = items;
 924         stats[STAT_WEAPONFRAME] = ent->v->weaponframe;
 925         stats[STAT_ARMOR] = ent->v->armorvalue;
 926         stats[STAT_WEAPON] = weaponmodelindex;
 927         stats[STAT_HEALTH] = ent->v->health;
 928         stats[STAT_AMMO] = ent->v->currentammo;
 929         stats[STAT_SHELLS] = ent->v->ammo_shells;
 930         stats[STAT_NAILS] = ent->v->ammo_nails;
 931         stats[STAT_ROCKETS] = ent->v->ammo_rockets;
 932         stats[STAT_CELLS] = ent->v->ammo_cells;
 933         stats[STAT_ACTIVEWEAPON] = ent->v->weapon;
 934         stats[STAT_VIEWZOOM] = viewzoom;
 935         // the QC bumps these itself by sending svc_'s, so we have to keep them
 936         // zero or they'll be corrected by the engine
 937         //stats[STAT_TOTALSECRETS] = pr_global_struct->total_secrets;
 938         //stats[STAT_TOTALMONSTERS] = pr_global_struct->total_monsters;
 939         //stats[STAT_SECRETS] = pr_global_struct->found_secrets;
 940         //stats[STAT_MONSTERS] = pr_global_struct->killed_monsters;
 941
 942         if (sv.protocol != PROTOCOL_DARKPLACES6)
 943         {
 944                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
 945                 bits |= SU_ITEMS;
 946                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
 947                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
 948                 bits |= SU_WEAPON;
 949                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
 950                 if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 951                         if (viewzoom != 255)
 952                                 bits |= SU_VIEWZOOM;
 953         }
 954
 955         if (bits >= 65536)
 956                 bits |= SU_EXTEND1;
 957         if (bits >= 16777216)
 958                 bits |= SU_EXTEND2;
 959
 960         // send the data
 961         MSG_WriteByte (msg, svc_clientdata);
 962         MSG_WriteShort (msg, bits);
 963         if (bits & SU_EXTEND1)
 964                 MSG_WriteByte(msg, bits >> 16);
 965         if (bits & SU_EXTEND2)
 966                 MSG_WriteByte(msg, bits >> 24);
 967
 968         if (bits & SU_VIEWHEIGHT)
 969                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
 970
 971         if (bits & SU_IDEALPITCH)
 972                 MSG_WriteChar (msg, ent->v->idealpitch);
 973
 974         for (i=0 ; i<3 ; i++)
 975         {
 976                 if (bits & (SU_PUNCH1<<i))
 977                 {
 978                         if (sv.protocol == PROTOCOL_QUAKE)
 979                                 MSG_WriteChar(msg, ent->v->punchangle[i]);
 980                         else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 981                                 MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
 982                 }
 983                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 984                 {
 985                         if (bits & (SU_PUNCHVEC1<<i))
 986                         {
 987                                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 988                                         MSG_WriteCoord16i(msg, punchvector[i]);
 989                                 else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 990                                         MSG_WriteCoord32f(msg, punchvector[i]);
 991                         }
 992                 }
 993                 if (bits & (SU_VELOCITY1<<i))
 994                 {
 995                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 996                                 MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
 997                         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 998                                 MSG_WriteCoord32f(msg, ent->v->velocity[i]);
 999                 }
1000         }
1001
1002         if (bits & SU_ITEMS)
1003                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1004
1005         if (sv.protocol == PROTOCOL_DARKPLACES5)
1006         {
1007                 if (bits & SU_WEAPONFRAME)
1008                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1009                 if (bits & SU_ARMOR)
1010                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1011                 if (bits & SU_WEAPON)
1012                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1013                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1014                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1015                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1016                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1017                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1018                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1019                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1020                 if (bits & SU_VIEWZOOM)
1021                         MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1022         }
1023         else if (sv.protocol != PROTOCOL_DARKPLACES6)
1024         {
1025                 if (bits & SU_WEAPONFRAME)
1026                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1027                 if (bits & SU_ARMOR)
1028                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1029                 if (bits & SU_WEAPON)
1030                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1031                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1032                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1033                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1034                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1035                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1036                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1037                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1038                 {
1039                         for (i = 0;i < 32;i++)
1040                                 if (stats[STAT_WEAPON] & (1<<i))
1041                                         break;
1042                         MSG_WriteByte (msg, i);
1043                 }
1044                 else
1045                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1046                 if (bits & SU_VIEWZOOM)
1047                 {
1048                         if (sv.protocol == PROTOCOL_DARKPLACES4)
1049                                 MSG_WriteByte (msg, min(stats[STAT_VIEWZOOM], 255));
1050                         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
1051                                 MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1052                 }
1053         }
1054 }
1055
1056 /*
1057 =======================
1058 SV_SendClientDatagram
1059 =======================
1060 */
1061 static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1062 qboolean SV_SendClientDatagram (client_t *client)
1063 {
1064         int rate, maxrate, maxsize, maxsize2;
1065         sizebuf_t msg;
1066         int stats[MAX_CL_STATS];
1067
1068         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1069         {
1070                 // for good singleplayer, send huge packets
1071                 maxsize = sizeof(sv_sendclientdatagram_buf);
1072                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1073         }
1074         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
1075         {
1076                 // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
1077                 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1078                 if (sv_maxrate.integer != maxrate)
1079                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1080
1081                 rate = bound(NET_MINRATE, client->rate, maxrate);
1082                 rate = (int)(client->rate * sys_ticrate.value);
1083                 maxsize = bound(100, rate, 1400);
1084                 maxsize2 = 1400;
1085         }
1086         else
1087         {
1088                 // no rate limiting support on older protocols because dp protocols
1089                 // 1-4 kick the client off if they overflow, and quake protocol shows
1090                 // less than the full entity set if rate limited
1091                 maxsize = 1400;
1092                 maxsize2 = 1400;
1093         }
1094
1095         msg.data = sv_sendclientdatagram_buf;
1096         msg.maxsize = maxsize;
1097         msg.cursize = 0;
1098
1099         MSG_WriteByte (&msg, svc_time);
1100         MSG_WriteFloat (&msg, sv.time);
1101
1102         // add the client specific data to the datagram
1103         SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1104         SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1105
1106         // expand packet size to allow effects to go over the rate limit
1107         // (dropping them is FAR too ugly)
1108         msg.maxsize = maxsize2;
1109
1110         // copy the server datagram if there is space
1111         // FIXME: put in delayed queue of effects to send
1112         if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1113                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1114
1115 // send the datagram
1116         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1117         {
1118                 SV_DropClient (true);// if the message couldn't send, kick off
1119                 return false;
1120         }
1121
1122         return true;
1123 }
1124
1125 /*
1126 =======================
1127 SV_UpdateToReliableMessages
1128 =======================
1129 */
1130 void SV_UpdateToReliableMessages (void)
1131 {
1132         int i, j;
1133         client_t *client;
1134         eval_t *val;
1135         char *name;
1136         char *model;
1137         char *skin;
1138
1139 // check for changes to be sent over the reliable streams
1140         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1141         {
1142                 // update the host_client fields we care about according to the entity fields
1143                 host_client->edict = EDICT_NUM(i+1);
1144
1145                 // DP_SV_CLIENTNAME
1146                 name = PR_GetString(host_client->edict->v->netname);
1147                 if (name == NULL)
1148                         name = "";
1149                 // always point the string back at host_client->name to keep it safe
1150                 strlcpy (host_client->name, name, sizeof (host_client->name));
1151                 host_client->edict->v->netname = PR_SetString(host_client->name);
1152                 if (strcmp(host_client->old_name, host_client->name))
1153                 {
1154                         if (host_client->spawned)
1155                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1156                         strcpy(host_client->old_name, host_client->name);
1157                         // send notification to all clients
1158                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1159                         MSG_WriteByte (&sv.reliable_datagram, i);
1160                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1161                 }
1162
1163                 // DP_SV_CLIENTCOLORS
1164                 // this is always found (since it's added by the progs loader)
1165                 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_clientcolors)))
1166                         host_client->colors = (int)val->_float;
1167                 if (host_client->old_colors != host_client->colors)
1168                 {
1169                         host_client->old_colors = host_client->colors;
1170                         // send notification to all clients
1171                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1172                         MSG_WriteByte (&sv.reliable_datagram, i);
1173                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1174                 }
1175
1176                 // NEXUIZ_PLAYERMODEL
1177                 if( eval_playermodel ) {
1178                         model = PR_GetString(GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string);
1179                         if (model == NULL)
1180                                 model = "";
1181                         // always point the string back at host_client->name to keep it safe
1182                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
1183                         GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string = PR_SetString(host_client->playermodel);
1184                 }
1185
1186                 // NEXUIZ_PLAYERSKIN
1187                 if( eval_playerskin ) {
1188                         skin = PR_GetString(GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string);
1189                         if (skin == NULL)
1190                                 skin = "";
1191                         // always point the string back at host_client->name to keep it safe
1192                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
1193                         GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string = PR_SetString(host_client->playerskin);
1194                 }
1195
1196                 // frags
1197                 host_client->frags = (int)host_client->edict->v->frags;
1198                 if (host_client->old_frags != host_client->frags)
1199                 {
1200                         host_client->old_frags = host_client->frags;
1201                         // send notification to all clients
1202                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1203                         MSG_WriteByte (&sv.reliable_datagram, i);
1204                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1205                 }
1206         }
1207
1208         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1209                 if (client->netconnection)
1210                         SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1211
1212         SZ_Clear (&sv.reliable_datagram);
1213 }
1214
1215
1216 /*
1217 =======================
1218 SV_SendNop
1219
1220 Send a nop message without trashing or sending the accumulated client
1221 message buffer
1222 =======================
1223 */
1224 void SV_SendNop (client_t *client)
1225 {
1226         sizebuf_t       msg;
1227         qbyte           buf[4];
1228
1229         msg.data = buf;
1230         msg.maxsize = sizeof(buf);
1231         msg.cursize = 0;
1232
1233         MSG_WriteChar (&msg, svc_nop);
1234
1235         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1236                 SV_DropClient (true);   // if the message couldn't send, kick off
1237         client->last_message = realtime;
1238 }
1239
1240 /*
1241 =======================
1242 SV_SendClientMessages
1243 =======================
1244 */
1245 void SV_SendClientMessages (void)
1246 {
1247         int i, prepared = false;
1248
1249 // update frags, names, etc
1250         SV_UpdateToReliableMessages();
1251
1252 // build individual updates
1253         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1254         {
1255                 if (!host_client->active)
1256                         continue;
1257                 if (!host_client->netconnection)
1258                 {
1259                         SZ_Clear(&host_client->message);
1260                         continue;
1261                 }
1262
1263                 if (host_client->deadsocket || host_client->message.overflowed)
1264                 {
1265                         SV_DropClient (true);   // if the message couldn't send, kick off
1266                         continue;
1267                 }
1268
1269                 if (host_client->spawned)
1270                 {
1271                         if (!prepared)
1272                         {
1273                                 prepared = true;
1274                                 // only prepare entities once per frame
1275                                 SV_PrepareEntitiesForSending();
1276                         }
1277                         if (!SV_SendClientDatagram (host_client))
1278                                 continue;
1279                 }
1280                 else
1281                 {
1282                 // the player isn't totally in the game yet
1283                 // send small keepalive messages if too much time has passed
1284                 // send a full message when the next signon stage has been requested
1285                 // some other message data (name changes, etc) may accumulate
1286                 // between signon stages
1287                         if (!host_client->sendsignon)
1288                         {
1289                                 if (realtime - host_client->last_message > 5)
1290                                         SV_SendNop (host_client);
1291                                 continue;       // don't send out non-signon messages
1292                         }
1293                 }
1294
1295                 if (host_client->message.cursize || host_client->dropasap)
1296                 {
1297                         if (!NetConn_CanSendMessage (host_client->netconnection))
1298                                 continue;
1299
1300                         if (host_client->dropasap)
1301                                 SV_DropClient (false);  // went to another level
1302                         else
1303                         {
1304                                 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1305                                         SV_DropClient (true);   // if the message couldn't send, kick off
1306                                 SZ_Clear (&host_client->message);
1307                                 host_client->last_message = realtime;
1308                                 host_client->sendsignon = false;
1309                         }
1310                 }
1311         }
1312
1313 // clear muzzle flashes
1314         SV_CleanupEnts();
1315 }
1316
1317
1318 /*
1319 ==============================================================================
1320
1321 SERVER SPAWNING
1322
1323 ==============================================================================
1324 */
1325
1326 /*
1327 ================
1328 SV_ModelIndex
1329
1330 ================
1331 */
1332 int SV_ModelIndex(char *s, int precachemode)
1333 {
1334         int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_MODELS);
1335         char filename[MAX_QPATH];
1336         if (!s || !*s)
1337                 return 0;
1338         // testing
1339         //if (precachemode == 2)
1340         //      return 0;
1341         strlcpy(filename, s, sizeof(filename));
1342         for (i = 2;i < limit;i++)
1343         {
1344                 if (!sv.model_precache[i][0])
1345                 {
1346                         if (precachemode)
1347                         {
1348                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
1349                                 {
1350                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1351                                         return 0;
1352                                 }
1353                                 if (precachemode == 1)
1354                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1355                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1356                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1357                                 if (sv.protocol == PROTOCOL_DARKPLACES6 && sv.state != ss_loading)
1358                                 {
1359                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1360                                         MSG_WriteShort(&sv.reliable_datagram, i);
1361                                         MSG_WriteString(&sv.reliable_datagram, filename);
1362                                 }
1363                                 return i;
1364                         }
1365                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1366                         return 0;
1367                 }
1368                 if (!strcmp(sv.model_precache[i], filename))
1369                         return i;
1370         }
1371         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1372         return 0;
1373 }
1374
1375 /*
1376 ================
1377 SV_SoundIndex
1378
1379 ================
1380 */
1381 int SV_SoundIndex(char *s, int precachemode)
1382 {
1383         int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_SOUNDS);
1384         char filename[MAX_QPATH];
1385         if (!s || !*s)
1386                 return 0;
1387         // testing
1388         //if (precachemode == 2)
1389         //      return 0;
1390         strlcpy(filename, s, sizeof(filename));
1391         for (i = 1;i < limit;i++)
1392         {
1393                 if (!sv.sound_precache[i][0])
1394                 {
1395                         if (precachemode)
1396                         {
1397                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
1398                                 {
1399                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1400                                         return 0;
1401                                 }
1402                                 if (precachemode == 1)
1403                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1404                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1405                                 if (sv.protocol == PROTOCOL_DARKPLACES6 && sv.state != ss_loading)
1406                                 {
1407                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1408                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1409                                         MSG_WriteString(&sv.reliable_datagram, filename);
1410                                 }
1411                                 return i;
1412                         }
1413                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1414                         return 0;
1415                 }
1416                 if (!strcmp(sv.sound_precache[i], filename))
1417                         return i;
1418         }
1419         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1420         return 0;
1421 }
1422
1423 /*
1424 ================
1425 SV_CreateBaseline
1426
1427 ================
1428 */
1429 void SV_CreateBaseline (void)
1430 {
1431         int i, entnum, large;
1432         edict_t *svent;
1433
1434         // LordHavoc: clear *all* states (note just active ones)
1435         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1436         {
1437                 // get the current server version
1438                 svent = EDICT_NUM(entnum);
1439
1440                 // LordHavoc: always clear state values, whether the entity is in use or not
1441                 svent->e->baseline = defaultstate;
1442
1443                 if (svent->e->free)
1444                         continue;
1445                 if (entnum > svs.maxclients && !svent->v->modelindex)
1446                         continue;
1447
1448                 // create entity baseline
1449                 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1450                 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1451                 svent->e->baseline.frame = svent->v->frame;
1452                 svent->e->baseline.skin = svent->v->skin;
1453                 if (entnum > 0 && entnum <= svs.maxclients)
1454                 {
1455                         svent->e->baseline.colormap = entnum;
1456                         svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1457                 }
1458                 else
1459                 {
1460                         svent->e->baseline.colormap = 0;
1461                         svent->e->baseline.modelindex = svent->v->modelindex;
1462                 }
1463
1464                 large = false;
1465                 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1466                         large = true;
1467
1468                 // add to the message
1469                 if (large)
1470                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1471                 else
1472                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1473                 MSG_WriteShort (&sv.signon, entnum);
1474
1475                 if (large)
1476                 {
1477                         MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1478                         MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1479                 }
1480                 else
1481                 {
1482                         MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1483                         MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1484                 }
1485                 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1486                 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1487                 for (i=0 ; i<3 ; i++)
1488                 {
1489                         MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
1490                         MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
1491                 }
1492         }
1493 }
1494
1495
1496 /*
1497 ================
1498 SV_SendReconnect
1499
1500 Tell all the clients that the server is changing levels
1501 ================
1502 */
1503 void SV_SendReconnect (void)
1504 {
1505         char    data[128];
1506         sizebuf_t       msg;
1507
1508         msg.data = data;
1509         msg.cursize = 0;
1510         msg.maxsize = sizeof(data);
1511
1512         MSG_WriteChar (&msg, svc_stufftext);
1513         MSG_WriteString (&msg, "reconnect\n");
1514         NetConn_SendToAll (&msg, 5);
1515
1516         if (cls.state != ca_dedicated)
1517                 Cmd_ExecuteString ("reconnect\n", src_command);
1518 }
1519
1520
1521 /*
1522 ================
1523 SV_SaveSpawnparms
1524
1525 Grabs the current state of each client for saving across the
1526 transition to another level
1527 ================
1528 */
1529 void SV_SaveSpawnparms (void)
1530 {
1531         int             i, j;
1532
1533         svs.serverflags = pr_global_struct->serverflags;
1534
1535         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1536         {
1537                 if (!host_client->active)
1538                         continue;
1539
1540         // call the progs to get default spawn parms for the new client
1541                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1542                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1543                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1544                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1545         }
1546 }
1547
1548 void SV_IncreaseEdicts(void)
1549 {
1550         int i;
1551         edict_t *ent;
1552         int oldmax_edicts = sv.max_edicts;
1553         void *oldedictsengineprivate = sv.edictsengineprivate;
1554         void *oldedictsfields = sv.edictsfields;
1555         void *oldmoved_edicts = sv.moved_edicts;
1556
1557         if (sv.max_edicts >= MAX_EDICTS)
1558                 return;
1559
1560         // links don't survive the transition, so unlink everything
1561         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1562         {
1563                 if (!ent->e->free)
1564                         SV_UnlinkEdict(sv.edicts + i);
1565                 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1566         }
1567         SV_ClearWorld();
1568
1569         sv.max_edicts   = min(sv.max_edicts + 256, MAX_EDICTS);
1570         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1571         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1572         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1573
1574         memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1575         memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1576
1577         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1578         {
1579                 ent->e = sv.edictsengineprivate + i;
1580                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1581                 // link every entity except world
1582                 if (!ent->e->free)
1583                         SV_LinkEdict(ent, false);
1584         }
1585
1586         Mem_Free(oldedictsengineprivate);
1587         Mem_Free(oldedictsfields);
1588         Mem_Free(oldmoved_edicts);
1589 }
1590
1591 /*
1592 ================
1593 SV_SpawnServer
1594
1595 This is called at the start of each level
1596 ================
1597 */
1598 extern float            scr_centertime_off;
1599
1600 void SV_SpawnServer (const char *server)
1601 {
1602         edict_t *ent;
1603         int i;
1604         qbyte *entities;
1605         model_t *worldmodel;
1606         char modelname[sizeof(sv.modelname)];
1607
1608         Con_DPrintf("SpawnServer: %s\n", server);
1609
1610         if (cls.state != ca_dedicated)
1611                 SCR_BeginLoadingPlaque();
1612
1613         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1614         worldmodel = Mod_ForName(modelname, false, true, true);
1615         if (!worldmodel || !worldmodel->TraceBox)
1616         {
1617                 Con_Printf("Couldn't load map %s\n", modelname);
1618                 return;
1619         }
1620
1621         // let's not have any servers with no name
1622         if (hostname.string[0] == 0)
1623                 Cvar_Set ("hostname", "UNNAMED");
1624         scr_centertime_off = 0;
1625
1626         svs.changelevel_issued = false;         // now safe to issue another
1627
1628 //
1629 // tell all connected clients that we are going to a new level
1630 //
1631         if (sv.active)
1632                 SV_SendReconnect();
1633         else
1634         {
1635                 // make sure cvars have been checked before opening the ports
1636                 NetConn_ServerFrame();
1637                 NetConn_OpenServerPorts(true);
1638         }
1639
1640 //
1641 // make cvars consistant
1642 //
1643         if (coop.integer)
1644                 Cvar_SetValue ("deathmatch", 0);
1645         // LordHavoc: it can be useful to have skills outside the range 0-3...
1646         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
1647         //Cvar_SetValue ("skill", (float)current_skill);
1648         current_skill = (int)(skill.value + 0.5);
1649
1650 //
1651 // set up the new server
1652 //
1653         Host_ClearMemory ();
1654
1655         memset (&sv, 0, sizeof(sv));
1656
1657         strlcpy (sv.name, server, sizeof (sv.name));
1658
1659         sv.netquakecompatible = false;
1660         if (!strcasecmp(sv_protocolname.string, "QUAKE"))
1661         {
1662                 sv.protocol = PROTOCOL_QUAKE;
1663                 sv.netquakecompatible = true;
1664         }
1665         else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
1666                 sv.protocol = PROTOCOL_QUAKE;
1667         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
1668                 sv.protocol = PROTOCOL_DARKPLACES1;
1669         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
1670                 sv.protocol = PROTOCOL_DARKPLACES2;
1671         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
1672                 sv.protocol = PROTOCOL_DARKPLACES3;
1673         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
1674                 sv.protocol = PROTOCOL_DARKPLACES4;
1675         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
1676                 sv.protocol = PROTOCOL_DARKPLACES5;
1677         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES6"))
1678                 sv.protocol = PROTOCOL_DARKPLACES6;
1679         else
1680         {
1681                 sv.protocol = PROTOCOL_DARKPLACES6;
1682                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are QUAKE, QUAKEDP, DARKPLACES1, DARKPLACES2, DARKPLACES3, DARKPLACES4, DARKPLACES5, DARKPLACES6, falling back to DARKPLACES6 protocol\n", sv_protocolname.string);
1683         }
1684
1685 // load progs to get entity field count
1686         PR_LoadProgs ( sv_progs.string );
1687
1688 // allocate server memory
1689         // start out with just enough room for clients and a reasonable estimate of entities
1690         sv.max_edicts = max(svs.maxclients + 1, 512);
1691         sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1692
1693         // clear the edict memory pool
1694         Mem_EmptyPool(sv_edicts_mempool);
1695         // edict_t structures (hidden from progs)
1696         sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1697         // engine private structures (hidden from progs)
1698         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1699         // progs fields, often accessed by server
1700         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1701         // used by PushMove to move back pushed entities
1702         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1703         for (i = 0;i < sv.max_edicts;i++)
1704         {
1705                 ent = sv.edicts + i;
1706                 ent->e = sv.edictsengineprivate + i;
1707                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1708         }
1709
1710         // fix up client->edict pointers for returning clients right away...
1711         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1712                 host_client->edict = EDICT_NUM(i + 1);
1713
1714         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1715         sv.datagram.cursize = 0;
1716         sv.datagram.data = sv.datagram_buf;
1717
1718         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1719         sv.reliable_datagram.cursize = 0;
1720         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1721
1722         sv.signon.maxsize = sizeof(sv.signon_buf);
1723         sv.signon.cursize = 0;
1724         sv.signon.data = sv.signon_buf;
1725
1726 // leave slots at start for clients only
1727         sv.num_edicts = svs.maxclients+1;
1728
1729         sv.state = ss_loading;
1730         sv.paused = false;
1731
1732         sv.time = 1.0;
1733
1734         Mod_ClearUsed();
1735         worldmodel->used = true;
1736
1737         strlcpy (sv.name, server, sizeof (sv.name));
1738         strcpy(sv.modelname, modelname);
1739         sv.worldmodel = worldmodel;
1740         sv.models[1] = sv.worldmodel;
1741
1742 //
1743 // clear world interaction links
1744 //
1745         SV_ClearWorld ();
1746
1747         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
1748
1749         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
1750         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
1751         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1752         {
1753                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
1754                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
1755         }
1756
1757 //
1758 // load the rest of the entities
1759 //
1760         ent = EDICT_NUM(0);
1761         memset (ent->v, 0, progs->entityfields * 4);
1762         ent->e->free = false;
1763         ent->v->model = PR_SetString(sv.modelname);
1764         ent->v->modelindex = 1;         // world model
1765         ent->v->solid = SOLID_BSP;
1766         ent->v->movetype = MOVETYPE_PUSH;
1767
1768         if (coop.value)
1769                 pr_global_struct->coop = coop.integer;
1770         else
1771                 pr_global_struct->deathmatch = deathmatch.integer;
1772
1773         pr_global_struct->mapname = PR_SetString(sv.name);
1774
1775 // serverflags are for cross level information (sigils)
1776         pr_global_struct->serverflags = svs.serverflags;
1777
1778         // load replacement entity file if found
1779         entities = NULL;
1780         if (sv_entpatch.integer)
1781                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
1782         if (entities)
1783         {
1784                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1785                 ED_LoadFromFile (entities);
1786                 Mem_Free(entities);
1787         }
1788         else
1789                 ED_LoadFromFile (sv.worldmodel->brush.entities);
1790
1791
1792         // LordHavoc: clear world angles (to fix e3m3.bsp)
1793         VectorClear(sv.edicts->v->angles);
1794
1795         sv.active = true;
1796
1797 // all setup is completed, any further precache statements are errors
1798         sv.state = ss_active;
1799
1800 // run two frames to allow everything to settle
1801         for (i = 0;i < 2;i++)
1802         {
1803                 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1804                 SV_Physics ();
1805         }
1806
1807         Mod_PurgeUnused();
1808
1809 // create a baseline for more efficient communications
1810         if (sv.protocol == PROTOCOL_QUAKE)
1811                 SV_CreateBaseline ();
1812
1813 // send serverinfo to all connected clients
1814         // (note this also handles botclients coming back from a level change)
1815         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1816                 if (host_client->active)
1817                         SV_SendServerinfo(host_client);
1818
1819         Con_DPrint("Server spawned.\n");
1820         NetConn_Heartbeat (2);
1821 }
1822