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 server_t sv;
  45 server_static_t svs;
  46
  47 mempool_t *sv_edicts_mempool = NULL;
  48
  49 //============================================================================
  50
  51 extern void SV_Phys_Init (void);
  52 extern void SV_World_Init (void);
  53 static void SV_SaveEntFile_f(void);
  54
  55 /*
  56 ===============
  57 SV_Init
  58 ===============
  59 */
  60 void SV_Init (void)
  61 {
  62         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f);
  63         Cvar_RegisterVariable (&sv_maxvelocity);
  64         Cvar_RegisterVariable (&sv_gravity);
  65         Cvar_RegisterVariable (&sv_friction);
  66         Cvar_RegisterVariable (&sv_edgefriction);
  67         Cvar_RegisterVariable (&sv_stopspeed);
  68         Cvar_RegisterVariable (&sv_maxspeed);
  69         Cvar_RegisterVariable (&sv_accelerate);
  70         Cvar_RegisterVariable (&sv_idealpitchscale);
  71         Cvar_RegisterVariable (&sv_aim);
  72         Cvar_RegisterVariable (&sv_nostep);
  73         Cvar_RegisterVariable (&sv_deltacompress);
  74         Cvar_RegisterVariable (&sv_cullentities_pvs);
  75         Cvar_RegisterVariable (&sv_cullentities_trace);
  76         Cvar_RegisterVariable (&sv_cullentities_stats);
  77         Cvar_RegisterVariable (&sv_entpatch);
  78         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
  79         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
  80         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
  81         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
  82         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
  83         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
  84         Cvar_RegisterVariable (&sv_protocolname);
  85         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
  86         Cvar_RegisterVariable (&sv_maxrate);
  87
  88         SV_Phys_Init();
  89         SV_World_Init();
  90
  91         sv_edicts_mempool = Mem_AllocPool("server edicts", 0, NULL);
  92 }
  93
  94 static void SV_SaveEntFile_f(void)
  95 {
  96         char basename[MAX_QPATH];
  97         if (!sv.active || !sv.worldmodel)
  98         {
  99                 Con_Print("Not running a server\n");
 100                 return;
 101         }
 102         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 103         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, strlen(sv.worldmodel->brush.entities));
 104 }
 105
 106
 107 /*
 108 =============================================================================
 109
 110 EVENT MESSAGES
 111
 112 =============================================================================
 113 */
 114
 115 /*
 116 ==================
 117 SV_StartParticle
 118
 119 Make sure the event gets sent to all clients
 120 ==================
 121 */
 122 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 123 {
 124         int             i, v;
 125
 126         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 127                 return;
 128         MSG_WriteByte (&sv.datagram, svc_particle);
 129         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 130         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 131         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 132         for (i=0 ; i<3 ; i++)
 133         {
 134                 v = dir[i]*16;
 135                 if (v > 127)
 136                         v = 127;
 137                 else if (v < -128)
 138                         v = -128;
 139                 MSG_WriteChar (&sv.datagram, v);
 140         }
 141         MSG_WriteByte (&sv.datagram, count);
 142         MSG_WriteByte (&sv.datagram, color);
 143 }
 144
 145 /*
 146 ==================
 147 SV_StartEffect
 148
 149 Make sure the event gets sent to all clients
 150 ==================
 151 */
 152 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 153 {
 154         if (modelindex >= 256 || startframe >= 256)
 155         {
 156                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 157                         return;
 158                 MSG_WriteByte (&sv.datagram, svc_effect2);
 159                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 160                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 161                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 162                 MSG_WriteShort (&sv.datagram, modelindex);
 163                 MSG_WriteShort (&sv.datagram, startframe);
 164                 MSG_WriteByte (&sv.datagram, framecount);
 165                 MSG_WriteByte (&sv.datagram, framerate);
 166         }
 167         else
 168         {
 169                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 170                         return;
 171                 MSG_WriteByte (&sv.datagram, svc_effect);
 172                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 173                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 174                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 175                 MSG_WriteByte (&sv.datagram, modelindex);
 176                 MSG_WriteByte (&sv.datagram, startframe);
 177                 MSG_WriteByte (&sv.datagram, framecount);
 178                 MSG_WriteByte (&sv.datagram, framerate);
 179         }
 180 }
 181
 182 /*
 183 ==================
 184 SV_StartSound
 185
 186 Each entity can have eight independant sound sources, like voice,
 187 weapon, feet, etc.
 188
 189 Channel 0 is an auto-allocate channel, the others override anything
 190 already running on that entity/channel pair.
 191
 192 An attenuation of 0 will play full volume everywhere in the level.
 193 Larger attenuations will drop off.  (max 4 attenuation)
 194
 195 ==================
 196 */
 197 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
 198 {
 199         int sound_num, field_mask, i, ent;
 200
 201         if (volume < 0 || volume > 255)
 202                 Host_Error ("SV_StartSound: volume = %i", volume);
 203
 204         if (attenuation < 0 || attenuation > 4)
 205                 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
 206
 207         if (channel < 0 || channel > 7)
 208                 Host_Error ("SV_StartSound: channel = %i", channel);
 209
 210         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 211                 return;
 212
 213 // find precache number for sound
 214         sound_num = SV_SoundIndex(sample, 1);
 215         if (!sound_num)
 216                 return;
 217
 218         ent = NUM_FOR_EDICT(entity);
 219
 220         field_mask = 0;
 221         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 222                 field_mask |= SND_VOLUME;
 223         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 224                 field_mask |= SND_ATTENUATION;
 225         if (ent >= 8192)
 226                 field_mask |= SND_LARGEENTITY;
 227         if (sound_num >= 256 || channel >= 8)
 228                 field_mask |= SND_LARGESOUND;
 229
 230 // directed messages go only to the entity they are targeted on
 231         MSG_WriteByte (&sv.datagram, svc_sound);
 232         MSG_WriteByte (&sv.datagram, field_mask);
 233         if (field_mask & SND_VOLUME)
 234                 MSG_WriteByte (&sv.datagram, volume);
 235         if (field_mask & SND_ATTENUATION)
 236                 MSG_WriteByte (&sv.datagram, attenuation*64);
 237         if (field_mask & SND_LARGEENTITY)
 238         {
 239                 MSG_WriteShort (&sv.datagram, ent);
 240                 MSG_WriteByte (&sv.datagram, channel);
 241         }
 242         else
 243                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 244         if (field_mask & SND_LARGESOUND)
 245                 MSG_WriteShort (&sv.datagram, sound_num);
 246         else
 247                 MSG_WriteByte (&sv.datagram, sound_num);
 248         for (i = 0;i < 3;i++)
 249                 MSG_WriteCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]), sv.protocol);
 250 }
 251
 252 /*
 253 ==============================================================================
 254
 255 CLIENT SPAWNING
 256
 257 ==============================================================================
 258 */
 259
 260 /*
 261 ================
 262 SV_SendServerinfo
 263
 264 Sends the first message from the server to a connected client.
 265 This will be sent on the initial connection and upon each server load.
 266 ================
 267 */
 268 void SV_SendServerinfo (client_t *client)
 269 {
 270         int i;
 271         char message[128];
 272
 273         // edicts get reallocated on level changes, so we need to update it here
 274         client->edict = EDICT_NUM((client - svs.clients) + 1);
 275
 276         // if client is a botclient coming from a level change, we need to set up
 277         // client info that normally requires networking
 278         if (!client->netconnection)
 279         {
 280                 // set up the edict
 281                 ED_ClearEdict(client->edict);
 282
 283                 // copy spawn parms out of the client_t
 284                 for (i=0 ; i< NUM_SPAWN_PARMS ; i++)
 285                         (&pr_global_struct->parm1)[i] = host_client->spawn_parms[i];
 286
 287                 // call the spawn function
 288                 pr_global_struct->time = sv.time;
 289                 pr_global_struct->self = EDICT_TO_PROG(client->edict);
 290                 PR_ExecuteProgram (pr_global_struct->ClientConnect, "QC function ClientConnect is missing");
 291                 PR_ExecuteProgram (pr_global_struct->PutClientInServer, "QC function PutClientInServer is missing");
 292                 host_client->spawned = true;
 293                 return;
 294         }
 295
 296         // LordHavoc: clear entityframe tracking
 297         client->latestframenum = 0;
 298
 299         if (client->entitydatabase)
 300                 EntityFrame_FreeDatabase(client->entitydatabase);
 301         if (client->entitydatabase4)
 302                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 303         if (client->entitydatabase5)
 304                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 305
 306         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 307                 client->entitydatabase = EntityFrame_AllocDatabase(sv_clients_mempool);
 308         if (sv.protocol == PROTOCOL_DARKPLACES4)
 309                 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
 310         if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 311                 client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_clients_mempool);
 312
 313         MSG_WriteByte (&client->message, svc_print);
 314         snprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
 315         MSG_WriteString (&client->message,message);
 316
 317         MSG_WriteByte (&client->message, svc_serverinfo);
 318         MSG_WriteLong (&client->message, sv.protocol);
 319         MSG_WriteByte (&client->message, svs.maxclients);
 320
 321         if (!coop.integer && deathmatch.integer)
 322                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
 323         else
 324                 MSG_WriteByte (&client->message, GAME_COOP);
 325
 326         MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
 327
 328         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 329                 MSG_WriteString (&client->message, sv.model_precache[i]);
 330         MSG_WriteByte (&client->message, 0);
 331
 332         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 333                 MSG_WriteString (&client->message, sv.sound_precache[i]);
 334         MSG_WriteByte (&client->message, 0);
 335
 336 // send music
 337         MSG_WriteByte (&client->message, svc_cdtrack);
 338         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 339         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 340
 341 // set view
 342         MSG_WriteByte (&client->message, svc_setview);
 343         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
 344
 345         MSG_WriteByte (&client->message, svc_signonnum);
 346         MSG_WriteByte (&client->message, 1);
 347
 348         client->sendsignon = true;
 349         client->spawned = false;                // need prespawn, spawn, etc
 350 }
 351
 352 /*
 353 ================
 354 SV_ConnectClient
 355
 356 Initializes a client_t for a new net connection.  This will only be called
 357 once for a player each game, not once for each level change.
 358 ================
 359 */
 360 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 361 {
 362         client_t                *client;
 363         int                             i;
 364         float                   spawn_parms[NUM_SPAWN_PARMS];
 365
 366         client = svs.clients + clientnum;
 367
 368 // set up the client_t
 369         if (sv.loadgame)
 370                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 371         memset (client, 0, sizeof(*client));
 372         client->active = true;
 373         client->netconnection = netconnection;
 374
 375         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 376
 377         strcpy(client->name, "unconnected");
 378         strcpy(client->old_name, "unconnected");
 379         client->spawned = false;
 380         client->edict = EDICT_NUM(clientnum+1);
 381         client->message.data = client->msgbuf;
 382         client->message.maxsize = sizeof(client->msgbuf);
 383         client->message.allowoverflow = true;           // we can catch it
 384         // updated by receiving "rate" command from client
 385         client->rate = NET_MINRATE;
 386         // no limits for local player
 387         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 388                 client->rate = 1000000000;
 389         client->connecttime = realtime;
 390
 391         if (sv.loadgame)
 392                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 393         else
 394         {
 395                 // call the progs to get default spawn parms for the new client
 396                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
 397                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 398                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
 399         }
 400
 401         // don't call SendServerinfo for a fresh botclient because its fields have
 402         // not been set up by the qc yet
 403         if (client->netconnection)
 404                 SV_SendServerinfo (client);
 405         else
 406                 client->spawned = true;
 407 }
 408
 409
 410 /*
 411 ===============================================================================
 412
 413 FRAME UPDATES
 414
 415 ===============================================================================
 416 */
 417
 418 /*
 419 ==================
 420 SV_ClearDatagram
 421
 422 ==================
 423 */
 424 void SV_ClearDatagram (void)
 425 {
 426         SZ_Clear (&sv.datagram);
 427 }
 428
 429 /*
 430 =============================================================================
 431
 432 The PVS must include a small area around the client to allow head bobbing
 433 or other small motion on the client side.  Otherwise, a bob might cause an
 434 entity that should be visible to not show up, especially when the bob
 435 crosses a waterline.
 436
 437 =============================================================================
 438 */
 439
 440 int sv_writeentitiestoclient_pvsbytes;
 441 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
 442
 443 static int numsendentities;
 444 static entity_state_t sendentities[MAX_EDICTS];
 445 static entity_state_t *sendentitiesindex[MAX_EDICTS];
 446
 447 void SV_PrepareEntitiesForSending(void)
 448 {
 449         int e, i;
 450         float f;
 451         edict_t *ent;
 452         entity_state_t cs;
 453         // send all entities that touch the pvs
 454         numsendentities = 0;
 455         sendentitiesindex[0] = NULL;
 456         for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 457         {
 458                 sendentitiesindex[e] = NULL;
 459                 if (ent->e->free)
 460                         continue;
 461
 462                 cs = defaultstate;
 463                 cs.active = true;
 464                 cs.number = e;
 465                 VectorCopy(ent->v->origin, cs.origin);
 466                 VectorCopy(ent->v->angles, cs.angles);
 467                 cs.flags = 0;
 468                 cs.effects = (int)ent->v->effects;
 469                 cs.colormap = (qbyte)ent->v->colormap;
 470                 cs.skin = (qbyte)ent->v->skin;
 471                 cs.frame = (qbyte)ent->v->frame;
 472                 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
 473                 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
 474                 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
 475                 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
 476                 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
 477                 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
 478                 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
 479                 cs.glowsize = (qbyte)bound(0, i, 255);
 480                 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
 481                         cs.flags |= RENDER_GLOWTRAIL;
 482
 483                 cs.modelindex = 0;
 484                 i = (int)ent->v->modelindex;
 485                 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
 486                         cs.modelindex = i;
 487
 488                 cs.alpha = 255;
 489                 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
 490                 if (f)
 491                 {
 492                         i = (int)f;
 493                         cs.alpha = (qbyte)bound(0, i, 255);
 494                 }
 495                 // halflife
 496                 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
 497                 if (f)
 498                 {
 499                         i = (int)f;
 500                         cs.alpha = (qbyte)bound(0, i, 255);
 501                 }
 502
 503                 cs.scale = 16;
 504                 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
 505                 if (f)
 506                 {
 507                         i = (int)f;
 508                         cs.scale = (qbyte)bound(0, i, 255);
 509                 }
 510
 511                 cs.glowcolor = 254;
 512                 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
 513                 if (f)
 514                         cs.glowcolor = (int)f;
 515
 516                 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
 517                         cs.effects |= EF_FULLBRIGHT;
 518
 519                 if (ent->v->movetype == MOVETYPE_STEP)
 520                         cs.flags |= RENDER_STEP;
 521                 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)
 522                         cs.flags |= RENDER_LOWPRECISION;
 523                 if (ent->v->colormap >= 1024)
 524                         cs.flags |= RENDER_COLORMAPPED;
 525                 if (cs.viewmodelforclient)
 526                         cs.flags |= RENDER_VIEWMODEL; // show relative to the view
 527
 528                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
 529                 cs.light[0] = (unsigned short)bound(0, f, 65535);
 530                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
 531                 cs.light[1] = (unsigned short)bound(0, f, 65535);
 532                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
 533                 cs.light[2] = (unsigned short)bound(0, f, 65535);
 534                 f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
 535                 cs.light[3] = (unsigned short)bound(0, f, 65535);
 536                 cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
 537                 cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
 538
 539                 if (gamemode == GAME_TENEBRAE)
 540                 {
 541                         // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
 542                         if (cs.effects & 16)
 543                         {
 544                                 cs.effects &= ~16;
 545                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 546                         }
 547                         // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
 548                         if (cs.effects & 32)
 549                         {
 550                                 cs.effects &= ~32;
 551                                 cs.light[0] = 0.2;
 552                                 cs.light[1] = 1;
 553                                 cs.light[2] = 0.2;
 554                                 cs.light[3] = 200;
 555                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 556                         }
 557                 }
 558
 559                 cs.specialvisibilityradius = 0;
 560                 if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
 561                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
 562                 if (cs.glowsize)
 563                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
 564                 if (cs.flags & RENDER_GLOWTRAIL)
 565                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 566                 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 567                 {
 568                         if (cs.effects & EF_BRIGHTFIELD)
 569                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
 570                         if (cs.effects & EF_MUZZLEFLASH)
 571                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 572                         if (cs.effects & EF_BRIGHTLIGHT)
 573                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
 574                         if (cs.effects & EF_DIMLIGHT)
 575                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 576                         if (cs.effects & EF_RED)
 577                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 578                         if (cs.effects & EF_BLUE)
 579                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 580                         if (cs.effects & EF_FLAME)
 581                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
 582                         if (cs.effects & EF_STARDUST)
 583                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 584                 }
 585
 586                 if (numsendentities >= MAX_EDICTS)
 587                         continue;
 588                 // we can omit invisible entities with no effects that are not clients
 589                 // LordHavoc: this could kill tags attached to an invisible entity, I
 590                 // just hope we never have to support that case
 591                 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
 592                         continue;
 593                 sendentitiesindex[e] = sendentities + numsendentities;
 594                 sendentities[numsendentities++] = cs;
 595         }
 596 }
 597
 598 static int sententitiesmark = 0;
 599 static int sententities[MAX_EDICTS];
 600 static int sententitiesconsideration[MAX_EDICTS];
 601 static int sv_writeentitiestoclient_culled_pvs;
 602 static int sv_writeentitiestoclient_culled_trace;
 603 static int sv_writeentitiestoclient_visibleentities;
 604 static int sv_writeentitiestoclient_totalentities;
 605 //static entity_frame_t sv_writeentitiestoclient_entityframe;
 606 static int sv_writeentitiestoclient_clentnum;
 607 static vec3_t sv_writeentitiestoclient_testeye;
 608 static client_t *sv_writeentitiestoclient_client;
 609
 610 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 611 {
 612         int isbmodel;
 613         vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
 614         model_t *model;
 615         trace_t trace;
 616         if (sententitiesconsideration[s->number] == sententitiesmark)
 617                 return;
 618         sententitiesconsideration[s->number] = sententitiesmark;
 619         // viewmodels don't have visibility checking
 620         if (s->viewmodelforclient)
 621         {
 622                 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
 623                         return;
 624         }
 625         // never reject player
 626         else if (s->number != sv_writeentitiestoclient_clentnum)
 627         {
 628                 // check various rejection conditions
 629                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
 630                         return;
 631                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
 632                         return;
 633                 if (s->effects & EF_NODRAW)
 634                         return;
 635                 // LordHavoc: only send entities with a model or important effects
 636                 if (!s->modelindex && s->specialvisibilityradius == 0)
 637                         return;
 638                 if (s->tagentity)
 639                 {
 640                         // tag attached entities simply check their parent
 641                         if (!sendentitiesindex[s->tagentity])
 642                                 return;
 643                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
 644                         if (sententities[s->tagentity] != sententitiesmark)
 645                                 return;
 646                 }
 647                 // skip invalid modelindexes to avoid crashes
 648                 else if (s->modelindex >= MAX_MODELS)
 649                         return;
 650                 // always send world submodels, they don't generate much traffic
 651                 // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
 652                 else if (!(s->effects & EF_NODEPTHTEST) && (sv.protocol == PROTOCOL_QUAKE || !(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*')))
 653                 {
 654                         Mod_CheckLoaded(model);
 655                         // entity has survived every check so far, check if visible
 656                         // enlarged box to account for prediction (not that there is
 657                         // any currently, but still helps the 'run into a room and
 658                         // watch items pop up' problem)
 659                         entmins[0] = s->origin[0] - 32.0f;
 660                         entmins[1] = s->origin[1] - 32.0f;
 661                         entmins[2] = s->origin[2] - 32.0f;
 662                         entmaxs[0] = s->origin[0] + 32.0f;
 663                         entmaxs[1] = s->origin[1] + 32.0f;
 664                         entmaxs[2] = s->origin[2] + 32.0f;
 665                         // using the model's bounding box to ensure things are visible regardless of their physics box
 666                         if (model)
 667                         {
 668                                 if (s->angles[0] || s->angles[2]) // pitch and roll
 669                                 {
 670                                         VectorAdd(entmins, model->rotatedmins, entmins);
 671                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 672                                 }
 673                                 else if (s->angles[1])
 674                                 {
 675                                         VectorAdd(entmins, model->yawmins, entmins);
 676                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 677                                 }
 678                                 else
 679                                 {
 680                                         VectorAdd(entmins, model->normalmins, entmins);
 681                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 682                                 }
 683                         }
 684                         lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
 685                         lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
 686                         lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
 687                         lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
 688                         lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
 689                         lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
 690                         sv_writeentitiestoclient_totalentities++;
 691                         // if not touching a visible leaf
 692                         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))
 693                         {
 694                                 sv_writeentitiestoclient_culled_pvs++;
 695                                 return;
 696                         }
 697                         // or not seen by random tracelines
 698                         if (sv_cullentities_trace.integer && !isbmodel)
 699                         {
 700                                 // LordHavoc: test center first
 701                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
 702                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
 703                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
 704                                 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 705                                 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 706                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 707                                 else
 708                                 {
 709                                         // LordHavoc: test random offsets, to maximize chance of detection
 710                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 711                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 712                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 713                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 714                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 715                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 716                                         else
 717                                         {
 718                                                 if (s->specialvisibilityradius)
 719                                                 {
 720                                                         // LordHavoc: test random offsets, to maximize chance of detection
 721                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
 722                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
 723                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
 724                                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 725                                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 726                                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 727                                                 }
 728                                         }
 729                                 }
 730                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
 731                                 {
 732                                         sv_writeentitiestoclient_culled_trace++;
 733                                         return;
 734                                 }
 735                         }
 736                         sv_writeentitiestoclient_visibleentities++;
 737                 }
 738         }
 739         // this just marks it for sending
 740         // FIXME: it would be more efficient to send here, but the entity
 741         // compressor isn't that flexible
 742         sententities[s->number] = sententitiesmark;
 743 }
 744
 745 entity_state_t sendstates[MAX_EDICTS];
 746
 747 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg, int *stats)
 748 {
 749         int i, numsendstates;
 750         entity_state_t *s;
 751
 752         // if there isn't enough space to accomplish anything, skip it
 753         if (msg->cursize + 25 > msg->maxsize)
 754                 return;
 755
 756         sv_writeentitiestoclient_client = client;
 757
 758         sv_writeentitiestoclient_culled_pvs = 0;
 759         sv_writeentitiestoclient_culled_trace = 0;
 760         sv_writeentitiestoclient_visibleentities = 0;
 761         sv_writeentitiestoclient_totalentities = 0;
 762
 763         Mod_CheckLoaded(sv.worldmodel);
 764
 765 // find the client's PVS
 766         // the real place being tested from
 767         VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
 768         sv_writeentitiestoclient_pvsbytes = 0;
 769         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
 770                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 771
 772         sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 773
 774         sententitiesmark++;
 775
 776         for (i = 0;i < numsendentities;i++)
 777                 SV_MarkWriteEntityStateToClient(sendentities + i);
 778
 779         numsendstates = 0;
 780         for (i = 0;i < numsendentities;i++)
 781         {
 782                 if (sententities[sendentities[i].number] == sententitiesmark)
 783                 {
 784                         s = &sendstates[numsendstates++];
 785                         *s = sendentities[i];
 786                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
 787                                 s->flags |= RENDER_EXTERIORMODEL;
 788                 }
 789         }
 790
 791         if (sv_cullentities_stats.integer)
 792                 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);
 793
 794         if (client->entitydatabase5)
 795                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats);
 796         else if (client->entitydatabase4)
 797                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
 798         else if (client->entitydatabase)
 799                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
 800         else
 801                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
 802 }
 803
 804 /*
 805 =============
 806 SV_CleanupEnts
 807
 808 =============
 809 */
 810 void SV_CleanupEnts (void)
 811 {
 812         int             e;
 813         edict_t *ent;
 814
 815         ent = NEXT_EDICT(sv.edicts);
 816         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
 817                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
 818 }
 819
 820 /*
 821 ==================
 822 SV_WriteClientdataToMessage
 823
 824 ==================
 825 */
 826 void SV_WriteClientdataToMessage (client_t *client, edict_t *ent, sizebuf_t *msg, int *stats)
 827 {
 828         int             bits;
 829         int             i;
 830         edict_t *other;
 831         int             items;
 832         eval_t  *val;
 833         vec3_t  punchvector;
 834         qbyte   viewzoom;
 835         int             weaponmodelindex;
 836
 837 //
 838 // send a damage message
 839 //
 840         if (ent->v->dmg_take || ent->v->dmg_save)
 841         {
 842                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
 843                 MSG_WriteByte (msg, svc_damage);
 844                 MSG_WriteByte (msg, ent->v->dmg_save);
 845                 MSG_WriteByte (msg, ent->v->dmg_take);
 846                 for (i=0 ; i<3 ; i++)
 847                         MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
 848
 849                 ent->v->dmg_take = 0;
 850                 ent->v->dmg_save = 0;
 851         }
 852
 853 //
 854 // send the current viewpos offset from the view entity
 855 //
 856         SV_SetIdealPitch ();            // how much to look up / down ideally
 857
 858 // a fixangle might get lost in a dropped packet.  Oh well.
 859         if ( ent->v->fixangle )
 860         {
 861                 MSG_WriteByte (msg, svc_setangle);
 862                 for (i=0 ; i < 3 ; i++)
 863                         MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
 864                 ent->v->fixangle = 0;
 865         }
 866
 867         // stuff the sigil bits into the high bits of items for sbar, or else
 868         // mix in items2
 869         val = GETEDICTFIELDVALUE(ent, eval_items2);
 870         if (val)
 871                 items = (int)ent->v->items | ((int)val->_float << 23);
 872         else
 873                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
 874
 875         VectorClear(punchvector);
 876         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
 877                 VectorCopy(val->vector, punchvector);
 878
 879         weaponmodelindex = SV_ModelIndex(PR_GetString(ent->v->weaponmodel), 1);
 880         if (!weaponmodelindex)
 881         {
 882                 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
 883                 weaponmodelindex = 0;
 884         }
 885
 886         viewzoom = 255;
 887         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
 888                 viewzoom = val->_float * 255.0f;
 889         if (viewzoom == 0)
 890                 viewzoom = 255;
 891
 892         bits = 0;
 893
 894         if ((int)ent->v->flags & FL_ONGROUND)
 895                 bits |= SU_ONGROUND;
 896         if (ent->v->waterlevel >= 2)
 897                 bits |= SU_INWATER;
 898         if (ent->v->idealpitch)
 899                 bits |= SU_IDEALPITCH;
 900
 901         for (i=0 ; i<3 ; i++)
 902         {
 903                 if (ent->v->punchangle[i])
 904                         bits |= (SU_PUNCH1<<i);
 905                 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)
 906                         if (punchvector[i])
 907                                 bits |= (SU_PUNCHVEC1<<i);
 908                 if (ent->v->velocity[i])
 909                         bits |= (SU_VELOCITY1<<i);
 910         }
 911
 912         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
 913         stats[STAT_VIEWHEIGHT] = ent->v->view_ofs[2];
 914         stats[STAT_ITEMS] = items;
 915         stats[STAT_WEAPONFRAME] = ent->v->weaponframe;
 916         stats[STAT_ARMOR] = ent->v->armorvalue;
 917         stats[STAT_WEAPON] = weaponmodelindex;
 918         stats[STAT_HEALTH] = ent->v->health;
 919         stats[STAT_AMMO] = ent->v->currentammo;
 920         stats[STAT_SHELLS] = ent->v->ammo_shells;
 921         stats[STAT_NAILS] = ent->v->ammo_nails;
 922         stats[STAT_ROCKETS] = ent->v->ammo_rockets;
 923         stats[STAT_CELLS] = ent->v->ammo_cells;
 924         stats[STAT_ACTIVEWEAPON] = ent->v->weapon;
 925         stats[STAT_VIEWZOOM] = viewzoom;
 926         // the QC bumps these itself by sending svc_'s, so we have to keep them
 927         // zero or they'll be corrected by the engine
 928         //stats[STAT_TOTALSECRETS] = pr_global_struct->total_secrets;
 929         //stats[STAT_TOTALMONSTERS] = pr_global_struct->total_monsters;
 930         //stats[STAT_SECRETS] = pr_global_struct->found_secrets;
 931         //stats[STAT_MONSTERS] = pr_global_struct->killed_monsters;
 932
 933         if (sv.protocol != PROTOCOL_DARKPLACES6)
 934         {
 935                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
 936                 bits |= SU_ITEMS;
 937                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
 938                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
 939                 bits |= SU_WEAPON;
 940                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
 941                 if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 942                         if (viewzoom != 255)
 943                                 bits |= SU_VIEWZOOM;
 944         }
 945
 946         if (bits >= 65536)
 947                 bits |= SU_EXTEND1;
 948         if (bits >= 16777216)
 949                 bits |= SU_EXTEND2;
 950
 951         // send the data
 952         MSG_WriteByte (msg, svc_clientdata);
 953         MSG_WriteShort (msg, bits);
 954         if (bits & SU_EXTEND1)
 955                 MSG_WriteByte(msg, bits >> 16);
 956         if (bits & SU_EXTEND2)
 957                 MSG_WriteByte(msg, bits >> 24);
 958
 959         if (bits & SU_VIEWHEIGHT)
 960                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
 961
 962         if (bits & SU_IDEALPITCH)
 963                 MSG_WriteChar (msg, ent->v->idealpitch);
 964
 965         for (i=0 ; i<3 ; i++)
 966         {
 967                 if (bits & (SU_PUNCH1<<i))
 968                 {
 969                         if (sv.protocol == PROTOCOL_QUAKE)
 970                                 MSG_WriteChar(msg, ent->v->punchangle[i]);
 971                         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)
 972                                 MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
 973                 }
 974                 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)
 975                 {
 976                         if (bits & (SU_PUNCHVEC1<<i))
 977                         {
 978                                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 979                                         MSG_WriteCoord16i(msg, punchvector[i]);
 980                                 else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 981                                         MSG_WriteCoord32f(msg, punchvector[i]);
 982                         }
 983                 }
 984                 if (bits & (SU_VELOCITY1<<i))
 985                 {
 986                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 987                                 MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
 988                         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 989                                 MSG_WriteCoord32f(msg, ent->v->velocity[i]);
 990                 }
 991         }
 992
 993         if (bits & SU_ITEMS)
 994                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
 995
 996         if (sv.protocol == PROTOCOL_DARKPLACES5)
 997         {
 998                 if (bits & SU_WEAPONFRAME)
 999                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1000                 if (bits & SU_ARMOR)
1001                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1002                 if (bits & SU_WEAPON)
1003                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1004                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1005                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1006                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1007                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1008                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1009                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1010                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1011                 if (bits & SU_VIEWZOOM)
1012                         MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1013         }
1014         else if (sv.protocol != PROTOCOL_DARKPLACES6)
1015         {
1016                 if (bits & SU_WEAPONFRAME)
1017                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1018                 if (bits & SU_ARMOR)
1019                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1020                 if (bits & SU_WEAPON)
1021                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1022                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1023                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1024                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1025                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1026                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1027                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1028                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1029                 {
1030                         for (i = 0;i < 32;i++)
1031                                 if (stats[STAT_WEAPON] & (1<<i))
1032                                         break;
1033                         MSG_WriteByte (msg, i);
1034                 }
1035                 else
1036                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1037                 if (bits & SU_VIEWZOOM)
1038                 {
1039                         if (sv.protocol == PROTOCOL_DARKPLACES4)
1040                                 MSG_WriteByte (msg, min(stats[STAT_VIEWZOOM], 255));
1041                         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
1042                                 MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1043                 }
1044         }
1045 }
1046
1047 /*
1048 =======================
1049 SV_SendClientDatagram
1050 =======================
1051 */
1052 static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1053 qboolean SV_SendClientDatagram (client_t *client)
1054 {
1055         int rate, maxrate, maxsize, maxsize2;
1056         sizebuf_t msg;
1057         int stats[MAX_CL_STATS];
1058
1059         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1060         {
1061                 // for good singleplayer, send huge packets
1062                 maxsize = sizeof(sv_sendclientdatagram_buf);
1063                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1064         }
1065         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
1066         {
1067                 // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
1068                 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1069                 if (sv_maxrate.integer != maxrate)
1070                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1071
1072                 rate = bound(NET_MINRATE, client->rate, maxrate);
1073                 rate = (int)(client->rate * sys_ticrate.value);
1074                 maxsize = bound(100, rate, 1400);
1075                 maxsize2 = 1400;
1076         }
1077         else
1078         {
1079                 // no rate limiting support on older protocols because dp protocols
1080                 // 1-4 kick the client off if they overflow, and quake protocol shows
1081                 // less than the full entity set if rate limited
1082                 maxsize = 1400;
1083                 maxsize2 = 1400;
1084         }
1085
1086         msg.data = sv_sendclientdatagram_buf;
1087         msg.maxsize = maxsize;
1088         msg.cursize = 0;
1089
1090         MSG_WriteByte (&msg, svc_time);
1091         MSG_WriteFloat (&msg, sv.time);
1092
1093         // add the client specific data to the datagram
1094         SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1095         SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1096
1097         // expand packet size to allow effects to go over the rate limit
1098         // (dropping them is FAR too ugly)
1099         msg.maxsize = maxsize2;
1100
1101         // copy the server datagram if there is space
1102         // FIXME: put in delayed queue of effects to send
1103         if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1104                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1105
1106 // send the datagram
1107         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1108         {
1109                 SV_DropClient (true);// if the message couldn't send, kick off
1110                 return false;
1111         }
1112
1113         return true;
1114 }
1115
1116 /*
1117 =======================
1118 SV_UpdateToReliableMessages
1119 =======================
1120 */
1121 void SV_UpdateToReliableMessages (void)
1122 {
1123         int i, j;
1124         client_t *client;
1125         eval_t *val;
1126         char *name;
1127
1128 // check for changes to be sent over the reliable streams
1129         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1130         {
1131                 // update the host_client fields we care about according to the entity fields
1132                 host_client->edict = EDICT_NUM(i+1);
1133
1134                 // DP_SV_CLIENTNAME
1135                 name = PR_GetString(host_client->edict->v->netname);
1136                 if (name == NULL)
1137                         name = "";
1138                 // always point the string back at host_client->name to keep it safe
1139                 strlcpy (host_client->name, name, sizeof (host_client->name));
1140                 host_client->edict->v->netname = PR_SetString(host_client->name);
1141                 if (strcmp(host_client->old_name, host_client->name))
1142                 {
1143                         if (host_client->spawned)
1144                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1145                         strcpy(host_client->old_name, host_client->name);
1146                         // send notification to all clients
1147                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1148                         MSG_WriteByte (&sv.reliable_datagram, i);
1149                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1150                 }
1151
1152                 // DP_SV_CLIENTCOLORS
1153                 // this is always found (since it's added by the progs loader)
1154                 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_clientcolors)))
1155                         host_client->colors = (int)val->_float;
1156                 if (host_client->old_colors != host_client->colors)
1157                 {
1158                         host_client->old_colors = host_client->colors;
1159                         // send notification to all clients
1160                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1161                         MSG_WriteByte (&sv.reliable_datagram, i);
1162                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1163                 }
1164
1165                 // frags
1166                 host_client->frags = (int)host_client->edict->v->frags;
1167                 if (host_client->old_frags != host_client->frags)
1168                 {
1169                         host_client->old_frags = host_client->frags;
1170                         // send notification to all clients
1171                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1172                         MSG_WriteByte (&sv.reliable_datagram, i);
1173                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1174                 }
1175         }
1176
1177         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1178                 if (client->netconnection)
1179                         SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1180
1181         SZ_Clear (&sv.reliable_datagram);
1182 }
1183
1184
1185 /*
1186 =======================
1187 SV_SendNop
1188
1189 Send a nop message without trashing or sending the accumulated client
1190 message buffer
1191 =======================
1192 */
1193 void SV_SendNop (client_t *client)
1194 {
1195         sizebuf_t       msg;
1196         qbyte           buf[4];
1197
1198         msg.data = buf;
1199         msg.maxsize = sizeof(buf);
1200         msg.cursize = 0;
1201
1202         MSG_WriteChar (&msg, svc_nop);
1203
1204         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1205                 SV_DropClient (true);   // if the message couldn't send, kick off
1206         client->last_message = realtime;
1207 }
1208
1209 /*
1210 =======================
1211 SV_SendClientMessages
1212 =======================
1213 */
1214 void SV_SendClientMessages (void)
1215 {
1216         int i, prepared = false;
1217
1218 // update frags, names, etc
1219         SV_UpdateToReliableMessages();
1220
1221 // build individual updates
1222         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1223         {
1224                 if (!host_client->active)
1225                         continue;
1226                 if (!host_client->netconnection)
1227                 {
1228                         SZ_Clear(&host_client->message);
1229                         continue;
1230                 }
1231
1232                 if (host_client->deadsocket || host_client->message.overflowed)
1233                 {
1234                         SV_DropClient (true);   // if the message couldn't send, kick off
1235                         continue;
1236                 }
1237
1238                 if (host_client->spawned)
1239                 {
1240                         if (!prepared)
1241                         {
1242                                 prepared = true;
1243                                 // only prepare entities once per frame
1244                                 SV_PrepareEntitiesForSending();
1245                         }
1246                         if (!SV_SendClientDatagram (host_client))
1247                                 continue;
1248                 }
1249                 else
1250                 {
1251                 // the player isn't totally in the game yet
1252                 // send small keepalive messages if too much time has passed
1253                 // send a full message when the next signon stage has been requested
1254                 // some other message data (name changes, etc) may accumulate
1255                 // between signon stages
1256                         if (!host_client->sendsignon)
1257                         {
1258                                 if (realtime - host_client->last_message > 5)
1259                                         SV_SendNop (host_client);
1260                                 continue;       // don't send out non-signon messages
1261                         }
1262                 }
1263
1264                 if (host_client->message.cursize || host_client->dropasap)
1265                 {
1266                         if (!NetConn_CanSendMessage (host_client->netconnection))
1267                                 continue;
1268
1269                         if (host_client->dropasap)
1270                                 SV_DropClient (false);  // went to another level
1271                         else
1272                         {
1273                                 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1274                                         SV_DropClient (true);   // if the message couldn't send, kick off
1275                                 SZ_Clear (&host_client->message);
1276                                 host_client->last_message = realtime;
1277                                 host_client->sendsignon = false;
1278                         }
1279                 }
1280         }
1281
1282 // clear muzzle flashes
1283         SV_CleanupEnts();
1284 }
1285
1286
1287 /*
1288 ==============================================================================
1289
1290 SERVER SPAWNING
1291
1292 ==============================================================================
1293 */
1294
1295 /*
1296 ================
1297 SV_ModelIndex
1298
1299 ================
1300 */
1301 int SV_ModelIndex(char *s, int precachemode)
1302 {
1303         int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_MODELS);
1304         char filename[MAX_QPATH];
1305         if (!s || !*s)
1306                 return 0;
1307         // testing
1308         //if (precachemode == 2)
1309         //      return 0;
1310         strlcpy(filename, s, sizeof(filename));
1311         for (i = 2;i < limit;i++)
1312         {
1313                 if (!sv.model_precache[i][0])
1314                 {
1315                         if (precachemode)
1316                         {
1317                                 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1318                                 {
1319                                         // not able to precache during game
1320                                         if (precachemode == 2 && sv.state != ss_loading)
1321                                         {
1322                                                 Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1323                                                 return 0;
1324                                         }
1325                                 }
1326                                 else
1327                                 {
1328                                         // able to precache during game
1329                                         if (precachemode == 1)
1330                                                 Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1331                                         strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1332                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1333                                         if (sv.state != ss_loading)
1334                                         {
1335                                                 MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1336                                                 MSG_WriteShort(&sv.reliable_datagram, i);
1337                                                 MSG_WriteString(&sv.reliable_datagram, filename);
1338                                         }
1339                                         return i;
1340                                 }
1341                         }
1342                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1343                         return 0;
1344                 }
1345                 if (!strcmp(sv.model_precache[i], filename))
1346                         return i;
1347         }
1348         if (precachemode)
1349                 Con_Printf("SV_ModelIndex(\"%s\"): i == MAX_MODELS\n", filename);
1350         else
1351                 Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1352         return 0;
1353 }
1354
1355 /*
1356 ================
1357 SV_SoundIndex
1358
1359 ================
1360 */
1361 int SV_SoundIndex(char *s, int precachemode)
1362 {
1363         int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_SOUNDS);
1364         char filename[MAX_QPATH];
1365         if (!s || !*s)
1366                 return 0;
1367         strlcpy(filename, s, sizeof(filename));
1368         for (i = 1;i < limit;i++)
1369         {
1370                 if (!sv.sound_precache[i][0])
1371                 {
1372                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1373                         {
1374                                 // not able to precache during game
1375                                 if (precachemode == 2 && sv.state != ss_loading)
1376                                 {
1377                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1378                                         return 0;
1379                                 }
1380                         }
1381                         else
1382                         {
1383                                 // able to precache during game
1384                                 if (precachemode)
1385                                 {
1386                                         if (precachemode == 1)
1387                                                 Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1388                                         strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1389                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1390                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1391                                         MSG_WriteString(&sv.reliable_datagram, filename);
1392                                         return i;
1393                                 }
1394                         }
1395                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1396                         return 0;
1397                 }
1398                 if (!strcmp(sv.sound_precache[i], filename))
1399                         return i;
1400         }
1401         if (precachemode)
1402                 Con_Printf("SV_SoundIndex(\"%s\"): i == MAX_SOUNDS\n", filename);
1403         else
1404                 Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1405         return 0;
1406 }
1407
1408 /*
1409 ================
1410 SV_CreateBaseline
1411
1412 ================
1413 */
1414 void SV_CreateBaseline (void)
1415 {
1416         int i, entnum, large;
1417         edict_t *svent;
1418
1419         // LordHavoc: clear *all* states (note just active ones)
1420         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1421         {
1422                 // get the current server version
1423                 svent = EDICT_NUM(entnum);
1424
1425                 // LordHavoc: always clear state values, whether the entity is in use or not
1426                 svent->e->baseline = defaultstate;
1427
1428                 if (svent->e->free)
1429                         continue;
1430                 if (entnum > svs.maxclients && !svent->v->modelindex)
1431                         continue;
1432
1433                 // create entity baseline
1434                 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1435                 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1436                 svent->e->baseline.frame = svent->v->frame;
1437                 svent->e->baseline.skin = svent->v->skin;
1438                 if (entnum > 0 && entnum <= svs.maxclients)
1439                 {
1440                         svent->e->baseline.colormap = entnum;
1441                         svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1442                 }
1443                 else
1444                 {
1445                         svent->e->baseline.colormap = 0;
1446                         svent->e->baseline.modelindex = svent->v->modelindex;
1447                 }
1448
1449                 large = false;
1450                 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1451                         large = true;
1452
1453                 // add to the message
1454                 if (large)
1455                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1456                 else
1457                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1458                 MSG_WriteShort (&sv.signon, entnum);
1459
1460                 if (large)
1461                 {
1462                         MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1463                         MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1464                 }
1465                 else
1466                 {
1467                         MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1468                         MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1469                 }
1470                 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1471                 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1472                 for (i=0 ; i<3 ; i++)
1473                 {
1474                         MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
1475                         MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
1476                 }
1477         }
1478 }
1479
1480
1481 /*
1482 ================
1483 SV_SendReconnect
1484
1485 Tell all the clients that the server is changing levels
1486 ================
1487 */
1488 void SV_SendReconnect (void)
1489 {
1490         char    data[128];
1491         sizebuf_t       msg;
1492
1493         msg.data = data;
1494         msg.cursize = 0;
1495         msg.maxsize = sizeof(data);
1496
1497         MSG_WriteChar (&msg, svc_stufftext);
1498         MSG_WriteString (&msg, "reconnect\n");
1499         NetConn_SendToAll (&msg, 5);
1500
1501         if (cls.state != ca_dedicated)
1502                 Cmd_ExecuteString ("reconnect\n", src_command);
1503 }
1504
1505
1506 /*
1507 ================
1508 SV_SaveSpawnparms
1509
1510 Grabs the current state of each client for saving across the
1511 transition to another level
1512 ================
1513 */
1514 void SV_SaveSpawnparms (void)
1515 {
1516         int             i, j;
1517
1518         svs.serverflags = pr_global_struct->serverflags;
1519
1520         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1521         {
1522                 if (!host_client->active)
1523                         continue;
1524
1525         // call the progs to get default spawn parms for the new client
1526                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1527                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1528                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1529                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1530         }
1531 }
1532
1533 void SV_IncreaseEdicts(void)
1534 {
1535         int i;
1536         edict_t *ent;
1537         int oldmax_edicts = sv.max_edicts;
1538         void *oldedictsengineprivate = sv.edictsengineprivate;
1539         void *oldedictsfields = sv.edictsfields;
1540         void *oldmoved_edicts = sv.moved_edicts;
1541
1542         if (sv.max_edicts >= MAX_EDICTS)
1543                 return;
1544
1545         // links don't survive the transition, so unlink everything
1546         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1547         {
1548                 if (!ent->e->free)
1549                         SV_UnlinkEdict(sv.edicts + i);
1550                 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1551         }
1552         SV_ClearWorld();
1553
1554         sv.max_edicts   = min(sv.max_edicts + 256, MAX_EDICTS);
1555         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1556         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1557         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1558
1559         memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1560         memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1561
1562         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1563         {
1564                 ent->e = sv.edictsengineprivate + i;
1565                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1566                 // link every entity except world
1567                 if (!ent->e->free)
1568                         SV_LinkEdict(ent, false);
1569         }
1570
1571         Mem_Free(oldedictsengineprivate);
1572         Mem_Free(oldedictsfields);
1573         Mem_Free(oldmoved_edicts);
1574 }
1575
1576 /*
1577 ================
1578 SV_SpawnServer
1579
1580 This is called at the start of each level
1581 ================
1582 */
1583 extern float            scr_centertime_off;
1584
1585 void SV_SpawnServer (const char *server)
1586 {
1587         edict_t *ent;
1588         int i;
1589         qbyte *entities;
1590         model_t *worldmodel;
1591         char modelname[sizeof(sv.modelname)];
1592
1593         Con_DPrintf("SpawnServer: %s\n", server);
1594
1595         snprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1596         worldmodel = Mod_ForName(modelname, false, true, true);
1597         if (!worldmodel || !worldmodel->TraceBox)
1598         {
1599                 Con_Printf("Couldn't load map %s\n", modelname);
1600                 return;
1601         }
1602
1603         // let's not have any servers with no name
1604         if (hostname.string[0] == 0)
1605                 Cvar_Set ("hostname", "UNNAMED");
1606         scr_centertime_off = 0;
1607
1608         svs.changelevel_issued = false;         // now safe to issue another
1609
1610 //
1611 // tell all connected clients that we are going to a new level
1612 //
1613         if (sv.active)
1614                 SV_SendReconnect();
1615         else
1616         {
1617                 // make sure cvars have been checked before opening the ports
1618                 NetConn_ServerFrame();
1619                 NetConn_OpenServerPorts(true);
1620         }
1621
1622 //
1623 // make cvars consistant
1624 //
1625         if (coop.integer)
1626                 Cvar_SetValue ("deathmatch", 0);
1627         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1628
1629         Cvar_SetValue ("skill", (float)current_skill);
1630
1631 //
1632 // set up the new server
1633 //
1634         Host_ClearMemory ();
1635
1636         memset (&sv, 0, sizeof(sv));
1637
1638         strlcpy (sv.name, server, sizeof (sv.name));
1639
1640         sv.netquakecompatible = false;
1641         if (!strcasecmp(sv_protocolname.string, "QUAKE"))
1642         {
1643                 sv.protocol = PROTOCOL_QUAKE;
1644                 sv.netquakecompatible = true;
1645         }
1646         else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
1647                 sv.protocol = PROTOCOL_QUAKE;
1648         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
1649                 sv.protocol = PROTOCOL_DARKPLACES1;
1650         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
1651                 sv.protocol = PROTOCOL_DARKPLACES2;
1652         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
1653                 sv.protocol = PROTOCOL_DARKPLACES3;
1654         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
1655                 sv.protocol = PROTOCOL_DARKPLACES4;
1656         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
1657                 sv.protocol = PROTOCOL_DARKPLACES5;
1658         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES6"))
1659                 sv.protocol = PROTOCOL_DARKPLACES6;
1660         else
1661         {
1662                 sv.protocol = PROTOCOL_DARKPLACES6;
1663                 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);
1664         }
1665
1666 // load progs to get entity field count
1667         PR_LoadProgs ();
1668
1669 // allocate server memory
1670         // start out with just enough room for clients and a reasonable estimate of entities
1671         sv.max_edicts = max(svs.maxclients + 1, 512);
1672         sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1673
1674         // clear the edict memory pool
1675         Mem_EmptyPool(sv_edicts_mempool);
1676         // edict_t structures (hidden from progs)
1677         sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1678         // engine private structures (hidden from progs)
1679         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1680         // progs fields, often accessed by server
1681         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1682         // used by PushMove to move back pushed entities
1683         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1684         for (i = 0;i < sv.max_edicts;i++)
1685         {
1686                 ent = sv.edicts + i;
1687                 ent->e = sv.edictsengineprivate + i;
1688                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1689         }
1690
1691         // fix up client->edict pointers for returning clients right away...
1692         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1693                 host_client->edict = EDICT_NUM(i + 1);
1694
1695         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1696         sv.datagram.cursize = 0;
1697         sv.datagram.data = sv.datagram_buf;
1698
1699         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1700         sv.reliable_datagram.cursize = 0;
1701         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1702
1703         sv.signon.maxsize = sizeof(sv.signon_buf);
1704         sv.signon.cursize = 0;
1705         sv.signon.data = sv.signon_buf;
1706
1707 // leave slots at start for clients only
1708         sv.num_edicts = svs.maxclients+1;
1709
1710         sv.state = ss_loading;
1711         sv.paused = false;
1712
1713         sv.time = 1.0;
1714
1715         Mod_ClearUsed();
1716         worldmodel->used = true;
1717
1718         strlcpy (sv.name, server, sizeof (sv.name));
1719         strcpy(sv.modelname, modelname);
1720         sv.worldmodel = worldmodel;
1721         sv.models[1] = sv.worldmodel;
1722
1723 //
1724 // clear world interaction links
1725 //
1726         SV_ClearWorld ();
1727
1728         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
1729
1730         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
1731         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
1732         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1733         {
1734                 snprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
1735                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
1736         }
1737
1738 //
1739 // load the rest of the entities
1740 //
1741         ent = EDICT_NUM(0);
1742         memset (ent->v, 0, progs->entityfields * 4);
1743         ent->e->free = false;
1744         ent->v->model = PR_SetString(sv.modelname);
1745         ent->v->modelindex = 1;         // world model
1746         ent->v->solid = SOLID_BSP;
1747         ent->v->movetype = MOVETYPE_PUSH;
1748
1749         if (coop.value)
1750                 pr_global_struct->coop = coop.integer;
1751         else
1752                 pr_global_struct->deathmatch = deathmatch.integer;
1753
1754         pr_global_struct->mapname = PR_SetString(sv.name);
1755
1756 // serverflags are for cross level information (sigils)
1757         pr_global_struct->serverflags = svs.serverflags;
1758
1759         // load replacement entity file if found
1760         entities = NULL;
1761         if (sv_entpatch.integer)
1762                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
1763         if (entities)
1764         {
1765                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1766                 ED_LoadFromFile (entities);
1767                 Mem_Free(entities);
1768         }
1769         else
1770                 ED_LoadFromFile (sv.worldmodel->brush.entities);
1771
1772
1773         // LordHavoc: clear world angles (to fix e3m3.bsp)
1774         VectorClear(sv.edicts->v->angles);
1775
1776         sv.active = true;
1777
1778 // all setup is completed, any further precache statements are errors
1779         sv.state = ss_active;
1780
1781 // run two frames to allow everything to settle
1782         for (i = 0;i < 2;i++)
1783         {
1784                 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1785                 SV_Physics ();
1786         }
1787
1788         Mod_PurgeUnused();
1789
1790 // create a baseline for more efficient communications
1791         if (sv.protocol == PROTOCOL_QUAKE)
1792                 SV_CreateBaseline ();
1793
1794 // send serverinfo to all connected clients
1795         // (note this also handles botclients coming back from a level change)
1796         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1797                 if (host_client->active)
1798                         SV_SendServerinfo(host_client);
1799
1800         Con_DPrint("Server spawned.\n");
1801         NetConn_Heartbeat (2);
1802 }
1803