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         snprintf (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         entity_state_t cs;
 456         // send all entities that touch the pvs
 457         numsendentities = 0;
 458         sendentitiesindex[0] = NULL;
 459         for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
 460         {
 461                 sendentitiesindex[e] = NULL;
 462                 if (ent->e->free)
 463                         continue;
 464
 465                 cs = defaultstate;
 466                 cs.active = true;
 467                 cs.number = e;
 468                 VectorCopy(ent->v->origin, cs.origin);
 469                 VectorCopy(ent->v->angles, cs.angles);
 470                 cs.flags = 0;
 471                 cs.effects = (int)ent->v->effects;
 472                 cs.colormap = (qbyte)ent->v->colormap;
 473                 cs.skin = (qbyte)ent->v->skin;
 474                 cs.frame = (qbyte)ent->v->frame;
 475                 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
 476                 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
 477                 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
 478                 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
 479                 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
 480                 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
 481                 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
 482                 cs.glowsize = (qbyte)bound(0, i, 255);
 483                 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
 484                         cs.flags |= RENDER_GLOWTRAIL;
 485
 486                 cs.modelindex = 0;
 487                 i = (int)ent->v->modelindex;
 488                 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
 489                         cs.modelindex = i;
 490
 491                 cs.alpha = 255;
 492                 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
 493                 if (f)
 494                 {
 495                         i = (int)f;
 496                         cs.alpha = (qbyte)bound(0, i, 255);
 497                 }
 498                 // halflife
 499                 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
 500                 if (f)
 501                 {
 502                         i = (int)f;
 503                         cs.alpha = (qbyte)bound(0, i, 255);
 504                 }
 505
 506                 cs.scale = 16;
 507                 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
 508                 if (f)
 509                 {
 510                         i = (int)f;
 511                         cs.scale = (qbyte)bound(0, i, 255);
 512                 }
 513
 514                 cs.glowcolor = 254;
 515                 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
 516                 if (f)
 517                         cs.glowcolor = (int)f;
 518
 519                 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
 520                         cs.effects |= EF_FULLBRIGHT;
 521
 522                 if (ent->v->movetype == MOVETYPE_STEP)
 523                         cs.flags |= RENDER_STEP;
 524                 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)
 525                         cs.flags |= RENDER_LOWPRECISION;
 526                 if (ent->v->colormap >= 1024)
 527                         cs.flags |= RENDER_COLORMAPPED;
 528                 if (cs.viewmodelforclient)
 529                         cs.flags |= RENDER_VIEWMODEL; // show relative to the view
 530
 531                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
 532                 cs.light[0] = (unsigned short)bound(0, f, 65535);
 533                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
 534                 cs.light[1] = (unsigned short)bound(0, f, 65535);
 535                 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
 536                 cs.light[2] = (unsigned short)bound(0, f, 65535);
 537                 f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
 538                 cs.light[3] = (unsigned short)bound(0, f, 65535);
 539                 cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
 540                 cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
 541
 542                 if (gamemode == GAME_TENEBRAE)
 543                 {
 544                         // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
 545                         if (cs.effects & 16)
 546                         {
 547                                 cs.effects &= ~16;
 548                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 549                         }
 550                         // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
 551                         if (cs.effects & 32)
 552                         {
 553                                 cs.effects &= ~32;
 554                                 cs.light[0] = 0.2;
 555                                 cs.light[1] = 1;
 556                                 cs.light[2] = 0.2;
 557                                 cs.light[3] = 200;
 558                                 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
 559                         }
 560                 }
 561
 562                 cs.specialvisibilityradius = 0;
 563                 if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
 564                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
 565                 if (cs.glowsize)
 566                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
 567                 if (cs.flags & RENDER_GLOWTRAIL)
 568                         cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 569                 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 570                 {
 571                         if (cs.effects & EF_BRIGHTFIELD)
 572                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
 573                         if (cs.effects & EF_MUZZLEFLASH)
 574                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 575                         if (cs.effects & EF_BRIGHTLIGHT)
 576                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
 577                         if (cs.effects & EF_DIMLIGHT)
 578                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 579                         if (cs.effects & EF_RED)
 580                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 581                         if (cs.effects & EF_BLUE)
 582                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
 583                         if (cs.effects & EF_FLAME)
 584                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
 585                         if (cs.effects & EF_STARDUST)
 586                                 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
 587                 }
 588
 589                 if (numsendentities >= MAX_EDICTS)
 590                         continue;
 591                 // we can omit invisible entities with no effects that are not clients
 592                 // LordHavoc: this could kill tags attached to an invisible entity, I
 593                 // just hope we never have to support that case
 594                 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
 595                         continue;
 596                 sendentitiesindex[e] = sendentities + numsendentities;
 597                 sendentities[numsendentities++] = cs;
 598         }
 599 }
 600
 601 static int sententitiesmark = 0;
 602 static int sententities[MAX_EDICTS];
 603 static int sententitiesconsideration[MAX_EDICTS];
 604 static int sv_writeentitiestoclient_culled_pvs;
 605 static int sv_writeentitiestoclient_culled_trace;
 606 static int sv_writeentitiestoclient_visibleentities;
 607 static int sv_writeentitiestoclient_totalentities;
 608 //static entity_frame_t sv_writeentitiestoclient_entityframe;
 609 static int sv_writeentitiestoclient_clentnum;
 610 static vec3_t sv_writeentitiestoclient_testeye;
 611 static client_t *sv_writeentitiestoclient_client;
 612
 613 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 614 {
 615         int isbmodel;
 616         vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
 617         model_t *model;
 618         trace_t trace;
 619         if (sententitiesconsideration[s->number] == sententitiesmark)
 620                 return;
 621         sententitiesconsideration[s->number] = sententitiesmark;
 622         // viewmodels don't have visibility checking
 623         if (s->viewmodelforclient)
 624         {
 625                 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
 626                         return;
 627         }
 628         // never reject player
 629         else if (s->number != sv_writeentitiestoclient_clentnum)
 630         {
 631                 // check various rejection conditions
 632                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
 633                         return;
 634                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
 635                         return;
 636                 if (s->effects & EF_NODRAW)
 637                         return;
 638                 // LordHavoc: only send entities with a model or important effects
 639                 if (!s->modelindex && s->specialvisibilityradius == 0)
 640                         return;
 641                 if (s->tagentity)
 642                 {
 643                         // tag attached entities simply check their parent
 644                         if (!sendentitiesindex[s->tagentity])
 645                                 return;
 646                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
 647                         if (sententities[s->tagentity] != sententitiesmark)
 648                                 return;
 649                 }
 650                 // skip invalid modelindexes to avoid crashes
 651                 else if (s->modelindex >= MAX_MODELS)
 652                         return;
 653                 // always send world submodels, they don't generate much traffic
 654                 // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
 655                 else if (!(s->effects & EF_NODEPTHTEST) && (!(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') || sv.protocol == PROTOCOL_QUAKE))
 656                 {
 657                         Mod_CheckLoaded(model);
 658                         // entity has survived every check so far, check if visible
 659                         // enlarged box to account for prediction (not that there is
 660                         // any currently, but still helps the 'run into a room and
 661                         // watch items pop up' problem)
 662                         entmins[0] = s->origin[0] - 32.0f;
 663                         entmins[1] = s->origin[1] - 32.0f;
 664                         entmins[2] = s->origin[2] - 32.0f;
 665                         entmaxs[0] = s->origin[0] + 32.0f;
 666                         entmaxs[1] = s->origin[1] + 32.0f;
 667                         entmaxs[2] = s->origin[2] + 32.0f;
 668                         // using the model's bounding box to ensure things are visible regardless of their physics box
 669                         if (model)
 670                         {
 671                                 if (s->angles[0] || s->angles[2]) // pitch and roll
 672                                 {
 673                                         VectorAdd(entmins, model->rotatedmins, entmins);
 674                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
 675                                 }
 676                                 else if (s->angles[1])
 677                                 {
 678                                         VectorAdd(entmins, model->yawmins, entmins);
 679                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
 680                                 }
 681                                 else
 682                                 {
 683                                         VectorAdd(entmins, model->normalmins, entmins);
 684                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
 685                                 }
 686                         }
 687                         lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
 688                         lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
 689                         lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
 690                         lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
 691                         lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
 692                         lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
 693                         sv_writeentitiestoclient_totalentities++;
 694                         // if not touching a visible leaf
 695                         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))
 696                         {
 697                                 sv_writeentitiestoclient_culled_pvs++;
 698                                 return;
 699                         }
 700                         // or not seen by random tracelines
 701                         if (sv_cullentities_trace.integer && !isbmodel)
 702                         {
 703                                 // LordHavoc: test center first
 704                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
 705                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
 706                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
 707                                 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 708                                 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 709                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 710                                 else
 711                                 {
 712                                         // LordHavoc: test random offsets, to maximize chance of detection
 713                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
 714                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
 715                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 716                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 717                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
 718                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 719                                         else
 720                                         {
 721                                                 if (s->specialvisibilityradius)
 722                                                 {
 723                                                         // LordHavoc: test random offsets, to maximize chance of detection
 724                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
 725                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
 726                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[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                                                 }
 731                                         }
 732                                 }
 733                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
 734                                 {
 735                                         sv_writeentitiestoclient_culled_trace++;
 736                                         return;
 737                                 }
 738                         }
 739                         sv_writeentitiestoclient_visibleentities++;
 740                 }
 741         }
 742         // this just marks it for sending
 743         // FIXME: it would be more efficient to send here, but the entity
 744         // compressor isn't that flexible
 745         sententities[s->number] = sententitiesmark;
 746 }
 747
 748 entity_state_t sendstates[MAX_EDICTS];
 749
 750 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg, int *stats)
 751 {
 752         int i, numsendstates;
 753         entity_state_t *s;
 754
 755         // if there isn't enough space to accomplish anything, skip it
 756         if (msg->cursize + 25 > msg->maxsize)
 757                 return;
 758
 759         sv_writeentitiestoclient_client = client;
 760
 761         sv_writeentitiestoclient_culled_pvs = 0;
 762         sv_writeentitiestoclient_culled_trace = 0;
 763         sv_writeentitiestoclient_visibleentities = 0;
 764         sv_writeentitiestoclient_totalentities = 0;
 765
 766         Mod_CheckLoaded(sv.worldmodel);
 767
 768 // find the client's PVS
 769         // the real place being tested from
 770         VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
 771         sv_writeentitiestoclient_pvsbytes = 0;
 772         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
 773                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 774
 775         sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 776
 777         sententitiesmark++;
 778
 779         for (i = 0;i < numsendentities;i++)
 780                 SV_MarkWriteEntityStateToClient(sendentities + i);
 781
 782         numsendstates = 0;
 783         for (i = 0;i < numsendentities;i++)
 784         {
 785                 if (sententities[sendentities[i].number] == sententitiesmark)
 786                 {
 787                         s = &sendstates[numsendstates++];
 788                         *s = sendentities[i];
 789                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
 790                                 s->flags |= RENDER_EXTERIORMODEL;
 791                 }
 792         }
 793
 794         if (sv_cullentities_stats.integer)
 795                 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);
 796
 797         if (client->entitydatabase5)
 798                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats);
 799         else if (client->entitydatabase4)
 800                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
 801         else if (client->entitydatabase)
 802                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
 803         else
 804                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
 805 }
 806
 807 /*
 808 =============
 809 SV_CleanupEnts
 810
 811 =============
 812 */
 813 void SV_CleanupEnts (void)
 814 {
 815         int             e;
 816         edict_t *ent;
 817
 818         ent = NEXT_EDICT(sv.edicts);
 819         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
 820                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
 821 }
 822
 823 /*
 824 ==================
 825 SV_WriteClientdataToMessage
 826
 827 ==================
 828 */
 829 void SV_WriteClientdataToMessage (client_t *client, edict_t *ent, sizebuf_t *msg, int *stats)
 830 {
 831         int             bits;
 832         int             i;
 833         edict_t *other;
 834         int             items;
 835         eval_t  *val;
 836         vec3_t  punchvector;
 837         qbyte   viewzoom;
 838         int             weaponmodelindex;
 839
 840 //
 841 // send a damage message
 842 //
 843         if (ent->v->dmg_take || ent->v->dmg_save)
 844         {
 845                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
 846                 MSG_WriteByte (msg, svc_damage);
 847                 MSG_WriteByte (msg, ent->v->dmg_save);
 848                 MSG_WriteByte (msg, ent->v->dmg_take);
 849                 for (i=0 ; i<3 ; i++)
 850                         MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
 851
 852                 ent->v->dmg_take = 0;
 853                 ent->v->dmg_save = 0;
 854         }
 855
 856 //
 857 // send the current viewpos offset from the view entity
 858 //
 859         SV_SetIdealPitch ();            // how much to look up / down ideally
 860
 861 // a fixangle might get lost in a dropped packet.  Oh well.
 862         if ( ent->v->fixangle )
 863         {
 864                 MSG_WriteByte (msg, svc_setangle);
 865                 for (i=0 ; i < 3 ; i++)
 866                         MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
 867                 ent->v->fixangle = 0;
 868         }
 869
 870         // stuff the sigil bits into the high bits of items for sbar, or else
 871         // mix in items2
 872         val = GETEDICTFIELDVALUE(ent, eval_items2);
 873         if (val)
 874                 items = (int)ent->v->items | ((int)val->_float << 23);
 875         else
 876                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
 877
 878         VectorClear(punchvector);
 879         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
 880                 VectorCopy(val->vector, punchvector);
 881
 882         weaponmodelindex = SV_ModelIndex(PR_GetString(ent->v->weaponmodel), 1);
 883
 884         viewzoom = 255;
 885         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
 886                 viewzoom = val->_float * 255.0f;
 887         if (viewzoom == 0)
 888                 viewzoom = 255;
 889
 890         bits = 0;
 891
 892         if ((int)ent->v->flags & FL_ONGROUND)
 893                 bits |= SU_ONGROUND;
 894         if (ent->v->waterlevel >= 2)
 895                 bits |= SU_INWATER;
 896         if (ent->v->idealpitch)
 897                 bits |= SU_IDEALPITCH;
 898
 899         for (i=0 ; i<3 ; i++)
 900         {
 901                 if (ent->v->punchangle[i])
 902                         bits |= (SU_PUNCH1<<i);
 903                 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)
 904                         if (punchvector[i])
 905                                 bits |= (SU_PUNCHVEC1<<i);
 906                 if (ent->v->velocity[i])
 907                         bits |= (SU_VELOCITY1<<i);
 908         }
 909
 910         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
 911         stats[STAT_VIEWHEIGHT] = ent->v->view_ofs[2];
 912         stats[STAT_ITEMS] = items;
 913         stats[STAT_WEAPONFRAME] = ent->v->weaponframe;
 914         stats[STAT_ARMOR] = ent->v->armorvalue;
 915         stats[STAT_WEAPON] = weaponmodelindex;
 916         stats[STAT_HEALTH] = ent->v->health;
 917         stats[STAT_AMMO] = ent->v->currentammo;
 918         stats[STAT_SHELLS] = ent->v->ammo_shells;
 919         stats[STAT_NAILS] = ent->v->ammo_nails;
 920         stats[STAT_ROCKETS] = ent->v->ammo_rockets;
 921         stats[STAT_CELLS] = ent->v->ammo_cells;
 922         stats[STAT_ACTIVEWEAPON] = ent->v->weapon;
 923         stats[STAT_VIEWZOOM] = viewzoom;
 924         // the QC bumps these itself by sending svc_'s, so we have to keep them
 925         // zero or they'll be corrected by the engine
 926         //stats[STAT_TOTALSECRETS] = pr_global_struct->total_secrets;
 927         //stats[STAT_TOTALMONSTERS] = pr_global_struct->total_monsters;
 928         //stats[STAT_SECRETS] = pr_global_struct->found_secrets;
 929         //stats[STAT_MONSTERS] = pr_global_struct->killed_monsters;
 930
 931         if (sv.protocol != PROTOCOL_DARKPLACES6)
 932         {
 933                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
 934                 bits |= SU_ITEMS;
 935                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
 936                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
 937                 bits |= SU_WEAPON;
 938                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
 939                 if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 940                         if (viewzoom != 255)
 941                                 bits |= SU_VIEWZOOM;
 942         }
 943
 944         if (bits >= 65536)
 945                 bits |= SU_EXTEND1;
 946         if (bits >= 16777216)
 947                 bits |= SU_EXTEND2;
 948
 949         // send the data
 950         MSG_WriteByte (msg, svc_clientdata);
 951         MSG_WriteShort (msg, bits);
 952         if (bits & SU_EXTEND1)
 953                 MSG_WriteByte(msg, bits >> 16);
 954         if (bits & SU_EXTEND2)
 955                 MSG_WriteByte(msg, bits >> 24);
 956
 957         if (bits & SU_VIEWHEIGHT)
 958                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
 959
 960         if (bits & SU_IDEALPITCH)
 961                 MSG_WriteChar (msg, ent->v->idealpitch);
 962
 963         for (i=0 ; i<3 ; i++)
 964         {
 965                 if (bits & (SU_PUNCH1<<i))
 966                 {
 967                         if (sv.protocol == PROTOCOL_QUAKE)
 968                                 MSG_WriteChar(msg, ent->v->punchangle[i]);
 969                         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)
 970                                 MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
 971                 }
 972                 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)
 973                 {
 974                         if (bits & (SU_PUNCHVEC1<<i))
 975                         {
 976                                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 977                                         MSG_WriteCoord16i(msg, punchvector[i]);
 978                                 else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 979                                         MSG_WriteCoord32f(msg, punchvector[i]);
 980                         }
 981                 }
 982                 if (bits & (SU_VELOCITY1<<i))
 983                 {
 984                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
 985                                 MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
 986                         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
 987                                 MSG_WriteCoord32f(msg, ent->v->velocity[i]);
 988                 }
 989         }
 990
 991         if (bits & SU_ITEMS)
 992                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
 993
 994         if (sv.protocol == PROTOCOL_DARKPLACES5)
 995         {
 996                 if (bits & SU_WEAPONFRAME)
 997                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
 998                 if (bits & SU_ARMOR)
 999                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1000                 if (bits & SU_WEAPON)
1001                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1002                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1003                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1004                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1005                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1006                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1007                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1008                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1009                 if (bits & SU_VIEWZOOM)
1010                         MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1011         }
1012         else if (sv.protocol != PROTOCOL_DARKPLACES6)
1013         {
1014                 if (bits & SU_WEAPONFRAME)
1015                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1016                 if (bits & SU_ARMOR)
1017                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1018                 if (bits & SU_WEAPON)
1019                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1020                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1021                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1022                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1023                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1024                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1025                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1026                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1027                 {
1028                         for (i = 0;i < 32;i++)
1029                                 if (stats[STAT_WEAPON] & (1<<i))
1030                                         break;
1031                         MSG_WriteByte (msg, i);
1032                 }
1033                 else
1034                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1035                 if (bits & SU_VIEWZOOM)
1036                 {
1037                         if (sv.protocol == PROTOCOL_DARKPLACES4)
1038                                 MSG_WriteByte (msg, min(stats[STAT_VIEWZOOM], 255));
1039                         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
1040                                 MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1041                 }
1042         }
1043 }
1044
1045 /*
1046 =======================
1047 SV_SendClientDatagram
1048 =======================
1049 */
1050 static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1051 qboolean SV_SendClientDatagram (client_t *client)
1052 {
1053         int rate, maxrate, maxsize, maxsize2;
1054         sizebuf_t msg;
1055         int stats[MAX_CL_STATS];
1056
1057         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1058         {
1059                 // for good singleplayer, send huge packets
1060                 maxsize = sizeof(sv_sendclientdatagram_buf);
1061                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1062         }
1063         else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
1064         {
1065                 // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
1066                 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1067                 if (sv_maxrate.integer != maxrate)
1068                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1069
1070                 rate = bound(NET_MINRATE, client->rate, maxrate);
1071                 rate = (int)(client->rate * sys_ticrate.value);
1072                 maxsize = bound(100, rate, 1400);
1073                 maxsize2 = 1400;
1074         }
1075         else
1076         {
1077                 // no rate limiting support on older protocols because dp protocols
1078                 // 1-4 kick the client off if they overflow, and quake protocol shows
1079                 // less than the full entity set if rate limited
1080                 maxsize = 1400;
1081                 maxsize2 = 1400;
1082         }
1083
1084         msg.data = sv_sendclientdatagram_buf;
1085         msg.maxsize = maxsize;
1086         msg.cursize = 0;
1087
1088         MSG_WriteByte (&msg, svc_time);
1089         MSG_WriteFloat (&msg, sv.time);
1090
1091         // add the client specific data to the datagram
1092         SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1093         SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1094
1095         // expand packet size to allow effects to go over the rate limit
1096         // (dropping them is FAR too ugly)
1097         msg.maxsize = maxsize2;
1098
1099         // copy the server datagram if there is space
1100         // FIXME: put in delayed queue of effects to send
1101         if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1102                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1103
1104 // send the datagram
1105         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1106         {
1107                 SV_DropClient (true);// if the message couldn't send, kick off
1108                 return false;
1109         }
1110
1111         return true;
1112 }
1113
1114 /*
1115 =======================
1116 SV_UpdateToReliableMessages
1117 =======================
1118 */
1119 void SV_UpdateToReliableMessages (void)
1120 {
1121         int i, j;
1122         client_t *client;
1123         eval_t *val;
1124         char *name;
1125         char *model;
1126         char *skin;
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                 // NEXUIZ_PLAYERMODEL
1166                 if( eval_playermodel ) {
1167                         model = PR_GetString(GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string);
1168                         if (model == NULL)
1169                                 model = "";
1170                         // always point the string back at host_client->name to keep it safe
1171                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
1172                         GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string = PR_SetString(host_client->playermodel);
1173                 }
1174
1175                 // NEXUIZ_PLAYERSKIN
1176                 if( eval_playerskin ) {
1177                         skin = PR_GetString(GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string);
1178                         if (skin == NULL)
1179                                 skin = "";
1180                         // always point the string back at host_client->name to keep it safe
1181                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
1182                         GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string = PR_SetString(host_client->playerskin);
1183                 }
1184
1185                 // frags
1186                 host_client->frags = (int)host_client->edict->v->frags;
1187                 if (host_client->old_frags != host_client->frags)
1188                 {
1189                         host_client->old_frags = host_client->frags;
1190                         // send notification to all clients
1191                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1192                         MSG_WriteByte (&sv.reliable_datagram, i);
1193                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1194                 }
1195         }
1196
1197         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1198                 if (client->netconnection)
1199                         SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1200
1201         SZ_Clear (&sv.reliable_datagram);
1202 }
1203
1204
1205 /*
1206 =======================
1207 SV_SendNop
1208
1209 Send a nop message without trashing or sending the accumulated client
1210 message buffer
1211 =======================
1212 */
1213 void SV_SendNop (client_t *client)
1214 {
1215         sizebuf_t       msg;
1216         qbyte           buf[4];
1217
1218         msg.data = buf;
1219         msg.maxsize = sizeof(buf);
1220         msg.cursize = 0;
1221
1222         MSG_WriteChar (&msg, svc_nop);
1223
1224         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1225                 SV_DropClient (true);   // if the message couldn't send, kick off
1226         client->last_message = realtime;
1227 }
1228
1229 /*
1230 =======================
1231 SV_SendClientMessages
1232 =======================
1233 */
1234 void SV_SendClientMessages (void)
1235 {
1236         int i, prepared = false;
1237
1238 // update frags, names, etc
1239         SV_UpdateToReliableMessages();
1240
1241 // build individual updates
1242         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1243         {
1244                 if (!host_client->active)
1245                         continue;
1246                 if (!host_client->netconnection)
1247                 {
1248                         SZ_Clear(&host_client->message);
1249                         continue;
1250                 }
1251
1252                 if (host_client->deadsocket || host_client->message.overflowed)
1253                 {
1254                         SV_DropClient (true);   // if the message couldn't send, kick off
1255                         continue;
1256                 }
1257
1258                 if (host_client->spawned)
1259                 {
1260                         if (!prepared)
1261                         {
1262                                 prepared = true;
1263                                 // only prepare entities once per frame
1264                                 SV_PrepareEntitiesForSending();
1265                         }
1266                         if (!SV_SendClientDatagram (host_client))
1267                                 continue;
1268                 }
1269                 else
1270                 {
1271                 // the player isn't totally in the game yet
1272                 // send small keepalive messages if too much time has passed
1273                 // send a full message when the next signon stage has been requested
1274                 // some other message data (name changes, etc) may accumulate
1275                 // between signon stages
1276                         if (!host_client->sendsignon)
1277                         {
1278                                 if (realtime - host_client->last_message > 5)
1279                                         SV_SendNop (host_client);
1280                                 continue;       // don't send out non-signon messages
1281                         }
1282                 }
1283
1284                 if (host_client->message.cursize || host_client->dropasap)
1285                 {
1286                         if (!NetConn_CanSendMessage (host_client->netconnection))
1287                                 continue;
1288
1289                         if (host_client->dropasap)
1290                                 SV_DropClient (false);  // went to another level
1291                         else
1292                         {
1293                                 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1294                                         SV_DropClient (true);   // if the message couldn't send, kick off
1295                                 SZ_Clear (&host_client->message);
1296                                 host_client->last_message = realtime;
1297                                 host_client->sendsignon = false;
1298                         }
1299                 }
1300         }
1301
1302 // clear muzzle flashes
1303         SV_CleanupEnts();
1304 }
1305
1306
1307 /*
1308 ==============================================================================
1309
1310 SERVER SPAWNING
1311
1312 ==============================================================================
1313 */
1314
1315 /*
1316 ================
1317 SV_ModelIndex
1318
1319 ================
1320 */
1321 int SV_ModelIndex(char *s, int precachemode)
1322 {
1323         int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_MODELS);
1324         char filename[MAX_QPATH];
1325         if (!s || !*s)
1326                 return 0;
1327         // testing
1328         //if (precachemode == 2)
1329         //      return 0;
1330         strlcpy(filename, s, sizeof(filename));
1331         for (i = 2;i < limit;i++)
1332         {
1333                 if (!sv.model_precache[i][0])
1334                 {
1335                         if (precachemode)
1336                         {
1337                                 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))
1338                                 {
1339                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1340                                         return 0;
1341                                 }
1342                                 if (precachemode == 1)
1343                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1344                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1345                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1346                                 if (sv.protocol == PROTOCOL_DARKPLACES6)
1347                                 {
1348                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1349                                         MSG_WriteShort(&sv.reliable_datagram, i);
1350                                         MSG_WriteString(&sv.reliable_datagram, filename);
1351                                 }
1352                                 return i;
1353                         }
1354                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1355                         return 0;
1356                 }
1357                 if (!strcmp(sv.model_precache[i], filename))
1358                         return i;
1359         }
1360         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1361         return 0;
1362 }
1363
1364 /*
1365 ================
1366 SV_SoundIndex
1367
1368 ================
1369 */
1370 int SV_SoundIndex(char *s, int precachemode)
1371 {
1372         int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_SOUNDS);
1373         char filename[MAX_QPATH];
1374         if (!s || !*s)
1375                 return 0;
1376         // testing
1377         //if (precachemode == 2)
1378         //      return 0;
1379         strlcpy(filename, s, sizeof(filename));
1380         for (i = 1;i < limit;i++)
1381         {
1382                 if (!sv.sound_precache[i][0])
1383                 {
1384                         if (precachemode)
1385                         {
1386                                 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))
1387                                 {
1388                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1389                                         return 0;
1390                                 }
1391                                 if (precachemode == 1)
1392                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1393                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1394                                 if (sv.protocol == PROTOCOL_DARKPLACES6)
1395                                 {
1396                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1397                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1398                                         MSG_WriteString(&sv.reliable_datagram, filename);
1399                                 }
1400                                 return i;
1401                         }
1402                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1403                         return 0;
1404                 }
1405                 if (!strcmp(sv.sound_precache[i], filename))
1406                         return i;
1407         }
1408         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1409         return 0;
1410 }
1411
1412 /*
1413 ================
1414 SV_CreateBaseline
1415
1416 ================
1417 */
1418 void SV_CreateBaseline (void)
1419 {
1420         int i, entnum, large;
1421         edict_t *svent;
1422
1423         // LordHavoc: clear *all* states (note just active ones)
1424         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1425         {
1426                 // get the current server version
1427                 svent = EDICT_NUM(entnum);
1428
1429                 // LordHavoc: always clear state values, whether the entity is in use or not
1430                 svent->e->baseline = defaultstate;
1431
1432                 if (svent->e->free)
1433                         continue;
1434                 if (entnum > svs.maxclients && !svent->v->modelindex)
1435                         continue;
1436
1437                 // create entity baseline
1438                 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1439                 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1440                 svent->e->baseline.frame = svent->v->frame;
1441                 svent->e->baseline.skin = svent->v->skin;
1442                 if (entnum > 0 && entnum <= svs.maxclients)
1443                 {
1444                         svent->e->baseline.colormap = entnum;
1445                         svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1446                 }
1447                 else
1448                 {
1449                         svent->e->baseline.colormap = 0;
1450                         svent->e->baseline.modelindex = svent->v->modelindex;
1451                 }
1452
1453                 large = false;
1454                 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1455                         large = true;
1456
1457                 // add to the message
1458                 if (large)
1459                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1460                 else
1461                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1462                 MSG_WriteShort (&sv.signon, entnum);
1463
1464                 if (large)
1465                 {
1466                         MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1467                         MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1468                 }
1469                 else
1470                 {
1471                         MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1472                         MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1473                 }
1474                 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1475                 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1476                 for (i=0 ; i<3 ; i++)
1477                 {
1478                         MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
1479                         MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
1480                 }
1481         }
1482 }
1483
1484
1485 /*
1486 ================
1487 SV_SendReconnect
1488
1489 Tell all the clients that the server is changing levels
1490 ================
1491 */
1492 void SV_SendReconnect (void)
1493 {
1494         char    data[128];
1495         sizebuf_t       msg;
1496
1497         msg.data = data;
1498         msg.cursize = 0;
1499         msg.maxsize = sizeof(data);
1500
1501         MSG_WriteChar (&msg, svc_stufftext);
1502         MSG_WriteString (&msg, "reconnect\n");
1503         NetConn_SendToAll (&msg, 5);
1504
1505         if (cls.state != ca_dedicated)
1506                 Cmd_ExecuteString ("reconnect\n", src_command);
1507 }
1508
1509
1510 /*
1511 ================
1512 SV_SaveSpawnparms
1513
1514 Grabs the current state of each client for saving across the
1515 transition to another level
1516 ================
1517 */
1518 void SV_SaveSpawnparms (void)
1519 {
1520         int             i, j;
1521
1522         svs.serverflags = pr_global_struct->serverflags;
1523
1524         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1525         {
1526                 if (!host_client->active)
1527                         continue;
1528
1529         // call the progs to get default spawn parms for the new client
1530                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1531                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1532                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1533                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1534         }
1535 }
1536
1537 void SV_IncreaseEdicts(void)
1538 {
1539         int i;
1540         edict_t *ent;
1541         int oldmax_edicts = sv.max_edicts;
1542         void *oldedictsengineprivate = sv.edictsengineprivate;
1543         void *oldedictsfields = sv.edictsfields;
1544         void *oldmoved_edicts = sv.moved_edicts;
1545
1546         if (sv.max_edicts >= MAX_EDICTS)
1547                 return;
1548
1549         // links don't survive the transition, so unlink everything
1550         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1551         {
1552                 if (!ent->e->free)
1553                         SV_UnlinkEdict(sv.edicts + i);
1554                 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1555         }
1556         SV_ClearWorld();
1557
1558         sv.max_edicts   = min(sv.max_edicts + 256, MAX_EDICTS);
1559         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1560         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1561         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1562
1563         memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1564         memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1565
1566         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1567         {
1568                 ent->e = sv.edictsengineprivate + i;
1569                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1570                 // link every entity except world
1571                 if (!ent->e->free)
1572                         SV_LinkEdict(ent, false);
1573         }
1574
1575         Mem_Free(oldedictsengineprivate);
1576         Mem_Free(oldedictsfields);
1577         Mem_Free(oldmoved_edicts);
1578 }
1579
1580 /*
1581 ================
1582 SV_SpawnServer
1583
1584 This is called at the start of each level
1585 ================
1586 */
1587 extern float            scr_centertime_off;
1588
1589 void SV_SpawnServer (const char *server)
1590 {
1591         edict_t *ent;
1592         int i;
1593         qbyte *entities;
1594         model_t *worldmodel;
1595         char modelname[sizeof(sv.modelname)];
1596
1597         Con_DPrintf("SpawnServer: %s\n", server);
1598
1599         snprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1600         worldmodel = Mod_ForName(modelname, false, true, true);
1601         if (!worldmodel || !worldmodel->TraceBox)
1602         {
1603                 Con_Printf("Couldn't load map %s\n", modelname);
1604                 return;
1605         }
1606
1607         // let's not have any servers with no name
1608         if (hostname.string[0] == 0)
1609                 Cvar_Set ("hostname", "UNNAMED");
1610         scr_centertime_off = 0;
1611
1612         svs.changelevel_issued = false;         // now safe to issue another
1613
1614 //
1615 // tell all connected clients that we are going to a new level
1616 //
1617         if (sv.active)
1618                 SV_SendReconnect();
1619         else
1620         {
1621                 // make sure cvars have been checked before opening the ports
1622                 NetConn_ServerFrame();
1623                 NetConn_OpenServerPorts(true);
1624         }
1625
1626 //
1627 // make cvars consistant
1628 //
1629         if (coop.integer)
1630                 Cvar_SetValue ("deathmatch", 0);
1631         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1632
1633         Cvar_SetValue ("skill", (float)current_skill);
1634
1635 //
1636 // set up the new server
1637 //
1638         Host_ClearMemory ();
1639
1640         memset (&sv, 0, sizeof(sv));
1641
1642         strlcpy (sv.name, server, sizeof (sv.name));
1643
1644         sv.netquakecompatible = false;
1645         if (!strcasecmp(sv_protocolname.string, "QUAKE"))
1646         {
1647                 sv.protocol = PROTOCOL_QUAKE;
1648                 sv.netquakecompatible = true;
1649         }
1650         else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
1651                 sv.protocol = PROTOCOL_QUAKE;
1652         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
1653                 sv.protocol = PROTOCOL_DARKPLACES1;
1654         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
1655                 sv.protocol = PROTOCOL_DARKPLACES2;
1656         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
1657                 sv.protocol = PROTOCOL_DARKPLACES3;
1658         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
1659                 sv.protocol = PROTOCOL_DARKPLACES4;
1660         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
1661                 sv.protocol = PROTOCOL_DARKPLACES5;
1662         else if (!strcasecmp(sv_protocolname.string, "DARKPLACES6"))
1663                 sv.protocol = PROTOCOL_DARKPLACES6;
1664         else
1665         {
1666                 sv.protocol = PROTOCOL_DARKPLACES6;
1667                 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);
1668         }
1669
1670 // load progs to get entity field count
1671         PR_LoadProgs ( sv_progs.string );
1672
1673 // allocate server memory
1674         // start out with just enough room for clients and a reasonable estimate of entities
1675         sv.max_edicts = max(svs.maxclients + 1, 512);
1676         sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1677
1678         // clear the edict memory pool
1679         Mem_EmptyPool(sv_edicts_mempool);
1680         // edict_t structures (hidden from progs)
1681         sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1682         // engine private structures (hidden from progs)
1683         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1684         // progs fields, often accessed by server
1685         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1686         // used by PushMove to move back pushed entities
1687         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1688         for (i = 0;i < sv.max_edicts;i++)
1689         {
1690                 ent = sv.edicts + i;
1691                 ent->e = sv.edictsengineprivate + i;
1692                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1693         }
1694
1695         // fix up client->edict pointers for returning clients right away...
1696         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1697                 host_client->edict = EDICT_NUM(i + 1);
1698
1699         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1700         sv.datagram.cursize = 0;
1701         sv.datagram.data = sv.datagram_buf;
1702
1703         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1704         sv.reliable_datagram.cursize = 0;
1705         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1706
1707         sv.signon.maxsize = sizeof(sv.signon_buf);
1708         sv.signon.cursize = 0;
1709         sv.signon.data = sv.signon_buf;
1710
1711 // leave slots at start for clients only
1712         sv.num_edicts = svs.maxclients+1;
1713
1714         sv.state = ss_loading;
1715         sv.paused = false;
1716
1717         sv.time = 1.0;
1718
1719         Mod_ClearUsed();
1720         worldmodel->used = true;
1721
1722         strlcpy (sv.name, server, sizeof (sv.name));
1723         strcpy(sv.modelname, modelname);
1724         sv.worldmodel = worldmodel;
1725         sv.models[1] = sv.worldmodel;
1726
1727 //
1728 // clear world interaction links
1729 //
1730         SV_ClearWorld ();
1731
1732         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
1733
1734         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
1735         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
1736         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1737         {
1738                 snprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
1739                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
1740         }
1741
1742 //
1743 // load the rest of the entities
1744 //
1745         ent = EDICT_NUM(0);
1746         memset (ent->v, 0, progs->entityfields * 4);
1747         ent->e->free = false;
1748         ent->v->model = PR_SetString(sv.modelname);
1749         ent->v->modelindex = 1;         // world model
1750         ent->v->solid = SOLID_BSP;
1751         ent->v->movetype = MOVETYPE_PUSH;
1752
1753         if (coop.value)
1754                 pr_global_struct->coop = coop.integer;
1755         else
1756                 pr_global_struct->deathmatch = deathmatch.integer;
1757
1758         pr_global_struct->mapname = PR_SetString(sv.name);
1759
1760 // serverflags are for cross level information (sigils)
1761         pr_global_struct->serverflags = svs.serverflags;
1762
1763         // load replacement entity file if found
1764         entities = NULL;
1765         if (sv_entpatch.integer)
1766                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
1767         if (entities)
1768         {
1769                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1770                 ED_LoadFromFile (entities);
1771                 Mem_Free(entities);
1772         }
1773         else
1774                 ED_LoadFromFile (sv.worldmodel->brush.entities);
1775
1776
1777         // LordHavoc: clear world angles (to fix e3m3.bsp)
1778         VectorClear(sv.edicts->v->angles);
1779
1780         sv.active = true;
1781
1782 // all setup is completed, any further precache statements are errors
1783         sv.state = ss_active;
1784
1785 // run two frames to allow everything to settle
1786         for (i = 0;i < 2;i++)
1787         {
1788                 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1789                 SV_Physics ();
1790         }
1791
1792         Mod_PurgeUnused();
1793
1794 // create a baseline for more efficient communications
1795         if (sv.protocol == PROTOCOL_QUAKE)
1796                 SV_CreateBaseline ();
1797
1798 // send serverinfo to all connected clients
1799         // (note this also handles botclients coming back from a level change)
1800         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1801                 if (host_client->active)
1802                         SV_SendServerinfo(host_client);
1803
1804         Con_DPrint("Server spawned.\n");
1805         NetConn_Heartbeat (2);
1806 }
1807