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 #include "libcurl.h"
  24
  25 void SV_VM_Init();
  26 void SV_VM_Setup();
  27
  28 void VM_AutoSentStats_Clear (void);
  29 void EntityFrameCSQC_ClearVersions (void);
  30 void EntityFrameCSQC_InitClientVersions (int client, qboolean clear);
  31 void VM_SV_WriteAutoSentStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  32 void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states);
  33
  34
  35 // select which protocol to host, this is fed to Protocol_EnumForName
  36 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
  37 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
  38 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "10000", "upper limit on client rate cvar, should reflect your network connection quality"};
  39 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  40 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  41 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  42 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  43 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  44
  45 extern cvar_t sv_random_seed;
  46
  47 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"}; // fast but loose
  48 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
  49 static cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
  50 static cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  51 static cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  52 static cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  53 static cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  54 static cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  55 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  56 static cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  57
  58 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
  59 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
  60 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
  61 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
  62 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
  63 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
  64 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  65 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
  66 cvar_t sv_gameplayfix_qwplayerphysics = {0, "sv_gameplayfix_qwplayerphysics", "1", "changes water jumping to make it easier to get out of water, and prevents friction on landing when bunnyhopping"};
  67 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
  68 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
  69
  70 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
  71
  72 // TODO: move these cvars here
  73 extern cvar_t sv_clmovement_enable;
  74 extern cvar_t sv_clmovement_minping;
  75 extern cvar_t sv_clmovement_minping_disabletime;
  76 extern cvar_t sv_clmovement_waitforinput;
  77
  78 server_t sv;
  79 server_static_t svs;
  80
  81 mempool_t *sv_mempool = NULL;
  82
  83 //============================================================================
  84
  85 extern void SV_Phys_Init (void);
  86 static void SV_SaveEntFile_f(void);
  87 static void SV_StartDownload_f(void);
  88 static void SV_Download_f(void);
  89
  90 void SV_AreaStats_f(void)
  91 {
  92         World_PrintAreaStats(&sv.world, "server");
  93 }
  94
  95 /*
  96 ===============
  97 SV_Init
  98 ===============
  99 */
 100 void SV_Init (void)
 101 {
 102         // init the csqc progs cvars, since they are updated/used by the server code
 103         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 104         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 105         extern cvar_t csqc_progcrc;
 106         extern cvar_t csqc_progsize;
 107         Cvar_RegisterVariable (&csqc_progname);
 108         Cvar_RegisterVariable (&csqc_progcrc);
 109         Cvar_RegisterVariable (&csqc_progsize);
 110
 111         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 112         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 113         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 114         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 115         Cvar_RegisterVariable (&sv_maxvelocity);
 116         Cvar_RegisterVariable (&sv_gravity);
 117         Cvar_RegisterVariable (&sv_friction);
 118         Cvar_RegisterVariable (&sv_waterfriction);
 119         Cvar_RegisterVariable (&sv_edgefriction);
 120         Cvar_RegisterVariable (&sv_stopspeed);
 121         Cvar_RegisterVariable (&sv_maxspeed);
 122         Cvar_RegisterVariable (&sv_maxairspeed);
 123         Cvar_RegisterVariable (&sv_accelerate);
 124         Cvar_RegisterVariable (&sv_airaccelerate);
 125         Cvar_RegisterVariable (&sv_wateraccelerate);
 126         Cvar_RegisterVariable (&sv_clmovement_enable);
 127         Cvar_RegisterVariable (&sv_clmovement_minping);
 128         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 129         Cvar_RegisterVariable (&sv_clmovement_waitforinput);
 130         Cvar_RegisterVariable (&sv_idealpitchscale);
 131         Cvar_RegisterVariable (&sv_aim);
 132         Cvar_RegisterVariable (&sv_nostep);
 133         Cvar_RegisterVariable (&sv_cullentities_pvs);
 134         Cvar_RegisterVariable (&sv_cullentities_trace);
 135         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 136         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 137         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 138         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 139         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 140         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 141         Cvar_RegisterVariable (&sv_cullentities_stats);
 142         Cvar_RegisterVariable (&sv_entpatch);
 143         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 144         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 145         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 146         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 147         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 148         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 149         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 150         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 151         Cvar_RegisterVariable (&sv_gameplayfix_qwplayerphysics);
 152         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 153         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 154         Cvar_RegisterVariable (&sv_protocolname);
 155         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 156         Cvar_RegisterVariable (&sv_maxrate);
 157         Cvar_RegisterVariable (&sv_allowdownloads);
 158         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 159         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 160         Cvar_RegisterVariable (&sv_allowdownloads_config);
 161         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 162         Cvar_RegisterVariable (&sv_progs);
 163
 164         SV_VM_Init();
 165         SV_Phys_Init();
 166
 167         sv_mempool = Mem_AllocPool("server", 0, NULL);
 168 }
 169
 170 static void SV_SaveEntFile_f(void)
 171 {
 172         char basename[MAX_QPATH];
 173         if (!sv.active || !sv.worldmodel)
 174         {
 175                 Con_Print("Not running a server\n");
 176                 return;
 177         }
 178         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 179         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 180 }
 181
 182
 183 /*
 184 =============================================================================
 185
 186 EVENT MESSAGES
 187
 188 =============================================================================
 189 */
 190
 191 /*
 192 ==================
 193 SV_StartParticle
 194
 195 Make sure the event gets sent to all clients
 196 ==================
 197 */
 198 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 199 {
 200         int i;
 201
 202         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 203                 return;
 204         MSG_WriteByte (&sv.datagram, svc_particle);
 205         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 206         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 207         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 208         for (i=0 ; i<3 ; i++)
 209                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 210         MSG_WriteByte (&sv.datagram, count);
 211         MSG_WriteByte (&sv.datagram, color);
 212 }
 213
 214 /*
 215 ==================
 216 SV_StartEffect
 217
 218 Make sure the event gets sent to all clients
 219 ==================
 220 */
 221 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 222 {
 223         if (modelindex >= 256 || startframe >= 256)
 224         {
 225                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 226                         return;
 227                 MSG_WriteByte (&sv.datagram, svc_effect2);
 228                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 229                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 230                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 231                 MSG_WriteShort (&sv.datagram, modelindex);
 232                 MSG_WriteShort (&sv.datagram, startframe);
 233                 MSG_WriteByte (&sv.datagram, framecount);
 234                 MSG_WriteByte (&sv.datagram, framerate);
 235         }
 236         else
 237         {
 238                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 239                         return;
 240                 MSG_WriteByte (&sv.datagram, svc_effect);
 241                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 242                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 243                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 244                 MSG_WriteByte (&sv.datagram, modelindex);
 245                 MSG_WriteByte (&sv.datagram, startframe);
 246                 MSG_WriteByte (&sv.datagram, framecount);
 247                 MSG_WriteByte (&sv.datagram, framerate);
 248         }
 249 }
 250
 251 /*
 252 ==================
 253 SV_StartSound
 254
 255 Each entity can have eight independant sound sources, like voice,
 256 weapon, feet, etc.
 257
 258 Channel 0 is an auto-allocate channel, the others override anything
 259 already running on that entity/channel pair.
 260
 261 An attenuation of 0 will play full volume everywhere in the level.
 262 Larger attenuations will drop off.  (max 4 attenuation)
 263
 264 ==================
 265 */
 266 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 267 {
 268         int sound_num, field_mask, i, ent;
 269
 270         if (volume < 0 || volume > 255)
 271         {
 272                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 273                 return;
 274         }
 275
 276         if (attenuation < 0 || attenuation > 4)
 277         {
 278                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 279                 return;
 280         }
 281
 282         if (channel < 0 || channel > 7)
 283         {
 284                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 285                 return;
 286         }
 287
 288         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 289                 return;
 290
 291 // find precache number for sound
 292         sound_num = SV_SoundIndex(sample, 1);
 293         if (!sound_num)
 294                 return;
 295
 296         ent = PRVM_NUM_FOR_EDICT(entity);
 297
 298         field_mask = 0;
 299         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 300                 field_mask |= SND_VOLUME;
 301         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 302                 field_mask |= SND_ATTENUATION;
 303         if (ent >= 8192)
 304                 field_mask |= SND_LARGEENTITY;
 305         if (sound_num >= 256 || channel >= 8)
 306                 field_mask |= SND_LARGESOUND;
 307
 308 // directed messages go only to the entity they are targeted on
 309         MSG_WriteByte (&sv.datagram, svc_sound);
 310         MSG_WriteByte (&sv.datagram, field_mask);
 311         if (field_mask & SND_VOLUME)
 312                 MSG_WriteByte (&sv.datagram, volume);
 313         if (field_mask & SND_ATTENUATION)
 314                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 315         if (field_mask & SND_LARGEENTITY)
 316         {
 317                 MSG_WriteShort (&sv.datagram, ent);
 318                 MSG_WriteByte (&sv.datagram, channel);
 319         }
 320         else
 321                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 322         if (field_mask & SND_LARGESOUND)
 323                 MSG_WriteShort (&sv.datagram, sound_num);
 324         else
 325                 MSG_WriteByte (&sv.datagram, sound_num);
 326         for (i = 0;i < 3;i++)
 327                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 328 }
 329
 330 /*
 331 ==============================================================================
 332
 333 CLIENT SPAWNING
 334
 335 ==============================================================================
 336 */
 337
 338 /*
 339 ================
 340 SV_SendServerinfo
 341
 342 Sends the first message from the server to a connected client.
 343 This will be sent on the initial connection and upon each server load.
 344 ================
 345 */
 346 void SV_SendServerinfo (client_t *client)
 347 {
 348         int i;
 349         char message[128];
 350
 351         // we know that this client has a netconnection and thus is not a bot
 352
 353         // edicts get reallocated on level changes, so we need to update it here
 354         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 355
 356         // clear cached stuff that depends on the level
 357         client->weaponmodel[0] = 0;
 358         client->weaponmodelindex = 0;
 359
 360         // LordHavoc: clear entityframe tracking
 361         client->latestframenum = 0;
 362
 363         if (client->entitydatabase)
 364                 EntityFrame_FreeDatabase(client->entitydatabase);
 365         if (client->entitydatabase4)
 366                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 367         if (client->entitydatabase5)
 368                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 369
 370         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
 371         {
 372                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 373                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 374                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 375                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 376                 else
 377                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 378         }
 379
 380         SZ_Clear (&client->netconnection->message);
 381         MSG_WriteByte (&client->netconnection->message, svc_print);
 382         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
 383         MSG_WriteString (&client->netconnection->message,message);
 384
 385         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 386         if (sv.csqc_progname[0])
 387         {
 388                 prvm_eval_t *val;
 389                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 390                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 391                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 392                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 393                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 394                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 395                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 396                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 397                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 398                 if (val)
 399                 {
 400                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 401                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 402                 }
 403         }
 404
 405         if (sv_allowdownloads.integer)
 406         {
 407                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 408                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 1");
 409         }
 410
 411         // send at this time so it's guaranteed to get executed at the right time
 412         {
 413                 client_t *save;
 414                 save = host_client;
 415                 host_client = client;
 416                 Curl_SendRequirements();
 417                 host_client = save;
 418         }
 419
 420         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 421         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 422         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 423
 424         if (!coop.integer && deathmatch.integer)
 425                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 426         else
 427                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 428
 429         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 430
 431         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 432                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 433         MSG_WriteByte (&client->netconnection->message, 0);
 434
 435         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 436                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 437         MSG_WriteByte (&client->netconnection->message, 0);
 438
 439 // send music
 440         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 441         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 442         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 443
 444 // set view
 445         MSG_WriteByte (&client->netconnection->message, svc_setview);
 446         MSG_WriteShort (&client->netconnection->message, PRVM_NUM_FOR_EDICT(client->edict));
 447
 448         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 449         MSG_WriteByte (&client->netconnection->message, 1);
 450
 451         client->spawned = false;                // need prespawn, spawn, etc
 452
 453         // clear movement info until client enters the new level properly
 454         memset(&client->cmd, 0, sizeof(client->cmd));
 455         client->movesequence = 0;
 456 #ifdef NUM_PING_TIMES
 457         for (i = 0;i < NUM_PING_TIMES;i++)
 458                 client->ping_times[i] = 0;
 459         client->num_pings = 0;
 460 #endif
 461         client->ping = 0;
 462 }
 463
 464 /*
 465 ================
 466 SV_ConnectClient
 467
 468 Initializes a client_t for a new net connection.  This will only be called
 469 once for a player each game, not once for each level change.
 470 ================
 471 */
 472 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 473 {
 474         client_t                *client;
 475         int                             i;
 476         float                   spawn_parms[NUM_SPAWN_PARMS];
 477
 478         client = svs.clients + clientnum;
 479
 480         if(netconnection)//[515]: bots don't play with csqc =)
 481                 EntityFrameCSQC_InitClientVersions(clientnum, false);
 482
 483 // set up the client_t
 484         if (sv.loadgame)
 485                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 486         memset (client, 0, sizeof(*client));
 487         client->active = true;
 488         client->netconnection = netconnection;
 489
 490         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 491
 492         strlcpy(client->name, "unconnected", sizeof(client->name));
 493         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 494         client->spawned = false;
 495         client->edict = PRVM_EDICT_NUM(clientnum+1);
 496         if (client->netconnection)
 497                 client->netconnection->message.allowoverflow = true;            // we can catch it
 498         // updated by receiving "rate" command from client
 499         client->rate = NET_MINRATE;
 500         // no limits for local player
 501         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 502                 client->rate = 1000000000;
 503         client->connecttime = realtime;
 504
 505         if (sv.loadgame)
 506                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 507         else
 508         {
 509                 // call the progs to get default spawn parms for the new client
 510                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
 511                 prog->globals.server->self = 0;
 512                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
 513                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 514                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
 515
 516                 // set up the entity for this client (including .colormap, .team, etc)
 517                 PRVM_ED_ClearEdict(client->edict);
 518         }
 519
 520         // don't call SendServerinfo for a fresh botclient because its fields have
 521         // not been set up by the qc yet
 522         if (client->netconnection)
 523                 SV_SendServerinfo (client);
 524         else
 525                 client->spawned = true;
 526 }
 527
 528
 529 /*
 530 ===============================================================================
 531
 532 FRAME UPDATES
 533
 534 ===============================================================================
 535 */
 536
 537 /*
 538 ==================
 539 SV_ClearDatagram
 540
 541 ==================
 542 */
 543 void SV_ClearDatagram (void)
 544 {
 545         SZ_Clear (&sv.datagram);
 546 }
 547
 548 /*
 549 =============================================================================
 550
 551 The PVS must include a small area around the client to allow head bobbing
 552 or other small motion on the client side.  Otherwise, a bob might cause an
 553 entity that should be visible to not show up, especially when the bob
 554 crosses a waterline.
 555
 556 =============================================================================
 557 */
 558
 559 int sv_writeentitiestoclient_pvsbytes;
 560 unsigned char sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
 561
 562 static int numsendentities;
 563 static entity_state_t sendentities[MAX_EDICTS];
 564 static entity_state_t *sendentitiesindex[MAX_EDICTS];
 565
 566 qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int e)
 567 {
 568         int i;
 569         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
 570         unsigned int customizeentityforclient;
 571         float f;
 572         vec3_t cullmins, cullmaxs;
 573         model_t *model;
 574         prvm_eval_t *val;
 575
 576         // EF_NODRAW prevents sending for any reason except for your own
 577         // client, so we must keep all clients in this superset
 578         effects = (unsigned)ent->fields.server->effects;
 579
 580         // we can omit invisible entities with no effects that are not clients
 581         // LordHavoc: this could kill tags attached to an invisible entity, I
 582         // just hope we never have to support that case
 583         i = (int)ent->fields.server->modelindex;
 584         modelindex = (i >= 1 && i < MAX_MODELS && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
 585
 586         flags = 0;
 587         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
 588         glowsize = (unsigned char)bound(0, i, 255);
 589         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
 590                 flags |= RENDER_GLOWTRAIL;
 591
 592         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
 593         light[0] = (unsigned short)bound(0, f, 65535);
 594         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
 595         light[1] = (unsigned short)bound(0, f, 65535);
 596         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
 597         light[2] = (unsigned short)bound(0, f, 65535);
 598         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
 599         light[3] = (unsigned short)bound(0, f, 65535);
 600         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
 601         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
 602
 603         if (gamemode == GAME_TENEBRAE)
 604         {
 605                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
 606                 if (effects & 16)
 607                 {
 608                         effects &= ~16;
 609                         lightpflags |= PFLAGS_FULLDYNAMIC;
 610                 }
 611                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
 612                 if (effects & 32)
 613                 {
 614                         effects &= ~32;
 615                         light[0] = (int)(0.2*256);
 616                         light[1] = (int)(1.0*256);
 617                         light[2] = (int)(0.2*256);
 618                         light[3] = 200;
 619                         lightpflags |= PFLAGS_FULLDYNAMIC;
 620                 }
 621         }
 622
 623         specialvisibilityradius = 0;
 624         if (lightpflags & PFLAGS_FULLDYNAMIC)
 625                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
 626         if (glowsize)
 627                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
 628         if (flags & RENDER_GLOWTRAIL)
 629                 specialvisibilityradius = max(specialvisibilityradius, 100);
 630         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 631         {
 632                 if (effects & EF_BRIGHTFIELD)
 633                         specialvisibilityradius = max(specialvisibilityradius, 80);
 634                 if (effects & EF_MUZZLEFLASH)
 635                         specialvisibilityradius = max(specialvisibilityradius, 100);
 636                 if (effects & EF_BRIGHTLIGHT)
 637                         specialvisibilityradius = max(specialvisibilityradius, 400);
 638                 if (effects & EF_DIMLIGHT)
 639                         specialvisibilityradius = max(specialvisibilityradius, 200);
 640                 if (effects & EF_RED)
 641                         specialvisibilityradius = max(specialvisibilityradius, 200);
 642                 if (effects & EF_BLUE)
 643                         specialvisibilityradius = max(specialvisibilityradius, 200);
 644                 if (effects & EF_FLAME)
 645                         specialvisibilityradius = max(specialvisibilityradius, 250);
 646                 if (effects & EF_STARDUST)
 647                         specialvisibilityradius = max(specialvisibilityradius, 100);
 648         }
 649
 650         // early culling checks
 651         // (final culling is done by SV_MarkWriteEntityStateToClient)
 652         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
 653         if (!customizeentityforclient)
 654         {
 655                 if (e > svs.maxclients && (!modelindex && !specialvisibilityradius))
 656                         return false;
 657                 // this 2 billion unit check is actually to detect NAN origins
 658                 // (we really don't want to send those)
 659                 if (VectorLength2(ent->fields.server->origin) > 2000000000.0*2000000000.0)
 660                         return false;
 661         }
 662
 663
 664         *cs = defaultstate;
 665         cs->active = true;
 666         cs->number = e;
 667         VectorCopy(ent->fields.server->origin, cs->origin);
 668         VectorCopy(ent->fields.server->angles, cs->angles);
 669         cs->flags = flags;
 670         cs->effects = effects;
 671         cs->colormap = (unsigned)ent->fields.server->colormap;
 672         cs->modelindex = modelindex;
 673         cs->skin = (unsigned)ent->fields.server->skin;
 674         cs->frame = (unsigned)ent->fields.server->frame;
 675         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
 676         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
 677         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
 678         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
 679         cs->customizeentityforclient = customizeentityforclient;
 680         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
 681         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
 682         cs->glowsize = glowsize;
 683
 684         // don't need to init cs->colormod because the defaultstate did that for us
 685         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
 686         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
 687         if (val->vector[0] || val->vector[1] || val->vector[2])
 688         {
 689                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
 690                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
 691                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
 692         }
 693
 694         cs->modelindex = modelindex;
 695
 696         cs->alpha = 255;
 697         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
 698         if (f)
 699         {
 700                 i = (int)f;
 701                 cs->alpha = (unsigned char)bound(0, i, 255);
 702         }
 703         // halflife
 704         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
 705         if (f)
 706         {
 707                 i = (int)f;
 708                 cs->alpha = (unsigned char)bound(0, i, 255);
 709         }
 710
 711         cs->scale = 16;
 712         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
 713         if (f)
 714         {
 715                 i = (int)f;
 716                 cs->scale = (unsigned char)bound(0, i, 255);
 717         }
 718
 719         cs->glowcolor = 254;
 720         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
 721         if (f)
 722                 cs->glowcolor = (int)f;
 723
 724         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
 725                 cs->effects |= EF_FULLBRIGHT;
 726
 727         if (ent->fields.server->movetype == MOVETYPE_STEP)
 728                 cs->flags |= RENDER_STEP;
 729         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)
 730                 cs->flags |= RENDER_LOWPRECISION;
 731         if (ent->fields.server->colormap >= 1024)
 732                 cs->flags |= RENDER_COLORMAPPED;
 733         if (cs->viewmodelforclient)
 734                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
 735
 736         cs->light[0] = light[0];
 737         cs->light[1] = light[1];
 738         cs->light[2] = light[2];
 739         cs->light[3] = light[3];
 740         cs->lightstyle = lightstyle;
 741         cs->lightpflags = lightpflags;
 742
 743         cs->specialvisibilityradius = specialvisibilityradius;
 744
 745         // calculate the visible box of this entity (don't use the physics box
 746         // as that is often smaller than a model, and would not count
 747         // specialvisibilityradius)
 748         if ((model = sv.models[modelindex]))
 749         {
 750                 float scale = cs->scale * (1.0f / 16.0f);
 751                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
 752                 {
 753                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
 754                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
 755                 }
 756                 else if (cs->angles[1])
 757                 {
 758                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
 759                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
 760                 }
 761                 else
 762                 {
 763                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
 764                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
 765                 }
 766         }
 767         else
 768         {
 769                 // if there is no model (or it could not be loaded), use the physics box
 770                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
 771                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
 772         }
 773         if (specialvisibilityradius)
 774         {
 775                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
 776                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
 777                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
 778                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
 779                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
 780                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
 781         }
 782         // calculate center of bbox for network prioritization purposes
 783         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
 784         // if culling box has moved, update pvs cluster links
 785         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
 786         {
 787                 VectorCopy(cullmins, ent->priv.server->cullmins);
 788                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
 789                 // a value of -1 for pvs_numclusters indicates that the links are not
 790                 // cached, and should be re-tested each time, this is the case if the
 791                 // culling box touches too many pvs clusters to store, or if the world
 792                 // model does not support FindBoxClusters
 793                 ent->priv.server->pvs_numclusters = -1;
 794                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
 795                 {
 796                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
 797                         if (i <= MAX_ENTITYCLUSTERS)
 798                                 ent->priv.server->pvs_numclusters = i;
 799                 }
 800         }
 801
 802         return true;
 803 }
 804
 805 void SV_PrepareEntitiesForSending(void)
 806 {
 807         int e;
 808         prvm_edict_t *ent;
 809         // send all entities that touch the pvs
 810         numsendentities = 0;
 811         sendentitiesindex[0] = NULL;
 812         memset(sendentitiesindex, 0, prog->num_edicts * sizeof(entity_state_t *));
 813         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
 814         {
 815                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sendentities + numsendentities, e))
 816                 {
 817                         sendentitiesindex[e] = sendentities + numsendentities;
 818                         numsendentities++;
 819                 }
 820         }
 821 }
 822
 823 static int sententitiesmark = 0;
 824 static int sententities[MAX_EDICTS];
 825 static int sententitiesconsideration[MAX_EDICTS];
 826 static int sv_writeentitiestoclient_culled_pvs;
 827 static int sv_writeentitiestoclient_culled_trace;
 828 static int sv_writeentitiestoclient_visibleentities;
 829 static int sv_writeentitiestoclient_totalentities;
 830 //static entity_frame_t sv_writeentitiestoclient_entityframe;
 831 static int sv_writeentitiestoclient_clentnum;
 832 static vec3_t sv_writeentitiestoclient_testeye;
 833 static client_t *sv_writeentitiestoclient_client;
 834
 835 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 836 {
 837         int isbmodel;
 838         model_t *model;
 839         prvm_edict_t *ed;
 840         if (sententitiesconsideration[s->number] == sententitiesmark)
 841                 return;
 842         sententitiesconsideration[s->number] = sententitiesmark;
 843         sv_writeentitiestoclient_totalentities++;
 844
 845         if (s->customizeentityforclient)
 846         {
 847                 prog->globals.server->self = s->number;
 848                 prog->globals.server->other = sv_writeentitiestoclient_clentnum;
 849                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
 850                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
 851                         return;
 852         }
 853
 854         // never reject player
 855         if (s->number != sv_writeentitiestoclient_clentnum)
 856         {
 857                 // check various rejection conditions
 858                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
 859                         return;
 860                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
 861                         return;
 862                 if (s->effects & EF_NODRAW)
 863                         return;
 864                 // LordHavoc: only send entities with a model or important effects
 865                 if (!s->modelindex && s->specialvisibilityradius == 0)
 866                         return;
 867
 868                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
 869                 // viewmodels don't have visibility checking
 870                 if (s->viewmodelforclient)
 871                 {
 872                         if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
 873                                 return;
 874                 }
 875                 else if (s->tagentity)
 876                 {
 877                         // tag attached entities simply check their parent
 878                         if (!sendentitiesindex[s->tagentity])
 879                                 return;
 880                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
 881                         if (sententities[s->tagentity] != sententitiesmark)
 882                                 return;
 883                 }
 884                 // always send world submodels in newer protocols because they don't
 885                 // generate much traffic (in old protocols they hog bandwidth)
 886                 // but only if sv_cullentities_alwayssendbmodels is on
 887                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
 888                 {
 889                         // entity has survived every check so far, check if visible
 890                         ed = PRVM_EDICT_NUM(s->number);
 891
 892                         // if not touching a visible leaf
 893                         if (sv_cullentities_pvs.integer && sv_writeentitiestoclient_pvsbytes)
 894                         {
 895                                 if (ed->priv.server->pvs_numclusters < 0)
 896                                 {
 897                                         // entity too big for clusters list
 898                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
 899                                         {
 900                                                 sv_writeentitiestoclient_culled_pvs++;
 901                                                 return;
 902                                         }
 903                                 }
 904                                 else
 905                                 {
 906                                         int i;
 907                                         // check cached clusters list
 908                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
 909                                                 if (CHECKPVSBIT(sv_writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
 910                                                         break;
 911                                         if (i == ed->priv.server->pvs_numclusters)
 912                                         {
 913                                                 sv_writeentitiestoclient_culled_pvs++;
 914                                                 return;
 915                                         }
 916                                 }
 917                         }
 918
 919                         // or not seen by random tracelines
 920                         if (sv_cullentities_trace.integer && !isbmodel)
 921                         {
 922                                 int samples = s->specialvisibilityradius ? sv_cullentities_trace_samples_extra.integer : sv_cullentities_trace_samples.integer;
 923                                 float enlarge = sv_cullentities_trace_enlarge.value;
 924
 925                                 qboolean visible = TRUE;
 926
 927                                 do
 928                                 {
 929                                         if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, sv_writeentitiestoclient_testeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
 930                                                 break; // directly visible from the server's view
 931
 932                                         if(sv_cullentities_trace_prediction.integer)
 933                                         {
 934                                                 vec3_t predeye;
 935
 936                                                 // get player velocity
 937                                                 float predtime = bound(0, host_client->ping, 0.2); // / 2
 938                                                         // sorry, no wallhacking by high ping please, and at 200ms
 939                                                         // ping a FPS is annoying to play anyway and a player is
 940                                                         // likely to have changed his direction
 941                                                 VectorMA(sv_writeentitiestoclient_testeye, predtime, host_client->edict->fields.server->velocity, predeye);
 942                                                 if(sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, sv_writeentitiestoclient_testeye, predeye)) // must be able to go there...
 943                                                 {
 944                                                         if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, predeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
 945                                                                 break; // directly visible from the predicted view
 946                                                 }
 947                                                 else
 948                                                 {
 949                                                         //Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
 950                                                 }
 951                                         }
 952
 953                                         // when we get here, we can't see the entity
 954                                         visible = FALSE;
 955                                 }
 956                                 while(0);
 957
 958                                 if(visible)
 959                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + sv_cullentities_trace_delay.value;
 960
 961                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
 962                                 {
 963                                         sv_writeentitiestoclient_culled_trace++;
 964                                         return;
 965                                 }
 966                         }
 967                 }
 968         }
 969
 970         // this just marks it for sending
 971         // FIXME: it would be more efficient to send here, but the entity
 972         // compressor isn't that flexible
 973         sv_writeentitiestoclient_visibleentities++;
 974         sententities[s->number] = sententitiesmark;
 975 }
 976
 977 entity_state_t sendstates[MAX_EDICTS];
 978 extern int csqc_clientnum;
 979
 980 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int *stats)
 981 {
 982         int i, numsendstates;
 983         entity_state_t *s;
 984
 985         // if there isn't enough space to accomplish anything, skip it
 986         if (msg->cursize + 25 > msg->maxsize)
 987                 return;
 988
 989         sv_writeentitiestoclient_client = client;
 990
 991         sv_writeentitiestoclient_culled_pvs = 0;
 992         sv_writeentitiestoclient_culled_trace = 0;
 993         sv_writeentitiestoclient_visibleentities = 0;
 994         sv_writeentitiestoclient_totalentities = 0;
 995
 996 // find the client's PVS
 997         // the real place being tested from
 998         VectorAdd(clent->fields.server->origin, clent->fields.server->view_ofs, sv_writeentitiestoclient_testeye);
 999         sv_writeentitiestoclient_pvsbytes = 0;
1000         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1001                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
1002
1003         sv_writeentitiestoclient_clentnum = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1004         csqc_clientnum = sv_writeentitiestoclient_clentnum - 1;
1005
1006         sententitiesmark++;
1007
1008         for (i = 0;i < numsendentities;i++)
1009                 SV_MarkWriteEntityStateToClient(sendentities + i);
1010
1011         numsendstates = 0;
1012         for (i = 0;i < numsendentities;i++)
1013         {
1014                 if (sententities[sendentities[i].number] == sententitiesmark)
1015                 {
1016                         s = &sendstates[numsendstates++];
1017                         *s = sendentities[i];
1018                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
1019                                 s->flags |= RENDER_EXTERIORMODEL;
1020                 }
1021         }
1022
1023         if (sv_cullentities_stats.integer)
1024                 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);
1025
1026         EntityFrameCSQC_WriteFrame(msg, numsendstates, sendstates);
1027
1028         if (client->entitydatabase5)
1029                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats, client->movesequence);
1030         else if (client->entitydatabase4)
1031                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
1032         else if (client->entitydatabase)
1033                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
1034         else
1035                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
1036 }
1037
1038 /*
1039 =============
1040 SV_CleanupEnts
1041
1042 =============
1043 */
1044 void SV_CleanupEnts (void)
1045 {
1046         int             e;
1047         prvm_edict_t    *ent;
1048
1049         ent = PRVM_NEXT_EDICT(prog->edicts);
1050         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1051                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1052 }
1053
1054 /*
1055 ==================
1056 SV_WriteClientdataToMessage
1057
1058 ==================
1059 */
1060 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1061 {
1062         int             bits;
1063         int             i;
1064         prvm_edict_t    *other;
1065         int             items;
1066         prvm_eval_t     *val;
1067         vec3_t  punchvector;
1068         int             viewzoom;
1069         const char *s;
1070
1071 //
1072 // send a damage message
1073 //
1074         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1075         {
1076                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1077                 MSG_WriteByte (msg, svc_damage);
1078                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1079                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1080                 for (i=0 ; i<3 ; i++)
1081                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1082
1083                 ent->fields.server->dmg_take = 0;
1084                 ent->fields.server->dmg_save = 0;
1085         }
1086
1087 //
1088 // send the current viewpos offset from the view entity
1089 //
1090         SV_SetIdealPitch ();            // how much to look up / down ideally
1091
1092 // a fixangle might get lost in a dropped packet.  Oh well.
1093         if ( ent->fields.server->fixangle )
1094         {
1095                 MSG_WriteByte (msg, svc_setangle);
1096                 for (i=0 ; i < 3 ; i++)
1097                         MSG_WriteAngle (msg, ent->fields.server->angles[i], sv.protocol);
1098                 // LordHavoc: moved fixangle = 0 to the physics code so it is
1099                 // repeatedly sent to predicted clients even though they don't always
1100                 // move each frame
1101                 //ent->fields.server->fixangle = 0;
1102         }
1103
1104         // stuff the sigil bits into the high bits of items for sbar, or else
1105         // mix in items2
1106         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1107         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1108                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1109         else
1110                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1111
1112         VectorClear(punchvector);
1113         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1114                 VectorCopy(val->vector, punchvector);
1115
1116         // cache weapon model name and index in client struct to save time
1117         // (this search can be almost 1% of cpu time!)
1118         s = PRVM_GetString(ent->fields.server->weaponmodel);
1119         if (strcmp(s, client->weaponmodel))
1120         {
1121                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1122                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1123         }
1124
1125         viewzoom = 255;
1126         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1127                 viewzoom = (int)(val->_float * 255.0f);
1128         if (viewzoom == 0)
1129                 viewzoom = 255;
1130
1131         bits = 0;
1132
1133         if ((int)ent->fields.server->flags & FL_ONGROUND)
1134                 bits |= SU_ONGROUND;
1135         if (ent->fields.server->waterlevel >= 2)
1136                 bits |= SU_INWATER;
1137         if (ent->fields.server->idealpitch)
1138                 bits |= SU_IDEALPITCH;
1139
1140         for (i=0 ; i<3 ; i++)
1141         {
1142                 if (ent->fields.server->punchangle[i])
1143                         bits |= (SU_PUNCH1<<i);
1144                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
1145                         if (punchvector[i])
1146                                 bits |= (SU_PUNCHVEC1<<i);
1147                 if (ent->fields.server->velocity[i])
1148                         bits |= (SU_VELOCITY1<<i);
1149         }
1150
1151         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1152         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1153         stats[STAT_ITEMS] = items;
1154         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1155         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1156         stats[STAT_WEAPON] = client->weaponmodelindex;
1157         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1158         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1159         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1160         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1161         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1162         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1163         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1164         stats[STAT_VIEWZOOM] = viewzoom;
1165         stats[STAT_TOTALSECRETS] = prog->globals.server->total_secrets;
1166         stats[STAT_TOTALMONSTERS] = prog->globals.server->total_monsters;
1167         // the QC bumps these itself by sending svc_'s, so we have to keep them
1168         // zero or they'll be corrected by the engine
1169         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1170         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1171
1172         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1173         {
1174                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1175                 bits |= SU_ITEMS;
1176                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1177                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1178                 bits |= SU_WEAPON;
1179                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1180                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1181                         if (viewzoom != 255)
1182                                 bits |= SU_VIEWZOOM;
1183         }
1184
1185         if (bits >= 65536)
1186                 bits |= SU_EXTEND1;
1187         if (bits >= 16777216)
1188                 bits |= SU_EXTEND2;
1189
1190         // send the data
1191         MSG_WriteByte (msg, svc_clientdata);
1192         MSG_WriteShort (msg, bits);
1193         if (bits & SU_EXTEND1)
1194                 MSG_WriteByte(msg, bits >> 16);
1195         if (bits & SU_EXTEND2)
1196                 MSG_WriteByte(msg, bits >> 24);
1197
1198         if (bits & SU_VIEWHEIGHT)
1199                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1200
1201         if (bits & SU_IDEALPITCH)
1202                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1203
1204         for (i=0 ; i<3 ; i++)
1205         {
1206                 if (bits & (SU_PUNCH1<<i))
1207                 {
1208                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
1209                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1210                         else
1211                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1212                 }
1213                 if (bits & (SU_PUNCHVEC1<<i))
1214                 {
1215                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1216                                 MSG_WriteCoord16i(msg, punchvector[i]);
1217                         else
1218                                 MSG_WriteCoord32f(msg, punchvector[i]);
1219                 }
1220                 if (bits & (SU_VELOCITY1<<i))
1221                 {
1222                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1223                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1224                         else
1225                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1226                 }
1227         }
1228
1229         if (bits & SU_ITEMS)
1230                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1231
1232         if (sv.protocol == PROTOCOL_DARKPLACES5)
1233         {
1234                 if (bits & SU_WEAPONFRAME)
1235                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1236                 if (bits & SU_ARMOR)
1237                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1238                 if (bits & SU_WEAPON)
1239                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1240                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1241                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1242                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1243                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1244                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1245                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1246                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1247                 if (bits & SU_VIEWZOOM)
1248                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1249         }
1250         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1251         {
1252                 if (bits & SU_WEAPONFRAME)
1253                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1254                 if (bits & SU_ARMOR)
1255                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1256                 if (bits & SU_WEAPON)
1257                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1258                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1259                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1260                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1261                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1262                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1263                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1264                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1265                 {
1266                         for (i = 0;i < 32;i++)
1267                                 if (stats[STAT_WEAPON] & (1<<i))
1268                                         break;
1269                         MSG_WriteByte (msg, i);
1270                 }
1271                 else
1272                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1273                 if (bits & SU_VIEWZOOM)
1274                 {
1275                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1276                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1277                         else
1278                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1279                 }
1280         }
1281 }
1282
1283 /*
1284 =======================
1285 SV_SendClientDatagram
1286 =======================
1287 */
1288 static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1289 void SV_SendClientDatagram (client_t *client)
1290 {
1291         int rate, maxrate, maxsize, maxsize2, downloadsize;
1292         sizebuf_t msg;
1293         int stats[MAX_CL_STATS];
1294
1295         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1296         {
1297                 // for good singleplayer, send huge packets
1298                 maxsize = sizeof(sv_sendclientdatagram_buf);
1299                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1300         }
1301         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1302         {
1303                 // no rate limiting support on older protocols because dp protocols
1304                 // 1-4 kick the client off if they overflow, and quake protocol shows
1305                 // less than the full entity set if rate limited
1306                 maxsize = 1400;
1307                 maxsize2 = 1400;
1308         }
1309         else
1310         {
1311                 // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1312                 maxrate = max(NET_MINRATE, sv_maxrate.integer);
1313                 if (sv_maxrate.integer != maxrate)
1314                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1315
1316                 // this rate limiting does not understand sys_ticrate 0
1317                 // (but no one should be running that on a server!)
1318                 rate = bound(NET_MINRATE, client->rate, maxrate);
1319                 rate = (int)(rate * sys_ticrate.value);
1320                 maxsize = bound(50, rate, 1400);
1321                 maxsize2 = 1400;
1322         }
1323
1324         // while downloading, limit entity updates to half the packet
1325         // (any leftover space will be used for downloading)
1326         if (host_client->download_file)
1327                 maxsize /= 2;
1328
1329         msg.data = sv_sendclientdatagram_buf;
1330         msg.maxsize = maxsize;
1331         msg.cursize = 0;
1332
1333         if (host_client->spawned)
1334         {
1335                 MSG_WriteByte (&msg, svc_time);
1336                 MSG_WriteFloat (&msg, sv.time);
1337
1338                 // add the client specific data to the datagram
1339                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1340                 VM_SV_WriteAutoSentStats (client, client->edict, &msg, stats);
1341                 SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1342
1343                 // expand packet size to allow effects to go over the rate limit
1344                 // (dropping them is FAR too ugly)
1345                 msg.maxsize = maxsize2;
1346
1347                 // copy the server datagram if there is space
1348                 // FIXME: put in delayed queue of effects to send
1349                 if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1350                         SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1351         }
1352         else if (realtime > client->keepalivetime)
1353         {
1354                 // the player isn't totally in the game yet
1355                 // send small keepalive messages if too much time has passed
1356                 msg.maxsize = maxsize2;
1357                 client->keepalivetime = realtime + 5;
1358                 MSG_WriteChar (&msg, svc_nop);
1359         }
1360
1361         msg.maxsize = maxsize2;
1362
1363         // if a download is active, see if there is room to fit some download data
1364         // in this packet
1365         downloadsize = maxsize * 2 - msg.cursize - 7;
1366         if (host_client->download_file && host_client->download_started && downloadsize > 0)
1367         {
1368                 fs_offset_t downloadstart;
1369                 unsigned char data[1400];
1370                 downloadstart = FS_Tell(host_client->download_file);
1371                 downloadsize = min(downloadsize, (int)sizeof(data));
1372                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
1373                 // note this sends empty messages if at the end of the file, which is
1374                 // necessary to keep the packet loss logic working
1375                 // (the last blocks may be lost and need to be re-sent, and that will
1376                 //  only occur if the client acks the empty end messages, revealing
1377                 //  a gap in the download progress, causing the last blocks to be
1378                 //  sent again)
1379                 MSG_WriteChar (&msg, svc_downloaddata);
1380                 MSG_WriteLong (&msg, downloadstart);
1381                 MSG_WriteShort (&msg, downloadsize);
1382                 if (downloadsize > 0)
1383                         SZ_Write (&msg, data, downloadsize);
1384         }
1385
1386 // send the datagram
1387         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol);
1388 }
1389
1390 /*
1391 =======================
1392 SV_UpdateToReliableMessages
1393 =======================
1394 */
1395 void SV_UpdateToReliableMessages (void)
1396 {
1397         int i, j;
1398         client_t *client;
1399         prvm_eval_t *val;
1400         const char *name;
1401         const char *model;
1402         const char *skin;
1403
1404 // check for changes to be sent over the reliable streams
1405         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1406         {
1407                 // update the host_client fields we care about according to the entity fields
1408                 host_client->edict = PRVM_EDICT_NUM(i+1);
1409
1410                 // DP_SV_CLIENTNAME
1411                 name = PRVM_GetString(host_client->edict->fields.server->netname);
1412                 if (name == NULL)
1413                         name = "";
1414                 // always point the string back at host_client->name to keep it safe
1415                 strlcpy (host_client->name, name, sizeof (host_client->name));
1416                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
1417                 if (strcmp(host_client->old_name, host_client->name))
1418                 {
1419                         if (host_client->spawned)
1420                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1421                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
1422                         // send notification to all clients
1423                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1424                         MSG_WriteByte (&sv.reliable_datagram, i);
1425                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1426                 }
1427
1428                 // DP_SV_CLIENTCOLORS
1429                 // this is always found (since it's added by the progs loader)
1430                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
1431                         host_client->colors = (int)val->_float;
1432                 if (host_client->old_colors != host_client->colors)
1433                 {
1434                         host_client->old_colors = host_client->colors;
1435                         // send notification to all clients
1436                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1437                         MSG_WriteByte (&sv.reliable_datagram, i);
1438                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1439                 }
1440
1441                 // NEXUIZ_PLAYERMODEL
1442                 if( prog->fieldoffsets.playermodel >= 0 ) {
1443                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
1444                         if (model == NULL)
1445                                 model = "";
1446                         // always point the string back at host_client->name to keep it safe
1447                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
1448                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
1449                 }
1450
1451                 // NEXUIZ_PLAYERSKIN
1452                 if( prog->fieldoffsets.playerskin >= 0 ) {
1453                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
1454                         if (skin == NULL)
1455                                 skin = "";
1456                         // always point the string back at host_client->name to keep it safe
1457                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
1458                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
1459                 }
1460
1461                 // frags
1462                 host_client->frags = (int)host_client->edict->fields.server->frags;
1463                 if (host_client->old_frags != host_client->frags)
1464                 {
1465                         host_client->old_frags = host_client->frags;
1466                         // send notification to all clients
1467                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1468                         MSG_WriteByte (&sv.reliable_datagram, i);
1469                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1470                 }
1471         }
1472
1473         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1474                 if (client->netconnection)
1475                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1476
1477         SZ_Clear (&sv.reliable_datagram);
1478 }
1479
1480
1481 /*
1482 =======================
1483 SV_SendClientMessages
1484 =======================
1485 */
1486 void SV_SendClientMessages (void)
1487 {
1488         int i, prepared = false;
1489
1490         if (sv.protocol == PROTOCOL_QUAKEWORLD)
1491                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
1492
1493 // update frags, names, etc
1494         SV_UpdateToReliableMessages();
1495
1496 // build individual updates
1497         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1498         {
1499                 if (!host_client->active)
1500                         continue;
1501                 if (!host_client->netconnection)
1502                         continue;
1503
1504                 if (host_client->netconnection->message.overflowed)
1505                 {
1506                         SV_DropClient (true);   // if the message couldn't send, kick off
1507                         continue;
1508                 }
1509
1510                 if (!prepared)
1511                 {
1512                         prepared = true;
1513                         // only prepare entities once per frame
1514                         SV_PrepareEntitiesForSending();
1515                 }
1516                 SV_SendClientDatagram (host_client);
1517         }
1518
1519 // clear muzzle flashes
1520         SV_CleanupEnts();
1521 }
1522
1523 void SV_StartDownload_f(void)
1524 {
1525         if (host_client->download_file)
1526                 host_client->download_started = true;
1527 }
1528
1529 void SV_Download_f(void)
1530 {
1531         const char *whichpack, *whichpack2, *extension;
1532
1533         if (Cmd_Argc() != 2)
1534         {
1535                 SV_ClientPrintf("usage: download <filename>\n");
1536                 return;
1537         }
1538
1539         if (FS_CheckNastyPath(Cmd_Argv(1), false))
1540         {
1541                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
1542                 return;
1543         }
1544
1545         if (host_client->download_file)
1546         {
1547                 // at this point we'll assume the previous download should be aborted
1548                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
1549                 Host_ClientCommands("\nstopdownload\n");
1550
1551                 // close the file and reset variables
1552                 FS_Close(host_client->download_file);
1553                 host_client->download_file = NULL;
1554                 host_client->download_name[0] = 0;
1555                 host_client->download_expectedposition = 0;
1556                 host_client->download_started = false;
1557         }
1558
1559         if (!sv_allowdownloads.integer)
1560         {
1561                 SV_ClientPrintf("Downloads are disabled on this server\n");
1562                 Host_ClientCommands("\nstopdownload\n");
1563                 return;
1564         }
1565
1566         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
1567         extension = FS_FileExtension(host_client->download_name);
1568
1569         // host_client is asking to download a specified file
1570         if (developer.integer >= 100)
1571                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
1572
1573         if (!FS_FileExists(host_client->download_name))
1574         {
1575                 SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
1576                 Host_ClientCommands("\nstopdownload\n");
1577                 return;
1578         }
1579
1580         // check if the user is trying to download part of registered Quake(r)
1581         whichpack = FS_WhichPack(host_client->download_name);
1582         whichpack2 = FS_WhichPack("gfx/pop.lmp");
1583         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
1584         {
1585                 SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
1586                 Host_ClientCommands("\nstopdownload\n");
1587                 return;
1588         }
1589
1590         // check if the server has forbidden archive downloads entirely
1591         if (!sv_allowdownloads_inarchive.integer)
1592         {
1593                 whichpack = FS_WhichPack(host_client->download_name);
1594                 if (whichpack)
1595                 {
1596                         SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
1597                         Host_ClientCommands("\nstopdownload\n");
1598                         return;
1599                 }
1600         }
1601
1602         if (!sv_allowdownloads_config.integer)
1603         {
1604                 if (!strcasecmp(extension, "cfg"))
1605                 {
1606                         SV_ClientPrintf("Download rejected: file \"%s\" is a .cfg file which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
1607                         Host_ClientCommands("\nstopdownload\n");
1608                         return;
1609                 }
1610         }
1611
1612         if (!sv_allowdownloads_dlcache.integer)
1613         {
1614                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
1615                 {
1616                         SV_ClientPrintf("Download rejected: file \"%s\" is in the dlcache/ directory which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
1617                         Host_ClientCommands("\nstopdownload\n");
1618                         return;
1619                 }
1620         }
1621
1622         if (!sv_allowdownloads_archive.integer)
1623         {
1624                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
1625                 {
1626                         SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
1627                         Host_ClientCommands("\nstopdownload\n");
1628                         return;
1629                 }
1630         }
1631
1632         host_client->download_file = FS_Open(host_client->download_name, "rb", true, false);
1633         if (!host_client->download_file)
1634         {
1635                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
1636                 Host_ClientCommands("\nstopdownload\n");
1637                 return;
1638         }
1639
1640         if (FS_FileSize(host_client->download_file) > 1<<30)
1641         {
1642                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
1643                 Host_ClientCommands("\nstopdownload\n");
1644                 FS_Close(host_client->download_file);
1645                 host_client->download_file = NULL;
1646                 return;
1647         }
1648
1649         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
1650
1651         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
1652
1653         host_client->download_expectedposition = 0;
1654         host_client->download_started = false;
1655
1656         // the rest of the download process is handled in SV_SendClientDatagram
1657         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
1658         //
1659         // no svc_downloaddata messages will be sent until sv_startdownload is
1660         // sent by the client
1661 }
1662
1663 /*
1664 ==============================================================================
1665
1666 SERVER SPAWNING
1667
1668 ==============================================================================
1669 */
1670
1671 /*
1672 ================
1673 SV_ModelIndex
1674
1675 ================
1676 */
1677 int SV_ModelIndex(const char *s, int precachemode)
1678 {
1679         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_MODELS);
1680         char filename[MAX_QPATH];
1681         if (!s || !*s)
1682                 return 0;
1683         // testing
1684         //if (precachemode == 2)
1685         //      return 0;
1686         strlcpy(filename, s, sizeof(filename));
1687         for (i = 2;i < limit;i++)
1688         {
1689                 if (!sv.model_precache[i][0])
1690                 {
1691                         if (precachemode)
1692                         {
1693                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
1694                                 {
1695                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1696                                         return 0;
1697                                 }
1698                                 if (precachemode == 1)
1699                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1700                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1701                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1702                                 if (sv.state != ss_loading)
1703                                 {
1704                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1705                                         MSG_WriteShort(&sv.reliable_datagram, i);
1706                                         MSG_WriteString(&sv.reliable_datagram, filename);
1707                                 }
1708                                 return i;
1709                         }
1710                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1711                         return 0;
1712                 }
1713                 if (!strcmp(sv.model_precache[i], filename))
1714                         return i;
1715         }
1716         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1717         return 0;
1718 }
1719
1720 /*
1721 ================
1722 SV_SoundIndex
1723
1724 ================
1725 */
1726 int SV_SoundIndex(const char *s, int precachemode)
1727 {
1728         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_SOUNDS);
1729         char filename[MAX_QPATH];
1730         if (!s || !*s)
1731                 return 0;
1732         // testing
1733         //if (precachemode == 2)
1734         //      return 0;
1735         strlcpy(filename, s, sizeof(filename));
1736         for (i = 1;i < limit;i++)
1737         {
1738                 if (!sv.sound_precache[i][0])
1739                 {
1740                         if (precachemode)
1741                         {
1742                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
1743                                 {
1744                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1745                                         return 0;
1746                                 }
1747                                 if (precachemode == 1)
1748                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1749                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1750                                 if (sv.state != ss_loading)
1751                                 {
1752                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1753                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1754                                         MSG_WriteString(&sv.reliable_datagram, filename);
1755                                 }
1756                                 return i;
1757                         }
1758                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1759                         return 0;
1760                 }
1761                 if (!strcmp(sv.sound_precache[i], filename))
1762                         return i;
1763         }
1764         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1765         return 0;
1766 }
1767
1768 // MUST match effectnameindex_t in client.h
1769 static const char *standardeffectnames[EFFECT_TOTAL] =
1770 {
1771         "",
1772         "TE_GUNSHOT",
1773         "TE_GUNSHOTQUAD",
1774         "TE_SPIKE",
1775         "TE_SPIKEQUAD",
1776         "TE_SUPERSPIKE",
1777         "TE_SUPERSPIKEQUAD",
1778         "TE_WIZSPIKE",
1779         "TE_KNIGHTSPIKE",
1780         "TE_EXPLOSION",
1781         "TE_EXPLOSIONQUAD",
1782         "TE_TAREXPLOSION",
1783         "TE_TELEPORT",
1784         "TE_LAVASPLASH",
1785         "TE_SMALLFLASH",
1786         "TE_FLAMEJET",
1787         "EF_FLAME",
1788         "TE_BLOOD",
1789         "TE_SPARK",
1790         "TE_PLASMABURN",
1791         "TE_TEI_G3",
1792         "TE_TEI_SMOKE",
1793         "TE_TEI_BIGEXPLOSION",
1794         "TE_TEI_PLASMAHIT",
1795         "EF_STARDUST",
1796         "TR_ROCKET",
1797         "TR_GRENADE",
1798         "TR_BLOOD",
1799         "TR_WIZSPIKE",
1800         "TR_SLIGHTBLOOD",
1801         "TR_KNIGHTSPIKE",
1802         "TR_VORESPIKE",
1803         "TR_NEHAHRASMOKE",
1804         "TR_NEXUIZPLASMA",
1805         "TR_GLOWTRAIL",
1806         "SVC_PARTICLE"
1807 };
1808
1809 /*
1810 ================
1811 SV_ParticleEffectIndex
1812
1813 ================
1814 */
1815 int SV_ParticleEffectIndex(const char *name)
1816 {
1817         int i, argc, linenumber, effectnameindex;
1818         fs_offset_t filesize;
1819         unsigned char *filedata;
1820         const char *text, *textstart, *textend;
1821         char argv[16][1024];
1822         if (!sv.particleeffectnamesloaded)
1823         {
1824                 sv.particleeffectnamesloaded = true;
1825                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
1826                 for (i = 0;i < EFFECT_TOTAL;i++)
1827                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
1828                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
1829                 if (filedata)
1830                 {
1831                         textstart = (const char *)filedata;
1832                         textend = (const char *)filedata + filesize;
1833                         text = textstart;
1834                         for (linenumber = 1;;linenumber++)
1835                         {
1836                                 argc = 0;
1837                                 for (;;)
1838                                 {
1839                                         if (!COM_ParseToken(&text, true) || !strcmp(com_token, "\n"))
1840                                                 break;
1841                                         if (argc < 16)
1842                                         {
1843                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
1844                                                 argc++;
1845                                         }
1846                                 }
1847                                 if (com_token[0] == 0)
1848                                         break; // if the loop exited and it's not a \n, it's EOF
1849                                 if (argc < 1)
1850                                         continue;
1851                                 if (!strcmp(argv[0], "effect"))
1852                                 {
1853                                         if (argc == 2)
1854                                         {
1855                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
1856                                                 {
1857                                                         if (sv.particleeffectname[effectnameindex][0])
1858                                                         {
1859                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
1860                                                                         break;
1861                                                         }
1862                                                         else
1863                                                         {
1864                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
1865                                                                 break;
1866                                                         }
1867                                                 }
1868                                                 // if we run out of names, abort
1869                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
1870                                                 {
1871                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
1872                                                         break;
1873                                                 }
1874                                         }
1875                                 }
1876                         }
1877                         Mem_Free(filedata);
1878                 }
1879         }
1880         // search for the name
1881         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
1882                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
1883                         return effectnameindex;
1884         // return 0 if we couldn't find it
1885         return 0;
1886 }
1887
1888 /*
1889 ================
1890 SV_CreateBaseline
1891
1892 ================
1893 */
1894 void SV_CreateBaseline (void)
1895 {
1896         int i, entnum, large;
1897         prvm_edict_t *svent;
1898
1899         // LordHavoc: clear *all* states (note just active ones)
1900         for (entnum = 0;entnum < prog->max_edicts;entnum++)
1901         {
1902                 // get the current server version
1903                 svent = PRVM_EDICT_NUM(entnum);
1904
1905                 // LordHavoc: always clear state values, whether the entity is in use or not
1906                 svent->priv.server->baseline = defaultstate;
1907
1908                 if (svent->priv.server->free)
1909                         continue;
1910                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
1911                         continue;
1912
1913                 // create entity baseline
1914                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
1915                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
1916                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
1917                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
1918                 if (entnum > 0 && entnum <= svs.maxclients)
1919                 {
1920                         svent->priv.server->baseline.colormap = entnum;
1921                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1922                 }
1923                 else
1924                 {
1925                         svent->priv.server->baseline.colormap = 0;
1926                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
1927                 }
1928
1929                 large = false;
1930                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
1931                         large = true;
1932
1933                 // add to the message
1934                 if (large)
1935                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1936                 else
1937                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1938                 MSG_WriteShort (&sv.signon, entnum);
1939
1940                 if (large)
1941                 {
1942                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
1943                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
1944                 }
1945                 else
1946                 {
1947                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
1948                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
1949                 }
1950                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
1951                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
1952                 for (i=0 ; i<3 ; i++)
1953                 {
1954                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
1955                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
1956                 }
1957         }
1958 }
1959
1960
1961 /*
1962 ================
1963 SV_SaveSpawnparms
1964
1965 Grabs the current state of each client for saving across the
1966 transition to another level
1967 ================
1968 */
1969 void SV_SaveSpawnparms (void)
1970 {
1971         int             i, j;
1972
1973         svs.serverflags = (int)prog->globals.server->serverflags;
1974
1975         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1976         {
1977                 if (!host_client->active)
1978                         continue;
1979
1980         // call the progs to get default spawn parms for the new client
1981                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1982                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
1983                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1984                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
1985         }
1986 }
1987 /*
1988 void SV_IncreaseEdicts(void)
1989 {
1990         int i;
1991         prvm_edict_t *ent;
1992         int oldmax_edicts = prog->max_edicts;
1993         void *oldedictsengineprivate = prog->edictprivate;
1994         void *oldedictsfields = prog->edictsfields;
1995         void *oldmoved_edicts = sv.moved_edicts;
1996
1997         if (prog->max_edicts >= MAX_EDICTS)
1998                 return;
1999
2000         // links don't survive the transition, so unlink everything
2001         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2002         {
2003                 if (!ent->priv.server->free)
2004                         SV_UnlinkEdict(prog->edicts + i);
2005                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
2006         }
2007         World_Clear(&sv.world);
2008
2009         prog->max_edicts   = min(prog->max_edicts + 256, MAX_EDICTS);
2010         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
2011         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);
2012         sv.moved_edicts = PR_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2013
2014         memcpy(prog->edictprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
2015         memcpy(prog->edictsfields, oldedictsfields, oldmax_edicts * prog->edict_size);
2016
2017         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2018         {
2019                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
2020                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
2021                 // link every entity except world
2022                 if (!ent->priv.server->free)
2023                         SV_LinkEdict(ent, false);
2024         }
2025
2026         PR_Free(oldedictsengineprivate);
2027         PR_Free(oldedictsfields);
2028         PR_Free(oldmoved_edicts);
2029 }*/
2030
2031 /*
2032 ================
2033 SV_SpawnServer
2034
2035 This is called at the start of each level
2036 ================
2037 */
2038 extern float            scr_centertime_off;
2039
2040 void SV_SpawnServer (const char *server)
2041 {
2042         prvm_edict_t *ent;
2043         int i;
2044         char *entities;
2045         model_t *worldmodel;
2046         char modelname[sizeof(sv.modelname)];
2047
2048         Con_DPrintf("SpawnServer: %s\n", server);
2049
2050         if (cls.state != ca_dedicated)
2051                 SCR_BeginLoadingPlaque();
2052
2053         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2054         worldmodel = Mod_ForName(modelname, false, true, true);
2055         if (!worldmodel || !worldmodel->TraceBox)
2056         {
2057                 Con_Printf("Couldn't load map %s\n", modelname);
2058                 return;
2059         }
2060
2061         // let's not have any servers with no name
2062         if (hostname.string[0] == 0)
2063                 Cvar_Set ("hostname", "UNNAMED");
2064         scr_centertime_off = 0;
2065
2066         svs.changelevel_issued = false;         // now safe to issue another
2067
2068         // make the map a required file for clients
2069         Curl_ClearRequirements();
2070         Curl_RequireFile(modelname);
2071
2072 //
2073 // tell all connected clients that we are going to a new level
2074 //
2075         if (sv.active)
2076         {
2077                 client_t *client;
2078                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2079                 {
2080                         if (client->netconnection)
2081                         {
2082                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
2083                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
2084                         }
2085                 }
2086         }
2087         else
2088         {
2089                 // open server port
2090                 NetConn_OpenServerPorts(true);
2091         }
2092
2093 //
2094 // make cvars consistant
2095 //
2096         if (coop.integer)
2097                 Cvar_SetValue ("deathmatch", 0);
2098         // LordHavoc: it can be useful to have skills outside the range 0-3...
2099         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
2100         //Cvar_SetValue ("skill", (float)current_skill);
2101         current_skill = (int)(skill.value + 0.5);
2102
2103 //
2104 // set up the new server
2105 //
2106         memset (&sv, 0, sizeof(sv));
2107         // if running a local client, make sure it doesn't try to access the last
2108         // level's data which is no longer valiud
2109         cls.signon = 0;
2110
2111         if(*sv_random_seed.string)
2112         {
2113                 srand(sv_random_seed.integer);
2114                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
2115         }
2116
2117         SV_VM_Setup();
2118
2119         sv.active = true;
2120
2121         strlcpy (sv.name, server, sizeof (sv.name));
2122
2123         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
2124         if (sv.protocol == PROTOCOL_UNKNOWN)
2125         {
2126                 char buffer[1024];
2127                 Protocol_Names(buffer, sizeof(buffer));
2128                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
2129                 sv.protocol = PROTOCOL_QUAKE;
2130         }
2131
2132         SV_VM_Begin();
2133
2134 // load progs to get entity field count
2135         //PR_LoadProgs ( sv_progs.string );
2136
2137         // allocate server memory
2138         /*// start out with just enough room for clients and a reasonable estimate of entities
2139         prog->max_edicts = max(svs.maxclients + 1, 512);
2140         prog->max_edicts = min(prog->max_edicts, MAX_EDICTS);
2141
2142         // prvm_edict_t structures (hidden from progs)
2143         prog->edicts = PR_Alloc(MAX_EDICTS * sizeof(prvm_edict_t));
2144         // engine private structures (hidden from progs)
2145         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
2146         // progs fields, often accessed by server
2147         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);*/
2148         // used by PushMove to move back pushed entities
2149         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2150         /*for (i = 0;i < prog->max_edicts;i++)
2151         {
2152                 ent = prog->edicts + i;
2153                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
2154                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
2155         }*/
2156
2157         // reset client csqc entity versions right away.
2158         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2159                 EntityFrameCSQC_InitClientVersions(i, true);
2160
2161         sv.datagram.maxsize = sizeof(sv.datagram_buf);
2162         sv.datagram.cursize = 0;
2163         sv.datagram.data = sv.datagram_buf;
2164
2165         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
2166         sv.reliable_datagram.cursize = 0;
2167         sv.reliable_datagram.data = sv.reliable_datagram_buf;
2168
2169         sv.signon.maxsize = sizeof(sv.signon_buf);
2170         sv.signon.cursize = 0;
2171         sv.signon.data = sv.signon_buf;
2172
2173 // leave slots at start for clients only
2174         //prog->num_edicts = svs.maxclients+1;
2175
2176         sv.state = ss_loading;
2177         prog->allowworldwrites = true;
2178         sv.paused = false;
2179
2180         prog->globals.server->time = sv.time = 1.0;
2181
2182         Mod_ClearUsed();
2183         worldmodel->used = true;
2184
2185         strlcpy (sv.name, server, sizeof (sv.name));
2186         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
2187         sv.worldmodel = worldmodel;
2188         sv.models[1] = sv.worldmodel;
2189
2190 //
2191 // clear world interaction links
2192 //
2193         VectorCopy(sv.worldmodel->normalmins, sv.world.areagrid_mins);
2194         VectorCopy(sv.worldmodel->normalmaxs, sv.world.areagrid_maxs);
2195         World_Clear(&sv.world);
2196
2197         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
2198
2199         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
2200         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
2201         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
2202         {
2203                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
2204                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
2205         }
2206
2207 //
2208 // load the rest of the entities
2209 //
2210         // AK possible hack since num_edicts is still 0
2211         ent = PRVM_EDICT_NUM(0);
2212         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
2213         ent->priv.server->free = false;
2214         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
2215         ent->fields.server->modelindex = 1;             // world model
2216         ent->fields.server->solid = SOLID_BSP;
2217         ent->fields.server->movetype = MOVETYPE_PUSH;
2218         VectorCopy(sv.worldmodel->normalmins, ent->fields.server->mins);
2219         VectorCopy(sv.worldmodel->normalmaxs, ent->fields.server->maxs);
2220         VectorCopy(sv.worldmodel->normalmins, ent->fields.server->absmin);
2221         VectorCopy(sv.worldmodel->normalmaxs, ent->fields.server->absmax);
2222
2223         if (coop.value)
2224                 prog->globals.server->coop = coop.integer;
2225         else
2226                 prog->globals.server->deathmatch = deathmatch.integer;
2227
2228         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
2229
2230 // serverflags are for cross level information (sigils)
2231         prog->globals.server->serverflags = svs.serverflags;
2232
2233         // we need to reset the spawned flag on all connected clients here so that
2234         // their thinks don't run during startup (before PutClientInServer)
2235         // we also need to set up the client entities now
2236         // and we need to set the ->edict pointers to point into the progs edicts
2237         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2238         {
2239                 host_client->spawned = false;
2240                 host_client->edict = PRVM_EDICT_NUM(i + 1);
2241                 PRVM_ED_ClearEdict(host_client->edict);
2242         }
2243
2244         // load replacement entity file if found
2245         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
2246         {
2247                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
2248                 PRVM_ED_LoadFromFile (entities);
2249                 Mem_Free(entities);
2250         }
2251         else
2252                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
2253
2254
2255         // LordHavoc: clear world angles (to fix e3m3.bsp)
2256         VectorClear(prog->edicts->fields.server->angles);
2257
2258 // all setup is completed, any further precache statements are errors
2259         sv.state = ss_active;
2260         prog->allowworldwrites = false;
2261
2262 // run two frames to allow everything to settle
2263         for (i = 0;i < 2;i++)
2264         {
2265                 sv.frametime = 0.1;
2266                 SV_Physics ();
2267         }
2268
2269         Mod_PurgeUnused();
2270
2271 // create a baseline for more efficient communications
2272         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
2273                 SV_CreateBaseline ();
2274
2275 // send serverinfo to all connected clients, and set up botclients coming back from a level change
2276         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2277         {
2278                 if (!host_client->active)
2279                         continue;
2280                 if (host_client->netconnection)
2281                         SV_SendServerinfo(host_client);
2282                 else
2283                 {
2284                         int j;
2285                         // if client is a botclient coming from a level change, we need to
2286                         // set up client info that normally requires networking
2287
2288                         // copy spawn parms out of the client_t
2289                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
2290                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
2291
2292                         // call the spawn function
2293                         host_client->clientconnectcalled = true;
2294                         prog->globals.server->time = sv.time;
2295                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2296                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
2297                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
2298                         host_client->spawned = true;
2299                 }
2300         }
2301
2302         Con_DPrint("Server spawned.\n");
2303         NetConn_Heartbeat (2);
2304
2305         SV_VM_End();
2306 }
2307
2308 /////////////////////////////////////////////////////
2309 // SV VM stuff
2310
2311 void SV_VM_CB_BeginIncreaseEdicts(void)
2312 {
2313         int i;
2314         prvm_edict_t *ent;
2315
2316         PRVM_Free( sv.moved_edicts );
2317         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2318
2319         // links don't survive the transition, so unlink everything
2320         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2321         {
2322                 if (!ent->priv.server->free)
2323                         World_UnlinkEdict(prog->edicts + i);
2324                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
2325         }
2326         World_Clear(&sv.world);
2327 }
2328
2329 void SV_VM_CB_EndIncreaseEdicts(void)
2330 {
2331         int i;
2332         prvm_edict_t *ent;
2333
2334         // link every entity except world
2335         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2336                 if (!ent->priv.server->free)
2337                         SV_LinkEdict(ent, false);
2338 }
2339
2340 void SV_VM_CB_InitEdict(prvm_edict_t *e)
2341 {
2342         // LordHavoc: for consistency set these here
2343         int num = PRVM_NUM_FOR_EDICT(e) - 1;
2344
2345         e->priv.server->move = false; // don't move on first frame
2346
2347         if (num >= 0 && num < svs.maxclients)
2348         {
2349                 prvm_eval_t *val;
2350                 // set colormap and team on newly created player entity
2351                 e->fields.server->colormap = num + 1;
2352                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
2353                 // set netname/clientcolors back to client values so that
2354                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
2355                 // reset them
2356                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
2357                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
2358                         val->_float = svs.clients[num].colors;
2359                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
2360                 if( prog->fieldoffsets.playermodel >= 0 )
2361                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
2362                 if( prog->fieldoffsets.playerskin >= 0 )
2363                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
2364         }
2365 }
2366
2367 void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
2368 {
2369         World_UnlinkEdict(ed);          // unlink from world bsp
2370
2371         ed->fields.server->model = 0;
2372         ed->fields.server->takedamage = 0;
2373         ed->fields.server->modelindex = 0;
2374         ed->fields.server->colormap = 0;
2375         ed->fields.server->skin = 0;
2376         ed->fields.server->frame = 0;
2377         VectorClear(ed->fields.server->origin);
2378         VectorClear(ed->fields.server->angles);
2379         ed->fields.server->nextthink = -1;
2380         ed->fields.server->solid = 0;
2381 }
2382
2383 void SV_VM_CB_CountEdicts(void)
2384 {
2385         int             i;
2386         prvm_edict_t    *ent;
2387         int             active, models, solid, step;
2388
2389         active = models = solid = step = 0;
2390         for (i=0 ; i<prog->num_edicts ; i++)
2391         {
2392                 ent = PRVM_EDICT_NUM(i);
2393                 if (ent->priv.server->free)
2394                         continue;
2395                 active++;
2396                 if (ent->fields.server->solid)
2397                         solid++;
2398                 if (ent->fields.server->model)
2399                         models++;
2400                 if (ent->fields.server->movetype == MOVETYPE_STEP)
2401                         step++;
2402         }
2403
2404         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
2405         Con_Printf("active    :%3i\n", active);
2406         Con_Printf("view      :%3i\n", models);
2407         Con_Printf("touch     :%3i\n", solid);
2408         Con_Printf("step      :%3i\n", step);
2409 }
2410
2411 qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
2412 {
2413         // remove things from different skill levels or deathmatch
2414         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
2415         {
2416                 if (deathmatch.integer)
2417                 {
2418                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
2419                         {
2420                                 return false;
2421                         }
2422                 }
2423                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
2424                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
2425                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
2426                 {
2427                         return false;
2428                 }
2429         }
2430         return true;
2431 }
2432
2433 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
2434 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
2435 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
2436 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
2437 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
2438 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
2439 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
2440 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2441 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2442 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2443 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2444 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2445 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
2446 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
2447 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
2448 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
2449 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
2450 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
2451 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
2452 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
2453 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
2454 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
2455 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
2456 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
2457 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
2458 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
2459 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
2460 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
2461 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
2462 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
2463 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
2464 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
2465 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
2466
2467 void SV_VM_Init(void)
2468 {
2469         Cvar_RegisterVariable (&pr_checkextension);
2470         Cvar_RegisterVariable (&nomonsters);
2471         Cvar_RegisterVariable (&gamecfg);
2472         Cvar_RegisterVariable (&scratch1);
2473         Cvar_RegisterVariable (&scratch2);
2474         Cvar_RegisterVariable (&scratch3);
2475         Cvar_RegisterVariable (&scratch4);
2476         Cvar_RegisterVariable (&savedgamecfg);
2477         Cvar_RegisterVariable (&saved1);
2478         Cvar_RegisterVariable (&saved2);
2479         Cvar_RegisterVariable (&saved3);
2480         Cvar_RegisterVariable (&saved4);
2481         // LordHavoc: Nehahra uses these to pass data around cutscene demos
2482         if (gamemode == GAME_NEHAHRA)
2483         {
2484                 Cvar_RegisterVariable (&nehx00);
2485                 Cvar_RegisterVariable (&nehx01);
2486                 Cvar_RegisterVariable (&nehx02);
2487                 Cvar_RegisterVariable (&nehx03);
2488                 Cvar_RegisterVariable (&nehx04);
2489                 Cvar_RegisterVariable (&nehx05);
2490                 Cvar_RegisterVariable (&nehx06);
2491                 Cvar_RegisterVariable (&nehx07);
2492                 Cvar_RegisterVariable (&nehx08);
2493                 Cvar_RegisterVariable (&nehx09);
2494                 Cvar_RegisterVariable (&nehx10);
2495                 Cvar_RegisterVariable (&nehx11);
2496                 Cvar_RegisterVariable (&nehx12);
2497                 Cvar_RegisterVariable (&nehx13);
2498                 Cvar_RegisterVariable (&nehx14);
2499                 Cvar_RegisterVariable (&nehx15);
2500                 Cvar_RegisterVariable (&nehx16);
2501                 Cvar_RegisterVariable (&nehx17);
2502                 Cvar_RegisterVariable (&nehx18);
2503                 Cvar_RegisterVariable (&nehx19);
2504         }
2505         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
2506 }
2507
2508 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
2509
2510 prvm_required_field_t reqfields[] =
2511 {
2512         {ev_entity, "cursor_trace_ent"},
2513         {ev_entity, "drawonlytoclient"},
2514         {ev_entity, "exteriormodeltoclient"},
2515         {ev_entity, "nodrawtoclient"},
2516         {ev_entity, "tag_entity"},
2517         {ev_entity, "viewmodelforclient"},
2518         {ev_float, "alpha"},
2519         {ev_float, "ammo_cells1"},
2520         {ev_float, "ammo_lava_nails"},
2521         {ev_float, "ammo_multi_rockets"},
2522         {ev_float, "ammo_nails1"},
2523         {ev_float, "ammo_plasma"},
2524         {ev_float, "ammo_rockets1"},
2525         {ev_float, "ammo_shells1"},
2526         {ev_float, "button3"},
2527         {ev_float, "button4"},
2528         {ev_float, "button5"},
2529         {ev_float, "button6"},
2530         {ev_float, "button7"},
2531         {ev_float, "button8"},
2532         {ev_float, "button9"},
2533         {ev_float, "button10"},
2534         {ev_float, "button11"},
2535         {ev_float, "button12"},
2536         {ev_float, "button13"},
2537         {ev_float, "button14"},
2538         {ev_float, "button15"},
2539         {ev_float, "button16"},
2540         {ev_float, "buttonchat"},
2541         {ev_float, "buttonuse"},
2542         {ev_float, "clientcolors"},
2543         {ev_float, "cursor_active"},
2544         {ev_float, "disableclientprediction"},
2545         {ev_float, "fullbright"},
2546         {ev_float, "glow_color"},
2547         {ev_float, "glow_size"},
2548         {ev_float, "glow_trail"},
2549         {ev_float, "gravity"},
2550         {ev_float, "idealpitch"},
2551         {ev_float, "items2"},
2552         {ev_float, "light_lev"},
2553         {ev_float, "pflags"},
2554         {ev_float, "ping"},
2555         {ev_float, "pitch_speed"},
2556         {ev_float, "pmodel"},
2557         {ev_float, "renderamt"}, // HalfLife support
2558         {ev_float, "rendermode"}, // HalfLife support
2559         {ev_float, "scale"},
2560         {ev_float, "style"},
2561         {ev_float, "tag_index"},
2562         {ev_float, "Version"},
2563         {ev_float, "viewzoom"},
2564         {ev_vector, "color"},
2565         {ev_vector, "colormod"},
2566         {ev_vector, "cursor_screen"},
2567         {ev_vector, "cursor_trace_endpos"},
2568         {ev_vector, "cursor_trace_start"},
2569         {ev_vector, "movement"},
2570         {ev_vector, "punchvector"},
2571         {ev_string, "playermodel"},
2572         {ev_string, "playerskin"},
2573         {ev_function, "SendEntity"},
2574         {ev_function, "customizeentityforclient"},
2575         // DRESK - Support for Entity Contents Transition Event
2576         {ev_function, "contentstransition"},
2577 };
2578
2579 void SV_VM_Setup(void)
2580 {
2581         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
2582         extern cvar_t csqc_progcrc;
2583         extern cvar_t csqc_progsize;
2584         size_t csprogsdatasize;
2585         PRVM_Begin;
2586         PRVM_InitProg( PRVM_SERVERPROG );
2587
2588         // allocate the mempools
2589         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
2590         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
2591         prog->builtins = vm_sv_builtins;
2592         prog->numbuiltins = vm_sv_numbuiltins;
2593         prog->headercrc = PROGHEADER_CRC;
2594         prog->max_edicts = 512;
2595         prog->limit_edicts = MAX_EDICTS;
2596         prog->reserved_edicts = svs.maxclients;
2597         prog->edictprivate_size = sizeof(edict_engineprivate_t);
2598         prog->name = "server";
2599         prog->extensionstring = vm_sv_extensions;
2600         prog->loadintoworld = true;
2601
2602         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
2603         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
2604         prog->init_edict = SV_VM_CB_InitEdict;
2605         prog->free_edict = SV_VM_CB_FreeEdict;
2606         prog->count_edicts = SV_VM_CB_CountEdicts;
2607         prog->load_edict = SV_VM_CB_LoadEdict;
2608         prog->init_cmd = VM_SV_Cmd_Init;
2609         prog->reset_cmd = VM_SV_Cmd_Reset;
2610         prog->error_cmd = Host_Error;
2611
2612         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
2613         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
2614
2615         // some mods compiled with scrambling compilers lack certain critical
2616         // global names and field names such as "self" and "time" and "nextthink"
2617         // so we have to set these offsets manually, matching the entvars_t
2618         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
2619         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
2620         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
2621         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
2622         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
2623         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
2624         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
2625         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
2626         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
2627         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
2628         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
2629         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
2630         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
2631         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
2632         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
2633         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
2634         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
2635         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
2636         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
2637         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
2638         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
2639         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
2640         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
2641         // OP_STATE is always supported on server (due to entvars_t)
2642         prog->flag |= PRVM_OP_STATE;
2643
2644         VM_AutoSentStats_Clear();//[515]: csqc
2645         EntityFrameCSQC_ClearVersions();//[515]: csqc
2646
2647         PRVM_End;
2648
2649         // see if there is a csprogs.dat installed, and if so, set the csqc_progcrc accordingly, this will be sent to connecting clients to tell them to only load a matching csprogs.dat file
2650         sv.csqc_progname[0] = 0;
2651         sv.csqc_progcrc = FS_CRCFile(csqc_progname.string, &csprogsdatasize);
2652         sv.csqc_progsize = csprogsdatasize;
2653         if (sv.csqc_progsize > 0)
2654         {
2655                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2656                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2657         }
2658 }
2659
2660 void SV_VM_Begin(void)
2661 {
2662         PRVM_Begin;
2663         PRVM_SetProg( PRVM_SERVERPROG );
2664
2665         prog->globals.server->time = (float) sv.time;
2666 }
2667
2668 void SV_VM_End(void)
2669 {
2670         PRVM_End;
2671 }