host.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 // host.c -- coordinates spawning and killing of local servers
  21
  22 #include "quakedef.h"
  23
  24 #include <time.h>
  25 #include "libcurl.h"
  26 #include "cdaudio.h"
  27 #include "cl_gecko.h"
  28 #include "cl_video.h"
  29 #include "progsvm.h"
  30 #include "csprogs.h"
  31 #include "sv_demo.h"
  32 #include "snd_main.h"
  33 #include "thread.h"
  34
  35 /*
  36
  37 A server can always be started, even if the system started out as a client
  38 to a remote system.
  39
  40 A client can NOT be started if the system started as a dedicated server.
  41
  42 Memory is cleared / released when a server or client begins, not when they end.
  43
  44 */
  45
  46 // how many frames have occurred
  47 // (checked by Host_Error and Host_SaveConfig_f)
  48 int host_framecount = 0;
  49 // LordHavoc: set when quit is executed
  50 qboolean host_shuttingdown = false;
  51
  52 // the real time since application started, without any slowmo or clamping
  53 double realtime;
  54
  55 // current client
  56 client_t *host_client;
  57
  58 jmp_buf host_abortframe;
  59 double host_starttime = 0;
  60
  61 // pretend frames take this amount of time (in seconds), 0 = realtime
  62 cvar_t host_framerate = {0, "host_framerate","0", "locks frame timing to this value in seconds, 0.05 is 20fps for example, note that this can easily run too fast, use cl_maxfps if you want to limit your framerate instead, or sys_ticrate to limit server speed"};
  63 // shows time used by certain subsystems
  64 cvar_t host_speeds = {0, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
  65 cvar_t host_maxwait = {0, "host_maxwait","1000", "maximum sleep time requested from the operating system in millisecond. Larger sleeps will be done using multiple host_maxwait length sleeps. Lowering this value will increase CPU load, but may help working around problems with accuracy of sleep times."};
  66 cvar_t cl_minfps = {CVAR_SAVE, "cl_minfps", "40", "minimum fps target - while the rendering performance is below this, it will drift toward lower quality"};
  67 cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "0.2", "how fast the quality adapts to varying framerate"};
  68 cvar_t cl_minfps_qualitymax = {CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"};
  69 cvar_t cl_minfps_qualitymin = {CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"};
  70 cvar_t cl_minfps_qualitypower = {CVAR_SAVE, "cl_minfps_qualitypower", "4", "raises quality value to a power of itself, higher values make quality drop more sharply in relation to framerate"};
  71 cvar_t cl_minfps_qualityscale = {CVAR_SAVE, "cl_minfps_qualityscale", "0.5", "multiplier for quality"};
  72 cvar_t cl_maxfps = {CVAR_SAVE, "cl_maxfps", "0", "maximum fps cap, 0 = unlimited, if game is running faster than this it will wait before running another frame (useful to make cpu time available to other programs)"};
  73 cvar_t cl_maxfps_alwayssleep = {0, "cl_maxfps_alwayssleep","1", "gives up some processing time to other applications each frame, value in milliseconds, disabled if cl_maxfps is 0"};
  74 cvar_t cl_maxidlefps = {CVAR_SAVE, "cl_maxidlefps", "20", "maximum fps cap when the game is not the active window (makes cpu time available to other programs"};
  75
  76 cvar_t developer = {CVAR_SAVE, "developer","0", "shows debugging messages and information (recommended for all developers and level designers); the value -1 also suppresses buffering and logging these messages"};
  77 cvar_t developer_extra = {0, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
  78 cvar_t developer_insane = {0, "developer_insane", "0", "prints huge streams of information about internal workings, entire contents of files being read/written, etc.  Not recommended!"};
  79 cvar_t developer_loadfile = {0, "developer_loadfile","0", "prints name and size of every file loaded via the FS_LoadFile function (which is almost everything)"};
  80 cvar_t developer_loading = {0, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
  81 cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
  82
  83 cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
  84 cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
  85
  86 /*
  87 ================
  88 Host_AbortCurrentFrame
  89
  90 aborts the current host frame and goes on with the next one
  91 ================
  92 */
  93 void Host_AbortCurrentFrame(void)
  94 {
  95         longjmp (host_abortframe, 1);
  96 }
  97
  98 /*
  99 ================
 100 Host_Error
 101
 102 This shuts down both the client and server
 103 ================
 104 */
 105 void Host_Error (const char *error, ...)
 106 {
 107         static char hosterrorstring1[MAX_INPUTLINE];
 108         static char hosterrorstring2[MAX_INPUTLINE];
 109         static qboolean hosterror = false;
 110         va_list argptr;
 111
 112         // turn off rcon redirect if it was active when the crash occurred
 113         // to prevent loops when it is a networking problem
 114         Con_Rcon_Redirect_Abort();
 115
 116         va_start (argptr,error);
 117         dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
 118         va_end (argptr);
 119
 120         Con_Printf("Host_Error: %s\n", hosterrorstring1);
 121
 122         // LordHavoc: if crashing very early, or currently shutting down, do
 123         // Sys_Error instead
 124         if (host_framecount < 3 || host_shuttingdown)
 125                 Sys_Error ("Host_Error: %s", hosterrorstring1);
 126
 127         if (hosterror)
 128                 Sys_Error ("Host_Error: recursively entered (original error was: %s    new error is: %s)", hosterrorstring2, hosterrorstring1);
 129         hosterror = true;
 130
 131         strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
 132
 133         CL_Parse_DumpPacket();
 134
 135         CL_Parse_ErrorCleanUp();
 136
 137         //PR_Crash();
 138
 139         // print out where the crash happened, if it was caused by QC (and do a cleanup)
 140         PRVM_Crash();
 141
 142
 143         Host_ShutdownServer ();
 144
 145         if (cls.state == ca_dedicated)
 146                 Sys_Error ("Host_Error: %s",hosterrorstring2);  // dedicated servers exit
 147
 148         CL_Disconnect ();
 149         cls.demonum = -1;
 150
 151         hosterror = false;
 152
 153         Host_AbortCurrentFrame();
 154 }
 155
 156 void Host_ServerOptions (void)
 157 {
 158         int i;
 159
 160         // general default
 161         svs.maxclients = 8;
 162
 163 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
 164 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
 165         // if no client is in the executable or -dedicated is specified on
 166         // commandline, start a dedicated server
 167         i = COM_CheckParm ("-dedicated");
 168         if (i || !cl_available)
 169         {
 170                 cls.state = ca_dedicated;
 171                 // check for -dedicated specifying how many players
 172                 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 173                         svs.maxclients = atoi (com_argv[i+1]);
 174                 if (COM_CheckParm ("-listen"))
 175                         Con_Printf ("Only one of -dedicated or -listen can be specified\n");
 176                 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
 177                 Cvar_SetValue("sv_public", 1);
 178         }
 179         else if (cl_available)
 180         {
 181                 // client exists and not dedicated, check if -listen is specified
 182                 cls.state = ca_disconnected;
 183                 i = COM_CheckParm ("-listen");
 184                 if (i)
 185                 {
 186                         // default players unless specified
 187                         if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 188                                 svs.maxclients = atoi (com_argv[i+1]);
 189                 }
 190                 else
 191                 {
 192                         // default players in some games, singleplayer in most
 193                         if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
 194                                 svs.maxclients = 1;
 195                 }
 196         }
 197
 198         svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
 199
 200         svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
 201
 202         if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
 203                 Cvar_SetValueQuick(&deathmatch, 1);
 204 }
 205
 206 /*
 207 =======================
 208 Host_InitLocal
 209 ======================
 210 */
 211 void Host_SaveConfig_f(void);
 212 void Host_LoadConfig_f(void);
 213 extern cvar_t sv_writepicture_quality;
 214 extern cvar_t r_texture_jpeg_fastpicmip;
 215 static void Host_InitLocal (void)
 216 {
 217         Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
 218         Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
 219
 220         Cvar_RegisterVariable (&host_framerate);
 221         Cvar_RegisterVariable (&host_speeds);
 222         Cvar_RegisterVariable (&host_maxwait);
 223         Cvar_RegisterVariable (&cl_minfps);
 224         Cvar_RegisterVariable (&cl_minfps_fade);
 225         Cvar_RegisterVariable (&cl_minfps_qualitymax);
 226         Cvar_RegisterVariable (&cl_minfps_qualitymin);
 227         Cvar_RegisterVariable (&cl_minfps_qualitypower);
 228         Cvar_RegisterVariable (&cl_minfps_qualityscale);
 229         Cvar_RegisterVariable (&cl_maxfps);
 230         Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
 231         Cvar_RegisterVariable (&cl_maxidlefps);
 232
 233         Cvar_RegisterVariable (&developer);
 234         Cvar_RegisterVariable (&developer_extra);
 235         Cvar_RegisterVariable (&developer_insane);
 236         Cvar_RegisterVariable (&developer_loadfile);
 237         Cvar_RegisterVariable (&developer_loading);
 238         Cvar_RegisterVariable (&developer_entityparsing);
 239
 240         Cvar_RegisterVariable (&timestamps);
 241         Cvar_RegisterVariable (&timeformat);
 242
 243         Cvar_RegisterVariable (&sv_writepicture_quality);
 244         Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
 245 }
 246
 247
 248 /*
 249 ===============
 250 Host_SaveConfig_f
 251
 252 Writes key bindings and archived cvars to config.cfg
 253 ===============
 254 */
 255 void Host_SaveConfig_to(const char *file)
 256 {
 257         qfile_t *f;
 258
 259 // dedicated servers initialize the host but don't parse and set the
 260 // config.cfg cvars
 261         // LordHavoc: don't save a config if it crashed in startup
 262         if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
 263         {
 264                 f = FS_OpenRealFile(file, "wb", false);
 265                 if (!f)
 266                 {
 267                         Con_Printf("Couldn't write %s.\n", file);
 268                         return;
 269                 }
 270
 271                 Key_WriteBindings (f);
 272                 Cvar_WriteVariables (f);
 273
 274                 FS_Close (f);
 275         }
 276 }
 277 void Host_SaveConfig(void)
 278 {
 279         Host_SaveConfig_to(CONFIGFILENAME);
 280 }
 281 void Host_SaveConfig_f(void)
 282 {
 283         const char *file = CONFIGFILENAME;
 284
 285         if(Cmd_Argc() >= 2) {
 286                 file = Cmd_Argv(1);
 287                 Con_Printf("Saving to %s\n", file);
 288         }
 289
 290         Host_SaveConfig_to(file);
 291 }
 292
 293 /*
 294 ===============
 295 Host_LoadConfig_f
 296
 297 Resets key bindings and cvars to defaults and then reloads scripts
 298 ===============
 299 */
 300 void Host_LoadConfig_f(void)
 301 {
 302         // unlock the cvar default strings so they can be updated by the new default.cfg
 303         Cvar_UnlockDefaults();
 304         // reset cvars to their defaults, and then exec startup scripts again
 305         Cbuf_InsertText("cvar_resettodefaults_all;exec " STARTCONFIGFILENAME "\n");
 306 }
 307
 308 /*
 309 =================
 310 SV_ClientPrint
 311
 312 Sends text across to be displayed
 313 FIXME: make this just a stuffed echo?
 314 =================
 315 */
 316 void SV_ClientPrint(const char *msg)
 317 {
 318         if (host_client->netconnection)
 319         {
 320                 MSG_WriteByte(&host_client->netconnection->message, svc_print);
 321                 MSG_WriteString(&host_client->netconnection->message, msg);
 322         }
 323 }
 324
 325 /*
 326 =================
 327 SV_ClientPrintf
 328
 329 Sends text across to be displayed
 330 FIXME: make this just a stuffed echo?
 331 =================
 332 */
 333 void SV_ClientPrintf(const char *fmt, ...)
 334 {
 335         va_list argptr;
 336         char msg[MAX_INPUTLINE];
 337
 338         va_start(argptr,fmt);
 339         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 340         va_end(argptr);
 341
 342         SV_ClientPrint(msg);
 343 }
 344
 345 /*
 346 =================
 347 SV_BroadcastPrint
 348
 349 Sends text to all active clients
 350 =================
 351 */
 352 void SV_BroadcastPrint(const char *msg)
 353 {
 354         int i;
 355         client_t *client;
 356
 357         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
 358         {
 359                 if (client->active && client->netconnection)
 360                 {
 361                         MSG_WriteByte(&client->netconnection->message, svc_print);
 362                         MSG_WriteString(&client->netconnection->message, msg);
 363                 }
 364         }
 365
 366         if (sv_echobprint.integer && cls.state == ca_dedicated)
 367                 Con_Print(msg);
 368 }
 369
 370 /*
 371 =================
 372 SV_BroadcastPrintf
 373
 374 Sends text to all active clients
 375 =================
 376 */
 377 void SV_BroadcastPrintf(const char *fmt, ...)
 378 {
 379         va_list argptr;
 380         char msg[MAX_INPUTLINE];
 381
 382         va_start(argptr,fmt);
 383         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 384         va_end(argptr);
 385
 386         SV_BroadcastPrint(msg);
 387 }
 388
 389 /*
 390 =================
 391 Host_ClientCommands
 392
 393 Send text over to the client to be executed
 394 =================
 395 */
 396 void Host_ClientCommands(const char *fmt, ...)
 397 {
 398         va_list argptr;
 399         char string[MAX_INPUTLINE];
 400
 401         if (!host_client->netconnection)
 402                 return;
 403
 404         va_start(argptr,fmt);
 405         dpvsnprintf(string, sizeof(string), fmt, argptr);
 406         va_end(argptr);
 407
 408         MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
 409         MSG_WriteString(&host_client->netconnection->message, string);
 410 }
 411
 412 /*
 413 =====================
 414 SV_DropClient
 415
 416 Called when the player is getting totally kicked off the host
 417 if (crash = true), don't bother sending signofs
 418 =====================
 419 */
 420 void SV_DropClient(qboolean crash)
 421 {
 422         int i;
 423         Con_Printf("Client \"%s\" dropped\n", host_client->name);
 424
 425         SV_StopDemoRecording(host_client);
 426
 427         // make sure edict is not corrupt (from a level change for example)
 428         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
 429
 430         if (host_client->netconnection)
 431         {
 432                 // free the client (the body stays around)
 433                 if (!crash)
 434                 {
 435                         // LordHavoc: no opportunity for resending, so use unreliable 3 times
 436                         unsigned char bufdata[8];
 437                         sizebuf_t buf;
 438                         memset(&buf, 0, sizeof(buf));
 439                         buf.data = bufdata;
 440                         buf.maxsize = sizeof(bufdata);
 441                         MSG_WriteByte(&buf, svc_disconnect);
 442                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 443                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 444                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 445                 }
 446                 // break the net connection
 447                 NetConn_Close(host_client->netconnection);
 448                 host_client->netconnection = NULL;
 449         }
 450
 451         // call qc ClientDisconnect function
 452         // LordHavoc: don't call QC if server is dead (avoids recursive
 453         // Host_Error in some mods when they run out of edicts)
 454         if (host_client->clientconnectcalled && sv.active && host_client->edict)
 455         {
 456                 // call the prog function for removing a client
 457                 // this will set the body to a dead frame, among other things
 458                 int saveSelf = prog->globals.server->self;
 459                 host_client->clientconnectcalled = false;
 460                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
 461                 PRVM_ExecuteProgram(prog->globals.server->ClientDisconnect, "QC function ClientDisconnect is missing");
 462                 prog->globals.server->self = saveSelf;
 463         }
 464
 465         // if a download is active, close it
 466         if (host_client->download_file)
 467         {
 468                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
 469                 FS_Close(host_client->download_file);
 470                 host_client->download_file = NULL;
 471                 host_client->download_name[0] = 0;
 472                 host_client->download_expectedposition = 0;
 473                 host_client->download_started = false;
 474         }
 475
 476         // remove leaving player from scoreboard
 477         host_client->name[0] = 0;
 478         host_client->colors = 0;
 479         host_client->frags = 0;
 480         // send notification to all clients
 481         // get number of client manually just to make sure we get it right...
 482         i = host_client - svs.clients;
 483         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
 484         MSG_WriteByte (&sv.reliable_datagram, i);
 485         MSG_WriteString (&sv.reliable_datagram, host_client->name);
 486         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
 487         MSG_WriteByte (&sv.reliable_datagram, i);
 488         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
 489         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
 490         MSG_WriteByte (&sv.reliable_datagram, i);
 491         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
 492
 493         // free the client now
 494         if (host_client->entitydatabase)
 495                 EntityFrame_FreeDatabase(host_client->entitydatabase);
 496         if (host_client->entitydatabase4)
 497                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
 498         if (host_client->entitydatabase5)
 499                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
 500
 501         if (sv.active)
 502         {
 503                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
 504                 PRVM_ED_ClearEdict(host_client->edict);
 505         }
 506
 507         // clear the client struct (this sets active to false)
 508         memset(host_client, 0, sizeof(*host_client));
 509
 510         // update server listing on the master because player count changed
 511         // (which the master uses for filtering empty/full servers)
 512         NetConn_Heartbeat(1);
 513
 514         if (sv.loadgame)
 515         {
 516                 for (i = 0;i < svs.maxclients;i++)
 517                         if (svs.clients[i].active && !svs.clients[i].spawned)
 518                                 break;
 519                 if (i == svs.maxclients)
 520                 {
 521                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
 522                         sv.paused = sv.loadgame = false; // we're basically done with loading now
 523                 }
 524         }
 525 }
 526
 527 /*
 528 ==================
 529 Host_ShutdownServer
 530
 531 This only happens at the end of a game, not between levels
 532 ==================
 533 */
 534 void Host_ShutdownServer(void)
 535 {
 536         int i;
 537
 538         Con_DPrintf("Host_ShutdownServer\n");
 539
 540         if (!sv.active)
 541                 return;
 542
 543         NetConn_Heartbeat(2);
 544         NetConn_Heartbeat(2);
 545
 546 // make sure all the clients know we're disconnecting
 547         SV_VM_Begin();
 548         World_End(&sv.world);
 549         if(prog->loaded)
 550                 if(prog->funcoffsets.SV_Shutdown)
 551                 {
 552                         func_t s = prog->funcoffsets.SV_Shutdown;
 553                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
 554                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
 555                 }
 556         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 557                 if (host_client->active)
 558                         SV_DropClient(false); // server shutdown
 559         SV_VM_End();
 560
 561         NetConn_CloseServerPorts();
 562
 563         sv.active = false;
 564 //
 565 // clear structures
 566 //
 567         memset(&sv, 0, sizeof(sv));
 568         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
 569 }
 570
 571
 572 //============================================================================
 573
 574 /*
 575 ===================
 576 Host_GetConsoleCommands
 577
 578 Add them exactly as if they had been typed at the console
 579 ===================
 580 */
 581 void Host_GetConsoleCommands (void)
 582 {
 583         char *cmd;
 584
 585         while (1)
 586         {
 587                 cmd = Sys_ConsoleInput ();
 588                 if (!cmd)
 589                         break;
 590                 Cbuf_AddText (cmd);
 591         }
 592 }
 593
 594 /*
 595 ==================
 596 Host_TimeReport
 597
 598 Returns a time report string, for example for
 599 ==================
 600 */
 601 const char *Host_TimingReport(void)
 602 {
 603         return va("%.1f%% CPU, %.2f%% lost, offset avg %.1fms, max %.1fms, sdev %.1fms", svs.perf_cpuload * 100, svs.perf_lost * 100, svs.perf_offset_avg * 1000, svs.perf_offset_max * 1000, svs.perf_offset_sdev * 1000);
 604 }
 605
 606 /*
 607 ==================
 608 Host_Frame
 609
 610 Runs all active servers
 611 ==================
 612 */
 613 static void Host_Init(void);
 614 void Host_Main(void)
 615 {
 616         double time1 = 0;
 617         double time2 = 0;
 618         double time3 = 0;
 619         double cl_timer, sv_timer;
 620         double clframetime, deltarealtime, oldrealtime;
 621         double wait;
 622         int pass1, pass2, pass3, i;
 623
 624         Host_Init();
 625
 626         cl_timer = 0;
 627         sv_timer = 0;
 628
 629         realtime = host_starttime = Sys_DoubleTime();
 630         for (;;)
 631         {
 632                 if (setjmp(host_abortframe))
 633                 {
 634                         SCR_ClearLoadingScreen(false);
 635                         continue;                       // something bad happened, or the server disconnected
 636                 }
 637
 638                 oldrealtime = realtime;
 639                 realtime = Sys_DoubleTime();
 640
 641                 deltarealtime = realtime - oldrealtime;
 642                 cl_timer += deltarealtime;
 643                 sv_timer += deltarealtime;
 644
 645                 svs.perf_acc_realtime += deltarealtime;
 646
 647                 // Look for clients who have spawned
 648                 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 649                         if(host_client->spawned)
 650                                 if(host_client->netconnection)
 651                                         break;
 652                 if(i == svs.maxclients)
 653                 {
 654                         // Nobody is looking? Then we won't do timing...
 655                         // Instead, reset it to zero
 656                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
 657                 }
 658                 else if(svs.perf_acc_realtime > 5)
 659                 {
 660                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
 661                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
 662                         if(svs.perf_acc_offset_samples > 0)
 663                         {
 664                                 svs.perf_offset_max = svs.perf_acc_offset_max;
 665                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
 666                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
 667                         }
 668                         if(svs.perf_lost > 0 && developer_extra.integer)
 669                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
 670                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
 671                 }
 672
 673                 if (slowmo.value < 0.00001 && slowmo.value != 0)
 674                         Cvar_SetValue("slowmo", 0);
 675                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
 676                         Cvar_SetValue("host_framerate", 0);
 677
 678                 // keep the random time dependent, but not when playing demos/benchmarking
 679                 if(!*sv_random_seed.string && !cls.demoplayback)
 680                         rand();
 681
 682                 cl.islocalgame = NetConn_IsLocalGame();
 683
 684                 // get new key events
 685                 Key_EventQueue_Unblock();
 686                 SndSys_SendKeyEvents();
 687                 Sys_SendKeyEvents();
 688
 689                 NetConn_UpdateSockets();
 690
 691                 Log_DestBuffer_Flush();
 692
 693                 // receive packets on each main loop iteration, as the main loop may
 694                 // be undersleeping due to select() detecting a new packet
 695                 if (sv.active)
 696                         NetConn_ServerFrame();
 697
 698                 Curl_Run();
 699
 700                 // check for commands typed to the host
 701                 Host_GetConsoleCommands();
 702
 703                 // when a server is running we only execute console commands on server frames
 704                 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
 705                 // otherwise we execute them on client frames
 706                 if (sv.active ? sv_timer > 0 : cl_timer > 0)
 707                 {
 708                         // process console commands
 709 //                      R_TimeReport("preconsole");
 710                         CL_VM_PreventInformationLeaks();
 711                         Cbuf_Execute();
 712 //                      R_TimeReport("console");
 713                 }
 714
 715                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
 716
 717                 // if the accumulators haven't become positive yet, wait a while
 718                 if (cls.state == ca_dedicated)
 719                         wait = sv_timer * -1000000.0;
 720                 else if (!sv.active)
 721                         wait = cl_timer * -1000000.0;
 722                 else
 723                         wait = max(cl_timer, sv_timer) * -1000000.0;
 724
 725                 if (!cls.timedemo && wait >= 1)
 726                 {
 727                         double time0;
 728
 729                         if(host_maxwait.value <= 0)
 730                                 wait = min(wait, 1000000.0);
 731                         else
 732                                 wait = min(wait, host_maxwait.value * 1000.0);
 733                         if(wait < 1)
 734                                 wait = 1; // because we cast to int
 735
 736                         time0 = Sys_DoubleTime();
 737                         if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
 738                                 NetConn_SleepMicroseconds((int)wait);
 739                         else
 740                                 Sys_Sleep((int)wait);
 741                         svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
 742 //                      R_TimeReport("sleep");
 743                         continue;
 744                 }
 745
 746                 R_TimeReport("---");
 747
 748         //-------------------
 749         //
 750         // server operations
 751         //
 752         //-------------------
 753
 754                 // limit the frametime steps to no more than 100ms each
 755                 if (cl_timer > 0.1)
 756                         cl_timer = 0.1;
 757                 if (sv_timer > 0.1)
 758                 {
 759                         svs.perf_acc_lost += (sv_timer - 0.1);
 760                         sv_timer = 0.1;
 761                 }
 762
 763                 if (sv.active && sv_timer > 0)
 764                 {
 765                         // execute one or more server frames, with an upper limit on how much
 766                         // execution time to spend on server frames to avoid freezing the game if
 767                         // the server is overloaded, this execution time limit means the game will
 768                         // slow down if the server is taking too long.
 769                         int framecount, framelimit = 1;
 770                         double advancetime, aborttime = 0;
 771                         float offset;
 772
 773                         // run the world state
 774                         // don't allow simulation to run too fast or too slow or logic glitches can occur
 775
 776                         // stop running server frames if the wall time reaches this value
 777                         if (sys_ticrate.value <= 0)
 778                                 advancetime = sv_timer;
 779                         else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
 780                         {
 781                                 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
 782                                 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
 783                                 framelimit = 10;
 784                                 aborttime = realtime + 0.1;
 785                         }
 786                         else
 787                         {
 788                                 advancetime = sys_ticrate.value;
 789                                 // listen servers can run multiple server frames per client frame
 790                                 if (cls.state == ca_connected)
 791                                 {
 792                                         framelimit = 10;
 793                                         aborttime = realtime + 0.1;
 794                                 }
 795                         }
 796                         if(slowmo.value > 0 && slowmo.value < 1)
 797                                 advancetime = min(advancetime, 0.1 / slowmo.value);
 798                         else
 799                                 advancetime = min(advancetime, 0.1);
 800
 801                         if(advancetime > 0)
 802                         {
 803                                 offset = sv_timer + (Sys_DoubleTime() - realtime);
 804                                 ++svs.perf_acc_offset_samples;
 805                                 svs.perf_acc_offset += offset;
 806                                 svs.perf_acc_offset_squared += offset * offset;
 807                                 if(svs.perf_acc_offset_max < offset)
 808                                         svs.perf_acc_offset_max = offset;
 809                         }
 810
 811                         // only advance time if not paused
 812                         // the game also pauses in singleplayer when menu or console is used
 813                         sv.frametime = advancetime * slowmo.value;
 814                         if (host_framerate.value)
 815                                 sv.frametime = host_framerate.value;
 816                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 817                                 sv.frametime = 0;
 818
 819                         // setup the VM frame
 820                         SV_VM_Begin();
 821
 822                         for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
 823                         {
 824                                 sv_timer -= advancetime;
 825
 826                                 // move things around and think unless paused
 827                                 if (sv.frametime)
 828                                         SV_Physics();
 829
 830                                 // if this server frame took too long, break out of the loop
 831                                 if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
 832                                         break;
 833                         }
 834                         R_TimeReport("serverphysics");
 835
 836                         // send all messages to the clients
 837                         SV_SendClientMessages();
 838
 839                         if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
 840                                 prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
 841                                 PRVM_ExecuteProgram(prog->funcoffsets.SV_PausedTic, "QC function SV_PausedTic is missing");
 842                         }
 843
 844                         // end the server VM frame
 845                         SV_VM_End();
 846
 847                         // send an heartbeat if enough time has passed since the last one
 848                         NetConn_Heartbeat(0);
 849                         R_TimeReport("servernetwork");
 850                 }
 851                 else
 852                 {
 853                         // don't let r_speeds display jump around
 854                         R_TimeReport("serverphysics");
 855                         R_TimeReport("servernetwork");
 856                 }
 857
 858         //-------------------
 859         //
 860         // client operations
 861         //
 862         //-------------------
 863
 864                 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
 865                 {
 866                         R_TimeReport("---");
 867                         // decide the simulation time
 868                         if (cls.capturevideo.active)
 869                         {
 870                                 //***
 871                                 if (cls.capturevideo.realtime)
 872                                         clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
 873                                 else
 874                                 {
 875                                         clframetime = 1.0 / cls.capturevideo.framerate;
 876                                         cl.realframetime = max(cl_timer, clframetime);
 877                                 }
 878                         }
 879                         else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
 880                         {
 881                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
 882                                 // when running slow, we need to sleep to keep input responsive
 883                                 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
 884                                 if (wait > 0)
 885                                         Sys_Sleep((int)wait);
 886                         }
 887                         else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
 888                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
 889                         else
 890                                 clframetime = cl.realframetime = cl_timer;
 891
 892                         // apply slowmo scaling
 893                         clframetime *= cl.movevars_timescale;
 894                         // scale playback speed of demos by slowmo cvar
 895                         if (cls.demoplayback)
 896                         {
 897                                 clframetime *= slowmo.value;
 898                                 // if demo playback is paused, don't advance time at all
 899                                 if (cls.demopaused)
 900                                         clframetime = 0;
 901                         }
 902
 903                         // host_framerate overrides all else
 904                         if (host_framerate.value)
 905                                 clframetime = host_framerate.value;
 906
 907                         if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 908                                 clframetime = 0;
 909
 910                         if (cls.timedemo)
 911                                 clframetime = cl.realframetime = cl_timer;
 912
 913                         // deduct the frame time from the accumulator
 914                         cl_timer -= cl.realframetime;
 915
 916                         cl.oldtime = cl.time;
 917                         cl.time += clframetime;
 918
 919                         // update video
 920                         if (host_speeds.integer)
 921                                 time1 = Sys_DoubleTime();
 922                         R_TimeReport("pre-input");
 923
 924                         // Collect input into cmd
 925                         CL_Input();
 926
 927                         R_TimeReport("input");
 928
 929                         // check for new packets
 930                         NetConn_ClientFrame();
 931
 932                         // read a new frame from a demo if needed
 933                         CL_ReadDemoMessage();
 934                         R_TimeReport("clientnetwork");
 935
 936                         // now that packets have been read, send input to server
 937                         CL_SendMove();
 938                         R_TimeReport("sendmove");
 939
 940                         // update client world (interpolate entities, create trails, etc)
 941                         CL_UpdateWorld();
 942                         R_TimeReport("lerpworld");
 943
 944                         CL_Video_Frame();
 945                         CL_Gecko_Frame();
 946
 947                         R_TimeReport("client");
 948
 949                         CL_UpdateScreen();
 950                         R_TimeReport("render");
 951
 952                         if (host_speeds.integer)
 953                                 time2 = Sys_DoubleTime();
 954
 955                         // update audio
 956                         if(cl.csqc_usecsqclistener)
 957                         {
 958                                 S_Update(&cl.csqc_listenermatrix);
 959                                 cl.csqc_usecsqclistener = false;
 960                         }
 961                         else
 962                                 S_Update(&r_refdef.view.matrix);
 963
 964                         CDAudio_Update();
 965                         R_TimeReport("audio");
 966
 967                         // reset gathering of mouse input
 968                         in_mouse_x = in_mouse_y = 0;
 969
 970                         if (host_speeds.integer)
 971                         {
 972                                 pass1 = (int)((time1 - time3)*1000000);
 973                                 time3 = Sys_DoubleTime();
 974                                 pass2 = (int)((time2 - time1)*1000000);
 975                                 pass3 = (int)((time3 - time2)*1000000);
 976                                 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
 977                                                         pass1+pass2+pass3, pass1, pass2, pass3);
 978                         }
 979                 }
 980
 981 #if MEMPARANOIA
 982                 Mem_CheckSentinelsGlobal();
 983 #else
 984                 if (developer_memorydebug.integer)
 985                         Mem_CheckSentinelsGlobal();
 986 #endif
 987
 988                 // if there is some time remaining from this frame, reset the timers
 989                 if (cl_timer >= 0)
 990                         cl_timer = 0;
 991                 if (sv_timer >= 0)
 992                 {
 993                         svs.perf_acc_lost += sv_timer;
 994                         sv_timer = 0;
 995                 }
 996
 997                 host_framecount++;
 998         }
 999 }
1000
1001 //============================================================================
1002
1003 qboolean vid_opened = false;
1004 void Host_StartVideo(void)
1005 {
1006         if (!vid_opened && cls.state != ca_dedicated)
1007         {
1008                 vid_opened = true;
1009                 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1010                 NetConn_UpdateSockets();
1011                 VID_Start();
1012                 CDAudio_Startup();
1013         }
1014 }
1015
1016 char engineversion[128];
1017
1018 qboolean sys_nostdout = false;
1019
1020 extern void u8_Init(void);
1021 extern void Render_Init(void);
1022 extern void Mathlib_Init(void);
1023 extern void FS_Init_SelfPack(void);
1024 extern void FS_Init(void);
1025 extern void FS_Shutdown(void);
1026 extern void PR_Cmd_Init(void);
1027 extern void COM_Init_Commands(void);
1028 extern void FS_Init_Commands(void);
1029 extern qboolean host_stuffcmdsrun;
1030
1031 /*
1032 ====================
1033 Host_Init
1034 ====================
1035 */
1036 static void Host_Init (void)
1037 {
1038         int i;
1039         const char* os;
1040
1041         if (COM_CheckParm("-profilegameonly"))
1042                 Sys_AllowProfiling(false);
1043
1044         // LordHavoc: quake never seeded the random number generator before... heh
1045         if (COM_CheckParm("-benchmark"))
1046                 srand(0); // predictable random sequence for -benchmark
1047         else
1048                 srand((unsigned int)time(NULL));
1049
1050         // FIXME: this is evil, but possibly temporary
1051         // LordHavoc: doesn't seem very temporary...
1052         // LordHavoc: made this a saved cvar
1053 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1054         if (COM_CheckParm("-developer"))
1055         {
1056                 developer.value = developer.integer = 1;
1057                 developer.string = "1";
1058         }
1059
1060         if (COM_CheckParm("-developer2"))
1061         {
1062                 developer.value = developer.integer = 1;
1063                 developer.string = "1";
1064                 developer_extra.value = developer_extra.integer = 1;
1065                 developer_extra.string = "1";
1066                 developer_insane.value = developer_insane.integer = 1;
1067                 developer_insane.string = "1";
1068                 developer_memory.value = developer_memory.integer = 1;
1069                 developer_memory.string = "1";
1070                 developer_memorydebug.value = developer_memorydebug.integer = 1;
1071                 developer_memorydebug.string = "1";
1072         }
1073
1074 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1075         if (COM_CheckParm("-nostdout"))
1076                 sys_nostdout = 1;
1077
1078         // used by everything
1079         Memory_Init();
1080
1081         // initialize console command/cvar/alias/command execution systems
1082         Cmd_Init();
1083
1084         // initialize memory subsystem cvars/commands
1085         Memory_Init_Commands();
1086
1087         // initialize console and logging and its cvars/commands
1088         Con_Init();
1089
1090         // initialize various cvars that could not be initialized earlier
1091         u8_Init();
1092         Curl_Init_Commands();
1093         Cmd_Init_Commands();
1094         Sys_Init_Commands();
1095         COM_Init_Commands();
1096         FS_Init_Commands();
1097
1098         // initialize console window (only used by sys_win.c)
1099         Sys_InitConsole();
1100
1101         // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1102         FS_Init_SelfPack();
1103
1104         // detect gamemode from commandline options or executable name
1105         COM_InitGameType();
1106
1107         // construct a version string for the corner of the console
1108         os = DP_OS_NAME;
1109         dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1110         Con_Printf("%s\n", engineversion);
1111
1112         // initialize ixtable
1113         Mathlib_Init();
1114
1115         // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1116         FS_Init();
1117
1118         // must be after FS_Init
1119         Crypto_Init();
1120         Crypto_Init_Commands();
1121
1122         NetConn_Init();
1123         Curl_Init();
1124         //PR_Init();
1125         //PR_Cmd_Init();
1126         PRVM_Init();
1127         Mod_Init();
1128         World_Init();
1129         SV_Init();
1130         V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1131         Host_InitCommands();
1132         Host_InitLocal();
1133         Host_ServerOptions();
1134
1135         if (cls.state == ca_dedicated)
1136                 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1137         else
1138         {
1139                 Con_DPrintf("Initializing client\n");
1140
1141                 R_Modules_Init();
1142                 Palette_Init();
1143                 MR_Init_Commands();
1144                 Thread_Init();
1145                 VID_Shared_Init();
1146                 VID_Init();
1147                 Render_Init();
1148                 S_Init();
1149                 CDAudio_Init();
1150                 Key_Init();
1151                 CL_Init();
1152         }
1153
1154         // set up the default startmap_sp and startmap_dm aliases (mods can
1155         // override these) and then execute the quake.rc startup script
1156         if (gamemode == GAME_NEHAHRA)
1157                 Cbuf_AddText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
1158         else if (gamemode == GAME_TRANSFUSION)
1159                 Cbuf_AddText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
1160         else if (gamemode == GAME_TEU)
1161                 Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
1162         else
1163                 Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
1164         Cbuf_Execute();
1165
1166         // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1167         if (!host_stuffcmdsrun)
1168         {
1169                 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1170                 Cbuf_Execute();
1171         }
1172
1173         // put up the loading image so the user doesn't stare at a black screen...
1174         SCR_BeginLoadingPlaque();
1175
1176         // FIXME: put this into some neat design, but the menu should be allowed to crash
1177         // without crashing the whole game, so this should just be a short-time solution
1178
1179         // here comes the not so critical stuff
1180         if (setjmp(host_abortframe)) {
1181                 return;
1182         }
1183
1184         if (cls.state != ca_dedicated)
1185         {
1186                 MR_Init();
1187         }
1188
1189         // check for special benchmark mode
1190 // COMMANDLINEOPTION: Client: -benchmark <demoname> runs a timedemo and quits, results of any timedemo can be found in gamedir/benchmark.log (for example id1/benchmark.log)
1191         i = COM_CheckParm("-benchmark");
1192         if (i && i + 1 < com_argc)
1193         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1194         {
1195                 Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
1196                 Cbuf_Execute();
1197         }
1198
1199         // check for special demo mode
1200 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1201         i = COM_CheckParm("-demo");
1202         if (i && i + 1 < com_argc)
1203         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1204         {
1205                 Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
1206                 Cbuf_Execute();
1207         }
1208
1209 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1210         i = COM_CheckParm("-capturedemo");
1211         if (i && i + 1 < com_argc)
1212         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1213         {
1214                 Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1215                 Cbuf_Execute();
1216         }
1217
1218         if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1219         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1220         {
1221                 Cbuf_AddText("startmap_dm\n");
1222                 Cbuf_Execute();
1223         }
1224
1225         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1226         {
1227                 Cbuf_AddText("togglemenu\n");
1228                 Cbuf_Execute();
1229         }
1230
1231         Con_DPrint("========Initialized=========\n");
1232
1233         //Host_StartVideo();
1234 }
1235
1236
1237 /*
1238 ===============
1239 Host_Shutdown
1240
1241 FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
1242 to run quit through here before the final handoff to the sys code.
1243 ===============
1244 */
1245 void Host_Shutdown(void)
1246 {
1247         static qboolean isdown = false;
1248
1249         if (isdown)
1250         {
1251                 Con_Print("recursive shutdown\n");
1252                 return;
1253         }
1254         if (setjmp(host_abortframe))
1255         {
1256                 Con_Print("aborted the quitting frame?!?\n");
1257                 return;
1258         }
1259         isdown = true;
1260
1261         // be quiet while shutting down
1262         S_StopAllSounds();
1263
1264         // disconnect client from server if active
1265         CL_Disconnect();
1266
1267         // shut down local server if active
1268         Host_ShutdownServer ();
1269
1270         // Shutdown menu
1271         if(MR_Shutdown)
1272                 MR_Shutdown();
1273
1274         // AK shutdown PRVM
1275         // AK hmm, no PRVM_Shutdown(); yet
1276
1277         CL_Gecko_Shutdown();
1278         CL_Video_Shutdown();
1279
1280         Host_SaveConfig();
1281
1282         CDAudio_Shutdown ();
1283         S_Terminate ();
1284         Curl_Shutdown ();
1285         NetConn_Shutdown ();
1286         //PR_Shutdown ();
1287
1288         if (cls.state != ca_dedicated)
1289         {
1290                 R_Modules_Shutdown();
1291                 VID_Shutdown();
1292                 Thread_Shutdown();
1293         }
1294
1295         Cmd_Shutdown();
1296         Key_Shutdown();
1297         CL_Shutdown();
1298         Sys_Shutdown();
1299         Log_Close();
1300         Crypto_Shutdown();
1301         FS_Shutdown();
1302         Con_Shutdown();
1303         Memory_Shutdown();
1304 }
1305