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 void Host_AddConfigText(void)
 294 {
 295         // set up the default startmap_sp and startmap_dm aliases (mods can
 296         // override these) and then execute the quake.rc startup script
 297         if (gamemode == GAME_NEHAHRA)
 298                 Cbuf_InsertText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
 299         else if (gamemode == GAME_TRANSFUSION)
 300                 Cbuf_InsertText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
 301         else if (gamemode == GAME_TEU)
 302                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
 303         else
 304                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
 305 }
 306
 307 /*
 308 ===============
 309 Host_LoadConfig_f
 310
 311 Resets key bindings and cvars to defaults and then reloads scripts
 312 ===============
 313 */
 314 void Host_LoadConfig_f(void)
 315 {
 316         // reset all cvars, commands and aliases to init values
 317         Cmd_RestoreInitState();
 318         // prepend a menu restart command to execute after the config
 319         Cbuf_InsertText("\nmenu_restart\n");
 320         // reset cvars to their defaults, and then exec startup scripts again
 321         Host_AddConfigText();
 322 }
 323
 324 /*
 325 =================
 326 SV_ClientPrint
 327
 328 Sends text across to be displayed
 329 FIXME: make this just a stuffed echo?
 330 =================
 331 */
 332 void SV_ClientPrint(const char *msg)
 333 {
 334         if (host_client->netconnection)
 335         {
 336                 MSG_WriteByte(&host_client->netconnection->message, svc_print);
 337                 MSG_WriteString(&host_client->netconnection->message, msg);
 338         }
 339 }
 340
 341 /*
 342 =================
 343 SV_ClientPrintf
 344
 345 Sends text across to be displayed
 346 FIXME: make this just a stuffed echo?
 347 =================
 348 */
 349 void SV_ClientPrintf(const char *fmt, ...)
 350 {
 351         va_list argptr;
 352         char msg[MAX_INPUTLINE];
 353
 354         va_start(argptr,fmt);
 355         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 356         va_end(argptr);
 357
 358         SV_ClientPrint(msg);
 359 }
 360
 361 /*
 362 =================
 363 SV_BroadcastPrint
 364
 365 Sends text to all active clients
 366 =================
 367 */
 368 void SV_BroadcastPrint(const char *msg)
 369 {
 370         int i;
 371         client_t *client;
 372
 373         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
 374         {
 375                 if (client->active && client->netconnection)
 376                 {
 377                         MSG_WriteByte(&client->netconnection->message, svc_print);
 378                         MSG_WriteString(&client->netconnection->message, msg);
 379                 }
 380         }
 381
 382         if (sv_echobprint.integer && cls.state == ca_dedicated)
 383                 Con_Print(msg);
 384 }
 385
 386 /*
 387 =================
 388 SV_BroadcastPrintf
 389
 390 Sends text to all active clients
 391 =================
 392 */
 393 void SV_BroadcastPrintf(const char *fmt, ...)
 394 {
 395         va_list argptr;
 396         char msg[MAX_INPUTLINE];
 397
 398         va_start(argptr,fmt);
 399         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 400         va_end(argptr);
 401
 402         SV_BroadcastPrint(msg);
 403 }
 404
 405 /*
 406 =================
 407 Host_ClientCommands
 408
 409 Send text over to the client to be executed
 410 =================
 411 */
 412 void Host_ClientCommands(const char *fmt, ...)
 413 {
 414         va_list argptr;
 415         char string[MAX_INPUTLINE];
 416
 417         if (!host_client->netconnection)
 418                 return;
 419
 420         va_start(argptr,fmt);
 421         dpvsnprintf(string, sizeof(string), fmt, argptr);
 422         va_end(argptr);
 423
 424         MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
 425         MSG_WriteString(&host_client->netconnection->message, string);
 426 }
 427
 428 /*
 429 =====================
 430 SV_DropClient
 431
 432 Called when the player is getting totally kicked off the host
 433 if (crash = true), don't bother sending signofs
 434 =====================
 435 */
 436 void SV_DropClient(qboolean crash)
 437 {
 438         int i;
 439         Con_Printf("Client \"%s\" dropped\n", host_client->name);
 440
 441         SV_StopDemoRecording(host_client);
 442
 443         // make sure edict is not corrupt (from a level change for example)
 444         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
 445
 446         if (host_client->netconnection)
 447         {
 448                 // free the client (the body stays around)
 449                 if (!crash)
 450                 {
 451                         // LordHavoc: no opportunity for resending, so use unreliable 3 times
 452                         unsigned char bufdata[8];
 453                         sizebuf_t buf;
 454                         memset(&buf, 0, sizeof(buf));
 455                         buf.data = bufdata;
 456                         buf.maxsize = sizeof(bufdata);
 457                         MSG_WriteByte(&buf, svc_disconnect);
 458                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 459                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 460                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 461                 }
 462                 // break the net connection
 463                 NetConn_Close(host_client->netconnection);
 464                 host_client->netconnection = NULL;
 465         }
 466
 467         // call qc ClientDisconnect function
 468         // LordHavoc: don't call QC if server is dead (avoids recursive
 469         // Host_Error in some mods when they run out of edicts)
 470         if (host_client->clientconnectcalled && sv.active && host_client->edict)
 471         {
 472                 // call the prog function for removing a client
 473                 // this will set the body to a dead frame, among other things
 474                 int saveSelf = prog->globals.server->self;
 475                 host_client->clientconnectcalled = false;
 476                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
 477                 PRVM_ExecuteProgram(prog->globals.server->ClientDisconnect, "QC function ClientDisconnect is missing");
 478                 prog->globals.server->self = saveSelf;
 479         }
 480
 481         // if a download is active, close it
 482         if (host_client->download_file)
 483         {
 484                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
 485                 FS_Close(host_client->download_file);
 486                 host_client->download_file = NULL;
 487                 host_client->download_name[0] = 0;
 488                 host_client->download_expectedposition = 0;
 489                 host_client->download_started = false;
 490         }
 491
 492         // remove leaving player from scoreboard
 493         host_client->name[0] = 0;
 494         host_client->colors = 0;
 495         host_client->frags = 0;
 496         // send notification to all clients
 497         // get number of client manually just to make sure we get it right...
 498         i = host_client - svs.clients;
 499         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
 500         MSG_WriteByte (&sv.reliable_datagram, i);
 501         MSG_WriteString (&sv.reliable_datagram, host_client->name);
 502         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
 503         MSG_WriteByte (&sv.reliable_datagram, i);
 504         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
 505         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
 506         MSG_WriteByte (&sv.reliable_datagram, i);
 507         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
 508
 509         // free the client now
 510         if (host_client->entitydatabase)
 511                 EntityFrame_FreeDatabase(host_client->entitydatabase);
 512         if (host_client->entitydatabase4)
 513                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
 514         if (host_client->entitydatabase5)
 515                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
 516
 517         if (sv.active)
 518         {
 519                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
 520                 PRVM_ED_ClearEdict(host_client->edict);
 521         }
 522
 523         // clear the client struct (this sets active to false)
 524         memset(host_client, 0, sizeof(*host_client));
 525
 526         // update server listing on the master because player count changed
 527         // (which the master uses for filtering empty/full servers)
 528         NetConn_Heartbeat(1);
 529
 530         if (sv.loadgame)
 531         {
 532                 for (i = 0;i < svs.maxclients;i++)
 533                         if (svs.clients[i].active && !svs.clients[i].spawned)
 534                                 break;
 535                 if (i == svs.maxclients)
 536                 {
 537                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
 538                         sv.paused = sv.loadgame = false; // we're basically done with loading now
 539                 }
 540         }
 541 }
 542
 543 /*
 544 ==================
 545 Host_ShutdownServer
 546
 547 This only happens at the end of a game, not between levels
 548 ==================
 549 */
 550 void Host_ShutdownServer(void)
 551 {
 552         int i;
 553
 554         Con_DPrintf("Host_ShutdownServer\n");
 555
 556         if (!sv.active)
 557                 return;
 558
 559         NetConn_Heartbeat(2);
 560         NetConn_Heartbeat(2);
 561
 562 // make sure all the clients know we're disconnecting
 563         SV_VM_Begin();
 564         World_End(&sv.world);
 565         if(prog->loaded)
 566                 if(prog->funcoffsets.SV_Shutdown)
 567                 {
 568                         func_t s = prog->funcoffsets.SV_Shutdown;
 569                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
 570                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
 571                 }
 572         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 573                 if (host_client->active)
 574                         SV_DropClient(false); // server shutdown
 575         SV_VM_End();
 576
 577         NetConn_CloseServerPorts();
 578
 579         sv.active = false;
 580 //
 581 // clear structures
 582 //
 583         memset(&sv, 0, sizeof(sv));
 584         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
 585 }
 586
 587
 588 //============================================================================
 589
 590 /*
 591 ===================
 592 Host_GetConsoleCommands
 593
 594 Add them exactly as if they had been typed at the console
 595 ===================
 596 */
 597 void Host_GetConsoleCommands (void)
 598 {
 599         char *cmd;
 600
 601         while (1)
 602         {
 603                 cmd = Sys_ConsoleInput ();
 604                 if (!cmd)
 605                         break;
 606                 Cbuf_AddText (cmd);
 607         }
 608 }
 609
 610 /*
 611 ==================
 612 Host_TimeReport
 613
 614 Returns a time report string, for example for
 615 ==================
 616 */
 617 const char *Host_TimingReport(void)
 618 {
 619         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);
 620 }
 621
 622 /*
 623 ==================
 624 Host_Frame
 625
 626 Runs all active servers
 627 ==================
 628 */
 629 static void Host_Init(void);
 630 void Host_Main(void)
 631 {
 632         double time1 = 0;
 633         double time2 = 0;
 634         double time3 = 0;
 635         double cl_timer, sv_timer;
 636         double clframetime, deltarealtime, oldrealtime;
 637         double wait;
 638         int pass1, pass2, pass3, i;
 639
 640         Host_Init();
 641
 642         cl_timer = 0;
 643         sv_timer = 0;
 644
 645         realtime = host_starttime = Sys_DoubleTime();
 646         for (;;)
 647         {
 648                 if (setjmp(host_abortframe))
 649                 {
 650                         SCR_ClearLoadingScreen(false);
 651                         continue;                       // something bad happened, or the server disconnected
 652                 }
 653
 654                 oldrealtime = realtime;
 655                 realtime = Sys_DoubleTime();
 656
 657                 deltarealtime = realtime - oldrealtime;
 658                 cl_timer += deltarealtime;
 659                 sv_timer += deltarealtime;
 660
 661                 svs.perf_acc_realtime += deltarealtime;
 662
 663                 // Look for clients who have spawned
 664                 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 665                         if(host_client->spawned)
 666                                 if(host_client->netconnection)
 667                                         break;
 668                 if(i == svs.maxclients)
 669                 {
 670                         // Nobody is looking? Then we won't do timing...
 671                         // Instead, reset it to zero
 672                         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;
 673                 }
 674                 else if(svs.perf_acc_realtime > 5)
 675                 {
 676                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
 677                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
 678                         if(svs.perf_acc_offset_samples > 0)
 679                         {
 680                                 svs.perf_offset_max = svs.perf_acc_offset_max;
 681                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
 682                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
 683                         }
 684                         if(svs.perf_lost > 0 && developer_extra.integer)
 685                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
 686                         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;
 687                 }
 688
 689                 if (slowmo.value < 0.00001 && slowmo.value != 0)
 690                         Cvar_SetValue("slowmo", 0);
 691                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
 692                         Cvar_SetValue("host_framerate", 0);
 693
 694                 // keep the random time dependent, but not when playing demos/benchmarking
 695                 if(!*sv_random_seed.string && !cls.demoplayback)
 696                         rand();
 697
 698                 cl.islocalgame = NetConn_IsLocalGame();
 699
 700                 // get new key events
 701                 Key_EventQueue_Unblock();
 702                 SndSys_SendKeyEvents();
 703                 Sys_SendKeyEvents();
 704
 705                 NetConn_UpdateSockets();
 706
 707                 Log_DestBuffer_Flush();
 708
 709                 // receive packets on each main loop iteration, as the main loop may
 710                 // be undersleeping due to select() detecting a new packet
 711                 if (sv.active)
 712                         NetConn_ServerFrame();
 713
 714                 Curl_Run();
 715
 716                 // check for commands typed to the host
 717                 Host_GetConsoleCommands();
 718
 719                 // when a server is running we only execute console commands on server frames
 720                 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
 721                 // otherwise we execute them on client frames
 722                 if (sv.active ? sv_timer > 0 : cl_timer > 0)
 723                 {
 724                         // process console commands
 725 //                      R_TimeReport("preconsole");
 726                         CL_VM_PreventInformationLeaks();
 727                         Cbuf_Execute();
 728 //                      R_TimeReport("console");
 729                 }
 730
 731                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
 732
 733                 // if the accumulators haven't become positive yet, wait a while
 734                 if (cls.state == ca_dedicated)
 735                         wait = sv_timer * -1000000.0;
 736                 else if (!sv.active)
 737                         wait = cl_timer * -1000000.0;
 738                 else
 739                         wait = max(cl_timer, sv_timer) * -1000000.0;
 740
 741                 if (!cls.timedemo && wait >= 1)
 742                 {
 743                         double time0;
 744
 745                         if(host_maxwait.value <= 0)
 746                                 wait = min(wait, 1000000.0);
 747                         else
 748                                 wait = min(wait, host_maxwait.value * 1000.0);
 749                         if(wait < 1)
 750                                 wait = 1; // because we cast to int
 751
 752                         time0 = Sys_DoubleTime();
 753                         if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
 754                                 NetConn_SleepMicroseconds((int)wait);
 755                         else
 756                                 Sys_Sleep((int)wait);
 757                         svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
 758 //                      R_TimeReport("sleep");
 759                         continue;
 760                 }
 761
 762                 R_TimeReport("---");
 763
 764         //-------------------
 765         //
 766         // server operations
 767         //
 768         //-------------------
 769
 770                 // limit the frametime steps to no more than 100ms each
 771                 if (cl_timer > 0.1)
 772                         cl_timer = 0.1;
 773                 if (sv_timer > 0.1)
 774                 {
 775                         svs.perf_acc_lost += (sv_timer - 0.1);
 776                         sv_timer = 0.1;
 777                 }
 778
 779                 if (sv.active && sv_timer > 0)
 780                 {
 781                         // execute one or more server frames, with an upper limit on how much
 782                         // execution time to spend on server frames to avoid freezing the game if
 783                         // the server is overloaded, this execution time limit means the game will
 784                         // slow down if the server is taking too long.
 785                         int framecount, framelimit = 1;
 786                         double advancetime, aborttime = 0;
 787                         float offset;
 788
 789                         if (cls.state == ca_dedicated)
 790                                 Collision_Cache_NewFrame();
 791
 792                         // run the world state
 793                         // don't allow simulation to run too fast or too slow or logic glitches can occur
 794
 795                         // stop running server frames if the wall time reaches this value
 796                         if (sys_ticrate.value <= 0)
 797                                 advancetime = sv_timer;
 798                         else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
 799                         {
 800                                 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
 801                                 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
 802                                 framelimit = 10;
 803                                 aborttime = realtime + 0.1;
 804                         }
 805                         else
 806                         {
 807                                 advancetime = sys_ticrate.value;
 808                                 // listen servers can run multiple server frames per client frame
 809                                 if (cls.state == ca_connected)
 810                                 {
 811                                         framelimit = 10;
 812                                         aborttime = realtime + 0.1;
 813                                 }
 814                         }
 815                         if(slowmo.value > 0 && slowmo.value < 1)
 816                                 advancetime = min(advancetime, 0.1 / slowmo.value);
 817                         else
 818                                 advancetime = min(advancetime, 0.1);
 819
 820                         if(advancetime > 0)
 821                         {
 822                                 offset = sv_timer + (Sys_DoubleTime() - realtime);
 823                                 ++svs.perf_acc_offset_samples;
 824                                 svs.perf_acc_offset += offset;
 825                                 svs.perf_acc_offset_squared += offset * offset;
 826                                 if(svs.perf_acc_offset_max < offset)
 827                                         svs.perf_acc_offset_max = offset;
 828                         }
 829
 830                         // only advance time if not paused
 831                         // the game also pauses in singleplayer when menu or console is used
 832                         sv.frametime = advancetime * slowmo.value;
 833                         if (host_framerate.value)
 834                                 sv.frametime = host_framerate.value;
 835                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 836                                 sv.frametime = 0;
 837
 838                         // setup the VM frame
 839                         SV_VM_Begin();
 840
 841                         for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
 842                         {
 843                                 sv_timer -= advancetime;
 844
 845                                 // move things around and think unless paused
 846                                 if (sv.frametime)
 847                                         SV_Physics();
 848
 849                                 // if this server frame took too long, break out of the loop
 850                                 if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
 851                                         break;
 852                         }
 853                         R_TimeReport("serverphysics");
 854
 855                         // send all messages to the clients
 856                         SV_SendClientMessages();
 857
 858                         if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
 859                                 prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
 860                                 PRVM_ExecuteProgram(prog->funcoffsets.SV_PausedTic, "QC function SV_PausedTic is missing");
 861                         }
 862
 863                         // end the server VM frame
 864                         SV_VM_End();
 865
 866                         // send an heartbeat if enough time has passed since the last one
 867                         NetConn_Heartbeat(0);
 868                         R_TimeReport("servernetwork");
 869                 }
 870                 else
 871                 {
 872                         // don't let r_speeds display jump around
 873                         R_TimeReport("serverphysics");
 874                         R_TimeReport("servernetwork");
 875                 }
 876
 877         //-------------------
 878         //
 879         // client operations
 880         //
 881         //-------------------
 882
 883                 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
 884                 {
 885                         R_TimeReport("---");
 886                         Collision_Cache_NewFrame();
 887                         R_TimeReport("collisioncache");
 888                         // decide the simulation time
 889                         if (cls.capturevideo.active)
 890                         {
 891                                 //***
 892                                 if (cls.capturevideo.realtime)
 893                                         clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
 894                                 else
 895                                 {
 896                                         clframetime = 1.0 / cls.capturevideo.framerate;
 897                                         cl.realframetime = max(cl_timer, clframetime);
 898                                 }
 899                         }
 900                         else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
 901                         {
 902                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
 903                                 // when running slow, we need to sleep to keep input responsive
 904                                 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
 905                                 if (wait > 0)
 906                                         Sys_Sleep((int)wait);
 907                         }
 908                         else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
 909                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
 910                         else
 911                                 clframetime = cl.realframetime = cl_timer;
 912
 913                         // apply slowmo scaling
 914                         clframetime *= cl.movevars_timescale;
 915                         // scale playback speed of demos by slowmo cvar
 916                         if (cls.demoplayback)
 917                         {
 918                                 clframetime *= slowmo.value;
 919                                 // if demo playback is paused, don't advance time at all
 920                                 if (cls.demopaused)
 921                                         clframetime = 0;
 922                         }
 923
 924                         // host_framerate overrides all else
 925                         if (host_framerate.value)
 926                                 clframetime = host_framerate.value;
 927
 928                         if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 929                                 clframetime = 0;
 930
 931                         if (cls.timedemo)
 932                                 clframetime = cl.realframetime = cl_timer;
 933
 934                         // deduct the frame time from the accumulator
 935                         cl_timer -= cl.realframetime;
 936
 937                         cl.oldtime = cl.time;
 938                         cl.time += clframetime;
 939
 940                         // update video
 941                         if (host_speeds.integer)
 942                                 time1 = Sys_DoubleTime();
 943                         R_TimeReport("pre-input");
 944
 945                         // Collect input into cmd
 946                         CL_Input();
 947
 948                         R_TimeReport("input");
 949
 950                         // check for new packets
 951                         NetConn_ClientFrame();
 952
 953                         // read a new frame from a demo if needed
 954                         CL_ReadDemoMessage();
 955                         R_TimeReport("clientnetwork");
 956
 957                         // now that packets have been read, send input to server
 958                         CL_SendMove();
 959                         R_TimeReport("sendmove");
 960
 961                         // update client world (interpolate entities, create trails, etc)
 962                         CL_UpdateWorld();
 963                         R_TimeReport("lerpworld");
 964
 965                         CL_Video_Frame();
 966                         CL_Gecko_Frame();
 967
 968                         R_TimeReport("client");
 969
 970                         CL_UpdateScreen();
 971                         R_TimeReport("render");
 972
 973                         if (host_speeds.integer)
 974                                 time2 = Sys_DoubleTime();
 975
 976                         // update audio
 977                         if(cl.csqc_usecsqclistener)
 978                         {
 979                                 S_Update(&cl.csqc_listenermatrix);
 980                                 cl.csqc_usecsqclistener = false;
 981                         }
 982                         else
 983                                 S_Update(&r_refdef.view.matrix);
 984
 985                         CDAudio_Update();
 986                         R_TimeReport("audio");
 987
 988                         // reset gathering of mouse input
 989                         in_mouse_x = in_mouse_y = 0;
 990
 991                         if (host_speeds.integer)
 992                         {
 993                                 pass1 = (int)((time1 - time3)*1000000);
 994                                 time3 = Sys_DoubleTime();
 995                                 pass2 = (int)((time2 - time1)*1000000);
 996                                 pass3 = (int)((time3 - time2)*1000000);
 997                                 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
 998                                                         pass1+pass2+pass3, pass1, pass2, pass3);
 999                         }
1000                 }
1001
1002 #if MEMPARANOIA
1003                 Mem_CheckSentinelsGlobal();
1004 #else
1005                 if (developer_memorydebug.integer)
1006                         Mem_CheckSentinelsGlobal();
1007 #endif
1008
1009                 // if there is some time remaining from this frame, reset the timers
1010                 if (cl_timer >= 0)
1011                         cl_timer = 0;
1012                 if (sv_timer >= 0)
1013                 {
1014                         svs.perf_acc_lost += sv_timer;
1015                         sv_timer = 0;
1016                 }
1017
1018                 host_framecount++;
1019         }
1020 }
1021
1022 //============================================================================
1023
1024 qboolean vid_opened = false;
1025 void Host_StartVideo(void)
1026 {
1027         if (!vid_opened && cls.state != ca_dedicated)
1028         {
1029                 vid_opened = true;
1030                 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1031                 NetConn_UpdateSockets();
1032                 VID_Start();
1033                 CDAudio_Startup();
1034         }
1035 }
1036
1037 char engineversion[128];
1038
1039 qboolean sys_nostdout = false;
1040
1041 extern void u8_Init(void);
1042 extern void Render_Init(void);
1043 extern void Mathlib_Init(void);
1044 extern void FS_Init_SelfPack(void);
1045 extern void FS_Init(void);
1046 extern void FS_Shutdown(void);
1047 extern void PR_Cmd_Init(void);
1048 extern void COM_Init_Commands(void);
1049 extern void FS_Init_Commands(void);
1050 extern qboolean host_stuffcmdsrun;
1051
1052 /*
1053 ====================
1054 Host_Init
1055 ====================
1056 */
1057 static void Host_Init (void)
1058 {
1059         int i;
1060         const char* os;
1061
1062         if (COM_CheckParm("-profilegameonly"))
1063                 Sys_AllowProfiling(false);
1064
1065         // LordHavoc: quake never seeded the random number generator before... heh
1066         if (COM_CheckParm("-benchmark"))
1067                 srand(0); // predictable random sequence for -benchmark
1068         else
1069                 srand((unsigned int)time(NULL));
1070
1071         // FIXME: this is evil, but possibly temporary
1072         // LordHavoc: doesn't seem very temporary...
1073         // LordHavoc: made this a saved cvar
1074 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1075         if (COM_CheckParm("-developer"))
1076         {
1077                 developer.value = developer.integer = 1;
1078                 developer.string = "1";
1079         }
1080
1081         if (COM_CheckParm("-developer2"))
1082         {
1083                 developer.value = developer.integer = 1;
1084                 developer.string = "1";
1085                 developer_extra.value = developer_extra.integer = 1;
1086                 developer_extra.string = "1";
1087                 developer_insane.value = developer_insane.integer = 1;
1088                 developer_insane.string = "1";
1089                 developer_memory.value = developer_memory.integer = 1;
1090                 developer_memory.string = "1";
1091                 developer_memorydebug.value = developer_memorydebug.integer = 1;
1092                 developer_memorydebug.string = "1";
1093         }
1094
1095 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1096         if (COM_CheckParm("-nostdout"))
1097                 sys_nostdout = 1;
1098
1099         // used by everything
1100         Memory_Init();
1101
1102         // initialize console command/cvar/alias/command execution systems
1103         Cmd_Init();
1104
1105         // initialize memory subsystem cvars/commands
1106         Memory_Init_Commands();
1107
1108         // initialize console and logging and its cvars/commands
1109         Con_Init();
1110
1111         // initialize various cvars that could not be initialized earlier
1112         u8_Init();
1113         Curl_Init_Commands();
1114         Cmd_Init_Commands();
1115         Sys_Init_Commands();
1116         COM_Init_Commands();
1117         FS_Init_Commands();
1118
1119         // initialize console window (only used by sys_win.c)
1120         Sys_InitConsole();
1121
1122         // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1123         FS_Init_SelfPack();
1124
1125         // detect gamemode from commandline options or executable name
1126         COM_InitGameType();
1127
1128         // construct a version string for the corner of the console
1129         os = DP_OS_NAME;
1130         dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1131         Con_Printf("%s\n", engineversion);
1132
1133         // initialize ixtable
1134         Mathlib_Init();
1135
1136         // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1137         FS_Init();
1138
1139         // must be after FS_Init
1140         Crypto_Init();
1141         Crypto_Init_Commands();
1142
1143         NetConn_Init();
1144         Curl_Init();
1145         //PR_Init();
1146         //PR_Cmd_Init();
1147         PRVM_Init();
1148         Mod_Init();
1149         World_Init();
1150         SV_Init();
1151         V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1152         Host_InitCommands();
1153         Host_InitLocal();
1154         Host_ServerOptions();
1155
1156         if (cls.state == ca_dedicated)
1157                 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1158         else
1159         {
1160                 Con_DPrintf("Initializing client\n");
1161
1162                 R_Modules_Init();
1163                 Palette_Init();
1164                 MR_Init_Commands();
1165                 Thread_Init();
1166                 VID_Shared_Init();
1167                 VID_Init();
1168                 Render_Init();
1169                 S_Init();
1170                 CDAudio_Init();
1171                 Key_Init();
1172                 CL_Init();
1173         }
1174
1175         // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1176         // NOTE: menu commands are freed by Cmd_RestoreInitState
1177         Cmd_SaveInitState();
1178
1179         // FIXME: put this into some neat design, but the menu should be allowed to crash
1180         // without crashing the whole game, so this should just be a short-time solution
1181
1182         // here comes the not so critical stuff
1183         if (setjmp(host_abortframe)) {
1184                 return;
1185         }
1186
1187         Host_AddConfigText();
1188         Cbuf_Execute();
1189
1190         // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1191         if (!host_stuffcmdsrun)
1192         {
1193                 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1194                 Cbuf_Execute();
1195         }
1196
1197         // put up the loading image so the user doesn't stare at a black screen...
1198         SCR_BeginLoadingPlaque();
1199
1200         if (cls.state != ca_dedicated)
1201         {
1202                 MR_Init();
1203         }
1204
1205         // check for special benchmark mode
1206 // 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)
1207         i = COM_CheckParm("-benchmark");
1208         if (i && i + 1 < com_argc)
1209         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1210         {
1211                 Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
1212                 Cbuf_Execute();
1213         }
1214
1215         // check for special demo mode
1216 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1217         i = COM_CheckParm("-demo");
1218         if (i && i + 1 < com_argc)
1219         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1220         {
1221                 Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
1222                 Cbuf_Execute();
1223         }
1224
1225 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1226         i = COM_CheckParm("-capturedemo");
1227         if (i && i + 1 < com_argc)
1228         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1229         {
1230                 Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1231                 Cbuf_Execute();
1232         }
1233
1234         if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1235         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1236         {
1237                 Cbuf_AddText("startmap_dm\n");
1238                 Cbuf_Execute();
1239         }
1240
1241         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1242         {
1243                 Cbuf_AddText("togglemenu\n");
1244                 Cbuf_Execute();
1245         }
1246
1247         Con_DPrint("========Initialized=========\n");
1248
1249         //Host_StartVideo();
1250 }
1251
1252
1253 /*
1254 ===============
1255 Host_Shutdown
1256
1257 FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
1258 to run quit through here before the final handoff to the sys code.
1259 ===============
1260 */
1261 void Host_Shutdown(void)
1262 {
1263         static qboolean isdown = false;
1264
1265         if (isdown)
1266         {
1267                 Con_Print("recursive shutdown\n");
1268                 return;
1269         }
1270         if (setjmp(host_abortframe))
1271         {
1272                 Con_Print("aborted the quitting frame?!?\n");
1273                 return;
1274         }
1275         isdown = true;
1276
1277         // be quiet while shutting down
1278         S_StopAllSounds();
1279
1280         // disconnect client from server if active
1281         CL_Disconnect();
1282
1283         // shut down local server if active
1284         Host_ShutdownServer ();
1285
1286         // Shutdown menu
1287         if(MR_Shutdown)
1288                 MR_Shutdown();
1289
1290         // AK shutdown PRVM
1291         // AK hmm, no PRVM_Shutdown(); yet
1292
1293         CL_Gecko_Shutdown();
1294         CL_Video_Shutdown();
1295
1296         Host_SaveConfig();
1297
1298         CDAudio_Shutdown ();
1299         S_Terminate ();
1300         Curl_Shutdown ();
1301         NetConn_Shutdown ();
1302         //PR_Shutdown ();
1303
1304         if (cls.state != ca_dedicated)
1305         {
1306                 R_Modules_Shutdown();
1307                 VID_Shutdown();
1308                 Thread_Shutdown();
1309         }
1310
1311         Cmd_Shutdown();
1312         Key_Shutdown();
1313         CL_Shutdown();
1314         Sys_Shutdown();
1315         Log_Close();
1316         Crypto_Shutdown();
1317         FS_Shutdown();
1318         Con_Shutdown();
1319         Memory_Shutdown();
1320 }
1321