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_video.h"
  28 #include "progsvm.h"
  29 #include "csprogs.h"
  30 #include "sv_demo.h"
  31 #include "snd_main.h"
  32 #include "thread.h"
  33
  34 /*
  35
  36 A server can always be started, even if the system started out as a client
  37 to a remote system.
  38
  39 A client can NOT be started if the system started as a dedicated server.
  40
  41 Memory is cleared / released when a server or client begins, not when they end.
  42
  43 */
  44
  45 // how many frames have occurred
  46 // (checked by Host_Error and Host_SaveConfig_f)
  47 int host_framecount = 0;
  48 // LordHavoc: set when quit is executed
  49 qboolean host_shuttingdown = false;
  50
  51 // the real time since application started, without any slowmo or clamping
  52 double realtime;
  53
  54 // current client
  55 client_t *host_client;
  56
  57 jmp_buf host_abortframe;
  58 double host_starttime = 0;
  59
  60 // pretend frames take this amount of time (in seconds), 0 = realtime
  61 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"};
  62 // shows time used by certain subsystems
  63 cvar_t host_speeds = {0, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
  64 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."};
  65 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"};
  66 cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "0.2", "how fast the quality adapts to varying framerate"};
  67 cvar_t cl_minfps_qualitymax = {CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"};
  68 cvar_t cl_minfps_qualitymin = {CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"};
  69 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"};
  70 cvar_t cl_minfps_qualityscale = {CVAR_SAVE, "cl_minfps_qualityscale", "0.5", "multiplier for quality"};
  71 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)"};
  72 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"};
  73 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"};
  74
  75 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"};
  76 cvar_t developer_extra = {0, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
  77 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!"};
  78 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)"};
  79 cvar_t developer_loading = {0, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
  80 cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
  81
  82 cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
  83 cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
  84
  85 /*
  86 ================
  87 Host_AbortCurrentFrame
  88
  89 aborts the current host frame and goes on with the next one
  90 ================
  91 */
  92 void Host_AbortCurrentFrame(void)
  93 {
  94         longjmp (host_abortframe, 1);
  95 }
  96
  97 /*
  98 ================
  99 Host_Error
 100
 101 This shuts down both the client and server
 102 ================
 103 */
 104 void Host_Error (const char *error, ...)
 105 {
 106         static char hosterrorstring1[MAX_INPUTLINE];
 107         static char hosterrorstring2[MAX_INPUTLINE];
 108         static qboolean hosterror = false;
 109         va_list argptr;
 110
 111         // turn off rcon redirect if it was active when the crash occurred
 112         // to prevent loops when it is a networking problem
 113         Con_Rcon_Redirect_Abort();
 114
 115         va_start (argptr,error);
 116         dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
 117         va_end (argptr);
 118
 119         Con_Printf("Host_Error: %s\n", hosterrorstring1);
 120
 121         // LordHavoc: if crashing very early, or currently shutting down, do
 122         // Sys_Error instead
 123         if (host_framecount < 3 || host_shuttingdown)
 124                 Sys_Error ("Host_Error: %s", hosterrorstring1);
 125
 126         if (hosterror)
 127                 Sys_Error ("Host_Error: recursively entered (original error was: %s    new error is: %s)", hosterrorstring2, hosterrorstring1);
 128         hosterror = true;
 129
 130         strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
 131
 132         CL_Parse_DumpPacket();
 133
 134         CL_Parse_ErrorCleanUp();
 135
 136         //PR_Crash();
 137
 138         // print out where the crash happened, if it was caused by QC (and do a cleanup)
 139         PRVM_Crash();
 140
 141
 142         Host_ShutdownServer ();
 143
 144         if (cls.state == ca_dedicated)
 145                 Sys_Error ("Host_Error: %s",hosterrorstring2);  // dedicated servers exit
 146
 147         CL_Disconnect ();
 148         cls.demonum = -1;
 149
 150         hosterror = false;
 151
 152         Host_AbortCurrentFrame();
 153 }
 154
 155 void Host_ServerOptions (void)
 156 {
 157         int i;
 158
 159         // general default
 160         svs.maxclients = 8;
 161
 162 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
 163 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
 164         // if no client is in the executable or -dedicated is specified on
 165         // commandline, start a dedicated server
 166         i = COM_CheckParm ("-dedicated");
 167         if (i || !cl_available)
 168         {
 169                 cls.state = ca_dedicated;
 170                 // check for -dedicated specifying how many players
 171                 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 172                         svs.maxclients = atoi (com_argv[i+1]);
 173                 if (COM_CheckParm ("-listen"))
 174                         Con_Printf ("Only one of -dedicated or -listen can be specified\n");
 175                 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
 176                 Cvar_SetValue("sv_public", 1);
 177         }
 178         else if (cl_available)
 179         {
 180                 // client exists and not dedicated, check if -listen is specified
 181                 cls.state = ca_disconnected;
 182                 i = COM_CheckParm ("-listen");
 183                 if (i)
 184                 {
 185                         // default players unless specified
 186                         if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 187                                 svs.maxclients = atoi (com_argv[i+1]);
 188                 }
 189                 else
 190                 {
 191                         // default players in some games, singleplayer in most
 192                         if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
 193                                 svs.maxclients = 1;
 194                 }
 195         }
 196
 197         svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
 198
 199         svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
 200
 201         if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
 202                 Cvar_SetValueQuick(&deathmatch, 1);
 203 }
 204
 205 /*
 206 =======================
 207 Host_InitLocal
 208 ======================
 209 */
 210 void Host_SaveConfig_f(void);
 211 void Host_LoadConfig_f(void);
 212 extern cvar_t sv_writepicture_quality;
 213 extern cvar_t r_texture_jpeg_fastpicmip;
 214 static void Host_InitLocal (void)
 215 {
 216         Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
 217         Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
 218
 219         Cvar_RegisterVariable (&host_framerate);
 220         Cvar_RegisterVariable (&host_speeds);
 221         Cvar_RegisterVariable (&host_maxwait);
 222         Cvar_RegisterVariable (&cl_minfps);
 223         Cvar_RegisterVariable (&cl_minfps_fade);
 224         Cvar_RegisterVariable (&cl_minfps_qualitymax);
 225         Cvar_RegisterVariable (&cl_minfps_qualitymin);
 226         Cvar_RegisterVariable (&cl_minfps_qualitypower);
 227         Cvar_RegisterVariable (&cl_minfps_qualityscale);
 228         Cvar_RegisterVariable (&cl_maxfps);
 229         Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
 230         Cvar_RegisterVariable (&cl_maxidlefps);
 231
 232         Cvar_RegisterVariable (&developer);
 233         Cvar_RegisterVariable (&developer_extra);
 234         Cvar_RegisterVariable (&developer_insane);
 235         Cvar_RegisterVariable (&developer_loadfile);
 236         Cvar_RegisterVariable (&developer_loading);
 237         Cvar_RegisterVariable (&developer_entityparsing);
 238
 239         Cvar_RegisterVariable (&timestamps);
 240         Cvar_RegisterVariable (&timeformat);
 241
 242         Cvar_RegisterVariable (&sv_writepicture_quality);
 243         Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
 244 }
 245
 246
 247 /*
 248 ===============
 249 Host_SaveConfig_f
 250
 251 Writes key bindings and archived cvars to config.cfg
 252 ===============
 253 */
 254 void Host_SaveConfig_to(const char *file)
 255 {
 256         qfile_t *f;
 257
 258 // dedicated servers initialize the host but don't parse and set the
 259 // config.cfg cvars
 260         // LordHavoc: don't save a config if it crashed in startup
 261         if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
 262         {
 263                 f = FS_OpenRealFile(file, "wb", false);
 264                 if (!f)
 265                 {
 266                         Con_Printf("Couldn't write %s.\n", file);
 267                         return;
 268                 }
 269
 270                 Key_WriteBindings (f);
 271                 Cvar_WriteVariables (f);
 272
 273                 FS_Close (f);
 274         }
 275 }
 276 void Host_SaveConfig(void)
 277 {
 278         Host_SaveConfig_to(CONFIGFILENAME);
 279 }
 280 void Host_SaveConfig_f(void)
 281 {
 282         const char *file = CONFIGFILENAME;
 283
 284         if(Cmd_Argc() >= 2) {
 285                 file = Cmd_Argv(1);
 286                 Con_Printf("Saving to %s\n", file);
 287         }
 288
 289         Host_SaveConfig_to(file);
 290 }
 291
 292 void Host_AddConfigText(void)
 293 {
 294         // set up the default startmap_sp and startmap_dm aliases (mods can
 295         // override these) and then execute the quake.rc startup script
 296         if (gamemode == GAME_NEHAHRA)
 297                 Cbuf_InsertText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
 298         else if (gamemode == GAME_TRANSFUSION)
 299                 Cbuf_InsertText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
 300         else if (gamemode == GAME_TEU)
 301                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
 302         else
 303                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
 304 }
 305
 306 /*
 307 ===============
 308 Host_LoadConfig_f
 309
 310 Resets key bindings and cvars to defaults and then reloads scripts
 311 ===============
 312 */
 313 void Host_LoadConfig_f(void)
 314 {
 315         // reset all cvars, commands and aliases to init values
 316         Cmd_RestoreInitState();
 317         // prepend a menu restart command to execute after the config
 318         Cbuf_InsertText("\nmenu_restart\n");
 319         // reset cvars to their defaults, and then exec startup scripts again
 320         Host_AddConfigText();
 321 }
 322
 323 /*
 324 =================
 325 SV_ClientPrint
 326
 327 Sends text across to be displayed
 328 FIXME: make this just a stuffed echo?
 329 =================
 330 */
 331 void SV_ClientPrint(const char *msg)
 332 {
 333         if (host_client->netconnection)
 334         {
 335                 MSG_WriteByte(&host_client->netconnection->message, svc_print);
 336                 MSG_WriteString(&host_client->netconnection->message, msg);
 337         }
 338 }
 339
 340 /*
 341 =================
 342 SV_ClientPrintf
 343
 344 Sends text across to be displayed
 345 FIXME: make this just a stuffed echo?
 346 =================
 347 */
 348 void SV_ClientPrintf(const char *fmt, ...)
 349 {
 350         va_list argptr;
 351         char msg[MAX_INPUTLINE];
 352
 353         va_start(argptr,fmt);
 354         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 355         va_end(argptr);
 356
 357         SV_ClientPrint(msg);
 358 }
 359
 360 /*
 361 =================
 362 SV_BroadcastPrint
 363
 364 Sends text to all active clients
 365 =================
 366 */
 367 void SV_BroadcastPrint(const char *msg)
 368 {
 369         int i;
 370         client_t *client;
 371
 372         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
 373         {
 374                 if (client->active && client->netconnection)
 375                 {
 376                         MSG_WriteByte(&client->netconnection->message, svc_print);
 377                         MSG_WriteString(&client->netconnection->message, msg);
 378                 }
 379         }
 380
 381         if (sv_echobprint.integer && cls.state == ca_dedicated)
 382                 Con_Print(msg);
 383 }
 384
 385 /*
 386 =================
 387 SV_BroadcastPrintf
 388
 389 Sends text to all active clients
 390 =================
 391 */
 392 void SV_BroadcastPrintf(const char *fmt, ...)
 393 {
 394         va_list argptr;
 395         char msg[MAX_INPUTLINE];
 396
 397         va_start(argptr,fmt);
 398         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 399         va_end(argptr);
 400
 401         SV_BroadcastPrint(msg);
 402 }
 403
 404 /*
 405 =================
 406 Host_ClientCommands
 407
 408 Send text over to the client to be executed
 409 =================
 410 */
 411 void Host_ClientCommands(const char *fmt, ...)
 412 {
 413         va_list argptr;
 414         char string[MAX_INPUTLINE];
 415
 416         if (!host_client->netconnection)
 417                 return;
 418
 419         va_start(argptr,fmt);
 420         dpvsnprintf(string, sizeof(string), fmt, argptr);
 421         va_end(argptr);
 422
 423         MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
 424         MSG_WriteString(&host_client->netconnection->message, string);
 425 }
 426
 427 /*
 428 =====================
 429 SV_DropClient
 430
 431 Called when the player is getting totally kicked off the host
 432 if (crash = true), don't bother sending signofs
 433 =====================
 434 */
 435 void SV_DropClient(qboolean crash)
 436 {
 437         int i;
 438         Con_Printf("Client \"%s\" dropped\n", host_client->name);
 439
 440         SV_StopDemoRecording(host_client);
 441
 442         // make sure edict is not corrupt (from a level change for example)
 443         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
 444
 445         if (host_client->netconnection)
 446         {
 447                 // tell the client to be gone
 448                 if (!crash)
 449                 {
 450                         // LordHavoc: no opportunity for resending, so use unreliable 3 times
 451                         unsigned char bufdata[8];
 452                         sizebuf_t buf;
 453                         memset(&buf, 0, sizeof(buf));
 454                         buf.data = bufdata;
 455                         buf.maxsize = sizeof(bufdata);
 456                         MSG_WriteByte(&buf, svc_disconnect);
 457                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 458                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 459                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 460                 }
 461         }
 462
 463         // call qc ClientDisconnect function
 464         // LordHavoc: don't call QC if server is dead (avoids recursive
 465         // Host_Error in some mods when they run out of edicts)
 466         if (host_client->clientconnectcalled && sv.active && host_client->edict)
 467         {
 468                 // call the prog function for removing a client
 469                 // this will set the body to a dead frame, among other things
 470                 int saveSelf = PRVM_serverglobaledict(self);
 471                 host_client->clientconnectcalled = false;
 472                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
 473                 PRVM_ExecuteProgram(PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
 474                 PRVM_serverglobaledict(self) = saveSelf;
 475         }
 476
 477         if (host_client->netconnection)
 478         {
 479                 // break the net connection
 480                 NetConn_Close(host_client->netconnection);
 481                 host_client->netconnection = NULL;
 482         }
 483
 484         // if a download is active, close it
 485         if (host_client->download_file)
 486         {
 487                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
 488                 FS_Close(host_client->download_file);
 489                 host_client->download_file = NULL;
 490                 host_client->download_name[0] = 0;
 491                 host_client->download_expectedposition = 0;
 492                 host_client->download_started = false;
 493         }
 494
 495         // remove leaving player from scoreboard
 496         host_client->name[0] = 0;
 497         host_client->colors = 0;
 498         host_client->frags = 0;
 499         // send notification to all clients
 500         // get number of client manually just to make sure we get it right...
 501         i = host_client - svs.clients;
 502         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
 503         MSG_WriteByte (&sv.reliable_datagram, i);
 504         MSG_WriteString (&sv.reliable_datagram, host_client->name);
 505         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
 506         MSG_WriteByte (&sv.reliable_datagram, i);
 507         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
 508         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
 509         MSG_WriteByte (&sv.reliable_datagram, i);
 510         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
 511
 512         // free the client now
 513         if (host_client->entitydatabase)
 514                 EntityFrame_FreeDatabase(host_client->entitydatabase);
 515         if (host_client->entitydatabase4)
 516                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
 517         if (host_client->entitydatabase5)
 518                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
 519
 520         if (sv.active)
 521         {
 522                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
 523                 PRVM_ED_ClearEdict(host_client->edict);
 524         }
 525
 526         // clear the client struct (this sets active to false)
 527         memset(host_client, 0, sizeof(*host_client));
 528
 529         // update server listing on the master because player count changed
 530         // (which the master uses for filtering empty/full servers)
 531         NetConn_Heartbeat(1);
 532
 533         if (sv.loadgame)
 534         {
 535                 for (i = 0;i < svs.maxclients;i++)
 536                         if (svs.clients[i].active && !svs.clients[i].spawned)
 537                                 break;
 538                 if (i == svs.maxclients)
 539                 {
 540                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
 541                         sv.paused = sv.loadgame = false; // we're basically done with loading now
 542                 }
 543         }
 544 }
 545
 546 /*
 547 ==================
 548 Host_ShutdownServer
 549
 550 This only happens at the end of a game, not between levels
 551 ==================
 552 */
 553 void Host_ShutdownServer(void)
 554 {
 555         int i;
 556
 557         Con_DPrintf("Host_ShutdownServer\n");
 558
 559         if (!sv.active)
 560                 return;
 561
 562         NetConn_Heartbeat(2);
 563         NetConn_Heartbeat(2);
 564
 565 // make sure all the clients know we're disconnecting
 566         SV_VM_Begin();
 567         World_End(&sv.world);
 568         if(prog->loaded)
 569                 if(PRVM_serverfunction(SV_Shutdown))
 570                 {
 571                         func_t s = PRVM_serverfunction(SV_Shutdown);
 572                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
 573                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
 574                 }
 575         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 576                 if (host_client->active)
 577                         SV_DropClient(false); // server shutdown
 578         SV_VM_End();
 579
 580         NetConn_CloseServerPorts();
 581
 582         sv.active = false;
 583 //
 584 // clear structures
 585 //
 586         memset(&sv, 0, sizeof(sv));
 587         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
 588 }
 589
 590
 591 //============================================================================
 592
 593 /*
 594 ===================
 595 Host_GetConsoleCommands
 596
 597 Add them exactly as if they had been typed at the console
 598 ===================
 599 */
 600 void Host_GetConsoleCommands (void)
 601 {
 602         char *cmd;
 603
 604         while (1)
 605         {
 606                 cmd = Sys_ConsoleInput ();
 607                 if (!cmd)
 608                         break;
 609                 Cbuf_AddText (cmd);
 610         }
 611 }
 612
 613 /*
 614 ==================
 615 Host_TimeReport
 616
 617 Returns a time report string, for example for
 618 ==================
 619 */
 620 const char *Host_TimingReport(void)
 621 {
 622         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);
 623 }
 624
 625 /*
 626 ==================
 627 Host_Frame
 628
 629 Runs all active servers
 630 ==================
 631 */
 632 static void Host_Init(void);
 633 void Host_Main(void)
 634 {
 635         double time1 = 0;
 636         double time2 = 0;
 637         double time3 = 0;
 638         double cl_timer, sv_timer;
 639         double clframetime, deltarealtime, oldrealtime;
 640         double wait;
 641         int pass1, pass2, pass3, i;
 642
 643         Host_Init();
 644
 645         cl_timer = 0;
 646         sv_timer = 0;
 647
 648         realtime = host_starttime = Sys_DoubleTime();
 649         for (;;)
 650         {
 651                 if (setjmp(host_abortframe))
 652                 {
 653                         SCR_ClearLoadingScreen(false);
 654                         continue;                       // something bad happened, or the server disconnected
 655                 }
 656
 657                 oldrealtime = realtime;
 658                 realtime = Sys_DoubleTime();
 659
 660                 deltarealtime = realtime - oldrealtime;
 661                 cl_timer += deltarealtime;
 662                 sv_timer += deltarealtime;
 663
 664                 svs.perf_acc_realtime += deltarealtime;
 665
 666                 // Look for clients who have spawned
 667                 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 668                         if(host_client->spawned)
 669                                 if(host_client->netconnection)
 670                                         break;
 671                 if(i == svs.maxclients)
 672                 {
 673                         // Nobody is looking? Then we won't do timing...
 674                         // Instead, reset it to zero
 675                         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;
 676                 }
 677                 else if(svs.perf_acc_realtime > 5)
 678                 {
 679                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
 680                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
 681                         if(svs.perf_acc_offset_samples > 0)
 682                         {
 683                                 svs.perf_offset_max = svs.perf_acc_offset_max;
 684                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
 685                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
 686                         }
 687                         if(svs.perf_lost > 0 && developer_extra.integer)
 688                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
 689                         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;
 690                 }
 691
 692                 if (slowmo.value < 0.00001 && slowmo.value != 0)
 693                         Cvar_SetValue("slowmo", 0);
 694                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
 695                         Cvar_SetValue("host_framerate", 0);
 696
 697                 // keep the random time dependent, but not when playing demos/benchmarking
 698                 if(!*sv_random_seed.string && !cls.demoplayback)
 699                         rand();
 700
 701                 cl.islocalgame = NetConn_IsLocalGame();
 702
 703                 // get new key events
 704                 Key_EventQueue_Unblock();
 705                 SndSys_SendKeyEvents();
 706                 Sys_SendKeyEvents();
 707
 708                 NetConn_UpdateSockets();
 709
 710                 Log_DestBuffer_Flush();
 711
 712                 // receive packets on each main loop iteration, as the main loop may
 713                 // be undersleeping due to select() detecting a new packet
 714                 if (sv.active)
 715                         NetConn_ServerFrame();
 716
 717                 Curl_Run();
 718
 719                 // check for commands typed to the host
 720                 Host_GetConsoleCommands();
 721
 722                 // when a server is running we only execute console commands on server frames
 723                 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
 724                 // otherwise we execute them on client frames
 725                 if (sv.active ? sv_timer > 0 : cl_timer > 0)
 726                 {
 727                         // process console commands
 728 //                      R_TimeReport("preconsole");
 729                         CL_VM_PreventInformationLeaks();
 730                         Cbuf_Execute();
 731 //                      R_TimeReport("console");
 732                 }
 733
 734                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
 735
 736                 // if the accumulators haven't become positive yet, wait a while
 737                 if (cls.state == ca_dedicated)
 738                         wait = sv_timer * -1000000.0;
 739                 else if (!sv.active)
 740                         wait = cl_timer * -1000000.0;
 741                 else
 742                         wait = max(cl_timer, sv_timer) * -1000000.0;
 743
 744                 if (!cls.timedemo && wait >= 1)
 745                 {
 746                         double time0;
 747
 748                         if(host_maxwait.value <= 0)
 749                                 wait = min(wait, 1000000.0);
 750                         else
 751                                 wait = min(wait, host_maxwait.value * 1000.0);
 752                         if(wait < 1)
 753                                 wait = 1; // because we cast to int
 754
 755                         time0 = Sys_DoubleTime();
 756                         if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
 757                                 NetConn_SleepMicroseconds((int)wait);
 758                         else
 759                                 Sys_Sleep((int)wait);
 760                         svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
 761 //                      R_TimeReport("sleep");
 762                         continue;
 763                 }
 764
 765                 R_TimeReport("---");
 766
 767         //-------------------
 768         //
 769         // server operations
 770         //
 771         //-------------------
 772
 773                 // limit the frametime steps to no more than 100ms each
 774                 if (cl_timer > 0.1)
 775                         cl_timer = 0.1;
 776                 if (sv_timer > 0.1)
 777                 {
 778                         svs.perf_acc_lost += (sv_timer - 0.1);
 779                         sv_timer = 0.1;
 780                 }
 781
 782                 if (sv.active && sv_timer > 0)
 783                 {
 784                         // execute one or more server frames, with an upper limit on how much
 785                         // execution time to spend on server frames to avoid freezing the game if
 786                         // the server is overloaded, this execution time limit means the game will
 787                         // slow down if the server is taking too long.
 788                         int framecount, framelimit = 1;
 789                         double advancetime, aborttime = 0;
 790                         float offset;
 791
 792                         if (cls.state == ca_dedicated)
 793                                 Collision_Cache_NewFrame();
 794
 795                         // run the world state
 796                         // don't allow simulation to run too fast or too slow or logic glitches can occur
 797
 798                         // stop running server frames if the wall time reaches this value
 799                         if (sys_ticrate.value <= 0)
 800                                 advancetime = sv_timer;
 801                         else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
 802                         {
 803                                 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
 804                                 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
 805                                 framelimit = 10;
 806                                 aborttime = realtime + 0.1;
 807                         }
 808                         else
 809                         {
 810                                 advancetime = sys_ticrate.value;
 811                                 // listen servers can run multiple server frames per client frame
 812                                 if (cls.state == ca_connected)
 813                                 {
 814                                         framelimit = 10;
 815                                         aborttime = realtime + 0.1;
 816                                 }
 817                         }
 818                         if(slowmo.value > 0 && slowmo.value < 1)
 819                                 advancetime = min(advancetime, 0.1 / slowmo.value);
 820                         else
 821                                 advancetime = min(advancetime, 0.1);
 822
 823                         if(advancetime > 0)
 824                         {
 825                                 offset = sv_timer + (Sys_DoubleTime() - realtime);
 826                                 ++svs.perf_acc_offset_samples;
 827                                 svs.perf_acc_offset += offset;
 828                                 svs.perf_acc_offset_squared += offset * offset;
 829                                 if(svs.perf_acc_offset_max < offset)
 830                                         svs.perf_acc_offset_max = offset;
 831                         }
 832
 833                         // only advance time if not paused
 834                         // the game also pauses in singleplayer when menu or console is used
 835                         sv.frametime = advancetime * slowmo.value;
 836                         if (host_framerate.value)
 837                                 sv.frametime = host_framerate.value;
 838                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 839                                 sv.frametime = 0;
 840
 841                         // setup the VM frame
 842                         SV_VM_Begin();
 843
 844                         for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
 845                         {
 846                                 sv_timer -= advancetime;
 847
 848                                 // move things around and think unless paused
 849                                 if (sv.frametime)
 850                                         SV_Physics();
 851
 852                                 // if this server frame took too long, break out of the loop
 853                                 if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
 854                                         break;
 855                         }
 856                         R_TimeReport("serverphysics");
 857
 858                         // send all messages to the clients
 859                         SV_SendClientMessages();
 860
 861                         if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
 862                                 prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
 863                                 PRVM_ExecuteProgram(PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
 864                         }
 865
 866                         // end the server VM frame
 867                         SV_VM_End();
 868
 869                         // send an heartbeat if enough time has passed since the last one
 870                         NetConn_Heartbeat(0);
 871                         R_TimeReport("servernetwork");
 872                 }
 873                 else
 874                 {
 875                         // don't let r_speeds display jump around
 876                         R_TimeReport("serverphysics");
 877                         R_TimeReport("servernetwork");
 878                 }
 879
 880         //-------------------
 881         //
 882         // client operations
 883         //
 884         //-------------------
 885
 886                 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
 887                 {
 888                         R_TimeReport("---");
 889                         Collision_Cache_NewFrame();
 890                         R_TimeReport("collisioncache");
 891                         // decide the simulation time
 892                         if (cls.capturevideo.active)
 893                         {
 894                                 //***
 895                                 if (cls.capturevideo.realtime)
 896                                         clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
 897                                 else
 898                                 {
 899                                         clframetime = 1.0 / cls.capturevideo.framerate;
 900                                         cl.realframetime = max(cl_timer, clframetime);
 901                                 }
 902                         }
 903                         else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
 904                         {
 905                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
 906                                 // when running slow, we need to sleep to keep input responsive
 907                                 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
 908                                 if (wait > 0)
 909                                         Sys_Sleep((int)wait);
 910                         }
 911                         else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
 912                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
 913                         else
 914                                 clframetime = cl.realframetime = cl_timer;
 915
 916                         // apply slowmo scaling
 917                         clframetime *= cl.movevars_timescale;
 918                         // scale playback speed of demos by slowmo cvar
 919                         if (cls.demoplayback)
 920                         {
 921                                 clframetime *= slowmo.value;
 922                                 // if demo playback is paused, don't advance time at all
 923                                 if (cls.demopaused)
 924                                         clframetime = 0;
 925                         }
 926
 927                         // host_framerate overrides all else
 928                         if (host_framerate.value)
 929                                 clframetime = host_framerate.value;
 930
 931                         if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 932                                 clframetime = 0;
 933
 934                         if (cls.timedemo)
 935                                 clframetime = cl.realframetime = cl_timer;
 936
 937                         // deduct the frame time from the accumulator
 938                         cl_timer -= cl.realframetime;
 939
 940                         cl.oldtime = cl.time;
 941                         cl.time += clframetime;
 942
 943                         // update video
 944                         if (host_speeds.integer)
 945                                 time1 = Sys_DoubleTime();
 946                         R_TimeReport("pre-input");
 947
 948                         // Collect input into cmd
 949                         CL_Input();
 950
 951                         R_TimeReport("input");
 952
 953                         // check for new packets
 954                         NetConn_ClientFrame();
 955
 956                         // read a new frame from a demo if needed
 957                         CL_ReadDemoMessage();
 958                         R_TimeReport("clientnetwork");
 959
 960                         // now that packets have been read, send input to server
 961                         CL_SendMove();
 962                         R_TimeReport("sendmove");
 963
 964                         // update client world (interpolate entities, create trails, etc)
 965                         CL_UpdateWorld();
 966                         R_TimeReport("lerpworld");
 967
 968                         CL_Video_Frame();
 969
 970                         R_TimeReport("client");
 971
 972                         CL_UpdateScreen();
 973                         R_TimeReport("render");
 974
 975                         if (host_speeds.integer)
 976                                 time2 = Sys_DoubleTime();
 977
 978                         // update audio
 979                         if(cl.csqc_usecsqclistener)
 980                         {
 981                                 S_Update(&cl.csqc_listenermatrix);
 982                                 cl.csqc_usecsqclistener = false;
 983                         }
 984                         else
 985                                 S_Update(&r_refdef.view.matrix);
 986
 987                         CDAudio_Update();
 988                         R_TimeReport("audio");
 989
 990                         // reset gathering of mouse input
 991                         in_mouse_x = in_mouse_y = 0;
 992
 993                         if (host_speeds.integer)
 994                         {
 995                                 pass1 = (int)((time1 - time3)*1000000);
 996                                 time3 = Sys_DoubleTime();
 997                                 pass2 = (int)((time2 - time1)*1000000);
 998                                 pass3 = (int)((time3 - time2)*1000000);
 999                                 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
1000                                                         pass1+pass2+pass3, pass1, pass2, pass3);
1001                         }
1002                 }
1003
1004 #if MEMPARANOIA
1005                 Mem_CheckSentinelsGlobal();
1006 #else
1007                 if (developer_memorydebug.integer)
1008                         Mem_CheckSentinelsGlobal();
1009 #endif
1010
1011                 // if there is some time remaining from this frame, reset the timers
1012                 if (cl_timer >= 0)
1013                         cl_timer = 0;
1014                 if (sv_timer >= 0)
1015                 {
1016                         svs.perf_acc_lost += sv_timer;
1017                         sv_timer = 0;
1018                 }
1019
1020                 host_framecount++;
1021         }
1022 }
1023
1024 //============================================================================
1025
1026 qboolean vid_opened = false;
1027 void Host_StartVideo(void)
1028 {
1029         if (!vid_opened && cls.state != ca_dedicated)
1030         {
1031                 vid_opened = true;
1032                 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1033                 NetConn_UpdateSockets();
1034                 VID_Start();
1035                 CDAudio_Startup();
1036         }
1037 }
1038
1039 char engineversion[128];
1040
1041 qboolean sys_nostdout = false;
1042
1043 extern void u8_Init(void);
1044 extern void Render_Init(void);
1045 extern void Mathlib_Init(void);
1046 extern void FS_Init_SelfPack(void);
1047 extern void FS_Init(void);
1048 extern void FS_Shutdown(void);
1049 extern void PR_Cmd_Init(void);
1050 extern void COM_Init_Commands(void);
1051 extern void FS_Init_Commands(void);
1052 extern qboolean host_stuffcmdsrun;
1053
1054 /*
1055 ====================
1056 Host_Init
1057 ====================
1058 */
1059 static void Host_Init (void)
1060 {
1061         int i;
1062         const char* os;
1063
1064         if (COM_CheckParm("-profilegameonly"))
1065                 Sys_AllowProfiling(false);
1066
1067         // LordHavoc: quake never seeded the random number generator before... heh
1068         if (COM_CheckParm("-benchmark"))
1069                 srand(0); // predictable random sequence for -benchmark
1070         else
1071                 srand((unsigned int)time(NULL));
1072
1073         // FIXME: this is evil, but possibly temporary
1074         // LordHavoc: doesn't seem very temporary...
1075         // LordHavoc: made this a saved cvar
1076 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1077         if (COM_CheckParm("-developer"))
1078         {
1079                 developer.value = developer.integer = 1;
1080                 developer.string = "1";
1081         }
1082
1083         if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
1084         {
1085                 developer.value = developer.integer = 1;
1086                 developer.string = "1";
1087                 developer_extra.value = developer_extra.integer = 1;
1088                 developer_extra.string = "1";
1089                 developer_insane.value = developer_insane.integer = 1;
1090                 developer_insane.string = "1";
1091                 developer_memory.value = developer_memory.integer = 1;
1092                 developer_memory.string = "1";
1093                 developer_memorydebug.value = developer_memorydebug.integer = 1;
1094                 developer_memorydebug.string = "1";
1095         }
1096
1097         if (COM_CheckParm("-developer3"))
1098         {
1099                 gl_paranoid.integer = 1;gl_paranoid.string = "1";
1100                 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
1101         }
1102
1103 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1104         if (COM_CheckParm("-nostdout"))
1105                 sys_nostdout = 1;
1106
1107         // used by everything
1108         Memory_Init();
1109
1110         // initialize console command/cvar/alias/command execution systems
1111         Cmd_Init();
1112
1113         // initialize memory subsystem cvars/commands
1114         Memory_Init_Commands();
1115
1116         // initialize console and logging and its cvars/commands
1117         Con_Init();
1118
1119         // initialize various cvars that could not be initialized earlier
1120         u8_Init();
1121         Curl_Init_Commands();
1122         Cmd_Init_Commands();
1123         Sys_Init_Commands();
1124         COM_Init_Commands();
1125         FS_Init_Commands();
1126
1127         // initialize console window (only used by sys_win.c)
1128         Sys_InitConsole();
1129
1130         // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1131         FS_Init_SelfPack();
1132
1133         // detect gamemode from commandline options or executable name
1134         COM_InitGameType();
1135
1136         // construct a version string for the corner of the console
1137         os = DP_OS_NAME;
1138         dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1139         Con_Printf("%s\n", engineversion);
1140
1141         // initialize ixtable
1142         Mathlib_Init();
1143
1144         // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1145         FS_Init();
1146
1147         // must be after FS_Init
1148         Crypto_Init();
1149         Crypto_Init_Commands();
1150
1151         NetConn_Init();
1152         Curl_Init();
1153         //PR_Init();
1154         //PR_Cmd_Init();
1155         PRVM_Init();
1156         Mod_Init();
1157         World_Init();
1158         SV_Init();
1159         V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1160         Host_InitCommands();
1161         Host_InitLocal();
1162         Host_ServerOptions();
1163
1164         if (cls.state == ca_dedicated)
1165                 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1166         else
1167         {
1168                 Con_DPrintf("Initializing client\n");
1169
1170                 R_Modules_Init();
1171                 Palette_Init();
1172                 MR_Init_Commands();
1173                 Thread_Init();
1174                 VID_Shared_Init();
1175                 VID_Init();
1176                 Render_Init();
1177                 S_Init();
1178                 CDAudio_Init();
1179                 Key_Init();
1180                 CL_Init();
1181         }
1182
1183         // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1184         // NOTE: menu commands are freed by Cmd_RestoreInitState
1185         Cmd_SaveInitState();
1186
1187         // FIXME: put this into some neat design, but the menu should be allowed to crash
1188         // without crashing the whole game, so this should just be a short-time solution
1189
1190         // here comes the not so critical stuff
1191         if (setjmp(host_abortframe)) {
1192                 return;
1193         }
1194
1195         Host_AddConfigText();
1196         Cbuf_Execute();
1197
1198         // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1199         if (!host_stuffcmdsrun)
1200         {
1201                 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1202                 Cbuf_Execute();
1203         }
1204
1205         // put up the loading image so the user doesn't stare at a black screen...
1206         SCR_BeginLoadingPlaque();
1207
1208         if (cls.state != ca_dedicated)
1209         {
1210                 MR_Init();
1211         }
1212
1213         // check for special benchmark mode
1214 // 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)
1215         i = COM_CheckParm("-benchmark");
1216         if (i && i + 1 < com_argc)
1217         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1218         {
1219                 Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
1220                 Cbuf_Execute();
1221         }
1222
1223         // check for special demo mode
1224 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1225         i = COM_CheckParm("-demo");
1226         if (i && i + 1 < com_argc)
1227         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1228         {
1229                 Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
1230                 Cbuf_Execute();
1231         }
1232
1233 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1234         i = COM_CheckParm("-capturedemo");
1235         if (i && i + 1 < com_argc)
1236         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1237         {
1238                 Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1239                 Cbuf_Execute();
1240         }
1241
1242         if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1243         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1244         {
1245                 Cbuf_AddText("startmap_dm\n");
1246                 Cbuf_Execute();
1247         }
1248
1249         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1250         {
1251                 Cbuf_AddText("togglemenu\n");
1252                 Cbuf_Execute();
1253         }
1254
1255         Con_DPrint("========Initialized=========\n");
1256
1257         //Host_StartVideo();
1258 }
1259
1260
1261 /*
1262 ===============
1263 Host_Shutdown
1264
1265 FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
1266 to run quit through here before the final handoff to the sys code.
1267 ===============
1268 */
1269 void Host_Shutdown(void)
1270 {
1271         static qboolean isdown = false;
1272
1273         if (isdown)
1274         {
1275                 Con_Print("recursive shutdown\n");
1276                 return;
1277         }
1278         if (setjmp(host_abortframe))
1279         {
1280                 Con_Print("aborted the quitting frame?!?\n");
1281                 return;
1282         }
1283         isdown = true;
1284
1285         // be quiet while shutting down
1286         S_StopAllSounds();
1287
1288         // disconnect client from server if active
1289         CL_Disconnect();
1290
1291         // shut down local server if active
1292         Host_ShutdownServer ();
1293
1294         // Shutdown menu
1295         if(MR_Shutdown)
1296                 MR_Shutdown();
1297
1298         // AK shutdown PRVM
1299         // AK hmm, no PRVM_Shutdown(); yet
1300
1301         CL_Video_Shutdown();
1302
1303         Host_SaveConfig();
1304
1305         CDAudio_Shutdown ();
1306         S_Terminate ();
1307         Curl_Shutdown ();
1308         NetConn_Shutdown ();
1309         //PR_Shutdown ();
1310
1311         if (cls.state != ca_dedicated)
1312         {
1313                 R_Modules_Shutdown();
1314                 VID_Shutdown();
1315                 Thread_Shutdown();
1316         }
1317
1318         Cmd_Shutdown();
1319         Key_Shutdown();
1320         CL_Shutdown();
1321         Sys_Shutdown();
1322         Log_Close();
1323         Crypto_Shutdown();
1324         FS_Shutdown();
1325         Con_Shutdown();
1326         Memory_Shutdown();
1327 }
1328