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 cvar_t cl_maxphysicsframesperserverframe = {0, "cl_maxphysicsframesperserverframe","10", "maximum number of physics frames per server frame"};
  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         // in case we were previously nice, make us mean again
  96         Sys_MakeProcessMean();
  97
  98         longjmp (host_abortframe, 1);
  99 }
 100
 101 /*
 102 ================
 103 Host_Error
 104
 105 This shuts down both the client and server
 106 ================
 107 */
 108 void Host_Error (const char *error, ...)
 109 {
 110         static char hosterrorstring1[MAX_INPUTLINE];
 111         static char hosterrorstring2[MAX_INPUTLINE];
 112         static qboolean hosterror = false;
 113         va_list argptr;
 114
 115         // turn off rcon redirect if it was active when the crash occurred
 116         // to prevent loops when it is a networking problem
 117         Con_Rcon_Redirect_Abort();
 118
 119         va_start (argptr,error);
 120         dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
 121         va_end (argptr);
 122
 123         Con_Printf("Host_Error: %s\n", hosterrorstring1);
 124
 125         // LordHavoc: if crashing very early, or currently shutting down, do
 126         // Sys_Error instead
 127         if (host_framecount < 3 || host_shuttingdown)
 128                 Sys_Error ("Host_Error: %s", hosterrorstring1);
 129
 130         if (hosterror)
 131                 Sys_Error ("Host_Error: recursively entered (original error was: %s    new error is: %s)", hosterrorstring2, hosterrorstring1);
 132         hosterror = true;
 133
 134         strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
 135
 136         CL_Parse_DumpPacket();
 137
 138         CL_Parse_ErrorCleanUp();
 139
 140         //PR_Crash();
 141
 142         // print out where the crash happened, if it was caused by QC (and do a cleanup)
 143         PRVM_Crash();
 144
 145
 146         Host_ShutdownServer ();
 147
 148         if (cls.state == ca_dedicated)
 149                 Sys_Error ("Host_Error: %s",hosterrorstring2);  // dedicated servers exit
 150
 151         CL_Disconnect ();
 152         cls.demonum = -1;
 153
 154         hosterror = false;
 155
 156         Host_AbortCurrentFrame();
 157 }
 158
 159 void Host_ServerOptions (void)
 160 {
 161         int i;
 162
 163         // general default
 164         svs.maxclients = 8;
 165
 166 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
 167 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
 168         // if no client is in the executable or -dedicated is specified on
 169         // commandline, start a dedicated server
 170         i = COM_CheckParm ("-dedicated");
 171         if (i || !cl_available)
 172         {
 173                 cls.state = ca_dedicated;
 174                 // check for -dedicated specifying how many players
 175                 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 176                         svs.maxclients = atoi (com_argv[i+1]);
 177                 if (COM_CheckParm ("-listen"))
 178                         Con_Printf ("Only one of -dedicated or -listen can be specified\n");
 179                 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
 180                 Cvar_SetValue("sv_public", 1);
 181         }
 182         else if (cl_available)
 183         {
 184                 // client exists and not dedicated, check if -listen is specified
 185                 cls.state = ca_disconnected;
 186                 i = COM_CheckParm ("-listen");
 187                 if (i)
 188                 {
 189                         // default players unless specified
 190                         if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 191                                 svs.maxclients = atoi (com_argv[i+1]);
 192                 }
 193                 else
 194                 {
 195                         // default players in some games, singleplayer in most
 196                         if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
 197                                 svs.maxclients = 1;
 198                 }
 199         }
 200
 201         svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
 202
 203         svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
 204
 205         if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
 206                 Cvar_SetValueQuick(&deathmatch, 1);
 207 }
 208
 209 /*
 210 =======================
 211 Host_InitLocal
 212 ======================
 213 */
 214 void Host_SaveConfig_f(void);
 215 void Host_LoadConfig_f(void);
 216 extern cvar_t sv_writepicture_quality;
 217 extern cvar_t r_texture_jpeg_fastpicmip;
 218 static void Host_InitLocal (void)
 219 {
 220         Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
 221         Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
 222
 223         Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
 224         Cvar_RegisterVariable (&host_framerate);
 225         Cvar_RegisterVariable (&host_speeds);
 226         Cvar_RegisterVariable (&host_maxwait);
 227         Cvar_RegisterVariable (&cl_minfps);
 228         Cvar_RegisterVariable (&cl_minfps_fade);
 229         Cvar_RegisterVariable (&cl_minfps_qualitymax);
 230         Cvar_RegisterVariable (&cl_minfps_qualitymin);
 231         Cvar_RegisterVariable (&cl_minfps_qualitypower);
 232         Cvar_RegisterVariable (&cl_minfps_qualityscale);
 233         Cvar_RegisterVariable (&cl_maxfps);
 234         Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
 235         Cvar_RegisterVariable (&cl_maxidlefps);
 236
 237         Cvar_RegisterVariable (&developer);
 238         Cvar_RegisterVariable (&developer_extra);
 239         Cvar_RegisterVariable (&developer_insane);
 240         Cvar_RegisterVariable (&developer_loadfile);
 241         Cvar_RegisterVariable (&developer_loading);
 242         Cvar_RegisterVariable (&developer_entityparsing);
 243
 244         Cvar_RegisterVariable (&timestamps);
 245         Cvar_RegisterVariable (&timeformat);
 246
 247         Cvar_RegisterVariable (&sv_writepicture_quality);
 248         Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
 249 }
 250
 251
 252 /*
 253 ===============
 254 Host_SaveConfig_f
 255
 256 Writes key bindings and archived cvars to config.cfg
 257 ===============
 258 */
 259 void Host_SaveConfig_to(const char *file)
 260 {
 261         qfile_t *f;
 262
 263 // dedicated servers initialize the host but don't parse and set the
 264 // config.cfg cvars
 265         // LordHavoc: don't save a config if it crashed in startup
 266         if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
 267         {
 268                 f = FS_OpenRealFile(file, "wb", false);
 269                 if (!f)
 270                 {
 271                         Con_Printf("Couldn't write %s.\n", file);
 272                         return;
 273                 }
 274
 275                 Key_WriteBindings (f);
 276                 Cvar_WriteVariables (f);
 277
 278                 FS_Close (f);
 279         }
 280 }
 281 void Host_SaveConfig(void)
 282 {
 283         Host_SaveConfig_to(CONFIGFILENAME);
 284 }
 285 void Host_SaveConfig_f(void)
 286 {
 287         const char *file = CONFIGFILENAME;
 288
 289         if(Cmd_Argc() >= 2) {
 290                 file = Cmd_Argv(1);
 291                 Con_Printf("Saving to %s\n", file);
 292         }
 293
 294         Host_SaveConfig_to(file);
 295 }
 296
 297 void Host_AddConfigText(void)
 298 {
 299         // set up the default startmap_sp and startmap_dm aliases (mods can
 300         // override these) and then execute the quake.rc startup script
 301         if (gamemode == GAME_NEHAHRA)
 302                 Cbuf_InsertText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
 303         else if (gamemode == GAME_TRANSFUSION)
 304                 Cbuf_InsertText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
 305         else if (gamemode == GAME_TEU)
 306                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
 307         else
 308                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
 309 }
 310
 311 /*
 312 ===============
 313 Host_LoadConfig_f
 314
 315 Resets key bindings and cvars to defaults and then reloads scripts
 316 ===============
 317 */
 318 void Host_LoadConfig_f(void)
 319 {
 320         // reset all cvars, commands and aliases to init values
 321         Cmd_RestoreInitState();
 322         // prepend a menu restart command to execute after the config
 323         Cbuf_InsertText("\nmenu_restart\n");
 324         // reset cvars to their defaults, and then exec startup scripts again
 325         Host_AddConfigText();
 326 }
 327
 328 /*
 329 =================
 330 SV_ClientPrint
 331
 332 Sends text across to be displayed
 333 FIXME: make this just a stuffed echo?
 334 =================
 335 */
 336 void SV_ClientPrint(const char *msg)
 337 {
 338         if (host_client->netconnection)
 339         {
 340                 MSG_WriteByte(&host_client->netconnection->message, svc_print);
 341                 MSG_WriteString(&host_client->netconnection->message, msg);
 342         }
 343 }
 344
 345 /*
 346 =================
 347 SV_ClientPrintf
 348
 349 Sends text across to be displayed
 350 FIXME: make this just a stuffed echo?
 351 =================
 352 */
 353 void SV_ClientPrintf(const char *fmt, ...)
 354 {
 355         va_list argptr;
 356         char msg[MAX_INPUTLINE];
 357
 358         va_start(argptr,fmt);
 359         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 360         va_end(argptr);
 361
 362         SV_ClientPrint(msg);
 363 }
 364
 365 /*
 366 =================
 367 SV_BroadcastPrint
 368
 369 Sends text to all active clients
 370 =================
 371 */
 372 void SV_BroadcastPrint(const char *msg)
 373 {
 374         int i;
 375         client_t *client;
 376
 377         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
 378         {
 379                 if (client->active && client->netconnection)
 380                 {
 381                         MSG_WriteByte(&client->netconnection->message, svc_print);
 382                         MSG_WriteString(&client->netconnection->message, msg);
 383                 }
 384         }
 385
 386         if (sv_echobprint.integer && cls.state == ca_dedicated)
 387                 Con_Print(msg);
 388 }
 389
 390 /*
 391 =================
 392 SV_BroadcastPrintf
 393
 394 Sends text to all active clients
 395 =================
 396 */
 397 void SV_BroadcastPrintf(const char *fmt, ...)
 398 {
 399         va_list argptr;
 400         char msg[MAX_INPUTLINE];
 401
 402         va_start(argptr,fmt);
 403         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 404         va_end(argptr);
 405
 406         SV_BroadcastPrint(msg);
 407 }
 408
 409 /*
 410 =================
 411 Host_ClientCommands
 412
 413 Send text over to the client to be executed
 414 =================
 415 */
 416 void Host_ClientCommands(const char *fmt, ...)
 417 {
 418         va_list argptr;
 419         char string[MAX_INPUTLINE];
 420
 421         if (!host_client->netconnection)
 422                 return;
 423
 424         va_start(argptr,fmt);
 425         dpvsnprintf(string, sizeof(string), fmt, argptr);
 426         va_end(argptr);
 427
 428         MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
 429         MSG_WriteString(&host_client->netconnection->message, string);
 430 }
 431
 432 /*
 433 =====================
 434 SV_DropClient
 435
 436 Called when the player is getting totally kicked off the host
 437 if (crash = true), don't bother sending signofs
 438 =====================
 439 */
 440 void SV_DropClient(qboolean crash)
 441 {
 442         int i;
 443         Con_Printf("Client \"%s\" dropped\n", host_client->name);
 444
 445         SV_StopDemoRecording(host_client);
 446
 447         // make sure edict is not corrupt (from a level change for example)
 448         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
 449
 450         if (host_client->netconnection)
 451         {
 452                 // tell the client to be gone
 453                 if (!crash)
 454                 {
 455                         // LordHavoc: no opportunity for resending, so use unreliable 3 times
 456                         unsigned char bufdata[8];
 457                         sizebuf_t buf;
 458                         memset(&buf, 0, sizeof(buf));
 459                         buf.data = bufdata;
 460                         buf.maxsize = sizeof(bufdata);
 461                         MSG_WriteByte(&buf, svc_disconnect);
 462                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 463                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 464                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 465                 }
 466         }
 467
 468         // call qc ClientDisconnect function
 469         // LordHavoc: don't call QC if server is dead (avoids recursive
 470         // Host_Error in some mods when they run out of edicts)
 471         if (host_client->clientconnectcalled && sv.active && host_client->edict)
 472         {
 473                 // call the prog function for removing a client
 474                 // this will set the body to a dead frame, among other things
 475                 int saveSelf = PRVM_serverglobaledict(self);
 476                 host_client->clientconnectcalled = false;
 477                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
 478                 PRVM_ExecuteProgram(PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
 479                 PRVM_serverglobaledict(self) = saveSelf;
 480         }
 481
 482         if (host_client->netconnection)
 483         {
 484                 // break the net connection
 485                 NetConn_Close(host_client->netconnection);
 486                 host_client->netconnection = NULL;
 487         }
 488
 489         // if a download is active, close it
 490         if (host_client->download_file)
 491         {
 492                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
 493                 FS_Close(host_client->download_file);
 494                 host_client->download_file = NULL;
 495                 host_client->download_name[0] = 0;
 496                 host_client->download_expectedposition = 0;
 497                 host_client->download_started = false;
 498         }
 499
 500         // remove leaving player from scoreboard
 501         host_client->name[0] = 0;
 502         host_client->colors = 0;
 503         host_client->frags = 0;
 504         // send notification to all clients
 505         // get number of client manually just to make sure we get it right...
 506         i = host_client - svs.clients;
 507         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
 508         MSG_WriteByte (&sv.reliable_datagram, i);
 509         MSG_WriteString (&sv.reliable_datagram, host_client->name);
 510         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
 511         MSG_WriteByte (&sv.reliable_datagram, i);
 512         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
 513         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
 514         MSG_WriteByte (&sv.reliable_datagram, i);
 515         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
 516
 517         // free the client now
 518         if (host_client->entitydatabase)
 519                 EntityFrame_FreeDatabase(host_client->entitydatabase);
 520         if (host_client->entitydatabase4)
 521                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
 522         if (host_client->entitydatabase5)
 523                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
 524
 525         if (sv.active)
 526         {
 527                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
 528                 PRVM_ED_ClearEdict(host_client->edict);
 529         }
 530
 531         // clear the client struct (this sets active to false)
 532         memset(host_client, 0, sizeof(*host_client));
 533
 534         // update server listing on the master because player count changed
 535         // (which the master uses for filtering empty/full servers)
 536         NetConn_Heartbeat(1);
 537
 538         if (sv.loadgame)
 539         {
 540                 for (i = 0;i < svs.maxclients;i++)
 541                         if (svs.clients[i].active && !svs.clients[i].spawned)
 542                                 break;
 543                 if (i == svs.maxclients)
 544                 {
 545                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
 546                         sv.paused = sv.loadgame = false; // we're basically done with loading now
 547                 }
 548         }
 549 }
 550
 551 /*
 552 ==================
 553 Host_ShutdownServer
 554
 555 This only happens at the end of a game, not between levels
 556 ==================
 557 */
 558 void Host_ShutdownServer(void)
 559 {
 560         int i;
 561
 562         Con_DPrintf("Host_ShutdownServer\n");
 563
 564         if (!sv.active)
 565                 return;
 566
 567         NetConn_Heartbeat(2);
 568         NetConn_Heartbeat(2);
 569
 570 // make sure all the clients know we're disconnecting
 571         SV_VM_Begin();
 572         World_End(&sv.world);
 573         if(prog->loaded)
 574                 if(PRVM_serverfunction(SV_Shutdown))
 575                 {
 576                         func_t s = PRVM_serverfunction(SV_Shutdown);
 577                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
 578                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
 579                 }
 580         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 581                 if (host_client->active)
 582                         SV_DropClient(false); // server shutdown
 583         SV_VM_End();
 584
 585         NetConn_CloseServerPorts();
 586
 587         sv.active = false;
 588 //
 589 // clear structures
 590 //
 591         memset(&sv, 0, sizeof(sv));
 592         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
 593 }
 594
 595
 596 //============================================================================
 597
 598 /*
 599 ===================
 600 Host_GetConsoleCommands
 601
 602 Add them exactly as if they had been typed at the console
 603 ===================
 604 */
 605 void Host_GetConsoleCommands (void)
 606 {
 607         char *cmd;
 608
 609         while (1)
 610         {
 611                 cmd = Sys_ConsoleInput ();
 612                 if (!cmd)
 613                         break;
 614                 Cbuf_AddText (cmd);
 615         }
 616 }
 617
 618 /*
 619 ==================
 620 Host_TimeReport
 621
 622 Returns a time report string, for example for
 623 ==================
 624 */
 625 const char *Host_TimingReport(void)
 626 {
 627         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);
 628 }
 629
 630 /*
 631 ==================
 632 Host_Frame
 633
 634 Runs all active servers
 635 ==================
 636 */
 637 static void Host_Init(void);
 638 void Host_Main(void)
 639 {
 640         double time1 = 0;
 641         double time2 = 0;
 642         double time3 = 0;
 643         double cl_timer, sv_timer;
 644         double clframetime, deltarealtime, oldrealtime;
 645         double wait;
 646         int pass1, pass2, pass3, i;
 647
 648         Host_Init();
 649
 650         cl_timer = 0;
 651         sv_timer = 0;
 652
 653         realtime = host_starttime = Sys_DoubleTime();
 654         for (;;)
 655         {
 656                 if (setjmp(host_abortframe))
 657                 {
 658                         SCR_ClearLoadingScreen(false);
 659                         continue;                       // something bad happened, or the server disconnected
 660                 }
 661
 662                 oldrealtime = realtime;
 663                 realtime = Sys_DoubleTime();
 664
 665                 deltarealtime = realtime - oldrealtime;
 666                 cl_timer += deltarealtime;
 667                 sv_timer += deltarealtime;
 668
 669                 svs.perf_acc_realtime += deltarealtime;
 670
 671                 // Look for clients who have spawned
 672                 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 673                         if(host_client->spawned)
 674                                 if(host_client->netconnection)
 675                                         break;
 676                 if(i == svs.maxclients)
 677                 {
 678                         // Nobody is looking? Then we won't do timing...
 679                         // Instead, reset it to zero
 680                         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;
 681                 }
 682                 else if(svs.perf_acc_realtime > 5)
 683                 {
 684                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
 685                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
 686                         if(svs.perf_acc_offset_samples > 0)
 687                         {
 688                                 svs.perf_offset_max = svs.perf_acc_offset_max;
 689                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
 690                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
 691                         }
 692                         if(svs.perf_lost > 0 && developer_extra.integer)
 693                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
 694                         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;
 695                 }
 696
 697                 if (slowmo.value < 0.00001 && slowmo.value != 0)
 698                         Cvar_SetValue("slowmo", 0);
 699                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
 700                         Cvar_SetValue("host_framerate", 0);
 701
 702                 // keep the random time dependent, but not when playing demos/benchmarking
 703                 if(!*sv_random_seed.string && !cls.demoplayback)
 704                         rand();
 705
 706                 cl.islocalgame = NetConn_IsLocalGame();
 707
 708                 // get new key events
 709                 Key_EventQueue_Unblock();
 710                 SndSys_SendKeyEvents();
 711                 Sys_SendKeyEvents();
 712
 713                 NetConn_UpdateSockets();
 714
 715                 Log_DestBuffer_Flush();
 716
 717                 // receive packets on each main loop iteration, as the main loop may
 718                 // be undersleeping due to select() detecting a new packet
 719                 if (sv.active)
 720                         NetConn_ServerFrame();
 721
 722                 Curl_Run();
 723
 724                 // check for commands typed to the host
 725                 Host_GetConsoleCommands();
 726
 727                 // when a server is running we only execute console commands on server frames
 728                 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
 729                 // otherwise we execute them on client frames
 730                 if (sv.active ? sv_timer > 0 : cl_timer > 0)
 731                 {
 732                         // process console commands
 733 //                      R_TimeReport("preconsole");
 734                         CL_VM_PreventInformationLeaks();
 735                         Cbuf_Execute();
 736 //                      R_TimeReport("console");
 737                 }
 738
 739                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
 740
 741                 // if the accumulators haven't become positive yet, wait a while
 742                 if (cls.state == ca_dedicated)
 743                         wait = sv_timer * -1000000.0;
 744                 else if (!sv.active)
 745                         wait = cl_timer * -1000000.0;
 746                 else
 747                         wait = max(cl_timer, sv_timer) * -1000000.0;
 748
 749                 if (!cls.timedemo && wait >= 1)
 750                 {
 751                         double time0;
 752
 753                         if(host_maxwait.value <= 0)
 754                                 wait = min(wait, 1000000.0);
 755                         else
 756                                 wait = min(wait, host_maxwait.value * 1000.0);
 757                         if(wait < 1)
 758                                 wait = 1; // because we cast to int
 759
 760                         time0 = Sys_DoubleTime();
 761                         if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
 762                                 NetConn_SleepMicroseconds((int)wait);
 763                         else
 764                                 Sys_Sleep((int)wait);
 765                         svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
 766 //                      R_TimeReport("sleep");
 767                         continue;
 768                 }
 769
 770                 R_TimeReport("---");
 771
 772         //-------------------
 773         //
 774         // server operations
 775         //
 776         //-------------------
 777
 778                 // limit the frametime steps to no more than 100ms each
 779                 if (cl_timer > 0.1)
 780                         cl_timer = 0.1;
 781                 if (sv_timer > 0.1)
 782                 {
 783                         svs.perf_acc_lost += (sv_timer - 0.1);
 784                         sv_timer = 0.1;
 785                 }
 786
 787                 if (sv.active && sv_timer > 0)
 788                 {
 789                         // execute one or more server frames, with an upper limit on how much
 790                         // execution time to spend on server frames to avoid freezing the game if
 791                         // the server is overloaded, this execution time limit means the game will
 792                         // slow down if the server is taking too long.
 793                         int framecount, framelimit = 1;
 794                         double advancetime, aborttime = 0;
 795                         float offset;
 796
 797                         if (cls.state == ca_dedicated)
 798                                 Collision_Cache_NewFrame();
 799
 800                         // run the world state
 801                         // don't allow simulation to run too fast or too slow or logic glitches can occur
 802
 803                         // stop running server frames if the wall time reaches this value
 804                         if (sys_ticrate.value <= 0)
 805                                 advancetime = sv_timer;
 806                         else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
 807                         {
 808                                 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
 809                                 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
 810                                 framelimit = cl_maxphysicsframesperserverframe.integer;
 811                                 aborttime = realtime + 0.1;
 812                         }
 813                         else
 814                         {
 815                                 advancetime = sys_ticrate.value;
 816                                 // listen servers can run multiple server frames per client frame
 817                                 if (cls.state == ca_connected)
 818                                 {
 819                                         framelimit = cl_maxphysicsframesperserverframe.integer;
 820                                         aborttime = realtime + 0.1;
 821                                 }
 822                         }
 823                         if(slowmo.value > 0 && slowmo.value < 1)
 824                                 advancetime = min(advancetime, 0.1 / slowmo.value);
 825                         else
 826                                 advancetime = min(advancetime, 0.1);
 827
 828                         if(advancetime > 0)
 829                         {
 830                                 offset = sv_timer + (Sys_DoubleTime() - realtime);
 831                                 ++svs.perf_acc_offset_samples;
 832                                 svs.perf_acc_offset += offset;
 833                                 svs.perf_acc_offset_squared += offset * offset;
 834                                 if(svs.perf_acc_offset_max < offset)
 835                                         svs.perf_acc_offset_max = offset;
 836                         }
 837
 838                         // only advance time if not paused
 839                         // the game also pauses in singleplayer when menu or console is used
 840                         sv.frametime = advancetime * slowmo.value;
 841                         if (host_framerate.value)
 842                                 sv.frametime = host_framerate.value;
 843                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 844                                 sv.frametime = 0;
 845
 846                         // setup the VM frame
 847                         SV_VM_Begin();
 848
 849                         for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
 850                         {
 851                                 sv_timer -= advancetime;
 852
 853                                 // move things around and think unless paused
 854                                 if (sv.frametime)
 855                                         SV_Physics();
 856
 857                                 // if this server frame took too long, break out of the loop
 858                                 if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
 859                                         break;
 860                         }
 861                         R_TimeReport("serverphysics");
 862
 863                         // send all messages to the clients
 864                         SV_SendClientMessages();
 865
 866                         if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
 867                                 prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
 868                                 PRVM_ExecuteProgram(PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
 869                         }
 870
 871                         // end the server VM frame
 872                         SV_VM_End();
 873
 874                         // send an heartbeat if enough time has passed since the last one
 875                         NetConn_Heartbeat(0);
 876                         R_TimeReport("servernetwork");
 877                 }
 878                 else
 879                 {
 880                         // don't let r_speeds display jump around
 881                         R_TimeReport("serverphysics");
 882                         R_TimeReport("servernetwork");
 883                 }
 884
 885         //-------------------
 886         //
 887         // client operations
 888         //
 889         //-------------------
 890
 891                 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
 892                 {
 893                         R_TimeReport("---");
 894                         Collision_Cache_NewFrame();
 895                         R_TimeReport("collisioncache");
 896                         // decide the simulation time
 897                         if (cls.capturevideo.active)
 898                         {
 899                                 //***
 900                                 if (cls.capturevideo.realtime)
 901                                         clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
 902                                 else
 903                                 {
 904                                         clframetime = 1.0 / cls.capturevideo.framerate;
 905                                         cl.realframetime = max(cl_timer, clframetime);
 906                                 }
 907                         }
 908                         else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
 909                         {
 910                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
 911                                 // when running slow, we need to sleep to keep input responsive
 912                                 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
 913                                 if (wait > 0)
 914                                         Sys_Sleep((int)wait);
 915                         }
 916                         else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
 917                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
 918                         else
 919                                 clframetime = cl.realframetime = cl_timer;
 920
 921                         // apply slowmo scaling
 922                         clframetime *= cl.movevars_timescale;
 923                         // scale playback speed of demos by slowmo cvar
 924                         if (cls.demoplayback)
 925                         {
 926                                 clframetime *= slowmo.value;
 927                                 // if demo playback is paused, don't advance time at all
 928                                 if (cls.demopaused)
 929                                         clframetime = 0;
 930                         }
 931
 932                         // host_framerate overrides all else
 933                         if (host_framerate.value)
 934                                 clframetime = host_framerate.value;
 935
 936                         if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 937                                 clframetime = 0;
 938
 939                         if (cls.timedemo)
 940                                 clframetime = cl.realframetime = cl_timer;
 941
 942                         // deduct the frame time from the accumulator
 943                         cl_timer -= cl.realframetime;
 944
 945                         cl.oldtime = cl.time;
 946                         cl.time += clframetime;
 947
 948                         // update video
 949                         if (host_speeds.integer)
 950                                 time1 = Sys_DoubleTime();
 951                         R_TimeReport("pre-input");
 952
 953                         // Collect input into cmd
 954                         CL_Input();
 955
 956                         R_TimeReport("input");
 957
 958                         // check for new packets
 959                         NetConn_ClientFrame();
 960
 961                         // read a new frame from a demo if needed
 962                         CL_ReadDemoMessage();
 963                         R_TimeReport("clientnetwork");
 964
 965                         // now that packets have been read, send input to server
 966                         CL_SendMove();
 967                         R_TimeReport("sendmove");
 968
 969                         // update client world (interpolate entities, create trails, etc)
 970                         CL_UpdateWorld();
 971                         R_TimeReport("lerpworld");
 972
 973                         CL_Video_Frame();
 974
 975                         R_TimeReport("client");
 976
 977                         CL_UpdateScreen();
 978                         R_TimeReport("render");
 979
 980                         if (host_speeds.integer)
 981                                 time2 = Sys_DoubleTime();
 982
 983                         // update audio
 984                         if(cl.csqc_usecsqclistener)
 985                         {
 986                                 S_Update(&cl.csqc_listenermatrix);
 987                                 cl.csqc_usecsqclistener = false;
 988                         }
 989                         else
 990                                 S_Update(&r_refdef.view.matrix);
 991
 992                         CDAudio_Update();
 993                         R_TimeReport("audio");
 994
 995                         // reset gathering of mouse input
 996                         in_mouse_x = in_mouse_y = 0;
 997
 998                         if (host_speeds.integer)
 999                         {
1000                                 pass1 = (int)((time1 - time3)*1000000);
1001                                 time3 = Sys_DoubleTime();
1002                                 pass2 = (int)((time2 - time1)*1000000);
1003                                 pass3 = (int)((time3 - time2)*1000000);
1004                                 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
1005                                                         pass1+pass2+pass3, pass1, pass2, pass3);
1006                         }
1007                 }
1008
1009 #if MEMPARANOIA
1010                 Mem_CheckSentinelsGlobal();
1011 #else
1012                 if (developer_memorydebug.integer)
1013                         Mem_CheckSentinelsGlobal();
1014 #endif
1015
1016                 // if there is some time remaining from this frame, reset the timers
1017                 if (cl_timer >= 0)
1018                         cl_timer = 0;
1019                 if (sv_timer >= 0)
1020                 {
1021                         svs.perf_acc_lost += sv_timer;
1022                         sv_timer = 0;
1023                 }
1024
1025                 host_framecount++;
1026         }
1027 }
1028
1029 //============================================================================
1030
1031 qboolean vid_opened = false;
1032 void Host_StartVideo(void)
1033 {
1034         if (!vid_opened && cls.state != ca_dedicated)
1035         {
1036                 vid_opened = true;
1037                 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1038                 NetConn_UpdateSockets();
1039                 VID_Start();
1040                 CDAudio_Startup();
1041         }
1042 }
1043
1044 char engineversion[128];
1045
1046 qboolean sys_nostdout = false;
1047
1048 extern void u8_Init(void);
1049 extern void Render_Init(void);
1050 extern void Mathlib_Init(void);
1051 extern void FS_Init_SelfPack(void);
1052 extern void FS_Init(void);
1053 extern void FS_Shutdown(void);
1054 extern void PR_Cmd_Init(void);
1055 extern void COM_Init_Commands(void);
1056 extern void FS_Init_Commands(void);
1057 extern qboolean host_stuffcmdsrun;
1058
1059 /*
1060 ====================
1061 Host_Init
1062 ====================
1063 */
1064 static void Host_Init (void)
1065 {
1066         int i;
1067         const char* os;
1068
1069         if (COM_CheckParm("-profilegameonly"))
1070                 Sys_AllowProfiling(false);
1071
1072         // LordHavoc: quake never seeded the random number generator before... heh
1073         if (COM_CheckParm("-benchmark"))
1074                 srand(0); // predictable random sequence for -benchmark
1075         else
1076                 srand((unsigned int)time(NULL));
1077
1078         // FIXME: this is evil, but possibly temporary
1079         // LordHavoc: doesn't seem very temporary...
1080         // LordHavoc: made this a saved cvar
1081 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1082         if (COM_CheckParm("-developer"))
1083         {
1084                 developer.value = developer.integer = 1;
1085                 developer.string = "1";
1086         }
1087
1088         if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
1089         {
1090                 developer.value = developer.integer = 1;
1091                 developer.string = "1";
1092                 developer_extra.value = developer_extra.integer = 1;
1093                 developer_extra.string = "1";
1094                 developer_insane.value = developer_insane.integer = 1;
1095                 developer_insane.string = "1";
1096                 developer_memory.value = developer_memory.integer = 1;
1097                 developer_memory.string = "1";
1098                 developer_memorydebug.value = developer_memorydebug.integer = 1;
1099                 developer_memorydebug.string = "1";
1100         }
1101
1102         if (COM_CheckParm("-developer3"))
1103         {
1104                 gl_paranoid.integer = 1;gl_paranoid.string = "1";
1105                 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
1106         }
1107
1108 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1109         if (COM_CheckParm("-nostdout"))
1110                 sys_nostdout = 1;
1111
1112         // used by everything
1113         Memory_Init();
1114
1115         // initialize console command/cvar/alias/command execution systems
1116         Cmd_Init();
1117
1118         // initialize memory subsystem cvars/commands
1119         Memory_Init_Commands();
1120
1121         // initialize console and logging and its cvars/commands
1122         Con_Init();
1123
1124         // initialize various cvars that could not be initialized earlier
1125         u8_Init();
1126         Curl_Init_Commands();
1127         Cmd_Init_Commands();
1128         Sys_Init_Commands();
1129         COM_Init_Commands();
1130         FS_Init_Commands();
1131
1132         // initialize console window (only used by sys_win.c)
1133         Sys_InitConsole();
1134
1135         // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1136         FS_Init_SelfPack();
1137
1138         // detect gamemode from commandline options or executable name
1139         COM_InitGameType();
1140
1141         // construct a version string for the corner of the console
1142         os = DP_OS_NAME;
1143         dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1144         Con_Printf("%s\n", engineversion);
1145
1146         // initialize process nice level
1147         Sys_InitProcessNice();
1148
1149         // initialize ixtable
1150         Mathlib_Init();
1151
1152         // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1153         FS_Init();
1154
1155         // must be after FS_Init
1156         Crypto_Init();
1157         Crypto_Init_Commands();
1158
1159         NetConn_Init();
1160         Curl_Init();
1161         //PR_Init();
1162         //PR_Cmd_Init();
1163         PRVM_Init();
1164         Mod_Init();
1165         World_Init();
1166         SV_Init();
1167         V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1168         Host_InitCommands();
1169         Host_InitLocal();
1170         Host_ServerOptions();
1171
1172         Thread_Init();
1173
1174         if (cls.state == ca_dedicated)
1175                 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1176         else
1177         {
1178                 Con_DPrintf("Initializing client\n");
1179
1180                 R_Modules_Init();
1181                 Palette_Init();
1182                 MR_Init_Commands();
1183                 VID_Shared_Init();
1184                 VID_Init();
1185                 Render_Init();
1186                 S_Init();
1187                 CDAudio_Init();
1188                 Key_Init();
1189                 CL_Init();
1190         }
1191
1192         // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1193         // NOTE: menu commands are freed by Cmd_RestoreInitState
1194         Cmd_SaveInitState();
1195
1196         // FIXME: put this into some neat design, but the menu should be allowed to crash
1197         // without crashing the whole game, so this should just be a short-time solution
1198
1199         // here comes the not so critical stuff
1200         if (setjmp(host_abortframe)) {
1201                 return;
1202         }
1203
1204         Host_AddConfigText();
1205         Cbuf_Execute();
1206
1207         // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1208         if (!host_stuffcmdsrun)
1209         {
1210                 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1211                 Cbuf_Execute();
1212         }
1213
1214         // put up the loading image so the user doesn't stare at a black screen...
1215         SCR_BeginLoadingPlaque();
1216
1217         if (cls.state != ca_dedicated)
1218         {
1219                 MR_Init();
1220         }
1221
1222         // check for special benchmark mode
1223 // 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)
1224         i = COM_CheckParm("-benchmark");
1225         if (i && i + 1 < com_argc)
1226         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1227         {
1228                 Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
1229                 Cbuf_Execute();
1230         }
1231
1232         // check for special demo mode
1233 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1234         i = COM_CheckParm("-demo");
1235         if (i && i + 1 < com_argc)
1236         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1237         {
1238                 Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
1239                 Cbuf_Execute();
1240         }
1241
1242 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1243         i = COM_CheckParm("-capturedemo");
1244         if (i && i + 1 < com_argc)
1245         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1246         {
1247                 Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1248                 Cbuf_Execute();
1249         }
1250
1251         if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1252         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1253         {
1254                 Cbuf_AddText("startmap_dm\n");
1255                 Cbuf_Execute();
1256         }
1257
1258         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1259         {
1260                 Cbuf_AddText("togglemenu\n");
1261                 Cbuf_Execute();
1262         }
1263
1264         Con_DPrint("========Initialized=========\n");
1265
1266         //Host_StartVideo();
1267 }
1268
1269
1270 /*
1271 ===============
1272 Host_Shutdown
1273
1274 FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
1275 to run quit through here before the final handoff to the sys code.
1276 ===============
1277 */
1278 void Host_Shutdown(void)
1279 {
1280         static qboolean isdown = false;
1281
1282         if (isdown)
1283         {
1284                 Con_Print("recursive shutdown\n");
1285                 return;
1286         }
1287         if (setjmp(host_abortframe))
1288         {
1289                 Con_Print("aborted the quitting frame?!?\n");
1290                 return;
1291         }
1292         isdown = true;
1293
1294         // be quiet while shutting down
1295         S_StopAllSounds();
1296
1297         // disconnect client from server if active
1298         CL_Disconnect();
1299
1300         // shut down local server if active
1301         Host_ShutdownServer ();
1302
1303         // Shutdown menu
1304         if(MR_Shutdown)
1305                 MR_Shutdown();
1306
1307         // AK shutdown PRVM
1308         // AK hmm, no PRVM_Shutdown(); yet
1309
1310         CL_Video_Shutdown();
1311
1312         Host_SaveConfig();
1313
1314         CDAudio_Shutdown ();
1315         S_Terminate ();
1316         Curl_Shutdown ();
1317         NetConn_Shutdown ();
1318         //PR_Shutdown ();
1319
1320         if (cls.state != ca_dedicated)
1321         {
1322                 R_Modules_Shutdown();
1323                 VID_Shutdown();
1324         }
1325
1326         Thread_Shutdown();
1327         Cmd_Shutdown();
1328         Key_Shutdown();
1329         CL_Shutdown();
1330         Sys_Shutdown();
1331         Log_Close();
1332         Crypto_Shutdown();
1333         FS_Shutdown();
1334         Con_Shutdown();
1335         Memory_Shutdown();
1336 }
1337