2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
20 // host.c -- coordinates spawning and killing of local servers
32 #include "taskqueue.h"
38 A server can always be started, even if the system started out as a client
41 A client can NOT be started if the system started as a dedicated server.
43 Memory is cleared / released when a server or client begins, not when they end.
49 // pretend frames take this amount of time (in seconds), 0 = realtime
50 cvar_t host_framerate = {CVAR_CLIENT | CVAR_SERVER, "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"};
51 cvar_t cl_maxphysicsframesperserverframe = {CVAR_CLIENT, "cl_maxphysicsframesperserverframe","10", "maximum number of physics frames per server frame"};
52 // shows time used by certain subsystems
53 cvar_t host_speeds = {CVAR_CLIENT | CVAR_SERVER, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
54 cvar_t host_maxwait = {CVAR_CLIENT | CVAR_SERVER, "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."};
56 cvar_t developer = {CVAR_CLIENT | CVAR_SERVER | 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"};
57 cvar_t developer_extra = {CVAR_CLIENT | CVAR_SERVER, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
58 cvar_t developer_insane = {CVAR_CLIENT | CVAR_SERVER, "developer_insane", "0", "prints huge streams of information about internal workings, entire contents of files being read/written, etc. Not recommended!"};
59 cvar_t developer_loadfile = {CVAR_CLIENT | CVAR_SERVER, "developer_loadfile","0", "prints name and size of every file loaded via the FS_LoadFile function (which is almost everything)"};
60 cvar_t developer_loading = {CVAR_CLIENT | CVAR_SERVER, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
61 cvar_t developer_entityparsing = {CVAR_CLIENT, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
63 cvar_t timestamps = {CVAR_CLIENT | CVAR_SERVER | CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
64 cvar_t timeformat = {CVAR_CLIENT | CVAR_SERVER | CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
66 cvar_t sessionid = {CVAR_CLIENT | CVAR_SERVER | CVAR_READONLY, "sessionid", "", "ID of the current session (use the -sessionid parameter to set it); this is always either empty or begins with a dot (.)"};
67 cvar_t locksession = {CVAR_CLIENT | CVAR_SERVER, "locksession", "0", "Lock the session? 0 = no, 1 = yes and abort on failure, 2 = yes and continue on failure"};
71 Host_AbortCurrentFrame
73 aborts the current host frame and goes on with the next one
76 void Host_AbortCurrentFrame(void) DP_FUNC_NORETURN;
77 void Host_AbortCurrentFrame(void)
79 // in case we were previously nice, make us mean again
80 Sys_MakeProcessMean();
82 longjmp (host.abortframe, 1);
89 This shuts down both the client and server
92 void Host_Error (const char *error, ...)
94 static char hosterrorstring1[MAX_INPUTLINE]; // THREAD UNSAFE
95 static char hosterrorstring2[MAX_INPUTLINE]; // THREAD UNSAFE
96 static qboolean hosterror = false;
99 // turn off rcon redirect if it was active when the crash occurred
100 // to prevent loops when it is a networking problem
101 Con_Rcon_Redirect_Abort();
103 va_start (argptr,error);
104 dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
107 Con_Printf(CON_ERROR "Host_Error: %s\n", hosterrorstring1);
109 // LadyHavoc: if crashing very early, or currently shutting down, do
111 if (host.framecount < 3 || host.state == host_shutdown)
112 Sys_Error ("Host_Error: %s", hosterrorstring1);
115 Sys_Error ("Host_Error: recursively entered (original error was: %s new error is: %s)", hosterrorstring2, hosterrorstring1);
118 strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
120 CL_Parse_DumpPacket();
122 CL_Parse_ErrorCleanUp();
126 // print out where the crash happened, if it was caused by QC (and do a cleanup)
127 PRVM_Crash(SVVM_prog);
128 PRVM_Crash(CLVM_prog);
130 PRVM_Crash(MVM_prog);
133 cl.csqc_loaded = false;
134 Cvar_SetValueQuick(&csqc_progcrc, -1);
135 Cvar_SetValueQuick(&csqc_progsize, -1);
137 SV_LockThreadMutex();
139 SV_UnlockThreadMutex();
141 if (cls.state == ca_dedicated)
142 Sys_Error ("Host_Error: %s",hosterrorstring2); // dedicated servers exit
149 Host_AbortCurrentFrame();
152 static void Host_ServerOptions (void)
159 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
160 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
161 // if no client is in the executable or -dedicated is specified on
162 // commandline, start a dedicated server
163 i = COM_CheckParm ("-dedicated");
164 if (i || !cl_available)
166 cls.state = ca_dedicated;
167 // check for -dedicated specifying how many players
168 if (i && i + 1 < sys.argc && atoi (sys.argv[i+1]) >= 1)
169 svs.maxclients = atoi (sys.argv[i+1]);
170 if (COM_CheckParm ("-listen"))
171 Con_Printf ("Only one of -dedicated or -listen can be specified\n");
172 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
173 Cvar_SetValue(&cvars_all, "sv_public", 1);
175 else if (cl_available)
177 // client exists and not dedicated, check if -listen is specified
178 cls.state = ca_disconnected;
179 i = COM_CheckParm ("-listen");
182 // default players unless specified
183 if (i + 1 < sys.argc && atoi (sys.argv[i+1]) >= 1)
184 svs.maxclients = atoi (sys.argv[i+1]);
188 // default players in some games, singleplayer in most
189 if (gamemode != GAME_GOODVSBAD2 && !IS_NEXUIZ_DERIVED(gamemode) && gamemode != GAME_BATTLEMECH)
194 svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
196 svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
198 if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
199 Cvar_SetValueQuick(&deathmatch, 1);
207 void Host_Quit_f(cmd_state_t *cmd)
209 if(host.state == host_shutdown)
210 Con_Printf("shutting down already!\n");
212 host.state = host_shutdown;
215 static void Host_Version_f(cmd_state_t *cmd)
217 Con_Printf("Version: %s build %s\n", gamename, buildstring);
221 =======================
223 ======================
225 void Host_SaveConfig_f(cmd_state_t *cmd);
226 void Host_LoadConfig_f(cmd_state_t *cmd);
227 extern cvar_t sv_writepicture_quality;
228 extern cvar_t r_texture_jpeg_fastpicmip;
229 static void Host_InitLocal (void)
231 Cmd_AddCommand(CMD_SHARED, "quit", Host_Quit_f, "quit the game");
232 Cmd_AddCommand(CMD_SHARED, "version", Host_Version_f, "print engine version");
233 Cmd_AddCommand(CMD_SHARED, "saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
234 Cmd_AddCommand(CMD_SHARED, "loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
235 Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
236 Cvar_RegisterVariable (&host_framerate);
237 Cvar_RegisterVariable (&host_speeds);
238 Cvar_RegisterVariable (&host_maxwait);
240 Cvar_RegisterVariable (&developer);
241 Cvar_RegisterVariable (&developer_extra);
242 Cvar_RegisterVariable (&developer_insane);
243 Cvar_RegisterVariable (&developer_loadfile);
244 Cvar_RegisterVariable (&developer_loading);
245 Cvar_RegisterVariable (&developer_entityparsing);
247 Cvar_RegisterVariable (×tamps);
248 Cvar_RegisterVariable (&timeformat);
250 Cvar_RegisterVariable (&sv_writepicture_quality);
251 Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
259 Writes key bindings and archived cvars to config.cfg
262 static void Host_SaveConfig_to(const char *file)
266 // dedicated servers initialize the host but don't parse and set the
268 // LadyHavoc: don't save a config if it crashed in startup
269 if (host.framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
271 f = FS_OpenRealFile(file, "wb", false);
274 Con_Printf(CON_ERROR "Couldn't write %s.\n", file);
278 Key_WriteBindings (f);
279 Cvar_WriteVariables (&cvars_all, f);
284 void Host_SaveConfig(void)
286 Host_SaveConfig_to(CONFIGFILENAME);
288 void Host_SaveConfig_f(cmd_state_t *cmd)
290 const char *file = CONFIGFILENAME;
292 if(Cmd_Argc(cmd) >= 2) {
293 file = Cmd_Argv(cmd, 1);
294 Con_Printf("Saving to %s\n", file);
297 Host_SaveConfig_to(file);
300 static void Host_AddConfigText(cmd_state_t *cmd)
302 // set up the default startmap_sp and startmap_dm aliases (mods can
303 // override these) and then execute the quake.rc startup script
304 if (gamemode == GAME_NEHAHRA)
305 Cbuf_InsertText(cmd, "alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
306 else if (gamemode == GAME_TRANSFUSION)
307 Cbuf_InsertText(cmd, "alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
308 else if (gamemode == GAME_TEU)
309 Cbuf_InsertText(cmd, "alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
311 Cbuf_InsertText(cmd, "alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
319 Resets key bindings and cvars to defaults and then reloads scripts
322 void Host_LoadConfig_f(cmd_state_t *cmd)
324 // reset all cvars, commands and aliases to init values
325 Cmd_RestoreInitState();
327 // prepend a menu restart command to execute after the config
328 Cbuf_InsertText(&cmd_client, "\nmenu_restart\n");
330 // reset cvars to their defaults, and then exec startup scripts again
331 Host_AddConfigText(&cmd_client);
334 //============================================================================
338 Host_GetConsoleCommands
340 Add them exactly as if they had been typed at the console
343 static void Host_GetConsoleCommands (void)
347 while ((line = Sys_ConsoleInput()))
349 if (cls.state == ca_dedicated)
350 Cbuf_AddText(&cmd_server, line);
352 Cbuf_AddText(&cmd_client, line);
360 Returns a time report string, for example for
363 const char *Host_TimingReport(char *buf, size_t buflen)
365 return va(buf, buflen, "%.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);
372 Runs all active servers
375 static void Host_Init(void);
378 double cl_timer = 0, sv_timer = 0;
379 double time, oldtime, newtime;
385 host.restless = false;
391 host.dirtytime = oldtime = Sys_DirtyTime();
393 while(host.state != host_shutdown)
395 if (setjmp(host.abortframe))
397 SCR_ClearLoadingScreen(false);
398 continue; // something bad happened, or the server disconnected
401 newtime = host.dirtytime = Sys_DirtyTime();
402 time = newtime - oldtime;
405 // warn if it's significant
407 Con_Printf(CON_WARN "Host_Mingled: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, time);
410 else if (time >= 1800)
412 Con_Printf(CON_WARN "Host_Mingled: time stepped forward (went from %f to %f, difference %f)\n", oldtime, newtime, time);
415 host.realtime += time;
417 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
418 Cvar_SetValueQuick(&host_framerate, 0);
420 TaskQueue_Frame(false);
422 // keep the random time dependent, but not when playing demos/benchmarking
423 if(!*sv_random_seed.string && !cls.demoplayback)
426 NetConn_UpdateSockets();
428 Log_DestBuffer_Flush();
432 // check for commands typed to the host
433 Host_GetConsoleCommands();
435 // process console commands
436 // R_TimeReport("preconsole");
437 CL_VM_PreventInformationLeaks();
438 Cbuf_Frame(&cmd_client);
439 Cbuf_Frame(&cmd_server);
442 Cbuf_Frame(&cmd_serverfromclient);
444 // R_TimeReport("console");
446 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
450 //-------------------
454 //-------------------
456 // limit the frametime steps to no more than 100ms each
460 svs.perf_acc_lost += (sv_timer - 0.1);
466 svs.perf_acc_sleeptime = host.sleeptime;
467 svs.perf_acc_realtime += time;
469 // Look for clients who have spawned
471 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
472 if(host_client->begun)
473 if(host_client->netconnection)
477 // don't accumulate time for the first 10 seconds of a match
478 // so things can settle
479 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 = host.sleeptime = 0;
481 else if(svs.perf_acc_realtime > 5)
483 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
484 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
485 if(svs.perf_acc_offset_samples > 0)
487 svs.perf_offset_max = svs.perf_acc_offset_max;
488 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
489 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
491 if(svs.perf_lost > 0 && developer_extra.integer)
492 if(playing) // only complain if anyone is looking
493 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
494 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 = host.sleeptime = 0;
497 if (sv.active && sv_timer > 0)
499 // execute one or more server frames, with an upper limit on how much
500 // execution time to spend on server frames to avoid freezing the game if
501 // the server is overloaded, this execution time limit means the game will
502 // slow down if the server is taking too long.
503 int framecount, framelimit = 1;
504 double advancetime, aborttime = 0;
506 prvm_prog_t *prog = SVVM_prog;
507 // receive packets on each main loop iteration, as the main loop may
508 // be undersleeping due to select() detecting a new packet
509 if (sv.active && !svs.threaded)
510 NetConn_ServerFrame();
511 // run the world state
512 // don't allow simulation to run too fast or too slow or logic glitches can occur
514 // stop running server frames if the wall time reaches this value
515 if (sys_ticrate.value <= 0)
516 advancetime = sv_timer;
519 advancetime = sys_ticrate.value;
520 // listen servers can run multiple server frames per client frame
521 framelimit = cl_maxphysicsframesperserverframe.integer;
522 aborttime = Sys_DirtyTime() + 0.1;
524 if(host_timescale.value > 0 && host_timescale.value < 1)
525 advancetime = min(advancetime, 0.1 / host_timescale.value);
527 advancetime = min(advancetime, 0.1);
531 offset = Sys_DirtyTime() - newtime;if (offset < 0 || offset >= 1800) offset = 0;
533 ++svs.perf_acc_offset_samples;
534 svs.perf_acc_offset += offset;
535 svs.perf_acc_offset_squared += offset * offset;
536 if(svs.perf_acc_offset_max < offset)
537 svs.perf_acc_offset_max = offset;
540 // only advance time if not paused
541 // the game also pauses in singleplayer when menu or console is used
542 sv.frametime = advancetime * host_timescale.value;
543 if (host_framerate.value)
544 sv.frametime = host_framerate.value;
545 if (sv.paused || host.paused)
548 for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
550 sv_timer -= advancetime;
552 // move things around and think unless paused
556 // if this server frame took too long, break out of the loop
557 if (framelimit > 1 && Sys_DirtyTime() >= aborttime)
560 R_TimeReport("serverphysics");
562 // send all messages to the clients
563 SV_SendClientMessages();
565 if (sv.paused == 1 && host.realtime > sv.pausedstart && sv.pausedstart > 0) {
566 prog->globals.fp[OFS_PARM0] = host.realtime - sv.pausedstart;
567 PRVM_serverglobalfloat(time) = sv.time;
568 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
571 // send an heartbeat if enough time has passed since the last one
572 NetConn_Heartbeat(0);
573 R_TimeReport("servernetwork");
577 // don't let r_speeds display jump around
578 R_TimeReport("serverphysics");
579 R_TimeReport("servernetwork");
582 // if there is some time remaining from this frame, reset the timer
586 svs.perf_acc_lost += sv_timer;
592 //-------------------
596 //-------------------
598 cl_timer = CL_Frame(cl_timer);
602 Mem_CheckSentinelsGlobal();
604 if (developer_memorydebug.integer)
605 Mem_CheckSentinelsGlobal();
608 // if the accumulators haven't become positive yet, wait a while
609 wait = max(cl_timer, sv_timer) * -1000000.0;
611 if (!host.restless && wait >= 1)
615 if(host_maxwait.value <= 0)
616 wait = min(wait, 1000000.0);
618 wait = min(wait, host_maxwait.value * 1000.0);
620 wait = 1; // because we cast to int
622 time0 = Sys_DirtyTime();
623 if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded) {
624 NetConn_SleepMicroseconds((int)wait);
625 if (cls.state != ca_dedicated)
626 NetConn_ClientFrame(); // helps server browser get good ping values
627 // TODO can we do the same for ServerFrame? Probably not.
630 Sys_Sleep((int)wait);
631 delta = Sys_DirtyTime() - time0;
632 if (delta < 0 || delta >= 1800)
634 host.sleeptime += delta;
635 // R_TimeReport("sleep");
645 //============================================================================
647 qboolean vid_opened = false;
648 void Host_StartVideo(void)
650 if (!vid_opened && cls.state != ca_dedicated)
653 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
654 NetConn_UpdateSockets();
660 char engineversion[128];
662 qboolean sys_nostdout = false;
664 static qfile_t *locksession_fh = NULL;
665 static qboolean locksession_run = false;
666 static void Host_InitSession(void)
670 Cvar_RegisterVariable(&sessionid);
671 Cvar_RegisterVariable(&locksession);
673 // load the session ID into the read-only cvar
674 if ((i = COM_CheckParm("-sessionid")) && (i + 1 < sys.argc))
676 if(sys.argv[i+1][0] == '.')
677 Cvar_SetQuick(&sessionid, sys.argv[i+1]);
680 buf = (char *)Z_Malloc(strlen(sys.argv[i+1]) + 2);
681 dpsnprintf(buf, sizeof(buf), ".%s", sys.argv[i+1]);
682 Cvar_SetQuick(&sessionid, buf);
686 void Host_LockSession(void)
690 locksession_run = true;
691 if(locksession.integer != 0 && !COM_CheckParm("-readonly"))
694 char *p = va(vabuf, sizeof(vabuf), "%slock%s", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string);
696 locksession_fh = FS_SysOpen(p, "wl", false);
697 // TODO maybe write the pid into the lockfile, while we are at it? may help server management tools
700 if(locksession.integer == 2)
702 Con_Printf(CON_WARN "WARNING: session lock %s could not be acquired. Please run with -sessionid and an unique session name. Continuing anyway.\n", p);
706 Sys_Error("session lock %s could not be acquired. Please run with -sessionid and an unique session name.\n", p);
711 void Host_UnlockSession(void)
715 locksession_run = false;
719 FS_Close(locksession_fh);
720 // NOTE: we can NOT unlink the lock here, as doing so would
721 // create a race condition if another process created it
722 // between our close and our unlink
723 locksession_fh = NULL;
732 static void Host_Init (void)
737 cmd_state_t *cmd = &cmd_client;
739 host.state = host_init;
741 if (COM_CheckParm("-profilegameonly"))
742 Sys_AllowProfiling(false);
744 // LadyHavoc: quake never seeded the random number generator before... heh
745 if (COM_CheckParm("-benchmark"))
746 srand(0); // predictable random sequence for -benchmark
748 srand((unsigned int)time(NULL));
750 // FIXME: this is evil, but possibly temporary
751 // LadyHavoc: doesn't seem very temporary...
752 // LadyHavoc: made this a saved cvar
753 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
754 if (COM_CheckParm("-developer"))
756 developer.value = developer.integer = 1;
757 developer.string = "1";
760 if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
762 developer.value = developer.integer = 1;
763 developer.string = "1";
764 developer_extra.value = developer_extra.integer = 1;
765 developer_extra.string = "1";
766 developer_insane.value = developer_insane.integer = 1;
767 developer_insane.string = "1";
768 developer_memory.value = developer_memory.integer = 1;
769 developer_memory.string = "1";
770 developer_memorydebug.value = developer_memorydebug.integer = 1;
771 developer_memorydebug.string = "1";
774 if (COM_CheckParm("-developer3"))
776 gl_paranoid.integer = 1;gl_paranoid.string = "1";
777 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
780 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
781 if (COM_CheckParm("-nostdout"))
784 // used by everything
787 // initialize console command/cvar/alias/command execution systems
790 // initialize memory subsystem cvars/commands
791 Memory_Init_Commands();
793 // initialize console and logging and its cvars/commands
796 // initialize various cvars that could not be initialized earlier
798 Curl_Init_Commands();
802 // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
805 // construct a version string for the corner of the console
807 dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
808 Con_Printf("%s\n", engineversion);
810 // initialize process nice level
811 Sys_InitProcessNice();
813 // initialize ixtable
816 // register the cvars for session locking
819 // must be after FS_Init
821 Crypto_Init_Commands();
829 V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
831 Host_ServerOptions();
838 // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
839 // NOTE: menu commands are freed by Cmd_RestoreInitState
842 // FIXME: put this into some neat design, but the menu should be allowed to crash
843 // without crashing the whole game, so this should just be a short-time solution
845 // here comes the not so critical stuff
846 if (setjmp(host.abortframe)) {
850 Host_AddConfigText(cmd);
854 // if quake.rc is missing, use default
855 if (!FS_FileExists("quake.rc"))
857 Cbuf_InsertText(cmd, "exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\n");
861 host.state = host_active;
863 // run stuffcmds now, deferred previously because it can crash if a server starts that early
864 Cbuf_AddText(cmd,"stuffcmds\n");
869 // put up the loading image so the user doesn't stare at a black screen...
870 SCR_BeginLoadingPlaque(true);
872 // check for special benchmark mode
873 // 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)
874 i = COM_CheckParm("-benchmark");
875 if (i && i + 1 < sys.argc)
876 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
878 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "timedemo %s\n", sys.argv[i + 1]));
879 Cbuf_Execute(&cmd_client);
882 // check for special demo mode
883 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
884 i = COM_CheckParm("-demo");
885 if (i && i + 1 < sys.argc)
886 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
888 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "playdemo %s\n", sys.argv[i + 1]));
889 Cbuf_Execute(&cmd_client);
892 #ifdef CONFIG_VIDEO_CAPTURE
893 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
894 i = COM_CheckParm("-capturedemo");
895 if (i && i + 1 < sys.argc)
896 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
898 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "playdemo %s\ncl_capturevideo 1\n", sys.argv[i + 1]));
899 Cbuf_Execute(&cmd_client);
903 if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
904 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
906 Cbuf_AddText(&cmd_client, "startmap_dm\n");
907 Cbuf_Execute(&cmd_client);
910 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
913 Cbuf_AddText(&cmd_client, "togglemenu 1\n");
915 Cbuf_Execute(&cmd_client);
918 Con_DPrint("========Initialized=========\n");
920 if (cls.state != ca_dedicated)
929 FIXME: this is a callback from Sys_Quit and Sys_Error. It would be better
930 to run quit through here before the final handoff to the sys code.
933 void Host_Shutdown(void)
935 static qboolean isdown = false;
939 Con_Print("recursive shutdown\n");
942 if (setjmp(host.abortframe))
944 Con_Print("aborted the quitting frame?!?\n");
949 if(cls.state != ca_dedicated)
952 // end the server thread
956 // shut down local server if active
957 SV_LockThreadMutex();
959 SV_UnlockThreadMutex();
962 // AK hmm, no PRVM_Shutdown(); yet
970 TaskQueue_Shutdown();
977 Host_UnlockSession();
983 void Host_NoOperation_f(cmd_state_t *cmd)