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.
48 client_t *host_client;
52 // pretend frames take this amount of time (in seconds), 0 = realtime
53 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"};
54 cvar_t cl_maxphysicsframesperserverframe = {CVAR_CLIENT, "cl_maxphysicsframesperserverframe","10", "maximum number of physics frames per server frame"};
55 // shows time used by certain subsystems
56 cvar_t host_speeds = {CVAR_CLIENT | CVAR_SERVER, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
57 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."};
58 cvar_t cl_minfps = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps", "40", "minimum fps target - while the rendering performance is below this, it will drift toward lower quality"};
59 cvar_t cl_minfps_fade = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_fade", "1", "how fast the quality adapts to varying framerate"};
60 cvar_t cl_minfps_qualitymax = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"};
61 cvar_t cl_minfps_qualitymin = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"};
62 cvar_t cl_minfps_qualitymultiply = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualitymultiply", "0.2", "multiplier for quality changes in quality change per second render time (1 assumes linearity of quality and render time)"};
63 cvar_t cl_minfps_qualityhysteresis = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualityhysteresis", "0.05", "reduce all quality increments by this to reduce flickering"};
64 cvar_t cl_minfps_qualitystepmax = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualitystepmax", "0.1", "maximum quality change in a single frame"};
65 cvar_t cl_minfps_force = {CVAR_CLIENT, "cl_minfps_force", "0", "also apply quality reductions in timedemo/capturevideo"};
66 cvar_t cl_maxfps = {CVAR_CLIENT | 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)"};
67 cvar_t cl_maxfps_alwayssleep = {CVAR_CLIENT, "cl_maxfps_alwayssleep","1", "gives up some processing time to other applications each frame, value in milliseconds, disabled if cl_maxfps is 0"};
68 cvar_t cl_maxidlefps = {CVAR_CLIENT | CVAR_SAVE, "cl_maxidlefps", "20", "maximum fps cap when the game is not the active window (makes cpu time available to other programs"};
70 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"};
71 cvar_t developer_extra = {CVAR_CLIENT | CVAR_SERVER, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
72 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!"};
73 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)"};
74 cvar_t developer_loading = {CVAR_CLIENT | CVAR_SERVER, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
75 cvar_t developer_entityparsing = {CVAR_CLIENT, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
77 cvar_t timestamps = {CVAR_CLIENT | CVAR_SERVER | CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
78 cvar_t timeformat = {CVAR_CLIENT | CVAR_SERVER | CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
80 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 (.)"};
81 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"};
85 Host_AbortCurrentFrame
87 aborts the current host frame and goes on with the next one
90 void Host_AbortCurrentFrame(void) DP_FUNC_NORETURN;
91 void Host_AbortCurrentFrame(void)
93 // in case we were previously nice, make us mean again
94 Sys_MakeProcessMean();
96 longjmp (host.abortframe, 1);
103 This shuts down both the client and server
106 void Host_Error (const char *error, ...)
108 static char hosterrorstring1[MAX_INPUTLINE]; // THREAD UNSAFE
109 static char hosterrorstring2[MAX_INPUTLINE]; // THREAD UNSAFE
110 static qboolean hosterror = false;
113 // turn off rcon redirect if it was active when the crash occurred
114 // to prevent loops when it is a networking problem
115 Con_Rcon_Redirect_Abort();
117 va_start (argptr,error);
118 dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
121 Con_Errorf("Host_Error: %s\n", hosterrorstring1);
123 // LadyHavoc: if crashing very early, or currently shutting down, do
125 if (host.framecount < 3 || host.state == host_shutdown)
126 Sys_Error ("Host_Error: %s", hosterrorstring1);
129 Sys_Error ("Host_Error: recursively entered (original error was: %s new error is: %s)", hosterrorstring2, hosterrorstring1);
132 strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
134 CL_Parse_DumpPacket();
136 CL_Parse_ErrorCleanUp();
140 // print out where the crash happened, if it was caused by QC (and do a cleanup)
141 PRVM_Crash(SVVM_prog);
142 PRVM_Crash(CLVM_prog);
144 PRVM_Crash(MVM_prog);
147 cl.csqc_loaded = false;
148 Cvar_SetValueQuick(&csqc_progcrc, -1);
149 Cvar_SetValueQuick(&csqc_progsize, -1);
151 SV_LockThreadMutex();
153 SV_UnlockThreadMutex();
155 if (cls.state == ca_dedicated)
156 Sys_Error ("Host_Error: %s",hosterrorstring2); // dedicated servers exit
163 Host_AbortCurrentFrame();
166 static void Host_ServerOptions (void)
173 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
174 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
175 // if no client is in the executable or -dedicated is specified on
176 // commandline, start a dedicated server
177 i = COM_CheckParm ("-dedicated");
178 if (i || !cl_available)
180 cls.state = ca_dedicated;
181 // check for -dedicated specifying how many players
182 if (i && i + 1 < sys.argc && atoi (sys.argv[i+1]) >= 1)
183 svs.maxclients = atoi (sys.argv[i+1]);
184 if (COM_CheckParm ("-listen"))
185 Con_Printf ("Only one of -dedicated or -listen can be specified\n");
186 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
187 Cvar_SetValue(&cvars_all, "sv_public", 1);
189 else if (cl_available)
191 // client exists and not dedicated, check if -listen is specified
192 cls.state = ca_disconnected;
193 i = COM_CheckParm ("-listen");
196 // default players unless specified
197 if (i + 1 < sys.argc && atoi (sys.argv[i+1]) >= 1)
198 svs.maxclients = atoi (sys.argv[i+1]);
202 // default players in some games, singleplayer in most
203 if (gamemode != GAME_GOODVSBAD2 && !IS_NEXUIZ_DERIVED(gamemode) && gamemode != GAME_BATTLEMECH)
208 svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
210 svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
212 if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
213 Cvar_SetValueQuick(&deathmatch, 1);
221 void Host_Quit_f(cmd_state_t *cmd)
223 if(host.state == host_shutdown)
224 Con_Printf("shutting down already!\n");
226 host.state = host_shutdown;
229 static void Host_Version_f(cmd_state_t *cmd)
231 Con_Printf("Version: %s build %s\n", gamename, buildstring);
235 =======================
237 ======================
239 void Host_SaveConfig_f(cmd_state_t *cmd);
240 void Host_LoadConfig_f(cmd_state_t *cmd);
241 extern cvar_t sv_writepicture_quality;
242 extern cvar_t r_texture_jpeg_fastpicmip;
243 static void Host_InitLocal (void)
245 Cmd_AddCommand(CMD_SHARED, "quit", Host_Quit_f, "quit the game");
246 Cmd_AddCommand(CMD_SHARED, "version", Host_Version_f, "print engine version");
247 Cmd_AddCommand(CMD_SHARED, "saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
248 Cmd_AddCommand(CMD_SHARED, "loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
249 Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
250 Cvar_RegisterVariable (&host_framerate);
251 Cvar_RegisterVariable (&host_speeds);
252 Cvar_RegisterVariable (&host_maxwait);
253 Cvar_RegisterVariable (&cl_minfps);
254 Cvar_RegisterVariable (&cl_minfps_fade);
255 Cvar_RegisterVariable (&cl_minfps_qualitymax);
256 Cvar_RegisterVariable (&cl_minfps_qualitymin);
257 Cvar_RegisterVariable (&cl_minfps_qualitystepmax);
258 Cvar_RegisterVariable (&cl_minfps_qualityhysteresis);
259 Cvar_RegisterVariable (&cl_minfps_qualitymultiply);
260 Cvar_RegisterVariable (&cl_minfps_force);
261 Cvar_RegisterVariable (&cl_maxfps);
262 Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
263 Cvar_RegisterVariable (&cl_maxidlefps);
265 Cvar_RegisterVariable (&developer);
266 Cvar_RegisterVariable (&developer_extra);
267 Cvar_RegisterVariable (&developer_insane);
268 Cvar_RegisterVariable (&developer_loadfile);
269 Cvar_RegisterVariable (&developer_loading);
270 Cvar_RegisterVariable (&developer_entityparsing);
272 Cvar_RegisterVariable (×tamps);
273 Cvar_RegisterVariable (&timeformat);
275 Cvar_RegisterVariable (&sv_writepicture_quality);
276 Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
284 Writes key bindings and archived cvars to config.cfg
287 static void Host_SaveConfig_to(const char *file)
291 // dedicated servers initialize the host but don't parse and set the
293 // LadyHavoc: don't save a config if it crashed in startup
294 if (host.framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
296 f = FS_OpenRealFile(file, "wb", false);
299 Con_Errorf("Couldn't write %s.\n", file);
303 Key_WriteBindings (f);
304 Cvar_WriteVariables (&cvars_all, f);
309 void Host_SaveConfig(void)
311 Host_SaveConfig_to(CONFIGFILENAME);
313 void Host_SaveConfig_f(cmd_state_t *cmd)
315 const char *file = CONFIGFILENAME;
317 if(Cmd_Argc(cmd) >= 2) {
318 file = Cmd_Argv(cmd, 1);
319 Con_Printf("Saving to %s\n", file);
322 Host_SaveConfig_to(file);
325 static void Host_AddConfigText(cmd_state_t *cmd)
327 // set up the default startmap_sp and startmap_dm aliases (mods can
328 // override these) and then execute the quake.rc startup script
329 if (gamemode == GAME_NEHAHRA)
330 Cbuf_InsertText(cmd, "alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
331 else if (gamemode == GAME_TRANSFUSION)
332 Cbuf_InsertText(cmd, "alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
333 else if (gamemode == GAME_TEU)
334 Cbuf_InsertText(cmd, "alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
336 Cbuf_InsertText(cmd, "alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
344 Resets key bindings and cvars to defaults and then reloads scripts
347 void Host_LoadConfig_f(cmd_state_t *cmd)
349 // reset all cvars, commands and aliases to init values
350 Cmd_RestoreInitState();
352 // prepend a menu restart command to execute after the config
353 Cbuf_InsertText(&cmd_client, "\nmenu_restart\n");
355 // reset cvars to their defaults, and then exec startup scripts again
356 Host_AddConfigText(&cmd_client);
359 //============================================================================
363 Host_GetConsoleCommands
365 Add them exactly as if they had been typed at the console
368 static void Host_GetConsoleCommands (void)
372 while ((line = Sys_ConsoleInput()))
374 if (cls.state == ca_dedicated)
375 Cbuf_AddText(&cmd_server, line);
377 Cbuf_AddText(&cmd_client, line);
385 Returns a time report string, for example for
388 const char *Host_TimingReport(char *buf, size_t buflen)
390 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);
397 Runs all active servers
400 static void Host_Init(void);
406 double cl_timer = 0, sv_timer = 0;
407 double clframetime, time, oldtime, newtime;
409 int pass1, pass2, pass3, i;
416 host.dirtytime = Sys_DirtyTime();
418 while(host.state != host_shutdown)
420 if (setjmp(host.abortframe))
422 SCR_ClearLoadingScreen(false);
423 continue; // something bad happened, or the server disconnected
426 oldtime = host.dirtytime;
427 newtime = Sys_DirtyTime();
428 time = newtime - oldtime;
431 // warn if it's significant
433 Con_Warnf("Host_Mingled: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, time);
436 else if (time >= 1800)
438 Con_Warnf("Host_Mingled: time stepped forward (went from %f to %f, difference %f)\n", oldtime, newtime, time);
441 host.realtime += time;
442 host.dirtytime = newtime;
449 svs.perf_acc_realtime += time;
451 // Look for clients who have spawned
453 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
454 if(host_client->begun)
455 if(host_client->netconnection)
459 // don't accumulate time for the first 10 seconds of a match
460 // so things can settle
461 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;
463 else if(svs.perf_acc_realtime > 5)
465 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
466 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
467 if(svs.perf_acc_offset_samples > 0)
469 svs.perf_offset_max = svs.perf_acc_offset_max;
470 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
471 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
473 if(svs.perf_lost > 0 && developer_extra.integer)
474 if(playing) // only complain if anyone is looking
475 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
476 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;
480 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
481 Cvar_SetValueQuick(&host_framerate, 0);
483 TaskQueue_Frame(false);
485 // keep the random time dependent, but not when playing demos/benchmarking
486 if(!*sv_random_seed.string && !cls.demoplayback)
489 // get new key events
490 Key_EventQueue_Unblock();
491 SndSys_SendKeyEvents();
494 NetConn_UpdateSockets();
496 Log_DestBuffer_Flush();
498 // receive packets on each main loop iteration, as the main loop may
499 // be undersleeping due to select() detecting a new packet
500 if (sv.active && !svs.threaded)
501 NetConn_ServerFrame();
505 // check for commands typed to the host
506 Host_GetConsoleCommands();
508 // process console commands
509 // R_TimeReport("preconsole");
510 CL_VM_PreventInformationLeaks();
511 Cbuf_Frame(&cmd_client);
512 Cbuf_Frame(&cmd_server);
515 Cbuf_Frame(&cmd_serverfromclient);
517 // R_TimeReport("console");
519 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
521 // if the accumulators haven't become positive yet, wait a while
522 if (cls.state == ca_dedicated)
523 wait = sv_timer * -1000000.0;
524 else if (!sv.active || svs.threaded)
525 wait = cl_timer * -1000000.0;
527 wait = max(cl_timer, sv_timer) * -1000000.0;
529 if (!cls.timedemo && wait >= 1)
533 if(host_maxwait.value <= 0)
534 wait = min(wait, 1000000.0);
536 wait = min(wait, host_maxwait.value * 1000.0);
538 wait = 1; // because we cast to int
540 time0 = Sys_DirtyTime();
541 if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded) {
542 NetConn_SleepMicroseconds((int)wait);
543 if (cls.state != ca_dedicated)
544 NetConn_ClientFrame(); // helps server browser get good ping values
545 // TODO can we do the same for ServerFrame? Probably not.
548 Sys_Sleep((int)wait);
549 delta = Sys_DirtyTime() - time0;
550 if (delta < 0 || delta >= 1800) delta = 0;
552 svs.perf_acc_sleeptime += delta;
553 // R_TimeReport("sleep");
557 // limit the frametime steps to no more than 100ms each
563 svs.perf_acc_lost += (sv_timer - 0.1);
569 //-------------------
573 //-------------------
575 // limit the frametime steps to no more than 100ms each
576 if (sv.active && sv_timer > 0 && !svs.threaded)
578 // execute one or more server frames, with an upper limit on how much
579 // execution time to spend on server frames to avoid freezing the game if
580 // the server is overloaded, this execution time limit means the game will
581 // slow down if the server is taking too long.
582 int framecount, framelimit = 1;
583 double advancetime, aborttime = 0;
585 prvm_prog_t *prog = SVVM_prog;
587 // run the world state
588 // don't allow simulation to run too fast or too slow or logic glitches can occur
590 // stop running server frames if the wall time reaches this value
591 if (sys_ticrate.value <= 0)
592 advancetime = sv_timer;
593 else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
595 // synchronize to the client frametime, but no less than 10ms and no more than 100ms
596 advancetime = bound(0.01, cl_timer, 0.1);
600 advancetime = sys_ticrate.value;
601 // listen servers can run multiple server frames per client frame
602 framelimit = cl_maxphysicsframesperserverframe.integer;
603 aborttime = Sys_DirtyTime() + 0.1;
605 if(host_timescale.value > 0 && host_timescale.value < 1)
606 advancetime = min(advancetime, 0.1 / host_timescale.value);
608 advancetime = min(advancetime, 0.1);
612 offset = Sys_DirtyTime() - newtime;if (offset < 0 || offset >= 1800) offset = 0;
614 ++svs.perf_acc_offset_samples;
615 svs.perf_acc_offset += offset;
616 svs.perf_acc_offset_squared += offset * offset;
617 if(svs.perf_acc_offset_max < offset)
618 svs.perf_acc_offset_max = offset;
621 // only advance time if not paused
622 // the game also pauses in singleplayer when menu or console is used
623 sv.frametime = advancetime * host_timescale.value;
624 if (host_framerate.value)
625 sv.frametime = host_framerate.value;
626 if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
629 for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
631 sv_timer -= advancetime;
633 // move things around and think unless paused
637 // if this server frame took too long, break out of the loop
638 if (framelimit > 1 && Sys_DirtyTime() >= aborttime)
641 R_TimeReport("serverphysics");
643 // send all messages to the clients
644 SV_SendClientMessages();
646 if (sv.paused == 1 && host.realtime > sv.pausedstart && sv.pausedstart > 0) {
647 prog->globals.fp[OFS_PARM0] = host.realtime - sv.pausedstart;
648 PRVM_serverglobalfloat(time) = sv.time;
649 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
652 // send an heartbeat if enough time has passed since the last one
653 NetConn_Heartbeat(0);
654 R_TimeReport("servernetwork");
656 else if (!svs.threaded)
658 // don't let r_speeds display jump around
659 R_TimeReport("serverphysics");
660 R_TimeReport("servernetwork");
663 //-------------------
667 //-------------------
669 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
672 Collision_Cache_NewFrame();
673 R_TimeReport("photoncache");
674 #ifdef CONFIG_VIDEO_CAPTURE
675 // decide the simulation time
676 if (cls.capturevideo.active)
679 if (cls.capturevideo.realtime)
680 clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
683 clframetime = 1.0 / cls.capturevideo.framerate;
684 cl.realframetime = max(cl_timer, clframetime);
687 else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
690 if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
693 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
694 // when running slow, we need to sleep to keep input responsive
695 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
697 Sys_Sleep((int)wait);
699 else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
700 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
702 clframetime = cl.realframetime = cl_timer;
704 // apply slowmo scaling
705 clframetime *= cl.movevars_timescale;
706 // scale playback speed of demos by slowmo cvar
707 if (cls.demoplayback)
709 clframetime *= host_timescale.value;
710 // if demo playback is paused, don't advance time at all
716 // host_framerate overrides all else
717 if (host_framerate.value)
718 clframetime = host_framerate.value;
720 if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
725 clframetime = cl.realframetime = cl_timer;
727 // deduct the frame time from the accumulator
728 cl_timer -= cl.realframetime;
730 cl.oldtime = cl.time;
731 cl.time += clframetime;
734 if (host_speeds.integer)
735 time1 = Sys_DirtyTime();
736 R_TimeReport("pre-input");
738 // Collect input into cmd
741 R_TimeReport("input");
743 // check for new packets
744 NetConn_ClientFrame();
746 // read a new frame from a demo if needed
747 CL_ReadDemoMessage();
748 R_TimeReport("clientnetwork");
750 // now that packets have been read, send input to server
752 R_TimeReport("sendmove");
754 // update client world (interpolate entities, create trails, etc)
756 R_TimeReport("lerpworld");
760 R_TimeReport("client");
763 R_TimeReport("render");
765 if (host_speeds.integer)
766 time2 = Sys_DirtyTime();
769 if(cl.csqc_usecsqclistener)
771 S_Update(&cl.csqc_listenermatrix);
772 cl.csqc_usecsqclistener = false;
775 S_Update(&r_refdef.view.matrix);
778 R_TimeReport("audio");
780 // reset gathering of mouse input
781 in_mouse_x = in_mouse_y = 0;
783 if (host_speeds.integer)
785 pass1 = (int)((time1 - time3)*1000000);
786 time3 = Sys_DirtyTime();
787 pass2 = (int)((time2 - time1)*1000000);
788 pass3 = (int)((time3 - time2)*1000000);
789 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
790 pass1+pass2+pass3, pass1, pass2, pass3);
795 Mem_CheckSentinelsGlobal();
797 if (developer_memorydebug.integer)
798 Mem_CheckSentinelsGlobal();
801 // if there is some time remaining from this frame, reset the timers
807 svs.perf_acc_lost += sv_timer;
817 //============================================================================
819 qboolean vid_opened = false;
820 void Host_StartVideo(void)
822 if (!vid_opened && cls.state != ca_dedicated)
825 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
826 NetConn_UpdateSockets();
832 char engineversion[128];
834 qboolean sys_nostdout = false;
836 static qfile_t *locksession_fh = NULL;
837 static qboolean locksession_run = false;
838 static void Host_InitSession(void)
842 Cvar_RegisterVariable(&sessionid);
843 Cvar_RegisterVariable(&locksession);
845 // load the session ID into the read-only cvar
846 if ((i = COM_CheckParm("-sessionid")) && (i + 1 < sys.argc))
848 if(sys.argv[i+1][0] == '.')
849 Cvar_SetQuick(&sessionid, sys.argv[i+1]);
852 buf = (char *)Z_Malloc(strlen(sys.argv[i+1]) + 2);
853 dpsnprintf(buf, sizeof(buf), ".%s", sys.argv[i+1]);
854 Cvar_SetQuick(&sessionid, buf);
858 void Host_LockSession(void)
862 locksession_run = true;
863 if(locksession.integer != 0 && !COM_CheckParm("-readonly"))
866 char *p = va(vabuf, sizeof(vabuf), "%slock%s", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string);
868 locksession_fh = FS_SysOpen(p, "wl", false);
869 // TODO maybe write the pid into the lockfile, while we are at it? may help server management tools
872 if(locksession.integer == 2)
874 Con_Warnf("WARNING: session lock %s could not be acquired. Please run with -sessionid and an unique session name. Continuing anyway.\n", p);
878 Sys_Error("session lock %s could not be acquired. Please run with -sessionid and an unique session name.\n", p);
883 void Host_UnlockSession(void)
887 locksession_run = false;
891 FS_Close(locksession_fh);
892 // NOTE: we can NOT unlink the lock here, as doing so would
893 // create a race condition if another process created it
894 // between our close and our unlink
895 locksession_fh = NULL;
904 static void Host_Init (void)
909 cmd_state_t *cmd = &cmd_client;
911 host.state = host_init;
913 if (COM_CheckParm("-profilegameonly"))
914 Sys_AllowProfiling(false);
916 // LadyHavoc: quake never seeded the random number generator before... heh
917 if (COM_CheckParm("-benchmark"))
918 srand(0); // predictable random sequence for -benchmark
920 srand((unsigned int)time(NULL));
922 // FIXME: this is evil, but possibly temporary
923 // LadyHavoc: doesn't seem very temporary...
924 // LadyHavoc: made this a saved cvar
925 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
926 if (COM_CheckParm("-developer"))
928 developer.value = developer.integer = 1;
929 developer.string = "1";
932 if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
934 developer.value = developer.integer = 1;
935 developer.string = "1";
936 developer_extra.value = developer_extra.integer = 1;
937 developer_extra.string = "1";
938 developer_insane.value = developer_insane.integer = 1;
939 developer_insane.string = "1";
940 developer_memory.value = developer_memory.integer = 1;
941 developer_memory.string = "1";
942 developer_memorydebug.value = developer_memorydebug.integer = 1;
943 developer_memorydebug.string = "1";
946 if (COM_CheckParm("-developer3"))
948 gl_paranoid.integer = 1;gl_paranoid.string = "1";
949 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
952 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
953 if (COM_CheckParm("-nostdout"))
956 // used by everything
959 // initialize console command/cvar/alias/command execution systems
962 // initialize memory subsystem cvars/commands
963 Memory_Init_Commands();
965 // initialize console and logging and its cvars/commands
968 // initialize various cvars that could not be initialized earlier
970 Curl_Init_Commands();
974 // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
977 // construct a version string for the corner of the console
979 dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
980 Con_Printf("%s\n", engineversion);
982 // initialize process nice level
983 Sys_InitProcessNice();
985 // initialize ixtable
988 // register the cvars for session locking
991 // must be after FS_Init
993 Crypto_Init_Commands();
1001 V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1002 Host_InitCommands();
1004 Host_ServerOptions();
1011 // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1012 // NOTE: menu commands are freed by Cmd_RestoreInitState
1013 Cmd_SaveInitState();
1015 // FIXME: put this into some neat design, but the menu should be allowed to crash
1016 // without crashing the whole game, so this should just be a short-time solution
1018 // here comes the not so critical stuff
1019 if (setjmp(host.abortframe)) {
1023 Host_AddConfigText(cmd);
1027 // if quake.rc is missing, use default
1028 if (!FS_FileExists("quake.rc"))
1030 Cbuf_InsertText(cmd, "exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\n");
1034 host.state = host_active;
1036 // run stuffcmds now, deferred previously because it can crash if a server starts that early
1037 Cbuf_AddText(cmd,"stuffcmds\n");
1042 // put up the loading image so the user doesn't stare at a black screen...
1043 SCR_BeginLoadingPlaque(true);
1045 // check for special benchmark mode
1046 // 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)
1047 i = COM_CheckParm("-benchmark");
1048 if (i && i + 1 < sys.argc)
1049 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1051 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "timedemo %s\n", sys.argv[i + 1]));
1052 Cbuf_Execute(&cmd_client);
1055 // check for special demo mode
1056 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1057 i = COM_CheckParm("-demo");
1058 if (i && i + 1 < sys.argc)
1059 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1061 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "playdemo %s\n", sys.argv[i + 1]));
1062 Cbuf_Execute(&cmd_client);
1065 #ifdef CONFIG_VIDEO_CAPTURE
1066 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1067 i = COM_CheckParm("-capturedemo");
1068 if (i && i + 1 < sys.argc)
1069 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1071 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "playdemo %s\ncl_capturevideo 1\n", sys.argv[i + 1]));
1072 Cbuf_Execute(&cmd_client);
1076 if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1077 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1079 Cbuf_AddText(&cmd_client, "startmap_dm\n");
1080 Cbuf_Execute(&cmd_client);
1083 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1086 Cbuf_AddText(&cmd_client, "togglemenu 1\n");
1088 Cbuf_Execute(&cmd_client);
1091 Con_DPrint("========Initialized=========\n");
1093 if (cls.state != ca_dedicated)
1102 FIXME: this is a callback from Sys_Quit and Sys_Error. It would be better
1103 to run quit through here before the final handoff to the sys code.
1106 void Host_Shutdown(void)
1108 static qboolean isdown = false;
1112 Con_Print("recursive shutdown\n");
1115 if (setjmp(host.abortframe))
1117 Con_Print("aborted the quitting frame?!?\n");
1122 // be quiet while shutting down
1125 // end the server thread
1129 // disconnect client from server if active
1132 // shut down local server if active
1133 SV_LockThreadMutex();
1135 SV_UnlockThreadMutex();
1144 // AK hmm, no PRVM_Shutdown(); yet
1146 CL_Video_Shutdown();
1150 CDAudio_Shutdown ();
1153 NetConn_Shutdown ();
1155 if (cls.state != ca_dedicated)
1157 R_Modules_Shutdown();
1162 TaskQueue_Shutdown();
1171 Host_UnlockSession();