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
35 A server can always be started, even if the system started out as a client
38 A client can NOT be started if the system started as a dedicated server.
40 Memory is cleared / released when a server or client begins, not when they end.
44 // how many frames have occurred
45 // (checked by Host_Error and Host_SaveConfig_f)
46 int host_framecount = 0;
47 // LordHavoc: set when quit is executed
48 qboolean host_shuttingdown = false;
50 // the real time since application started, without any slowmo or clamping
54 client_t *host_client;
56 jmp_buf host_abortframe;
58 // pretend frames take this amount of time (in seconds), 0 = realtime
59 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"};
60 // shows time used by certain subsystems
61 cvar_t host_speeds = {0, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
62 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"};
63 cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "0.2", "how fast the quality adapts to varying framerate"};
64 cvar_t cl_minfps_qualitymax = {CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"};
65 cvar_t cl_minfps_qualitymin = {CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"};
66 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"};
67 cvar_t cl_minfps_qualityscale = {CVAR_SAVE, "cl_minfps_qualityscale", "0.5", "multiplier for quality"};
68 cvar_t cl_maxfps = {CVAR_SAVE, "cl_maxfps", "1000000", "maximum fps cap, if game is running faster than this it will wait before running another frame (useful to make cpu time available to other programs)"};
69 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"};
71 cvar_t developer = {0, "developer","0", "prints additional debugging messages and information (recommended for modders and level designers)"};
72 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)"};
73 cvar_t developer_loading = {0, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
74 cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
76 cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
77 cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
81 Host_AbortCurrentFrame
83 aborts the current host frame and goes on with the next one
86 void Host_AbortCurrentFrame(void)
88 longjmp (host_abortframe, 1);
95 This shuts down both the client and server
98 void Host_Error (const char *error, ...)
100 static char hosterrorstring1[MAX_INPUTLINE];
101 static char hosterrorstring2[MAX_INPUTLINE];
102 static qboolean hosterror = false;
105 // turn off rcon redirect if it was active when the crash occurred
106 rcon_redirect = false;
108 va_start (argptr,error);
109 dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
112 Con_Printf("Host_Error: %s\n", hosterrorstring1);
114 // LordHavoc: if crashing very early, or currently shutting down, do
116 if (host_framecount < 3 || host_shuttingdown)
117 Sys_Error ("Host_Error: %s", hosterrorstring1);
120 Sys_Error ("Host_Error: recursively entered (original error was: %s new error is: %s)", hosterrorstring2, hosterrorstring1);
123 strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
125 CL_Parse_DumpPacket();
127 CL_Parse_ErrorCleanUp();
131 // print out where the crash happened, if it was caused by QC (and do a cleanup)
135 Host_ShutdownServer ();
137 if (cls.state == ca_dedicated)
138 Sys_Error ("Host_Error: %s",hosterrorstring2); // dedicated servers exit
145 Host_AbortCurrentFrame();
148 void Host_ServerOptions (void)
155 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
156 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
157 // if no client is in the executable or -dedicated is specified on
158 // commandline, start a dedicated server
159 i = COM_CheckParm ("-dedicated");
160 if (i || !cl_available)
162 cls.state = ca_dedicated;
163 // check for -dedicated specifying how many players
164 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
165 svs.maxclients = atoi (com_argv[i+1]);
166 if (COM_CheckParm ("-listen"))
167 Con_Printf ("Only one of -dedicated or -listen can be specified\n");
168 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
169 Cvar_SetValue("sv_public", 1);
171 else if (cl_available)
173 // client exists and not dedicated, check if -listen is specified
174 cls.state = ca_disconnected;
175 i = COM_CheckParm ("-listen");
178 // default players unless specified
179 if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
180 svs.maxclients = atoi (com_argv[i+1]);
184 // default players in some games, singleplayer in most
185 if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_BATTLEMECH)
190 svs.maxclients = bound(1, svs.maxclients, MAX_SCOREBOARD);
192 svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
194 if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
195 Cvar_SetValueQuick(&deathmatch, 1);
199 =======================
201 ======================
203 void Host_SaveConfig_f(void);
204 void Host_LoadConfig_f(void);
205 static void Host_InitLocal (void)
207 Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
208 Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
210 Cvar_RegisterVariable (&host_framerate);
211 Cvar_RegisterVariable (&host_speeds);
212 Cvar_RegisterVariable (&cl_minfps);
213 Cvar_RegisterVariable (&cl_minfps_fade);
214 Cvar_RegisterVariable (&cl_minfps_qualitymax);
215 Cvar_RegisterVariable (&cl_minfps_qualitymin);
216 Cvar_RegisterVariable (&cl_minfps_qualitypower);
217 Cvar_RegisterVariable (&cl_minfps_qualityscale);
218 Cvar_RegisterVariable (&cl_maxfps);
219 Cvar_RegisterVariable (&cl_maxidlefps);
221 Cvar_RegisterVariable (&developer);
222 Cvar_RegisterVariable (&developer_loadfile);
223 Cvar_RegisterVariable (&developer_loading);
224 Cvar_RegisterVariable (&developer_entityparsing);
226 Cvar_RegisterVariable (×tamps);
227 Cvar_RegisterVariable (&timeformat);
235 Writes key bindings and archived cvars to config.cfg
238 void Host_SaveConfig_to(const char *file)
242 // dedicated servers initialize the host but don't parse and set the
244 // LordHavoc: don't save a config if it crashed in startup
245 if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
247 f = FS_Open (file, "wb", false, false);
250 Con_Printf("Couldn't write %s.\n", file);
254 Key_WriteBindings (f);
255 Cvar_WriteVariables (f);
260 void Host_SaveConfig(void)
262 Host_SaveConfig_to("config.cfg");
264 void Host_SaveConfig_f(void)
266 const char *file = "config.cfg";
268 if(Cmd_Argc() >= 2) {
270 Con_Printf("Saving to %s\n", file);
273 Host_SaveConfig_to(file);
280 Resets key bindings and cvars to defaults and then reloads scripts
283 void Host_LoadConfig_f(void)
285 // unlock the cvar default strings so they can be updated by the new default.cfg
286 Cvar_UnlockDefaults();
287 // reset cvars to their defaults, and then exec startup scripts again
288 Cbuf_InsertText("cvar_resettodefaults_all;exec quake.rc\n");
295 Sends text across to be displayed
296 FIXME: make this just a stuffed echo?
299 void SV_ClientPrint(const char *msg)
301 if (host_client->netconnection)
303 MSG_WriteByte(&host_client->netconnection->message, svc_print);
304 MSG_WriteString(&host_client->netconnection->message, msg);
312 Sends text across to be displayed
313 FIXME: make this just a stuffed echo?
316 void SV_ClientPrintf(const char *fmt, ...)
319 char msg[MAX_INPUTLINE];
321 va_start(argptr,fmt);
322 dpvsnprintf(msg,sizeof(msg),fmt,argptr);
332 Sends text to all active clients
335 void SV_BroadcastPrint(const char *msg)
340 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
342 if (client->active && client->netconnection)
344 MSG_WriteByte(&client->netconnection->message, svc_print);
345 MSG_WriteString(&client->netconnection->message, msg);
349 if (sv_echobprint.integer && cls.state == ca_dedicated)
357 Sends text to all active clients
360 void SV_BroadcastPrintf(const char *fmt, ...)
363 char msg[MAX_INPUTLINE];
365 va_start(argptr,fmt);
366 dpvsnprintf(msg,sizeof(msg),fmt,argptr);
369 SV_BroadcastPrint(msg);
376 Send text over to the client to be executed
379 void Host_ClientCommands(const char *fmt, ...)
382 char string[MAX_INPUTLINE];
384 if (!host_client->netconnection)
387 va_start(argptr,fmt);
388 dpvsnprintf(string, sizeof(string), fmt, argptr);
391 MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
392 MSG_WriteString(&host_client->netconnection->message, string);
396 =====================
399 Called when the player is getting totally kicked off the host
400 if (crash = true), don't bother sending signofs
401 =====================
403 void SV_DropClient(qboolean crash)
406 Con_Printf("Client \"%s\" dropped\n", host_client->name);
408 SV_StopDemoRecording(host_client);
410 // make sure edict is not corrupt (from a level change for example)
411 host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
413 if (host_client->netconnection)
415 // free the client (the body stays around)
418 // LordHavoc: no opportunity for resending, so use unreliable 3 times
419 unsigned char bufdata[8];
421 memset(&buf, 0, sizeof(buf));
423 buf.maxsize = sizeof(bufdata);
424 MSG_WriteByte(&buf, svc_disconnect);
425 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
426 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
427 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
429 // break the net connection
430 NetConn_Close(host_client->netconnection);
431 host_client->netconnection = NULL;
434 // call qc ClientDisconnect function
435 // LordHavoc: don't call QC if server is dead (avoids recursive
436 // Host_Error in some mods when they run out of edicts)
437 if (host_client->clientconnectcalled && sv.active && host_client->edict)
439 // call the prog function for removing a client
440 // this will set the body to a dead frame, among other things
441 int saveSelf = prog->globals.server->self;
442 host_client->clientconnectcalled = false;
443 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
444 PRVM_ExecuteProgram(prog->globals.server->ClientDisconnect, "QC function ClientDisconnect is missing");
445 prog->globals.server->self = saveSelf;
448 // if a download is active, close it
449 if (host_client->download_file)
451 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
452 FS_Close(host_client->download_file);
453 host_client->download_file = NULL;
454 host_client->download_name[0] = 0;
455 host_client->download_expectedposition = 0;
456 host_client->download_started = false;
459 // remove leaving player from scoreboard
460 host_client->name[0] = 0;
461 host_client->colors = 0;
462 host_client->frags = 0;
463 // send notification to all clients
464 // get number of client manually just to make sure we get it right...
465 i = host_client - svs.clients;
466 MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
467 MSG_WriteByte (&sv.reliable_datagram, i);
468 MSG_WriteString (&sv.reliable_datagram, host_client->name);
469 MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
470 MSG_WriteByte (&sv.reliable_datagram, i);
471 MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
472 MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
473 MSG_WriteByte (&sv.reliable_datagram, i);
474 MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
476 // free the client now
477 if (host_client->entitydatabase)
478 EntityFrame_FreeDatabase(host_client->entitydatabase);
479 if (host_client->entitydatabase4)
480 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
481 if (host_client->entitydatabase5)
482 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
486 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
487 PRVM_ED_ClearEdict(host_client->edict);
490 // clear the client struct (this sets active to false)
491 memset(host_client, 0, sizeof(*host_client));
493 // update server listing on the master because player count changed
494 // (which the master uses for filtering empty/full servers)
495 NetConn_Heartbeat(1);
499 for (i = 0;i < svs.maxclients;i++)
500 if (svs.clients[i].active && !svs.clients[i].spawned)
502 if (i == svs.maxclients)
504 Con_Printf("Loaded game, everyone rejoined - unpausing\n");
505 sv.paused = sv.loadgame = false; // we're basically done with loading now
514 This only happens at the end of a game, not between levels
517 void Host_ShutdownServer(void)
521 Con_DPrintf("Host_ShutdownServer\n");
526 NetConn_Heartbeat(2);
527 NetConn_Heartbeat(2);
529 // make sure all the clients know we're disconnecting
531 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
532 if (host_client->active)
533 SV_DropClient(false); // server shutdown
535 if(prog->funcoffsets.SV_Shutdown)
537 func_t s = prog->funcoffsets.SV_Shutdown;
538 prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
539 PRVM_ExecuteProgram(s,"SV_Shutdown() required");
543 NetConn_CloseServerPorts();
549 memset(&sv, 0, sizeof(sv));
550 memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
554 //============================================================================
558 Host_GetConsoleCommands
560 Add them exactly as if they had been typed at the console
563 void Host_GetConsoleCommands (void)
569 cmd = Sys_ConsoleInput ();
580 Returns a time report string, for example for
583 const char *Host_TimingReport()
585 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);
592 Runs all active servers
595 static void Host_Init(void);
601 double cl_timer, sv_timer;
602 double clframetime, deltarealtime, oldrealtime;
604 int pass1, pass2, pass3, i;
611 realtime = Sys_DoubleTime();
614 if (setjmp(host_abortframe))
615 continue; // something bad happened, or the server disconnected
617 oldrealtime = realtime;
618 realtime = Sys_DoubleTime();
620 deltarealtime = realtime - oldrealtime;
621 cl_timer += deltarealtime;
622 sv_timer += deltarealtime;
624 svs.perf_acc_realtime += deltarealtime;
626 // Look for clients who have spawned
627 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
628 if(host_client->spawned)
629 if(host_client->netconnection)
631 if(i == svs.maxclients)
633 // Nobody is looking? Then we won't do timing...
634 // Instead, reset it to zero
635 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;
637 else if(svs.perf_acc_realtime > 5)
639 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
640 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
641 if(svs.perf_acc_offset_samples > 0)
643 svs.perf_offset_max = svs.perf_acc_offset_max;
644 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
645 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
647 if(svs.perf_lost > 0)
648 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
649 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;
652 if (slowmo.value < 0.00001 && slowmo.value != 0)
653 Cvar_SetValue("slowmo", 0);
654 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
655 Cvar_SetValue("host_framerate", 0);
657 // keep the random time dependent, but not when playing demos/benchmarking
658 if(!*sv_random_seed.string && !cls.demoplayback)
661 cl.islocalgame = NetConn_IsLocalGame();
663 // get new key events
666 NetConn_UpdateSockets();
668 Log_DestBuffer_Flush();
670 // receive packets on each main loop iteration, as the main loop may
671 // be undersleeping due to select() detecting a new packet
673 NetConn_ServerFrame();
677 // check for commands typed to the host
678 Host_GetConsoleCommands();
680 // when a server is running we only execute console commands on server frames
681 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
682 // otherwise we execute them on all frames
683 if (sv_timer > 0 || !sv.active)
685 // process console commands
689 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
691 // if the accumulators haven't become positive yet, wait a while
692 if (cls.state == ca_dedicated)
693 wait = sv_timer * -1000000.0;
695 wait = cl_timer * -1000000.0;
697 wait = max(cl_timer, sv_timer) * -1000000.0;
698 wait = bound(0, wait, 100000);
700 if (!cls.timedemo && wait >= 1)
702 double time0 = Sys_DoubleTime();
703 if (sv_checkforpacketsduringsleep.integer)
704 NetConn_SleepMicroseconds((int)wait);
706 Sys_Sleep((int)wait);
707 svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
711 //-------------------
715 //-------------------
717 // limit the frametime steps to no more than 100ms each
722 svs.perf_acc_lost += (sv_timer - 0.1);
726 if (sv.active && sv_timer > 0)
728 // execute one or more server frames, with an upper limit on how much
729 // execution time to spend on server frames to avoid freezing the game if
730 // the server is overloaded, this execution time limit means the game will
731 // slow down if the server is taking too long.
732 int framecount, framelimit = 1;
733 double advancetime, aborttime = 0;
736 // run the world state
737 // don't allow simulation to run too fast or too slow or logic glitches can occur
739 // stop running server frames if the wall time reaches this value
740 if (sys_ticrate.value <= 0)
741 advancetime = sv_timer;
742 else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
744 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
745 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
747 aborttime = realtime + 0.1;
751 advancetime = sys_ticrate.value;
752 // listen servers can run multiple server frames per client frame
753 if (cls.state == ca_connected)
756 aborttime = realtime + 0.1;
759 advancetime = min(advancetime, 0.1);
763 offset = sv_timer + (Sys_DoubleTime() - realtime);
764 ++svs.perf_acc_offset_samples;
765 svs.perf_acc_offset += offset;
766 svs.perf_acc_offset_squared += offset * offset;
767 if(svs.perf_acc_offset_max < offset)
768 svs.perf_acc_offset_max = offset;
771 // only advance time if not paused
772 // the game also pauses in singleplayer when menu or console is used
773 sv.frametime = advancetime * slowmo.value;
774 if (host_framerate.value)
775 sv.frametime = host_framerate.value;
776 if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive)))
779 // setup the VM frame
782 for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
784 sv_timer -= advancetime;
786 // move things around and think unless paused
790 // if this server frame took too long, break out of the loop
791 if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
795 // send all messages to the clients
796 SV_SendClientMessages();
798 // end the server VM frame
801 // send an heartbeat if enough time has passed since the last one
802 NetConn_Heartbeat(0);
805 //-------------------
809 //-------------------
811 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo))
813 // decide the simulation time
814 if (cls.capturevideo.active)
816 if (cls.capturevideo.realtime)
817 clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
820 clframetime = 1.0 / cls.capturevideo.framerate;
821 cl.realframetime = max(cl_timer, clframetime);
824 else if (vid_activewindow)
825 clframetime = cl.realframetime = max(cl_timer, 1.0 / max(5.0f, cl_maxfps.value));
827 clframetime = cl.realframetime = max(cl_timer, 1.0 / max(5.0f, cl_maxidlefps.value));
829 // apply slowmo scaling
830 clframetime *= cl.movevars_timescale;
831 // scale playback speed of demos by slowmo cvar
832 if (cls.demoplayback)
834 clframetime *= slowmo.value;
835 // if demo playback is paused, don't advance time at all
840 // host_framerate overrides all else
841 if (host_framerate.value)
842 clframetime = host_framerate.value;
845 clframetime = cl.realframetime = cl_timer;
847 // deduct the frame time from the accumulator
848 cl_timer -= cl.realframetime;
850 cl.oldtime = cl.time;
851 cl.time += clframetime;
853 // Collect input into cmd
856 // check for new packets
857 NetConn_ClientFrame();
859 // read a new frame from a demo if needed
860 CL_ReadDemoMessage();
862 // now that packets have been read, send input to server
865 // update client world (interpolate entities, create trails, etc)
869 if (host_speeds.integer)
870 time1 = Sys_DoubleTime();
879 if (host_speeds.integer)
880 time2 = Sys_DoubleTime();
883 if(cl.csqc_usecsqclistener)
885 S_Update(&cl.csqc_listenermatrix);
886 cl.csqc_usecsqclistener = false;
889 S_Update(&r_refdef.view.matrix);
893 if (host_speeds.integer)
895 pass1 = (int)((time1 - time3)*1000000);
896 time3 = Sys_DoubleTime();
897 pass2 = (int)((time2 - time1)*1000000);
898 pass3 = (int)((time3 - time2)*1000000);
899 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
900 pass1+pass2+pass3, pass1, pass2, pass3);
904 // if there is some time remaining from this frame, reset the timers
909 svs.perf_acc_lost += sv_timer;
917 //============================================================================
919 qboolean vid_opened = false;
920 void Host_StartVideo(void)
922 if (!vid_opened && cls.state != ca_dedicated)
930 char engineversion[128];
932 qboolean sys_nostdout = false;
934 extern void Render_Init(void);
935 extern void Mathlib_Init(void);
936 extern void FS_Init(void);
937 extern void FS_Shutdown(void);
938 extern void PR_Cmd_Init(void);
939 extern void COM_Init_Commands(void);
940 extern void FS_Init_Commands(void);
941 extern qboolean host_stuffcmdsrun;
948 static void Host_Init (void)
953 if (COM_CheckParm("-profilegameonly"))
954 Sys_AllowProfiling(false);
956 // LordHavoc: quake never seeded the random number generator before... heh
957 if (COM_CheckParm("-benchmark"))
958 srand(0); // predictable random sequence for -benchmark
962 // FIXME: this is evil, but possibly temporary
963 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
964 if (COM_CheckParm("-developer"))
966 developer.value = developer.integer = 1;
967 developer.string = "1";
970 if (COM_CheckParm("-developer2"))
972 developer.value = developer.integer = 100;
973 developer.string = "100";
974 developer_memory.value = developer_memory.integer = 100;
975 developer.string = "100";
976 developer_memorydebug.value = developer_memorydebug.integer = 100;
977 developer_memorydebug.string = "100";
980 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
981 if (COM_CheckParm("-nostdout"))
984 // used by everything
987 // initialize console command/cvar/alias/command execution systems
990 // initialize memory subsystem cvars/commands
991 Memory_Init_Commands();
993 // initialize console and logging and its cvars/commands
996 // initialize various cvars that could not be initialized earlier
997 Curl_Init_Commands();
1000 COM_Init_Commands();
1003 // initialize console window (only used by sys_win.c)
1006 // detect gamemode from commandline options or executable name
1009 // construct a version string for the corner of the console
1011 dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1012 Con_Printf("%s\n", engineversion);
1014 // initialize ixtable
1017 // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1028 Host_InitCommands();
1030 Host_ServerOptions();
1032 if (cls.state != ca_dedicated)
1034 Con_DPrintf("Initializing client\n");
1049 // set up the default startmap_sp and startmap_dm aliases (mods can
1050 // override these) and then execute the quake.rc startup script
1051 if (gamemode == GAME_NEHAHRA)
1052 Cbuf_AddText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec quake.rc\n");
1053 else if (gamemode == GAME_TRANSFUSION)
1054 Cbuf_AddText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec quake.rc\n");
1055 else if (gamemode == GAME_TEU)
1056 Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
1058 Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec quake.rc\n");
1061 // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1062 if (!host_stuffcmdsrun)
1064 Cbuf_AddText("exec default.cfg\nexec config.cfg\nexec autoexec.cfg\nstuffcmds\n");
1068 // put up the loading image so the user doesn't stare at a black screen...
1069 SCR_BeginLoadingPlaque();
1071 // FIXME: put this into some neat design, but the menu should be allowed to crash
1072 // without crashing the whole game, so this should just be a short-time solution
1074 // here comes the not so critical stuff
1075 if (setjmp(host_abortframe)) {
1079 if (cls.state != ca_dedicated)
1084 // check for special benchmark mode
1085 // 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)
1086 i = COM_CheckParm("-benchmark");
1087 if (i && i + 1 < com_argc)
1088 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1090 Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
1094 // check for special demo mode
1095 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1096 i = COM_CheckParm("-demo");
1097 if (i && i + 1 < com_argc)
1098 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1100 Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
1104 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1105 i = COM_CheckParm("-capturedemo");
1106 if (i && i + 1 < com_argc)
1107 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1109 Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1113 if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1114 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1116 Cbuf_AddText("startmap_dm\n");
1120 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1122 Cbuf_AddText("togglemenu\n");
1126 Con_DPrint("========Initialized=========\n");
1128 //Host_StartVideo();
1136 FIXME: this is a callback from Sys_Quit and Sys_Error. It would be better
1137 to run quit through here before the final handoff to the sys code.
1140 void Host_Shutdown(void)
1142 static qboolean isdown = false;
1146 Con_Print("recursive shutdown\n");
1149 if (setjmp(host_abortframe))
1151 Con_Print("aborted the quitting frame?!?\n");
1156 // be quiet while shutting down
1159 // disconnect client from server if active
1162 // shut down local server if active
1163 Host_ShutdownServer ();
1170 // AK hmm, no PRVM_Shutdown(); yet
1172 CL_Gecko_Shutdown();
1173 CL_Video_Shutdown();
1177 CDAudio_Shutdown ();
1180 NetConn_Shutdown ();
1183 if (cls.state != ca_dedicated)
1185 R_Modules_Shutdown();