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
37 A server can always be started, even if the system started out as a client
40 A client can NOT be started if the system started as a dedicated server.
42 Memory is cleared / released when a server or client begins, not when they end.
46 // how many frames have occurred
47 // (checked by Host_Error and Host_SaveConfig_f)
48 int host_framecount = 0;
49 // LordHavoc: set when quit is executed
50 qboolean host_shuttingdown = false;
52 // the real time since application started, without any slowmo or clamping
56 client_t *host_client;
58 jmp_buf host_abortframe;
59 double host_starttime = 0;
61 // pretend frames take this amount of time (in seconds), 0 = realtime
62 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"};
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"};
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"};
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"};
88 Host_AbortCurrentFrame
90 aborts the current host frame and goes on with the next one
93 void Host_AbortCurrentFrame(void)
95 longjmp (host_abortframe, 1);
102 This shuts down both the client and server
105 void Host_Error (const char *error, ...)
107 static char hosterrorstring1[MAX_INPUTLINE];
108 static char hosterrorstring2[MAX_INPUTLINE];
109 static qboolean hosterror = false;
112 // turn off rcon redirect if it was active when the crash occurred
113 // to prevent loops when it is a networking problem
114 Con_Rcon_Redirect_Abort();
116 va_start (argptr,error);
117 dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
120 Con_Printf("Host_Error: %s\n", hosterrorstring1);
122 // LordHavoc: if crashing very early, or currently shutting down, do
124 if (host_framecount < 3 || host_shuttingdown)
125 Sys_Error ("Host_Error: %s", hosterrorstring1);
128 Sys_Error ("Host_Error: recursively entered (original error was: %s new error is: %s)", hosterrorstring2, hosterrorstring1);
131 strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
133 CL_Parse_DumpPacket();
135 CL_Parse_ErrorCleanUp();
139 // print out where the crash happened, if it was caused by QC (and do a cleanup)
143 Host_ShutdownServer ();
145 if (cls.state == ca_dedicated)
146 Sys_Error ("Host_Error: %s",hosterrorstring2); // dedicated servers exit
153 Host_AbortCurrentFrame();
156 void Host_ServerOptions (void)
163 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
164 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
165 // if no client is in the executable or -dedicated is specified on
166 // commandline, start a dedicated server
167 i = COM_CheckParm ("-dedicated");
168 if (i || !cl_available)
170 cls.state = ca_dedicated;
171 // check for -dedicated specifying how many players
172 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
173 svs.maxclients = atoi (com_argv[i+1]);
174 if (COM_CheckParm ("-listen"))
175 Con_Printf ("Only one of -dedicated or -listen can be specified\n");
176 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
177 Cvar_SetValue("sv_public", 1);
179 else if (cl_available)
181 // client exists and not dedicated, check if -listen is specified
182 cls.state = ca_disconnected;
183 i = COM_CheckParm ("-listen");
186 // default players unless specified
187 if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
188 svs.maxclients = atoi (com_argv[i+1]);
192 // default players in some games, singleplayer in most
193 if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
198 svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
200 svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
202 if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
203 Cvar_SetValueQuick(&deathmatch, 1);
207 =======================
209 ======================
211 void Host_SaveConfig_f(void);
212 void Host_LoadConfig_f(void);
213 extern cvar_t sv_writepicture_quality;
214 extern cvar_t r_texture_jpeg_fastpicmip;
215 static void Host_InitLocal (void)
217 Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
218 Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
220 Cvar_RegisterVariable (&host_framerate);
221 Cvar_RegisterVariable (&host_speeds);
222 Cvar_RegisterVariable (&host_maxwait);
223 Cvar_RegisterVariable (&cl_minfps);
224 Cvar_RegisterVariable (&cl_minfps_fade);
225 Cvar_RegisterVariable (&cl_minfps_qualitymax);
226 Cvar_RegisterVariable (&cl_minfps_qualitymin);
227 Cvar_RegisterVariable (&cl_minfps_qualitypower);
228 Cvar_RegisterVariable (&cl_minfps_qualityscale);
229 Cvar_RegisterVariable (&cl_maxfps);
230 Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
231 Cvar_RegisterVariable (&cl_maxidlefps);
233 Cvar_RegisterVariable (&developer);
234 Cvar_RegisterVariable (&developer_extra);
235 Cvar_RegisterVariable (&developer_insane);
236 Cvar_RegisterVariable (&developer_loadfile);
237 Cvar_RegisterVariable (&developer_loading);
238 Cvar_RegisterVariable (&developer_entityparsing);
240 Cvar_RegisterVariable (×tamps);
241 Cvar_RegisterVariable (&timeformat);
243 Cvar_RegisterVariable (&sv_writepicture_quality);
244 Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
252 Writes key bindings and archived cvars to config.cfg
255 void Host_SaveConfig_to(const char *file)
259 // dedicated servers initialize the host but don't parse and set the
261 // LordHavoc: don't save a config if it crashed in startup
262 if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
264 f = FS_OpenRealFile(file, "wb", false);
267 Con_Printf("Couldn't write %s.\n", file);
271 Key_WriteBindings (f);
272 Cvar_WriteVariables (f);
277 void Host_SaveConfig(void)
279 Host_SaveConfig_to(CONFIGFILENAME);
281 void Host_SaveConfig_f(void)
283 const char *file = CONFIGFILENAME;
285 if(Cmd_Argc() >= 2) {
287 Con_Printf("Saving to %s\n", file);
290 Host_SaveConfig_to(file);
297 Resets key bindings and cvars to defaults and then reloads scripts
300 void Host_LoadConfig_f(void)
302 // unlock the cvar default strings so they can be updated by the new default.cfg
303 Cvar_UnlockDefaults();
304 // reset cvars to their defaults, and then exec startup scripts again
305 Cbuf_InsertText("cvar_resettodefaults_all;exec " STARTCONFIGFILENAME "\n");
312 Sends text across to be displayed
313 FIXME: make this just a stuffed echo?
316 void SV_ClientPrint(const char *msg)
318 if (host_client->netconnection)
320 MSG_WriteByte(&host_client->netconnection->message, svc_print);
321 MSG_WriteString(&host_client->netconnection->message, msg);
329 Sends text across to be displayed
330 FIXME: make this just a stuffed echo?
333 void SV_ClientPrintf(const char *fmt, ...)
336 char msg[MAX_INPUTLINE];
338 va_start(argptr,fmt);
339 dpvsnprintf(msg,sizeof(msg),fmt,argptr);
349 Sends text to all active clients
352 void SV_BroadcastPrint(const char *msg)
357 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
359 if (client->active && client->netconnection)
361 MSG_WriteByte(&client->netconnection->message, svc_print);
362 MSG_WriteString(&client->netconnection->message, msg);
366 if (sv_echobprint.integer && cls.state == ca_dedicated)
374 Sends text to all active clients
377 void SV_BroadcastPrintf(const char *fmt, ...)
380 char msg[MAX_INPUTLINE];
382 va_start(argptr,fmt);
383 dpvsnprintf(msg,sizeof(msg),fmt,argptr);
386 SV_BroadcastPrint(msg);
393 Send text over to the client to be executed
396 void Host_ClientCommands(const char *fmt, ...)
399 char string[MAX_INPUTLINE];
401 if (!host_client->netconnection)
404 va_start(argptr,fmt);
405 dpvsnprintf(string, sizeof(string), fmt, argptr);
408 MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
409 MSG_WriteString(&host_client->netconnection->message, string);
413 =====================
416 Called when the player is getting totally kicked off the host
417 if (crash = true), don't bother sending signofs
418 =====================
420 void SV_DropClient(qboolean crash)
423 Con_Printf("Client \"%s\" dropped\n", host_client->name);
425 SV_StopDemoRecording(host_client);
427 // make sure edict is not corrupt (from a level change for example)
428 host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
430 if (host_client->netconnection)
432 // free the client (the body stays around)
435 // LordHavoc: no opportunity for resending, so use unreliable 3 times
436 unsigned char bufdata[8];
438 memset(&buf, 0, sizeof(buf));
440 buf.maxsize = sizeof(bufdata);
441 MSG_WriteByte(&buf, svc_disconnect);
442 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
443 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
444 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
446 // break the net connection
447 NetConn_Close(host_client->netconnection);
448 host_client->netconnection = NULL;
451 // call qc ClientDisconnect function
452 // LordHavoc: don't call QC if server is dead (avoids recursive
453 // Host_Error in some mods when they run out of edicts)
454 if (host_client->clientconnectcalled && sv.active && host_client->edict)
456 // call the prog function for removing a client
457 // this will set the body to a dead frame, among other things
458 int saveSelf = prog->globals.server->self;
459 host_client->clientconnectcalled = false;
460 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
461 PRVM_ExecuteProgram(prog->globals.server->ClientDisconnect, "QC function ClientDisconnect is missing");
462 prog->globals.server->self = saveSelf;
465 // if a download is active, close it
466 if (host_client->download_file)
468 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
469 FS_Close(host_client->download_file);
470 host_client->download_file = NULL;
471 host_client->download_name[0] = 0;
472 host_client->download_expectedposition = 0;
473 host_client->download_started = false;
476 // remove leaving player from scoreboard
477 host_client->name[0] = 0;
478 host_client->colors = 0;
479 host_client->frags = 0;
480 // send notification to all clients
481 // get number of client manually just to make sure we get it right...
482 i = host_client - svs.clients;
483 MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
484 MSG_WriteByte (&sv.reliable_datagram, i);
485 MSG_WriteString (&sv.reliable_datagram, host_client->name);
486 MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
487 MSG_WriteByte (&sv.reliable_datagram, i);
488 MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
489 MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
490 MSG_WriteByte (&sv.reliable_datagram, i);
491 MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
493 // free the client now
494 if (host_client->entitydatabase)
495 EntityFrame_FreeDatabase(host_client->entitydatabase);
496 if (host_client->entitydatabase4)
497 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
498 if (host_client->entitydatabase5)
499 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
503 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
504 PRVM_ED_ClearEdict(host_client->edict);
507 // clear the client struct (this sets active to false)
508 memset(host_client, 0, sizeof(*host_client));
510 // update server listing on the master because player count changed
511 // (which the master uses for filtering empty/full servers)
512 NetConn_Heartbeat(1);
516 for (i = 0;i < svs.maxclients;i++)
517 if (svs.clients[i].active && !svs.clients[i].spawned)
519 if (i == svs.maxclients)
521 Con_Printf("Loaded game, everyone rejoined - unpausing\n");
522 sv.paused = sv.loadgame = false; // we're basically done with loading now
531 This only happens at the end of a game, not between levels
534 void Host_ShutdownServer(void)
538 Con_DPrintf("Host_ShutdownServer\n");
543 NetConn_Heartbeat(2);
544 NetConn_Heartbeat(2);
546 // make sure all the clients know we're disconnecting
548 World_End(&sv.world);
550 if(prog->funcoffsets.SV_Shutdown)
552 func_t s = prog->funcoffsets.SV_Shutdown;
553 prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
554 PRVM_ExecuteProgram(s,"SV_Shutdown() required");
556 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
557 if (host_client->active)
558 SV_DropClient(false); // server shutdown
561 NetConn_CloseServerPorts();
567 memset(&sv, 0, sizeof(sv));
568 memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
572 //============================================================================
576 Host_GetConsoleCommands
578 Add them exactly as if they had been typed at the console
581 void Host_GetConsoleCommands (void)
587 cmd = Sys_ConsoleInput ();
598 Returns a time report string, for example for
601 const char *Host_TimingReport(void)
603 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);
610 Runs all active servers
613 static void Host_Init(void);
619 double cl_timer, sv_timer;
620 double clframetime, deltarealtime, oldrealtime;
622 int pass1, pass2, pass3, i;
629 realtime = host_starttime = Sys_DoubleTime();
632 if (setjmp(host_abortframe))
634 SCR_ClearLoadingScreen(false);
635 continue; // something bad happened, or the server disconnected
638 oldrealtime = realtime;
639 realtime = Sys_DoubleTime();
641 deltarealtime = realtime - oldrealtime;
642 cl_timer += deltarealtime;
643 sv_timer += deltarealtime;
645 svs.perf_acc_realtime += deltarealtime;
647 // Look for clients who have spawned
648 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
649 if(host_client->spawned)
650 if(host_client->netconnection)
652 if(i == svs.maxclients)
654 // Nobody is looking? Then we won't do timing...
655 // Instead, reset it to zero
656 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;
658 else if(svs.perf_acc_realtime > 5)
660 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
661 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
662 if(svs.perf_acc_offset_samples > 0)
664 svs.perf_offset_max = svs.perf_acc_offset_max;
665 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
666 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
668 if(svs.perf_lost > 0 && developer_extra.integer)
669 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
670 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;
673 if (slowmo.value < 0.00001 && slowmo.value != 0)
674 Cvar_SetValue("slowmo", 0);
675 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
676 Cvar_SetValue("host_framerate", 0);
678 // keep the random time dependent, but not when playing demos/benchmarking
679 if(!*sv_random_seed.string && !cls.demoplayback)
682 cl.islocalgame = NetConn_IsLocalGame();
684 // get new key events
685 Key_EventQueue_Unblock();
686 SndSys_SendKeyEvents();
689 NetConn_UpdateSockets();
691 Log_DestBuffer_Flush();
693 // receive packets on each main loop iteration, as the main loop may
694 // be undersleeping due to select() detecting a new packet
696 NetConn_ServerFrame();
700 // check for commands typed to the host
701 Host_GetConsoleCommands();
703 // when a server is running we only execute console commands on server frames
704 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
705 // otherwise we execute them on client frames
706 if (sv.active ? sv_timer > 0 : cl_timer > 0)
708 // process console commands
709 // R_TimeReport("preconsole");
710 CL_VM_PreventInformationLeaks();
712 // R_TimeReport("console");
715 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
717 // if the accumulators haven't become positive yet, wait a while
718 if (cls.state == ca_dedicated)
719 wait = sv_timer * -1000000.0;
721 wait = cl_timer * -1000000.0;
723 wait = max(cl_timer, sv_timer) * -1000000.0;
725 if (!cls.timedemo && wait >= 1)
729 if(host_maxwait.value <= 0)
730 wait = min(wait, 1000000.0);
732 wait = min(wait, host_maxwait.value * 1000.0);
734 wait = 1; // because we cast to int
736 time0 = Sys_DoubleTime();
737 if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
738 NetConn_SleepMicroseconds((int)wait);
740 Sys_Sleep((int)wait);
741 svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
742 // R_TimeReport("sleep");
748 //-------------------
752 //-------------------
754 // limit the frametime steps to no more than 100ms each
759 svs.perf_acc_lost += (sv_timer - 0.1);
763 if (sv.active && sv_timer > 0)
765 // execute one or more server frames, with an upper limit on how much
766 // execution time to spend on server frames to avoid freezing the game if
767 // the server is overloaded, this execution time limit means the game will
768 // slow down if the server is taking too long.
769 int framecount, framelimit = 1;
770 double advancetime, aborttime = 0;
773 // run the world state
774 // don't allow simulation to run too fast or too slow or logic glitches can occur
776 // stop running server frames if the wall time reaches this value
777 if (sys_ticrate.value <= 0)
778 advancetime = sv_timer;
779 else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
781 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
782 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
784 aborttime = realtime + 0.1;
788 advancetime = sys_ticrate.value;
789 // listen servers can run multiple server frames per client frame
790 if (cls.state == ca_connected)
793 aborttime = realtime + 0.1;
796 if(slowmo.value > 0 && slowmo.value < 1)
797 advancetime = min(advancetime, 0.1 / slowmo.value);
799 advancetime = min(advancetime, 0.1);
803 offset = sv_timer + (Sys_DoubleTime() - realtime);
804 ++svs.perf_acc_offset_samples;
805 svs.perf_acc_offset += offset;
806 svs.perf_acc_offset_squared += offset * offset;
807 if(svs.perf_acc_offset_max < offset)
808 svs.perf_acc_offset_max = offset;
811 // only advance time if not paused
812 // the game also pauses in singleplayer when menu or console is used
813 sv.frametime = advancetime * slowmo.value;
814 if (host_framerate.value)
815 sv.frametime = host_framerate.value;
816 if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
819 // setup the VM frame
822 for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
824 sv_timer -= advancetime;
826 // move things around and think unless paused
830 // if this server frame took too long, break out of the loop
831 if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
834 R_TimeReport("serverphysics");
836 // send all messages to the clients
837 SV_SendClientMessages();
839 if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
840 prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
841 PRVM_ExecuteProgram(prog->funcoffsets.SV_PausedTic, "QC function SV_PausedTic is missing");
844 // end the server VM frame
847 // send an heartbeat if enough time has passed since the last one
848 NetConn_Heartbeat(0);
849 R_TimeReport("servernetwork");
853 // don't let r_speeds display jump around
854 R_TimeReport("serverphysics");
855 R_TimeReport("servernetwork");
858 //-------------------
862 //-------------------
864 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
867 // decide the simulation time
868 if (cls.capturevideo.active)
871 if (cls.capturevideo.realtime)
872 clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
875 clframetime = 1.0 / cls.capturevideo.framerate;
876 cl.realframetime = max(cl_timer, clframetime);
879 else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
881 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
882 // when running slow, we need to sleep to keep input responsive
883 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
885 Sys_Sleep((int)wait);
887 else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
888 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
890 clframetime = cl.realframetime = cl_timer;
892 // apply slowmo scaling
893 clframetime *= cl.movevars_timescale;
894 // scale playback speed of demos by slowmo cvar
895 if (cls.demoplayback)
897 clframetime *= slowmo.value;
898 // if demo playback is paused, don't advance time at all
903 // host_framerate overrides all else
904 if (host_framerate.value)
905 clframetime = host_framerate.value;
907 if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
911 clframetime = cl.realframetime = cl_timer;
913 // deduct the frame time from the accumulator
914 cl_timer -= cl.realframetime;
916 cl.oldtime = cl.time;
917 cl.time += clframetime;
920 if (host_speeds.integer)
921 time1 = Sys_DoubleTime();
922 R_TimeReport("pre-input");
924 // Collect input into cmd
927 R_TimeReport("input");
929 // check for new packets
930 NetConn_ClientFrame();
932 // read a new frame from a demo if needed
933 CL_ReadDemoMessage();
934 R_TimeReport("clientnetwork");
936 // now that packets have been read, send input to server
938 R_TimeReport("sendmove");
940 // update client world (interpolate entities, create trails, etc)
942 R_TimeReport("lerpworld");
947 R_TimeReport("client");
950 R_TimeReport("render");
952 if (host_speeds.integer)
953 time2 = Sys_DoubleTime();
956 if(cl.csqc_usecsqclistener)
958 S_Update(&cl.csqc_listenermatrix);
959 cl.csqc_usecsqclistener = false;
962 S_Update(&r_refdef.view.matrix);
965 R_TimeReport("audio");
967 // reset gathering of mouse input
968 in_mouse_x = in_mouse_y = 0;
970 if (host_speeds.integer)
972 pass1 = (int)((time1 - time3)*1000000);
973 time3 = Sys_DoubleTime();
974 pass2 = (int)((time2 - time1)*1000000);
975 pass3 = (int)((time3 - time2)*1000000);
976 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
977 pass1+pass2+pass3, pass1, pass2, pass3);
982 Mem_CheckSentinelsGlobal();
984 if (developer_memorydebug.integer)
985 Mem_CheckSentinelsGlobal();
988 // if there is some time remaining from this frame, reset the timers
993 svs.perf_acc_lost += sv_timer;
1001 //============================================================================
1003 qboolean vid_opened = false;
1004 void Host_StartVideo(void)
1006 if (!vid_opened && cls.state != ca_dedicated)
1009 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1010 NetConn_UpdateSockets();
1016 char engineversion[128];
1018 qboolean sys_nostdout = false;
1020 extern void u8_Init(void);
1021 extern void Render_Init(void);
1022 extern void Mathlib_Init(void);
1023 extern void FS_Init_SelfPack(void);
1024 extern void FS_Init(void);
1025 extern void FS_Shutdown(void);
1026 extern void PR_Cmd_Init(void);
1027 extern void COM_Init_Commands(void);
1028 extern void FS_Init_Commands(void);
1029 extern qboolean host_stuffcmdsrun;
1032 ====================
1034 ====================
1036 static void Host_Init (void)
1041 if (COM_CheckParm("-profilegameonly"))
1042 Sys_AllowProfiling(false);
1044 // LordHavoc: quake never seeded the random number generator before... heh
1045 if (COM_CheckParm("-benchmark"))
1046 srand(0); // predictable random sequence for -benchmark
1048 srand((unsigned int)time(NULL));
1050 // FIXME: this is evil, but possibly temporary
1051 // LordHavoc: doesn't seem very temporary...
1052 // LordHavoc: made this a saved cvar
1053 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1054 if (COM_CheckParm("-developer"))
1056 developer.value = developer.integer = 1;
1057 developer.string = "1";
1060 if (COM_CheckParm("-developer2"))
1062 developer.value = developer.integer = 1;
1063 developer.string = "1";
1064 developer_extra.value = developer_extra.integer = 1;
1065 developer_extra.string = "1";
1066 developer_insane.value = developer_insane.integer = 1;
1067 developer_insane.string = "1";
1068 developer_memory.value = developer_memory.integer = 1;
1069 developer_memory.string = "1";
1070 developer_memorydebug.value = developer_memorydebug.integer = 1;
1071 developer_memorydebug.string = "1";
1074 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1075 if (COM_CheckParm("-nostdout"))
1078 // used by everything
1081 // initialize console command/cvar/alias/command execution systems
1084 // initialize memory subsystem cvars/commands
1085 Memory_Init_Commands();
1087 // initialize console and logging and its cvars/commands
1090 // initialize various cvars that could not be initialized earlier
1092 Curl_Init_Commands();
1093 Cmd_Init_Commands();
1094 Sys_Init_Commands();
1095 COM_Init_Commands();
1098 // initialize console window (only used by sys_win.c)
1101 // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1104 // detect gamemode from commandline options or executable name
1107 // construct a version string for the corner of the console
1109 dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1110 Con_Printf("%s\n", engineversion);
1112 // initialize ixtable
1115 // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1118 // must be after FS_Init
1120 Crypto_Init_Commands();
1130 V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1131 Host_InitCommands();
1133 Host_ServerOptions();
1135 if (cls.state == ca_dedicated)
1136 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1139 Con_DPrintf("Initializing client\n");
1154 // set up the default startmap_sp and startmap_dm aliases (mods can
1155 // override these) and then execute the quake.rc startup script
1156 if (gamemode == GAME_NEHAHRA)
1157 Cbuf_AddText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
1158 else if (gamemode == GAME_TRANSFUSION)
1159 Cbuf_AddText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
1160 else if (gamemode == GAME_TEU)
1161 Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
1163 Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
1166 // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1167 if (!host_stuffcmdsrun)
1169 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1173 // put up the loading image so the user doesn't stare at a black screen...
1174 SCR_BeginLoadingPlaque();
1176 // FIXME: put this into some neat design, but the menu should be allowed to crash
1177 // without crashing the whole game, so this should just be a short-time solution
1179 // here comes the not so critical stuff
1180 if (setjmp(host_abortframe)) {
1184 if (cls.state != ca_dedicated)
1189 // check for special benchmark mode
1190 // 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)
1191 i = COM_CheckParm("-benchmark");
1192 if (i && i + 1 < com_argc)
1193 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1195 Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
1199 // check for special demo mode
1200 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1201 i = COM_CheckParm("-demo");
1202 if (i && i + 1 < com_argc)
1203 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1205 Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
1209 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1210 i = COM_CheckParm("-capturedemo");
1211 if (i && i + 1 < com_argc)
1212 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1214 Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1218 if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1219 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1221 Cbuf_AddText("startmap_dm\n");
1225 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1227 Cbuf_AddText("togglemenu\n");
1231 Con_DPrint("========Initialized=========\n");
1233 //Host_StartVideo();
1241 FIXME: this is a callback from Sys_Quit and Sys_Error. It would be better
1242 to run quit through here before the final handoff to the sys code.
1245 void Host_Shutdown(void)
1247 static qboolean isdown = false;
1251 Con_Print("recursive shutdown\n");
1254 if (setjmp(host_abortframe))
1256 Con_Print("aborted the quitting frame?!?\n");
1261 // be quiet while shutting down
1264 // disconnect client from server if active
1267 // shut down local server if active
1268 Host_ShutdownServer ();
1275 // AK hmm, no PRVM_Shutdown(); yet
1277 CL_Gecko_Shutdown();
1278 CL_Video_Shutdown();
1282 CDAudio_Shutdown ();
1285 NetConn_Shutdown ();
1288 if (cls.state != ca_dedicated)
1290 R_Modules_Shutdown();