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
36 A server can always be started, even if the system started out as a client
39 A client can NOT be started if the system started as a dedicated server.
41 Memory is cleared / released when a server or client begins, not when they end.
45 // how many frames have occurred
46 // (checked by Host_Error and Host_SaveConfig_f)
47 int host_framecount = 0;
48 // LordHavoc: set when quit is executed
49 qboolean host_shuttingdown = false;
51 // the real time since application started, without any slowmo or clamping
55 client_t *host_client;
57 jmp_buf host_abortframe;
58 double host_starttime = 0;
60 // pretend frames take this amount of time (in seconds), 0 = realtime
61 cvar_t host_framerate = {0, "host_framerate","0", "locks frame timing to this value in seconds, 0.05 is 20fps for example, note that this can easily run too fast, use cl_maxfps if you want to limit your framerate instead, or sys_ticrate to limit server speed"};
62 // shows time used by certain subsystems
63 cvar_t host_speeds = {0, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
64 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."};
65 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"};
66 cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "0.2", "how fast the quality adapts to varying framerate"};
67 cvar_t cl_minfps_qualitymax = {CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"};
68 cvar_t cl_minfps_qualitymin = {CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"};
69 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"};
70 cvar_t cl_minfps_qualityscale = {CVAR_SAVE, "cl_minfps_qualityscale", "0.5", "multiplier for quality"};
71 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)"};
72 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"};
73 cvar_t cl_maxidlefps = {CVAR_SAVE, "cl_maxidlefps", "20", "maximum fps cap when the game is not the active window (makes cpu time available to other programs"};
75 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"};
76 cvar_t developer_extra = {0, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
77 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!"};
78 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)"};
79 cvar_t developer_loading = {0, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
80 cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
82 cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
83 cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
87 Host_AbortCurrentFrame
89 aborts the current host frame and goes on with the next one
92 void Host_AbortCurrentFrame(void)
94 longjmp (host_abortframe, 1);
101 This shuts down both the client and server
104 void Host_Error (const char *error, ...)
106 static char hosterrorstring1[MAX_INPUTLINE];
107 static char hosterrorstring2[MAX_INPUTLINE];
108 static qboolean hosterror = false;
111 // turn off rcon redirect if it was active when the crash occurred
112 // to prevent loops when it is a networking problem
113 Con_Rcon_Redirect_Abort();
115 va_start (argptr,error);
116 dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
119 Con_Printf("Host_Error: %s\n", hosterrorstring1);
121 // LordHavoc: if crashing very early, or currently shutting down, do
123 if (host_framecount < 3 || host_shuttingdown)
124 Sys_Error ("Host_Error: %s", hosterrorstring1);
127 Sys_Error ("Host_Error: recursively entered (original error was: %s new error is: %s)", hosterrorstring2, hosterrorstring1);
130 strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
132 CL_Parse_DumpPacket();
134 CL_Parse_ErrorCleanUp();
138 // print out where the crash happened, if it was caused by QC (and do a cleanup)
142 Host_ShutdownServer ();
144 if (cls.state == ca_dedicated)
145 Sys_Error ("Host_Error: %s",hosterrorstring2); // dedicated servers exit
152 Host_AbortCurrentFrame();
155 void Host_ServerOptions (void)
162 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
163 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
164 // if no client is in the executable or -dedicated is specified on
165 // commandline, start a dedicated server
166 i = COM_CheckParm ("-dedicated");
167 if (i || !cl_available)
169 cls.state = ca_dedicated;
170 // check for -dedicated specifying how many players
171 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
172 svs.maxclients = atoi (com_argv[i+1]);
173 if (COM_CheckParm ("-listen"))
174 Con_Printf ("Only one of -dedicated or -listen can be specified\n");
175 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
176 Cvar_SetValue("sv_public", 1);
178 else if (cl_available)
180 // client exists and not dedicated, check if -listen is specified
181 cls.state = ca_disconnected;
182 i = COM_CheckParm ("-listen");
185 // default players unless specified
186 if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
187 svs.maxclients = atoi (com_argv[i+1]);
191 // default players in some games, singleplayer in most
192 if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
197 svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
199 svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
201 if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
202 Cvar_SetValueQuick(&deathmatch, 1);
206 =======================
208 ======================
210 void Host_SaveConfig_f(void);
211 void Host_LoadConfig_f(void);
212 extern cvar_t sv_writepicture_quality;
213 extern cvar_t r_texture_jpeg_fastpicmip;
214 static void Host_InitLocal (void)
216 Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
217 Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
219 Cvar_RegisterVariable (&host_framerate);
220 Cvar_RegisterVariable (&host_speeds);
221 Cvar_RegisterVariable (&host_maxwait);
222 Cvar_RegisterVariable (&cl_minfps);
223 Cvar_RegisterVariable (&cl_minfps_fade);
224 Cvar_RegisterVariable (&cl_minfps_qualitymax);
225 Cvar_RegisterVariable (&cl_minfps_qualitymin);
226 Cvar_RegisterVariable (&cl_minfps_qualitypower);
227 Cvar_RegisterVariable (&cl_minfps_qualityscale);
228 Cvar_RegisterVariable (&cl_maxfps);
229 Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
230 Cvar_RegisterVariable (&cl_maxidlefps);
232 Cvar_RegisterVariable (&developer);
233 Cvar_RegisterVariable (&developer_extra);
234 Cvar_RegisterVariable (&developer_insane);
235 Cvar_RegisterVariable (&developer_loadfile);
236 Cvar_RegisterVariable (&developer_loading);
237 Cvar_RegisterVariable (&developer_entityparsing);
239 Cvar_RegisterVariable (×tamps);
240 Cvar_RegisterVariable (&timeformat);
242 Cvar_RegisterVariable (&sv_writepicture_quality);
243 Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
251 Writes key bindings and archived cvars to config.cfg
254 void Host_SaveConfig_to(const char *file)
258 // dedicated servers initialize the host but don't parse and set the
260 // LordHavoc: don't save a config if it crashed in startup
261 if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
263 f = FS_OpenRealFile(file, "wb", false);
266 Con_Printf("Couldn't write %s.\n", file);
270 Key_WriteBindings (f);
271 Cvar_WriteVariables (f);
276 void Host_SaveConfig(void)
278 Host_SaveConfig_to(CONFIGFILENAME);
280 void Host_SaveConfig_f(void)
282 const char *file = CONFIGFILENAME;
284 if(Cmd_Argc() >= 2) {
286 Con_Printf("Saving to %s\n", file);
289 Host_SaveConfig_to(file);
296 Resets key bindings and cvars to defaults and then reloads scripts
299 void Host_LoadConfig_f(void)
301 // unlock the cvar default strings so they can be updated by the new default.cfg
302 Cvar_UnlockDefaults();
303 // reset cvars to their defaults, and then exec startup scripts again
304 Cbuf_InsertText("cvar_resettodefaults_all;exec " STARTCONFIGFILENAME "\n");
311 Sends text across to be displayed
312 FIXME: make this just a stuffed echo?
315 void SV_ClientPrint(const char *msg)
317 if (host_client->netconnection)
319 MSG_WriteByte(&host_client->netconnection->message, svc_print);
320 MSG_WriteString(&host_client->netconnection->message, msg);
328 Sends text across to be displayed
329 FIXME: make this just a stuffed echo?
332 void SV_ClientPrintf(const char *fmt, ...)
335 char msg[MAX_INPUTLINE];
337 va_start(argptr,fmt);
338 dpvsnprintf(msg,sizeof(msg),fmt,argptr);
348 Sends text to all active clients
351 void SV_BroadcastPrint(const char *msg)
356 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
358 if (client->active && client->netconnection)
360 MSG_WriteByte(&client->netconnection->message, svc_print);
361 MSG_WriteString(&client->netconnection->message, msg);
365 if (sv_echobprint.integer && cls.state == ca_dedicated)
373 Sends text to all active clients
376 void SV_BroadcastPrintf(const char *fmt, ...)
379 char msg[MAX_INPUTLINE];
381 va_start(argptr,fmt);
382 dpvsnprintf(msg,sizeof(msg),fmt,argptr);
385 SV_BroadcastPrint(msg);
392 Send text over to the client to be executed
395 void Host_ClientCommands(const char *fmt, ...)
398 char string[MAX_INPUTLINE];
400 if (!host_client->netconnection)
403 va_start(argptr,fmt);
404 dpvsnprintf(string, sizeof(string), fmt, argptr);
407 MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
408 MSG_WriteString(&host_client->netconnection->message, string);
412 =====================
415 Called when the player is getting totally kicked off the host
416 if (crash = true), don't bother sending signofs
417 =====================
419 void SV_DropClient(qboolean crash)
422 Con_Printf("Client \"%s\" dropped\n", host_client->name);
424 SV_StopDemoRecording(host_client);
426 // make sure edict is not corrupt (from a level change for example)
427 host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
429 if (host_client->netconnection)
431 // free the client (the body stays around)
434 // LordHavoc: no opportunity for resending, so use unreliable 3 times
435 unsigned char bufdata[8];
437 memset(&buf, 0, sizeof(buf));
439 buf.maxsize = sizeof(bufdata);
440 MSG_WriteByte(&buf, svc_disconnect);
441 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
442 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
443 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
445 // break the net connection
446 NetConn_Close(host_client->netconnection);
447 host_client->netconnection = NULL;
450 // call qc ClientDisconnect function
451 // LordHavoc: don't call QC if server is dead (avoids recursive
452 // Host_Error in some mods when they run out of edicts)
453 if (host_client->clientconnectcalled && sv.active && host_client->edict)
455 // call the prog function for removing a client
456 // this will set the body to a dead frame, among other things
457 int saveSelf = prog->globals.server->self;
458 host_client->clientconnectcalled = false;
459 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
460 PRVM_ExecuteProgram(prog->globals.server->ClientDisconnect, "QC function ClientDisconnect is missing");
461 prog->globals.server->self = saveSelf;
464 // if a download is active, close it
465 if (host_client->download_file)
467 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
468 FS_Close(host_client->download_file);
469 host_client->download_file = NULL;
470 host_client->download_name[0] = 0;
471 host_client->download_expectedposition = 0;
472 host_client->download_started = false;
475 // remove leaving player from scoreboard
476 host_client->name[0] = 0;
477 host_client->colors = 0;
478 host_client->frags = 0;
479 // send notification to all clients
480 // get number of client manually just to make sure we get it right...
481 i = host_client - svs.clients;
482 MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
483 MSG_WriteByte (&sv.reliable_datagram, i);
484 MSG_WriteString (&sv.reliable_datagram, host_client->name);
485 MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
486 MSG_WriteByte (&sv.reliable_datagram, i);
487 MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
488 MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
489 MSG_WriteByte (&sv.reliable_datagram, i);
490 MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
492 // free the client now
493 if (host_client->entitydatabase)
494 EntityFrame_FreeDatabase(host_client->entitydatabase);
495 if (host_client->entitydatabase4)
496 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
497 if (host_client->entitydatabase5)
498 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
502 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
503 PRVM_ED_ClearEdict(host_client->edict);
506 // clear the client struct (this sets active to false)
507 memset(host_client, 0, sizeof(*host_client));
509 // update server listing on the master because player count changed
510 // (which the master uses for filtering empty/full servers)
511 NetConn_Heartbeat(1);
515 for (i = 0;i < svs.maxclients;i++)
516 if (svs.clients[i].active && !svs.clients[i].spawned)
518 if (i == svs.maxclients)
520 Con_Printf("Loaded game, everyone rejoined - unpausing\n");
521 sv.paused = sv.loadgame = false; // we're basically done with loading now
530 This only happens at the end of a game, not between levels
533 void Host_ShutdownServer(void)
537 Con_DPrintf("Host_ShutdownServer\n");
542 NetConn_Heartbeat(2);
543 NetConn_Heartbeat(2);
545 // make sure all the clients know we're disconnecting
547 World_End(&sv.world);
549 if(prog->funcoffsets.SV_Shutdown)
551 func_t s = prog->funcoffsets.SV_Shutdown;
552 prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
553 PRVM_ExecuteProgram(s,"SV_Shutdown() required");
555 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
556 if (host_client->active)
557 SV_DropClient(false); // server shutdown
560 NetConn_CloseServerPorts();
566 memset(&sv, 0, sizeof(sv));
567 memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
571 //============================================================================
575 Host_GetConsoleCommands
577 Add them exactly as if they had been typed at the console
580 void Host_GetConsoleCommands (void)
586 cmd = Sys_ConsoleInput ();
597 Returns a time report string, for example for
600 const char *Host_TimingReport(void)
602 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);
609 Runs all active servers
612 static void Host_Init(void);
618 double cl_timer, sv_timer;
619 double clframetime, deltarealtime, oldrealtime;
621 int pass1, pass2, pass3, i;
628 realtime = host_starttime = Sys_DoubleTime();
631 if (setjmp(host_abortframe))
633 SCR_ClearLoadingScreen(false);
634 continue; // something bad happened, or the server disconnected
637 oldrealtime = realtime;
638 realtime = Sys_DoubleTime();
640 deltarealtime = realtime - oldrealtime;
641 cl_timer += deltarealtime;
642 sv_timer += deltarealtime;
644 svs.perf_acc_realtime += deltarealtime;
646 // Look for clients who have spawned
647 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
648 if(host_client->spawned)
649 if(host_client->netconnection)
651 if(i == svs.maxclients)
653 // Nobody is looking? Then we won't do timing...
654 // Instead, reset it to zero
655 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;
657 else if(svs.perf_acc_realtime > 5)
659 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
660 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
661 if(svs.perf_acc_offset_samples > 0)
663 svs.perf_offset_max = svs.perf_acc_offset_max;
664 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
665 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
667 if(svs.perf_lost > 0 && developer_extra.integer)
668 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
669 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;
672 if (slowmo.value < 0.00001 && slowmo.value != 0)
673 Cvar_SetValue("slowmo", 0);
674 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
675 Cvar_SetValue("host_framerate", 0);
677 // keep the random time dependent, but not when playing demos/benchmarking
678 if(!*sv_random_seed.string && !cls.demoplayback)
681 cl.islocalgame = NetConn_IsLocalGame();
683 // get new key events
684 Key_EventQueue_Unblock();
685 SndSys_SendKeyEvents();
688 NetConn_UpdateSockets();
690 Log_DestBuffer_Flush();
692 // receive packets on each main loop iteration, as the main loop may
693 // be undersleeping due to select() detecting a new packet
695 NetConn_ServerFrame();
699 // check for commands typed to the host
700 Host_GetConsoleCommands();
702 // when a server is running we only execute console commands on server frames
703 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
704 // otherwise we execute them on client frames
705 if (sv.active ? sv_timer > 0 : cl_timer > 0)
707 // process console commands
708 // R_TimeReport("preconsole");
709 CL_VM_PreventInformationLeaks();
711 // R_TimeReport("console");
714 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
716 // if the accumulators haven't become positive yet, wait a while
717 if (cls.state == ca_dedicated)
718 wait = sv_timer * -1000000.0;
720 wait = cl_timer * -1000000.0;
722 wait = max(cl_timer, sv_timer) * -1000000.0;
724 if (!cls.timedemo && wait >= 1)
728 if(host_maxwait.value <= 0)
729 wait = min(wait, 1000000.0);
731 wait = min(wait, host_maxwait.value * 1000.0);
733 wait = 1; // because we cast to int
735 time0 = Sys_DoubleTime();
736 if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
737 NetConn_SleepMicroseconds((int)wait);
739 Sys_Sleep((int)wait);
740 svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
741 // R_TimeReport("sleep");
747 //-------------------
751 //-------------------
753 // limit the frametime steps to no more than 100ms each
758 svs.perf_acc_lost += (sv_timer - 0.1);
762 if (sv.active && sv_timer > 0)
764 // execute one or more server frames, with an upper limit on how much
765 // execution time to spend on server frames to avoid freezing the game if
766 // the server is overloaded, this execution time limit means the game will
767 // slow down if the server is taking too long.
768 int framecount, framelimit = 1;
769 double advancetime, aborttime = 0;
772 // run the world state
773 // don't allow simulation to run too fast or too slow or logic glitches can occur
775 // stop running server frames if the wall time reaches this value
776 if (sys_ticrate.value <= 0)
777 advancetime = sv_timer;
778 else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
780 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
781 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
783 aborttime = realtime + 0.1;
787 advancetime = sys_ticrate.value;
788 // listen servers can run multiple server frames per client frame
789 if (cls.state == ca_connected)
792 aborttime = realtime + 0.1;
795 if(slowmo.value > 0 && slowmo.value < 1)
796 advancetime = min(advancetime, 0.1 / slowmo.value);
798 advancetime = min(advancetime, 0.1);
802 offset = sv_timer + (Sys_DoubleTime() - realtime);
803 ++svs.perf_acc_offset_samples;
804 svs.perf_acc_offset += offset;
805 svs.perf_acc_offset_squared += offset * offset;
806 if(svs.perf_acc_offset_max < offset)
807 svs.perf_acc_offset_max = offset;
810 // only advance time if not paused
811 // the game also pauses in singleplayer when menu or console is used
812 sv.frametime = advancetime * slowmo.value;
813 if (host_framerate.value)
814 sv.frametime = host_framerate.value;
815 if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
818 // setup the VM frame
821 for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
823 sv_timer -= advancetime;
825 // move things around and think unless paused
829 // if this server frame took too long, break out of the loop
830 if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
833 R_TimeReport("serverphysics");
835 // send all messages to the clients
836 SV_SendClientMessages();
838 if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
839 prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
840 PRVM_ExecuteProgram(prog->funcoffsets.SV_PausedTic, "QC function SV_PausedTic is missing");
843 // end the server VM frame
846 // send an heartbeat if enough time has passed since the last one
847 NetConn_Heartbeat(0);
848 R_TimeReport("servernetwork");
852 // don't let r_speeds display jump around
853 R_TimeReport("serverphysics");
854 R_TimeReport("servernetwork");
857 //-------------------
861 //-------------------
863 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
866 // decide the simulation time
867 if (cls.capturevideo.active)
870 if (cls.capturevideo.realtime)
871 clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
874 clframetime = 1.0 / cls.capturevideo.framerate;
875 cl.realframetime = max(cl_timer, clframetime);
878 else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
880 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
881 // when running slow, we need to sleep to keep input responsive
882 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
884 Sys_Sleep((int)wait);
886 else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
887 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
889 clframetime = cl.realframetime = cl_timer;
891 // apply slowmo scaling
892 clframetime *= cl.movevars_timescale;
893 // scale playback speed of demos by slowmo cvar
894 if (cls.demoplayback)
896 clframetime *= slowmo.value;
897 // if demo playback is paused, don't advance time at all
902 // host_framerate overrides all else
903 if (host_framerate.value)
904 clframetime = host_framerate.value;
906 if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
910 clframetime = cl.realframetime = cl_timer;
912 // deduct the frame time from the accumulator
913 cl_timer -= cl.realframetime;
915 cl.oldtime = cl.time;
916 cl.time += clframetime;
919 if (host_speeds.integer)
920 time1 = Sys_DoubleTime();
921 R_TimeReport("pre-input");
923 // Collect input into cmd
926 R_TimeReport("input");
928 // check for new packets
929 NetConn_ClientFrame();
931 // read a new frame from a demo if needed
932 CL_ReadDemoMessage();
933 R_TimeReport("clientnetwork");
935 // now that packets have been read, send input to server
937 R_TimeReport("sendmove");
939 // update client world (interpolate entities, create trails, etc)
941 R_TimeReport("lerpworld");
946 R_TimeReport("client");
949 R_TimeReport("render");
951 if (host_speeds.integer)
952 time2 = Sys_DoubleTime();
955 if(cl.csqc_usecsqclistener)
957 S_Update(&cl.csqc_listenermatrix);
958 cl.csqc_usecsqclistener = false;
961 S_Update(&r_refdef.view.matrix);
964 R_TimeReport("audio");
966 // reset gathering of mouse input
967 in_mouse_x = in_mouse_y = 0;
969 if (host_speeds.integer)
971 pass1 = (int)((time1 - time3)*1000000);
972 time3 = Sys_DoubleTime();
973 pass2 = (int)((time2 - time1)*1000000);
974 pass3 = (int)((time3 - time2)*1000000);
975 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
976 pass1+pass2+pass3, pass1, pass2, pass3);
981 Mem_CheckSentinelsGlobal();
983 if (developer_memorydebug.integer)
984 Mem_CheckSentinelsGlobal();
987 // if there is some time remaining from this frame, reset the timers
992 svs.perf_acc_lost += sv_timer;
1000 //============================================================================
1002 qboolean vid_opened = false;
1003 void Host_StartVideo(void)
1005 if (!vid_opened && cls.state != ca_dedicated)
1008 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1009 NetConn_UpdateSockets();
1015 char engineversion[128];
1017 qboolean sys_nostdout = false;
1019 extern void u8_Init(void);
1020 extern void Render_Init(void);
1021 extern void Mathlib_Init(void);
1022 extern void FS_Init_SelfPack(void);
1023 extern void FS_Init(void);
1024 extern void FS_Shutdown(void);
1025 extern void PR_Cmd_Init(void);
1026 extern void COM_Init_Commands(void);
1027 extern void FS_Init_Commands(void);
1028 extern qboolean host_stuffcmdsrun;
1031 ====================
1033 ====================
1035 static void Host_Init (void)
1040 if (COM_CheckParm("-profilegameonly"))
1041 Sys_AllowProfiling(false);
1043 // LordHavoc: quake never seeded the random number generator before... heh
1044 if (COM_CheckParm("-benchmark"))
1045 srand(0); // predictable random sequence for -benchmark
1047 srand((unsigned int)time(NULL));
1049 // FIXME: this is evil, but possibly temporary
1050 // LordHavoc: doesn't seem very temporary...
1051 // LordHavoc: made this a saved cvar
1052 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1053 if (COM_CheckParm("-developer"))
1055 developer.value = developer.integer = 1;
1056 developer.string = "1";
1059 if (COM_CheckParm("-developer2"))
1061 developer.value = developer.integer = 1;
1062 developer.string = "1";
1063 developer_extra.value = developer_extra.integer = 1;
1064 developer_extra.string = "1";
1065 developer_insane.value = developer_insane.integer = 1;
1066 developer_insane.string = "1";
1067 developer_memory.value = developer_memory.integer = 1;
1068 developer_memory.string = "1";
1069 developer_memorydebug.value = developer_memorydebug.integer = 1;
1070 developer_memorydebug.string = "1";
1073 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1074 if (COM_CheckParm("-nostdout"))
1077 // used by everything
1080 // initialize console command/cvar/alias/command execution systems
1083 // initialize memory subsystem cvars/commands
1084 Memory_Init_Commands();
1086 // initialize console and logging and its cvars/commands
1089 // initialize various cvars that could not be initialized earlier
1091 Curl_Init_Commands();
1092 Cmd_Init_Commands();
1093 Sys_Init_Commands();
1094 COM_Init_Commands();
1097 // initialize console window (only used by sys_win.c)
1100 // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1103 // detect gamemode from commandline options or executable name
1106 // construct a version string for the corner of the console
1108 dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1109 Con_Printf("%s\n", engineversion);
1111 // initialize ixtable
1114 // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1117 // must be after FS_Init
1119 Crypto_Init_Commands();
1129 V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1130 Host_InitCommands();
1132 Host_ServerOptions();
1134 if (cls.state == ca_dedicated)
1135 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1138 Con_DPrintf("Initializing client\n");
1152 // set up the default startmap_sp and startmap_dm aliases (mods can
1153 // override these) and then execute the quake.rc startup script
1154 if (gamemode == GAME_NEHAHRA)
1155 Cbuf_AddText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
1156 else if (gamemode == GAME_TRANSFUSION)
1157 Cbuf_AddText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
1158 else if (gamemode == GAME_TEU)
1159 Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
1161 Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
1164 // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1165 if (!host_stuffcmdsrun)
1167 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1171 // put up the loading image so the user doesn't stare at a black screen...
1172 SCR_BeginLoadingPlaque();
1174 // FIXME: put this into some neat design, but the menu should be allowed to crash
1175 // without crashing the whole game, so this should just be a short-time solution
1177 // here comes the not so critical stuff
1178 if (setjmp(host_abortframe)) {
1182 if (cls.state != ca_dedicated)
1187 // check for special benchmark mode
1188 // 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)
1189 i = COM_CheckParm("-benchmark");
1190 if (i && i + 1 < com_argc)
1191 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1193 Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
1197 // check for special demo mode
1198 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1199 i = COM_CheckParm("-demo");
1200 if (i && i + 1 < com_argc)
1201 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1203 Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
1207 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1208 i = COM_CheckParm("-capturedemo");
1209 if (i && i + 1 < com_argc)
1210 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1212 Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1216 if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1217 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1219 Cbuf_AddText("startmap_dm\n");
1223 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1225 Cbuf_AddText("togglemenu\n");
1229 Con_DPrint("========Initialized=========\n");
1231 //Host_StartVideo();
1239 FIXME: this is a callback from Sys_Quit and Sys_Error. It would be better
1240 to run quit through here before the final handoff to the sys code.
1243 void Host_Shutdown(void)
1245 static qboolean isdown = false;
1249 Con_Print("recursive shutdown\n");
1252 if (setjmp(host_abortframe))
1254 Con_Print("aborted the quitting frame?!?\n");
1259 // be quiet while shutting down
1262 // disconnect client from server if active
1265 // shut down local server if active
1266 Host_ShutdownServer ();
1273 // AK hmm, no PRVM_Shutdown(); yet
1275 CL_Gecko_Shutdown();
1276 CL_Video_Shutdown();
1280 CDAudio_Shutdown ();
1283 NetConn_Shutdown ();
1286 if (cls.state != ca_dedicated)
1288 R_Modules_Shutdown();