2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // host.c -- coordinates spawning and killing of local servers
32 #include "taskqueue.h"
38 A server can always be started, even if the system started out as a client
41 A client can NOT be started if the system started as a dedicated server.
43 Memory is cleared / released when a server or client begins, not when they end.
47 // how many frames have occurred
48 // (checked by Host_Error and Host_SaveConfig_f)
49 int host_framecount = 0;
50 // LadyHavoc: set when quit is executed
51 qboolean host_shuttingdown = false;
53 // the accumulated mainloop time since application started (with filtering), without any slowmo or clamping
55 // the main loop wall time for this frame
56 double host_dirtytime;
59 client_t *host_client;
61 jmp_buf host_abortframe;
63 // pretend frames take this amount of time (in seconds), 0 = realtime
64 cvar_t host_framerate = {CVAR_CLIENT | CVAR_SERVER, "host_framerate","0", "locks frame timing to this value in seconds, 0.05 is 20fps for example, note that this can easily run too fast, use cl_maxfps if you want to limit your framerate instead, or sys_ticrate to limit server speed"};
65 cvar_t cl_maxphysicsframesperserverframe = {CVAR_CLIENT, "cl_maxphysicsframesperserverframe","10", "maximum number of physics frames per server frame"};
66 // shows time used by certain subsystems
67 cvar_t host_speeds = {CVAR_CLIENT | CVAR_SERVER, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
68 cvar_t host_maxwait = {CVAR_CLIENT | CVAR_SERVER, "host_maxwait","1000", "maximum sleep time requested from the operating system in millisecond. Larger sleeps will be done using multiple host_maxwait length sleeps. Lowering this value will increase CPU load, but may help working around problems with accuracy of sleep times."};
69 cvar_t cl_minfps = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps", "40", "minimum fps target - while the rendering performance is below this, it will drift toward lower quality"};
70 cvar_t cl_minfps_fade = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_fade", "1", "how fast the quality adapts to varying framerate"};
71 cvar_t cl_minfps_qualitymax = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"};
72 cvar_t cl_minfps_qualitymin = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"};
73 cvar_t cl_minfps_qualitymultiply = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualitymultiply", "0.2", "multiplier for quality changes in quality change per second render time (1 assumes linearity of quality and render time)"};
74 cvar_t cl_minfps_qualityhysteresis = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualityhysteresis", "0.05", "reduce all quality increments by this to reduce flickering"};
75 cvar_t cl_minfps_qualitystepmax = {CVAR_CLIENT | CVAR_SAVE, "cl_minfps_qualitystepmax", "0.1", "maximum quality change in a single frame"};
76 cvar_t cl_minfps_force = {CVAR_CLIENT, "cl_minfps_force", "0", "also apply quality reductions in timedemo/capturevideo"};
77 cvar_t cl_maxfps = {CVAR_CLIENT | CVAR_SAVE, "cl_maxfps", "0", "maximum fps cap, 0 = unlimited, if game is running faster than this it will wait before running another frame (useful to make cpu time available to other programs)"};
78 cvar_t cl_maxfps_alwayssleep = {CVAR_CLIENT, "cl_maxfps_alwayssleep","1", "gives up some processing time to other applications each frame, value in milliseconds, disabled if cl_maxfps is 0"};
79 cvar_t cl_maxidlefps = {CVAR_CLIENT | CVAR_SAVE, "cl_maxidlefps", "20", "maximum fps cap when the game is not the active window (makes cpu time available to other programs"};
81 cvar_t developer = {CVAR_CLIENT | CVAR_SERVER | CVAR_SAVE, "developer","0", "shows debugging messages and information (recommended for all developers and level designers); the value -1 also suppresses buffering and logging these messages"};
82 cvar_t developer_extra = {CVAR_CLIENT | CVAR_SERVER, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
83 cvar_t developer_insane = {CVAR_CLIENT | CVAR_SERVER, "developer_insane", "0", "prints huge streams of information about internal workings, entire contents of files being read/written, etc. Not recommended!"};
84 cvar_t developer_loadfile = {CVAR_CLIENT | CVAR_SERVER, "developer_loadfile","0", "prints name and size of every file loaded via the FS_LoadFile function (which is almost everything)"};
85 cvar_t developer_loading = {CVAR_CLIENT | CVAR_SERVER, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
86 cvar_t developer_entityparsing = {CVAR_CLIENT, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
88 cvar_t timestamps = {CVAR_CLIENT | CVAR_SERVER | CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
89 cvar_t timeformat = {CVAR_CLIENT | CVAR_SERVER | CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
91 cvar_t sessionid = {CVAR_CLIENT | CVAR_SERVER | CVAR_READONLY, "sessionid", "", "ID of the current session (use the -sessionid parameter to set it); this is always either empty or begins with a dot (.)"};
92 cvar_t locksession = {CVAR_CLIENT | CVAR_SERVER, "locksession", "0", "Lock the session? 0 = no, 1 = yes and abort on failure, 2 = yes and continue on failure"};
96 Host_AbortCurrentFrame
98 aborts the current host frame and goes on with the next one
101 void Host_AbortCurrentFrame(void) DP_FUNC_NORETURN;
102 void Host_AbortCurrentFrame(void)
104 // in case we were previously nice, make us mean again
105 Sys_MakeProcessMean();
107 longjmp (host_abortframe, 1);
114 This shuts down both the client and server
117 void Host_Error (const char *error, ...)
119 static char hosterrorstring1[MAX_INPUTLINE]; // THREAD UNSAFE
120 static char hosterrorstring2[MAX_INPUTLINE]; // THREAD UNSAFE
121 static qboolean hosterror = false;
124 // turn off rcon redirect if it was active when the crash occurred
125 // to prevent loops when it is a networking problem
126 Con_Rcon_Redirect_Abort();
128 va_start (argptr,error);
129 dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
132 Con_Printf("Host_Error: %s\n", hosterrorstring1);
134 // LadyHavoc: if crashing very early, or currently shutting down, do
136 if (host_framecount < 3 || host_shuttingdown)
137 Sys_Error ("Host_Error: %s", hosterrorstring1);
140 Sys_Error ("Host_Error: recursively entered (original error was: %s new error is: %s)", hosterrorstring2, hosterrorstring1);
143 strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
145 CL_Parse_DumpPacket();
147 CL_Parse_ErrorCleanUp();
151 // print out where the crash happened, if it was caused by QC (and do a cleanup)
152 PRVM_Crash(SVVM_prog);
153 PRVM_Crash(CLVM_prog);
155 PRVM_Crash(MVM_prog);
158 cl.csqc_loaded = false;
159 Cvar_SetValueQuick(&csqc_progcrc, -1);
160 Cvar_SetValueQuick(&csqc_progsize, -1);
162 SV_LockThreadMutex();
163 Host_ShutdownServer ();
164 SV_UnlockThreadMutex();
166 if (cls.state == ca_dedicated)
167 Sys_Error ("Host_Error: %s",hosterrorstring2); // dedicated servers exit
174 Host_AbortCurrentFrame();
177 static void Host_ServerOptions (void)
184 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
185 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
186 // if no client is in the executable or -dedicated is specified on
187 // commandline, start a dedicated server
188 i = COM_CheckParm ("-dedicated");
189 if (i || !cl_available)
191 cls.state = ca_dedicated;
192 // check for -dedicated specifying how many players
193 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
194 svs.maxclients = atoi (com_argv[i+1]);
195 if (COM_CheckParm ("-listen"))
196 Con_Printf ("Only one of -dedicated or -listen can be specified\n");
197 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
198 Cvar_SetValue(&cvars_all, "sv_public", 1);
200 else if (cl_available)
202 // client exists and not dedicated, check if -listen is specified
203 cls.state = ca_disconnected;
204 i = COM_CheckParm ("-listen");
207 // default players unless specified
208 if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
209 svs.maxclients = atoi (com_argv[i+1]);
213 // default players in some games, singleplayer in most
214 if (gamemode != GAME_GOODVSBAD2 && !IS_NEXUIZ_DERIVED(gamemode) && gamemode != GAME_BATTLEMECH)
219 svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
221 svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
223 if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
224 Cvar_SetValueQuick(&deathmatch, 1);
228 =======================
230 ======================
232 void Host_SaveConfig_f(cmd_state_t *cmd);
233 void Host_LoadConfig_f(cmd_state_t *cmd);
234 extern cvar_t sv_writepicture_quality;
235 extern cvar_t r_texture_jpeg_fastpicmip;
236 static void Host_InitLocal (void)
238 Cmd_AddCommand(&cmd_client, "saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
239 Cmd_AddCommand(&cmd_client, "loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
240 Cmd_AddCommand(&cmd_server, "saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
241 Cmd_AddCommand(&cmd_server, "loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
243 Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
244 Cvar_RegisterVariable (&host_framerate);
245 Cvar_RegisterVariable (&host_speeds);
246 Cvar_RegisterVariable (&host_maxwait);
247 Cvar_RegisterVariable (&cl_minfps);
248 Cvar_RegisterVariable (&cl_minfps_fade);
249 Cvar_RegisterVariable (&cl_minfps_qualitymax);
250 Cvar_RegisterVariable (&cl_minfps_qualitymin);
251 Cvar_RegisterVariable (&cl_minfps_qualitystepmax);
252 Cvar_RegisterVariable (&cl_minfps_qualityhysteresis);
253 Cvar_RegisterVariable (&cl_minfps_qualitymultiply);
254 Cvar_RegisterVariable (&cl_minfps_force);
255 Cvar_RegisterVariable (&cl_maxfps);
256 Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
257 Cvar_RegisterVariable (&cl_maxidlefps);
259 Cvar_RegisterVariable (&developer);
260 Cvar_RegisterVariable (&developer_extra);
261 Cvar_RegisterVariable (&developer_insane);
262 Cvar_RegisterVariable (&developer_loadfile);
263 Cvar_RegisterVariable (&developer_loading);
264 Cvar_RegisterVariable (&developer_entityparsing);
266 Cvar_RegisterVariable (×tamps);
267 Cvar_RegisterVariable (&timeformat);
269 Cvar_RegisterVariable (&sv_writepicture_quality);
270 Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
278 Writes key bindings and archived cvars to config.cfg
281 static void Host_SaveConfig_to(const char *file)
285 // dedicated servers initialize the host but don't parse and set the
287 // LadyHavoc: don't save a config if it crashed in startup
288 if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
290 f = FS_OpenRealFile(file, "wb", false);
293 Con_Printf("Couldn't write %s.\n", file);
297 Key_WriteBindings (f);
298 Cvar_WriteVariables (&cvars_all, f);
303 void Host_SaveConfig(void)
305 Host_SaveConfig_to(CONFIGFILENAME);
307 void Host_SaveConfig_f(cmd_state_t *cmd)
309 const char *file = CONFIGFILENAME;
311 if(Cmd_Argc(cmd) >= 2) {
312 file = Cmd_Argv(cmd, 1);
313 Con_Printf("Saving to %s\n", file);
316 Host_SaveConfig_to(file);
319 static void Host_AddConfigText(cmd_state_t *cmd)
321 // set up the default startmap_sp and startmap_dm aliases (mods can
322 // override these) and then execute the quake.rc startup script
323 if (gamemode == GAME_NEHAHRA)
324 Cbuf_InsertText(cmd, "alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
325 else if (gamemode == GAME_TRANSFUSION)
326 Cbuf_InsertText(cmd, "alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
327 else if (gamemode == GAME_TEU)
328 Cbuf_InsertText(cmd, "alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
330 Cbuf_InsertText(cmd, "alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
337 Resets key bindings and cvars to defaults and then reloads scripts
340 void Host_LoadConfig_f(cmd_state_t *cmd)
342 // reset all cvars, commands and aliases to init values
343 Cmd_RestoreInitState();
345 // prepend a menu restart command to execute after the config
346 Cbuf_InsertText(&cmd_client, "\nmenu_restart\n");
348 // reset cvars to their defaults, and then exec startup scripts again
349 Host_AddConfigText(&cmd_client);
356 Sends text across to be displayed
357 FIXME: make this just a stuffed echo?
360 void SV_ClientPrint(const char *msg)
362 if (host_client->netconnection)
364 MSG_WriteByte(&host_client->netconnection->message, svc_print);
365 MSG_WriteString(&host_client->netconnection->message, msg);
373 Sends text across to be displayed
374 FIXME: make this just a stuffed echo?
377 void SV_ClientPrintf(const char *fmt, ...)
380 char msg[MAX_INPUTLINE];
382 va_start(argptr,fmt);
383 dpvsnprintf(msg,sizeof(msg),fmt,argptr);
393 Sends text to all active clients
396 void SV_BroadcastPrint(const char *msg)
401 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
403 if (client->active && client->netconnection)
405 MSG_WriteByte(&client->netconnection->message, svc_print);
406 MSG_WriteString(&client->netconnection->message, msg);
410 if (sv_echobprint.integer && cls.state == ca_dedicated)
418 Sends text to all active clients
421 void SV_BroadcastPrintf(const char *fmt, ...)
424 char msg[MAX_INPUTLINE];
426 va_start(argptr,fmt);
427 dpvsnprintf(msg,sizeof(msg),fmt,argptr);
430 SV_BroadcastPrint(msg);
437 Send text over to the client to be executed
440 void Host_ClientCommands(const char *fmt, ...)
443 char string[MAX_INPUTLINE];
445 if (!host_client->netconnection)
448 va_start(argptr,fmt);
449 dpvsnprintf(string, sizeof(string), fmt, argptr);
452 MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
453 MSG_WriteString(&host_client->netconnection->message, string);
457 =====================
460 Called when the player is getting totally kicked off the host
461 if (crash = true), don't bother sending signofs
462 =====================
464 void SV_DropClient(qboolean crash)
466 prvm_prog_t *prog = SVVM_prog;
468 Con_Printf("Client \"%s\" dropped\n", host_client->name);
470 SV_StopDemoRecording(host_client);
472 // make sure edict is not corrupt (from a level change for example)
473 host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
475 if (host_client->netconnection)
477 // tell the client to be gone
480 // LadyHavoc: no opportunity for resending, so use unreliable 3 times
481 unsigned char bufdata[8];
483 memset(&buf, 0, sizeof(buf));
485 buf.maxsize = sizeof(bufdata);
486 MSG_WriteByte(&buf, svc_disconnect);
487 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
488 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
489 NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
493 // call qc ClientDisconnect function
494 // LadyHavoc: don't call QC if server is dead (avoids recursive
495 // Host_Error in some mods when they run out of edicts)
496 if (host_client->clientconnectcalled && sv.active && host_client->edict)
498 // call the prog function for removing a client
499 // this will set the body to a dead frame, among other things
500 int saveSelf = PRVM_serverglobaledict(self);
501 host_client->clientconnectcalled = false;
502 PRVM_serverglobalfloat(time) = sv.time;
503 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
504 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
505 PRVM_serverglobaledict(self) = saveSelf;
508 if (host_client->netconnection)
510 // break the net connection
511 NetConn_Close(host_client->netconnection);
512 host_client->netconnection = NULL;
515 // if a download is active, close it
516 if (host_client->download_file)
518 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
519 FS_Close(host_client->download_file);
520 host_client->download_file = NULL;
521 host_client->download_name[0] = 0;
522 host_client->download_expectedposition = 0;
523 host_client->download_started = false;
526 // remove leaving player from scoreboard
527 host_client->name[0] = 0;
528 host_client->colors = 0;
529 host_client->frags = 0;
530 // send notification to all clients
531 // get number of client manually just to make sure we get it right...
532 i = host_client - svs.clients;
533 MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
534 MSG_WriteByte (&sv.reliable_datagram, i);
535 MSG_WriteString (&sv.reliable_datagram, host_client->name);
536 MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
537 MSG_WriteByte (&sv.reliable_datagram, i);
538 MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
539 MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
540 MSG_WriteByte (&sv.reliable_datagram, i);
541 MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
543 // free the client now
544 if (host_client->entitydatabase)
545 EntityFrame_FreeDatabase(host_client->entitydatabase);
546 if (host_client->entitydatabase4)
547 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
548 if (host_client->entitydatabase5)
549 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
553 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
554 PRVM_ED_ClearEdict(prog, host_client->edict);
557 // clear the client struct (this sets active to false)
558 memset(host_client, 0, sizeof(*host_client));
560 // update server listing on the master because player count changed
561 // (which the master uses for filtering empty/full servers)
562 NetConn_Heartbeat(1);
566 for (i = 0;i < svs.maxclients;i++)
567 if (svs.clients[i].active && !svs.clients[i].spawned)
569 if (i == svs.maxclients)
571 Con_Printf("Loaded game, everyone rejoined - unpausing\n");
572 sv.paused = sv.loadgame = false; // we're basically done with loading now
581 This only happens at the end of a game, not between levels
584 void Host_ShutdownServer(void)
586 prvm_prog_t *prog = SVVM_prog;
589 Con_DPrintf("Host_ShutdownServer\n");
594 NetConn_Heartbeat(2);
595 NetConn_Heartbeat(2);
597 // make sure all the clients know we're disconnecting
598 World_End(&sv.world);
601 if(PRVM_serverfunction(SV_Shutdown))
603 func_t s = PRVM_serverfunction(SV_Shutdown);
604 PRVM_serverglobalfloat(time) = sv.time;
605 PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
606 prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
609 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
610 if (host_client->active)
611 SV_DropClient(false); // server shutdown
613 NetConn_CloseServerPorts();
619 memset(&sv, 0, sizeof(sv));
620 memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
622 cl.islocalgame = false;
626 //============================================================================
630 Host_GetConsoleCommands
632 Add them exactly as if they had been typed at the console
635 static void Host_GetConsoleCommands (void)
639 while ((line = Sys_ConsoleInput()))
641 if (cls.state == ca_dedicated)
642 Cbuf_AddText(&cmd_server, line);
644 Cbuf_AddText(&cmd_client, line);
652 Returns a time report string, for example for
655 const char *Host_TimingReport(char *buf, size_t buflen)
657 return va(buf, buflen, "%.1f%% CPU, %.2f%% lost, offset avg %.1fms, max %.1fms, sdev %.1fms", svs.perf_cpuload * 100, svs.perf_lost * 100, svs.perf_offset_avg * 1000, svs.perf_offset_max * 1000, svs.perf_offset_sdev * 1000);
664 Runs all active servers
667 static void Host_Init(void);
673 double cl_timer = 0, sv_timer = 0;
674 double clframetime, deltacleantime, olddirtytime, dirtytime;
676 int pass1, pass2, pass3, i;
683 host_dirtytime = Sys_DirtyTime();
686 if (setjmp(host_abortframe))
688 SCR_ClearLoadingScreen(false);
689 continue; // something bad happened, or the server disconnected
692 olddirtytime = host_dirtytime;
693 dirtytime = Sys_DirtyTime();
694 deltacleantime = dirtytime - olddirtytime;
695 if (deltacleantime < 0)
697 // warn if it's significant
698 if (deltacleantime < -0.01)
699 Con_Printf("Host_Mingled: time stepped backwards (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
702 else if (deltacleantime >= 1800)
704 Con_Printf("Host_Mingled: time stepped forward (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
707 realtime += deltacleantime;
708 host_dirtytime = dirtytime;
710 cl_timer += deltacleantime;
711 sv_timer += deltacleantime;
715 svs.perf_acc_realtime += deltacleantime;
717 // Look for clients who have spawned
719 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
720 if(host_client->begun)
721 if(host_client->netconnection)
725 // don't accumulate time for the first 10 seconds of a match
726 // so things can settle
727 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;
729 else if(svs.perf_acc_realtime > 5)
731 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
732 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
733 if(svs.perf_acc_offset_samples > 0)
735 svs.perf_offset_max = svs.perf_acc_offset_max;
736 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
737 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
739 if(svs.perf_lost > 0 && developer_extra.integer)
740 if(playing) // only complain if anyone is looking
741 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
742 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;
746 if (slowmo.value < 0.00001 && slowmo.value != 0)
747 Cvar_SetValueQuick(&slowmo, 0);
748 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
749 Cvar_SetValueQuick(&host_framerate, 0);
751 TaskQueue_Frame(false);
753 // keep the random time dependent, but not when playing demos/benchmarking
754 if(!*sv_random_seed.string && !cls.demoplayback)
757 // get new key events
758 Key_EventQueue_Unblock();
759 SndSys_SendKeyEvents();
762 NetConn_UpdateSockets();
764 Log_DestBuffer_Flush();
766 // receive packets on each main loop iteration, as the main loop may
767 // be undersleeping due to select() detecting a new packet
768 if (sv.active && !svs.threaded)
769 NetConn_ServerFrame();
773 // check for commands typed to the host
774 Host_GetConsoleCommands();
776 // when a server is running we only execute console commands on server frames
777 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
778 // otherwise we execute them on client frames
779 if (sv.active ? sv_timer > 0 : cl_timer > 0)
781 // process console commands
782 // R_TimeReport("preconsole");
783 CL_VM_PreventInformationLeaks();
784 Cbuf_Frame(&cmd_client);
785 Cbuf_Frame(&cmd_server);
786 // R_TimeReport("console");
789 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
791 // if the accumulators haven't become positive yet, wait a while
792 if (cls.state == ca_dedicated)
793 wait = sv_timer * -1000000.0;
794 else if (!sv.active || svs.threaded)
795 wait = cl_timer * -1000000.0;
797 wait = max(cl_timer, sv_timer) * -1000000.0;
799 if (!cls.timedemo && wait >= 1)
803 if(host_maxwait.value <= 0)
804 wait = min(wait, 1000000.0);
806 wait = min(wait, host_maxwait.value * 1000.0);
808 wait = 1; // because we cast to int
810 time0 = Sys_DirtyTime();
811 if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded) {
812 NetConn_SleepMicroseconds((int)wait);
813 if (cls.state != ca_dedicated)
814 NetConn_ClientFrame(); // helps server browser get good ping values
815 // TODO can we do the same for ServerFrame? Probably not.
818 Sys_Sleep((int)wait);
819 delta = Sys_DirtyTime() - time0;
820 if (delta < 0 || delta >= 1800) delta = 0;
822 svs.perf_acc_sleeptime += delta;
823 // R_TimeReport("sleep");
827 // limit the frametime steps to no more than 100ms each
833 svs.perf_acc_lost += (sv_timer - 0.1);
839 //-------------------
843 //-------------------
845 // limit the frametime steps to no more than 100ms each
846 if (sv.active && sv_timer > 0 && !svs.threaded)
848 // execute one or more server frames, with an upper limit on how much
849 // execution time to spend on server frames to avoid freezing the game if
850 // the server is overloaded, this execution time limit means the game will
851 // slow down if the server is taking too long.
852 int framecount, framelimit = 1;
853 double advancetime, aborttime = 0;
855 prvm_prog_t *prog = SVVM_prog;
857 // run the world state
858 // don't allow simulation to run too fast or too slow or logic glitches can occur
860 // stop running server frames if the wall time reaches this value
861 if (sys_ticrate.value <= 0)
862 advancetime = sv_timer;
863 else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
865 // synchronize to the client frametime, but no less than 10ms and no more than 100ms
866 advancetime = bound(0.01, cl_timer, 0.1);
870 advancetime = sys_ticrate.value;
871 // listen servers can run multiple server frames per client frame
872 framelimit = cl_maxphysicsframesperserverframe.integer;
873 aborttime = Sys_DirtyTime() + 0.1;
875 if(slowmo.value > 0 && slowmo.value < 1)
876 advancetime = min(advancetime, 0.1 / slowmo.value);
878 advancetime = min(advancetime, 0.1);
882 offset = Sys_DirtyTime() - dirtytime;if (offset < 0 || offset >= 1800) offset = 0;
884 ++svs.perf_acc_offset_samples;
885 svs.perf_acc_offset += offset;
886 svs.perf_acc_offset_squared += offset * offset;
887 if(svs.perf_acc_offset_max < offset)
888 svs.perf_acc_offset_max = offset;
891 // only advance time if not paused
892 // the game also pauses in singleplayer when menu or console is used
893 sv.frametime = advancetime * slowmo.value;
894 if (host_framerate.value)
895 sv.frametime = host_framerate.value;
896 if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
899 for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
901 sv_timer -= advancetime;
903 // move things around and think unless paused
907 // if this server frame took too long, break out of the loop
908 if (framelimit > 1 && Sys_DirtyTime() >= aborttime)
911 R_TimeReport("serverphysics");
913 // send all messages to the clients
914 SV_SendClientMessages();
916 if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
917 prog->globals.fp[OFS_PARM0] = realtime - sv.pausedstart;
918 PRVM_serverglobalfloat(time) = sv.time;
919 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
922 // send an heartbeat if enough time has passed since the last one
923 NetConn_Heartbeat(0);
924 R_TimeReport("servernetwork");
926 else if (!svs.threaded)
928 // don't let r_speeds display jump around
929 R_TimeReport("serverphysics");
930 R_TimeReport("servernetwork");
933 //-------------------
937 //-------------------
939 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
942 Collision_Cache_NewFrame();
943 R_TimeReport("photoncache");
944 // decide the simulation time
945 if (cls.capturevideo.active)
948 if (cls.capturevideo.realtime)
949 clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
952 clframetime = 1.0 / cls.capturevideo.framerate;
953 cl.realframetime = max(cl_timer, clframetime);
956 else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
958 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
959 // when running slow, we need to sleep to keep input responsive
960 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
962 Sys_Sleep((int)wait);
964 else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
965 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
967 clframetime = cl.realframetime = cl_timer;
969 // apply slowmo scaling
970 clframetime *= cl.movevars_timescale;
971 // scale playback speed of demos by slowmo cvar
972 if (cls.demoplayback)
974 clframetime *= slowmo.value;
975 // if demo playback is paused, don't advance time at all
981 // host_framerate overrides all else
982 if (host_framerate.value)
983 clframetime = host_framerate.value;
985 if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
990 clframetime = cl.realframetime = cl_timer;
992 // deduct the frame time from the accumulator
993 cl_timer -= cl.realframetime;
995 cl.oldtime = cl.time;
996 cl.time += clframetime;
999 if (host_speeds.integer)
1000 time1 = Sys_DirtyTime();
1001 R_TimeReport("pre-input");
1003 // Collect input into cmd
1006 R_TimeReport("input");
1008 // check for new packets
1009 NetConn_ClientFrame();
1011 // read a new frame from a demo if needed
1012 CL_ReadDemoMessage();
1013 R_TimeReport("clientnetwork");
1015 // now that packets have been read, send input to server
1017 R_TimeReport("sendmove");
1019 // update client world (interpolate entities, create trails, etc)
1021 R_TimeReport("lerpworld");
1025 R_TimeReport("client");
1028 CL_MeshEntities_Reset();
1029 R_TimeReport("render");
1031 if (host_speeds.integer)
1032 time2 = Sys_DirtyTime();
1035 if(cl.csqc_usecsqclistener)
1037 S_Update(&cl.csqc_listenermatrix);
1038 cl.csqc_usecsqclistener = false;
1041 S_Update(&r_refdef.view.matrix);
1044 R_TimeReport("audio");
1046 // reset gathering of mouse input
1047 in_mouse_x = in_mouse_y = 0;
1049 if (host_speeds.integer)
1051 pass1 = (int)((time1 - time3)*1000000);
1052 time3 = Sys_DirtyTime();
1053 pass2 = (int)((time2 - time1)*1000000);
1054 pass3 = (int)((time3 - time2)*1000000);
1055 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
1056 pass1+pass2+pass3, pass1, pass2, pass3);
1061 Mem_CheckSentinelsGlobal();
1063 if (developer_memorydebug.integer)
1064 Mem_CheckSentinelsGlobal();
1067 // if there is some time remaining from this frame, reset the timers
1073 svs.perf_acc_lost += sv_timer;
1081 //============================================================================
1083 qboolean vid_opened = false;
1084 void Host_StartVideo(void)
1086 if (!vid_opened && cls.state != ca_dedicated)
1089 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1090 NetConn_UpdateSockets();
1096 char engineversion[128];
1098 qboolean sys_nostdout = false;
1100 static qfile_t *locksession_fh = NULL;
1101 static qboolean locksession_run = false;
1102 static void Host_InitSession(void)
1105 Cvar_RegisterVariable(&sessionid);
1106 Cvar_RegisterVariable(&locksession);
1108 // load the session ID into the read-only cvar
1109 if ((i = COM_CheckParm("-sessionid")) && (i + 1 < com_argc))
1112 if(com_argv[i+1][0] == '.')
1113 Cvar_SetQuick(&sessionid, com_argv[i+1]);
1115 Cvar_SetQuick(&sessionid, va(vabuf, sizeof(vabuf), ".%s", com_argv[i+1]));
1118 void Host_LockSession(void)
1122 locksession_run = true;
1123 if(locksession.integer != 0 && !COM_CheckParm("-readonly"))
1126 char *p = va(vabuf, sizeof(vabuf), "%slock%s", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string);
1128 locksession_fh = FS_SysOpen(p, "wl", false);
1129 // TODO maybe write the pid into the lockfile, while we are at it? may help server management tools
1132 if(locksession.integer == 2)
1134 Con_Printf("WARNING: session lock %s could not be acquired. Please run with -sessionid and an unique session name. Continuing anyway.\n", p);
1138 Sys_Error("session lock %s could not be acquired. Please run with -sessionid and an unique session name.\n", p);
1143 void Host_UnlockSession(void)
1145 if(!locksession_run)
1147 locksession_run = false;
1151 FS_Close(locksession_fh);
1152 // NOTE: we can NOT unlink the lock here, as doing so would
1153 // create a race condition if another process created it
1154 // between our close and our unlink
1155 locksession_fh = NULL;
1160 ====================
1162 ====================
1164 static void Host_Init (void)
1169 qboolean dedicated_server = COM_CheckParm("-dedicated") || !cl_available;
1170 cmd_state_t *cmd = &cmd_client;
1172 if (COM_CheckParm("-profilegameonly"))
1173 Sys_AllowProfiling(false);
1175 // LadyHavoc: quake never seeded the random number generator before... heh
1176 if (COM_CheckParm("-benchmark"))
1177 srand(0); // predictable random sequence for -benchmark
1179 srand((unsigned int)time(NULL));
1181 // FIXME: this is evil, but possibly temporary
1182 // LadyHavoc: doesn't seem very temporary...
1183 // LadyHavoc: made this a saved cvar
1184 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1185 if (COM_CheckParm("-developer"))
1187 developer.value = developer.integer = 1;
1188 developer.string = "1";
1191 if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
1193 developer.value = developer.integer = 1;
1194 developer.string = "1";
1195 developer_extra.value = developer_extra.integer = 1;
1196 developer_extra.string = "1";
1197 developer_insane.value = developer_insane.integer = 1;
1198 developer_insane.string = "1";
1199 developer_memory.value = developer_memory.integer = 1;
1200 developer_memory.string = "1";
1201 developer_memorydebug.value = developer_memorydebug.integer = 1;
1202 developer_memorydebug.string = "1";
1205 if (COM_CheckParm("-developer3"))
1207 gl_paranoid.integer = 1;gl_paranoid.string = "1";
1208 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
1211 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1212 if (COM_CheckParm("-nostdout"))
1215 // used by everything
1218 // initialize console command/cvar/alias/command execution systems
1221 Cmd_Init_Commands(dedicated_server);
1223 // initialize memory subsystem cvars/commands
1224 Memory_Init_Commands();
1226 // initialize console and logging and its cvars/commands
1229 // initialize various cvars that could not be initialized earlier
1231 Curl_Init_Commands();
1232 Sys_Init_Commands();
1233 COM_Init_Commands();
1236 // initialize console window (only used by sys_win.c)
1239 // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1242 // detect gamemode from commandline options or executable name
1245 // construct a version string for the corner of the console
1247 dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1248 Con_Printf("%s\n", engineversion);
1250 // initialize process nice level
1251 Sys_InitProcessNice();
1253 // initialize ixtable
1256 // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1259 // register the cvars for session locking
1262 // must be after FS_Init
1264 Crypto_Init_Commands();
1274 V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1275 Host_InitCommands();
1277 Host_ServerOptions();
1282 if (cls.state == ca_dedicated)
1285 Cmd_AddCommand(&cmd_server, "disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1289 Con_DPrintf("Initializing client\n");
1305 // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1306 // NOTE: menu commands are freed by Cmd_RestoreInitState
1307 Cmd_SaveInitState();
1309 // FIXME: put this into some neat design, but the menu should be allowed to crash
1310 // without crashing the whole game, so this should just be a short-time solution
1312 // here comes the not so critical stuff
1313 if (setjmp(host_abortframe)) {
1317 Host_AddConfigText(cmd);
1320 // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1321 if (!host_stuffcmdsrun)
1323 Cbuf_AddText(cmd, "exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1327 // put up the loading image so the user doesn't stare at a black screen...
1328 SCR_BeginLoadingPlaque(true);
1331 if (cls.state != ca_dedicated)
1337 // check for special benchmark mode
1338 // 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)
1339 i = COM_CheckParm("-benchmark");
1340 if (i && i + 1 < com_argc)
1341 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1343 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "timedemo %s\n", com_argv[i + 1]));
1344 Cbuf_Execute(&cmd_client);
1347 // check for special demo mode
1348 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1349 i = COM_CheckParm("-demo");
1350 if (i && i + 1 < com_argc)
1351 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1353 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "playdemo %s\n", com_argv[i + 1]));
1354 Cbuf_Execute(&cmd_client);
1357 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1358 i = COM_CheckParm("-capturedemo");
1359 if (i && i + 1 < com_argc)
1360 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1362 Cbuf_AddText(&cmd_client, va(vabuf, sizeof(vabuf), "playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1363 Cbuf_Execute(&cmd_client);
1366 if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1367 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1369 Cbuf_AddText(&cmd_client, "startmap_dm\n");
1370 Cbuf_Execute(&cmd_client);
1373 if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1376 Cbuf_AddText(&cmd_client, "togglemenu 1\n");
1378 Cbuf_Execute(&cmd_client);
1381 Con_DPrint("========Initialized=========\n");
1383 //Host_StartVideo();
1385 if (cls.state != ca_dedicated)
1394 FIXME: this is a callback from Sys_Quit and Sys_Error. It would be better
1395 to run quit through here before the final handoff to the sys code.
1398 void Host_Shutdown(void)
1400 static qboolean isdown = false;
1404 Con_Print("recursive shutdown\n");
1407 if (setjmp(host_abortframe))
1409 Con_Print("aborted the quitting frame?!?\n");
1414 // be quiet while shutting down
1417 // end the server thread
1421 // disconnect client from server if active
1424 // shut down local server if active
1425 SV_LockThreadMutex();
1426 Host_ShutdownServer ();
1427 SV_UnlockThreadMutex();
1436 // AK hmm, no PRVM_Shutdown(); yet
1438 CL_Video_Shutdown();
1442 CDAudio_Shutdown ();
1445 NetConn_Shutdown ();
1448 if (cls.state != ca_dedicated)
1450 R_Modules_Shutdown();
1455 TaskQueue_Shutdown();
1464 Host_UnlockSession();