X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=host.c;h=62530e0833b57e4daa9557abc2b4ea6933305152;hb=aa18f6ecab09516f2af3bf710fc4c9090634d3c3;hp=729e998d2fa52652d8159b166629a280e8ff70c0;hpb=6e0ca8f100675ab80d87e8c05a16c6a14c335d1d;p=xonotic%2Fdarkplaces.git diff --git a/host.c b/host.c index 729e998d..62530e08 100644 --- a/host.c +++ b/host.c @@ -66,11 +66,13 @@ cvar_t cl_maxphysicsframesperserverframe = {0, "cl_maxphysicsframesperserverfram cvar_t host_speeds = {0, "host_speeds","0", "reports how much time is used in server/graphics/sound"}; 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."}; 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"}; -cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "0.2", "how fast the quality adapts to varying framerate"}; +cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "1", "how fast the quality adapts to varying framerate"}; cvar_t cl_minfps_qualitymax = {CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"}; cvar_t cl_minfps_qualitymin = {CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"}; -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"}; -cvar_t cl_minfps_qualityscale = {CVAR_SAVE, "cl_minfps_qualityscale", "0.5", "multiplier for quality"}; +cvar_t cl_minfps_qualitymultiply = {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)"}; +cvar_t cl_minfps_qualityhysteresis = {CVAR_SAVE, "cl_minfps_qualityhysteresis", "0.05", "reduce all quality increments by this to reduce flickering"}; +cvar_t cl_minfps_qualitystepmax = {CVAR_SAVE, "cl_minfps_qualitystepmax", "0.1", "maximum quality change in a single frame"}; +cvar_t cl_minfps_force = {0, "cl_minfps_force", "0", "also apply quality reductions in timedemo/capturevideo"}; 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)"}; 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"}; 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"}; @@ -85,6 +87,9 @@ cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints det cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"}; cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"}; +cvar_t sessionid = {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 (.)"}; +cvar_t locksession = {0, "locksession", "0", "Lock the session? 0 = no, 1 = yes and abort on failure, 2 = yes and continue on failure"}; + /* ================ Host_AbortCurrentFrame @@ -237,8 +242,10 @@ static void Host_InitLocal (void) Cvar_RegisterVariable (&cl_minfps_fade); Cvar_RegisterVariable (&cl_minfps_qualitymax); Cvar_RegisterVariable (&cl_minfps_qualitymin); - Cvar_RegisterVariable (&cl_minfps_qualitypower); - Cvar_RegisterVariable (&cl_minfps_qualityscale); + Cvar_RegisterVariable (&cl_minfps_qualitystepmax); + Cvar_RegisterVariable (&cl_minfps_qualityhysteresis); + Cvar_RegisterVariable (&cl_minfps_qualitymultiply); + Cvar_RegisterVariable (&cl_minfps_force); Cvar_RegisterVariable (&cl_maxfps); Cvar_RegisterVariable (&cl_maxfps_alwayssleep); Cvar_RegisterVariable (&cl_maxidlefps); @@ -660,6 +667,7 @@ void Host_Main(void) double wait; int pass1, pass2, pass3, i; char vabuf[1024]; + qboolean playing; Host_Init(); @@ -699,14 +707,15 @@ void Host_Main(void) svs.perf_acc_realtime += deltacleantime; // Look for clients who have spawned + playing = false; for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++) if(host_client->spawned) if(host_client->netconnection) - break; - if(i == svs.maxclients) + playing = true; + if(sv.time < 10) { - // Nobody is looking? Then we won't do timing... - // Instead, reset it to zero + // don't accumulate time for the first 10 seconds of a match + // so things can settle 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; } else if(svs.perf_acc_realtime > 5) @@ -720,7 +729,8 @@ void Host_Main(void) svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg); } if(svs.perf_lost > 0 && developer_extra.integer) - Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf))); + if(playing) // only complain if anyone is looking + Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf))); 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; } } @@ -1071,6 +1081,65 @@ qboolean sys_nostdout = false; extern qboolean host_stuffcmdsrun; +static qfile_t *locksession_fh = NULL; +static qboolean locksession_run = false; +static void Host_InitSession(void) +{ + int i; + Cvar_RegisterVariable(&sessionid); + Cvar_RegisterVariable(&locksession); + + // load the session ID into the read-only cvar + if ((i = COM_CheckParm("-sessionid")) && (i + 1 < com_argc)) + { + char vabuf[1024]; + if(com_argv[i+1][0] == '.') + Cvar_SetQuick(&sessionid, com_argv[i+1]); + else + Cvar_SetQuick(&sessionid, va(vabuf, sizeof(vabuf), ".%s", com_argv[i+1])); + } +} +void Host_LockSession(void) +{ + if(locksession_run) + return; + locksession_run = true; + if(locksession.integer != 0) + { + char vabuf[1024]; + char *p = va(vabuf, sizeof(vabuf), "%slock%s", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string); + FS_CreatePath(p); + locksession_fh = FS_SysOpen(p, "wl", false); + // TODO maybe write the pid into the lockfile, while we are at it? may help server management tools + if(!locksession_fh) + { + if(locksession.integer == 2) + { + Con_Printf("WARNING: session lock %s could not be acquired. Please run with -sessionid and an unique session name. Continuing anyway.\n", p); + } + else + { + Sys_Error("session lock %s could not be acquired. Please run with -sessionid and an unique session name.\n", p); + } + } + } +} +void Host_UnlockSession(void) +{ + if(!locksession_run) + return; + locksession_run = false; + + if(locksession_fh) + { + FS_Close(locksession_fh); + // NOTE: we can NOT unlink the lock here, as doing so would + // create a race condition if another process created it + // between our close and our unlink + locksession_fh = NULL; + } +} + /* ==================== Host_Init @@ -1168,6 +1237,9 @@ static void Host_Init (void) // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name) FS_Init(); + // register the cvars for session locking + Host_InitSession(); + // must be after FS_Init Crypto_Init(); Crypto_Init_Commands(); @@ -1273,7 +1345,7 @@ static void Host_Init (void) if (!sv.active && !cls.demoplayback && !cls.connect_trying) { - Cbuf_AddText("togglemenu\n"); + Cbuf_AddText("togglemenu 1\n"); Cbuf_Execute(); } @@ -1356,7 +1428,10 @@ void Host_Shutdown(void) Sys_Shutdown(); Log_Close(); Crypto_Shutdown(); - FS_Shutdown(); + + Host_UnlockSession(); + + S_Shutdown(); Con_Shutdown(); Memory_Shutdown(); }