]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - host.c
skel_build: normalize the per-bone matrices
[xonotic/darkplaces.git] / host.c
diff --git a/host.c b/host.c
index 1abbbde4c68e28170f0a89dfe0d68f04a5745c6f..4b106a6904203ba0363901e58de5844b6709f56f 100644 (file)
--- a/host.c
+++ b/host.c
@@ -30,6 +30,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "sv_demo.h"
 #include "snd_main.h"
 #include "thread.h"
+#include "utf8lib.h"
 
 /*
 
@@ -48,14 +49,15 @@ int host_framecount = 0;
 // LordHavoc: set when quit is executed
 qboolean host_shuttingdown = false;
 
-// the real time since application started, without any slowmo or clamping
+// the accumulated mainloop time since application started (with filtering), without any slowmo or clamping
 double realtime;
+// the main loop wall time for this frame
+double host_dirtytime;
 
 // current client
 client_t *host_client;
 
 jmp_buf host_abortframe;
-double host_starttime = 0;
 
 // pretend frames take this amount of time (in seconds), 0 = realtime
 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"};
@@ -64,11 +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"};
@@ -93,6 +97,7 @@ Host_AbortCurrentFrame
 aborts the current host frame and goes on with the next one
 ================
 */
+void Host_AbortCurrentFrame(void) DP_FUNC_NORETURN;
 void Host_AbortCurrentFrame(void)
 {
        // in case we were previously nice, make us mean again
@@ -110,8 +115,8 @@ This shuts down both the client and server
 */
 void Host_Error (const char *error, ...)
 {
-       static char hosterrorstring1[MAX_INPUTLINE];
-       static char hosterrorstring2[MAX_INPUTLINE];
+       static char hosterrorstring1[MAX_INPUTLINE]; // THREAD UNSAFE
+       static char hosterrorstring2[MAX_INPUTLINE]; // THREAD UNSAFE
        static qboolean hosterror = false;
        va_list argptr;
 
@@ -143,10 +148,17 @@ void Host_Error (const char *error, ...)
        //PR_Crash();
 
        // print out where the crash happened, if it was caused by QC (and do a cleanup)
-       PRVM_Crash();
+       PRVM_Crash(SVVM_prog);
+       PRVM_Crash(CLVM_prog);
+       PRVM_Crash(MVM_prog);
 
+       cl.csqc_loaded = false;
+       Cvar_SetValueQuick(&csqc_progcrc, -1);
+       Cvar_SetValueQuick(&csqc_progsize, -1);
 
+       SV_LockThreadMutex();
        Host_ShutdownServer ();
+       SV_UnlockThreadMutex();
 
        if (cls.state == ca_dedicated)
                Sys_Error ("Host_Error: %s",hosterrorstring2);  // dedicated servers exit
@@ -159,7 +171,7 @@ void Host_Error (const char *error, ...)
        Host_AbortCurrentFrame();
 }
 
-void Host_ServerOptions (void)
+static void Host_ServerOptions (void)
 {
        int i;
 
@@ -231,8 +243,10 @@ 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);
@@ -259,7 +273,7 @@ Host_SaveConfig_f
 Writes key bindings and archived cvars to config.cfg
 ===============
 */
-void Host_SaveConfig_to(const char *file)
+static void Host_SaveConfig_to(const char *file)
 {
        qfile_t *f;
 
@@ -297,7 +311,7 @@ void Host_SaveConfig_f(void)
        Host_SaveConfig_to(file);
 }
 
-void Host_AddConfigText(void)
+static void Host_AddConfigText(void)
 {
        // set up the default startmap_sp and startmap_dm aliases (mods can
        // override these) and then execute the quake.rc startup script
@@ -442,6 +456,7 @@ if (crash = true), don't bother sending signofs
 */
 void SV_DropClient(qboolean crash)
 {
+       prvm_prog_t *prog = SVVM_prog;
        int i;
        Con_Printf("Client \"%s\" dropped\n", host_client->name);
 
@@ -477,8 +492,9 @@ void SV_DropClient(qboolean crash)
                // this will set the body to a dead frame, among other things
                int saveSelf = PRVM_serverglobaledict(self);
                host_client->clientconnectcalled = false;
+               PRVM_serverglobalfloat(time) = sv.time;
                PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
-               PRVM_ExecuteProgram(PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
+               prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
                PRVM_serverglobaledict(self) = saveSelf;
        }
 
@@ -528,7 +544,7 @@ void SV_DropClient(qboolean crash)
        if (sv.active)
        {
                // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
-               PRVM_ED_ClearEdict(host_client->edict);
+               PRVM_ED_ClearEdict(prog, host_client->edict);
        }
 
        // clear the client struct (this sets active to false)
@@ -560,6 +576,7 @@ This only happens at the end of a game, not between levels
 */
 void Host_ShutdownServer(void)
 {
+       prvm_prog_t *prog = SVVM_prog;
        int i;
 
        Con_DPrintf("Host_ShutdownServer\n");
@@ -571,19 +588,20 @@ void Host_ShutdownServer(void)
        NetConn_Heartbeat(2);
 
 // make sure all the clients know we're disconnecting
-       SV_VM_Begin();
        World_End(&sv.world);
        if(prog->loaded)
+       {
                if(PRVM_serverfunction(SV_Shutdown))
                {
                        func_t s = PRVM_serverfunction(SV_Shutdown);
+                       PRVM_serverglobalfloat(time) = sv.time;
                        PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
-                       PRVM_ExecuteProgram(s,"SV_Shutdown() required");
+                       prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
                }
+       }
        for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
                if (host_client->active)
                        SV_DropClient(false); // server shutdown
-       SV_VM_End();
 
        NetConn_CloseServerPorts();
 
@@ -593,6 +611,8 @@ void Host_ShutdownServer(void)
 //
        memset(&sv, 0, sizeof(sv));
        memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
+
+       cl.islocalgame = false;
 }
 
 
@@ -605,7 +625,7 @@ Host_GetConsoleCommands
 Add them exactly as if they had been typed at the console
 ===================
 */
-void Host_GetConsoleCommands (void)
+static void Host_GetConsoleCommands (void)
 {
        char *cmd;
 
@@ -625,9 +645,9 @@ Host_TimeReport
 Returns a time report string, for example for
 ==================
 */
-const char *Host_TimingReport(void)
+const char *Host_TimingReport(char *buf, size_t buflen)
 {
-       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);
+       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);
 }
 
 /*
@@ -643,17 +663,16 @@ void Host_Main(void)
        double time1 = 0;
        double time2 = 0;
        double time3 = 0;
-       double cl_timer, sv_timer;
-       double clframetime, deltarealtime, oldrealtime;
+       double cl_timer = 0, sv_timer = 0;
+       double clframetime, deltacleantime, olddirtytime, dirtytime;
        double wait;
        int pass1, pass2, pass3, i;
+       char vabuf[1024];
+       qboolean playing;
 
        Host_Init();
 
-       cl_timer = 0;
-       sv_timer = 0;
-
-       realtime = host_starttime = Sys_DoubleTime();
+       realtime = 0;
        for (;;)
        {
                if (setjmp(host_abortframe))
@@ -662,39 +681,58 @@ void Host_Main(void)
                        continue;                       // something bad happened, or the server disconnected
                }
 
-               oldrealtime = realtime;
-               realtime = Sys_DoubleTime();
-
-               deltarealtime = realtime - oldrealtime;
-               cl_timer += deltarealtime;
-               sv_timer += deltarealtime;
-
-               svs.perf_acc_realtime += deltarealtime;
-
-               // Look for clients who have spawned
-               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)
+               olddirtytime = host_dirtytime;
+               dirtytime = Sys_DirtyTime();
+               deltacleantime = dirtytime - olddirtytime;
+               if (deltacleantime < 0)
+               {
+                       // warn if it's significant
+                       if (deltacleantime < -0.01)
+                               Con_Printf("Host_Mingled: time stepped backwards (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
+                       deltacleantime = 0;
+               }
+               else if (deltacleantime >= 1800)
                {
-                       // Nobody is looking? Then we won't do timing...
-                       // Instead, reset it to zero
-                       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;
+                       Con_Printf("Host_Mingled: time stepped forward (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
+                       deltacleantime = 0;
                }
-               else if(svs.perf_acc_realtime > 5)
+               realtime += deltacleantime;
+               host_dirtytime = dirtytime;
+
+               cl_timer += deltacleantime;
+               sv_timer += deltacleantime;
+
+               if (!svs.threaded)
                {
-                       svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
-                       svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
-                       if(svs.perf_acc_offset_samples > 0)
+                       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)
+                                               playing = true;
+                       if(sv.time < 10)
                        {
-                               svs.perf_offset_max = svs.perf_acc_offset_max;
-                               svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
-                               svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
+                               // 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)
+                       {
+                               svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
+                               svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
+                               if(svs.perf_acc_offset_samples > 0)
+                               {
+                                       svs.perf_offset_max = svs.perf_acc_offset_max;
+                                       svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
+                                       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)
+                                       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;
                        }
-                       if(svs.perf_lost > 0 && developer_extra.integer)
-                               Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
-                       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;
                }
 
                if (slowmo.value < 0.00001 && slowmo.value != 0)
@@ -706,8 +744,6 @@ void Host_Main(void)
                if(!*sv_random_seed.string && !cls.demoplayback)
                        rand();
 
-               cl.islocalgame = NetConn_IsLocalGame();
-
                // get new key events
                Key_EventQueue_Unblock();
                SndSys_SendKeyEvents();
@@ -719,7 +755,7 @@ void Host_Main(void)
 
                // receive packets on each main loop iteration, as the main loop may
                // be undersleeping due to select() detecting a new packet
-               if (sv.active)
+               if (sv.active && !svs.threaded)
                        NetConn_ServerFrame();
 
                Curl_Run();
@@ -735,7 +771,7 @@ void Host_Main(void)
                        // process console commands
 //                     R_TimeReport("preconsole");
                        CL_VM_PreventInformationLeaks();
-                       Cbuf_Execute();
+                       Cbuf_Frame();
 //                     R_TimeReport("console");
                }
 
@@ -744,14 +780,14 @@ void Host_Main(void)
                // if the accumulators haven't become positive yet, wait a while
                if (cls.state == ca_dedicated)
                        wait = sv_timer * -1000000.0;
-               else if (!sv.active)
+               else if (!sv.active || svs.threaded)
                        wait = cl_timer * -1000000.0;
                else
                        wait = max(cl_timer, sv_timer) * -1000000.0;
 
                if (!cls.timedemo && wait >= 1)
                {
-                       double time0;
+                       double time0, delta;
 
                        if(host_maxwait.value <= 0)
                                wait = min(wait, 1000000.0);
@@ -760,16 +796,29 @@ void Host_Main(void)
                        if(wait < 1)
                                wait = 1; // because we cast to int
 
-                       time0 = Sys_DoubleTime();
-                       if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
+                       time0 = Sys_DirtyTime();
+                       if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded)
                                NetConn_SleepMicroseconds((int)wait);
                        else
                                Sys_Sleep((int)wait);
-                       svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
+                       delta = Sys_DirtyTime() - time0;
+                       if (delta < 0 || delta >= 1800) delta = 0;
+                       if (!svs.threaded)
+                               svs.perf_acc_sleeptime += delta;
 //                     R_TimeReport("sleep");
                        continue;
                }
 
+               // limit the frametime steps to no more than 100ms each
+               if (cl_timer > 0.1)
+                       cl_timer = 0.1;
+               if (sv_timer > 0.1)
+               {
+                       if (!svs.threaded)
+                               svs.perf_acc_lost += (sv_timer - 0.1);
+                       sv_timer = 0.1;
+               }
+
                R_TimeReport("---");
 
        //-------------------
@@ -779,15 +828,7 @@ void Host_Main(void)
        //-------------------
 
                // limit the frametime steps to no more than 100ms each
-               if (cl_timer > 0.1)
-                       cl_timer = 0.1;
-               if (sv_timer > 0.1)
-               {
-                       svs.perf_acc_lost += (sv_timer - 0.1);
-                       sv_timer = 0.1;
-               }
-
-               if (sv.active && sv_timer > 0)
+               if (sv.active && sv_timer > 0 && !svs.threaded)
                {
                        // execute one or more server frames, with an upper limit on how much
                        // execution time to spend on server frames to avoid freezing the game if
@@ -796,9 +837,7 @@ void Host_Main(void)
                        int framecount, framelimit = 1;
                        double advancetime, aborttime = 0;
                        float offset;
-
-                       if (cls.state == ca_dedicated)
-                               Collision_Cache_NewFrame();
+                       prvm_prog_t *prog = SVVM_prog;
 
                        // run the world state
                        // don't allow simulation to run too fast or too slow or logic glitches can occur
@@ -816,7 +855,7 @@ void Host_Main(void)
                                advancetime = sys_ticrate.value;
                                // listen servers can run multiple server frames per client frame
                                framelimit = cl_maxphysicsframesperserverframe.integer;
-                               aborttime = realtime + 0.1;
+                               aborttime = Sys_DirtyTime() + 0.1;
                        }
                        if(slowmo.value > 0 && slowmo.value < 1)
                                advancetime = min(advancetime, 0.1 / slowmo.value);
@@ -825,7 +864,8 @@ void Host_Main(void)
 
                        if(advancetime > 0)
                        {
-                               offset = sv_timer + (Sys_DoubleTime() - realtime);
+                               offset = Sys_DirtyTime() - dirtytime;if (offset < 0 || offset >= 1800) offset = 0;
+                               offset += sv_timer;
                                ++svs.perf_acc_offset_samples;
                                svs.perf_acc_offset += offset;
                                svs.perf_acc_offset_squared += offset * offset;
@@ -841,9 +881,6 @@ void Host_Main(void)
                        if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
                                sv.frametime = 0;
 
-                       // setup the VM frame
-                       SV_VM_Begin();
-
                        for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
                        {
                                sv_timer -= advancetime;
@@ -853,27 +890,25 @@ void Host_Main(void)
                                        SV_Physics();
 
                                // if this server frame took too long, break out of the loop
-                               if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
+                               if (framelimit > 1 && Sys_DirtyTime() >= aborttime)
                                        break;
                        }
                        R_TimeReport("serverphysics");
 
                        // send all messages to the clients
                        SV_SendClientMessages();
-                       
+
                        if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
-                               prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
-                               PRVM_ExecuteProgram(PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
+                               prog->globals.fp[OFS_PARM0] = realtime - sv.pausedstart;
+                               PRVM_serverglobalfloat(time) = sv.time;
+                               prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
                        }
 
-                       // end the server VM frame
-                       SV_VM_End();
-
                        // send an heartbeat if enough time has passed since the last one
                        NetConn_Heartbeat(0);
                        R_TimeReport("servernetwork");
                }
-               else
+               else if (!svs.threaded)
                {
                        // don't let r_speeds display jump around
                        R_TimeReport("serverphysics");
@@ -926,13 +961,15 @@ void Host_Main(void)
                                if (cls.demopaused)
                                        clframetime = 0;
                        }
+                       else
+                       {
+                               // host_framerate overrides all else
+                               if (host_framerate.value)
+                                       clframetime = host_framerate.value;
 
-                       // host_framerate overrides all else
-                       if (host_framerate.value)
-                               clframetime = host_framerate.value;
-
-                       if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
-                               clframetime = 0;
+                               if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
+                                       clframetime = 0;
+                       }
 
                        if (cls.timedemo)
                                clframetime = cl.realframetime = cl_timer;
@@ -945,7 +982,7 @@ void Host_Main(void)
 
                        // update video
                        if (host_speeds.integer)
-                               time1 = Sys_DoubleTime();
+                               time1 = Sys_DirtyTime();
                        R_TimeReport("pre-input");
 
                        // Collect input into cmd
@@ -976,7 +1013,7 @@ void Host_Main(void)
                        R_TimeReport("render");
 
                        if (host_speeds.integer)
-                               time2 = Sys_DoubleTime();
+                               time2 = Sys_DirtyTime();
 
                        // update audio
                        if(cl.csqc_usecsqclistener)
@@ -996,7 +1033,7 @@ void Host_Main(void)
                        if (host_speeds.integer)
                        {
                                pass1 = (int)((time1 - time3)*1000000);
-                               time3 = Sys_DoubleTime();
+                               time3 = Sys_DirtyTime();
                                pass2 = (int)((time2 - time1)*1000000);
                                pass3 = (int)((time3 - time2)*1000000);
                                Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
@@ -1016,7 +1053,8 @@ void Host_Main(void)
                        cl_timer = 0;
                if (sv_timer >= 0)
                {
-                       svs.perf_acc_lost += sv_timer;
+                       if (!svs.threaded)
+                               svs.perf_acc_lost += sv_timer;
                        sv_timer = 0;
                }
 
@@ -1043,15 +1081,6 @@ char engineversion[128];
 
 qboolean sys_nostdout = false;
 
-extern void u8_Init(void);
-extern void Render_Init(void);
-extern void Mathlib_Init(void);
-extern void FS_Init_SelfPack(void);
-extern void FS_Init(void);
-extern void FS_Shutdown(void);
-extern void PR_Cmd_Init(void);
-extern void COM_Init_Commands(void);
-extern void FS_Init_Commands(void);
 extern qboolean host_stuffcmdsrun;
 
 static qfile_t *locksession_fh = NULL;
@@ -1065,10 +1094,11 @@ static void Host_InitSession(void)
        // 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(".%s", com_argv[i+1]));
+                       Cvar_SetQuick(&sessionid, va(vabuf, sizeof(vabuf), ".%s", com_argv[i+1]));
        }
 }
 void Host_LockSession(void)
@@ -1076,19 +1106,22 @@ void Host_LockSession(void)
        if(locksession_run)
                return;
        locksession_run = true;
-       if(locksession.integer != 0)
+       if(locksession.integer != 0 && !COM_CheckParm("-readonly"))
        {
-               locksession_fh = FS_SysOpen(va("%slock%s", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string), "wl", false);
+               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 %slock%s could not be acquired. Please run with -sessionid and an unique session name. Continuing anyway.\n", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string);
+                               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 %slock%s could not be acquired. Please run with -sessionid and an unique session name.\n", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string);
+                               Sys_Error("session lock %s could not be acquired. Please run with -sessionid and an unique session name.\n", p);
                        }
                }
        }
@@ -1118,6 +1151,7 @@ static void Host_Init (void)
 {
        int i;
        const char* os;
+       char vabuf[1024];
 
        if (COM_CheckParm("-profilegameonly"))
                Sys_AllowProfiling(false);
@@ -1268,7 +1302,7 @@ static void Host_Init (void)
        }
 
        // put up the loading image so the user doesn't stare at a black screen...
-       SCR_BeginLoadingPlaque();
+       SCR_BeginLoadingPlaque(true);
 
        if (cls.state != ca_dedicated)
        {
@@ -1281,7 +1315,7 @@ static void Host_Init (void)
        if (i && i + 1 < com_argc)
        if (!sv.active && !cls.demoplayback && !cls.connect_trying)
        {
-               Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
+               Cbuf_AddText(va(vabuf, sizeof(vabuf), "timedemo %s\n", com_argv[i + 1]));
                Cbuf_Execute();
        }
 
@@ -1291,7 +1325,7 @@ static void Host_Init (void)
        if (i && i + 1 < com_argc)
        if (!sv.active && !cls.demoplayback && !cls.connect_trying)
        {
-               Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
+               Cbuf_AddText(va(vabuf, sizeof(vabuf), "playdemo %s\n", com_argv[i + 1]));
                Cbuf_Execute();
        }
 
@@ -1300,7 +1334,7 @@ static void Host_Init (void)
        if (i && i + 1 < com_argc)
        if (!sv.active && !cls.demoplayback && !cls.connect_trying)
        {
-               Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
+               Cbuf_AddText(va(vabuf, sizeof(vabuf), "playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
                Cbuf_Execute();
        }
 
@@ -1313,13 +1347,16 @@ static void Host_Init (void)
 
        if (!sv.active && !cls.demoplayback && !cls.connect_trying)
        {
-               Cbuf_AddText("togglemenu\n");
+               Cbuf_AddText("togglemenu 1\n");
                Cbuf_Execute();
        }
 
        Con_DPrint("========Initialized=========\n");
 
        //Host_StartVideo();
+
+       if (cls.state != ca_dedicated)
+               SV_StartThread();
 }
 
 
@@ -1350,11 +1387,17 @@ void Host_Shutdown(void)
        // be quiet while shutting down
        S_StopAllSounds();
 
+       // end the server thread
+       if (svs.threaded)
+               SV_StopThread();
+
        // disconnect client from server if active
        CL_Disconnect();
 
        // shut down local server if active
+       SV_LockThreadMutex();
        Host_ShutdownServer ();
+       SV_UnlockThreadMutex();
 
        // Shutdown menu
        if(MR_Shutdown)
@@ -1379,6 +1422,7 @@ void Host_Shutdown(void)
                VID_Shutdown();
        }
 
+       SV_StopThread();
        Thread_Shutdown();
        Cmd_Shutdown();
        Key_Shutdown();