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Linux dedicated server: set nice -19 while spawning server (can be turned off by...
[xonotic/darkplaces.git] / host.c
diff --git a/host.c b/host.c
index feafe69a7d3c63d167a8a526d8b2f0a0890f05e4..ff250373870e77b459907c6c411ba30b0ea956dd 100644 (file)
--- a/host.c
+++ b/host.c
@@ -24,12 +24,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <time.h>
 #include "libcurl.h"
 #include "cdaudio.h"
-#include "cl_gecko.h"
 #include "cl_video.h"
 #include "progsvm.h"
 #include "csprogs.h"
 #include "sv_demo.h"
 #include "snd_main.h"
+#include "thread.h"
+#include "utf8lib.h"
 
 /*
 
@@ -48,17 +49,19 @@ 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"};
+cvar_t cl_maxphysicsframesperserverframe = {0, "cl_maxphysicsframesperserverframe","10", "maximum number of physics frames per server frame"};
 // shows time used by certain subsystems
 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."};
@@ -91,6 +94,9 @@ aborts the current host frame and goes on with the next one
 */
 void Host_AbortCurrentFrame(void)
 {
+       // in case we were previously nice, make us mean again
+       Sys_MakeProcessMean();
+
        longjmp (host_abortframe, 1);
 }
 
@@ -103,8 +109,8 @@ 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;
 
@@ -136,10 +142,17 @@ 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
@@ -152,7 +165,7 @@ void Host_Error (const char *error, ...)
        Host_AbortCurrentFrame();
 }
 
-void Host_ServerOptions (void)
+static void Host_ServerOptions (void)
 {
        int i;
 
@@ -189,7 +202,7 @@ void Host_ServerOptions (void)
                else
                {
                        // default players in some games, singleplayer in most
-                       if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_BATTLEMECH)
+                       if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
                                svs.maxclients = 1;
                }
        }
@@ -210,11 +223,13 @@ Host_InitLocal
 void Host_SaveConfig_f(void);
 void Host_LoadConfig_f(void);
 extern cvar_t sv_writepicture_quality;
+extern cvar_t r_texture_jpeg_fastpicmip;
 static void Host_InitLocal (void)
 {
        Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
        Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
 
+       Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
        Cvar_RegisterVariable (&host_framerate);
        Cvar_RegisterVariable (&host_speeds);
        Cvar_RegisterVariable (&host_maxwait);
@@ -239,6 +254,7 @@ static void Host_InitLocal (void)
        Cvar_RegisterVariable (&timeformat);
 
        Cvar_RegisterVariable (&sv_writepicture_quality);
+       Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
 }
 
 
@@ -249,7 +265,7 @@ 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;
 
@@ -287,6 +303,20 @@ void Host_SaveConfig_f(void)
        Host_SaveConfig_to(file);
 }
 
+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
+       if (gamemode == GAME_NEHAHRA)
+               Cbuf_InsertText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
+       else if (gamemode == GAME_TRANSFUSION)
+               Cbuf_InsertText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
+       else if (gamemode == GAME_TEU)
+               Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
+       else
+               Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
+}
+
 /*
 ===============
 Host_LoadConfig_f
@@ -296,10 +326,12 @@ Resets key bindings and cvars to defaults and then reloads scripts
 */
 void Host_LoadConfig_f(void)
 {
-       // unlock the cvar default strings so they can be updated by the new default.cfg
-       Cvar_UnlockDefaults();
+       // reset all cvars, commands and aliases to init values
+       Cmd_RestoreInitState();
+       // prepend a menu restart command to execute after the config
+       Cbuf_InsertText("\nmenu_restart\n");
        // reset cvars to their defaults, and then exec startup scripts again
-       Cbuf_InsertText("cvar_resettodefaults_all;exec " STARTCONFIGFILENAME "\n");
+       Host_AddConfigText();
 }
 
 /*
@@ -416,6 +448,7 @@ 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);
 
@@ -426,7 +459,7 @@ void SV_DropClient(qboolean crash)
 
        if (host_client->netconnection)
        {
-               // free the client (the body stays around)
+               // tell the client to be gone
                if (!crash)
                {
                        // LordHavoc: no opportunity for resending, so use unreliable 3 times
@@ -440,9 +473,6 @@ void SV_DropClient(qboolean crash)
                        NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
                        NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
                }
-               // break the net connection
-               NetConn_Close(host_client->netconnection);
-               host_client->netconnection = NULL;
        }
 
        // call qc ClientDisconnect function
@@ -452,11 +482,19 @@ void SV_DropClient(qboolean crash)
        {
                // call the prog function for removing a client
                // this will set the body to a dead frame, among other things
-               int saveSelf = prog->globals.server->self;
+               int saveSelf = PRVM_serverglobaledict(self);
                host_client->clientconnectcalled = false;
-               prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
-               PRVM_ExecuteProgram(prog->globals.server->ClientDisconnect, "QC function ClientDisconnect is missing");
-               prog->globals.server->self = saveSelf;
+               PRVM_serverglobalfloat(time) = sv.time;
+               PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
+               prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
+               PRVM_serverglobaledict(self) = saveSelf;
+       }
+
+       if (host_client->netconnection)
+       {
+               // break the net connection
+               NetConn_Close(host_client->netconnection);
+               host_client->netconnection = NULL;
        }
 
        // if a download is active, close it
@@ -498,7 +536,7 @@ 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)
@@ -530,6 +568,7 @@ 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");
@@ -541,19 +580,20 @@ 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(prog->funcoffsets.SV_Shutdown)
+       {
+               if(PRVM_serverfunction(SV_Shutdown))
                {
-                       func_t s = prog->funcoffsets.SV_Shutdown;
-                       prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
-                       PRVM_ExecuteProgram(s,"SV_Shutdown() required");
+                       func_t s = PRVM_serverfunction(SV_Shutdown);
+                       PRVM_serverglobalfloat(time) = sv.time;
+                       PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
+                       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();
 
@@ -563,6 +603,8 @@ void Host_ShutdownServer(void)
 //
        memset(&sv, 0, sizeof(sv));
        memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
+
+       cl.islocalgame = false;
 }
 
 
@@ -575,7 +617,7 @@ 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;
 
@@ -595,9 +637,9 @@ 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);
 }
 
 /*
@@ -613,17 +655,16 @@ 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];
 
        Host_Init();
 
-       cl_timer = 0;
-       sv_timer = 0;
-
-       realtime = host_starttime = Sys_DoubleTime();
+       realtime = 0;
+       dirtytime = Sys_DirtyTime();
        for (;;)
        {
                if (setjmp(host_abortframe))
@@ -632,39 +673,56 @@ 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)
                {
-                       // 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;
+                       // 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(svs.perf_acc_realtime > 5)
+               else if (deltacleantime >= 1800)
                {
-                       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)
+                       Con_Printf("Host_Mingled: time stepped forward (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
+                       deltacleantime = 0;
+               }
+               realtime += deltacleantime;
+               host_dirtytime = dirtytime;
+
+               cl_timer += deltacleantime;
+               sv_timer += deltacleantime;
+
+               if (!svs.threaded)
+               {
+                       svs.perf_acc_realtime += deltacleantime;
+
+                       // 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)
+                       {
+                               // 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;
+                       }
+                       else if(svs.perf_acc_realtime > 5)
                        {
-                               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);
+                               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)
+                                       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)
@@ -676,8 +734,6 @@ 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();
@@ -689,7 +745,7 @@ 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();
@@ -705,7 +761,7 @@ void Host_Main(void)
                        // process console commands
 //                     R_TimeReport("preconsole");
                        CL_VM_PreventInformationLeaks();
-                       Cbuf_Execute();
+                       Cbuf_Frame();
 //                     R_TimeReport("console");
                }
 
@@ -714,14 +770,14 @@ 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);
@@ -730,16 +786,29 @@ 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("---");
 
        //-------------------
@@ -749,15 +818,7 @@ 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
@@ -766,6 +827,7 @@ void Host_Main(void)
                        int framecount, framelimit = 1;
                        double advancetime, aborttime = 0;
                        float offset;
+                       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
@@ -777,7 +839,7 @@ void Host_Main(void)
                        {
                                // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
                                advancetime = bound(0.01, cl_timer, sys_ticrate.value);
-                               framelimit = 10;
+                               framelimit = cl_maxphysicsframesperserverframe.integer;
                                aborttime = realtime + 0.1;
                        }
                        else
@@ -786,7 +848,7 @@ void Host_Main(void)
                                // listen servers can run multiple server frames per client frame
                                if (cls.state == ca_connected)
                                {
-                                       framelimit = 10;
+                                       framelimit = cl_maxphysicsframesperserverframe.integer;
                                        aborttime = realtime + 0.1;
                                }
                        }
@@ -797,7 +859,8 @@ void Host_Main(void)
 
                        if(advancetime > 0)
                        {
-                               offset = sv_timer + (Sys_DoubleTime() - realtime);
+                               offset = Sys_DirtyTime() - realtime;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;
@@ -813,9 +876,6 @@ 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;
@@ -825,27 +885,25 @@ 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(prog->funcoffsets.SV_PausedTic, "QC function SV_PausedTic is missing");
+                               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");
@@ -861,6 +919,8 @@ void Host_Main(void)
                if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
                {
                        R_TimeReport("---");
+                       Collision_Cache_NewFrame();
+                       R_TimeReport("collisioncache");
                        // decide the simulation time
                        if (cls.capturevideo.active)
                        {
@@ -915,7 +975,7 @@ void Host_Main(void)
 
                        // update video
                        if (host_speeds.integer)
-                               time1 = Sys_DoubleTime();
+                               time1 = Sys_DirtyTime();
                        R_TimeReport("pre-input");
 
                        // Collect input into cmd
@@ -939,7 +999,6 @@ void Host_Main(void)
                        R_TimeReport("lerpworld");
 
                        CL_Video_Frame();
-                       CL_Gecko_Frame();
 
                        R_TimeReport("client");
 
@@ -947,7 +1006,7 @@ void Host_Main(void)
                        R_TimeReport("render");
 
                        if (host_speeds.integer)
-                               time2 = Sys_DoubleTime();
+                               time2 = Sys_DirtyTime();
 
                        // update audio
                        if(cl.csqc_usecsqclistener)
@@ -967,7 +1026,7 @@ 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",
@@ -987,7 +1046,8 @@ 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;
                }
 
@@ -1014,15 +1074,6 @@ 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;
 
 /*
@@ -1034,6 +1085,7 @@ static void Host_Init (void)
 {
        int i;
        const char* os;
+       char vabuf[1024];
 
        if (COM_CheckParm("-profilegameonly"))
                Sys_AllowProfiling(false);
@@ -1054,7 +1106,7 @@ static void Host_Init (void)
                developer.string = "1";
        }
 
-       if (COM_CheckParm("-developer2"))
+       if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
        {
                developer.value = developer.integer = 1;
                developer.string = "1";
@@ -1068,6 +1120,12 @@ static void Host_Init (void)
                developer_memorydebug.string = "1";
        }
 
+       if (COM_CheckParm("-developer3"))
+       {
+               gl_paranoid.integer = 1;gl_paranoid.string = "1";
+               gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
+       }
+
 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
        if (COM_CheckParm("-nostdout"))
                sys_nostdout = 1;
@@ -1106,12 +1164,19 @@ static void Host_Init (void)
        dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
        Con_Printf("%s\n", engineversion);
 
+       // initialize process nice level
+       Sys_InitProcessNice();
+
        // initialize ixtable
        Mathlib_Init();
 
        // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
        FS_Init();
 
+       // must be after FS_Init
+       Crypto_Init();
+       Crypto_Init_Commands();
+
        NetConn_Init();
        Curl_Init();
        //PR_Init();
@@ -1120,10 +1185,13 @@ static void Host_Init (void)
        Mod_Init();
        World_Init();
        SV_Init();
+       V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
        Host_InitCommands();
        Host_InitLocal();
        Host_ServerOptions();
 
+       Thread_Init();
+
        if (cls.state == ca_dedicated)
                Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
        else
@@ -1139,20 +1207,22 @@ static void Host_Init (void)
                S_Init();
                CDAudio_Init();
                Key_Init();
-               V_Init();
                CL_Init();
        }
 
-       // set up the default startmap_sp and startmap_dm aliases (mods can
-       // override these) and then execute the quake.rc startup script
-       if (gamemode == GAME_NEHAHRA)
-               Cbuf_AddText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
-       else if (gamemode == GAME_TRANSFUSION)
-               Cbuf_AddText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
-       else if (gamemode == GAME_TEU)
-               Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
-       else
-               Cbuf_AddText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
+       // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
+       // NOTE: menu commands are freed by Cmd_RestoreInitState
+       Cmd_SaveInitState();
+
+       // FIXME: put this into some neat design, but the menu should be allowed to crash
+       // without crashing the whole game, so this should just be a short-time solution
+
+       // here comes the not so critical stuff
+       if (setjmp(host_abortframe)) {
+               return;
+       }
+
+       Host_AddConfigText();
        Cbuf_Execute();
 
        // if stuffcmds wasn't run, then quake.rc is probably missing, use default
@@ -1165,14 +1235,6 @@ static void Host_Init (void)
        // put up the loading image so the user doesn't stare at a black screen...
        SCR_BeginLoadingPlaque();
 
-       // FIXME: put this into some neat design, but the menu should be allowed to crash
-       // without crashing the whole game, so this should just be a short-time solution
-
-       // here comes the not so critical stuff
-       if (setjmp(host_abortframe)) {
-               return;
-       }
-
        if (cls.state != ca_dedicated)
        {
                MR_Init();
@@ -1184,7 +1246,7 @@ 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();
        }
 
@@ -1194,7 +1256,7 @@ 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();
        }
 
@@ -1203,7 +1265,7 @@ 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();
        }
 
@@ -1223,6 +1285,9 @@ static void Host_Init (void)
        Con_DPrint("========Initialized=========\n");
 
        //Host_StartVideo();
+
+       if (cls.state != ca_dedicated)
+               SV_StartThread();
 }
 
 
@@ -1253,11 +1318,17 @@ 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)
@@ -1266,7 +1337,6 @@ void Host_Shutdown(void)
        // AK shutdown PRVM
        // AK hmm, no PRVM_Shutdown(); yet
 
-       CL_Gecko_Shutdown();
        CL_Video_Shutdown();
 
        Host_SaveConfig();
@@ -1283,11 +1353,14 @@ void Host_Shutdown(void)
                VID_Shutdown();
        }
 
+       SV_StopThread();
+       Thread_Shutdown();
        Cmd_Shutdown();
        Key_Shutdown();
        CL_Shutdown();
        Sys_Shutdown();
        Log_Close();
+       Crypto_Shutdown();
        FS_Shutdown();
        Con_Shutdown();
        Memory_Shutdown();