if (!cls.timedemo && wait >= 1)
{
double time0 = Sys_DoubleTime();
- if (sv_checkforpacketsduringsleep.integer)
+ if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
NetConn_SleepMicroseconds((int)wait);
else
Sys_Sleep((int)wait);
#ifndef SYS_H
#define SYS_H
+extern cvar_t sys_usenoclockbutbenchmark;
//
// DLL management
char *Sys_GetClipboardData (void);
+extern qboolean sys_supportsdlgetticks;
+unsigned int Sys_SDL_GetTicks (void); // wrapper to call SDL_GetTicks
+void Sys_SDL_Delay (unsigned int milliseconds); // wrapper to call SDL_Delay
+
#endif
#else
#include <unistd.h>
#include <fcntl.h>
-#include <sys/time.h>
#include <time.h>
#endif
#include <signal.h>
-cvar_t sys_usenoclockbutbenchmark = {CVAR_SAVE, "sys_usenoclockbutbenchmark", "0", "don't use ANY real timing, and simulate a clock (for benchmarking); the game then runs as fast as possible. Run a QC mod with bots that does some stuff, then does a quit at the end, to benchmark a server. NEVER do this on a public server."};
-static unsigned long benchmark_time;
-
-#ifdef WIN32
-cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1", "use windows timeGetTime function (which has issues on some motherboards) for timing rather than QueryPerformanceCounter timer (which has issues on multicore/multiprocessor machines and processors which are designed to conserve power)"};
-#else
-# ifndef MACOSX
-cvar_t sys_useclockgettime = {CVAR_SAVE, "sys_useclockgettime", "0", "use POSIX clock_gettime function (which has issues if the system clock speed is far off, as it can't get fixed by NTP) for timing rather than gettimeofday (which has issues if the system time is stepped by ntpdate, or apparently on some Xen installations)"};
-# endif
-#endif
-
-
-
// =======================================================================
// General routines
// =======================================================================
//fprintf(stdout, "%s", text);
}
-double Sys_DoubleTime (void)
-{
- static int first = true;
- static double oldtime = 0.0, curtime = 0.0;
- double newtime;
- if(sys_usenoclockbutbenchmark.integer)
- {
- benchmark_time += 1;
- return ((double) benchmark_time) / 1e6;
- }
-#ifdef WIN32
- // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
- if (sys_usetimegettime.integer)
- {
- static int firsttimegettime = true;
- // timeGetTime
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // reasonable accuracy (millisecond)
- // issues:
- // wraps around every 47 days or so (but this is non-fatal to us, odd times are rejected, only causes a one frame stutter)
-
- // make sure the timer is high precision, otherwise different versions of windows have varying accuracy
- if (firsttimegettime)
- {
- timeBeginPeriod (1);
- firsttimegettime = false;
- }
-
- newtime = (double) timeGetTime () / 1000.0;
- }
- else
- {
- // QueryPerformanceCounter
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // very accurate (CPU cycles)
- // known issues:
- // does not necessarily match realtime too well (tends to get faster and faster in win98)
- // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors)
- double timescale;
- LARGE_INTEGER PerformanceFreq;
- LARGE_INTEGER PerformanceCount;
-
- if (!QueryPerformanceFrequency (&PerformanceFreq))
- {
- Con_Printf ("No hardware timer available\n");
- // fall back to timeGetTime
- Cvar_SetValueQuick(&sys_usetimegettime, true);
- return Sys_DoubleTime();
- }
- QueryPerformanceCounter (&PerformanceCount);
-
- #ifdef __BORLANDC__
- timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale;
- #else
- timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
- #endif
- }
-#else
-# ifndef MACOSX
- if (sys_useclockgettime.integer)
- {
- struct timespec ts;
-# ifdef SUNOS
- clock_gettime(CLOCK_HIGHRES, &ts);
-# else
- clock_gettime(CLOCK_MONOTONIC, &ts);
-# endif
- newtime = (double) ts.tv_sec + ts.tv_nsec / 1000000000.0;
- }
- else
-# endif
- {
- struct timeval tp;
- gettimeofday(&tp, NULL);
- newtime = (double) tp.tv_sec + tp.tv_usec / 1000000.0;
- }
-#endif
-
- if (first)
- {
- first = false;
- oldtime = newtime;
- }
-
- if (newtime < oldtime)
- {
- // warn if it's significant
- if (newtime - oldtime < -0.01)
- Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else if (newtime > oldtime + 1800)
- {
- Con_Printf("Sys_DoubleTime: time stepped forward (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else
- curtime += newtime - oldtime;
- oldtime = newtime;
-
- return curtime;
-}
-
char *Sys_ConsoleInput(void)
{
//if (cls.state == ca_dedicated)
return NULL;
}
-void Sys_Sleep(int microseconds)
-{
- if(sys_usenoclockbutbenchmark.integer)
- {
- benchmark_time += microseconds;
- return;
- }
-#ifdef WIN32
- Sleep(microseconds / 1000);
-#else
- usleep(microseconds);
-#endif
-}
-
char *Sys_GetClipboardData (void)
{
return NULL;
{
}
-void Sys_Init_Commands (void)
-{
- Cvar_RegisterVariable(&sys_usenoclockbutbenchmark);
-#ifdef WIN32
- Cvar_RegisterVariable(&sys_usetimegettime);
-#else
-# ifndef MACOSX
- Cvar_RegisterVariable(&sys_useclockgettime);
-# endif
-#endif
-}
-
int main (int argc, char **argv)
{
signal(SIGFPE, SIG_IGN);
return 0;
}
+
+qboolean sys_supportsdlgetticks = false;
+unsigned int Sys_SDL_GetTicks (void)
+{
+ Sys_Error("Called Sys_SDL_GetTicks on non-SDL target");
+ return 0;
+}
+void Sys_SDL_Delay (unsigned int milliseconds)
+{
+ Sys_Error("Called Sys_SDL_Delay on non-SDL target");
+}
//fprintf(stdout, "%s", text);
}
-double Sys_DoubleTime (void)
-{
- static int first = true;
- static double oldtime = 0.0, curtime = 0.0;
- double newtime;
- newtime = (double) SDL_GetTicks() / 1000.0;
-
-
- if (first)
- {
- first = false;
- oldtime = newtime;
- }
-
- if (newtime < oldtime)
- {
- // warn if it's significant
- if (newtime - oldtime < -0.01)
- Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else if (newtime > oldtime + 1800)
- {
- Con_Printf("Sys_DoubleTime: time stepped forward (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else
- curtime += newtime - oldtime;
- oldtime = newtime;
-
- return curtime;
-}
-
char *Sys_ConsoleInput(void)
{
if (cls.state == ca_dedicated)
return NULL;
}
-void Sys_Sleep(int microseconds)
-{
- SDL_Delay(microseconds / 1000);
-}
-
char *Sys_GetClipboardData (void)
{
#ifdef WIN32
{
}
-void Sys_Init_Commands (void)
-{
-}
-
int main (int argc, char *argv[])
{
signal(SIGFPE, SIG_IGN);
return 0;
}
+
+qboolean sys_supportsdlgetticks = true;
+unsigned int Sys_SDL_GetTicks (void)
+{
+ return SDL_GetTicks();
+}
+void Sys_SDL_Delay (unsigned int milliseconds)
+{
+ SDL_Delay(milliseconds);
+}
#define SUPPORTDLL
-# include <time.h>
#ifndef WIN32
# include <unistd.h>
# include <fcntl.h>
+# include <sys/time.h>
+# include <time.h>
#ifdef SUPPORTDLL
# include <dlfcn.h>
#endif
#endif
}
+#ifdef WIN32
+# define HAVE_TIMEGETTIME 1
+# define HAVE_QUERYPERFORMANCECOUNTER 1
+# define HAVE_Sleep 1
+#endif
+
+#if defined(CLOCK_MONOTONIC) || defined(CLOCK_HIRES)
+# define HAVE_CLOCKGETTIME 1
+#endif
+
+#ifndef WIN32
+// FIXME improve this check, manpage hints to DST_NONE
+# define HAVE_GETTIMEOFDAY 1
+#endif
+
+#ifdef FD_SET
+# define HAVE_SELECT 1
+#endif
+
+#ifndef WIN32
+// FIXME improve this check
+# define HAVE_USLEEP 1
+#endif
+
+cvar_t sys_debugsleep = {0, "sys_debugsleep", "0", "write requested and attained sleep times to standard output, to be used with gnuplot"};
+cvar_t sys_usenoclockbutbenchmark = {CVAR_SAVE, "sys_usenoclockbutbenchmark", "0", "don't use ANY real timing, and simulate a clock (for benchmarking); the game then runs as fast as possible. Run a QC mod with bots that does some stuff, then does a quit at the end, to benchmark a server. NEVER do this on a public server."};
+cvar_t sys_usesdlgetticks = {CVAR_SAVE, "sys_usesdlgetticks", "1", "use SDL_GetTicks() timer"};
+#if HAVE_QUERYPERFORMANCECOUNTER
+cvar_t sys_usequeryperformancecounter = {CVAR_SAVE, "sys_usequeryperformancecounter", "1", "use windows QueryPerformanceCounter timer (which has issues on multicore/multiprocessor machines and processors which are designed to conserve power) for timing rather than timeGetTime function (which has issues on some motherboards)"};
+#endif
+#if HAVE_CLOCKGETTIME
+cvar_t sys_useclockgettime = {CVAR_SAVE, "sys_useclockgettime", "0", "use POSIX clock_gettime function (which has issues if the system clock speed is far off, as it can't get fixed by NTP) for timing rather than gettimeofday (which has issues if the system time is stepped by ntpdate, or apparently on some Xen installations)"};
+#endif
+
+static unsigned long benchmark_time;
+
+void Sys_Init_Commands (void)
+{
+ Cvar_RegisterVariable(&sys_debugsleep);
+ Cvar_RegisterVariable(&sys_usenoclockbutbenchmark);
+#if HAVE_TIMEGETTIME || HAVE_QUERYPERFORMANCECOUNTER || HAVE_CLOCKGETTIME || HAVE_GETTIMEOFDAY
+ if(sys_supportsdlgetticks)
+ Cvar_RegisterVariable(&sys_usesdlgetticks);
+#endif
+#if HAVE_QUERYPERFORMANCECOUNTER
+ Cvar_RegisterVariable(&sys_usetimegettime);
+#endif
+#if HAVE_CLOCKGETTIME
+ Cvar_RegisterVariable(&sys_useclockgettime);
+#endif
+}
+
+double Sys_DoubleTime(void)
+{
+ static int first = true;
+ static double oldtime = 0.0, curtime = 0.0;
+ double newtime;
+ if(sys_usenoclockbutbenchmark.integer)
+ {
+ benchmark_time += 1;
+ return ((double) benchmark_time) / 1e6;
+ }
+
+ // first all the OPTIONAL timers
+
+#if HAVE_QUERYPERFORMANCECOUNTER
+ else if (sys_usequeryperformancecounter.integer)
+ {
+ // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
+ // QueryPerformanceCounter
+ // platform:
+ // Windows 95/98/ME/NT/2000/XP
+ // features:
+ // very accurate (CPU cycles)
+ // known issues:
+ // does not necessarily match realtime too well (tends to get faster and faster in win98)
+ // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors)
+ double timescale;
+ LARGE_INTEGER PerformanceFreq;
+ LARGE_INTEGER PerformanceCount;
+
+ if (!QueryPerformanceFrequency (&PerformanceFreq))
+ {
+ Con_Printf ("No hardware timer available\n");
+ // fall back to timeGetTime
+ Cvar_SetValueQuick(&sys_usetimegettime, true);
+ return Sys_DoubleTime();
+ }
+ QueryPerformanceCounter (&PerformanceCount);
+
+ #ifdef __BORLANDC__
+ timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0);
+ newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale;
+ #else
+ timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0);
+ newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
+ #endif
+ }
+#endif
+
+#if HAVE_CLOCKGETTIME
+ else if (sys_useclockgettime.integer)
+ {
+ struct timespec ts;
+# ifdef CLOCK_MONOTONIC
+ // linux
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+# else
+ // sunos
+ clock_gettime(CLOCK_HIGHRES, &ts);
+# endif
+ newtime = (double) ts.tv_sec + ts.tv_nsec / 1000000000.0;
+ }
+#endif
+
+ // now all the FALLBACK timers
+ else if(sys_supportsdlgetticks && sys_usesdlgetticks.integer)
+ {
+ newtime = (double) Sys_SDL_GetTicks() / 1000.0;
+ }
+#if HAVE_TIMEGETTIME
+ else
+ {
+ static int firsttimegettime = true;
+ // timeGetTime
+ // platform:
+ // Windows 95/98/ME/NT/2000/XP
+ // features:
+ // reasonable accuracy (millisecond)
+ // issues:
+ // wraps around every 47 days or so (but this is non-fatal to us, odd times are rejected, only causes a one frame stutter)
+
+ // make sure the timer is high precision, otherwise different versions of windows have varying accuracy
+ if (firsttimegettime)
+ {
+ timeBeginPeriod (1);
+ firsttimegettime = false;
+ }
+
+ newtime = (double) timeGetTime () / 1000.0;
+ }
+#elif HAVE_GETTIMEOFDAY
+ else
+ {
+ struct timeval tp;
+ gettimeofday(&tp, NULL);
+ newtime = (double) tp.tv_sec + tp.tv_usec / 1000000.0;
+ }
+#else
+ // fallback for using the SDL timer if no other timer is available
+ else
+ {
+ newtime = (double) Sys_SDL_GetTicks() / 1000.0;
+ // this calls Sys_Error() if not linking against SDL
+ }
+#endif
+
+ if (first)
+ {
+ first = false;
+ oldtime = newtime;
+ }
+
+ if (newtime < oldtime)
+ {
+ // warn if it's significant
+ if (newtime - oldtime < -0.01)
+ Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
+ }
+ else if (newtime > oldtime + 1800)
+ {
+ Con_Printf("Sys_DoubleTime: time stepped forward (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
+ }
+ else
+ curtime += newtime - oldtime;
+ oldtime = newtime;
+
+ return curtime;
+}
+
+void Sys_Sleep(int microseconds)
+{
+ double t;
+ if(sys_usenoclockbutbenchmark.integer)
+ {
+ benchmark_time += microseconds;
+ return;
+ }
+ if(sys_debugsleep.integer)
+ {
+ t = Sys_DoubleTime();
+ }
+#if HAVE_SELECT
+ {
+ struct timeval tv;
+ tv.tv_sec = microseconds / 1000000;
+ tv.tv_usec = microseconds % 1000000;
+ select(0, NULL, NULL, NULL, &tv);
+ }
+#elif HAVE_USLEEP
+ usleep(microseconds);
+#elif HAVE_Sleep
+ Sleep(microseconds / 1000);
+#else
+ Sys_SDL_Delay(microseconds / 1000);
+#endif
+ if(sys_debugsleep.integer)
+ {
+ t = Sys_DoubleTime() - t;
+ printf("%d %f # debugsleep\n", microseconds, t);
+ }
+}
WriteFile(houtput, text, (DWORD) strlen(text), &dummy, NULL);
}
-/*
-================
-Sys_DoubleTime
-================
-*/
-double Sys_DoubleTime (void)
-{
- static int first = true;
- static double oldtime = 0.0, curtime = 0.0;
- double newtime;
- // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
- if (sys_usetimegettime.integer)
- {
- static int firsttimegettime = true;
- // timeGetTime
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // reasonable accuracy (millisecond)
- // issues:
- // wraps around every 47 days or so (but this is non-fatal to us, odd times are rejected, only causes a one frame stutter)
-
- // make sure the timer is high precision, otherwise different versions of windows have varying accuracy
- if (firsttimegettime)
- {
- timeBeginPeriod (1);
- firsttimegettime = false;
- }
-
- newtime = (double) timeGetTime () / 1000.0;
- }
- else
- {
- // QueryPerformanceCounter
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // very accurate (CPU cycles)
- // known issues:
- // does not necessarily match realtime too well (tends to get faster and faster in win98)
- // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors)
- double timescale;
- LARGE_INTEGER PerformanceFreq;
- LARGE_INTEGER PerformanceCount;
-
- if (!QueryPerformanceFrequency (&PerformanceFreq))
- {
- Con_Printf ("No hardware timer available\n");
- // fall back to timeGetTime
- Cvar_SetValueQuick(&sys_usetimegettime, true);
- return Sys_DoubleTime();
- }
- QueryPerformanceCounter (&PerformanceCount);
-
- #ifdef __BORLANDC__
- timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale;
- #else
- timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
- #endif
- }
-
- if (first)
- {
- first = false;
- oldtime = newtime;
- }
-
- if (newtime < oldtime)
- {
- // warn if it's significant
- if (newtime - oldtime < -0.01)
- Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else if (newtime > oldtime + 1800)
- {
- Con_Printf("Sys_DoubleTime: time stepped forward (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else
- curtime += newtime - oldtime;
- oldtime = newtime;
-
- return curtime;
-}
-
-
char *Sys_ConsoleInput (void)
{
static char text[MAX_INPUTLINE];
return NULL;
}
+double Sys_DoubleTime (void)
+{
+ return Sys_DoubleTime_Shared();
+}
+
void Sys_Sleep(int microseconds)
{
- Sleep(microseconds / 1000);
+ Sys_Sleep_Shared(microseconds);
}
char *Sys_GetClipboardData (void)
S_BlockSound ();
}
-void Sys_Init_Commands (void)
-{
- Cvar_RegisterVariable(&sys_usetimegettime);
-}
-
/*
==============================================================================
}
#endif
+qboolean sys_supportsdlgetticks = false;
+unsigned int Sys_SDL_GetTicks (void)
+{
+ Sys_Error("Called Sys_SDL_GetTicks on non-SDL target");
+ return 0;
+}
+void Sys_SDL_Delay (unsigned int milliseconds)
+{
+ Sys_Error("Called Sys_SDL_Delay on non-SDL target");
+}
projects / xonotic / darkplaces.git / commitdiff