refactor timing, so that timing code is in sys_shared.c.

[xonotic/darkplaces.git] / sys_win.c

diff --git a/sys_win.c b/sys_win.c
index d571dd2a4ba9173659d2f818ec8728140c561326..5079e6ac57f3fccbdb9da3ee1e5bfa133eb2d3e1 100644 (file)
--- a/sys_win.c
+++ b/sys_win.c
@@ -119,93 +119,6 @@ void Sys_PrintToTerminal(const char *text)
                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];
@@ -286,9 +199,14 @@ char *Sys_ConsoleInput (void)
        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)
@@ -377,11 +295,6 @@ void Sys_InitConsole (void)
        S_BlockSound ();
 }
 
-void Sys_Init_Commands (void)
-{
-       Cvar_RegisterVariable(&sys_usetimegettime);
-}
-
 /*
 ==============================================================================
 
@@ -483,3 +396,13 @@ int main (int argc, const char* argv[])
 }
 #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");
+}