*/
// sys_win.c -- Win32 system interface code
-#include "quakedef.h"
#include <windows.h>
#include <mmsystem.h>
+#include <direct.h>
#ifdef SUPPORTDIRECTX
#include <dsound.h>
#endif
+
+#include "qtypes.h"
+
+#include "quakedef.h"
#include "errno.h"
#include "resource.h"
#include "conproc.h"
-#include "direct.h"
-
-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)"};
HANDLE hinput, houtput;
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;
}
-void Sys_Sleep(int microseconds)
-{
- Sleep(microseconds / 1000);
-}
-
char *Sys_GetClipboardData (void)
{
char *data = NULL;
S_BlockSound ();
}
-void Sys_Init_Commands (void)
-{
- Cvar_RegisterVariable(&sys_usetimegettime);
-}
-
/*
==============================================================================
}
}
+ Sys_ProvideSelfFD();
+
Host_Main();
/* return success of application */
}
#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");
+}