source: Daodan/src/Daodan_Utility.c@ 440

#include <windows.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdint.h>
#include "oni_stdio.h"

#include "Daodan_Utility.h"
#include "BFW_Utility.h"

const double fps = 60.0;

void __cdecl DDrStartupMessage(const char* fmt, ...)
{
        va_list ap;
        va_start(ap, fmt);
        char* buffer = malloc(vsnprintf(NULL, 0, fmt, ap) + 1);
        
        vsprintf(buffer, fmt, ap);
        va_end(ap);

        if (!ONgFileStartup)
                if (!(ONgFileStartup = oni_fopen("startup.txt", "w")))
                        return;

        oni_fprintf(ONgFileStartup, "%s\n", buffer);
        free(buffer);
        
        oni_fflush(ONgFileStartup);
        return;
}

/*
int64_t ONICALL DDrMachineTime_Sixtieths()
{
        static int64_t LastTime, Time;
        int64_t Current;

        Current = LastTime + GetTickCount();

        if (Current > Time)
        {
                LastTime += 1;
                Current += 1;
        }

        Time = Current;

        return (Time * 3) / 50;
}
*/

int64_t ONICALL DDrMachineTime_Sixtieths()
{
        static uint32_t startticks = 0;
        double ticks = 0;
        
        if (startticks)
                ticks = GetTickCount() - startticks;
        else
                startticks = GetTickCount();
        
        return (int64_t)(ticks / 1000.0 * fps);
}

int64_t ONICALL DDrMachineTime_High()
{
//      LARGE_INTEGER PerfCount;
//      
//      if (!QueryPerformanceCounter(&PerfCount))
//              PerfCount.QuadPart = GetTickCount();
//      
//      return PerfCount.QuadPart;
        return GetTickCount();
}

double ONICALL DDrMachineTime_High_Frequency()
{
//      LARGE_INTEGER Frequency;
//
//      if (!QueryPerformanceFrequency(&Frequency))
                return 1000.0;

//      return Frequency.QuadPart;
}