mirror of https://github.com/AxioDL/metaforce.git
63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#include <stdio.h>
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#include <stdarg.h>
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#include <time.h>
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#include "CBasics.hpp"
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namespace urde
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{
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void CBasics::Init()
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{
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}
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const char* CBasics::Stringize(const char* fmt, ...)
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{
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static char STRINGIZE_STR[2048] = {0};
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(STRINGIZE_STR, 2048, fmt, ap);
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va_end(ap);
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return STRINGIZE_STR;
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}
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const u64 CBasics::SECONDS_TO_2000 = 946684800LL;
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const u64 CBasics::TICKS_PER_SECOND = 60750000LL;
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OSTime CBasics::ToWiiTime(std::chrono::system_clock::time_point time)
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{
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time_t sysTime, tzDiff;
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struct tm* gmTime;
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sysTime = std::chrono::system_clock::to_time_t(time);
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// Account for DST where needed
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gmTime = localtime(&sysTime);
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if (!gmTime)
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return 0;
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// Lazy way to get local time in sec
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gmTime = gmtime(&sysTime);
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tzDiff = sysTime - mktime(gmTime);
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return OSTime(TICKS_PER_SECOND * ((sysTime + tzDiff) - SECONDS_TO_2000));
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}
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std::chrono::system_clock::time_point CBasics::FromWiiTime(OSTime wiiTime)
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{
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time_t time = SECONDS_TO_2000 + wiiTime / TICKS_PER_SECOND;
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time_t sysTime = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
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// Account for DST where needed
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struct tm* gmTime = localtime(&sysTime);
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if (!gmTime)
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return std::chrono::system_clock::from_time_t(0);
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// Lazy way to get local time in sec
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gmTime = gmtime(&sysTime);
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time_t tzDiff = sysTime - mktime(gmTime);
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return std::chrono::system_clock::from_time_t(time - tzDiff);
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}
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}
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