mirror of https://github.com/AxioDL/metaforce.git
140 lines
3.7 KiB
C++
140 lines
3.7 KiB
C++
#ifndef _WIN32
|
|
#include <unistd.h>
|
|
#include <sys/time.h>
|
|
#if __APPLE__
|
|
#include <mach/mach_time.h>
|
|
#endif
|
|
#else
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
#include <cstdio>
|
|
#include <cstdarg>
|
|
#include <ctime>
|
|
|
|
#include "Runtime/CBasics.hpp"
|
|
|
|
#if __APPLE__
|
|
static u64 MachToDolphinNum;
|
|
static u64 MachToDolphinDenom;
|
|
#elif _WIN32
|
|
static LARGE_INTEGER PerfFrequency;
|
|
#endif
|
|
|
|
namespace urde {
|
|
|
|
void CBasics::Initialize() {
|
|
#if __APPLE__
|
|
mach_timebase_info_data_t timebase;
|
|
mach_timebase_info(&timebase);
|
|
MachToDolphinNum = GetGCTicksPerSec() * timebase.numer;
|
|
MachToDolphinDenom = 1000000000ull * timebase.denom;
|
|
#elif _WIN32
|
|
QueryPerformanceFrequency(&PerfFrequency);
|
|
#endif
|
|
}
|
|
|
|
u64 CBasics::GetGCTicks() {
|
|
#if __APPLE__
|
|
return mach_absolute_time() * MachToDolphinNum / MachToDolphinDenom;
|
|
#elif __linux__ || __FreeBSD__
|
|
struct timespec tp;
|
|
clock_gettime(CLOCK_MONOTONIC, &tp);
|
|
|
|
return u64((tp.tv_sec * 1000000000ull) + tp.tv_nsec) * GetGCTicksPerSec() / 1000000000ull;
|
|
#elif _WIN32
|
|
LARGE_INTEGER perf;
|
|
QueryPerformanceCounter(&perf);
|
|
perf.QuadPart *= GetGCTicksPerSec();
|
|
perf.QuadPart /= PerfFrequency.QuadPart;
|
|
return perf.QuadPart;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
const u64 CBasics::SECONDS_TO_2000 = 946684800LL;
|
|
const u64 CBasics::TICKS_PER_SECOND = 60750000LL;
|
|
|
|
static struct tm* localtime_r(const time_t& time, struct tm& timeSt, long& gmtOff) {
|
|
#ifndef _WIN32
|
|
auto ret = ::localtime_r(&time, &timeSt);
|
|
if (!ret)
|
|
return nullptr;
|
|
gmtOff = ret->tm_gmtoff;
|
|
return ret;
|
|
#else
|
|
struct tm _gmSt;
|
|
auto reta = localtime_s(&timeSt, &time);
|
|
auto retb = gmtime_s(&_gmSt, &time);
|
|
if (reta || retb)
|
|
return nullptr;
|
|
gmtOff = mktime(&timeSt) - mktime(&_gmSt);
|
|
return &timeSt;
|
|
#endif
|
|
}
|
|
|
|
OSTime CBasics::ToWiiTime(std::chrono::system_clock::time_point time) {
|
|
auto sec = std::chrono::time_point_cast<std::chrono::seconds>(time);
|
|
auto us = std::chrono::duration_cast<std::chrono::microseconds>((time - sec)).count();
|
|
time_t sysTime = std::chrono::system_clock::to_time_t(sec);
|
|
|
|
struct tm _timeSt;
|
|
long gmtOff;
|
|
struct tm* timeSt = localtime_r(sysTime, _timeSt, gmtOff);
|
|
if (!timeSt)
|
|
return 0;
|
|
|
|
/* Returning local */
|
|
return OSTime(TICKS_PER_SECOND * ((sysTime + gmtOff) - SECONDS_TO_2000) + us * TICKS_PER_SECOND / 1000000);
|
|
}
|
|
|
|
std::chrono::system_clock::time_point CBasics::FromWiiTime(OSTime wiiTime) {
|
|
auto div = std::lldiv(SECONDS_TO_2000 + wiiTime, TICKS_PER_SECOND);
|
|
time_t time = time_t(div.quot);
|
|
|
|
time_t sysTime = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
|
|
struct tm _timeSt;
|
|
long gmtOff;
|
|
struct tm* timeSt = localtime_r(sysTime, _timeSt, gmtOff);
|
|
if (!timeSt)
|
|
return std::chrono::system_clock::from_time_t(0);
|
|
|
|
/* Returning GMT */
|
|
return std::chrono::system_clock::from_time_t(time - gmtOff) +
|
|
std::chrono::microseconds(div.rem * 1000000 / TICKS_PER_SECOND);
|
|
}
|
|
|
|
OSCalendarTime CBasics::ToCalendarTime(std::chrono::system_clock::time_point time) {
|
|
OSCalendarTime ret;
|
|
|
|
auto sec = std::chrono::time_point_cast<std::chrono::seconds>(time);
|
|
auto us = std::chrono::duration_cast<std::chrono::microseconds>((time - sec)).count();
|
|
time_t sysTime = std::chrono::system_clock::to_time_t(sec);
|
|
struct tm _timeSt;
|
|
long gmtOff;
|
|
struct tm* timeSt = localtime_r(sysTime, _timeSt, gmtOff);
|
|
if (!timeSt)
|
|
return {};
|
|
|
|
ret.x0_sec = timeSt->tm_sec;
|
|
ret.x4_min = timeSt->tm_min;
|
|
ret.x8_hour = timeSt->tm_hour;
|
|
ret.xc_mday = timeSt->tm_mday;
|
|
ret.x10_mon = timeSt->tm_mon;
|
|
ret.x14_year = timeSt->tm_year + 1900;
|
|
ret.x18_wday = timeSt->tm_wday;
|
|
ret.x1c_yday = timeSt->tm_yday;
|
|
|
|
auto div = std::ldiv(us, 1000);
|
|
ret.x20_msec = div.quot;
|
|
ret.x24_usec = div.rem;
|
|
|
|
return ret;
|
|
}
|
|
|
|
} // namespace urde
|