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move "double time" code into State from Timer

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Ideally the statesave format could be changed
to just store a u64 in the future
This commit is contained in:
Shawn Hoffman
2022-07-17 20:59:31 -07:00
parent 49218f9695
commit 3384b1385e
3 changed files with 42 additions and 57 deletions
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43
Source/Core/Common/Timer.cpp
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@ -4,23 +4,16 @@
#include "Common/Timer.h"
#include <chrono>
#include <string>
#ifdef _WIN32
#include <cwchar>
#include <Windows.h>
#include <mmsystem.h>
#include <sys/timeb.h>
#include <ctime>
#include <timeapi.h>
#else
#include <sys/time.h>
#endif
#include <fmt/chrono.h>
#include <fmt/format.h>
#include "Common/CommonTypes.h"
#include "Common/StringUtil.h"
namespace Common
{
@ -106,38 +99,6 @@ u64 Timer::GetLocalTimeSinceJan1970()
return static_cast<u64>(sysTime + tzDiff + tzDST);
}
double Timer::GetSystemTimeAsDouble()
{
// FYI: std::chrono::system_clock epoch is not required to be 1970 until c++20.
// We will however assume time_t IS unix time.
using Clock = std::chrono::system_clock;
// TODO: Use this on switch to c++20:
// const auto since_epoch = Clock::now().time_since_epoch();
const auto unix_epoch = Clock::from_time_t({});
const auto since_epoch = Clock::now() - unix_epoch;
const auto since_double_time_epoch = since_epoch - std::chrono::seconds(DOUBLE_TIME_OFFSET);
return std::chrono::duration_cast<std::chrono::duration<double>>(since_double_time_epoch).count();
}
std::string Timer::SystemTimeAsDoubleToString(double time)
{
// revert adjustments from GetSystemTimeAsDouble() to get a normal Unix timestamp again
time_t seconds = (time_t)time + DOUBLE_TIME_OFFSET;
tm* localTime = localtime(&seconds);
#ifdef _WIN32
wchar_t tmp[32] = {};
wcsftime(tmp, std::size(tmp), L"%x %X", localTime);
return WStringToUTF8(tmp);
#else
char tmp[32] = {};
strftime(tmp, sizeof(tmp), "%x %X", localTime);
return tmp;
#endif
}
void Timer::IncreaseResolution()
{
#ifdef _WIN32