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Core: Use std::chrono time_since_epoch

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Dentomologist 2022-08-05 17:31:25 -07:00
parent ff26f6435e
commit 02cd4ecf7d
1 changed files with 1 additions and 8 deletions
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9
Source/Core/Core/State.cpp
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@ -276,14 +276,7 @@ static constexpr int DOUBLE_TIME_OFFSET = (38 * 365 * 24 * 60 * 60);
static double GetSystemTimeAsDouble() static double GetSystemTimeAsDouble()
{ {
// FYI: std::chrono::system_clock epoch is not required to be 1970 until c++20. const auto since_epoch = std::chrono::system_clock::now().time_since_epoch();
// 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); 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(); return std::chrono::duration_cast<std::chrono::duration<double>>(since_double_time_epoch).count();