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corrected implementation of GetRealElapseTime (#6422)

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Signed-off-by: amzn-sean <75276488+amzn-sean@users.noreply.github.com>
This commit is contained in:
amzn-sean
2021-12-15 16:44:38 +00:00
committed by GitHub
parent cbba00d473
commit 33bfdc0bd3
2 changed files with 14 additions and 1 deletions
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Code/Framework/AzCore/AzCore/Time/TimeSystem.cpp
+6 -1
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@@ -62,6 +62,7 @@ namespace AZ
TimeSystem::TimeSystem()
{
m_lastInvokedTimeUs = static_cast<TimeUs>(AZStd::GetTimeNowMicroSecond());
m_realLastInvokedTimeUs = static_cast<TimeUs>(AZStd::GetTimeNowMicroSecond());
AZ::Interface<ITime>::Register(this);
ITimeRequestBus::Handler::BusConnect();
}
@@ -101,7 +102,11 @@ namespace AZ
TimeUs TimeSystem::GetRealElapsedTimeUs() const
{
return static_cast<TimeUs>(AZStd::GetTimeNowMicroSecond());
const TimeUs currentTime = static_cast<TimeUs>(AZStd::GetTimeNowMicroSecond());
m_realAccumulatedTimeUs += currentTime - m_realLastInvokedTimeUs;
m_realLastInvokedTimeUs = currentTime;
return m_realAccumulatedTimeUs;
}
TimeUs TimeSystem::GetSimulationTickDeltaTimeUs() const
Code/Framework/AzCore/AzCore/Time/TimeSystem.h
+8
View File
@@ -64,6 +64,14 @@ namespace AZ
//! Mutable to allow GetElapsedTimeMs/TimeUs() to be a const functions.
mutable TimeUs m_accumulatedTimeUs = AZ::Time::ZeroTimeUs;
//! Used to calculate the delta time between calls to GetRealElapsedTimeMs/TimeUs().
//! Mutable to allow GetRealElapsedTimeMs/TimeUs() to be a const functions.
mutable TimeUs m_realLastInvokedTimeUs = AZ::Time::ZeroTimeUs;
//! Accumulates the delta time of GetRealElapsedTimeMs/TimeUs() calls.
//! Mutable to allow GetRealElapsedTimeMs/TimeUs() to be a const functions.
mutable TimeUs m_realAccumulatedTimeUs = AZ::Time::ZeroTimeUs;
//! The current game tick delta time.
//! Can be affected by time system cvars.
//! Updated in AdvanceTickDeltaTimes().