Issue #93 Reduce update offset for 5 Hz updates and rename member

Author: oktal3700

src/blackcore/fsd/fsdclient.cpp

@@ -1706,9 +1706,9 @@ namespace BlackCore::Fsd
         const qint64 avgTimeMs = this->averageOffsetTimeMs(callsign, count, 3); // latest average
         qint64 offsetTime = CFsdSetup::c_positionTimeOffsetMsec;
 
-        if (avgTimeMs < CFsdSetup::c_interimPositionTimeOffsetMsec && count >= 3)
+        if (avgTimeMs < CFsdSetup::c_minimumPositionTimeOffsetMsec && count >= 3)
         {
-            offsetTime = CFsdSetup::c_interimPositionTimeOffsetMsec;
+            offsetTime = CFsdSetup::c_minimumPositionTimeOffsetMsec;
         }
 
         return m_additionalOffsetTime + offsetTime;

src/blackmisc/network/fsdsetup.h

@@ -64,7 +64,7 @@ namespace BlackMisc::Network
         //! \remark related to CNetworkVatlib::c_updatePostionIntervalMsec / c_updateInterimPostionIntervalMsec
         //! @{
         static constexpr qint64 c_positionTimeOffsetMsec = 6000;        //!< offset time for received position updates Ref T297
-        static constexpr qint64 c_interimPositionTimeOffsetMsec = 1500; //!< offset time for received interim position updates Ref T297
+        static constexpr qint64 c_minimumPositionTimeOffsetMsec = 700;  //!< offset time for vatsim high frequency position updates
         //! @}
 
         //! Default constructor.

src/blackmisc/simulation/interpolatorspline.cpp

@@ -132,7 +132,7 @@ namespace BlackMisc::Simulation
         }
 
         // set some default values
-        const qint64 os = qMax(CFsdSetup::c_interimPositionTimeOffsetMsec, m_s[2].getTimeOffsetMs());
+        const qint64 os = qMax(CFsdSetup::c_minimumPositionTimeOffsetMsec, m_s[2].getTimeOffsetMs());
         m_s[0].addMsecs(-os); // oldest, Ref T297 default offset time to fill data
         m_s[2].addMsecs(os);  // latest, Ref T297 default offset time to fill data
         if (m_currentSituations.isEmpty()) { return false; }