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

Author: oktal3700

src/blackcore/fsd/fsdclient.cpp

@@ -1665,13 +1665,13 @@ namespace BlackCore
             this->insertLatestOffsetTime(callsign, diff);
 
             int count = 0;
-            static const qint64 minOffsetTime = CFsdSetup::c_interimPositionTimeOffsetMsec; // no longer needed with C++17
+            static const qint64 minOffsetTime = CFsdSetup::c_minimumPositionTimeOffsetMsec; // no longer needed with C++17
             const qint64 avgTimeMs = this->averageOffsetTimeMs(callsign, count, 3); // latest average
             qint64 offsetTime = CFsdSetup::c_positionTimeOffsetMsec;
 
             if (avgTimeMs < minOffsetTime && count >= 3)
             {
-                offsetTime = CFsdSetup::c_interimPositionTimeOffsetMsec;
+                offsetTime = CFsdSetup::c_minimumPositionTimeOffsetMsec;
             }
 
             return m_additionalOffsetTime + offsetTime;

src/blackmisc/network/fsdsetup.h

@@ -62,7 +62,7 @@ namespace BlackMisc
             //! \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

@@ -134,7 +134,7 @@ namespace BlackMisc
             }
 
             // set some default values
-            const qint64 defaultValueMs = CFsdSetup::c_interimPositionTimeOffsetMsec; // CLANG cannot use reference in qMax
+            const qint64 defaultValueMs = CFsdSetup::c_minimumPositionTimeOffsetMsec; // CLANG cannot use reference in qMax
             const qint64 os = qMax(defaultValueMs, 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