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Reflecting discussed changes for interpolation performance refs #386

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(based on FSX testing)
* Only send changed situation to SIM
* Split sending of parts / situations
* Only send parts with a reduced frequency (means slower as positions)
* Mark geodetic height as null for default values (the value is usually unavailable)
* Fixed altitude to MSL for network data
* Trace which aircrafts support aircraft parts via network
* Renamed insert_fron push_front (as proposed by Roland)

Status quo / lessons learnt
* On slower PCs jitter is still noticed for interpolated aircraft.
* Running interpolation in an independent process (aka core, not in GUI) reduced load dependencies
  => it seems to make sense to run driver in own thread
* The onGround flag in parts seems clumsy as it required to retrieve parts for position updates
* In interpolation performance really matters
This commit is contained in:
Klaus Basan
2015-02-26 21:47:28 +01:00
parent ca6cd9c063
commit eca8c5b637
21 changed files with 376 additions and 320 deletions
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24
src/blackmisc/timestampobjectlist.cpp
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@@ -29,6 +29,14 @@ namespace BlackMisc
});
}
template <class OBJ, class CONTAINER>
CONTAINER ITimestampObjectList<OBJ, CONTAINER>::findBeforeAndRemove(qint64 msSinceEpoch)
{
CONTAINER result(findBefore(msSinceEpoch));
this->removeBefore(msSinceEpoch);
return result;
}
template <class OBJ, class CONTAINER>
CONTAINER ITimestampObjectList<OBJ, CONTAINER>::findBeforeNowMinusOffset(qint64 msOffset) const
{
@@ -75,18 +83,18 @@ namespace BlackMisc
OBJ ITimestampObjectList<OBJ, CONTAINER>::latestValue() const
{
if (this->container().isEmpty()) { return OBJ(); }
CONTAINER container(container()); // copy
container.sortLatestFirst();
return container.front();
CONTAINER copy(container()); // copy
copy.sortLatestFirst();
return copy.front();
}
template <class OBJ, class CONTAINER>
OBJ ITimestampObjectList<OBJ, CONTAINER>::oldestValue() const
{
if (this->container().isEmpty()) { return OBJ(); }
CONTAINER container(container()); // copy
container.sortLatestFirst();
return container.back();
CONTAINER copy(container()); // copy
copy.sortLatestFirst();
return copy.back();
}
template <class OBJ, class CONTAINER>
@@ -134,14 +142,14 @@ namespace BlackMisc
}
template <class OBJ, class CONTAINER>
void ITimestampObjectList<OBJ, CONTAINER>::insertTimestampObject(const OBJ &object, int maxElements)
void ITimestampObjectList<OBJ, CONTAINER>::push_frontMaxElements(const OBJ &object, int maxElements)
{
Q_ASSERT(maxElements > 1);
if (this->container().size() >= (maxElements - 1))
{
this->container().truncate(maxElements - 1);
}
this->container().insert_front(object);
this->container().push_front(object);
}
// see here for the reason of thess forward instantiations