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Ref T296, adding scenery offset as situation member plus utility functions

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* frontOrNull/backOrNull
* added offset in model
* style/renaming
This commit is contained in:
Klaus Basan
2018-07-30 15:34:50 +02:00
parent 90df1e2521
commit c8fc50e787
11 changed files with 105 additions and 22 deletions
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19
src/blackmisc/aviation/aircraftsituationchangelist.cpp
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@@ -8,7 +8,6 @@
*/
#include "blackmisc/aviation/aircraftsituationchangelist.h"
#include <tuple>
namespace BlackMisc
@@ -24,5 +23,23 @@ namespace BlackMisc
CAircraftSituationChangeList::CAircraftSituationChangeList(std::initializer_list<CAircraftSituationChange> il) :
CSequence<CAircraftSituationChange>(il)
{ }
CAircraftSituationChange CAircraftSituationChangeList::frontOrNull() const
{
if (this->isEmpty()) { return CAircraftSituationChange::null(); }
return this->front();
}
CAircraftSituationChange CAircraftSituationChangeList::backOrNull() const
{
if (this->isEmpty()) { return CAircraftSituationChange::null(); }
return this->back();
}
CAircraftSituationChange CAircraftSituationChangeList::indexOrNull(int index) const
{
if (this->size() > index) { return (*this)[index]; }
return CAircraftSituationChange::null();
}
} // namespace
} // namespace