Restore mission bounding box, which was lost with master branch changes

src/MissionManager/TransectStyleComplexItem.cc

@@ -362,13 +362,32 @@ void TransectStyleComplexItem::_rebuildTransects(void)
         }
     }
 
+    // Calc bounding cube
+    double north = 0.0;
+    double south = 180.0;
+    double east  = 0.0;
+    double west  = 360.0;
+    double bottom = 100000.;
+    double top = 0.;
     // Generate the visuals transect representation
     _visualTransectPoints.clear();
     foreach (const QList<CoordInfo_t>& transect, _transects) {
         foreach (const CoordInfo_t& coordInfo, transect) {
             _visualTransectPoints.append(QVariant::fromValue(coordInfo.coord));
+            double lat = coordInfo.coord.latitude()  + 90.0;
+            double lon = coordInfo.coord.longitude() + 180.0;
+            north   = fmax(north, lat);
+            south   = fmin(south, lat);
+            east    = fmax(east,  lon);
+            west    = fmin(west,  lon);
+            bottom  = fmin(bottom, coordInfo.coord.altitude());
+            top     = fmax(top, coordInfo.coord.altitude());
         }
     }
+    //-- Update bounding cube for airspace management control
+    _setBoundingCube(QGCGeoBoundingCube(
+        QGeoCoordinate(north - 90.0, west - 180.0, bottom),
+        QGeoCoordinate(south - 90.0, east - 180.0, top)));
     emit visualTransectPointsChanged();
 
     _coordinate = _visualTransectPoints.count() ? _visualTransectPoints.first().value<QGeoCoordinate>() : QGeoCoordinate();
@@ -382,6 +401,14 @@ void TransectStyleComplexItem::_rebuildTransects(void)
     emit timeBetweenShotsChanged();
 }
 
+void TransectStyleComplexItem::_setBoundingCube(QGCGeoBoundingCube bc)
+{
+    if (bc != _boundingCube) {
+        _boundingCube = bc;
+        emit boundingCubeChanged();
+    }
+}
+
 void TransectStyleComplexItem::_queryTransectsPathHeightInfo(void)
 {
     _transectsPathHeightInfo.clear();

src/MissionManager/TransectStyleComplexItem.h

@@ -68,9 +68,10 @@ public:
 
     // Overrides from ComplexMissionItem
 
-    int             lastSequenceNumber  (void) const final;
-    QString         mapVisualQML        (void) const override = 0;
-    bool            load                (const QJsonObject& complexObject, int sequenceNumber, QString& errorString) override = 0;
+    int                 lastSequenceNumber  (void) const final;
+    QString             mapVisualQML        (void) const override = 0;
+    bool                load                (const QJsonObject& complexObject, int sequenceNumber, QString& errorString) override = 0;
+    QGCGeoBoundingCube  boundingCube        (void) const override { return _boundingCube; }
 
     double          complexDistance     (void) const final { return _complexDistance; }
     double          greatestDistanceTo  (const QGeoCoordinate &other) const final;
@@ -140,12 +141,14 @@ protected:
     double  _triggerDistance                (void) const;
     bool    _hasTurnaround                  (void) const;
     double  _turnaroundDistance             (void) const;
-
-    int             _sequenceNumber;
-    bool            _dirty;
-    QGeoCoordinate  _coordinate;
-    QGeoCoordinate  _exitCoordinate;
-    QGCMapPolygon   _surveyAreaPolygon;
+    void    _setBoundingCube                (QGCGeoBoundingCube bc);
+
+    int                 _sequenceNumber;
+    bool                _dirty;
+    QGeoCoordinate      _coordinate;
+    QGeoCoordinate      _exitCoordinate;
+    QGCMapPolygon       _surveyAreaPolygon;
+    QGCGeoBoundingCube  _boundingCube;
 
     enum CoordType {
         CoordTypeInterior,