public static void ProcessRunwayOperations(List <SteerPoint> steerPoints)
{
for (int i = 1; i < steerPoints.Count(); i++)
{
if (steerPoints[i - 1] is RunwayPoint && steerPoints[i] is RunwayPoint)
{
RunwayPoint prev = steerPoints[i - 1] as RunwayPoint;
RunwayPoint curr = steerPoints[i] as RunwayPoint;
// When entering an active zone, mark it as hold short
// When staying in the same active zone, mark it as 'on runway'
// When switching to a new active zone, try to force a hold short
// todo: will this work as intended?
curr.OnRunway = (prev.Operations == curr.Operations);
// Propagate IsExiting for as long as we are on a runway.
if (curr.OnRunway && prev.IsExiting)
{
curr.IsExiting = true;
}
}
}
}
private IEnumerable <SteerPoint> BuildSteerPoints(ResultRoute route, TaxiNode runwayExitNode)
{
List <SteerPoint> steerPoints = new List <SteerPoint>();
// Route should start at the (displaced) threshold
RunwayPoint threshold = new RunwayPoint(route.Runway.DisplacedNode, 55, $"{route.Runway.Designator} Threshold", route.RouteStart.Edge.ActiveForRunway(route.Runway.Designator))
{
OnRunway = true,
IsExiting = true
};
steerPoints.Add(threshold);
foreach (TaxiNode node in route.Runway.RunwayNodes)
{
int speed = (node == runwayExitNode) ? 35 : 55;
steerPoints.Add(new RunwayPoint(node.Latitude, node.Longitude, speed, $"{route.Runway.Designator}", route.RouteStart.Edge.ActiveForRunway(route.Runway.Designator)));
if (node == runwayExitNode) // Key of the dictionary is the last node on the runway centerline for this route
{
break;
}
}
// This is the first node off the runway centerline
steerPoints.Add(new RunwayPoint(route.StartNode, 30, route.RouteStart.Edge.LinkName, route.RouteStart.Edge.ActiveForRunway(route.Runway.Designator)));
LinkedNode link = route.RouteStart;
while (link.Node != null)
{
bool activeZone = false;
string activeFor = "";
if (link.Edge.ActiveZone)
{
activeZone = true;
activeFor = link.Edge.ActiveForRunway("");
}
else if (link.Next.Edge != null && link.Next.Edge.ActiveZone)
{
activeZone = true;
activeFor = link.Next.Edge.ActiveForRunway("");
}
if (activeZone)
{
steerPoints.Add(new RunwayPoint(link.Node.Latitude, link.Node.Longitude, 15, $"{link.Edge.LinkName}", activeFor));
}
else
{
steerPoints.Add(new SteerPoint(link.Node.Latitude, link.Node.Longitude, 15, $"{link.Edge.LinkName}"));
}
link = link.Next;
}
// remove last point if it takes us past the 'pushback point'
if (steerPoints.Count > 1)
{
SteerPoint oneButLast = steerPoints.ElementAt(steerPoints.Count - 2);
SteerPoint last = steerPoints.ElementAt(steerPoints.Count - 1);
double lastBearing = VortexMath.BearingRadians(oneButLast, last);
double bearingToPush = VortexMath.BearingRadians(last.Latitude, last.Longitude, Parking.PushBackLatitude, Parking.PushBackLongitude);
double turnToPush = VortexMath.AbsTurnAngle(lastBearing, bearingToPush);
if (turnToPush > VortexMath.Deg100Rad)
{
steerPoints.RemoveAt(steerPoints.Count - 1);
}
}
// todo: how does this all work with freaky pushback points?
// todo: tie downs
steerPoints.Add(new SteerPoint(Parking.PushBackLatitude, Parking.PushBackLongitude, 5, Parking.Name));
steerPoints.Add(new ParkingPoint(Parking.Latitude, Parking.Longitude, 5, Parking.Name, Parking.Bearing, true));
//RouteProcessor.Smooth(steerPoints);
RouteProcessor.ProcessRunwayOperations(steerPoints);
if (MaxInPoints < steerPoints.Count)
{
MaxInPoints = steerPoints.Count;
}
return(steerPoints);
}
