static void Repopulate(this List <LaneData> list, LaneDataIterator it)
{
list.Clear();
while (it.MoveNext())
{
list.Add(it.Current);
}
}
/// <summary>
/// Determines if any lane from source segment goes to the target segment
/// based on lane arrows and lane connections.
public static bool DoesSegmentGoToSegment(ushort sourceSegmentID, ushort targetSegmentID, ushort nodeID)
{
bool startNode = NetUtil.IsStartNode(sourceSegmentID, nodeID);
if (sourceSegmentID == targetSegmentID)
{
return(TMPE.JunctionRestrictionsManager.IsUturnAllowed(sourceSegmentID, startNode));
}
ArrowDirection arrowDir = TMPE.ExtSegmentEndManager.GetDirection(sourceSegmentID, targetSegmentID, nodeID);
LaneArrows arrow = ArrowDir2LaneArrows(arrowDir);
var sourceLanes = new LaneDataIterator(
sourceSegmentID,
startNode,
TMPE.LaneArrowManager.LaneTypes,
TMPE.LaneArrowManager.VehicleTypes);
//Log.Debug("DoesSegmentGoToSegment: sourceLanes=" + sourceLanes.ToSTR());
foreach (LaneData sourceLane in sourceLanes)
{
bool connected;
if (TMPE.LaneConnectionManager.HasConnections(sourceLane.LaneID, startNode))
{
connected = IsLaneConnectedToSegment(sourceLane.LaneID, targetSegmentID);
//Log.Debug($"IsLaneConnectedToSegment({sourceLane},{targetSegmentID}) = {connected}");
}
else
{
LaneArrows arrows = TMPE.LaneArrowManager.GetFinalLaneArrows(sourceLane.LaneID);
connected = (arrows & arrow) != 0;
}
if (connected)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Determines if there is any lane connection from source lane to target segment.
/// </summary>
public static bool IsLaneConnectedToSegment(uint sourceLaneId, ushort targetSegmentID)
{
ushort sourceSegmentID = sourceLaneId.ToLane().m_segment;
ushort nodeID = sourceSegmentID.ToSegment().GetSharedNode(targetSegmentID);
bool sourceStartNode = NetUtil.IsStartNode(sourceSegmentID, nodeID);
bool targetStartNode = NetUtil.IsStartNode(targetSegmentID, nodeID);
var targetLanes = new LaneDataIterator(
targetSegmentID,
!targetStartNode,// going away from start node.
TMPE.LaneConnectionManager.LaneTypes,
TMPE.LaneConnectionManager.VehicleTypes);
foreach (LaneData targetLane in targetLanes)
{
if (TMPE.LaneConnectionManager.AreLanesConnected(sourceLaneId, targetLane.LaneID, sourceStartNode))
{
return(true);
}
}
return(false);
}
