/// <summary>
/// Try to find a connection between the current junction and a reconnect junction.
/// We do a depth-first search, using the main tracks first.
/// The result (the path) is stored in a list of linking tvns.
/// In case there are DisAllowedJunctionIndexes we will not allow the connection to go over these junctions
/// </summary>
/// <param name="currentJunctionIndex">Index of the current junction</param>
/// <param name="currentJunctionIsFacing">true if the current junction is a facing junction</param>
/// <returns>true if a path was found</returns>
private bool TryToFindConnection(int currentJunctionIndex, bool currentJunctionIsFacing)
{
if (autoConnectToNodeOptions.FoundConnection(currentJunctionIndex, currentJunctionIsFacing))
{
return(autoConnectToNodeOptions.ConnectionIsGood);
}
// Did we go as deep as we want wanted to go?
if (linkingTvns.Count == maxNumberNodesToCheckForAutoFix)
{
return(false);
}
// Search further along the next Tvns that we can try.
TrackNode tn = TrackExtensions.TrackNode(currentJunctionIndex);
if (tn is TrackEndNode)
{
return(false);
}
if (currentJunctionIsFacing)
{
//for debugging it is better to have multiple lines
bool found;
found = TryToFindConnectionVia(currentJunctionIndex, tn.MainTvn());
if (found)
{
return(true);
}
found = TryToFindConnectionVia(currentJunctionIndex, tn.SidingTvn());
return(found);
}
else
{
return(TryToFindConnectionVia(currentJunctionIndex, tn.TrailingTvn()));
}
}