/// <summary>
/// Try to choose a next route, unless the target block of the current route
/// is set to wait.
/// </summary>
/// <returns>True if a next route has been chosen.</returns>
private bool ChooseNextRoute(ILocState loc)
{
// Should we wait in the destination block?
var route = loc.CurrentRoute.Actual;
if ((route == null) ||
(loc.WaitAfterCurrentRoute.Actual) ||
(loc.HasNextRoute()) ||
!ShouldControlAutomatically(loc))
{
// No need to choose a next route
return(false);
}
// The loc can continue (if a free route is found)
var nextRoute = ChooseRoute(loc, route.Route.To, route.Route.ToBlockSide.Invert(), true, 0);
if (nextRoute == null)
{
// No route available
return(false);
}
// We have a next route
nextRoute.Lock(loc);
loc.NextRoute.Actual = nextRoute;
// Set all junctions correct
nextRoute.Prepare();
return(true);
}
/// <summary>
/// Loc is entering its destination.
/// </summary>
/// <returns>The timespan before this method wants to be called again.</returns>
private TimeSpan OnEnteringDestination(ILocState loc)
{
// Check state
var state = loc.AutomaticState.Actual;
if (state != AutoLocState.EnteringDestination)
{
// Wrong state, no need to do anything
return(TimeSpan.MaxValue);
}
// Log state
log.Trace("OnEnteringDestination {0}", loc);
// The loc can continue (if a free route is found)
ChooseNextRoute(loc);
if (loc.HasNextRoute() && loc.NextRoute.Actual.IsPrepared)
{
// We have a next route, so we can continue our speed
loc.Speed.Requested = loc.GetMaximumSpeed(loc.NextRoute.Actual);
}
return(TimeSpan.MaxValue);
}