/// <summary>
/// Prepare this state for use in a live railway.
/// Make sure all relevant connections to other state objects are resolved.
/// </summary>
/// <returns>True if the entity is now ready for use in a live railway, false otherwise.</returns>
protected override bool TryPrepareForUse(IStateUserInterface ui, IStatePersistence statePersistence)
{
// Resolve command station
var cs = RailwayState.SelectCommandStation(Entity);
if (cs == null)
{
return(false);
}
cs.AddInput(this);
// Resolve destination blocks
var routes = RailwayState.RouteStates.Where(x => x.Contains(this));
destinationBlocks = routes.Select(x => x.To).ToList();
if (Entity.Block != null)
{
var blockState = RailwayState.BlockStates[Entity.Block];
if ((blockState != null) && (!destinationBlocks.Contains(blockState)))
{
destinationBlocks.Add(blockState);
}
}
return(true);
}
/// <summary>
/// Select the command station to use for this state.
/// </summary>
protected virtual CommandStationState SelectCommandStation()
{
var aEntity = Entity as IAddressEntity;
if (aEntity == null)
{
throw new NotSupportedException("Entity must have an address");
}
return(RailwayState.SelectCommandStation(aEntity));
}
/// <summary>
/// Prepare this state for use in a live railway.
/// Make sure all relevant connections to other state objects are resolved.
/// </summary>
/// <returns>True if the entity is now ready for use in a live railway, false otherwise.</returns>
protected override bool TryPrepareForUse(IStateUserInterface ui, IStatePersistence statePersistence)
{
var cs = RailwayState.SelectCommandStation(Entity);
if (cs == null)
{
return(false);
}
this.statePersistence = statePersistence;
cs.AddLoc(this);
commandStation = cs;
return(true);
}
/// <summary>
/// Prepare this state for use in a live railway.
/// Make sure all relevant connections to other state objects are resolved.
/// </summary>
/// <returns>True if the entity is now ready for use in a live railway, false otherwise.</returns>
protected override bool TryPrepareForUse(IStateUserInterface ui, IStatePersistence statePersistence)
{
// Resolve block.
var entity = Entity;
block = (entity.Block != null) ? RailwayState.BlockStates[entity.Block] : null;
if (block == null)
{
return(false);
}
// Resolve command station
var cs = RailwayState.SelectCommandStation(Entity);
if (cs == null)
{
return(false);
}
commandStation = cs;
commandStation.AddSignal(this);
return(true);
}