protected AbstractTrackBlock(int x, int y, SequenceTrainEngine engine,
int rotationOffset) : base(engine)
{
this.x = x;
this.y = y;
this.rotationOffset = unchecked ((uint)rotationOffset);
edges = new LazyInit <TrackEnds[]>(getTrackEdgeTypes);
}
protected AbstractLogicEngineItem(SequenceTrainEngine engine)
{
if (engine == null)
{
throw new ArgumentNullException("engine");
}
Parent = engine;
}
internal Train(SequenceTrainEngine parent) : base(parent)
{
PublicCarList = carList.AsReadOnly();
locomotive = new Locomotive(this);
caboose = new Caboose(this);
//the locomotive is always the first thing in the list
carList.Add(locomotive);
}
public CurvedTrackBlock(int x, int y, int rotationOffset,
SequenceTrainEngine parent) : base(x, y, parent, rotationOffset)
{
}
public DoubleCurvedTrackBlock(int x, int y, int rotationOffset,
SequenceTrainEngine parent) : base(x, y, parent, rotationOffset)
{
a = new DoubleCurvedChild(this, rotationOffset);
b = new DoubleCurvedChild(this, rotationOffset + 2);
}
