internal void Move(TrainPosition position)
{
switch (this.Direction)
{
case TrackDirection.Horizontal: TrainMovement.MoveHorizontal(position); break;
case TrackDirection.Vertical: TrainMovement.MoveVertical(position); break;
case TrackDirection.LeftUp: TrainMovement.MoveLeftUp(position); break;
case TrackDirection.RightUp: TrainMovement.MoveRightUp(position); break;
case TrackDirection.RightDown: TrainMovement.MoveRightDown(position); break;
case TrackDirection.LeftDown: TrainMovement.MoveLeftDown(position); break;
case TrackDirection.RightUp_RightDown: MoveRightUpDown(position); break;
case TrackDirection.RightDown_LeftDown: MoveLeftRightDown(position); break;
case TrackDirection.LeftDown_LeftUp: MoveLeftUpDown(position); break;
case TrackDirection.LeftUp_RightUp: MoveLeftRightUp(position); break;
case TrackDirection.Cross: MoveCross(position); break;
default: throw new InvalidOperationException("I don't know what that track is!");
}
}
private void MoveLeftRightDown(TrainPosition position)
{
// Check single track extremes, as there are 2 places where the
// train angle could be at 0 degrees
if (position.RelativeLeft < 0.4f)
{
TrainMovement.MoveLeftDown(position);
}
else if (position.RelativeLeft > 0.6f)
{
TrainMovement.MoveRightDown(position);
}
else if (position.Angle <= 90.0)
{
TrainMovement.MoveLeftDown(position);
}
else
{
if (this.AlternateState)
{
TrainMovement.MoveLeftDown(position);
}
else
{
TrainMovement.MoveRightDown(position);
}
}
}
private void MoveRightUpDown(TrainPosition position)
{
// Right -> Up, Enters 180, Leaves 270
// Up -> Right, Enters 90, Leaves 0
// Down -> Right, Enters 270, Leaves 0
if (position.RelativeTop < 0.4f)
{
TrainMovement.MoveRightUp(position);
}
else if (position.RelativeTop > 0.6f)
{
TrainMovement.MoveRightDown(position);
}
else if (position.Angle >= 270.0)
{
TrainMovement.MoveRightDown(position);
}
else
{
if (this.AlternateState)
{
TrainMovement.MoveRightDown(position);
}
else
{
TrainMovement.MoveRightUp(position);
}
}
}
private static void MoveLeftRightDown(TrainPosition position)
{
if (position.Angle <= 90.0)
{
TrainMovement.MoveLeftDown(position);
}
else
{
TrainMovement.MoveRightDown(position);
}
}
private static void MoveRightUpDown(TrainPosition position)
{
if ((position.Angle >= 180 && position.Angle <= 90.0) ||
(position.Angle >= 270 && position.Angle <= 360))
{
TrainMovement.MoveRightDown(position);
}
else
{
TrainMovement.MoveRightUp(position);
}
}
