private Plateau ReadPlateau()
{
var plateauLine = _reader.ReadLine();
if (string.IsNullOrEmpty(plateauLine))
{
throw new InvalidOperationException("First line doesn't contain any data");
}
var plateau = Plateau.TryParse(plateauLine);
if (plateau == null)
{
throw new InvalidOperationException("First line doesn't contain plateau coordinate data");
}
return(plateau);
}
public static Rover TryParse(Plateau plateau, string str)
{
var parts = str.Split(" ", StringSplitOptions.RemoveEmptyEntries);
if (parts.Length != 3)
{
return(null);
}
else
{
var position = Position.FromStrings(parts[0], parts[1]);
var direction = DirectionUtilities.TryParse(parts[2]);
if (position != null && direction != null)
{
return(new Rover(plateau, position.Value, direction.Value));
}
else
{
return(null);
}
}
}
private void HandleMovement()
{
Position offset;
switch (Direction)
{
case Direction.N: offset = new Position(0, 1); break;
case Direction.E: offset = new Position(1, 0); break;
case Direction.S: offset = new Position(0, -1); break;
case Direction.W: offset = new Position(-1, 0); break;
default: offset = new Position(0, 0); break;
}
var newPosition = Position + offset;
if (Plateau.Contains(newPosition))
{
Position = newPosition;
}
}
