public string Reduce(string input, Direction initialDirection)
{
var sb = new StringBuilder();
var currentDirection = initialDirection;
foreach (var c in input.ToUpperInvariant())
{
if (c == Constants.LeftChar)
{
currentDirection = _directionsMapper.LeftOf(currentDirection);
}
if (c == Constants.RightChar)
{
currentDirection = _directionsMapper.RightOf(currentDirection);
}
if (c == Constants.MoveChar)
{
sb.Append(_directionsMapper.MapFromDirection(currentDirection));
sb.Append(Constants.MoveChar);
}
}
return(sb.ToString());
}
public string Format(Piece target)
{
return($"{target.Position.X}{target.Position.Y}{_directionsMapper.MapFromDirection(target.Direction)}");
}