public void MarkCellAsCleaned(Location location)
{
if (!_cleanedCells.Contains(location))
{
_cleanedCells.Add(location);
}
}
public Robot(CommandSet commandSet, IReport reporter, Location bottomLeftBound, Location topRightBound)
{
_commandSet = commandSet;
_reporter = reporter;
_bottomLeftBound = bottomLeftBound;
_topRightBound = topRightBound;
Position = _commandSet.StartPosition;
}
private void MoveRobot(MovementCommand move)
{
switch (move.MoveDirection)
{
case Direction.North:
Position = new Location(Position.X, Position.Y + 1);
break;
case Direction.East:
Position = new Location(Position.X + 1, Position.Y);
break;
case Direction.South:
Position = new Location(Position.X, Position.Y - 1);
break;
case Direction.West:
Position = new Location(Position.X - 1, Position.Y);
break;
}
Position.Validate(_bottomLeftBound, _topRightBound);
if (_reporter != null) _reporter.RegisterNewPosition(Position);
}
/// <summary>
/// Executes single robot command.
/// </summary>
/// <param name="command">Robot command for execution</param>
public void ExecuteCommand(RobotCommand command)
{
var startLocation = new Location(LastLocation.X, LastLocation.Y);
for (int steps = 1; steps <= command.Distance; steps++)
{
switch (command.Direction)
{
case Direction.West:
CleanLocation(new Location(startLocation.X - steps, startLocation.Y));
break;
case Direction.East:
CleanLocation(new Location(startLocation.X + steps, startLocation.Y));
break;
case Direction.North:
CleanLocation(new Location(startLocation.X, startLocation.Y + steps));
break;
case Direction.South:
CleanLocation(new Location(startLocation.X, startLocation.Y - steps));
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
/// <summary>
/// Cleans single location and records last robot position.
/// </summary>
/// <param name="location">Location for cleaning</param>
private void CleanLocation(Location location)
{
_cleanedLocations.Add(location);
LastLocation = location;
}
/// <summary>
/// Constructor. Initializes robot cleaner.
/// </summary>
/// <param name="startLocation">Robot start location</param>
public RobotCleaner(Location startLocation)
{
LastLocation = startLocation;
_cleanedLocations = new HashSet<Location> {startLocation};
}
public void RegisterNewPosition(Location position)
{
_cleanedLocationStrings.Add(position);
}
public CleaningProgram(Location initialPosition, IList<MovementInstruction> moveInstructions)
{
InitialPosition = initialPosition;
MoveInstructions = new List<MovementInstruction>(moveInstructions);
}
/// <summary>
/// Parses robot location. First expected parameters is point on horizontal axis of Cartesian coordinate system,
/// and second expected parameter is point on vertical axis of Cartesian coordinate system.
/// Points should be divided by single space.
/// </summary>
/// <param name="position">Robot location in sting format</param>
/// <returns>Parsed robot location</returns>
public static Location ParseRobotLocation(string position)
{
var splitted = position.Split(' ');
var location = new Location(Int32.Parse(splitted[0]), Int32.Parse(splitted[1]));
return location;
}
protected bool Equals(Location other)
{
return X == other.X && Y == other.Y;
}