/// <summary>
/// Place function
/// </summary>
/// <param name="targetLocation">coordinate of the new location robot to be placed</param>
/// <param name="f">direction we are facing</param>
internal void Place(CoordinateXY targetLocation, Direction f = Direction.NORTH)
{
if (!_table.IsValidPlacement(targetLocation))
{
throw new RobotOutofBoundException(_table.TableBoundary, targetLocation);
}
this._location = targetLocation;
this._currentDirection = f;
}
private void SetTableDimensions(int height, int width)
{
if (height <= 0 || width <= 0)
{
throw new ArgumentException(
$"Invalid table dimensions: height {height}, width {width}");
}
this._tableBoundary = new CoordinateXY(height - 1, width - 1);
}
// validate if robot placement is valid
public bool IsValidPlacement(CoordinateXY targetLocation)
{
// if the coordinate is out side of x: 0 -> X
if (targetLocation.X < 0 ||
targetLocation.Y < 0 ||
targetLocation.Y > this.TableBoundary.Y ||
targetLocation.X > this.TableBoundary.X)
{
return(false);
}
return(true);
}
/// <summary>
/// Move function will move the toy robot one unit forward in the direction it is currently facing.
/// </summary>
/// <returns>true if move was successful, false otherwise</returns>
internal void Move()
{
if (this._location != null)
{
CoordinateXY targetLocation = new CoordinateXY(this._location.X, this._location.Y);
targetLocation.Move(this._currentDirection, 1);
if (_table.IsValidPlacement(targetLocation))
{
this._location = targetLocation;
}
else
{
throw new RobotOutofBoundException(this._table.TableBoundary, targetLocation);
}
}
else
{
throw new InvalidRobotCommandException("MOVE", "Robot has not been placed.");
}
}
public RobotOutofBoundException(CoordinateXY tableBoundary, CoordinateXY robotLocation)
{
this._tableBoundary = tableBoundary;
this._robotLocation = robotLocation;
}
