/// <summary>
/// Builds Rover objects by parsing the line
/// </summary>
/// <param name="line"></param>
/// <returns></returns>
public static Rover buildRover(string line)
{
string[] partsOfline = line.Split(' ');
if (partsOfline.Length != 3)
{
Console.WriteLine("Invalid Rover Input");
Environment.Exit(-1);
}
try
{
int x = Convert.ToInt32(partsOfline[0]);
int y = Convert.ToInt32(partsOfline[1]);
char ch = Convert.ToChar(partsOfline[2]);
if ((x <= Plateau.getMaxx() && x >= 0) && (y <= Plateau.getMaxy() && y >= 0) && (ch == 'N' || ch == 'W' || ch == 'E' || ch == 'S'))
{
return(new Rover(x, y, ch));
}
else
{
Console.WriteLine("Invalid Rover Input");
Environment.Exit(-1);
return(null);
}
}
catch (Exception ex)
{
Console.WriteLine("Error in Rover Parsing" + ex.Message);
Environment.Exit(-1);
return(null);
}
}
/// <summary>
/// Advance method to change the co-ordinates based on controller input.
/// Skips the action of controller if it finds another rover for the action,
/// or crosses the boundary limits.
/// </summary>
public void advance()
{
char currentDirection = getDirection();
switch (currentDirection)
{
case 'N':
if ((_ycoord + 1 <= Plateau.getMaxy()) && (_ycoord + 1 >= 0) && (!(MarsHelper.checkCollision(_xcoord, _ycoord + 1, _direction))))
{
_ycoord = _ycoord + 1;
}
break;
case 'W':
if ((_xcoord - 1 <= Plateau.getMaxx()) && (_xcoord - 1 >= 0) && (!(MarsHelper.checkCollision(_xcoord - 1, _ycoord, _direction))))
{
_xcoord = _xcoord - 1;
}
break;
case 'E':
if ((_xcoord + 1 <= Plateau.getMaxx()) && (_xcoord + 1 >= 0) && (!(MarsHelper.checkCollision(_xcoord + 1, _ycoord, _direction))))
{
_xcoord = _xcoord + 1;
}
break;
case 'S':
if ((_ycoord - 1 <= Plateau.getMaxy()) && (_ycoord - 1 >= 0) && (!(MarsHelper.checkCollision(_xcoord, _ycoord - 1, _direction))))
{
_ycoord = _ycoord - 1;
}
break;
}
}