static void Main(string[] args)
{
try
{
Plateau plateau = Plateau.SetPlateauBoundries();
Console.WriteLine("Do you want to set initial poistion ? Y or N");
string UsetwantsToSetIntialPosition = Console.ReadLine();
RoverPostion rover = new RoverPostion();
if (UsetwantsToSetIntialPosition.ToUpper() == "Y")
{
rover = rover.SetInitialPosition(plateau, ref rover);
}
if (!rover.IsMoveSuccess)
{
Console.WriteLine(rover.ErrorMessage);
Console.ReadLine();
Environment.Exit(0);
}
RoverPostion.MovingRover(plateau, ref rover);
if (!rover.IsMoveSuccess)
{
Console.WriteLine(rover.ErrorMessage);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public void StartRoverMoving(Plateau platueCordinates, string movingCommand, ref RoverPostion rover)
{
foreach (char nextPostion in movingCommand)
{
if ((rover.X < 0 || rover.X >= platueCordinates.Wiidth) || (rover.Y < 0 || rover.Y >= platueCordinates.Height))
{
rover.IsMoveSuccess = false;
rover.ErrorMessage = $"Rover can not be moved out of boundries 0,0 and {platueCordinates.Wiidth},{platueCordinates.Height}";
break;
}
if (nextPostion == 'L')
{
TakeTurn(RotateDirection.L, ref rover);
}
else if (nextPostion == 'R')
{
TakeTurn(RotateDirection.R, ref rover);
}
else if (char.IsDigit(nextPostion) && int.Parse(nextPostion.ToString()) > 0)
{
MovingStraight(int.Parse(nextPostion.ToString()), ref rover);
}
else
{
Console.WriteLine($"Invalid Move {nextPostion}. It should be either L or R or positive number");
}
}
}
internal static void MovingRover(Plateau plateau, ref RoverPostion rover)
{
while (true)
{
Console.WriteLine("Please enter moving command or enter 'exit' for closing application.");
var command = Console.ReadLine();
if (command.ToUpper() == "EXIT")
{
Environment.Exit(0);
}
rover.StartRoverMoving(plateau, command, ref rover);
if (!rover.IsMoveSuccess)
{
break;
}
Console.WriteLine(String.Format("Rover current position is {0}", rover.CurrentPosition));
}
}
void TakeTurn(RotateDirection rotateDirection, ref RoverPostion rover)
{
switch (this.Direction)
{
case Directions.N:
rover.Direction = rotateDirection == RotateDirection.L ? Directions.W : Directions.E;
break;
case Directions.S:
rover.Direction = rotateDirection == RotateDirection.L ? Directions.E : Directions.W;
break;
case Directions.W:
rover.Direction = rotateDirection == RotateDirection.L ? Directions.S : Directions.N;
break;
case Directions.E:
rover.Direction = rotateDirection == RotateDirection.L ? Directions.N : Directions.S;
break;
}
}
void MovingStraight(int NumberOfSteps, ref RoverPostion rover)
{
switch (this.Direction)
{
case Directions.N:
rover.Y += NumberOfSteps;
break;
case Directions.S:
rover.Y -= NumberOfSteps;
break;
case Directions.W:
rover.X -= NumberOfSteps;
break;
case Directions.E:
rover.X += NumberOfSteps;
break;
}
}
public RoverPostion SetInitialPosition(Plateau platueCordinates, ref RoverPostion rover)
{
while (true)
{
Console.WriteLine("Enter start position in <x,y,Directio> format where direction can be N, S, E, W");
try
{
var intialPosition = Console.ReadLine().Trim().Split(',');
if (intialPosition.Count() == 3)
{
int x = Convert.ToInt32(intialPosition[0]);
int y = Convert.ToInt32(intialPosition[1]);
if ((x < 0 || x > platueCordinates.Wiidth) || (y < 0 || y > platueCordinates.Height))
{
rover.IsMoveSuccess = false;
rover.ErrorMessage = $"Rover can not be moved out of boundries 0,0 and {platueCordinates.Wiidth},{platueCordinates.Height}";
break;
}
Directions direction = (Directions)Enum.Parse(typeof(Directions), intialPosition[2]);
rover.X = x;
rover.Y = y;
rover.Direction = direction;
}
else
{
throw new Exception();
}
break;
}
catch (Exception)
{
Console.WriteLine("Please provide input in corrrect formatin <x,y,Directio> format where direction can be N, S, E, W");
}
}
rover.IsMoveSuccess = true;
rover.ErrorMessage = "";
return(rover);
}