public static Rover CreateRover(string definition)
{
if (string.IsNullOrEmpty(definition)) throw new WrongRoverDefinitionException("Definition of rover is empty.");
var coordinatesAndOrientation = definition.Split(' ');
if(coordinatesAndOrientation.Length != 3) throw new WrongRoverDefinitionException("Definition of rover doesn't have the proper format.");
Coordinates coordinates;
IOrientation orientation;
try
{
coordinates = new Coordinates(Convert.ToInt32(coordinatesAndOrientation[0]),
Convert.ToInt32(coordinatesAndOrientation[1]));
orientation = OrientationFactory.GenerateOrientation(coordinatesAndOrientation[2]);
}
catch (Exception ex)
{
throw new WrongRoverDefinitionException("Bad definition.", ex);
}
var rover = new Rover();
rover.Init(coordinates, orientation);
return rover;
}
public static void ExploreArea(Planet mars, Rover rover)
{
Console.WriteLine(string.Format("Initial rover location- X:{0}, Y:{1}, Direction:{2}", rover.XCoordinate, rover.YCoordinate, rover.RoverDirection.ToString()));
foreach (char command in rover.Command)
{
Console.WriteLine("Processing : " + command);
if (command == (char)Common.TurnDirection.L)
{
rover.Turn(Common.TurnDirection.L);
}
else if (command == (char)Common.TurnDirection.R)
{
rover.Turn(Common.TurnDirection.R);
}
else if (command == Common.MoveCommand)
{
mars.MoveRover(rover);
}
else
{
Console.WriteLine("Invalid Command: " + command);
}
Console.WriteLine(string.Format("{0}, {1}, {2}", rover.XCoordinate, rover.YCoordinate, rover.RoverDirection.ToString()));
}
Console.WriteLine(string.Format("Final rover location- X:{0}, Y:{1}, Direction:{2}", rover.XCoordinate, rover.YCoordinate, rover.RoverDirection.ToString()));
}
public bool AddRover(Rover rover)
{
if (!AreCoordinatesValid(rover.XCoordinate, rover.YCoordinate))
{
return false;
}
this.plataeu[rover.XCoordinate, rover.YCoordinate] = rover;
return true;
}
static void Main(string[] args)
{
Rover r1 = new Rover(1, 2, Vector.N);
r1.Execute(L,M,L,M,L,M,L,M,M);
Assert("Test 1", new Rover(1, 3, Vector.N).Equals(r1));
Rover r2 = new Rover(3, 3, Vector.E);
r2.Execute(M,M,R,M,M,R,M,R,R,M);
Assert("Test 2", new Rover(5, 1, Vector.E).Equals(r2));
Console.WriteLine("Tests passed!");
Console.ReadLine();
}
private static Rover CreateRover(string definition)
{
var coordinatesAndOrientation = definition.Split(' ');
var coordinates = new Coordinates(Convert.ToInt32(coordinatesAndOrientation[0]),
Convert.ToInt32(coordinatesAndOrientation[1]));
var orientation = OrientationFactory.GenerateOrientation(coordinatesAndOrientation[3]);
var rover = new Rover();
rover.Init(coordinates, orientation);
return rover;
}
private static void ExecutadCommands(Rover rover, string stringCommands)
{
foreach (var command in stringCommands)
{
switch(command)
{
case 'L':
rover.TurnLeft();
break;
case 'R':
rover.TurnRight();
break;
case 'M':
rover.Move();
break;
}
}
}
public static Rover GetRover(string roverPosition, string instructions)
{
if (Regex.IsMatch(roverPosition, roverPositionFormat) && Regex.IsMatch(instructions, roverInstructionsFormat))
{
string[] roverDetail = roverPosition.Split(' ');
int x = 0;
int y = 0;
if (int.TryParse(roverDetail[0], out x) && int.TryParse(roverDetail[1], out y))
{
Common.Direction dir = (Common.Direction)Enum.Parse(typeof(Common.Direction), roverDetail[2]);
Rover rover = new Rover(x, y, dir);
rover.Command = instructions;
return rover;
}
}
return null;
}
public bool MoveRover(Rover rover)
{
int oldXCoordinate = rover.XCoordinate;
int oldYCoordinate = rover.YCoordinate;
int newXCoordinate = oldXCoordinate;
int newYCoordinate = oldYCoordinate;
switch (rover.RoverDirection)
{
case Common.Direction.E:
++newXCoordinate;
break;
case Common.Direction.N:
++newYCoordinate;
break;
case Common.Direction.W:
--newXCoordinate;
break;
case Common.Direction.S:
--newYCoordinate;
break;
}
if (!AreCoordinatesValid(newXCoordinate, newYCoordinate))
{
Console.WriteLine("Cannot Move. New coordinates are not valid. Skipping this movement.");
return false;
}
rover.XCoordinate = newXCoordinate;
rover.YCoordinate = newYCoordinate;
this.plataeu[oldXCoordinate, oldYCoordinate] = null;
this.plataeu[newXCoordinate, newYCoordinate] = rover;
return true;
}
private static string[] UpdateRover(Rover rover)
{
string[] updatedInstructions = rover.position.Split(' ');
return(updatedInstructions);
}
public TurnRightCommand(Rover rover)
{
this.rover = rover;
}
/// <summary>
/// Main method that simulates the entire program
/// </summary>
/// <param name="args">File or arguments input</param>
static public void Main(string[] args)
{
bool isFile = false; // If the input is a file
string[] input = args; // This is used so that inputs can be parsed if it is a file input
// If correct file input format
if (args.Length == 2)
{
/*
* Try reading in every line from the input file and then parsing it to match argument format
*/
try
{
string[] lines = File.ReadAllLines(args[0]);
string fileInput = "";
for (int i = 0; i < lines.Length; i++)
{
fileInput += lines[i] + " ";
}
input = fileInput.Split(' ');
isFile = true;
}
catch (FileNotFoundException)
{
Console.WriteLine("File not found");
}
}
// If the argument input is valid or it is a valid file input
if (ValidInput(args) || isFile)
{
try
{
int width = int.Parse(input[0]);
int height = int.Parse(input[1]);
if (width <= 0 || height <= 0)
{
Console.WriteLine("Height and width values must be greater than 0");
throw new FormatException();
}
Grid grid = new Grid(width, height);
int numRovers = (input.Length - 2) / 4;
// Run through program for each rover
for (int i = 0; i < numRovers; i++)
{
int x = int.Parse(input[2 + (i * 4)]);
int y = int.Parse(input[3 + (i * 4)]);
char heading = char.Parse(input[4 + (i * 4)]);
if (!ValidRover(width, height, x, y, heading))
{
Console.WriteLine("Invalid rover starting position/heading");
throw new FormatException();
}
Point startingPosition = new Point(x, y);
Rover rover = new Rover(startingPosition, heading);
string instructions = input[5 + (i * 4)];
// Handle instructions
foreach (char instruction in instructions)
{
if (instruction == (char)Instructions.L || instruction == (char)Instructions.R)
{
rover.Rotate(instruction);
}
else if (instruction == (char)Instructions.M)
{
rover.Move(grid);
}
}
// If the file argument format was chosen, output to file
if (isFile)
{
if (i == 0)
{
File.WriteAllText(args[1], rover.ToString());
}
else
{
File.AppendAllText(args[1], '\n' + rover.ToString());
}
}
// If command line argument format was chosen, output to console
else
{
Console.WriteLine(rover.ToString());
}
}
}
catch (FormatException)
{
Console.Write("Inputs are not the correct format");
}
}
else
{
Console.WriteLine("Invalid input");
Console.WriteLine("Input can be command line arguments with the following format: <grid_width> <grid_height> <rover_x_position> <rover_y_position> <rover_heading> <instructions>");
Console.WriteLine("Input can be a input and output file with the following format: <input_file> <output_file>");
}
}
public TurnLeftCommand(Rover rover)
{
this.rover = rover;
}
