public static string Run(string input)
{
var sr = new StringReader(input);
var gridMaxString = sr.ReadLine();
Parser parser = new Parser();
var gridMax = parser.MaxPosition(gridMaxString);
var output = new StringBuilder();
for (; ; )
{
var startAsString = sr.ReadLine();
var movementsAsString = sr.ReadLine();
if (string.IsNullOrEmpty(startAsString) || string.IsNullOrEmpty(movementsAsString))
{
break;
}
var start = parser.Start(startAsString);
var movements = parser.Movements(movementsAsString);
var rover = new Rover(start.Position, start.Direction);
rover = movements(rover);
output.AppendFormat("{0}{1}", rover, Environment.NewLine);
}
return output.ToString();
}
public void TestMove(string movements, char direction, int startX, int startY, int finalX, int finalY)
{
Grid world = new Grid(10, 10);
Rover rover = new Rover(startX, startY, direction);
world.GridCellAt(3, 5).ContainsObstacle = true;
world.GridCellAt(3, 6).ContainsObstacle = true;
world.GridCellAt(1, 8).ContainsObstacle = true;
world.GridCellAt(7, 4).ContainsObstacle = true;
world.GridCellAt(6, 2).ContainsObstacle = true;
rover.World = world;
foreach (char movement in movements)
{
if (!rover.Move(movement))
{
break;
}
}
Console.WriteLine("Final Location: " + rover.CurrentLocation.X + " " + rover.CurrentLocation.Y);
Assert.AreEqual(finalX, rover.CurrentLocation.X);
Assert.AreEqual(finalY, rover.CurrentLocation.Y);
}
public void TurnTest()
{
var testRover = new Rover("test1", new Position() { X = 0, Y = 0 }, OrientationEnum.E, new MockComModule(),
new MockTerrain() { Grid = new IRover[5, 5] });
testRover.Turn(Direction.Left);
var expectedOrientation = OrientationEnum.N;
Assert.AreEqual(testRover.Orientation, expectedOrientation);
testRover.Turn(Direction.Left);
expectedOrientation = OrientationEnum.W;
Assert.AreEqual(testRover.Orientation, expectedOrientation);
testRover.Turn(Direction.Left);
expectedOrientation = OrientationEnum.S;
Assert.AreEqual(testRover.Orientation, expectedOrientation);
testRover.Turn(Direction.Left);
expectedOrientation = OrientationEnum.E;
Assert.AreEqual(testRover.Orientation, expectedOrientation);
testRover.Turn(Direction.Right);
expectedOrientation = OrientationEnum.S;
Assert.AreEqual(testRover.Orientation, expectedOrientation);
testRover.Turn(Direction.Right);
expectedOrientation = OrientationEnum.W;
Assert.AreEqual(testRover.Orientation, expectedOrientation);
testRover.Turn(Direction.Right);
expectedOrientation = OrientationEnum.N;
Assert.AreEqual(testRover.Orientation, expectedOrientation);
testRover.Turn(Direction.Right);
expectedOrientation = OrientationEnum.E;
Assert.AreEqual(testRover.Orientation, expectedOrientation);
}
public void MoveTest()
{
Surface MySurface = new Surface(new Size(5, 5));
Rover Rover1 = new Rover(MySurface, new Point(0, 0), PhysicalObject.Heading.North);
Rover1.Move();
Assert.AreEqual(new Point(0, 1), MySurface.GetPosition(Rover1));
}
private static void MoveRover(IGrid grid, string locationLine, string movesLine)
{
IDirectionParser directionParser = (IDirectionParser)container[typeof(IDirectionParser)];
ILocationParser locationParser = (ILocationParser)container[typeof(ILocationParser)];
Direction direction = directionParser.GetDirection(locationLine);
Point location = locationParser.GetLocation(locationLine);
IMoveSupplier supplier = (IMoveSupplier)container[typeof(IMoveSupplier)];
supplier.Init(movesLine);
Rover rover = new Rover(direction, location, grid, supplier);
try
{
rover.ExecuteMoves();
}
catch (InvalidLocationException ex)
{
Console.WriteLine(MarsRover.IllegalLocation);
}
Console.WriteLine(String.Format("{0} {1} {2}", rover.Location.X, rover.Location.Y, rover.Direction));
container.Release(supplier);
container.Release(directionParser);
container.Release(locationParser);
}
public void PlexisChallenge()
{
Surface MySurface = new Surface(new Size(5, 5));
Rover Spirit = new Rover(MySurface, new Point(1, 2), PhysicalObject.Heading.North);
Spirit.Rotate(PhysicalObject.Rotation.Left);
Spirit.Move();
Spirit.Rotate(PhysicalObject.Rotation.Left);
Spirit.Move();
Spirit.Rotate(PhysicalObject.Rotation.Left);
Spirit.Move();
Spirit.Rotate(PhysicalObject.Rotation.Left);
Spirit.Move();
Spirit.Move();
Assert.AreEqual(new Point(1, 3), MySurface.GetPosition(Spirit));
Assert.AreEqual(PhysicalObject.Heading.North, Spirit.Direction);
Rover Opportunity = new Rover(MySurface, new Point(3, 3), PhysicalObject.Heading.East);
Opportunity.Move();
Opportunity.Move();
Opportunity.Rotate(PhysicalObject.Rotation.Right);
Opportunity.Move();
Opportunity.Move();
Opportunity.Rotate(PhysicalObject.Rotation.Right);
Opportunity.Move();
Opportunity.Rotate(PhysicalObject.Rotation.Right);
Opportunity.Rotate(PhysicalObject.Rotation.Right);
Opportunity.Move();
Assert.AreEqual(new Point(5, 1), MySurface.GetPosition(Opportunity));
Assert.AreEqual(PhysicalObject.Heading.East, Opportunity.Direction);
}
/*
* Bu Sınıfın görevi Program.cs tarafından oluşturulacak olan Rover nesnesinin dışardan verilerini alarak önce RoverValidator sınıfında kontrole
* göndermek ardından ise veriler doğru ise gerekli atamaları gerekli Propertylere gönderek instance alma işlemini tamamlamak.Eğer yanlış veri girilir ise
* Validator sınıfı false göndereceği için doğru değer gönderilene ve check değişkeni true olana kadar veri alma işlemeni yapmaya devam edecektir.
*
*
*/
public static MarsRover.Rover RoverCreator(Plateau plateau)
{
bool check = false;
List <char> RoverCoordinates = null;
Console.WriteLine("Rover Parametrelerini Giriniz");
while (check == false)
{
RoverCoordinates = InputSeperator.Seperate(Console.ReadLine());
check = RoverValidator.Validate(RoverCoordinates);
}
int x = (int)char.GetNumericValue(RoverCoordinates[0]);
RoverCoordinates.RemoveAt(0);
int y = (int)char.GetNumericValue(RoverCoordinates[0]);
RoverCoordinates.RemoveAt(0);
string direction = Convert.ToString(RoverCoordinates[0]);
MarsRover.Rover rover = new MarsRover.Rover(x, y, direction, plateau);
return(rover);
}
public void Should_Reset_Rover()
{
Rover rover = new Rover(5, 10, Direction.South);
rover.Reset();
Assert.AreEqual(new int[] { 0, 0 }, rover.GetLocation());
Assert.AreEqual(Direction.North, rover.GetDirection());
}
public RoverController(Stream stream)
{
using (var reader = new StreamReader(stream))
{
var firstLine = reader.ReadLine();
plateau = plateauParser.Parse(firstLine);
while (!reader.EndOfStream)
{
var roverPositionLine = reader.ReadLine();
var roverPosition = roverParser.Parse(roverPositionLine);
var roverCommandsLine = reader.ReadLine();
var commands = commandParser.Parse(roverCommandsLine);
var rover = new Rover(plateau, roverPosition.Coordinate, roverPosition.Direction);
foreach (var command in commands)
{
command.Execute(rover);
}
rovers.Add(rover);
}
}
}
public void InitialPosition()
{
var rover = new Rover(2, 4);
Assert.AreEqual(2, rover.X);
Assert.AreEqual(4, rover.Y);
}
public void isCurrentPositionLengthLower()
{
string[] cPos = { "1", "2" };
string[] comm = { "L", "M", "L", "M", "L", "M", "L", "M", "M" };
MarsRover.Rover r1 = new MarsRover.Rover(cPos, comm);
Assert.That(r1.ErrCode == 0, r1.ErrDesc);
}
public void isCurrentPositionFormatFalseNotNESW()
{
string[] cPos = { "1", "2", "Y" };
string[] comm = { "L", "M", "L", "M", "L", "M", "L", "M", "M" };
MarsRover.Rover r1 = new MarsRover.Rover(cPos, comm);
Assert.That(r1.ErrCode == 0, r1.ErrDesc);
}
public void CrashLandedTest()
{
Surface MySurface = new Surface(new Size(5, 5));
Rover Rover1 = new Rover(MySurface, new Point(0, 0), PhysicalObject.Heading.North);
Rover Rover2 = new Rover(MySurface, new Point(0, 0), PhysicalObject.Heading.East);
Assert.AreEqual(true, Rover2.CrashLanded);
}
public void TRoverConstructor()
{
MarsRover.Plateau plateau = Plateau.FormSize(5, 5);
string baseLocation = "1 2 N";
string name = "rover1";
MarsRover.Rover target = new MarsRover.Rover(plateau, baseLocation, name);
Assert.AreEqual(target.BaseLocation.ToString(), baseLocation);
}
public void RoverTakesInStartingPositionAndDirections()
{
rover = new Rover(new Coordinate(1, 2), Direction.North, grid);
Assert.AreEqual(1, rover.Position.X);
Assert.AreEqual(2, rover.Position.Y);
Assert.AreEqual(Direction.North, rover.Direction);
}
public void RoverReadCommandsTest()
{
Plateau plateau = new Plateau(5,5);
Rover rover = new Rover(1, 2, "N", plateau);
String expected = "N";
Assert.AreEqual(expected, rover.ReadCommands("LLLL"));
}
public void InitRoverWithNegativeYCoordinate()
{
Point location = new Point(0, -1);
Direction direction = Direction.N;
Rover rover = new Rover(direction, location,null,null);
Assert.AreEqual(location, rover.Location);
Assert.AreEqual(direction, rover.Direction);
}
public void InitRover()
{
Point location = new Point(0,0);
Direction direction = Direction.N;
Rover rover = new Rover(direction, location,null, null);
Assert.AreEqual(location, rover.Location);
Assert.AreEqual(direction, rover.Direction);
}
public void isInstructionsFormatFalse()
{
string[] cPos = { "1", "2", "N" };
string[] comm = { "L", "M", "L", "M", "L", "M", "L", "M", "X" };
MarsRover.Rover r1 = new MarsRover.Rover(cPos, comm);
Assert.That(r1.ErrCode == 0, r1.ErrDesc);
}
public void PDFTestCase2()
{
string[] cPos = { "3", "3", "E" };
string[] comm = { "M", "M", "R", "M", "M", "R", "M", "R", "R", "M" };
string[] result = { "5", "1", "E" };
MarsRover.Rover r1 = new MarsRover.Rover(cPos, comm);
Assert.AreEqual(r1.NewPosition, result);
}
public void Rover_Which_Is_North_When_Asked_To_MoveForward_Should_Move_One_Unit_Vertically()
{
Orientation northOrientation = OrientationGenerator.GetOrientation (Direction.North);
Location location = new Location (new Position (2, 3), northOrientation);
Location expectedLocation = new Location (new Position (2, 4), northOrientation);
Rover rover = new Rover (location);
Location actualLocation = rover.MoveForward ();
Assert.AreEqual (expectedLocation,actualLocation);
}
public void Rover_Which_Is_East_When_Asked_To_MoveForward_Should_Move_One_Unit_Horizontally()
{
Orientation eastOrientation = OrientationGenerator.GetOrientation (Direction.East);
Location location = new Location (new Position (2, 3), eastOrientation);
Location expectedLocation = new Location (new Position (3, 3), eastOrientation);
Rover rover = new Rover (location);
Location actualLocation = rover.MoveForward ();
Assert.AreEqual (expectedLocation,actualLocation);
}
public void Test_Get_Rover_Directional_Heading()
{
Rover rover = new Rover();
rover.PositionHeading = "N";
string headingReturned;
Navigation navigation = new Navigation(rover);
headingReturned = navigation.GetDirectionalHeading();
Assert.AreEqual("N", headingReturned);
}
public void Test_Rover_Left_Turn_West_()
{
Rover rover = new Rover();
rover.PositionHeading = "N";
Navigation navigation = new Navigation(rover);
rover.Command_Receiver("L");
Assert.AreEqual("W", navigation.GetDirectionalHeading());
}
public void Test_Rover_Turns_North()
{
Rover rover = new Rover();
rover.PositionHeading = "W";
Navigation navigation = new Navigation(rover);
rover.Command_Parser("R");
Assert.AreEqual("N", navigation.GetDirectionalHeading());
}
public void Rover_When_Facing_North_Should_Turn_To_West_When_Asked_To_TurnLeft()
{
Orientation northOrientation = OrientationGenerator.GetOrientation (Direction.North);
Orientation westOrientation = OrientationGenerator.GetOrientation (Direction.West);
Location location = new Location (new Position (2, 3), northOrientation);
Location expectedLocation = new Location (new Position (2, 3), westOrientation);
Rover rover = new Rover (location);
Location actualLocation = rover.TurnLeft ();
Assert.AreEqual (expectedLocation,actualLocation);
}
public void RoverMovesBackwardFacingEast()
{
rover = new Rover(new Coordinate(1, 2), Direction.East, grid);
var commands = new char[] { Command.Backward };
rover.Move(commands);
Assert.AreEqual(0, rover.Position.X);
Assert.AreEqual(2, rover.Position.Y);
Assert.AreEqual(Direction.East, rover.Direction);
}
public void RoverMovesForwardFacingSouth()
{
rover = new Rover(new Coordinate(1, 2), Direction.South, grid);
var commands = new char[] { Command.Forward };
rover.Move(commands);
Assert.AreEqual(1, rover.Position.X);
Assert.AreEqual(1, rover.Position.Y);
Assert.AreEqual(Direction.South, rover.Direction);
}
static void Main(string[] args)
{
Plateau plateau = new Plateau(5, 5);
Rover rover = new Rover(1, 2, "N", plateau);
Rover rover2 = new Rover(3, 3, "E", plateau);
rover.ReadCommands("LMLMLMLMM");
rover2.ReadCommands("MMRMMRMRRM");
Console.WriteLine(rover.toString());
Console.WriteLine(rover2.toString());
}
public void Should_Be_Blocked_By_Obstacle()
{
bool[,] map = create_map(1,0);
Rover rover = new Rover(0, 0, Direction.North);
Assert.False(rover.Move(Command.f, map).IsOperationSucceeded());
Assert.AreEqual(new int[] { 0, 0 }, rover.GetLocation());
Assert.True(rover.Move(Command.r, map).IsOperationSucceeded());
Assert.True(rover.Move(Command.f, map).IsOperationSucceeded());
Assert.AreEqual(new int[] { 0, 1 }, rover.GetLocation());
}
public void SetUp()
{
List<int[]> obstacles = new List<int[]>()
{
new int[] { 4, 4 }, new int[] { 4, 5 }, new int[] { 4, 6 },
new int[] { 5, 4 }, new int[] { 5, 5 }, new int[] { 5, 6 },
new int[] { 6, 4 }, new int[] { 6, 5 }, new int[] { 6, 6 },
};
mars = new Map(10, 10);
mars.Obstacles = obstacles;
marsRover = new Rover(new NorthFacingRover(), mars);
}
public void XDimensionMoveTest()
{
var testRover = new Rover("test1", new Position() { X = 2, Y = 2 }, OrientationEnum.W, new MockComModule(),
new MockTerrain() { Grid = new IRover[5, 5] });
testRover.Move();
var expectedPosition = new Position() { X = 1, Y = 2 };
Assert.AreEqual(testRover.Position, expectedPosition);
testRover.Orientation = OrientationEnum.E;
testRover.Move();
expectedPosition.X = 2;
Assert.AreEqual(testRover.Position, expectedPosition);
}
public void RoverConstructorTest()
{
Plateau plateau = new Plateau(5, 5);
Rover rover = new Rover(1, 2, "N", plateau);
int expected = 1;
Assert.AreEqual(expected, rover.PlateauX);
expected = 2;
Assert.AreEqual(expected, rover.PlateauY);
String expected2 = "N";
Assert.AreEqual(expected2, rover.Direction);
}
public void Test_Get_Set_The_Grid()
{
Rover rover = new Rover();
rover.PositionHeading = "E";
rover.PositionY = 4;
rover.PositionX = 3;
rover.LandscapeHeight = 3;
rover.LandscapeWidth = 3;
Assert.AreEqual(4, rover.PositionY);
Assert.AreEqual(3, rover.PositionX);
}
public void RoverReadCommandsTestWithMove()
{
Plateau plateau = new Plateau(5, 5);
Rover rover = new Rover(1, 2, "N", plateau);
int expectedX = 1;
int expectedY = 3;
String expected = "N";
rover.ReadCommands("LMLMLMLMM");
Assert.AreEqual(expected, rover.Direction);
Assert.AreEqual(expectedX, rover.PlateauX);
Assert.AreEqual(expectedY, rover.PlateauY);
}
/// <summary>
/// Creates the URI path for Rover
/// </summary>
/// <param name="uri"></param>
/// <param name="rover"></param>
/// <returns></returns>
public string UriRover(string uri, Rover rover)
{
return(string.Concat(uri, rover.Name, "/"));
}
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
int X = 0;
int Y = 0;
string direction = "N";
RoverDirection rd = RoverDirection.N;
Position roverPosition = new Position(X, Y);
Plateau marsPlateau = new Plateau(new Position(X, Y));
int platSizeW = 1;
int platSizeL = 1;
if (Request["txtPlateauDimension"] != null)
{
if (Request["txtPlateauDimension"] != "")
{
string initSize = Request["txtPlateauDimension"];
string[] sizeArray = initSize.Split(' ');
if (sizeArray.Length == 2)
{
int.TryParse(sizeArray[0], out platSizeW);
int.TryParse(sizeArray[1], out platSizeL);
marsPlateau.PlateauPosition.X = platSizeW;
marsPlateau.PlateauPosition.Y = platSizeL;
}
}
}
if (Request["txtInitRover"] != null)
{
if (Request["txtInitRover"] != "")
{
string initPos = Request["txtInitRover"];
string[] posArray = initPos.Split(' ');
if (posArray.Length == 3)
{
int.TryParse(posArray[0], out X);
int.TryParse(posArray[1], out Y);
roverPosition.X = X;
roverPosition.Y = Y;
switch (posArray[2])
{
case "N":
rd = RoverDirection.N;
break;
case "E":
rd = RoverDirection.E;
break;
case "S":
rd = RoverDirection.S;
break;
case "W":
rd = RoverDirection.W;
break;
}
}
}
}
Rover rover = new Rover(roverPosition, rd, marsPlateau);
string retval = rover.Process(Request["txtCommands"]);
Response.Write(retval);
}
}
public RoverCommandCenter(Rover rover) : this(rover, Int32.MaxValue)
{
}
public void PlaceRover(Rover rover)
{
PlacedRovers.Add(rover);
}
public MovementSystem(Terrain terrain, Rover rover)
{
this.terrain = terrain;
this.rover = rover;
}
static void Main(string[] args)
{
Console.Write("Enter the plateau's upper-right coordinates (ex. 5 5) :");
string line = Console.ReadLine();
Coordinate upperRightCoordinate = MarsRoverCommandHelper.PopulateCoordinate(line);
if (upperRightCoordinate is default(Coordinate))
{
Console.WriteLine("The input is not valid.");
return;
}
// generate the rover and plateau
Coordinate lowerLeftCoordinate = new Coordinate();
PlateauBounds plateauBounds = new PlateauBounds(upperRightCoordinate, lowerLeftCoordinate);
IPlateau plateau = new Plateau(plateauBounds);
Coordinate roverCurrentPosition = new Coordinate();
RoverPosition roverPosition = new RoverPosition(roverCurrentPosition, RoverDirectionEnum.North);
IRover rover = new Rover(plateau, roverPosition);
while (true)
{
Console.Clear();
Console.WriteLine(string.Format("Plateau's bounds are: Upper-Right = ({0},{1}) Lower-Left = ({2},{3})" + Environment.NewLine,
plateau.Bounds.UpperRight.X,
plateau.Bounds.UpperRight.Y,
plateau.Bounds.LowerLeft.X,
plateau.Bounds.LowerLeft.Y));
Console.Write("Enter the rover's start position (ex. 1 1 N) :");
line = Console.ReadLine();
rover.CurrentPosition = MarsRoverCommandHelper.PopulateRoverPosition(line);
if (rover.CurrentPosition is default(RoverPosition))
{
Console.WriteLine("The input is not valid.");
return;
}
Console.Write("Enter rover's moving sequence (ex. LMRMRMM) :");
line = Console.ReadLine();
IEnumerable <MovingDirectionEnum> movingDirectionList = MarsRoverCommandHelper.PopulateMovingDirectionList(line);
if (movingDirectionList.Any() == false)
{
Console.WriteLine("The input is not valid.");
return;
}
foreach (MovingDirectionEnum direction in movingDirectionList)
{
rover.Move(direction);
}
Console.WriteLine(string.Format(Environment.NewLine + "Current Position is: {0} {1} {2}", rover.CurrentPosition.Coordinate.X, rover.CurrentPosition.Coordinate.Y, rover.CurrentPosition.Direction));
Console.Write(Environment.NewLine + "0: Exit \n1: Retry\nSelect :");
ConsoleKeyInfo key = Console.ReadKey();
if (key.Key != ConsoleKey.D1 && key.Key != ConsoleKey.NumPad1)
{
return;
}
}
}
static void Main(string[] args)
{
HashSet <Rover> Rovers = new HashSet <Rover>();
String[] Input;
Console.WriteLine("Please specify the size of the Mars Plateu:");
Console.WriteLine("The first number is the width, and the second number is the height.");
Input = Console.ReadLine().Split(' ');
Surface MySurface = new Surface(new Size(Convert.ToInt32(Input[0]), Convert.ToInt32(Input[1])));
while (true)
{
Console.WriteLine("");
Console.WriteLine("Please specify the starting position and direction of the rover:");
Console.WriteLine("The first number is the horizontal coordinate, the second number is the vertical coordinate");
Console.WriteLine("The third value is a single character representing a Cardinal Point (N, S, E, or W)");
Console.WriteLine("Please enter a blank line to indicate you have no more rovers to enter.");
Input = Console.ReadLine().Split(' ');
try
{
PhysicalObject.Heading Direction = PhysicalObject.Heading.North;
switch (Input[2].ToUpper())
{
case "N":
Direction = PhysicalObject.Heading.North;
break;
case "E":
Direction = PhysicalObject.Heading.East;
break;
case "S":
Direction = PhysicalObject.Heading.South;
break;
case "W":
Direction = PhysicalObject.Heading.West;
break;
}
Rover CurrentRover = new Rover(MySurface, new Point(Convert.ToInt32(Input[0]), Convert.ToInt32(Input[1])), Direction);
Console.WriteLine("Please provide a string of directions for the rover to follow. No spaces are requred.");
Console.WriteLine("{ L = Turn Left; R = Turn Right; M = Move 1 unit forward }");
String UserInput = Console.ReadLine().Replace(" ", "");
foreach (Char character in UserInput.ToUpper())
{
switch (character)
{
case 'L':
CurrentRover.Rotate(PhysicalObject.Rotation.Left);
break;
case 'R':
CurrentRover.Rotate(PhysicalObject.Rotation.Right);
break;
case 'M':
CurrentRover.Move();
break;
}
}
Rovers.Add(CurrentRover);
}
catch
{
break;
}
}
Console.WriteLine("These are the resulting location(s) for your rover(s):");
foreach (Rover TestRover in Rovers)
{
String Output = "";
Output += MySurface.GetPosition(TestRover).X;
Output += " ";
Output += MySurface.GetPosition(TestRover).Y;
Output += " ";
switch (TestRover.Direction)
{
case PhysicalObject.Heading.North:
Output += "N";
break;
case PhysicalObject.Heading.East:
Output += "E";
break;
case PhysicalObject.Heading.South:
Output += "S";
break;
case PhysicalObject.Heading.West:
Output += "W";
break;
}
Console.WriteLine(Output);
}
Console.Read();
}
public Navigation(Rover rover)
{
_rover = rover;
}
public RoverCommandCenter(Rover rover, Planet planet)
{
_planet = planet;
_roverCommandFactory = new RoverCommandFactory();
Rover = rover;
}
public Orchastrator()
{
_rover = new Rover(_x, _y, _direction);
}
} //string with ending coordinates and heading of each rover encountered
public ProcessorState()
{
Plateau = new Plateau();
Rover = new Rover();
RoverEndValues = "";
}
private string ParseRoverInstructions(string[] instructions)
{
StringBuilder output = new StringBuilder();
for (int i = 1; i < instructions.Length; i += 2)
{
var startPosLine = instructions[i];
if (!IsValidPosition(startPosLine)) // verify the start position is in the valid format
{
output.AppendLine($"Warning: Invalid start position for Rover #{i / 2}. Sipping rover commands.");
continue;
}
var startPos = instructions[i].Split(' ');
Rover rover = new Rover(int.Parse(startPos[0]), int.Parse(startPos[1]), startPos[2]);
if (!IsInBounds(rover.Position)) // verify that the given start position is in bounds of the plateau
{
output.AppendLine($"Warning: Invalid start position for Rover #{i / 2}. Sipping rover commands.");
continue;
}
var commands = instructions[i + 1];
if (!IsValidCommands(commands)) // verify that the commands are in the valid format
{
output.AppendLine($"Warning: Invalid commands for Rover #{i / 2}. Sipping rover commands.");
continue;
}
foreach (var command in commands)
{
switch (command)
{
case 'L':
case 'l':
rover.RotateLeft();
break;
case 'R':
case 'r':
rover.RotateRight();
break;
case 'M':
case 'm':
if (IsInBounds(rover.GetNextPosition()))
{
rover.Position = rover.GetNextPosition();
}
else
{
output.AppendLine($"Warning: Cannot move Rover #{i / 2} out of bounds. Move command ignored.");
}
break;
}
}
// send updated position back to NASA
output.AppendLine(rover.ToString());
}
return(output.ToString());
}
/// <summary>
/// Loads the input orders from an external file
/// </summary>
/// <param name="inputOrdersFileName"></param>
/// <returns></returns>
public bool LoadOrdersFromFile(string inputOrdersFileName)
{
bool plateauSizeFound = false;
bool expectingRoverOrders = false;
string currentInputLine = string.Empty;
string[] currentInputLineParts = null;
Rover constructedRover = null;
int roverIndex = 0;
if (!File.Exists(inputOrdersFileName))
{
throw new Exceptions.MissingInputFileException(inputOrdersFileName);
}
this.m_Rovers = new RoverCollection();
StreamReader streamReader = new StreamReader(inputOrdersFileName);
if (streamReader.Peek() == -1)
{
throw new Exceptions.EmptyInputFileException(inputOrdersFileName);
}
while (streamReader.Peek() >= 0)
{
// Get the whole input line to parse
currentInputLine = streamReader.ReadLine();
//
// Try to match the input line against known line formats (Plateau size, Rover Location, Rover Orders)
//
if (Regex.IsMatch(currentInputLine, Constants.INPUT_ORDERS_REGEX_COMMENT))
{
// Ignore any comment lines in the input file
}
else if (Regex.IsMatch(currentInputLine, Constants.INPUT_ORDERS_REGEX_ROVER_START_LOCATION))
{
// Current input line is a start location for a rover.
constructedRover = new Rover();
// Set the starting location of the rover
constructedRover.StartLocation = new RoverLocation(currentInputLine);
constructedRover.Name = string.Format("Rover{0}", roverIndex);
// The next input line should be a set of orders for the rover
expectingRoverOrders = true;
}
else if (Regex.IsMatch(currentInputLine, Constants.INPUT_ORDERS_REGEX_ROVER_ORDERS))
{
if (!expectingRoverOrders)
{
throw new Exceptions.OrdersFileParsingException("The orders file does not seem to be in the correct format, after the plateau definition, there shoud be alternating locations and mission order lines.");
}
// Current input line is a set of orders for a rover.
constructedRover.MissionOrders = currentInputLine;
// Add the completed rover to the collection
this.m_Rovers.Add(roverIndex, constructedRover);
this.AddToEventLog(string.Format("Succesfully created Rover No.{0}, using the base location '{1}' and orders '{2}'", roverIndex, constructedRover.StartLocation, constructedRover.MissionOrders));
constructedRover = null;
roverIndex++;
// Don't expect the next line to be a set of orders, if there are more lines, the next one should be a location+direction for a new Rover.
expectingRoverOrders = false;
}
else if (Regex.IsMatch(currentInputLine, Constants.INPUT_ORDERS_REGEX_PLATEAU_SIZE))
{
// Check we've not already found a plateau size.
if (plateauSizeFound)
{
throw new Exceptions.OrdersFileParsingException("Apparently two lines determining the plateau size have been detected, you might want to check the input file.");
}
// Current input line is the Plateau size
currentInputLineParts = currentInputLine.Split(' ');
// TODO: Check the positioning of the x+y co-ords from the input file
this.plateauXDimension = int.Parse(currentInputLineParts[0]);
this.plateauYDimension = int.Parse(currentInputLineParts[1]);
this.AddToEventLog(string.Format("Succesfully loaded in the Plateau details X:{0} Y:{1}", this.plateauXDimension, this.plateauYDimension));
plateauSizeFound = true;
}
}
streamReader.Close();
streamReader = null;
return(this.m_Rovers.Count > 0);
}
public Landscape(Rover rover)
{
_rover = rover;
}
/// <summary>
/// Builds Inputs from the file using Stream reader.
/// </summary>
/// <param name="args"></param>
public static void readFromfile(string[] args)
{
StreamReader streamReader = null;
string line = " ";
int firstline = 0;
try
{
streamReader = new StreamReader(args[0]);
}
catch (FileNotFoundException e)
{
Console.WriteLine("File Not Found" + e.Message);
Environment.Exit(-1);
}
try
{
while ((line = streamReader.ReadLine()) != null)
{
if (firstline == 0)
{
string[] maxXY = line.Split(' ');
int maxX = Convert.ToInt32(maxXY[0]);
int maxY = Convert.ToInt32(maxXY[1]);
Plateau plateau = null;
if (maxX > 0 && maxY > 0)
{
plateau = new Plateau(maxX, maxY);
}
else
{
Console.WriteLine("Invalid Upper Right Co-ordinates");
Environment.Exit(-1);
}
}
else if ((firstline % 2) != 0)
{
Rover rover = buildRover(line);
roverQueue.Enqueue(rover);
}
else
{
string controllerInput = line;
Controller controller = null;
int count = 0;
foreach (char ch in controllerInput)
{
if (ch == 'L' || ch == 'R' || ch == 'M')
{
count++;
}
}
if (count == controllerInput.Length)
{
controller = new Controller(line);
controllerQueue.Enqueue(controller);
}
else
{
Console.WriteLine("Invalid Controller Input");
Environment.Exit(-1);
}
}
firstline++;
}
}
catch (IOException e)
{
Console.WriteLine("Error reading Input" + e.Message);
Environment.Exit(-1);
}
}
private static void TestMoveRover()
{
//test null case
MarsRover = new Rover(3, 3, "N");
MoveRover(null);
Debug.Assert(MarsRover.XAxis == 3);
Debug.Assert(MarsRover.YAxis == 3);
Debug.Assert(MarsRover.Direction.Equals("N"));
//test empty case
MarsRover = new Rover(3, 3, "N");
MoveRover("");
Debug.Assert(MarsRover.XAxis == 3);
Debug.Assert(MarsRover.YAxis == 3);
Debug.Assert(MarsRover.Direction.Equals("N"));
//test wrong format case
MarsRover = new Rover(3, 3, "N");
MoveRover("12345@!#$");
Debug.Assert(MarsRover.XAxis == 3);
Debug.Assert(MarsRover.YAxis == 3);
Debug.Assert(MarsRover.Direction.Equals("N"));
//test out of bound case
MarsRover = new Rover(3, 3, "N");
InitialPlateau(new List <string>()
{
"3 3"
});
MoveRover("LMMMMMLMMMMMLMMMMMLMMMMM");
Debug.Assert(MarsRover.XAxis == 3);
Debug.Assert(MarsRover.YAxis == 3);
Debug.Assert(MarsRover.Direction.Equals("N"));
//test normal case
MarsRover = new Rover(1, 2, "N");
InitialPlateau(new List <string>()
{
"5 5"
});
MoveRover("LMLMLMLMM");
Debug.Assert(MarsRover.XAxis == 1);
Debug.Assert(MarsRover.YAxis == 3);
Debug.Assert(MarsRover.Direction.Equals("N"));
//test normal case
MarsRover = new Rover(3, 3, "E");
InitialPlateau(new List <string>()
{
"5 5"
});
MoveRover("MMrMMrmRRM");
Debug.Assert(MarsRover.XAxis == 5);
Debug.Assert(MarsRover.YAxis == 1);
Debug.Assert(MarsRover.Direction.Equals("E"));
}
private static void DeployRover(Canvas canvas)
{
var rover = new Rover(canvas);
var roverDropSuccess = false;
do
{
Console.WriteLine();
Console.WriteLine("Enter Rover's drop off point.");
try
{
string dropPosition = Console.ReadLine();
rover.DropAt(dropPosition);
roverDropSuccess = true;
}
catch (MyCustomException ex)
{
Console.WriteLine();
Console.WriteLine(ex.Message);
Console.WriteLine("Please try again to drop your Rover.");
}
catch (Exception ex)
{
Console.WriteLine("!! Exception !!");
}
}while (!roverDropSuccess);
Console.WriteLine();
Console.WriteLine("Enter Rover's path to explore.");
var roverExploreSuccess = false;
do
{
try
{
string explorationPath = Console.ReadLine();
rover.Explore(explorationPath);
Console.WriteLine();
Console.WriteLine(string.Format("Rover Position - {0}", rover.Position.ToString()));
roverExploreSuccess = true;
}
catch (OutOfBoundException ex)
{
Console.WriteLine();
Console.WriteLine("Ooops !! Rover went too far from the Canvas. It is on the ledge");
Console.WriteLine(string.Format("Rover Position - {0}", rover.Position.ToString()));
roverExploreSuccess = true;
}
catch (MyCustomException ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("Rover couldn't explore. Try again.");
}
catch (Exception ex)
{
Console.WriteLine("!! Exception !!");
}
}while (!roverExploreSuccess);
}
public Rover(Rover rover) : this(rover.RoverPosition.X, rover.RoverPosition.Y, rover.RoverOrientation)
{
}
//Adds current rover coordinates and heading to RoverEndValues
public void UpdateRoverEndValues()
{
RoverEndValues += Rover.ToString();
RoverEndValues += "\n";
}
public Interpreter(Rover rover)
{
MarsRover = rover;
}
public RoverCommandCenter(Rover rover, int limit) : this(rover, new Planet(limit, new List <Position>()))
{
}
private static string[] InstructionsFromFile(string[] args, Rover marsRover, Interpreter interpreter)
{
string[] lines = File.ReadAllLines(args[0]);
return(interpreter.InterpretLines(lines));
}
//sir ka emthod to remove if else id to create a lsit of fucntions to be accessed after the condition checking.
//then add tryparse.
public InstructionProcessor(Rover rover)
{
this.Instructions = new List <Instruction>();
}
private static void ParseAndValidateInitialRoverData(List <string> initialRoverPosition, Rover rover)
{
if (initialRoverPosition.Count == 3)
{
//Parses and validates initial rover's X coordinate input
if (!int.TryParse(initialRoverPosition[0], out int xPosition))
{
throw new Exception(
$"Invalid initial X position for rover (Invalid data: {initialRoverPosition[0]}). Position value must be an integer.");
}
//Parses and validates initial rover's Y coordinate input
if (!int.TryParse(initialRoverPosition[1], out int yPosition))
{
throw new Exception(
$"Invalid initial Y position for rover (Invalid data: {initialRoverPosition[1]}). Position value must be an integer.");
}
//Parses and validates initial rover's direction input.
Directions direction;
if (!Regex.IsMatch(initialRoverPosition[2], @"^[a-zA-Z]+$"))
{
throw new Exception(
$"Invalid initial direction for rover (Invalid data: {initialRoverPosition[2]}). Valid direction values are (N,E,S,W)");
}
//Parses and validates initial rover's direction input is valid direction type.
if (!Enum.TryParse(initialRoverPosition[2], true, out direction))
{
throw new Exception(
$"Invalid initial direction for rover (Invalid data: {initialRoverPosition[2]}). Valid direction values are (N,E,S,W)");
}
rover.X = xPosition;
rover.Y = yPosition;
rover.Direction = direction;
}
else
{
throw new Exception(
$"Invalid initial directions for rover. Valid direction values must include X,Y coordinates and initial direction(N,E,S,W). Eg.(1 2 N)");
}
}
static void Main(string[] args)
{
List <Rover> roverList = new List <Rover>();
List <int> terrainMaxPoints = new List <int>();
//Gets the instructions from .txt file located under application base directory.
var commandlines = File.ReadAllLines(AppDomain.CurrentDomain.BaseDirectory + @"\\roverCommands.txt").Where(x => !string.IsNullOrWhiteSpace(x)).ToList();
if (commandlines.Count < 3)
{
throw new Exception(
$"Insufficient information provided. Information must include terrain max cooridnates. At least one rover's initial positions and movement information");
}
var terrainPointsInput = commandlines[0].Trim().Split(' ').ToList();
//Parses and validates the gathered information for terrain data.
ParseAndValidateTerrainData(terrainPointsInput, terrainMaxPoints);
for (int i = 1; i < commandlines.Count; i += 2)
{
Rover rover = new Rover();
var initialRoverPosition = commandlines[i].Trim().Split(' ').ToList();
//Parses and validates the gathered information for mars rover.
ParseAndValidateInitialRoverData(initialRoverPosition, rover);
//Checks if initial rover placement location is occupied by another rover.
CheckLocationAvailability(roverList, rover, terrainMaxPoints);
//Checks if any move information exists.
if (commandlines.Count == i + 1)
{
throw new Exception($"Rover#{roverList.Count + 1} movement terminated. Missing move information");
}
//Gets the rover's move command(s).
var moves = commandlines[i + 1].ToUpper().Trim().Replace(" ", "").ToCharArray();
try
{
//Starts rover's movement.
rover.StartMoving(terrainMaxPoints, moves, roverList);
roverList.Add(rover);
Console.WriteLine($"Rover#{roverList.Count} moved successfully to target location ({rover.X},{rover.Y} {rover.Direction.ToString()})");
}
catch (Exception e)
{
Console.WriteLine($"Rover#{roverList.Count + 1} movement terminated.");
throw e;
}
}
//Successful Output.
foreach (var rover in roverList)
{
Console.WriteLine($"{rover.X} {rover.Y} {rover.Direction.ToString()}");
}
Console.ReadLine();
}
