private bool ValidateMove(Directions.TurtleDirections direction, int spaces)
{
if (direction == Directions.TurtleDirections.North && (PositionX - spaces) < 0)
{
Messages.InvalidMove(direction, PositionX);
return(false);
}
if (direction == Directions.TurtleDirections.East && (PositionY + spaces) > GameBoard.GAME_BOARD_SIZE - 1)
{
Messages.InvalidMove(direction, GameBoard.GAME_BOARD_SIZE - PositionY - 1);
return(false);
}
if (direction == Directions.TurtleDirections.South && (PositionX + spaces) > GameBoard.GAME_BOARD_SIZE - 1)
{
Messages.InvalidMove(direction, GameBoard.GAME_BOARD_SIZE - PositionX - 1);
return(false);
}
if (direction == Directions.TurtleDirections.West && (PositionY - spaces) < 0)
{
Messages.InvalidMove(direction, PositionY);
return(false);
}
return(true);
}
private bool ValidateMove(Directions.TurtleDirections direction, int spaces)
{
if (direction == Directions.TurtleDirections.NORTH && (PositionX - spaces) < 0)
{
Messages.InvalidInput();
return(false);
}
else if (direction == Directions.TurtleDirections.EAST && (PositionY + spaces) > TurtleMovementArea.AreaSize)
{
Messages.InvalidInput();
return(false);
}
else if (direction == Directions.TurtleDirections.SOUTH && (PositionX + spaces) > TurtleMovementArea.AreaSize)
{
Messages.InvalidInput();
return(false);
}
else if (direction == Directions.TurtleDirections.WEST && (PositionY - spaces) < 0)
{
Messages.InvalidInput();
return(false);
}
return(true);
}
public Game()
{
_turtle = new Turtle();
_gameBoard = new GameBoard();
_quit = false;
_pen = Pen.PenActions.Up;
_direction = Directions.TurtleDirections.South;
}
internal void GameLoop()
{
_gameBoard.InitiateGameBoard();
do
{
Console.Clear();
Console.WriteLine(Messages.ErrorMessage);
Messages.ErrorMessage = string.Empty;
_gameBoard.DrawGameBoard(_turtle.PositionX, _turtle.PositionY, _turtle.TurtleSymbol);
Messages.Instructions();
Console.WriteLine("Pen is " + (_pen == Pen.PenActions.Down ? "drawing" : "not drawing") + ".");
Console.WriteLine($"Turtle is moving {_direction}.");
Console.Write("Select your option: ");
if (int.TryParse(Console.ReadLine(), out _option))
{
if (_option > 0 && _option < 3)
{
_pen = (Pen.PenActions)_option;
}
else if (_option > 2 && _option < 7)
{
_direction = (Directions.TurtleDirections)_option;
Console.WriteLine($"Turtle is moving {_direction}.");
Console.Write("Enter number of spaces to move: ");
int spaces;
if (int.TryParse(Console.ReadLine(), out spaces))
{
_turtle.Walk(_direction, spaces, _pen);
}
else
{
Messages.InvalidInput();
}
}
else if (_option == 7)
{
_quit = true;
}
else
{
Messages.InvalidInput();
}
}
else
{
Messages.InvalidInput();
}
} while (!_quit);
}
public void GameLoop()
{
_gameBoard.InitGameBoard();
do
{
Console.Clear(); //prepare screen for next display
Console.WriteLine(Messages.ErrorMessage); //display any erro message (or blank if no error message)
Messages.ErrorMessage = ""; //reset error message for next input
_gameBoard.DrawGameBoard(_turtle.PositionX, _turtle.PositionY, _turtle.TurtleSymbol);
Messages.Instructions(); //display game instructions
Console.WriteLine("Pen is " + (_pen == Pen.PenActions.Down ? "DRAWING" : "NOT DRAWING"));
Console.WriteLine($"Turtle is moving {_direction}"); //display what direction was selected
Console.WriteLine("Select your option: ");
if (int.TryParse(Console.ReadLine(), out _option)) //make sure input is an integer
{
if (_option > 0 && _option < 3)
{
_pen = (Pen.PenActions)_option;
}
else if (_option > 2 && _option < 7)
{
_direction = (Directions.TurtleDirections)_option;
Console.WriteLine($"Turtle is moving {_direction}"); //display what direction was selected
Console.WriteLine("Enter number of spaces to move: ");
int spaces;
if (int.TryParse(Console.ReadLine(), out spaces))
{
_turtle.Walk(_direction, spaces, _pen);
}
else
{
Messages.InvalidInput();
}
}
else if (_option == 7)
{
_quit = true;
}
else
{
Messages.InvalidInput();
}
}
else
{
Messages.InvalidInput();
}
} while (!_quit);
}
public void GameLoop()
{
_gameBoard.InitGameBoard();
do
{
Console.Clear();
Console.WriteLine(Messages.ErrorMessage);
Messages.ErrorMessage = "";
_gameBoard.DrawGameBoard(_turle.PositionX, _turle.PositionY, _turle.TurtleSymbol);
Messages.Instructions();
Console.WriteLine(_pen);
Console.WriteLine("Select your option: ");
if (int.TryParse(Console.ReadLine(), out _option))
{
if (_option > 0 && _option < 3)
{
_pen.PenAction = (Pen.PenActions)_option;
}
else if (_option > 2 && _option < 7)
{
Directions.TurtleDirections direction = (Directions.TurtleDirections)_option;
Console.WriteLine($"Turtle is moving {direction}");
Console.WriteLine("Enter number of spaces to move: ");
int spaces;
if (int.TryParse(Console.ReadLine(), out spaces))
{
_turle.Walk(direction, spaces, _pen.PenAction);
}
else
{
Messages.InvalidInput();
}
}
else if (_option == 7)
{
_quit = true;
}
else
{
Messages.InvalidInput();
}
}
else
{
Messages.InvalidInput();
}
} while (!_quit);
}
//walk is calculated based on selected direction, number of spaces, and pen action (up = no draw, down = to draw)
public void WalkX(Directions.TurtleDirections direction, int step)
{
if (ValidateMove(direction, step))
{
switch (direction)
{
case Directions.TurtleDirections.NORTH:
PositionX -= step;
break;
case Directions.TurtleDirections.SOUTH:
TurtleMovementArea.UpdateMovementAreaX(PositionX, step, +1, PositionY);
PositionX += step;
break;
}
}
}
public void WalkY(Directions.TurtleDirections direction, int step)
{
if (ValidateMove(direction, step))
{
switch (direction)
{
case Directions.TurtleDirections.EAST:
TurtleMovementArea.UpdateMovementAreaY(PositionY, step, +1, PositionX);
PositionY += step;
break;
case Directions.TurtleDirections.WEST:
TurtleMovementArea.UpdateMovementAreaY(PositionY, step, -1, PositionX);
PositionY -= step;
break;
}
}
}
internal void Walk(Directions.TurtleDirections direction, int spaces, Pen.PenActions pen)
{
if (ValidateMove(direction, spaces))
{
bool toDraw = (pen == Pen.PenActions.Down);
switch (direction)
{
case Directions.TurtleDirections.North:
if (toDraw)
{
GameBoard.UpdateGameBoardX(PositionX, spaces, -1, PositionY);
}
PositionX -= spaces;
break;
case Directions.TurtleDirections.South:
if (toDraw)
{
GameBoard.UpdateGameBoardX(PositionX, spaces, 1, PositionY);
}
PositionX += spaces;
break;
case Directions.TurtleDirections.East:
if (toDraw)
{
GameBoard.UpdateGameBoardY(PositionY, spaces, 1, PositionX);
}
PositionY += spaces;
break;
case Directions.TurtleDirections.West:
if (toDraw)
{
GameBoard.UpdateGameBoardY(PositionY, spaces, -1, PositionX);
}
PositionY -= spaces;
break;
}
}
}
public static void InvalidMove(Directions.TurtleDirections direction, int spaces)
{
ErrorMessage = $"\nINVALID MOVE. You can only move {spaces} spaces to the {direction}\n";
}
internal static void InvalidMove(Directions.TurtleDirections direction, int spaces)
{
ErrorMessage = $"\nInvalid move. You can only move {spaces} spaces to the {direction}.";
}
