developingconsoleapplicationgamefive.cs

private Result Move()
{
    // update current position values and compare with mines list & exit in here
    switch (_currentDirection)
    {
        case "N":
            _currentPosition.Item2--; break;
        case "S":
            _currentPosition.Item2++; break;
        case "E":
            _currentPosition.Item1++; break;
        case "W":
            _currentPosition.Item1--; break;
    }

    var result = CheckIfStillInGrid();
    if (result == Result.TurtleLost) result = CheckForMine();
    if (result == Result.TurtleLost) result = CheckForExit();
    return result;
}

private void RotateRight()
{
    _currentDirection = _currentDirection switch
    {
        "N" => "E",
        "S" => "W",
        "E" => "S",
        "W" => "N",
        _ => throw new System.NotImplementedException(),
    };
}

private void RotateLeft()
{
    _currentDirection = _currentDirection switch
    {
        "N" => "W",
        "S" => "E",
        "E" => "N",
        "W" => "S",
        _ => throw new System.NotImplementedException(),
    };
}

private Result CheckIfStillInGrid()
{
    if (_currentPosition.Item1 < 0 ||
        _currentPosition.Item2 < 0 ||
        _currentPosition.Item1 >= _gridSize.Item1 ||
        _currentPosition.Item2 >= _gridSize.Item2)
        return Result.TurtleOutside;

    return Result.TurtleLost;
}

private Result CheckForMine()
{
    foreach (var mine in _minePositions)
    {
        if (_currentPosition.Item1 == mine.Item1 && _currentPosition.Item2 == mine.Item2)
            return Result.TurtleMine;
    }

    return Result.TurtleLost;
}

private Result CheckForExit()
{
    if (_currentPosition.Item1 == _exitPosition.Item1 && _currentPosition.Item2 == _exitPosition.Item2)
        return Result.TurtleExit;

    return Result.TurtleLost;
}