private static Direction GetNextDirection(Direction currentDirection, Point currentPoint, string[] lines)
{
foreach (Direction direction in Enum.GetValues(typeof(Direction)))
{
if (direction == DirectionHelpers.GetOppositeDirection(currentDirection))
{
continue;
}
var upPoint = DirectionHelpers.GetNextPoint(direction, currentPoint);
var upLetter = DirectionHelpers.GetLetter(lines, upPoint);
if (upLetter != ' ')
{
return(direction);
}
}
throw new Exception("wheeeere");
}
public static void Main(string[] args)
{
int steps = 1;
string letterString = "";
var lines = File.ReadAllLines("input.txt");
Direction currentDirection = Direction.Down;
var indexOf = lines[0].IndexOf('|');
var currentPoint = new Point(indexOf, 0);
while (true)
{
currentPoint = DirectionHelpers.GetNextPoint(currentDirection, currentPoint);
var letter = DirectionHelpers.GetLetter(lines, currentPoint);
if (letter == ' ')
{
break;
}
if (letter != '+' && letter != '-' && letter != '|')
{
letterString += letter;
}
if (letter == '+')
{
currentDirection = GetNextDirection(currentDirection, currentPoint, lines);
}
steps++;
}
Console.WriteLine(letterString);
Console.WriteLine(steps);
}
