public Util.Direction StartingOrientationToDirection(int x, int y, Util.Orientation orientation)
{
if (orientation == Orientation.Horizontal)
{
if (x == 0)
{
return(Direction.Right);
}
if (x == width - 1)
{
return(Direction.Left);
}
}
else if (orientation == Orientation.Vertical)
{
if (y == 0)
{
return(Direction.Up);
}
if (y == height - 1)
{
return(Direction.Down);
}
}
throw new Exception("Invalid Starting Parameters");
}
public static MirrorMaze Parse(string fileName)
{
List <string> mirrors = new List <string>();
int startingX = 0;
int startingY = 0;
StreamReader reader = File.OpenText(fileName);
var size = reader.ReadLine().Replace("\r", "");
Console.WriteLine(size);
int width = int.Parse(size.Split(',')[0]);
int height = int.Parse(size.Split(',')[1]);
if (!reader.ReadLine().Equals("-1"))
{
Console.WriteLine("Error: invalid input format");
throw new Exception("Error: invalid input format");
}
var mirror = reader.ReadLine();
int n = 0;
while (!mirror.Equals("-1"))
{
mirrors.Add(mirror);
mirror = reader.ReadLine();
n++;
if (n > startingX * startingY)
{
Console.WriteLine("Error: invalid input format");
throw new Exception("Error: invalid input format");
}
}
var startingPos = reader.ReadLine();
Console.WriteLine(startingPos);
startingX = int.Parse(startingPos.Split(',')[0]);
startingY = int.Parse(startingPos.Split(',')[1].Substring(0, startingPos.Split(',')[1].Length - 1));
Util.Orientation startingOrientation = startingPos.Split(',')[1].EndsWith("H") ?
Util.Orientation.Horizontal : Util.Orientation.Vertical;
return(new MirrorMaze(height, width, startingX, startingY, startingOrientation, mirrors.ToArray()));
}
