/// <summary>
/// Draws the maze after parsing for optical verification that it's done a good job.
/// </summary>
/// <param name="matrix">The maze object which contains the 2-dimensional array.</param>
private static void DrawMatrix(Maze matrix)
{
for (int y = 0; y < matrix.Dimensions.Y; y++)
{
for (int x = 0; x < matrix.Dimensions.X; x++)
{
if (matrix.MazeMatrix[x, y] == 0)
Console.Write(" .");
else
Console.Write(matrix.MazeMatrix[x, y].ToString().PadLeft(2,' '));
}
Console.WriteLine();
}
Console.WriteLine();
}
static void Main(string[] args)
{
// Loop round until the user hits the Enter key.
while (true)
{
// Get the name of the test maze file.
Console.WriteLine("To quit, press the Enter key.");
Console.Write("Enter the number of the maze file, e.g. 1 : ");
string fileId = Console.ReadLine();
if (fileId.Length == 0) break;
// Build the path to the text file containing the maze to check.
string filename =
Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestFiles", fileId + ".txt");
if (File.Exists(filename))
{
// Read the maze from the file.
string[] lines = File.ReadAllLines(filename);
try
{
// Parse the maze into a 2-dimensional array.
Maze maze = new Maze(lines);
// Show the parsed maze for optical verification.
DrawMatrix(maze);
// Calculate the largest obstacle in the maze.
int largestObstacle = maze.CalculateLargestObstacle();
Console.WriteLine(
string.Format("The largest obstacle occupies {0} squares.", largestObstacle));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
else
{
Console.WriteLine("File doesn't exist : " + filename);
}
Console.WriteLine();
Console.WriteLine();
}
}