static void Main(string[] args)
{
PrintWelcomeMessage();
string p = GetFileNameFromUser();
MazeRunner mr = new MazeRunner();
mr.ReadInMazeFile(p);
PrintMaze(mr);
mr.FindGoal();
PrintMaze(mr);
string outP = GetOutputFileLocation();
mr.WriteOutMazeFile(outP);
}
public void SolveMaze(string imageIn, string imageOut)
{
try
{
var timer = System.Diagnostics.Stopwatch.StartNew(); // Start timing
string format = GetImageFormat(imageIn); // Get input image file format
List <string> formatList = new List <string> {
"jpg", "bmp", "png"
}; // Only 3 types of image files supported
if (!formatList.Contains(format)) // Throws exception if any other format
{
throw new FileNotFoundException("Invalid image file. Please use bmp, jpg or png files only.");
}
IMaze maze = new Maze(imageIn); // Initialize the maze with given input image file.
MazeRunner mazeRunner = new MazeRunner(); // Initialize the maze solver object. This one uses a BFS (Breadth First Search algorithm).
IEnumerable <MazeNode> wayOut = mazeRunner.Search(maze, imageOut); // Retrieve the solution path points if exist.
var mazeNodes = wayOut as MazeNode[] ?? wayOut.ToArray();
if (mazeNodes.Any())
{
mazeRunner.PrintSolutionPath(mazeNodes, imageIn, imageOut, GetImageFormat(imageOut)); // Print the solution path
timer.Stop();
var secs = timer.ElapsedMilliseconds;
Console.WriteLine("Time taken: {0} ms", secs.ToString()); // print time taken
}
else
{
timer.Stop();
Console.WriteLine("Maze cannot be solved!"); // No way out!
}
}
catch (Exception e)
{
Console.WriteLine("Error: {0}", e.Message);
}
}
private static void PrintMaze(MazeRunner mr)
{
Console.WriteLine(mr.ToString());
}
