/// <summary>
/// Initializes the loader - must be called after object creation.
/// </summary>
public void InitializeLoader()
{
/* Creating the validator and reader instances here, which is shockingly bad.
* This is done to prevent automatic instantiation of them in the constructor
* in order to unit-test the loader. This gruesome hack is not necessary
* if a DI framework is used. */
MazeValidator = new MazeValidator();
MazeReader = new MazeReader();
}
/// <summary>
/// Loads the maze matrix from the maze blueprint contained in the text file.
/// </summary>
/// <param name="fileName">The text file containing the maze blueprint.</param>
/// <returns>A 2D integer array containing the matrix of the maze.</returns>
public int[,] LoadCoordinatesFromFile(string fileName)
{
MazeValidator.ValidateMazeFile(fileName);
var parts = MazeReader.ReadMaze(fileName);
int[,] Maze = new int[parts.Rows, parts.Columns];
for (int x = 0; x < parts.Rows; x++)
{
string[] LineParts = parts.Lines[x].Split(',');
for (int y = 0; y < LineParts.Length; y++)
{
int NodeStatus;
if (int.TryParse(LineParts[y], out NodeStatus))
{
Maze[x, y] = NodeStatus;
}
if (NodeStatus == Settings.MAZE_ENTRANCE_CODE)
{
Maze[x, y] = 0;
EntranceCoordinates = new Point(x, y);
}
if (NodeStatus == Settings.MAZE_EXIT_CODE)
{
Maze[x, y] = 0;
ExitCoordinates = new Point(x, y);
}
}
}
return(Maze);
}
