private void InitializeMaze(
IList <string> mazeDefinition)
{
MazeCells = new Dictionary <GridPoint, DonutMazeCell>();
for (int y = 0; y < mazeDefinition.Count; y++)
{
var rowString = mazeDefinition[y];
for (int x = 0; x < rowString.Length; x++)
{
var point = new GridPoint(x, y);
var cellDefinition = rowString[x].ToString();
if (string.IsNullOrWhiteSpace(cellDefinition))
{
continue;
}
var mazeCellType = DonutMazeCellType.Empty;
var portalLetter = string.Empty;
if ("#".Equals(cellDefinition))
{
mazeCellType = DonutMazeCellType.Wall;
}
else if (Regex.IsMatch(cellDefinition, @"^[A-Z]$"))
{
mazeCellType = DonutMazeCellType.Portal;
portalLetter = cellDefinition;
}
var mazeCell = new DonutMazeCell(point, mazeCellType, portalLetter);
MazeCells.Add(point, mazeCell);
}
}
CalculateMazeBoundaries();
ConstructPortals();
}
public string GetCellString(GridPoint point)
{
if (!MazeCells.ContainsKey(point))
{
return(" ");
}
return(DonutMazeCell.GetCellString(MazeCells[point]));
}
public static string GetCellString(DonutMazeCell cell)
{
if (DonutMazeCellType.Empty.Equals(cell.Type))
{
return(".");
}
if (DonutMazeCellType.Wall.Equals(cell.Type))
{
return("#");
}
if (DonutMazeCellType.Portal.Equals(cell.Type))
{
return(cell.PortalLetter);
}
return(" ");
}