/// <summary>
/// Gets the path of the last solution of the AStar algorithm.
/// Will return a partial path if the algorithm has not finished yet.
/// </summary>
/// <returns>Returns null if the algorithm has never been run.</returns>
public IEnumerable <(Direction, bool)> GetPath(Map map)
{
if (current != null)
{
var next = current;
var path = new List <(Direction, bool)>();
while (next.Parent != null)
{
var parent = next.Parent as GridNode;
var n = next as GridNode;
var d = HelperMethod.GetDirectionFromPointAtoPointB(parent.X, parent.Y, n.X, n.Y);
var mapCell = map.Tiles[map.GetCellIndex(n.X, n.Y)];
if (mapCell is Floor)
{
path.Add((d, false));
}
else
{
//path.Add((d, false));
var timeToDig = mapCell is Wall ? (mapCell as Wall).Heath : 1;
for (int i = 0; i < timeToDig; i++)
{
path.Add((d, true));
}
}
next = next.Parent;
}
path.Reverse();
return(path);
}
return(null);
}