private ObservableCollection <Move> GetAllLegalBlackPawnMoves(Piece piece)
{
ObservableCollection <Move> moves = new ObservableCollection <Move>();
char file = piece.Square.File;
int rank = piece.Square.Rank;
if (piece.Square.Rank == 7)
{
if (rank - 2 >= 1 && This.Board[file][rank - 1].Piece == null && This.Board[file][rank - 2].Piece == null)
{
moves.Add(new Move(file, rank, file, rank - 2));
}
}
if (rank - 1 >= 1 && This.Board[file][rank - 1].Piece == null)
{
moves.Add(new Move(file, rank, file, rank - 1));
}
if (rank >= 2)
{
if (file != 'H' && This.Board[file.Add(1)][rank - 1].HasWhitePiece())
{
moves.Add(new Move(file, rank, file.Add(1), rank - 1));
}
if (file != 'A' && This.Board[file.Add(-1)][rank - 1].HasWhitePiece())
{
moves.Add(new Move(file, rank, file.Add(-1), rank - 1));
}
}
return(moves);
}
public string PigIt(string str)
{
var list = str.Split(" ").ToList();
var newlist = new List <string>();
foreach (var item in list)
{
var x = item.ToCharArray();
var firstLetter = x[0];
var newItem = new char[0].ToList();
for (int i = 1; i < x.Length; i++)
{
newItem.Add(x[i]);
}
newItem.Add(firstLetter);
newItem.Add('a');
newItem.Add('y');
newlist.Add(string.Join("", newItem));
}
return(string.Join(" ", newlist));
}
public int Add(string numbers)
{
if (string.IsNullOrWhiteSpace(numbers))
{
return(0);
}
var delimiter = new char[] { ',', '\n' }.ToList();
if (numbers.StartsWith("//"))
{
delimiter.Add(numbers[2]);
numbers = numbers.Substring(4);
}
var stringOfNumbers = numbers.Split(delimiter.ToArray());
var negativeNumbers = stringOfNumbers.Where(number => int.Parse(number) < 0);
HandleNegativeNumbers(negativeNumbers);
return(stringOfNumbers.Sum(number => int.Parse(number)));
}