private bool CastlingBlocked(King king, Square toSquare)
{
var dir = 1;
if (king.Square.File > toSquare.File)
dir = -1;
var sqr = king.Square;
var file = 0;
var list = new List<Square>(10);
if (dir == -1)
{
var s = king.GetSquare(0, -3, this);
if (s.Piece != null)
return true;
list.Add(s);
}
while (sqr != toSquare)
{
file += dir;
sqr = king.GetSquare(0, file, this);
if (sqr.Piece != null)
return true;
list.Add(sqr);
}
foreach (var activePiece in OtherPlayer.Pieces)
foreach (var square in list)
if (activePiece.Attacks(square, Board))
return true;
return false;
}
private bool CastlingBlocked(King king, Square toSquare)
{
var dir = 1;
if (king.Square.File > toSquare.File)
{
dir = -1;
}
var sqr = king.Square;
var file = 0;
var list = new List <Square>(10);
if (dir == -1)
{
var s = king.GetSquare(0, -3, this); //The b-file square.
if (s.Piece != null)
{
return(true);
}
list.Add(s);
}
//Checks the two squares closest to king. As in king side castling.
while (sqr != toSquare)
{
file += dir;
sqr = king.GetSquare(0, file, this);
if (sqr.Piece != null)
{
return(true);
}
list.Add(sqr);
}
foreach (var activePiece in OtherPlayer.Pieces)
{
foreach (var square in list)
{
if (activePiece.Attacks(square, Board))
{
return(true);
}
}
}
return(false);
}
