// Returns all the legal moves for the given cell
public ArrayList GetLegalMoves(Cell source)
{
ArrayList LegalMoves;
LegalMoves = GetPossibleMoves(source); // Get the legal moves
ArrayList ToRemove = new ArrayList(); // contains a list of all the moves to remove
// Now check and mark all the moves which moves user under check
foreach (Cell target in LegalMoves)
{
// if the move place or leave the user under check
if (CauseCheck(new Move(source, target)))
{
ToRemove.Add(target);
}
}
// When checking the moves for the king, don't allow tower/caslting, if
// the king is under check
if (source.piece.Type == Piece.PieceType.King && IsUnderCheck(source.piece.Side.type))
{
foreach (Cell target in LegalMoves)
{
//if the move place or leave the user under check
if (Math.Abs(target.col - source.col) > 1)
{
ToRemove.Add(target);
}
}
}
// remove all the illegal moves
foreach (Cell cell in ToRemove)
{
LegalMoves.Remove(cell); // remove the illegal move
}
return(LegalMoves);
}
// Returns all the legal moves for the given cell
public ArrayList GetLegalMoves(Cell source)
{
ArrayList LegalMoves;
LegalMoves = GetPossibleMoves(source); // Get the legal moves
ArrayList ToRemove = new ArrayList(); // contains a list of all the moves to remove
// Now check and mark all the moves which moves user under check
foreach (Cell target in LegalMoves)
{
// if the move place or leave the user under check
if (CauseCheck(new Move(source, target)))
{
ToRemove.Add(target);
}
}
// remove all the illegal moves
foreach (Cell cell in ToRemove)
{
LegalMoves.Remove(cell); // remove the illegal move
}
return(LegalMoves);
}
