public HashSet <Move> GetAvailableMoves()
{
canAttack = false;
var pieces = GetPieces();
var allMoves = new HashSet <Move>();
if (activePiece != null)
{
return(activePiece.GetAvailableAttacks(board));
}
foreach (var piece in pieces)
{
allMoves.UnionWith(piece.GetMovesOrAttacks(board));
}
if (this.canAttack)
{
allMoves.RemoveWhere((a) => a.attackedPiece == null);
}
return(allMoves);
}
