/*
* Returns true if a move is valid for a given position
*/
public static Boolean isMoveValid(Move move, Position position)
{
if (move == null)
{
return false;
}
ArrayList moves = new MoveGenerator().legalMoves(position);
foreach (Move listMove in moves)
{
//Move is only valid if it appears in legal moves list
if (move.Equals(listMove))
{
return true;
}
}
return false;
}
/*
* Converts a move object into a UCI move string (long algebraic
* notation), a move list can be supplied to search through.
*/
public static String moveObjectToString(Move move, Position position, ArrayList moves)
{
if ((move == null) || move.Equals(new Move(0, 0, 0)))
{
return "--";
}
StringBuilder moveString = new StringBuilder();
int whiteKingOrigin = Position.getSquare(4, 0);
int blackKingOrigin = Position.getSquare(4, 7);
if ((move.origin == whiteKingOrigin) && (position.getPiece(whiteKingOrigin) == PieceType.K))
{
//Check white castle
if (move.destination == Position.getSquare(6, 0))
{
moveString.Append("O-O");
}
else if (move.destination == Position.getSquare(2, 0))
{
moveString.Append("O-O-O");
}
}
else if ((move.origin == blackKingOrigin) && (position.getPiece(blackKingOrigin) == PieceType.k))
{
//Check black castle
if (move.destination == Position.getSquare(6, 7))
{
moveString.Append("O-O");
}
else if (move.destination == Position.getSquare(2, 7))
{
moveString.Append("O-O-O");
}
}
if (moveString.Length == 0)
{
PieceType piece = position.getPiece(move.origin);
moveString.Append("" + piece);
int originFile = Position.getRank(move.origin);
int originRank = Position.getFile(move.origin);
int destinationFile = Position.getRank(move.destination);
int destinationRank = Position.getFile(move.destination);
//Long Algebraic Notation-----
moveString.Append((char)(originFile + 'a'));
moveString.Append((char)(originRank + '1'));
moveString.Append(isMoveCapture(move, position) ? 'x' : '-');
//----------------------------
moveString.Append((char)(destinationFile + 'a'));
moveString.Append((char)(destinationRank + '1'));
if (move.promoteTo != PieceType.Empty)
{
moveString.Append("" + piece);
}
}
UnMakeInfo unMake = new UnMakeInfo();
position.makeMove(move, unMake);
Boolean inCheck = MoveGenerator.inCheck(position);
if (inCheck)
{
ArrayList nextMoves = MoveGenerator.mgInstance.legalMoves(position);
if (nextMoves.Count == 0)
{
moveString.Append('#');
}
else
{
moveString.Append('+');
}
}
position.unMakeMove(move, unMake);
return moveString.ToString();
}
