public void AddPawnMove(int fromPosition, int targetPosition, MoveFlags move, List <Move> moves)
{
Piece takenPiece;
int row = BoardPosition.PositionRow(targetPosition);
if ((move & MoveFlags.ENPASSANT) == MoveFlags.ENPASSANT)
{
takenPiece = Piece.PAWN;
}
else
{
takenPiece = GetPiece(targetPosition);
}
// check if the pawn is going to move into a promotion row.
// we don't check the color because a pawn can never enter its own promotion area
if (row == 0 || row == 7)
{
moves.Add(MoveHelper.CreateMove(targetPosition, fromPosition, takenPiece, Piece.QUEEN, move, this));
moves.Add(MoveHelper.CreateMove(targetPosition, fromPosition, takenPiece, Piece.BISHOP, move, this));
moves.Add(MoveHelper.CreateMove(targetPosition, fromPosition, takenPiece, Piece.KNIGHT, move, this));
moves.Add(MoveHelper.CreateMove(targetPosition, fromPosition, takenPiece, Piece.ROOK, move, this));
}
else
{
moves.Add(MoveHelper.CreateMove(targetPosition, fromPosition, takenPiece, Piece.EMPTY, move, this));
}
}
public Move FindMove(int from, int to)
{
List <Move> moves = GetMovesForPosition(from);
Move targetPosition = moves.FindTargetPosition(to);
if (!MoveHelper.isValidMove(targetPosition))
{
throw new Exception("Move not found");
}
if (!IsLegalMove(targetPosition))
{
throw new Exception("Illegal move");
}
return(targetPosition);
}
public void AddMove(int fromPosition, int targetPosition, MoveFlags moveBits, List <Move> moves)
{
Piece takenPiece = GetPiece(targetPosition);
moves.Add(MoveHelper.CreateMove(targetPosition, fromPosition, takenPiece, Piece.EMPTY, moveBits, this));
}
