public static string toAlgebraicNotation(string s)
{
string an = null;
int c1, r1, c2, r2;
char piece;
if (Notations.parse(s, out c1, out r1, out c2, out r2) &&
(piece = Board.pieces[c1, r1]) != '\0')
{
an = piece.ToString();
PieceType type = Board.GetType(piece);
PieceColor color = Board.GetColor(piece);
if (Board.GetColor(piece) == PieceColor.WHITE)
{
an = an.ToLower();
}
char dest = Board.pieces[c2, r2];
if (dest != '\0' && Board.GetColor(dest) != color && Board.GetType(dest) != PieceType.KING)
{
an += "x";
}/*
* if (type != PieceType.PAWN && type > PieceType.QUEEN)
* {
* int i = Board.GetPos(piece, c1 * 8 + r1);
* if (i != -1)
* {
* int pc = i / 8;
* int pr = i % 8;
* int p2 = Board.pieces[pc, pr];
* int capture = -1;
* if (Board.ValidMove(type, pc, pr, c2, r2, out capture))
* {
* if (c1 == pc)
* an += Math.Abs(r1 - 8);
* else
* an += (char)(c1 + 97);
* }
* }
* }*/
an += string.Format("{0}{1}", (char)(c2 + 97), Math.Abs(r2 - 8));
if (dest != '\0' && Board.GetType(dest) == PieceType.KING)
{
an += "++";
}
}
return(an);
}
public void MoveFromHistory(ArrayList history, int n)
{
InitBoard();
for (int i = 0; i < n; i++)
{
HMove move = (HMove)history[i];
if (move.Nn == string.Empty)
{
move.Nn = Notations.fromAlgebraicNotation(move.An);
}
int c, r, c2, r2;
Notations.parse(move.Nn, out c, out r, out c2, out r2);
Piece p = (Piece)Board._pieces[c + "x" + r];
p.Move(c2, r2);
Board.whites = !Board.whites;
}
}
