public static List <Piece> Chess960Setup()
{
List <Piece> shufflePieces = new List <Piece>();
Random rand = new Random();
List <Piece> freePieces = new List <Piece> {
Piece.KING, Piece.QUEEN, Piece.ROOK, Piece.ROOK, Piece.BISHOP, Piece.BISHOP, Piece.KNIGHT, Piece.KNIGHT
};
int bSet = -1;
for (int i = 0; i < 8; i++)
{
var con = false;
while (!con)
{
var randomPiece = rand.Next(8 - i);
if (freePieces[randomPiece] == Piece.ROOK)
{
if (freePieces.IndexOf(Piece.ROOK) != freePieces.LastIndexOf(Piece.ROOK))
{
con = true;
}
else if (!freePieces.Contains(Piece.KING))
{
con = true;
}
}
else if (freePieces[randomPiece] == Piece.KING)
{
if (freePieces.IndexOf(Piece.ROOK) == freePieces.LastIndexOf(Piece.ROOK))
{
con = true;
}
}
else if (freePieces[randomPiece] == Piece.BISHOP)
{
if (bSet == -1)
{
con = true;
bSet = i;
}
else
{
if (bSet % 2 != i % 2)
{
con = true;
}
else if (i == 7)
{
shufflePieces.Insert(0, freePieces[randomPiece]);
}
}
}
else
{
con = true;
}
if (con)
{
shufflePieces.Add(freePieces[randomPiece]);
freePieces.RemoveAt(randomPiece);
}
}
}
return(shufflePieces);
}
