internal void RemovePiece(Piece piece, SquareE square)
{
byte color = (byte)piece.Color;
byte type = (byte)piece.Type;
BitBoard.RstSquare(ref Occupies[color], square);
BitBoard.RstSquare(ref Pieces[type], square);
--PieceCount[color, type];
}
private void ClearSquare(SquareE square)
{
//bool isPiece = false;
for (ColorE color = ColorE.White; color <= ColorE.Black; ++color)
{
Bitboard occupy = Occupies[(byte)color];
if (BitBoard.GetSquare(occupy, square))
{
for (PieceE type = PieceE.Pawn; type <= PieceE.King; ++type)
{
Bitboard piece = Pieces[(byte)type];
if (BitBoard.GetSquare(piece, square)) // occupy & piece
{
BitBoard.RstSquare(ref Occupies[(byte)color], square);
BitBoard.RstSquare(ref Pieces[(byte)type], square);
break;
//Debug.Assert(!isPiece, "Piece Overlaps");
//isPiece = true;
}
}
}
}
}