コード例 #1
0
 public static UInt64 GetKnightAttacksBitboard(UInt64 knightsBitboard, UInt64 friends)
 {
     UInt64 result = 0;
     while (knightsBitboard > 0)
     {
         var sq = knightsBitboard.GetLeadingSquare();
         knightsBitboard = knightsBitboard.Clear(sq);
         result |= GetKnightAttacksBitboard(sq);
     }
     return result & (~friends);
 }