added method get_pseudo_bishop_moves_ignore_king in bitboard::attacks for king safety checks

engine/src/bitboard/attacks.rs

@@ -72,6 +72,21 @@ impl Board {
     return self.get_pseudo_bishop_moves(sq) | self.get_pseudo_rook_moves(sq);
   }
 
+  #[inline]
+  pub fn get_pseudo_bishop_moves_ignore_king(&self, sq: u32) -> u64 {
+    let mut  moves = 0u64;
+    let sq  = sq as usize;
+    let king = self.bitboards[5 + 6*self.side_to_move as usize];
+    let occupancy = self.occupancy[2] & !king;
+    moves |= get_raycast_from_square_in_direction(occupancy, sq, 1);
+    moves |= get_raycast_from_square_in_direction(occupancy, sq, 3);
+    moves |= get_raycast_from_square_in_direction(occupancy, sq, 5);
+    moves |= get_raycast_from_square_in_direction(occupancy, sq, 7);
+
+    return moves;
+  }
+
+
   #[inline]
   pub fn is_square_attacked(&self, king_sq: u32) -> bool {
     let offset: usize = 6 * self.side_to_move as usize;