- // Pieces moves
- mlist = generate_piece_checks<PAWN>(pos, mlist, us, dc, ksq);
- mlist = generate_piece_checks<KNIGHT>(pos, mlist, us, dc, ksq);
- mlist = generate_piece_checks<BISHOP>(pos, mlist, us, dc, ksq);
- mlist = generate_piece_checks<ROOK>(pos, mlist, us, dc, ksq);
- mlist = generate_piece_checks<QUEEN>(pos, mlist, us, dc, ksq);
- mlist = generate_piece_checks<KING>(pos, mlist, us, dc, ksq);
+ // Discovered non-capture checks
+ Bitboard b = dc;
+ while (b)
+ {
+ Square from = pop_1st_bit(&b);
+ switch (pos.type_of_piece_on(from))
+ {
+ case PAWN: /* Will be generated togheter with pawns direct checks */ break;
+ case KNIGHT: mlist = generate_discovered_checks<KNIGHT>(pos, from, mlist); break;
+ case BISHOP: mlist = generate_discovered_checks<BISHOP>(pos, from, mlist); break;
+ case ROOK: mlist = generate_discovered_checks<ROOK>(pos, from, mlist); break;
+ case KING: mlist = generate_discovered_checks<KING>(pos, from, mlist); break;
+ default: assert(false); break;
+ }
+ }
+
+ // Direct non-capture checks
+ mlist = generate_direct_checks<PAWN>(pos, mlist, us, dc, ksq);
+ mlist = generate_direct_checks<KNIGHT>(pos, mlist, us, dc, ksq);
+ mlist = generate_direct_checks<BISHOP>(pos, mlist, us, dc, ksq);
+ mlist = generate_direct_checks<ROOK>(pos, mlist, us, dc, ksq);
+ mlist = generate_direct_checks<QUEEN>(pos, mlist, us, dc, ksq);