- int generate_piece_blocking_evasions(const Position&, Bitboard, Bitboard, MoveStack*, int);
-
-
- /// Templates are defined here to avoid lookup issues with specializations
-
- template<PieceType Piece>
- int generate_piece_moves(const Position &pos, MoveStack *mlist,
- Color side, Bitboard target) {
- int n = 0;
- for (int i = 0; i < pos.piece_count(side, Piece); i++)
- {
- Square from = pos.piece_list(side, Piece, i);
- Bitboard b = pos.piece_attacks<Piece>(from) & target;
- while (b)
- {
- Square to = pop_1st_bit(&b);
- mlist[n++].move = make_move(from, to);
- }
- }
- return n;
- }
-
-
- template<PieceType Piece>
- int generate_piece_checks(const Position& pos, Bitboard target, Bitboard dc,
- Square ksq, MoveStack* mlist, int n) {
- // Discovered checks
- Bitboard b = target & dc;
- while (b)
- {
- Square from = pop_1st_bit(&b);
- Bitboard bb = pos.piece_attacks<Piece>(from) & pos.empty_squares();
- while (bb)
- {
- Square to = pop_1st_bit(&bb);
- mlist[n++].move = make_move(from, to);
- }
- }
- // Direct checks
- b = target & ~dc;
- Bitboard checkSqs = pos.piece_attacks<Piece>(ksq) & pos.empty_squares();
- while (b)
- {
- Square from = pop_1st_bit(&b);
- Bitboard bb = pos.piece_attacks<Piece>(from) & checkSqs;
- while (bb)
- {
- Square to = pop_1st_bit(&bb);
- mlist[n++].move = make_move(from, to);
- }
- }
- return n;
- }
-
-
- template<> // Special case the King
- int generate_piece_checks<KING>(const Position& pos, Bitboard, Bitboard dc,
- Square ksq, MoveStack* mlist, int n) {
- if (bit_is_set(dc, ksq))
- {
- Bitboard bb = pos.piece_attacks<KING>(ksq)
- & pos.empty_squares()
- & ~QueenPseudoAttacks[ksq];
- while (bb)
- {
- Square to = pop_1st_bit(&bb);
- mlist[n++].move = make_move(ksq, to);
- }
- }
- return n;
- }
-
-
- template<PieceType Piece>
- int generate_piece_blocking_evasions(const Position& pos, Bitboard b,
- Bitboard blockSquares, MoveStack* mlist, int n) {
- while (b)
- {
- Square from = pop_1st_bit(&b);
- Bitboard bb = pos.piece_attacks<Piece>(from) & blockSquares;
- while (bb)
- {
- Square to = pop_1st_bit(&bb);
- mlist[n++].move = make_move(from, to);
- }
- }
- return n;
- }