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Templetize generate_piece_checks_king()

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-02-10 11:03:45 +01:00
parent 4573d618e4
commit 33ddeec5e0
1 changed files with 9 additions and 16 deletions
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25
src/movegen.cpp
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@ -107,7 +107,6 @@ namespace {
template<PieceType> template<PieceType>
MoveStack* generate_piece_checks(const Position&, Bitboard, Bitboard, Square, MoveStack*); MoveStack* generate_piece_checks(const Position&, Bitboard, Bitboard, Square, MoveStack*);
MoveStack* generate_piece_checks_king(const Position&, Square, Bitboard, Square, MoveStack*);
template<PieceType> template<PieceType>
MoveStack* generate_piece_blocking_evasions(const Position&, Bitboard, Bitboard, MoveStack*); MoveStack* generate_piece_blocking_evasions(const Position&, Bitboard, Bitboard, MoveStack*);
@ -214,7 +213,7 @@ int generate_checks(const Position& pos, MoveStack* mlist, Bitboard dc) {
mlist = generate_piece_checks<QUEEN>(pos, b, dc, ksq, mlist); mlist = generate_piece_checks<QUEEN>(pos, b, dc, ksq, mlist);
// Hopefully we always have a king ;-) // Hopefully we always have a king ;-)
mlist = generate_piece_checks_king(pos, pos.king_square(us), dc, ksq, mlist); mlist = generate_piece_checks<KING>(pos, pos.kings(us), dc, ksq, mlist);
// Castling moves that give check. Very rare but nice to have! // Castling moves that give check. Very rare but nice to have!
if ( pos.can_castle_queenside(us) if ( pos.can_castle_queenside(us)
@ -784,7 +783,7 @@ namespace {
template<Color Us, Color Them, Bitboard TRank8BB, Bitboard TRank3BB, SquareDelta TDELTA_N> template<Color Us, Color Them, Bitboard TRank8BB, Bitboard TRank3BB, SquareDelta TDELTA_N>
MoveStack* do_generate_pawn_checks(const Position& pos, Bitboard dc, Square ksq, MoveStack* mlist) MoveStack* do_generate_pawn_checks(const Position& pos, Bitboard dc, Square ksq, MoveStack* mlist)
{ {
// Pawn moves which give discovered check. This is possible only if the // Pawn moves which gives discovered check. This is possible only if the
// pawn is not on the same file as the enemy king, because we don't // pawn is not on the same file as the enemy king, because we don't
// generate captures. // generate captures.
Bitboard empty = pos.empty_squares(); Bitboard empty = pos.empty_squares();
@ -843,8 +842,15 @@ namespace {
{ {
Square from = pop_1st_bit(&b); Square from = pop_1st_bit(&b);
Bitboard bb = pos.piece_attacks<Piece>(from) & pos.empty_squares(); Bitboard bb = pos.piece_attacks<Piece>(from) & pos.empty_squares();
if (Piece == KING)
bb &= ~QueenPseudoAttacks[ksq];
SERIALIZE_MOVES(bb); SERIALIZE_MOVES(bb);
} }
if (Piece == KING)
return mlist;
// Direct checks // Direct checks
b = target & ~dc; b = target & ~dc;
Bitboard checkSqs = pos.piece_attacks<Piece>(ksq) & pos.empty_squares(); Bitboard checkSqs = pos.piece_attacks<Piece>(ksq) & pos.empty_squares();
@ -857,19 +863,6 @@ namespace {
return mlist; return mlist;
} }
MoveStack* generate_piece_checks_king(const Position& pos, Square from, Bitboard dc,
Square ksq, MoveStack* mlist) {
if (bit_is_set(dc, from))
{
Bitboard b = pos.piece_attacks<KING>(from)
& pos.empty_squares()
& ~QueenPseudoAttacks[ksq];
SERIALIZE_MOVES(b);
}
return mlist;
}
template<Color Us, Rank TRANK_8, Bitboard TRank3BB, SquareDelta TDELTA_N> template<Color Us, Rank TRANK_8, Bitboard TRank3BB, SquareDelta TDELTA_N>
MoveStack* do_generate_pawn_blocking_evasions(const Position& pos, Bitboard not_pinned, MoveStack* do_generate_pawn_blocking_evasions(const Position& pos, Bitboard not_pinned,
Bitboard blockSquares, MoveStack* mlist) { Bitboard blockSquares, MoveStack* mlist) {