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Retire generate_discovered_checks

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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2012-01-05 09:27:50 +01:00
parent 3c675db3d0
commit d655147e8c
1 changed files with 12 additions and 24 deletions
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36
src/movegen.cpp
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@ -252,21 +252,6 @@ namespace {
}
template<PieceType Pt>
inline MoveStack* generate_discovered_checks(const Position& pos, MoveStack* mlist, Square from) {
assert(Pt != QUEEN && Pt != PAWN);
Bitboard b = pos.attacks_from<Pt>(from) & pos.empty_squares();
if (Pt == KING)
b &= ~QueenPseudoAttacks[pos.king_square(flip(pos.side_to_move()))];
SERIALIZE_MOVES(b);
return mlist;
}
template<PieceType Pt>
inline MoveStack* generate_direct_checks(const Position& pos, MoveStack* mlist, Color us,
Bitboard dc, Square ksq) {
@ -408,6 +393,7 @@ MoveStack* generate<MV_NON_CAPTURE_CHECK>(const Position& pos, MoveStack* mlist)
Bitboard b, dc;
Square from;
PieceType pt;
Color us = pos.side_to_move();
Square ksq = pos.king_square(flip(us));
@ -419,15 +405,17 @@ MoveStack* generate<MV_NON_CAPTURE_CHECK>(const Position& pos, MoveStack* mlist)
while (b)
{
from = pop_1st_bit(&b);
switch (type_of(pos.piece_on(from)))
{
case PAWN: /* Will be generated togheter with pawns direct checks */ break;
case KNIGHT: mlist = generate_discovered_checks<KNIGHT>(pos, mlist, from); break;
case BISHOP: mlist = generate_discovered_checks<BISHOP>(pos, mlist, from); break;
case ROOK: mlist = generate_discovered_checks<ROOK>(pos, mlist, from); break;
case KING: mlist = generate_discovered_checks<KING>(pos, mlist, from); break;
default: assert(false); break;
}
pt = type_of(pos.piece_on(from));
if (pt == PAWN)
continue; // Will be generated togheter with direct checks
b = pos.attacks_from(Piece(pt), from) & pos.empty_squares();
if (pt == KING)
b &= ~QueenPseudoAttacks[ksq];
SERIALIZE_MOVES(b);
}
// Direct non-capture checks