HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-19 16:46:30 +08:00
Code Issues Packages Projects Releases Wiki Activity

Refactor Position::pinned_pieces() to use templates

Browse Source 
Also better document this interesting function.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2008-10-23 12:59:20 +02:00
parent 2f8961beef
commit af59cb1d63
4 changed files with 49 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/evaluate.cpp
View File

@@ -778,7 +778,7 @@ namespace {
while (b)
{
Square from, to = pop_1st_bit(&b);
if (!(escapeSquares & ~queen_attacks_bb(to, occ & clear_mask_bb(s))))
if (!(escapeSquares & ~queen_attacks_bb(to, occ & ClearMaskBB[s])))
{
// We have a mate, unless the queen is pinned or there
// is an X-ray attack through the queen.
@@ -787,8 +787,8 @@ namespace {
from = p.piece_list(them, QUEEN, i);
if ( bit_is_set(p.piece_attacks<QUEEN>(from), to)
&& !bit_is_set(p.pinned_pieces(them), from)
&& !(rook_attacks_bb(to, occ & clear_mask_bb(from)) & p.rooks_and_queens(us))
&& !(rook_attacks_bb(to, occ & clear_mask_bb(from)) & p.rooks_and_queens(us)))
&& !(rook_attacks_bb(to, occ & ClearMaskBB[from]) & p.rooks_and_queens(us))
&& !(rook_attacks_bb(to, occ & ClearMaskBB[from]) & p.rooks_and_queens(us)))
ei.mateThreat[them] = make_move(from, to);
}