HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-21 01:27:16 +08:00
Code Issues Packages Projects Releases Wiki Activity

Assorted trivial cleanups (#1894)

Browse Source 
To address https://github.com/official-stockfish/Stockfish/issues/1862

No functional change.
This commit is contained in:
Marco Costalba
2019-01-01 14:10:26 +01:00
committed by GitHub
parent 79c97625a4
commit eb6d7f537d
10 changed files with 63 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/movegen.cpp
View File

@@ -28,6 +28,7 @@ namespace {
template<Color Us, CastlingSide Cs, bool Checks, bool Chess960>
ExtMove* generate_castling(const Position& pos, ExtMove* moveList) {
constexpr Color Them = (Us == WHITE ? BLACK : WHITE);
constexpr CastlingRight Cr = Us | Cs;
constexpr bool KingSide = (Cs == KING_SIDE);
@@ -39,7 +40,7 @@ namespace {
Square kfrom = pos.square<KING>(Us);
Square rfrom = pos.castling_rook_square(Cr);
Square kto = relative_square(Us, KingSide ? SQ_G1 : SQ_C1);
Bitboard enemies = pos.pieces(~Us);
Bitboard enemies = pos.pieces(Them);
assert(!pos.checkers());
@@ -53,7 +54,7 @@ namespace {
// Because we generate only legal castling moves we need to verify that
// when moving the castling rook we do not discover some hidden checker.
// For instance an enemy queen in SQ_A1 when castling rook is in SQ_B1.
if (Chess960 && (attacks_bb<ROOK>(kto, pos.pieces() ^ rfrom) & pos.pieces(~Us, ROOK, QUEEN)))
if (Chess960 && (attacks_bb<ROOK>(kto, pos.pieces() ^ rfrom) & pos.pieces(Them, ROOK, QUEEN)))
return moveList;
Move m = make<CASTLING>(kfrom, rfrom);
@@ -93,8 +94,7 @@ namespace {
template<Color Us, GenType Type>
ExtMove* generate_pawn_moves(const Position& pos, ExtMove* moveList, Bitboard target) {
// Compute our parametrized parameters at compile time, named according to
// the point of view of white side.
// Compute some compile time parameters relative to the white side
constexpr Color Them = (Us == WHITE ? BLACK : WHITE);
constexpr Bitboard TRank7BB = (Us == WHITE ? Rank7BB : Rank2BB);
constexpr Bitboard TRank3BB = (Us == WHITE ? Rank3BB : Rank6BB);