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Rename Position::hidden_checkers to check_blockers 

No functional change.
pull/358/head
Henri Wiechers 2014-01-11 11:58:09 +02:00 committed by Marco Costalba
parent 262c380c4b
commit db05b1f9f5
2 changed files with 10 additions and 7 deletions
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11
src/position.cpp
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@ -411,11 +411,14 @@ const string Position::pretty(Move move) const {
}
/// Position:hidden_checkers() returns a bitboard of all pinned / discovered check
/// pieces, according to the call parameters. Pinned pieces protect our king and
/// discovered check pieces attack the enemy king.
/// Position::check_blockers() returns a bitboard of all the pieces with color
/// 'c' that are blocking check on the king with color 'kingColor'. A piece
/// blocks a check if removing that piece from the board would result in a
/// position where the king is in check. A check blocking piece can be either a
/// pinned or a discovered check piece, according if its color 'c' is the same
/// or the opposite of 'kingColor'.
Bitboard Position::hidden_checkers(Color c, Color kingColor) const {
Bitboard Position::check_blockers(Color c, Color kingColor) const {
Bitboard b, pinners, result = 0;
Square ksq = king_square(kingColor);

6
src/position.h
View File

@ -174,7 +174,7 @@ private:
// Helper functions
void do_castling(Square kfrom, Square kto, Square rfrom, Square rto);
Bitboard hidden_checkers(Color c, Color kingColor) const;
Bitboard check_blockers(Color c, Color kingColor) const;
void put_piece(Square s, Color c, PieceType pt);
void remove_piece(Square s, Color c, PieceType pt);
void move_piece(Square from, Square to, Color c, PieceType pt);
@ -315,11 +315,11 @@ inline Bitboard Position::checkers() const {
}
inline Bitboard Position::discovered_check_candidates() const {
return hidden_checkers(sideToMove, ~sideToMove);
return check_blockers(sideToMove, ~sideToMove);
}
inline Bitboard Position::pinned_pieces(Color c) const {
return hidden_checkers(c, c);
return check_blockers(c, c);
}
inline bool Position::pawn_passed(Color c, Square s) const {