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| Rev 154 | Rev 169 | ||
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| Line 4... | Line 4... | ||
| 4 | Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad |
4 | Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad |
| 5 | Copyright (C) 2015- |
5 | Copyright (C) 2015-2018 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad |
| 6 | 6 | ||
| 7 | Stockfish is free software: you can redistribute it and/or modify |
7 | Stockfish is free software: you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation, either version 3 of the License, or |
9 | the Free Software Foundation, either version 3 of the License, or |
| 10 | (at your option) any later version. |
10 | (at your option) any later version. |
| Line 35... | Line 35... | ||
| 35 | 35 | ||
| 36 | Score pawns_score() const { return score; } |
36 | Score pawns_score() const { return score; } |
| 37 | Bitboard pawn_attacks(Color c) const { return pawnAttacks[c]; } |
37 | Bitboard pawn_attacks(Color c) const { return pawnAttacks[c]; } |
| 38 | Bitboard passed_pawns(Color c) const { return passedPawns[c]; } |
38 | Bitboard passed_pawns(Color c) const { return passedPawns[c]; } |
| 39 | Bitboard pawn_attacks_span(Color c) const { return pawnAttacksSpan[c]; } |
39 | Bitboard pawn_attacks_span(Color c) const { return pawnAttacksSpan[c]; } |
| - | 40 | int weak_unopposed(Color c) const { return weakUnopposed[c]; } |
|
| 40 | int pawn_asymmetry() const { return asymmetry; } |
41 | int pawn_asymmetry() const { return asymmetry; } |
| 41 | int open_files() const { return openFiles; } |
42 | int open_files() const { return openFiles; } |
| 42 | 43 | ||
| 43 | int semiopen_file(Color c, File f) const { |
44 | int semiopen_file(Color c, File f) const { |
| 44 | return semiopenFiles[c] & (1 << f); |
45 | return semiopenFiles[c] & (1 << f); |
| Line 47... | Line 48... | ||
| 47 | int semiopen_side(Color c, File f, bool leftSide) const { |
48 | int semiopen_side(Color c, File f, bool leftSide) const { |
| 48 | return semiopenFiles[c] & (leftSide ? (1 << f) - 1 : ~((1 << (f + 1)) - 1)); |
49 | return semiopenFiles[c] & (leftSide ? (1 << f) - 1 : ~((1 << (f + 1)) - 1)); |
| 49 | } |
50 | } |
| 50 | 51 | ||
| 51 | int pawns_on_same_color_squares(Color c, Square s) const { |
52 | int pawns_on_same_color_squares(Color c, Square s) const { |
| 52 | return pawnsOnSquares[c][ |
53 | return pawnsOnSquares[c][bool(DarkSquares & s)]; |
| 53 | } |
54 | } |
| 54 | 55 | ||
| 55 | template<Color Us> |
56 | template<Color Us> |
| 56 | Score king_safety(const Position& pos, Square ksq) { |
57 | Score king_safety(const Position& pos, Square ksq) { |
| 57 | return kingSquares[Us] == ksq && castlingRights[Us] == pos.can_castle(Us) |
58 | return kingSquares[Us] == ksq && castlingRights[Us] == pos.can_castle(Us) |
| Line 69... | Line 70... | ||
| 69 | Bitboard passedPawns[COLOR_NB]; |
70 | Bitboard passedPawns[COLOR_NB]; |
| 70 | Bitboard pawnAttacks[COLOR_NB]; |
71 | Bitboard pawnAttacks[COLOR_NB]; |
| 71 | Bitboard pawnAttacksSpan[COLOR_NB]; |
72 | Bitboard pawnAttacksSpan[COLOR_NB]; |
| 72 | Square kingSquares[COLOR_NB]; |
73 | Square kingSquares[COLOR_NB]; |
| 73 | Score kingSafety[COLOR_NB]; |
74 | Score kingSafety[COLOR_NB]; |
| - | 75 | int weakUnopposed[COLOR_NB]; |
|
| 74 | int castlingRights[COLOR_NB]; |
76 | int castlingRights[COLOR_NB]; |
| 75 | int semiopenFiles[COLOR_NB]; |
77 | int semiopenFiles[COLOR_NB]; |
| 76 | int pawnsOnSquares[COLOR_NB][COLOR_NB]; // [color][light/dark squares] |
78 | int pawnsOnSquares[COLOR_NB][COLOR_NB]; // [color][light/dark squares] |
| 77 | int asymmetry; |
79 | int asymmetry; |
| 78 | int openFiles; |
80 | int openFiles; |