mirror of
https://github.com/opelly27/Stockfish.git
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Marco Costalba
df4b106716
Where they belong. Note that array PieceValueMidgame[] and PieceValueEndgame[] are now declared extern in the header and moved in piece.cpp so to avoid allocate the array each time the header is included ! No functional change. Signed-off-by: Marco Costalba <mcostalba@gmail.com>
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
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Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
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Stockfish is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Stockfish is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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////
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//// Includes
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////
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#include <string>
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#include "piece.h"
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using namespace std;
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// Tables indexed by Piece
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const Value PieceValueMidgame[17] = {
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VALUE_ZERO,
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PawnValueMidgame, KnightValueMidgame, BishopValueMidgame,
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RookValueMidgame, QueenValueMidgame,
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VALUE_ZERO, VALUE_ZERO, VALUE_ZERO,
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PawnValueMidgame, KnightValueMidgame, BishopValueMidgame,
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RookValueMidgame, QueenValueMidgame,
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VALUE_ZERO, VALUE_ZERO, VALUE_ZERO
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};
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const Value PieceValueEndgame[17] = {
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VALUE_ZERO,
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PawnValueEndgame, KnightValueEndgame, BishopValueEndgame,
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RookValueEndgame, QueenValueEndgame,
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VALUE_ZERO, VALUE_ZERO, VALUE_ZERO,
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PawnValueEndgame, KnightValueEndgame, BishopValueEndgame,
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RookValueEndgame, QueenValueEndgame,
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VALUE_ZERO, VALUE_ZERO, VALUE_ZERO
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};
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const int SlidingArray[18] = {
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0, 0, 0, 1, 2, 3, 0, 0, 0, 0, 0, 1, 2, 3, 0, 0, 0, 0
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};
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////
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//// Functions
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////
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/// Translating piece types to/from English piece letters
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static const string PieceChars(" pnbrqk PNBRQK");
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char piece_type_to_char(PieceType pt, bool upcase) {
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return PieceChars[pt + int(upcase) * 7];
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}
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PieceType piece_type_from_char(char c) {
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size_t idx = PieceChars.find(c);
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return idx != string::npos ? PieceType(idx % 7) : PIECE_TYPE_NONE;
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}
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