mirror of
https://github.com/sockspls/badfish
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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>
118 lines
2.9 KiB
C
118 lines
2.9 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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#if !defined(PIECE_H_INCLUDED)
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#define PIECE_H_INCLUDED
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////
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//// Includes
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////
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#include "color.h"
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#include "square.h"
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#include "value.h"
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////
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//// Types
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////
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enum PieceType {
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PIECE_TYPE_NONE = 0,
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PAWN = 1, KNIGHT = 2, BISHOP = 3, ROOK = 4, QUEEN = 5, KING = 6
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};
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enum Piece {
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PIECE_NONE_DARK_SQ = 0, WP = 1, WN = 2, WB = 3, WR = 4, WQ = 5, WK = 6,
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BP = 9, BN = 10, BB = 11, BR = 12, BQ = 13, BK = 14, PIECE_NONE = 16
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};
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ENABLE_OPERATORS_ON(PieceType);
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ENABLE_OPERATORS_ON(Piece);
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////
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//// Constants
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////
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/// Important: If the material values are changed, one must also
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/// adjust the piece square tables, and the method game_phase() in the
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/// Position class!
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///
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/// Values modified by Joona Kiiski
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const Value PawnValueMidgame = Value(0x0C6);
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const Value PawnValueEndgame = Value(0x102);
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const Value KnightValueMidgame = Value(0x331);
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const Value KnightValueEndgame = Value(0x34E);
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const Value BishopValueMidgame = Value(0x344);
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const Value BishopValueEndgame = Value(0x359);
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const Value RookValueMidgame = Value(0x4F6);
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const Value RookValueEndgame = Value(0x4FE);
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const Value QueenValueMidgame = Value(0x9D9);
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const Value QueenValueEndgame = Value(0x9FE);
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extern const Value PieceValueMidgame[17];
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extern const Value PieceValueEndgame[17];
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extern const int SlidingArray[18];
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////
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//// Inline functions
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////
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inline PieceType type_of_piece(Piece p) {
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return PieceType(int(p) & 7);
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}
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inline Color color_of_piece(Piece p) {
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return Color(int(p) >> 3);
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}
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inline Piece piece_of_color_and_type(Color c, PieceType pt) {
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return Piece((int(c) << 3) | int(pt));
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}
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inline int piece_is_slider(Piece p) {
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return SlidingArray[p];
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}
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inline SquareDelta pawn_push(Color c) {
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return (c == WHITE ? DELTA_N : DELTA_S);
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}
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inline bool piece_type_is_ok(PieceType pc) {
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return pc >= PAWN && pc <= KING;
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}
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inline bool piece_is_ok(Piece pc) {
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return piece_type_is_ok(type_of_piece(pc)) && color_is_ok(color_of_piece(pc));
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}
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////
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//// Prototypes
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////
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extern char piece_type_to_char(PieceType pt, bool upcase = false);
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extern PieceType piece_type_from_char(char c);
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#endif // !defined(PIECE_H_INCLUDED)
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