X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fpiece.cpp;h=84d12af107563c2809403c62b5d1ce16b031997d;hb=7305b569579e02d5e40d8ed981b93a03a6622868;hp=84ed22d78dd47740fcffa34a0d51620f748a7c0b;hpb=fb560fa5d77297f8deaa5c7375059e2ea9c36cd0;p=stockfish diff --git a/src/piece.cpp b/src/piece.cpp index 84ed22d7..84d12af1 100644 --- a/src/piece.cpp +++ b/src/piece.cpp @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008 Marco Costalba + Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -28,6 +28,33 @@ using namespace std; +// Tables indexed by Piece + +const Value PieceValueMidgame[17] = { + VALUE_ZERO, + PawnValueMidgame, KnightValueMidgame, BishopValueMidgame, + RookValueMidgame, QueenValueMidgame, + VALUE_ZERO, VALUE_ZERO, VALUE_ZERO, + PawnValueMidgame, KnightValueMidgame, BishopValueMidgame, + RookValueMidgame, QueenValueMidgame, + VALUE_ZERO, VALUE_ZERO, VALUE_ZERO +}; + +const Value PieceValueEndgame[17] = { + VALUE_ZERO, + PawnValueEndgame, KnightValueEndgame, BishopValueEndgame, + RookValueEndgame, QueenValueEndgame, + VALUE_ZERO, VALUE_ZERO, VALUE_ZERO, + PawnValueEndgame, KnightValueEndgame, BishopValueEndgame, + RookValueEndgame, QueenValueEndgame, + VALUE_ZERO, VALUE_ZERO, VALUE_ZERO +}; + +const int SlidingArray[18] = { + 0, 0, 0, 1, 2, 3, 0, 0, 0, 0, 0, 1, 2, 3, 0, 0, 0, 0 +}; + + //// //// Functions //// @@ -38,12 +65,12 @@ static const string PieceChars(" pnbrqk PNBRQK"); char piece_type_to_char(PieceType pt, bool upcase) { - return PieceChars[pt + upcase * 7]; + return PieceChars[pt + int(upcase) * 7]; } PieceType piece_type_from_char(char c) { size_t idx = PieceChars.find(c); - return idx != string::npos ? PieceType(idx % 7) : NO_PIECE_TYPE; + return idx != string::npos ? PieceType(idx % 7) : PIECE_TYPE_NONE; }