X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=d46b8ddb7c9b4d5021fdbbcd13ff5dd59d2872ca;hp=94f778ff2e4dd74eb1f958d1e58659c69cab43b3;hb=65f46794af41534e0dc744c6f7531a4c43eca857;hpb=d3600c39a745179ed6b094b305d0645e83a1ee86 diff --git a/src/movegen.h b/src/movegen.h index 94f778ff..d46b8ddb 100644 --- a/src/movegen.h +++ b/src/movegen.h @@ -1,42 +1,68 @@ /* 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) 2008-2015 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 the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - + Stockfish is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program. If not, see . */ - -#if !defined(MOVEGEN_H_INCLUDED) +#ifndef MOVEGEN_H_INCLUDED #define MOVEGEN_H_INCLUDED -//// -//// Includes -//// +#include "types.h" + +class Position; + +enum GenType { + CAPTURES, + QUIETS, + QUIET_CHECKS, + EVASIONS, + NON_EVASIONS, + LEGAL +}; + +struct ExtMove { + Move move; + Value value; + + operator Move() const { return move; } +}; + +inline bool operator<(const ExtMove& f, const ExtMove& s) { + return f.value < s.value; +} -#include "position.h" +template +ExtMove* generate(const Position& pos, ExtMove* moveList); +/// The MoveList struct is a simple wrapper around generate(). It sometimes comes +/// in handy to use this class instead of the low level generate() function. +template +struct MoveList { -//// -//// Prototypes -//// + explicit MoveList(const Position& pos) : last(generate(pos, moveList)) {} + const ExtMove* begin() const { return moveList; } + const ExtMove* end() const { return last; } + size_t size() const { return last - moveList; } + bool contains(Move move) const { + for (const auto& m : *this) if (m == move) return true; + return false; + } -extern int generate_captures(const Position &pos, MoveStack *mlist); -extern int generate_noncaptures(const Position &pos, MoveStack *mlist); -extern int generate_checks(const Position &pos, MoveStack *mlist, Bitboard dc); -extern int generate_evasions(const Position &pos, MoveStack *mlist); -extern int generate_legal_moves(const Position &pos, MoveStack *mlist); -extern Move generate_move_if_legal(const Position &pos, Move m, Bitboard pinned); +private: + ExtMove moveList[MAX_MOVES], *last; +}; -#endif // !defined(MOVEGEN_H_INCLUDED) +#endif // #ifndef MOVEGEN_H_INCLUDED