X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=62a121d7d291629e37aeebe32afe32fbc29776c6;hp=94f778ff2e4dd74eb1f958d1e58659c69cab43b3;hb=9369f4963d9376820cb5ca4bad66b86e67b0a010;hpb=d3600c39a745179ed6b094b305d0645e83a1ee86 diff --git a/src/movegen.h b/src/movegen.h index 94f778ff..62a121d7 100644 --- a/src/movegen.h +++ b/src/movegen.h @@ -1,42 +1,67 @@ /* 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; +}; + +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) : cur(moveList), last(generate(pos, moveList)) { last->move = MOVE_NONE; } + void operator++() { ++cur; } + Move operator*() const { return cur->move; } + size_t size() const { return last - moveList; } + bool contains(Move m) const { + for (const ExtMove* it(moveList); it != last; ++it) if (it->move == m) 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]; + ExtMove *cur, *last; +}; -#endif // !defined(MOVEGEN_H_INCLUDED) +#endif // #ifndef MOVEGEN_H_INCLUDED