X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=6a7f7e3ac51b4115f99e7bcef8a3296a7f69c39c;hp=7b7c4e91bb4857094e7a21cb667452e72ad3cb8d;hb=ed72a1e9ba37a9fa2674da8f46bb0597a1721c2d;hpb=9e4befe3f1ea324bece88aee2e97b38659411c52 diff --git a/src/movegen.h b/src/movegen.h index 7b7c4e91..6a7f7e3a 100644 --- a/src/movegen.h +++ b/src/movegen.h @@ -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) 2008-2009 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 @@ -17,28 +17,53 @@ 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; } + void operator=(Move m) { move = m; } +}; -#include "position.h" +inline bool operator<(const ExtMove& f, const ExtMove& s) { + return f.value < s.value; +} +template +ExtMove* generate(const Position& pos, ExtMove* moveList); -//// -//// Prototypes -//// +/// 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 { -extern MoveStack* generate_captures(const Position& pos, MoveStack* mlist); -extern MoveStack* generate_noncaptures(const Position& pos, MoveStack* mlist); -extern MoveStack* generate_non_capture_checks(const Position& pos, MoveStack* mlist, Bitboard dc); -extern MoveStack* generate_evasions(const Position& pos, MoveStack* mlist, Bitboard pinned); -extern MoveStack* generate_legal_moves(const Position& pos, MoveStack* mlist); -extern bool move_is_legal(const Position& pos, const Move m, Bitboard pinned); -extern bool move_is_legal(const Position& pos, const Move m); + 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; + } +private: + ExtMove moveList[MAX_MOVES], *last; +}; -#endif // !defined(MOVEGEN_H_INCLUDED) +#endif // #ifndef MOVEGEN_H_INCLUDED