| /* | |
| Stockfish, a UCI chess playing engine derived from Glaurung 2.1 | |
| Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file) | |
| 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 <http://www.gnu.org/licenses/>. | |
| */ | |
| namespace Stockfish { | |
| class Position; | |
| enum GenType { | |
| CAPTURES, | |
| QUIETS, | |
| QUIET_CHECKS, | |
| EVASIONS, | |
| NON_EVASIONS, | |
| LEGAL | |
| }; | |
| struct ExtMove { | |
| Move move; | |
| int value; | |
| operator Move() const { return move; } | |
| void operator=(Move m) { move = m; } | |
| // Inhibit unwanted implicit conversions to Move | |
| // with an ambiguity that yields to a compile error. | |
| operator float() const = delete; | |
| }; | |
| inline bool operator<(const ExtMove& f, const ExtMove& s) { | |
| return f.value < s.value; | |
| } | |
| template<GenType> | |
| 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<GenType T> | |
| struct MoveList { | |
| explicit MoveList(const Position& pos) : last(generate<T>(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 { | |
| return std::find(begin(), end(), move) != end(); | |
| } | |
| private: | |
| ExtMove moveList[MAX_MOVES], *last; | |
| }; | |
| } // namespace Stockfish | |