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| Rev | Author | Line No. | Line |
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| 96 | pmbaty | 1 | /* |
| 2 | Stockfish, a UCI chess playing engine derived from Glaurung 2.1 |
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| 3 | Copyright (C) 2004-2008 Tord Romstad (Glaurung author) |
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| 4 | Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad |
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| 169 | pmbaty | 5 | Copyright (C) 2015-2018 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad |
| 96 | pmbaty | 6 | |
| 7 | Stockfish is free software: you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU General Public License as published by |
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| 9 | the Free Software Foundation, either version 3 of the License, or |
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| 10 | (at your option) any later version. |
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| 11 | |||
| 12 | Stockfish is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | GNU General Public License for more details. |
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| 16 | |||
| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 19 | */ |
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| 20 | |||
| 21 | #ifndef MOVEGEN_H_INCLUDED |
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| 22 | #define MOVEGEN_H_INCLUDED |
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| 23 | |||
| 169 | pmbaty | 24 | #include <algorithm> |
| 25 | |||
| 96 | pmbaty | 26 | #include "types.h" |
| 27 | |||
| 28 | class Position; |
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| 29 | |||
| 30 | enum GenType { |
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| 31 | CAPTURES, |
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| 32 | QUIETS, |
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| 33 | QUIET_CHECKS, |
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| 34 | EVASIONS, |
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| 35 | NON_EVASIONS, |
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| 36 | LEGAL |
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| 37 | }; |
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| 38 | |||
| 39 | struct ExtMove { |
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| 40 | Move move; |
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| 169 | pmbaty | 41 | int value; |
| 96 | pmbaty | 42 | |
| 43 | operator Move() const { return move; } |
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| 44 | void operator=(Move m) { move = m; } |
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| 169 | pmbaty | 45 | |
| 46 | // Inhibit unwanted implicit conversions to Move |
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| 47 | // with an ambiguity that yields to a compile error. |
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| 48 | operator float() const = delete; |
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| 96 | pmbaty | 49 | }; |
| 50 | |||
| 51 | inline bool operator<(const ExtMove& f, const ExtMove& s) { |
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| 52 | return f.value < s.value; |
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| 53 | } |
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| 54 | |||
| 55 | template<GenType> |
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| 56 | ExtMove* generate(const Position& pos, ExtMove* moveList); |
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| 57 | |||
| 58 | /// The MoveList struct is a simple wrapper around generate(). It sometimes comes |
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| 59 | /// in handy to use this class instead of the low level generate() function. |
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| 60 | template<GenType T> |
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| 61 | struct MoveList { |
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| 62 | |||
| 63 | explicit MoveList(const Position& pos) : last(generate<T>(pos, moveList)) {} |
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| 64 | const ExtMove* begin() const { return moveList; } |
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| 65 | const ExtMove* end() const { return last; } |
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| 66 | size_t size() const { return last - moveList; } |
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| 67 | bool contains(Move move) const { |
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| 169 | pmbaty | 68 | return std::find(begin(), end(), move) != end(); |
| 96 | pmbaty | 69 | } |
| 70 | |||
| 71 | private: |
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| 72 | ExtMove moveList[MAX_MOVES], *last; |
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| 73 | }; |
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| 74 | |||
| 75 | #endif // #ifndef MOVEGEN_H_INCLUDED |