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85 lines (67 loc) · 2.75 KB
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/*
This file is part of Leela Zero.
Copyright (C) 2017-2019 Gian-Carlo Pascutto and contributors
Leela Zero 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.
Leela Zero 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 Leela Zero. If not, see <http://www.gnu.org/licenses/>.
Additional permission under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with NVIDIA Corporation's libraries from the
NVIDIA CUDA Toolkit and/or the NVIDIA CUDA Deep Neural
Network library and/or the NVIDIA TensorRT inference library
(or a modified version of those libraries), containing parts covered
by the terms of the respective license agreement, the licensors of
this Program grant you additional permission to convey the resulting
work.
*/
#ifndef SGFTREE_H_INCLUDED
#define SGFTREE_H_INCLUDED
#include <cstddef>
#include <map>
#include <sstream>
#include <string>
#include <vector>
#include "FastBoard.h"
#include "GameState.h"
#include "KoState.h"
class SGFTree {
public:
static constexpr auto EOT = 0; // End-Of-Tree marker
SGFTree() = default;
void init_state();
const KoState * get_state() const;
GameState follow_mainline_state(unsigned int movenum = 999) const;
std::vector<int> get_mainline() const;
void load_from_file(const std::string& filename, int index = 0);
void load_from_string(const std::string& gamebuff);
void add_property(std::string property, std::string value);
SGFTree * add_child();
const SGFTree * get_child(size_t count) const;
int get_move(int tomove) const;
std::pair<int, int> get_colored_move() const;
bool is_initialized() const {
return m_initialized;
}
FastBoard::vertex_t get_winner() const;
static std::string state_to_string(GameState& state, int compcolor);
private:
void populate_states();
void apply_move(int color, int move);
void apply_move(int move);
void copy_state(const SGFTree& state);
int string_to_vertex(const std::string& move) const;
using PropertyMap = std::multimap<std::string, std::string>;
bool m_initialized{false};
KoState m_state;
FastBoard::vertex_t m_winner{FastBoard::INVAL};
std::vector<SGFTree> m_children;
PropertyMap m_properties;
};
#endif