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// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CC_GAME_UTILS_H_
#define CC_GAME_UTILS_H_
#include <cstddef>
#include <string>
#include <utility>
#include <vector>
#include "absl/time/time.h"
#include "cc/game.h"
namespace minigo {
// Stats about how one model won its games.
struct WinStats {
struct ColorStats {
int both_passed = 0;
int opponent_resigned = 0;
int total() const {
return both_passed + opponent_resigned;
}
};
void Update(const Game& game) {
auto& stats = game.result() > 0 ? black_wins : white_wins;
switch (game.game_over_reason()) {
case Game::GameOverReason::kBothPassed:
stats.both_passed += 1;
break;
case Game::GameOverReason::kOpponentResigned:
stats.opponent_resigned += 1;
break;
}
}
ColorStats black_wins;
ColorStats white_wins;
};
// Returns a string-formatted table of win rates & types of multiple games
// between two players.
std::string FormatWinStatsTable(
const std::vector<std::pair<std::string, WinStats>>& stats);
// Returns the name (specifically the basename stem) for an output game file
// (e.g. SGF, TF example, etc) based on the hostname, process ID and game ID.
std::string GetOutputName(size_t game_id);
// Writes an SGF of the given game.
void WriteSgf(const std::string& output_dir, const std::string& output_name,
const Game& game, bool write_comments);
// Log game result & stats.
void LogEndGameInfo(const Game& game, absl::Duration game_time);
} // namespace minigo
#endif // CC_GAME_UTILS_H_