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150 lines (129 loc) · 4.91 KB
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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.
#include "cc/game_utils.h"
#include <iostream>
#include <cstring>
#include <utility>
#include <vector>
#include "absl/strings/str_cat.h"
#include "absl/strings/str_format.h"
#include "cc/file/path.h"
#include "cc/file/utils.h"
#include "cc/logging.h"
#include "cc/platform/utils.h"
#include "cc/sgf.h"
namespace minigo {
std::string FormatWinStatsTable(
const std::vector<std::pair<std::string, WinStats>>& stats) {
size_t name_length = 4;
for (const auto& name_stats : stats) {
name_length = std::max(name_length, name_stats.first.size());
}
std::string result;
auto append_header = [&](absl::string_view str) {
absl::StrAppendFormat(&result, "%*s %s", name_length, "", str);
};
auto append_stats = [&](absl::string_view name, const WinStats& stats) {
const auto& b = stats.black_wins;
const auto& w = stats.white_wins;
absl::StrAppendFormat(
&result, "\n%-*s %7d %7d %7d %7d %7d %7d", name_length, name,
b.total(), b.both_passed, b.opponent_resigned,
w.total(), w.both_passed, w.opponent_resigned);
};
append_header(
" Black Black Black White White White\n");
append_header(
" total passes resign total passes resign");
for (const auto& name_stats : stats) {
append_stats(name_stats.first, name_stats.second);
}
return result;
}
std::string GetOutputName(size_t game_id) {
return absl::StrCat(GetHostname(), "-", GetProcessId(), "-", game_id);
}
void WriteSgf(const std::string& output_dir, const std::string& output_name,
const Game& game, bool write_comments) {
MG_CHECK(file::RecursivelyCreateDir(output_dir));
bool log_names = game.black_name() != game.white_name();
std::vector<sgf::MoveWithComment> moves;
moves.reserve(game.moves().size());
for (size_t i = 0; i < game.moves().size(); ++i) {
const auto* move = game.moves()[i].get();
std::string comment;
if (write_comments) {
if (i == 0) {
comment =
absl::StrCat("Resign Threshold: ", game.options().resign_threshold,
"\n", move->comment);
} else {
if (log_names) {
comment =
absl::StrCat(move->color == Color::kBlack ? game.black_name()
: game.white_name(),
"\n", move->comment);
} else {
comment = move->comment;
}
}
}
moves.emplace_back(move->color, move->c, std::move(comment));
}
sgf::CreateSgfOptions options;
options.komi = game.options().komi;
options.result = game.result_string();
options.black_name = game.black_name();
options.white_name = game.white_name();
options.game_comment = game.comment();
auto sgf_str = sgf::CreateSgfString(moves, options);
auto output_path = file::JoinPath(output_dir, output_name + ".sgf");
MG_CHECK(file::WriteFile(output_path, sgf_str));
}
void LogEndGameInfo(const Game& game, absl::Duration game_time) {
std::cout << game.result_string() << std::endl;
std::cout << "Playing game: " << absl::ToDoubleSeconds(game_time)
<< std::endl;
std::cout << "Played moves: " << game.moves().size() << std::endl;
if (game.moves().empty()) {
return;
}
int bleakest_move = 0;
float q = 0.0;
if (game.FindBleakestMove(&bleakest_move, &q)) {
std::cout << "Bleakest eval: move=" << bleakest_move << " Q=" << q
<< std::endl;
}
// If resignation is disabled, check to see if the first time Q_perspective
// crossed the resign_threshold the eventual winner of the game would have
// resigned. Note that we only check for the first resignation: if the
// winner would have incorrectly resigned AFTER the loser would have
// resigned on an earlier move, this is not counted as a bad resignation for
// the winner (since the game would have ended after the loser's initial
// resignation).
if (!game.options().resign_enabled) {
for (size_t i = 0; i < game.moves().size(); ++i) {
const auto* move = game.moves()[i].get();
float Q_perspective = move->color == Color::kBlack ? move->Q : -move->Q;
if (Q_perspective < game.options().resign_threshold) {
if ((move->Q < 0) != (game.result() < 0)) {
std::cout << "Bad resign: move=" << i << " Q=" << move->Q
<< std::endl;
}
break;
}
}
}
}
} // namespace minigo