Function EnumerateLegacyTracks

TombEngine/Sound/sound.cpp:415–456

}

void EnumerateLegacyTracks()
{
	auto dir = std::filesystem::path{ FullAudioDirectory };
	if (!std::filesystem::is_directory(dir))
	{
		TENLog("Folder \"" + dir.string() + "\" does not exist. ", LogLevel::Warning, LogConfig::All);
		return;
	}

	try 
	{
		// Capture three-digit filenames, or those which start with three digits.
		std::regex upToThreeDigits("((\\d{1,3})[^\\.]*)");
		std::smatch result;

		for (const auto& file : std::filesystem::directory_iterator{ dir })
		{
			auto fileName = file.path().filename().u8string();
			auto bResult = std::regex_search(fileName, result, upToThreeDigits);
			if (!result.empty())
			{
				// result[0] is the whole match including the leading backslash, so ignore it
				// result[1] is the full file name, not including the extension
				int index = std::stoi(result[2].str());
				SoundTrackInfo s;

				// TRLE default looping tracks
				if (index >= LegacyLoopingTrackMin && index <= LegacyLoopingTrackMax)
				{
					s.Mode = SoundTrackType::BGM;
				}
				s.Name = result[1];
				SoundTracks.insert(std::make_pair(index, s));
				SecretSoundIndex = std::max(SecretSoundIndex, index);
			}
		}
	}
	catch (std::filesystem::filesystem_error const& e)
	{
		TENLog(e.what(), LogLevel::Error, LogConfig::All);
	}
}

float GetSoundTrackLoudness(SoundTrackType type)
{