game_list: Implement caching for game list
Preserves list of add ons and the icon, which are the two costliest parts of game list population.
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180f22f17e
commit
f95bdb5088
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@ -9,6 +9,7 @@
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#include <QDir>
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#include <QFileInfo>
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#include <QSettings>
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#include "common/common_paths.h"
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#include "common/file_util.h"
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@ -30,13 +31,101 @@
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#include "yuzu/ui_settings.h"
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namespace {
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template <typename T>
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T GetGameListCachedObject(const std::string& filename, const std::string& ext,
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const std::function<T()>& generator);
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template <>
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QString GetGameListCachedObject(const std::string& filename, const std::string& ext,
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const std::function<QString()>& generator) {
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if (!UISettings::values.cache_game_list || filename == "0000000000000000")
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return generator();
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const auto& path = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP + "game_list" +
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DIR_SEP + filename + "." + ext;
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FileUtil::CreateFullPath(path);
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if (!FileUtil::Exists(path)) {
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const auto str = generator();
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std::ofstream stream(path);
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if (stream)
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stream << str.toStdString();
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stream.close();
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return str;
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}
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std::ifstream stream(path);
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if (stream) {
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const std::string out(std::istreambuf_iterator<char>{stream},
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std::istreambuf_iterator<char>{});
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stream.close();
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return QString::fromStdString(out);
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}
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return generator();
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}
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template <>
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std::pair<std::vector<u8>, std::string> GetGameListCachedObject(
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const std::string& filename, const std::string& ext,
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const std::function<std::pair<std::vector<u8>, std::string>()>& generator) {
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if (!UISettings::values.cache_game_list || filename == "0000000000000000")
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return generator();
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const auto& path1 = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP +
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"game_list" + DIR_SEP + filename + ".jpeg";
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const auto& path2 = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP +
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"game_list" + DIR_SEP + filename + ".appname.txt";
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FileUtil::CreateFullPath(path1);
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if (!FileUtil::Exists(path1) || !FileUtil::Exists(path2)) {
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const auto [icon, nacp] = generator();
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FileUtil::IOFile file1(path1, "wb");
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file1.Resize(icon.size());
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file1.WriteBytes(icon.data(), icon.size());
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std::ofstream stream2(path2, std::ios::out);
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if (stream2)
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stream2 << nacp;
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file1.Close();
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stream2.close();
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return std::make_pair(icon, nacp);
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}
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FileUtil::IOFile file1(path1, "rb");
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std::ifstream stream2(path2);
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std::vector<u8> vec(file1.GetSize());
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file1.ReadBytes(vec.data(), vec.size());
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if (stream2 && !vec.empty()) {
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const std::string out(std::istreambuf_iterator<char>{stream2},
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std::istreambuf_iterator<char>{});
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stream2.close();
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return std::make_pair(vec, out);
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}
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return generator();
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}
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void GetMetadataFromControlNCA(const FileSys::PatchManager& patch_manager, const FileSys::NCA& nca,
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std::vector<u8>& icon, std::string& name) {
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auto [nacp, icon_file] = patch_manager.ParseControlNCA(nca);
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if (icon_file != nullptr)
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icon = icon_file->ReadAllBytes();
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if (nacp != nullptr)
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name = nacp->GetApplicationName();
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auto res = GetGameListCachedObject<std::pair<std::vector<u8>, std::string>>(
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fmt::format("{:016X}", patch_manager.GetTitleID()), {}, [&patch_manager, &nca] {
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const auto [nacp, icon_f] = patch_manager.ParseControlNCA(nca);
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return std::make_pair(icon_f->ReadAllBytes(), nacp->GetApplicationName());
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});
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icon = std::move(res.first);
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name = std::move(res.second);
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}
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bool HasSupportedFileExtension(const std::string& file_name) {
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@ -114,8 +203,11 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
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};
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if (UISettings::values.show_add_ons) {
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list.insert(
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2, new GameListItem(FormatPatchNameVersions(patch, loader, loader.IsRomFSUpdatable())));
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const auto patch_versions = GetGameListCachedObject<QString>(
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fmt::format("{:016X}", patch.GetTitleID()), "pv.txt", [&patch, &loader] {
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return FormatPatchNameVersions(patch, loader, loader.IsRomFSUpdatable());
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});
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list.insert(2, new GameListItem(patch_versions));
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}
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return list;
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