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game_list: Implement caching for game list

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Preserves list of add ons and the icon, which are the two costliest parts of game list population.
This commit is contained in:
Zach Hilman 2019-04-23 09:08:38 -04:00
parent 180f22f17e
commit f95bdb5088
1 changed files with 99 additions and 7 deletions
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106
src/yuzu/game_list_worker.cpp
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@ -9,6 +9,7 @@
#include <QDir>
#include <QFileInfo>
#include <QSettings>
#include "common/common_paths.h"
#include "common/file_util.h"
@ -30,13 +31,101 @@
#include "yuzu/ui_settings.h"
namespace {
template <typename T>
T GetGameListCachedObject(const std::string& filename, const std::string& ext,
const std::function<T()>& generator);
template <>
QString GetGameListCachedObject(const std::string& filename, const std::string& ext,
const std::function<QString()>& generator) {
if (!UISettings::values.cache_game_list || filename == "0000000000000000")
return generator();
const auto& path = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP + "game_list" +
DIR_SEP + filename + "." + ext;
FileUtil::CreateFullPath(path);
if (!FileUtil::Exists(path)) {
const auto str = generator();
std::ofstream stream(path);
if (stream)
stream << str.toStdString();
stream.close();
return str;
}
std::ifstream stream(path);
if (stream) {
const std::string out(std::istreambuf_iterator<char>{stream},
std::istreambuf_iterator<char>{});
stream.close();
return QString::fromStdString(out);
}
return generator();
}
template <>
std::pair<std::vector<u8>, std::string> GetGameListCachedObject(
const std::string& filename, const std::string& ext,
const std::function<std::pair<std::vector<u8>, std::string>()>& generator) {
if (!UISettings::values.cache_game_list || filename == "0000000000000000")
return generator();
const auto& path1 = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP +
"game_list" + DIR_SEP + filename + ".jpeg";
const auto& path2 = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP +
"game_list" + DIR_SEP + filename + ".appname.txt";
FileUtil::CreateFullPath(path1);
if (!FileUtil::Exists(path1) || !FileUtil::Exists(path2)) {
const auto [icon, nacp] = generator();
FileUtil::IOFile file1(path1, "wb");
file1.Resize(icon.size());
file1.WriteBytes(icon.data(), icon.size());
std::ofstream stream2(path2, std::ios::out);
if (stream2)
stream2 << nacp;
file1.Close();
stream2.close();
return std::make_pair(icon, nacp);
}
FileUtil::IOFile file1(path1, "rb");
std::ifstream stream2(path2);
std::vector<u8> vec(file1.GetSize());
file1.ReadBytes(vec.data(), vec.size());
if (stream2 && !vec.empty()) {
const std::string out(std::istreambuf_iterator<char>{stream2},
std::istreambuf_iterator<char>{});
stream2.close();
return std::make_pair(vec, out);
}
return generator();
}
void GetMetadataFromControlNCA(const FileSys::PatchManager& patch_manager, const FileSys::NCA& nca,
std::vector<u8>& icon, std::string& name) {
auto [nacp, icon_file] = patch_manager.ParseControlNCA(nca);
if (icon_file != nullptr)
icon = icon_file->ReadAllBytes();
if (nacp != nullptr)
name = nacp->GetApplicationName();
auto res = GetGameListCachedObject<std::pair<std::vector<u8>, std::string>>(
fmt::format("{:016X}", patch_manager.GetTitleID()), {}, [&patch_manager, &nca] {
const auto [nacp, icon_f] = patch_manager.ParseControlNCA(nca);
return std::make_pair(icon_f->ReadAllBytes(), nacp->GetApplicationName());
});
icon = std::move(res.first);
name = std::move(res.second);
}
bool HasSupportedFileExtension(const std::string& file_name) {
@ -114,8 +203,11 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
};
if (UISettings::values.show_add_ons) {
list.insert(
2, new GameListItem(FormatPatchNameVersions(patch, loader, loader.IsRomFSUpdatable())));
const auto patch_versions = GetGameListCachedObject<QString>(
fmt::format("{:016X}", patch.GetTitleID()), "pv.txt", [&patch, &loader] {
return FormatPatchNameVersions(patch, loader, loader.IsRomFSUpdatable());
});
list.insert(2, new GameListItem(patch_versions));
}
return list;