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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include <QDir>
#include <QFileInfo>
#include "common/common_paths.h"
#include "common/file_util.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
#include "yuzu/compatibility_list.h"
#include "yuzu/game_list.h"
#include "yuzu/game_list_p.h"
#include "yuzu/game_list_worker.h"
#include "yuzu/ui_settings.h"
namespace {
void GetMetadataFromControlNCA(const FileSys::PatchManager& patch_manager,
const std::shared_ptr<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();
}
bool HasSupportedFileExtension(const std::string& file_name) {
const QFileInfo file = QFileInfo(QString::fromStdString(file_name));
return GameList::supported_file_extensions.contains(file.suffix(), Qt::CaseInsensitive);
}
bool IsExtractedNCAMain(const std::string& file_name) {
return QFileInfo(QString::fromStdString(file_name)).fileName() == "main";
}
QString FormatGameName(const std::string& physical_name) {
const QString physical_name_as_qstring = QString::fromStdString(physical_name);
const QFileInfo file_info(physical_name_as_qstring);
if (IsExtractedNCAMain(physical_name)) {
return file_info.dir().path();
}
return physical_name_as_qstring;
}
QString FormatPatchNameVersions(const FileSys::PatchManager& patch_manager, bool updatable = true) {
QString out;
for (const auto& kv : patch_manager.GetPatchVersionNames()) {
if (!updatable && kv.first == "Update")
continue;
if (kv.second.empty()) {
out.append(fmt::format("{}\n", kv.first).c_str());
} else {
out.append(fmt::format("{} ({})\n", kv.first, kv.second).c_str());
}
}
out.chop(1);
return out;
}
} // Anonymous namespace
GameListWorker::GameListWorker(FileSys::VirtualFilesystem vfs, QString dir_path, bool deep_scan,
const CompatibilityList& compatibility_list)
: vfs(std::move(vfs)), dir_path(std::move(dir_path)), deep_scan(deep_scan),
compatibility_list(compatibility_list) {}
GameListWorker::~GameListWorker() = default;
void GameListWorker::AddInstalledTitlesToGameList() {
const auto cache = Service::FileSystem::GetUnionContents();
const auto installed_games = cache->ListEntriesFilter(FileSys::TitleType::Application,
FileSys::ContentRecordType::Program);
for (const auto& game : installed_games) {
const auto& file = cache->GetEntryUnparsed(game);
std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(file);
if (!loader)
continue;
std::vector<u8> icon;
std::string name;
u64 program_id = 0;
loader->ReadProgramId(program_id);
const FileSys::PatchManager patch{program_id};
const auto& control = cache->GetEntry(game.title_id, FileSys::ContentRecordType::Control);
if (control != nullptr)
GetMetadataFromControlNCA(patch, control, icon, name);
auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
// The game list uses this as compatibility number for untested games
QString compatibility("99");
if (it != compatibility_list.end())
compatibility = it->second.first;
emit EntryReady({
new GameListItemPath(
FormatGameName(file->GetFullPath()), icon, QString::fromStdString(name),
QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType())),
program_id),
new GameListItemCompat(compatibility),
new GameListItem(FormatPatchNameVersions(patch)),
new GameListItem(
QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType()))),
new GameListItemSize(file->GetSize()),
});
}
const auto control_data = cache->ListEntriesFilter(FileSys::TitleType::Application,
FileSys::ContentRecordType::Control);
for (const auto& entry : control_data) {
const auto nca = cache->GetEntry(entry);
if (nca != nullptr)
nca_control_map.insert_or_assign(entry.title_id, nca);
}
}
void GameListWorker::FillControlMap(const std::string& dir_path) {
const auto nca_control_callback = [this](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
std::string physical_name = directory + DIR_SEP + virtual_name;
if (stop_processing)
return false; // Breaks the callback loop.
bool is_dir = FileUtil::IsDirectory(physical_name);
QFileInfo file_info(physical_name.c_str());
if (!is_dir && file_info.suffix().toStdString() == "nca") {
auto nca =
std::make_shared<FileSys::NCA>(vfs->OpenFile(physical_name, FileSys::Mode::Read));
if (nca->GetType() == FileSys::NCAContentType::Control)
nca_control_map.insert_or_assign(nca->GetTitleId(), nca);
}
return true;
};
FileUtil::ForeachDirectoryEntry(nullptr, dir_path, nca_control_callback);
}
void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion) {
const auto callback = [this, recursion](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
std::string physical_name = directory + DIR_SEP + virtual_name;
if (stop_processing)
return false; // Breaks the callback loop.
bool is_dir = FileUtil::IsDirectory(physical_name);
if (!is_dir &&
(HasSupportedFileExtension(physical_name) || IsExtractedNCAMain(physical_name))) {
std::unique_ptr<Loader::AppLoader> loader =
Loader::GetLoader(vfs->OpenFile(physical_name, FileSys::Mode::Read));
if (!loader || ((loader->GetFileType() == Loader::FileType::Unknown ||
loader->GetFileType() == Loader::FileType::Error) &&
!UISettings::values.show_unknown))
return true;
std::vector<u8> icon;
const auto res1 = loader->ReadIcon(icon);
u64 program_id = 0;
const auto res2 = loader->ReadProgramId(program_id);
std::string name = " ";
const auto res3 = loader->ReadTitle(name);
const FileSys::PatchManager patch{program_id};
if (res1 != Loader::ResultStatus::Success && res3 != Loader::ResultStatus::Success &&
res2 == Loader::ResultStatus::Success) {
// Use from metadata pool.
if (nca_control_map.find(program_id) != nca_control_map.end()) {
const auto nca = nca_control_map[program_id];
GetMetadataFromControlNCA(patch, nca, icon, name);
}
}
auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
// The game list uses this as compatibility number for untested games
QString compatibility("99");
if (it != compatibility_list.end())
compatibility = it->second.first;
emit EntryReady({
new GameListItemPath(
FormatGameName(physical_name), icon, QString::fromStdString(name),
QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType())),
program_id),
new GameListItemCompat(compatibility),
new GameListItem(FormatPatchNameVersions(patch, loader->IsRomFSUpdatable())),
new GameListItem(
QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType()))),
new GameListItemSize(FileUtil::GetSize(physical_name)),
});
} else if (is_dir && recursion > 0) {
watch_list.append(QString::fromStdString(physical_name));
AddFstEntriesToGameList(physical_name, recursion - 1);
}
return true;
};
FileUtil::ForeachDirectoryEntry(nullptr, dir_path, callback);
}
void GameListWorker::run() {
stop_processing = false;
watch_list.append(dir_path);
FillControlMap(dir_path.toStdString());
AddInstalledTitlesToGameList();
AddFstEntriesToGameList(dir_path.toStdString(), deep_scan ? 256 : 0);
nca_control_map.clear();
emit Finished(watch_list);
}
void GameListWorker::Cancel() {
this->disconnect();
stop_processing = true;
}
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