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suyu/src/yuzu/game_list_worker.cpp
Lioncash 6636f3ff47 patch_manager: Return a std::unique_ptr from ParseControlNCA() and GetControlMetadata() instead of a std::shared_ptr 
Neither of these functions require the use of shared ownership of the
returned pointer. This makes it more difficult to create reference
cycles with, and makes the interface more generic, as std::shared_ptr
instances can be created from a std::unique_ptr, but the vice-versa
isn't possible. This also alters relevant functions to take NCA
arguments by const reference rather than a const reference to a
std::shared_ptr. These functions don't alter the ownership of the memory
used by the NCA instance, so we can make the interface more generic by
not assuming anything about the type of smart pointer the NCA is
contained within and make it the caller's responsibility to ensure the
supplied NCA is valid.
2018-10-09 14:38:03 -04:00

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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 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,
Loader::AppLoader& loader, bool updatable = true) {
QString out;
FileSys::VirtualFile update_raw;
loader.ReadUpdateRaw(update_raw);
for (const auto& kv : patch_manager.GetPatchVersionNames(update_raw)) {
if (!updatable && kv.first == "Update")
continue;
if (kv.second.empty()) {
out.append(fmt::format("{}\n", kv.first).c_str());
} else {
auto ver = kv.second;
// Display container name for packed updates
if (ver == "PACKED" && kv.first == "Update")
ver = Loader::GetFileTypeString(loader.GetFileType());
out.append(fmt::format("{} ({})\n", kv.first, ver).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, *loader)),
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, 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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