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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 "citra_qt/compatibility_list.h"
#include "citra_qt/game_list.h"
#include "citra_qt/game_list_p.h"
#include "citra_qt/game_list_worker.h"
#include "citra_qt/uisettings.h"
#include "common/common_paths.h"
#include "common/file_util.h"
#include "core/hle/service/am/am.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/loader.h"
namespace {
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);
}
} // Anonymous namespace
GameListWorker::GameListWorker(QVector<UISettings::GameDir>& game_dirs,
const CompatibilityList& compatibility_list)
: game_dirs(game_dirs), compatibility_list(compatibility_list) {}
GameListWorker::~GameListWorker() = default;
void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion,
GameListDir* parent_dir,
Service::FS::MediaType media_type) {
const auto callback = [this, recursion, parent_dir,
media_type](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
if (stop_processing) {
// Breaks the callback loop.
return false;
}
const std::string physical_name = directory + DIR_SEP + virtual_name;
const bool is_dir = FileUtil::IsDirectory(physical_name);
if (!is_dir && HasSupportedFileExtension(physical_name)) {
std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(physical_name);
if (!loader) {
return true;
}
bool executable = false;
const auto res = loader->IsExecutable(executable);
if (!executable && res != Loader::ResultStatus::ErrorEncrypted) {
return true;
}
u64 program_id = 0;
loader->ReadProgramId(program_id);
u64 extdata_id = 0;
loader->ReadExtdataId(extdata_id);
std::vector<u8> smdh;
// Look for an update icon if available
if (!(program_id & ~0x00040000FFFFFFFF)) {
std::string update_path = Service::AM::GetTitleContentPath(
Service::FS::MediaType::SDMC, program_id | 0x0000000E00000000);
if (FileUtil::Exists(update_path)) {
std::unique_ptr<Loader::AppLoader> update_loader =
Loader::GetLoader(update_path);
if (update_loader) {
update_loader->ReadIcon(smdh);
}
}
}
if (!Loader::IsValidSMDH(smdh)) {
// Read the original smdh if there is no valid update smdh
loader->ReadIcon(smdh);
}
const auto system_title = ((program_id >> 32) & 0xFFFFFFFF) == 0x00040010;
if (Loader::IsValidSMDH(smdh)) {
if (system_title) {
auto smdh_struct = reinterpret_cast<Loader::SMDH*>(smdh.data());
if (!(smdh_struct->flags & Loader::SMDH::Flags::Visible)) {
// Skip system titles without the visible flag.
return true;
}
}
} else if (UISettings::values.game_list_hide_no_icon || system_title) {
// Skip this invalid entry
return true;
}
auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
// The game list uses this as compatibility number for untested games
QString compatibility(QStringLiteral("99"));
if (it != compatibility_list.end())
compatibility = it->second.first;
emit EntryReady(
{
new GameListItemPath(QString::fromStdString(physical_name), smdh, program_id,
extdata_id, media_type),
new GameListItemCompat(compatibility),
new GameListItemRegion(smdh),
new GameListItem(
QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType()))),
new GameListItemSize(FileUtil::GetSize(physical_name)),
},
parent_dir);
} else if (is_dir && recursion > 0) {
watch_list.append(QString::fromStdString(physical_name));
AddFstEntriesToGameList(physical_name, recursion - 1, parent_dir, media_type);
}
return true;
};
FileUtil::ForeachDirectoryEntry(nullptr, dir_path, callback);
}
void GameListWorker::run() {
stop_processing = false;
for (UISettings::GameDir& game_dir : game_dirs) {
if (game_dir.path == QStringLiteral("INSTALLED")) {
QString games_path =
QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir)) +
QStringLiteral("Nintendo "
"3DS/00000000000000000000000000000000/"
"00000000000000000000000000000000/title/00040000");
QString demos_path =
QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir)) +
QStringLiteral(
"Nintendo "
"3DS/00000000000000000000000000000000/00000000000000000000000000000000/title/"
"00040002");
watch_list.append(games_path);
watch_list.append(demos_path);
auto* const game_list_dir = new GameListDir(game_dir, GameListItemType::InstalledDir);
emit DirEntryReady(game_list_dir);
AddFstEntriesToGameList(games_path.toStdString(), 2, game_list_dir,
Service::FS::MediaType::SDMC);
AddFstEntriesToGameList(demos_path.toStdString(), 2, game_list_dir,
Service::FS::MediaType::SDMC);
} else if (game_dir.path == QStringLiteral("SYSTEM")) {
QString path =
QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir)) +
QStringLiteral("00000000000000000000000000000000/title/00040010");
watch_list.append(path);
auto* const game_list_dir = new GameListDir(game_dir, GameListItemType::SystemDir);
emit DirEntryReady(game_list_dir);
AddFstEntriesToGameList(path.toStdString(), 2, game_list_dir,
Service::FS::MediaType::NAND);
} else {
watch_list.append(game_dir.path);
auto* const game_list_dir = new GameListDir(game_dir);
emit DirEntryReady(game_list_dir);
AddFstEntriesToGameList(game_dir.path.toStdString(), game_dir.deep_scan ? 256 : 0,
game_list_dir, Service::FS::MediaType::GameCard);
}
}
emit Finished(watch_list);
}
void GameListWorker::Cancel() {
this->disconnect();
stop_processing = true;
}
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