core: Port core to VfsFilesystem for file access

src/yuzu/game_list.cpp

@@ -197,7 +197,8 @@ void GameList::onFilterCloseClicked() {
     main_window->filterBarSetChecked(false);
 }
 
-GameList::GameList(GMainWindow* parent) : QWidget{parent} {
+GameList::GameList(FileSys::VirtualFilesystem vfs, GMainWindow* parent)
+    : QWidget{parent}, vfs(std::move(vfs)) {
     watcher = new QFileSystemWatcher(this);
     connect(watcher, &QFileSystemWatcher::directoryChanged, this, &GameList::RefreshGameDirectory);
 
@@ -341,7 +342,7 @@ void GameList::PopulateAsync(const QString& dir_path, bool deep_scan) {
 
     emit ShouldCancelWorker();
 
-    GameListWorker* worker = new GameListWorker(dir_path, deep_scan);
+    GameListWorker* worker = new GameListWorker(vfs, dir_path, deep_scan);
 
     connect(worker, &GameListWorker::EntryReady, this, &GameList::AddEntry, Qt::QueuedConnection);
     connect(worker, &GameListWorker::Finished, this, &GameList::DonePopulating,
@@ -436,7 +437,7 @@ void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsign
         if (!is_dir &&
             (HasSupportedFileExtension(physical_name) || IsExtractedNCAMain(physical_name))) {
             std::unique_ptr<Loader::AppLoader> loader =
-                Loader::GetLoader(std::make_shared<FileSys::RealVfsFile>(physical_name));
+                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))

src/yuzu/game_list.h

@@ -59,7 +59,7 @@ public:
         QToolButton* button_filter_close = nullptr;
     };
 
-    explicit GameList(GMainWindow* parent = nullptr);
+    explicit GameList(FileSys::VirtualFilesystem vfs, GMainWindow* parent = nullptr);
     ~GameList() override;
 
     void clearFilter();
@@ -90,6 +90,7 @@ private:
     void PopupContextMenu(const QPoint& menu_location);
     void RefreshGameDirectory();
 
+    FileSys::VirtualFilesystem vfs;
     SearchField* search_field;
     GMainWindow* main_window = nullptr;
     QVBoxLayout* layout = nullptr;

src/yuzu/game_list_p.h

@@ -139,7 +139,7 @@ class GameListWorker : public QObject, public QRunnable {
     Q_OBJECT
 
 public:
-    GameListWorker(QString dir_path, bool deep_scan)
+    GameListWorker(FileSys::VirtualFilesystem vfs, QString dir_path, bool deep_scan)
         : dir_path(std::move(dir_path)), deep_scan(deep_scan) {}
 
 public slots:
@@ -163,6 +163,7 @@ signals:
     void Finished(QStringList watch_list);
 
 private:
+    FileSys::VirtualFilesystem vfs;
     QStringList watch_list;
     QString dir_path;
     bool deep_scan;

src/yuzu/main.cpp

@@ -24,6 +24,7 @@
 #include "common/string_util.h"
 #include "core/core.h"
 #include "core/crypto/key_manager.h"
+#include "core/file_sys/vfs_real.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/loader/loader.h"
 #include "core/settings.h"
@@ -81,9 +82,9 @@ static void ShowCalloutMessage(const QString& message, CalloutFlag flag) {
 
 void GMainWindow::ShowCallouts() {}
 
-const int GMainWindow::max_recent_files_item;
-
-GMainWindow::GMainWindow() : config(new Config()), emu_thread(nullptr) {
+GMainWindow::GMainWindow()
+    : config(new Config()), emu_thread(nullptr),
+      vfs(std::make_shared<FileSys::RealVfsFilesystem>()) {
 
     debug_context = Tegra::DebugContext::Construct();
 
@@ -132,7 +133,7 @@ void GMainWindow::InitializeWidgets() {
     render_window = new GRenderWindow(this, emu_thread.get());
     render_window->hide();
 
-    game_list = new GameList(this);
+    game_list = new GameList(vfs, this);
     ui.horizontalLayout->addWidget(game_list);
 
     // Create status bar
@@ -406,6 +407,7 @@ bool GMainWindow::LoadROM(const QString& filename) {
     }
 
     Core::System& system{Core::System::GetInstance()};
+    system.SetFilesystem(vfs);
 
     system.SetGPUDebugContext(debug_context);
 

src/yuzu/main.h

@@ -161,6 +161,9 @@ private:
     bool emulation_running = false;
     std::unique_ptr<EmuThread> emu_thread;
 
+    // FS
+    FileSys::VirtualFilesystem vfs;
+
     // Debugger panes
     ProfilerWidget* profilerWidget;
     MicroProfileDialog* microProfileDialog;