Merge pull request #10519 from mdmrk/master

yuzu-qt: Track play time

src/common/fs/fs_paths.h

@@ -18,6 +18,7 @@
 #define LOAD_DIR "load"
 #define LOG_DIR "log"
 #define NAND_DIR "nand"
+#define PLAY_TIME_DIR "play_time"
 #define SCREENSHOTS_DIR "screenshots"
 #define SDMC_DIR "sdmc"
 #define SHADER_DIR "shader"

src/common/fs/path_util.cpp

@@ -124,6 +124,7 @@ public:
         GenerateYuzuPath(YuzuPath::LoadDir, yuzu_path / LOAD_DIR);
         GenerateYuzuPath(YuzuPath::LogDir, yuzu_path / LOG_DIR);
         GenerateYuzuPath(YuzuPath::NANDDir, yuzu_path / NAND_DIR);
+        GenerateYuzuPath(YuzuPath::PlayTimeDir, yuzu_path / PLAY_TIME_DIR);
         GenerateYuzuPath(YuzuPath::ScreenshotsDir, yuzu_path / SCREENSHOTS_DIR);
         GenerateYuzuPath(YuzuPath::SDMCDir, yuzu_path / SDMC_DIR);
         GenerateYuzuPath(YuzuPath::ShaderDir, yuzu_path / SHADER_DIR);

src/common/fs/path_util.h

@@ -20,6 +20,7 @@ enum class YuzuPath {
     LoadDir,        // Where cheat/mod files are stored.
     LogDir,         // Where log files are stored.
     NANDDir,        // Where the emulated NAND is stored.
+    PlayTimeDir,    // Where play time data is stored.
     ScreenshotsDir, // Where yuzu screenshots are stored.
     SDMCDir,        // Where the emulated SDMC is stored.
     ShaderDir,      // Where shaders are stored.

src/yuzu/CMakeLists.txt

@@ -195,6 +195,8 @@ add_executable(yuzu
     multiplayer/state.cpp
     multiplayer/state.h
     multiplayer/validation.h
+    play_time_manager.cpp
+    play_time_manager.h
     precompiled_headers.h
     qt_common.cpp
     qt_common.h

src/yuzu/configuration/configure_ui.cpp

@@ -123,6 +123,8 @@ ConfigureUi::ConfigureUi(Core::System& system_, QWidget* parent)
     connect(ui->show_compat, &QCheckBox::stateChanged, this, &ConfigureUi::RequestGameListUpdate);
     connect(ui->show_size, &QCheckBox::stateChanged, this, &ConfigureUi::RequestGameListUpdate);
     connect(ui->show_types, &QCheckBox::stateChanged, this, &ConfigureUi::RequestGameListUpdate);
+    connect(ui->show_play_time, &QCheckBox::stateChanged, this,
+            &ConfigureUi::RequestGameListUpdate);
     connect(ui->game_icon_size_combobox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
             &ConfigureUi::RequestGameListUpdate);
     connect(ui->folder_icon_size_combobox, QOverload<int>::of(&QComboBox::currentIndexChanged),
@@ -167,6 +169,7 @@ void ConfigureUi::ApplyConfiguration() {
     UISettings::values.show_compat = ui->show_compat->isChecked();
     UISettings::values.show_size = ui->show_size->isChecked();
     UISettings::values.show_types = ui->show_types->isChecked();
+    UISettings::values.show_play_time = ui->show_play_time->isChecked();
     UISettings::values.game_icon_size = ui->game_icon_size_combobox->currentData().toUInt();
     UISettings::values.folder_icon_size = ui->folder_icon_size_combobox->currentData().toUInt();
     UISettings::values.row_1_text_id = ui->row_1_text_combobox->currentData().toUInt();
@@ -179,6 +182,7 @@ void ConfigureUi::ApplyConfiguration() {
     const u32 height = ScreenshotDimensionToInt(ui->screenshot_height->currentText());
     UISettings::values.screenshot_height.SetValue(height);
 
+    RequestGameListUpdate();
     system.ApplySettings();
 }
 
@@ -194,6 +198,7 @@ void ConfigureUi::SetConfiguration() {
     ui->show_compat->setChecked(UISettings::values.show_compat.GetValue());
     ui->show_size->setChecked(UISettings::values.show_size.GetValue());
     ui->show_types->setChecked(UISettings::values.show_types.GetValue());
+    ui->show_play_time->setChecked(UISettings::values.show_play_time.GetValue());
     ui->game_icon_size_combobox->setCurrentIndex(
         ui->game_icon_size_combobox->findData(UISettings::values.game_icon_size.GetValue()));
     ui->folder_icon_size_combobox->setCurrentIndex(

src/yuzu/configuration/configure_ui.ui

@@ -104,6 +104,13 @@
           </property>
          </widget>
         </item>
+        <item>
+         <widget class="QCheckBox" name="show_play_time">
+          <property name="text">
+           <string>Show Play Time Column</string>
+          </property>
+         </widget>
+        </item>
         <item>
          <layout class="QHBoxLayout" name="game_icon_size_qhbox_layout_2">
           <item>

src/yuzu/game_list.cpp

@@ -312,8 +312,10 @@ void GameList::OnFilterCloseClicked() {
 }
 
 GameList::GameList(FileSys::VirtualFilesystem vfs_, FileSys::ManualContentProvider* provider_,
-                   Core::System& system_, GMainWindow* parent)
+                   PlayTime::PlayTimeManager& play_time_manager_, Core::System& system_,
-    : QWidget{parent}, vfs{std::move(vfs_)}, provider{provider_}, system{system_} {
+                   GMainWindow* parent)
+    : QWidget{parent}, vfs{std::move(vfs_)}, provider{provider_},
+      play_time_manager{play_time_manager_}, system{system_} {
     watcher = new QFileSystemWatcher(this);
     connect(watcher, &QFileSystemWatcher::directoryChanged, this, &GameList::RefreshGameDirectory);
 
@@ -340,6 +342,7 @@ GameList::GameList(FileSys::VirtualFilesystem vfs_, FileSys::ManualContentProvid
 
     tree_view->setColumnHidden(COLUMN_ADD_ONS, !UISettings::values.show_add_ons);
     tree_view->setColumnHidden(COLUMN_COMPATIBILITY, !UISettings::values.show_compat);
+    tree_view->setColumnHidden(COLUMN_PLAY_TIME, !UISettings::values.show_play_time);
     item_model->setSortRole(GameListItemPath::SortRole);
 
     connect(main_window, &GMainWindow::UpdateThemedIcons, this, &GameList::OnUpdateThemedIcons);
@@ -548,6 +551,7 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     QAction* remove_update = remove_menu->addAction(tr("Remove Installed Update"));
     QAction* remove_dlc = remove_menu->addAction(tr("Remove All Installed DLC"));
     QAction* remove_custom_config = remove_menu->addAction(tr("Remove Custom Configuration"));
+    QAction* remove_play_time_data = remove_menu->addAction(tr("Remove Play Time Data"));
     QAction* remove_cache_storage = remove_menu->addAction(tr("Remove Cache Storage"));
     QAction* remove_gl_shader_cache = remove_menu->addAction(tr("Remove OpenGL Pipeline Cache"));
     QAction* remove_vk_shader_cache = remove_menu->addAction(tr("Remove Vulkan Pipeline Cache"));
@@ -622,6 +626,8 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     connect(remove_custom_config, &QAction::triggered, [this, program_id, path]() {
         emit RemoveFileRequested(program_id, GameListRemoveTarget::CustomConfiguration, path);
     });
+    connect(remove_play_time_data, &QAction::triggered,
+            [this, program_id]() { emit RemovePlayTimeRequested(program_id); });
     connect(remove_cache_storage, &QAction::triggered, [this, program_id, path] {
         emit RemoveFileRequested(program_id, GameListRemoveTarget::CacheStorage, path);
     });
@@ -790,6 +796,7 @@ void GameList::RetranslateUI() {
     item_model->setHeaderData(COLUMN_ADD_ONS, Qt::Horizontal, tr("Add-ons"));
     item_model->setHeaderData(COLUMN_FILE_TYPE, Qt::Horizontal, tr("File type"));
     item_model->setHeaderData(COLUMN_SIZE, Qt::Horizontal, tr("Size"));
+    item_model->setHeaderData(COLUMN_PLAY_TIME, Qt::Horizontal, tr("Play time"));
 }
 
 void GameListSearchField::changeEvent(QEvent* event) {
@@ -817,6 +824,7 @@ void GameList::PopulateAsync(QVector<UISettings::GameDir>& game_dirs) {
     tree_view->setColumnHidden(COLUMN_COMPATIBILITY, !UISettings::values.show_compat);
     tree_view->setColumnHidden(COLUMN_FILE_TYPE, !UISettings::values.show_types);
     tree_view->setColumnHidden(COLUMN_SIZE, !UISettings::values.show_size);
+    tree_view->setColumnHidden(COLUMN_PLAY_TIME, !UISettings::values.show_play_time);
 
     // Delete any rows that might already exist if we're repopulating
     item_model->removeRows(0, item_model->rowCount());
@@ -825,7 +833,7 @@ void GameList::PopulateAsync(QVector<UISettings::GameDir>& game_dirs) {
     emit ShouldCancelWorker();
 
     GameListWorker* worker =
-        new GameListWorker(vfs, provider, game_dirs, compatibility_list, system);
+        new GameListWorker(vfs, provider, game_dirs, compatibility_list, play_time_manager, system);
 
     connect(worker, &GameListWorker::EntryReady, this, &GameList::AddEntry, Qt::QueuedConnection);
     connect(worker, &GameListWorker::DirEntryReady, this, &GameList::AddDirEntry,

src/yuzu/game_list.h

@@ -18,6 +18,7 @@
 #include "core/core.h"
 #include "uisettings.h"
 #include "yuzu/compatibility_list.h"
+#include "yuzu/play_time_manager.h"
 
 namespace Core {
 class System;
@@ -75,11 +76,13 @@ public:
         COLUMN_ADD_ONS,
         COLUMN_FILE_TYPE,
         COLUMN_SIZE,
+        COLUMN_PLAY_TIME,
         COLUMN_COUNT, // Number of columns
     };
 
     explicit GameList(std::shared_ptr<FileSys::VfsFilesystem> vfs_,
-                      FileSys::ManualContentProvider* provider_, Core::System& system_,
+                      FileSys::ManualContentProvider* provider_,
+                      PlayTime::PlayTimeManager& play_time_manager_, Core::System& system_,
                       GMainWindow* parent = nullptr);
     ~GameList() override;
 
@@ -113,6 +116,7 @@ signals:
     void RemoveInstalledEntryRequested(u64 program_id, InstalledEntryType type);
     void RemoveFileRequested(u64 program_id, GameListRemoveTarget target,
                              const std::string& game_path);
+    void RemovePlayTimeRequested(u64 program_id);
     void DumpRomFSRequested(u64 program_id, const std::string& game_path, DumpRomFSTarget target);
     void VerifyIntegrityRequested(const std::string& game_path);
     void CopyTIDRequested(u64 program_id);
@@ -168,6 +172,7 @@ private:
 
     friend class GameListSearchField;
 
+    const PlayTime::PlayTimeManager& play_time_manager;
     Core::System& system;
 };
 

src/yuzu/game_list_p.h

@@ -18,6 +18,7 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
+#include "yuzu/play_time_manager.h"
 #include "yuzu/uisettings.h"
 #include "yuzu/util/util.h"
 
@@ -221,6 +222,31 @@ public:
     }
 };
 
+/**
+ * GameListItem for Play Time values.
+ * This object stores the play time of a game in seconds, and its readable
+ * representation in minutes/hours
+ */
+class GameListItemPlayTime : public GameListItem {
+public:
+    static constexpr int PlayTimeRole = SortRole;
+
+    GameListItemPlayTime() = default;
+    explicit GameListItemPlayTime(const qulonglong time_seconds) {
+        setData(time_seconds, PlayTimeRole);
+    }
+
+    void setData(const QVariant& value, int role) override {
+        qulonglong time_seconds = value.toULongLong();
+        GameListItem::setData(PlayTime::ReadablePlayTime(time_seconds), Qt::DisplayRole);
+        GameListItem::setData(value, PlayTimeRole);
+    }
+
+    bool operator<(const QStandardItem& other) const override {
+        return data(PlayTimeRole).toULongLong() < other.data(PlayTimeRole).toULongLong();
+    }
+};
+
 class GameListDir : public GameListItem {
 public:
     static constexpr int GameDirRole = Qt::UserRole + 2;

src/yuzu/game_list_worker.cpp

@@ -194,6 +194,7 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
                                         const std::size_t size, const std::vector<u8>& icon,
                                         Loader::AppLoader& loader, u64 program_id,
                                         const CompatibilityList& compatibility_list,
+                                        const PlayTime::PlayTimeManager& play_time_manager,
                                         const FileSys::PatchManager& patch) {
     const auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
 
@@ -212,6 +213,7 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
         new GameListItemCompat(compatibility),
         new GameListItem(file_type_string),
         new GameListItemSize(size),
+        new GameListItemPlayTime(play_time_manager.GetPlayTime(program_id)),
     };
 
     const auto patch_versions = GetGameListCachedObject(
@@ -227,9 +229,12 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
 GameListWorker::GameListWorker(FileSys::VirtualFilesystem vfs_,
                                FileSys::ManualContentProvider* provider_,
                                QVector<UISettings::GameDir>& game_dirs_,
-                               const CompatibilityList& compatibility_list_, Core::System& system_)
+                               const CompatibilityList& compatibility_list_,
+                               const PlayTime::PlayTimeManager& play_time_manager_,
+                               Core::System& system_)
     : vfs{std::move(vfs_)}, provider{provider_}, game_dirs{game_dirs_},
-      compatibility_list{compatibility_list_}, system{system_} {}
+      compatibility_list{compatibility_list_},
+      play_time_manager{play_time_manager_}, system{system_} {}
 
 GameListWorker::~GameListWorker() = default;
 
@@ -280,7 +285,7 @@ void GameListWorker::AddTitlesToGameList(GameListDir* parent_dir) {
         }
 
         emit EntryReady(MakeGameListEntry(file->GetFullPath(), name, file->GetSize(), icon, *loader,
-                                          program_id, compatibility_list, patch),
+                                          program_id, compatibility_list, play_time_manager, patch),
                         parent_dir);
     }
 }
@@ -357,7 +362,8 @@ void GameListWorker::ScanFileSystem(ScanTarget target, const std::string& dir_pa
 
                         emit EntryReady(MakeGameListEntry(physical_name, name,
                                                           Common::FS::GetSize(physical_name), icon,
-                                                          *loader, id, compatibility_list, patch),
+                                                          *loader, id, compatibility_list,
+                                                          play_time_manager, patch),
                                         parent_dir);
                     }
                 } else {
@@ -370,10 +376,11 @@ void GameListWorker::ScanFileSystem(ScanTarget target, const std::string& dir_pa
                     const FileSys::PatchManager patch{program_id, system.GetFileSystemController(),
                                                       system.GetContentProvider()};
 
-                    emit EntryReady(
+                    emit EntryReady(MakeGameListEntry(physical_name, name,
-                        MakeGameListEntry(physical_name, name, Common::FS::GetSize(physical_name),
+                                                      Common::FS::GetSize(physical_name), icon,
-                                          icon, *loader, program_id, compatibility_list, patch),
+                                                      *loader, program_id, compatibility_list,
-                        parent_dir);
+                                                      play_time_manager, patch),
+                                    parent_dir);
                 }
             }
         } else if (is_dir) {

src/yuzu/game_list_worker.h

@@ -13,6 +13,7 @@
 #include <QString>
 
 #include "yuzu/compatibility_list.h"
+#include "yuzu/play_time_manager.h"
 
 namespace Core {
 class System;
@@ -36,7 +37,9 @@ public:
     explicit GameListWorker(std::shared_ptr<FileSys::VfsFilesystem> vfs_,
                             FileSys::ManualContentProvider* provider_,
                             QVector<UISettings::GameDir>& game_dirs_,
-                            const CompatibilityList& compatibility_list_, Core::System& system_);
+                            const CompatibilityList& compatibility_list_,
+                            const PlayTime::PlayTimeManager& play_time_manager_,
+                            Core::System& system_);
     ~GameListWorker() override;
 
     /// Starts the processing of directory tree information.
@@ -76,6 +79,7 @@ private:
     FileSys::ManualContentProvider* provider;
     QVector<UISettings::GameDir>& game_dirs;
     const CompatibilityList& compatibility_list;
+    const PlayTime::PlayTimeManager& play_time_manager;
 
     QStringList watch_list;
     std::atomic_bool stop_processing;

src/yuzu/main.cpp

@@ -150,6 +150,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "yuzu/install_dialog.h"
 #include "yuzu/loading_screen.h"
 #include "yuzu/main.h"
+#include "yuzu/play_time_manager.h"
 #include "yuzu/startup_checks.h"
 #include "yuzu/uisettings.h"
 #include "yuzu/util/clickable_label.h"
@@ -338,6 +339,8 @@ GMainWindow::GMainWindow(std::unique_ptr<Config> config_, bool has_broken_vulkan
     SetDiscordEnabled(UISettings::values.enable_discord_presence.GetValue());
     discord_rpc->Update();
 
+    play_time_manager = std::make_unique<PlayTime::PlayTimeManager>();
+
     system->GetRoomNetwork().Init();
 
     RegisterMetaTypes();
@@ -986,7 +989,7 @@ void GMainWindow::InitializeWidgets() {
     render_window = new GRenderWindow(this, emu_thread.get(), input_subsystem, *system);
     render_window->hide();
 
-    game_list = new GameList(vfs, provider.get(), *system, this);
+    game_list = new GameList(vfs, provider.get(), *play_time_manager, *system, this);
     ui->horizontalLayout->addWidget(game_list);
 
     game_list_placeholder = new GameListPlaceholder(this);
@@ -1461,6 +1464,8 @@ void GMainWindow::ConnectWidgetEvents() {
     connect(game_list, &GameList::RemoveInstalledEntryRequested, this,
             &GMainWindow::OnGameListRemoveInstalledEntry);
     connect(game_list, &GameList::RemoveFileRequested, this, &GMainWindow::OnGameListRemoveFile);
+    connect(game_list, &GameList::RemovePlayTimeRequested, this,
+            &GMainWindow::OnGameListRemovePlayTimeData);
     connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
     connect(game_list, &GameList::VerifyIntegrityRequested, this,
             &GMainWindow::OnGameListVerifyIntegrity);
@@ -2535,6 +2540,17 @@ void GMainWindow::OnGameListRemoveFile(u64 program_id, GameListRemoveTarget targ
     }
 }
 
+void GMainWindow::OnGameListRemovePlayTimeData(u64 program_id) {
+    if (QMessageBox::question(this, tr("Remove Play Time Data"), tr("Reset play time?"),
+                              QMessageBox::Yes | QMessageBox::No,
+                              QMessageBox::No) != QMessageBox::Yes) {
+        return;
+    }
+
+    play_time_manager->ResetProgramPlayTime(program_id);
+    game_list->PopulateAsync(UISettings::values.game_dirs);
+}
+
 void GMainWindow::RemoveTransferableShaderCache(u64 program_id, GameListRemoveTarget target) {
     const auto target_file_name = [target] {
         switch (target) {
@@ -3358,6 +3374,9 @@ void GMainWindow::OnStartGame() {
     UpdateMenuState();
     OnTasStateChanged();
 
+    play_time_manager->SetProgramId(system->GetApplicationProcessProgramID());
+    play_time_manager->Start();
+
     discord_rpc->Update();
 }
 
@@ -3373,6 +3392,7 @@ void GMainWindow::OnRestartGame() {
 
 void GMainWindow::OnPauseGame() {
     emu_thread->SetRunning(false);
+    play_time_manager->Stop();
     UpdateMenuState();
     AllowOSSleep();
 }
@@ -3393,6 +3413,9 @@ void GMainWindow::OnStopGame() {
         return;
     }
 
+    play_time_manager->Stop();
+    // Update game list to show new play time
+    game_list->PopulateAsync(UISettings::values.game_dirs);
     if (OnShutdownBegin()) {
         OnShutdownBeginDialog();
     } else {

src/yuzu/main.h

@@ -81,6 +81,10 @@ namespace DiscordRPC {
 class DiscordInterface;
 }
 
+namespace PlayTime {
+class PlayTimeManager;
+}
+
 namespace FileSys {
 class ContentProvider;
 class ManualContentProvider;
@@ -323,6 +327,7 @@ private slots:
     void OnGameListRemoveInstalledEntry(u64 program_id, InstalledEntryType type);
     void OnGameListRemoveFile(u64 program_id, GameListRemoveTarget target,
                               const std::string& game_path);
+    void OnGameListRemovePlayTimeData(u64 program_id);
     void OnGameListDumpRomFS(u64 program_id, const std::string& game_path, DumpRomFSTarget target);
     void OnGameListVerifyIntegrity(const std::string& game_path);
     void OnGameListCopyTID(u64 program_id);
@@ -389,6 +394,7 @@ private:
     void RemoveVulkanDriverPipelineCache(u64 program_id);
     void RemoveAllTransferableShaderCaches(u64 program_id);
     void RemoveCustomConfiguration(u64 program_id, const std::string& game_path);
+    void RemovePlayTimeData(u64 program_id);
     void RemoveCacheStorage(u64 program_id);
     bool SelectRomFSDumpTarget(const FileSys::ContentProvider&, u64 program_id,
                                u64* selected_title_id, u8* selected_content_record_type);
@@ -428,6 +434,7 @@ private:
 
     std::unique_ptr<Core::System> system;
     std::unique_ptr<DiscordRPC::DiscordInterface> discord_rpc;
+    std::unique_ptr<PlayTime::PlayTimeManager> play_time_manager;
     std::shared_ptr<InputCommon::InputSubsystem> input_subsystem;
 
     MultiplayerState* multiplayer_state = nullptr;

src/yuzu/play_time_manager.cpp

@@ -0,0 +1,179 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/alignment.h"
+#include "common/fs/file.h"
+#include "common/fs/fs.h"
+#include "common/fs/path_util.h"
+#include "common/logging/log.h"
+#include "common/settings.h"
+#include "common/thread.h"
+#include "core/hle/service/acc/profile_manager.h"
+#include "yuzu/play_time_manager.h"
+
+namespace PlayTime {
+
+namespace {
+
+struct PlayTimeElement {
+    ProgramId program_id;
+    PlayTime play_time;
+};
+
+std::optional<std::filesystem::path> GetCurrentUserPlayTimePath() {
+    const Service::Account::ProfileManager manager;
+    const auto uuid = manager.GetUser(static_cast<s32>(Settings::values.current_user));
+    if (!uuid.has_value()) {
+        return std::nullopt;
+    }
+    return Common::FS::GetYuzuPath(Common::FS::YuzuPath::PlayTimeDir) /
+           uuid->RawString().append(".bin");
+}
+
+[[nodiscard]] bool ReadPlayTimeFile(PlayTimeDatabase& out_play_time_db) {
+    const auto filename = GetCurrentUserPlayTimePath();
+
+    if (!filename.has_value()) {
+        LOG_ERROR(Frontend, "Failed to get current user path");
+        return false;
+    }
+
+    out_play_time_db.clear();
+
+    if (Common::FS::Exists(filename.value())) {
+        Common::FS::IOFile file{filename.value(), Common::FS::FileAccessMode::Read,
+                                Common::FS::FileType::BinaryFile};
+        if (!file.IsOpen()) {
+            LOG_ERROR(Frontend, "Failed to open play time file: {}",
+                      Common::FS::PathToUTF8String(filename.value()));
+            return false;
+        }
+
+        const size_t num_elements = file.GetSize() / sizeof(PlayTimeElement);
+        std::vector<PlayTimeElement> elements(num_elements);
+
+        if (file.ReadSpan<PlayTimeElement>(elements) != num_elements) {
+            return false;
+        }
+
+        for (const auto& [program_id, play_time] : elements) {
+            if (program_id != 0) {
+                out_play_time_db[program_id] = play_time;
+            }
+        }
+    }
+
+    return true;
+}
+
+[[nodiscard]] bool WritePlayTimeFile(const PlayTimeDatabase& play_time_db) {
+    const auto filename = GetCurrentUserPlayTimePath();
+
+    if (!filename.has_value()) {
+        LOG_ERROR(Frontend, "Failed to get current user path");
+        return false;
+    }
+
+    Common::FS::IOFile file{filename.value(), Common::FS::FileAccessMode::Write,
+                            Common::FS::FileType::BinaryFile};
+    if (!file.IsOpen()) {
+        LOG_ERROR(Frontend, "Failed to open play time file: {}",
+                  Common::FS::PathToUTF8String(filename.value()));
+        return false;
+    }
+
+    std::vector<PlayTimeElement> elements;
+    elements.reserve(play_time_db.size());
+
+    for (auto& [program_id, play_time] : play_time_db) {
+        if (program_id != 0) {
+            elements.push_back(PlayTimeElement{program_id, play_time});
+        }
+    }
+
+    return file.WriteSpan<PlayTimeElement>(elements) == elements.size();
+}
+
+} // namespace
+
+PlayTimeManager::PlayTimeManager() {
+    if (!ReadPlayTimeFile(database)) {
+        LOG_ERROR(Frontend, "Failed to read play time database! Resetting to default.");
+    }
+}
+
+PlayTimeManager::~PlayTimeManager() {
+    Save();
+}
+
+void PlayTimeManager::SetProgramId(u64 program_id) {
+    running_program_id = program_id;
+}
+
+void PlayTimeManager::Start() {
+    play_time_thread = std::jthread([&](std::stop_token stop_token) { AutoTimestamp(stop_token); });
+}
+
+void PlayTimeManager::Stop() {
+    play_time_thread = {};
+}
+
+void PlayTimeManager::AutoTimestamp(std::stop_token stop_token) {
+    Common::SetCurrentThreadName("PlayTimeReport");
+
+    using namespace std::literals::chrono_literals;
+    using std::chrono::seconds;
+    using std::chrono::steady_clock;
+
+    auto timestamp = steady_clock::now();
+
+    const auto GetDuration = [&]() -> u64 {
+        const auto last_timestamp = std::exchange(timestamp, steady_clock::now());
+        const auto duration = std::chrono::duration_cast<seconds>(timestamp - last_timestamp);
+        return static_cast<u64>(duration.count());
+    };
+
+    while (!stop_token.stop_requested()) {
+        Common::StoppableTimedWait(stop_token, 30s);
+
+        database[running_program_id] += GetDuration();
+        Save();
+    }
+}
+
+void PlayTimeManager::Save() {
+    if (!WritePlayTimeFile(database)) {
+        LOG_ERROR(Frontend, "Failed to update play time database!");
+    }
+}
+
+u64 PlayTimeManager::GetPlayTime(u64 program_id) const {
+    auto it = database.find(program_id);
+    if (it != database.end()) {
+        return it->second;
+    } else {
+        return 0;
+    }
+}
+
+void PlayTimeManager::ResetProgramPlayTime(u64 program_id) {
+    database.erase(program_id);
+    Save();
+}
+
+QString ReadablePlayTime(qulonglong time_seconds) {
+    if (time_seconds == 0) {
+        return {};
+    }
+    const auto time_minutes = std::max(static_cast<double>(time_seconds) / 60, 1.0);
+    const auto time_hours = static_cast<double>(time_seconds) / 3600;
+    const bool is_minutes = time_minutes < 60;
+    const char* unit = is_minutes ? "m" : "h";
+    const auto value = is_minutes ? time_minutes : time_hours;
+
+    return QStringLiteral("%L1 %2")
+        .arg(value, 0, 'f', !is_minutes && time_seconds % 60 != 0)
+        .arg(QString::fromUtf8(unit));
+}
+
+} // namespace PlayTime

src/yuzu/play_time_manager.h

@@ -0,0 +1,44 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QString>
+
+#include <map>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/polyfill_thread.h"
+
+namespace PlayTime {
+
+using ProgramId = u64;
+using PlayTime = u64;
+using PlayTimeDatabase = std::map<ProgramId, PlayTime>;
+
+class PlayTimeManager {
+public:
+    explicit PlayTimeManager();
+    ~PlayTimeManager();
+
+    YUZU_NON_COPYABLE(PlayTimeManager);
+    YUZU_NON_MOVEABLE(PlayTimeManager);
+
+    u64 GetPlayTime(u64 program_id) const;
+    void ResetProgramPlayTime(u64 program_id);
+    void SetProgramId(u64 program_id);
+    void Start();
+    void Stop();
+
+private:
+    PlayTimeDatabase database;
+    u64 running_program_id;
+    std::jthread play_time_thread;
+    void AutoTimestamp(std::stop_token stop_token);
+    void Save();
+};
+
+QString ReadablePlayTime(qulonglong time_seconds);
+
+} // namespace PlayTime

src/yuzu/uisettings.h

@@ -183,6 +183,9 @@ struct Values {
     Setting<bool> show_size{linkage, true, "show_size", Category::UiGameList};
     Setting<bool> show_types{linkage, true, "show_types", Category::UiGameList};
 
+    // Play time
+    Setting<bool> show_play_time{linkage, true, "show_play_time", Category::UiGameList};
+
     bool configuration_applied;
     bool reset_to_defaults;
     bool shortcut_already_warned{false};