1 files changed, 172 insertions, 19 deletions

diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 08ccc1555..f8c234082 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -1,6 +1,5 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: 2014 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <cinttypes>
 #include <clocale>
@@ -9,6 +8,10 @@
 #ifdef __APPLE__
 #include <unistd.h> // for chdir
 #endif
+#ifdef __linux__
+#include <csignal>
+#include <sys/socket.h>
+#endif
 
 // VFS includes must be before glad as they will conflict with Windows file api, which uses defines.
 #include "applets/qt_controller.h"
@@ -32,6 +35,7 @@
 #include "core/hle/service/am/applet_ae.h"
 #include "core/hle/service/am/applet_oe.h"
 #include "core/hle/service/am/applets/applets.h"
+#include "yuzu/multiplayer/state.h"
 #include "yuzu/util/controller_navigation.h"
 
 // These are wrappers to avoid the calls to CreateDirectory and CreateFile because of the Windows
@@ -115,7 +119,6 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "video_core/shader_notify.h"
 #include "yuzu/about_dialog.h"
 #include "yuzu/bootmanager.h"
-#include "yuzu/check_vulkan.h"
 #include "yuzu/compatdb.h"
 #include "yuzu/compatibility_list.h"
 #include "yuzu/configuration/config.h"
@@ -131,7 +134,9 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "yuzu/install_dialog.h"
 #include "yuzu/loading_screen.h"
 #include "yuzu/main.h"
+#include "yuzu/startup_checks.h"
 #include "yuzu/uisettings.h"
+#include "yuzu/util/clickable_label.h"
 
 using namespace Common::Literals;
 
@@ -252,12 +257,16 @@ static QString PrettyProductName() {
     return QSysInfo::prettyProductName();
 }
 
-GMainWindow::GMainWindow()
+GMainWindow::GMainWindow(bool has_broken_vulkan)
     : ui{std::make_unique<Ui::MainWindow>()}, system{std::make_unique<Core::System>()},
       input_subsystem{std::make_shared<InputCommon::InputSubsystem>()},
       config{std::make_unique<Config>(*system)},
       vfs{std::make_shared<FileSys::RealVfsFilesystem>()},
       provider{std::make_unique<FileSys::ManualContentProvider>()} {
+#ifdef __linux__
+    SetupSigInterrupts();
+#endif
+
     Common::Log::Initialize();
     LoadTranslation();
 
@@ -271,6 +280,8 @@ GMainWindow::GMainWindow()
     SetDiscordEnabled(UISettings::values.enable_discord_presence.GetValue());
     discord_rpc->Update();
 
+    system->GetRoomNetwork().Init();
+
     RegisterMetaTypes();
 
     InitializeWidgets();
@@ -352,17 +363,15 @@ GMainWindow::GMainWindow()
 
     MigrateConfigFiles();
 
-    if (!CheckVulkan()) {
-        config->Save();
+    if (has_broken_vulkan) {
+        UISettings::values.has_broken_vulkan = true;
+
+        QMessageBox::warning(this, tr("Broken Vulkan Installation Detected"),
+                             tr("Vulkan initialization failed during boot.<br><br>Click <a "
+                                "href='https://yuzu-emu.org/wiki/faq/"
+                                "#yuzu-starts-with-the-error-broken-vulkan-installation-detected'>"
+                                "here for instructions to fix the issue</a>."));
 
-        QMessageBox::warning(
-            this, tr("Broken Vulkan Installation Detected"),
-            tr("Vulkan initialization failed on the previous boot.<br><br>Click <a "
-               "href='https://yuzu-emu.org/wiki/faq/"
-               "#yuzu-starts-with-the-error-broken-vulkan-installation-detected'>here for "
-               "instructions to fix the issue</a>."));
-    }
-    if (UISettings::values.has_broken_vulkan) {
         Settings::values.renderer_backend = Settings::RendererBackend::OpenGL;
 
         renderer_status_button->setDisabled(true);
@@ -377,6 +386,8 @@ GMainWindow::GMainWindow()
     SDL_EnableScreenSaver();
 #endif
 
+    SetupPrepareForSleep();
+
     Common::Log::Start();
 
     QStringList args = QApplication::arguments();
@@ -461,6 +472,13 @@ GMainWindow::~GMainWindow() {
     if (render_window->parent() == nullptr) {
         delete render_window;
     }
+
+    system->GetRoomNetwork().Shutdown();
+
+#ifdef __linux__
+    ::close(sig_interrupt_fds[0]);
+    ::close(sig_interrupt_fds[1]);
+#endif
 }
 
 void GMainWindow::RegisterMetaTypes() {
@@ -824,6 +842,10 @@ void GMainWindow::InitializeWidgets() {
         }
     });
 
+    multiplayer_state = new MultiplayerState(this, game_list->GetModel(), ui->action_Leave_Room,
+                                             ui->action_Show_Room, system->GetRoomNetwork());
+    multiplayer_state->setVisible(false);
+
     // Create status bar
     message_label = new QLabel();
     // Configured separately for left alignment
@@ -856,6 +878,10 @@ void GMainWindow::InitializeWidgets() {
         statusBar()->addPermanentWidget(label);
     }
 
+    // TODO (flTobi): Add the widget when multiplayer is fully implemented
+    // statusBar()->addPermanentWidget(multiplayer_state->GetStatusText(), 0);
+    // statusBar()->addPermanentWidget(multiplayer_state->GetStatusIcon(), 0);
+
     tas_label = new QLabel();
     tas_label->setObjectName(QStringLiteral("TASlabel"));
     tas_label->setFocusPolicy(Qt::NoFocus);
@@ -1050,12 +1076,26 @@ void GMainWindow::InitializeHotkeys() {
                      [] { Settings::values.audio_muted = !Settings::values.audio_muted; });
     connect_shortcut(QStringLiteral("Audio Volume Down"), [] {
         const auto current_volume = static_cast<int>(Settings::values.volume.GetValue());
-        const auto new_volume = std::max(current_volume - 5, 0);
+        int step = 5;
+        if (current_volume <= 30) {
+            step = 2;
+        }
+        if (current_volume <= 6) {
+            step = 1;
+        }
+        const auto new_volume = std::max(current_volume - step, 0);
         Settings::values.volume.SetValue(static_cast<u8>(new_volume));
     });
     connect_shortcut(QStringLiteral("Audio Volume Up"), [] {
         const auto current_volume = static_cast<int>(Settings::values.volume.GetValue());
-        const auto new_volume = std::min(current_volume + 5, 100);
+        int step = 5;
+        if (current_volume < 30) {
+            step = 2;
+        }
+        if (current_volume < 6) {
+            step = 1;
+        }
+        const auto new_volume = std::min(current_volume + step, 100);
         Settings::values.volume.SetValue(static_cast<u8>(new_volume));
     });
     connect_shortcut(QStringLiteral("Toggle Framerate Limit"), [] {
@@ -1165,6 +1205,8 @@ void GMainWindow::ConnectWidgetEvents() {
     connect(game_list_placeholder, &GameListPlaceholder::AddDirectory, this,
             &GMainWindow::OnGameListAddDirectory);
     connect(game_list, &GameList::ShowList, this, &GMainWindow::OnGameListShowList);
+    connect(game_list, &GameList::PopulatingCompleted,
+            [this] { multiplayer_state->UpdateGameList(game_list->GetModel()); });
 
     connect(game_list, &GameList::OpenPerGameGeneralRequested, this,
             &GMainWindow::OnGameListOpenPerGameProperties);
@@ -1182,6 +1224,9 @@ void GMainWindow::ConnectWidgetEvents() {
     connect(this, &GMainWindow::EmulationStopping, this, &GMainWindow::SoftwareKeyboardExit);
 
     connect(&status_bar_update_timer, &QTimer::timeout, this, &GMainWindow::UpdateStatusBar);
+
+    connect(this, &GMainWindow::UpdateThemedIcons, multiplayer_state,
+            &MultiplayerState::UpdateThemedIcons);
 }
 
 void GMainWindow::ConnectMenuEvents() {
@@ -1225,6 +1270,18 @@ void GMainWindow::ConnectMenuEvents() {
                                             ui->action_Reset_Window_Size_900,
                                             ui->action_Reset_Window_Size_1080});
 
+    // Multiplayer
+    connect(ui->action_View_Lobby, &QAction::triggered, multiplayer_state,
+            &MultiplayerState::OnViewLobby);
+    connect(ui->action_Start_Room, &QAction::triggered, multiplayer_state,
+            &MultiplayerState::OnCreateRoom);
+    connect(ui->action_Leave_Room, &QAction::triggered, multiplayer_state,
+            &MultiplayerState::OnCloseRoom);
+    connect(ui->action_Connect_To_Room, &QAction::triggered, multiplayer_state,
+            &MultiplayerState::OnDirectConnectToRoom);
+    connect(ui->action_Show_Room, &QAction::triggered, multiplayer_state,
+            &MultiplayerState::OnOpenNetworkRoom);
+
     // Tools
     connect_menu(ui->action_Rederive, std::bind(&GMainWindow::OnReinitializeKeys, this,
                                                 ReinitializeKeyBehavior::Warning));
@@ -1286,6 +1343,43 @@ void GMainWindow::OnDisplayTitleBars(bool show) {
     }
 }
 
+void GMainWindow::SetupPrepareForSleep() {
+#ifdef __linux__
+    auto bus = QDBusConnection::systemBus();
+    if (bus.isConnected()) {
+        const bool success = bus.connect(
+            QStringLiteral("org.freedesktop.login1"), QStringLiteral("/org/freedesktop/login1"),
+            QStringLiteral("org.freedesktop.login1.Manager"), QStringLiteral("PrepareForSleep"),
+            QStringLiteral("b"), this, SLOT(OnPrepareForSleep(bool)));
+
+        if (!success) {
+            LOG_WARNING(Frontend, "Couldn't register PrepareForSleep signal");
+        }
+    } else {
+        LOG_WARNING(Frontend, "QDBusConnection system bus is not connected");
+    }
+#endif // __linux__
+}
+
+void GMainWindow::OnPrepareForSleep(bool prepare_sleep) {
+    if (emu_thread == nullptr) {
+        return;
+    }
+
+    if (prepare_sleep) {
+        if (emu_thread->IsRunning()) {
+            auto_paused = true;
+            OnPauseGame();
+        }
+    } else {
+        if (!emu_thread->IsRunning() && auto_paused) {
+            auto_paused = false;
+            RequestGameResume();
+            OnStartGame();
+        }
+    }
+}
+
 #ifdef __linux__
 static std::optional<QDBusObjectPath> HoldWakeLockLinux(u32 window_id = 0) {
     if (!QDBusConnection::sessionBus().isConnected()) {
@@ -1325,6 +1419,52 @@ static void ReleaseWakeLockLinux(QDBusObjectPath lock) {
                             QString::fromLatin1("org.freedesktop.portal.Request"));
     unlocker.call(QString::fromLatin1("Close"));
 }
+
+std::array<int, 3> GMainWindow::sig_interrupt_fds{0, 0, 0};
+
+void GMainWindow::SetupSigInterrupts() {
+    if (sig_interrupt_fds[2] == 1) {
+        return;
+    }
+    socketpair(AF_UNIX, SOCK_STREAM, 0, sig_interrupt_fds.data());
+    sig_interrupt_fds[2] = 1;
+
+    struct sigaction sa;
+    sa.sa_handler = &GMainWindow::HandleSigInterrupt;
+    sigemptyset(&sa.sa_mask);
+    sa.sa_flags = SA_RESETHAND;
+    sigaction(SIGINT, &sa, nullptr);
+    sigaction(SIGTERM, &sa, nullptr);
+
+    sig_interrupt_notifier = new QSocketNotifier(sig_interrupt_fds[1], QSocketNotifier::Read, this);
+    connect(sig_interrupt_notifier, &QSocketNotifier::activated, this,
+            &GMainWindow::OnSigInterruptNotifierActivated);
+    connect(this, &GMainWindow::SigInterrupt, this, &GMainWindow::close);
+}
+
+void GMainWindow::HandleSigInterrupt(int sig) {
+    if (sig == SIGINT) {
+        exit(1);
+    }
+
+    // Calling into Qt directly from a signal handler is not safe,
+    // so wake up a QSocketNotifier with this hacky write call instead.
+    char a = 1;
+    int ret = write(sig_interrupt_fds[0], &a, sizeof(a));
+    (void)ret;
+}
+
+void GMainWindow::OnSigInterruptNotifierActivated() {
+    sig_interrupt_notifier->setEnabled(false);
+
+    char a;
+    int ret = read(sig_interrupt_fds[1], &a, sizeof(a));
+    (void)ret;
+
+    sig_interrupt_notifier->setEnabled(true);
+
+    emit SigInterrupt();
+}
 #endif // __linux__
 
 void GMainWindow::PreventOSSleep() {
@@ -2785,7 +2925,8 @@ void GMainWindow::OnConfigure() {
     const bool old_discord_presence = UISettings::values.enable_discord_presence.GetValue();
 
     Settings::SetConfiguringGlobal(true);
-    ConfigureDialog configure_dialog(this, hotkey_registry, input_subsystem.get(), *system);
+    ConfigureDialog configure_dialog(this, hotkey_registry, input_subsystem.get(), *system,
+                                     !multiplayer_state->IsHostingPublicRoom());
     connect(&configure_dialog, &ConfigureDialog::LanguageChanged, this,
             &GMainWindow::OnLanguageChanged);
 
@@ -2842,6 +2983,11 @@ void GMainWindow::OnConfigure() {
     if (UISettings::values.enable_discord_presence.GetValue() != old_discord_presence) {
         SetDiscordEnabled(UISettings::values.enable_discord_presence.GetValue());
     }
+
+    if (!multiplayer_state->IsHostingPublicRoom()) {
+        multiplayer_state->UpdateCredentials();
+    }
+
     emit UpdateThemedIcons();
 
     const auto reload = UISettings::values.is_game_list_reload_pending.exchange(false);
@@ -3662,6 +3808,7 @@ void GMainWindow::closeEvent(QCloseEvent* event) {
     }
 
     render_window->close();
+    multiplayer_state->Close();
 
     QWidget::closeEvent(event);
 }
@@ -3858,6 +4005,7 @@ void GMainWindow::OnLanguageChanged(const QString& locale) {
     UISettings::values.language = locale;
     LoadTranslation();
     ui->retranslateUi(this);
+    multiplayer_state->retranslateUi();
     UpdateWindowTitle();
 }
 
@@ -3879,6 +4027,11 @@ void GMainWindow::SetDiscordEnabled([[maybe_unused]] bool state) {
 #endif
 
 int main(int argc, char* argv[]) {
+    bool has_broken_vulkan = false;
+    if (StartupChecks(argv[0], &has_broken_vulkan)) {
+        return 0;
+    }
+
     Common::DetachedTasks detached_tasks;
     MicroProfileOnThreadCreate("Frontend");
     SCOPE_EXIT({ MicroProfileShutdown(); });
@@ -3918,7 +4071,7 @@ int main(int argc, char* argv[]) {
     // generating shaders
     setlocale(LC_ALL, "C");
 
-    GMainWindow main_window{};
+    GMainWindow main_window{has_broken_vulkan};
     // After settings have been loaded by GMainWindow, apply the filter
     main_window.show();