Introduced EmulatorState (#223)

CMakeLists.txt

@@ -299,6 +299,8 @@ set(CORE src/core/file_format/elf.cpp
          src/core/file_format/psf.h
          src/core/file_format/trp.cpp
          src/core/file_format/trp.h
+         src/core/emulator_state.cpp
+         src/core/emulator_state.h
 )
 
 set(INPUT src/input/controller.cpp

src/common/config.cpp

@@ -222,15 +222,6 @@ static string config_version = Common::g_scm_rev;
 // These entries aren't stored in the config
 static bool overrideControllerColor = false;
 static int controllerCustomColorRGB[3] = {0, 0, 255};
-static bool isGameRunning = false;
-
-bool getGameRunning() {
-    return isGameRunning;
-}
-
-void setGameRunning(bool running) {
-    isGameRunning = running;
-}
 
 std::filesystem::path getSysModulesPath() {
     if (sys_modules_path.empty()) {

src/common/config.h

@@ -27,8 +27,6 @@ void load(const std::filesystem::path& path, bool is_game_specific = false);
 void save(const std::filesystem::path& path, bool is_game_specific = false);
 void resetGameSpecificValue(std::string entry);
 
-bool getGameRunning();
-void setGameRunning(bool running);
 int getVolumeSlider();
 void setVolumeSlider(int volumeValue, bool is_game_specific = false);
 std::string getTrophyKey();

src/core/emulator_state.cpp

@@ -0,0 +1,30 @@
+// SPDX-FileCopyrightText: Copyright 2025 shadLauncher4 Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "emulator_state.h"
+
+std::shared_ptr<EmulatorState> EmulatorState::s_instance = nullptr;
+std::mutex EmulatorState::s_mutex;
+
+EmulatorState::EmulatorState() {}
+
+EmulatorState::~EmulatorState() {}
+
+std::shared_ptr<EmulatorState> EmulatorState::GetInstance() {
+    std::lock_guard<std::mutex> lock(s_mutex);
+    if (!s_instance)
+        s_instance = std::make_shared<EmulatorState>();
+    return s_instance;
+}
+
+void EmulatorState::SetInstance(std::shared_ptr<EmulatorState> instance) {
+    std::lock_guard<std::mutex> lock(s_mutex);
+    s_instance = instance;
+}
+
+bool EmulatorState::IsGameRunning() const {
+    return m_running;
+}
+void EmulatorState::SetGameRunning(bool running) {
+    m_running = running;
+}

src/core/emulator_state.h

@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: Copyright 2025 shadLauncher4 Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+#include <mutex>
+
+class EmulatorState {
+public:
+    EmulatorState();
+    ~EmulatorState();
+
+    static std::shared_ptr<EmulatorState> GetInstance();
+    static void SetInstance(std::shared_ptr<EmulatorState> instance);
+
+    bool IsGameRunning() const;
+    void SetGameRunning(bool running);
+
+private:
+    static std::shared_ptr<EmulatorState> s_instance;
+    static std::mutex s_mutex;
+
+    // state variables
+    bool m_running = false;
+};

src/main.cpp

@@ -13,6 +13,7 @@
 #ifdef _WIN32
 #include <windows.h>
 #endif
+#include <core/emulator_state.h>
 
 // Custom message handler to ignore Qt logs
 void customMessageHandler(QtMsgType, const QMessageLogContext&, const QString&) {}
@@ -29,6 +30,8 @@ int main(int argc, char* argv[]) {
     QApplication a(argc, argv);
 
     QApplication::setDesktopFileName("net.shadps4.qtlauncher");
+    std::shared_ptr<EmulatorState> m_emu_state = std::make_shared<EmulatorState>();
+    EmulatorState::SetInstance(m_emu_state);
 
     // Load configurations and initialize Qt application
     const auto user_dir = Common::FS::GetUserPath(Common::FS::PathType::UserDir);

src/qt_gui/cheats_patches.cpp

@@ -32,6 +32,7 @@
 #include "common/logging/log.h"
 #include "common/memory_patcher.h"
 #include "common/path_util.h"
+#include "core/emulator_state.h"
 
 CheatsPatches::CheatsPatches(std::shared_ptr<gui_settings> gui_settings,
                              std::shared_ptr<IpcClient> ipc_client, const QString& gameName,
@@ -1246,7 +1247,7 @@ void CheatsPatches::applyCheat(const QString& modName, bool enabled) {
     if (!m_cheats.contains(modName))
         return;
 
-    if (!Config::getGameRunning() && enabled) {
+    if (!EmulatorState::GetInstance()->IsGameRunning() && enabled) {
         QMessageBox::critical(this, tr("Error"),
                               tr("Can't apply cheats before the game is started"));
         uncheckAllCheatCheckBoxes();
@@ -1262,7 +1263,7 @@ void CheatsPatches::applyCheat(const QString& modName, bool enabled) {
         std::string offsetStr = memoryMod.offset.toStdString();
         std::string valueStr = value.toStdString();
 
-        if (!Config::getGameRunning())
+        if (!EmulatorState::GetInstance()->IsGameRunning())
             return;
 
         // Determine if the hint field is present

src/qt_gui/gui_context_menus.h

@@ -19,6 +19,7 @@
 #include "common/path_util.h"
 #include "common/scm_rev.h"
 #include "compatibility_info.h"
+#include "core/emulator_state.h"
 #include "create_shortcut.h"
 #include "game_info.h"
 #include "gui_settings.h"
@@ -446,9 +447,9 @@ public:
         }
 
         if (selected == &gameConfigConfigure || selected == &gameConfigCreate) {
-            auto settingsWindow =
-                new SettingsDialog(m_gui_settings, m_compat_info, m_ipc_client, widget,
-                                   Config::getGameRunning(), true, serialStr.toStdString());
+            auto settingsWindow = new SettingsDialog(
+                m_gui_settings, m_compat_info, m_ipc_client, widget,
+                EmulatorState::GetInstance()->IsGameRunning(), true, serialStr.toStdString());
             settingsWindow->exec();
         }
 

src/qt_gui/main_window.cpp

@@ -18,6 +18,7 @@
 #include "common/scm_rev.h"
 #include "common/versions.h"
 #include "control_settings.h"
+#include "core/emulator_state.h"
 #include "dimensions_dialog.h"
 #include "game_install_dialog.h"
 #include "hotkeys.h"
@@ -140,7 +141,7 @@ void MainWindow::StopGame() {
 }
 
 void MainWindow::onGameClosed() {
-    Config::setGameRunning(false);
+    EmulatorState::GetInstance()->SetGameRunning(false);
     is_paused = false;
 
     // clear dialogs when game closed
@@ -160,7 +161,7 @@ void MainWindow::toggleLabelsUnderIcons() {
     bool showLabels = ui->toggleLabelsAct->isChecked();
     m_gui_settings->SetValue(gui::mw_showLabelsUnderIcons, showLabels);
     UpdateToolbarLabels();
-    if (Config::getGameRunning()) {
+    if (EmulatorState::GetInstance()->IsGameRunning()) {
         UpdateToolbarButtons();
     }
 }
@@ -485,7 +486,7 @@ void MainWindow::CreateConnects() {
 
     connect(ui->configureAct, &QAction::triggered, this, [this]() {
         auto settingsDialog = new SettingsDialog(m_gui_settings, m_compat_info, m_ipc_client, this,
-                                                 Config::getGameRunning());
+                                                 EmulatorState::GetInstance()->IsGameRunning());
 
         connect(settingsDialog, &SettingsDialog::LanguageChanged, this,
                 &MainWindow::OnLanguageChanged);
@@ -520,7 +521,7 @@ void MainWindow::CreateConnects() {
 
     connect(ui->settingsButton, &QPushButton::clicked, this, [this]() {
         auto settingsDialog = new SettingsDialog(m_gui_settings, m_compat_info, m_ipc_client, this,
-                                                 Config::getGameRunning());
+                                                 EmulatorState::GetInstance()->IsGameRunning());
 
         connect(settingsDialog, &SettingsDialog::LanguageChanged, this,
                 &MainWindow::OnLanguageChanged);
@@ -555,13 +556,15 @@ void MainWindow::CreateConnects() {
 
     connect(ui->controllerButton, &QPushButton::clicked, this, [this]() {
         ControlSettings* remapWindow = new ControlSettings(
-            m_game_info, m_ipc_client, Config::getGameRunning(), runningGameSerial, this);
+            m_game_info, m_ipc_client, EmulatorState::GetInstance()->IsGameRunning(),
+            runningGameSerial, this);
         remapWindow->exec();
     });
 
     connect(ui->keyboardButton, &QPushButton::clicked, this, [this]() {
-        auto kbmWindow = new KBMSettings(m_game_info, m_ipc_client, Config::getGameRunning(),
-                                         runningGameSerial, this);
+        auto kbmWindow =
+            new KBMSettings(m_game_info, m_ipc_client,
+                            EmulatorState::GetInstance()->IsGameRunning(), runningGameSerial, this);
         kbmWindow->exec();
     });
 
@@ -584,7 +587,8 @@ void MainWindow::CreateConnects() {
     });
 
     connect(ui->configureHotkeys, &QAction::triggered, this, [this]() {
-        auto hotkeyDialog = new Hotkeys(m_ipc_client, Config::getGameRunning(), this);
+        auto hotkeyDialog =
+            new Hotkeys(m_ipc_client, EmulatorState::GetInstance()->IsGameRunning(), this);
         hotkeyDialog->exec();
     });
 
@@ -1338,7 +1342,7 @@ bool MainWindow::eventFilter(QObject* obj, QEvent* event) {
 }
 
 void MainWindow::StartEmulator(std::filesystem::path path, QStringList args) {
-    if (Config::getGameRunning()) {
+    if (EmulatorState::GetInstance()->IsGameRunning()) {
         QMessageBox::critical(nullptr, tr("Run Game"), QString(tr("Game is already running!")));
         return;
     }
@@ -1366,7 +1370,7 @@ tr("No emulator version was selected.\nThe Version Manager menu will then open.\
 
     final_args.append(args);
 
-    Config::setGameRunning(true);
+    EmulatorState::GetInstance()->SetGameRunning(true);
     last_game_path = path;
 
     QString workDir = QDir::currentPath();
@@ -1376,7 +1380,7 @@ tr("No emulator version was selected.\nThe Version Manager menu will then open.\
 
 void MainWindow::StartEmulatorExecutable(std::filesystem::path emuPath, QString gameArg,
                                          QStringList args, bool disable_ipc) {
-    if (Config::getGameRunning()) {
+    if (EmulatorState::GetInstance()->IsGameRunning()) {
         QMessageBox::critical(nullptr, tr("Run Emulator"),
                               QString(tr("Emulator is already running!")));
         return;
@@ -1436,7 +1440,7 @@ void MainWindow::StartEmulatorExecutable(std::filesystem::path emuPath, QString
         return;
     }
 
-    Config::setGameRunning(true);
+    EmulatorState::GetInstance()->SetGameRunning(true);
     QString workDir = QDir::currentPath();
     m_ipc_client->startEmulator(fileInfo, args, workDir, disable_ipc);
 }

src/qt_gui/settings_dialog.cpp

@@ -22,6 +22,7 @@
 #include "background_music_player.h"
 #include "common/logging/backend.h"
 #include "common/logging/filter.h"
+#include "core/emulator_state.h"
 #include "log_presets_dialog.h"
 #include "sdl_event_wrapper.h"
 #include "settings_dialog.h"
@@ -243,7 +244,7 @@ SettingsDialog::SettingsDialog(std::shared_ptr<gui_settings> gui_settings,
         connect(ui->horizontalVolumeSlider, &QSlider::valueChanged, this, [this](int value) {
             VolumeSliderChange(value);
 
-            if (Config::getGameRunning())
+            if (EmulatorState::GetInstance()->IsGameRunning())
                 m_ipc_client->adjustVol(value, is_game_specific);
         });
 
@@ -448,7 +449,7 @@ SettingsDialog::SettingsDialog(std::shared_ptr<gui_settings> gui_settings,
         ui->RCASValue->setText(RCASValue);
     });
 
-    if (Config::getGameRunning()) {
+    if (EmulatorState::GetInstance()->IsGameRunning()) {
         connect(ui->RCASSlider, &QSlider::valueChanged, this,
                 [this](int value) { m_ipc_client->setRcasAttenuation(value); });
         connect(ui->FSRCheckBox, &QCheckBox::checkStateChanged, this,
@@ -1213,7 +1214,7 @@ void SettingsDialog::SyncRealTimeWidgetstoConfig() {
     is_game_specific ? Config::resetGameSpecificValue("volumeSlider")
                      : Config::setVolumeSlider(sliderValue);
 
-    if (Config::getGameRunning()) {
+    if (EmulatorState::GetInstance()->IsGameRunning()) {
         m_ipc_client->setFsr(toml::find_or<bool>(gs_data, "GPU", "fsrEnabled", true));
         m_ipc_client->setRcas(toml::find_or<bool>(gs_data, "GPU", "rcasEnabled", true));
         m_ipc_client->setRcasAttenuation(