HostInterface: Fix crash on startup with controller connected

android/app/src/cpp/android_host_interface.cpp

@@ -1,9 +1,9 @@
 #include "android_host_interface.h"
 #include "android_gles_host_display.h"
 #include "common/assert.h"
+#include "common/audio_stream.h"
 #include "common/log.h"
 #include "common/string.h"
-#include "common/audio_stream.h"
 #include "core/controller.h"
 #include "core/game_list.h"
 #include "core/gpu.h"
@@ -67,11 +67,6 @@ bool AndroidHostInterface::Initialize()
   if (!HostInterface::Initialize())
     return false;
 
-  // check settings version, if invalid set defaults, then load settings
-  INISettingsInterface settings_interface(GetSettingsFileName());
-  CheckSettings(settings_interface);
-  UpdateSettings([this, &settings_interface]() { m_settings.Load(settings_interface); });
-
   return true;
 }
 
@@ -96,14 +91,22 @@ void AndroidHostInterface::SetUserDirectory()
   m_user_directory = "/sdcard/duckstation";
 }
 
+void AndroidHostInterface::LoadSettings()
+{
+  // check settings version, if invalid set defaults, then load settings
+  INISettingsInterface settings_interface(GetSettingsFileName());
+  CheckSettings(settings_interface);
+  UpdateSettings([this, &settings_interface]() { m_settings.Load(settings_interface); });
+}
+
 bool AndroidHostInterface::StartEmulationThread(ANativeWindow* initial_surface, SystemBootParameters boot_params)
 {
   Assert(!IsEmulationThreadRunning());
 
   Log_DevPrintf("Starting emulation thread...");
   m_emulation_thread_stop_request.store(false);
-  m_emulation_thread = std::thread(&AndroidHostInterface::EmulationThreadEntryPoint, this, initial_surface,
-                                   std::move(boot_params));
+  m_emulation_thread =
+    std::thread(&AndroidHostInterface::EmulationThreadEntryPoint, this, initial_surface, std::move(boot_params));
   m_emulation_thread_started.Wait();
   if (!m_emulation_thread_start_result.load())
   {

android/app/src/cpp/android_host_interface.h

@@ -36,6 +36,7 @@ public:
 
 protected:
   void SetUserDirectory() override;
+  void LoadSettings() override;
   bool AcquireHostDisplay() override;
   void ReleaseHostDisplay() override;
   std::unique_ptr<AudioStream> CreateAudioStream(AudioBackend backend) override;

src/core/host_interface.cpp

@@ -61,6 +61,7 @@ bool HostInterface::Initialize()
 {
   SetUserDirectory();
   InitializeUserDirectory();
+  LoadSettings();
   m_game_list = std::make_unique<GameList>();
   m_game_list->SetCacheFilename(GetGameListCacheFileName());
   m_game_list->SetDatabaseFilename(GetGameListDatabaseFileName());

src/core/host_interface.h

@@ -158,8 +158,8 @@ protected:
   /// Sets the base path for the user directory. Can be overridden by platform/frontend/command line.
   virtual void SetUserDirectory();
 
-  /// Ensures all subdirectories of the user directory are created.
-  void CreateUserDirectorySubdirectories();
+  /// Performs the initial load of settings. Should call CheckSettings() and m_settings.Load().
+  virtual void LoadSettings() = 0;
 
   /// Returns the path of the settings file.
   std::string GetSettingsFileName() const;

src/duckstation-qt/qthostinterface.cpp

@@ -59,22 +59,6 @@ bool QtHostInterface::initializeOnThread()
   if (m_controller_interface)
     m_controller_interface->PollEvents();
 
-  // no need to lock here because the main thread is waiting for us
-  m_qsettings = std::make_unique<QSettings>(QString::fromStdString(GetSettingsFileName()), QSettings::IniFormat);
-  QtSettingsInterface si(m_qsettings.get());
-
-  // check settings validity
-  const QSettings::Status settings_status = m_qsettings->status();
-  if (settings_status != QSettings::NoError)
-  {
-    m_qsettings->clear();
-    SetDefaultSettings(si);
-  }
-
-  // load in settings
-  CheckSettings(si);
-  m_settings.Load(si);
-
   // bind buttons/axises
   updateInputMap();
   return true;
@@ -417,6 +401,25 @@ void QtHostInterface::OnSystemStateSaved(bool global, s32 slot)
   emit stateSaved(QString::fromStdString(m_system->GetRunningCode()), global, slot);
 }
 
+void QtHostInterface::LoadSettings()
+{
+  // no need to lock here because the main thread is waiting for us
+  m_qsettings = std::make_unique<QSettings>(QString::fromStdString(GetSettingsFileName()), QSettings::IniFormat);
+  QtSettingsInterface si(m_qsettings.get());
+
+  // check settings validity
+  const QSettings::Status settings_status = m_qsettings->status();
+  if (settings_status != QSettings::NoError)
+  {
+    m_qsettings->clear();
+    SetDefaultSettings(si);
+  }
+
+  // load in settings
+  CheckSettings(si);
+  m_settings.Load(si);
+}
+
 void QtHostInterface::SetDefaultSettings(SettingsInterface& si)
 {
   CommonHostInterface::SetDefaultSettings(si);

src/duckstation-qt/qthostinterface.h

@@ -133,6 +133,7 @@ protected:
   void OnRunningGameChanged() override;
   void OnSystemStateSaved(bool global, s32 slot) override;
 
+  void LoadSettings() override;
   void SetDefaultSettings(SettingsInterface& si) override;
   void UpdateInputMap() override;
 

src/duckstation-sdl/sdl_host_interface.cpp

@@ -295,12 +295,6 @@ bool SDLHostInterface::Initialize()
   if (!FileSystem::SetWorkingDirectory(m_user_directory.c_str()))
     Log_ErrorPrintf("Failed to set working directory to '%s'", m_user_directory.c_str());
 
-  // Settings need to be loaded prior to creating the window for OpenGL bits.
-  INISettingsInterface si(GetSettingsFileName());
-  m_settings_copy.Load(si);
-  m_settings = m_settings_copy;
-  m_fullscreen = m_settings_copy.start_fullscreen;
-
   if (!CreateSDLWindow())
   {
     Log_ErrorPrintf("Failed to create SDL window");
@@ -334,6 +328,15 @@ void SDLHostInterface::Shutdown()
   HostInterface::Shutdown();
 }
 
+void SDLHostInterface::LoadSettings()
+{
+  // Settings need to be loaded prior to creating the window for OpenGL bits.
+  INISettingsInterface si(GetSettingsFileName());
+  m_settings_copy.Load(si);
+  m_settings = m_settings_copy;
+  m_fullscreen = m_settings_copy.start_fullscreen;
+}
+
 void SDLHostInterface::ReportError(const char* message)
 {
   SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "DuckStation", message, m_window);

src/duckstation-sdl/sdl_host_interface.h

@@ -29,19 +29,21 @@ public:
   void ReportMessage(const char* message) override;
   bool ConfirmMessage(const char* message) override;
 
-  bool Initialize();
+  bool Initialize() override;
   void Shutdown() override;
 
   void Run();
 
 protected:
+  void LoadSettings() override;
+
   bool AcquireHostDisplay() override;
   void ReleaseHostDisplay() override;
   std::unique_ptr<AudioStream> CreateAudioStream(AudioBackend backend) override;
 
   void OnSystemCreated() override;
   void OnSystemPaused(bool paused) override;
-  void OnSystemDestroyed();
+  void OnSystemDestroyed() override;
   void OnControllerTypeChanged(u32 slot) override;
 
 private: