Qt/NetPlayDialog: Stop games properly

Source/Core/Core/NetPlayClient.cpp

@@ -1152,6 +1152,15 @@ void NetPlayClient::Stop()
   m_gc_pad_event.Set();
   m_wii_pad_event.Set();
 
+  // Tell the server to stop if we have a pad mapped in game.
+  if (LocalPlayerHasControllerMapped())
+    SendStopGamePacket();
+  else
+    StopGame();
+}
+
+void NetPlayClient::RequestStopGame()
+{
   // Tell the server to stop if we have a pad mapped in game.
   if (LocalPlayerHasControllerMapped())
     SendStopGamePacket();

Source/Core/Core/NetPlayClient.h

@@ -80,6 +80,7 @@ public:
   void Stop();
   bool ChangeGame(const std::string& game);
   void SendChatMessage(const std::string& msg);
+  void RequestStopGame();
 
   // Send and receive pads values
   bool WiimoteUpdate(int _number, u8* data, const u8 size, u8 reporting_mode);

Source/Core/Core/NetPlayServer.cpp

@@ -607,14 +607,17 @@ unsigned int NetPlayServer::OnData(sf::Packet& packet, Client& player)
 
   case NP_MSG_STOP_GAME:
   {
+    if (!m_is_running)
+      break;
+
+    m_is_running = false;
+
     // tell clients to stop game
     sf::Packet spac;
     spac << (MessageId)NP_MSG_STOP_GAME;
 
     std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
     SendToClients(spac);
-
-    m_is_running = false;
   }
   break;
 

Source/Core/DolphinQt2/NetPlay/NetPlayDialog.cpp

@@ -245,8 +245,12 @@ void NetPlayDialog::ConnectWidgets()
   });
 
   connect(&Settings::Instance(), &Settings::EmulationStateChanged, this, [=](Core::State state) {
-    if (state == Core::State::Uninitialized && isVisible())
-      GameStatusChanged(false);
+    if (isVisible())
+    {
+      GameStatusChanged(state != Core::State::Uninitialized);
+      if (state == Core::State::Uninitialized)
+        DisplayMessage(tr("Stopped game"), "red");
+    }
   });
 }
 
@@ -452,11 +456,16 @@ void NetPlayDialog::UpdateGUI()
 
 void NetPlayDialog::BootGame(const std::string& filename)
 {
+  m_got_stop_request = false;
   emit Boot(QString::fromStdString(filename));
 }
 
 void NetPlayDialog::StopGame()
 {
+  if (m_got_stop_request)
+    return;
+
+  m_got_stop_request = true;
   emit Stop();
 }
 
@@ -508,6 +517,9 @@ void NetPlayDialog::OnMsgChangeGame(const std::string& title)
 
 void NetPlayDialog::GameStatusChanged(bool running)
 {
+  if (!running && !m_got_stop_request)
+    Settings::Instance().GetNetPlayClient()->RequestStopGame();
+
   QueueOnObject(this, [this, running] {
     if (Settings::Instance().GetNetPlayServer() != nullptr)
     {
@@ -525,7 +537,6 @@ void NetPlayDialog::GameStatusChanged(bool running)
 void NetPlayDialog::OnMsgStartGame()
 {
   DisplayMessage(tr("Started game"), "green");
-  GameStatusChanged(true);
 
   QueueOnObject(this, [this] {
     Settings::Instance().GetNetPlayClient()->StartGame(FindGame(m_current_game));
@@ -534,8 +545,6 @@ void NetPlayDialog::OnMsgStartGame()
 
 void NetPlayDialog::OnMsgStopGame()
 {
-  DisplayMessage(tr("Stopped game"), "red");
-  GameStatusChanged(false);
 }
 
 void NetPlayDialog::OnPadBufferChanged(u32 buffer)

Source/Core/DolphinQt2/NetPlay/NetPlayDialog.h

@@ -109,5 +109,6 @@ private:
   GameListModel* m_game_list_model = nullptr;
   bool m_use_traversal = false;
   bool m_is_copy_button_retry = false;
+  bool m_got_stop_request = true;
   int m_buffer_size = 0;
 };