Merge branch 'fix/invalidate-display-log-actor' into 'develop'

Invalidate display log actor after world is finished

See merge request VR-Group/unreal-development/plugins/universallogging!19

Source/UniversalLogging/Private/UniversalLogging.cpp

@@ -20,6 +20,7 @@ void UniversalLoggingImpl::StartupModule()
 
   FWorldDelegates::OnPostWorldInitialization.AddRaw(this, &UniversalLoggingImpl::OnWorldStart);
   FWorldDelegates::OnWorldPostActorTick.AddRaw(this, &UniversalLoggingImpl::OnPostActorTick);
+  FWorldDelegates::OnWorldCleanup.AddRaw(this, &UniversalLoggingImpl::OnWorldEnd);
 
 #if WITH_EDITOR
   FEditorDelegates::BeginPIE.AddRaw(this, &UniversalLoggingImpl::OnSessionStart);
@@ -52,6 +53,11 @@ void UniversalLoggingImpl::OnWorldStart(UWorld* World, const UWorld::Initializat
     ResetSessionId("Play");
 }
 
+void UniversalLoggingImpl::OnWorldEnd(UWorld*, bool bSessionEnded, bool bCleanupResources)
+{
+  On_Screen_Log_Actor = nullptr;
+}
+
 void UniversalLoggingImpl::OnSessionStart(const bool)
 {
   Session_ID = "";

Source/UniversalLogging/Private/UniversalLogging.h

@@ -15,6 +15,7 @@ public:
   void ShutdownModule() override;
 
   void OnWorldStart(UWorld*, const UWorld::InitializationValues);
+  void OnWorldEnd(UWorld*,  bool bSessionEnded, bool bCleanupResources);
   void OnSessionStart(const bool);
   void OnSessionEnd(const bool);