Fix 5.5 errors and warnings caused by GetSubsystemArray

Source/Runtime/Private/ExtendableGameStateBase.cpp

@@ -28,19 +28,19 @@ void AExtendableGameStateBase::BeginPlay()
 {
 	Super::BeginPlay();
 
-	for(UGameStateSubsystem* Subsystem : GetSubsystemArray<UGameStateSubsystem>())
+	SubsystemCollection.ForEachSubsystem([this](UGameStateSubsystem* Subsystem)
 	{
 		AddReplicatedSubObject(Subsystem);
 		Subsystem->BeginPlay();
-	}
+	}, UGameStateSubsystem::StaticClass());
 }
 
 void AExtendableGameStateBase::EndPlay(const EEndPlayReason::Type EndPlayReason)
 {
-	for(UGameStateSubsystem* Subsystem : GetSubsystemArray<UGameStateSubsystem>())
+	SubsystemCollection.ForEachSubsystem([this](UGameStateSubsystem* Subsystem)
 	{
 		RemoveReplicatedSubObject(Subsystem);
-	}
+	}, UGameStateSubsystem::StaticClass());
 
 	SubsystemCollection.Deinitialize();
 

Source/Runtime/Public/ExtendableGameStateBase.h

@@ -57,17 +57,6 @@ class GAMESTATESUBSYSTEM_API AExtendableGameStateBase : public AGameStateBase
 		return nullptr;
 	}
 
-	/**
-	 * Get all Subsystem of specified type, this is only necessary for interfaces that can have multiple implementations instanced at a time.
-	 *
-	 * Do not hold onto this Array reference unless you are sure the lifetime is less than that of AExtendableGameStateBase
-	 */
-	template <typename TSubsystemClass>
-	const TArray<TSubsystemClass*>& GetSubsystemArray() const
-	{
-		return SubsystemCollection.GetSubsystemArray<TSubsystemClass>(TSubsystemClass::StaticClass());
-	}
-
 private:
 
 	FObjectSubsystemCollection<UGameStateSubsystem> SubsystemCollection;