Moved all code to C++.

Source/CommonLoadingScreen/Private/LoadingScreenWidget.cpp

@@ -3,15 +3,33 @@
 #include "LoadingScreenWidget.h"
 
 
+void ULoadingScreenWidget::NativePreConstruct()
+{
+	FWidgetAnimationDynamicEvent LoadScreenOpened;
+	LoadScreenOpened.BindUFunction(this, TEXT("LoadScreenOpened"));
+	this->BindToAnimationFinished(this->Fade, LoadScreenOpened);
+
+	this->PlayAnimationForward(this->Fade);
+}
 void ULoadingScreenWidget::LoadScreenOpened()
 {
+	this->UnbindAllFromAnimationFinished(this->Fade);
 #if !WITH_EDITOR
 	this->OnLoadScreenOpened.ExecuteIfBound();
 #endif
 }
 
+void ULoadingScreenWidget::BeginFadeOut_Implementation()
+{
+	FWidgetAnimationDynamicEvent LoadScreenClosed;
+	LoadScreenClosed.BindUFunction(this, TEXT("LoadScreenClosed"));
+	this->BindToAnimationFinished(this->Fade, LoadScreenClosed);
+
+	this->PlayAnimationReverse(this->Fade);
+}
 void ULoadingScreenWidget::LoadScreenClosed()
 {
+	this->UnbindAllFromAnimationFinished(this->Fade);
 #if !WITH_EDITOR
 	this->OnLoadScreenClosed.ExecuteIfBound();
 #endif

Source/CommonLoadingScreen/Public/LoadingScreenWidget.h

@@ -18,15 +18,21 @@ class COMMONLOADINGSCREEN_API ULoadingScreenWidget : public UUserWidget
 	GENERATED_BODY()
 	
 public:
+	virtual void NativePreConstruct() override;
+
 	UFUNCTION(BlueprintCallable)
 		void LoadScreenOpened();
 	UFUNCTION(BlueprintCallable)
 		void LoadScreenClosed();
 
-	UFUNCTION(BlueprintImplementableEvent)
+	UFUNCTION(BlueprintNativeEvent)
 		void BeginFadeOut();
 
 	DECLARE_DELEGATE(FOnLoadScreenEvent)
 	FOnLoadScreenEvent OnLoadScreenOpened;
 	FOnLoadScreenEvent OnLoadScreenClosed;
+
+protected:
+	UPROPERTY(Transient, BlueprintReadOnly, meta=(BindWidgetAnim))
+		TObjectPtr<UWidgetAnimation> Fade;
 };