C++ (Cpp) GetEventDelegate示例

示例#1

文件： BlueprintBoundEventNodeSpawner.cpp 项目： zhaoyizheng0930/UnrealEngine

//------------------------------------------------------------------------------
bool UBlueprintBoundEventNodeSpawner::IsBindingCompatible(UObject const* BindingCandidate) const
{
	bool bMatchesNodeType = false;
	if (NodeClass->IsChildOf<UK2Node_ComponentBoundEvent>())
	{
		UObjectProperty const* BindingProperty = Cast<UObjectProperty>(BindingCandidate);
		bMatchesNodeType = (BindingProperty != nullptr);
	}
	else if (NodeClass->IsChildOf<UK2Node_ActorBoundEvent>())
	{
		bMatchesNodeType = BindingCandidate->IsA<AActor>();
	}

	const UMulticastDelegateProperty* Delegate = GetEventDelegate();

	if ( !ensureMsgf(!FBlueprintNodeSpawnerUtils::IsStaleFieldAction(this), 
			TEXT("Invalid BlueprintBoundEventNodeSpawner (for %s). Was the action database properly updated when this class was compiled?"), 
			*Delegate->GetOwnerClass()->GetName()))
	{
		return false;
	}

	UClass* DelegateOwner = Delegate->GetOwnerClass()->GetAuthoritativeClass();
	UClass* BindingClass  = FBlueprintNodeSpawnerUtils::GetBindingClass(BindingCandidate)->GetAuthoritativeClass();

	return bMatchesNodeType && BindingClass->IsChildOf(DelegateOwner) && !FObjectEditorUtils::IsVariableCategoryHiddenFromClass(Delegate, BindingClass);
}

示例#2

文件： BlueprintBoundEventNodeSpawner.cpp 项目： Codermay/Unreal4

//------------------------------------------------------------------------------
bool UBlueprintBoundEventNodeSpawner::IsBindingCompatible(UObject const* BindingCandidate) const
{
	bool bMatchesNodeType = false;
	if (NodeClass->IsChildOf<UK2Node_ComponentBoundEvent>())
	{
		UObjectProperty const* BindingProperty = Cast<UObjectProperty>(BindingCandidate);
		bMatchesNodeType = (BindingProperty != nullptr);
	}
	else if (NodeClass->IsChildOf<UK2Node_ActorBoundEvent>())
	{
		bMatchesNodeType = BindingCandidate->IsA<AActor>();
	}

	const UMulticastDelegateProperty* Delegate = GetEventDelegate();
	UClass* DelegateOwner = Delegate->GetOwnerClass()->GetAuthoritativeClass();
	UClass* BindingClass  = FBlueprintNodeSpawnerUtils::GetBindingClass(BindingCandidate)->GetAuthoritativeClass();

	return bMatchesNodeType && BindingClass->IsChildOf(DelegateOwner) && !FObjectEditorUtils::IsVariableCategoryHiddenFromClass(Delegate, BindingClass);
}