private bool IsBlueprintVisibleStruct(UStruct unrealStruct)
{
// All of the available macro tags at:
// Engine\Source\Runtime\CoreUObject\Public\UObject\ObjectBase.h
// BlueprintType = can use inside a blueprint
// Blueprintable = can use as a new blueprint
// Blueprintable seems to override NotBlueprintType?
// IsBlueprintBase, BlueprintSpawnableComponent
// All UBlueprintFunctionLibrary classes are visible in blueprint even if marked as not visible
if (unrealStruct.IsChildOf <UBlueprintFunctionLibrary>())
{
return(true);
}
// Action classes are exposed to Blueprint as special nodes. We want the entire class.
UClass unrealClass = unrealStruct as UClass;
if (unrealClass != null && GetActionFactoryClass(unrealClass) != null)
{
return(true);
}
if (unrealStruct.GetBoolMetaDataHierarchical(MDClass.BlueprintSpawnableComponent))// && Struct.IsChildOf<UActorComponent>()
{
// Are all BlueprintSpawnableComponent classes visible even if marked not? TODO: Check this.
return(true);
}
bool notBlueprintType = false;
bool notBlueprintable = false;
while (unrealStruct != null)
{
if (!notBlueprintType && unrealStruct.GetBoolMetaData(MDClass.BlueprintType))
{
return(true);
}
if (!notBlueprintable && unrealStruct.GetBoolMetaData(MDClass.Blueprintable))
{
return(true);
}
if (unrealStruct.GetBoolMetaData(MDClass.NotBlueprintType))
{
notBlueprintType = true;
}
if (unrealStruct.GetBoolMetaData(MDClass.NotBlueprintable))
{
notBlueprintable = true;
}
unrealStruct = unrealStruct.GetSuperStruct();
}
return(false);
}
public static bool GetBoolMetaDataHierarchical <TEnum>(this UStruct unrealStruct, TEnum key) where TEnum : struct
{
return(unrealStruct.GetBoolMetaDataHierarchical(new FName(UMeta.GetKey(key))));
}