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);
}
/// <summary>
/// Determines the "blueprintability" of the given UStruct (BlueprintType / Blueprintable)
/// </summary>
private void GetBlueprintability(UStruct unrealStruct, out bool blueprintType, out bool blueprintable)
{
blueprintType = false;
blueprintable = false;
// See UEdGraphSchema_K2::IsAllowableBlueprintVariableType()
// Engine\Source\Editor\BlueprintGraph\Private\EdGraphSchema_K2.cpp
// True but not useful for what we are doing
//if (unrealStruct.Address == Classes.UObject)
//{
// blueprintType = true;
// blueprintable = true;
// return;
//}
if (unrealStruct.IsA <UBlueprintFunctionLibrary>())
{
// UBlueprintFunctionLibrary functions are always visible (even if marked NotBlueprintType)
blueprintType = true;
}
bool notBlueprintType = false;
bool notBlueprintable = false;
while (unrealStruct != null)
{
if (!notBlueprintType && (unrealStruct.GetBoolMetaData(MDClass.BlueprintType) ||
unrealStruct.GetBoolMetaData(MDClass.BlueprintSpawnableComponent)))
{
blueprintType = true;
if (blueprintable || notBlueprintable)
{
break;
}
}
if (!notBlueprintable && !blueprintable && unrealStruct.HasMetaData(MDClass.IsBlueprintBase))
{
if (unrealStruct.GetBoolMetaData(MDClass.IsBlueprintBase))
{
blueprintable = true;
}
else
{
notBlueprintable = true;
}
if (blueprintType || notBlueprintType)
{
break;
}
}
if (!notBlueprintable && unrealStruct.GetBoolMetaData(MDClass.Blueprintable))
{
blueprintable = true;
if (blueprintType || notBlueprintType)
{
break;
}
}
if (!blueprintType && unrealStruct.GetBoolMetaData(MDClass.NotBlueprintType))
{
notBlueprintType = true;
if (blueprintable || notBlueprintable)
{
break;
}
}
if (!blueprintable && unrealStruct.GetBoolMetaData(MDClass.NotBlueprintable))
{
notBlueprintable = true;
if (blueprintType || notBlueprintType)
{
break;
}
}
unrealStruct = unrealStruct.GetSuperStruct();
}
}