/// <summary>
/// Gets the UClass for the given type
/// </summary>
/// <param name="type">The type</param>
/// <returns>The UClass for the given type</returns>
public static UClass GetClass(Type type)
{
UClass result = null;
if (classes.TryGetValue(type, out result))
{
return(result);
}
if (type.IsEnum || type.IsValueType || typeof(IDelegateBase).IsAssignableFrom(type))
{
// Find the top-most UClass (UUserDefinedEnum, UEnum, UUserDefinedStruct, UUserStruct, etc)
// NOTE: This wont contain any useful information about the actual type itself
IntPtr address = IntPtr.Zero;
if (type.IsEnum)
{
address = UEnum.GetEnumAddress(type);
}
else if (type.IsValueType)
{
address = UScriptStruct.GetStructAddress(type);
}
else
{
address = UFunction.GetDelegateSignatureAddress(type);
}
if (address != IntPtr.Zero)
{
return(GetClass(address));
}
return(null);
}
if (!type.IsSameOrSubclassOf(typeof(UObject)) &&
(!type.IsInterface || !typeof(IInterface).IsAssignableFrom(type)) || type == typeof(IInterface))
{
return(null);
}
if (seenClasses.Contains(type))
{
// Note: GetModuleCount uses a lock
// TODO: Find some multicast delegate which is called when a module is loaded or a new class type is created.
// - FModuleManager::Get().OnProcessLoadedObjectsCallback
if (FModuleManager.Get().GetModuleCount() != lastModuleCount)
{
seenClasses.Clear();
}
else
{
return(null);
}
}
if (!seenClasses.Contains(type))
{
seenClasses.Add(type);
UMetaPathAttribute pathAttribute;
if (UnrealTypes.Native.TryGetValue(type, out pathAttribute))
{
IntPtr classAddress = GetClassAddress(pathAttribute.Path);
if (classAddress == IntPtr.Zero)
{
// Fallback if this class isn't loaded yet. TODO: Check if this is the correct method to call.
classAddress = NativeReflection.LoadObject(Classes.UClass, IntPtr.Zero, pathAttribute.Path);
}
if (classAddress != IntPtr.Zero)
{
UClass unrealClass = GCHelper.Find <UClass>(classAddress);
if (unrealClass != null)
{
classesByAddress[classAddress] = type;
classes[type] = unrealClass;
return(unrealClass);
}
}
}
}
return(null);
}
