Merge branch 'p4/tq2-code' into ue5.2

Source/OUURuntime/Public/GameplayTags/TypedGameplayTag.h

@@ -114,9 +114,13 @@ struct TTypedGameplayTag
 			TIsDerivedFrom<BlueprintTagType, FGameplayTag>::Value,
 			"BlueprintStructType must be derived from FGameplayTag");
 
+		// I did not find a cross-compiler way to implement this check yet, but if all the tag usage is fine with
+		// Windows / MSVC, it should also be ok on other platforms.
+#if PLATFORM_WINDOWS
 		static_assert(
 			TOr<TIsChildTagOf<ParamTagType, InRootLiteralTagTypes>...>::Value,
 			"Can only assign from a literal gameplay tag that is nested under any of the InRootLiteralTagTypes");
+#endif
 
 		return true;
 	}

Source/OUURuntime/Public/Templates/InterfaceUtils.h

@@ -6,6 +6,7 @@
 
 #include "Templates/Casts.h"
 #include "UObject/ScriptInterface.h"
+#include "UObject/WeakInterfacePtr.h"
 
 /**
  * Call a function on a blueprint implementable interface object.
@@ -86,6 +87,13 @@ UObject* GetInterfaceObject(TScriptInterface<T> InterfaceObject)
 	return InterfaceObject.GetObject();
 }
 
+/** Get the underlying object from an interface so you can call Execute_* functions on it */
+template <typename T, typename = TIsIInterface_T<T>>
+UObject* GetInterfaceObject(TWeakInterfacePtr<T> InterfaceObject)
+{
+	return InterfaceObject.GetObject();
+}
+
 /**
  * Validate an interface object based on it's underlying UObject, extending IsValid(UObject*) functionality.
  * Also checks if the object actually implements the target interface.
@@ -122,6 +130,12 @@ FORCEINLINE bool IsValidInterface(TScriptInterface<T>& InterfaceObject)
 	return bResult;
 }
 
+template <typename T, typename = TIsIInterface_T<T>>
+FORCEINLINE bool IsValidInterface(const TWeakInterfacePtr<T>& InterfaceObject)
+{
+	return InterfaceObject.IsValid();
+}
+
 /** Override to throw compile time error for using const TScriptInterface<T> or const TScriptInterface<T>& */
 template <typename T, typename = TIsIInterface_T<T>>
 FORCEINLINE bool IsValidInterface(const TScriptInterface<T>& InterfaceObject)