[+] Added a stupid AuNullCallback concept

Include/AuroraUtils.hpp

@@ -93,6 +93,32 @@ static void inline  SafeDelete(T *in)
 
 #endif
 
+struct IAuNullDelegate
+{
+    virtual void OnCall() = 0;
+};
+
+struct AuNullCallback
+{
+    const AuVoidFunc voidFunc;
+    const AuSPtr<IAuNullDelegate> callbackFunc;
+    
+    AU_DEFINE_CTOR_ONE(AuNullCallback, (AuVoidFunc, voidFunc));
+    AU_DEFINE_CTOR_ONE(AuNullCallback, (AuSPtr<IAuNullDelegate>, callbackFunc));
+
+    inline void operator()()
+    {
+        if (voidFunc)
+        {
+            voidFunc();
+        }
+        else if (callbackFunc)
+        {
+            callbackFunc->OnCall();
+        }
+    }
+};
+
 static constexpr inline AuUInt32 AuConvertMagicTag32(const char buffer[4])
 {
     AuUInt32 magic {};
@@ -546,6 +572,9 @@ static inline void AuClearBit(T &value, AuUInt8 idx)
 #define AURORA_PERMIT_ARBITRARY_REF
 #endif
 
+
+// I'm sorry to anyone reading this. I wanted it to be verbose. I should've just used my old friends, macros :(
+
 template<typename T>
 static inline T AuReadGenericLE(const void *ptr, int offset)
 {