Fix game startup

lib/serializer/BinaryDeserializer.h

@@ -135,6 +135,13 @@ private:
 		////that const cast is evil because it allows to implicitly overwrite const objects when deserializing
 		typedef typename std::remove_const_t<T> nonConstT;
 		auto & hlp = const_cast<nonConstT &>(data);
+
+		if constexpr(std::is_base_of_v<IGameInfoCallback, std::remove_pointer_t<nonConstT>>)
+		{
+			assert(cb == nullptr);
+			cb = &data;
+		}
+
 		hlp.serialize(*this);
 	}
 	template<typename T, typename std::enable_if_t<std::is_array_v<T>, int> = 0>

lib/serializer/Connection.cpp

@@ -124,9 +124,9 @@ void CConnection::enterLobbyConnectionMode()
 	serializer->clear();
 }
 
-void CConnection::setCallback(IGameInfoCallback * cb)
+void CConnection::setCallback(IGameInfoCallback & cb)
 {
-	deserializer->cb = cb;
+	deserializer->cb = &cb;
 }
 
 void CConnection::setSerializationVersion(ESerializationVersion version)

lib/serializer/Connection.h

@@ -50,7 +50,7 @@ public:
 	std::unique_ptr<CPack> retrievePack(const std::vector<std::byte> & data);
 
 	void enterLobbyConnectionMode();
-	void setCallback(IGameInfoCallback * cb);
+	void setCallback(IGameInfoCallback & cb);
 	void setSerializationVersion(ESerializationVersion version);
 };
 

lib/serializer/SerializerReflection.h

@@ -35,6 +35,7 @@ struct ClassObjectCreator<T, typename std::enable_if_t<std::is_base_of_v<GameCal
 	static T *invoke(IGameInfoCallback *cb)
 	{
 		static_assert(!std::is_abstract_v<T>, "Cannot call new upon abstract classes!");
+		assert(cb != nullptr);
 		return new T(cb);
 	}
 };