Automatic Packet Registration Using C++26 Annotations & Reflection

[Larry Watterson 485]

Long story short, normally you have to call the "Set" member function from CPacketInfoCG's constructor every time you add a new packet. If you forget it, you end up with packet errors at runtime.

With this thing, adding an annotation to your new packets is enough. The array gets generated at compile-time. On top of that, you can also add checks like whether there is padding, whether the annotation is there or not, and so on.

If you have questions, leave a comment and I'll answer when I have time.

Note: I only recently started working with C++26. I was reading the papers and this idea came to my mind. I'm still not very familiar with it, so there might be other use cases I don't know about. If you know any, feel free to share.

You need C++26 - GCC16, otherwise it won't work. You can use your brain and turn this into something different too.

Mock:

Spoiler

https://godbolt.org/z/PMEWbv4zz

refl namespace gist:

Spoiler

https://gist.githubusercontent.com/mberk-yilmaz/bda3cfca8eee9aeeda0606e4e2056d35/raw/3e5da0565d660ce4d4e6dd0bb6212da0f4bd8058/refl.hpp

 

Edited July 28 by Larry Watterson