Generating message structs by data

In this post I want to explain how I'm planning to generate ref structs in OpenMU and how this fits into the big picture.

Handling packet structures in .NET - a new way?

Parsing and serializing network packets in .NET in a safe, performant and elegant way can be quite tricky. C# ref structs might be the answer.

SimpleModulus revisited

Recently, I was working on getting game client version 0.75 to work with OpenMU. One big obstacle was the SimpleModulus encryption which was somehow different in the earlier versions of MU Online. You can find an analysis of it here. According to a change log in a leaked 0.

Migrated AdminPanel to Redux and TypeScript

I finally finished the migration of the AdminPanel from JS/JSX to TS/TSX and fluxxor to Redux. I want to show you a short summary of pitfalls which I encountered and how I solved them. Not using npm When working with JavaScript you almost can't get around

On item duplication exploits and how to prevent them

Hello, first of all, if you're Webzen or a private MU Online server owner or developer, don't take this post as a threat. These item duplication examples which I will describe are known to me since many years. As you might imagine a lot of other