Stop friends on different game versions from joining each other and breaking things

After an update, some players have the new version and some still have the old one, and mixing them leads to odd bugs instead of a clear message. A version check at the door can tell people exactly what to do. The catch is that comparing version texts the obvious way gives wrong answers.

Why this works

Version numbers carry a promise about change. A big step breaks how players talk, a small one only adds, and a tiny one fixes. Deciding at the door by that promise sends each person to the right action, instead of into a strange bug.

When not to use it

Skip it if your numbers do not follow that meaning, for instance when every release is a date or you change the way players talk in a small step. Then compare an explicit compatibility number that you raise yourself on every such change.

In the full entry

• What to build, step by step
• Starting values and the reason for each
• 3 common mistakes and the fix
• 17 lines of example code with 3 checks that pass
• How your AI shows you that it works

Say this to your AI

Use the Spielerando entry "Stop friends on different game versions from joining each other and breaking things" (read_entry online-who-may-join-which-game-version) in my game. Build it step by step, and show me how you checked that it works.

Or skip this and connect the MCP: your AI then finds all of this by itself.Connect the MCP