How to Save Level Variables when it changed?

Development Programming & Scripting Blueprint
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Hello,This is my first Question but first thing first i’m not good at English.

I’m work with UE4 for a while and I have concern about Level variables.
For Example : My player in Level A already kill all Enemy and pick up all item on level A when My player go to Level B and come back to Level A and everything on Level A all reset. I want everything on level not reset when my player come back.

Like Fallout 3 and Skyrim when you travel between interiors and worlds all Item,AI not changed.

How is that possible?

2

I’m not sure what kind of data you’re looking at, but you could look into storing the state in a Game Instance. A Game Instance persists during gameplay. A new, community-hosted Unreal Engine Wiki - Announcements - Unreal Engine Forums

The ideal solution is probably Serialization for the session. Save the state for Level A when you leave. When you return, that state needs to load back in.

3

Thank you,I will keep studying about Game Instance.