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NavMesh Setup with Level Streaming?

I just began working with level streaming and I've got some problems with it. I have a persistent level that's almost empty and I want to load different environments into it by level streaming. The sub-levels contain a NavMesh. From what I can tell they get properly loaded, too (when I turn their visibility on, it looks ok). But my pathfinding doesn't work and I assume that the NavSystem doesn't know about the streamed-in new nav-data. What do I need to do here?

Product Version: UE 4.11
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asked May 26 '16 at 05:02 PM in Using UE4

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MaxPower42
618 61 76 113

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2 answers: sort voted first

Got it: You don't need to set it to Dynamic, this couse a huge fps drop. Just setup two NavMeshBounds, 1 into you Persistant Level and 1 into your Level Stream. I do so by just copy/past my NavMesh and use CTRL+M to add the copied one to my Level Stream. And important as well is: You have to make all the level stream visible to make nav meshs work well.

Works fine for me ;)

Don't forget to mark the answer for the others...

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answered Jul 03 '18 at 09:38 PM

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HitEmUp
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avatar image leadermax Aug 02 '18 at 12:37 PM

excuse my stupidity...what's STRG? I tried CTRL+M, but nothing happens because it is not bound to anything in my keyboard shortcuts. And I'm not sure where exactly to click before doing that EDIT: ctrl+M moves an actor. i wasn't able to copy and move it right away, but anyways I edit>duplicate the navmesh, edit>copy, make sure the destination level is selected in Levels tab, right click in the viewport, edit>paste. and then adjust position.

avatar image HitEmUp Aug 02 '18 at 01:42 PM

i m sorry, mb. I m from germany and our CTRL key is called STRG :) So its CTRL+M. And you also need to know: You have to make all the level stream visible to make nav meshs work well.

avatar image leadermax Aug 02 '18 at 01:51 PM

Yeah I figured that :) anyways thank you for your answer, it worked for me !

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Hello,

This is currently a problem with navigation streaming. Take a look at the forum post I linked below. It should contain the information that you need to get this working properly.

https://forums.unrealengine.com/showthread.php?77202-Navmesh-of-SubLevel&p=336638#post336638

If this does not resolve your issue, or you have additional questions, feel free to let me know.

Have a great day

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answered May 26 '16 at 05:24 PM

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Sean L ♦♦ STAFF
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avatar image MaxPower42 May 26 '16 at 05:47 PM

Thanks for replying. I don't know, if that's a solution for me. I posted in the topic.

avatar image Sean L ♦♦ STAFF May 26 '16 at 05:50 PM

I will mark this topic as resolved for now. When you get a chance to test that solution, feel free to respond to this thread if it is still an issue.

Have a great day

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