Nav mesh is fragmented in Published Game 4.21

Development Platform & Builds
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1

So when testing my plugin demo it seems that the nav is not fully generating in published builds.

259937-navpie.jpg
259937-navpie.jpg1928×1048 287 KB

259938-nav.jpg
259938-nav.jpg1920×1080 346 KB

259939-navsettings.png
259939-navsettings.png1928×1048 122 KB

259940-navsettings2.png
259940-navsettings2.png1928×1048 119 KB

2

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks

3

Hey Shoiko, have you made any progress on this, or have a UE bug ticket yet? I’m having the same problem. Do your fragments directly relate to the ‘show tiles’ debug on the navmesh in editor? My project currently has 40 minute build times, so iterative testing small nav tweaks is a pain.

4

Unreal Engine Bug Submission
Wed, Nov 21, 10:55 AM (5 days ago)
to me

Hey Kevin,

I’m not sure when this fix will be ported over to Release but this issue has been addressed in our latest internal build. You can find that build on our GitHub Master branch if you use or are familiar with Source builds.

Thanks,
Trey

ref:_00D1aL44R._5002Ln2D8G:ref

5

Unreal Engine Bug Submission
Wed, Nov 21, 10:55 AM (5 days ago)
to me

Hey Kevin,

I’m not sure when this fix will be ported over to Release but this issue has been addressed in our latest internal build. You can find that build on our GitHub Master branch if you use or are familiar with Source builds.

Thanks,
Trey

ref:_00D1aL44R._5002Ln2D8G:ref

6

I just Tested 4.21.1 and Fix is not there. After building a game for Android Nav Mesh is still fragmented.

7

Do you have an Issue Tracker ID for that bug?

8

@Shoiko - Do you have the commit hash? - would be handy for this to cherry pick the fix.

9

The issue is still present in 4.21.1 build. Not sure the fix is suppose to address this issue but this hasn’t been a problem with 4.19 builds so is something that happened after.

10

@jimsnomis did you find the commit ? if yes how ?

@Shoiko can we have the fix before christmas in release?

Or can someone post the fix here ?

Thanks !

11

They said its fixed on the head branch no clue when that will be released i dont really download code from the source. I hope they push it out soon.

12
13

@adrien haven’t had the time to trawl through the commit history which is what I would do to find the fix. I’m waiting for an official release. There’s an UE issue submitted here Unreal Engine Issues and Bug Tracker (UE-67512) but the linked files don’t exist.

14

Linked files are in UDN , what is Similar Forum or Answer Hub only for Serious Developers or License holders. It looks like ppl start to point to the problem there too … however, I would not wait for Fix this year … maybe only if a miracle happens and there is new engine Version Right before the new year.

15

@Positivity Thank for calling alot of us non-Serious Developers… It’s a game-breaking issue for more than one month, no hot-fix, no public sharing of solution ?

16

Thanks for the info I had no idea there was a separate area for licencees. I’ve written to Santa Claus to ask for a fix for Christmas.

17

I can say it works with a source built from the Master Branch so the fix is in there.

18

@Shoiko @Positivity @eudrea
The target fix is now 4.22 in UE-67512, this mean we have to wait a other couple of month to get the fix…

Why does the fix is shared only for UDN ? (https://udn.unrealengine.com/storage/attachments/330558-p4diffs.zip)

Can someone share the solution here please ?

19

I can say it works with a source built from the Master Branch so the fix is in there

20

@eudrea We use the release branch with some local modifications, we don’t know how to switch branch while keeping our changes.