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BSP Material Bug

I just updated to 4.7 recently and made a new project 2 days ago.

I have not messed with any materials since making the new project, only the character blueprint. I've tried to create new levels but I still get the same bug after about 5 minutes. Materials keep undo-ing my material x and y scale over time on their own and reverting to how the material looked after I scaled a BSP. After a while it completely screws up.

Things I've tried: Creating new levels Re-importing all materials and textures Building the level Removing the saved folder from the project folder

I've attached screenshots of the bug. alt text

alt text

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asked Mar 05 '15 at 06:56 PM in Rendering

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Daverm
20 4 7 11

avatar image ManuHeel Mar 10 '15 at 01:10 PM

I have the same problem here. I started UE4 the day it got free, and my BSP materials have since always been really instable, destoying the scale of the material on every BSP in the map as soon as I create, move, or even select a thing in the editor. Sometimes, it also get BSP faces really dark, but rebuilding the light seems to correct (from time to time) the problem.

Thanks for the dedication.

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2 answers: sort voted first

Hello Daverm,

Thank you for your post. I tried this out internally and was able to reproduce this issue. Good Catch! I have entered a Jira ticket for this issue and have passed it along to the developers. The number for this ticket is: UE-11368. I will keep track of this issue and when changes have been made I will make sure to let you know.

Thanks, Benjamin Hyder

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answered Mar 05 '15 at 08:55 PM

avatar image rob422lou Mar 06 '15 at 03:16 AM

I get a similar bug, except with my issue the scale and alignment of the materials on my BSPs change anytime I add a new BSP or rebuild the scene. Annoying!

avatar image [EPIC] BenjaminHyder STAFF Mar 06 '15 at 02:17 PM

Thanks for the extra info rob 422lou,

I will add this as a note on the original bug, if enough people start experiencing this we will promote it to it's own bug.

avatar image Megasporwic Mar 11 '15 at 11:42 PM

Yup same problem here with the Unreal Tournament editor!

avatar image dark0ni Mar 15 '15 at 05:49 PM

same problem here

avatar image [EPIC] BenjaminHyder STAFF Mar 16 '15 at 03:29 PM

Hey guys, I just wanted to give an update on this issue. Since several other users are experiencing the same problems I have escalated the community interest in this bug. This will give express to the developers that the community is particularly interested in seeing this bug taken care of.

Thanks,

Benjamin Hyder

avatar image ManuHeel Mar 16 '15 at 03:38 PM

Thanks, Ben !

Just a quick heads up about my experience of the bug : I currently can use BSP correctly if I don't change the scale of the material being applied on it, so I think I'm in the exact same situation as Daverm. A previous testing level was really messing BSP colors and scale, but since I changed my level, it only discards the scale changes as soon as I do something else in the level.

Thank you for considering this bug !

avatar image AttemptD Apr 02 '15 at 06:28 AM

I'm Also experiencing this bag as of now in 4.7.3 Same exact issue! Only on BSP so far which is a plus!

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Just an update, the BSP bug still exists in 4.7.4. Tried rebuilding my map and the UV's still change.

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answered Apr 03 '15 at 04:31 PM

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rob422lou
116 3 7 9

avatar image Lovecraft_K ♦♦ STAFF Apr 03 '15 at 05:12 PM

Hi rob422lou -

We have tested this internally and are not seeing the issue on Launcher 4.7.4. Can you look at your reproduction steps and write them out here? I want to test to make sure we are attempting to reproduce in the same way. Try to be as precise as possible.

Thank You

Eric Ketchum

avatar image rob422lou Apr 03 '15 at 06:35 PM

I've restarted my editor and I'm now unable to recreate the issue. I'll keep you guys updated if i find a way to consistently reproduce the issue. Thanks for keeping on top of this!

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