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Substances in Unreal

Explorer ,
Mar 15, 2024 Mar 15, 2024

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hey

 

Is there any problem using resources/material nodes in Unreal inside a .sbsar ?
use these nodes after the imported texture is Substance? and use the expose resources created in Substance without problems?

 

thanks

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Explorer ,
Mar 16, 2024 Mar 16, 2024

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hello

 

Is there a problem with the plugin for Unreal Engine 5.3?
any change in the .sbsar parameters, within Unreal, the progression bar will freeze Unreal for minutes.

 

In Unreal 5.0 it works normally.

 

Is there a limitation of the plugin for Unreal?

Is there a way to fix it?

 

thanks

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Explorer ,
Mar 18, 2024 Mar 18, 2024

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Is anyone having the same problem?

 

thanks

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Adobe Employee ,
Mar 19, 2024 Mar 19, 2024

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Hi @Abilio5EC9 , could you provide some more information on the platform that you are using? And if possible could you share the .sbsar? If you are using an intensive .sbsar it can take longer to process changes.

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Explorer ,
Mar 19, 2024 Mar 19, 2024

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am I using the plugin for Unreal Engine 5.3?
all .sbsar have this problem in this version, 5.3.

 

in the version of unreal 5.0 it works normally

 

 

thanks

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Adobe Employee ,
Mar 19, 2024 Mar 19, 2024

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Thanks @Abilio5EC9 , could you let me know if you are using Mac, Windows, or Linux? Additionally, does this also occur in completely new projects?

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Explorer ,
Mar 19, 2024 Mar 19, 2024

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I use Windows

These are new projects, both in Unreal and Substance.

thanks

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Explorer ,
Mar 20, 2024 Mar 20, 2024

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the same .sbsar files that work in unreal 5.0 do not work in Unreal 5.3.


thanks

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Adobe Employee ,
Apr 02, 2024 Apr 02, 2024

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Could you share your sbsar asset for us to reproduce this issue? 

We introduced some changes in the caching system to improve performance. That might have introduced some changes in how the plugin works and this is potentially an expected behaviour. That said, it would still be useful for us to test this with your asset.

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Explorer ,
Apr 07, 2024 Apr 07, 2024

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the .sbsar file is too big to post here.
It has 800Mb.

 

Could it be because of the size of the .sbsar file that I'm having problems?

 

What made this file so big?


it was made with a resolution of 4096x4096.
Could this be the problem?

I tested it with 1080 resolution and it didn't work.

 

I tried with smaller files and it worked normally .

 

How to make a .sbsar very small?

 

thanks


thanks



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Explorer ,
Apr 08, 2024 Apr 08, 2024

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hey

 

I was opening the same bake node several times in the tree.

I reduced it to just one and it immensely reduced the size of the .sbsar file.
from 800Mb to 128Mb.

Are there more ways to reduce the size of .sbsar?

 

Even so, .sbsar has the same problem when opened in Unreal

 

Apparently it's this specific file that causes the problem.

I will remake it

 

I want to remember that the same .sbsar works in Unreal 5.0 but does not work in Unreal 5.3.

 

thanks

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Adobe Employee ,
Apr 09, 2024 Apr 09, 2024

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Hi @Abilio5EC9 , following up here. Yes the file size will have an impact on loading speeds. This is espcially noticeable with scanned materials that use bitmaps. higher resolution materials at 4k will also need more time to process loading and parameter changes. I recommend seeing if you can get the working resolution down to 2k. If you exported an .sbsar from designer, you should be able to scale back up to 4k with the plugin settings.

I recommend you take a look through this helpful optimization guide for Designer as it has seveal tips for this:
https://helpx.adobe.com/substance-3d-designer/best-practices/performance-optimization-guidelines.htm... 

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Explorer ,
Apr 22, 2024 Apr 22, 2024

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Could this slowness of .sbsar materials in Unreal be caused by the size of the bakes made in Substance designer?

I normally have 2 to 3 bakes of 4k and 2k in each material.

Can be it?

What bake size do you recommend to use on substances that will be used in Unreal?


thanks

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