There is an issue where Static meshes in a particle system are not affected by decals, It is unsure if this is intentional behavior or not. This issue does not appear to be a regression


Versions Tested:

4.17.2 - CL: 3658906

4.18.2 - CL: 3794801

4.19.0 - CL: 3776583

Steps to Reproduce
  1. Create a new project (no template or starter content needed)
  2. Create a new Material and add a 3 vector to the material event graph
  3. Connect the 3 vector to the emissive color
  4. Change the Material domain to Deferred Decal > Set the blend mode to translucent
  5. Add a Decal to the level and assign the material to it
  6. Create a new particle system and set its emitter data to mesh
  7. Add the particle system to the level and ensure it overlaps with the decal
    Result: The mesh does not take on the decal data
    Expected Result: The meshes made by the particle system take on the decal data

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-53628 in the post.

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Affects Versions4.174.184.19
CreatedDec 21, 2017
UpdatedFeb 1, 2019