Developer Notes

Closing as Invalid Issue, Add or Update Blendables Node is the recommended workflow for achieving the desired results.

Description

Attempting to change the Weight of a Weighted Blendable at runtime via the Level Blueprint leads to a warning generated by the Make PostProcess Settings node:

Warning  Blendables  - the native property is not tagged as BlueprintReadWrite, the pin will be removed in a future release.

[Image Removed]

Also tested in Dev-Main at CL-
2792697

Steps to Reproduce
  1. Create a New Project with no Starter Content
  2. Add an Unbound Post Process Volume into the Level
  3. Create a Post Process Material
  4. Create a Material Instance from the Post Process Material
  5. Assign the Material Instance as a Blendable to the Post Proces Volume
  6. Set the Weight of the Blendable to 0
    *Recreating the Setup shown in attached Image.*
  7. Open the Level Blueprint
  8. Call Reference to the Post Process Volume
  9. From the reference, add a Make WeightedBlendable Node
  10. Set the Weight to 0.75
  11. From the Previous Node, Make Array
  12. From the Previous Node, Make WeightedBlendables Node
  13. From the Previous Node, Make Post Process Settings
  14. From Event Being Play add a Set Settings node for the Post Process Volume.
    *End Recreation Instructions*
    #Compile Level Blueprint

RESULTS:

Warning  Blendables  - the native property is not tagged as BlueprintReadWrite, the pin will be removed in a future release.

EXPECTED: No Warning

Have Comments or More Details?

Head over to the existing Questions & Answers thread and let us know what's up.

2
Login to Vote

Non-Issue
ComponentUE - Rendering
Affects Versions4.104.11
Target Fix4.11
CreatedDec 7, 2015
ResolvedDec 9, 2015
UpdatedMay 2, 2018