Using indirect lighting from bounce cards that are set to Actor Hidden in Game no longer generate indirect lighting for the scene.
This is a regression of 4.11.2 where this worked but is no longer working in 4.12 and later.
Tested in:
4.11.2 CL-2946394 - Working
4.12.5 CL-3039270 - Broken
4.13 Dev-Rendering CL-3047755 - Broken
1. Open UE4
2. Setup a scene to use a bounce card with a Spot Light
3. Select the bounce card static mesh and enable "Actor Hidden in Game"
4. Build Lighting
Regression: Yes
Expected: The bounce card should generate indirect lighting for the scene
Results: The bounce card does not generate indirect lighting for the scene.
Workaround: Build lighting for the scene and then set the Bounce Card to be "Actor Hidden in Game" to true.
Head over to the existing Questions & Answers thread and let us know what's up.