Particles always appear behind translucent objects

[Paril]

This is probably an annoying bug to fix given how particles work, but it has some gameplay implications since it can be hard to spot a rail trail if water or glass happens to be in the scene. Even with partstyle 1 they can be made really dark depending on the texture they're visible through.

We had this same bug with re-release too, but it's the opposite problem - particles in re-release are drawn last, so they're not affected by glass, so it can look weird to fire under the water.

EDIT: oh I guess entities with alpha are also affected, which might be a problem with the Invisibility powerup since it makes players super hard to spot. good ol' ordered transparency problem.

[skullernet]

Might be worth exploring order independent transparency techniques.
This looks interesting, for example: https://jcgt.org/published/0002/02/09/

[Paril]

I've actually looked into WB-OIT a long time ago. I still haven't completely wrapped my head around it. I don't entirely understand how an accumulation buffer can make fragments appear correctly depending on the layer they're being rendered in - but clearly the technique works, it just has to be tuned to the specific scene I guess? https://learnopengl.com/Guest-Articles/2020/OIT/Weighted-Blended
Funnily enough this mentions needing BlendFunci though :p

[Paril]

I'm not sure where your reply disappeared to, but the screenshot you shared here looked promising! I did hear it was slow, though, since it requires two passes?