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Bug: Particle effects appear unoccluded when drawn via linked portal doors #1745

@pivotman319-owo

Description

@pivotman319-owo

Describe the bug

Particle effects and sprites will draw through any surface without any occlusion so long as the player is looking at a linked portal door, even if the player is not in that specific visleaf.

p2ce_2026-04-08_01-02-21.mp4

To Reproduce

  1. Spawn sprites and particle effects, block them via a prop (anything will work)
  2. Pass through a portal or linked portal door leading to an entirely different area, whichever works first
  3. Observe unusual effects

Issue Map

The Evely Exhibition [5/5]

Expected Behavior

Particles and sprites should be properly occluded

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    Priority 3: MediumSomething that should be attempted/looked at for the next release, and done if possible.Size 3: MediumSomething that will take a couple days to a week to do.Type: BugThis is a problem with something that should be working one way, but isn't.What: GameGame-related (entity, logic, etc) issueWhat: GraphicsGraphics-related stuff

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