Title mostly says it all. It doesn't matter which renderer is used; The Softpoly, OpenGL, and Vulkan renderers all have this issue.Here's a simple example
. To run it, just start a game and summon "COD_SSHorch" or "BrokenModelTest". You'll need to use the TNT: Evilution IWAD if you want the BrokenModelTest to look good, however.
The "BrokenModelTest" should look like this
, but on builds after March 6 (when the dynamic models per actor pull request
was merged), it looks like this
. Note the lack of the disc covering the transparent part of the sphere.
Also, if you summon "COD_SSHorch", the seats, doors, steering wheel, and back part of the vehicle will be missing on builds after March 6.