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Additive 3D Floors Affecting Fog Below Them

PostPosted: Tue Jun 02, 2020 10:55 pm
by Kinsie
Image

As you can see, the linedefs below the additive 3D floors are not affected by fog settings, even when they should be. Not sure if this is something we're doing wrong, or a renderer bug, but the issue is not present in the ancient version of the OpenGL renderer used in Zandronum 3.0. (We're trying to narrow down the version things changed, we'll keep you posted)

Re: Additive 3D Floors Affecting Fog Below Them

PostPosted: Tue Jun 02, 2020 11:15 pm
by TheShadsy
This also appears to be unaffected by any of the Sector_Set3DFloor flags for disabling or resetting lighting effects.

The issue seems to have originated in GZDoom 2.1.0. See comparison shots below of the sample wad in 2.0.05 vs. 2.1.0.

Re: Additive 3D Floors Affecting Fog Below Them

PostPosted: Wed Jun 03, 2020 1:35 pm
by Graf Zahl
fixed. Amazing that it took this long to find such a relatively obvious bug.

Re: Additive 3D Floors Affecting Fog Below Them

PostPosted: Thu Jun 04, 2020 8:16 am
by Kinsie
Thanks for the quick fix on this!