Mirror becomes to black in BFG after bsp'ed with D3

[bitterman]

There is a room with mirror.

That's going on:

- open in BFG. Mirror is fine.
- copy map's files into D3 mod folder. Don't change anything.
- in D3 type in console: editor -> open map -> bsp.
- copy map's files into BFG mod folder.
- remove 'generated' from BFG mod folder and load the map. The mirror is black.

'Dmap' does same thing.

What can I do?

Thanks.

[Snehk]

Check the material. BFG uses glsl shaders while GPL uses ARB. Changing the material might fix it.

[bitterman]

Thanks.

This is the differences before and after BSP (see pic).

If it changed then result is vary.

Is there a .proc format description?

*************** upd

https://modwiki.xnet.fi/PROC_%28file_format%29

An index is simply an unsigned integer. Every index indicates a vertex in the surface’s vertex list. Since all vertexdata is rendered as a list of triangles three indices build a triangle.

Not sure where it is but looks like problem in .proc.
When I return back old .proc then it works. Don't know how old .proc was compiled before.

[bitterman]

dmap from RBDoom works as expected with mirror.

[motorsep]

dmap from RBDoom works as expected with mirror.

So what's the issue then?

[bitterman]

Don't use a mirror

[The Happy Friar]

If d3 and d3bfg have different mirror texture names that would explain it.  Since you are not copying anything besides map files that rules out the shaders.