#23 No darkness in distance

[Joachim Otahal]

One of the great 3D enhancements of doom was the effect
that it goes dark in the distance. This is completely
missing in all gl versions of doom. It would undoubtly
look great if that would be emulated (like dark fog).
There are a lot of levels relying on that effect, like
Monster Condo from Doom2. I doubt it would be easy
since if cannot be just dark fog, 'cause bright sectors
shouldn't be invisible behind fog-darkened sectors. (I
could live with this though..)

[jonathan bailey]

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Open gl_main.c in the current source release of prboom (2.2.3) &
go to line 40 (or look for 'boolean use_fog'), change the
'false' to a 'true'. then go to line 56 (or look for 'int
fog_density'), change the number there (probably 200) to
'75'. Recompile with your favorite compiler and run...
Please note that the values I gave are for my system, I'm
running a geforce4 ti 4600 with the latest drivers, a
different bd/driver combo may need different values. Also
there are
other bits of code related to the above code, the rest of
the code involved seems to be fine as is.

john
jbailey8@triad.rr.com

[Joachim Otahal]

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If have no problem digging around the code (thx for the
info), but I cannot compile it. I am missing a large number
of libraries on linux and cannot compile a win32 eecutable
there. Can this be optionized (including the fog strength) ?
Either in .cfg file, on cmdline or within pbroom menu ?
Something for the next version..