Will also fix any other case that an mobj has a skin and a single frame.

walls not extending down when a thok barrier has top textures and both
ceilings have sky.

Avoid Z-Fighting on the depth wall with the regular walls to stop the
possibility of regular walls being made partially invisible.

Gets rid of stuff being drawn where the sky should be being drawn.

sky positioning and scaling more correct compared to software.

Eidolon authored 10 years ago and Alam Ed Arias committed 10 years ago

Fixes axes issue with xinput controllers.

Eidolon authored 10 years ago and Alam Ed Arias committed 10 years ago

Also remove some unnecessary functions.

I think I've done this all right, someone correct me if I haven't.

see: CEZ1 skybox in linear filtermodes.

less redundancy.

I realise what I did before may cause FOF's in the same sector to not be
drawn, if they were before.

polyobjects do have top/bottom textures, silly.
And translucency.

Remove momentum reduction in CA_JUMPTHOK

Also add new multiability handling for it

    This makes positional audio in sdl work correctly (things to the left
    play sounds in the left speaker)

This makes positional audio in sdl work correctly (things to the left
play sounds in the left speaker)