[ scummvm-Patches-618888 ] AKOS codec5 rewrite (experimental)

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Sat Oct 5 11:54:42 CEST 2002

Patches item #618888, was opened at 2002-10-05 11:54
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Torbjörn Andersson (eriktorbjorn)
Assigned to: Nobody/Anonymous (nobody)
Summary: AKOS codec5 rewrite (experimental)

Initial Comment:
This patch replaces AkosRenderer::codec5(). It used to
call drawBomp(), which cared nothing for masking or the
shadow table. As can be seen from the screenshots, this
makes quite a difference for the cars in Full
Throttle's junkyard.

Of course, this could be the wrong approach. Maybe the
right thing to do would be to change drawBomp()? Time
will tell, I guess...

Unfortunately, it's not quite working yet. I don't
understand why the upper right car is masked the way it
is. There are other things that look strange as well,
but I believe those are because of different bugs.

One thing that I'm particularly uncertain about is the
setting of draw_top and draw_bottom. They used to be
set to 0 and vs->height respectively, with a comment
from Yazoo that "this is not correct, but fix a lot of
bugs for the moment". I don't know which bugs he was
talking about, but until I changed it I was never able
to walk out of that part of the junkyard. I had to let
the dog chase me. I don't know why this is.

I could really use some help at this point...

By the way, I found a number of places where we
increase a mask pointer by 40. (Heck, I had to add one
of those myself.) Doesn't that mean we're still making
assumptions about the screen width, except this time in
bits rather than pixels?


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