[ scummvm-Bugs-1345130 ] BS1: Scrolling regression

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Bugs item #1345130, was opened at 2005-11-01 19:14
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Category: Graphics
Group: Broken Sword 1
Status: Open
Resolution: None
Priority: 5
Submitted By: Torbjörn Andersson (eriktorbjorn)
Assigned to: Nobody/Anonymous (nobody)
Summary: BS1: Scrolling regression

Initial Comment:
The complete discussion of this bug can be found at
http://forums.scummvm.org/viewtopic.php?t=30

It appears that the rather lengthy in-engine cutscene
near the end of the game handles scrolling a bit
unusually: It sets the SCROLL_FLAG variable to 0,
presumably to keep the screen from scrolling.

The problem is that we assume that SCROLL_FLAG = 0
means that the scene is exactly 640x400. And ever since
revision 1.47 of sword1/screen.cpp we ever reset the
SCROLL_OFFSET variables to 0 in this case. So the
overhead view of Nico and George looking down at the
neo-Templars always shows the leftmost part of it, even
though the room is wider than that.

The effect is subtle, which is probably how it has
remained unnoticed for almost a year.



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