[Scummvm-tracker] [ScummVM :: Bugs] #12540: Ultima VI: Great Light spell only illuminates part of the screen

[ScummVM :: Bugs]

#12540: Ultima VI: Great Light spell only illuminates part of the screen
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Reporter:  bliznik                       |      Owner:  (none)
    Type:  defect                        |     Status:  new
Priority:  normal                        |  Component:  Engine: Ultima
 Version:                                |   Keywords:
    Game:  Ultima VI: The False Prophet  |
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 When I cast the Great Light spell, it only illuminates an area immediately
 around the Avatar. It doesn't illuminate the entire screen.

 Contrast this against when I drink a white potion (I believe this casts
 X-ray), and I can see the entire screen.

 I'm unsure if this is a bug or a feature though, since I believe this
 illuminates the entire area that I would normally be able to see on a 320
 x 240 screen. However, now that I can see a larger area in ScummVM, it
 would be nice to illuminate the entire visible area when I cast Great
 Light.

 On a related note, it seems like the min_brightness flag for scummvm.ini
 does not work. In the Nuvie Documentation
 (http://nuvie.sourceforge.net/?page=docs) there is a min_brightness flag
 that should be able to be set in order to brighten up darkened parts of
 the screen. I tried turning off darkness by setting this flag to
 "cheats/min_brightness=255" or "ultima6/min_brightness=255", but it does
 not work.
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Ticket URL: <https://bugs.scummvm.org/ticket/12540>
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