[Scummvm-tracker] [ScummVM :: Bugs] #15597: SCUMM: DIG: Space bar glitch with vertical scrolling in Macintosh Demo

[ScummVM :: Bugs]

#15597: SCUMM: DIG: Space bar glitch with vertical scrolling in Macintosh Demo
---------------------+----------------------------
Reporter:  dwatteau  |       Owner:  (none)
    Type:  defect    |      Status:  new
Priority:  normal    |   Component:  Engine: SCUMM
 Version:            |  Resolution:
Keywords:            |        Game:  The Dig
---------------------+----------------------------
Comment (by eriktorbjorn):

 Something like this seems to fix the problem:

 {{{
 diff --git a/engines/scumm/gfx.cpp b/engines/scumm/gfx.cpp
 index 44dcdf22f9b..fb78f408fea 100644
 --- a/engines/scumm/gfx.cpp
 +++ b/engines/scumm/gfx.cpp
 @@ -1635,7 +1635,7 @@ void ScummEngine::drawBox(int x, int y, int x2, int
 y2, int color) {
  void ScummEngine::drawLine(int x1, int y1, int x2, int y2, int color) {
         if ((_game.platform == Common::kPlatformFMTowns && _game.version
 == 5) ||
                 (_game.platform == Common::kPlatformMacintosh &&
 _game.version > 3)) {
 -               drawBox(x1, y1, x2, y2, color);
 +               drawBox(x1, _screenTop + y1, x2, _screenTop + y2, color);
                 return;
         }
 }}}

 But I'm very fuzzy on the details on how this actually works...
-- 
Ticket URL: <https://bugs.scummvm.org/ticket/15597#comment:1>
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