[Scummvm-tracker] [ScummVM :: Bugs] #16029: LASTEXPRESS: DEMO: Demo reel does not play when idle at Egg screen

[ScummVM :: Bugs]

#16029: LASTEXPRESS: DEMO: Demo reel does not play when idle at Egg screen
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Reporter:  antoniou79  |      Owner:  (none)
    Type:  defect      |     Status:  new
Priority:  normal      |  Component:  Engine: LastExpress
 Version:              |   Keywords:
    Game:              |
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 This was tested with a recent local build for 2.10.0git from master HEAD
 on Windows 10 x64 (with MSYS2/Mingw64, all updates).

 I played the DEMO (English, Windows) provided from the ScummVM web site
 (the files seem to be the same as the ones contained in the demo available
 from Jordan Mechner's site).

 What should happen (what happens when playing the DEMO with DosBox):
 - At the egg menu screen (brought up when the game launches, or after
 clicking on the egg while in-game, or after an ending), if left idle for
 about 2 minutes, a demo reel should play (a sequence of game screenshots,
 while music is playing), then the egg menu appears again and the process
 repeats (if left idle for another 2 minutes, the demo reel will play
 again).
 - After fully playing the demo reel, the egg on the menu gets fully
 rewound to 5:30.
 - If the demo reel starts and the player then skips it with right click,
 the egg on the egg menu screen keeps the time is was showing previously
 before the demo reel.

 What happens in ScummVM:
 - If you let the egg menu screen idle for 2 minutes, the screen shortly
 fades into the demo reel's first screen (a train image) and music starts
 playing but half a second later it abruptly stops and quickly fades back
 to the egg menu screen. So it seems that it's about to show the demo reel
 but automatically skips it.
 - After this abrupt demo reel bug, the time on the egg seems to stay the
 same, except after getting the bad ending. After that, the time is
 properly rewound from 6:00 to about 5:48 (this is expected), and after
 leaving the screen idle, getting the abrupt demo reel and returning back
 to the egg menu, it was then showing 6:00.

 So the potential issues are thus:
 - The full demo reel should be shown
 - After the demo reel plays fully, the time should be fully rewound.
 - If the demo reel is skipped (right click), the time on the egg stays as
 it were.

 Presumably this demo reel will also play when ending the demo in a win
 state (but I have not tested this on DosBox yet).
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Ticket URL: <https://bugs.scummvm.org/ticket/16029>
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