[Scummvm-tracker] [ScummVM :: Bugs] #11775: MYST3: Autosave does not work

[ScummVM :: Bugs]

#11775: MYST3: Autosave does not work
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Reporter:  ctoroman  |       Owner:  (none)
    Type:  defect    |      Status:  new
Priority:  normal    |   Component:  Engine: Myst3
 Version:            |  Resolution:
Keywords:            |        Game:  Myst 3: Exile
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Comment (by antoniou79):

 Replying to [comment:14 ctoroman]:
 > from scummvm.log file:
 > WARNING: Unable to open save 'Autosave.m3s'!
 > WARNING: Unable to open file Autosave.m3s for reading, slot 0!
 Do you have autosaving enabled from ScummVM's Global Options -> Misc tab?
 What is the period setting for it?

 I've loaded an old save yesterday for Myst 3 with ScummVM 2.9git (built
 from recent master HEAD) on Windows 10. I've noticed that I also did not
 have any autosave game. I've exited the game, made sure I had set an
 autosave interval (set mine at "every 5 minutes) and re-loaded my saved
 game. This time, after a while and after manually saving a game once
 (could be unrelated but it's what I did), I've noticed that an autosave
 has also been created, and while continuing playing the autosave was
 working as expected (it would save the progress at intervals).

 Some observations (could be irrelevant): the Myst3 engine is, as of yet,
 one of the engines that do not use the naming scheme for saved games that
 is typical for most other ScummVM engines. This means that the saved games
 on the file system actually get the description of the saved game as a
 filename with a "m3s" extension (and not the game-id with the slot number
 as a suffix or the extension). The Autosave file will be "Autosave.m3s" on
 the file system. As side effect the save files are shared across every
 Myst3 entry one might have added to ScummVM.

 Also I did get a bug which had the autosave appear with a black thumbnail,
 which might be connected to me setting the game at the background while
 doing other work, to test if it would save at the autosave interval. This
 did not happen while playing normally (autosave had a proper thumbnail) so
 it has specific conditions to be triggered.
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Ticket URL: <https://bugs.scummvm.org/ticket/11775#comment:15>
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