[Scummvm-tracker] [ScummVM :: Bugs] #17026: [PEGASUS] Pegasus Prime broken in 2026.3.0 release

[ScummVM :: Bugs]

#17026: [PEGASUS] Pegasus Prime broken in 2026.3.0 release
----------------------+-----------------------------------------------
Reporter:  RogerW123  |       Owner:  (none)
    Type:  defect     |      Status:  new
Priority:  normal     |   Component:  Engine: Pegasus
 Version:             |  Resolution:
Keywords:             |        Game:  Journeyman Project Pegasus Prime
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Comment (by eriktorbjorn):

 This appears to be the commit that broken it:

 {{{
 8f5741a37ae1a202d0600c4dc44f000ade832fcc is the first bad commit
 commit 8f5741a37ae1a202d0600c4dc44f000ade832fcc
 Author: Miro Kropacek <miro.kropacek at gmail.com>
 Date:   Thu Apr 16 15:28:14 2026 +1000

     AD: Skip detection for engines with no matching filenames

     When adding a game, every engine's detection table is traversed twice
     (once for MD5 pre-computation, once for matching) even if the game
     folder contains none of the files that engine cares about.

     Build a set of all unique filenames referenced by each engine's
     detection entries during preprocessDescriptions() (called once and
     cached). Before entering the expensive detection loops, check if any
     file in the game folder exists in this set. If not, skip the engine
     entirely.

     On the Atari backend with ~60 statically linked engines, this reduces
     the "Add game" time by about 30-40%.

  engines/advancedDetector.cpp | 35 +++++++++++++++++++++++++++++++++++
  engines/advancedDetector.h   |  1 +
  2 files changed, 36 insertions(+)
 }}}

 https://github.com/scummvm/scummvm/commit/8f5741a37ae1a202d0600c4dc44f000ade832fcc

 My guess (though I haven't verified it yet) is that this change only
 considers the raw filename, without considering that the Macintosh file
 reader tests a few additional ones when opening a file.
-- 
Ticket URL: <https://bugs.scummvm.org/ticket/17026#comment:2>
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