kyoubate-haruka d5bde32df7 ewf: implement EWF virtualization (#84)
(Yeah, I know the OS may cache disk reads, but that wasn't the concern)

The ALLS series of cabs runs EWF to prevent anything from being written to C:\.

This PR adds another layer to iohook to redirect specific open/read/write/close operations to a virtual file table to prevent disk activity, and thus simulate the presence of EWF. This was mainly aimed at ALPB's billing files. Seriously, look at this - especially the timestamps, Sega wtf are you doing.

This does not affect other path hooks. It's turned off by default and will throw an error if the current executable resides on C:\.

Tested with FGO and APMv3.

![22bf755754[1].png](/attachments/31771aee-2e4d-4e4f-85e3-c5eec63c6f78)

Reviewed-on: https://gitea.tendokyu.moe/TeamTofuShop/segatools/pulls/84
Co-authored-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
Co-committed-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
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Segatools

Version: 2025-11-04

Loaders and hardware emulators for SEGA games that run on the Nu and ALLS platforms.

List of supported games

  • Card Maker
    • starting from Card Maker
  • CHUNITHM
  • crossbeats REV.
    • up to crossbeats REV. SUNRISE
  • Fate/Grand Order
    • Fate/Grand Order Arcade
  • Hatsune Miku: Project DIVA Arcade
    • up to Future Tone
  • Initial D
  • maimai DX
    • starting from maimai DX
  • Mario & Sonic
    • Mario & Sonic at the Tokyo 2020 Olympics Arcade
  • O.N.G.E.K.I.
    • starting from O.N.G.E.K.I.
  • SEGA World Drivers Championship
    • SEGA World Drivers Championship 2019
  • WACCA
    • starting from WACCA
  • Kemono Friends
    • Kemono Friends 3: Planet Tours
  • ALL.Net P-ras MULTI Version 3
    • starting from ALL.Net P-ras MULTI Version 3 1.01

End-users

For setup and configuration guides, refer to the dedicated documents available for each game, see the links in the previous section.

Contributors

If you are/want to be a contributor of any kind, e.g. new features, bug fixes, documentation improvements, ..., please read the contributing documentation, first.

Developers

For development setup and instructions how to build the project, refer to the dedicated development documentation.

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