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[VFS/STFS] STFS structure improvements & CON support #1793

Merged
merged 8 commits into from
May 5, 2021
Merged

[VFS/STFS] STFS structure improvements & CON support #1793

merged 8 commits into from
May 5, 2021

Commits on May 5, 2021

  1. [VFS] STFS/XContent structure improvements 

    Now makes use of xe::be<T> and removes need for read() method
    @emoose
    emoose committed May 5, 2021
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  2. [VFS/STFS] Update mmap_total_size & total_allocation_units()

    @emoose
    emoose committed May 5, 2021
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  3. [VFS/STFS] Fix BlockToOffsetSTFS for non-read_only_format (CON) packages 

    Previous code would give wrong results for those types of packages as the block_shift would cancel itself out, moving it to happen afterward let it give the right result though, probably a mistake while reversing it.
(eg. block 0 would give 0xB000, but that's wrong for non-read_only packages as 0xA000 and 0xB000 are reserved for the first hash-table there, fixed code returns the correct 0xC000 offset)

Also changed it to a multiply & renamed it to blocks_per_hash_table to make it more obvious what the purpose is.
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  4. [VFS/STFS] Add BlockToHashBlockOffsetSTFS for more accurate hash tabl… 

    …e offset
    @emoose
    emoose committed May 5, 2021
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  5. [VFS/STFS] Secondary hash-block improvements 

    GetBlockHash now visits upper-level hash tables (if needed) to check the active_index flag that decides if secondary hash-block should be used or not.
This should give better support for CON packages, important for X360 profiles/game saves (some well-used profiles can be heavily fragmented)
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  6. [VFS/STFS] Check for end-of-chain when reading dir entries, warn if c… 

    …hain size is wrong
    @emoose
    emoose committed May 5, 2021
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  7. [VFS/STFS] Cache any hash-blocks we read from in memory

    @emoose
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  8. [Base] Move XdbfLocale to xbox.h as XLanguage, let STFS headers use it 

    Renamed to XLanguage because AFAIK locale on Xbox is a different concept involving countries, this enum only involves languages though.
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