The game loads each member of a pack (Pack/**/*.pack.zs) as a resource of its own, in a heap sized by that member's
own entry in the resource size table. The port raised the entries of the mods' loose files only, so a mod that changed
a file inside a pack and shipped no table for it left the game's entry. A crash when heavy snow started in Hebra was
that: an .ainb member of about 13 KB loaded into a heap sized for the game's smaller copy, 0x48 bytes stayed free after
the file, the frame heap gave null for the 0x68-byte object the resource builds next, and main+0x21794c stored that
object's vtable at address 0.
restbl_overlay now unpacks each pack a mod serves and the game's copy of it with the dictionaries of
Pack/ZsDic.pack.zs, and raises each member's entry as it does a loose file's: by the growth for a member the game's
copy has, by the estimate of its type for one it lacks. It never lowers an entry, a mod's own table included, and the
log names the first members it raised. --probe-mods checks restbl_pack_raise on archives of its own, and docs/mods.md
says that the files inside packs count too.
🤖 Generated with [ECA](https://eca.dev) (nubank-anthropic/opus-5.5 - max)
Co-Authored-By: eca-agent <git@eca.dev>
The game sizes the buffer for a file from its entry in
System/Resource/ResourceSizeTable.*.rsizetable.zs, so a mod file that grew
could fail to load, and a file a mod added had no entry. With a player mod
enabled, romfs.c restbl_overlay now rebuilds the table at start from:
- the game's table;
- every table of this version that a mod (or the Xbox prompts folder) ships,
where the larger entry wins;
- a mod's table for another version, for that mod's own files only;
- each served mod file: a grown file's entry rises by the growth times its
type's factor, and an added file gets an estimate.
The factors come from the 1.4.3 table measured against its own files (most
types need the size plus at most 8 KiB; bfres 1.5x, bkres 2x, bgyml 3.85x).
The result is served from <profile>/mods/ and takes about 90 ms. A mod's
table no longer counts as a clash with the Xbox prompts. Game entries are
never lowered.
tests/mods_romfs_check.py checks the merged table and now passes probe-fs a
profile of its own.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
