OpenIV: work inside archives
Mirror an RPF archive and change a handling value without touching the original.
Archive boundaries matter
RPF archives are containers, not ordinary Windows directories. The lab expands their contents so you can practice the OpenIV workflow. In a real install you inspect and edit them with OpenIV, using a compatible ASI loader and OpenIV.ASI. This fixture has those dependencies prepared.
Mirror the whole relative path
The working copy of GTA V/update/update.rpf belongs at GTA V/mods/update/update.rpf. Copy the archive before editing it. The original is your baseline; a similarly named empty directory is not a backup.
Make one deliberate data change
This lab contains a simplified handling.meta excerpt under common/data inside the archive. Change the working copy’s fMass from 1700.0 to 1800.0. The validation checks both the changed copy and the untouched original. A real handling.meta contains more structure than this teaching excerpt.
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