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Pieter-Jan Briers
7dd107e1a4
* DVD file overlay support Fixes #163 Basically allows games to "overlay" a set of file paths over the DVD. These are provided as a flat list of absolute paths, and when an overlayed file is read, the game gets the ability to provide its own read/seek callbacks. The current implementation rebuilds the FST. This means EntryNums will not be consistent with the original disc, but it does avoid rewriting a significant chunk of the existing DVD code that relies on the FST. * Comments and a guard * EntryNum handling rewrite Game now assigns entrynums for added files, and original disc entrynums are preserved. * Split FST logic into another file in dvd lib * Fix overlay userdata 0 Dusklight was using integer indexes for the userdata of overlay files. This meant file 0 was a null void*, and that meant the DVD code didn't treat it as an overlaid file. Add an extra bool to avoid getting confused like this. * Make entryNum only validated if not replacing file * Make FST rebuilds thread safe with concurrent readers Since I kinda would like to eventually allow mods to be loaded without game restart (where practical) * Doc updates * Remove debug logs * Aurora-allocated entry nums & dir support * Add warning for resetting cwd --------- Co-authored-by: Luke Street <luke@street.dev>