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JogmansonReal
48 lines
2.4 KiB
Markdown
48 lines
2.4 KiB
Markdown
# August 2023 interop repair
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For the exact Rec Room 20230825 metadata header fingerprint and the installed
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BepInEx 6.0.0-be.697 loader. This fixes interop generation, not login or gameplay.
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It does not change GameAssembly.dll or the metadata used by the native game.
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Requirements: Node.js, .NET 9 SDK, and the August build's BepInEx core libraries.
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Run from the repository root, with the game closed during installation.
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```powershell
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$gameRoot = 'C:\RecRoom\2023-08-29T06-53-33Z'
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$core = Join-Path $gameRoot 'BepInEx\core'
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$metadataDir = Join-Path $gameRoot 'RecRoom_Data\il2cpp_data\Metadata'
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node tools/AugustInterop/normalize.cjs "$metadataDir\global-metadata.dat" artifacts/august-normalized-metadata.dat
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dotnet run --project tools/AugustInterop -- "$core" artifacts/august-normalized-metadata.dat "$gameRoot\GameAssembly.dll"
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```
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The normalizer checks the exact shuffled header, table bounds, image/type counts,
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and every repaired module row. All other records remain unchanged. The C# tool
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uses the installed LibCpp2IL to verify metadata and native registration parsing.
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To reproduce the loader modification, use the original loader backup as input:
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```powershell
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dotnet run --project tools/AugustInterop -- --patch-loader "$core\BepInEx.Unity.IL2CPP.dll.before-august-interop" artifacts/BepInEx.Unity.IL2CPP.dll
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```
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For a different installation path, pass `-p:BepInExCore=<path-to-core>` when
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building. The patch tool requires a separate output file and exactly one matching
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metadata filename instruction. Preserve the original loader before installation.
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Installation performed locally:
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- Normalized copy: `RecRoom_Data/il2cpp_data/Metadata/global-metadata.interop.dat`.
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- Modified loader: `BepInEx/core/BepInEx.Unity.IL2CPP.dll`.
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- Original loader: same path plus `.before-august-interop`.
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- Native `global-metadata.dat`: unchanged by this interop repair.
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Launch `RecRoom.exe +forcemode:screen`. Successful generation ends with
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`Il2CppInteropGen ... Done!` and `Chainloader startup complete`, and writes
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`BepInEx/interop/assembly-hash.txt`. Keep `UpdateInteropAssemblies = true`.
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Do not copy March-generated interop assemblies into this build.
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Rollback: close the game and restore the original loader from its backup. The
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separate normalized file can remain on disk; the original loader never reads it.
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The old loader will again reject this release's custom metadata if regeneration
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is needed. If the game build changes, this exact mapping must be revalidated.
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