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36 lines
1.7 KiB
36 lines
1.7 KiB
This repository contains some code that was supposed to help me fix my avatar |
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in [Resonite], which turned out to not be appropriate for public instances. |
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Unfortunately I have yet to actually make the round-trip back into Resonite |
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work properly. Unsure if I'm mapping the bones correctly. |
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### How it works |
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Because Resonite does not (yet) allow "skinned" meshes (with bones and weights |
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and all that stuff) to be exported in a way that keeps the skinning information, |
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we have to go about it in a more roundabout way: |
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- Export the model as a Resonite Package, place in `test/Test.resonitepackage` |
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- Open the package, which is actually just a disguised `.zip` archive |
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- Read the `R-Main.record` entry, a JSON file |
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- The `assetUri` field points to the main asset file in the archive |
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- Parse this file using [BSON], a very horrible "Binary JSON" format |
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- The resulting `DataTree` contains the hierarchical node and component info |
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- Types are encoded as IDs, which we can decode using a lookup array |
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- Process assets we care about, so meshes, textures, and materials |
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- These assets can then be referenced by their ID by other nodes |
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- Go through all nodes and attach meshes to them if they have some |
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- Export the whole thing as `test/scene.glb` with [SharpGLTF] |
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**NOTE:** It might be possible to parse a good chunk of this with Resonite's |
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own library, but it probably requires setting up an `Engine` or so for it to |
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process all the related files. I don't have the know-how to do that. |
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**NOTE:** The paths to the Resonite libraries are hardcoded in `Res2tf.csproj` |
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so if you'd like to use this yourself you will have to change them. |
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[Resonite]: https://resonite.com/ |
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[SharpGLTF]: https://github.com/vpenades/SharpGLTF |
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[BSON]: https://bsonspec.org/ |