Relative paths with ".." in .gltf files don't work

[hut]

Thanks for the great plugin, love it!

There's a bug (in v0.11.0) when there is a relative path with ".." in a .gltf file.

(.gltf files store 3D models and are a slim variant of .glb files where textures and vertex data are not embedded, but stored in external files, so that you can reuse those for different 3D models.)

Example setup

• assets/textures/solarpanel.jpg (the texture)
• assets/models/satellite.bin (the vertex data)
• assets/models/satellite.gltf (the entire model that pulls in the texture and vertex data)

You can find this setup in my git repo at this specific commit: https://codeberg.org/outfly/outfly/src/commit/2873894003838ef9fcccdeb52538e49c23c1b48e

The file satellite.gltf contains references to satellite.bin and ../textures/solarpanel.jpg:

[...]
	"images":[
		{
			"mimeType":"image/jpeg",
			"name":"solarpanel",
			"uri":"../textures/solarpanel.jpg"
		}
	],
[...]
	"buffers":[
		{
			"byteLength":35576,
			"uri":"satellite.bin"
		}
	]
}

Expected Result

Without this plugin, both satellite.bin and solarpanel.jpg are correctly integrated into the model. I would expect the same when enabling this plugin.

Actual Result

• satellite.bin is integrated correctly.
• when looking for "../textures/solarpanel.jpg", it doesn't expand to "textures/solarpanel.jpg" but instead remains literally "models/../textures/solarpanel.jpg" and I get this error:

ERROR bevy_asset::server: Path not found: models/../textures/solarpanel.jpg

Workaround

My workaround was to move assets/textures/solarpanel.jpg to assets/models/textures/solarpanel.jpg so that there is no ".." in the uri parameter in the .gltf file anymore, but instead textures/solarpanel.jpg.

But it would be great if ".." would just work.

Thank you very much.