add draco compression to all assets

[kfarr]

steps:

• create demo that works with new compression and 1 asset
• update 3dstreet repo to support new compression
• update the 3dstreet-assets-dist repo to compress the assets

[kfarr]

Ok please note that I changed the structure of the repos
There are now 2 repos for assets

• https://github.com/3DStreet/3dstreet-assets-dist
• https://github.com/3DStreet/3dstreet-assets-source

3dstreet-assets-source is the same repo as the old 3dstreet-assets simply renamed
Whereas 3dstreet-assets-dist ONLY has compressed files for distribution
Also 3dstreet-assets-dist is CNAMED to assets.3dstreet.app

I attempt to maintain the same directory structure on both but simply to not include any source files or unneeded files in 3dstreet-assets-dist

[gnansai]

https://github.com/gnansai/3dstreet-assets-dist/tree/main/Gltf-BatchConvertor
I wrote Node js script for Batch processing glb files in "3dstreet-assets-dist".
It adds meshopt compression gltfpack -i ${file} -o ${file} -cc -kn on all glb files in a folder.

[djoksimo]

Although I understand this issue is regarding batch gltf processing since there's lots of models, I thought I'd share this visual tool that I found to be super handy for inspecting, processing, and compressing individual gLTFs: https://gltf.report

[gnansai]

Thanks for sharing this tool.

[kfarr]

Hi @gnansai sorry for the delay. Thank you for providing the script.

The goal of this is to have the meshopt compressed files in a separate path, not to replace the uncompressed versions. We should follow the same /meshopt/ directory structure that we used in loud bicycle game assets, such as this example:
https://github.com/3DStreet/3dstreet-assets-dist/tree/main/sets/cargo-bike-animation/gltf-exports/meshopt

Can you update your fork to reflect that? https://github.com/gnansai/3dstreet-assets-dist

[kfarr]

Also the newly meshopt compressed files in this assets dist repo should match the same /sets/ directory structure found in source repo.

No new objects should be placed in the /objects/ directory