Terrain data format

Posted by Jonas 5 years ago
mods

Modding

We are starting to see some really cool mods for Subnautica, which is impressive, because we did not create Subnautica with mod support in mind. We do not have the manpower to improve mod support, but we can save you some time reverse engineering our files. So here is how our terrain data works under the hood. Definitely ping me on Twitter or post on our forums, if you managed to build something cool with this information!

Terrain Data

Subnautica uses an isosurface polygonization algorithm called Dual Contouring to create terrain surface meshes from voxel data. The voxel data is stored in batches, each covering a cubic volume measuring 160 m on a side. Each batch is subdivided …

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