dc35852107
The vertex normals and tangent space attributes are not currently exposed by the XML API, in the Mesh node. This notably prevents the XML API user from applying normal maps to meshes in tangent space. To overcome this situation, this commit adds three attributes to the Mesh node: N: vertex normals tangent: tangents tangent_sign: tangent signs Nota: at the moment, these attributes are only available for non-subdivided meshes. Pull Request: https://projects.blender.org/blender/cycles/pulls/9
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