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lasalvavida avatar lasalvavida commented on May 29, 2024

These are nodes to which COLLADA has assigned lights, so they aren't considered to be unused. However exporting PBR does not currently reference lights, so they appear as unused empty nodes.

For now I will consider light nodes unused for PBR so that they are optimized out until the KHR_lights extension is further along.

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lexaknyazev avatar lexaknyazev commented on May 29, 2024

Current validation rule is to consider a node to be empty if it has none of:

  • children
  • mesh
  • camera
  • extensions
  • extras

and it's not referred by skin.joints.

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lasalvavida avatar lasalvavida commented on May 29, 2024

Fixed in #47

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