GLTF: Improve logic for keeping track of the real root node #80272
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aaronfranke
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This was referenced Aug 20, 2023
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adamscott
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Reviewed during the #animation/#asset-pipeline meeting. This should be considered a bug fix, because the logic it changes was plain wrong (wrong order of calls). Discussed about compatibility breaking, it would break compatibility in some cases if you have a node name that matches the GLTF scene name (which rarely happens).
We need to document the breaking compatibility.
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This PR improves the logic for keeping track of the real root node. There is now a method called
_generate_scene_node_treewhich is the parent method that generates a single root node, and generates nodes under it (starting with the GLTF root nodes). In the current master, the GLTF importer fishes out the real root node by grabbing a GLTF root node and then getting its parent, super janky.