Godot 4.2.1 AnimationPlayer cannot rotate runtime-loaded GLB bones via
':rotation' track paths. The AnimationPlayer only updates bone positions,
not rotations, on runtime GLB skeletons.
This fix replaces the entire animation approach:
- Remove AnimationPlayer track-based rotation attempts
- Add code-driven system that stores animation keyframe data in
dictionaries and applies bone rotations directly via
skeleton.set_bone_pose_rotation() each frame
- _is_animation_broken() detects Blender GLTF track stripping
- _ensure_locomotion_animations() replaces broken GLB anims with
procedural data
- _apply_procedural_animation() interpolates euler angles, converts
to Quaternion via Quaternion.from_euler(), and applies per bone
Hermes
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