Refactor Spline Attribute Storage #93233
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Reference: blender/blender#93233
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While it works quite well, the storage of attributes on splines has an important issue.
Attribute names are stored on all splines. Conceptually this is wrong, since attributes
are supposed to have the same names, types, and orders, on every spline of a curve.
But it is also inefficient, since we store a full
CustomDataLayer
for every attributeon every spline, when all we really need is a pointer.
This task is for changing that in a few ways:
CustomDataAttributes
for the control point domain.AttributeID
with astring
or an anonymous attribute reference.VectorSet
of attribute IDs.PointAttributeKey
fromCurveEval
PointAttributeKey
to retrieve specific attributes from splines.foreach_attribute_array
callback, possibly with an option to position and handles, etc.Changed status from 'Needs Triage' to: 'Confirmed'
Added subscriber: @HooglyBoogly
Added subscriber: @GeorgiaPacific
Changed status from 'Confirmed' to: 'Archived'
Closing this in favor of #94193, which proposes a larger change.