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Arm/leg rig upgrades:
- Arms and legs no longer scale with their parents, which was
problematic when e.g. the torso of a character did
squash-and-stretch causing the arms/legs to distort and shear.
- Squash-and-stretch for both FK and IK rigs.
- Rubber hose controls.
Misc changes/bugfixes:
- Rigify now locks all pose transforms for non-control bones
automatically.
- The README file now correctly reflects the new rig-type API.
- Scrubbed the code for unused variables and imports.
- PEP8 cleanups.
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This makes it much easier for e.g. someone to branch Rigify for
custom purposes, since there won't be weird name conflicts.
Also changed from using __import__() for dynamic imports to using
importlib.import_module(). This simplifies the code and should
be more robust.
Finally, misc pep8 cleanups.
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The biggest fixes relate to keeping ID data modification out of
draw methods. This was breaking Rigify with the current API.
Secondary fix was to move widget meshes to match the bones, even
if the widget meshes already exist. It's nice for when the user
is progressively tweaking the metarig.
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Blender increased object name length limit from 21 to 63 at some point,
and I hadn't update Rigify to reflect that. This enables better reliability
with respect to widget shapes.
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involve any drivers.
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- remove/comment unused variables
- remove unused imports
- fixed some bugs using incorrect variables
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This is the last piece that should allow some pretty extensive custom rigging
in the metarig, if advanced users choose to do so.
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This allows advanced users to do certain limited custom rigging work
in the metarig, and have it transfer to the generated rig.
Custom properties are also copied when using the copy_bone function
in utils.
TODO: transfer drivers from the metarig as well.
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The layer names are then used in creating the custom rig layer UI. This is
useful for users that do not want to--or do not have the knowledge to--edit
the generated python script by hand. It is also handy even for more advanced
users when regerating the rig over and over (which over-writes the script
and any hand-made edits).
Also misc bug fixes in some of the rig types.
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the rig.
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Clean-up of the IK/FK snapping code. Should be much more maintainable now.
Also changed rig id generation. Rig id's now consist of a random
alphanumeric string 8 characters long, with the smallest 8 digits of seconds
since the epoc (in hex) at the time of rig generation appended on the end.
This results in a 16-character string that is ludicrously unlikely to
have any collisions between rigs. 36^8 * 16^8, with the 16^8 being very well
distributed over time. Ah... paranoia.
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Also cleaned up how some of the operators work. They weren't playing nice
with undo.
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