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See T95597
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- LazyRef utility class that provides a hashable field reference.
- NodeMerger plugin for grouping abstract points by distance.
- pose.rigify_copy_single_parameter operator for copying a single
property to all selected rigs that inherit from a specific class
(intended to be used via property panel buttons).
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Due to dynamically loaded rig modules, Rigify has to implement
reload by purging all non-core modules from memory, or class
inheritance checks won't work right after reload.
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The main goals are to provide an official way for rigs to
interact in a structured way, and to remove mode switching
within rigs.
This involves introducing a base class for rigs that holds
rig-to-rig and rig-to-bone references, converting the main
generator into a class and passing it to rigs, and splitting
the single generate method into multiple passes.
For backward compatibility, old rigs are automatically handled
via a wrapper that translates between old and new API.
In addition, a way to create objects that receive the generate
callbacks that aren't rigs is introduced via the GeneratorPlugin
class. The UI script generation code is converted into a plugin.
Making generic rig 'template' classes that are intended to be
subclassed in specific rigs involves splitting operations done
in each stage into multiple methods that can be overridden
separately. The main callback thus ends up simply calling a
sequence of other methods.
To make such code cleaner it's better to allow registering
those methods as new callbacks that would be automatically
called by the system. This can be done via decorators.
A new metaclass used for all rig and generate plugin classes
builds and validates a table of all decorated methods, and
allows calling them all together with the main callback.
A new way to switch parents for IK bones based on the new
features is introduced, and used in the existing limb rigs.
Reviewers: icappiello campbellbarton
Differential Revision: https://developer.blender.org/D4624
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Instead of adding the feature set installation directory
to the global path, and thus inserting the modules into
the top level namespace, add an empty rigify.feature_sets
package and use __path__ to redirect the module loader
to read its sub-modules from the feature set directory.
Now feature set modules are effectively installed into
that package and loaded as 'rigify.feature_sets.foo'.
As an aside, clean up loading code to avoid weird path
manipulations, add more safety checks when installing sets,
and add a way for sets to expose a user-friendly name.
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Verify the basic expected directory structure inside the ZIP
archive before installing it, and catch exceptions when loading
the already installed packages.
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As suggested by @icappielo, and after discussion with @meta-androcto,
I start a public request to commit third-party contributions already
accepted to https://github.com/eigen-value/rigify/tree/rigify_0.6_beta
Specifically, this includes:
* User-defined rig package (feature set) support by @pioverfour.
This allows users to install pre-packaged rig sets via zip
files, which become accessible together with built-in rigs,
as discussed in T52758.
https://github.com/eigen-value/rigify/pull/1
* Modularization of python script generation, allowing rigs to
add their own utility functions and operators to the generated
script. This is critical to make custom rig support really
useful.
https://github.com/eigen-value/rigify/pull/5
* The utils.py file is split into multiple modules with a backward
compatibility proxy for old functions.
* Automatic verification that different rigs don't try to create
different rig settings with the same name to alleviate increased
risk of namespace conflicts with custom rigs.
https://github.com/eigen-value/rigify/pull/7
* New utility class that implements bone layer selection UI.
https://github.com/eigen-value/rigify/pull/6
* New utilities to replace copy & pasted boilerplate code for
creating custom properties, constraints and drivers.
https://github.com/eigen-value/rigify/pull/11
Some other random changes by MAD have likely slipped through.
These changes have already been extensively discussed and accepted
into the branch by @luciorossi, so I see no reason not to commit
them to the official repository to be tested during 2.8 beta.
Reviewers: icappiello
Differential Revision: https://developer.blender.org/D4364
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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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rig types.
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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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