Originally was noticed when adding drivers to a rigid body., but
it could potentially happen with any configuration.
The reason for the crash was that the ID which was modified was
not tagged as such.
Modifying drivers from the interface are likely tagging for updates
from the operator. This change makes it so the python function also
does tagging.
It is not really how one would design the system nowadays, but it
is how the Blender historically handles such cases. A bigger refactor
is possible to move tags to the places where modification actually
happens, but it seems to be a better idea to tackle it as a separate
project which will be considered no-functional-changes.
Pull Request: https://projects.blender.org/blender/blender/pulls/109895
In edit mode the uv map data length gets set to zero. The specialized
MLoopUV code used to have a check to detect this when trying to access
the UVs using foreach_get/set . Add this check for the Attribute code
path as well.
Pull Request: https://projects.blender.org/blender/blender/pulls/109179
Since d8388ef36a, the "frame_change_post" handler could not be used
anymore to detect when animation playback stopped.
This functionality is needed by certain addons though and is generally
usefull to have, so this is now added.
Related reports : #109168, #109218
Pull Request: https://projects.blender.org/blender/blender/pulls/109232
It was assumed destination buffers were at least 1024 bytes which could
overflow by 256 bytes for sequencer directories. Resolve by passing the
destination buffer size to BKE_bpath_foreach_path_fixed_process.
Also remove strcpy use in foreach_path_clean_cb.
The Python API uses the term size for string lengths for
PyUnicode_AsUTF8AndSize and related API's, causing Blender's return
arguments to use the term `size` too in some cases.
This is error prone since Blender includes space from the the null byte
when the term size is used (by convention).
Store subdivision surface creases in two new named float attributes:
- `crease_vert`
- `crease_edge`
This is similar to 2a56403cb0.
The attributes are naming conventions, so their data type and domain
aren't enforced, and may be interpolated when necessary. Editing tools
and the subdivision surface modifier use the hard-coded name. It might
be best if these were edited as generic attributes in the future, but
in the meantime using generic attributes helps.
The attributes are visible in the list, which is how they're now meant
to be removed. They are now interchangeable with any tool that works
with the generic attribute system-- even tools like vertex paint can
affect creases now.
This is a breaking change. Forward compatibility isn't preserved for
versions before 3.6, and the `crease` property in RNA is removed in
favor of making a smaller API surface area with just the attribute API.
`Mesh.vertex_creases` and `Mesh.edge_creases` now just return the
matching attribute if possible, and are now implemented in Python.
New functions `*ensure` and `*remove` also replace the operators to
add and remove the layers for Python.
A few extrude node test files have to be updated because of different
(now generic) attribute interpolation behavior.
Pull Request: https://projects.blender.org/blender/blender/pulls/108089
PyUnicode_AsUTF8AndSize is used when renaming a custom python property,
this method stores the size of the string without including the null
terminator in the size.
Renaming a custom python property now includes the null terminator when
copying the new string name.
Pull Request: https://projects.blender.org/blender/blender/pulls/107983
Face maps were added as a prototype of a new rigging solution during
2.8 development. Their storage is redundant with the newer generic
attribute system (specifically with integer face attributes), and
they were never used much. This commit removes the face map list
and converts the storage to an attribute with the name `face_maps`.
There is nowhere to store the face map names anymore, so those
are not kept.
It probably still makes sense to have a feature like mesh face gizmo
selection for rigging. But the design and implementation woulds likely
have to change significantly, including possibly changing the storage
type, and making use of the generic attribute system instead of a
special type.
See #105317 for more discussion.
A lot of files were missing copyright field in the header and
the Blender Foundation contributed to them in a sense of bug
fixing and general maintenance.
This change makes it explicit that those files are at least
partially copyrighted by the Blender Foundation.
Note that this does not make it so the Blender Foundation is
the only holder of the copyright in those files, and developers
who do not have a signed contract with the foundation still
hold the copyright as well.
Another aspect of this change is using SPDX format for the
header. We already used it for the license specification,
and now we state it for the copyright as well, following the
FAQ:
https://reuse.software/faq/
When a file passed in from the command line failed to load,
blender would exit & save the quit.blend.
Resolve by adding a `do_user_exit_actions` to WM_exit_ex which is
false in backgrounds mode or when an error has occurred.
---
Back-ported [0] & [1] from main with fix [2] included.
[0]: c803ddab29
[1]: d7d1c524e3
[2]: d3d91b79e0
This function replaced the evaluated mesh with a new one with the given
custom data type mask. That doesn't work in general anymore for a few
reasons: the increased dependence on named attributes (a opposed to
custom data types), and the "all or nothing" approach to reevaluating
the depsgraph. Other objects might depend on the object's evaluated
geometry, so it shouldn't just be replaced. Pushed a bit further, this could
give nice simplifications to mesh modifier evaluation.
There are two breaking changes, `bmesh_from_object` and BVH tree
`FromObject` require the source object to have a proper evaluated
mesh now.
If this causes a regression, it's likely that the object is missing
an update tag when a mode is entered that requires extra evaluated data.
Pull Request: https://projects.blender.org/blender/blender/pulls/106186
When a file passed in from the command line failed to load,
blender would exit & save the quit.blend.
Resolve by adding a `do_user_exit_actions` to WM_exit_ex which is
false in backgrounds mode or when an error has occurred.
This would print whenever 'bpy' was imported, because in this case
Blender's Python integration loads all modules immediately because it
can't import modules as needed via the inittab mechanism.
Also correct code-comments for why inittab can't be used.
Optionally extract all help text, even for options not available
on the current platform or with the current build options.
Useful so it's possible to extract help text for the user-manual
which doesn't depend on the blender build used for extraction.
This hard-coded assumption meant that operators would behave as if
bl_property = "type" was assigned in the operator - when the variable
wasn't found.
Remove the hard coded name. Operators that depended on this now need
to assign bl_property = "type" in the operator class explicitly.
Remove this because it wasn't documented as means operator behavior
could change unexpectedly when renaming a property.
Some property labels need a context to disambiguate them from others
which have the same name.
The only way to show the proper text currently for such properties is
to override it in the UI code with a translation context, like:
```python
layout.prop(obj, "area", text="Area",
context=i18n_contexts.amount)
```
Python properties already store a translation context though, but this
context cannot be chosen from a Python script.
For instance, typing:
```python
bpy.types.Scene.test_area = bpy.props.BoolProperty(name="Area")
print(bpy.context.scene.bl_rna.properties['test_area'].translation_context)
```
will print `*`, the default context for Python props.
This commit allows specifying a context in this manner:
```python
from bpy.app.translations import contexts as i18n_contexts
bpy.types.Scene.test_number_area = bpy.props.BoolProperty(
name="Area", translation_context=i18n_contexts.amount
)
print(bpy.context.scene.bl_rna.properties['test_number_area'].translation_context)
```
will now print `Amount` and can be translated differently from other
labels. In this instance, the word for a surface area measurement,
instead of a UI area.
-----
This is what translated properties look like using the existing ("Area", "") and ("Area", "Amount") messages:
The panel can be generated with this script:
[python_prop_contexts_test.py](/attachments/ab613cdc-8eba-46bc-8f3c-ad0a97e7a6e5)
Pull Request: https://projects.blender.org/blender/blender/pulls/107150
Some property labels need a context to disambiguate them from others
which have the same name.
The only way to show the proper text currently for such properties is
to override it in the UI code with a translation context, like:
```python
layout.prop(obj, "area", text="Area",
context=i18n_contexts.amount)
```
Python properties already store a translation context though, but this
context cannot be chosen from a Python script.
For instance, typing:
```python
bpy.types.Scene.test_area = bpy.props.BoolProperty(name="Area")
print(bpy.context.scene.bl_rna.properties['test_area'].translation_context)
```
will print `*`, the default context for Python props.
This commit allows specifying a context in this manner:
```python
from bpy.app.translations import contexts as i18n_contexts
bpy.types.Scene.test_number_area = bpy.props.BoolProperty(
name="Area", translation_context=i18n_contexts.amount
)
print(bpy.context.scene.bl_rna.properties['test_number_area'].translation_context)
```
will now print `Amount` and can be translated differently from other
labels. In this instance, the word for a surface area measurement,
instead of a UI area.
-----
This is what translated properties look like using the existing ("Area", "") and ("Area", "Amount") messages:
The panel can be generated with this script:
[python_prop_contexts_test.py](/attachments/ab613cdc-8eba-46bc-8f3c-ad0a97e7a6e5)
Pull Request: https://projects.blender.org/blender/blender/pulls/107150
Store bevel weights in two new named float attributes:
- `bevel_weight_vert`
- `bevel_weight_edge`
These attributes are naming conventions. Blender doesn't enforce
their data type or domain at all, but some editing features and
modifiers use the hard-coded name. Eventually those tools should
become more generic, but this is a simple change to allow more
flexibility in the meantime.
The largest user-visible changes are that the attributes populate the
attribute list, and are propagated by geometry nodes. The method of
removing this data is now the attribute list as well.
This is a breaking change. Forward compatibility is not preserved, and
the vertex and edge `bevel_weight` properties are removed. Python API
users are expected to use the attribute API to get and set the values.
Fixes#106949
Pull Request: https://projects.blender.org/blender/blender/pulls/108023
Add a ensure_utf8 argument to WM_clipboard_text_get so callers don't
have to handle validation themselves.
Copying non-utf8 text into the Python console and buttons was possible,
causing invalid cursor position and a UnicodeDecodeError accessing
ConsoleLine.body from Python.
