This data-block was originally added in eb4e3bbe68.
However, that original plan wasn't fully implemented, with simulations
now integrated with geometry nodes and modifiers instead of a separate
data-block. We kept the data-block around anyway since we have the
loose plan of using a similar data-block to make global simulations
connected between multiple objects. But it may be a while before we
implement that, and in the meantime having this just causes confusion.
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/
Adds the initial stage for the grease pencil 3.0 project.
This patch includes:
* New ID and new object type.
* New DNA structures.
* New drawing engine for grease pencil (gpencil-next).
* Tests for the new grease pencil data-type.
* A few operators for conversion, switching modes and (simple) drawing.
Exposed to the user:
* An experimental option to switch to the new grease pencil.
* This will switch the grease pencil render engine to gpencil-next which can only render the new object type.
Current grease pencil objects will no longer render.
* Changing this option currently requires a restart of blender (for the keymap to update).
* A conversion setting in the `Object` > `Convert To` operator.
* A drawing operator in `Draw Mode`.
Pull Request: https://projects.blender.org/blender/blender/pulls/106848
Internal private struct was using `owner_id`/`self_id`, while the public
callback data struct was using `id_owner`/`id_self`.
Now using internal naming everywhere in lib_query related code, as
`owner_id` is already used in very low-level 'fundamental' part of the
code, e.g. in the `PointerRNA` struct, or in ID's 'loopback' pointers
for embedded data.
Note that this is only a very small first step toward proper naming
consistency for these type of data, the mismatch is currently spread all
over the code base.
We also need to document more formally the meaning and differences
between `self` and `owner` here.
`BKE_library_id_can_use_filter_id` would not handle properly cases where
the ID is a liboverride - it's hierarchy root pointer can point back to
virtually any kind of ID (although typically a Collection or Object).
This was breaking liboverride resync process in some rare cases, by
failing to remap the 'hierarchy root' pointer of some liboverrides.
Issue was that, when UI-related code _is_ requested in foreach_id
processing, `ID_SCR` screen ID type can actually use any kind of ID
(through e.g. the Outliner space).
So `BKE_library_id_can_use_filter_id` had to be updated with a new
parameter (whether UI-related data should be taken into account or not).
The logic in the initial commit (97dd107070) was broken in some cases,
and would end up tagging as unused IDs that had valid usages. It is
reverted by this commit..
For this new solution to #98029 (deleting unused archipelagos of data),
the logic handling dependency loops detection is reworked to rely on a
new tag in the relations entry of the relevant IDs, instead of
pre-tagging as unused the ID itself.
Further more, when a dependency loop is detected, the IDs in it cannot
be immediately tagged as unused, since it may be that the entry point
of that loop is later detected as actually used. So their relations
entries are not tagged as processed, and only the entry point of the
potential archipelago can be checked in that case, outside of the
recursive processing of dependencies.
The other IDs of the archipelago will then be processed again later, in
a state where at least one ID in the archipelago has a known state for
sure, which then allows for a safe evaluation of the other related data.
This commit should be backported to 3.3LTS.
Fix#107297: Crash on undoing "Use Nodes" step.
Fix (unreported) crash on undoing certain type of data deletion (like
collections) in some specific cases.
Main serious issues were in new handling of embedded IDs in ID swap code
(#107297), and in general in lib_query remapping code from
`BKE_lib_id_swap_full` in readfile code in undo case which could access
other IDs data, when it is not guaranteed to be valid at this point in
code.
Added an option flag to lib_query code to forbid access to the original
ID pointers in such cases.
This is the case e.g. of the `parent` collection pointer of collections
children of a scene's master collection, or some nodetree pointers in
the UI data (node editor).
Right now handling of this new flag is exactly the same as in owning
embedded case, the distiction between both usages will happen in future
commits.
This commit is expected to have no behavioral change at all.
The goal is to solve confusion of the "All rights reserved" for licensing
code under an open-source license.
The phrase "All rights reserved" comes from a historical convention that
required this phrase for the copyright protection to apply. This convention
is no longer relevant.
However, even though the phrase has no meaning in establishing the copyright
it has not lost meaning in terms of licensing.
This change makes it so code under the Blender Foundation copyright does
not use "all rights reserved". This is also how the GPL license itself
states how to apply it to the source code:
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software ...
This change does not change copyright notice in cases when the copyright
is dual (BF and an author), or just an author of the code. It also does
mot change copyright which is inherited from NaN Holding BV as it needs
some further investigation about what is the proper way to handle it.
Imgaes which are render results and the like should not be considered as
unused, even if they do not have actual users.
NOTE: this does not apply to 'regular' images, which should be purged by
the recursive purge code, even if they are currently shown in an Image
Editor (this is not actual data usage).
In some cases, there is a chance code already knows who might be the
owner of the given ID, in which case it can be more efficient to check
it first (especially in cases like embedded node trees or scene
collections, where the only other way is to loop over all possible
owners currently).
Will be used in next commit in some Outliner fix.
New remapper code would also fail in some cases when remapping
libraries, similar to the issue yesterday, because ID_LI type had no
mask value.
That would fail to remap `parent` member of a library to NULL when
deleting that parent, leading to a crash e.g. in Outliner tree building
code.
Reported by @JulienKaspar from Blender studio.
Cases were e.g. an object would use a material, and this material would
use this object (e.g. through a driver), even if both those data-blocks
are technically unused, they would remain forever since they were not
detected as such.
Now this is properly detected and purged as part of the 'recursive
purge' operation.
This commit renames enums related the "Curve" object type and ID type
to add `_LEGACY` to the end. The idea is to make our aspirations clearer
in the code and to avoid ambiguities between `CURVE` and `CURVES`.
Ref T95355
To summarize for the record, the plans are:
- In the short/medium term, replace the `Curve` object data type with
`Curves`
- In the longer term (no immediate plans), use a proper data block for
3D text and surfaces.
Differential Revision: https://developer.blender.org/D14114
For an upcoming project we would want to match multiple id types in a
single go. To not replicate the implementation using other types we
introduce `BKE_library_id_can_use_filter_id` that returns all supported
types as a filter.
Not all ID types have a filter_id (ID_LI, ID_KE, ID_SCR) These
exceptions are not available in the filter_id function.
Reviewed By: mont29
Maniphest Tasks: T95279
Differential Revision: https://developer.blender.org/D14061
Use a shorter/simpler license convention, stops the header taking so
much space.
Follow the SPDX license specification: https://spdx.org/licenses
- C/C++/objc/objc++
- Python
- Shell Scripts
- CMake, GNUmakefile
While most of the source tree has been included
- `./extern/` was left out.
- `./intern/cycles` & `./intern/atomic` are also excluded because they
use different header conventions.
doc/license/SPDX-license-identifiers.txt has been added to list SPDX all
used identifiers.
See P2788 for the script that automated these edits.
Reviewed By: brecht, mont29, sergey
Ref D14069
This change will make handling of liboverrides hierarchies (especially
resyncing) much easier and efficient. It should also make it more
resilient to 'degenerate' cases, and allow proper support of things like
parenting an override to another override of the same linked data (e.g.
a override character parented to another override of the same
character).
NOTE: this commit only implements minimal changes to add that data and
generate it for existing files on load. Actual refactor of resync code
to take advantage of this new info will happen separately.
Based on discussions from T95355 and T94193, the plan is to use
the name "Curves" to describe the data-block container for multiple
curves. Eventually this will replace the existing "Curve" data-block.
However, it will be a while before the curve data-block can be replaced
so in order to distinguish the two curve types in the UI, "Hair Curves"
will be used, but eventually changed back to "Curves".
This patch renames "hair-related" files, functions, types, and variable
names to this convention. A deep rename is preferred to keep code
consistent and to avoid any "hair" terminology from leaking, since the
new data-block is meant for all curve types, not just hair use cases.
The downside of this naming is that the difference between "Curve"
and "Curves" has become important. That was considered during
design discussons and deemed acceptable, especially given the
non-permanent nature of the somewhat common conflict.
Some points of interest:
- All DNA compatibility is lost, just like rBf59767ff9729.
- I renamed `ID_HA` to `ID_CV` so there is no complete mismatch.
- `hair_curves` is used where necessary to distinguish from the
existing "curves" plural.
- I didn't rename any of the cycles/rendering code function names,
since that is also used by the old hair particle system.
Differential Revision: https://developer.blender.org/D14007
Part of T91671.
Not much else to say, this is mainly a massive deletion of code.
Note that a few cleanups possible after this proxy removal were kept out
of this commit to try to reduce a bit its size.
Reviewed By: sergey, brecht
Maniphest Tasks: T91671
Differential Revision: https://developer.blender.org/D13995
Since 2.8, background images are tied to cameras (in 2.79 these were
tied to a View3D I think).
Code in `BKE_library_id_can_use_idtype` wasnt taking this relation
between `Camera` and `Image` into account, thus leading to ID deletion/
unlinking not working properly -- in particular `libblock_remap_data`
not doing its thing (and leaving the camera as a user of the image),
then things went downhill from there...
Now make the "Camera-can-use-an-Image" relation clear in
`BKE_library_id_can_use_idtype`.
Maniphest Tasks: T94544
Differential Revision: https://developer.blender.org/D13722
- Added space below non doc-string comments to make it clear
these aren't comments for the symbols directly below them.
- Use doxy sections for some headers.
- Minor improvements to doc-strings.
Ref T92709
Those were used in a very few places to detect whether iteration should
be stopped or not, but one can use `BKE_lib_query_foreachid_iter_stop`
now for that.
Also fix early break handling in embedded IDs processing.
Fix T90922: Fix return policy inconsistency in `scene_foreach_id`.
In case `library_foreach_ID_link` would return early in recursive
process, it would not properly free its utils data.
Also add proper iteration break in case some sub-calls requested it.
Finally, make this function return a boolean to know whether iteration
should be stopped or not (will be used in future commit to fix this
handling in embedded IDs case).
Part of T90922: Fix return policy inconsistency in `scene_foreach_id`.
Add a function to check if iteration over ID usages should stop (using
internal `IDWALK_STOP` status flag).
Use it in `BKE_LIB_FOREACHID_PROCESS_` macros, and in
`window_manager_foreach_id` to handle properly the active workspace case
(previous code could skip the call to `BKE_workspace_active_set` in case
iteration over ID usages was stopped by callback on that specific ID
usage).
Part of T90922: Fix return policy inconsistency in `scene_foreach_id`.
Embedded IDs (root nodetrees, master collection, etc.) pointer itself is
not editable, but their content may be overridden.
LibOverride code is supposed to know how to handle those embedded IDs.
While this is still very fuzzy in current code, this old behavior makes
it close to impossible to efficiently use out-of-main temp data, as it
implies that we'd need to update refcounts everytime we add something
back into BMain (an 'un-refcount' ID usages when removing from BMain).
Now that we have two separate flags/tags for those two different things,
let's not merge them anymore.
Note that this is somewhat on-going process, still needs more checks and
cleanup. Related to T88555.
