Move `eUndoStepDir` to `BKE_undo_system.h` and use its values
everywhere.
Note that this also introduce the `STEP_INVALID` value in that enum.
Finally, kept the matching struct members in some lower-level readfile
code as an `int` to avoid having to include `BKE_undo_system.h` in a lot
of unrelated files.
Now we only use 'undo' or 'redo' in function names when the direction is
clear (and we assert about it). Otherwise, use 'load' instead.
When passing an undo step to BKE functions, consider calling code has
done its work and is actually passing the target step (i.e. the final
step intended to be loaded), instead of assuming we have to load the
step before/after it.
Also deduplicate and simplify a lot of core undo code in BKE, now
`BKE_undosys_step_load_data_ex` is the only place where all the complex
logic of undo/redo loop (to handle several steps in a row) is placed. We also
only use a single loop there, instead of the two existing ones in
previous code.
Note that here we consider that when we are loading the current active
step, we are undoing. This makes sense in that doing so //may// undo
some changes (ideally it should never do so), but should never, ever
redo anything.
`BKE_undosys_step_load_from_index` also gets heavily simplified, it's
not basically a shallow wrapper around
`BKE_undosys_step_load_from_index`.
And some general update of variable names, commenting, etc.
Part of T83806.
Differential Revision: https://developer.blender.org/D10227
This function was doing too many things, with behaviors fairly different
depending on its input parameters. This was making the code fragile and
hard to follow.
Split it in three:
* `ed_undo_step_pre` does the common actions before we actually undo
data.
* `ed_undo_step_post` does the common actions after we have undone/redone
data.
Then, `ed_undo_step_direction`, `ed_undo_step_by_name` and
`ed_undo_step_by_index` do their actual specific actions, with their own
logic.
Note: Since the actual behavior of those three funtions is fairly
different (the first only undo/redo one effective step, the second is only
supposed to **undo** //before// given named step, and the third actually
undo/redo until given indexed step become active), we could also find
better names for those. right now, it sounds like they are doing the
same thing, with just different ways to specify the target step.
Note: This is part of on-going refactor work on undo system, see T83806.
Differential Revision: https://developer.blender.org/D10112
`ED_undo_gpencil_step` only support valid undo step direction, passing
step name here is useless and only add confusion to what works or not.
Undo by step name or step index is fully not supported by GPencil undo
mode currently.
Note that since GPencil undo mode does not seem to ever be used anyway,
this is not an urgent issue in practice, but this needs to be cleaned up
at some point. See also T84703.
Having a centeral place to find a list of all library overrides should be
useful for managing production scenes where library overrides are used a lot.
This change adds the individually overridden properties of a data-block under
the data-block itself. Just how we show modifiers, constraints or pose channels
there. This way we can also expose library override operations/options better
in future.
There's also a filter option for the library overrides now, so they can be
hidden. It is only available in the View Layer display mode though, like the
other filter options.
One internal change this has to do is adding more informative return values to
undo pushes and the library override functions called by it. That way we can
send a notifier when library overrides change for the Outliner to know when to
rebuild the tree.
Differential Revision: https://developer.blender.org/D7631
Reviewed by: Andy Goralczyk, Bastien Montagne, William Reynish
This adds support for treating multiple undo steps as a single step
from the user perspective.
This is needed for outliner mode switching and `object.switch_object`
operator which change active object and mode in a single action.
Corrects incorrect usage of contraction for 'it is', when possessive 'its' was required.
Differential Revision: https://developer.blender.org/D9250
Reviewed by Campbell Barton
Note this only changes cases where the variable was declared inside
the for loop. To handle it outside as well is a different challenge.
Differential Revision: https://developer.blender.org/D7320
Follow up of b2ee1770d4 and 10c2254d41, part of T74432.
Now the area and region naming conventions should be less confusing.
Mostly a careful batch rename but had to do few smaller fixes.
Also ran clang-format on affected files.
This commit is a full refactor of the grease pencil modules including Draw Engine, Modifiers, VFX, depsgraph update, improvements in operators and conversion of Sculpt and Weight paint tools to real brushes.
Also, a huge code cleanup has been done at all levels.
Thanks to @fclem for his work and yo @pepeland and @mendio for the testing and help in the development.
Differential Revision: https://developer.blender.org/D6293
Part of https://developer.blender.org/T74429.
There's a chance that this causes some issues becaue in some cases we
change from getting the window from context to getting it from somewhere
else.
Enable and Disable Edit Menu items based on whether those actions are currently applicable.
https://developer.blender.org/D4846
Reviewed by Brecht Van Lommel
This introduces object mode tagging for data which hasn't yet been
written back to the ID data.
Now when selecting other sculpt objects, the original objects data is
flushed back to the ID before writing a memfile undo step.
The goal is to make it possible to access evaluated datablocks at a
corresponding context. For example, be able to check evaluated state
if an object used for rendering.
Allows to write scripts in a safe manner for T63548 and T60094.
Reviewers: brecht
Differential Revision: https://developer.blender.org/D5726
Preparing for the bigger changes which will be related on passing
dependency graph to various callbacks which need it.
Differential Revision: https://developer.blender.org/D5725
This change ensures that operators which needs access to evaluated data
first makes sure there is a dependency graph.
Other accesses to the dependency graph made it more explicit about
whether they just need a valid dependency graph pointer or whether they
expect the graph to be already evaluated.
This replaces OPTYPE_USE_EVAL_DATA which is now removed.
Some general rules about usage of accessors:
- Drawing is expected to happen from a fully evaluated dependency graph.
There is now a function to access it, which will in the future control
that dependency graph is actually evaluated.
This check is not yet done because there are some things to be taken
care about first: for example, post-update hooks might leave scene in
a state where something is still tagged for update.
- All operators which needs to access evaluated state must use
CTX_data_ensure_evaluated_depsgraph().
This function replaces OPTYPE_USE_EVAL_DATA.
The call is generally to be done in the very beginning of the
operator, prior other logic (unless this is some comprehensive
operator which might or might not need access to an evaluated state).
This call is never to be used from a loop.
If some utility function requires evaluated state of dependency graph
the graph is to be passed as an explicit argument. This way it is
clear that no evaluation happens in a loop or something like this.
- All cases which needs to know dependency graph pointer, but which
doesn't want to actually evaluate it can use old-style function
CTX_data_depsgraph_pointer(), assuming that underlying code will
ensure dependency graph is evaluated prior to accessing it.
- The new functions are replacing OPTYPE_USE_EVAL_DATA, so now it is
explicit and local about where dependency graph is being ensured.
This commit also contains some fixes of wrong usage of evaluation
functions on original objects. Ideally should be split out, but in
reality with all the APIs being renamed is quite tricky.
Fixes T67454: Blender crash on rapid undo and select
Speculation here is that sometimes undo and selection operators are
sometimes handled in the same event loop iteration, which leaves
non-evaluated dependency graph.
Fixes T67973: Crash on Fix Deforms operator
Fixes T67902: Crash when undo a loop cut
Reviewers: brecht
Reviewed By: brecht
Subscribers: lichtwerk
Maniphest Tasks: T67454
Differential Revision: https://developer.blender.org/D5343
Changing the brush size for example,
was adding redundant undo steps in paint-modes.
For now, don't store undo steps for property changes
in paint & edit modes.
While not ideal, this is similar to 2.7x behavior.
This reverts part of commit b7eba20236. Polling
is causing issues in scripts, and the minor usability improvements are not worth
the extra work this may cause at this point in the release cycle.
Fixes T65149
This patch updates the polling that enable/disables Edit Menu items. Slight Undo History menu changes
Differential Revision: https://developer.blender.org/D4846
Reviewed by Brecht Van Lommel
Some developers were using undo for their scripts, this allows for undo
pushes in background mode, however - as with 2.7x, undo isn't
initialized at startup in background mode.
See replies to T60934
BF-admins agree to remove header information that isn't useful,
to reduce noise.
- BEGIN/END license blocks
Developers should add non license comments as separate comment blocks.
No need for separator text.
- Contributors
This is often invalid, outdated or misleading
especially when splitting files.
It's more useful to git-blame to find out who has developed the code.
See P901 for script to perform these edits.
