Those collections were so far mainly just tagged as fake user (even
though a few places in code already incremented usercount on them).
Since we now clear the fakeuser flag when linking/appending data, ensure
that these collections are preserved by making these usages regular ID
refcounting ones.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D15783
This was the case when the "Show in Editmode" option was used and a
vertexgroup affected the areas.
Probably an oversight in {rBdeaff945d0b9}?, seems like deforming
modifiers always need to call `BKE_mesh_wrapper_ensure_mdata` in
`deformVertsEM` when a vertex group is used.
Maniphest Tasks: T100578
Differential Revision: https://developer.blender.org/D15756
* Flip the logic to first detect if we are dealing with an unmodified mesh
in editmode. And then if not, detect if we need a mapping or not.
* runtime.is_original is only valid for the bmesh wrapper. Rename it to clarify
that and only check it when the mesh is a bmesh wrapper.
* Remove MR_EXTRACT_MAPPED and instead check only for the existence of the
origindex arrays. Previously it would sometimes access those arrays without
MR_EXTRACT_MAPPED set, which according to a comment means they are invalid.
Differential Revision: https://developer.blender.org/D15676
This commit moves the hide status of mesh vertices, edges, and faces
from the `ME_FLAG` to optional generic boolean attributes. Storing this
data as generic attributes can significantly simplify and improve code,
as described in T95965.
The attributes are called `.hide_vert`, `.hide_edge`, and `.hide_poly`,
using the attribute name semantics discussed in T97452. The `.` prefix
means they are "UI attributes", so they still contain original data
edited by users, but they aren't meant to be accessed procedurally by
the user in arbitrary situations. They are also be hidden in the
spreadsheet and the attribute list by default,
Until 4.0, the attributes are still written to and read from the mesh
in the old way, so neither forward nor backward compatibility are
affected. This means memory requirements will be increased by one byte
per element when the hide status is used. When the flags are removed
completely, requirements will decrease when hiding is unused.
Further notes:
* Some code can be further simplified to skip some processing when the
hide attributes don't exist.
* The data is still stored in flags for `BMesh`, necessitating some
complexity in the conversion to and from `Mesh`.
* Access to the "hide" property of mesh elements in RNA is slower.
The separate boolean arrays should be used where possible.
Ref T95965
Differential Revision: https://developer.blender.org/D14685
- "Name collisions" label in mesh properties
- "Threshold" labels in Vertex Weight Edit modifier
- "Particle System" label in Particle Instance modifier
- Slot number in the Shader Editor
- Status bar keymap items during modal operations:
add TIP_() macro to status bar interface template
- On dumping messages, sort preset files so their messages are stable
between runs
Ref. T43295
Reviewed By: mont29
Differential Revision: https://developer.blender.org/D15607
- "Name collisions" label in mesh properties
- "Threshold" labels in Vertex Weight Edit modifier
- "Particle System" label in Particle Instance modifier
- Slot number in the Shader Editor
- Status bar keymap items during modal operations:
add TIP_() macro to status bar interface template
- On dumping messages, sort preset files so their messages are stable
between runs
Ref. T43295
Reviewed By: mont29
Differential Revision: https://developer.blender.org/D15607
Only nodes supporting lazyness can mark inputs as unused. For other
nodes, this is done automatically of all outputs are unused.
Differential Revision: https://developer.blender.org/D15409
All callers passed `false` for this parameter, making it more confusing
than useful. If this functionality is needed again in the future, a separate
function should be added.
Differential Revision: https://developer.blender.org/D15401
Adds a new option to the 'Delete ShpaKeys' operator, which first applies
the current mix to the object data, before removing all shapekeys.
Request from @JulienKaspar from Blender studio.
Reviewed By: JulienKaspar
Differential Revision: https://developer.blender.org/D15443
After becb1530b1 the new curves object type isn't hidden
behind an experimental flag anymore, and other areas depend on this,
so disabling curves at compile time doesn't make sense anymore.
An increased number of vertices is not a stopper for the surface
deform modifier anymore. It might still be useful to expose the
message in the UI, but printing error message to the console on
every modifier evaluation makes real errors to become almost
invisible.
Differential Revision: https://developer.blender.org/D15468
This includes:
- new modifier names
It mostly uses `N_` because the strings are actually translated elsewhere.
The goal is simply to export them to .po files.
Most of the new translations were reported in T43295#1105335.
Reviewed By: mont29
Differential Revision: https://developer.blender.org/D15418
Currently, there are two attribute API. The first, defined in `BKE_attribute.h` is
accessible from RNA and C code. The second is implemented with `GeometryComponent`
and is only accessible in C++ code. The second is widely used, but only being
accessible through the `GeometrySet` API makes it awkward to use, and even impossible
for types that don't correspond directly to a geometry component like `CurvesGeometry`.
This patch adds a new attribute API, designed to replace the `GeometryComponent`
attribute API now, and to eventually replace or be the basis of the other one.
The basic idea is that there is an `AttributeAccessor` class that allows code to
interact with a set of attributes owned by some geometry. The accessor itself has
no ownership. `AttributeAccessor` is a simple type that can be passed around by
value. That makes it easy to return it from functions and to store it in containers.
For const-correctness, there is also a `MutableAttributeAccessor` that allows
changing individual and can add or remove attributes.
Currently, `AttributeAccessor` is composed of two pointers. The first is a pointer
to the owner of the attribute data. The second is a pointer to a struct with
function pointers, that is similar to a virtual function table. The functions
know how to access attributes on the owner.
The actual attribute access for geometries is still implemented with the `AttributeProvider`
pattern, which makes it easy to support different sources of attributes on a
geometry and simplifies dealing with built-in attributes.
There are different ways to get an attribute accessor for a geometry:
* `GeometryComponent.attributes()`
* `CurvesGeometry.attributes()`
* `bke::mesh_attributes(const Mesh &)`
* `bke::pointcloud_attributes(const PointCloud &)`
All of these also have a `_for_write` variant that returns a `MutabelAttributeAccessor`.
Differential Revision: https://developer.blender.org/D15280
Similar to 1a6d0ec71c which changed the mesh boolean node (and
also caused this bug), this commit changes the material mapping for the
exact mode of the boolean modifier. Now the result should contain any
material on the faces of the input objects (including materials linked
to objects and meshes). The improvement is possible because materials
can be changed during evaluation (as of 1a81d268a1).
Differential Revision: https://developer.blender.org/D15365
Curves that are attached to a surface can now follow the surface when
it is modified using shape keys or modifiers (but not when the original
surface is deformed in edit or sculpt mode).
The surface is allowed to be changed in any way that keeps uv maps
intact. So deformation is allowed, but also some topology changes like
subdivision.
The following features are added:
* A new `Deform Curves on Surface` node, which deforms curves with
attachment information based on the surface object and uv map set
in the properties panel.
* A new `Add Rest Position` checkbox in the shape keys panel. When checked,
a new `rest_position` vector attribute is added to the mesh before shape
keys and modifiers are applied. This is necessary to support proper
deformation of the curves, but can also be used for other purposes.
* The `Add > Curve > Empty Hair` operator now sets up a simple geometry
nodes setup that deforms the hair. It also makes sure that the rest
position attribute is added to the surface.
* A new `Object (Attach Curves to Surface)` operator in the `Set Parent To`
(ctrl+P) menu, which attaches existing curves to the surface and sets the
surface object as parent.
Limitations:
* Sculpting the procedurally deformed curves will be implemented separately.
* The `Deform Curves on Surface` node is not generic and can only be used
for one specific purpose currently. We plan to generalize this more in the
future by adding support by exposing more inputs and/or by turning it into
a node group.
Differential Revision: https://developer.blender.org/D14864
It's helpful to make the separation of legacy data formats explicit,
because it declutters actively changed code and makes it clear which
areas do not follow Blender's current design. In this case I separated
the `MFace`/"tessface" conversion code into a separate blenkernel
.cc file and header. This also makes refactoring to remove these
functions simpler because they're easier to find.
In the future, conversions to the `MLoopUV` type and `MVert`
can be implemented here for the same reasons (see T95965).
Differential Revision: https://developer.blender.org/D15396
In "size" voxel resolution mode, calculating the bounds of the mesh to
volume node's input mesh isn't necessary. For high poly this can take
a few milliseconds, so this commit skips the calculation unless we need
it for the "Amount" mode.
Differential Revision: https://developer.blender.org/D15324
This adds a Mesh To Volume Node T86838 based on the existing modifier.
The mesh to volume conversion is implemented in the geometry module,
and shared between the node and the modifier.
Currently the node outputs a grid with the name "density". This may
change in the future depending on the decisions made in T91668.
The original patch was by Kris (@Metricity), further implementation
by Geramy Loveless (@GeramyLoveless), then finished by Erik Abrahamsson
(@erik85).
Differential Revision: https://developer.blender.org/D10895
We store various lazily calculated caches on meshes, some of which
depend on the vertex positions staying the same. The current API to
invalidate these caches is a bit confusing. With an explicit set of
functions modeled after the functions in `BKE_node_tree_update.h`,
it becomes clear which function to call. This may become more
important if more lazy caches are added in the future.
Differential Revision: https://developer.blender.org/D14760
This patch adds a 'Intersecting Edges' output with a boolean selection
that only gives you the new edges on intersections.
Will work on a couple of examples next, this should make some
interesting effects possible (including getting us closer to the "bevel-
after-boolean-usecase")
To achieve this, a Vector is passed to `direct_mesh_boolean` when the
iMesh is still available (and intersecting edges appended), then from
those edge indices a selection will be stored as attribute.
Differential Revision: https://developer.blender.org/D15151
Instancing with geometry nodes uses just the evaluated Mesh, and ignores the
Object that it came from. That meant that it would try to look up the subsurf
modifier on the instancer object which does not have the subsurf modifier.
Instead of storing a session UUID and looking up the modifier data, store a
point to the subsurf modifier runtime data. Unlike the modifier data, this
runtime data is preserved across depsgraph CoW. It must be for the subdiv
descriptor contained in it to stay valid along with the draw cache.
As a bonus, this moves various Mesh_Runtime variables into the subsurf runtime
data, reducing memory usage for meshes not using subdivision surfaces.
Also fixes T98693, issues with subdivision level >= 8 due to integer overflow.
Differential Revision: https://developer.blender.org/D15184
Code handling repetitive boolean operations when using several objects
from a Collection would not handle result mesh properly, re-creating for
each object without properly freeing it.
Further more, existing code was effectively converting the BMesh to mesh
twice, including a modification of the initial (input) mesh, which
modifiers should never do!
Removed the extra useless conversion, which also gives a small
improvement in performances:
With as simple of a scene as four objects (three operands in a
collection, and the modified one) totalling 20k vertices/faces, this
commit:
* Avoids 2MB memory leak per evaluation (!).
* Speeds up boolean evaluation by 5-10%.
Found while investigating some production files of the Project Heist
here at the Blender Studio.
This is an extension of 4669178fc3, applying the same changes to
attributes chosen in the field inputs of the geometry nodes modifier.
If a UI/internal attribute is used, the attribute name button will
have a red alert. Adding a disabled hint is currently a bit more complex.
Also hide UI attributes in attribute search for the named attribute node.
Part of D14934
`bNodeTree` has a lot of run-time embedded in it currently. Having a separately
allocated run-time struct has some benefits:
* Run-time data is not stored in files.
* Makes it easy to use c++ types as run-time data.
* More clear distinction between what data only exists at run-time and which doesn't.
This commit doesn't move all run-time data to the new struct yet, only the data where
I know for sure how it is used. The remaining data can be moved separately.
Differential Revision: https://developer.blender.org/D15033
