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Wasnt checking the symmetrized 'grab_delta_symmetry' so result could
flip around.
Maniphest Tasks: T82188
Differential Revision: https://developer.blender.org/D9373
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The logic of `BKE_sculpt_update_object_for_edit` was not correct. such
low-level functions should typically never preform depsgraph evaluation
themselves, they should be able to rely on getting a fully evaluated
depsgraph and just get needed data from there.
Supporting that required fixing other broken code higher in the
callstack, namely:
* `ED_object_sculptmode_enter_ex` was freeing evaluated data, for no
valid reason it would seem.
* `sculpt_undosys_step_decode` was ensuring an evaluated depsgraph
**before** calling `ED_object_mode_generic_exit`, which would
invalidate a lot of evaluated data.
Note that it is fairly difficult to track down all code paths leading to
`BKE_sculpt_update_object_for_edit`, so there may be still cases where
this gets called with improperly evaluated depsgraph.
Reviewed By: sergey
Maniphest Tasks: T81854
Differential Revision: https://developer.blender.org/D9270
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Follow our code style for doxygen sections.
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clipped geometry
Caused by rB7878adf49cff.
When getting the stroke location via raycast in ortho view, the above
commit flipped the condition of the check to perform adjustments on the
rays start/end. This would thus happen (even though it shouldnt),
resulting in wrong depth and stroke location.
Now just flip the condition back, so adjustments only happen when
clipping is OFF.
Maniphest Tasks: T81934
Differential Revision: https://developer.blender.org/D9318
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This adds a property to the grab that masks vertices based on its
original normal and grab delta. When used on thin meshes, it allows to
grab the silhouette from one side of the object without affecting the
shape of the other side.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9205
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Paint and smear tools are only implemented for regular mesh PBVH,
meaning they are not supported by the dynamic topology and multires
sculpting.
These tools are to be ignored for an unsupported sculpt modes, regardless
of state of user preferences.
Reviewed By: sergey
Maniphest Tasks: T81932
Differential Revision: https://developer.blender.org/D9308
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SCULPT_tilt_apply_to_normal expects a normal, and offset was already
scaled by radius. The funcion returns a normalized vector, so the
strength of the brush was changed.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9275
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Now that sculpt mask and face sets can also be drawn without using the
PBVH, these operators need these extra updates when the data changes.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8956
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Corrects incorrect usage of contraction for 'it is', when possessive 'its' was required.
Differential Revision: https://developer.blender.org/D9250
Reviewed by Campbell Barton
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When using anchored stroke, the stroke operator was modifying the
coordinates on the "mouse" rna property by setting them to the original
position. Because of this, all the sculpt delta calculation was failing
and the delta for these brushes was set randomly (with a 0 vector) at
the beginning of the stroke.
There is now an extra property that uses the unmodified coordinates of
the mouse to calculate the delta. Now delta orientation works as expected
in all brushes and features that require brush tip orientation.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9183
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Dynamic area should use the radius instead of the initial radius to get
the nodes as the radius can now change during the stroke. In case of
anchored strokes, the current radius can be bigger than the initial
radius, simulating vertices outside the falloff area and breaking the
mesh.
Reviewed By: sergey
Maniphest Tasks: T81649
Differential Revision: https://developer.blender.org/D9181
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Previously, all Face Set visibility logic was using mvert flags directly
to store the visibility state on the vertices while sculpting. As Face
Sets are a poly attribute, it is much simpler to use mpoly flags and let
BKE_mesh_flush_hidden_from_polys handle the vertex visibility, even for
Multires.
Now all operators that update the Face Set visibility state will always
copy the visibility to the mesh (using poly flags) and the grids, all
using the same code.
This should fix a lot of visibility glitches and bugs like the following:
- Sculpt visibility reset when changing multires levels.
- Multires visibility not updating in edit mode.
- Single face visibible when surrounded by visibile face set, even when
the face set was hidden.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9175
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When using the sculpt filters, global automasking settings that affect
all brushes were ignored because the automasking system was not
implemented for filters, making filters and brushes react differently
to the global sculpt settings which creates confusion.
This makes all filter tools (mesh, cloth, color) use the same general
automasking settings and features as the brush tools. Filters will now
use the settings in the options panel to limit their effect.
This also removes the "use Face Sets" option from the Mesh filter code,
as it was duplicated from the automasking code just to have that
funcitonality. This is now handled by the regular automasking system.
The "Use Face Sets" option is still available in the cloth filter as that
option limits the action of the forces, not the displacement.
After this, it is possible to initialize the automasking system
independently from the StrokeCache and Brush settings, so it can also be
added to more tools and features in the future.
Fixes T81619
Reviewed By: dbystedt, sergey
Maniphest Tasks: T81619
Differential Revision: https://developer.blender.org/D9171
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This patch enables the paint brush cursor with all tools in sculpt mode,
even with the ones that are not brushes. The motivations for this change
are:
- The filters are using the position of the active vertex for certain
features without any visualization of what the active vertex is.
- You can call operators like mask expand (which depends on the brush
cursor position and active vertex) with a non brush tool enabled.
- Having the cursor in the rest of the tools allows to have a scene
scale representation of the radius and a direct control of radius and
strength (using the current brush shortcuts), which will allow to make
features more intuitive without relying on modifying values in the
topbar. For example, the brush radius can be used to control the depth
of the cut in the trimming tools or the size of the sphere in the
sphere mesh filter
Reviewed By: #user_interface, dbystedt, pablovazquez
Differential Revision: https://developer.blender.org/D9071
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This adds support for pen tilt in sculpt mode. For now, pen tilt is used
by tweaking the tilt strength property, which controls how much the pen
angle affects the sculpt normal. This is available in Draw, Draw Sharp,
Flatten, Fill, Scrape and Clay Strips brushes, but it can be enabled in
more tools later.
The purpose of this patch is to have a usable implementation of pen tilt
in a painting mode, so users can test and see in which hardware and
platforms this feature is supported and how well it works. If it works
ok, more tools and features that rely on pen tilt can be implemented,
like brushes that blend between two deformations depending on the angle.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8893
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Previously the softbody strength property was controlling the strength
of the constraints that pin all vertices to the original location. This
was causing problems when the forces were trying to deform the vertices
too much, like when using gravity or grab brushes.
Now softbody is implemented with plasticity, which creates constraints to
a separate coordinates array. These coordinates are deformed with the
simulation, and the plasticity parameter controls how much the
simulation moves the coordinates (plasticity 0), or the coordinates move
the simulation back to its previous position (plasticity 1).
This creates much better and predictable results and adding softbody
plasticity to the brushes can increase its control and the stability of
the simulation.
Reviewed By: sergey, zeddb
Differential Revision: https://developer.blender.org/D9187
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As discussed in D9120, this was an oversight in rBe0c792135adf, the same
assignment already happens a couple of lines above.
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This was reported for sculpting, the same is true for weightpaint or
vertexpaint though.
When viewport clipping and radial symmetry are enabled, the
'sculpt_brush_test_clipping()' function was not considering radial
symmetry at all, so if the coordinate was outside the clipping planes,
no action would take place. Now the coordinte is brought back to where
the stroke actually happens and that is checked against clipping.
Since other mirroring options while painting/sculpting (as well as
editmode operations with mirroring) usually still take place even if the
mirrored coord is outside the clipping planes, this should also be the
case for radial symmetry.
This grows the 'SculptBrushTest' struct a bit, but should be acceptable?
Fixes T81466
Maniphest Tasks: T81466
Differential Revision: https://developer.blender.org/D9120
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When sampled normals were disabled SCULPT_cursor_geometry_info_update
was returning false instead of the value from the raycast data.
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When a Shape Key is active, use the PBVH deformed coordinates for the
preview.
Reviewed By: sergey
Maniphest Tasks: T80873
Differential Revision: https://developer.blender.org/D8921
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This simulation area mode moves the active area with the brush. When
enabled, the cloth brush has no restrictions on stroke length, area or
mesh vertex count.
In order to work, this enables PBVH nodes dynamically for simulation as
the stroke location moves and builds the constraints for new nodes
during the stroke. When a node is not inside the simulated area, all the
constraints that were created for it and vertex collisions are not
computed. The simulation limits falloff areas and constraints tweaking
control how the simulated and no simulated nodes blend.
Reviewed By: sergey, zeddb
Differential Revision: https://developer.blender.org/D8726
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Cleanup old tracker task format to the new. e.g: [#34039] to T34039
Ref D8718
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Before this change, when users switch from edit mode to sculpt mode, the
entire mesh would be visible. Even if in the edit mesh mode part of it was
set to invisible.
With this change the visibility is preserved, by creating a separate face set
for the visible and invisible parts of the mesh and setting their initial visibility.
Implementation details: This adds a function to initialize a new Face Set
datalayer taking the current mesh visibility into account which is stored
in the ME_HIDE flag of the vertices.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8901
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This tool projects all vertices to the right of the plane defined by the
line gesture towards the plane. By doing this, this tool can create cuts
and plane surfaces in the mesh without modifying the geometry or using
boolean operations, so it is much faster than bisecting the mesh for
cases where the geometry was going to be remeshed afterwards.
Added as experimental as it does not have icon.
Reviewed By: sergey, Severin
Differential Revision: https://developer.blender.org/D9021
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Following the most widely used convention for including todo's in
the code, that is: `TODO(name):`, `FIXME(name)` ... etc.
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Unused variables, missing include for declaration, missing 'static'
specifier. Also rename function to match naming convention.
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This adds XYZ symmetry as a property of meshes and updates all modes to
use the mesh symmetry by default to have a consistent tool behavior
between all modes and when switching objects.
Reviewed By: brecht, mano-wii, campbellbarton
Maniphest Tasks: T79785
Differential Revision: https://developer.blender.org/D8587
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This filter scales the mesh as it was a softbody, producing folds in the
surface. The orientation of the folds can be controlled using the filter
axis and orientation.
This is an example of a cloth filter that uses deform coordinates instead
of forces, but probably it does not make much sense to expose it to the
user in a different way and with different parameters. I'll remove
FilterCache->enabled_force_axis in a later commit and use always
enabled_axis in SCULPT_filter_zero_disabled_axis_components
for both forces and deformation filters, so this function can also be used
in the mesh filter.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8661
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This should improve the issue with Scrape accumulation in concave
surfaces. When the strength of the brush is higher, the area radius is
also bigger, so the scrape plane is more stable preventing it from
accumulating displacement in the same area.
The Scrape/Fill default presets are also updated to include this
functionality.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8821
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This implements Box Trim as a boolean based trimming too gesture in sculpt
mode. This is the intended way to remove parts of the sculpt instead of
using box mask and mask slice. It also creates new face sets for the new
faces created after the boolean operation.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8766
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This was introduced in the first commit of the cloth brush. In order to
support the cloth brush deformations with subsurf modifiers, the sculpt
API was changed to return the deformed coordinates from the PBVH instead
of the mesh coordinates. When using grab active vertex and rendering the
original mesh wireframe it should render the undeformed mesh coordinates
when available.
Reviewed By: sergey
Maniphest Tasks: T79914
Differential Revision: https://developer.blender.org/D8630
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This was doing a matrix inversion per vertex per stroke step and it was
unused.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8791
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All brushes except for grab need delta for tip orientation in order to
work with anchored stroke, not only snake hook, which is the one that
needs it always.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8789
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This implements the sculpt gesture lasso and box operators for face
sets. They work the same way as the mask gesture operator and tools.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8716
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The Snake Hook deformation mode was using the same strength as grab (not
supporting pressure), but this deformation mode supports pressure.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8724
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At first sight this code should not build at all
but due to the use of macro's that look like functions
this seemingly has no issues building.
Clang-format alerted me to this strange bit of code
by placing the `if` on it's own line for some reason.
added the missing brackets, and clang-format is happy
again.
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This implements Snake Hook as a deform type for the cloth brush. This
brush changes the strength of the deformation constraints per brush step
to avoid affecting the results of the simulation as much as possible. It
allows to grab the cloth without producing any artifacts in the surface
and create more natural looking folds than any of the other deformation
modes.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8621
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This adds a new brush property called "Deformation Target" which
controls how the brush deformations is going to affect the mesh data. By
default is set to Geometry, which makes the brushes displace the
vertices. When set to Cloth Simulation, the deformation of the brush is
applied to the cloth solver constraints, so the simulation is
responsible to apply the final deformation. This allows to add cloth
simulation effects to other sculpt tools with minor modifications to their
code.
This patch enables Cloth Simulation deformation target for Pose and
Boundary brushes, which are tools that are already designed to work in
low poly counts and produce large deformations. This allows creating the
most common cloth effects, like bending and compressing folds, without
relying on collisions.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8578
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This enables the invert mode in the smooth brush as Enhance Details.
The operation is similar to the Sharpen Filter intensify details parameter,
which consist in applying the laplacian smooth displacement in the opposite
direction calculated using the original coordinates.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8509
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Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8556
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The paint cursor now uses a single call to
SCULPT_cursor_geometry_info_update and the Sculpt API to update both the
radius and the SculptSession data, so random access needs to be
initialized for dyntopo before using API functions.
Reviewed By: sergey
Maniphest Tasks: T79597
Differential Revision: https://developer.blender.org/D8489
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This brush deletes displacement information of the Multires Modifier,
resetting the mesh to the subdivision limit surface.
This can be use to easily delete parts of the sculpt or to fix
reprojection artifacts after applying a shrinkwrap.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8543
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Differential Revision: https://developer.blender.org/D8553
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Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8529
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Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8528
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For a locked shapekey, a SculptSession's orig_cos / deform_cos /
deform_imats are not initialized (they only are when
deform_modifiers_active is true -- this in turn is only true for
shapekeys if they are //not// locked [and for deforming modifiers of
course])
We can just update that keyblock with sculpt_update_keyblock() in case
of a locked shapekey
Maniphest Tasks: T79622
Differential Revision: https://developer.blender.org/D8499
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This brush includes a set of deformation modes designed to deform and
control the shape of the mesh boundaries, which are really hard to do
with regular sculpt brushes (and even in edit mode). This is useful
for creating cloth assets and hard surface base meshes.
The brush detects the mesh boundary closest to the active vertex and
propagates the deformation using the brush falloff into the mesh.
It includes bend, expand, inflate, grab and twist deform modes.
The main use cases of this brush are the Bend and Expand deformation
modes, which depend on a grid topology to create the best results.
In order to do further adjustments and tweaks to the result of these
deformation modes, the brush also includes the Inflate, Grab and
Twist deformation modes, which do not depend that much on the topology.
Grab and Inflate are the same operation that is implemented in the
Grab and Inflate tools, they are also available in the boundary brush
as producing deformations with regular brushes in these areas is very
hard to control.
Even if this brush can produce deformations in triangle meshes and
meshes with a non-regular quad grid, the more regular and clean the
topology is, the better. Most of the assets this brush is intended to
deform are always created from a cylindrical or plane quad grid, so it
should be fine. Also, its algorithms can be improved in future versions
to handle more corner cases and topology patterns.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8356
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