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This makes brush influence into a tube instead of a sphere.
It can be used along the outline of a mesh to adjust it's silhouette.
Note that all this takes advantage of changes from vertex paint,
from testing this seems useful so exposing from the brush options.
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This behavior makes more sense for sculpt, less so for painting.
Restores non PBVH behavior, adding `BKE_pbvh_find_nearest_to_ray` -
similar to ray-cast except it finds the closest point on the surface.
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Prepare to add code that stores distance to the ray, avoid confusion.
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2016 GSOC project by @nathanvollmer, see D2150
- Mirrored painting and radial symmetry, like in sculpt mode.
- Volume based splash prevention,
which avoids painting vertices far away from the 3D brush location.
- Normal based splash prevention,
which avoids painting vertices with normals opposite the normal
at the 3D brush location.
- Blur mode now uses a nearest neighbor average.
- Average mode, which averages the color/weight
of the vertices within the brush
- Smudge mode, which pulls the colors/weights
along the direction of the brush
- RGB^2 color blending, which gives a more accurate
blend between two colors
- multithreading support. (PBVH leaves are painted in parallel.)
- Foreground/background color picker in vertex paint
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Use consistent prefix for gawain API names as well as
some abbreviations to avoid over-long names, see: D2678
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Only mask are handled by sculpt mode engine and are multiplied on top of the render.
There is room for improvement:
- Shaded meshes don't have correct tangents or uvs.
- Masks are in range 0.8 - 0.2 thus always darkening at least 20% the render.
- It only uses the first material slot of the mesh.
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Add a shader-group type to draw
generated geometry by running a callback.
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On undo, sculpting regular meshes would update _all_ GPU VBO's.
Avoiding the update gives noticeably faster undo.
This is also a fix/workaround for strange behavior with NVidia's driver (T47232),
Where locking and unlocking all buffers for updating
slows down redraw speed permanently after the first undo.
However the problem isn't avoided entirely since a single brush stroke might modify most of the mesh.
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GPU_buffer no longer has a fallback to client vertex arrays, so remove
comments about it.
Changed a few internal structs/function interfaces to use bool where
appropriate.
Use for-loop scope and flexible declaration placement. PBVH does the
same thing but needs ~150 fewer lines to do it!
The change to BLI_ghashIterator_init is admittedly hackish but makes
GHASH_ITER_INDEX nicer to use.
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Since many callers only need a single triangle
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This stores loop indices into the loop array giving easier acess
to data such as vertex-colors and UV's,
removing the need to store an MFace duplicate of custom-data.
This doesn't yet move all internal code from MFace to LoopTri just yet.
Only applies to:
- opengl drawing
- sculpting (pbvh)
- vertex/weight paint
Thanks to @psy-fi for review, fixes and improvements to drawing!
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This patch changes the way we draw meshes by introducing
indexed drawing. This makes it possible to easily
upload and rearrange faces ad lib according to any criteria.
Currently we use material sorting but textured sorting and
hiding will be added to optimize textured drawing and skip
per face testing.
It also adds support for vertex buffers for subsurf
modifiers (Except from GLSL drawing), making drawing of
subsurf much faster without need for bogus modifiers.
Tests show that we gain approximately 20-25% performance
by that for solid mode drawing with up to 50% gains for
material drawing. Textured drawing should also have a
small performance gain, but more substantial optimizations
are possible there.
Reviewers: campbellbarton
Differential Revision: https://developer.blender.org/D1406
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resolves building with gcc4.9
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multires.
Code had special guards for such edges to stop this from happening. I
don't see why this is needed though since code above assigns smoothed
positions for all vertices in the grid.
After removing the guards I saw that this in fact was the only place
where grd adjacency was used, so I completely removed it.
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When 'Front Faces' brush option was enabled, dyntop would still adjust detail on back-faces.
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Clay brush had a feedback loop with dyntopo,
getting the plane from the cursor center didn't support original data.
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Tessellation data isn't used for drawing or sculpting.
This frees up some memory ~approx 10% in own tests.
Also slight spee-up since it avoids calculating it in the first place.
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- BLI_BITMAP_SET -> BLI_BITMAP_ENABLE
- BLI_BITMAP_CLEAR -> BLI_BITMAP_DISABLE
- BLI_BITMAP_GET -> BLI_BITMAP_TEST
- BLI_BITMAP_MODIFY -> BLI_BITMAP_SET
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Looks like the normal update flag is used internally in the modifier
itself. So as a workaround just pass normal update to the nodes when
flood filling
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Set hidden when rebuilding the PBVH tree if all primitives are hidden.
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Don't use a dedicated node layer but use temporary int layer instead.
Works like a charm as long as we are careful resetting the layer when
needed (after pbvh clearing and always after bmesh has been filled in
undo)
Tip by Campbell, thanks!
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While hiding, flush the hidden flags to the faces. This avoids iterating
through all the loops while updating the GPU buffers.
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Located on topology panel.
To use just click on button and click on mesh.
Operator will just use the dimensions of the triangles below to set the
constant detail setting.
Also changed pair of scale/detail size with nice separate float
percentage value.
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Nothing spectacular here, fill tools are easy. Just take the dyntopo
code and repeat until nothing more to do.
The tool can be located in the dyntopo panel when the dyntopo constant
detail is on.
Also added scale factor for constant detail. This may change when detail
sampling gets in, I am not very happy with having two numbers here,
still it will give some more control for now.
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dyntopo
Layer brush would not invalidate the layer_disp arrays in dyntopo mode,
checking only for the existence of the array. This means that if a tool
resized the node due to topology changes, the layer brush code could
index (and write!) out of bounds in the array. Solution is to invalidate
the layer data prior to each stroke in dyntopo.
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Some int/float conversion warnings were disabled by buildsystems but
re-enabled by BLI_winstuff.h, the warnigns relate to conversions not
considered issues on other systems so better just quiet them.
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Summary:
Issue here most probably is that the start point in ray-casting is too
far away from the mesh. As a result the triangle intersection code can
sometimes miss the ray intersection. To solve this, we project the ray
segment to the boundary of the root node.
Reviewers: brecht, sergey, campbellbarton
Reviewed By: brecht
Maniphest Tasks: T37177
Differential Revision: http://developer.blender.org/D115
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Current redraw options also did an unnecessary normal recalculation on
updated nodes.
Also, for the box and lasso mask only push an undo node if any vertex
has actually been influenced.
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sculpting, store offset directly.
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hides that an arg passed is really an array which may be modified by other functions.
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was renamed fairly recently but other similar iterators not negated
like this, would prefer to keep it as it was
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also rename mesh_getVertexCos() --> BKE_mesh_vertexCos_get() to match curve function.
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always used in that context so we can at least avoid reverting it twice
:p.
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Fixes the sculpt object being incorrectly clipped during drawing due
to an out-of-date bounding box making it seem that the object had gone
outside the view.
Added a BKE_pbvh function to get the top-level bounding box. In
sculpt_flush_update(), where the PBVH bounds are updated, the result
is copied to the object's bounding box.
Fixes bug [#33790]
projects.blender.org/tracker/?func=detail&aid=33790&group_id=9&atid=498
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