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Use expanded names for bmesh primitive operations
(urmv jvke semv jfke).
Use 'bmesh_kernel_' prefix,
these functions aren't intended for wide use so favor readability.
Remove BM_face_vert_separate,
it wasn't used and only skipped step of finding correct loop of face.
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When the loop region passed in had no loops to edge-split from,
it was assumed nothing needed to be done.
This ignored the case where loops share a vertex
without any shared edges.
Now BM_face_loop_separate_multi behaves like BM_face_loop_separate.
Fixed error where faces remained connected by verts in BM_mesh_separate_faces.
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- Was setting flag incorrectly to avoid re-use.
- Check edge has loops before accessing.
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Fast-path for bmesh split operator which duplicates and deletes.
Use when only separating faces, currently used by the intersect tool.
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Root of the issue was BM_mesh_bm_to_me() breaking application of basis
offset to 'child' shapekeys, when called more than once from same BMesh.
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Instead, add BM_verts_sort_radial_plane
and use regular creation API.
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- flushing hidden state ran when it didn't need to.
- flushing checks didn't early exit when first visible element found.
- low level BM_*_hide API calls like this can use skip iterators
can loop over struct members directly.
No user-visible changes.
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Other than implementing a `mid_v3_v3_array` function, this removes
`cent_tri_v3` and `cent_quad_v3` in favor of `mid_v3_v3v3v3` and
`mid_v3_v3v3v3v3` respectively.
Reviewed By: mont29
Differential Revision: https://developer.blender.org/D2459
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This is the same issue as was fixed with T39486: the adjustment pass
that tries to equalize different widths at either end of an edge
sometimes causes the widths to get bigger and bigger.
The previous fix was to let "clamp_overlap" do double duty as a way
to limit this behavior. But clearly this is undiscoverable, as the
current bug report shows. So I put in an "auto-limiting" mode that
detects when adjustments are going crazy and then acts as if
clamp_overlap were set.
The reason we can't always act as if clamp_overlap is set is that
certain models (e.g., Bent_test in regression tests) look bad if
that is enabled.
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Problem was setting prev/next faces for edges around
a vertex on valence-2 vertices.
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Returned value was always false, even for valid meshes,
note that this is a debug-only function.
Also set internal-tag cleared.
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Comment & don't use dummy pointer.
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Also rename face vars (the faces aren't temp),
and quiet old-style-definition warning.
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No need to track previous edge in vert-separate cleanup
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Use changes from previous commit for BM_vert_find_first_loop.
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- `bmesh_radial_faceloop_find_first` & `bmesh_disk_faceedge_find_first`
can be replaced with a single call to a new function:
`bmesh_disk_faceloop_find_first`
- `bmesh_disk_faceedge_find_first` called `bmesh_radial_facevert_check`
which isn't needed, since either the current or next loop in the
cycle is attached to the edge we're looking for.
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No need to perform edge-of-vert then loop-of-edge check.
Any vertex that has an edge with a face will be connected to a face.
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Edge-rotate would randomly flip one of the faces to match the other.
Also maintain active-face when rotating the edge.
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Just return the face or NULL, like BM_edge_exists(),
Also for BM_face_exists_overlap & bm_face_exists_tri_from_loop_vert.
No functional changes.
Old code did some partial overlap checks where this made some sense,
but it's since been removed.
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Pass in loops instead of edge & faces.
Nearly all callers have the loop-pairs to pass in.
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Keep ifdef'd out for holes, this isn't needed currently.
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Reverse loops in-place.
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Replace search with direct lookup.
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Would always set both first1 and first2.
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Correct unhelpful comment & some comment edits.
Rename 'disk_is_flagged' -> 'bm_vert_is_manifold_flagged',
since the check is quite specific.
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Radial append/remove had swapped args and *slightly* different behavior.
- bmesh_radial_append(edge, loop)
- bmesh_radial_loop_remove(loop, edge)
Match logic for append/remove,
Logic for the one case where the edge needs to be left untouched
has been moved to: `bmesh_radial_loop_unlink`.
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Rewrite the current range-tree API used by dyn-topo undo
to avoid inefficiencies from stdc++'s set use.
- every call to `take_any` (called for all verts & faces)
removed and added to the set.
- further range adjustment also took 2x btree edits.
This patch inlines a btree which is modified in-place,
so common resizing operations don't need to perform a remove & insert.
Ranges are stored in a list so `take_any` can access the first item
without a btree lookup.
Since range-tree isn't a bottleneck in sculpting, this only gives minor speedups.
Measured approx ~15% overall faster calculation for sculpting,
although this number time doesn't include GPU updates and depends on how
much edits fragment the range-tree.
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In practice I couldn't make this cause a bug,
however it's a logical regression in fix for T48716.
Thanks to Francesc Juhe for finding.
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Reviewed By: brecht
Differential Revision: https://developer.blender.org/D2304
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Not sure where this comes from, but code was converting BMEdge* to BMVert* to check oflags,
i.e. not accessing correct memory.
Regression, to be backported to 2.78a.
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No need to declare new iterator for second loop.
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Fixes T47488 and T47478.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D2224
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The mesh interpolation function failed to fill a fractions-of-the-way
array properly when the distances are very small but nonzero.
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