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Creating ngons with multiple axis aligned shapes in the middle of a
single face would fail in some cases.
This exposed multiple problems in BM_face_split_edgenet_connect_islands
- Islands needed to be sorted on Y axis when X was aligned.
- Checking edge intersections needed increased endpoint bias.
- BVH epsilon needed to be increased.
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The const key is required by compiler to avoid warning
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This makes sense when we want to avoid float precision error
for near co-linear edges. OTOH, this is an arbitrary decision,
so keep functions separate.
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Document to avoid confusion when called from Python.
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Colinear vertices in a same face would not be handled correctly.
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faces.
This was requested by script writers. Especially needed if beveling
wire edges with vertex_only.
Should be backward compatible as just adds two new keys to returned
dict in python ('edges' and 'verts').
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Handy for setting up face-maps,
also allows selecting all faces with no assigned map.
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- MTexPoly structure & layer type.
- The 'Mesh.uv_textures' layers.
- DerivedMesh TexFace drawing.
- Scripts & UI.
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TexFace complicates the now more popular shading pipeline by having
per-face images, see: T51382 for details.
To keep the ability to select a per-material edit-image
(used with UV-mapping workflow), the material now stores an image
which will be set when changing images in edit-mode.
This is used as a bake-target when not using Cycles too.
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VERT_VISIT was used in a nested function.
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In some cases the vertex visit queue would exceed its max length,
visiting the same vertex multiple times.
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Don't assume UV layer exist.
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no functional changes.
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`bm_mesh_remap_cd_update`
In this case the Pyobject gets lost from pybm, and bm.free() does not invalidate the PyElem.
This will cause the destructor of python to read invalid memory and crash.
The solution is to make a copy of the pyobjects pointers before overwriting.
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meshes have autosmooth enabled.
The root of the issue was in custom normal code, so far it assumed that
we could only have one cyclic smooth fan around each vertex, which is...
blatantly wrong (again, the two cones sharing same vertex tip e.g.).
This required a rather deep change in how smooth fans/clnor spaces are processed,
took me some time to find a 'good' solution.
Note that new code is slightly slower than previous one (maybe about 5%),
not much to be done here, am afraid.
Tested against all older report files I could find, seems OK.
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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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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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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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