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Need to use the 'use_partial_connect' option in island connect,
so changed signatures of various functions to pass that into and
then down from BM_mesh_intersect (making true for intersect, false
for boolean).
Then fix bm_face_split_edgenet_partial_connect to work when
input edges are not necessarily wire, but at least not in the
face they are being connected in. That caused generalization
of core BM_vert_separate_hflag_wire (which is only used in
this one place in all Blender).
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Previous new adjust pass commit should have excluded percent mode.
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Was passing non-normalized axis to angle_on_axis.
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Match naming convention used everywhere else.
Count should only be used when this isn't directly accessible.
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Some of these API's can have 3D versions, explicitly name them 2D.
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- When returning the number of items in a collection use BLI_*_len()
- Keep _size() for size in bytes.
- Keep _count() for data structures that don't store length
(hint this isn't a simple getter).
See P611 to apply instead of manually resolving conflicts.
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This fixes a few caess where new width adjustment code
was less than ideal.
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T53783.
Before, profile=1 ("square outside") only worked well in a few cases
(some "pipes", cube corners). This makes it work well pretty much
everywhere.
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Consistent with other BLI API's
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For chains, access to g_prod[0] was undefined.
And two minor style (whitespace) changes.
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The old algorithm depended on vertex order.
The new one uses a global least squares solution on chains
and cycles of edges where loop slide induces a dependency.
See https://wiki.blender.org/index.php/Dev:Source/Modeling/Bevel
in the "Consistent Widths for Even Bevels" for derivation of
the new algorithm.
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A comparison should have not just have been against an epsilon,
but relative to the edge length involved.
Thanks to mano-wii for patch on which this is based.
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Patch from Richard Erhardt, with some additions & modifications.
Changes bevel profile shape parameter so that can get arbitrarily
near square profile as parameter -> 1.
Adds code to make profile=0 case work, at least for cube corners,
so changed hard min of profile parameter to 0 from 0.15.
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Recent addition of 'reinsert' didn't match logic for ghash API.
Rename to BLI_heap_node_value_update,
also add BLI_heap_insert_or_update since it's a common operation.
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Improves performance for high poly meshes,
~70% faster for decimate, only ~10% for beautify.
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Was using an edge hash for triangle -> edge lookups,
updating triangle indices for each edge-rotation.
Replace this with half-edge which can rotate edges much more simply,
writing triangles back once the solution has been calculated.
Gives ~33% speedup in own tests.
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This allows to have different macro headers without them sharing
similar names to regular C modules.
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Needed for 3D iterative edge-rotation to avoid flipping when projected
from different angles,
but could keep zero area faces in 2D polygons.
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Old bevel 'Clamp overlap' code was very naive: just limit amount
to half edge length. This uses more accurate (but not perfect)
calculations for the max amount before (many) geometry collisions
happen. This is not a backward compatible change - meshes that
have modifiers with 'Clamp overlap' will likely have larger allowed
bevel widths now. But that can be fixed by turning off clamp overlap
and setting the amount to the desired value.
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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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Note: the angle in bug isn't really reflex - using the vertex normal
for this test isn't always right, but usually is. At any rate,
shouldn't try to put vertex on edge between if a reflex angle.
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The mesh interpolation code had an edge case where one of two
adjacent edges to a vertex has 0 length. This caused an assert
failure indexing the vertex mesh for splash Blenderman.blend.
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no functional changes.
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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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- 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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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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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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Reviewed By: brecht
Differential Revision: https://developer.blender.org/D2304
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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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