[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [52810] trunk/blender/source/blender/bmesh /tools/bmesh_bevel.c: Bevel: fix 'causing artifacts' bug 33245.
Howard Trickey
howard.trickey at gmail.com
Fri Dec 7 19:45:52 CET 2012
Revision: 52810
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=52810
Author: howardt
Date: 2012-12-07 18:45:52 +0000 (Fri, 07 Dec 2012)
Log Message:
-----------
Bevel: fix 'causing artifacts' bug 33245.
Really was caused by a previous bevel making
a two-edged face, which caused other faces to
be dropped when copying a bmesh.
The quadstrip code needed to be more careful
to avoid creating two-edge faces.
Modified Paths:
--------------
trunk/blender/source/blender/bmesh/tools/bmesh_bevel.c
Modified: trunk/blender/source/blender/bmesh/tools/bmesh_bevel.c
===================================================================
--- trunk/blender/source/blender/bmesh/tools/bmesh_bevel.c 2012-12-07 16:35:43 UTC (rev 52809)
+++ trunk/blender/source/blender/bmesh/tools/bmesh_bevel.c 2012-12-07 18:45:52 UTC (rev 52810)
@@ -1295,39 +1295,27 @@
EdgeHalf *eh_b = next_bev(bv, eh_a->next); /* since (selcount == 2) we know this is valid */
BMLoop *l_a = BM_face_vert_share_loop(f, eh_a->rightv->nv.v);
BMLoop *l_b = BM_face_vert_share_loop(f, eh_b->leftv->nv.v);
- int seg_count = bv->vmesh->seg; /* ensure we don't walk past the segments */
+ int split_count = bv->vmesh->seg + 1; /* ensure we don't walk past the segments */
- if (l_a == l_b) {
- /* step once around if we hit the same loop */
- l_a = l_a->prev;
- l_b = l_b->next;
- seg_count--;
- }
-
- BLI_assert(l_a != l_b);
-
- while (f->len > 4) {
+ while (f->len > 4 && split_count > 0) {
BMLoop *l_new;
BLI_assert(l_a->f == f);
BLI_assert(l_b->f == f);
- BM_face_split(bm, f, l_a->v, l_b->v, &l_new, NULL, FALSE);
- if (seg_count-- == 0) {
- break;
+ if (l_a-> v == l_b->v || l_a->next == l_b) {
+ /* l_a->v and l_b->v can be the same or such that we'd make a 2-vertex poly */
+ l_a = l_a->prev;
+ l_b = l_b->next;
}
+ else {
+ BM_face_split(bm, f, l_a->v, l_b->v, &l_new, NULL, FALSE);
+ f = l_new->f;
- /* turns out we don't need this,
- * because of how BM_face_split works we always get the loop of the next face */
-#if 0
- if (l_new->f->len < l_new->radial_next->f->len) {
- l_new = l_new->radial_next;
+ /* walk around the new face to get the next verts to split */
+ l_a = l_new->prev;
+ l_b = l_new->next->next;
}
-#endif
- f = l_new->f;
-
- /* walk around the new face to get the next verts to split */
- l_a = l_new->prev;
- l_b = l_new->next->next;
+ split_count--;
}
}
}
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