Commit: 6e94ec623d3ff9e92cffc3e1461f033543dda5b3
Author: Campbell Barton
Date: Thu Apr 28 12:48:13 2016 +1000
Branches: master
https://developer.blender.org/rB6e94ec623d3ff9e92cffc3e1461f033543dda5b3
BMesh: limited-dissolve, add check for wire edges
Recent degenerate check crashed on chains of wire edges
===================================================================
M source/blender/bmesh/tools/bmesh_decimate_dissolve.c
===================================================================
diff --git a/source/blender/bmesh/tools/bmesh_decimate_dissolve.c
b/source/blender/bmesh/tools/bmesh_decimate_dissolve.c
index 5a7a2f3..1a16bd1 100644
--- a/source/blender/bmesh/tools/bmesh_decimate_dissolve.c
+++ b/source/blender/bmesh/tools/bmesh_decimate_dissolve.c
@@ -226,6 +226,12 @@ static bool bm_vert_collapse_is_degenerate(BMVert *v)
BMVert *v_pair[2];
if (BM_vert_edge_pair(v, &e_pair[0], &e_pair[1])) {
+
+ /* allow wire edges */
+ if (BM_edge_is_wire(e_pair[0]) || BM_edge_is_wire(e_pair[1])) {
+ return false;
+ }
+
v_pair[0] = BM_edge_other_vert(e_pair[0], v);
v_pair[1] = BM_edge_other_vert(e_pair[1], v);
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