[Bf-blender-cvs] [8004214356a] blender-v3.3-release: Fix T99141: Crash with edit mode and copy location constraint
Sonny Campbell
noreply at git.blender.org
Wed Sep 21 14:27:08 CEST 2022
Commit: 8004214356a4882606d92758f33954e5973fc591
Author: Sonny Campbell
Date: Tue Sep 6 13:09:01 2022 -0500
Branches: blender-v3.3-release
https://developer.blender.org/rB8004214356a4882606d92758f33954e5973fc591
Fix T99141: Crash with edit mode and copy location constraint
The constraint attempted to access mesh normals on a mesh with
wrapper type ME_WRAPPER_TYPE_BMESH. This commit reverses the if
statements so that If there is an editmesh then we use that as the
source of truth - otherwise use the evaluated mesh.
Differential Revision: https://developer.blender.org/D15809
===================================================================
M source/blender/blenkernel/intern/constraint.c
===================================================================
diff --git a/source/blender/blenkernel/intern/constraint.c b/source/blender/blenkernel/intern/constraint.c
index 9f1d2d7bbb2..e2874f1a1c6 100644
--- a/source/blender/blenkernel/intern/constraint.c
+++ b/source/blender/blenkernel/intern/constraint.c
@@ -528,7 +528,24 @@ static void contarget_get_mesh_mat(Object *ob, const char *substring, float mat[
float vec[3] = {0.0f, 0.0f, 0.0f};
float normal[3] = {0.0f, 0.0f, 0.0f};
float weightsum = 0.0f;
- if (me_eval) {
+ if (em) {
+ if (CustomData_has_layer(&em->bm->vdata, CD_MDEFORMVERT)) {
+ BMVert *v;
+ BMIter iter;
+
+ BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
+ MDeformVert *dv = CustomData_bmesh_get(&em->bm->vdata, v->head.data, CD_MDEFORMVERT);
+ MDeformWeight *dw = BKE_defvert_find_index(dv, defgroup);
+
+ if (dw && dw->weight > 0.0f) {
+ madd_v3_v3fl(vec, v->co, dw->weight);
+ madd_v3_v3fl(normal, v->no, dw->weight);
+ weightsum += dw->weight;
+ }
+ }
+ }
+ }
+ else if (me_eval) {
const float(*vert_normals)[3] = BKE_mesh_vertex_normals_ensure(me_eval);
const MDeformVert *dvert = CustomData_get_layer(&me_eval->vdata, CD_MDEFORMVERT);
int numVerts = me_eval->totvert;
@@ -550,23 +567,6 @@ static void contarget_get_mesh_mat(Object *ob, const char *substring, float mat[
}
}
}
- else if (em) {
- if (CustomData_has_layer(&em->bm->vdata, CD_MDEFORMVERT)) {
- BMVert *v;
- BMIter iter;
-
- BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
- MDeformVert *dv = CustomData_bmesh_get(&em->bm->vdata, v->head.data, CD_MDEFORMVERT);
- MDeformWeight *dw = BKE_defvert_find_index(dv, defgroup);
-
- if (dw && dw->weight > 0.0f) {
- madd_v3_v3fl(vec, v->co, dw->weight);
- madd_v3_v3fl(normal, v->no, dw->weight);
- weightsum += dw->weight;
- }
- }
- }
- }
else {
/* No valid edit or evaluated mesh, just abort. */
return;
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