Fix T41463: Mirror Modifier breaks Automatic-Weights in weight-paint mode

The problem was it used copied verts on the opposite side.

1 files changed, 1 insertions, 10 deletions

diff --git a/source/blender/editors/armature/armature_skinning.c b/source/blender/editors/armature/armature_skinning.c
index 57ae03ccebe..fbc18e977ce 100644
--- a/source/blender/editors/armature/armature_skinning.c
+++ b/source/blender/editors/armature/armature_skinning.c
@@ -180,15 +180,6 @@ static int dgroup_skinnable_cb(Object *ob, Bone *bone, void *datap)
 	return 0;
 }
 
-static void add_vgroups__mapFunc(void *userData, int index, const float co[3],
-                                 const float UNUSED(no_f[3]), const short UNUSED(no_s[3]))
-{
-	/* DerivedMesh mapFunc for getting final coords in weight paint mode */
-
-	float (*verts)[3] = userData;
-	copy_v3_v3(verts[index], co);
-}
-
 static void envelope_bone_weighting(Object *ob, Mesh *mesh, float (*verts)[3], int numbones, Bone **bonelist,
                                     bDeformGroup **dgrouplist, bDeformGroup **dgroupflip,
                                     float (*root)[3], float (*tip)[3], const int *selected, float scale)
@@ -374,7 +365,7 @@ static void add_verts_to_dgroups(ReportList *reports, Scene *scene, Object *ob,
 		DerivedMesh *dm = mesh_get_derived_final(scene, ob, CD_MASK_BAREMESH);
 		
 		if (dm->foreachMappedVert) {
-			dm->foreachMappedVert(dm, add_vgroups__mapFunc, (void *)verts, DM_FOREACH_NOP);
+			mesh_get_mapped_verts_coords(dm, verts, mesh->totvert);
 			vertsfilled = 1;
 		}