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Fix #115169: Loop Cut overlay broken with Mirror Bisect Modifier

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Oversight in [0] which assumed the cage meshes vertices were aligned
with the edit-mesh vertices which isn't always the case.

Check the cage mesh only has deformations applied before using it.

[0]: 29a338811c
This commit is contained in:
Campbell Barton
2024-01-11 12:44:14 +11:00
parent d0359d066d
commit 0c89e2d60e
1 changed files with 3 additions and 1 deletions
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4
source/blender/blenkernel/intern/editmesh.cc
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@@ -230,8 +230,10 @@ const float (*BKE_editmesh_vert_coords_when_deformed(Depsgraph *depsgraph,
Object *object_eval = DEG_get_evaluated_object(depsgraph, ob);
Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object_eval);
Mesh *mesh_cage = BKE_object_get_editmesh_eval_cage(ob);
if (Mesh *mesh_cage = BKE_object_get_editmesh_eval_cage(ob)) {
if (mesh_cage && mesh_cage->runtime->deformed_only) {
BLI_assert(BKE_mesh_wrapper_vert_len(mesh_cage) == em->bm->totvert);
/* Deformed, and we have deformed coords already. */
coords = BKE_mesh_wrapper_vert_coords(mesh_cage);
}