Differential D6526 Diff 20626 source/blender/editors/mesh/editmesh_utils.c

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source/blender/editors/mesh/editmesh_utils.c

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me->edit_mesh->selectmode = me->edit_mesh->bm->selectmode = select_mode;		me->edit_mesh->selectmode = me->edit_mesh->bm->selectmode = select_mode;
me->edit_mesh->mat_nr = (ob->actcol > 0) ? ob->actcol - 1 : 0;		me->edit_mesh->mat_nr = (ob->actcol > 0) ? ob->actcol - 1 : 0;
me->edit_mesh->ob = ob;		me->edit_mesh->ob = ob;

/* we need to flush selection because the mode may have changed from when last in editmode */		/* we need to flush selection because the mode may have changed from when last in editmode */
EDBM_selectmode_flush(me->edit_mesh);		EDBM_selectmode_flush(me->edit_mesh);
}		}

/**
* \warning This can invalidate the #Mesh runtime cache of other objects (for linked duplicates).
* Most callers should run #DEG_id_tag_update on \a ob->data, see: T46738, T46913
*/
void EDBM_mesh_load_ex(Main bmain, Object ob, bool free_data)		void EDBM_mesh_load_ex(Main bmain, Object ob, bool free_data)
{		{
Mesh *me = ob->data;		Mesh *me = ob->data;
BMesh *bm = me->edit_mesh->bm;		BKE_editmesh_load_ex(bmain, me->edit_mesh, free_data);

/* Workaround for T42360, 'ob->shapenr' should be 1 in this case.
* however this isn't synchronized between objects at the moment. */
if (UNLIKELY((ob->shapenr == 0) && (me->key && !BLI_listbase_is_empty(&me->key->block)))) {
bm->shapenr = 1;
}

BM_mesh_bm_to_me(bmain,
bm,
me,
(&(struct BMeshToMeshParams){
.calc_object_remap = true,
.update_shapekey_indices = !free_data,
}));

/* Free derived mesh. usually this would happen through depsgraph but there
* are exceptions like file save that will not cause this, and we want to
* avoid ending up with an invalid derived mesh then.
*
* Do it for all objects which shares the same mesh datablock, since their
* derived meshes might also be referencing data which was just freed,
*
* Annoying enough, but currently seems most efficient way to avoid access
* of freed data on scene update, especially in cases when there are dependency
* cycles.
*/
#if 0
for (Object *other_object = bmain->objects.first; other_object != NULL;
other_object = other_object->id.next) {
if (other_object->data == ob->data) {
BKE_object_free_derived_caches(other_object);
}
}
#endif
}		}

void EDBM_mesh_clear(BMEditMesh *em)		void EDBM_mesh_clear(BMEditMesh *em)
{		{
/* clear bmesh */		/* clear bmesh */
BM_mesh_clear(em->bm);		BM_mesh_clear(em->bm);

/* free derived meshes */		/* free derived meshes */
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