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Object: add functionality to access the object as an index for operators

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Add:
- ED_object_in_mode_to_index
- ED_object_in_mode_from_index

Useful for operators that act on a non-active object in multi-edit mode,
so the index can be stored for the operators exec function to read back
the value when redoing an action. Needed to resolve T102680.
This commit is contained in:
Campbell Barton
2023-01-20 12:46:06 +11:00
parent 1184501d5c
commit ebb519652c
2 changed files with 71 additions and 0 deletions
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46
source/blender/editors/object/object_edit.c
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@@ -217,6 +217,52 @@ Object **ED_object_array_in_mode_or_selected(bContext *C,
/** \} */
/* -------------------------------------------------------------------- */
/** \name Object Index Lookup/Creation
* \{ */
int ED_object_in_mode_to_index(const Scene *scene,
ViewLayer *view_layer,
const eObjectMode mode,
const Object *ob)
{
BLI_assert(ob != NULL);
/* NOTE: the `v3d` is always NULL because the purpose of this function is to return
* a reusable index, using the `v3d` only increases the chance the index may become invalid. */
int index = -1;
int i = 0;
FOREACH_BASE_IN_MODE_BEGIN (scene, view_layer, NULL, -1, mode, base_iter) {
if (base_iter->object == ob) {
index = i;
break;
}
i++;
}
FOREACH_BASE_IN_MODE_END;
return index;
}
Object *ED_object_in_mode_from_index(const Scene *scene,
ViewLayer *view_layer,
const eObjectMode mode,
int index)
{
BLI_assert(index >= 0);
Object *ob = NULL;
int i = 0;
FOREACH_BASE_IN_MODE_BEGIN (scene, view_layer, NULL, -1, mode, base_iter) {
if (index == i) {
ob = base_iter->object;
break;
}
i++;
}
FOREACH_BASE_IN_MODE_END;
return ob;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Hide Operator
* \{ */