diff options
Diffstat (limited to 'source/blender/blenkernel/intern/undo_system.c')
-rw-r--r-- | source/blender/blenkernel/intern/undo_system.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/undo_system.c b/source/blender/blenkernel/intern/undo_system.c index bb4c0b1130e..d478be7db06 100644 --- a/source/blender/blenkernel/intern/undo_system.c +++ b/source/blender/blenkernel/intern/undo_system.c @@ -776,6 +776,7 @@ void BKE_undosys_ID_map_add(UndoIDPtrMap *map, ID *id) map->pmap[len_src].index = len_src; map->len = len_dst; + /* TODO(campbell): use binary search result and memmove instread of full-sort. */ qsort(map->pmap, map->len, sizeof(*map->pmap), BLI_sortutil_cmp_ptr); } @@ -792,4 +793,26 @@ ID *BKE_undosys_ID_map_lookup(const UndoIDPtrMap *map, const ID *id_src) return id_dst; } +void BKE_undosys_ID_map_add_with_prev(UndoIDPtrMap *map, ID *id, ID **id_prev) +{ + if (id == *id_prev) { + return; + } + *id_prev = id; + BKE_undosys_ID_map_add(map, id); +} + +ID *BKE_undosys_ID_map_lookup_with_prev(const UndoIDPtrMap *map, ID *id_src, ID *id_prev_match[2]) +{ + if (id_src == id_prev_match[0]) { + return id_prev_match[1]; + } + else { + ID *id_dst = BKE_undosys_ID_map_lookup(map, id_src); + id_prev_match[0] = id_src; + id_prev_match[1] = id_dst; + return id_dst; + } +} + /** \} */ |