diff options
author | Bastien Montagne <bastien@blender.org> | 2020-07-14 12:38:25 +0300 |
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committer | Bastien Montagne <bastien@blender.org> | 2020-07-14 15:51:13 +0300 |
commit | 140b26909ea9cf910aa39efd0c2f81a2a410bc84 (patch) | |
tree | 56a8398b0cdb417cdc9a4db2cba0132c22ce5859 /source/blender/blenkernel/intern/lib_override.c | |
parent | 1e5ce391563f48c487862e5f05c6517e98a42e21 (diff) |
LibOverride: Move code tagging reauired dependencies of an override into BKE.
This is fairly generic code that can be re-used in other places.
Diffstat (limited to 'source/blender/blenkernel/intern/lib_override.c')
-rw-r--r-- | source/blender/blenkernel/intern/lib_override.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/lib_override.c b/source/blender/blenkernel/intern/lib_override.c index 009303b8c83..d2730f1fa19 100644 --- a/source/blender/blenkernel/intern/lib_override.c +++ b/source/blender/blenkernel/intern/lib_override.c @@ -38,6 +38,7 @@ #include "BKE_key.h" #include "BKE_lib_id.h" #include "BKE_lib_override.h" +#include "BKE_lib_query.h" #include "BKE_lib_remap.h" #include "BKE_main.h" @@ -354,6 +355,56 @@ bool BKE_lib_override_library_create_from_tag(Main *bmain) return success; } +static bool lib_override_hierarchy_recursive_tag(Main *bmain, ID *id) +{ + MainIDRelationsEntry *entry = BLI_ghash_lookup(bmain->relations->id_user_to_used, id); + + /* This way we won't process again that ID should we encounter it again through another + * relationship hierarchy. + * Note that this does not free any memory from relations, so we can still use the entries. + */ + BKE_main_relations_ID_remove(bmain, id); + + for (; entry != NULL; entry = entry->next) { + /* We only consider IDs from the same library. */ + if (entry->id_pointer != NULL && (*entry->id_pointer)->lib == id->lib) { + if (lib_override_hierarchy_recursive_tag(bmain, *entry->id_pointer)) { + id->tag |= LIB_TAG_DOIT; + } + } + } + + return (id->tag & LIB_TAG_DOIT) != 0; +} + +/** + * Tag all IDs in given \a bmain that use (depends on) given \a id_root ID. + * + * This will include all local IDs, and all IDs from the same library as the \a id_root. + * + * \param id_root The root of the hierarchy of dependencies to be tagged. + * \param do_create_main_relashionships Whether main relations needs to be created or already exist + * (in any case, they will be freed by this function). + */ +void BKE_lib_override_dependencies_tag(struct Main *bmain, + struct ID *id_root, + const uint tag, + const bool do_create_main_relashionships) +{ + id_root->tag |= tag; + + if (do_create_main_relashionships) { + BKE_main_relations_create(bmain, 0); + } + + /* Then we tag all intermediary data-blocks in-between two overridden ones (e.g. if a shapekey + * has a driver using an armature object's bone, we need to override the shapekey/obdata, the + * objects using them, etc.) */ + lib_override_hierarchy_recursive_tag(bmain, id_root); + + BKE_main_relations_free(bmain); +} + /* We only build override GHash on request. */ BLI_INLINE IDOverrideLibraryRuntime *override_library_rna_path_mapping_ensure( IDOverrideLibrary *override) |