diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_idtype.h')
-rw-r--r-- | source/blender/blenkernel/BKE_idtype.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_idtype.h b/source/blender/blenkernel/BKE_idtype.h index 3caf15d1b50..88b78a1c6cc 100644 --- a/source/blender/blenkernel/BKE_idtype.h +++ b/source/blender/blenkernel/BKE_idtype.h @@ -102,6 +102,10 @@ typedef void (*IDTypeBlendReadDataFunction)(struct BlendDataReader *reader, stru typedef void (*IDTypeBlendReadLibFunction)(struct BlendLibReader *reader, struct ID *id); typedef void (*IDTypeBlendReadExpandFunction)(struct BlendExpander *expander, struct ID *id); +typedef void (*IDTypeBlendReadUndoPreserve)(struct BlendLibReader *reader, + struct ID *id_new, + struct ID *id_old); + typedef struct IDTypeInfo { /* ********** General IDType data. ********** */ @@ -196,6 +200,13 @@ typedef struct IDTypeInfo { * Specify which other id data blocks should be loaded when the current one is loaded. */ IDTypeBlendReadExpandFunction blend_read_expand; + + /** + * Allow an ID type to preserve some of its data accross (memfile) undo steps. + * + * \note Called from #setup_app_data when undoing or redoing a memfile step. + */ + IDTypeBlendReadUndoPreserve blend_read_undo_preserve; } IDTypeInfo; /* ********** Declaration of each IDTypeInfo. ********** */ |