diff options
Diffstat (limited to 'source/blender/blenkernel/intern/anim_sys.c')
| -rw-r--r-- | source/blender/blenkernel/intern/anim_sys.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/anim_sys.c b/source/blender/blenkernel/intern/anim_sys.c index 8e36449f214..00e5c1be48e 100644 --- a/source/blender/blenkernel/intern/anim_sys.c +++ b/source/blender/blenkernel/intern/anim_sys.c @@ -318,6 +318,77 @@ void BKE_copy_animdata_id_action(ID *id) } } +/* Merge copies of the data from the src AnimData into the destination AnimData */ +void BKE_animdata_merge_copy(ID *dst_id, ID *src_id, eAnimData_MergeCopy_Modes action_mode, bool fix_drivers) +{ + AnimData *src = BKE_animdata_from_id(src_id); + AnimData *dst = BKE_animdata_from_id(dst_id); + + /* sanity checks */ + if (ELEM(NULL, dst, src)) + return; + + // TODO: we must unset all "tweakmode" flags + if ((src->flag & ADT_NLA_EDIT_ON) || (dst->flag & ADT_NLA_EDIT_ON)) { + printf("ERROR: Merging AnimData blocks while editing NLA is dangerous as it may cause data corruption\n"); + return; + } + + /* handle actions... */ + if (action_mode == ADT_MERGECOPY_SRC_COPY) { + /* make a copy of the actions */ + dst->action = BKE_action_copy(src->action); + dst->tmpact = BKE_action_copy(src->tmpact); + } + else if (action_mode == ADT_MERGECOPY_SRC_REF) { + /* make a reference to it */ + dst->action = src->action; + id_us_plus((ID *)dst->action); + + dst->tmpact = src->tmpact; + id_us_plus((ID *)dst->tmpact); + } + + /* duplicate NLA data */ + if (src->nla_tracks.first) { + ListBase tracks = {NULL, NULL}; + + copy_nladata(&tracks, &src->nla_tracks); + BLI_movelisttolist(&dst->nla_tracks, &tracks); + } + + /* duplicate drivers (F-Curves) */ + if (src->drivers.first) { + ListBase drivers = {NULL, NULL}; + + copy_fcurves(&drivers, &src->drivers); + + /* Fix up all driver targets using the old target id + * - This assumes that the src ID is being merged into the dst ID + */ + if (fix_drivers) { + FCurve *fcu; + + for (fcu = drivers.first; fcu; fcu = fcu->next) { + ChannelDriver *driver = fcu->driver; + DriverVar *dvar; + + for (dvar = driver->variables.first; dvar; dvar = dvar->next) { + DRIVER_TARGETS_USED_LOOPER(dvar) + { + if (dtar->id == src_id) { + dtar->id = dst_id; + } + } + DRIVER_TARGETS_LOOPER_END + } + } + } + + BLI_movelisttolist(&dst->drivers, &drivers); + } +} + /* Make Local -------------------------------------------- */ static void make_local_strips(ListBase *strips) |