diff options
Diffstat (limited to 'source/blender/blenkernel/intern/nla.c')
| -rw-r--r-- | source/blender/blenkernel/intern/nla.c | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/nla.c b/source/blender/blenkernel/intern/nla.c index 97aa6b07ab0..92e21183acb 100644 --- a/source/blender/blenkernel/intern/nla.c +++ b/source/blender/blenkernel/intern/nla.c @@ -254,7 +254,7 @@ NlaTrack *BKE_nlatrack_copy(Main *bmain, * \param flag: Control ID pointers management, see LIB_ID_CREATE_.../LIB_ID_COPY_... * flags in BKE_lib_id.h */ -void BKE_nla_tracks_copy(Main *bmain, ListBase *dst, ListBase *src, const int flag) +void BKE_nla_tracks_copy(Main *bmain, ListBase *dst, const ListBase *src, const int flag) { NlaTrack *nlt, *nlt_d; @@ -275,6 +275,54 @@ void BKE_nla_tracks_copy(Main *bmain, ListBase *dst, ListBase *src, const int fl } } +/* Set adt_dest->actstrip to the strip with the same index as adt_source->actstrip. */ +static void update_active_strip(AnimData *adt_dest, + NlaTrack *track_dest, + const AnimData *adt_source, + NlaTrack *track_source) +{ + BLI_assert(BLI_listbase_count(&track_source->strips) == BLI_listbase_count(&track_dest->strips)); + + NlaStrip *strip_dest = track_dest->strips.first; + LISTBASE_FOREACH (NlaStrip *, strip_source, &track_source->strips) { + if (strip_source == adt_source->actstrip) { + adt_dest->actstrip = strip_dest; + } + + strip_dest = strip_dest->next; + } +} + +/* Set adt_dest->act_track to the track with the same index as adt_source->act_track. */ +static void update_active_track(AnimData *adt_dest, const AnimData *adt_source) +{ + BLI_assert(BLI_listbase_count(&adt_source->nla_tracks) == + BLI_listbase_count(&adt_dest->nla_tracks)); + + NlaTrack *track_dest = adt_dest->nla_tracks.first; + LISTBASE_FOREACH (NlaTrack *, track_source, &adt_source->nla_tracks) { + if (track_source == adt_source->act_track) { + adt_dest->act_track = track_dest; + /* Assumption: the active strip is on the active track. */ + update_active_strip(adt_dest, track_dest, adt_source, track_source); + } + + track_dest = track_dest->next; + } +} + +void BKE_nla_tracks_copy_from_adt(Main *bmain, + AnimData *adt_dest, + const AnimData *adt_source, + const int flag) +{ + adt_dest->act_track = NULL; + adt_dest->actstrip = NULL; + + BKE_nla_tracks_copy(bmain, &adt_dest->nla_tracks, &adt_source->nla_tracks, flag); + update_active_track(adt_dest, adt_source); +} + /* Adding ------------------------------------------- */ /* Add a NLA Track to the given AnimData |