diff options
| -rw-r--r-- | source/blender/blenkernel/intern/nla.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/source/blender/blenkernel/intern/nla.c b/source/blender/blenkernel/intern/nla.c index 910de5c6763..5996bdc9f9a 100644 --- a/source/blender/blenkernel/intern/nla.c +++ b/source/blender/blenkernel/intern/nla.c @@ -916,9 +916,14 @@ void BKE_nlatrack_set_active (ListBase *tracks, NlaTrack *nlt_a) /* Check if there is any space in the given track to add a strip of the given length */ short BKE_nlatrack_has_space (NlaTrack *nlt, float start, float end) { - /* sanity checks */ - if ((nlt == NULL) || IS_EQ(start, end)) + /* sanity checks + * - track must exist + * - track must be editable + * - bounds cannot be equal (0-length is nasty) + */ + if ((nlt == NULL) || (nlt->flag & NLATRACK_PROTECTED) || IS_EQ(start, end)) return 0; + if (start > end) { puts("BKE_nlatrack_has_space() error... start and end arguments swapped"); SWAP(float, start, end); |