Animation: add BKE_fcurves_calc_keyed_frames utility

This function returns an array of keyed frames with rounding,
to avoid duplicates caused by subtle floating point difference.

Reviewed By: sybren

Ref D10781

1 files changed, 8 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_fcurve.h b/source/blender/blenkernel/BKE_fcurve.h
index 4569e68ea4a..ad9064fdfde 100644
--- a/source/blender/blenkernel/BKE_fcurve.h
+++ b/source/blender/blenkernel/BKE_fcurve.h
@@ -245,6 +245,14 @@ bool BKE_fcurve_calc_bounds(struct FCurve *fcu,
                             const bool do_sel_only,
                             const bool include_handles);
 
+float *BKE_fcurves_calc_keyed_frames_ex(struct FCurve **fcurve_array,
+                                        const int fcurve_array_len,
+                                        const float interval,
+                                        int *r_frames_len);
+float *BKE_fcurves_calc_keyed_frames(struct FCurve **fcurve_array,
+                                     const int fcurve_array_len,
+                                     int *r_frames_len);
+
 void BKE_fcurve_active_keyframe_set(struct FCurve *fcu, const struct BezTriple *active_bezt);
 int BKE_fcurve_active_keyframe_index(const struct FCurve *fcu);