Tweaks to plane track

- Do plane re-evaluation only when transform is actually done.
  Before this re-evaluation happened on every mouse move.

- Added a flag "Auto Keyframe" for the plane track, which does:

  * If Auto Keyframe is enabled, then every manual edit of the
    plane will create a new keyframe at current frame and update
    plane motion between current frame and previous/next keyframe.

    This now also implies blending detected motion with neighbor
    keyframes, so there's no jump happening.

    No automatic update on manual point tracks edit will happen.

  * If auto Keyframe is disabled, then no keyframes are adding
    to the plane and every plane tweak will re-evaluate in on
    the whole frame range.

    In this case manual tweaks to point tracks and re-tracking
    them implies plane re-evaluation.

1 files changed, 3 insertions, 2 deletions

diff --git a/source/blender/makesdna/DNA_tracking_types.h b/source/blender/makesdna/DNA_tracking_types.h
index f81ac4dab06..3eafbee1bad 100644
--- a/source/blender/makesdna/DNA_tracking_types.h
+++ b/source/blender/makesdna/DNA_tracking_types.h
@@ -481,8 +481,9 @@ enum {
 
 /* MovieTrackingPlaneTrack->flag */
 enum {
-	PLANE_TRACK_HIDDEN = (1 << 1),
-	PLANE_TRACK_LOCKED = (1 << 2),
+	PLANE_TRACK_HIDDEN  = (1 << 1),
+	PLANE_TRACK_LOCKED  = (1 << 2),
+	PLANE_TRACK_AUTOKEY = (1 << 3),
 };
 
 #endif  /* __DNA_TRACKING_TYPES_H__ */