Fix dependency graph for constraints depending on B-Bone shape.

Some constraints have an option to take the final bezier shape of
the target B-Bone into account. This shape usually depends on two
other bones in addition to the target itself, so the graph should
include the relevant dependencies.

Reviewers: sergey

Differential Revision: https://developer.blender.org/D3591

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_armature.h b/source/blender/blenkernel/BKE_armature.h
index 17329beb325..2e2da281af4 100644
--- a/source/blender/blenkernel/BKE_armature.h
+++ b/source/blender/blenkernel/BKE_armature.h
@@ -140,6 +140,8 @@ typedef struct Mat4 {
 	float mat[4][4];
 } Mat4;
 
+void BKE_pchan_get_bbone_handles(struct bPoseChannel *pchan, struct bPoseChannel **r_prev, struct bPoseChannel **r_next);
+
 void equalize_bbone_bezier(float *data, int desired);
 void b_bone_spline_setup(struct bPoseChannel *pchan, int rest, Mat4 result_array[MAX_BBONE_SUBDIV]);