Fix object motion paths not updating correct after filtering optimization.

source/blender/blenkernel/BKE_anim.h

@@ -57,7 +57,11 @@ void animviz_free_motionpath(struct bMotionPath *mpath);
 struct bMotionPath *animviz_verify_motionpaths(struct ReportList *reports, struct Scene *scene, struct Object *ob, struct bPoseChannel *pchan);
 
 void animviz_get_object_motionpaths(struct Object *ob, ListBase *targets);
-void animviz_calc_motionpaths(struct Depsgraph *depsgraph, struct Main *bmain, struct Scene *scene, ListBase *targets);
+void animviz_calc_motionpaths(struct Depsgraph *depsgraph,
+                              struct Main *bmain,
+                              struct Scene *scene,
+                              ListBase *targets,
+                              bool restore);
 
 /* ---------------------------------------------------- */
 /* Curve Paths */

source/blender/blenkernel/intern/anim.c

@@ -401,7 +401,11 @@ static void motionpaths_calc_bake_targets(ListBase *targets, int cframe)
  *	- recalc: whether we need to
  */
 /* TODO: include reports pointer? */
- void animviz_calc_motionpaths(Depsgraph *depsgraph, Main *bmain, Scene *scene, ListBase *targets)
+void animviz_calc_motionpaths(Depsgraph *depsgraph,
+                              Main *bmain,
+                              Scene *scene,
+                              ListBase *targets,
+                              bool restore)
 {
 	MPathTarget *mpt;
 	int sfra, efra;
@@ -476,12 +480,13 @@ static void motionpaths_calc_bake_targets(ListBase *targets, int cframe)
 	}
 
 	/* reset original environment */
-	/* NOTE: We shouldn't need to reevaluate the main scene,
-	 * as the depsgraph passed in calculates the results on a
-	 * a copy-on-write copy of the data. That said, we have to
-	 * restore the current frame settings
-	 */
+	/* NOTE: We don't always need to reevaluate the main scene, as the depsgraph
+	 * may be a temporary one that works on a subset of the data. We always have
+	 * to resoture the current frame though. */
 	CFRA = cfra;
+	if (restore) {
+		motionpaths_calc_update_scene(bmain, depsgraph);
+	}
 
 	/* clear recalc flags from targets */
 	for (mpt = targets->first; mpt; mpt = mpt->next) {

source/blender/editors/armature/pose_edit.c

@@ -226,7 +226,7 @@ void ED_pose_recalculate_paths(bContext *C, Scene *scene, Object *ob)
 
 	/* recalculate paths, then free */
 	TIMEIT_START(pose_path_calc);
-	animviz_calc_motionpaths(depsgraph, bmain, scene, &targets);
+	animviz_calc_motionpaths(depsgraph, bmain, scene, &targets, false);
 	TIMEIT_END(pose_path_calc);
 
 	BLI_freelistN(&targets);

source/blender/editors/object/object_edit.c

@@ -1239,7 +1239,7 @@ void ED_objects_recalculate_paths(bContext *C, Scene *scene)
 	CTX_DATA_END;
 
 	/* recalculate paths, then free */
-	animviz_calc_motionpaths(depsgraph, bmain, scene, &targets);
+	animviz_calc_motionpaths(depsgraph, bmain, scene, &targets, true);
 	BLI_freelistN(&targets);
 
 	/* tag objects for copy on write - so paths will draw/redraw */