Use a different approach to update skeletons when transform changes

scene/3d/skeleton.cpp

@@ -154,7 +154,19 @@ void Skeleton::_notification(int p_what) {
 
 		} break;
 		case NOTIFICATION_TRANSFORM_CHANGED: {
-			_make_dirty();
+
+			//if moved, just update transforms
+			VisualServer *vs = VisualServer::get_singleton();
+			Bone *bonesptr = &bones[0];
+			int len = bones.size();
+			Transform global_transform = get_global_transform();
+			Transform global_transform_inverse = global_transform.affine_inverse();
+
+			for (int i = 0; i < len; i++) {
+
+				Bone &b = bonesptr[i];
+				vs->skeleton_bone_set_transform(skeleton, i, global_transform * (b.transform_final * global_transform_inverse));
+			}
 		} break;
 		case NOTIFICATION_UPDATE_SKELETON: {
 
@@ -245,8 +257,8 @@ void Skeleton::_notification(int p_what) {
 					}
 				}
 
-				Transform transform = b.pose_global * b.rest_global_inverse;
-				vs->skeleton_bone_set_transform(skeleton, i, global_transform * (transform * global_transform_inverse));
+				b.transform_final = b.pose_global * b.rest_global_inverse;
+				vs->skeleton_bone_set_transform(skeleton, i, global_transform * (b.transform_final * global_transform_inverse));
 
 				for (List<uint32_t>::Element *E = b.nodes_bound.front(); E; E = E->next()) {
 

scene/3d/skeleton.h

@@ -57,6 +57,8 @@ class Skeleton : public Spatial {
 		bool custom_pose_enable;
 		Transform custom_pose;
 
+		Transform transform_final;
+
 		List<uint32_t> nodes_bound;
 
 		Bone() {