virtual void setArmorGroups(const ItemGroupList &armor_groups)

{}

virtual const ItemGroupList &getArmorGroups()

virtual void setPhysicsOverride(float physics_override_speed, float physics_override_jump, float physics_override_gravity)

{}

virtual void setAnimation(v2f frames, float frame_speed, float frame_blend, bool frame_loop)

virtual void removeAttachmentChild(int child_id)

{}

virtual const std::unordered_set<int> &getAttachmentChildIds()

virtual ServerActiveObject *getParent() const { return nullptr; }

virtual ObjectProperties* accessObjectProperties()

{ return NULL; }