@SubscribeEvent
    public void onWorldLoad(WorldEvent.Load event) {
        BikeWorldData data = BikeWorldData.get(event.world);
        Main.instance().context.worldStructures = new ArrayList<WorldStructure>(data.getStructures());
    }

    @SubscribeEvent
    public void onWorldUnload(WorldEvent.Unload event) {
        Main.instance().context.worldStructures.clear();
    }