@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
public void onPistonRetract(BlockPistonRetractEvent event) {
ZoneManager manager = m_plugin.getZoneManager();
if (!manager.zoneExists(event.getBlock().getLocation())) {
if (manager.zoneExists(event.getRetractLocation())) {
event.setCancelled(true);
return;
}
} else if (!manager
.getZone(event.getBlock().getLocation())
.getName()
.equals(manager.getZone(event.getRetractLocation()).getName())) {
event.setCancelled(true);
return;
}
}