@Override
    public void onEntityExplode(EntityExplodeEvent event) {
	List<Block> blockList = event.blockList();

	for (Block block : blockList) {
	    PlanArea area = BuildingPlanner.plugin.areaManager.getAffectedArea(block);
	    if (area == null) {
		continue;
	    }
	    
	    if (area.isCommitted()) {
		continue;
	    }
	    
	    if (area.isPlannedBlock(block)) {
		event.setCancelled(true);
	    }
	}
	super.onEntityExplode(event);
    }