public double getVolume()
    {
    	double totalVolume = super.getVolume(); // first, get volume of just itself
    	
    	// System.out.println("Volume of just " + getName() + ": " + totalVolume);
    	
    	// add volume of all contents if this is not a chest
    	if(!(this instanceof Chest))
    	{
    		for(ContainableSimWo conSimWo : getContents())
    		{
    			// System.out.println("Volume of " + conSimWo.getName() + ": " + conSimWo.getVolume());
    			totalVolume += conSimWo.getVolume();
    			// System.out.println("Updated volume of " + getName() + ": " + totalVolume);
    		}
    	}
    	
    	// System.out.println("Total volume of " + getName() + ": " + totalVolume + ".");
    	
    	return totalVolume;
    }