public int getDiggingDepth(Item item)
	{
		if(item==null)
			return 1;
		switch(item.material()&RawMaterial.MATERIAL_MASK)
		{
		case RawMaterial.MATERIAL_METAL:
		case RawMaterial.MATERIAL_MITHRIL:
		case RawMaterial.MATERIAL_WOODEN:
			if(item.Name().toLowerCase().indexOf("shovel")>=0)
				return 5+item.phyStats().weight();
			return 1+(item.phyStats().weight()/5);
		case RawMaterial.MATERIAL_SYNTHETIC:
		case RawMaterial.MATERIAL_ROCK:
		case RawMaterial.MATERIAL_GLASS:
			if(item.Name().toLowerCase().indexOf("shovel")>=0)
				return 14+item.phyStats().weight();
			return 1+(item.phyStats().weight()/7);
		default:
			return 1;
		}
	}