Method empty

src/main/java/gregapi/item/IItemEnergy.java:183–188

(ItemStack aStack, boolean aDefault)

		}
		
		public static boolean empty(ItemStack aStack, boolean aDefault) {
			if (ST.invalid(aStack)) return aDefault;
			if (aStack.getItem() instanceof IItemEnergy) for (TagData tEnergyType : ((IItemEnergy)aStack.getItem()).getEnergyTypes(aStack)) if (((IItemEnergy)aStack.getItem()).getEnergyStored(tEnergyType, aStack) > 0) return F;
			if (COMPAT_EU_ITEM != null && COMPAT_EU_ITEM.is(aStack) && COMPAT_EU_ITEM.stored(aStack) > 0) return F;
			return aDefault;
		}
	}
}