FurnaceEndpoint.java 文件源码

/**
 * Updates the status of the furnace to the current amount of fuel and
 * smelting items.
 */
private final void updateLevels() {
    FurnaceInventory inventory = (((Furnace) location.getBlock().getState()).getInventory());
    final ItemStack fuelItem = inventory.getFuel();
    if (fuelItem == null || fuelItem.getType() == Material.AIR) {
        fuelAmount = 0;
    } else {
        fuelAmount = fuelItem.getAmount();
    }

    final ItemStack smeltItem = inventory.getSmelting();
    if (smeltItem == null || smeltItem.getType() == Material.AIR) {
        smeltingAmount = 0;
    } else {
        smeltingAmount = smeltItem.getAmount();
    }
}