RepairCommands.java 文件源码

private void increaseReapirCount(ItemStack item, int x) {
    if (x == 0) return;
    ItemMeta meta = item.getItemMeta();
    if (meta instanceof Repairable) {
        Repairable r = (Repairable) meta;
        int count = r.getRepairCost() + x;
        if (count < 0) count = 0;
        r.setRepairCost(count);
        item.setItemMeta(meta);
    }
}