/**
   * ■対象EntityのDataWatcherについてる傷を取得
   *
   * @param dwIn
   * @return
   */
  public int getHitCount(DataWatcher dwIn) {
    int countHit = 0;
    try {
      // ■情報が刻まれているなら値を取得できる
      countHit = dwIn.getWatchableObjectInt(Hizume.getDWID());
    } catch (NullPointerException e) {
      // ■初物
      dwIn.addObject(Hizume.getDWID(), Integer.valueOf(0));
    }

    return countHit;
  }
  /**
   * ■対象Entityに傷を指定数つける
   *
   * @param dwIn
   * @param countHit
   */
  public void setHitCount(DataWatcher dwIn, int countHit) {
    // ■確認用
    getHitCount(dwIn);

    // ■設定
    dwIn.updateObject(Hizume.getDWID(), MathHelper.clamp_int(countHit, 0, Integer.MAX_VALUE - 1));
  }
  /**
   * Called when the player Left Clicks (attacks) an entity. Processed before damage is done, if
   * return value is true further processing is canceled and the entity is not attacked.
   * ■左クリックでEntityを殴ると呼ばれる。 (return : 相手にダメージを [true = 与えない : false = 与える])
   *
   * @param stack The Item being used
   * @param player The player that is attacking
   * @param entity The entity being attacked
   * @return True to cancel the rest of the interaction.
   */
  @Override
  public boolean onLeftClickEntity(ItemStack stackIn, EntityPlayer player, Entity entity) {
    // ■相手に傷をつける(DataWatcherに情報を刻む)
    if (entity instanceof EntityDragonPart) {
      // ■DragonPartからDragonを取得
      entity = (Entity) ((EntityDragonPart) entity).entityDragonObj;
    }
    DataWatcher dw = entity.getDataWatcher();

    int countHit = getHitCount(dw);

    // ■情報を刻む
    dw.updateObject(Hizume.getDWID(), ++countHit);

    // TODO
    if (!player.worldObj.isRemote) {
      // System.out.println("Entity = " + entity.getName() + " : Scars!");
    }

    return false;
  }