using UnityEngine;

public class Barrier : MonoBehaviour
{
    public AudioClip guardSound;
    public AudioClip destroySound;
    private int HP = 5;

    void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("EnemyMissile"))
        {
            HP -= 1;
            Destroy(other.gameObject);

            print(HP);

            if (HP > 0)
            {
                AudioSource.PlayClipAtPoint(guardSound, Camera.main.transform.position);
            }
            else
            {
                AudioSource.PlayClipAtPoint(destroySound, Camera.main.transform.position);
                Destroy(this.gameObject);
            }
        }
    }
}

using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class ItemManager : MonoBehaviour
{
    public ItemDatabase itemDatabase;
    public Image itemIcon;
    public TextMeshProUGUI itemCountLabel;
    private int num = 0;
    public AudioClip changeSound;
    private PlayerHP playerHP;
    public AudioClip okSound;
    public AudioClip ngSound;
    private AttackController attackController;
    // ★追加
    public GameObject barrierPrefab;

    void Start()
    {
        itemIcon.sprite = itemDatabase.itemList[num].itemIcon;
        UpdateUI();

        playerHP = GetComponent<PlayerHP>();
        attackController = GetComponent<AttackController>();
    }

    void Update()
    {
        if (InputManager.isa.Player.ItemChange.triggered)
        {
            AudioSource.PlayClipAtPoint(changeSound, Camera.main.transform.position);

            num = (num + 1) % itemDatabase.itemList.Count;
            itemIcon.sprite = itemDatabase.itemList[num].itemIcon;
            UpdateUI();
        }

        if (InputManager.isa.Player.Item.triggered)
        {
            if (itemDatabase.itemList[num].itemCount > 0)
            {
                AudioSource.PlayClipAtPoint(okSound, Camera.main.transform.position);

                itemDatabase.itemList[num].itemCount -= 1;
                UpdateUI();

                string currentItemName = itemDatabase.itemList[num].itemName;

                if (currentItemName == "HP")
                {
                    playerHP.AddHP();
                }
                else if(currentItemName == "RapidFire")
                {
                    attackController.RapidON();
                }
                // ★バリア
                else if(currentItemName == "Barrier")
                {
                    // プレーヤーの位置にバリアを生成
                    GameObject barrier = Instantiate(barrierPrefab, transform.position, Quaternion.identity);
                    // その位置でプレーヤーと親子関係にする
                    barrier.transform.parent = this.gameObject.transform;
                }
            }
            else
            {
                AudioSource.PlayClipAtPoint(ngSound, Camera.main.transform.position);
            }
        }
    }

    public void UpdateUI()
    {
        itemCountLabel.text = "" + itemDatabase.itemList[num].itemCount;
    }
}