using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI; using UnityEngine.Events; public class Inventory : MonoBehaviour { public Button btn_pickup; public GameObject item; public Sprite[] sprites; public static class UIBind{ public static void BindClick(Button btn,UnityAction onClick) { btn.onClick.AddListener(onClick); } } private GameObject content; private Dictionary<string, int> itemsDic = new Dictionary<string, int>(); private Dictionary<string, GameObject> objsDic = new Dictionary<string, GameObject>(); void Start() { content = GameObject.Find("Canvas/Inventory/Viewport/Content"); UIBind.BindClick(btn_pickup, OnClickPickUp); } void OnClickPickUp() { Sprite sprite = sprites[Random.Range(0,sprites.Length)]; if (itemsDic.ContainsKey(sprite.name)) { itemsDic[sprite.name]++; objsDic[sprite.name].transform.Find("num").GetComponent<Text>().text = "x" + itemsDic[sprite.name].ToString(); } else { itemsDic.Add(sprite.name, 1); GameObject obj = Instantiate(item, content.transform); Image image = obj.transform.Find("slot").GetComponent<Image>(); image.sprite = sprite; Text text = obj.transform.Find("num").GetComponent<Text>(); text.text = "x" + itemsDic[sprite.name].ToString(); ; obj.GetComponentInChildren<Button>().onClick.AddListener(delegate() { OnClickUse(obj, sprite.name, text); }); objsDic.Add(sprite.name, obj); } } void OnClickUse(GameObject obj,string name ,Text text) { itemsDic[name]--; if (itemsDic[name] <=0) { itemsDic.Remove(name); objsDic.Remove(name); Destroy(obj); } else { text.text = "x" + itemsDic[name].ToString(); } } }麻烦帮我注释并且修正下

下面是对代码的注释和修正：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Events;

public class Inventory : MonoBehaviour
{
    // 拾取按钮
    public Button btn_pickup; 
    // 物品预制体
    public GameObject item; 
    // 所有物品的图片
    public Sprite[] sprites; 
    // 静态内部类，用于绑定按钮点击事件
    public static class UIBind
    {
        public static void BindClick(Button btn, UnityAction onClick)
        {
            btn.onClick.AddListener(onClick);
        }
    }

    // 物品栏的内容
    private GameObject content; 
    // 存储物品数量的字典
    private Dictionary<string, int> itemsDic = new Dictionary<string, int>(); 
    // 存储物品对象的字典
    private Dictionary<string, GameObject> objsDic = new Dictionary<string, GameObject>(); 

    void Start()
    {
        // 获取物品栏的内容对象
        content = GameObject.Find("Canvas/Inventory/Viewport/Content"); 
        // 绑定拾取按钮的点击事件
        UIBind.BindClick(btn_pickup, OnClickPickUp); 
    }

    // 点击拾取按钮的事件处理函数
    void OnClickPickUp()
    {
        // 随机选择一张物品图片
        Sprite sprite = sprites[Random.Range(0, sprites.Length)];
        if (itemsDic.ContainsKey(sprite.name))
        {
            // 如果已经有该物品，则数量加1
            itemsDic[sprite.name]++;
            objsDic[sprite.name].transform.Find("num").GetComponent<Text>().text = "x" + itemsDic[sprite.name].ToString();
        }
        else
        {
            // 如果没有该物品，则添加新物品
            itemsDic.Add(sprite.name, 1);
            // 创建新的物品对象
            GameObject obj = Instantiate(item, content.transform); 
            // 设置物品图片
            Image image = obj.transform.Find("slot").GetComponent<Image>();
            image.sprite = sprite;
            // 设置物品数量
            Text text = obj.transform.Find("num").GetComponent<Text>();
            text.text = "x" + itemsDic[sprite.name].ToString();
            // 绑定物品使用按钮的点击事件
            obj.GetComponentInChildren<Button>().onClick.AddListener(delegate ()
            {
                OnClickUse(obj, sprite.name, text);
            });
            objsDic.Add(sprite.name, obj);
        }
    }

    // 点击物品使用按钮的事件处理函数
    void OnClickUse(GameObject obj, string name, Text text)
    {
        // 物品数量减1
        itemsDic[name]--;
        if (itemsDic[name] <= 0)
        {
            // 如果数量为0，则从字典和界面上移除该物品
            itemsDic.Remove(name);
            objsDic.Remove(name);
            Destroy(obj);
        }
        else
        {
            // 否则更新物品数量
            text.text = "x" + itemsDic[name].ToString();
        }
    }
}