背包系统详解

背包系统:
** 首先我们得分析背包的组成：一个背包系统有一个背包的背景UI以及格子UI和物品UI 组成差不多我们就得写三个类,代码量比较大就是物品类！**
我们先创建好预制体

UI设置好了之后就是开始写脚本

InventoryPanel.cs

using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;
public class InventotyInfo
{
   
   
    public int id;
    public int num;
    public int index;

    public int Id
    {
   
   
        get {
   
    return id; }
        set {
   
    id = value; }
    }

    public int Num
    {
   
   
        get {
   
    return num; }
        set {
   
    num = value; }
    }

    public int Index
    {
   
   
        get {
   
    return index; }
        set {
   
    index = value; }
    }

    public void AddNum(int number)
    {
   
   
        num += number;
    }
}
public class InventoryPanel : BasePanel
{
   
      
    public static InventoryPanel instance;
    public Button closeButton;
    public Button arrangeBtton;
    public Transform front;
    private SlotItem[] slots ;
    //背包信息
    public List<InventotyInfo> inventotyInfos=new List<InventotyInfo>();
    //背包临时信息
    public List<InventotyInfo> tempInventoryInfos = new List<InventotyInfo>();

    public Button queryButton01;
    public Button queryButton02;
    public Button queryButton03;

    private void Awake()
    {
   
   
        instance = this;
        slots = transform.GetChild(1).GetChild(2).GetComponentsInChildren<SlotItem>();
        for (int i = 0; i < slots.Length; i++)
        {
   
   
            slots[i].index = i;
            slots[i].isItem = false;
        }
    }
    // Start is called before the first frame update
    void Start()
    {
   
   
        inventotyInfos = GameObject.Find("MainMenuPanel").GetComponent<MainMenuPanel>().GetInventory();
        if(inventotyInfos.Count>0)
        {
   
   
            ShowAllGoods();
        }
        tempInventoryInfos= GameObject.Find("MainMenuPanel").GetComponent<MainMenuPanel>().GetBuyInventory();
        if(tempInventoryInfos!=null)
        {
   
   
            foreach (var info in tempInventoryInfos)
            {
   
   
                IncreaseGoods(info.id, info.num);
            }
            GameObject.Find("MainMenuPanel").GetComponent<MainMenuPanel>().CleanBuyInventory();
        }
     
        closeButton?.onClick.AddListener(() =>
        {
   
   
            Destroy(this.gameObject);
            MainMenuPanel mainMenuPanel= GameObject.Find("MainMenuPanel").GetComponent<MainMenuPanel>();
            mainMenuPanel.SetUIPanelState();
            mainMenuPanel.SetInventory(inventotyInfos);
        });

        arrangeBtton?.onClick.AddListener(() =>
        {
   
   
            ArrangeAllIsItemSlot();
        });
       

        queryButton01.onClick.AddListener(() =>
        {
   
   
            CleanSlotInfo();
            QueryInventory(1001);
            
        })