Unity类银河恶魔城学习记录11-19.20 p121 Armor item effect - p122 Item‘s cooldown explained源代码

本文链接：https://blog.youkuaiyun.com/Homura_/article/details/137264080

文章详细描述了如何在Unity中制作类银河恶魔城游戏，涉及FreezeEnemies_Effect脚本实现敌人冻结效果，以及Inventory和PlayerStats类管理角色装备和状态。内容包括数据结构、物品管理、状态更新和UI同步。

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Alex教程每一P的教程原代码加上我自己的理解初步理解写的注释，可供学习Alex教程的人参考
此代码仅为较上一P有所改变的代码

FreezeEnemies_Effect.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;


[CreateAssetMenu(fileName = "Freeze enemies effect", menuName = "Data/Item effect/Freeze enemies")]
public class FreezeEnemies_Effect : ItemEffect
{
    [SerializeField] private float duration;

    public override void ExecuteEffect(Transform _respawnPosition)
    {
        PlayerStats playerStats = PlayerManager.instance.player.GetComponent<PlayerStats>();

        if (playerStats.currentHealth > playerStats.GetMaxHealthValue()*.1f)
            return;

        if (!Inventory.instance.CanUseArmor())
            return;

        Collider2D[] colliders = Physics2D.OverlapCircleAll(_respawnPosition.position, 2);
        foreach (var hit in colliders)
        {
            if (hit.GetComponent<Enemy>() != null)
            {
                hit.GetComponent<Enemy>()?.FreezeTimerFor(duration);//?是为了保证有这个组件
            }


        }
    }
}

Inventory.cs

using Newtonsoft.Json.Linq;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Inventory : MonoBehaviour
{
    public static Inventory instance;

    public List<ItemData> startingItem;

    public List<InventoryItem> equipment;//inventoryItems类型的列表
    public Dictionary<ItemData_Equipment, InventoryItem> equipmentDictionary;//以ItemData为Key寻找InventoryItem的字典

    public List<InventoryItem> inventory;//inventoryItems类型的列表
    public Dictionary<ItemData, InventoryItem> inventoryDictionary;//以ItemData为Key寻找InventoryItem的字典

    public List<InventoryItem> stash;
    public Dictionary<ItemData, InventoryItem> stashDictionary;

    [Header("Inventory UI")]

    [SerializeField] private Transform inventorySlotParent;
    [SerializeField] private Transform stashSlotParent;
    [SerializeField] private Transform equipmentSlotParent;


    private UI_itemSlot[] inventoryItemSlot;//UI Slot的数组
    private UI_itemSlot[] stashItemSlot;
    private UI_equipementSlots[] equipmentSlot;

    [Header("Items cooldown")]
    private float lastTimeUsedFlask;
    private float lastTimeUsedArmor;
    private float flaskCooldown;
    private float armorCooldown;

    private void Awake()
    {
        if (instance == null)
            instance = this;
        else
            Destroy(gameObject);
        //防止多次创建Inventory
    }

    public void Start()
    {
        inventory = new List<InventoryItem>();
        inventoryDictionary = new Dictionary<ItemData, I