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
【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili
UI_equipementSlots.cs
cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
public class UI_equipementSlots : UI_itemSlot
{
public EquipmentType slotType;//这怎么拿到的
private void OnValidate()
{
gameObject.name = "Equipment slot -" + slotType.ToString();
}
public override void OnPointerDown(PointerEventData eventData)
{
//点击装备槽后卸下装备
Inventory.instance.AddItem(item.data as ItemData_equipment);
Inventory.instance.Unequipment(item.data as ItemData_equipment);
CleanUpSlot();
}
}Inventory.cs
cs
using Newtonsoft.Json.Linq;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Inventory : MonoBehaviour
{
public static Inventory instance;
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;
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, InventoryItem>();
stash = new List<InventoryItem>();
stashDictionary = new Dictionary<ItemData, InventoryItem>();
equipment = new List<InventoryItem>();
equipmentDictionary = new Dictionary<ItemData_equipment, InventoryItem>();
inventoryItemSlot = inventorySlotParent.GetComponentsInChildren<UI_itemSlot>();//拿到的方式有点绕，显示拿到Canvas 里的 Inventory 然后通过GetComponentsInChildren拿到其下的使用UISlot
stashItemSlot = stashSlotParent.GetComponentsInChildren<UI_itemSlot>();
equipmentSlot = equipmentSlotParent.GetComponentsInChildren<UI_equipementSlots>();
}
public void EquipItem(ItemData _item)
{
//解决在itemdata里拿不到子类equipment里的enum的问题
ItemData_equipment newEquipment = _item as ItemData_equipment;//https://www.bilibili.com/read/cv15551811/
//将父类转换为子类
InventoryItem newItem = new InventoryItem(newEquipment);
ItemData_equipment oldEquipment = null;
foreach (KeyValuePair<ItemData_equipment, InventoryItem> item in equipmentDictionary)//这种方法可以同时拿到key和value保存到item里面
{
if (item.Key.equipmentType == newEquipment.equipmentType)//将拿到的key与转换成itemdata_equipment类型的_item的type对比拿到存在的key
{
oldEquipment = item.Key;//此key需保存在外部的data类型里
//equipment.Remove(item.Value);
//equipmentDictionary.Remove(item.Key);
}
}//好像用foreach里的value和key无法对外部的list和字典进行操作
if (oldEquipment != null)
{
AddItem(oldEquipment);
Unequipment(oldEquipment);
}
equipment.Add(newItem);
equipmentDictionary.Add(newEquipment, newItem);
RemoveItem(_item);
newEquipment.AddModifiers();
}
public void Unequipment(ItemData_equipment itemToRemove)//装备其他同类型的装备时。去除已装备的装备
{
if (equipmentDictionary.TryGetValue(itemToRemove, out InventoryItem value))
{
equipment.Remove(value);
equipmentDictionary.Remove(itemToRemove);
itemToRemove.RemoveModifiers();
}
}
private void UpdateSlotUI()
{
for (int i = 0; i < equipmentSlot.Length; i++)
{
//此步骤用于将对应类型的武器插入对应的槽内
foreach (KeyValuePair<ItemData_equipment, InventoryItem> item in equipmentDictionary)//这种方法可以同时拿到key和value保存到item里面
{
if (item.Key.equipmentType == equipmentSlot[i].slotType)
{
equipmentSlot[i].UpdateSlots(item.Value);
}
}
}
//解决出现UI没有跟着Inventory变化的bug
for (int i = 0; i < inventoryItemSlot.Length;i++)
{
inventoryItemSlot[i].CleanUpSlot();
}
for (int i = 0; i < stashItemSlot.Length; i++)
{
stashItemSlot[i].CleanUpSlot();
}
for (int i = 0; i < inventory.Count; i++)
{
inventoryItemSlot[i].UpdateSlots(inventory[i]);
}
for (int i = 0; i < stash.Count; i++)
{
stashItemSlot[i].UpdateSlots(stash[i]);
}
}
public void AddItem(ItemData _item)
{
if (_item.itemType == ItemType.Equipment)
{
AddToInventory(_item);
}
else if (_item.itemType == ItemType.Material)
{
AddToStash(_item);
}
UpdateSlotUI();
}//添加物体的函数
private void AddToStash(ItemData _item)//向stash加物体的函数
{
if (stashDictionary.TryGetValue(_item, out InventoryItem value))//只有这种方法才能在查找到是否存在key对应value是否存在的同时，能够同时拿到value，其他方法的拿不到value
{
value.AddStack();
}//字典的使用，通过ItemData类型的数据找到InventoryItem里的与之对应的同样类型的数据
else//初始时由于没有相同类型的物体，故调用else是为了初始化库存，使其中含有一个基本的值
{
InventoryItem newItem = new InventoryItem(_item);
stash.Add(newItem);//填进列表里只有一次
stashDictionary.Add(_item, newItem);//同上
}
}
private void AddToInventory(ItemData _item)
{
if (inventoryDictionary.TryGetValue(_item, out InventoryItem value))//只有这种方法才能在查找到是否存在key对应value是否存在的同时，能够同时拿到value，其他方法的拿不到value
{
value.AddStack();
}//字典的使用，通过ItemData类型的数据找到InventoryItem里的与之对应的同样类型的数据
else//初始时由于没有相同类型的物体，故调用else是为了初始化库存，使其中含有一个基本的值
{
InventoryItem newItem = new InventoryItem(_item);
inventory.Add(newItem);//填进列表里只有一次
inventoryDictionary.Add(_item, newItem);//同上
}
}//将物体存入Inventory的函数
public void RemoveItem(ItemData _item)//将物体剔除Inventory的函数
{
if (inventoryDictionary.TryGetValue(_item, out InventoryItem value))
{
if (value.stackSize <= 1)
{
inventory.Remove(value);
inventoryDictionary.Remove(_item);
}
else
value.RemoveStack();
}
if (stashDictionary.TryGetValue(_item, out InventoryItem stashValue))
{
if (stashValue.stackSize <= 1)
{
stash.Remove(value);
stashDictionary.Remove(_item);
}
else
stashValue.RemoveStack();
}
UpdateSlotUI();
}
}