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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
【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili
ItemData_Equipment.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;public enum EquipmentType
{Weapon,Armor,Amulet,Flask}[CreateAssetMenu(fileName = "New Item Data", menuName = "Data/Equipment")]
public class ItemData_equipment : ItemData
{public EquipmentType equipmentType;[Header("Major stats")]public int strength; // 力量 增伤1点 爆伤增加 1% 物抗public int agility;// 敏捷 闪避 1% 闪避几率增加 1%public int intelligence;// 1 点 魔法伤害 1点魔抗 public int vitality;//加血的[Header("Offensive stats")]public int damage;public int critChance; // 暴击率public int critPower; //150% 爆伤[Header("Defensive stats")]public int maxHealth;public int armor;public int evasion;//闪避值public int magicResistance;[Header("Magic stats")]public int fireDamage;public int iceDamage;public int lightingDamage;public void AddModifiers(){PlayerStat playerStats = PlayerManager.instance.player.GetComponent<PlayerStat>();playerStats.strength.AddModifier(strength);playerStats.agility.AddModifier(agility);playerStats.intelligence.AddModifier(intelligence);playerStats.vitality.AddModifier(vitality);playerStats.damage.AddModifier(damage);playerStats.critChance.AddModifier(critChance);playerStats.critPower.AddModifier(critPower);playerStats.maxHealth.AddModifier(maxHealth);playerStats.armor.AddModifier(armor);playerStats.evasion.AddModifier(evasion);playerStats.magicResistance.AddModifier(magicResistance);playerStats.fireDamage.AddModifier(fireDamage);playerStats.iceDamage.AddModifier(iceDamage);playerStats.lightingDamage.AddModifier(lightingDamage);}public void RemoveModifiers(){PlayerStat playerStats = PlayerManager.instance.player.GetComponent<PlayerStat>();playerStats.strength.RemoveModifier(strength);playerStats.agility.RemoveModifier(agility);playerStats.intelligence.RemoveModifier(intelligence);playerStats.vitality.RemoveModifier(vitality);playerStats.damage.RemoveModifier(damage);playerStats.critChance.RemoveModifier(critChance);playerStats.critPower.RemoveModifier(critPower);playerStats.maxHealth.RemoveModifier(maxHealth);playerStats.armor.RemoveModifier(armor);playerStats.evasion.RemoveModifier(evasion);playerStats.magicResistance.RemoveModifier(magicResistance);playerStats.fireDamage.RemoveModifier(fireDamage);playerStats.iceDamage.RemoveModifier(iceDamage);playerStats.lightingDamage.RemoveModifier(lightingDamage);}
}
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<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;elseDestroy(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UISlotstashItemSlot = 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){Unequipment(oldEquipment);AddItem(oldEquipment);}equipment.Add(newItem);equipmentDictionary.Add(newEquipment, newItem);newEquipment.AddModifiers();RemoveItem(_item);}private 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bugfor (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);}elsevalue.RemoveStack();}if (stashDictionary.TryGetValue(_item, out InventoryItem stashValue)){if (stashValue.stackSize <= 1){stash.Remove(value);stashDictionary.Remove(_item);}elsestashValue.RemoveStack();}UpdateSlotUI();}
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