物品管理器

物品数据 Item.json（json部分)（Resources/Data/Item）

[{
"id": 1,
"name": "新手剑",
"des": "这是一把宝剑",
"price": 200,
"icon": "",
"attack": 10,
"hp": 0
},
{
"id": 2,
"name": "新手药剂",
"des":"这是新手药剂",
"price": 100,
"icon": "",
"attack" : 0,
"hp": 10
}]

数据类

public class Item
{
    public int id;
    public string name;
    public string des;
    public int price;
    public string icon;
    public int attack;
    public int hp;
}

物品管理类

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

public class ItemManager
{
    private static ItemManager instance;

    public static ItemManager Instance{
        get
        {
            if(instance == null) {
                instance = new ItemManager();
            }
            return instance;
        }
    }

    //所有的物品信息
    private Item[] items;
    
    public ItemManager(){
        TextAsset json = Resources.Load<TextAsset>("Data/Item");
        //解析json
        items = LitJson.JsonMapper.ToObject<Item[]>(json.text);
    }
    
    //通过物品id获取物品
    public Item GetItem(int id){
        foreach (Item item in items){
            if(item.id == id) {
                return item;
            }
        }
        return null;
    }
}

背包管理器

InventoryManager

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

    //背包格子
    public class InventoryItem{
        //物品id
        public int ItemId;
        //个数
        public int Count = 1;
    }

    public class InventoryManager
   {
    //单例模式
   private static InventoryManager instance;
   public static InventoryManager Instance{
    get{
        if(instance == null){
            instance = new InventoryManager();
            return instance;
        }
        return instance;
    }
   }

   //背包集合
   public List<InventoryItem> Inventory = new List<InventoryItem>();

   //添加物品
    public void AddItem(int itemId, int count = 1){
        //查看背包中是否已经存在该物品
        foreach (InventoryItem tmpItem in Inventory){
        if (tmpItem.ItemId == itemId){
            //存在，就数量自增
            tmpItem.Count += count;
            return;
        }
        }
        //背包中不存在该物品
        InventoryItem item = new InventoryItem();
        item.ItemId = itemId;
        item.Count = count;
        Inventory.Add(item);
    }

    //移除物品
    public void Removeltem(int itemId, int count = 1){
    //遍历背包
    for (int i = 0; i < Inventory.Count; i++){
        InventoryItem item = Inventory[i];
        //如果存在该物品
        if (item.ItemId == itemId && item.Count > 0){
            //删除
            item.Count -= count;
            if (item.Count <= 0){
            Inventory.Remove(item);
            }  
        }
     }
    }
    
    //获取物品
    public InventoryItem GetItem(int itemId){
        foreach (InventoryItem tmpItem in Inventory){
            if (tmpItem.ItemId == itemId){
                return tmpItem;
            }
        }
        return null;
    }
    //清空背包
    public void RemoveAllItem() {
        Inventory.Clear();
    }
}

角色管理器

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

//角色基本信息
public class Bai_Character{
    //姓名
    public string Name ="张三";
    //等级
    public int Level = 1;
    //经验
    public int CurrentExp = 0;
    public int Hp = 0;
    //最大血量
    public int MaxHp{
        get{
            return Level * 10;
            }   
    }
    //升到下一级需要的经验
    public int GetNextLevelExp(){
            return Level * 50;
    }
    //装备 -1代表无
    public int WeaponId = -1;
    public int ClothesId = -1;
    public int ShoesId = -1;
    //技能
    public List<int> SkillList = new List<int>();

}

public class CharacterManager 
{
    private static CharacterManager instance;
    public static CharacterManager Instance{
        get{
            if(instance == null){
                instance = new CharacterManager();
                return instance;
            }
            return instance;
        }
    }
    //玩家
    public Bai_Character character = new Bai_Character();
    //金钱
    public int Money = 0;
    //当前角色是否可控
    public bool canControl = true;

    //增加/减少金钱
    public void ChangeMoney(int money){
        Money += money;
        if (Money < 0) Money = 0;
    }
    //增加经验
    public void AddExp(int exp){
        character.CurrentExp += exp;
        //判断经验是否升级
        if (character.CurrentExp >= character.GetNextLevelExp()){
            //升级
            character.Level++;
            character.CurrentExp = 0;
        }
    }
    //改变血量
    public void ChangeHp(int hp){
        character.Hp += hp;
        //限制character.Hp的范围[0, character.MaxHp]
        character.Hp = Mathf.Clamp(character.Hp, 0, character.MaxHp);
    }

#region 任务技能
    //添加技能
    public bool AddSkill(int skillld){
        if(character.SkillList.Contains(skillld)){
            return false;
        }
        character.SkillList.Add(skillld);
        return true;
    }

    //是否拥有此技能
    public bool HasSkill(int skillld){
        return character.SkillList.Contains(skillld);
    }

    //移除技能
    public void RemoveSkill(int skillld){
        if (character.SkillList.Contains(skillld)){
            character.SkillList.Remove(skillld);
        }
    }
    //所有技能
    public int[] GetSkills(){
        return character.SkillList.ToArray();
    }

#endregion

#region 人物装备
    //装备武器
    public void AddWeapon(int id){
        //如果背包有这个武器，允许装备
        InventoryItem item = InventoryManager.Instance.GetItem(id);
        if (item!= null)
        {
            InventoryManager.Instance.Removeltem(id,1);
        }
        //如果当前有武器，武器卸载下来放入背包
        if (character.WeaponId > -1){
            InventoryManager.Instance.AddItem(character.WeaponId, 1);
        }
        character.WeaponId = id;
    }
    
    //获取当前武器
    public int GetWeapon(){
        return character.WeaponId;
    }

    //移除当前武器
    public void RemoveWeapon(){
        //如果当前有武器，武器卸载下来放入背包if (character.Weaponld > -1)
        InventoryManager.Instance.AddItem(character.WeaponId,1);
    }
#endregion
}