데이터 저장 연습과제

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using Newtonsoft.Json;

namespace Homework
{
    public class App
    {
        public Dictionary<int, ItemData> DicItem;
        //생성자
        public App()
        {
            string item_json = File.ReadAllText("./item_data.json");
            ItemData[] arrItemDatas = JsonConvert.DeserializeObject<ItemData[]>(item_json);
            Dictionary<int, ItemData> dicItem = arrItemDatas.ToDictionary(x => x.id);
            this.DicItem = dicItem;

            Console.WriteLine("닉네임을 입력하세요");
            string userId = Console.ReadLine();
            string saveHeroPath = string.Format("./{0}_info.json", userId);

            bool exists = File.Exists(saveHeroPath);
            if (exists)
            {
                Console.WriteLine("{0}님 반갑습니다. 돌아오셨군요.", userId);
                Character hero = JsonConvert.DeserializeObject<Character>(saveHeroPath);
                foreach (ItemInfo ownItems in hero.Inventory)
                {
                    Item ownItem = CreateItem(ownItems);
                    Console.WriteLine("현재 {0}을 소유하고 있습니다", ownItem.name);
                }
                Console.WriteLine("복귀선물로 \"천 갑옷\"을 선물합니다");
                Item present = new Item(DicItem[103]);
                hero.GetItem(present);

                    string serializedjson = JsonConvert.SerializeObject(hero);
                File.WriteAllText(saveHeroPath, serializedjson);
            }
            else
            {
                Console.WriteLine("새로운 용사 {0}님 반갑습니다.", userId);
                Character hero = new Character(userId);

                Item startItem = new Item(dicItem[100]);
                hero.GetItem(startItem);
                Console.WriteLine("시작아이템 {0}을 받았습니다.", startItem.name);

                string serializedjson = JsonConvert.SerializeObject(hero);
                File.WriteAllText(saveHeroPath, serializedjson);
            }
        }
        private Item CreateItem(ItemInfo itemInfo)
        {
            Item item = new Item(itemInfo);
            item = (Item)DicItem[itemInfo.id];
            item.enforce = itemInfo.enforce;
            return item;
        }
    }
}

---

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Homework
{
    public class ItemData
    {
        public int id;
        public string name;
        public int attack;
        public int defense;
        public int item_part;

    }
}

---

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Homework
{
    public class Character
    {

        public string Name { get; }
        public List<ItemInfo> Inventory;
        public ItemInfo[] EquipmetPart;
        public int AttackStat = 0;
        public int DefenseStat = 0;
        //생성자
        public Character(string name)
        {
            Name = name;
            EquipmetPart = new ItemInfo[2];
            this.Inventory = new List<ItemInfo>();
        }

        public void GetItem(Item item)
        {
            ItemInfo getItem = new ItemInfo(item);
            this.Inventory.Add(getItem);
        }
    }
}

---

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Homework
{
    public class ItemInfo
    {
        public int id;
        public int enforce = 0;
        public ItemInfo(Item item)
        {
            this.id = item.id;
            this.enforce = item.enforce;
        }
    }
}

---

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Homework
{

    public class Item : ItemData
    {

        public int enforce = 0;
        public Item(ItemInfo info)
        {
            this.id = info.id;
            this.enforce = info.enforce;
        }
        public Item(ItemData item)
        {
            this.id = item.id;
            this.name = item.name;
            this.attack = item.attack;
            this.defense = item.defense;
            this.item_part = item.item_part;
        }
    }
}

---