[C#] Json을 사용한 인벤토리 만들기 연습

    class App
    {
        Dictionary<int, ItemData> dicItemData = new Dictionary<int, ItemData>();
        Inventory inventory = new Inventory();

        string dataPath = "./item_data.json";
        string invenPath = "./inven_info.json";

        public App()
        {
            string dataJson = File.ReadAllText(dataPath);
            dicItemData = JsonConvert.DeserializeObject<ItemData[]>(dataJson).ToDictionary(x => x.id);

            if (!File.Exists(invenPath))
            {
                Console.WriteLine("신규유저 특전 {0}, {1}. {2} 지급", dicItemData[100].name, dicItemData[101].name, dicItemData[102].name);

                inventory.AddItem(new Item(dicItemData[100]), SaveInventory);
                inventory.AddItem(new Item(dicItemData[101]), SaveInventory);
                inventory.AddItem(new Item(dicItemData[102]), SaveInventory);
            }

            else
            {
                Console.WriteLine("재접속을 환영합니다");
                LoadInventory();

                Item item = inventory.GetItem(102, SaveInventory);

                Console.WriteLine("id:{0}, name:{1}, damage:{2}", item.info.id, item.info.name, item.info.damage);
            }
        }

        void LoadInventory()
        {
            string invenJson = File.ReadAllText(invenPath);
            Item[] loadItem = JsonConvert.DeserializeObject<Item[]>(invenJson);

            foreach (Item saveInfo in loadItem)
            {
                inventory.AddItem(saveInfo);
            }
        }

        void SaveInventory(List<Item> itemList)
        {
            File.WriteAllText(invenPath, JsonConvert.SerializeObject(itemList));
        }
    }

    class Item
    {
        public ItemData info;        
        public int reinforcement;

        public Item(ItemData data)
        {
            this.info = data;
        }
    }
    
    class ItemData
    {
        public int id;
        public string name;
        public float damage;
    }

    class Inventory
    {
        private List<Item> itemList = new List<Item>();
        public delegate void Del(List<Item> itemList);

        public Inventory()
        {
        }

        public void AddItem(Item item)
        {
            itemList.Add(item);
            Console.WriteLine("{0}을 가방으로 불러왔습니다.", item.info.name);
        }

        public void AddItem(Item item, Del callback)
        {
            itemList.Add(item);
            Console.WriteLine("가방에 {0}이 추가되었습니다.", item.info.name);
            callback(itemList);
        }

        public Item GetItem(int id, Del callback)
        {
            Item foundItem = itemList
                .Where(x => x.info.id == id)
                .First();

            Console.WriteLine("가방에서 {0}을 꺼냈습니다.", foundItem.info.name);
            itemList.Remove(foundItem);
            callback(itemList);
            return new Item(foundItem.info);
        }
    }

첫번째 실행

[
  {
    "info": {
      "id": 100,
      "name": "단검",
      "damage": 1.5
    },
    "reinforcement": 0
  },
  {
    "info": {
      "id": 101,
      "name": "장검",
      "damage": 4.0
    },
    "reinforcement": 0
  },
  {
    "info": {
      "id": 102,
      "name": "창",
      "damage": 3.0
    },
    "reinforcement": 0
  }
]

---

두번째 실행

[
  {
    "info": {
      "id": 100,
      "name": "단검",
      "damage": 1.5
    },
    "reinforcement": 0
  },
  {
    "info": {
      "id": 101,
      "name": "장검",
      "damage": 4.0
    },
    "reinforcement": 0
  }
]