CapersProject/Assets/02.Scripts/Item/ItemDropTable.cs

using System;
using System.Collections.Generic;
using UnityEngine;
using Random = UnityEngine.Random;

namespace BlueWater.Items
{
    [Serializable]
    public class ItemDropTable
    {
        [field: SerializeField]
        public CharacterData CharacterData { get; set; }

        // ItemDropTableScriptableObject 클래스에서 생성되기 떄문에 new() 필수
        [field: SerializeField]
        public List<DropItem> DropItems { get; set; } = new();

        private List<ItemSlot> _itemSlots;

        public ItemDropTable(CharacterData characterData)
        {
            CharacterData = characterData;
        }
        
        public List<ItemSlot> GetDroppedItemList()
        {
            _itemSlots = new List<ItemSlot>();

            foreach (var element in DropItems)
            {
                CheckAndAddItem(element);
            }

            return _itemSlots;
        }

        private void CheckAndAddItem(DropItem dropItem)
        {
            var dropChance = Random.Range(0, 101);
            if (dropChance > dropItem.DropRate) return;
        
            var randomCount = Random.Range(dropItem.QuantityMin, dropItem.QuantityMax + 1);
            _itemSlots.Add(new ItemSlot(dropItem.ItemIdx, randomCount));
        }
    }
}