station_obscurum_unity/Assets/Scripts/Inventory/TempInventory.cs

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

namespace Item
{
    [Serializable]
    public class TempInventoryBuilderItem
    {
        public string name;
        public int quantity;
    }

    public class TempInventory : MonoBehaviour
    {
        [SerializeField] private List<TempInventoryBuilderItem> initialInvent = new();

        private readonly Dictionary<string, int> inventory = new();

        // Start is called before the first frame update
        private void Start()
        {
            foreach (var item in initialInvent) inventory[item.name] = item.quantity;
        }

        // Update is called once per frame
        private void Update()
        {
        }

        public int GetQuantityOf(string name)
        {
            if (inventory.ContainsKey(name)) return inventory[name];
            return 0;
        }

        public bool Add(string name, int quantity = 1)
        {
            if (inventory.ContainsKey(name))
                inventory[name] += quantity;
            else
                inventory.Add(name, quantity);
            return true;
        }

        public bool Remove(string name, int quantity = 1)
        {
            if (inventory.ContainsKey(name))
            {
                inventory[name] = Mathf.Max(inventory[name] - quantity, 0);
                return false;
            }

            return false;
        }
    }
}