RuinAdventurer/Scripts/Crafting/Inventory.cs

using System.Collections.Generic;
using Godot;

public class Inventory
{
    public List<Item> inventory = new();

    public int maxInventorySize = 8;

    public bool AddItem(Item item, int amount)
    {
        Item inventoryItem = inventory.Find(x => x.data.Id == item.data.Id && x.currentAmount + amount <= x.data.StackSize);
        if (inventoryItem != null)
        {
            inventoryItem.currentAmount += amount;
            return true;
        }
        else
        {
            if (inventory.Count < maxInventorySize)
            {
                inventory.Add(item);
                inventory[inventory.Count - 1].currentAmount += amount;
                return true;
            }
        }
        return false;
    }

    public bool CanCraft(List<Ingredient> neededIngredients, int amount)
    {
        bool canCraft = true;
        Item item;
        foreach(Ingredient ingredient in neededIngredients)
        {
            item = inventory.Find(x => x.data.Id == ingredient.item && x.currentAmount >= ingredient.amount * amount);
            if (item == null)
            {
                canCraft = false;
                break;
            }
        }
        return canCraft;
    }
}