evershade/Assets/Data/ScriptableObjects/UI/Slot.cs

using System.Collections.Generic;
using UnityEngine;

// BaseSlot.cs
public class Slot : ScriptableObject
{
    public enum SlotType
    {
        Inventory,
        Toolbar,
        Equipment,
        Crafting,
        Box,
        Shop,
        Quest
    }

    public GameItem item;
    public int quantity;
    public int slotId = -1;
    public bool isLocked;
    public SlotType slotType;
    public List<GameItem.ItemType> allowedItemTypes = new();
    public List<EquipmentItem.Slot> allowedEquipmentSlots = new();

    public bool isSelected;

    public Slot()
    {
        item = null;
        quantity = 0;
        isLocked = false;
    }

    public virtual void Initialize(GameItem gameItem, int qty)
    {
        item = gameItem;
        quantity = qty;
    }

    public virtual void AssignGameItem(GameItem gameItem, int qty = 1)
    {
        item = gameItem;
        quantity = qty;
    }

    public virtual void AddQuantity(int amount)
    {
        quantity += amount;
    }

    public virtual void RemoveQuantity(int amount)
    {
        quantity -= amount;
    }

    public virtual void SetQuantity(int amount)
    {
        quantity = amount;
    }

    public virtual bool IsEmpty()
    {
        return item == null;
    }

    public virtual Sprite GetIcon()
    {
        return item != null ? item.icon : null;
    }

    public virtual string GetItemName()
    {
        return item != null ? item.itemName : string.Empty;
    }

    public virtual float GetItemValue()
    {
        return item != null ? item.itemValue : 0f;
    }

    public bool IsSlotType<T>() where T : Slot
    {
        return this is T;
    }

    public void SetSlotType(SlotType type)
    {
        slotType = type;
    }

    public void SetSlotId(int id)
    {
        slotId = id;
    }

    public void SetLocked(bool locked)
    {
        isLocked = locked;
    }

    public void SetAllowedItemTypes(List<GameItem.ItemType> types)
    {
        allowedItemTypes = types;
    }

    public void AddAllowedItemType(GameItem.ItemType type)
    {
        allowedItemTypes.Add(type);
    }

    public void RemoveAllowedItemType(GameItem.ItemType type)
    {
        allowedItemTypes.Remove(type);
    }

    public bool IsAllowedItemType(GameItem.ItemType type)
    {
        return allowedItemTypes.Contains(type);
    }


    public void ClearAllowedItemTypes()
    {
        allowedItemTypes.Clear();
    }

    public List<GameItem.ItemType> GetAllowedItemTypes()
    {
        return allowedItemTypes;
    }

    public void ClearSlot()
    {
        item = null;
        quantity = 0;
    }

    public bool IsAllowedItemTypes(GameItem.ItemType type)
    {
        var isAllowed = false;
        Debug.Log("Checking allowed item types");
        Debug.Log("Allowed item types: " + allowedItemTypes + " / " + type);
        // pretty print list
        foreach (var allowedItemType in allowedItemTypes)
        {
            Debug.Log("-- allowed" + allowedItemType);
            if (allowedItemType == type)
            {
                Debug.Log("Item type is allowed in slot: " + type);
                isAllowed = true;
                break;
            }
        }

        return isAllowed;
    }

    public void SetAllowedEquipmentSlots(List<EquipmentItem.Slot> slots)
    {
        allowedEquipmentSlots = slots;
    }

    public void AddAllowedEquipmentSlot(EquipmentItem.Slot slot)
    {
        allowedEquipmentSlots.Add(slot);
    }

    public void RemoveAllowedEquipmentSlot(EquipmentItem.Slot slot)
    {
        allowedEquipmentSlots.Remove(slot);
    }

    public bool IsAllowedEquipmentSlot(EquipmentItem.Slot slot)
    {
        // if list is null, then all slots are allowed
        if (allowedEquipmentSlots.Count == 0) return true;

        var isAllowed = false;
        Debug.Log("Checking allowed item types");
        Debug.Log("Allowed item types: " + allowedEquipmentSlots + " / " + slot);
        // pretty print list
        foreach (var allowedEquipmentSlot in allowedEquipmentSlots)
        {
            Debug.Log("-- allowed" + allowedEquipmentSlots);
            if (allowedEquipmentSlot == slot)
            {
                Debug.Log("Item type is allowed in slot: " + slot);
                isAllowed = true;
                break;
            }
        }

        return isAllowed;
    }
}