[Bug Fix] Fixing the Item Overwrite Bug in Pickup() Method

[Jonathan Teo]

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This will be officially solved in the next part (Part 32), but you can fix it here and now. So there’s a bug when you are holding an item in your hand, and when you pick up an object, whatever you are currently holding gets overwritten. To fix this, we will first move whatever the player is holding to the Inventory. Add the following if statement to the Pickup function of InteractableObject :

public virtual void Pickup()
{
    //Call the OnInteract Callback
    onInteract?.Invoke();

    //Check if player is holding anything
    if (InventoryManager.Instance.SlotEquipped(InventorySlot.InventoryType.Item))
    {
        //Bring it over to the inventory
        InventoryManager.Instance.HandToInventory(InventorySlot.InventoryType.Item);
    }

    //Set the player's inventory to the item
    InventoryManager.Instance.EquipHandSlot(item);

    //Update the changes in the scene
    InventoryManager.Instance.RenderHand();

    //Disable the prompt
    OnMoveAway();
    //Destroy this instance so as to not have multiple copies
    GameStateManager.Instance.PersistentDestroy(gameObject); 
}

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