// Update is called once per frame
    void Update()
    {
        if (slot_1 != PlayerItemManager.Items.None && slot_2 != PlayerItemManager.Items.None && crafting_item == false)
        {
            StartCoroutine(CraftingItem());
            crafting_item = true;
        }

        if (slot_1 == PlayerItemManager.Items.None)
        {
            if (adding_slot_1)
            {
                timer_1 += Time.deltaTime;
                crafting_slot_1_image.fillAmount = timer_1;

                if (timer_1 >= material_insert_duration)
                {
                    slot_1 = player_item_manager_1.GetItem();
                    player_item_manager_1.RemoveItem();

                    if (gameObject.layer == 0)
                    {
                        gameObject.layer = player_item_manager_1.gameObject.layer;
                    }

                    switch (slot_1)
                    {
                    case PlayerItemManager.Items.Tier1_Fuchsia:
                    {
                        crafting_slot_1_image.color = fuchsia;
                        break;
                    }

                    case PlayerItemManager.Items.Tier1_Lime:
                    {
                        crafting_slot_1_image.color = lime;
                        break;
                    }

                    case PlayerItemManager.Items.Tier1_Orange:
                    {
                        crafting_slot_1_image.color = orange;
                        break;
                    }

                    case PlayerItemManager.Items.Tier1_Turquoise:
                    {
                        crafting_slot_1_image.color = turquoise;
                        break;
                    }
                    }
                }
            }
            else
            {
                crafting_slot_1_image.fillAmount = 0;
                timer_1 = 0;
            }
        }

        if (slot_2 == PlayerItemManager.Items.None)
        {
            if (adding_slot_2)
            {
                if (player_item_manager_2.GetItem() != slot_1 || slot_1 == PlayerItemManager.Items.None)
                {
                    timer_2 += Time.deltaTime;
                    crafting_slot_2_image.fillAmount = timer_2;

                    if (timer_2 >= material_insert_duration)
                    {
                        slot_2 = player_item_manager_2.GetItem();
                        player_item_manager_2.RemoveItem();

                        if (gameObject.layer == 0)
                        {
                            gameObject.layer = player_item_manager_2.gameObject.layer;
                        }

                        switch (slot_2)
                        {
                        case PlayerItemManager.Items.Tier1_Fuchsia:
                        {
                            crafting_slot_2_image.color = fuchsia;
                            break;
                        }

                        case PlayerItemManager.Items.Tier1_Lime:
                        {
                            crafting_slot_2_image.color = lime;
                            break;
                        }

                        case PlayerItemManager.Items.Tier1_Orange:
                        {
                            crafting_slot_2_image.color = orange;
                            break;
                        }

                        case PlayerItemManager.Items.Tier1_Turquoise:
                        {
                            crafting_slot_2_image.color = turquoise;
                            break;
                        }
                        }
                    }
                }
            }
            else
            {
                crafting_slot_2_image.fillAmount = 0;
                timer_2 = 0;
            }
        }
    }