Equipping Item Not Working (3 scripts)

Unity Engine
,
1

When I walk over an item and pick it up, I go to my inventory and click on it to equip it. I don’t know why it won’t equip though. Does anyone know what I did wrong? It seems right to me.

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

public class Item : MonoBehaviour
{
    public int ID;
    public string type;
    public string description;
    public Sprite icon;
    public bool pickedUp;

    [HideInInspector]
    public bool equipped;

    [HideInInspector]
    public GameObject weapon;

    [HideInInspector]
    public GameObject weaponManager;

    public bool playersWeapon;

    public void Start()
    {
        weaponManager = GameObject.FindWithTag("WeaponManager");

        if(!playersWeapon)
        {
            int allWeapons = weaponManager.transform.childCount;
            for (int i = 0; i < allWeapons; i++)
            {
                if(weaponManager.transform.GetChild(i).gameObject.GetComponent<Item>().ID == ID)
                {
                    weapon = weaponManager.transform.GetChild(i).gameObject;
                    print(weapon.name);
                }
            }
        }
    }

    public void Update()
    {
        if(equipped)
        {
            //perform weapon acts here
            if (Input.GetKeyDown(KeyCode.Alpha1))
                equipped = false;

            if (equipped == false)
                this.gameObject.SetActive(false);
        }
    }

    public void ItemUsage()
    {
        //weapon
        if(type == "Weapon")
        {
            weapon.SetActive(true);
            equipped = true;
        }

        //health

        //water

        //food
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;

public class Slots : MonoBehaviour, IPointerClickHandler
{
    public GameObject item;
    public int ID;
    public string type;
    public string description;
    public bool empty;

    public Transform slotIconGO;
    public Sprite icon;

    public void OnPointerClick(PointerEventData pointerEventData)
    {
        UseItem();
    }

    private void Start()
    {
        slotIconGO = transform.GetChild(0);
    }

    public void UpdateSlot()
    {
        this.GetComponent<Image>().sprite = icon;
    }

    public void UseItem()
    {
        item.GetComponent<Item>().ItemUsage();
    }

}

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

public class Inventory : MonoBehaviour
{
    private bool inventoryEnabled;
    public GameObject inventory;

    private int allSlots;
    private int enabledSlots;
    private GameObject[] slot;

    public GameObject slotHolder;

    void Start()
    {
        allSlots = 30;
        slot = new GameObject[allSlots];

        for(int i = 0; i < allSlots; i++)
        {
            slot[i] = slotHolder.transform.GetChild(i).gameObject;

            if (slot[i].GetComponent<Slots>().item == null)
                slot[i].GetComponent<Slots>().empty = true;
        }
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Tab))
            inventoryEnabled = !inventoryEnabled;

        if (inventoryEnabled == true)
        {
            inventory.SetActive(true);
        }
        else
        {
            inventory.SetActive(false);
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        if(other.tag == "Item")
        {
            GameObject itemPickedUp = other.gameObject;
            Item item = itemPickedUp.GetComponent<Item>();

            AddItem(itemPickedUp, item.ID, item.type, item.description, item.icon);
        }
    }

    void AddItem(GameObject itemObject, int itemID, string itemType, string itemDescription, Sprite itemicon)
    {
        for(int i = 0; i < allSlots; i++)
        {
            if(slot[i].GetComponent<Slots>().empty)
            {
                //add item to slot
                itemObject.GetComponent<Item>().pickedUp = true;

                slot[i].GetComponent<Slots>().item = itemObject;
                slot[i].GetComponent<Slots>().icon = itemicon;
                slot[i].GetComponent<Slots>().type = itemType;
                slot[i].GetComponent<Slots>().ID = itemID;
                slot[i].GetComponent<Slots>().description = itemDescription;

                itemObject.transform.parent = slot[i].transform;
                itemObject.SetActive(false);

                slot[i].GetComponent<Slots>().UpdateSlot();
                slot[i].GetComponent<Slots>().empty = false;
            }
            return;
        }
    }
}
2

Can you be more specific about the problem? For example, what exactly does “equipping item” mean for your game (as far as what happens in the code, not the user experience), and what part of that process is not happening as expected?

3

So, the inventory script is the function to enable and disable the inventory. It also makes it when you click the image/icon it equips the item. The slots script gives the functionality of the slots. The item script gives the functionality of the items. When I open the inventory, click the image, and enable the item it doesn’t enable. The icon doesn’t disappear too.