StellarXipher/Assets/Scripts/PipeTask/PipeFixZone.cs

using UnityEngine;

public class PipeFixZone : MonoBehaviour
{
    public string requiredItemName = "Pipe";
    public GameObject fixedPipeVisual;

    private bool isFixed = false;

    void Start()
    {
        if (fixedPipeVisual != null)
            fixedPipeVisual.SetActive(false);
    }

    void Update()
    {
        if (isFixed) return;

        Inventory inventory = FindObjectOfType<Inventory>();
        if (inventory == null) return;

        var heldItem = inventory.slots[inventory.currentSlot];

        if (heldItem != null && heldItem.itemName == requiredItemName && Input.GetMouseButtonDown(0))
        {
            Ray ray = new Ray(Camera.main.transform.position, Camera.main.transform.forward);
            int layerMask = ~LayerMask.GetMask("Player");

            if (Physics.Raycast(ray, out RaycastHit hit, 3f, layerMask))
            {
                if (hit.transform == transform)
                {
                    inventory.slots[inventory.currentSlot] = null;
                    inventory.EquipSlot(inventory.currentSlot);

                    if (fixedPipeVisual != null)
                        fixedPipeVisual.SetActive(true);

                    isFixed = true;
                    GetComponent<Collider>().enabled = false;
                }
            }
        }
    }
}