revival/game/Assets/Scripts/Artefacts/ArtefactControl.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Ktyl.Util;
using UnityEngine.Events;

public class ArtefactControl : MonoBehaviour
{
    
    
    private bool _show;
    protected bool _canInteract;

    public Artefact data => _data;
    [SerializeField] private Artefact _data;
    public int artefactID => _artefactID;
    private int _artefactID;
    [SerializeField] private SerialInt _nearbyArtefactID;

    [SerializeField] private ArtefactSystem _artefacts;
    
    protected virtual void Start()
    {
        _artefactID = data.artefactID;
        _show = data.show;
        _canInteract = data.canInteract;

        EventHandler.current.onArtefactTriggerEnter += NearArtefact;
        EventHandler.current.onArtefactTriggerExit += AwayArtefact;
        EventHandler.current.onArtefactPickUp += PickUp;
    }

    private void NearArtefact(int id)
    {
        if (id == this._artefactID)
        {
            _show = true;
            this._canInteract = true;
        }

    }

    private void AwayArtefact(int id)
    {
        if (id == this._artefactID)
        {
            _show = false;
            _canInteract = false;
        }

    }

    protected virtual void PickUp(int id)
    {

        if (id == this._artefactID)
        {
            if (_canInteract == true)
            {
                // artefact system informs other systems about found artefact
                _artefacts.FindArtefact(data);
            }
            
            if (this.gameObject != null)
            {
                data.Pickup();
                
                _nearbyArtefactID.Value = -1;
                _canInteract = false;
                EventHandler.current.ArtefactUI();
                Destroy(this.gameObject);
            }

        }
    }


    void OnGUI()
    {
        if (_show)
        {
            GUI.Label(new Rect(Screen.width / 2 - 50, 5, 100, 100), "Press E to pickup");
        }
    }
}