3DTD/Assets/Scripts/Tower/Tower.cs

using System;
using UnityEngine;
using UnityEngine.Assertions;

public abstract class Tower : MonoBehaviour
{
    public Observer<bool> TowerSelected { get; set; } = new(false);

    protected HealthComponent healthComp;

    // Getters

    protected virtual void Awake()
    {
        healthComp = GetComponent<HealthComponent>();
        Assert.IsNotNull(healthComp);

        TowerSelected.AddListener(DeselectTowers);
    }

    public static void DeselectTowers(bool selected)
    {
        if (selected)
        {
            foreach (var tower in GameObject.FindObjectsByType<Tower>(FindObjectsSortMode.None))
            {
                tower.TowerSelected.Value = false;
            }
        }
    }

    protected virtual void OnDestroy()
    {
    }

    protected virtual void Update()
    {
    }

    protected virtual void FixedUpdate()
    {
    }
}