cirnogodot/Scenes/Barrel.cs

using Godot;
using System;
using System.Diagnostics;

public partial class Barrel : Area2D, IDestructible
{
	[Export] public float Health = 1f;

	[Export] public float ExplosionRadius = 1;

	[Export] public float ExplosionDamage = 1;

	[Export] public PackedScene DebrisScene { get; set; }

	private float _currentHealth;

	private bool _isDestroyed = false;

	// Called when the node enters the scene tree for the first time.
	public override void _Ready()
	{
		_currentHealth = Health;
	}

	// Called every frame. 'delta' is the elapsed time since the previous frame.
	public override void _Process(double delta)
	{
	}

	private void Explode()
	{
		Debug.WriteLine("Boom");
		CreateDebris();
		QueueFree();
	}

	private void CreateDebris()
	{
		if (DebrisScene == null) return;
		var debris = DebrisScene.Instantiate<Barrel>();
		Owner.AddChild(debris);
		debris.Transform = this.GlobalTransform;
		debris.Position = this.Position;
	}

	public void Hit(float damage)
	{
		if (_isDestroyed) return;
		
		_currentHealth -= damage;
		if (!(_currentHealth <= 0)) return;
		_isDestroyed = true;
		Explode();
	}

	public bool IsDestroyed()
	{
		return _isDestroyed;
	}
}