cirnogodot/Scripts/Components/Actors/Actor.cs

using System.Collections.Generic;
using Cirno.Scripts;
using Godot;

public partial class Actor : CharacterBody2D 
{

    [Export]
    public float MovementSpeed { get; private set; }

    public Vector2 FacingDirection { get; set; }

    private GameManager _gameManager;

    private List<MovementHandler> _movementHandlers = new();

    public override void _Ready()
    {
        _gameManager = this.GetGameManager();

        var children = GetChildren();
        foreach (var child in children) {
            if (child is MovementHandler movementHandler) 
            {
                _movementHandlers.Add(movementHandler);
            }
        }
    }

    public override void _PhysicsProcess(double delta)
    {
        foreach (var handler in _movementHandlers) 
        {
            handler.Move(delta);
        }
    }

}