cirnogodot/Scripts/Interactables/Switch.cs

using System.Linq;
using Godot;
using Godot.Collections;

namespace Cirno.Scripts.Interactables;

public partial class Switch : Interactable
{
    [Export] public Node2D Target { get; set; }
    [Export] public Array<Node2D> Targets { get; private set; } = new Array<Node2D>();
    [Export] public ActivationType ActivationType { get; set; } = ActivationType.Toggle;

    private AudioStreamPlayer2D _activationSound;

    private readonly string _activationSoundName = "ActivationSound";

    public override void _Ready()
    {
        _activationSound = GetNodeOrNull<AudioStreamPlayer2D>(_activationSoundName);
    }

    public override bool Activate()
    {
        if (!MeetsRequirements()) return false;
        _activationSound?.Play();
        // Compatibility for old single system
        bool success = ActivateTarget(Target);

        return Targets.Aggregate(success, (current, target) => ActivateTarget(target) | success);
    }

    private bool ActivateTarget(Node2D target)
    {
        if (target is not IActivable activable) return false;
        activable?.Activate(ActivationType);
        return true;

    }
}