using Engine.Core;

namespace Engine.Systems.Network;

/// <summary>
/// Basic server behaviour that finds the <see cref="INetworkCommunicatorServer"/> in the universe in it's first active frame.
/// <br/> 
/// Disclaimer: It implements <see cref="IFirstFrameUpdate"/> and <see cref="ILastFrameUpdate"/> in virtual methods.
/// </summary>
public class ServerBehaviour : Behaviour, IFirstFrameUpdate, ILastFrameUpdate
{
    public INetworkCommunicatorServer Server { get; private set; } = null!;

    public virtual void FirstActiveFrame() => Server = Universe.FindRequiredBehaviour<INetworkCommunicatorServer>();
    public virtual void LastActiveFrame() => Server = null!;
}