server-master/srcs/WingsAPI.Packets.Handling/GenericGamePacketHandlerBase.cs

using System.Threading.Tasks;
using WingsEmu.Game._packetHandling;
using WingsEmu.Game.Networking;
using WingsEmu.Packets;

namespace WingsAPI.Packets.Handling
{
    public abstract class GenericGamePacketHandlerBase<T> : IGamePacketHandler where T : IPacket
    {
        public async Task HandleAsync(IClientSession session, IPacket packet)
        {
            if (packet is T typedPacket && session.IsAuthenticated)
            {
                await HandlePacketAsync(session, typedPacket);
            }
        }

        public void Handle(IClientSession session, IPacket packet)
        {
            HandleAsync(session, packet).ConfigureAwait(false).GetAwaiter().GetResult();
        }

        protected abstract Task HandlePacketAsync(IClientSession session, T packet);
    }
}