Autofac DI in Stride

GameApp.cs

using System.Linq;
using System.Reflection;
using Autofac;
using Autofac.Core;
using Stride.Engine;

namespace GameApp 
{
  internal static void Main(string[] args)
  {
      using (var game = new Game())
      {
          var builder = new ContainerBuilder();
          
          // Can do anything supported by autofac at this point. This is an example type registration.
          // In general, only consider Singleton scopes.
          builder.RegisterType<FundsTransferService>().As<IFundsTransferService>();

          var container = builder.Build();
          
          foreach (var serviceType in container.ComponentRegistry.Registrations
              .SelectMany(x => x.Services)
              .OfType<IServiceWithType>()
              .Select(x => x.ServiceType))
          {
              var service = container.Resolve(serviceType);

              // Yucky reflection...
              MethodInfo method = game.Services.GetType().GetMethod(nameof(game.Services.AddService));
              MethodInfo generic = method.MakeGenericMethod(serviceType);
              
              // Add the service to the game services container directly.
              // This preserves the references established during DI.
              generic.Invoke(game.Services, new object[] { service });
          }

          game.Run();
      }
  }
}