ModifierEffectContent.cs

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using System;
using System.Linq;
using System.Reflection;
using Loot.Api.Attributes;
using Loot.Api.Content;
using Loot.Api.Core;

namespace Loot.Content
{
    public sealed class ModifierEffectContent : LoadableContentBase<ModifierEffect>
    {
        internal override void Load()
        {
            AddContent(NullModifierEffect.INSTANCE, Loot.Instance);
        }

        internal override bool CheckContentPiece(ModifierEffect contentPiece)
        {
            //verbose GetCustomAttributes call
            //because we call the constructor, it will throw our
            //validation exceptions on load instead on entering world
            var attributes = contentPiece
                .GetType()
                .GetMethods(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance)
                .Select(x => x.GetCustomAttributes(false).OfType<DelegationPrioritizationAttribute>());

            foreach (var attribute in attributes.SelectMany(x => x))
            {
                Activator.CreateInstance(attribute.GetType(), attribute.DelegationPrioritization, attribute.DelegationLevel);
            }

            // If we reached this point, all was fine.
            return true;
        }
    }
}