ModifierCacheCheatSheet.cs

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using System.Linq;
using CheatSheet;
using Loot.Api.Core;

namespace Loot.Caching
{
    public sealed partial class ModifierCachePlayer
    {
        // This needs to be separate because of CheatSheetInterface static reference
        // to not freak out JIT
        private void UpdateCheatSheetCache()
        {
            // get cheat sheet slots
            var curEquips = CheatSheetInterface.GetEnabledExtraAccessories(player).Take(_oldCheatSheetEquips.Length).ToArray();

            // go over enabled slots
            for (int i = 0; i < curEquips.Length; i++)
            {
                var oldEquip = _oldCheatSheetEquips[i];
                var newEquip = curEquips[i];

                // update delegations
                if (oldEquip != null && newEquip == oldEquip)
                {
                    continue;
                }

                Ready = false;

                // detach old first
                if (oldEquip != null && !oldEquip.IsAir)
                {
                    foreach (Modifier m in LootModItem.GetActivePool(oldEquip))
                    {
                        AddDetachItem(oldEquip, m);
                    }
                }

                // attach new
                if (newEquip != null && !newEquip.IsAir)
                {
                    foreach (Modifier m in LootModItem.GetActivePool(newEquip))
                    {
                        AddAttachItem(newEquip, m);
                    }
                }

                _oldCheatSheetEquips[i] = newEquip;
            }

            // current enabled is smaller than total
            if (curEquips.Length >= _oldCheatSheetEquips.Count(x => x != null))
            {
                return;
            }

            var outOfDateEquips = _oldCheatSheetEquips.Skip(curEquips.Length);
            // for all disabled slots but still had a registered item, detach it
            foreach (var item in outOfDateEquips.Where(x => x != null && !x.IsAir))
            {
                Ready = false;
                foreach (Modifier m in LootModItem.GetActivePool(item))
                {
                    AddDetachItem(item, m);
                }
            }
        }
    }
}