Decompiled source of FortnitificationScanner v0.0.7

FortnitificationScanner.dll

Decompiled 2 weeks ago
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using BepInEx;
using BepInEx.Configuration;
using BepInEx.Logging;
using Dawn;
using Dawn.Utils;
using HarmonyLib;
using ItemRarities.Patches;
using Microsoft.CodeAnalysis;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")]
[assembly: AssemblyCompany("FortnitificationScanner")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("0.0.7.0")]
[assembly: AssemblyInformationalVersion("0.0.7")]
[assembly: AssemblyProduct("FortnitificationScanner")]
[assembly: AssemblyTitle("FortnitificationScanner")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("0.0.7.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace ItemRarities
{
	internal static class ConfigManager
	{
		internal static ConfigEntry<bool> DebugLogsEnabled { get; private set; }

		internal static ConfigEntry<bool> OverrideExistingDawnScanNodeColours { get; private set; }

		internal static ConfigEntry<string> CommonItems { get; private set; }

		internal static ConfigEntry<string> UncommonItems { get; private set; }

		internal static ConfigEntry<string> RareItems { get; private set; }

		internal static ConfigEntry<string> ExceptionalItems { get; private set; }

		internal static ConfigEntry<string> LegendaryItems { get; private set; }

		internal static ConfigEntry<float> CommonPercentage { get; private set; }

		internal static ConfigEntry<float> UncommonPercentage { get; private set; }

		internal static ConfigEntry<float> RarePercentage { get; private set; }

		internal static ConfigEntry<float> ExceptionalPercentage { get; private set; }

		internal static ConfigEntry<float> LegendaryPercentage { get; private set; }

		internal static ConfigEntry<string> CommonName { get; private set; }

		internal static ConfigEntry<string> UncommonName { get; private set; }

		internal static ConfigEntry<string> RareName { get; private set; }

		internal static ConfigEntry<string> ExceptionalName { get; private set; }

		internal static ConfigEntry<string> LegendaryName { get; private set; }

		internal static void Bind(ConfigFile config)
		{
			//IL_00fa: Unknown result type (might be due to invalid IL or missing references)
			//IL_0104: Expected O, but got Unknown
			//IL_0132: Unknown result type (might be due to invalid IL or missing references)
			//IL_013c: Expected O, but got Unknown
			//IL_016a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0174: Expected O, but got Unknown
			//IL_01a2: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ac: Expected O, but got Unknown
			//IL_01da: Unknown result type (might be due to invalid IL or missing references)
			//IL_01e4: Expected O, but got Unknown
			DebugLogsEnabled = config.Bind<bool>("Internal", "Enable Debug Logging", false, "If true, enables debug logging");
			OverrideExistingDawnScanNodeColours = config.Bind<bool>("General", "Override Existing Dawn Scan Node Colours", false, "If true, overrides items already using DawnLib scan node colours");
			CommonItems = config.Bind<string>("Item overrides", "Common items", string.Empty, "Namespaced keys for the Common rarity, e.g. 'lethal_company:big_bolt,lethal_company:apparatus'");
			UncommonItems = config.Bind<string>("Item overrides", "Uncommon items", string.Empty, "Namespaced keys for the Uncommon rarity, e.g. 'lethal_company:big_bolt,lethal_company:apparatus'");
			RareItems = config.Bind<string>("Item overrides", "Rare items", string.Empty, "Namespaced keys for the Rare rarity, e.g. 'lethal_company:big_bolt,lethal_company:apparatus'");
			ExceptionalItems = config.Bind<string>("Item overrides", "Exceptional items", "lethal_company:apparatus, lethal_company:hive, lethal_company:kitchen_knife", "Namespaced keys for the Exceptional rarity, e.g. 'lethal_company:big_bolt,lethal_company:apparatus'");
			LegendaryItems = config.Bind<string>("Item overrides", "Legendary items", string.Empty, "Namespaced keys for the Legendary rarity, e.g. 'lethal_company:big_bolt,lethal_company:apparatus'");
			CommonPercentage = config.Bind<float>("Rarity groups", "Common percentage", 39f, new ConfigDescription("Percentage of scrap to be Common. If all rarity percentages do not total 100, they will scale automatically", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 100f), Array.Empty<object>()));
			UncommonPercentage = config.Bind<float>("Rarity groups", "Uncommon percentage", 28f, new ConfigDescription("Percentage of scrap to be Uncommon. If all rarity percentages do not total 100, they will scale automatically", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 100f), Array.Empty<object>()));
			RarePercentage = config.Bind<float>("Rarity groups", "Rare percentage", 16f, new ConfigDescription("Percentage of scrap to be Rare. If all rarity percentages do not total 100, they will scale automatically", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 100f), Array.Empty<object>()));
			ExceptionalPercentage = config.Bind<float>("Rarity groups", "Exceptional percentage", 11f, new ConfigDescription("Percentage of scrap to be Exceptional. If all rarity percentages do not total 100, they will scale automatically", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 100f), Array.Empty<object>()));
			LegendaryPercentage = config.Bind<float>("Rarity groups", "Legendary percentage", 6f, new ConfigDescription("Percentage of scrap to be Legendary. If all rarity percentages do not total 100, they will scale automatically", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 100f), Array.Empty<object>()));
			CommonName = config.Bind<string>("Rarity groups", "Common name", "Common", "Rarity name shown on the scanner for Common scrap");
			UncommonName = config.Bind<string>("Rarity groups", "Uncommon name", "Uncommon", "Rarity name shown on the scanner for Uncommon scrap");
			RareName = config.Bind<string>("Rarity groups", "Rare name", "Rare", "Rarity name shown on the scanner for Rare scrap");
			ExceptionalName = config.Bind<string>("Rarity groups", "Exceptional name", "Exceptional", "Rarity name shown on the scanner for Exceptional scrap");
			LegendaryName = config.Bind<string>("Rarity groups", "Legendary name", "Legendary", "Rarity name shown on the scanner for Legendary scrap");
		}
	}
	internal static class Log
	{
		internal static void Debug(string message)
		{
			if (ConfigManager.DebugLogsEnabled.Value)
			{
				Write((LogLevel)32, message);
			}
		}

		internal static void Info(string message)
		{
			Write((LogLevel)16, message);
		}

		internal static void Warn(string message)
		{
			Write((LogLevel)4, message);
		}

		internal static void Error(string message)
		{
			Write((LogLevel)2, message);
		}

		internal static void Fatal(string message)
		{
			Write((LogLevel)1, message);
		}

		private static void Write(LogLevel logLevel, string message)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			Plugin.mls.Log(logLevel, (object)message);
		}
	}
	[BepInPlugin("MrHat.FortnitificationScanner", "FortnitificationScanner", "0.0.7")]
	[BepInDependency(/*Could not decode attribute arguments.*/)]
	[BepInDependency(/*Could not decode attribute arguments.*/)]
	public class Plugin : BaseUnityPlugin
	{
		public const string modGUID = "MrHat.FortnitificationScanner";

		public const string modName = "FortnitificationScanner";

		public const string modVersion = "0.0.7";

		private readonly Harmony _harmony = new Harmony("MrHat.FortnitificationScanner");

		internal static ManualLogSource mls;

		private void Awake()
		{
			mls = ((BaseUnityPlugin)this).Logger;
			ConfigManager.Bind(((BaseUnityPlugin)this).Config);
			RarityGroups.Enable();
			_harmony.PatchAll(typeof(GrabbableObjectPatches));
			_harmony.PatchAll(typeof(LungPropPatches));
			Log.Info("FortnitificationScanner loaded");
		}
	}
	internal static class RarityGroups
	{
		private static readonly Dictionary<Item, RarityGroup> AssignedItems = new Dictionary<Item, RarityGroup>();

		private static readonly List<RarityGroup> Groups = new List<RarityGroup>();

		private static readonly HashSet<Item> RarityScanItems = new HashSet<Item>();

		internal static void Enable()
		{
			//IL_0036: Unknown result type (might be due to invalid IL or missing references)
			//IL_003b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0054: Unknown result type (might be due to invalid IL or missing references)
			//IL_0059: Unknown result type (might be due to invalid IL or missing references)
			//IL_008f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0094: Unknown result type (might be due to invalid IL or missing references)
			//IL_00aa: Unknown result type (might be due to invalid IL or missing references)
			//IL_00af: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e5: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_0100: Unknown result type (might be due to invalid IL or missing references)
			//IL_0105: Unknown result type (might be due to invalid IL or missing references)
			//IL_013b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0140: Unknown result type (might be due to invalid IL or missing references)
			//IL_0159: Unknown result type (might be due to invalid IL or missing references)
			//IL_015e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0194: Unknown result type (might be due to invalid IL or missing references)
			//IL_0199: Unknown result type (might be due to invalid IL or missing references)
			//IL_01af: Unknown result type (might be due to invalid IL or missing references)
			//IL_01b4: Unknown result type (might be due to invalid IL or missing references)
			Groups.AddRange(new <>z__ReadOnlyArray<RarityGroup>(new RarityGroup[5]
			{
				new RarityGroup(ConfigManager.CommonName.Value, ConfigManager.CommonPercentage.Value, ConfigManager.CommonItems.Value, Color32.op_Implicit(new Color32((byte)74, (byte)74, (byte)74, byte.MaxValue)), Color32.op_Implicit(new Color32((byte)226, (byte)226, (byte)226, byte.MaxValue))),
				new RarityGroup(ConfigManager.UncommonName.Value, ConfigManager.UncommonPercentage.Value, ConfigManager.UncommonItems.Value, Color32.op_Implicit(new Color32((byte)28, (byte)90, (byte)49, byte.MaxValue)), Color32.op_Implicit(new Color32((byte)118, (byte)242, (byte)154, byte.MaxValue))),
				new RarityGroup(ConfigManager.RareName.Value, ConfigManager.RarePercentage.Value, ConfigManager.RareItems.Value, Color32.op_Implicit(new Color32((byte)36, (byte)74, (byte)122, byte.MaxValue)), Color32.op_Implicit(new Color32((byte)127, (byte)199, byte.MaxValue, byte.MaxValue))),
				new RarityGroup(ConfigManager.ExceptionalName.Value, ConfigManager.ExceptionalPercentage.Value, ConfigManager.ExceptionalItems.Value, Color32.op_Implicit(new Color32((byte)85, (byte)48, (byte)112, byte.MaxValue)), Color32.op_Implicit(new Color32((byte)215, (byte)156, byte.MaxValue, byte.MaxValue))),
				new RarityGroup(ConfigManager.LegendaryName.Value, ConfigManager.LegendaryPercentage.Value, ConfigManager.LegendaryItems.Value, Color32.op_Implicit(new Color32((byte)111, (byte)91, (byte)16, byte.MaxValue)), Color32.op_Implicit(new Color32(byte.MaxValue, (byte)230, (byte)109, byte.MaxValue)))
			}));
			((Registry<DawnItemInfo>)(object)LethalContent.Items).OnFreeze += SortItems;
		}

		internal static bool Find(Item item, out RarityGroup rarity)
		{
			return AssignedItems.TryGetValue(item, out rarity);
		}

		internal static bool UsesRarityScan(Item item)
		{
			return RarityScanItems.Contains(item);
		}

		private static void SortItems()
		{
			//IL_0457: Unknown result type (might be due to invalid IL or missing references)
			//IL_045c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0465: Unknown result type (might be due to invalid IL or missing references)
			//IL_046a: Unknown result type (might be due to invalid IL or missing references)
			List<string>[] array = new List<string>[5]
			{
				new List<string>(),
				new List<string>(),
				new List<string>(),
				new List<string>(),
				new List<string>()
			};
			AssignedItems.Clear();
			NamespacedKey val = default(NamespacedKey);
			DawnItemInfo val3 = default(DawnItemInfo);
			for (int i = 0; i < Groups.Count; i++)
			{
				string[] array2 = Groups[i].OverrideText.Split(new char[4] { ',', ';', '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
				string[] array3 = array2;
				foreach (string text in array3)
				{
					string text2 = text.Trim();
					if (!NamespacedKey.TryParse(text2, ref val))
					{
						Log.Error("Item override key is invalid: " + text2);
						continue;
					}
					NamespacedKey<DawnItemInfo> val2 = NamespacedKey<DawnItemInfo>.From(val.Namespace, val.Key);
					if (!((Registry<DawnItemInfo>)(object)LethalContent.Items).TryGetValue(val2, ref val3))
					{
						Log.Error("Item override was not loaded: " + text2);
					}
					else if (!val3.Item.isScrap)
					{
						Log.Warn("Item override is not scrap: " + text2);
					}
					else if (!AssignedItems.TryAdd(val3.Item, Groups[i]))
					{
						Log.Error("Item override appears in more than one rarity: " + text2);
					}
					else
					{
						array[i].Add(text2);
					}
				}
			}
			int count = AssignedItems.Count;
			List<DawnItemInfo> list = (from itemInfo in ((Registry<DawnItemInfo>)(object)LethalContent.Items).Values
				where itemInfo.Item.isScrap && !AssignedItems.ContainsKey(itemInfo.Item)
				orderby (float)(itemInfo.Item.minValue + itemInfo.Item.maxValue) / 2f
				select itemInfo).ToList();
			float num = Groups.Sum((RarityGroup rarityGroup) => rarityGroup.Percentage);
			if (list.Count > 0 && num <= 0f)
			{
				AssignedItems.Clear();
				Log.Error("Rarity percentages must total more than zero");
				return;
			}
			if (list.Count > 0)
			{
				int num2 = 0;
				float num3 = Groups[0].Percentage / num;
				for (int num4 = 0; num4 < list.Count; num4++)
				{
					float num5 = ((float)num4 + 0.5f) / (float)list.Count;
					while (num2 < Groups.Count - 1 && num5 >= num3)
					{
						num2++;
						num3 += Groups[num2].Percentage / num;
					}
					AssignedItems[list[num4].Item] = Groups[num2];
				}
			}
			GrabbableObject[] array4 = Resources.FindObjectsOfTypeAll<GrabbableObject>();
			HashSet<Item> hashSet = new HashSet<Item>();
			RarityScanItems.Clear();
			if (!ConfigManager.OverrideExistingDawnScanNodeColours.Value)
			{
				GrabbableObject[] array5 = array4;
				foreach (GrabbableObject val4 in array5)
				{
					if ((Object)(object)val4.itemProperties != (Object)null && val4.itemProperties.isScrap && ((Component)val4).GetComponentsInChildren<ForceScanColorOnItem>(true).Length != 0)
					{
						hashSet.Add(val4.itemProperties);
					}
				}
			}
			int num7 = 0;
			GrabbableObject[] array6 = array4;
			foreach (GrabbableObject val5 in array6)
			{
				if ((Object)(object)val5.itemProperties == (Object)null || !val5.itemProperties.isScrap || !AssignedItems.TryGetValue(val5.itemProperties, out RarityGroup value))
				{
					continue;
				}
				if (hashSet.Contains(val5.itemProperties))
				{
					Log.Debug("Existing scan node colours kept for " + val5.itemProperties.itemName);
					continue;
				}
				ScanNodeProperties componentInChildren = ((Component)val5).GetComponentInChildren<ScanNodeProperties>(true);
				if ((Object)(object)componentInChildren == (Object)null)
				{
					Log.Error("Setup failed for " + val5.itemProperties.itemName + " because it's missing a scan node");
					continue;
				}
				componentInChildren.subText = $"{value.Name} - ${val5.scrapValue}";
				ForceScanColorOnItem[] array7 = ((Component)val5).GetComponentsInChildren<ForceScanColorOnItem>(true);
				if (array7.Length == 0)
				{
					array7 = (ForceScanColorOnItem[])(object)new ForceScanColorOnItem[1] { ((Component)val5).gameObject.AddComponent<ForceScanColorOnItem>() };
				}
				ForceScanColorOnItem[] array8 = array7;
				foreach (ForceScanColorOnItem val6 in array8)
				{
					val6.grabbableObject = val5;
					val6.borderColor = value.ScanColor;
					val6.textColor = value.TextColor;
				}
				RarityScanItems.Add(val5.itemProperties);
				num7++;
			}
			Log.Debug($"{num7} scrap prefabs setup");
			foreach (RarityGroup rarity in Groups)
			{
				Log.Info($"{rarity.Name} scrap amount: {AssignedItems.Count<KeyValuePair<Item, RarityGroup>>((KeyValuePair<Item, RarityGroup> item) => item.Value == rarity)}");
			}
			for (int num10 = 0; num10 < Groups.Count; num10++)
			{
				if (array[num10].Count > 0)
				{
					Log.Info(Groups[num10].Name + " item overrides: " + string.Join(", ", array[num10]));
				}
			}
			Log.Info($"{list.Count} scrap items sorted by mean value from lowest to highest with {count} overrides");
		}
	}
	internal class RarityGroup(string name, float percentage, string overrideText, Color scanColor, Color textColor)
	{
		internal string Name { get; } = name;

		internal float Percentage { get; } = percentage;

		internal string OverrideText { get; } = overrideText;

		internal Color ScanColor { get; } = scanColor;

		internal Color TextColor { get; } = textColor;
	}
	public static class MyPluginInfo
	{
		public const string PLUGIN_GUID = "FortnitificationScanner";

		public const string PLUGIN_NAME = "FortnitificationScanner";

		public const string PLUGIN_VERSION = "0.0.7";
	}
}
namespace ItemRarities.Patches
{
	[HarmonyPatch(typeof(GrabbableObject))]
	internal static class GrabbableObjectPatches
	{
		[HarmonyPatch("SetScrapValue")]
		[HarmonyPostfix]
		private static void SetScrapValuePostfix(GrabbableObject __instance)
		{
			if (!((Object)(object)__instance.itemProperties == (Object)null) && __instance.itemProperties.isScrap && RarityGroups.UsesRarityScan(__instance.itemProperties) && RarityGroups.Find(__instance.itemProperties, out RarityGroup rarity))
			{
				ScanNodeProperties componentInChildren = ((Component)__instance).GetComponentInChildren<ScanNodeProperties>(true);
				if ((Object)(object)componentInChildren != (Object)null)
				{
					componentInChildren.subText = $"{rarity.Name} - ${__instance.scrapValue}";
					Log.Debug(__instance.itemProperties.itemName + " rarity scan text set to " + componentInChildren.subText);
				}
			}
		}
	}
	[HarmonyPatch(typeof(LungProp))]
	internal static class LungPropPatches
	{
		[HarmonyPatch("Start")]
		[HarmonyPostfix]
		private static void StartPostfix(LungProp __instance)
		{
			if (!((Object)(object)((GrabbableObject)__instance).itemProperties == (Object)null) && ((GrabbableObject)__instance).itemProperties.isScrap && RarityGroups.UsesRarityScan(((GrabbableObject)__instance).itemProperties) && RarityGroups.Find(((GrabbableObject)__instance).itemProperties, out RarityGroup rarity))
			{
				ScanNodeProperties componentInChildren = ((Component)__instance).GetComponentInChildren<ScanNodeProperties>(true);
				if ((Object)(object)componentInChildren != (Object)null)
				{
					componentInChildren.subText = rarity.Name + " - $???";
					Log.Debug(((GrabbableObject)__instance).itemProperties.itemName + " rarity scan text set to " + componentInChildren.subText);
				}
			}
		}
	}
}
[CompilerGenerated]
internal sealed class <>z__ReadOnlyArray<T> : IEnumerable, ICollection, IList, IEnumerable<T>, IReadOnlyCollection<T>, IReadOnlyList<T>, ICollection<T>, IList<T>
{
	int ICollection.Count => _items.Length;

	bool ICollection.IsSynchronized => false;

	object ICollection.SyncRoot => this;

	object IList.this[int index]
	{
		get
		{
			return _items[index];
		}
		set
		{
			throw new NotSupportedException();
		}
	}

	bool IList.IsFixedSize => true;

	bool IList.IsReadOnly => true;

	int IReadOnlyCollection<T>.Count => _items.Length;

	T IReadOnlyList<T>.this[int index] => _items[index];

	int ICollection<T>.Count => _items.Length;

	bool ICollection<T>.IsReadOnly => true;

	T IList<T>.this[int index]
	{
		get
		{
			return _items[index];
		}
		set
		{
			throw new NotSupportedException();
		}
	}

	public <>z__ReadOnlyArray(T[] items)
	{
		_items = items;
	}

	IEnumerator IEnumerable.GetEnumerator()
	{
		return ((IEnumerable)_items).GetEnumerator();
	}

	void ICollection.CopyTo(Array array, int index)
	{
		((ICollection)_items).CopyTo(array, index);
	}

	int IList.Add(object value)
	{
		throw new NotSupportedException();
	}

	void IList.Clear()
	{
		throw new NotSupportedException();
	}

	bool IList.Contains(object value)
	{
		return ((IList)_items).Contains(value);
	}

	int IList.IndexOf(object value)
	{
		return ((IList)_items).IndexOf(value);
	}

	void IList.Insert(int index, object value)
	{
		throw new NotSupportedException();
	}

	void IList.Remove(object value)
	{
		throw new NotSupportedException();
	}

	void IList.RemoveAt(int index)
	{
		throw new NotSupportedException();
	}

	IEnumerator<T> IEnumerable<T>.GetEnumerator()
	{
		return ((IEnumerable<T>)_items).GetEnumerator();
	}

	void ICollection<T>.Add(T item)
	{
		throw new NotSupportedException();
	}

	void ICollection<T>.Clear()
	{
		throw new NotSupportedException();
	}

	bool ICollection<T>.Contains(T item)
	{
		return ((ICollection<T>)_items).Contains(item);
	}

	void ICollection<T>.CopyTo(T[] array, int arrayIndex)
	{
		((ICollection<T>)_items).CopyTo(array, arrayIndex);
	}

	bool ICollection<T>.Remove(T item)
	{
		throw new NotSupportedException();
	}

	int IList<T>.IndexOf(T item)
	{
		return ((IList<T>)_items).IndexOf(item);
	}

	void IList<T>.Insert(int index, T item)
	{
		throw new NotSupportedException();
	}

	void IList<T>.RemoveAt(int index)
	{
		throw new NotSupportedException();
	}
}