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Unused/Decal.Adapter.Wrappers/Vendor.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using Decal.Interop.Filters;
+
+namespace Decal.Adapter.Wrappers;
+
+public class Vendor : GenericDisposableWrapper<Decal.Interop.Filters.Vendor>, IEnumerable<WorldObject>, IEnumerable
+{
+	public class VendorEnumerator : IEnumerator<WorldObject>, IDisposable, IEnumerator
+	{
+		private Vendor vendor;
+
+		private WorldObject current;
+
+		public WorldObject Current
+		{
+			get
+			{
+				if (current == null)
+				{
+					MoveNext();
+				}
+				return current;
+			}
+		}
+
+		object IEnumerator.Current
+		{
+			get
+			{
+				if (current == null)
+				{
+					MoveNext();
+				}
+				return current;
+			}
+		}
+
+		internal VendorEnumerator(Vendor vendor)
+		{
+			this.vendor = vendor;
+		}
+
+		~VendorEnumerator()
+		{
+			Dispose(userCalled: false);
+		}
+
+		public void Dispose()
+		{
+			Dispose(userCalled: true);
+			GC.SuppressFinalize(this);
+		}
+
+		protected virtual void Dispose(bool userCalled)
+		{
+			if (vendor != null)
+			{
+				Reset();
+				vendor = null;
+			}
+		}
+
+		public bool MoveNext()
+		{
+			Decal.Interop.Filters.WorldObject ppObject = null;
+			bool num = vendor.Wrapped.Next(ref ppObject);
+			if (num && ppObject != null)
+			{
+				current = vendor.GetCachedObject(ppObject);
+			}
+			return num;
+		}
+
+		public void Reset()
+		{
+			vendor.Wrapped.Reset();
+		}
+	}
+
+	private WorldFilter wf;
+
+	private DisposableObjectDictionary<int, WorldObject> objectCache;
+
+	private IEnumerator<WorldObject> oldstyleenumerator;
+
+	/// <summary>
+	/// The indentifier for this merchant
+	/// </summary>
+	public int MerchantId => base.Wrapped.MerchantID;
+
+	/// <summary>
+	/// The maximum value of an item this vendor will purchase
+	/// </summary>
+	public int MaxValue => base.Wrapped.BuyValue;
+
+	/// <summary>
+	/// The rate at which this vendor sells items
+	/// </summary>
+	public float SellRate => base.Wrapped.SellRate;
+
+	/// <summary>
+	/// The rate at which this vendor buys items
+	/// </summary>
+	public float BuyRate => base.Wrapped.BuyRate;
+
+	/// <summary>
+	/// The item categories that this vendor buys
+	/// </summary>
+	public int Categories => base.Wrapped.BuyCategories;
+
+	/// <summary>
+	/// Returns the number of items in the collection
+	/// </summary>
+	public int Count => base.Wrapped.Count;
+
+	/// <summary>
+	/// Returns the number of items represented by the collection, taking into account stacks of items.
+	/// </summary>
+	public int Quantity => base.Wrapped.Quantity;
+
+	public WorldObject First
+	{
+		get
+		{
+			using IEnumerator<WorldObject> enumerator = GetEnumerator();
+			return enumerator.Current;
+		}
+	}
+
+	[Obsolete("Use enumerators")]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	public WorldObject Current
+	{
+		get
+		{
+			if (oldstyleenumerator == null)
+			{
+				oldstyleenumerator = GetEnumerator();
+			}
+			return oldstyleenumerator.Current;
+		}
+	}
+
+	public WorldObject this[int id]
+	{
+		get
+		{
+			WorldObject value = null;
+			if (!objectCache.TryGetValue(id, out value))
+			{
+				Decal.Interop.Filters.WorldObject byID = base.Wrapped.GetByID(id);
+				if (byID != null)
+				{
+					value = new WorldObject(byID);
+					objectCache.Add(value.Id, value);
+				}
+			}
+			return value;
+		}
+	}
+
+	public Vendor(WorldFilter wf, Decal.Interop.Filters.Vendor obj)
+		: base(obj)
+	{
+		this.wf = wf;
+		objectCache = new DisposableObjectDictionary<int, WorldObject>("Id");
+	}
+
+	protected override void Dispose(bool userCalled)
+	{
+		if (oldstyleenumerator != null)
+		{
+			oldstyleenumerator.Dispose();
+			oldstyleenumerator = null;
+		}
+		objectCache.Clear();
+		base.Dispose(userCalled);
+	}
+
+	internal WorldObject GetCachedObject(Decal.Interop.Filters.WorldObject iwo)
+	{
+		WorldObject value = null;
+		if (!objectCache.TryGetValue(iwo.GUID, out value))
+		{
+			value = new WorldObject(iwo);
+			objectCache.Add(value.Id, value);
+		}
+		return value;
+	}
+
+	/// <summary>
+	/// Apply a filter to this collection to limit what it returns
+	/// </summary>
+	/// <param name="filter">filter object</param>
+	public void SetFilter(WorldObjectCollectionFilter filter)
+	{
+		filter?.ApplyFilter(base.Wrapped);
+	}
+
+	[Obsolete("Use enumerators")]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	public bool MoveNext()
+	{
+		if (oldstyleenumerator == null)
+		{
+			oldstyleenumerator = GetEnumerator();
+		}
+		return oldstyleenumerator.MoveNext();
+	}
+
+	[Obsolete("Use enumerators")]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	public void Reset()
+	{
+		if (oldstyleenumerator == null)
+		{
+			oldstyleenumerator = GetEnumerator();
+		}
+		oldstyleenumerator.Reset();
+	}
+
+	public IEnumerator<WorldObject> GetEnumerator()
+	{
+		return new VendorEnumerator(this);
+	}
+
+	IEnumerator IEnumerable.GetEnumerator()
+	{
+		return new VendorEnumerator(this);
+	}
+}