/***************************************************************************
 *                             PacketHandlers.cs
 *                            -------------------
 *   begin                : May 1, 2002
 *   copyright            : (C) The RunUO Software Team
 *   email                : info@runuo.com
 *
 *   $Id: PacketHandlers.cs 698 2011-07-31 04:05:09Z mark $
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

using System;
using System.Text;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Net;
using Server.Accounting;
using Server.Gumps;
using Server.Targeting;
using Server.Items;
using Server.Menus;
using Server.Mobiles;
using Server.Movement;
using Server.Prompts;
using Server.HuePickers;
using Server.ContextMenus;
using Server.Diagnostics;
using CV = Server.ClientVersion;

namespace Server.Network
{
	public enum MessageType
	{
		Regular = 0x00,
		System = 0x01,
		Emote = 0x02,
		Label = 0x06,
		Focus = 0x07,
		Whisper = 0x08,
		Yell = 0x09,
		Spell = 0x0A,

		Guild = 0x0D,
		Alliance = 0x0E,
		Command = 0x0F,

		Encoded = 0xC0
	}

	public static class PacketHandlers
	{
		private static PacketHandler[] m_Handlers;
		private static PacketHandler[] m_6017Handlers;

		private static PacketHandler[] m_ExtendedHandlersLow;
		private static Dictionary<int, PacketHandler> m_ExtendedHandlersHigh;

		private static EncodedPacketHandler[] m_EncodedHandlersLow;
		private static Dictionary<int, EncodedPacketHandler> m_EncodedHandlersHigh;

		public static PacketHandler[] Handlers
		{
			get{ return m_Handlers; }
		}

		static PacketHandlers()
		{
			m_Handlers = new PacketHandler[0x100];
			m_6017Handlers = new PacketHandler[0x100];

			m_ExtendedHandlersLow = new PacketHandler[0x100];
			m_ExtendedHandlersHigh = new Dictionary<int, PacketHandler>();

			m_EncodedHandlersLow = new EncodedPacketHandler[0x100];
			m_EncodedHandlersHigh = new Dictionary<int, EncodedPacketHandler>();

			Register( 0x00, 104, false, new OnPacketReceive( CreateCharacter ) );
			Register( 0x01,   5, false, new OnPacketReceive( Disconnect ) );
			Register( 0x02,   7,  true, new OnPacketReceive( MovementReq ) );
			Register( 0x03,   0,  true, new OnPacketReceive( AsciiSpeech ) );
			Register( 0x04,   2,  true, new OnPacketReceive( GodModeRequest ) );
			Register( 0x05,   5,  true, new OnPacketReceive( AttackReq ) );
			Register( 0x06,   5,  true, new OnPacketReceive( UseReq ) );
			Register( 0x07,   7,  true, new OnPacketReceive( LiftReq ) );
			Register( 0x08,  14,  true, new OnPacketReceive( DropReq ) );
			Register( 0x09,   5,  true, new OnPacketReceive( LookReq ) );
			Register( 0x0A,  11,  true, new OnPacketReceive( Edit ) );
			Register( 0x12,   0,  true, new OnPacketReceive( TextCommand ) );
			Register( 0x13,  10,  true, new OnPacketReceive( EquipReq ) );
			Register( 0x14,   6,  true, new OnPacketReceive( ChangeZ ) );
			Register( 0x22,   3,  true, new OnPacketReceive( Resynchronize ) );
			Register( 0x2C,   2,  true, new OnPacketReceive( DeathStatusResponse ) );
			Register( 0x34,  10,  true, new OnPacketReceive( MobileQuery ) );
			Register( 0x3A,   0,  true, new OnPacketReceive( ChangeSkillLock ) );
			Register( 0x3B,   0,  true, new OnPacketReceive( VendorBuyReply ) );
			Register( 0x47,  11,  true, new OnPacketReceive( NewTerrain ) );
			Register( 0x48,  73,  true, new OnPacketReceive( NewAnimData ) );
			Register( 0x58, 106,  true, new OnPacketReceive( NewRegion ) );
			Register( 0x5D,  73, false, new OnPacketReceive( PlayCharacter ) );
			Register( 0x61,   9,  true, new OnPacketReceive( DeleteStatic ) );
			Register( 0x6C,  19,  true, new OnPacketReceive( TargetResponse ) );
			Register( 0x6F,   0,  true, new OnPacketReceive( SecureTrade ) );
			Register( 0x72,   5,  true, new OnPacketReceive( SetWarMode ) );
			Register( 0x73,   2, false, new OnPacketReceive( PingReq ) );
			Register( 0x75,  35,  true, new OnPacketReceive( RenameRequest ) );
			Register( 0x79,   9,  true, new OnPacketReceive( ResourceQuery ) );
			Register( 0x7E,   2,  true, new OnPacketReceive( GodviewQuery ) );
			Register( 0x7D,  13,  true, new OnPacketReceive( MenuResponse ) );
			Register( 0x80,  62, false, new OnPacketReceive( AccountLogin ) );
			Register( 0x83,  39, false, new OnPacketReceive( DeleteCharacter ) );
			Register( 0x91,  65, false, new OnPacketReceive( GameLogin ) );
			Register( 0x95,   9,  true, new OnPacketReceive( HuePickerResponse ) );
			Register( 0x96,   0,  true, new OnPacketReceive( GameCentralMoniter ) );
			Register( 0x98,   0,  true, new OnPacketReceive( MobileNameRequest ) );
			Register( 0x9A,   0,  true, new OnPacketReceive( AsciiPromptResponse ) );
			Register( 0x9B, 258,  true, new OnPacketReceive( HelpRequest ) );
			Register( 0x9D,  51,  true, new OnPacketReceive( GMSingle ) );
			Register( 0x9F,   0,  true, new OnPacketReceive( VendorSellReply ) );
			Register( 0xA0,   3, false, new OnPacketReceive( PlayServer ) );
			Register( 0xA4, 149, false, new OnPacketReceive( SystemInfo ) );
			Register( 0xA7,   4,  true, new OnPacketReceive( RequestScrollWindow ) );
			Register( 0xAD,   0,  true, new OnPacketReceive( UnicodeSpeech ) );
			Register( 0xB1,   0,  true, new OnPacketReceive( DisplayGumpResponse ) );
			Register( 0xB5,  64,  true, new OnPacketReceive( ChatRequest ) );
			Register( 0xB6,   9,  true, new OnPacketReceive( ObjectHelpRequest ) );
			Register( 0xB8,   0,  true, new OnPacketReceive( ProfileReq ) );
			Register( 0xBB,   9, false, new OnPacketReceive( AccountID ) );
			Register( 0xBD,   0, false, new OnPacketReceive( ClientVersion ) );
			Register( 0xBE,   0,  true, new OnPacketReceive( AssistVersion ) );
			Register( 0xBF,   0,  true, new OnPacketReceive( ExtendedCommand ) );
			Register( 0xC2,   0,  true, new OnPacketReceive( UnicodePromptResponse ) );
			Register( 0xC8,   2,  true, new OnPacketReceive( SetUpdateRange ) );
			Register( 0xC9,   6,  true, new OnPacketReceive( TripTime ) );
			Register( 0xCA,   6,  true, new OnPacketReceive( UTripTime ) );
			Register( 0xCF,   0, false, new OnPacketReceive( AccountLogin ) );
			Register( 0xD0,   0,  true, new OnPacketReceive( ConfigurationFile ) );
			Register( 0xD1,   2,  true, new OnPacketReceive( LogoutReq ) );
			Register( 0xD6,   0,  true, new OnPacketReceive( BatchQueryProperties ) );
			Register( 0xD7,   0,  true, new OnPacketReceive( EncodedCommand ) );
			Register( 0xE1,   0, false, new OnPacketReceive( ClientType ) );
			Register( 0xEF,  21, false, new OnPacketReceive( LoginServerSeed ) );
			Register( 0xF8, 106, false, new OnPacketReceive( CreateCharacter70160 ) );

			Register6017( 0x08, 15, true, new OnPacketReceive( DropReq6017 ) );

			RegisterExtended( 0x05, false, new OnPacketReceive( ScreenSize ) );
			RegisterExtended( 0x06,  true, new OnPacketReceive( PartyMessage ) );
			RegisterExtended( 0x07,  true, new OnPacketReceive( QuestArrow ) );
			RegisterExtended( 0x09,  true, new OnPacketReceive( DisarmRequest ) );
			RegisterExtended( 0x0A,  true, new OnPacketReceive( StunRequest ) );
			RegisterExtended( 0x0B, false, new OnPacketReceive( Language ) );
			RegisterExtended( 0x0C,  true, new OnPacketReceive( CloseStatus ) );
			RegisterExtended( 0x0E,  true, new OnPacketReceive( Animate ) );
			RegisterExtended( 0x0F, false, new OnPacketReceive( Empty ) ); // What's this?
			RegisterExtended( 0x10,  true, new OnPacketReceive( QueryProperties ) );
			RegisterExtended( 0x13,  true, new OnPacketReceive( ContextMenuRequest ) );
			RegisterExtended( 0x15,  true, new OnPacketReceive( ContextMenuResponse ) );
			RegisterExtended( 0x1A,  true, new OnPacketReceive( StatLockChange ) );
			RegisterExtended( 0x1C,  true, new OnPacketReceive( CastSpell ) );
			RegisterExtended( 0x24, false, new OnPacketReceive( UnhandledBF ) );

			#region SA
			RegisterExtended( 0x32,  true, new OnPacketReceive( ToggleFlying ) );
			#endregion

			RegisterEncoded( 0x19, true, new OnEncodedPacketReceive( SetAbility ) );
			RegisterEncoded( 0x28, true, new OnEncodedPacketReceive( GuildGumpRequest ) );

			RegisterEncoded( 0x32, true, new OnEncodedPacketReceive( QuestGumpRequest ) );
		}

		public static void Register( int packetID, int length, bool ingame, OnPacketReceive onReceive )
		{
			m_Handlers[packetID] = new PacketHandler( packetID, length, ingame, onReceive );

			if ( m_6017Handlers[packetID] == null )
				m_6017Handlers[packetID] = new PacketHandler( packetID, length, ingame, onReceive );
		}

		public static PacketHandler GetHandler( int packetID )
		{
			return m_Handlers[packetID];
		}

		public static void Register6017( int packetID, int length, bool ingame, OnPacketReceive onReceive )
		{
			m_6017Handlers[packetID] = new PacketHandler( packetID, length, ingame, onReceive );
		}

		public static PacketHandler Get6017Handler( int packetID )
		{
			return m_6017Handlers[packetID];
		}

		public static void RegisterExtended( int packetID, bool ingame, OnPacketReceive onReceive )
		{
			if ( packetID >= 0 && packetID < 0x100 )
				m_ExtendedHandlersLow[packetID] = new PacketHandler( packetID, 0, ingame, onReceive );
			else
				m_ExtendedHandlersHigh[packetID] = new PacketHandler( packetID, 0, ingame, onReceive );
		}

		public static PacketHandler GetExtendedHandler( int packetID )
		{
			if ( packetID >= 0 && packetID < 0x100 )
				return m_ExtendedHandlersLow[packetID];
			else
			{
				PacketHandler handler;
				m_ExtendedHandlersHigh.TryGetValue( packetID, out handler );
				return handler;
			}
		}

		public static void RemoveExtendedHandler( int packetID )
		{
			if ( packetID >= 0 && packetID < 0x100 )
				m_ExtendedHandlersLow[packetID] = null;
			else
				m_ExtendedHandlersHigh.Remove( packetID );
		}

		public static void RegisterEncoded( int packetID, bool ingame, OnEncodedPacketReceive onReceive )
		{
			if ( packetID >= 0 && packetID < 0x100 )
				m_EncodedHandlersLow[packetID] = new EncodedPacketHandler( packetID, ingame, onReceive );
			else
				m_EncodedHandlersHigh[packetID] = new EncodedPacketHandler( packetID, ingame, onReceive );
		}

		public static EncodedPacketHandler GetEncodedHandler( int packetID )
		{
			if ( packetID >= 0 && packetID < 0x100 )
				return m_EncodedHandlersLow[packetID];
			else
			{
				EncodedPacketHandler handler;
				m_EncodedHandlersHigh.TryGetValue( packetID, out handler );
				return handler;
			}
		}

		public static void RemoveEncodedHandler( int packetID )
		{
			if ( packetID >= 0 && packetID < 0x100 )
				m_EncodedHandlersLow[packetID] = null;
			else
				m_EncodedHandlersHigh.Remove( packetID );
		}

		public static void RegisterThrottler( int packetID, ThrottlePacketCallback t )
		{
			PacketHandler ph = GetHandler( packetID );

			if ( ph != null )
				ph.ThrottleCallback = t;

			ph = Get6017Handler( packetID );

			if ( ph != null )
				ph.ThrottleCallback = t;
		}

		private static void UnhandledBF( NetState state, PacketReader pvSrc )
		{
		}

		public static void Empty( NetState state, PacketReader pvSrc )
		{
		}

		public static void SetAbility( NetState state, IEntity e, EncodedReader reader )
		{
			EventSink.InvokeSetAbility( new SetAbilityEventArgs( state.Mobile, reader.ReadInt32() ) );
		}

		public static void GuildGumpRequest( NetState state, IEntity e, EncodedReader reader )
		{
			EventSink.InvokeGuildGumpRequest( new GuildGumpRequestArgs( state.Mobile ) );
		}

		public static void QuestGumpRequest( NetState state, IEntity e, EncodedReader reader )
		{
			EventSink.InvokeQuestGumpRequest( new QuestGumpRequestArgs( state.Mobile ) );
		}

		public static void EncodedCommand( NetState state, PacketReader pvSrc )
		{
			IEntity e = World.FindEntity( pvSrc.ReadInt32() );
			int packetID = pvSrc.ReadUInt16();

			EncodedPacketHandler ph = GetEncodedHandler( packetID );

			if ( ph != null )
			{
				if ( ph.Ingame && state.Mobile == null )
				{
					Console.WriteLine( "Client: {0}: Sent ingame packet (0xD7x{1:X2}) before having been attached to a mobile", state, packetID );
					state.Dispose();
				}
				else if ( ph.Ingame && state.Mobile.Deleted )
				{
					state.Dispose();
				}
				else
				{
					ph.OnReceive( state, e, new EncodedReader( pvSrc ) );
				}
			}
			else
			{
				pvSrc.Trace( state );
			}
		}

		public static void RenameRequest( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;
			Mobile targ = World.FindMobile( pvSrc.ReadInt32() );

			if ( targ != null )
				EventSink.InvokeRenameRequest( new RenameRequestEventArgs( from, targ, pvSrc.ReadStringSafe() ) );
		}

		public static void ChatRequest( NetState state, PacketReader pvSrc )
		{
			EventSink.InvokeChatRequest( new ChatRequestEventArgs( state.Mobile ) );
		}

		public static void SecureTrade( NetState state, PacketReader pvSrc )
		{
			switch ( pvSrc.ReadByte() )
			{
				case 1: // Cancel
				{
					Serial serial = pvSrc.ReadInt32();

					SecureTradeContainer cont = World.FindItem( serial ) as SecureTradeContainer;

					if ( cont != null && cont.Trade != null && (cont.Trade.From.Mobile == state.Mobile || cont.Trade.To.Mobile == state.Mobile) )
						cont.Trade.Cancel();

					break;
				}
				case 2: // Check
				{
					Serial serial = pvSrc.ReadInt32();

					SecureTradeContainer cont = World.FindItem( serial ) as SecureTradeContainer;

					if ( cont != null )
					{
						SecureTrade trade = cont.Trade;

						bool value = ( pvSrc.ReadInt32() != 0 );

						if ( trade != null && trade.From.Mobile == state.Mobile )
						{
							trade.From.Accepted = value;
							trade.Update();
						}
						else if ( trade != null && trade.To.Mobile == state.Mobile )
						{
							trade.To.Accepted = value;
							trade.Update();
						}
					}

					break;
				}
			}
		}

		public static void VendorBuyReply( NetState state, PacketReader pvSrc )
		{
			pvSrc.Seek( 1, SeekOrigin.Begin );

			int msgSize = pvSrc.ReadUInt16();
			Mobile vendor = World.FindMobile( pvSrc.ReadInt32() );
			byte flag = pvSrc.ReadByte();

			if ( vendor == null )
			{
				return;
			}
			else if ( vendor.Deleted || !Utility.RangeCheck( vendor.Location, state.Mobile.Location, 10 ) )
			{
				state.Send( new EndVendorBuy( vendor ) );
				return;
			}

			if ( flag == 0x02 )
			{
				msgSize -= 1+2+4+1;

				if ( (msgSize / 7) > 100 )
					return;

                List<BuyItemResponse> buyList = new List<BuyItemResponse>( msgSize / 7 );
				for ( ;msgSize>0;msgSize-=7)
				{
					byte layer = pvSrc.ReadByte();
					Serial serial = pvSrc.ReadInt32();
					int amount = pvSrc.ReadInt16();
				
					buyList.Add( new BuyItemResponse( serial, amount ) );
				}

				if ( buyList.Count > 0 )
				{
					IVendor v = vendor as IVendor;

					if ( v != null && v.OnBuyItems( state.Mobile, buyList ) )
						state.Send( new EndVendorBuy( vendor ) );
				}
			}
			else
			{
				state.Send( new EndVendorBuy( vendor ) );
			}
		}

		public static void VendorSellReply( NetState state, PacketReader pvSrc )
		{
			Serial serial = pvSrc.ReadInt32();
			Mobile vendor = World.FindMobile( serial );

			if ( vendor == null )
			{
				return;
			}
			else if ( vendor.Deleted || !Utility.RangeCheck( vendor.Location, state.Mobile.Location, 10 ) )
			{
				state.Send( new EndVendorSell( vendor ) );
				return;
			}

			int count = pvSrc.ReadUInt16();
			if ( count < 100 && pvSrc.Size == (1+2+4+2+(count*6)) )
			{
                List<SellItemResponse> sellList = new List<SellItemResponse>( count );

				for (int i=0;i<count;i++)
				{
					Item item = World.FindItem( pvSrc.ReadInt32() );
					int Amount = pvSrc.ReadInt16();

					if ( item != null && Amount > 0 )
						sellList.Add(  new SellItemResponse( item, Amount ) );
				}

				if ( sellList.Count > 0 )
				{
					IVendor v = vendor as IVendor;

					if ( v != null && v.OnSellItems( state.Mobile, sellList ) )
						state.Send( new EndVendorSell( vendor ) );
				}
			}
		}

		public static void DeleteCharacter( NetState state, PacketReader pvSrc )
		{
			pvSrc.Seek( 30, SeekOrigin.Current );
			int index = pvSrc.ReadInt32();

			EventSink.InvokeDeleteRequest( new DeleteRequestEventArgs( state, index ) );
		}

		public static void ResourceQuery( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
			}
		}

		public static void GameCentralMoniter( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				int type = pvSrc.ReadByte();
				int num1 = pvSrc.ReadInt32();

				Console.WriteLine( "God Client: {0}: Game central moniter", state );
				Console.WriteLine( " - Type: {0}", type );
				Console.WriteLine( " - Number: {0}", num1 );

				pvSrc.Trace( state );
			}
		}

		public static void GodviewQuery( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				Console.WriteLine( "God Client: {0}: Godview query 0x{1:X}", state, pvSrc.ReadByte() );
			}
		}

		public static void GMSingle( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
				pvSrc.Trace( state );
		}

		public static void DeathStatusResponse( NetState state, PacketReader pvSrc )
		{
			// Ignored
		}

		public static void ObjectHelpRequest( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;

			Serial serial = pvSrc.ReadInt32();
			int unk = pvSrc.ReadByte();
			string lang = pvSrc.ReadString( 3 );

			if ( serial.IsItem )
			{
				Item item = World.FindItem( serial );

				if ( item != null && from.Map == item.Map && Utility.InUpdateRange( item.GetWorldLocation(), from.Location ) && from.CanSee( item ) )
					item.OnHelpRequest( from );
			}
			else if ( serial.IsMobile )
			{
				Mobile m = World.FindMobile( serial );

				if ( m != null && from.Map == m.Map && Utility.InUpdateRange( m.Location, from.Location ) && from.CanSee( m ) )
					m.OnHelpRequest( m );
			}
		}

		public static void MobileNameRequest( NetState state, PacketReader pvSrc )
		{
			Mobile m = World.FindMobile( pvSrc.ReadInt32() );

			if ( m != null && Utility.InUpdateRange( state.Mobile, m ) && state.Mobile.CanSee( m ) )
				state.Send( new MobileName( m ) );
		}

		public static void RequestScrollWindow( NetState state, PacketReader pvSrc )
		{
			int lastTip = pvSrc.ReadInt16();
			int type = pvSrc.ReadByte();
		}

		public static void AttackReq( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;
			Mobile m = World.FindMobile( pvSrc.ReadInt32() );

			if ( m != null )
				from.Attack( m );
		}

		public static void HuePickerResponse( NetState state, PacketReader pvSrc ) {
			int serial = pvSrc.ReadInt32();
			int value = pvSrc.ReadInt16();
			int hue = pvSrc.ReadInt16() & 0x3FFF;

			hue = Utility.ClipDyedHue( hue );

			foreach ( HuePicker huePicker in state.HuePickers ) {
				if ( huePicker.Serial == serial ) {
					state.RemoveHuePicker( huePicker );

					huePicker.OnResponse( hue );

					break;
				}
			}
		}

		public static void TripTime( NetState state, PacketReader pvSrc )
		{
			int unk1 = pvSrc.ReadByte();
			int unk2 = pvSrc.ReadInt32();

			state.Send( new TripTimeResponse( unk1 ) );
		}

		public static void UTripTime( NetState state, PacketReader pvSrc )
		{
			int unk1 = pvSrc.ReadByte();
			int unk2 = pvSrc.ReadInt32();

			state.Send( new UTripTimeResponse( unk1 ) );
		}

		public static void ChangeZ( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				int x = pvSrc.ReadInt16();
				int y = pvSrc.ReadInt16();
				int z = pvSrc.ReadSByte();

				Console.WriteLine( "God Client: {0}: Change Z ({1}, {2}, {3})", state, x, y, z );
			}
		}

		public static void SystemInfo( NetState state, PacketReader pvSrc )
		{
			int v1 = pvSrc.ReadByte();
			int v2 = pvSrc.ReadUInt16();
			int v3 = pvSrc.ReadByte();
			string s1 = pvSrc.ReadString( 32 );
			string s2 = pvSrc.ReadString( 32 );
			string s3 = pvSrc.ReadString( 32 );
			string s4 = pvSrc.ReadString( 32 );
			int v4 = pvSrc.ReadUInt16();
			int v5 = pvSrc.ReadUInt16();
			int v6 = pvSrc.ReadInt32();
			int v7 = pvSrc.ReadInt32();
			int v8 = pvSrc.ReadInt32();
		}

		public static void Edit( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				int type = pvSrc.ReadByte(); // 10 = static, 7 = npc, 4 = dynamic
				int x = pvSrc.ReadInt16();
				int y = pvSrc.ReadInt16();
				int id = pvSrc.ReadInt16();
				int z = pvSrc.ReadSByte();
				int hue = pvSrc.ReadUInt16();

				Console.WriteLine( "God Client: {0}: Edit {6} ({1}, {2}, {3}) 0x{4:X} (0x{5:X})", state, x, y, z, id, hue, type );
			}
		}

		public static void DeleteStatic( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				int x = pvSrc.ReadInt16();
				int y = pvSrc.ReadInt16();
				int z = pvSrc.ReadInt16();
				int id = pvSrc.ReadUInt16();

				Console.WriteLine( "God Client: {0}: Delete Static ({1}, {2}, {3}) 0x{4:X}", state, x, y, z, id );
			}
		}

		public static void NewAnimData( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				Console.WriteLine( "God Client: {0}: New tile animation", state );

				pvSrc.Trace( state );
			}
		}

		public static void NewTerrain( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				int x = pvSrc.ReadInt16();
				int y = pvSrc.ReadInt16();
				int id = pvSrc.ReadUInt16();
				int width = pvSrc.ReadInt16();
				int height = pvSrc.ReadInt16();

				Console.WriteLine( "God Client: {0}: New Terrain ({1}, {2})+({3}, {4}) 0x{5:X4}", state, x, y, width, height, id );
			}
		}

		public static void NewRegion( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				string name = pvSrc.ReadString( 40 );
				int unk = pvSrc.ReadInt32();
				int x = pvSrc.ReadInt16();
				int y = pvSrc.ReadInt16();
				int width = pvSrc.ReadInt16();
				int height = pvSrc.ReadInt16();
				int zStart = pvSrc.ReadInt16();
				int zEnd = pvSrc.ReadInt16();
				string desc = pvSrc.ReadString( 40 );
				int soundFX = pvSrc.ReadInt16();
				int music = pvSrc.ReadInt16();
				int nightFX = pvSrc.ReadInt16();
				int dungeon = pvSrc.ReadByte();
				int light = pvSrc.ReadInt16();

				Console.WriteLine( "God Client: {0}: New Region '{1}' ('{2}')", state, name, desc );
			}
		}

		public static void AccountID( NetState state, PacketReader pvSrc )
		{
		}

		public static bool VerifyGC( NetState state )
		{
			if ( state.Mobile == null || state.Mobile.AccessLevel <= AccessLevel.Counselor )
			{
				if ( state.Running )
					Console.WriteLine( "Warning: {0}: Player using godclient, disconnecting", state );

				state.Dispose();
				return false;
			}
			else
			{
				return true;
			}
		}

		public static void TextCommand( NetState state, PacketReader pvSrc )
		{
			int type = pvSrc.ReadByte();
			string command = pvSrc.ReadString();

			Mobile m = state.Mobile;

			switch ( type )
			{
				case 0x00: // Go
				{
					if ( VerifyGC( state ) )
					{
						try
						{
							string[] split = command.Split( ' ' );

							int x = Utility.ToInt32( split[0] );
							int y = Utility.ToInt32( split[1] );

							int z;

							if ( split.Length >= 3 )
								z = Utility.ToInt32( split[2] );
							else if ( m.Map != null )
								z = m.Map.GetAverageZ( x, y );
							else
								z = 0;

							m.Location = new Point3D( x, y, z );
						}
						catch
						{
						}
					}

					break;
				}
				case 0xC7: // Animate
				{
					EventSink.InvokeAnimateRequest( new AnimateRequestEventArgs( m, command ) );

					break;
				}
				case 0x24: // Use skill
				{
					int skillIndex;

                    if ( !int.TryParse( command.Split( ' ' )[0], out skillIndex ) )
                        break;

					Skills.UseSkill( m, skillIndex );

					break;
				}
				case 0x43: // Open spellbook
				{
					int booktype;

                    if ( !int.TryParse( command, out booktype ) )
                        booktype = 1;

					EventSink.InvokeOpenSpellbookRequest( new OpenSpellbookRequestEventArgs( m, booktype ) );

					break;
				}
				case 0x27: // Cast spell from book
				{
					string[] split = command.Split( ' ' );

					if ( split.Length > 0 )
					{
						int spellID = Utility.ToInt32( split[0] ) - 1;
						int serial = split.Length > 1 ? Utility.ToInt32( split[1] ) : -1;

						EventSink.InvokeCastSpellRequest( new CastSpellRequestEventArgs( m, spellID, World.FindItem( serial ) ) );
					}

					break;
				}
				case 0x58: // Open door
				{
					EventSink.InvokeOpenDoorMacroUsed( new OpenDoorMacroEventArgs( m ) );

					break;
				}
				case 0x56: // Cast spell from macro
				{
					int spellID = Utility.ToInt32( command ) - 1;

					EventSink.InvokeCastSpellRequest( new CastSpellRequestEventArgs( m, spellID, null ) );

					break;
				}
				case 0xF4: // Invoke virtues from macro
				{
					int virtueID = Utility.ToInt32( command ) - 1;

					EventSink.InvokeVirtueMacroRequest( new VirtueMacroRequestEventArgs( m, virtueID ) );

					break;
				}
				default:
				{
					Console.WriteLine( "Client: {0}: Unknown text-command type 0x{1:X2}: {2}", state, type, command );
					break;
				}
			}
		}

		public static void GodModeRequest( NetState state, PacketReader pvSrc )
		{
			if ( VerifyGC( state ) )
			{
				state.Send( new GodModeReply( pvSrc.ReadBoolean() ) );
			}
		}

		public static void AsciiPromptResponse( NetState state, PacketReader pvSrc )
		{
			int serial = pvSrc.ReadInt32();
			int prompt = pvSrc.ReadInt32();
			int type = pvSrc.ReadInt32();
			string text = pvSrc.ReadStringSafe();

			if ( text.Length > 128 )
				return;

			Mobile from = state.Mobile;
			Prompt p = from.Prompt;

			if ( p != null && p.Serial == serial && p.Serial == prompt )
			{
				from.Prompt = null;

				if ( type == 0 )
					p.OnCancel( from );
				else
					p.OnResponse( from, text );
			}
		}

		public static void UnicodePromptResponse( NetState state, PacketReader pvSrc )
		{
			int serial = pvSrc.ReadInt32();
			int prompt = pvSrc.ReadInt32();
			int type = pvSrc.ReadInt32();
			string lang = pvSrc.ReadString( 4 );
			string text = pvSrc.ReadUnicodeStringLESafe();

			if ( text.Length > 128 )
				return;

			Mobile from = state.Mobile;
			Prompt p = from.Prompt;

			if ( p != null && p.Serial == serial && p.Serial == prompt )
			{
				from.Prompt = null;

				if ( type == 0 )
					p.OnCancel( from );
				else
					p.OnResponse( from, text );
			}
		}

		public static void MenuResponse( NetState state, PacketReader pvSrc ) {
			int serial = pvSrc.ReadInt32();
			int menuID = pvSrc.ReadInt16(); // unused in our implementation
			int index = pvSrc.ReadInt16();
			int itemID = pvSrc.ReadInt16();
			int hue = pvSrc.ReadInt16();

			index -= 1; // convert from 1-based to 0-based

			foreach ( IMenu menu in state.Menus ) {
				if ( menu.Serial == serial ) {
					state.RemoveMenu( menu );

					if ( index >= 0 && index < menu.EntryLength ) {
						menu.OnResponse( state, index );
					} else {
						menu.OnCancel( state );
					}

					break;
				}
			}
		}

		public static void ProfileReq( NetState state, PacketReader pvSrc )
		{
			int type = pvSrc.ReadByte();
			Serial serial = pvSrc.ReadInt32();

			Mobile beholder = state.Mobile;
			Mobile beheld = World.FindMobile( serial );

			if ( beheld == null )
				return;

			switch ( type )
			{
				case 0x00: // display request
				{
					EventSink.InvokeProfileRequest( new ProfileRequestEventArgs( beholder, beheld ) );

					break;
				}
				case 0x01: // edit request
				{
					pvSrc.ReadInt16(); // Skip
					int length = pvSrc.ReadUInt16();

					if ( length > 511 )
						return;

					string text = pvSrc.ReadUnicodeString( length );

					EventSink.InvokeChangeProfileRequest( new ChangeProfileRequestEventArgs( beholder, beheld, text ) );

					break;
				}
			}
		}

		public static void Disconnect( NetState state, PacketReader pvSrc )
		{
			int minusOne = pvSrc.ReadInt32();
		}

		public static void LiftReq( NetState state, PacketReader pvSrc )
		{
			Serial serial = pvSrc.ReadInt32();
			int amount = pvSrc.ReadUInt16();
			Item item = World.FindItem( serial );

			bool rejected;
			LRReason reject;

			state.Mobile.Lift( item, amount, out rejected, out reject );
		}

		public static void EquipReq( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;
			Item item = from.Holding;

			bool valid = ( item != null && item.HeldBy == from && item.Map == Map.Internal );

			from.Holding = null;

			if ( !valid ) {
				return;
			}

			pvSrc.Seek( 5, SeekOrigin.Current );
			Mobile to = World.FindMobile( pvSrc.ReadInt32() );

			if ( to == null )
				to = from;

			if ( !to.AllowEquipFrom( from ) || !to.EquipItem( item ) )
				item.Bounce( from );

			item.ClearBounce();
		}

		public static void DropReq( NetState state, PacketReader pvSrc )
		{
			pvSrc.ReadInt32(); // serial, ignored
			int x = pvSrc.ReadInt16();
			int y = pvSrc.ReadInt16();
			int z = pvSrc.ReadSByte();
			Serial dest = pvSrc.ReadInt32();

			Point3D loc = new Point3D( x, y, z );

			Mobile from = state.Mobile;

			bool success = false;
			Item holding = from.Holding;

			if ( dest.IsMobile )
				success = from.Drop( World.FindMobile( dest ), loc );
			else if ( dest.IsItem )
				success = from.Drop( World.FindItem( dest ), loc );
			else
				success = from.Drop( loc );

			if ( holding != null )
			{
				if ( !success && holding.DupeSource != null )
				{
					holding.DupeSource.Amount += holding.Amount;
					holding.Delete();
				}

				holding.DupeSource = null;
			}
		}

		public static void DropReq6017( NetState state, PacketReader pvSrc )
		{
			pvSrc.ReadInt32(); // serial, ignored
			int x = pvSrc.ReadInt16();
			int y = pvSrc.ReadInt16();
			int z = pvSrc.ReadSByte();
			pvSrc.ReadByte(); // Grid Location?
			Serial dest = pvSrc.ReadInt32();

			Point3D loc = new Point3D( x, y, z );

			Mobile from = state.Mobile;

			bool success = false;
			Item holding = from.Holding;

			if ( dest.IsMobile )
				success = from.Drop( World.FindMobile( dest ), loc );
			else if ( dest.IsItem )
				success = from.Drop( World.FindItem( dest ), loc );
			else
				success = from.Drop( loc );

			if ( holding != null )
			{
				if ( !success && holding.DupeSource != null )
				{
					holding.DupeSource.Amount += holding.Amount;
					holding.Delete();
				}

				holding.DupeSource = null;
			}
		}

		public static void ConfigurationFile( NetState state, PacketReader pvSrc )
		{
		}

		public static void LogoutReq( NetState state, PacketReader pvSrc )
		{
			state.Send( new LogoutAck() );
		}

		public static void ChangeSkillLock( NetState state, PacketReader pvSrc )
		{
			Skill s = state.Mobile.Skills[pvSrc.ReadInt16()];

			if ( s != null )
				s.SetLockNoRelay( (SkillLock)pvSrc.ReadByte() );
		}

		public static void HelpRequest( NetState state, PacketReader pvSrc )
		{
			EventSink.InvokeHelpRequest( new HelpRequestEventArgs( state.Mobile ) );
		}

		public static void TargetResponse( NetState state, PacketReader pvSrc )
		{
			int type = pvSrc.ReadByte();
			int targetID = pvSrc.ReadInt32();
			int flags = pvSrc.ReadByte();
			Serial serial = pvSrc.ReadInt32();
			int x = pvSrc.ReadInt16(), y = pvSrc.ReadInt16(), z = pvSrc.ReadInt16();
			int graphic = pvSrc.ReadUInt16();

			if ( targetID == unchecked( (int) 0xDEADBEEF ) )
				return;

			Mobile from = state.Mobile;

			Target t = from.Target;

			if ( t != null )
			{
				TargetProfile prof = TargetProfile.Acquire( t.GetType() );

				if ( prof != null ) {
					prof.Start();
				}

				try {
					if ( x == -1 && y == -1 && !serial.IsValid )
					{
						// User pressed escape
						t.Cancel( from, TargetCancelType.Canceled );
					}
					else
					{
						object toTarget;

						if ( type == 1 )
						{
							if ( graphic == 0 )
							{
								toTarget = new LandTarget( new Point3D( x, y, z ), from.Map );
							}
							else
							{
								Map map = from.Map;

								if ( map == null || map == Map.Internal )
								{
									t.Cancel( from, TargetCancelType.Canceled );
									return;
								}
								else
								{
									StaticTile[] tiles = map.Tiles.GetStaticTiles( x, y, !t.DisallowMultis );

									bool valid = false;

									if ( state.HighSeas ) {
										ItemData id = TileData.ItemTable[graphic&TileData.MaxItemValue];
										if ( id.Surface ) {
											z -= id.Height;
										}
									}

									for ( int i = 0; !valid && i < tiles.Length; ++i )
									{
										if ( tiles[i].Z == z && tiles[i].ID == graphic )
											valid = true;
									}

									if ( !valid )
									{
										t.Cancel( from, TargetCancelType.Canceled );
										return;
									}
									else
									{
										toTarget = new StaticTarget( new Point3D( x, y, z ), graphic );
									}
								}
							}
						}
						else if ( serial.IsMobile )
						{
							toTarget = World.FindMobile( serial );
						}
						else if ( serial.IsItem )
						{
							toTarget = World.FindItem( serial );
						}
						else
						{
							t.Cancel( from, TargetCancelType.Canceled );
							return;
						}

						t.Invoke( from, toTarget );
					}
				} finally {
					if ( prof != null ) {
						prof.Finish();
					}
				}
			}
		}

		public static void DisplayGumpResponse( NetState state, PacketReader pvSrc ) {
			int serial = pvSrc.ReadInt32();
			int typeID = pvSrc.ReadInt32();
			int buttonID = pvSrc.ReadInt32();

			foreach ( Gump gump in state.Gumps ) {
				if ( gump.Serial == serial && gump.TypeID == typeID ) {
					int switchCount = pvSrc.ReadInt32();

					if ( switchCount < 0 || switchCount > gump.m_Switches ) {
						state.WriteConsole( "Invalid gump response, disconnecting..." );
						state.Dispose();
						return;
					}

					int[] switches = new int[switchCount];

					for ( int j = 0; j < switches.Length; ++j )
						switches[j] = pvSrc.ReadInt32();

					int textCount = pvSrc.ReadInt32();

					if ( textCount < 0 || textCount > gump.m_TextEntries ) {
						state.WriteConsole( "Invalid gump response, disconnecting..." );
						state.Dispose();
						return;
					}

					TextRelay[] textEntries = new TextRelay[textCount];

					for ( int j = 0; j < textEntries.Length; ++j ) {
						int entryID = pvSrc.ReadUInt16();
						int textLength = pvSrc.ReadUInt16();

						if ( textLength > 239 ) {
							state.WriteConsole( "Invalid gump response, disconnecting..." );
							state.Dispose();
							return;
						}

						string text = pvSrc.ReadUnicodeStringSafe( textLength );
						textEntries[j] = new TextRelay( entryID, text );
					}

					state.RemoveGump( gump );

					GumpProfile prof = GumpProfile.Acquire( gump.GetType() );

					if ( prof != null ) {
						prof.Start();
					}

					gump.OnResponse( state, new RelayInfo( buttonID, switches, textEntries ) );

					if ( prof != null ) {
						prof.Finish();
					}

					return;
				}
			}

			if ( typeID == 461 ) { // Virtue gump
				int switchCount = pvSrc.ReadInt32();

				if ( buttonID == 1 && switchCount > 0 ) {
					Mobile beheld = World.FindMobile( pvSrc.ReadInt32() );

					if ( beheld != null ) {
						EventSink.InvokeVirtueGumpRequest( new VirtueGumpRequestEventArgs( state.Mobile, beheld ) );
					}
				} else {
					Mobile beheld = World.FindMobile( serial );

					if ( beheld != null ) {
						EventSink.InvokeVirtueItemRequest( new VirtueItemRequestEventArgs( state.Mobile, beheld, buttonID ) );
					}
				}
			}
		}

		public static void SetWarMode( NetState state, PacketReader pvSrc )
		{
			state.Mobile.DelayChangeWarmode( pvSrc.ReadBoolean() );
		}

		public static void Resynchronize( NetState state, PacketReader pvSrc )
		{
			Mobile m = state.Mobile;

			if ( state.StygianAbyss ) {
				state.Send( new MobileUpdate( m ) );
				state.Send( new MobileIncoming( m, m ) );
			} else {
				state.Send( new MobileUpdateOld( m ) );
				state.Send( new MobileIncomingOld( m, m ) );
			}

			m.SendEverything();

			state.Sequence = 0;

			m.ClearFastwalkStack();
		}

		private static int[] m_EmptyInts = new int[0];

		public static void AsciiSpeech( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;

			MessageType type = (MessageType)pvSrc.ReadByte();
			int hue = pvSrc.ReadInt16();
			pvSrc.ReadInt16(); // font
			string text = pvSrc.ReadStringSafe().Trim();

			if ( text.Length <= 0 || text.Length > 128 )
				return;

			if ( !Enum.IsDefined( typeof( MessageType ), type ) )
				type = MessageType.Regular;

			from.DoSpeech( text, m_EmptyInts, type, Utility.ClipDyedHue( hue ) );
		}

		private static KeywordList m_KeywordList = new KeywordList();

		public static void UnicodeSpeech( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;

			MessageType type = (MessageType)pvSrc.ReadByte();
			int hue = pvSrc.ReadInt16();
			pvSrc.ReadInt16(); // font
			string lang = pvSrc.ReadString( 4 );
			string text;

			bool isEncoded = (type & MessageType.Encoded) != 0;
			int[] keywords;

			if ( isEncoded )
			{
				int value = pvSrc.ReadInt16();
				int count = (value & 0xFFF0) >> 4;
				int hold = value & 0xF;

				if ( count < 0 || count > 50 )
					return;

				KeywordList keyList = m_KeywordList;

				for ( int i = 0; i < count; ++i )
				{
					int speechID;

					if ( (i & 1) == 0 )
					{
						hold <<= 8;
						hold |= pvSrc.ReadByte();
						speechID = hold;
						hold = 0;
					}
					else
					{
						value = pvSrc.ReadInt16();
						speechID = (value & 0xFFF0) >> 4;
						hold = value & 0xF;
					}

					if ( !keyList.Contains( speechID ) )
						keyList.Add( speechID );
				}

				text = pvSrc.ReadUTF8StringSafe();

				keywords = keyList.ToArray();
			}
			else
			{
				text = pvSrc.ReadUnicodeStringSafe();

				keywords = m_EmptyInts;
			}

			text = text.Trim();

			if ( text.Length <= 0 || text.Length > 128 )
				return;

			type &= ~MessageType.Encoded;

			if ( !Enum.IsDefined( typeof( MessageType ), type ) )
				type = MessageType.Regular;

			from.Language = lang;
			from.DoSpeech( text, keywords, type, Utility.ClipDyedHue( hue ) );
		}

		public static void UseReq( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;

			if ( from.AccessLevel >= AccessLevel.Counselor || DateTime.Now >= from.NextActionTime )
			{
				int value = pvSrc.ReadInt32();

				if ( (value & ~0x7FFFFFFF) != 0 )
				{
					from.OnPaperdollRequest();
				}
				else
				{
					Serial s = value;

					if ( s.IsMobile )
					{
						Mobile m = World.FindMobile( s );

						if ( m != null && !m.Deleted )
							from.Use( m );
					}
					else if ( s.IsItem )
					{
						Item item = World.FindItem( s );

						if ( item != null && !item.Deleted )
							from.Use( item );
					}
				}

				from.NextActionTime = DateTime.Now + TimeSpan.FromSeconds( 0.5 );
			}
			else
			{
				from.SendActionMessage();
			}
		}

		private static bool m_SingleClickProps;

		public static bool SingleClickProps
		{
			get{ return m_SingleClickProps; }
			set{ m_SingleClickProps = value; }
		}

		public static void LookReq( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;

			Serial s = pvSrc.ReadInt32();

			if ( s.IsMobile )
			{
				Mobile m = World.FindMobile( s );

				if ( m != null && from.CanSee( m ) && Utility.InUpdateRange( from, m ) )
				{
					if ( m_SingleClickProps )
					{
						m.OnAosSingleClick( from );
					}
					else
					{
						if ( from.Region.OnSingleClick( from, m ) )
							m.OnSingleClick( from );
					}
				}
			}
			else if ( s.IsItem )
			{
				Item item = World.FindItem( s );

				if ( item != null && !item.Deleted && from.CanSee( item ) && Utility.InUpdateRange( from.Location, item.GetWorldLocation() ) )
				{
					if ( m_SingleClickProps )
					{
						item.OnAosSingleClick( from );
					}
					else if ( from.Region.OnSingleClick( from, item ) )
					{
						if ( item.Parent is Item )
							((Item)item.Parent).OnSingleClickContained( from, item );

						item.OnSingleClick( from );
					}
				}
			}
		}

		public static void PingReq( NetState state, PacketReader pvSrc )
		{
			state.Send( PingAck.Instantiate( pvSrc.ReadByte() ) );
		}

		public static void SetUpdateRange( NetState state, PacketReader pvSrc )
		{
			state.Send( ChangeUpdateRange.Instantiate( 18 ) );
		}

		private const int BadFood = unchecked( (int)0xBAADF00D );
		private const int BadUOTD = unchecked( (int)0xFFCEFFCE );

		public static void MovementReq( NetState state, PacketReader pvSrc )
		{
			Direction dir = (Direction)pvSrc.ReadByte();
			int seq = pvSrc.ReadByte();
			int key = pvSrc.ReadInt32();

			Mobile m = state.Mobile;

			if ( (state.Sequence == 0 && seq != 0) || !m.Move( dir ) )
			{
				state.Send( new MovementRej( seq, m ) );
				state.Sequence = 0;

				m.ClearFastwalkStack();
			}
			else
			{
				++seq;

				if ( seq == 256 )
					seq = 1;

				state.Sequence = seq;
			}
		}

		public static int[] m_ValidAnimations = new int[]
			{
				6, 21, 32, 33,
				100, 101, 102,
				103, 104, 105,
				106, 107, 108,
				109, 110, 111,
				112, 113, 114,
				115, 116, 117,
				118, 119, 120,
				121, 123, 124,
				125, 126, 127,
				128
			};

		public static int[] ValidAnimations{ get{ return m_ValidAnimations; } set{ m_ValidAnimations = value; } }

		public static void Animate( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;
			int action = pvSrc.ReadInt32();

			bool ok = false;

			for ( int i = 0; !ok && i < m_ValidAnimations.Length; ++i )
				ok = ( action == m_ValidAnimations[i] );

			if ( from != null && ok && from.Alive && from.Body.IsHuman && !from.Mounted )
				from.Animate( action, 7, 1, true, false, 0 );
		}

		public static void QuestArrow( NetState state, PacketReader pvSrc )
		{
			bool rightClick = pvSrc.ReadBoolean();
			Mobile from = state.Mobile;

			if ( from != null && from.QuestArrow != null )
				from.QuestArrow.OnClick( rightClick );
		}

		public static void ExtendedCommand( NetState state, PacketReader pvSrc )
		{
			int packetID = pvSrc.ReadUInt16();

			PacketHandler ph = GetExtendedHandler( packetID );

			if ( ph != null )
			{
				if ( ph.Ingame && state.Mobile == null )
				{
					Console.WriteLine( "Client: {0}: Sent ingame packet (0xBFx{1:X2}) before having been attached to a mobile", state, packetID );
					state.Dispose();
				}
				else if ( ph.Ingame && state.Mobile.Deleted )
				{
					state.Dispose();
				}
				else
				{
					ph.OnReceive( state, pvSrc );
				}
			}
			else
			{
				pvSrc.Trace( state );
			}
		}

		public static void CastSpell( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;

			if ( from == null )
				return;

			Item spellbook = null;

			if ( pvSrc.ReadInt16() == 1 )
				spellbook = World.FindItem( pvSrc.ReadInt32() );

			int spellID = pvSrc.ReadInt16() - 1;

			EventSink.InvokeCastSpellRequest( new CastSpellRequestEventArgs( from, spellID, spellbook ) );
		}

		#region SA
		public static void ToggleFlying( NetState state, PacketReader pvSrc )
		{
			state.Mobile.ToggleFlying();
		}
		#endregion

		public static void BatchQueryProperties( NetState state, PacketReader pvSrc )
		{
			if ( !ObjectPropertyList.Enabled )
				return;

			Mobile from = state.Mobile;

			int length = pvSrc.Size-3;

			if ( length < 0 || (length%4) != 0 )
				return;

			int count = length/4;

			for ( int i = 0; i < count; ++i )
			{
				Serial s = pvSrc.ReadInt32();

				if ( s.IsMobile )
				{
					Mobile m = World.FindMobile( s );

					if ( m != null && from.CanSee( m ) && Utility.InUpdateRange( from, m ) )
						m.SendPropertiesTo( from );
				}
				else if ( s.IsItem )
				{
					Item item = World.FindItem( s );

					if ( item != null && !item.Deleted && from.CanSee( item ) && Utility.InUpdateRange( from.Location, item.GetWorldLocation() ) )
						item.SendPropertiesTo( from );
				}
			}
		}

		public static void QueryProperties( NetState state, PacketReader pvSrc )
		{
			if ( !ObjectPropertyList.Enabled )
				return;

			Mobile from = state.Mobile;

			Serial s = pvSrc.ReadInt32();

			if ( s.IsMobile )
			{
				Mobile m = World.FindMobile( s );

				if ( m != null && from.CanSee( m ) && Utility.InUpdateRange( from, m ) )
					m.SendPropertiesTo( from );
			}
			else if ( s.IsItem )
			{
				Item item = World.FindItem( s );

				if ( item != null && !item.Deleted && from.CanSee( item ) && Utility.InUpdateRange( from.Location, item.GetWorldLocation() ) )
					item.SendPropertiesTo( from );
			}
		}

		public static void PartyMessage( NetState state, PacketReader pvSrc )
		{
			if ( state.Mobile == null )
				return;

			switch ( pvSrc.ReadByte() )
			{
				case 0x01: PartyMessage_AddMember( state, pvSrc ); break;
				case 0x02: PartyMessage_RemoveMember( state, pvSrc ); break;
				case 0x03: PartyMessage_PrivateMessage( state, pvSrc ); break;
				case 0x04: PartyMessage_PublicMessage( state, pvSrc ); break;
				case 0x06: PartyMessage_SetCanLoot( state, pvSrc ); break;
				case 0x08: PartyMessage_Accept( state, pvSrc ); break;
				case 0x09: PartyMessage_Decline( state, pvSrc ); break;
				default: pvSrc.Trace( state ); break;
			}
		}

		public static void PartyMessage_AddMember( NetState state, PacketReader pvSrc )
		{
			if ( PartyCommands.Handler != null )
				PartyCommands.Handler.OnAdd( state.Mobile );
		}

		public static void PartyMessage_RemoveMember( NetState state, PacketReader pvSrc )
		{
			if ( PartyCommands.Handler != null )
				PartyCommands.Handler.OnRemove( state.Mobile, World.FindMobile( pvSrc.ReadInt32() ) );
		}

		public static void PartyMessage_PrivateMessage( NetState state, PacketReader pvSrc )
		{
			if ( PartyCommands.Handler != null )
				PartyCommands.Handler.OnPrivateMessage( state.Mobile, World.FindMobile( pvSrc.ReadInt32() ), pvSrc.ReadUnicodeStringSafe() );
		}

		public static void PartyMessage_PublicMessage( NetState state, PacketReader pvSrc )
		{
			if ( PartyCommands.Handler != null )
				PartyCommands.Handler.OnPublicMessage( state.Mobile, pvSrc.ReadUnicodeStringSafe() );
		}

		public static void PartyMessage_SetCanLoot( NetState state, PacketReader pvSrc )
		{
			if ( PartyCommands.Handler != null )
				PartyCommands.Handler.OnSetCanLoot( state.Mobile, pvSrc.ReadBoolean() );
		}

		public static void PartyMessage_Accept( NetState state, PacketReader pvSrc )
		{
			if ( PartyCommands.Handler != null )
				PartyCommands.Handler.OnAccept( state.Mobile, World.FindMobile( pvSrc.ReadInt32() ) );
		}

		public static void PartyMessage_Decline( NetState state, PacketReader pvSrc )
		{
			if ( PartyCommands.Handler != null )
				PartyCommands.Handler.OnDecline( state.Mobile, World.FindMobile( pvSrc.ReadInt32() ) );
		}

		public static void StunRequest( NetState state, PacketReader pvSrc )
		{
			EventSink.InvokeStunRequest( new StunRequestEventArgs( state.Mobile ) );
		}

		public static void DisarmRequest( NetState state, PacketReader pvSrc )
		{
			EventSink.InvokeDisarmRequest( new DisarmRequestEventArgs( state.Mobile ) );
		}

		public static void StatLockChange( NetState state, PacketReader pvSrc )
		{
			int stat = pvSrc.ReadByte();
			int lockValue = pvSrc.ReadByte();

			if ( lockValue > 2 ) lockValue = 0;

			Mobile m = state.Mobile;

			if ( m != null )
			{
				switch ( stat )
				{
					case 0: m.StrLock = (StatLockType)lockValue; break;
					case 1: m.DexLock = (StatLockType)lockValue; break;
					case 2: m.IntLock = (StatLockType)lockValue; break;
				}
			}
		}

		public static void ScreenSize( NetState state, PacketReader pvSrc )
		{
			int width = pvSrc.ReadInt32();
			int unk = pvSrc.ReadInt32();
		}

		public static void ContextMenuResponse( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;

			if ( from != null )
			{
				ContextMenu menu = from.ContextMenu;

				from.ContextMenu = null;

				if ( menu != null && from != null && from == menu.From )
				{
					IEntity entity = World.FindEntity( pvSrc.ReadInt32() );

					if ( entity != null && entity == menu.Target && from.CanSee( entity ) )
					{
						Point3D p;

						if ( entity is Mobile )
							p = entity.Location;
						else if ( entity is Item )
							p = ((Item)entity).GetWorldLocation();
						else
							return;

						int index = pvSrc.ReadUInt16();

						if ( index >= 0 && index < menu.Entries.Length )
						{
							ContextMenuEntry e = menu.Entries[index];

							int range = e.Range;

							if ( range == -1 )
								range = 18;

							if ( e.Enabled && from.InRange( p, range ) )
								e.OnClick();
						}
					}
				}
			}
		}

		public static void ContextMenuRequest( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;
			IEntity target = World.FindEntity( pvSrc.ReadInt32() );

			if ( from != null && target != null && from.Map == target.Map && from.CanSee( target ) )
			{
				if ( target is Mobile && !Utility.InUpdateRange( from.Location, target.Location ) )
					return;
				else if ( target is Item && !Utility.InUpdateRange( from.Location, ((Item)target).GetWorldLocation() ) )
					return;

				if ( !from.CheckContextMenuDisplay( target ) )
					return;

				ContextMenu c = new ContextMenu( from, target );

				if ( c.Entries.Length > 0 )
				{
					if ( target is Item )
					{
						object root = ((Item)target).RootParent;

						if ( root is Mobile && root != from && ((Mobile)root).AccessLevel >= from.AccessLevel )
						{
							for ( int i = 0; i < c.Entries.Length; ++i )
							{
								if ( !c.Entries[i].NonLocalUse )
									c.Entries[i].Enabled = false;
							}
						}
					}

					from.ContextMenu = c;
				}
			}
		}

		public static void CloseStatus( NetState state, PacketReader pvSrc )
		{
			Serial serial = pvSrc.ReadInt32();
		}

		public static void Language( NetState state, PacketReader pvSrc )
		{
			string lang = pvSrc.ReadString( 4 );

			if ( state.Mobile != null )
				state.Mobile.Language = lang;
		}

		public static void AssistVersion( NetState state, PacketReader pvSrc )
		{
			int unk = pvSrc.ReadInt32();
			string av = pvSrc.ReadString();
		}

		public static void ClientVersion( NetState state, PacketReader pvSrc )
		{
			CV version = state.Version = new CV( pvSrc.ReadString() );

			EventSink.InvokeClientVersionReceived( new ClientVersionReceivedArgs( state, version ) );
		}

		public static void ClientType( NetState state, PacketReader pvSrc )
		{
			pvSrc.ReadUInt16();

			int type = pvSrc.ReadUInt16();
			CV version = state.Version = new CV( pvSrc.ReadString() );

			//EventSink.InvokeClientVersionReceived( new ClientVersionReceivedArgs( state, version ) );//todo
		}

		public static void MobileQuery( NetState state, PacketReader pvSrc )
		{
			Mobile from = state.Mobile;

			pvSrc.ReadInt32(); // 0xEDEDEDED
			int type = pvSrc.ReadByte();
			Mobile m = World.FindMobile( pvSrc.ReadInt32() );

			if ( m != null )
			{
				switch ( type )
				{
					case 0x00: // Unknown, sent by godclient
					{
						if ( VerifyGC( state ) )
							Console.WriteLine( "God Client: {0}: Query 0x{1:X2} on {2} '{3}'", state, type, m.Serial, m.Name );

						break;
					}
					case 0x04: // Stats
					{
						m.OnStatsQuery( from );
						break;
					}
					case 0x05:
					{
						m.OnSkillsQuery( from );
						break;
					}
					default:
					{
						pvSrc.Trace( state );
						break;
					}
				}
			}
		}

		private class LoginTimer : Timer
		{
			private NetState m_State;
			private Mobile m_Mobile;

			public LoginTimer( NetState state, Mobile m ) : base( TimeSpan.FromSeconds( 1.0 ), TimeSpan.FromSeconds( 1.0 ) )
			{
				m_State = state;
				m_Mobile = m;
			}

			protected override void OnTick()
			{
				if ( m_State == null )
					Stop();
				if ( m_State.Version != null )
				{
					m_State.BlockAllPackets = false;
					DoLogin( m_State, m_Mobile );
					Stop();
				}
			}
		}

		public static void PlayCharacter( NetState state, PacketReader pvSrc )
		{
			pvSrc.ReadInt32(); // 0xEDEDEDED

			string name = pvSrc.ReadString( 30 );

			pvSrc.Seek( 2, SeekOrigin.Current );
			int flags = pvSrc.ReadInt32();
			pvSrc.Seek( 24, SeekOrigin.Current );

			int charSlot = pvSrc.ReadInt32();
			int clientIP = pvSrc.ReadInt32();

			IAccount a = state.Account;

			if ( a == null || charSlot < 0 || charSlot >= a.Length )
			{
				state.Dispose();
			}
			else
			{
				Mobile m = a[charSlot];

				// Check if anyone is using this account
				for ( int i = 0; i < a.Length; ++i )
				{
					Mobile check = a[i];

					if ( check != null && check.Map != Map.Internal && check != m )
					{
						Console.WriteLine( "Login: {0}: Account in use", state );
						state.Send( new PopupMessage( PMMessage.CharInWorld ) );
						return;
					}
				}

				if ( m == null )
				{
					state.Dispose();
				}
				else
				{
					if ( m.NetState != null )
						m.NetState.Dispose();

					NetState.ProcessDisposedQueue();

					state.Send( new ClientVersionReq() );

					state.BlockAllPackets = true;

					state.Flags = (ClientFlags)flags;

					state.Mobile = m;
					m.NetState = state;

					new LoginTimer( state, m ).Start();
				}
			}
		}

		public static void DoLogin( NetState state, Mobile m )
		{
			state.Send( new LoginConfirm( m ) );

			if ( m.Map != null )
				state.Send( new MapChange( m ) );

			state.Send( new MapPatches() );

			state.Send( SeasonChange.Instantiate( m.GetSeason(), true ) );

			state.Send( SupportedFeatures.Instantiate( state ) );

			state.Sequence = 0;

			if ( state.StygianAbyss ) {
				state.Send( new MobileUpdate( m ) );
				state.Send( new MobileUpdate( m ) );

				m.CheckLightLevels( true );

				state.Send( new MobileUpdate( m ) );

				state.Send( new MobileIncoming( m, m ) );
				//state.Send( new MobileAttributes( m ) );
				state.Send( new MobileStatus( m, m ) );
				state.Send( Server.Network.SetWarMode.Instantiate( m.Warmode ) );

				m.SendEverything();

				state.Send( SupportedFeatures.Instantiate( state ) );
				state.Send( new MobileUpdate( m ) );
				//state.Send( new MobileAttributes( m ) );
				state.Send( new MobileStatus( m, m ) );
				state.Send( Server.Network.SetWarMode.Instantiate( m.Warmode ) );
				state.Send( new MobileIncoming( m, m ) );
			} else {
				state.Send( new MobileUpdateOld( m ) );
				state.Send( new MobileUpdateOld( m ) );

				m.CheckLightLevels( true );

				state.Send( new MobileUpdateOld( m ) );

				state.Send( new MobileIncomingOld( m, m ) );
				//state.Send( new MobileAttributes( m ) );
				state.Send( new MobileStatus( m, m ) );
				state.Send( Server.Network.SetWarMode.Instantiate( m.Warmode ) );

				m.SendEverything();

				state.Send( SupportedFeatures.Instantiate( state ) );
				state.Send( new MobileUpdateOld( m ) );
				//state.Send( new MobileAttributes( m ) );
				state.Send( new MobileStatus( m, m ) );
				state.Send( Server.Network.SetWarMode.Instantiate( m.Warmode ) );
				state.Send( new MobileIncomingOld( m, m ) );
			}

			state.Send( LoginComplete.Instance );
			state.Send( new CurrentTime() );
			state.Send( SeasonChange.Instantiate( m.GetSeason(), true ) );
			state.Send( new MapChange( m ) );

			EventSink.InvokeLogin( new LoginEventArgs( m ) );

			m.ClearFastwalkStack();
		}

		public static void CreateCharacter( NetState state, PacketReader pvSrc )
		{
			int unk1 = pvSrc.ReadInt32();
			int unk2 = pvSrc.ReadInt32();
			int unk3 = pvSrc.ReadByte();
			string name = pvSrc.ReadString( 30 );

			pvSrc.Seek( 2, SeekOrigin.Current );
			int flags = pvSrc.ReadInt32();
			pvSrc.Seek( 8, SeekOrigin.Current );
			int prof = pvSrc.ReadByte();
			pvSrc.Seek( 15, SeekOrigin.Current );

			//bool female = pvSrc.ReadBoolean();

			int genderRace = pvSrc.ReadByte();

			int str = pvSrc.ReadByte();
			int dex = pvSrc.ReadByte();
			int intl= pvSrc.ReadByte();
			int is1 = pvSrc.ReadByte();
			int vs1 = pvSrc.ReadByte();
			int is2 = pvSrc.ReadByte();
			int vs2 = pvSrc.ReadByte();
			int is3 = pvSrc.ReadByte();
			int vs3 = pvSrc.ReadByte();
			int hue = pvSrc.ReadUInt16();
			int hairVal = pvSrc.ReadInt16();
			int hairHue = pvSrc.ReadInt16();
			int hairValf= pvSrc.ReadInt16();
			int hairHuef= pvSrc.ReadInt16();
			pvSrc.ReadByte();
			int cityIndex = pvSrc.ReadByte();
			int charSlot = pvSrc.ReadInt32();
			int clientIP = pvSrc.ReadInt32();
			int shirtHue = pvSrc.ReadInt16();
			int pantsHue = pvSrc.ReadInt16();

			/*
			Pre-7.0.0.0:
			0x00, 0x01 -> Human Male, Human Female
			0x02, 0x03 -> Elf Male, Elf Female

			Post-7.0.0.0:
			0x00, 0x01
			0x02, 0x03 -> Human Male, Human Female
			0x04, 0x05 -> Elf Male, Elf Female
			0x05, 0x06 -> Gargoyle Male, Gargoyle Female
			*/

			bool female = ((genderRace % 2) != 0);

            Race race = null;

			if ( state.StygianAbyss ) {
				byte raceID = (byte)(genderRace < 4 ? 0 : ((genderRace / 2) - 1));
				race = Race.Races[raceID];
			} else {
				race = Race.Races[(byte)(genderRace / 2)];
			}

			if( race == null )
				race = Race.DefaultRace;

			CityInfo[] info = state.CityInfo;
			IAccount a = state.Account;

			if ( info == null || a == null || cityIndex < 0 || cityIndex >= info.Length )
			{
				state.Dispose();
			}
			else
			{
				// Check if anyone is using this account
				for ( int i = 0; i < a.Length; ++i )
				{
					Mobile check = a[i];

					if ( check != null && check.Map != Map.Internal )
					{
						Console.WriteLine( "Login: {0}: Account in use", state );
						state.Send( new PopupMessage( PMMessage.CharInWorld ) );
						return;
					}
				}

				state.Flags = (ClientFlags)flags;

				CharacterCreatedEventArgs args = new CharacterCreatedEventArgs(
					state, a,
					name, female, hue,
					str, dex, intl,
					info[cityIndex],
					new SkillNameValue[3]
					{
						new SkillNameValue( (SkillName)is1, vs1 ),
						new SkillNameValue( (SkillName)is2, vs2 ),
						new SkillNameValue( (SkillName)is3, vs3 ),
					},
					shirtHue, pantsHue,
					hairVal, hairHue,
					hairValf, hairHuef,
					prof,
					race
					);

				state.Send( new ClientVersionReq() );

				state.BlockAllPackets = true;

				EventSink.InvokeCharacterCreated( args );

				Mobile m = args.Mobile;

				if ( m != null )
				{
					state.Mobile = m;
					m.NetState = state;
					new LoginTimer( state, m ).Start();
			}
			else
			{
					state.BlockAllPackets = false;
					state.Dispose();
			}
			}
		}

		public static void CreateCharacter70160( NetState state, PacketReader pvSrc )
		{
			int unk1 = pvSrc.ReadInt32();
			int unk2 = pvSrc.ReadInt32();
			int unk3 = pvSrc.ReadByte();
			string name = pvSrc.ReadString( 30 );

			pvSrc.Seek( 2, SeekOrigin.Current );
			int flags = pvSrc.ReadInt32();
			pvSrc.Seek( 8, SeekOrigin.Current );
			int prof = pvSrc.ReadByte();
			pvSrc.Seek( 15, SeekOrigin.Current );

			int genderRace = pvSrc.ReadByte();

			int str = pvSrc.ReadByte();
			int dex = pvSrc.ReadByte();
			int intl= pvSrc.ReadByte();
			int is1 = pvSrc.ReadByte();
			int vs1 = pvSrc.ReadByte();
			int is2 = pvSrc.ReadByte();
			int vs2 = pvSrc.ReadByte();
			int is3 = pvSrc.ReadByte();
			int vs3 = pvSrc.ReadByte();
			int is4 = pvSrc.ReadByte();
			int vs4 = pvSrc.ReadByte();

			int hue = pvSrc.ReadUInt16();
			int hairVal = pvSrc.ReadInt16();
			int hairHue = pvSrc.ReadInt16();
			int hairValf= pvSrc.ReadInt16();
			int hairHuef= pvSrc.ReadInt16();
			pvSrc.ReadByte();
			int cityIndex = pvSrc.ReadByte();
			int charSlot = pvSrc.ReadInt32();
			int clientIP = pvSrc.ReadInt32();
			int shirtHue = pvSrc.ReadInt16();
			int pantsHue = pvSrc.ReadInt16();

			/*
			0x00, 0x01
			0x02, 0x03 -> Human Male, Human Female
			0x04, 0x05 -> Elf Male, Elf Female
			0x05, 0x06 -> Gargoyle Male, Gargoyle Female
			*/

			bool female = ((genderRace % 2) != 0);

			Race race = null;

			byte raceID = (byte)(genderRace < 4 ? 0 : ((genderRace / 2) - 1));
			race = Race.Races[raceID];

			if( race == null )
				race = Race.DefaultRace;

			CityInfo[] info = state.CityInfo;
			IAccount a = state.Account;

			if ( info == null || a == null || cityIndex < 0 || cityIndex >= info.Length )
			{
				state.Dispose();
			}
			else
			{
				// Check if anyone is using this account
				for ( int i = 0; i < a.Length; ++i )
				{
					Mobile check = a[i];

					if ( check != null && check.Map != Map.Internal )
					{
						Console.WriteLine( "Login: {0}: Account in use", state );
						state.Send( new PopupMessage( PMMessage.CharInWorld ) );
						return;
					}
				}

				state.Flags = (ClientFlags)flags;

				CharacterCreatedEventArgs args = new CharacterCreatedEventArgs(
					state, a,
					name, female, hue,
					str, dex, intl,
					info[cityIndex],
					new SkillNameValue[4]
					{
						new SkillNameValue( (SkillName)is1, vs1 ),
						new SkillNameValue( (SkillName)is2, vs2 ),
						new SkillNameValue( (SkillName)is3, vs3 ),
						new SkillNameValue( (SkillName)is4, vs4 ),
					},
					shirtHue, pantsHue,
					hairVal, hairHue,
					hairValf, hairHuef,
					prof,
					race
					);

				state.Send( new ClientVersionReq() );

				state.BlockAllPackets = true;

				EventSink.InvokeCharacterCreated( args );

				Mobile m = args.Mobile;

				if ( m != null )
				{
					state.Mobile = m;
					m.NetState = state;
					new LoginTimer( state, m ).Start();
				}
				else
				{
					state.BlockAllPackets = false;
					state.Dispose();
				}
			}
		}


		private static bool m_ClientVerification = true;

		public static bool ClientVerification
		{
			get{ return m_ClientVerification; }
			set{ m_ClientVerification = value; }
		}

		internal struct AuthIDPersistence {
			public DateTime Age;
			public ClientVersion Version;

			public AuthIDPersistence( ClientVersion v ) {
				Age = DateTime.Now;
				Version = v;
			}
		}

		private const int m_AuthIDWindowSize = 128;
		private static Dictionary<int, AuthIDPersistence> m_AuthIDWindow = new Dictionary<int, AuthIDPersistence>( m_AuthIDWindowSize );

		private static int GenerateAuthID( NetState state )
		{			
			if ( m_AuthIDWindow.Count == m_AuthIDWindowSize ) {
				int oldestID = 0;
				DateTime oldest = DateTime.MaxValue;

				foreach ( KeyValuePair<int, AuthIDPersistence> kvp in m_AuthIDWindow ) {
					if ( kvp.Value.Age < oldest ) {
						oldestID = kvp.Key;
						oldest = kvp.Value.Age;
					}
				}

				m_AuthIDWindow.Remove( oldestID );
			}
			
			int authID;

			do {
				authID = Utility.Random( 1, int.MaxValue - 1 );

				if ( Utility.RandomBool() )
					authID |= 1<<31;
			} while ( m_AuthIDWindow.ContainsKey( authID ) );

			m_AuthIDWindow[authID] = new AuthIDPersistence( state.Version );
			
			return authID;
		}

		public static void GameLogin( NetState state, PacketReader pvSrc )
		{
			if ( state.SentFirstPacket )
			{
				state.Dispose();
				return;
			}

			state.SentFirstPacket = true;

			int authID = pvSrc.ReadInt32();

			if ( m_AuthIDWindow.ContainsKey( authID ) ) {
				AuthIDPersistence ap = m_AuthIDWindow[authID];
				m_AuthIDWindow.Remove( authID );

				state.Version = ap.Version;
			} else if ( m_ClientVerification ) {
				Console.WriteLine( "Login: {0}: Invalid client detected, disconnecting", state );
				state.Dispose();
				return;
			}
			
			if ( state.m_AuthID != 0 && authID != state.m_AuthID )
			{
				Console.WriteLine( "Login: {0}: Invalid client detected, disconnecting", state );
				state.Dispose();
				return;
			}
			else if ( state.m_AuthID == 0 && authID != state.m_Seed )
			{
				Console.WriteLine( "Login: {0}: Invalid client detected, disconnecting", state );
				state.Dispose();
				return;
			}

			string username = pvSrc.ReadString( 30 );
			string password = pvSrc.ReadString( 30 );

			GameLoginEventArgs e = new GameLoginEventArgs( state, username, password );

			EventSink.InvokeGameLogin( e );

			if ( e.Accepted )
			{
				state.CityInfo = e.CityInfo;
				state.CompressionEnabled = true;

					state.Send( SupportedFeatures.Instantiate( state ) );

				if ( state.NewCharacterList ) {
				state.Send( new CharacterList( state.Account, state.CityInfo ) );
				} else {
					state.Send( new CharacterListOld( state.Account, state.CityInfo ) );
				}
			}
			else
			{
				state.Dispose();
			}
		}

		public static void PlayServer( NetState state, PacketReader pvSrc )
		{
			int index = pvSrc.ReadInt16();
			ServerInfo[] info = state.ServerInfo;
			IAccount a = state.Account;

			if ( info == null || a == null || index < 0 || index >= info.Length )
			{
				state.Dispose();
			}
			else
			{
				ServerInfo si = info[index];

				state.m_AuthID = PlayServerAck.m_AuthID = GenerateAuthID( state );

				state.SentFirstPacket = false;
				state.Send( new PlayServerAck( si ) );
			}
		}

        public static void LoginServerSeed( NetState state, PacketReader pvSrc )
        {
            state.m_Seed = pvSrc.ReadInt32();
            state.Seeded = true;

            if ( state.m_Seed == 0 )
            {
                Console.WriteLine("Login: {0}: Invalid client detected, disconnecting", state);
                state.Dispose();
                return;
            }

            int clientMaj = pvSrc.ReadInt32();
            int clientMin = pvSrc.ReadInt32();
            int clientRev = pvSrc.ReadInt32();
            int clientPat = pvSrc.ReadInt32();

            state.Version = new ClientVersion( clientMaj, clientMin, clientRev, clientPat );
        }

		public static void AccountLogin( NetState state, PacketReader pvSrc )
		{
			if ( state.SentFirstPacket )
			{
				state.Dispose();
				return;
			}

			state.SentFirstPacket = true;

			string username = pvSrc.ReadString( 30 );
			string password = pvSrc.ReadString( 30 );

			AccountLoginEventArgs e = new AccountLoginEventArgs( state, username, password );

			EventSink.InvokeAccountLogin( e );

			if ( e.Accepted )
				AccountLogin_ReplyAck( state );
			else
				AccountLogin_ReplyRej( state, e.RejectReason );
		}

		public static void AccountLogin_ReplyAck( NetState state )
		{
			ServerListEventArgs e = new ServerListEventArgs( state, state.Account );

			EventSink.InvokeServerList( e );

			if ( e.Rejected )
			{
				state.Account = null;
				state.Send( new AccountLoginRej( ALRReason.BadComm ) );
				state.Dispose();
			}
			else
			{
				ServerInfo[] info = e.Servers.ToArray();

				state.ServerInfo = info;

				state.Send( new AccountLoginAck( info ) );
			}
		}

		public static void AccountLogin_ReplyRej( NetState state, ALRReason reason )
		{
			state.Send( new AccountLoginRej( reason ) );
			state.Dispose();
		}
	}
}