#W# Initial Commit: Avatars Conquest

Scripts/Misc/ProtocolExtensions.cs

@@ -0,0 +1,107 @@
+using System;
+using Server;
+using Server.Network;
+using Server.Mobiles;
+using Server.Engines.PartySystem;
+
+namespace Server.Misc
+{
+	public class ProtocolExtensions
+	{
+		private static PacketHandler[] m_Handlers = new PacketHandler[0x100];
+
+		public static void Initialize()
+		{
+			PacketHandlers.Register( 0xF0, 0, false, new OnPacketReceive( DecodeBundledPacket ) );
+
+			Register( 0x00, true, new OnPacketReceive( QueryPartyLocations ) );
+		}
+
+		public static void QueryPartyLocations( NetState state, PacketReader pvSrc )
+		{
+			Mobile from = state.Mobile;
+			Party party = Party.Get( from );
+
+			if ( party != null )
+			{
+				AckPartyLocations ack = new AckPartyLocations( from, party );
+
+				if ( ack.UnderlyingStream.Length > 8 )
+					state.Send( ack );
+			}
+		}
+
+		public static void Register( int packetID, bool ingame, OnPacketReceive onReceive )
+		{
+			m_Handlers[packetID] = new PacketHandler( packetID, 0, ingame, onReceive );
+		}
+
+		public static PacketHandler GetHandler( int packetID )
+		{
+			if ( packetID >= 0 && packetID < m_Handlers.Length )
+				return m_Handlers[packetID];
+
+			return null;
+		}
+
+		public static void DecodeBundledPacket( NetState state, PacketReader pvSrc )
+		{
+			int packetID = pvSrc.ReadByte();
+
+			PacketHandler ph = GetHandler( packetID );
+
+			if ( ph != null )
+			{
+				if ( ph.Ingame && state.Mobile == null )
+				{
+					Console.WriteLine( "Client: {0}: Sent ingame packet (0xF0x{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 );
+				}
+			}
+		}
+	}
+
+	public abstract class ProtocolExtension : Packet
+	{
+		public ProtocolExtension( int packetID, int capacity ) : base( 0xF0 )
+		{
+			EnsureCapacity( 4 + capacity );
+
+			m_Stream.Write( (byte) packetID );
+		}
+	}
+
+	public class AckPartyLocations : ProtocolExtension
+	{
+		public AckPartyLocations( Mobile from, Party party ) : base( 0x01, ((party.Members.Count - 1) * 9) + 4 )
+		{
+			for ( int i = 0; i < party.Members.Count; ++i )
+			{
+				PartyMemberInfo pmi = (PartyMemberInfo)party.Members[i];
+
+				if ( pmi == null || pmi.Mobile == from )
+					continue;
+
+				Mobile mob = pmi.Mobile;
+
+				if ( Utility.InUpdateRange( from, mob ) && from.CanSee( mob ) )
+					continue;
+
+				m_Stream.Write( (int) mob.Serial );
+				m_Stream.Write( (short) mob.X );
+				m_Stream.Write( (short) mob.Y );
+				m_Stream.Write( (byte) (mob.Map == null ? 0 : mob.Map.MapID) );
+			}
+
+			m_Stream.Write( (int) 0 );
+		}
+	}
+}