Added a bunch of functions/properties to NetIdentity

Facepunch.Steamworks/Networking/NetIdentity.cs

@@ -9,21 +9,104 @@ public partial struct NetIdentity
 		internal IdentityType type;
 
 		[FieldOffset( 4 )]
-		internal int m_cbSize;
+		internal int size;
 
 		[FieldOffset( 8 )]
-		internal SteamId steamID;
+		internal ulong steamid;
 
+		[FieldOffset( 8 )]
+		internal NetAddress netaddress;
+
+		/// <summary>
+		/// Return a NetIdentity that represents LocalHost
+		/// </summary>
+		public static NetIdentity LocalHost
+		{
+			get
+			{
+				NetIdentity id = default;
+				InternalSetLocalHost( ref id );
+				return id;
+			}
+		}
+
+
+		public bool IsSteamId => type == IdentityType.SteamID;
+		public bool IsIpAddress => type == IdentityType.IPAddress;
+
+		/// <summary>
+		/// Return true if this identity is localhost
+		/// </summary>
+		public bool IsLocalHost
+		{
+			get
+			{
+				NetIdentity id = default;
+				return InternalIsLocalHost( ref id );
+			}
+		}
+
+		/// <summary>
+		/// Convert to a SteamId
+		/// </summary>
+		/// <param name="value"></param>
 		public static implicit operator NetIdentity( SteamId value )
 		{
-			return new NetIdentity { steamID = value, type = IdentityType.SteamID, m_cbSize = 8 };
+			NetIdentity id = default;
+			InternalSetSteamID( ref id, value );
+			return id;
 		}
 
+		/// <summary>
+		/// Set the specified Address
+		/// </summary>
+		public static implicit operator NetIdentity( NetAddress address )
+		{
+			NetIdentity id = default;
+			InternalSetIPAddr( ref id, ref address );
+			return id;
+		}
+
+		/// <summary>
+		/// Automatically convert to a SteamId
+		/// </summary>
+		/// <param name="value"></param>
 		public static implicit operator SteamId( NetIdentity value )
 		{
-			return value.steamID;
+			return value.SteamId;
 		}
 
+		/// <summary>
+		/// Returns NULL if we're not a SteamId
+		/// </summary>
+		public SteamId SteamId
+		{
+			get
+			{
+				if ( type != IdentityType.SteamID ) return default;
+				var id = this;
+				return InternalGetSteamID( ref id );
+			}
+		}
+
+		/// <summary>
+		/// Returns NULL if we're not a NetAddress
+		/// </summary>
+		public NetAddress Address
+		{
+			get
+			{
+				if ( type != IdentityType.IPAddress ) return default;
+				var id = this;
+
+				var addrptr = InternalGetIPAddr( ref id );
+				return addrptr.ToType<NetAddress>();
+			}
+		}
+
+		/// <summary>
+		/// We override tostring to provide a sensible representation
+		/// </summary>
 		public override string ToString()
 		{
 			var id = this;