[server] Add ExcecptionMessage

Nibriboard/Client/Messages/ExceptionMessage.cs

@@ -0,0 +1,37 @@
+using System;
+namespace Nibriboard.Client.Messages
+{
+	/// <summary>
+	/// Represents a tantrum thrown by either the server or the client.
+	/// Both act like 2 year olds, apparently :P
+	/// </summary>
+	public class ExceptionMessage : Message
+	{
+		/// <summary>
+		/// The number code associated with this exception.
+		/// </summary>
+		public uint Code = 0;
+		/// <summary>
+		/// The error message.
+		/// </summary>
+		public string Message = string.Empty;
+
+		/// <summary>
+		/// Creates a new ExceptionMessage.
+		/// </summary>
+		/// <param name="inCode">The exception code.</param>
+		/// <param name="inMessage">The exception message.</param>
+		public ExceptionMessage(uint inCode, string inMessage)
+		{
+			Code = inCode;
+			Message = inMessage;
+		}
+		/// <summary>
+		/// Creates a new ExceptionMessage.
+		/// </summary>
+		/// <param name="inMessage">The exception message.</param>
+		public ExceptionMessage(string inMessage) : this(0, inMessage)
+		{
+		}
+	}
+}

Nibriboard/Client/NibriClient.cs

@@ -265,6 +265,20 @@ namespace Nibriboard.Client
 
 			return Task.CompletedTask;
 		}
+		/// <summary>
+		/// Handles an incoming plane change request.
+		/// </summary>
+		protected Task handlePlaneChangeMessage(PlaneChangeMessage message)
+		{
+			if(manager.SpaceManager[message.NewPlaneName] == default(Plane))
+				throw new NotImplementedException(); // todo create a new plane here
+
+			message.IsOK = true;
+
+			Send(message);
+
+			return Task.CompletedTask;
+		}
 
 		/// <summary>
 		/// Handles an incoming cursor position message from the client..

Nibriboard/Nibriboard.csproj

@@ -91,6 +91,7 @@
     <Compile Include="Client\Messages\HeartbeatMessage.cs" />
     <Compile Include="Client\Messages\ChunkUpdateMessage.cs" />
     <Compile Include="Client\Messages\PlaneChangeMessage.cs" />
+    <Compile Include="Client\Messages\ExceptionMessage.cs" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="ClientFiles\index.html" />