[server] Add LineCompleteReflection message & hooks

Nibriboard/Client/Messages/LineCompleteReflectionMessage.cs

@@ -0,0 +1,27 @@
+using System;
+namespace Nibriboard.Client.Messages
+{
+	public class LineCompleteReflectionMessage : Message
+	{
+		/// <summary>
+		/// The id of the client that has completed drawing a line.
+		/// </summary>
+		public int OtherClientId;
+		/// <summary>
+		/// The id of the line to complete
+		/// </summary>
+		public string LineId;
+		/// <summary>
+		/// The colour of the line. May be any valid colour accepted by the HTML5 Canvas API.
+		/// </summary>
+		public string LineColour;
+		/// <summary>
+		/// The width of the line, in pixels.
+		/// </summary>
+		public int LineWidth;
+
+		public LineCompleteReflectionMessage()
+		{
+		}
+	}
+}

Nibriboard/Client/NibriClient.cs

@@ -435,6 +435,12 @@ namespace Nibriboard.Client
 			}
 
 			Log.WriteLine("[NibriClient#{0}] Adding {1}px {2} line", Id, line.Width, line.Colour);
+			manager.BroadcastPlane(this, new LineCompleteReflectionMessage() {
+				OtherClientId = Id,
+				LineId = line.LineId,
+				LineColour = line.Colour,
+				LineWidth = line.Width
+			});
 			await CurrentPlane.AddLine(line);
 		}
 

Nibriboard/Nibriboard.csproj

@@ -102,6 +102,7 @@
     <Compile Include="Client\Messages\PlaneChangeOkMessage.cs" />
     <Compile Include="Client\RawChunkReference.cs" />
     <Compile Include="Client\Messages\LinePartReflectionMessage.cs" />
+    <Compile Include="Client\Messages\LineCompleteReflectionMessage.cs" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="ClientFiles\index.html" />