Extension method for reading/writing enums in netbuffers, (untested) classes for sending files

Subsurface/Source/Networking/NetBufferExtensions.cs

@@ -0,0 +1,18 @@
+using Lidgren.Network;
+using System;
+
+namespace Barotrauma.Networking
+{
+    static class NetBufferExtensions
+    {
+        public static void WriteEnum(this NetBuffer buffer, Enum value)
+        {
+            buffer.WriteRangedInteger(0, Enum.GetValues(value.GetType()).Length - 1, Convert.ToInt32(value));
+        }
+
+        public static TEnum ReadEnum<TEnum>(this NetBuffer buffer)
+        {
+            return (TEnum)(object)buffer.ReadRangedInteger(0, Enum.GetValues(typeof(TEnum)).Length - 1);
+        }
+    }
+}