Added Entity Action handling, and A TSneak command that will Toggle Sneak.

MinecraftClient/Protocol/Action.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace MinecraftClient.Protocol
+{
+    public enum ActionType
+    {
+        StartSneaking,
+        StopSneaking,
+        LeaveBed,
+        StartSprinting,
+        StopSprinting
+    }
+}

MinecraftClient/Protocol/Handlers/PacketOutgoingType.cs

@@ -17,6 +17,7 @@ namespace MinecraftClient.Protocol.Handlers
         ClientSettings,
         PluginMessage,
         TabComplete,
+        EntityAction,
         PlayerPosition,
         PlayerPositionAndLook,
         TeleportConfirm,
@@ -27,4 +28,4 @@ namespace MinecraftClient.Protocol.Handlers
         CloseWindow,
         PlayerBlockPlacement
     }
-}
+}

MinecraftClient/Protocol/Handlers/Protocol16.cs

@@ -239,6 +239,10 @@ namespace MinecraftClient.Protocol.Handlers
             }
             else return "";
         }
+        public bool SendEntityAction(int PlayerEntityID, int ActionID)
+        {
+            return true;
+        }
 
         private byte[] readNextByteArray()
         {

MinecraftClient/Protocol/Handlers/Protocol18.cs

@@ -965,6 +965,22 @@ namespace MinecraftClient.Protocol.Handlers
             catch (System.IO.IOException) { return false; }
             catch (ObjectDisposedException) { return false; }
         }
+        
+        public bool SendEntityAction(int PlayerEntityID, int ActionID)
+        {
+            try
+            {
+                List<byte> fields = new List<byte>();
+                fields.AddRange(dataTypes.GetVarInt(PlayerEntityID));
+                fields.AddRange(dataTypes.GetVarInt(ActionID));
+                fields.AddRange(dataTypes.GetVarInt(0));
+                SendPacket(PacketOutgoingType.EntityAction, fields);
+                return true;
+            }
+            catch (SocketException) { return false; }
+            catch (System.IO.IOException) { return false; }
+            catch (ObjectDisposedException) { return false; }
+        }
 
         /// <summary>
         /// Send a respawn packet to the server

MinecraftClient/Protocol/IMinecraftCom.cs

@@ -85,7 +85,15 @@ namespace MinecraftClient.Protocol
         /// <param name="data">packet Data</param>
         /// <returns>True if message was successfully sent</returns>
         bool SendPluginChannelPacket(string channel, byte[] data);
-
+        
+        /// <summary>
+        /// Send Entity Action packet to the server.
+        /// </summary>
+        /// <param name="entityID">PlayerID</param>
+        /// <param name="type">Type of packet to send</param>
+        /// <returns>True if packet was successfully sent</returns>
+        bool SendEntityAction(int EntityID, int type);
+        
         /// <summary>
         /// Send a held item change packet to the server.
         /// </summary>