Added /list command

.gitignore

@@ -2,3 +2,4 @@
 /MinecraftClient.suo
 /MinecraftClientGUI.v11.suo
 /MinecraftClientGUI.suo
+/MinecraftClient.userprefs

MinecraftClient/Commands/List.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace MinecraftClient.Commands
+{
+    public class List : Command
+    {
+        public override string CMDName { get { return "list"; } }
+        public override string CMDDesc { get { return "list: get the player list."; } }
+
+        public override string Run(McTcpClient handler, string command)
+        {
+                handler.ListPlayers();
+                return "";
+        }
+    }
+}
+

MinecraftClient/McTcpClient.cs

@@ -33,6 +33,8 @@ public class McTcpClient : IMinecraftComHandler
         private string uuid;
         private string sessionid;
 
+        public Dictionary<string, string> players;
+
         public int getServerPort() { return port; }
         public string getServerHost() { return host; }
         public string getUsername() { return username; }
@@ -56,6 +58,7 @@ public class McTcpClient : IMinecraftComHandler
         public McTcpClient(string username, string uuid, string sessionID, int protocolversion, string server_ip, ushort port)
         {
             StartClient(username, uuid, sessionID, server_ip, port, protocolversion, false, "");
+            players = new Dictionary<string, string>();
         }
 
         /// <summary>
@@ -388,14 +391,36 @@ public bool SendText(string text)
             else return handler.SendChatMessage(text);
         }
 
+        /// <summary>
+        /// Display a list of players
+        /// </summary>
+        /// <returns>True if the players can be listed</returns>
+
+        public bool ListPlayers()
+        {
+            ConsoleIO.WriteLine ("Player List");
+            foreach (string player in players.Values)
+                ConsoleIO.WriteLine (player); 
+            return true;
+        }
+
         /// <summary>
         /// Allow to respawn after death
         /// </summary>
         /// <returns>True if packet successfully sent</returns>
 
         public bool SendRespawnPacket()
         {
-            return handler.SendRespawnPacket();
+            return handler.SendRespawnPacket ();
+        }
+
+        public void addPlayer(string uuid, string name) {
+            players[uuid] = name;
+        }
+        public void removePlayer(string uuid){
+            players.Remove (uuid);
         }
+
+        public HashSet<string> getPlayers() { return new HashSet<string>(players.Values); }
     }
 }

MinecraftClient/MinecraftClient.csproj

@@ -131,6 +131,7 @@
     <Compile Include="Proxy\Handlers\Socks5ProxyClient.cs" />
     <Compile Include="Proxy\Handlers\Utils.cs" />
     <Compile Include="Settings.cs" />
+    <Compile Include="Commands\List.cs" />
   </ItemGroup>
   <ItemGroup>
     <BootstrapperPackage Include=".NETFramework,Version=v4.0,Profile=Client">

MinecraftClient/Protocol/Handlers/Protocol18.cs

@@ -143,6 +143,26 @@ private bool handlePacket(int packetID, byte[] packetData)
                     case 0x02:
                         handler.OnTextReceived(ChatParser.ParseText(readNextString(ref packetData)));
                         break;
+                    case 0x0C: //Entity Look and Relative Move
+                        //ConsoleIO.WriteLineFormatted("§8 0x0C entity:" + readNextVarInt(ref packetData) + " has come in to sight");
+                        break;
+                    case 0x38: // update player list
+                        int action = readNextVarInt (ref packetData);
+                        int numActions = readNextVarInt (ref packetData);
+                        string uuid = readNextUUID (ref packetData);
+                        switch (action) {
+                            case 0x00:
+                                string name = readNextString (ref packetData);
+                                handler.addPlayer (uuid, name);
+                                break;
+                            case 0x04:
+                                handler.removePlayer (uuid);
+                                break;
+                            default:
+                                //do nothing
+                                break;
+                        }
+                        break;
                     case 0x3A:
                         int autocomplete_count = readNextVarInt(ref packetData);
                         string tab_list = "";
@@ -256,6 +276,17 @@ private string readNextString(ref byte[] cache)
             else return "";
         }
 
+        /// <summary>
+        /// Read a uuid from a cache of bytes and remove it from the cache
+        /// </summary>
+        /// <param name="cache">Cache of bytes to read from</param>
+        /// <returns>The uuid as a string</returns>
+
+        private string readNextUUID(ref byte[] cache)
+        {
+            return BitConverter.ToString(readData (16, ref cache)).Replace ("-", string.Empty).ToLower();
+        }
+
         /// <summary>
         /// Read a byte array from a cache of bytes and remove it from the cache
         /// </summary>

MinecraftClient/Protocol/IMinecraftComHandler.cs

@@ -22,6 +22,10 @@ public interface IMinecraftComHandler
         string getUserUUID();
         string getSessionID();
 
+        void addPlayer(string uuid, string name);
+        void removePlayer(string uuid);
+        HashSet<string> getPlayers();
+
         /// <summary>
         /// This method is called when the protocol handler receives a chat message
         /// </summary>