Various C# Script improvements

Move handling code in a separate file
Add caching ability for low-power devices (rpi..)
Use a distinct API with MCC.MethodName()
Stop script execution only on specific API calls

MinecraftClient/CSharpRunner.cs

@@ -0,0 +1,372 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+using Microsoft.CSharp;
+using System.CodeDom.Compiler;
+using System.Reflection;
+using System.Threading;
+
+namespace MinecraftClient
+{
+    /// <summary>
+    /// C# Script runner - Compile on-the-fly and run C# scripts
+    /// </summary>
+    class CSharpRunner
+    {
+        private static readonly Dictionary<ulong, Assembly> CompileCache = new Dictionary<ulong, Assembly>();
+
+        /// <summary>
+        /// Run the specified C# script file
+        /// </summary>
+        /// <param name="apiHandler">ChatBot handler for accessing ChatBot API</param>
+        /// <param name="tickHandler">Tick handler for waiting after some API calls</param>
+        /// <param name="lines">Lines of the script file to run</param>
+        /// <param name="args">Arguments to pass to the script</param>
+        /// <param name="run">Set to false to compile and cache the script without launching it</param>
+        /// <exception cref="CSharpException">Thrown if an error occured</exception>
+        /// <returns>Result of the execution, returned by the script</returns>
+        public static object Run(ChatBot apiHandler, ManualResetEvent tickHandler, string[] lines, string[] args, bool run = true)
+        {
+            //Script compatibility check for handling future versions differently
+            if (lines.Length < 1 || lines[0] != "//MCCScript 1.0")
+                throw new CSharpException(CSErrorType.InvalidScript,
+                    new InvalidDataException("The provided script does not have a valid MCCScript header"));
+
+            //Script hash for determining if it was previously compiled
+            ulong scriptHash = QuickHash(lines);
+            Assembly assembly = null;
+
+            //No need to compile two scripts at the same time
+            lock (CompileCache)
+            {
+                ///Process and compile script only if not already compiled
+                if (!Settings.CacheScripts || !CompileCache.ContainsKey(scriptHash))
+                {
+                    //Process different sections of the script file
+                    bool scriptMain = true;
+                    List<string> script = new List<string>();
+                    List<string> extensions = new List<string>();
+                    foreach (string line in lines)
+                    {
+                        if (line.StartsWith("//MCCScript"))
+                        {
+                            if (line.EndsWith("Extensions"))
+                                scriptMain = false;
+                        }
+                        else if (scriptMain)
+                            script.Add(line);
+                        else extensions.Add(line);
+                    }
+
+                    //Add return statement if missing
+                    if (script.All(line => !line.StartsWith("return ") && !line.Contains(" return ")))
+                        script.Add("return null;");
+
+                    //Generate a class from the given script
+                    string code = String.Join("\n", new string[]
+                    {
+                        "using System;",
+                        "using System.Collections.Generic;",
+                        "using System.Linq;",
+                        "using System.Text;",
+                        "using System.IO;",
+                        "using System.Threading;",
+                        "using MinecraftClient;",
+                        "namespace ScriptLoader {",
+                        "public class Script {",
+                        "public CSharpAPI MCC;",
+                        "public object __run(CSharpAPI __apiHandler, string[] args) {",
+                            "this.MCC = __apiHandler;",
+                            String.Join("\n", script),
+                        "}",
+                            String.Join("\n", extensions),
+                        "}}",
+                    });
+
+                    //Compile the C# class in memory using all the currently loaded assemblies
+                    CSharpCodeProvider compiler = new CSharpCodeProvider();
+                    CompilerParameters parameters = new CompilerParameters();
+                    parameters.ReferencedAssemblies
+                        .AddRange(AppDomain.CurrentDomain
+                                .GetAssemblies()
+                                .Where(a => !a.IsDynamic)
+                                .Select(a => a.Location).ToArray());
+                    parameters.CompilerOptions = "/t:library";
+                    parameters.GenerateInMemory = true;
+                    CompilerResults result = compiler.CompileAssemblyFromSource(parameters, code);
+
+                    //Process compile warnings and errors
+                    if (result.Errors.Count > 0)
+                        throw new CSharpException(CSErrorType.LoadError,
+                            new InvalidOperationException(result.Errors[0].ErrorText));
+
+                    //Retrieve compiled assembly
+                    assembly = result.CompiledAssembly;
+                    if (Settings.CacheScripts)
+                        CompileCache[scriptHash] = result.CompiledAssembly;
+                }
+                else if (Settings.CacheScripts)
+                    assembly = CompileCache[scriptHash];
+            }
+
+            //Run the compiled assembly with exception handling
+            if (run)
+            {
+                try
+                {
+                    object compiledScript
+                        = CompileCache[scriptHash].CreateInstance("ScriptLoader.Script");
+                    return
+                        compiledScript
+                        .GetType()
+                        .GetMethod("__run")
+                        .Invoke(compiledScript,
+                            new object[] { new CSharpAPI(apiHandler, tickHandler), args });
+                }
+                catch (Exception e) { throw new CSharpException(CSErrorType.RuntimeError, e); }
+            }
+            else return null;
+        }
+
+        /// <summary>
+        /// Quickly calculate a hash for the given script
+        /// </summary>
+        /// <param name="lines">script lines</param>
+        /// <returns>Quick hash as unsigned long</returns>
+        private static ulong QuickHash(string[] lines)
+        {
+            ulong hashedValue = 3074457345618258791ul;
+            for (int i = 0; i < lines.Length; i++)
+            {
+                for (int j = 0; j < lines[i].Length; j++)
+                {
+                    hashedValue += lines[i][j];
+                    hashedValue *= 3074457345618258799ul;
+                }
+                hashedValue += '\n';
+                hashedValue *= 3074457345618258799ul;
+            }
+            return hashedValue;
+        }
+    }
+
+    /// <summary>
+    /// Describe a C# script error type
+    /// </summary>
+    public enum CSErrorType { FileReadError, InvalidScript, LoadError, RuntimeError };
+
+    /// <summary>
+    /// Describe a C# script error with associated error type
+    /// </summary>
+    public class CSharpException : Exception
+    {
+        private CSErrorType _type;
+        public CSErrorType ExceptionType { get { return _type; } }
+        public override string Message { get { return InnerException.Message; } }
+        public override string ToString() { return InnerException.ToString(); }
+        public CSharpException(CSErrorType type, Exception inner)
+            : base(inner != null ? inner.Message : "", inner)
+        {
+            _type = type;
+        }
+    }
+
+    /// <summary>
+    /// Represents the C# API object accessible from C# Scripts
+    /// </summary>
+    public class CSharpAPI : ChatBot
+    {
+        /// <summary>
+        /// Thread blocking utility for stopping execution when making a ChatBot API call
+        /// </summary>
+        private ManualResetEvent tickHandler;
+
+        /// <summary>
+        /// Create a new C# API Wrapper
+        /// </summary>
+        /// <param name="apiHandler">ChatBot API Handler</param>
+        /// <param name="tickHandler">ChatBot tick handler</param>
+        public CSharpAPI(ChatBot apiHandler, ManualResetEvent tickHandler)
+        {
+            SetMaster(apiHandler);
+            this.tickHandler = tickHandler;
+        }
+
+        /* == Wrappers for ChatBot API with public visibility and call limit to one per tick for safety == */
+
+        /// <summary>
+        /// Write some text in the console. Nothing will be sent to the server.
+        /// </summary>
+        /// <param name="text">Log text to write</param>
+        new public void LogToConsole(object text)
+        {
+            base.LogToConsole(text);
+        }
+
+        /// <summary>
+        /// Send text to the server. Can be anything such as chat messages or commands
+        /// </summary>
+        /// <param name="text">Text to send to the server</param>
+        /// <returns>True if the text was sent with no error</returns>
+        new public bool SendText(object text)
+        {
+            bool result = base.SendText(text is string ? (string)text : text.ToString());
+            tickHandler.WaitOne();
+            Thread.Sleep(1000);
+            return result;
+        }
+
+        /// <summary>
+        /// Perform an internal MCC command (not a server command, use SendText() instead for that!)
+        /// </summary>
+        /// <param name="command">The command to process</param>
+        /// <returns>TRUE if the command was indeed an internal MCC command</returns>
+        new public bool PerformInternalCommand(string command)
+        {
+            bool result = base.PerformInternalCommand(command);
+            tickHandler.WaitOne();
+            return result;
+        }
+
+        /// <summary>
+        /// Disconnect from the server and restart the program
+        /// It will unload and reload all the bots and then reconnect to the server
+        /// </summary>
+        /// <param name="extraAttempts">If connection fails, the client will make X extra attempts</param>
+        new public void ReconnectToTheServer(int extraAttempts = -999999)
+        {
+            if (extraAttempts == -999999)
+                base.ReconnectToTheServer();
+            else base.ReconnectToTheServer(extraAttempts);
+            tickHandler.WaitOne();
+        }
+
+        /// <summary>
+        /// Disconnect from the server and exit the program
+        /// </summary>
+        new public void DisconnectAndExit()
+        {
+            base.DisconnectAndExit();
+            tickHandler.WaitOne();
+        }
+
+        /// <summary>
+        /// Load the provided ChatBot object
+        /// </summary>
+        /// <param name="bot">Bot to load</param>
+        new public void LoadBot(ChatBot bot)
+        {
+            base.LoadBot(bot);
+            tickHandler.WaitOne();
+        }
+
+        /* == Additional Methods useful for Script API == */
+
+        /// <summary>
+        /// Get a global variable by name
+        /// </summary>
+        /// <param name="varName">Name of the variable</param>
+        /// <returns>Value of the variable or null if no variable</returns>
+        public object GetVar(string varName)
+        {
+            return Settings.GetVar(varName);
+        }
+
+        /// <summary>
+        /// Get a global variable by name, as a string
+        /// </summary>
+        /// <param name="varName">Name of the variable</param>
+        /// <returns>Value of the variable as string, or null if no variable</returns>
+        public string GetVarAsString(string varName)
+        {
+            object val = GetVar(varName);
+            if (val != null)
+                return val.ToString();
+            return null;
+        }
+
+        /// <summary>
+        /// Get a global variable by name, as an integer
+        /// </summary>
+        /// <param name="varName">Name of the variable</param>
+        /// <returns>Value of the variable as int, or 0 if no variable or not a number</returns>
+        public int GetVarAsInt(string varName)
+        {
+            if (GetVar(varName) is int)
+                return (int)GetVar(varName);
+            int result;
+            if (int.TryParse(GetVarAsString(varName), out result))
+                return result;
+            return 0;
+        }
+
+        /// <summary>
+        /// Get a global variable by name, as a boolean
+        /// </summary>
+        /// <param name="varName">Name of the variable</param>
+        /// <returns>Value of the variable as bool, or false if no variable or not a boolean</returns>
+        public bool GetVarAsBool(string varName)
+        {
+            if (GetVar(varName) is bool)
+                return (bool)GetVar(varName);
+            bool result;
+            if (bool.TryParse(GetVarAsString(varName), out result))
+                return result;
+            return false;
+        }
+
+        /// <summary>
+        /// Set a global variable for further use in any other script
+        /// </summary>
+        /// <param name="varName">Name of the variable</param>
+        /// <param name="varValue">Value of the variable</param>
+        public bool SetVar(string varName, object varValue)
+        {
+            return Settings.SetVar(varName, varValue);
+        }
+
+        /// <summary>
+        /// Load login/password using an account alias and optionally reconnect to the server
+        /// </summary>
+        /// <param name="accountAlias">Account alias</param>
+        /// <param name="andReconnect">Set to true to reconnecto to the server afterwards</param>
+        /// <returns>True if the account was found and loaded</returns>
+        public bool SetAccount(string accountAlias, bool andReconnect = false)
+        {
+            bool result = Settings.SetAccount(accountAlias);
+            if (result && andReconnect)
+                ReconnectToTheServer();
+            return result;
+        }
+
+        /// <summary>
+        /// Load new server information and optionally reconnect to the server
+        /// </summary>
+        /// <param name="server">"serverip:port" couple or server alias</param>
+        /// <returns>True if the server IP was valid and loaded, false otherwise</returns>
+        public bool SetServer(string server, bool andReconnect = false)
+        {
+            bool result = Settings.SetServerIP(server);
+            if (result && andReconnect)
+                ReconnectToTheServer();
+            return result;
+        }
+
+        /// <summary>
+        /// Synchronously call another script and retrieve the result
+        /// </summary>
+        /// <param name="script">Script to call</param>
+        /// <param name="args">Arguments to pass to the script</param>
+        /// <returns>An object returned by the script, or null</returns>
+        public object CallScript(string script, string[] args)
+        {
+            string[] lines = null;
+            ChatBots.Script.LookForScript(ref script);
+            try { lines = File.ReadAllLines(script); }
+            catch (Exception e) { throw new CSharpException(CSErrorType.FileReadError, e); }
+            return CSharpRunner.Run(this, tickHandler, lines, args);
+        }
+    }
+}

MinecraftClient/ChatBot.cs

@@ -85,12 +85,10 @@ namespace MinecraftClient
         /// <param name="text">Text to send to the server</param>
         /// <returns>True if the text was sent with no error</returns>
 
-        protected bool SendText(object text)
+        protected bool SendText(string text)
         {
             LogToConsole("Sending '" + text + "'");
-            bool result = Handler.SendText(text is string ? (string)text : text.ToString());
+            return Handler.SendText(text);
-            Thread.Sleep(1000);
-            return result;
         }
 
         /// <summary>
@@ -348,7 +346,7 @@ namespace MinecraftClient
         /// </summary>
         /// <param name="text">Log text to write</param>
 
-        public void LogToConsole(object text)
+        protected void LogToConsole(object text)
         {
             ConsoleIO.WriteLogLine(String.Format("[{0}] {1}", this.GetType().Name, text));
             string logfile = Settings.ExpandVars(Settings.chatbotLogFile);
@@ -458,59 +456,5 @@ namespace MinecraftClient
                 return new string[0];
             }
         }
-
-        /// <summary>
-        /// Set a custom %variable% which will be available through expandVars()
-        /// </summary>
-        /// <param name="varName">Name of the variable</param>
-        /// <param name="varData">Value of the variable</param>
-        /// <returns>True if the parameters were valid</returns>
-
-        protected static bool SetVar(string varName, object varData)
-        {
-            return Settings.SetVar(varName, varData.ToString());
-        }
-
-        /// <summary>
-        /// Get a custom %variable% or null if the variable does not exist
-        /// </summary>
-        /// <param name="varName">Variable name</param>
-        /// <returns>The value or null if the variable does not exists</returns>
-
-        protected static string GetVar(string varName)
-        {
-            return Settings.GetVar(varName);
-        }
-
-        /// <summary>
-        /// Get a custom %variable% as an Integer or null if the variable does not exist
-        /// </summary>
-        /// <param name="varName">Variable name</param>
-        /// <returns>The value or null if the variable does not exists</returns>
-
-        protected static int GetVarAsInt(string varName)
-        {
-            return Settings.str2int(Settings.GetVar(varName));
-        }
-
-        /// <summary>
-        /// Load login/password using an account alias
-        /// </summary>
-        /// <returns>True if the account was found and loaded</returns>
-
-        protected static bool SetAccount(string accountAlias)
-        {
-            return Settings.SetAccount(accountAlias);
-        }
-
-        /// <summary>
-        /// Load server information in ServerIP and ServerPort variables from a "serverip:port" couple or server alias
-        /// </summary>
-        /// <returns>True if the server IP was valid and loaded, false otherwise</returns>
-
-        protected static bool SetServerIP(string server)
-        {
-            return Settings.SetServerIP(server);
-        }
     }
 }

MinecraftClient/ChatBots/Script.cs

@@ -5,6 +5,7 @@ using System.Text;
 using System.Threading;
 using Microsoft.CSharp;
 using System.CodeDom.Compiler;
+using System.Reflection;
 
 namespace MinecraftClient.ChatBots
 {
@@ -143,8 +144,18 @@ namespace MinecraftClient.ChatBots
                     tpause = new ManualResetEvent(false);
                     thread = new Thread(() =>
                     {
-                        if (!RunCSharpScript() && owner != null)
+                        try
-                            SendPrivateMessage(owner, "Script '" + file + "' failed to run.");
+                        {
+                            CSharpRunner.Run(this, tpause, lines, args);
+                        }
+                        catch (CSharpException e)
+                        {
+                            string errorMessage = "Script '" + file + "' failed to run (" + e.ExceptionType + ").";
+                            LogToConsole(errorMessage);
+                            if (owner != null)
+                                SendPrivateMessage(owner, errorMessage);
+                            LogToConsole(e.InnerException);
+                        }
                     });
                     thread.Start();
                 }
@@ -154,7 +165,7 @@ namespace MinecraftClient.ChatBots
                 {
                     tpause.Set();
                     tpause.Reset();
-                    if (thread.Join(100))
+                    if (!thread.IsAlive)
                         UnloadBot();
                 }
             }
@@ -205,84 +216,5 @@ namespace MinecraftClient.ChatBots
                 }
             }
         }
-
-        private bool RunCSharpScript()
-        {
-            //Script compatibility check for handling future versions differently
-            if (lines.Length < 1 || lines[0] != "//MCCScript 1.0")
-            {
-                LogToConsole("Script file '" + file + "' does not start with a valid //MCCScript identifier.");
-                return false;
-            }
-
-            //Process different sections of the script file
-            bool scriptMain = true;
-            List<string> script = new List<string>();
-            List<string> extensions = new List<string>();
-            foreach (string line in lines)
-            {
-                if (line.StartsWith("//MCCScript"))
-                {
-                    if (line.EndsWith("Extensions"))
-                        scriptMain = false;
-                }
-                else if (scriptMain)
-                {
-                    script.Add(line);
-                    //Add breakpoints for step-by-step execution of the script
-                    if (tpause != null && line.Trim().EndsWith(";"))
-                        script.Add("tpause.WaitOne();");
-                }
-                else extensions.Add(line);
-            }
-
-            //Generate a ChatBot class, allowing access to the ChatBot API
-            string code = String.Join("\n", new string[]
-            {
-                "using System;",
-                "using System.IO;",
-                "using System.Threading;",
-                "using MinecraftClient;",
-                "namespace ScriptLoader {",
-                "public class Script : ChatBot {",
-                "public void __run(ChatBot master, ManualResetEvent tpause, string[] args) {",
-                "SetMaster(master);",
-                    String.Join("\n", script),
-                "}",
-                    String.Join("\n", extensions),
-                "}}",
-            });
-
-            //Compile the C# class in memory using all the currently loaded assemblies
-            CSharpCodeProvider compiler = new CSharpCodeProvider();
-            CompilerParameters parameters = new CompilerParameters();
-            parameters.ReferencedAssemblies
-                .AddRange(AppDomain.CurrentDomain
-                        .GetAssemblies()
-                        .Where(a => !a.IsDynamic)
-                        .Select(a => a.Location).ToArray());
-            parameters.CompilerOptions = "/t:library";
-            parameters.GenerateInMemory = true;
-            CompilerResults result
-                = compiler.CompileAssemblyFromSource(parameters, code);
-
-            //Process compile warnings and errors
-            if (result.Errors.Count > 0)
-            {
-                LogToConsole("Error loading '" + file + "':\n" + result.Errors[0].ErrorText);
-                return false;
-            }
-
-            //Run the compiled script with exception handling
-            object compiledScript = result.CompiledAssembly.CreateInstance("ScriptLoader.Script");
-            try { compiledScript.GetType().GetMethod("__run").Invoke(compiledScript, new object[] { this, tpause, args }); }
-            catch (Exception e)
-            {
-                LogToConsole("Runtime error for '" + file + "':\n" + e);
-                return false;
-            }
-
-            return true;
-        }
     }
 }

MinecraftClient/MinecraftClient.csproj

@@ -113,6 +113,7 @@
     <Compile Include="Crypto\Streams\MonoAesStream.cs" />
     <Compile Include="Crypto\Streams\RegularAesStream.cs" />
     <Compile Include="Crypto\CryptoHandler.cs" />
+    <Compile Include="CSharpRunner.cs" />
     <Compile Include="Protocol\Handlers\Compression\CRC32.cs" />
     <Compile Include="Protocol\Handlers\Compression\Deflate.cs" />
     <Compile Include="Protocol\Handlers\Compression\GZipStream.cs" />

MinecraftClient/Settings.cs

@@ -45,6 +45,7 @@ namespace MinecraftClient
         public static char internalCmdChar = '/';
         public static bool playerHeadAsIcon = false;
         public static string chatbotLogFile = "";
+        public static bool CacheScripts = true;
 
         //AntiAFK Settings
         public static bool AntiAFK_Enabled = false;
@@ -94,7 +95,7 @@ namespace MinecraftClient
         public static string AutoRespond_Matches = "matches.ini";
 
         //Custom app variables and Minecraft accounts
-        private static readonly Dictionary<string, string> AppVars = new Dictionary<string, string>();
+        private static readonly Dictionary<string, object> AppVars = new Dictionary<string, object>();
         private static readonly Dictionary<string, KeyValuePair<string, string>> Accounts = new Dictionary<string, KeyValuePair<string, string>>();
         private static readonly Dictionary<string, KeyValuePair<string, ushort>> Servers = new Dictionary<string, KeyValuePair<string, ushort>>();
 
@@ -159,6 +160,7 @@ namespace MinecraftClient
                                                 case "chatbotlogfile": chatbotLogFile = argValue; break;
                                                 case "mcversion": ServerVersion = argValue; break;
                                                 case "splitmessagedelay": splitMessageDelay = TimeSpan.FromSeconds(str2int(argValue)); break;
+                                                case "scriptcache": CacheScripts = str2bool(argValue); break;
 
                                                 case "botowners":
                                                     Bots_Owners.Clear();
@@ -366,6 +368,7 @@ namespace MinecraftClient
                 + "serverlist=servers.txt\r\n"
                 + "playerheadicon=true\r\n"
                 + "exitonfailure=false\r\n"
+                + "scriptcache=true\r\n"
                 + "timestamps=false\r\n"
                 + "\r\n"
                 + "[AppVars]\r\n"
@@ -491,7 +494,7 @@ namespace MinecraftClient
         /// <param name="varData">Value of the variable</param>
         /// <returns>True if the parameters were valid</returns>
 
-        public static bool SetVar(string varName, string varData)
+        public static bool SetVar(string varName, object varData)
         {
             lock (AppVars)
             {
@@ -511,7 +514,7 @@ namespace MinecraftClient
         /// <param name="varName">Variable name</param>
         /// <returns>The value or null if the variable does not exists</returns>
 
-        public static string GetVar(string varName)
+        public static object GetVar(string varName)
         {
             if (AppVars.ContainsKey(varName))
                 return AppVars[varName];
@@ -559,7 +562,7 @@ namespace MinecraftClient
                             default:
                                 if (AppVars.ContainsKey(varname_lower))
                                 {
-                                    result.Append(AppVars[varname_lower]);
+                                    result.Append(AppVars[varname_lower].ToString());
                                 }
                                 else result.Append("%" + varname + '%');
                                 break;

MinecraftClient/config/sample-script-extended.cs

@@ -9,8 +9,8 @@ if (args.Length > 0)
    
 for (int i = 0; i < 5; i++)
 {
-    int count = GetVarAsInt("test") + 1;
+    int count = MCC.GetVarAsInt("test") + 1;
-    SetVar("test", count);
+    MCC.SetVar("test", count);
     SendHelloWorld(count, text);
     SleepBetweenSends();
 }
@@ -21,15 +21,11 @@ for (int i = 0; i < 5; i++)
 
 void SendHelloWorld(int count, string text)
 {
-    /* Warning: Do not make more than one server-related call into a method
+    MCC.SendText("Hello World no. " + count + ": " + text);
-     * defined as a script extension eg SendText or switching servers,
-     * as execution flow is not managed in the Extensions section */
-
-    SendText("Hello World no. " + count + ": " + text);
 }
 
 void SleepBetweenSends()
 {
-    LogToConsole("Sleeping for 5 seconds...");
+    MCC.LogToConsole("Sleeping for 5 seconds...");
     Thread.Sleep(5000);
 }

MinecraftClient/config/sample-script-with-chatbot.cs

@@ -3,7 +3,7 @@
 /* This is a sample script that will load a ChatBot into Minecraft Console Client
  * Simply execute the script once with /script or the script scheduler to load the bot */
 
-LoadBot(new ExampleBot());
+MCC.LoadBot(new ExampleBot());
 
 //MCCScript Extensions
 

MinecraftClient/config/sample-script.cs

@@ -2,13 +2,13 @@
 
 /* This is a sample script for Minecraft Console Client
  * The code provided in this file will be compiled at runtime and executed
- * Allowed instructions: Any C# code AND all methods provided by the bot API */
+ * Allowed instructions: Any C# code AND methods provided by the MCC API */
 
 for (int i = 0; i < 5; i++)
 {
-    int count = GetVarAsInt("test") + 1;
+    int count = MCC.GetVarAsInt("test") + 1;
-    SetVar("test", count);
+    MCC.SetVar("test", count);
-    SendText("Hello World no. " + count);
+    MCC.SendText("Hello World no. " + count);
-    LogToConsole("Sleeping for 5 seconds...");
+    MCC.LogToConsole("Sleeping for 5 seconds...");
     Thread.Sleep(5000);
 }