diff --git a/GCDC/DiscordEngineInjectionPatch.cs b/GCDC/DiscordEngineInjectionPatch.cs
index 1af4a60..1f7bfcd 100644
--- a/GCDC/DiscordEngineInjectionPatch.cs
+++ b/GCDC/DiscordEngineInjectionPatch.cs
@@ -1,9 +1,11 @@
 using System;
 using System.Reflection;
+using Gamecraft.Blocks.ConsoleBlock;
 using Harmony;
 using RobocraftX;
 using RobocraftX.GUI.CommandLine;
 using RobocraftX.Multiplayer;
+using RobocraftX.StateSync;
 using Svelto.Context;
 using Svelto.ECS;
 using Unity.Entities;
@@ -14,18 +16,24 @@ namespace GCDC
     [HarmonyPatch]
     public class DiscordEngineInjectionPatch
     {
-        static void Postfix(UnityContext<FullGameCompositionRoot> contextHolder, EnginesRoot enginesRoot, World physicsWorld, Action reloadGame, MultiplayerInitParameters multiplayerParameters)
+        static void Postfix(EnginesRoot enginesRoot, ref StateSyncRegistrationHelper stateSyncReg, bool isAuthoritative)
         {
-            enginesRoot.AddEngine(new TextBlockUpdateEngine());
-            Debug.Log($"Added text block update engine");
+            if (isAuthoritative)
+            {
+                stateSyncReg.AddEngine(new TextBlockUpdateEngine());
+                Debug.Log($"Added Discord text block update engine");
+            }
+            else
+                Debug.Log("Not authoritative, not adding Discord engine");
         }
 
         static MethodBase TargetMethod(HarmonyInstance instance)
         {
-            return _ComposeMethodInfo(CommandLineCompositionRoot.Compose<UnityContext<FullGameCompositionRoot>>);
+            return _ComposeMethodInfo(ConsoleBlockCompositionRoot.Compose);
         }
 
-        private static MethodInfo _ComposeMethodInfo(Action<UnityContext<FullGameCompositionRoot>, EnginesRoot, World, Action, MultiplayerInitParameters> a)
+        private delegate void ComposeAction(EnginesRoot er, ref StateSyncRegistrationHelper ssrh, bool isAuthoritative);
+        private static MethodInfo _ComposeMethodInfo(ComposeAction a)
         {
             return a.Method;
         }
diff --git a/GCDC/GCDCPlugin.cs b/GCDC/GCDCPlugin.cs
index 3697ebe..28808f1 100644
--- a/GCDC/GCDCPlugin.cs
+++ b/GCDC/GCDCPlugin.cs
@@ -1,4 +1,7 @@
-using IllusionPlugin;
+using System.Reflection;
+using Harmony;
+using IllusionPlugin;
+using UnityEngine;
 
 namespace GCDC
 {
@@ -6,35 +9,39 @@ namespace GCDC
     {
         public string Name { get; } = "GCDC";
         public string Version { get; } = "v0.0.1";
+        public static HarmonyInstance harmony { get; protected set; }
+        public const string HarmonyID = "io.github.norbipeti.GCDC";
         
         public void OnApplicationStart()
         {
-            throw new System.NotImplementedException();
+            if (harmony == null)
+            {
+                harmony = HarmonyInstance.Create(HarmonyID);
+                harmony.PatchAll(Assembly.GetExecutingAssembly());
+            }
+
+            Debug.Log("GCDC loaded");
         }
 
         public void OnApplicationQuit()
         {
-            throw new System.NotImplementedException();
+            harmony?.UnpatchAll(HarmonyID);
         }
 
         public void OnLevelWasLoaded(int level)
         {
-            throw new System.NotImplementedException();
         }
 
         public void OnLevelWasInitialized(int level)
         {
-            throw new System.NotImplementedException();
         }
 
         public void OnUpdate()
         {
-            throw new System.NotImplementedException();
         }
 
         public void OnFixedUpdate()
         {
-            throw new System.NotImplementedException();
         }
     }
 }
\ No newline at end of file
diff --git a/GCDC/TextBlockUpdateEngine.cs b/GCDC/TextBlockUpdateEngine.cs
index ac1bb0b..02bb931 100644
--- a/GCDC/TextBlockUpdateEngine.cs
+++ b/GCDC/TextBlockUpdateEngine.cs
@@ -1,7 +1,13 @@
+using System.Collections.Generic;
+using System.Linq;
+using RobocraftX.Blocks.GUI;
+using RobocraftX.Common;
 using RobocraftX.Common.Input;
 using RobocraftX.Common.Utilities;
+using RobocraftX.SimulationModeState;
 using RobocraftX.StateSync;
 using Svelto.ECS;
+using Svelto.ECS.Experimental;
 using Unity.Jobs;
 using uREPL;
 
@@ -14,12 +20,30 @@ namespace GCDC
         }
 
         public IEntitiesDB entitiesDB { get; set; }
-        public JobHandle SimulatePhysicsStep(in float deltaTime, in PhysicsUtility utility, in PlayerInput[] playerInputs)
+        public string name { get; } = "GCDC-TextUpdate";
+        private volatile Queue<string> messages = new Queue<string>();
+        private volatile bool updatedTextBlock;
+        
+        public JobHandle SimulatePhysicsStep(
+            in float deltaTime,
+            in PhysicsUtility utility,
+            in PlayerInput[] playerInputs) //Gamecraft.Blocks.ConsoleBlock.dll
         {
-            //TODO
+            if (updatedTextBlock)
+                return new JobHandle();
+            var txt = messages.Count > 0 ? messages.Aggregate((current, msg) => current + "\n" + msg) : "<No messages yet>";
+            RuntimeCommands.Call("ChangeTextBlockCommand", "Discord", txt);
+            updatedTextBlock = true;
+
             return new JobHandle();
         }
 
-        public string name { get; } = "GCDC-TextUpdate";
+        public void AddMessage(string message)
+        {
+            messages.Enqueue(message);
+            if (messages.Count > 10)
+                messages.Dequeue();
+            updatedTextBlock = false;
+        }
     }
 }
\ No newline at end of file