build.gradle

@@ -3,7 +3,7 @@ plugins {
 }
 
 group 'me.creepermaxcz.mc-bots'
-version '1.2.4'
+version '1.2.5'
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
@@ -11,11 +11,13 @@ targetCompatibility = 1.8
 repositories {
     mavenCentral()
     maven { url 'https://jitpack.io' }
-    maven { url 'https://repo.opencollab.dev/maven-releases' }
+    maven { url 'https://repo.opencollab.dev/maven-snapshots/' }
+    maven { url 'https://repo.opencollab.dev/maven-releases/' }
 }
 
 dependencies {
-    implementation 'com.github.GeyserMC:MCProtocolLib:1.19-1'
+    implementation 'com.github.steveice10:mcprotocollib:1.19.1-SNAPSHOT'
+    //implementation 'com.github.steveice10:mcprotocollib:1.19-1'
     implementation 'commons-cli:commons-cli:1.5.0'
     implementation 'com.diogonunes:JColor:5.2.0'
     implementation 'dnsjava:dnsjava:3.4.3'

src/main/java/me/creepermaxcz/mcbots/Bot.java

@@ -1,6 +1,7 @@
 package me.creepermaxcz.mcbots;
 
 import com.github.steveice10.mc.protocol.MinecraftProtocol;
+import com.github.steveice10.mc.protocol.data.game.LastSeenMessage;
 import com.github.steveice10.mc.protocol.packet.ingame.clientbound.ClientboundLoginPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.clientbound.entity.player.ClientboundPlayerPositionPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.serverbound.ServerboundChatCommandPacket;
@@ -16,6 +17,7 @@ import com.github.steveice10.packetlib.tcp.TcpClientSession;
 
 import java.net.InetSocketAddress;
 import java.time.Instant;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -108,13 +110,14 @@ public class Bot extends Thread {
 
         //send command
         if (text.startsWith("/")) {
-
             client.send(new ServerboundChatCommandPacket(
-                    text.substring(1), //remove slash on start
+                    text.substring(1),
                     timeStamp,
                     0,
-                    new HashMap<>(),
-                    true
+                    new ArrayList<>(),
+                    true,
+                    new ArrayList<>(),
+                    new LastSeenMessage(null, null)
             ));
         } else {
             //send chat message
@@ -123,7 +126,13 @@ public class Bot extends Thread {
             // tmpSignature will provide an empty byte array that can pretend it as signature.
             byte[] tmpSignature = new byte[0]; // Set it empty byte array.
             // salt is set 0 since this is offline server and no body will check it.
-            client.send(new ServerboundChatPacket(text, timeStamp, 0, tmpSignature, true));
+            client.send(new ServerboundChatPacket(text,
+                    timeStamp,
+                    0,
+                    new byte[0],
+                    true,
+                    new ArrayList<>(),
+                    new LastSeenMessage(null, null)));
         }
 
     }

src/main/java/me/creepermaxcz/mcbots/MainListener.java

@@ -20,12 +20,13 @@ public class MainListener implements SessionListener {
         // From 1.19.1 (as well as 1.19), the class ClientboundChatPacket was removed.
         // Instead, they use ClientboundPlayerChatPacket and ClientboundSystemChatPacket for taking care of chat packets.
         Component message = null;
-        if(packet instanceof ClientboundPlayerChatPacket) {
-            // Since we are working on offline server, salt will be 0.
-            message = ((ClientboundPlayerChatPacket) packet).getSignedContent(); // getSignedContent
+
+        if (packet instanceof ClientboundPlayerChatPacket) {
+            message = ((ClientboundPlayerChatPacket) packet).getMessageDecorated();
         } else if (packet instanceof ClientboundSystemChatPacket) {
             message = ((ClientboundSystemChatPacket) packet).getContent();
         }
+
         //Log.chat(message.toString());
         if (message instanceof TextComponent) {
             TextComponent msg = (TextComponent) message;