Added warning message if chat message is longer than 256 characters.

connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockCommandRequestTranslator.java

@@ -45,7 +45,14 @@ public class BedrockCommandRequestTranslator extends PacketTranslator<CommandReq
         if (session.getConnector().getPlatformType() == PlatformType.STANDALONE && command.startsWith("geyser ") && commandMap.getCommands().containsKey(command.split(" ")[1])) {
             commandMap.runCommand(session, command);
         } else {
-            ClientChatPacket chatPacket = new ClientChatPacket(packet.getCommand());
+            String message = packet.getCommand().trim();
+
+            if (message.length() > 256) {
+                session.sendMessage("Your message is bigger than 256 characters (" + message.length() + ") so it has not been sent.");
+                return;
+            }
+
+            ClientChatPacket chatPacket = new ClientChatPacket(message);
             session.getDownstream().getSession().send(chatPacket);
         }
     }

connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockTextTranslator.java

@@ -38,12 +38,26 @@ public class BedrockTextTranslator extends PacketTranslator<TextPacket> {
     @Override
     public void translate(TextPacket packet, GeyserSession session) {
         if (packet.getMessage().charAt(0) == '.') {
-            ClientChatPacket chatPacket = new ClientChatPacket(packet.getMessage().replace(".", "/"));
+            String message = packet.getMessage().replace(".", "/").trim();
+
+            if (message.length() > 256) {
+                session.sendMessage("Your message is bigger than 256 characters (" + message.length() + ") so it has not been sent.");
+                return;
+            }
+
+            ClientChatPacket chatPacket = new ClientChatPacket(message);
             session.getDownstream().getSession().send(chatPacket);
             return;
         }
 
-        ClientChatPacket chatPacket = new ClientChatPacket(packet.getMessage());
+        String message = packet.getMessage().trim();
+
+        if (message.length() > 256) {
+            session.sendMessage("Your message is bigger than 256 characters (" + message.length() + ") so it has not been sent.");
+            return;
+        }
+
+        ClientChatPacket chatPacket = new ClientChatPacket(message);
         session.getDownstream().getSession().send(chatPacket);
     }
 }