Merge 72fce754ae into 75191a83f7

Fix: Send minimal DeclareCommands packet when no Limbo commands available

pom.xml

@@ -24,7 +24,7 @@
 	<groupId>com.loohp</groupId>
 	<artifactId>Limbo</artifactId>
 	<name>Limbo</name>
-	<version>0.7.15-ALPHA</version>
+	<version>0.7.16-ALPHA</version>
 	
 	<description>Standalone Limbo Minecraft Server.</description>
 	<url>https://github.com/LOOHP/Limbo</url>
@@ -229,7 +229,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
-			<version>3.14.0</version>
+			<version>3.18.0</version>
 		</dependency>
 		<dependency>
 			<groupId>com.github.Querz</groupId>

src/main/java/com/loohp/limbo/utils/DeclareCommands.java

@@ -34,13 +34,19 @@ public class DeclareCommands {
 	public static PacketPlayOutDeclareCommands getDeclareCommandsPacket(CommandSender sender) throws IOException {
 		List<String> commands = Limbo.getInstance().getPluginManager().getTabOptions(sender, new String[0]);
 		
-		if (commands.isEmpty()) {
-			return null;
-		}
-		
 		ByteArrayOutputStream buffer = new ByteArrayOutputStream();		
 		DataOutputStream output = new DataOutputStream(buffer);
 
+		if (commands.isEmpty()) {
+            DataTypeIO.writeVarInt(output, 1);
+
+            output.writeByte(0);
+            DataTypeIO.writeVarInt(output, 0);
+            DataTypeIO.writeVarInt(output, 0);
+
+            return new PacketPlayOutDeclareCommands(buffer.toByteArray());
+        }
+
 		DataTypeIO.writeVarInt(output, commands.size() * 2 + 1);
 		
 		output.writeByte(0);