Add configuration for declare commands and player list

src/main/java/ru/nanit/limbo/configuration/LimboConfig.java

@@ -33,6 +33,7 @@ import java.net.SocketAddress;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.List;
 
 public final class LimboConfig {
 
@@ -50,10 +51,13 @@ public final class LimboConfig {
     private boolean useJoinMessage;
     private boolean useBossBar;
     private boolean useTitle;
+    private boolean useDeclareCommands;
+    private boolean usePlayerList;
     private String brandName;
     private String joinMessage;
     private BossBar bossBar;
     private Title title;
+    private List<String> declareCommands;
 
     private InfoForwarding infoForwarding;
     private long readTimeout;
@@ -86,8 +90,10 @@ public final class LimboConfig {
         useJoinMessage = conf.node("joinMessage", "enable").getBoolean();
         useBossBar = conf.node("bossBar", "enable").getBoolean();
         useTitle = conf.node("title", "enable").getBoolean();
+        useDeclareCommands = conf.node("declareCommands", "enable").getBoolean();
+        usePlayerList = conf.node("playerList").getBoolean();
 
-        if(useBrandName)
+        if (useBrandName)
             brandName = conf.node("brandName", "content").getString();
 
         if (useJoinMessage)
@@ -99,6 +105,9 @@ public final class LimboConfig {
         if (useTitle)
             title = conf.node("title").get(Title.class);
 
+        if (useDeclareCommands)
+            declareCommands = conf.node("declareCommands", "commands").getList(String.class);
+
         infoForwarding = conf.node("infoForwarding").get(InfoForwarding.class);
         readTimeout = conf.node("readTimeout").getLong();
         debugLevel = conf.node("debugLevel").getInt();
@@ -187,6 +196,14 @@ public final class LimboConfig {
         return useTitle;
     }
 
+    public boolean isUseDeclareCommands() {
+        return useDeclareCommands;
+    }
+
+    public boolean isUsePlayerList() {
+        return usePlayerList;
+    }
+
     public String getBrandName() {
         return brandName;
     }
@@ -203,6 +220,10 @@ public final class LimboConfig {
         return title;
     }
 
+    public List<String> getDeclareCommands() {
+        return declareCommands;
+    }
+
     public boolean isUseEpoll() {
         return useEpoll;
     }

src/main/java/ru/nanit/limbo/connection/ClientConnection.java

@@ -50,7 +50,6 @@ import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.security.InvalidKeyException;
 import java.security.MessageDigest;
-import java.util.Collections;
 import java.util.UUID;
 import java.util.concurrent.ThreadLocalRandom;
 
@@ -239,10 +238,14 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
         writePacket(PACKET_JOIN_GAME);
         writePacket(PACKET_PLAYER_ABILITIES);
         writePacket(PACKET_PLAYER_POS);
-        writePacket(PACKET_PLAYER_INFO);
+        if (PACKET_PLAYER_INFO != null) {
+            writePacket(PACKET_PLAYER_INFO);
+        }
 
         if (clientVersion.moreOrEqual(Version.V1_13)){
-            writePacket(PACKET_DECLARE_COMMANDS);
+            if (PACKET_DECLARE_COMMANDS != null)
+                writePacket(PACKET_DECLARE_COMMANDS);
+
 
             if (PACKET_PLUGIN_MESSAGE != null)
                 writePacket(PACKET_PLUGIN_MESSAGE);
@@ -426,15 +429,21 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
         info.setGameMode(server.getConfig().getGameMode());
         info.setUuid(uuid);
 
-        PacketDeclareCommands declareCommands = new PacketDeclareCommands();
-        declareCommands.setCommands(Collections.emptyList());
-
         PACKET_LOGIN_SUCCESS = PacketSnapshot.of(loginSuccess);
         PACKET_JOIN_GAME = PacketSnapshot.of(joinGame);
         PACKET_PLAYER_ABILITIES = PacketSnapshot.of(playerAbilities);
         PACKET_PLAYER_POS = PacketSnapshot.of(positionAndLook);
-        PACKET_PLAYER_INFO = PacketSnapshot.of(info);
+
-        PACKET_DECLARE_COMMANDS = PacketSnapshot.of(declareCommands);
+        if (server.getConfig().isUsePlayerList()) {
+            PACKET_PLAYER_INFO = PacketSnapshot.of(info);
+        }
+
+        if (server.getConfig().isUseDeclareCommands()) {
+            PacketDeclareCommands declareCommands = new PacketDeclareCommands();
+            declareCommands.setCommands(server.getConfig().getDeclareCommands());
+
+            PACKET_DECLARE_COMMANDS = PacketSnapshot.of(declareCommands);
+        }
 
         if (server.getConfig().isUseBrandName()){
             PacketPluginMessage pluginMessage = new PacketPluginMessage();

src/main/resources/settings.yml

@@ -19,6 +19,15 @@ ping:
 # Available dimensions: OVERWORLD, NETHER, THE_END
 dimension: THE_END
 
+# Sending prepared tabcomplete commands to the player
+declareCommands:
+  enable: true
+  commands:
+    - 'NanoLimbo'
+
+# Whether to display the player in the player list
+playerList: true
+
 # Spawn position in the world
 spawnPosition:
   x: 0.0