feat: ability to change Minecraft version in query (PowerNukkitX#1413)

* feat: ability to change Minecraft version in query

* removed v

* Added annotations

Author: KoshakMineDEV

src/main/java/cn/nukkit/event/server/QueryRegenerateEvent.java

@@ -2,8 +2,11 @@
 
 import cn.nukkit.Player;
 import cn.nukkit.Server;
+import cn.nukkit.api.PowerNukkitXOnly;
+import cn.nukkit.api.Since;
 import cn.nukkit.event.HandlerList;
 import cn.nukkit.nbt.stream.FastByteArrayOutputStream;
+import cn.nukkit.network.protocol.ProtocolInfo;
 import cn.nukkit.plugin.Plugin;
 import cn.nukkit.plugin.PluginDescription;
 import cn.nukkit.utils.Binary;
@@ -35,7 +38,7 @@ public static HandlerList getHandlers() {
     private Player[] players;
 
     private final String gameType;
-    private final String version;
+    private String version;
     private final String server_engine;
     private String map;
     private int numPlayers;
@@ -57,7 +60,7 @@ public QueryRegenerateEvent(Server server, int timeout) {
         this.plugins = server.getPluginManager().getPlugins().values().toArray(Plugin.EMPTY_ARRAY);
         this.players = server.getOnlinePlayers().values().toArray(Player.EMPTY_ARRAY);
         this.gameType = (server.getGamemode() & 0x01) == 0 ? "SMP" : "CMP";
-        this.version = server.getVersion();
+        this.version = ProtocolInfo.MINECRAFT_VERSION_NETWORK;
         this.server_engine = server.getName() + " " + server.getNukkitVersion() + " ("+server.getGitCommit()+")";
         this.map = server.getDefaultLevel() == null ? "unknown" : server.getDefaultLevel().getName();
         this.numPlayers = this.players.length;
@@ -107,6 +110,18 @@ public void setPlayerList(Player[] players) {
         this.players = players;
     }
 
+    @PowerNukkitXOnly
+    @Since("1.20.40-r2")
+    public String getVersion() {
+        return this.version;
+    }
+
+    @PowerNukkitXOnly
+    @Since("1.20.40-r2")
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
     public int getPlayerCount() {
         return this.numPlayers;
     }

src/main/java/cn/nukkit/network/RakNetInterface.java

@@ -3,6 +3,7 @@
 import cn.nukkit.Player;
 import cn.nukkit.Server;
 import cn.nukkit.api.PowerNukkitOnly;
+import cn.nukkit.api.PowerNukkitXDifference;
 import cn.nukkit.api.Since;
 import cn.nukkit.event.player.PlayerCreationEvent;
 import cn.nukkit.event.server.QueryRegenerateEvent;
@@ -11,6 +12,7 @@
 import cn.nukkit.network.session.NetworkPlayerSession;
 import cn.nukkit.network.session.RakNetPlayerSession;
 import cn.nukkit.utils.Utils;
+import static cn.nukkit.utils.Utils.dynamic;
 import com.google.common.base.Strings;
 import com.nukkitx.network.raknet.RakNetServer;
 import com.nukkitx.network.raknet.RakNetServerListener;
@@ -154,6 +156,7 @@ public void sendRawPacket(InetSocketAddress socketAddress, ByteBuf payload) {
         this.raknet.send(socketAddress, payload);
     }
 
+    @PowerNukkitXDifference(since = "1.20.40-r2", info = "now Minecraft version in query same as in the query information")
     @Override
     public void setName(String name) {
         QueryRegenerateEvent info = this.server.getQueryInformation();
@@ -164,7 +167,7 @@ public void setName(String name) {
                 .add("MCPE")
                 .add(motd)
                 .add(Integer.toString(ProtocolInfo.CURRENT_PROTOCOL))
-                .add(ProtocolInfo.MINECRAFT_VERSION_NETWORK)
+                .add(dynamic(info.getVersion()))
                 .add(Integer.toString(info.getPlayerCount()))
                 .add(Integer.toString(info.getMaxPlayerCount()))
                 .add(Long.toString(this.raknet.getGuid()))