Add sessionId field to LoginSuccessPacket

api/src/main/java/xyz/jonesdev/sonar/api/antibot/protocol/ProtocolVersion.java

@@ -76,7 +76,8 @@ public enum ProtocolVersion {
   MINECRAFT_1_21_7(772, "1.21.7"),
   MINECRAFT_1_21_9(773, "1.21.9"),
   MINECRAFT_1_21_11(774, "1.21.11"),
-  MINECRAFT_26_1(775, "26.1");
+  MINECRAFT_26_1(775, "26.1"),
+  MINECRAFT_26_2(776, "26.2");
 
   private final int protocol;
   private final String name;

common/src/main/java/xyz/jonesdev/sonar/common/protocol/SonarPacketPreparer.java

@@ -105,7 +105,9 @@ public class SonarPacketPreparer {
   public final SonarPacket[] REGISTRY_SYNC_1_21_5 = RegistryDataPacket.of(DimensionRegistry.CODEC_1_21_5);
   public final SonarPacket[] REGISTRY_SYNC_1_21_11 = RegistryDataPacket.of(DimensionRegistry.CODEC_1_21_11);
   public final SonarPacket[] REGISTRY_SYNC_26_1 = RegistryDataPacket.of(DimensionRegistry.CODEC_26_1);
+  public final SonarPacket[] REGISTRY_SYNC_26_2 = RegistryDataPacket.of(DimensionRegistry.CODEC_26_2);
   public final SonarPacket TAGS_UPDATE_26_1 = UpdateTagsPacket.of(DimensionRegistry.TAGS_26_1);
+  public final SonarPacket TAGS_UPDATE_26_2 = UpdateTagsPacket.of(DimensionRegistry.TAGS_26_2);
   public final SonarPacket START_WRITING_CHUNKS = new GameEventPacket(13, 0);
   public final static SonarPacket INVALID_HELD_ITEM_SLOT = new SetHeldItemPacket(-1);
   public final SonarPacket RANDOM_KEEP_ALIVE = new SonarPacketSnapshot(new KeepAlivePacket(RANDOM.nextInt()));
@@ -152,7 +154,7 @@ public class SonarPacketPreparer {
     if (username.length() > 16) {
       username = username.substring(0, 16);
     }
-    loginSuccess = new SonarPacketSnapshot(new LoginSuccessPacket(uuid, username, true));
+    loginSuccess = new SonarPacketSnapshot(new LoginSuccessPacket(uuid, username, true, UUID.randomUUID()));
 
     // Prepare JoinGame packet
     joinGame = new SonarPacketSnapshot(new JoinGamePacket(PLAYER_ENTITY_ID,
@@ -162,7 +164,7 @@ public class SonarPacketPreparer {
       new String[]{"minecraft:overworld"}, "minecraft:overworld", "flat",
       DimensionType.OVERWORLD, RANDOM.nextLong() & 1337,
       false, true, false,
-      false, false, false, true));
+      false, false, false, true, false));
 
     // Prepare the gravity check
     maxMovementTick = Sonar.get0().getConfig().getVerification().getGravity().getMaxMovementTicks();
@@ -294,14 +296,18 @@ public class SonarPacketPreparer {
   }
 
   public static @Nullable SonarPacket getTagsPacket(final @NotNull ProtocolVersion protocolVersion) {
-    if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_26_1)) {
+    if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_26_2)) {
+      return TAGS_UPDATE_26_2;
+    } else if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_26_1)) {
       return TAGS_UPDATE_26_1;
     }
     return null; // apparently doesn't crash the client; we're safe... for now.
   }
 
   public static SonarPacket[] getRegistryPackets(final @NotNull ProtocolVersion protocolVersion) {
-    if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_26_1)) {
+    if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_26_2)) {
+      return REGISTRY_SYNC_26_2;
+    } else if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_26_1)) {
       return REGISTRY_SYNC_26_1;
     } else if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_1_21_11)) {
       return REGISTRY_SYNC_1_21_11;

common/src/main/java/xyz/jonesdev/sonar/common/protocol/dimension/DimensionRegistry.java

@@ -42,7 +42,9 @@ public final class DimensionRegistry {
   public final CompoundBinaryTag CODEC_1_21_5;
   public final CompoundBinaryTag CODEC_1_21_11;
   public final CompoundBinaryTag CODEC_26_1;
+  public final CompoundBinaryTag CODEC_26_2;
   public final CompoundBinaryTag TAGS_26_1;
+  public final CompoundBinaryTag TAGS_26_2;
 
   static {
     CODEC_1_16 = getCodec("codec_1_16.nbt");
@@ -59,7 +61,9 @@ public final class DimensionRegistry {
     CODEC_1_21_5 = getCodec("codec_1_21_5.nbt");
     CODEC_1_21_11 = getCodec("codec_1_21_11.nbt");
     CODEC_26_1 = getCodec("codec_26_1.nbt");
+    CODEC_26_2 = getCodec("codec_26_2.nbt");
     TAGS_26_1 = getCodec("tags_26_1.nbt");
+    TAGS_26_2 = getCodec("tags_26_2.nbt");
   }
 
   private @NotNull CompoundBinaryTag getCodec(final @NotNull String fileName) {

common/src/main/java/xyz/jonesdev/sonar/common/protocol/packets/login/LoginSuccessPacket.java

@@ -38,6 +38,7 @@ public final class LoginSuccessPacket implements SonarPacket {
   private UUID uuid;
   private String username;
   private boolean strictErrorHandling;
+  private UUID sessionId;
 
   @Override
   public void encode(final ByteBuf byteBuf, final @NotNull ProtocolVersion protocolVersion) throws Exception {
@@ -61,6 +62,10 @@ public final class LoginSuccessPacket implements SonarPacket {
       // Whether the client should disconnect on its own if it receives invalid data from the server
       byteBuf.writeBoolean(strictErrorHandling);
     }
+
+    if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_26_2)) {
+      ProtocolUtil.writeUUID(byteBuf, sessionId);
+    }
   }
 
   @Override

common/src/main/java/xyz/jonesdev/sonar/common/protocol/packets/play/JoinGamePacket.java

@@ -58,6 +58,7 @@ public final class JoinGamePacket implements SonarPacket {
   private boolean flat;
   private boolean limitedCrafting;
   private boolean secureProfile;
+  private boolean onlineMode;
 
   @Override
   public void encode(final @NotNull ByteBuf byteBuf, final @NotNull ProtocolVersion protocolVersion) throws Exception {
@@ -171,6 +172,10 @@ public final class JoinGamePacket implements SonarPacket {
     if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_1_20_5)) {
       byteBuf.writeBoolean(secureProfile);
     }
+
+    if (protocolVersion.greaterThanOrEquals(ProtocolVersion.MINECRAFT_26_2)) {
+      byteBuf.writeBoolean(onlineMode);
+    }
   }
 
   private static CompoundBinaryTag getCodec(final @NotNull ProtocolVersion protocolVersion) {