update to 1.20.2

change vialegacy and viaaprilfools config paths

build.gradle.kts

@@ -60,8 +60,8 @@ dependencies {
     implementation(kotlin("stdlib-jdk8"))
     implementation(kotlin("reflect"))
 
-    val vvVer = "4.9.0-23w40a-SNAPSHOT"
+    val vvVer = "4.9.0-23w41a-SNAPSHOT"
-    val vbVer = "4.9.0-23w40a-SNAPSHOT"
+    val vbVer = "4.9.0-23w41a-SNAPSHOT"
     val vrVer = "3.0.3-SNAPSHOT"
     implementation("com.viaversion:viaversion:$vvVer") { isTransitive = false }
     implementation("com.viaversion:viabackwards:$vbVer") { isTransitive = false }
@@ -74,19 +74,19 @@ dependencies {
     implementation("io.netty:netty-resolver-dns:$nettyVer")
     implementation("io.netty:netty-transport-native-epoll:$nettyVer:linux-aarch_64")
     implementation("io.netty:netty-transport-native-epoll:$nettyVer:linux-x86_64")
-    implementation("io.netty:netty-tcnative-boringssl-static:2.0.61.Final:linux-aarch_64")
+    implementation("io.netty:netty-tcnative-boringssl-static:2.0.62.Final:linux-aarch_64")
-    implementation("io.netty:netty-tcnative-boringssl-static:2.0.61.Final:linux-x86_64")
+    implementation("io.netty:netty-tcnative-boringssl-static:2.0.62.Final:linux-x86_64")
     implementation("io.netty.incubator:netty-incubator-transport-native-io_uring:0.0.23.Final:linux-aarch_64")
     implementation("io.netty.incubator:netty-incubator-transport-native-io_uring:0.0.23.Final:linux-x86_64")
 
     implementation("com.google.guava:guava:32.0.1-jre")
     implementation("com.velocitypowered:velocity-native:3.2.0-SNAPSHOT")
-    implementation("net.coobird:thumbnailator:0.4.19")
+    implementation("net.coobird:thumbnailator:0.4.20")
     implementation("org.powernukkit.fastutil:fastutil-lite:8.1.1")
-    implementation("org.yaml:snakeyaml:2.0")
+    implementation("org.yaml:snakeyaml:2.2")
 
     val log4jVer = "2.20.0"
-    val slf4jVer = "2.0.7"
+    val slf4jVer = "2.0.9"
     implementation("com.lmax:disruptor:3.4.4")
     implementation("net.minecrell:terminalconsoleappender:1.3.0")
     implementation("org.apache.logging.log4j:log4j-core:$log4jVer")

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -83,10 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,10 +131,13 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
@@ -144,7 +145,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -152,7 +153,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -197,11 +198,15 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-# Collect all arguments for the java command;
+
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-#     shell script including quotes and variable substitutions, so put them in
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-#     double quotes to make sure that they get re-expanded; and
+
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \

src/main/java/com/viaversion/aas/codec/packet/configuration/ConfigurationDisconnect.java

@@ -0,0 +1,6 @@
+package com.viaversion.aas.codec.packet.configuration;
+
+import com.viaversion.aas.codec.packet.common.AbstractSingleJson;
+
+public class ConfigurationDisconnect extends AbstractSingleJson {
+}

src/main/java/com/viaversion/aas/codec/packet/configuration/ConfigurationPluginMessage.java

@@ -0,0 +1,24 @@
+package com.viaversion.aas.codec.packet.configuration;
+
+import com.viaversion.aas.UtilKt;
+import com.viaversion.aas.codec.packet.Packet;
+import com.viaversion.viaversion.api.type.Type;
+import io.netty.buffer.ByteBuf;
+import org.jetbrains.annotations.NotNull;
+
+public class ConfigurationPluginMessage implements Packet {
+	private String channel;
+	private byte[] data;
+
+	@Override
+	public void decode(@NotNull ByteBuf byteBuf, int protocolVersion) throws Exception {
+		channel = Type.STRING.read(byteBuf);
+		data = UtilKt.readRemainingBytes(byteBuf);
+	}
+
+	@Override
+	public void encode(@NotNull ByteBuf byteBuf, int protocolVersion) throws Exception {
+		Type.STRING.write(byteBuf, channel);
+		Type.REMAINING_BYTES.write(byteBuf, data);
+	}
+}

src/main/java/com/viaversion/aas/codec/packet/configuration/FinishConfig.java

@@ -0,0 +1,15 @@
+package com.viaversion.aas.codec.packet.configuration;
+
+import com.viaversion.aas.codec.packet.Packet;
+import io.netty.buffer.ByteBuf;
+import org.jetbrains.annotations.NotNull;
+
+public class FinishConfig implements Packet {
+	@Override
+	public void decode(@NotNull ByteBuf byteBuf, int protocolVersion) throws Exception {
+	}
+
+	@Override
+	public void encode(@NotNull ByteBuf byteBuf, int protocolVersion) throws Exception {
+	}
+}

src/main/java/com/viaversion/aas/codec/packet/login/LoginStart.java

@@ -47,7 +47,9 @@ public class LoginStart implements Packet {
 			profileKey = Type.OPTIONAL_PROFILE_KEY.read(byteBuf);
 		}
 
-		if (protocolVersion >= ProtocolVersion.v1_19_1.getVersion()) {
+		if (protocolVersion >= ProtocolVersion.v1_20_2.getVersion()) {
+			profileId = Type.UUID.read(byteBuf);
+		} else if (protocolVersion >= ProtocolVersion.v1_19_1.getVersion()) {
 			profileId = Type.OPTIONAL_UUID.read(byteBuf);
 		}
 	}
@@ -59,7 +61,9 @@ public class LoginStart implements Packet {
 				&& protocolVersion < ProtocolVersion.v1_19_3.getVersion()) {
 			Type.OPTIONAL_PROFILE_KEY.write(byteBuf, profileKey);
 		}
-		if (protocolVersion >= ProtocolVersion.v1_19_1.getVersion()) {
+		if (protocolVersion >= ProtocolVersion.v1_20_2.getVersion()) {
+			Type.UUID.write(byteBuf, profileId);
+		} else if (protocolVersion >= ProtocolVersion.v1_19_1.getVersion()) {
 			Type.OPTIONAL_UUID.write(byteBuf, profileId);
 		}
 	}

src/main/java/com/viaversion/aas/codec/packet/play/ConfigurationAck.java

@@ -0,0 +1,15 @@
+package com.viaversion.aas.codec.packet.play;
+
+import com.viaversion.aas.codec.packet.Packet;
+import io.netty.buffer.ByteBuf;
+import org.jetbrains.annotations.NotNull;
+
+public class ConfigurationAck implements Packet {
+	@Override
+	public void decode(@NotNull ByteBuf byteBuf, int protocolVersion) throws Exception {
+	}
+
+	@Override
+	public void encode(@NotNull ByteBuf byteBuf, int protocolVersion) throws Exception {
+	}
+}

src/main/java/com/viaversion/aas/handler/state/ConfigurationState.java

@@ -0,0 +1,69 @@
+package com.viaversion.aas.handler.state;
+
+import com.google.gson.JsonPrimitive;
+import com.viaversion.aas.UtilKt;
+import com.viaversion.aas.codec.packet.Packet;
+import com.viaversion.aas.codec.packet.configuration.ConfigurationDisconnect;
+import com.viaversion.aas.codec.packet.configuration.FinishConfig;
+import com.viaversion.aas.handler.HandlerUtilKt;
+import com.viaversion.aas.handler.MinecraftHandler;
+import com.viaversion.viaversion.api.protocol.packet.State;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.util.ReferenceCountUtil;
+import org.jetbrains.annotations.NotNull;
+
+public class ConfigurationState implements ConnectionState {
+	private boolean kickedByServer = false;
+	@NotNull
+	@Override
+	public State getState() {
+		return State.CONFIGURATION;
+	}
+
+	@Override
+	public void handlePacket(@NotNull MinecraftHandler handler, @NotNull ChannelHandlerContext ctx, @NotNull Packet packet) {
+		if (packet instanceof FinishConfig) handleFinish(handler, (FinishConfig) packet);
+		if (packet instanceof ConfigurationDisconnect) handleDisconnect(handler, (ConfigurationDisconnect) packet);
+		HandlerUtilKt.forward(handler, ReferenceCountUtil.retain(packet), false);
+	}
+
+	private void handleDisconnect(MinecraftHandler handler, ConfigurationDisconnect packet) {
+		kickedByServer = true;
+		UtilKt.getMcLogger().debug(
+				"{} disconnected on config: {}",
+				handler.endRemoteAddress.toString(),
+				packet.getMsg()
+		);
+	}
+
+	private void handleFinish(MinecraftHandler handler, FinishConfig packet) {
+		handler.getData().setState(new PlayState());
+	}
+
+	@Override
+	public boolean getLogDcInfo() {
+		return true;
+	}
+
+	@Override
+	public boolean getKickedByServer() {
+		return kickedByServer;
+	}
+
+	@Override
+	public void disconnect(@NotNull MinecraftHandler handler, @NotNull String msg) {
+		ConnectionState.DefaultImpls.disconnect(this, handler, msg);
+		var packet = new ConfigurationDisconnect();
+		packet.setMsg(new JsonPrimitive("[VIAaaS] §c$msg"));
+		UtilKt.writeFlushClose(handler.getData().getFrontChannel(), packet, false);
+	}
+
+	@Override
+	public void onInactivated(@NotNull MinecraftHandler handler) {
+		ConnectionState.DefaultImpls.onInactivated(this, handler);
+	}
+
+	@Override
+	public void start(@NotNull MinecraftHandler handler) {
+	}
+}

src/main/java/com/viaversion/aas/platform/AspirinAprilFools.java

@@ -13,7 +13,7 @@ public class AspirinAprilFools implements ViaAprilFoolsPlatform {
 	}
 
 	public void init() {
-		init(getDataFolder());
+		init(new File("config/viaaprilfools.yml"));
 	}
 
 	@Override

src/main/java/com/viaversion/aas/platform/AspirinLegacy.java

@@ -14,10 +14,10 @@ public class AspirinLegacy implements ViaLegacyPlatform {
 
     @Override
     public File getDataFolder() {
-        return Via.getPlatform().getDataFolder();
+        return new File("config/vialegacy");
     }
 
     public void init() {
-        init(getDataFolder());
+        init(new File("config/vialegacy.yml"));
     }
 }

src/main/java/com/viaversion/aas/provider/AspirinCompressionProvider.java

@@ -1,6 +1,6 @@
 package com.viaversion.aas.provider;
 
-import com.viaversion.aas.handler.UtilKt;
+import com.viaversion.aas.handler.HandlerUtilKt;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.CompressionProvider;
 
@@ -9,6 +9,6 @@ import java.util.Objects;
 public class AspirinCompressionProvider extends CompressionProvider {
 	@Override
 	public void handlePlayCompression(UserConnection user, int threshold) {
-		UtilKt.setCompression(Objects.requireNonNull(user.getChannel()), threshold);
+		HandlerUtilKt.setCompression(Objects.requireNonNull(user.getChannel()), threshold);
 	}
 }

src/main/kotlin/com/viaversion/aas/codec/packet/PacketRegistry.kt

@@ -3,8 +3,12 @@ package com.viaversion.aas.codec.packet
 import com.google.common.collect.Range
 import com.google.common.collect.RangeMap
 import com.google.common.collect.TreeRangeMap
+import com.viaversion.aas.codec.packet.configuration.ConfigurationDisconnect
+import com.viaversion.aas.codec.packet.configuration.ConfigurationPluginMessage
+import com.viaversion.aas.codec.packet.configuration.FinishConfig
 import com.viaversion.aas.codec.packet.handshake.Handshake
 import com.viaversion.aas.codec.packet.login.*
+import com.viaversion.aas.codec.packet.play.ConfigurationAck
 import com.viaversion.aas.codec.packet.play.Kick
 import com.viaversion.aas.codec.packet.play.PluginMessage
 import com.viaversion.aas.codec.packet.play.ServerboundChatCommand
@@ -33,6 +37,8 @@ import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ClientboundPac
 import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPackets1_19_4
 import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19
 import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ServerboundPackets1_19
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ClientboundPackets1_20_2
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ServerboundPackets1_20_2
 import com.viaversion.viaversion.protocols.protocol1_8.ClientboundPackets1_8
 import com.viaversion.viaversion.protocols.protocol1_9to1_8.ClientboundPackets1_9
 import io.netty.buffer.ByteBuf
@@ -77,6 +83,12 @@ object PacketRegistry {
         register(State.STATUS, Direction.CLIENTBOUND, ::StatusResponse, Range.all(), 0)
         register(State.STATUS, Direction.CLIENTBOUND, ::StatusPong, Range.all(), 1)
 
+        register(State.CONFIGURATION, Direction.CLIENTBOUND, ::ConfigurationPluginMessage, Range.all(), 0)
+        register(State.CONFIGURATION, Direction.CLIENTBOUND, ::ConfigurationDisconnect, Range.all(), 1)
+        register(State.CONFIGURATION, Direction.CLIENTBOUND, ::FinishConfig, Range.all(), 2)
+        register(State.CONFIGURATION, Direction.SERVERBOUND, ::ConfigurationPluginMessage, Range.all(), 1)
+        register(State.CONFIGURATION, Direction.SERVERBOUND, ::FinishConfig, Range.all(), 2)
+
         register(
             State.PLAY, Direction.CLIENTBOUND, ::Kick, mapOf(
                 ProtocolVersion.v1_7_1..ProtocolVersion.v1_8 to ClientboundPackets1_8.DISCONNECT.id,
@@ -91,8 +103,8 @@ object PacketRegistry {
                 ProtocolVersion.v1_19.singleton to ClientboundPackets1_19.DISCONNECT.id,
                 ProtocolVersion.v1_19_1.singleton to ClientboundPackets1_19_1.DISCONNECT.id,
                 ProtocolVersion.v1_19_3.singleton to ClientboundPackets1_19_3.DISCONNECT.id,
-                ProtocolVersion.v1_19_4.singleton to ClientboundPackets1_19_4.DISCONNECT.id,
+                ProtocolVersion.v1_19_4..ProtocolVersion.v1_20 to ClientboundPackets1_19_4.DISCONNECT.id,
-                ProtocolVersion.v1_20.singleton to ClientboundPackets1_19_4.DISCONNECT.id // todo change to 1.20 if needed
+                ProtocolVersion.v1_20_2.singleton to ClientboundPackets1_20_2.DISCONNECT.id
             )
         )
         register(
@@ -109,8 +121,8 @@ object PacketRegistry {
                 ProtocolVersion.v1_19.singleton to ClientboundPackets1_19.PLUGIN_MESSAGE.id,
                 ProtocolVersion.v1_19_1.singleton to ClientboundPackets1_19_1.PLUGIN_MESSAGE.id,
                 ProtocolVersion.v1_19_3.singleton to ClientboundPackets1_19_3.PLUGIN_MESSAGE.id,
-                ProtocolVersion.v1_19_4.singleton to ClientboundPackets1_19_4.PLUGIN_MESSAGE.id,
+                ProtocolVersion.v1_19_4..ProtocolVersion.v1_20 to ClientboundPackets1_19_4.PLUGIN_MESSAGE.id,
-                ProtocolVersion.v1_20.singleton to ClientboundPackets1_19_4.PLUGIN_MESSAGE.id
+                ProtocolVersion.v1_20_2.singleton to ClientboundPackets1_20_2.PLUGIN_MESSAGE.id
             )
         )
         register(
@@ -120,7 +132,10 @@ object PacketRegistry {
             ProtocolVersion.v1_8.singleton,
             ClientboundPackets1_8.SET_COMPRESSION.id
         )
-        // todo update this to 1.19.3
+        register(State.PLAY, Direction.SERVERBOUND, ::ConfigurationAck, mapOf(
+            ProtocolVersion.v1_20_2.singleton to ServerboundPackets1_20_2.CONFIGURATION_ACKNOWLEDGED.id
+        ))
+        // todo update this to latest version
         register(
             State.PLAY, Direction.SERVERBOUND, ::ServerboundChatCommand,
             mapOf(
@@ -204,6 +219,8 @@ object PacketRegistry {
         try {
             packet.decode(byteBuf, protocolVersion)
             return ReferenceCountUtil.retain(packet)
+        } catch (e: Exception) {
+            throw StacklessException("Failed to decode $packetId $state $direction", e)
         } finally {
             ReferenceCountUtil.release(packet)
         }
@@ -217,6 +234,10 @@ object PacketRegistry {
                 ?: throw StacklessException("Failed to get id for " + packet::class.java.simpleName)
         }
         Type.VAR_INT.writePrimitive(byteBuf, id)
-        packet.encode(byteBuf, protocolVersion)
+        try {
+            packet.encode(byteBuf, protocolVersion)
+        } catch (e: Exception) {
+            throw StacklessException("Failed to encode $id $direction", e)
+        }
     }
 }

src/main/kotlin/com/viaversion/aas/handler/state/LoginState.kt

@@ -90,7 +90,10 @@ class LoginState : ConnectionState {
             forward(handler, SetCompression().also { it.threshold = threshold })
             setCompression(handler.data.frontChannel, threshold)
         }
-        handler.data.state = PlayState()
+        handler.data.state = when {
+            handler.data.frontVer!! >= ProtocolVersion.v1_20_2.version -> ConfigurationState()
+            else -> PlayState()
+        }
         forward(handler, loginSuccess)
     }
 
@@ -289,7 +292,7 @@ class LoginState : ConnectionState {
                 loginStart.username = backName!!
                 // todo implement profile public key?
                 loginStart.profileKey = null
-                loginStart.profileId = null
+                loginStart.profileId = generateOfflinePlayerUuid(loginStart.username!!)
                 send(handler.data.backChannel!!, loginStart, true)
             } catch (e: Exception) {
                 handler.data.frontChannel.fireExceptionCaughtIfOpen(e)

src/main/kotlin/com/viaversion/aas/handler/state/PlayState.kt

@@ -3,6 +3,7 @@ package com.viaversion.aas.handler.state
 import com.google.gson.JsonPrimitive
 import com.viaversion.aas.codec.packet.Packet
 import com.viaversion.aas.codec.packet.UnknownPacket
+import com.viaversion.aas.codec.packet.play.ConfigurationAck
 import com.viaversion.aas.codec.packet.play.Kick
 import com.viaversion.aas.codec.packet.play.PluginMessage
 import com.viaversion.aas.codec.packet.play.ServerboundChatCommand
@@ -33,10 +34,15 @@ class PlayState : ConnectionState {
             packet is Kick -> handleKick(handler, packet)
             packet is ServerboundChatCommand -> modifyChatCommand(packet)
             packet is ServerboundChatMessage -> modifyChatMessage(packet)
+            packet is ConfigurationAck -> handleConfigAck(handler, packet)
         }
         forward(handler, ReferenceCountUtil.retain(packet))
     }
 
+    private fun handleConfigAck(handler: MinecraftHandler, packet: ConfigurationAck) {
+        handler.data.state = ConfigurationState()
+    }
+
     private fun handleKick(handler: MinecraftHandler, packet: Kick) {
         kickedByServer = true
         mcLogger.debug(

src/main/kotlin/com/viaversion/aas/protocol/Util.kt

@@ -1,36 +0,0 @@
-package com.viaversion.aas.protocol
-
-import com.viaversion.viaversion.api.minecraft.Position
-import com.viaversion.viaversion.api.protocol.packet.PacketWrapper
-import com.viaversion.viaversion.api.protocol.remapper.ValueReader
-import com.viaversion.viaversion.api.protocol.remapper.ValueWriter
-import com.viaversion.viaversion.api.type.Type
-
-val xyzToPosition = ValueReader { packetWrapper: PacketWrapper ->
-    val x = packetWrapper.read(Type.INT)
-    val y = packetWrapper.read(Type.INT)
-    val z = packetWrapper.read(Type.INT)
-    Position(x, y, z)
-}
-val xyzUBytePos = ValueReader { packetWrapper: PacketWrapper ->
-    val x = packetWrapper.read(Type.INT)
-    val y = packetWrapper.read(Type.UNSIGNED_BYTE).toInt()
-    val z = packetWrapper.read(Type.INT)
-    Position(x, y, z)
-}
-val xyzUBytePosWriter = ValueWriter { packetWrapper: PacketWrapper, pos: Position ->
-    packetWrapper.write(Type.INT, pos.x())
-    packetWrapper.write(Type.UNSIGNED_BYTE, pos.y().toShort())
-    packetWrapper.write(Type.INT, pos.z())
-}
-val xyzShortPosWriter = ValueWriter { packetWrapper: PacketWrapper, pos: Position ->
-    packetWrapper.write(Type.INT, pos.x())
-    packetWrapper.write(Type.SHORT, pos.y().toShort())
-    packetWrapper.write(Type.INT, pos.z())
-}
-val xyzShortPos = ValueReader { packetWrapper: PacketWrapper ->
-    val x = packetWrapper.read(Type.INT)
-    val y = packetWrapper.read(Type.SHORT).toInt()
-    val z = packetWrapper.read(Type.INT)
-    Position(x, y, z)
-}

src/main/resources/web/index.html

@@ -125,6 +125,7 @@ frame-src 'self' https://login.microsoftonline.com/ https://login.live.com/"
                     </div>
                     <datalist id="backend_version_list">
                         <option>AUTO</option>
+                        <option>1.20.2</option>
                         <option value="1.20.1">1.20(.1)</option>
                         <option>1.19.4</option>
                         <option>1.19.3</option>