Complete all serverbound packets

libmc-common/src/commonMain/kotlin/cn/rtast/libmc/common/buffer.kt

@@ -73,6 +73,22 @@ public fun BytesBuffer.writePrefixedByteArray(data: ByteArray) {
     this.writeBytes(data)
 }
 
+public fun BytesBuffer.readOptionalPrefixedByteArray(): ByteArray? {
+    val isPresent = this.readBoolean()
+    return if (isPresent) {
+        val length = this.readVarInt()
+        this.readBytes(length)
+    } else null
+}
+
+public fun BytesBuffer.writeOptionalPrefixedByteArray(data: ByteArray?) {
+    if (data != null) {
+        this.writeBoolean(true)
+        this.writeVarInt(data.size)
+        this.writeBytes(data)
+    } else this.writeBoolean(false)
+}
+
 public fun BytesBuffer.readPrefixedVarIntArray(): List<Int> {
     val length = readVarInt()
     val list = ArrayList<Int>(length)

libmc-common/src/commonMain/kotlin/cn/rtast/libmc/common/mc_primitives.kt

@@ -75,3 +75,24 @@ public object McStringCodec : PacketCodec<String> {
         return bytes.decodeToString()
     }
 }
+
+public sealed interface IdOrX<out T> {
+    public data class Inline<T>(val value: T) : IdOrX<T>
+    public data class Reference(val registryId: Int) : IdOrX<Nothing>
+}
+
+public inline fun <T> BytesBuffer.writeIdOrX(value: IdOrX<T>, writeX: BytesBuffer.(T) -> Unit) {
+    when (value) {
+        is IdOrX.Inline -> {
+            this.writeVarInt(0)
+            this.writeX(value.value)
+        }
+
+        is IdOrX.Reference -> this.writeVarInt(value.registryId + 1)
+    }
+}
+
+public inline fun <T> BytesBuffer.readIdOrX(readX: BytesBuffer.() -> T): IdOrX<T> {
+    val id = this.readVarInt()
+    return if (id == 0) IdOrX.Inline(this.readX()) else IdOrX.Reference(id - 1)
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/client/MinecraftClient.kt

@@ -7,6 +7,7 @@
 package cn.rtast.libmc.protocol.client
 
 import cn.rtast.libmc.common.LibMCContext
+import cn.rtast.libmc.protocol.event.InternalPacketDispatcher
 import cn.rtast.libmc.protocol.event.PacketEventDispatcher
 import cn.rtast.libmc.protocol.network.NetworkChannel
 import cn.rtast.libmc.protocol.packet.handshake.ServerboundHandshakePacket

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/event/InternalPacketDispatcher.kt

@@ -5,41 +5,18 @@
  */
 
 
-package cn.rtast.libmc.protocol.client
+package cn.rtast.libmc.protocol.event
 
 import cn.rtast.libmc.common.packet.MinecraftPacket
-import cn.rtast.libmc.protocol.packet.configuration.clientbound.ClientboundConfigurationPacket
+import cn.rtast.libmc.protocol.client.MinecraftClient
-import cn.rtast.libmc.protocol.packet.configuration.clientbound.ClientboundCookieRequestPacket
+import cn.rtast.libmc.protocol.packet.configuration.clientbound.*
-import cn.rtast.libmc.protocol.packet.configuration.clientbound.ClientboundCustomPayloadPacket
-import cn.rtast.libmc.protocol.packet.configuration.clientbound.ClientboundDisconnectConfigurationPacket
-import cn.rtast.libmc.protocol.packet.configuration.clientbound.ClientboundFinishConfigurationPacket
-import cn.rtast.libmc.protocol.packet.configuration.clientbound.ClientboundKeepAliveConfigurationPacket
-import cn.rtast.libmc.protocol.packet.configuration.clientbound.ClientboundPingConfigurationPacket
-import cn.rtast.libmc.protocol.packet.configuration.clientbound.ClientboundSelectKnownPacksPacket
 import cn.rtast.libmc.protocol.packet.configuration.serverbound.ServerboundAckFinishConfigurationPacket
 import cn.rtast.libmc.protocol.packet.configuration.serverbound.ServerboundKeepAliveConfigurationPacket
 import cn.rtast.libmc.protocol.packet.configuration.serverbound.ServerboundPongConfigurationPacket
 import cn.rtast.libmc.protocol.packet.configuration.serverbound.ServerboundSelectKnownPacksPacket
-import cn.rtast.libmc.protocol.packet.login.clientbound.ClientboundDisconnectLoginPacket
+import cn.rtast.libmc.protocol.packet.login.clientbound.*
-import cn.rtast.libmc.protocol.packet.login.clientbound.ClientboundLoginPacket
-import cn.rtast.libmc.protocol.packet.login.clientbound.ClientboundLoginSuccessPacket
-import cn.rtast.libmc.protocol.packet.login.clientbound.ClientboundSetCompressionPacket
 import cn.rtast.libmc.protocol.packet.login.serverbound.ServerboundLoginAcknowledgedPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundAcknowledgeBlockChangePacket
+import cn.rtast.libmc.protocol.packet.play.clientbound.*
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundAwardStatisticsPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundBlockDestructionPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundBlockEntityDataPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundDelimiterPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundDisconnectPlayPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundEntityAnimationPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundKeepAlivePlayPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundLoginPlayPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundPingPlayPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundPlayPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundPlayerChatMessagePacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundSpawnEntityPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundStartConfigurationPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundSystemChatMessagePacket
 import cn.rtast.libmc.protocol.packet.play.serverbound.ServerboundConfigurationAcknowledgedPacket
 import cn.rtast.libmc.protocol.packet.play.serverbound.ServerboundKeepAlivePlayPacket
 import cn.rtast.libmc.protocol.packet.play.serverbound.ServerboundPongPlayPacket
@@ -69,6 +46,9 @@ internal class InternalPacketDispatcher(private val client: MinecraftClient) {
                 client.networkChannel.sendPacket(ServerboundLoginAcknowledgedPacket)
                 client.stateMachine.transitionTo(ProtocolState.CONFIGURATION)
             }
+
+            is ClientboundCustomQueryPacket -> {}
+            is ClientboundHelloPacket -> {}
         }
     }
 
@@ -102,6 +82,20 @@ internal class InternalPacketDispatcher(private val client: MinecraftClient) {
             is ClientboundSelectKnownPacksPacket -> {
                 client.networkChannel.sendPacket(ServerboundSelectKnownPacksPacket(emptyList()))  // TODO empty resource packs list
             }
+
+            is ClientboundAddResourcePackPacket -> {}
+            ClientboundClearDialogPacket -> {}
+            is ClientboundCodeOfConductPacket -> {}
+            is ClientboundConfigurationShowDialogPacket -> {}
+            is ClientboundCustomReportDetailsPacket -> {}
+            is ClientboundRegistryDataPacket -> {}
+            is ClientboundRemoveResourcePackPacket -> {}
+            ClientboundResetChatPacket -> {}
+            is ClientboundServerLinksPacket -> {}
+            is ClientboundStoreCookiePacket -> {}
+            is ClientboundTransferPacket -> {}
+            is ClientboundUpdateEnabledFeaturesPacket -> {}
+            is ClientboundUpdateTagsPacket -> {}
         }
     }
 
@@ -110,7 +104,7 @@ internal class InternalPacketDispatcher(private val client: MinecraftClient) {
             is ClientboundDisconnectPlayPacket -> client.close()
             is ClientboundKeepAlivePlayPacket -> client.networkChannel.sendPacket(ServerboundKeepAlivePlayPacket(id = packet.id))
             is ClientboundLoginPlayPacket -> println("Successfully joined world Entity ID: ${packet.entityId}")
-            is ClientboundPingPlayPacket -> client.networkChannel.sendPacket(ServerboundPongPlayPacket(packet.id))
+            is ClientboundPingPacket -> client.networkChannel.sendPacket(ServerboundPongPlayPacket(packet.id))
             is ClientboundPlayerChatMessagePacket -> {
                 println("Received player chat message $packet")
                 // TODO
@@ -129,6 +123,7 @@ internal class InternalPacketDispatcher(private val client: MinecraftClient) {
             ClientboundDelimiterPacket -> {}
             is ClientboundEntityAnimationPacket -> {}
             is ClientboundSpawnEntityPacket -> {}
+            is ClientboundShowDialogPacket -> {}
         }
     }
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundAddResourcePackPacket.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.*
+import cn.rtast.libmc.nbt.NBTCompound
+import cn.rtast.libmc.protocol.protocol.util.readNetworkNBTCompound
+import kotlin.uuid.Uuid
+
+public data class ClientboundAddResourcePackPacket(
+    val uuid: Uuid,
+    val url: String,
+    val hash: String,
+    val forced: Boolean,
+    val prompt: NBTCompound,
+) : ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundAddResourcePackPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundAddResourcePackPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundAddResourcePackPacket {
+            val uuid = buffer.readUuid()
+            val url = buffer.readMcString()
+            val hash = buffer.readMcString()
+            val forced = buffer.readBoolean()
+            buffer.readVarInt()  // ?
+            val prompt = buffer.readNetworkNBTCompound()  // ?
+            return ClientboundAddResourcePackPacket(uuid, url, hash, forced, prompt)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundClearDialogPacket.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+
+public data object ClientboundClearDialogPacket : ClientboundConfigurationPacket,
+    PacketCodec<ClientboundClearDialogPacket> {
+    override fun encode(buffer: BytesBuffer, value: ClientboundClearDialogPacket) {}
+    override fun decode(buffer: BytesBuffer): ClientboundClearDialogPacket = ClientboundClearDialogPacket
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundCodeOfConductPacket.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readMcString
+
+public data class ClientboundCodeOfConductPacket(val codeOfConduct: String) : ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundCodeOfConductPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundCodeOfConductPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundCodeOfConductPacket {
+            return ClientboundCodeOfConductPacket(buffer.readMcString())
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundConfigurationShowDialogPacket.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.nbt.NBTCompound
+import cn.rtast.libmc.protocol.protocol.util.readNetworkNBTCompound
+
+public data class ClientboundConfigurationShowDialogPacket(val dialog: NBTCompound) : ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundConfigurationShowDialogPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundConfigurationShowDialogPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundConfigurationShowDialogPacket {
+            return ClientboundConfigurationShowDialogPacket(buffer.readNetworkNBTCompound())
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundCookieRequestPacket.kt

@@ -11,14 +11,10 @@ import cn.rtast.libmc.common.BytesBuffer
 import cn.rtast.libmc.common.PacketCodec
 import cn.rtast.libmc.protocol.protocol.game.Identifier
 import cn.rtast.libmc.protocol.protocol.game.readIdentifier
-import cn.rtast.libmc.protocol.protocol.game.writeIdentifier
 
 public data class ClientboundCookieRequestPacket(val key: Identifier) : ClientboundConfigurationPacket {
     public companion object Codec : PacketCodec<ClientboundCookieRequestPacket> {
-        override fun encode(buffer: BytesBuffer, value: ClientboundCookieRequestPacket) {
+        override fun encode(buffer: BytesBuffer, value: ClientboundCookieRequestPacket) {}
-            buffer.writeIdentifier(value.key)
-        }
-
         override fun decode(buffer: BytesBuffer): ClientboundCookieRequestPacket {
             return ClientboundCookieRequestPacket(key = buffer.readIdentifier())
         }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundCustomPayloadPacket.kt

@@ -1,7 +1,7 @@
 /*
  * Copyright © 2026 RTAkland
  * Author: RTAkland
- * Date: 2026/9/5
+ * Date: 2026/9/6
  */
 
 
@@ -11,19 +11,16 @@ import cn.rtast.libmc.common.BytesBuffer
 import cn.rtast.libmc.common.PacketCodec
 import cn.rtast.libmc.protocol.protocol.game.Identifier
 import cn.rtast.libmc.protocol.protocol.game.readIdentifier
-import cn.rtast.libmc.protocol.protocol.game.writeIdentifier
 
-public data class ClientboundCustomPayloadPacket(val channel: Identifier, val data: ByteArray) :
+public data class ClientboundCustomPayloadPacket(
-    ClientboundConfigurationPacket {
+    val channel: Identifier,
+    val data: ByteArray,
+) : ClientboundConfigurationPacket {
     public companion object Codec : PacketCodec<ClientboundCustomPayloadPacket> {
-        override fun encode(buffer: BytesBuffer, value: ClientboundCustomPayloadPacket) {
+        override fun encode(buffer: BytesBuffer, value: ClientboundCustomPayloadPacket) {}
-            buffer.writeIdentifier(value.channel)
-            buffer.writeBytes(value.data)
-        }
-
         override fun decode(buffer: BytesBuffer): ClientboundCustomPayloadPacket {
             val channel = buffer.readIdentifier()
-            val data = buffer.readBytes(buffer.remaining.toInt())
+            val data = buffer.readRemainingBytes()
             return ClientboundCustomPayloadPacket(channel, data)
         }
     }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundCustomReportDetailsPacket.kt

@@ -0,0 +1,40 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.*
+import kotlinx.serialization.Serializable
+
+public data class ClientboundCustomReportDetailsPacket(val details: List<ReportDetail>) :
+    ClientboundConfigurationPacket {
+    @Serializable
+    public data class ReportDetail(val title: String, val description: String) {
+        public companion object Codec : PacketCodec<ReportDetail> {
+            override fun encode(buffer: BytesBuffer, value: ReportDetail) {
+                buffer.writeMcString(value.title)
+                buffer.writeMcString(value.description)
+            }
+
+            override fun decode(buffer: BytesBuffer): ReportDetail {
+                val title = buffer.readMcString()
+                val description = buffer.readMcString()
+                return ReportDetail(title, description)
+            }
+        }
+    }
+
+    public companion object Codec : PacketCodec<ClientboundCustomReportDetailsPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundCustomReportDetailsPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundCustomReportDetailsPacket {
+            val detailCount = buffer.readVarInt()
+            val details = ArrayList<ReportDetail>(detailCount)
+            repeat(detailCount) { details.add(ReportDetail.decode(buffer)) }
+            return ClientboundCustomReportDetailsPacket(details)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundKeepAliveConfigurationPacket.kt

@@ -12,10 +12,7 @@ import cn.rtast.libmc.common.PacketCodec
 
 public data class ClientboundKeepAliveConfigurationPacket(val id: Long) : ClientboundConfigurationPacket {
     public companion object Codec : PacketCodec<ClientboundKeepAliveConfigurationPacket> {
-        override fun encode(buffer: BytesBuffer, value: ClientboundKeepAliveConfigurationPacket) {
+        override fun encode(buffer: BytesBuffer, value: ClientboundKeepAliveConfigurationPacket) {}
-            buffer.writeLong(value.id)
-        }
-
         override fun decode(buffer: BytesBuffer): ClientboundKeepAliveConfigurationPacket {
             return ClientboundKeepAliveConfigurationPacket(buffer.readLong())
         }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundPingConfigurationPacket.kt

@@ -1,7 +1,7 @@
 /*
  * Copyright © 2026 RTAkland
  * Author: RTAkland
- * Date: 2026/9/4
+ * Date: 2026/9/6
  */
 
 
@@ -12,10 +12,9 @@ import cn.rtast.libmc.common.PacketCodec
 
 public data class ClientboundPingConfigurationPacket(val id: Int) : ClientboundConfigurationPacket {
     public companion object Codec : PacketCodec<ClientboundPingConfigurationPacket> {
-        override fun encode(buffer: BytesBuffer, value: ClientboundPingConfigurationPacket) {
+        override fun encode(buffer: BytesBuffer, value: ClientboundPingConfigurationPacket) {}
-            buffer.writeInt(value.id)
+        override fun decode(buffer: BytesBuffer): ClientboundPingConfigurationPacket {
+            return ClientboundPingConfigurationPacket(id = buffer.readInt())
         }
-
-        override fun decode(buffer: BytesBuffer): ClientboundPingConfigurationPacket = ClientboundPingConfigurationPacket(buffer.readInt())
     }
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundRegistryDataPacket.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readVarInt
+import cn.rtast.libmc.protocol.protocol.game.Identifier
+import cn.rtast.libmc.protocol.protocol.game.readIdentifier
+import cn.rtast.libmc.protocol.protocol.game.registry.RegistryEntry
+
+public data class ClientboundRegistryDataPacket(
+    /**
+     * Name of the registry, such as minecraft:dimension_type.
+     */
+    val registryId: Identifier,
+    val entries: List<RegistryEntry>,
+) : ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundRegistryDataPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundRegistryDataPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundRegistryDataPacket {
+            val id = buffer.readIdentifier()
+            val entryCount = buffer.readVarInt()
+            val entries = ArrayList<RegistryEntry>(entryCount)
+            (0 until entryCount).forEach { _ -> entries.add(RegistryEntry.decode(buffer)) }
+            return ClientboundRegistryDataPacket(id, entries)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundRemoveResourcePackPacket.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.*
+import cn.rtast.libmc.protocol.protocol.util.readNetworkNBTCompound
+import kotlin.uuid.Uuid
+
+public data class ClientboundRemoveResourcePackPacket(val uuid: Uuid) : ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundRemoveResourcePackPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundRemoveResourcePackPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundRemoveResourcePackPacket {
+            val uuid = buffer.readUuid()
+            return ClientboundRemoveResourcePackPacket(uuid)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundResetChatPacket.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+
+public data object ClientboundResetChatPacket : ClientboundConfigurationPacket,
+    PacketCodec<ClientboundResetChatPacket> {
+    override fun encode(buffer: BytesBuffer, value: ClientboundResetChatPacket) {}
+    override fun decode(buffer: BytesBuffer): ClientboundResetChatPacket = ClientboundResetChatPacket
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundSelectKnownPacksPacket.kt

@@ -10,16 +10,11 @@ package cn.rtast.libmc.protocol.packet.configuration.clientbound
 import cn.rtast.libmc.common.BytesBuffer
 import cn.rtast.libmc.common.PacketCodec
 import cn.rtast.libmc.common.readVarInt
-import cn.rtast.libmc.common.writeVarInt
 import cn.rtast.libmc.protocol.packet.configuration.KnownPacks
 
 public data class ClientboundSelectKnownPacksPacket(val knownPacks: List<KnownPacks>) : ClientboundConfigurationPacket {
     public companion object Codec : PacketCodec<ClientboundSelectKnownPacksPacket> {
-        override fun encode(buffer: BytesBuffer, value: ClientboundSelectKnownPacksPacket) {
+        override fun encode(buffer: BytesBuffer, value: ClientboundSelectKnownPacksPacket) {}
-            buffer.writeVarInt(value.knownPacks.size)
-            value.knownPacks.forEach { KnownPacks.encode(buffer, it) }
-        }
-
         override fun decode(buffer: BytesBuffer): ClientboundSelectKnownPacksPacket {
             val packsCount = buffer.readVarInt()
             val packs = List(packsCount) { KnownPacks.decode(buffer) }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundServerLinksPacket.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readVarInt
+import cn.rtast.libmc.protocol.registry.report.ServerLink
+
+public data class ClientboundServerLinksPacket(val links: List<ServerLink>) : ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundServerLinksPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundServerLinksPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundServerLinksPacket {
+            val count = buffer.readVarInt()
+            val links = ArrayList<ServerLink>(count)
+            repeat(count) { links.add(ServerLink.decode(buffer)) }
+            return ClientboundServerLinksPacket(links)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundStoreCookiePacket.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readPrefixedByteArray
+import cn.rtast.libmc.protocol.protocol.game.Identifier
+import cn.rtast.libmc.protocol.protocol.game.readIdentifier
+
+public data class ClientboundStoreCookiePacket(
+    val key: Identifier,
+    /**
+     * cookie
+     */
+    val payload: ByteArray,
+) : ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundStoreCookiePacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundStoreCookiePacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundStoreCookiePacket {
+            val key = buffer.readIdentifier()
+            val payload = buffer.readPrefixedByteArray()
+            return ClientboundStoreCookiePacket(key, payload)
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || this::class != other::class) return false
+
+        other as ClientboundStoreCookiePacket
+
+        if (key != other.key) return false
+        if (!payload.contentEquals(other.payload)) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = key.hashCode()
+        result = 31 * result + payload.contentHashCode()
+        return result
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundTransferPacket.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readMcString
+import cn.rtast.libmc.common.readVarInt
+
+public data class ClientboundTransferPacket(val host: String, val port: Int) : ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundTransferPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundTransferPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundTransferPacket {
+            val host = buffer.readMcString()
+            val port = buffer.readVarInt()
+            return ClientboundTransferPacket(host, port)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundUpdateEnabledFeaturesPacket.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readVarInt
+import cn.rtast.libmc.protocol.protocol.game.Identifier
+import cn.rtast.libmc.protocol.protocol.game.readIdentifier
+
+public data class ClientboundUpdateEnabledFeaturesPacket(val features: List<Identifier>) :
+    ClientboundConfigurationPacket {
+    public companion object Codec : PacketCodec<ClientboundUpdateEnabledFeaturesPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundUpdateEnabledFeaturesPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundUpdateEnabledFeaturesPacket {
+            val featureCount = buffer.readVarInt()
+            val features = ArrayList<Identifier>(featureCount)
+            repeat(featureCount) { features.add(buffer.readIdentifier()) }
+            return ClientboundUpdateEnabledFeaturesPacket(features)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/clientbound/ClientboundUpdateTagsPacket.kt

@@ -0,0 +1,82 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readVarInt
+import cn.rtast.libmc.common.writeVarInt
+import cn.rtast.libmc.protocol.protocol.game.Identifier
+import cn.rtast.libmc.protocol.protocol.game.readIdentifier
+import cn.rtast.libmc.protocol.protocol.game.writeIdentifier
+import kotlinx.serialization.Serializable
+
+public data class ClientboundUpdateTagsPacket(val registries: List<TaggedRegistry>) : ClientboundConfigurationPacket {
+    @Serializable
+    public data class TaggedRegistry(val registryId: Identifier, val tags: List<Tag>) {
+        public companion object Codec : PacketCodec<TaggedRegistry> {
+            override fun encode(buffer: BytesBuffer, value: TaggedRegistry) {
+                buffer.writeIdentifier(value.registryId)
+                buffer.writeVarInt(value.tags.size)
+                value.tags.forEach { Tag.encode(buffer, it) }
+            }
+
+            override fun decode(buffer: BytesBuffer): TaggedRegistry {
+                val id = buffer.readIdentifier()
+                val tagCount = buffer.readVarInt()
+                val tags = ArrayList<Tag>(tagCount)
+                repeat(tagCount) { tags.add(Tag.decode(buffer)) }
+                return TaggedRegistry(id, tags)
+            }
+        }
+    }
+
+    @Serializable
+    public data class Tag(val name: Identifier, val entries: IntArray) {
+        public companion object Codec : PacketCodec<Tag> {
+            override fun encode(buffer: BytesBuffer, value: Tag) {
+                buffer.writeIdentifier(value.name)
+                buffer.writeVarInt(value.entries.size)
+                value.entries.forEach { buffer.writeVarInt(it) }
+            }
+
+            override fun decode(buffer: BytesBuffer): Tag {
+                val name = buffer.readIdentifier()
+                val entrySize = buffer.readVarInt()
+                val entries = ArrayList<Int>(entrySize)
+                repeat(entrySize) { entries.add(buffer.readVarInt()) }
+                return Tag(name, entries.toIntArray())
+            }
+        }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (other == null || this::class != other::class) return false
+            other as Tag
+            if (name != other.name) return false
+            if (!entries.contentEquals(other.entries)) return false
+            return true
+        }
+
+        override fun hashCode(): Int {
+            var result = name.hashCode()
+            result = 31 * result + entries.contentHashCode()
+            return result
+        }
+    }
+
+    public companion object Codec : PacketCodec<ClientboundUpdateTagsPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundUpdateTagsPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundUpdateTagsPacket {
+            val registryCount = buffer.readVarInt()
+            val registries = ArrayList<TaggedRegistry>(registryCount)
+            repeat(registryCount) { registries.add(TaggedRegistry.decode(buffer)) }
+            return ClientboundUpdateTagsPacket(registries)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/serverbound/ServerboundAcceptCodeOfConductPacket.kt

@@ -0,0 +1,19 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.configuration.serverbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.packet.MinecraftPacket
+
+public data object ServerboundAcceptCodeOfConductPacket : MinecraftPacket,
+    PacketCodec<ServerboundAcceptCodeOfConductPacket> {
+    override fun encode(buffer: BytesBuffer, value: ServerboundAcceptCodeOfConductPacket) {}
+    override fun decode(buffer: BytesBuffer): ServerboundAcceptCodeOfConductPacket =
+        ServerboundAcceptCodeOfConductPacket
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/serverbound/ServerboundAckFinishConfigurationPacket.kt

@@ -14,7 +14,6 @@ import cn.rtast.libmc.common.packet.MinecraftPacket
 public data object ServerboundAckFinishConfigurationPacket : MinecraftPacket,
     PacketCodec<ServerboundAckFinishConfigurationPacket> {
     override fun encode(buffer: BytesBuffer, value: ServerboundAckFinishConfigurationPacket) {}
-
     override fun decode(buffer: BytesBuffer): ServerboundAckFinishConfigurationPacket =
-        ServerboundAckFinishConfigurationPacket
+        throw UnsupportedOperationException()
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/serverbound/ServerboundKeepAliveConfigurationPacket.kt

@@ -17,8 +17,7 @@ public data class ServerboundKeepAliveConfigurationPacket(val id: Long) : Minecr
             buffer.writeLong(value.id)
         }
 
-        override fun decode(buffer: BytesBuffer): ServerboundKeepAliveConfigurationPacket {
+        override fun decode(buffer: BytesBuffer): ServerboundKeepAliveConfigurationPacket =
-            return ServerboundKeepAliveConfigurationPacket(buffer.readLong())
+            throw UnsupportedOperationException()
-        }
     }
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/serverbound/ServerboundPongConfigurationPacket.kt

@@ -17,6 +17,7 @@ public data class ServerboundPongConfigurationPacket(val id: Int) : MinecraftPac
             buffer.writeInt(value.id)
         }
 
-        override fun decode(buffer: BytesBuffer): ServerboundPongConfigurationPacket = ServerboundPongConfigurationPacket(buffer.readInt())
+        override fun decode(buffer: BytesBuffer): ServerboundPongConfigurationPacket =
+            throw UnsupportedOperationException()
     }
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/configuration/serverbound/ServerboundSelectKnownPacksPacket.kt

@@ -7,10 +7,9 @@
 
 package cn.rtast.libmc.protocol.packet.configuration.serverbound
 
-import cn.rtast.libmc.common.PacketCodec
 import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
 import cn.rtast.libmc.common.packet.MinecraftPacket
-import cn.rtast.libmc.common.readVarInt
 import cn.rtast.libmc.common.writeVarInt
 import cn.rtast.libmc.protocol.packet.configuration.KnownPacks
 
@@ -21,10 +20,7 @@ public data class ServerboundSelectKnownPacksPacket(val knownPacks: List<KnownPa
             value.knownPacks.forEach { KnownPacks.encode(buffer, it) }
         }
 
-        override fun decode(buffer: BytesBuffer): ServerboundSelectKnownPacksPacket {
+        override fun decode(buffer: BytesBuffer): ServerboundSelectKnownPacksPacket =
-            val packsCount = buffer.readVarInt()
+            throw UnsupportedOperationException()
-            val packs = List(packsCount) { KnownPacks.decode(buffer) }
-            return ServerboundSelectKnownPacksPacket(packs)
-        }
     }
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/login/clientbound/ClientboundCustomQueryPacket.kt

@@ -0,0 +1,48 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/5
+ */
+
+
+package cn.rtast.libmc.protocol.packet.login.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readVarInt
+import cn.rtast.libmc.protocol.protocol.game.Identifier
+import cn.rtast.libmc.protocol.protocol.game.readIdentifier
+
+public data class ClientboundCustomQueryPacket(
+    val messageId: Int,
+    val channel: Identifier,
+    val data: ByteArray,
+) : ClientboundLoginPacket {
+    public companion object Codec : PacketCodec<ClientboundCustomQueryPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundCustomQueryPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundCustomQueryPacket {
+            val messageId = buffer.readVarInt()
+            val channel = buffer.readIdentifier()
+            val data = buffer.readBytes(buffer.remaining.toInt())
+            return ClientboundCustomQueryPacket(messageId, channel, data)
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || this::class != other::class) return false
+
+        other as ClientboundCustomQueryPacket
+
+        if (channel != other.channel) return false
+        if (!data.contentEquals(other.data)) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = channel.hashCode()
+        result = 31 * result + data.contentHashCode()
+        return result
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/login/clientbound/ClientboundHelloPacket.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.login.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readMcString
+import cn.rtast.libmc.common.readPrefixedByteArray
+
+/**
+ * ref: https://minecraft.wiki/w/Java_Edition_protocol/Packets#Encryption_Request
+ */
+public data class ClientboundHelloPacket(
+    val serverId: String,
+    val publicKey: ByteArray,
+    val verifyToken: ByteArray,
+    /**
+     * Whether the client should attempt to authenticate through mojang servers.
+     * ref: https://minecraft.wiki/w/Java_Edition_protocol/Encryption#Authentication
+     */
+    val shouldAuthenticate: Boolean,
+) : ClientboundLoginPacket {
+    public companion object Codec : PacketCodec<ClientboundHelloPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundHelloPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundHelloPacket {
+            val serverId = buffer.readMcString()
+            val publicKey = buffer.readPrefixedByteArray()
+            val verifyToken = buffer.readPrefixedByteArray()
+            val shouldAuthenticate = buffer.readBoolean()
+            return ClientboundHelloPacket(serverId, publicKey, verifyToken, shouldAuthenticate)
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || this::class != other::class) return false
+
+        other as ClientboundHelloPacket
+
+        if (shouldAuthenticate != other.shouldAuthenticate) return false
+        if (serverId != other.serverId) return false
+        if (!publicKey.contentEquals(other.publicKey)) return false
+        if (!verifyToken.contentEquals(other.verifyToken)) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = shouldAuthenticate.hashCode()
+        result = 31 * result + serverId.hashCode()
+        result = 31 * result + publicKey.contentHashCode()
+        result = 31 * result + verifyToken.contentHashCode()
+        return result
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/login/serverbound/ServerboundCustomQueryAnswerPacket.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.login.serverbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.packet.MinecraftPacket
+import cn.rtast.libmc.common.writeOptionalPrefixedByteArray
+import cn.rtast.libmc.common.writeVarInt
+
+public data class ServerboundCustomQueryAnswerPacket(val messageId: Int, val data: ByteArray?) : MinecraftPacket {
+    public companion object Codec : PacketCodec<ServerboundCustomQueryAnswerPacket> {
+        override fun encode(buffer: BytesBuffer, value: ServerboundCustomQueryAnswerPacket) {
+            buffer.writeVarInt(value.messageId)
+            buffer.writeOptionalPrefixedByteArray(value.data)
+        }
+
+        override fun decode(buffer: BytesBuffer): ServerboundCustomQueryAnswerPacket =
+            throw UnsupportedOperationException()
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || this::class != other::class) return false
+
+        other as ServerboundCustomQueryAnswerPacket
+
+        if (messageId != other.messageId) return false
+        if (!data.contentEquals(other.data)) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = messageId
+        result = 31 * result + (data?.contentHashCode() ?: 0)
+        return result
+    }
+
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/login/serverbound/ServerboundKeyPacket.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.login.serverbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.packet.MinecraftPacket
+import cn.rtast.libmc.common.writePrefixedByteArray
+
+/**
+ * ref: https://minecraft.wiki/w/Java_Edition_protocol/Encryption
+ */
+public data class ServerboundKeyPacket(val sharedSecret: ByteArray, val verifyToken: ByteArray) : MinecraftPacket {
+    public companion object Codec : PacketCodec<ServerboundKeyPacket> {
+        override fun encode(buffer: BytesBuffer, value: ServerboundKeyPacket) {
+            buffer.writePrefixedByteArray(value.sharedSecret)
+            buffer.writePrefixedByteArray(value.verifyToken)
+        }
+
+        override fun decode(buffer: BytesBuffer): ServerboundKeyPacket =
+            throw UnsupportedOperationException()
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || this::class != other::class) return false
+
+        other as ServerboundKeyPacket
+
+        if (!sharedSecret.contentEquals(other.sharedSecret)) return false
+        if (!verifyToken.contentEquals(other.verifyToken)) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = sharedSecret.contentHashCode()
+        result = 31 * result + verifyToken.contentHashCode()
+        return result
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/play/clientbound/ClientboundPingPacket.kt

@@ -10,14 +10,11 @@ package cn.rtast.libmc.protocol.packet.play.clientbound
 import cn.rtast.libmc.common.BytesBuffer
 import cn.rtast.libmc.common.PacketCodec
 
-public data class ClientboundPingPlayPacket(val id: Int) : ClientboundPlayPacket {
+public data class ClientboundPingPacket(val id: Int) : ClientboundPlayPacket {
-    public companion object Codec : PacketCodec<ClientboundPingPlayPacket> {
+    public companion object Codec : PacketCodec<ClientboundPingPacket> {
-        override fun encode(buffer: BytesBuffer, value: ClientboundPingPlayPacket) {
+        override fun encode(buffer: BytesBuffer, value: ClientboundPingPacket) {}
-            buffer.writeInt(value.id)
+        override fun decode(buffer: BytesBuffer): ClientboundPingPacket {
-        }
+            return ClientboundPingPacket(id = buffer.readInt())
-
-        override fun decode(buffer: BytesBuffer): ClientboundPingPlayPacket {
-            return ClientboundPingPlayPacket(id = buffer.readInt())
         }
     }
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/play/clientbound/ClientboundShowDialogPacket.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.play.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.IdOrX
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readIdOrX
+import cn.rtast.libmc.nbt.NBTCompound
+import cn.rtast.libmc.protocol.protocol.util.readNetworkNBTCompound
+
+public data class ClientboundShowDialogPacket(val dialog: IdOrX<NBTCompound>) : ClientboundPlayPacket {
+    public companion object Codec : PacketCodec<ClientboundShowDialogPacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundShowDialogPacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundShowDialogPacket {
+            return ClientboundShowDialogPacket(buffer.readIdOrX { this.readNetworkNBTCompound() })
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/status/clientbound/ClientboundPongResponsePacket.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.status.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+
+public data class ClientboundPongResponsePacket(val timestamp: Long) : ClientboundStatusPacket {
+    public companion object Codec : PacketCodec<ClientboundPongResponsePacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundPongResponsePacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundPongResponsePacket {
+            return ClientboundPongResponsePacket(buffer.readLong())
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/status/clientbound/ClientboundStatusPacket.kt

@@ -0,0 +1,12 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.status.clientbound
+
+import cn.rtast.libmc.common.packet.MinecraftPacket
+
+public sealed interface ClientboundStatusPacket : MinecraftPacket

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/status/clientbound/ClientboundStatusResponsePacket.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.status.clientbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.readMcString
+
+public data class ClientboundStatusResponsePacket(val jsonResponse: String) : ClientboundStatusPacket {
+    public companion object Codec : PacketCodec<ClientboundStatusResponsePacket> {
+        override fun encode(buffer: BytesBuffer, value: ClientboundStatusResponsePacket) {}
+        override fun decode(buffer: BytesBuffer): ClientboundStatusResponsePacket =
+            ClientboundStatusResponsePacket(buffer.readMcString())
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/status/serverbound/ServerboundPingRequestPacket.kt

@@ -11,13 +11,13 @@ import cn.rtast.libmc.common.BytesBuffer
 import cn.rtast.libmc.common.PacketCodec
 import cn.rtast.libmc.common.packet.MinecraftPacket
 
-public data class ServerboundPingRequest(val timestamp: Long) : MinecraftPacket {
+public data class ServerboundPingRequestPacket(val timestamp: Long) : MinecraftPacket {
-    public companion object Codec : PacketCodec<ServerboundPingRequest> {
+    public companion object Codec : PacketCodec<ServerboundPingRequestPacket> {
-        override fun encode(buffer: BytesBuffer, value: ServerboundPingRequest) {
+        override fun encode(buffer: BytesBuffer, value: ServerboundPingRequestPacket) {
             buffer.writeLong(value.timestamp)
         }
 
-        override fun decode(buffer: BytesBuffer): ServerboundPingRequest =
+        override fun decode(buffer: BytesBuffer): ServerboundPingRequestPacket =
             throw UnsupportedOperationException()
     }
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/status/serverbound/ServerboundStatusRequestPacket.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.packet.status.serverbound
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.common.packet.MinecraftPacket
+
+public data object ServerboundStatusRequestPacket : MinecraftPacket, PacketCodec<ServerboundStatusRequestPacket> {
+    override fun encode(buffer: BytesBuffer, value: ServerboundStatusRequestPacket) {}
+    override fun decode(buffer: BytesBuffer): ServerboundStatusRequestPacket =
+        throw UnsupportedOperationException()
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/protocol/GameProtocols.kt

@@ -9,19 +9,34 @@ package cn.rtast.libmc.protocol.protocol
 import cn.rtast.libmc.protocol.packet.configuration.clientbound.*
 import cn.rtast.libmc.protocol.packet.configuration.serverbound.*
 import cn.rtast.libmc.protocol.packet.handshake.ServerboundHandshakePacket
-import cn.rtast.libmc.protocol.packet.login.clientbound.ClientboundDisconnectLoginPacket
+import cn.rtast.libmc.protocol.packet.login.clientbound.*
-import cn.rtast.libmc.protocol.packet.login.clientbound.ClientboundLoginSuccessPacket
+import cn.rtast.libmc.protocol.packet.login.serverbound.ServerboundCustomQueryAnswerPacket
-import cn.rtast.libmc.protocol.packet.login.clientbound.ClientboundSetCompressionPacket
+import cn.rtast.libmc.protocol.packet.login.serverbound.ServerboundKeyPacket
 import cn.rtast.libmc.protocol.packet.login.serverbound.ServerboundLoginAcknowledgedPacket
 import cn.rtast.libmc.protocol.packet.login.serverbound.ServerboundLoginStartPacket
 import cn.rtast.libmc.protocol.packet.play.clientbound.*
 import cn.rtast.libmc.protocol.packet.play.serverbound.*
-import cn.rtast.libmc.protocol.packet.status.serverbound.ServerboundPingRequest
+import cn.rtast.libmc.protocol.packet.status.clientbound.ClientboundPongResponsePacket
+import cn.rtast.libmc.protocol.packet.status.clientbound.ClientboundStatusResponsePacket
+import cn.rtast.libmc.protocol.packet.status.serverbound.ServerboundPingRequestPacket
+import cn.rtast.libmc.protocol.packet.status.serverbound.ServerboundStatusRequestPacket
 import cn.rtast.libmc.protocol.protocol.state.ProtocolState
 import cn.rtast.libmc.protocol.protocol.state.ProtocolStateRegistry
 
 internal object GameProtocols {
     val clientboundGameProtocols = ProtocolStateRegistry().apply {
+        register(ProtocolState.STATUS) {
+            register(0x00, ClientboundStatusResponsePacket)
+            register(0x01, ClientboundPongResponsePacket)
+        }
+        register(ProtocolState.LOGIN) {
+            register(0x00, ClientboundDisconnectLoginPacket)
+            register(0x01, ClientboundHelloPacket)
+            register(0x02, ClientboundLoginSuccessPacket)
+            register(0x03, ClientboundSetCompressionPacket)
+            register(0x04, ClientboundCustomQueryPacket)
+            register(0x05, ClientboundCookieRequestPacket)
+        }
         register(ProtocolState.CONFIGURATION) {
             register(0x00, ClientboundCookieRequestPacket)
             register(0x01, ClientboundCustomPayloadPacket)
@@ -29,12 +44,20 @@ internal object GameProtocols {
             register(0x03, ClientboundFinishConfigurationPacket)
             register(0x04, ClientboundKeepAliveConfigurationPacket)
             register(0x05, ClientboundPingConfigurationPacket)
+            register(0x06, ClientboundResetChatPacket)
+            register(0x07, ClientboundRegistryDataPacket)
+            register(0x08, ClientboundRemoveResourcePackPacket)
+            register(0x09, ClientboundAddResourcePackPacket)
+            register(0x0a, ClientboundStoreCookiePacket)
+            register(0x0b, ClientboundTransferPacket)
+            register(0x0c, ClientboundUpdateEnabledFeaturesPacket)
+            register(0x0d, ClientboundUpdateTagsPacket)
             register(0x0e, ClientboundSelectKnownPacksPacket)
-        }
+            register(0x0f, ClientboundCustomReportDetailsPacket)
-        register(ProtocolState.LOGIN) {
+            register(0x10, ClientboundServerLinksPacket)
-            register(0x00, ClientboundDisconnectLoginPacket)
+            register(0x11, ClientboundClearDialogPacket)
-            register(0x02, ClientboundLoginSuccessPacket)
+            register(0x12, ClientboundConfigurationShowDialogPacket)
-            register(0x03, ClientboundSetCompressionPacket)
+            register(0x13, ClientboundCodeOfConductPacket)
         }
         register(ProtocolState.PLAY) {
             register(0x00, ClientboundDelimiterPacket)
@@ -45,13 +68,29 @@ internal object GameProtocols {
             register(0x05, ClientboundBlockDestructionPacket)
             register(0x06, ClientboundBlockEntityDataPacket)
 
+            register(0x15, ClientboundCookieRequestPacket)
+
             register(0x20, ClientboundDisconnectPlayPacket)
+            register(0x24, ClientboundCustomPayloadPacket)
             register(0x2c, ClientboundKeepAlivePlayPacket)
             register(0x31, ClientboundLoginPlayPacket)
-            register(0x3d, ClientboundPingPlayPacket)
+            register(0x3d, ClientboundPingPacket)
             register(0x41, ClientboundPlayerChatMessagePacket)
+            register(0x50, ClientboundRemoveResourcePackPacket)
+            register(0x51, ClientboundAddResourcePackPacket)
             register(0x76, ClientboundStartConfigurationPacket)
+            register(0x78, ClientboundStoreCookiePacket)
             register(0x79, ClientboundSystemChatMessagePacket)
+
+            register(0x81, ClientboundTransferPacket)
+
+            register(0x86, ClientboundUpdateTagsPacket)
+
+            register(0x88, ClientboundCustomReportDetailsPacket)
+            register(0x89, ClientboundServerLinksPacket)
+
+            register(0x8b, ClientboundClearDialogPacket)
+            register(0x8c, ClientboundShowDialogPacket)
         }
     }
 
@@ -59,17 +98,27 @@ internal object GameProtocols {
         register(ProtocolState.HANDSHAKE) {
             register(0x00, ServerboundHandshakePacket)
         }
+        register(ProtocolState.STATUS) {
+            register(0x00, ServerboundStatusRequestPacket)
+            register(0x01, ServerboundPingRequestPacket)
+        }
+        register(ProtocolState.LOGIN) {
+            register(0x00, ServerboundLoginStartPacket)
+            register(0x01, ServerboundKeyPacket)
+            register(0x02, ServerboundCustomQueryAnswerPacket)
+            register(0x03, ServerboundLoginAcknowledgedPacket)
+            register(0x04, ServerboundCookieResponsePacket)
+        }
         register(ProtocolState.CONFIGURATION) {
             register(0x00, ServerboundCookieResponsePacket)
+            register(0x01, ServerboundCookieResponsePacket)
             register(0x02, ServerboundCustomPayloadPacket)
             register(0x03, ServerboundAckFinishConfigurationPacket)
             register(0x04, ServerboundKeepAliveConfigurationPacket)
             register(0x05, ServerboundPongConfigurationPacket)
             register(0x07, ServerboundSelectKnownPacksPacket)
-        }
+            register(0x08, ServerboundCustomClickActionPacket)
-        register(ProtocolState.LOGIN) {
+            register(0x09, ServerboundAcceptCodeOfConductPacket)
-            register(0x00, ServerboundLoginStartPacket)
-            register(0x03, ServerboundLoginAcknowledgedPacket)
         }
         register(ProtocolState.PLAY) {
             register(0x00, ServerboundAcceptTeleportationPacket)
@@ -110,7 +159,7 @@ internal object GameProtocols {
             register(0x23, ServerboundPaddleBoatPacket)
             register(0x24, ServerboundPickItemFromBlockPacket)
             register(0x25, ServerboundPickItemFromEntityPacket)
-            register(0x26, ServerboundPingRequest)
+            register(0x26, ServerboundPingRequestPacket)
             register(0x27, ServerboundPlaceRecipePacket)
             register(0x28, ServerboundPlayerAbilitiesPacket)
             register(0x29, ServerboundPlayerActionPacket)

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/protocol/game/registry/RegistryEntry.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.protocol.game.registry
+
+import cn.rtast.libmc.common.BytesBuffer
+import cn.rtast.libmc.common.PacketCodec
+import cn.rtast.libmc.nbt.NBTCompound
+import cn.rtast.libmc.protocol.protocol.game.Identifier
+import cn.rtast.libmc.protocol.protocol.game.readIdentifier
+import cn.rtast.libmc.protocol.protocol.game.writeIdentifier
+import cn.rtast.libmc.protocol.protocol.util.readNetworkNBTCompound
+import cn.rtast.libmc.protocol.protocol.util.writeNetworkNBTCompound
+
+public data class RegistryEntry(
+    /**
+     * Name of the entry, such as minecraft:overworld.
+     */
+    val id: Identifier,
+    /**
+     * Entry data. If omitted, sourced from the selected known packs.
+     */
+    val data: NBTCompound?,
+) {
+    public companion object Codec : PacketCodec<RegistryEntry> {
+        override fun encode(buffer: BytesBuffer, value: RegistryEntry) {
+            buffer.writeIdentifier(value.id)
+            buffer.writeBoolean(value.data != null)
+            if (value.data != null) buffer.writeNetworkNBTCompound(value.data)
+        }
+
+        override fun decode(buffer: BytesBuffer): RegistryEntry {
+            val id = buffer.readIdentifier()
+            val hasData = buffer.readBoolean()
+            val data = if (hasData) buffer.readNetworkNBTCompound() else null
+            return RegistryEntry(id, data)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/protocol/state/ProtocolState.kt

@@ -12,5 +12,10 @@ public enum class ProtocolState {
     LOGIN,
     CONFIGURATION,
     PLAY,
-    DISCONNECTED
+    STATUS,
+
+    /**
+     * reserved
+     */
+    DISCONNECTED,
 }

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/registry/report/BuiltinServerLinkType.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.registry.report
+
+public enum class BuiltinServerLinkType(public val id: Int) {
+    BUG_REPORT(0),
+    COMMUNITY_GUIDELINES(1),
+    SUPPORT(2),
+    STATUS(3),
+    FEEDBACK(4),
+    COMMUNITY(5),
+    WEBSITE(6),
+    FORUMS(7),
+    NEWS(8),
+    ANNOUNCEMENTS(9);
+
+    public companion object {
+        public fun fromID(id: Int): BuiltinServerLinkType = entries.first { it.id == id }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/registry/report/ServerLink.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/6
+ */
+
+
+package cn.rtast.libmc.protocol.registry.report
+
+import cn.rtast.libmc.common.*
+import cn.rtast.libmc.nbt.NBTCompound
+import cn.rtast.libmc.protocol.protocol.util.readNetworkNBTCompound
+import cn.rtast.libmc.protocol.protocol.util.writeNetworkNBTCompound
+
+public data class ServerLink(val label: ServerLinkLabel, val url: String) {
+    public companion object Codec : PacketCodec<ServerLink> {
+        override fun encode(buffer: BytesBuffer, value: ServerLink) {
+            when (value.label) {
+                is ServerLinkLabel.Builtin -> {
+                    buffer.writeBoolean(true)
+                    buffer.writeVarInt(value.label.type.id)
+                }
+
+                is ServerLinkLabel.Custom -> {
+                    buffer.writeBoolean(false)
+                    buffer.writeNetworkNBTCompound(value.label.text)
+                }
+            }
+            buffer.writeMcString(value.url)
+        }
+
+        override fun decode(buffer: BytesBuffer): ServerLink {
+            val isBuiltin = buffer.readBoolean()
+            val label = if (isBuiltin) ServerLinkLabel.Builtin(BuiltinServerLinkType.fromID(buffer.readVarInt()))
+            else ServerLinkLabel.Custom(buffer.readNetworkNBTCompound())
+            val url = buffer.readMcString()
+            return ServerLink(label, url)
+        }
+    }
+}
+
+public sealed interface ServerLinkLabel {
+    public data class Builtin(val type: BuiltinServerLinkType) : ServerLinkLabel
+    public data class Custom(val text: NBTCompound) : ServerLinkLabel
+}