Implemented clientbound packet player_info_update 0x46

README.md

@@ -143,7 +143,7 @@ A lightweight minecraft client-side protocol library and related library, includ
 - [x] `0x0D` Chunks Biomes (`ClientboundChunksBiomesPacket`)
 - [x] `0x0E` Clear Titles (`ClientboundClearTitlesPacket`)
 - [x] `0x0F` Command Suggestions (`ClientboundCommandSuggestionsPacket`)
-- [ ] `0x10` Commands (`ClientboundCommandsPacket`)
+- [x] `0x10` Commands (`ClientboundCommandsPacket`)
 - [x] `0x11` Container Close (`ClientboundContainerClosePacket`)
 - [ ] `0x12` Container Set Content (`ClientboundContainerSetContentPacket`)
 - [x] `0x13` Container Set Data (`ClientboundContainerSetDataPacket`)
@@ -178,7 +178,7 @@ A lightweight minecraft client-side protocol library and related library, includ
 - [ ] `0x30` Light Update (`ClientboundLightUpdatePacket`)
 - [x] `0x31` Login Play (`ClientboundLoginPlayPacket`)
 - [x] `0x32` Low Disk Space Warning (`ClientboundLowDiskSpaceWarningPacket`)
-- [ ] `0x33` Map Item Data (`ClientboundMapItemDataPacket`)
+- [x] `0x33` Map Item Data (`ClientboundMapItemDataPacket`)
 - [ ] `0x34` Merchant Offers (`ClientboundMerchantOffersPacket`)
 - [x] `0x35` Update Entity Position (`ClientboundUpdateEntityPositionPacket`)
 - [x] `0x36` Update Entity Position and Rotation (`ClientboundUpdateEntityPositionAndRotationPacket`)
@@ -197,7 +197,7 @@ A lightweight minecraft client-side protocol library and related library, includ
 - [x] `0x43` Player Enter Combat (`ClientboundPlayerEnterCombatPacket`)
 - [x] `0x44` Player Combat Death (`ClientboundPlayerCombatDeathPacket`)
 - [x] `0x45` Player Info Remove (`ClientboundPlayerInfoRemovePacket`)
-- [ ] `0x46` Player Info Update (`ClientboundPlayerInfoUpdatePacket`)
+- [x] `0x46` Player Info Update (`ClientboundPlayerInfoUpdatePacket`)
 - [x] `0x47` Player Look At (`ClientboundPlayerLookAtPacket`)
 - [x] `0x48` Synchronize Player Position (`ClientboundSynchronizePlayerPositionPacket`)
 - [x] `0x49` Player Rotation (`ClientboundPlayerRotationPacket`)
@@ -265,7 +265,7 @@ A lightweight minecraft client-side protocol library and related library, includ
 - [x] `0x87` Projectile Power (`ClientboundProjectilePowerPacket`)
 - [x] `0x88` Custom Report Details (`ClientboundCustomReportDetailsPacket`)
 - [x] `0x89` Server Links (`ClientboundServerLinksPacket`)
-- [ ] `0x8A` Waypoint (`ClientboundWaypointPacket`)
+- [x] `0x8A` Waypoint (`ClientboundWaypointPacket`)
 - [x] `0x8B` Clear Dialog (`ClientboundClearDialogPacket`)
 - [x] `0x8C` Show Dialog (`ClientboundShowDialogPacket`)
 

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

@@ -0,0 +1,89 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/7
+ */
+
+
+package cn.rtast.libmc.protocol.packet.play.clientbound
+
+import cn.rtast.libmc.packet.MinecraftPacket
+import cn.rtast.libmc.packet.PacketCodec
+import cn.rtast.libmc.primitives.*
+import cn.rtast.libmc.protocol.protocol.game.chat.readTextComponent
+import cn.rtast.libmc.protocol.protocol.game.player.action.PlayerInfoUpdateEntry
+import cn.rtast.libmc.protocol.protocol.game.player.action.PlayerUpdateInfoAction
+import cn.rtast.libmc.protocol.protocol.game.player.action.SinglePlayerAction
+import cn.rtast.libmc.protocol.protocol.game.session.GameProfile
+import cn.rtast.libmc.stream.BytesBuffer
+
+public data class ClientboundPlayerInfoUpdatePacket(
+    val actions: Set<PlayerUpdateInfoAction>,
+    val entries: List<PlayerInfoUpdateEntry>,
+) : MinecraftPacket {
+    internal companion object Codec : PacketCodec<ClientboundPlayerInfoUpdatePacket> {
+        override suspend fun encode(buffer: BytesBuffer, value: ClientboundPlayerInfoUpdatePacket) {}
+        override suspend fun decode(buffer: BytesBuffer): ClientboundPlayerInfoUpdatePacket {
+            val actionsMask = buffer.readUByte().toInt()
+            val actionsSet = PlayerUpdateInfoAction.parseActions(actionsMask)
+            val playerCount = buffer.readVarInt()
+            val entries = ArrayList<PlayerInfoUpdateEntry>(playerCount)
+            repeat(playerCount) {
+                val playerUuid = buffer.readUuid()
+                val playerActions = ArrayList<SinglePlayerAction>(actionsSet.size)
+                for (action in PlayerUpdateInfoAction.entries) {
+                    if (action !in actionsSet) continue
+                    val parsedAction = when (action) {
+                        PlayerUpdateInfoAction.ADD_PLAYER -> {
+                            val name = buffer.readMcString()
+                            val properties = buffer.readPrefixed {
+                                GameProfile.Property.decode(buffer)
+                            }
+                            SinglePlayerAction.AddPlayer(name, properties)
+                        }
+
+                        PlayerUpdateInfoAction.INITIALIZE_CHAT -> {
+                            buffer.readOptional {
+                                SinglePlayerAction.InitializeChat(
+                                    readUuid(), readLong(),
+                                    readBytes(512), readBytes(4096)
+                                )
+                            } ?: SinglePlayerAction.InitializeChat(null, null, null, null)
+                        }
+
+                        PlayerUpdateInfoAction.UPDATE_GAME_MODE -> {
+                            SinglePlayerAction.UpdateGameMode(buffer.readVarInt())
+                        }
+
+                        PlayerUpdateInfoAction.UPDATE_LISTED -> {
+                            SinglePlayerAction.UpdateListed(buffer.readBoolean())
+                        }
+
+                        PlayerUpdateInfoAction.UPDATE_LATENCY -> {
+                            SinglePlayerAction.UpdateLatency(buffer.readVarInt())
+                        }
+
+                        PlayerUpdateInfoAction.UPDATE_DISPLAY_NAME -> {
+                            val hasDisplayName = buffer.readBoolean()
+                            val displayName = if (hasDisplayName) buffer.readTextComponent() else null
+                            SinglePlayerAction.UpdateDisplayName(displayName)
+                        }
+
+                        PlayerUpdateInfoAction.UPDATE_LIST_PRIORITY -> {
+                            SinglePlayerAction.UpdateListPriority(buffer.readVarInt())
+                        }
+
+                        PlayerUpdateInfoAction.UPDATE_HAT -> {
+                            SinglePlayerAction.UpdateHat(buffer.readBoolean())
+                        }
+                    }
+
+                    playerActions.add(parsedAction)
+                }
+
+                entries.add(PlayerInfoUpdateEntry(playerUuid, playerActions))
+            }
+            return ClientboundPlayerInfoUpdatePacket(actionsSet, entries)
+        }
+    }
+}

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/play/serverbound/ServerboundClientCommandPacket.kt

@@ -11,7 +11,7 @@ import cn.rtast.libmc.stream.BytesBuffer
 import cn.rtast.libmc.packet.PacketCodec
 import cn.rtast.libmc.packet.MinecraftPacket
 import cn.rtast.libmc.primitives.writeVarInt
-import cn.rtast.libmc.protocol.protocol.game.player.PlayerActionStatus
+import cn.rtast.libmc.protocol.protocol.game.player.action.PlayerActionStatus
 
 public data class ServerboundClientCommandPacket(val action: PlayerActionStatus) : MinecraftPacket {
     internal companion object Codec : PacketCodec<ServerboundClientCommandPacket> {

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/play/serverbound/ServerboundPlayerActionPacket.kt

@@ -14,7 +14,7 @@ import cn.rtast.libmc.primitives.writeVarInt
 import cn.rtast.libmc.protocol.protocol.game.block.BlockFace
 import cn.rtast.libmc.protocol.protocol.game.block.BlockPos
 import cn.rtast.libmc.protocol.protocol.game.block.writeBlockPos
-import cn.rtast.libmc.protocol.protocol.game.player.PlayerActionStatus
+import cn.rtast.libmc.protocol.protocol.game.player.action.PlayerActionStatus
 
 /**
  * ref: https://minecraft.wiki/w/Java_Edition_protocol/Packets#Player_Action

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/packet/play/serverbound/ServerboundPlayerCommandPacket.kt

@@ -11,7 +11,7 @@ import cn.rtast.libmc.stream.BytesBuffer
 import cn.rtast.libmc.packet.PacketCodec
 import cn.rtast.libmc.packet.MinecraftPacket
 import cn.rtast.libmc.primitives.writeVarInt
-import cn.rtast.libmc.protocol.protocol.game.player.PlayerCommandAction
+import cn.rtast.libmc.protocol.protocol.game.player.action.PlayerCommandAction
 
 public data class ServerboundPlayerCommandPacket(
     val entityId: Int,

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

@@ -48,12 +48,12 @@ internal object GamePacketsProtocolCodec {
             register(0x07, ClientboundRegistryDataPacket)
             register(0x08, ClientboundRemoveResourcePackPacket)
             register(0x09, ClientboundAddResourcePackPacket)
-            register(0x0a, ClientboundStoreCookiePacket)
+            register(0x0A, ClientboundStoreCookiePacket)
-            register(0x0b, ClientboundTransferPacket)
+            register(0x0B, ClientboundTransferPacket)
-            register(0x0c, ClientboundUpdateEnabledFeaturesPacket)
+            register(0x0C, ClientboundUpdateEnabledFeaturesPacket)
-            register(0x0d, ClientboundUpdateTagsPacket)
+            register(0x0D, ClientboundUpdateTagsPacket)
-            register(0x0e, ClientboundSelectKnownPacksPacket)
+            register(0x0E, ClientboundSelectKnownPacksPacket)
-            register(0x0f, ClientboundCustomReportDetailsPacket)
+            register(0x0F, ClientboundCustomReportDetailsPacket)
             register(0x10, ClientboundServerLinksPacket)
             register(0x11, ClientboundClearDialogPacket)
             register(0x12, ClientboundConfigurationShowDialogPacket)
@@ -70,12 +70,12 @@ internal object GamePacketsProtocolCodec {
             register(0x07, ClientboundBlockEventPacket)
             register(0x08, ClientboundBlockUpdatePacket)
             register(0x09, ClientboundBossEventPacket)
-            register(0x0a, ClientboundChangeDifficultyPacket)
+            register(0x0A, ClientboundChangeDifficultyPacket)
-            register(0x0b, ClientboundChunkBatchFinishedPacket)
+            register(0x0B, ClientboundChunkBatchFinishedPacket)
-            register(0x0c, ClientboundChunkBatchStartPacket)
+            register(0x0C, ClientboundChunkBatchStartPacket)
-            register(0x0d, ClientboundChunksBiomesPacket)
+            register(0x0D, ClientboundChunksBiomesPacket)
-            register(0x0e, ClientboundClearTitlesPacket)
+            register(0x0E, ClientboundClearTitlesPacket)
-            register(0x0f, ClientboundCommandSuggestionsPacket)
+            register(0x0F, ClientboundCommandSuggestionsPacket)
             register(0x10, ClientboundCommandsPacket)
             register(0x11, ClientboundContainerClosePacket)
 //            register(0x12, ClientboundContainerSetContentPacket)
@@ -86,12 +86,12 @@ internal object GamePacketsProtocolCodec {
             register(0x17, ClientboundCustomChatCompletionsPacket)
             register(0x18, ClientboundCustomPayloadPacket)
             register(0x19, ClientboundDamageEventPacket)
-//            register(0x1a, ClientboundDebugBlockValuePacket)
+//            register(0x1A, ClientboundDebugBlockValuePacket)
-//            register(0x1b, ClientboundDebugChunkValuePacket)
+//            register(0x1B, ClientboundDebugChunkValuePacket)
-//            register(0x1c, ClientboundDebugEntityValuePacket)
+//            register(0x1C, ClientboundDebugEntityValuePacket)
-//            register(0x1d, ClientboundDebugEventPacket)
+//            register(0x1D, ClientboundDebugEventPacket)
-//            register(0x1e, ClientboundDebugSamplePacket)
+//            register(0x1E, ClientboundDebugSamplePacket)
-            register(0x1f, ClientboundDeleteChatPacket)
+            register(0x1F, ClientboundDeleteChatPacket)
             register(0x20, ClientboundDisconnectPlayPacket)
             register(0x21, ClientboundDisguisedChatMessagePacket)
             register(0x22, ClientboundEntityEventPacket)
@@ -102,12 +102,12 @@ internal object GamePacketsProtocolCodec {
             register(0x27, ClientboundGameRuleValuesPacket)
             register(0x28, ClientboundTestHighlightPositionPacket)
             register(0x29, ClientboundOpenHorseScreenPacket)
-            register(0x2a, ClientboundHurtAnimationPacket)
+            register(0x2A, ClientboundHurtAnimationPacket)
-            register(0x2b, ClientboundInitializeWorldBorderPacket)
+            register(0x2B, ClientboundInitializeWorldBorderPacket)
-            register(0x2c, ClientboundKeepAlivePlayPacket)
+            register(0x2C, ClientboundKeepAlivePlayPacket)
-//            register(0x2d, ClientboundLevelChunkUpdateWithLightPacket)
+//            register(0x2D, ClientboundLevelChunkUpdateWithLightPacket)
-            register(0x2e, ClientboundLevelEventPacket)
+            register(0x2E, ClientboundLevelEventPacket)
-//            register(0x2f, ClientboundParticlePacket)
+//            register(0x2F, ClientboundParticlePacket)
 //            register(0x30, ClientboundLightUpdatePacket)
             register(0x31, ClientboundLoginPlayPacket)
             register(0x32, ClientboundLowDiskSpaceWarningPacket)
@@ -118,28 +118,28 @@ internal object GamePacketsProtocolCodec {
             register(0x37, ClientboundMoveMinecartAlongTrackPacket)
             register(0x38, ClientboundUpdateEntityRotationPacket)
             register(0x39, ClientboundMoveVehiclePacket)
-            register(0x3a, ClientboundOpenBookPacket)
+            register(0x3A, ClientboundOpenBookPacket)
-            register(0x3b, ClientboundOpenScreenPacket)
+            register(0x3B, ClientboundOpenScreenPacket)
-            register(0x3c, ClientboundOpenSignEditorPacket)
+            register(0x3C, ClientboundOpenSignEditorPacket)
-            register(0x3d, ClientboundPingPacket)
+            register(0x3D, ClientboundPingPacket)
-            register(0x3e, ClientboundPongResponsePacket)
+            register(0x3E, ClientboundPongResponsePacket)
-//            register(0x3f, ClientboundPlaceGhostRecipePacket)
+//            register(0x3F, ClientboundPlaceGhostRecipePacket)
             register(0x40, ClientboundPlayerAbilitiesPacket)
             register(0x41, ClientboundPlayerChatMessagePacket)
             register(0x42, ClientboundPlayerEndCombatPacket)
             register(0x43, ClientboundPlayerEnterCombatPacket)
             register(0x44, ClientboundPlayerCombatDeathPacket)
             register(0x45, ClientboundPlayerInfoRemovePacket)
-//            register(0x46, ClientboundPlayerInfoUpdatePacket)
+            register(0x46, ClientboundPlayerInfoUpdatePacket)
             register(0x47, ClientboundPlayerLookAtPacket)
             register(0x48, ClientboundSynchronizePlayerPositionPacket)
             register(0x49, ClientboundPlayerRotationPacket)
-//            register(0x4a, ClientboundRecipeBookAddPacket)
+//            register(0x4A, ClientboundRecipeBookAddPacket)
-//            register(0x4b, ClientboundRecipeBookRemovePacket)
+//            register(0x4B, ClientboundRecipeBookRemovePacket)
-//            register(0x4c, ClientboundRecipeBookSettingsPacket)
+//            register(0x4C, ClientboundRecipeBookSettingsPacket)
-            register(0x4d, ClientboundRemoveEntitiesPacket)
+            register(0x4D, ClientboundRemoveEntitiesPacket)
-            register(0x4e, ClientboundRemoveEntityEffectPacket)
+            register(0x4E, ClientboundRemoveEntityEffectPacket)
-            register(0x4f, ClientboundResetScorePacket)
+            register(0x4F, ClientboundResetScorePacket)
             register(0x50, ClientboundRemoveResourcePackPacket)
             register(0x51, ClientboundAddResourcePackPacket)
             register(0x52, ClientboundRespawnPacket)
@@ -150,12 +150,12 @@ internal object GamePacketsProtocolCodec {
             register(0x57, ClientboundSetActionBarTextPacket)
             register(0x58, ClientboundSetBorderCenterPacket)
             register(0x59, ClientboundSetBorderLeapSizePacket)
-            register(0x5a, ClientboundSetBorderSizePacket)
+            register(0x5A, ClientboundSetBorderSizePacket)
-            register(0x5b, ClientboundSetBorderWarningDelayPacket)
+            register(0x5B, ClientboundSetBorderWarningDelayPacket)
-            register(0x5c, ClientboundSetBorderWarningDistancePacket)
+            register(0x5C, ClientboundSetBorderWarningDistancePacket)
-            register(0x5d, ClientboundSetCameraPacket)
+            register(0x5D, ClientboundSetCameraPacket)
-            register(0x5e, ClientboundSetCenterChunkPacket)
+            register(0x5E, ClientboundSetCenterChunkPacket)
-            register(0x5f, ClientboundSetRenderDistancePacket)
+            register(0x5F, ClientboundSetRenderDistancePacket)
 //            register(0x60, ClientboundSetCursorItemPacket)
             register(0x61, ClientboundSetDefaultSpawnPositionPacket)
             register(0x62, ClientboundSetDisplayObjectivePacket)
@@ -166,12 +166,12 @@ internal object GamePacketsProtocolCodec {
             register(0x67, ClientboundSetExperiencePacket)
             register(0x68, ClientboundSetHealthPacket)
             register(0x69, ClientboundSetCarriedItemPacket)
-            register(0x6a, ClientboundUpdateObjectivePacket)
+            register(0x6A, ClientboundUpdateObjectivePacket)
-            register(0x6b, ClientboundSetPassengersPacket)
+            register(0x6B, ClientboundSetPassengersPacket)
-//            register(0x6c, ClientboundSetPlayerInventorySlotPacket)
+//            register(0x6C, ClientboundSetPlayerInventorySlotPacket)
-//            register(0x6d, ClientboundSetPlayerTeamPacket)
+//            register(0x6D, ClientboundSetPlayerTeamPacket)
-            register(0x6e, ClientboundUpdateScorePacket)
+            register(0x6E, ClientboundUpdateScorePacket)
-            register(0x6f, ClientboundSetSimulationDistancePacket)
+            register(0x6F, ClientboundSetSimulationDistancePacket)
             register(0x70, ClientboundSetSubtitleTextPacket)
             register(0x71, ClientboundSetTimePacket)
             register(0x72, ClientboundSetTitleTextPacket)
@@ -182,12 +182,12 @@ internal object GamePacketsProtocolCodec {
             register(0x77, ClientboundStopSoundPacket)
             register(0x78, ClientboundStoreCookiePacket)
             register(0x79, ClientboundSystemChatMessagePacket)
-            register(0x7a, ClientboundSetTabListHeaderAndFooterPacket)
+            register(0x7A, ClientboundSetTabListHeaderAndFooterPacket)
-            register(0x7b, ClientboundTagQueryResponsePacket)
+            register(0x7B, ClientboundTagQueryResponsePacket)
-            register(0x7c, ClientboundPickupItemPacket)
+            register(0x7C, ClientboundPickupItemPacket)
-            register(0x7d, ClientboundSynchronizeVehiclePositionPacket)
+            register(0x7D, ClientboundSynchronizeVehiclePositionPacket)
-            register(0x7e, ClientboundTestInstanceBlockStatusPacket)
+            register(0x7E, ClientboundTestInstanceBlockStatusPacket)
-            register(0x7f, ClientboundSetTickingStatePacket)
+            register(0x7F, ClientboundSetTickingStatePacket)
             register(0x80, ClientboundStepTickPacket)
             register(0x81, ClientboundTransferPacket)
 //            register(0x82, ClientboundUpdateAdvancementsPacket)
@@ -198,9 +198,9 @@ internal object GamePacketsProtocolCodec {
             register(0x87, ClientboundProjectilePowerPacket)
             register(0x88, ClientboundCustomReportDetailsPacket)
             register(0x89, ClientboundServerLinksPacket)
-            register(0x8a, ClientboundWaypointPacket)
+            register(0x8A, ClientboundWaypointPacket)
-            register(0x8b, ClientboundClearDialogPacket)
+            register(0x8B, ClientboundClearDialogPacket)
-            register(0x8c, ClientboundShowDialogPacket)
+            register(0x8C, ClientboundShowDialogPacket)
         }
     }
 
@@ -241,12 +241,12 @@ internal object GamePacketsProtocolCodec {
             register(0x07, ServerboundChatCommandPacket)
             register(0x08, ServerboundSignedChatCommandPacket)
             register(0x09, ServerboundChatMessagePacket)
-            register(0x0a, ServerboundUpdateChatSessionPacket)
+            register(0x0A, ServerboundUpdateChatSessionPacket)
-            register(0x0b, ServerboundChunkBatchReceivedPacket)
+            register(0x0B, ServerboundChunkBatchReceivedPacket)
-            register(0x0c, ServerboundClientCommandPacket)
+            register(0x0C, ServerboundClientCommandPacket)
-            register(0x0d, ServerboundClientTickEndPacket)
+            register(0x0D, ServerboundClientTickEndPacket)
-            register(0x0e, ServerboundClientInformationPacket)
+            register(0x0E, ServerboundClientInformationPacket)
-            register(0x0f, ServerboundCommandSuggestionRequestPacket)
+            register(0x0F, ServerboundCommandSuggestionRequestPacket)
             register(0x10, ServerboundConfigurationAcknowledgedPacket)
             register(0x11, ServerboundContainerClickButtonPacket)
 //            register(0x12, ServerboundContainerClickPacket)
@@ -257,12 +257,12 @@ internal object GamePacketsProtocolCodec {
 //            register(0x17, ServerboundDebugSubscriptionRequestPacket)
             register(0x18, ServerboundEditBookPacket)
             register(0x19, ServerboundQueryEntityTagPacket)
-            register(0x1a, ServerboundInteractPacket)
+            register(0x1A, ServerboundInteractPacket)
-            register(0x1b, ServerboundJigsawGeneratePacket)
+            register(0x1B, ServerboundJigsawGeneratePacket)
-            register(0x1c, ServerboundKeepAlivePlayPacket)
+            register(0x1C, ServerboundKeepAlivePlayPacket)
-            register(0x1d, ServerboundLockDifficultyPacket)
+            register(0x1D, ServerboundLockDifficultyPacket)
-            register(0x1e, ServerboundSetPlayerPositionPacket)
+            register(0x1E, ServerboundSetPlayerPositionPacket)
-            register(0x1f, ServerboundSetPlayerPositionAndRotationPacket)
+            register(0x1F, ServerboundSetPlayerPositionAndRotationPacket)
             register(0x20, ServerboundSetPlayerRotationPacket)
             register(0x21, ServerboundSetPlayerMovementFlagPacket)
             register(0x22, ServerboundMoveVehiclePacket)
@@ -273,12 +273,12 @@ internal object GamePacketsProtocolCodec {
             register(0x27, ServerboundPlaceRecipePacket)
             register(0x28, ServerboundPlayerAbilitiesPacket)
             register(0x29, ServerboundPlayerActionPacket)
-            register(0x2a, ServerboundPlayerCommandPacket)
+            register(0x2A, ServerboundPlayerCommandPacket)
-            register(0x2b, ServerboundPlayerInputPacket)
+            register(0x2B, ServerboundPlayerInputPacket)
-            register(0x2c, ServerboundPlayerLoadedPacket)
+            register(0x2C, ServerboundPlayerLoadedPacket)
-            register(0x2d, ServerboundPongPlayPacket)
+            register(0x2D, ServerboundPongPlayPacket)
-            register(0x2e, ServerboundRecipeBookChangeSettingsPacket)
+            register(0x2E, ServerboundRecipeBookChangeSettingsPacket)
-            register(0x2f, ServerboundRecipeBookSeenRecipePacket)
+            register(0x2F, ServerboundRecipeBookSeenRecipePacket)
             register(0x30, ServerboundRenameItemPacket)
             register(0x31, ServerboundResourcePackResponsePacket)
             register(0x32, ServerboundSeenAdvancementsPacket)
@@ -289,12 +289,12 @@ internal object GamePacketsProtocolCodec {
             register(0x37, ServerboundSetCommandMinecartPacket)
 //            register(0x38, ServerboundSetCreativeModeSlotPacket)
             register(0x39, ServerboundSetGameRulePacket)
-            register(0x3a, ServerboundSetJigsawBlockPacket)
+            register(0x3A, ServerboundSetJigsawBlockPacket)
-            register(0x3b, ServerboundSetStructureBlockPacket)
+            register(0x3B, ServerboundSetStructureBlockPacket)
-            register(0x3c, ServerboundSetTestBlockPacket)
+            register(0x3C, ServerboundSetTestBlockPacket)
-            register(0x3d, ServerboundSignUpdatePacket)
+            register(0x3D, ServerboundSignUpdatePacket)
-            register(0x3e, ServerboundSpectatorActionPacket)
+            register(0x3E, ServerboundSpectatorActionPacket)
-            register(0x3f, ServerboundSwingPacket)
+            register(0x3F, ServerboundSwingPacket)
             register(0x40, ServerboundTeleportToEntityPacket)
             register(0x41, ServerboundTestInstanceBlockActionPacket)
             register(0x42, ServerboundUseItemOnPacket)

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/protocol/game/player/action/PlayerActionStatus.kt

@@ -5,7 +5,7 @@
  */
 
 
-package cn.rtast.libmc.protocol.protocol.game.player
+package cn.rtast.libmc.protocol.protocol.game.player.action
 
 public enum class PlayerActionStatus(public val id: Int) {
     STARTED_DIGGING(0),

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/protocol/game/player/action/PlayerCommandAction.kt

@@ -5,7 +5,7 @@
  */
 
 
-package cn.rtast.libmc.protocol.protocol.game.player
+package cn.rtast.libmc.protocol.protocol.game.player.action
 
 public enum class PlayerCommandAction(public val id: Int) {
     LEAVE_BED(0),

libmc-protocol/src/commonMain/kotlin/cn/rtast/libmc/protocol/protocol/game/player/action/PlayerUpdateInfoAction.kt

@@ -0,0 +1,79 @@
+/*
+ * Copyright © 2026 RTAkland
+ * Author: RTAkland
+ * Date: 2026/9/7
+ */
+
+
+package cn.rtast.libmc.protocol.protocol.game.player.action
+
+import cn.rtast.libmc.protocol.protocol.game.chat.TextComponent
+import cn.rtast.libmc.protocol.protocol.game.session.GameProfile
+import kotlin.uuid.Uuid
+
+public enum class PlayerUpdateInfoAction(public val mask: Int) {
+    ADD_PLAYER(0x01),
+    INITIALIZE_CHAT(0x02),
+    UPDATE_GAME_MODE(0x04),
+    UPDATE_LISTED(0x08),
+    UPDATE_LATENCY(0x10),
+    UPDATE_DISPLAY_NAME(0x20),
+    UPDATE_LIST_PRIORITY(0x40),
+    UPDATE_HAT(0x80);
+
+    public companion object {
+        public fun parseActions(mask: Int): Set<PlayerUpdateInfoAction> {
+            val set = HashSet<PlayerUpdateInfoAction>()
+            for (action in entries) if ((mask and action.mask) != 0) set.add(action)
+            return set
+        }
+
+        public fun toMask(actions: Set<PlayerUpdateInfoAction>): Int {
+            var mask = 0
+            for (action in actions) mask = mask or action.mask
+            return mask
+        }
+    }
+}
+
+public sealed class SinglePlayerAction {
+    public data class AddPlayer(val name: String, val properties: List<GameProfile.Property>) : SinglePlayerAction()
+
+    public data class InitializeChat(
+        val sessionId: Uuid?,
+        val keyExpiryTime: Long?,
+        val encodedPublicKey: ByteArray?,
+        val publicKeySignature: ByteArray?,
+    ) : SinglePlayerAction() {
+        val hasSignatureData: Boolean get() = sessionId != null
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (other == null || this::class != other::class) return false
+            other as InitializeChat
+            if (keyExpiryTime != other.keyExpiryTime) return false
+            if (sessionId != other.sessionId) return false
+            if (!encodedPublicKey.contentEquals(other.encodedPublicKey)) return false
+            if (!publicKeySignature.contentEquals(other.publicKeySignature)) return false
+            if (hasSignatureData != other.hasSignatureData) return false
+            return true
+        }
+
+        override fun hashCode(): Int {
+            var result = keyExpiryTime.hashCode()
+            result = 31 * result + sessionId.hashCode()
+            result = 31 * result + (encodedPublicKey?.contentHashCode() ?: 0)
+            result = 31 * result + (publicKeySignature?.contentHashCode() ?: 0)
+            result = 31 * result + hasSignatureData.hashCode()
+            return result
+        }
+    }
+
+    public data class UpdateGameMode(val gameMode: Int) : SinglePlayerAction()
+    public data class UpdateListed(val listed: Boolean) : SinglePlayerAction()
+    public data class UpdateLatency(val ping: Int) : SinglePlayerAction()
+    public data class UpdateDisplayName(val displayName: TextComponent?) : SinglePlayerAction()
+    public data class UpdateListPriority(val priority: Int) : SinglePlayerAction()
+    public data class UpdateHat(val visible: Boolean) : SinglePlayerAction()
+}
+
+public data class PlayerInfoUpdateEntry(val uuid: Uuid, val actions: List<SinglePlayerAction>)

libmc-protocol/src/jvmTest/kotlin/test/TestClientTestInJvm.kt

@@ -7,12 +7,11 @@
 
 package test
 
+import cn.rtast.libmc.packet.ClientboundUnknownPacket
 import cn.rtast.libmc.protocol.client.createMinecraftClient
 import cn.rtast.libmc.protocol.crypto.DefaultProtocolContext
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundCommandsPacket
+import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundPlayerInfoUpdatePacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundDisconnectPlayPacket
+import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundWaypointPacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundDisguisedChatMessagePacket
-import cn.rtast.libmc.protocol.packet.play.clientbound.ClientboundSystemChatMessagePacket
 import cn.rtast.libmc.protocol.util.generateOfflineUuid
 import kotlinx.coroutines.launch
 import org.junit.Test
@@ -81,8 +80,12 @@ class TestClientTestInJvm {
             null,
             crypto = DefaultProtocolContext
         )
-        cli.on { packet, direction -> println("$direction -> $packet") }
+//        cli.on { packet, direction ->
-//        cli.onPacket<ClientboundSystemChatMessagePacket> { println(it.content.content) }
+//            if (packet !is ClientboundWaypointPacket)
+//            println("$direction -> $packet")
+//        }
+//        cli.onPacket<ClientboundUnknownPacket> { println(it) }
+        cli.onPacket<ClientboundPlayerInfoUpdatePacket> { println(it) }
         cli.launch { cli.connect() }
         while (true) {
         }