Table of Contents

Key	Name
Type	vec3f
Type	vec4f
Type	vec3f64
Type	slot
Type	particle
Type	particleData
Type	ingredient
Type	soundSource
Type	packedChunkPos
Type	previousMessages
Type	entityMetadataItem
Type	minecraft_simple_recipe_format
Type	minecraft_smelting_format
Type	tags
Type	chunkBlockEntity
Type	chat_session?
Type	game_profile
Type	command_node

---

Field Name	Field Type	Notes
x	f32
y	f32
z	f32

---

Field Name	Field Type	Notes
x	f32
y	f32
z	f32
w	f32

---

Field Name	Field Type	Notes
x	f64
y	f64
z	f64

---

Field Name	Field Type	Notes
present	bool
🔁 if present	is false void is true itemId varint itemCount i8 nbtData anonOptionalNbt

---

Field Name	Field Type	Notes
particleId	varint

---

Field Name	Field Type	Notes
particleData if compareTo	is 2 blockState varint is 3 blockState varint is 14 red f32 green f32 blue f32 scale f32 is 15 fromRed f32 fromGreen f32 fromBlue f32 scale f32 toRed f32 toGreen f32 toBlue f32 is 27 blockState varint is 33 rotation f32 is 42 item slot is 43 positionType string entityId if positionType is minecraft:entity varint default void entityEyeHeight if positionType is minecraft:entity varint default void destination if positionType is minecraft:block position is minecraft:entity varint ticks varint is 96 delayInTicksBeforeShown varint default void

---

Field Name	Field Type	Notes
soundSource	varint enum 0 master 1 music 2 record 3 weather 4 block 5 hostile 6 neutral 7 player 8 ambient 9 voice

---

Field Name	Field Type	Notes
z	i32
x	i32

---

Field Name	Field Type	Notes
previousMessages length	varint
previousMessages array	id varint signature if id default void

---

Field Name	Field Type	Notes
entityMetadataItem if compareTo	is byte i8 is int varint is long varlong is float f32 is string string is component anonymousNbt is item stack slot is boolean bool is rotations pitch f32 yaw f32 roll f32 is block pos position is direction varint is block state varint is optional block state optvarint is compound tag anonymousNbt is particle particle is villager data villagerType varint villagerProfession varint level varint is optional unsigned int optvarint is pose varint is cat variant varint is frog variant varint is painting variant varint is sniffer state varint is vector3 vec3f is quaternion vec4f

---

Field Name	Field Type	Notes
category	varint

---

Field Name	Field Type	Notes
group	string
category	varint
ingredient	ingredient
result	slot
experience	f32
cookTime	varint

---

Field Name	Field Type	Notes
tags length	varint
tags array	tagName string entries length varint entries array varint

---

Field Name	Field Type	Notes
y	i16
type	varint
nbtData	anonOptionalNbt

---

Field Name	Field Type	Notes
uuid	UUID
publicKey	expireTime i64

---

Field Name	Field Type	Notes
name	string
properties length	varint
properties array	key string value string signature optional string

---

Field Name	Field Type	Notes
children length	varint
children array	varint
redirectNode if flags/has redirect node	is 1 varint default void
extraNodeData if flags/command node type	is 0 void is 1 name string is 2 name string parser varint enum 0 brigadier:bool 1 brigadier:float 2 brigadier:double 3 brigadier:integer 4 brigadier:long 5 brigadier:string 6 minecraft:entity 7 minecraft:game profile 8 minecraft:block pos 9 minecraft:column pos 10 minecraft:vec3 11 minecraft:vec2 12 minecraft:block state 13 minecraft:block predicate 14 minecraft:item stack 15 minecraft:item predicate 16 minecraft:color 17 minecraft:component 18 minecraft:style 19 minecraft:message 20 minecraft:nbt 21 minecraft:nbt tag 22 minecraft:nbt path 23 minecraft:objective 24 minecraft:objective criteria 25 minecraft:operation 26 minecraft:particle 27 minecraft:angle 28 minecraft:rotation 29 minecraft:scoreboard slot 30 minecraft:score holder 31 minecraft:swizzle 32 minecraft:team 33 minecraft:item slot 34 minecraft:resource location 35 minecraft:function 36 minecraft:entity anchor 37 minecraft:int range 38 minecraft:float range 39 minecraft:dimension 40 minecraft:gamemode 41 minecraft:time 42 minecraft:resource or tag 43 minecraft:resource or tag key 44 minecraft:resource 45 minecraft:resource key 46 minecraft:template mirror 47 minecraft:template rotation 48 minecraft:heightmap 49 minecraft:uuid properties if parser is brigadier:bool void is brigadier:float min if flags/min present is 1 f32 default void max if flags/max present is 1 f32 default void is brigadier:double min if flags/min present is 1 f64 default void max if flags/max present is 1 f64 default void is brigadier:integer min if flags/min present is 1 i32 default void max if flags/max present is 1 i32 default void is brigadier:long min if flags/min present is 1 i64 default void max if flags/max present is 1 i64 default void is brigadier:string varint enum 0 SINGLE WORD 1 QUOTABLE PHRASE 2 GREEDY PHRASE is minecraft:game profile void is minecraft:block pos void is minecraft:column pos void is minecraft:vec3 void is minecraft:vec2 void is minecraft:block state void is minecraft:block predicate void is minecraft:item stack void is minecraft:item predicate void is minecraft:color void is minecraft:component void is minecraft:message void is minecraft:nbt void is minecraft:nbt path void is minecraft:objective void is minecraft:objective criteria void is minecraft:operation void is minecraft:particle void is minecraft:angle void is minecraft:rotation void is minecraft:scoreboard slot void is minecraft:swizzle void is minecraft:team void is minecraft:item slot void is minecraft:resource location void is minecraft:function void is minecraft:entity anchor void is minecraft:int range void is minecraft:float range void is minecraft:dimension void is minecraft:gamemode void is minecraft:time min i32 is minecraft:resource or tag registry string is minecraft:resource or tag key registry string is minecraft:resource registry string is minecraft:resource key registry string is minecraft:template mirror void is minecraft:template rotation void is minecraft:heightmap void is minecraft:uuid void suggestionType if ../flags/has custom suggestions is 1 string default void

---

Table of Contents

Key	Name
Type	packet

---

Field Name	Field Type	Notes
name	varint enum

---

Table of Contents

Key	Name
Type	packet_set_protocol
0xfe	packet_legacy_server_list_ping
Type	packet

---

Field Name	Field Type	Notes
protocolVersion	varint
serverHost	string
serverPort	u16
nextState	varint

---

Field Name	Field Type	Notes
payload	u8

---

Field Name	Field Type	Notes
name	varint enum 0 set protocol 254 legacy server list ping
params if name	is set protocol packet_set_protocol is legacy server list ping packet_legacy_server_list_ping

---

Table of Contents

Key	Name
Type	packet_server_info
0x1	packet_ping
Type	packet

---

MC: ClientboundStatusResponsePacket

Field Name	Field Type	Notes
response	string

---

MC: ClientboundPongResponsePacket

Field Name	Field Type	Notes
time	i64

---

Field Name	Field Type	Notes
name	varint enum 0 server info 1 ping
params if name	is server info packet_server_info is ping packet_ping

---

Table of Contents

Key	Name
Type	packet_ping_start
0x1	packet_ping
Type	packet

---

MC: ServerboundStatusRequestPacket

Field Name	Field Type	Notes

---

Empty MC: ServerboundPingRequestPacket

Field Name	Field Type	Notes
time	i64

---

Field Name	Field Type	Notes
name	varint enum 0 ping start 1 ping
params if name	is ping start packet_ping_start is ping packet_ping

---

Table of Contents

Key	Name
Type	packet_disconnect
0x1	packet_encryption_begin
0x2	packet_success
0x3	packet_compress
0x4	packet_login_plugin_request
Type	packet

---

MC: ClientboundLoginDisconnectPacket

Field Name	Field Type	Notes
reason	string

---

MC: ClientboundHelloPacket

Field Name	Field Type	Notes
serverId	string

---

MC: ClientboundGameProfilePacket

Field Name	Field Type	Notes
uuid	UUID
username	string
properties length	varint
properties array	name string value string signature optional string

---

MC: ClientboundLoginCompressionPacket

Field Name	Field Type	Notes
threshold	varint

---

MC: ClientboundCustomQueryPacket

Field Name	Field Type	Notes
messageId	varint
channel	string
data	restBuffer

---

Field Name	Field Type	Notes
name	varint enum 0 disconnect 1 encryption begin 2 success 3 compress 4 login plugin request
params if name	is disconnect packet_disconnect is encryption begin packet_encryption_begin is success packet_success is compress packet_compress is login plugin request packet_login_plugin_request

---

Table of Contents

Key	Name
Type	packet_login_start
0x1	packet_encryption_begin
0x2	packet_login_plugin_response
0x3	packet_login_acknowledged
Type	packet

---

MC: ServerboundHelloPacket

Field Name	Field Type	Notes
username	string
playerUUID	UUID

---

MC: ServerboundKeyPacket

Field Name	Field Type	Notes

---

MC: ServerboundCustomQueryAnswerPacket

Field Name	Field Type	Notes
messageId	varint
data optional	restBuffer

---

MC: ServerboundLoginAcknowledgedPacket

Field Name	Field Type	Notes

---

Empty

Field Name	Field Type	Notes
name	varint enum 0 login start 1 encryption begin 2 login plugin response 3 login acknowledged
params if name	is login start packet_login_start is encryption begin packet_encryption_begin is login plugin response packet_login_plugin_response is login acknowledged packet_login_acknowledged

---

Table of Contents

Key	Name
Type	packet_custom_payload
0x1	packet_disconnect
0x2	packet_finish_configuration
0x3	packet_keep_alive
0x4	packet_ping
0x5	packet_registry_data
0x6	packet_remove_resource_pack
0x7	packet_add_resource_pack
0x8	packet_feature_flags
0x9	packet_tags
Type	packet

---

MC: ClientboundCustomPayloadPacket

Field Name	Field Type	Notes
channel	string
data	restBuffer

---

MC: ClientboundDisconnectPacket

Field Name	Field Type	Notes
reason	anonymousNbt

---

MC: ClientboundFinishConfigurationPacket

Field Name	Field Type	Notes

---

Empty MC: ClientboundKeepAlivePacket

Field Name	Field Type	Notes
keepAliveId	i64

---

MC: ClientboundPingPacket

Field Name	Field Type	Notes
id	i32

---

MC: ClientboundRegistryDataPacket

Field Name	Field Type	Notes
codec	anonymousNbt

---

MC: ClientboundResourcePackPopPacket

Field Name	Field Type	Notes
uuid optional	UUID

---

MC: ClientboundResourcePackPushPacket

Field Name	Field Type	Notes
uuid	UUID
url	string
hash	string
forced	bool
promptMessage optional	anonymousNbt

---

MC: ClientboundUpdateEnabledFeaturesPacket

Field Name	Field Type	Notes
features length	varint
features array	string

---

MC: ClientboundUpdateTagsPacket

Field Name	Field Type	Notes
tags length	varint
tags array	tagType string tags tags

---

Field Name	Field Type	Notes
name	varint enum 0 custom payload 1 disconnect 2 finish configuration 3 keep alive 4 ping 5 registry data 6 remove resource pack 7 add resource pack 8 feature flags 9 tags
params if name	is custom payload packet_custom_payload is disconnect packet_disconnect is finish configuration packet_finish_configuration is keep alive packet_keep_alive is ping packet_ping is registry data packet_registry_data is remove resource pack packet_remove_resource_pack is add resource pack packet_add_resource_pack is feature flags packet_feature_flags is tags packet_tags

---

Table of Contents

Key	Name
Type	packet_settings
0x1	packet_custom_payload
0x2	packet_finish_configuration
0x3	packet_keep_alive
0x4	packet_pong
0x5	packet_resource_pack_receive
Type	packet

---

MC: ServerboundClientInformationPacket

Field Name	Field Type	Notes
locale	string
viewDistance	i8
chatFlags	varint
chatColors	bool
skinParts	u8
mainHand	varint
enableTextFiltering	bool
enableServerListing	bool

---

MC: ServerboundCustomPayloadPacket

Field Name	Field Type	Notes
channel	string
data	restBuffer

---

MC: ServerboundFinishConfigurationPacket

Field Name	Field Type	Notes

---

Empty MC: ServerboundKeepAlivePacket

Field Name	Field Type	Notes
keepAliveId	i64

---

MC: ServerboundPongPacket

Field Name	Field Type	Notes
id	i32

---

MC: ServerboundResourcePackPacket

Field Name	Field Type	Notes
uuid	UUID
result	varint

---

Field Name	Field Type	Notes
name	varint enum 0 settings 1 custom payload 2 finish configuration 3 keep alive 4 pong 5 resource pack receive
params if name	is settings packet_settings is custom payload packet_custom_payload is finish configuration packet_finish_configuration is keep alive packet_keep_alive is pong packet_pong is resource pack receive packet_resource_pack_receive

---

Table of Contents

Key	Name
0x1	packet_spawn_entity
0x2	packet_spawn_entity_experience_orb
0x3	packet_animation
0x4	packet_statistics
0x70	packet_advancements
0x6	packet_block_break_animation
0x7	packet_tile_entity_data
0x8	packet_block_action
0x9	packet_block_change
0xa	packet_boss_bar
0xb	packet_difficulty
0xc	packet_chunk_batch_finished
0xd	packet_chunk_batch_start
0x10	packet_tab_complete
0x11	packet_declare_commands
0x3d	packet_face_player
0x6b	packet_nbt_query_response
0x47	packet_multi_block_change
0x12	packet_close_window
0x31	packet_open_window
0x13	packet_window_items
0x14	packet_craft_progress_bar
0x15	packet_set_slot
0x16	packet_set_cooldown
0x17	packet_chat_suggestions
0x18	packet_custom_payload
0x1a	packet_hide_message
0x1b	packet_kick_disconnect
0x1c	packet_profileless_chat
0x1d	packet_entity_status
0x1e	packet_explosion
0x1f	packet_unload_chunk
0x20	packet_game_state_change
0x21	packet_open_horse_window
0x24	packet_keep_alive
0x25	packet_map_chunk
0x26	packet_world_event
0x27	packet_world_particles
0x28	packet_update_light
0x29	packet_login
0x2a	packet_map
0x2b	packet_trade_list
0x2c	packet_rel_entity_move
0x2d	packet_entity_move_look
0x2e	packet_entity_look
0x2f	packet_vehicle_move
0x30	packet_open_book
0x32	packet_open_sign_entity
0x35	packet_craft_recipe_response
0x36	packet_abilities
0x37	packet_player_chat
0x38	packet_end_combat_event
0x39	packet_enter_combat_event
0x3a	packet_death_combat_event
0x3b	packet_player_remove
0x3c	packet_player_info
0x3e	packet_position
0x3f	packet_unlock_recipes
0x40	packet_entity_destroy
0x41	packet_remove_entity_effect
0x42	packet_reset_score
0x43	packet_remove_resource_pack
0x44	packet_add_resource_pack
0x45	packet_respawn
0x46	packet_entity_head_rotation
0x50	packet_camera
0x51	packet_held_item_slot
0x52	packet_update_view_position
0x53	packet_update_view_distance
0x55	packet_scoreboard_display_objective
0x56	packet_entity_metadata
0x57	packet_attach_entity
0x58	packet_entity_velocity
0x59	packet_entity_equipment
0x5a	packet_experience
0x5b	packet_update_health
0x5c	packet_scoreboard_objective
0x5d	packet_set_passengers
0x5e	packet_teams
0x5f	packet_scoreboard_score
0x54	packet_spawn_position
0x62	packet_update_time
0x65	packet_entity_sound_effect
0x68	packet_stop_sound
0x66	packet_sound_effect
0x69	packet_system_chat
0x6a	packet_playerlist_header
0x6c	packet_collect
0x6d	packet_entity_teleport
0x71	packet_entity_update_attributes
0x72	packet_entity_effect
0x48	packet_select_advancement_tab
0x49	packet_server_data
0x73	packet_declare_recipes
0x74	packet_tags
0x5	packet_acknowledge_player_digging
0xf	packet_clear_titles
0x23	packet_initialize_world_border
0x4a	packet_action_bar
0x4b	packet_world_border_center
0x4c	packet_world_border_lerp_size
0x4d	packet_world_border_size
0x4e	packet_world_border_warning_delay
0x4f	packet_world_border_warning_reach
0x33	packet_ping
0x34	packet_ping_response
0x61	packet_set_title_subtitle
0x63	packet_set_title_text
0x64	packet_set_title_time
0x60	packet_simulation_distance
0xe	packet_chunk_biomes
0x19	packet_damage_event
0x22	packet_hurt_animation
0x67	packet_start_configuration
0x6e	packet_set_ticking_state
0x6f	packet_step_tick
Type	packet

---

MC: ClientboundAddEntityPacket

Field Name	Field Type	Notes
entityId	varint
objectUUID	UUID
type	varint
x	f64
y	f64
z	f64
pitch	i8
yaw	i8
headPitch	i8
objectData	varint
velocityX	i16
velocityY	i16
velocityZ	i16

---

MC: ClientboundAddExperienceOrbPacket

Field Name	Field Type	Notes
entityId	varint
x	f64
y	f64
z	f64
count	i16

---

MC: ClientboundAnimatePacket

Field Name	Field Type	Notes
entityId	varint
animation	u8

---

MC: ClientboundAwardStatsPacket

Field Name	Field Type	Notes
entries length	varint
entries array	categoryId varint statisticId varint value varint

---

MC: ClientboundUpdateAdvancementsPacket

Field Name	Field Type	Notes
reset	bool
advancementMapping length	varint
advancementMapping array	key string value parentId optional string displayData optional title anonymousNbt description anonymousNbt icon slot frameType varint backgroundTexture if flags/has background texture is 1 string default void xCord f32 yCord f32 requirements length varint requirements array __915 length varint __915 array string sendsTelemtryData bool
identifiers length	varint
identifiers array	string
progressMapping length	varint
progressMapping array	key string value length varint value array criterionIdentifier string criterionProgress optional i64

---

MC: ClientboundBlockDestructionPacket

Field Name	Field Type	Notes
entityId	varint
location	position
destroyStage	i8

---

MC: ClientboundBlockEntityDataPacket

Field Name	Field Type	Notes
location	position
action	varint
nbtData	anonOptionalNbt

---

MC: ClientboundBlockEventPacket

Field Name	Field Type	Notes
location	position
byte1	u8
byte2	u8
blockId	varint

---

MC: ClientboundBlockUpdatePacket

Field Name	Field Type	Notes
location	position
type	varint

---

MC: ClientboundBossEventPacket

Field Name	Field Type	Notes
entityUUID	UUID
action	varint
title if action	is 0 anonymousNbt is 3 anonymousNbt default void
health if action	is 0 f32 is 2 f32 default void
color if action	is 0 varint is 4 varint default void
dividers if action	is 0 varint is 4 varint default void
flags if action	is 0 u8 is 5 u8 default void

---

MC: ClientboundChangeDifficultyPacket

Field Name	Field Type	Notes
difficulty	u8
difficultyLocked	bool

---

MC: ClientboundChunkBatchFinishedPacket

Field Name	Field Type	Notes
batchSize	varint

---

MC: ClientboundChunkBatchStartPacket

Field Name	Field Type	Notes

---

Empty MC: ClientboundCommandSuggestionsPacket

Field Name	Field Type	Notes
transactionId	varint
start	varint
length	varint
matches length	varint
matches array	match string tooltip optional anonymousNbt

---

MC: ClientboundCommandsPacket

Field Name	Field Type	Notes
nodes length	varint
nodes array	command_node
rootIndex	varint

---

MC: ClientboundPlayerLookAtPacket

Field Name	Field Type	Notes
feet eyes	varint
x	f64
y	f64
z	f64
isEntity	bool
entityId if isEntity	is true varint default void
entity feet eyes if isEntity	is true varint default void

---

MC: ClientboundTagQueryPacket

Field Name	Field Type	Notes
transactionId	varint
nbt	anonOptionalNbt

---

MC: ClientboundSectionBlocksUpdatePacket

Field Name	Field Type	Notes
records length	varint
records array	varint

---

MC: ClientboundContainerClosePacket

Field Name	Field Type	Notes
windowId	u8

---

MC: ClientboundOpenScreenPacket

Field Name	Field Type	Notes
windowId	varint
inventoryType	varint
windowTitle	anonymousNbt

---

MC: ClientboundContainerSetContentPacket

Field Name	Field Type	Notes
windowId	u8
stateId	varint
items length	varint
items array	slot
carriedItem	slot

---

MC: ClientboundContainerSetDataPacket

Field Name	Field Type	Notes
windowId	u8
property	i16
value	i16

---

MC: ClientboundContainerSetSlotPacket

Field Name	Field Type	Notes
windowId	i8
stateId	varint
slot	i16
item	slot

---

MC: ClientboundCooldownPacket

Field Name	Field Type	Notes
itemID	varint
cooldownTicks	varint

---

MC: ClientboundCustomChatCompletionsPacket

Field Name	Field Type	Notes
action	varint
entries length	varint
entries array	string

---

MC: ClientboundCustomPayloadPacket

Field Name	Field Type	Notes
channel	string
data	restBuffer

---

MC: ClientboundDeleteChatPacket

Field Name	Field Type	Notes
id	varint
signature if id	default void

---

MC: ClientboundDisconnectPacket

Field Name	Field Type	Notes
reason	anonymousNbt

---

MC: ClientboundDisguisedChatPacket

Field Name	Field Type	Notes
message	anonymousNbt
type	varint
name	anonymousNbt
target optional	anonymousNbt

---

MC: ClientboundEntityEventPacket

Field Name	Field Type	Notes
entityId	i32
entityStatus	i8

---

MC: ClientboundExplodePacket

Field Name	Field Type	Notes
x	f64
y	f64
z	f64
radius	f32
affectedBlockOffsets length	varint
affectedBlockOffsets array	x i8 y i8 z i8
playerMotionX	f32
playerMotionY	f32
playerMotionZ	f32
block interaction type	varint
small explosion particle	particle
large explosion particle	particle
soundId	varint
🔁 if soundId	is 0 soundName string range optional f32

---

MC: ClientboundForgetLevelChunkPacket

Field Name	Field Type	Notes
chunkZ	i32
chunkX	i32

---

MC: ClientboundGameEventPacket

Field Name	Field Type	Notes
reason	u8
gameMode	f32

---

MC: ClientboundHorseScreenOpenPacket

Field Name	Field Type	Notes
windowId	u8
nbSlots	varint
entityId	i32

---

MC: ClientboundKeepAlivePacket

Field Name	Field Type	Notes
keepAliveId	i64

---

MC: ClientboundLevelChunkWithLightPacket

Field Name	Field Type	Notes
x	i32
z	i32
heightmaps	anonymousNbt
blockEntities length	varint
blockEntities array	chunkBlockEntity
skyLightMask length	varint
skyLightMask array	i64
blockLightMask length	varint
blockLightMask array	i64
emptySkyLightMask length	varint
emptySkyLightMask array	i64
emptyBlockLightMask length	varint
emptyBlockLightMask array	i64
skyLight length	varint
skyLight array	__1146 length varint __1146 array u8
blockLight length	varint
blockLight array	__1148 length varint __1148 array u8

---

MC: ClientboundLevelEventPacket

Field Name	Field Type	Notes
effectId	i32
location	position
data	i32
global	bool

---

MC: ClientboundLevelParticlesPacket

Field Name	Field Type	Notes
particleId	varint
longDistance	bool
x	f64
y	f64
z	f64
offsetX	f32
offsetY	f32
offsetZ	f32
particleData	f32
particles	i32

---

MC: ClientboundLightUpdatePacket

Field Name	Field Type	Notes
chunkX	varint
chunkZ	varint
skyLightMask length	varint
skyLightMask array	i64
blockLightMask length	varint
blockLightMask array	i64
emptySkyLightMask length	varint
emptySkyLightMask array	i64
emptyBlockLightMask length	varint
emptyBlockLightMask array	i64
skyLight length	varint
skyLight array	__1182 length varint __1182 array u8
blockLight length	varint
blockLight array	__1184 length varint __1184 array u8

---

MC: ClientboundLoginPacket

Field Name	Field Type	Notes
entityId	i32
isHardcore	bool
worldNames length	varint
worldNames array	string
maxPlayers	varint
viewDistance	varint
simulationDistance	varint
reducedDebugInfo	bool
enableRespawnScreen	bool
doLimitedCrafting	bool
worldType	string
worldName	string
hashedSeed	i64
gameMode	u8
previousGameMode	i8
isDebug	bool
isFlat	bool
death optional	dimensionName string location position
portalCooldown	varint

---

MC: ClientboundMapItemDataPacket

Field Name	Field Type	Notes
itemDamage	varint
scale	i8
locked	bool
icons length	varint
icons array	type varint x i8 z i8 direction u8 displayName optional anonymousNbt
columns	u8
rows if columns	is 0 void default u8
x if columns	is 0 void default u8
y if columns	is 0 void default u8
data if columns	is 0 void

---

MC: ClientboundMerchantOffersPacket

Field Name	Field Type	Notes
windowId	varint
trades length	varint
trades array	inputItem1 slot outputItem slot inputItem2 slot tradeDisabled bool nbTradeUses i32 maximumNbTradeUses i32 xp i32 specialPrice i32 priceMultiplier f32 demand i32
villagerLevel	varint
experience	varint
isRegularVillager	bool
canRestock	bool

---

MC: ClientboundMoveEntityPacket.Pos

Field Name	Field Type	Notes
entityId	varint
dX	i16
dY	i16
dZ	i16
onGround	bool

---

MC: ClientboundMoveEntityPacket.PosRot

Field Name	Field Type	Notes
entityId	varint
dX	i16
dY	i16
dZ	i16
yaw	i8
pitch	i8
onGround	bool

---

MC: ClientboundMoveEntityPacket.Rot

Field Name	Field Type	Notes
entityId	varint
yaw	i8
pitch	i8
onGround	bool

---

MC: ClientboundMoveVehiclePacket

Field Name	Field Type	Notes
x	f64
y	f64
z	f64
yaw	f32
pitch	f32

---

MC: ClientboundOpenBookPacket

Field Name	Field Type	Notes
hand	varint

---

MC: ClientboundOpenSignEditorPacket

Field Name	Field Type	Notes
location	position
isFrontText	bool

---

MC: ClientboundPlaceGhostRecipePacket

Field Name	Field Type	Notes
windowId	i8
recipe	string

---

MC: ClientboundPlayerAbilitiesPacket

Field Name	Field Type	Notes
flags	i8
flyingSpeed	f32
walkingSpeed	f32

---

MC: ClientboundPlayerChatPacket

Field Name	Field Type	Notes
senderUuid	UUID
index	varint
plainMessage	string
timestamp	i64
salt	i64
previousMessages	previousMessages
unsignedChatContent optional	anonymousNbt
filterType	varint
filterTypeMask if filterType	is 2 length varint is 2 array i64 default void
type	varint
networkName	anonymousNbt
networkTargetName optional	anonymousNbt

---

MC: ClientboundPlayerCombatEndPacket

Field Name	Field Type	Notes
duration	varint

---

MC: ClientboundPlayerCombatEnterPacket

Field Name	Field Type	Notes

---

Empty MC: ClientboundPlayerCombatKillPacket

Field Name	Field Type	Notes
playerId	varint
message	anonymousNbt

---

MC: ClientboundPlayerInfoRemovePacket

Field Name	Field Type	Notes
players length	varint
players array	UUID

---

MC: ClientboundPlayerInfoUpdatePacket

Field Name	Field Type	Notes
action	i8
data length	varint
data array	uuid UUID player if ../action is 1 game_profile is 3 game_profile is 5 game_profile is 7 game_profile is 9 game_profile is 11 game_profile is 13 game_profile is 15 game_profile is 17 game_profile is 19 game_profile is 21 game_profile is 23 game_profile is 25 game_profile is 27 game_profile is 29 game_profile is 31 game_profile is 33 game_profile is 35 game_profile is 37 game_profile is 39 game_profile is 41 game_profile is 43 game_profile is 45 game_profile is 47 game_profile is 49 game_profile is 51 game_profile is 53 game_profile is 55 game_profile is 57 game_profile is 59 game_profile is 61 game_profile is 63 game_profile default void chatSession if ../action is 2 chat_session is 3 chat_session is 6 chat_session is 7 chat_session is 10 chat_session is 11 chat_session is 14 chat_session is 15 chat_session is 18 chat_session is 19 chat_session is 22 chat_session is 23 chat_session is 26 chat_session is 27 chat_session is 30 chat_session is 31 chat_session is 34 chat_session is 35 chat_session is 38 chat_session is 39 chat_session is 42 chat_session is 43 chat_session is 46 chat_session is 47 chat_session is 50 chat_session is 51 chat_session is 54 chat_session is 55 chat_session is 58 chat_session is 59 chat_session is 62 chat_session is 63 chat_session default void gamemode if ../action is 4 varint is 5 varint is 6 varint is 7 varint is 12 varint is 13 varint is 14 varint is 15 varint is 20 varint is 21 varint is 22 varint is 23 varint is 28 varint is 29 varint is 30 varint is 31 varint is 36 varint is 37 varint is 38 varint is 39 varint is 44 varint is 45 varint is 46 varint is 47 varint is 52 varint is 53 varint is 54 varint is 55 varint is 60 varint is 61 varint is 62 varint is 63 varint default void listed if ../action is 8 bool is 9 bool is 10 bool is 11 bool is 12 bool is 13 bool is 14 bool is 15 bool is 24 bool is 25 bool is 26 bool is 27 bool is 28 bool is 29 bool is 30 bool is 31 bool is 40 bool is 41 bool is 42 bool is 43 bool is 44 bool is 45 bool is 46 bool is 47 bool is 56 bool is 57 bool is 58 bool is 59 bool is 60 bool is 61 bool is 62 bool is 63 bool default void latency if ../action is 16 varint is 17 varint is 18 varint is 19 varint is 20 varint is 21 varint is 22 varint is 23 varint is 24 varint is 25 varint is 26 varint is 27 varint is 28 varint is 29 varint is 30 varint is 31 varint is 48 varint is 49 varint is 50 varint is 51 varint is 52 varint is 53 varint is 54 varint is 55 varint is 56 varint is 57 varint is 58 varint is 59 varint is 60 varint is 61 varint is 62 varint is 63 varint default void displayName if ../action default void

---

MC: ClientboundPlayerPositionPacket

Field Name	Field Type	Notes
x	f64
y	f64
z	f64
yaw	f32
pitch	f32
flags	i8
teleportId	varint

---

MC: ClientboundRecipePacket

Field Name	Field Type	Notes
action	varint
craftingBookOpen	bool
filteringCraftable	bool
smeltingBookOpen	bool
filteringSmeltable	bool
blastFurnaceOpen	bool
filteringBlastFurnace	bool
smokerBookOpen	bool
filteringSmoker	bool
recipes1 length	varint
recipes1 array	string
recipes2 if action	is 0 length varint is 0 array string default void

---

MC: ClientboundRemoveEntitiesPacket

Field Name	Field Type	Notes
entityIds length	varint
entityIds array	varint

---

MC: ClientboundRemoveMobEffectPacket

Field Name	Field Type	Notes
entityId	varint
effectId	varint

---

MC: ClientboundResetScorePacket

Field Name	Field Type	Notes
entity name	string
objective name optional	string

---

MC: ClientboundResourcePackPopPacket

Field Name	Field Type	Notes
uuid optional	UUID

---

MC: ClientboundResourcePackPushPacket

Field Name	Field Type	Notes
uuid	UUID
url	string
hash	string
forced	bool
promptMessage optional	anonymousNbt

---

MC: ClientboundRespawnPacket

Field Name	Field Type	Notes
dimension	string
worldName	string
hashedSeed	i64
gamemode	i8
previousGamemode	u8
isDebug	bool
isFlat	bool
death optional	dimensionName string location position
portalCooldown	varint
copyMetadata	bool

---

MC: ClientboundRotateHeadPacket

Field Name	Field Type	Notes
entityId	varint
headYaw	i8

---

MC: ClientboundSetCameraPacket

Field Name	Field Type	Notes
cameraId	varint

---

MC: ClientboundSetCarriedItemPacket

Field Name	Field Type	Notes
slot	i8

---

MC: ClientboundSetChunkCacheCenterPacket

Field Name	Field Type	Notes
chunkX	varint
chunkZ	varint

---

MC: ClientboundSetChunkCacheRadiusPacket

Field Name	Field Type	Notes
viewDistance	varint

---

MC: ClientboundSetDisplayObjectivePacket

Field Name	Field Type	Notes
position	varint
name	string

---

MC: ClientboundSetEntityDataPacket

Field Name	Field Type	Notes
entityId	varint
metadata	entityMetadata

---

MC: ClientboundSetEntityLinkPacket

Field Name	Field Type	Notes
entityId	i32
vehicleId	i32

---

MC: ClientboundSetEntityMotionPacket

Field Name	Field Type	Notes
entityId	varint
velocityX	i16
velocityY	i16
velocityZ	i16

---

MC: ClientboundSetEquipmentPacket

Field Name	Field Type	Notes
entityId	varint

---

MC: ClientboundSetExperiencePacket

Field Name	Field Type	Notes
experienceBar	f32
level	varint
totalExperience	varint

---

MC: ClientboundSetHealthPacket

Field Name	Field Type	Notes
health	f32
food	varint
foodSaturation	f32

---

MC: ClientboundSetObjectivePacket

Field Name	Field Type	Notes
name	string
action	i8
displayText if action	is 0 anonymousNbt is 2 anonymousNbt default void
type if action	is 0 varint is 2 varint default void
number format if action	default void
styling if action	if 0 if number format is 1 anonymousNbt is 2 anonymousNbt default void if 2 if number format is 1 anonymousNbt is 2 anonymousNbt default void default void

---

MC: ClientboundSetPassengersPacket

Field Name	Field Type	Notes
entityId	varint
passengers length	varint
passengers array	varint

---

MC: ClientboundSetPlayerTeamPacket

Field Name	Field Type	Notes
team	string
mode	i8
name if mode	is 0 anonymousNbt is 2 anonymousNbt default void
friendlyFire if mode	is 0 i8 is 2 i8 default void
nameTagVisibility if mode	is 0 string is 2 string default void
collisionRule if mode	is 0 string is 2 string default void
formatting if mode	is 0 varint is 2 varint default void
prefix if mode	is 0 anonymousNbt is 2 anonymousNbt default void
suffix if mode	is 0 anonymousNbt is 2 anonymousNbt default void
players if mode	is 0 length varint is 0 array string is 3 length varint is 3 array string is 4 length varint is 4 array string default void

---

MC: ClientboundSetScorePacket

Field Name	Field Type	Notes
itemName	string
scoreName	string
value	varint
display name optional	anonymousNbt
number format optional	varint
styling if number format	is 1 anonymousNbt is 2 anonymousNbt default void

---

MC: ClientboundSetDefaultSpawnPositionPacket

Field Name	Field Type	Notes
location	position
angle	f32

---

MC: ClientboundSetTimePacket

Field Name	Field Type	Notes
age	i64
time	i64

---

MC: ClientboundSoundEntityPacket

Field Name	Field Type	Notes
soundId	varint
soundEvent if soundId	is 0 resource string range optional f32 default void
soundCategory	soundSource
entityId	varint
volume	f32
pitch	f32
seed	i64

---

MC: ClientboundStopSoundPacket

Field Name	Field Type	Notes
flags	i8
source if flags	is 1 varint is 3 varint default void
sound if flags	is 2 string is 3 string default void

---

MC: ClientboundSoundPacket

Field Name	Field Type	Notes
soundId	varint
soundEvent if soundId	is 0 resource string range optional f32 default void
soundCategory	soundSource
x	i32
y	i32
z	i32
volume	f32
pitch	f32
seed	i64

---

MC: ClientboundSystemChatPacket

Field Name	Field Type	Notes
content	anonymousNbt
isActionBar	bool

---

MC: ClientboundTabListPacket

Field Name	Field Type	Notes
header	anonymousNbt
footer	anonymousNbt

---

MC: ClientboundTakeItemEntityPacket

Field Name	Field Type	Notes
collectedEntityId	varint
collectorEntityId	varint
pickupItemCount	varint

---

MC: ClientboundTeleportEntityPacket

Field Name	Field Type	Notes
entityId	varint
x	f64
y	f64
z	f64
yaw	i8
pitch	i8
onGround	bool

---

MC: ClientboundUpdateAttributesPacket

Field Name	Field Type	Notes
entityId	varint
properties length	varint
properties array	key string value f64 modifiers length varint modifiers array uuid UUID amount f64 operation i8

---

MC: ClientboundUpdateMobEffectPacket

Field Name	Field Type	Notes
entityId	varint
effectId	varint
amplifier	i8
duration	varint
hideParticles	i8
factorCodec optional	anonymousNbt

---

MC: ClientboundSelectAdvancementsTabPacket

Field Name	Field Type	Notes
id optional	string

---

MC: ClientboundServerDataPacket

Field Name	Field Type	Notes
motd	anonymousNbt
enforcesSecureChat	bool

---

MC: ClientboundUpdateRecipesPacket

Field Name	Field Type	Notes
recipes length	varint
recipes array	type string recipeId string data if type is minecraft:crafting shapeless group string category varint ingredients length varint ingredients array ingredient result slot is minecraft:crafting shaped group string category varint width varint height varint Length for ingredients below is width from above ingredients array Length for __1965 below is height from above __1965 array ingredient result slot showNotification bool is minecraft:crafting special armordye minecraft_simple_recipe_format is minecraft:crafting special bookcloning minecraft_simple_recipe_format is minecraft:crafting special mapcloning minecraft_simple_recipe_format is minecraft:crafting special mapextending minecraft_simple_recipe_format is minecraft:crafting special firework rocket minecraft_simple_recipe_format is minecraft:crafting special firework star minecraft_simple_recipe_format is minecraft:crafting special firework star fade minecraft_simple_recipe_format is minecraft:crafting special repairitem minecraft_simple_recipe_format is minecraft:crafting special tippedarrow minecraft_simple_recipe_format is minecraft:crafting special bannerduplicate minecraft_simple_recipe_format is minecraft:crafting special banneraddpattern minecraft_simple_recipe_format is minecraft:crafting special shielddecoration minecraft_simple_recipe_format is minecraft:crafting special shulkerboxcoloring minecraft_simple_recipe_format is minecraft:crafting special suspiciousstew minecraft_simple_recipe_format is minecraft:smelting minecraft_smelting_format is minecraft:blasting minecraft_smelting_format is minecraft:smoking minecraft_smelting_format is minecraft:campfire cooking minecraft_smelting_format is minecraft:stonecutting group string ingredient ingredient result slot is minecraft:smithing transform template ingredient base ingredient addition ingredient result slot is minecraft:smithing trim template ingredient base ingredient addition ingredient is minecraft:crafting decorated pot minecraft_simple_recipe_format

---

MC: ClientboundUpdateTagsPacket

Field Name	Field Type	Notes
tags length	varint
tags array	tagType string tags tags

---

MC: ClientboundBlockChangedAckPacket

Field Name	Field Type	Notes
sequenceId	varint

---

MC: ClientboundClearTitlesPacket

Field Name	Field Type	Notes
reset	bool

---

MC: ClientboundInitializeBorderPacket

Field Name	Field Type	Notes
x	f64
z	f64
oldDiameter	f64
newDiameter	f64
speed	varint
portalTeleportBoundary	varint
warningBlocks	varint
warningTime	varint

---

MC: ClientboundSetActionBarTextPacket

Field Name	Field Type	Notes
text	anonymousNbt

---

MC: ClientboundSetBorderCenterPacket

Field Name	Field Type	Notes
x	f64
z	f64

---

MC: ClientboundSetBorderLerpSizePacket

Field Name	Field Type	Notes
oldDiameter	f64
newDiameter	f64
speed	varint

---

MC: ClientboundSetBorderSizePacket

Field Name	Field Type	Notes
diameter	f64

---

MC: ClientboundSetBorderWarningDelayPacket

Field Name	Field Type	Notes
warningTime	varint

---

MC: ClientboundSetBorderWarningDistancePacket

Field Name	Field Type	Notes
warningBlocks	varint

---

MC: ClientboundPingPacket

Field Name	Field Type	Notes
id	i32

---

MC: ClientboundPongResponsePacket

Field Name	Field Type	Notes
id	i64

---

MC: ClientboundSetSubtitleTextPacket

Field Name	Field Type	Notes
text	anonymousNbt

---

MC: ClientboundSetTitleTextPacket

Field Name	Field Type	Notes
text	anonymousNbt

---

MC: ClientboundSetTitlesAnimationPacket

Field Name	Field Type	Notes
fadeIn	i32
stay	i32
fadeOut	i32

---

MC: ClientboundSetSimulationDistancePacket

Field Name	Field Type	Notes
distance	varint

---

MC: ClientboundChunksBiomesPacket

Field Name	Field Type	Notes
biomes length	varint
biomes array	position packedChunkPos

---

MC: ClientboundDamageEventPacket

Field Name	Field Type	Notes
entityId	varint
sourceTypeId	varint
sourceCauseId	varint
sourceDirectId	varint
sourcePosition optional	vec3f64

---

MC: ClientboundHurtAnimationPacket

Field Name	Field Type	Notes
entityId	varint
yaw	f32

---

MC: ClientboundStartConfigurationPacket

Field Name	Field Type	Notes

---

Empty MC: ClientboundTickingStatePacket

Field Name	Field Type	Notes
tick rate	f32
is frozen	bool

---

MC: ClientboundTickingStepPacket

Field Name	Field Type	Notes
tick steps	varint

---

Field Name	Field Type	Notes
name	varint enum 0 bundle delimiter 1 spawn entity 2 spawn entity experience orb 3 animation 4 statistics 5 acknowledge player digging 6 block break animation 7 tile entity data 8 block action 9 block change 10 boss bar 11 difficulty 12 chunk batch finished 13 chunk batch start 14 chunk biomes 15 clear titles 16 tab complete 17 declare commands 18 close window 19 window items 20 craft progress bar 21 set slot 22 set cooldown 23 chat suggestions 24 custom payload 25 damage event 26 hide message 27 kick disconnect 28 profileless chat 29 entity status 30 explosion 31 unload chunk 32 game state change 33 open horse window 34 hurt animation 35 initialize world border 36 keep alive 37 map chunk 38 world event 39 world particles 40 update light 41 login 42 map 43 trade list 44 rel entity move 45 entity move look 46 entity look 47 vehicle move 48 open book 49 open window 50 open sign entity 51 ping 52 ping response 53 craft recipe response 54 abilities 55 player chat 56 end combat event 57 enter combat event 58 death combat event 59 player remove 60 player info 61 face player 62 position 63 unlock recipes 64 entity destroy 65 remove entity effect 66 reset score 67 remove resource pack 68 add resource pack 69 respawn 70 entity head rotation 71 multi block change 72 select advancement tab 73 server data 74 action bar 75 world border center 76 world border lerp size 77 world border size 78 world border warning delay 79 world border warning reach 80 camera 81 held item slot 82 update view position 83 update view distance 84 spawn position 85 scoreboard display objective 86 entity metadata 87 attach entity 88 entity velocity 89 entity equipment 90 experience 91 update health 92 scoreboard objective 93 set passengers 94 teams 95 scoreboard score 96 simulation distance 97 set title subtitle 98 update time 99 set title text 100 set title time 101 entity sound effect 102 sound effect 103 start configuration 104 stop sound 105 system chat 106 playerlist header 107 nbt query response 108 collect 109 entity teleport 110 set ticking state 111 step tick 112 advancements 113 entity update attributes 114 entity effect 115 declare recipes 116 tags
params if name	is bundle delimiter void is spawn entity packet_spawn_entity is spawn entity experience orb packet_spawn_entity_experience_orb is animation packet_animation is statistics packet_statistics is acknowledge player digging packet_acknowledge_player_digging is block break animation packet_block_break_animation is tile entity data packet_tile_entity_data is block action packet_block_action is block change packet_block_change is boss bar packet_boss_bar is difficulty packet_difficulty is chunk batch finished packet_chunk_batch_finished is chunk batch start packet_chunk_batch_start is chunk biomes packet_chunk_biomes is clear titles packet_clear_titles is tab complete packet_tab_complete is declare commands packet_declare_commands is close window packet_close_window is window items packet_window_items is craft progress bar packet_craft_progress_bar is set slot packet_set_slot is set cooldown packet_set_cooldown is chat suggestions packet_chat_suggestions is custom payload packet_custom_payload is damage event packet_damage_event is hide message packet_hide_message is kick disconnect packet_kick_disconnect is profileless chat packet_profileless_chat is entity status packet_entity_status is explosion packet_explosion is unload chunk packet_unload_chunk is game state change packet_game_state_change is open horse window packet_open_horse_window is hurt animation packet_hurt_animation is initialize world border packet_initialize_world_border is keep alive packet_keep_alive is map chunk packet_map_chunk is world event packet_world_event is world particles packet_world_particles is update light packet_update_light is login packet_login is map packet_map is trade list packet_trade_list is rel entity move packet_rel_entity_move is entity move look packet_entity_move_look is entity look packet_entity_look is vehicle move packet_vehicle_move is open book packet_open_book is open window packet_open_window is open sign entity packet_open_sign_entity is ping packet_ping is ping response packet_ping_response is craft recipe response packet_craft_recipe_response is abilities packet_abilities is player chat packet_player_chat is end combat event packet_end_combat_event is enter combat event packet_enter_combat_event is death combat event packet_death_combat_event is player remove packet_player_remove is player info packet_player_info is face player packet_face_player is position packet_position is unlock recipes packet_unlock_recipes is entity destroy packet_entity_destroy is remove entity effect packet_remove_entity_effect is reset score packet_reset_score is remove resource pack packet_remove_resource_pack is add resource pack packet_add_resource_pack is respawn packet_respawn is entity head rotation packet_entity_head_rotation is multi block change packet_multi_block_change is select advancement tab packet_select_advancement_tab is server data packet_server_data is action bar packet_action_bar is world border center packet_world_border_center is world border lerp size packet_world_border_lerp_size is world border size packet_world_border_size is world border warning delay packet_world_border_warning_delay is world border warning reach packet_world_border_warning_reach is camera packet_camera is held item slot packet_held_item_slot is update view position packet_update_view_position is update view distance packet_update_view_distance is spawn position packet_spawn_position is scoreboard display objective packet_scoreboard_display_objective is entity metadata packet_entity_metadata is attach entity packet_attach_entity is entity velocity packet_entity_velocity is entity equipment packet_entity_equipment is experience packet_experience is update health packet_update_health is scoreboard objective packet_scoreboard_objective is set passengers packet_set_passengers is teams packet_teams is scoreboard score packet_scoreboard_score is simulation distance packet_simulation_distance is set title subtitle packet_set_title_subtitle is update time packet_update_time is set title text packet_set_title_text is set title time packet_set_title_time is entity sound effect packet_entity_sound_effect is sound effect packet_sound_effect is start configuration packet_start_configuration is stop sound packet_stop_sound is system chat packet_system_chat is playerlist header packet_playerlist_header is nbt query response packet_nbt_query_response is collect packet_collect is entity teleport packet_entity_teleport is advancements packet_advancements is entity update attributes packet_entity_update_attributes is entity effect packet_entity_effect is declare recipes packet_declare_recipes is tags packet_tags is set ticking state packet_set_ticking_state is step tick packet_step_tick

---