Snapshot 1.19.1-pre4 (1.19.1), Protocol 97 (1073741921), Release Protocol: 760

Handshaking (Server -> Client)

Handshaking (Client -> Server)

0x00 - Client Intention Packet

Type	Name
int	protocol version
ConnectionProtocol	intention
String	host name
int	port

Play (Server -> Client)

0x00 - Add Entity Packet

Type	Name
EntityType<?>	type
UUID	uuid
int	ya
byte	x rot
int	xa
byte	y rot
int	za
int	data
double	z
int	id
double	x
double	y
byte	y head rot

0x01 - Add Experience Orb Packet

Type	Name
double	y
double	x
int	id
double	z
int	value

0x02 - Add Player Packet

Type	Name
byte	y rot
double	y
double	x
byte	x rot
int	entity id
double	z
UUID	player id

0x03 - Animate Packet

Type	Name
int	id
int	action

0x04 - Award Stats Packet

Type	Name
Object2IntMap<Stat<?>>	stats

0x05 - Block Changed Ack Packet

Type	Name
int	sequence

0x06 - Block Destruction Packet

Type	Name
int	id
int	progress
BlockPos	pos

0x07 - Block Entity Data Packet

Type	Name
CompoundTag	tag
BlockEntityType<?>	type
BlockPos	pos

0x08 - Block Event Packet

Type	Name
Block	block
int	b1
int	b0
BlockPos	pos

0x09 - Block Update Packet

Type	Name
BlockState	block state
BlockPos	pos

0x0A - Boss Event Packet

Type	Name
Operation	operation
UUID	id

0x0B - Change Difficulty Packet

Type	Name
boolean	locked
Difficulty	difficulty

0x0C - Chat Preview Packet

Type	Name
int	query id
Component	preview

0x0D - Clear Titles Packet

Type	Name
boolean	reset times

0x0E - Command Suggestions Packet

Type	Name
int	id
Suggestions	suggestions

0x0F - Commands Packet

Type	Name
List<Entry>	entries
int	root index

0x10 - Container Close Packet

Type	Name
int	container id

0x11 - Container Set Content Packet

Type	Name
int	state id
List<ItemStack>	items
ItemStack	carried item
int	container id

0x12 - Container Set Data Packet

Type	Name
int	id
int	container id
int	value

0x13 - Container Set Slot Packet

Type	Name
int	state id
ItemStack	item stack
int	container id
int	slot

0x14 - Cooldown Packet

Type	Name
int	duration
Item	item

0x15 - Custom Chat Completions Packet

Type	Name
Action	action
List<String>	entries

0x16 - Custom Payload Packet

Type	Name
ResourceLocation	identifier
FriendlyByteBuf	data

0x17 - Custom Sound Packet

Type	Name
SoundSource	source
float	pitch
int	z
int	y
ResourceLocation	name
int	x
long	seed
float	volume

0x18 - Delete Chat Packet

Type	Name
MessageSignature	message signature

0x19 - Disconnect Packet

Type	Name
Component	reason

0x1A - Entity Event Packet

Type	Name
int	entity id
byte	event id

0x1B - Explode Packet

Type	Name
double	z
float	power
double	x
double	y
float	knockback x
List<BlockPos>	to blow
float	knockback y
float	knockback z

0x1C - Forget Level Chunk Packet

Type	Name
int	z
int	x

0x1D - Game Event Packet

Type	Name
float	param
Type	event

0x1E - Horse Screen Open Packet

Type	Name
int	container id
int	entity id
int	size

0x1F - Initialize Border Packet

Type	Name
int	new absolute max size
double	new center x
double	new size
long	lerp time
int	warning blocks
double	old size
int	warning time
double	new center z

0x20 - Keep Alive Packet

Type	Name
long	id

0x21 - Level Chunk With Light Packet

Type	Name
int	z
int	x
ClientboundLightUpdatePacketData	light data
ClientboundLevelChunkPacketData	chunk data

0x22 - Level Event Packet

Type	Name
boolean	global event
int	type
BlockPos	pos
int	data

0x23 - Level Particles Packet

Type	Name
float	max speed
double	z
ParticleOptions	particle
double	y
double	x
int	count
boolean	override limiter
float	z dist
float	y dist
float	x dist

0x24 - Light Update Packet

Type	Name
int	x
int	z
ClientboundLightUpdatePacketData	light data

0x25 - Login Packet

Type	Name
Frozen	registry holder
GameType	previous game type
boolean	hardcore
long	seed
boolean	reduced debug info
GameType	game type
boolean	is flat
int	max players
ResourceKey<DimensionType>	dimension type
int	chunk radius
ResourceKey<Level>	dimension
int	player id
Set<ResourceKey<Level>>	levels
Optional<GlobalPos>	last death location
int	simulation distance
boolean	is debug
boolean	show death screen

0x26 - Map Item Data Packet

Type	Name
MapPatch	color patch
boolean	locked
int	map id
List<MapDecoration>	decorations
byte	scale

0x27 - Merchant Offers Packet

Type	Name
MerchantOffers	offers
int	villager level
int	villager xp
boolean	show progress
boolean	can restock
int	container id

0x28 - Pos

Type	Name
short	xa
boolean	has rot
short	ya
byte	x rot
int	entity id
boolean	has pos
boolean	on ground
short	za
byte	y rot

0x29 - Pos Rot

Type	Name
short	xa
boolean	has rot
short	ya
byte	x rot
int	entity id
boolean	has pos
boolean	on ground
short	za
byte	y rot

0x2A - Rot

Type	Name
short	xa
boolean	has rot
short	ya
byte	x rot
int	entity id
boolean	has pos
boolean	on ground
short	za
byte	y rot

0x2B - Move Vehicle Packet

Type	Name
double	x
float	x rot
double	y
double	z
float	y rot

0x2C - Open Book Packet

Type	Name
InteractionHand	hand

0x2D - Open Screen Packet

Type	Name
int	container id
MenuType<?>	type
Component	title

0x2E - Open Sign Editor Packet

Type	Name
BlockPos	pos

0x2F - Ping Packet

Type	Name
int	id

0x30 - Place Ghost Recipe Packet

Type	Name
int	container id
ResourceLocation	recipe

0x31 - Player Abilities Packet

Type	Name
boolean	invulnerable
boolean	instabuild
float	flying speed
float	walking speed
boolean	is flying
boolean	can fly

0x32 - Player Chat Packet

Type	Name
BoundNetwork	chat type
PlayerChatMessage	message

0x33 - Player Chat Header Packet

Type	Name
MessageSignature	header signature
byte[]	body digest
SignedMessageHeader	header

0x34 - Player Combat End Packet

Type	Name
int	killer id
int	duration

0x35 - Player Combat Enter Packet

Type	Name

0x36 - Player Combat Kill Packet

Type	Name
Component	message
int	killer id
int	player id

0x37 - Player Info Packet

Type	Name
List<PlayerUpdate>	entries
Action	action

0x38 - Player Look At Packet

Type	Name
Anchor	to anchor
Anchor	from anchor
boolean	at entity
double	z
double	y
double	x
int	entity

0x39 - Player Position Packet

Type	Name
double	z
int	id
double	x
float	x rot
double	y
boolean	dismount vehicle
Set<RelativeArgument>	relative arguments
float	y rot

0x3A - Recipe Packet

Type	Name
RecipeBookSettings	book settings
List<ResourceLocation>	recipes
List<ResourceLocation>	to highlight
State	state

0x3B - Remove Entities Packet

Type	Name
IntList	entity ids

0x3C - Remove Mob Effect Packet

Type	Name
int	entity id
MobEffect	effect

0x3D - Resource Pack Packet

Type	Name
String	url
String	hash
boolean	required
Component	prompt

0x3E - Respawn Packet

Type	Name
long	seed
GameType	previous player game type
boolean	is debug
boolean	is flat
ResourceKey<DimensionType>	dimension type
GameType	player game type
ResourceKey<Level>	dimension
boolean	keep all player data
Optional<GlobalPos>	last death location

0x3F - Rotate Head Packet

Type	Name
byte	y head rot
int	entity id

0x40 - Section Blocks Update Packet

Type	Name
boolean	suppress light updates
SectionPos	section pos
BlockState[]	states
short[]	positions

0x41 - Select Advancements Tab Packet

Type	Name
ResourceLocation	tab

0x42 - Server Data Packet

Type	Name
boolean	previews chat
Optional<String>	icon base64
Optional<Component>	motd

0x43 - Set Action Bar Text Packet

Type	Name
Component	text

0x44 - Set Border Center Packet

Type	Name
double	new center z
double	new center x

0x45 - Set Border Lerp Size Packet

Type	Name
double	new size
long	lerp time
double	old size

0x46 - Set Border Size Packet

Type	Name
double	size

0x47 - Set Border Warning Delay Packet

Type	Name
int	warning delay

0x48 - Set Border Warning Distance Packet

Type	Name
int	warning blocks

0x49 - Set Camera Packet

Type	Name
int	camera id

0x4A - Set Carried Item Packet

Type	Name
int	slot

0x4B - Set Chunk Cache Center Packet

Type	Name
int	x
int	z

0x4C - Set Chunk Cache Radius Packet

Type	Name
int	radius

0x4D - Set Default Spawn Position Packet

Type	Name
float	angle
BlockPos	pos

0x4E - Set Display Chat Preview Packet

Type	Name
boolean	enabled

0x4F - Set Display Objective Packet

Type	Name
int	slot
String	objective name

0x50 - Set Entity Data Packet

Type	Name
List<DataItem<?>>	packed items
int	id

0x51 - Set Entity Link Packet

Type	Name
int	source id
int	dest id

0x52 - Set Entity Motion Packet

Type	Name
int	id
int	ya
int	xa
int	za

0x53 - Set Equipment Packet

Type	Name
int	entity
List<Pair<EquipmentSlot, ItemStack>>	slots

0x54 - Set Experience Packet

Type	Name
int	total experience
float	experience progress
int	experience level

0x55 - Set Health Packet

Type	Name
int	food
float	health
float	saturation

0x56 - Set Objective Packet

Type	Name
String	objective name
RenderType	render type
Component	display name
int	method

0x57 - Set Passengers Packet

Type	Name
int	vehicle
int[]	passengers

0x58 - Set Player Team Packet

Type	Name
String	name
Optional<Parameters>	parameters
int	method
Collection<String>	players

0x59 - Set Score Packet

Type	Name
String	objective name
Method	method
int	score
String	owner

0x5A - Set Simulation Distance Packet

Type	Name
int	simulation distance

0x5B - Set Subtitle Text Packet

Type	Name
Component	text

0x5C - Set Time Packet

Type	Name
long	day time
long	game time

0x5D - Set Title Text Packet

Type	Name
Component	text

0x5E - Set Titles Animation Packet

Type	Name
int	fade out
int	fade in
int	stay

0x5F - Sound Entity Packet

Type	Name
long	seed
SoundEvent	sound
float	volume
SoundSource	source
int	id
float	pitch

0x60 - Sound Packet

Type	Name
int	y
int	x
SoundSource	source
float	pitch
int	z
long	seed
SoundEvent	sound
float	volume

0x61 - Stop Sound Packet

Type	Name
ResourceLocation	name
SoundSource	source

0x62 - System Chat Packet

Type	Name
Component	content
boolean	overlay

0x63 - Tab List Packet

Type	Name
Component	footer
Component	header

0x64 - Tag Query Packet

Type	Name
CompoundTag	tag
int	transaction id

0x65 - Take Item Entity Packet

Type	Name
int	player id
int	amount
int	item id

0x66 - Teleport Entity Packet

Type	Name
boolean	on ground
byte	y rot
double	x
byte	x rot
double	y
double	z
int	id

0x67 - Update Advancements Packet

Type	Name
Set<ResourceLocation>	removed
Map<ResourceLocation, Builder>	added
boolean	reset
Map<ResourceLocation, AdvancementProgress>	progress

0x68 - Update Attributes Packet

Type	Name
int	entity id
List<AttributeSnapshot>	attributes

0x69 - Update Mob Effect Packet

Type	Name
byte	effect amplifier
int	effect duration ticks
int	entity id
byte	flags
MobEffect	effect
FactorData	factor data

0x6A - Update Recipes Packet

Type	Name
List<Recipe<?>>	recipes

0x6B - Update Tags Packet

Type	Name
Map<ResourceKey<? extends Registry<?>>, NetworkPayload>	tags

Play (Client -> Server)

0x00 - Accept Teleportation Packet

Type	Name
int	id

0x01 - Block Entity Tag Query

Type	Name
int	transaction id
BlockPos	pos

0x02 - Change Difficulty Packet

Type	Name
Difficulty	difficulty

0x03 - Chat Command Packet

Type	Name
Instant	time stamp
long	salt
String	command
boolean	signed preview
ArgumentSignatures	argument signatures

0x04 - Chat Packet

Type	Name
boolean	signed preview
String	message
long	salt
Instant	time stamp
MessageSignature	signature

0x05 - Chat Preview Packet

Type	Name
String	query
int	query id

0x06 - Client Command Packet

Type	Name
Action	action

0x07 - Client Information Packet

Type	Name
boolean	chat colors
int	model customisation
ChatVisiblity	chat visibility
HumanoidArm	main hand
int	view distance
String	language
boolean	text filtering enabled
boolean	allows listing

0x08 - Command Suggestion Packet

Type	Name
int	id
String	command

0x09 - Container Button Click Packet

Type	Name
int	container id
int	button id

0x0A - Container Click Packet

Type	Name
int	container id
ClickType	click type
ItemStack	carried item
Int2ObjectMap<ItemStack>	changed slots
int	button num
int	state id
int	slot num

0x0B - Container Close Packet

Type	Name
int	container id

0x0C - Custom Payload Packet

Type	Name
FriendlyByteBuf	data
ResourceLocation	identifier

0x0D - Edit Book Packet

Type	Name
Optional<String>	title
int	slot
List<String>	pages

0x0E - Entity Tag Query

Type	Name
int	transaction id
int	entity id

0x0F - Interact Packet

Type	Name
int	entity id
Action	action
boolean	using secondary action

0x10 - Jigsaw Generate Packet

Type	Name
int	levels
boolean	keep jigsaws
BlockPos	pos

0x11 - Keep Alive Packet

Type	Name
long	id

0x12 - Lock Difficulty Packet

Type	Name
boolean	locked

0x13 - Pos

Type	Name
boolean	has pos
double	y
boolean	has rot
double	x
float	x rot
double	z
boolean	on ground
float	y rot

0x14 - Pos Rot

Type	Name
boolean	has pos
double	y
boolean	has rot
double	x
float	x rot
double	z
boolean	on ground
float	y rot

0x15 - Rot

Type	Name
boolean	has pos
double	y
boolean	has rot
double	x
float	x rot
double	z
boolean	on ground
float	y rot

0x16 - Status Only

Type	Name
boolean	has pos
double	y
boolean	has rot
double	x
float	x rot
double	z
boolean	on ground
float	y rot

0x17 - Move Vehicle Packet

Type	Name
float	y rot
double	y
double	x
float	x rot
double	z

0x18 - Paddle Boat Packet

Type	Name
boolean	right
boolean	left

0x19 - Pick Item Packet

Type	Name
int	slot

0x1A - Place Recipe Packet

Type	Name
boolean	shift down
ResourceLocation	recipe
int	container id

0x1B - Player Abilities Packet

Type	Name
boolean	is flying

0x1C - Player Action Packet

Type	Name
Action	action
Direction	direction
int	sequence
BlockPos	pos

0x1D - Player Command Packet

Type	Name
Action	action
int	id
int	data

0x1E - Player Input Packet

Type	Name
boolean	is shift key down
boolean	is jumping
float	xxa
float	zza

0x1F - Pong Packet

Type	Name
int	id

0x20 - Recipe Book Change Settings Packet

Type	Name
RecipeBookType	book type
boolean	is open
boolean	is filtering

0x21 - Recipe Book Seen Recipe Packet

Type	Name
ResourceLocation	recipe

0x22 - Rename Item Packet

Type	Name
String	name

0x23 - Resource Pack Packet

Type	Name
Action	action

0x24 - Seen Advancements Packet

Type	Name
Action	action
ResourceLocation	tab

0x25 - Select Trade Packet

Type	Name
int	item

0x26 - Set Beacon Packet

Type	Name
Optional<MobEffect>	secondary
Optional<MobEffect>	primary

0x27 - Set Carried Item Packet

Type	Name
int	slot

0x28 - Set Command Block Packet

Type	Name
boolean	automatic
String	command
Mode	mode
BlockPos	pos
boolean	track output
boolean	conditional

0x29 - Set Command Minecart Packet

Type	Name
boolean	track output
int	entity
String	command

0x2A - Set Creative Mode Slot Packet

Type	Name
int	slot num
ItemStack	item stack

0x2B - Set Jigsaw Block Packet

Type	Name
BlockPos	pos
JointType	joint
ResourceLocation	target
String	final state
ResourceLocation	name
ResourceLocation	pool

0x2C - Set Structure Block Packet

Type	Name
UpdateType	update type
String	name
boolean	show air
Vec3i	size
boolean	show bounding box
BlockPos	pos
StructureMode	mode
float	integrity
BlockPos	offset
String	data
long	seed
Rotation	rotation
Mirror	mirror
boolean	ignore entities

0x2D - Sign Update Packet

Type	Name
BlockPos	pos
String[]	lines

0x2E - Swing Packet

Type	Name
InteractionHand	hand

0x2F - Teleport To Entity Packet

Type	Name
UUID	uuid

0x30 - Use Item On Packet

Type	Name
InteractionHand	hand
BlockHitResult	block hit
int	sequence

0x31 - Use Item Packet

Type	Name
int	sequence
InteractionHand	hand

Status (Server -> Client)

0x00 - Status Response Packet

Type	Name
ServerStatus	status

0x01 - Pong Response Packet

Type	Name
long	time

Status (Client -> Server)

0x00 - Status Request Packet

Type	Name

0x01 - Ping Request Packet

Type	Name
long	time

Login (Server -> Client)

0x00 - Login Disconnect Packet

Type	Name
Component	reason

0x01 - Hello Packet

Type	Name
String	server id
byte[]	nonce
byte[]	public key

0x02 - Game Profile Packet

Type	Name
GameProfile	game profile

0x03 - Login Compression Packet

Type	Name
int	compression threshold

0x04 - Custom Query Packet

Type	Name
int	transaction id
FriendlyByteBuf	data
ResourceLocation	identifier

Login (Client -> Server)

0x00 - Hello Packet

Type	Name
Optional<UUID>	profile id
Optional<Data>	public key
String	name

0x01 - Key Packet

Type	Name
byte[]	keybytes
Either<byte[], SaltSignaturePair>	nonce or salt signature

0x02 - Custom Query Packet

Type	Name
FriendlyByteBuf	data
int	transaction id

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