Table of Contents

KeyName
Typeslot
TypeentityMetadataItem


Type
slot
Datatype

Field NameField TypeNotes
blockId i16
🔁

if blockId
is -1 void
default
itemCount i8
nbtData optionalNbt




Field NameField TypeNotes
entityMetadataItem

if compareTo
is 0 i8
is 1 varint
is 2 f32
is 3 string
is 4 string
is 5 slot
is 6 bool
is 7
pitch f32
yaw f32
roll f32
is 8 position
is 10 varint
is 12 varint
is 13 nbt



Table of Contents

KeyName
Typepacket


Type
packet
Datatype

Field NameField TypeNotes
name
varint enum



Table of Contents

KeyName
Typepacket_set_protocol
0xfepacket_legacy_server_list_ping
Typepacket


0
packet set protocol
handshaking / toServer / packet_set_protocol (0x00)

Field NameField TypeNotes
protocolVersion varint
serverHost string
serverPort u16
nextState varint



254
packet legacy server list ping
handshaking / toServer / packet_legacy_server_list_ping (0xfe)

Field NameField TypeNotes
payload u8



Type
packet
handshaking / toServer / packet

Field NameField TypeNotes
name
varint enum
0set protocol
254legacy 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

KeyName
Typepacket_server_info
0x1packet_ping
Typepacket


0
packet server info
status / toClient / packet_server_info (0x00)

Field NameField TypeNotes
response string



1
packet ping
status / toClient / packet_ping (0x01)

Field NameField TypeNotes
time i64



Type
packet
status / toClient / packet

Field NameField TypeNotes
name
varint enum
0server info
1ping
params

if name
is server info packet_server_info
is ping packet_ping



Table of Contents

KeyName
Typepacket_ping_start
0x1packet_ping
Typepacket


1
packet ping
status / toServer / packet_ping (0x01)

Field NameField TypeNotes
time i64



Type
packet
status / toServer / packet

Field NameField TypeNotes
name
varint enum
0ping start
1ping
params

if name
is ping start packet_ping_start
is ping packet_ping



Table of Contents

KeyName
Typepacket_disconnect
0x1packet_encryption_begin
0x2packet_success
0x3packet_compress
Typepacket


0
packet disconnect
login / toClient / packet_disconnect (0x00)

Field NameField TypeNotes
reason string



1
packet encryption begin
login / toClient / packet_encryption_begin (0x01)

Field NameField TypeNotes
serverId string



2
packet success
login / toClient / packet_success (0x02)

Field NameField TypeNotes
uuid string
username string



3
packet compress
login / toClient / packet_compress (0x03)

Field NameField TypeNotes
threshold varint



Type
packet
login / toClient / packet

Field NameField TypeNotes
name
varint enum
0disconnect
1encryption begin
2success
3compress
params

if name
is disconnect packet_disconnect
is encryption begin packet_encryption_begin
is success packet_success
is compress packet_compress



Table of Contents

KeyName
Typepacket_login_start
0x1packet_encryption_begin
Typepacket


0
packet login start
login / toServer / packet_login_start (0x00)

Field NameField TypeNotes
username string



1
packet encryption begin
login / toServer / packet_encryption_begin (0x01)

Field NameField TypeNotes



Type
packet
login / toServer / packet

Field NameField TypeNotes
name
varint enum
0login start
1encryption begin
params

if name
is login start packet_login_start
is encryption begin packet_encryption_begin



Table of Contents

KeyName
Typepacket_spawn_entity
0x1packet_spawn_entity_experience_orb
0x2packet_spawn_entity_weather
0x3packet_spawn_entity_living
0x4packet_spawn_entity_painting
0x5packet_named_entity_spawn
0x6packet_animation
0x7packet_statistics
0x4fpacket_advancements
0x8packet_block_break_animation
0x9packet_tile_entity_data
0xapacket_block_action
0xbpacket_block_change
0xcpacket_boss_bar
0xdpacket_difficulty
0x10packet_tab_complete
0x11packet_declare_commands
0xepacket_chat
0xfpacket_multi_block_change
0x12packet_transaction
0x13packet_close_window
0x14packet_open_window
0x15packet_window_items
0x16packet_craft_progress_bar
0x17packet_set_slot
0x18packet_set_cooldown
0x19packet_custom_payload
0x1apacket_named_sound_effect
0x1bpacket_kick_disconnect
0x1cpacket_entity_status
0x1dpacket_explosion
0x1epacket_unload_chunk
0x1fpacket_game_state_change
0x20packet_keep_alive
0x21packet_map_chunk
0x22packet_world_event
0x23packet_world_particles
0x24packet_login
0x25packet_map
0x27packet_rel_entity_move
0x28packet_entity_move_look
0x29packet_entity_look
0x26packet_entity
0x2apacket_vehicle_move
0x2bpacket_open_sign_entity
0x2cpacket_craft_recipe_response
0x2dpacket_abilities
0x2epacket_combat_event
0x2fpacket_player_info
0x30packet_position
0x31packet_bed
0x32packet_unlock_recipes
0x33packet_entity_destroy
0x34packet_remove_entity_effect
0x35packet_resource_pack_send
0x36packet_respawn
0x37packet_entity_head_rotation
0x39packet_world_border
0x3apacket_camera
0x3bpacket_held_item_slot
0x3cpacket_scoreboard_display_objective
0x3dpacket_entity_metadata
0x3epacket_attach_entity
0x3fpacket_entity_velocity
0x40packet_entity_equipment
0x41packet_experience
0x42packet_update_health
0x43packet_scoreboard_objective
0x44packet_set_passengers
0x45packet_teams
0x46packet_scoreboard_score
0x47packet_spawn_position
0x48packet_update_time
0x49packet_title
0x4apacket_stop_sound
0x4bpacket_sound_effect
0x4cpacket_playerlist_header
0x4dpacket_collect
0x4epacket_entity_teleport
0x50packet_entity_update_attributes
0x51packet_entity_effect
0x38packet_select_advancement_tab
0x52packet_declare_recipes
Typetags
0x53packet_tags
Typepacket


0
packet spawn entity
play / toClient / packet_spawn_entity (0x00)

Field NameField TypeNotes
entityId varint
objectUUID UUID
type i8
x f64
y f64
z f64
pitch i8
yaw i8
objectData i32
velocityX i16
velocityY i16
velocityZ i16



1
packet spawn entity experience orb
play / toClient / packet_spawn_entity_experience_orb (0x01)

Field NameField TypeNotes
entityId varint
x f64
y f64
z f64
count i16



2
packet spawn entity weather
play / toClient / packet_spawn_entity_weather (0x02)

Field NameField TypeNotes
entityId varint
type i8
x f64
y f64
z f64



3
packet spawn entity living
play / toClient / packet_spawn_entity_living (0x03)

Field NameField TypeNotes
entityId varint
entityUUID UUID
type varint
x f64
y f64
z f64
yaw i8
pitch i8
headPitch i8
velocityX i16
velocityY i16
velocityZ i16
metadata entityMetadata



4
packet spawn entity painting
play / toClient / packet_spawn_entity_painting (0x04)

Field NameField TypeNotes
entityId varint
entityUUID UUID
title string
location position
direction u8



5
packet named entity spawn
play / toClient / packet_named_entity_spawn (0x05)

Field NameField TypeNotes
entityId varint
playerUUID UUID
x f64
y f64
z f64
yaw i8
pitch i8
metadata entityMetadata



6
packet animation
play / toClient / packet_animation (0x06)

Field NameField TypeNotes
entityId varint
animation u8



7
packet statistics
play / toClient / packet_statistics (0x07)

Field NameField TypeNotes
entries lengthvarint
entries
array
unknown1 varint
unknown2 varint
value varint



79
packet advancements
play / toClient / packet_advancements (0x4f)

Field NameField TypeNotes
reset bool
advancementMapping lengthvarint
advancementMapping
array
key string
value
parentId
optional
string
displayData
optional
title string
description string
icon slot
frameType varint
backgroundTexture

if flags/has background texture
is 1 string
default void
xCord f32
yCord f32
criteria lengthvarint
criteria
array
key string
value void
requirements lengthvarint
requirements
array
__334 lengthvarint
__334
array
string
identifiers lengthvarint
identifiers
array
string
progressMapping lengthvarint
progressMapping
array
key string
value lengthvarint
value
array
criterionIdentifier string
criterionProgress
optional
i64



8
packet block break animation
play / toClient / packet_block_break_animation (0x08)

Field NameField TypeNotes
entityId varint
location position
destroyStage i8



9
packet tile entity data
play / toClient / packet_tile_entity_data (0x09)

Field NameField TypeNotes
location position
action u8
nbtData optionalNbt



10
packet block action
play / toClient / packet_block_action (0x0a)

Field NameField TypeNotes
location position
byte1 u8
byte2 u8
blockId varint



11
packet block change
play / toClient / packet_block_change (0x0b)

Field NameField TypeNotes
location position
type varint



12
packet boss bar
play / toClient / packet_boss_bar (0x0c)

Field NameField TypeNotes
entityUUID UUID
action varint
title

if action
is 0 string
is 3 string
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



13
packet difficulty
play / toClient / packet_difficulty (0x0d)

Field NameField TypeNotes
difficulty u8



16
packet tab complete
play / toClient / packet_tab_complete (0x10)

Field NameField TypeNotes
transactionId varint
start varint
length varint
matches lengthvarint
matches
array
string



17
packet declare commands
play / toClient / packet_declare_commands (0x11)

Field NameField TypeNotes
nodes lengthvarint
nodes
array
children lengthvarint
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 string
is 2
name string
parser string
properties

if parser
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:float
min

if flags/min present
is 1 f32
default void
max

if flags/max present
is 1 f32
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
is minecraft:entity i8
is minecraft:score holder i8
is minecraft:range bool
default void
suggests

if ../flags/has custom suggestions
is 1 string
default void
rootIndex varint



14
packet chat
play / toClient / packet_chat (0x0e)

Field NameField TypeNotes
message string
position i8



15
packet multi block change
play / toClient / packet_multi_block_change (0x0f)

Field NameField TypeNotes
chunkX i32
chunkZ i32
records lengthvarint
records
array
horizontalPos u8
y u8
blockId varint



18
packet transaction
play / toClient / packet_transaction (0x12)

Field NameField TypeNotes
windowId i8
action i16
accepted bool



19
packet close window
play / toClient / packet_close_window (0x13)

Field NameField TypeNotes
windowId u8



20
packet open window
play / toClient / packet_open_window (0x14)

Field NameField TypeNotes
windowId u8
inventoryType string
windowTitle string
slotCount u8
entityId

if inventoryType
is EntityHorse i32
default void



21
packet window items
play / toClient / packet_window_items (0x15)

Field NameField TypeNotes
windowId u8
items lengthi16
items
array
slot



22
packet craft progress bar
play / toClient / packet_craft_progress_bar (0x16)

Field NameField TypeNotes
windowId u8
property i16
value i16



23
packet set slot
play / toClient / packet_set_slot (0x17)

Field NameField TypeNotes
windowId i8
slot i16
item slot



24
packet set cooldown
play / toClient / packet_set_cooldown (0x18)

Field NameField TypeNotes
itemID varint
cooldownTicks varint



25
packet custom payload
play / toClient / packet_custom_payload (0x19)

Field NameField TypeNotes
channel string
data restBuffer



26
packet named sound effect
play / toClient / packet_named_sound_effect (0x1a)

Field NameField TypeNotes
soundName string
soundCategory varint
x i32
y i32
z i32
volume f32
pitch f32



27
packet kick disconnect
play / toClient / packet_kick_disconnect (0x1b)

Field NameField TypeNotes
reason string



28
packet entity status
play / toClient / packet_entity_status (0x1c)

Field NameField TypeNotes
entityId i32
entityStatus i8



29
packet explosion
play / toClient / packet_explosion (0x1d)

Field NameField TypeNotes
x f32
y f32
z f32
radius f32
affectedBlockOffsets lengthi32
affectedBlockOffsets
array
x i8
y i8
z i8
playerMotionX f32
playerMotionY f32
playerMotionZ f32



30
packet unload chunk
play / toClient / packet_unload_chunk (0x1e)

Field NameField TypeNotes
chunkX i32
chunkZ i32



31
packet game state change
play / toClient / packet_game_state_change (0x1f)

Field NameField TypeNotes
reason u8
gameMode f32



32
packet keep alive
play / toClient / packet_keep_alive (0x20)

Field NameField TypeNotes
keepAliveId i64



33
packet map chunk
play / toClient / packet_map_chunk (0x21)

Field NameField TypeNotes
x i32
z i32
groundUp bool
bitMap varint
blockEntities lengthvarint
blockEntities
array
nbt



34
packet world event
play / toClient / packet_world_event (0x22)

Field NameField TypeNotes
effectId i32
location position
data i32
global bool



35
packet world particles
play / toClient / packet_world_particles (0x23)

Field NameField TypeNotes
particleId i32
longDistance bool
x f32
y f32
z f32
offsetX f32
offsetY f32
offsetZ f32
particleData f32
particles i32
data

if particleId
is 36 slot
is 37 varint
is 38 varint
is 46 varint
default void



36
packet login
play / toClient / packet_login (0x24)

Field NameField TypeNotes
entityId i32
gameMode u8
dimension i32
difficulty u8
maxPlayers u8
levelType string
reducedDebugInfo bool



37
packet map
play / toClient / packet_map (0x25)

Field NameField TypeNotes
itemDamage varint
scale i8
trackingPosition bool
icons lengthvarint
icons
array
directionAndType i8
x i8
z i8
columns i8
rows

if columns
is 0 void
default i8
x

if columns
is 0 void
default i8
y

if columns
is 0 void
default i8
data

if columns
is 0 void



39
packet rel entity move
play / toClient / packet_rel_entity_move (0x27)

Field NameField TypeNotes
entityId varint
dX i16
dY i16
dZ i16
onGround bool



40
packet entity move look
play / toClient / packet_entity_move_look (0x28)

Field NameField TypeNotes
entityId varint
dX i16
dY i16
dZ i16
yaw i8
pitch i8
onGround bool



41
packet entity look
play / toClient / packet_entity_look (0x29)

Field NameField TypeNotes
entityId varint
yaw i8
pitch i8
onGround bool



38
packet entity
play / toClient / packet_entity (0x26)

Field NameField TypeNotes
entityId varint



42
packet vehicle move
play / toClient / packet_vehicle_move (0x2a)

Field NameField TypeNotes
x f64
y f64
z f64
yaw f32
pitch f32



43
packet open sign entity
play / toClient / packet_open_sign_entity (0x2b)

Field NameField TypeNotes
location position



44
packet craft recipe response
play / toClient / packet_craft_recipe_response (0x2c)

Field NameField TypeNotes
windowId i8
recipe string



45
packet abilities
play / toClient / packet_abilities (0x2d)

Field NameField TypeNotes
flags i8
flyingSpeed f32
walkingSpeed f32



46
packet combat event
play / toClient / packet_combat_event (0x2e)

Field NameField TypeNotes
event varint
duration

if event
is 1 varint
default void
playerId

if event
is 2 varint
default void
entityId

if event
is 1 i32
is 2 i32
default void
message

if event
is 2 string
default void



47
packet player info
play / toClient / packet_player_info (0x2f)

Field NameField TypeNotes
action varint
data lengthvarint
data
array
UUID UUID
name

if ../action
is 0 string
default void
properties

if ../action
is 0 lengthvarint
is 0
array
name string
value string
signature
optional
string
default void
gamemode

if ../action
is 0 varint
is 1 varint
default void
ping

if ../action
is 0 varint
is 2 varint
default void
displayName

if ../action
default void



48
packet position
play / toClient / packet_position (0x30)

Field NameField TypeNotes
x f64
y f64
z f64
yaw f32
pitch f32
flags i8
teleportId varint



49
packet bed
play / toClient / packet_bed (0x31)

Field NameField TypeNotes
entityId varint
location position



50
packet unlock recipes
play / toClient / packet_unlock_recipes (0x32)

Field NameField TypeNotes
action varint
craftingBookOpen bool
filteringCraftable bool
recipes1 lengthvarint
recipes1
array
string
recipes2

if action
is 0 lengthvarint
is 0
array
string
default void



51
packet entity destroy
play / toClient / packet_entity_destroy (0x33)

Field NameField TypeNotes
entityIds lengthvarint
entityIds
array
varint



52
packet remove entity effect
play / toClient / packet_remove_entity_effect (0x34)

Field NameField TypeNotes
entityId varint
effectId i8



53
packet resource pack send
play / toClient / packet_resource_pack_send (0x35)

Field NameField TypeNotes
url string
hash string



54
packet respawn
play / toClient / packet_respawn (0x36)

Field NameField TypeNotes
dimension i32
difficulty u8
gamemode u8
levelType string



55
packet entity head rotation
play / toClient / packet_entity_head_rotation (0x37)

Field NameField TypeNotes
entityId varint
headYaw i8



57
packet world border
play / toClient / packet_world_border (0x39)

Field NameField TypeNotes
action varint
radius

if action
is 0 f64
default void
x

if action
is 2 f64
is 3 f64
default void
z

if action
is 2 f64
is 3 f64
default void
old radius

if action
is 1 f64
is 3 f64
default void
new radius

if action
is 1 f64
is 3 f64
default void
speed

if action
is 1 varlong
is 3 varlong
default void
portalBoundary

if action
is 3 varint
default void
warning time

if action
is 3 varint
is 4 varint
default void
warning blocks

if action
is 3 varint
is 5 varint
default void



58
packet camera
play / toClient / packet_camera (0x3a)

Field NameField TypeNotes
cameraId varint



59
packet held item slot
play / toClient / packet_held_item_slot (0x3b)

Field NameField TypeNotes
slot i8



60
packet scoreboard display objective
play / toClient / packet_scoreboard_display_objective (0x3c)

Field NameField TypeNotes
position i8
name string



61
packet entity metadata
play / toClient / packet_entity_metadata (0x3d)

Field NameField TypeNotes
entityId varint
metadata entityMetadata



62
packet attach entity
play / toClient / packet_attach_entity (0x3e)

Field NameField TypeNotes
entityId i32
vehicleId i32



63
packet entity velocity
play / toClient / packet_entity_velocity (0x3f)

Field NameField TypeNotes
entityId varint
velocityX i16
velocityY i16
velocityZ i16



64
packet entity equipment
play / toClient / packet_entity_equipment (0x40)

Field NameField TypeNotes
entityId varint
slot varint
item slot



65
packet experience
play / toClient / packet_experience (0x41)

Field NameField TypeNotes
experienceBar f32
level varint
totalExperience varint



66
packet update health
play / toClient / packet_update_health (0x42)

Field NameField TypeNotes
health f32
food varint
foodSaturation f32



67
packet scoreboard objective
play / toClient / packet_scoreboard_objective (0x43)

Field NameField TypeNotes
name string
action i8
displayText

if action
is 0 string
is 2 string
default void
type

if action
is 0 string
is 2 string
default void



68
packet set passengers
play / toClient / packet_set_passengers (0x44)

Field NameField TypeNotes
entityId varint
passengers lengthvarint
passengers
array
varint



69
packet teams
play / toClient / packet_teams (0x45)

Field NameField TypeNotes
team string
mode i8
name

if mode
is 0 string
is 2 string
default void
prefix

if mode
is 0 string
is 2 string
default void
suffix

if mode
is 0 string
is 2 string
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
color

if mode
is 0 i8
is 2 i8
default void
players

if mode
is 0 lengthvarint
is 0
array
string
is 3 lengthvarint
is 3
array
string
is 4 lengthvarint
is 4
array
string
default void



70
packet scoreboard score
play / toClient / packet_scoreboard_score (0x46)

Field NameField TypeNotes
itemName string
action varint
scoreName string
value

if action
is 1 void
default varint



71
packet spawn position
play / toClient / packet_spawn_position (0x47)

Field NameField TypeNotes
location position



72
packet update time
play / toClient / packet_update_time (0x48)

Field NameField TypeNotes
age i64
time i64



73
packet title
play / toClient / packet_title (0x49)

Field NameField TypeNotes
action varint
text

if action
is 0 string
is 1 string
is 2 string
default void
fadeIn

if action
is 3 i32
default void
stay

if action
is 3 i32
default void
fadeOut

if action
is 3 i32
default void



74
packet stop sound
play / toClient / packet_stop_sound (0x4a)

Field NameField TypeNotes
flags i8
source

if flags
is 1 varint
is 3 varint
default void
sound

if flags
is 2 string
is 3 string
default void



75
packet sound effect
play / toClient / packet_sound_effect (0x4b)

Field NameField TypeNotes
soundId varint
soundCategory varint
x i32
y i32
z i32
volume f32
pitch f32



76
packet playerlist header
play / toClient / packet_playerlist_header (0x4c)

Field NameField TypeNotes
header string
footer string



77
packet collect
play / toClient / packet_collect (0x4d)

Field NameField TypeNotes
collectedEntityId varint
collectorEntityId varint
pickupItemCount varint



78
packet entity teleport
play / toClient / packet_entity_teleport (0x4e)

Field NameField TypeNotes
entityId varint
x f64
y f64
z f64
yaw i8
pitch i8
onGround bool



80
packet entity update attributes
play / toClient / packet_entity_update_attributes (0x50)

Field NameField TypeNotes
entityId varint
properties lengthi32
properties
array
key string
value f64
modifiers lengthvarint
modifiers
array
uuid UUID
amount f64
operation i8



81
packet entity effect
play / toClient / packet_entity_effect (0x51)

Field NameField TypeNotes
entityId varint
effectId i8
amplifier i8
duration varint
hideParticles i8



56
packet select advancement tab
play / toClient / packet_select_advancement_tab (0x38)

Field NameField TypeNotes
id
optional
string



82
packet declare recipes
play / toClient / packet_declare_recipes (0x52)

Field NameField TypeNotes
recipes lengthvarint
recipes
array
recipeId string
type string
data

if type
is crafting shapeless
group string
ingredients lengthvarint
ingredients
array
__1008 lengthvarint
__1008
array
slot
result slot
is crafting shaped
width varint
height varint
group string
Length for ingredients below is width from above
ingredients
array
Length for __1015 below is height from above
__1015
array
__1016 lengthvarint
__1016
array
slot
result slot
is crafting special armordye void
is crafting special bookcloning void
is crafting special mapcloning void
is crafting special mapextending void
is crafting special firework rocket void
is crafting special firework star void
is crafting special firework star fade void
is crafting special repairitem void
is crafting special tippedarrow void
is crafting special bannerduplicate void
is crafting special banneraddpattern void
is crafting special shielddecoration void
is crafting special shulkerboxcoloring void



Type
tags
Datatype

Field NameField TypeNotes
tags lengthvarint
tags
array
tagName string
entries lengthvarint
entries
array
varint



83
packet tags
play / toClient / packet_tags (0x53)

Field NameField TypeNotes
blockTags tags
itemTags tags



Type
packet
play / toClient / packet

Field NameField TypeNotes
name
varint enum
0spawn entity
1spawn entity experience orb
2spawn entity weather
3spawn entity living
4spawn entity painting
5named entity spawn
6animation
7statistics
8block break animation
9tile entity data
10block action
11block change
12boss bar
13difficulty
14chat
15multi block change
16tab complete
17declare commands
18transaction
19close window
20open window
21window items
22craft progress bar
23set slot
24set cooldown
25custom payload
26named sound effect
27kick disconnect
28entity status
29explosion
30unload chunk
31game state change
32keep alive
33map chunk
34world event
35world particles
36login
37map
38entity
39rel entity move
40entity move look
41entity look
42vehicle move
43open sign entity
44craft recipe response
45abilities
46combat event
47player info
48position
49bed
50unlock recipes
51entity destroy
52remove entity effect
53resource pack send
54respawn
55entity head rotation
56select advancement tab
57world border
58camera
59held item slot
60scoreboard display objective
61entity metadata
62attach entity
63entity velocity
64entity equipment
65experience
66update health
67scoreboard objective
68set passengers
69teams
70scoreboard score
71spawn position
72update time
73title
74stop sound
75sound effect
76playerlist header
77collect
78entity teleport
79advancements
80entity update attributes
81entity effect
82declare recipes
83tags
params

if name
is spawn entity packet_spawn_entity
is spawn entity experience orb packet_spawn_entity_experience_orb
is spawn entity weather packet_spawn_entity_weather
is spawn entity living packet_spawn_entity_living
is spawn entity painting packet_spawn_entity_painting
is named entity spawn packet_named_entity_spawn
is animation packet_animation
is statistics packet_statistics
is advancements packet_advancements
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 tab complete packet_tab_complete
is declare commands packet_declare_commands
is chat packet_chat
is multi block change packet_multi_block_change
is transaction packet_transaction
is close window packet_close_window
is open window packet_open_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 custom payload packet_custom_payload
is named sound effect packet_named_sound_effect
is kick disconnect packet_kick_disconnect
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 keep alive packet_keep_alive
is map chunk packet_map_chunk
is world event packet_world_event
is world particles packet_world_particles
is login packet_login
is map packet_map
is rel entity move packet_rel_entity_move
is entity move look packet_entity_move_look
is entity look packet_entity_look
is entity packet_entity
is vehicle move packet_vehicle_move
is open sign entity packet_open_sign_entity
is craft recipe response packet_craft_recipe_response
is abilities packet_abilities
is combat event packet_combat_event
is player info packet_player_info
is position packet_position
is bed packet_bed
is unlock recipes packet_unlock_recipes
is entity destroy packet_entity_destroy
is remove entity effect packet_remove_entity_effect
is resource pack send packet_resource_pack_send
is respawn packet_respawn
is entity update attributes packet_entity_update_attributes
is world border packet_world_border
is camera packet_camera
is held item slot packet_held_item_slot
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 spawn position packet_spawn_position
is update time packet_update_time
is title packet_title
is stop sound packet_stop_sound
is sound effect packet_sound_effect
is playerlist header packet_playerlist_header
is collect packet_collect
is entity teleport packet_entity_teleport
is entity head rotation packet_entity_head_rotation
is entity effect packet_entity_effect
is select advancement tab packet_select_advancement_tab
is declare recipes packet_declare_recipes
is tags packet_tags



Table of Contents

KeyName
Typepacket_teleport_confirm
0x4packet_tab_complete
0x1packet_chat
0x2packet_client_command
0x3packet_settings
0x5packet_transaction
0x6packet_enchant_item
0x7packet_window_click
0x8packet_close_window
0x9packet_custom_payload
0xapacket_use_entity
0xbpacket_keep_alive
0xdpacket_position
0xepacket_position_look
0xfpacket_look
0xcpacket_flying
0x10packet_vehicle_move
0x11packet_steer_boat
0x12packet_craft_recipe_request
0x13packet_abilities
0x14packet_block_dig
0x15packet_entity_action
0x16packet_steer_vehicle
0x17packet_crafting_book_data
0x18packet_resource_pack_receive
0x1apacket_held_item_slot
0x1bpacket_set_creative_slot
0x1cpacket_update_sign
0x1dpacket_arm_animation
0x1epacket_spectate
0x1fpacket_block_place
0x20packet_use_item
0x19packet_advancement_tab
Typepacket


0
packet teleport confirm
play / toServer / packet_teleport_confirm (0x00)

Field NameField TypeNotes
teleportId varint



4
packet tab complete
play / toServer / packet_tab_complete (0x04)

Field NameField TypeNotes
transactionId varint
text string



1
packet chat
play / toServer / packet_chat (0x01)

Field NameField TypeNotes
message string



2
packet client command
play / toServer / packet_client_command (0x02)

Field NameField TypeNotes
actionId varint



3
packet settings
play / toServer / packet_settings (0x03)

Field NameField TypeNotes
locale string
viewDistance i8
chatFlags varint
chatColors bool
skinParts u8
mainHand varint



5
packet transaction
play / toServer / packet_transaction (0x05)

Field NameField TypeNotes
windowId i8
action i16
accepted bool



6
packet enchant item
play / toServer / packet_enchant_item (0x06)

Field NameField TypeNotes
windowId i8
enchantment i8



7
packet window click
play / toServer / packet_window_click (0x07)

Field NameField TypeNotes
windowId u8
slot i16
mouseButton i8
action i16
mode i8
item slot



8
packet close window
play / toServer / packet_close_window (0x08)

Field NameField TypeNotes
windowId u8



9
packet custom payload
play / toServer / packet_custom_payload (0x09)

Field NameField TypeNotes
channel string
data restBuffer



10
packet use entity
play / toServer / packet_use_entity (0x0a)

Field NameField TypeNotes
target varint
mouse varint
x

if mouse
is 2 f32
default void
y

if mouse
is 2 f32
default void
z

if mouse
is 2 f32
default void
hand

if mouse
is 0 varint
is 2 varint
default void



11
packet keep alive
play / toServer / packet_keep_alive (0x0b)

Field NameField TypeNotes
keepAliveId i64



13
packet position
play / toServer / packet_position (0x0d)

Field NameField TypeNotes
x f64
y f64
z f64
onGround bool



14
packet position look
play / toServer / packet_position_look (0x0e)

Field NameField TypeNotes
x f64
y f64
z f64
yaw f32
pitch f32
onGround bool



15
packet look
play / toServer / packet_look (0x0f)

Field NameField TypeNotes
yaw f32
pitch f32
onGround bool



12
packet flying
play / toServer / packet_flying (0x0c)

Field NameField TypeNotes
onGround bool



16
packet vehicle move
play / toServer / packet_vehicle_move (0x10)

Field NameField TypeNotes
x f64
y f64
z f64
yaw f32
pitch f32



17
packet steer boat
play / toServer / packet_steer_boat (0x11)

Field NameField TypeNotes
leftPaddle bool
rightPaddle bool



18
packet craft recipe request
play / toServer / packet_craft_recipe_request (0x12)

Field NameField TypeNotes
windowId i8
recipe string
makeAll bool



19
packet abilities
play / toServer / packet_abilities (0x13)

Field NameField TypeNotes
flags i8
flyingSpeed f32
walkingSpeed f32



20
packet block dig
play / toServer / packet_block_dig (0x14)

Field NameField TypeNotes
status varint
location position
face i8



21
packet entity action
play / toServer / packet_entity_action (0x15)

Field NameField TypeNotes
entityId varint
actionId varint
jumpBoost varint



22
packet steer vehicle
play / toServer / packet_steer_vehicle (0x16)

Field NameField TypeNotes
sideways f32
forward f32
jump u8



23
packet crafting book data
play / toServer / packet_crafting_book_data (0x17)

Field NameField TypeNotes
type varint
🔁

if type
is 0
displayedRecipe i32
is 1
craftingBookOpen bool
craftingFilter bool



24
packet resource pack receive
play / toServer / packet_resource_pack_receive (0x18)

Field NameField TypeNotes
result varint



26
packet held item slot
play / toServer / packet_held_item_slot (0x1a)

Field NameField TypeNotes
slotId i16



27
packet set creative slot
play / toServer / packet_set_creative_slot (0x1b)

Field NameField TypeNotes
slot i16
item slot



28
packet update sign
play / toServer / packet_update_sign (0x1c)

Field NameField TypeNotes
location position
text1 string
text2 string
text3 string
text4 string



29
packet arm animation
play / toServer / packet_arm_animation (0x1d)

Field NameField TypeNotes
hand varint



30
packet spectate
play / toServer / packet_spectate (0x1e)

Field NameField TypeNotes
target UUID



31
packet block place
play / toServer / packet_block_place (0x1f)

Field NameField TypeNotes
location position
direction varint
hand varint
cursorX f32
cursorY f32
cursorZ f32



32
packet use item
play / toServer / packet_use_item (0x20)

Field NameField TypeNotes
hand varint



25
packet advancement tab
play / toServer / packet_advancement_tab (0x19)

Field NameField TypeNotes
action varint
tabId

if action
is 0 string
is 1 void



Type
packet
play / toServer / packet

Field NameField TypeNotes
name
varint enum
0teleport confirm
1chat
2client command
3settings
4tab complete
5transaction
6enchant item
7window click
8close window
9custom payload
10use entity
11keep alive
12flying
13position
14position look
15look
16vehicle move
17steer boat
18craft recipe request
19abilities
20block dig
21entity action
22steer vehicle
23crafting book data
24resource pack receive
25advancement tab
26held item slot
27set creative slot
28update sign
29arm animation
30spectate
31block place
32use item
params

if name
is teleport confirm packet_teleport_confirm
is tab complete packet_tab_complete
is chat packet_chat
is client command packet_client_command
is settings packet_settings
is transaction packet_transaction
is enchant item packet_enchant_item
is window click packet_window_click
is close window packet_close_window
is custom payload packet_custom_payload
is use entity packet_use_entity
is keep alive packet_keep_alive
is position packet_position
is position look packet_position_look
is look packet_look
is flying packet_flying
is vehicle move packet_vehicle_move
is steer boat packet_steer_boat
is craft recipe request packet_craft_recipe_request
is abilities packet_abilities
is block dig packet_block_dig
is entity action packet_entity_action
is steer vehicle packet_steer_vehicle
is crafting book data packet_crafting_book_data
is resource pack receive packet_resource_pack_receive
is held item slot packet_held_item_slot
is set creative slot packet_set_creative_slot
is update sign packet_update_sign
is arm animation packet_arm_animation
is spectate packet_spectate
is block place packet_block_place
is use item packet_use_item
is advancement tab packet_advancement_tab