Table of Contents

KeyName
Typeslot
TypeentityMetadataItem


Type
slot
Datatype

Field NameField TypeNotes
blockId i16
🔁

if blockId
is -1 void
default
itemCount i8
itemDamage i16
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
0x8packet_advancements
0x9packet_block_break_animation
0xapacket_tile_entity_data
0xbpacket_block_action
0xcpacket_block_change
0xdpacket_boss_bar
0xepacket_difficulty
0xfpacket_tab_complete
0x10packet_chat
0x11packet_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
0x26packet_rel_entity_move
0x27packet_entity_move_look
0x28packet_entity_look
0x29packet_entity
0x2apacket_vehicle_move
0x2bpacket_open_sign_entity
0x2cpacket_abilities
0x2dpacket_combat_event
0x2epacket_player_info
0x2fpacket_position
0x30packet_bed
0x31packet_unlock_recipes
0x32packet_entity_destroy
0x33packet_remove_entity_effect
0x34packet_resource_pack_send
0x35packet_respawn
0x36packet_entity_head_rotation
0x37packet_world_border
0x38packet_camera
0x39packet_held_item_slot
0x3apacket_scoreboard_display_objective
0x3bpacket_entity_metadata
0x3cpacket_attach_entity
0x3dpacket_entity_velocity
0x3epacket_entity_equipment
0x3fpacket_experience
0x40packet_update_health
0x41packet_scoreboard_objective
0x42packet_set_passengers
0x43packet_teams
0x44packet_scoreboard_score
0x45packet_spawn_position
0x46packet_update_time
0x47packet_title
0x48packet_sound_effect
0x49packet_playerlist_header
0x4apacket_collect
0x4bpacket_entity_teleport
0x4cpacket_entity_update_attributes
0x4dpacket_entity_effect
0x4epacket_advancement_progress
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
name string
value varint



8
packet advancements
play / toClient / packet_advancements (0x08)

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
flags i32
backgroundTexture
optional
string
xCord f32
yCord f32
criteria lengthvarint
criteria
array
key string
value void
requirements lengthvarint
requirements
array
__308 lengthvarint
__308
array
string
identifiers lengthvarint
identifiers
array
string
progressMapping lengthvarint
progressMapping
array
key string
value lengthvarint
value
array
criterionIdentifier string
criterionProgress
optional
i64



9
packet block break animation
play / toClient / packet_block_break_animation (0x09)

Field NameField TypeNotes
entityId varint
location position
destroyStage i8



10
packet tile entity data
play / toClient / packet_tile_entity_data (0x0a)

Field NameField TypeNotes
location position
action u8
nbtData optionalNbt



11
packet block action
play / toClient / packet_block_action (0x0b)

Field NameField TypeNotes
location position
byte1 u8
byte2 u8
blockId varint



12
packet block change
play / toClient / packet_block_change (0x0c)

Field NameField TypeNotes
location position
type varint



13
packet boss bar
play / toClient / packet_boss_bar (0x0d)

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



14
packet difficulty
play / toClient / packet_difficulty (0x0e)

Field NameField TypeNotes
difficulty u8



15
packet tab complete
play / toClient / packet_tab_complete (0x0f)

Field NameField TypeNotes
matches lengthvarint
matches
array
string



16
packet chat
play / toClient / packet_chat (0x10)

Field NameField TypeNotes
message string
position i8



17
packet multi block change
play / toClient / packet_multi_block_change (0x11)

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 varint



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
Length for is 36 below is 2 from above
is 36
array
varint
Length for is 37 below is 1 from above
is 37
array
varint
Length for is 38 below is 1 from above
is 38
array
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



38
packet rel entity move
play / toClient / packet_rel_entity_move (0x26)

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



39
packet entity move look
play / toClient / packet_entity_move_look (0x27)

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



40
packet entity look
play / toClient / packet_entity_look (0x28)

Field NameField TypeNotes
entityId varint
yaw i8
pitch i8
onGround bool



41
packet entity
play / toClient / packet_entity (0x29)

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 abilities
play / toClient / packet_abilities (0x2c)

Field NameField TypeNotes
flags i8
flyingSpeed f32
walkingSpeed f32



45
packet combat event
play / toClient / packet_combat_event (0x2d)

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



46
packet player info
play / toClient / packet_player_info (0x2e)

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



47
packet position
play / toClient / packet_position (0x2f)

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



48
packet bed
play / toClient / packet_bed (0x30)

Field NameField TypeNotes
entityId varint
location position



49
packet unlock recipes
play / toClient / packet_unlock_recipes (0x31)

Field NameField TypeNotes
action i16
craftingBookOpen bool
filteringCraftable bool
recipes1 lengthvarint
recipes1
array
i32
recipes2 lengthvarint
recipes2
array
i32



50
packet entity destroy
play / toClient / packet_entity_destroy (0x32)

Field NameField TypeNotes
entityIds lengthvarint
entityIds
array
varint



51
packet remove entity effect
play / toClient / packet_remove_entity_effect (0x33)

Field NameField TypeNotes
entityId varint
effectId i8



52
packet resource pack send
play / toClient / packet_resource_pack_send (0x34)

Field NameField TypeNotes
url string
hash string



53
packet respawn
play / toClient / packet_respawn (0x35)

Field NameField TypeNotes
dimension i32
difficulty u8
gamemode u8
levelType string



54
packet entity head rotation
play / toClient / packet_entity_head_rotation (0x36)

Field NameField TypeNotes
entityId varint
headYaw i8



55
packet world border
play / toClient / packet_world_border (0x37)

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



56
packet camera
play / toClient / packet_camera (0x38)

Field NameField TypeNotes
cameraId varint



57
packet held item slot
play / toClient / packet_held_item_slot (0x39)

Field NameField TypeNotes
slot i8



58
packet scoreboard display objective
play / toClient / packet_scoreboard_display_objective (0x3a)

Field NameField TypeNotes
position i8
name string



59
packet entity metadata
play / toClient / packet_entity_metadata (0x3b)

Field NameField TypeNotes
entityId varint
metadata entityMetadata



60
packet attach entity
play / toClient / packet_attach_entity (0x3c)

Field NameField TypeNotes
entityId i32
vehicleId i32



61
packet entity velocity
play / toClient / packet_entity_velocity (0x3d)

Field NameField TypeNotes
entityId varint
velocityX i16
velocityY i16
velocityZ i16



62
packet entity equipment
play / toClient / packet_entity_equipment (0x3e)

Field NameField TypeNotes
entityId varint
slot varint
item slot



63
packet experience
play / toClient / packet_experience (0x3f)

Field NameField TypeNotes
experienceBar f32
level varint
totalExperience varint



64
packet update health
play / toClient / packet_update_health (0x40)

Field NameField TypeNotes
health f32
food varint
foodSaturation f32



65
packet scoreboard objective
play / toClient / packet_scoreboard_objective (0x41)

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



66
packet set passengers
play / toClient / packet_set_passengers (0x42)

Field NameField TypeNotes
entityId varint
passengers lengthvarint
passengers
array
varint



67
packet teams
play / toClient / packet_teams (0x43)

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



68
packet scoreboard score
play / toClient / packet_scoreboard_score (0x44)

Field NameField TypeNotes
itemName string
action varint
scoreName string
value

if action
is 1 void
default varint



69
packet spawn position
play / toClient / packet_spawn_position (0x45)

Field NameField TypeNotes
location position



70
packet update time
play / toClient / packet_update_time (0x46)

Field NameField TypeNotes
age i64
time i64



71
packet title
play / toClient / packet_title (0x47)

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



72
packet sound effect
play / toClient / packet_sound_effect (0x48)

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



73
packet playerlist header
play / toClient / packet_playerlist_header (0x49)

Field NameField TypeNotes
header string
footer string



74
packet collect
play / toClient / packet_collect (0x4a)

Field NameField TypeNotes
collectedEntityId varint
collectorEntityId varint
pickupItemCount varint



75
packet entity teleport
play / toClient / packet_entity_teleport (0x4b)

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



76
packet entity update attributes
play / toClient / packet_entity_update_attributes (0x4c)

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



77
packet entity effect
play / toClient / packet_entity_effect (0x4d)

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



78
packet advancement progress
play / toClient / packet_advancement_progress (0x4e)

Field NameField TypeNotes
id
optional
string



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
8advancements
9block break animation
10tile entity data
11block action
12block change
13boss bar
14difficulty
15tab complete
16chat
17multi block change
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
38rel entity move
39entity move look
40entity look
41entity
42vehicle move
43open sign entity
44abilities
45combat event
46player info
47position
48bed
49unlock recipes
50entity destroy
51remove entity effect
52resource pack send
53respawn
54entity head rotation
55world border
56camera
57held item slot
58scoreboard display objective
59entity metadata
60attach entity
61entity velocity
62entity equipment
63experience
64update health
65scoreboard objective
66set passengers
67teams
68scoreboard score
69spawn position
70update time
71title
72sound effect
73playerlist header
74collect
75entity teleport
76entity update attributes
77entity effect
78advancement progress
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 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 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 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 advancement progress packet_advancement_progress



Table of Contents

KeyName
Typepacket_teleport_confirm
0x1packet_prepare_crafting_grid
0x2packet_tab_complete
0x3packet_chat
0x4packet_client_command
0x5packet_settings
0x6packet_transaction
0x7packet_enchant_item
0x8packet_window_click
0x9packet_close_window
0xapacket_custom_payload
0xbpacket_use_entity
0xcpacket_keep_alive
0xdpacket_position
0xepacket_position_look
0xfpacket_look
0x10packet_flying
0x11packet_vehicle_move
0x12packet_steer_boat
0x13packet_abilities
0x14packet_block_dig
0x15packet_entity_action
0x16packet_steer_vehicle
0x17packet_crafting_book_data
0x18packet_resource_pack_receive
0x19packet_held_item_slot
0x1apacket_set_creative_slot
0x1bpacket_update_sign
0x1cpacket_arm_animation
0x1dpacket_spectate
0x1epacket_block_place
0x1fpacket_use_item
0x20packet_advancement_tab
Typepacket


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

Field NameField TypeNotes
teleportId varint



1
packet prepare crafting grid
play / toServer / packet_prepare_crafting_grid (0x01)

Field NameField TypeNotes
windowId u8
actionNumber u16
returnEntry lengthu16
returnEntry
array
item slot
craftingSlot u8
playerSlot u8
prepareEntry lengthu16
prepareEntry
array
item slot
craftingSlot u8
playerSlot u8



2
packet tab complete
play / toServer / packet_tab_complete (0x02)

Field NameField TypeNotes
text string
assumeCommand bool
lookedAtBlock
optional
position



3
packet chat
play / toServer / packet_chat (0x03)

Field NameField TypeNotes
message string



4
packet client command
play / toServer / packet_client_command (0x04)

Field NameField TypeNotes
actionId varint



5
packet settings
play / toServer / packet_settings (0x05)

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



6
packet transaction
play / toServer / packet_transaction (0x06)

Field NameField TypeNotes
windowId i8
action i16
accepted bool



7
packet enchant item
play / toServer / packet_enchant_item (0x07)

Field NameField TypeNotes
windowId i8
enchantment i8



8
packet window click
play / toServer / packet_window_click (0x08)

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



9
packet close window
play / toServer / packet_close_window (0x09)

Field NameField TypeNotes
windowId u8



10
packet custom payload
play / toServer / packet_custom_payload (0x0a)

Field NameField TypeNotes
channel string
data restBuffer



11
packet use entity
play / toServer / packet_use_entity (0x0b)

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



12
packet keep alive
play / toServer / packet_keep_alive (0x0c)

Field NameField TypeNotes
keepAliveId varint



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



16
packet flying
play / toServer / packet_flying (0x10)

Field NameField TypeNotes
onGround bool



17
packet vehicle move
play / toServer / packet_vehicle_move (0x11)

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



18
packet steer boat
play / toServer / packet_steer_boat (0x12)

Field NameField TypeNotes
leftPaddle bool
rightPaddle 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 i32
🔁

if type
is 1
displayedRecipe string
is 2
craftingBookOpen bool
craftingFilter bool



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

Field NameField TypeNotes
result varint



25
packet held item slot
play / toServer / packet_held_item_slot (0x19)

Field NameField TypeNotes
slotId i16



26
packet set creative slot
play / toServer / packet_set_creative_slot (0x1a)

Field NameField TypeNotes
slot i16
item slot



27
packet update sign
play / toServer / packet_update_sign (0x1b)

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



28
packet arm animation
play / toServer / packet_arm_animation (0x1c)

Field NameField TypeNotes
hand varint



29
packet spectate
play / toServer / packet_spectate (0x1d)

Field NameField TypeNotes
target UUID



30
packet block place
play / toServer / packet_block_place (0x1e)

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



31
packet use item
play / toServer / packet_use_item (0x1f)

Field NameField TypeNotes
hand varint



32
packet advancement tab
play / toServer / packet_advancement_tab (0x20)

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

if name
is teleport confirm packet_teleport_confirm
is prepare crafting grid packet_prepare_crafting_grid
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 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