Table of Contents

Key	Name
Type	slot
Type	position_iii
Type	position_isi
Type	position_ibi
Type	entityMetadataItem

---

Field Name	Field Type	Notes
blockId	i16
🔁 if blockId	is -1 void default itemCount i8 itemDamage i16 nbtData compressedNbt

---

Field Name	Field Type	Notes
x	i32
y	i32
z	i32

---

Field Name	Field Type	Notes
x	i32
y	i16
z	i32

---

Field Name	Field Type	Notes
x	i32
y	u8
z	i32

---

Field Name	Field Type	Notes
entityMetadataItem if compareTo	is 0 i8 is 1 i16 is 2 i32 is 3 f32 is 4 string is 5 slot is 6 x i32 y i32 z i32 is 7 pitch f32 yaw f32 roll f32

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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

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Table of Contents

Key	Name
Type	packet_server_info
0x1	packet_ping
Type	packet

---

Field Name	Field Type	Notes
response	string

---

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

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Table of Contents

Key	Name
Type	packet_ping_start
0x1	packet_ping
Type	packet

---

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

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Table of Contents

Key	Name
Type	packet_disconnect
0x1	packet_encryption_begin
0x2	packet_success
Type	packet

---

Field Name	Field Type	Notes
reason	string

---

Field Name	Field Type	Notes
serverId	string

---

Field Name	Field Type	Notes
uuid	string
username	string

---

Field Name	Field Type	Notes
name	varint enum 0 disconnect 1 encryption begin 2 success
params if name	is disconnect packet_disconnect is encryption begin packet_encryption_begin is success packet_success

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Table of Contents

Key	Name
Type	packet_login_start
0x1	packet_encryption_begin
Type	packet

---

Field Name	Field Type	Notes
username	string

---

Field Name	Field Type	Notes

---

Field Name	Field Type	Notes
name	varint enum 0 login start 1 encryption begin
params if name	is login start packet_login_start is encryption begin packet_encryption_begin

---

Table of Contents

Key	Name
Type	packet_keep_alive
0x1	packet_login
0x2	packet_chat
0x3	packet_update_time
0x4	packet_entity_equipment
0x5	packet_spawn_position
0x6	packet_update_health
0x7	packet_respawn
0x8	packet_position
0x9	packet_held_item_slot
0xa	packet_bed
0xb	packet_animation
0xc	packet_named_entity_spawn
0xd	packet_collect
0xe	packet_spawn_entity
0xf	packet_spawn_entity_living
0x10	packet_spawn_entity_painting
0x11	packet_spawn_entity_experience_orb
0x12	packet_entity_velocity
0x13	packet_entity_destroy
0x14	packet_entity
0x15	packet_rel_entity_move
0x16	packet_entity_look
0x17	packet_entity_move_look
0x18	packet_entity_teleport
0x19	packet_entity_head_rotation
0x1a	packet_entity_status
0x1b	packet_attach_entity
0x1c	packet_entity_metadata
0x1d	packet_entity_effect
0x1e	packet_remove_entity_effect
0x1f	packet_experience
0x20	packet_update_attributes
0x21	packet_map_chunk
0x22	packet_multi_block_change
0x23	packet_block_change
0x24	packet_block_action
0x25	packet_block_break_animation
0x26	packet_map_chunk_bulk
0x27	packet_explosion
0x28	packet_world_event
0x29	packet_named_sound_effect
0x2a	packet_world_particles
0x2b	packet_game_state_change
0x2c	packet_spawn_entity_weather
0x2d	packet_open_window
0x2e	packet_close_window
0x2f	packet_set_slot
0x30	packet_window_items
0x31	packet_craft_progress_bar
0x32	packet_transaction
0x33	packet_update_sign
0x34	packet_map
0x35	packet_tile_entity_data
0x36	packet_open_sign_entity
0x37	packet_statistics
0x38	packet_player_info
0x39	packet_abilities
0x3a	packet_tab_complete
0x3b	packet_scoreboard_objective
0x3c	packet_scoreboard_score
0x3d	packet_scoreboard_display_objective
0x3e	packet_scoreboard_team
0x3f	packet_custom_payload
0x40	packet_kick_disconnect
Type	packet

---

Field Name	Field Type	Notes
keepAliveId	i32

---

Field Name	Field Type	Notes
entityId	i32
gameMode	u8
dimension	i8
difficulty	u8
maxPlayers	u8
levelType	string

---

Field Name	Field Type	Notes
message	string

---

Field Name	Field Type	Notes
age	i64
time	i64

---

Field Name	Field Type	Notes
entityId	i32
slot	i16
item	slot

---

Field Name	Field Type	Notes
location	position_iii

---

Field Name	Field Type	Notes
health	f32
food	i16
foodSaturation	f32

---

Field Name	Field Type	Notes
dimension	i32
difficulty	u8
gamemode	u8
levelType	string

---

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

---

Field Name	Field Type	Notes
slot	i8

---

Field Name	Field Type	Notes
entityId	i32
location	position_ibi

---

Field Name	Field Type	Notes
entityId	varint
animation	u8

---

Field Name	Field Type	Notes
entityId	varint
playerUUID	string
playerName	string
data length	varint
data array	name string value string signature string
x	i32
y	i32
z	i32
yaw	i8
pitch	i8
currentItem	i16
metadata	entityMetadata

---

Field Name	Field Type	Notes
collectedEntityId	i32
collectorEntityId	i32

---

Field Name	Field Type	Notes
entityId	varint
type	i8
x	i32
y	i32
z	i32
pitch	i8
yaw	i8
objectData	intField i32 velocityX if intField is 0 void default i16 velocityY if intField is 0 void default i16 velocityZ if intField is 0 void default i16

---

Field Name	Field Type	Notes
entityId	varint
type	u8
x	i32
y	i32
z	i32
yaw	i8
pitch	i8
headPitch	i8
velocityX	i16
velocityY	i16
velocityZ	i16
metadata	entityMetadata

---

Field Name	Field Type	Notes
entityId	varint
title	string
location	position_iii
direction	i32

---

Field Name	Field Type	Notes
entityId	varint
x	i32
y	i32
z	i32
count	i16

---

Field Name	Field Type	Notes
entityId	i32
velocityX	i16
velocityY	i16
velocityZ	i16

---

Field Name	Field Type	Notes
entityIds length	i8
entityIds array	i32

---

Field Name	Field Type	Notes
entityId	i32

---

Field Name	Field Type	Notes
entityId	i32
dX	i8
dY	i8
dZ	i8

---

Field Name	Field Type	Notes
entityId	i32
yaw	i8
pitch	i8

---

Field Name	Field Type	Notes
entityId	i32
dX	i8
dY	i8
dZ	i8
yaw	i8
pitch	i8

---

Field Name	Field Type	Notes
entityId	i32
x	i32
y	i32
z	i32
yaw	i8
pitch	i8

---

Field Name	Field Type	Notes
entityId	i32
headYaw	i8

---

Field Name	Field Type	Notes
entityId	i32
entityStatus	i8

---

Field Name	Field Type	Notes
entityId	i32
vehicleId	i32
leash	bool

---

Field Name	Field Type	Notes
entityId	i32
metadata	entityMetadata

---

Field Name	Field Type	Notes
entityId	i32
effectId	i8
amplifier	i8
duration	i16

---

Field Name	Field Type	Notes
entityId	i32
effectId	i8

---

Field Name	Field Type	Notes
experienceBar	f32
level	i16
totalExperience	i16

---

Field Name	Field Type	Notes
entityId	i32
properties length	i32
properties array	key string value f64 modifiers length i16 modifiers array uuid UUID amount f64 operation i8

---

Field Name	Field Type	Notes
x	i32
z	i32
groundUp	bool
bitMap	u16
addBitMap	u16

---

Field Name	Field Type	Notes
chunkX	i32
chunkZ	i32
dataLength	i32
Length for records below is recordCount from above
records array	y u8

---

Field Name	Field Type	Notes
location	position_ibi
type	varint
metadata	u8

---

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

---

Field Name	Field Type	Notes
entityId	varint
location	position_iii
destroyStage	i8

---

Field Name	Field Type	Notes
skyLightSent	bool
Length for meta below is chunkColumnCount from above
meta array	x i32 z i32 bitMap u16 addBitMap u16

---

Field Name	Field Type	Notes
x	f32
y	f32
z	f32
radius	f32
affectedBlockOffsets length	i32
affectedBlockOffsets array	x i8 y i8 z i8
playerMotionX	f32
playerMotionY	f32
playerMotionZ	f32

---

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

---

Field Name	Field Type	Notes
soundName	string
x	i32
y	i32
z	i32
volume	f32
pitch	u8

---

Field Name	Field Type	Notes
particleName	string
x	f32
y	f32
z	f32
offsetX	f32
offsetY	f32
offsetZ	f32
particleData	f32
particles	i32

---

Field Name	Field Type	Notes
reason	u8
gameMode	f32

---

Field Name	Field Type	Notes
entityId	varint
type	i8
x	i32
y	i32
z	i32

---

Field Name	Field Type	Notes
windowId	u8
inventoryType	u8
windowTitle	string
slotCount	u8
useProvidedTitle	bool
entityId if inventoryType	is 11 i32 default void

---

Field Name	Field Type	Notes
windowId	u8

---

Field Name	Field Type	Notes
windowId	i8
slot	i16
item	slot

---

Field Name	Field Type	Notes
windowId	u8
items length	i16
items array	slot

---

Field Name	Field Type	Notes
windowId	u8
property	i16
value	i16

---

Field Name	Field Type	Notes
windowId	u8
action	i16
accepted	bool

---

Field Name	Field Type	Notes
location	position_isi
text1	string
text2	string
text3	string
text4	string

---

Field Name	Field Type	Notes
itemDamage	varint

---

Field Name	Field Type	Notes
location	position_isi
action	u8
nbtData	compressedNbt

---

Field Name	Field Type	Notes
location	position_iii

---

Field Name	Field Type	Notes
entries length	varint
entries array	name string value varint

---

Field Name	Field Type	Notes
playerName	string
online	bool
ping	i16

---

Field Name	Field Type	Notes
flags	i8
flyingSpeed	f32
walkingSpeed	f32

---

Field Name	Field Type	Notes
matches length	varint
matches array	string

---

Field Name	Field Type	Notes
name	string
displayText	string
action	i8

---

Field Name	Field Type	Notes
itemName	string
action	i8
scoreName if action	is 1 void default string
value if action	is 1 void default i32

---

Field Name	Field Type	Notes
position	i8
name	string

---

Field Name	Field Type	Notes
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
players if mode	is 0 length i16 is 0 array string is 3 length i16 is 3 array string is 4 length i16 is 4 array string default void

---

Field Name	Field Type	Notes
channel	string

---

Field Name	Field Type	Notes
reason	string

---

Field Name	Field Type	Notes
name	varint enum 0 keep alive 1 login 2 chat 3 update time 4 entity equipment 5 spawn position 6 update health 7 respawn 8 position 9 held item slot 10 bed 11 animation 12 named entity spawn 13 collect 14 spawn entity 15 spawn entity living 16 spawn entity painting 17 spawn entity experience orb 18 entity velocity 19 entity destroy 20 entity 21 rel entity move 22 entity look 23 entity move look 24 entity teleport 25 entity head rotation 26 entity status 27 attach entity 28 entity metadata 29 entity effect 30 remove entity effect 31 experience 32 update attributes 33 map chunk 34 multi block change 35 block change 36 block action 37 block break animation 38 map chunk bulk 39 explosion 40 world event 41 named sound effect 42 world particles 43 game state change 44 spawn entity weather 45 open window 46 close window 47 set slot 48 window items 49 craft progress bar 50 transaction 51 update sign 52 map 53 tile entity data 54 open sign entity 55 statistics 56 player info 57 abilities 58 tab complete 59 scoreboard objective 60 scoreboard score 61 scoreboard display objective 62 scoreboard team 63 custom payload 64 kick disconnect
params if name	is keep alive packet_keep_alive is login packet_login is chat packet_chat is update time packet_update_time is entity equipment packet_entity_equipment is spawn position packet_spawn_position is update health packet_update_health is respawn packet_respawn is position packet_position is held item slot packet_held_item_slot is bed packet_bed is animation packet_animation is named entity spawn packet_named_entity_spawn is collect packet_collect is spawn entity packet_spawn_entity is spawn entity living packet_spawn_entity_living is spawn entity painting packet_spawn_entity_painting is spawn entity experience orb packet_spawn_entity_experience_orb is entity velocity packet_entity_velocity is entity destroy packet_entity_destroy is entity packet_entity is rel entity move packet_rel_entity_move is entity look packet_entity_look is entity move look packet_entity_move_look is entity teleport packet_entity_teleport is entity head rotation packet_entity_head_rotation is entity status packet_entity_status is attach entity packet_attach_entity is entity metadata packet_entity_metadata is entity effect packet_entity_effect is remove entity effect packet_remove_entity_effect is experience packet_experience is update attributes packet_update_attributes is map chunk packet_map_chunk is multi block change packet_multi_block_change is block change packet_block_change is block action packet_block_action is block break animation packet_block_break_animation is map chunk bulk packet_map_chunk_bulk is explosion packet_explosion is world event packet_world_event is named sound effect packet_named_sound_effect is world particles packet_world_particles is game state change packet_game_state_change is spawn entity weather packet_spawn_entity_weather is open window packet_open_window is close window packet_close_window is set slot packet_set_slot is window items packet_window_items is craft progress bar packet_craft_progress_bar is transaction packet_transaction is update sign packet_update_sign is map packet_map is tile entity data packet_tile_entity_data is open sign entity packet_open_sign_entity is statistics packet_statistics is player info packet_player_info is abilities packet_abilities is tab complete packet_tab_complete is scoreboard objective packet_scoreboard_objective is scoreboard score packet_scoreboard_score is scoreboard display objective packet_scoreboard_display_objective is scoreboard team packet_scoreboard_team is custom payload packet_custom_payload is kick disconnect packet_kick_disconnect

---

Table of Contents

Key	Name
Type	packet_keep_alive
0x1	packet_chat
0x2	packet_use_entity
0x3	packet_flying
0x4	packet_position
0x5	packet_look
0x6	packet_position_look
0x7	packet_block_dig
0x8	packet_block_place
0x9	packet_held_item_slot
0xa	packet_arm_animation
0xb	packet_entity_action
0xc	packet_steer_vehicle
0xd	packet_close_window
0xe	packet_window_click
0xf	packet_transaction
0x10	packet_set_creative_slot
0x11	packet_enchant_item
0x12	packet_update_sign
0x13	packet_abilities
0x14	packet_tab_complete
0x15	packet_settings
0x16	packet_client_command
0x17	packet_custom_payload
Type	packet

---

Field Name	Field Type	Notes
keepAliveId	i32

---

Field Name	Field Type	Notes
message	string

---

Field Name	Field Type	Notes
target	i32
mouse	i8
x if mouse	is 2 f32 default void
y if mouse	is 2 f32 default void
z if mouse	is 2 f32 default void

---

Field Name	Field Type	Notes
onGround	bool

---

Field Name	Field Type	Notes
x	f64
stance	f64
y	f64
z	f64
onGround	bool

---

Field Name	Field Type	Notes
yaw	f32
pitch	f32
onGround	bool

---

Field Name	Field Type	Notes
x	f64
stance	f64
y	f64
z	f64
yaw	f32
pitch	f32
onGround	bool

---

Field Name	Field Type	Notes
status	i8
location	position_ibi
face	i8

---

Field Name	Field Type	Notes
location	position_ibi
direction	i8
heldItem	slot
cursorX	i8
cursorY	i8
cursorZ	i8

---

Field Name	Field Type	Notes
slotId	i16

---

Field Name	Field Type	Notes
entityId	i32
animation	i8

---

Field Name	Field Type	Notes
entityId	i32
actionId	i8
jumpBoost	i32

---

Field Name	Field Type	Notes
sideways	f32
forward	f32
jump	bool
unmount	bool

---

Field Name	Field Type	Notes
windowId	u8

---

Field Name	Field Type	Notes
windowId	i8
slot	i16
mouseButton	i8
action	i16
mode	i8
item	slot

---

Field Name	Field Type	Notes
windowId	i8
action	i16
accepted	bool

---

Field Name	Field Type	Notes
slot	i16
item	slot

---

Field Name	Field Type	Notes
windowId	i8
enchantment	i8

---

Field Name	Field Type	Notes
location	position_isi
text1	string
text2	string
text3	string
text4	string

---

Field Name	Field Type	Notes
flags	i8
flyingSpeed	f32
walkingSpeed	f32

---

Field Name	Field Type	Notes
text	string

---

Field Name	Field Type	Notes
locale	string
viewDistance	i8
chatFlags	i8
chatColors	bool
difficulty	u8
showCape	bool

---

Field Name	Field Type	Notes
payload	i8

---

Field Name	Field Type	Notes
channel	string

---

Field Name	Field Type	Notes
name	varint enum 0 keep alive 1 chat 2 use entity 3 flying 4 position 5 look 6 position look 7 block dig 8 block place 9 held item slot 10 arm animation 11 entity action 12 steer vehicle 13 close window 14 window click 15 transaction 16 set creative slot 17 enchant item 18 update sign 19 abilities 20 tab complete 21 settings 22 client command 23 custom payload
params if name	is keep alive packet_keep_alive is chat packet_chat is use entity packet_use_entity is flying packet_flying is position packet_position is look packet_look is position look packet_position_look is block dig packet_block_dig is block place packet_block_place is held item slot packet_held_item_slot is arm animation packet_arm_animation is entity action packet_entity_action is steer vehicle packet_steer_vehicle is close window packet_close_window is window click packet_window_click is transaction packet_transaction is set creative slot packet_set_creative_slot is enchant item packet_enchant_item is update sign packet_update_sign is abilities packet_abilities is tab complete packet_tab_complete is settings packet_settings is client command packet_client_command is custom payload packet_custom_payload

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