Difference between revisions of "Pre-release protocol"

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(Updated to 1.21-pre2)
 
(12 intermediate revisions by 3 users not shown)
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−
This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently [[Protocol version numbers|1.20.4, protocol 765]]) to the current pre-release (currently [[Protocol version numbers|24w03b, protocol {{Snapshot PVN|1073741996}}]]). Note that this page contains bleeding-edge information that may not be completely or correctly documented.
+
This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently [[Protocol version numbers|1.20.6, protocol 766]]) to the current pre-release (currently [[Protocol version numbers|1.21-pre2, protocol {{Snapshot PVN|1073742024}}]]). Note that this page contains bleeding-edge information that may not be completely or correctly documented.
  
 
One who wishes to commandeer the merging of this into [[Protocol]] when an update is made must be sure to respect any changes that may have occurred to the respective packets there.
 
One who wishes to commandeer the merging of this into [[Protocol]] when an update is made must be sure to respect any changes that may have occurred to the respective packets there.
Line 9: Line 9:
 
=== Data types ===
 
=== Data types ===
  
−
No changes so far.
+
No changes documented so far.
  
 
=== Packets ===
 
=== Packets ===
Line 17: Line 17:
 
  ! Packet name
 
  ! Packet name
 
  !colspan="2"| Documentation
 
  !colspan="2"| Documentation
−
|-
 
−
!colspan="4"| Handshake serverbound
 
−
{{PacketList|0x00|Handshake}}
 
−
|-
 
−
!colspan="4"| Login clientbound
 
−
{{PacketList|0x05|Cookie Request (login)|rel=added}}
 
−
|-
 
−
!colspan="4"| Login serverbound
 
−
{{PacketList|0x04|Cookie Response (login)|rel=added}}
 
 
  |-
 
  |-
 
  !colspan="4"| Configuration clientbound
 
  !colspan="4"| Configuration clientbound
−
  {{PacketList|0x00|Cookie Request (configuration)|rel=added}}
+
  {{PacketList|0x0F|Clientbound Report Details (configuration)|rel=added}}
−
  {{PacketList|{{change|0x00|0x01}}|Clientbound Plugin Message (configuration)|pre=unchanged}}
+
  {{PacketList|0x10|Clientbound Server Links (configuration)|rel=added}}
−
{{PacketList|{{change|0x01|0x02}}|Disconnect (configuration)|pre=unchanged}}
 
−
{{PacketList|{{change|0x02|0x03}}|Finish Configuration|pre=unchanged}}
 
−
{{PacketList|{{change|0x03|0x04}}|Clientbound Keep Alive (configuration)|pre=unchanged}}
 
−
{{PacketList|{{change|0x04|0x05}}|Ping (configuration)|pre=unchanged}}
 
−
{{PacketList|{{change|0x05|0x06}}|Registry Data|pre=unchanged}}
 
−
{{PacketList|{{change|0x06|0x07}}|Remove Resource Pack (configuration)|pre=unchanged}}
 
−
{{PacketList|{{change|0x07|0x08}}|Add Resource Pack (configuration)|pre=unchanged}}
 
−
{{PacketList|0x09|Store Cookie (configuration)|rel=added}}
 
−
{{PacketList|0x0A|Transfer (configuration)|rel=added}}
 
−
{{PacketList|{{change|0x08|0x0B}}|Feature Flags|pre=unchanged}}
 
−
{{PacketList|{{change|0x09|0x0C}}|Update Tags (configuration)|pre=unchanged}}
 
−
 
 
−
|-
 
−
!colspan="4"| Configuration serverbound
 
−
{{PacketList|0x01|Cookie Response (configuration)|rel=added}}
 
−
{{PacketList|{{change|0x01|0x02}}|Serverbound Plugin Message (configuration)|pre=unchanged}}
 
−
{{PacketList|{{change|0x02|0x03}}|Finish Configuration|pre=unchanged}}
 
−
{{PacketList|{{change|0x03|0x04}}|Serverbound Keep Alive (configuration)|pre=unchanged}}
 
−
{{PacketList|{{change|0x04|0x05}}|Pong (configuration)|pre=unchanged}}
 
−
{{PacketList|{{change|0x05|0x06}}|Resource Pack Response (configuration)|pre=unchanged}}
 
 
  |-
 
  |-
 
  !colspan="4"| Play clientbound
 
  !colspan="4"| Play clientbound
−
  {{PacketList|0x16|Cookie Request (Play)|rel=added}}
+
  {{PacketList|0x7A|Clientbound Report Details (play)|rel=added}}
−
  {{PacketList|{{change|0x16|0x17}}|Set Cooldown|pre=unchanged}}
+
  {{PacketList|0x7B|Clientbound Server Links (play)|rel=added}}
−
{{PacketList|{{change|0x17|0x18}}|Chat Suggestions|pre=unchanged}}
 
−
{{PacketList|{{change|0x18|0x19}}|Clientbound Plugin Message (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x19|0x1A}}|Damage Event|pre=unchanged}}
 
−
{{PacketList|{{change|0x1A|0x1B}}|Delete Message|pre=unchanged}}
 
−
{{PacketList|{{change|0x1B|0x1C}}|Disconnect (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x1C|0x1D}}|Disguised Chat Message|pre=unchanged}}
 
−
{{PacketList|{{change|0x1D|0x1E}}|Entity Event|pre=unchanged}}
 
−
{{PacketList|{{change|0x1E|0x1F}}|Explosion|pre=unchanged}}
 
−
{{PacketList|{{change|0x1F|0x20}}|Unload Chunk|pre=unchanged}}
 
−
{{PacketList|{{change|0x20|0x21}}|Game Event|pre=unchanged}}
 
−
{{PacketList|{{change|0x21|0x22}}|Open Horse Screen|pre=unchanged}}
 
−
{{PacketList|{{change|0x22|0x23}}|Hurt Animation|pre=unchanged}}
 
−
{{PacketList|{{change|0x23|0x24}}|Initialize World Border|pre=unchanged}}
 
−
{{PacketList|{{change|0x24|0x25}}|Clientbound Keep Alive (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x25|0x26}}|Chunk Data and Update Light|pre=unchanged}}
 
−
{{PacketList|{{change|0x26|0x27}}|World Event|pre=unchanged}}
 
−
{{PacketList|{{change|0x27|0x28}}|Particle|pre=unchanged}}
 
−
{{PacketList|{{change|0x28|0x29}}|Update Light|pre=unchanged}}
 
−
{{PacketList|{{change|0x29|0x2A}}|Login (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x2A|0x2B}}|Map Data|pre=unchanged}}
 
−
{{PacketList|{{change|0x2B|0x2C}}|Merchant Offers|pre=unchanged}}
 
−
{{PacketList|{{change|0x2C|0x2D}}|Update Entity Position|pre=unchanged}}
 
−
{{PacketList|{{change|0x2D|0x2E}}|Update Entity Position and Rotation|pre=unchanged}}
 
−
{{PacketList|{{change|0x2E|0x2F}}|Update Entity Rotation|pre=unchanged}}
 
−
{{PacketList|{{change|0x2F|0x30}}|Move Vehicle|pre=unchanged}}
 
−
{{PacketList|{{change|0x30|0x31}}|Open Book|pre=unchanged}}
 
−
{{PacketList|{{change|0x31|0x32}}|Open Screen|pre=unchanged}}
 
−
{{PacketList|{{change|0x32|0x33}}|Open Sign Editor|pre=unchanged}}
 
−
{{PacketList|{{change|0x33|0x34}}|Ping (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x34|0x35}}|Ping Response (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x35|0x36}}|Place Ghost Recipe|pre=unchanged}}
 
−
{{PacketList|{{change|0x36|0x37}}|Player Abilities|pre=unchanged}}
 
−
{{PacketList|{{change|0x37|0x38}}|Player Chat Message|pre=unchanged}}
 
−
{{PacketList|{{change|0x38|0x39}}|End Combat|pre=unchanged}}
 
−
{{PacketList|{{change|0x39|0x3A}}|Enter Combat|pre=unchanged}}
 
−
{{PacketList|{{change|0x3A|0x3B}}|Combat Death|pre=unchanged}}
 
−
{{PacketList|{{change|0x3B|0x3C}}|Player Info Remove|pre=unchanged}}
 
−
{{PacketList|{{change|0x3C|0x3D}}|Player Info Update|pre=unchanged}}
 
−
{{PacketList|{{change|0x3D|0x3E}}|Look At|pre=unchanged}}
 
−
{{PacketList|{{change|0x3E|0x3F}}|Synchronize Player Position|pre=unchanged}}
 
−
{{PacketList|{{change|0x3F|0x40}}|Update Recipe Book|pre=unchanged}}
 
−
{{PacketList|{{change|0x40|0x41}}|Remove Entities|pre=unchanged}}
 
−
{{PacketList|{{change|0x41|0x42}}|Remove Entity Effect|pre=unchanged}}
 
−
{{PacketList|{{change|0x42|0x43}}|Reset Score|pre=unchanged}}
 
−
{{PacketList|{{change|0x43|0x44}}|Remove Resource Pack (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x44|0x45}}|Add Resource Pack (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x45|0x46}}|Respawn|pre=unchanged}}
 
−
{{PacketList|{{change|0x46|0x47}}|Set Head Rotation|pre=unchanged}}
 
−
{{PacketList|{{change|0x47|0x48}}|Update Section Blocks|pre=unchanged}}
 
−
{{PacketList|{{change|0x48|0x49}}|Select Advancements Tab|pre=unchanged}}
 
−
{{PacketList|{{change|0x49|0x4A}}|Server Data|pre=unchanged}}
 
−
{{PacketList|{{change|0x4A|0x4B}}|Set Action Bar Text|pre=unchanged}}
 
−
{{PacketList|{{change|0x4B|0x4C}}|Set Border Center|pre=unchanged}}
 
−
{{PacketList|{{change|0x4C|0x4D}}|Set Border Lerp Size|pre=unchanged}}
 
−
{{PacketList|{{change|0x4D|0x4E}}|Set Border Size|pre=unchanged}}
 
−
{{PacketList|{{change|0x4E|0x4F}}|Set Border Warning Delay|pre=unchanged}}
 
−
{{PacketList|{{change|0x4F|0x50}}|Set Border Warning Distance|pre=unchanged}}
 
−
{{PacketList|{{change|0x50|0x51}}|Set Camera|pre=unchanged}}
 
−
{{PacketList|{{change|0x51|0x52}}|Set Held Item|pre=unchanged}}
 
−
{{PacketList|{{change|0x52|0x53}}|Set Center Chunk|pre=unchanged}}
 
−
{{PacketList|{{change|0x53|0x54}}|Set Render Distance|pre=unchanged}}
 
−
{{PacketList|{{change|0x54|0x55}}|Set Default Spawn Position|pre=unchanged}}
 
−
{{PacketList|{{change|0x55|0x56}}|Display Objective|pre=unchanged}}
 
−
{{PacketList|{{change|0x56|0x57}}|Set Entity Metadata|pre=unchanged}}
 
−
{{PacketList|{{change|0x57|0x58}}|Link Entities|pre=unchanged}}
 
−
{{PacketList|{{change|0x58|0x59}}|Set Entity Velocity|pre=unchanged}}
 
−
{{PacketList|{{change|0x59|0x5A}}|Set Equipment|pre=unchanged}}
 
−
{{PacketList|{{change|0x5A|0x5B}}|Set Experience|pre=unchanged}}
 
−
{{PacketList|{{change|0x5B|0x5C}}|Set Health|pre=unchanged}}
 
−
{{PacketList|{{change|0x5C|0x5D}}|Update Objectives|pre=unchanged}}
 
−
{{PacketList|{{change|0x5D|0x5E}}|Set Passengers|pre=unchanged}}
 
−
{{PacketList|{{change|0x5E|0x5F}}|Update Teams|pre=unchanged}}
 
−
{{PacketList|{{change|0x5F|0x60}}|Update Score|pre=unchanged}}
 
−
{{PacketList|{{change|0x60|0x61}}|Set Simulation Distance|pre=unchanged}}
 
−
{{PacketList|{{change|0x61|0x62}}|Set Subtitle Text|pre=unchanged}}
 
−
{{PacketList|{{change|0x62|0x63}}|Update Time|pre=unchanged}}
 
−
{{PacketList|{{change|0x63|0x64}}|Set Title Text|pre=unchanged}}
 
−
{{PacketList|{{change|0x64|0x65}}|Set Title Animation Times|pre=unchanged}}
 
−
{{PacketList|{{change|0x65|0x66}}|Entity Sound Effect|pre=unchanged}}
 
−
{{PacketList|{{change|0x66|0x67}}|Sound Effect|pre=unchanged}}
 
−
{{PacketList|{{change|0x67|0x68}}|Start Configuration|pre=unchanged}}
 
−
{{PacketList|{{change|0x68|0x69}}|Stop Sound|pre=unchanged}}
 
−
{{PacketList|0x6A|Store Cookie (Play)|rel=added}}
 
−
{{PacketList|{{change|0x69|0x6B}}|System Chat Message|pre=unchanged}}
 
−
{{PacketList|{{change|0x6A|0x6C}}|Set Tab List Header And Footer|pre=unchanged}}
 
−
{{PacketList|{{change|0x6B|0x6D}}|Tag Query Response|pre=unchanged}}
 
−
{{PacketList|{{change|0x6C|0x6E}}|Pickup Item|pre=unchanged}}
 
−
{{PacketList|{{change|0x6D|0x6F}}|Teleport Entity|pre=unchanged}}
 
−
{{PacketList|{{change|0x6E|0x70}}|Set Ticking State|pre=unchanged}}
 
−
{{PacketList|{{change|0x6F|0x71}}|Step Tick|pre=unchanged}}
 
−
{{PacketList|0x72|Transfer (Play)|rel=added}}
 
−
{{PacketList|{{change|0x70|0x73}}|Update Advancements|pre=unchanged}}
 
−
{{PacketList|{{change|0x71|0x74}}|Update Attributes}}
 
−
{{PacketList|{{change|0x72|0x75}}|Entity Effect}}
 
−
{{PacketList|{{change|0x73|0x76}}|Update Recipes|pre=unchanged}}
 
−
{{PacketList|{{change|0x74|0x77}}|Update Tags (play)|pre=unchanged}}
 
 
  |-
 
  |-
−
!colspan="4"| Play serverbound
+
|}
−
{{PacketList|0x10|Cookie Response (play)|rel=added}}
 
−
{{PacketList|{{change|0x10|0x11}}|Serverbound Plugin Message (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x11|0x12}}|Edit Book|pre=unchanged}}
 
−
{{PacketList|{{change|0x12|0x13}}|Query Entity Tag|pre=unchanged}}
 
−
{{PacketList|{{change|0x13|0x14}}|Interact|pre=unchanged}}
 
−
{{PacketList|{{change|0x14|0x15}}|Jigsaw Generate|pre=unchanged}}
 
−
{{PacketList|{{change|0x15|0x16}}|Serverbound Keep Alive (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x16|0x17}}|Lock Difficulty|pre=unchanged}}
 
−
{{PacketList|{{change|0x17|0x18}}|Set Player Position|pre=unchanged}}
 
−
{{PacketList|{{change|0x18|0x19}}|Set Player Position and Rotation|pre=unchanged}}
 
−
{{PacketList|{{change|0x19|0x1A}}|Set Player Rotation|pre=unchanged}}
 
−
{{PacketList|{{change|0x1A|0x1B}}|Set Player On Ground|pre=unchanged}}
 
−
{{PacketList|{{change|0x1B|0x1C}}|Move Vehicle|pre=unchanged}}
 
−
{{PacketList|{{change|0x1C|0x1D}}|Paddle Boat|pre=unchanged}}
 
−
{{PacketList|{{change|0x1D|0x1E}}|Pick Item|pre=unchanged}}
 
−
{{PacketList|{{change|0x1E|0x1F}}|Ping Request (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x1F|0x20}}|Place Recipe|pre=unchanged}}
 
−
{{PacketList|{{change|0x20|0x21}}|Player Abilities|pre=unchanged}}
 
−
{{PacketList|{{change|0x21|0x22}}|Player Action|pre=unchanged}}
 
−
{{PacketList|{{change|0x22|0x23}}|Player Command|pre=unchanged}}
 
−
{{PacketList|{{change|0x23|0x24}}|Player Input|pre=unchanged}}
 
−
{{PacketList|{{change|0x24|0x25}}|Pong (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x25|0x26}}|Change Recipe Book Settings|pre=unchanged}}
 
−
{{PacketList|{{change|0x26|0x27}}|Set Seen Recipe|pre=unchanged}}
 
−
{{PacketList|{{change|0x27|0x28}}|Rename Item|pre=unchanged}}
 
−
{{PacketList|{{change|0x28|0x29}}|Resource Pack Response (play)|pre=unchanged}}
 
−
{{PacketList|{{change|0x29|0x2A}}|Seen Advancements|pre=unchanged}}
 
−
{{PacketList|{{change|0x2A|0x2B}}|Select Trade|pre=unchanged}}
 
−
{{PacketList|{{change|0x2B|0x2C}}|Set Beacon Effect|pre=unchanged}}
 
−
{{PacketList|{{change|0x2C|0x2D}}|Set Held Item|pre=unchanged}}
 
−
{{PacketList|{{change|0x2D|0x2E}}|Program Command Block|pre=unchanged}}
 
−
{{PacketList|{{change|0x2E|0x2F}}|Program Command Block Minecart|pre=unchanged}}
 
−
{{PacketList|{{change|0x2F|0x30}}|Set Creative Mode Slot|pre=unchanged}}
 
−
{{PacketList|{{change|0x30|0x31}}|Program Jigsaw Block|pre=unchanged}}
 
−
{{PacketList|{{change|0x31|0x32}}|Program Structure Block|pre=unchanged}}
 
−
{{PacketList|{{change|0x32|0x33}}|Update Sign|pre=unchanged}}
 
−
{{PacketList|{{change|0x33|0x34}}|Swing Arm|pre=unchanged}}
 
−
{{PacketList|{{change|0x34|0x35}}|Teleport To Entity|pre=unchanged}}
 
−
{{PacketList|{{change|0x35|0x36}}|Use Item On|pre=unchanged}}
 
−
{{PacketList|{{change|0x36|0x37}}|Use Item|pre=unchanged}}
 
−
|}
 
  
−
== New/modified data types ==
+
== Handshake ==
  
 
No changes so far.
 
No changes so far.
−
 
−
== Entity Metadata ==
 
−
 
−
{{#vardefine: meta_prerelease | 1}}
 
−
 
−
{{Metadata type definition/begin}}
 
−
! Value
 
−
! Notes
 
−
{{Metadata type definition|Byte}}
 
−
| {{Type|Byte}}
 
−
|
 
−
{{Metadata type definition|VarInt}}
 
−
| {{Type|VarInt}}
 
−
|
 
−
{{Metadata type definition|VarLong}}
 
−
| {{Type|VarLong}}
 
−
|
 
−
{{Metadata type definition|Float}}
 
−
| {{Type|Float}}
 
−
|
 
−
{{Metadata type definition|String}}
 
−
| {{Type|String}}
 
−
|
 
−
{{Metadata type definition|Text Component}}
 
−
| {{Type|Text Component}}
 
−
|
 
−
{{Metadata type definition|Optional Text Component}}
 
−
| ({{Type|Boolean}}, {{Type|Optional}} {{Type|Text Component}})
 
−
| Text Component is present if the Boolean is set to true.
 
−
{{Metadata type definition|Slot}}
 
−
| {{Type|Slot}}
 
−
|
 
−
{{Metadata type definition|Boolean}}
 
−
| {{Type|Boolean}}
 
−
|
 
−
{{Metadata type definition|Rotations}}
 
−
| ({{Type|Float}}, {{Type|Float}}, {{Type|Float}})
 
−
| rotation on x, rotation on y, rotation on z
 
−
{{Metadata type definition|Position}}
 
−
| {{Type|Position}}
 
−
|
 
−
{{Metadata type definition|Optional Position}}
 
−
| ({{Type|Boolean}}, {{Type|Optional}} {{Type|Position}})
 
−
| Position is present if the Boolean is set to true.
 
−
{{Metadata type definition|Direction}}
 
−
| {{Type|VarInt}} {{Type|Enum}}
 
−
| Down = 0, Up = 1, North = 2, South = 3, West = 4, East = 5
 
−
{{Metadata type definition|Optional UUID}}
 
−
| ({{Type|Boolean}}, {{Type|Optional}} {{Type|UUID}})
 
−
| UUID is present if the Boolean is set to true.
 
−
{{Metadata type definition|Block State}}
 
−
| {{Type|VarInt}}
 
−
| An ID in the block state registry.
 
−
{{Metadata type definition|Optional Block State}}
 
−
| {{Type|VarInt}}
 
−
| 0 for absent (air is unrepresentable); otherwise, an ID in the block state registry.
 
−
{{Metadata type definition|NBT}}
 
−
| {{Type|NBT}}
 
−
|
 
−
{{Metadata type definition|Particle}}
 
−
| ({{Type|VarInt}}, Varies)
 
−
| particle type (an ID in the <code>minecraft:particle_type</code> registry), particle data (See [[Particles]].)
 
−
{{Metadata type definition|Villager Data}}
 
−
| ({{Type|VarInt}}, {{Type|VarInt}}, {{Type|VarInt}})
 
−
| villager type, villager profession, level (See below.)
 
−
{{Metadata type definition|Optional VarInt}}
 
−
| {{Type|VarInt}}
 
−
| 0 for absent; 1 + actual value otherwise. Used for entity IDs.
 
−
{{Metadata type definition|Pose}}
 
−
| {{Type|VarInt}} {{Type|Enum}}
 
−
| STANDING = 0, FALL_FLYING = 1, SLEEPING = 2, SWIMMING = 3, SPIN_ATTACK = 4, SNEAKING = 5, LONG_JUMPING = 6, DYING = 7, CROAKING = 8, USING_TONGUE = 9, SITTING = 10, ROARING = 11, SNIFFING = 12, EMERGING = 13, DIGGING = 14{{change||2=, SLIDING = 15, SHOOTING = 16, INHALING = 17}}
 
−
{{Metadata type definition|Cat Variant}}
 
−
| {{Type|VarInt}}
 
−
| An ID in the <code>minecraft:cat_variant</code> registry.
 
−
{{Metadata type definition|Frog Variant}}
 
−
| {{Type|VarInt}}
 
−
| An ID in the <code>minecraft:frog_variant</code> registry.
 
−
{{Metadata type definition|Optional Global Position}}
 
−
| ({{Type|Boolean}}, {{Type|Optional}} {{Type|Identifier}}, {{Type|Optional}} {{Type|Position}})
 
−
| dimension identifier, position; only if the Boolean is set to true.
 
−
{{Metadata type definition|Painting Variant}}
 
−
| {{Type|VarInt}}
 
−
| An ID in the <code>minecraft:painting_variant</code> registry.
 
−
{{Metadata type definition|Sniffer State}}
 
−
| {{Type|VarInt}} {{Type|Enum}}
 
−
| IDLING = 0, FEELING_HAPPY = 1, SCENTING = 2, SNIFFING = 3, SEARCHING = 4, DIGGING = 5, RISING = 6
 
−
{{Metadata type definition|Armadillo State|rel=added}}
 
−
| {{Type|VarInt}} {{Type|Enum}}
 
−
| IDLE = 0, ROLLING = 1, SCARED = 2
 
−
{{Metadata type definition|Vector3}}
 
−
| ({{Type|Float}}, {{Type|Float}}, {{Type|Float}})
 
−
| x, y, z
 
−
{{Metadata type definition|Quaternion}}
 
−
| ({{Type|Float}}, {{Type|Float}}, {{Type|Float}}, {{Type|Float}})
 
−
| x, y, z, w
 
−
|}
 
−
 
−
=== Armadillo ===
 
−
 
−
{{Metadata inherit|Armadillo|inherits=Animal|start_at=17}}
 
−
{| class="wikitable" {{added}}
 
−
! Index
 
−
! Type
 
−
!style="width: 250px;" colspan="2"| Meaning
 
−
! Default
 
−
|-
 
−
| {{Metadata id|added}}
 
−
| {{Metadata type|Armadillo State}}
 
−
|colspan="2"| Armadillo State
 
−
| IDLE
 
−
|}
 
−
 
−
== Block Actions ==
 
−
 
−
No changes so far.
 
−
 
−
== Inventories ==
 
−
 
−
No changes so far.
 
−
 
−
== Plugin Channels ==
 
−
 
−
No changes so far.
 
−
 
−
== Handshake ==
 
−
 
−
=== Serverbound ===
 
−
 
−
==== Handshake ====
 
−
 
−
This causes the server to switch into the target state.
 
−
 
−
{| class="wikitable"
 
−
! Packet ID
 
−
! State
 
−
! Bound To
 
−
! Field Name
 
−
! Field Type
 
−
! Notes
 
−
|-
 
−
| rowspan="4"| 0x00
 
−
| rowspan="4"| Handshaking
 
−
| rowspan="4"| Server
 
−
| Protocol Version
 
−
| [[#Definitions:varint|VarInt]]
 
−
| See [[protocol version numbers]] (currently 765 in Minecraft 1.20.4).
 
−
|-
 
−
| Server Address
 
−
| [[#Definitions:string|String]] (255)
 
−
| Hostname or IP, e.g. localhost or 127.0.0.1, that was used to connect. The Notchian server does not use this information. Note that SRV records are a simple redirect, e.g. if _minecraft._tcp.example.com points to mc.example.org, users connecting to example.com will provide example.org as server address in addition to connecting to it.
 
−
|-
 
−
| Server Port
 
−
| [[#Definitions:unsigned-short|Unsigned Short]]
 
−
| Default is 25565. The Notchian server does not use this information.
 
−
|-
 
−
| Next State
 
−
| [[#Definitions:varint|VarInt]] [[#Definitions:enum|Enum]]
 
−
| 1 for [[#Status|Status]], 2 for [[#Login|Login]]{{change||, 3 for [[#Login|Transfer]]}}.
 
−
|}
 
  
 
== Status ==
 
== Status ==
−
 
−
=== Clientbound ===
 
  
 
No changes so far.
 
No changes so far.
  
−
=== Serverbound ===
+
== Login ==
  
 
No changes so far.
 
No changes so far.
  
−
== Login ==
+
== Configuration ==
  
 
=== Clientbound ===
 
=== Clientbound ===
  
−
==== Cookie Request (login) ====
+
==== Clientbound Report Details (configuration) ====
  
−
Requests a cookie that was previously stored.
+
Contains a list of key-value text entries that are included in any crash or disconnection report generated during connection to the server.
  
 
{| class="wikitable" {{added}}
 
{| class="wikitable" {{added}}
Line 383: Line 56:
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
−
  | rowspan="1"| 0x05
+
  | rowspan="3"| 0x0F
−
  | rowspan="1"| Login
+
  | rowspan="3"| Configuration
−
  | rowspan="1"| Client
+
  | rowspan="3"| Client
−
  | colspan="2"| Key
+
  | colspan="2"| Details Count
−
  | colspan="2"| Identifier
+
  | colspan="2"| {{Type|VarInt}} (32)
−
  | The identifier of the cookie.
+
  | The number of details in the following array.
−
  |}
+
  |-
−
 
+
| rowspan="2"| Details
−
=== Serverbound ===
+
| Title
 +
| rowspan="2"| {{Type|Array}}
 +
| {{Type|String}} (128)
 +
|
 +
|-
 +
| Description
 +
| {{Type|String}} (4096)
 +
|
 +
|}
  
−
==== Cookie Response (login) ====
+
==== Clientbound Server Links (configuration) ====
  
−
Response to a [[#Cookie_Request_(login)|Cookie Request (login)]] from the server. The Notchian server only accepts responses of up to 5 kiB in size.
+
This packet contains a list of links that the Notchian client will display in the menu available from the pause menu. Link labels can be built-in or custom (i.e., any text).
  
 
{| class="wikitable" {{added}}
 
{| class="wikitable" {{added}}
Line 405: Line 86:
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
−
  | rowspan="4"| 0x04
+
  | rowspan="4"| 0x10
−
  | rowspan="4"| Login
+
  | rowspan="4"| Configuration
−
  | rowspan="4"| Server
+
  | rowspan="4"| Client
−
  | colspan="2"| Key
+
  | colspan="2"| Links Count
−
  | colspan="2"| Identifier
+
  | colspan="2"| {{Type|VarInt}}
−
  | The identifier of the cookie.
+
  | The number of links in the following array.
 
  |-
 
  |-
−
  | colspan="2"| Has Payload
+
  | rowspan="3"| Links
−
  | colspan="2"| Boolean
+
  | Is built-in
−
  | The payload is only present if the cookie exists on the client.
+
| rowspan="3"| {{Type|Array}}
 +
| {{Type|Boolean}}
 +
  | Determines if the following label is built-in (from enum) or custom (text component).
 
  |-
 
  |-
−
  | colspan="2"| Payload Length
+
  | Label
−
  | colspan="2"| VarInt
+
  | {{Type|VarInt}} {{Type|Enum}} / {{Type|Text Component}}
−
  | Length of the following byte array.
+
  | See below.
 
  |-
 
  |-
−
  | colspan="2"| Payload
+
  | URL
−
  | colspan="2"| Optional Byte Array (5120)
+
  | {{Type|String}}
−
  | The data of the cookie, if any.
+
  | Valid URL.
−
|}
+
|}
−
 
 
−
== Configuration ==
 
  
−
=== Clientbound ===
 
−
 
−
==== Cookie Request (configuration) ====
 
−
 
−
Requests a cookie that was previously stored.
 
  
 
{| class="wikitable" {{added}}
 
{| class="wikitable" {{added}}
−
  ! Packet ID
+
  ! ID
−
  ! State
+
  ! Name
−
! Bound To
 
−
! colspan="2"| Field Name
 
−
! colspan="2"| Field Type
 
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
−
  | rowspan="1"| 0x00
+
  | 0
−
  | rowspan="1"| Configuration
+
  | Bug Report
−
  | rowspan="1"| Client
+
  | Displayed on connection error screen; included as a comment in the disconnection report.
−
  | colspan="2"| Key
+
  |-
−
  | colspan="2"| Identifier
+
  | 1
−
  | The identifier of the cookie.
+
  | Community Guidelines
−
  |}
+
  |  
−
 
+
|-
−
==== Store Cookie (configuration) ====
+
  | 2
−
 
+
  | Support
−
Stores some arbitrary data on the client, which persists between server transfers. The Notchian client only accepts cookies of up to 5 kiB in size.
+
  |  
−
 
 
−
{| class="wikitable" {{added}}
 
−
  ! Packet ID
 
−
  ! State
 
−
! Bound To
 
−
! colspan="2"| Field Name
 
−
  ! colspan="2"| Field Type
 
−
! Notes
 
 
  |-
 
  |-
−
  | rowspan="2"| 0x09
+
  | 3
−
| rowspan="2"| Configuration
+
  | Status
−
| rowspan="2"| Client
+
  |  
−
  | colspan="2"| Key
 
−
| colspan="2"| Identifier
 
−
  | The identifier of the cookie.
 
 
  |-
 
  |-
−
  | colspan="2"| Payload
+
  | 4
−
| colspan="2"| ByteArray(5120)
+
  | Feedback
−
| The data of the cookie.
+
  |  
−
|}
 
−
 
 
−
==== Transfer (configuration) ====
 
−
 
 
−
Notifies the client that it should transfer to the given server. Cookies previously stored are preserved between server transfers.
 
−
 
 
−
{| class="wikitable" {{added}}
 
−
  ! Packet ID
 
−
! State
 
−
! Bound To
 
−
! colspan="2"| Field Name
 
−
  ! colspan="2"| Field Type
 
−
! Notes
 
 
  |-
 
  |-
−
  | rowspan="2"| 0x0A
+
  | 5
−
| rowspan="2"| Configuration
+
  | Community
−
| rowspan="2"| Client
+
  |  
−
  | colspan="2"| Host
 
−
| colspan="2"| String
 
−
  | The hostname of IP of the server.
 
 
  |-
 
  |-
−
  | colspan="2"| Port
+
  | 6
−
| colspan="2"| VarInt
+
  | Website
−
  | The port of the server.
+
  |  
−
  |}
 
−
 
 
−
=== Serverbound ===
 
−
 
 
−
==== Cookie Response (configuration) ====
 
−
 
 
−
Response to a [[#Cookie_Request_(configuration)|Cookie Request (configuration)]] from the server. The Notchian server only accepts responses of up to 5 kiB in size.
 
−
 
 
−
{| class="wikitable" {{added}}
 
−
! Packet ID
 
−
! State
 
−
! Bound To
 
−
! colspan="2"| Field Name
 
−
! colspan="2"| Field Type
 
−
! Notes
 
 
  |-
 
  |-
−
  | rowspan="4"| 0x01
+
  | 7
−
| rowspan="4"| Configuration
+
  | Forums
−
| rowspan="4"| Server
+
  |  
−
  | colspan="2"| Key
 
−
| colspan="2"| Identifier
 
−
  | The identifier of the cookie.
 
 
  |-
 
  |-
−
  | colspan="2"| Has Payload
+
  | 8
−
  | colspan="2"| Boolean
+
  | News
−
  | The payload is only present if the cookie exists on the client.
+
  |  
 
  |-
 
  |-
−
  | colspan="2"| Payload Length
+
  | 9
−
  | colspan="2"| VarInt
+
  | Announcements
−
  | Length of the following byte array.
+
  |  
 
  |-
 
  |-
−
| colspan="2"| Payload
 
−
| colspan="2"| Optional Byte Array (5120)
 
−
| The data of the cookie, if any.
 
 
  |}
 
  |}
 +
 +
=== Serverbound ===
 +
 +
No changes so far.
  
 
== Play ==
 
== Play ==
Line 535: Line 164:
 
=== Clientbound ===
 
=== Clientbound ===
  
−
==== Cookie Request (play) ====
+
==== Clientbound Report Details (play) ====
  
−
Requests a cookie that was previously stored.
+
Contains a list of key-value text entries that are included in any crash or disconnection report generated during connection to the server.
  
 
{| class="wikitable" {{added}}
 
{| class="wikitable" {{added}}
Line 547: Line 176:
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
−
  | rowspan="1"| 0x16
+
  | rowspan="3"| 0x7A
−
  | rowspan="1"| Play
+
  | rowspan="3"| Configuration
−
  | rowspan="1"| Client
+
  | rowspan="3"| Client
−
  | colspan="2"| Key
+
  | colspan="2"| Details Count
−
  | colspan="2"| Identifier
+
  | colspan="2"| {{Type|VarInt}} (32)
−
| The identifier of the cookie.
+
| The number of details in the following array.
−
|}
 
−
 
 
−
==== Store Cookie (play) ====
 
−
 
 
−
Stores some arbitrary data on the client, which persists between server transfers. The Notchian client only accepts cookies of up to 5 kiB in size.
 
−
 
 
−
{| class="wikitable" {{added}}
 
−
! Packet ID
 
−
! State
 
−
! Bound To
 
−
! colspan="2"| Field Name
 
−
! colspan="2"| Field Type
 
−
! Notes
 
 
  |-
 
  |-
−
  | rowspan="2"| 0x6A
+
  | rowspan="2"| Details
−
  | rowspan="2"| Play
+
  | Title
−
  | rowspan="2"| Client
+
  | rowspan="2"| {{Type|Array}}
−
| colspan="2"| Key
+
  | {{Type|String}} (128)
−
  | colspan="2"| Identifier
+
  |
−
  | The identifier of the cookie.
 
 
  |-
 
  |-
−
  | colspan="2"| Payload
+
  | Description
−
  | colspan="2"| ByteArray(5120)
+
  | {{Type|String}} (4096)
−
  | The data of the cookie.
+
  |
−
|}
+
|}
  
−
==== Transfer (play) ====
+
==== Clientbound Server Links (play) ====
  
−
Notifies the client that it should transfer to the given server. Cookies previously stored are preserved between server transfers.
+
This packet contains a list of links that the Notchian client will display in the menu available from the pause menu. Link labels can be built-in or custom (i.e., any text).
  
 
{| class="wikitable" {{added}}
 
{| class="wikitable" {{added}}
Line 591: Line 206:
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
−
  | rowspan="2"| 0x72
+
  | rowspan="4"| 0x7B
−
  | rowspan="2"| Play
+
  | rowspan="4"| Configuration
−
  | rowspan="2"| Client
+
  | rowspan="4"| Client
−
  | colspan="2"| Host
+
  | colspan="2"| Links Count
−
  | colspan="2"| String
+
  | colspan="2"| {{Type|VarInt}}
−
  | The hostname of IP of the server.
+
  | The number of links in the following array.
 
  |-
 
  |-
−
  | colspan="2"| Port
+
  | rowspan="3"| Links
−
  | colspan="2"| VarInt
+
  | Is built-in
−
| The port of the server.
+
| rowspan="3"| {{Type|Array}}
−
  |}
+
  | {{Type|Boolean}}
−
 
+
  | Determines if the following label is built-in (from enum) or custom (text component).
−
==== Update Attributes ====
 
−
 
 
−
Sets {{Minecraft Wiki|Attribute|attributes}} on the given entity.
 
−
 
 
−
{| class="wikitable"
 
−
! Packet ID
 
−
! State
 
−
! Bound To
 
−
  ! colspan="2"| Field Name
 
−
! colspan="2"| Field Type
 
−
! Notes
 
 
  |-
 
  |-
−
  | rowspan="6"| 0x71
+
  | Label
−
  | rowspan="6"| Play
+
  | {{Type|VarInt}} {{Type|Enum}} / {{Type|Text Component}}
−
| rowspan="6"| Client
 
−
| colspan="2"| Entity ID
 
−
| colspan="2"| VarInt
 
−
|
 
−
|-
 
−
| colspan="2"| Number Of Properties
 
−
| colspan="2"| VarInt
 
−
| Number of elements in the following array.
 
−
|-
 
−
| rowspan="4"| Property
 
−
| {{change|Key|Id}}
 
−
| rowspan="4"| Array
 
−
| {{change|Identifier|VarInt Enum}}
 
 
  | See below.
 
  | See below.
 
  |-
 
  |-
−
  | Value
+
  | URL
−
  | Double
+
  | {{Type|String}}
−
| See below.
+
| Valid URL.
−
|-
+
|}
−
| Number Of Modifiers
 
−
| VarInt
 
−
| Number of elements in the following array.
 
−
|-
 
−
| Modifiers
 
−
| Array of Modifier Data
 
−
| See {{Minecraft Wiki|Attribute#Modifiers}}. Modifier Data defined below.
 
−
|}
 
  
−
Known Key values (see also {{Minecraft Wiki|Attribute#Modifiers}}):
+
{| class="wikitable" {{added}}
−
 
+
  ! ID
−
{| class="wikitable"
+
  ! Name
−
|-
+
  ! Notes
−
! Id
 
−
! Key
 
−
! Default
 
−
  ! Min
 
−
  ! Max
 
−
  ! Label
 
 
  |-
 
  |-
 
  | 0
 
  | 0
−
  | generic.armor
+
  | Bug Report
−
  | 0.0
+
  | Displayed on connection error screen; included as a comment in the disconnection report.
−
| 0.0
 
−
| 30.0
 
−
| Armor.
 
 
  |-
 
  |-
 
  | 1
 
  | 1
−
  | generic.armor_toughness
+
  | Community Guidelines
−
  | 0.0
+
  |  
−
| 0.0
 
−
| 20.0
 
−
| Armor Toughness.
 
 
  |-
 
  |-
 
  | 2
 
  | 2
−
  | generic.attack_damage
+
  | Support
−
  | 2.0
+
  |  
−
| 0.0
 
−
| 2048.0
 
−
| Attack Damage.
 
 
  |-
 
  |-
 
  | 3
 
  | 3
−
  | generic.attack_knockback
+
  | Status
−
  | 0.0
+
  |  
−
| 0.0
 
−
| 5.0
 
−
| Attack Knockback.
 
 
  |-
 
  |-
 
  | 4
 
  | 4
−
  | generic.attack_speed
+
  | Feedback
−
  | 4.0
+
  |  
−
| 0.0
+
  |-
−
| 1024.0
 
−
| Attack Speed.
 
−
  |- {{added}}
 
 
  | 5
 
  | 5
−
  | generic.block_interaction_range
+
  | Community
−
  | 4.5
+
  |  
−
| 0.0
+
  |-
−
| 64.0
 
−
| Block Interaction Range.
 
−
  |- {{added}}
 
 
  | 6
 
  | 6
−
  | generic.entity_interaction_range
+
  | Website
−
  | 3.0
+
  |  
−
| 0.0
 
−
| 64.0
 
−
| Entity Interaction Range.
 
 
  |-
 
  |-
 
  | 7
 
  | 7
−
  | generic.flying_speed
+
  | Forums
−
  | 0.4
+
  |  
−
| 0.0
 
−
| 1024.0
 
−
| Flying Speed.
 
 
  |-
 
  |-
 
  | 8
 
  | 8
−
  | generic.follow_range
+
  | News
−
  | 32.0
+
  |  
−
| 0.0
 
−
| 2048.0
 
−
| Follow Range.
 
 
  |-
 
  |-
 
  | 9
 
  | 9
−
  | horse.jump_strength
+
  | Announcements
−
  | 0.7
+
  |  
−
| 0.0
 
−
| 2.0
 
−
| Jump Strength.
 
 
  |-
 
  |-
−
| 10
 
−
| generic.knockback_resistance
 
−
| 0.0
 
−
| 0.0
 
−
| 1.0
 
−
| Knockback Resistance.
 
−
|-
 
−
| 11
 
−
| generic.luck
 
−
| 0.0
 
−
| -1024.0
 
−
| 1024.0
 
−
| Luck.
 
−
|-
 
−
| 12
 
−
| generic.max_absorption
 
−
| 0.0
 
−
| 0.0
 
−
| 2048.0
 
−
| Max Absorption.
 
−
|-
 
−
| 13
 
−
| generic.max_health
 
−
| 20.0
 
−
| 1.0
 
−
| 1024.0
 
−
| Max Health.
 
−
|-
 
−
| 14
 
−
| generic.movement_speed
 
−
| 0.7
 
−
| 0.0
 
−
| 1024.0
 
−
| Movement Speed.
 
−
|- {{added}}
 
−
| 15
 
−
| generic.scale
 
−
| 1.0
 
−
| 0.0625
 
−
| 16.0
 
−
| Scale.
 
−
|-
 
−
| 16
 
−
| zombie.spawn_reinforcements
 
−
| 0.0
 
−
| 0.0
 
−
| 1.0
 
−
| Spawn Reinforcements Chance.
 
−
|- {{added}}
 
−
| 17
 
−
| generic.step_height
 
−
| 0.6
 
−
| 0.0
 
−
| 10.0
 
−
| Step Height.
 
−
|}
 
−
 
−
''Modifier Data'' structure:
 
−
 
−
{| class="wikitable"
 
−
|-
 
−
! Field Name
 
−
! Field Type
 
−
! Notes
 
−
|-
 
−
| UUID
 
−
| UUID
 
−
|
 
−
|-
 
−
| Amount
 
−
| Double
 
−
| May be positive or negative.
 
−
|-
 
−
| Operation
 
−
| Byte
 
−
| See below.
 
−
|}
 
−
 
−
The operation controls how the base value of the modifier is changed.
 
−
 
−
* 0: Add/subtract amount
 
−
* 1: Add/subtract amount percent of the current value
 
−
* 2: Multiply by amount percent
 
−
 
−
All of the 0's are applied first, and then the 1's, and then the 2's.
 
−
 
−
==== Entity Effect ====
 
−
 
−
{| class="wikitable"
 
−
! Packet ID
 
−
! State
 
−
! Bound To
 
−
! Field Name
 
−
! Field Type
 
−
! Notes
 
−
|-
 
−
| rowspan="7"| 0x72
 
−
| rowspan="7"| Play
 
−
| rowspan="7"| Client
 
−
| Entity ID
 
−
| VarInt
 
−
|
 
−
|-
 
−
| Effect ID
 
−
| VarInt
 
−
| See {{Minecraft Wiki|Status effect#Effect list|this table}}.
 
−
|-
 
−
| Amplifier
 
−
| Byte
 
−
| Notchian client displays effect level as Amplifier + 1.
 
−
|-
 
−
| Duration
 
−
| VarInt
 
−
| Duration in ticks. (-1 for infinite)
 
−
|-
 
−
| Flags
 
−
| Byte
 
−
| Bit field, see below.
 
−
|- {{removed}}
 
−
| Has Factor Data
 
−
| Boolean
 
−
| Used in DARKNESS effect
 
−
|- {{removed}}
 
−
| Factor Codec
 
−
| NBT Tag
 
−
| See below
 
−
|}
 
−
 
−
{{Need Info|What exact effect does the blend bit flag have on the client? What happens if it is used on effects besides DARKNESS?}}
 
−
 
−
Within flags:
 
−
 
−
* 0x01: Is ambient - was the effect spawned from a beacon?  All beacon-generated effects are ambient.  Ambient effects use a different icon in the HUD (blue border rather than gray).  If all effects on an entity are ambient, the [[Entity_metadata#Living Entity|"Is potion effect ambient" living metadata field]] should be set to true.  Usually should not be enabled.
 
−
* 0x02: Show particles - should all particles from this effect be hidden?  Effects with particles hidden are not included in the calculation of the effect color, and are not rendered on the HUD (but are still rendered within the inventory).  Usually should be enabled.
 
−
* 0x04: Show icon - should the icon be displayed on the client?  Usually should be enabled.
 
−
* {{change||0x08: Blend - should the effect's hard-coded blending be applied?  Currently only used in the DARKNESS effect to apply extra void fog and adjust the gamma value for lighting.}}
 
−
 
−
{{change|Factor Data|}}
 
−
{| class="wikitable" {{removed}}
 
−
!Name
 
−
!Type
 
−
!style="width: 250px;" colspan="2"| Notes
 
−
|-
 
−
| padding_duration
 
−
| TAG_INT
 
−
|
 
−
|-
 
−
| factor_start
 
−
| TAG_FLOAT
 
−
|
 
−
|-
 
−
| factor_target
 
−
| TAG_FLOAT
 
−
|
 
−
|-
 
−
| factor_current
 
−
| TAG_FLOAT
 
−
|
 
−
|-
 
−
| effect_changed_timestamp
 
−
| TAG_INT
 
−
|-
 
−
| factor_previous_frame
 
−
| TAG_FLOAT
 
−
|-
 
−
| had_effect_last_tick
 
−
| TAG_BOOLEAN
 
 
  |}
 
  |}
  
 
=== Serverbound ===
 
=== Serverbound ===
  
−
==== Cookie Response (play) ====
+
No changes so far.
−
 
 
−
Response to a [[#Cookie_Request_(play)|Cookie Request (play)]] from the server. The Notchian server only accepts responses of up to 5 kiB in size.
 
−
 
 
−
{| class="wikitable" {{added}}
 
−
! Packet ID
 
−
! State
 
−
! Bound To
 
−
! colspan="2"| Field Name
 
−
! colspan="2"| Field Type
 
−
! Notes
 
−
|-
 
−
| rowspan="3"| 0x6A
 
−
| rowspan="3"| Play
 
−
| rowspan="3"| Server
 
−
| colspan="2"| Key
 
−
| colspan="2"| Identifier
 
−
| The identifier of the cookie.
 
−
|-
 
−
| colspan="2"| Has Payload
 
−
| colspan="2"| Boolean
 
−
| The payload is only present if the cookie exists on the client.
 
−
|-
 
−
| colspan="2"| Payload
 
−
| colspan="2"| Optional ByteArray(5120)
 
−
| The data of the cookie, if any.
 
−
|}
 
  
 
[[Category:Minecraft Modern]]
 
[[Category:Minecraft Modern]]

Latest revision as of 10:40, 8 June 2024

This page documents the changes from the last stable Minecraft release (currently 1.20.6, protocol 766) to the current pre-release (currently 1.21-pre2, protocol Snapshot 200). Note that this page contains bleeding-edge information that may not be completely or correctly documented.

One who wishes to commandeer the merging of this into Protocol when an update is made must be sure to respect any changes that may have occurred to the respective packets there.

Contents

Data types

No changes documented so far.

Packets

ID Packet name Documentation
Configuration clientbound
0x0F Clientbound Report Details (configuration) Pre
0x10 Clientbound Server Links (configuration) Pre
Play clientbound
0x7A Clientbound Report Details (play) Pre
0x7B Clientbound Server Links (play) Pre

Handshake

No changes so far.

Status

No changes so far.

Login

No changes so far.

Configuration

Clientbound

Clientbound Report Details (configuration)

Contains a list of key-value text entries that are included in any crash or disconnection report generated during connection to the server.

Packet ID State Bound To Field Name Field Type Notes
0x0F Configuration Client Details Count VarInt (32) The number of details in the following array.
Details Title Array String (128)
Description String (4096)

Clientbound Server Links (configuration)

This packet contains a list of links that the Notchian client will display in the menu available from the pause menu. Link labels can be built-in or custom (i.e., any text).

Packet ID State Bound To Field Name Field Type Notes
0x10 Configuration Client Links Count VarInt The number of links in the following array.
Links Is built-in Array Boolean Determines if the following label is built-in (from enum) or custom (text component).
Label VarInt Enum / Text Component See below.
URL String Valid URL.


ID Name Notes
0 Bug Report Displayed on connection error screen; included as a comment in the disconnection report.
1 Community Guidelines
2 Support
3 Status
4 Feedback
5 Community
6 Website
7 Forums
8 News
9 Announcements

Serverbound

No changes so far.

Play

Clientbound

Clientbound Report Details (play)

Contains a list of key-value text entries that are included in any crash or disconnection report generated during connection to the server.

Packet ID State Bound To Field Name Field Type Notes
0x7A Configuration Client Details Count VarInt (32) The number of details in the following array.
Details Title Array String (128)
Description String (4096)

Clientbound Server Links (play)

This packet contains a list of links that the Notchian client will display in the menu available from the pause menu. Link labels can be built-in or custom (i.e., any text).

Packet ID State Bound To Field Name Field Type Notes
0x7B Configuration Client Links Count VarInt The number of links in the following array.
Links Is built-in Array Boolean Determines if the following label is built-in (from enum) or custom (text component).
Label VarInt Enum / Text Component See below.
URL String Valid URL.
ID Name Notes
0 Bug Report Displayed on connection error screen; included as a comment in the disconnection report.
1 Community Guidelines
2 Support
3 Status
4 Feedback
5 Community
6 Website
7 Forums
8 News
9 Announcements

Serverbound

No changes so far.

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