Difference between revisions of "Pre-release protocol"

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(TippedArrow metadata; MC|DebugNeighborUpdates)
(Updated to 1.21-pre2)
 
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This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently [[Protocol version numbers|1.11, protocol 315]]) to the current pre-release (currently [[Protocol version numbers|1.11.2, protocol 316]]). 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 ===
−
 
−
No changes so far.
 
  
 
{| class="wikitable"
 
{| class="wikitable"
Line 20: Line 18:
 
  !colspan="2"| Documentation
 
  !colspan="2"| Documentation
 
  |-
 
  |-
−
  !colspan="4"| Handshaking serverbound
+
  !colspan="4"| Configuration clientbound
−
  {{PacketList|0x00|Handshake}}
+
  {{PacketList|0x0F|Clientbound Report Details (configuration)|rel=added}}
 +
{{PacketList|0x10|Clientbound Server Links (configuration)|rel=added}}
 +
|-
 +
!colspan="4"| Play clientbound
 +
{{PacketList|0x7A|Clientbound Report Details (play)|rel=added}}
 +
{{PacketList|0x7B|Clientbound Server Links (play)|rel=added}}
 
  |-
 
  |-
 
|}
 
|}
  
−
== New/modified data types ==
+
== Handshake ==
 +
 
 +
No changes so far.
  
−
=== Entity Metadata ===
+
== Status ==
  
−
=== TippedArrow ===
+
No changes so far.
  
−
Extends [[#Arrow|Arrow]].
+
== Login ==
  
−
Used for both tipped and regular arrows.  If not tipped, then color is set to 0 and no tipped arrow particles are used.
+
No changes so far.
  
−
{| class="wikitable"
+
== Configuration ==
−
! Index
 
−
! Type
 
−
!style="width: 250px;" colspan="2"| Meaning
 
−
! Default
 
−
|-
 
−
| 7
 
−
| VarInt
 
−
|colspan="2"| Color ({{Change|0|-1}} for no particles)
 
−
| {{Change|0|-1}}
 
−
|}
 
  
−
Statuses:
+
=== Clientbound ===
−
;0
 
−
:Spawns tipped arrow particle effects, if the color is greater than 0.
 
  
−
=== Fireworks ===
+
==== Clientbound Report Details (configuration) ====
  
−
Extends [[Entities#Entity|Entity]].
+
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"
+
{| class="wikitable" {{added}}
−
  ! Index
+
  ! Packet ID
−
  ! Type
+
  ! State
−
  !style="width: 250px;" colspan="2"| Meaning
+
! Bound To
−
  ! Default
+
! colspan="2"| Field Name
 +
! colspan="2"| Field Type
 +
  ! Notes
 +
|-
 +
| rowspan="3"| 0x0F
 +
| rowspan="3"| Configuration
 +
| rowspan="3"| Client
 +
| colspan="2"| Details Count
 +
| colspan="2"| {{Type|VarInt}} (32)
 +
  | The number of details in the following array.
 
  |-
 
  |-
−
  | 6
+
  | rowspan="2"| Details
−
  | [[Slot]]
+
  | Title
−
  |colspan="2"| Firework info
+
  | rowspan="2"| {{Type|Array}}
−
  | Empty
+
| {{Type|String}} (128)
 +
  |
 
  |-
 
  |-
−
  |style="background-color: #d9ead3;"| 7
+
  | Description
−
  |style="background-color: #d9ead3;"| VarInt
+
  | {{Type|String}} (4096)
−
|colspan="2" style="background-color: #d9ead3;"| Entity ID of entity which used firework (for elytra boosting)
+
  |
−
  |style="background-color: #d9ead3;"| 0
+
|}
−
|}
 
  
−
=== Pig ===
+
==== Clientbound Server Links (configuration) ====
  
−
Extends [[Entities#Animal|Animal]].
+
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"
+
{| class="wikitable" {{added}}
−
  ! Index
+
  ! Packet ID
−
  ! Type
+
  ! State
−
  !style="width: 250px;" colspan="2"| Meaning
+
! Bound To
−
  ! Default
+
! colspan="2"| Field Name
 +
! colspan="2"| Field Type
 +
  ! Notes
 +
|-
 +
| rowspan="4"| 0x10
 +
| rowspan="4"| Configuration
 +
| rowspan="4"| Client
 +
| colspan="2"| Links Count
 +
| colspan="2"| {{Type|VarInt}}
 +
| The number of links in the following array.
 +
|-
 +
| rowspan="3"| Links
 +
| Is built-in
 +
| rowspan="3"| {{Type|Array}}
 +
  | {{Type|Boolean}}
 +
| Determines if the following label is built-in (from enum) or custom (text component).
 
  |-
 
  |-
−
  | 13
+
  | Label
−
  | Boolean
+
  | {{Type|VarInt}} {{Type|Enum}} / {{Type|Text Component}}
−
|colspan="2"| Has saddle
+
  | See below.
−
  | false
 
 
  |-
 
  |-
−
  |style="background-color: #d9ead3;"| 14
+
  | URL
−
  |style="background-color: #d9ead3;"| VarInt
+
  | {{Type|String}}
−
  |colspan="2" style="background-color: #d9ead3;"| Total boost time
+
  | Valid URL.
−
|style="background-color: #d9ead3;"| 0
+
|}
−
|}
 
  
−
== Block Actions ==
 
  
−
No changes so far.
+
{| class="wikitable" {{added}}
−
 
+
! ID
−
== Plugin Channels ==
 
−
 
 
−
=== <code>MC|DebugNeighborsUpdate</code> ===
 
−
''Server to client''
 
−
 
 
−
{{Change||Never sent, but used to debug block updates.  Does not render without modifying the client.}}
 
−
 
 
−
{|class="wikitable" style="background-color: #d9ead3;"
 
 
  ! Name
 
  ! Name
−
! Type
 
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
−
  | Time
+
  | 0
−
  | Long
+
  | Bug Report
−
  | World timestamp at which the update occurred.  200 ticks after this timestamp, the given update stops rendering.
+
  | 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
 +
|
 
  |-
 
  |-
−
| Location
 
−
| Position
 
−
| Location of the block that updated.
 
 
  |}
 
  |}
  
−
== Handshaking ==
+
=== Serverbound ===
−
 
 
−
=== Clientbound ===
 
  
 
No changes so far.
 
No changes so far.
  
−
=== Serverbound ===
+
== Play ==
  
−
No changes so far.
+
=== Clientbound ===
  
−
==== Handshake ====
+
==== Clientbound Report Details (play) ====
  
−
This causes the server to switch into the target state.
+
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"
+
{| class="wikitable" {{added}}
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
−
  ! Field Name
+
  ! colspan="2"| Field Name
−
  ! Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
−
  |rowspan="4"| 0x00
+
  | rowspan="3"| 0x7A
−
  |rowspan="4"| Handshaking
+
  | rowspan="3"| Configuration
−
  |rowspan="4"| Server
+
  | rowspan="3"| Client
−
  | Protocol Version
+
  | colspan="2"| Details Count
−
  | VarInt
+
  | colspan="2"| {{Type|VarInt}} (32)
−
| See [[protocol version numbers]] (currently {{change|315|316}})
+
| The number of details in the following array.
 
  |-
 
  |-
−
  | Server Address
+
  | rowspan="2"| Details
−
  | String
+
  | Title
−
  | Hostname or IP, e.g. localhost or 127.0.0.1, that was used to connect.  The Notchian server does not use this information.
+
  | rowspan="2"| {{Type|Array}}
−
|-
+
  | {{Type|String}} (128)
−
  | Server Port
+
  |
−
| Unsigned Short
 
−
  | Default is 25565.  The Notchian server does not use this information.
 
 
  |-
 
  |-
−
  | Next State
+
  | Description
−
  | VarInt Enum
+
  | {{Type|String}} (4096)
−
  | 1 for [[#Status|status]], 2 for [[#Login|login]]
+
  |
−
|}
+
|}
  
−
== Status ==
+
==== Clientbound Server Links (play) ====
  
−
=== Clientbound ===
+
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).
  
−
No changes so far.
+
{| class="wikitable" {{added}}
 +
! Packet ID
 +
! State
 +
! Bound To
 +
! colspan="2"| Field Name
 +
! colspan="2"| Field Type
 +
! Notes
 +
|-
 +
| rowspan="4"| 0x7B
 +
| rowspan="4"| Configuration
 +
| rowspan="4"| Client
 +
| colspan="2"| Links Count
 +
| colspan="2"| {{Type|VarInt}}
 +
| The number of links in the following array.
 +
|-
 +
| rowspan="3"| Links
 +
| Is built-in
 +
| rowspan="3"| {{Type|Array}}
 +
| {{Type|Boolean}}
 +
| Determines if the following label is built-in (from enum) or custom (text component).
 +
|-
 +
| Label
 +
| {{Type|VarInt}} {{Type|Enum}} / {{Type|Text Component}}
 +
| See below.
 +
|-
 +
| URL
 +
| {{Type|String}}
 +
| Valid URL.
 +
|}
  
−
=== Serverbound ===
+
{| class="wikitable" {{added}}
−
 
+
! ID
−
No changes so far.
+
! Name
−
 
+
! Notes
−
== Login ==
+
|-
−
 
+
| 0
−
=== Clientbound ===
+
| Bug Report
−
 
+
| Displayed on connection error screen; included as a comment in the disconnection report.
−
No changes so far.
+
|-
 +
| 1
 +
| Community Guidelines
 +
|
 +
|-
 +
| 2
 +
| Support
 +
|
 +
|-
 +
| 3
 +
| Status
 +
|
 +
|-
 +
| 4
 +
| Feedback
 +
|
 +
|-
 +
| 5
 +
| Community
 +
|
 +
|-
 +
| 6
 +
| Website
 +
|
 +
|-
 +
| 7
 +
| Forums
 +
|
 +
|-
 +
| 8
 +
| News
 +
|
 +
|-
 +
| 9
 +
| Announcements
 +
|
 +
|-
 +
|}
  
 
=== Serverbound ===
 
=== Serverbound ===

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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