Difference between revisions of "Pre-release protocol"

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(13w38a)
(Updated to 1.21-pre2)
 
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This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently 1.6.2, protocol 74) to the current pre-release. 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.
−
He 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 occured to the respective packets there.
 
  
−
== Protocol History ==
+
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.
−
13w36a - Added sound category byte to 0x3E
 
−
- Changed 0xC8 to a string:int map
 
  
−
13w37b -
+
== Contents ==
  
−
1.6.3 - Terrain fixes to help moving to 1.7, no packet changes from 1.6.2
+
<div style="float:right;">__TOC__</div>
  
−
1.6.4 -
+
=== Data types ===
  
−
13w38a -
+
No changes documented so far.
  
−
== Protocol Version ==
+
=== Packets ===
−
13w38a - 79
 
  
−
1.6.4 - 78
+
{| class="wikitable"
 +
! ID
 +
! Packet name
 +
!colspan="2"| Documentation
 +
|-
 +
!colspan="4"| Configuration clientbound
 +
{{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}}
 +
|-
 +
|}
  
−
1.6.3 - 77
+
== Handshake ==
  
−
13w37b - 76
+
No changes so far.
  
−
13w36a - 75
+
== Status ==
  
−
== New Packets ==
+
No changes so far.
−
None
 
  
−
== Changed Packets ==
+
== Login ==
−
{{anchor|0x3E}}
 
−
=== Named Sound Effect (0x3E) ===
 
−
''Server to client''
 
  
−
Used to play a sound effect on the client.
+
No changes so far.
  
−
All known sound effect names can be seen [https://github.com/SirCmpwn/Craft.Net/blob/master/source/Craft.Net.Common/SoundEffect.cs here].
+
== Configuration ==
  
−
{| class="wikitable"
+
=== Clientbound ===
−
|-
+
 
−
| Packet ID
+
==== Clientbound Report Details (configuration) ====
−
| Field Name
+
 
−
| Field Type
+
Contains a list of key-value text entries that are included in any crash or disconnection report generated during connection to the server.
−
| Example
+
 
−
| Notes
+
{| class="wikitable" {{added}}
−
|-
+
! Packet ID
−
| rowspan="7" | 0x3E
+
! State
−
| Sound name
+
! Bound To
−
| string
+
! colspan="2"| Field Name
−
| step.grass
+
! colspan="2"| Field Type
−
| 250
+
! Notes
−
|-
+
|-
−
| Effect position X
+
| rowspan="3"| 0x0F
−
| int
+
| rowspan="3"| Configuration
−
| 250
+
| rowspan="3"| Client
−
| effect X multiplied by 8
+
| colspan="2"| Details Count
−
|-
+
| colspan="2"| {{Type|VarInt}} (32)
−
| Effect position Y
+
| The number of details in the following array.
−
| int
+
|-
−
| 250
+
| rowspan="2"| Details
−
| effect Y multiplied by 8
+
| Title
−
|-
+
| rowspan="2"| {{Type|Array}}
−
| Effect position Z
+
| {{Type|String}} (128)
−
| int
+
|
−
| 250
+
|-
−
| effect Z multiplied by 8
+
| Description
−
|-
+
| {{Type|String}} (4096)
−
| Volume
+
|
−
| float
+
|}
−
| 9
+
 
−
| 1 is 100%, can be more
+
==== Clientbound Server Links (configuration) ====
−
|-
+
 
−
| Pitch
+
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).
−
| byte
+
 
−
| 1
+
{| class="wikitable" {{added}}
−
| 63 is 100%, can be more
+
! Packet ID
−
|-
+
! State
−
| Sound Category
+
! Bound To
−
| Unsigned byte
+
! colspan="2"| Field Name
−
| 6
+
! colspan="2"| Field Type
−
| Possible values:
+
! Notes
−
MASTER: 0
+
|-
 +
| 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).
 +
|-
 +
| Label
 +
| {{Type|VarInt}} {{Type|Enum}} / {{Type|Text Component}}
 +
| See below.
 +
|-
 +
| URL
 +
| {{Type|String}}
 +
| Valid URL.
 +
|}
 +
 
 +
 
 +
{| class="wikitable" {{added}}
 +
! 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
 +
|  
 +
|-
 +
|}
  
−
MUSIC: 1
+
=== Serverbound ===
  
−
RECORDS: 2
+
No changes so far.
  
−
WEATHER: 3
+
== Play ==
  
−
BLOCKS: 4
+
=== Clientbound ===
  
−
MOBS: 5
+
==== Clientbound Report Details (play) ====
  
−
ANIMALS: 6
+
Contains a list of key-value text entries that are included in any crash or disconnection report generated during connection to the server.
  
−
PLAYERS: 7
+
{| class="wikitable" {{added}}
−
|-
+
! Packet ID
−
| Total Size:
+
! State
−
| colspan="4" | 21 bytes + length of string
+
! Bound To
 +
! colspan="2"| Field Name
 +
! colspan="2"| Field Type
 +
! Notes
 +
|-
 +
| rowspan="3"| 0x7A
 +
| rowspan="3"| Configuration
 +
| rowspan="3"| Client
 +
| colspan="2"| Details Count
 +
| colspan="2"| {{Type|VarInt}} (32)
 +
| The number of details in the following array.
 +
|-
 +
| rowspan="2"| Details
 +
| Title
 +
| rowspan="2"| {{Type|Array}}
 +
| {{Type|String}} (128)
 +
|
 +
|-
 +
| Description
 +
| {{Type|String}} (4096)
 +
|
 
|}
 
|}
  
−
{{anchor|0xC8}}
+
==== Clientbound Server Links (play) ====
−
=== Increment Statistic (0xC8) ===
+
 
−
''Server to Client''
+
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}}
−
|-
+
! Packet ID
−
| Packet ID
+
! State
−
| colspan="2" | Field Name
+
! Bound To
−
| Field Type
+
! colspan="2"| Field Name
−
| Example
+
! colspan="2"| Field Type
−
| Notes
+
! Notes
−
|-
+
|-
−
| rowspan="3" | 0xC8
+
| rowspan="4"| 0x7B
−
| colspan="2" | Count
+
| rowspan="4"| Configuration
−
| int
+
| rowspan="4"| Client
−
| 5
+
| colspan="2"| Links Count
−
| Number of entrys
+
| colspan="2"| {{Type|VarInt}}
−
|-
+
| The number of links in the following array.
−
| Entry
+
|-
−
| Statistic's name
+
| rowspan="3"| Links
−
| string
+
| Is built-in
−
|  
+
| rowspan="3"| {{Type|Array}}
−
|  
+
| {{Type|Boolean}}
−
|-
+
| Determines if the following label is built-in (from enum) or custom (text component).
−
| Entry
+
|-
−
| Amount
+
| Label
−
| int
+
| {{Type|VarInt}} {{Type|Enum}} / {{Type|Text Component}}
−
| 5
+
| See below.
−
| The amount to increase by
+
|-
−
|-
+
| URL
−
| Total Size:
+
| {{Type|String}}
−
| colspan="5" | 9 bytes
+
| Valid URL.
 
|}
 
|}
  
 +
{| class="wikitable" {{added}}
 +
! 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
 +
|
 +
|-
 +
|}
  
−
== Removed Packets ==
+
=== Serverbound ===
−
None
 
  
−
== Plugin Channels ==
+
No changes so far.
  
−
=== MC|RPack ===
+
[[Category:Minecraft Modern]]
−
{| class="wikitable"
 
−
! Field Name !! Field Type !! Example !! Notes
 
−
|-
 
−
| Resource pack URL || UTF8 string || http://example.com/pack.zip ||
 
−
|}
 

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.

Retrieved from "https://wiki.vg/index.php?title=Pre-release_protocol&oldid=19307"