Pre-release protocol
This page documents the changes from the last stable Minecraft release (currently 1.11, protocol 315) to the current pre-release (currently 1.11.2, protocol 316). 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 so far.
Packets
No changes so far.
| ID | Packet name | Documentation | |
|---|---|---|---|
| Handshaking serverbound | |||
| 0x00 | Handshake | Current | Pre |
New/modified data types
Entity Metadata
TippedArrow
Extends Arrow.
Used for both tipped and regular arrows. If not tipped, then color is set to 0 and no tipped arrow particles are used.
| Index | Type | Meaning | Default | |
|---|---|---|---|---|
| 7 | VarInt | Color ( |
||
Statuses:
- 0
- Spawns tipped arrow particle effects, if the color is greater than 0.
Fireworks
Extends Entity.
| Index | Type | Meaning | Default | |
|---|---|---|---|---|
| 6 | Slot | Firework info | Empty | |
| 7 | VarInt | Entity ID of entity which used firework (for elytra boosting) | 0 | |
Pig
Extends Animal.
| Index | Type | Meaning | Default | |
|---|---|---|---|---|
| 13 | Boolean | Has saddle | false | |
| 14 | VarInt | Total time to "boost" with a carrot on a stick for | 0 | |
Whenever a carrot on a stick is used, if the pig is not currently boosting it will start to boost for 140 to 980 (inclusive) ticks. When boost time is changed, a counter is reset which counts up to the boost time, after which boosting will stop. The value remains set at its modified value even after boosting is stopped.
Block Actions
No changes so far.
Plugin Channels
MC|DebugNeighborsUpdate
Server to client
Never sent, but used to debug block updates. Does not render without modifying the client.
| Name | Type | Notes |
|---|---|---|
| Time | Long | World timestamp at which the update occurred. 200 ticks after this timestamp, the given update stops rendering. |
| Location | Position | Location of the block that updated. |
Handshaking
Clientbound
No changes so far.
Serverbound
No changes so far.
Handshake
This causes the server to switch into the target state.
| Packet ID | State | Bound To | Field Name | Field Type | Notes |
|---|---|---|---|---|---|
| 0x00 | Handshaking | Server | Protocol Version | VarInt | See protocol version numbers (currently |
| Server Address | String | Hostname or IP, e.g. localhost or 127.0.0.1, that was used to connect. The Notchian server does not use this information. | |||
| Server Port | Unsigned Short | Default is 25565. The Notchian server does not use this information. | |||
| Next State | VarInt Enum | 1 for status, 2 for login |
Status
Clientbound
No changes so far.
Serverbound
No changes so far.
Login
Clientbound
No changes so far.
Serverbound
No changes so far.
