Packet 28
MobEffectPacket
Mob Effect
At the start of the game the server sends any mob effects with _sendAdditionalLevelData() if the joining player saved out with them, and then anytime a mob effect is added, removed, or updated this packet is sent.<br> It is important for player movement simulation to ensure that the following effects are sent for the player or any client predicted vehicle they are in control of:<br> - levitation<br> - slow_falling<br> - jump<br> - movement_speed<br> - movement_slowdown<br> - weaving
HeaderID 28varuint
0Target Runtime IDActorRuntimeID · variable
1Event IDuint8 · 1 byte
2Effect IDvarint32 · variable (up to 5 bytes)
3Effect Amplifiervarint32 · variable (up to 5 bytes)
4Show Particlesboolean · 1 byte
5Effect Duration Ticksvarint32 · variable (up to 5 bytes)
6TickPlayerInputTick · variable
7Ambientboolean · 1 byte
Serialized fields
8 top-level fields0Target Runtime IDActorRuntimeID
- 0Actor Runtime IDCompression
varuint64
1Event IDEnum-as-ValueMobEffectPacketPayload::Eventas
uint8- 0
Invalid - 1
Add - 2
Update - 3
Remove
- 0
- 2Effect IDCompression
varint32 - 3Effect AmplifierCompression
varint32 - 4Show Particles
boolean - 5Effect Duration TicksCompression
varint32 6TickIf this packet is referring to the player or a client predicted vehicle they are in control of, this should be the most recently processed PlayerInputTick from their PlayerAuthInputPacket. Otherwise zero.PlayerInputTick
- 0Input tickIn server authoritative movement mode the client supplies this in PlayerAuthInputPacket. For any client-bound packets containing a tick, the server should supply the tick value corresponding to the most recently processed PlayerAuthInputPacket. This allows the client to adjust any client predictions made while the packet was in flight. If the packet is being sent to the client but not relating to data of the player or a client-predicted vehicle, it can be zero. It is also acceptable to specify zero for players, although this may lead to minor visual flickers and less smooth application of CorrectPlayerMovePredictionPacket.Compression
varuint64
- 7AmbientIf the effect is considered ambient (like the ones applied by Beacons or Conduits)
boolean
Changelog
Stable releases
Changes between stable protocol releases.
No stable release changes are recorded for this packet.
All builds
Changes between consecutive stable releases and preview builds.
No changes are recorded for this packet.