Interaction Packets

Packets in the com.hypixel.hytale.protocol.packets.interaction package.

NPC Mounting

Bound: Clientbound

Instructs the client to attach an entity (rider) to another entity (mount).

Field	Type	Notes
`mountId`	`Int`	Entity ID of the vehicle/mob.
`riderId`	`Int`	Entity ID of the passenger.
`seatIndex`	`Int`	Which seat to occupy (for multi-seat vehicles).

Bound: Clientbound

Detaches a rider from their mount.

Field	Type	Notes
`riderId`	`Int`	The entity dismounting.

Hytale uses "Interaction Chains" for actions that take time or have multiple steps (e.g., helping a player up, opening a heavy door).

Bound: Clientbound

Synchronizes the state of an ongoing interaction.

Field	Type	Notes
`entityId`	`Int`	The entity performing the interaction.
`targetId`	`Int`	The target entity (if any).
`interactionId`	`String`	Registry ID of the interaction type.
`state`	`Byte`	`0`=Start, `1`=Update, `2`=End.

Bound: Clientbound

Triggers a one-off visual interaction animation.

Bound: Bidirectional

Cancels the current action (e.g., player released the key).