Wormwood Lightflierbrain

Based on game build 714014 | Last updated: 2026-02-27

Overview

Wormwood_LightFlierBrain is a brain component that defines the behavior tree for the Wormwood Lightflier entity in Don't Starve Together. It extends the base Brain class and implements custom logic in OnStart to coordinate movement speed changes and panic responses. When activated, it sets the walkspeed property of the locomotor component and disables direct drive mode to allow behavior-driven movement. The behavior tree prioritizes panic handling (via Panic, BrainCommon.PanicTrigger, and BrainCommon.ElectricFencePanicTrigger) while falling back to enabling direct drive when no panic condition is active.

Usage example

local inst = GLOBAL.Creatura(...)
inst:AddBrain("wormwood_lightflierbrain")
-- The brain automatically initializes its behavior tree during OnStart()
-- when the entity is spawned and the brain component is assigned.

Dependencies & tags

Components used:

• locomotor: read/write access to walkspeed and directdrive properties. Tags: None identified.

Properties

Property	Type	Default Value	Description
inst	ent	nil (inherited)	The entity instance this brain belongs to; inherited from Brain._ctor.
bt	BT	nil (assigned in OnStart)	The behavior tree instance created using PriorityNode, ParallelNode, ActionNode, EventNode, and WaitNode.

Main functions

OnStart()

• Description: Initializes the entity's behavior tree (self.bt) during brain activation. Configures a hierarchical node structure to prioritize panic responses and adjust locomotor speed when panic is active. On entry to the fallback path, it re-enables direct drive mode for external movement control.
• Parameters: None.
• Returns: nil.
• Error states: None documented; assumes required components (locomotor) and constants (TUNING.LIGHTFLIER.WALK_SPEED) are available.

Events & listeners

• Listens to: panic — triggers a ParallelNode combining Panic behavior and a 6-second wait.
• Pushes: None — the brain does not fire custom events itself (it uses existing Panic and BrainCommon triggers that may push internally).

Note: The EventNode(self.inst, "panic", ...) listener is registered as part of the behavior tree definition in OnStart, not via inst:ListenForEvent. Event-driven nodes inside behavior trees use internal BT mechanisms, not the global event system.