StateTree Integration

Documentation Unreal Engine AI StateTree

Guide to StateTree tasks, structure, and integration with the combat system.

Available StateTree Tasks

Task	Purpose	When to Use
`STTask_BuildDecisionContext`	Gathers combat data	Every tick in root state
`STTask_AIMovement`	Evaluates and applies movement	Every tick in root state
`STTask_PollAction`	Scores and selects action	On entering decision state
`STTask_DoAction`	Executes chosen action	On entering execute state
`STTask_UpdateActionSet`	Swaps ActionSet	When changing AI behavior

Typical StateTree Structure

Root (Always Active)
├─ BuildDecisionContext [Tick]
├─ AIMovement [Tick]
│
├─ Idle State
│  └─ Transition → Combat (when target acquired)
│
└─ Combat State
   ├─ Decision State
   │  ├─ PollAction [Enter]
   │  └─ Transition → Execute (when action chosen)
   │
   └─ Execute State
      ├─ DoAction [Enter]
      └─ Transition → Decision (when complete)