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unreal-behavior-trees

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Build NPC AI in Unreal Engine 5 with Behavior Trees and Blackboards: composites (Selector/Sequence), tasks, decorators, services, and running the tree from an AIController. Use when creating enemy/NPC AI, BT_/BB_ assets, custom BTTask or BTService nodes, or when the user mentions Behavior Tree, Blackboard, AIController, BTTask, decorator, or service.

When to use

• Use when building enemy/NPC AI: creating a `BT_`/`BB_` asset pair, structuring
• Use when the project has Behavior Tree (`BT_`) and Blackboard (`BB_`) assets and an

When not to use

• engine-agnostic AI concepts (FSM vs BT vs steering)
• pure navigation/pathing math
• simple one-off logic better suited for a small state machine
• projects already using StateTree assets without user confirmation

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