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Patrolling AI

Does anyone know how to create an enemy AI that automatically moves from waypoint to waypoint?

Hello,
With those 3 you would have a good idea :
https://forums.unrealengine.com/showthread.php?25415-Basic-Enemy-AI-(BluePrints-Only)-(Project-Link) by mhousse1247 with enums and
https://forums.unrealengine.com/showthread.php?25073-UPDATED-11-30-A-I-Templates-Bot-Car-amp-Flying-AI / https://forums.unrealengine.com/showthread.php?5553-Create-an-AI-Bot-that-Shoots-Chase-and-Patrols-Tutorial by SilentX (Peter Newton) those ones use behavior tree.