For better or worse, Fortnite will let creators make NPCs that ditch the script and go freestyle. A new tool in the Unreal Editor for Fortnite (UEFN) will allow developers to create their own generative AI-powered NPCs. Their voice types, delivery styles and personality traits are all customizable.
Epic demoed the tech on Tuesday during its “State of Unreal” keynote. The company said the NPC generated its responses in real-time during the presentation. It was created using “about 20 lines” of prompt text.
The demoed character, Mr. Buttons, was created solely to persuade the player to press a large red button in a room. After the presenter asked about the signs
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