AI control both NPC and car

Development World Creation
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1

I want to make the NPC do the following tasks: From certain point move to a car and enter the car (with animation), then the car move in a pre-determined path.
I found this tutorial to get some ideas, but it’s for player controller. I’ve followed some AI tutorials on YouTube but most of them focus on character AI.

I mainly have following questions:

  1. How to change the pawn the AI
    controller posses？

  2. Since I want the
    NPC to perform continuous behaviors,
    it’s easy to have a intension to add
    certain tasks in BT, but the BT will
    be used for both NPC character and
    the car and this seems impossible.

  3. What other things should I consider?

  4. Is there any tutorial that might be
    helpful?

  5. I’ve seen several vehicle
    AI plug-in in the Unreal market, is
    there any recommendation that might
    be suitable for this task?

I’m a beginner for UE4 so please forgive me if I make some silly mistakes or have any misconception.

2

Hi,

I implemented this using the following high level concept:

  • the npc human character and the vehicle have seperate BT
  • the character spawns when leaving the vehicle and unspawns (destroy actor) when entering. When it spawns it stores a link to the vehicle in order to find it back later on.
  • the vehicle BT has a status parked which is changed to “drive” again when a characters enters the vehicle