AI Controller Source

AMyAIController::AMyAIController()
{
    //Initialize BehaviorTreeComponent, BlackboardComponent and the corresponding key

    BehaviorComp = CreateDefaultSubobject<UBehaviorTreeComponent>(TEXT("BehaviorComp"));

    BlackboardComp = CreateDefaultSubobject<UBlackboardComponent>(TEXT("BlackboardComp"));

    LocationToGoKey = "LocationToGo";

}

void AMyAIController::Possess(APawn* Pawn)
{
    Super::Possess(Pawn);

    //Get the possessed Character and check if it's my own AI Character
    AAICharacter* AIChar = Cast<AAICharacter>(Pawn);

    if (AIChar)
    {
        //If the blackboard is valid initialize the blackboard for the corresponding behavior tree
        if (AIChar->BehaviorTree->BlackboardAsset)
        {
            BlackboardComp->InitializeBlackboard(*(AIChar->BehaviorTree->BlackboardAsset));
        }

        /*Populate the array of available bot target points
        The following function needs a TArray of AActors, that's why I declared the
        BotTargetPoints as such. When I will need to get an exact point and compare it,
        I will cast it to the corresponding class (ABotTargetPoint)*/
        UGameplayStatics::GetAllActorsOfClass(GetWorld(), ABotTargetPoint::StaticClass(), BotTargetPoints);

        //Start the behavior tree which corresponds to the specific character
        BehaviorComp->StartTree(*AIChar->BehaviorTree);
    }
}