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  1. #include "AICharacter.h"
  2. #include "BehaviorTree/BlackboardComponent.h"
  3. #include "BehaviorTree/BehaviorTreeComponent.h"
  4. #include "BehaviorTree/BehaviorTree.h"
  5.  
  6.  
  7. AMyAIController::AMyAIController()
  8. {
  9.     //Initialize the behavior tree and blackboard components
  10.     BehaviorComp = CreateDefaultSubobject<UBehaviorTreeComponent>(TEXT("BehaviorComp"));
  11.  
  12.     BlackboardComp = CreateDefaultSubobject<UBlackboardComponent>(TEXT("BlackboardComp"));
  13. }
  14.  
  15. void AMyAIController::Possess(APawn* Pawn)
  16. {
  17.     Super::Possess(Pawn);
  18.  
  19.     //Get the possessed Pawn. If it\'s the AI Character we created
  20.     //initialize it\'s blackboard and start it\'s corresponding behavior tree
  21.     AAICharacter* AICharacter = Cast<AAICharacter>(Pawn);
  22.     if (AICharacter)
  23.     {
  24.         if (AICharacter->BehaviorTree->BlackboardAsset)
  25.         {
  26.             BlackboardComp->InitializeBlackboard(*(AICharacter->BehaviorTree->BlackboardAsset));
  27.             BehaviorComp->StartTree(*AICharacter->BehaviorTree);
  28.         }
  29.     }
  30. }
  31.  
  32. void AMyAIController::SetSeenTarget(APawn* Pawn)
  33. {
  34.     //Registers the Pawn that the AI has seen in the blackboard
  35.     if (BlackboardComp)
  36.     {
  37.         BlackboardComp->SetValueAsObject(BlackboardKey, Pawn);
  38.     }
  39. }
');