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Add perception component

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This commit is contained in:
Caleb Buhungiro
2025-09-14 19:47:24 +08:00
parent 1ccb111012
commit 1c1c56ea46
6 changed files with 69 additions and 3 deletions
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41
Source/Crunch/Private/AI/CAIController.cpp
View File

@@ -3,6 +3,7 @@
#include "AI/CAIController.h"
#include "BehaviorTree/BlackboardComponent.h"
#include "Character/CCharacter.h"
#include "Perception/AIPerceptionComponent.h"
#include "Perception/AISenseConfig_Sight.h"
@@ -15,7 +16,7 @@ ACAIController::ACAIController()
SightConfig = CreateDefaultSubobject<UAISenseConfig_Sight>("Sight config");
SightConfig->DetectionByAffiliation.bDetectEnemies = true;
SightConfig->DetectionByAffiliation.bDetectFriendlies = false;
SightConfig->DetectionByAffiliation.bDetectFriendlies = true;
SightConfig->DetectionByAffiliation.bDetectNeutrals = false;
SightConfig->SightRadius = 1000.f;
@@ -24,6 +25,7 @@ ACAIController::ACAIController()
SightConfig->PeripheralVisionAngleDegrees = 100.f;
AIPerceptionComponent->ConfigureSense(*SightConfig);
AIPerceptionComponent->OnTargetPerceptionUpdated.AddDynamic(this, &ThisClass::TargetPerceptionUpdated);
}
void ACAIController::OnPossess(APawn* InPawn)
@@ -40,9 +42,46 @@ void ACAIController::OnPossess(APawn* InPawn)
void ACAIController::BeginPlay()
{
Super::BeginPlay();
RunBehaviorTree(BehaviorTree);
}
void ACAIController::Tick(float DeltaTime)
{
Super::Tick(DeltaTime);
}
void ACAIController::TargetPerceptionUpdated(AActor* TargetActor, FAIStimulus Stimulus)
{
UE_LOG(LogTemp, Warning, TEXT("Saw you"))
// GEngine->AddOnScreenDebugMessage(
// -1, 12.f, FColor::Blue,
// FString::Printf(TEXT("saw you")));
if (Stimulus.WasSuccessfullySensed())
{
if (!GetCurrentTarget()) SetCurrentTarget(TargetActor);
}
else
{
if (GetCurrentTarget() == TargetActor) SetCurrentTarget(nullptr);
}
}
const UObject* ACAIController::GetCurrentTarget() const
{
if (const auto BlackboardComponent{GetBlackboardComponent()})
{
const auto Target{BlackboardComponent->GetValueAsObject(BlackboardTargetName)};
return Target;
}
return nullptr;
}
void ACAIController::SetCurrentTarget(AActor* NewTarget)
{
const auto BlackboardComponent{GetBlackboardComponent()};
if (!BlackboardComponent) return;
if (NewTarget) BlackboardComponent->SetValueAsObject(BlackboardTargetName, NewTarget);
else BlackboardComponent->ClearValue(BlackboardTargetName);
}

13
Source/Crunch/Public/AI/CAIController.h
View File

@@ -4,6 +4,7 @@
#include "CoreMinimal.h"
#include "AIController.h"
#include "Perception/AIPerceptionTypes.h"
#include "CAIController.generated.h"
UCLASS()
@@ -22,9 +23,21 @@ public:
virtual void Tick(float DeltaTime) override;
private:
UPROPERTY(EditDefaultsOnly, Category="AI Behavior")
FName BlackboardTargetName {"Target"};
UFUNCTION()
void TargetPerceptionUpdated(AActor* TargetActor, FAIStimulus Stimulus);
UPROPERTY(EditDefaultsOnly, Category="AI Behavior")
UBehaviorTree* BehaviorTree;
UPROPERTY(VisibleDefaultsOnly, Category="Perception")
UAIPerceptionComponent* AIPerceptionComponent;
UPROPERTY(VisibleDefaultsOnly, Category="Perception")
class UAISenseConfig_Sight* SightConfig;
UFUNCTION()
const UObject* GetCurrentTarget() const ;
void SetCurrentTarget(AActor* NewTarget);
};