UE5.1.1 C++从0开始(15.作业4个人作业分享)-Toy模板网

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教程链接：https://www.bilibili.com/video/BV1nU4y1X7iQ

好吧这个作业应该是之前写的，但是我发现我没写，后面我又回去自己写了一遍再看代码，感觉上大差不差，各位可以看着我的和老师的还有自己的对比下。

SBTService_CheckHealth.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "BehaviorTree/BTService.h"
#include "SBTService_CheckHealth.generated.h"

/**
 * 
 */
UCLASS()
class ACTIONROGUELIKE_API USBTService_CheckHealth : public UBTService
{
	GENERATED_BODY()
	
protected:
	UPROPERTY(EditAnywhere,Category="AI")
	FBlackboardKeySelector CheckHealthKey;

protected:
	virtual void TickNode(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, float DeltaSeconds) override;
	

};

SBTService_CheckHealth.cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "AI/SBTService_CheckHealth.h"
#include "AIModule/Classes/AIController.h"
#include "AI/SAICharacter.h"
#include "SAttributeComponent.h"
#include "AIModule/Classes/BehaviorTree/BlackboardComponent.h"

void USBTService_CheckHealth::TickNode(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, float DeltaSeconds)
{
	Super::TickNode(OwnerComp, NodeMemory, DeltaSeconds);

	//获得黑板组件，获取上面的键值
	UBlackboardComponent* BlackboardComponent = OwnerComp.GetBlackboardComponent();

	//先获得AI的角色
	//我这里就不像教程写的那样每一步都用一个ensure了
	AAIController* MyController = OwnerComp.GetAIOwner();
	ASAICharacter* AICharacter = Cast<ASAICharacter>(MyController->GetCharacter());
	//拿到我们的attributecomp
	USAttributeComponent* AttributeComp = USAttributeComponent::GetArrtibutes(AICharacter);
	if (AttributeComp->GetHealth()<=50.0f)
	{
		BlackboardComponent->SetValueAsBool(CheckHealthKey.SelectedKeyName, true);
	}
	else {
		BlackboardComponent->SetValueAsBool(CheckHealthKey.SelectedKeyName, false);

	}


}

SBTTask_HealSelf.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "BehaviorTree/BTTaskNode.h"
#include "SBTTask_HealSelf.generated.h"

/**
 * 
 */
UCLASS()
class ACTIONROGUELIKE_API USBTTask_HealSelf : public UBTTaskNode
{
	GENERATED_BODY()

	virtual EBTNodeResult::Type ExecuteTask(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) override;


};

SBTTask_HealSelf.cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "AI/SBTTask_HealSelf.h"
#include "AI/SAICharacter.h"
#include "AIModule/Classes/AIController.h"
#include "SAttributeComponent.h"

EBTNodeResult::Type USBTTask_HealSelf::ExecuteTask(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory)
{
	//获得Controller
	AAIController* MyController = OwnerComp.GetAIOwner();
	//获得Character
	ASAICharacter* MyPawn = Cast<ASAICharacter>(MyController->GetCharacter());
	if (ensure(MyPawn))
	{
		USAttributeComponent* MyAttributeComp = USAttributeComponent::GetArrtibutes(MyPawn);
		MyAttributeComp->ApplyHealthChange(MyPawn, MyAttributeComp->getHealthMax());
		return EBTNodeResult::Succeeded;
	}
	return EBTNodeResult::Failed;
}