UE5 增强输入 C++版本

直接贴代码：

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

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/Character.h"
#include "InputActionValue.h"
#include "BlasterCharacter.generated.h"


UCLASS()
class BLASTER_API ABlasterCharacter : public ACharacter
{
	GENERATED_BODY()

public:
	
	ABlasterCharacter();

	virtual void Tick(float DeltaTime) override;
	virtual void SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) override;
	void Move(const FInputActionValue& Value);
	void Look(const FInputActionValue& Value);

protected:
	
	virtual void BeginPlay() override;



private:
	UPROPERTY(VisibleAnyWhere, Category = Camera)
		class USpringArmComponent* CameraBoom;
	
	UPROPERTY(VisibleAnyWhere, Category = Camera)
		class UCameraComponent* FollowCamera;

	/** MappingContext */
	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Input, meta = (AllowPrivateAccess = "true"))
		class UInputMappingContext* DefaultMappingContext;

	/** Jump Input Action */
	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Input, meta = (AllowPrivateAccess = "true"))
		class UInputAction* JumpAction;

	/** Move Input Action */
	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Input, meta = (AllowPrivateAccess = "true"))
		class UInputAction* MoveAction;

	/** Look Input Action */
	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Input, meta = (AllowPrivateAccess = "true"))
		class UInputAction* LookAction;

public:	
	
};

根据需要自行删减，需要特别注意的是头文件，包无法识别类类型的时候看一下头文件引入对不对

//.cpp文件

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


#include "Character/BlasterCharacter.h"
#include "GameFramework/SpringArmComponent.h"
#include "Camera/CameraComponent.h"
#include "GameFramework/CharacterMovementComponent.h"
#include "EnhancedInputSubsystems.h"
#include "EnhancedInputLibrary.h"
#include "EnhancedInputComponent.h"


ABlasterCharacter::ABlasterCharacter()
{
	PrimaryActorTick.bCanEverTick = true;
	CameraBoom = CreateDefaultSubobject<USpringArmComponent>(TEXT("CameraBoom"));
	CameraBoom->SetupAttachment(GetMesh());
	CameraBoom->TargetArmLength = 600.f;
	CameraBoom->bUsePawnControlRotation = true;

	FollowCamera = CreateDefaultSubobject<UCameraComponent>(TEXT("FollowCamera"));
	FollowCamera->SetupAttachment(CameraBoom,USpringArmComponent::SocketName);
	FollowCamera->bUsePawnControlRotation = false;

	// 控制旋转器转动时不旋转
	bUseControllerRotationPitch = false;
	bUseControllerRotationRoll = false;
	bUseControllerRotationYaw = false;

	//配置角色移动
	GetCharacterMovement()->bOrientRotationToMovement = true;
	GetCharacterMovement()->RotationRate = FRotator(0.0f, 0.0, 500.0f);

	GetCharacterMovement()->JumpZVelocity = 700.f;
	GetCharacterMovement()->AirControl = 0.35f;
	GetCharacterMovement()->MaxWalkSpeed = 500.f;
	GetCharacterMovement()->MinAnalogWalkSpeed = 20.f;
	GetCharacterMovement()->BrakingDecelerationWalking = 2000.f;

}

// 需要自己配置的
void ABlasterCharacter::BeginPlay()
{
	Super::BeginPlay();

	//添加输入映射上下文
	if (APlayerController* PlayerController = Cast<APlayerController>(Controller))
	{
		if (UEnhancedInputLocalPlayerSubsystem* Subsystem = ULocalPlayer::GetSubsystem<UEnhancedInputLocalPlayerSubsystem>(PlayerController->GetLocalPlayer()))
		{
			Subsystem->AddMappingContext(DefaultMappingContext, 0);
		}
	}
}


void ABlasterCharacter::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);

}


void ABlasterCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{
	 Super::SetupPlayerInputComponent(PlayerInputComponent);

	if(UEnhancedInputComponent* EnhancedInputComponent = CastChecked<UEnhancedInputComponent>(PlayerInputComponent))
	{
		//jump
		EnhancedInputComponent->BindAction(JumpAction, ETriggerEvent::Triggered, this, &ACharacter::Jump);
		EnhancedInputComponent->BindAction(JumpAction, ETriggerEvent::Completed, this, &ACharacter::StopJumping);

		//Moving
		 EnhancedInputComponent->BindAction(MoveAction, ETriggerEvent::Triggered, this, &ABlasterCharacter::Move);
		//Looking
		 EnhancedInputComponent->BindAction(LookAction, ETriggerEvent::Triggered, this, &ABlasterCharacter::Look);
	}

}


void ABlasterCharacter::Move(const FInputActionValue& Value)
{
	// 转为2d向量
	FVector2D MovementVector = Value.Get<FVector2D>();

	if (Controller != nullptr)
	{
		// 找出是哪个方向向前 获取控制旋转
		const FRotator Rotation = Controller->GetControlRotation();
		const FRotator YawRotation(0, Rotation.Yaw, 0);//inPich和inRoll都为0但是yaw 也就是方向取控制旋转的方向//ue坐标系 前面 是x 垂直是z水平 是y
		// 获取向前向量
		const FVector ForwardDirection = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::X);


		//获取向右向量
		const FVector RightDirection = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::Y);

		// add movement 
		AddMovementInput(ForwardDirection, MovementVector.Y);
		AddMovementInput(RightDirection, MovementVector.X);
	}
}

void ABlasterCharacter::Look(const FInputActionValue& Value)
{
	// input is a Vector2D
	FVector2D LookAxisVector = Value.Get<FVector2D>();

	if (Controller != nullptr)
	{
		// add yaw and pitch input to controller
		AddControllerYawInput(LookAxisVector.X);
		AddControllerPitchInput(LookAxisVector.Y);
	}
}

记得在角色蓝图里面配置一下，这些内容是在蓝图中创建的