[UE] 활 시위 당기기

지난 시간에는 BlendSpace1D를 사용하여 활이 구부러지는것을 구현하였다. 오늘은 활의 SkeletalMesh에 AnimInstance를 만들어 활의 시위가 당겨지는 것을 구현하겠다. CAnimInstance_Bow, CAttachment_Bow, 그리고 CSubAction_Bow는 서로 상속관계가 아니므로  활 시위가 당겨지는 float 변수(여기서는 float Bend)를 만들어 이어줘야 한다.

 

 

목차

 

 

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Plugins
	Weapon
		Resource
			Icon128.png weapon_thumbnail_icon.png
		Source
			Weapon
			SWeaponCheckBoxes.h .cpp SWeaponDetailsView.h .cpp SWeaponDoActionData.h .cpp SWeaponEquipmentData.h .cpp SWeaponHitData.h .cpp SWeaponLeftArea.h .cpp Weapon.Build.cs WeaponAssetEditor.h .cpp WeaponAssetFactory.h .cpp WeaponCommand.h .cpp  WeaponContextMenu.h .cpp WeaponModule.h .cpp WeaponStyle.h .cpp

 

Source
	U2212_06
		Characters
		CAnimInstance.h .cpp CEnemy.h .cpp  CPlayer.h .cpp ICharacter.h .cpp
		Components
		CMontagesComponent.h .cpp  CMovementComponent.h .cpp  CStateComponent.h .cpp CStatusComponent.h .cpp   CWeaponComponent.h .cpp
		Notifies
		CAnimNotifyState_BeginAction.h .cpp  CAnimNotify_CameraShake.h .cpp  CAnimNotifyState_EndAction.h .cpp CAnimNotify_EndState.h .cpp CAnimNotifyState.h .cpp CAnimNotifyState_CameraAnim.h .cpp CAnimNotifyState_Collision.h .cpp  CAnimNotifyState_Combo.h .cpp CAnimNotifyState_Equip.h .cpp CAnimNotifyState_SubAction.h .cpp
		Utilities
		CHelper.h CLog.h .cpp
		Weapons
		CAura.h .cpp CCamerModifier.h .cpp CGhostTrail.h .cpp CRotate_Object.h .cpp CThornObject.h .cpp CAnimInstance_Bow.h .cpp 생성 CAttachment_Bow.h .cpp CDoAction_Around.h .cpp CDoAction_Combo.h .cpp CDoAction_Warp.h .cpp CSubAction_Around.h .cpp CSubAction_Bow.h .cpp CSubAction_Fist.h .cpp CSubAction_Hammer.h .cpp CSubAction_Sword.h .cpp CDoAction_Warp.h .cpp CAttachment.h .cpp CDoAction.h .cpp CEquipment.h .cpp CSubAction.h .cpp CWeaponAsset.h .cpp CWeaponStructures.h .cpp
		Global.h CGameMode.h .cpp U2212_06.Build.cs
		U2212_06.uproject

 

 

 

 

활 시위 당기기

 

 

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CAnimInstance_Bow 생성  +  ABP_ElevenBow

 

새 C++ 클래스 - AnimInstance - CAnimInstance_Bow 생성

 

 

CAnimInstance_Bow.h

#pragma once

#include "CoreMinimal.h"
#include "Animation/AnimInstance.h"
#include "Components/CWeaponComponent.h"
#include "CAnimInstance.generated.h"

UCLASS()
class U2212_06_API UCAnimInstance : public UAnimInstance
{
	GENERATED_BODY()

protected:
    UPROPERTY(BlueprintReadOnly, Category = "Animation")
        float Speed;

    UPROPERTY(BlueprintReadOnly, Category = "Animation")
        float Pitch;

    UPROPERTY(BlueprintReadOnly, Category = "Animation")
        float Direction;

    UPROPERTY(BlueprintReadOnly, Category = "Animation")
        bool bBow_Aiming;

protected:
    UPROPERTY(BlueprintReadOnly, EditAnywhere, Category = "Animation")
        EWeaponType WeaponType = EWeaponType::Max;

public:
    void NativeBeginPlay() override;
    void NativeUpdateAnimation(float DeltaSeconds) override;

private:
    UFUNCTION()
        void OnWeaponTypeChanged(EWeaponType InPrevType, EWeaponType InNewType);

private:
    class ACharacter* OwnerCharacter;
    class UCWeaponComponent* Weapon;

private:
    FRotator PrevRotation;
};

 

 

 

CAnimInstance_Bow.cpp

#include "Weapons/AnimInstances/CAnimInstance_Bow.h"
#include "Global.h"

void UCAnimInstance_Bow::NativeBeginPlay()
{
	Super::NativeBeginPlay();

}

void UCAnimInstance_Bow::NativeUpdateAnimation(float DeltaSeconds)
{
	Super::NativeUpdateAnimation(DeltaSeconds);

}

 

 

 

 

 

ABP_ElevenBow

애니메이션 - 애니메이션 블루프린트 생성 - CAnimInstance_Bow, Skeletal_ElvenBow - ABP_ElevenBow 생성

CAnimInstance_Bow에서 만든 변수 Bend 사용. Bend 변수를 활 시위의 당기는 정도로 사용한다.

 

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CAttachment_Bow

 

 

CAttachment_Bow.h

#pragma once
#include "CoreMinimal.h"
#include "Weapons/CAttachment.h"
#include "CAttachment_Bow.generated.h"

UCLASS()
class U2212_06_API ACAttachment_Bow : public ACAttachment
{
    GENERATED_BODY()

private:
    UPROPERTY(EditDefaultsOnly, Category = "View")
        FVector2D ViewPitchRange = FVector2D(-40, +30);//Pitch 제한각 설정

private:
    UPROPERTY(VisibleAnywhere)
        class USkeletalMeshComponent* SkeletalMesh;

    UPROPERTY(VisibleAnywhere)
        class UPoseableMeshComponent* PoseableMesh;

public:
    float* GetBend();

public:
    ACAttachment_Bow();

protected:
    virtual void BeginPlay() override;

public:
    virtual void Tick(float DeltaTime) override;

public:
    void OnBeginEquip_Implementation() override;
    void OnUnequip_Implementation() override;

private:
    FVector2D OriginViewPitchRange;
};

함수 추가

• float* GetBend();

 

 

 

CAttachment_Bow.cpp

#include "Weapons/Attachments/CAttachment_Bow.h"
#include "Global.h"
#include "Weapons/AnimInstances/CAnimInstance_Bow.h"
#include "Components/SkeletalMeshComponent.h"
#include "Components/PoseableMeshComponent.h"

ACAttachment_Bow::ACAttachment_Bow()
{
	PrimaryActorTick.bCanEverTick = true;//실시간 적용이 되도록 넣어준다. 안 넣어주면 활 시위가 구부러지는것이 업데이트 되지 않을 수도 있다.

	CHelpers::CreateComponent<USkeletalMeshComponent>(this, &SkeletalMesh, "SkeletalMesh", Root);
	CHelpers::CreateComponent<UPoseableMeshComponent>(this, &PoseableMesh, "PoseableMesh", Root);


	USkeletalMesh* mesh;
	CHelpers::GetAsset<USkeletalMesh>(&mesh, "SkeletalMesh'/Game/Character/Weapons/ElvenBow/SK_ElvenBow.SK_ElvenBow'");
	SkeletalMesh->SetSkeletalMesh(mesh);
	SkeletalMesh->SetCollisionProfileName("NoCollision");

	TSubclassOf<UCAnimInstance_Bow> animInstacne;
	CHelpers::GetClass<UCAnimInstance_Bow>(&animInstacne, "AnimBlueprint'/Game/Weapons/Bow/ABP_ElvenBow.ABP_ElvenBow_C'");//ABP_ElvenBow 레퍼런스 복사하여 생성.
	SkeletalMesh->SetAnimInstanceClass(animInstacne);
}

void ACAttachment_Bow::BeginPlay()
{
	Super::BeginPlay();

	AttachTo("Holster_Bow");

	SkeletalMesh->SetVisibility(false);

	PoseableMesh->SetSkeletalMesh(SkeletalMesh->SkeletalMesh);//SkeletalMesh 내의 SkeletalMesh 사용.
	PoseableMesh->CopyPoseFromSkeletalComponent(SkeletalMesh);//포즈를 캡처해둔다.
}

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

	PoseableMesh->CopyPoseFromSkeletalComponent(SkeletalMesh);
}

void ACAttachment_Bow::OnBeginEquip_Implementation()
{
	Super::OnBeginEquip_Implementation();

	AttachTo("Hand_Bow_Left");//Hand_Bow_Left 소켓에 장착.


	APlayerController* controller = OwnerCharacter->GetController<APlayerController>();
	if (!!controller)
	{
		OriginViewPitchRange.X = controller->PlayerCameraManager->ViewPitchMin;
		OriginViewPitchRange.Y = controller->PlayerCameraManager->ViewPitchMax;

		controller->PlayerCameraManager->ViewPitchMin = ViewPitchRange.X;
		controller->PlayerCameraManager->ViewPitchMax = ViewPitchRange.Y;
	}
}

void ACAttachment_Bow::OnUnequip_Implementation()
{
	Super::OnUnequip_Implementation();

	AttachTo("Holster_Bow");//Holster_Bow 소켓에 장착.


	APlayerController* controller = OwnerCharacter->GetController<APlayerController>();
	if (!!controller)
	{
		controller->PlayerCameraManager->ViewPitchMin = OriginViewPitchRange.X;
		controller->PlayerCameraManager->ViewPitchMax = OriginViewPitchRange.Y;
	}
}

float* ACAttachment_Bow::GetBend()
{
	return Cast<UCAnimInstance_Bow>(SkeletalMesh->GetAnimInstance())->GetBend();//UCAnimInstance_Bow 안의 GetBend() 함수로 Bend값 리턴. UCAnimInstance_Bow 안의 Bend값을 사용한다.
}

헤더 추가

• #include "Weapons/AnimInstances/CAnimInstance_Bow.h"

 

ACAttachment_Bow::ACAttachment_Bow()

• PrimaryActorTick.bCanEverTick = true;
  • 실시간 적용이 되도록 넣어준다. 안 넣어주면 활 시위가 구부러지는것이 업데이트 되지 않을 수도 있다.
• TSubclassOf<UCAnimInstance_Bow> animInstacne;
• CHelpers::GetClass<UCAnimInstance_Bow>(&animInstacne, "AnimBlueprint'/Game/Weapons/Bow/ ABP_ElvenBow.ABP_ElvenBow_C'");
  • ABP_ElvenBow 레퍼런스 복사하여 생성.
• SkeletalMesh->SetAnimInstanceClass(animInstacne);

 

float* ACAttachment_Bow::GetBend()

• return Cast<UCAnimInstance_Bow>(SkeletalMesh->GetAnimInstance())->GetBend();
  • UCAnimInstance_Bow 안의 GetBend() 함수로 Bend값 리턴. UCAnimInstance_Bow 안의 Bend값을 사용한다.

 

 

 

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CSubAction_Bow

 

 

CSubAction_Bow.h

#pragma once
#include "CoreMinimal.h"
#include "Weapons/CSubAction.h"
#include "Components/TimelineComponent.h"
#include "CSubAction_Bow.generated.h"

USTRUCT()
struct FAimData
{
    GENERATED_BODY()

public:
    UPROPERTY(EditAnywhere)
        float TargetArmLength = 100;

    UPROPERTY(EditAnywhere)
        FVector SocketOffset = FVector(0, 30, 10);

    UPROPERTY(EditAnywhere)
        bool bEnableCameraLag;

    UPROPERTY(EditAnywhere)
        FVector CameraLocation;
};

UCLASS(Blueprintable)
class U2212_06_API UCSubAction_Bow : public UCSubAction
{
	GENERATED_BODY()

private:
    UPROPERTY(EditAnywhere, Category = "Aiming")
        class UCurveVector* Curve;

    UPROPERTY(EditAnywhere, Category = "Aiming")
        FAimData AimData;

    UPROPERTY(EditAnywhere, Category = "Aiming")
        float AimingSpeed = 200;

public:
    UCSubAction_Bow();

public:
    virtual void Pressed() override;
    virtual void Released() override;

public:
    void BeginPlay(class ACharacter* InOwner, class ACAttachment* InAttachment, class UCDoAction* InDoAction) override;

public:
    void Tick_Implementation(float InDeltaTime) override;

private:
    UFUNCTION()
        void onAiming(FVector Output);

private:
    class USpringArmComponent* SpringArm;
    class UCameraComponent* Camera;

private:
    FTimeline Timeline;
    //SubAction는 Actor가 아니기 때문에 Component를 가질 수 없다. SubAction은 UObject 상속이다.
    //그래서 TimelineComponent가 아닌 Timeline으로 작업한다.

private:
    FAimData OriginData;

private:
    float* Bend;
};

변수 추가

• float Bend;

 

 

 

CSubAction_Bow.cpp

#include "Weapons/SubActions/CSubAction_Bow.h"
#include "Global.h"
#include "GameFramework/Character.h"
#include "GameFramework/PlayerController.h"
#include "GameFramework/SpringArmComponent.h"
#include "Camera/CameraComponent.h"
#include "Components/CStateComponent.h"
#include "Weapons/Attachments/CAttachment_Bow.h"

UCSubAction_Bow::UCSubAction_Bow()
{
	CHelpers::GetAsset<UCurveVector>(&Curve, "CurveVector'/Game/Weapons/Bow/Curve_Aiming.Curve_Aiming'");//Editor에서 만든 CurveVector를 할당한다.
}

void UCSubAction_Bow::Pressed()
{
	CheckTrue(State->IsSubActionMode());
	CheckNull(SpringArm);
	CheckNull(Camera);


	Super::Pressed();

	State->OnSubActionMode();

	OriginData.TargetArmLength = SpringArm->TargetArmLength;
	OriginData.SocketOffset = SpringArm->SocketOffset;
	OriginData.bEnableCameraLag = SpringArm->bEnableCameraLag;
	OriginData.CameraLocation = Camera->GetRelativeLocation();

	SpringArm->TargetArmLength = AimData.TargetArmLength;
	SpringArm->SocketOffset = AimData.SocketOffset;
	SpringArm->bEnableCameraLag = AimData.bEnableCameraLag;
	Camera->SetRelativeLocation(AimData.CameraLocation);
	
	Timeline.PlayFromStart();//Timeline 동작 시작.
}

void UCSubAction_Bow::Released()
{
	CheckFalse(State->IsSubActionMode());
	CheckNull(SpringArm);
	CheckNull(Camera);


	Super::Released();

	State->OffSubActionMode();

	SpringArm->TargetArmLength = OriginData.TargetArmLength;
	SpringArm->SocketOffset = OriginData.SocketOffset;
	SpringArm->bEnableCameraLag = OriginData.bEnableCameraLag;
	Camera->SetRelativeLocation(OriginData.CameraLocation);

	Timeline.ReverseFromEnd();//Timeline 뒤집기
}

void UCSubAction_Bow::BeginPlay(ACharacter* InOwner, ACAttachment* InAttachment, UCDoAction* InDoAction)
{
	Super::BeginPlay(InOwner, InAttachment, InDoAction);

	SpringArm = CHelpers::GetComponent<USpringArmComponent>(InOwner);
	Camera = CHelpers::GetComponent<UCameraComponent>(InOwner);


	FOnTimelineVector timeline;
	timeline.BindUFunction(this, "OnAiming");//OnAiming함수를 묶어서 콜한다.

	Timeline.AddInterpVector(Curve, timeline);
	Timeline.SetPlayRate(AimingSpeed);

	ACAttachment_Bow* bow = Cast<ACAttachment_Bow>(InAttachment);//CAttachment_Bow의 멤버를 사용하기 위해 캐스팅한다.

	if (!!bow)
		Bend = bow->GetBend();//CSubAction_Bow에서 선언한 Bend 변수에 CAttachment_Bow의 Bend값을 GetBend()로 가져와서 넣어준다.
}

void UCSubAction_Bow::Tick_Implementation(float InDeltaTime)
{
	Super::Tick_Implementation(InDeltaTime);

	//TimelineComponent로 사용하는 경우 자기자신이 Tick이 있기 때문에 아래 작업을 안 해도 상관없으나 CSubAction_Bow의 경우 TimelineComponent가 없기 때문에 Tick을 반드시 넣어주어야 한다.
	Timeline.TickTimeline(InDeltaTime);
}

void UCSubAction_Bow::onAiming(FVector Output)
{
	Camera->FieldOfView = Output.X;//조준 활성화와 해제에 앞뒤 ZoomIn&Out에 Output.X값이 쓰인다.

	if (!!Bend)
		*Bend = Output.Y;//에디터의 Curve_Aiming에서 설정한 Y값. 0~100까지 나온다.
}

void UCSubAction_Bow::BeginPlay(ACharacter* InOwner, ACAttachment* InAttachment, UCDoAction* InDoAction)

• if (!!bow)
  Bend = bow->GetBend();
  • CSubAction_Bow에서 선언한 Bend 변수에 CAttachment_Bow의 Bend값을 GetBend()로 가져와서 넣어준다.

 

void UCSubAction_Bow::onAiming(FVector Output)

• Camera->FieldOfView = Output.X;//
  • 조준 활성화와 해제에 앞뒤 ZoomIn&Out에 Output.X값이 쓰인다.
• if (!!Bend)
  *Bend = Output.Y;//에디터의 Curve_Aiming에서 설정한 Y값. 0~100까지 나온다.
  }

 

 

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실행화면

 

 

 

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