[UE] 활 시위 당기기

#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;
};

#include "Weapons/AnimInstances/CAnimInstance_Bow.h"
#include "Global.h"
 
void UCAnimInstance_Bow::NativeBeginPlay()
{
	Super::NativeBeginPlay();
 
}
 
void UCAnimInstance_Bow::NativeUpdateAnimation(float DeltaSeconds)
{
	Super::NativeUpdateAnimation(DeltaSeconds);
 
}

#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;
};

#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.
}

#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;
};

#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.
}