CameraBehaviorComponent.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Components/ActorComponent.h"
#include "Data/Settings/GlobalUserSettingsRuntime.h"
#include "Interface/Camera/CameraBehaviorInterface.h"
#include "CameraBehaviorComponent.generated.h"
 
class UCameraTargetingComponent;
class APawn;
struct FGameplayTag;
 
 
UENUM(BlueprintType)
enum class ECameraBehaviorMode : uint8
{
    VelocityDirection,
    LookingDirection,
    Aiming
};
 
UENUM(BlueprintType)
enum class ECameraGait : uint8
{
    Walking,
    Running
};
 
USTRUCT(BlueprintType)
struct FCameraBehaviorValues
{
    GENERATED_BODY()
 
public:
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Camera|Behavior", meta = (ClampMin = "0.0"))
    FVector LocationLagSeconds = FVector(0.067f, 0.067f, 0.067f);
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Camera|Behavior", meta = (ClampMin = "0.0"))
    FVector RotationLagSeconds = FVector(0.05f, 0.05f, 0.05f);
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Camera|Behavior")
    float PlayerRotationLagSeconds = 0.15f;
};
 
 
UCLASS(ClassGroup=(Camera), meta=(BlueprintSpawnableComponent))
class CK_UE_API UCameraBehaviorComponent : public UActorComponent, public ICameraBehaviorInterface
{
    GENERATED_BODY()
 
public:
    UCameraBehaviorComponent();
 
public:
    virtual void BeginPlay() override;
    virtual void UpdateCameraBehavior(AGameCameraManager* CameraManager, float DeltaTime) override;
 
    bool IsCameraLockingOn(const AGameCameraManager* CameraManager) const;
    bool IsActivatedCorrection(const UCameraBehaviorComponent* BehaviorComponent, APawn*& OwnerPawn);
    FRotator CalculateFinalCameraRotation(const AGameCameraManager* CameraManager, float DeltaTime, const FVector& TargetRotationLagSeconds, const FRotator& BaseCameraRotation) const;
 
    APawn* GetCameraOwnerPawn() const;
    AActor* GetCameraSubjectActor() const;
    UCameraTargetingComponent* GetTargetingComponent() const;
 
public:
    UFUNCTION(BlueprintPure, Category = "Camera|Behavior")
    FVector GetLocalOffset() const;
 
    UFUNCTION(Blueprintable)
    void ResetCameraCorrection();
 
public:
    UFUNCTION(BlueprintPure, Category = "Camera|Behavior")
    FORCEINLINE bool ShouldApplyCameraCorrection() const
    {
        return bUseCameraCorrection && GetCameraSubjectActor() != nullptr;
    }
 
    UFUNCTION(BlueprintPure, Category = "Camera|Behavior")
    FORCEINLINE FVector GetGlobalOffset() const
    {
        return CameraGlobalOffset;
    }
 
    UFUNCTION(BlueprintPure, Category = "Camera|Behavior")
    FORCEINLINE FVector GetPivotLagSeconds() const
    {
        return CameraBehavior.LocationLagSeconds;
    }
 
    UFUNCTION(BlueprintPure, Category = "Camera|Behavior")
    FORCEINLINE FVector GetRotationLagSeconds() const
    {
        return CameraBehavior.RotationLagSeconds;
    }
 
    UFUNCTION(BlueprintPure, Category = "Camera|Behavior")
    FORCEINLINE FRotator GetSmoothPlayerRotation() const
    {
        return PlayerSmoothedRotation;
    }
 
    UFUNCTION(BlueprintPure, Category = "Camera|Behavior")
    FORCEINLINE FVector2D GetMouseSensitivity() const
    {
        const FGlobalUserSettingsRuntime& UserSettings = GetGlobalUserSettingsRuntime();
        return FVector2D(UserSettings.MouseXSensitivity, UserSettings.bInvertYAxis ? -UserSettings.MouseYSensitivity : UserSettings.MouseYSensitivity);
    }
 
private:
    bool HasSubjectGameplayTag(FGameplayTag Tag) const;
 
protected:
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Camera|Behavior")
    bool bUseCameraCorrection = true;
 
    //Base Distance에 포함되지 않는 별도의 Pivot Offset
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Camera|Behavior")
    FVector CameraGlobalOffset = FVector(0.0f, 0.0f, 60.0f);
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Camera|Behavior")
    FVector CameraLocalOffset = FVector::ZeroVector;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Camera|Behavior")
    float CameraMinFOV = 60.0f;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Camera|Behavior")
    float CameraMaxFOV = 110.0f;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Camera|Behavior", meta = (ClampMin = "0.0", ClampMax = "60.0", Units = "deg"))
    float RunFOVOffset = 5.0f;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Camera|Behavior", meta = (ClampMin = "0.0", Units = "s"))
    float RunFOVBlendSeconds = 0.2f;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Camera|Behavior")
    FCameraBehaviorValues CameraBehavior;
 
private:
    bool bHasCameraCorrection = false;
    bool bMovementStopped = false;
    bool bRotationStopped = false;
 
    FVector FrozenPivotLocation = FVector::ZeroVector;
    FVector LastEffectivePivotLocation = FVector::ZeroVector;
    FRotator FrozenCameraRotation = FRotator::ZeroRotator;
    FRotator LastFinalCameraRotation = FRotator::ZeroRotator;
 
    FRotator PlayerSmoothedRotation = FRotator::ZeroRotator;
    FRotator CamSmoothedRotation = FRotator::ZeroRotator;
    FVector CamSmoothedPivotLocation = FVector::ZeroVector;
    float CurrentRunFOVOffset = 0.0f;
};