GA_CombatBase.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "GAS/GA/GA_Base.h"
#include "GAS/Attribute/BaseAttributeSet.h"
#include "GA_CombatBase.generated.h"
 
class UAT_Trace;
class UCombatDataBase;
class UAudioEmitterComponent;
struct FCombatHitData;
struct FCombatHitPayload;
struct FCombatEffectData;
struct FKnockbackData;
 
UCLASS()
class CK_UE_API UGA_CombatBase : public UGA_Base
{
    GENERATED_BODY()
 
public:
    virtual void OnGiveAbility(const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilitySpec& Spec) override;
    virtual void EndAbility(const FGameplayAbilitySpecHandle Handle, const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilityActivationInfo ActivationInfo, bool bReplicateEndAbility, bool bWasCancelled) override;
 
protected:
    virtual void ApplyCombatData();
 
    void SetupHitCheckListener();
 
    UFUNCTION()
    void OnHitCheckStart(FGameplayEventData Payload);
 
    UFUNCTION()
    void OnHitCheckEnd(FGameplayEventData Payload);
 
    UFUNCTION()
    void OnTraceResultCallback(const FGameplayAbilityTargetDataHandle& TargetDataHandle, float CombatDataLevel, int32 CombatHitDataIndex);
 
    // 다단히트 마지막 적중(Finisher) 콜백 — Finisher 비율 + HitStop + 넉백 발동
    UFUNCTION()
    void OnFinisherResultCallback(const FGameplayAbilityTargetDataHandle& TargetDataHandle, float CombatDataLevel, int32 CombatHitDataIndex);
 
    virtual TOptional<FTransform> GetTraceTransformForHitCheck() const;
 
    void ApplyEffectsToSelf(const FGameplayAbilitySpecHandle Handle, const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilityActivationInfo ActivationInfo);
 
    FCombatHitPayload BuildCombatHitPayload(const FCombatHitData& HitData, float DamageMultiplier, bool bRequestKnockback);
 
    TArray<FGameplayEffectSpecHandle> BuildCombatEffectSpecs(const FCombatHitData& HitData, float DamageMultiplier);
 
    FGameplayEffectSpecHandle BuildEffectSpec(const FCombatEffectData& EffectData, float CombatDataLevel);
 
    // Audio
    void PlayCombatHitAudio(const FVector& HitLocation);
    void CacheAudioTagComponents();
 
    const FKnockbackData* FindKnockbackData(const FCombatHitData& HitData) const;
 
    // 적중 시 Camera Shake/HitStop
    void NotifyCameraHitConfirmed() const;
 
    // 소유 캐릭터의 Attack_Speed 어트리뷰트 값을 반환 (몽타주 Rate로 사용)
    float GetAttackSpeedRate() const;
 
    // 플레이어 기본 공격 보정 범위 내 적을 Motion Warping으로 무기 공격 범위까지 보정.
    void UpdateAttackWarpTargetForRange(FName WarpTargetName = FName("Target"));
    void UpdateAttackWarpTargetForRange(FName WarpTargetName, ITargetableInterface* Target);
 
protected:
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Data")
    TObjectPtr<UCombatDataBase> CombatData;
 
    UPROPERTY(Transient)
    float AttackRange = 450.0f;
 
    UPROPERTY(Transient)
    float AttackRangeCorrectionDistance = 250.0f;
 
    UPROPERTY(Transient)
    float AttackRangeCorrectionInnerOffset = 30.0f;
 
    UPROPERTY(Transient)
    TObjectPtr<UAT_Trace> ActiveTraceTask;
 
    UPROPERTY(Transient)
    TArray<TSubclassOf<UGameplayEffect>> SelfEffectClasses;
 
    UPROPERTY(Transient)
    FGameplayTag WeaponHitCueTag;
 
    UPROPERTY(Transient)
    TArray<TObjectPtr<UAudioEmitterComponent>> CachedAudioTagComponents;
 
private:
    bool bMovementRotationOverridden = false;
    bool bCachedOrientRotationToMovement = true;
    bool bCachedUseControllerDesiredRotation = false;
};