TA_Trace.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "Abilities/GameplayAbilityTargetActor.h"
#include "TA_Trace.generated.h"
 
class ACharacter;
class USkeletalMeshComponent;
class UDA_MultiHitProfile;
 
 
// 타겟별 적중 누적 상태 — 카운트, 마지막 적중 시간 추적용.
struct FMultiHitTargetState
{
    int32 Count = 0;
    float LastHitTime = -1.0f;
};
 
 
// Finisher 적중 핸들 — Normal과 분리해서 broadcast (TargetDataReadyDelegate와 동일한 multicast 패턴).
DECLARE_MULTICAST_DELEGATE_OneParam(FFinisherTargetDataDelegate, const FGameplayAbilityTargetDataHandle&);
 
UCLASS(abstract)
class CK_UE_API ATA_Trace : public AGameplayAbilityTargetActor
{
    GENERATED_BODY()
 
public:
    ATA_Trace();
 
    virtual void StartTargeting(UGameplayAbility* Ability) override;
    virtual void ConfirmTargetingAndContinue() override;
    virtual void StopTargeting();
    virtual void Tick(float DeltaSeconds) override;
 
    FORCEINLINE void SetCombatDataLevel(float InCombatDataLevel)
    {
        CombatDataLevel = InCombatDataLevel;
    }
 
    FORCEINLINE void SetTraceChannel(ECollisionChannel InChannel)
    {
        TraceChannel = InChannel;
    }
 
    FORCEINLINE void SetSingleTrace(bool bInSingleTrace)
    {
        bSingleTrace = bInSingleTrace;
    }
 
    FORCEINLINE void SetMaxHitCountPerTarget(int32 InCount)
    {
        MaxHitCountPerTarget = FMath::Max(1, InCount);
    }
 
    FORCEINLINE void SetMultiHitProfile(UDA_MultiHitProfile* InProfile)
    {
        MultiHitProfile = InProfile;
    }
 
    FORCEINLINE void SetOverrideTraceTransform(const FTransform& InTraceTransform)
    {
        OverrideTraceTransform = InTraceTransform;
        bHasOverrideTraceTransform = true;
    }
 
protected:
    virtual void PerformTrace(TArray<FHitResult>& OutHits) PURE_VIRTUAL(ATA_Trace::PerformTrace,);
 
    bool ProcessTraceResults();
 
    FTransform ResolveTraceTransform() const;
    bool IsDebugEnabled() const;
 
    
    
public:
    FFinisherTargetDataDelegate OnFinisherTargetDataDelegate;
    
protected:
    float CombatDataLevel = 1.0f;
    ECollisionChannel TraceChannel;
    bool bSingleTrace = false;
 
    // 다단히트 — State 동안 같은 타겟에 적중 가능한 최대 횟수. 1이면 단발(기존 동작).
    int32 MaxHitCountPerTarget = 1;
    
    UPROPERTY(Transient)
    TObjectPtr<UDA_MultiHitProfile> MultiHitProfile;
 
    // 타겟별 적중 카운트/시간 추적. 기존 HitActors(TSet)를 대체.
    TMap<TWeakObjectPtr<AActor>, FMultiHitTargetState> HitMap;
 
    UPROPERTY(Transient)
    TObjectPtr<ACharacter> Character;
 
    UPROPERTY(Transient)
    TObjectPtr<USkeletalMeshComponent> CharacterMesh;
 
    UPROPERTY(Transient)
    FTransform OverrideTraceTransform = FTransform::Identity;
 
    UPROPERTY(Transient)
    uint8 bHasOverrideTraceTransform : 1 = false;
};