// Fill out your copyright notice in the Description page of Project Settings.

#include "ABCharacter.h"
#include "ABAnimInstance.h"
#include "DrawDebugHelpers.h"

// Sets default values
AABCharacter::AABCharacter()
{
    ....
    AttackRange = 200.0f;
    AttackRadius = 50.0f;
}

/* ... */

void AABCharacter::AttackCheck()
{
    FHitResult HitResult;
    FCollisionQueryParams Params(NAME_None, false, this);
    bool bResult = GetWorld()->SweepSingleByChannel(
        HitResult,
        GetActorLocation(),
        GetActorLocation() + GetActorForwardVector() * AttackRange,
        FQuat::Identity,
        ECollisionChannel::ECC_GameTraceChannel2,
        FCollisionShape::MakeSphere(AttackRadius),
        Params);

#if ENABLE_DRAW_DEBUG

    FVector TraceVec = GetActorForwardVector() * AttackRange;
    FVector Center = GetActorLocation() + TraceVec * 0.5f;
    float HalfHeight = (AttackRange + AttackRadius) * 0.5f;
    FQuat CapsuleRot = FRotationMatrix::MakeFromZ(TraceVec).ToQuat();
    FColor DrawColor = bResult ? FColor::Green : FColor::Red;
    float DebugLifeTime = 5.0f;

    DrawDebugCapsule(GetWorld(),
        Center,
        HalfHeight,
        AttackRadius,
        CapsuleRot,
        DrawColor,
        false,
        DebugLifeTime);

#endif

    if (bResult)
    {
        if (HitResult.Actor.IsValid())
        {
            ABLOG(Warning, TEXT("Hit Actor Name : %s"), *HitResult.Actor->GetName());
        }
    }

}