ExplosiveProjectile.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "Data/Combat/PatternWarningDecalData.h"
#include "Projectile/DefaultProjectiles.h"
#include "ExplosiveProjectile.generated.h"
 
class UPatternWarningDecalComponent;
 
UCLASS(Blueprintable, BlueprintType)
class CK_UE_API AExplosiveProjectile : public ASphereShapeProjectile
{
    GENERATED_BODY()
 
public:
    AExplosiveProjectile();
 
protected:
    virtual void BeginPlay() override;
    virtual void OnLaunched(AActor* LauncherOwner, const FVector& InStart, const FVector& InDirectionOrTarget) override;
    virtual void OnFinished(FVector TerminatedPosition, const AActor* Terminator, EProjectileFinishReason FinishReason) override;
    virtual void OnSpawnFromPool_Implementation() override;
    virtual void OnReturnToPool_Implementation() override;
 
    UFUNCTION(BlueprintImplementableEvent, Category = "Projectile|Explosion")
    void PlayExplosionEffects(FVector ExplosionLocation);
 
private:
    UFUNCTION()
    void OnProjectileArrived();
 
    void OnFlightTimeout();
    void ClearFlightTimeout();
    
    // 데칼
    void StartLandingWarning(const FVector& TargetLocation) const;
    void StopLandingWarning(EProjectileFinishReason FinishReason) const;
    
    // 충돌(Overlap) 처리
    void TriggerExplosion(const FVector& ExplosionLocation);
 
protected:
    UPROPERTY(EditDefaultsOnly, Category = "Projectile|Explosion", meta = (ClampMin = "0.0", Units = "cm"))
    float ExplosionRadius = 250.0f;
 
    UPROPERTY(EditDefaultsOnly, Category = "Projectile|Explosion")
    TEnumAsByte<ECollisionChannel> ExplosionTraceChannel;
    
    UPROPERTY(EditDefaultsOnly, Category = "Projectile|Explosion|Warning")
    FPatternWarningDecalSettings WarningDecalSettings;
 
    UPROPERTY(EditDefaultsOnly, Category = "Projectile|Flight", meta = (ClampMin = "0.0", Units = "s"))
    float MaxFlightDuration = 5.0f;
 
    UPROPERTY(VisibleAnywhere, Category = "Projectile|Explosion|Warning")
    TObjectPtr<UPatternWarningDecalComponent> WarningDecalComponent;
 
private:
    bool bExplosionTriggered = false;
    FTimerHandle FlightTimeoutTimerHandle;
};