EncounterField.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "CK_UE.h"
#include "Interactable/InteractableActor.h"
#include "Interface/Level/StageEventListenerInterface.h"
#include "EncounterField.generated.h"
 
class UStageEventSenderComponent;
class UStageEventListenerComponent;
class UEnemySpawnDirectorSystemComponent;
class UEnemySpawnerComponent;
class AEnemyCharacterBase;
struct FWaveSpawnData;
 
 
UCLASS(Blueprintable, BlueprintType)
class CK_UE_API AEncounterField : public AActor, public IStageEventListenerInterface
{
    GENERATED_BODY()
 
public:
    AEncounterField();
 
public:
    UFUNCTION(BlueprintCallable, Category = "EncounterField")
    void StartEncounter();
 
    UFUNCTION(BlueprintCallable, Category = "EncounterField")
    void DeactivateEncounter();
 
public:
    UFUNCTION(BlueprintPure, Category = "EncounterField")
    virtual UStageEventListenerComponent* GetEventListenerComponent() const override
    {
        return EventListenerComponent;
    }
 
    UFUNCTION(BlueprintPure, Category = "EncounterField")
    virtual EStageEvent GetStageEvent() const override
    {
        return EStageEvent::EncounterField;
    }
 
    UFUNCTION(BlueprintPure, Category = "EncounterField")
    FORCEINLINE bool IsEncounterActive() const
    {
        return bActivated;
    }
 
protected:
    virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
 
private:
    void SpawnNextWave();
    void ScheduleNextWave(float Interval);
    int32 CalculateExpectedEnemyCount(UEnemySpawnDirectorSystemComponent* EnemySys, const FWaveSpawnData& SpawnTables) const;
    void TrySendClearEvent();
    void ResetEncounterState();
 
private:
    UFUNCTION()
    void OnEnemyKilled(const AEnemyCharacterBase* DiedEnemy);
 
    UFUNCTION()
    void OnEnemySpawned(AEnemyCharacterBase* SpawnedEnemy);
 
protected:
    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "EncounterField")
    TObjectPtr<UStageEventListenerComponent> EventListenerComponent;
 
    // 모든 웨이브 몬스터가 처치되면 이 컴포넌트가 완료 이벤트를 전송한다.
    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "EncounterField")
    TObjectPtr<UStageEventSenderComponent> ClearEventSender;
 
    // 몬스터가 한 마리 처치될 때마다 이 컴포넌트가 이벤트를 전송한다.
    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "EncounterField")
    TObjectPtr<UStageEventSenderComponent> EnemyKilledEventSender;
 
    // StageManifest에서 참조할 섹션 ID.
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "EncounterField")
    FName SectionID;
 
private:
    UPROPERTY(Transient)
    TObjectPtr<UEnemySpawnDirectorSystemComponent> EnemySpawnSystem;
 
    UPROPERTY(Transient)
    FName CurrentWaveID;
 
    // 섹션 시작부터 0-based 로 누적되는 웨이브 인덱스. 위젯/디버그에선 +1 해서 1-based 로 표시.
    UPROPERTY(Transient)
    int32 CurrentWaveIndex = 0;
 
    UPROPERTY(Transient)
    int32 AliveEnemyCount = 0;
 
    UPROPERTY(Transient)
    int32 PendingSpawnCount = 0;
 
    UPROPERTY(Transient)
    int32 CurrentWavePendingSpawnCount = 0;
 
    UPROPERTY(Transient)
    bool bAllWavesSpawned = false;
 
    UPROPERTY(Transient)
    bool bActivated = false;
 
    UPROPERTY(Transient)
    bool bClearEventSent = false;
 
private:
    FTimerHandle WaveTimerHandle;
};