EnemyDespawnDefinition.h

이 파일의 문서화 페이지로 가기

// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "Data/Flow/FlowDefinitionBase.h"
#include "Data/Flow/Enemy/MaterialTransitionDefinition.h"
#include "TimerManager.h"
#include "Templates/Function.h"
#include "EnemyDespawnDefinition.generated.h"
 
 
class AEnemyCharacterBase;
class AActor;
class UNiagaraSystem;
class UMaterialInterface;
class UMaterialInstanceDynamic;
class USkeletalMeshComponent;
class UWorld;
 
 
UCLASS(Blueprintable, BlueprintType, EditInlineNew, DefaultToInstanced, meta = (ShowWorldContextPin))
class CK_UE_API UEnemyDespawnDefinition : public UFlowDefinitionBase
{
    GENERATED_BODY()
 
public:
    UFUNCTION(BlueprintCallable, Category = "Despawn")
    bool StartEnemyDespawnFlow(AEnemyCharacterBase* InEnemyCharacter);
 
    bool StartEnemyDespawnFlow(AEnemyCharacterBase* InEnemyCharacter, TFunction<void()>&& InOnFlowFinished);
 
    UFUNCTION(BlueprintPure, Category = "Material")
    FORCEINLINE FMaterialOpacityTransition GetDespawnMaterialTransition() const
    {
        return DespawnMaterialTransition;
    }
 
protected:
    virtual void HandleFlowStarted(UObject* InFlowOwner) override;
    virtual void HandleFlowFinished() override;
    virtual void HandleFlowReset() override;
    virtual void PlayDespawnFlow_Implementation(AEnemyCharacterBase* InEnemyCharacter);
 
protected:
    UFUNCTION(BlueprintNativeEvent, Category = "Despawn")
    void PlayDespawnFlow(AEnemyCharacterBase* InEnemyCharacter);
 
private:
    void ApplyMaterialTransition(AEnemyCharacterBase* InEnemyCharacter, const FMaterialOpacityTransition& InTransition);
    void PrepareDespawnNiagara(AEnemyCharacterBase* InEnemyCharacter);
    void ActivateDespawnNiagara();
    void CompleteMaterialTransition();
    USkeletalMeshComponent* CreateCopyPoseProxyMesh(AEnemyCharacterBase* InEnemyCharacter);
    void ScheduleCopyPoseProxyCleanup();
    void DestroyCopyPoseProxy();
    void UpdateMaterialTransition();
    void ClearMaterialTransitionTimer();
    void RestoreMaterialSlots();
 
protected:
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Niagara")
    TObjectPtr<UNiagaraSystem> DespawnNiagaraSystem;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Niagara")
    FName SkeletalMeshUserParameterName = TEXT("User.SkeletalMesh");
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Niagara", meta = (ClampMin = "0.0", UIMin = "0.0"))
    float DespawnNiagaraPlayTime = 2.0f;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Material")
    FMaterialOpacityTransition DespawnMaterialTransition = FMaterialOpacityTransition(1.0f, 0.0f);
 
private:
    UPROPERTY(Transient)
    TWeakObjectPtr<AEnemyCharacterBase> ActiveEnemyCharacter;
 
    UPROPERTY(Transient)
    TWeakObjectPtr<UWorld> ActiveWorld;
 
    UPROPERTY(Transient)
    TArray<int32> ActiveMaterialSlotIndices;
 
    UPROPERTY(Transient)
    TArray<TObjectPtr<UMaterialInterface>> OriginalMaterials;
 
    UPROPERTY(Transient)
    TArray<TObjectPtr<UMaterialInstanceDynamic>> DynamicMaterials;
 
    UPROPERTY(Transient)
    TObjectPtr<AActor> ActiveCopyPoseProxyActor;
 
    UPROPERTY(Transient)
    TObjectPtr<USkeletalMeshComponent> ActiveCopyPoseProxyMesh;
 
    UPROPERTY(Transient)
    TWeakObjectPtr<UWorld> ActiveCopyPoseProxyWorld;
 
private:
    FTimerHandle MaterialTransitionTimerHandle;
    FTimerHandle CopyPoseProxyCleanupTimerHandle;
    float MaterialTransitionStartTime = 0.0f;
    float ActiveTransitionDurationSeconds = 0.0f;
    float ActiveTransitionStartOpacity = 1.0f;
    float ActiveTransitionEndOpacity = 0.0f;
    FName ActiveOpacityParameterName = TEXT("Opacity");
    TFunction<void()> OnDespawnFlowFinished;
};