LevelStreamingContext.h

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#pragma once
 
#include "CoreMinimal.h"
#include "CK_UE.h"
#include "Level/ELevelStreamingEnums.h"
#include "Level/Effect/LevelStreamingEffect.h"
#include "LevelStreamingContext.generated.h"
 
class APlayerController;
class ULevelStreaming;
class UWorld;
 
 
USTRUCT(BlueprintType)
struct FLevelStreamingContext
{
    GENERATED_BODY()
 
public:
    FLevelStreamingContext() : ExecutingEffectIndex(0), Phase() { }
 
public:
    static FLevelStreamingContext CreateContext(TWeakObjectPtr<ULevelStreaming> InOriginalWorld, TWeakObjectPtr<ULevelStreaming> InTargetWorld, const FEffectChainExecutor& Executor);
 
public:
    UPROPERTY(Transient, BlueprintReadOnly, Category = "LevelStreamContext")
    TObjectPtr<UWorld> OriginalWorld;
 
    UPROPERTY(Transient, BlueprintReadOnly, Category = "LevelStreamContext")
    TObjectPtr<UWorld> TargetWorld;
 
    UPROPERTY(Transient)
    TObjectPtr<ULevelStreaming> OriginalStreamingLevel;
 
    UPROPERTY(Transient)
    TObjectPtr<ULevelStreaming> TargetStreamingLevel;
 
    UPROPERTY(Transient, BlueprintReadOnly, Category = "LevelStreamContext")
    TObjectPtr<APlayerController> PlayerController;
 
    UPROPERTY(Transient, BlueprintReadOnly, Category = "LevelStreamContext")
    int32 ExecutingEffectIndex;
 
    UPROPERTY(Transient, BlueprintReadOnly, Category = "LevelStreamContext")
    ELevelStreamingPhase Phase;
};
 
 
 
inline FLevelStreamingContext FLevelStreamingContext::CreateContext(TWeakObjectPtr<ULevelStreaming> InOriginalWorld, TWeakObjectPtr<ULevelStreaming> InTargetWorld, const FEffectChainExecutor& Executor)
{
    if (InOriginalWorld.IsValid() == false)
    {
        LOG_ERROR(LogCKLevel, "LevelToLoad가 유효하지 않아, '%s' 를 만들 수 없습니다.", NAMEOF(FLevelStreamingContext));
    }
 
    if (InTargetWorld.IsValid() == false)
    {
        LOG_ERROR(LogCKLevel, "LevelToUnload가 유효하지 않아, '%s' 를 만들 수 없습니다.", NAMEOF(FLevelStreamingContext));
    }
 
    ensureMsgf(Executor.GetChainIndex() >= 0, TEXT("FLevelStreamContext: InExecutingEffectIndex is out of range"));
 
    FLevelStreamingContext Context = FLevelStreamingContext();
 
    Context.Phase = Executor.GetPhase();
    Context.TargetStreamingLevel = InOriginalWorld.Get();
    Context.OriginalStreamingLevel = InTargetWorld.Get();
    Context.ExecutingEffectIndex = Executor.GetChainIndex();
 
    if (Context.OriginalStreamingLevel)
    {
        Context.OriginalWorld = Context.OriginalStreamingLevel->GetWorld();
    }
 
    if (Context.OriginalWorld)
    {
        Context.PlayerController = Context.OriginalWorld->GetFirstPlayerController();
    }
 
    if (Context.TargetStreamingLevel)
    {
        Context.TargetWorld = Context.TargetStreamingLevel->GetWorld();
    }
 
    return Context;
}