AsyncLevelLoadSceneComponent.h

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

#pragma once

#include "CoreMinimal.h"
#include "Components/SceneComponent.h"
#include "AsyncLevelLoadSceneComponent.generated.h"

DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnLevelLoadedDelegate_ASync);
DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnLevelLoadedDelegate_Streaming);

UCLASS(ClassGroup = (Custom), meta = (BlueprintSpawnableComponent))
class VREXPPLUGINEXAMPLE_API UAsyncLevelLoadSceneComponent : public USceneComponent
{
	GENERATED_BODY()

public:
	// Async
	UPROPERTY(BlueprintAssignable, Category = "AsyncLevelLoad")
	FOnLevelLoadedDelegate_ASync OnLevelLoadedDelegate_Async;

	UFUNCTION(BlueprintCallable, Category = "AsyncLevelLoad")
	void AsyncLevelLoad(const FString& LevelDir, const FString& LevelName);

	UFUNCTION(BlueprintCallable, Category = "AsyncLevelLoad")
	void OpenLoadedLevel();

	// Streaming
	UPROPERTY(BlueprintAssignable, Category = "StreamLevelLoad")
	FOnLevelLoadedDelegate_Streaming OnLevelLoadedDelegate_Streaming;

	UFUNCTION(BlueprintCallable, Category = "StreamLevelLoad")
	void StreamLevelLoad(const FString& LevelNameToLoad, const FString& LevelNameToUnload);

	UFUNCTION()
	void OnStreamLevelLoaded();

private:
	FString GetLoadingResultString(EAsyncLoadingResult::Type Result);
	virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;

public:
	// Sets default values for this component's properties
	UAsyncLevelLoadSceneComponent();

	UPROPERTY(BlueprintReadOnly, Category = "AsyncLevelLoad")
	float loadingPercentage;

private:
	// Async
	FString pLevelDir;
	FString pLevelName;

	EAsyncLoadingResult::Type pResult;
	bool bIsLoading;

	// Streaming
	FString pLevelNameToUnload;
};