// Copyright Voulz 2021-2025. All Rights Reserved.

#include "ArchVisSubsystem.h"

#include "ArchVisSceneViewExtension.h"
#include "MoviePipelineBase.h"
#include "SceneViewExtension.h"


void UArchVisSubsystem::Initialize(FSubsystemCollectionBase& Collection)
{
	ArchVisSceneViewExtension = FSceneViewExtensions::NewExtension<FArchVisSceneViewExtension>(this);
	UE_LOG(LogTemp, Log, TEXT("SceneViewExtensionTemplate: Subsystem initialized & SceneViewExtension created"));
}

void UArchVisSubsystem::Deinitialize()
{
	{
		ArchVisSceneViewExtension->IsActiveThisFrameFunctions.Empty();

		FSceneViewExtensionIsActiveFunctor IsActiveFunctor;

		IsActiveFunctor.IsActiveFunction = [](const ISceneViewExtension* SceneViewExtension, const FSceneViewExtensionContext& Context)
		{
			return TOptional<bool>(false);
		};

		ArchVisSceneViewExtension->IsActiveThisFrameFunctions.Add(IsActiveFunctor);
	}

	ArchVisSceneViewExtension.Reset();
	ArchVisSceneViewExtension = nullptr;
}

bool UArchVisSubsystem::IsMoviePipelineWorld(const UWorld* World)
{
	if (!IsValid(World))
	{
		return false;
	}
	
	//todo: if this does not work, check UWorld::PerModuleDataObjects and set it in OnMoviePipelineInitialized
	bool bHasMoviePipelineBase = false;
	ForEachObjectWithOuterBreakable(World, [&bHasMoviePipelineBase](UObject* Object)
		{
			bHasMoviePipelineBase = Object->IsA<UMoviePipelineBase>();
			return !bHasMoviePipelineBase; // break if we found it
		}, false);
	return bHasMoviePipelineBase;
}