// Copyright Epic Games, Inc. All Rights Reserved.

// Includes.

#include "CoreMinimal.h"
#include "Modules/ModuleManager.h"
#include "GameFramework/Actor.h"
#include "Editor/UnrealEdEngine.h"
#include "Engine/Selection.h"
#include "EditorModeManager.h"
#include "EdMode.h"
#include "LevelEditor.h"

uint32 EngineThreadId;
const TCHAR* GItem;
const TCHAR* GValue;
TCHAR* GCommand;

extern int GLastScroll;

// Misc.
UEngine* Engine;

/*-----------------------------------------------------------------------------
        Editor hook exec.
-----------------------------------------------------------------------------*/

void UUnrealEdEngine::NotifyPreChange(FProperty* PropertyAboutToChange)
{
}
void UUnrealEdEngine::NotifyPostChange(const FPropertyChangedEvent& PropertyChangedEvent, FProperty* PropertyThatChanged)
{
    // Notify all active modes of actor property changes.
    GLevelEditorModeTools().ActorPropChangeNotify();
}

void UUnrealEdEngine::UpdateFloatingPropertyWindows(bool bForceRefresh)
{
    TArray<UObject*> SelectedObjects;

    // Assemble a set of valid selected actors.
    for (FSelectionIterator It = GetSelectedActorIterator(); It; ++It)
    {
        AActor* Actor = static_cast<AActor*>(*It);
        checkSlow(Actor->IsA(AActor::StaticClass()));

        if (!Actor->IsPendingKill())
        {
            SelectedObjects.Add(Actor);
        }
    }

    UpdateFloatingPropertyWindowsFromActorList(SelectedObjects, bForceRefresh);
}

void UUnrealEdEngine::UpdateFloatingPropertyWindowsFromActorList(const TArray<UObject*>& ActorList, bool bForceRefresh)
{
    FLevelEditorModule& LevelEditor = FModuleManager::LoadModuleChecked<FLevelEditorModule>(TEXT("LevelEditor"));

    LevelEditor.BroadcastActorSelectionChanged(ActorList, bForceRefresh);
}