EM_Task/UnrealEd/Private/Subsystems/AssetEditorSubsystem.cpp
Boshuang Zhao 5144a49c9b add
2026-02-13 16:18:33 +08:00

983 lines
37 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "Subsystems/AssetEditorSubsystem.h"
#include "AssetEditorMessages.h"
#include "MessageEndpoint.h"
#include "EngineAnalytics.h"
#include "AnalyticsEventAttribute.h"
#include "UObject/Package.h"
#include "CoreGlobals.h"
#include "AssetToolsModule.h"
#include "IMessageContext.h"
#include "LevelEditor.h"
#include "Toolkits/AssetEditorToolkit.h"
#include "Toolkits/SimpleAssetEditor.h"
#include "Engine/MapBuildDataRegistry.h"
#include "ContentBrowserModule.h"
#include "MRUFavoritesList.h"
#include "Settings/EditorLoadingSavingSettings.h"
#include "Widgets/Notifications/SNotificationList.h"
#include "Framework/Notifications/NotificationManager.h"
#include "PackageTools.h"
#include "UObject/PackageReload.h"
#include "Interfaces/IAnalyticsProvider.h"
#include "Misc/FeedbackContext.h"
#include "Misc/ConfigCacheIni.h"
#include "Misc/BlacklistNames.h"
#include "StudioAnalytics.h"
#include "EditorModeRegistry.h"
#include "Tools/UEdMode.h"
#include "AssetEditorMessages.h"
#include "EditorModeManager.h"
#include "Tools/LegacyEdMode.h"
#define LOCTEXT_NAMESPACE "AssetEditorSubsystem"
DEFINE_LOG_CATEGORY_STATIC(LogAssetEditorSubsystem, Log, All);
UAssetEditorSubsystem::UAssetEditorSubsystem()
: Super(), bSavingOnShutdown(false), bAutoRestoreAndDisableSaving(false), bRequestRestorePreviouslyOpenAssets(false)
{
}
void UAssetEditorSubsystem::Initialize(FSubsystemCollectionBase& Collection)
{
TickDelegate = FTickerDelegate::CreateUObject(this, &UAssetEditorSubsystem::HandleTicker);
FTicker::GetCoreTicker().AddTicker(TickDelegate, 1.f);
FCoreUObjectDelegates::OnPackageReloaded.AddUObject(this, &UAssetEditorSubsystem::HandlePackageReloaded);
GEditor->OnEditorClose().AddUObject(this, &UAssetEditorSubsystem::OnEditorClose);
FCoreDelegates::OnPostEngineInit.AddUObject(this, &UAssetEditorSubsystem::RegisterEditorModes);
}
void UAssetEditorSubsystem::Deinitialize()
{
UnregisterEditorModes();
FCoreUObjectDelegates::OnPackageReloaded.RemoveAll(this);
GEditor->OnEditorClose().RemoveAll(this);
// Don't attempt to report usage stats if analytics isn't available
if (FEngineAnalytics::IsAvailable())
{
TArray<FAnalyticsEventAttribute> EditorUsageAttribs;
EditorUsageAttribs.Empty(2);
for (auto Iter = EditorUsageAnalytics.CreateConstIterator(); Iter; ++Iter)
{
const FAssetEditorAnalyticInfo& Data = Iter.Value();
EditorUsageAttribs.Reset();
EditorUsageAttribs.Emplace(TEXT("TotalDuration.Seconds"), FString::Printf(TEXT("%.1f"), Data.SumDuration.GetTotalSeconds()));
EditorUsageAttribs.Emplace(TEXT("OpenedInstances.Count"), FString::Printf(TEXT("%d"), Data.NumTimesOpened));
const FString EventName = FString::Printf(TEXT("Editor.Usage.%s"), *Iter.Key().ToString());
FEngineAnalytics::GetProvider().RecordEvent(EventName, EditorUsageAttribs);
}
}
}
void UAssetEditorSubsystem::OnEditorClose()
{
SaveOpenAssetEditors(true);
TGuardValue<bool> GuardOnShutdown(bSavingOnShutdown, true);
CloseAllAssetEditors();
}
IAssetEditorInstance* UAssetEditorSubsystem::FindEditorForAsset(UObject* Asset, bool bFocusIfOpen)
{
const TArray<IAssetEditorInstance*> AssetEditors = FindEditorsForAsset(Asset);
IAssetEditorInstance* const* PrimaryEditor = AssetEditors.FindByPredicate([](IAssetEditorInstance* Editor)
{
return Editor->IsPrimaryEditor();
});
const bool bEditorOpen = PrimaryEditor != NULL;
if (bEditorOpen && bFocusIfOpen)
{
// @todo toolkit minor: We may need to handle this differently for world-centric vs standalone. (multiple level editors, etc)
(*PrimaryEditor)->FocusWindow(Asset);
}
return bEditorOpen ? *PrimaryEditor : NULL;
}
TArray<IAssetEditorInstance*> UAssetEditorSubsystem::FindEditorsForAsset(UObject* Asset)
{
TArray<IAssetEditorInstance*> AssetEditors;
OpenedAssets.MultiFind(Asset, AssetEditors);
return AssetEditors;
}
TArray<IAssetEditorInstance*> UAssetEditorSubsystem::FindEditorsForAssetAndSubObjects(UObject* Asset)
{
TArray<IAssetEditorInstance*> EditorInstances;
for (const TPair<UObject*, IAssetEditorInstance*>& Pair: OpenedAssets)
{
if (Pair.Key == Asset || Pair.Key->IsIn(Asset))
{
EditorInstances.Add(Pair.Value);
}
}
return EditorInstances;
}
int32 UAssetEditorSubsystem::CloseAllEditorsForAsset(UObject* Asset)
{
TArray<IAssetEditorInstance*> EditorInstances = FindEditorsForAssetAndSubObjects(Asset);
for (IAssetEditorInstance* EditorInstance: EditorInstances)
{
if (EditorInstance)
{
EditorInstance->CloseWindow();
}
}
AssetEditorRequestCloseEvent.Broadcast(Asset, EAssetEditorCloseReason::CloseAllEditorsForAsset);
return EditorInstances.Num();
}
void UAssetEditorSubsystem::RemoveAssetFromAllEditors(UObject* Asset)
{
TArray<IAssetEditorInstance*> EditorInstances = FindEditorsForAsset(Asset);
for (IAssetEditorInstance* EditorIter: EditorInstances)
{
if (EditorIter)
{
EditorIter->RemoveEditingAsset(Asset);
}
}
AssetEditorRequestCloseEvent.Broadcast(Asset, EAssetEditorCloseReason::RemoveAssetFromAllEditors);
}
void UAssetEditorSubsystem::CloseOtherEditors(UObject* Asset, IAssetEditorInstance* OnlyEditor)
{
TArray<UObject*> AllAssets;
for (TMultiMap<UObject*, IAssetEditorInstance*>::TIterator It(OpenedAssets); It; ++It)
{
IAssetEditorInstance* Editor = It.Value();
if (Asset == It.Key() && Editor != OnlyEditor)
{
Editor->CloseWindow();
}
}
AssetEditorRequestCloseEvent.Broadcast(Asset, EAssetEditorCloseReason::CloseOtherEditors);
}
TArray<UObject*> UAssetEditorSubsystem::GetAllEditedAssets()
{
TArray<UObject*> AllAssets;
for (TMultiMap<UObject*, IAssetEditorInstance*>::TIterator It(OpenedAssets); It; ++It)
{
UObject* Asset = It.Key();
if (Asset != NULL)
{
AllAssets.AddUnique(Asset);
}
}
return AllAssets;
}
void UAssetEditorSubsystem::NotifyAssetOpened(UObject* Asset, IAssetEditorInstance* InInstance)
{
if (!OpenedEditors.Contains(InInstance))
{
FOpenedEditorTime EditorTime;
EditorTime.EditorName = InInstance->GetEditorName();
EditorTime.OpenedTime = FDateTime::UtcNow();
OpenedEditorTimes.Add(InInstance, EditorTime);
}
OpenedAssets.Add(Asset, InInstance);
OpenedEditors.Add(InInstance, Asset);
AssetOpenedInEditorEvent.Broadcast(Asset, InInstance);
SaveOpenAssetEditors(false);
}
void UAssetEditorSubsystem::NotifyAssetsOpened(const TArray<UObject*>& Assets, IAssetEditorInstance* InInstance)
{
for (auto AssetIter = Assets.CreateConstIterator(); AssetIter; ++AssetIter)
{
NotifyAssetOpened(*AssetIter, InInstance);
}
}
void UAssetEditorSubsystem::NotifyAssetClosed(UObject* Asset, IAssetEditorInstance* InInstance)
{
OpenedEditors.RemoveSingle(InInstance, Asset);
OpenedAssets.RemoveSingle(Asset, InInstance);
SaveOpenAssetEditors(false);
}
void UAssetEditorSubsystem::NotifyEditorClosed(IAssetEditorInstance* InInstance)
{
// Remove all assets associated with the editor
TArray<UObject*> Assets;
OpenedEditors.MultiFind(InInstance, /*out*/ Assets);
for (int32 AssetIndex = 0; AssetIndex < Assets.Num(); ++AssetIndex)
{
OpenedAssets.Remove(Assets[AssetIndex], InInstance);
}
// Remove the editor itself
OpenedEditors.Remove(InInstance);
FOpenedEditorTime EditorTime = OpenedEditorTimes.FindAndRemoveChecked(InInstance);
// Record the editor open-close duration
FAssetEditorAnalyticInfo& AnalyticsForThisAsset = EditorUsageAnalytics.FindOrAdd(EditorTime.EditorName);
AnalyticsForThisAsset.SumDuration += FDateTime::UtcNow() - EditorTime.OpenedTime;
AnalyticsForThisAsset.NumTimesOpened++;
SaveOpenAssetEditors(false);
}
bool UAssetEditorSubsystem::CloseAllAssetEditors()
{
bool bAllEditorsClosed = true;
for (TMultiMap<IAssetEditorInstance*, UObject*>::TIterator It(OpenedEditors); It; ++It)
{
IAssetEditorInstance* Editor = It.Key();
if (Editor != NULL)
{
if (!Editor->CloseWindow())
{
bAllEditorsClosed = false;
}
}
}
AssetEditorRequestCloseEvent.Broadcast(nullptr, EAssetEditorCloseReason::CloseAllAssetEditors);
return bAllEditorsClosed;
}
bool UAssetEditorSubsystem::OpenEditorForAsset(UObject* Asset, const EToolkitMode::Type ToolkitMode, TSharedPtr<IToolkitHost> OpenedFromLevelEditor, const bool bShowProgressWindow)
{
const double OpenAssetStartTime = FStudioAnalytics::GetAnalyticSeconds();
if (!Asset)
{
UE_LOG(LogAssetEditorSubsystem, Error, TEXT("Opening Asset editor failed because asset is null"));
return false;
}
// @todo toolkit minor: When "Edit Here" happens in a different level editor from the one that an asset is already
// being edited within, we should decide whether to disallow "Edit Here" in that case, or to close the old asset
// editor and summon it in the new level editor, or to just foreground the old level editor (current behavior)
FAssetToolsModule& AssetToolsModule = FModuleManager::LoadModuleChecked<FAssetToolsModule>(TEXT("AssetTools"));
const bool bBringToFrontIfOpen = true;
if (UPackage* Package = Asset->GetOutermost())
{
// Don't open asset editors for cooked packages
if (Package->bIsCookedForEditor)
{
return false;
}
if (!AssetToolsModule.Get().GetWritableFolderBlacklist()->PassesStartsWithFilter(Package->GetName()))
{
AssetToolsModule.Get().NotifyBlockedByWritableFolderFilter();
return false;
}
}
AssetEditorRequestOpenEvent.Broadcast(Asset);
if (FindEditorForAsset(Asset, bBringToFrontIfOpen) != nullptr)
{
// This asset is already open in an editor! (the call to FindEditorForAsset above will bring it to the front)
return true;
}
else
{
if (bShowProgressWindow)
{
GWarn->BeginSlowTask(LOCTEXT("OpenEditor", "Opening Editor..."), true);
}
}
UE_LOG(LogAssetEditorSubsystem, Log, TEXT("Opening Asset editor for %s"), *Asset->GetFullName());
TWeakPtr<IAssetTypeActions> AssetTypeActions = AssetToolsModule.Get().GetAssetTypeActionsForClass(Asset->GetClass());
EToolkitMode::Type ActualToolkitMode = ToolkitMode;
if (AssetTypeActions.IsValid())
{
if (AssetTypeActions.Pin()->ShouldForceWorldCentric())
{
// This asset type prefers a specific toolkit mode
ActualToolkitMode = EToolkitMode::WorldCentric;
if (!OpenedFromLevelEditor.IsValid())
{
// We don't have a level editor to spawn in world-centric mode, so we'll find one now
// @todo sequencer: We should eventually eliminate this code (incl include dependencies) or change it to not make assumptions about a single level editor
OpenedFromLevelEditor = FModuleManager::LoadModuleChecked<FLevelEditorModule>("LevelEditor").GetFirstLevelEditor();
}
}
}
if (ActualToolkitMode != EToolkitMode::WorldCentric && OpenedFromLevelEditor.IsValid())
{
// @todo toolkit minor: Kind of lame use of a static variable here to prime the new asset editor. This was done to avoid refactoring a few dozen files for a very minor change.
FAssetEditorToolkit::SetPreviousWorldCentricToolkitHostForNewAssetEditor(OpenedFromLevelEditor.ToSharedRef());
}
// Disallow opening an asset editor for classes
bool bCanSummonSimpleAssetEditor = !Asset->IsA<UClass>();
if (AssetTypeActions.IsValid())
{
TArray<UObject*> AssetsToEdit;
AssetsToEdit.Add(Asset);
// Some assets (like UWorlds) may be destroyed and recreated as part of opening. To protect against this, keep the path to the asset and try to re-find it if it disappeared.
TWeakObjectPtr<UObject> WeakAsset = Asset;
const FString AssetPath = Asset->GetPathName();
AssetTypeActions.Pin()->OpenAssetEditor(AssetsToEdit, ActualToolkitMode == EToolkitMode::WorldCentric ? OpenedFromLevelEditor : TSharedPtr<IToolkitHost>());
// If the Asset was destroyed, attempt to find it if it was recreated
if (!WeakAsset.IsValid() && !AssetPath.IsEmpty())
{
Asset = FindObject<UObject>(nullptr, *AssetPath);
}
AssetEditorOpenedEvent.Broadcast(Asset);
}
else if (bCanSummonSimpleAssetEditor)
{
// No asset type actions for this asset. Just use a properties editor.
FSimpleAssetEditor::CreateEditor(ActualToolkitMode, ActualToolkitMode == EToolkitMode::WorldCentric ? OpenedFromLevelEditor : TSharedPtr<IToolkitHost>(), Asset);
}
if (bShowProgressWindow)
{
GWarn->EndSlowTask();
}
// Must check Asset here in addition to at the beginning of the function, because if the asset was destroyed and recreated it might not be found correctly
// Do not add to recently opened asset list if this is a level-associated asset like Level Blueprint or Built Data. Their naming is not compatible
if (Asset)
{
if (Asset->IsAsset() && !Asset->IsA(UMapBuildDataRegistry::StaticClass()))
{
FString AssetPath = Asset->GetOuter()->GetPathName();
FContentBrowserModule& CBModule = FModuleManager::LoadModuleChecked<FContentBrowserModule>(TEXT("ContentBrowser"));
FMainMRUFavoritesList* RecentlyOpenedAssets = CBModule.GetRecentlyOpenedAssets();
if (RecentlyOpenedAssets && FPackageName::IsValidLongPackageName(AssetPath))
{
RecentlyOpenedAssets->AddMRUItem(AssetPath);
}
}
const double OpenTime = FStudioAnalytics::GetAnalyticSeconds() - OpenAssetStartTime;
FStudioAnalytics::FireEvent_Loading(TEXT("OpenAssetEditor"), OpenTime, {FAnalyticsEventAttribute(TEXT("AssetPath"), Asset->GetFullName()), FAnalyticsEventAttribute(TEXT("AssetType"), Asset->GetClass()->GetName())});
}
return true;
}
bool UAssetEditorSubsystem::OpenEditorForAssets_Advanced(const TArray<UObject*>& InAssets, const EToolkitMode::Type ToolkitMode, TSharedPtr<IToolkitHost> OpenedFromLevelEditor)
{
TArray<UObject*> Assets;
Assets.Reserve(InAssets.Num());
int32 NumNullAssets = 0;
for (UObject* Asset: InAssets)
{
if (Asset)
{
Assets.AddUnique(Asset);
}
else
{
++NumNullAssets;
}
}
if (NumNullAssets > 1)
{
UE_LOG(LogAssetEditorSubsystem, Error, TEXT("Opening Asset editors failed because of null assets"));
}
else if (NumNullAssets > 0)
{
UE_LOG(LogAssetEditorSubsystem, Error, TEXT("Opening Asset editor failed because of null asset"));
}
if (Assets.Num() == 1)
{
return OpenEditorForAsset(Assets[0], ToolkitMode, OpenedFromLevelEditor);
}
else if (Assets.Num() > 0)
{
TArray<UObject*> SkipOpenAssets;
for (UObject* Asset: Assets)
{
// If any of the assets are already open or the package is cooked,
// remove them from the list of assets to open an editor for
UPackage* Package = Asset->GetOutermost();
if (FindEditorForAsset(Asset, true) != nullptr || (Package && Package->bIsCookedForEditor))
{
SkipOpenAssets.Add(Asset);
}
}
// Verify that all the assets are of the same class
bool bAssetClassesMatch = true;
UClass* AssetClass = Assets[0]->GetClass();
for (int32 i = 1; i < Assets.Num(); i++)
{
if (Assets[i]->GetClass() != AssetClass)
{
bAssetClassesMatch = false;
break;
}
}
// If the classes don't match or any of the selected assets are already open, just open each asset in its own editor.
if (bAssetClassesMatch && SkipOpenAssets.Num() == 0)
{
FAssetToolsModule& AssetToolsModule = FModuleManager::LoadModuleChecked<FAssetToolsModule>(TEXT("AssetTools"));
TWeakPtr<IAssetTypeActions> AssetTypeActions = AssetToolsModule.Get().GetAssetTypeActionsForClass(AssetClass);
if (AssetTypeActions.IsValid())
{
GWarn->BeginSlowTask(LOCTEXT("OpenEditors", "Opening Editor(s)..."), true);
// Determine the appropriate toolkit mode for the asset type
EToolkitMode::Type ActualToolkitMode = ToolkitMode;
if (AssetTypeActions.Pin()->ShouldForceWorldCentric())
{
// This asset type prefers a specific toolkit mode
ActualToolkitMode = EToolkitMode::WorldCentric;
if (!OpenedFromLevelEditor.IsValid())
{
// We don't have a level editor to spawn in world-centric mode, so we'll find one now
// @todo sequencer: We should eventually eliminate this code (incl include dependencies) or change it to not make assumptions about a single level editor
OpenedFromLevelEditor = FModuleManager::LoadModuleChecked<FLevelEditorModule>("LevelEditor").GetFirstLevelEditor();
}
}
if (ActualToolkitMode != EToolkitMode::WorldCentric && OpenedFromLevelEditor.IsValid())
{
// @todo toolkit minor: Kind of lame use of a static variable here to prime the new asset editor. This was done to avoid refactoring a few dozen files for a very minor change.
FAssetEditorToolkit::SetPreviousWorldCentricToolkitHostForNewAssetEditor(OpenedFromLevelEditor.ToSharedRef());
}
// Some assets (like UWorlds) may be destroyed and recreated as part of opening. To protect against this, keep the path to each asset and try to re-find any if they disappear.
struct FLocalAssetInfo
{
TWeakObjectPtr<UObject> WeakAsset;
FString AssetPath;
FLocalAssetInfo(const TWeakObjectPtr<UObject>& InWeakAsset, const FString& InAssetPath)
: WeakAsset(InWeakAsset), AssetPath(InAssetPath) {}
};
TArray<FLocalAssetInfo> AssetInfoList;
AssetInfoList.Reserve(Assets.Num());
for (UObject* Asset: Assets)
{
AssetInfoList.Add(FLocalAssetInfo(Asset, Asset->GetPathName()));
}
// How to handle multiple assets is left up to the type actions (i.e. open a single shared editor or an editor for each)
AssetTypeActions.Pin()->OpenAssetEditor(Assets, ActualToolkitMode == EToolkitMode::WorldCentric ? OpenedFromLevelEditor : TSharedPtr<IToolkitHost>());
// If any assets were destroyed, attempt to find them if they were recreated
for (int32 i = 0; i < Assets.Num(); i++)
{
const FLocalAssetInfo& AssetInfo = AssetInfoList[i];
UObject* Asset = Assets[i];
if (!AssetInfo.WeakAsset.IsValid() && !AssetInfo.AssetPath.IsEmpty())
{
Asset = FindObject<UObject>(nullptr, *AssetInfo.AssetPath);
}
}
//@todo if needed, broadcast the event for every asset. It is possible, however, that a single shared editor was opened by the AssetTypeActions, not an editor for each asset.
/*AssetEditorOpenedEvent.Broadcast(Asset);*/
GWarn->EndSlowTask();
}
}
else
{
// Asset types don't match or some are already open, so just open individual editors for the unopened ones
for (UObject* Asset: Assets)
{
if (!SkipOpenAssets.Contains(Asset))
{
OpenEditorForAsset(Asset, ToolkitMode, OpenedFromLevelEditor);
}
}
}
}
return true;
}
bool UAssetEditorSubsystem::OpenEditorForAssets(const TArray<UObject*>& Assets)
{
return OpenEditorForAssets_Advanced(Assets, EToolkitMode::Standalone, TSharedPtr<IToolkitHost>());
}
void UAssetEditorSubsystem::HandleRequestOpenAssetMessage(const FAssetEditorRequestOpenAsset& Message, const TSharedRef<IMessageContext, ESPMode::ThreadSafe>& Context)
{
OpenEditorForAsset(Message.AssetName);
}
void UAssetEditorSubsystem::OpenEditorForAsset(const FString& AssetPathName)
{
// An asset needs loading
UPackage* Package = LoadPackage(NULL, *AssetPathName, LOAD_NoRedirects);
if (Package)
{
Package->FullyLoad();
FString AssetName = FPaths::GetBaseFilename(AssetPathName);
UObject* Object = FindObject<UObject>(Package, *AssetName);
if (Object != NULL)
{
OpenEditorForAsset(Object);
}
}
}
bool UAssetEditorSubsystem::HandleTicker(float DeltaTime)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_UAssetEditorSubsystem_HandleTicker);
if (bRequestRestorePreviouslyOpenAssets)
{
RestorePreviouslyOpenAssets();
bRequestRestorePreviouslyOpenAssets = false;
}
return true;
}
void UAssetEditorSubsystem::RequestRestorePreviouslyOpenAssets()
{
// We defer the restore so that we guarantee that it happens once initialization is complete
bRequestRestorePreviouslyOpenAssets = true;
}
UEdMode* UAssetEditorSubsystem::CreateEditorModeWithToolsOwner(FEditorModeID ModeID, FEditorModeTools& Owner)
{
FRegisteredModeInfo* ScriptableMode = EditorModes.Find(ModeID);
if (ScriptableMode && ScriptableMode->ModeClass.IsValid())
{
UEdMode* Instance = NewObject<UEdMode>(GetTransientPackage(), ScriptableMode->ModeClass.Get());
Instance->Owner = &Owner;
Instance->Initialize();
return Instance;
}
// If we couldn't find a valid UEdMode based class, attempt to make a UEdMode wrapped FEdMode
FEditorModeInfo LegacyModeInfo;
if (FindEditorModeInfo(ModeID, LegacyModeInfo))
{
ULegacyEdModeWrapper* LegacyEditorMode = NewObject<ULegacyEdModeWrapper>(GetTransientPackage());
if (LegacyEditorMode->CreateLegacyMode(ModeID, Owner))
{
LegacyEditorMode->Initialize();
return LegacyEditorMode;
}
}
return nullptr;
}
bool UAssetEditorSubsystem::FindEditorModeInfo(const FEditorModeID& InModeID, FEditorModeInfo& OutModeInfo) const
{
const TSharedRef<IEditorModeFactory>* ModeFactory = FEditorModeRegistry::Get().GetFactoryMap().Find(InModeID);
if (ModeFactory)
{
OutModeInfo = (*ModeFactory)->GetModeInfo();
return true;
}
if (!EditorModes.Contains(InModeID))
{
return false;
}
OutModeInfo = EditorModes[InModeID].ModeInfo;
return true;
}
TArray<FEditorModeInfo> UAssetEditorSubsystem::GetEditorModeInfoOrderedByPriority() const
{
TArray<FEditorModeInfo> ModeInfoArray;
for (const auto& Pair: FEditorModeRegistry::Get().GetFactoryMap())
{
ModeInfoArray.Add(Pair.Value->GetModeInfo());
}
for (const auto& EditorMode: EditorModes)
{
ModeInfoArray.Add(EditorMode.Value.ModeInfo);
}
ModeInfoArray.Sort([](const FEditorModeInfo& A, const FEditorModeInfo& B)
{
return A.PriorityOrder < B.PriorityOrder;
});
return ModeInfoArray;
}
void UAssetEditorSubsystem::RegisterUAssetEditor(UAssetEditor* NewAssetEditor)
{
OwnedAssetEditors.Add(NewAssetEditor);
}
void UAssetEditorSubsystem::UnregisterUAssetEditor(UAssetEditor* RemovedAssetEditor)
{
OwnedAssetEditors.Remove(RemovedAssetEditor);
}
FRegisteredModesChangedEvent& UAssetEditorSubsystem::OnEditorModesChanged()
{
return OnEditorModesChangedEvent;
}
FOnModeRegistered& UAssetEditorSubsystem::OnEditorModeRegistered()
{
return OnEditorModeRegisteredEvent;
}
FOnModeUnregistered& UAssetEditorSubsystem::OnEditorModeUnregistered()
{
return OnEditorModeUnregisteredEvent;
}
void UAssetEditorSubsystem::RestorePreviouslyOpenAssets()
{
TArray<FString> OpenAssets;
GConfig->GetArray(TEXT("AssetEditorSubsystem"), TEXT("OpenAssetsAtExit"), OpenAssets, GEditorPerProjectIni);
bool bCleanShutdown = false;
GConfig->GetBool(TEXT("AssetEditorSubsystem"), TEXT("CleanShutdown"), bCleanShutdown, GEditorPerProjectIni);
SaveOpenAssetEditors(false);
if (OpenAssets.Num() > 0)
{
if (bCleanShutdown)
{
// Do we have permission to automatically re-open the assets, or should we ask?
const bool bAutoRestore = GetDefault<UEditorLoadingSavingSettings>()->bRestoreOpenAssetTabsOnRestart || bAutoRestoreAndDisableSaving;
if (bAutoRestore)
{
// Pretend that we showed the notification and that the user clicked "Restore Now"
OpenEditorsForAssets(OpenAssets);
}
else
{
// Has this notification previously been suppressed by the user?
bool bSuppressNotification = false;
GConfig->GetBool(TEXT("AssetEditorSubsystem"), TEXT("SuppressRestorePreviouslyOpenAssetsNotification"), bSuppressNotification, GEditorPerProjectIni);
if (!bSuppressNotification)
{
// Ask the user; this doesn't block so will reopen the assets later
SpawnRestorePreviouslyOpenAssetsNotification(bCleanShutdown, OpenAssets);
}
}
}
else
{
// If we crashed, we always ask regardless of what the user previously said
SpawnRestorePreviouslyOpenAssetsNotification(bCleanShutdown, OpenAssets);
}
}
}
void UAssetEditorSubsystem::SetAutoRestoreAndDisableSaving(const bool bInAutoRestoreAndDisableSaving)
{
bAutoRestoreAndDisableSaving = bInAutoRestoreAndDisableSaving;
// Disable any pending request to avoid trying to restore previously opened assets twice
bRequestRestorePreviouslyOpenAssets = false;
}
void UAssetEditorSubsystem::SpawnRestorePreviouslyOpenAssetsNotification(const bool bCleanShutdown, const TArray<FString>& AssetsToOpen)
{
/** Utility functions for the notification which don't rely on the state from FAssetEditorManager */
struct Local
{
static ECheckBoxState GetDontAskAgainCheckBoxState()
{
bool bSuppressNotification = false;
GConfig->GetBool(TEXT("AssetEditorSubsystem"), TEXT("SuppressRestorePreviouslyOpenAssetsNotification"), bSuppressNotification, GEditorPerProjectIni);
return bSuppressNotification ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
}
static void OnDontAskAgainCheckBoxStateChanged(ECheckBoxState NewState)
{
const bool bSuppressNotification = (NewState == ECheckBoxState::Checked);
GConfig->SetBool(TEXT("AssetEditorSubsystem"), TEXT("SuppressRestorePreviouslyOpenAssetsNotification"), bSuppressNotification, GEditorPerProjectIni);
}
};
FText NotificationMessage = bCleanShutdown ? LOCTEXT("ReopenAssetEditorsAfterClose", "{0} asset {0}|plural(one=editor was,other=editors were) open when the editor was last closed. Would you like to re-open them?") : LOCTEXT("ReopenAssetEditorsAfterCrash", "{0} asset {0}|plural(one=editor was,other=editors were) open when the editor quit unexpectedly. Would you like to re-open them?");
NotificationMessage = FText::Format(NotificationMessage, AssetsToOpen.Num());
FNotificationInfo Info = FNotificationInfo(NotificationMessage);
// Add the buttons
Info.ButtonDetails.Add(FNotificationButtonInfo(
LOCTEXT("ReopenAssetEditors_Confirm", "Open"),
FText(),
FSimpleDelegate::CreateUObject(this, &UAssetEditorSubsystem::OnConfirmRestorePreviouslyOpenAssets, AssetsToOpen),
SNotificationItem::CS_None));
Info.ButtonDetails.Add(FNotificationButtonInfo(
LOCTEXT("ReopenAssetEditors_Cancel", "Cancel"),
FText(),
FSimpleDelegate::CreateUObject(this, &UAssetEditorSubsystem::OnCancelRestorePreviouslyOpenAssets),
SNotificationItem::CS_None));
// We will let the notification expire automatically after 10 seconds
Info.bFireAndForget = false;
Info.ExpireDuration = 10.0f;
// We want the auto-save to be subtle
Info.bUseLargeFont = false;
Info.bUseThrobber = false;
Info.bUseSuccessFailIcons = false;
// Only let the user suppress the non-crash version
if (bCleanShutdown)
{
Info.CheckBoxState = TAttribute<ECheckBoxState>::Create(&Local::GetDontAskAgainCheckBoxState);
Info.CheckBoxStateChanged = FOnCheckStateChanged::CreateStatic(&Local::OnDontAskAgainCheckBoxStateChanged);
Info.CheckBoxText = NSLOCTEXT("ModalDialogs", "DefaultCheckBoxMessage", "Don't show this again");
}
// Close any existing notification
TSharedPtr<SNotificationItem> RestorePreviouslyOpenAssetsNotification = RestorePreviouslyOpenAssetsNotificationPtr.Pin();
if (RestorePreviouslyOpenAssetsNotification.IsValid())
{
RestorePreviouslyOpenAssetsNotification->ExpireAndFadeout();
}
RestorePreviouslyOpenAssetsNotificationPtr = FSlateNotificationManager::Get().AddNotification(Info);
}
void UAssetEditorSubsystem::OnConfirmRestorePreviouslyOpenAssets(TArray<FString> AssetsToOpen)
{
// Close any existing notification
TSharedPtr<SNotificationItem> RestorePreviouslyOpenAssetsNotification = RestorePreviouslyOpenAssetsNotificationPtr.Pin();
if (RestorePreviouslyOpenAssetsNotification.IsValid())
{
RestorePreviouslyOpenAssetsNotification->SetExpireDuration(0.0f);
RestorePreviouslyOpenAssetsNotification->SetFadeOutDuration(0.5f);
RestorePreviouslyOpenAssetsNotification->ExpireAndFadeout();
// If the user suppressed the notification for future sessions, make sure this is reflected in their settings
// Note: We do that inside this if statement so that we only do it if we were showing a UI they could interact with
bool bSuppressNotification = false;
GConfig->GetBool(TEXT("AssetEditorSubsystem"), TEXT("SuppressRestorePreviouslyOpenAssetsNotification"), bSuppressNotification, GEditorPerProjectIni);
UEditorLoadingSavingSettings& Settings = *GetMutableDefault<UEditorLoadingSavingSettings>();
Settings.bRestoreOpenAssetTabsOnRestart = bSuppressNotification;
Settings.PostEditChange();
// we do this inside the condition so that it can only be done once.
OpenEditorsForAssets(AssetsToOpen);
}
}
void UAssetEditorSubsystem::OnCancelRestorePreviouslyOpenAssets()
{
// Close any existing notification
TSharedPtr<SNotificationItem> RestorePreviouslyOpenAssetsNotification = RestorePreviouslyOpenAssetsNotificationPtr.Pin();
if (RestorePreviouslyOpenAssetsNotification.IsValid())
{
RestorePreviouslyOpenAssetsNotification->SetExpireDuration(0.0f);
RestorePreviouslyOpenAssetsNotification->SetFadeOutDuration(0.5f);
RestorePreviouslyOpenAssetsNotification->ExpireAndFadeout();
}
}
void UAssetEditorSubsystem::SaveOpenAssetEditors(const bool bOnShutdown, const bool bCancelIfDebugger)
{
if (!bSavingOnShutdown && !bAutoRestoreAndDisableSaving)
{
TArray<FString> OpenAssets;
// If bCancelIfDebugger = true, don't save a list of assets to restore if we are running under a debugger
if (!bCancelIfDebugger || !FPlatformMisc::IsDebuggerPresent())
{
for (const TPair<IAssetEditorInstance*, UObject*>& EditorPair: OpenedEditors)
{
IAssetEditorInstance* Editor = EditorPair.Key;
if (Editor != NULL)
{
UObject* EditedObject = EditorPair.Value;
if (EditedObject != NULL)
{
// only record assets that have a valid saved package
UPackage* Package = EditedObject->GetOutermost();
if (Package != NULL && Package->GetFileSize() != 0)
{
OpenAssets.Add(EditedObject->GetPathName());
}
}
}
}
}
GConfig->SetArray(TEXT("AssetEditorSubsystem"), TEXT("OpenAssetsAtExit"), OpenAssets, GEditorPerProjectIni);
GConfig->SetBool(TEXT("AssetEditorSubsystem"), TEXT("CleanShutdown"), bOnShutdown, GEditorPerProjectIni);
GConfig->Flush(false, GEditorPerProjectIni);
}
}
void UAssetEditorSubsystem::HandlePackageReloaded(const EPackageReloadPhase InPackageReloadPhase, FPackageReloadedEvent* InPackageReloadedEvent)
{
static TArray<UObject*> PendingAssetsToOpen;
if (InPackageReloadPhase == EPackageReloadPhase::PrePackageFixup)
{
/** Call close for all old assets even if not open, so global callback will go off */
TArray<UObject*> ObjectsToClose;
const TMap<UObject*, UObject*>& RepointedMap = InPackageReloadedEvent->GetRepointedObjects();
for (const TPair<UObject*, UObject*>& RepointPair: RepointedMap)
{
if (RepointPair.Key->IsAsset())
{
ObjectsToClose.Add(RepointPair.Key);
}
}
/** Look for replacement for assets that are open now so we can reopen */
for (TPair<UObject*, IAssetEditorInstance*>& AssetEditorPair: OpenedAssets)
{
UObject* NewAsset = nullptr;
if (InPackageReloadedEvent->GetRepointedObject(AssetEditorPair.Key, NewAsset))
{
if (NewAsset)
{
PendingAssetsToOpen.AddUnique(NewAsset);
}
ObjectsToClose.AddUnique(AssetEditorPair.Key);
}
}
int32 NumAssetEditorsClosed = 0;
for (UObject* OldAsset: ObjectsToClose)
{
NumAssetEditorsClosed += CloseAllEditorsForAsset(OldAsset);
}
if (NumAssetEditorsClosed > 0)
{
// Closing asset editors might have have left objects pending GC that still reference the asset we're about to reload
// Run a GC now to ensure those are cleaned up before the fix-up phase happens
CollectGarbage(GARBAGE_COLLECTION_KEEPFLAGS);
}
}
if (InPackageReloadPhase == EPackageReloadPhase::PostBatchPostGC)
{
for (UObject* NewAsset: PendingAssetsToOpen)
{
OpenEditorForAsset(NewAsset);
}
PendingAssetsToOpen.Reset();
}
}
void UAssetEditorSubsystem::OpenEditorsForAssets(const TArray<FString>& AssetsToOpen)
{
for (const FString& AssetName: AssetsToOpen)
{
OpenEditorForAsset(AssetName);
}
}
void UAssetEditorSubsystem::OpenEditorsForAssets(const TArray<FName>& AssetsToOpen)
{
for (const FName& AssetName: AssetsToOpen)
{
OpenEditorForAsset(AssetName.ToString());
}
}
void UAssetEditorSubsystem::RegisterEditorModes()
{
for (FThreadSafeObjectIterator EditorModeIter(UEdMode::StaticClass()); EditorModeIter; ++EditorModeIter)
{
UEdMode* EditorMode = Cast<UEdMode>(*EditorModeIter);
UClass* ModeClass = EditorMode->GetClass();
if (ModeClass->HasAnyClassFlags(CLASS_Abstract | CLASS_Interface))
{
continue;
}
FEditorModeInfo EditorModeInfo = EditorMode->GetModeInfo();
if (EditorModes.Contains(EditorModeInfo.ID))
{
TWeakObjectPtr<UClass> RegisteredClass = EditorModes[EditorModeInfo.ID].ModeClass;
UE_LOG(
LogAssetEditorSubsystem,
Warning,
TEXT("UAssetEditorSubsystem::RegisterEditorModes : Attempting to initialize duplicate mode with name '%s'. Conflicting classes: '%s' and '%s'."),
*EditorModeInfo.ID.ToString(),
*ModeClass->GetName(),
*RegisteredClass.Get()->GetName());
continue;
}
EditorModes.Add(
EditorModeInfo.ID,
FRegisteredModeInfo{ModeClass, EditorModeInfo});
OnEditorModeRegisteredEvent.Broadcast(EditorModeInfo.ID);
}
// Initialize Legacy FEditorModes
FEditorModeRegistry::Get().Initialize();
OnEditorModesChangedEvent.Broadcast();
}
void UAssetEditorSubsystem::UnregisterEditorModes()
{
FEditorModeRegistry::Get().Shutdown();
for (const auto& RegisteredMode: EditorModes)
{
OnEditorModeUnregisteredEvent.Broadcast(RegisteredMode.Value.ModeInfo.ID);
}
OnEditorModesChangedEvent.Broadcast();
EditorModes.Empty();
}
#undef LOCTEXT_NAMESPACE