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EM_Task/UnrealEd/Private/DDC/SDDCStatusIndicator.cpp

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2026-02-13 16:18:33 +08:00
// Copyright Epic Games, Inc. All Rights Reserved.
#include "DDC/SDDCStatusIndicator.h"
#include "DDC/SDDCInformation.h"
#include "DerivedDataCacheInterface.h"
#include "Widgets/SBoxPanel.h"
#include "Widgets/SToolTip.h"
#include "Widgets/Text/STextBlock.h"
#include "Widgets/Layout/SBorder.h"
#include "EditorStyleSet.h"
#include "EditorFontGlyphs.h"
#include "DerivedDataCacheUsageStats.h"
#include "Stats/Stats.h"
#include "Widgets/SOverlay.h"
#include "Settings/EditorSettings.h"
#include "Framework/Notifications/NotificationManager.h"
#include "Widgets/Notifications/SNotificationList.h"
#include "Async/Future.h"
#include "Settings/EditorProjectSettings.h"
#include "Modules/ModuleManager.h"
#include "ISettingsModule.h"
#define LOCTEXT_NAMESPACE "SDDCStatusIndicator"
void SDDCStatusIndicator::Construct(const FArguments& InArgs)
{
FDerivedDataCacheInterface* DDC = GetDerivedDataCache();
const FString DDCGraphName = FName::NameToDisplayString(FString(DDC->GetGraphName()), false);
const FText DDCLabel = FText::FromString(DDC->IsDefaultGraph() ? TEXT("DDC") : DDCGraphName);
/*FDerivedDataCacheInterface::FOnDDCNotification& DDCNotificationEvent = GetDerivedDataCacheRef().GetDDCNotificationEvent();
if (bSubscribe)
{
DDCNotificationEvent.AddRaw(this, &FDDCNotifications::OnDDCNotificationEvent);
}
else
{
DDCNotificationEvent.RemoveAll(this);
}*/
BusyPulseSequence = FCurveSequence(0.f, 1.0f, ECurveEaseFunction::QuadInOut);
FadeGetSequence = FCurveSequence(0.f, 0.5f, ECurveEaseFunction::Linear);
FadePutSequence = FCurveSequence(0.f, 0.5f, ECurveEaseFunction::Linear);
this->ChildSlot
[SNew(SBorder)
.BorderImage(FEditorStyle::GetBrush("SProjectBadge.BadgeShape"))
.Padding(FMargin(10.0f, 4.0f))
.BorderBackgroundColor(FColor::Black)
.ToolTip(SNew(SToolTip)[SNew(SDDCInformation)])
[SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.AutoWidth()
.VAlign(VAlign_Center)
.Padding(0, 0, 3, 0)
[SNew(SOverlay)
+ SOverlay::Slot()
.HAlign(HAlign_Center)
.VAlign(VAlign_Top)
.Padding(0, 0, 4, 4)
[SNew(STextBlock)
.ColorAndOpacity_Lambda([this]
{
return FLinearColor::Red.CopyWithNewOpacity(FadePutSequence.GetLerp());
})
.Font(FEditorStyle::Get().GetFontStyle("FontAwesome.8"))
.Text(FEditorFontGlyphs::Arrow_Up)]
+ SOverlay::Slot().HAlign(HAlign_Center).VAlign(VAlign_Bottom).Padding(4, 4, 0, 0)[SNew(STextBlock).ColorAndOpacity_Lambda([this]
{
return FLinearColor::Green.CopyWithNewOpacity(FadeGetSequence.GetLerp());
})
.Font(FEditorStyle::Get().GetFontStyle("FontAwesome.8"))
.Text(FEditorFontGlyphs::Arrow_Down)]]
+ SHorizontalBox::Slot().AutoWidth().VAlign(VAlign_Center).Padding(0, 0, 3, 0)[SNew(STextBlock).ColorAndOpacity_Lambda([this]
{
return FLinearColor::White.CopyWithNewOpacity(0.5f + (0.5f * FMath::MakePulsatingValue(BusyPulseSequence.GetLerp(), 1)));
})
.Font(FEditorStyle::Get().GetFontStyle("FontAwesome.12"))
.Text(FEditorFontGlyphs::Server)]
+ SHorizontalBox::Slot().AutoWidth().VAlign(VAlign_Center).Padding(0, 0, 10, 0)[SNew(STextBlock).Text(DDCLabel)]]];
LastDDCGetTime = GetDDCTime(true);
LastDDCPutTime = GetDDCTime(false);
RegisterActiveTimer(0.5f, FWidgetActiveTimerDelegate::CreateSP(this, &SDDCStatusIndicator::UpdateBusyIndicator));
RegisterActiveTimer(5.0f, FWidgetActiveTimerDelegate::CreateSP(this, &SDDCStatusIndicator::UpdateWarnings));
}
EActiveTimerReturnType SDDCStatusIndicator::UpdateBusyIndicator(double InCurrentTime, float InDeltaTime)
{
const double OldLastDDCGetTime = LastDDCGetTime;
const double OldLastDDCPutTime = LastDDCPutTime;
LastDDCGetTime = GetDDCTime(true);
LastDDCPutTime = GetDDCTime(false);
FadeGetSequence.PlayRelative(this->AsShared(), OldLastDDCGetTime != LastDDCGetTime);
FadePutSequence.PlayRelative(this->AsShared(), OldLastDDCPutTime != LastDDCPutTime);
if (GetDerivedDataCache()->AnyAsyncRequestsRemaining())
{
if (!BusyPulseSequence.IsPlaying())
{
BusyPulseSequence.Play(this->AsShared(), true);
}
}
else
{
BusyPulseSequence.JumpToEnd();
BusyPulseSequence.Pause();
}
return EActiveTimerReturnType::Continue;
}
double SDDCStatusIndicator::GetDDCTime(bool bGet) const
{
int64 TotalCycles = 0;
PRAGMA_DISABLE_DEPRECATION_WARNINGS
TSharedRef<FDerivedDataCacheStatsNode> RootUsage = GetDerivedDataCache()->GatherUsageStats();
PRAGMA_ENABLE_DEPRECATION_WARNINGS
for (const auto& KVP: RootUsage->Stats)
{
const FDerivedDataCacheUsageStats& Stats = KVP.Value;
if (bGet)
{
TotalCycles +=
(Stats.GetStats.GetAccumulatedValueAnyThread(FCookStats::CallStats::EHitOrMiss::Hit, FCookStats::CallStats::EStatType::Cycles) +
Stats.GetStats.GetAccumulatedValueAnyThread(FCookStats::CallStats::EHitOrMiss::Miss, FCookStats::CallStats::EStatType::Cycles));
}
else
{
TotalCycles +=
(Stats.PrefetchStats.GetAccumulatedValueAnyThread(FCookStats::CallStats::EHitOrMiss::Hit, FCookStats::CallStats::EStatType::Cycles) +
Stats.PrefetchStats.GetAccumulatedValueAnyThread(FCookStats::CallStats::EHitOrMiss::Miss, FCookStats::CallStats::EStatType::Cycles));
TotalCycles +=
(Stats.PutStats.GetAccumulatedValueAnyThread(FCookStats::CallStats::EHitOrMiss::Hit, FCookStats::CallStats::EStatType::Cycles) +
Stats.PutStats.GetAccumulatedValueAnyThread(FCookStats::CallStats::EHitOrMiss::Miss, FCookStats::CallStats::EStatType::Cycles));
}
}
return TotalCycles * FPlatformTime::GetSecondsPerCycle();
}
EActiveTimerReturnType SDDCStatusIndicator::UpdateWarnings(double InCurrentTime, float InDeltaTime)
{
const UEditorSettings* Settings = GetDefault<UEditorSettings>();
const UDDCProjectSettings* DDCProjectSettings = GetDefault<UDDCProjectSettings>();
if (DDCProjectSettings->RecommendEveryoneSetupAGlobalLocalDDCPath && Settings->GlobalLocalDDCPath.Path.IsEmpty())
{
TPromise<TWeakPtr<SNotificationItem>> NotificationPromise;
FNotificationInfo Info(LOCTEXT("SharedProjectLocalDDC", "This project recommends you setup the 'Global Local DDC Path', \nso that all copies of this project use the same local DDC cache."));
Info.bUseSuccessFailIcons = true;
Info.Image = FEditorStyle::GetBrush(TEXT("MessageLog.Warning"));
Info.bFireAndForget = false;
Info.bUseThrobber = false;
Info.FadeOutDuration = 0.0f;
Info.ExpireDuration = 0.0f;
Info.ButtonDetails.Add(FNotificationButtonInfo(LOCTEXT("UpdateSettings", "Update Settings"), FText(), FSimpleDelegate::CreateLambda([NotificationFuture = NotificationPromise.GetFuture().Share()]()
{
FModuleManager::LoadModuleChecked<ISettingsModule>("Settings").ShowViewer("Editor", "General", "Global");
TWeakPtr<SNotificationItem> NotificationPtr = NotificationFuture.Get();
if (TSharedPtr<SNotificationItem> Notification = NotificationPtr.Pin())
{
Notification->SetCompletionState(SNotificationItem::CS_None);
Notification->ExpireAndFadeout();
}
})));
TSharedPtr<SNotificationItem> NotificationItem = FSlateNotificationManager::Get().AddNotification(Info);
if (NotificationItem.IsValid())
{
NotificationPromise.SetValue(NotificationItem);
NotificationItem->SetCompletionState(SNotificationItem::CS_Pending);
}
}
if (DDCProjectSettings->RecommendEveryoneSetupAGlobalS3DDCPath && (Settings->bEnableS3DDC && Settings->GlobalS3DDCPath.Path.IsEmpty()))
{
TPromise<TWeakPtr<SNotificationItem>> NotificationPromise;
FNotificationInfo Info(LOCTEXT("SharedProjectS3DDC", "This project recommends you setup the 'Global Local S3 DDC Path', \nso that all copies of this project use the same local S3 DDC cache."));
Info.bUseSuccessFailIcons = true;
Info.Image = FEditorStyle::GetBrush(TEXT("MessageLog.Warning"));
Info.bFireAndForget = false;
Info.bUseThrobber = false;
Info.FadeOutDuration = 0.0f;
Info.ExpireDuration = 0.0f;
Info.ButtonDetails.Add(FNotificationButtonInfo(LOCTEXT("UpdateSettings", "Update Settings"), FText(), FSimpleDelegate::CreateLambda([NotificationFuture = NotificationPromise.GetFuture().Share()]()
{
FModuleManager::LoadModuleChecked<ISettingsModule>("Settings").ShowViewer("Editor", "General", "Global");
TWeakPtr<SNotificationItem> NotificationPtr = NotificationFuture.Get();
if (TSharedPtr<SNotificationItem> Notification = NotificationPtr.Pin())
{
Notification->SetCompletionState(SNotificationItem::CS_None);
Notification->ExpireAndFadeout();
}
})));
TSharedPtr<SNotificationItem> NotificationItem = FSlateNotificationManager::Get().AddNotification(Info);
if (NotificationItem.IsValid())
{
NotificationPromise.SetValue(NotificationItem);
NotificationItem->SetCompletionState(SNotificationItem::CS_Pending);
}
}
return EActiveTimerReturnType::Stop;
}
#undef LOCTEXT_NAMESPACE
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