|
|
|
|
| #include "LyraPerfStatWidgetBase.h"
|
|
|
| #include "Engine/GameInstance.h"
|
| #include "Performance/LyraPerformanceStatSubsystem.h"
|
| #include "Styling/CoreStyle.h"
|
|
|
| #include UE_INLINE_GENERATED_CPP_BY_NAME(LyraPerfStatWidgetBase)
|
|
|
| void SLyraLatencyGraph::Construct(const FArguments& InArgs)
|
| {
|
| DesiredSize = InArgs._DesiredSize;
|
| MaxYAxisOfGraph = InArgs._MaxLatencyToGraph;
|
| LineColor = InArgs._LineColor;
|
| BackgroundColor = InArgs._BackgroundColor;
|
| }
|
|
|
| int32 SLyraLatencyGraph::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect,
|
| FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const
|
| {
|
| int32 MaxLayerId = LayerId;
|
|
|
|
|
| FSlateDrawElement::MakeRotatedBox(
|
| OutDrawElements,
|
| MaxLayerId,
|
| AllottedGeometry.ToPaintGeometry(),
|
| FCoreStyle::Get().GetBrush("BlackBrush"),
|
| ESlateDrawEffect::NoPixelSnapping,
|
| 0,
|
| TOptional<FVector2D>(),
|
| FSlateDrawElement::RelativeToElement,
|
| BackgroundColor);
|
|
|
|
|
|
|
| MaxLayerId++;
|
|
|
|
|
| DrawTotalLatency(AllottedGeometry, OutDrawElements, MaxLayerId);
|
|
|
| MaxLayerId++;
|
|
|
| return MaxLayerId;
|
| }
|
|
|
| FVector2D SLyraLatencyGraph::ComputeDesiredSize(float LayoutScaleMultiplier) const
|
| {
|
| return DesiredSize;
|
| }
|
|
|
| void SLyraLatencyGraph::DrawTotalLatency(const FGeometry& AllottedGeometry, FSlateWindowElementList& OutDrawElements, int32 LayerId) const
|
| {
|
| if (!GraphData)
|
| {
|
| return;
|
| }
|
|
|
| static TArray<FVector2D> Points;
|
| Points.Reset(GraphData->GetSampleSize() + 1);
|
|
|
| const FVector2D WidgetSize = AllottedGeometry.GetLocalSize();
|
| const float LineThickness = 1.0f;
|
| const double XSlice = WidgetSize.X / static_cast<double>(GraphData->GetSampleSize());
|
| const double Border = 1.0;
|
|
|
| int32 i = 0;
|
|
|
| GraphData->ForEachCurrentSample([&](const double Stat)
|
| {
|
| double Y = WidgetSize.Y - FMath::Clamp((Stat * ScaleFactor), 0.0, MaxYAxisOfGraph) / MaxYAxisOfGraph * WidgetSize.Y;
|
| Y = FMath::Clamp(Y, Border, WidgetSize.Y - Border);
|
|
|
| Points.Emplace(XSlice * double(++i), Y);
|
| });
|
|
|
|
|
| FSlateDrawElement::MakeLines(
|
| OutDrawElements,
|
| LayerId,
|
| AllottedGeometry.ToPaintGeometry(),
|
| Points,
|
| ESlateDrawEffect::NoPixelSnapping,
|
| LineColor,
|
| false,
|
| LineThickness);
|
| }
|
|
|
|
|
|
|
|
|
| ULyraPerfStatGraph::ULyraPerfStatGraph(const FObjectInitializer& ObjectInitializer)
|
| : Super(ObjectInitializer)
|
| {
|
| SetClipping(EWidgetClipping::ClipToBounds);
|
| }
|
|
|
| TSharedRef<SWidget> ULyraPerfStatGraph::RebuildWidget()
|
| {
|
| return SAssignNew(SlateLatencyGraph, SLyraLatencyGraph);
|
| }
|
|
|
| void ULyraPerfStatGraph::ReleaseSlateResources(bool bReleaseChildren)
|
| {
|
| Super::ReleaseSlateResources(bReleaseChildren);
|
| SlateLatencyGraph.Reset();
|
| }
|
|
|
| void ULyraPerfStatGraph::SetLineColor(const FColor& InColor)
|
| {
|
| SlateLatencyGraph->SetLineColor(InColor);
|
| }
|
|
|
| void ULyraPerfStatGraph::SetMaxYValue(const float InValue)
|
| {
|
| SlateLatencyGraph->SetMaxYValue(InValue);
|
| }
|
|
|
| void ULyraPerfStatGraph::SetBackgroundColor(const FColor& InValue)
|
| {
|
| SlateLatencyGraph->SetBackgroundColor(InValue);
|
| }
|
|
|
| void ULyraPerfStatGraph::UpdateGraphData(const FSampledStatCache* StatData, const float ScaleFactor)
|
| {
|
| SlateLatencyGraph->UpdateGraphData(StatData, ScaleFactor);
|
| }
|
|
|
|
|
|
|
|
|
| double ULyraPerfStatWidgetBase::FetchStatValue()
|
| {
|
| if (ULyraPerformanceStatSubsystem* Subsystem = GetStatSubsystem())
|
| {
|
| return CachedStatSubsystem->GetCachedStat(StatToDisplay);
|
| }
|
| else
|
| {
|
| return 0.0;
|
| }
|
| }
|
|
|
| void ULyraPerfStatWidgetBase::UpdateGraphData(const float ScaleFactor)
|
| {
|
|
|
| if (PerfStatGraph)
|
| {
|
| if (const FSampledStatCache* GraphData = CachedStatSubsystem->GetCachedStatData(StatToDisplay))
|
| {
|
| PerfStatGraph->UpdateGraphData(GraphData, ScaleFactor);
|
| }
|
| }
|
| }
|
|
|
| void ULyraPerfStatWidgetBase::NativeConstruct()
|
| {
|
| Super::NativeConstruct();
|
|
|
|
|
| GetStatSubsystem();
|
|
|
| if (PerfStatGraph)
|
| {
|
| PerfStatGraph->SetLineColor(GraphLineColor);
|
| PerfStatGraph->SetMaxYValue(GraphMaxYValue);
|
| PerfStatGraph->SetBackgroundColor(GraphBackgroundColor);
|
| }
|
| }
|
|
|
| ULyraPerformanceStatSubsystem* ULyraPerfStatWidgetBase::GetStatSubsystem()
|
| {
|
| if (CachedStatSubsystem == nullptr)
|
| {
|
| if (UWorld* World = GetWorld())
|
| {
|
| if (UGameInstance* GameInstance = World->GetGameInstance())
|
| {
|
| CachedStatSubsystem = GameInstance->GetSubsystem<ULyraPerformanceStatSubsystem>();
|
| }
|
| }
|
| }
|
|
|
| return CachedStatSubsystem;
|
| }
|
|
|
