void FVisualLoggerCanvasRenderer::DrawHistogramGraphs(class UCanvas* Canvas, class APlayerController*)
{
if (FLogVisualizer::Get().GetTimeSliderController().IsValid() == false)
{
return;
}
const float GoldenRatioConjugate = 0.618033988749895f;
if (CollectedGraphs.Num() > 0)
{
const FVisualLoggerTimeSliderArgs& TimeSliderArgs = FLogVisualizer::Get().GetTimeSliderController()->GetTimeSliderArgs();
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
const float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
const float LocalSequenceLength = LocalViewRangeMax - LocalViewRangeMin;
const float WindowHalfWidth = LocalSequenceLength * TimeSliderArgs.CursorSize.Get() * 0.5f;
const FVector2D TimeStampWindow(SelectedEntry.TimeStamp - WindowHalfWidth, SelectedEntry.TimeStamp + WindowHalfWidth);
const FColor GraphsBackgroundColor = ULogVisualizerSettings::StaticClass()->GetDefaultObject<ULogVisualizerSettings>()->GraphsBackgroundColor;
const int NumberOfGraphs = CollectedGraphs.Num();
const int32 NumberOfColumns = FMath::CeilToInt(FMath::Sqrt(NumberOfGraphs));
int32 NumberOfRows = FMath::FloorToInt(NumberOfGraphs / NumberOfColumns);
if (NumberOfGraphs - NumberOfRows * NumberOfColumns > 0)
{
NumberOfRows += 1;
}
const int32 MaxNumberOfGraphs = FMath::Max(NumberOfRows, NumberOfColumns);
const float GraphWidth = 0.8f / NumberOfColumns;
const float GraphHeight = 0.8f / NumberOfRows;
const float XGraphSpacing = 0.2f / (MaxNumberOfGraphs + 1);
const float YGraphSpacing = 0.2f / (MaxNumberOfGraphs + 1);
const float StartX = XGraphSpacing;
float StartY = 0.5 + (0.5 * NumberOfRows - 1) * (GraphHeight + YGraphSpacing);
float CurrentX = StartX;
float CurrentY = StartY;
int32 GraphIndex = 0;
int32 CurrentColumn = 0;
int32 CurrentRow = 0;
bool bDrawExtremesOnGraphs = ULogVisualizerSettings::StaticClass()->GetDefaultObject<ULogVisualizerSettings>()->bDrawExtremesOnGraphs;
for (auto It(CollectedGraphs.CreateIterator()); It; ++It)
{
TWeakObjectPtr<UReporterGraph> HistogramGraph = Canvas->GetReporterGraph();
if (!HistogramGraph.IsValid())
{
break;
}
HistogramGraph->SetNumGraphLines(It->Value.GraphLines.Num());
int32 LineIndex = 0;
UFont* Font = GEngine->GetSmallFont();
int32 MaxStringSize = 0;
float Hue = 0;
auto& CategoriesForGraph = UsedGraphCategories.FindOrAdd(It->Key.ToString());
It->Value.GraphLines.KeySort(TLess<FName>());
for (auto LinesIt(It->Value.GraphLines.CreateConstIterator()); LinesIt; ++LinesIt)
{
const FString DataName = LinesIt->Value.DataName.ToString();
int32 CategoryIndex = CategoriesForGraph.Find(DataName);
if (CategoryIndex == INDEX_NONE)
{
CategoryIndex = CategoriesForGraph.AddUnique(DataName);
}
Hue = CategoryIndex * GoldenRatioConjugate;
if (Hue > 1)
{
Hue -= FMath::FloorToFloat(Hue);
}
HistogramGraph->GetGraphLine(LineIndex)->Color = FLinearColor::FGetHSV(Hue * 255, 0, 244);
HistogramGraph->GetGraphLine(LineIndex)->LineName = DataName;
HistogramGraph->GetGraphLine(LineIndex)->Data.Append(LinesIt->Value.Samples);
HistogramGraph->GetGraphLine(LineIndex)->LeftExtreme = LinesIt->Value.LeftExtreme;
HistogramGraph->GetGraphLine(LineIndex)->RightExtreme = LinesIt->Value.RightExtreme;
int32 DummyY, StringSizeX;
StringSize(Font, StringSizeX, DummyY, *LinesIt->Value.DataName.ToString());
MaxStringSize = StringSizeX > MaxStringSize ? StringSizeX : MaxStringSize;
++LineIndex;
}
FVector2D GraphSpaceSize;
GraphSpaceSize.Y = GraphSpaceSize.X = 0.8f / CollectedGraphs.Num();
HistogramGraph->SetGraphScreenSize(CurrentX, CurrentX + GraphWidth, CurrentY, CurrentY + GraphHeight);
CurrentX += GraphWidth + XGraphSpacing;
HistogramGraph->SetAxesMinMax(FVector2D(TimeStampWindow.X, It->Value.Min.Y), FVector2D(TimeStampWindow.Y, It->Value.Max.Y));
HistogramGraph->DrawCursorOnGraph(true);
HistogramGraph->UseTinyFont(CollectedGraphs.Num() >= 5);
HistogramGraph->SetCursorLocation(SelectedEntry.TimeStamp);
HistogramGraph->SetNumThresholds(0);
HistogramGraph->SetStyles(EGraphAxisStyle::Grid, EGraphDataStyle::Lines);
HistogramGraph->SetBackgroundColor(GraphsBackgroundColor);
HistogramGraph->SetLegendPosition(/*bShowHistogramLabelsOutside*/ false ? ELegendPosition::Outside : ELegendPosition::Inside);
HistogramGraph->OffsetDataSets(/*bOffsetDataSet*/false);
HistogramGraph->DrawExtremesOnGraph(bDrawExtremesOnGraphs);
HistogramGraph->bVisible = true;
HistogramGraph->Draw(Canvas);
++GraphIndex;
if (++CurrentColumn >= NumberOfColumns)
{
CurrentColumn = 0;
CurrentRow++;
CurrentX = StartX;
CurrentY -= GraphHeight + YGraphSpacing;
}
}
}
}
void FVisualLoggerCanvasRenderer::DrawHistogramGraphs(class UCanvas* Canvas, class APlayerController*)
{
struct FGraphLineData
{
FName DataName;
FVector2D LeftExtreme, RightExtreme;
TArray<FVector2D> Samples;
};
struct FGraphData
{
FGraphData() : Min(FVector2D(FLT_MAX, FLT_MAX)), Max(FVector2D(FLT_MIN, FLT_MIN)) {}
FVector2D Min, Max;
TMap<FName, FGraphLineData> GraphLines;
};
if (FLogVisualizer::Get().GetTimeSliderController().IsValid() == false)
{
return;
}
TMap<FName, FGraphData> CollectedGraphs;
const FVisualLoggerTimeSliderArgs& TimeSliderArgs = FLogVisualizer::Get().GetTimeSliderController()->GetTimeSliderArgs();
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
const float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
const float LocalSequenceLength = LocalViewRangeMax - LocalViewRangeMin;
const float WindowHalfWidth = LocalSequenceLength * TimeSliderArgs.CursorSize.Get() * 0.5f;
const FVector2D TimeStampWindow(SelectedEntry.TimeStamp - WindowHalfWidth, SelectedEntry.TimeStamp + WindowHalfWidth);
const TArray<FVisualLogDevice::FVisualLogEntryItem> &ObjectItems = CurrentTimeLine.Pin()->GetEntries();
int32 ColorIndex = 0;
int32 LeftSideOutsideIndex = INDEX_NONE;
int32 RightSideOutsideIndex = INDEX_NONE;
for (int32 EntryIndex = 0; EntryIndex < ObjectItems.Num(); ++EntryIndex)
{
const FVisualLogEntry* CurrentEntry = &(ObjectItems[EntryIndex].Entry);
if (CurrentEntry->TimeStamp < TimeStampWindow.X)
{
LeftSideOutsideIndex = EntryIndex;
continue;
}
if (CurrentEntry->TimeStamp > TimeStampWindow.Y)
{
RightSideOutsideIndex = EntryIndex;
break;
}
const int32 SamplesNum = CurrentEntry->HistogramSamples.Num();
for (int32 SampleIndex = 0; SampleIndex < SamplesNum; ++SampleIndex)
{
FVisualLogHistogramSample CurrentSample = CurrentEntry->HistogramSamples[SampleIndex];
const FName CurrentCategory = CurrentSample.Category;
const FName CurrentGraphName = CurrentSample.GraphName;
const FName CurrentDataName = CurrentSample.DataName;
FString GraphFilterName = CurrentSample.GraphName.ToString() +TEXT("$") + CurrentSample.DataName.ToString();
const bool bIsValidByFilter = FCategoryFiltersManager::Get().MatchCategoryFilters(GraphFilterName, ELogVerbosity::All);
if (bIsValidByFilter)
{
FGraphData &GraphData = CollectedGraphs.FindOrAdd(CurrentSample.GraphName);
FGraphLineData &LineData = GraphData.GraphLines.FindOrAdd(CurrentSample.DataName);
LineData.DataName = CurrentSample.DataName;
LineData.Samples.Add(CurrentSample.SampleValue);
GraphData.Min.X = FMath::Min(GraphData.Min.X, CurrentSample.SampleValue.X);
GraphData.Min.Y = FMath::Min(GraphData.Min.Y, CurrentSample.SampleValue.Y);
GraphData.Max.X = FMath::Max(GraphData.Max.X, CurrentSample.SampleValue.X);
GraphData.Max.Y = FMath::Max(GraphData.Max.Y, CurrentSample.SampleValue.Y);
}
}
}
const int32 ExtremeValueIndexes[] = { LeftSideOutsideIndex != INDEX_NONE ? LeftSideOutsideIndex : 0, RightSideOutsideIndex != INDEX_NONE ? RightSideOutsideIndex : ObjectItems.Num() - 1 };
for (int32 ObjectIndex = 0; ObjectIndex < 2; ++ObjectIndex)
{
const FVisualLogEntry* CurrentEntry = &(ObjectItems[ExtremeValueIndexes[ObjectIndex]].Entry);
const int32 SamplesNum = CurrentEntry->HistogramSamples.Num();
for (int32 SampleIndex = 0; SampleIndex < SamplesNum; ++SampleIndex)
{
FVisualLogHistogramSample CurrentSample = CurrentEntry->HistogramSamples[SampleIndex];
const FName CurrentCategory = CurrentSample.Category;
const FName CurrentGraphName = CurrentSample.GraphName;
const FName CurrentDataName = CurrentSample.DataName;
FString GraphFilterName = CurrentSample.GraphName.ToString() + TEXT("_") + CurrentSample.DataName.ToString();
const bool bIsValidByFilter = FCategoryFiltersManager::Get().MatchCategoryFilters(GraphFilterName, ELogVerbosity::All);
if (bIsValidByFilter)
{
FGraphData &GraphData = CollectedGraphs.FindOrAdd(CurrentSample.GraphName);
FGraphLineData &LineData = GraphData.GraphLines.FindOrAdd(CurrentSample.DataName);
LineData.DataName = CurrentSample.DataName;
if (ObjectIndex == 0)
LineData.LeftExtreme = CurrentSample.SampleValue;
else
LineData.RightExtreme = CurrentSample.SampleValue;
}
}
}
const float GoldenRatioConjugate = 0.618033988749895f;
if (CollectedGraphs.Num() > 0)
{
const FColor GraphsBackgroundColor = ULogVisualizerSettings::StaticClass()->GetDefaultObject<ULogVisualizerSettings>()->GraphsBackgroundColor;
const int NumberOfGraphs = CollectedGraphs.Num();
const int32 NumberOfColumns = FMath::CeilToInt(FMath::Sqrt(NumberOfGraphs));
int32 NumberOfRows = FMath::FloorToInt(NumberOfGraphs / NumberOfColumns);
if (NumberOfGraphs - NumberOfRows * NumberOfColumns > 0)
{
NumberOfRows += 1;
}
const int32 MaxNumberOfGraphs = FMath::Max(NumberOfRows, NumberOfColumns);
const float GraphWidth = 0.8f / NumberOfColumns;
const float GraphHeight = 0.8f / NumberOfRows;
const float XGraphSpacing = 0.2f / (MaxNumberOfGraphs + 1);
const float YGraphSpacing = 0.2f / (MaxNumberOfGraphs + 1);
const float StartX = XGraphSpacing;
float StartY = 0.5 + (0.5 * NumberOfRows - 1) * (GraphHeight + YGraphSpacing);
float CurrentX = StartX;
float CurrentY = StartY;
int32 GraphIndex = 0;
int32 CurrentColumn = 0;
int32 CurrentRow = 0;
bool bDrawExtremesOnGraphs = ULogVisualizerSettings::StaticClass()->GetDefaultObject<ULogVisualizerSettings>()->bDrawExtremesOnGraphs;
for (auto It(CollectedGraphs.CreateIterator()); It; ++It)
{
TWeakObjectPtr<UReporterGraph> HistogramGraph = Canvas->GetReporterGraph();
if (!HistogramGraph.IsValid())
{
break;
}
HistogramGraph->SetNumGraphLines(It->Value.GraphLines.Num());
int32 LineIndex = 0;
UFont* Font = GEngine->GetSmallFont();
int32 MaxStringSize = 0;
float Hue = 0;
auto& CategoriesForGraph = UsedGraphCategories.FindOrAdd(It->Key.ToString());
It->Value.GraphLines.KeySort(TLess<FName>());
for (auto LinesIt(It->Value.GraphLines.CreateConstIterator()); LinesIt; ++LinesIt)
{
const FString DataName = LinesIt->Value.DataName.ToString();
int32 CategoryIndex = CategoriesForGraph.Find(DataName);
if (CategoryIndex == INDEX_NONE)
{
CategoryIndex = CategoriesForGraph.AddUnique(DataName);
}
Hue = CategoryIndex * GoldenRatioConjugate;
if (Hue > 1)
{
Hue -= FMath::FloorToFloat(Hue);
}
HistogramGraph->GetGraphLine(LineIndex)->Color = FLinearColor::FGetHSV(Hue * 255, 0, 244);
HistogramGraph->GetGraphLine(LineIndex)->LineName = DataName;
HistogramGraph->GetGraphLine(LineIndex)->Data.Append(LinesIt->Value.Samples);
HistogramGraph->GetGraphLine(LineIndex)->LeftExtreme = LinesIt->Value.LeftExtreme;
HistogramGraph->GetGraphLine(LineIndex)->RightExtreme = LinesIt->Value.RightExtreme;
int32 DummyY, StringSizeX;
StringSize(Font, StringSizeX, DummyY, *LinesIt->Value.DataName.ToString());
MaxStringSize = StringSizeX > MaxStringSize ? StringSizeX : MaxStringSize;
++LineIndex;
}
FVector2D GraphSpaceSize;
GraphSpaceSize.Y = GraphSpaceSize.X = 0.8f / CollectedGraphs.Num();
HistogramGraph->SetGraphScreenSize(CurrentX, CurrentX + GraphWidth, CurrentY, CurrentY + GraphHeight);
CurrentX += GraphWidth + XGraphSpacing;
HistogramGraph->SetAxesMinMax(FVector2D(TimeStampWindow.X, It->Value.Min.Y), FVector2D(TimeStampWindow.Y, It->Value.Max.Y));
HistogramGraph->DrawCursorOnGraph(true);
HistogramGraph->UseTinyFont(CollectedGraphs.Num() >= 5);
HistogramGraph->SetCursorLocation(SelectedEntry.TimeStamp);
HistogramGraph->SetNumThresholds(0);
HistogramGraph->SetStyles(EGraphAxisStyle::Grid, EGraphDataStyle::Lines);
HistogramGraph->SetBackgroundColor(GraphsBackgroundColor);
HistogramGraph->SetLegendPosition(/*bShowHistogramLabelsOutside*/ false ? ELegendPosition::Outside : ELegendPosition::Inside);
HistogramGraph->OffsetDataSets(/*bOffsetDataSet*/false);
HistogramGraph->DrawExtremesOnGraph(bDrawExtremesOnGraphs);
HistogramGraph->bVisible = true;
HistogramGraph->Draw(Canvas);
++GraphIndex;
if (++CurrentColumn >= NumberOfColumns)
{
CurrentColumn = 0;
CurrentRow++;
CurrentX = StartX;
CurrentY -= GraphHeight + YGraphSpacing;
}
}
}
}
