Files
UnrealEngine/Engine/Source/Editor/MaterialEditor/Private/SMaterialParametersOverviewWidget.cpp
2025-05-18 13:04:45 +08:00

973 lines
33 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "SMaterialParametersOverviewWidget.h"
#include "MaterialEditor/DEditorFontParameterValue.h"
#include "MaterialEditor/DEditorMaterialLayersParameterValue.h"
#include "MaterialEditor/DEditorScalarParameterValue.h"
#include "MaterialEditor/DEditorStaticComponentMaskParameterValue.h"
#include "MaterialEditor/DEditorStaticSwitchParameterValue.h"
#include "MaterialEditor/DEditorTextureParameterValue.h"
#include "MaterialEditor/DEditorVectorParameterValue.h"
#include "MaterialEditor/MaterialEditorInstanceConstant.h"
#include "Materials/Material.h"
#include "PropertyHandle.h"
#include "Modules/ModuleManager.h"
#include "PropertyEditorModule.h"
#include "ISinglePropertyView.h"
#include "Materials/MaterialInstanceConstant.h"
#include "Styling/AppStyle.h"
#include "PropertyCustomizationHelpers.h"
#include "ScopedTransaction.h"
#include "IPropertyRowGenerator.h"
#include "Widgets/Views/STreeView.h"
#include "IDetailTreeNode.h"
#include "AssetThumbnail.h"
#include "MaterialEditorInstanceDetailCustomization.h"
#include "MaterialPropertyHelpers.h"
#include "DetailWidgetRow.h"
#include "Widgets/Input/SCheckBox.h"
#include "EditorSupportDelegates.h"
#include "Widgets/Images/SImage.h"
#include "MaterialEditor/MaterialEditorPreviewParameters.h"
#include "Widgets/Input/SButton.h"
#include "Widgets/Text/SInlineEditableTextBlock.h"
#include "Materials/MaterialFunction.h"
#include "Materials/MaterialFunctionInstance.h"
#include "Materials/MaterialFunctionInterface.h"
#include "Materials/MaterialExpressionTextureSampleParameter.h"
#include "Framework/Application/SlateApplication.h"
#include "Widgets/Input/SEditableTextBox.h"
#include "Curves/CurveLinearColor.h"
#include "Curves/CurveLinearColorAtlas.h"
#include "Widgets/Views/SExpanderArrow.h"
#include "Widgets/Layout/SWidgetSwitcher.h"
#include "MaterialEditor/DEditorRuntimeVirtualTextureParameterValue.h"
#include "MaterialEditor/DEditorSparseVolumeTextureParameterValue.h"
#include "ThumbnailRendering/ThumbnailManager.h"
#include "Styling/StyleColors.h"
#define LOCTEXT_NAMESPACE "MaterialLayerCustomization"
FString SMaterialParametersOverviewTreeItem::GetCurvePath(UDEditorScalarParameterValue* Parameter) const
{
FString Path = Parameter->AtlasData.Curve->GetPathName();
return Path;
}
const FSlateBrush* SMaterialParametersOverviewTreeItem::GetBorderImage() const
{
return FAppStyle::Get().GetBrush("DetailsView.CategoryMiddle");
}
FSlateColor SMaterialParametersOverviewTreeItem::GetOuterBackgroundColor(TSharedPtr<FSortedParamData> InParamData) const
{
if (IsHovered() || InParamData->StackDataType == EStackDataType::Group)
{
return FAppStyle::Get().GetSlateColor("Colors.Header");
}
return FAppStyle::Get().GetSlateColor("Colors.Panel");
}
void SMaterialParametersOverviewTreeItem::RefreshOnRowChange(const FAssetData& AssetData, TSharedPtr<SMaterialParametersOverviewTree> InTree)
{
if (InTree.IsValid())
{
InTree->CreateGroupsWidget();
}
}
void SMaterialParametersOverviewTreeItem::Construct(const FArguments& InArgs, const TSharedRef<STableViewBase>& InOwnerTableView)
{
StackParameterData = InArgs._StackParameterData;
MaterialEditorInstance = InArgs._MaterialEditorInstance;
Tree = InArgs._InTree;
TSharedRef<SWidget> LeftSideWidget = SNullWidget::NullWidget;
TSharedRef<SWidget> RightSideWidget = SNullWidget::NullWidget;
FText NameOverride;
TSharedRef<SVerticalBox> WrapperWidget = SNew(SVerticalBox);
// GROUP --------------------------------------------------
if (StackParameterData->StackDataType == EStackDataType::Group)
{
NameOverride = FText::FromName(StackParameterData->Group.GroupName);
LeftSideWidget = SNew(STextBlock)
.TransformPolicy(ETextTransformPolicy::ToUpper)
.Text(NameOverride)
.Font(FAppStyle::Get().GetFontStyle("PropertyWindow.BoldFont"))
.TextStyle(FAppStyle::Get(), "DetailsView.CategoryTextStyle");
}
// END GROUP
// PROPERTY ----------------------------------------------
bool bisPaddedProperty = false;
if (StackParameterData->StackDataType == EStackDataType::Property)
{
UDEditorStaticComponentMaskParameterValue* CompMaskParam = Cast<UDEditorStaticComponentMaskParameterValue>(StackParameterData->Parameter);
UDEditorVectorParameterValue* VectorParam = Cast<UDEditorVectorParameterValue>(StackParameterData->Parameter);
UDEditorScalarParameterValue* ScalarParam = Cast<UDEditorScalarParameterValue>(StackParameterData->Parameter);
UDEditorTextureParameterValue* TextureParam = Cast<UDEditorTextureParameterValue>(StackParameterData->Parameter);
TAttribute<bool> IsParamEnabled = TAttribute<bool>::Create(TAttribute<bool>::FGetter::CreateStatic(&FMaterialPropertyHelpers::IsOverriddenExpression, StackParameterData->Parameter));
NameOverride = FText::FromName(StackParameterData->Parameter->ParameterInfo.Name);
IDetailTreeNode& Node = *StackParameterData->ParameterNode;
TSharedPtr<IDetailPropertyRow> GeneratedRow = StaticCastSharedPtr<IDetailPropertyRow>(Node.GetRow());
IDetailPropertyRow& Row = *GeneratedRow.Get();
Row.DisplayName(NameOverride);
if (VectorParam && VectorParam->bIsUsedAsChannelMask)
{
FOnGetPropertyComboBoxStrings GetMaskStrings = FOnGetPropertyComboBoxStrings::CreateStatic(&FMaterialPropertyHelpers::GetVectorChannelMaskComboBoxStrings);
FOnGetPropertyComboBoxValue GetMaskValue = FOnGetPropertyComboBoxValue::CreateStatic(&FMaterialPropertyHelpers::GetVectorChannelMaskValue, StackParameterData->Parameter);
FOnPropertyComboBoxValueSelected SetMaskValue = FOnPropertyComboBoxValueSelected::CreateStatic(&FMaterialPropertyHelpers::SetVectorChannelMaskValue, StackParameterData->ParameterNode->CreatePropertyHandle(), StackParameterData->Parameter, (UObject*)MaterialEditorInstance);
FDetailWidgetRow& CustomWidget = Row.CustomWidget();
CustomWidget
.FilterString(NameOverride)
.NameContent()
[
SNew(STextBlock)
.Text(NameOverride)
.ToolTipText(FMaterialPropertyHelpers::GetParameterExpressionDescription(StackParameterData->Parameter, MaterialEditorInstance))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
.ValueContent()
.MaxDesiredWidth(200.0f)
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.FillWidth(1.0f)
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.AutoWidth()
[
PropertyCustomizationHelpers::MakePropertyComboBox(StackParameterData->ParameterNode->CreatePropertyHandle(), GetMaskStrings, GetMaskValue, SetMaskValue)
]
]
];
}
else if (ScalarParam && ScalarParam->AtlasData.bIsUsedAsAtlasPosition)
{
const FText ParameterName = FText::FromName(StackParameterData->Parameter->ParameterInfo.Name);
FDetailWidgetRow& CustomWidget = Row.CustomWidget();
CustomWidget
.FilterString(ParameterName)
.NameContent()
[
SNew(STextBlock)
.Text(ParameterName)
.ToolTipText(FMaterialPropertyHelpers::GetParameterExpressionDescription(StackParameterData->Parameter, MaterialEditorInstance))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
.ValueContent()
.HAlign(HAlign_Fill)
.MaxDesiredWidth(400.0f)
[
SNew(SObjectPropertyEntryBox)
.ObjectPath(this, &SMaterialParametersOverviewTreeItem::GetCurvePath, ScalarParam)
.AllowedClass(UCurveLinearColor::StaticClass())
.NewAssetFactories(TArray<UFactory*>())
.DisplayThumbnail(true)
.ThumbnailPool(Tree.Pin()->GetTreeThumbnailPool())
.OnShouldFilterAsset(FOnShouldFilterAsset::CreateStatic(&FMaterialPropertyHelpers::OnShouldFilterCurveAsset, ScalarParam->AtlasData.Atlas))
.OnShouldSetAsset(FOnShouldSetAsset::CreateStatic(&FMaterialPropertyHelpers::OnShouldSetCurveAsset, ScalarParam->AtlasData.Atlas))
.OnObjectChanged(FOnSetObject::CreateStatic(&FMaterialPropertyHelpers::SetPositionFromCurveAsset, ScalarParam->AtlasData.Atlas, ScalarParam, StackParameterData->ParameterHandle, (UObject*)MaterialEditorInstance))
.DisplayCompactSize(true)
];
}
else if (TextureParam)
{
UMaterial *Material = MaterialEditorInstance->PreviewMaterial;
if (Material != nullptr)
{
UMaterialExpressionTextureSampleParameter* Expression = Material->FindExpressionByGUID<UMaterialExpressionTextureSampleParameter>(TextureParam->ExpressionId);
if (Expression != nullptr)
{
TWeakObjectPtr<UMaterialExpressionTextureSampleParameter> SamplerExpression = Expression;
TSharedPtr<SWidget> NameWidget;
TSharedPtr<SWidget> ValueWidget;
FDetailWidgetRow DefaultRow;
Row.GetDefaultWidgets(NameWidget, ValueWidget, DefaultRow);
FDetailWidgetRow &DetailWidgetRow = Row.CustomWidget();
TSharedPtr<SVerticalBox> NameVerticalBox;
DetailWidgetRow.NameContent()
[
SAssignNew(NameVerticalBox, SVerticalBox)
+ SVerticalBox::Slot()
.AutoHeight()
[
SNew(STextBlock)
.Text(FText::FromName(StackParameterData->Parameter->ParameterInfo.Name))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
];
DetailWidgetRow.ValueContent()
.MinDesiredWidth(DefaultRow.ValueWidget.MinWidth)
.MaxDesiredWidth(DefaultRow.ValueWidget.MaxWidth)
[
SNew(SObjectPropertyEntryBox)
.PropertyHandle(StackParameterData->ParameterNode->CreatePropertyHandle())
.AllowedClass(UTexture::StaticClass())
.ThumbnailPool(Tree.Pin()->GetTreeThumbnailPool())
.OnShouldFilterAsset_Lambda([SamplerExpression](const FAssetData& AssetData)
{
if (SamplerExpression.Get())
{
bool VirtualTextured = false;
AssetData.GetTagValue<bool>("VirtualTextureStreaming", VirtualTextured);
bool ExpressionIsVirtualTextured = IsVirtualSamplerType(SamplerExpression->SamplerType);
return VirtualTextured != ExpressionIsVirtualTextured;
}
else
{
return false;
}
})
];
static const FName Red("R");
static const FName Green("G");
static const FName Blue("B");
static const FName Alpha("A");
if (!TextureParam->ChannelNames.R.IsEmpty())
{
NameVerticalBox->AddSlot()
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.AutoWidth()
.Padding(20.0, 2.0, 4.0, 2.0)
[
SNew(STextBlock)
.Text(FText::FromName(Red))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.BoldFont")))
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.Padding(4.0, 2.0)
[
SNew(STextBlock)
.Text(TextureParam->ChannelNames.R)
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
];
}
if (!TextureParam->ChannelNames.G.IsEmpty())
{
NameVerticalBox->AddSlot()
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.Padding(20.0, 2.0, 4.0, 2.0)
.AutoWidth()
[
SNew(STextBlock)
.Text(FText::FromName(Green))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.BoldFont")))
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.Padding(4.0, 2.0)
[
SNew(STextBlock)
.Text(TextureParam->ChannelNames.G)
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
];
}
if (!TextureParam->ChannelNames.B.IsEmpty())
{
NameVerticalBox->AddSlot()
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.Padding(20.0, 2.0, 4.0, 2.0)
.AutoWidth()
[
SNew(STextBlock)
.Text(FText::FromName(Blue))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.BoldFont")))
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.Padding(4.0, 2.0)
[
SNew(STextBlock)
.Text(TextureParam->ChannelNames.B)
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
];
}
if (!TextureParam->ChannelNames.A.IsEmpty())
{
NameVerticalBox->AddSlot()
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.Padding(20.0, 2.0, 4.0, 2.0)
.AutoWidth()
[
SNew(STextBlock)
.Text(FText::FromName(Alpha))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.BoldFont")))
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.Padding(4.0, 2.0)
[
SNew(STextBlock)
.Text(TextureParam->ChannelNames.A)
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
];
}
}
}
}
else if (CompMaskParam)
{
TSharedPtr<IPropertyHandle> RMaskProperty = StackParameterData->ParameterNode->CreatePropertyHandle()->GetChildHandle("R");
TSharedPtr<IPropertyHandle> GMaskProperty = StackParameterData->ParameterNode->CreatePropertyHandle()->GetChildHandle("G");
TSharedPtr<IPropertyHandle> BMaskProperty = StackParameterData->ParameterNode->CreatePropertyHandle()->GetChildHandle("B");
TSharedPtr<IPropertyHandle> AMaskProperty = StackParameterData->ParameterNode->CreatePropertyHandle()->GetChildHandle("A");
FDetailWidgetRow& CustomWidget = Row.CustomWidget();
CustomWidget
.FilterString(NameOverride)
.NameContent()
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.VAlign(VAlign_Center)
[
SNew(STextBlock)
.Text(NameOverride)
.ToolTipText(FMaterialPropertyHelpers::GetParameterExpressionDescription(StackParameterData->Parameter, MaterialEditorInstance))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
]
.ValueContent()
.MaxDesiredWidth(200.0f)
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.FillWidth(1.0f)
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.AutoWidth()
[
RMaskProperty->CreatePropertyNameWidget()
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.AutoWidth()
[
RMaskProperty->CreatePropertyValueWidget()
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.Padding(FMargin(10.0f, 0.0f, 0.0f, 0.0f))
.AutoWidth()
[
GMaskProperty->CreatePropertyNameWidget()
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.AutoWidth()
[
GMaskProperty->CreatePropertyValueWidget()
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.Padding(FMargin(10.0f, 0.0f, 0.0f, 0.0f))
.AutoWidth()
[
BMaskProperty->CreatePropertyNameWidget()
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.AutoWidth()
[
BMaskProperty->CreatePropertyValueWidget()
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.Padding(FMargin(10.0f, 0.0f, 0.0f, 0.0f))
.AutoWidth()
[
AMaskProperty->CreatePropertyNameWidget()
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Left)
.AutoWidth()
[
AMaskProperty->CreatePropertyValueWidget()
]
]
];
}
else
{
if (TSharedPtr<IPropertyHandle> PropertyHandle = StackParameterData->ParameterNode->CreatePropertyHandle())
{
PropertyHandle->MarkResetToDefaultCustomized(true);
}
FDetailWidgetDecl* CustomNameWidget = Row.CustomNameWidget();
if (CustomNameWidget)
{
(*CustomNameWidget)
[
SNew(SHorizontalBox)
+SHorizontalBox::Slot()
.VAlign(VAlign_Center)
[
SNew(STextBlock)
.Text(NameOverride)
.ToolTipText(FMaterialPropertyHelpers::GetParameterExpressionDescription(StackParameterData->Parameter, MaterialEditorInstance))
.Font(FAppStyle::GetFontStyle(TEXT("PropertyWindow.NormalFont")))
]
];
}
else
{
Row.ToolTip(FMaterialPropertyHelpers::GetParameterExpressionDescription(StackParameterData->Parameter, MaterialEditorInstance));
}
bisPaddedProperty = true;
}
FNodeWidgets NodeWidgets = Node.CreateNodeWidgets();
LeftSideWidget = NodeWidgets.NameWidget.ToSharedRef();
RightSideWidget = NodeWidgets.ValueWidget.ToSharedRef();
}
// END PROPERTY
// PROPERTY CHILD ----------------------------------------
if (StackParameterData->StackDataType == EStackDataType::PropertyChild)
{
FNodeWidgets NodeWidgets = StackParameterData->ParameterNode->CreateNodeWidgets();
LeftSideWidget = NodeWidgets.NameWidget.ToSharedRef();
RightSideWidget = NodeWidgets.ValueWidget.ToSharedRef();
}
// END PROPERTY CHILD
// FINAL WRAPPER
{
FDetailColumnSizeData& ColumnSizeData = InArgs._InTree->GetColumnSizeData();
float ValuePadding = bisPaddedProperty ? 20.0f : 0.0f;
WrapperWidget->AddSlot()
.AutoHeight()
[
SNew(SBorder)
.BorderImage(FAppStyle::Get().GetBrush("DetailsView.GridLine"))
.Padding(FMargin(0, 0, 0, 1))
[
SNew(SBorder)
.Padding(3.0f)
.BorderImage(this, &SMaterialParametersOverviewTreeItem::GetBorderImage)
.BorderBackgroundColor(this, &SMaterialParametersOverviewTreeItem::GetOuterBackgroundColor, StackParameterData)
[
SNew(SSplitter)
.Style(FAppStyle::Get(), "DetailsView.Splitter")
.PhysicalSplitterHandleSize(1.0f)
.HitDetectionSplitterHandleSize(5.0f)
+ SSplitter::Slot()
.Value(ColumnSizeData.GetNameColumnWidth())
.OnSlotResized(ColumnSizeData.GetOnNameColumnResized())
.Value(0.25f)
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.AutoWidth()
.VAlign(VAlign_Center)
.Padding(FMargin(3.0f))
[
SNew(SExpanderArrow, SharedThis(this))
]
+ SHorizontalBox::Slot()
.Padding(FMargin(2.0f))
.VAlign(VAlign_Center)
[
LeftSideWidget
]
]
+ SSplitter::Slot()
.Value(ColumnSizeData.GetValueColumnWidth())
.OnSlotResized(ColumnSizeData.GetOnValueColumnResized())
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.Padding(FMargin(5.0f, 2.0f, 5.0, 2.0f))
.HAlign(HAlign_Left)
.VAlign(VAlign_Center)
[
RightSideWidget
]
]
]
]
];
}
this->ChildSlot
[
WrapperWidget
];
STableRow< TSharedPtr<FSortedParamData> >::ConstructInternal(
STableRow::FArguments()
.Style(FAppStyle::Get(), "DetailsView.TreeView.TableRow")
.ShowSelection(false),
InOwnerTableView
);
}
void SMaterialParametersOverviewTree::Construct(const FArguments& InArgs)
{
bHasAnyParameters = false;
MaterialEditorInstance = InArgs._InMaterialEditorInstance;
Owner = InArgs._InOwner;
SelectMaterialNodeDelegate = InArgs._SelectMaterialNode;
CreateGroupsWidget();
STreeView<TSharedPtr<FSortedParamData>>::Construct(
STreeView::FArguments()
.TreeItemsSource(&SortedParameters)
.SelectionMode(ESelectionMode::None)
.OnGenerateRow(this, &SMaterialParametersOverviewTree::OnGenerateRowMaterialLayersFunctionsTreeView)
.OnGetChildren(this, &SMaterialParametersOverviewTree::OnGetChildrenMaterialLayersFunctionsTreeView)
.OnExpansionChanged(this, &SMaterialParametersOverviewTree::OnExpansionChanged)
.ExternalScrollbar(InArgs._InScrollbar)
);
}
TSharedRef< ITableRow > SMaterialParametersOverviewTree::OnGenerateRowMaterialLayersFunctionsTreeView(TSharedPtr<FSortedParamData> Item, const TSharedRef< STableViewBase >& OwnerTable)
{
TSharedRef< SMaterialParametersOverviewTreeItem > ReturnRow = SNew(SMaterialParametersOverviewTreeItem, OwnerTable)
.StackParameterData(Item)
.MaterialEditorInstance(MaterialEditorInstance)
.InTree(SharedThis(this));
return ReturnRow;
}
void SMaterialParametersOverviewTree::OnGetChildrenMaterialLayersFunctionsTreeView(TSharedPtr<FSortedParamData> InParent, TArray< TSharedPtr<FSortedParamData> >& OutChildren)
{
OutChildren = InParent->Children;
}
void SMaterialParametersOverviewTree::OnExpansionChanged(TSharedPtr<FSortedParamData> Item, bool bIsExpanded)
{
bool* ExpansionValue = MaterialEditorInstance->OriginalMaterial->ParameterOverviewExpansion.Find(Item->NodeKey);
if (ExpansionValue == nullptr)
{
MaterialEditorInstance->OriginalMaterial->ParameterOverviewExpansion.Add(Item->NodeKey, bIsExpanded);
}
else if (*ExpansionValue != bIsExpanded)
{
MaterialEditorInstance->OriginalMaterial->ParameterOverviewExpansion.Emplace(Item->NodeKey, bIsExpanded);
}
// Expand any children that are also expanded
for (auto Child : Item->Children)
{
bool* ChildExpansionValue = MaterialEditorInstance->OriginalMaterial->ParameterOverviewExpansion.Find(Child->NodeKey);
if (ChildExpansionValue != nullptr && *ChildExpansionValue == true)
{
SetItemExpansion(Child, true);
}
}
}
void SMaterialParametersOverviewTree::SetParentsExpansionState()
{
for (const auto& Pair : SortedParameters)
{
if (Pair->Children.Num())
{
bool* bIsExpanded = MaterialEditorInstance->OriginalMaterial->ParameterOverviewExpansion.Find(Pair->NodeKey);
if (bIsExpanded)
{
SetItemExpansion(Pair, *bIsExpanded);
}
else
{
SetItemExpansion(Pair, true);
}
}
}
}
TSharedPtr<class FAssetThumbnailPool> SMaterialParametersOverviewTree::GetTreeThumbnailPool()
{
return UThumbnailManager::Get().GetSharedThumbnailPool();
}
void SMaterialParametersOverviewTree::CreateGroupsWidget()
{
check(MaterialEditorInstance);
UnsortedParameters.Reset();
SortedParameters.Reset();
const TArray<TSharedRef<IDetailTreeNode>> TestData = GetOwner().Pin()->GetGenerator()->GetRootTreeNodes();
if (TestData.Num() == 0)
{
return;
}
TSharedPtr<IDetailTreeNode> Category = TestData[0];
TSharedPtr<IDetailTreeNode> ParameterGroups;
TArray<TSharedRef<IDetailTreeNode>> Children;
Category->GetChildren(Children);
for (int32 ChildIdx = 0; ChildIdx < Children.Num(); ChildIdx++)
{
TSharedPtr<IPropertyHandle> PropertyHandle = Children[ChildIdx]->CreatePropertyHandle();
if (PropertyHandle.IsValid() && PropertyHandle->GetProperty() && PropertyHandle->GetProperty()->GetName() == "ParameterGroups")
{
ParameterGroups = Children[ChildIdx];
break;
}
}
Children.Empty();
// the order should correspond to UnsortedParameters exactly
TArray<TSharedPtr<IPropertyHandle>> DeferredSearches;
if (ParameterGroups.IsValid())
{
ParameterGroups->GetChildren(Children);
for (int32 GroupIdx = 0; GroupIdx < Children.Num(); ++GroupIdx)
{
TArray<void*> GroupPtrs;
TSharedPtr<IPropertyHandle> ChildHandle = Children[GroupIdx]->CreatePropertyHandle();
ChildHandle->AccessRawData(GroupPtrs);
auto GroupIt = GroupPtrs.CreateConstIterator();
const FEditorParameterGroup* ParameterGroupPtr = reinterpret_cast<FEditorParameterGroup*>(*GroupIt);
if (!ParameterGroupPtr)
{
continue;
}
const FEditorParameterGroup& ParameterGroup = *ParameterGroupPtr;
if (ParameterGroup.GroupName == FMaterialPropertyHelpers::LayerParamName)
{
// Don't create or show the material layer parameter info in this UI
continue;
}
for (int32 ParamIdx = 0; ParamIdx < ParameterGroup.Parameters.Num(); ParamIdx++)
{
UDEditorParameterValue* Parameter = ParameterGroup.Parameters[ParamIdx];
if (Parameter->ParameterInfo.Association == EMaterialParameterAssociation::GlobalParameter)
{
bHasAnyParameters = true;
TSharedPtr<IPropertyHandle> ParametersArrayProperty = ChildHandle->GetChildHandle("Parameters");
TSharedPtr<IPropertyHandle> ParameterProperty = ParametersArrayProperty->GetChildHandle(ParamIdx);
TSharedPtr<IPropertyHandle> ParameterValueProperty = ParameterProperty->GetChildHandle("ParameterValue");
FUnsortedParamData NonLayerProperty;
UDEditorScalarParameterValue* ScalarParam = Cast<UDEditorScalarParameterValue>(Parameter);
UDEditorVectorParameterValue* VectorParam = Cast<UDEditorVectorParameterValue>(Parameter);
if (ScalarParam && ScalarParam->SliderMax > ScalarParam->SliderMin)
{
ParameterValueProperty->SetInstanceMetaData("UIMin", FString::Printf(TEXT("%f"), ScalarParam->SliderMin));
ParameterValueProperty->SetInstanceMetaData("UIMax", FString::Printf(TEXT("%f"), ScalarParam->SliderMax));
}
if (VectorParam)
{
static const FName Red("R");
static const FName Green("G");
static const FName Blue("B");
static const FName Alpha("A");
if (!VectorParam->ChannelNames.R.IsEmpty())
{
ParameterProperty->GetChildHandle(Red)->SetPropertyDisplayName(VectorParam->ChannelNames.R);
}
if (!VectorParam->ChannelNames.G.IsEmpty())
{
ParameterProperty->GetChildHandle(Green)->SetPropertyDisplayName(VectorParam->ChannelNames.G);
}
if (!VectorParam->ChannelNames.B.IsEmpty())
{
ParameterProperty->GetChildHandle(Blue)->SetPropertyDisplayName(VectorParam->ChannelNames.B);
}
if (!VectorParam->ChannelNames.A.IsEmpty())
{
ParameterProperty->GetChildHandle(Alpha)->SetPropertyDisplayName(VectorParam->ChannelNames.A);
}
}
NonLayerProperty.Parameter = Parameter;
NonLayerProperty.ParameterGroup = ParameterGroup;
NonLayerProperty.UnsortedName = Parameter->ParameterInfo.Name;
DeferredSearches.Add(ParameterValueProperty);
UnsortedParameters.Add(NonLayerProperty);
}
}
}
}
checkf(UnsortedParameters.Num() == DeferredSearches.Num(), TEXT("Internal inconsistency: number of node searches does not match the number of properties"));
TArray<TSharedPtr<IDetailTreeNode>> DeferredResults = GetOwner().Pin()->GetGenerator()->FindTreeNodes(DeferredSearches);
checkf(UnsortedParameters.Num() == DeferredResults.Num(), TEXT("Internal inconsistency: number of node search results does not match the number of properties"));
for (int Idx = 0, NumUnsorted = UnsortedParameters.Num(); Idx < NumUnsorted; ++Idx)
{
FUnsortedParamData& NonLayerProperty = UnsortedParameters[Idx];
NonLayerProperty.ParameterNode = DeferredResults[Idx];
NonLayerProperty.ParameterHandle = NonLayerProperty.ParameterNode->CreatePropertyHandle();
}
ShowSubParameters();
RequestTreeRefresh();
SetParentsExpansionState();
}
bool SMaterialParametersOverviewTree::Private_OnItemDoubleClicked(TSharedPtr<FSortedParamData> TheItem)
{
if (STreeView<TSharedPtr<FSortedParamData>>::Private_OnItemDoubleClicked(TheItem))
{
return true;
}
if (!SelectMaterialNodeDelegate.IsBound() || !TheItem.IsValid() || !TheItem->Parameter ||
!TheItem->Parameter->ExpressionId.IsValid())
{
return false;
}
SelectMaterialNodeDelegate.Execute(TheItem->Parameter->ExpressionId);
return true;
}
void SMaterialParametersOverviewTree::ShowSubParameters()
{
for (FUnsortedParamData Property : UnsortedParameters)
{
UDEditorParameterValue* Parameter = Property.Parameter;
{
TSharedPtr<FSortedParamData> GroupProperty(new FSortedParamData());
GroupProperty->StackDataType = EStackDataType::Group;
GroupProperty->ParameterInfo.Index = Parameter->ParameterInfo.Index;
GroupProperty->ParameterInfo.Association = Parameter->ParameterInfo.Association;
GroupProperty->Group = Property.ParameterGroup;
GroupProperty->NodeKey = FString::FromInt(GroupProperty->ParameterInfo.Index) + FString::FromInt(GroupProperty->ParameterInfo.Association) + Property.ParameterGroup.GroupName.ToString();
bool bAddNewGroup = true;
for (TSharedPtr<struct FSortedParamData> GroupChild : SortedParameters)
{
if (GroupChild->NodeKey == GroupProperty->NodeKey)
{
bAddNewGroup = false;
}
}
if (bAddNewGroup)
{
SortedParameters.Add(GroupProperty);
}
TSharedPtr<FSortedParamData> ChildProperty(new FSortedParamData());
ChildProperty->StackDataType = EStackDataType::Property;
ChildProperty->Parameter = Parameter;
ChildProperty->ParameterInfo.Index = Parameter->ParameterInfo.Index;
ChildProperty->ParameterInfo.Association = Parameter->ParameterInfo.Association;
ChildProperty->ParameterNode = Property.ParameterNode;
ChildProperty->PropertyName = Property.UnsortedName;
ChildProperty->NodeKey = FString::FromInt(ChildProperty->ParameterInfo.Index) + FString::FromInt(ChildProperty->ParameterInfo.Association) + Property.ParameterGroup.GroupName.ToString() + Property.UnsortedName.ToString();
UDEditorStaticComponentMaskParameterValue* CompMaskParam = Cast<UDEditorStaticComponentMaskParameterValue>(Parameter);
// No children for masks
if (!CompMaskParam)
{
TArray<TSharedRef<IDetailTreeNode>> ParamChildren;
Property.ParameterNode->GetChildren(ParamChildren);
for (int32 ParamChildIdx = 0; ParamChildIdx < ParamChildren.Num(); ParamChildIdx++)
{
TSharedPtr<FSortedParamData> ParamChildProperty(new FSortedParamData());
ParamChildProperty->StackDataType = EStackDataType::PropertyChild;
ParamChildProperty->ParameterNode = ParamChildren[ParamChildIdx];
ParamChildProperty->ParameterHandle = ParamChildProperty->ParameterNode->CreatePropertyHandle();
ParamChildProperty->ParameterInfo.Index = Parameter->ParameterInfo.Index;
ParamChildProperty->ParameterInfo.Association = Parameter->ParameterInfo.Association;
ParamChildProperty->Parameter = ChildProperty->Parameter;
ChildProperty->Children.Add(ParamChildProperty);
}
}
UDEditorRuntimeVirtualTextureParameterValue* VTParameter = Cast<UDEditorRuntimeVirtualTextureParameterValue>(Parameter);
UDEditorSparseVolumeTextureParameterValue* SVTParameter = Cast<UDEditorSparseVolumeTextureParameterValue>(Parameter);
// Don't add child property to this group if parameter is of type 'Virtual Texture' or 'Sparse Volume Texture'
if (!VTParameter && !SVTParameter)
{
for (TSharedPtr<struct FSortedParamData> GroupChild : SortedParameters)
{
if (GroupChild->Group.GroupName == Property.ParameterGroup.GroupName
&& GroupChild->ParameterInfo.Association == ChildProperty->ParameterInfo.Association
&& GroupChild->ParameterInfo.Index == ChildProperty->ParameterInfo.Index)
{
GroupChild->Children.Add(ChildProperty);
}
}
}
}
}
}
const FSlateBrush* SMaterialParametersOverviewPanel::GetBackgroundImage() const
{
return FAppStyle::GetBrush("DetailsView.CategoryTop");
}
int32 SMaterialParametersOverviewPanel::GetPanelIndex() const
{
return NestedTree && NestedTree->HasAnyParameters() ? 1 : 0;
}
void SMaterialParametersOverviewPanel::Refresh()
{
TSharedPtr<SHorizontalBox> HeaderBox;
NestedTree->CreateGroupsWidget();
FOnClicked OnChildButtonClicked = FOnClicked();
if (MaterialEditorInstance->OriginalFunction)
{
OnChildButtonClicked = FOnClicked::CreateStatic(&FMaterialPropertyHelpers::OnClickedSaveNewFunctionInstance, ImplicitConv<UMaterialFunctionInterface*>(MaterialEditorInstance->OriginalFunction), ImplicitConv<UMaterialInterface*>(MaterialEditorInstance->PreviewMaterial), ImplicitConv<UObject*>(MaterialEditorInstance));
}
else
{
OnChildButtonClicked = FOnClicked::CreateStatic(&FMaterialPropertyHelpers::OnClickedSaveNewMaterialInstance, ImplicitConv<UMaterialInterface*>(MaterialEditorInstance->OriginalMaterial), ImplicitConv<UObject*>(MaterialEditorInstance));
}
if (NestedTree->HasAnyParameters())
{
this->ChildSlot
[
SNew(SVerticalBox)
+ SVerticalBox::Slot()
.Padding(0.0f)
[
SNew(SVerticalBox)
+ SVerticalBox::Slot()
.AutoHeight()
[
SAssignNew(HeaderBox, SHorizontalBox)
]
+ SVerticalBox::Slot()
.Padding(0.0f)
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.HAlign(HAlign_Fill)
[
NestedTree.ToSharedRef()
]
+ SHorizontalBox::Slot()
.HAlign(HAlign_Right)
.AutoWidth()
[
SNew(SBox)
.WidthOverride(16.0f)
[
ExternalScrollbar.ToSharedRef()
]
]
]
]
];
HeaderBox->AddSlot()
.FillWidth(1.0f)
[
SNullWidget::NullWidget
];
if (NestedTree->HasAnyParameters())
{
HeaderBox->AddSlot()
.AutoWidth()
.Padding(2.0f)
[
SNew(SButton)
.Text(LOCTEXT("SaveChild", "Save Child"))
.HAlign(HAlign_Center)
.OnClicked(OnChildButtonClicked)
.ToolTipText(LOCTEXT("SaveToChildInstance", "Save To Child Instance"))
];
}
}
else
{
this->ChildSlot
[
SNew(SBox)
.Padding(10.0f)
.HAlign(HAlign_Center)
[
SNew(STextBlock)
.Text(LOCTEXT("ConnectMaterialParametersToFillList", "Connect a parameter to see it here."))
]
];
}
}
void SMaterialParametersOverviewPanel::Construct(const FArguments& InArgs)
{
ExternalScrollbar = SNew(SScrollBar);
TSharedPtr<IPropertyRowGenerator> InGenerator = InArgs._InGenerator;
Generator = InGenerator;
NestedTree = SNew(SMaterialParametersOverviewTree)
.InMaterialEditorInstance(InArgs._InMaterialEditorInstance)
.InOwner(SharedThis(this))
.InScrollbar(ExternalScrollbar)
.SelectMaterialNode(InArgs._SelectMaterialNode);
MaterialEditorInstance = InArgs._InMaterialEditorInstance;
Refresh();
}
void SMaterialParametersOverviewPanel::UpdateEditorInstance(UMaterialEditorPreviewParameters* InMaterialEditorInstance)
{
NestedTree->MaterialEditorInstance = InMaterialEditorInstance;
Refresh();
}
TSharedPtr<class IPropertyRowGenerator> SMaterialParametersOverviewPanel::GetGenerator()
{
return Generator.Pin();
}
#undef LOCTEXT_NAMESPACE