Files
UnrealEngine/Engine/Source/Editor/BlueprintGraph/Private/K2Node_MakeSet.cpp
2025-05-18 13:04:45 +08:00

154 lines
4.4 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "K2Node_MakeSet.h"
#include "BlueprintCompiledStatement.h"
#include "Containers/EnumAsByte.h"
#include "Delegates/Delegate.h"
#include "EdGraph/EdGraphNodeUtils.h"
#include "EdGraph/EdGraphPin.h"
#include "EdGraphSchema_K2.h"
#include "EditorCategoryUtils.h"
#include "Framework/Commands/UIAction.h"
#include "HAL/Platform.h"
#include "Internationalization/Internationalization.h"
#include "Kismet2/CompilerResultsLog.h"
#include "KismetCompilerMisc.h"
#include "Misc/AssertionMacros.h"
#include "Styling/AppStyle.h"
#include "Templates/Casts.h"
#include "ToolMenu.h"
#include "ToolMenuSection.h"
class FKismetCompilerContext;
struct FLinearColor;
namespace MakeSetLiterals
{
static const FName OutputPinName(TEXT("Set"));
};
#define LOCTEXT_NAMESPACE "MakeSetNode"
/////////////////////////////////////////////////////
// FKCHandler_MakeSet
class FKCHandler_MakeSet : public FKCHandler_MakeContainer
{
public:
FKCHandler_MakeSet(FKismetCompilerContext& InCompilerContext)
: FKCHandler_MakeContainer(InCompilerContext)
{
CompiledStatementType = KCST_CreateSet;
}
};
/////////////////////////////////////////////////////
// UK2Node_MakeSet
UK2Node_MakeSet::UK2Node_MakeSet(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
ContainerType = EPinContainerType::Set;
}
FNodeHandlingFunctor* UK2Node_MakeSet::CreateNodeHandler(FKismetCompilerContext& CompilerContext) const
{
return new FKCHandler_MakeSet(CompilerContext);
}
FText UK2Node_MakeSet::GetNodeTitle(ENodeTitleType::Type TitleType) const
{
return LOCTEXT("NodeTitle", "Make Set");
}
FName UK2Node_MakeSet::GetOutputPinName() const
{
return MakeSetLiterals::OutputPinName;
}
FText UK2Node_MakeSet::GetTooltipText() const
{
return LOCTEXT("MakeSetTooltip", "Create a set from a series of items.");
}
FSlateIcon UK2Node_MakeSet::GetIconAndTint(FLinearColor& OutColor) const
{
static FSlateIcon Icon(FAppStyle::GetAppStyleSetName(), "GraphEditor.MakeSet_16x");
return Icon;
}
void UK2Node_MakeSet::GetNodeContextMenuActions(UToolMenu* Menu, UGraphNodeContextMenuContext* Context) const
{
Super::GetNodeContextMenuActions(Menu, Context);
if (!Context->bIsDebugging)
{
FToolMenuSection& Section = Menu->AddSection("K2NodeMakeSet", NSLOCTEXT("K2Nodes", "MakeSetHeader", "MakeSet"));
if (Context->Pin)
{
if (Context->Pin->Direction == EGPD_Input && Context->Pin->ParentPin == nullptr)
{
Section.AddMenuEntry(
"RemovePin",
LOCTEXT("RemovePin", "Remove set element pin"),
LOCTEXT("RemovePinTooltip", "Remove this set element pin"),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateUObject(const_cast<UK2Node_MakeSet*>(this), &UK2Node_MakeSet::RemoveInputPin, const_cast<UEdGraphPin*>(Context->Pin))
)
);
}
}
else
{
Section.AddMenuEntry(
"AddPin",
LOCTEXT("AddPin", "Add set element pin"),
LOCTEXT("AddPinTooltip", "Add another set element pin"),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateUObject(const_cast<UK2Node_MakeSet*>(this), &UK2Node_MakeSet::InteractiveAddInputPin)
)
);
}
Section.AddMenuEntry(
"ResetToWildcard",
LOCTEXT("ResetToWildcard", "Reset to wildcard"),
LOCTEXT("ResetToWildcardTooltip", "Reset the node to have wildcard input/outputs. Requires no pins are connected."),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateUObject(const_cast<UK2Node_MakeSet*>(this), &UK2Node_MakeSet::ClearPinTypeToWildcard),
FCanExecuteAction::CreateUObject(this, &UK2Node_MakeSet::CanResetToWildcard)
)
);
}
}
void UK2Node_MakeSet::ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const
{
Super::ValidateNodeDuringCompilation(MessageLog);
const UEdGraphSchema_K2* Schema = Cast<const UEdGraphSchema_K2>(GetSchema());
UEdGraphPin* OutputPin = GetOutputPin();
if (!ensure(Schema) || !ensure(OutputPin) || Schema->IsExecPin(*OutputPin))
{
MessageLog.Error(*NSLOCTEXT("K2Node", "MakeSet_OutputIsExec", "Unacceptable set type in @@").ToString(), this);
}
}
FText UK2Node_MakeSet::GetMenuCategory() const
{
static FNodeTextCache CachedCategory;
if (CachedCategory.IsOutOfDate(this))
{
// FText::Format() is slow, so we cache this to save on performance
CachedCategory.SetCachedText(FEditorCategoryUtils::BuildCategoryString(FCommonEditorCategory::Utilities, LOCTEXT("ActionMenuCategory", "Set")), this);
}
return CachedCategory;
}
#undef LOCTEXT_NAMESPACE