Files
UnrealEngine/Engine/Source/Editor/BlueprintGraph/Private/K2Node_StructMemberSet.cpp
2025-05-18 13:04:45 +08:00

128 lines
4.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "K2Node_StructMemberSet.h"
#include "EdGraph/EdGraphSchema.h"
#include "EdGraphSchema_K2.h"
#include "Engine/MemberReference.h"
#include "Internationalization/Internationalization.h"
#include "Misc/AssertionMacros.h"
#include "StructMemberNodeHandlers.h"
#include "UObject/Class.h"
#include "UObject/NameTypes.h"
#include "UObject/ObjectPtr.h"
#include "UObject/UnrealNames.h"
#include "UObject/UnrealType.h"
#include "PropertyCustomizationHelpers.h"
class FKismetCompilerContext;
class UEdGraphPin;
//////////////////////////////////////////////////////////////////////////
// UK2Node_StructMemberSet
#define LOCTEXT_NAMESPACE "K2Node"
UK2Node_StructMemberSet::UK2Node_StructMemberSet(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
}
void UK2Node_StructMemberSet::PreEditChange(FProperty* PropertyThatWillChange)
{
Super::PreEditChange(PropertyThatWillChange);
if (PropertyThatWillChange && PropertyThatWillChange->GetFName() == GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, bShowPin))
{
FOptionalPinManager::CacheShownPins(ShowPinForProperties, OldShownPins);
}
}
void UK2Node_StructMemberSet::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
{
const FName PropertyName = (PropertyChangedEvent.Property ? PropertyChangedEvent.Property->GetFName() : NAME_None);
if (PropertyName == GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, bShowPin))
{
FOptionalPinManager::EvaluateOldShownPins(ShowPinForProperties, OldShownPins, this);
GetSchema()->ReconstructNode(*this);
}
Super::PostEditChangeProperty(PropertyChangedEvent);
}
void UK2Node_StructMemberSet::AllocateExecPins()
{
CreatePin(EGPD_Input, UEdGraphSchema_K2::PC_Exec, UEdGraphSchema_K2::PN_Execute);
CreatePin(EGPD_Output, UEdGraphSchema_K2::PC_Exec, UEdGraphSchema_K2::PN_Then);
}
void UK2Node_StructMemberSet::AllocateDefaultPins()
{
// Add the execution sequencing pin
AllocateExecPins();
// Display any currently visible optional pins
{
FStructOperationOptionalPinManager OptionalPinManager;
OptionalPinManager.RebuildPropertyList(ShowPinForProperties, StructType);
OptionalPinManager.CreateVisiblePins(ShowPinForProperties, StructType, EGPD_Input, this);
}
}
FText UK2Node_StructMemberSet::GetTooltipText() const
{
if (CachedTooltip.IsOutOfDate(this))
{
FFormatNamedArguments Args;
Args.Add(TEXT("VariableName"), FText::FromName(VariableReference.GetMemberName()));
// FText::Format() is slow, so we cache this to save on performance
CachedTooltip.SetCachedText(FText::Format(LOCTEXT("K2Node_StructMemberSet_Tooltip", "Set member variables of {VariableName}"), Args), this);
}
return CachedTooltip;
}
FText UK2Node_StructMemberSet::GetNodeTitle(ENodeTitleType::Type TitleType) const
{
if (CachedNodeTitle.IsOutOfDate(this))
{
FFormatNamedArguments Args;
Args.Add(TEXT("VariableName"), FText::FromName(VariableReference.GetMemberName()));
// FText::Format() is slow, so we cache this to save on performance
CachedNodeTitle.SetCachedText(FText::Format(LOCTEXT("SetMembersInVariable", "Set members in {VariableName}"), Args), this);
}
return CachedNodeTitle;
}
UK2Node::ERedirectType UK2Node_StructMemberSet::DoPinsMatchForReconstruction(const UEdGraphPin* NewPin, int32 NewPinIndex, const UEdGraphPin* OldPin, int32 OldPinIndex) const
{
return UK2Node::DoPinsMatchForReconstruction(NewPin, NewPinIndex, OldPin, OldPinIndex);
}
FNodeHandlingFunctor* UK2Node_StructMemberSet::CreateNodeHandler(FKismetCompilerContext& CompilerContext) const
{
return new FKCHandler_StructMemberVariableSet(CompilerContext);
}
FBoolProperty* UK2Node_StructMemberSet::GetOverrideConditionForProperty(const FProperty* InProperty) const
{
bool bNegate = false;
if (FBoolProperty* OverrideProperty = PropertyCustomizationHelpers::GetEditConditionProperty(InProperty, bNegate))
{
// Determine if the edit condition is included in the optional input pin set - if so, then it is not considered to be an override condition.
const bool bIsOverrideExposedForInput = ShowPinForProperties.ContainsByPredicate([OverrideProperty](const FOptionalPinFromProperty& PropertyEntry)
{
return PropertyEntry.PropertyName == OverrideProperty->GetFName();
});
if (!bIsOverrideExposedForInput)
{
return OverrideProperty;
}
}
return nullptr;
}
#undef LOCTEXT_NAMESPACE