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

81 lines
2.4 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MotionControllerPinFactory.h"
#include "Containers/UnrealString.h"
#include "Delegates/Delegate.h"
#include "EdGraph/EdGraphPin.h"
#include "EdGraph/EdGraphSchema.h"
#include "EdGraphSchema_K2.h"
#include "Internationalization/Internationalization.h"
#include "Internationalization/Text.h"
#include "K2Node_VariableSet.h"
#include "Misc/AssertionMacros.h"
#include "MotionControllerComponent.h"
#include "MotionControllerSourceCustomization.h"
#include "SGraphPin.h"
#include "ScopedTransaction.h"
#include "Templates/Casts.h"
#include "UObject/NameTypes.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
class SWidget;
class SMotionControllerSourceGraphPin : public SGraphPin
{
public:
SLATE_BEGIN_ARGS(SMotionControllerSourceGraphPin) {}
SLATE_END_ARGS()
void Construct(const FArguments& InArgs, UEdGraphPin* InGraphPinObj)
{
SGraphPin::Construct(SGraphPin::FArguments(), InGraphPinObj);
}
//~ Begin SGraphPin Interface
virtual TSharedRef<SWidget> GetDefaultValueWidget() override
{
return SNew(SMotionSourceWidget)
.Visibility(this, &SGraphPin::GetDefaultValueVisibility)
.OnMotionSourceChanged(this, &SMotionControllerSourceGraphPin::OnMotionSourceChanged)
.OnGetMotionSourceText(this, &SMotionControllerSourceGraphPin::GetMotionSourceValueText);
}
//~ End SGraphPin Interface
private:
void OnMotionSourceChanged(FName NewMotionSource)
{
FString NewMotionSourceString = NewMotionSource.ToString();
if (!GraphPinObj->GetDefaultAsString().Equals(NewMotionSourceString))
{
const FScopedTransaction Transaction(NSLOCTEXT("GraphEditor", "ChangeMotionSourcePinValue", "Change Motion Source Pin Value"));
GraphPinObj->Modify();
GraphPinObj->GetSchema()->TrySetDefaultValue(*GraphPinObj, NewMotionSourceString);
}
}
FText GetMotionSourceValueText() const
{
return FText::FromString(GraphPinObj->GetDefaultAsString());
}
};
TSharedPtr<class SGraphPin> FMotionControllerPinFactory::CreatePin(class UEdGraphPin* InPin) const
{
if (InPin->PinType.PinCategory == UEdGraphSchema_K2::PC_Name)
{
if (UK2Node_VariableSet* Setter = Cast<UK2Node_VariableSet>(InPin->GetOuter()))
{
if (Setter->GetVariableSourceClass() == UMotionControllerComponent::StaticClass() && Setter->GetVarName() == GET_MEMBER_NAME_CHECKED(UMotionControllerComponent, MotionSource))
{
return SNew(SMotionControllerSourceGraphPin, InPin);
}
}
}
return nullptr;
}