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

131 lines
3.8 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "AnimGraphNode_BlendSpaceBase.h"
#include "EdGraphSchema_K2_Actions.h"
#include "AnimGraphNode_BlendSpacePlayer.h"
#include "AnimGraphNode_RotationOffsetBlendSpace.h"
#include "Animation/AimOffsetBlendSpace.h"
#include "Animation/BlendSpace1D.h"
#include "Animation/AimOffsetBlendSpace1D.h"
#include "Animation/AnimRootMotionProvider.h"
#include "DetailLayoutBuilder.h"
#include "DetailCategoryBuilder.h"
#define LOCTEXT_NAMESPACE "AnimGraphNode_BlendSpaceBase"
/////////////////////////////////////////////////////
// UAnimGraphNode_BlendSpaceBase
UAnimGraphNode_BlendSpaceBase::UAnimGraphNode_BlendSpaceBase(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
}
FLinearColor UAnimGraphNode_BlendSpaceBase::GetNodeTitleColor() const
{
return FLinearColor(0.2f, 0.8f, 0.2f);
}
FSlateIcon UAnimGraphNode_BlendSpaceBase::GetIconAndTint(FLinearColor& OutColor) const
{
return FSlateIcon(FAppStyle::GetAppStyleSetName(), "ClassIcon.BlendSpace");
}
void UAnimGraphNode_BlendSpaceBase::CustomizePinData(UEdGraphPin* Pin, FName SourcePropertyName, int32 ArrayIndex) const
{
UBlendSpace * BlendSpace = GetBlendSpace();
if (BlendSpace != NULL)
{
if (SourcePropertyName == TEXT("X"))
{
Pin->PinFriendlyName = FText::FromString(BlendSpace->GetBlendParameter(0).DisplayName);
}
else if (SourcePropertyName == TEXT("Y"))
{
Pin->PinFriendlyName = FText::FromString(BlendSpace->GetBlendParameter(1).DisplayName);
Pin->bHidden = BlendSpace->IsA<UBlendSpace1D>() ? 1 : 0;
}
else if (SourcePropertyName == TEXT("Z"))
{
Pin->PinFriendlyName = FText::FromString(BlendSpace->GetBlendParameter(2).DisplayName);
}
}
}
void UAnimGraphNode_BlendSpaceBase::PreloadRequiredAssets()
{
PreloadRequiredAssetsHelper(GetBlendSpace(), FindPin(GET_MEMBER_NAME_STRING_CHECKED(FAnimNode_BlendSpacePlayer, BlendSpace)));
Super::PreloadRequiredAssets();
}
void UAnimGraphNode_BlendSpaceBase::PostProcessPinName(const UEdGraphPin* Pin, FString& DisplayName) const
{
if(Pin->Direction == EGPD_Input)
{
UBlendSpace * BlendSpace = GetBlendSpace();
if(BlendSpace != NULL)
{
if(Pin->PinName == TEXT("X"))
{
DisplayName = BlendSpace->GetBlendParameter(0).DisplayName;
}
else if(Pin->PinName == TEXT("Y"))
{
DisplayName = BlendSpace->GetBlendParameter(1).DisplayName;
}
else if(Pin->PinName == TEXT("Z"))
{
DisplayName = BlendSpace->GetBlendParameter(2).DisplayName;
}
}
}
Super::PostProcessPinName(Pin, DisplayName);
}
void UAnimGraphNode_BlendSpaceBase::GetOutputLinkAttributes(FNodeAttributeArray& OutAttributes) const
{
Super::GetOutputLinkAttributes(OutAttributes);
if (UE::Anim::IAnimRootMotionProvider::Get())
{
OutAttributes.Add(UE::Anim::IAnimRootMotionProvider::AttributeName);
}
}
void UAnimGraphNode_BlendSpaceBase::CustomizeDetails(IDetailLayoutBuilder& InDetailBuilder)
{
const UBlendSpace* BlendSpace = GetBlendSpace();
if (BlendSpace)
{
TSharedRef<IPropertyHandle> XHandle = InDetailBuilder.GetProperty(TEXT("Node.X"), GetClass());
XHandle->SetPropertyDisplayName(FText::FromString(BlendSpace->GetBlendParameter(0).DisplayName));
TSharedRef<IPropertyHandle> YHandle = InDetailBuilder.GetProperty(TEXT("Node.Y"), GetClass());
if (BlendSpace->IsA<UBlendSpace1D>())
{
InDetailBuilder.HideProperty(YHandle);
}
else
{
YHandle->SetPropertyDisplayName(FText::FromString(BlendSpace->GetBlendParameter(1).DisplayName));
}
}
}
FText UAnimGraphNode_BlendSpaceBase::GetMenuCategory() const
{
return LOCTEXT("BlendSpaceCategory_Label", "Animation|Blend Spaces");
}
bool UAnimGraphNode_BlendSpaceBase::IsAimOffsetBlendSpace(const UClass* BlendSpaceClass)
{
return BlendSpaceClass->IsChildOf(UAimOffsetBlendSpace::StaticClass()) ||
BlendSpaceClass->IsChildOf(UAimOffsetBlendSpace1D::StaticClass());
}
#undef LOCTEXT_NAMESPACE