441 lines
13 KiB
C++
441 lines
13 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "AnimationStateNodes/SGraphNodeAnimState.h"
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#include "AnimStateConduitNode.h"
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#include "AnimStateNodeBase.h"
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#include "Animation/AnimBlueprint.h"
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#include "Animation/AnimBlueprintGeneratedClass.h"
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#include "Animation/AnimInstance.h"
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#include "Containers/Map.h"
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#include "Delegates/Delegate.h"
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#include "EdGraph/EdGraphNode.h"
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#include "EdGraph/EdGraphPin.h"
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#include "Engine/Blueprint.h"
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#include "GenericPlatform/ICursor.h"
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#include "HAL/PlatformCrt.h"
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#include "IDocumentation.h"
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#include "Internationalization/Internationalization.h"
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#include "Kismet2/BlueprintEditorUtils.h"
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#include "Layout/Margin.h"
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#include "Layout/Visibility.h"
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#include "Math/UnrealMathSSE.h"
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#include "Math/Vector2D.h"
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#include "Misc/AssertionMacros.h"
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#include "Misc/Attribute.h"
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#include "Misc/Optional.h"
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#include "SGraphPanel.h"
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#include "SGraphPin.h"
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#include "SGraphPreviewer.h"
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#include "SNodePanel.h"
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#include "SlotBase.h"
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#include "Styling/AppStyle.h"
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#include "Templates/Casts.h"
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#include "Types/SlateEnums.h"
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#include "Widgets/Images/SImage.h"
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#include "Widgets/Layout/SBorder.h"
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#include "Widgets/Notifications/SErrorText.h"
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#include "Widgets/SBoxPanel.h"
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#include "Widgets/SOverlay.h"
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#include "Widgets/SToolTip.h"
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#include "Widgets/Text/SInlineEditableTextBlock.h"
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#include "Widgets/Text/STextBlock.h"
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class SWidget;
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class UEdGraphSchema;
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struct FGeometry;
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struct FPointerEvent;
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struct FSlateBrush;
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#define LOCTEXT_NAMESPACE "SGraphNodeAnimState"
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/////////////////////////////////////////////////////
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// SStateMachineOutputPin
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class SStateMachineOutputPin : public SGraphPin
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{
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public:
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SLATE_BEGIN_ARGS(SStateMachineOutputPin){}
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SLATE_END_ARGS()
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void Construct(const FArguments& InArgs, UEdGraphPin* InPin);
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protected:
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// Begin SGraphPin interface
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virtual TSharedRef<SWidget> GetDefaultValueWidget() override;
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// End SGraphPin interface
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const FSlateBrush* GetPinBorder() const;
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};
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void SStateMachineOutputPin::Construct(const FArguments& InArgs, UEdGraphPin* InPin)
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{
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this->SetCursor( EMouseCursor::Default );
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bShowLabel = true;
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GraphPinObj = InPin;
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check(GraphPinObj != NULL);
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const UEdGraphSchema* Schema = GraphPinObj->GetSchema();
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check(Schema);
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// Set up a hover for pins that is tinted the color of the pin.
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SBorder::Construct( SBorder::FArguments()
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.BorderImage( this, &SStateMachineOutputPin::GetPinBorder )
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.BorderBackgroundColor( this, &SStateMachineOutputPin::GetPinColor )
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.OnMouseButtonDown( this, &SStateMachineOutputPin::OnPinMouseDown )
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.Cursor( this, &SStateMachineOutputPin::GetPinCursor )
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);
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}
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TSharedRef<SWidget> SStateMachineOutputPin::GetDefaultValueWidget()
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{
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return SNew(STextBlock);
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}
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const FSlateBrush* SStateMachineOutputPin::GetPinBorder() const
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{
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return ( IsHovered() )
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? FAppStyle::GetBrush( TEXT("Graph.StateNode.Pin.BackgroundHovered") )
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: FAppStyle::GetBrush( TEXT("Graph.StateNode.Pin.Background") );
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}
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/////////////////////////////////////////////////////
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// SGraphNodeAnimState
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void SGraphNodeAnimState::Construct(const FArguments& InArgs, UAnimStateNodeBase* InNode)
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{
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this->GraphNode = InNode;
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this->SetCursor(EMouseCursor::CardinalCross);
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this->UpdateGraphNode();
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}
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void SGraphNodeAnimState::GetStateInfoPopup(UEdGraphNode* GraphNode, TArray<FGraphInformationPopupInfo>& Popups)
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{
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UAnimBlueprint* AnimBlueprint = Cast<UAnimBlueprint>(FBlueprintEditorUtils::FindBlueprintForNode(GraphNode));
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if(AnimBlueprint)
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{
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UAnimInstance* ActiveObject = Cast<UAnimInstance>(AnimBlueprint->GetObjectBeingDebugged());
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UAnimBlueprintGeneratedClass* Class = AnimBlueprint->GetAnimBlueprintGeneratedClass();
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FLinearColor CurrentStateColor(1.f, 0.5f, 0.25f);
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// Display various types of debug data
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if ((ActiveObject != NULL) && (Class != NULL))
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{
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if (Class->GetAnimNodeProperties().Num())
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{
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if (FStateMachineDebugData* DebugInfo = Class->GetAnimBlueprintDebugData().StateMachineDebugData.Find(GraphNode->GetGraph()))
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{
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if(int32* StateIndexPtr = DebugInfo->NodeToStateIndex.Find(GraphNode))
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{
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for(const FStateMachineStateDebugData& StateData : Class->GetAnimBlueprintDebugData().StateData)
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{
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if(StateData.StateMachineIndex == DebugInfo->MachineIndex && StateData.StateIndex == *StateIndexPtr)
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{
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if (StateData.Weight > 0.0f)
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{
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FText StateText;
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if (StateData.ElapsedTime > 0.0f)
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{
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StateText = FText::Format(LOCTEXT("ActiveStateWeightFormat", "{0}\nActive for {1}s"), FText::AsPercent(StateData.Weight), FText::AsNumber(StateData.ElapsedTime));
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}
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else
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{
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StateText = FText::Format(LOCTEXT("StateWeightFormat", "{0}"), FText::AsPercent(StateData.Weight));
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}
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Popups.Emplace(nullptr, CurrentStateColor, StateText.ToString());
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break;
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}
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}
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}
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}
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}
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}
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}
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}
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}
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void SGraphNodeAnimState::GetNodeInfoPopups(FNodeInfoContext* Context, TArray<FGraphInformationPopupInfo>& Popups) const
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{
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GetStateInfoPopup(GraphNode, Popups);
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}
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FSlateColor SGraphNodeAnimState::GetBorderBackgroundColor() const
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{
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FLinearColor InactiveStateColor(0.08f, 0.08f, 0.08f);
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FLinearColor ActiveStateColorDim(0.4f, 0.3f, 0.15f);
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FLinearColor ActiveStateColorBright(1.f, 0.6f, 0.35f);
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return GetBorderBackgroundColor_Internal(InactiveStateColor, ActiveStateColorDim, ActiveStateColorBright);
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}
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FSlateColor SGraphNodeAnimState::GetBorderBackgroundColor_Internal(FLinearColor InactiveStateColor, FLinearColor ActiveStateColorDim, FLinearColor ActiveStateColorBright) const
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{
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UAnimBlueprint* AnimBlueprint = Cast<UAnimBlueprint>(FBlueprintEditorUtils::FindBlueprintForNode(GraphNode));
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if(AnimBlueprint)
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{
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UAnimInstance* ActiveObject = Cast<UAnimInstance>(AnimBlueprint->GetObjectBeingDebugged());
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UAnimBlueprintGeneratedClass* Class = AnimBlueprint->GetAnimBlueprintGeneratedClass();
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// Display various types of debug data
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if ((ActiveObject != NULL) && (Class != NULL))
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{
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if (FStateMachineDebugData* DebugInfo = Class->GetAnimBlueprintDebugData().StateMachineDebugData.Find(GraphNode->GetGraph()))
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{
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if(int32* StateIndexPtr = DebugInfo->NodeToStateIndex.Find(GraphNode))
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{
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for(const FStateMachineStateDebugData& StateData : Class->GetAnimBlueprintDebugData().StateData)
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{
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if(StateData.StateMachineIndex == DebugInfo->MachineIndex && StateData.StateIndex == *StateIndexPtr)
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{
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if (StateData.Weight > 0.0f)
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{
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return FMath::Lerp<FLinearColor>(ActiveStateColorDim, ActiveStateColorBright, StateData.Weight);
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}
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}
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}
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}
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}
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}
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}
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return InactiveStateColor;
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}
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void SGraphNodeAnimState::OnMouseEnter(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
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{
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// Add pins to the hover set so outgoing transitions arrows remains highlighted while the mouse is over the state node
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if (const UAnimStateNodeBase* StateNode = Cast<UAnimStateNodeBase>(GraphNode))
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{
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if (const UEdGraphPin* OutputPin = StateNode->GetOutputPin())
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{
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TSharedPtr<SGraphPanel> OwnerPanel = GetOwnerPanel();
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check(OwnerPanel.IsValid());
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for (int32 LinkIndex = 0; LinkIndex < OutputPin->LinkedTo.Num(); ++LinkIndex)
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{
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OwnerPanel->AddPinToHoverSet(OutputPin->LinkedTo[LinkIndex]);
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}
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}
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}
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SGraphNode::OnMouseEnter(MyGeometry, MouseEvent);
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}
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void SGraphNodeAnimState::OnMouseLeave(const FPointerEvent& MouseEvent)
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{
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// Remove manually added pins from the hover set
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if (const UAnimStateNodeBase* StateNode = Cast<UAnimStateNodeBase>(GraphNode))
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{
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if(const UEdGraphPin* OutputPin = StateNode->GetOutputPin())
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{
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TSharedPtr<SGraphPanel> OwnerPanel = GetOwnerPanel();
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check(OwnerPanel.IsValid());
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for (int32 LinkIndex = 0; LinkIndex < OutputPin->LinkedTo.Num(); ++LinkIndex)
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{
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OwnerPanel->RemovePinFromHoverSet(OutputPin->LinkedTo[LinkIndex]);
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}
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}
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}
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SGraphNode::OnMouseLeave(MouseEvent);
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}
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void SGraphNodeAnimState::UpdateGraphNode()
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{
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InputPins.Empty();
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OutputPins.Empty();
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// Reset variables that are going to be exposed, in case we are refreshing an already setup node.
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RightNodeBox.Reset();
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LeftNodeBox.Reset();
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const FSlateBrush* NodeTypeIcon = GetNameIcon();
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FLinearColor TitleShadowColor(0.6f, 0.6f, 0.6f);
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TSharedPtr<SErrorText> ErrorText;
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TSharedPtr<SNodeTitle> NodeTitle = SNew(SNodeTitle, GraphNode);
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this->ContentScale.Bind( this, &SGraphNode::GetContentScale );
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this->GetOrAddSlot( ENodeZone::Center )
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.HAlign(HAlign_Center)
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.VAlign(VAlign_Center)
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[
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SNew(SBorder)
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.BorderImage( FAppStyle::GetBrush( "Graph.StateNode.Body" ) )
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.Padding(0)
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.BorderBackgroundColor( this, &SGraphNodeAnimState::GetBorderBackgroundColor )
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[
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SNew(SOverlay)
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// PIN AREA
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+SOverlay::Slot()
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.HAlign(HAlign_Fill)
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.VAlign(VAlign_Fill)
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[
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SAssignNew(RightNodeBox, SVerticalBox)
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]
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// STATE NAME AREA
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+SOverlay::Slot()
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.HAlign(HAlign_Center)
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.VAlign(VAlign_Center)
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.Padding(10.0f)
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[
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SNew(SBorder)
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.BorderImage( FAppStyle::GetBrush("Graph.StateNode.ColorSpill") )
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.BorderBackgroundColor( TitleShadowColor )
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.HAlign(HAlign_Center)
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.VAlign(VAlign_Center)
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.Visibility(EVisibility::SelfHitTestInvisible)
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[
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SNew(SHorizontalBox)
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+SHorizontalBox::Slot()
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.AutoWidth()
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[
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// POPUP ERROR MESSAGE
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SAssignNew(ErrorText, SErrorText )
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.BackgroundColor( this, &SGraphNodeAnimState::GetErrorColor )
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.ToolTipText( this, &SGraphNodeAnimState::GetErrorMsgToolTip )
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]
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+SHorizontalBox::Slot()
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.AutoWidth()
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.VAlign(VAlign_Center)
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[
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SNew(SImage)
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.Image(NodeTypeIcon)
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]
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+SHorizontalBox::Slot()
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.Padding(FMargin(4.0f, 0.0f, 4.0f, 0.0f))
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[
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SNew(SVerticalBox)
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+SVerticalBox::Slot()
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.AutoHeight()
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[
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SAssignNew(InlineEditableText, SInlineEditableTextBlock)
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.Style( FAppStyle::Get(), "Graph.StateNode.NodeTitleInlineEditableText" )
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.Text( NodeTitle.Get(), &SNodeTitle::GetHeadTitle )
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.OnVerifyTextChanged(this, &SGraphNodeAnimState::OnVerifyNameTextChanged)
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.OnTextCommitted(this, &SGraphNodeAnimState::OnNameTextCommited)
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.IsReadOnly( this, &SGraphNodeAnimState::IsNameReadOnly )
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.IsSelected(this, &SGraphNodeAnimState::IsSelectedExclusively)
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]
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+SVerticalBox::Slot()
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.AutoHeight()
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[
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NodeTitle.ToSharedRef()
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]
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]
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]
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]
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]
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];
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ErrorReporting = ErrorText;
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ErrorReporting->SetError(ErrorMsg);
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CreatePinWidgets();
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}
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void SGraphNodeAnimState::CreatePinWidgets()
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{
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UAnimStateNodeBase* StateNode = CastChecked<UAnimStateNodeBase>(GraphNode);
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UEdGraphPin* CurPin = StateNode->GetOutputPin();
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if (!CurPin->bHidden)
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{
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TSharedPtr<SGraphPin> NewPin = SNew(SStateMachineOutputPin, CurPin);
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this->AddPin(NewPin.ToSharedRef());
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}
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}
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void SGraphNodeAnimState::AddPin(const TSharedRef<SGraphPin>& PinToAdd)
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{
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PinToAdd->SetOwner( SharedThis(this) );
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RightNodeBox->AddSlot()
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.HAlign(HAlign_Fill)
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.VAlign(VAlign_Fill)
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.FillHeight(1.0f)
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[
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PinToAdd
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];
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OutputPins.Add(PinToAdd);
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}
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TSharedPtr<SToolTip> SGraphNodeAnimState::GetComplexTooltip()
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{
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UAnimStateNodeBase* StateNode = CastChecked<UAnimStateNodeBase>(GraphNode);
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return SNew(SToolTip)
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[
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SNew(SVerticalBox)
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+SVerticalBox::Slot()
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.AutoHeight()
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[
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// Create the tooltip preview, ensure to disable state overlays to stop
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// PIE and read-only borders obscuring the graph
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SNew(SGraphPreviewer, StateNode->GetBoundGraph())
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.CornerOverlayText(this, &SGraphNodeAnimState::GetPreviewCornerText)
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.ShowGraphStateOverlay(false)
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]
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+SVerticalBox::Slot()
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.AutoHeight()
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.Padding(FMargin(0.0f, 5.0f, 0.0f, 0.0f))
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[
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IDocumentation::Get()->CreateToolTip(FText::FromString("Documentation"), NULL, StateNode->GetDocumentationLink(), StateNode->GetDocumentationExcerptName())
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]
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];
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}
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FText SGraphNodeAnimState::GetPreviewCornerText() const
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{
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UAnimStateNodeBase* StateNode = CastChecked<UAnimStateNodeBase>(GraphNode);
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return FText::Format(NSLOCTEXT("SGraphNodeAnimState", "PreviewCornerStateText", "{0} state"), FText::FromString(StateNode->GetStateName()));
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}
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const FSlateBrush* SGraphNodeAnimState::GetNameIcon() const
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{
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return FAppStyle::GetBrush( TEXT("Graph.StateNode.Icon") );
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}
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/////////////////////////////////////////////////////
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// SGraphNodeAnimConduit
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void SGraphNodeAnimConduit::Construct(const FArguments& InArgs, UAnimStateConduitNode* InNode)
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{
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SGraphNodeAnimState::Construct(SGraphNodeAnimState::FArguments(), InNode);
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}
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void SGraphNodeAnimConduit::GetNodeInfoPopups(FNodeInfoContext* Context, TArray<FGraphInformationPopupInfo>& Popups) const
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{
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// Intentionally empty.
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}
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FSlateColor SGraphNodeAnimConduit::GetBorderBackgroundColor_Internal(FLinearColor InactiveStateColor, FLinearColor ActiveStateColorDim, FLinearColor ActiveStateColorBright) const
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{
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// Override inactive state color for conduits.
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return SGraphNodeAnimState::GetBorderBackgroundColor_Internal(FLinearColor(0.38f, 0.45f, 0.21f), ActiveStateColorDim, ActiveStateColorBright);
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}
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FText SGraphNodeAnimConduit::GetPreviewCornerText() const
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{
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UAnimStateNodeBase* StateNode = CastChecked<UAnimStateNodeBase>(GraphNode);
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return FText::Format(NSLOCTEXT("SGraphNodeAnimState", "PreviewCornerConduitText", "{0} conduit"), FText::FromString(StateNode->GetStateName()));
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}
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const FSlateBrush* SGraphNodeAnimConduit::GetNameIcon() const
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{
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return FAppStyle::GetBrush( TEXT("Graph.ConduitNode.Icon") );
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}
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#undef LOCTEXT_NAMESPACE |