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101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "K2Node.h"
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#include "K2Node_EaseFunction.generated.h"
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/////////////////////////////////////////////////////
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// UK2Node_EaseFunction
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USTRUCT()
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struct FCustomPin
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{
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GENERATED_USTRUCT_BODY()
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/** Name of the pin within the current node */
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UPROPERTY()
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FString PinName;
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/** Name of the pin of the call function */
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UPROPERTY()
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FString CallFuncPinName;
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/** If TRUE this is a custom pin that does come from the type of wildcard pin connected */
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UPROPERTY()
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bool bValuePin;
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};
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UCLASS(MinimalAPI)
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class UK2Node_EaseFunction : public UK2Node
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{
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GENERATED_UCLASS_BODY()
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// Begin UEdGraphNode interface.
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virtual void AllocateDefaultPins() override;
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virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
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void GetContextMenuActions(const FGraphNodeContextMenuBuilder& Context) const override;
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virtual void PinDefaultValueChanged(UEdGraphPin* Pin) override;
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virtual void PinTypeChanged(UEdGraphPin* Pin) override;
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virtual FText GetTooltipText() const override;
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virtual FName GetPaletteIcon(FLinearColor& OutColor) const override;
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// End UEdGraphNode interface.
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// Begin UK2Node interface.
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virtual void ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
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virtual void NotifyPinConnectionListChanged(UEdGraphPin* Pin) override;
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virtual void PostReconstructNode() override;
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virtual bool IsConnectionDisallowed(const UEdGraphPin* MyPin, const UEdGraphPin* OtherPin, FString& OutReason) const override;
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virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const override;
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virtual FText GetMenuCategory() const override;
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// End UK2Node interface.
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private:
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/** Reset the A, B and Result pins to its initial wildcard state */
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void ResetToWildcards();
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/** returns the EaseFunc pin */
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UEdGraphPin* GetEaseFuncPin() const;
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/** Returns TRUE if the selected curve can feature customization, FALSE otherwise */
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bool CanCustomizeCurve() const
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{
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const auto EaseFuncPin = GetEaseFuncPin();
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return EaseFuncPin && EaseFuncPin->LinkedTo.Num() == 0;
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}
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/**
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* Notification from the editor that the user wants to change the PinType on a selected pin
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*
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* @param Pin The pin the user wants to change the type for
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*/
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void ChangePinType(UEdGraphPin* Pin);
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/** Generates the available custom pins for the current ease function if applicable */
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void RefreshPinVisibility();
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/** Update MyPin with data from another pin. Return FALSE in case nothing was changed, TRUE otherwise. */
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bool UpdatePin(UEdGraphPin* MyPin, UEdGraphPin* OtherPin);
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/**
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* Takes the specified "MutatablePin" and sets its 'PinToolTip' field (according
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* to the specified description)
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*
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* @param MutatablePin The pin you want to set tool-tip text on
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* @param PinDescription A string describing the pin's purpose
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*/
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void SetPinToolTip(UEdGraphPin& MutatablePin, const FText& PinDescription) const;
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/** Called right after the wildcard pins has been assigned a value */
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void GenerateExtraPins();
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/** Name of the kismet ease function to be called */
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UPROPERTY()
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FString EaseFunctionName;
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/** Tooltip text for this node. */
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FText NodeTooltip;
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/** The "EaseFunc" input pin, used to enable/disable easing customization */
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UEdGraphPin* CachedEaseFuncPin;
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};
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