98 lines
3.9 KiB
C++
98 lines
3.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "EdGraph/EdGraphNodeUtils.h"
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#include "K2Node.h"
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#include "K2Node_EventNodeInterface.h"
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#include "BlueprintNodeSpawner.h"
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#include "K2Node_EnhancedInputAction.generated.h"
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#define UE_API INPUTBLUEPRINTNODES_API
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class UInputAction;
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enum class ETriggerEvent : uint8;
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namespace ENodeTitleType { enum Type : int; }
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struct FBlueprintNodeSignature;
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class FBlueprintActionDatabaseRegistrar;
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class FKismetCompilerContext;
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/**
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* A node spawner which will check if there is already an enhanced input event node (UK2Node_EnhancedInputAction)
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* before spawning a new one in the graph. This makes the behavior of enhanced input action nodes the same as other
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* event nodes.
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*/
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UCLASS(Transient)
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class UInputActionEventNodeSpawner final : public UBlueprintNodeSpawner
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{
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GENERATED_BODY()
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public:
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static UInputActionEventNodeSpawner* Create(TSubclassOf<UEdGraphNode> const NodeClass, TObjectPtr<const UInputAction> InAction);
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private:
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virtual UEdGraphNode* Invoke(UEdGraph* ParentGraph, FBindingSet const& Bindings, FVector2D const Location) const override;
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UK2Node* FindExistingNode(const UBlueprint* Blueprint) const;
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// We don't want references to node spawners to be keeping any input action assets from GC
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// if you unload a plugin for example, so we keep it as a weak pointer.
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UPROPERTY()
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TWeakObjectPtr<const UInputAction> WeakActionPtr = nullptr;
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};
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UCLASS(MinimalAPI)
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class UK2Node_EnhancedInputAction : public UK2Node, public IK2Node_EventNodeInterface
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{
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GENERATED_UCLASS_BODY()
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UPROPERTY()
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TObjectPtr<const UInputAction> InputAction;
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//~ Begin UEdGraphNode Interface.
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UE_API virtual void AllocateDefaultPins() override;
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UE_API virtual FLinearColor GetNodeTitleColor() const override;
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UE_API virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
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UE_API virtual FText GetTooltipText() const override;
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UE_API virtual FSlateIcon GetIconAndTint(FLinearColor& OutColor) const override;
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UE_API virtual bool IsCompatibleWithGraph(UEdGraph const* Graph) const override;
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UE_API virtual UObject* GetJumpTargetForDoubleClick() const override;
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UE_API virtual void JumpToDefinition() const override;
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//~ End UEdGraphNode Interface.
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//~ Begin UK2Node Interface
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UE_API virtual void ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const override;
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virtual bool ShouldShowNodeProperties() const override { return true; }
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UE_API virtual void ExpandNode(FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
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UE_API virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const override;
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UE_API virtual FText GetMenuCategory() const override;
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virtual bool CanUserEditPinAdvancedViewFlag() const override { return true; }
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UE_API virtual FBlueprintNodeSignature GetSignature() const override;
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UE_API virtual void PostReconstructNode();
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UE_API virtual void PinConnectionListChanged(UEdGraphPin* Pin);
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UE_API virtual bool IsConnectionDisallowed(const UEdGraphPin* MyPin, const UEdGraphPin* OtherPin, FString& OutReason) const override;
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//~ End UK2Node Interface
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//~ Begin IK2Node_EventNodeInterface Interface.
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UE_API virtual TSharedPtr<FEdGraphSchemaAction> GetEventNodeAction(const FText& ActionCategory) override;
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//~ End IK2Node_EventNodeInterface Interface.
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UE_API bool HasAnyConnectedEventPins() const;
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private:
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UE_API FName GetActionName() const;
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UE_API void HideEventPins(UEdGraphPin* RetainPin);
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// Iterates each connected trigger event pin until Predicate returns false or we've iterated all active pins
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UE_API void ForEachActiveEventPin(TFunctionRef<bool(ETriggerEvent, UEdGraphPin&)> Predicate) const;
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/** Gets the ETriggerEvent from an exec pin based on the Pins name. */
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UE_API const ETriggerEvent GetTriggerTypeFromExecPin(const UEdGraphPin* ExecPin) const;
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/** Constructing FText strings can be costly, so we cache the node's title/tooltip */
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FNodeTextCache CachedTooltip;
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FNodeTextCache CachedNodeTitle;
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};
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#undef UE_API
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