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74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "EdGraphSchema_K2_Actions.h"
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#include "K2Node_BaseAsyncTask.generated.h"
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class UK2Node_CustomEvent;
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class UEdGraphPin;
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class UK2Node_TemporaryVariable;
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UCLASS(Abstract)
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class BLUEPRINTGRAPH_API UK2Node_BaseAsyncTask : public UK2Node
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{
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GENERATED_UCLASS_BODY()
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// UEdGraphNode interface
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virtual void AllocateDefaultPins() override;
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virtual FText GetTooltipText() const override;
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virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
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virtual bool IsCompatibleWithGraph(const UEdGraph* TargetGraph) const override;
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virtual void ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const override;
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// End of UEdGraphNode interface
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// UK2Node interface
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virtual void ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
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virtual bool HasExternalDependencies(TArray<class UStruct*>* OptionalOutput) const override;
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virtual FName GetCornerIcon() 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 of UK2Node interface
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protected:
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// Returns the factory function (checked)
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UFunction* GetFactoryFunction() const;
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protected:
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// The name of the function to call to create a proxy object
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UPROPERTY()
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FName ProxyFactoryFunctionName;
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// The class containing the proxy object functions
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UPROPERTY()
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UClass* ProxyFactoryClass;
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// The type of proxy object that will be created
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UPROPERTY()
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UClass* ProxyClass;
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// The name of the 'go' function on the proxy object that will be called after delegates are in place, can be NAME_None
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UPROPERTY()
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FName ProxyActivateFunctionName;
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struct BLUEPRINTGRAPH_API FBaseAsyncTaskHelper
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{
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struct FOutputPinAndLocalVariable
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{
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UEdGraphPin* OutputPin;
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UK2Node_TemporaryVariable* TempVar;
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FOutputPinAndLocalVariable(UEdGraphPin* Pin, UK2Node_TemporaryVariable* Var) : OutputPin(Pin), TempVar(Var) {}
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};
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static bool ValidDataPin(const UEdGraphPin* Pin, EEdGraphPinDirection Direction, const UEdGraphSchema_K2* Schema);
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static bool CreateDelegateForNewFunction(UEdGraphPin* DelegateInputPin, FName FunctionName, UK2Node* CurrentNode, UEdGraph* SourceGraph, FKismetCompilerContext& CompilerContext);
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static bool CopyEventSignature(UK2Node_CustomEvent* CENode, UFunction* Function, const UEdGraphSchema_K2* Schema);
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static bool HandleDelegateImplementation(
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UMulticastDelegateProperty* CurrentProperty, const TArray<FBaseAsyncTaskHelper::FOutputPinAndLocalVariable>& VariableOutputs,
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UEdGraphPin* ProxyObjectPin, UEdGraphPin*& InOutLastThenPin,
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UK2Node* CurrentNode, UEdGraph* SourceGraph, FKismetCompilerContext& CompilerContext);
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};
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};
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