73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
// Copyright 2018-current Getnamo. All Rights Reserved
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#pragma once
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#include "Engine/LatentActionManager.h"
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#include "LatentActions.h"
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#include "Async/TaskGraphInterfaces.h"
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/** A simple latent action where we don't hold the value, expect capturing value in lambdas */
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class COREUTILITY_API FCULatentAction : public FPendingLatentAction
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{
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public:
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TFunction<void()> OnCancelNotification = nullptr;
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/** Note that you need to use the resulting call to cleanly exit */
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static FCULatentAction* CreateLatentAction(struct FLatentActionInfo& LatentInfo, UObject* WorldContext);
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FCULatentAction(const FLatentActionInfo& LatentInfo);
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virtual void UpdateOperation(FLatentResponse& Response) override;
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void Call();
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void Cancel();
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virtual void NotifyObjectDestroyed() override;
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virtual void NotifyActionAborted() override;
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#if WITH_EDITOR
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virtual FString GetDescription() const override;
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#endif
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const FName ExecutionFunction;
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const int32 OutputLink;
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const FWeakObjectPtr CallbackTarget;
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private:
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bool Called;
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};
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/**
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* Convenience wrappers for common thread/task work flow. Run background task on thread, callback via task graph on game thread
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*/
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class COREUTILITY_API FCULambdaRunnable
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{
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public:
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/**
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* Runs the passed lambda on the background thread, new thread per call
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*/
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static void RunLambdaOnBackGroundThread(TFunction< void()> InFunction);
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/**
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* Runs the passed lambda on the background thread pool
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*/
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static void RunLambdaOnBackGroundThreadPool(TFunction< void()> InFunction);
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/**
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* Runs a short lambda on the game thread via task graph system
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*/
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static FGraphEventRef RunShortLambdaOnGameThread(TFunction< void()> InFunction);
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/**
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* Runs a short lambda on background thread via task graph system
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*/
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static FGraphEventRef RunShortLambdaOnBackGroundTask(TFunction< void()> InFunction);
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/**
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* Runs a thread with idle for duration before calling back on game thread.
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* Due to context cost recommended for >0.1sec durations.
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*/
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static void SetTimeout(TFunction<void()>OnDone, float DurationInSec, bool bCallbackOnGameThread = true);
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};
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