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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
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// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/ScriptInterface.h"
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#include "GameplayTaskOwnerInterface.h"
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#include "GameplayTask.h"
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#include "GameplayTask_TimeLimitedExecution.generated.h"
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/**
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* Adds time limit for running a child task
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* - child task needs to be created with UGameplayTask_TimeLimitedExecution passed as TaskOwner
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* - activations are tied together and when either UGameplayTask_TimeLimitedExecution or child task is activated, other one starts as well
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* - OnFinished and OnTimeExpired are mutually exclusive
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*/
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UCLASS(MinimalAPI)
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class UGameplayTask_TimeLimitedExecution : public UGameplayTask
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{
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GENERATED_BODY()
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DECLARE_DYNAMIC_MULTICAST_DELEGATE(FTaskFinishDelegate);
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public:
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UGameplayTask_TimeLimitedExecution(const FObjectInitializer& ObjectInitializer);
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/** called when child task finishes execution before time runs out */
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UPROPERTY(BlueprintAssignable)
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FTaskFinishDelegate OnFinished;
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/** called when time runs out */
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UPROPERTY(BlueprintAssignable)
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FTaskFinishDelegate OnTimeExpired;
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virtual void Activate() override;
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virtual void OnGameplayTaskActivated(UGameplayTask& Task) override;
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virtual void OnGameplayTaskDeactivated(UGameplayTask& Task) override;
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/** Return debug string describing task */
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virtual FString GetDebugString() const override;
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GAMEPLAYTASKS_API static UGameplayTask_TimeLimitedExecution* LimitExecutionTime(IGameplayTaskOwnerInterface& InTaskOwner, float Time, const uint8 Priority = FGameplayTasks::DefaultPriority, const FName InInstanceName = FName());
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private:
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void OnTimer();
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float Time;
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float TimeStarted;
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uint32 bTimeExpired : 1;
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uint32 bChildTaskFinished : 1;
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};
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