73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
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// Copyright Low Entry. Apache License, Version 2.0.
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#include "LowEntryLatentActionObject.h"
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#include "FLowEntryLatentActionObject.h"
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#include "Engine/Engine.h"
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ULowEntryLatentActionObject::ULowEntryLatentActionObject(const FObjectInitializer& ObjectInitializer) : Super(ObjectInitializer)
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{
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KeepAliveCount = 1;
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AddToRoot();
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}
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ULowEntryLatentActionObject* ULowEntryLatentActionObject::Create()
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{
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return NewObject<ULowEntryLatentActionObject>();
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}
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void ULowEntryLatentActionObject::WaitTillDone(UObject* WorldContextObject, FLatentActionInfo LatentInfo, UObject*& Result_)
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{
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UWorld* World = GEngine->GetWorldFromContextObject(WorldContextObject, EGetWorldErrorMode::LogAndReturnNull);
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if (World == nullptr)
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{
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return;
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}
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if (World->GetLatentActionManager().FindExistingAction<FLowEntryLatentActionObject>(LatentInfo.CallbackTarget, LatentInfo.UUID) != nullptr)
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{
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return;
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}
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World->GetLatentActionManager().AddNewAction(LatentInfo.CallbackTarget, LatentInfo.UUID, new FLowEntryLatentActionObject(LatentInfo, this, Result_));
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KeepAliveCount++;
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if (KeepAliveCount == 1)
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{
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AddToRoot();
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}
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}
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void ULowEntryLatentActionObject::LatentActionDone()
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{
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KeepAliveCount--;
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if (KeepAliveCount == 0)
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{
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RemoveFromRoot();
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}
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if (KeepAliveCount < 0)
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{
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KeepAliveCount = 0;
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}
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}
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void ULowEntryLatentActionObject::Done(UObject* Result_)
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{
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Result = Result_;
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if (!Finished)
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{
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LatentActionDone(); // used to reduce KeepAliveCount by 1
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Finished = true;
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}
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}
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bool ULowEntryLatentActionObject::IsDone()
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{
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return Finished;
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}
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void ULowEntryLatentActionObject::GetResult(UObject*& Result_)
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{
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Result_ = Result;
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}
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