October3d55/M/LowEntryExtStdLib/Source/LowEntryExtendedStandardLib.../Private/ClassesLatentAction/LowEntryLatentActionStruct.cpp

73 lines
1.6 KiB
C++

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