71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Teams/AsyncAction_ObserveTeam.h"
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#include "CoreTypes.h"
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#include "Teams/LyraTeamAgentInterface.h"
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UAsyncAction_ObserveTeam::UAsyncAction_ObserveTeam(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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}
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UAsyncAction_ObserveTeam* UAsyncAction_ObserveTeam::ObserveTeam(UObject* TeamAgent)
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{
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return InternalObserveTeamChanges(TeamAgent);
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}
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UAsyncAction_ObserveTeam* UAsyncAction_ObserveTeam::InternalObserveTeamChanges(TScriptInterface<ILyraTeamAgentInterface> TeamActor)
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{
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UAsyncAction_ObserveTeam* Action = nullptr;
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if (TeamActor != nullptr)
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{
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Action = NewObject<UAsyncAction_ObserveTeam>();
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Action->TeamInterfacePtr = TeamActor;
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Action->RegisterWithGameInstance(TeamActor.GetObject());
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}
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return Action;
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}
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void UAsyncAction_ObserveTeam::SetReadyToDestroy()
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{
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Super::SetReadyToDestroy();
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// If we're being canceled we need to unhook everything we might have tried listening to.
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if (ILyraTeamAgentInterface* TeamInterface = TeamInterfacePtr.Get())
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{
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TeamInterface->GetTeamChangedDelegateChecked().RemoveAll(this);
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}
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}
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void UAsyncAction_ObserveTeam::Activate()
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{
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bool bCouldSucceed = false;
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int32 CurrentTeamIndex = INDEX_NONE;
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if (ILyraTeamAgentInterface* TeamInterface = TeamInterfacePtr.Get())
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{
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CurrentTeamIndex = GenericTeamIdToInteger(TeamInterface->GetGenericTeamId());
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TeamInterface->GetTeamChangedDelegateChecked().AddDynamic(this, &ThisClass::OnWatchedAgentChangedTeam);
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bCouldSucceed = true;
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}
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// Broadcast once so users get the current state
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OnTeamChanged.Broadcast(CurrentTeamIndex != INDEX_NONE, CurrentTeamIndex);
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// We weren't able to bind to a delegate so we'll never get any additional updates
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if (!bCouldSucceed)
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{
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SetReadyToDestroy();
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}
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}
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void UAsyncAction_ObserveTeam::OnWatchedAgentChangedTeam(UObject* TeamAgent, int32 OldTeam, int32 NewTeam)
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{
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OnTeamChanged.Broadcast(NewTeam != INDEX_NONE, NewTeam);
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}
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