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Replace activity event lstener #1

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44 changes: 23 additions & 21 deletions ArcActivityExample/Source/ArcActivityExample/Private/Activity/ArcObjectiveTracker_Event.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,8 @@


#include "Activity/ArcObjectiveTracker_Event.h"
#include "ArcActivityWorldSubsystem.h"
#include "ArcActivityInstance.h"
#include "Events/ArcAsyncAction_ListenForEvent.h"

void UArcObjectiveTracker_Event::BeginPlay_Implementation()
{
Expand All @@ -15,44 +15,46 @@ void UArcObjectiveTracker_Event::BeginPlay_Implementation()

Activations = 0;

if (UArcActivityWorldSubsystem* WorldSubsystem = GetSubsystem())
{
auto Callback = [this](FGameplayTag Tag, const UScriptStruct* ScriptStruct, const void* Data)
{
if (IsValid(this))
{
MessageHandler(Tag);
}
};
ListenerHandle = WorldSubsystem->UNSAFE_DANGER_RegisterListenerInternal(EventTagToListenFor, Callback, EventPayloadStruct, EventMatchType);

GetActivityInstance()->SetTaggedData(UIMaxValueTag, MaxCount);
GetActivityInstance()->SetTaggedData(UICurrentValueTag, 0);
}
// Create the async action
ActivityMessageListener = UArcAsyncAction_ListenForEvent::ListenForActivityMessage(this, EventTagToListenFor, EventPayloadStruct, EventMatchType);
// Bind delegates
ActivityMessageListener->OnMessageReceived.AddDynamic(this, &ThisClass::MessageHandler);
ActivityMessageListener->Activate();

GetActivityInstance()->SetTaggedData(UIMaxValueTag, MaxCount);
GetActivityInstance()->SetTaggedData(UICurrentValueTag, 0);
}

void UArcObjectiveTracker_Event::EndPlay_Implementation(bool Canceled)
{
//We don't want to hear completions anymore from this
if (ListenerHandle.IsValid())
{
ListenerHandle.Unregister();
}
ClearActivityMessageListener();

GetActivityInstance()->ClearTaggedData(UIMaxValueTag);
GetActivityInstance()->ClearTaggedData(UICurrentValueTag);
}

void UArcObjectiveTracker_Event::MessageHandler(FGameplayTag Tag)
void UArcObjectiveTracker_Event::MessageHandler(UArcAsyncAction_ListenForEvent* ProxyObject, FGameplayTag ChannelTag)
{
Activations = FMath::Min(Activations + 1, MaxCount);

GetActivityInstance()->SetTaggedData(UICurrentValueTag, Activations);

if (Activations >= MaxCount)
{
ListenerHandle.Unregister();
ClearActivityMessageListener();

MarkSuccess();
return;
}
}

void UArcObjectiveTracker_Event::ClearActivityMessageListener() const
{
//We don't want to hear completions anymore from this
if (ActivityMessageListener)
{
ActivityMessageListener->Cancel();
ActivityMessageListener->SetReadyToDestroy();
}
}
9 changes: 8 additions & 1 deletion ArcActivityExample/Source/ArcActivityExample/Public/Activity/ArcObjectiveTracker_Event.h
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Original file line number Diff line number Diff line change
Expand Up @@ -42,5 +42,12 @@ class ARCACTIVITYEXAMPLE_API UArcObjectiveTracker_Event : public UArcActivityTas

private:
FArcActivityMessageListenerHandle ListenerHandle;
void MessageHandler(FGameplayTag Tag);

UFUNCTION()
void MessageHandler(UArcAsyncAction_ListenForEvent* ProxyObject,FGameplayTag ChannelTag);

void ClearActivityMessageListener() const;

UPROPERTY()
TObjectPtr<UArcAsyncAction_ListenForEvent> ActivityMessageListener;
};