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| #include "GameFeatureAction_AddWidget.h"
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| #include "Components/GameFrameworkComponentManager.h"
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| #include "Engine/GameInstance.h"
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| #include "GameFeatures/GameFeatureAction_WorldActionBase.h"
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| #include "GameFeaturesSubsystemSettings.h"
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| #include "CommonUIExtensions.h"
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| #include "UI/LyraHUD.h"
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| #if WITH_EDITOR
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| #include "Misc/DataValidation.h"
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| #endif
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| #include UE_INLINE_GENERATED_CPP_BY_NAME(GameFeatureAction_AddWidget)
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|
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| #define LOCTEXT_NAMESPACE "LyraGameFeatures"
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| void UGameFeatureAction_AddWidgets::OnGameFeatureDeactivating(FGameFeatureDeactivatingContext& Context)
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| {
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| Super::OnGameFeatureDeactivating(Context);
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|
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| FPerContextData* ActiveData = ContextData.Find(Context);
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| if ensure(ActiveData)
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| {
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| Reset(*ActiveData);
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| }
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| }
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| #if WITH_EDITORONLY_DATA
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| void UGameFeatureAction_AddWidgets::AddAdditionalAssetBundleData(FAssetBundleData& AssetBundleData)
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| {
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| for (const FLyraHUDElementEntry& Entry : Widgets)
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| {
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| AssetBundleData.AddBundleAsset(UGameFeaturesSubsystemSettings::LoadStateClient, Entry.WidgetClass.ToSoftObjectPath().GetAssetPath());
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| }
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| }
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| #endif
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|
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| #if WITH_EDITOR
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| EDataValidationResult UGameFeatureAction_AddWidgets::IsDataValid(FDataValidationContext& Context) const
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| {
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| EDataValidationResult Result = CombineDataValidationResults(Super::IsDataValid(Context), EDataValidationResult::Valid);
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|
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| {
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| int32 EntryIndex = 0;
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| for (const FLyraHUDLayoutRequest& Entry : Layout)
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| {
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| if (Entry.LayoutClass.IsNull())
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| {
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| Result = EDataValidationResult::Invalid;
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| Context.AddError(FText::Format(LOCTEXT("LayoutHasNullClass", "Null WidgetClass at index {0} in Layout"), FText::AsNumber(EntryIndex)));
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| }
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| if (!Entry.LayerID.IsValid())
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| {
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| Result = EDataValidationResult::Invalid;
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| Context.AddError(FText::Format(LOCTEXT("LayoutHasNoTag", "LayerID is not set at index {0} in Widgets"), FText::AsNumber(EntryIndex)));
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| }
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| ++EntryIndex;
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| }
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| }
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|
|
| {
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| int32 EntryIndex = 0;
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| for (const FLyraHUDElementEntry& Entry : Widgets)
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| {
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| if (Entry.WidgetClass.IsNull())
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| {
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| Result = EDataValidationResult::Invalid;
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| Context.AddError(FText::Format(LOCTEXT("EntryHasNullClass", "Null WidgetClass at index {0} in Widgets"), FText::AsNumber(EntryIndex)));
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| }
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| if (!Entry.SlotID.IsValid())
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| {
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| Result = EDataValidationResult::Invalid;
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| Context.AddError(FText::Format(LOCTEXT("EntryHasNoTag", "SlotID is not set at index {0} in Widgets"), FText::AsNumber(EntryIndex)));
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| }
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| ++EntryIndex;
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| }
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| }
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| return Result;
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| }
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| #endif
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| void UGameFeatureAction_AddWidgets::AddToWorld(const FWorldContext& WorldContext, const FGameFeatureStateChangeContext& ChangeContext)
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| {
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| UWorld* World = WorldContext.World();
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| UGameInstance* GameInstance = WorldContext.OwningGameInstance;
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| FPerContextData& ActiveData = ContextData.FindOrAdd(ChangeContext);
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| if ((GameInstance != nullptr) && (World != nullptr) && World->IsGameWorld())
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| {
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| if (UGameFrameworkComponentManager* ComponentManager = UGameInstance::GetSubsystem<UGameFrameworkComponentManager>(GameInstance))
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| {
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| TSoftClassPtr<AActor> HUDActorClass = ALyraHUD::StaticClass();
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| TSharedPtr<FComponentRequestHandle> ExtensionRequestHandle = ComponentManager->AddExtensionHandler(
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| HUDActorClass,
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| UGameFrameworkComponentManager::FExtensionHandlerDelegate::CreateUObject(this, &ThisClass::HandleActorExtension, ChangeContext));
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| ActiveData.ComponentRequests.Add(ExtensionRequestHandle);
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| }
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| }
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| }
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| void UGameFeatureAction_AddWidgets::Reset(FPerContextData& ActiveData)
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| {
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| ActiveData.ComponentRequests.Empty();
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| for (TPair<FObjectKey, FPerActorData>& Pair : ActiveData.ActorData)
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| {
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| for (FUIExtensionHandle& Handle : Pair.Value.ExtensionHandles)
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| {
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| Handle.Unregister();
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| }
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| }
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| ActiveData.ActorData.Empty();
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| }
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| void UGameFeatureAction_AddWidgets::HandleActorExtension(AActor* Actor, FName EventName, FGameFeatureStateChangeContext ChangeContext)
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| {
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| FPerContextData& ActiveData = ContextData.FindOrAdd(ChangeContext);
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| if ((EventName == UGameFrameworkComponentManager::NAME_ExtensionRemoved) || (EventName == UGameFrameworkComponentManager::NAME_ReceiverRemoved))
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| {
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| RemoveWidgets(Actor, ActiveData);
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| }
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| else if ((EventName == UGameFrameworkComponentManager::NAME_ExtensionAdded) || (EventName == UGameFrameworkComponentManager::NAME_GameActorReady))
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| {
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| AddWidgets(Actor, ActiveData);
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| }
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| }
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| void UGameFeatureAction_AddWidgets::AddWidgets(AActor* Actor, FPerContextData& ActiveData)
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| {
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| ALyraHUD* HUD = CastChecked<ALyraHUD>(Actor);
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| if (!HUD->GetOwningPlayerController())
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| {
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| return;
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| }
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| if (ULocalPlayer* LocalPlayer = Cast<ULocalPlayer>(HUD->GetOwningPlayerController()->Player))
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| {
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| FPerActorData& ActorData = ActiveData.ActorData.FindOrAdd(HUD);
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| for (const FLyraHUDLayoutRequest& Entry : Layout)
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| {
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| if (TSubclassOf<UCommonActivatableWidget> ConcreteWidgetClass = Entry.LayoutClass.Get())
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| {
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| ActorData.LayoutsAdded.Add(UCommonUIExtensions::PushContentToLayer_ForPlayer(LocalPlayer, Entry.LayerID, ConcreteWidgetClass));
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| }
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| }
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| UUIExtensionSubsystem* ExtensionSubsystem = HUD->GetWorld()->GetSubsystem<UUIExtensionSubsystem>();
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| for (const FLyraHUDElementEntry& Entry : Widgets)
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| {
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| ActorData.ExtensionHandles.Add(ExtensionSubsystem->RegisterExtensionAsWidgetForContext(Entry.SlotID, LocalPlayer, Entry.WidgetClass.Get(), -1));
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| }
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| }
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| }
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| void UGameFeatureAction_AddWidgets::RemoveWidgets(AActor* Actor, FPerContextData& ActiveData)
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| {
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| ALyraHUD* HUD = CastChecked<ALyraHUD>(Actor);
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| FPerActorData* ActorData = ActiveData.ActorData.Find(HUD);
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| if (ActorData)
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| {
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| for (TWeakObjectPtr<UCommonActivatableWidget>& AddedLayout : ActorData->LayoutsAdded)
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| {
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| if (AddedLayout.IsValid())
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| {
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| AddedLayout->DeactivateWidget();
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| }
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| }
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| for (FUIExtensionHandle& Handle : ActorData->ExtensionHandles)
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| {
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| Handle.Unregister();
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| }
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| ActiveData.ActorData.Remove(HUD);
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| }
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| }
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| #undef LOCTEXT_NAMESPACE
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