unitysamples / LyraStarterGame /Source /LyraGame /GameFeatures /GameFeatureAction_WorldActionBase.cpp
| // Copyright Epic Games, Inc. All Rights Reserved. | |
| void UGameFeatureAction_WorldActionBase::OnGameFeatureActivating(FGameFeatureActivatingContext& Context) | |
| { | |
| GameInstanceStartHandles.FindOrAdd(Context) = FWorldDelegates::OnStartGameInstance.AddUObject(this, | |
| &UGameFeatureAction_WorldActionBase::HandleGameInstanceStart, FGameFeatureStateChangeContext(Context)); | |
| // Add to any worlds with associated game instances that have already been initialized | |
| for (const FWorldContext& WorldContext : GEngine->GetWorldContexts()) | |
| { | |
| if (Context.ShouldApplyToWorldContext(WorldContext)) | |
| { | |
| AddToWorld(WorldContext, Context); | |
| } | |
| } | |
| } | |
| void UGameFeatureAction_WorldActionBase::OnGameFeatureDeactivating(FGameFeatureDeactivatingContext& Context) | |
| { | |
| FDelegateHandle* FoundHandle = GameInstanceStartHandles.Find(Context); | |
| if (ensure(FoundHandle)) | |
| { | |
| FWorldDelegates::OnStartGameInstance.Remove(*FoundHandle); | |
| } | |
| } | |
| void UGameFeatureAction_WorldActionBase::HandleGameInstanceStart(UGameInstance* GameInstance, FGameFeatureStateChangeContext ChangeContext) | |
| { | |
| if (FWorldContext* WorldContext = GameInstance->GetWorldContext()) | |
| { | |
| if (ChangeContext.ShouldApplyToWorldContext(*WorldContext)) | |
| { | |
| AddToWorld(*WorldContext, ChangeContext); | |
| } | |
| } | |
| } | |