95 lines
4.3 KiB
C++
95 lines
4.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Bindings/MovieSceneReplaceableDirectorBlueprintBinding.h"
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#include "EntitySystem/MovieSceneSharedPlaybackState.h"
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#include "GameFramework/Actor.h"
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#include "Engine/World.h"
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#include "Engine/Level.h"
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#include "MovieScenePossessable.h"
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#include "MovieScene.h"
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#include "IMovieScenePlayer.h"
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#include "MovieSceneBindingReferences.h"
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#include "MovieSceneCommonHelpers.h"
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#include "Bindings/MovieSceneSpawnableActorBinding.h"
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#include "MovieSceneDynamicBindingInvoker.h"
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#define LOCTEXT_NAMESPACE "MovieScene"
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#if WITH_EDITOR
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FText UMovieSceneReplaceableDirectorBlueprintBinding::GetBindingTypePrettyName() const
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{
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return LOCTEXT("MovieSceneReplaceableDirectorBlueprintBinding", "Replaceable from Director Blueprint");
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}
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void UMovieSceneReplaceableDirectorBlueprintBinding::OnBindingAddedOrChanged(UMovieScene& OwnerMovieScene)
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{
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if ((PreviewSpawnableType == nullptr && PreviewSpawnable)
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|| (PreviewSpawnableType != nullptr && (!PreviewSpawnable || PreviewSpawnable->GetClass() != PreviewSpawnableType)))
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{
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if (PreviewSpawnableType == nullptr)
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{
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PreviewSpawnable = nullptr;
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}
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else
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{
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PreviewSpawnable = NewObject<UMovieSceneSpawnableBindingBase>(&OwnerMovieScene, PreviewSpawnableType, NAME_None, RF_Transactional);
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}
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}
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}
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UMovieSceneCustomBinding* UMovieSceneReplaceableDirectorBlueprintBinding::CreateCustomBindingFromBinding(const FMovieSceneBindingReference& BindingReference, UObject* SourceObject, UMovieScene& OwnerMovieScene)
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{
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// We override this specifically to initialize PreviewSpawnableType on conversions so that we end up with a custom preview from whatever object was passed in in that case.
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UMovieSceneReplaceableDirectorBlueprintBinding* NewCustomBinding = nullptr;
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const FName TemplateName = MakeUniqueObjectName(&OwnerMovieScene, UObject::StaticClass(), SourceObject ? SourceObject->GetFName() : GetClass()->GetFName());
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const FName InstancedBindingName = MakeUniqueObjectName(&OwnerMovieScene, UObject::StaticClass(), *FString(TemplateName.ToString() + TEXT("_CustomBinding")));
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NewCustomBinding = NewObject<UMovieSceneReplaceableDirectorBlueprintBinding>(&OwnerMovieScene, GetClass(), InstancedBindingName, RF_Transactional);
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// If no inner spawnable class has been set, and it's available, set it to Spawnable Actor so we at least get some preview when converting an existing binding to this type
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if (!NewCustomBinding->PreviewSpawnableType && UMovieScene::IsCustomBindingClassAllowed(UMovieSceneSpawnableActorBinding::StaticClass()))
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{
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NewCustomBinding->PreviewSpawnableType = UMovieSceneSpawnableActorBinding::StaticClass();
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}
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NewCustomBinding->PreviewSpawnable = NewCustomBinding->CreateInnerSpawnable(SourceObject, OwnerMovieScene);
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NewCustomBinding->InitReplaceableBinding(SourceObject, OwnerMovieScene);
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return NewCustomBinding;
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}
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#endif
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void UMovieSceneReplaceableDirectorBlueprintBinding::PostDuplicate(EDuplicateMode::Type DuplicateMode)
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{
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Super::PostDuplicate(DuplicateMode);
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// If we were duplicated into a different package we can't reference the old function any more
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// For now we null it out, but it would be good to copy the endpoint as well (we currently can't do that
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// because there is no way to generically access the correct director BP class from UMovieSceneSequence
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if (DynamicBinding.Function && GetTypedOuter<UMovieScene>() != nullptr)
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{
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UPackage* FunctionPackage = DynamicBinding.Function->GetPackage();
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UPackage* Package = GetPackage();
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if (Package != FunctionPackage)
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{
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DynamicBinding.Function = nullptr;
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DynamicBinding.ResolveParamsProperty = nullptr;
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#if WITH_EDITORONLY_DATA
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DynamicBinding.WeakEndpoint = nullptr;
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#endif
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}
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}
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}
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FMovieSceneBindingResolveResult UMovieSceneReplaceableDirectorBlueprintBinding::ResolveRuntimeBindingInternal(const FMovieSceneBindingResolveParams& ResolveParams, int32 BindingIndex, TSharedRef<const UE::MovieScene::FSharedPlaybackState> SharedPlaybackState) const
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{
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FMovieSceneBindingResolveResult ResolveResult;
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FMovieSceneDynamicBindingResolveResult DynamicResolveResult = FMovieSceneDynamicBindingInvoker::ResolveDynamicBinding(SharedPlaybackState, ResolveParams.Sequence, ResolveParams.SequenceID, ResolveParams.ObjectBindingID, DynamicBinding);
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ResolveResult.Object = DynamicResolveResult.Object;
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return ResolveResult;
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}
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#undef LOCTEXT_NAMESPACE |