Files
UnrealEngine/Engine/Source/Runtime/MovieScene/Private/EntitySystem/MovieSceneBoundObjectInstantiator.cpp
2025-05-18 13:04:45 +08:00

53 lines
1.9 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "EntitySystem/MovieSceneBoundObjectInstantiator.h"
#include "EntitySystem/MovieSceneEntityInstantiatorSystem.h"
#include "EntitySystem/MovieSceneEntitySystemTask.h"
#include "EntitySystem/MovieSceneEntityManager.h"
#include "EntitySystem/BuiltInComponentTypes.h"
#include "EntitySystem/MovieSceneInstanceRegistry.h"
#include "EntitySystem/MovieSceneComponentRegistry.h"
#include "EntitySystem/MovieSceneEntitySystemLinker.h"
#include "EntitySystem/MovieSceneEntityFactoryTemplates.h"
#include "IMovieScenePlayer.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(MovieSceneBoundObjectInstantiator)
UMovieSceneGenericBoundObjectInstantiator::UMovieSceneGenericBoundObjectInstantiator(const FObjectInitializer& ObjInit)
: Super(ObjInit)
{
using namespace UE::MovieScene;
FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
RelevantComponent = Components->GenericObjectBinding;
if (HasAnyFlags(RF_ClassDefaultObject))
{
DefineComponentProducer(GetClass(), Components->BoundObject);
DefineComponentProducer(GetClass(), Components->SymbolicTags.CreatesEntities);
}
}
void UMovieSceneGenericBoundObjectInstantiator::OnRun(FSystemTaskPrerequisites& InPrerequisites, FSystemSubsequentTasks& Subsequents)
{
using namespace UE::MovieScene;
FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
UnlinkStaleObjectBindings(Components->GenericObjectBinding);
FBoundObjectTask BoundObjectTask(Linker);
// Gather all newly instanced entities with an object binding ID
FEntityTaskBuilder()
.ReadEntityIDs()
.Read(Components->InstanceHandle)
.Read(Components->GenericObjectBinding)
.ReadOptional(Components->BoundObjectResolver)
.FilterAny({ Components->Tags.NeedsLink, Components->Tags.HasUnresolvedBinding })
.FilterNone({ Components->Tags.NeedsUnlink })
.RunInline_PerAllocation(&Linker->EntityManager, BoundObjectTask);
}