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

77 lines
3.0 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "EntitySystem/MovieSceneBoundSceneComponentInstantiator.h"
#include "EntitySystem/MovieSceneBoundObjectInstantiator.h"
#include "EntitySystem/MovieSceneEntityInstantiatorSystem.h"
#include "EntitySystem/MovieSceneEntitySystemTask.h"
#include "EntitySystem/MovieSceneEntityManager.h"
#include "EntitySystem/MovieSceneEntityFactoryTemplates.h"
#include "EntitySystem/BuiltInComponentTypes.h"
#include "EntitySystem/MovieSceneInstanceRegistry.h"
#include "EntitySystem/MovieSceneEntitySystemLinker.h"
#include "EntitySystem/MovieSceneEntityMutations.h"
#include "Evaluation/MovieSceneEvaluationState.h"
#include "MovieSceneCommonHelpers.h"
#include "IMovieScenePlayer.h"
#include "Components/SceneComponent.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(MovieSceneBoundSceneComponentInstantiator)
PRAGMA_DISABLE_DEPRECATION_WARNINGS
UMovieSceneBoundSceneComponentInstantiator::UMovieSceneBoundSceneComponentInstantiator(const FObjectInitializer& ObjInit)
: Super(ObjInit)
{
using namespace UE::MovieScene;
FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
RelevantComponent = Components->SceneComponentBinding;
if (HasAnyFlags(RF_ClassDefaultObject))
{
DefineImplicitPrerequisite(GetClass(), UMovieSceneGenericBoundObjectInstantiator::StaticClass());
}
}
void UMovieSceneBoundSceneComponentInstantiator::OnRun(FSystemTaskPrerequisites& InPrerequisites, FSystemSubsequentTasks& Subsequents)
{
using namespace UE::MovieScene;
FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
struct FSceneComponentBindingMutation : IMovieSceneEntityMutation
{
virtual void CreateMutation(FEntityManager* EntityManager, FComponentMask* InOutEntityComponentTypes) const override
{
FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
InOutEntityComponentTypes->SetAll({ Components->GenericObjectBinding, Components->BoundObjectResolver });
}
virtual void InitializeAllocation(FEntityAllocation* Allocation, const FComponentMask& AllocationType) const
{
FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
const FGuid* SceneComponentBindings = Allocation->ReadComponents(Components->SceneComponentBinding).AsPtr();
FGuid* GenericObjectBindings = Allocation->WriteComponents(Components->GenericObjectBinding, FEntityAllocationWriteContext::NewAllocation()).AsPtr();
FBoundObjectResolver* BoundObjectResolvers = Allocation->WriteComponents(Components->BoundObjectResolver, FEntityAllocationWriteContext::NewAllocation()).AsPtr();
const int32 Num = Allocation->Num();
FMemory::Memcpy(GenericObjectBindings, SceneComponentBindings, sizeof(FGuid)*Num);
for (int32 Index = 0; Index < Num; ++Index)
{
BoundObjectResolvers[Index] = MovieSceneHelpers::ResolveSceneComponentBoundObject;
}
}
} Mutation;
Linker->EntityManager.MutateAll(
FEntityComponentFilter().All({ Components->SceneComponentBinding }), Mutation);
}
PRAGMA_ENABLE_DEPRECATION_WARNINGS