Files
UnrealEngine/Engine/Source/Runtime/MovieSceneTracks/Private/Systems/DoublePerlinNoiseChannelEvaluatorSystem.cpp
Brandyn / Techy fcc1b09210 init
2026-04-04 15:40:51 -05:00

116 lines
4.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "Systems/DoublePerlinNoiseChannelEvaluatorSystem.h"
#include "Systems/MovieScenePiecewiseDoubleBlenderSystem.h"
#include "Systems/MovieSceneBaseValueEvaluatorSystem.h"
#include "EntitySystem/BuiltInComponentTypes.h"
#include "EntitySystem/MovieSceneEntitySystemTask.h"
#include "EntitySystem/MovieSceneEntitySystemLinker.h"
#include "EntitySystem/MovieSceneEntitySystemRunner.h"
#include "EntitySystem/MovieSceneEvalTimeSystem.h"
#include "Channels/MovieSceneDoublePerlinNoiseChannel.h"
#include "MovieSceneTracksComponentTypes.h"
#include "Math/NumericLimits.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(DoublePerlinNoiseChannelEvaluatorSystem)
DECLARE_CYCLE_STAT(TEXT("MovieScene: Evaluate Double Perlin Noise channels"), MovieSceneEval_EvaluateDoublePerlinNoiseChannelTask, STATGROUP_MovieSceneECS);
namespace UE
{
namespace MovieScene
{
struct FEvaluateDoublePerlinNoiseChannels
{
static void ForEachEntity(double EvalSeconds, const FPerlinNoiseParams& PerlinNoiseParams, double& OutResult)
{
OutResult = FMovieSceneDoublePerlinNoiseChannel::Evaluate(PerlinNoiseParams, EvalSeconds);
}
};
} // namespace MovieScene
} // namespace UE
UDoublePerlinNoiseChannelEvaluatorSystem::UDoublePerlinNoiseChannelEvaluatorSystem(const FObjectInitializer& ObjInit)
: Super(ObjInit)
{
using namespace UE::MovieScene;
SystemCategories = EEntitySystemCategory::ChannelEvaluators;
Phase = ESystemPhase::Instantiation | ESystemPhase::Scheduling;
const FBuiltInComponentTypes* BuiltInComponents = FBuiltInComponentTypes::Get();
const FMovieSceneTracksComponentTypes* TrackComponents = FMovieSceneTracksComponentTypes::Get();
RelevantComponent = TrackComponents->DoublePerlinNoiseChannel;
if (HasAnyFlags(RF_ClassDefaultObject))
{
// Allow writing to all the possible channels
for (int32 i = 0; i < UE_ARRAY_COUNT(BuiltInComponents->DoubleResult); ++i)
{
DefineComponentProducer(UDoublePerlinNoiseChannelEvaluatorSystem::StaticClass(), BuiltInComponents->DoubleResult[i]);
}
DefineImplicitPrerequisite(UMovieSceneEvalTimeSystem::StaticClass(), GetClass());
DefineImplicitPrerequisite(UMovieSceneBaseValueEvaluatorSystem::StaticClass(), GetClass());
DefineImplicitPrerequisite(GetClass(), UMovieScenePiecewiseDoubleBlenderSystem::StaticClass());
}
}
void UDoublePerlinNoiseChannelEvaluatorSystem::OnSchedulePersistentTasks(UE::MovieScene::IEntitySystemScheduler* TaskScheduler)
{
using namespace UE::MovieScene;
const FBuiltInComponentTypes* BuiltInComponents = FBuiltInComponentTypes::Get();
const FMovieSceneTracksComponentTypes* TrackComponents = FMovieSceneTracksComponentTypes::Get();
for (int32 i = 0; i < UE_ARRAY_COUNT(BuiltInComponents->DoubleResult); ++i)
{
FEntityTaskBuilder()
.Read(BuiltInComponents->EvalSeconds)
.Read(TrackComponents->DoublePerlinNoiseChannel)
.Write(BuiltInComponents->DoubleResult[i])
.FilterNone({ BuiltInComponents->Tags.Ignored })
.SetStat(GET_STATID(MovieSceneEval_EvaluateDoublePerlinNoiseChannelTask))
.Fork_PerEntity<FEvaluateDoublePerlinNoiseChannels>(&Linker->EntityManager, TaskScheduler);
}
}
void UDoublePerlinNoiseChannelEvaluatorSystem::OnRun(FSystemTaskPrerequisites& InPrerequisites, FSystemSubsequentTasks& Subsequents)
{
using namespace UE::MovieScene;
const FBuiltInComponentTypes* BuiltInComponents = FBuiltInComponentTypes::Get();
const FMovieSceneTracksComponentTypes* TrackComponents = FMovieSceneTracksComponentTypes::Get();
TSharedRef<FMovieSceneEntitySystemRunner> Runner = Linker->GetRunner();
if (Runner->GetCurrentPhase() == ESystemPhase::Instantiation)
{
for (int32 i = 0; i < UE_ARRAY_COUNT(BuiltInComponents->DoubleResult); ++i)
{
FEntityTaskBuilder()
.Read(BuiltInComponents->BaseValueEvalSeconds)
.Read(TrackComponents->DoublePerlinNoiseChannel)
.Write(BuiltInComponents->BaseDouble[i])
.FilterAll({ BuiltInComponents->Tags.NeedsLink })
.FilterNone({ BuiltInComponents->Tags.Ignored })
.RunInline_PerEntity(&Linker->EntityManager, FEvaluateDoublePerlinNoiseChannels());
}
}
else if (Runner->GetCurrentPhase() == ESystemPhase::Evaluation)
{
for (int32 i = 0; i < UE_ARRAY_COUNT(BuiltInComponents->DoubleResult); ++i)
{
FEntityTaskBuilder()
.Read(BuiltInComponents->EvalSeconds)
.Read(TrackComponents->DoublePerlinNoiseChannel)
.Write(BuiltInComponents->DoubleResult[i])
.FilterNone({ BuiltInComponents->Tags.Ignored })
.SetStat(GET_STATID(MovieSceneEval_EvaluateDoublePerlinNoiseChannelTask))
.Dispatch_PerEntity<FEvaluateDoublePerlinNoiseChannels>(&Linker->EntityManager, InPrerequisites, &Subsequents);
}
}
}