Files
UnrealEngine/Engine/Plugins/Animation/PoseSearch/Source/Runtime/Private/PoseSearchFeatureChannel_TimeToEvent.cpp
2025-05-18 13:04:45 +08:00

80 lines
3.0 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "PoseSearch/PoseSearchFeatureChannel_TimeToEvent.h"
#include "Engine/BlueprintGeneratedClass.h"
#include "PoseSearch/PoseSearchAnimNotifies.h"
#include "PoseSearch/PoseSearchAssetIndexer.h"
#include "PoseSearch/PoseSearchContext.h"
#include "PoseSearch/PoseSearchSchema.h"
UPoseSearchFeatureChannel_TimeToEvent::UPoseSearchFeatureChannel_TimeToEvent()
{
bUseBlueprintQueryOverride = Cast<UBlueprintGeneratedClass>(GetClass()) != nullptr;
}
bool UPoseSearchFeatureChannel_TimeToEvent::Finalize(UPoseSearchSchema* Schema)
{
ChannelDataOffset = Schema->SchemaCardinality;
ChannelCardinality = 1;
Schema->SchemaCardinality += ChannelCardinality;
return true;
}
void UPoseSearchFeatureChannel_TimeToEvent::BuildQuery(UE::PoseSearch::FSearchContext& SearchContext) const
{
using namespace UE::PoseSearch;
if (!bUseBlueprintQueryOverride)
{
UE_LOG(LogPoseSearch, Warning, TEXT("UPoseSearchFeatureChannel_TimeToEvent::BuildQuery - UPoseSearchFeatureChannel_TimeToEvent is designed to work only as BluePrint overridden class. The query TimeToEvent value will be defaulted to 0"));
return;
}
if (SearchContext.GetContexts().IsEmpty())
{
UE_LOG(LogPoseSearch, Error, TEXT("UPoseSearchFeatureChannel_Position::BuildQuery - no provided anim contexts!"));
}
if (const UAnimInstance* AnimInstance = Cast<UAnimInstance>(SearchContext.GetContexts()[0]->GetFirstObjectParam()))
{
const float TimeToEvent = BP_GetTimeToEvent(AnimInstance);
FFeatureVectorHelper::EncodeFloat(SearchContext.EditFeatureVector(), ChannelDataOffset, TimeToEvent);
}
else
{
UE_LOG(LogPoseSearch, Warning, TEXT("UPoseSearchFeatureChannel_TimeToEvent::BuildQuery - UPoseSearchFeatureChannel_TimeToEvent is designed to work only as BluePrint overridden class. The query TimeToEvent value will be defaulted to 0"));
}
}
#if WITH_EDITOR
void UPoseSearchFeatureChannel_TimeToEvent::FillWeights(TArrayView<float> Weights) const
{
for (int32 i = 0; i < ChannelCardinality; ++i)
{
Weights[ChannelDataOffset + i] = Weight;
}
}
bool UPoseSearchFeatureChannel_TimeToEvent::IndexAsset(UE::PoseSearch::FAssetIndexer& Indexer) const
{
using namespace UE::PoseSearch;
const FPoseSearchTimedNotifies<UAnimNotifyState_PoseSearchSamplingEvent> TimedNotifies(SamplingAttributeId, Indexer);
for (int32 SampleIdx = Indexer.GetBeginSampleIdx(); SampleIdx != Indexer.GetEndSampleIdx(); ++SampleIdx)
{
const float SampleTime = Indexer.CalculateSampleTime(SampleIdx);
const float EventTime = TimedNotifies.GetClosestFutureEvent(SampleTime).Time;
FFeatureVectorHelper::EncodeFloat(Indexer.GetPoseVector(SampleIdx), ChannelDataOffset, EventTime - SampleTime);
}
return true;
}
UE::PoseSearch::TLabelBuilder& UPoseSearchFeatureChannel_TimeToEvent::GetLabel(UE::PoseSearch::TLabelBuilder& LabelBuilder, UE::PoseSearch::ELabelFormat LabelFormat) const
{
GetOuterLabel(LabelBuilder, LabelFormat);
AppendLabelSeparator(LabelBuilder, LabelFormat);
LabelBuilder.Appendf(TEXT("TimeToEvent_%d"), SamplingAttributeId);
return LabelBuilder;
}
#endif