VRTowerDef/Plugins/MetaXR/Source/OculusXRMovement/Private/OculusXRMovementLiveLink.h

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2024-05-29 08:53:41 +00:00
// Copyright (c) Meta Platforms, Inc. and affiliates.
#pragma once
#include "CoreMinimal.h"
#include "ILiveLinkSource.h"
#include "LiveLinkTypes.h"
#include "Roles/LiveLinkAnimationRole.h"
#include "Roles/LiveLinkAnimationTypes.h"
#include "Roles/LiveLinkBasicRole.h"
#include "Tickable.h"
#include "OculusXRMovementTypes.h"
#define LOCTEXT_NAMESPACE "MetaOculusXRMovement"
namespace MetaXRMovement
{
template <typename MetaXRState, typename RoleTypeStaticData, typename RoleTypeFrameData, typename RoleT>
class TSubject
{
public:
explicit TSubject();
using Role = RoleT;
const FLiveLinkSubjectName Name;
FLiveLinkStaticDataStruct StaticData() const;
FLiveLinkFrameDataStruct FrameData();
bool IsLastFrameValid() const { return bLastFrameIsValid; };
bool Start();
bool Stop();
static bool IsSupported();
private:
bool bLastFrameIsValid;
bool bStarted;
MetaXRState LastState;
void InitializeRoleStaticData(RoleTypeStaticData& StaticData) const;
void UpdateFrame(RoleTypeFrameData& FrameData);
};
using FEyeSubject = TSubject<FOculusXREyeGazesState, FLiveLinkSkeletonStaticData, FLiveLinkAnimationFrameData, ULiveLinkAnimationRole>;
using FFaceSubject = TSubject<FOculusXRFaceState, FLiveLinkBaseStaticData, FLiveLinkBaseFrameData, ULiveLinkBasicRole>;
using FBodySubject = TSubject<FOculusXRBodyState, FLiveLinkSkeletonStaticData, FLiveLinkAnimationFrameData, ULiveLinkAnimationRole>;
class LiveLinkSource : public ILiveLinkSource, public FTickableGameObject
{
public:
LiveLinkSource();
virtual ~LiveLinkSource() override = default;
// ILiveLinkSource implementation
virtual void ReceiveClient(ILiveLinkClient* InClient, FGuid InSourceGuid) override;
virtual bool IsSourceStillValid() const override;
virtual bool RequestSourceShutdown() override;
virtual FText GetSourceType() const override;
virtual FText GetSourceMachineName() const override;
virtual FText GetSourceStatus() const override;
// FTickableGameObject implementation
virtual void Tick(float DeltaTime) override;
virtual bool IsTickable() const override { return bAnySupported && Client; };
virtual TStatId GetStatId() const override
{
RETURN_QUICK_DECLARE_CYCLE_STAT(FOculusXRMovementLiveLink, STATGROUP_Tickables);
}
virtual bool IsTickableInEditor() const override { return true; }
virtual bool IsTickableWhenPaused() const override { return true; }
private:
enum class ESubjectInitializationResult
{
Started = 0,
StartFailed = 1,
NotSupported = 2
};
static constexpr const char* ResultToText[]{ "started", "start_failed", "not_supported" };
template <typename SubjectT>
ESubjectInitializationResult InitializeMovementSubject(TOptional<FLiveLinkSubjectKey>& Key, SubjectT& Subject);
void InitializeMovementSubjects();
template <typename SubjectT>
void UpdateMovementSubject(const TOptional<FLiveLinkSubjectKey>& Key, SubjectT& Subject);
void UpdateMovementSubjects();
// LiveLink Data
// The local client to push data updates to
ILiveLinkClient* Client{ nullptr };
// Our identifier in LiveLink
FGuid SourceGuid;
// Whenever any of the trackers is supported.
const bool bAnySupported;
// This subject's keys. Initialized only if a tracker is supported.
TOptional<FLiveLinkSubjectKey> KeyEye;
TOptional<FLiveLinkSubjectKey> KeyFace;
TOptional<FLiveLinkSubjectKey> KeyBody;
// Subjects
FEyeSubject Eye;
FFaceSubject Face;
FBodySubject Body;
};
} // namespace MetaXRMovement
#undef LOCTEXT_NAMESPACE