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