DtOpenVrWorldAnchor.h

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/******************************************************************************
** Copyright (c) 2024 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include "vrvVirtualReality/vrvVirtualReality.h"
#include "vrvVirtualReality/DtVirtualRealityProvider.h"

#include <vrvUtil/DtQuat.h>
#include <vrvUtil/DtSignalConnectionManager.h>
#include <matrix/vlVector.h>

#include <osg/Matrixd>

#include <openvr.h>

#include <string>

namespace vr
{
   class IVRSystem;
   struct TrackedDevicePose_t;
}


namespace makVrv
{
   class DtDe;
   class DtVirtualRealityDriver;

   class DT_DLL_VRVVR DtOpenVrWorldAnchor
   {
   private:
      DtOpenVrWorldAnchor();

      DtOpenVrWorldAnchor(const DtOpenVrWorldAnchor&);

      DtOpenVrWorldAnchor& operator=(const DtOpenVrWorldAnchor&);

   public:
      DtOpenVrWorldAnchor(DtDe& de);

      virtual ~DtOpenVrWorldAnchor();

      
      virtual bool initializeVR();

      virtual void onVrTick();
      virtual void onVrReset();

      virtual bool shutdown();

      virtual void readConfig();
      virtual void writeConfig();

   protected:

      DtDe& myDe;
      DtVirtualRealityDriver* myDriverHandle;
      DtSignalConnectionManager myConnections;

      //OpenVR Structs
      vr::IVRSystem* myVrSystem;
      vr::TrackedDevicePose_t* myTrackedPoses;

      bool myAnchoringEnabled;
      bool myIsCalibrating;
      bool myResetNextFrame;

      osg::Matrix myCalibrationSpaceMatrix;
      osg::Matrix myCurrentCalibrateSpacePose;

      osg::Vec3d myHmdPositionTweak;
      osg::Vec3d myHmdOrientationTweak;
   };
}