DtOpenVRTrackedCamera.h

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/******************************************************************************
** Copyright (c) 2019 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
#pragma once



#include "vrvVirtualReality/vrvVirtualReality.h"
#include "vrvVirtualReality/DtTrackedCamera.h"

#include <osg/Matrix>

#include <openvr.h>

namespace vr
{
   class IVRSystem;
}

namespace makVrv
{
   class DtVirtualRealityDriver;
   
   class DT_DLL_VRVVR DtOpenVRTrackedCamera : public DtTrackedCamera
   {
   private: 
      DtOpenVRTrackedCamera();

      DtOpenVRTrackedCamera(const DtOpenVRTrackedCamera&);

      DtOpenVRTrackedCamera& operator=(const DtOpenVRTrackedCamera&);

   public:
      static bool hasTrackedCamera();


   public:
      DtOpenVRTrackedCamera(DtDe& de, vr::IVRSystem* system);

      virtual ~DtOpenVRTrackedCamera();

      virtual bool startStream();

      virtual void stopStream();

      virtual void tick();

      virtual void resetCameraProjection();

   protected:
      virtual osg::Matrixd createProjectionMatrix(float zn, float zf, const float* fovx = NULL, const float* fovy = NULL);

      typedef unsigned long long UInt64;
      
      UInt64 myHandle;
      vr::EVRTrackedCameraFrameType  myFrameType;
      vr::IVRSystem* myVrSystem;
   };
}