Read sensor data and set camera in snowballs, ref #43

code/nel/include/nel/3d/stereo_ovr.h

@@ -80,11 +80,15 @@ public:
 	CStereoOVR(const CStereoDeviceInfo &deviceInfo);
 	virtual ~CStereoOVR();
 
+	virtual NLMISC::CQuat getOrientation();
+
 	static void listDevices(std::vector<CStereoDeviceInfo> &devicesOut);
 	static CStereoOVR *createDevice(const CStereoDeviceInfo &deviceInfo);
 	static bool isLibraryInUse();
 	static void releaseLibrary();
 
+	bool isDeviceCreated();
+
 private:
 	CStereoOVRDevicePtr *m_DevicePtr;
 

code/nel/src/3d/stereo_ovr.cpp

@@ -129,7 +129,7 @@ CStereoOVRSystem s_StereoOVRSystem;
 class CStereoOVRDeviceHandle : public NLMISC::CRefCount
 {
 public:
-	OVR::DeviceHandle DeviceHandle;
+	OVR::DeviceEnumerator<OVR::HMDDevice> DeviceHandle;
 };
 
 sint s_DeviceCounter = 0;
@@ -140,6 +140,8 @@ class CStereoOVRDevicePtr
 {
 public:
 	OVR::Ptr<OVR::HMDDevice> HMDDevice;
+	OVR::Ptr<OVR::SensorDevice> SensorDevice;
+	OVR::SensorFusion SensorFusion;
 };
 
 CStereoOVR::CStereoOVR(const CStereoDeviceInfo &deviceInfo)
@@ -147,20 +149,53 @@ CStereoOVR::CStereoOVR(const CStereoDeviceInfo &deviceInfo)
 	++s_DeviceCounter;
 	m_DevicePtr = new CStereoOVRDevicePtr();
 
-	// CStereoOVRDeviceHandle *handle = static_cast<CStereoOVRDeviceHandle *>(deviceInfo.Factory.getPtr());
-	// OVR::DeviceHandle dh = handle->DeviceHandle;
-	// dh.CreateDevice();
+	CStereoOVRDeviceHandle *handle = static_cast<CStereoOVRDeviceHandle *>(deviceInfo.Factory.getPtr());
+	OVR::DeviceEnumerator<OVR::HMDDevice> dh = handle->DeviceHandle;
+	m_DevicePtr->HMDDevice = dh.CreateDevice();
+
+	if (m_DevicePtr->HMDDevice)
+	{
+		m_DevicePtr->SensorDevice = m_DevicePtr->HMDDevice->GetSensor();
+		m_DevicePtr->SensorFusion.AttachToSensor(m_DevicePtr->SensorDevice);
+		m_DevicePtr->SensorFusion.SetGravityEnabled(true);
+		m_DevicePtr->SensorFusion.SetPredictionEnabled(true);
+		m_DevicePtr->SensorFusion.SetYawCorrectionEnabled(true);
+	}
 }
 
 CStereoOVR::~CStereoOVR()
 {
-	// ...
+	if (m_DevicePtr->SensorDevice)
+		m_DevicePtr->SensorDevice->Release();
+	m_DevicePtr->SensorDevice.Clear();
+	if (m_DevicePtr->HMDDevice)
+		m_DevicePtr->HMDDevice->Release();
+	m_DevicePtr->HMDDevice.Clear();
 
 	delete m_DevicePtr;
 	m_DevicePtr = NULL;
 	--s_DeviceCounter;
 }
 
+NLMISC::CQuat CStereoOVR::getOrientation()
+{
+	OVR::Quatf quatovr = m_DevicePtr->SensorFusion.GetPredictedOrientation();
+	NLMISC::CMatrix coordsys;
+	float csys[] = {
+		1.0f, 0.0f, 0.0f, 0.0f, 
+		0.0f, 0.0f, -1.0f, 0.0f, 
+		0.0f, 1.0f, 0.0f, 0.0f, 
+		0.0f, 0.0f, 0.0f, 1.0f, 
+	};
+	coordsys.set(csys);
+	NLMISC::CMatrix matovr;
+	matovr.setRot(NLMISC::CQuat(quatovr.x, quatovr.y, quatovr.z, quatovr.w));
+	NLMISC::CMatrix matr;
+	matr.rotateX(NLMISC::Pi * 0.5f); // fix this properly... :) (note: removing this allows you to use rift while lying down)
+	NLMISC::CMatrix matnel = matr * matovr * coordsys;
+	return matnel.getRot();
+}
+
 void CStereoOVR::listDevices(std::vector<CStereoDeviceInfo> &devicesOut)
 {
 	s_StereoOVRSystem.Init();
@@ -190,7 +225,7 @@ void CStereoOVR::listDevices(std::vector<CStereoDeviceInfo> &devicesOut)
 
 CStereoOVR *CStereoOVR::createDevice(const CStereoDeviceInfo &deviceInfo)
 {
-	return NULL;
+	return new CStereoOVR(deviceInfo);
 }
 
 bool CStereoOVR::isLibraryInUse()
@@ -205,6 +240,11 @@ void CStereoOVR::releaseLibrary()
 	s_StereoOVRSystem.Release();
 }
 
+bool CStereoOVR::isDeviceCreated()
+{
+	return m_DevicePtr->HMDDevice != NULL;
+}
+
 } /* namespace NL3D */
 
 /* end of file */

code/snowballs2/client/src/camera.cpp

@@ -108,13 +108,19 @@ void	initCamera()
 					break;
 			}
 		}
-		//s_StereoHMD->createDevice(
+		if (deviceInfo)
+		{
+			nlinfo("Create HMD device!");
+			s_StereoHMD = CStereoOVR::createDevice(*deviceInfo);
+		}
 	}
 
 	// Set up directly the camera
 	Camera = Scene->getCam();
 	Camera.setTransformMode (UTransformable::DirectMatrix);
-	Camera.setPerspective ((float)Pi/2.f, 1.33f, 0.1f, 1000);
+	Camera.setPerspective((float)Pi/2.f, 
+		ConfigFile->getVar("ScreenWidth").asFloat() / ConfigFile->getVar("ScreenHeight").asFloat(), 
+		0.1f, 1000.f);
 	Camera.lookAt (CVector(ConfigFile->getVar("StartPoint").asFloat(0),
 							ConfigFile->getVar("StartPoint").asFloat(1),
 							ConfigFile->getVar("StartPoint").asFloat(2)),
@@ -153,11 +159,21 @@ void releaseCamera()
 	Scene->deleteInstance(Snow);
 	VisualCollisionManager->deleteEntity(CamCollisionEntity);
 
+	delete s_StereoHMD;
+	s_StereoHMD = NULL;
 	CStereoOVR::releaseLibrary();
 }
 
 void updateCamera()
 {
+	if (s_StereoHMD)
+	{
+		NLMISC::CQuat hmdOrient = s_StereoHMD->getOrientation();
+		NLMISC::CMatrix camMatrix = Camera.getMatrix();
+		NLMISC::CMatrix hmdMatrix;
+		hmdMatrix.setRot(hmdOrient);
+		Camera.setMatrix(camMatrix * hmdMatrix);
+	}
 	// Set the new position of the snow emitter
 	CMatrix	mat = CMatrix::Identity;
 	mat.setPos (Camera.getMatrix().getPos()/*+CVector (0.0f, 0.0f, -10.0f)*/);

code/snowballs2/client/src/snowballs_config.h

@@ -49,7 +49,7 @@
 #define SBCLIENT_DEV_SOUND 0
 #define SBCLIENT_DEV_STEREO 0
 #define SBCLIENT_DEV_MEMLEAK 0
-#define SBCLIENT_DEV_PIXEL_PROGRAM 1
+#define SBCLIENT_DEV_PIXEL_PROGRAM 0