khanat-code-old/code/nel/include/nel/3d/stereo_libvr.h
2015-12-13 20:23:08 +01:00

160 lines
4.7 KiB
C++

/**
* \file stereo_libvr.h
* \brief CStereoLibVR
* \date 2013-08-19 19:17MT
* \author Thibaut Girka (ThibG)
* CStereoLibVR
*/
/*
* Copyright (C) 2013 by authors
*
* This file is part of NL3D.
* NL3D is free software: you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* NL3D is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
* Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with NL3D. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef NL3D_STEREO_LIBVR_H
#define NL3D_STEREO_LIBVR_H
#ifdef HAVE_LIBVR
#include <nel/misc/types_nl.h>
// STL includes
// NeL includes
#include <nel/misc/smart_ptr.h>
#include <nel/misc/geom_ext.h>
// Project includes
#include <nel/3d/stereo_hmd.h>
#include <nel/3d/frustum.h>
#include <nel/3d/viewport.h>
#include <nel/3d/u_material.h>
namespace NL3D {
class ITexture;
class CTextureUser;
class CStereoLibVRDevicePtr;
class CStereoLibVRDeviceHandle;
class CPixelProgram;
#define NL_STEREO_MAX_USER_CAMERAS 8
/**
* \brief CStereoOVR
* \date 2013-06-25 22:22GMT
* \author Jan Boon (Kaetemi)
* CStereoOVR
*/
class CStereoLibVR : public IStereoHMD
{
public:
CStereoLibVR(const CStereoLibVRDeviceHandle *handle);
virtual ~CStereoLibVR();
/// Sets driver and generates necessary render targets
virtual void setDriver(NL3D::UDriver *driver);
/// Gets the required screen resolution for this device
virtual bool getScreenResolution(uint &width, uint &height);
/// Set latest camera position etcetera
virtual void updateCamera(uint cid, const NL3D::UCamera *camera);
/// Get the frustum to use for clipping
virtual void getClippingFrustum(uint cid, NL3D::UCamera *camera) const;
/// Is there a next pass
virtual bool nextPass();
/// Gets the current viewport
virtual const NL3D::CViewport &getCurrentViewport() const;
/// Gets the current camera frustum
virtual const NL3D::CFrustum &getCurrentFrustum(uint cid) const;
/// Gets the current camera frustum
virtual void getCurrentFrustum(uint cid, NL3D::UCamera *camera) const;
/// Gets the current camera matrix
virtual void getCurrentMatrix(uint cid, NL3D::UCamera *camera) const;
/// At the start of a new render target
virtual bool wantClear();
/// The 3D scene
virtual bool wantScene();
/// Interface within the 3D scene
virtual bool wantInterface3D();
/// 2D Interface
virtual bool wantInterface2D();
/// Returns true if a new render target was set, always fase if not using render targets
virtual bool beginRenderTarget();
/// Returns true if a render target was fully drawn, always false if not using render targets
virtual bool endRenderTarget();
/// Get the HMD orientation
virtual NLMISC::CQuat getOrientation() const;
/// Get GUI center (1 = width, 1 = height, 0 = center)
virtual void getInterface2DShift(uint cid, float &x, float &y, float distance) const;
/// Set the head model, eye position relative to orientation point
virtual void setEyePosition(const NLMISC::CVector &v);
/// Get the head model, eye position relative to orientation point
virtual const NLMISC::CVector &getEyePosition() const;
/// Set the scale of the game in units per meter
virtual void setScale(float s);
static void listDevices(std::vector<CStereoDeviceInfo> &devicesOut);
static bool isLibraryInUse();
static void releaseLibrary();
/// Calculates internal camera information based on the reference camera
void initCamera(uint cid, const NL3D::UCamera *camera);
/// Checks if the device used by this class was actually created
bool isDeviceCreated();
private:
CStereoLibVRDevicePtr *m_DevicePtr;
int m_Stage;
int m_SubStage;
CViewport m_LeftViewport;
CViewport m_RightViewport;
CFrustum m_ClippingFrustum[NL_STEREO_MAX_USER_CAMERAS];
CFrustum m_LeftFrustum[NL_STEREO_MAX_USER_CAMERAS];
CFrustum m_RightFrustum[NL_STEREO_MAX_USER_CAMERAS];
CMatrix m_CameraMatrix[NL_STEREO_MAX_USER_CAMERAS];
mutable bool m_OrientationCached;
mutable NLMISC::CQuat m_OrientationCache;
UDriver *m_Driver;
NLMISC::CSmartPtr<NL3D::ITexture> m_BarrelTex;
NL3D::CTextureUser *m_BarrelTexU;
NL3D::UMaterial m_BarrelMat;
NLMISC::CQuadUV m_BarrelQuadLeft;
NLMISC::CQuadUV m_BarrelQuadRight;
CPixelProgram *m_PixelProgram;
NLMISC::CVector m_EyePosition;
float m_Scale;
}; /* class CStereoLibVR */
} /* namespace NL3D */
#endif /* HAVE_LIBVR */
#endif /* #ifndef NL3D_STEREO_LIBVR_H */
/* end of file */