From 5665253af73642bad50553f39ac222316b796cdb Mon Sep 17 00:00:00 2001
From: kaetemi <kaetemi@localhost>
Date: Wed, 26 Jun 2013 21:36:21 +0200
Subject: [PATCH] Return view as CQuat, see #43

---
 code/ryzom/client/src/global.cpp    |  2 ++
 code/ryzom/client/src/global.h      |  3 +++
 code/ryzom/client/src/main_loop.cpp | 12 ++++++++----
 code/ryzom/client/src/view.cpp      |  9 ++++++++-
 code/ryzom/client/src/view.h        |  2 ++
 5 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/code/ryzom/client/src/global.cpp b/code/ryzom/client/src/global.cpp
index 8bd6f10fa..bb60f5c04 100644
--- a/code/ryzom/client/src/global.cpp
+++ b/code/ryzom/client/src/global.cpp
@@ -26,6 +26,8 @@ using namespace NLMISC;
 // ***************************************************************************
 // Main System
 NL3D::UDriver				*Driver = 0;		// The main 3D Driver
+NL3D::CStereoOVR			*StereoDisplay = NULL; // Stereo display
+NL3D::CStereoOVR			*StereoHMD = NULL;	// Head mount display
 CSoundManager				*SoundMngr = 0;		// the sound manager
 NL3D::UMaterial				GenericMat;	// Generic Material
 NL3D::UTextContext			*TextContext = 0;	// Context for all the text in the client.
diff --git a/code/ryzom/client/src/global.h b/code/ryzom/client/src/global.h
index a6b7a03c6..6ec3db7ec 100644
--- a/code/ryzom/client/src/global.h
+++ b/code/ryzom/client/src/global.h
@@ -40,6 +40,7 @@ namespace NL3D
 	class UMaterial;
 	class UTextContext;
 	class UWaterEnvMap;
+	class CStereoOVR;
 }
 
 class CEntityAnimationManager;
@@ -77,6 +78,8 @@ const float		ExtraZoneLoadingVision	= 100.f;
 // ***************************************************************************
 // Main System
 extern NL3D::UDriver				*Driver;		// The main 3D Driver
+extern NL3D::CStereoOVR				*StereoDisplay; // Stereo display
+extern NL3D::CStereoOVR				*StereoHMD;
 extern CSoundManager				*SoundMngr;		// the sound manager
 extern NL3D::UMaterial				GenericMat;	// Generic Material
 extern NL3D::UTextContext			*TextContext;	// Context for all the text in the client.
diff --git a/code/ryzom/client/src/main_loop.cpp b/code/ryzom/client/src/main_loop.cpp
index 2c362aceb..c034eaa83 100644
--- a/code/ryzom/client/src/main_loop.cpp
+++ b/code/ryzom/client/src/main_loop.cpp
@@ -42,6 +42,7 @@
 #include "nel/3d/u_material.h"
 #include "nel/3d/u_instance_material.h"
 #include "nel/3d/u_cloud_scape.h"
+#include "nel/3d/stereo_ovr.h"
 // game share
 #include "game_share/brick_types.h"
 #include "game_share/light_cycle.h"
@@ -136,6 +137,7 @@
 #include "nel/3d/driver_user.h"
 
 
+
 #ifdef USE_WATER_ENV_MAP
 	#include "water_env_map_rdr.h"
 #endif
@@ -452,6 +454,8 @@ void validateDialogs(const CGameContextMenu &gcm);
 
 void buildCameraClippingPyramid (vector<CPlane> &planes)
 {
+	if (StereoDisplay) StereoDisplay->getClippingFrustum(0, &MainCam);
+
 	// Compute pyramid in view basis.
 	CVector		pfoc(0,0,0);
 	const CFrustum &frustum  = MainCam.getFrustum();
@@ -1006,7 +1010,7 @@ static void renderCanopyPart(UScene::TRenderPart renderPart)
 	{
 		// Update Camera Position/Rotation.
 		camRoot.setPos(View.currentViewPos());
-		camRoot.setRotQuat(View.currentView());
+		camRoot.setRotQuat(View.currentViewQuat());
 	}
 	// Render the root scene
 	SceneRoot->renderPart(renderPart);
@@ -1859,9 +1863,9 @@ bool mainLoop()
 
 		// Update Camera Position/Orientation.
 		CVector currViewPos = View.currentViewPos();
-		MainCam.setPos(currViewPos);;
-		MainCam.setRotQuat(View.currentView());
-
+		MainCam.setPos(currViewPos);
+		MainCam.setRotQuat(View.currentViewQuat());
+		if (StereoDisplay) StereoDisplay->updateCamera(0, &MainCam);
 
 		// see if camera is below water (useful for sort order)
 		if (ContinentMngr.cur())
diff --git a/code/ryzom/client/src/view.cpp b/code/ryzom/client/src/view.cpp
index ded81013d..4bc52af08 100644
--- a/code/ryzom/client/src/view.cpp
+++ b/code/ryzom/client/src/view.cpp
@@ -183,7 +183,6 @@ CVector CView::currentViewPos() const
 
 //-----------------------------------------------
 // currentView :
-// Set the user position.
 //-----------------------------------------------
 CVector CView::currentView() const
 {
@@ -200,6 +199,14 @@ CVector CView::currentView() const
 		return _View;
 }// currentView //
 
+NLMISC::CQuat CView::currentViewQuat() const
+{
+	CMatrix mat;
+	mat.setRot(CVector::I, currentView(), CVector::K);
+	mat.normalize(CMatrix::YZX);
+	return mat.getRot();
+}
+
 //-----------------------------------------------
 // currentCameraTarget :
 //-----------------------------------------------
diff --git a/code/ryzom/client/src/view.h b/code/ryzom/client/src/view.h
index 69fcea994..e1c57d4ca 100644
--- a/code/ryzom/client/src/view.h
+++ b/code/ryzom/client/src/view.h
@@ -115,6 +115,8 @@ public:
 	CVector currentViewPos() const;
 	// Return the current view (rear or normal)
 	CVector currentView() const;
+	// Return the current view as a quaternion
+	NLMISC::CQuat currentViewQuat() const;
 
 	// Return the current Camera Target (for 3rd person only. 1st person: return currentViewPos())
 	CVector currentCameraTarget() const;