Added: Option to set radar to follow camera

--HG--
branch : develop

code/ryzom/client/data/gamedev/interfaces_v3/game_config.xml

@@ -1415,6 +1415,14 @@
                   posparent="show_clock_12h"
                   x="0"
                   y="-12" />
+        <instance template="tgcw_checkbox"
+                  id="radar_use_camera"
+                  text="uiRadarUseCamera"
+                  tooltip="uittRadarUseCamera"
+                  posref="BL TL"
+                  posparent="show_reticle"
+                  x="0"
+                  y="-12" />
       </group>
       <ctrl style="skin_scroll"
             id="sb_hud"
@@ -3273,6 +3281,11 @@
                widget="boolbut"
                link="UI:SAVE:SHOW_RETICLE"
                realtime="true" />
+        <param ui="hud:radar_use_camera:c"
+               type="db"
+               widget="boolbut"
+               link="UI:SAVE:RADAR:USE_CAMERA"
+               realtime="true" />
         <param ui="alpha_colors:col_day:c"
                type="db"
                widget="colbut"

code/ryzom/client/src/interface_v3/group_compas.cpp

@@ -39,6 +39,7 @@
 #include "game_share/inventories.h"
 #include "game_share/animal_type.h"
 
+extern NL3D::UCamera MainCam;
 extern CEntityManager EntitiesMngr;
 extern CContinentManager ContinentMngr;
 CCompassDialogsManager * CCompassDialogsManager::_Instance = NULL;
@@ -129,11 +130,24 @@ CGroupCompas::CGroupCompas(const TCtorParam &param)
 	_LastDynamicTargetPos = 0xFFFFFFFF;
 	_SavedTargetValid = false;
 	_TargetSetOnce = false;
+
+	CCDBNodeLeaf *pRC = CDBManager::getInstance()->getDbProp("UI:SAVE:RADAR:USE_CAMERA");
+	if (pRC)
+	{
+		ICDBNode::CTextId textId;
+		pRC->addObserver( &_UseCameraObs, textId);
+	}
 }
 
 // ***************************************************************************
 CGroupCompas::~CGroupCompas()
 {
+	CCDBNodeLeaf *pRC = CDBManager::getInstance()->getDbProp("UI:SAVE:RADAR:USE_CAMERA");
+	if (pRC)
+	{
+		ICDBNode::CTextId textId;
+		pRC->removeObserver( &_UseCameraObs, textId);
+	}
 }
 
 
@@ -225,12 +239,37 @@ void CGroupCompas::draw()
 {
 	if ((uint) _Target.getType() >= CCompassTarget::NumTypes) return;
 	CInterfaceManager *im = CInterfaceManager::getInstance();
+
+	if (_RadarView && _UseCameraObs._changed)
+	{
+		_UseCameraObs._changed = false;
+		_RadarView->setUseCamera(_UseCameraObs._useCamera);
+	}
+
 	//
 	const NLMISC::CVectorD &userPosD = UserEntity->pos();
 	NLMISC::CVector userPos((float) userPosD.x, (float) userPosD.y, (float) userPosD.z);
 	NLMISC::CVector2f targetPos(0.f, 0.f);
 	// if a position tracker is provided, use it
 	CCompassTarget displayedTarget = _Target;
+	float myAngle;
+
+	if (_UseCameraObs._useCamera)
+	{
+		CVector projectedFront = MainCam.getMatrix().getJ();
+		if (projectedFront.norm() <= 0.01f)
+		{
+			projectedFront = MainCam.getMatrix().getK();
+			projectedFront.z = 0.f;
+		}
+		CVector cam = projectedFront.normed();
+		myAngle = (float)atan2(cam.y, cam.x);
+	}
+	else
+	{
+		const CVector &front = UserEntity->front();
+		myAngle = (float)atan2 (front.y, front.x);
+	}
 
 	switch(_Target.getType())
 	{
@@ -332,8 +371,6 @@ void CGroupCompas::draw()
 			_ArrowShape->getShape().getMaterial(0).setDiffuse(color);
 
 		// Set angle
-		const CVector &front = UserEntity->front();
-		float myAngle = (float)atan2 (front.y, front.x);
 		float deltaX = targetPos.x - userPos.x;
 		float deltaY = targetPos.y - userPos.y;
 		float targetAngle = (float)atan2 (deltaY, deltaX);
@@ -496,6 +533,13 @@ bool CGroupCompas::parse (xmlNodePtr cur, CInterfaceGroup *parentGroup)
 	return true;
 }
 
+// ***************************************************************************
+void CGroupCompas::CDBUseCameraObs::update( NLMISC::ICDBNode *node)
+{
+	_changed = true;
+	_useCamera = ((CCDBNodeLeaf*)node)->getValueBool();
+}
+
 // ***************************************************************************
 bool	buildCompassTargetFromTeamMember(CCompassTarget &ct, uint teamMemberId)
 {

code/ryzom/client/src/interface_v3/group_compas.h

@@ -132,6 +132,17 @@ private:
 	uint32		_RadarPos;
 
 	NLMISC::CVector2f getNorthPos(const NLMISC::CVector2f &userPos) const;
+
+	class CDBUseCameraObs : public NLMISC::ICDBNode::IPropertyObserver
+	{
+	public:
+		CDBUseCameraObs():_useCamera(false),_changed(false)
+		{ }
+		virtual void update( NLMISC::ICDBNode *node);
+		bool _useCamera;
+		bool _changed;
+	};
+	CDBUseCameraObs _UseCameraObs;
 };
 
 /**

code/ryzom/client/src/interface_v3/view_radar.cpp

@@ -35,6 +35,8 @@ using namespace std;
 using namespace NLMISC;
 using namespace NL3D;
 
+extern NL3D::UCamera					MainCam;
+
 NLMISC_REGISTER_OBJECT(CViewBase, CViewRadar, std::string, "radar");
 
 // ----------------------------------------------------------------------------
@@ -127,10 +129,25 @@ void CViewRadar::draw ()
 	CEntityCL *user = EntitiesMngr.entity(0);
 	if (user == NULL) return;
 
+	float angle;
 	CVectorD xyzRef = user->pos();
+	if (_UseCamera)
+	{
+		CVector projectedFront = MainCam.getMatrix().getJ();
+		if (projectedFront.norm() <= 0.01f)
+		{
+			projectedFront = MainCam.getMatrix().getK();
+			projectedFront.z = 0.f;
+		}
+		CVector cam = projectedFront.normed();
+		angle = (float)(atan2(cam.y, cam.x) - (Pi / 2.0));
+	}
+	else
+	{
 		const CVector dir = user->front();
+		angle = (float)(atan2(dir.y, dir.x) - (Pi / 2.0));
+	}
 
-	float angle = (float)(atan2(dir.y, dir.x) - (Pi / 2.0));
 	CMatrix mat;
 	mat.identity();
 	// Scale to transform from world to interface screen

code/ryzom/client/src/interface_v3/view_radar.h

@@ -62,9 +62,12 @@ public:
 	void setWorldSize(float f) { _WorldSize = f; }
 	float getWorldSize() const { return (float)_WorldSize; }
 
+	void setUseCamera(bool b) { _UseCamera = b; }
+
 protected:
 
 	double _WorldSize;
+	bool   _UseCamera;
 
 	struct CRadarSpotDesc
 	{