Added getCameraByName method to viewer and home(double currentTime) to

MatrixManipulator, UFO, Trackball and ANimation manipulator.

include/osg/Viewport

@@ -23,8 +23,6 @@ namespace osg {
 class SG_EXPORT Viewport : public StateAttribute
 {
     public :
-    
-    
         Viewport();
         
         Viewport(int x,int y,int width,int height):

include/osgGA/AnimationPathManipulator

@@ -68,6 +68,7 @@ class OSGGA_EXPORT AnimationPathManipulator : public MatrixManipulator
         void init(const GUIEventAdapter& ea,GUIActionAdapter& us);
 
         void home(const GUIEventAdapter& ea,GUIActionAdapter& us);
+        void home(double currentTime);
 
         virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);
 

include/osgGA/MatrixManipulator

@@ -158,6 +158,14 @@ public:
         */
         virtual void home(const GUIEventAdapter& ,GUIActionAdapter&) {}
 
+        /**
+        Move the camera to the default position. 
+        This version does not require GUIEventAdapter and GUIActionAdapter so may be
+        called from somewhere other than a handle() method in GUIEventHandler.  Application
+        must be aware of implications.
+        */
+        virtual void home(double /*currentTime*/) {}
+
         /**
         Start/restart the manipulator.
         FIXME: what does this actually mean? Provide examples.

include/osgGA/TrackballManipulator

@@ -67,6 +67,7 @@ class OSGGA_EXPORT TrackballManipulator : public MatrixManipulator
         /** Move the camera to the default position. 
             May be ignored by manipulators if home functionality is not appropriate.*/
         virtual void home(const GUIEventAdapter& ea,GUIActionAdapter& us);
+        virtual void home(double);
         
         /** Start/restart the manipulator.*/
         virtual void init(const GUIEventAdapter& ea,GUIActionAdapter& us);

include/osgGA/UFOManipulator

@@ -100,7 +100,9 @@ class OSGGA_EXPORT UFOManipulator : public osgGA::MatrixManipulator
 
         /** Sets the viewpoint matrix to the home position */
         virtual void home(const osgGA::GUIEventAdapter&, osgGA::GUIActionAdapter&) ;
-        void home(void);
+        void home(double);
+
+        virtual void init(const GUIEventAdapter& ,GUIActionAdapter&);
 
         /** Handles incoming osgGA events */
 		bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter &aa);

src/osgGA/AnimationPathManipulator.cpp

@@ -44,17 +44,20 @@ AnimationPathManipulator::AnimationPathManipulator( const std::string& filename
     
 }
 
-void AnimationPathManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter&)
+void AnimationPathManipulator::home(double currentTime)
 {
     if (_animationPath.valid())
     {
-        _timeOffset = _animationPath->getFirstTime()-ea.time();
+        _timeOffset = _animationPath->getFirstTime()-currentTime; 
 
     }
-
     // reset the timing of the animation.
     _numOfFramesSinceStartOfTimedPeriod=-1;
+}
 
+void AnimationPathManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter&)
+{
+    home(ea.time());
 }
 
 void AnimationPathManipulator::init(const GUIEventAdapter& ea,GUIActionAdapter& aa)

src/osgGA/TrackballManipulator.cpp

@@ -46,11 +46,15 @@ osg::Node* TrackballManipulator::getNode()
 }
 
 
-void TrackballManipulator::home(const GUIEventAdapter& ,GUIActionAdapter& us)
+void TrackballManipulator::home(double currentTime)
 {
     if (getAutoComputeHomePosition()) computeHomePosition();
-
     computePosition(_homeEye, _homeCenter, _homeUp);
+}
+
+void TrackballManipulator::home(const GUIEventAdapter& ea ,GUIActionAdapter& us)
+{
+    home(ea.time());
     us.requestRedraw();
 }
 

src/osgGA/UFOManipulator.cpp

@@ -47,7 +47,7 @@ void UFOManipulator::setNode( osg::Node *node )
     if (getAutoComputeHomePosition()) 
         computeHomePosition();
 
-    home();
+    home(0.0);
 }
 
 const osg::Node* UFOManipulator::getNode() const
@@ -106,7 +106,6 @@ void UFOManipulator::computeHomePosition()
 
     if( (B-A).length() == 0.0)
     {
-        puts( "DOH" ); fflush(stdout);
         return;
     }
 
@@ -135,7 +134,7 @@ void UFOManipulator::computeHomePosition()
     }
     else
     {
-        osg::notify(osg::INFO)<<"UFOManipulator : I can't find the ground!"<<std::endl;
+        osg::notify(osg::WARN)<<"UFOManipulator : I can't find the ground!"<<std::endl;
         ground = 0.0;
     }
 
@@ -144,12 +143,17 @@ void UFOManipulator::computeHomePosition()
     setHomePosition( p, p + osg::Vec3(0,1,0), osg::Vec3(0,0,1) );
 }
 
-void UFOManipulator::home(const osgGA::GUIEventAdapter&, osgGA::GUIActionAdapter&) 
+void UFOManipulator::init(const GUIEventAdapter& ea, GUIActionAdapter&)
 {
-    home();
+    home(ea.time());
 }
 
-void UFOManipulator::home() 
+void UFOManipulator::home(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter&) 
+{
+    home(ea.time());
+}
+
+void UFOManipulator::home(double) 
 {
     if (getAutoComputeHomePosition()) 
         computeHomePosition();
@@ -376,7 +380,7 @@ void UFOManipulator::_keyDown( const osgGA::GUIEventAdapter &ea, osgGA::GUIActio
             break;
 
         case 'H':
-            home();
+            home(ea.time());
             break;
     }
 }