X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Frenderer.cxx;h=32d7953380b417271fbedd5aead6ba626d1ae3df;hb=b7eb3bd0e128d39101dfa5846de991681aa5456f;hp=68560481055d3bf94ee600448320abb4959994c8;hpb=d5ba35dddb0e77f03ef5874d59d374191a39a13b;p=flightgear.git

diff --git a/src/Main/renderer.cxx b/src/Main/renderer.cxx
index 685604810..32d795338 100644
--- a/src/Main/renderer.cxx
+++ b/src/Main/renderer.cxx
@@ -18,20 +18,17 @@
 // You should have received a copy of the GNU General Public License
 // along with this program; if not, write to the Free Software
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-//
-// $Id$
-
 
 #ifdef HAVE_CONFIG_H
 #  include <config.h>
 #endif
 
-#include <simgear/compiler.h>
-
 #ifdef HAVE_WINDOWS_H
 #  include <windows.h>
 #endif
 
+#include <simgear/compiler.h>
+
 #include <osg/ref_ptr>
 #include <osg/AlphaFunc>
 #include <osg/BlendFunc>
@@ -40,38 +37,37 @@
 #include <osg/Depth>
 #include <osg/Fog>
 #include <osg/Group>
+#include <osg/Hint>
 #include <osg/Light>
 #include <osg/LightModel>
 #include <osg/LightSource>
+#include <osg/Material>
+#include <osg/Math>
 #include <osg/NodeCallback>
 #include <osg/Notify>
 #include <osg/PolygonMode>
 #include <osg/PolygonOffset>
-#include <osg/ShadeModel>
+#include <osg/Program>
 #include <osg/Version>
 #include <osg/TexEnv>
 
-#include <osgUtil/SceneView>
-#include <osgUtil/UpdateVisitor>
-#include <osgUtil/IntersectVisitor>
 #include <osgUtil/LineSegmentIntersector>
 
 #include <osg/io_utils>
 #include <osgDB/WriteFile>
-#include <osgDB/ReadFile>
-#include <sstream>
 
 #include <simgear/math/SGMath.hxx>
 #include <simgear/screen/extensions.hxx>
 #include <simgear/scene/material/matlib.hxx>
 #include <simgear/scene/model/animation.hxx>
-#include <simgear/scene/model/model.hxx>
-#include <simgear/scene/model/modellib.hxx>
 #include <simgear/scene/model/placement.hxx>
+#include <simgear/scene/sky/sky.hxx>
 #include <simgear/scene/util/SGUpdateVisitor.hxx>
 #include <simgear/scene/util/RenderConstants.hxx>
+#include <simgear/scene/util/SGSceneUserData.hxx>
 #include <simgear/scene/tgdb/GroundLightManager.hxx>
 #include <simgear/scene/tgdb/pt_lights.hxx>
+#include <simgear/structure/OSGUtils.hxx>
 #include <simgear/props/props.hxx>
 #include <simgear/timing/sg_time.hxx>
 #include <simgear/ephemeris/ephemeris.hxx>
@@ -82,7 +78,6 @@
 
 #include <simgear/environment/visual_enviro.hxx>
 
-#include <Scenery/tileentry.hxx>
 #include <Time/light.hxx>
 #include <Time/light.hxx>
 #include <Aircraft/aircraft.hxx>
@@ -98,16 +93,45 @@
 #include <GUI/new_gui.hxx>
 #include <Instrumentation/instrument_mgr.hxx>
 #include <Instrumentation/HUD/HUD.hxx>
+#include <Environment/precipitation_mgr.hxx>
 
 #include <Include/general.hxx>
 #include "splash.hxx"
 #include "renderer.hxx"
 #include "main.hxx"
+#include "CameraGroup.hxx"
+#include "FGEventHandler.hxx"
+#include <Main/viewer.hxx>
+
+using namespace osg;
+using namespace simgear;
+using namespace flightgear;
+
+class FGHintUpdateCallback : public osg::StateAttribute::Callback {
+public:
+  FGHintUpdateCallback(const char* configNode) :
+    mConfigNode(fgGetNode(configNode, true))
+  { }
+  virtual void operator()(osg::StateAttribute* stateAttribute,
+                          osg::NodeVisitor*)
+  {
+    assert(dynamic_cast<osg::Hint*>(stateAttribute));
+    osg::Hint* hint = static_cast<osg::Hint*>(stateAttribute);
+
+    const char* value = mConfigNode->getStringValue();
+    if (!value)
+      hint->setMode(GL_DONT_CARE);
+    else if (0 == strcmp(value, "nicest"))
+      hint->setMode(GL_NICEST);
+    else if (0 == strcmp(value, "fastest"))
+      hint->setMode(GL_FASTEST);
+    else
+      hint->setMode(GL_DONT_CARE);
+  }
+private:
+  SGSharedPtr<SGPropertyNode> mConfigNode;
+};
 
-// XXX Make this go away when OSG 2.2 is released.
-#if (FG_OSG_VERSION >= 21004)
-#define UPDATE_VISITOR_IN_VIEWER 1
-#endif
 
 class SGPuDrawable : public osg::Drawable {
 public:
@@ -115,6 +139,7 @@ public:
   {
     // Dynamic stuff, do not store geometry
     setUseDisplayList(false);
+    setDataVariance(Object::DYNAMIC);
 
     osg::StateSet* stateSet = getOrCreateStateSet();
     stateSet->setRenderBinDetails(1001, "RenderBin");
@@ -134,13 +159,9 @@ public:
   { drawImplementation(*renderInfo.getState()); }
   void drawImplementation(osg::State& state) const
   {
-    if (!fgOSIsMainContext(state.getGraphicsContext()))
-      return;
-
-    state.pushStateSet(getStateSet());
-    state.apply();
     state.setActiveTextureUnit(0);
     state.setClientActiveTextureUnit(0);
+
     state.disableAllVertexArrays();
 
     glPushAttrib(GL_ALL_ATTRIB_BITS);
@@ -150,11 +171,6 @@ public:
 
     glPopClientAttrib();
     glPopAttrib();
-
-    state.popStateSet();
-    state.dirtyAllModes();
-    state.dirtyAllAttributes();
-    state.dirtyAllVertexArrays();
   }
 
   virtual osg::Object* cloneType() const { return new SGPuDrawable; }
@@ -169,6 +185,7 @@ public:
   {
     // Dynamic stuff, do not store geometry
     setUseDisplayList(false);
+    setDataVariance(Object::DYNAMIC);
 
     osg::StateSet* stateSet = getOrCreateStateSet();
     stateSet->setRenderBinDetails(1000, "RenderBin");
@@ -186,12 +203,6 @@ public:
   { drawImplementation(*renderInfo.getState()); }
   void drawImplementation(osg::State& state) const
   {
-//     std::cout << state.getGraphicsContext() << std::endl;
-    if (!fgOSIsMainContext(state.getGraphicsContext()))
-      return;
-
-    state.pushStateSet(getStateSet());
-    state.apply();
     state.setActiveTextureUnit(0);
     state.setClientActiveTextureUnit(0);
     state.disableAllVertexArrays();
@@ -215,10 +226,6 @@ public:
     glPopClientAttrib();
     glPopAttrib();
 
-    state.popStateSet();
-    state.dirtyAllModes();
-    state.dirtyAllAttributes();
-    state.dirtyAllVertexArrays();
   }
 
   virtual osg::Object* cloneType() const { return new SGHUDAndPanelDrawable; }
@@ -229,6 +236,18 @@ private:
 
 class FGLightSourceUpdateCallback : public osg::NodeCallback {
 public:
+  
+  /**
+   * @param isSun true if the light is the actual sun i.e., for
+   * illuminating the moon.
+   */
+  FGLightSourceUpdateCallback(bool isSun = false) : _isSun(isSun) {}
+  FGLightSourceUpdateCallback(const FGLightSourceUpdateCallback& nc,
+                              const CopyOp& op)
+    : NodeCallback(nc, op), _isSun(nc._isSun)
+  {}
+  META_Object(flightgear,FGLightSourceUpdateCallback);
+  
   virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
   {
     assert(dynamic_cast<osg::LightSource*>(node));
@@ -236,21 +255,22 @@ public:
     osg::Light* light = lightSource->getLight();
     
     FGLight *l = static_cast<FGLight*>(globals->get_subsystem("lighting"));
-    light->setAmbient(l->scene_ambient().osg());
-    light->setDiffuse(l->scene_diffuse().osg());
-    light->setSpecular(l->scene_specular().osg());
-    SGVec4f position(l->sun_vec()[0], l->sun_vec()[1], l->sun_vec()[2], 0);
-    light->setPosition(position.osg());
-    SGVec3f direction(l->sun_vec()[0], l->sun_vec()[1], l->sun_vec()[2]);
-    light->setDirection(direction.osg());
-    light->setSpotExponent(0);
-    light->setSpotCutoff(180);
-    light->setConstantAttenuation(1);
-    light->setLinearAttenuation(0);
-    light->setQuadraticAttenuation(0);
+    if (_isSun) {
+      light->setAmbient(Vec4(0.0f, 0.0f, 0.0f, 0.0f));
+      light->setDiffuse(Vec4(1.0f, 1.0f, 1.0f, 1.0f));
+      light->setSpecular(Vec4(0.0f, 0.0f, 0.0f, 0.0f));
+    } else {
+      light->setAmbient(toOsg(l->scene_ambient()));
+      light->setDiffuse(toOsg(l->scene_diffuse()));
+      light->setSpecular(toOsg(l->scene_specular()));
+    }
+    osg::Vec4f position(l->sun_vec()[0], l->sun_vec()[1], l->sun_vec()[2], 0);
+    light->setPosition(position);
 
     traverse(node, nv);
   }
+private:
+  const bool _isSun;
 };
 
 class FGWireFrameModeUpdateCallback : public osg::StateAttribute::Callback {
@@ -290,7 +310,7 @@ public:
 
 #if 0
     FGLight *l = static_cast<FGLight*>(globals->get_subsystem("lighting"));
-    lightModel->setAmbientIntensity(l->scene_ambient().osg());
+    lightModel->setAmbientIntensity(toOsg(l->scene_ambient());
 #else
     lightModel->setAmbientIntensity(osg::Vec4(0, 0, 0, 1));
 #endif
@@ -333,7 +353,7 @@ public:
     SGUpdateVisitor* updateVisitor = static_cast<SGUpdateVisitor*>(nv);
     osg::Fog* fog = static_cast<osg::Fog*>(sa);
     fog->setMode(osg::Fog::EXP2);
-    fog->setColor(updateVisitor->getFogColor().osg());
+    fog->setColor(toOsg(updateVisitor->getFogColor()));
     fog->setDensity(updateVisitor->getFogExp2Density());
   }
 };
@@ -365,14 +385,12 @@ static osg::ref_ptr<osg::Group> mRealRoot = new osg::Group;
 
 static osg::ref_ptr<osg::Group> mRoot = new osg::Group;
 
-static osg::ref_ptr<osg::Camera> mBackGroundCamera = new osg::Camera;
-
 FGRenderer::FGRenderer()
 {
 #ifdef FG_JPEG_SERVER
    jpgRenderFrame = FGRenderer::update;
 #endif
-   manipulator = new FGManipulator;
+   eventHandler = new FGEventHandler;
 }
 
 FGRenderer::~FGRenderer()
@@ -394,20 +412,12 @@ FGRenderer::splashinit( void ) {
     // Scene doesn't seem to pass the frame stamp to the update
     // visitor automatically.
     mUpdateVisitor->setFrameStamp(mFrameStamp.get());
-#ifdef UPDATE_VISITOR_IN_VIEWER
     viewer->setUpdateVisitor(mUpdateVisitor.get());
-#else
-    osgViewer::Scene* scene = viewer->getScene();
-    scene->setUpdateVisitor(mUpdateVisitor.get());
-#endif
 }
 
 void
-FGRenderer::init( void ) {
-    // The viewer can call this before the graphics context is current
-    // in the main thread; indeed, in a multithreaded setup it might
-    // never be current in the main thread.
-    fgMakeCurrent();
+FGRenderer::init( void )
+{
     osgViewer::Viewer* viewer = globals->get_renderer()->getViewer();
     osg::initNotifyLevel();
 
@@ -421,18 +431,6 @@ FGRenderer::init( void ) {
     if ( fgGetBool("/sim/startup/fullscreen") )
         fgOSFullScreen();
 
-    if ( (!strcmp(fgGetString("/sim/rendering/fog"), "disabled")) || 
-         (!fgGetBool("/sim/rendering/shading"))) {
-        // if fastest fog requested, or if flat shading force fastest
-        glHint ( GL_FOG_HINT, GL_FASTEST );
-    } else if ( !strcmp(fgGetString("/sim/rendering/fog"), "nicest") ) {
-        glHint ( GL_FOG_HINT, GL_DONT_CARE );
-    }
-
-    glHint(GL_POLYGON_SMOOTH_HINT, GL_DONT_CARE);
-    glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
-    glHint(GL_POINT_SMOOTH_HINT, GL_DONT_CARE);
-
     viewer->getCamera()
         ->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
     
@@ -459,48 +457,66 @@ FGRenderer::init( void ) {
     stateSet->setTextureAttribute(0, new osg::TexEnv);
     stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::OFF);
 
-
-//     stateSet->setAttribute(new osg::CullFace(osg::CullFace::BACK));
-//     stateSet->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
-
-    // this is the topmost scenegraph node for osg
-    mBackGroundCamera->addChild(thesky->getPreRoot());
-    mBackGroundCamera->setClearMask(0);
-
-    GLbitfield inheritanceMask = osg::CullSettings::ALL_VARIABLES;
-    inheritanceMask &= ~osg::CullSettings::COMPUTE_NEAR_FAR_MODE;
-    inheritanceMask &= ~osg::CullSettings::NEAR_FAR_RATIO;
-    inheritanceMask &= ~osg::CullSettings::CULLING_MODE;
-    mBackGroundCamera->setInheritanceMask(inheritanceMask);
-    mBackGroundCamera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
-    mBackGroundCamera->setCullingMode(osg::CullSettings::NO_CULLING);
-    mBackGroundCamera->setRenderOrder(osg::Camera::NESTED_RENDER);
-
-    stateSet = mBackGroundCamera->getOrCreateStateSet();
-    stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
+    osg::Hint* hint = new osg::Hint(GL_FOG_HINT, GL_DONT_CARE);
+    hint->setUpdateCallback(new FGHintUpdateCallback("/sim/rendering/fog"));
+    stateSet->setAttribute(hint);
+    hint = new osg::Hint(GL_POLYGON_SMOOTH_HINT, GL_DONT_CARE);
+    hint->setUpdateCallback(new FGHintUpdateCallback("/sim/rendering/polygon-smooth"));
+    stateSet->setAttribute(hint);
+    hint = new osg::Hint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
+    hint->setUpdateCallback(new FGHintUpdateCallback("/sim/rendering/line-smooth"));
+    stateSet->setAttribute(hint);
+    hint = new osg::Hint(GL_POINT_SMOOTH_HINT, GL_DONT_CARE);
+    hint->setUpdateCallback(new FGHintUpdateCallback("/sim/rendering/point-smooth"));
+    stateSet->setAttribute(hint);
+    hint = new osg::Hint(GL_PERSPECTIVE_CORRECTION_HINT, GL_DONT_CARE);
+    hint->setUpdateCallback(new FGHintUpdateCallback("/sim/rendering/perspective-correction"));
+    stateSet->setAttribute(hint);
 
     osg::Group* sceneGroup = new osg::Group;
     sceneGroup->addChild(globals->get_scenery()->get_scene_graph());
-    sceneGroup->addChild(thesky->getCloudRoot());
+    sceneGroup->setNodeMask(~simgear::BACKGROUND_BIT);
+
+    //sceneGroup->addChild(thesky->getCloudRoot());
 
     stateSet = sceneGroup->getOrCreateStateSet();
-    stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
     stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
 
     // need to update the light on every frame
-    osg::LightSource* lightSource = new osg::LightSource;
-    lightSource->setUpdateCallback(new FGLightSourceUpdateCallback);
+    // OSG LightSource objects are rather confusing. OSG only supports
+    // the 10 lights specified by OpenGL itself; if more than one
+    // LightSource in the scene graph have the same light number, it's
+    // indeterminate which values will be used to render geometry that
+    // has that light number enabled. Also, adding children to a
+    // LightSource is just a shortcut for setting up a state set that
+    // has the corresponding OpenGL light enabled: a LightSource will
+    // affect geometry anywhere in the scene graph that has its light
+    // number enabled in a state set. 
+    LightSource* lightSource = new LightSource;
+    lightSource->getLight()->setDataVariance(Object::DYNAMIC);
     // relative because of CameraView being just a clever transform node
     lightSource->setReferenceFrame(osg::LightSource::RELATIVE_RF);
     lightSource->setLocalStateSetModes(osg::StateAttribute::ON);
-    mRoot->addChild(lightSource);
-
-    lightSource->addChild(mBackGroundCamera.get());
-    lightSource->addChild(sceneGroup);
-
-
+    lightSource->setUpdateCallback(new FGLightSourceUpdateCallback);
+    mRealRoot->addChild(lightSource);
+    // we need a white diffuse light for the phase of the moon
+    osg::LightSource* sunLight = new osg::LightSource;
+    sunLight->getLight()->setDataVariance(Object::DYNAMIC);
+    sunLight->getLight()->setLightNum(1);
+    sunLight->setUpdateCallback(new FGLightSourceUpdateCallback(true));
+    sunLight->setReferenceFrame(osg::LightSource::RELATIVE_RF);
+    sunLight->setLocalStateSetModes(osg::StateAttribute::ON);
+    // Hang a StateSet above the sky subgraph in order to turn off
+    // light 0
+    Group* skyGroup = new Group;
+    StateSet* skySS = skyGroup->getOrCreateStateSet();
+    skySS->setMode(GL_LIGHT0, StateAttribute::OFF);
+    skyGroup->addChild(thesky->getPreRoot());
+    sunLight->addChild(skyGroup);
+    mRoot->addChild(sceneGroup);
+    mRoot->addChild(sunLight);
+    // Clouds are added to the scene graph later
     stateSet = globals->get_scenery()->get_scene_graph()->getOrCreateStateSet();
-    stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
     stateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::ON);
     stateSet->setMode(GL_LIGHTING, osg::StateAttribute::ON);
     stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
@@ -523,27 +539,26 @@ FGRenderer::init( void ) {
     stateSet->setUpdateCallback(new FGFogEnableUpdateCallback);
 
     // plug in the GUI
-    osg::Camera* guiCamera = new osg::Camera;
-    guiCamera->setRenderOrder(osg::Camera::POST_RENDER, 100);
-    guiCamera->setClearMask(0);
-    inheritanceMask = osg::CullSettings::ALL_VARIABLES;
-    inheritanceMask &= ~osg::CullSettings::COMPUTE_NEAR_FAR_MODE;
-    inheritanceMask &= ~osg::CullSettings::CULLING_MODE;
-    guiCamera->setInheritanceMask(inheritanceMask);
-    guiCamera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
-    guiCamera->setCullingMode(osg::CullSettings::NO_CULLING);
-    osg::Geode* geode = new osg::Geode;
-    geode->addDrawable(new SGPuDrawable);
-    geode->addDrawable(new SGHUDAndPanelDrawable);
-    guiCamera->addChild(geode);
-
+    osg::Camera* guiCamera = getGUICamera(CameraGroup::getDefault());
+    if (guiCamera) {
+        osg::Geode* geode = new osg::Geode;
+        geode->addDrawable(new SGPuDrawable);
+        geode->addDrawable(new SGHUDAndPanelDrawable);
+        guiCamera->addChild(geode);
+    }
     osg::Switch* sw = new osg::Switch;
     sw->setUpdateCallback(new FGScenerySwitchCallback);
     sw->addChild(mRoot.get());
-
     mRealRoot->addChild(sw);
+    // The clouds are attached directly to the scene graph root
+    // because, in theory, they don't want the same default state set
+    // as the rest of the scene. This may not be true in practice.
+    mRealRoot->addChild(thesky->getCloudRoot());
     mRealRoot->addChild(FGCreateRedoutNode());
-    mRealRoot->addChild(guiCamera);
+    // Attach empty program to the scene root so that shader programs
+    // don't leak into state sets (effects) that shouldn't have one.
+    stateSet = mRealRoot->getOrCreateStateSet();
+    stateSet->setAttributeAndModes(new osg::Program, osg::StateAttribute::ON);
 }
 
 
@@ -575,9 +590,6 @@ FGRenderer::update( bool refresh_camera_settings ) {
     SGConfigureDirectionalLights( use_point_sprites, enhanced_lighting,
                                   distance_attenuation );
 
-    static const SGPropertyNode *groundlevel_nearplane
-        = fgGetNode("/sim/current-view/ground-level-nearplane-m");
-
     FGLight *l = static_cast<FGLight*>(globals->get_subsystem("lighting"));
 
     // update fog params
@@ -600,14 +612,6 @@ FGRenderer::update( bool refresh_camera_settings ) {
         // update view port
         resize( fgGetInt("/sim/startup/xsize"),
                 fgGetInt("/sim/startup/ysize") );
-
-        SGVec3d position = current__view->getViewPosition();
-        SGQuatd attitude = current__view->getViewOrientation();
-        SGVec3d osgPosition = attitude.transform(-position);
-
-        FGManipulator *manipulator = globals->get_renderer()->getManipulator();
-        manipulator->setPosition(position.osg());
-        manipulator->setAttitude(attitude.osg());
     }
     osg::Camera *camera = viewer->getCamera();
 
@@ -615,11 +619,11 @@ FGRenderer::update( bool refresh_camera_settings ) {
 	
         if ( fgGetBool("/sim/rendering/textures") ) {
             SGVec4f clearColor(l->adj_fog_color());
-            camera->setClearColor(clearColor.osg());
+            camera->setClearColor(toOsg(clearColor));
         }
     } else {
         SGVec4f clearColor(l->sky_color());
-        camera->setClearColor(clearColor.osg());
+        camera->setClearColor(toOsg(clearColor));
     }
 
     // update fog params if visibility has changed
@@ -641,64 +645,38 @@ FGRenderer::update( bool refresh_camera_settings ) {
 
         double sun_horiz_eff, moon_horiz_eff;
         if (fgGetBool("/sim/rendering/horizon-effect")) {
-           sun_horiz_eff = 0.67+pow(0.5+cos(l->get_sun_angle())*2/2, 0.33)/3;
-           moon_horiz_eff = 0.67+pow(0.5+cos(l->get_moon_angle())*2/2, 0.33)/3;
+            sun_horiz_eff
+                = 0.67 + pow(osg::clampAbove(0.5 + cos(l->get_sun_angle()),
+                                             0.0),
+                             0.33) / 3.0;
+            moon_horiz_eff
+                = 0.67 + pow(osg::clampAbove(0.5 + cos(l->get_moon_angle()),
+                                             0.0),
+                             0.33)/3.0;
         } else {
            sun_horiz_eff = moon_horiz_eff = 1.0;
         }
 
-        static SGSkyState sstate;
-
-        sstate.view_pos  = toVec3f(current__view->get_view_pos());
-        sstate.zero_elev = toVec3f(current__view->get_zero_elev());
-        sstate.view_up   = current__view->get_world_up();
-        sstate.lon       = current__view->getLongitude_deg()
-                            * SGD_DEGREES_TO_RADIANS;
-        sstate.lat       = current__view->getLatitude_deg()
-                            * SGD_DEGREES_TO_RADIANS;
-        sstate.alt       = current__view->getAltitudeASL_ft()
-                            * SG_FEET_TO_METER;
+        SGSkyState sstate;
+        sstate.pos       = current__view->getViewPosition();
+        sstate.pos_geod  = current__view->getPosition();
+        sstate.ori       = current__view->getViewOrientation();
         sstate.spin      = l->get_sun_rotation();
         sstate.gst       = globals->get_time_params()->getGst();
-        sstate.sun_ra    = globals->get_ephem()->getSunRightAscension();
-        sstate.sun_dec   = globals->get_ephem()->getSunDeclination();
         sstate.sun_dist  = 50000.0 * sun_horiz_eff;
-        sstate.moon_ra   = globals->get_ephem()->getMoonRightAscension();
-        sstate.moon_dec  = globals->get_ephem()->getMoonDeclination();
         sstate.moon_dist = 40000.0 * moon_horiz_eff;
         sstate.sun_angle = l->get_sun_angle();
 
-
-        /*
-         SG_LOG( SG_GENERAL, SG_BULK, "thesky->repaint() sky_color = "
-         << l->sky_color()[0] << " "
-         << l->sky_color()[1] << " "
-         << l->sky_color()[2] << " "
-         << l->sky_color()[3] );
-        SG_LOG( SG_GENERAL, SG_BULK, "    fog = "
-         << l->fog_color()[0] << " "
-         << l->fog_color()[1] << " "
-         << l->fog_color()[2] << " "
-         << l->fog_color()[3] );
-        SG_LOG( SG_GENERAL, SG_BULK,
-                "    sun_angle = " << l->sun_angle
-         << "    moon_angle = " << l->moon_angle );
-        */
-
-        static SGSkyColor scolor;
-
+        SGSkyColor scolor;
         scolor.sky_color   = SGVec3f(l->sky_color().data());
+        scolor.adj_sky_color = SGVec3f(l->adj_sky_color().data());
         scolor.fog_color   = SGVec3f(l->adj_fog_color().data());
         scolor.cloud_color = SGVec3f(l->cloud_color().data());
         scolor.sun_angle   = l->get_sun_angle();
         scolor.moon_angle  = l->get_moon_angle();
-        scolor.nplanets    = globals->get_ephem()->getNumPlanets();
-        scolor.nstars      = globals->get_ephem()->getNumStars();
-        scolor.planet_data = globals->get_ephem()->getPlanets();
-        scolor.star_data   = globals->get_ephem()->getStars();
 
-        thesky->reposition( sstate, delta_time_sec );
-        thesky->repaint( scolor );
+        thesky->reposition( sstate, *globals->get_ephem(), delta_time_sec );
+        thesky->repaint( scolor, *globals->get_ephem() );
 
         /*
         SG_LOG( SG_GENERAL, SG_BULK,
@@ -731,23 +709,6 @@ FGRenderer::update( bool refresh_camera_settings ) {
     }
 
 //     sgEnviro.setLight(l->adj_fog_color());
-
-    // texture parameters
-    glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST );
-
-    double agl = current__view->getAltitudeASL_ft()*SG_FEET_TO_METER
-      - current__view->getSGLocation()->get_cur_elev_m();
-
-    float scene_nearplane, scene_farplane;
-    if ( agl > 10.0 ) {
-        scene_nearplane = 10.0f;
-        scene_farplane = 120000.0f;
-    } else {
-        scene_nearplane = groundlevel_nearplane->getDoubleValue();
-        scene_farplane = 120000.0f;
-    }
-    setNearFar( scene_nearplane, scene_farplane );
-
 //     sgEnviro.startOfFrame(current__view->get_view_pos(), 
 //         current__view->get_world_up(),
 //         current__view->getLongitude_deg(),
@@ -762,16 +723,6 @@ FGRenderer::update( bool refresh_camera_settings ) {
 //         fgGetDouble("/velocities/airspeed-kt", 0.0)
 //                        * cos( fgGetDouble("/orientation/pitch-deg", 0.0)
 //                                * SGD_DEGREES_TO_RADIANS);
-       // TODO:find the real view speed, not the AC one
-//     sgEnviro.drawPrecipitation(
-//         fgGetDouble("/environment/metar/rain-norm", 0.0),
-//         fgGetDouble("/environment/metar/snow-norm", 0.0),
-//         fgGetDouble("/environment/metar/hail-norm", 0.0),
-//         current__view->getPitch_deg() + current__view->getPitchOffset_deg(),
-//         current__view->getRoll_deg() + current__view->getRollOffset_deg(),
-//         - current__view->getHeadingOffset_deg(),
-//                current_view_origin_airspeed_horiz_kt
-//                );
 
     // OSGFIXME
 //     if( is_internal )
@@ -794,9 +745,7 @@ FGRenderer::update( bool refresh_camera_settings ) {
         ->getLightNodeMask(mUpdateVisitor.get());
     if (hotspots)
         cullMask |= simgear::PICK_BIT;
-    camera->setCullMask(cullMask);
-    for (int i = 0; i < viewer->getNumSlaves(); ++i)
-        viewer->getSlave(i)._camera->setCullMask(cullMask);
+    CameraGroup::getDefault()->setCameraCullMasks(cullMask);
 }
 
 
@@ -822,8 +771,6 @@ FGRenderer::resize( int width, int height ) {
     if (height != lastheight)
         fgSetInt("/sim/startup/ysize", lastheight = height);
 
-    guiInitMouse(width, height);
-
     // for all views
     FGViewMgr *viewmgr = globals->get_viewmgr();
     if (viewmgr) {
@@ -831,89 +778,55 @@ FGRenderer::resize( int width, int height ) {
         viewmgr->get_view(i)->
           set_aspect_ratio((float)view_h / (float)width);
       }
-
-      setFOV( viewmgr->get_current_view()->get_h_fov(),
-              viewmgr->get_current_view()->get_v_fov() );
     }
 }
 
-
-// we need some static storage space for these values.  However, we
-// can't store it in a renderer class object because the functions
-// that manipulate these are static.  They are static so they can
-// interface to the display callback system.  There's probably a
-// better way, there has to be a better way, but I'm not seeing it
-// right now.
-static float fov_width = 55.0;
-static float fov_height = 42.0;
-static float fov_near = 1.0;
-static float fov_far = 1000.0;
-
-
-/** FlightGear code should use this routine to set the FOV rather than
- *  calling the ssg routine directly
- */
-void FGRenderer::setFOV( float w, float h ) {
-    fov_width = w;
-    fov_height = h;
-    osgViewer::Viewer* viewer = globals->get_renderer()->getViewer();
-    viewer->getCamera()->setProjectionMatrixAsPerspective(fov_height, 4.0/3.0,
-                                                          fov_near, fov_far);
-}
-
-
-/** FlightGear code should use this routine to set the Near/Far clip
- *  planes rather than calling the ssg routine directly
- */
-void FGRenderer::setNearFar( float n, float f ) {
-// OSGFIXME: we have currently too much z-buffer fights
-n = 0.1;
-    fov_near = n;
-    fov_far = f;
-    osgViewer::Viewer* viewer = globals->get_renderer()->getViewer();
-    viewer->getCamera()->setProjectionMatrixAsPerspective(fov_height, 4.0/3.0,
-                                                          fov_near, fov_far);
-}
-
 bool
-FGRenderer::pick( unsigned x, unsigned y,
-                  std::vector<SGSceneryPick>& pickList,
-                  const osgGA::GUIEventAdapter* ea )
+FGRenderer::pick(std::vector<SGSceneryPick>& pickList,
+                 const osgGA::GUIEventAdapter* ea)
 {
-  osgViewer::Viewer* viewer = globals->get_renderer()->getViewer();
-  // wipe out the return ...
-  pickList.resize(0);
-
-  if (viewer) {
-    // just compute intersections in the viewers method ...
+    // wipe out the return ...
+    pickList.clear();
     typedef osgUtil::LineSegmentIntersector::Intersections Intersections;
     Intersections intersections;
-    viewer->computeIntersections(ea->getX(), ea->getY(), intersections);
-
-    Intersections::iterator hit;
-    for (hit = intersections.begin(); hit != intersections.end(); ++hit) {
-      const osg::NodePath& np = hit->nodePath;
-      osg::NodePath::const_reverse_iterator npi;
-      for (npi = np.rbegin(); npi != np.rend(); ++npi) {
-        SGSceneUserData* ud = SGSceneUserData::getSceneUserData(*npi);
-        if (!ud)
-          continue;
-        for (unsigned i = 0; i < ud->getNumPickCallbacks(); ++i) {
-          SGPickCallback* pickCallback = ud->getPickCallback(i);
-          if (!pickCallback)
-            continue;
-          SGSceneryPick sceneryPick;
-          sceneryPick.info.local = SGVec3d(hit->getLocalIntersectPoint());
-          sceneryPick.info.wgs84 = SGVec3d(hit->getWorldIntersectPoint());
-          sceneryPick.callback = pickCallback;
-          pickList.push_back(sceneryPick);
+
+    if (!computeIntersections(CameraGroup::getDefault(), ea, intersections))
+        return false;
+    for (Intersections::iterator hit = intersections.begin(),
+             e = intersections.end();
+         hit != e;
+         ++hit) {
+        const osg::NodePath& np = hit->nodePath;
+        osg::NodePath::const_reverse_iterator npi;
+        for (npi = np.rbegin(); npi != np.rend(); ++npi) {
+            SGSceneUserData* ud = SGSceneUserData::getSceneUserData(*npi);
+            if (!ud)
+                continue;
+            for (unsigned i = 0; i < ud->getNumPickCallbacks(); ++i) {
+                SGPickCallback* pickCallback = ud->getPickCallback(i);
+                if (!pickCallback)
+                    continue;
+                SGSceneryPick sceneryPick;
+                sceneryPick.info.local = toSG(hit->getLocalIntersectPoint());
+                sceneryPick.info.wgs84 = toSG(hit->getWorldIntersectPoint());
+                sceneryPick.callback = pickCallback;
+                pickList.push_back(sceneryPick);
+            }
         }
-      }
     }
     return !pickList.empty();
-  } else {			// we can get called early ...
-    return false;
-  }
+}
+
+void
+FGRenderer::setViewer(osgViewer::Viewer* viewer_)
+{
+    viewer = viewer_;
+}
+
+void
+FGRenderer::setEventHandler(FGEventHandler* eventHandler_)
+{
+    eventHandler = eventHandler_;
 }
 
 void