]> git.mxchange.org Git - flightgear.git/blobdiff - src/Viewer/renderer.cxx
commradio: improvements for atis speech
[flightgear.git] / src / Viewer / renderer.cxx
index 739f691cd56766bced7cdf462ed0ea4e022a8328..9728f0f72ac0757c255a8d6ac75e5d3b2efea667 100644 (file)
@@ -86,9 +86,6 @@
 #include <simgear/timing/sg_time.hxx>
 #include <simgear/ephemeris/ephemeris.hxx>
 #include <simgear/math/sg_random.h>
-#ifdef FG_JPEG_SERVER
-#include <simgear/screen/jpgfactory.hxx>
-#endif
 
 #include <Time/light.hxx>
 #include <Time/light.hxx>
@@ -385,13 +382,6 @@ public:
 };
 
 bool FGScenerySwitchCallback::scenery_enabled = false;
-                                    
-#ifdef FG_JPEG_SERVER
-static void updateRenderer()
-{
-    globals->get_renderer()->update();
-}
-#endif
 
 FGRenderer::FGRenderer() :
     _sky(NULL),
@@ -406,16 +396,15 @@ FGRenderer::FGRenderer() :
     _shadowDistances( new osg::Uniform( "fg_ShadowDistances", osg::Vec4f(5.0, 50.0, 500.0, 5000.0 ) ) ),
     _depthInColor( new osg::Uniform( "fg_DepthInColor", false ) )
 {
-#ifdef FG_JPEG_SERVER
-   jpgRenderFrame = updateRenderer;
-#endif
-    
     // it's not the real root, whatever that means
     _root = new osg::Group;
     _root->setName("fakeRoot");
 
     _updateVisitor = new SGUpdateVisitor;
-    _root = new osg::Group;
+  
+  // when Rembrandt is enabled, we use this group to access the whole
+  // scene. Since the only child is the _viewerSceneRoot, we could
+  // simply copy the reference, we don't need the additional group.
     _deferredRealRoot = new osg::Group;
     
    _numCascades = 4;
@@ -433,12 +422,10 @@ FGRenderer::~FGRenderer()
     }
     
     // replace the viewer's scene completely
-    getViewer()->setSceneData(new osg::Group);
-    
+    if (getViewer()) {
+        getViewer()->setSceneData(new osg::Group);
+    }
     
-#ifdef FG_JPEG_SERVER
-   jpgRenderFrame = NULL;
-#endif
     delete _sky;
 }
 
@@ -447,11 +434,15 @@ FGRenderer::~FGRenderer()
 // critical parts of the scene graph in addition to the splash screen.
 void
 FGRenderer::splashinit( void )
-      {
+{
+    // important that we reset the viewer sceneData here, to ensure the reference
+    // time for everything is in sync; otherwise on reset the Viewer and
+    // GraphicsWindow clocks are out of sync.
     osgViewer::Viewer* viewer = getViewer();
     viewer->setName("osgViewer");
-    _viewerSceneRoot = dynamic_cast<osg::Group*>(viewer->getSceneData());
+    _viewerSceneRoot = new osg::Group;
     _viewerSceneRoot->setName("viewerSceneRoot");
+    viewer->setSceneData(_viewerSceneRoot);
     
     ref_ptr<Node> splashNode = fgCreateSplashNode();
     if (_classicalRenderer) {
@@ -469,7 +460,8 @@ FGRenderer::splashinit( void )
         }
     }
     
-    _frameStamp = viewer->getFrameStamp();
+    _frameStamp = new osg::FrameStamp;
+    viewer->setFrameStamp(_frameStamp.get());
     // Scene doesn't seem to pass the frame stamp to the update
     // visitor automatically.
     _updateVisitor->setFrameStamp(_frameStamp.get());
@@ -558,12 +550,10 @@ FGRenderer::init( void )
     _ysize         = fgGetNode("/sim/startup/ysize", true);
     _splash_alpha  = fgGetNode("/sim/startup/splash-alpha", true);
 
-    _skyblend             = fgGetNode("/sim/rendering/skyblend", true);
     _point_sprites        = fgGetNode("/sim/rendering/point-sprites", true);
     _enhanced_lighting    = fgGetNode("/sim/rendering/enhanced-lighting", true);
     _distance_attenuation = fgGetNode("/sim/rendering/distance-attenuation", true);
     _horizon_effect       = fgGetNode("/sim/rendering/horizon-effect", true);
-    _textures             = fgGetNode("/sim/rendering/textures", true);
 
     _altitude_ft = fgGetNode("/position/altitude-ft", true);
 
@@ -611,7 +601,6 @@ FGRenderer::init( void )
 
     if (!_classicalRenderer) {
         eventHandler->setChangeStatsCameraRenderOrder( true );
-        _sky->set_minimum_sky_visibility( 0.0 ); // A black sky appears for below that
     }
 }
 
@@ -1109,7 +1098,6 @@ FGRenderer::buildDeferredLightingCamera( flightgear::CameraInfo* info, osg::Grap
     buildAttachments(info, camera, stage->name, stage->attachments);
     camera->setDrawBuffer(GL_FRONT);
     camera->setReadBuffer(GL_FRONT);
-    camera->setClearColor( osg::Vec4( 0.5, 0.5, 0.5, 1. ) );
     camera->setClearMask( GL_COLOR_BUFFER_BIT );
     osg::StateSet* ss = camera->getOrCreateStateSet();
     ss->setAttribute( new osg::Depth(osg::Depth::LESS, 0.0, 1.0, false) );
@@ -1404,59 +1392,29 @@ CameraInfo* FGRenderer::buildCameraFromRenderingPipeline(FGRenderingPipeline* rp
     return info;
 }
 
-void
-FGRenderer::setupView( void )
+void FGRenderer::setupRoot()
 {
-    osgViewer::Viewer* viewer = globals->get_renderer()->getViewer();
-    osg::initNotifyLevel();
-
-    // The number of polygon-offset "units" to place between layers.  In
-    // principle, one is supposed to be enough.  In practice, I find that
-    // my hardware/driver requires many more.
-    osg::PolygonOffset::setUnitsMultiplier(1);
-    osg::PolygonOffset::setFactorMultiplier(1);
-
-// build the sky    
-    // The sun and moon diameters are scaled down numbers of the
-    // actual diameters. This was needed to fit both the sun and the
-    // moon within the distance to the far clip plane.
-    // Moon diameter:    3,476 kilometers
-    // Sun diameter: 1,390,000 kilometers
-    osg::ref_ptr<SGReaderWriterOptions> opt;
-    opt = SGReaderWriterOptions::fromPath(globals->get_fg_root());
-    opt->setPropertyNode(globals->get_props());
-    _sky->build( 80000.0, 80000.0,
-                  463.3, 361.8,
-                  *globals->get_ephem(),
-                  fgGetNode("/environment", true),
-                  opt.get());
-    
-    viewer->getCamera()
-        ->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
-    
     osg::StateSet* stateSet = _root->getOrCreateStateSet();
-
+    
     stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
     
     stateSet->setAttribute(new osg::Depth(osg::Depth::LESS));
     stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
-
-    stateSet->setAttribute(new osg::AlphaFunc(osg::AlphaFunc::GREATER, 0.01));
-    stateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::OFF);
+    
     stateSet->setAttribute(new osg::BlendFunc);
     stateSet->setMode(GL_BLEND, osg::StateAttribute::OFF);
-
+    
     stateSet->setMode(GL_FOG, osg::StateAttribute::OFF);
     
     // this will be set below
     stateSet->setMode(GL_NORMALIZE, osg::StateAttribute::OFF);
-
+    
     osg::Material* material = new osg::Material;
     stateSet->setAttribute(material);
     
     stateSet->setTextureAttribute(0, new osg::TexEnv);
     stateSet->setTextureMode(0, GL_TEXTURE_2D, 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);
@@ -1472,17 +1430,41 @@ FGRenderer::setupView( void )
     hint = new osg::Hint(GL_PERSPECTIVE_CORRECTION_HINT, GL_DONT_CARE);
     hint->setUpdateCallback(new FGHintUpdateCallback("/sim/rendering/perspective-correction"));
     stateSet->setAttribute(hint);
+}
+                                    
+void
+FGRenderer::setupView( void )
+{
+    osgViewer::Viewer* viewer = globals->get_renderer()->getViewer();
+    osg::initNotifyLevel();
 
-    osg::Group* sceneGroup = new osg::Group;
-    sceneGroup->setName("rendererScene");
-    sceneGroup->addChild(globals->get_scenery()->get_scene_graph());
-    sceneGroup->setNodeMask(~simgear::BACKGROUND_BIT);
-
-    //sceneGroup->addChild(thesky->getCloudRoot());
-
-    stateSet = sceneGroup->getOrCreateStateSet();
-    stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
+    // The number of polygon-offset "units" to place between layers.  In
+    // principle, one is supposed to be enough.  In practice, I find that
+    // my hardware/driver requires many more.
+    osg::PolygonOffset::setUnitsMultiplier(1);
+    osg::PolygonOffset::setFactorMultiplier(1);
 
+    setupRoot();
+  
+// build the sky    
+    // The sun and moon diameters are scaled down numbers of the
+    // actual diameters. This was needed to fit both the sun and the
+    // moon within the distance to the far clip plane.
+    // Moon diameter:    3,476 kilometers
+    // Sun diameter: 1,390,000 kilometers
+    osg::ref_ptr<SGReaderWriterOptions> opt;
+    opt = SGReaderWriterOptions::fromPath(globals->get_fg_root());
+    opt->setPropertyNode(globals->get_props());
+    _sky->build( 80000.0, 80000.0,
+                  463.3, 361.8,
+                  *globals->get_ephem(),
+                  fgGetNode("/environment", true),
+                  opt.get());
+    
+    viewer->getCamera()
+        ->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
+    
+  
     // need to update the light on every frame
     // OSG LightSource objects are rather confusing. OSG only supports
     // the 10 lights specified by OpenGL itself; if more than one
@@ -1493,7 +1475,7 @@ FGRenderer::setupView( void )
     // 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;
+    osg::ref_ptr<LightSource> lightSource = new LightSource;
     lightSource->setName("FGLightSource");
     lightSource->getLight()->setDataVariance(Object::DYNAMIC);
     // relative because of CameraView being just a clever transform node
@@ -1503,7 +1485,7 @@ FGRenderer::setupView( void )
     _viewerSceneRoot->addChild(lightSource);
     
     // we need a white diffuse light for the phase of the moon
-    osg::LightSource* sunLight = new osg::LightSource;
+    osg::ref_ptr<LightSource> sunLight = new osg::LightSource;
     sunLight->setName("sunLightSource");
     sunLight->getLight()->setDataVariance(Object::DYNAMIC);
     sunLight->getLight()->setLightNum(1);
@@ -1513,20 +1495,22 @@ FGRenderer::setupView( void )
     
     // Hang a StateSet above the sky subgraph in order to turn off
     // light 0
-    Group* skyGroup = new Group;
-    skyGroup->setName("rendererSkyParent");
+    Group* skyGroup = _sky->getPreRoot();
     StateSet* skySS = skyGroup->getOrCreateStateSet();
     skySS->setMode(GL_LIGHT0, StateAttribute::OFF);
-    skyGroup->addChild(_sky->getPreRoot());
     sunLight->addChild(skyGroup);
     
-    _root->addChild(sceneGroup);
-    if ( _classicalRenderer )
+    if ( _classicalRenderer ) {
         _root->addChild(sunLight);
-    
-    // Clouds are added to the scene graph later
-    stateSet = globals->get_scenery()->get_scene_graph()->getOrCreateStateSet();
-    stateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::ON);
+    }
+  
+    osg::Group* sceneGroup = globals->get_scenery()->get_scene_graph();
+    sceneGroup->setName("rendererScene");
+    sceneGroup->setNodeMask(~simgear::BACKGROUND_BIT);
+    _root->addChild(sceneGroup);
+  
+    // setup state-set for main scenery (including models and aircraft)
+    osg::StateSet* stateSet = sceneGroup->getOrCreateStateSet();
     stateSet->setMode(GL_LIGHTING, osg::StateAttribute::ON);
     stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
 
@@ -1568,10 +1552,11 @@ FGRenderer::setupView( void )
     // 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.
-       if ( _classicalRenderer ) {
-               _viewerSceneRoot->addChild(_sky->getCloudRoot());
-               _viewerSceneRoot->addChild(FGCreateRedoutNode());
-       }
+    if ( _classicalRenderer ) {
+      _viewerSceneRoot->addChild(_sky->getCloudRoot());
+      _viewerSceneRoot->addChild(FGCreateRedoutNode());
+    }
+  
     // Attach empty program to the scene root so that shader programs
     // don't leak into state sets (effects) that shouldn't have one.
     stateSet = _viewerSceneRoot->getOrCreateStateSet();
@@ -1632,101 +1617,11 @@ FGRenderer::update( ) {
   
     osg::Camera *camera = viewer->getCamera();
 
-    bool skyblend = _skyblend->getBoolValue();
-    if ( skyblend ) {
-       
-        if ( _textures->getBoolValue() ) {
-            SGVec4f clearColor(l->adj_fog_color());
-            camera->setClearColor(toOsg(clearColor));
-        }
-    } else {
-        SGVec4f clearColor(l->sky_color());
-        camera->setClearColor(toOsg(clearColor));
-    }
-
-    // update fog params if visibility has changed
-    double visibility_meters = _visibility_m->getDoubleValue();
-    _sky->set_visibility(visibility_meters);
-
-    double altitude_m = _altitude_ft->getDoubleValue() * SG_FEET_TO_METER;
-    _sky->modify_vis( altitude_m, 0.0 /* time factor, now unused */);
-
-    // update the sky dome
-    if ( skyblend ) {
-
-        // The sun and moon distances are scaled down versions
-        // of the actual distance to get both the moon and the sun
-        // within the range of the far clip plane.
-        // Moon distance:    384,467 kilometers
-        // Sun distance: 150,000,000 kilometers
-
-        double sun_horiz_eff, moon_horiz_eff;
-        if (_horizon_effect->getBoolValue()) {
-            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;
-        }
-
-        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_dist  = 50000.0 * sun_horiz_eff;
-        sstate.moon_dist = 40000.0 * moon_horiz_eff;
-        sstate.sun_angle = l->get_sun_angle();
-
-        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();
-  
-        double delta_time_sec = _sim_delta_sec->getDoubleValue();
-        _sky->reposition( sstate, *globals->get_ephem(), delta_time_sec );
-        _sky->repaint( scolor, *globals->get_ephem() );
-
-            //OSGFIXME
-//         shadows->setupShadows(
-//           current__view->getLongitude_deg(),
-//           current__view->getLatitude_deg(),
-//           globals->get_time_params()->getGst(),
-//           globals->get_ephem()->getSunRightAscension(),
-//           globals->get_ephem()->getSunDeclination(),
-//           l->get_sun_angle());
-
-    }
-
-//     sgEnviro.setLight(l->adj_fog_color());
-//     sgEnviro.startOfFrame(current__view->get_view_pos(), 
-//         current__view->get_world_up(),
-//         current__view->getLongitude_deg(),
-//         current__view->getLatitude_deg(),
-//         current__view->getAltitudeASL_ft() * SG_FEET_TO_METER,
-//         delta_time_sec);
-
-    // OSGFIXME
-//     sgEnviro.drawLightning();
-
-//        double current_view_origin_airspeed_horiz_kt =
-//         fgGetDouble("/velocities/airspeed-kt", 0.0)
-//                        * cos( fgGetDouble("/orientation/pitch-deg", 0.0)
-//                                * SGD_DEGREES_TO_RADIANS);
-
-    // OSGFIXME
-//     if( is_internal )
-//         shadows->endOfFrame();
+    SGVec4f clearColor(l->adj_fog_color());
+    camera->setClearColor(toOsg(clearColor));
 
+    updateSky();
+    
     // need to call the update visitor once
     _frameStamp->setCalendarTime(*globals->get_time_params()->getGmt());
     _updateVisitor->setViewData(current__view->getViewPosition(),
@@ -1750,6 +1645,61 @@ FGRenderer::update( ) {
        }
 }
 
+void
+FGRenderer::updateSky()
+{
+    // update fog params if visibility has changed
+    double visibility_meters = _visibility_m->getDoubleValue();
+    _sky->set_visibility(visibility_meters);
+    
+    double altitude_m = _altitude_ft->getDoubleValue() * SG_FEET_TO_METER;
+    _sky->modify_vis( altitude_m, 0.0 /* time factor, now unused */);
+
+    FGLight *l = static_cast<FGLight*>(globals->get_subsystem("lighting"));
+    
+    // The sun and moon distances are scaled down versions
+    // of the actual distance to get both the moon and the sun
+    // within the range of the far clip plane.
+    // Moon distance:    384,467 kilometers
+    // Sun distance: 150,000,000 kilometers
+    
+    double sun_horiz_eff, moon_horiz_eff;
+    if (_horizon_effect->getBoolValue()) {
+        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;
+    }
+    
+    SGSkyState sstate;
+    sstate.pos       = globals->get_current_view()->getViewPosition();
+    sstate.pos_geod  = globals->get_current_view()->getPosition();
+    sstate.ori       = globals->get_current_view()->getViewOrientation();
+    sstate.spin      = l->get_sun_rotation();
+    sstate.gst       = globals->get_time_params()->getGst();
+    sstate.sun_dist  = 50000.0 * sun_horiz_eff;
+    sstate.moon_dist = 40000.0 * moon_horiz_eff;
+    sstate.sun_angle = l->get_sun_angle();
+    
+    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();
+    
+    double delta_time_sec = _sim_delta_sec->getDoubleValue();
+    _sky->reposition( sstate, *globals->get_ephem(), delta_time_sec );
+    _sky->repaint( scolor, *globals->get_ephem() );
+}
+                                    
 void
 FGRenderer::resize( int width, int height )
 {