#include <osg/Notify>
#include <osg/PolygonMode>
#include <osg/PolygonOffset>
+#include <osg/Program>
#include <osg/Version>
#include <osg/TexEnv>
#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>
{
// Dynamic stuff, do not store geometry
setUseDisplayList(false);
+ setDataVariance(Object::DYNAMIC);
osg::StateSet* stateSet = getOrCreateStateSet();
stateSet->setRenderBinDetails(1001, "RenderBin");
{
// Dynamic stuff, do not store geometry
setUseDisplayList(false);
+ setDataVariance(Object::DYNAMIC);
osg::StateSet* stateSet = getOrCreateStateSet();
stateSet->setRenderBinDetails(1000, "RenderBin");
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));
osg::Light* light = lightSource->getLight();
FGLight *l = static_cast<FGLight*>(globals->get_subsystem("lighting"));
- light->setAmbient(toOsg(l->scene_ambient()));
- light->setDiffuse(toOsg(l->scene_diffuse()));
- light->setSpecular(toOsg(l->scene_specular()));
+ 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);
- osg::Vec3f direction(l->sun_vec()[0], l->sun_vec()[1], l->sun_vec()[2]);
- light->setDirection(direction);
- light->setSpotExponent(0);
- light->setSpotCutoff(180);
- light->setConstantAttenuation(1);
- light->setLinearAttenuation(0);
- light->setQuadraticAttenuation(0);
traverse(node, nv);
}
+private:
+ const bool _isSun;
};
class FGWireFrameModeUpdateCallback : public osg::StateAttribute::Callback {
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);
-
- lightSource->addChild(sceneGroup);
- lightSource->addChild(thesky->getPreRoot());
- mRoot->addChild(lightSource);
-
+ 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_ALPHA_TEST, osg::StateAttribute::ON);
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::ON);
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());
+ // 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);
}
}
SGSkyState sstate;
-
- SGVec3d viewPos = current__view->getViewPosition();
- sstate.view_pos = toVec3f(viewPos);
- SGGeod geodViewPos = SGGeod::fromCart(viewPos);
- SGGeod geodZeroViewPos = SGGeod::fromGeodM(geodViewPos, 0);
- sstate.zero_elev = toVec3f(SGVec3d::fromGeod(geodZeroViewPos));
- SGQuatd hlOr = SGQuatd::fromLonLat(geodViewPos);
- sstate.view_up = toVec3f(hlOr.backTransform(-SGVec3d::e3()));
- sstate.lon = geodViewPos.getLongitudeRad();
- sstate.lat = geodViewPos.getLatitudeRad();
- sstate.alt = geodViewPos.getElevationM();
+ 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();
-
- /*
- 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 );
- */
-
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());
projects / flightgear.git / blobdiff