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src/Main/renderer.cxx: Use a LightSource for the Light.
This commit is contained in:
frohlich 2006-11-23 17:50:49 +00:00
parent d9015f6923
commit 6ad85fbae9
1 changed files with 33 additions and 27 deletions
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60
src/Main/renderer.cxx
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@ -41,7 +41,9 @@
#include <osg/Depth>
#include <osg/Fog>
#include <osg/Group>
#include <osg/Light>
#include <osg/LightModel>
#include <osg/LightSource>
#include <osg/NodeCallback>
#include <osg/Notify>
#include <osg/MatrixTransform>
@ -206,15 +208,14 @@ public:
private:
};
class FGSunLightUpdateCallback : public osg::StateAttribute::Callback {
class FGLightSourceUpdateCallback : public osg::NodeCallback {
public:
virtual void operator()(osg::StateAttribute* stateAttribute,
osg::NodeVisitor*)
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
assert(dynamic_cast<osg::Light*>(stateAttribute));
osg::Light* light = static_cast<osg::Light*>(stateAttribute);
assert(dynamic_cast<osg::LightSource*>(node));
osg::LightSource* lightSource = static_cast<osg::LightSource*>(node);
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());
@ -228,6 +229,8 @@ public:
light->setConstantAttenuation(1);
light->setLinearAttenuation(0);
light->setQuadraticAttenuation(0);
traverse(node, nv);
}
};
@ -388,7 +391,6 @@ FGRenderer::init( void ) {
sceneView->getCamera()->setClearMask(GL_COLOR_BUFFER_BIT);
osg::StateSet* stateSet = mRoot->getOrCreateStateSet();
stateSet->setRenderingHint(osg::StateSet::OPAQUE_BIN);
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
@ -416,15 +418,6 @@ FGRenderer::init( void ) {
// stateSet->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
// need to update the light on every frame
osg::Light* sunLight = new osg::Light;
sunLight->setLightNum(0);
sunLight->setUpdateCallback(new FGSunLightUpdateCallback);
stateSet->setAttributeAndModes(sunLight, osg::StateAttribute::ON);
osg::LightModel* lightModel = new osg::LightModel;
lightModel->setUpdateCallback(new FGLightModelUpdateCallback);
stateSet->setAttributeAndModes(lightModel, osg::StateAttribute::ON);
// this is the topmost scenegraph node for osg
mBackGroundCamera->addChild(thesky->getPreRoot());
mBackGroundCamera->setClearMask(0);
@ -436,6 +429,7 @@ FGRenderer::init( void ) {
mBackGroundCamera->setInheritanceMask(inheritanceMask);
mBackGroundCamera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
mBackGroundCamera->setCullingMode(osg::CullSettings::NO_CULLING);
mBackGroundCamera->setRenderOrder(osg::CameraNode::NESTED_RENDER);
mBackGroundCamera->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
@ -448,7 +442,23 @@ FGRenderer::init( void ) {
mSceneCamera->setInheritanceMask(inheritanceMask);
mSceneCamera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
mSceneCamera->setCullingMode(osg::CullSettings::DEFAULT_CULLING);
mSceneCamera->setRenderOrder(osg::CameraNode::NESTED_RENDER);
mRoot->addChild(mSceneCamera.get());
stateSet = mSceneCamera->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);
// relative because of CameraView being just a clever transform node
lightSource->setReferenceFrame(osg::LightSource::RELATIVE_RF);
lightSource->setLocalStateSetModes(osg::StateAttribute::ON);
mSceneCamera->addChild(lightSource);
lightSource->addChild(globals->get_scenery()->get_scene_graph());
lightSource->addChild(thesky->getCloudRoot());
stateSet = globals->get_scenery()->get_scene_graph()->getOrCreateStateSet();
stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
@ -456,6 +466,12 @@ FGRenderer::init( void ) {
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::ON);
stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
// enable disable specular highlights.
// is the place where we might plug in an other fragment shader ...
osg::LightModel* lightModel = new osg::LightModel;
lightModel->setUpdateCallback(new FGLightModelUpdateCallback);
stateSet->setAttribute(lightModel);
// switch to enable wireframe
osg::PolygonMode* polygonMode = new osg::PolygonMode;
polygonMode->setUpdateCallback(new FGWireFrameModeUpdateCallback);
@ -465,8 +481,6 @@ FGRenderer::init( void ) {
stateSet->setAttributeAndModes(mFog.get());
stateSet->setUpdateCallback(new FGFogEnableUpdateCallback);
mRoot->addChild(mSceneCamera.get());
// plug in the GUI
osg::CameraNode* guiCamera = new osg::CameraNode;
guiCamera->setRenderOrder(osg::CameraNode::POST_RENDER);
@ -483,12 +497,6 @@ FGRenderer::init( void ) {
geode->addDrawable(new SGHUDAndPanelDrawable);
guiCamera->addChild(geode);
mSceneCamera->addChild(globals->get_scenery()->get_scene_graph());
stateSet = mSceneCamera->getOrCreateStateSet();
stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
// this one contains all lights, here we set the light states we did
// in the plib case with plain OpenGL
osg::Group* lightGroup = new osg::Group;
@ -514,8 +522,6 @@ FGRenderer::init( void ) {
mCameraView->addChild(mRoot.get());
sceneView->setSceneData(mCameraView.get());
mSceneCamera->addChild(thesky->getCloudRoot());
// sceneView->getState()->setCheckForGLErrors(osg::State::ONCE_PER_ATTRIBUTE);
}