FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Port of osghangglide to use osg producer. Default build still uses GLUT.

Browse Source
This commit is contained in:
Robert Osfield 2003-01-31 00:44:56 +00:00
parent 4c4735a586
commit fa70860427
3 changed files with 156 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/Demos/osghangglide/Makefile
View File

@ -19,6 +19,7 @@ HEADERFILES = \
terrain_texcoords.h\
LIBS += $(OSG_LIBS) $(GLUT_LIB) $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
#LIBS += -losgProducer -l Producer $(OSG_LIBS) $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
INSTFILES = \
$(CXXFILES)\
@ -27,4 +28,8 @@ INSTFILES = \
EXEC = osghangglide
CXXFLAGS += -DUSE_GLUT
#CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
#LDFLAGS += $(PRODUCER_LIB_DIR)
include $(TOPDIR)/Make/makerules

194
src/Demos/osghangglide/osghangglide.cpp
View File

@ -10,8 +10,7 @@
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgGLUT/glut>
#include <osgGLUT/Viewer>
#include <osgGA/AnimationPathManipulator>
#include "GliderManipulator.h"
@ -52,6 +51,58 @@ struct MoveEarthySkyWithEyePointCallback : public osg::Transform::ComputeTransfo
}
};
osg::Group* createModel()
{
// no database loaded so automatically create Ed Levin Park..
osg::Group* group = new osg::Group;
// the base and sky subgraphs go to set the earth sky of the
// model and clear the color and depth buffer for us, by using
// osg::Depth, and setting their bin numbers to less than 0,
// to force them to draw before the rest of the scene.
osg::ClearNode* clearNode = new osg::ClearNode;
clearNode->setRequiresClear(false); // we've got base and sky to do it.
// use a transform to make the sky and base around with the eye point.
osg::Transform* transform = new osg::Transform;
// transform's value isn't knowm until in the cull traversal so its bounding
// volume is can't be determined, therefore culling will be invalid,
// so switch it off, this cause all our paresnts to switch culling
// off as well. But don't worry culling will be back on once underneath
// this node or any other branch above this transform.
transform->setCullingActive(false);
// set the compute transform callback to do all the work of
// determining the transform according to the current eye point.
transform->setComputeTransformCallback(new MoveEarthySkyWithEyePointCallback);
// add the sky and base layer.
transform->addChild(makeSky()); // bin number -2 so drawn first.
transform->addChild(makeBase()); // bin number -1 so draw second.
// add the transform to the earth sky.
clearNode->addChild(transform);
// add to earth sky to the scene.
group->addChild(clearNode);
// the rest of the scene drawn after the base and sky above.
group->addChild(makeTrees()); // will drop into a transparent, depth sorted bin (1)
group->addChild(makeTerrain()); // will drop into default bin - state sorted 0
group->addChild(makeTank()); // will drop into default bin - state sorted 0
// add the following in the future...
// makeGliders
// makeClouds
return group;
}
#ifdef USE_GLUT
#include <osgGLUT/glut>
#include <osgGLUT/Viewer>
int main( int argc, char **argv )
{
@ -75,53 +126,7 @@ int main( int argc, char **argv )
// load the nodes from the commandline arguments.
osg::Node* rootnode = osgDB::readNodeFiles(commandLine);
if (!rootnode)
{
// no database loaded so automatically create Ed Levin Park..
osg::Group* group = new osg::Group;
rootnode = group;
// the base and sky subgraphs go to set the earth sky of the
// model and clear the color and depth buffer for us, by using
// osg::Depth, and setting their bin numbers to less than 0,
// to force them to draw before the rest of the scene.
osg::ClearNode* clearNode = new osg::ClearNode;
clearNode->setRequiresClear(false); // we've got base and sky to do it.
// use a transform to make the sky and base around with the eye point.
osg::Transform* transform = new osg::Transform;
// transform's value isn't knowm until in the cull traversal so its bounding
// volume is can't be determined, therefore culling will be invalid,
// so switch it off, this cause all our paresnts to switch culling
// off as well. But don't worry culling will be back on once underneath
// this node or any other branch above this transform.
transform->setCullingActive(false);
// set the compute transform callback to do all the work of
// determining the transform according to the current eye point.
transform->setComputeTransformCallback(new MoveEarthySkyWithEyePointCallback);
// add the sky and base layer.
transform->addChild(makeSky()); // bin number -2 so drawn first.
transform->addChild(makeBase()); // bin number -1 so draw second.
// add the transform to the earth sky.
clearNode->addChild(transform);
// add to earth sky to the scene.
group->addChild(clearNode);
// the rest of the scene drawn after the base and sky above.
group->addChild(makeTrees()); // will drop into a transparent, depth sorted bin (1)
group->addChild(makeTerrain()); // will drop into default bin - state sorted 0
group->addChild(makeTank()); // will drop into default bin - state sorted 0
// add the following in the future...
// makeGliders
// makeClouds
}
if (!rootnode) rootnode = createModel();
viewer.addViewport( rootnode );
@ -136,3 +141,94 @@ int main( int argc, char **argv )
return 0;
}
#else
#include <osgProducer/Viewer>
int main( int argc, char **argv )
{
// create the commandline args.
std::string pathfile;
std::string configfile;
std::vector<std::string> commandLine;
for(int i=1;i<argc;++i) {
if( std::string(argv[i]) == "-p" ) {
if( (i+1) >= argc ) {
std::cout << "path argument required for -p option."<<std::endl;
return 1;
}
else
pathfile = std::string(argv[++i]);
}
else
if( std::string(argv[i]) == "-c" ) {
if( (i+1) >= argc ) {
std::cout << "path argument required for -c option."<<std::endl;
return 1;
}
else
configfile = std::string(argv[++i]);
}
else
commandLine.push_back(argv[i]);
}
osg::DisplaySettings::instance()->readCommandLine(commandLine);
osgDB::readCommandLine(commandLine);
osgProducer::Viewer* viewer = 0;
if (!configfile.empty()) viewer = new osgProducer::Viewer(configfile);
else viewer = new osgProducer::Viewer;
// configure the plugin registry from the commandline arguments, and
// eat any parameters that have been matched.
osgDB::readCommandLine(commandLine);
// load the nodes from the commandline arguments.
osg::Node* rootnode = osgDB::readNodeFiles(commandLine);
if (!rootnode) rootnode = createModel();
// set the scene to render
viewer->setSceneData(rootnode);
// set up the value with sensible defaults.
viewer->setUpViewer();
unsigned int pos = viewer->addCameraManipulator(new GliderManipulator());
viewer->selectCameraManipulator(pos);
if( !pathfile.empty() ) {
osg::ref_ptr<osgGA::AnimationPathManipulator> apm = new osgGA::AnimationPathManipulator(pathfile);
if( apm.valid() && apm->valid() )
{
unsigned int num = viewer->addCameraManipulator(apm.get());
viewer->selectCameraManipulator(num);
}
}
// set up the stack size
viewer->setStackSize( 20* 1024 * 1024);
// create the windows and run the threads.
viewer->realize(Producer::CameraGroup::ThreadPerCamera);
while( !viewer->done() )
{
// wait for all cull and draw threads to complete.
viewer->sync();
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer->update();
// fire off the cull and draw traversals of the scene.
viewer->frame();
}
return 0;
}
#endif

9
src/Demos/osgproducer/osgproducer_viewer.cpp
View File

@ -15,8 +15,6 @@
int main( int argc, char **argv )
{
// create the camera group.
// create the commandline args.
std::string pathfile;
std::string configfile;
@ -43,11 +41,16 @@ int main( int argc, char **argv )
commandLine.push_back(argv[i]);
}
osg::DisplaySettings::instance()->readCommandLine(commandLine);
osgDB::readCommandLine(commandLine);
osgProducer::Viewer* viewer = 0;
if (!configfile.empty()) viewer = new osgProducer::Viewer(configfile);
else viewer = new osgProducer::Viewer;
osg::DisplaySettings::instance()->readCommandLine(commandLine);
// configure the plugin registry from the commandline arguments, and
// eat any parameters that have been matched.
osgDB::readCommandLine(commandLine);