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Provide command line arguments for fgviewer.

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Provide --fg-root and --fg-scenery command line
processing for fgviewer.
This commit is contained in:
Mathias Froehlich 2011-07-15 17:42:19 +02:00
parent 80f9092460
commit e389b45599
1 changed files with 14 additions and 8 deletions
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22
utils/fgviewer/fgviewer.cxx
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@ -90,29 +90,31 @@ main(int argc, char** argv)
fog->setDensity(1e-6);
camera->getOrCreateStateSet()->setAttribute(fog);
const char *fg_root_env = std::getenv("FG_ROOT");
std::string fg_root;
if (fg_root_env)
if (arguments.read("--fg-root", fg_root)) {
} else if (const char *fg_root_env = std::getenv("FG_ROOT")) {
fg_root = fg_root_env;
else
} else {
#if defined(PKGDATADIR)
fg_root = PKGDATADIR;
#else
fg_root = ".";
#endif
}
osgDB::FilePathList filePathList;
filePathList.push_back(fg_root);
const char *fg_scenery_env = std::getenv("FG_SCENERY");
std::string fg_scenery;
string_list path_list;
if (fg_scenery_env) {
if (arguments.read("--fg-scenery", fg_scenery)) {
path_list.push_back(fg_scenery);
} else if (const char *fg_scenery_env = std::getenv("FG_SCENERY")) {
path_list = sgPathSplit(fg_scenery_env);
} else {
SGPath path(fg_root);
path.append("Scenery");
path_list.push_back(path.str());
}
osgDB::FilePathList filePathList;
filePathList.push_back(fg_root);
for (unsigned i = 0; i < path_list.size(); ++i) {
SGPath pt(path_list[i]), po(path_list[i]);
pt.append("Terrain");
@ -153,6 +155,10 @@ main(int argc, char** argv)
btgOptions->getDatabasePathList() = filePathList;
btgOptions->setMatlib(ml);
// Here, all arguments are processed
arguments.reportRemainingOptionsAsUnrecognized();
arguments.writeErrorMessages(std::cerr);
// read the scene from the list of file specified command line args.
osg::ref_ptr<osg::Node> loadedModel;
loadedModel = osgDB::readNodeFiles(arguments, btgOptions);