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/* OpenSceneGraph example, osgobjectcache.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <osg/Group>
#include <osgDB/ReadFile>
#include <osgViewer/Viewer>
#include <assert.h>
osg::Group* createObjectCache()
{
osg::Group* group = new osg::Group();
if (osgDB::Registry::instance()->getOptions()==0)
osgDB::Registry::instance()->setOptions(new osgDB::Options());
osgDB::Registry::instance()->getOptions()->setObjectCacheHint(osgDB::Options::CACHE_ALL);
osg::ref_ptr<osgDB::Options> options1 = new osgDB::Options("a=1 b=2 c=3");
options1->setObjectCacheHint(osgDB::Options::CACHE_ALL);
osg::ref_ptr<osgDB::Options> options2 = new osgDB::Options("a=6 b=7 c=8");
options2->setObjectCacheHint(osgDB::Options::CACHE_ALL);
osg::ref_ptr<osgDB::Options> options3 = new osgDB::Options("b=7 a=6 c=8");
options3->setObjectCacheHint(osgDB::Options::CACHE_ALL);
osg::ref_ptr<osg::Node> node1 = osgDB::readRefNodeFile("cessna.osg");
osg::ref_ptr<osg::Node> node2 = osgDB::readRefNodeFile("cessna.osg");
osg::ref_ptr<osg::Node> node3 = osgDB::readRefNodeFile("cessna.osg", options1.get());
osg::ref_ptr<osg::Node> node4 = osgDB::readRefNodeFile("cessna.osg", options2.get());
osg::ref_ptr<osg::Node> node5 = osgDB::readRefNodeFile("cessna.osg", options1.get());
osg::ref_ptr<osg::Node> node6 = osgDB::readRefNodeFile("cessna.osg", options2.get());
osg::ref_ptr<osg::Node> node7 = osgDB::readRefNodeFile("cessna.osg", options3.get());
osg::ref_ptr<osg::Node> node8 = osgDB::readRefNodeFile("cessna.osg", options3.get());
// check that we really get the correct nodes
if (node1 != node2)
{
fprintf(stderr, "error reading node from object cache using default options\n");
exit(1);
}
if (node3 != node5)
{
fprintf(stderr, "error reading node from object cache stored with options '%s'\n", options1.get()->getOptionString().c_str());
exit(1);
}
if (node4 != node6)
{
fprintf(stderr, "error reading node from object cache stored with options '%s'\n", options2.get()->getOptionString().c_str());
exit(1);
}
if (node7 != node8)
{
fprintf(stderr, "error reading node from object cache stored with options '%s'\n", options3.get()->getOptionString().c_str());
exit(1);
}
group->addChild(node1);
group->addChild(node2);
group->addChild(node3);
group->addChild(node4);
group->addChild(node5);
group->addChild(node6);
return group;
}
int main(int , char **)
{
// construct the viewer.
osgViewer::Viewer viewer;
// add model to viewer.
viewer.setSceneData(createObjectCache());
// create the windows and run the threads.
return viewer.run();
}
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