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