-// modellib.cxx - implement an SSG model library.
+// Copyright (C) 2008 Till Busch buti@bux.at
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
#ifdef HAVE_CONFIG_H
# include <simgear_config.h>
#endif
-#include <simgear/compiler.h>
+#include <boost/algorithm/string.hpp>
+
+#include <osg/PagedLOD>
+#include <osg/ProxyNode>
+#include <osgDB/ReadFile>
+#include <osgDB/WriteFile>
+#include <osgDB/Registry>
+
+#include <simgear/constants.h>
#include <simgear/props/props.hxx>
-#include <simgear/scene/util/SGNodeMasks.hxx>
+#include <simgear/props/props_io.hxx>
+#include <simgear/scene/model/model.hxx>
+#include <simgear/scene/model/ModelRegistry.hxx>
+#include <simgear/scene/util/SGReaderWriterOptions.hxx>
+#include <simgear/misc/ResourceManager.hxx>
-#include "model.hxx"
-#include "animation.hxx"
+#include "SGReaderWriterXML.hxx"
#include "modellib.hxx"
+using std::string;
+using namespace simgear;
+
+osgDB::RegisterReaderWriterProxy<SGReaderWriterXML> g_readerWriter_XML_Proxy;
+ModelRegistryCallbackProxy<LoadOnlyCallback> g_xmlCallbackProxy("xml");
+
+SGPropertyNode_ptr SGModelLib::static_propRoot;
+SGModelLib::panel_func SGModelLib::static_panelFunc = NULL;
-\f
////////////////////////////////////////////////////////////////////////
// Implementation of SGModelLib.
////////////////////////////////////////////////////////////////////////
+void SGModelLib::init(const string &root_dir, SGPropertyNode* root)
+{
+ osgDB::Registry::instance()->getDataFilePathList().push_front(root_dir);
+ static_propRoot = root;
+}
-SGModelLib::SGModelLib ()
+void SGModelLib::resetPropertyRoot()
{
+ static_propRoot.clear();
}
-SGModelLib::~SGModelLib ()
+void SGModelLib::setPanelFunc(panel_func pf)
{
+ static_panelFunc = pf;
}
-void
-SGModelLib::flush1()
+std::string SGModelLib::findDataFile(const std::string& file,
+ const osgDB::Options* opts,
+ SGPath currentPath)
{
+ if (file.empty())
+ return file;
+ SGPath p = ResourceManager::instance()->findPath(file, currentPath);
+ if (p.exists()) {
+ return p.str();
+ }
+
+ // finally hand on to standard OSG behaviour
+ return osgDB::findDataFile(file, opts);
+}
+
+SGModelLib::SGModelLib()
+{
+}
+
+SGModelLib::~SGModelLib()
+{
+}
+
+namespace
+{
+osg::Node* loadFile(const string& path, SGReaderWriterOptions* options)
+{
+ using namespace osg;
+ using namespace osgDB;
+ if (boost::iends_with(path, ".ac"))
+ options->setInstantiateEffects(true);
+ ref_ptr<Node> model = readRefNodeFile(path, options);
+ if (!model)
+ return 0;
+ else
+ return model.release();
+}
+}
+
+osg::Node*
+SGModelLib::loadModel(const string &path,
+ SGPropertyNode *prop_root,
+ SGModelData *data,
+ bool load2DPanels)
+{
+ osg::ref_ptr<SGReaderWriterOptions> opt;
+ opt = SGReaderWriterOptions::copyOrCreate(osgDB::Registry::instance()->getOptions());
+ opt->setPropertyNode(prop_root ? prop_root: static_propRoot.get());
+ opt->setModelData(data);
+
+ if (load2DPanels) {
+ opt->setLoadPanel(static_panelFunc);
+ }
+
+ osg::Node *n = loadFile(path, opt.get());
+ if (n && n->getName().empty())
+ n->setName("Direct loaded model \"" + path + "\"");
+ return n;
+
}
osg::Node*
-SGModelLib::load_model( const string &fg_root,
- const string &path,
- SGPropertyNode *prop_root,
- double sim_time_sec,
- bool cache_object,
- SGModelData *data )
+SGModelLib::loadDeferredModel(const string &path, SGPropertyNode *prop_root,
+ SGModelData *data)
{
- return sgLoad3DModel(fg_root, path, prop_root, sim_time_sec, 0, data );
+ osg::ProxyNode* proxyNode = new osg::ProxyNode;
+ proxyNode->setLoadingExternalReferenceMode(osg::ProxyNode::DEFER_LOADING_TO_DATABASE_PAGER);
+ proxyNode->setFileName(0, path);
+
+ osg::ref_ptr<SGReaderWriterOptions> opt;
+ opt = SGReaderWriterOptions::copyOrCreate(osgDB::Registry::instance()->getOptions());
+ opt->setPropertyNode(prop_root ? prop_root: static_propRoot.get());
+ opt->setModelData(data);
+ opt->setLoadPanel(static_panelFunc);
+ if (SGPath(path).lower_extension() == "ac")
+ opt->setInstantiateEffects(true);
+ if (!prop_root || prop_root->getBoolValue("/sim/rendering/cache", true))
+ opt->setObjectCacheHint(osgDB::Options::CACHE_ALL);
+ else
+ opt->setObjectCacheHint(osgDB::Options::CACHE_NONE);
+ proxyNode->setDatabaseOptions(opt.get());
+
+ return proxyNode;
}
+osg::Node*
+SGModelLib::loadPagedModel(const string &path, SGPropertyNode *prop_root,
+ SGModelData *data)
+{
+ osg::PagedLOD *plod = new osg::PagedLOD;
+ plod->setName("Paged LOD for \"" + path + "\"");
+ plod->setFileName(0, path);
+ plod->setRange(0, 0.0, 50.0*SG_NM_TO_METER);
+
+ osg::ref_ptr<SGReaderWriterOptions> opt;
+ opt = SGReaderWriterOptions::copyOrCreate(osgDB::Registry::instance()->getOptions());
+ opt->setPropertyNode(prop_root ? prop_root: static_propRoot.get());
+ opt->setModelData(data);
+ opt->setLoadPanel(static_panelFunc);
+ if (SGPath(path).lower_extension() == "ac")
+ opt->setInstantiateEffects(true);
+ if (!prop_root || prop_root->getBoolValue("/sim/rendering/cache", true))
+ opt->setObjectCacheHint(osgDB::Options::CACHE_ALL);
+ else
+ opt->setObjectCacheHint(osgDB::Options::CACHE_NONE);
+ plod->setDatabaseOptions(opt.get());
+ return plod;
+}
// end of modellib.cxx