1 // Copyright (C) 2008 Till Busch buti@bux.at
3 // This program is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU General Public License as
5 // published by the Free Software Foundation; either version 2 of the
6 // License, or (at your option) any later version.
8 // This program is distributed in the hope that it will be useful, but
9 // WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 # include <simgear_config.h>
22 #include <boost/algorithm/string.hpp>
24 #include <osgDB/ReadFile>
25 #include <osgDB/WriteFile>
26 #include <osgDB/Registry>
28 #include <simgear/constants.h>
29 #include <simgear/props/props.hxx>
30 #include <simgear/props/props_io.hxx>
31 #include <simgear/scene/model/model.hxx>
32 #include <simgear/scene/model/ModelRegistry.hxx>
33 #include <simgear/misc/ResourceManager.hxx>
35 #include "SGPagedLOD.hxx"
36 #include "SGReaderWriterXML.hxx"
37 #include "SGReaderWriterXMLOptions.hxx"
39 #include "modellib.hxx"
41 #include <simgear/math/SGMath.hxx>
44 using namespace simgear;
46 osgDB::RegisterReaderWriterProxy<SGReaderWriterXML> g_readerWriter_XML_Proxy;
47 ModelRegistryCallbackProxy<LoadOnlyCallback> g_xmlCallbackProxy("xml");
49 SGPropertyNode_ptr SGModelLib::static_propRoot;
50 SGModelLib::panel_func SGModelLib::static_panelFunc = NULL;
52 ////////////////////////////////////////////////////////////////////////
53 // Implementation of SGModelLib.
54 ////////////////////////////////////////////////////////////////////////
55 void SGModelLib::init(const string &root_dir, SGPropertyNode* root)
57 osgDB::Registry::instance()->getDataFilePathList().push_front(root_dir);
58 static_propRoot = root;
59 SGPagedLOD::setRenderingCache(root->getBoolValue("/sim/rendering/cache",true));
62 void SGModelLib::setPanelFunc(panel_func pf)
64 static_panelFunc = pf;
67 std::string SGModelLib::findDataFile(const std::string& file,
68 const osgDB::ReaderWriter::Options* opts,
71 SGPath p = ResourceManager::instance()->findPath(file, currentPath);
76 // finally hand on to standard OSG behaviour
77 return osgDB::findDataFile(file, opts);
80 SGModelLib::SGModelLib()
84 SGModelLib::~SGModelLib()
90 osg::Node* loadFile(const string& path, SGReaderWriterXMLOptions* options)
93 using namespace osgDB;
94 if (boost::iends_with(path, ".ac"))
95 options->setInstantiateEffects(true);
96 ref_ptr<Node> model = readRefNodeFile(path, options);
100 return model.release();
105 SGModelLib::loadModel(const string &path,
106 SGPropertyNode *prop_root,
110 osg::ref_ptr<SGReaderWriterXMLOptions> opt = new SGReaderWriterXMLOptions(*(osgDB::Registry::instance()->getOptions()));
111 opt->setPropRoot(prop_root ? prop_root: static_propRoot.get());
112 opt->setModelData(data);
115 opt->setLoadPanel(static_panelFunc);
118 osg::Node *n = loadFile(path, opt.get());
119 if (n && n->getName().empty())
120 n->setName("Direct loaded model \"" + path + "\"");
126 SGModelLib::loadPagedModel(const string &path, SGPropertyNode *prop_root,
129 SGPagedLOD *plod = new SGPagedLOD;
130 plod->setName("Paged LOD for \"" + path + "\"");
131 plod->setFileName(0, path);
132 plod->setRange(0, 0.0, 50.0*SG_NM_TO_METER);
134 osg::ref_ptr<SGReaderWriterXMLOptions> opt
135 = new SGReaderWriterXMLOptions(*(osgDB::Registry::instance()
137 opt->setPropRoot(prop_root ? prop_root: static_propRoot.get());
138 opt->setModelData(data);
139 opt->setLoadPanel(static_panelFunc);
140 if (boost::iends_with(path, ".ac"))
141 opt->setInstantiateEffects(true);
142 plod->setReaderWriterOptions(opt.get());
146 // end of modellib.cxx