simgear/scene/model/modellib.cxx

   1 // Copyright (C) 2008 Till Busch buti@bux.at
   2 //
   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.
   7 //
   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.
  12 //
  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.
  16 //
  17
  18 #ifdef HAVE_CONFIG_H
  19 #  include <simgear_config.h>
  20 #endif
  21
  22 #include <osgDB/ReadFile>
  23 #include <osgDB/WriteFile>
  24 #include <osgDB/Registry>
  25
  26 #include <simgear/constants.h>
  27 #include <simgear/props/props.hxx>
  28 #include <simgear/props/props_io.hxx>
  29 #include <simgear/scene/model/ModelRegistry.hxx>
  30
  31 #include "SGPagedLOD.hxx"
  32 #include "SGReaderWriterXML.hxx"
  33 #include "SGReaderWriterXMLOptions.hxx"
  34
  35 #include "modellib.hxx"
  36
  37
  38 using namespace simgear;
  39
  40 osgDB::RegisterReaderWriterProxy<SGReaderWriterXML> g_readerWriter_XML_Proxy;
  41 ModelRegistryCallbackProxy<LoadOnlyCallback> g_xmlCallbackProxy("xml");
  42
  43 \f
  44 ////////////////////////////////////////////////////////////////////////
  45 // Implementation of SGModelLib.
  46 ////////////////////////////////////////////////////////////////////////
  47 void SGModelLib::init(const string &root_dir)
  48 {
  49     osgDB::Registry::instance()->getDataFilePathList().push_front(root_dir);
  50 }
  51
  52 SGModelLib::SGModelLib()
  53 {
  54 }
  55
  56 SGModelLib::~SGModelLib()
  57 {
  58 }
  59
  60 osg::Node*
  61 SGModelLib::loadModel(const string &path,
  62                        SGPropertyNode *prop_root,
  63                        SGModelData *data)
  64 {
  65     osg::ref_ptr<SGReaderWriterXMLOptions> opt = new SGReaderWriterXMLOptions(*(osgDB::Registry::instance()->getOptions()));
  66     opt->setPropRoot(prop_root);
  67     opt->setModelData(data);
  68     osg::Node *n = readNodeFile(path, opt.get());
  69     if (n && n->getName().empty())
  70         n->setName("Direct loaded model \"" + path + "\"");
  71     return n;
  72
  73 }
  74
  75 osg::Node*
  76 SGModelLib::loadModel(const string &path,
  77                                 SGPropertyNode *prop_root,
  78                                 panel_func pf)
  79 {
  80     osg::ref_ptr<SGReaderWriterXMLOptions> opt = new SGReaderWriterXMLOptions(*(osgDB::Registry::instance()->getOptions()));
  81     opt->setPropRoot(prop_root);
  82     opt->setLoadPanel(pf);
  83     return readNodeFile(path, opt.get());
  84 }
  85
  86 osg::Node*
  87 SGModelLib::loadPagedModel(const string &path,
  88                            SGPropertyNode *prop_root,
  89                            SGModelData *data)
  90 {
  91     SGPagedLOD *plod = new SGPagedLOD;
  92     plod->setName("Paged LOD for \"" + path + "\"");
  93     plod->setFileName(0, path);
  94     plod->setRange(0, 0.0, 50.0*SG_NM_TO_METER);
  95
  96     osg::ref_ptr<SGReaderWriterXMLOptions> opt = new SGReaderWriterXMLOptions(*(osgDB::Registry::instance()->getOptions()));
  97     opt->setPropRoot(prop_root);
  98     opt->setModelData(data);
  99     plod->setReaderWriterOptions(opt.get());
 100     return plod;
 101 }
 102
 103 // end of modellib.cxx