src/Model/acmodel.cxx

   1 // model.cxx - manage a 3D aircraft model.
   2 // Written by David Megginson, started 2002.
   3 //
   4 // This file is in the Public Domain, and comes with no warranty.
   5
   6 #ifdef HAVE_CONFIG_H
   7 #  include <config.h>
   8 #endif
   9
  10 #include <string.h>             // for strcmp()
  11
  12 #include <simgear/compiler.h>
  13 #include <simgear/debug/logstream.hxx>
  14 #include <simgear/structure/exception.hxx>
  15 #include <simgear/misc/sg_path.hxx>
  16 #include <simgear/scene/model/placement.hxx>
  17 #include <simgear/scene/util/SGNodeMasks.hxx>
  18
  19 #include <Main/globals.hxx>
  20 #include <Main/fg_props.hxx>
  21 #include <Main/renderer.hxx>
  22 #include <Main/viewmgr.hxx>
  23 #include <Main/viewer.hxx>
  24 #include <Scenery/scenery.hxx>
  25
  26 #include "model_panel.hxx"
  27
  28 #include "acmodel.hxx"
  29
  30 \f
  31 ////////////////////////////////////////////////////////////////////////
  32 // Implementation of FGAircraftModel
  33 ////////////////////////////////////////////////////////////////////////
  34
  35 FGAircraftModel::FGAircraftModel ()
  36   : _aircraft(0)
  37 {
  38 }
  39
  40 FGAircraftModel::~FGAircraftModel ()
  41 {
  42   osg::Node* node = _aircraft->getSceneGraph();
  43   globals->get_scenery()->get_aircraft_branch()->removeChild(node);
  44
  45   delete _aircraft;
  46 }
  47
  48 void
  49 FGAircraftModel::init ()
  50 {
  51   _aircraft = new SGModelPlacement;
  52   string path = fgGetString("/sim/model/path", "Models/Geometry/glider.ac");
  53   try {
  54     osg::Node *model = fgLoad3DModelPanel( path, globals->get_props());
  55     _aircraft->init( model );
  56   } catch (const sg_exception &ex) {
  57     SG_LOG(SG_GENERAL, SG_ALERT, "Failed to load aircraft from " << path << ':');
  58     SG_LOG(SG_GENERAL, SG_ALERT, "  " << ex.getFormattedMessage());
  59     SG_LOG(SG_GENERAL, SG_ALERT, "(Falling back to glider.ac.)");
  60     osg::Node *model = fgLoad3DModelPanel( "Models/Geometry/glider.ac",
  61                                            globals->get_props());
  62     _aircraft->init( model );
  63   }
  64   osg::Node* node = _aircraft->getSceneGraph();
  65   // Do not do altitude computations with that model
  66   node->setNodeMask(~SG_NODEMASK_TERRAIN_BIT);
  67   globals->get_scenery()->get_aircraft_branch()->addChild(node);
  68 }
  69
  70 void
  71 FGAircraftModel::bind ()
  72 {
  73   // No-op
  74 }
  75
  76 void
  77 FGAircraftModel::unbind ()
  78 {
  79   // No-op
  80 }
  81
  82 void
  83 FGAircraftModel::update (double dt)
  84 {
  85   int view_number = globals->get_viewmgr()->get_current();
  86   int is_internal = fgGetBool("/sim/current-view/internal");
  87
  88   if (view_number == 0 && !is_internal) {
  89     _aircraft->setVisible(false);
  90   } else {
  91     _aircraft->setVisible(true);
  92   }
  93
  94   _aircraft->setPosition(fgGetDouble("/position/longitude-deg"),
  95                          fgGetDouble("/position/latitude-deg"),
  96                          fgGetDouble("/position/altitude-ft"));
  97   _aircraft->setOrientation(fgGetDouble("/orientation/roll-deg"),
  98                             fgGetDouble("/orientation/pitch-deg"),
  99                             fgGetDouble("/orientation/heading-deg"));
 100   _aircraft->update();
 101 }
 102
 103
 104 // end of model.cxx