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     _selector(new osg::Switch),
  38     _nearplane(0.10f),
  39     _farplane(1000.0f)
  40 {
  41 }
  42
  43 FGAircraftModel::~FGAircraftModel ()
  44 {
  45   delete _aircraft;
  46                                 // SSG will delete it
  47   globals->get_scenery()->get_aircraft_branch()->removeChild(_selector.get());
  48 }
  49
  50 void
  51 FGAircraftModel::init ()
  52 {
  53   _aircraft = new SGModelPlacement;
  54   string path = fgGetString("/sim/model/path", "Models/Geometry/glider.ac");
  55   try {
  56     osg::Node *model = fgLoad3DModelPanel( path, globals->get_props());
  57     _aircraft->init( model );
  58   } catch (const sg_exception &ex) {
  59     SG_LOG(SG_GENERAL, SG_ALERT, "Failed to load aircraft from " << path << ':');
  60     SG_LOG(SG_GENERAL, SG_ALERT, "  " << ex.getFormattedMessage());
  61     SG_LOG(SG_GENERAL, SG_ALERT, "(Falling back to glider.ac.)");
  62     osg::Node *model = fgLoad3DModelPanel( "Models/Geometry/glider.ac",
  63                                            globals->get_props());
  64     _aircraft->init( model );
  65   }
  66   _selector->addChild(_aircraft->getSceneGraph(), true);
  67   // Do not do altitude computations with that model
  68   _selector->setNodeMask(~SG_NODEMASK_TERRAIN_BIT);
  69   globals->get_scenery()->get_aircraft_branch()->addChild(_selector.get());
  70 }
  71
  72 void
  73 FGAircraftModel::bind ()
  74 {
  75   // No-op
  76 }
  77
  78 void
  79 FGAircraftModel::unbind ()
  80 {
  81   // No-op
  82 }
  83
  84 void
  85 FGAircraftModel::update (double dt)
  86 {
  87   int view_number = globals->get_viewmgr()->get_current();
  88   int is_internal = fgGetBool("/sim/current-view/internal");
  89
  90   if (view_number == 0 && !is_internal) {
  91     _aircraft->setVisible(false);
  92   } else {
  93     _aircraft->setVisible(true);
  94   }
  95
  96   _aircraft->setPosition(fgGetDouble("/position/longitude-deg"),
  97                          fgGetDouble("/position/latitude-deg"),
  98                          fgGetDouble("/position/altitude-ft"));
  99   _aircraft->setOrientation(fgGetDouble("/orientation/roll-deg"),
 100                             fgGetDouble("/orientation/pitch-deg"),
 101                             fgGetDouble("/orientation/heading-deg"));
 102   _aircraft->update();
 103 }
 104
 105
 106 // end of model.cxx