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 <plib/sg.h>
  13 #include <plib/ssg.h>
  14
  15 #include <simgear/compiler.h>
  16 #include <simgear/debug/logstream.hxx>
  17 #include <simgear/misc/exception.hxx>
  18 #include <simgear/misc/sg_path.hxx>
  19
  20 #include <Main/globals.hxx>
  21 #include <Main/fg_props.hxx>
  22 #include <Main/viewmgr.hxx>
  23 #include "acmodel.hxx"
  24
  25
  26 \f
  27 ////////////////////////////////////////////////////////////////////////
  28 // Implementation of FGAircraftModel
  29 ////////////////////////////////////////////////////////////////////////
  30
  31 FGAircraftModel::FGAircraftModel ()
  32   : _aircraft(0),
  33     _scene(new ssgRoot),
  34     _nearplane(0.01f),
  35     _farplane(5000.0f)
  36 {
  37 }
  38
  39 FGAircraftModel::~FGAircraftModel ()
  40 {
  41   delete _aircraft;
  42   delete _scene;
  43 }
  44
  45 void
  46 FGAircraftModel::init ()
  47 {
  48   _aircraft = new FG3DModel;
  49   _aircraft->init(fgGetString("/sim/model/path", "Models/Geometry/glider.ac"));
  50   _scene->addKid(_aircraft->getSceneGraph());
  51 }
  52
  53 void
  54 FGAircraftModel::bind ()
  55 {
  56   // No-op
  57 }
  58
  59 void
  60 FGAircraftModel::unbind ()
  61 {
  62   // No-op
  63 }
  64
  65 void
  66 FGAircraftModel::update (int dt)
  67 {
  68   int view_number = globals->get_viewmgr()->get_current();
  69
  70   if (view_number == 0 && !fgGetBool("/sim/view/internal")) {
  71     _aircraft->setVisible(false);
  72   } else {
  73     _aircraft->setVisible(true);
  74   }
  75
  76   _aircraft->setPosition(fgGetDouble("/position/longitude-deg"),
  77                          fgGetDouble("/position/latitude-deg"),
  78                          fgGetDouble("/position/altitude-ft"));
  79   _aircraft->setOrientation(fgGetDouble("/orientation/roll-deg"),
  80                             fgGetDouble("/orientation/pitch-deg"),
  81                             fgGetDouble("/orientation/heading-deg"));
  82   _aircraft->update(dt);
  83
  84 }
  85
  86 void
  87 FGAircraftModel::draw ()
  88 {
  89                                 // OK, now adjust the clip planes and draw
  90                                 // FIXME: view number shouldn't be
  91                                 // hard-coded.
  92   if (_aircraft->getVisible()) {
  93     glClearDepth(1);
  94     glClear(GL_DEPTH_BUFFER_BIT);
  95     ssgSetNearFar(_nearplane, _farplane);
  96     ssgCullAndDraw(_scene);
  97   }
  98
  99 }
 100
 101 // end of model.cxx