1 // model.cxx - manage a 3D aircraft model.
2 // Written by David Megginson, started 2002.
4 // This file is in the Public Domain, and comes with no warranty.
10 #include <string.h> // for strcmp()
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>
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 #include <Sound/fg_fx.hxx>
27 #include "model_panel.hxx"
29 #include "acmodel.hxx"
33 ////////////////////////////////////////////////////////////////////////
34 // Implementation of FGAircraftModel
35 ////////////////////////////////////////////////////////////////////////
37 FGAircraftModel::FGAircraftModel ()
39 _velocity(SGVec3d::zeros()),
52 smgr = (SGSoundMgr *)globals->get_subsystem("soundmgr");
53 _fx = new FGFX(smgr, "fx");
57 FGAircraftModel::~FGAircraftModel ()
59 osg::Node* node = _aircraft->getSceneGraph();
60 globals->get_scenery()->get_aircraft_branch()->removeChild(node);
66 FGAircraftModel::init ()
68 _aircraft = new SGModelPlacement;
69 string path = fgGetString("/sim/model/path", "Models/Geometry/glider.ac");
71 osg::Node *model = fgLoad3DModelPanel( path, globals->get_props());
72 _aircraft->init( model );
73 } catch (const sg_exception &ex) {
74 SG_LOG(SG_GENERAL, SG_ALERT, "Failed to load aircraft from " << path << ':');
75 SG_LOG(SG_GENERAL, SG_ALERT, " " << ex.getFormattedMessage());
76 SG_LOG(SG_GENERAL, SG_ALERT, "(Falling back to glider.ac.)");
77 osg::Node *model = fgLoad3DModelPanel( "Models/Geometry/glider.ac",
78 globals->get_props());
79 _aircraft->init( model );
81 osg::Node* node = _aircraft->getSceneGraph();
82 // Do not do altitude computations with that model
83 node->setNodeMask(~SG_NODEMASK_TERRAIN_BIT);
84 globals->get_scenery()->get_aircraft_branch()->addChild(node);
88 FGAircraftModel::bind ()
90 _lon = fgGetNode("position/longitude-deg", true);
91 _lat = fgGetNode("position/latitude-deg", true);
92 _alt = fgGetNode("position/altitude-ft", true);
93 _pitch = fgGetNode("orientation/pitch-deg", true);
94 _roll = fgGetNode("orientation/roll-deg", true);
95 _heading = fgGetNode("orientation/heading-deg", true);
96 _speed_n = fgGetNode("velocities/speed-north-fps", true);
97 _speed_e = fgGetNode("velocities/speed-east-fps", true);
98 _speed_d = fgGetNode("velocities/speed-down-fps", true);
102 FGAircraftModel::unbind ()
108 FGAircraftModel::update (double dt)
110 int view_number = globals->get_viewmgr()->get_current();
111 int is_internal = fgGetBool("/sim/current-view/internal");
113 if (view_number == 0 && !is_internal) {
114 _aircraft->setVisible(false);
116 _aircraft->setVisible(true);
119 _aircraft->setPosition(_lon->getDoubleValue(),
120 _lat->getDoubleValue(),
121 _alt->getDoubleValue());
122 _aircraft->setOrientation(_roll->getDoubleValue(),
123 _pitch->getDoubleValue(),
124 _heading->getDoubleValue());
127 // update model's audio sample values
128 _fx->set_position( _aircraft->getPosition() );
130 SGQuatd orient = SGQuatd::fromYawPitchRollDeg(_heading->getDoubleValue(),
131 _pitch->getDoubleValue(),
132 _roll->getDoubleValue());
133 _fx->set_orientation( orient );
135 _velocity = SGVec3d( -_speed_n->getDoubleValue(),
136 -_speed_e->getDoubleValue(),
137 -_speed_d->getDoubleValue());
138 _fx->set_velocity( _velocity );