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// acmodel.cxx - manage a 3D aircraft model.
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// Written by David Megginson, started 2002.
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//
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// This file is in the Public Domain, and comes with no warranty.
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <cstring> // for strcmp()
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#include <simgear/compiler.h>
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#include <simgear/debug/ErrorReportingCallback.hxx>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/structure/exception.hxx>
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#include <simgear/misc/sg_path.hxx>
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#include <simgear/scene/model/animation.hxx>
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#include <simgear/scene/model/placement.hxx>
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#include <simgear/scene/util/SGNodeMasks.hxx>
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#include <simgear/scene/model/modellib.hxx>
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#include <Main/globals.hxx>
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#include <Main/fg_props.hxx>
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#include <Viewer/renderer.hxx>
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#include <Viewer/viewmgr.hxx>
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#include <Viewer/view.hxx>
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#include <Scenery/scenery.hxx>
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#include <Sound/fg_fx.hxx>
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#include <GUI/Highlight.hxx>
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#include "acmodel.hxx"
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static osg::Node *
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fgLoad3DModelPanel(const SGPath &path, SGPropertyNode *prop_root)
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{
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bool loadPanels = true;
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bool autoTooltipsMaster = fgGetBool("/sim/rendering/automatic-animation-tooltips/enabled");
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int autoTooltipsMasterMax = fgGetInt("/sim/rendering/automatic-animation-tooltips/max-count");
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SG_LOG(SG_INPUT, SG_DEBUG, ""
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<< " autoTooltipsMaster=" << autoTooltipsMaster
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<< " autoTooltipsMasterMax=" << autoTooltipsMasterMax
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);
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osg::Node* node = simgear::SGModelLib::loadModel(path.utf8Str(), prop_root, NULL, loadPanels, autoTooltipsMaster, autoTooltipsMasterMax);
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if (node)
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node->setNodeMask(~SG_NODEMASK_TERRAIN_BIT);
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return node;
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of FGAircraftModel
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////////////////////////////////////////////////////////////////////////
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FGAircraftModel::FGAircraftModel ()
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: _velocity(SGVec3d::zeros()),
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_fx(0),
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_speed_n(0),
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_speed_e(0),
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_speed_d(0)
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{
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}
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FGAircraftModel::~FGAircraftModel ()
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{
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// drop reference
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_fx = 0;
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shutdown();
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}
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// Gathers information about all animated nodes and the properties that they
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// depend on, and registers with Highlight::add_property_node().
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//
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struct VisitorHighlight : osg::NodeVisitor
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{
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VisitorHighlight()
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{
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m_highlight = globals->get_subsystem<Highlight>();
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setTraversalMode(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN);
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}
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std::string spaces()
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{
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return std::string(m_level*4, ' ');
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}
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virtual void apply(osg::Node& node)
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{
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SG_LOG(SG_GENERAL, SG_DEBUG, spaces() << "node: " << node.libraryName() << "::" << node.className());
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m_level += 1;
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traverse(node);
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m_level -= 1;
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}
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virtual void apply(osg::Group& group)
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{
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// Parent nodes of <group> are animated by properties in
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// <m_highlight_names>, so register the association between <group> and
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// these properties.
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SG_LOG(SG_GENERAL, SG_DEBUG, spaces() << "group: " << group.libraryName() << "::" << group.className());
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for (auto name: m_highlight_names)
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{
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if (m_highlight) {
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m_highlight->addPropertyNode(name, &group);
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}
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}
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m_level += 1;
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traverse(group);
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m_level -= 1;
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}
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virtual void apply( osg::Transform& node )
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{
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SG_LOG(SG_GENERAL, SG_DEBUG, spaces() << "transform: "
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<< node.libraryName() << "::" << node.className()
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<< ": " << typeid(node).name()
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);
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SGSharedPtr<SGExpressiond const> expression = TransformExpression(&node);
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int num_added = 0;
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if (expression) {
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// All <nodes>'s child nodes will be affected by <expression> so
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// add all of <expression>'s properties to <m_highlight_names> so
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// that we can call Highlight::add_property_node() for each child
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// node.
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std::set<const SGPropertyNode*> properties;
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expression->collectDependentProperties(properties);
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SG_LOG(SG_GENERAL, SG_DEBUG, spaces() << typeid(node).name() << ":");
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for (auto p: properties) {
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SG_LOG(SG_GENERAL, SG_DEBUG, spaces() << " " << p->getPath(true));
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num_added += 1;
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m_highlight_names.push_back(p->getPath(true /*simplify*/));
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}
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}
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m_level += 1;
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traverse(node);
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m_level -= 1;
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// Remove the names we appended to <m_highlight_names> earlier.
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assert((int) m_highlight_names.size() >= num_added);
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m_highlight_names.resize(m_highlight_names.size() - num_added);
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}
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unsigned int m_level = 0; // Only used to indent diagnostics.
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std::vector<std::string> m_highlight_names;
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Highlight* m_highlight = nullptr;
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};
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void
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FGAircraftModel::init ()
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{
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if (_aircraft.get()) {
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SG_LOG(SG_AIRCRAFT, SG_ALERT, "FGAircraftModel::init: already inited");
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return;
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}
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simgear::ErrorReportContext ec("primary-aircraft", "yes");
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_fx = new FGFX("fx");
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_fx->init();
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SGPropertyNode_ptr sim = fgGetNode("/sim", true);
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for (auto model : sim->getChildren("model")) {
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std::string path = model->getStringValue("path", "Models/Geometry/glider.ac");
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std::string usage = model->getStringValue("usage", "external");
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simgear::ErrorReportContext ec("aircraft-model", path);
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SGPath resolvedPath = globals->resolve_aircraft_path(path);
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if (resolvedPath.isNull()) {
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simgear::reportFailure(simgear::LoadFailure::NotFound,
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simgear::ErrorCode::XMLModelLoad,
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"Failed to find aircraft model", SGPath::fromUtf8(path));
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SG_LOG(SG_AIRCRAFT, SG_ALERT, "Failed to find aircraft model: " << path);
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continue;
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}
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osg::Node* node = NULL;
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try {
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node = fgLoad3DModelPanel( resolvedPath, globals->get_props());
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} catch (const sg_exception &ex) {
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simgear::reportFailure(simgear::LoadFailure::BadData,
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simgear::ErrorCode::XMLModelLoad,
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"Failed to load aircraft model:" + ex.getFormattedMessage(),
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ex.getLocation());
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SG_LOG(SG_AIRCRAFT, SG_ALERT, "Failed to load aircraft from " << path << ':');
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SG_LOG(SG_AIRCRAFT, SG_ALERT, " " << ex.getFormattedMessage());
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}
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if (usage == "interior") {
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// interior model
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if (!_interior.get()) {
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_interior.reset(new SGModelPlacement);
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_interior->init(node);
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} else {
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_interior->add(node);
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}
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} else {
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// normal / exterior model
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if (!_aircraft.get()) {
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_aircraft.reset(new SGModelPlacement);
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_aircraft->init(node);
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} else {
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_aircraft->add(node);
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}
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} // of model usage switch
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} // of models iteration
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// no models loaded, load the glider instead
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if (!_aircraft.get()) {
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SG_LOG(SG_AIRCRAFT, SG_ALERT, "(Falling back to glider.ac.)");
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osg::Node* model = fgLoad3DModelPanel( SGPath::fromUtf8("Models/Geometry/glider.ac"),
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globals->get_props());
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_aircraft.reset(new SGModelPlacement);
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_aircraft->init(model);
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}
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osg::Node* node = _aircraft->getSceneGraph();
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globals->get_scenery()->get_aircraft_branch()->addChild(node);
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if (_interior.get()) {
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node = _interior->getSceneGraph();
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globals->get_scenery()->get_interior_branch()->addChild(node);
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}
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// Register animated nodes and associated properties with Highlight.
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VisitorHighlight visitor_highlight;
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visitor_highlight.traverse(*node);
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}
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void
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FGAircraftModel::reinit()
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{
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shutdown();
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_fx->reinit();
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init();
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// TODO globally create signals for all subsystems (re)initialized
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fgSetBool("/sim/signals/model-reinit", true);
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}
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void
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FGAircraftModel::shutdown()
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{
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FGScenery* scenery = globals->get_scenery();
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if (_aircraft.get()) {
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if (scenery && scenery->get_aircraft_branch()) {
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scenery->get_aircraft_branch()->removeChild(_aircraft->getSceneGraph());
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}
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}
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if (_interior.get()) {
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if (scenery && scenery->get_interior_branch()) {
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scenery->get_interior_branch()->removeChild(_interior->getSceneGraph());
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}
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}
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_aircraft.reset();
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_interior.reset();
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}
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void
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FGAircraftModel::bind ()
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{
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_speed_n = fgGetNode("velocities/speed-north-fps", true);
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_speed_e = fgGetNode("velocities/speed-east-fps", true);
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_speed_d = fgGetNode("velocities/speed-down-fps", true);
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}
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void
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FGAircraftModel::unbind ()
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{
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_fx->unbind();
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}
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void
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FGAircraftModel::update (double dt)
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{
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int view_number = globals->get_viewmgr()->getCurrentViewIndex();
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int is_internal = fgGetBool("/sim/current-view/internal");
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if (view_number == 0 && !is_internal) {
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_aircraft->setVisible(false);
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} else {
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_aircraft->setVisible(true);
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}
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double heading, pitch, roll;
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globals->get_aircraft_orientation(heading, pitch, roll);
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SGQuatd orient = SGQuatd::fromYawPitchRollDeg(heading, pitch, roll);
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SGGeod pos = globals->get_aircraft_position();
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_aircraft->setPosition(pos);
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_aircraft->setOrientation(orient);
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_aircraft->update();
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if (_interior.get()) {
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_interior->setPosition(pos);
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_interior->setOrientation(orient);
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_interior->update();
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}
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// update model's audio sample values
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_fx->set_position_geod( pos );
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_fx->set_orientation( orient );
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_velocity = SGVec3d( _speed_n->getDoubleValue(),
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_speed_e->getDoubleValue(),
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_speed_d->getDoubleValue() );
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_fx->set_velocity( _velocity );
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float temp_c = fgGetFloat("/environment/temperature-degc");
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float humidity = fgGetFloat("/environment/relative-humidity");
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float pressure = fgGetFloat("/environment/pressure-inhg")*SG_INHG_TO_PA/1000.0f;
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_fx->set_atmosphere( temp_c, humidity, pressure );
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}
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// Register the subsystem.
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SGSubsystemMgr::Registrant<FGAircraftModel> registrantFGAircraftModel(
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SGSubsystemMgr::DISPLAY);
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// end of model.cxx
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