//
// This file is in the Public Domain, and comes with no warranty.
+#ifdef _MSC_VER
+# pragma warning( disable: 4355 )
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include <simgear/compiler.h>
+#include <algorithm>
+#include <functional>
#include <vector>
+#include <cstring>
-#include <plib/ssg.h>
+#include <osg/Math>
#include <simgear/scene/model/placement.hxx>
-#include <simgear/scene/model/model.hxx>
+#include <simgear/scene/model/modellib.hxx>
+#include <simgear/structure/exception.hxx>
#include <Main/fg_props.hxx>
#include <Scenery/scenery.hxx>
#include "modelmgr.hxx"
-SG_USING_STD(vector);
+using std::vector;
+
+using namespace simgear;
+// OSGFIXME
+// extern SGShadowVolume *shadows;
FGModelMgr::FGModelMgr ()
- : _selector(new ssgSelector)
+ : _models(fgGetNode("/models", true)),
+ _listener(new Listener(this))
{
+ _models->addChangeListener(_listener);
}
FGModelMgr::~FGModelMgr ()
{
+ _models->removeChangeListener(_listener);
+ delete _listener;
+
for (unsigned int i = 0; i < _instances.size(); i++) {
- globals->get_scenery()->get_models_branch()
- ->removeKid(_instances[i]->model->getSceneGraph());
+ globals->get_scenery()->get_scene_graph()
+ ->removeChild(_instances[i]->model->getSceneGraph());
delete _instances[i];
}
}
void
FGModelMgr::init ()
{
- vector<SGPropertyNode_ptr> model_nodes =
- fgGetNode("/models", true)->getChildren("model");
- for (unsigned int i = 0; i < model_nodes.size(); i++) {
- SGPropertyNode * node = model_nodes[i];
- SG_LOG(SG_GENERAL, SG_INFO,
- "Adding model " << node->getStringValue("name", "[unnamed]"));
- Instance * instance = new Instance;
- SGModelPlacement *model = new SGModelPlacement;
- instance->model = model;
- ssgBranch *object
- = sgLoad3DModel( globals->get_fg_root(),
- node->getStringValue("path",
- "Models/Geometry/glider.ac"),
- globals->get_props(),
- globals->get_sim_time_sec() );
- model->init( object );
+ vector<SGPropertyNode_ptr> model_nodes = _models->getChildren("model");
+
+ for (unsigned int i = 0; i < model_nodes.size(); i++)
+ add_model(model_nodes[i]);
+}
+
+void
+FGModelMgr::add_model (SGPropertyNode * node)
+{
+ SG_LOG(SG_AIRCRAFT, SG_INFO,
+ "Adding model " << node->getStringValue("name", "[unnamed]"));
+
+ const char *path = node->getStringValue("path", "Models/Geometry/glider.ac");
+ osg::Node *object;
+
+ try {
+ object = SGModelLib::loadDeferredModel(path, globals->get_props());
+ } catch (const sg_throwable& t) {
+ SG_LOG(SG_AIRCRAFT, SG_ALERT, "Error loading " << path << ":\n "
+ << t.getFormattedMessage() << t.getOrigin());
+ return;
+ }
+
+ Instance * instance = new Instance;
+ SGModelPlacement *model = new SGModelPlacement;
+ instance->model = model;
+ instance->node = node;
+
+ model->init( object );
// Set position and orientation either
// indirectly through property refs
// or directly with static values.
- SGPropertyNode * child = node->getChild("longitude-deg-prop");
- if (child != 0)
- instance->lon_deg_node = fgGetNode(child->getStringValue(), true);
- else
- model->setLongitudeDeg(node->getDoubleValue("longitude-deg"));
-
- child = node->getChild("latitude-deg-prop");
- if (child != 0)
- instance->lat_deg_node = fgGetNode(child->getStringValue(), true);
- else
- model->setLatitudeDeg(node->getDoubleValue("latitude-deg"));
-
- child = node->getChild("elevation-ft-prop");
- if (child != 0)
- instance->elev_ft_node = fgGetNode(child->getStringValue(), true);
- else
- model->setElevationFt(node->getDoubleValue("elevation-ft"));
-
- child = node->getChild("roll-deg-prop");
- if (child != 0)
- instance->roll_deg_node = fgGetNode(child->getStringValue(), true);
- else
- model->setRollDeg(node->getDoubleValue("roll-deg"));
-
- child = node->getChild("pitch-deg-prop");
- if (child != 0)
- instance->pitch_deg_node = fgGetNode(child->getStringValue(), true);
- else
- model->setPitchDeg(node->getDoubleValue("pitch-deg"));
-
- child = node->getChild("heading-deg-prop");
- if (child != 0)
- instance->heading_deg_node = fgGetNode(child->getStringValue(), true);
- else
- model->setHeadingDeg(node->getDoubleValue("heading-deg"));
-
- // Add this model to the global scene graph
- globals->get_scenery()->get_scene_graph()->addKid(model->getSceneGraph());
-
- // Save this instance for updating
- add_instance(instance);
- }
+ SGPropertyNode * child = node->getChild("longitude-deg-prop");
+ if (child != 0)
+ instance->lon_deg_node = fgGetNode(child->getStringValue(), true);
+ else
+ model->setLongitudeDeg(node->getDoubleValue("longitude-deg"));
+
+ child = node->getChild("latitude-deg-prop");
+ if (child != 0)
+ instance->lat_deg_node = fgGetNode(child->getStringValue(), true);
+ else
+ model->setLatitudeDeg(node->getDoubleValue("latitude-deg"));
+
+ child = node->getChild("elevation-ft-prop");
+ if (child != 0)
+ instance->elev_ft_node = fgGetNode(child->getStringValue(), true);
+ else
+ model->setElevationFt(node->getDoubleValue("elevation-ft"));
+
+ child = node->getChild("roll-deg-prop");
+ if (child != 0)
+ instance->roll_deg_node = fgGetNode(child->getStringValue(), true);
+ else
+ model->setRollDeg(node->getDoubleValue("roll-deg"));
+
+ child = node->getChild("pitch-deg-prop");
+ if (child != 0)
+ instance->pitch_deg_node = fgGetNode(child->getStringValue(), true);
+ else
+ model->setPitchDeg(node->getDoubleValue("pitch-deg"));
+
+ child = node->getChild("heading-deg-prop");
+ if (child != 0)
+ instance->heading_deg_node = fgGetNode(child->getStringValue(), true);
+ else
+ model->setHeadingDeg(node->getDoubleValue("heading-deg"));
+
+ // Add this model to the global scene graph
+ globals->get_scenery()->get_scene_graph()->addChild(model->getSceneGraph());
+
+
+ // Save this instance for updating
+ add_instance(instance);
}
void
{
}
+namespace
+{
+double testNan(double val) throw (sg_range_exception)
+{
+ if (osg::isNaN(val))
+ throw sg_range_exception("value is nan");
+ return val;
+}
+
+struct UpdateFunctor : public std::unary_function<FGModelMgr::Instance*, void>
+{
+ void operator()(FGModelMgr::Instance* instance) const
+ {
+ SGModelPlacement* model = instance->model;
+ double lon, lat, elev, roll, pitch, heading;
+ lon = lat = elev = roll = pitch = heading = 0.0;
+
+ try {
+ // Optionally set position from properties
+ if (instance->lon_deg_node != 0)
+ lon = testNan(instance->lon_deg_node->getDoubleValue());
+ if (instance->lat_deg_node != 0)
+ lat = testNan(instance->lat_deg_node->getDoubleValue());
+ if (instance->elev_ft_node != 0)
+ elev = testNan(instance->elev_ft_node->getDoubleValue());
+
+ // Optionally set orientation from properties
+ if (instance->roll_deg_node != 0)
+ roll = testNan(instance->roll_deg_node->getDoubleValue());
+ if (instance->pitch_deg_node != 0)
+ pitch = testNan(instance->pitch_deg_node->getDoubleValue());
+ if (instance->heading_deg_node != 0)
+ heading = testNan(instance->heading_deg_node->getDoubleValue());
+ } catch (const sg_range_exception&) {
+ const char *path = instance->node->getStringValue("path",
+ "unknown");
+ SG_LOG(SG_AIRCRAFT, SG_INFO, "Instance of model " << path
+ << " has invalid values");
+ return;
+ }
+ // Optionally set position from properties
+ if (instance->lon_deg_node != 0)
+ model->setLongitudeDeg(lon);
+ if (instance->lat_deg_node != 0)
+ model->setLatitudeDeg(lat);
+ if (instance->elev_ft_node != 0)
+ model->setElevationFt(elev);
+
+ // Optionally set orientation from properties
+ if (instance->roll_deg_node != 0)
+ model->setRollDeg(roll);
+ if (instance->pitch_deg_node != 0)
+ model->setPitchDeg(pitch);
+ if (instance->heading_deg_node != 0)
+ model->setHeadingDeg(heading);
+
+ instance->model->update();
+ }
+};
+}
+
void
FGModelMgr::update (double dt)
{
- for (unsigned int i = 0; i < _instances.size(); i++) {
- Instance * instance = _instances[i];
- SGModelPlacement * model = instance->model;
-
- // Optionally set position from properties
- if (instance->lon_deg_node != 0)
- model->setLongitudeDeg(instance->lon_deg_node->getDoubleValue());
- if (instance->lat_deg_node != 0)
- model->setLatitudeDeg(instance->lat_deg_node->getDoubleValue());
- if (instance->elev_ft_node != 0)
- model->setElevationFt(instance->elev_ft_node->getDoubleValue());
-
- // Optionally set orientation from properties
- if (instance->roll_deg_node != 0)
- model->setRollDeg(instance->roll_deg_node->getDoubleValue());
- if (instance->pitch_deg_node != 0)
- model->setPitchDeg(instance->pitch_deg_node->getDoubleValue());
- if (instance->heading_deg_node != 0)
- model->setHeadingDeg(instance->heading_deg_node->getDoubleValue());
-
- instance->model->update( globals->get_scenery()->get_center() );
- }
+ std::for_each(_instances.begin(), _instances.end(), UpdateFunctor());
}
void
}
}
-void
-FGModelMgr::draw ()
-{
-// ssgSetNearFar(_nearplane, _farplane);
-// ssgCullAndDraw(_scene);
-}
-
-
\f
////////////////////////////////////////////////////////////////////////
// Implementation of FGModelMgr::Instance
FGModelMgr::Instance::Instance ()
: model(0),
+ node(0),
lon_deg_node(0),
lat_deg_node(0),
elev_ft_node(0),
roll_deg_node(0),
pitch_deg_node(0),
- heading_deg_node(0)
+ heading_deg_node(0),
+ shadow(false)
{
}
delete model;
}
+
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of FGModelMgr::Listener
+////////////////////////////////////////////////////////////////////////
+
+void
+FGModelMgr::Listener::childAdded(SGPropertyNode * parent, SGPropertyNode * child)
+{
+ if (strcmp(parent->getName(), "model") || strcmp(child->getName(), "load"))
+ return;
+
+ _mgr->add_model(parent);
+}
+
+void
+FGModelMgr::Listener::childRemoved(SGPropertyNode * parent, SGPropertyNode * child)
+{
+ if (strcmp(parent->getName(), "models") || strcmp(child->getName(), "model"))
+ return;
+
+ // search instance by node and remove it from scenegraph
+ vector<Instance *>::iterator it = _mgr->_instances.begin();
+ vector<Instance *>::iterator end = _mgr->_instances.end();
+
+ for (; it != end; ++it) {
+ Instance *instance = *it;
+ if (instance->node != child)
+ continue;
+
+ _mgr->_instances.erase(it);
+ osg::Node *branch = instance->model->getSceneGraph();
+ // OSGFIXME
+// if (shadows && instance->shadow)
+// shadows->deleteOccluder(branch);
+ globals->get_scenery()->get_scene_graph()->removeChild(branch);
+
+ delete instance;
+ break;
+ }
+}
+
// end of modelmgr.cxx
projects / flightgear.git / blobdiff