//
// This file is in the Public Domain, and comes with no warranty.
-#include <plib/ssg.h>
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <simgear/compiler.h>
+
+#include <vector>
+
+#include <simgear/scene/model/placement.hxx>
+#include <simgear/scene/model/modellib.hxx>
+#include <simgear/structure/exception.hxx>
#include <Main/fg_props.hxx>
#include <Scenery/scenery.hxx>
-#include "model.hxx"
-#include "placement.hxx"
#include "modelmgr.hxx"
+SG_USING_STD(vector);
+
+// 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");
+ vector<SGPropertyNode_ptr> model_nodes = _models->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;
- FGModelPlacement *model = new FGModelPlacement;
- instance->model = model;
- ssgBranch *object
- = fgLoad3DModel( globals->get_fg_root(),
- node->getStringValue("path",
- "Models/Geometry/glider.ac"),
- globals->get_props(),
- globals->get_sim_time_sec() );
- model->init( object );
+ try {
+ add_model(model_nodes[i]);
+ } catch (const sg_throwable& t) {
+ SG_LOG(SG_GENERAL, SG_ALERT, t.getFormattedMessage() << t.getOrigin());
+ }
+ }
+}
+
+void
+FGModelMgr::add_model (SGPropertyNode * node)
+{
+ SG_LOG(SG_GENERAL, SG_INFO,
+ "Adding model " << node->getStringValue("name", "[unnamed]"));
+ Instance * instance = new Instance;
+ SGModelPlacement *model = new SGModelPlacement;
+ instance->model = model;
+ instance->node = node;
+ SGModelLib *model_lib = globals->get_model_lib();
+ osg::Node *object = model_lib->load_model(
+ globals->get_fg_root(),
+ node->getStringValue("path",
+ "Models/Geometry/glider.ac"),
+ globals->get_props(),
+ globals->get_sim_time_sec(), /*cache_object=*/false);
+
+ 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
{
for (unsigned int i = 0; i < _instances.size(); i++) {
Instance * instance = _instances[i];
- FGModelPlacement * model = instance->model;
+ SGModelPlacement * model = instance->model;
// Optionally set position from properties
if (instance->lon_deg_node != 0)
if (instance->heading_deg_node != 0)
model->setHeadingDeg(instance->heading_deg_node->getDoubleValue());
- instance->model->update( globals->get_scenery()->get_center() );
+ instance->model->update();
+
+ // OSGFIXME
+// if (shadows && !instance->shadow) {
+// osg::Node *branch = instance->model->getSceneGraph();
+// shadows->addOccluder(branch, SGShadowVolume::occluderTypeTileObject);
+// instance->shadow = true;
+// }
}
}
}
}
-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;
+
+ try {
+ _mgr->add_model(parent);
+ } catch (const sg_throwable& t) {
+ SG_LOG(SG_GENERAL, SG_ALERT, t.getFormattedMessage() << t.getOrigin());
+ }
+}
+
+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