Autopilot: add interface properties and property-root.

[flightgear.git] / src / Model / modelmgr.cxx

diff --git a/src/Model/modelmgr.cxx b/src/Model/modelmgr.cxx
index 449c3bedc8ff0ce5598391ea68c186c8d60a90fb..46ed240f4c8d2f17c7e3d17a4e099bc8d484ad0c 100644 (file)
--- a/src/Model/modelmgr.cxx
+++ b/src/Model/modelmgr.cxx
@@ -69,13 +69,14 @@ 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");
+  const char *model_path = node->getStringValue("path", "Models/Geometry/glider.ac");
   osg::Node *object;
 
   try {
-      object = SGModelLib::loadDeferredModel(path, globals->get_props());
+      std::string fullPath = simgear::SGModelLib::findDataFile(model_path);
+      object = SGModelLib::loadDeferredModel(fullPath, globals->get_props());
   } catch (const sg_throwable& t) {
-    SG_LOG(SG_AIRCRAFT, SG_ALERT, "Error loading " << path << ":\n  "
+    SG_LOG(SG_AIRCRAFT, SG_ALERT, "Error loading " << model_path << ":\n  "
         << t.getFormattedMessage() << t.getOrigin());
     return;
   }
@@ -86,27 +87,25 @@ FGModelMgr::add_model (SGPropertyNode * node)
   instance->node = node;
 
   model->init( object );
-
-                               // Set position and orientation either
-                               // indirectly through property refs
-                               // or directly with static values.
+    double lon = node->getDoubleValue("longitude-deg"),
+        lat = node->getDoubleValue("latitude-deg"),
+        elevFt = node->getDoubleValue("elevation-ft");
+
+    model->setPosition(SGGeod::fromDegFt(lon, lat, elevFt));
+// 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)
@@ -158,18 +157,19 @@ 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;
-
+        double roll, pitch, heading;
+        roll = pitch = heading = 0.0;
+        SGGeod pos = model->getPosition();
+        
         try {
             // Optionally set position from properties
             if (instance->lon_deg_node != 0)
-                lon = testNan(instance->lon_deg_node->getDoubleValue());
+                pos.setLongitudeDeg(testNan(instance->lon_deg_node->getDoubleValue()));
             if (instance->lat_deg_node != 0)
-                lat = testNan(instance->lat_deg_node->getDoubleValue());
+                pos.setLatitudeDeg(testNan(instance->lat_deg_node->getDoubleValue()));
             if (instance->elev_ft_node != 0)
-                elev = testNan(instance->elev_ft_node->getDoubleValue());
-
+                pos.setElevationFt(testNan(instance->elev_ft_node->getDoubleValue()));
+            
             // Optionally set orientation from properties
             if (instance->roll_deg_node != 0)
                 roll = testNan(instance->roll_deg_node->getDoubleValue());
@@ -184,14 +184,8 @@ struct UpdateFunctor : public std::unary_function<FGModelMgr::Instance*, void>
                    << " 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);
 
+        model->setPosition(pos);
         // Optionally set orientation from properties
         if (instance->roll_deg_node != 0)
             model->setRollDeg(roll);