Make more use of SGGeod

[flightgear.git] / src / Instrumentation / heading_indicator.cxx

diff --git a/src/Instrumentation/heading_indicator.cxx b/src/Instrumentation/heading_indicator.cxx
index 8878e3ba13c79f25f311a3fb33d4a1478fbe10aa..4ab01a60f43115ca8cc5326266d86e567d0ce1bb 100644 (file)
--- a/src/Instrumentation/heading_indicator.cxx
+++ b/src/Instrumentation/heading_indicator.cxx
@@ -3,6 +3,11 @@
 //
 // This file is in the Public Domain and comes with no warranty.
 
+#include <simgear/compiler.h>
+#include STL_IOSTREAM
+#include STL_STRING
+#include <sstream>
+
 #include "heading_indicator.hxx"
 #include <Main/fg_props.hxx>
 #include <Main/util.hxx>
@@ -56,30 +61,32 @@ HeadingIndicator::init ()
     _heading_out_node = node->getChild("indicated-heading-deg", 0, true);
     _last_heading_deg = (_heading_in_node->getDoubleValue() +
                          _offset_node->getDoubleValue());
-
-    //_serviceable_node->setBoolValue(true);
 }
 
 void
 HeadingIndicator::bind ()
 {
+    std::ostringstream temp;
     string branch;
-    branch = "/instrumentation/" + name + "/serviceable";
-    fgTie(branch.c_str(),
+    temp << num;
+    branch = "/instrumentation/" + name + "[" + temp.str() + "]";
+
+    fgTie((branch + "/serviceable").c_str(),
           &_gyro, &Gyro::is_serviceable, &Gyro::set_serviceable);
-    branch = "/instrumentation/" + name + "/spin";
-    fgTie(branch.c_str(),
+    fgTie((branch + "/spin").c_str(),
           &_gyro, &Gyro::get_spin_norm, &Gyro::set_spin_norm);
 }
 
 void
 HeadingIndicator::unbind ()
 {
+    std::ostringstream temp;
     string branch;
-    branch = "/instrumentation/" + name + "/serviceable";
-    fgUntie(branch.c_str());
-    branch = "/instrumentation/" + name + "/spin";
-    fgUntie(branch.c_str());
+    temp << num;
+    branch = "/instrumentation/" + name + "[" + temp.str() + "]";
+
+    fgUntie((branch + "/serviceable").c_str());
+    fgUntie((branch + "/spin").c_str());
 }
 
 void