Bind a new property, /sim/time/elapsed-ms, giving the number of

milliseconds elapsed since the simulation began.

diff --git a/src/Main/fg_props.cxx b/src/Main/fg_props.cxx
index a65196ca9a6fdc0ff30dd69e4932850549bc45b5..0b0ca687bfd0be78969d2afbfd2da7306941e7d2 100644 (file)
--- a/src/Main/fg_props.cxx
+++ b/src/Main/fg_props.cxx
@@ -454,6 +454,16 @@ setPilotPositionZOffset (float z)
 }
 
 
+/**
+ * Return the number of milliseconds elapsed since simulation started.
+ */
+static long
+getElapsedTime_ms ()
+{
+  return globals->get_elapsed_time_ms();
+}
+
+
 /**
  * Return the current Zulu time.
  */
@@ -808,6 +818,7 @@ fgInitProps ()
   fgTie("/sim/view/pilot/z-offset-m",
        getPilotPositionZOffset, setPilotPositionZOffset);
   fgSetArchivable("/sim/view/pilot/z-offset-m");
+  fgTie("/sim/time/elapsed-ms", getElapsedTime_ms);
   fgTie("/sim/time/gmt", getDateString, setDateString);
   fgSetArchivable("/sim/time/gmt");
   fgTie("/sim/time/gmt-string", getGMTString);