Bugfix: pause works for JSBsim/Yasim again

diff --git a/src/FDM/flight.cxx b/src/FDM/flight.cxx
index bd9be3aa1b4cf2661730c280f8f718af26b49c65..7141dbc1856413eddfc229f2c49b1c669db7057c 100644 (file)
--- a/src/FDM/flight.cxx
+++ b/src/FDM/flight.cxx
@@ -62,8 +62,12 @@ FGInterface::~FGInterface() {
 }
 
 int
-FGInterface::_calc_multiloop (double)
+FGInterface::_calc_multiloop (double dt)
 {
+    if (dt == 0.0) {
+        return 0; // paused
+    }
+
     // this method is now obsolete - multiloop is handled by
     // SGSubsystemGroup; the FDM group operates with a fixed time interval
     // (defined by /sim/model-hz), so at this level we always want to run