X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Fairspeed_indicator.hxx;h=26dd15a525167c1b63c2a25e12289c07a1443741;hb=0b9adf8854398461333eba43df18fa2f5c8231a1;hp=2248a61b62301e0940237d9620df2c734355ad5b;hpb=5a16a28893d08133cd46dd7c00dbb19b0cec9d9d;p=flightgear.git

diff --git a/src/Instrumentation/airspeed_indicator.hxx b/src/Instrumentation/airspeed_indicator.hxx
index 2248a61b6..26dd15a52 100644
--- a/src/Instrumentation/airspeed_indicator.hxx
+++ b/src/Instrumentation/airspeed_indicator.hxx
@@ -14,6 +14,8 @@
 #include <simgear/props/props.hxx>
 #include <simgear/structure/subsystem_mgr.hxx>
 
+// forward decls
+class FGEnvironmentMgr;
 
 /**
  * Model an airspeed indicator tied to the pitot and static ports.
@@ -41,8 +43,9 @@ public:
     virtual void update (double dt);
 
 private:
+    void computeMach(double ias);
 
-    string _name;
+    std::string _name;
     unsigned int _num;
     string _total_pressure;
     string _static_pressure;
@@ -62,7 +65,10 @@ private:
     SGPropertyNode_ptr _speed_node;
     SGPropertyNode_ptr _airspeed_limit;
     SGPropertyNode_ptr _pressure_alt;
-    SGPropertyNode_ptr _mach;
+    SGPropertyNode_ptr _mach_node;
+    SGPropertyNode_ptr _tas_node;
+    
+    FGEnvironmentMgr* _environmentManager;
 };
 
 #endif // __INSTRUMENTS_AIRSPEED_INDICATOR_HXX