X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Fairspeed_indicator.hxx;h=1df6fe09b482a819ebb6f5c30f2dd438a24b1997;hb=6acf1c12fc02d6dfd29de894b033ce163640d7ae;hp=0a35406ae4fd59b4f6a93a91d64d742b4a7012fe;hpb=93237f1b379a536554fa5eaabd7ba1861c609ea4;p=flightgear.git

diff --git a/src/Instrumentation/airspeed_indicator.hxx b/src/Instrumentation/airspeed_indicator.hxx
index 0a35406ae..1df6fe09b 100644
--- a/src/Instrumentation/airspeed_indicator.hxx
+++ b/src/Instrumentation/airspeed_indicator.hxx
@@ -1,6 +1,7 @@
 // airspeed_indicator.hxx - a regular VSI tied to the static port.
 // Written by David Megginson, started 2002.
 //
+// Last modified by Eric van den Berg, 24 Nov 2012
 // This file is in the Public Domain and comes with no warranty.
 
 
@@ -14,6 +15,9 @@
 #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.
  *
@@ -27,6 +31,8 @@
  * Output properties:
  *
  * /instrumentation/"name"/indicated-speed-kt
+ * /instrumentation/"name"/true-speed-kt
+ * /instrumentation/"name"/indicated-mach
  */
 class AirspeedIndicator : public SGSubsystem
 {
@@ -41,7 +47,7 @@ public:
     virtual void update (double dt);
 
 private:
-    void computeMach(double ias);
+    void computeMach();
 
     std::string _name;
     unsigned int _num;
@@ -65,8 +71,8 @@ private:
     SGPropertyNode_ptr _pressure_alt;
     SGPropertyNode_ptr _mach_node;
     SGPropertyNode_ptr _tas_node;
-    SGPropertyNode_ptr _sea_level_pressure_node;
-    SGPropertyNode_ptr _oat_celsius_node;
+    
+    FGEnvironmentMgr* _environmentManager;
 };
 
 #endif // __INSTRUMENTS_AIRSPEED_INDICATOR_HXX