#ifndef _AIRCRAFT_HXX
#define _AIRCRAFT_HXX
-
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-
-#include <FDM/flight.hxx>
-#include <Main/fg_init.hxx>
-
-#include "controls.hxx"
-
+
+class FGInterface;
+class FGControls;
+class SGPropertyNode;
// Define a structure containing all the parameters for an aircraft
typedef struct{