1 // vacuum.hxx - a vacuum pump connected to the aircraft engine.
2 // Written by David Megginson, started 2002.
4 // This file is in the Public Domain and comes with no warranty.
7 #ifndef __SYSTEMS_VACUUM_HXX
8 #define __SYSTEMS_VACUUM_HXX 1
11 # error This library requires C++
14 #include <simgear/props/props.hxx>
15 #include <simgear/structure/subsystem_mgr.hxx>
19 * Model a vacuum-pump system.
21 * This first, simple draft is hard-wired to engine #1.
26 * /environment/pressure-inhg
27 * /systems/"name"/serviceable
31 * /systems/"name"/suction-inhg
33 class VacuumSystem : public SGSubsystem
38 VacuumSystem( SGPropertyNode *node );
39 VacuumSystem( int i );
40 virtual ~VacuumSystem ();
44 virtual void unbind ();
45 virtual void update (double dt);
53 SGPropertyNode_ptr _serviceable_node;
54 SGPropertyNode_ptr _rpm_node;
55 SGPropertyNode_ptr _pressure_node;
56 SGPropertyNode_ptr _suction_node;
60 #endif // __SYSTEMS_VACUUM_HXX