5a849b66e8
- changed FGSubsystem::update(int) to FGSubsystem::update(delta_time_sec); the argument is now delta time in seconds rather than milliseconds - added FGSubsystem::suspend(), FGSubsystem::suspend(bool), FGSubsystem::resume(), and FGSubsystem::is_suspended(), all with default implementations; is_suspended takes account of the master freeze as well as the subsystem's individual suspended state - the FDMs now use the delta time argument the same as the rest of FlightGear; formerly, main.cxx made a special case and passed a multiloop argument - FDMs now calculate multiloop internally instead of relying on main.cxx There are probably some problems -- I've done basic testing with the major FDMs and subsystems, but we'll probably need a few weeks to sniff out bugs.
75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
// environment-mgr.hxx -- manager for natural environment information.
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//
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// Written by David Megginson, started February 2002.
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//
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// Copyright (C) 2002 David Megginson - david@megginson.com
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef _ENVIRONMENT_MGR_HXX
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#define _ENVIRONMENT_MGR_HXX
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#include <simgear/compiler.h>
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#include <Main/fgfs.hxx>
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#ifdef SG_HAVE_STD_INCLUDES
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# include <cmath>
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#else
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# include <math.h>
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#endif
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class FGEnvironment;
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class FGEnvironmentCtrl;
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/**
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* Manage environment information.
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*/
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class FGEnvironmentMgr : public FGSubsystem
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{
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public:
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FGEnvironmentMgr ();
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virtual ~FGEnvironmentMgr ();
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virtual void init ();
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virtual void bind ();
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virtual void unbind ();
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virtual void update (double dt);
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/**
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* Get the environment information for the plane's current position.
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*/
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virtual const FGEnvironment * getEnvironment () const;
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/**
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* Get the environment information for another location.
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*/
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virtual const FGEnvironment * getEnvironment (double lat, double lon,
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double alt) const;
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private:
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FGEnvironment * _environment; // always the same, for now
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FGEnvironmentCtrl * _controller; // always the same, for now
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};
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#endif // _ENVIRONMENT_MGR_HXX
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