fdm_shell.hxx

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// fdm_shell.hxx -- encapsulate FDM implementations as well-behaved subsystems
//
// Written by James Turner, started June 2010.
//
// Copyright (C) 2010  Curtis L. Olson  - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// $Id$
 
#ifndef FG_FDM_SHELL_HXX
#define FG_FDM_SHELL_HXX
 
#include <simgear/math/SGGeod.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
 
#include "TankProperties.hxx"
 
// forward decls
class FGInterface;
class FGAIManager;

class FDMShell : public SGSubsystem
{
public:
    FDMShell();
    ~FDMShell() override;
 
    // Subsystem API.
    void bind() override;
    void init() override;
    void postinit() override;
    void reinit() override;
    void shutdown() override;
    void unbind() override;
    void update(double dt) override;
 
    // Subsystem identification.
    static const char* staticSubsystemClassId() { return "flight"; }
 
    FGInterface* getInterface() const;
 
private:
    void createImplementation();
 
    void validateOutputProperties();
 
    void doInitAndBind();
 
private:
    TankPropertiesList _tankProperties;
    SGSharedPtr<FGInterface> _impl;
    SGPropertyNode_ptr _props; // root property tree for this FDM instance
    bool _dataLogging = false;
 
    bool _nanCheckFailed = false; 
    SGGeod _lastValidPos;
 
    SGPropertyNode_ptr _wind_north, _wind_east,_wind_down;
    SGPropertyNode_ptr _control_fdm_atmo,_temp_degc,_pressure_inhg;
    SGPropertyNode_ptr _density_slugft, _data_logging, _replay_master;
 
    SGPropertyNode_ptr _initialFdmProperties;
 
    SGSharedPtr<FGAIManager> _ai_mgr;
    SGPropertyNode_ptr _max_radius_nm;
    SGPropertyNode_ptr _ai_wake_enabled;
};
 
#endif // of FG_FDM_SHELL_HXX