f6fde388a2
Untieing needs to be done prior to the destruction of the object which aggregated the TiedPropertyList. So the TiedPropertyLists destructor can't untie the properties automatically (and it doesn't). So, do some manual clean-up.
300 lines
8.8 KiB
C++
300 lines
8.8 KiB
C++
// TankProperties.cxx -- expose (fuel)-tank properties
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//
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// Written by Torsten Dreyer, started January 2011.
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//
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// Copyright (C) 2011 Torsten Dreyer - Torsten (at) t3r _dot_ de
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "TankProperties.hxx"
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#include <simgear/math/SGMath.hxx>
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#include <simgear/sg_inlines.h>
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#include <Main/fg_props.hxx>
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static const double LBS_PER_KG = 2.20462262;
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static const double KG_PER_LBS = 1.0/LBS_PER_KG;
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static const double USGAL_PER_M3 = 1000.0/3.785411784;
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static const double M3_PER_USGAL = 1.0/USGAL_PER_M3;
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static const double IMPGAL_PER_M3 = 1000.0/4.54609;
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static const double M3_PER_IMPGAL = 1.0/IMPGAL_PER_M3;
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TankProperties::TankProperties(SGPropertyNode_ptr rootNode ) :
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_content_kg(0.0),
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_density_kgpm3(0.0),
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_capacity_m3(0.0),
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_unusable_m3(0.0)
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{
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_tiedProperties.setRoot( rootNode );
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_tiedProperties.Tie("level-kg", this, &TankProperties::getContent_kg, &TankProperties::setContent_kg );
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_tiedProperties.Tie("density-kgpm3", this, &TankProperties::getDensity_kgpm3, &TankProperties::setDensity_kgpm3 );
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_tiedProperties.Tie("capacity-m3", this, &TankProperties::getCapacity_m3, &TankProperties::setCapacity_m3 );
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_tiedProperties.Tie("unusable-m3", this, &TankProperties::getUnusable_m3, &TankProperties::setUnusable_m3 );
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_tiedProperties.Tie("level-m3", this, &TankProperties::getContent_m3, &TankProperties::setContent_m3 );
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_tiedProperties.Tie("level-norm", this, &TankProperties::getContent_norm, &TankProperties::setContent_norm );
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_tiedProperties.Tie("density-ppg", this, &TankProperties::getDensity_ppg, &TankProperties::setDensity_ppg );
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_tiedProperties.Tie("level-lbs", this, &TankProperties::getContent_lbs, &TankProperties::setContent_lbs );
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_tiedProperties.Tie("level-gal_us", this, &TankProperties::getContent_gal_us, &TankProperties::setContent_gal_us );
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_tiedProperties.Tie("level-gal_imp", this, &TankProperties::getContent_gal_imp, &TankProperties::setContent_gal_imp );
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_tiedProperties.Tie("capacity-gal_us", this, &TankProperties::getCapacity_gal_us, &TankProperties::setCapacity_gal_us );
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_tiedProperties.Tie("unusable-gal_us", this, &TankProperties::getUnusable_gal_us, &TankProperties::setUnusable_gal_us );
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_tiedProperties.Tie("capacity-gal_imp", this, &TankProperties::getCapacity_gal_imp, &TankProperties::setCapacity_gal_imp );
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_tiedProperties.Tie("unusable-gal_imp", this, &TankProperties::getUnusable_gal_imp, &TankProperties::setUnusable_gal_imp );
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_tiedProperties.Tie("empty", this, &TankProperties::getEmpty );
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}
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TankProperties::~TankProperties()
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{
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}
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void TankProperties::unbind()
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{
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_tiedProperties.Untie();
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}
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double TankProperties::getContent_kg() const
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{
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return _content_kg;
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}
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void TankProperties::setContent_kg( double value )
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{
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_content_kg = SG_MAX2<double>(value, 0.0);
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}
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double TankProperties::getDensity_kgpm3() const
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{
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return _density_kgpm3;
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}
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void TankProperties::setDensity_kgpm3( double value )
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{
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_density_kgpm3 = SG_MAX2<double>(value, 0.0);
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}
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double TankProperties::getDensity_ppg() const
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{
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return _density_kgpm3 * LBS_PER_KG / USGAL_PER_M3;
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}
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void TankProperties::setDensity_ppg( double value )
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{
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_density_kgpm3 = SG_MAX2<double>(value * KG_PER_LBS / M3_PER_USGAL, 0.0);
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}
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double TankProperties::getContent_lbs() const
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{
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return _content_kg * LBS_PER_KG;
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}
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void TankProperties::setContent_lbs( double value )
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{
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_content_kg = SG_MAX2<double>(value * KG_PER_LBS, 0.0);
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}
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double TankProperties::getContent_m3() const
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{
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return _density_kgpm3 > SGLimitsd::min() ? _content_kg / _density_kgpm3 : 0.0;
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}
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void TankProperties::setContent_m3( double value )
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{
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// ugly hack to allow setting of a volumetric content without having the density
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_content_kg = SG_MAX2<double>(value * (_density_kgpm3>0.0?_density_kgpm3:755.0), 0.0);
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}
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double TankProperties::getContent_gal_us() const
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{
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return getContent_m3() * USGAL_PER_M3;
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}
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void TankProperties::setContent_gal_us( double value )
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{
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setContent_m3( value * M3_PER_USGAL );
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}
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double TankProperties::getContent_gal_imp() const
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{
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return getContent_m3() * IMPGAL_PER_M3;
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}
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void TankProperties::setContent_gal_imp( double value )
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{
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setContent_m3( value * M3_PER_IMPGAL );
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}
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double TankProperties::getCapacity_m3() const
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{
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return _capacity_m3;
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}
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void TankProperties::setCapacity_m3( double value )
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{
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_capacity_m3 = SG_MAX2<double>(value, 0.0);
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}
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double TankProperties::getCapacity_gal_us() const
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{
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return _capacity_m3 * USGAL_PER_M3;
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}
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void TankProperties::setCapacity_gal_us( double value )
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{
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_capacity_m3 = SG_MAX2<double>(value * M3_PER_USGAL, 0.0);
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}
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double TankProperties::getCapacity_gal_imp() const
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{
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return _capacity_m3 * IMPGAL_PER_M3;
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}
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void TankProperties::setCapacity_gal_imp( double value )
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{
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_capacity_m3 = SG_MAX2<double>(value * M3_PER_IMPGAL, 0.0);
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}
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double TankProperties::getUnusable_m3() const
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{
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return _unusable_m3;
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}
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void TankProperties::setUnusable_m3( double value )
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{
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_unusable_m3 = SG_MAX2<double>(value, 0.0);
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}
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double TankProperties::getUnusable_gal_us() const
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{
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return _unusable_m3 * USGAL_PER_M3;
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}
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void TankProperties::setUnusable_gal_us( double value )
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{
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_unusable_m3 = SG_MAX2<double>(value * M3_PER_USGAL, 0.0);
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}
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double TankProperties::getUnusable_gal_imp() const
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{
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return _unusable_m3 * IMPGAL_PER_M3;
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}
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void TankProperties::setUnusable_gal_imp( double value )
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{
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_unusable_m3 = SG_MAX2<double>(value * M3_PER_IMPGAL, 0.0);
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}
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double TankProperties::getContent_norm() const
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{
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return _capacity_m3 > SGLimitsd::min() ? getContent_m3() / _capacity_m3 : 0.0;
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}
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void TankProperties::setContent_norm( double value )
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{
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setContent_m3(_capacity_m3 * value);
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}
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bool TankProperties::getEmpty() const
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{
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return getContent_m3() <= _unusable_m3;
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}
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TankPropertiesList::TankPropertiesList( SGPropertyNode_ptr rootNode )
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{
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// we don't have a global rule how many tanks we support, so I assume eight.
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// Because hard coded values suck, make it settable by a property.
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// If tanks were configured, use that number
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int n = rootNode->getChildren("tank").size();
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if( n == 0 ) n = rootNode->getIntValue( "numtanks", 8 );
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for( int i = 0; i < n; i++ ) {
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push_back( new TankProperties( rootNode->getChild( "tank", i, true ) ) );
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}
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_tiedProperties.setRoot( rootNode );
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_tiedProperties.Tie("total-fuel-kg", this, &TankPropertiesList::getTotalContent_kg );
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_tiedProperties.Tie("total-fuel-lbs", this, &TankPropertiesList::getTotalContent_lbs );
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_tiedProperties.Tie("total-fuel-gal_us", this, &TankPropertiesList::getTotalContent_gal_us );
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_tiedProperties.Tie("total-fuel-gals", this, &TankPropertiesList::getTotalContent_gal_us );
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_tiedProperties.Tie("total-fuel-gal_imp", this, &TankPropertiesList::getTotalContent_gal_imp );
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_tiedProperties.Tie("total-fuel-norm", this, &TankPropertiesList::getTotalContent_norm );
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}
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double TankPropertiesList::getTotalContent_lbs() const
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{
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double value = 0.0;
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for( const_iterator it = begin(); it != end(); ++it )
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value += (*it)->getContent_lbs();
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return value;
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}
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double TankPropertiesList::getTotalContent_kg() const
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{
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double value = 0.0;
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for( const_iterator it = begin(); it != end(); ++it )
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value += (*it)->getContent_kg();
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return value;
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}
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double TankPropertiesList::getTotalContent_gal_us() const
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{
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double value = 0.0;
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for( const_iterator it = begin(); it != end(); ++it )
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value += (*it)->getContent_gal_us();
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return value;
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}
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double TankPropertiesList::getTotalContent_gal_imp() const
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{
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double value = 0.0;
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for( const_iterator it = begin(); it != end(); ++it )
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value += (*it)->getContent_gal_imp();
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return value;
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}
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double TankPropertiesList::getTotalContent_m3() const
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{
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double value = 0.0;
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for( const_iterator it = begin(); it != end(); ++it )
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value += (*it)->getContent_m3();
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return value;
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}
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double TankPropertiesList::getTotalContent_norm() const
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{
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double content = 0.0;
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double capacity = 0.0;
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for( const_iterator it = begin(); it != end(); ++it ) {
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content += (*it)->getContent_m3();
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capacity += (*it)->getCapacity_m3();
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}
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return capacity > SGLimitsd::min() ? content / capacity : 0.0;
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}
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void TankPropertiesList::unbind()
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{
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for( const_iterator it = begin(); it != end(); ++it ) {
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(*it)->unbind();
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}
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_tiedProperties.Untie();
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}
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