76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
// logic.cxx - Base class for logic components
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//
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// Written by Torsten Dreyer
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//
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// Copyright (C) 2004 Curtis L. Olson - http://www.flightgear.org/~curt
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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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// for some obscure reason, MSVC needs this to compile
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#ifdef _MSC_VER
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#ifndef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#endif
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#include "logic.hxx"
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using namespace FGXMLAutopilot;
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bool Logic::get_input() const
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{
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// return state of first configured condition
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InputMap::const_iterator it = _input.begin();
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if( it == _input.end() ) return false; // no inputs?
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return (*it).second->test();
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}
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void Logic::set_output( bool value )
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{
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// respect global inverted flag
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if( _inverted ) value = !value;
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// set all outputs to the given value
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for( OutputMap::iterator it = _output.begin(); it != _output.end(); ++it )
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(*it).second->setValue( value );
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}
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bool Logic::get_output() const
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{
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OutputMap::const_iterator it = _output.begin();
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bool q = it != _output.end() ? (*it).second->getValue() : false;
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return _inverted ? !q : q;
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}
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void Logic::update( bool firstTime, double dt )
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{
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if(_debug) {
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bool q = get_output();
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bool a = get_input();
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if( a != q ) {
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using std::endl;
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using std::cout;
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cout << "updating logic \"" << subsystemId() << "\"" << endl;
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cout << "prev. Output:" << q << endl;
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cout << "new Output:" << a << endl;
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}
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}
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set_output( get_input() );
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}
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// Register the subsystem.
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SGSubsystemMgr::Registrant<Logic> registrantLogic;
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