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flightgear/src/FDM/JSBSim/FGTank.cpp
2001-11-12 16:06:29 +00:00

125 lines
3.8 KiB
C++

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Module: FGTank.cpp
Author: Jon Berndt
Date started: 01/21/99
Called by: FGAircraft
------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
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., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA.
Further information about the GNU General Public License can also be found on
the world wide web at http://www.gnu.org.
FUNCTIONAL DESCRIPTION
--------------------------------------------------------------------------------
See header file.
HISTORY
--------------------------------------------------------------------------------
01/21/99 JSB Created
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
INCLUDES
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
#include "FGTank.h"
static const char *IdSrc = "$Id$";
static const char *IdHdr = ID_TANK;
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS IMPLEMENTATION
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
#if !defined ( sgi ) || defined( __GNUC__ )
using std::cerr;
using std::endl;
using std::cout;
#endif
FGTank::FGTank(FGConfigFile* AC_cfg)
{
string type = AC_cfg->GetValue("TYPE");
string token;
if (type == "FUEL") Type = ttFUEL;
else if (type == "OXIDIZER") Type = ttOXIDIZER;
else Type = ttUNKNOWN;
AC_cfg->GetNextConfigLine();
while ((token = AC_cfg->GetValue()) != "/AC_TANK") {
if (token == "XLOC") *AC_cfg >> X;
else if (token == "YLOC") *AC_cfg >> Y;
else if (token == "ZLOC") *AC_cfg >> Z;
else if (token == "RADIUS") *AC_cfg >> Radius;
else if (token == "CAPACITY") *AC_cfg >> Capacity;
else if (token == "CONTENTS") *AC_cfg >> Contents;
else cerr << "Unknown identifier: " << token << " in tank definition." << endl;
}
Selected = true;
if (Capacity != 0) {
PctFull = 100.0*Contents/Capacity; // percent full; 0 to 100.0
} else {
Contents = 0;
PctFull = 0;
}
if (debug_lvl > 0) {
cout << " " << type << " tank holds " << Capacity << " lbs. " << type << endl;
cout << " currently at " << PctFull << "% of maximum capacity" << endl;
cout << " Tank location (X, Y, Z): " << X << ", " << Y << ", " << Z << endl;
cout << " Effective radius: " << Radius << " inches" << endl;
}
if (debug_lvl & 2) cout << "Instantiated: FGTank" << endl;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
FGTank::~FGTank()
{
if (debug_lvl & 2) cout << "Destroyed: FGTank" << endl;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
float FGTank::Reduce(float used)
{
float shortage;
if (used < Contents) {
Contents -= used;
PctFull = 100.0*Contents/Capacity;
return 0.0;
} else {
shortage = Contents - used;
Contents = 0.0;
PctFull = 0.0;
Selected = false;
return shortage;
}
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
void FGTank::Debug(void)
{
//TODO: Add your source code here
}