1
0
Fork 0
flightgear/src/FDM/JSBSim/FGTank.cpp
2000-11-03 23:02:47 +00:00

96 lines
2.8 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 = "$Header$";
static const char *IdHdr = ID_TANK;
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS IMPLEMENTATION
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
FGTank::FGTank(FGConfigFile* AC_cfg)
{
string type;
*AC_cfg >> type; // Type = 0: fuel, 1: oxidizer
if (type == "FUEL") Type = ttFUEL;
else if (type == "OXIDIZER") Type = ttOXIDIZER;
else Type = ttUNKNOWN;
*AC_cfg >> X; // inches
*AC_cfg >> Y; // "
*AC_cfg >> Z; // "
*AC_cfg >> Radius; // "
*AC_cfg >> Capacity; // pounds (amount it can hold)
*AC_cfg >> Contents; // pounds (amount it is holding)
Selected = true;
if (Capacity != 0) {
PctFull = 100.0*Contents/Capacity; // percent full; 0 to 100.0
} else {
Contents = 0;
PctFull = 0;
}
}
FGTank::~FGTank(void)
{
}
float FGTank::Reduce(float used)
{
float shortage;
if (used < Contents) {
Contents -= used;
PctFull = 100.0*Contents/Capacity;
return Contents;
} else {
shortage = Contents - used;
Contents = 0.0;
PctFull = 0.0;
Selected = false;
return shortage;
}
}