85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
/*******************************************************************************
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Module: FGTank.cpp
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Author: Jon Berndt
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Date started: 01/21/99
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Called by: FGAircraft
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------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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FUNCTIONAL DESCRIPTION
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--------------------------------------------------------------------------------
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See header file.
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HISTORY
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--------------------------------------------------------------------------------
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01/21/99 JSB Created
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********************************************************************************
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INCLUDES
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*******************************************************************************/
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#include "FGTank.h"
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/*******************************************************************************
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************************************ CODE **************************************
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*******************************************************************************/
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FGTank::FGTank(ifstream& acfile)
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{
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string type;
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acfile >> type; // Type = 0: fuel, 1: oxidizer
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if (type == "FUEL") Type = ttFUEL;
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else if (type == "OXIDIZER") Type = ttOXIDIZER;
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else Type = ttUNKNOWN;
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acfile >> X; // inches
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acfile >> Y; // "
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acfile >> Z; // "
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acfile >> Radius; // "
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acfile >> Capacity; // pounds (amount it can hold)
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acfile >> Contents; // pounds (amount it is holding)
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Selected = true;
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PctFull = 100.0*Contents/Capacity; // percent full; 0 to 100.0
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}
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FGTank::~FGTank(void)
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{
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}
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float FGTank::Reduce(float used)
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{
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float shortage;
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if (used < Contents) {
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Contents -= used;
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PctFull = 100.0*Contents/Capacity;
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return Contents;
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} else {
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shortage = Contents - used;
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Contents = 0.0;
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PctFull = 0.0;
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Selected = false;
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return shortage;
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}
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}
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