]> git.mxchange.org Git - flightgear.git/blob - JSBsim/FGTank.cpp
Added initial support for native SGI compilers.
[flightgear.git] / JSBsim / FGTank.cpp
1 /*******************************************************************************
2
3  Module:       FGTank.cpp
4  Author:       Jon Berndt
5  Date started: 01/21/99
6  Called by:    FGAircraft
7
8  ------------- Copyright (C) 1999  Jon S. Berndt (jsb@hal-pc.org) -------------
9
10  This program is free software; you can redistribute it and/or modify it under
11  the terms of the GNU General Public License as published by the Free Software
12  Foundation; either version 2 of the License, or (at your option) any later
13  version.
14
15  This program is distributed in the hope that it will be useful, but WITHOUT
16  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
18  details.
19
20  You should have received a copy of the GNU General Public License along with
21  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
22  Place - Suite 330, Boston, MA  02111-1307, USA.
23
24  Further information about the GNU General Public License can also be found on
25  the world wide web at http://www.gnu.org.
26
27 FUNCTIONAL DESCRIPTION
28 --------------------------------------------------------------------------------
29 See header file.
30
31 HISTORY
32 --------------------------------------------------------------------------------
33 01/21/99   JSB   Created
34
35 ********************************************************************************
36 INCLUDES
37 *******************************************************************************/
38 #ifdef FGFS
39 #  include <Include/compiler.h>
40 #  ifdef FG_HAVE_STD_INCLUDES
41 #    include <fstream>
42 #  else
43 #    include <fstream.h>
44 #  endif
45 #else
46 #  include <fstream>
47 #endif
48
49 #include "FGTank.h"
50
51 /*******************************************************************************
52 ************************************ CODE **************************************
53 *******************************************************************************/
54
55
56 FGTank::FGTank(ifstream& acfile)
57 {
58   string type;
59
60   acfile >> type;                              // Type = 0: fuel, 1: oxidizer
61   if (type == "FUEL") Type = ttFUEL;
62   else if (type == "OXIDIZER") Type = ttOXIDIZER;
63   else Type = ttUNKNOWN;
64   acfile >> X;                                 // inches
65   acfile >> Y;                                 // "
66   acfile >> Z;                                 // "
67   acfile >> Radius;                            // "
68   acfile >> Capacity;                          // pounds (amount it can hold)
69   acfile >> Contents;                          // pounds  (amount it is holding)
70   Selected = true;
71   PctFull = 100.0*Contents/Capacity;           // percent full; 0 to 100.0
72 }
73
74
75 FGTank::~FGTank(void)
76 {
77 }
78
79
80 float FGTank::Reduce(float used)
81 {
82   float shortage;
83
84   if (used < Contents) {
85     Contents -= used;
86     PctFull = 100.0*Contents/Capacity;
87     return Contents;
88   } else {
89     shortage = Contents - used;
90     Contents = 0.0;
91     PctFull = 0.0;
92     Selected = false;
93     return shortage;
94   }
95 }
96