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1 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2 : :
3 : : Module: FGThruster.cpp
4 : : Author: Jon S. Berndt
5 : : Date started: 08/23/00
6 : : Purpose: Encapsulates the thruster object
7 : :
8 : : ------------- Copyright (C) 2000 Jon S. Berndt (jon@jsbsim.org) -------------
9 : :
10 : : This program is free software; you can redistribute it and/or modify it under
11 : : the terms of the GNU Lesser 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 Lesser General Public License for more
18 : : details.
19 : :
20 : : You should have received a copy of the GNU Lesser 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 Lesser General Public License can also be found on
25 : : the world wide web at http://www.gnu.org.
26 : :
27 : : FUNCTIONAL DESCRIPTION
28 : : --------------------------------------------------------------------------------
29 : :
30 : : HISTORY
31 : : --------------------------------------------------------------------------------
32 : : 08/23/00 JSB Created
33 : :
34 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 : : INCLUDES
36 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
37 : :
38 : : #include <iostream>
39 : : #include <sstream>
40 : :
41 : : #include "FGThruster.h"
42 : : #include "input_output/FGXMLElement.h"
43 : :
44 : : using namespace std;
45 : :
46 : : namespace JSBSim {
47 : :
48 : : static const char *IdSrc = "$Id: FGThruster.cpp,v 1.13 2010/08/21 22:56:11 jberndt Exp $";
49 : : static const char *IdHdr = ID_THRUSTER;
50 : :
51 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
52 : : CLASS IMPLEMENTATION
53 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
54 : :
55 : :
56 : 12 : FGThruster::FGThruster(FGFDMExec *FDMExec, Element *el, int num ): FGForce(FDMExec)
57 : : {
58 : 12 : Element* thruster_element = el->GetParent();
59 : : Element* element;
60 : 12 : FGColumnVector3 location, orientation;
61 : :
62 : 12 : Type = ttDirect;
63 : 12 : SetTransformType(FGForce::tCustom);
64 : :
65 : 24 : Name = el->GetAttributeValue("name");
66 : :
67 : 12 : GearRatio = 1.0;
68 : 12 : ReverserAngle = 0.0;
69 : 12 : EngineNum = num;
70 : 12 : PropertyManager = FDMExec->GetPropertyManager();
71 : :
72 : : // Determine the initial location and orientation of this thruster and load the
73 : : // thruster with this information.
74 : :
75 : 12 : element = thruster_element->FindElement("location");
76 [ # # ][ + - ]: 12 : if (element) location = element->FindElementTripletConvertTo("IN");
77 : 0 : else cerr << fgred << " No thruster location found." << reset << endl;
78 : :
79 : 12 : element = thruster_element->FindElement("orient");
80 [ # # ][ - + ]: 12 : if (element) orientation = element->FindElementTripletConvertTo("RAD");
81 : 12 : else cerr << " No thruster orientation found." << endl;
82 : :
83 : 12 : SetLocation(location);
84 : 12 : SetAnglesToBody(orientation);
85 : :
86 : 12 : string property_name, base_property_name;
87 : 24 : base_property_name = CreateIndexedPropertyName("propulsion/engine", EngineNum);
88 : 24 : property_name = base_property_name + "/pitch-angle-rad";
89 : 12 : PropertyManager->Tie( property_name.c_str(), (FGForce *)this, &FGForce::GetPitch, &FGForce::SetPitch);
90 : 24 : property_name = base_property_name + "/yaw-angle-rad";
91 : 12 : PropertyManager->Tie( property_name.c_str(), (FGForce *)this, &FGForce::GetYaw, &FGForce::SetYaw);
92 : :
93 [ # # - + ]: 12 : if (el->GetName() == "direct") // this is a direct thruster. At this time
94 : : // only a direct thruster can be reversed.
95 : : {
96 : 0 : property_name = base_property_name + "/reverser-angle-rad";
97 : : PropertyManager->Tie( property_name.c_str(), (FGThruster *)this, &FGThruster::GetReverserAngle,
98 : 0 : &FGThruster::SetReverserAngle);
99 : : }
100 : :
101 : 12 : Debug(0);
102 : 12 : }
103 : :
104 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
105 : :
106 : 12 : FGThruster::~FGThruster()
107 : : {
108 : 12 : Debug(1);
109 [ # # ][ # # ]: 12 : }
[ - + ]
110 : :
111 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
112 : :
113 : 0 : string FGThruster::GetThrusterLabels(int id, string delimeter)
114 : : {
115 : 0 : std::ostringstream buf;
116 : :
117 : 0 : buf << Name << " Thrust (engine " << id << " in lbs)";
118 : :
119 : 0 : return buf.str();
120 : : }
121 : :
122 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
123 : :
124 : 0 : string FGThruster::GetThrusterValues(int id, string delimeter)
125 : : {
126 : 0 : std::ostringstream buf;
127 : :
128 : 0 : buf << Thrust;
129 : :
130 : 0 : return buf.str();
131 : : }
132 : :
133 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
134 : : // The bitmasked value choices are as follows:
135 : : // unset: In this case (the default) JSBSim would only print
136 : : // out the normally expected messages, essentially echoing
137 : : // the config files as they are read. If the environment
138 : : // variable is not set, debug_lvl is set to 1 internally
139 : : // 0: This requests JSBSim not to output any messages
140 : : // whatsoever.
141 : : // 1: This value explicity requests the normal JSBSim
142 : : // startup messages
143 : : // 2: This value asks for a message to be printed out when
144 : : // a class is instantiated
145 : : // 4: When this value is set, a message is displayed when a
146 : : // FGModel object executes its Run() method
147 : : // 8: When this value is set, various runtime state variables
148 : : // are printed out periodically
149 : : // 16: When set various parameters are sanity checked and
150 : : // a message is printed out when they go out of bounds
151 : :
152 : 24 : void FGThruster::Debug(int from)
153 : : {
154 [ + - ]: 24 : if (debug_lvl <= 0) return;
155 : :
156 : 24 : if (debug_lvl & 1) { // Standard console startup message output
157 : : if (from == 0) { // Constructor
158 : :
159 : : }
160 : : }
161 [ - + ]: 24 : if (debug_lvl & 2 ) { // Instantiation/Destruction notification
162 [ # # ]: 0 : if (from == 0) cout << "Instantiated: FGThruster" << endl;
163 [ # # ]: 0 : if (from == 1) cout << "Destroyed: FGThruster" << endl;
164 : : }
165 : 24 : if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
166 : : }
167 : 24 : if (debug_lvl & 8 ) { // Runtime state variables
168 : : }
169 : 24 : if (debug_lvl & 16) { // Sanity checking
170 : : }
171 [ - + ]: 24 : if (debug_lvl & 64) {
172 [ # # ]: 0 : if (from == 0) { // Constructor
173 : 0 : cout << IdSrc << endl;
174 : 0 : cout << IdHdr << endl;
175 : : }
176 : : }
177 : : }
178 [ + + ][ + - ]: 12 : }
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