1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
6 Purpose: Encapsulates the thruster object
8 ------------- Copyright (C) 2000 Jon S. Berndt (jon@jsbsim.org) -------------
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
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
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.
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.
27 FUNCTIONAL DESCRIPTION
28 --------------------------------------------------------------------------------
31 --------------------------------------------------------------------------------
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
41 #include "FGThruster.h"
42 #include "input_output/FGXMLElement.h"
48 static const char *IdSrc = "$Id: FGThruster.cpp,v 1.14 2011/03/10 01:35:25 dpculp Exp $";
49 static const char *IdHdr = ID_THRUSTER;
51 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
53 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
56 FGThruster::FGThruster(FGFDMExec *FDMExec, Element *el, int num ): FGForce(FDMExec)
58 Element* thruster_element = el->GetParent();
60 FGColumnVector3 location, orientation;
63 SetTransformType(FGForce::tCustom);
65 Name = el->GetAttributeValue("name");
71 PropertyManager = FDMExec->GetPropertyManager();
73 // Determine the initial location and orientation of this thruster and load the
74 // thruster with this information.
76 element = thruster_element->FindElement("location");
77 if (element) location = element->FindElementTripletConvertTo("IN");
78 else cerr << fgred << " No thruster location found." << reset << endl;
80 element = thruster_element->FindElement("orient");
81 if (element) orientation = element->FindElementTripletConvertTo("RAD");
82 else cerr << " No thruster orientation found." << endl;
84 SetLocation(location);
85 SetAnglesToBody(orientation);
87 string property_name, base_property_name;
88 base_property_name = CreateIndexedPropertyName("propulsion/engine", EngineNum);
89 property_name = base_property_name + "/pitch-angle-rad";
90 PropertyManager->Tie( property_name.c_str(), (FGForce *)this, &FGForce::GetPitch, &FGForce::SetPitch);
91 property_name = base_property_name + "/yaw-angle-rad";
92 PropertyManager->Tie( property_name.c_str(), (FGForce *)this, &FGForce::GetYaw, &FGForce::SetYaw);
94 if (el->GetName() == "direct") // this is a direct thruster. At this time
95 // only a direct thruster can be reversed.
97 property_name = base_property_name + "/reverser-angle-rad";
98 PropertyManager->Tie( property_name.c_str(), (FGThruster *)this, &FGThruster::GetReverserAngle,
99 &FGThruster::SetReverserAngle);
102 if (el->GetName() == "rotor") // At this time only a rotor can have a clutch.
104 property_name = base_property_name + "/clutch-ctrl-norm";
105 PropertyManager->Tie( property_name.c_str(), (FGThruster *)this, &FGThruster::GetClutchCtrl,
106 &FGThruster::SetClutchCtrl);
112 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
114 FGThruster::~FGThruster()
119 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
121 string FGThruster::GetThrusterLabels(int id, string delimeter)
123 std::ostringstream buf;
125 buf << Name << " Thrust (engine " << id << " in lbs)";
130 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
132 string FGThruster::GetThrusterValues(int id, string delimeter)
134 std::ostringstream buf;
141 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
142 // The bitmasked value choices are as follows:
143 // unset: In this case (the default) JSBSim would only print
144 // out the normally expected messages, essentially echoing
145 // the config files as they are read. If the environment
146 // variable is not set, debug_lvl is set to 1 internally
147 // 0: This requests JSBSim not to output any messages
149 // 1: This value explicity requests the normal JSBSim
151 // 2: This value asks for a message to be printed out when
152 // a class is instantiated
153 // 4: When this value is set, a message is displayed when a
154 // FGModel object executes its Run() method
155 // 8: When this value is set, various runtime state variables
156 // are printed out periodically
157 // 16: When set various parameters are sanity checked and
158 // a message is printed out when they go out of bounds
160 void FGThruster::Debug(int from)
162 if (debug_lvl <= 0) return;
164 if (debug_lvl & 1) { // Standard console startup message output
165 if (from == 0) { // Constructor
169 if (debug_lvl & 2 ) { // Instantiation/Destruction notification
170 if (from == 0) cout << "Instantiated: FGThruster" << endl;
171 if (from == 1) cout << "Destroyed: FGThruster" << endl;
173 if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
175 if (debug_lvl & 8 ) { // Runtime state variables
177 if (debug_lvl & 16) { // Sanity checking
179 if (debug_lvl & 64) {
180 if (from == 0) { // Constructor
181 cout << IdSrc << endl;
182 cout << IdHdr << endl;