1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
6 Purpose: Encapsulates the thruster object
8 ------------- Copyright (C) 2000 Jon S. Berndt (jsb@hal-pc.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 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
40 #include "FGThruster.h"
44 static const char *IdSrc = "$Id$";
45 static const char *IdHdr = ID_THRUSTER;
47 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
49 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
52 FGThruster::FGThruster(FGFDMExec *FDMExec, Element *el, int num ): FGForce(FDMExec)
54 Element* thruster_element = el->GetParent();
56 FGColumnVector3 location, orientation;
59 SetTransformType(FGForce::tCustom);
61 Name = el->GetAttributeValue("name");
66 PropertyManager = FDMExec->GetPropertyManager();
68 // Determine the initial location and orientation of this thruster and load the
69 // thruster with this information.
71 element = thruster_element->FindElement("location");
72 if (element) location = element->FindElementTripletConvertTo("IN");
73 else cerr << "No thruster location found." << endl;
75 element = thruster_element->FindElement("orient");
76 if (element) orientation = element->FindElementTripletConvertTo("RAD");
77 else cerr << "No thruster orientation found." << endl;
79 SetLocation(location);
80 SetAnglesToBody(orientation);
82 string property_name, base_property_name;
83 base_property_name = CreateIndexedPropertyName("propulsion/engine", EngineNum);
84 property_name = base_property_name + "/pitch-angle-rad";
85 PropertyManager->Tie( property_name.c_str(), (FGForce *)this, &FGForce::GetPitch, &FGForce::SetPitch);
86 property_name = base_property_name + "/yaw-angle-rad";
87 PropertyManager->Tie( property_name.c_str(), (FGForce *)this, &FGForce::GetYaw, &FGForce::SetYaw);
89 if (el->GetName() == "direct") // this is a direct thruster. At this time
90 // only a direct thruster can be reversed.
92 property_name = base_property_name + "/reverser-angle-rad";
93 PropertyManager->Tie( property_name.c_str(), (FGThruster *)this, &FGThruster::GetReverserAngle,
94 &FGThruster::SetReverserAngle);
100 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
102 FGThruster::~FGThruster()
107 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
109 string FGThruster::GetThrusterLabels(int id, string delimeter)
111 std::ostringstream buf;
113 buf << Name << " Thrust (engine " << id << " in lbs)";
118 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
120 string FGThruster::GetThrusterValues(int id, string delimeter)
122 std::ostringstream buf;
129 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
130 // The bitmasked value choices are as follows:
131 // unset: In this case (the default) JSBSim would only print
132 // out the normally expected messages, essentially echoing
133 // the config files as they are read. If the environment
134 // variable is not set, debug_lvl is set to 1 internally
135 // 0: This requests JSBSim not to output any messages
137 // 1: This value explicity requests the normal JSBSim
139 // 2: This value asks for a message to be printed out when
140 // a class is instantiated
141 // 4: When this value is set, a message is displayed when a
142 // FGModel object executes its Run() method
143 // 8: When this value is set, various runtime state variables
144 // are printed out periodically
145 // 16: When set various parameters are sanity checked and
146 // a message is printed out when they go out of bounds
148 void FGThruster::Debug(int from)
150 if (debug_lvl <= 0) return;
152 if (debug_lvl & 1) { // Standard console startup message output
153 if (from == 0) { // Constructor
157 if (debug_lvl & 2 ) { // Instantiation/Destruction notification
158 if (from == 0) cout << "Instantiated: FGThruster" << endl;
159 if (from == 1) cout << "Destroyed: FGThruster" << endl;
161 if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
163 if (debug_lvl & 8 ) { // Runtime state variables
165 if (debug_lvl & 16) { // Sanity checking
167 if (debug_lvl & 64) {
168 if (from == 0) { // Constructor
169 cout << IdSrc << endl;
170 cout << IdHdr << endl;