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 char property_name[80];
83 snprintf(property_name, 80, "propulsion/engine[%d]/pitch-angle-rad", EngineNum);
84 PropertyManager->Tie( property_name, (FGForce *)this, &FGForce::GetPitch, &FGForce::SetPitch);
85 snprintf(property_name, 80, "propulsion/engine[%d]/yaw-angle-rad", EngineNum);
86 PropertyManager->Tie( property_name, (FGForce *)this, &FGForce::GetYaw, &FGForce::SetYaw);
88 if (el->GetName() == "direct") // this is a direct thruster. At this time
89 // only a direct thruster can be reversed.
91 snprintf(property_name, 80, "propulsion/engine[%d]/reverser-angle-rad", EngineNum);
92 PropertyManager->Tie( property_name, (FGThruster *)this, &FGThruster::GetReverserAngle,
93 &FGThruster::SetReverserAngle);
99 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
101 FGThruster::~FGThruster()
106 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
108 string FGThruster::GetThrusterLabels(int id, string delimeter)
110 std::ostringstream buf;
112 buf << Name << " Thrust (engine " << id << " in lbs)";
117 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
119 string FGThruster::GetThrusterValues(int id, string delimeter)
121 std::ostringstream buf;
128 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
129 // The bitmasked value choices are as follows:
130 // unset: In this case (the default) JSBSim would only print
131 // out the normally expected messages, essentially echoing
132 // the config files as they are read. If the environment
133 // variable is not set, debug_lvl is set to 1 internally
134 // 0: This requests JSBSim not to output any messages
136 // 1: This value explicity requests the normal JSBSim
138 // 2: This value asks for a message to be printed out when
139 // a class is instantiated
140 // 4: When this value is set, a message is displayed when a
141 // FGModel object executes its Run() method
142 // 8: When this value is set, various runtime state variables
143 // are printed out periodically
144 // 16: When set various parameters are sanity checked and
145 // a message is printed out when they go out of bounds
147 void FGThruster::Debug(int from)
149 if (debug_lvl <= 0) return;
151 if (debug_lvl & 1) { // Standard console startup message output
152 if (from == 0) { // Constructor
156 if (debug_lvl & 2 ) { // Instantiation/Destruction notification
157 if (from == 0) cout << "Instantiated: FGThruster" << endl;
158 if (from == 1) cout << "Destroyed: FGThruster" << endl;
160 if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
162 if (debug_lvl & 8 ) { // Runtime state variables
164 if (debug_lvl & 16) { // Sanity checking
166 if (debug_lvl & 64) {
167 if (from == 0) { // Constructor
168 cout << IdSrc << endl;
169 cout << IdHdr << endl;