Make yasim accept the launchbar and hook properties. They are not tied to anything...

[flightgear.git] / src / FDM / JSBSim / FGNozzle.cpp

diff --git a/src/FDM/JSBSim/FGNozzle.cpp b/src/FDM/JSBSim/FGNozzle.cpp
index f4cf9339378e48db7abcdb672b054192bf44562c..c159c12a78acd23bf7e6b6515883a4c79efe5e67 100644 (file)
--- a/src/FDM/JSBSim/FGNozzle.cpp
+++ b/src/FDM/JSBSim/FGNozzle.cpp
@@ -35,25 +35,28 @@ HISTORY
 INCLUDES
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
+#include <sstream>
+
 #include "FGNozzle.h"
+#include "FGAtmosphere.h"
+
+namespace JSBSim {
 
 static const char *IdSrc = "$Id$";
 static const char *IdHdr = ID_NOZZLE;
 
-extern short debug_lvl;
-
 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 CLASS IMPLEMENTATION
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
 
-FGNozzle::FGNozzle(FGFDMExec* FDMExec, FGConfigFile* Nzl_cfg) : FGThruster(FDMExec)
+FGNozzle::FGNozzle(FGFDMExec* FDMExec, FGConfigFile* Nzl_cfg, int num) : FGThruster(FDMExec)
 {
   string token;
 
   Name = Nzl_cfg->GetValue("NAME");
   Nzl_cfg->GetNextConfigLine();
-  while (Nzl_cfg->GetValue() != "/FG_NOZZLE") {
+  while (Nzl_cfg->GetValue() != string("/FG_NOZZLE")) {
     *Nzl_cfg >> token;
     if      (token == "PE")      *Nzl_cfg >> PE;
     else if (token == "EXPR")    *Nzl_cfg >> ExpR;
@@ -62,51 +65,118 @@ FGNozzle::FGNozzle(FGFDMExec* FDMExec, FGConfigFile* Nzl_cfg) : FGThruster(FDMEx
     else cerr << "Unhandled token in Nozzle config file: " << token << endl;
   }
 
-  if (debug_lvl > 0) {
-    cout << "      Nozzle Name: " << Name << endl;
-    cout << "      Nozzle Exit Pressure = " << PE << endl;
-    cout << "      Nozzle Expansion Ratio = " << ExpR << endl;
-    cout << "      Nozzle Efficiency = " << nzlEff << endl;
-    cout << "      Nozzle Diameter = " << Diameter << endl;
-  }
-
   Thrust = 0;
   Type = ttNozzle;
   Area2 = (Diameter*Diameter/4.0)*M_PI;
   AreaT = Area2/ExpR;
 
-  if (debug_lvl & 2) cout << "Instantiated: FGNozzle" << endl;
+  char property_name[80];
+  snprintf(property_name, 80, "propulsion/c-thrust[%u]", EngineNum);
+  PropertyManager->Tie( property_name, &ThrustCoeff );
+
+  Debug(0);
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 FGNozzle::~FGNozzle()
 {
-  if (debug_lvl & 2) cout << "Destroyed:    FGNozzle" << endl;
+  char property_name[80];
+  snprintf(property_name, 80, "propulsion/c-thrust[%u]", EngineNum);
+  PropertyManager->Untie( property_name );
+
+  Debug(1);
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-float FGNozzle::Calculate(float CfPc)
+double FGNozzle::Calculate(double CfPc)
 {
-  float pAtm = fdmex->GetAtmosphere()->GetPressure();
-  Thrust = (CfPc * AreaT + (PE - pAtm)*Area2) * nzlEff;
+  double pAtm = fdmex->GetAtmosphere()->GetPressure();
+  Thrust = max((double)0.0, (CfPc * AreaT + (PE - pAtm)*Area2) * nzlEff);
   vFn(1) = Thrust;
 
+  ThrustCoeff = max((double)0.0, CfPc / ((pAtm - PE) * Area2));
+
   return Thrust;
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-float FGNozzle::GetPowerRequired(void)
+double FGNozzle::GetPowerRequired(void)
 {
   return PE;
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-void FGNozzle::Debug(void)
+string FGNozzle::GetThrusterLabels(int id, string delimeter)
 {
-    //TODO: Add your source code here
+  std::ostringstream buf;
+
+  buf << Name << "_Thrust[" << id << ']';
+
+  return buf.str();
 }
 
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+string FGNozzle::GetThrusterValues(int id, string delimeter)
+{
+  std::ostringstream buf;
+
+  buf << Thrust;
+
+  return buf.str();
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+//    The bitmasked value choices are as follows:
+//    unset: In this case (the default) JSBSim would only print
+//       out the normally expected messages, essentially echoing
+//       the config files as they are read. If the environment
+//       variable is not set, debug_lvl is set to 1 internally
+//    0: This requests JSBSim not to output any messages
+//       whatsoever.
+//    1: This value explicity requests the normal JSBSim
+//       startup messages
+//    2: This value asks for a message to be printed out when
+//       a class is instantiated
+//    4: When this value is set, a message is displayed when a
+//       FGModel object executes its Run() method
+//    8: When this value is set, various runtime state variables
+//       are printed out periodically
+//    16: When set various parameters are sanity checked and
+//       a message is printed out when they go out of bounds
+
+void FGNozzle::Debug(int from)
+{
+  if (debug_lvl <= 0) return;
+
+  if (debug_lvl & 1) { // Standard console startup message output
+    if (from == 0) { // Constructor
+      cout << "      Nozzle Name: " << Name << endl;
+      cout << "      Nozzle Exit Pressure = " << PE << endl;
+      cout << "      Nozzle Expansion Ratio = " << ExpR << endl;
+      cout << "      Nozzle Efficiency = " << nzlEff << endl;
+      cout << "      Nozzle Diameter = " << Diameter << endl;
+    }
+  }
+  if (debug_lvl & 2 ) { // Instantiation/Destruction notification
+    if (from == 0) cout << "Instantiated: FGNozzle" << endl;
+    if (from == 1) cout << "Destroyed:    FGNozzle" << endl;
+  }
+  if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
+  }
+  if (debug_lvl & 8 ) { // Runtime state variables
+  }
+  if (debug_lvl & 16) { // Sanity checking
+  }
+  if (debug_lvl & 64) {
+    if (from == 0) { // Constructor
+      cout << IdSrc << endl;
+      cout << IdHdr << endl;
+    }
+  }
+}
+}