]> git.mxchange.org Git - flightgear.git/blobdiff - src/FDM/JSBSim/FGFDMExec.cpp
Latest JSBSim changes, including some gear tweaking from Jon and some
[flightgear.git] / src / FDM / JSBSim / FGFDMExec.cpp
index 6e8964c491391bd26d70bb587a6fcd6b8ce79244..fdf6eaf2cd7acbdb7072440e04626ad78275cf6a 100644 (file)
@@ -4,7 +4,6 @@
  Author:       Jon S. Berndt
  Date started: 11/17/98
  Purpose:      Schedules and runs the model routines.
- Called by:    The GUI.
 
  ------------- Copyright (C) 1999  Jon S. Berndt (jsb@hal-pc.org) -------------
 
@@ -34,148 +33,242 @@ HISTORY
 --------------------------------------------------------------------------------
 11/17/98   JSB   Created
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+COMMENTS, REFERENCES,  and NOTES
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 INCLUDES
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
 #ifdef FGFS
 #  include <simgear/compiler.h>
-#  ifdef FG_HAVE_STD_INCLUDES
-#    include <iostream>
-#    include <ctime>
-#  else
+#  include STL_IOSTREAM
+#  include STL_ITERATOR
+#else
+#  if defined(sgi) && !defined(__GNUC__)
 #    include <iostream.h>
-#    include <time.h>
+#  else
+#    include <iostream>
 #  endif
-#else
-#  include <iostream>
-#  include <ctime>
+#  include <iterator>
 #endif
 
 #include "FGFDMExec.h"
 #include "FGState.h"
 #include "FGAtmosphere.h"
 #include "FGFCS.h"
+#include "FGPropulsion.h"
+#include "FGMassBalance.h"
+#include "FGGroundReactions.h"
+#include "FGAerodynamics.h"
+#include "FGInertial.h"
 #include "FGAircraft.h"
 #include "FGTranslation.h"
 #include "FGRotation.h"
 #include "FGPosition.h"
 #include "FGAuxiliary.h"
 #include "FGOutput.h"
+#include "FGConfigFile.h"
+#include "FGInitialCondition.h"
 
-static const char *IdSrc = "$Header$";
-static const char *IdHdr = "ID_FDMEXEC";
+static const char *IdSrc = "$Id$";
+static const char *IdHdr = ID_FDMEXEC;
 
 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-CLASS IMPLEMENTATION
+GLOBAL DECLARATIONS
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
+unsigned int FGFDMExec::FDMctr = 0;
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+CLASS IMPLEMENTATION
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
 // Constructor
 
 FGFDMExec::FGFDMExec(void)
 {
-  FirstModel  = 0;
-  Error       = 0;
-  State       = 0;
-  Atmosphere  = 0;
-  FCS         = 0;
-  Aircraft    = 0;
-  Translation = 0;
-  Rotation    = 0;
-  Position    = 0;
-  Auxiliary   = 0;
-  Output      = 0;
+  Frame           = 0;
+  FirstModel      = 0;
+  Error           = 0;
+  State           = 0;
+  Atmosphere      = 0;
+  FCS             = 0;
+  Propulsion      = 0;
+  MassBalance     = 0;
+  Aerodynamics    = 0;
+  Inertial        = 0;
+  GroundReactions = 0;
+  Aircraft        = 0;
+  Translation     = 0;
+  Rotation        = 0;
+  Position        = 0;
+  Auxiliary       = 0;
+  Output          = 0;
 
   terminate = false;
   frozen = false;
   modelLoaded = false;
-  
+
+  IdFDM = FDMctr;
+  FDMctr++;
+
+  try {
+    char* num = getenv("JSBSIM_DEBUG");
+    if (!num) debug_lvl = 1;
+    else debug_lvl = atoi(num); // set debug level
+  } catch (...) {               // if error set to 1
+    debug_lvl = 1;
+  }
+
+  Debug(0);
+
   Allocate();
-  
 }
 
-FGFDMExec::~FGFDMExec(void){
-  
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+FGFDMExec::~FGFDMExec()
+{
   DeAllocate();
 
+  Debug(1);
 }
 
-bool FGFDMExec::Allocate(void) {
-  
-  bool result=true;
-  
-  Atmosphere  = new FGAtmosphere(this);
-  FCS         = new FGFCS(this);
-  Aircraft    = new FGAircraft(this);
-  Translation = new FGTranslation(this);
-  Rotation    = new FGRotation(this);
-  Position    = new FGPosition(this);
-  Auxiliary   = new FGAuxiliary(this);
-  Output      = new FGOutput(this);
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-  State       = new FGState(this);
+bool FGFDMExec::Allocate(void)
+{
+  bool result=true;
 
+  Atmosphere      = new FGAtmosphere(this);
+  FCS             = new FGFCS(this);
+  Propulsion      = new FGPropulsion(this);
+  MassBalance     = new FGMassBalance(this);
+  Aerodynamics    = new FGAerodynamics (this);
+  Inertial        = new FGInertial(this);
+  GroundReactions = new FGGroundReactions(this);
+  Aircraft        = new FGAircraft(this);
+  Translation     = new FGTranslation(this);
+  Rotation        = new FGRotation(this);
+  Position        = new FGPosition(this);
+  Auxiliary       = new FGAuxiliary(this);
+  Output          = new FGOutput(this);
+
+  State        = new FGState(this); // This must be done here, as the FGState
+                                    // class needs valid pointers to the above
+                                    // model classes
+  
   // Initialize models so they can communicate with each other
 
-  if (!Atmosphere->InitModel()) {cerr << "Atmosphere model init failed"; Error+=1;}
-  if (!FCS->InitModel())        {cerr << "FCS model init failed"; Error+=2;}
-  if (!Aircraft->InitModel())   {cerr << "Aircraft model init failed"; Error+=4;}
-  if (!Translation->InitModel()){cerr << "Translation model init failed"; Error+=8;}
-  if (!Rotation->InitModel())   {cerr << "Rotation model init failed"; Error+=16;}
-  if (!Position->InitModel())   {cerr << "Position model init failed"; Error+=32;}
-  if (!Auxiliary->InitModel())  {cerr << "Auxiliary model init failed"; Error+=64;}
-  if (!Output->InitModel())     {cerr << "Output model init failed"; Error+=128;}
-  
-  if(Error > 0) result=false;
-  
+  if (!Atmosphere->InitModel()) {
+    cerr << fgred << "Atmosphere model init failed" << fgdef << endl;
+    Error+=1;}
+  if (!FCS->InitModel())        {
+    cerr << fgred << "FCS model init failed" << fgdef << endl;
+    Error+=2;}
+  if (!Propulsion->InitModel()) {
+    cerr << fgred << "FGPropulsion model init failed" << fgdef << endl;
+    Error+=4;}
+  if (!MassBalance->InitModel()) {
+    cerr << fgred << "FGMassBalance model init failed" << fgdef << endl;
+    Error+=8;}
+  if (!Aerodynamics->InitModel()) {
+    cerr << fgred << "FGAerodynamics model init failed" << fgdef << endl;
+    Error+=16;}
+  if (!Inertial->InitModel()) {
+    cerr << fgred << "FGInertial model init failed" << fgdef << endl;
+    Error+=32;}
+  if (!GroundReactions->InitModel())   {
+    cerr << fgred << "Ground Reactions model init failed" << fgdef << endl;
+    Error+=64;}
+  if (!Aircraft->InitModel())   {
+    cerr << fgred << "Aircraft model init failed" << fgdef << endl;
+    Error+=128;}
+  if (!Translation->InitModel()){
+    cerr << fgred << "Translation model init failed" << fgdef << endl;
+    Error+=256;}
+  if (!Rotation->InitModel())   {
+    cerr << fgred << "Rotation model init failed" << fgdef << endl;
+    Error+=512;}
+  if (!Position->InitModel())   {
+    cerr << fgred << "Position model init failed" << fgdef << endl;
+    Error+=1024;}
+  if (!Auxiliary->InitModel())  {
+    cerr << fgred << "Auxiliary model init failed" << fgdef << endl;
+    Error+=2058;}
+  if (!Output->InitModel())     {
+    cerr << fgred << "Output model init failed" << fgdef << endl;
+    Error+=4096;}
+
+  if (Error > 0) result = false;
+
   // Schedule a model. The second arg (the integer) is the pass number. For
   // instance, the atmosphere model gets executed every fifth pass it is called
   // by the executive. Everything else here gets executed each pass.
 
-  Schedule(Atmosphere,  1);
-  Schedule(FCS,         1);
-  Schedule(Aircraft,    1);
-  Schedule(Rotation,    1);
-  Schedule(Translation, 1);
-  Schedule(Position,    1);
-  Schedule(Auxiliary,   1);
-  Schedule(Output,     1);
-  
+  Schedule(Atmosphere,      1);
+  Schedule(FCS,             1);
+  Schedule(Propulsion,      1);
+  Schedule(MassBalance,     1);
+  Schedule(Aerodynamics,    1);
+  Schedule(Inertial,        1);
+  Schedule(GroundReactions, 1);
+  Schedule(Aircraft,        1);
+  Schedule(Rotation,        1);
+  Schedule(Translation,     1);
+  Schedule(Position,        1);
+  Schedule(Auxiliary,       1);
+  Schedule(Output,          1);
+
   modelLoaded = false;
-  return result;
 
+  return result;
 }
 
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 bool FGFDMExec::DeAllocate(void) {
-  if ( Atmosphere != 0 )  delete Atmosphere;
-  if ( FCS != 0 )         delete FCS;
-  if ( Aircraft != 0 )    delete Aircraft;
-  if ( Translation != 0 ) delete Translation;
-  if ( Rotation != 0 )    delete Rotation;
-  if ( Position != 0 )    delete Position;
-  if ( Auxiliary != 0 )   delete Auxiliary;
-  if ( Output != 0 )      delete Output;
-  if ( State != 0 )       delete State;
+
+  if ( Atmosphere != 0 )     delete Atmosphere;
+  if ( FCS != 0 )            delete FCS;
+  if ( Propulsion != 0)      delete Propulsion;
+  if ( MassBalance != 0)     delete MassBalance;
+  if ( Aerodynamics != 0)    delete Aerodynamics;
+  if ( Inertial != 0)        delete Inertial;
+  if ( GroundReactions != 0) delete GroundReactions;
+  if ( Aircraft != 0 )       delete Aircraft;
+  if ( Translation != 0 )    delete Translation;
+  if ( Rotation != 0 )       delete Rotation;
+  if ( Position != 0 )       delete Position;
+  if ( Auxiliary != 0 )      delete Auxiliary;
+  if ( Output != 0 )         delete Output;
+  if ( State != 0 )          delete State;
 
   FirstModel  = 0L;
   Error       = 0;
 
-  State       = 0;
-  Atmosphere  = 0;
-  FCS         = 0;
-  Aircraft    = 0;
-  Translation = 0;
-  Rotation    = 0;
-  Position    = 0;
-  Auxiliary   = 0;
-  Output      = 0;
+  State           = 0;
+  Atmosphere      = 0;
+  FCS             = 0;
+  Propulsion      = 0;
+  MassBalance     = 0;
+  Aerodynamics    = 0;
+  Inertial        = 0;
+  GroundReactions = 0;
+  Aircraft        = 0;
+  Translation     = 0;
+  Rotation        = 0;
+  Position        = 0;
+  Auxiliary       = 0;
+  Output          = 0;
 
   modelLoaded = false;
-  
+  return modelLoaded;
 }
 
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 int FGFDMExec::Schedule(FGModel* model, int rate)
 {
@@ -198,9 +291,11 @@ int FGFDMExec::Schedule(FGModel* model, int rate)
     model_iterator->NextModel->SetRate(rate);
 
   }
+  
   return 0;
 }
 
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 bool FGFDMExec::Run(void)
 {
@@ -211,17 +306,20 @@ bool FGFDMExec::Run(void)
   model_iterator = FirstModel;
   if (model_iterator == 0L) return false;
 
-  while (!model_iterator->Run())
-  {
+  Debug(2);
+
+  while (!model_iterator->Run()) {
     model_iterator = model_iterator->NextModel;
     if (model_iterator == 0L) break;
   }
 
+  frame = Frame++;
   State->IncrTime();
 
   return true;
 }
 
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 bool FGFDMExec::RunIC(FGInitialCondition *fgic)
 {
@@ -231,29 +329,217 @@ bool FGFDMExec::RunIC(FGInitialCondition *fgic)
   State->Resume();
   return true;
 }
-  
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 bool FGFDMExec::LoadModel(string APath, string EPath, string model)
 {
-       bool result=false;
-  if(modelLoaded) {
-     DeAllocate();
-     Allocate();
-  }   
+  bool result = true;
+  string token;
+  string aircraftCfgFileName;
+
   AircraftPath = APath;
-       EnginePath = EPath;
-  result = Aircraft->LoadAircraft(AircraftPath, EnginePath, model);
+  EnginePath   = EPath;
+
+# ifndef macintosh
+  aircraftCfgFileName = AircraftPath + "/" + model + "/" + model + ".xml";
+# else
+  aircraftCfgFileName = AircraftPath + ";" + model + ";" + model + ".xml";
+# endif
+
+  FGConfigFile AC_cfg(aircraftCfgFileName);
+  if (!AC_cfg.IsOpen()) return false;
+
+  if (modelLoaded) {
+    DeAllocate();
+    Allocate();
+  }
+
+  if (!ReadPrologue(&AC_cfg)) return false;
+
+  while ((AC_cfg.GetNextConfigLine() != string("EOF")) &&
+         (token = AC_cfg.GetValue()) != string("/FDM_CONFIG")) {
+    if (token == "METRICS") {
+      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Metrics" << fgdef << endl;
+      if (!ReadMetrics(&AC_cfg)) result = false;
+    } else if (token == "AERODYNAMICS") {
+      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Aerodynamics" << fgdef << endl;
+      if (!ReadAerodynamics(&AC_cfg)) result = false;
+    } else if (token == "UNDERCARRIAGE") {
+      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Landing Gear" << fgdef << endl;
+      if (!ReadUndercarriage(&AC_cfg)) result = false;
+    } else if (token == "PROPULSION") {
+      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Propulsion" << fgdef << endl;
+      if (!ReadPropulsion(&AC_cfg)) result = false;
+    } else if (token == "FLIGHT_CONTROL") {
+      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Flight Control" << fgdef << endl;
+      if (!ReadFlightControls(&AC_cfg)) result = false;
+    } else if (token == "OUTPUT") {
+      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Output directives" << fgdef << endl;
+      if (!ReadOutput(&AC_cfg)) result = false;
+    }
+  }
 
   if (result) {
     modelLoaded = true;
+    Debug(3);
   } else {
-    cerr << "FGFDMExec: Failed to load aircraft and/or engine model" << endl;
+    cerr << fgred
+         << "  FGFDMExec: Failed to load aircraft and/or engine model"
+         << fgdef << endl;
   }
 
   return result;
 }
 
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-bool FGFDMExec::RunScript(string script)
+bool FGFDMExec::ReadPrologue(FGConfigFile* AC_cfg)
 {
+  string token = AC_cfg->GetValue();
+  string scratch;
+  string AircraftName;
+  
+  AircraftName = AC_cfg->GetValue("NAME");
+  Aircraft->SetAircraftName(AircraftName);
+
+  if (debug_lvl > 0) cout << underon << "Reading Aircraft Configuration File"
+            << underoff << ": " << highint << AircraftName << normint << endl;
+  scratch = AC_cfg->GetValue("VERSION").c_str();
+
+  CFGVersion = AC_cfg->GetValue("VERSION");
+
+  if (debug_lvl > 0)
+    cout << "                            Version: " << highint << CFGVersion
+                                                             << normint << endl;
+  if (CFGVersion != needed_cfg_version) {
+    cerr << endl << fgred << "YOU HAVE AN INCOMPATIBLE CFG FILE FOR THIS AIRCRAFT."
+            " RESULTS WILL BE UNPREDICTABLE !!" << endl;
+    cerr << "Current version needed is: " << needed_cfg_version << endl;
+    cerr << "         You have version: " << CFGVersion << endl << fgdef << endl;
+    return false;
+  }
+  return true;
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+bool FGFDMExec::ReadPropulsion(FGConfigFile* AC_cfg)
+{
+  if (!Propulsion->Load(AC_cfg)) {
+    cerr << "  Propulsion not successfully loaded" << endl;
+    return false;
+  }
+  return true;
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+bool FGFDMExec::ReadFlightControls(FGConfigFile* AC_cfg)
+{
+  if (!FCS->Load(AC_cfg)) {
+    cerr << "  Flight Controls not successfully loaded" << endl;
+    return false;
+  }
+  return true;
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+bool FGFDMExec::ReadAerodynamics(FGConfigFile* AC_cfg)
+{
+  if (!Aerodynamics->Load(AC_cfg)) {
+    cerr << "  Aerodynamics not successfully loaded" << endl;
+    return false;
+  }
+  return true;
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+bool FGFDMExec::ReadUndercarriage(FGConfigFile* AC_cfg)
+{
+  if (!GroundReactions->Load(AC_cfg)) {
+    cerr << "  Ground Reactions not successfully loaded" << endl;
+    return false;
+  }
+  return true;
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+bool FGFDMExec::ReadMetrics(FGConfigFile* AC_cfg)
+{
+  if (!Aircraft->Load(AC_cfg)) {
+    cerr << "  Aircraft metrics not successfully loaded" << endl;
+    return false;
+  }
+  return true;
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+bool FGFDMExec::ReadOutput(FGConfigFile* AC_cfg)
+{
+  if (!Output->Load(AC_cfg)) {
+    cerr << "  Output not successfully loaded" << endl;
+    return false;
+  }
+  return true;
 }
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+//    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 FGFDMExec::Debug(int from)
+{
+  if (debug_lvl <= 0) return;
+
+  if (debug_lvl & 1) { // Standard console startup message output
+    if (from == 0) { // Constructor
+      cout << "\n\n     " << highint << underon << "JSBSim Flight Dynamics Model v"
+                                     << JSBSim_version << underoff << normint << endl;
+      cout << halfint << "            [cfg file spec v" << needed_cfg_version << "]\n\n";
+      cout << normint << "JSBSim startup beginning ...\n\n";
+    } else if (from == 3) {
+      cout << "\n\nJSBSim startup complete\n\n";
+    }
+  }
+  if (debug_lvl & 2 ) { // Instantiation/Destruction notification
+    if (from == 0) cout << "Instantiated: FGFDMExec" << endl;
+    if (from == 1) cout << "Destroyed:    FGFDMExec" << endl;
+  }
+  if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
+    if (from == 2) {
+      cout << "================== Frame: " << Frame << "  Time: "
+           << State->Getsim_time() << endl;
+    }
+  }
+  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;
+    }
+  }
+}
+