--- /dev/null
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+ Module: FGModelFunctions.cpp
+ Author: Jon S. Berndt
+ Date started: August 2010
+
+ ------- Copyright (C) 2010 Jon S. Berndt (jon@jsbsim.org) ------------------
+
+ This program is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by the Free Software
+ Foundation; either version 2 of the License, or (at your option) any later
+ version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ details.
+
+ You should have received a copy of the GNU Lesser General Public License along with
+ this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ Further information about the GNU Lesser General Public License can also be found on
+ the world wide web at http://www.gnu.org.
+
+FUNCTIONAL DESCRIPTION
+--------------------------------------------------------------------------------
+
+HISTORY
+--------------------------------------------------------------------------------
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+COMMENTS, REFERENCES, and NOTES
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+INCLUDES
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+#include "FGModelFunctions.h"
+#include <string>
+
+using namespace std;
+
+namespace JSBSim {
+
+static const char *IdSrc = "$Id: FGModelFunctions.cpp,v 1.4 2010/09/07 00:40:03 jberndt Exp $";
+static const char *IdHdr = ID_MODELFUNCTIONS;
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+CLASS IMPLEMENTATION
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+FGModelFunctions::~FGModelFunctions()
+{
+ for (unsigned int i=0; i<interface_properties.size(); i++) delete interface_properties[i];
+ interface_properties.clear();
+
+ for (unsigned int i=0; i<PreFunctions.size(); i++) delete PreFunctions[i];
+ for (unsigned int i=0; i<PostFunctions.size(); i++) delete PostFunctions[i];
+
+ if (debug_lvl & 2) cout << "Destroyed: FGModelFunctions" << endl;
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+bool FGModelFunctions::Load(Element* el, FGPropertyManager* PM, string prefix)
+{
+ // Interface properties are all stored in the interface properties array.
+ string interface_property_string = "";
+
+ Element *property_element = el->FindElement("property");
+ if (property_element && debug_lvl > 0) cout << endl << " Declared properties"
+ << endl << endl;
+ while (property_element) {
+ interface_property_string = property_element->GetDataLine();
+ if (PM->HasNode(interface_property_string)) {
+ cerr << " Property " << interface_property_string
+ << " is already defined." << endl;
+ } else {
+ double value=0.0;
+ if ( ! property_element->GetAttributeValue("value").empty())
+ value = property_element->GetAttributeValueAsNumber("value");
+ interface_properties.push_back(new double(value));
+ PM->Tie(interface_property_string, interface_properties.back());
+ if (debug_lvl > 0)
+ cout << " " << interface_property_string << " (initial value: "
+ << value << ")" << endl << endl;
+ }
+ property_element = el->FindNextElement("property");
+ }
+
+ // End of interface property loading logic
+
+ PreLoad(el, PM, prefix);
+
+ return true; // TODO: Need to make this value mean something.
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+void FGModelFunctions::PreLoad(Element* el, FGPropertyManager* PM, string prefix)
+{
+ // Load model post-functions, if any
+
+ Element *function = el->FindElement("function");
+
+ while (function) {
+ if (function->GetAttributeValue("type") == "pre") {
+ PreFunctions.push_back(new FGFunction(PM, function, prefix));
+ } else if (function->GetAttributeValue("type").empty()) { // Assume pre-function
+ string funcname = function->GetAttributeValue("name");
+ if (funcname.find("IdleThrust") == string::npos && // Do not process functions that are
+ funcname.find("MilThrust") == string::npos && // already pre-defined turbine engine
+ funcname.find("AugThrust") == string::npos && // functions. These are loaded within
+ funcname.find("Injection") == string::npos ) // the Turbine::Load() method.
+ {
+ PreFunctions.push_back(new FGFunction(PM, function, prefix));
+ }
+ }
+ function = el->FindNextElement("function");
+ }
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+void FGModelFunctions::PostLoad(Element* el, FGPropertyManager* PM, string prefix)
+{
+ // Load model post-functions, if any
+
+ Element *function = el->FindElement("function");
+ while (function) {
+ if (function->GetAttributeValue("type") == "post") {
+ PostFunctions.push_back(new FGFunction(PM, function, prefix));
+ }
+ function = el->FindNextElement("function");
+ }
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+// Tell the Functions to cache values, so when the function values
+// are being used in the model, the functions do not get
+// calculated each time, but instead use the values that have already
+// been calculated for this frame.
+
+void FGModelFunctions::RunPreFunctions(void)
+{
+ vector <FGFunction*>::iterator it;
+ for (it = PreFunctions.begin(); it != PreFunctions.end(); it++)
+ (*it)->cacheValue(true);
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+// Tell the Functions to cache values, so when the function values
+// are being used in the model, the functions do not get
+// calculated each time, but instead use the values that have already
+// been calculated for this frame.
+
+void FGModelFunctions::RunPostFunctions(void)
+{
+ vector <FGFunction*>::iterator it;
+ for (it = PostFunctions.begin(); it != PostFunctions.end(); it++)
+ (*it)->GetValue();
+}
+
+}
--- /dev/null
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+Header: FGModelFunctions.h
+Author: Jon Berndt
+Date started: August 2010
+
+ ------------- Copyright (C) 2010 Jon S. Berndt (jon@jsbsim.org) -------------
+
+ This program is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by the Free Software
+ Foundation; either version 2 of the License, or (at your option) any later
+ version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ details.
+
+ You should have received a copy of the GNU Lesser General Public License along with
+ this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ Further information about the GNU Lesser General Public License can also be found on
+ the world wide web at http://www.gnu.org.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+SENTRY
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+#ifndef FGMODELFUNCTIONS_H
+#define FGMODELFUNCTIONS_H
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+INCLUDES
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+#include "FGJSBBase.h"
+#include <vector>
+#include "math/FGFunction.h"
+#include "input_output/FGPropertyManager.h"
+#include "input_output/FGXMLElement.h"
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+DEFINITIONS
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+#define ID_MODELFUNCTIONS "$Id: FGModelFunctions.h,v 1.2 2010/08/24 10:30:14 jberndt Exp $"
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+FORWARD DECLARATIONS
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+namespace JSBSim {
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+CLASS DOCUMENTATION
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+/**
+@author Jon Berndt
+*/
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+DECLARATION: FGModelFunctions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+ class FGModelFunctions : public FGJSBBase
+{
+public:
+ ~FGModelFunctions();
+ void RunPreFunctions(void);
+ void RunPostFunctions(void);
+ bool Load(Element* el, FGPropertyManager* PropertyManager, std::string prefix="");
+ void PreLoad(Element* el, FGPropertyManager* PropertyManager, std::string prefix="");
+ void PostLoad(Element* el, FGPropertyManager* PropertyManager, std::string prefix="");
+
+protected:
+ std::vector <FGFunction*> PreFunctions;
+ std::vector <FGFunction*> PostFunctions;
+ std::vector <double*> interface_properties;
+};
+
+} // namespace JSBSim
+
+#endif