286 lines
8.5 KiB
C++
286 lines
8.5 KiB
C++
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Header: FGJSBBase.h
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Author: Jon S. Berndt
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Date started: 07/01/01
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------------- Copyright (C) 2001 Jon S. Berndt (jsb@hal-pc.org) -------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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HISTORY
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--------------------------------------------------------------------------------
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07/01/01 JSB Created
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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SENTRY
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#ifndef FGJSBBASE_H
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#define FGJSBBASE_H
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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INCLUDES
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#include <float.h>
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#ifdef FGFS
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# include <simgear/compiler.h>
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# include <simgear/constants.h>
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# include <math.h>
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# include <queue>
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# include STL_STRING
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SG_USING_STD(string);
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# ifndef M_PI
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# define M_PI SG_PI
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# endif
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#else
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# include <queue>
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# include <string>
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# if defined(sgi) && !defined(__GNUC__)
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# include <math.h>
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# else
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# include <cmath>
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# endif
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using std::string;
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# ifndef M_PI
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# define M_PI 3.14159265358979323846
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# endif
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#endif
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#if !defined(WIN32) || defined(__GNUC__) || ( defined(_MSC_VER) && (_MSC_VER >= 1400))
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using std::max;
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#endif
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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DEFINITIONS
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#define ID_JSBBASE "$Id$"
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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FORWARD DECLARATIONS
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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namespace JSBSim {
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS DOCUMENTATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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/** JSBSim Base class.
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@author Jon S. Berndt
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@version $Id$
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*/
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS DECLARATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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class FGJSBBase {
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public:
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/// Constructor for FGJSBBase.
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FGJSBBase() {};
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/// Destructor for FGJSBBase.
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~FGJSBBase() {};
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/// JSBSim Message structure
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typedef struct Msg {
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unsigned int fdmId;
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unsigned int messageId;
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string text;
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string subsystem;
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enum mType {eText, eInteger, eDouble, eBool} type;
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bool bVal;
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int iVal;
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double dVal;
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} Message;
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///@name JSBSim console output highlighting terms.
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//@{
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/// highlights text
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static char highint[5];
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/// low intensity text
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static char halfint[5];
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/// normal intensity text
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static char normint[6];
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/// resets text properties
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static char reset[5];
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/// underlines text
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static char underon[5];
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/// underline off
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static char underoff[6];
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/// blue text
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static char fgblue[6];
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/// cyan text
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static char fgcyan[6];
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/// red text
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static char fgred[6];
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/// green text
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static char fggreen[6];
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/// default text
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static char fgdef[6];
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//@}
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///@name JSBSim Messaging functions
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//@{
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/** Places a Message structure on the Message queue.
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@param msg pointer to a Message structure
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@return pointer to a Message structure */
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Message* PutMessage(Message* msg);
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/** Creates a message with the given text and places it on the queue.
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@param text message text
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@return pointer to a Message structure */
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Message* PutMessage(const string& text);
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/** Creates a message with the given text and boolean value and places it on the queue.
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@param text message text
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@param bVal boolean value associated with the message
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@return pointer to a Message structure */
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Message* PutMessage(const string& text, bool bVal);
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/** Creates a message with the given text and integer value and places it on the queue.
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@param text message text
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@param iVal integer value associated with the message
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@return pointer to a Message structure */
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Message* PutMessage(const string& text, int iVal);
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/** Creates a message with the given text and double value and places it on the queue.
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@param text message text
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@param dVal double value associated with the message
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@return pointer to a Message structure */
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Message* PutMessage(const string& text, double dVal);
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/** Reads the message on the queue (but does not delete it).
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@return pointer to a Message structure (or NULL if no mesage) */
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Message* ReadMessage(void);
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/** Reads the message on the queue and removes it from the queue.
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@return pointer to a Message structure (or NULL if no mesage) */
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Message* ProcessMessage(void);
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//@}
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string GetVersion(void) {return JSBSim_version;}
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void disableHighLighting(void);
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static short debug_lvl;
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static double KelvinToFahrenheit (double kelvin) {
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return 1.8*kelvin - 459.4;
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}
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static double RankineToCelsius (double rankine) {
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return (rankine - 491.67)/1.8;
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}
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static double FahrenheitToCelsius (double fahrenheit) {
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return (fahrenheit - 32.0)/1.8;
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}
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static double CelsiusToFahrenheit (double celsius) {
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return celsius * 1.8 + 32.0;
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}
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/** Finite precision comparison.
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@param a first value to compare
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@param b second value to compare
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@return if the two values can be considered equal up to roundoff */
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static bool EqualToRoundoff(double a, double b) {
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double eps = 2.0*DBL_EPSILON;
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return fabs(a - b) <= eps*max(fabs(a), fabs(b));
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}
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/** Finite precision comparison.
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@param a first value to compare
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@param b second value to compare
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@return if the two values can be considered equal up to roundoff */
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static bool EqualToRoundoff(float a, float b) {
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float eps = 2.0*FLT_EPSILON;
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return fabs(a - b) <= eps*max(fabs(a), fabs(b));
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}
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/** Finite precision comparison.
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@param a first value to compare
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@param b second value to compare
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@return if the two values can be considered equal up to roundoff */
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static bool EqualToRoundoff(float a, double b) {
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return EqualToRoundoff(a, (float)b);
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}
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/** Finite precision comparison.
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@param a first value to compare
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@param b second value to compare
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@return if the two values can be considered equal up to roundoff */
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static bool EqualToRoundoff(double a, float b) {
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return EqualToRoundoff((float)a, b);
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}
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protected:
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static Message localMsg;
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static std::queue <Message*> Messages;
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void Debug(int from) {};
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static unsigned int frame;
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static unsigned int messageId;
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static const double radtodeg;
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static const double degtorad;
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static const double hptoftlbssec;
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static const double psftoinhg;
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static const double fpstokts;
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static const double ktstofps;
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static const double inchtoft;
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static const double in3tom3;
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static double Reng; // Specific Gas Constant,ft^2/(sec^2*R)
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static const double SHRatio;
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static const double lbtoslug;
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static const double slugtolb;
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static const string needed_cfg_version;
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static const string JSBSim_version;
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};
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/// Moments L, M, N
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enum {eL = 1, eM, eN };
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/// Rates P, Q, R
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enum {eP = 1, eQ, eR };
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/// Velocities U, V, W
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enum {eU = 1, eV, eW };
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/// Positions X, Y, Z
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enum {eX = 1, eY, eZ };
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/// Euler angles Phi, Theta, Psi
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enum {ePhi = 1, eTht, ePsi };
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/// Stability axis forces, Drag, Side force, Lift
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enum {eDrag = 1, eSide, eLift };
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/// Local frame orientation Roll, Pitch, Yaw
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enum {eRoll = 1, ePitch, eYaw };
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/// Local frame position North, East, Down
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enum {eNorth = 1, eEast, eDown };
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/// Locations Radius, Latitude, Longitude
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enum {eLat = 1, eLong, eRad };
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/// Conversion specifiers
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enum {inNone = 0, inDegrees, inRadians, inMeters, inFeet };
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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#endif
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