172 lines
4.6 KiB
C++
172 lines
4.6 KiB
C++
/*******************************************************************************
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Header: FGCoefficient.h
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Author: Jon Berndt
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Date started: 12/28/98
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------------- Copyright (C) 1999 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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12/28/98 JSB Created
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********************************************************************************
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SENTRY
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*******************************************************************************/
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#ifndef FGCOEFFICIENT_H
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#define FGCOEFFICIENT_H
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/*******************************************************************************
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INCLUDES
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*******************************************************************************/
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#ifdef FGFS
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# include <Include/compiler.h>
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# include STL_STRING
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# ifdef FG_HAVE_STD_INCLUDES
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# include <fstream>
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# else
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# include <fstream.h>
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# endif
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FG_USING_STD(string);
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#else
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# include <string>
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# include <fstream>
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#endif
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#include <map>
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/*******************************************************************************
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DEFINES
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*******************************************************************************/
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using namespace std;
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#define FG_QBAR 1
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#define FG_WINGAREA 2
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#define FG_WINGSPAN 4
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#define FG_CBAR 8
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#define FG_ALPHA 16
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#define FG_ALPHADOT 32
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#define FG_BETA 64
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#define FG_BETADOT 128
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#define FG_PITCHRATE 256
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#define FG_ROLLRATE 512
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#define FG_YAWRATE 1024
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#define FG_ELEVATOR 2048
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#define FG_AILERON 4096
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#define FG_RUDDER 8192
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#define FG_MACH 16384
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#define FG_ALTITUDE 32768L
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#define FG_BI2VEL 65536L
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#define FG_CI2VEL 131072L
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/*******************************************************************************
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FORWARD DECLARATIONS
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*******************************************************************************/
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class FGFDMExec;
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class FGState;
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class FGAtmosphere;
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class FGFCS;
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class FGAircraft;
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class FGTranslation;
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class FGRotation;
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class FGPosition;
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class FGAuxiliary;
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class FGOutput;
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/*******************************************************************************
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COMMENTS, REFERENCES, and NOTES
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********************************************************************************
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This class models the stability derivative coefficient lookup tables or
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equations. Note that the coefficients need not be calculated each delta-t.
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FG_QBAR 1
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FG_WINGAREA 2
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FG_WINGSPAN 4
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FG_CBAR 8
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FG_ALPHA 16
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FG_ALPHADOT 32
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FG_BETA 64
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FG_BETADOT 128
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FG_PITCHRATE 256
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FG_ROLLRATE 512
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FG_YAWRATE 1024
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FG_ELEVATOR 2048
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FG_AILERON 4096
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FG_RUDDER 8192
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FG_MACH 16384
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FG_ALTITUDE 32768L
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FG_BI2VEL 65536L
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FG_CI2VEL 131072L
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********************************************************************************
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CLASS DECLARATION
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*******************************************************************************/
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class FGCoefficient
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{
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public:
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FGCoefficient(FGFDMExec*, ifstream&);
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~FGCoefficient(void);
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bool Allocate(int);
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bool Allocate(int, int);
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float Value(float, float);
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float Value(float);
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float Value(void);
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float TotalValue(void);
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enum Type {UNKNOWN, VALUE, VECTOR, TABLE, EQUATION};
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protected:
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private:
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typedef map<string, long> CoeffMap;
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CoeffMap coeffdef;
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string filename;
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string description;
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string name;
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string method;
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float StaticValue;
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float *Table2D;
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float **Table3D;
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float LookupR, LookupC;
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long int mult_idx[10];
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int rows, columns;
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Type type;
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int multipliers;
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int mult_count;
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float GetCoeffVal(int);
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FGFDMExec* FDMExec;
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FGState* State;
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FGAtmosphere* Atmosphere;
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FGFCS* FCS;
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FGAircraft* Aircraft;
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FGTranslation* Translation;
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FGRotation* Rotation;
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FGPosition* Position;
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FGAuxiliary* Auxiliary;
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FGOutput* Output;
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};
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/******************************************************************************/
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#endif
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