254 lines
7.9 KiB
C++
254 lines
7.9 KiB
C++
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Header: FGEngine.h
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Author: Jon S. Berndt
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Date started: 01/21/99
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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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FUNCTIONAL DESCRIPTION
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--------------------------------------------------------------------------------
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Based on Flightgear code, which is based on LaRCSim. This class simulates
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a generic engine.
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HISTORY
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--------------------------------------------------------------------------------
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01/21/99 JSB Created
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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SENTRY
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#ifndef FGENGINE_H
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#define FGENGINE_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 <simgear/compiler.h>
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# include STL_STRING
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SG_USING_STD(string);
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# ifdef SG_HAVE_STD_INCLUDES
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# include <vector>
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# else
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# include <vector.h>
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# endif
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#else
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# include <vector>
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# include <string>
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#endif
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#include "FGJSBBase.h"
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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DEFINITIONS
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#define ID_ENGINE "$Id$"
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using std::string;
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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 FGPropulsion;
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class FGPosition;
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class FGAuxiliary;
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class FGOutput;
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using std::vector;
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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COMMENTS, REFERENCES, and NOTES [use "class documentation" below for API docs]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS DOCUMENTATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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/** Base class for all engines.
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This base class contains methods and members common to all engines, such as
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logic to drain fuel from the appropriate tank, etc.
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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 FGEngine : public FGJSBBase
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{
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public:
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FGEngine(FGFDMExec* exec);
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virtual ~FGEngine();
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enum EngineType {etUnknown, etRocket, etPiston, etTurboProp, etTurboJet, etTurboShaft};
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virtual double GetThrottleMin(void) { return MinThrottle; }
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virtual double GetThrottleMax(void) { return MaxThrottle; }
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double GetThrottle(void) { return Throttle; }
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double GetMixture(void) { return Mixture; }
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int GetMagnetos(void) { return Magnetos; }
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bool GetStarter(void) { return Starter; }
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double GetThrust(void) { return Thrust; }
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bool GetStarved(void) { return Starved; }
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bool GetFlameout(void) { return Flameout; }
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bool GetRunning(void) { return Running; }
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bool GetCranking(void) { return Cranking; }
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int GetType(void) { return Type; }
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string GetName(void) { return Name; }
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virtual double getManifoldPressure_inHg () const {
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return ManifoldPressure_inHg;
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}
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virtual double getExhaustGasTemp_degF () const {
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return (ExhaustGasTemp_degK - 273) * (9.0 / 5.0) + 32.0;
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}
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virtual double getCylinderHeadTemp_degF () const {
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return (CylinderHeadTemp_degK - 273) * (9.0 / 5.0) + 32.0;
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}
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virtual double getOilPressure_psi () const {
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return OilPressure_psi;
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}
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virtual double getOilTemp_degF () const {
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return (OilTemp_degK - 273.0) * (9.0 / 5.0) + 32.0;
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}
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void SetStarved(bool tt) {Starved = tt;}
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void SetStarved(void) {Starved = true;}
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void SetRunning(bool bb) { Running=bb; }
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void SetName(string name) {Name = name;}
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void AddFeedTank(int tkID);
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void SetMagnetos(int m) { Magnetos = m; }
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void SetStarter(bool s) { Starter = s;}
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/** Calculates the thrust of the engine, and other engine functions.
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@param PowerRequired this is the power required to run the thrusting device
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such as a propeller. This resisting effect must be provided to the
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engine model.
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@return Thrust in pounds */
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virtual double Calculate(double PowerRequired) {return 0.0;};
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/** Reduces the fuel in the active tanks by the amount required.
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This function should be called from within the
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derived class' Calculate() function before any other calculations are
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done. This base class method removes fuel from the fuel tanks as
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appropriate, and sets the starved flag if necessary. */
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void ConsumeFuel(void);
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/** The fuel need is calculated based on power levels and flow rate for that
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power level. It is also turned from a rate into an actual amount (pounds)
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by multiplying it by the delta T and the rate.
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@return Total fuel requirement for this engine in pounds. */
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double CalcFuelNeed(void);
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/** The oxidizer need is calculated based on power levels and flow rate for that
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power level. It is also turned from a rate into an actual amount (pounds)
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by multiplying it by the delta T and the rate.
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@return Total oxidizer requirement for this engine in pounds. */
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double CalcOxidizerNeed(void);
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/// Sets engine placement information
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void SetPlacement(double x, double y, double z, double pitch, double yaw);
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/// Sets the engine number
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void SetEngineNumber(int nn) {EngineNumber = nn;}
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virtual double GetPowerAvailable(void) {return 0.0;};
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bool GetTrimMode(void) {return TrimMode;}
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void SetTrimMode(bool state) {TrimMode = state;}
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protected:
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string Name;
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EngineType Type;
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double X, Y, Z;
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double EnginePitch;
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double EngineYaw;
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double SLFuelFlowMax;
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double SLOxiFlowMax;
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double MaxThrottle;
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double MinThrottle;
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double Thrust;
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double Throttle;
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double Mixture;
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int Magnetos;
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bool Starter;
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double FuelNeed, OxidizerNeed;
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bool Starved;
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bool Flameout;
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bool Running;
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bool Cranking;
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double PctPower;
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int EngineNumber;
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bool TrimMode;
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double ManifoldPressure_inHg;
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double ExhaustGasTemp_degK;
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double CylinderHeadTemp_degK;
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double OilPressure_psi;
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double OilTemp_degK;
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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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FGPropulsion* Propulsion;
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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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vector <int> SourceTanks;
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void Debug(void);
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};
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#include "FGState.h"
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#include "FGFDMExec.h"
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#include "FGAtmosphere.h"
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#include "FGFCS.h"
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#include "FGAircraft.h"
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#include "FGTranslation.h"
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#include "FGRotation.h"
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#include "FGPropulsion.h"
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#include "FGPosition.h"
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#include "FGAuxiliary.h"
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#include "FGOutput.h"
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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#endif
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