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00001 /* 00002 * Stellarium 00003 * Copyright (C) 2002 Fabien Chereau 00004 * 00005 * This program is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU General Public License 00007 * as published by the Free Software Foundation; either version 2 00008 * of the License, or (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 */ 00019 00020 #ifndef _STELOBSERVER_HPP_ 00021 #define _STELOBSERVER_HPP_ 00022 00023 #include "StelLocation.hpp" 00024 #include <QObject> 00025 #include <QString> 00026 #include <QSharedPointer> 00027 #include "VecMath.hpp" 00028 #include "Planet.hpp" 00029 00030 class ArtificialPlanet; 00031 class StelObserver; 00032 00035 class StelObserver : public QObject 00036 { 00037 Q_OBJECT 00038 00039 public: 00041 StelObserver(const StelLocation& loc); 00042 ~StelObserver(); 00043 00045 virtual void update(double deltaTime) {;} 00046 00048 Vec3d getCenterVsop87Pos(void) const; 00050 double getDistanceFromCenter(void) const; 00051 Mat4d getRotAltAzToEquatorial(double jd) const; 00052 Mat4d getRotEquatorialToVsop87(void) const; 00053 00054 virtual const QSharedPointer<Planet> getHomePlanet(void) const; 00055 00057 virtual const StelLocation& getCurrentLocation() const {return currentLocation;} 00058 00061 virtual bool isObserverLifeOver() const {return false;} 00062 00064 virtual StelObserver* getNextObserver() const {return new StelObserver(currentLocation);} 00065 00066 protected: 00067 StelLocation currentLocation; 00068 QSharedPointer<Planet> planet; 00069 }; 00070 00073 class SpaceShipObserver : public StelObserver 00074 { 00075 public: 00076 SpaceShipObserver(const StelLocation& startLoc, const StelLocation& target, double transitSeconds=1.f); 00077 ~SpaceShipObserver(); 00078 00080 virtual void update(double deltaTime); 00081 virtual const QSharedPointer<Planet> getHomePlanet() const; 00082 virtual bool isObserverLifeOver() const {return timeToGo <= 0.;} 00083 virtual StelObserver* getNextObserver() const {return new StelObserver(moveTargetLocation);} 00084 00085 private: 00086 StelLocation moveStartLocation; 00087 StelLocation moveTargetLocation; 00088 QSharedPointer<Planet> artificialPlanet; 00089 double timeToGo; 00090 double transitSeconds; 00091 }; 00092 00093 #endif // _STELOBSERVER_HPP_ 00094