TankPosition.h

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D 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 General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#if !defined(__INCLUDE_TankPositionh_INCLUDE__)
#define __INCLUDE_TankPositionh_INCLUDE__

#include <net/NetBuffer.h>
#include <vector>

class Tank;
class ScorchedContext;
class TankPosition
{
public:

        struct ShotEntry
        {
                ShotEntry(fixed p = 0, fixed r = 0, fixed e = 0) : 
                        power(p), rot(r), ele(e) { }
        
                fixed power;
                fixed rot;
                fixed ele;
                bool current;
        };

        TankPosition(ScorchedContext &context);
        virtual ~TankPosition();

        void setTank(Tank *tank) { tank_ = tank; }

        // State change
        void clientNewGame();
        void madeShot();
        void newGame();
        
        // Saved settings
        fixed getRotationXYDiff();
        fixed getRotationYZDiff();
        fixed getPowerDiff();
        void revertSettings(unsigned int index = 0);
        void undo();
        std::vector<ShotEntry> &getOldShots();

        // Gun/Turret Rotation
        fixed rotateGunXY(fixed angle, bool diff=true);
        fixed rotateGunYZ(fixed angle, bool diff=true);
        fixed getRotationGunXY() { return turretRotXY_; }
        fixed getRotationGunYZ() { return turretRotYZ_; }

        // Select position
        int getSelectPositionX() { return selectPositionX_; }
        int getSelectPositionY() { return selectPositionY_; }
        void setSelectPosition(int x, int y) { 
                selectPositionX_ = x; selectPositionY_ = y; }

        // Power of gun
        fixed getPower() { return power_; }
        fixed changePower(fixed power, bool diff=true);

        fixed getMaxPower() { return maxPower_; }
        void setMaxPower(fixed power) { maxPower_ = power; }

        // Position
        FixedVector &getVelocityVector();
        FixedVector &getTankPosition(); // Position of center bottom of tank
        FixedVector &getTankTurretPosition(); // Position of center of turret
        FixedVector &getTankGunPosition(); // Position of end of gun

        const char *getRotationString();
        const char *getElevationString();
        const char *getPowerString();

        // Serialize the tank
        bool writeMessage(NetBuffer &buffer);
        bool readMessage(NetBufferReader &reader);

protected:
        ScorchedContext &context_;
        Tank *tank_;

        // Turret angles
        std::vector<ShotEntry> oldShots_;
        fixed turretRotXY_, turretRotYZ_, power_;
        fixed oldTurretRotXY_, oldTurretRotYZ_, oldPower_;
        fixed maxPower_;
        int selectPositionX_, selectPositionY_;
};

#endif

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