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/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Quantum (JUMP) Drive (system) class
*/

#ifndef QuantumDrive_h
#define QuantumDrive_h

#include "Types.h"
#include "System.h"
#include "Geometry.h"

// +--------------------------------------------------------------------+

class Ship;
class SimRegion;

// +--------------------------------------------------------------------+

class QuantumDrive : public System
{
public:
    enum SUBTYPE { QUANTUM, HYPER };

    QuantumDrive(SUBTYPE s, double capacity, double sink_rate);
    QuantumDrive(const QuantumDrive& rhs);
    virtual ~QuantumDrive();

    enum ACTIVE_STATES {
        ACTIVE_READY, ACTIVE_COUNTDOWN, ACTIVE_PREWARP, ACTIVE_POSTWARP
    };

    void              SetDestination(SimRegion* rgn, const Point& loc);
    bool              Engage(bool immediate=false);
    int               ActiveState() const { return active_state; }
    double            WarpFactor()  const { return warp_fov;     }
    double            JumpTime()    const { return jump_time;    }
    virtual void      PowerOff();

    virtual void      ExecFrame(double seconds);

    void              SetShip(Ship* s)  { ship = s;    }
    Ship*             GetShip() const   { return ship; }

    double            GetCountdown() const    { return countdown; }
    void              SetCountdown(double d)  { countdown = d;    }

protected:
    void              Jump();
    void              AbortJump();

    int               active_state;

    Ship*             ship;
    double            warp_fov;
    double            jump_time;
    double            countdown;

    SimRegion*        dst_rgn;
    Point             dst_loc;
};

#endif // QuantumDrive_h