/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2024, 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
    ========
    Conventional Thruster (system) class
*/

#pragma once

#include <cstdint>

#include <List.h>

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

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

class Ship;

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

struct ThrusterPort {
    static const char* TYPENAME() { return "ThrusterPort"; }

    ThrusterPort(int t, const Point& l, std::uint32_t f, float s);
    ~ThrusterPort();

    int         type;
    std::uint32_t fire;
    float       burn;
    float       scale;
    Point       loc;
    Graphic*    flare;
    Graphic*    trail;
};

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

class Thruster : public System
{
public:
    static const char* TYPENAME() { return "Thruster"; }

    enum Constants {
        LEFT,  RIGHT, FORE,    AFT,     TOP,    BOTTOM,
        YAW_L, YAW_R, PITCH_D, PITCH_U, ROLL_L, ROLL_R
    };

    Thruster(int dtype, double thrust, float flare_scale=0);
    Thruster(const Thruster& rhs);
    virtual ~Thruster();

    static void       Initialize();
    static void       Close();

    virtual void      ExecFrame(double seconds);
    virtual void      ExecTrans(double x, double y, double z);
    virtual void      SetShip(Ship* s);

    virtual double    TransXLimit();
    virtual double    TransYLimit();
    virtual double    TransZLimit();

    virtual void      AddPort(int type, const Point& loc, std::uint32_t fire, float flare_scale=0);
    virtual void      CreatePort(int type, const Point& loc, std::uint32_t fire, float flare_scale);

    int               NumThrusters()       const;
    Graphic*          Flare(int engine)    const;
    Graphic*          Trail(int engine)    const;
    virtual void      Orient(const Physical* rep);
    virtual double    GetRequest(double seconds) const;

protected:
    void              IncBurn(int inc, int dec);
    void              DecBurn(int a,   int b);

    Ship*             ship;
    float             thrust;
    float             scale;
    float             burn[12];

    float             avail_x,   avail_y,    avail_z;
    float             trans_x,   trans_y,    trans_z;
    float             roll_rate, pitch_rate, yaw_rate;
    float             roll_drag, pitch_drag, yaw_drag;

    List<ThrusterPort>   ports;
};