path: root/StarsEx/Ship.h

/*  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
    ========
    Starship (or space/ground station) class
*/

#pragma once

#include <cstdint>

#include <List.h>

#include "SimObject.h"
#include "DetailSet.h"
#include "Director.h"
#include "Geometry.h"

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

class Ship;
class Shot;
class Drone;

class Bitmap;
class CombatUnit;
class Computer;
class Contact;
class Drive;
class Element;
class Farcaster;
class FlightComp;
class FlightDeck;
class Hangar;
class InboundSlot;
class Instruction;
class LandingGear;
class MotionController;
class NavLight;
class NavSystem;
class PowerSource;
class QuantumDrive;
class RadioMessage;
class Shield;
class ShieldRep;
class ShipDesign;
class ShipKiller;
class Solid;
class Skin;
class Sound;
class Sensor;
class System;
class Thruster;
class Weapon;
class WeaponDesign;
class WeaponGroup;

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

class Ship : public SimObject,
public SimObserver
{
public:
    static const char* TYPENAME() { return "Ship"; }

    enum CLASSIFICATION {
        DRONE             = 0x0001,
        FIGHTER           = 0x0002,
        ATTACK            = 0x0004,
        LCA               = 0x0008,
        COURIER           = 0x0010,
        CARGO             = 0x0020,
        CORVETTE          = 0x0040,
        FREIGHTER         = 0x0080,
        FRIGATE           = 0x0100,
        DESTROYER         = 0x0200,
        CRUISER           = 0x0400,
        BATTLESHIP        = 0x0800,
        CARRIER           = 0x1000,
        DREADNAUGHT       = 0x2000,

        STATION           = 0x4000,
        FARCASTER         = 0x8000,

        MINE              = 0x00010000,
        COMSAT            = 0x00020000,
        DEFSAT            = 0x00040000,
        SWACS             = 0x00080000,

        BUILDING          = 0x00100000,
        FACTORY           = 0x00200000,
        SAM               = 0x00400000,
        EWR               = 0x00800000,
        C3I               = 0x01000000,
        STARBASE          = 0x02000000,

        DROPSHIPS         = 0x0000000f,
        STARSHIPS         = 0x0000fff0,
        SPACE_UNITS       = 0x000f0000,
        GROUND_UNITS      = 0xfff00000
    };

    enum OP_MODE   { DOCKED, ALERT, LOCKED, LAUNCH, TAKEOFF, ACTIVE, APPROACH, RECOVERY, DOCKING };
    enum FLCS_MODE { FLCS_MANUAL, FLCS_AUTO, FLCS_HELM };
    enum TRAN_TYPE { TRANSITION_NONE,
        TRANSITION_DROP_CAM,
        TRANSITION_DROP_ORBIT,
        TRANSITION_MAKE_ORBIT,
        TRANSITION_TIME_SKIP,
        TRANSITION_DEATH_SPIRAL,
        TRANSITION_DEAD };

    enum FLIGHT_MODEL    { FM_STANDARD, FM_RELAXED, FM_ARCADE };
    enum LANDING_MODEL   { LM_STANDARD, LM_EASIER };

    // CONSTRUCTORS:
    Ship(const char* ship_name, const char* reg_num, ShipDesign* design, int IFF=0, int cmd_ai=0, const int* loadout=0);
    virtual ~Ship();

    int operator == (const Ship& s) const { return id == s.id; }

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

    virtual void      ExecFrame(double seconds);
    virtual void      AeroFrame(double seconds);
    virtual void      StatFrame(double seconds);
    virtual void      DockFrame(double seconds);
    virtual void      LinearFrame(double seconds);
    virtual void      ExecSensors(double seconds);

    void              ExecNavFrame(double seconds);
    void              ExecPhysics(double seconds);
    void              ExecThrottle(double seconds);
    void              ExecSystems(double seconds);

    virtual void      Activate(Scene& scene);
    virtual void      Deactivate(Scene& scene);
    virtual void      SelectDetail(double seconds);
    virtual void      SetRegion(SimRegion* rgn);
    virtual int       GetTextureList(List<Bitmap>& textures);

    // DIRECTION:
    virtual void      SetControls(MotionController* m);
    virtual void      SetNetworkControl(Director* net_ctrl=0);
    void              SetDirectorInfo(const char* msg) { director_info = msg; }
    const char*       GetDirectorInfo()          const { return director_info; }
    void              SetAIMode(int n)                 { ai_mode = static_cast<std::uint8_t>(n); }
    int               GetAIMode()                const { return (int) ai_mode; }
    void              SetCommandAILevel(int n)         { command_ai_level = static_cast<std::uint8_t>(n); }
    int               GetCommandAILevel()        const { return command_ai_level; }
    virtual int       GetFlightPhase()           const { return flight_phase; }
    virtual void      SetFlightPhase(OP_MODE phase);
    bool              IsNetObserver()            const { return net_observer_mode; }
    void              SetNetObserver(bool n)           { net_observer_mode = n;    }

    bool              IsInvulnerable()           const { return invulnerable;      }
    void              SetInvulnerable(bool n)          { invulnerable = n;         }

    double            GetHelmHeading()     const { return helm_heading;  }
    double            GetHelmPitch()       const { return helm_pitch;    }
    void              SetHelmHeading(double h);
    void              SetHelmPitch(double p);
    virtual void      ApplyHelmYaw(double y);
    virtual void      ApplyHelmPitch(double p);
    virtual void      ApplyPitch(double pitch_acc); // override for G limiter

    void              ArcadeStop()               { arcade_velocity *= 0; }

    // CAMERA:
    Point             BridgeLocation()     const { return bridge_vec;       }
    Point             ChaseLocation()      const { return chase_vec;        }
    Point             TransitionLocation() const { return transition_loc;   }

    // FLIGHT DECK:
    Ship*             GetController()    const;
    int               NumInbound()       const;
    int               NumFlightDecks()   const;
    FlightDeck*       GetFlightDeck(int i=0) const;
    Ship*             GetCarrier()       const { return carrier;       }
    FlightDeck*       GetDock()          const { return dock;          }
    void              SetCarrier(Ship* c, FlightDeck* d);
    void              Stow();
    InboundSlot*      GetInbound()      const { return inbound;       }
    void              SetInbound(InboundSlot* s);

    // DRIVE SYSTEMS:
    int               GetFuelLevel()       const; // (0-100) percent of full tank
    void              SetThrottle(double percent);
    void              SetAugmenter(bool  enable);
    double            Thrust(double seconds) const;
    double            VelocityLimit()      const { return vlimit;        }
    Drive*            GetDrive()           const { return main_drive;    }
    double            Throttle()           const { return throttle;      }
    bool              Augmenter()          const { return augmenter;     }
    QuantumDrive*     GetQuantumDrive()    const { return quantum_drive; }
    Farcaster*        GetFarcaster()       const { return farcaster;     }

    bool              IsAirborne()         const;
    bool              IsDropCam()          const { return transition_type == TRANSITION_DROP_CAM;     }
    bool              IsDropping()         const { return transition_type == TRANSITION_DROP_ORBIT;   }
    bool              IsAttaining()        const { return transition_type == TRANSITION_MAKE_ORBIT;   }
    bool              IsSkipping()         const { return transition_type == TRANSITION_TIME_SKIP;    }
    bool              IsDying()            const { return transition_type == TRANSITION_DEATH_SPIRAL; }
    bool              IsDead()             const { return transition_type == TRANSITION_DEAD;         }
    bool              InTransition()       const { return transition_type != TRANSITION_NONE;         }
    void              DropOrbit();
    void              MakeOrbit();
    bool              CanTimeSkip();
    bool              IsInCombat();
    void              TimeSkip();
    void              DropCam(double time=10, double range=0);
    void              DeathSpiral();
    void              CompleteTransition();
    void              SetTransition(double trans_time, int trans_type, const Point& trans_loc);

    double            CompassHeading()     const;
    double            CompassPitch()       const;
    double            AltitudeMSL()        const;
    double            AltitudeAGL()        const;
    double            GForce()             const;

    virtual void      SetupAgility();

    // FLIGHT CONTROL SYSTEM (FLCS):
    void              ExecFLCSFrame();
    void              CycleFLCSMode();
    void              SetFLCSMode(int mode);
    int               GetFLCSMode() const;
    void              SetTransX(double t);
    void              SetTransY(double t);
    void              SetTransZ(double t);

    bool              IsGearDown();
    void              LowerGear();
    void              RaiseGear();
    void              ToggleGear();
    void              ToggleNavlights();

    // WEAPON SYSTEMS:
    virtual void      CheckFriendlyFire();
    virtual void      CheckFire(bool c)          { check_fire = c;               }
    virtual bool      CheckFire()       const    { return (check_fire||net_observer_mode)?true:false; }
    virtual void      SelectWeapon(int n, int w);
    virtual bool      FireWeapon(int n);
    virtual bool      FirePrimary()              { return FireWeapon(primary);   }
    virtual bool      FireSecondary()            { return FireWeapon(secondary); }
    virtual bool      FireDecoy();
    virtual void      CyclePrimary();
    virtual void      CycleSecondary();
    virtual Weapon*   GetPrimary()      const;
    virtual Weapon*   GetSecondary()    const;
    virtual Weapon*   GetWeaponByIndex(int n);
    virtual WeaponGroup* GetPrimaryGroup()      const;
    virtual WeaponGroup* GetSecondaryGroup()    const;
    virtual Weapon*   GetDecoy()        const;
    virtual List<Shot>& GetActiveDecoys();
    virtual void      AddActiveDecoy(Drone* d);
    virtual int*      GetLoadout()               { return loadout; }

    List<Shot>&       GetThreatList();
    void              AddThreat(Shot* s);
    void              DropThreat(Shot* s);

    virtual bool         Update(SimObject* obj);
    virtual const char*  GetObserverName() const { return name; }

    virtual int       GetMissileEta(int index) const;
    virtual void      SetMissileEta(int id, int eta);

    virtual WeaponDesign*   GetPrimaryDesign()      const;
    virtual WeaponDesign*   GetSecondaryDesign()    const;

    virtual void      SetTarget(SimObject* t, System* sub=0, bool from_net=false);
    virtual SimObject* GetTarget()      const    { return target;     }
    virtual System*   GetSubTarget()    const    { return subtarget;  }
    virtual void      CycleSubTarget(int dir=1);
    virtual void      DropTarget();
    virtual void      LockTarget(int  type=SimObject::SIM_SHIP,
    bool closest=false,
    bool hostile=false);
    virtual void      LockTarget(SimObject* candidate);
    virtual bool      IsTracking(SimObject* tgt);
    virtual bool      GetTrigger(int i) const;
    virtual void      SetTrigger(int i);

    Ship*             GetWard()         const    { return ward;          }
    void              SetWard(Ship* s);

    // SHIELD SYSTEMS:
    virtual double    InflictDamage(double damage,
    Shot*  shot        = 0,
    int    hit_type    = 3,
    Point  hull_impact = Point(0,0,0));

    virtual double    InflictSystemDamage(double damage, Shot* shot, Point impact);

    virtual void      InflictNetDamage(double damage, Shot* shot=0);
    virtual void      InflictNetSystemDamage(System* system, double damage, std::uint8_t type);
    virtual void      SetNetSystemStatus(System* system, int status, int power, int reactor, double avail);
    virtual void      SetIntegrity(float n)      { integrity = n;        }

    virtual void      Destroy();
    virtual int       ShieldStrength()  const;
    virtual int       HullStrength()    const;
    virtual int       HitBy(Shot* shot, Point& impact);
    virtual int       CollidesWith(Physical& o);

    // SENSORS AND VISIBILITY:
    virtual int       GetContactID()    const    { return contact_id;    }
    virtual int       GetIFF()          const    { return IFF_code;      }
    virtual void      SetIFF(int iff);
    virtual Color     MarkerColor()     const;
    static  Color     IFFColor(int iff);
    virtual void      DoEMCON();
    virtual double    PCS()             const;
    virtual double    ACS()             const;
    int               NumContacts()     const;   // actual sensor contacts
    List<Contact>&    ContactList();
    virtual int       GetSensorMode()   const;
    virtual void      SetSensorMode(int mode);
    virtual void      LaunchProbe();
    virtual Weapon*   GetProbeLauncher() const   { return probe;         }
    virtual Drone*    GetProbe()        const    { return sensor_drone;  }
    virtual void      SetProbe(Drone* d);
    virtual int       GetEMCON()        const    { return emcon;         }
    virtual void      SetEMCON(int e, bool from_net=false);
    virtual Contact*  FindContact(SimObject* s) const;
    virtual bool      IsHostileTo(const SimObject* o) const;

    // GENERAL ACCESSORS:
    const char*       Registry()        const    { return regnum;        }
    void              SetName(const char* ident) { strcpy_s(name, ident);  }
    const ShipDesign* Design()          const    { return design;        }
    const char*       Abbreviation()    const;
    const char*       DesignName()      const;
    const char*       DesignFileName()  const;
    static const char* ClassName(int c);
    static int        ClassForName(const char* name);
    const char*       ClassName()       const;
    CLASSIFICATION    Class()           const;
    bool              IsGroundUnit()    const;
    bool              IsStarship()      const;
    bool              IsDropship()      const;
    bool              IsStatic()        const;
    bool              IsRogue()         const;
    void              SetRogue(bool r=true);
    int               GetFriendlyFire() const    { return ff_count;      }
    void              SetFriendlyFire(int f);
    void              IncFriendlyFire(int f=1);
    double            Agility()         const    { return agility;       }
    std::uint32_t     MissionClock()    const;
    Graphic*          Cockpit()         const;
    void              ShowCockpit();
    void              HideCockpit();
    int               Value()           const;
    double            AIValue()         const;
    static int        Value(int type);

    const Skin*       GetSkin()         const    { return skin;          }
    void              UseSkin(const Skin* s)     { skin = s;             }
    void              ShowRep();
    void              HideRep();
    void              EnableShadows(bool enable);

    int               RespawnCount()    const    { return respawns;      }
    void              SetRespawnCount(int r)     { respawns = r;         }
    const Point&      RespawnLoc()      const    { return respawn_loc;   }
    void              SetRespawnLoc(const Point& rl)
    { respawn_loc = rl;     }

    double            WarpFactor()      const    { return warp_fov;      }
    void              SetWarp(double w)          { warp_fov = (float) w; }

    void              MatchOrientation(const Ship& s);

    // ORDERS AND NAVIGATION:
    void                    ExecEvalFrame(double seconds);
    void                    SetLaunchPoint(Instruction* pt);
    void                    AddNavPoint(Instruction* pt, Instruction* afterPoint=0);
    void                    DelNavPoint(Instruction* pt);
    void                    ClearFlightPlan();
    Instruction*            GetNextNavPoint();
    int                     GetNavIndex(const Instruction* n);
    double                  RangeToNavPoint(const Instruction* n);
    void                    SetNavptStatus(Instruction* n, int status);
    List<Instruction>&      GetFlightPlan();
    int                     FlightPlanLength();
    CombatUnit*             GetCombatUnit()   const { return combat_unit; }
    Element*                GetElement()      const { return element; }
    Ship*                   GetLeader()       const;
    int                     GetElementIndex() const;
    int                     GetOrigElementIndex() const;
    void                    SetElement(Element* e);

    Instruction*            GetRadioOrders()  const;
    void                    ClearRadioOrders();
    void                    HandleRadioMessage(RadioMessage* msg);
    bool                    IsAutoNavEngaged();
    void                    SetAutoNav(bool engage=true);
    void                    CommandMode();

    void                    ClearTrack();
    void                    UpdateTrack();
    int                     TrackLength()     const { return ntrack;   }
    Point                   TrackPoint(int i) const;

    // DAMAGE CONTROL AND ENGINEERING:
    List<System>&           RepairQueue()        { return repair_queue; }
    double                  RepairSpeed() const;
    int                     RepairTeams() const;
    void                    RepairSystem(System* sys);
    void                    IncreaseRepairPriority(int task_index);
    void                    DecreaseRepairPriority(int task_index);
    void                    ExecMaintFrame(double seconds);
    bool                    AutoRepair()    const { return auto_repair;    }
    void                    EnableRepair(bool e)  { auto_repair = e;       }
    bool                    MasterCaution() const { return master_caution; }
    void                    ClearCaution()       { master_caution = 0; }

    // SYSTEM ACCESSORS:
    List<System>&           Systems()            { return systems;       }
    List<WeaponGroup>&      Weapons()            { return weapons;       }
    List<Drive>&            Drives()             { return drives;        }
    List<Computer>&         Computers()          { return computers;     }
    List<FlightDeck>&       FlightDecks()        { return flight_decks;  }
    List<PowerSource>&      Reactors()           { return reactors;      }
    List<NavLight>&         NavLights()          { return navlights;     }
    Shield*                 GetShield()          { return shield;        }
    Solid*                  GetShieldRep()       { return (Solid*) shieldRep; }
    Sensor*                 GetSensor()          { return sensor;        }
    NavSystem*              GetNavSystem()       { return navsys;        }
    FlightComp*             GetFLCS()            { return flcs;          }
    Thruster*               GetThruster()        { return thruster;      }
    Hangar*                 GetHangar()          { return hangar;        }
    LandingGear*            GetGear()            { return gear;          }

    System*                 GetSystem(int sys_id);

    static int              GetControlModel()       { return control_model; }
    static void             SetControlModel(int n)  { control_model = n;    }
    static int              GetFlightModel()        { return flight_model;  }
    static void             SetFlightModel(int f)   { flight_model = f;     }
    static int              GetLandingModel()       { return landing_model; }
    static void             SetLandingModel(int f)  { landing_model = f;    }
    static double           GetFriendlyFireLevel()  { return friendly_fire_level; }
    static void             SetFriendlyFireLevel(double f)
    { friendly_fire_level = f;    }

protected:
    int               CheckShotIntersection(Shot* shot, Point& ipt, Point& hpt, Weapon** wep=0);
    WeaponGroup*      FindWeaponGroup(const char* name);

    char              regnum[16];
    ShipDesign*       design;
    ShipKiller*       killer;
    DetailSet         detail;
    int               detail_level;
    Sim*              sim;
    double            vlimit;
    double            agility;
    double            throttle;
    double            throttle_request;
    bool              augmenter;
    float             wep_mass;
    float             wep_resist;

    int               IFF_code;
    int               cmd_chain_index;
    int               ff_count;
    OP_MODE           flight_phase;

    SimObject*        target;
    System*           subtarget;
    Ship*             ward;
    int               check_fire;
    int               primary;
    int               secondary;

    const Skin*       skin;
    Solid*            cockpit;
    Drive*            main_drive;
    QuantumDrive*     quantum_drive;
    Farcaster*        farcaster;
    Shield*           shield;
    ShieldRep*        shieldRep;
    NavSystem*        navsys;
    FlightComp*       flcs;
    Sensor*           sensor;
    LandingGear*      gear;
    Thruster*         thruster;
    Weapon*           decoy;
    Weapon*           probe;
    Drone*            sensor_drone;
    Hangar*           hangar;
    List<Shot>        decoy_list;
    List<Shot>        threat_list;

    List<System>      systems;
    List<PowerSource> reactors;
    List<WeaponGroup> weapons;
    List<Drive>       drives;
    List<Computer>    computers;
    List<FlightDeck>  flight_decks;
    List<NavLight>    navlights;
    List<System>      repair_queue;

    CombatUnit*       combat_unit;
    Element*          element;
    int               orig_elem_index;
    Instruction*      radio_orders;
    Instruction*      launch_point;

    Vec3              chase_vec;
    Vec3              bridge_vec;

    const char*       director_info;
    std::uint8_t      ai_mode;
    std::uint8_t      command_ai_level;
    std::uint8_t      flcs_mode;
    bool              net_observer_mode;

    float             pcs;  // passive sensor cross section
    float             acs;  // active  sensor cross section
    std::uint8_t      emcon;
    std::uint8_t      old_emcon;
    bool              invulnerable;

    std::uint32_t     launch_time;
    std::uint32_t     friendly_fire_time;

    Ship*             carrier;
    FlightDeck*       dock;
    InboundSlot*      inbound;

    Director*         net_control;

    Point*            track;
    int               ntrack;
    std::uint32_t     track_time;

    float             helm_heading;
    float             helm_pitch;

    float             altitude_agl;
    float             g_force;

    float             warp_fov;

    float             transition_time;
    int               transition_type;
    Point             transition_loc;
    Point             respawn_loc;
    int               respawns;

    bool              master_caution;
    bool              auto_repair;
    std::uint32_t     last_repair_time;
    std::uint32_t     last_eval_time;
    std::uint32_t     last_beam_time;
    std::uint32_t     last_bolt_time;

    int               missile_id[4];
    std::uint8_t      missile_eta[4];
    bool              trigger[4];
    int*              loadout;

    int               contact_id;

    static int        control_model;
    static int        flight_model;
    static int        landing_model;
    static double     friendly_fire_level;
};