FixedGuns.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef FIXEDGUNS_H
#define FIXEDGUNS_H
 
#include "Json.h"
#include "Projectile.h"
#include "scenegraph/Model.h"
#include "vector3.h"
 
class DynamicBody;
class Space;
 
enum Guns {
    GUN_FRONT,
    GUN_REAR,
    GUNMOUNT_MAX = 2
};
 
class FixedGuns : public RefCounted {
public:
    FixedGuns();
    virtual ~FixedGuns();
    void Init(DynamicBody *b);
    void InitGuns(SceneGraph::Model *m);
 
    virtual void SaveToJson(Json &jsonObj, Space *space);
    virtual void LoadFromJson(const Json &jsonObj, Space *space);
 
    void UpdateGuns(float timeStep);
    void UpdateLead(float timeStep, int num, Body *ship, Body *target);
    bool Fire(int num, Body *ship);
    void SetGunFiringState(int idx, int s);
    void SetShouldUseLeadCalc(bool enable) { m_shouldUseLeadCalc = enable; }
 
    bool IsFiring();
    bool IsFiring(const int num);
    bool IsBeam(const int num);
    inline void IsDual(int idx, bool dual) { m_gun[idx].dual = dual; };
 
    void MountGun(const int num, const float recharge, const float lifespan, const float damage, const float length,
        const float width, const bool mining, const Color &color, const float speed, const bool beam, const float heatrate, const float coolrate);
    void UnMountGun(int num);
 
    float GetGunTemperature(int idx) const;
    inline bool IsGunMounted(int idx) const { return m_gun_present[idx]; }
    inline float GetGunRange(int idx) const { return m_gun[idx].projData.speed * m_gun[idx].projData.lifespan; };
    inline float GetProjSpeed(int idx) const { return m_gun[idx].projData.speed; };
    inline const vector3d &GetTargetLeadPos() const { return m_targetLeadPos; }
    inline const vector3d &GetCurrentLeadDir() const { return m_currentLeadDir; }
    inline void SetCoolingBoost(float cooler) { m_cooler_boost = cooler; };
 
private:
    struct GunData {
        struct GunLoc {
            vector3d pos;
            vector3d dir;
        };
        std::vector<GunLoc> locs;
        float recharge;
        float temp_heat_rate;
        float temp_cool_rate;
        bool dual;
        ProjectileData projData;
    };
 
    bool m_is_firing[Guns::GUNMOUNT_MAX];
    float m_recharge_stat[Guns::GUNMOUNT_MAX];
    float m_temperature_stat[Guns::GUNMOUNT_MAX];
    //TODO: Make it a vector and rework struct Gun to have bool dir={Forward,Backward}
    bool m_gun_present[Guns::GUNMOUNT_MAX];
    GunData m_gun[Guns::GUNMOUNT_MAX];
    float m_cooler_boost;
    bool m_shouldUseLeadCalc = false;
    vector3d m_targetLeadPos;
    vector3d m_currentLeadDir;
};
 
#endif // FIXEDGUNS_H