class Weapon : public Rotatable
{
    public:
    Weapon()
    {
    };
    ~Weapon()
    {
    };

    virtual void Fire(double time)
    {
    }
    virtual bool CheckLOS(Rotatable target, float tolerance)
    {
        SF3dVector wp_pos= Position+F3dVector(dx,dy,dz);
        SF3dVector locator=Normalize3dVector(target.GetPos()-wp_pos);
        float angle=acosf(locator*ViewDir);
        if(angle<=tolerance)
            return true;
        return false;

    }
    virtual void Update()
    {
    }

    protected:
    float damage; // Damage Per Projectile / Damage Per Second (for beams)
    float speed; // Velocity of each round
    int ammo; // How much ammo is available (use -1 if unlimited)
    int ammomax; // How much ammo the weapon can have in total (use -1 if unlimited)
    double timelastfired;  // Pretty self-explanitory, dont ya think?
    float reloadtime; // How long it takes for the weapon to reload between shots
    float dx; // X location relative to parent
    float dy; // Y location relative to parent
    float dz; // Z location relative to parent
    float pitch; // Pitch relative to parent (rotation about parent's X axis
    float yaw; // Yaw relative to parent (rotation about parent's Y axis
    Rotatable* parent; // A reference to the parent ship, to facilitate easier updates.
    SF3dVector *TView;
    SF3dVector *TUp;
    SF3dVector *TRight;
    SF3dVector *TPos;

    //etc
};
class KEW_Small_Gun : public Weapon
{
    public:
    KEW_Small_Gun(float vel, float dmg, SF3dVector view, SF3dVector up, SF3dVector right, SF3dVector pos,                   float dispx, float dispy, float dispz, float rx, float ry)
    {
        speed = vel;
        damage = dmg;
        dx = dispx;
        dy = dispy;
        dz = dispz;
        pitch = rx;
        yaw = ry;

        Position = pos;
        ViewDir = view;
        UpVector = up;
        RightVector = right;

        TPos = *pos;
        TView = *view;
        TUp = *up;
        TRight = *right;
        MoveForward(-dz);
        StrafeRight(dx);
        MoveUpward(dy);
        RotateX(pitch);
        RotateY(yaw);
    }
    void Fire()
    {
        if(timeGetTime()-timelastfired >= reloadtime && (ammo > 0 || ammo == -1))
        {
            allprojectiles.push_back(new KEW_Small(speed, damage, this));
            timelastfired = timeGetTime();
            if(ammo > 0)
            {
                ammo-=1;
            }
        }

    }
    bool CheckLOS()
    {
    }
    void Update() // Updates position
    {
        Position = TPos;
        ViewDir = TView;
        UpVector = TUp;
        RightVector = TRight;
        MoveForward(-dz);
        StrafeRight(dx);
        MoveUpward(dy);
        RotateX(pitch);
        RotateY(yaw);

        glPushMatrix();
        glTranslated(Position.x, Position.y, Position.z);
        glColor4d(1.0, 0.0, 0.0, 1.0);
        glBegin(GL_LINES);
           glVertex3d(GetX(), GetY(), GetZ());
           glVertex3d(GetX(), GetY(), GetZ()+5);
        glEnd();
        glPopMatrix();
    }
};