Does this offset the addresses?

//old


class weapon : public sprite
{
private:
    void seekLink();
    void seekEnemy(int j);
    int seekEnemy2(int j);

public:
    int power,type,dead,clk2,misc2,ignorecombo;
    bool isLit; //if true, this weapon is providing light to the current screen
    int parentid, //Enemy who created it
        parentitem; //Item which created it
    int dragging;
    fix step;
    bool bounce, ignoreLink;
    word flash,wid,aframe,csclk;
    int o_tile, o_cset, o_speed, o_type, frames, o_flip;
    int temp1;
    bool behind;

///...other stuff
}

//new


class weapon : public sprite
{
private:
    void seekLink();
    void seekEnemy(int j);
    int seekEnemy2(int j);

public:
    int power,type,dead,clk2,misc2,ignorecombo,scriptrange,blastsfx;
                       //! Does inserting ScriptRange here offset expected memory addresses for 2.10 quests?
    bool isLit; //if true, this weapon is providing light to the current screen
    int parentid, //Enemy who created it
        parentitem; //Item which created it
    int dragging;
    fix step;
    bool bounce, ignoreLink;
    word flash,wid,aframe,csclk;
    int o_tile, o_cset, o_speed, o_type, frames, o_flip;
    int temp1;
    bool behind;/...
}