Change Arrow Dir with Keypress for Aefre

//Call before Waitdraw() in your global active script.
///Optimised function to allow controlling the direction of silver and gold arrows.
void ArrowDirChange()
{
    int btn;
    if ( Link->InputA )
    {
        if ( GetEquipmentA() == I_ARROW2 ) btn = 2;
        if ( GetEquipmentB() == I_ARROW2 ) btn = 4;

    }
    if ( Link->InputB )
    {

        if ( GetEquipmentB() == I_ARROW3 ) btn = 3;
        if ( GetEquipmentB() == I_ARROW3 ) btn = 6;
    }
    //silver
    if ( btn ) //n0 mod by zero
    {
        if (!( btn % 2 ))
        {
            if ( Link->PressR )
            {
                lweapon silv;
                for ( int q = Screen->NumLWeapons(); q > 0; --q )
                {
                    silv = Screen->LoadWeapon(q);
                    if ( silv->Damage >= 4 )
                    {
                        //only once.
                        if ( silv->Misc[LW_MISC_SILARROW] ) break;
                        else
                        {
                            if ( Link->PressLeft ) { ++silv->Misc[LW_MISC_SILARROW]; silv->Dir = DIR_LEFT; break;}
                            if ( Link->PressRight ) { ++silv->Misc[LW_MISC_SILARROW]; silv->Dir = DIR_RIGHT;  break;}
                            if ( Link->PressUp ) { ++silv->Misc[LW_MISC_SILARROW]; silv->Dir = DIR_UP;  break;}
                            if ( Link->PressDown ) { ++silv->Misc[LW_MISC_SILARROW]; silv->Dir = DIR_DOWN;  break;}
                            break;
                        }
                    }
                }
            }
        }

        if (!( btn % 3 )) //gold
        {
            if ( Link->PressR )
            {
                lweapon gold;
                for ( int q = Screen->NumLWeapons(); q > 0; --q )
                {
                    gold = Screen->LoadWeapon(q);
                    if ( gold->Damage >= 8 )
                    {
                        if ( Link->PressLeft ) gold->Dir = DIR_LEFT;
                        if ( Link->PressRight ) gold->Dir = DIR_RIGHT;
                        if ( Link->PressUp ) gold->Dir = DIR_UP;
                        if ( Link->PressDown ) gold->Dir = DIR_DOWN;
                        break;
                    }
                }
            }
        }
    }
}