function scr_become_light()
{
    if (scr_litemcheck(5) == 0)
        scr_litemget(5);
    if (scr_keyitemcheck(2))
    {
        if (scr_litemcheck(8) == 0)
            scr_litemget(8);
    }
    if (scr_keyitemcheck(13))
    {
        if (scr_litemcheck(11) == 0)
            scr_litemget(11);
    }
    else
    {
        scr_litemremove(11);
    }
    global.lhp = ceil(global.hp[1] / global.maxhp[1]) * global.lmaxhp;
    if (global.lhp < 1)
        global.lhp = 1;
    if (global.lhp > global.lmaxhp)
        global.lhp = global.lmaxhp;
    global.lwstrength = 1;
    if (global.charweapon[1] == 1)
        global.lweapon = 2;
    if (global.charweapon[1] == 5)
        global.lweapon = 6;
    if (global.charweapon[1] == 8)
        global.lweapon = 7;
    global.darkzone = 0;
}