if (global.invc < 1)
{
    dmgamt = round(dmg - ((global.df + global.adef) / 5));
    if (dmgamt < 1)
        dmgamt = 1;
    global.hp -= dmgamt;
    snd_play(snd_hurt1);
    global.hshake = 2;
    global.shakespeed = 2;
    global.vshake = 2;
    instance_create(0, 0, obj_shaker);
    global.invc = global.inv * 2;
}