obj
    meters
        icon = 'misc.dmi'
        icon_state="thing"
        layer = MOB_LAYER + 51
        screen_loc = "SOUTH, WEST"
        var
            obj/meter/HP_meter/HPM
            obj/meter/EP_meter/EPM
            obj/meter/MP_meter/MPM
        New()
            ..()
            src.HPM = new
            src.EPM = new
            src.MPM = new
        proc
            Update()
                src.HPM.Update()
                overlays -= HPM
                overlays += HPM
                src.EPM.Update()
                overlays -= EPM
                overlays += EPM
                src.MPM.Update()
                overlays -= MPM
                overlays += MPM
    meter
        var
            num = 0
            width = 30
        HP_meter
            layer = MOB_LAYER + 100
            icon = 'meter.dmi'
            icon_state = "30" //that's zero, not ( ) or O
            screen_loc="6,7"
        EP_meter
            layer = MOB_LAYER + 100
            icon = 'meterb.dmi'
            icon_state = "30" //that's zero, not ( ) or O
            screen_loc="6,7"
        MP_meter
            layer = MOB_LAYER + 100
            icon = 'meterc.dmi'
            icon_state = "30" //that's zero, not ( ) or O
            screen_loc="6,7"
        proc
            Update()
                if(num < 0) //if the meter is negative
                    num = 0 //set it to zero
                else if(num > width) //if the meter is over 100%
                    num = width //set it to 100%
                src.icon_state = "[round(src.num)]"