progressBar

modem = peripheral.wrap("bottom")
for i = 1,10 do
    modem.open(i)
end

self = "turtle_226"
tank = "industrialforegoing:black_hole_tank_tile_6"
spawner = peripheral.wrap("industrialforegoing:mob_duplicator_tile_35")
sensor = peripheral.wrap("right")
tool = peripheral.wrap("industrialforegoing:black_hole_unit_tile_224")
dump = peripheral.wrap("railcraft:chest_void_2")

function spawn(wave)
    spawner.pullFluid(tank,8000,"essence")
    turtle.select(wave)
    redstone.setOutput("front",true)
    spawner.pullItems(self,11)
    sleep(0.2)
    turtle.place()
    spawner.pushItems(self,7)
    redstone.setOutput("front",false)
end

function clearWither()
    tool.pushItems(self,1,16,1)
    turtle.select(16)
    turtle.place()
    dump.pullItems(self,16)
    turtle.select(1)
end

function dumpStars()
    if turtle.getItemCount(12) > 0 then
        dump.pullItems(self,12)
    end
end

function getMsg()
    while true do
        msg = {os.pullEvent("modem_message")}
        wave = msg[3]
        prog = msg[4]
    end
end

function manageBar()
    while true do
        if (wave and prog) then
            spawn(wave)
            currentWave = wave
            while sensor.getMetaByName("WitherBoss") do
                if wave ~= currentWave then
                    clearWither()
                else
                    if ((sensor.getMetaByName("WitherBoss").health/3) > prog) then
                        turtle.attack()
                    end
                end
            end
            dumpStars()
        elseif sensor.getMetaByName("WitherBoss") then
            clearWither()
        else
            sleep()
        end
    end
end

parallel.waitForAll(getMsg,manageBar)