Control Spawn Center

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--    Control Spawn Center      --
--                              --
-- https://youtu.be/cPGYSG19Y2U --
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mon = peripheral.wrap("right")
rednet.open("bottom")
turtleId = 11
buttons = {}

function greateButton(mon,text,mob)
  bxmin,bymin = mon.getCursorPos()
  bxmax = bxmin + #text
  bymax = bymin
  buttons[mob.slot] = {["mob"] = mob, ["text"] = text, ["slot"] = mob.slot, ["name"] = mob.name, ["xmin"] = bxmin, ["ymin"] = bymin, ["xmax"] = bxmax, ["ymax"] = bymax}
  mon.setBackgroundColor(colors.blue)
  println (mon, text)
  mon.setBackgroundColor(colors.black)
end

function command(cname,args)
  if (args) then
    cmd = {["cname"] = cname, ["args"] = args}
  else
    cmd = {["cname"] = cname}
  end
  rednet.send(turtleId, cmd)
  senderId, message, distance = rednet.receive(5)
  return message
end

function println(mon,text)
  cx,cy = mon.getCursorPos()
  mon.write(text)
  mon.setCursorPos(cx,cy+1)
end

function essenseStats()
  tankInfo = command("getTankInfo",nil)
  mon.setCursorPos(42,1)
  println(mon,"Stats")
  println(mon,"Essense:")
  if (tankInfo.amount) then
    am = tankInfo.amount
  else
    am = 0
  end
  println(mon,tostring(am))
  if (command("getSpawnExact",nil)) then
    div = 500
  else
    div = 150
  end
  println(mon,"~"..math.floor(am/div).." mobs")
  greateButton(mon,"Exact:",{slot = 100,command = "swapExact"})
  isExact = command("getSpawnExact",nil)
  println(mon,tostring(isExact))
end

function init(mon,mobs,currentMob)
  mon.clear()
  mon.setCursorPos(1,1)
  sx,sy = mon.getSize()
  println(mon,"All Available Mobs:")
  numnom = 1
  for i,mob in pairs(mobs) do
    if (i ~= 0) then
      if (numnom == 8) then
        mon.setCursorPos(21,2)
      end
      greateButton(mon,i..": "..mob.name, mob)
      numnom = numnom + 1
    end
  end
  mon.setCursorPos(1,9)
  greateButton(mon,"EMPTY",mobs[0])
  mon.setCursorPos(1,10)
  println(mon,"Currently selected mob:")
  println(mon,currentMob.slot..": "..currentMob.name)
  mon.setBackgroundColor(colors.blue)
  println(mon, "REFRESH")
  mon.setBackgroundColor(colors.black)
  essenseStats()
end

function checkButtons(x,y)
  for i,button in pairs(buttons) do
    if (x>=button.xmin and x<=button.xmax and y>=button.ymin and y<=button.ymax) then
      return button.mob
    end
  end
  return false
end

while true do
  mobs = command("getAllMobs",nil)
  currentMob = command("getCurrentMob",nil)
  init(mon,mobs,currentMob)
  event,side,posX,posY = os.pullEvent("monitor_touch")
  selectedMob = checkButtons(posX,posY)
  if (selectedMob ~= false) then
    --println(mon,"You clicked on "..selectedMob.name)
    if (selectedMob.command) then
      if (selectedMob.command == "swapExact") then
        currentExact = command("getSpawnExact",nil)
        command("setSpawnExact", {[1] = not(currentExact)})
      end
    else
      command("fromSpawnerToChest",nil)
      command("fromChestToSpawner",{[1] = selectedMob})
    end
  else
   -- println(mon,"You clicked on non button area ("..posX..","..posY..")")
  end
--  sleep(5)
end

--print(command("selectMob", {[1] = mob}))