serverDisp

os.loadAPI("buttonAPI")
m = peripheral.wrap("bottom")
m.setTextScale(2)

local count = 1

function centerText(text, posY)
  local x, y = m.getSize()
  m.setCursorPos(math.ceil((x / 2) - (text:len() / 2)), posY)
  m.write(text)
end

function fillTable()
  buttonAPI.setTable("Back", back, 2, 13, 16, 19)
  buttonAPI.setTable("Forward", fwd, 24, 35, 16, 19)
  buttonAPI.screen()
end

function getClick()
  event, side, x, y = os.pullEvent("monitor_touch")
  buttonAPI.checkxy(x,y)
end

function back()
  buttonAPI.flash("Back")

  if count == 2 then
    dispOne()
    count = 1
  elseif count == 3 then
    dispTwo()
    count = 2
  end
end

function fwd()
  buttonAPI.flash("Forward")

  if count == 1 then
    dispTwo()
    count = 2
  elseif count == 2 then
    dispThree()
    count = 3
  end
end

function dispOne()
  m.clear()
  fillTable()
  centerText("1/3", 1)
  centerText("Welcome to UmbraCraft", 5)
  centerText("Oceanic Minecraft Community", 7)
  centerText("Newcomers please read", 9)
end

function dispTwo()
  m.clear()
  fillTable()
  centerText("2/3", 1)
  centerText("Rules:", 5)
  centerText("Be Friendly", 7)
  centerText("No Griefing", 8)
  centerText("Follow these 2 basic rules", 10)
  centerText("and all should be well", 11)
end

function dispThree()
  m.clear()
  fillTable()
  centerText("3/3", 1)
  centerText("Useful Commands:", 5)
  centerText("/nv - turn on Night Vision", 7)
  centerText("/nv off - turn off Night Vision", 8)
end

dispOne()

while true do
  getClick()
end