Armor Hud Example

--theincgi.armorHud = nil
theincgi = theincgi or {}
theincgi.armorHud = theincgi.armorHud or {}
local hud = theincgi.armorHud
--local hud = {}
--log(theincgi)

hud.running = not hud.running
if(not hud.running)then log("Armor HUD: &c&BOFF") return end

--if(hud.slots == nil or #hud.slots==0)then
  hud.slots = {}
  hud.bbar = {}
  hud.bars = {}
  for i=1, 4 do
    local y = 5 + 16*i
    hud.slots[i] = hud2D.newItem(nil, 5, y)
--    hud.texts[i] = --hud2D.newText("",  5, 13+16*i)
--    hud.texts[i].setTextSize(1)
    y=y+15
    hud.bbar[i] = hud2D.newRectangle(5, y, 16, 1)
    hud.bbar[i].setColor(0xFFFF0000)
    hud.bars[i] = hud2D.newRectangle(5, y, 16, 1)
    hud.bars[i].setColor(0xFF00FF00)
  end
--end

if(hud.nameTag == nil)then
  hud.nameTag = hud.nameTag or hud2D.newText("", 5, 5)
end

hud.show = function(sPlayer)
  --log(">>")
  local player = getPlayer(sPlayer)
  if(not player)then log("&c&BPlayer is no longer loaded") return end
  local armor = player.inventory
  hud.nameTag.setText(sPlayer)
  hud.nameTag.enableDraw()
  local inv = openInventory()
  local map = inv.getMap()
  local armorSlots = {map.helmet, map.chestplate, map.leggings, map.boots}
  --llog(armorSlots)
  for i=1, 4 do
    local item = inv.getSlot(armorSlots[i]) --36 boots, 39 helm
    --log(item)
    if(item)then
      log(item.id..":"..item.dmg)
      hud.slots[i].setItem(item.id..":"..item.dmg)
      hud.slots[i].enableDraw()
      if item.dmg~=0 then
        --log("Damaged!")
        local bar
        local len = 16
        local p = 1 - (item.dmg / item.maxDmg)

        --log(string.rep("_", math.ceil(len*p)))
        --bar = "&a&B"..string.rep("_", math.ceil(len*p))
        --bar = bar.."&c&B"..string.rep("_", len-math.ceil(len*p))
        --hud.texts[i].setText(bar)
        --hud.texts[i].enableDraw()
        hud.bbar[i].enableDraw()
        hud.bars[i].enableDraw()
        hud.bars[i].setWidth( math.ceil(len * p) )

      end
    else
      hud.slots[i].disableDraw()
      hud.bbar[i].disableDraw()
      hud.bars[i].disableDraw()
    end
  end
end

hud.hide = function()
  hud.nameTag.disableDraw()
  for i=1, 4 do
    hud.slots[i].disableDraw()
    hud.bbar[i].disableDraw()
    hud.bars[i].disableDraw()
  end
end


local name = prompt("Player:","choice",table.unpack(getLoadedPlayers()))
--log("Selected "..name)
while(hud.running)do
  hud.show(name)
  sleep(250) --update every 1/4 second
end

hud.hide()