local UI_ID = nil
local HEART_TEXT_ID = nil
 
local FULL_HEART = "◆"
local EMPTY_HEART = "◇"
 
local function UpdateHeartText(e)
  local pid = e.eventobjid
  local attr = e.playerattr
 
  if attr == PLAYERATTR.CUR_HP then
    local _, cur = Player:getAttr(pid, PLAYERATTR.CUR_HP)
    local _, max = Player:getAttr(pid, PLAYERATTR.MAX_HP)
    if max <= 0 then max = 1 end
 
    local percent = cur / max
    local hearts = math.floor(percent * 10 + 0.0001)
 
    local text = ""
    for i = 1, 10 do
      if i <= hearts then
        text = text .. FULL_HEART
      else
        text = text .. EMPTY_HEART
      end
    end
 
    Customui:setText(pid, UI_ID, HEART_TEXT_ID, text)
  end
end
 
ScriptSupportEvent:registerEvent("Game.AnyPlayer.EnterGame", UpdateHeartText)
ScriptSupportEvent:registerEvent("Player.ChangeAttr", UpdateHeartText)