【进阶实战】成就系统的进度通知：阈值跨越播报封装

local THRESHOLDS = { 100, 1000, 10000 }
local function onKillCount(actor)
    actor = getplayerbyname(actor)
    local kills = tonumber(getplayvar(actor, "HUMAN", "KillCount")) or 0
    kills = kills + 1
    setplayvar(actor, "HUMAN", "KillCount", kills, 1)
    for _, th in ipairs(THRESHOLDS) do
        if kills == th then
            giveitem(actor, "金币", th * 10, 0, "成就达成奖励")
            sendcentermsg(actor, 250, 0, "达成成就：累计击杀 " .. th .. "，奖励已发放。", 0, 5, "")
            return
        end
    end
end

local function queryKillProgress(actor)
    actor = getplayerbyname(actor)
    local kills = tonumber(getplayvar(actor, "HUMAN", "KillCount")) or 0
    for _, th in ipairs(THRESHOLDS) do
        if kills < th then
            sendmsg(actor, 1, "击杀进度 " .. kills .. "/" .. th .. "，还差 " .. (th - kills) .. " 只。")
            return
        end
    end
    sendmsg(actor, 1, "击杀成就已全部达成，累计 " .. kills .. " 只。")
end