帮会点将台：每日点将的战力排行

local function pickChampion(actor, target)
    if getplayvar(actor, "RANK") ~= "会长" then
        sendmsg(actor, 1, "仅会长可点将")
        return
    end
    local today = os.date("%Y%m%d")
    setplayvar(actor, "pickDay", today)
    setsysvarex("champion_" .. today, target)
    sendcentermsg(0, target .. " 被点将为今日先锋")
end

local function powerBoard(actor, guild)
    local list = {}
    for name in string.gmatch(
        getsysvar("members_" .. guild) or "", "[^|]+") do
        local p = getplayerbyname(name)
        if p then
            list[#list + 1] = {name,
                getplayvar(p, "POWER") or 0}
        end
    end
    table.sort(list, function(a, b)
        return a[2] > b[2]
    end)
    for i = 1, math.min(#list, 10) do
        sendmsg(actor, i .. " " .. list[i][1]
            .. " 战力" .. list[i][2])
    end
end