离线竞技：镜像替身的离线防守战

local function findMatch(actor)
    local foe = getplayvar(actor, "matchFoe") or ""
    if foe == "" then
        local bucket = math.floor(
            (getplayvar(actor, "POWER") or 0) / 1000)
        foe = getsysvar("mirror_" .. bucket)
        setplayvar(actor, "matchFoe", foe)
        sendmsg(actor, 1, "匹配到镜像对手，战力相近")
    end
    return foe
end

local function settleMirror(actor, win)
    local score = (getplayvar(actor, "ladder") or 1000)
        + (win and 25 or -18)
    setplayvar(actor, "ladder", score)
    setplayvar(actor, "matchFoe", "")
    sendmsg(actor, 1, "积分 " .. score)
end