【安全加密】聊天刷屏治理：频率限制与三级递增禁言的分级** <!--TAGS: 安全加密,聊天,禁言

local recent = {}
local function allowSpeak(actor)
    local player = class(actor)
    local name = player:GetName()
    local now = os.time()
    local log = recent[name] or {}
    local alive = {}
    for _, t in ipairs(log) do
        if now - t < 5 then alive[#alive + 1] = t end
    end
    if #alive >= 5 then
        return false
    end
    alive[#alive + 1] = now
    recent[name] = alive
    return true
end

local function punish(actor)
    local player = class(actor)
    local cnt = tonumber(getplayvar(actor, 2, "SPAM_CNT") or "0") + 1
    setplayvar(actor, "HUMAN", "SPAM_CNT", cnt, 1)
    local dur = ({ 60, 300, 1800 })[math.min(cnt, 3)]
    setplayvar(actor, "HUMAN", "MUTE_UNTIL", os.time() + dur, 1)
    sendmsg(actor, 0, "发言过快，禁言" .. dur .. "秒")
end