帮会点歌台：点歌祝福的全帮广播

local SONG_FEE = 5000
local function requestSong(actor, songId, words)
    if getplayvar(actor, "GOLD") < SONG_FEE then
        sendmsg(actor, 1, "点歌需 " .. SONG_FEE .. " 金币")
        return
    end
    if #words > 30 then
        sendmsg(actor, 1, "祝福限 30 字以内")
        return
    end
    setplayvar(actor, "GOLD",
        getplayvar(actor, "GOLD") - SONG_FEE)
    sendcentermsg(0, getplayvar(actor, "NAME")
        .. " 点播歌曲，祝福：" .. words)
end

local songQ, lastT = {}, 0
local function pushSong(name, songId, words)
    if os.time() - lastT < 300 then
        table.insert(songQ, {name, songId, words})
        sendmsg(getplayerbyname(name), 1, "已排入队列")
        return
    end
    lastT = os.time()
    sendcentermsg(0, name .. " 点播：" .. words)
end