【进阶实战】活动订阅：玩家自选活动的开前提醒封装

local function subscribe(actor, actId)
    actor = getplayerbyname(actor)
    local mine = getplayvar(actor, "HUMAN", "SubList") or ""
    local cnt = 0
    for _ in string.gmatch(mine, "[^|]+") do
        cnt = cnt + 1
    end
    if cnt >= 5 then
        sendmsg(actor, 1, "订阅已达 5 个上限，请先退订。")
        return
    end
    setplayvar(actor, "HUMAN", "SubList", mine .. actId .. "|", 1)
    local list = getsysvar("Sub_" .. actId) or ""
    if string.find(list, "|" .. tostring(actor) .. "|", 1, true) then
        sendmsg(actor, 1, "已订阅过该活动。")
        return
    end
    setsysvarex("Sub_" .. actId, list .. "|" .. tostring(actor) .. "|", 1)
    sendmsg(actor, 1, "订阅成功，活动开启前 10 分钟提醒。")
end

local schedules = { [7] = { name = "祖玛教主讨伐", hour = 20, min = 0 } }
local function ontimerex77()
    local nowMin = tonumber(os.date("%H")) * 60 + tonumber(os.date("%M"))
    for actId, sch in pairs(schedules) do
        local startMin = sch.hour * 60 + sch.min
        if nowMin == startMin - 10 then
            local list = getsysvar("Sub_" .. actId) or ""
            for name in string.gmatch(list, "[^|]+") do
                local a = getplayerbyname(name)
                if a then
                    sendmsg(a, 1, sch.name .. " 将于 10 分钟后开启！")
                end
            end
        end
    end
end