【进阶实战】战鼓助威：行会范围增益的击鼓封装

local function beatDrum(actor)
    local guildName = tostring(getplayvar(actor, 0, "GuildName") or "")
    if guildName == "" then
        sendmsg(actor, 1, "无行会者不可击鼓。")
        return
    end
    local last = tonumber(getsysvar("DrumLast_" .. guildName)) or 0
    if os.time() - last < 1800 then
        sendmsg(actor, 1, "战鼓冷却中，剩 "
            .. (1800 - (os.time() - last)) .. " 秒。")
        return
    end
    setsysvarex("DrumLast_" .. guildName, os.time(), 1)
    local roster = tostring(getsysvar("WarRoster_" .. guildName) or "")
    local count = 0
    for name in string.gmatch(roster, "[^;]+") do
        local member = getplayerbyname(name)
        if member then
            setplayvar(member, 0, "DrumAtk", os.time() + 300, 0)
            sendmsg(member, 1, "战鼓助威！攻击加成 5 分钟。")
            count = count + 1
        end
    end
    sendmsg(actor, 1, "击鼓成功，" .. count .. " 名成员获得增益。")
end

local function drumActive(actor)
    local untilTs = tonumber(getplayvar(actor, 0, "DrumAtk")) or 0
    return os.time() < untilTs
end