【高级技巧】祖玛阁补怪：长任务的协程分帧与看门狗

local worker, coStart
local function startZumaRefill(total)
    coStart = os.time()
    worker = coroutine.create(function()
        local done = 0
        while done < total do
            genmon("D2042", 30, 30, "祖玛卫士", 8, 50, 0)
            done = done + 50
            coroutine.yield(done)
        end
        return done
    end)
end
local function stepRefill()
    if worker == nil then return end
    if os.time() - coStart > 5 then
        sendmsg(nil, 1, "祖玛阁补怪协程超时，已弃置。")
        worker = nil
        return
    end
    local ok, done = coroutine.resume(worker)
    if not ok or coroutine.status(worker) == "dead" then
        sendmsg(nil, 1, "补怪完成，共 " .. tostring(done) .. " 只。")
        worker = nil
    end
end

local function onGlobalTimer()
    stepRefill()
end