【性能调优】人物定时器合并：千人在线的setontimer瘦身方案

local BUS, IDX = {}, 1
setontimerex(55, 8)
function ontimer55()
    local t0 = os.clock()
    local n = 0
    while n < 200 do
        local name = BUS[IDX]
        if name == nil then
            IDX = 1
            break
        end
        local actor = getplayerbyname(name)
        if actor ~= nil then
            regenTick(actor)
        end
        IDX = IDX + 1
        n = n + 1
    end
    local cost = (os.clock() - t0) * 1000
    if cost > 500 then
        setsysvar("BUS_SLOW", cost)
    end
end

local function startRegen(actor)
    local player = class(actor)
    BUS[player:GetName()] = true
    table.insert(BUS, player:GetName())
end