【网络通信】消息有序性：同一玩家的包序保证

local seqTable = {}
local function nextSeq(actor)
    local seq = (seqTable[actor] or 0) + 1
    seqTable[actor] = seq
    return seq
end
local function pushOrdered(actor, payload)
    local seq = nextSeq(actor)
    sendluamsg(actor, 7402, seq, 0, 0, payload)
end

local waitArea = {}
local consumed = {}
local function consumeOrdered(actor, seq, payload)
    local expect = (consumed[actor] or 0) + 1
    if seq ~= expect then
        waitArea[actor] = waitArea[actor] or {}
        table.insert(waitArea[actor], { seq = seq, payload = payload })
        return
    end
    consumed[actor] = seq
    handle(payload)
    drainWaiting(actor)
end