【进阶实战】私密队伍：房间密码的加入校验封装

local function setTeamPwd(actor, pwd)
    if #pwd ~= 4 or not tonumber(pwd) then
        sendmsg(actor, 1, "密码须为 4 位数字。")
        return
    end
    setplayvar(actor, 1, "TeamPwd", pwd, 0)
    sendmsg(actor, 1, "队伍已上锁，密码仅队友可见。")
end

local function tryJoin(actor, leaderName, pwd)
    local leader = getplayerbyname(leaderName)
    if not leader then
        sendmsg(actor, 1, "队伍不存在。")
        return
    end
    local real = tostring(getplayvar(leader, 1, "TeamPwd") or "")
    local invited = tostring(getplayvar(actor, 0, "InvitedBy") or "") == leaderName
    if real ~= "" and pwd ~= real and not invited then
        sendmsg(actor, 1, "队伍密码错误。")
        return
    end
    sendmsg(actor, 1, "校验通过，正在加入。")
end