【入门夯实】二次随机：先阵营后个体的分层抽取

local everyone = {}
for _, p in ipairs(allJobs) do
    for _, name in ipairs(p.members) do
        everyone[#everyone + 1] = name
    end
end
local lucky = everyone[math.random(#everyone)]

local jobs = { war = {...members}, magic = {...members}, tao = {...members} }
local function drawPerJob(jobs)
    local winners = {}
    for jobName, members in pairs(jobs) do
        winners[jobName] = members[math.random(#members)]
    end
    return winners
end

local jobOrder = { "war", "magic", "tao" }
local function drawOneFair(jobs)
    local job = jobOrder[math.random(3)]
    local members = jobs[job]
    return members[math.random(#members)], job
end

local function nestedDraw(groups)
    local g = groups[math.random(#groups)]
    local sub = g.subs[math.random(#g.subs)]
    return sub.members[math.random(#sub.members)]
end