【玩法策划】闯关淘汰赛：借鉴糖豆人的障碍关卡玩法设计

local CHECKPOINTS = { 60, 120, 180 }
local passed = {}
setontimerex(118, 1)
function ontimer118()
    local now = os.time()
    local stage = 0
    for i, cp in ipairs(CHECKPOINTS) do
        if now >= cp then stage = i end
    end
    if stage == 0 then return end
    for _, name in ipairs(racers()) do
        if passed[name] == nil or passed[name] < stage then
            if now > CHECKPOINTS[stage] + 10 then
                eliminated[name] = true
                sendmsg(name, 0, "很遗憾，本届闯关止步第" .. stage .. "关")
            end
        end
    end
end

local chestLeft = 3
local function tryGrabChest(actor)
    local player = class(actor)
    if chestLeft <= 0 then
        sendmsg(actor, 0, "宝箱已被抢完，感谢参与！")
        return
    end
    chestLeft = chestLeft - 1
    giveitem(actor, "闯关冠军宝箱", 1)
    sendcentermsg(class(actor):GetName() .. " 抢到了冠军宝箱！")
end