【引擎触发】恶魔祭坛天气：周期轮换与爆率联动的触发设计

local WEATHERS = { "sunny", "cloudy", "storm" }
setontimerex(79, 1800)
function ontimer79()
    local cur = tonumber(getsysvar("ALTAR_WX") or "1")
    local nextWx = cur % 3 + 1
    setsysvarex("ALTAR_WX", nextWx, 1)
    if WEATHERS[nextWx] == "storm" then
        sendcentermsg("恶魔祭坛雷雨来袭，祭坛守卫掉落提升30%！")
    end
end

function altarDropBonus(actor)
    local wx = tonumber(getsysvar("ALTAR_WX") or "1")
    local mult = 1.0
    if WEATHERS ~= nil and wx == 3 then
        mult = 1.3
    end
    local base = 10000
    local bonus = math.floor(base * mult)
    if bonus > base then
        giveitem(actor, "金币", bonus - base)
    end
    return bonus
end