【引擎触发】矿洞塌方：塌方预警与撤离的触发设计

setontimerex(222, 60)
function ontimer222()
    local zone = math.random(1, 3)
    setsysvar("CAVE_ZONE", zone)
    sendcentermsg("矿洞 " .. zone .. " 层即将塌方，请 60 秒内撤离")
    setontimerex(223, 60)
end
function ontimer223()
    local zone = tonumber(getsysvar("CAVE_ZONE") or "0")
    if zone > 0 then
        rangeharm(nil, 0, 0, 50, 500, 0, 0, 0, 0, 0, 0)
        sendcentermsg("矿洞 " .. zone .. " 层发生塌方")
    end
end

function evacuateZone(actor)
    local curZone = tonumber(getplayvar(actor, "HUMAN", "CAVE_FLOOR") or "0")
    local safeZone = curZone >= 3 and curZone - 1 or curZone + 1
    mapmove(actor, "cave_" .. safeZone, 100, 100)
    addbuff(actor, 10050, 300, 1, 0, 0)
    sendmsg(actor, 0, "已撤离至 " .. safeZone .. " 层安全区，获得 300 秒安全保护")
end