【引擎触发】城防加固：战备期城门维修与补给的触发设计

function ontimer117()
    local fund = tonumber(getsysvar("SIEGE_FUND") or "0")
    if fund < 30000 then return end
    local gate = tonumber(getsysvar("GATE_HP") or "0")
    local cap = tonumber(getsysvar("GATE_MAX") or "5000")
    if gate >= cap then return end
    local hp = math.min(cap, gate + math.floor(cap * 0.1))
    setsysvar("GATE_HP", hp)
    setsysvar("SIEGE_FUND", fund - 30000)
end

function ontimer118()
    local left = tonumber(getsysvar("SIEGE_LEFT") or "0")
    if left <= 300 then
        setsysvar("SIEGE_READY", 1)
        setontimerex(118, 0)
        return
    end
    if left % 1200 == 0 then
        genmon("箭塔卫士", 2)
    end
end