【引擎触发】攻城器械架设：城门攻防的触发设计

local RAM_HP = 2000
local rams = {}
function buildRam(actor, spotId)
    local player = class(actor)
    if player:checkitemw("攻城图纸", 1) == false then
        sendmsg(actor, 0, "需要攻城图纸1张")
        return
    end
    player:takeitem("攻城图纸", 1)
    rams[spotId] = { hp = RAM_HP, owner = getplayvar(actor, 2, "GUILD_NAME") }
    sendcentermsg("攻方架设起冲车，城门告急！")
end

setontimerex(119, 10)
function ontimer119()
    for spot, ram in pairs(rams) do
        local gateHp = tonumber(getsysvar("GATE_HP") or "0")
        local left = gateHp - 150
        if left <= 0 then
            setsysvar("GATE_BROKEN", 1)
            sendcentermsg("城门被冲车撞开了！")
            rams[spot] = nil
        else
            setsysvar("GATE_HP", left)
        end
    end
end