【引擎触发】beginteleport：传送戒指的拦截与放行

---传送戒指传送前触发
function beginteleport(actor, mapId, x, y)
    if actor:InBattle() then return false, "战斗中不可传送" end
    if not actor:CooldownReady("ring_tp") then
        return false, "冷却剩余 " .. actor:CooldownLeft("ring_tp") .. " 秒"
    end
    if not actor:TakeGold(2000) then return false, "需要 2000 金币" end
    actor:SetCooldown("ring_tp", 30)
    mapmove(actor, mapId, x, y)
    release_print("ring_tp " .. actor:GetName() .. " -> " .. mapId)
    return true
end

local FORBIDDEN = { shabake = true, palace = true }
function checkTeleportTarget(actor, mapId)
    if FORBIDDEN[mapId] then return false, "该地图禁止传送进入" end
    local needLevel = MAP_ENTER_LEVEL[mapId] or 0
    if actor:GetLevel() < needLevel then return false, "等级不足" end
    return true
end