【引擎触发】playlevelup：升级成长与技能解锁

---playlevelup: 升级触发 actor:玩家对象
function playlevelup(actor)
    local lv = actor:GetLevel()
    -- 每 5 级发 1 点可分配属性
    if lv % 5 == 0 then
        local pt = tonumber(getplayvar(actor, 2, "FreePoint")) or 0
        setplayvar(actor, "HUMAN", "FreePoint", pt + 1, 1)
        sendmsg(actor, 1, "获得 1 点自由属性点")
    end
    -- 升级的血蓝上限成长
    humanhp(actor, "+", lv * 2)
    -- 关键等级的全服喜报
    if lv % 10 == 0 then
        QF_Broadcast(actor:GetName() .. " 升到了 " .. lv .. " 级！")
    end
end

---关键等级自动习得技能
local SKILL_UNLOCK = {
    [35] = { name = "烈火剑法", job = "warrior" },
    [38] = { name = "冰咆哮",   job = "mage" },
    [40] = { name = "召唤神兽", job = "taoist" },
}

function LevelUp.checkSkill(actor)
    local lv = actor:GetLevel()
    local cfg = SKILL_UNLOCK[lv]
    if cfg and cfg.job == actor:GetJob() then
        local sid = getskillindex(cfg.name)
        addskill(actor, sid)
        sendmsg(actor, 1, "领悟新技能：" .. cfg.name)
    end
end