加点方案：自由加点的保存与一键切换

local function saveScheme(actor, idx, atk, def, agi)
    setplayvar(actor, "scheme" .. idx,
        atk .. "|" .. def .. "|" .. agi)
    sendmsg(actor, 1, "方案 " .. idx .. " 已保存")
end

local function loadScheme(actor, idx)
    local s = getplayvar(actor, "scheme" .. idx)
    if s == nil then
        sendmsg(actor, 1, "方案 " .. idx .. " 不存在")
        return
    end
    local atk, def, agi = s:match("([^|]+)|([^|]+)|([^|]+)")
    setplayvar(actor, "ATK", tonumber(atk))
    setplayvar(actor, "DEF", tonumber(def))
    setplayvar(actor, "AGI", tonumber(agi))
    sendmsg(actor, 1, "已切换方案 " .. idx)
end