【策划架构】Lua多因子评分：裁决之杖装备价值的加权合成

local function value(item)
    return item.atk * 10             -- 单因子定价，耐久被无视
end

local WEIGHTS = {atk = 10, dur = 2, rare = 500}
local CAP = {atk = 60, dur = 200, rare = 1}
local function value(item)
    local s = 0
    for k, w in pairs(WEIGHTS) do
        s = s + item[k] / CAP[k] * w  -- 归一后加权求和
    end
    return math.floor(s)
end
sendmsg(actor, 1, "裁决之杖评估价 " .. value(W) .. " 金")