【玩法策划】摆摊口碑评分：借鉴点评平台的摊位信誉玩法设计

local function rateStall(actor, stallOwner, stars, dealId)
    local player = class(actor)
    local key = "RATE_" .. dealId
    if getplayvar(actor, 2, key) == 1 then
        sendmsg(actor, 0, "该笔成交已评价过")
        return
    end
    if stars < 1 or stars > 5 then
        sendmsg(actor, 0, "评分须在1到5星之间")
        return
    end
    setplayvar(actor, "HUMAN", key, 1, 1)
    local sum = tonumber(getplayvar(actor, 2, "RATE_SUM") or "0") + stars
    local cnt = tonumber(getplayvar(actor, 2, "RATE_CNT") or "0") + 1
    setplayvar(actor, "HUMAN", "RATE_SUM", sum, 1)
    setplayvar(actor, "HUMAN", "RATE_CNT", cnt, 1)
    sendmsg(actor, 0, "评价成功，感谢反馈")
end

local function stallReputation(sum, cnt)
    local sum = tonumber(sum or "0")
    local cnt = tonumber(cnt or "0")
    if cnt < 5 then
        return "新摊位"
    end
    local avg = sum / cnt
    if avg >= 4 then
        return "信誉摊位 ★" .. string.format("%.1f", avg)
    elseif avg <= 2 then
        return "差评偏多，请谨慎交易"
    end
    return ""
end