【后端接口】祈福许愿：全服祈福的奖励池接口

-- 祈福许愿：入池与审核
local player = class(actor)
local BAD_HINT = {"代练", "外挂", "金币收购"}
local function makeWish(player, wishText)
    if #wishText > 30 then
        sendmsg(player, 1, 0, "心愿限 30 字以内。")
        return
    end
    for _, bad in ipairs(BAD_HINT) do
        if string.find(wishText, bad, 1, true) then
            sendmsg(player, 1, 0, "心愿内容包含违规词汇。")
            return
        end
    end
    if not checkitemw(player, "许愿币", 1) then
        sendmsg(player, 1, 0, "需要一枚许愿币。")
        return
    end
    takeitem(player, "许愿币", 1)
    setsysvarex("WishPool", tonumber(getsysvar("WishPool") or 0) + 1, true)
    setplayvar(player, "HUMAN", "WishText", wishText, true)
    sendmsg(player, 1, 0, "许愿成功，周日晚开奖，好运！")
end

-- 祈福开奖：瓜分与返还
local player = class(actor)
local function drawWeekly(player)
    local pool = tonumber(getsysvar("WishPool") or 0)
    if pool == 0 then
        sendmsg(player, 1, 0, "本周无许愿记录。")
        return
    end
    local luck = math.random(1, pool)
    setsysvarex("WishPool", 0, true)
    giveitem(player, "祈愿宝箱", luck == pool and 5 or 1)
    sendcentermsg(player, 255, 0, "本周祈福开奖，幸运玩家已诞生，许愿币半额返还！", 0, 8)
end