【后端接口】悬赏任务双倍时段：双倍时段的校验接口设计

local WINDOWS = { { 12, 14 }, { 20, 22 } }
local DAILY_CAP = 3
local function inWindow()
    local h = tonumber(os.date("%H"))
    for _, w in ipairs(WINDOWS) do
        if h >= w[1] and h < w[2] then return true end
    end
    return false
end
local function checkDouble(actor)
    local player = class(actor)
    if not inWindow() then return false end
    local key = "BD_" .. os.date("%Y%m%d")
    local cnt = tonumber(getplayvar(actor, 2, key) or "0")
    return cnt < DAILY_CAP
end

local function settleBounty(actor)
    local player = class(actor)
    local gold = 5000
    if checkDouble(actor) then
        local key = "BD_" .. os.date("%Y%m%d")
        local cnt = tonumber(getplayvar(actor, 2, key) or "0")
        setplayvar(actor, "HUMAN", key, cnt + 1, 1)
        gold = gold * 2
        sendmsg(actor, 0, "双倍时段奖励！金币" .. gold)
    end
    giveitem(actor, "金币", gold)
end