双修打坐：与好友同修各享加成

-- 错误：同图即加成，无上限无冷却
function meditationTick(p, mate)
    grantExp(p, 120)
end

local BONUS = 0.2
local DAILY_MIN = 60
local function meditationTick(p, mate)
    local today = os.date("%Y%m%d")
    local used = tonumber(getplayvar(p, "dual_" .. today) or "0")
    local exp = 100
    if isFriend(p, mate)
        and getplayvar(p, "MAP") == getplayvar(mate, "MAP")
        and used < DAILY_MIN then
        exp = math.floor(100 * (1 + BONUS))
        setplayvar(p, "dual_" .. today, used + 1)
    end
    grantExp(p, exp)
end