sv mark generation lua function

sv_mark.lua

-- Time
local Time_DayDawn      = 0
local Time_Dusk         = 1
local Time_Night        = 2

-- Weather
local Weather_None      = 0
local Weather_Cloudy    = 1
local Weather_Rainy     = 2
local Weather_Stormy    = 3
local Weather_Snowy     = 4
local Weather_Blizzard  = 5
local Weather_Dry       = 6
local Weather_Sandstorm = 7
local Weather_Misty     = 8

-- Marks
local Mark_Lunchtime    = 53
local Mark_SleepyTime   = 54
local Mark_Dusk         = 55
local Mark_Dawn         = 56
local Mark_Cloudy       = 57
local Mark_Rainy        = 58
local Mark_Stormy       = 59
local Mark_Snowy        = 60
local Mark_Blizzard     = 61
local Mark_Dry          = 62
local Mark_Sandstorm    = 63
local Mark_Misty        = 64
local Mark_Destiny      = 65
local Mark_Fishing      = 66
local Mark_Curry        = 67
local Mark_Uncommon     = 68
local Mark_Rare         = 69
local Mark_Rowdy        = 70
local Mark_AbsentMinded = 71
local Mark_Jittery      = 72
local Mark_Excited      = 73
local Mark_Charismatic  = 74
local Mark_Calmness     = 75
local Mark_Intense      = 76
local Mark_ZonedOut     = 77
local Mark_Joyful       = 78
local Mark_Angry        = 79
local Mark_Smiley       = 80
local Mark_Teary        = 81
local Mark_Upbeat       = 82
local Mark_Peeved       = 83
local Mark_Intellectual = 84
local Mark_Ferocious    = 85
local Mark_Crafty       = 86
local Mark_Scowling     = 87
local Mark_Kindly       = 88
local Mark_Flustered    = 89
local Mark_PumpedUp     = 90
local Mark_ZeroEnergy   = 91
local Mark_Prideful     = 92
local Mark_Unsure       = 93
local Mark_Humble       = 94
local Mark_Thorny       = 95
local Mark_Vigor        = 96
local Mark_Slump        = 97
local Mark_None         = -1

function LotRibbon(arg0)
  local rand_val, weather, time_period, current_hour
  -- fDAAAA586 appears to be some form of rand(minimum, maximum) of [minimum, maximum]
  rand_val = arg0.fDAAAA586(0, 999)
  -- 1/1000
  if 0 == rand_val then
    return Mark_Rare
  -- 10/1000
  elseif rand_val >= 1 and rand_val <= 10 then
    -- random personality mark
    -- 1/28 per
    return 70 + arg0.fDAAAA586(0, 27)
  -- 20/1000
  elseif rand_val >= 11 and rand_val <= 30 then
    return Mark_Uncommon
  -- 40/1000
  elseif rand_val >= 31 and rand_val <= 70 then
    if C2B428A63695FD2C7.CheckBirthday() then
      return Mark_Destiny
    end
  -- 20/1000
  elseif rand_val >= 71 and rand_val <= 90 then
    weather = main.env.weather.WeatherManager.s_impl[5].type
    if Weather_Cloudy == weather then
      return Mark_Cloudy
    elseif Weather_Rainy == weather then
      return Mark_Rainy
    elseif Weather_Stormy == weather then
      return Mark_Stormy
    elseif Weather_Snowy == weather then
      return Mark_Snowy
    elseif Weather_Blizzard == weather then
      return Mark_Blizzard
    elseif Weather_Sandstorm == weather then
      return Mark_Sandstorm
    elseif Weather_Misty == weather then
      return Mark_Misty
    end
  -- 20/1000
  elseif rand_val >= 91 and rand_val <= 110 then
    time_period = main.system.game_time.GameTimeManager.s_impl.F36837B48B38D4857(
      main.system.game_time.GameTimeManager.s_impl,
      main.system.game_time.GameTimeManager.s_impl[5].gameTime
    )
    if time_period == Time_DayDawn then
      function getSecondInDay()
        local current_second
        current_second = nil
        if main.system.game_time.GameTimeManager.s_impl[5] ~= main.system.game_time.GameTimeManager.s_impl[4] then
          current_second = main.system.game_time.GameTimeManager.s_impl[5].gameTime
        else
          current_second = main.system.game_time.GameTimeManager.s_impl.F8C8B225CB8805704(
            main.system.game_time.GameTimeManager.s_impl,
            main.system.game_time.GameTimeManager.s_impl[5].gameTime
          )
        end
        return current_second
      end
      current_hour = getSecondInDay() / 3600
      if current_hour >= 12 and current_hour < 18 then
        return Mark_Lunchtime
      else
        return Mark_Dawn
      end
    elseif time_period == Time_Dusk then
      return Mark_Dusk
    elseif time_period == Time_Night then
      return Mark_SleepyTime
    end
  end
  return Mark_None
end

Easy to read table containing this rate information as well as when the title powers are applied courtesy of Anubis:

https://mobile.twitter.com/Sibuna_Switch/status/1625345500869271553