local BASE_MBLUR_MAX = 10
local CALLBACK_REGISTERED = true

local ENABLED
local BASE_MBLUR
local CACHE

local print_dbg = fps_based_mblur_mcm.print_dbg
local get_config = fps_based_mblur_mcm.get_config

function load_settings()
  ENABLED = get_config("ENABLED")
  BASE_MBLUR = get_config("BASE_MBLUR")
  CACHE = 1 / 50 * BASE_MBLUR / BASE_MBLUR_MAX

  if ENABLED and not CALLBACK_REGISTERED then
    RegisterScriptCallback("actor_on_update", actor_on_update)
    CALLBACK_REGISTERED = true
  elseif not ENABLED and CALLBACK_REGISTERED then
    UnregisterScriptCallback("actor_on_update", actor_on_update)
    CALLBACK_REGISTERED = false

    get_console():execute("r2_mblur " .. BASE_MBLUR / BASE_MBLUR_MAX)
  end
end

function actor_on_update()
  local delta = device().f_time_delta

  print_dbg("delta: %s", delta)
  print_dbg("not clamped amount: %s", CACHE / delta)

  get_console():execute("r2_mblur " .. clamp(CACHE / delta, 0, 1))
end

function on_game_start()
  RegisterScriptCallback("on_option_change", load_settings)
  RegisterScriptCallback("actor_on_first_update", load_settings)
  RegisterScriptCallback("actor_on_update", actor_on_update)
end