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-- assumes the UI is build to fit Full HD at 100%
function GetUIScale(res)
--the user ui scale option now works on top of the previously automatic scale (multiplication).
local screen_size = Platform.ged and UIL.GetOSScreenSize() or res or UIL.GetScreenSize()
local xrez, yrez = screen_size:xy()
local scale_x, scale_y = 1000 * xrez / 1920, 1000 * yrez / 1080
-- combine the X and Y scale
local scale = (scale_x + scale_y) / 2
-- do not exceed the lower scale with more than 20%
scale = Min(scale, scale_x * 120 / 100)
scale = Min(scale, scale_y * 120 / 100)
-- make the UI somewhat smaller on higher resolutions - having more pixels increases readability despite the lower size
if scale > 1000 then
scale = 1000 + (scale - 1000) * 900 / 1000
end
local controller_scale = table.get(AccountStorage, "Options", "Gamepad") and IsXInputControllerConnected() and const.ControllerUIScale or 100
-- apply user scale and controller scale as multipliers
return MulDivRound(scale, GetUserUIScale(scale) * controller_scale, 100 * 100)
end
function GetUserUIScale(scale)
if Platform.ged then return 100 end
local UIScale_meta = table.find_value(PropertyObject.GetProperties( OptionsObject ), "id", "UIScale")
local storage = UIScale_meta.storage
local storage_obj
if storage == "account" and AccountStorage then
storage_obj = AccountStorage.Options
elseif storage == "local" then
storage_obj = EngineOptions
end
local user_scale = storage_obj.UIScale or 100
if Platform.playstation then
user_scale = Min(user_scale, MapRange(GetDisplayAreaMargin(), const.MinUserUIScale, const.MaxUserUIScaleHighRes, const.MaxDisplayAreaMargin, const.MinDisplayAreaMargin))
end
if scale then
local low = const.MaxUserUIScaleLowRes
local high = const.MaxUserUIScaleHighRes
--when scale is 650 or less, clamp to the low res max, above 1000 clamp to the high res max
user_scale = Min(user_scale, Clamp(low + (scale - 650) * (high - low) / 350, low, high))
end
return user_scale
end
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