diff --git a/mods/ENVIRONMENT/mcl_weather/skycolor.lua b/mods/ENVIRONMENT/mcl_weather/skycolor.lua index 0adb5566d..aea469760 100644 --- a/mods/ENVIRONMENT/mcl_weather/skycolor.lua +++ b/mods/ENVIRONMENT/mcl_weather/skycolor.lua @@ -1,6 +1,8 @@ local mods_loaded = false local NIGHT_VISION_RATIO = 0.45 +local MINIMUM_LIGHT_LEVEL = 0.2 + local water_color = "#3F76E4" local mg_name = minetest.get_mapgen_setting("mg_name") @@ -45,6 +47,24 @@ function mcl_weather.set_sky_color(player, def) }) end +-- Function to work out light modifier at different times +-- Noon is brightest, midnight is darkest, 0600 and 18000 is in the middle of this +local function get_light_modifier(time) + -- 0.1 = 0.2 + -- 0.4 = 0.8 + -- 0.5 = 1 + -- 0.6 = 0.8 + -- 0.9 = 0.2 + + local light_multiplier = time * 2 + if time > 0.5 then + light_multiplier = 2 * (1 - time) + else + light_multiplier = time / 0.5 + end + return light_multiplier +end + mcl_weather.skycolor = { -- Should be activated before do any effect. active = true, @@ -216,33 +236,8 @@ mcl_weather.skycolor = { mcl_weather.skycolor.override_day_night_ratio(player, 1) elseif light_factor then local time = minetest.get_timeofday() - -- 0.5 = 1 - -- 0 = 0 - -- 0.99 = 0 - - -- greater than 0.5, is - - -- less than 0.5 = time / 0.5 - - -- 0.6 = 0.8 - -- 0.9 = 0.2 - - -- 0.6 = 0.4 - -- 0.9 = 0.1 - -- 2 * (1 - time) - - local light_multiplier = time * 2 - if time > 0.5 then - light_multiplier = 2 * (1 - time) - else - light_multiplier = time / 0.5 - end - local minimum_light_level = 0.10 - - minetest.log("New light_multiplier: " .. tostring(light_multiplier)) - local new_light = (light_factor * (light_multiplier * (1-minimum_light_level))) + minimum_light_level - minetest.log("new_light: " .. tostring(new_light)) - + local light_multiplier = get_light_modifier(time) + local new_light = math.max(light_factor * light_multiplier, MINIMUM_LIGHT_LEVEL) mcl_weather.skycolor.override_day_night_ratio(player, new_light) else mcl_weather.skycolor.override_day_night_ratio(player, nil)