Implement proper sky color

mods/default/player.lua

@@ -102,7 +102,6 @@ minetest.register_on_joinplayer(function(player)
 	end
 	player:hud_set_hotbar_image("gui_hotbar.png")
 	player:hud_set_hotbar_selected_image("gui_hotbar_selected.png")
-	player:set_clouds({color="#FFFF72B8", density=0.1, height=200, thickness=24})
 end)
 
 minetest.register_on_leaveplayer(function(player)

mods/hades_sky/init.lua

@@ -0,0 +1,59 @@
+-- Update sky color. If players not specified update sky for all players.
+local update_sky_player = function(player)
+	local r = 0xF0
+	local g = 0xE3
+	local b = 0xB0
+
+	local NISVAL = 0.05 -- Clouds RGB value at night
+	local DASVAL = 1 -- Clouds RGB value in daytime
+	local difsval = DASVAL - NISVAL
+	local sval
+	local time = minetest.get_timeofday()
+	if time >= 0.5 then
+		time = 1 - time
+	end
+	-- Sky brightness transitions:
+	-- First transition (24000 -) 4500, (1 -) 0.1875
+	-- Last transition (24000 -) 5750, (1 -) 0.2396
+	if time <= 0.1875 then
+		sval = NISVAL
+	elseif time >= 0.2396 then
+		sval = DASVAL
+	else
+		sval = NISVAL + ((time - 0.1875) / 0.0521) * difsval
+	end
+
+	player:set_sky({r=r*sval, g=g*sval, b=b*sval, a=255}, "plain", nil, true)
+end
+
+local update_sky = function()
+	local players = minetest.get_connected_players()
+	for _, player in ipairs(players) do
+		update_sky_player(player)
+	end
+end
+
+local timer = 0
+local sky_update_interval = 1
+minetest.register_globalstep(function(dtime)
+	if #minetest.get_connected_players() == 0 then
+		return
+	end
+
+	-- Regular updates based on interval
+	timer = timer + dtime
+	if timer >= sky_update_interval then
+		update_sky()
+		timer = 0
+	end
+
+end)
+
+local init_sky = function(player)
+	update_sky_player(player)
+	player:set_clouds({color="#FFFF72B8", density=0.7, height=200, thickness=24})
+end
+
+minetest.register_on_joinplayer(init_sky)
+minetest.register_on_respawnplayer(init_sky)
+