Fix reset of skybox

ca_effects/skybox.lua

@@ -1,26 +1,16 @@
 if not climate_mod.settings.skybox then return end
 
 local EFFECT_NAME = "climate_api:skybox"
-
-local reset_data = {}
+local modpath = minetest.get_modpath(minetest.get_current_modname())
+local sky_defaults = dofile(modpath .. "/lib/sky_defaults.lua")
 
 local function set_skybox(player, sky)
 	if not player.get_stars then return end
-	if sky.sky_data ~= nil then
-		player:set_sky(sky.sky_data)
-	end
-	if sky.cloud_data ~= nil then
-		player:set_clouds(sky.cloud_data)
-	end
-	if sky.moon_data ~= nil then
-		player:set_moon(sky.moon_data)
-	end
-	if sky.sun_data ~= nil then
-		player:set_sun(sky.sun_data)
-	end
-	if sky.star_data ~= nil then
-		player:set_stars(sky.stars_data)
-	end
+	player:set_sky(sky.sky_data)
+	player:set_clouds(sky.cloud_data)
+	player:set_moon(sky.moon_data)
+	player:set_sun(sky.sun_data)
+	player:set_stars(sky.star_data)
 end
 
 local function remove_skybox(player)
@@ -31,9 +21,9 @@ end
 local function handle_effect(player_data)
 	for playername, data in pairs(player_data) do
 		local player = minetest.get_player_by_name(playername)
-		local sky = {}
+		local sky = table.copy(sky_defaults)
 		for weather, value in pairs(data) do
-			climate_api.utility.merge_tables(sky, value)
+			sky = climate_api.utility.merge_tables(sky, value)
 		end
 		set_skybox(player, sky)
 	end

lib/sky_defaults.lua

@@ -0,0 +1,46 @@
+return {
+	sky_data = {
+		base_color = nil,
+		type = "regular",
+		textures = nil,
+		clouds = true,
+		sky_color = {
+			day_sky = "#8cbafa",
+			day_horizon = "#9bc1f0",
+			dawn_sky = "#b4bafa",
+			dawn_horizon = "#bac1f0",
+			night_sky = "#006aff",
+			night_horizon = "#4090ff",
+			indoors = "#646464",
+			fog_tint_type = "default"
+		}
+	},
+	cloud_data = {
+		density = 0.4,
+		color = "#fff0f0e5",
+		ambient = "#000000",
+		height = 120,
+		thickness = 16,
+		speed = {x=0, z=-2}
+	},
+	sun_data = {
+		visible = true,
+		texture = "sun.png",
+		tonemap = "sun_tonemap.png",
+		sunrise = "sunrisebg.png",
+		sunrise_visible = true,
+		scale = 1
+	},
+	moon_data = {
+		visible = true,
+		texture = "moon.png",
+		tonemap = "moon_tonemap.png",
+		scale = 1
+	},
+	star_data = {
+		visible = true,
+		count = 1000,
+		star_color = "#ebebff69",
+		scale = 1
+	}
+}