Fix reset of skybox

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
+	}
+}