Add new textures, tweak effects, add fog and freezing of river water

ca_weathers/fog.lua

@@ -0,0 +1,34 @@
+local name = "regional_weather:fog"
+
+local conditions = {
+
+}
+
+local effects = {}
+
+effects["climate_api:hud_overlay"] = {
+	file = "weather_hud_fog.png",
+	z_index = -200
+}
+
+effects["climate_api:skybox"] = {
+	cloud_data = {
+		density = 1,
+		color = "#ffffffff",
+		thickness = 40,
+		speed = {x=0,y=0,z=0}
+	},
+	priority = 50
+}
+
+local function generate_effects(params)
+	local override = {}
+	override["climate_api:skybox"] = {
+		cloud_data = {
+			height = params.player:get_pos().y
+		}
+	}
+	return climate_api.utility.merge_tables(effects, override)
+end
+
+climate_api.register_weather(name, conditions, generate_effects)