Tweak sky color on rain and thunderstorm

mods/ENVIRONMENT/weather_pack/rain.lua

@@ -25,16 +25,18 @@ end
 
 -- set skybox based on time (uses skycolor api)
 rain.set_sky_box = function()
-  skycolor.add_layer(
-    "weather-pack-rain-sky",
-    {{r=0, g=0, b=0},
-    {r=85, g=86, b=98},
-    {r=152, g=150, b=159},
-    {r=85, g=86, b=98},
-    {r=0, g=0, b=0}})
-  skycolor.active = true
-  for _, player in pairs(minetest.get_connected_players()) do
-    player:set_clouds({color="#3D3D3FE8"})
+  if weather.state == "rain" then
+    skycolor.add_layer(
+      "weather-pack-rain-sky",
+      {{r=0, g=0, b=0},
+      {r=85, g=86, b=98},
+      {r=175, g=175, b=191},
+      {r=85, g=86, b=98},
+      {r=0, g=0, b=0}})
+    skycolor.active = true
+    for _, player in pairs(minetest.get_connected_players()) do
+      player:set_clouds({color="#5D5D5FE8"})
+    end
   end
 end
 

mods/ENVIRONMENT/weather_pack/thunder.lua

@@ -5,6 +5,7 @@ thunder = {
   next_strike = 0,
   min_delay = 3,
   max_delay = 12,
+  init_done = false,
 }
 
 minetest.register_globalstep(function(dtime)
@@ -13,6 +14,21 @@ minetest.register_globalstep(function(dtime)
   end
   
   rain.make_weather()
+
+  if thunder.init_done == false then
+    skycolor.add_layer(
+      "weather-pack-thunder-sky",
+      {{r=0, g=0, b=0},
+      {r=40, g=40, b=40},
+      {r=85, g=86, b=86},
+      {r=40, g=40, b=40},
+      {r=0, g=0, b=0}})
+    skycolor.active = true
+    for _, player in pairs(minetest.get_connected_players()) do
+      player:set_clouds({color="#3D3D3FE8"})
+    end
+    thunder.init_done = true
+  end
   
   if (thunder.next_strike <= minetest.get_gametime()) then
     lightning.strike()
@@ -24,6 +40,9 @@ end)
 
 thunder.clear = function()
   rain.clear()
+  skycolor.remove_layer("weather-pack-thunder-sky")
+  skycolor.remove_layer("lightning")
+  thunder.init_done = false
 end
 
 -- register thunderstorm weather