structure related changes

rain/init.lua

@@ -0,0 +1,3 @@
+-- init file for rain
+local modpath = minetest.get_modpath("rain");
+dofile(modpath.."/rain.lua")

snow/init.lua

@@ -0,0 +1,3 @@
+-- init file for snow
+local modpath = minetest.get_modpath("snow");
+dofile(modpath.."/snow.lua")

thunder/depends.txt

@@ -1,3 +1,3 @@
 weather_core
 rain
-lightning
+lightning?

thunder/init.lua

@@ -0,0 +1,5 @@
+-- init file for thunder
+if minetest.get_modpath("lightning") ~= nil then
+  local modpath = minetest.get_modpath("thunder");
+  dofile(modpath.."/thunder.lua")
+end

weather_core/init.lua

@@ -0,0 +1,3 @@
+-- init file for weather_core
+local modpath = minetest.get_modpath("weather_core");
+dofile(modpath.."/weather_core.lua")