add thunderstorm effects to fort lonestar

mods/ra/maps/fort-lonestar/fort-lonestar.lua

@@ -147,6 +147,16 @@ SovietsRetreating = function()
 	end)
 end
 
+Tick = function()
+	if (Utils.RandomInteger(1, 200) == 10) then
+		local delay = Utils.RandomInteger(1, 10)
+		Effect.Flash("LightningStrike", delay)
+		Trigger.AfterDelay(delay, function()
+			Media.PlaySound("thunder.aud")
+		end)
+	end
+end
+
 WorldLoaded = function()
 	soviets = Player.GetPlayer("Soviets")
 	players = { }

mods/ra/maps/fort-lonestar/map.yaml

@@ -499,6 +499,15 @@ Rules:
 			CrateActors: fortcrate
 		-SpawnMPUnits:
 		-MPStartLocations:
+		GlobalLightingPaletteEffect:
+			Red: 0.75
+			Green: 0.85
+			Blue: 1.5
+			Ambient: 0.35
+		AmbientSound:
+			SoundFile: rain.aud
+		FlashPaletteEffect@LIGHTNINGSTRIKE:
+			Type: LightningStrike
 		LuaScript:
 			Scripts: fort-lonestar.lua
 		ScriptUpgradesCache: