good

code/__DEFINES/maps.dm

@@ -41,7 +41,6 @@ require only minor tweaks.
 //boolean - weather types that occur on the level
 #define ZTRAIT_SNOWSTORM "Weather_Snowstorm"
 #define ZTRAIT_ASHSTORM "Weather_Ashstorm"
-#define ZTRAIT_ACIDRAIN "Weather_Acidrain"
 #define ZTRAIT_VOIDSTORM "Weather_Voidstorm"
 #define ZTRAIT_ICESTORM "Weather_Icestorm"
 #define ZTRAIT_LONGRAIN "Weather_Longrain"

code/__DEFINES/traits.dm

@@ -263,6 +263,14 @@
 /// Prevents sprinting from being active.
 #define TRAIT_SPRINT_LOCKED				"sprint_locked"
 
+/// Weather immunities, also protect mobs inside them.
+#define TRAIT_LAVA_IMMUNE "lava_immune" //Used by lava turfs and The Floor Is Lava.
+#define TRAIT_ASHSTORM_IMMUNE "ashstorm_immune"
+#define TRAIT_SNOWSTORM_IMMUNE "snowstorm_immune"
+#define TRAIT_RADSTORM_IMMUNE "radstorm_immune"
+#define TRAIT_VOIDSTORM_IMMUNE "voidstorm_immune"
+#define TRAIT_WEATHER_IMMUNE "weather_immune" //Immune to ALL weather effects.
+
  //non-mob traits
 #define TRAIT_PARALYSIS				"paralysis" //Used for limb-based paralysis, where replacing the limb will fix it
 #define VEHICLE_TRAIT "vehicle" // inherited from riding vehicles
@@ -298,8 +306,8 @@
 #define GHOSTROLE_TRAIT "ghostrole"
 #define APHRO_TRAIT "aphro"
 #define BLOODSUCKER_TRAIT "bloodsucker"
-#define SHOES_TRAIT "shoes" //inherited from your sweet kicks
 #define GLOVE_TRAIT "glove" //inherited by your cool gloves
+#define SHOES_TRAIT "shoes" //inherited from your sweet kicks
 #define BOOK_TRAIT "granter (book)" // knowledge is power
 #define TURF_TRAIT "turf"
 #define STATION_TRAIT "station-trait"