fixes the stupid fucking tile placing list

code/__DEFINES/atmospherics.dm

@@ -167,7 +167,7 @@
 #define LAVALAND_DEFAULT_ATMOS "o2=14;n2=23;TEMP=300"
 
 //SNOSTATION
-#define ICEMOON_DEFAULT_ATMOS "o2=14;n2=23;TEMP=80"
+#define ICEMOON_DEFAULT_ATMOS "o2=22;n2=82;TEMP=180"
 
 //ATMOSIA GAS MONITOR TAGS
 #define ATMOS_GAS_MONITOR_INPUT_O2 "o2_in"

code/__HELPERS/areas.dm

@@ -58,6 +58,11 @@ GLOBAL_LIST_INIT(typecache_powerfailure_safe_areas, typecacheof(/area/engine/eng
 	else if(isarea(areatype))
 		var/area/areatemp = areatype
 		areatype = areatemp.type
+	else if(islist(areatype))
+		var/list/turfs = list()
+		for(var/A in areatype)
+			turfs += get_area_turfs(A)
+		return turfs
 	else if(!ispath(areatype))
 		return null
 

code/game/turfs/simulated/floor.dm

@@ -48,7 +48,7 @@
 					"oldburning","light-on-r","light-on-y","light-on-g","light-on-b", "wood", "carpetsymbol", "carpetstar",
 					"carpetcorner", "carpetside", "carpet", "ironsand1", "ironsand2", "ironsand3", "ironsand4", "ironsand5",
 					"ironsand6", "ironsand7", "ironsand8", "ironsand9", "ironsand10", "ironsand11",
-					"ironsand12", "ironsand13", "ironsand14", "ironsand15")
+					"ironsand12", "ironsand13", "ironsand14", "ironsand15", "snow", "snow0", "snow1", "snow2", "snow3", "snow4", "snow5", "snow6", "snow7", "snow8", "snow9", "snow10", "snow11", "snow12", "snow-ice", "snow_dug")
 	if(broken || burnt || (icon_state in icons_to_ignore_at_floor_init)) //so damaged/burned tiles or plating icons aren't saved as the default
 		icon_regular_floor = "floor"
 	else

code/modules/shuttle/emergency.dm

@@ -557,7 +557,7 @@
 	dwidth = 1
 	width = 3
 	height = 4
-	var/target_area = /area/lavaland/surface/outdoors
+	var/target_area = list(/area/lavaland/surface/outdoors, /area/icemoon/underground/unexplored/rivers)
 	var/edge_distance = 16
 	// Minimal distance from the map edge, setting this too low can result in shuttle landing on the edge and getting "sliced"