Merge pull request #15011 from Putnam3145/lavaland-random-atmos

Port of randomized planet atmos

code/modules/atmospherics/environmental/LINDA_turf_tile.dm

@@ -32,6 +32,11 @@
 	if(!blocks_air)
 		air = new(2500,src)
 		air.copy_from_turf(src)
+		if(planetary_atmos && !(initial_gas_mix in SSair.planetary))
+			var/datum/gas_mixture/mix = new
+			mix.parse_gas_string(initial_gas_mix)
+			mix.mark_immutable()
+			SSair.planetary[initial_gas_mix] = mix
 		update_air_ref(planetary_atmos ? 1 : 2)
 	. = ..()
 

code/modules/atmospherics/gasmixtures/gas_mixture.dm

@@ -261,6 +261,8 @@ we use a hook instead
 	return 1
 
 /datum/gas_mixture/parse_gas_string(gas_string)
+	gas_string = SSair.preprocess_gas_string(gas_string)
+
 	var/list/gas = params2list(gas_string)
 	if(gas["TEMP"])
 		var/temp = text2num(gas["TEMP"])