Merge pull request #11750 from Putnam3145/pluoxium

Makes miasma actually properly incorporate with air instead of using hacky spec heat stuff

code/modules/atmospherics/gasmixtures/gas_types.dm

@@ -179,7 +179,7 @@ GLOBAL_LIST_INIT(nonreactive_gases, typecacheof(list(/datum/gas/oxygen, /datum/g
 
 /datum/gas/miasma
 	id = "miasma"
-	specific_heat = 0.00001
+	specific_heat = 20
 	fusion_power = 50
 	name = "Miasma"
 	gas_overlay = "miasma"

code/modules/mob/living/carbon/life.dm

@@ -377,9 +377,15 @@
 
 	var/turf/open/miasma_turf = deceasedturf
 
-	var/list/cached_gases = miasma_turf.air.gases
+	var/datum/gas_mixture/stank = new
 
-	cached_gases[/datum/gas/miasma] += 0.1
+	stank.gases[/datum/gas/miasma] = 0.1
+
+	stank.temperature = BODYTEMP_NORMAL
+
+	miasma_turf.assume_air(stank)
+
+	miasma_turf.air_update_turf()
 
 /mob/living/carbon/proc/handle_blood()
 	return