[MIRROR] Buffs plasma and nerfs snow (#924)

* Buffs plasma and nerfs snow

* Update mineral.dm

* Delete mineral.dm.rej

code/game/turfs/simulated/wall/mineral_walls.dm

@@ -111,7 +111,7 @@
 	new girder_type(src)
 	src.ChangeTurf(/turf/open/floor/plasteel)
 	var/turf/open/T = src
-	T.atmos_spawn_air("plasma=400;TEMP=1000")
+	T.atmos_spawn_air("plasma=400;TEMP=[temperature]")
 
 /turf/closed/wall/mineral/plasma/temperature_expose(datum/gas_mixture/air, exposed_temperature, exposed_volume)//Doesn't fucking work because walls don't interact with air :(
 	if(exposed_temperature > 300)
@@ -153,8 +153,11 @@
 	icon = 'icons/turf/walls/snow_wall.dmi'
 	icon_state = "snow"
 	hardness = 80
+	explosion_block = 0
+	slicing_duration = 30
 	sheet_type = /obj/item/stack/sheet/mineral/snow
 	canSmoothWith = null
+	girder_type = null
 
 /turf/closed/wall/mineral/abductor
 	name = "alien wall"