grug wallmelting attempt

code/game/machinery/doors/firedoor.dm

@@ -12,8 +12,7 @@
 	opacity = FALSE
 	density = FALSE
 	max_integrity = 300
-	resistance_flags = FIRE_PROOF
-	heat_proof = TRUE
+	var/max_temperature = 1000
 	glass = TRUE
 	explosion_block = 1
 	safe = FALSE

code/game/turfs/simulated/walls.dm

@@ -11,7 +11,7 @@
 	smoothing_flags = SMOOTH_BITMASK
 	smoothing_groups = list(SMOOTH_GROUP_SIMULATED_TURFS, SMOOTH_GROUP_WALLS, SMOOTH_GROUP_REGULAR_WALLS)
 	canSmoothWith = list(SMOOTH_GROUP_WALLS, SMOOTH_GROUP_REGULAR_WALLS, SMOOTH_GROUP_REINFORCED_WALLS)
-
+	var/max_temperature = 1000
 	var/rotting = FALSE
 
 	var/damage = 0

code/modules/atmospherics/environmental/LINDA_fire.dm

@@ -133,9 +133,15 @@
 		//Possible spread due to radiated heat
 		if(location.air.temperature > FIRE_MINIMUM_TEMPERATURE_TO_SPREAD)
 			var/radiated_temperature = location.air.temperature*FIRE_SPREAD_RADIOSITY_SCALE
-			for(var/turf/simulated/T in location.atmos_adjacent_turfs)
-				if(!T.active_hotspot)
-					T.hotspot_expose(radiated_temperature, CELL_VOLUME / 4)
+			for(var/direction in GLOB.cardinal)
+				if(!(location.atmos_adjacent_turfs & direction))
+					var/turf/simulated/wall/W = get_step(src, direction)
+					if(istype(W))
+						W.adjacent_fire_act(W, radiated_temperature)
+					continue
+				var/turf/simulated/T = get_step(src, direction)
+				if(istype(T) && !T.active_hotspot)
+					T.hotspot_expose(radiated_temperature, CELL_VOLUME/4)
 
 	else
 		if(volume > CELL_VOLUME*0.4)
@@ -153,6 +159,11 @@
 			return 0*/
 	return 1
 
+
+/turf/simulated/wall/proc/adjacent_fire_act(turf/simulated/wall, radiated_temperature)
+	if(radiated_temperature > max_temperature)
+		take_damage(rand(10, 20) * (radiated_temperature / max_temperature))
+
 // Garbage collect itself by nulling reference to it
 
 /obj/effect/hotspot/Destroy()