LINDA Fixes

code/LINDA/LINDA_fire.dm

@@ -63,7 +63,7 @@
 	perform_exposure()
 
 /obj/effect/hotspot/proc/perform_exposure()
-	var/turf/simulated/floor/location = loc
+	var/turf/simulated/location = loc
 	if(!istype(location) || !(location.air))	return 0
 
 	if(volume > CELL_VOLUME*0.95)	bypassing = 1
@@ -82,7 +82,7 @@
 		location.assume_air(affected)
 
 	for(var/atom/item in loc)
-		if(item) // It's possible that the item is deleted in temperature_expose
+		if(item && item != src) // It's possible that the item is deleted in temperature_expose
 			item.fire_act(null, temperature, volume)
 
 	animate(src, color = heat2color(temperature), 5)
@@ -96,7 +96,7 @@
 		just_spawned = 0
 		return 0
 
-	var/turf/simulated/floor/location = loc
+	var/turf/simulated/location = loc
 	if(!istype(location))
 		Kill()
 		return
@@ -108,7 +108,7 @@
 		Kill()
 		return
 
-	if((!(location.air) || location.air.toxins < 0.5 || location.air.oxygen < 0.5))
+	if(!(location.air) || location.air.toxins < 0.5 || location.air.oxygen < 0.5)
 		Kill()
 		return
 

code/LINDA/LINDA_system.dm

@@ -234,7 +234,7 @@ turf/CanPass(atom/movable/mover, turf/target, height=1.5,air_group=0)
 	T.atmos_spawn_air(text, amount)
 
 var/const/SPAWN_HEAT = 1
-
+var/const/SPAWN_20C = 2
 var/const/SPAWN_TOXINS = 4
 var/const/SPAWN_OXYGEN = 8
 var/const/SPAWN_CO2 = 16
@@ -250,6 +250,9 @@ var/const/SPAWN_AIR = 256
 
 	var/datum/gas_mixture/G = new
 
+	if(flag & SPAWN_20C)
+		G.temperature = T20C
+
 	if(flag & SPAWN_HEAT)
 		G.temperature += 1000
 

code/LINDA/LINDA_turf_tile.dm

@@ -138,6 +138,7 @@ turf/simulated/proc/share_temperature_mutual_solid(turf/simulated/sharer, conduc
 
 
 /turf/simulated/proc/process_cell()
+
 	if(archived_cycle < air_master.current_cycle) //archive self if not already done
 		archive()
 	current_cycle = air_master.current_cycle
@@ -319,7 +320,6 @@ atom/movable/proc/experience_pressure_difference(pressure_difference, direction)
 	var/datum/gas/sleeping_agent/S = new
 	A.trace_gases += S
 	for(var/turf/simulated/T in turf_list)
-		if(T == null || !istype(T))	return
 		A.oxygen 		+= T.air.oxygen
 		A.carbon_dioxide+= T.air.carbon_dioxide
 		A.nitrogen 		+= T.air.nitrogen
@@ -352,8 +352,9 @@ atom/movable/proc/experience_pressure_difference(pressure_difference, direction)
 	for(var/turf/simulated/T in turf_list)
 		T.excited = 0
 		T.recently_active = 0
+		T.excited_group = null
 		air_master.active_turfs -= T
-	air_master.excited_groups -= src
+	garbage_collect()
 
 /datum/excited_group/proc/garbage_collect()
 	for(var/turf/simulated/T in turf_list)

code/game/turfs/simulated/floor_types.dm

@@ -51,19 +51,27 @@
 	thermal_conductivity = 0.025
 	heat_capacity = 325000
 
+/turf/simulated/floor/engine/break_tile()
+	return //unbreakable
+
+/turf/simulated/floor/engine/burn_tile()
+	return //unburnable
+
+/turf/simulated/floor/engine/make_plating(var/force = 0)
+	if(force)
+		..()
+	return //unplateable
+
+
 /turf/simulated/floor/engine/attackby(obj/item/weapon/C as obj, mob/user as mob, params)
-	if(!C)
-		return
-	if(!user)
+	if(!C || !user)
 		return
 	if(istype(C, /obj/item/weapon/wrench))
-		user << "\blue Removing rods..."
+		user << "<span class='notice'>You begin removing rods...</span>"
 		playsound(src, 'sound/items/Ratchet.ogg', 80, 1)
 		if(do_after(user, 30))
 			new /obj/item/stack/rods(src, 2)
-			ChangeTurf(/turf/simulated/floor)
-			var/turf/simulated/floor/F = src
-			F.make_plating()
+			ChangeTurf(/turf/simulated/floor/plating)
 			return
 
 /turf/simulated/floor/engine/ex_act(severity,target)
@@ -84,23 +92,22 @@
 	icon_state = "cult"
 
 
-/turf/simulated/floor/engine/n20
-	New()
-		. = ..()
-		var/datum/gas_mixture/adding = new
-		var/datum/gas/sleeping_agent/trace_gas = new
+/turf/simulated/floor/engine/n20/New()
+	..()
+	var/datum/gas_mixture/adding = new
+	var/datum/gas/sleeping_agent/trace_gas = new
 
-		trace_gas.moles = 2000
-		adding.trace_gases += trace_gas
-		adding.temperature = T20C
+	trace_gas.moles = 6000
+	adding.trace_gases += trace_gas
+	adding.temperature = T20C
 
-		assume_air(adding)
+	assume_air(adding)
 
 /turf/simulated/floor/engine/vacuum
 	name = "vacuum floor"
 	icon_state = "engine"
 	oxygen = 0
-	nitrogen = 0.001
+	nitrogen = 0
 	temperature = TCMB
 
 /turf/simulated/floor/plating