Huge optimizations+some fixes

code/modules/atmospherics/environmental/LINDA_system.dm

@@ -58,10 +58,11 @@
 			if (T.atmos_adjacent_turfs)
 				T.atmos_adjacent_turfs -= src
 			UNSETEMPTY(T.atmos_adjacent_turfs)
+			T.set_sleeping(!length(T.atmos_adjacent_turfs))
 		T.__update_auxtools_turf_adjacency_info(isspaceturf(T.get_z_base_turf()), -1)
 	UNSETEMPTY(atmos_adjacent_turfs)
 	src.atmos_adjacent_turfs = atmos_adjacent_turfs
-	set_sleeping(!(canpass || canvpass))
+	set_sleeping(!length(atmos_adjacent_turfs))
 	__update_auxtools_turf_adjacency_info(isspaceturf(get_z_base_turf()))
 
 /turf/proc/set_sleeping(should_sleep)

code/modules/atmospherics/gasmixtures/gas_mixture.dm

@@ -218,6 +218,18 @@ GLOBAL_LIST_INIT(auxtools_atmos_initialized,FALSE)
 	//Performs various reactions such as combustion or fusion (LOL)
 	//Returns: 1 if any reaction took place; 0 otherwise
 
+/datum/gas_mixture/proc/adjust_heat(amt)
+	//Adjusts the thermal energy of the gas mixture, rather than having to do the full calculation.
+	//Returns: null
+
+/datum/gas_mixture/proc/equalize_with(datum/gas_mixture/giver)
+	//Makes this mix have the same temperature and gas ratios as the giver, but with the same pressure, accounting for volume.
+	//Returns: null
+
+/proc/equalize_all_gases_in_list(list/L)
+	//Makes every gas in the given list have the same pressure, temperature and gas proportions.
+	//Returns: null
+
 /datum/gas_mixture/proc/__remove()
 /datum/gas_mixture/remove(amount)
 	var/datum/gas_mixture/removed = new type

code/modules/atmospherics/machinery/atmosmachinery.dm

@@ -39,6 +39,7 @@
 	var/construction_type
 	var/pipe_state //icon_state as a pipe item
 	var/on = FALSE
+	var/interacts_with_air = FALSE
 
 /obj/machinery/atmospherics/examine(mob/user)
 	. = ..()
@@ -57,7 +58,10 @@
 		armor = list("melee" = 25, "bullet" = 10, "laser" = 10, "energy" = 100, "bomb" = 0, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 70)
 	..()
 	if(process)
-		SSair.atmos_machinery += src
+		if(interacts_with_air)
+			SSair.atmos_air_machinery += src
+		else
+			SSair.atmos_machinery += src
 	SetInitDirections()
 
 /obj/machinery/atmospherics/Destroy()
@@ -65,6 +69,7 @@
 		nullifyNode(i)
 
 	SSair.atmos_machinery -= src
+	SSair.atmos_air_machinery -= src
 	SSair.pipenets_needing_rebuilt -= src
 
 	dropContents()

code/modules/atmospherics/machinery/components/binary_devices/dp_vent_pump.dm

@@ -15,6 +15,9 @@
 	desc = "Has a valve and pump attached to it. There are two ports."
 
 	level = 1
+
+	interacts_with_air = TRUE
+
 	var/frequency = 0
 	var/id = null
 	var/datum/radio_frequency/radio_connection

code/modules/atmospherics/machinery/components/unary_devices/outlet_injector.dm

@@ -16,6 +16,7 @@
 	var/datum/radio_frequency/radio_connection
 
 	level = 1
+	interacts_with_air = TRUE
 	layer = GAS_SCRUBBER_LAYER
 
 	pipe_state = "injector"

code/modules/atmospherics/machinery/components/unary_devices/passive_vent.dm

@@ -6,6 +6,7 @@
 	can_unwrench = TRUE
 
 	level = 1
+	interacts_with_air = TRUE
 	layer = GAS_SCRUBBER_LAYER
 
 	pipe_state = "pvent"

code/modules/atmospherics/machinery/components/unary_devices/relief_valve.dm

@@ -5,6 +5,7 @@
 	icon_state = "relief_valve-e-map"
 	can_unwrench = TRUE
 	interaction_flags_machine = INTERACT_MACHINE_OFFLINE | INTERACT_MACHINE_WIRES_IF_OPEN | INTERACT_MACHINE_ALLOW_SILICON | INTERACT_MACHINE_OPEN_SILICON | INTERACT_MACHINE_SET_MACHINE
+	interacts_with_air = TRUE
 	var/opened = FALSE
 	var/open_pressure = ONE_ATMOSPHERE * 3
 	var/close_pressure = ONE_ATMOSPHERE

code/modules/atmospherics/machinery/components/unary_devices/vent_pump.dm

@@ -15,6 +15,8 @@
 	level = 1
 	layer = GAS_SCRUBBER_LAYER
 
+	interacts_with_air = TRUE
+
 	var/id_tag = null
 	var/pump_direction = RELEASING
 

code/modules/atmospherics/machinery/components/unary_devices/vent_scrubber.dm

@@ -13,6 +13,8 @@
 	level = 1
 	layer = GAS_SCRUBBER_LAYER
 
+	interacts_with_air = TRUE
+
 	var/id_tag = null
 	var/scrubbing = SCRUBBING //0 = siphoning, 1 = scrubbing
 

code/modules/atmospherics/machinery/datum_pipeline.dm

@@ -241,26 +241,4 @@
 
 /datum/pipeline/proc/reconcile_air()
 	var/list/datum/gas_mixture/GL = get_all_connected_airs()
-
-	var/total_thermal_energy = 0
-	var/total_heat_capacity = 0
-	var/datum/gas_mixture/total_gas_mixture = new(0)
-
-	for(var/i in GL)
-		var/datum/gas_mixture/G = i
-		total_gas_mixture.set_volume(total_gas_mixture.return_volume() + G.return_volume())
-
-		total_gas_mixture.merge(G)
-
-		total_thermal_energy += G.thermal_energy()
-		total_heat_capacity += G.heat_capacity()
-
-	if(total_heat_capacity)
-		total_gas_mixture.set_temperature(total_thermal_energy/total_heat_capacity)
-
-	if(total_gas_mixture.return_volume() > 0)
-		//Update individual gas_mixtures by volume ratio
-		for(var/i in GL)
-			var/datum/gas_mixture/G = i
-			G.copy_from(total_gas_mixture)
-			G.multiply(G.return_volume()/total_gas_mixture.return_volume())
+	equalize_all_gases_in_list(GL)

code/modules/atmospherics/machinery/other/miner.dm

@@ -12,6 +12,7 @@
 	icon_state = "miner"
 	density = FALSE
 	resistance_flags = INDESTRUCTIBLE|ACID_PROOF|FIRE_PROOF
+	interacts_with_air = TRUE
 	var/spawn_id = null
 	var/spawn_temp = T20C
 	var/spawn_mol = MOLES_CELLSTANDARD * 10

code/modules/atmospherics/machinery/pipes/heat_exchange/he_pipes.dm

@@ -6,6 +6,7 @@
 	buckle_lying = 1
 	var/icon_temperature = T20C //stop small changes in temperature causing icon refresh
 	resistance_flags = LAVA_PROOF | FIRE_PROOF
+	interacts_with_air = TRUE
 
 /obj/machinery/atmospherics/pipe/heat_exchanging/Initialize()
 	. = ..()

code/modules/atmospherics/machinery/portable/portable_atmospherics.dm

@@ -16,7 +16,7 @@
 
 /obj/machinery/portable_atmospherics/New()
 	..()
-	SSair.atmos_machinery += src
+	SSair.atmos_air_machinery += src
 
 	air_contents = new(volume)
 	air_contents.set_temperature(T20C)
@@ -24,7 +24,7 @@
 	return 1
 
 /obj/machinery/portable_atmospherics/Destroy()
-	SSair.atmos_machinery -= src
+	SSair.atmos_air_machinery -= src
 
 	disconnect()
 	qdel(air_contents)

code/modules/power/supermatter/supermatter.dm

@@ -283,7 +283,7 @@ GLOBAL_DATUM(main_supermatter_engine, /obj/machinery/power/supermatter_crystal)
 /obj/machinery/power/supermatter_crystal/Initialize()
 	. = ..()
 	uid = gl_uid++
-	SSair.atmos_machinery += src
+	SSair.atmos_air_machinery += src
 	countdown = new(src)
 	countdown.start()
 	GLOB.poi_list |= src
@@ -302,7 +302,7 @@ GLOBAL_DATUM(main_supermatter_engine, /obj/machinery/power/supermatter_crystal)
 
 /obj/machinery/power/supermatter_crystal/Destroy()
 	investigate_log("has been destroyed.", INVESTIGATE_SUPERMATTER)
-	SSair.atmos_machinery -= src
+	SSair.atmos_air_machinery -= src
 	QDEL_NULL(radio)
 	GLOB.poi_list -= src
 	QDEL_NULL(countdown)

code/modules/shuttle/docking.dm

@@ -205,3 +205,9 @@
 		var/turf/oldT = moved_atoms[moved_object]
 		moved_object.lateShuttleMove(oldT, movement_force, movement_direction)
 
+/obj/docking_port/mobile/proc/reset_air()
+	var/list/turfs = return_ordered_turfs(x, y, z, dir)
+	for(var/i in 1 to length(turfs))
+		var/turf/open/T = turfs[i]
+		if(istype(T))
+			T.air.copy_from_turf(T)