Merge remote-tracking branch 'polaris-upstream/master' into polaris-sync-2018-01-09

# Conflicts:
#	code/game/objects/items/devices/communicator/UI.dm
#	code/game/objects/structures/flora.dm
#

code/ATMOSPHERICS/components/binary_devices/binary_atmos_base.dm

@@ -57,24 +57,20 @@
 	node1 = null
 	node2 = null
 
-/obj/machinery/atmospherics/binary/initialize()
+/obj/machinery/atmospherics/binary/atmos_init()
 	if(node1 && node2)
 		return
 
-	init_dir()
-
 	var/node2_connect = dir
 	var/node1_connect = turn(dir, 180)
 
 	for(var/obj/machinery/atmospherics/target in get_step(src,node1_connect))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node1 = target
 				break
 
 	for(var/obj/machinery/atmospherics/target in get_step(src,node2_connect))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node2 = target

code/ATMOSPHERICS/components/binary_devices/circulator.dm

@@ -101,13 +101,13 @@
 			else if(dir & (EAST|WEST))
 				initialize_directions = EAST|WEST
 
-			initialize()
+			atmos_init()
 			build_network()
 			if (node1)
-				node1.initialize()
+				node1.atmos_init()
 				node1.build_network()
 			if (node2)
-				node2.initialize()
+				node2.atmos_init()
 				node2.build_network()
 		else
 			if(node1)

code/ATMOSPHERICS/components/binary_devices/passive_gate.dm

@@ -166,7 +166,7 @@
 		return
 	src.add_fingerprint(usr)
 	if(!src.allowed(user))
-		user << "<span class='warning'>Access denied.</span>"
+		to_chat(user, "<span class='warning'>Access denied.</span>")
 		return
 	usr.set_machine(src)
 	ui_interact(user)
@@ -240,14 +240,14 @@
 	if (!istype(W, /obj/item/weapon/wrench))
 		return ..()
 	if (unlocked)
-		user << "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>"
+		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>")
 		return 1
 	if(!can_unwrench())
 		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], it too exerted due to internal pressure.</span>")
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \

code/ATMOSPHERICS/components/binary_devices/pipeturbine.dm

@@ -87,7 +87,7 @@
 		if(istype(W, /obj/item/weapon/wrench))
 			anchored = !anchored
 			playsound(src, W.usesound, 50, 1)
-			user << "<span class='notice'>You [anchored ? "secure" : "unsecure"] the bolts holding \the [src] to the floor.</span>"
+			to_chat(user, "<span class='notice'>You [anchored ? "secure" : "unsecure"] the bolts holding \the [src] to the floor.</span>")
 
 			if(anchored)
 				if(dir & (NORTH|SOUTH))
@@ -95,13 +95,13 @@
 				else if(dir & (EAST|WEST))
 					initialize_directions = NORTH|SOUTH
 
-				initialize()
+				atmos_init()
 				build_network()
 				if (node1)
-					node1.initialize()
+					node1.atmos_init()
 					node1.build_network()
 				if (node2)
-					node2.initialize()
+					node2.atmos_init()
 					node2.build_network()
 			else
 				if(node1)
@@ -153,7 +153,7 @@
 
 		return null
 
-	initialize()
+	atmos_init()
 		if(node1 && node2) return
 
 		var/node2_connect = turn(dir, -90)
@@ -260,7 +260,7 @@
 			anchored = !anchored
 			playsound(src, W.usesound, 50, 1)
 			turbine = null
-			user << "<span class='notice'>You [anchored ? "secure" : "unsecure"] the bolts holding \the [src] to the floor.</span>"
+			to_chat(user, "<span class='notice'>You [anchored ? "secure" : "unsecure"] the bolts holding \the [src] to the floor.</span>")
 			updateConnection()
 		else
 			..()

code/ATMOSPHERICS/components/binary_devices/pump.dm

@@ -183,7 +183,7 @@ Thus, the two variables affect pump operation are set in New():
 		return
 	src.add_fingerprint(usr)
 	if(!src.allowed(user))
-		user << "<span class='warning'>Access denied.</span>"
+		to_chat(user, "<span class='warning'>Access denied.</span>")
 		return
 	usr.set_machine(src)
 	ui_interact(user)
@@ -219,14 +219,14 @@ Thus, the two variables affect pump operation are set in New():
 	if (!istype(W, /obj/item/weapon/wrench))
 		return ..()
 	if (!(stat & NOPOWER) && use_power)
-		user << "<span class='warning'>You cannot unwrench this [src], turn it off first.</span>"
+		to_chat(user, "<span class='warning'>You cannot unwrench this [src], turn it off first.</span>")
 		return 1
 	if(!can_unwrench())
 		to_chat(user, "<span class='warning'>You cannot unwrench this [src], it too exerted due to internal pressure.</span>")
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \

code/ATMOSPHERICS/components/omni_devices/_omni_extras.dm

@@ -40,10 +40,10 @@
 /datum/omni_port/proc/connect()
 	if(node)
 		return
-	master.initialize()
+	master.atmos_init()
 	master.build_network()
 	if(node)
-		node.initialize()
+		node.atmos_init()
 		node.build_network()
 
 /datum/omni_port/proc/disconnect()

code/ATMOSPHERICS/components/omni_devices/omni_base.dm

@@ -86,7 +86,7 @@
 		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], it is too exerted due to internal pressure.</span>")
 		add_fingerprint(user)
 		return 1
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	playsound(src, W.usesound, 50, 1)
 	if(do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
@@ -245,14 +245,13 @@
 			qdel(P.network)
 			P.node = null
 
-	..()
+	. = ..()
 
-/obj/machinery/atmospherics/omni/initialize()
+/obj/machinery/atmospherics/omni/atmos_init()
 	for(var/datum/omni_port/P in ports)
 		if(P.node || P.mode == 0)
 			continue
 		for(var/obj/machinery/atmospherics/target in get_step(src, P.dir))
-			target.init_dir()
 			if(target.initialize_directions & get_dir(target,src))
 				if (check_connect_types(target,src))
 					P.node = target

code/ATMOSPHERICS/components/portables_connector.dm

@@ -21,10 +21,6 @@
 /obj/machinery/atmospherics/portables_connector/init_dir()
 	initialize_directions = dir
 
-/obj/machinery/atmospherics/portables_connector/New()
-	init_dir()
-	..()
-
 /obj/machinery/atmospherics/portables_connector/update_icon()
 	icon_state = "connector"
 
@@ -74,16 +70,13 @@
 
 	node = null
 
-/obj/machinery/atmospherics/portables_connector/initialize()
+/obj/machinery/atmospherics/portables_connector/atmos_init()
 	if(node)
 		return
 
-	init_dir()
-
 	var/node_connect = dir
 
 	for(var/obj/machinery/atmospherics/target in get_step(src,node_connect))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node = target
@@ -138,7 +131,7 @@
 	if (!istype(W, /obj/item/weapon/wrench))
 		return ..()
 	if (connected_device)
-		user << "<span class='warning'>You cannot unwrench \the [src], dettach \the [connected_device] first.</span>"
+		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], dettach \the [connected_device] first.</span>")
 		return 1
 	if (locate(/obj/machinery/portable_atmospherics, src.loc))
 		return 1
@@ -147,7 +140,7 @@
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \

code/ATMOSPHERICS/components/trinary_devices/filter.dm

@@ -136,7 +136,7 @@
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \
@@ -151,7 +151,7 @@
 		return
 
 	if(!src.allowed(user))
-		user << "<span class='warning'>Access denied.</span>"
+		to_chat(user, "<span class='warning'>Access denied.</span>")
 		return
 
 	var/dat
@@ -247,9 +247,7 @@ obj/machinery/atmospherics/trinary/atmos_filter/m_filter/init_dir()
 		if(WEST)
 			initialize_directions = WEST|SOUTH|EAST
 
-/obj/machinery/atmospherics/trinary/atmos_filter/m_filter/initialize()
-	set_frequency(frequency)
-
+/obj/machinery/atmospherics/trinary/atmos_filter/m_filter/atmos_init()
 	if(node1 && node2 && node3) return
 
 	var/node1_connect = turn(dir, -180)

code/ATMOSPHERICS/components/trinary_devices/mixer.dm

@@ -111,7 +111,7 @@
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \
@@ -125,7 +125,7 @@
 		return
 	src.add_fingerprint(usr)
 	if(!src.allowed(user))
-		user << "<span class='warning'>Access denied.</span>"
+		to_chat(user, "<span class='warning'>Access denied.</span>")
 		return
 	usr.set_machine(src)
 	var/dat = {"<b>Power: </b><a href='?src=\ref[src];power=1'>[use_power?"On":"Off"]</a><br>
@@ -192,7 +192,7 @@ obj/machinery/atmospherics/trinary/mixer/t_mixer/init_dir()
 		if(WEST)
 			initialize_directions = WEST|NORTH|SOUTH
 
-obj/machinery/atmospherics/trinary/mixer/t_mixer/initialize()
+obj/machinery/atmospherics/trinary/mixer/t_mixer/atmos_init()
 	..()
 	if(node1 && node2 && node3) return
 
@@ -237,7 +237,7 @@ obj/machinery/atmospherics/trinary/mixer/m_mixer/init_dir()
 		if(WEST)
 			initialize_directions = WEST|SOUTH|EAST
 
-obj/machinery/atmospherics/trinary/mixer/m_mixer/initialize()
+obj/machinery/atmospherics/trinary/mixer/m_mixer/atmos_init()
 	..()
 	if(node1 && node2 && node3) return
 

code/ATMOSPHERICS/components/trinary_devices/trinary_base.dm

@@ -15,7 +15,6 @@
 
 /obj/machinery/atmospherics/trinary/New()
 	..()
-	init_dir()
 
 	air1 = new
 	air2 = new
@@ -71,31 +70,26 @@
 	node2 = null
 	node3 = null
 
-/obj/machinery/atmospherics/trinary/initialize()
+/obj/machinery/atmospherics/trinary/atmos_init()
 	if(node1 && node2 && node3)
 		return
 
-	init_dir()
-
 	var/node1_connect = turn(dir, -180)
 	var/node2_connect = turn(dir, -90)
 	var/node3_connect = dir
 
 	for(var/obj/machinery/atmospherics/target in get_step(src,node1_connect))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node1 = target
 				break
 
 	for(var/obj/machinery/atmospherics/target in get_step(src,node2_connect))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node2 = target
 				break
 	for(var/obj/machinery/atmospherics/target in get_step(src,node3_connect))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node3 = target

code/ATMOSPHERICS/components/tvalve.dm

@@ -46,10 +46,6 @@
 /obj/machinery/atmospherics/tvalve/hide(var/i)
 	update_underlays()
 
-/obj/machinery/atmospherics/tvalve/New()
-	init_dir()
-	..()
-
 /obj/machinery/atmospherics/tvalve/init_dir()
 	switch(dir)
 		if(NORTH)
@@ -183,31 +179,26 @@
 
 	return
 
-/obj/machinery/atmospherics/tvalve/initialize()
+/obj/machinery/atmospherics/tvalve/atmos_init()
 	var/node1_dir
 	var/node2_dir
 	var/node3_dir
 
-	init_dir()
-
 	node1_dir = turn(dir, 180)
 	node2_dir = turn(dir, -90)
 	node3_dir = dir
 
 	for(var/obj/machinery/atmospherics/target in get_step(src,node1_dir))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node1 = target
 				break
 	for(var/obj/machinery/atmospherics/target in get_step(src,node2_dir))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node2 = target
 				break
 	for(var/obj/machinery/atmospherics/target in get_step(src,node3_dir))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node3 = target
@@ -308,7 +299,7 @@
 	if(!powered())
 		return
 	if(!src.allowed(user))
-		user << "<span class='warning'>Access denied.</span>"
+		to_chat(user, "<span class='warning'>Access denied.</span>")
 		return
 	..()
 
@@ -350,14 +341,14 @@
 	if (!istype(W, /obj/item/weapon/wrench))
 		return ..()
 	if (istype(src, /obj/machinery/atmospherics/tvalve/digital))
-		user << "<span class='warning'>You cannot unwrench \the [src], it's too complicated.</span>"
+		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], it's too complicated.</span>")
 		return 1
 	if(!can_unwrench())
 		to_chat(user, "<span class='warnng'>You cannot unwrench \the [src], it too exerted due to internal pressure.</span>")
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \
@@ -384,7 +375,7 @@
 		if(WEST)
 			initialize_directions = EAST|WEST|SOUTH
 
-/obj/machinery/atmospherics/tvalve/mirrored/initialize()
+/obj/machinery/atmospherics/tvalve/mirrored/atmos_init()
 	var/node1_dir
 	var/node2_dir
 	var/node3_dir
@@ -446,7 +437,7 @@
 	if(!powered())
 		return
 	if(!src.allowed(user))
-		user << "<span class='warning'>Access denied.</span>"
+		to_chat(user, "<span class='warning'>Access denied.</span>")
 		return
 	..()
 

code/ATMOSPHERICS/components/unary/cold_sink.dm

@@ -23,7 +23,6 @@
 
 /obj/machinery/atmospherics/unary/freezer/New()
 	..()
-	initialize_directions = dir
 	component_parts = list()
 	component_parts += new /obj/item/weapon/stock_parts/matter_bin(src)
 	component_parts += new /obj/item/weapon/stock_parts/capacitor(src)
@@ -32,7 +31,7 @@
 	component_parts += new /obj/item/stack/cable_coil(src, 2)
 	RefreshParts()
 
-/obj/machinery/atmospherics/unary/freezer/initialize()
+/obj/machinery/atmospherics/unary/freezer/atmos_init()
 	if(node)
 		return
 

code/ATMOSPHERICS/components/unary/heat_exchanger.dm

@@ -18,7 +18,7 @@
 
 		return
 
-	initialize()
+	atmos_init()
 		if(!partner)
 			var/partner_connect = turn(dir,180)
 
@@ -70,14 +70,14 @@
 			return ..()
 		var/turf/T = src.loc
 		if (level==1 && isturf(T) && !T.is_plating())
-			user << "<span class='warning'>You must remove the plating first.</span>"
+			to_chat(user, "<span class='warning'>You must remove the plating first.</span>")
 			return 1
 		if (!can_unwrench())
-			user << "<span class='warning'>You cannot unwrench \the [src], it is too exerted due to internal pressure.</span>"
+			to_chat(user, "<span class='warning'>You cannot unwrench \the [src], it is too exerted due to internal pressure.</span>")
 			add_fingerprint(user)
 			return 1
 		playsound(src, W.usesound, 50, 1)
-		user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+		to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 		if (do_after(user, 40 * W.toolspeed))
 			user.visible_message( \
 				"<span class='notice'>\The [user] unfastens \the [src].</span>", \

code/ATMOSPHERICS/components/unary/heat_source.dm

@@ -23,7 +23,6 @@
 
 /obj/machinery/atmospherics/unary/heater/New()
 	..()
-	initialize_directions = dir
 	component_parts = list()
 	component_parts += new /obj/item/weapon/stock_parts/matter_bin(src)
 	component_parts += new /obj/item/weapon/stock_parts/capacitor(src)
@@ -32,7 +31,7 @@
 
 	RefreshParts()
 
-/obj/machinery/atmospherics/unary/heater/initialize()
+/obj/machinery/atmospherics/unary/heater/atmos_init()
 	if(node)
 		return
 

code/ATMOSPHERICS/components/unary/unary_base.dm

@@ -13,7 +13,6 @@
 
 /obj/machinery/atmospherics/unary/New()
 	..()
-	init_dir()
 	air_contents = new
 
 	air_contents.volume = 200
@@ -42,16 +41,13 @@
 
 	node = null
 
-/obj/machinery/atmospherics/unary/initialize()
+/obj/machinery/atmospherics/unary/atmos_init()
 	if(node)
 		return
 
-	init_dir()
-
 	var/node_connect = dir
 
 	for(var/obj/machinery/atmospherics/target in get_step(src,node_connect))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node = target

code/ATMOSPHERICS/components/unary/vent_pump.dm

@@ -357,7 +357,7 @@
 	if(istype(W, /obj/item/weapon/weldingtool))
 		var/obj/item/weapon/weldingtool/WT = W
 		if (WT.remove_fuel(0,user))
-			user << "<span class='notice'>Now welding the vent.</span>"
+			to_chat(user, "<span class='notice'>Now welding the vent.</span>")
 			if(do_after(user, 20 * WT.toolspeed))
 				if(!src || !WT.isOn()) return
 				playsound(src.loc, WT.usesound, 50, 1)
@@ -370,9 +370,9 @@
 					welded = 0
 					update_icon()
 			else
-				user << "<span class='notice'>The welding tool needs to be on to start this task.</span>"
+				to_chat(user, "<span class='notice'>The welding tool needs to be on to start this task.</span>")
 		else
-			user << "<span class='warning'>You need more welding fuel to complete this task.</span>"
+			to_chat(user, "<span class='warning'>You need more welding fuel to complete this task.</span>")
 			return 1
 	else
 		..()
@@ -395,18 +395,18 @@
 	if (!istype(W, /obj/item/weapon/wrench))
 		return ..()
 	if (!(stat & NOPOWER) && use_power)
-		user << "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>"
+		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>")
 		return 1
 	var/turf/T = src.loc
 	if (node && node.level==1 && isturf(T) && !T.is_plating())
-		user << "<span class='warning'>You must remove the plating first.</span>"
+		to_chat(user, "<span class='warning'>You must remove the plating first.</span>")
 		return 1
 	if(!can_unwrench())
 		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], it is too exerted due to internal pressure.</span>")
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \

code/ATMOSPHERICS/components/unary/vent_scrubber.dm

@@ -266,18 +266,18 @@
 	if (!istype(W, /obj/item/weapon/wrench))
 		return ..()
 	if (!(stat & NOPOWER) && use_power)
-		user << "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>"
+		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>")
 		return 1
 	var/turf/T = src.loc
 	if (node && node.level==1 && isturf(T) && !T.is_plating())
-		user << "<span class='warning'>You must remove the plating first.</span>"
+		to_chat(user, "<span class='warning'>You must remove the plating first.</span>")
 		return 1
 	if(!can_unwrench())
 		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], it is too exerted due to internal pressure.</span>")
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \

code/ATMOSPHERICS/components/valve.dm

@@ -140,8 +140,7 @@
 
 	return
 
-/obj/machinery/atmospherics/valve/initialize()
-	init_dir()
+/obj/machinery/atmospherics/valve/atmos_init()
 	normalize_dir()
 
 	var/node1_dir
@@ -155,13 +154,11 @@
 				node2_dir = direction
 
 	for(var/obj/machinery/atmospherics/target in get_step(src,node1_dir))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node1 = target
 				break
 	for(var/obj/machinery/atmospherics/target in get_step(src,node2_dir))
-		target.init_dir()
 		if(target.initialize_directions & get_dir(target,src))
 			if (check_connect_types(target,src))
 				node2 = target
@@ -239,7 +236,7 @@
 	if(!powered())
 		return
 	if(!src.allowed(user))
-		user << "<span class='warning'>Access denied.</span>"
+		to_chat(user, "<span class='warning'>Access denied.</span>")
 		return
 	..()
 
@@ -292,14 +289,14 @@
 	if (!istype(W, /obj/item/weapon/wrench))
 		return ..()
 	if (istype(src, /obj/machinery/atmospherics/valve/digital) && !src.allowed(user))
-		user << "<span class='warning'>Access denied.</span>"
+		to_chat(user, "<span class='warning'>Access denied.</span>")
 		return 1
 	if(!can_unwrench())
 		to_chat(user, "<span class='warning'>You cannot unwrench \the [src], it is too exerted due to internal pressure.</span>")
 		add_fingerprint(user)
 		return 1
 	playsound(src, W.usesound, 50, 1)
-	user << "<span class='notice'>You begin to unfasten \the [src]...</span>"
+	to_chat(user, "<span class='notice'>You begin to unfasten \the [src]...</span>")
 	if (do_after(user, 40 * W.toolspeed))
 		user.visible_message( \
 			"<span class='notice'>\The [user] unfastens \the [src].</span>", \